CN212366037U

CN212366037U - Shaping clamp for sealing lithium ion battery

Info

Publication number: CN212366037U
Application number: CN202020622667.6U
Authority: CN
Inventors: 郭道传; 陈太和
Original assignee: Jiangsu Golden Cel Battery Co ltd
Current assignee: Jiangsu Golden Cel Battery Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2021-01-15
Anticipated expiration: 2030-04-23

Abstract

The utility model belongs to the technical field of lithium ion battery makes, a be used for lithium ion battery to seal plastic anchor clamps is disclosed. The shaping clamp for sealing the lithium ion battery comprises a shaping box and the lithium ion battery, wherein a shaping cavity is formed in the shaping box, and the lithium ion battery is located at the center of the section of a horizontal axial shaft of the shaping cavity. This exert pressure through first hydraulic stem to the shaping plate makes the shaping plate extrude lithium ion battery's bellying, thereby reach the purpose of plastic, accomplish the back at preliminary plastic, drive the inside that the square bar inserted the draw-in groove through the second hydraulic stem, with gag lever post top draw-in groove, remove the fixed effect to the extension piece, so the slow pressure of continuously exerting of first hydraulic stem, further plasticity is carried out to lithium ion battery's surface, thereby reach a good plastic effect, and utilize the spring to alleviate pressure when exerting pressure, avoid pressure too big to cause the injury to lithium ion battery's inside.

Description

Shaping clamp for sealing lithium ion battery

Technical Field

The utility model relates to a technical field that lithium ion battery made specifically is a be used for lithium ion battery to seal plastic anchor clamps.

Background

Lithium ion batteries have been introduced in the late 80 s of the 20 th century, and have rapidly developed in the 90 s, and nowadays, lithium ion batteries have led to the market of small portable electronic devices, such as cellular phones, video cameras, portable notebooks, and the like, and have also been widely used in electric vehicles and hybrid electric vehicles, and since they have the advantages of low cost, little pollution, and the like, the market is very wide, and lithium ion batteries generate gas during the first charging process, and the generated gas is not completely discharged from the inside of the battery, and the battery may swell, so that the battery needs to be vacuumized and degassed before sealing, and the battery needs to be shaped.

At present, when carrying out the plastic operation to lithium ion battery, adopt two push pedals to extrude or compress tightly lithium ion battery usually to the realization is to lithium ion battery's plastic operation, but because when lithium ion battery's surface takes place deformation once more, thereby receive the influence of material easily and produce the bounce-back, so probably cause lithium ion battery to have slight resilience after the plastic, thereby influence the plastic effect.

Disclosure of Invention

Technical problem to be solved

The utility model provides a be used for lithium ion battery to seal plastic anchor clamps, it is effectual to possess the plastic, and advantages such as electrolyte reasonable collection have solved the phenomenon that resilience may appear in lithium ion battery's surface after the plastic.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a shaping clamp for sealing a lithium ion battery comprises a shaping box and a lithium ion battery, wherein a shaping cavity is formed in the shaping box, the lithium ion battery is located at the center of the horizontal axial section of the shaping cavity, shaping plates are arranged on two sides of the lithium ion battery, a through opening is formed in the top of the shaping cavity, and a limiting mechanism is arranged between the opposite side of the two shaping plates and the inner wall of the shaping cavity;

the limiting mechanism comprises a first hydraulic rod, the first hydraulic rod is fixedly installed on the inner wall of the shaping cavity, a hollow block is installed at the output end of the first hydraulic rod, an extending block is installed on one side, away from the lithium ion battery, of the shaping plate, the extending block is inserted into the hollow block, a spring is installed inside the hollow block, two ends of the spring are fixedly connected with the inner walls of the extending block and the hollow block respectively, sliding blocks are installed on two sides of the extending block respectively, sliding grooves are formed in the inner wall of the hollow block and in positions corresponding to the sliding blocks respectively, the sliding blocks are inserted into the sliding grooves, a fixed block is installed at one end, away from the spring, of each sliding groove, the sliding blocks are attached to the fixed blocks, a through groove is formed in the top of the hollow block, a clamping groove is formed in the top of the extending block in a penetrating mode, a transverse moving groove is formed in, the square bar has been installed to the bottom of second hydraulic stem, the square bar runs through logical groove and extends to the inside of draw-in groove, the width of square bar is less than the width in lateral shifting groove, the dead slot has been seted up to one side inner wall that the cavity piece is close to the draw-in groove, the gag lever post has been installed to the inside of dead slot, the top of gag lever post extends to the inside of draw-in groove, the width of gag lever post is greater than the width in lateral shifting groove, reset spring has been installed to the bottom of gag lever post.

Preferably, the shaping plate is of a square structure, and the shaping plate is welded with the extension block.

Preferably, the guide blocks are arranged on two sides of the shaping plate, the guide rails are arranged in the shaping cavity and corresponding to the built-in positions of the guide blocks, and the guide blocks are connected to the guide rails in a sliding mode.

Preferably, the limiting blocks are arranged on two sides of the limiting rod, the limiting grooves are formed in the hollow grooves and correspond to the limiting blocks, and the limiting blocks are inserted into the limiting grooves.

Preferably, a plurality of flow guide grooves are formed in one side wall of the shaping cavity, which is close to the bottom of the lithium ion battery, and the flow guide grooves are uniformly distributed on the inner wall of the shaping cavity.

Preferably, the diversion trench is arc-shaped, a concentration cavity is formed in the bottom of the shaping box, and the concentration cavity is located under the diversion trench.

Preferably, the concentration cavity is communicated with two ends of the diversion trench, a treatment pipe is installed at the bottom of the concentration cavity, and the treatment pipe is communicated with the lowest position of the vertical axial section of the concentration cavity.

(III) advantageous effects

By adopting the technical scheme, the beneficial effects of the utility model are that:

1. the shaping plate can extrude the lug boss of the lithium ion battery by applying pressure to the shaping plate through the first hydraulic rod, thereby achieving the purpose of shaping, after the primary shaping is finished, the square rod is driven by the second hydraulic rod to be inserted into the clamping groove, the clamping groove at the top of the limiting rod is used for releasing the fixing effect on the extension block, so that the first hydraulic rod slowly and continuously applies pressure, further plasticity is carried out on the outer surface of the lithium ion battery, thereby achieving a good shaping effect, and the pressure is relieved by the spring when the pressure is applied, the damage to the interior of the lithium ion battery caused by overlarge pressure is avoided, thus, the lithium ion battery is protected to have a good protection effect under the pressure operation while achieving a good shaping effect, compared with the prior art, the phenomenon that the outer surface of the lithium ion battery possibly rebounds after shaping is solved.

2. This through being provided with a plurality of guiding gutters, carry out the water conservancy diversion to the electrolyte that appears to the shaping in-process for electrolyte carries to the inside of concentrating the chamber along the arcwall face of guiding gutter, then carries out the inside of plastic case through handling the pipe in unison, has reached the rational utilization to the resource, and the practicality is strong, compares with prior art, has solved the problem that the electrolyte that produces is difficult to the clearance in the shaping process.

Drawings

FIG. 1 is a longitudinal sectional view of the present invention;

FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention;

fig. 3 is a cross-sectional view of the present invention.

In the figure: 1 plastic case, 2 lithium ion battery, 3 plastic chamber, 4 plastic board, 5 stop gear, 6 guide blocks, 7 guide rails, 8 stopper, 9 spacing groove, 10 guiding gutter, 11 concentrated chamber, 12 processing pipe, 13 through-hole, 51 first hydraulic stem, 52 hollow block, 53 extension piece, 54 spring, 55 slider, 56 fixed block, 57 logical groove, 58 draw-in groove, 59 lateral shifting groove, 510 second hydraulic stem, 511 square bar, 512 empty groove, 513 gag lever post, 514 reset spring, 515 spout.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a shaping clamp for sealing a lithium ion battery comprises a shaping box 1 and lithium ion batteries 2, wherein a shaping cavity 3 is formed in the shaping box 1, the lithium ion batteries 2 are located at the center of the horizontal axial section of the shaping cavity 3, shaping plates 4 are arranged on two sides of each lithium ion battery 2, a through opening 13 is formed in the top of each shaping cavity 3, the lithium ion batteries 2 are placed in the shaping box 1 through the through openings 13, and a limiting mechanism 5 is arranged between one side, opposite to each other, of each shaping plate 4 and the inner wall of each shaping cavity 3;

the limiting mechanism 5 comprises a first hydraulic rod 51, the first hydraulic rod 51 is fixedly installed on the inner wall of the shaping cavity 3, the output end of the first hydraulic rod 51 is provided with a hollow block 52, one side of the shaping plate 4, which is far away from the lithium ion battery 2, is provided with an extending block 53, the extending block 53 is inserted into the hollow block 52, the interior of the hollow block 52 is provided with a spring 54, two ends of the spring 54 are respectively and fixedly connected with the extending block 53 and the inner wall of the hollow block 52, two sides of the extending block 53 are respectively provided with a sliding block 55, the inner wall of the hollow block 52 and the position corresponding to each sliding block 55 are respectively provided with a sliding groove 515, the sliding block 55 is inserted into the sliding groove 515, one end of the sliding groove 515, which is far away from the spring 54, is provided with a fixed block 56, the sliding block 55 is attached to the fixed block 56, the top of the hollow block 52, the top of the shaping cavity 3 is fixedly provided with a second hydraulic rod 510, the bottom end of the second hydraulic rod 510 is provided with a square rod 511, the square rod 511 penetrates through the through groove 57 and extends into the clamping groove 58, the width of the square rod 511 is smaller than the width of the transverse moving groove 59, the inner wall of one side of the hollow block 52 close to the clamping groove 58 is provided with a hollow groove 512, the inside of the hollow groove 512 is provided with a limiting rod 513, the top of the limiting rod 513 extends into the clamping groove 58, the width of the limiting rod 513 is larger than the width of the transverse moving groove 59, the bottom of the limiting rod 513 is provided with a return spring 514, the shaping plate 4 is pressed by the first hydraulic rod 51 to extrude the convex part of the lithium ion battery 2, so that the shaping purpose is achieved, wherein the position of the extension block 53 in the hollow block 52 is fixed, because the limiting rod 513 is clamped into the clamping groove 58 under the action of the return spring 514, and the position of the, meanwhile, the limit block 8 moves up and down in the limit groove 9 to limit the extension length of the limit rod 19, so that when the square rod 511 presses the limit rod 513, the limit rod 513 can be smoothly pressed to be flush with the top of the hollow groove 512, after primary shaping is performed, the second hydraulic rod 510 operates downwards to drive the square rod 511 to move downwards, the square rod 511 penetrates through the through groove 57 to enter the inside of the clamping groove 58, pressure is applied to the limit rod 513, the limit rod 513 is positioned at the obstacle just separated from the clamping groove 58, therefore, when the shaping force of the first hydraulic rod 51 is increased, the extension block 53 moves towards the spring 54, the spring 54 is stressed to contract to buffer the pressure, meanwhile, the sliding block 55 moves inside the sliding groove 515 to limit the motion track of the extension block 53, the bottom end of the square rod 511 moves inside the transverse moving groove 59, and the top of the square rod 511 moves inside the through groove 57, thus, the damage to the inside of the lithium ion battery 2 caused by overlarge pressure is avoided, and the lithium ion battery 2 is protected to have a good protection effect under the pressure operation while a good shaping effect is achieved.

The shaping plate 4 is of a square structure, and the shaping plate 4 is welded with the extension block 53, so that the arrangement helps to improve the stability between the structures.

The guide blocks 6 are arranged on two sides of the shaping plate 4, guide rails 7 are arranged in the shaping cavity 3 and corresponding to the built-in positions of the guide blocks 6, and the guide blocks 6 are connected to the guide rails 7 in a sliding mode.

Stopper 8 has all been installed to the both sides of gag lever post 513, and spacing groove 9 has all been seted up to the inside of dead slot 512, the position department that corresponds each stopper 8, and stopper 8 inserts spacing groove 9, so sets up and to prescribe a limit to the motion trail of gag lever post 13, and prescribe a limit to reset spring 514's elastic deformation.

A plurality of guiding gutters 10 have been seted up to the bottom lateral wall that the plastic chamber 3 is close to lithium ion battery 2, and a plurality of guiding gutters 10 are evenly distributed and set up at the inner wall in plastic chamber 3, so set up can be with the better water conservancy diversion of electrolyte to the inside of concentrating chamber 11.

Guiding gutter 10 be the arc setting, and concentrated chamber 11 has been seted up to the bottom of plastic case 1, and concentrated chamber 11 is located guiding gutter 10 under, sets up the shape of guiding gutter 10 into the arc, helps improving water conservancy diversion efficiency, and the inside of guiding gutter 10 can not remain to some extent again to electrolyte.

The both ends of concentrated chamber 11 and guiding gutter 10 are linked together, and the bottom of concentrated chamber 11 is installed and is handled pipe 12, handles pipe 12 and the vertical axial cross section lowest position department of concentrated chamber 11 and is linked together, so set up to utilize to handle pipe 12 and carry the processing with electrolyte in unison.

The working principle is as follows: utilize first hydraulic stem 51 to drive shaping plate 4 and carry out preliminary plastic to lithium ion battery 2 surface, then drive square pipe through second hydraulic stem 510 and get into the inside of draw-in groove 58, extrude gag lever post 513 to the bottom parallel and level with dead slot 512, so the slow pressure of continuously applying of first hydraulic stem, carry out further plasticity to lithium ion battery 2's surface, utilize spring 54 to alleviate pressure when applying pressure, avoid pressure too big to cause the injury to lithium ion battery's inside.

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. The utility model provides a be used for lithium ion battery to seal plastic anchor clamps, includes plastic case (1) and lithium ion battery (2), its characterized in that: the shaping cavity (3) is formed in the shaping box (1), the lithium ion battery (2) is located at the center of the horizontal axial section of the shaping cavity (3), shaping plates (4) are arranged on two sides of the lithium ion battery (2), a through hole (13) is formed in the top of the shaping cavity (3), and a limiting mechanism (5) is arranged between the opposite side of the two shaping plates (4) and the inner wall of the shaping cavity (3);

the limiting mechanism (5) comprises a first hydraulic rod (51), the first hydraulic rod (51) is fixedly mounted on the inner wall of the shaping cavity (3), the output end of the first hydraulic rod (51) is provided with a hollow block (52), one side of the shaping plate (4) far away from the lithium ion battery (2) is provided with an extension block (53), the extension block (53) is inserted into the hollow block (52), the inside of the hollow block (52) is provided with a spring (54), two ends of the spring (54) are respectively fixedly connected with the inner walls of the extension block (53) and the hollow block (52), sliding blocks (55) are respectively arranged on two sides of the extension block (53), sliding grooves (515) are respectively arranged at the positions of the inner wall of the hollow block (52) and corresponding to the sliding blocks (55), the sliding blocks (55) are inserted into sliding grooves (515), and fixed blocks (56) are arranged at one ends, far away from the spring (54), of the sliding grooves (515), the slider (55) is attached to the fixing block (56), the top of the hollow block (52) is provided with a through groove (57), the top of the extension block (53) is provided with a clamping groove (58) in a penetrating manner, one side, close to the spring (54), of the clamping groove (58) is provided with a transverse moving groove (59), the top of the shaping cavity (3) is fixedly provided with a second hydraulic rod (510), the bottom end of the second hydraulic rod (510) is provided with a square rod (511), the square rod (511) is provided with a penetrating groove (57) in a penetrating manner and extends to the inside of the clamping groove (58), the width of the square rod (511) is smaller than the width of the transverse moving groove (59), the inner wall of one side, close to the clamping groove (58), of the hollow block (52) is provided with a hollow groove (512), a limiting rod (513) is arranged inside the hollow groove (512), and the top of the limiting rod (513), the width of the limiting rod (513) is larger than that of the transverse moving groove (59), and a return spring (514) is arranged at the bottom of the limiting rod (513).

2. The seal shaping clamp for the lithium ion battery according to claim 1, wherein: the shaping plate (4) is of a square structure, and the shaping plate (4) is welded with the extension block (53).

3. The seal shaping clamp for the lithium ion battery according to claim 1, wherein: guide blocks (6) are arranged on two sides of the shaping plate (4), guide rails (7) are arranged in the shaping cavity (3) and corresponding to the built-in positions of the guide blocks (6), and the guide blocks (6) are connected to the guide rails (7) in a sliding mode.

4. The seal shaping clamp for the lithium ion battery according to claim 1, wherein: limiting blocks (8) are installed on two sides of the limiting rod (513), limiting grooves (9) are formed in the hollow groove (512) and correspond to the positions of the limiting blocks (8), and the limiting blocks (8) are inserted into the limiting grooves (9).

5. The seal shaping clamp for the lithium ion battery according to claim 1, wherein: a plurality of flow guide grooves (10) are formed in the side wall of the bottom, close to the lithium ion battery (2), of the shaping cavity (3), and the flow guide grooves (10) are uniformly distributed on the inner wall of the shaping cavity (3).

6. The seal shaping clamp for the lithium ion battery according to claim 5, wherein: the guide groove (10) is arc-shaped, a concentration cavity (11) is formed in the bottom of the shaping box (1), and the concentration cavity (11) is located under the guide groove (10).

7. The seal shaping clamp for the lithium ion battery according to claim 6, wherein: the two ends of the concentration cavity (11) are communicated with the two ends of the flow guide groove (10), the bottom of the concentration cavity (11) is provided with a treatment pipe (12), and the treatment pipe (12) is communicated with the lowest position of the vertical axial section of the concentration cavity (11).