JPH0254904U

JPH0254904U -

Info

Publication number: JPH0254904U
Application number: JP13386188U
Authority: JP
Priority date: 1988-10-13
Filing date: 1988-10-13
Publication date: 1990-04-20

Description

[Brief explanation of drawings]

第１図は本考案に係る一実施例が配置された回
路の概略構成図、第２図は従来例が配置された回
路の概略構成図である。１……速度制御装置、２……方向切換弁、３…
…第１切換バルブ、９……第２切換バルブ、１０
……エアーシリンダ、１１……第１室、１２……
第２室、１４……ピストン、１８……空気源。 FIG. 1 is a schematic diagram of a circuit in which an embodiment of the present invention is installed, and FIG. 2 is a schematic diagram of a circuit in which a conventional example is installed. 1... Speed control device, 2... Directional switching valve, 3...
...First switching valve, 9...Second switching valve, 10
...Air cylinder, 11...First chamber, 12...
2nd chamber, 14... piston, 18... air source.

Claims

[Scope of utility model registration request]

It has a cylinder case and a piston provided in the cylinder case so as to be able to reciprocate, and a first chamber and a second chamber are partitioned by the piston in the cylinder case.
an air cylinder formed with a chamber, and three positions: a position where air is supplied to the first chamber, a position where air is supplied to the second chamber, and a neutral position where air is not supplied to either the first or second chamber. A speed control device for an air cylinder provided between a directional switching valve that can be switched to a pilot chamber, which communicates the first chamber with the directional switching valve and introduces residual pressure in the second chamber. a first switching valve connected to a pipe; and a second switching valve connected to a pilot pipe that communicates the second chamber with the directional switching valve and introduces residual pressure in the first chamber; Said first
The switching valve is capable of switching the air flowing between the first chamber and the directional switching valve between a large flow state and a small flow state depending on the level of residual pressure in the second chamber, and the second switching valve The air cylinder is characterized in that the air flowing between the second chamber and the directional control valve can be switched between a large flow state and a small flow state depending on the residual pressure in the first chamber. Speed control device.