CN109797444A - Portable melt device built in a kind of high-field electrode - Google Patents

Abstract

The invention belongs to melt electrostatic spinning equipment technical fields, it is related to Portable melt device built in a kind of high-field electrode, it is made of spinneret part and fan section, the main structure of spinneret part includes spinning nozzle, electrode holder, electrode, insulation blocking sleeve, heat transfer cylinder, Electrothermal ring, jackscrew, high-voltage conducting wires, roller groove, idler wheel, high-pressure electrostatic module, power module, shell, power supply line, regulating switch and No.1 contact point, the main structure of fan section includes shell, motor, bracket, flabellum, heater strip, venthole and No. two contact points, using tubulose charge bar as spinning material, accurate temperature control heating is carried out to tubulose charge bar using Electrothermal ring and becomes melt, tubulose charge bar slowly moves under idler wheel drive to spinning end, melt is squeezed after spinning nozzle tip annular is uniformly distributed in electric field Tens of jet streams are formed under effect, are formed fiber after stretched, solidification and cooling, are realized that real-time mass prepares superfine fibre.

Description

Portable melt device built in a kind of high-field electrode

Technical field:

The invention belongs to melt electrostatic spinning equipment technical fields, and in particular to portable melt built in a kind of high-field electrode Electrostatic spinning apparatus can be realized the portable real-time continuous mass preparation of superfine fibre.

Background technique:

Electrostatic spinning is the technique that polymer melt or solution are prepared into superfine fibre using high-pressure electrostatic, has and sets Feature standby simple and that operation is easy, has received widespread attention, and is that prepare polymer continuous nano-fibre at present most important One of method.With the continuous development of nano material technology, electrostatic spinning simple and effective produces nanofiber as a kind of New Processing, played in terms of bio-medical material, filtering and protection, catalysis, the energy, photoelectricity and food engineering huge Big effect.Electrostatic spinning technique is quickly grown, and researcher opens around the directions such as fibre diameter, increase fiber output efficiency are reduced A variety of electrostatic spinning apparatus to have been sent out, but have mostly rested on laboratory stage, volume is larger, and it is not readily portable, and can not accomplish Being used while making limits the application of electrostatic spinning technique.In recent years, portable electrostatic device for spinning is surrounded, researcher carries out Some technological improvements.A kind of hand-held portable electrostatic spinning equipment of air-flow auxiliary disclosed in Chinese patent 201810373378.4 It is opened including insulation crust, large capacity secondary cell, charging jacks, high-voltage conducting wires, high voltage electrostatic generation unit, high-pressure electrostatic Pass, the fixed bracket of airflow duct connector, airflow duct, syringe, disposable syringe, syringe needle fixed bracket, stainless pin Head, air-flow orientation cover；The handle portion of the insulation crust is equipped with dismountable insulating cover；Large capacity secondary cell passes through high pressure Conducting wire is connect with high voltage electrostatic generation unit and charging jacks；High voltage electrostatic generation unit and high-pressure electrostatic occur switch and pass through height Conducting wire is pressed to be connected；High-pressure electrostatic occurs switch and is located on the inside of the handle of insulation crust；Airflow duct is located inside insulation crust Middle position is equipped with airflow duct connector among insulation crust handle bottom end；Insulation crust top is set there are two syringe Fixed bracket, is fixed on insulation crust top for disposable syringe；The stainless steel syringe needle of syringe passes through the fixed bracket of syringe needle It is fixed on the axis line position of insulation crust front end, the fixed bracket of syringe needle passes through high-voltage conducting wires and high voltage electrostatic generation unit phase Even；Insulation crust leading portion opening is equipped with cylindrical air-flow orientation cover；And disclosed in Chinese patent 201720057770.9 A kind of novel portable electrostatic spinning apparatus includes host and pistol, and the host includes host housing, in host housing It is provided with power supply, gas generator and high voltage power supply mechanism, the pistol includes gun body shell, spinning head and is spinneret Head provides the liquid supplying device of spinning precursor liquid, and air inlet and air outlet, the air inlet connection are provided on the gun body shell The gas-guide tube of gas generator, the spinning head stretch out gun body shell, the injection tip of spinning head and gas outlet from gas outlet Central axis coincide；Power electric connection high voltage power supply mechanism, gas generator and liquid supplying device, high voltage power supply machine The anode of the voltage output end of structure connects spinning head by conducting wire；One kind disclosed in Chinese patent 201510214221.3 is portable Electrospinning device includes dry battery power, high-voltage electrostatic generator, charging gear, gas generating unit, spinning injection dress It sets and insulation crust；The dry battery power electrical connection high-voltage electrostatic generator, charging gear and gas generating unit；It is described High-voltage electrostatic generator includes DC- high pressure DC inverter and voltage regulating and controlling circuit, the voltage input end of DC- high pressure DC inverter It is electrically connected dry battery power, the voltage output end connection control high-voltage electrostatic generator output voltage of DC- high pressure DC inverter The voltage regulating and controlling circuit of size；The voltage output end of voltage regulating and controlling circuit is the voltage output end of high-voltage electrostatic generator, The cathode of the voltage output end of high-voltage electrostatic generator is grounded, the metal capillary spray head of anode connection spinning injection apparatus, The metal capillary spray head is connected to charging gear；The spinning injection apparatus further includes the gas coaxial with metal capillary spray head Conductance pipe, the airflow duct are placed on outside metal capillary spray head, and the airflow duct connects gas generating unit；It is described dry Battery supply, high-voltage electrostatic generator, gas generating unit are placed in insulation crust, are provided on insulation crust and are led with air-flow The opening that pipe port bore matches, airflow duct be aligned with the injection tip of metal capillary spray head insulation crust opening or It is stretched out from opening；A kind of Portable low-voltage near field electrostatic spinning presentation device disclosed in Chinese patent 201020156420.6, Main structure includes experiment instrument shell, voltage drainage area, control panel, univalve door, portable handle, attaching plug, spinning dials, connects Ground wire, high-voltage DC power supply, metal spinning needle, scale support rod, connecting rod, dielectric base face, aluminium foil, coverslip, taylor cone And spinning jet, it is characterised in that be formed with portable handle, experiment instrument at the experiment instrument shell upper side center of cuboid box structure Shell leading flank right-half plane is formed with control panel, and left demifacet is made the univalve door of single open-type, connects on the trailing flank of experiment instrument shell Power supply line is electrically connected with attaching plug out；Experiment instrument body interior structure, intracavity bottom system are provided in experiment instrument housing cavity There is the dielectric base face with experiment instrument housing bottom surface correspondingly-sized, dielectric base left side of face middle vertical type is provided with scale branch Strut, the scale support rod upper half are laterally formed with connecting rod, are formed with spinning dials at connecting rod end point, upright in spinning dials Formula is provided with 1-10 root metal spinning needle, and metal spinning needle top connects high-voltage DC power supply anode, and metal spinning needle is made on bottom end There is taylor cone, Taylor's cone tip part ejects spinning jet；Side to the right lays aluminium foil at the center of dielectric base face, places lid on aluminium foil Slide；Aluminium foil connect and is grounded with high-voltage DC power supply cathode；A kind of reality disclosed in Chinese patent 201120097470.6 Testing room dedicated portable miniature integration electrostatic spinning machine includes insulation box, transparent plastic door, compression screw, liquid feeding bottle cap, row Gas hose, burp valve, filament lamp switch, locking knob, pressurised cylinder, breather valve, connector sleeve, hose, fixed ring, direct current High voltage power supply, adjusting pressuring knob, liquid feeding bottle, liquid outlet valve, conducting wire, liquid storage pipe, taylor cone, controllable turning point, incandescent lamp, dirt support Disk collects device, support rod, fastening screw, support frame, and whole equipment is equipped with ground line, and each section device is centered on liquid storage pipe It is integrated in small-sized insulation box, and is connected using handle screw with clip, is readily disassembled；Above-mentioned patented product spinning medium is equal It is solution, does not can be carried out melt electrostatic spinning, can not realizes that the mass portability of superfine fibre is continuously prepared in real time.Cause This, a kind of Portable melt device of R & D design, by the miniaturization of internal high-voltage electrode realization device, portable Change, and the mass that can be realized fiber is continuously prepared.

Summary of the invention:

It is an object of the invention to overcome defect of the existing technology, portable melt built in a kind of high-field electrode is researched and developed Electrostatic spinning apparatus realizes the fiber coating in arbitrary surfaces any direction, deposition and continuous preparation in real time.

To achieve the goals above, Portable melt device built in high-field electrode of the present invention is by spinneret Part and fan section composition；The main structure of spinneret part include spinning nozzle, electrode holder, electrode, insulation blocking sleeve, Heat transfer cylinder, Electrothermal ring, jackscrew, high-voltage conducting wires, roller groove, idler wheel, high-pressure electrostatic module, power module, shell, power supply Line, regulating switch and No.1 contact point；The spinning nozzle of hollow type cylindrical structure is internally provided with electrode holder, spinning The top of spray head is outer circle taper, and the tail end of electrode holder is cone, and one end of electrode holder is provided with spheroidal knot The periphery of the electrode of structure, spinning nozzle is provided with the insulation blocking sleeve of tubular structure, between spinning nozzle and insulation blocking sleeve Front end is provided with the heat transfer cylinder and Electrothermal ring of tubular structure, and Electrothermal ring fixation is set in the front end notch of heat transfer cylinder Side, the top of heat transfer cylinder are the cone being adapted with spinning nozzle top, and the jackscrew that three equidistant formulas are arranged is by spinning Spray head, electrode holder and heat transfer cylinder are fastenedly connected, and one of jackscrew is hollow structure, and high-voltage conducting wires are drawn by Electrothermal ring Out, it is connect after hollow jackscrew and electrode holder with electrode, the inside of insulation blocking sleeve is opened up there are two mirror symmetry The roller groove of formula structure is provided with idler wheel in roller groove, is provided with high-pressure electrostatic module, high pressure below the rear end of insulation blocking sleeve Power module is provided with below electrostatic module, the outside of insulation blocking sleeve, high-pressure electrostatic module and power module is enclosed equipped with outer Shell, power supply line extend back out shell from power module extraction, and the shell at high-pressure electrostatic module is provided with regulating switch, shell it is outer Side is provided with No.1 contact point；The main structure of fan section include shell, motor, bracket, flabellum, heater strip, venthole and No. two contact points；The shell of hollow type structure is internally provided with motor, and motor is fixed on the inside of shell by two brackets, Motor is connect with flabellum, and flabellum is located between two brackets, heater strip is provided between two brackets, the rear end of shell offers Venthole, the side of shell are provided with No. two contact points, and motor and heater strip are connect with No. two contact points respectively；Spinning nozzle with Gap between electrode holder is No.1 annular chamber, and the gap between spinning nozzle and insulation blocking sleeve is No. two annular chambers, Shell is inserted into spinneret part and fan section realization connection after No. two annular chambers, and No.1 contact point is connected with No. two contact points, electric Source module is fan section power supply.

Electrode holder and insulation blocking sleeve of the present invention are partiting thermal insulation material, including ceramics, polytetrafluoroethyl-ne Alkene and polyether-ether-ketone；Insulation blocking sleeve has heat-insulated and insulating effect, being capable of protection staff and equipment safety；Idler wheel is concave wheel； Electric power source pair of module alternating current carries out AC-DC conversion and decompression processing；The high-pressure electrostatic module and power module exterior portion of shell be Handgrip part；Power supply line can be connect with alternating current or lithium battery；Regulating switch can adjust the flow velocity and temperature of air-flow, electrostatic electricity Pressure, the revolving speed of idler wheel, the temperature of Electrothermal ring and the temperature of heater strip；Shell has positioning action to spinning nozzle；Motor For high-speed motor；Heater strip is thermal resistance heater strip；Venthole is the channel that air enters shell.

Portable melt device built in high-field electrode of the present invention, will in use, remove fan section It is sent between the concave surface of idler wheel convenient for what is stored and carry by polymer raw material extrusion or injection molding tubulose charge bar, tubulose material The internal diameter and outer diameter of stick are identical as the internal diameter of No. two annular chambers and outer diameter, then fan section is inserted into No. two annular chambers；It will be electric The electrical connection of the city Yuan Xianyu, motor drive flabellum high speed rotation, generate air-flow to the right, air-flow becomes after the heating of heater strip Thermal current adjusts by regulating switch and controls the temperature and speed of thermal current according to the spinning parameter of setting, thermal current via The cavity of spinning nozzle enters No.1 annular chamber, sprays on the outside of electrode after annular spread；Meanwhile tubulose charge bar is by idler wheel Concave surface is clamped in No. two annular chambers and conveys to the right, adjusts the revolving speed of idler wheel by regulating switch to adjust tubulose charge bar at No. two The speed conveyed in annular chamber, tubulose charge bar right end reach at heat transfer cylinder, and before this, Electrothermal ring has been powered and has passed to heat Guide tube is heated, and the tubulose charge bar at arrival heat transfer cylinder, which is heated, is melt into melt, the pipe that melt is constantly conveyed to the right Shape charge bar is squeezed to the conical surface tip of spinning nozzle, and is uniformly distributed in a ring；Effect of the electrode in high-pressure electrostatic module Lower band high-pressure electrostatic adjusts electrostatic potential to 10kV, electrode electrification, spinning nozzle conical surface tip induction band by regulating switch Electricity, the melt self-organizing at the conical surface tip of spinning nozzle form dozens of and are uniformly distributed jet stream, under thermal current drive, forward To reception device, jet stream is stretched, solidifies and be cooled into superfine fibre for injection.

Compared with prior art, the present invention using being prepared in advance convenient for storage, the tubulose charge bar conduct for carrying and installing Spinning material becomes the accurate temperature control heating of material a part of near tubulose charge bar end progress using Electrothermal ring molten Body, tubulose charge bar slowly move under idler wheel drive to spinning end, squeeze melt in the spinning nozzle tip ring of conical structure Shape is uniformly distributed, under electric field action, tens of jet streams of the melt composition of annular spread, and the height that motor drives flabellum rotation to generate Fast air-flow drives jet stream to blow to reception device after heater strip heats up, and jet stream is stretched, solidifies and is formed after cooling ultra-fine Fiber, to realize the real-time mass preparation of superfine fibre, electrode is built in spinning nozzle center, applies voltage from routine 50-80kV is reduced within 10kV, and the volume of high-pressure electrostatic module is reduced while improving safety coefficient, is advantageously implemented Portability purpose of design, meanwhile, the limitation that conventional electrostatic spinning reception device connects electricity is relieved, can be realized and appoint in arbitrary surfaces The real-time continuous spraying of the superfine fibre mass in meaning direction, deposition and preparation, extend electrostatic spinning and prepare answering for micro-nano fiber Use direction；Its structure is simple, easy to operate, compact, easy to carry and hand-held, and spinning efficiency is high, heating speed and wire vent Speed is fast, and temperature control is accurate, is conducive to the refinement of fiber, can be widely applied for experimental demonstration, medical and military etc. fields.

Detailed description of the invention:

Fig. 1 is main structure schematic illustration of the invention.

Fig. 2 is the main structure schematic illustration of tubulose charge bar of the present invention.

Fig. 3 is the connection relationship diagram of tubulose charge bar and idler wheel of the present invention.

Specific embodiment:

Invention is further described in detail with reference to the accompanying drawing and by embodiment.

Embodiment 1:

Portable melt device is by spinneret part 1 and fan section built in the high-field electrode that the present embodiment is related to 3 compositions；The main structure of spinneret part 1 includes spinning nozzle 10, electrode holder 11, electrode 12, insulation blocking sleeve 13, heat biography Guide tube 14, Electrothermal ring 15, jackscrew 16, high-voltage conducting wires 17, roller groove 18, idler wheel 19, high-pressure electrostatic module 20, power module 21, shell 22, power supply line 23, regulating switch 24 and No.1 contact point 25；The spinning nozzle 10 of hollow type cylindrical structure it is interior Portion is provided with electrode holder 11, and the top of spinning nozzle 10 is outer circle taper, and the tail end of electrode holder 11 is cone, electricity One end of pole retainer 11 is provided with the electrode 12 of spheroidal structure, and the periphery of spinning nozzle 10 is provided with the isolation of tubular structure Protective case 13, the front end between spinning nozzle 10 and insulation blocking sleeve 13 are provided with heat transfer cylinder 14 and the electric heating of tubular structure Circle 15, the fixed front end inner side for being set in heat transfer cylinder 14 of Electrothermal ring 15, the top of heat transfer cylinder 14 is to spray with spinning The adaptable cone in first 10 top, the jackscrew 16 that three equidistant formulas are arranged is by spinning nozzle 10, electrode holder 11 and warm Conduction cylinder 14 is fastenedly connected, and one of jackscrew 16 is hollow structure, and high-voltage conducting wires 17 are drawn by Electrothermal ring 15, is passed through hollow Jackscrew 16 and electrode holder 11 after connect with electrode 12, the inside of insulation blocking sleeve 13 is opened up there are two mirror symmetry formula knot The roller groove 18 of structure is provided with idler wheel 19 in roller groove 18, is provided with high-pressure electrostatic module below the rear end of insulation blocking sleeve 13 20, the lower section of high-pressure electrostatic module 20 is provided with power module 21, insulation blocking sleeve 13, high-pressure electrostatic module 20 and power module 21 outside is enclosed equipped with shell 22, and power supply line 23 draws from power module 21 and extendes back out shell 22, at high-pressure electrostatic module 20 Shell 22 is provided with regulating switch 24, and the outside of shell 22 is provided with No.1 contact point 25；The main structure of fan section 3 includes Shell 30, motor 31, bracket 32, flabellum 33, heater strip 34, venthole 35 and No. two contact points 36；The shell of hollow type structure 30 are internally provided with motor 31, and motor 31 is fixed on the inside of shell 30 by two brackets 32, motor 31 and flabellum 33 connect It connects, flabellum 33 is located between two brackets 32, heater strip 34 is provided between two brackets 32, the rear end of shell 30 offers logical Stomata 35, the side of shell 30 are provided with No. two contact points 36, and motor 31 and heater strip 34 are connect with No. two contact points 36 respectively； Gap between spinning nozzle 10 and electrode holder 11 is No.1 annular chamber 41, between spinning nozzle 10 and insulation blocking sleeve 13 Gap be No. two annular chambers 42, shell 30, which is inserted into spinneret part 1 and fan section 3 after No. two annular chambers 42, to be realized and connects, one Number contact point 25 and No. two contact points 36 are connected, and power module 21 is that fan section 3 is powered.

The electrode holder 11 and insulation blocking sleeve 13 that the present embodiment is related to are partiting thermal insulation material, including ceramic, poly- Tetrafluoroethene and polyether-ether-ketone；Insulation blocking sleeve 13 has heat-insulated and insulating effect, being capable of protection staff and equipment safety；Idler wheel 19 be concave wheel；Power module 21 carries out AC-DC conversion to alternating current and decompression is handled；The high-pressure electrostatic module 20 and electricity of shell 22 21 exterior portion of source module is handgrip part；Power supply line 23 can be connect with alternating current or lithium battery；Regulating switch 24 can be adjusted The flow velocity and temperature of air-flow, electrostatic potential, the revolving speed of idler wheel 19, the temperature of Electrothermal ring 15 and the temperature of heater strip 34；Shell Body 30 has positioning action to spinning nozzle 10；Motor 31 is high-speed motor；Heater strip 34 is thermal resistance heater strip；Venthole 35 It is the channel that air enters shell 30.

Portable melt device built in the high-field electrode that the present embodiment is related in use, remove fan section 3, It will be sent between the concave surface of idler wheel 19 convenient for what is stored and carry by polymer raw material extrusion or injection molding tubulose charge bar, pipe The internal diameter and outer diameter of shape charge bar are identical as the internal diameter of No. two annular chambers 42 and outer diameter, then fan section 3 is inserted into No. two annular chambers In 42；Power supply line 23 is electrically connected with city, motor 31 drives 33 high speed rotation of flabellum, generates air-flow to the right, air-flow is by adding Become thermal current after the heating of heated filament 34 to adjust by regulating switch 24 according to the spinning parameter of setting and control thermal current Temperature and speed, thermal current enter No.1 annular chamber 41 via the cavity of spinning nozzle 10, after annular spread outside electrode 12 Side spray goes out；Meanwhile tubulose charge bar is clamped in No. two annular chambers 42 by the concave surface of idler wheel 19 and conveys to the right, passes through regulating switch 24 The revolving speed of idler wheel 19 is adjusted to adjust the speed that tubulose charge bar conveys in No. two annular chambers 42, tubulose charge bar right end reaches heat and passes At guide tube 14, before this, Electrothermal ring 15 has been powered and has heated to heat transfer cylinder 14, reaches the pipe at heat transfer cylinder 14 Shape charge bar, which is heated, is melt into melt, and the tubulose charge bar that melt is constantly conveyed to the right is squeezed to the conical surface tip of spinning nozzle 10 Place, and be uniformly distributed in a ring；Band high-pressure electrostatic under the action of high-pressure electrostatic module 20 of electrode 12, passes through regulating switch 24 Electrostatic potential is adjusted to 10kV, electrode 12 charges, 10 conical surface tip induction charging of spinning nozzle, the conical surface tip of spinning nozzle 10 The melt self-organizing at place forms dozens of and is uniformly distributed jet stream, under thermal current drive, sprays forward to reception device, jet stream warp Overstretching solidifies and is cooled into superfine fibre.

Claims (3)

1. a high-voltage electrode built-in portable melt electrospinning device is characterized in that the main structure is made up of a spinning part and a fan part; the main structure of the spinning part comprises a spinning nozzle, an electrode holder, an electrode, an isolation protective sleeve, Heat conduction cylinder, electric heating ring, top wire, high-voltage wire, roller groove, roller, high-voltage electrostatic module, power module, housing, power cord, adjustment switch and No. 1 contact point; the internal setting of the spinning nozzle with hollow cylindrical structure There is an electrode holder, the top of the spinneret is outer conical, the tail end of the electrode holder is conical, one end of the electrode holder is provided with an electrode with a spherical structure, and the periphery of the spinneret is provided with a tubular structure for isolation protection The front end between the spinning nozzle and the isolating protective sleeve is provided with a tubular structure heat conduction cylinder and an electric heating ring. The electric heating ring is fixedly sleeved on the inside of the front end gap of the heat conduction cylinder. Adapted to the conical shape, three equally spaced top wires connect the spinning nozzle, the electrode holder and the heat conduction cylinder tightly, one of the top wires is a hollow structure, and the high-voltage wire is led out by the electric heating coil and passes through the hollow top wire. After the wire and the electrode holder are connected to the electrode, there are two roller grooves with a mirror-symmetric structure inside the isolation protective sleeve. The roller grooves are provided with rollers, and a high-voltage electrostatic module is arranged under the rear end of the isolation protective sleeve. The high-voltage electrostatic module The power module is arranged below the power supply module, the isolation protection cover, the high-voltage electrostatic module and the outside of the power module are surrounded by a shell, the power cord is drawn out from the power module and extends out of the shell, the shell at the high-voltage electrostatic module is provided with an adjustment switch, and the outer side of the shell is provided with There is a contact point No. 1; the main structure of the fan part includes a casing, a motor, a bracket, a fan blade, a heating wire, a ventilation hole and a contact point No. 2; a motor is arranged inside the casing of the inner hollow structure, and the motor passes through two brackets It is fixed inside the casing, the motor is connected with the fan blade, the fan blade is located between two brackets, a heating wire is arranged between the two brackets, the rear end of the casing is provided with a ventilation hole, and the side of the casing is provided with two Contact point No. 2, the motor and the heating wire are respectively connected to the contact point No. 2; the gap between the spinning nozzle and the electrode holder is the No. 1 annular cavity, and the gap between the spinning nozzle and the isolation protective sleeve is the No. 2 annular cavity. After the casing is inserted into the No. 2 annular cavity, the spinneret part is connected with the fan part, the No. 1 contact point is connected with the No. 2 contact point, and the power module supplies power to the fan part. 2. The high-voltage electrode built-in portable melt electrospinning device according to claim 1, characterized in that the electrode holder and the isolation protective sleeve are both heat-insulating materials, including ceramics, polytetrafluoroethylene and polyether ether ketone; The isolation protective cover has the function of heat insulation and insulation, which can protect the safety of personnel and equipment; the roller is a concave wheel; the power module performs AC-DC conversion and step-down processing on the mains; the high-voltage electrostatic module of the shell and the outer part of the power module are the hand-held parts; The power cord can be connected to the mains or lithium battery; the adjustment switch can adjust the flow rate and temperature of the air flow, the electrostatic voltage, the rotation speed of the roller, the temperature of the electric heating ring and the temperature of the heating wire; the casing has a positioning effect on the spinning nozzle; the motor It is a high-speed motor; the heating wire is a thermal resistance heating wire; the ventilation hole is the passage for air to enter the shell. 3. The high-voltage electrode built-in portable melt electrospinning device according to claim 1, characterized in that when in use, the fan part is removed, and a tubular material rod extruded or injection-molded from polymer raw materials that is easy to store and carry Send it between the concave surfaces of the rollers, the inner diameter and outer diameter of the tubular material rod are the same as those of the No. 2 annular cavity, and then insert the fan part into the No. 2 annular cavity; connect the power line to the mains, and the motor drives the fan The blade rotates at high speed to generate a rightward airflow. The airflow is heated by the heating wire and becomes a hot airflow. According to the set spinning parameters, the temperature and speed of the hot airflow are adjusted and controlled by adjusting the switch. The hot airflow passes through the spinning nozzle. The cavity enters the No. 1 annular cavity, and is sprayed out from the outside of the electrode after annular distribution; at the same time, the tubular material rod is clamped by the concave surface of the roller and transported to the right in the No. 2 annular cavity. At the speed of conveying in the No. 2 annular cavity, the right end of the tubular material rod reaches the heat conduction cylinder. Before that, the electric heating ring has been energized and heated the heat conduction cylinder. The tubular material rod reaching the heat conduction cylinder is heated and melted into a melt. The body is extruded to the tip of the cone surface of the spinning nozzle by the tubular material bar that is continuously conveyed to the right, and is evenly distributed in a ring shape; the electrodes are charged with high-voltage static electricity under the action of the high-voltage electrostatic module, and the electrostatic voltage is adjusted to 10kV by adjusting the switch. Charged, the tip of the cone surface of the spinneret is charged by induction, and the melt at the tip of the cone surface of the spinneret self-organizes to form dozens of uniformly distributed jets. Solidification and cooling form microfibers.