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Macro-micro composite platform for visual positioning

A technology of visual positioning and micro-movement platform, applied in the field of visual positioning macro-micro composite platform, can solve problems such as difficult to meet, unable to achieve ultra-precision positioning, and achieve the effect of improving response speed and positioning accuracy

Inactive Publication Date: 2019-09-20
GUANGDONG UNIV OF TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002] With the advancement of science and technology, people's requirements for products are getting higher and higher, which prompts manufacturers to have higher and higher requirements for product processing accuracy. The traditional cross table only has a large stroke table, which cannot achieve ultra-precise positioning and is difficult to meet. Now people's requirements for products

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  • Macro-micro composite platform for visual positioning

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Embodiment Construction

[0016] The accompanying drawings are for illustrative purposes only, and should not be construed as limitations on this patent; in order to better illustrate this embodiment, certain components in the accompanying drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art It is understandable that some well-known structures and descriptions thereof may be omitted in the drawings. The positional relationship described in the drawings is for illustrative purposes only, and should not be construed as a limitation on this patent.

[0017] Such as figure 1 As shown, the visual positioning macro-micro composite platform of the present invention includes: an XY workbench 1, a flexible hinge system 2, a machine vision system 3, and a micro-motion platform 4.

[0018] The XY table 1 includes: an X-axis table 101 and a Y-axis table 102 . The XY table is responsible for the movement of large strokes.

[0019] The fl...

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Abstract

The present invention discloses a macro-micro composite platform for visual positioning, comprising an X-axis worktable for driving large stroke movement in the X-axis direction. The macro-micro composite platform for visual positioning further includes a flexible hinge system, a machine vision system and a micro-motion platform. The flexible hinge system comprises an X-axis rigid frame, an X-axis flexible hinge group, and an X-axis piezoelectric ceramic. The X-axis worktable drives the X-axis rigid frame to move with the X-axis rigid frame connected to the micro-motion platform through the X-axis flexible hinge group. The X-axis piezoelectric ceramic is used to drive the micro-displacement of the micro-motion platform in the X-axis direction, and the machine vision system is used to observe the motion of the micro-motion platform. A high-precision macro-micro composite platform is obtained by combining a traditional large-stroke and general-precision worktable with a high-precision and small-stroke micro-motion platform and positioning by using the machine vision system.

Description

technical field [0001] The invention relates to an ultra-precise motion platform, in particular to a piezoelectric ceramic-based visual positioning macro-micro composite platform. Background technique [0002] With the advancement of science and technology, people's requirements for products are getting higher and higher, which prompts manufacturers to have higher and higher requirements for product processing accuracy. The traditional cross table only has a large stroke table, which cannot achieve ultra-precise positioning and is difficult to meet. Now people's requirements for products. Contents of the invention [0003] The present invention proposes a visual positioning macro-micro composite platform based on piezoelectric ceramics, which combines a traditional cross table with a large stroke and general precision with a high-precision and small-range micro-motion platform, and uses a machine vision system for positioning to obtain a visual Locate the macro-micro comp...

Claims

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Application Information

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IPC IPC(8): B25H1/00
CPCB25H1/00
Inventor 杨志军熊少旺陈新须颖孙晗
Owner GUANGDONG UNIV OF TECH
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