CN109797444A - Portable melt device built in a kind of high-field electrode - Google Patents
Portable melt device built in a kind of high-field electrode Download PDFInfo
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- CN109797444A CN109797444A CN201910176002.9A CN201910176002A CN109797444A CN 109797444 A CN109797444 A CN 109797444A CN 201910176002 A CN201910176002 A CN 201910176002A CN 109797444 A CN109797444 A CN 109797444A
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- spinning nozzle
- spinning
- tubulose
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- 238000009987 spinning Methods 0.000 claims abstract description 73
- 238000009413 insulation Methods 0.000 claims abstract description 42
- 230000000903 blocking effect Effects 0.000 claims abstract description 27
- 230000001105 regulatory effect Effects 0.000 claims abstract description 21
- 238000012546 transfer Methods 0.000 claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 15
- 241000883990 Flabellum Species 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims abstract description 6
- 239000007921 spray Substances 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 7
- 238000005421 electrostatic potential Methods 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 229920002530 polyetherether ketone Polymers 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 2
- -1 polytetrafluoroethylene Polymers 0.000 claims 1
- 238000009423 ventilation Methods 0.000 claims 1
- 238000010041 electrostatic spinning Methods 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 2
- 230000005684 electric field Effects 0.000 abstract description 2
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000005030 aluminium foil Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002121 nanofiber Substances 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920001410 Microfiber Polymers 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000003519 biomedical and dental material Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000001523 electrospinning Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
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
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. Portable melt device built in a kind of high-field electrode, it is characterised in that main structure is by spinneret part and wind
Fan part forms；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, adjusting
Switch and No.1 contact point；The spinning nozzle of hollow type cylindrical structure is internally provided with electrode holder, spinning nozzle
Top is outer circle taper, and the tail end of electrode holder is cone, and one end of electrode holder is provided with the electricity of spheroidal structure
The periphery of pole, spinning nozzle is provided with the insulation blocking sleeve of tubular structure, and the front end between spinning nozzle and insulation blocking sleeve is set
It is equipped with the heat transfer cylinder and Electrothermal ring of tubular structure, the fixed front end inner side for being set in heat transfer cylinder of Electrothermal ring, heat
The top for conducting cylinder is the cone being adapted with spinning nozzle top, the jackscrew that three equidistant formulas are arranged by spinning nozzle,
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, worn
It is connect after crossing hollow jackscrew and electrode holder with electrode, the inside of insulation blocking sleeve is opened up there are two mirror symmetry formula structure
Roller groove, idler wheel is provided in roller groove, is provided with high-pressure electrostatic module, high-pressure electrostatic mould below the rear end of insulation blocking sleeve
Power module is provided with below block, the outside of insulation blocking sleeve, high-pressure electrostatic module and power module is enclosed equipped with shell, power supply
Line extendes back out shell from power module extraction, and the shell at high-pressure electrostatic module is provided with regulating switch, the outside setting of shell
There is No.1 contact point；The main structure of fan section includes that shell, motor, bracket, flabellum, heater strip, venthole and No. two connect
Contact；The shell of hollow type structure is internally provided with motor, and motor is fixed on the inside of shell by two brackets, motor with
Flabellum connection, flabellum are located between two brackets, heater strip are provided between two brackets, the rear end of shell offers ventilation
Hole, 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 and electrode
Gap between retainer is No.1 annular chamber, and the gap between spinning nozzle and insulation blocking sleeve is No. two annular chambers, shell
Spinneret part is connected with fan section realization after being inserted into No. two annular chambers, and No.1 contact point is connected with No. two contact points, power supply mould
Block is fan section power supply.
2. Portable melt device built in high-field electrode according to claim 1, it is characterised in that electrode is protected
It holds frame and insulation blocking sleeve is partiting thermal insulation material, including ceramics, polytetrafluoroethylene (PTFE) 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
It is handled with decompression；The high-pressure electrostatic module and power module exterior portion of shell are handgrip part；Power supply line can with alternating current or
Lithium battery connection；Regulating switch can adjust the flow velocity and temperature of air-flow, electrostatic potential, the revolving speed of idler wheel, the temperature of Electrothermal ring
The temperature of degree and heater strip；Shell has positioning action to spinning nozzle；Motor is high-speed motor；Heater strip adds for thermal resistance
Heated filament；Venthole is the channel that air enters shell.
3. Portable melt device built in high-field electrode according to claim 1, it is characterised in that in use,
Fan section is removed, idler wheel will be sent by polymer raw material extrusion or injection molding tubulose charge bar convenient for what is stored and carry
Between concave surface, the internal diameter and outer diameter of tubulose charge bar are identical as the internal diameter of No. two annular chambers and outer diameter, then fan section is inserted into two
In number annular chamber；Power supply line is electrically connected with city, motor drives flabellum high speed rotation, generates air-flow to the right, air-flow is by adding
Become thermal current after the heating of heated filament and the temperature of thermal current is adjusted and controlled by regulating switch according to the spinning parameter of setting
And speed, thermal current enter No.1 annular chamber via the cavity of spinning nozzle, spray on the outside of electrode after annular spread；Together
When, tubulose charge bar is clamped in No. two annular chambers by the concave surface of idler wheel and conveys to the right, and the revolving speed of idler wheel is adjusted by regulating switch
Adjusting the speed that tubulose charge bar conveys in No. two annular chambers, tubulose charge bar right end reaches at heat transfer cylinder, before this, electricity
Heating coil has been powered and has heated to heat transfer cylinder, and the tubulose charge bar at arrival heat transfer cylinder, which is heated, is melt into melt, melts
The tubulose charge bar that body is constantly conveyed to the right is squeezed to the conical surface tip of spinning nozzle, and is uniformly distributed in a ring；Electrode
Band high-pressure electrostatic under the action of high-pressure electrostatic module adjusts electrostatic potential to 10kV, electrode electrification, spinning by regulating switch
Spray head conical surface tip induction charging, 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, spray forward to reception device, jet stream is stretched, solidifies and be cooled into superfine fibre.
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| CN110484982A (en) * | 2019-06-20 | 2019-11-22 | 青岛大学 | Hand-held melt electric spinning equipment |
| CN111424322A (en) * | 2020-03-04 | 2020-07-17 | 青岛科技大学 | Transverse needle-free electrostatic spinning device |
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| CN109797444B (en) | 2024-04-09 |
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