A dual-drive micro-nano dual-gripper

A gripper and dual-drive technology, applied in the field of micro-nano operation, can solve the problems of difficult to meet the practical application, small stroke of the micro-gripper, single clamping, etc., to improve the clamping operation efficiency, low manufacturing cost, and structure compact effect

Inactive Publication Date: 2017-06-30
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The micro-manipulation grippers currently in use are all single grippers, and the efficiency is low
And the travel of most micro grippers is small, which is difficult to meet the needs of practical applications

Method used

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  • A dual-drive micro-nano dual-gripper
  • A dual-drive micro-nano dual-gripper
  • A dual-drive micro-nano dual-gripper

Examples

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Embodiment Construction

[0013] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0014] see Figure 1 ~ Figure 3 , a dual-drive micro-nano double gripper, the gripper adopts a double symmetrical structure, including two clamping jaws arranged symmetrically up and down, two piezoelectric ceramic drivers 4 arranged symmetrically left and right, and a secondary flexible bridge Type amplifying mechanism 10 and two first-stage flexible bridge amplifying mechanisms 3 arranged symmetrically left and right.

[0015] An input terminal is provided on the left and right sides of the secondary flexible bridge amplifying mechanism 10 , and an output terminal is respectively provided on the upper and lower ends of the secondary flexible bridge amplifying mechanism 10 .

[0016] The two primary flexible bridge amplifying mechanisms 3 a...

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Abstract

The invention discloses a double-drive micro-nano double gripper. A double symmetric structure is adopted by the gripper, wherein the gripper comprises two gripping jaws, two piezoelectric ceramic actuators, a second-level flexible bridge amplifying mechanism and two first-level flexible bridge amplifying mechanisms; the two gripping jaws are symmetrically arranged up and down; the two piezoelectric ceramic actuators are symmetrically arranged on the left and right; the two first-level flexible bridge amplifying mechanisms are symmetrically arranged on the left and right; input ends of the first-level flexible bridge amplifying mechanisms and the input end of the second-level flexible bridge amplifying mechanism are formed together; the input ends of the first-level flexible bridge amplifying mechanisms are driven by the piezoelectric ceramic actuators; the two piezoelectric ceramic actuators are arranged in the two first-level flexible bridge amplifying mechanisms respectively; inner-side jaw plates of the two gripping jaws are arranged at two output ends of the second-level flexible bridge amplifying mechanism respectively; and outer-side jaw plates of the two gripping jaws are connected with two output ends of the first-level flexible bridge amplifying mechanisms through a second-level connecting rod transfer mechanism respectively. The double-drive micro-nano double gripper has the advantages of relatively large gripping operation stoke, relatively high efficiency and good stability.

Description

technical field [0001] The invention belongs to the technical field of micro-nano operation, in particular to a dual-drive micro-nano double gripper. Background technique [0002] With the development of science and technology, there is an urgent need for sub-micron or even nano-scale precision operation technology in the fields of ultra-precision machining, microelectronics engineering, bioengineering, and nanotechnology. The most typical application of precision operation technology lies in the operation and manufacture of tiny electronic devices and optoelectronic devices. Precision operation technology is the most dynamic research direction in the field of micro-nano operation research today. mainstream development direction. Due to the potential huge market and national defense value of nano-devices, the methods, approaches and processes of its design and manufacture have become the research and investment hotspots of many scientists, governments and large enterprises....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02N2/02H02N2/04
CPCH02N2/02H02N2/043
Inventor 蔡坤海田延岭崔良玉张大卫
Owner TIANJIN UNIV
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