Welding jig and welding device

By designing a welding fixture for square shell batteries, the full welding process of one clamping is achieved, and the battery cell damage and welding consistency deviation caused by multiple positioning and clamping of the battery is solved, and the production efficiency and product yield are improved.

CN222660553UActive Publication Date: 2025-03-25SVOLT ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202420644661.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-29
Publication Date
2025-03-25
Estimated Expiration
2034-03-29

AI Technical Summary

Technical Problem

During the welding process of square shell batteries, the existing technology requires two clamping products, which causes multiple positioning of the battery to damage the battery cell, causing deviations in the consistency of welding products, increasing the production rhythm, and reducing production efficiency.

Method used

A welding fixture is designed, including installation components, support members and fixing parts. The support members rotate each welding part of the object to be welded to the welding position, and the fixing part fixes the object to be welded through the pressing part to achieve full welding process in one clamping.

Benefits of technology

Through full welding of one clamping, the probability of battery damage is reduced, the product's press-fit yield is improved, the production rhythm is reduced, and the production efficiency is improved.

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Abstract

The utility model relates to the technical field of battery processing, in particular to a welding jig and a welding device.The welding jig comprises a mounting assembly, a bearing piece and a fixing piece, and the bearing piece is rotationally arranged on the mounting assembly and used for bearing an object to be welded; the fixing piece is arranged on the bearing piece and used for fixing an object to be welded. And each welding part of the to-be-welded object can be rotated to a welding position by the bearing piece through rotation. When the positive electrode and the negative electrode of the battery are welded, the battery only needs to be clamped once in the whole process, the damage probability of the battery can be reduced, the press-fitting yield of products is greatly improved, meanwhile, the production takt time can be reduced, and the production efficiency is improved.
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