Three-dimensional bent profile piece detection tool structure

By integrating the inspection fixture structure for semi-finished and finished profiles, the problem of extended construction period and increased costs caused by separate inspection fixture design in the existing technology is solved, and convenient and efficient inspection results are achieved.

CN224215980UActive Publication Date: 2026-05-08ZHEJIANG CHINALCO AUTOMOBILE LIGHTWEIGHT TECH CO LTD
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Patent Information

Application Number
CN202520816689.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-27
Publication Date
2026-05-08
Estimated Expiration
2035-04-27

AI Technical Summary

Technical Problem

In existing technologies, the design of inspection fixtures for the bending process and subsequent processing of three-dimensional bending products is separate, which leads to extended fixture lead times and increased costs, making it difficult to meet the requirements of short-cycle small-batch production in new automotive projects.

Method used

Design a fixture structure that integrates the inspection of semi-finished and finished profiles, including a base plate and an arc-shaped positioning seat, and set up semi-finished and finished product positioning components. By using a combination of top block, push block and spring, convenient positioning and inspection of semi-finished and finished profiles can be achieved.

Benefits of technology

This technology integrates the inspection content of the bending process and subsequent processes, reducing costs, facilitating positioning and inspection, and improving inspection accuracy.

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Abstract

The utility model relates to a three-dimensional bending section bar member testing fixture structure comprising a base plate and a positioning seat which is fixedly connected on the base plate and extends in an arc shape, and the top of the positioning seat is provided with an arc groove for placing a section bar along the extension direction of the positioning seat. A semi-finished product positioning assembly for positioning a semi-finished product profile and a finished product positioning assembly for positioning a finished product profile are arranged in the arc grooves in the positioning seat, the semi-finished product positioning assembly comprises an ejector block which is arranged in the positioning seat and used for abutting against the back side of the semi-finished product profile, and the back side of the ejector block is fixedly connected with a connecting rod. The connecting rod penetrates through a clamping seat, the end of the connecting rod is fixedly connected with a pushing block, a spring is connected between the pushing block and the clamping seat in an abutting mode, and the pushing block retracts or protrudes into a clamping groove formed in the clamping seat through stretching and retracting of the spring.
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