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Tool chuck for preventing cylinder clamp from rotating

A technology of tool chuck and collet, which is applied in the direction of the chuck, etc., and can solve the problems of lowering, cutting tools not working normally, lowering clamping force, etc.

Inactive Publication Date: 2015-05-06
常州市永联管桩有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When working, the tool chuck rotates at high speed, and the collet will rotate under the action of huge torque, which will cause the clamping force of the tool chuck to the tool to decrease, and the tool cannot work normally or the working efficiency will be reduced.

Method used

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  • Tool chuck for preventing cylinder clamp from rotating
  • Tool chuck for preventing cylinder clamp from rotating

Examples

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Embodiment Construction

[0012] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0013] Such as figure 1 , 2 , a tool chuck for preventing the collet from rotating, comprising a tool holder 1, a collet 2, and a nut 3, the collet is a tapered collet, and the axial direction of the cutter rod is provided to be compatible with the outer taper of the collet Equipped with an inner taper hole 4, the front part of the tool bar is provided with an external thread, the collet is clamped in the inner taper hole, and at least two axial telescopic grooves are evenly distributed around the circumference of the collet, and the nut is arranged at the front end of the collet And it is threadedly connected with the external thread of the front part of the cutter bar, and the hole wall of the inner tapered hole is provided with 4 axial limit protrusions 5 which are evenly distributed around the hole wall circumference, and the collet is pro...

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PUM

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Abstract

The invention relates to a tool chuck for preventing a cylinder clamp from rotating. The tool chuck comprises a tool rod, the cylinder clamp and a nut. The cylinder clamp is a conical cylinder clamp. An inner conical hole matched with the outer taper of the cylinder clamp is axially formed in the tool rod. External threads are formed in the front portion of the tool rod. The cylinder clamp is clamped in the inner conical hole. At least two axial telescopic grooves are evenly distributed in the periphery of the cylinder clamp. The nut is arranged at the front end of the cylinder clamp and connected with the external threads of the front portion of the tool rod in a threaded mode. A plurality of axial limiting protrusions evenly distributed in the periphery of the hole wall are arranged on the hole wall of the inner conical hole. Limiting grooves corresponding to the limiting protrusions are formed in the cylinder clamp. By means of the scheme, through the cooperation of the limiting protrusions and the limiting grooves, the cylinder clamp is limited in the radial direction and prevented from rotating, and the work stability of the tool chuck is effectively improved.

Description

technical field [0001] The invention relates to the field of tool clamping components of machine tools, in particular to a tool chuck for preventing a collet from rotating. Background technique [0002] The currently used tool chuck generally includes a tool holder, a collet, and a nut. The handle of the tool is inserted into the collet, the collet is clamped in the tool rod, the nut is threaded with the tool rod, and the nut tightens the collet during the tightening process. Pushing forward, the collet is forced to shrink in diameter, clamping the shank of the tool. When working, the tool chuck rotates at high speed, and the collet will rotate under the action of huge torque, which will cause the clamping force of the tool chuck to the tool to decrease, and the tool cannot work normally or the working efficiency will be reduced. Contents of the invention [0003] In view of the above problems, the object of the present invention is to provide a tool holder that prevents ...

Claims

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Application Information

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IPC IPC(8): B23B31/113
CPCB23B31/1122
Inventor 蒋树松
Owner 常州市永联管桩有限公司
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