Machine tool inspection rod locking tool

By designing countersunk holes in the bearing housing and tooling base plate on the machine tool, and combining the point contact of the center bolt and steel ball, the positioning offset and wear problems of traditional locking test bars are solved, achieving efficient and simple locking and fixing.

CN224373407UActive Publication Date: 2026-06-19FUXIN JINDA PRECISION MACHINERY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FUXIN JINDA PRECISION MACHINERY CO LTD
Filing Date
2025-07-28
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Traditional locking test bar methods suffer from problems such as positioning misalignment, low efficiency, component wear and frequent operation, especially radial misalignment and wear of the test bar caused by inconsistent bolt tightening torque.

Method used

By adopting the countersunk hole design on the bearing housing, combined with the tooling base plate and the center bolt, the three-point positioning of the center bolt and the two clamping bolts is used to eliminate flatness error by using the point contact of the steel ball, so as to achieve quick and easy locking and fixing.

Benefits of technology

It achieves stable positioning of the test bar, avoids offset and wear caused by inconsistent locking torque, simplifies the operation process, improves locking efficiency and reduces component wear.

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    Figure CN224373407U_ABST
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Abstract

This utility model discloses a machine tool inspection bar locking fixture, relating to the technical field of machine tools. This utility model aims to solve the problems of easy positioning misalignment, low efficiency, component wear, and frequent operation of inspection bars. The utility model includes a bearing housing with a countersunk hole. The inspection bar body is inserted into the countersunk hole. A fixture base plate is mounted on the end face of the countersunk hole. The fixture base plate is fixedly connected to the bearing housing by two clamping bolts. A center bolt is threaded onto the bearing housing, abutting against the inspection bar, and the center bolt and the inspection bar are coaxially arranged.
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