JPS5863913U

JPS5863913U - drilling tool

Info

Publication number: JPS5863913U
Application number: JP15895281U
Authority: JP
Inventors: 笹森　竹房; 高橋　俊康; 吉村　博仁; 功安藤; 川添　哲宏
Original assignee: トヨタ自動車株式会社; 富士精工株式会社
Priority date: 1981-10-24
Filing date: 1981-10-24
Publication date: 1983-04-28

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図は従来品の側断面図を示す。第２図は従来品の刃
先拡大図を示す。第３図はこの考案の第１実施例を示す
側断面図である。第４図は第３図の正面図である。第５
図は調整スリーブの正面図を示し、第６図は第５図の側
断面図を示す。第７図は同じく第６図の平面図を示す。第８図はこの考案の第１°実施例の刃先位置関係−を示
す。第９図は第３図のＡ−Ａ線断面図を示す。第１０図
イ。口はこの考案の第２実施例を示す。イは正面図、口は側
断面図である。第１０図ハは第２実施例の刃先位置関係
図を示す。第１１図は第１０図に示すスローアウェイド
リル（調整スリーブを取りつけた状態）の取付状態を示
す側断面図である。第１２図イ１口はこの考案の第３実
施例を示す。イは正面断面図、口は側断面図である。１・・・・・・アダプター、３・・・・・・スピンドル
、４・・・・・・スローアウェイドリル本体、７・・・
・・・偏心スリーブ。第４図台　　　　　　　　　　第６図第５図 −第８図６− 第７図　　−−１，７ −Ａ　　　１　　　　’−３１FIG. 1 shows a side sectional view of a conventional product. Figure 2 shows an enlarged view of the cutting edge of the conventional product. FIG. 3 is a side sectional view showing a first embodiment of this invention. FIG. 4 is a front view of FIG. 3. Fifth
The figure shows a front view of the adjustment sleeve, and FIG. 6 shows a side sectional view of FIG. 5. FIG. 7 similarly shows a plan view of FIG. 6. FIG. 8 shows the positional relationship of the cutting edge of the first embodiment of this invention. FIG. 9 shows a sectional view taken along the line A--A in FIG. 3. Figure 10a. The mouth shows a second embodiment of this invention. A is a front view, and the mouth is a side sectional view. FIG. 10C shows a relationship diagram of the position of the cutting edge of the second embodiment. FIG. 11 is a side sectional view showing the installed state of the indexable drill shown in FIG. 10 (with the adjustment sleeve attached). FIG. 12A shows a third embodiment of this invention. A is a front sectional view, and the mouth is a side sectional view. 1...Adapter, 3...Spindle, 4...Throwaway drill body, 7...
...Eccentric sleeve. Figure 4 Stand Figure 6 Figure 5 - Figure 8 6- Figure 7 -1,7 -A 1 '-3 1

Claims

[Scope of utility model registration request]

A drilling tool that performs drilling by transmitting the rotational force of a spindle of a machine tool to a drill or a workpiece, the drilling tool having a central axis between the spindle and the drill eccentric to the central axis of the spindle. to accommodate the drill,
A rotatable eccentric sleeve that enables fine adjustment of the machining diameter is interposed, and a mechanism for preventing rotation of the drill during adjustment of the machining diameter and a mechanism for clamping the drill after adjusting the machining diameter are also provided. Drilling tool.