JPH0253313U

JPH0253313U -

Info

Publication number: JPH0253313U
Application number: JP13303288U
Authority: JP
Priority date: 1988-10-11
Filing date: 1988-10-11
Publication date: 1990-04-17

Description

[Brief explanation of the drawing]

第１図は本考案の実施例を示す正面図、第２図
は第１図におけるＡ―Ａ断面図、第３図は他の実
施例を示す正面図、第４図は第３図におけるＡ―
Ａ断面図、第５図は本考案におけるベースを示す
正面図、第６図は同背面図、第７図は従来公知の
ワークチヤツキング装置を示す縦断面図、第８図
は同一部破断右側面図である。７…ベース、８…空間、９…通路、１０，１５
…ダイヤフラム、１０ａ，１５ａ…ダイヤフラム
縁部、１１，１６…ワーク把持爪、２１…密閉空
間。 Fig. 1 is a front view showing an embodiment of the present invention, Fig. 2 is a sectional view taken along line A-A in Fig. 1, Fig. 3 is a front view showing another embodiment, and Fig. 4 is A-A in Fig. 3. ―
A sectional view, FIG. 5 is a front view showing the base of the present invention, FIG. 6 is a rear view of the same, FIG. 7 is a longitudinal sectional view showing a conventionally known work chucking device, and FIG. 8 is a partially broken view of the same. It is a right side view. 7... Base, 8... Space, 9... Passage, 10, 15
...Diaphragm, 10a, 15a...Diaphragm edge, 11, 16...Work gripping claw, 21...Closed space.

Claims

[Scope of Claim for Utility Model Registration] (1) A tube for pumping fluid is attached to a base that is detachably attached to the spindle of a machine tool or a base that is attached to a fixed bed, and the tube is attached to the outer surface of the base on the side opposite to the side where the spindle is attached. fixing the edge of the diaphragm to the edge of the outer surface of the base, the edge of the diaphragm having an open passage communicating with the tube, having a thick edge and integrally projecting a plurality of workpiece gripping claws on the outer surface of the thin wall; A workpiece gripping jig for machining, in which the passageway faces a sealed space between the inner surface of the thin-walled diaphragm part and the outer surface of the base. (2) A workpiece gripping jig for machining according to claim 1, wherein the workpiece gripping claw has a thick base end and a tapered tip end.