Multifunctional precise micro-milling device for hardness detection

By integrating a milling head, guide components, and height measuring components, a multi-functional precision micro-milling device has been developed, which solves the problem of inaccurate control of milling depth of parts after heat treatment. It enables efficient and precise milling and chip collection, improves inspection efficiency and accuracy, and facilitates tool maintenance.

CN121624920AActive Publication Date: 2026-03-10莱州华银试验仪器有限公司
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Patent Information

Application Number
CN202610154780.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-02-04
Publication Date
2026-03-10
Estimated Expiration
2046-02-04

AI Technical Summary

Technical Problem

Existing technologies make it difficult to precisely control the milling depth of parts after heat treatment, resulting in unstable machining quality and even scrapping of workpieces.

Method used

A multifunctional precision micro-milling device for hardness testing was designed, which integrates a milling head, a guide component, a vertical movement drive component, and a height measurement component. The device monitors the workpiece surface height in real time through a displacement sensor, and achieves efficient and precise milling by combining a servo motor and a linear guide rail. Iron chips are collected by a vacuum cleaner.

Benefits of technology

It enables precise control of milling depth, improves machining quality, reduces the impact of irregular factors, improves inspection efficiency and accuracy, and facilitates tool replacement and maintenance.

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Abstract

The invention relates to a multifunctional precise micro-milling device for hardness detection, which comprises a movable slide carriage, a U-shaped mounting plate and a milling head mounting plate, the U-shaped mounting plate and the milling head mounting plate are mounted on the movable slide carriage, a displacement sensor and a matched lifting unit are mounted on the U-shaped mounting plate, and a milling assembly is mounted on the milling head mounting plate. According to the invention, a mechanical device is utilized to make flexible contact with a test surface, the actual position of the test surface is reflected in real time through a displacement sensor, a servo motor acceleration and deceleration machine is adopted for driving, the height of the test surface is measured, and the height of the test surface is measured. The high-speed milling head is guided and driven by the heightened rigid wide linear guide rail to reach a reasonable height, a high-quality test surface is efficiently and accurately milled, a basically closed milling environment is formed in the lifting cutter sleeve, milling chips are collected through the high-power dust collector, and the cutter can be easily separated from the external lifting cutter sleeve through a rotatable push-pull structure. And the cutting blade is convenient to replace and maintain.
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