JPS5817933U

JPS5817933U - Rapid conversion tool holder

Info

Publication number: JPS5817933U
Application number: JP11054081U
Authority: JP
Inventors: 茂小林
Original assignee: 株式会社アルプスツ−ル
Priority date: 1981-07-24
Filing date: 1981-07-24
Publication date: 1983-02-03

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の正面外線図、第２図は第１図の断面図
、第３図は第２図におけるＡ方向矢視部の部分図、第４
図は第２図におけるＢ部矢視部分の断面図、第５図は第
２図におけるＣ方向矢視部の概要図を示す。Fig. 1 is a front external diagram of the present invention, Fig. 2 is a sectional view of Fig. 1, Fig. 3 is a partial view of the section taken in the direction of arrow A in Fig. 2, and Fig. 4
The figure shows a cross-sectional view of a portion taken in the direction of arrow B in FIG. 2, and FIG. 5 is a schematic diagram of a portion taken in the direction of arrow C in FIG. 2.

Claims

[Claims for Utility Model Registration] A holder body 1 including a shank portion and a flange portion that fit into the spindle head of the machine used, and a tapered mounting reference portion 1' projecting in the axial direction from the flange portion, and the holder body A bearing sleeve 2 with a flange screwed into a central female threaded hole, and a draw bolt 3 having a stepped shaft portion and a polygonal flange portion and fitted into the inner diameter of the bearing sleeve 2.
Then, it is inserted from the flange of the holder body 1 through the bearing tube 2 and the draw bolt 3 into a horizontal hole bored perpendicular to the axis, and the part that contacts the draw bolt 3 becomes an eccentric part 14', and at one end there is a rotation drive means and a rotation range display. An eccentric shaft 14 which includes means for determining a fixed position and rotation stopping means at the other end, and a washer 9 and a push washer 11 extending between the fitting end of the bearing sleeve 2 and the stepped shaft of the draw bolt 3.
A large number of disc springs 10 are fitted to the draw bolt 3 by applying strong retractable pressure to the draw bolt 3 through a nut 13, and the draw bolt 3
A cylinder 35 is inserted into the central female threaded hole and fixed with a screw and its tip contacts the eccentric shaft 7-14, and a cylinder 35 is implanted in one place on the outer circumference of the flange of the holder body 1 with one end protruding toward the mounting reference portion 1' side. a tapered inner diameter that fits into the mounting reference portion 1', an inner diameter that accommodates the flange of the bearing sleeve 2, and a groove that accommodates the maximum diameter of the regular polygonal portion of the flange of the draw bolt 3; A plurality of semicircular holes 23' are formed through the front wall of the groove through which the regular polygonal portion of the flange portion can pass only at those locations, and a concave portion 23'' that movably engages with the key 22 is provided on the outer periphery of the groove. A rapid conversion tool holder for a machine tool comprising various tool holders 23 provided as follows.