Preparation device of multilayer microstructure fiber based on near-field electrospinning direct writing

Abstract

The invention relates to the field of electrospinning micro-nano manufacturing, in particular to a preparation device of a multilayer microstructure fiber based on near-field electrospinning direct writing. The preparation device comprises an injection pump, an injection needle tube, an electrospinning needle head, a high-voltage power supply, a collection plate, a displacement control platform, afocusing irradiation light source, a sheath gas device and a focusing heating light source; the injection pump conveys a solution in the injection needle tube to the electrospinning needle head, thecollection plate is located below the electrospinning needle head, a displacement control platform drives the collection plate to move, the collection plate comprises photosensitive collecting units distributed in an array manner and insulating media, and the insulating media are filled into the positions between the adjacent photosensitive collecting units; and the focusing irradiation light source is focused on the photosensitive collecting units below the electrospinning needle head, and the high-voltage power supply is used for providing an electric field between electrospinning needle head and the photosensitive collecting units. According to the preparation device, point-to-point jet printing receiving is realized through the photosensitive collecting units distributed in the array manner, the jet printing precision is improved, the jet printing efficiency is improved, and rapid jet printing of complex micro-nano structures such as a single-point stacked structure and a suspendedstructure becomes possible.

Description

technical field [0001] The invention relates to the field of electrospinning micro-nano manufacturing, in particular to a preparation device for multilayer microstructure fibers based on near-field electrospinning direct writing. Background technique [0002] In recent years, improving the microstructure integration of electronic sensors and reducing the size of sensors has become the mainstream of the development of micro-nano electronic sensors. In the preparation process of micro-nano sensors, the traditional process is based on the subtractive manufacturing technology of exposure and etching, which faces the problem of material compatibility. However, due to problems such as poor performance, high cost, and serious environmental pollution, it cannot meet the needs of low-cost and green manufacturing of micro-nano electronic sensors. The preparation of micro-nano electronic sensor microstructure by jet printing additive manufacturing method has the advantages of good mate...

AI Technical Summary

Problems solved by technology

[0003] Therefore, it is necessary to provide a preparation device for multi-layer microstructured fibers based on near-field electrospinning direct writing, so as to solve the problems of poor precision and inability to form stereoscopically in traditional micro-nano jet printing preparation technology.

Images