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A linear locking cylinder with a built-in fixed ultrasonic screw rod

An ultrasonic and fixed technology, applied in the direction of fluid pressure actuation device, etc., can solve the problems of complex structure and assembly, low positioning accuracy, poor sealing performance, etc., and achieve the effect of simple structure and assembly, high positioning accuracy, and solving the effect of reducing sealing performance.

Active Publication Date: 2022-06-21
CHANGCHUN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the technical problems of the current linear locking cylinder, such as low positioning accuracy, complex structure and assembly, and poor sealing performance, the present invention discloses a linear locking cylinder using a built-in fixed ultrasonic screw rod.

Method used

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  • A linear locking cylinder with a built-in fixed ultrasonic screw rod
  • A linear locking cylinder with a built-in fixed ultrasonic screw rod
  • A linear locking cylinder with a built-in fixed ultrasonic screw rod

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specific Embodiment approach 1

[0029] Embodiment 1: Combining Figure 1~Figure 12 Illustrating this embodiment, this embodiment provides a specific implementation of a linear locking cylinder with a built-in fixed ultrasonic screw rod. The specific implementation is described as follows:

[0030] The linear locking cylinder with built-in fixed ultrasonic lead screw is composed of a front end cover 1 , a cylinder barrel 2 , a piston assembly 3 , a rear end cover 4 , an ultrasonic lead screw assembly 5 , and a piston rod 6 . One end of the cylinder barrel 2 is fastened with the front end cover 1, and the other end is connected with the rear end cover 4 by threaded connection. One end of the ultrasonic screw assembly 5 is connected with the rear end cover 4 by means of threads, and the other end passes through the piston assembly 3 and then is sleeved into the piston rod 6. The piston rod 6 is fixed on the piston assembly 3 and passes through the front end. The cover 1 and the piston assembly 3 can realize th...

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Abstract

A linear locking cylinder adopting a built-in fixed ultrasonic screw rod aims to solve the current technical problems of the linear locking cylinder, such as low positioning accuracy, complex structure and assembly, and poor sealing performance. The invention consists of a front end cover, a cylinder barrel, a piston assembly, a rear end cover, an ultrasonic lead screw assembly and a piston rod. On the basis of not changing the basic assembly structure of the existing cylinder, the invention utilizes the ultrasonic anti-friction effect produced by the ultrasonic screw and the motion conversion sleeve to realize the precise movement and locking of the piston rod in the cylinder barrel, and the movement is made through the thread pair connection. The conversion sleeve moves helically during the friction reduction process to realize the decoupling of the movement of the piston in the cylinder. It not only inherits all the good characteristics of the basic structure of the existing linear cylinder, but also has high positioning accuracy, simple structure assembly, convenient processing, and sealing. It has good engineering application value in semiconductor processing, automatic measurement and control, robot drive and other technical fields.

Description

technical field [0001] The invention relates to a linear locking cylinder adopting a built-in fixed ultrasonic screw rod, and belongs to the technical field of mechanical positioning mechanisms. Background technique [0002] Pneumatic technology is an important technology to realize the mechanization and automation of production by using compressed air as the power for transmission and control. It is characterized by fast pneumatic transmission, simple component structure, convenient maintenance, safe use, low cost, and easy centralized gas supply. In particular, it does not pollute when it works, and it can bring great social and economic benefits when it is used. It has been used in many departments of industrial production and various industries such as medical equipment. [0003] As one of the main executive components in pneumatic technology, the cylinder converts the energy of compressed air into mechanical energy and realizes linear reciprocating motion. Among them,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B15/14F15B15/22
CPCF15B15/1457F15B15/1447F15B15/1452F15B15/1423F15B15/22
Inventor 程廷海周建文蔡秀鹏杨伟雄岳圣涵李泽霖乔广达
Owner CHANGCHUN UNIV OF TECH
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