CN215468769U

CN215468769U - Cap pressure welding device of lithium battery product

Info

Publication number: CN215468769U
Application number: CN202120694039.3U
Authority: CN
Inventors: 卢军
Original assignee: Shandong Jinsheng New Energy Technology Co Ltd
Current assignee: Shandong Jinsheng New Energy Technology Co Ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2022-01-11
Anticipated expiration: 2031-04-06

Abstract

The utility model belongs to the technical field of lithium batteries, and particularly relates to a cap welding device for a lithium battery product, which aims at solving the problems that in the prior art, when caps are welded, clamping and fixing are inconvenient to carry out, and caps with different sizes are inconvenient to weld. The gear fixing device is reasonable in structural design, simple to operate, convenient for fixing the caps and suitable for fixing the caps of different gears.

Description

Cap pressure welding device of lithium battery product

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a cap pressure welding device for a lithium battery product.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as an anode material and uses a non-aqueous electrolyte solution, and is different from the lithium ion battery in that the lithium battery is a primary battery and the lithium battery is a rechargeable battery, and because the chemical characteristics of the lithium metal are very active, the lithium metal has very high requirements on the environment in processing, storage and use, so the lithium battery is not applied for a long time. Need carry out pressure welding to lithium cell and block in the course of working of lithium cell, and then make lithium cell and block form a whole.

However, in the prior art, when the cap is welded, it is inconvenient to clamp and fix the cap and to weld caps of different sizes, so we propose a cap welding device for lithium battery products to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that clamping and fixing are inconvenient to carry out and pressure welding is inconvenient to carry out on caps with different sizes when the caps are pressure welded in the prior art, and provides a cap pressure welding device for a lithium battery product.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a cap pressure welding device of a lithium battery product comprises a box body, wherein the front side of the box body is connected with a box door through a hinge, a workbench is fixedly arranged in the box body, a plurality of first springs are fixedly connected to the bottom of the workbench, one end, far away from the workbench, of each first spring is fixedly connected with the same pull plate, the bottom of each pull plate is fixedly connected with a handle, racks are fixedly arranged on two sides of the top of each pull plate, threaded rods are rotatably arranged on two sides of the workbench, gears are fixedly arranged on the outer sides of the two threaded rods, the two racks are meshed with the corresponding gears, connecting grooves are formed in two sides of the workbench, one ends, close to each other, of the two threaded rods extend into the corresponding connecting grooves, moving columns are sleeved on the threaded sleeves, connecting rods are fixedly connected to one ends, close to each other, the top of the workbench is provided with a placing groove, one ends, close to each other, extend into the placing groove and are fixedly connected with a clamping ring, the equal fixedly connected with second spring in one side that two clamp rings kept away from each other, the equal fixed connection of one end that two second springs kept away from each other is on the inner wall of standing groove, and fixed mounting has the cylinder on the top inner wall of box, fixedly connected with press welder on the piston shaft of cylinder.

Preferably, four montants of fixedly connected with on the bottom inner wall of box, the equal fixed connection in the bottom of workstation in top of four montants, arm-tie sliding connection is in the outside of four montants, is convenient for support fixed station, and plays limiting displacement to the arm-tie.

Preferably, the mounting bracket is fixedly mounted on two sides of the workbench, one end, away from each other, of each of the two threaded rods is rotatably connected with the corresponding mounting bracket, and the two threaded rods are convenient to rotate and mount.

Preferably, the thread groove has all been seted up to one side that two removal posts kept away from each other, and two removal posts are installed in the outside of corresponding threaded rod through corresponding thread groove screw thread, and two removal posts of the screw thread installation of being convenient for.

Preferably, the bottom fixedly connected with limiting plate of two removal posts has all seted up the spacing groove on the bottom inner wall of two spread grooves, and two limiting plate sliding connection play limiting displacement to two removal posts in corresponding spacing inslot.

Preferably, the inner walls of the two sides of the placing groove are provided with sliding holes, and the two connecting rods are connected in the corresponding sliding holes in a sliding mode, so that the two connecting rods are connected in a sliding mode conveniently.

In the cap pressure welding device for the lithium battery product, the box door is opened, the handle is held by hands to pull the pull plate to move downwards and stretch the first springs, so that the two racks can be pulled to move downwards by the pull plate, the two threaded rods are driven to rotate by the meshing transmission of the two racks and the corresponding gears, the two moving columns are enabled to move away from each other, the two clamping rings can be pulled to move away from each other by the two connecting rods and extrude the two second springs, then the cap placing groove can be placed in the groove, the handle is released, the two clamping rings can be enabled to move close to each other to reset by the elastic deformation of the first springs and the second springs, the cap is clamped and fixed, the cylinder can be started to drive the pressure welding machine to move downwards to pressure weld the cap, the operation is simple, and the cap can be fixed conveniently, the gear fixing device is suitable for fixing caps of different gears;

the gear fixing device is reasonable in structural design, simple to operate, convenient for fixing the caps and suitable for fixing the caps of different gears.

Drawings

Fig. 1 is a schematic perspective view of a cap bonding apparatus for a lithium battery product according to the present invention;

fig. 2 is a schematic sectional structural view of a front view of a cap bonding apparatus for a lithium battery product according to the present invention;

fig. 3 is a schematic structural diagram of a portion a of a cap bonding apparatus for a lithium battery product according to the present invention.

In the figure: 1. a box body; 2. a box door; 3. a vertical rod; 4. a work table; 5. a first spring; 6. pulling a plate; 7. a grip; 8. a rack; 9. a threaded rod; 10. a gear; 11. connecting grooves; 12. moving the column; 13. a connecting rod; 14. a placement groove; 15. a clamping ring; 16. a second spring; 17. a cylinder; 18. and (5) a press welder.

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.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of this patent does not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

Referring to fig. 1-3, a cap pressure welding device for lithium battery products comprises a box body 1, a box door 2 is connected to the front side of the box body 1 through a hinge, a workbench 4 is fixedly installed in the box body 1, a plurality of first springs 5 are fixedly connected to the bottom of the workbench 4, one ends, far away from the workbench 4, of the first springs 5 are fixedly connected with a same pull plate 6, a handle 7 is fixedly connected to the bottom of the pull plate 6, racks 8 are fixedly installed on both sides of the top of the pull plate 6, threaded rods 9 are rotatably installed on both sides of the workbench 4, gears 10 are fixedly installed on the outer sides of the two threaded rods 9, the two racks 8 are meshed with the corresponding gears 10, connecting grooves 11 are respectively formed on both sides of the workbench 4, one ends, close to each other, of the two threaded rods 9 extend into the corresponding connecting grooves 11 and are sleeved with moving columns 12, connecting rods 13 are fixedly connected to one ends, close to each other, of the two moving columns 12, the standing groove 14 has been seted up at the top of workstation 4, and the one end that two connecting rods 13 are close to each other all extends to in the standing groove 14 and fixedly connected with clamp ring 15, the equal fixedly connected with second spring 16 in one side that two clamp rings 15 kept away from each other, and the equal fixed connection of one end that two second springs 16 kept away from each other is on the inner wall of standing groove 14, and fixed mounting has cylinder 17 on the top inner wall of box 1, and the epaxial fixedly connected with pressure welding machine 18 of piston of cylinder 17.

Referring to fig. 2, in this embodiment, four montants 3 of fixedly connected with on the bottom inner wall of box 1, the equal fixed connection in the bottom of workstation 4 in top of four montants 3, and the fixed bolster 4 is convenient for support in the outside of four montants 3 to arm-tie 6 sliding connection, and plays limiting displacement to arm-tie 6.

Referring to fig. 2 and 3, in the embodiment, mounting brackets are fixedly mounted on both sides of the workbench 4, and one ends of the two threaded rods 9, which are far away from each other, are rotatably connected with the corresponding mounting brackets, so that the two threaded rods 9 can be rotatably mounted.

Referring to fig. 2 and 3, in the present embodiment, the two moving columns 12 are both provided with a thread groove on the side away from each other, and the two moving columns 12 are installed on the outer side of the corresponding threaded rod 9 through the corresponding thread groove, so as to facilitate the threaded installation of the two moving columns 12.

Referring to fig. 2 and 3, in this embodiment, the limiting grooves have all been seted up to the bottom fixedly connected with limiting plate of two removal posts 12 on the bottom inner wall of two spread grooves 11, and two limiting plate sliding connection play limiting displacement to two removal posts 12 in corresponding limiting groove.

Referring to fig. 2 and 3, in this embodiment, sliding holes are formed in the inner walls of the two sides of the placement groove 14, and the two connecting rods 13 are slidably connected in the corresponding sliding holes, so that the two connecting rods 13 are slidably connected.

In the utility model, when the box door is used, the box door 2 can be opened, the pull plate 6 is pulled by holding the handle 7 to move downwards, the first springs 5 are stretched, the two racks 8 can be pulled by the pull plate 6 to move downwards, then the two threaded rods 9 can be driven to rotate through the meshing transmission of the two racks 8 and the corresponding gears 10, then the two moving columns 12 can be connected with the corresponding threaded rods 9 through the threads of the two moving columns 12, then the two moving columns 12 can be driven to move away from each other, namely the two clamping rings 15 can be pulled to move away from each other through the two connecting rods 13, the two second springs 16 are extruded, then the cap placing groove 14 can be placed in the cap placing groove, the handle 7 is released immediately, then the two clamping rings 15 can be moved close to each other to reset through the elastic deformation of the first springs 5 and the second springs 16, and the cap is clamped and fixed, then, the cylinder 17 is started to drive the press welder 18 to move downwards to press weld the cap.

Claims

1. The cap pressure welding device for the lithium battery product comprises a box body (1) and is characterized in that the front side of the box body (1) is connected with a box door (2) through a hinge, a workbench (4) is fixedly arranged in the box body (1), the bottom of the workbench (4) is fixedly connected with a plurality of first springs (5), one end, far away from the workbench (4), of each first spring (5) is fixedly connected with the same pull plate (6), the bottom of each pull plate (6) is fixedly connected with a handle (7), racks (8) are fixedly arranged on two sides of the top of each pull plate (6), threaded rods (9) are rotatably arranged on two sides of the workbench (4), gears (10) are fixedly arranged on the outer sides of the two threaded rods (9), the two racks (8) are meshed with the corresponding gears (10), connecting grooves (11) are formed in two sides of the workbench (4), the one end that two threaded rods (9) are close to each other extends to in corresponding spread groove (11) and the thread bush is equipped with and removes post (12), two equal fixedly connected with connecting rod (13) of one end that remove post (12) and are close to each other, standing groove (14) have been seted up at the top of workstation (4), and the one end that two connecting rod (13) are close to each other all extends to in standing groove (14) and fixedly connected with clamp ring (15), the equal fixedly connected with second spring (16) in one side that two clamp ring (15) kept away from each other, the equal fixed connection of one end that two second springs (16) kept away from each other is on the inner wall of standing groove (14), fixed mounting has cylinder (17) on the top inner wall of box (1), the epaxial fixedly connected with pressure welding machine (18) of piston of cylinder (17).

2. A cap pressure welding device for lithium battery products according to claim 1, characterized in that four vertical rods (3) are fixedly connected to the inner wall of the bottom of the box body (1), the top ends of the four vertical rods (3) are fixedly connected to the bottom of the workbench (4), and the pulling plate (6) is slidably connected to the outer sides of the four vertical rods (3).

3. A cap pressure welding device for lithium battery products as claimed in claim 1, characterized in that mounting brackets are fixedly mounted on both sides of the worktable (4), and the ends of the two threaded rods (9) far away from each other are rotatably connected with the corresponding mounting brackets.

4. A cap bonding device for lithium battery products as claimed in claim 1, characterized in that the two moving posts (12) are provided with a thread groove on the side away from each other, and the two moving posts (12) are mounted on the outer side of the corresponding threaded rod (9) through the corresponding thread groove.

5. A cap pressure welding device for lithium battery products according to claim 1, wherein the bottoms of the two moving columns (12) are fixedly connected with limiting plates, the inner walls of the bottoms of the two connecting grooves (11) are respectively provided with a limiting groove, and the two limiting plates are slidably connected in the corresponding limiting grooves.

6. A cap pressure welding device for lithium battery products as claimed in claim 1, characterized in that the inner walls of the two sides of the placing groove (14) are provided with slide holes, and the two connecting rods (13) are slidably connected in the corresponding slide holes.