一种转辙机表示杆的高精密加工设备及其加工方法

By integrating a multi-source monitoring module and a rapid sinking device into the milling machine, the problem of the inability of traditional milling machines to monitor milling cutter wear in real time was solved, enabling high-precision machining of the switch machine indicator rod and improving machining quality and equipment safety.

CN122400629APending Publication Date: 2026-07-17

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Filing Date
2026-05-22
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional milling machines cannot monitor the wear of the milling cutter in real time and with high precision when performing finishing on the indicator rod of a switch machine, which leads to a decrease in machining accuracy or scrap of the workpiece.

Method used

A stress monitoring device consisting of a six-layer, twenty-four-directional grating sensor array, combined with an acoustic emission (AE) monitoring unit, an infrared monitoring unit, and a machine vision monitoring unit, is used to monitor the micro-cracks, temperature anomalies, and macro-wear of the milling cutter in real time. Data fusion is performed by a central processing unit to trigger a rapid sinking device to achieve dynamic removal of the workpiece.

Benefits of technology

It enables real-time, all-round monitoring of the milling cutter's working status, improving the reliability and processing quality of the milling process, preventing workpiece damage, and enhancing production efficiency and equipment safety.

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Abstract

本发明公开了一种转辙机表示杆的高精密加工设备及其加工方法,涉及铣削加工技术领域,为解决现有技术中传统铣床在对转辙机表示杆进行精加工时,不能实时高精度监测铣刀的磨损情况,大都采用周期性更换或者采用低精度的加速计监测铣刀工况,不能满足转辙机表示杆高精度的孔位铣削,影响产品质量的问题,其技术要点是:主机架,主机架上设置有铣削单元,铣削单元包括用于监测铣刀受力的监测模块,监测模块包括用于监测铣刀裂纹的声发射 AE 监测单元、用于监测铣刀温度的红外监测单元和用于监测铣刀磨损的机器视觉监测单元,提高了铣削过程可靠性,避免了表示杆铣削时因铣刀磨损而损坏,提高了表示杆的生产质量。
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