Vacuum electron beam welding tool for remelting of copper alloy contact surfaces

By designing a vacuum electron beam welding fixture, the temperature is monitored in real time and fumes are removed, which solves the problems of uneven remelted layer thickness and fume pollution during the remelting process of copper alloy contacts, and achieves high-quality and consistent copper alloy contact welding.

CN224406634UActive Publication Date: 2026-06-26WESTERN METAL MATERIAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WESTERN METAL MATERIAL
Filing Date
2026-03-26
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

During the remelting process of copper alloy contact surfaces, existing technologies struggle to guarantee the consistency of the remelted layer thickness and microstructure. Furthermore, the welding process generates significant dust pollution, impacting product quality and consistency.

Method used

Design a vacuum electron beam welding fixture, including a limiting boss, a temperature sensor mounting hole and a fan-shaped groove, to monitor temperature changes in real time during the welding process and remove welding fumes through an air extraction system, ensuring accurate workpiece positioning and uniform heat dissipation.

Benefits of technology

It achieves precise control over the thickness and microstructure of the remelted layer, improves the consistency of product performance, reduces dust pollution, and increases the yield of finished products.

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Abstract

The utility model belongs to metal welding technical field, concretely relates to a vacuum electron beam welding frock for copper alloy contact surface remelting. Including frock base body, be provided with limit boss on frock base body, and limit boss is used for placing the workpiece to be processed, the central counterbore is opened in the central position of limit boss, and the central counterbore is used for realizing the preposition of workpiece with the cooperation of positioning pin, limit boss is opened with the sector slot in the central counterbore circumference, and the position of sector slot corresponds with the hollowed-out area of workpiece to be processed, limit boss is opened with temperature sensor mounting hole, and temperature sensor mounting hole is used for installing temperature sensor, and the workpiece temperature in the welding process and after welding is monitored in real time. This frock integrates efficient heat monitoring, three-dimensional accurate adaptation and process stability control, fundamentally improves and unifies copper alloy contact postweld heat dissipation condition, realizes the precision control of copper alloy contact remelting layer thickness and organization consistency in large quantities, and effectively inhibits workpiece postweld deformation.
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