JPH0486104U

JPH0486104U -

Info

Publication number: JPH0486104U
Application number: JP12663290U
Authority: JP
Priority date: 1990-11-30
Filing date: 1990-11-30
Publication date: 1992-07-27

Description

[Brief explanation of drawings]

第１図はチヤツク装置の断面正面図、第２図ａ
，ｂは同装置の動作説明図、第３図は空気噴出部
の変形例を示す断面正面図、第４図はチヤツク装
置を適用する旋盤の構成例を示す平面図、第５図
は同旋盤における主軸及びワークの排出機構を示
す側面図である。１……主軸、１ａ……中空部、２……ワーク把
持部、４……押出し部材、４ａ……中空部、４ｂ
……貫通孔、５……突出杆、６……ブツシユ、８
……配管、９……電磁弁、１０……空気供給源、
１１……圧力スイツチ、１０２……第二主軸、１
０７……受皿。 Figure 1 is a cross-sectional front view of the chuck device, Figure 2a
, b is an explanatory diagram of the operation of the same device, FIG. 3 is a cross-sectional front view showing a modified example of the air jetting part, FIG. 4 is a plan view showing an example of the configuration of a lathe to which the chuck device is applied, and FIG. FIG. DESCRIPTION OF SYMBOLS 1...Main shaft, 1a...Hollow part, 2...Work gripping part, 4...Extrusion member, 4a...Hollow part, 4b
...Through hole, 5...Protruding rod, 6...Button, 8
... Piping, 9 ... Solenoid valve, 10 ... Air supply source,
11...Pressure switch, 102...Second main shaft, 1
07...Saucer.

Claims

[Scope of utility model registration request]

A hollow portion formed in the axial direction of the spindle, a work gripping portion provided at the tip of the spindle, and a workpiece gripped by the work gripping portion movably fitted into the hollow portion of the spindle on one side. an extrusion member provided with a protruding rod in contact with the extrusion member; an air supply means for supplying air to the hollow portion; a pressure switch for detecting the pressure within the hollow portion; A chuck device comprising: an air jetting section that communicates with the hollow section and jets air toward the gripping section.