A liquid supply hole can be closed continuous liquid supply electrospinning device

Abstract

The invention discloses an electrospinning device for continuous liquid supply with closed liquid supply holes, which includes a power supply, a transmission system, several micro shafts, a motor, a motion platform, a liquid storage tank and a collection device, and the bottom of the liquid storage tank corresponds to each micro shaft There are several countersunk grooves, each of which is provided with a through hole, and each micro shaft passes through the through hole and passes out from the bottom of the liquid storage tank, and there is a space between the micro shaft and the through hole for the passage of the spinning solution. Gap, each micro-shaft is provided with a plunger above the countersunk groove, the gap can be opened or closed through the cooperation of the plunger and the countersunk groove when the micro-shaft is raised and lowered, the power supply is electrically connected to each micro-shaft and the collecting device, and the power supply After being turned on, the electric field required by the jet can be formed between each micro-shaft and the collection device. The invention adopts the drilling of the liquid storage tank and inserts the micro shaft to form a coaxial structure, and adopts the principle of the Weissenburg effect to solve the problems of clogging of the electrospinning nozzle of the traditional hollow nozzle and difficulty in controlling the liquid supply of each nozzle.

Description

technical field [0001] The invention is used in the technical field of electrospinning, and in particular relates to an electrospinning device for continuously supplying liquid with closed liquid supply holes. Background technique [0002] At present, nanofibers have been widely used in environmental protection, biomedicine and other fields, and the most widely used technology for producing nanofibers is electrospinning technology. This technology relies on the action of a high-voltage electrostatic field to stretch and split the jet, and finally Method of forming nanofibers. At present, the multi-nozzle electrospinning device used for mass production of nanofibers can produce fibers with uniform nanometer diameter. Ultra-efficient air filtration membranes and other fields are widely accepted, but there are still many problems in the multi-nozzle electrospinning device for mass-produced nanofibers, such as the inability to guarantee the consistent liquid supply of each nozz...

AI Technical Summary

Problems solved by technology

[0004] Based on the Weissenberg effect theory, the present invention provides a continuous liquid supply electrospinning device with closed liquid supply holes, which solves the problems of clogging of traditional hollow nozzle electrospinning nozzles and difficulty in controlling the liquid supply volume of each nozzle.

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