Gap-adjustable electrostatic-spinning nozzle and array-type spinning system

Abstract

The invention discloses a gap-adjustable electrostatic-spinning nozzle and an array-type spinning system. The gap-adjustable electrostatic-spinning nozzle comprises a liquid inlet pipe, an end cover and an adjuster, wherein a plurality of tiny grooves are formed in the end face of one end of the liquid inlet pipe in an annular array mode, and the tiny grooves penetrate through the inner wall and the outer wall of the liquid inlet pipe to be communicated with a liquid inlet channel inside the liquid inlet pipe and the outside; a plurality of convex ribs are arranged on the end cover in an annular array mode, the tiny grooves are filled with all the convex ribs one by one, the convex ribs are equal to the tiny grooves in thickness, and liquid outlet gaps are formed between the opposite end faces of the convex ribs and the tiny grooves; the adjuster is used for driving the liquid inlet pipe and the end cover to get close to each other or get away from each other, the distance between the liquid outlet gaps is changed accordingly, and the adjuster is connected with the liquid inlet pipe and the end cover. According to the gap-adjustable electrostatic-spinning nozzle and the array-type spinning system, the spinning diameter can be adjusted, and spinning efficiency can be improved. The gap-adjustable electrostatic-spinning nozzle and the array-type spinning system can be applied to the field of melt electrostatic spinning or the field of solution electrostatic spinning.

Description

Technical field [0001] The invention relates to the field of electrospinning, in particular to an electrospinning nozzle with adjustable gap and an array spinning system. Background technique [0002] A wide variety of nanofibers can be prepared by electrospinning technology, including organic, organic / inorganic composite and inorganic nanofibers. It has become one of the most important technical methods for nanomaterial manufacturing research in the world in the past ten years. Nanofibers with a diameter of a few nanometers to hundreds of nanometers can be obtained through electrospinning technology, and the fiber membrane sprayed by electrospinning technology is light in weight, good in permeability, high in porosity, and good in internal pore connectivity, and is easy to interact with The combination of nano-level chemical substances or functional substances has become an important way for the manufacture of functional nanofiber materials. With the development of nanotechnolo...

AI Technical Summary

Problems solved by technology

However, the existing technologies are all in the laboratory stage, with low output and low efficiency. Therefore, how to increase output and efficiency, reduce costs, obtain high-quality electrospinning, and realize its industrialization has become one of the hotspots in the field of electrospinning today.

[0004] The traditional electrospinning device has the following disadvantages: first, the capillary with extremely small pores is difficult to process, the cost is high, and it is easy to block during the spinning process, which affects the continuous operation of electrospinning; second, the traditional The electrospinning device has low efficiency and low output, and it is difficult to achieve the goal of high-efficiency production; thirdly, the current electrospinning equipment that can spray multiple jets is difficult to ensure that the quality of each jet is consistent

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