CN215034458U

CN215034458U - Novel lithium battery cap welding device

Info

Publication number: CN215034458U
Application number: CN202121424539.1U
Authority: CN
Inventors: 马丙吉
Original assignee: Tianjin Saineng New Energy Technology Co ltd
Current assignee: Tianjin Saineng New Energy Technology Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-07
Anticipated expiration: 2031-06-25

Abstract

The utility model relates to a lithium cell production technical field just discloses a novel lithium cell block welding device, including battery tray and block seat, the back fixed mounting of battery tray has the slide rail, the back fixed mounting of block seat has the draw runner, the block seat passes through movable joint between the slide rail at the draw runner and the battery tray back. This novel lithium cell block welding set, place the inside at the battery tray through the casing with the battery, and place the inside at the block tray with the block, and start the cylinder and drive the downward displacement of draw runner, can drive the downward displacement of block tray under the drive of draw runner and with the battery tray between contact accomplish casing and the block between fixed, the buffer spring that lies in the slide rail inside simultaneously can slow down the impact force that comes from the cylinder, reuse external device realizes laser welding, the welding that carries out next station through rotating the carousel after the welding is accomplished need not to wait for, thereby the higher advantage of welding positioning efficiency has been realized.

Description

Novel lithium battery cap welding device

Technical Field

The utility model relates to a lithium cell production technical field specifically is a novel lithium cell block welding device.

Background

In the production process of the lithium battery, generally, a battery core of the lithium battery is required to be inserted into a tube shell, then a negative electrode tab of the battery core is welded to the bottom of the tube shell to enable the tube shell to become a lithium battery negative electrode, meanwhile, a positive electrode tab of the battery core is required to be welded to a cap, and then the lithium battery is manufactured after the positive electrode tab is folded and sealed by the cap. Wherein, in the process of welding the positive pole lug of the battery cell on the cap, the tube shell and the cap are respectively positioned and matched as required, and then laser welding is carried out.

The welding set of lithium cell block that uses at present need match the location and carrying out manual welding between block and the tube manually, need expend a large amount of time in welding process and match the location, and the precision angle can not be quick accomplish to match the location simultaneously, and welding efficiency is lower, and current welding set can not fix to the block of difference simultaneously, and the practicality is lower.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a novel lithium cell block welding device possesses the higher advantage of welding position efficiency, has solved the problem of proposing among the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides a novel lithium cell block welding device, includes battery holder and block, the back fixed mounting of battery holder has the slide rail, the back fixed mounting of block has the draw runner, the block passes through movable joint between the slide rail at the draw runner and the battery holder back, the top fixed mounting of block has the mount, the bottom fixed mounting of mount has the cylinder, the bottom of cylinder and the top fixed connection of draw runner, the bottom adsorption of battery holder inner chamber is connected with the magnetic path.

Preferably, the cap seat inner side surface is equiangularly provided with a limiting groove, the inside of the limiting groove is movably clamped with a limiting column, and one end of the limiting column, far away from the limiting groove, is fixedly provided with a clamping block.

Preferably, the limiting spring located in the limiting groove is fixedly mounted at one end, close to the limiting groove, of the limiting column, and the bottom end of the limiting spring is fixedly connected with the bottom end of the inner cavity of the limiting groove.

Preferably, the bottom end of the slide bar is fixedly provided with a buffer spring positioned inside the slide rail, and the bottom end of the buffer spring is fixedly connected with the bottom end of the inner cavity of the slide rail.

Preferably, a connecting frame is fixedly mounted on one side of the battery seat, a turntable is fixedly mounted at the other end of the connecting frame, a telescopic rod is fixedly mounted at the bottom end of the turntable, and the battery seats are four in number and distributed on the outer side surface of the turntable at equal angles.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the novel lithium battery cap welding device is provided with the battery seat and the cap seat, the back of the battery seat is fixed with the slide rail, the back of the cap seat is fixed with a slide bar, the cap seat is movably clamped with the slide rail on the back of the battery seat through the slide bar, when the lithium battery cap needs to be welded, the shell of the battery is placed in the battery seat, the cap is placed in the cap seat, the air cylinder is started to drive the slide bar to move downwards, the cover cap seat can be driven to move downwards by the driving of the slide bar and is contacted with the battery seat to complete the fixation between the shell and the cover cap, meanwhile, the buffer spring positioned in the slide rail can reduce the impact force from the cylinder, the laser welding is realized by using an external device, and the next station is welded by rotating the turntable after the welding is finished without waiting, so that the advantage of higher welding positioning efficiency is realized.

2. This neotype lithium cell block welding set, the spacing groove has been seted up through angles such as the medial surface at the block seat, and there is spacing post at the inside movable mounting of spacing groove, and the other end at spacing post then is fixed with the clamp splice, and the bottom that is located spacing post then is fixed with spacing spring, when needs are fixed to the not cap of equidimension the accessible place the cap of equidimension not between four clamp splices, the spacing spring that is located spacing inslot portion this moment can provide elasticity and drive spacing post and clamp splice and be close to between the block towards and carry out spacing fixed to the block, thereby realized can carrying out the advantage fixed to the not block of equidimension.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the structure of the battery holder and the cap holder of the present invention;

FIG. 3 is an exploded view of the magnetic block structure of the present invention;

FIG. 4 is an exploded view of the structure of the spacing post and the spacing spring of the present invention;

fig. 5 is an enlarged schematic view of the structure at a in fig. 4.

In the figure: 1. a battery holder; 2. a cap base; 3. a magnetic block; 4. a fixed mount; 5. a cylinder; 6. a slide rail; 7. a slide bar; 8. a buffer spring; 9. a limiting groove; 10. a limiting column; 11. a limiting spring; 12. a clamping block; 13. a connecting frame; 14. a turntable; 15. a telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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. 1-5, a novel lithium battery cap welding device includes a battery holder 1 and a cap holder 2, a slide rail 6 is fixedly mounted on the back of the battery holder 1, a slide bar 7 is fixedly mounted on the back of the cap holder 2, the cap holder 2 is movably clamped with the slide rail 6 on the back of the battery holder 1 through the slide bar 7, a fixing frame 4 is fixedly mounted on the top of the cap holder 2, an air cylinder 5 is fixedly mounted on the bottom of the fixing frame 4, the bottom of the air cylinder 5 is fixedly connected with the top of the slide bar 7, and a magnetic block 3 is connected to the bottom of the inner cavity of the battery holder 1 in an adsorbing manner.

Wherein, the spacing groove 9 has been seted up to 2 medial surfaces of block seat equidistance, and the equal activity joint in inside of spacing groove 9 has spacing post 10, and the equal fixed mounting in one end that spacing groove 9 was kept away from to spacing post 10 has clamp splice 12, and the medial surface of clamp splice 12 is circular-arc can be fixed circular shape block, and spacing post 10 can be at the inside relative movement of spacing groove 9.

Wherein, the equal fixed mounting of one end that spacing post 10 is close to spacing groove 9 has the spacing spring 11 that is located the inside of spacing groove 9, the bottom of spacing spring 11 and the bottom fixed connection of spacing groove 9 inner chamber, place the inside at battery stand 1 through the casing with the battery to place the block in the inside of block seat 2, the spacing spring 11 that is located the inside of spacing groove 9 this moment can provide elasticity and drive spacing post 10 and clamp splice 12 and be close to between the block and carry out spacing fixed to the block.

Wherein, the bottom fixed mounting of draw runner 7 has the buffer spring 8 that is located slide rail 6 inside, and buffer spring 8's bottom and the bottom fixed connection of slide rail 6 inner chamber can cushion 7 through the buffer spring 8 of draw runner 7 bottom and slow down the impact that comes from cylinder 5 simultaneously to draw runner 7.

Wherein, one side fixed mounting of battery holder 1 has link 13, and the other end fixed mounting of link 13 has carousel 14, and the bottom fixed mounting of carousel 14 has telescopic link 15, and the quantity of battery holder 1 is four and when angular distribution at the lateral surface of carousel 14, and the welding that carries out next station through rotating carousel 14 after the welding is accomplished need not to wait for, finally dismantles magnetic path 3 and realizes the ejection of compact.

The working principle is as follows: this novel lithium cell block welding set is when using, the accessible is placed the casing of battery in the inside of block 1, and place the block in the inside of block 2, the spacing spring 11 that lies in spacing groove 9 inside this moment can provide elasticity and drive spacing post 10 and clamp splice 12 towards being close to between the block and carry out spacing fixed to the block, and start cylinder 5 drives the downward displacement of draw runner 7, can drive block 2's downward displacement under the drive of draw runner 7 and with the cell 1 between contact accomplish the fixed between casing and the block, the buffer spring 8 that lies in slide rail 6 inside simultaneously can slow down the impact force that comes from cylinder 5, it realizes laser welding to reuse external device again, the welding that carries out next station through rotating carousel 14 after the welding is accomplished need not to wait for, it can finally to dismantle the ejection of compact that magnetic path 3 realizes.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 novel lithium cell block welding device, includes battery holder (1) and block seat (2), its characterized in that: the back fixed mounting of battery holder (1) has slide rail (6), the back fixed mounting of cap seat (2) has draw runner (7), movable joint between slide rail (6) at cap seat (2) through draw runner (7) and battery holder (1) back, the top fixed mounting of cap seat (2) has mount (4), the bottom fixed mounting of mount (4) has cylinder (5), the bottom of cylinder (5) and the top fixed connection of draw runner (7), the bottom adsorption of battery holder (1) inner chamber is connected with magnetic path (3).

2. The novel welding device for the lithium battery cap as claimed in claim 1, wherein: spacing groove (9) have been seted up to cap seat (2) medial surface equiangle, the equal activity joint in inside of spacing groove (9) has spacing post (10), the equal fixed mounting in one end that spacing groove (9) were kept away from in spacing post (10) has clamp splice (12).

3. The novel welding device for the lithium battery cap as claimed in claim 2, wherein: the equal fixed mounting of one end that spacing post (10) are close to spacing groove (9) has spacing spring (11) that are located inside spacing groove (9), the bottom of spacing spring (11) and the bottom fixed connection of spacing groove (9) inner chamber.

4. The novel welding device for the lithium battery cap as claimed in claim 1, wherein: the bottom fixed mounting of draw runner (7) has buffer spring (8) that are located slide rail (6) inside, the bottom of buffer spring (8) and the bottom fixed connection of slide rail (6) inner chamber.

5. The novel welding device for the lithium battery cap as claimed in claim 1, wherein: one side fixed mounting of battery seat (1) has link (13), the other end fixed mounting of link (13) has carousel (14), the bottom fixed mounting of carousel (14) has telescopic link (15), the quantity of battery seat (1) is four and the equal angular distribution is at the lateral surface of carousel (14).