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Programmable control flexible actuator and preparation method thereof

An actuator and flexible technology, which is applied in the field of programmable manipulation of flexible actuators and their preparation, and can solve problems such as the fixed motion law of flexible double-layer membranes.

Pending Publication Date: 2021-09-10
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Based on this, in order to overcome the problem of fixed motion law of a single flexible double-layer membrane, a programmable manipulation flexible actuator and its preparation method are provided

Method used

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  • Programmable control flexible actuator and preparation method thereof
  • Programmable control flexible actuator and preparation method thereof
  • Programmable control flexible actuator and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] see figure 1 , this embodiment introduces a programmable manipulation flexible actuator, which includes a flexible double-layer membrane 2 and a clamping foil 1 .

[0050] Wherein, during the production process, the flexible double-layer film 2 is elongated when heated, and arched when naturally cooled. The flexible double-layer film includes a laminated strip-shaped polydimethylsiloxane layer and a carbon nanotube layer, and the carbon nanotube layer is located on the side protruding outward in the arched structure; the polydimethylsiloxane layer The methyl silicone layer is on the concave side of the arch.

[0051] There are two sets of sandwiched foils 1, and they are in the form of strips. The clamping foil 1 is used to clamp the assembly of the flexible double-layer film 2 . The two groups of sandwiching foils 1 are wound from one side of the carbon nanotube layer, pass through the polydimethylsiloxane layer, and reach the other side of the carbon nanotube layer...

Embodiment 2

[0066] see Figure 5 , this embodiment introduces a flexible actuator manipulating device, which is used to operate the flexible actuator in the programmed manipulation flexible actuator introduced in Embodiment 1. The flexible actuator manipulator includes an illuminating element.

[0067] The longer side of the strip-shaped flexible double-layer film is defined as the long side, and the shorter side is the short side; the irradiation element irradiates the carbon nanotube layer of the flexible double-layer film, and its light is The central part of the long side is irradiated from one end to the other to drive the flexible bilayer membrane to crawl. The optical fiber passes through the two clamping foils 1 in sequence. The irradiation element adopts a near-infrared laser 3, and the radiation distance of the near-infrared laser 3 is 10 cm, and the power is 200 mW.

[0068] In this embodiment, when the radiation distance of the near-infrared laser 3 and the power of the lig...

Embodiment 3

[0070] see Image 6 , this embodiment introduces a method for preparing a programmable and manipulable flexible actuator, which is used to prepare a programmable and manipulable flexible actuator introduced in Embodiment 1. When preparing the programmable manipulative flexible actuator, the flexible double-layer film 2 and the clamping foil 1 need to be prepared separately.

[0071] Wherein, the preparation method of flexible double-layer film 2 comprises steps:

[0072] Step S1, evaporating the carbon nanotube suspension on the substrate to obtain a solidified carbon nanotube layer. Wherein, the substrate may be a glass substrate or a substrate of other materials, as long as it can support the suspension of carbon nanotubes.

[0073] Step S2, spreading the viscous polydimethylsiloxane mixture evenly on the carbon nanotube layer, and curing at 100° C. to obtain a double-layer film. Wherein, after the viscous polydimethylsiloxane mixture is evenly applied on the carbon nanot...

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Abstract

The invention relates to a programmable control flexible actuator, comprising a flexible bilayer film, a clamping foil and and a carbon nanotube layer. The flexible bilayer film comprises a polydimethylsiloxane layer and a carbon nanotube layer which are laminated; the two groups of strip-shaped clamping foils are used for clamping a combined body of the flexible bilayer film; the two groups of clamping foils are wound from one side of the carbon nanotube layer and reach the other side of the carbon nanotube layer after passing through the polydimethylsiloxane layer; the clamping foil on the surface of the carbon nanotube layer is of a two-section structure with the middle broken. The two groups of clamping foils are obliquely arranged on the flexible bilayer film and are parallel to each other. According to the programmable control flexible actuator and a preparation method thereof, two groups of clamping foils are clamped on the flexible bilayer film, and when laser irradiation is carried out on the flexible bilayer film, the crawling distance of the flexible bilayer film is increased, and meanwhile, an offset is small, so that the original movement track is changed, and various requirements in actual life can be met; the stability of a flexible bilayer film structure can be enhanced under a condition that a flexible bilayer film material is not damaged.

Description

technical field [0001] The invention relates to the field of flexible actuators, in particular to a programmable manipulation flexible actuator and a preparation method thereof. Background technique [0002] Self-folding flexible actuators are an emerging smart structure. The constituent layers of flexible actuators can undergo autonomous reconfiguration under external stimuli, and the constituent layers can exhibit different mechanical behaviors under external stimuli, such as electric fields, residual stress, electrochemical interactions, pH, biological enzymes, solvents, etc. Concentration, water content, temperature, light and other stimuli can achieve different movements. Flexible actuators have a wide range of applications in electronics, optics, energy storage, robotics, microfluidics, sensing, actuation, tissue engineering, drug delivery, and other disciplines. Since the motion law of the single double-layer membrane structure of the flexible actuator is fixed, it ...

Claims

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Application Information

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IPC IPC(8): B25J15/00B23K26/38
CPCB25J15/00B23K26/38
Inventor 张晨初张衡赵麟寒叶罕昌
Owner HEFEI UNIV OF TECH
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