Space scalable type mechanical arm based on 4D printing and expanding and contracting method thereof

A robotic arm and space technology, applied in manipulators, program-controlled manipulators, claw arms, etc., can solve problems such as limiting the performance of printable shape memory polymers, and achieve the effect of promoting development and expanding application fields

Pending Publication Date: 2020-06-30
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The technical characteristics and defects of each printing technology largely limit the types of shape memory polymers that can be printed and the properties of 4D printed objects. The application of 4D printing technology in printing three-dimensional space expandable structures is insufficient.

Method used

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  • Space scalable type mechanical arm based on 4D printing and expanding and contracting method thereof
  • Space scalable type mechanical arm based on 4D printing and expanding and contracting method thereof
  • Space scalable type mechanical arm based on 4D printing and expanding and contracting method thereof

Examples

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Example Embodiment

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0023] See Figure 1-3 To illustrate this embodiment, a space retractable robotic arm based on 4D printing includes a hollow columnar structure 1, a first pressing plate 2 and a second pressing plate 3. The hollow columnar structure 1 is formed by 4D printing technology, and the hollow columnar The material of the structure 1 is a shape memory polymer, the wall surface of the hollow columnar structure 1 is distributed in a net shape, and the two ends of the hollow columnar structure 1 are respectively connected with the first pressing plate 2 and the second pressing plate 3.

[0024] The shape memory polymer of the present invention is a polylactic acid material, which has thermoplasticity and shape memory effects, can be actively deformed under thermal excitation conditions, is directl

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Abstract

The invention provides a space scalable type mechanical arm based on 4D printing and an expanding and contracting method thereof, belongs to the fields of 4D printing technologies and shape memory polymer, and particularly relates to a space scalable type mechanical arm based on 4D printing and an expanding and contracting method thereof. The problem that application of the 4D printing technologyon the aspect of printing a three-dimensional space expandable structure is poor is solved. The space scalable type mechanical arm comprises a hollow cylindrical structure, a first pressing plate anda second pressing plate and is mainly applied to astronautic three-dimensional intelligent space expanding structures.

Description

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Claims

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Application Information

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Owner HARBIN INST OF TECH
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