CN112658537B - Dedicated spot welding tool of lithium cell group - Google Patents

Dedicated spot welding tool of lithium cell group Download PDF

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Publication number
CN112658537B
CN112658537B CN202011447135.4A CN202011447135A CN112658537B CN 112658537 B CN112658537 B CN 112658537B CN 202011447135 A CN202011447135 A CN 202011447135A CN 112658537 B CN112658537 B CN 112658537B
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fixedly connected
fixed
block
plate
spot welding
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CN112658537A (en
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朱青松
杨金龙
王常军
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Huizhou Wotaili Technology Co ltd
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Huizhou Wotaili Technology Co ltd
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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 invention provides a special spot welding jig for a lithium battery pack, and relates to the technical field of lithium battery pack processing. This dedicated spot welding tool of lithium cell group, including the supporting baseplate, the top of supporting baseplate is connected with the backup pad through adjusting the seat, the top sliding connection who goes up the backup pad has movable ejector pad, be provided with from the locking structure between activity ejector pad and the last backup pad, the trailing flank fixedly connected with posterior lateral plate of supporting baseplate, the leading flank fixedly connected with slide of posterior lateral plate, the inboard sliding connection of slide has movable slider, the leading flank fixedly connected with splint of movable slider. Through the fixed riser of top fixedly connected with at the operation platform, the side of fixed riser is provided with presss from both sides tight frame structure, directly puts into the lithium cell and presss from both sides the inboard of pressing from both sides tight frame, then through the first return spring structure of fixed riser rear side, can make press from both sides tight frame and press from both sides the lithium cell tight, uses convenience very.

Description

Dedicated spot welding tool of lithium cell group
Technical Field
The invention relates to the technical field of lithium battery pack processing, in particular to a special spot welding jig for a lithium battery pack.
Background
A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become the mainstream.
Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion battery does not contain the lithium of metallic state to can charge, the lithium cell can increase capacity through the form of group battery when using, establish ties or parallelly connected use together a plurality of lithium cells through the sheetmetal, this is exactly the lithium cell group, the group battery is connected to the mode of the spot welding that adopts at present, in order quick, accurate welding in the spot welding, can use dedicated spot welding tool to assist usually, can weld through the spot welder with the battery location.
Traditional dedicated spot welding tool of lithium cell group simple structure uses relatively inconveniently, causes the injury to user's eyes easily during the use, can not adjust the height of lithium cell moreover when using, influences welding quality.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a special spot welding jig for a lithium battery pack, which solves the problems that the traditional special spot welding jig for the lithium battery pack is simple in structure, inconvenient to use, easy to damage eyes of a user when in use, incapable of adjusting the height of a lithium battery when in use and influenced in welding quality.
(II) technical scheme
In order to realize the purpose, the invention is realized by the following technical scheme: a special spot welding jig for a lithium battery pack comprises a supporting bottom plate, wherein the top of the supporting bottom plate is connected with an upper supporting plate through an adjusting seat, the top of the upper supporting plate is connected with a movable push block in a sliding way, a self-locking structure is arranged between the movable push block and the upper supporting plate, the rear side surface of the supporting bottom plate is fixedly connected with a rear side plate, the front side surface of the rear side plate is fixedly connected with a sliding seat, the inner side of the sliding seat is connected with a movable sliding block in a sliding way, the front side of the movable sliding block is fixedly connected with a connecting clamp plate, the inner side of the connecting splint is fixedly connected with an operation platform through a plurality of groups of fastening nails, the bottom of the operation platform is fixedly connected with a fixed push block, the top of the operation platform is fixedly connected with a fixed vertical plate, the front side surface of the fixed vertical plate is provided with a clamping frame, the clamping frame is U-shaped, and two ends of the clamping frame penetrate through the fixed vertical plate and are provided with first return springs;
the front side surface of the rear side plate, which is close to the left side and the right side, is fixedly connected with connecting frames, and a protection plate is fixedly connected between the two connecting frames;
the bottom fixedly connected with guide bar of operation platform, the backup pad is run through to the bottom of guide bar, and the bottom of guide bar is provided with second return spring.
Preferably, the bottom surface of the supporting bottom plate is close to the left side surface and the right side surface and is fixedly connected with supporting blocks, and the bottom of the supporting bottom plate is arranged between the two supporting blocks and is provided with a fixed sucker.
Preferably, the adjusting seat comprises a fixed seat fixedly connected to the upper surface of the supporting base plate, a lower end block is movably connected to the inside of the fixed seat, a threaded adjusting rod is fixedly connected to the top of the lower end block, the threaded adjusting rod is in threaded connection with the upper supporting plate, an upper end block is fixedly connected to the top of the threaded adjusting rod, and a hexagonal section is arranged on the side face of the threaded adjusting rod.
Preferably, the auto-lock structure includes fixed rack, loose axle, auto-lock wheel and auto-lock fixture block, the rectangular hole has been seted up to the bottom of activity ejector pad, fixed rack fixed connection is at the top of last backup pad, and fixed rack is located the inboard of rectangular hole, loose axle swing joint is in the inboard of rectangular hole, and the loose axle is located the top of fixed rack, the first gear of side fixedly connected with of loose axle, first gear and fixed rack meshing transmission, the one end of loose axle runs through activity ejector pad fixedly connected with auto-lock wheel, the side fixedly connected with fixed casing of activity ejector pad, auto-lock fixture block swing joint is in the inside of fixed casing.
Preferably, the front side surface of the movable push block is fixedly connected with two fixed rods, and a rotating handle is movably connected between the two fixed rods.
Preferably, a spring is arranged between the inner bottom of the fixed shell and the bottom of the self-locking clamping block, an inclined block is arranged at the top end of the self-locking clamping block, the top fixedly connected with fixing block of the upper supporting plate is connected with a movable push rod in a movable mode, a metal wire is fixedly connected to the side of the movable push rod, the other end of the metal wire extends into the fixed shell from the bottom of the fixed shell, and the metal wire is fixedly connected with the bottom of the self-locking clamping block.
Preferably, the bottom end of the guide rod is fixedly connected with an end block, and a second return spring is arranged on the side surface of the guide rod and between the bottom of the upper support plate and the end block.
Preferably, the bottom of the fixed push block is provided with a first inclined plane, the top of the movable push block is provided with a second inclined plane, and the first inclined plane is parallel to the second inclined plane.
Preferably, a battery placing groove is formed in the front side face of the fixed vertical plate and located on the inner side of the clamping frame.
The working principle is as follows: when the device is used, the device is placed below a spot welding head, is sucked with the bottom surface through the fixed sucker 3, and then drives the threaded adjusting rod 402 to rotate through rotating the hexagonal section 404, so that the purpose of adjusting the height of the upper supporting plate 5 is achieved;
the clamping frame 21 is pulled, then the battery is placed on the inner side of the clamping frame 21, the clamping frame 21 is loosened, and the battery is clamped and fixed under the action of the first return spring 22, so that the battery pack can be prevented from moving in the spot welding process;
the rotating handle is pushed to push the movable push block 6 to move, when the movable push block 6 moves, the first gear 10 rotates and rotates on the fixed rack 8 to further drive the self-locking wheel 11 to rotate, the rotating direction of the self-locking wheel 11 is along the direction of the inclined plane at the top of the self-locking fixture block 13 to push the self-locking fixture block 13 to move downwards, when the movable push block 6 is pushed to a proper position, the rotating handle is loosened, the structure of the self-locking wheel 11 and the self-locking fixture block 13 can block the movable shaft 9 from rotating, then the movement of the movable push block 6 is limited through the structure of the first gear 10 and the fixed rack 8, the operation platform 19 is pushed to move upwards through the action of the movable push block 6 and the fixed push block 23, so that the spot welding head can be driven to be subjected to spot welding, when the spot welding head returns, the movable push rod 14 is directly pushed to pull the metal wire, the self-locking fixture block 13 is pulled to enable the self-locking structure to be unlocked, and the guide rod 24 is pulled to move downwards through the second return spring 25, thereby pulling the upper support plate 5 to move downward.
(III) advantageous effects
The invention provides a special spot welding jig for a lithium battery pack. The method has the following beneficial effects:
1. according to the lithium battery clamping device, the fixed vertical plate is fixedly connected to the top of the operation platform, the clamping frame structure is arranged on the side face of the fixed vertical plate, a lithium battery is directly placed on the inner side of the clamping frame, then the clamping frame can clamp the lithium battery through the first return spring structure on the rear side of the fixed vertical plate, and the lithium battery clamping device is very convenient to use.
2. According to the invention, the operation platform with the height capable of being adjusted up and down is arranged, and the protection plate structure is arranged above the front side of the operation platform, so that the operation platform is lifted when spot welding is carried out, and falls down after welding is finished, lithium batteries are taken and placed, and operators can be well protected.
3. According to the invention, the supporting block and the fixed sucker structure are fixedly connected to the bottom of the supporting bottom plate, so that the jig can be conveniently and fixedly placed below the spot welding head.
4. According to the invention, the height of the workbench is adjusted by adopting the two groups of push block structures, the movable push block is provided with the self-locking structure, the movable push block can be locked when pushed, the sliding is avoided, the self-locking structure is loosened, the workbench is pulled down by the second return spring structure, and the use is very convenient.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic side view of the present invention;
FIG. 5 is a schematic top view of the present invention;
FIG. 6 is a schematic view of an adjusting seat according to the present invention;
FIG. 7 is a schematic perspective view of the present invention;
fig. 8 is an enlarged view of the invention at a in fig. 7.
Wherein, 1, supporting the bottom plate; 2. a support block; 3. fixing the sucker; 4. an adjusting seat; 401. a fixed seat; 402. a threaded adjusting rod; 403. a lower end block; 404. a hexagonal section; 405. an upper end block; 5. an upper support plate; 6. a movable push block; 7. a rectangular hole; 8. fixing a rack; 9. a movable shaft; 10. a first gear; 11. a self-locking wheel; 12. a stationary housing; 13. self-locking clamping blocks; 14. a movable push rod; 15. a rear side plate; 16. a slide base; 17. a movable slide block; 18. connecting the clamping plates; 19. an operation table; 20. fixing the vertical plate; 21. clamping the frame; 22. a first return spring; 23. fixing the push block; 24. a guide bar; 25. a second return spring; 26. a connecting frame; 27. and (4) a protective plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1-8, an embodiment of the present invention provides a spot welding jig dedicated for a lithium battery pack, including a supporting base plate 1, the top of the supporting base plate 1 is connected with an upper supporting plate 5 through an adjusting seat 4, the top of the upper supporting plate 5 is slidably connected with a movable push block 6, a self-locking structure is disposed between the movable push block 6 and the upper supporting plate 5, when the movable push block 6 is pushed, the self-locking structure can prevent the movable push block 6 from moving back, the rear side surface of the supporting base plate 1 is fixedly connected with a rear side plate 15, the front side surface of the rear side plate 15 is fixedly connected with a sliding seat 16, the inner side of the sliding seat 16 is slidably connected with a movable slider 17, the movable slider 17 slides inside the sliding seat 16, the front side of the movable slider 17 is fixedly connected with a connecting clamp plate 18, the inner side of the connecting clamp plate 18 is fixedly connected with an operating platform 19 through a plurality of fastening nails, the operating platform 19 is detachably connected, the bottom of the operating platform 19 is fixedly connected with a fixed push block 23, the movable push block 6 is pushed to slide at the bottom of the fixed push block 23, the fixed push block 23 is pushed to move upwards, the top of the operation platform 19 is fixedly connected with a fixed vertical plate 20, a clamping frame 21 is arranged on the front side face of the fixed vertical plate 20 and used for fixing a lithium battery and facilitating spot welding, the clamping frame 21 is U-shaped, two ends of the clamping frame 21 penetrate through the fixed vertical plate 20 and are provided with first return springs 22, and the clamping frame 21 is pulled to be tightened to the inner side;
the front side surface of the rear side plate 15, which is close to the left side and the right side, is fixedly connected with connecting frames 26, and a protection plate 27 is fixedly connected between the two connecting frames 26, so that the protection function is mainly achieved;
the bottom end of the operation platform 19 is fixedly connected with a guide rod 24, the bottom end of the guide rod 24 penetrates through the upper supporting plate 5, and a second return spring 25 is arranged at the bottom end of the guide rod 24 and mainly plays a role in returning the upper supporting plate 5.
The bottom surface of the supporting base plate 1 is fixedly connected with supporting blocks 2 close to the left side surface and the right side surface, a fixed sucker 3 is arranged at the bottom of the supporting base plate 1 and between the two supporting blocks 2, the supporting base plate 1 is convenient to place and fix, the adjusting seat 4 comprises a fixed seat 401 fixedly connected to the upper surface of the supporting base plate 1, a lower end block 403 is movably connected inside the fixed seat 401, a thread adjusting rod 402 is fixedly connected to the top of the lower end block 403, the thread adjusting rod 402 is in threaded connection with an upper supporting plate 5, an upper end block 405 is fixedly connected to the top of the thread adjusting rod 402, a hexagonal section 404 is arranged on the side surface of the thread adjusting rod 402 and used for adjusting the height of the upper supporting plate 5, the self-locking structure comprises a fixed rack 8, a movable shaft 9, a self-locking wheel 11 and a self-locking fixture block 13, a rectangular hole 7 is formed in the bottom of the movable pushing block 6, the fixed rack 8 is fixedly connected to the top of the upper supporting plate 5, the fixed rack 8 is positioned on the inner side of the rectangular hole 7, the movable shaft 9 is movably connected on the inner side of the rectangular hole 7, the movable shaft 9 is positioned above the fixed rack 8, the side surface of the movable shaft 9 is fixedly connected with a first gear 10, the first gear 10 is in meshing transmission with the fixed rack 8, the first gear 10 is driven to rotate as long as the movable push block 6 moves, namely the movable shaft 9 is driven to rotate, one end of the movable shaft 9 penetrates through the movable push block 6 and is fixedly connected with a self-locking wheel 11, the self-locking wheel 11 rotates together with the movable shaft 9, the side surface of the movable push block 6 is fixedly connected with a fixed shell 12, a self-locking fixture block 13 is movably connected inside the fixed shell 12, the self-locking fixture block 13 can prevent the self-locking wheel 11 from reversing, the front side surface of the movable push block 6 is fixedly connected with two fixed rods, a rotating handle is movably connected between the two fixed rods, so as to facilitate pushing the movable push block 6, a spring is arranged between the inner bottom of the fixed shell 12 and the bottom of the self-locking fixture block 13, an inclined block is arranged at the top end of the self-locking fixture block 13, the spring pushes the self-locking fixture block 13 upwards to enable the inclined block to clamp the self-locking wheel 11, a fixed block is fixedly connected to the top of the upper supporting plate 5, a movable push rod 14 is movably connected to the side surface of the fixed block, a metal wire is fixedly connected to the side surface of the movable push rod 14, the movable push rod 14 can drive one end of the metal wire to move to pull the metal wire, the other end of the metal wire extends into the fixed shell 12 from the bottom end of the fixed shell 12, the metal wire is fixedly connected with the bottom of the self-locking fixture block 13 and can pull the self-locking fixture block 13 downwards, the bottom end of the guide rod 24 is fixedly connected with an end block, a second return spring 25 is arranged on the side surface of the guide rod 24 and between the bottom of the upper supporting plate 5 and the end block, a first inclined surface is arranged at the bottom of the fixed pushing block 23, the top of activity ejector pad 6 is provided with the second inclined plane, and first inclined plane is parallel with the second inclined plane, and the battery standing groove has been seted up to the leading flank of fixed riser 20 and the inboard that is located tight frame 21 of clamp.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a dedicated spot welding tool of lithium cell group, includes supporting baseplate (1), its characterized in that: the top of the supporting base plate (1) is connected with an upper supporting plate (5) through an adjusting seat (4), the top of the upper supporting plate (5) is connected with a movable push block (6) in a sliding manner, a self-locking structure is arranged between the movable push block (6) and the upper supporting plate (5), the rear side face of the supporting base plate (1) is fixedly connected with a rear side plate (15), the front side face of the rear side plate (15) is fixedly connected with a sliding seat (16), the inner side of the sliding seat (16) is connected with a movable sliding block (17) in a sliding manner, the front side of the movable sliding block (17) is fixedly connected with a connecting clamping plate (18), the inner side of the connecting clamping plate (18) is fixedly connected with an operating platform (19) through a plurality of groups of fastening nails, the bottom of the operating platform (19) is fixedly connected with a fixed push block (23), and the top of the operating platform (19) is fixedly connected with a fixed vertical plate (20), a clamping frame (21) is arranged on the front side face of the fixed vertical plate (20), the clamping frame (21) is U-shaped, and two ends of the clamping frame (21) penetrate through the fixed vertical plate (20) and are provided with first return springs (22);
the front side surface of the rear side plate (15) close to the left side and the right side is fixedly connected with connecting frames (26), and a protection plate (27) is fixedly connected between the two connecting frames (26);
the bottom fixedly connected with guide bar (24) of operation platform (19), backup pad (5) is run through to the bottom of guide bar (24), and the bottom of guide bar (24) is provided with second return spring (25).
2. The spot welding jig special for the lithium battery pack according to claim 1, characterized in that: the bottom surface of the supporting bottom plate (1) is close to the left side surface and the right side surface and is fixedly connected with supporting blocks (2), and a fixed sucker (3) is arranged at the bottom of the supporting bottom plate (1) and between the two supporting blocks (2).
3. The special spot welding jig for the lithium battery pack according to claim 1, characterized in that: the adjusting base (4) comprises a fixed base (401) fixedly connected to the upper surface of the supporting base plate (1), a lower end block (403) is movably connected to the inside of the fixed base (401), a threaded adjusting rod (402) is fixedly connected to the top of the lower end block (403), the threaded adjusting rod (402) is in threaded connection with the upper supporting plate (5), an upper end block (405) is fixedly connected to the top of the threaded adjusting rod (402), and a hexagonal section (404) is arranged on the side surface of the threaded adjusting rod (402).
4. The spot welding jig special for the lithium battery pack according to claim 1, characterized in that: the self-locking structure comprises a fixed rack (8), a movable shaft (9), a self-locking wheel (11) and a self-locking clamping block (13), the bottom of the movable push block (6) is provided with a rectangular hole (7), the fixed rack (8) is fixedly connected with the top of the upper supporting plate (5), the fixed rack (8) is positioned at the inner side of the rectangular hole (7), the movable shaft (9) is movably connected at the inner side of the rectangular hole (7), the movable shaft (9) is positioned above the fixed rack (8), the side surface of the movable shaft (9) is fixedly connected with a first gear (10), the first gear (10) is in meshing transmission with the fixed rack (8), one end of the movable shaft (9) penetrates through the movable push block (6) and is fixedly connected with a self-locking wheel (11), the side surface of the movable push block (6) is fixedly connected with a fixed shell (12), the self-locking clamping block (13) is movably connected inside the fixed shell (12).
5. The special spot welding jig for the lithium battery pack according to claim 4, wherein: the front side surface of the movable push block (6) is fixedly connected with two fixed rods, and a rotating handle is movably connected between the two fixed rods.
6. The special spot welding jig for the lithium battery pack according to claim 4, wherein: be provided with the spring between the bottom of the interior bottom of fixed casing (12) and auto-lock fixture block (13), the top of auto-lock fixture block (13) is provided with the sloping block, go up the top fixedly connected with fixed block of backup pad (5), the side swing joint of fixed block has movable push rod (14), the side fixedly connected with wire of activity push rod (14), the other end of wire stretches into the inside of fixed casing (12) from the bottom of fixed casing (12), and the bottom fixed connection of wire and auto-lock fixture block (13).
7. The special spot welding jig for the lithium battery pack according to claim 1, characterized in that: the bottom end of the guide rod (24) is fixedly connected with an end block, and a second return spring (25) is arranged on the side surface of the guide rod (24) and between the bottom of the upper support plate (5) and the end block.
8. The special spot welding jig for the lithium battery pack according to claim 1, characterized in that: the bottom of the fixed push block (23) is provided with a first inclined plane, the top of the movable push block (6) is provided with a second inclined plane, and the first inclined plane is parallel to the second inclined plane.
9. The special spot welding jig for the lithium battery pack according to claim 1, characterized in that: the front side surface of the fixed vertical plate (20) and the inner side of the clamping frame (21) are provided with battery placing grooves.
CN202011447135.4A 2020-12-11 2020-12-11 Dedicated spot welding tool of lithium cell group Active CN112658537B (en)

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CN202011447135.4A CN112658537B (en) 2020-12-11 2020-12-11 Dedicated spot welding tool of lithium cell group

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CN112658537B true CN112658537B (en) 2022-07-12

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115673627B (en) * 2023-01-03 2023-03-28 佛山市飞帝浦电器有限公司 Spot welding equipment with protective effect

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205021074U (en) * 2015-09-28 2016-02-10 江苏绿伟锂能有限公司 A spot welding tool for lithium cell group
WO2019156520A1 (en) * 2018-02-12 2019-08-15 주식회사 엘지화학 Jig for spot welding
CN210172838U (en) * 2019-05-24 2020-03-24 惠安佳瑞汽车销售服务有限公司 Efficient lithium cell spot welding structure
CN111545941A (en) * 2020-05-13 2020-08-18 付欢 Automatic welding machine for polymer lithium battery
CN112008314A (en) * 2020-08-11 2020-12-01 谢志全 Lithium battery spot welding machine with quick fixing and welding mechanism and fixing method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205021074U (en) * 2015-09-28 2016-02-10 江苏绿伟锂能有限公司 A spot welding tool for lithium cell group
WO2019156520A1 (en) * 2018-02-12 2019-08-15 주식회사 엘지화학 Jig for spot welding
CN210172838U (en) * 2019-05-24 2020-03-24 惠安佳瑞汽车销售服务有限公司 Efficient lithium cell spot welding structure
CN111545941A (en) * 2020-05-13 2020-08-18 付欢 Automatic welding machine for polymer lithium battery
CN112008314A (en) * 2020-08-11 2020-12-01 谢志全 Lithium battery spot welding machine with quick fixing and welding mechanism and fixing method thereof

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