Near-field direct writing device for preparing multi-layer fiber membrane and multi-layer fiber membrane preparation method

• Main Authors: LIANG ZHUYE, XUE ZENGXI, KANG HUAN, LI SHEN, SHI LEI, WANG HAN
• Format: Patent
• Language: Chinese; English
• Published: 10.01.2020
• Subjects: BRAIDING; COTTON-WOOL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS; KNITTING; LACE-MAKING; MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL; MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS; NATURAL OR ARTIFICIAL THREADS OR FIBRES; NON-WOVEN FABRICS; SPINNING; TEXTILES; TRIMMINGS; WADDING

The invention relates to the field of electrostatic spinning, in particular to a near-field direct writing device for preparing a multi-layer fiber membrane and a multi-layer fiber membrane preparation method. The near-field direct writing device comprises a high-voltage power supply, a receiving system, a liquid supply system, a control system, a needle head switching system and a vision inspection system, the needle head switching system is connected with the liquid supply system through an infusion tube, the control system is electrically connected with the liquid supply system, the high-voltage power supply, the receiving system, the needle head switching system and the vision inspection system, the vision inspection system is used for shooting fiber pictures on a receiving plate, thecontrol system calculates the size of a current acquired fiber membrane according to the fiber pictures, compares the size of the current fiber membrane with that of a preset fiber membrane and controls working of the liquid