CN110421240B - Stud welding gun nail cleaning device and system - Google Patents
Stud welding gun nail cleaning device and system Download PDFInfo
- Publication number
- CN110421240B CN110421240B CN201910818442.XA CN201910818442A CN110421240B CN 110421240 B CN110421240 B CN 110421240B CN 201910818442 A CN201910818442 A CN 201910818442A CN 110421240 B CN110421240 B CN 110421240B
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- stud
- residual
- welding gun
- nail
- stud welding
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- 238000003466 welding Methods 0.000 title claims abstract description 99
- 238000004140 cleaning Methods 0.000 title claims abstract description 81
- 239000002184 metal Substances 0.000 claims description 28
- 238000001514 detection method Methods 0.000 claims description 20
- 230000000007 visual effect Effects 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000011179 visual inspection Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/20—Stud welding
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
- B23K9/328—Cleaning of weld torches, i.e. removing weld-spatter; Preventing weld-spatter, e.g. applying anti-adhesives
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Arc Welding In General (AREA)
Abstract
The application provides a clear nail device of double-screw bolt welder and system, the device includes: the nail cleaning piece is used for removing the residual stud, and the edge of the nail cleaning piece is provided with a groove. Under the condition that a residual stud exists at the tail end of the stud welding gun, the residual stud at the tail end of the stud welding gun is moved to the groove by using the robot, so that the connecting section of the residual stud is clamped in the groove, the disc of the residual stud is positioned at the outer side of the groove, and the stud welding gun is moved to a direction away from the nail cleaning sheet by using the robot. In addition, the stud welding gun is pulled by a robot, so that the stud welding gun is gradually separated from the residual stud at the tail end until the residual stud falls off, and the nail cleaning operation is completed. Compared with the prior art, the system provided by the application can automatically execute nail cleaning operation, and improves the working efficiency of stud welding equipment.
Description
Technical Field
The application relates to the technical field of automation, in particular to a stud welding gun nail cleaning device and a system.
Background
The stud welding gun is electrically connected with a stud welding power supply to form stud welding equipment, and the stud welding equipment is used for welding a metal stud or other fasteners on the surface of a workpiece. The stud welding gun is used for storing and releasing the metal stud. In practical application, the stud welding gun is held by hand, the stud welding gun is positioned at a position close to a workpiece to be welded, an electric arc is ignited between the workpiece to be welded and the metal stud, when the metal stud and the part to be welded of the workpiece to be welded are heated to a proper temperature, the part to be welded forms a welding pool, the metal stud is sent into the welding pool under the action of external force, and a welding joint is formed after the metal stud is cooled.
In order to improve the working efficiency of the stud welding gun device, a robot is used to operate the stud welding gun, so that the welding operation can be continuously performed. However, under the abnormal conditions of poor to-be-welded environment or unqualified quality of the metal stud, the metal stud cannot be welded on the surface of the to-be-welded workpiece smoothly, so that welding failure is caused. In this case, the metal stud may remain on the stud gun, thereby affecting the next welding operation of the stud gun. At this time, manual intervention is usually required, the welding operation of the stud welding equipment is paused, and the equipment is started after the residual metal stud is removed. However, manual untimely intervention makes the stud welding device unable to work continuously, reduces the degree of automation of the stud welding device, and thus reduces the working efficiency of the device.
Disclosure of Invention
The application provides a stud gun nail cleaning device and system to solve current manual intervention and clear away remaining metal double-screw bolt, lead to the problem that stud welding equipment work efficiency is low.
According to a first aspect of the application, a stud cleaning device for a stud welding gun is provided, the device is used for cleaning a residual stud at the tail end of the stud welding gun, the residual stud is approximately dumbbell-shaped, the residual stud comprises a connecting section at the middle part, and an upper protruding part and a lower protruding part which are arranged at two ends of the connecting section, the upper protruding part and the lower protruding part are all cylindrical, the upper protruding part is embedded at the tail end of the stud welding gun, a disc is arranged at the joint of the lower protruding part and the connecting section, and the diameter of the disc is larger than that of the lower protruding part; the device comprises: the nail cleaning sheet is used for removing the residual stud, wherein,
the plane that clear nail piece is located is perpendicular to the stand, clear nail piece include with stand contact's fixed part and be in unsettled state pull out the portion, pull out the thickness of portion be less than the height of the linkage segment of remaining spiral shell post, the recess has been seted up at the edge of pull out the portion, the opening width of recess is greater than the diameter of linkage segment, just the opening width of recess is less than the diameter of disc for the linkage segment can block the inside of recess, the recess is used for keeping away from in the stud welder to the orientation that clear nail piece removed under the circumstances, pull out the card the inside remaining double-screw bolt of recess.
Optionally, the opening width of the groove is gradually reduced in a direction perpendicular to the direction in which the nail cleaning sheet extends to the bottom of the upright post.
Optionally, the groove comprises an arc groove bottom, a matching section smoothly connected with the arc groove bottom and an opening section positioned at the opening end of the groove;
in the direction that the opening of the groove extends outwards, the opening width of the matching section keeps consistent, and the opening width of the opening section gradually increases.
Optionally, a guide chute is arranged below the nail cleaning sheet, the guide chute inclines towards the bottom direction of the upright post, and the guide chute is used for receiving residual studs pulled out from the tail end of the stud welding gun by the nail cleaning sheet.
Optionally, a waste box is arranged at the tail end of the guide chute and is used for receiving and storing the residual stud.
In a second aspect of the present application, there is provided a stud gun nail cleaning system comprising a visual inspection device, a residual inspection device, a nail cleaning device and a robot for controlling movement of a stud gun, disposed on a side of a workpiece to be welded, wherein,
the visual detection device is used for detecting whether the metal stud is welded to a position to be welded of a workpiece to be welded, and the robot moves the stud welding gun to the position where the residual detection device is located under the condition that the metal stud is not welded to the position to be welded;
the residual detection device is used for detecting whether a residual stud exists at the tail end of the stud welding gun, and the robot moves the stud welding gun to the position where the nail cleaning device is located under the condition that the residual stud exists at the tail end of the stud welding gun;
the nail cleaning device comprises a device provided in any one of possible implementation manners of the first aspect, and the nail cleaning device is used for cleaning residual studs at the tail end of the stud welding gun.
Optionally, the outer sides of the nail cleaning sheets of the nail cleaning device are provided with fixing rods opposite to each other along the vertical direction, and the residual detection device is arranged on the inner sides of the fixing rods.
Optionally, the residual detection device is a photoelectric sensor.
Optionally, the below of dead lever is provided with and is used for the bearing the connecting plate of dead lever, the connecting plate is fixed to be set up in one side of stand, the connecting plate with stand mutually perpendicular.
According to the technical scheme, the application provides a stud welding gun nail cleaning device and a stud welding gun nail cleaning system, wherein the device comprises: the nail cleaning piece is used for removing the residual stud, and the edge of the nail cleaning piece is provided with a groove. Under the condition that a residual stud exists at the tail end of the stud welding gun, the residual stud at the tail end of the stud welding gun is moved to the groove by using the robot, so that the connecting section of the residual stud is clamped in the groove, the disc of the residual stud is positioned at the outer side of the groove, and the stud welding gun is moved to a direction away from the nail cleaning sheet by using the robot. In addition, the stud welding gun is pulled by a robot, so that the stud welding gun is gradually separated from the residual stud at the tail end until the residual stud falls off, and the nail cleaning operation is completed. Compared with the existing manual intervention operation for executing the nail cleaning operation, the system provided by the application can automatically execute the nail cleaning operation, shortens the nail cleaning time and accordingly improves the working efficiency of stud welding equipment.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a stud gun nail cleaning system according to an embodiment of the present application;
FIG. 2 is a schematic structural view of a metal stud;
fig. 3 is a schematic structural diagram of a stud gun nail cleaning device according to an embodiment of the present application;
fig. 4 is a schematic top view of a nail cleaning sheet in the stud gun nail cleaning device according to the embodiment of the present application;
fig. 5 is a schematic diagram of a working state of a residual stud and a groove at the end of a stud welding gun according to an embodiment of the present application.
Illustration of: 1-stand columns; 2-nail cleaning sheets; 3-a guide groove; 4-a waste bin; 21-a fixing part; 22-plucking part; 23-fixing rod; 24-connecting plates; 221-grooves; 2211-arc groove bottom; 2212-mating segment; 2213—an open section; 10-visual inspection device; 20-a residual detection device; 30-nail cleaning device.
Detailed Description
The present application is described in detail below.
In the present application, words such as "upper" and "lower" indicating directions are description based on the structural diagram shown in fig. 5 or based on the normal use state of the nail cleaning device, and the words indicating directions are only for simplifying the description, and therefore should not be construed as limiting the present application.
The stud welding gun is used for welding a metal stud on the surface of a workpiece to be welded, and normally, the metal stud falls off from the tail end of the stud welding gun when the welding process is finished and is welded on the surface of the workpiece to be welded. However, under the condition that welding fails, the metal stud may not fall off from the tail end of the stud welding gun, and the application provides a stud welding gun nail cleaning system, which is used for judging whether the tail end of the stud welding gun has residual metal stud, if so, the system is used for cleaning the residual metal stud, so that the stud welding gun can carry the next metal stud, and the welding operation is continuously performed.
In the description of the present application, the remaining metal studs are described in simplified form as remaining studs, and the simplified description should not be taken as limiting the present application.
Referring to the schematic structural diagram shown in fig. 1, the present application provides a stud gun nail cleaning system, which comprises a visual detection device 10, a residual detection device 20, a nail cleaning device 30 and a robot for controlling the movement of a stud gun, wherein the visual detection device 10 is used for detecting whether a metal stud is welded to a position to be welded of a workpiece to be welded, and the robot moves the stud gun to the position of the residual detection device 20 when the metal stud is not welded to the position to be welded; the residual detecting device 20 is configured to detect whether a residual stud exists at the end of the stud gun, and in the case that a residual stud exists at the end of the stud gun, the robot moves the stud gun to a position where the nail cleaning device 30 is located; the nail cleaning device 30 is used for cleaning residual studs at the tail end of the stud welding gun.
In one implementation, the visual inspection apparatus 10 includes a camera device and a processor, where the camera device photographs the workpiece to be welded at a preset time interval, and obtains photos corresponding to the workpiece to be welded before and after each welding, and the processor determines whether the metal stud is normally welded to the position to be welded by comparing the photos of the workpiece to be welded before and after the welding.
In the case where the metal stud is not welded to the position to be welded, since the metal stud may fall off during the welding process, it is not yet possible to determine whether or not there is a residual stud at the end of the stud gun, and it is necessary to provide the residual detection device 20 in the system, and determine whether or not there is a residual stud by using the residual detection device 20. In one implementation, the residual detection device 20 is a photosensor. And (3) moving the position where the residual stud possibly exists to the position where the photoelectric sensor is positioned by using the robot to carry the stud welding gun, and judging whether the residual stud exists at the tail end of the stud welding gun according to the output signal of the photoelectric sensor.
Referring to the structural schematic diagram shown in fig. 2, the residual stud is approximately dumbbell-shaped, the residual stud comprises a connecting section at the middle part, and an upper protruding part and a lower protruding part at two ends of the connecting section, the upper protruding part and the lower protruding part are all cylindrical, the upper protruding part is embedded in the tail end of the stud welding gun, a disc is arranged at the joint of the lower protruding part and the connecting section, and the diameter of the disc is larger than that of the lower protruding part.
Referring to the schematic structural drawings shown in fig. 3 and 4, the nail cleaning device 30 includes: the nail removing device comprises a stand column 1 and a nail removing sheet 2 arranged at the top end of the stand column 1, wherein the nail removing sheet 2 is used for removing residual studs, a plane where the nail removing sheet 2 is vertical to the stand column 1, the nail removing sheet 2 comprises a fixing portion 21 which is in contact with the stand column 1 and a removing portion 22 which is in a hanging state, the thickness of the removing portion 22 is smaller than the height of a connecting section of the residual studs, a groove 221 is formed in the edge of the removing portion 22, the opening width of the groove 221 is larger than the diameter of the connecting section, the opening width of the groove 221 is smaller than the diameter of the disc, the connecting section can be clamped in the groove 221, and the groove 221 is used for removing the residual studs clamped in the groove 221 under the condition that a stud welding gun moves in the direction away from the nail removing sheet 2.
In the process of carrying out nail cleaning operation by utilizing the system, the stud welding gun is always carried and controlled by a robot, specifically, the robot can be connected with the stud welding gun in a flange connection or mechanical arm clamping mode, and the robot can be a six-axis robot and can operate in multiple dimensions so as to adjust the position and state of the stud welding gun.
Referring to the structural schematic diagram shown in fig. 5, in the case that a residual stud exists at the tail end of the stud welding gun, the robot adjusts the stud welding gun to be in a vertical state, moves the stud welding gun, so that a connecting section of the residual stud is clamped inside the groove 221, then carries the stud welding gun to move in a direction away from the nail cleaning sheet 2, and a disc is located below the groove 221, and is always close to the bottom surface of the nail cleaning sheet 2 in the process of continuously moving upwards of the stud welding gun until the disc is closely attached to the bottom surface of the nail cleaning sheet 2, and the diameter of the disc is larger than the opening width of the groove 221, so that the disc can limit the residual stud to continuously move upwards. In addition, the stud welding gun is pulled by the robot, so that the stud welding gun is gradually separated from the residual stud at the tail end until the residual stud falls off, namely the nail cleaning operation is completed, and the robot can carry the stud welding gun to continue the next welding operation.
Referring to the schematic structural diagram shown in fig. 5, because the end of the stud gun has a chamfer, in order to enable the end of the stud gun to be embedded in the groove 221, the groove 221 provided in the present application gradually reduces the opening width in the direction perpendicular to the direction in which the nail cleaning sheet 2 extends toward the bottom of the upright 1.
Referring to the schematic top view of the nail plate shown in fig. 4, the groove 221 includes an arc groove bottom 2211, a mating section 2212 smoothly connected with the arc groove bottom 2211, and an opening section 2213 located at the opening end of the groove 221; the opening width of the engaging section 2212 is kept uniform in the direction in which the opening of the groove 221 extends outward, and the opening width of the opening section 2213 is gradually increased. The opening section 2213 can guide the residual stud to enter, so that the connecting section of the residual stud is smoothly clamped inside the matching section 2212.
In this application, the upper protruding portion of the residual stud is smaller than the opening width of the groove 221, so that the residual stud can be smoothly separated from the nail cleaning sheet 2 after being separated from the tail end of the stud welding gun. In order to gather the residual double-screw bolt that drops to be convenient for unify the processing, this application is in the below of clear nail piece 2 is provided with baffle box 3, baffle box 3 to the bottom direction slope of stand 1, baffle box 3 is used for accepting clear nail piece 2 is from the residual double-screw bolt that stud welding gun terminal pulled out.
Optionally, a waste box 4 is arranged at the tail end of the guide chute 3, and the waste box 4 is used for receiving and storing the residual stud.
In the system provided in the present application, the residual detecting device 20 is disposed outside the nail cleaning device 30, and may be disposed separately from the nail cleaning device 30 or may be integrally disposed.
Alternatively, fixing rods 23 are disposed opposite to each other in the vertical direction, and the residual detecting device 20 is disposed inside the fixing rods 23. If the residual detecting device 20 is separated from the nail removing device 30, the fixing rod 23 is vertically arranged at the outer side of the nail removing device 30; if the residue detecting device 20 and the nail cleaning device 30 are integrally arranged, a connecting plate 24 for supporting the fixing rod 23 is arranged below the fixing rod 23, the connecting plate 24 is fixedly arranged on one side of the upright 1, and the connecting plate 24 and the upright 1 are mutually perpendicular.
According to the technical scheme, the application provides a stud welding gun nail cleaning device and a stud welding gun nail cleaning system, wherein the device comprises: the nail cleaning device comprises a stand column 1 and a nail cleaning sheet 2 arranged at the top end of the stand column 1, wherein the nail cleaning sheet 2 is used for removing the residual stud, and a groove 221 is formed in the edge of the nail cleaning sheet 2. Under the condition that a residual stud exists at the tail end of the stud welding gun, the residual stud at the tail end of the stud welding gun is moved to the groove 221 by using a robot, so that the connecting section of the residual stud is clamped in the groove 221, a disc of the residual stud is positioned at the outer side of the groove 221, the stud welding gun is moved to a direction away from the nail cleaning sheet 2 by using the robot, and the movement of the residual stud can be limited by the disc because the diameter of the disc is larger than the opening width of the groove 221. In addition, the stud welding gun is pulled by a robot, so that the stud welding gun is gradually separated from the residual stud at the tail end until the residual stud falls off, and the nail cleaning operation is completed. Compared with the existing manual intervention operation for executing the nail cleaning operation, the system provided by the application can automatically execute the nail cleaning operation, shortens the nail cleaning time and accordingly improves the working efficiency of stud welding equipment.
The foregoing detailed description has been provided for the purposes of illustration in connection with specific embodiments and exemplary examples, but such description is not to be construed as limiting the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications and improvements may be made to the technical solution of the present application and its embodiments without departing from the spirit and scope of the present application, and these all fall within the scope of the present application. The scope of the application is defined by the appended claims.
Claims (9)
1. The device is used for removing residual studs at the tail end of a stud welding gun, the residual studs are approximately dumbbell-shaped, each residual stud comprises a connecting section at the middle part, and an upper protruding part and a lower protruding part which are arranged at two ends of the connecting section, the upper protruding part and the lower protruding part are all cylindrical, the upper protruding part is embedded at the tail end of the stud welding gun, a disc is arranged at the joint of the lower protruding part and the connecting section, and the diameter of the disc is larger than that of the lower protruding part; characterized in that the device comprises: the nail cleaning piece (2) is used for removing the residual stud, wherein the nail cleaning piece (2) is arranged at the top end of the upright post (1),
the plane perpendicular to that clear nail piece (2) are located stand (1), clear nail piece (2) include with stand (1) contact fixed part (21) and be in unsettled state pull out portion (22), the thickness of pull out portion (22) is less than the height of the linkage segment of remaining spiral shell post, recess (221) have been seted up at the edge of pull out portion (22), the opening width of recess (221) is greater than the diameter of linkage segment, just the opening width of recess (221) is less than the diameter of disc, so that the linkage segment can block the inside of recess (221), recess (221) are used for pulling out the remaining double-screw bolt of card inside recess (221) under the condition that stud welding gun moves to keeping away from in the direction of clear nail piece (2).
2. Device according to claim 1, characterized in that the opening width of the recess (221) is gradually reduced in a direction perpendicular to the direction in which the nail-cleaning sheet (2) extends towards the bottom of the upright (1).
3. The device according to claim 1, characterized in that the groove (221) comprises an arc-shaped groove bottom (2211), a mating section (2212) smoothly connected with the arc-shaped groove bottom (2211), and an opening section (2213) at the opening end of the groove (221);
the opening width of the mating section (2212) is kept uniform in the direction in which the opening of the groove (221) extends outward, and the opening width of the opening section (2213) is gradually increased.
4. The device according to claim 1, characterized in that a guide chute (3) is arranged below the nail cleaning sheet (2), the guide chute (3) is inclined towards the bottom direction of the upright post (1), and the guide chute (3) is used for receiving residual studs of the nail cleaning sheet (2) pulled out from the tail end of a stud welding gun.
5. Device according to claim 4, characterized in that the end of the chute (3) is provided with a waste cartridge (4), which waste cartridge (4) is intended to receive and store the residual stud.
6. A stud welding gun nail cleaning system is characterized by comprising a visual detection device (10), a residual detection device (20), a nail cleaning device (30) and a robot for controlling the stud welding gun to move, wherein the visual detection device is arranged on the side surface of a workpiece to be welded,
the visual detection device (10) is used for detecting whether a metal stud is welded to a position to be welded of a workpiece to be welded, and the robot moves the stud welding gun to the position of the residual detection device (20) under the condition that the metal stud is not welded to the position to be welded;
the residual detection device (20) is used for detecting whether a residual stud exists at the tail end of the stud welding gun, and the robot moves the stud welding gun to the position of the nail cleaning device (30) under the condition that the residual stud exists at the tail end of the stud welding gun;
the nail cleaning device (30) comprises the device of any one of claims 1-5, wherein the nail cleaning device (30) is used for cleaning residual studs at the tail end of the stud welding gun.
7. The system according to claim 6, characterized in that on the outside of the nail cleaning sheet (2) of the nail cleaning device (30), two opposite fixing bars (23) are provided in the vertical direction, and the residual detecting device (20) is provided on the inside of the fixing bars (23).
8. The system according to claim 7, wherein the residual detection device (20) is a photosensor.
9. System according to claim 7 or 8, characterized in that a connection plate (24) for supporting the fixing rod (23) is arranged below the fixing rod (23), the connection plate (24) is fixedly arranged on one side of the upright (1), and the connection plate (24) is mutually perpendicular to the upright (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910818442.XA CN110421240B (en) | 2019-08-30 | 2019-08-30 | Stud welding gun nail cleaning device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910818442.XA CN110421240B (en) | 2019-08-30 | 2019-08-30 | Stud welding gun nail cleaning device and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110421240A CN110421240A (en) | 2019-11-08 |
| CN110421240B true CN110421240B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910818442.XA Active CN110421240B (en) | 2019-08-30 | 2019-08-30 | Stud welding gun nail cleaning device and system |
Country Status (1)
| Country | Link |
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| CN (1) | CN110421240B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114054911B (en) * | 2020-07-30 | 2024-07-12 | 江苏金恒信息科技股份有限公司 | Stud cleaning device of stud welding gun |
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| US7282661B2 (en) * | 2004-10-27 | 2007-10-16 | Illinois Tool Works Inc. | Apparatus for detecting connection of a welded stud to a stud welding gun |
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| CN110421240A (en) | 2019-11-08 |
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