CN117835576B - PCB multi-material number anti-welding pretreatment shunt device and shunt method - Google Patents
PCB multi-material number anti-welding pretreatment shunt device and shunt method Download PDFInfo
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- CN117835576B CN117835576B CN202410066766.3A CN202410066766A CN117835576B CN 117835576 B CN117835576 B CN 117835576B CN 202410066766 A CN202410066766 A CN 202410066766A CN 117835576 B CN117835576 B CN 117835576B
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- 239000000463 material Substances 0.000 title claims abstract description 90
- 238000003466 welding Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 32
- 238000009826 distribution Methods 0.000 claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052802 copper Inorganic materials 0.000 claims abstract description 17
- 239000010949 copper Substances 0.000 claims abstract description 17
- 150000003071 polychlorinated biphenyls Chemical class 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims description 93
- 230000005540 biological transmission Effects 0.000 claims description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 230000001360 synchronised effect Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 10
- 238000007639 printing Methods 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 9
- 229910000679 solder Inorganic materials 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 238000007650 screen-printing Methods 0.000 abstract description 7
- XVIZMMSINIOIQP-UHFFFAOYSA-N 1,2-dichloro-3-(2-chlorophenyl)benzene Chemical compound ClC1=CC=CC(C=2C(=CC=CC=2)Cl)=C1Cl XVIZMMSINIOIQP-UHFFFAOYSA-N 0.000 description 11
- 239000010410 layer Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- 239000007921 spray Substances 0.000 description 7
- DCMURXAZTZQAFB-UHFFFAOYSA-N 1,4-dichloro-2-(2-chlorophenyl)benzene Chemical compound ClC1=CC=C(Cl)C(C=2C(=CC=CC=2)Cl)=C1 DCMURXAZTZQAFB-UHFFFAOYSA-N 0.000 description 4
- YKKYCYQDUUXNLN-UHFFFAOYSA-N 2,4-dichloro-1-(2-chlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC=C1C1=CC=CC=C1Cl YKKYCYQDUUXNLN-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- RSMUVYRMZCOLBH-UHFFFAOYSA-N metsulfuron methyl Chemical compound COC(=O)C1=CC=CC=C1S(=O)(=O)NC(=O)NC1=NC(C)=NC(OC)=N1 RSMUVYRMZCOLBH-UHFFFAOYSA-N 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/26—Cleaning or polishing of the conductive pattern
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G13/00—Roller-ways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
- H05K3/282—Applying non-metallic protective coatings for inhibiting the corrosion of the circuit, e.g. for preserving the solderability
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cleaning In General (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The invention discloses a PCB multi-material number anti-welding pretreatment shunt device and a shunt method, which belong to the technical field of PCB anti-welding; the PCB automatic feeding device comprises a multi-material-number automatic feeding machine, wherein the multi-material-number automatic feeding machine is used for automatically feeding PCBs with various materials; the anti-welding pretreatment horizontal line is arranged at the rear end of the multi-material automatic plate feeding machine and is used for removing oil stains, foreign matters, oxide layers and roughened copper surfaces on the PCB surface; the material number identification and distribution device is arranged at the rear end of the anti-welding pretreatment production line and is used for identifying the type of the PCB and conveying the PCB to the corresponding production line; the automatic silk-screen production line is arranged at the rear end of the material number identification and distribution device; the invention can greatly improve the silk-screen printing efficiency of the PCB with multiple material numbers.
Description
Technical Field
The invention relates to the technical field of PCB (printed circuit board) anti-welding, in particular to a PCB multi-material anti-welding pretreatment shunting device and a shunting method.
Background
A PCB, also called a printed circuit board, is a printed board on a general-purpose substrate to form inter-dot connections and printed elements according to a predetermined design, and is a provider of connection of electronic components, which is mainly found in various electronic devices. With the development of the age, electronic products are integrated into thousands of families, and become the necessity of each family; the electronic industry is also increasingly demanding circuit boards.
In the manufacturing process of the printed circuit board, after the outer layer circuit is completed, the outer layer circuit must be protected from oxidation or welding short circuit. The solder resist green oil is used as a protective layer for printing on the circuit and base material of printed circuit board without soldering, so as to protect the formed circuit pattern for a long time.
Before the solder mask is manufactured, oil stains, foreign matters, oxide layers and roughened copper surfaces of the PCB surface are required to be removed, the surface area is increased, and the binding force between the printing ink and the PCB surface is improved. The existing anti-welding pretreatment horizontal line can treat a PCB board with one material number at a time, and can only supply boards for one automatic silk-screen production line; because the productivity of actual clearance PCB board is far more than the productivity of automatic silk screen printing production line, often need reduce the productivity of automatic silk screen printing production line and avoid the PCB board to pile up, PCB board production efficiency is low.
Based on the above, the invention designs a PCB multi-material number anti-welding pretreatment shunt device and a shunt method, so as to solve the problems.
Disclosure of Invention
The invention aims to provide a PCB multi-material number anti-welding pretreatment shunt device and a shunt method, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a PCB multi-material number welding prevention pretreatment flow dividing device comprises
The multi-material-number automatic plate feeding machine is used for automatically feeding the PCB with various materials;
the anti-welding pretreatment horizontal line is arranged at the rear end of the multi-material automatic plate feeding machine and is used for removing oil stains, foreign matters, oxide layers and roughened copper surfaces on the PCB surface;
the material number identification and distribution device is arranged at the rear end of the anti-welding pretreatment production line and is used for identifying the type of the PCB and conveying the PCB to the corresponding production line;
the automatic silk-screen production line is arranged at the rear end of the material number identification and distribution device;
The roller conveying assembly line penetrates through the multi-material automatic plate feeding machine and the anti-welding pretreatment horizontal line and extends to the rear end of the material number identification and distribution device; the roller conveying assembly line is used for conveying the PCB.
As a further scheme of the invention, the multi-material automatic plate feeding machine comprises a frame, a screw rod lifting device, a supporting plate bearing table, a transverse moving device and a plate placing device;
The screw rod lifting devices are provided with a plurality of groups and are all arranged in the rack, and each screw rod lifting device comprises a motor, a steering gear, a transmission shaft and a lifting screw rod; the motor is in transmission connection with the steering gear, two transmission shafts are arranged and are respectively connected with two ends of the steering gear, and two lifting screw rods are arranged and are respectively connected with the two transmission shafts; the lifting screw rod is in threaded connection with the supporting plate bearing table;
the transverse moving device comprises a guide rail, a sliding block, a servo motor, a synchronous belt and a belt wheel; the guide rail is arranged on the frame, the sliding blocks are arranged on the guide rail, two belt wheels are arranged at two ends of the frame respectively, the two belt wheels are connected with a synchronous belt in a common transmission mode, the synchronous belt is fixed with the sliding blocks, and the belt wheels are connected with the servo motor in a transmission mode;
The plate placing device comprises a transverse moving table, a telescopic cylinder, a connecting disc, a sucker support, a connecting frame and an air nozzle sucker; the transverse moving platform is arranged on the sliding block; one end of the telescopic cylinder is fixed with the transverse moving table, and the other end of the telescopic cylinder is connected with the connecting disc; the connecting frame is arranged below the connecting disc, the sucker support is slidably arranged with the connecting frame, and the air tap sucker is arranged at the bottom of the sucker support.
As a further scheme of the invention, the anti-welding pretreatment horizontal line comprises a cleaning box and a cleaning device; the cleaning device comprises a mounting frame, a brush wheel, a cleaning wheel, a detection plate, a driving cylinder and a driving mechanism; the mounting frame is in sliding connection with the cleaning box in the vertical direction; the brush wheel and the cleaning wheel are two; the two brush wheels and the two cleaning wheels are arranged in a parallelogram, and the brush wheels are positioned at the front sides of the cleaning wheels; the brush wheel and the cleaning wheel are rotatably arranged on the lower part of the roller conveying assembly line; the brush wheel and the cleaning wheel are rotationally connected with the mounting frame above; the detection plate is arranged at the front end of the mounting frame, and the bottom surface of the detection plate is tangent with the bottom end of the brush wheel; the driving cylinder is used for driving the mounting frame to move in the vertical direction; the driving mechanism is used for driving the brush wheel and the cleaning wheel to synchronously rotate.
As a further aspect of the present invention, the driving mechanism includes a first pulley and a second pulley; the four first belt pulleys are fixedly arranged on the rotating shafts of the brush wheel and the cleaning wheel respectively; the upper two first belt pulleys are in transmission connection through a first transmission belt; the second belt pulley is arranged below the side edge of the first belt pulley; the second belt pulley is in transmission connection with the two lower first belt pulleys through a second transmission belt; the second belt pulley is in transmission connection with a driving motor; a first gear is fixedly connected to the rotating shaft of the brush wheel below, a second gear is meshed with the first gear, and a third belt pulley is fixedly connected to the rotating shaft of the second gear; the upper part of the brush wheel is fixedly connected with a fourth belt pulley on the rotating shaft of the brush wheel, and the third belt pulley is in transmission connection with the fourth belt pulley through a third transmission belt.
As a further scheme of the invention, the cleaning wheel consists of a first rotating shaft and a sponge body, and the sponge body is fixedly arranged on the outer side wall of the first rotating shaft.
As a further scheme of the invention, the first rotating shaft is of a hollow structure, a water spraying pipe is sleeved in the first rotating shaft, and the two water spraying pipes are communicated through an expansion joint; the first rotating shaft is provided with a plurality of first water outlets distributed in a circumferential array, and the spray pipe is provided with a second water outlet which can be in butt joint with the first water outlet; the top end of the expansion joint is connected with a water inlet pipe.
As a further aspect of the present invention, the sponge body has a polygonal shape.
A PCB multi-material number anti-welding pretreatment diversion method comprises the following steps:
Step one: the PCB with different types is sequentially conveyed to a roller conveying assembly line by the multi-material automatic board feeding machine;
Step two: the roller conveying assembly line can convey the PCB to a horizontal line of the anti-welding pretreatment for cleaning the board surface;
Step three: the cleaned PCB board can be conveyed into the material number recognition and distribution device for recognition and distribution, and then conveyed to an automatic silk-screen production line for printing.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, through the arrangement of the automatic plate feeding machine with multiple material numbers, the automatic plate feeding machine with multiple material numbers can supply the PCB boards with multiple material numbers for the pre-welding treatment horizontal line, so that the PCB boards with multiple material numbers can be treated simultaneously by the pre-welding treatment horizontal line, and meanwhile, the treated PCB boards can be subjected to split-flow classification, and the silk-screen printing efficiency of the PCB boards with multiple material numbers can be greatly improved.
2. According to the invention, through the arrangement of the cleaning device, when the PCB is conveyed by the roller conveying assembly line and passes through the cleaning box, the brush wheel can brush off a layer of copper on the surface of the PCB so as to achieve the effect of cleaning the surface of the PCB, meanwhile, the copper surface can be roughened, the surface area is increased, the binding force between the printing ink and the surface is improved, after the brush wheel works, the cleaning wheel can immediately clean residual oil stains, copper scraps and the like on the surface of the PCB, the PCB can be cleaned quickly, meanwhile, the brush wheel and the cleaning wheel are arranged into a parallelogram shape, so that the PCB is prevented from slipping during cleaning, the cleaning efficiency of the PCB is greatly improved, and the productivity of the pre-welding treatment horizontal line can be improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a multi-material automatic plate feeding machine according to the present invention;
FIG. 3 is a schematic view of the structure of the screw lifting device of the invention;
FIG. 4 is a schematic view of a traversing device according to the present invention;
FIG. 5 is a schematic view of a plate placing device according to the present invention;
FIG. 6 is a schematic cross-sectional view of a horizontal line structure of the pre-weld treatment of the present invention;
FIG. 7 is a schematic view of a cleaning apparatus according to the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7 at A;
FIG. 9 is a schematic cross-sectional view (front view) of a cleaning apparatus according to the present invention;
FIG. 10 is a schematic cross-sectional view of the structure of the first shaft, sponge, water jet pipe and expansion joint of the present invention;
FIG. 11 is a flow chart of the method of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
The automatic multi-material-number plate feeding machine 1, a frame 11, a screw lifting device 12, a motor 121, a steering gear 122, a transmission shaft 123, a lifting screw 124, a pallet carrying table 13, a traversing device 14, a guide rail 141, a sliding block 142, a servo motor 143, a synchronous belt 144, a belt wheel 145, a plate discharging device 15, a traversing table 151, a telescopic cylinder 152, a connecting disc 153, a suction cup bracket 154, a connecting frame 155, an air nozzle suction cup 156, a pre-welding treatment horizontal line 2, a cleaning box 21, a cleaning device 22, a mounting frame 221, a brush wheel 222, a cleaning wheel 223, a first rotating shaft 2231, a sponge 2232, a spray pipe 2233, a telescopic joint 2234, a water inlet pipe 2235, a detection plate 224, a driving cylinder 225, a driving mechanism 226, a first belt wheel 2261, a second belt wheel 2262, a driving motor 2263, a first gear 2264, a second gear 2265, a third belt wheel 2266, a fourth belt wheel 2267, a material number identification and a shunt device 3, an automatic screen printing production line 4, and a roller conveying line 5.
Detailed Description
Referring to fig. 1-11, the present invention provides a technical solution: a PCB multi-material number welding prevention pretreatment flow dividing device comprises
The PCB automatic feeding machine comprises a multi-material-number automatic feeding machine 1, wherein the multi-material-number automatic feeding machine 1 is used for automatically feeding PCBs with various materials;
the anti-welding pretreatment horizontal line 2 is arranged at the rear end of the multi-material automatic plate feeding machine 1 and is used for removing oil stains, foreign matters, oxide layers and roughened copper surfaces on the PCB surface;
The material number identification and distribution device 3 is arranged at the rear end of the anti-welding pretreatment production line and is used for identifying the type of the PCB and conveying the PCB to the corresponding production line;
The automatic silk-screen production line 4 is arranged at the rear end of the material number identification and distribution device 3;
The roller conveying assembly line 5 penetrates through the multi-material-number automatic plate feeding machine 1 and the anti-welding pretreatment horizontal line 2 and extends to the rear end of the material number identification and distribution device 3; the roller conveying assembly line 5 is used for conveying the PCB.
When the scheme is put into practical use, as shown in fig. 1, the multi-material automatic board feeding machine 1 sequentially picks up the PCBs with different material numbers and places the PCBs on the roller conveying assembly line 5; the roller conveying assembly line 5 can convey the PCB board into the anti-welding pretreatment horizontal line 2, the anti-welding pretreatment horizontal line 2 can remove oil stains, foreign matters, oxide layers and roughened copper surfaces of the PCB board, the surface area is increased, and the binding force between the printing ink and the board is improved; the processed PCB board is conveyed into the material number identification and distribution device 3 by the roller conveying assembly line 5; the image acquisition camera arranged in the material number identification and distribution device 3 can collect material number information of the PCB and transmit the material number information to the image processing module, the processor compares the acquired image data with the PCB engineering data in the material number identification system, after the image data acquired by the image acquisition camera are compared, analyzed and identified, the processor sends pulse signals to the distribution device, and after a controller of the distribution device receives the pulse signals sent by the distribution controller of the image acquisition and distribution device, the PCB is transmitted to a transmission belt of the automatic silk-screen production line 4 through controlling the steering of the balance wheel; as shown in fig. 1, the automatic silk-screen production line 4 in this embodiment is provided with three production lines, which are numbered as a first production line, a second production line and a third production line in sequence from inside to outside; as shown in fig. 2, a first production line is used for processing a material number a PCB 16, a second production line is used for processing a material number B PCB 17, and a third production line is used for processing a material number C PCB 18; according to the invention, through the arrangement of the multi-material automatic board feeding machine 1, the multi-material automatic board feeding machine 1 can supply the PCB boards with a plurality of material numbers for the anti-welding pretreatment horizontal line 2, so that the PCB boards with a plurality of material numbers can be treated simultaneously by the anti-welding pretreatment horizontal line 2, and meanwhile, the treated PCB boards can be subjected to split-flow classification, and the screen printing efficiency of the multi-material PCB boards can be greatly improved.
As a further scheme of the invention, the multi-material automatic plate feeding machine 1 comprises a frame 11, a screw rod lifting device 12, a supporting plate bearing table 13, a traversing device 14 and a plate placing device 15;
The screw rod lifting device 12 is provided with a plurality of groups and is arranged in the frame 11, and the screw rod lifting device 12 comprises a motor 121, a steering gear 122, a transmission shaft 123 and a lifting screw rod 124; the motor 121 is in transmission connection with the steering gear 122, the transmission shafts 123 are provided with two and are respectively connected with two ends of the steering gear 122, and the lifting screw rod 124 is provided with two and is respectively connected with the two transmission shafts 123; the lifting screw rod 124 is in threaded connection with the pallet bearing table 13;
The traversing device 14 comprises a guide rail 141, a sliding block 142, a servo motor 143, a synchronous belt 144 and a belt pulley 145; the guide rail 141 is mounted on the frame 11, the sliding block 142 is mounted on the guide rail 141, two belt pulleys 145 are respectively arranged at two ends of the frame 11, the two belt pulleys 145 are connected with a synchronous belt 144 in a common transmission manner, the synchronous belt 144 is fixed with the sliding block 142, and the belt pulleys 145 are connected with a servo motor 143 in a transmission manner;
The plate placing device 15 comprises a transverse moving platform 151, a telescopic cylinder 152, a connecting disc 153, a sucker bracket 154, a connecting frame 155 and an air nozzle sucker 156; the transverse moving platform 151 is mounted on the sliding block 142; one end of the telescopic cylinder 152 is fixed with the transverse moving platform 151, and the other end is connected with the connecting disc 153; the connecting frame 155 is installed below the connecting disc 153, the sucker support 154 and the connecting frame 155 are installed in a sliding mode, and the air nozzle sucker 156 is installed at the bottom of the sucker support 154.
When the scheme is put into practical use, as shown in fig. 2-5, a worker stacks a material number A PCB 16, a material number B PCB 17 and a material number C PCB 18 on the tops of three pallet bearing tables 13 in sequence; then the transverse moving device 14 drives the plate placing device 15 to move towards the side close to the pallet bearing table 13; as shown in fig. 4, the specific process of the traversing device 14 is as follows, the servo motor 143 drives one of the pulleys 145 to rotate, the two pulleys 145 drive the synchronous belt 144 to move, the synchronous belt 144 drives the slide block 142 to synchronously move, and the slide block 142 drives the plate placing device 15 to move towards the side close to the pallet bearing table 13; after the board placing device 15 moves to the position right above the PCB 16 with the material A, the board placing device 15 sucks the PCB 16 with the material A, and then the traversing device 14 drives the board placing device 15 to move to the side close to the roller conveying assembly line 5, so that the board placing device 15 places the PCB 16 with the material A on the roller conveying assembly line 5; then the traversing device 14 drives the board placing device 15 to circularly move to sequentially pick up the PCB 16 with the material number A, the PCB 17 with the material number B and the PCB 18 with the material number C and place the PCB on the roller conveying assembly line 5; as shown in fig. 5, the specific working process of the board placing device 15 is as follows, after the sliding block 142 drives the transverse moving platform 151 to move right above the material a PCB 16, the telescopic cylinder 152 drives the connecting disc 153 to move downwards, the connecting disc 153 drives the sucker support 154, the connecting frame 155 and the air nozzle sucker 156 to move downwards synchronously, the air nozzle sucker 156 moves to contact with the top surface of the material a PCB 16 and then attracts the material a PCB 16, and then the telescopic cylinder 152 drives the connecting disc 153 to move upwards; after the traversing device 14 drives the traversing table 151 to move to the upper part of the roller conveying assembly line 5, the air nozzle sucker 156 places the PCB 16 with the material A on the roller conveying assembly line 5; the process of picking up the PCB 17 with the material number B and the PCB 18 with the material number C by the board placing device 15 is the same as the process of picking up the PCB 16 with the material number A; as shown in fig. 3, the specific working process of the screw rod lifting device 12 is as follows, after the PCB on the pallet loading table 13 is placed on the roller conveying assembly line 5, the motor 121 drives the transmission shaft 123 to rotate through the steering gear 122, the transmission shaft 123 drives the lifting screw rod 124 to rotate, the lifting screw rod 124 drives the pallet loading table 13 to move upwards, so that the PCB on the pallet loading table 13 is closer to the board placing device 15, and the board placing efficiency of the board placing device 15 can be improved.
As a further scheme of the invention, the anti-welding pretreatment horizontal line 2 comprises a cleaning box 21 and a cleaning device 22; the cleaning device 22 comprises a mounting frame 221, a brush wheel 222, a cleaning wheel 223, a detection plate 224, a driving cylinder 225 and a driving mechanism 226; the mounting rack 221 is slidably connected with the cleaning box 21 in the vertical direction; the brush wheel 222 and the cleaning wheel 223 are two; the two brush wheels 222 and the two cleaning wheels 223 are arranged in a parallelogram, and the brush wheels 222 are positioned at the front side of the cleaning wheels 223; the brush wheel 222 and the cleaning wheel 223 below are rotatably arranged on the roller conveying assembly line 5; the brush wheel 222 and the cleaning wheel 223 are rotatably connected with the mounting frame 221; the detecting plate 224 is installed at the front end of the installation frame 221, and the bottom surface of the detecting plate 224 is tangent to the bottom end of the brush wheel 222; the driving cylinder 225 is used for driving the mounting frame 221 to move in the vertical direction; the driving mechanism 226 is used for driving the brush wheel 222 and the cleaning wheel 223 to synchronously rotate.
When the scheme is put into practical use, as shown in fig. 6, after the roller conveying assembly line 5 conveys the PCB into the cleaning box 21, the roller conveying assembly line 5 will continue to drive the PCB to move backward in the cleaning box 21 until the PCB moves below the detecting plate 224, at this time, the infrared probe arranged on the detecting plate will sense the arrival of the PCB, and then the driving cylinder 225 will drive the mounting rack 221 to move downward through the pressing plate and the spring; the arrangement of the pressing plate and the spring can enable the brush wheel 222 and the cleaning wheel 223 to be better attached to the surface of the PCB; the mounting frame 221 drives the brush wheel 222, the cleaning wheel 223 and the detecting plate 224 to move downwards synchronously until the bottom surface of the detecting plate 24 moves to be attached to the top surface of the PCB; as shown in fig. 9, since the bottom surface of the detection plate 224 is at the same level as the bottom ends of the upper brush wheel 222 and the cleaning wheel 223, when the bottom surface of the detection plate 224 moves to contact the top surface of the PCB, the bottom ends of the brush wheel 222 and the cleaning wheel 223 also just contact the top surface of the PCB, while the top ends of the lower brush wheel 222 and the cleaning wheel 223 are at the same level as the top ends of the rollers on the roller conveying line 5, and the top ends of the lower brush wheel 222 and the cleaning wheel 223 may contact the bottom surface of the PCB; when the PCB moves backwards to be in contact with the brush wheel 222, the brush wheel 222 brushes off a layer of copper on the surface of the PCB so as to achieve the effect of cleaning the surface of the board, and meanwhile, the copper surface can be roughened, the surface area is increased, and the binding force between the printing ink and the board is improved; the upper brush wheel 222 and the lower brush wheel 222 can respectively clean the top and the bottom of the PCB; after the PCB moves backwards to be in contact with the cleaning wheel 223, the cleaning wheel 223 can sweep down residual oil stains and copper scraps on the surface of the PCB, so that the surface of the PCB can be kept in a clean state when the PCB enters a screen printing production line; according to the invention, through the arrangement of the cleaning device 22, when the roller conveying assembly line 5 conveys the PCB to pass through the cleaning box 21, the brush wheel 222 can brush off a layer of copper on the surface of the PCB so as to clean the surface of the PCB, meanwhile, the copper surface can be roughened, the surface area is increased, the binding force between the printing ink and the surface is improved, after the brush wheel 222 works, the cleaning wheel 223 can immediately clean residual oil stains, copper scraps and the like on the surface of the PCB, the PCB can be cleaned quickly, and meanwhile, the brush wheel 222 and the cleaning wheel 223 are arranged in a parallelogram shape, so that the PCB is prevented from skidding during cleaning, the cleaning efficiency of the PCB is greatly improved, and the productivity of the pre-welding treatment horizontal line can be improved.
As a further aspect of the present invention, the driving mechanism 226 includes a first pulley 2261 and a second pulley 2262; the first pulleys 2261 are provided with four, and the four first pulleys 2261 are fixedly installed on the rotation shafts of the brush wheel 222 and the cleaning wheel 223, respectively; the upper two first pulleys 2261 are in transmission connection through a first transmission belt; the second pulley 2262 is disposed below the side of the first pulley 2261; the second pulley 2262 is in transmission connection with the lower two first pulleys 2261 through a second transmission belt; the second belt pulley 2262 is in transmission connection with a driving motor 2263; a first gear 2264 is fixedly connected to the rotation shaft of the brush wheel 222 below, a second gear 2265 is meshed with the first gear 2264, and a third belt pulley 2266 is fixedly connected to the rotation shaft of the second gear 2265; a fourth belt pulley 2267 is fixedly connected to the rotating shaft of the brush wheel 222, and the third belt pulley 2266 and the fourth belt pulley 2267 are in transmission connection through a third transmission belt.
7-8, The driving motor 2263 drives the second belt pulley 2262 to rotate, the second belt pulley 2262 drives the lower two first belt pulleys 2261 to synchronously rotate through the second transmission belt, and the lower two first belt pulleys 2261 respectively drive the lower brush wheel 222 and the cleaning wheel 223 to rotate; the lower brush wheel 222 also drives the first gear 2264 to rotate synchronously, the first gear 2264 drives the second gear 2265 to rotate synchronously and reversely, the second gear 2265 drives the third belt pulley 2266 to rotate synchronously, the third belt pulley 2266 drives the fourth belt pulley 2267 to rotate synchronously through the third transmission belt, the fourth belt pulley 2267 drives the upper brush wheel 222 to rotate, and the upper brush wheel 222 drives the upper cleaning wheel 223 to rotate synchronously through the upper first belt pulley 2261 and the first transmission belt; as shown in fig. 9, the upper brush wheel 222 and the cleaning wheel 223 are rotated counterclockwise, and the lower brush wheel 222 and the cleaning wheel 223 are rotated clockwise; the brush wheel 222 and the cleaning wheel 223 are opposite to the moving direction of the PCB, copper scraps scraped by the brush wheel 222 can fall forward and cannot be accumulated on the surface of the PCB, the working pressure of the subsequent cleaning wheel 223 can be greatly reduced, and a small amount of residual oil stains and copper scraps on the surface of the PCB can be pushed forward when the cleaning wheel 223 rotates, so that the cleaning effect of the cleaning wheel 223 can be greatly improved.
As a further embodiment of the invention, the cleaning wheel 223 is composed of a first shaft 2231 and a sponge 2232, wherein the sponge 2232 is fixedly mounted on the outer side wall of the first shaft 2231.
When the above scheme is put into practical use, as shown in fig. 9, the cleaning wheel 223 is set to be composed of the first rotating shaft 2231 and the sponge 2232, the sponge 2232 and the first rotating shaft 2231 are detachably mounted, replacement of the sponge 2232 can be mounted, meanwhile, cleaning capability of the sponge 2232 on oil stains and other foreign matters is better, and the cleaning wheel 223 can clean the PCB better.
As a further scheme of the present invention, the first rotating shaft 2231 is of a hollow structure, a water spraying pipe 2233 is sleeved inside the first rotating shaft 2231, and the two water spraying pipes 2233 are communicated through an expansion joint 2234; a plurality of first water outlets distributed in a circumferential array are formed on the first rotating shaft 2231, and a second water outlet capable of being in butt joint with the first water outlet is formed on the water spraying pipe 2233; the top end of the expansion joint 2234 is connected with a water inlet pipe 2235.
When the scheme is put into practical use, as shown in fig. 6, the cleaning wheel 223 works and oil stain cleaning liquid can enter the two water spraying pipes 2233 through the water inlet pipe 2235 and the expansion joint 2234; as shown in fig. 10, the second water outlet on the upper spray pipe 2233 is opened at the bottommost part, and the second water outlet on the lower spray pipe 2233 is opened at the topmost part; the cleaning liquid in the upper spray pipe 2233 can only flow out from the bottommost part, and the cleaning liquid in the lower spray pipe 2233 can only flow out from the topmost part, so that the outflow of the cleaning liquid can be better controlled, the sponge 2232 can be soaked in the cleaning liquid only at the contact part with the PCB, the waste of the cleaning liquid can be reduced, and meanwhile, excessive cleaning liquid remained on the PCB can be avoided, so that the PCB can be dried more quickly; when the first rotating shaft 2231 drives the first water outlet to rotate to be in butt joint with the second water outlet, the cleaning liquid in the spray pipe 2233 flows out to the sponge 2232 through the second water outlet and the first water outlet, so that the cleaning capacity of the sponge 2232 can be greatly improved, and the PCB can be cleaned better;
As a further aspect of the present invention, the sponge 2232 has a polygonal shape.
When the scheme is put into practical use, as shown in fig. 10, the sponge 2232 is set to be polygonal, so that the contact area between the sponge 2232 and the PCB surface is larger when the sponge 2232 rotates, and the sponge 2232 can clean the oil stain and other foreign matters on the PCB surface better.
A PCB multi-material number anti-welding pretreatment diversion method comprises the following steps:
Step one: the PCB with different types is sequentially conveyed to the roller conveying assembly line 5 by the multi-material automatic board feeding machine 1;
Step two: the roller conveying assembly line 5 can convey the PCB to the anti-welding pretreatment horizontal line 2 for cleaning the board surface;
step three: the cleaned PCB board is conveyed into the material number recognition and distribution device 3 for recognition and distribution, and then conveyed to an automatic silk-screen production line for printing.
Claims (7)
1. PCB many material numbers prevent welding pretreatment diverging device, its characterized in that: comprising
The PCB automatic feeding device comprises a multi-material-number automatic feeding machine (1), wherein the multi-material-number automatic feeding machine (1) is used for automatically feeding PCBs with various materials;
The anti-welding pretreatment horizontal line (2) is arranged at the rear end of the multi-material automatic plate feeding machine (1) and is used for removing oil stains, foreign matters, oxide layers and roughened copper surfaces on the PCB surface;
The material number identification and distribution device (3), the material number identification and distribution device (3) is arranged at the rear end of the anti-welding pretreatment production line and is used for identifying the type of the PCB and conveying the PCB to the corresponding production line;
the automatic silk-screen production line (4), the automatic silk-screen production line (4) is arranged at the rear end of the material number identification and distribution device (3);
The roller conveying assembly line (5) penetrates through the multi-material automatic plate feeding machine (1) and the anti-welding pretreatment horizontal line (2) and extends to the rear end of the material number identification and distribution device (3); the roller conveying assembly line (5) is used for conveying the PCB;
The multi-material automatic plate feeding machine (1) comprises a frame (11), a screw rod lifting device (12), a supporting plate bearing table (13), a traversing device (14) and a plate placing device (15);
The screw rod lifting devices (12) are provided with a plurality of groups and are all installed inside the frame (11), and the screw rod lifting devices (12) comprise a motor (121), a steering gear (122), a transmission shaft (123) and a lifting screw rod (124); the motor (121) is in transmission connection with the steering gear (122), the transmission shafts (123) are arranged at two ends of the steering gear (122) and are respectively connected with the steering gear, and the lifting screw rods (124) are arranged at two ends and are respectively connected with the two transmission shafts (123); the lifting screw rod (124) is in threaded connection with the supporting plate bearing table (13);
The transverse moving device (14) comprises a guide rail (141), a sliding block (142), a servo motor (143), a synchronous belt (144) and a belt wheel (145); the guide rail (141) is arranged on the frame (11), the sliding blocks (142) are arranged on the guide rail (141), two belt pulleys (145) are respectively arranged at two ends of the frame (11), the two belt pulleys (145) are connected with a synchronous belt (144) in a common transmission mode, the synchronous belt (144) is fixed with the sliding blocks (142), and the belt pulleys (145) are connected with a servo motor (143) in a transmission mode;
The plate placing device (15) comprises a transverse moving table (151), a telescopic cylinder (152), a connecting disc (153), a sucker bracket (154), a connecting frame (155) and an air nozzle sucker (156); the transverse moving platform (151) is arranged on the sliding block (142); one end of the telescopic cylinder (152) is fixed with the transverse moving platform (151), and the other end of the telescopic cylinder is connected with the connecting disc (153); the connecting frame (155) is arranged below the connecting disc (153), the sucker support (154) and the connecting frame (155) are slidably arranged, and the air nozzle sucker (156) is arranged at the bottom of the sucker support (154).
2. The PCB multi-material number pre-solder treatment shunt device according to claim 1, wherein: the anti-welding pretreatment horizontal line (2) comprises a cleaning box (21) and a cleaning device (22); the cleaning device (22) comprises a mounting frame (221), a brush wheel (222), a cleaning wheel (223), a detection plate (224), a driving cylinder (225) and a driving mechanism (226); the mounting frame (221) is in sliding connection with the cleaning box (21) in the vertical direction; the brush wheel (222) and the cleaning wheel (223) are two; the two brush wheels (222) and the two cleaning wheels (223) are arranged in a parallelogram, and the brush wheels (222) are positioned at the front side of the cleaning wheels (223); the brush wheel (222) and the cleaning wheel (223) below are rotatably arranged on the roller conveying assembly line (5); the brush wheel (222) and the cleaning wheel (223) above are rotationally connected with the mounting frame (221); the detection plate (224) is arranged at the front end of the mounting frame (221), and the bottom surface of the detection plate (224) is tangent to the bottom end of the brush wheel (222); the driving cylinder (225) is used for driving the mounting frame (221) to move in the vertical direction; the driving mechanism (226) is used for driving the brush wheel (222) and the cleaning wheel (223) to synchronously rotate.
3. The PCB multi-material number pre-solder treatment shunt device according to claim 2, wherein: the drive mechanism (226) includes a first pulley (2261) and a second pulley (2262); the four first belt pulleys (2261) are arranged, and the four first belt pulleys (2261) are fixedly arranged on the rotating shafts of the brush wheel (222) and the cleaning wheel (223) respectively; the upper two first pulleys (2261) are in transmission connection through a first transmission belt; the second pulley (2262) is arranged below the side edge of the first pulley (2261); the second belt pulley (2262) is in transmission connection with the lower two first belt pulleys (2261) through a second transmission belt; the second belt pulley (2262) is in transmission connection with a driving motor (2263); a first gear (2264) is fixedly connected to the rotating shaft of the brush wheel (222) below, a second gear (2265) is meshed with the first gear (2264), and a third belt pulley (2266) is fixedly connected to the rotating shaft of the second gear (2265); a fourth belt pulley (2267) is fixedly connected to the rotating shaft of the brush wheel (222) above, and the third belt pulley (2266) and the fourth belt pulley (2267) are in transmission connection through a third transmission belt.
4. The PCB multi-material number pre-solder treatment shunt device according to claim 2, wherein: the cleaning wheel (223) consists of a first rotating shaft (2231) and a sponge body (2232), wherein the sponge body (2232) is fixedly arranged on the outer side wall of the first rotating shaft (2231).
5. The PCB multi-material number welding prevention pretreatment shunt device according to claim 4, wherein: the first rotating shaft (2231) is of a hollow structure, a water spraying pipe (2233) is sleeved in the first rotating shaft (2231), and the two water spraying pipes (2233) are communicated through an expansion joint (2234); a plurality of first water outlets distributed in a circumferential array are formed in the first rotating shaft (2231), and a second water outlet which can be in butt joint with the first water outlet is formed in the water spraying pipe (2233); the top end of the expansion joint (2234) is connected with a water inlet pipe (2235).
6. The PCB multi-material number welding prevention pretreatment shunt device according to claim 4, wherein: the sponge body (2232) is polygonal in shape.
7. A method for shunting the solder mask pretreatment of a plurality of PCB materials, which is suitable for the solder mask pretreatment shunting device of the PCB materials according to any one of claims 1 to 6, and is characterized by comprising the following steps:
step one: the PCB with different types is sequentially conveyed to a roller conveying assembly line (5) by the multi-material automatic plate feeding machine (1);
Step two: the roller conveying assembly line (5) can convey the PCB to the anti-welding pretreatment horizontal line (2) for cleaning the board surface;
step three: the cleaned PCB board is conveyed into a material number recognition and distribution device (3) for recognition and distribution, and then conveyed to an automatic silk-screen production line for printing.
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| CN202410066766.3A CN117835576B (en) | 2024-01-17 | 2024-01-17 | PCB multi-material number anti-welding pretreatment shunt device and shunt method |
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| CN117835576B true CN117835576B (en) | 2024-08-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20050103525A (en) * | 2004-04-26 | 2005-10-31 | 나재희 | Pcb sorter |
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| JP3969808B2 (en) * | 1997-10-29 | 2007-09-05 | 富士機械製造株式会社 | Electric component supply method and apparatus, and electric component mounting apparatus |
| US7066660B2 (en) * | 2003-08-29 | 2006-06-27 | Finisar Corporation | Optoelectronic packaging assembly |
| CN108282991B (en) * | 2017-12-30 | 2023-12-26 | 广东埃华路机器人工程有限公司 | Automatic PCB production line |
| CN112916419B (en) * | 2019-12-05 | 2024-08-27 | 鑫得堡科技(深圳)有限公司 | Automatic detection classification stacking assembly line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20050103525A (en) * | 2004-04-26 | 2005-10-31 | 나재희 | Pcb sorter |
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