Electrostatic spinning device for efficiently preparing nano-fiber fabrics

Abstract

The invention discloses an electrostatic spinning device for efficiently preparing nano-fiber fabrics, which comprises a frame, a collector, and at least one group of jet generating device, wherein the at least one group of jet generating device comprises two rotatable electrode rollers; the two electrode rollers are arranged vertically and have charges in the same direction; a plurality of spring-shaped wire electrodes are wound between the two electrode rollers; the lower electrode roller in the two electrode rollers is soaked in a trough filled with spinning solution; the collector comprises an electrode disc parallel to the spring-shaped wire electrodes; the electrode disc is provided with a guide plate connected with a take-up roller; the electrode disc is connected with a drag wheel; and the electrode disc and the drag wheel are connected with a drag motor. The efficiency of the electrostatic spinning device for producing the nano-fiber fabrics can be doubled; and unique nano-fiber fabrics can be prepared. The formed nano-fiber fabrics have good properties such as flexibility and the like; and compared with the prior art, the preparation method is simple, so that the cost is greatly reduced. Therefore, the electrostatic spinning device has good market prospect.

Description

technical field [0001] The invention relates to an electrospinning device for preparing nanofiber fabrics, in particular to an electrospinning device for efficiently preparing nanofiber fabrics. Background technique [0002] An electrospinning device generally includes a high-voltage power supply, a liquid supply device, a spray device, and a collection device. The high-voltage power supply provides hundreds to tens of thousands of volts of direct current to the injection device. Under the action of the electric field force, the liquid in the injection device is pulled out and split to form very thin jets that "fly" to the collection device. The jets are solidified and refined during the injection process, and finally become nano or micron-scale fibers. The collection device is generally a metal plate or roller that is grounded or connected to a negative voltage. [0003] At this stage, in order to produce nanofibers on a large scale, those skilled in the art have develope...

AI Technical Summary

Problems solved by technology

(3) Another problem with this device is that the surface of the drum body is made of smooth material or an annular or oblique boss. During the rotation process, the spinning liquid is brought up and sprayed to the collecting device under the action of an electric field. However, because the surface of the drum is smooth, the spinning solution brought up is uneven, resulting in uneven fiber filaments collected by the collecting device, and cannot completely form a uniform to dense fiber fabric.

This equipment has further processed the surface of the generating device, and set various protrusions, such as ring-shaped or transverse protrusions and evenly distributed small protrusions, but this improvement can only achieve an increase in the amount of spinning solution injection, It cannot fundamentally improve the uniformity of the fiber fabric. The unevenness of the fiber fabric will directly affect the strength and other properties of the fabric, and seriously affect its application quality.

(4) Although this device can increase the amount of spinning, compared with the original technology, the efficiency has been improved, but the degree of improvement is not enough, and it still cannot meet the existing market demand for textiles

(5) This device can only weave a single type of nanofiber fabric, which cannot be realized for the weaving of blended or interlayer fabrics that are currently popular in the market.

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