JPH0253308U

JPH0253308U -

Info

Publication number: JPH0253308U
Application number: JP13352488U
Authority: JP
Priority date: 1988-10-13
Filing date: 1988-10-13
Publication date: 1990-04-17
Anticipated expiration: 2003-10-13
Also published as: JPH0647606Y2

Description

[Brief explanation of drawings]

第１図は、本考案工具取付け機構を備えた中ぐ
りホルダーの一実施例を示す一部正面図、第２図
は、側面図、第３図は、下方からみた一部側面図
、第４図は、第１図中の―線に沿つて得られ
る拡大断面図、第５図は、第４図に対する変形例
を示す拡大断面図である。１…ツールヘツド、３…ホルダー、４…凸軸、
５…取付け穴、６…保持ねじ、７…中間取付け部
材、７ａ…太軸部分、７ｂ…細軸部分、８…受入
れ穴、８ａ…小径穴部分、８ｂ…短穴部分、８ｃ
…長穴部分、９…ねじ穴、１０，１３…押圧受け
部分、１１，１２…押圧部分、１４…弾発材、１
５…クリツプ。 Fig. 1 is a partial front view showing one embodiment of a boring holder equipped with the tool attachment mechanism of the present invention, Fig. 2 is a side view, Fig. 3 is a partial side view seen from below, and Fig. 4 The figure is an enlarged sectional view taken along the line - in FIG. 1, and FIG. 5 is an enlarged sectional view showing a modification of FIG. 4. 1...Tool head, 3...Holder, 4...Convex shaft,
5... Mounting hole, 6... Holding screw, 7... Intermediate mounting member, 7a... Thick shaft part, 7b... Thin shaft part, 8... Receiving hole, 8a... Small diameter hole part, 8b... Short hole part, 8c
...Elongated hole part, 9...Screw hole, 10, 13...Pressure receiving part, 11, 12...Press part, 14...Resilient material, 1
5... Clip.

Claims

[Claims for Utility Model Registration] The tool head 1 and holder 3 are fitted together through a convex shaft 4 and a concave mounting hole 5, and the fitting portion is provided with a threaded hole 9 and a receiving hole 8, respectively, in the diametrical direction. and the screw hole 9
In the tool mounting mechanism in which a retaining screw 6 is disposed inside and an intermediate mounting member 7 is disposed within a receiving hole 8, the screw hole 9 is bored in an annular side portion on the side of the mounting hole 5, and The hole 8 is drilled on the side of the convex shaft 4, and moreover, with respect to the small diameter hole portion 8a in the middle portion,
A short hole portion 8b and a long hole portion 8c having a larger diameter than these are respectively formed on both open end sides, and the retaining screw 6 is screwed into the screw hole 9 and has an entry end thereof. is formed with a pressing portion 12 that comes into contact with a pressure receiving portion 10 of the intermediate mounting member 7, and the intermediate mounting member 7 is composed of a thick shaft portion 7a and a thin shaft portion 7b, and the thick shaft portion 7a is The end portion is formed with a pressure receiving portion 10 to which the pressing portion 12 of the retaining screw 6 comes into contact, and the thin shaft portion 7b is formed with a pressing portion 10 that clamps the inner circumferential surface of the mounting hole 5 at the end thereof. 11, and when placed in the receiving hole 8, an elastic material 1 is formed around the outer periphery of the thin shaft portion 7b located on the elongated hole portion 8c side.
4 is interposed therebetween, and a clip 15 is provided on the thin shaft portion 7b located on the short hole portion 8b side, so that the pressing portion 11 of the thin shaft portion 7b is sunk into the short hole portion 8b when unclamping. A tool attachment mechanism characterized by: