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Novel combined cam mechanism design of ATC device

A combined cam, a new type of technology, applied in the field of numerical control machinery, can solve the problems of conjugate surface wear, increase manufacturing cost, and affect the service life of the mechanism

Inactive Publication Date: 2015-06-10
白茂东
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] It is very unfavorable, and it will inevitably cause serious wear between the conjugate surfaces, which will affect the service life of the mechanism
Another important issue brought about by double-sided constraints is that the manufacturing accuracy of the arc cam indexing mechanism must be improved, thus significantly increasing the manufacturing cost

Method used

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  • Novel combined cam mechanism design of ATC device
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Experimental program
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Embodiment Construction

[0009] The present invention is mainly used to solve the contradiction between the double-sided restraint and the manufacturing error of the arc cam indexing mechanism in the ATC device, and realize the movement, In the whole process of static work, the "pure rolling" in the engineering sense can be realized to the maximum extent, the wear of the conjugate tooth profile surface can be reduced, the service life of the device can be improved, and the dynamic performance of the ATC device can be improved.

[0010] The present invention is according to the characteristics of research problem, and main work is as follows:

[0011] (1) The design of the motion cycle diagram of the automatic tool changing manipulator and the selection of the motion law of the cam follower

[0012] According to the working principle and requirements of the automatic tool changing manipulator, the working cycle diagram of the cam combination mechanism is designed, and the appropriate motion law of the ...

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Abstract

The invention discloses a novel combined cam mechanism design system of an ATC device based on a numerical control technology and a mechanical movement technology. The novel combined cam mechanism design system is characterized in that the cam mechanism is a space vertical axis transmission indexing mechanism with high speed and high precision, the mechanism has good movement characteristic and power characteristic, and the mechanism has rich and flexible cam curves for selection so as to meet the control requirement of various complex movements; moreover, the operation is simple and convenient, and large-scale popularization and application can be realized.

Description

technical field [0001] The invention belongs to a numerically controlled mechanical motion system, in particular realizes its high-speed, high-precision motion and dynamic characteristics through a cam-type automatic tool-changing manipulator, and at the same time, has rich and flexible cam curves to choose from to meet various Complex motion control requirements belong to the field of numerical control machinery. Background technique [0002] In the existing ATC mechanism in our country, in order to improve the meshing stiffness and dynamic characteristics of the mechanism and ensure the high-precision mechanism output, it is required to adopt double-sided strong constraints, that is, the indexing disc roller teeth and the indexing cam tooth profile surface are in the movement of the mechanism. Backlash-free meshing is achieved during the process. Because there is no backlash meshing, when the roller contacts the left and right profiles of the cam groove at the same time, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H53/00
CPCF16H53/00
Inventor 白茂东
Owner 白茂东
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