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Eccentric tool fine-adjustment mechanism

A fine-tuning mechanism and eccentric technology, which is applied in tool holders, manufacturing tools, accessories of tool holders, etc., can solve problems affecting the stability of tool holders, etc.

Inactive Publication Date: 2014-08-06
YANCHENG INST OF IND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the size of the tool bar is small, the fine-tuning mechanism of the thread transmission cannot be realized, and the radial sliding thread adjustment mechanism of the tool bar affects the stability of the tool bar

Method used

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  • Eccentric tool fine-adjustment mechanism

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Embodiment Construction

[0007] Referring to the accompanying drawings, the present invention provides an eccentric tool fine-tuning mechanism for part hole machining, including a tool bar 1, a lock nut 2, an elastic taper sleeve 3, an indicator plate 4, a set screw 5, a compression spring 6, a positioning Steel ball 7, knife seat 8.

[0008] One end of the eccentric tool fine-tuning mechanism knife rod 1 is equipped with a detachable blade, and the other end is closely matched with the cylindrical inner hole of the tool holder 8. The inner hole of the tool holder 8 is designed with an eccentricity with the reference outer circle, and the elastic cone The cone of cover 3 cooperates with the end taper hole of knife seat 8, and the inner cylindrical hole of elastic taper sleeve cooperates with knife bar 1.

[0009] The lock nut 2 is threadedly connected to the tool seat 8 , and the end surface of the inner hole of the lock nut 2 is pressed against the large end surface of the elastic taper sleeve 3 .

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Abstract

Disclosed is an eccentric tool fine-adjustment mechanism. The mechanism comprises a toolbar, a locking nut, an elastic taper sleeve, an indicator, a set screw, a compression spring, a positioning steel ball and a tool holder. A detachable blade is mounted at one end of the toolbar, the other end of the toolbar is in close fit with a cylindrical inner hole of the tool holder, eccentricity is designed for the inner hole of the tool holder and a reference outer circle, a taper of the elastic taper sleeve is matched with an end taper hole of the tool holder, and an inner cylindrical h ole of the elastic taper sleeve is matched with the toolbar. The locking nut is connected on the tool holder through a thread, and the end face of an inner hole of the locking nut is in press fit with the large end face of the elastic taper sleeve. The radial positioning steel ball is arranged on the tool holder and is in press fit with an axial positioning groove in the toolbar, the toolbar rotates by a half cycle, and size from a tool nose to a reference center of the tool holder is changed correspondingly. When the locking nut is in press fit with the elastic taper sleeve, the toolbar is locked, and when the locking nut is loosened, the toolbar can be adjusted rotationally, so that an eccentric fine-adjustment function is realized.

Description

technical field [0001] The invention relates to an eccentric tool fine-tuning mechanism, which belongs to a mechanical transmission adjustment device, and is mainly used for tool position adjustment during part hole machining. Background technique [0002] In the inner hole cutting process of parts, the installation position of the tool needs to be adjusted after the tool is worn or the machining size changes. At present, the fine-tuning mechanism of the threaded drive block or the radial sliding thread adjustment mechanism of the tool bar are mostly used. When the size of the tool bar is small, the fine-tuning mechanism of the thread transmission cannot be realized, and the radial sliding thread adjustment mechanism of the tool bar affects the stability of the tool bar. Contents of the invention [0003] In order to better realize the adjustment of the hole machining tool after the tool is worn or the machining size changes, the invention provides an eccentric tool fine-t...

Claims

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Application Information

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IPC IPC(8): B23B29/10
CPCB23B29/10B23B31/0261B23B29/03428B23B2260/004
Inventor 李爱花王其松
Owner YANCHENG INST OF IND TECH
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