CN219852871U

CN219852871U - Busbar welding fixture

Info

Publication number: CN219852871U
Application number: CN202320974462.8U
Authority: CN
Inventors: 丁慧
Original assignee: Liuzhou Keyi Power Technology Co ltd
Current assignee: Liuzhou Keyi Power Technology Co ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-10-20
Anticipated expiration: 2033-04-26

Abstract

The utility model discloses a busbar welding tool, which comprises a tool piece; the busbar is arranged at the bottom of the tool piece and is connected with the tool piece through the expansion piece; the tool piece is provided with a through hole, the through hole is used for exposing a welding part of the busbar, and the expansion piece is positioned on the periphery of the through hole. According to the welding tool disclosed by the utility model, the busbar is fixed on the tool part in advance through the expansion part, when the assembled battery units are conveyed on the production line, the tool is only required to be placed on the battery units, the busbar is not required to be placed on the battery units on the production line, and the tool part with the expansion part is taken off integrally after welding is finished, so that the production efficiency is greatly improved, and meanwhile, no live operation is required, and the safety of personnel is ensured.

Description

Busbar welding fixture

Technical Field

The utility model relates to the technical field of production and processing of electric vehicle battery packs, in particular to a busbar welding tool.

Background

Electric vehicles generally adopt the group battery to supply power, in order to satisfy the demand of power consumption voltage and capacity, can be equipped with a plurality of battery monomers in the group battery, and a plurality of battery monomers are realized the electricity through a plurality of busbar and are connected. In the production process, the bus bars are required to be placed on the grouped battery units for welding, and a bus bar welding tool is usually required to be designed.

In the prior art, a welding tool is usually placed on the top surface of a battery unit, a plurality of through grooves for accommodating the bus bars are formed in the welding tool, the through grooves are in one-to-one correspondence with the corresponding bus bars, and positioning and welding of the bus bars are realized through the through grooves; in addition, after putting the busbar on a battery unit, the next battery unit needs to be taken away and conveyed, the busbar is put again, the busbar is put in circulation in sequence, the production line is occupied for a long time, and the production efficiency is reduced.

Therefore, based on the above technical problems, a person skilled in the art needs to develop a busbar welding tool.

Disclosure of Invention

The utility model aims to provide a busbar welding tool which is used for fixing a busbar on a tool piece through an expansion piece, realizing process split charging, and greatly improving the working efficiency without placing the busbar on a battery unit on a production line and simultaneously ensuring the safety of personnel without electrified operation.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a busbar welding tool, which comprises:

a tooling piece; and

the busbar is arranged at the bottom of the tool piece and is connected with the tool piece through an expansion piece;

the tool piece is provided with a through hole, the through hole is used for exposing a welding part of the busbar, and the expansion piece is positioned on the periphery of the through hole.

Further, the bus bar is formed with a protrusion;

the bulge is provided with a connecting hole, and a fixing hole is formed at the matching position of the tool piece and the connecting hole;

the expansion piece sequentially passes through the connecting hole and the fixing hole to connect the busbar and the tooling piece.

Further, at least two protrusions are arranged on the busbar, and each protrusion is provided with one connecting hole;

or, the busbar is provided with one protrusion, and the protrusions are provided with two connecting holes at intervals along the extending direction of the protrusions.

Further, two sides of the width direction of the tool piece are provided with stop parts;

the stop contacts the bus bar to limit rotation of the bus bar.

In the technical scheme, the busbar welding tool provided by the utility model has the following beneficial effects:

according to the welding tool disclosed by the utility model, the busbar is fixed on the tool part in advance through the expansion part, when the assembled battery units are conveyed on the production line, the tool is only required to be placed on the battery units, the busbar is not required to be placed on the battery units on the production line, and the tool part with the expansion part is taken off integrally after welding is finished, so that the production efficiency is greatly improved, and meanwhile, no live operation is required, and the safety of personnel is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic structural diagram of a working state of a busbar welding tool according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a first implementation of a busbar welding tool according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a second implementation of a busbar welding tool according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a busbar and a tooling member of a busbar welding tooling provided by an embodiment of the present utility model connected by an expansion member.

Reference numerals illustrate:

1. a battery unit; 2. welding a tool;

201. a tooling piece; 202. a through hole; 203. an expansion member; 204. a busbar; 205. a stop portion; 206. a connection hole; 207. a fixing hole;

20401. a protrusion.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

See fig. 1-4;

a busbar welding fixture of this embodiment, this welding fixture 2 includes:

a tooling piece 201; and

a bus bar 204 arranged at the bottom of the tool 201, the bus bar 204 being connected to the tool 201 by an expansion member 203;

through holes 202 are formed in the matched positions of the tool piece 201 and the bus bar 204, the through holes 202 are used for exposing welding parts of the bus bar 204, and the expansion piece 203 is located on the periphery of the through holes 202.

Specifically, this embodiment discloses a busbar welding frock 2, it includes frock piece 201 and fixes the busbar 204 in frock piece 201 bottom through expansion member 203, arrange busbar 204 according to the quantity of the busbar 204 that the group battery needs welded, simultaneously, the through-hole 202 has been seted up to the cooperation position of frock piece 201 and busbar 204 of this embodiment, the through-hole quantity is a plurality of or a plurality of intercommunication, this through-hole 202 can expose the welding position of busbar 204, can weld busbar 204 on corresponding battery cell through-hole 202 promptly, consequently, the through-hole 202 of this embodiment can regard as the welding passageway to use.

Preferably, the bus bar 204 of the present embodiment is formed with a protrusion 20401;

the bulge 20401 is provided with a connecting hole 206, and a fixing hole 207 is arranged at the matching position of the tool piece 201 and the connecting hole 206;

the expansion member 203 sequentially passes through the connection hole 206 and the fixing hole 207 to connect the bus bar 204 and the tool member 201.

In this embodiment, the busbar 204 is fixed to the tool 201 in advance by the expansion member 203, and therefore, the mounting holes, that is, the above-mentioned connection holes 206 and fixing holes 207, are required to be able to pass through the expansion member 203. The boss 20401 is provided with a connecting hole 206, and the corresponding fixture 201 is also provided with a fixing hole 207, so that the expansion member 203 sequentially passes through the connecting hole 206 and the fixing hole 207 to finally realize the fixation of the busbar 204 and the fixture 201. The whole plate-type structure of the tool piece 201 of this embodiment is provided with the expansion piece 203, which is an existing product and can be frequently plugged and unplugged, when the expansion piece 203 is embedded into the connection hole 206 and the fixing hole 207, the expansion part of the expansion piece 203 abuts against the lower surface of the connection hole 206, so that the bus 204 is connected under the expansion force of the expansion piece 203, and the bus cannot rotate under the action of no external force.

As extended embodiments, the structure of the bus 204 of the present embodiment has the following cases:

when at least two protrusions 20401 are provided on the bus bar 204, one connection hole 206 is provided on each protrusion 20401;

alternatively, when one boss 20401 is provided on the bus bar 204, the boss 20401 is provided with two connection holes 206 spaced apart in the extending direction thereof.

Based on the above definition, the bus 204 may be designed with at least two protrusions 20401, and each protrusion 20401 may be provided with a connection hole 206; alternatively, only one protrusion 20401 is designed on the bus 204, and two connection holes 206 are required to be formed on one protrusion 20401.

When the bus bar 204 is fixed to the tool 201 by an expansion member 203, the stop portion 205 of the present embodiment is different in rotation stopping structure in order to prevent rotation.

The two sides of the tooling piece 201 in the width direction of the embodiment are provided with stop parts 205;

the stopper 205 contacts the bus bar 204 to restrict the rotation of the bus bar 204.

When the boss 20401 of the bus bar 204 is provided with one connection hole 206, the stopper 205 is located on the outer side in the width direction of the bus bar 204, and the rotation of the bus bar 204 is prevented by the contact of the stopper 205 with the bus bar 204. This is by stopping the rotation on the side of the bus bar 204.

according to the welding tool 2 disclosed by the utility model, the busbar 204 is fixed on the tool piece 201 in advance through the expansion piece 203, so that the process split charging is realized, when the assembled battery units 1 are conveyed on a production line, the tool is only required to be placed on the battery units 1, the busbar 204 is not required to be placed on the battery units 1 on the production line, the tool piece 201 with the expansion piece 203 is entirely taken away after welding is finished, the production efficiency is greatly improved, meanwhile, the electrified operation is not required, and the safety of personnel is ensured.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. Busbar welding frock, its characterized in that, this welding frock (2) include:

a tooling piece (201); and

a busbar (204) arranged at the bottom of the tool (201), wherein the busbar (204) is connected with the tool (201) through an expansion piece (203);

the tool piece (201) is provided with a through hole (202), the through hole (202) is used for exposing a welding part of the busbar (204), and the expansion piece (203) is positioned on the periphery of the through hole (202).

2. The busbar welding fixture according to claim 1, wherein the busbar (204) is formed with a protrusion (20401);

a connecting hole (206) is formed in the boss (20401), and a fixing hole (207) is formed in a matching position of the tool piece (201) and the connecting hole (206);

the expansion piece (203) sequentially passes through the connecting hole (206) and the fixing hole (207) to connect the busbar (204) and the tooling piece (201).

3. The busbar welding fixture according to claim 2, wherein at least two protrusions (20401) are provided on the busbar (204), and one connection hole (206) is provided on each protrusion (20401);

or, the busbar (204) is provided with one protrusion (20401), and the protrusions (20401) are provided with two connecting holes (206) at intervals along the extending direction of the protrusions.

4. The busbar welding fixture according to claim 2, wherein both sides of the fixture piece (201) in the width direction have stopper portions (205);

the stopper (205) contacts the bus bar (204) to restrict rotation of the bus bar (204).