JPH0239802U

JPH0239802U -

Info

Publication number: JPH0239802U
Application number: JP11618488U
Authority: JP
Priority date: 1988-09-02
Filing date: 1988-09-02
Publication date: 1990-03-16

Description

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

第１図は本考案の実施例を示す要部断面図、第
２図は従来例を示す正面図、第３図はその要部断
面図である。１：ヘツド、２：ケーシング、３：主軸、４：
取付け孔、５：ねじ孔、６：嵌合孔、６ａ：テー
パ面、１０：ホルダ、１１：嵌合軸、１１ａ：テ
ーパ面、１１ｂ：フランジ、１２：ねじ軸、１３
：ソケツト、１３ａ：第２取付け孔、１４：第２
コレツト、１４ａ：スリツト、１４ｂ：テーパ面
、１５：第２連結具、１５ａ：係止突起、１６：
カツタ、１６ａ：軸部。 FIG. 1 is a sectional view of a main part of an embodiment of the present invention, FIG. 2 is a front view of a conventional example, and FIG. 3 is a sectional view of a main part thereof. 1: Head, 2: Casing, 3: Main shaft, 4:
Mounting hole, 5: Screw hole, 6: Fitting hole, 6a: Tapered surface, 10: Holder, 11: Fitting shaft, 11a: Tapered surface, 11b: Flange, 12: Screw shaft, 13
: socket, 13a: second mounting hole, 14: second
Collet, 14a: Slit, 14b: Tapered surface, 15: Second connector, 15a: Locking protrusion, 16:
Katsuta, 16a: Shaft.

Claims

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

ヘツドの主軸の軸端部に軸端方向が拡開したテ
ーパ面を有する取付け孔を形成し、この取付け孔
に周壁の一部が分割された筒状のコレツトをテー
パ嵌合させ、このコレツトを取付け孔の内深方に
移動させる締結具を設けてなる工作機用ヘツドの
カツタ取付け装置において、前記取付け孔に着脱
可能にテーパ嵌合するホルダを設け、ホルダの軸
端部に軸端方向が拡開したテーパ面を有する第２
取付け孔を形成するとともに、この第２取付け孔
の内径を前記取付け孔の内径と異なつた寸法に形
成し、この第２取付け孔に嵌合した第２コレツト
を第２取付け孔の内深方向に移動させる第２締結
具を設けたことを特徴とする工作機用ヘツドのカ
ツタ取付け装置。 A mounting hole with a tapered surface that widens in the direction of the shaft end is formed at the shaft end of the main shaft of the head, and a cylindrical collet with a partially divided peripheral wall is fitted into this mounting hole with a taper. In a cutter attachment device for a machine tool head that is provided with a fastener that is moved deep into the attachment hole, a holder that is removably fitted into the attachment hole in a tapered manner is provided, and the shaft end of the holder has a shaft end direction. The second part has an expanded tapered surface.
At the same time as forming a mounting hole, the inner diameter of the second mounting hole is formed to be different from the inner diameter of the mounting hole, and the second collet fitted into the second mounting hole is inserted in the inner depth direction of the second mounting hole. A cutter attachment device for a head for a machine tool, characterized in that a second fastener is provided for movement.