A welding device for processing metal back panels of television sets

By designing a welding device that pushes the welding components, tilts the lateral components, applies single-point pressure, and applies downward cleaning components, the problem of insufficient flexibility and precision of existing metal back panel welding devices for televisions under complex working conditions has been solved. This has enabled an efficient and reliable welding process and high-quality welding results, while reducing equipment costs and maintenance difficulties.

CN121715729BActive Publication Date: 2026-05-26NANJING STILLAND MASCH TECH CO LTD
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Patent Information

Application Number
CN202610222462.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2026-02-25
Publication Date
2026-05-26
Estimated Expiration
2046-02-25

AI Technical Summary

Technical Problem

Existing metal backplate welding equipment for televisions lacks flexibility and precision when facing complex working conditions, resulting in numerous potential welding quality problems. Furthermore, welding and stress relief are separate processes, leading to low production efficiency and product consistency. The cleaning system is also highly complex, increasing maintenance costs.

Method used

A welding device was designed, comprising a pushing welding component, a tilting lateral component, a single-point pressure component, and a downward pressure cleaning component. It utilizes a purely mechanical transmission system to achieve precise positioning and angle adjustment of the welding torch head, integrates online stress relief and cleaning functions, and employs an array-type negative pressure fixed suction cup for stable clamping.

Benefits of technology

It achieves high-precision positioning and angle adjustment of the welding gun head, reduces equipment costs and maintenance difficulty, improves welding quality and production efficiency, ensures the reliability and cleanliness of the welding process, reduces welding defects, and enhances product dimensional stability and production line flexibility.

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Abstract

This invention relates to the field of welding-related technologies, and in particular to a welding device for processing metal back panels of television sets. The device includes a welding box, a fixed frame, and a welding rack. The fixed frame is fixedly mounted on the top of the welding box, and the welding rack is movably mounted on the bottom of the fixed frame. A pushing welding assembly is installed inside the welding rack, which pushes the welding torch head within the assembly to move horizontally across the back panel surface, forming a continuous welding strip. The tilting lateral assembly of this invention achieves digital and programmable angle adjustment, with high precision and good repeatability, enabling it to perform automated welding of various complex welds such as flat fillet welds and vertical fillet welds. The single-point pressure assembly refines grains and releases thermal stress through mechanical impact, directly intervening in welding deformation and cold cracking hazards. The downward cleaning assembly ensures that every welding is performed on a contaminated surface, fundamentally eliminating welding defects such as porosity and slag inclusions caused by dust and oil.
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