JPS60190506U

JPS60190506U - Thread cutting machine chuck chuck claw

Info

Publication number: JPS60190506U
Application number: JP6505084U
Authority: JP
Inventors: 秀樹林
Original assignee: アサダ株式会社
Priority date: 1984-05-01
Filing date: 1984-05-01
Publication date: 1985-12-17
Also published as: JPH0112889Y2

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

添付図面は本考案の実施例を示し、第１図は概略側面図
、第２図はチャックホルダーの一部切欠正面図、第３図
は第２図Ａ−Ａ線切断側面図、第４図は同一部拡大側面
図、第５図はチャック爪の正面図、第６図及び第７図は
本考案の作用を説明する正面図、第８図は従来のチャッ
ク爪の正面図、第９図及び第１０図は従来の作用を説明
する正面図である。４→ダイヘツド、５→チヤツクホルダー、６→チヤツク
軸、１３→チヤツク爪、１６→曲率が比較的大きい偏心
チャック面、１７→曲率が比較的小さい偏心チャック面
。The accompanying drawings show an embodiment of the present invention, in which Fig. 1 is a schematic side view, Fig. 2 is a partially cutaway front view of the chuck holder, Fig. 3 is a side view cut along the line A-A in Fig. 2, and Fig. 4. 5 is an enlarged side view of the same part, FIG. 5 is a front view of the chuck jaw, FIGS. 6 and 7 are front views explaining the function of the present invention, FIG. 8 is a front view of the conventional chuck jaw, and FIG. 9 is a front view of the chuck jaw. and FIG. 10 is a front view illustrating the conventional operation. 4→Die head, 5→Chuck holder, 6→Chuck shaft, 13→Chuck claw, 16→Eccentric chuck surface with relatively large curvature, 17→Eccentric chuck surface with relatively small curvature.

Claims

[Scope of utility model registration request]

A chuck holder 5 whose center corresponds to the center of the Goo head body 4 and the main body is provided so that the Goo head main body and the chuck holder are moved relatively close to each other, and the chuck holder 5 is provided with an imaginary circle around the center. A plurality of chuck shafts 6 are freely rotatably arranged on the top at equal angular intervals, each chuck shaft is engaged with one reversibly rotatable internal gear 10, and each chuck shaft 6 is provided with a rotation force in one direction. In a thread cutting machine in which a chuck claw 13 is tightly fitted to grip the threaded tube by moving the chuck surface closer to the center as it rotates, an eccentric chuck having a relatively large curvature around the chuck shaft 6 is attached to the chuck claw 13. The surface 16 and the eccentric chuck surface 17 having a relatively small curvature are formed in a continuous shape, and the threaded pipe X2 having a large outer diameter is gripped by contact with the chuck surface 17, and the threaded pipe X1 having a small outer diameter is gripped by the chuck surface 16. A chuck jaw for a thread cutting machine chuck, characterized in that it grips by contacting the outer peripheral surface.