JPH02110705U

JPH02110705U -

Info

Publication number: JPH02110705U
Application number: JP2036589U
Authority: JP
Priority date: 1989-02-23
Filing date: 1989-02-23
Publication date: 1990-09-05

Description

[Brief explanation of the drawing]

第１図は第１実施例の概要図、第２図は第１図
の―視要部拡大断面図、第３図は第２実施例
の概要図、第４図は従来技術の概要図である。１，１０…エアシリンダ、２，１４…ピストン
ロツド、３１…エアモータ、３，１１，３３…空
気圧力源、４，１２，３４…電磁切換弁、６，２
０，３７…コントローラ、７…電磁ブレーキ装置
、１６…多点停止位置センサー、２１，３８…圧
電アクチエータ、２２…圧電素子、２３…ブレー
キ体、２４…固定ケース、２５…ブレーキバンド
、２７…凹部、２８…直流電源、２９…中央制御
装置、３０…空気圧系制御装置。 Fig. 1 is a schematic diagram of the first embodiment, Fig. 2 is an enlarged sectional view of the main part of Fig. 1, Fig. 3 is a schematic diagram of the second embodiment, and Fig. 4 is a schematic diagram of the prior art. be. 1, 10... Air cylinder, 2, 14... Piston rod, 31... Air motor, 3, 11, 33... Air pressure source, 4, 12, 34... Solenoid switching valve, 6, 2
0, 37... Controller, 7... Electromagnetic brake device, 16... Multi-point stop position sensor, 21, 38... Piezoelectric actuator, 22... Piezoelectric element, 23... Brake body, 24... Fixed case, 25... Brake band, 27... Recessed part , 28... DC power supply, 29... Central control device, 30... Pneumatic system control device.

Claims

[Scope of utility model registration request]

A multi-point stop position sensor is associated with an output shaft of a pneumatic actuator such as an air cylinder that moves forward and backward in the axial direction or rotates around the axis, and the output shaft is configured to stop driving at a predetermined position. , a fixed case is disposed around the outer periphery of the output shaft, and within the fixed case there is a piezoelectric element that is activated by a signal from the multi-point stop position sensor, and a piezoelectric element that is activated by the signal from the multi-point stop position sensor; A multi-point stopping device for an output shaft in a pneumatic actuator, characterized in that it is provided with a pressing brake body.