JPH03100036U

JPH03100036U -

Info

Publication number: JPH03100036U
Application number: JP605390U
Authority: JP
Priority date: 1990-01-25
Filing date: 1990-01-25
Publication date: 1991-10-18

Description

[Brief explanation of the drawing]

第１図は、本考案に係るワーク保持装置を概念
的に示した断面図、第２図は、本考案に係るワー
ク保持装置を概念的に示した上面図、第３図は、
本考案に係るワーク保持装置を適用してワークを
加工する態様を概念的に示した側面図、第４図は
、従来のワーク保持装置を概念的に示した断面図
である。２０……挟持手段、３０……可動ロツド、３２
……圧力室、４０……連絡通路、５０……圧力可
変手段、Ｏ……流体、Ｗ……ワーク。 FIG. 1 is a sectional view conceptually showing a work holding device according to the present invention, FIG. 2 is a top view conceptually showing a work holding device according to the present invention, and FIG.
FIG. 4 is a side view conceptually showing a mode in which a workpiece is processed by applying the workpiece holding device according to the present invention, and FIG. 4 is a sectional view conceptually showing a conventional workpiece holding device. 20... Holding means, 30... Movable rod, 32
...Pressure chamber, 40...Communication passage, 50...Pressure variable means, O...Fluid, W...Work.

Claims

[Claims for Utility Model Registration] A clamping means for clamping the periphery of a workpiece, a plurality of pressure chambers each having a fluid sealed therein, and a clamping means that is fitted into each of the plurality of pressure chambers, a plurality of movable rods that are reciprocated based on changes in the pressure of the sealed fluid; a communication passageway that communicates the plurality of pressure chambers with each other; and a pressure of the fluid sealed within the plurality of pressure chambers and the communication passageway. and a pressure variable means for changing the pressure, and by operating the pressure variable means, each of the plurality of movable rods is pressed against and held by the workpiece held by the holding means. .