JPS61205737U

JPS61205737U -

Info

Publication number: JPS61205737U
Application number: JP8749885U
Authority: JP
Priority date: 1985-06-12
Filing date: 1985-06-12
Publication date: 1986-12-25

Description

[Brief explanation of the drawing]

第１図は本考案による主軸アタツチメンウの実
施例を示す縦断面図、第２図は第１図―線方
向に見た部分拡大図である。１１……ラム、１２……主軸、１４，３６……
テーパ穴、１６……第１コレツト、３０……主軸
アタツチメント、３２……アタツチメント本体、
３５……テーパスリーブ、３８……テーパ部、４
１……位置決めプレート、４２……切欠溝、４３
……ストツパ、４３ａ……爪部、４５……第１コ
レツトガイド、４７……スプリング、５０……ス
タツドアーバ、５１……第１コレツト、５２……
第２プルスタツド、５５……第２コレツトガイド
、６０……工具ホルダ。 FIG. 1 is a longitudinal sectional view showing an embodiment of the main shaft attachment according to the present invention, and FIG. 2 is a partially enlarged view of FIG. 1 as viewed in the line direction. 11... Ram, 12... Main shaft, 14, 36...
Tapered hole, 16...first collet, 30...main shaft attachment, 32...attachment body,
35...Tapered sleeve, 38...Tapered portion, 4
1... Positioning plate, 42... Notch groove, 43
...Stopper, 43a...Claw portion, 45...First collect guide, 47...Spring, 50...Stud arbor, 51...First collect, 52...
Second pull stud, 55...second collect guide, 60...tool holder.

Claims

[Claims for Utility Model Registration] An attachment body that is removably attached to the end face of a ram of a machine tool, and a tapered hole that is rotatably held within the attachment body and that fits into a taper shank portion of a tool holder at its front portion. Tapered parts that fit into the tapered holes of the main spindle of the machine tool are provided at the rear, and a stud arbor with a collet at the front end and a pull stud at the rear end is disposed inside so as to be movable in the axial direction. a positioning plate that is fitted and fixed on the outer periphery of the tapered sleeve perpendicular to the axial direction and has a notch groove formed in the peripheral edge thereof, and a positioning plate that is attached to the attachment body with its rear end facing the ram end surface. a rod-shaped stopper that is mounted movably in the axial direction and is formed with a claw portion that engages with the notch groove of the positioning plate; and the stopper contacts the front end of the stopper and biases the stopper toward the end surface of the ram. A main shaft attachment consisting of a spring and.