A quick-change integrated fixture for hardware machining centers

By designing a quick-change integrated fixture, and utilizing the cooperation of a threaded shaft to drive a floating plate and a push sleeve, the problem of low clamping efficiency in traditional hardware processing fixtures is solved, enabling quick clamping and unclamping of hardware parts and improving processing efficiency.

CN122299428APending Publication Date: 2026-06-30SHENZHEN JINSHENGXIN PRECISION TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHENZHEN JINSHENGXIN PRECISION TECHNOLOGY CO LTD
Filing Date
2026-05-18
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Traditional hardware processing fixtures have low clamping efficiency, especially in situations where protective doors need to be closed, the operation steps are cumbersome and cannot achieve quick changeover.

Method used

A quick-change integrated fixture was designed, comprising an upper mold platform, a lower mold platform, a floating plate, a threaded shaft, a fixed sleeve, and a deformable clamping sleeve. The threaded shaft drives the floating plate and the push sleeve to cooperate, enabling the quick clamping and unclamping of multiple hardware parts.

Benefits of technology

It enables quick and easy clamping and unclamping of hardware parts, improves processing efficiency, and is suitable for efficient processing of various shaft and ring hardware parts.

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Abstract

This invention relates to the field of machining center fixture technology, and discloses a quick-change integrated fixture for a hardware machining center. The invention includes an upper mold platform and a lower mold platform, which are bolted together and detachable. After assembly, the upper and lower mold platforms have internal space. The bottom of the lower mold platform is symmetrically equipped with two fixed legs for mounting on the machining center workbench, and clamped thereon with bolts and nuts. This invention utilizes an Allen wrench to rotate a threaded shaft, first moving a floating plate along with a guide cone to its lower limit position, where the deformable sleeve wall is no longer under pressure, allowing the hardware to be placed inside. Reverse rotation of the wrench drives the floating plate upwards via the threaded joint, which, through the connecting plate and pull rod, drives multiple sets of push sleeves to move upwards simultaneously, compressing the deformable sleeve to shrink its expansion joint and narrow its inner wall, clamping the hardware with an interference fit. This allows for rapid batch clamping.
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