JPS59183707U

JPS59183707U - collect jig

Info

Publication number: JPS59183707U
Application number: JP7794983U
Authority: JP
Inventors: 森田　和生; 淳一有馬
Original assignee: 株式会社　大隈鉄工所
Priority date: 1983-05-23
Filing date: 1983-05-23
Publication date: 1984-12-07
Also published as: JPS6216247Y2

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

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

図は本考案の実施態様のコレット治具断面図である。１・・・本体、７・・・内径用コレット、８・・・ドロ
ーバー、９・・・雄ねじ部材、１０・・・雌ねじ部材、
１１・・・ストッパ、１２・・・ばね、１３・・・穴、
１４・・・ねじ軸、１６・・・段部、１７・・・穴。つ八The figure is a sectional view of a collet jig according to an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Main body, 7... Collet for inner diameter, 8... Drawbar, 9... Male thread member, 10... Female thread member,
11...stopper, 12...spring, 13...hole,
14...Screw shaft, 16...Step, 17...Hole. Two eight

Claims

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

旋盤主軸に取付は可能な形状を有する中空状の本体と、
該本体の前面に固着された工作物内径把持用コレットと
、前記本体の中空内に回転を阻止されて収容された雌ね
じ部材と、前記本体の中空内で軸線方向に移動可能に収
納され先端に前記コレットに係合する楔状外形を有する
スリーブ状のドローバ−と、前記雌ねじ部材と螺合すべ
（前記ドローバーに軸方向にのみ移動可能に取付けられ
た雄ねじ部材と、前記本体の中空部にて前記ドローバ−
の後部に固着されたストッパと、前記雄ねじ部材と前記
ストッパとの間に張設されたばねと、前記ドローバ−あ
中心部に挿入されてドローバ−と螺合し前記本体と当接
する段部を有するねじ軸とを備え、更に前記ドローバー
及び前記ねじ軸の前端面にスパナ掛は用の穴を穿設して
工作物のクランプ力及びコレットの開き代を前面から調
整可能となしたことを特徴とするコレット治具。A hollow body with a shape that can be attached to the lathe main shaft,
a collet for gripping the inner diameter of a workpiece fixed to the front surface of the main body; a female screw member housed in the hollow of the main body so as to be prevented from rotating; A sleeve-shaped drawbar having a wedge-shaped outer shape that engages with the collet, a male threaded member that is threadedly engaged with the female threaded member (the male threaded member is attached to the drawbar so as to be movable only in the axial direction, and Drawbar
a stopper fixed to the rear part of the drawbar, a spring stretched between the male threaded member and the stopper, and a stepped part inserted into the center of the drawbar, screwed with the drawbar, and abutted with the main body. A screw shaft, and a hole for a wrench is bored in the front end surfaces of the drawbar and the screw shaft, so that the clamping force of the workpiece and the opening margin of the collet can be adjusted from the front. collet jig.