JPH0340006U

JPH0340006U -

Info

Publication number: JPH0340006U
Application number: JP10249989U
Authority: JP
Priority date: 1989-08-31
Filing date: 1989-08-31
Publication date: 1991-04-17

Description

[Brief explanation of the drawing]

図面は本考案に係る組立型工具ホルダの実施例
を示し、第１図は一部を切断した状態の側面図、
第２図は第１図の−線に沿つた断面図、第３
図はコレツト部の側面図、第４図はコレツトの取
付例の部分断面図である。符号、１……ホルダ、２……中間ホルダ、３…
…工具ホルダ、４……凹部、５，６……ねじ穴、
７……締付用ねじ、８……緩め用ねじ、９……凸
部、１０……環状溝、１１……針状コロ、１２…
…コレツト、１３……ケージ、１４……ピン、Ｓ
_１，Ｓ_２……密着端面である。 The drawings show an embodiment of the assembled tool holder according to the present invention, and FIG. 1 is a partially cutaway side view;
Figure 2 is a sectional view taken along the - line in Figure 1;
The figure is a side view of the collet part, and FIG. 4 is a partial sectional view of an example of how the collet is attached. Code, 1... Holder, 2... Intermediate holder, 3...
...Tool holder, 4...Recess, 5, 6...Screw hole,
7... Tightening screw, 8... Loosening screw, 9... Convex portion, 10... Annular groove, 11... Needle roller, 12...
...Collection, 13...Cage, 14...Pin, S
₁ , S ₂ . . . close contact end surface.

Claims

[Scope of utility model registration request]

In an assembly type tool holder that is connected by fitting an axial convex part and a concave part, an annular groove having both wall surfaces tapered around the front part of the convex part,
A tapered surface portion is formed at the rear portion, and a collet having a tapered inner diameter and a cylindrical outer diameter and capable of elastic deformation in the radial direction is fitted between the tapered surface portion and the cylindrical portion of the recessed portion via a needle roller. An assembly type tool holder, characterized in that the concave portion side is provided with a screw that enters the annular groove and generates a pulling force in the axial direction, and the collet is elastically deformed by the pulling force of the screw.