CN209584429U - A kind of Portable melt device - Google Patents

A kind of Portable melt device Download PDF

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Publication number
CN209584429U
CN209584429U CN201920295053.9U CN201920295053U CN209584429U CN 209584429 U CN209584429 U CN 209584429U CN 201920295053 U CN201920295053 U CN 201920295053U CN 209584429 U CN209584429 U CN 209584429U
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sleeve
insulation blocking
shell
blocking sleeve
spinning
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陈宏波
汪传生
韩雯雯
杨卫民
刘海超
焦冬梅
田晓龙
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Qingdao University of Science and Technology
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Qingdao University of Science and Technology
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Abstract

The utility model belongs to melt electrostatic spinning equipment technical field, it is related to a kind of Portable melt device, main structure is by spinneret part, handle portion, primary cable and high-voltage conducting wires composition, the main structure of spinneret part includes sleeve, jackscrew, spinning nozzle, heating rod, guide post, metallic channel, interior insulation blocking sleeve, outer insulation blocking sleeve and high-field electrode, the main structure of handle portion includes shell, power module, power supply line, high-pressure electrostatic module, motor, flabellum, air inlet, heater strip, regulating switch, rolling wheel support, upper roller and bottom roller, it is convenient for storage using what is prepared in advance, it carries and the tubulose charge bar of installation is as spinning material, its end is set nearby to become melt using Electric heating, the spinning nozzle tip of conical structure can generate tens of jet streams simultaneously, realize the reality of superfine fibre When mass prepare;Its structure is simple, easy to operate, securely and reliably, easy to carry and hand-held, and integration degree and spinning efficiency are high.

Description

A kind of Portable melt device
Technical field:
The utility model belongs to melt electrostatic spinning equipment technical field, and in particular to a kind of Portable melt Device can prepare superfine fibre in batches.
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 simple and efficient, and scientific research personnel has carried out a large amount of innovation in equipment, but mostly all volume compared with Greatly, operation is more complex, cannot achieve portability, seriously limits the development of electrostatic spinning technique.Medical treatment, military, household and There is an urgent need to portable electrospinning devices in the fields such as teaching demonstration.One kind disclosed in Chinese patent 201720057770.9 is new Type portable electrostatic device for spinning includes host and pistol, and the host includes host housing, is provided in host housing Power supply, gas generator and high voltage power supply mechanism, the pistol include gun body shell, spinning head and provide for spinning head The liquid supplying device of spinning precursor liquid is provided with air inlet and air outlet, the air inlet connection gas hair on the gun body shell The gas-guide tube of life structure, the spinning head stretch out gun body shell, the injection tip of spinning head and the center of gas outlet from gas outlet Axis coincides;Power electric connection high voltage power supply mechanism, gas generator and liquid supplying device, the electricity of high voltage power supply mechanism The anode of pressure output end connects spinning head by conducting wire;And a kind of portable hand disclosed in Chinese patent 201210229010.3 Holding electrostatic spinning apparatus includes metal foil, crimping switch, injector for medical purpose, rectangular cell, high-voltage d. c inverse transform device, high voltage direct current Inverter cathode, spinning solution, high-voltage d. c inverse transform device anode and stainless steel syringe needle;The push rod top of injector for medical purpose is formed with pressure Switch is connect, fixation is formed with metal foil on the face at the top of flat crimping switch, is equipped with spinning in the front end inner cavity of injector for medical purpose Silk solution, dock fixation is formed with rectangular cell and high-voltage d. c inverse transform device on the side wall of injector for medical purpose, injector for medical purpose Plug-in type is formed with the stainless steel syringe needle for spinneret on bottom end, stainless steel syringe needle using conventional medical injecting head structure and with Injector for medical purpose combination accessory;It is formed in the injector for medical purpose inner cavity of stainless steel syringe needle and stores spinning solution;Rectangular cell is height Direct-flow inverter is pressed to provide power supply, voltage reaches number KV level after DC voltage inversion, and crimping switch is for controlling opening for power supply It closes, switch connection when by external light pressure, pressure is switched after disappearing and disconnected;High-voltage d. c inverse transform device anode and stainless steel Syringe needle is electrically connected, and high-voltage d. c inverse transform device cathode is electrically connected with metal foil;The miniature portable of electrospinning device is realized, but It is all to be improved just for solution electrostatic spinning technique, does not can be carried out melt electrostatic spinning;Chinese patent A kind of hand-held melt electrostatic spinning preparation facilities disclosed in 201810216431.X includes safety guard, end cap, fastening screw, outer It is shell, support plate, roller, heat-preservation cotton, partition, heating chamber enclosure, fan, resistance heating wire, venthole, snorkel, idler wheel, miniature HV generator, threading hole, electrode contact, feed pipe, syringe needle, gas vent and metal gasket etc., shell upper place rolling Cylinder, silk are wrapped on roller;Fan, heating chamber enclosure, partition and resistance heating wire coaxially arranged composition heating from right to left Chamber, snorkel one end connect heating chamber, and one end connects the cavity between metal gasket and end cap, and the additional heat-preservation cotton of snorkel every Heat heat preservation, snorkel have more and are evenly distributed;Two are driven by motor the adjustable idler wheel reverse motions of revolving speed and constitute idler wheel Right, pair of rollers slit centers line and feed pipe are coaxially arranged, and feed pipe is located at the left side of pair of rollers, and silk passes through shell and heat preservation Cotton is conveyed into feed pipe via pair of rollers, and feed pipe is threadedly coupled with syringe needle, and the internal diameter of the feed pipe is slightly larger than silk diameter; Snorkel and feed pipe carry out circumferential direction by support plate and fix, and the stepped hole of outer casing bottom and partition is to its axial restraint;Safety guard It is mounted at end cap, has hole at end cap central, high-pressure mini electrostatic generator is by electrode contact, end cap, metal gasket and leads Line is connect with syringe needle, and syringe needle is made to carry high-pressure electrostatic, forms electric field inside safety guard with the receiver sheet of ground connection, the end cap, Metal gasket is connect with shell by fastening screw;End cap, metal gasket and syringe needle be conductive heat conducting material, shell, expects pipe and Ventilation tube material is insulating materials;It carries out heating melting spinning to polymer silk using high temperature and high pressure gas, but it makes It uses single needle as spinning nozzle, can only once go out a silk, efficiency is lower;One kind disclosed in Chinese patent 201410510110.2 Packaged type air pressure gun melt heating electrostatic spinning apparatus, it is characterised in that main structure includes thermoregulator, air pressure gun handle, goes out Air port, heat release hole, haul cylinder, insulating cylinder, annular pallet, metal mesh, taper spinning head, collector, high voltage power supply and heat gun; The side connection of heat gun is formed with air pressure gun handle, and the upper end of heat gun is equipped with thermoregulator, by rotating thermoregulator tune Save spinning temperature;The lower end of heat gun is equipped with air outlet, and air outlet lower end is fixedly connected with insulating cylinder;The upper end of insulating cylinder is arranged There is equally distributed heat release hole;Haul cylinder protrudes into the inner cavity of insulating cylinder, and the bottom of haul cylinder is contacted with metal mesh, and raw material passes through Haul cylinder is evenly distributed on metal mesh;The embedded bottom end for lying in a horizontal plane in insulating cylinder of annular pallet;Metal mesh is horizontal positioned On taper spinning head in the cylinder of part;Diameter is that 0.8~1.5 millimeter of taper spinning head is fixedly mounted on annular pallet It is interior, and contacted with annular pallet;Collector is placed on the underface of taper spinning head;Anode and the taper spinning head of high voltage power supply Electrical connection, cathode are connected with collector;Its collector is placed in immediately below taper spinning head, and Mobile hot air rifle realizes mobile spinning, But it can only realize the vertical direction spinning of melt, and can only spin fiber on collector, and it is in office to cannot achieve fiber The deposition of expectation face any direction.In order to overcome the problems, such as that the above patented product exists, a kind of portable solution of R & D design is quiet Electric spinning device.
Summary of the invention:
The purpose of the utility model is to overcome defects of the existing technology, research and develop a kind of Portable melt Device is realized and continuously prepares superfine fibre in real time with mass arbitrary surfaces any direction is spray deposited, extends electrostatic spinning The application direction of the micro-nano fiber of preparation.
To achieve the goals above, the utility model relates to Portable melt apparatus main body structure by spinneret Partially, handle portion, primary cable and high-voltage conducting wires composition;The main structure of spinneret part includes sleeve, jackscrew, spinning spray Head, heating rod, guide post, metallic channel, interior insulation blocking sleeve, outer insulation blocking sleeve and high-field electrode;The sleeve of tubular structure passes through The jackscrew of three equidistant formula settings is connect with spinning nozzle, and one of jackscrew is hollow structure, and the center of spinning nozzle is set It is equipped with the heating rod of cylindrical structure, the rear end of spinning nozzle and heating rod is connect with the guide post that sleeve inner is arranged in, sleeve Outer surface lower part offer metallic channel, the periphery of sleeve is arranged with the interior insulation blocking sleeve of tubular structure, interior insulation blocking sleeve Periphery be arranged with outer insulation blocking sleeve, the high pressure of cirque structure is provided between interior insulation blocking sleeve and outer insulation blocking sleeve Electrode;The main structure of handle portion includes shell, power module, power supply line, high-pressure electrostatic module, motor, flabellum, air inlet Hole, heater strip, regulating switch, rolling wheel support, upper roller and bottom roller;The inner bottom of the shell of hollow type structure is provided with electricity Source module, one end of power module are connect with the power supply line for stretching out shell, and the other end of power module and setting are inside the housing The connection of high-pressure electrostatic module, high-pressure electrostatic module is connected to motor, and motor is connect with flabellum, and the side wall of shell opens up at motor There is air inlet, is provided with the heater strip of array arrangement in shell above flabellum, the side wall of shell is provided with adjusting at heater strip The upper outside of switch, shell is connect with upper roller and bottom roller respectively by rolling wheel support;Sleeve and interior insulation blocking sleeve The inner wall that rear end protrudes into shell respectively with shell is connect, and the rear end of outer insulation blocking sleeve and the outer wall of shell connect, sleeve Cylindrical end and spinning nozzle and the cylindrical end of guide post between gap be No.1 annular chamber, guarantor is isolated with outer in interior insulation blocking sleeve Gap between sheath is No. two annular chambers, and the gap between interior insulation blocking sleeve and high-field electrode is No. three annular chambers, it is interior every It is No. four annular chambers from the gap between protective case and shell, the gap between the tapered end of sleeve and the tapered end of spinning nozzle For conical cavity, primary cable is drawn from power module, is connect after metallic channel and hollow jackscrew with heating rod, high-voltage conducting wires It draws from high-pressure electrostatic module, is connect after passing through No. two annular chambers with high-field electrode.
The utility model is convenient for storage, carrying and the tubulose charge bar installed compared with prior art, using what is prepared in advance As spinning material, its end is set nearby to become melt using Electric heating, the spinning nozzle tip of conical structure can Tens of jet streams are generated simultaneously, realize the real-time mass preparation of superfine fibre, power module, high-pressure electrostatic module, motor, fan In handle portion, the integrated design of high-field electrode and spinning nozzle applies voltage from routine for leaf and heater strip integrated installation 50-80kV is reduced within 10kV, is reduced the volume of high-pressure electrostatic module, is improved safety coefficient, is advantageously implemented portable Change purpose of design, meanwhile, the limitation that conventional electrostatic spinning reception device connects electricity is relieved, can be realized arbitrarily square in arbitrary surfaces To real-time superfine fibre mass spraying, deposition and preparation, extend the application direction that electrostatic spinning prepares micro-nano fiber;Its Structure is simple, easy to operate, compact, securely and reliably, easy to carry and hand-held, and integration degree and spinning efficiency are high, adds Thermal velocity and wire vent speed are fast, and temperature control is accurate, are conducive to the refinement of fiber.
Detailed description of the invention:
Fig. 1 is the main structure schematic illustration of the utility model.
Fig. 2 be the utility model relates to tubulose charge bar main structure schematic illustration.
Fig. 3 be the utility model relates to tubulose charge bar and upper roller and bottom roller connection schematic diagram.
Specific embodiment:
It is described in further detail with reference to the accompanying drawing and by embodiment to the utility model.
Embodiment 1:
The main structure for the Portable melt device that the present embodiment is related to by spinneret part 1, handle portion 3, Primary cable 5 and high-voltage conducting wires 7 form;The main structure of spinneret part 1 includes sleeve 10, jackscrew 11, spinning nozzle 12, heating Stick 13, guide post 14, metallic channel 15, interior insulation blocking sleeve 16, outer insulation blocking sleeve 17 and high-field electrode 18;The sleeve of tubular structure 10 are connect by the jackscrew 11 of three equidistant formula settings with spinning nozzle 12, and one of jackscrew 11 is hollow structure, spinning The rear end of the heating rod 13 for being provided centrally with cylindrical structure of spray head 12, spinning nozzle 12 and heating rod 13 and setting are in sleeve Guide post 14 inside 10 connects, and the outer surface lower part of sleeve 10 offers metallic channel 15, and the periphery of sleeve 10 is arranged with tubulose knot The interior insulation blocking sleeve 16 of structure, the periphery of interior insulation blocking sleeve 16 are arranged with outer insulation blocking sleeve 17, interior insulation blocking sleeve 16 with The high-field electrode 18 of cirque structure is provided between outer insulation blocking sleeve 17;The main structure of handle portion 3 include shell 30, Power module 31, power supply line 32, high-pressure electrostatic module 33, motor 34, flabellum 35, air inlet 36, heater strip 37, regulating switch 38, rolling wheel support 39, upper roller 40 and bottom roller 41;The inner bottom of the shell 30 of hollow type structure is provided with power module 31, one end of power module 31 is connect with the power supply line 32 for stretching out shell 30, and the other end of power module 31 and setting are in shell High-pressure electrostatic module 33 inside 30 connects, and high-pressure electrostatic module 33 is connect with motor 34, and motor 34 is connect with flabellum 35, motor The side wall of shell 30 offers air inlet 36 at 34, and the top of flabellum 35 is provided with the heater strip 37 of array arrangement in shell 30, The side wall of shell 30 is provided with regulating switch 38 at heater strip 37, the upper outside of shell 30 by rolling wheel support 39 respectively with it is upper Idler wheel 40 and bottom roller 41 connect;The rear end of sleeve 10 and interior insulation blocking sleeve 16 protrude into shell 30 respectively with shell 30 Inner wall connection, the rear end of outer insulation blocking sleeve 17 connect with the outer wall of shell 30, the cylindrical end of sleeve 10 and spinning nozzle 12 and Gap between the cylindrical end of guide post 14 is No.1 annular chamber 21, the sky between interior insulation blocking sleeve 16 and outer insulation blocking sleeve 17 Gap is No. two annular chambers 22, and the gap between interior insulation blocking sleeve 16 and high-field electrode 18 is No. three annular chambers 23, and interior isolation is protected Gap between sheath 16 and shell 30 is No. four annular chambers 24, between the tapered end of sleeve 10 and the tapered end of spinning nozzle 12 Gap be conical cavity 25, primary cable 5 from power module 31 draw, after metallic channel 15 and hollow jackscrew 11 with heating Stick 13 connects, and high-voltage conducting wires 7 are drawn from high-pressure electrostatic module 33, connect after passing through No. two annular chambers 22 with high-field electrode 18.
The rear end for the sleeve 10 that the present embodiment is related to is cylinder, and front end is inner conical (Zuo Weihou, before the right side is);Spinning The front end of spray head 12 is outer circle taper, and rear end is cylinder, and the front end of guide post 14 is cylinder, and rear end is cone, spinning spray The diameter of first 12 cylindrical end is identical as the diameter of 14 cylindrical end of guide post, and guide post 14 provides guiding role for tubulose charge bar;Metallic channel 15 for accommodating and fixing primary cable 5;The internal diameter of interior insulation blocking sleeve 16 is identical as the outer diameter of sleeve 10, interior insulation blocking sleeve 16 have heat-insulated and insulating effect, being capable of protection staff and equipment safety;The front end of outer insulation blocking sleeve 17 sets for circular arc chamfering The front end 2-20mm for counting and stretching out spinning nozzle 12 has the function of isolation electrostatic, being capable of protection staff safety;High-field electrode 18 Outer diameter it is identical as the internal diameter of outer insulation blocking sleeve 17;Guide post 14, interior insulation blocking sleeve 16 and outer insulation blocking sleeve 17 be every Heat insulator, including ceramics, polytetrafluoroethylene (PTFE) and polyether-ether-ketone;Power module 31 carries out AC-DC conversion and decompression to alternating current Processing;Power supply line 32 can be connect with alternating current or lithium battery;Motor 34 is high-speed motor;Air inlet 36 is that air enters shell 30 Channel;Heater strip 37 is thermal resistance heater strip;Regulating switch 38 can adjust the flow velocity and temperature of air-flow, and electrostatic potential adds The temperature of heated filament 37 and the revolving speed of upper roller 40 and bottom roller 41;Upper roller 40 and bottom roller 41 are concave wheel, 40 He of upper roller Bottom roller 41 is driven by external motor, and the conducting wire of external motor is connect with primary cable 5.
The Portable melt device that the present embodiment is related to is in use, power supply line 32 is electrically connected with city, motor 34 drive 35 high speed rotations of flabellum, generate upward air-flow, and air-flow becomes thermal current after the heating of heater strip 37, according to setting Fixed spinning parameter adjusts by regulating switch 38 and controls the temperature and speed of thermal current, and thermal current is via No. four annular chambers 24 sequentially enter and are distributed in a ring in No. two annular chambers 22 and No. three annular chambers 23, finally spray from the front end of spinning nozzle 12; Meanwhile upper roller 40 and lower rolling will be sent by polymer raw material extrusion or injection molding tubulose charge bar convenient for what is stored and carry Between the concave surface of wheel 41, the outer diameter of tubulose charge bar is identical as the internal diameter of 10 cylindrical end of sleeve, and tubulose charge bar is by upper roller 40 under The concave surface of idler wheel 41 clamps and is admitted to sleeve 10, adjusts the revolving speed of upper roller 40 and bottom roller 41 by regulating switch 38 to adjust Section tubulose charge bar enters the speed of sleeve 10, and tubular rods expect that the guiding role for being in guide post 14 up to guide post 14 enters No.1 ring Shape chamber 21, before this, heating rod 13 have been powered and have heated spinning nozzle 12, reach the tubulose charge bar at spinning nozzle 12 and are added Heat fusing is at melt, and melt enters conical cavity 25 in the case where the advance of rear end tubulose bar pushes, finally in the cone of spinning nozzle 12 Face tip forms annular and is uniformly distributed, since the partiting thermal insulation of guide post 14 acts on, portion of the tubulose charge bar in 12 rear end of spinning nozzle Dividing will not be heated, and be still within solid-state;Band high-pressure electrostatic under the action of high-pressure electrostatic module 33 of high-field electrode 18, passes through tune The numerical value that switch 38 adjusts electrostatic potential to setting is saved, forms high voltage electric field, spinning between high-field electrode 18 and spinning nozzle 12 Melt at the conical surface tip of spray head 12 forms dozens of under high voltage electric field effect and is uniformly distributed jet stream, the hot gas of annular spread Stream drives jet stream to spray forward, and the strong whip of fluidic vectoring thrust is made to move effect, and jet stream is moved in whip and is further stretched under stretching action Superfine fibre is formed, realizes the mass preparation of superfine fibre, it is arbitrarily square that rotational handle part 3 can be realized arbitrary objects surface To superfine fibre spraying and deposition.

Claims (1)

1. a kind of Portable melt device, it is characterised in that main structure is led by spinneret part, handle portion, low pressure Line and high-voltage conducting wires composition;The main structure of spinneret part include sleeve, jackscrew, spinning nozzle, heating rod, guide post, metallic channel, Interior insulation blocking sleeve, outer insulation blocking sleeve and high-field electrode;The jackscrew that the sleeve of tubular structure passes through three equidistant formula settings Connect with spinning nozzle, one of jackscrew be hollow structure, the heating rod for being provided centrally with cylindrical structure of spinning nozzle, The rear end of spinning nozzle and heating rod is connect with the guide post that sleeve inner is arranged in, and the outer surface lower part of sleeve offers conducting wire Slot, the periphery of sleeve are arranged with the interior insulation blocking sleeve of tubular structure, and the periphery of interior insulation blocking sleeve is arranged with outer insulation blocking Set, is provided with the high-field electrode of cirque structure between interior insulation blocking sleeve and outer insulation blocking sleeve;The main body knot of handle portion Structure includes shell, power module, power supply line, high-pressure electrostatic module, motor, flabellum, air inlet, heater strip, regulating switch, idler wheel Bracket, upper roller and bottom roller;The inner bottom of the shell of hollow type structure is provided with power module, one end of power module with The power supply line connection of shell is stretched out, the other end of power module is connect with the high-pressure electrostatic module of setting inside the housing, high pressure Electrostatic module is connected to motor, and motor is connect with flabellum, and the side wall of shell offers air inlet at motor, and flabellum is upper in shell Side is provided with the heater strip of array arrangement, and the side wall of shell is provided with regulating switch at heater strip, and the upper outside of shell passes through Rolling wheel support is connect with upper roller and bottom roller respectively;The rear end of sleeve and interior insulation blocking sleeve is protruded into shell respectively and outside The inner wall of shell connects, and the rear end of outer insulation blocking sleeve and the outer wall of shell connect, the cylindrical end and spinning nozzle and guide post of sleeve Cylindrical end between gap be No.1 annular chamber, gap between interior insulation blocking sleeve and outer insulation blocking sleeve is No. two annulars Chamber, the gap between interior insulation blocking sleeve and high-field electrode are No. three annular chambers, the gap between interior insulation blocking sleeve and shell For No. four annular chambers, the gap between the tapered end of sleeve and the tapered end of spinning nozzle is conical cavity, and primary cable is from power supply Module is drawn, and is connect after metallic channel and hollow jackscrew with heating rod, and high-voltage conducting wires are drawn from high-pressure electrostatic module, is passed through It is connect after No. two annular chambers with high-field electrode.
CN201920295053.9U 2019-03-08 2019-03-08 A kind of Portable melt device Active CN209584429U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109763177A (en) * 2019-03-08 2019-05-17 青岛科技大学 A kind of Portable melt device
CN112481717A (en) * 2020-11-24 2021-03-12 浙江德清蓝雅晶体纤维有限公司 Ceramic fiber production and processing thread throwing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109763177A (en) * 2019-03-08 2019-05-17 青岛科技大学 A kind of Portable melt device
CN109763177B (en) * 2019-03-08 2024-02-27 青岛科技大学 Portable melt electrostatic spinning device
CN112481717A (en) * 2020-11-24 2021-03-12 浙江德清蓝雅晶体纤维有限公司 Ceramic fiber production and processing thread throwing device

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