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Flexible space cam mechanism

A space cam and flexible technology, applied in the direction of cams, mechanical equipment, belts/chains/gears, etc., can solve problems such as inability to change, small bearing capacity, and large friction force on the contour contact surface, so as to reduce friction and reduce friction small effect

Active Publication Date: 2021-10-22
WUXI VOCATIONAL & TECHN COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to overcome the defects of the above-mentioned prior art, provide a flexible space cam mechanism, and solve the problem that the traditional space cam profile cannot be changed, the friction force of the profile contact surface is too large, and the bearing capacity is small

Method used

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  • Flexible space cam mechanism
  • Flexible space cam mechanism
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Examples

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0028] Such as figure 1 , figure 2 , image 3 and Figure 4 As shown, the flexible space cam mechanism in this embodiment includes a cam body 1 , a needle roller unit lift drive mechanism 2 , a needle roller unit 3 and a needle roller 4 .

[0029] The cam body 1 is an annular mounting bracket, and a plurality of evenly distributed mounting grooves 11 are opened on the upper surface along the circumferential direction. Each mounting groove 11 on the cam body 1 is respectively provided with a needle roller unit 3 which can adjust the vertical position. Each needle roller unit 3 is driven to move up and down along the installation groove 11 by a corresponding needle roller unit elevating driv...

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Abstract

The invention discloses a flexible space cam mechanism which comprises a cam body, roller pin units and roller pins. The cam body is a circular installing frame, multiple installing grooves distributed uniformly are formed in the upper surface in the circumferential direction, and the roller pin unit which can be adjusted along the depth position of each installing groove is arranged in each installing groove. One rotatable roller pin is mounted at the top of each roller pin unit. A plurality of roller pin units with the roller pins at the ends are adopted to form a space cam profile, the space profile of a cam is changed by changing the relative positions among the roller pin units, and the defect that a traditional cam profile cannot be changed is overcome. The roller pins at the tops of the roller pin units have enough bearing capacity, and the roller pin structures are adopted, so that the friction force is greatly reduced, and the friction force of the contact surface of a driven piece and the cam profile is reduced.

Description

technical field [0001] The invention belongs to the field of cam mechanisms, and in particular relates to a flexible space cam mechanism. Background technique [0002] The cam mechanism is a high-level mechanism that makes the follower move regularly. The cam mechanism is generally used in places where the movement rules of the follower are strict or where the follower moves intermittently. As long as the corresponding cam profile is designed, it can be Make the follower move according to the established law. [0003] However, the traditional cam mechanism has the following two disadvantages: [0004] 1. Once the profile of the cam is processed, it cannot be adjusted, so that the motion track of the follower is fixed, and the motion track of the follower cannot be modified. [0005] 2. It is difficult to ensure good lubrication at the contact between the follower and the cam profile surface, and it is easy to wear because of its high specific pressure. In order to maintain...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H53/04B66F3/12
CPCF16H53/04F16H53/025B66F3/12
Inventor 马俊峰王骏陆忠华朱星宇
Owner WUXI VOCATIONAL & TECHN COLLEGE