CN111283289B - Automatic brazing equipment for copper pipe and joint and control method thereof - Google Patents
Automatic brazing equipment for copper pipe and joint and control method thereof Download PDFInfo
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- CN111283289B CN111283289B CN202010151649.9A CN202010151649A CN111283289B CN 111283289 B CN111283289 B CN 111283289B CN 202010151649 A CN202010151649 A CN 202010151649A CN 111283289 B CN111283289 B CN 111283289B
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- copper pipe
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- sleeving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
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Abstract
The invention discloses automatic brazing equipment for a copper pipe and a joint and a control method thereof, wherein the brazing equipment comprises a copper pipe delivery mechanism, a copper pipe positioning mechanism, a joint feeding and sleeving mechanism, a sleeving detection mechanism and a high-frequency brazing machine; the copper pipe material transferring mechanism is used for transferring materials of each station of a copper pipe; the copper pipe positioning mechanism comprises a positioning plate and a pressing device and is used for positioning and pressing a copper pipe; the joint feeding and sleeving mechanism is used for grabbing a joint and sleeving the joint on the end part of the copper pipe; the sleeving detection mechanism is used for detecting the sleeving effect of the sleeving joint operation; the high-frequency brazing machine is arranged on the outer side of the copper pipe positioning mechanism through a brazing machine sliding platform and is positioned at a brazing station. The invention can realize a series of operation flows of automatic material delivery and positioning of the copper pipe, automatic grabbing, sleeving and sleeving defective product detection of the joint, automatic brazing and the like, so as to ensure the welding quality in the automatic brazing process of the copper pipe and the joint, and the operation is convenient.
Description
Technical Field
The invention relates to a welding technology of a copper pipe and a joint thereof, in particular to automatic brazing equipment for the copper pipe and the joint and a control method thereof.
Background
At present, when the copper pipe is externally connected with other tools or workpieces, a joint is generally welded at an interface so as to facilitate connection. The commonly used methods are high frequency induction brazing and flame brazing, which is a relatively clean welding method. The common method is that firstly a brazing ring is sleeved on a connector, then a layer of soldering paste is brushed on the brazing ring of the connector by using a hairbrush, then the connector is sleeved on a copper pipe, and finally the copper pipe is held by hand to complete the brazing operation on a high-frequency induction welding machine. The pure manual processing mode has the advantages of low production rate, relatively high production cost and difficulty in well guaranteeing the welding quality.
The Chinese patent application with the application number of CN201710254965.7 and the name of 'an air conditioner external unit copper pipe brazing workstation' comprises a welding robot, a connecting piece conveying mechanism and an external unit positioning mechanism which are sequentially arranged, an external unit input mechanism and an external unit output mechanism are respectively arranged on two sides of the external unit positioning mechanism, an external unit is put in from the inlet end of the external unit input mechanism and conveyed to the outlet end of the external unit input mechanism, a carrying mechanical arm ascends to carry the external unit and enters a first avoidance groove along a rail to convey the external unit to the upper part of a placing frame, the carrying mechanical arm descends to position the external unit on the placing frame, the connecting piece conveying mechanism conveys the connecting piece to the position of a copper pipe on the external unit, the connecting piece and the copper pipe are brazed through the welding robot, and the copper pipe on one side is brazed after the copper pipe on the other side is brazed and rotated; and after the copper pipes on the two sides are brazed, the outer machine is conveyed to an outer machine output mechanism. This patent application has realized through reasonable arranging that the input and the output of outer machine of air conditioner are smooth, improves degree of automation, raises the efficiency, guarantees welding quality, improves economic benefits. But it is not suitable for the soldering of a single copper pipe (i.e. a copper pipe which is not fixed on other structures such as an air conditioner external unit and the like but exists separately) with a joint.
For the brazing of copper pipes and joints, manufacturers also develop special brazing machines, and the existing brazing machines are generally provided with an automatic assembly line for conveying the copper pipes, and a brazing machine is fixed beside the assembly line. When the copper pipe soldering machine works, the connector sleeved with the brazing ring is sleeved at the end part of the copper pipe running on the production line in a manual mode, then the soldering paste is coated on the connector in a manual mode, and when the copper pipe sleeved with the connector on the production line runs to a heating component of the soldering machine, soldering operation is carried out. However, the existing copper pipe and joint brazing machine has the following defects:
1. the sleeving of the joint on the copper pipe requires manual operation, and the production efficiency is low.
2. When the connector is sleeved on the copper pipe, the copper pipe runs on a production line, the copper pipe needs to be moved together during sleeving, the probability of defective sleeving products is increased, and the production efficiency is reduced.
3. When the copper pipe is sleeved with the joint, the copper pipe is not fixed, and the copper pipe can be shifted in the sleeving process to influence the welding position, so that the brazing effect is influenced.
4. If the fixing device is arranged to fix the copper pipe when the joint is sleeved, the complexity of the mechanism is increased, and the copper pipe is not easy to take and place.
5. The defective products of brazing are usually caused by poor sleeved joints or movement of welding positions, a detection device is not arranged before brazing, the defective products are found after brazing, and the whole copper pipe and the joints are scrapped.
6. Because the copper pipe sleeved with the joint enters the heating part of the brazing machine from one side, the heating part can only be arranged into a C shape or a U shape so as to enable the copper pipe to enter and exit, however, the C-shaped or U-shaped unsealed heating part can cause uneven heating, and the brazing effect is influenced.
In view of the shortcomings of the prior art, the present inventors propose an automatic brazing apparatus for copper pipes and joints, which can be used for automatic brazing of copper pipes and joints.
Disclosure of Invention
The technical problem to be solved by the invention is to provide automatic brazing equipment for copper pipes and joints and a control method thereof, which can realize a series of operation flows of automatic material delivery and positioning of the copper pipes, automatic grabbing, sleeving and sleeving defective product detection of the joints, automatic brazing and the like, so as to ensure the welding quality in the automatic brazing process of the copper pipes and the joints, and have the advantages of convenient operation and less labor consumption.
In order to solve the technical problems, the technical solution of the invention is as follows:
an automatic brazing device for a copper pipe and a joint comprises a copper pipe delivery mechanism, a copper pipe positioning mechanism, a joint feeding and sleeving mechanism, a sleeving detection mechanism and a high-frequency brazing machine; the copper pipe material transferring mechanism is used for transferring materials of each station of a copper pipe; the copper pipe positioning mechanism comprises a positioning plate and a pressing device, wherein a plurality of V-shaped grooves are formed in the upper plane of the positioning plate corresponding to the positions of the stations; the pressing device is positioned above the positioning sleeving station and comprises a pressing V block and a pressing power mechanism capable of driving the pressing V block to move up and down; the joint feeding and sleeving mechanism is used for grabbing a joint and sleeving the joint on the end part of the copper pipe; the sleeving detection mechanism is used for detecting the sleeving effect of the sleeving joint operation, is arranged on the outer side of the positioning plate and is positioned at a detection station behind the positioning sleeving station; the high-frequency brazing machine is arranged on the outer side of the copper pipe positioning mechanism through a brazing machine sliding platform and positioned at a brazing station, and a brazing coil arranged on the high-frequency brazing machine is annular.
Preferably, the copper pipe positioning mechanism further comprises a limiting mechanism, the limiting mechanism comprises a limiting block and a limiting power mechanism capable of driving the limiting block to move, and the limiting mechanism is located on the outer side of the positioning plate and located at the positioning sleeving station.
Preferably, the pressing V block is fixed on the pressing power mechanism through a pressing spring.
Preferably, the joint feeding and sleeving mechanism comprises a joint clamp, a clamp rotating cylinder, a three-axis type moving platform and a joint material bearing disc; the joint clamp is fixed on a clamp rotating cylinder and used for clamping a joint, the clamp rotating cylinder is installed on a three-axis type moving platform, and a joint bearing disc is arranged on one side of the three-axis type moving platform.
Preferably, the joint clamp is a pneumatic finger or a three-jaw air claw.
Preferably, the specific structure of the joint material-bearing disc is as follows: a plurality of positioning pins are orderly arranged on the connector, and the connector is used as a positioning hole to be placed on the positioning pins through a through hole of the connector.
Preferably, the copper tube feeding mechanism is used for conveying copper tubes to the copper tube delivery mechanism.
Preferably, the copper pipe feeding mechanism has the specific structure that: the copper pipe feeding device comprises a copper pipe feeding conveying chain and a copper pipe feeding groove, wherein a plurality of round rods arranged side by side are fixedly arranged on the copper pipe feeding conveying chain; the copper pipe feeding groove is connected with the discharge end of the copper pipe conveying chain and the feeding end of the copper pipe delivery mechanism, the copper pipe feeding groove is arranged obliquely downwards, and the tail end of the copper pipe feeding groove is provided with a baffle which is tilted upwards.
Preferably, the sleeve joint detection mechanism comprises a detection sensor for detecting the sleeve joint effect of the sleeve joint operation.
Preferably, the detection sensor is a position sensor or an infrared photoelectric sensor.
Preferably, the detection sensor is fixed on a sensor telescopic cylinder which is arranged outside the positioning plate.
Preferably, the blanking mechanism comprises a blanking inclined plate, a sleeved defective product frame, a welded finished product frame, a defective product discharging plate and a power mechanism capable of driving the defective product discharging plate to move; the blanking sloping plate is connected with the discharge end of the copper pipe positioning mechanism; the welded finished frame is positioned below the blanking sloping plate, and the position of the welded finished frame enables the copper pipe on the blanking sloping plate to directly drop in the welded finished frame; this flitch under defective products can guide to drop from the copper pipe on the unloading swash plate the cup joint defective products frame after the action.
Preferably, cup joint the defective products frame and be located welding finished product frame rear, be equipped with between the two the defective products flitch down, this defective products flitch down links through the hinge with cup joint the defective products frame, this defective products flitch is connected with flitch telescopic cylinder down, realizes the reciprocating motion of defective products flitch down through flitch telescopic cylinder down.
Preferably, the two positioning plates are arranged vertically and leftwards and rightwards, and the two sets of pressing devices are also arranged and are respectively positioned above the two positioning plates; the joint feeding and sleeving mechanism, the sleeving detection mechanism and the high-frequency soldering machine are arranged on the outer sides of the two positioning plates respectively, one positioning plate and one side of the positioning plate are connected with the joint feeding and sleeving mechanism, the sleeving detection mechanism and the high-frequency soldering machine are arranged on a fixed working platform, the other positioning plate and one side of the positioning plate are connected with the joint feeding and sleeving mechanism, the sleeving detection mechanism and the high-frequency soldering machine are arranged on a moving platform mechanism, and the moving platform mechanism comprises a movable working platform and a single-shaft moving mechanism capable of driving the movable working platform to move.
Preferably, the copper pipe delivery mechanism comprises two delivery plates arranged in parallel and a transmission mechanism capable of driving the delivery plates to rotate, the plane above the delivery plates is always kept horizontal in the rotating process, and a plurality of V-shaped grooves are formed in the delivery plates and correspond to the V-shaped grooves in the positioning plate in position.
Preferably, the specific structure of the transmission mechanism is as follows: the conveying plate comprises two connecting rods, a conveying belt, a driving gear, two driven gears and a motor, wherein the motor is connected with the driving gear, the driving gear is meshed with the conveying belt, the conveying belt is sleeved on the two driven gears, the driven gears are connected with one ends of the connecting rods, the other ends of the connecting rods are connected with the conveying plate, and the driving gear, the driven gears and the motor are fixedly installed on a fixing part on a positioning plate.
The control method of the automatic brazing equipment for the copper pipe and the joint comprises the following steps:
(1) according to the difference of the sizes of the copper pipes to be brazed, the operation width is adjusted by moving the platform mechanism, so that the detection sensor is positioned at a preset position; or further adjusting the extension length of the detection sensor through a sensor telescopic cylinder to adjust the detection position, so that the detection sensor is positioned at a preset position;
(2) sleeving a brazing ring on the joint sleeve, brushing soldering paste on the brazing ring, and then placing the brazing ring on a joint material bearing disc;
(3) placing the copper pipe on a copper pipe feeding conveying chain, and then conveying the copper pipe to a copper pipe feeding groove;
(4) the copper pipe falling from the copper pipe feeding groove falls into the first V-shaped groove on the delivery plate, and the copper pipe delivery mechanism automatically sends the copper pipe to the first V-shaped groove of the positioning plate, so that the copper pipe enters a feeding station.
(5) When the copper pipe is under the drive of passing the flitch, when removing the second V type groove of locating plate, get into location suit station promptly, at this moment begin to fix a position and cup joint the operation, specific process is: the pressing device works, and the pressing V block descends to press and fix the copper pipe together with the V-shaped groove on the positioning plate; the joint clamp clamps the joints from the joint material bearing disc, and then the joint sleeving operation is carried out on two sides or one side;
(6) after the joints are sleeved, the copper pipe sleeved with the joints is driven by the copper pipe delivery mechanism to move to a third V-shaped groove of the positioning plate, namely a detection station, and the sleeving effect is detected through a detection sensor;
(7) if the detection result is unqualified, the detection result is judged to be a defective sleeved joint product, the control mechanism controls the high-frequency brazing machine to be immobile in situ, the defective sleeved joint product enters a discharging station after passing through a brazing station under the driving of the copper pipe delivery mechanism, and the control mechanism controls the defective product blanking plate to act, so that the copper pipe with the defective sleeved joint product enters a defective sleeved joint product frame;
(8) if the detection is qualified, the copper pipe sleeved with the joint is driven by the copper pipe delivery mechanism to move to a brazing station, and the high-frequency brazing machine moves inwards through a sliding platform of the brazing machine, so that a brazing coil moves to a proper position to perform brazing operation;
(9) after the brazing operation is finished, the high-frequency brazing machine returns to the original position; then, the delivery plate drives the welded copper pipe to be conveyed to a discharging station, the defective product discharging plate does not move, and the welding finished product directly falls into the welding finished product frame; thus, the automatic brazing operation of the copper pipe is completed.
After the scheme is adopted, the automatic copper pipe and joint brazing machine has the advantages that through a series of operation processes of automatic copper pipe feeding, copper pipe compression limiting, automatic joint grabbing, automatic joint sleeving, sleeving defective product detection, automatic high-frequency brazing and automatic finished product blanking, automatic copper pipe joint feeding, accurate joint sleeving of interfaces, detection of sleeving defective products and high-frequency induction brazing operation can be achieved in the automatic copper pipe joint brazing process, and therefore the automatic copper pipe and joint brazing machine has the advantages of being high in welding efficiency, stable in welding quality, convenient to operate and low in labor consumption.
More specifically, the invention has the following beneficial effects:
1. the brazing effect is good, and the quality is stable. In the existing manual brazing process, the brazing effect of the copper pipe can show great difference according to different proficiency of workers. According to the invention, the positioning plate or the material delivery plate is provided with the V-shaped hole groove so as to realize accurate centering during the operation of the sleeve joint; a spring pressing structure can be further adopted, so that the pressing force can be adjusted; by adopting the joint detection sensor, the sleeve joint defective product can be effectively detected, and the sleeve joint defective product is subjected to independent blanking processing; the portable high-frequency brazing machine is carried, so that the precise positioning of copper pipe brazing can be ensured, and the brazing quality is improved.
2. The universality is good, and the joint brazing operation of copper pipes with different lengths can be realized. The right working platform can be adjusted left and right through the movable platform mechanism, so that the requirements of brazing joints of copper pipes with different lengths can be met; adopt copper pipe stopper and copper pipe to compress tightly the V piece, can enough realize both sides suit joint simultaneously, also can realize unilateral suit joint.
3. The working efficiency is high. Compared with manual brazing, the brazing mode has high automation degree. Through locating plate and passing the flitch, can realize the operation of multistation, the suit connects the operation and the high frequency operation of brazing can go on simultaneously, therefore has improved the efficiency of brazing greatly.
4. Saves manpower and material resources and improves the working environment of workers. The automatic brazing device for the copper pipe joint is realized, and manpower and material resources required in the brazing process can be greatly reduced. The automatic brazing operation can effectively improve the operation environment of workers and reduce the physical damage and harm caused by long-time manual brazing of the workers to a certain extent.
Therefore, the method can ensure the advantages of good universality, stable brazing quality, high operating efficiency, manpower and material resource saving and the like in the automatic brazing process of the copper pipe joint, thereby having great research value and feasibility.
Drawings
FIG. 1 is a schematic structural view of an automatic brazing apparatus according to the present invention;
FIG. 2 is a schematic view of copper tube loading according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a material delivery plate and a positioning plate according to an embodiment of the present invention;
FIG. 4 is a schematic view of the material delivery plate beginning to deliver the material according to the embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating the material delivery plate of the embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a pressing V block and a limiting L block according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of the compression of a compression V-block according to an embodiment of the invention;
FIG. 8 is a schematic diagram of an L-block limit according to an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a mobile platform according to an embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a joint feeding unit according to an embodiment of the present invention;
FIG. 11 is a schematic view of the structure of the adapter and the adapter tray according to the embodiment of the present invention;
FIG. 12 is a schematic view of a splice gripper according to an embodiment of the present invention;
FIG. 13 is a schematic view of the joint simultaneously sleeved on two sides of the copper pipe according to the embodiment of the present invention;
FIG. 14 is a schematic view of a copper pipe single-side sleeved joint according to an embodiment of the present invention;
FIG. 15 is a schematic view of a joint detection sensor according to an embodiment of the present invention;
FIG. 16 is a schematic view of a joint detection sensor position adjustment according to an embodiment of the present invention;
fig. 17 is a schematic view showing the structure of a high-frequency brazing machine according to an embodiment of the present invention;
FIG. 18 is a schematic view showing a brazing operation of the high-frequency brazing machine according to the embodiment of the invention;
FIG. 19 is a schematic blanking diagram of a welded product according to an embodiment of the present invention;
fig. 20 is a schematic diagram illustrating blanking of a socketed defective product according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
The invention discloses an automatic brazing device for copper pipes and joints, which is shown in figures 1 to 20 and is a preferred embodiment of the brazing device. The automatic brazing equipment comprises a copper pipe feeding mechanism 1, a copper pipe delivery mechanism 2, a copper pipe positioning mechanism 3, a connector feeding and sleeving mechanism 4, a sleeving detection mechanism 5, a high-frequency brazing machine 6, a discharging mechanism 7, a moving platform mechanism 8 and a control mechanism. The key and key point of the invention is that the copper pipe positioning mechanism 3, the joint feeding and sleeving mechanism 4 and the sleeving detection mechanism 5 are arranged in an auxiliary way, or are designed for realizing full automation, but are not necessarily arranged.
Copper pipe feed mechanism 1 be used for passing copper pipe 91 to copper pipe and pass feed mechanism 2, realize the material loading operation of copper pipe, this mechanism is not necessary to set up, also can adopt the manual mode directly to place the copper pipe and pass the pan feeding end (or pan feeding station) of material mechanism 2 to the copper pipe. In this embodiment, as shown in fig. 2, the copper pipe feeding mechanism 1 includes a copper pipe feeding conveyor chain 11 and a copper pipe feeding chute 12, and a plurality of round rods 111 arranged side by side may be fixedly installed on the copper pipe feeding conveyor chain 11, so that the copper pipes 91 are naturally positioned between the two round rods 111, and the copper pipes 91 are automatically sorted and fed one by one. The copper pipe feeding groove 12 is connected with the discharge end of the copper pipe conveying chain 11 and the feeding end of the subsequent copper pipe delivery mechanism 2. The copper tube feeding chute 12 can be inclined downward to facilitate the copper tube sliding downward into the feeding end of the copper tube delivery mechanism 2. Further, an upward-tilted baffle 121 may be disposed at the end of the copper pipe loading chute 12 to prevent the copper pipe 91 from sliding out of a predetermined position.
The copper pipe material transferring mechanism 2 is used for transferring materials of the copper pipes 91 at all stations, so that the copper pipes sequentially enter a feeding station, a positioning sleeving station, a detection station, a brazing station and a discharging station one by one, and material transferring operation of all stations of the copper pipes is achieved. The copper pipe delivery mechanism 2 can also be combined with the copper pipe feeding mechanism 1 into a whole, namely, a conveying chain is adopted for feeding, and the conveying chain is controlled to stay at the position of each station through a control mechanism to realize delivery. In this embodiment, in combination with fig. 3, the copper pipe delivering mechanism 2 includes two delivering plates 21 arranged in parallel and a transmission mechanism 22 capable of driving the delivering plates 21 to rotate, an upper plane of the delivering plates 21 is always kept horizontal in the rotating process, a plurality of V-shaped grooves 211 are formed on the delivering plates, and a distance between each V-shaped groove 211 and a distance between two adjacent stations are the same. The transmission mechanism 22 may adopt various structures to realize the rotation of the material passing plates 21, in this embodiment, the transmission mechanism 22 is provided with two sets of mechanisms for respectively controlling the two material passing plates 21 to rotate, or only one set of transmission mechanism may be provided, and then a linkage mechanism is provided between the two material passing plates 21. The transmission mechanism 22 of this embodiment includes two connecting rods 221, a conveyor belt 222, a driving gear 223, two driven gears 224 and a motor (not shown in the figure), the motor is connected to the driving gear 223, the driving gear 223 is engaged with the conveyor belt 222, the conveyor belt 222 is sleeved on the two driven gears 224, the driven gear 224 is connected to one end of the connecting rod 221, the other end of the connecting rod 221 is connected to the material transfer plate 21, and the driving gear 223, the driven gear 224 and the motor are fixedly mounted on a fixing component, which is fixedly mounted on the positioning plate 31 of the subsequent copper pipe positioning mechanism 3 in this embodiment. During operation, the driving gear 223 is driven by the motor and drives the driven gear 224 to rotate through the conveyor belt 222, and the driven gear 224 drives the connecting rod 221 to rotate so as to drive the material delivering plate 21 to rotate in a reciprocating manner, thereby realizing the material delivering operation in the brazing process. The material passing function needs to be matched with the positioning plates 31 of the subsequent copper tube positioning mechanism 3, the number of the positioning plates 31 can be two, the two positioning plates 31 are respectively positioned beside the two material passing plates 21, the upper plane of the positioning plate 31 is also provided with a plurality of V-shaped grooves 311, and the V-shaped grooves 311 on the positioning plate 31 correspond to the V-shaped grooves 211 on the material passing plates 21. The initial state of the material delivery operation is shown in FIG. 3; the operation state of the material delivery plate 21 is as shown in fig. 4, the material delivery plate 21 is connected with the copper pipe 91 from the copper pipe feeding trough 12; the single material delivery is completed as shown in fig. 5, the copper tube 91 on the copper tube loading slot 12 is moved to the first V-shaped groove 311 on the positioning plate 31, the copper tube at the second V-shaped groove of the positioning plate 31 is moved to the third V-shaped groove … …, and after the single material delivery, the material delivery plate 21 receives the copper tube from the copper tube loading slot 12 again to perform the next material delivery operation. And during each material transferring operation, the copper pipe on the previous station is moved to the next station, and after the material is transferred, all stations can simultaneously operate. When two adjacent stations are too close to each other to be suitable for simultaneous operation, an empty station can be arranged to allow operation time.
The copper tube positioning mechanism 3 is used for positioning and fixing the copper tube 91, and may adopt various structural forms. In this embodiment, as shown in fig. 6, the copper tube positioning mechanism includes a positioning plate 31 and a pressing device, a plurality of V-shaped grooves 311 are disposed on an upper plane of the positioning plate 31, and the V-shaped grooves 311 correspond to the V-shaped grooves 211 on the material delivery plate 21. The positioning plate 31 may be vertically arranged in two left and right directions (shown in the embodiment of the figure), or may be horizontally arranged in one piece. The pressing device comprises a pressing V block 32 and a pressing power mechanism capable of driving the pressing V block 32 to move up and down, and the pressing power mechanism can be a pressing air cylinder 33 or an oil cylinder, a motor transmission mechanism and the like. The pressing device is over against a V-shaped groove 311 of the positioning plate 31, and the position is the positioning and sleeving station. In order to ensure the pressing balance, two sets of pressing devices can be arranged and respectively clamped at the positions, close to the two ends, of the copper pipe 91; for the embodiment provided with two positioning plates 31, two pressing devices are respectively and fixedly installed above the V-shaped grooves 311 at the same position of the two positioning plates 31. For convenience of installation, a gantry bracket 37 is fixed on each of the two positioning plates 31, and the pressing device is fixedly installed on the gantry bracket 37. Further, the pressing V-block 32 may be fixed to the pressing cylinder 33 by a pressing spring 36, so that the pressing V-block 32 has elasticity. The compression spring 36 is used for realizing the adjustment of the compression force of the copper pipe during operation. The copper pipe positioning mechanism 3 further comprises a limiting mechanism, the limiting mechanism comprises a limiting block 34 and a limiting power mechanism capable of driving the limiting block 34 to move up and down, and the limiting power mechanism can be a limiting cylinder 35 or an oil cylinder, a motor transmission mechanism and the like. The limiting mechanism is located on the outer side of the positioning plate 31 and located at a positioning sleeving station. The limiting block 34 is located at one end of the copper pipe 91 when driven by the limiting cylinder 35 (limiting power mechanism), and can push against the copper pipe to prevent the copper pipe from moving to the side, thereby achieving the limiting effect. One set of limiting mechanism may be disposed on each of the two outer sides of the positioning plate 31, or only one set of limiting mechanism may be disposed on one outer side. In this embodiment, the limiting mechanism is provided with a set of limiting mechanisms, and is fixedly installed together with the pressing device, and can be simultaneously and fixedly installed on the gantry bracket 37. The pressing V block 32 is combined with the V-shaped groove 311 on the positioning plate 31, so that the copper pipe 91 can be accurately positioned, and the accurate centering during the joint sleeving process is facilitated. When the joints are sleeved on two sides of the copper pipe at the same time, the copper pipe pressing V blocks 32 on the two sides are pressed down at the same time, and the copper pipe 91 is pressed, as shown in FIG. 7; when carrying out the unilateral and cup jointing, behind both sides closing device compressed tightly the copper pipe, spacing cylinder 35 work, drive stopper 34 downstream to as shown in fig. 8 position, so, when the unilateral cup joints, left stopper 34 just can balance the right side better and connect the external force of appllying when cup jointing, prevents that copper pipe 91 from shifting.
The joint feeding and sleeving mechanism 4 is used for grabbing and sleeving the joint 92, is positioned outside the copper pipe positioning mechanism 3, and can be provided with a sleeving joint feeding and sleeving mechanism 4, so that only one end of a copper pipe is subjected to brazing joint operation, and can also be provided with two sleeving joint feeding and sleeving mechanisms 4, so that the two ends of the copper pipe can be simultaneously subjected to brazing joint operation. The joint feeding and sleeving mechanism 4 can adopt various structural forms, such as a mechanical arm and the like. In this embodiment, referring to fig. 10, the joint feeding and sleeving mechanism 4 includes a joint clamp 41, a clamp rotating cylinder 42, a three-axis moving platform 43, and a joint material tray 44. The joint clamp 41 is fixed on a clamp rotating cylinder 42, the clamp rotating cylinder 42 is installed on a three-axis type moving platform 43, and a joint material bearing disc 44 is arranged on one side of the three-axis type moving platform 43. The splice gripper 41 is used for gripping splices on a splice tray 44 and may be implemented in a variety of configurations, such as a pneumatic finger or a three-jaw air gripper, which are common pneumatic components and whose configuration is not described in detail herein. The clamp rotating cylinder 42 can drive the joint clamp 41 to rotate from the vertical direction to the horizontal direction so as to perform sleeving operation. The three-axis moving platform 43 can move three axes, so as to drive the joint clamp 41 to move between the joint material bearing disc 44 and the positioning and sleeving station. The three-axis mobile platform 43 is a mechanism that is common in the art, and the structure thereof will not be described in detail. The splice holding tray 44 is used for holding the splices 92, and in theory may be only one tray. In order to realize the smooth grabbing and positioning grabbing of the joints, the structure of the joint material receiving tray 44 of the embodiment is shown in fig. 11, a plurality of positioning pins 441 are sequentially arranged on the joint material receiving tray 44, and the joints 92 are sequentially placed on the positioning pins 441 of the joint material receiving tray 44 by using the through holes thereof as positioning holes 921; the joints 92 placed in the joint receiver 44 are usually required to be sleeved with the brazing rings 93 in advance as required, and the outer layer is brushed with the solder paste 94 so as to be clamped by the joint clamps 41 and to perform the subsequent brazing operation. As shown in fig. 12, the splice gripper 41 can grip any splice on the splice tray 44 through the three-axis moving platform 43. After the clamping is successful, the joint 92 is moved to the positioning sleeving station by the three-axis moving platform 43, the clamp rotating cylinder 42 drives the joint clamp 41 to rotate, so that the joint 92 rotates in the sleeving direction, and then the copper pipe 91 which is in the station and is in the compressed state is sleeved and jointed by the three-axis moving platform 43, as shown in fig. 13. As shown in fig. 14, when one-side coupling is required, the copper pipe stopper 34 works to balance the force applied during one-side coupling, so as to prevent the copper pipe from moving leftward and causing poor coupling.
And the sleeve joint detection mechanism 5 is fixedly arranged on the outer side of the copper pipe positioning mechanism 3 after being positioned at the positioning sleeve joint station and is used for detecting the sleeve joint effect of the sleeve joint operation. Specifically, as shown in fig. 15, the telescoping detection mechanism 5 includes a detection sensor 51, and the detection sensor 51 may be directly mounted on the outer side of the positioning plate 31. The detection sensor 51 may be a position sensor, a photoelectric sensor, or the like for detecting whether the joint is properly fitted to the copper pipe. In this embodiment, the detecting sensor 51 is an infrared photoelectric sensor, and the infrared ray position of the detecting sensor is just outside the connector after the copper tube is correctly sleeved. When the connector is correctly sleeved on the copper pipe, an infrared light beam emitted by the infrared photoelectric sensor is not shielded, so that the judgment of good sleeving of the connector is made; when the copper pipe is not sleeved correctly by the joint, for example, the joint is not sleeved in place or the joint sleeve tilts, the position of the joint is longer than expected, and an infrared beam emitted by the infrared photoelectric sensor is irradiated on the joint, so that the judgment that the joint is not sleeved correctly is made. For position adjustment, the detection sensor 51 may be fixed to a sensor telescopic cylinder 52, and the sensor telescopic cylinder 52 is mounted on the positioning plate 31. As shown in fig. 16, when the brazing work is performed on copper pipes 91 having different lengths or the working space is changed by the movement of the stage moving mechanism 8, the detection position can be adjusted in time by the sensor telescopic cylinder 52.
As shown in fig. 17, the high-frequency brazing machine 6 is mounted outside the copper pipe positioning mechanism 3 through a brazing machine sliding platform 62, and is located at a brazing station, and is used for performing brazing operation on the sleeved copper pipe and the joint. The brazing coil 61 of the high-frequency brazing machine 6 is annular. Two high-frequency soldering machines 6 can be respectively arranged at the two outer sides of the copper pipe positioning mechanism 3, or one high-frequency soldering machine 6 can be arranged at one side, and two high-frequency soldering machines are arranged in the embodiment. During operation, after the copper pipe sleeved with the joint 92 is detected by the detection sensor 51, the detection result is informed to the control mechanism; if the copper pipe at the current station is detected to be a socket defective product, the high-frequency brazing machine 6 is not moved in the original position, namely, the copper pipe is not welded, and the socket defective product skips the station; if the sleeve joint is good and the brazing operation is needed, the high-frequency brazing machines 6 on the two sides move inwards through the brazing machine sliding platform 62, so that the brazing coil 61 moves to the position of the joint brazing ring, as shown in fig. 18, and then the high-frequency brazing machines 6 work to perform the brazing operation; after the operation is completed, the high-frequency brazing machine 6 moves to both sides again and returns to the original position.
The blanking mechanism 7 is positioned at the discharge end of the copper pipe positioning mechanism 3 and is used for collecting finished products or defective products. As shown in fig. 19, the blanking mechanism 7 includes a blanking sloping plate 71, a sleeve-connected defective product frame 72, a welded finished product frame 73, a defective product blanking plate 74, and a power mechanism capable of driving the defective product blanking plate 74 to move. The blanking sloping plate 71 is connected with the discharge end of the copper pipe positioning mechanism 3. The welding finished product frame 73 is positioned below the blanking sloping plate 71 and is positioned so that the copper pipe 91 on the blanking sloping plate 71 can directly fall into the welding finished product frame. After the defective blanking plate 74 is moved, the copper pipe 91 on the blanking sloping plate 71 can be guided to fall to the sleeved defective frame 72. The power mechanism can drive the defective blanking plate 74 to move. This power unit can adopt multiple structural style, this embodiment, cup joint defective products frame 72 and be located welding finished product frame 73 rear, be equipped with flitch 74 under the defective products between the two, flitch 74 is linked through the hinge under this defective products with cup joint defective products frame 72, flitch 74 is connected with flitch telescopic cylinder 75 under this defective products, realizes the reciprocating motion of flitch 74 under the defective products through flitch telescopic cylinder 75. After the copper pipe is brazed, the defective blanking plate 74 and the blanking plate telescopic cylinder 75 are in the original position and are not fixed, and the welded finished product directly falls into the welded finished product frame 73. If a defective sleeving product is detected, the high-frequency brazing machine 6 is not sent out, so that the high-frequency brazing machine 6 cannot perform welding operation on the copper pipe; after the defective products are sleeved and the brazing station is passed, the lower material plate telescopic cylinder 75 contracts, so that the positions of the defective product lower material plates 74 are lowered, as shown in fig. 20, after the defective products are sleeved and fall down, the defective product lower material plates 74 are touched, the defective product lower material plates directly roll down to the defective product sleeving frame 72, and therefore subsequent defective products can be recovered conveniently.
In order to adapt to copper pipes with different lengths, the invention is additionally provided with a moving platform mechanism 8. The moving platform mechanism 8 includes a movable working platform 81 and a single-axis moving mechanism 82 for driving the movable working platform 81 to move. The positioning plate 31 on one side of the copper tube positioning mechanism 3, the joint feeding and sleeving mechanism 4 and the high-frequency brazing machine 6 which are matched with the positioning plate 31 on the side are installed on the movable working platform 81, and the pressing device and the limiting mechanism on the positioning plate 31 on the side also move along with the positioning plate on the side at the same time, as shown in fig. 9, 10 and 17. The positioning plate 31 on the other side, the joint feeding and sleeving mechanism 4 on the other side and the high-frequency brazing machine 6 are arranged on a fixed working platform, and the pressing device and the limiting mechanism on the positioning plate 31 on the other side are also fixed. By utilizing the integral movement of the movable working platform 81, the operation width of the copper pipe can be reasonably adjusted aiming at the copper pipes with different lengths, thereby realizing the automatic brazing operation of the copper pipe joints with different lengths. In the invention, the high-frequency brazing machine 6 on the same side as the movable working platform 81 is arranged on the movable working platform 81 together, so that the high-frequency brazing machine 6 can integrally move along with the movable working platform 81, and the high-frequency brazing machine 6 can move on the brazing machine sliding platform 62, the structure can reduce the moving stroke of the brazing machine sliding platform 62, and the machine automation is better realized.
The control mechanism is used for controlling the whole automatic brazing equipment.
The working process of the automatic brazing equipment for the copper pipe and the joint comprises the following steps:
(1) the working width is adjusted by moving the stage mechanism 8 according to the size of the pre-brazed copper pipe 91, as shown in fig. 9, so that the detection sensor 51 is located at a predetermined position; if the moving length of the moving platform mechanism 8 is less than the length of the copper pipe, or the moving platform mechanism 8 is inconvenient to adjust, the extending length of the detection sensor 51 can be further adjusted by the sensor telescopic cylinder 52 to adjust the detection position, so that the detection sensor 51 is located at the predetermined position, as shown in fig. 16.
(2) The joint 91 is manually (or by means of an industrial robot, which is not separately described in the embodiment of the present invention) put on the drill collar 93 and brushed with solder paste 94, and then put on the joint receiver 44 (see fig. 11).
(3) Copper tubes are manually (or by means of an industrial robot, not separately described in the embodiment of the present invention) placed on a copper tube feeding conveyor chain 11 (fig. 2), and then the copper tubes 91 are conveyed to a copper tube feeding chute 12.
(4) The copper tube 91 dropped from the copper tube loading chute 12 drops into the first V-shaped groove 211 on the material delivery plate 21, and is automatically sent to the first V-shaped groove 311 (fig. 3, 4 and 5) of the positioning plate 31 by the copper tube delivery mechanism 2, so that the copper tube 91 enters the loading station.
(5) When the copper tube 91 is driven by the material delivering plate 21 to move to the second V-shaped groove 311 of the positioning plate 31, the copper tube enters the positioning and sleeving station, and then positioning and sleeving operation are performed. The specific process is as follows: when the pressing device works, the pressing V block 32 descends to press and fix the copper pipe 91 together with the V-shaped groove 311 on the positioning plate 31; the splice gripper 41 picks up the splice 92 from the splice tray 44 (fig. 12), and then performs a double-sided or single-sided splicing operation (fig. 13 and 14).
(6) After the joint socket is completed, the copper tube 91 with the joint 92 is driven by the copper tube delivering mechanism 2 to move to the third V-shaped groove 311 (i.e. the detection station) of the positioning plate 31, where the socket effect is detected by the detection sensor 51, as shown in fig. 15 and 16.
(7) If the detection result is not qualified, the socket joint is judged to be a defective product, and the control mechanism controls the high-frequency soldering machine 6 to be fixed in place. Thus, the high-frequency brazing machine 6 does not perform the welding work on the copper pipe. The muff-coupling defective products are driven by the copper pipe passing mechanism 2 to pass through the brazing station and then enter the discharging station, and the control mechanism controls the defective product blanking plate 74 to move, so that the muff-coupling defective product copper pipes enter the muff-coupling defective product frame 72 (fig. 20).
(8) If the detection is qualified, the copper pipe 91 sleeved with the joint 92 is driven by the copper pipe delivery mechanism 2 to move to the brazing station, and the high-frequency brazing machine 6 moves inwards through the brazing machine sliding platform 62, so that the brazing coil 61 moves to a proper position for brazing (fig. 17 and 18).
(9) After the brazing work is completed, the high-frequency brazing machine 6 is returned to the original position. Next, the material delivery plate 21 drives the welded copper pipe 91 to be conveyed forward to the material discharge station, the defective material discharge plate 74 does not move, and the welded product directly falls into the welded product frame 73 (fig. 19). Thus, the automatic brazing operation of the copper pipe is completed.
The above-mentioned embodiments are only preferred embodiments of the present invention, and do not limit the technical scope of the present invention, so that the changes and modifications made by the claims and the specification of the present invention should fall within the scope of the present invention.
Claims (12)
1. The utility model provides an automatic brazing equipment of copper pipe and joint which characterized in that: the device comprises a copper pipe feeding mechanism (1), a copper pipe delivery mechanism (2), a copper pipe positioning mechanism (3), a joint feeding and sleeving mechanism (4), a sleeving detection mechanism (5), a high-frequency soldering machine (6) and a blanking mechanism (7);
the copper pipe feeding mechanism (1) is used for conveying the copper pipe (91) to the copper pipe delivering mechanism (2);
the copper pipe delivery mechanism is used for delivering materials of all stations of a copper pipe (91); the copper pipe material delivering mechanism comprises two material delivering plates (21) which are arranged in parallel and a transmission mechanism (22) which can drive the material delivering plates to rotate, and the upper plane of each material delivering plate is always kept horizontal in the rotating process;
the copper pipe positioning mechanism comprises a positioning plate (31) and a pressing device, wherein a plurality of V-shaped grooves (311) are arranged on the upper plane of the positioning plate (31) corresponding to each station; the material delivering plate (21) is also provided with a plurality of V-shaped grooves (211) corresponding to the V-shaped grooves (311) on the positioning plate (31); the pressing device is positioned above the positioning sleeving station and comprises a pressing V block (32) and a pressing power mechanism capable of driving the pressing V block to move up and down;
the joint feeding and sleeving mechanism is used for grabbing a joint and sleeving the joint on the end part of the copper pipe;
the sleeving detection mechanism is used for detecting the sleeving effect of the sleeving joint operation, is arranged on the outer side of the positioning plate (31) and is positioned at a detection station behind the positioning sleeving station;
the high-frequency brazing machine is arranged on the outer side of the copper pipe positioning mechanism (3) through a brazing machine sliding platform (62), is positioned at a brazing station, and is provided with a brazing coil (61) in an annular shape; the high-frequency brazing machine does not act when the sleeving detection mechanism detects that the steel pipe is in a sleeving defective product;
the blanking mechanism (7) comprises a blanking sloping plate (71), a sleeved defective product frame (72), a welded finished product frame (73), a defective product blanking plate (74) and a power mechanism capable of driving the defective product blanking plate (74) to move; the blanking sloping plate (71) is connected with the discharge end of the copper pipe positioning mechanism (3); the welding finished product frame (73) is positioned below the blanking sloping plate, and the position of the welding finished product frame enables a copper pipe (91) on the blanking sloping plate to directly fall into the welding finished product frame; after the defective blanking plate (74) acts, the copper pipe (91) on the blanking inclined plate can be guided to fall to the sleeved defective frame (72); when the sleeve joint detection mechanism detects that a defective product is sleeved, the defective product blanking plate (74) acts.
2. An apparatus for automated brazing of copper tubing to joints according to claim 1, wherein: the copper pipe positioning mechanism (3) further comprises a limiting mechanism, the limiting mechanism comprises a limiting block (34) and a limiting power mechanism capable of driving the limiting block to move, and the limiting mechanism is located on the outer side of the positioning plate (31) and located at a positioning sleeving station.
3. An apparatus for automated brazing of copper tubing to joints according to claim 1, wherein: the pressing V block (32) is fixed on the pressing power mechanism through a pressing spring (36).
4. An apparatus for automated brazing of copper tubing to joints according to claim 1, wherein: the joint feeding and sleeving mechanism (4) comprises a joint clamp (41), a clamp rotating cylinder (42), a three-axis type moving platform (43) and a joint material bearing disc (44); the joint clamp is fixed on a clamp rotating cylinder and used for clamping a joint, the clamp rotating cylinder is installed on a three-axis type moving platform, and a joint bearing disc is arranged on one side of the three-axis type moving platform.
5. An apparatus for automated brazing of copper tubing to joints according to claim 4, wherein: the joint material-bearing disc (44) has the following specific structure: on which a plurality of positioning pins (441) are sequentially provided, and on which the joint (92) is placed as a positioning hole (921) through its own through hole.
6. An apparatus for automated brazing of copper tubing to joints according to claim 4, wherein: the copper pipe feeding mechanism comprises a copper pipe feeding conveying chain (11) and a copper pipe feeding groove (12), wherein a plurality of round rods (111) arranged side by side are fixedly arranged on the copper pipe feeding conveying chain; the copper pipe feeding groove is connected with the discharge end of the copper pipe conveying chain and the feeding end of the copper pipe delivery mechanism (2), the copper pipe feeding groove is arranged obliquely downwards, and the tail end of the copper pipe feeding groove is provided with a baffle (121) which is tilted upwards.
7. An apparatus for automated brazing of copper tubing to joints according to claim 6, wherein: the sleeve joint detection mechanism (5) comprises a detection sensor (51) for detecting the sleeve joint effect of the sleeve joint operation.
8. An apparatus for automated brazing of copper tubing to joints according to claim 7, wherein: the detection sensor (51) is fixed on a sensor telescopic cylinder (52) which is arranged on the outer side of the positioning plate (31).
9. An apparatus for automated brazing of copper tubing to joints according to claim 1, wherein: cup joint defective products frame (72) be located welding finished product frame (73) rear, be equipped with between the two defective products down flitch (74), this defective products down the flitch with cup joint defective products frame and link through the hinge, this defective products down the flitch be connected with flitch telescopic cylinder (75) down, realize the reciprocating motion of flitch under the defective products through flitch telescopic cylinder down.
10. An apparatus for automated brazing of copper tubing to joints according to claim 1, wherein: the transmission mechanism (22) comprises two connecting rods (221), a conveying belt (222), a driving gear (223), two driven gears (224) and a motor, the motor is connected with the driving gear, the driving gear is meshed with the conveying belt, the conveying belt is sleeved on the two driven gears, the driven gears are connected with one ends of the connecting rods, the other ends of the connecting rods are connected with the material delivery plate, and the driving gear, the driven gears and the motor are fixedly installed on the fixing part on the positioning plate (31).
11. An apparatus for automated brazing of copper tubing to joints according to claim 7, wherein: the two positioning plates (31) are arranged vertically and leftwards and rightwards, and the two sets of pressing devices are also arranged and are respectively positioned above the two positioning plates; joint material loading and suit mechanism (4), cup joint detection mechanism (5) and high frequency soldering machine (6) be in two locating plate (31) outsides respectively set up one set, one of them locating plate (31) and one side joint material loading and suit mechanism (4), cup joint detection mechanism (5) and high frequency soldering machine (6) are installed on a fixed work platform, another locating plate and one of them side joint material loading and suit mechanism (4), cup joint detection mechanism (5) and high frequency soldering machine (6) are installed on a moving platform mechanism (8), this moving platform mechanism includes portable work platform (81) and can drive the unipolar moving mechanism (82) that this portable work platform removed.
12. A method of controlling an apparatus for automatically brazing copper tubing to joints according to claim 11, comprising the steps of:
(1) according to the difference of the sizes of the pre-brazed copper pipes (91), the operation width is adjusted by the movable platform mechanism (8), so that the detection sensor (51) is positioned at a preset position;
(2) sleeving a connector (92) on a drill collar (93), brushing soldering paste (94) on the connector, and then placing the connector on a connector bearing disc (44);
(3) the copper pipe is placed on a copper pipe feeding conveying chain (11), and then the copper pipe is conveyed to a copper pipe feeding groove (12);
(4) the copper pipe falling from the copper pipe feeding groove (12) falls into a first V-shaped groove (211) on the material delivery plate (21), and is automatically sent to a first V-shaped groove (311) of the positioning plate (31) by the copper pipe material delivery mechanism (2), so that the copper pipe enters a feeding station;
(5) when copper pipe (91) under the drive of passing flitch (21), when moving to second V type groove (311) of locating plate (31), get into location suit station promptly, begin to fix a position at this moment and cup joint the operation, the concrete process is: when the pressing device works, the pressing V block (32) descends to press and fix the copper pipe together with the V-shaped groove (311) on the positioning plate; the joint clamp (41) clamps the joint (92) from the joint material bearing disc (44) and then performs the joint jointing operation of two sides or one side;
(6) after the joint is sleeved, the copper pipe (91) sleeved with the joint (92) is driven by the copper pipe delivery mechanism (2) to move to a third V-shaped groove (311) of the positioning plate, namely a detection station, and the sleeving effect is detected through a detection sensor (51);
(7) if the detection result is unqualified, the detection result is judged to be a defective sleeved joint product, the control mechanism controls the high-frequency brazing machine (6) to be immobile in situ, the defective sleeved joint product is driven by the copper pipe delivery mechanism to pass through the brazing station and then enter the discharging station, and the control mechanism controls the defective product blanking plate (74) to move, so that the copper pipe sleeved with the defective joint product enters the defective sleeved joint product frame (72);
(8) if the detection is qualified, the copper pipe (91) sleeved with the joint (92) is driven by the copper pipe delivery mechanism (2) to move to a brazing station, and the high-frequency brazing machine (6) moves inwards through a sliding platform (62) of the brazing machine, so that the brazing coil (61) moves to a proper position to perform brazing operation;
(9) after the brazing operation is finished, the high-frequency brazing machine (6) returns to the original position; then, the delivery plate (21) drives the welded copper pipe (91) to be conveyed to a discharging station, the defective product discharging plate (74) does not move, and the welding finished product directly falls into the welding finished product frame (73); thus, the automatic brazing operation of the copper pipe is completed.
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| CN202010151649.9A CN111283289B (en) | 2020-03-06 | 2020-03-06 | Automatic brazing equipment for copper pipe and joint and control method thereof |
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| CN113618378B (en) * | 2021-09-27 | 2023-08-18 | 湖北宇智自动化设备有限公司 | Automatic ring penetrating machine for brazing pipe in automobile compressor |
| CN114044310A (en) * | 2021-11-25 | 2022-02-15 | 航天晨光股份有限公司 | Automatic circulation device for manufacturing process of metal hose |
| CN115213518B (en) * | 2022-08-18 | 2024-06-07 | 飒羽辰工程科技(上海)有限公司 | Automatic controllable phase change fastening method for accessories in wind power tower |
| CN116373326A (en) * | 2023-03-02 | 2023-07-04 | 昆山伟理塑汽车部件有限公司 | Movable metal clamp and thermal shrinkage sleeve assembling thermal shrinkage device |
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| CN204123033U (en) * | 2014-09-09 | 2015-01-28 | 华中科技大学 | A kind of assembling mechanism for assembling intravenous needle and infusion tube |
| CN205929431U (en) * | 2016-06-06 | 2017-02-08 | 浙江天雁控股有限公司 | Plastic tubing is pipe fitting defeated material mechanism automatically step by step for pipe -expanding machine |
| CN207013913U (en) * | 2017-05-22 | 2018-02-16 | 厦门理工学院 | A kind of air conditioning air outlet automatic welding device |
| CN107717404A (en) * | 2017-09-28 | 2018-02-23 | 芜湖三花制冷配件有限公司 | A kind of small steel pipe automatic press mounting production line of reservoir |
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| CN210046239U (en) * | 2018-09-29 | 2020-02-11 | 厦门理工学院 | Automatic brazing equipment |
| CN209632351U (en) * | 2019-01-16 | 2019-11-15 | 北京奥普科星技术有限公司 | A kind of medium temperature thermal-collecting tube general assembly welding production line |
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| CN111283289A (en) | 2020-06-16 |
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