JPS59167620U

JPS59167620U - Cutting tool for drilling

Info

Publication number: JPS59167620U
Application number: JP6253783U
Authority: JP
Inventors: 水木　叔知
Original assignee: ダイジヱツト工業株式会社
Priority date: 1983-04-25
Filing date: 1983-04-25
Publication date: 1984-11-09

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案による穿孔用切削工具の正面図を示し、
第２図は、この工具に用いるチップの正面図で、第３図
は第２図Ａ−Ａ断面したチップをシャンク本体に嵌合し
た状態の底面図で、第４図は本考案による他の実施例を
示す穿孔用工具の正面図を示し、第５図は第４図に示し
た工具に用いるチップの正面図で、第６図は第５図の底
面図などである。１．１ａ・・・シャンク本体、２．　２ａ・・・チップ
、３・・・締付ボルト、１１，１１．・・・側壁、１２
・・・底面、１３・・・スリット溝、２１・・・上面、
２２．　２２□・・・切刃、２３．２３□・・・受は面
、２４．２４□・・・立壁、２６・−・凹部。FIG. 1 shows a front view of a cutting tool for drilling according to the present invention,
Fig. 2 is a front view of the tip used in this tool, Fig. 3 is a bottom view of the tip taken along the line A-A in Fig. 2 and fitted into the shank body, and Fig. 4 is a cross-sectional view of the tip used in this tool. FIG. 5 is a front view of a tip used in the tool shown in FIG. 4, and FIG. 6 is a bottom view of FIG. 5. 1.1a...shank body, 2. 2a... Chip, 3... Tightening bolt, 11, 11. ...side wall, 12
... bottom surface, 13 ... slit groove, 21 ... top surface,
22. 22□...cutting edge, 23.23□...receiving surface, 24.24□...vertical wall, 26...recess.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

シャンク本体端部に設けた溝内に一方を切刃部とし他方
を取付側としｉこ板状チップを嵌合し、締付ボルトを締
め付けることによって溝部６壁の一方または双方を撓ま
せて該チップをシャンク本体端部の溝内に着脱自在に固
着する切削工具において、前記板状チップの受は面上の
一側面または両面に立壁を形成し、このチップをシャン
ク本体端部に設けた溝内に前記チップの立壁の一方また
は双方をシャンク本体の外周部に当接または僅かに離間
させた状態で嵌合固着したことを特徴とする穿孔用切削
工具。A plate-shaped tip is fitted into the groove provided at the end of the shank body, with one end being the cutting edge and the other being the mounting side, and one or both of the walls of the groove 6 is bent by tightening the tightening bolt. In a cutting tool in which a chip is removably fixed in a groove at the end of the shank body, the plate-shaped chip receiver has a vertical wall formed on one side or both sides of the surface, and the chip is fixed in a groove provided at the end of the shank body. A cutting tool for drilling, characterized in that one or both of the vertical walls of the tip are fitted and fixed in a state in which one or both of the vertical walls of the tip are in contact with or slightly spaced from the outer peripheral part of the shank body.