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1. 发明专利

JPS6389240A COUPLING DEVICE FOR TWO TOOL SECTION 失效
公开(公告)号：JPS6389240A
公开(公告)日：1988-04-20
申请号：JP23858987
申请日：1987-09-21
申请人： KOMET STAHLHALTER WERKZEUG
发明人： OTSUTOO EKURU
IPC分类号： B23Q3/00 , B23B29/03 , B23B31/107 , B23Q1/00
摘要： In a device for connecting two tool parts (1, 4) one tool part (1) is provided with a cylindrical fitting plug (2) which can be inserted in a fitting bore (5) provided in the other tool part (4). The fitting plug (2) has a transverse bore (6) with a radially displaceable tensioning pin (7) therein, which carries extensions (8) at its two ends, which engage in conical recesses (11) of two diametrically opposite tensioning elements (9, 10) arranged in the other tool part (4). The extensions (8) of the tensioning pin (7) have a hemispherical peripheral surface (8a) whose radius of curvature (R) as well as the apex angle ( alpha ) of the conical recesses (11) are so dimensioned that the hemispherical peripheral surface (8a) and the conical recess (11) touch at a force contact point (P) which lies radially spaced (r1, r2) from the free ends (8b, 9a, 10a) of the extensions (8) and the tensioning elements (9, 10), and that the lines of action (W) of the forces (K) acting at the two force contact points (P) extend at an angle ( beta ) at approximately 30 DEG -60 DEG , preferably approximately 45 DEG , to the axis (A2) of the transverse bore (6).

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