Drill chuck with lubricating device

A technology for lubricating devices and drill chucks, which is applied in the manufacture of tools, accessories of tool holders, turning equipment, etc., can solve the problems of short flexibility time and short life of drill chucks, and achieve extended flexibility and reduced friction , the effect of prolonging the service life

Inactive Publication Date: 2012-08-29
WEIHAI DAWANG HARDWARE PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the problems of short flexibility time and short service life of the above-mentioned drill chuck, and provides a drill chuck with a lubricating device that maintains flexibility for a long time and has a long life.

Method used

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  • Drill chuck with lubricating device
  • Drill chuck with lubricating device
  • Drill chuck with lubricating device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] Such as figure 2 and image 3 As shown, the drill chuck body 11 is obliquely and symmetrically processed with three jaw holes 7 penetrating up and down, and three ball holes 8 are provided at the upper end of the drill chuck body 11 corresponding to the three jaw holes 7, and the lower end Along the central axis of the drill chuck body 11, a tool hole 10 larger than the maximum applicable tool assembly outer diameter is processed, and the upper end of the push screw 1 is processed with a host connection that matches the transmission shaft of the equipment host that assembles the self-tightening drill chuck. Hole 2, the upper end of the drill chuck body 11 is processed with a connecting hole 6 matching the outer diameter of the lower end of the push screw 1 along the central axis, and the lower end of the push screw 1 is movably sleeved in the connecting hole 6, and the connecting hole 6 and the tool hole 10 is provided with a partition 16, so that the two are not conn...

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PUM

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Abstract

The invention relates to a drill chuck with a lubricating device and solves the problems of short flexibility time and short service life of the existing drill chuck. The drill chuck is provided with a pushing lead screw, a main machine connecting hole, a pushing nut, clamping jaws and a drill chuck body, wherein the pushing lead screw is in threaded connection with the pushing nut; the pushing nut is connected with the clamping jaws; the drill chuck body is provided with clamping jaw holes; the clamping jaws are positioned in the clamping jaw holes; and a clamping jaw lubricating device is arranged on the clamping jaw body and is communicated with the clamping jaw holes. The drill chuck can be widely applied to the field of machining.

Description

technical field [0001] The invention relates to a tool holder for mechanical processing, in particular to a drill chuck with a lubricating device. Background technique [0002] In production and processing activities, machine tools, electric drills and other tools are often used for drilling, milling and other operations. The drill chucks installed on the working axes of these equipment hosts to hold drills, milling cutters and other tools have experienced long-term application and improvement. But there are still many deficiencies. [0003] For example, the patent application whose authorized announcement number is CN 201291311Y discloses a kind of self-tightening drill chuck, such as figure 1 As shown, it is provided with a push screw 30 , a push nut 31 , a casing 32 , a drill chuck body 33 , and jaws 34 . Its working principle is: turn the shell 32 by hand, drive the drill chuck body 33 to rotate relative to the push screw 30 connected on the equipment working shaft, an...

Claims

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Application Information

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IPC IPC(8): B23B31/12B23B31/165B23Q11/12
Inventor 柳尧亭于庆滋
Owner WEIHAI DAWANG HARDWARE PROD
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