CN219465032U - Lithium battery cap pressure welding device - Google Patents
Lithium battery cap pressure welding device Download PDFInfo
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- CN219465032U CN219465032U CN202222030080.8U CN202222030080U CN219465032U CN 219465032 U CN219465032 U CN 219465032U CN 202222030080 U CN202222030080 U CN 202222030080U CN 219465032 U CN219465032 U CN 219465032U
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- lithium battery
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a pressure welding device for a lithium battery cap, and belongs to the technical field of lithium battery production. A lithium battery cap press welding device, comprising: the device comprises a processing table, a first blanking mechanism, a second blanking mechanism, a feeding mechanism and a pressure welding mechanism; the first blanking mechanism is arranged on the left side of the upper surface of the processing table and is fixedly connected with the processing table, and is used for automatically feeding the lithium battery; the second blanking mechanism is arranged on the right side of the upper surface of the processing table and fixedly connected with the processing table, and is used for automatically blanking the caps; the utility model discloses effectually solved when carrying out the pressure welding to the lithium cell and handling, can only be solitary carry out the block welding, welding efficiency is low for the production efficiency of lithium cell is low, and still need the manual work to place the block on the lithium cell and carry out the pressure welding, need a large amount of workman to go to operate, improved manufacturing cost's problem.
Description
Technical Field
The utility model relates to the technical field of lithium battery generation, in particular to a pressure welding device for a lithium battery cap.
Background
A lithium battery is a primary battery using a nonaqueous electrolyte solution, which uses lithium metal or a lithium alloy as a negative electrode material. At present, when a lithium battery is produced, a pressure welding is needed to be carried out between a cap of the battery and the lithium battery, and the pressure welding refers to a welding method that a certain pressure is applied when welding is utilized so that metal atoms are mutually combined to form a firm welding joint, and therefore connection is carried out between the two metal atoms, and the cap of the battery is connected with the lithium battery through the pressure welding.
Through retrieving, the patent with the publication number 202122457474.7 discloses a lithium battery cap pressure welding device for solving the problems that the prior cap pressure welding device has poor fixing effect on a workpiece and harmful gas generated during welding can harm the body of workers. The above-mentioned comparison document has the following problems although the beneficial effect is more, only a single cap welding can be carried out when the cap welding is carried out on the lithium battery, the welding efficiency is low, the production efficiency of the lithium battery is low, and the cap is still required to be manually placed on the lithium battery for pressure welding, a large number of workers are required to operate, and the production cost is improved.
Therefore, the lithium battery cap pressure welding device is expected to be designed based on the fact that the requirement on workers is reduced and the production cost is reduced while the processing efficiency of the lithium battery is improved.
Disclosure of Invention
The utility model aims to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a lithium battery cap press welding device, comprising: the device comprises a processing table, a first blanking mechanism, a second blanking mechanism, a feeding mechanism and a pressure welding mechanism;
the first blanking mechanism is arranged on the left side of the upper surface of the processing table and is fixedly connected with the processing table, and is used for automatically feeding the lithium battery;
the second blanking mechanism is arranged on the right side of the upper surface of the processing table and fixedly connected with the processing table, and is used for automatically blanking the caps;
the feeding mechanism is arranged in the middle of the front side of the lower surface of the processing table and fixedly connected with the processing table, and is used for automatically butting the cap with the lithium battery;
the pressure welding mechanism is arranged on the front side of the right surface of the processing table and is fixedly connected with the processing table, and is used for welding between the lithium battery and the cap;
the right side of the upper surface of the processing table is provided with a plurality of first movable grooves, the second blanking mechanism is arranged above the plurality of pushing grooves, and supporting legs are arranged around the lower surface of the processing table.
Preferably, the first unloading mechanism is including first flitch and first mounting panel, first mounting panel passes through the bolt and is connected with processing platform rear surface right side, be provided with first telescopic link in the first mounting panel upside, the output of first telescopic link is connected with the pushing plate, pushing plate rear surface upside is provided with first striker plate, set up flutedly in the middle of the terminal surface under the first flitch, the pushing plate sets up in the recess, a plurality of feed holes first have been seted up to first flitch up end equidistance, first flitch lower extreme and processing platform fixed connection.
Preferably, the second unloading mechanism is including second flitch and second telescopic link, a plurality of unloading holes second have been seted up to second flitch up end equidistance, the second flitch lower extreme is provided with the bottom plate, a plurality of second removal grooves have been seted up to bottom plate upper surface equidistance, the removal groove has been seted up to bottom plate rear surface upside, it is provided with the second striker plate to shift out the inslot activity, the second telescopic link surface is provided with the locating plate, terminal surface and processing platform fixed connection under the locating plate.
Preferably, a plurality of semicircular grooves used for pushing are formed in the right side of the second striker plate at equal intervals, a pushing plate is arranged at the output end of the second telescopic rod, and the upper end face of the pushing plate is fixedly connected with the rear side of the lower surface of the second striker plate.
Preferably, the feeding mechanism comprises a fixing rod, a first fixing plate, a rotating rod and a stepping motor, wherein a plurality of fixing holes are formed in the upper surface of the fixing plate at equal intervals, a plurality of vacuum suckers are fixedly arranged in the fixing holes, connecting rods are hinged to the left side and the right side of the left surface of the fixing plate, a second mounting plate is arranged in the middle of the rear surface of the fixing rod, the upper surface of the second mounting plate is fixedly connected with the middle front side of the lower surface of the processing table, an output shaft of the stepping motor is arranged in the left end of the fixing rod through a bearing, and the front end of the output shaft of the stepping motor and the front end of the rotating rod are fixedly connected with one end of the two connecting rods, which are far away from the fixing plate, respectively.
Preferably, a first gear is arranged at the rear side of the outer surface of the output shaft of the stepping motor, a second gear is arranged at the rear end of the outer surface of the rotating rod, and the first gear is connected with the second gear through a toothed belt.
Preferably, the connection ends of the plurality of vacuum chucks are connected with the vacuum generator through hoses.
Preferably, the press welding mechanism comprises a positioning frame plate, a third telescopic rod is fixed in the middle of the upper surface of the positioning frame plate, a plurality of guide holes are formed in the left side and the right side of the upper surface of the positioning plate at equal intervals, guide rods are movably arranged in the guide holes, a second fixed plate is arranged at the lower end of each guide rod and at the three output end of each telescopic rod, a plurality of press heads are arranged on the lower surface of each fixed plate at equal intervals, and the inner side of each fixed frame plate is fixedly connected with the right side surface of the processing table.
Preferably, the first blanking plate, the second blanking plate, the bottom plate, the fixed frame plate, the processing table and the second mounting plate are welded by arc welding.
(1) According to the utility model, the lithium batteries and the caps are automatically discharged through the first discharging mechanism and the second discharging mechanism, and when discharging is performed, the discharging of the lithium batteries and the caps can be performed, so that welding between the lithium batteries and the caps is performed, and the processing efficiency of the lithium batteries is improved.
(2) According to the utility model, through the feeding mechanism, a plurality of caps can be placed on a plurality of lithium batteries at the same time, so that the caps can be placed one by one instead of manual operation, the use requirement of workers is reduced, and the processing cost of the lithium batteries is further reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic perspective view of the rear surface of the present utility model;
FIG. 3 is an exploded view of the overall structure of the present utility model;
FIG. 4 is a cross-sectional view of a portion of the blanking mechanism of the present utility model;
FIG. 5 is a cross-sectional view of two parts of the blanking mechanism of the present utility model;
FIG. 6 is a structural view of a bonding mechanism according to the present utility model;
FIG. 7 is a structural view of a feeding mechanism of the present utility model;
fig. 8 is an exploded view of the structure of the feeding mechanism of the present utility model.
Description of the figure: 100. a processing table; 200. a first blanking mechanism; 201. a first blanking plate; 202. a pushing plate; 203. a first striker plate; 204. a first telescopic rod; 205. a first mounting plate; 300. a second blanking mechanism; 301. a second blanking plate; 302. a second moving groove; 303. a second striker plate; 304. a second telescopic rod; 305. a push plate; 400. a feeding mechanism; 401. a second mounting plate; 402. a fixed rod; 403. a connecting rod; 404. a first fixing plate; 405. a vacuum chuck; 406. a stepping motor; 407. a first gear; 408. a toothed belt; 409. a second gear; 410. a rotating rod; 500. a pressure welding mechanism; 501. positioning a frame plate; 502. a guide rod; 503. a second fixing plate; 504. and pressing the welding head.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Some embodiments of the present application are described in detail below with reference to the attached drawing figures:
examples
Referring to fig. 1-8, a lithium battery cap press-welding device includes: the device comprises a processing table 100, a first blanking mechanism 200, a second blanking mechanism 300, a feeding mechanism 400 and a pressure welding mechanism 500;
the first blanking mechanism 200 is arranged on the left side of the upper surface of the processing table 100 and is fixedly connected with the processing table, and is used for automatically feeding the lithium batteries;
the second blanking mechanism 300 is arranged on the right side of the upper surface of the processing table 100 and is fixedly connected with the processing table, and is used for automatically blanking caps;
the feeding mechanism 400 is arranged in the middle of the front side of the lower surface of the processing table 100 and fixedly connected with the processing table, and is used for automatically butting the cap with the lithium battery;
the pressure welding mechanism 500 is arranged at the front side of the right surface of the processing table 100 and is fixedly connected with the processing table, and is used for welding between the lithium battery and the cap;
a plurality of first movable grooves are formed in the right side of the upper surface of the processing table 100, the second blanking mechanism 300 is arranged above the plurality of pushing grooves, and supporting legs are arranged around the lower surface of the processing table 100.
The first blanking mechanism 200 comprises a first blanking plate 201 and a first mounting plate 205, the first mounting plate 205 is connected with the right side of the rear surface of the processing table 100 through bolts, a first telescopic rod 204 is arranged in the upper side of the first mounting plate 205, the output end of the first telescopic rod 204 is connected with a blanking plate 202, a first baffle 203 is arranged on the upper side of the rear surface of the blanking plate 202, a groove is formed in the middle of the lower end surface of the first blanking plate 201, the blanking plate 202 is arranged in the groove, a plurality of blanking holes I are formed in the upper end surface of the first blanking plate 201 at equal intervals, the lower end of the first blanking plate 201 is fixedly connected with the processing table 100, a lithium battery in the first blanking plate 201 can be automatically fed to a welding point through the first blanking mechanism 200 for pressure welding treatment, and the first baffle 203 can block the lithium battery above when pushing out the lithium battery at the lowest end of the first blanking plate 201, so that the lithium battery above is prevented from falling down.
The second blanking mechanism 300 comprises a second blanking plate 301 and a second telescopic rod 304, a plurality of blanking holes II are formed in the upper end face of the second blanking plate 301 at equal intervals, a bottom plate is arranged at the lower end of the second blanking plate 301, a plurality of second movable grooves 302 are formed in the upper surface of the bottom plate at equal intervals, a moving-out groove is formed in the upper side of the rear surface of the bottom plate, a second baffle plate 303 is movably arranged in the moving-out groove, a positioning plate is arranged on the outer surface of the second telescopic rod 304, the lower end face of the positioning plate is fixedly connected with the processing table 100, a cap in the second blanking plate 301 can be automatically pushed to the lower side of the upper portion of the blanking mechanism 400 through the second blanking mechanism 300, the cap can be automatically placed on a lithium battery at a welding point through the feeding mechanism 400, and the second baffle plate 303 can block the cap above the cap at the lower side of the lower end of the second blanking plate 301 while preventing the cap above from falling down.
A plurality of semicircular grooves for pushing materials are formed in the right side of the second striker plate 303 at equal intervals, a push plate 305 is arranged at the output end of the second telescopic rod 304, the upper end face of the push plate 305 is fixedly connected with the rear side of the lower surface of the second striker plate 303, and the first telescopic rod 204, the second telescopic rod 304 and the telescopic rod are all electric telescopic rods when in use.
The feeding mechanism 400 comprises a fixing rod 402, a first fixing plate 404, a rotating rod 410 and a stepping motor 406, wherein a plurality of fixing holes are formed in the upper surface of the first fixing plate 404 at equal intervals, vacuum suckers 405 are fixedly arranged in the plurality of fixing holes, connecting rods 403 are hinged to the left side and the right side of the front surface of the first fixing plate 404, a second mounting plate 401 is arranged in the middle of the rear surface of the fixing rod 402, the upper surface of the second mounting plate 401 is fixedly connected with the middle front side of the lower surface of the processing table 100, an output shaft of the stepping motor 406 is arranged in the left end of the fixing rod 402 through a bearing, the rotating rod 410 is arranged in the right end of the fixing rod 402 through a bearing, the front end of the output shaft of the stepping motor 406 and the front end of the rotating rod 410 are fixedly connected with one end of the two connecting rods 403 away from the first fixing plate 404 respectively, a plurality of caps pushed out can be automatically placed on a plurality of lithium batteries under the pressure welding mechanism 500 through the feeding mechanism 400, welding of the caps can be conveniently carried out once, and the production efficiency of the lithium batteries is improved.
The rear side of the outer surface of the output shaft of the stepping motor 406 is provided with a first gear 407, the rear end of the outer surface of the rotating rod 410 is provided with a second gear 409, the first gear 407 is connected with the second gear 409 through a toothed belt 408, and the first gear 407 drives the second gear 409 to synchronously rotate when rotating through the toothed belt 408.
The connection ends of the plurality of vacuum chucks 405 are connected with a vacuum generator through a hose, and vacuum is formed in the plurality of vacuum chucks 405 through the vacuum generator so as to suck the plurality of caps.
The press welding mechanism 500 comprises a positioning frame plate 501, wherein a telescopic rod III is fixed in the middle of the upper surface of the positioning frame plate 501, a plurality of guide holes are formed in the left side and the right side of the upper surface of the positioning plate at equal intervals, guide rods 502 are movably arranged in the guide holes, a fixing plate II 503 is arranged at the lower end of the guide rods 502 and the output end of the telescopic rod III, a plurality of press welding heads 504 are equidistantly arranged on the lower surface of the fixing plate II 503, the inner side of the fixing frame plate is fixedly connected with the right side surface of the processing table 100, and the telescopic rod III descends through the plurality of press welding heads 504, so that press welding treatment is carried out on a plurality of caps. The first blanking plate 201 and the processing table 100, the second blanking plate 301 and the bottom plate, the bottom plate and the processing table 100, the fixed frame plate and the processing table 100, and the second mounting plate 401 and the processing table 100 are all welded by arc welding.
When the device is used, the storage battery to be processed is placed into a plurality of first blanking holes on the first blanking plate 201, the cap to be welded is placed into a plurality of blanking Kong Erna on the second blanking plate 301, the lithium battery at the lowest end in the first blanking plate 201 falls into a plurality of pushing holes on the baffle plate, the cap at the lowest end in the second blanking plate 301 falls into a plurality of pushing grooves at the front end of the push plate 305, the first telescopic rod 204 and the second telescopic rod 304 are connected with power, the output shaft of the first telescopic rod 204 stretches out to push the pushing plate 202 to move towards the press welding mechanism 500, the pushing plate 202 pushes a plurality of lithium batteries to the position right below the press welding mechanism 500 through a plurality of moving grooves, the output shaft of the second telescopic rod 304 stretches out to push the second baffle plate 303 to move towards the position right below the vacuum chuck 405 through the push plate 305, the second baffle plate 303 pushes the cap to the position right below the vacuum chuck 405 through the second moving groove 302, at this time, the stepping motor 406 is powered on to drive the first gear 407 and the connecting rod 403 connected with the first gear 407 to rotate anticlockwise, the first gear 407 drives the toothed belt 408 to operate, then drives the second gear 409 to rotate anticlockwise synchronously with the rotating rod 410, the rotating rod 410 drives the connecting rod 403 connected with the first gear 410 to rotate anticlockwise, so that the two connecting rods 403 rotate anticlockwise synchronously, the two connecting rods 403 drive the first fixing plate 404 hinged with the first connecting rod 403 to press downwards in the direction of the caps, so that the plurality of vacuum chucks 405 are tightly contacted with the plurality of caps pushed out, then the vacuum generator is started to form vacuum inside the plurality of vacuum chucks 405, so that the plurality of caps are adsorbed, then the stepping motor 406 is started to start the clockwise rotating part again, so that the two connecting rods 403 rotate clockwise, the two connecting rods 403 drive the first fixing plate 404 hinged to move to the right, and the first fixing plate 404 is pressed downwards, the cap on the vacuum chuck 405 moves to the upper ends of the lithium batteries, the vacuum generated gas is closed, the vacuum chuck 405 stops adsorbing the caps, the caps are placed on the lithium batteries, then the stepping motor 406 starts a anticlockwise rotating part, the vacuum chuck 405 resets with the second fixing plate 503, after the feeding mechanism 400 resets, the first fixing plate 404 is pushed by the third starting output shaft of the telescopic rod to move downwards, the guide rods 502 move in the guide holes, the welding heads 504 move downwards, the lithium batteries with the caps are welded and pressed through the welding heads 504, so that welding between the lithium batteries and the caps is finished at one time, the production efficiency of the lithium batteries is greatly improved, the use requirement of workers is reduced, and the processing cost of the lithium batteries is further reduced by automatically completing the placement of the caps and the blanking of the lithium batteries instead of manual cap placement.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.
Claims (9)
1. The utility model provides a lithium cell lid pressure welding device which characterized in that includes: a processing table (100), a first blanking mechanism (200), a second blanking mechanism (300), a feeding mechanism (400) and a pressure welding mechanism (500); the first blanking mechanism (200) is arranged on the left side of the upper surface of the processing table (100) and is fixedly connected with the processing table for automatic feeding of the lithium battery; the second blanking mechanism (300) is arranged on the right side of the upper surface of the processing table (100) and is fixedly connected with the processing table for automatic blanking of the caps; the feeding mechanism (400) is arranged in the middle of the front side of the lower surface of the processing table (100) and fixedly connected with the processing table, and is used for automatically butting the cap with the lithium battery; the pressure welding mechanism (500) is arranged at the front side of the right surface of the processing table (100) and is fixedly connected with the processing table, and is used for welding between the lithium battery and the cap;
the right side of the upper surface of the processing table (100) is provided with a plurality of first movable grooves, the second blanking mechanism (300) is arranged above the plurality of pushing grooves, and supporting legs are arranged around the lower surface of the processing table (100).
2. The lithium battery cap press-welding device according to claim 1, wherein: the first blanking mechanism (200) comprises a first blanking plate (201) and a first mounting plate (205), the first mounting plate (205) is connected with the right side of the rear surface of the processing table (100) through bolts, a first telescopic rod (204) is arranged in the upper side of the first mounting plate (205), the output end of the first telescopic rod (204) is connected with a blanking plate (202), the upper side of the rear surface of the blanking plate (202) is provided with a first baffle plate (203), a groove is formed in the middle of the lower end surface of the first blanking plate (201), the blanking plate (202) is arranged in the groove, a plurality of blanking holes I are formed in the upper end surface of the first blanking plate (201) at equal intervals, and the lower end of the first blanking plate (201) is fixedly connected with the processing table (100).
3. The lithium battery cap press-welding device according to claim 1, wherein: the second blanking mechanism (300) comprises a second blanking plate (301) and a second telescopic rod (304), a plurality of blanking holes II are formed in the upper end face of the second blanking plate (301) at equal intervals, a bottom plate is arranged at the lower end of the second blanking plate (301), a plurality of second movable grooves (302) are formed in the upper surface of the bottom plate at equal intervals, a moving-out groove is formed in the upper side of the rear surface of the bottom plate, a second baffle plate (303) is movably arranged in the moving-out groove, and a positioning plate is arranged on the outer surface of the second telescopic rod (304) and fixedly connected with the processing table (100).
4. A lithium battery cap press-welding device according to claim 3, wherein: a plurality of semicircular grooves for pushing are formed in the right side of the second striker plate (303) at equal intervals, a pushing plate (305) is arranged at the output end of the second telescopic rod (304), and the upper end face of the pushing plate (305) is fixedly connected with the rear side of the lower surface of the second striker plate (303).
5. The lithium battery cap press-welding device according to claim 1, wherein: feed mechanism (400) are including dead lever (402), dead plate one (404), rotary rod (410) and step motor (406), a plurality of fixed orifices have been seted up to dead plate one (404) upper surface equidistance, and is a plurality of all fixed vacuum chuck (405) that are provided with in the fixed orifices, dead plate one (404) front surface left and right sides all articulates there is connecting rod (403), be provided with second mounting panel (401) in the middle of dead lever (402) rear surface, front side fixed connection in the middle of second mounting panel (401) upper surface and processing platform (100) lower surface, the output shaft of step motor (406) passes through the bearing setting in dead lever (402) left end, rotary rod (410) are kept away from dead lever one (404) one end fixed connection through bearing setting in dead lever (402) output shaft front end and rotary rod (410) front end respectively with two connecting rods (403).
6. The lithium battery cap press-welding device according to claim 5, wherein: the rear side of the outer surface of the output shaft of the stepping motor (406) is provided with a first gear (407), the rear end of the outer surface of the rotating rod (410) is provided with a second gear (409), and the first gear (407) is connected with the second gear (409) through a toothed belt (408).
7. The lithium battery cap press-welding device according to claim 5, wherein: the connecting ends of the vacuum sucking discs (405) are connected with a vacuum generator through hoses.
8. A lithium battery cap press-welding device according to claim 3, wherein: the welding mechanism (500) comprises a positioning frame plate (501), a third telescopic rod is fixedly arranged in the middle of the upper surface of the positioning frame plate (501), a plurality of guide holes are formed in the left side and the right side of the upper surface of the positioning frame plate at equal intervals, guide rods (502) are movably arranged in the guide holes, a plurality of fixing plates II (503) are arranged at the lower ends of the guide rods (502) and the three output ends of the telescopic rods, a plurality of welding heads (504) are arranged on the lower surface of the fixing plates II (503) at equal intervals, and the inner sides of the fixing frame plates are fixedly connected with the right side surface of the processing table (100).
9. The lithium battery cap press-welding device according to claim 2, wherein: welding is carried out between the first blanking plate (201) and the processing table (100), between the second blanking plate (301) and the bottom plate, between the bottom plate and the processing table (100), between the fixed frame plate and the processing table (100) and between the second mounting plate (401) and the processing table (100) through arc welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222030080.8U CN219465032U (en) | 2022-08-03 | 2022-08-03 | Lithium battery cap pressure welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222030080.8U CN219465032U (en) | 2022-08-03 | 2022-08-03 | Lithium battery cap pressure welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219465032U true CN219465032U (en) | 2023-08-04 |
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ID=87462672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222030080.8U Active CN219465032U (en) | 2022-08-03 | 2022-08-03 | Lithium battery cap pressure welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219465032U (en) |
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2022
- 2022-08-03 CN CN202222030080.8U patent/CN219465032U/en active Active
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