Rigidity-adjustable artificial muscle fiber and preparation device and preparation method thereof

Through the preparation device and method, the arrangement of liquid crystal primitives and magnetic field regulation are controlled, and the balance problem of flexible artificial muscles between driving stroke and load capacity is solved, and the preparation of artificial muscle fibers with adjustable stiffness is realized, which is improved in the comprehensive performance of flexible artificial muscles.

CN120533969APending Publication Date: 2025-08-26HEBEI UNIV OF TECH
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Patent Information

Application Number
CN202510659834.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-21
Publication Date
2025-08-26

AI Technical Summary

Technical Problem

Existing flexible artificial muscles are difficult to balance between drive stroke and load capacity, and are unable to achieve adjustable stiffness.

Method used

A preparation device is adopted, including a feed pump, a syringe push rod, a heating block, an ultraviolet lamp, a stretching roller, etc., to prepare artificial muscle fibers with adjustable stiffness by controlling the arrangement of the liquid crystal primitives and the regulation of the magnetic field.

Benefits of technology

It realizes that the rigidity and load capacity of artificial muscle fibers are regulated without sacrificing the driving stroke, and the comprehensive performance of flexible artificial muscles is improved.

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Abstract

The invention discloses an artificial muscle fiber with adjustable rigidity as well as a preparation device and a preparation method thereof. The preparation device comprises a feeding pump, an injector push rod, an injector needle tube, a needle head, a heating block, a first ultraviolet lamp guide rail, a first ultraviolet lamp sliding block, a first ultraviolet lamp, a first stretching roller, a second stretching roller, a rack, an adjusting screw, a second ultraviolet lamp and a winding roller. The rigidity-adjustable artificial muscle fiber internally contains carbonyl iron powder. According to the artificial muscle fiber, the rigidity of the artificial muscle fiber can be adjusted through magnetic field regulation and control, and compared with existing artificial muscle fibers, control over the rigidity of artificial muscles is achieved under the condition that the driving stroke is not sacrificed by controlling the arrangement structure of liquid crystal elements in the artificial muscle fiber.
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