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Closed linear movement device

A linear movement, closed technology, applied in the direction of electromechanical devices, electric components, control mechanical energy, etc., can solve the problem of high price of the reducer, achieve good heat dissipation effect, and solve the limitations of the effect

Inactive Publication Date: 2017-10-27
HANGZHOU HANGYAN ENVIRONMENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Linear motion devices specially used in vacuum or negative pressure are not common, not to mention the high price of vacuum environment motors and reducers

Method used

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  • Closed linear movement device
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Experimental program
Comparison scheme
Effect test

no. 1 approach

[0021] Such as figure 1 As shown, a closed linear moving device is characterized in that: the closed linear moving device has a frame (1), a linear guide rail (2), a slider (3), a lead screw (4), a nut (5), adapter flange (6), motor base (7), prime mover (8), inner cable (9), aviation plug (10), outer cable (11), pressure plate (12), elastic Body (13), output interface (14), work carrier (15);

[0022] The prime mover (8) can be a motor, or a combination of a motor and a reducer, which is fixed on the motor base (7), and the motor base (7) is firmly connected to the frame (1) ;

[0023] The lead screw (4) and the nut (5) form a lead screw nut pair, the lead screw (4) is connected with the prime mover (8), and the nut (5) is connected with the adapter flange (6);

[0024] The linear guide rail (2) is fixedly connected with the frame or the motor base (7), and the slider (3) and the linear guide rail (2) form a moving pair;

[0025] The working carrier (15) is connected with...

no. 2 approach

[0034] Such as figure 2 As shown, a closed linear moving device is characterized in that: said closed linear moving device is provided with an output interface (1), a guide rail (2), a lead screw (3), a nut (4), a shield ( 5), elastic body (6), base (7), sealing ring (8), casing (9), outer cable (10), prime mover (11), inner cable (12), aviation plug ( 13);

[0035] The prime mover (11) can be a motor, or a combination of a motor and a reducer, which is fixed on the base (7);

[0036] The leading screw (3) and the nut (4) constitute a leading screw nut pair, and the leading screw (3) is connected with the prime mover (11);

[0037] The guide rail (2) is fixedly connected with the base (7);

[0038] The output interface (1) is connected with the nut (4);

[0039] The elastic body (6) is a revolving body structure, one end of which is closely attached to the output interface (1), and the other end is closely attached to the base (7);

[0040] The shield (5) is located on t...

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Abstract

The present invention discloses a closed linear movement device, which is provided with a machine frame, a linear guide rail, a slider, a lead screw, a nut, an adapter flange, a motor base, a prime mover, an inner cable, an aviation plug, an external cable, a pressing plate, an elastic body, an output interface and a working carrier. The prime mover is a motor or a combination of a motor and a reducer. The special point lies in that: the machine frame, the elastic body and the aviation plug form a sealed cavity, and the linear guide rail, the slider, the lead screw, the nut, the adapter flange, the motor base, the prime mover, the inner cable and the working carrier are located in the sealed cavity; and when the prime mover is started, the lead screw is driven to rotate, the working carrier moves linearly under the guidance of the linear guide rail to drive the output interface to move linearly. The working mechanism is that the flexibility and sealing of the elastic body is used to convert the dynamic seal into the static seal, the application limitation of the dynamic seal in a vacuum environment is effectively tackled, and the application ranges of the prime mover and the lead screw and nut pair are expanded.

Description

technical field [0001] The invention relates to the technical field of mechanical transmission, in particular to a device capable of reciprocating linear movement in special environments such as vacuum, negative pressure, and high cleanliness. Background technique [0002] The combination of motor, reducer, lead screw and nut pair, linear guide rail, and worktable can form a typical linear motion device, which is well known. However, the linear motion device is often applied under normal temperature and pressure. Linear motion devices that are specially used in vacuum or negative pressure are not common, not to mention the high prices of motors and reducers in vacuum environments. How to expand the range of application of the above-mentioned linear motion device so that it can be used in vacuum, negative pressure, high cleanliness and other environments is a problem worthy of our consideration. Contents of the invention [0003] The technical problem to be solved by the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K7/06
CPCH02K7/06
Inventor 汤龙舟徐华勒叶荣伟
Owner HANGZHOU HANGYAN ENVIRONMENT TECH CO LTD