CN219443967U

CN219443967U - Auxiliary welding device

Info

Publication number: CN219443967U
Application number: CN202222530647.8U
Authority: CN
Inventors: 侯达; 雷政军; 郑高锋
Original assignee: Shaanxi Olympus Power Energy Co Ltd
Current assignee: Shaanxi Olympus Power Energy Co Ltd
Priority date: 2022-09-24
Filing date: 2022-09-24
Publication date: 2023-08-01
Anticipated expiration: 2032-09-24

Abstract

The application discloses auxiliary welding device for fixed battery cell or group battery during welding, a serial communication port, auxiliary welding device includes bottom plate, locating lever, installs first fixed part and second fixed part on the bottom plate, first fixed part with the second fixed part sets up relatively, first fixed part is equipped with the through-hole, the locating lever passes the through-hole runs through to be located on the first fixed part, the locating lever can be followed the direction that is on a parallel with the bottom plate and remove for fixed battery prevents that the battery from taking place to remove. The device can be adjusted according to the number of the batteries and the size of the batteries, and has simple structure and strong universality.

Description

Auxiliary welding device

Technical Field

The utility model relates to the field of lithium ion batteries, in particular to an auxiliary welding device for fixing a plurality of single batteries during battery welding.

Background

At present, the lithium battery pack on the market has various advantages and is widely applied to various fields, in the existing lithium battery application, the use of ultra-large capacity batteries is often involved, a plurality of single batteries are mostly connected in parallel to form the large-capacity lithium battery, the plurality of single batteries are required to be connected through electrode posts in a welding mode, when the plurality of single batteries are subjected to tab welding, if the positions of the batteries are unstable, the problems of unstable welding, deviation of the welding positions from preset positions, low welding efficiency and low welding yield are often caused, the normal production and use requirements of enterprises are greatly influenced, and the production cost of the enterprises is influenced.

The patent CN212599909U provides a fastening clamp for laser welding of a battery module, but the structure of the clamp is complex and the operation is not easy.

Disclosure of Invention

The purpose of this application is to provide an auxiliary welding device, when welding a plurality of battery cells, can be according to the number adjustment position of battery and fixed battery position, improves the welding precision and the efficiency of battery.

The technical scheme of the utility model is as follows:

the application provides an auxiliary welding device for fixed battery cell or group battery when welding, auxiliary welding device includes bottom plate, locating lever, installs first fixed part and second fixed part on the bottom plate, first fixed part with the second fixed part sets up relatively, be equipped with the through-hole on the first fixed part, the locating lever passes through the through-hole run through in on the first fixed part, and can follow the direction that is on a parallel with the bottom plate and remove for fixed battery prevents that the battery from taking place to remove.

Further, one end of the positioning rod is provided with a handle, the other end of the positioning rod is provided with a fixing piece, and the fixing piece is used for jointly fixing the battery with the second fixing part.

Further, the first fixing portion and the second fixing portion are vertically installed on the base plate.

Further, the surface of the positioning rod is provided with external threads, and the through hole is internally provided with internal threads matched with the external threads.

Further, the first fixing portion and the second fixing portion are detachably connected with the base plate.

Further, the bottom plate is provided with a plurality of locating holes, the first fixed part and the second fixed part are L-shaped fixed plates, the horizontal ends of the first fixed part and the second fixed part are arranged back to back, the horizontal ends are provided with mounting holes matched with the locating holes, and the fixed plates are connected with the bottom plate through screws.

Further, the positioning holes are uniformly arranged on the bottom plate at intervals.

Further, the first fixing part and the second fixing part are welded and fixed with the bottom plate.

The utility model has the beneficial effects that:

this welding auxiliary device is through setting up the fixed part on the bottom plate, sets up mobilizable dead lever on the fixed part to make the dead lever fixed compress tightly the battery cell, and then weld the operation to the battery, this device can be adjusted according to the number of battery and the size of size, has solved the problem that the cost is high that needs the anchor clamps of different structures to the battery of different sizes and causes, and the device commonality is strong, simple structure, and the practicality is strong.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

Fig. 1 is a schematic structural diagram of an auxiliary welding device according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a plurality of batteries welded according to an embodiment of the present application;

reference numerals:

1-a first fixing part; 2-a second fixing portion; 3-a bottom plate; 4-through holes; 5-positioning rods; 6-fixing sheets; 7-a handle; 8-positioning holes; 9-mounting holes; 10-single battery; 11-polar plate.

Detailed Description

The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.

As shown in fig. 1, a battery auxiliary welding device is shown according to an exemplary embodiment, the welding device includes a bottom plate 3, a first fixing portion 1 and a second fixing portion 2, in this embodiment, the first fixing portion 1 and the second fixing portion 2 are L-shaped plates, a plurality of mounting holes 9 are provided at horizontal ends of the first fixing portion 1 and the second fixing portion 2, a plurality of positioning holes 8 are provided on the bottom plate, the first fixing portion 1, the second fixing portion 2 and the bottom plate 3 are connected with the corresponding mounting holes 8 and screw holes 9 through screws, so that the first fixing portion 1 and the second fixing portion 2 are detachably fixed on the bottom plate 3, and the first fixing portion 1 and the second fixing portion 2 are relatively arranged, then the portions of the first fixing portion 1 and the second fixing portion 2 perpendicular to the bottom plate are parallel to each other, the horizontal ends of the first fixing portion 1 and the second fixing portion 2 are set back to each other, when the battery is placed between the first fixing portion 1 and the second fixing portion 2, the stability of the battery is not affected, the portion of the first fixing portion 1 perpendicular to the bottom plate is provided with a through hole 4, the positioning rod 5 penetrates through the first through hole 5, the first fixing rod 5 is not provided with the through hole 5, and the inner thread 5 is not parallel to the inner thread 5, and the inner thread is not required to be fixed with the fixing rod is fixed along the inner thread 5, and the inner thread is not parallel to the fixing portion is fixed to the inner thread of the fixing portion.

When welding a plurality of single batteries or battery packs, as shown in fig. 2, a plurality of single batteries 10 are placed on the bottom plate 3 of the auxiliary welding device, between the first fixing plate 1 and the second fixing plate 2, the position of the positioning rod 5 is adjusted, so that the battery pack is clamped and fixed by the positioning rod 5 and the second fixing part 2 together, and after the battery pack is fixed, the lugs of the batteries can be integrally welded, for example, the pole plate 11 is welded on the lug on the upper end face of the battery pack.

In some embodiments, the positioning rod 5 is provided with a fixing piece 6 at one end opposite to the second fixing portion 2, the shape of the fixing piece may be a round shape or a rectangular shape, and other sheet shapes, the fixing piece 6 may increase the contact surface between the positioning rod 5 and the single battery 10, thereby improving the fixing effect, and the other end of the positioning rod 5 is provided with a handle 7, so that the positioning rod 5 is convenient to operate when rotating.

In some embodiments, the positioning holes 8 on the bottom plate 3 are uniformly arranged at intervals, and the mounting positions of the first fixing part 1 and the second fixing part 2 on the bottom plate 3 are adjusted to better adapt to the positions of the batteries to be welded.

In some embodiments, the first fixing portion 1 and the second fixing portion 2 are rectangular fixing plates or cuboid fixing plates, and the bottoms of the fixing plates are fixedly connected with the bottom plate 3 in a welding mode.

In some embodiments, one of the first fixing portion 1 and the second fixing portion 2 is welded to the base plate 3, and the other fixing portion is detachably mounted to the base plate.

The device can be adjusted according to the quantity and the size of the battery, and is simple, convenient to use and high in universality.

It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

The terms first and second and the like in the description and in the claims of embodiments of the utility model, are used for distinguishing between different objects and not necessarily for describing a particular sequential order of objects. For example, the first and second blocks, etc. are used to distinguish between different blocks, and are not used to describe a particular sequence of blocks.

In the description of the embodiments of the present utility model, unless otherwise indicated, the meaning of "a plurality" means two or more. For example, a plurality of elements refers to two elements or more than two elements.

In embodiments of the utility model, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g." in an embodiment should not be taken as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

Although embodiments of the utility model have been disclosed above, they are not limited to the use listed in the specification and embodiments. It can be applied to various fields suitable for the present utility model. Additional modifications will readily occur to those skilled in the art. Therefore, the utility model is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims

1. The utility model provides an auxiliary welding device for fixed battery cell or group battery during welding, its characterized in that, auxiliary welding device includes bottom plate, locating lever, installs first fixed part and the second fixed part on the bottom plate, first fixed part with the second fixed part sets up relatively, be equipped with the through-hole on the first fixed part, the locating lever pass the through-hole run through in first fixed part, and can follow the direction that is on a parallel with the bottom plate and remove for fixed battery cell prevents that the battery from taking place to remove.

2. The auxiliary welding device according to claim 1, wherein one end of the positioning rod is provided with a handle, and the other end is provided with a fixing piece for fixing the single battery together with the second fixing portion.

3. The auxiliary welding device of claim 1, wherein the first and second fixing portions are vertically mounted on the base plate.

4. The auxiliary welding device according to claim 1, wherein the surface of the positioning rod is provided with external threads, and the through hole is internally provided with internal threads matched with the external threads.

5. The auxiliary welding device according to claim 1, wherein the first and second fixing portions are detachably connected to the base plate.

6. The auxiliary welding device according to claim 5, wherein the base plate is provided with a plurality of positioning holes, the first fixing portion and the second fixing portion are L-shaped fixing plates, horizontal ends of the first fixing portion and the second fixing portion are provided with mounting holes matched with the positioning holes, and the first fixing portion and the second fixing portion are connected with the base plate through screws.

7. The auxiliary welding device according to claim 6, wherein the positioning holes are provided at regular intervals on the bottom plate.

8. The auxiliary welding device according to claim 1, wherein the first and second fixing portions are welded to the base plate.