Efficient nanofiber spinning device

Abstract

The invention relates to an electrospinning device, in particular to an efficient nanofiber spinning device. The efficient nanofiber spinning device comprises a high-voltage direct-current power supply, a motor driving device, transmission devices, rotating shafts, bearings, a solution tank, a grate plate, rotary needle cores, a collecting plate and a liquid supply device; the positive pole of thehigh-voltage direct-current power supply is connected with the solution tank, and the negative pole of the high-voltage direct-current power supply is connected with the collecting plate and grounded, so that a high-voltage electric field is provided for liquid surface conical-tip jet flow excitation; the collecting plate is located above the solution tank and used for depositing solid nanofibers; a micropipe array is arranged on the grate plate, the rotary needle cores are installed in micropipes, and the needle tips of the rotary needle cores stretch out of the micropipes; the motor drivingdevice drives the rotating shafts to rotate coaxially through the transmission devices; the inner rings of the bearings sleeve the rotating shafts, and the outer rings of the bearings are fixed to the bottom of the solution tank; the rotating shafts are connected with the rotary needle cores through clamps; the liquid supply device is connected with the solution tank through a liquid delivery pipe.

Description

technical field [0001] The invention relates to an electrostatic spinning device, in particular to a high-efficiency nanofiber spinning device. Background technique [0002] Electrospinning technology can stretch fluid into micro-nano fibers through the principle of electro-hydraulic dynamics. Due to its simple technology, low cost, and wide applicability, it has become a main technology for preparing nano-fibers and has attracted scientific research in related fields. Wide attention of workers and industry. The production efficiency of the early electrospinning method with a single needle tip as the nozzle is only about 0.02g / h, which is difficult to meet the growing market demand for nanofibers. The research on the electrospinning batch manufacturing technology of nanofibers needs continuous improvement and innovation. [0003] Chinese patent CN200720076954.6 discloses a multi-needle point batch electrospinning device. This device is actually a simple extension of the tra...

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Problems solved by technology

[0005] The purpose of the present invention is to provide a device that can overcome the shortcomings of the existing batch electrospinning technology, such as easy blockage of the needle tip, difficulty in electrospinning high-viscosity fluid, uneven fiber diameter distribution, etc. A high-efficiency nanofiber spinning device

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