A clamping device for bearings

By designing the drive wheel and clamping jaw assembly, and utilizing a flexible contact head and motor gear system, the problems of displacement and damage during bearing clamping are solved, achieving efficient and damage-free clamping, and improving bearing machining accuracy and ease of operation.

CN224544334UActive Publication Date: 2026-07-24CHANGZHOU ZIGUANG NEEDLE ROLLER BEARING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGZHOU ZIGUANG NEEDLE ROLLER BEARING CO LTD
Filing Date
2025-08-15
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing bearing clamping devices are prone to slight displacement or deformation during clamping, which can lead to a decrease in machining accuracy, and uneven clamping force may damage the bearing.

Method used

The device employs a drive wheel and clamping jaw assembly, which uniformly clamps the inner ring of the bearing through a flexible contact head. The synchronous opening and closing motion of the clamping part is achieved by using a drive motor and gear system. Combined with the through-slot design of the guide rail slider pair and auxiliary plate, it ensures uniform clamping force and no damage.

Benefits of technology

It achieves stable and damage-free clamping of bearings, improves machining accuracy and the degree of automation of operation, and simplifies the clamping process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of clamping devices for bearing, including pedestal, first mounting bracket, driving wheel disc and at least two clamping jaw assemblies, the first mounting bracket is installed on the pedestal;The driving wheel disc is rotatably installed on the first mounting bracket, driving cavity is equipped in the driving wheel disc, trajectory block is equipped in the driving cavity, trajectory groove is equipped around the trajectory block;The clamping jaw assembly includes movable part and clamping part, the movable part is arranged in the driving cavity and is slidably connected in the trajectory groove, the movable part is connected with the clamping part, the clamping part extends to driving wheel disc outside;When driving wheel disc rotates, the trajectory block is suitable for driving the movable part moves along the trajectory groove, drives each clamping part to realize the synchronous opening and closing movement of clamping surface. It can be well clamped bearing and not damage bearing, and operation procedure is simple.
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