CN112186274B - Film-covering heat-sealing clamping mechanism for lead-acid storage battery - Google Patents
Film-covering heat-sealing clamping mechanism for lead-acid storage battery Download PDFInfo
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- CN112186274B CN112186274B CN202010949246.9A CN202010949246A CN112186274B CN 112186274 B CN112186274 B CN 112186274B CN 202010949246 A CN202010949246 A CN 202010949246A CN 112186274 B CN112186274 B CN 112186274B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention relates to the technical field of lead-acid storage batteries, and discloses a film-coating heat-sealing clamping mechanism for a lead-acid storage battery, which comprises a shell, wherein the shell is of a rectangular hollow structure, the top surface of the shell is open, two sides of the interior of the shell are respectively provided with an inner groove, each inner groove is a rectangular groove, a clamping block is movably clamped in the inner groove, the clamping block is of a rectangular structure, the inner groove is formed in the shell, the inner groove is internally provided with a plurality of clamping blocks, the positions of the clamping blocks can be adjusted according to actual conditions, one side of each clamping block is provided with an outer column, four outer columns are arranged, every two outer columns form a group, one group of outer columns are fixedly arranged on one side of the clamping block, the other group of outer columns are fixedly arranged on one side of the interior of the shell, the inner columns are internally provided with inner columns, one end of each inner column is provided with an extrusion block, a battery needing film coating heat sealing is placed between the two extrusion blocks, one end of each inner column is provided with a spring, the two extrusion blocks are close to each other under the force of the spring, so that the effect of clamping and fixing is achieved.
Description
Technical Field
The invention relates to the technical field of lead-acid storage batteries, in particular to a film covering, heat sealing and clamping mechanism for a lead-acid storage battery.
Background
Batteries using aqueous acid as electrolyte are generally referred to as acid batteries, and most typically lead-acid batteries. The main advantages of the acid accumulator are high working voltage, wide use temp., good high-low rate discharge performance, rich raw material source and low cost. The lead-acid accumulator has the disadvantages of low energy density, large volume and weight, the positive electrode of the lead-acid accumulator is lead dioxide, the negative electrode of the lead-acid accumulator is spongy lead, the electrolyte is sulfuric acid water solution, the separator (diaphragm) is made of microporous rubber separator, microporous plastic separator or other materials according to different types of lead accumulators, the battery shell is made of hard rubber, engineering plastics, glass fiber reinforced plastics and other materials, the lead-acid accumulator is a kind of accumulator with sulfuric acid solution as electrolyte, and the lead-acid accumulator is most obviously characterized in that the top of the lead-acid accumulator is provided with a unscrewable plastic sealing cover and an air vent. These liquid filling caps are used for filling pure water, checking electrolyte and discharging gas, and have a wide range of applications, including some tractors, tricycles, automobile starting, and the like.
The battery need encapsulate the battery at the in-process of production, the encapsulation mainly divide into tectorial membrane encapsulation and rubber coating encapsulation, it cliies the battery to need to use fixture when carrying out the tectorial membrane heat-seal to the battery, current lead acid battery top is when needs tectorial membrane heat-seal, generally all manual work is processed, the easy atress of top cap department of battery leads to crooked like this, can cause the decline of heat-seal effect like this, impel yield greatly reduced, inside liquid reveals easily and causes the potential safety hazard, on the other hand is carrying out tectorial membrane heat-seal to the battery at the staff after, the battery can remain the heat owing to the heat-seal back, tectorial membrane heat-seal inefficiency, we need a lead acid battery tectorial membrane heat-seal fixture for this reason.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a film covering and heat sealing clamping mechanism for a lead-acid storage battery, which has the advantages of tightening and heat dissipation of the battery and the like, and solves the problems that the storage battery needs to be clamped by the clamping mechanism when the film covering and heat sealing are carried out on the storage battery, the top end of the conventional lead-acid storage battery is generally processed manually when the film covering and heat sealing are needed, the top cover of the battery is easy to be stressed to cause deflection, the heat sealing effect is reduced, the finished product rate is greatly reduced, and the liquid in the battery is easy to leak to cause potential safety hazards.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a film-covering heat-sealing clamping mechanism for a lead-acid storage battery comprises a shell, wherein the shell is of a rectangular hollow structure, the top surface of the shell is open, inner grooves are formed in two sides of the interior of the shell, each inner groove is a rectangular groove, a clamping block is movably clamped in the interior of each inner groove, each clamping block is of a rectangular structure, outer columns are fixedly arranged on two sides of one side of each clamping block, each outer column is of a cylindrical hollow structure, four outer columns are arranged, every two outer columns form a group, one group of outer columns are fixedly arranged on one side of each clamping block, the other group of outer columns are fixedly arranged on one side of the interior of the shell, inner columns are arranged in the outer columns, each inner column is of a cylindrical structure, outer column holes are formed in one side of each inner column, each outer column hole is a circular through hole, the inner columns and the outer columns are movably clamped together through the outer column holes, a limiting block is fixedly arranged at one end of each inner column, each limiting block is a circular block and used for limiting the inner columns not to be separated from the interiors of the outer columns, one side fixed mounting of stopper has the spring, and the spring is not done here for current structure and is repeated, and the other end of spring is in the same place with one side fixed mounting of outer post inside, and the other end fixed mounting of interior post has the extrusion piece, and the extrusion piece is the rectangular block, and the top surface fixed mounting of extrusion piece has the triangle-shaped piece, and the triangle-shaped piece is the triangle-shaped piece.
Preferably, the apical pore has all been seted up to the top surface both sides of casing, and the apical pore is the rectangular channel, and the inside activity joint of apical pore has the backup pad, and the backup pad is the rectangle structure, and the bottom surface fixed mounting of backup pad has the limiting plate, and the limiting plate is the rectangle structure.
Preferably, the two sides of the supporting plate are fixedly provided with edge blocks, the edge blocks are of rectangular structures made of rubber, the top surface of the supporting plate is fixedly provided with heat dissipation blocks, the heat dissipation blocks are of rectangular hollow structures, and one sides of the heat dissipation blocks are open.
Preferably, a motor is fixedly mounted on one side of the inside of the heat dissipation block, the motor is of an existing structure and is not described herein any more, a rotating column is fixedly mounted at one end of a motor shaft, and the rotating column is of a cylindrical structure.
Preferably, the outer circular wall surface of the rotating column is fixedly provided with four blades, the blades are of a rectangular structure, the four blades are arranged on the outer circular wall surface of the rotating column at equal angles, and the interval angle between every two blades is ninety degrees.
Preferably, the clamping holes are formed in four corners of one side of the radiating block and are circular grooves, and the frame is arranged on one side of the radiating block and is of a rectangular frame structure.
Preferably, four corners of one side of the frame are fixedly provided with fixing columns, the fixing columns are of cylindrical structures, and the radiating block and the frame are movably clamped together through clamping holes and the fixing columns.
Preferably, the outer cylindrical wall surface of the fixed column is fixedly provided with a fixed outer column, the fixed outer column is of a rubber round tube type structure, an iron net is arranged inside the frame, and the iron net is of an existing structure and is not described herein any more.
(III) advantageous effects
Compared with the prior art, the invention provides a film covering, heat sealing and clamping mechanism for a lead-acid storage battery, which has the following beneficial effects:
1. this lead acid battery tectorial membrane heat-seal fixture, the inside groove has been seted up through the inside of casing, the inside of inside groove is provided with the fixture block, the inside groove has a plurality of, can adjust the position of fixture block according to actual conditions, one side of fixture block is provided with the outer post, the outer post has four, per two outer posts are a set of, a set of outer post fixed mounting is in one side of fixture block, another outer post fixed mounting of group is in the inside one side of casing, be provided with the inner post in the outer post, the one end of inner post is provided with the extrusion piece, the battery that will need the tectorial membrane heat-seal is placed between two extrusion pieces, the one end of inner post is provided with the spring, two extrusion pieces are close to each other by the power of spring, reach the fixed effect of centre gripping.
2. This lead acid battery tectorial membrane heat-seal fixture, be provided with the radiating block through on the casing, the inside motor that is provided with of radiating block, the epaxial rotation post that is provided with of motor, the excircle wall of rotation post is provided with the blade, the blade has four, the equal angular arrangement of four blades is at the excircle wall of rotation post, alternate angle is ninety degrees between every blade, it rotates to drive the rotation post when the motor, the rotation post drives the blade and rotates, can produce the distinguished and admirable in the blade pivoted, the distinguished and admirable can cool down the battery after the heat-seal, reach rapid cooling, improve the effect of heat-seal work.
3. This lead acid battery tectorial membrane heat-seal fixture has seted up the card hole through one side of radiating block, and one side fixed mounting of frame has the fixed column, and the radiating block passes through the fixed column with the frame and blocks hole activity joint together, reaches the effect of convenient dismantlement, and the excircle wall of fixed column is provided with fixed outer column, and fixed outer column is the tubular structure of rubber system, when the outside fixed outer column of the inside extrusion fixed column in card hole, can produce frictional force, reaches the effect that is difficult for droing.
4. This lead acid battery tectorial membrane heat-seal fixture, upside through the casing is provided with the backup pad, the apical pore has been seted up on the casing, the backup pad passes through apical pore activity joint with the casing and is in the same place, the bottom surface of backup pad is provided with the limiting plate, the limiting plate is used for restricting the backup pad and does not deviate from the inside of apical pore, the both sides of backup pad all are provided with the limit piece, when rising or reduce the backup pad position, because the limit piece is the rectangular block of rubber system, limit piece and apical pore friction can produce the resistance, make things convenient for the fixed bolster height, reach the effect according to the radiating block height in the battery size adjustment backup pad.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a three-dimensional split structure according to the present invention;
FIG. 3 is a schematic diagram of a fixture block structure according to the present invention;
FIG. 4 is a schematic view of the outer column structure of the present invention;
FIG. 5 is a schematic view of a heat sink block according to the present invention;
FIG. 6 is a partial schematic view of A in FIG. 2;
fig. 7 is a partial structural diagram of B in fig. 5.
In the figure: 1. a housing; 2. an inner tank; 3. a clamping block; 4. an outer column; 5. an outer post hole; 6. an inner column; 7. a limiting block; 8. a spring; 9. extruding the block; 10. a triangular block; 11. a top hole; 12. a support plate; 13. a limiting plate; 14. an edge block; 15. a heat dissipating block; 16. a motor; 17. rotating the column; 18. a blade; 19. a clamping hole; 20. a frame; 21. fixing a column; 22. and fixing the outer column.
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.
Referring to fig. 1-7, a film-covering heat-sealing clamping mechanism for a lead-acid storage battery comprises a housing 1, wherein the housing 1 is of a rectangular hollow structure, the top surface of the housing 1 is open, two inner grooves 2 are formed on two sides of the interior of the housing 1, each inner groove 2 is a rectangular groove, a clamping block 3 is movably clamped in the interior of each inner groove 2, each clamping block 3 is of a rectangular structure, outer posts 4 are fixedly mounted on two sides of one side of each clamping block 3, each outer post 4 is of a cylindrical hollow structure, four outer posts 4 are provided, each two outer posts 4 form a group, one group of outer posts 4 is fixedly mounted on one side of each clamping block 3, the other group of outer posts 4 is fixedly mounted on one side of the interior of the housing 1, inner posts 6 are arranged in the interior of the outer posts 4, each inner post 6 is of a cylindrical structure, one side of each inner post 6 is provided with an outer post hole 5, each outer post hole 5 is a circular through hole, the inner posts 6 and the outer posts 4 are movably clamped together through the outer post holes 5, one end of each inner post 6 is fixedly mounted with a limiting block 7, stopper 7 is the circular block, and stopper 7 is used for restricting interior post 6 and does not deviate from the inside of outer post 4, and one side fixed mounting of stopper 7 has spring 8, and spring 8 does not do the perk here for current structure, and spring 8's the other end is in the same place with 4 inside one side fixed mounting of outer post, and the other end fixed mounting of interior post 6 has extrusion piece 9, and extrusion piece 9 is the rectangular block, and extrusion piece 9's top surface fixed mounting has triangle piece 10, and triangle piece 10 is the triangle piece.
Further, in above-mentioned scheme, apical pore 11 has all been seted up to the top surface both sides of casing 1, and apical pore 11 is the rectangular channel, and the inside activity joint of apical pore 11 has backup pad 12, and backup pad 12 is the rectangle structure, and the bottom surface fixed mounting of backup pad 12 has limiting plate 13, and limiting plate 13 is the rectangle structure, and limiting plate 13 is used for restricting backup pad 12 and does not deviate from the inside of apical pore 11.
Further, in the above scheme, both sides of the support plate 12 are fixedly provided with the side block 14, the side block 14 is of a rectangular structure made of rubber, the top surface of the support plate 12 is fixedly provided with the heat dissipation block 15, the heat dissipation block 15 is of a rectangular hollow structure, one side of the heat dissipation block 15 is open, and the heat dissipation block 15 is used for arranging a heat dissipation mechanism.
Further, in the above solution, a motor 16 is fixedly installed on one side of the inside of the heat dissipation block 15, the motor 16 is of a conventional structure, which is not described herein, a rotation post 17 is fixedly installed at one end of a shaft of the motor 16, the rotation post 17 is of a cylindrical structure, the rotation post 17 is used for supporting the blade 18, an inner groove 2 is formed through the inside of the housing 1, the inside of the inner groove 2 is provided with a plurality of clamping blocks 3, the position of the clamping block 3 can be adjusted according to actual conditions, one side of the clamping block 3 is provided with outer posts 4, four outer posts 4 are provided, every two outer posts 4 are in one group, one group of outer posts 4 is fixedly installed on one side of the clamping block 3, the other group of outer posts 4 is fixedly installed on one side of the inside of the housing 1, an inner post 6 is arranged in the outer post 4, one end of the inner post 6 is provided with a squeezing block 9, a battery to be heat-sealed and coated is placed between the two squeezing blocks 9, one end of the inner post 6 is provided with a spring 8, the two squeezing blocks 9 are close to each other under the force of the spring 8, so that the clamping and fixing effects are achieved.
Further, in the above solution, the blades 18 are fixedly installed on the outer circumferential wall surface of the rotating column 17, the blades 18 have a rectangular structure, there are four blades 18, the four blades 18 are arranged on the outer circumferential wall surface of the rotating column 17 at equal angles, the angle between each blade 18 is ninety degrees, and the blades 18 rotate to generate wind flow.
Further, in the above scheme, the four corners of one side of the heat dissipation block 15 are all provided with the clamping holes 19, the clamping holes 19 are circular grooves, one side of the heat dissipation block 15 is provided with the frame 20, and the frame 20 is in a rectangular frame structure and is used for ventilation.
Furthermore, in the above scheme, the four corners of one side of the frame 20 are fixedly provided with the fixing columns 21, the fixing columns 21 are of cylindrical structures, and the heat dissipation block 15 and the frame 20 are movably clamped together through the clamping holes 19 and the fixing columns 21, so that the disassembly is convenient.
Further, in the above scheme, the outer circumferential wall surface of the fixed column 21 is fixedly provided with a fixed outer column 22, the fixed outer column 22 is a rubber circular tube type structure, an iron net 23 is arranged inside the frame 20, and the iron net 23 is an existing structure and is not described herein again.
When using, one side through fixture block 3 is provided with outer post 4, outer post 4 has four, per two outer posts 4 are a set of, 4 fixed mounting in one side of fixture block 3 of a set of outer post, 4 fixed mounting in one side of casing 1 inside of another group of outer post, be provided with interior post 6 in the outer post 4, the one end of interior post 6 is provided with extrusion piece 9, the battery that will need the tectorial membrane heat-seal is placed between two extrusion pieces 9, the one end of interior post 6 is provided with spring 8, two extrusion pieces 9 receive spring 8's power to be close to each other, reach the fixed effect of centre gripping.
Through being provided with the radiating block 15 on casing 1, the inside motor 16 that is provided with of radiating block 15, the epaxial rotation post 17 that is provided with of motor 16, the excircle wall of rotation post 17 is provided with blade 18, blade 18 has four, the excircle wall at rotation post 17 is arranged to angles such as four blade 18, alternate angle is ninety degrees between every blade 18, it rotates to drive rotation post 17 when motor 16, rotation post 17 drives blade 18 and rotates, can produce the distinguished and admirable when blade 18 rotates, the distinguished and admirable can cool down to the battery after the heat-seal, reach rapid cooling, improve the effect of heat-seal work.
Upside through casing 1 is provided with backup pad 12, apical pore 11 has been seted up on casing 1, backup pad 12 is in the same place through 11 activity joints of apical pore with casing 1, the bottom surface of backup pad 12 is provided with limiting plate 13, limiting plate 13 is used for restricting backup pad 12 and does not deviate from the inside of apical pore 11, the both sides of backup pad 12 all are provided with limit piece 14, when rising or when reducing backup pad 12 position, because limit piece 14 is the rectangle piece of rubber system, limit piece 14 can produce the resistance with 11 frictions of apical pore, make things convenient for the 12 heights of fixed support board, reach the effect according to 15 heights of radiating block on the battery size adjustment backup pad 12.
Be provided with the outer prop 4 through one side of fixture block 3, outer prop 4 has four, every two outer props 4 are a set of, and a set of outer prop 4 fixed mounting is in one side of fixture block 3, and another set of outer prop 4 fixed mounting is in one side of casing 1 inside, and two extrusion piece 9 receive the power of spring 8 to be close to each other, reach the fixed effect of centre gripping, and inside groove 2 has been seted up to casing 1's inside, and the inside of inside groove 2 is provided with fixture block 3, and inside groove 2 has a plurality of, can adjust the position of fixture block 3 according to the actual conditions of battery size.
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 (1)
1. The utility model provides a lead acid battery tectorial membrane heat-seal fixture, includes casing (1), its characterized in that: the inner side of the shell (1) is provided with inner grooves (2), the inner part of each inner groove (2) is movably clamped with a clamping block (3), the two sides of one side of each clamping block (3) are fixedly provided with outer columns (4), four outer columns (4) are provided, every two outer columns (4) form a group, one group of outer columns (4) is fixedly arranged on one side of one clamping block (3), the other group of outer columns (4) is fixedly arranged on one side of the other clamping block (3), inner columns (6) are arranged inside the outer columns (4), one side of each outer column (4) is provided with an outer column hole (5), the inner columns (6) and the outer columns (4) are movably clamped together through the outer column holes (5), one end of each inner column (6) is fixedly provided with a limiting block (7), one side of each limiting block (7) is fixedly provided with a spring (8), the other end of each spring (8) is fixedly arranged with one side inside of each outer column (4), the other end of the inner column (6) is fixedly provided with an extrusion block (9), and the top surface of the extrusion block (9) is fixedly provided with a triangular block (10);
both sides of the top surface of the shell (1) are provided with top holes (11), the top holes (11) are rectangular grooves, a supporting plate (12) is movably clamped in the top holes (11), and a limiting plate (13) is fixedly arranged on the bottom surface of the supporting plate (12);
the two sides of the supporting plate (12) are fixedly provided with edge blocks (14), and the top surface of the supporting plate (12) is fixedly provided with a heat dissipation block (15);
a motor (16) is fixedly installed on one side inside the heat dissipation block (15), and a rotating column (17) is fixedly installed at one end of a shaft of the motor (16);
the outer circle wall surface of the rotating column (17) is fixedly provided with four blades (18), the four blades (18) are arranged on the outer circle wall surface of the rotating column (17) at equal angles, and the interval angle between every two blades (18) is ninety degrees;
clamping holes (19) are formed in four corners of one side of the heat dissipation block (15), and a frame (20) is arranged on one side of the heat dissipation block (15);
four corners of one side of the frame (20) are fixedly provided with fixing columns (21), and the heat dissipation block (15) and the frame (20) are movably clamped together through clamping holes (19) and the fixing columns (21);
the outer circle wall surface of the fixed column (21) is fixedly provided with a fixed outer column (22), and an iron net (23) is arranged inside the frame (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010949246.9A CN112186274B (en) | 2020-09-10 | 2020-09-10 | Film-covering heat-sealing clamping mechanism for lead-acid storage battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010949246.9A CN112186274B (en) | 2020-09-10 | 2020-09-10 | Film-covering heat-sealing clamping mechanism for lead-acid storage battery |
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| CN112186274A CN112186274A (en) | 2021-01-05 |
| CN112186274B true CN112186274B (en) | 2021-09-28 |
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| CN112895968A (en) * | 2021-01-21 | 2021-06-04 | 陈为全 | New forms of energy electric automobile changes battery device |
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| CN110994003A (en) * | 2019-11-29 | 2020-04-10 | 友信宏科新能源（徐州）有限公司 | Tool for assembling power lithium battery |
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| TW201743498A (en) * | 2016-04-01 | 2017-12-16 | Ａ１２３系統有限責任公司 | Battery module with heat dissipating encapsulant material and methods therefor |
| CN207409531U (en) * | 2017-07-10 | 2018-05-25 | 商丘市迈科新能源有限公司 | A kind of new energy battery positioning clamping device |
| CN207542349U (en) * | 2017-12-20 | 2018-06-26 | 山东德朗能电子有限公司 | A kind of lithium battery seals molding apparatus |
| CN108878989B (en) * | 2018-06-26 | 2024-02-23 | 浙江古越电源有限公司 | Heat sealing device for storage battery |
| CN110137579B (en) * | 2019-05-17 | 2021-06-22 | 长兴智轩机械科技有限公司 | Shell cover heat-sealing die based on storage battery |
| CN210074078U (en) * | 2019-07-10 | 2020-02-14 | 宿迁雷克电源有限公司 | Film-covering heat-sealing clamping mechanism for lead-acid storage battery |
| CN210224194U (en) * | 2019-07-30 | 2020-03-31 | 江西安驰新能源科技有限公司 | Button cell's equipment and closing device |
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| CN110994003A (en) * | 2019-11-29 | 2020-04-10 | 友信宏科新能源（徐州）有限公司 | Tool for assembling power lithium battery |
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