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A parallel motion platform

A motion platform, parallel technology, applied in the platform field, can solve the problems of low output force compliance, inability to meet processing equipment, low precision, etc., to achieve high rigidity and operational stability, compact structure, and increase the number of effects.

Active Publication Date: 2021-03-26
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the motion platform is mainly a tandem motion platform. However, the tandem planar motion platform has low precision and low compliance of the output force, which cannot meet the needs of processing equipment.

Method used

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  • A parallel motion platform
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Embodiment Construction

[0048] In order to have a clearer understanding of the technical features, purposes and effects of the invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings, in which the same reference numerals represent the same parts.

[0049] In this article, "schematic" means "serving as an example, example or illustration", and any illustration or implementation described as "schematic" should not be interpreted as a more preferred or more advantageous Technical solutions.

[0050] In order to make the drawings concise, the figures in each figure only schematically show the relevant parts of the present invention, and do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, only one of the components having the same structure or function is schematically shown, or only one of them is marked.

[0051] In this article, "upper"...

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PUM

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Abstract

The invention provides a parallel type moving platform. The parallel type moving platform comprises a base, linear driving units and flexible driving chains; the pair of linear driving units is arranged on the base; the pair of flexible driving chains is hinged between the output ends of the linear driving units and an object carrying platform; and wherein, the flexible driving chains are providedwith degrees of freedom of deformation under which the flexible driving chains can be deformed under the action of the linear driving force of the linear driving units and drive the object carrying platform to do translational motion in the plane. According to the parallel type moving platform, the parallel linear driving units are arranged to provide the linear driving force, the flexible driving chains are supported between the object carrying platform and the linear driving units, the flexible driving chains can be deformed to adjust the flexibility of the output force, the four flexible driving chains are used for overconstraining, supporting and limiting the object carrying platform, the number of the flexible driving chains is increased, and the moving platform has higher rigidity and operating stability.

Description

technical field [0001] The invention relates to the technical field of platforms, in particular to a parallel motion platform. Background technique [0002] As a carrier for processing equipment such as cutting tools, welding torches, and 3D printing heads, the motion platform greatly affects the accuracy and rigidity of the processing equipment. With the rapid development of modern science and technology, motion platforms are widely used in additive manufacturing, IC equipment manufacturing, precision medical equipment, aerospace manufacturing and other fields. For example, 3D printers need to drive the print head to move to the specified Location; the biological culture device requires a motion platform to accurately replenish the nutrient solution for the colony. [0003] At present, the motion platform is mainly a tandem motion platform. However, the tandem planar motion platform has low precision and low compliance of the output force, which cannot meet the needs of pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25J9/00
CPCB25J9/003
Inventor 李铁民陈书清李逢春姜峣
Owner TSINGHUA UNIV