Flat long section CNC machining jig

By introducing a flexible contouring structure of urethane support blocks and pressure blocks into the CNC machining fixture, combined with the pressure claw cylinder assembly, the problem of deformation of flat, long, and thin parts during machining was solved, and the yield rate was improved.

CN224526525UActive Publication Date: 2026-07-21DONGGUAN CHENGMAO PRECISION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN CHENGMAO PRECISION TECH CO LTD
Filing Date
2025-07-11
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing CNC machining fixtures cannot effectively prevent flat, long, and thin parts from deforming during processing, resulting in low yield rates.

Method used

A CNC machining fixture comprising urethane support blocks and urethane pressure blocks was designed. The fixture forms a stable support surface by attaching a flexible contoured structure to the surface of a flat, long, thin part, and is combined with a pressure claw cylinder assembly to achieve fixation and machining.

Benefits of technology

It effectively avoids deformation of flat, long, and thin parts during CNC machining, improves the yield rate, and has the advantages of novel structural design and good stability and reliability.

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Abstract

The utility model discloses a kind of flat long section member CNC processing jigs, it includes jig base, product placement plate, movable cover, product placement plate is installed in the upper end portion of jig base, and the edge portion of product placement plate is equipped with several press jaw cylinder assemblies;The rear end edge portion of product placement plate is hinged with the rear edge edge portion of movable cover by hinge;The upper surface of product placement plate is equipped with optimus glue support block, and optimus glue support block is profiled with profiled placement groove;The lower surface of movable cover is equipped with optimus glue pressing block corresponding optimus glue support block, and optimus glue pressing block is profiled with profiled hold-down groove;Movable cover is vertically penetrated with processing through slot in corresponding flat long section member's CNC processing position, and processing through slot is communicated with the profiled hold-down groove of optimus glue pressing block.Through the above structural design, the utility model has the advantages of novel structure design, good stability and reliability, and can effectively avoid deformation of flat long section member during CNC processing.
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