JPS608U

JPS608U - cutting tool holding device

Info

Publication number: JPS608U
Application number: JP9114983U
Authority: JP
Inventors: 吉村　博仁; 勝又　徳昭; 伊藤　倍美; 小枝指　祐三
Original assignee: Mitsubishi Materials Corp; Toyota Motor Corp
Current assignee: Mitsubishi Materials Corp; Toyota Motor Corp
Priority date: 1983-06-13
Filing date: 1983-06-13
Publication date: 1985-01-05
Also published as: JPH0318085Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は切削工具を保持した従来の切削工具保持装置の
縦断面図、第２図は切削工具を保持したこの考案の実施
例の縦断面図、第３図は第２図の■−■線断面図、第４
図は同じく第２図のＩＶ−ＩＶ線断面図である。１１・・・保持具本体、１４・・・クランプ・ロッド、
１７・・・弾性体、２１・・・流体室、２３・・・回り
止めピン、２４・・・位置決めピン、２５・・・係合孔
、３１・・・切削工具、３１ｂ・・・位置決め溝、３４
・・・係合ロッド。Fig. 1 is a vertical sectional view of a conventional cutting tool holding device holding a cutting tool, Fig. 2 is a longitudinal sectional view of an embodiment of this invention holding a cutting tool, and Fig. 3 is a vertical sectional view of the conventional cutting tool holding device holding a cutting tool. Line sectional view, 4th
The figure is also a sectional view taken along the line IV-IV in FIG. 2. 11... Holder body, 14... Clamp rod,
17... Elastic body, 21... Fluid chamber, 23... Detent pin, 24... Positioning pin, 25... Engagement hole, 31... Cutting tool, 31b... Positioning groove , 34
...Engagement rod.

Claims

[Scope of utility model registration request]

A cylindrical holder main body having a thick side wall, a back cover that closes one end of the holder main body, a rod part inserted through a through hole of the back cover, and a clamp part slid into the inner hole of the holder main body. a cutting tool holder having a piston-like clamp rod that can be inserted into the holder body, and holding and fixing a round bar-shaped attachment part of the cutting tool fitted from the other end of the holder main body by the clamp rod; In the apparatus, an engagement mechanism is provided at the end of the clamping part of the clamp rod, and the engagement mechanism corresponds to the engagement mechanism provided at the end of the mounting part of the cutting tool, and these engagement mechanisms are arranged at the end of the clamping part of the clamp rod, and these engagement mechanisms It has a configuration in which it is engaged at a certain relative position and disengaged at another relative position, and a detent pin is provided on the inner surface of the side wall of the holder main body, and the outer circumferential surface of the clamp portion of the clamp rod is provided. A positioning pin is provided on the end surface of the opening side, and one end of the circular arc provided on the joint surface of the flange of the cutting tool engages with a longitudinal groove provided in the same (opening side end surface). When the other end is in the same position (the other end is engaged in the positioning groove corresponding to the disengaged position), an elastic body is inserted between the free end of the rod part of the clamp rod and the back cover, and a washer is inserted. and tightening with an adjustment nut, and a communication hole is provided in the rear part of the side wall of the holder body to communicate the fluid chamber formed between the end surface of the clamp part and the inner surface of the back cover with an external fluid source. Tool holding device.