Square battery spot welding clamp integrated shell entering tool
By leaving the negative electrode of the battery cell and aluminum discharge port on the square battery spot welding fixture, the problems of unstable battery cells and inappropriate aluminum discharge position in the assembly of the lithium battery module are solved, and assembly efficiency and fixation stability are improved.
Patent Information
- Application Number
- CN202420684183.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-05
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-04-05
AI Technical Summary
During the modular assembly of lithium batteries, due to manual assembly, the battery cell is unstable and the laser spot welding aluminum row is inappropriate, resulting in increased rework, reduced efficiency and unreliable fixation.
A square battery spot welding fixture integrated into the shell tool is designed. By leaving the negative electrode of the battery cell and aluminum discharge port on the fixture, the battery cell position calibration and laser spot welding position calibration are realized, and the assembly efficiency is improved.
Through the reserved placement port and raised edge design of the fixture, the installation of the battery cell and aluminum rows is simplified, the assembly efficiency is improved, the rework and auxiliary material losses are reduced, and the fixing stability of the battery module is enhanced.
Smart Images

Figure CN222269059U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of square battery core spot welding tooling, in particular to a square battery shell insertion tooling with integrated spot welding fixture. Background Art
[0002] At present, the application field of lithium batteries is aimed at larger energy storage and power battery packs. The combination method used is to split the battery pack into multiple modules in advance, modularize the battery pack, perform modular operations, optimize the battery pack operation steps, and have the advantages of convenient operation and after-sales maintenance.
[0003] However, there are also problems such as battery modules being unstable after being put into the shell due to errors in manual assembly, battery cells not being on the same level, and inappropriate positioning of aluminum bars manually placed during laser spot welding. Rework is often required, and auxiliary materials are wasted, resulting in reduced efficiency and the battery modules are not securely fixed.
[0004] Therefore, a square battery spot welding fixture integrated into the shell insertion tool is provided to solve the above-mentioned problems. Utility Model Content
[0005] The purpose of the utility model is to solve the problems raised in the above background technology, and to propose a square battery spot welding fixture integrated into the shell insertion tool.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A square battery spot welding fixture integrated into a shell inserting tool, comprising a battery cell body, on which a battery cell positive electrode and a battery cell negative electrode are arranged, and further comprising:
[0008] A fixture, which is used to install the battery body;
[0009] Multiple groups of negative electrode placement openings are all arranged on the clamp, and the multiple groups of negative electrode placement openings are respectively located at two ends of the clamp;
[0010] A plurality of groups of aluminum bar placement openings are all arranged on the clamp, and the aluminum bar placement openings are arranged in the middle area of the clamp.
[0011] In order to facilitate the installation of the battery cell body, preferably, a raised edge is provided at the edge of the clamp.
[0012] Compared with the prior art, the utility model provides a square battery spot welding fixture integrated into the shell inserting tool, which has the following beneficial effects:
[0013] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model places the square battery cells according to the reserved placement openings of the clamp, and the aluminum bar is also placed according to the reserved placement openings, so as to complete the position calibration between the battery cells and the calibration of the position of the laser spot welded aluminum bar, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the structure of the battery cell body in a square battery spot welding fixture integrated into the shell inserting tooling proposed by the utility model;
[0015] Figure 2 This is a schematic diagram of the structure of a square battery spot welding fixture integrated into a shell inserting tooling proposed by the utility model;
[0016] Figure 3 This is a schematic diagram of the structure of the battery body and the fixture assembled in a square battery spot welding fixture in the utility model Figure 1 ;
[0017] Figure 4 This is a schematic structural diagram of a square battery spot welding fixture integrated with a shell inserting tooling before the battery cell body and the fixture are assembled;
[0018] Figure 5 This is a schematic diagram of the structure of the battery body and the fixture assembled in a square battery spot welding fixture in the utility model Figure 2 ;
[0019] Figure 6 A square battery spot welding fixture integrated into the shell tooling proposed by the utility model Figure 5 Schematic diagram of the structure of part A.
[0020] In the figure: 1. Battery cell body; 101. Battery cell positive electrode; 102. Battery cell negative electrode; 2. Clamp; 3. Aluminum bar placement port; 4. Negative electrode placement port. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0022] Example:
[0023] Reference Figure 1-6A square battery spot welding fixture integrated into a shell insertion tool, including a battery cell body 1, on which a battery cell positive electrode 101 and a battery cell negative electrode 102 are arranged, and also includes: a fixture 2, the fixture 2 is used to install the battery cell body 1; multiple groups of negative electrode placement openings 4, all of which are arranged on the fixture 2, and the multiple groups of negative electrode placement openings 4 are respectively located at both ends of the fixture 2; multiple groups of aluminum bar placement openings 3, all of which are arranged on the fixture 2, and the aluminum bar placement openings 3 are arranged in the middle area of the fixture 2, and a raised edge is arranged at the edge of the fixture 2.
[0024] First, if Figure 3 As shown, place the fixture 2 on a flat workbench, with the concave surface facing upward and the convex edge also facing upward, so as to wrap the periphery of the battery and fix it. Then turn the battery body 1 upside down, align the negative electrode 102 of the square battery body 1 with the negative electrode placement opening 4 of the fixture 2, and at this time, the positive electrode 101 of the square battery is also aligned with the aluminum row placement opening 3 in the middle of the fixture 2. The other group is opposite, the positive electrode 101 of the battery is located in the negative electrode placement opening 4, and the negative electrode 102 of the battery is located in the aluminum row placement opening 3. The installation is carried out in this way, as shown in the specific example. Figure 6 As shown, the electrodes in parallel directions in the same groove are the same pole.
[0025] Secondly, if Figure 5 , Figure 6 As shown, repeat Figure 3 The steps are as follows: the positive electrode of the square battery cell body 1 and the negative electrode of the square battery cell body 1 are placed one by one in the aluminum row placement port 3 and the negative electrode placement port 4 of the fixture 2 in sequence and in an orderly manner.
[0026] Finally, if Figure 5 As shown, after all the battery cell bodies 1 are placed in order in the fixture 2 to be assembled into a battery module, the battery module is fixed, and then the battery module is turned over smoothly. The aluminum bars are placed in the corresponding aluminum bar placement ports 3 in turn, and laser spot welding is performed. After the spot welding is completed, the fixture 2 is removed, leaving the battery module after battery welding, and the assembly of the battery module is completed.
[0027] The utility model places the square battery body 1 according to the reserved placement opening of the clamp 2, and also places the aluminum bar according to the reserved placement opening, so as to complete the position calibration between the battery cells and the calibration of the position of the laser spot welding aluminum bar, thereby improving work efficiency.
[0028] The above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the present invention according to the technical solution and inventive concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A square battery spot welding fixture integrated into a shell inserting tool, comprising a battery cell body (1), wherein the battery cell body (1) is provided with a battery cell positive electrode (101) and a battery cell negative electrode (102), characterized in that: Also includes: A clamp (2), wherein the clamp (2) is used to install the battery cell body (1); A plurality of groups of negative electrode placement openings (4) are all arranged on the clamp (2), and the plurality of groups of negative electrode placement openings (4) are respectively located at two ends of the clamp (2); A plurality of groups of aluminum bar placement openings (3) are all arranged on the clamp (2), and the aluminum bar placement openings (3) are arranged in the middle area of the clamp (2).
2. The square battery spot welding fixture integrated into the shell inserting tool according to claim 1, characterized in that: The edge of the clamp (2) is provided with a raised edge.