A feeding fixture for machining metal die castings

CN224425605UActive Publication Date: 2026-06-30ITECH PRECISION SHENYANG PTE LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ITECH PRECISION SHENYANG PTE LTD
Filing Date
2025-06-20
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing feeding fixtures have problems such as uneven clamping force, difficulty in controlling synchronization, high energy consumption, complex structure and poor environmental adaptability in the processing of metal die castings, which affect the processing accuracy and stability.

Method used

It uses a motor drive combined with the meshing of gears and racks to achieve precise synchronous movement of the clamping plates, and ensures consistent clamping force through a double limiting method. The clamping plates are designed with a contour structure for easy replacement and can be adapted to different products.

Benefits of technology

This improved the stability and applicability of clamping, avoided workpiece skewing and localized stress concentration, and enhanced machining accuracy and production efficiency.

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Abstract

This utility model discloses a feeding fixture for processing metal die-casting parts, which relates to the field of fixture technology. It includes a fixed plate, a motor, gears, a pair of moving cylinders, a pair of limiting plates, and a pair of clamping plates. Multiple fixing posts are provided at the top and bottom corners of the fixed plate, and these posts are connected to an external robotic arm. The motor is capable of forward and reverse rotation and is fixedly positioned at the top center of the fixed plate. The motor's output shaft rotates through the bottom of the fixed plate and is fixedly connected to the gears. This utility model achieves precise synchronous movement of the clamping plates through a single motor drive combined with the meshing of the gears and a pair of racks. This eliminates the problem of uneven clamping force caused by air pressure fluctuations or response delays in traditional multi-cylinder fixtures. Furthermore, the moving cylinders employ a double limiting method, ensuring that the displacement and clamping force of each jaw are highly consistent during clamping, preventing workpiece skewing or localized stress concentration, and guaranteeing clamping stability.
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