CN210281136U - End lead welding machine - Google Patents

End lead welding machine Download PDF

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Publication number
CN210281136U
CN210281136U CN201920902304.5U CN201920902304U CN210281136U CN 210281136 U CN210281136 U CN 210281136U CN 201920902304 U CN201920902304 U CN 201920902304U CN 210281136 U CN210281136 U CN 210281136U
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CN
China
Prior art keywords
bus bar
battery string
welding
conveying
feeding
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CN201920902304.5U
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Chinese (zh)
Inventor
李文
王恒
何大伟
沈博
王群
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Wuxi Autowell Technology Co Ltd
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Wuxi Autowell Technology Co Ltd
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Priority to CN201920902304.5U priority Critical patent/CN210281136U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The utility model relates to an end lead welding machine, which comprises a battery string feeding part, a battery string carrying part, a bus bar feeding part, a welding conveying part and a welding part; the battery string feeding part is used for bearing and transporting the battery string from the previous station; the battery string conveying part conveys the battery strings loaded on the battery string loading part to the welding conveying part; the bus bar feeding part feeds the bus bar coated with the soldering flux to the welding conveying part; the battery string conveying part and the bus bar feeding part are matched with feeding, so that a bus bar is stacked at the head end and the tail end of at least one string of battery strings on the welding conveying part; the welding portion welds the bus bars located at the ends of the battery strings on the welding conveying portion to the corresponding ends of the battery strings. The utility model discloses a set up battery cluster material loading portion, battery cluster transport portion, busbar material loading portion, welding transport portion and weld part, make welding station and the direct butt joint of preceding way lamination station, can realize automated production, improve production efficiency.

Description

End lead welding machine
Technical Field
The utility model relates to a photovoltaic field's solar energy shingled tile battery production facility, specifically speaking are end lead wire welding machine.
Background
After the cell stack is formed into a string, bus bars, also referred to as end leads, are welded to the ends of the string. The conventional welded bus bar is produced by welding the bus bars at a station where the cell plates are stacked in a string.
The production process needs long waiting time due to the welding at the same station after the lamination is finished, and the lamination and the welding can interfere with each other, so that the production efficiency of the welding of the bus bar is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that current end lead wire welding equipment production efficiency is low, thereby provide one kind and can realize the end lead wire welding machine that automated production efficiency is high.
The utility model provides an end lead wire welding machine's technical scheme as follows: an end lead welding machine comprises a battery string feeding part, a battery string conveying part, a bus bar feeding part, a welding conveying part and a welding part; the battery string feeding part is used for bearing and transporting the battery string from the previous station; the battery string conveying part conveys the battery strings loaded on the battery string loading part to the welding conveying part; the bus bar feeding part feeds the bus bar coated with the soldering flux to the welding conveying part; the battery string conveying part and the bus bar feeding part are matched with feeding, so that a bus bar is stacked at the head end and the tail end of at least one string of battery strings on the welding conveying part; the welding portion welds the bus bars located at the ends of the battery strings on the welding conveying portion to the corresponding ends of the battery strings.
Through setting up battery cluster material loading portion, battery cluster transport portion, busbar material loading portion, welding transport portion and welding part, make welding station and the direct butt joint of preceding lamination station, can realize automated production, improve production efficiency.
Furthermore, the battery string feeding part is divided into three parts, and the welding conveying part and the welding part are divided into two parts; the two welding conveying parts are arranged in parallel, the three battery string feeding parts are arranged at the upstream positions of the two welding conveying parts in parallel, one battery string feeding part is arranged in the middle of the two welding conveying parts, and the other two battery string feeding parts are respectively arranged at the outer sides of the two welding conveying parts.
By arranging the three battery string feeding parts and the two welding parts, the space can be fully utilized, and the production efficiency is improved in multiples.
Furthermore, the two welding parts are symmetrically arranged between the two welding conveying parts and are respectively positioned above the two welding conveying parts.
Two welding parts are arranged between the two welding conveying parts, so that the welding path can be shortened, the field is saved, and the efficiency is improved.
Further, the battery string handling part employs a robot with a chuck group, the robot is located at a midstream position between the two welding conveying parts, and the chuck group is configured to adsorb the battery string.
The battery string conveying part adopts a robot and is arranged between the two welding conveying parts, the battery strings of the three battery string feeding parts can be conveyed to the two welding conveying parts in a crossed manner, the operation is flexible, and the cost of the whole machine can be reduced.
Further, the end lead bonding machine further includes a battery string detecting part for detecting positional information of the battery string.
Through setting up battery cluster detection portion, can provide the positional information of battery cluster, be convenient for fix a position.
Furthermore, the number of the battery string detection parts is the same as that of the battery string feeding parts, the battery string detection parts are arranged in one-to-one correspondence with the battery string feeding parts, and each battery string detection part is located above the battery string feeding part corresponding to the battery string detection part.
The battery string detection parts are arranged and correspond to the battery string feeding parts, so that the battery string position information on the feeding parts can be provided in real time, and the detection efficiency is improved.
Furthermore, the bus bar feeding part comprises a transfer part, a first conveying mechanism, a coating mechanism, a transverse moving mechanism, a tool backflow mechanism and a second conveying mechanism; the transfer part is used for temporarily storing the bus bar; the first conveying mechanism is used for conveying the bus bar to the coating mechanism from the transfer part; the coating mechanism is used for coating the soldering flux on the bus bar; the transverse moving mechanism is used for transporting the bus bar coated with the soldering flux to the tool backflow mechanism; the tool backflow mechanism is used for loading the bus bar coated with the soldering flux and conveying the bus bar to the welding conveying part; the second carrying mechanism is used for carrying the bus bar from the tool reflow mechanism to the welding conveying part.
Through set up coating mechanism at busbar material loading portion, can realize that the scaling powder has directly been scribbled when the busbar material loading, improve automatic level.
Furthermore, the bus bar feeding part also comprises a bus bar feeding mechanism, a traction mechanism and a shearing mechanism; the bus bar feeding mechanism is used for storing bus bars; the traction mechanism is used for placing the drawn bus bar on the transfer part after drawing the bus bar from the bus bar feeding mechanism; the shearing mechanism cuts the bus bar on the transfer part at a preset position to obtain the bus bar with a preset length; the bus bar feeding mechanisms and the traction mechanisms are two groups, the two bus bar feeding mechanisms respectively supply a head bus bar and a tail bus bar of the battery string, and each traction mechanism respectively pulls out one bus bar from the corresponding bus bar feeding mechanism.
Through setting up the equipment of cutting of busbar, can prepare equipment butt joint with welding machine and busbar, can further improve degree of automation.
Further, the tool backflow mechanism comprises a conveyor belt and tools, the tools are mounted on the conveyor belt and move along with the conveyor belt, and positioning protrusions matched with the bus bar holes are mounted on the tools; two sides of the tool are respectively provided with a group of positioning bulges, and each group of positioning bulges are used for positioning a bus bar respectively.
The bus bar can be positioned and conveyed through the tool backflow mechanism, and the bus bar is prevented from offsetting.
Furthermore, the end lead welding machine also comprises a battery string blanking part, a transverse moving and carrying mechanism, a battery string testing device, a qualified product conveying part and a unqualified product conveying part which are positioned at the downstream position of the welding and conveying part; the battery string blanking part is used for receiving the battery string with the bus bars welded on the welding conveying part; the transverse moving and conveying mechanism is used for conveying the battery strings on the battery string blanking part to the battery string testing device for detection and conveying the qualified battery strings to the qualified product conveying part; the battery string testing device is used for detecting whether the battery string is qualified or not; the qualified product conveying part is used for conveying qualified battery strings to the next station; the unqualified product conveying part is used for storing the unqualified battery strings after detection.
Through set up after welding treatment facility behind welding transport portion, can in time handle the busbar after the welding, improve production efficiency.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic perspective view of a battery string conveying part according to an embodiment of the present invention.
Fig. 4 is a schematic perspective view of the transfer part in the embodiment of the present invention.
Fig. 5 is a schematic perspective view of a first conveying mechanism according to an embodiment of the present invention.
Fig. 6 is a schematic perspective view of a coating mechanism in an embodiment of the present invention.
Fig. 7 is a schematic perspective view of a lateral movement mechanism according to an embodiment of the present invention.
Fig. 8 is a schematic perspective view of a tool reflow mechanism in an embodiment of the present invention.
Fig. 9 is a schematic perspective view of a second conveying mechanism according to an embodiment of the present invention.
Fig. 10 is a schematic perspective view of a bus bar feeding mechanism according to an embodiment of the present invention.
Fig. 11 is a schematic perspective view of a traction mechanism in an embodiment of the present invention.
Fig. 12 is a front view of a shearing mechanism in an embodiment of the present invention.
Fig. 13 is a schematic perspective view of a welded portion according to an embodiment of the present invention.
Fig. 14 is a schematic perspective view of a post-weld treatment apparatus according to an embodiment of the present invention.
In fig. 1 to 14, the apparatus includes an end lead welding machine 1, a battery string feeding unit 10, a battery string conveying unit 20, a robot 21, a suction cup group 22, a bus bar feeding unit 30, a transfer unit 31, a transfer platform 311, an air cylinder 312, a first conveying mechanism 32, an adsorption component 321, a lifting component 322, a traverse component 323, a coating mechanism 33, a flux cartridge 331, an adsorption rod 332, a link mechanism 333, a rotation driving air cylinder 334, a lifting driving air cylinder 335, a traverse mechanism 34, a suction cup 341, a suction cup lifting device 342, a suction cup traverse device 343, a tool reflow mechanism 35, a conveyor belt 351, a tool 352, a positioning boss 353, a bus bar feeding mechanism 36, a feeding plate 361, a traction mechanism 37, a clamping jaw 371, a clamping jaw traverse mechanism 372, a shearing mechanism 38, an upper cutting knife 381, a lower cutting knife 382, a second conveying mechanism 39, a suction cup 391, a suction cup lifting device 392, a first suction cup device 393, a first suction cup device, A second traverse device 394 for a suction cup, a welding conveyor 40, a welding part 50, a welding light box 51, a light box lifting mechanism 52, a battery string detection unit 60, a battery string feeding unit 70, a traverse conveyance mechanism 80, a battery string testing device 90, a non-defective product conveyor 101, and a defective product conveyor 102.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The utility model relates to an end lead wire welding machine. When producing solar energy pile tile battery, the utility model is used for carry out the welding of head busbar and afterbody busbar behind the battery piece lamination bunching.
Fig. 1 and 2 show an alternative embodiment of an end lead bonding machine 1, with fig. 1 being a perspective view of the end lead bonding machine 1 and fig. 2 being a top view of the end lead bonding machine 1. The end lead welding machine 1 mainly includes a battery string feeding portion 10, a battery string conveying portion 20, a bus bar feeding portion 30, a welding conveying portion 40, and a welding portion 50.
The battery string feeding part 10 is used for carrying and transporting the battery string from the previous station; the battery string conveying unit 20 conveys the battery string loaded on the battery string loading unit 10 to the welding conveying unit 40; the bus bar loading part 30 loads the bus bar coated with the soldering flux to the welding conveying part 40; the battery string conveying part 20 and the bus bar feeding part 30 cooperate with feeding to enable the head end and the tail end of at least one battery string on the welding conveying part 40 to be stacked with one bus bar; the welding part 50 welds the bus bars located at the ends of the cell strings on the welding conveyor 40 to the corresponding ends of the cell strings.
By arranging the battery string feeding part 10, the battery string carrying part 20, the bus bar feeding part 30, the welding conveying part 40 and the welding part 50, the welding station is directly butted with the previous lamination station, automatic production can be realized, and the production efficiency is improved.
Optionally, the number of the battery string feeding parts 10 is three, and the number of the welding conveying parts 40 and the number of the welding parts 50 are two respectively; the two welding conveying parts 40 are arranged in parallel, the three battery string feeding parts 10 are arranged in parallel at the upstream position of the two welding conveying parts 40, one battery string feeding part 10 is arranged in the middle of the two welding conveying parts 40, and the other two battery string feeding parts 10 are respectively arranged at the outer sides of the two welding conveying parts 40.
Through setting up three battery cluster material loading portions 10 and two welding parts 50, form the mode of three rail material loading and come with the battery cluster of last station, the make full use of space to improve production efficiency by times.
Alternatively, the two welding parts 50 are symmetrically arranged between the two welding conveying parts 40 and are respectively located above the two welding conveying parts 40.
By disposing the two-piece welding part 50 between the two-piece welding conveying parts 40, the welding route can be shortened, the field can be saved, and the efficiency can be improved.
An alternative embodiment of the battery string loading portion 10 is to use a conveyor line, which moves a conveyor belt by a motor to move the battery string.
Fig. 3 shows an alternative embodiment of the battery string carrying unit 20, and fig. 3 is a perspective view of the battery string carrying unit 20. The battery string carrying part 20 adopts a robot with a sucker group, and comprises a robot 21 and a sucker group 22, wherein the sucker group 22 is arranged on an arm of the robot 21. The robot 21 is located at a midstream position between the two welding conveyors 40, and the chuck group 22 is configured to adsorb the battery string.
The battery string conveying part 20 adopts a robot and is arranged between the two welding conveying parts 40, the battery strings of the three battery string feeding parts 10 can be conveyed to the two welding conveying parts 40 in a crossed manner, the operation is flexible, and the whole machine cost can be reduced.
As shown in fig. 1 and 2, the end lead bonding machine 1 may further include a battery string detection part 60, and the battery string detection part 60 is configured to detect position information of the battery string. By providing the battery string detecting section 60, positional information of the battery string can be provided, which facilitates positioning.
Optionally, the number of the battery string detection portions 60 is the same as the number of the battery string feeding portions 10, and the battery string detection portions 60 are arranged in one-to-one correspondence with the battery string feeding portions 10, and each battery string detection portion 60 is located above the battery string feeding portion 10 corresponding to the battery string detection portion 60.
A plurality of battery string detection parts 60 are arranged corresponding to each battery string feeding part 10, so that the battery string position information on each feeding part can be provided in real time, and the detection efficiency is improved.
An alternative embodiment of the battery string detecting section 60 is to use a CCD camera, and three pairs of CCD cameras are used in this embodiment. And the three pairs of CCD cameras are arranged on the bracket and used for detecting and positioning the battery strings on the conveying line below.
As shown in fig. 1 and 2, an alternative embodiment of the bus bar loading part 30 mainly includes a transfer part 31, a first conveying mechanism 32, a coating mechanism 33, a traverse mechanism 34, a tool reflow mechanism 35, and a second conveying mechanism 39.
The transit section 31 is used for temporarily storing the bus bar; the first conveying mechanism 32 is used for conveying the bus bar from the intermediate portion 31 to the coating mechanism 33; the coating mechanism 33 is used for coating the scaling powder on the bus bar; the transverse moving mechanism 34 is used for conveying the bus bar coated with the soldering flux to the tool backflow mechanism 35; the tool reflow mechanism 35 is used for loading the bus bars coated with the soldering flux and conveying the bus bars to the soldering conveying part 40; the second conveying mechanism 39 is used to convey the bus bar from the tool reflow mechanism 35 to the soldering conveyor 40.
By arranging the coating mechanism 33 on the bus bar feeding part 30, the soldering flux can be directly coated during bus bar feeding, and the automation level is improved.
Fig. 4 shows an alternative embodiment of the transition section 31, and fig. 4 is a perspective view of the transition section 31. The transit portion 31 includes a transit platform 311 for carrying the bus bar, and the transit platform 311 is provided with a groove for positioning the bus bar and is further provided with an adsorption hole for adsorbing the bus bar. Optionally, the transfer platform 311 may be driven by the cylinder 312 to ascend and descend.
Fig. 5 shows an alternative embodiment of the first handling mechanism 32, and fig. 5 is a perspective view of the first handling mechanism 32. The first conveyance mechanism 32 includes a suction unit 321, a lift unit 322, and a traverse unit 323, the suction unit 321 being attached to the lift unit 322, and the lift unit 322 being attached to the traverse unit 323. The adsorption component 321 is used for adsorbing the bus bar, the lifting component 322 drives the adsorption component 321 to lift, and the transverse moving component 323 drives the lifting component 322 to transversely move. The first conveying mechanism 32 conveys the bus bar from the relay platform 311 of the relay section 31 to the painting mechanism 33.
Fig. 6 shows an alternative embodiment of the painting mechanism 33, and fig. 6 is a perspective view of the painting mechanism 33. The coating mechanism 33 is used to apply flux to the bus bar. The painting mechanism 33 includes a flux box 331, an adsorption rod 332, a link mechanism 333, a rotation driving cylinder 334, and a lift driving cylinder 335. The welding aid box 331 is installed above the support, the lifting driving cylinder 335 is vertically installed at one side of the support, the rotating driving cylinder 334 is installed on the movable part of the lifting driving cylinder 335, one end of the link mechanism 333 is installed on the movable part of the rotating driving cylinder 334, and the adsorption rod 332 is installed at the other end of the link mechanism 333 and is located above the welding aid box 331.
The rotation driving cylinder 334 drives the link mechanism 333 to rotate the adsorption rod 332 adsorbed with the bus bar by 90 degrees; after the adsorption rod 332 rotates, the lifting driving cylinder 335 drives the adsorption rod 332 to descend, so that the adsorbed bus bar is immersed in the flux box 331 and then rises; the rotary drive cylinder 334 rotates the linkage 333 back to wait for the traverse mechanism 34 to remove the bus bar.
Fig. 7 shows an alternative embodiment of the traversing mechanism 34, and fig. 7 is a perspective view of the traversing mechanism 34. The traverse mechanism 34 is used to convey the flux-coated bus bar to the tool reflow mechanism 35. The traverse mechanism 34 includes a suction cup 341, a suction cup lifting device 342, and a suction cup traverse device 343, the suction cup 341 is mounted on the suction cup lifting device 342, and the suction cup lifting device 342 is mounted on the suction cup traverse device 343. The sucking disc 341 is used for adsorbing the bus bar, the sucking disc 341 is driven to lift by the sucking disc lifting device 342, and the sucking disc sideslip device 343 drives the sucking disc 341 to sideslip to carry the bus bar. The suction cup lifting device 342 and the suction cup traverse device 343 may be any one of those known in the art. Optionally, the suction cup lifting device 342 is an air cylinder, the suction cup traversing device 343 is a combination of a motor, a belt and a guide rail, and the motor drives the suction cup lifting device 342 to move along the guide rail through the belt.
Fig. 8 shows an alternative embodiment of the tool return mechanism 35, and fig. 8 is a perspective view of the tool return mechanism 35. The tool reflow mechanism 35 is used for loading the flux-coated bus bar and conveying the flux-coated bus bar to the second conveying mechanism 39.
The tool return mechanism 35 includes a conveyor belt 351 and tools 352, and the tools 352 are mounted on the conveyor belt 351 and move along with the conveyor belt 351. Conveyer belt 351 is driven by the motor, has set up a plurality of busbar frocks 352 on the conveyer belt 351, and frock 352 moves along with conveyer belt 351.
The fixture 352 is provided with a positioning protrusion 353 matched with the bus bar hole, and when the bus bar is placed, the positioning protrusion 353 is just clamped into the bus bar hole, so that the bus bar is prevented from shifting. Optionally, two side edges of the tool 352 are respectively provided with a set of positioning protrusions 353, and each set of positioning protrusions 353 is used for positioning one bus bar.
Fig. 9 shows an alternative embodiment of the second carrying mechanism 39, and fig. 9 is a perspective view of the second carrying mechanism 39. The second carrying mechanism 39 is used for adsorbing and grabbing the bus bars on the tool backflow mechanism 35, then the upper CCD camera positions the battery string, and the second carrying mechanism 39 places the bus bars at the head end and the tail end of the battery string respectively according to the feedback result of the upper CCD camera.
The second carrying mechanism 39 includes a suction cup 391, a suction cup lifting device 392, a suction cup first traverse device 393, and a suction cup second traverse device 394. The suction cup 391 is mounted on the suction cup lifting device 392, the suction cup lifting device 392 is mounted on the suction cup first traversing device 393, and the suction cup first traversing device 393 is mounted on the suction cup second traversing device 394. The sucking disc 391 is used for adsorbing the busbar, and sucking disc elevating gear 392 drives sucking disc 391 to go up and down, and the first sideslip device 393 of sucking disc and sucking disc second sideslip device 394 drive sucking disc 391 sideslip in the horizontal direction of two differences, the transport busbar. The suction cup lifting device 392, the suction cup first traversing device 393, and the suction cup second traversing device 394 may take any of a variety of alternative configurations known in the art.
As shown in fig. 1 and 2, the bus bar feeding section 30 may further include a bus bar feeding mechanism 36, a pulling mechanism 37, and a shearing mechanism 38. The bus bar feeding mechanism 36, the drawing mechanism 37 and the shearing mechanism 38 are combined into a bus bar slitting device. The bus bar feeding mechanism 36 is for storing bus bars; the drawing mechanism 37 is used for drawing out the bus bar from the bus bar feeding mechanism 36 and then placing the drawn-out bus bar on the transit part 31; the shearing mechanism 38 cuts the bus bar placed on the transit portion 31 at a predetermined position to obtain a bus bar of a predetermined length.
Optionally, the bus bar feeding mechanisms 36 and the pulling mechanisms 37 are two sets, the two bus bar feeding mechanisms 36 respectively supply the head bus bar and the tail bus bar of the battery string, and each pulling mechanism 37 pulls out one bus bar from the corresponding bus bar feeding mechanism 36.
Through setting up the equipment of cutting of busbar, can prepare equipment butt joint with welding machine and busbar, can further improve degree of automation.
Fig. 10 shows an alternative embodiment of the bus bar feeding mechanism 36, and fig. 10 is a perspective view of the bus bar feeding mechanism 36. The bus bar feeding mechanism 36 includes two feeding trays 361, and each feeding tray 361 is used for storing a roll of bus bars. The bus bar feeding mechanism 36 can simultaneously supply two bus bars different in direction. And the two bus bars are welded at the head end and the tail end of the battery string after a series of treatment.
Fig. 11 shows an alternative embodiment of the pulling mechanism 37, and fig. 11 is a perspective view of the pulling mechanism 37. The pulling mechanism 37 is used to pull the two bus bars out for a suitable length and place them on the transfer platform 311 of the transfer part 31, and then the bus bars are cut by the cutting mechanism 38.
The traction mechanism 37 comprises a clamping jaw 371 and a clamping jaw traversing mechanism 372, the clamping jaw 371 is installed on the clamping jaw traversing mechanism 372, and the transfer platform 311 is located below the clamping jaw 371. Two clamping jaws 371 with pressing force provided by air cylinders for clamping two bus bars; after the two bus bars are clamped, the motor of the clamping jaw transverse moving mechanism 372 drives the clamping jaw to transversely move.
Fig. 12 shows an alternative embodiment of the cutting mechanism 38, and fig. 12 is a front view of the cutting mechanism 38. A shearing mechanism 38 is used to separate the bus bars.
The shearing mechanism 38 includes an upper cutter 381 and a lower cutter 382. The upper cutter 381 includes two blades and the lower cutter 382 has only one blade. The shearing mechanism 38 receives two bus bars simultaneously, the upper cutter 381 is driven by the cylinder to move vertically downwards, the lower cutter 382 is driven by the cylinder to move vertically upwards, and the upper cutter and the lower cutter move oppositely at the same time to cut off the two bus bars.
Fig. 13 shows an alternative embodiment of the weld 50, and fig. 13 is a perspective view of the weld 50. The welding part 50 includes a welding lamp box 51 and a lamp box lifting mechanism 52, the lamp box 51 is mounted on the lamp box lifting mechanism 52, and the lamp box lifting mechanism 52 drives the lamp box 51 to lift. An infrared lamp tube is arranged in the lamp box 51 to provide high temperature for welding. The welding lamp box 51 may weld the placed bus bars to the head and the tail ends of the battery string, respectively.
As shown in fig. 1 and 2, the end lead welding machine 1 further includes a battery string feeding unit 70, a traverse conveying mechanism 80, a battery string testing device 90, a non-defective product conveying unit 101, and a defective product conveying unit 102, which are located downstream of the welding conveying unit 40, and these components constitute a post-welding processing apparatus.
Fig. 14 shows an alternative embodiment of the post-weld treatment apparatus, and fig. 13 is a perspective view of the post-weld treatment apparatus.
The battery string blanking portion 70 has two pieces, which are abutted against the two welding conveying portions 40, and receives the battery string with the bus bars welded to the welding conveying portions 40.
The traverse transport mechanism 80 transports the battery string on the battery string feeding unit 70 to the battery string testing device 90 for detection. According to whether the detection result is qualified, the qualified battery strings are conveyed to the qualified product conveying part 101, and the unqualified battery strings are conveyed to the unqualified product conveying part 102.
The cell string testing device 90 is used for detecting whether the cell string is qualified, namely detecting internal defects, hidden cracks, fragments, insufficient solder joints, broken grids of the solar cell module and abnormal phenomena of single cells with different conversion efficiencies.
The non-defective product conveying unit 101 conveys a non-defective battery string to the next station.
The defective product conveying unit 102 is used to store the battery string that has been detected as defective. By providing the defective product conveying section 102, defective battery strings can be collected for subsequent processing.
By providing the post-welding treatment device after the welding conveying portion 40, the welded bus bar can be treated in time, and the production efficiency is improved.
The following description of the working process of the present invention with reference to fig. 1 and 2 is as follows:
1. the battery string feeding part 10 transports the batteries in the previous station in a three-rail feeding mode;
2. the three pairs of CCD cameras of the battery string detecting section 60 detect and position the battery strings on the lower battery string feeding section 10;
3. the robot 21 in the battery string conveying part 20 conveys the battery string in place on the three rails to the conveying lines of the two welding conveying parts 40 for welding;
4. the bus bar feeding mechanism 36 simultaneously supplies two bus bars in different directions;
5. the traction mechanism 37 pulls out the two bus bars and puts the bus bars on the transfer platform 311 of the transfer part 31, and then the bus bars are cut by the cutting mechanism 38 to be separated;
6. the first carrying mechanism 32 carries the two bus bars from the transfer platform 311 to the coating mechanism 33;
7. the coating mechanism 33 coats the flux on the two bus bars;
8. the transverse moving mechanism 34 conveys the two bus bars coated with the soldering flux to the tool backflow mechanism 35;
9. the tool reflow mechanism 35 loads the two bus bars coated with the soldering flux and conveys the two bus bars to the second carrying mechanism 39, and the other side of the tool reflow mechanism is the same;
10. the second carrying mechanism 39 absorbs and grabs the two bus bars on the tool reflow mechanism 35, then the CCD camera above positions the battery string, the second carrying mechanism 39 respectively places the two bus bars at two ends of the battery string, and the other side is the same;
11. the welding lamp box 51 of the welding part 50 welds the placed bus bar to the head and the tail of the battery string, and the other side is the same.
The invention has been described above with a certain degree of particularity and detail. It will be understood by those of ordinary skill in the art that the description of the embodiments is merely exemplary and that all changes that may be made without departing from the true spirit and scope of the present invention are intended to be within the scope of the present invention. The scope of the invention is defined by the appended claims rather than by the foregoing description of the embodiments.

Claims (10)

1. An end lead welding machine is characterized by comprising a battery string feeding part, a battery string conveying part, a bus bar feeding part, a welding conveying part and a welding part; wherein:
the battery string feeding part is used for bearing and transporting the battery string from the previous station;
the battery string conveying part conveys the battery string loaded on the battery string loading part to the welding conveying part;
the bus bar feeding part feeds the bus bar coated with the soldering flux to the welding conveying part;
the battery string conveying part and the bus bar feeding part are matched with each other for feeding, so that a bus bar is stacked at the head end and the tail end of at least one string of battery strings on the welding conveying part;
the welding portion welds the bus bars located at the ends of the battery strings on the welding conveying portion to the corresponding ends of the battery strings.
2. The end lead welding machine of claim 1, wherein the battery string feeding portion is three pieces, and the welding delivery portion and the welding portion are two pieces, respectively; the two welding conveying parts are arranged in parallel, the three battery string feeding parts are arranged at the upstream positions of the two welding conveying parts in parallel, one battery string feeding part is arranged in the middle of the two welding conveying parts, and the other two battery string feeding parts are respectively arranged at the outer sides of the two welding conveying parts.
3. The end lead welding machine of claim 2 wherein two of said weld portions are symmetrically disposed between and above two of said weld delivery portions, respectively.
4. The end lead bonding machine of claim 2 wherein said battery string handling portion employs a robot with a suction cup set, said robot being located at a midstream location between two of said bonding delivery portions, said suction cup set being configured to attract the battery string.
5. The end lead bonding machine of claim 1 further comprising a battery string detection portion for detecting positional information of the battery string.
6. The end lead welding machine according to claim 5, wherein the number of the battery string detecting parts is the same as the number of the battery string feeding parts and is arranged in one-to-one correspondence with the battery string feeding parts, and each of the battery string detecting parts is located above the battery string feeding part corresponding to the battery string detecting part.
7. The end lead welding machine of claim 1, wherein the busbar loading portion comprises a transfer portion, a first handling mechanism, a coating mechanism, a traversing mechanism, a tooling reflow mechanism, and a second handling mechanism;
the transfer part is used for temporarily storing the bus bar;
the first conveying mechanism is used for conveying the bus bar from the transfer part to the coating mechanism;
the coating mechanism is used for coating soldering flux on the bus bar;
the transverse moving mechanism is used for transporting the bus bar coated with the soldering flux to the tool backflow mechanism;
the tool backflow mechanism is used for loading the bus bar coated with the soldering flux and conveying the bus bar to the welding conveying part;
the second carrying mechanism is used for carrying the bus bar from the tooling reflow mechanism to the welding conveying part.
8. The end lead welding machine of claim 7, wherein the bus bar loading section further comprises a bus bar feeding mechanism, a pulling mechanism, and a shearing mechanism;
the bus bar feeding mechanism is used for storing bus bars;
the traction mechanism is used for placing the drawn bus bar on the transit part after drawing the bus bar out of the bus bar feeding mechanism;
the shearing mechanism cuts the bus bar arranged on the transfer part at a preset position to obtain the bus bar with a preset length;
the bus bar feeding mechanisms and the traction mechanisms are two groups, the two bus bar feeding mechanisms respectively supply a head bus bar and a tail bus bar of the battery string, and each traction mechanism respectively pulls out one bus bar from the corresponding bus bar feeding mechanism.
9. The end lead welding machine of claim 7, wherein the tooling reflow mechanism comprises a conveyor belt and tooling, a plurality of tooling are mounted on the conveyor belt and move along with the conveyor belt, and positioning protrusions matched with the bus bar holes are mounted on the tooling;
and two sides of the tool are respectively provided with a group of positioning bulges, and each group of positioning bulges are used for positioning a bus bar respectively.
10. The end lead welding machine of claim 1, further comprising a battery string feeding section, a traverse handling mechanism, a battery string testing device, a non-defective product conveying section, and a defective product conveying section located downstream of the welding conveying section;
the battery string blanking part is used for receiving the battery string with the bus bars welded on the welding conveying part;
the transverse moving and conveying mechanism is used for conveying the battery strings on the battery string feeding part to the battery string testing device for detection and conveying qualified battery strings to the qualified product conveying part;
the battery string testing device is used for detecting whether the battery string is qualified or not;
the qualified product conveying part is used for conveying qualified battery strings to the next station;
and the unqualified product conveying part is used for storing the unqualified battery strings after detection.
CN201920902304.5U 2019-06-14 2019-06-14 End lead welding machine Active CN210281136U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920902304.5U CN210281136U (en) 2019-06-14 2019-06-14 End lead welding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920902304.5U CN210281136U (en) 2019-06-14 2019-06-14 End lead welding machine

Publications (1)

Publication Number Publication Date
CN210281136U true CN210281136U (en) 2020-04-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920902304.5U Active CN210281136U (en) 2019-06-14 2019-06-14 End lead welding machine

Country Status (1)

Country Link
CN (1) CN210281136U (en)

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