Device and method for continuously producing piezoelectric fibers

Abstract

The invention discloses a device for continuously producing piezoelectric fibers. The device comprises a melt spinning device, a water cooling roller, a temperature control roller and a polarization device, wherein the melt spinning device, the water cooling roller, the temperature control roller and the polarization device are connected in sequence; the melt spinning device comprises a spinning box body, a hopper is connected to the upper surface of the spinning box body, a spinning nozzle is connected to the end of the spinning box body, and the polarization device comprises a polarization pool loaded with silicone oil; two high-voltage electrode plates are arranged in the silicone oil, a fiber advancing channel is formed between the two high-voltage electrode plates, a low-speed rollerand a high-speed roller are arranged at the two edges of the fiber advancing channel respectively, and a heating device is arranged at the bottom of the polarization pool. The device integrates production polarization and collection, and the efficiency of producing the piezoelectric fibers is improved. A method for continuously producing the piezoelectric fibers adopts the device, the silicone oilis heated, the rotation speed ratio of the high-speed roller to the low-speed roller is adjusted, and the voltage of the high-voltage electrode plates is adjusted. The method is easy to operate, various parameters are precisely controlled, and the yield is high.

Description

technical field [0001] The invention belongs to the technical field of functional material production, and relates to a device for continuously producing piezoelectric fibers, and also relates to a method for continuously producing piezoelectric fibers. Background technique [0002] With the development of science and technology, the requirements for the performance and shape of piezoelectric appliances are getting higher and higher, and piezoelectric fibers are produced. As a new type of piezoelectric material, piezoelectric fibers have the characteristics of large flexibility, small mass, Attached to the surface, high electromechanical coupling coefficient and strong anti-destructive ability. In the production process of piezoelectric fibers, in order to ensure the performance of piezoelectric properties, polarization is an essential process. The existing piezoelectric fiber production and polarization process is divided into two processes, which cannot be carried out at ...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a device for continuous production of piezoelectric fibers, which solves the problem that piezoelectric fiber production and polarization cannot be carried out simultaneously in the prior art

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