CN218964464U

CN218964464U - Battery tab welding positioning tool

Info

Publication number: CN218964464U
Application number: CN202220869883.XU
Authority: CN
Inventors: 韩金君; 殷定伟
Original assignee: Shenzhen Csip Science & Technology Co ltd
Current assignee: Shenzhen Csip Science & Technology Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2023-05-05
Anticipated expiration: 2032-04-15

Abstract

The utility model relates to a battery tab welding positioning tool which comprises a substrate, wherein at least two battery limiting strips are arranged on the substrate, a limiting table is arranged at one end of the substrate, one end of a battery with a tab is limited by the limiting table, a positioning part is arranged at one end of the limiting table and corresponds to the position of the battery limiting strip, the positioning part comprises a magnetic part, the positioning part positions a metal connecting sheet through magnetic attraction, the battery tab and the metal connecting sheet can be conveniently positioned, and after the relative positions of the battery and the metal connecting sheet are fixed, the battery tab and the metal connecting sheet can be welded. The battery tab welding positioning tool is convenient to use and good in positioning effect, production cost is greatly reduced, and production efficiency is improved.

Description

Battery tab welding positioning tool

Technical Field

The utility model relates to the technical field of welding fixtures, in particular to a battery tab welding positioning tool.

Background

At present, the positive electrode lug of the flexible package lithium battery is an aluminum metal strip, but when the aluminum metal strip is welded with tin metal, the adhesion performance is poor, and meanwhile, the aluminum metal is soft in texture and not resistant to bending, so that a nickel connecting sheet is welded on the aluminum positive electrode lug, and the welding performance and the service life of the lithium battery are improved. However, at present, most of the nickel connecting sheets are manually and directly welded with the aluminum positive lugs, so that the welding positioning tool for the battery lugs is lacked, the problems of inclination, poor welding and the like of the lugs or the connecting sheets are easy to occur during welding, the damage to the lithium battery or the scrapping of the product can be directly caused, and the production efficiency is lower. Therefore, the battery tab welding positioning tool convenient to use and accurate in positioning is necessary to solve the problems existing in the welding of the existing lithium battery tab.

Disclosure of Invention

Based on the above, it is necessary to provide a battery tab welding positioning tool which is convenient to use and accurate in positioning, aiming at the problems existing in the current welding of lithium battery tabs.

The utility model provides a battery tab welding positioning tool, includes the base plate, is provided with two at least battery spacing bars on the base plate, is used for placing the battery between the battery spacing bars, and base plate one end is provided with spacing platform, and spacing platform carries out spacingly to the one end of battery tape tab; the position that spacing platform one end corresponds to spacing of battery is provided with location portion, and location portion includes the magnetic part, and location portion is fixed a position the metal connection piece through the magnetism effect, and the metal connection piece passes through welded connection with the utmost point ear.

In one embodiment, the positioning part further comprises a positioning block, one side of the positioning block corresponding to the tab is provided with a containing groove, the containing groove is used for containing a part of the metal connecting sheet, and the magnetic piece is arranged below the positioning block.

In one embodiment, the battery limit bars are at least four.

In one embodiment, the welding positioning tool is made of insulating materials except for the magnetic piece.

In one embodiment, the insulating material is bakelite or PVC plastic.

In one embodiment, the number of the magnetic elements in each positioning part is one or two.

In one embodiment, the magnetic member is a magnet.

In one embodiment, the metal connecting piece is a nickel connecting piece.

The utility model relates to a battery tab welding positioning tool, which comprises a substrate, wherein at least two battery limiting strips are arranged on the substrate, a limiting table is arranged at one end of the substrate, one end of the limiting table limits one end of a battery with a tab, a positioning part is arranged at one end of the limiting table, which corresponds to the battery limiting strip, the positioning part comprises a magnetic part, the positioning part positions a metal connecting sheet through magnetic attraction, the battery tab and the metal connecting sheet can be conveniently positioned, and after the relative positions of the battery and the metal connecting sheet are fixed, the tab and the metal connecting sheet can be welded. In addition, through setting up the accommodation groove in the locating piece one side that corresponds to the utmost point ear, can realize the accurate location to the metal connection piece. In addition, through setting up the spacing of battery into four at least, can realize the simultaneous localization of a plurality of batteries and the simultaneous localization of a plurality of metal connection piece, fix the back with the relative position of a plurality of batteries and metal connection piece, weld it in proper order, improve production efficiency. The battery tab welding positioning tool is convenient to use and good in positioning effect, production cost is greatly reduced, and production efficiency is improved.

Drawings

FIG. 1 is a top view of a battery tab welding positioning tool of the present utility model;

FIG. 2 is a schematic cross-sectional view taken along the direction A-A in FIG. 1 in accordance with the present utility model;

FIG. 3 is a schematic diagram of the structure of the battery tab welding positioning fixture of the present utility model after the battery and the metal connecting sheet are placed;

FIG. 4 is a schematic cross-sectional view in the direction B-B of FIG. 3 in accordance with the present utility model;

the battery limiting device comprises a substrate 1, a battery limiting strip 2, a limiting table 3, a magnetic piece 4, a positioning block 5, a containing groove 6, a battery 7, a tab 8 and a metal connecting sheet 9.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," "one side," "another side," "one end," "the other end," and the like are used herein for descriptive purposes only and not for limitation of the specific orientation of components in the product or apparatus.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 4, the welding positioning tool for the battery tab comprises a substrate 1, wherein at least two battery limiting strips 2 are arranged on the substrate 1, a battery 7 is placed between the battery limiting strips 2, a limiting table 3 is arranged at one end of the substrate 1, and the limiting table 3 limits one end of the battery 7 with the tab 8; the position that spacing 3 one end corresponds battery spacing 2 is provided with location portion, and location portion includes magnetic part 4, and location portion is fixed a position metal connection piece 9 through the magnetism effect, and metal connection piece 9 passes through welded connection with utmost point ear 8.

The position between the at least two battery limiting strips 2 is used for placing batteries, and the limiting table 3 limits one end of the battery 7 with the tab 8, so that the battery 7 is accurately positioned; the spacing between the battery limit bars 2 can be adjusted and set according to the size of the battery. In addition, the positioning part positions the metal connecting sheet 9 through the magnetic attraction effect, so that the metal connecting sheet 9 can be conveniently positioned. After the relative positions of the battery 7 and the metal connecting sheet 9 are fixed, the tab 8 and the metal connecting sheet 9 can be welded.

In this embodiment, the positioning portion further includes a positioning block 5, one side of the positioning block 5 corresponding to the tab 8 is provided with a receiving groove 6, the receiving groove 6 is used for receiving a portion of the metal connecting piece 9, and the magnetic member 4 is disposed below the positioning block 5. The size of the accommodating groove 6 is matched with the size of the metal connecting sheet 9, and the size of the accommodating groove 6 can be adjusted and set according to the size of the metal connecting sheet 9. Therefore, by arranging the accommodating groove 6 on one side of the positioning block 5 corresponding to the lug 8, the metal connecting sheet 9 can be accurately positioned; specifically, the magnetic member 4 is fixed on the lower surface of the positioning block 5 by bonding, but it is needless to say that other modes are also possible, and by arranging the magnetic member 4 below the positioning block 5, the magnet can be prevented from falling off from the positioning block 5 due to repeated installation and removal of the metal connecting sheet 9, thereby prolonging the service life of the device.

In the present application, the limiting table 3, the substrate 1 and the positioning block 5 may be integrally formed, or may be combined together after being separately formed, and both the limiting table 3 and the substrate 1 shown in fig. 1 to 4 are integrally formed.

In this embodiment, the number of the battery limiting bars 2 is at least four. Of course, it can also be more, can set up according to the production needs. Through setting up battery spacing 2 to four at least, can realize the simultaneous localization of a plurality of batteries 7 and the simultaneous localization of a plurality of metal connection piece 9, fix the back with the relative position of a plurality of batteries 7 and metal connection piece 9, weld it in proper order, improve production efficiency.

In addition, the part of the welding positioning tool except for the magnetic piece 4 is made of an insulating material, specifically, in this embodiment, the insulating material is bakelite or PVC plastic, one or two magnetic pieces 4 in each positioning portion, specifically, the magnetic piece 4 is a magnet, and in this embodiment, two magnets in the middle two positioning portions in fig. 1 are provided. The metal connecting piece 9 is furthermore a nickel connecting piece, in particular a 7-shaped connecting piece is shown in fig. 3.

According to the battery tab welding positioning tool, the positioning part is used for positioning the metal connecting sheet 9 through the magnetic attraction effect, so that the battery 7 tab 8 and the metal connecting sheet 9 can be conveniently positioned, and after the relative positions of the battery 7 and the metal connecting sheet 9 are fixed, the tab 8 and the metal connecting sheet 9 can be welded. In addition, through setting up accommodation groove 6 in the locating piece 5 one side that corresponds to utmost point ear 8, can realize the accurate location to metal connection piece 9. In addition, through setting up battery spacing 2 to four at least, can realize the simultaneous localization of a plurality of batteries 7 and the simultaneous localization of a plurality of metal connection piece 9, fix the back with the relative position of a plurality of batteries 7 and metal connection piece 9, weld it in proper order, improve production efficiency. The battery tab welding positioning tool is convenient to use and good in positioning effect, production cost is greatly reduced, and production efficiency is improved.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The battery tab welding positioning tool is characterized by comprising a substrate, wherein at least two battery limiting strips are arranged on the substrate, a battery is placed between the battery limiting strips, a limiting table is arranged at one end of the substrate, and the limiting table limits one end of a battery with a tab; the position that spacing platform one end corresponds to spacing of battery is provided with location portion, and location portion includes the magnetic part, and location portion is fixed a position the metal connection piece through the magnetism effect, and the metal connection piece passes through welded connection with the utmost point ear.

2. The battery tab welding positioning tool according to claim 1, wherein the positioning portion further comprises a positioning block, a receiving groove is formed in one side of the positioning block, corresponding to the tab, of the positioning block, the receiving groove is used for receiving a part of the metal connecting sheet, and the magnetic piece is arranged below the positioning block.

3. The battery tab welding positioning fixture of claim 1, wherein the battery limit bars are at least four.

4. The battery tab welding positioning fixture according to claim 1 or 2, wherein the portion of the welding positioning fixture other than the magnetic member is made of an insulating material.

5. The battery tab welding positioning fixture of claim 4, wherein the insulating material is bakelite or PVC plastic.

6. The battery tab welding positioning fixture of claim 1, wherein the number of magnetic elements in each positioning portion is one or two.

7. The battery tab welding positioning fixture of claim 1, wherein the magnetic member is a magnet.

8. The battery tab welding positioning fixture of claim 1, wherein the metal connecting piece is a nickel connecting piece.