CN208071855U - A kind of hand-held melt electrostatic spinning preparation facilities - Google Patents
A kind of hand-held melt electrostatic spinning preparation facilities Download PDFInfo
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- CN208071855U CN208071855U CN201820356987.4U CN201820356987U CN208071855U CN 208071855 U CN208071855 U CN 208071855U CN 201820356987 U CN201820356987 U CN 201820356987U CN 208071855 U CN208071855 U CN 208071855U
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- end cap
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- preparation facilities
- syringe needle
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Abstract
The utility model discloses a kind of hand-held melt electrostatic spinning preparation facilities, include mainly safety guard, end cap, trip bolt, shell, support plate, roller, heat-preservation cotton, isolation board, fan, resistance heating wire, venthole, snorkel, idler wheel, high-pressure mini electrostatic generator, threading hole, electrode contact, feed pipe, syringe needle, gas vent, metal gasket, ventilation pore, feeding pore, bellmouth etc..The present apparatus utilizes silk continuous feed, is heated and is melted to material by the air heat transfer of resistance heating wire's heating；Syringe needle connects and forms electric field between high pressure and the receiver board of ground connection；The hot-air finished that conducts heat is discharged between syringe needle and the slit of end cap bellmouth, and succeeding stretch is carried out to fiber.The present apparatus simplifies melt electrostatic spinning preparation facilities, makes its miniaturization, lightweight, portability, fiber prepare it is more convenient, can be used in laboratory applications, household, clinical medical and as demonstration teaching aid in terms of small lot fiber prepare.
Description
Technical field
The utility model is related to a kind of melt electrostatic spinning preparation facilities of hand-held, belong to electrostatic spinning field.
Background technology
Method of electrostatic spinning is acknowledged as preparing the method that micro nanometer fiber is most simple and efficient at present, compared with other methods
Method of electrostatic spinning have raw material sources are extensive, cost of spinning is cheap, can the advantages such as prepare with scale, in micro-nano filtering, lithium battery
The fields such as diaphragm, biological medicine show great application potential, thus cause the extensive concern of researcher.
Existing research and commercial application produce a large amount of innovations around electrostatic spinning mass device, but portable
Formula, small size it is easy-operating it is miniature, small-sized electrostatic spinning apparatus is less.However this kind of midget plant laboratory applications, household,
Clinical medical and as having great potential in terms of demonstration teaching aid.Chinese patent (201720057770.9) one kind is novel just
Formula electrostatic spinning apparatus is taken, although having carried out portability improvement to electrostatic spinning apparatus, which can only realize solution electrostatic
Spin processes, and macromolecule melt cannot achieve.Macromolecule melt heats and keeps hot operation due to needing, it is meant that needs
Complicated heating system, raw material feed system, heat-insulated and insulation system etc. are wanted, prodigious challenge is proposed to portability design.
Therefore, seek a kind of portable, easy-operating small-sized melt electrostatic spinning preparation facilities of small size of design to have a wide range of applications
Foreground and researching value.
In view of the above problems, the utility model proposes a kind of hand-held melt electrostatic spinning preparation facilities, high temperature height is utilized
Body of calming the anger carries out heating melting to material and pair of rollers continuous conveying silk and melts and convey material instead of screw extruder
Traditional approach, and simplify collection device, so that melt electrostatic spinning device miniaturization, lightweight, portability, fiber is prepared more
It is convenient and efficient, can be used in laboratory applications, household, clinical medical and as demonstration teaching aid in terms of small lot fiber system
It is standby.
Utility model content
The utility model proposes a kind of hand-held melt electrostatic spinning preparation facilities, using high temperature and high pressure gas to material into
Row heating melting and pair of rollers continuous conveying silk melt and convey the traditional approach of material instead of screw extruder, into one
Step makes jet stream refine using the gas that finishes of heat transfer, and simplifies collection device, makes melt electrostatic spinning device miniaturization, light
Quantization, portability so that micro nanometer fiber can be prepared continuously.Realize the portable of melt electrostatic spinning nano fiber preparation facilities
Change, meets thermoplastic material and spin i.e. use, advantageously promote the application and development of nanofiber.
Realizing the technical solution of above-mentioned purpose is：A kind of hand-held melt electrostatic spinning preparation facilities, main includes safety
Cover, end cap, trip bolt, shell, support plate, roller, heat-preservation cotton, partition board, heating chamber enclosure, fan, resistance heating wire, ventilation
Hole, snorkel, idler wheel, high-pressure mini electrostatic generator, threading hole, electrode contact, feed pipe, syringe needle, gas vent, metal gasket
Piece, bellmouth etc..Shell upper places roller, and silk is wrapped on roller；Fan, heating chamber enclosure, partition board and resistance heating
Coaxially arranged composition heating chamber, snorkel one end connect heating chamber to silk from right to left, and one end connects between metal gasket and end cap
Cavity, and the additional heat-preservation cotton heat-insulation and heat-preservation of snorkel, snorkel have more and are evenly distributed；Two drive rotating speed by motor
Adjustable idler wheel reverse motions constitute pair of rollers, and pair of rollers slit centers line and feed pipe are coaxially arranged, and feed pipe is located at idler wheel
To left side, and at a distance of 1-3cm, silk passes through shell and heat-preservation cotton to be conveyed into feed pipe, feed pipe and syringe needle via pair of rollers
It is threadedly coupled, 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, outside
The stepped hole of shell bottom and partition board is to its axial restraint；Safety guard is mounted at end cap, has hole, high-pressure mini quiet at end cap central
Electric generator is connect by electrode contact, end cap, metal gasket and conducting wire with syringe needle, so that syringe needle is carried high-pressure electrostatic, with ground connection
Receiver sheet electric field is formed inside safety guard, the end cap, metal gasket and shell are connected by trip bolt.
A kind of hand-held melt electrostatic spinning preparation facilities of the utility model, is squeezed and continuous by pair of rollers reverse motions
Silk is conveyed, the rotating speed of idler wheel is adjustable, to meet the control of different feeds amount；And air-flow is driven using fan, make most of air-flow
Into heating chamber, resistance heating wire is flowed through so that gas temperature reaches requirement, and temperature-controllable, to meet the molten of different material
Melt requirement, and continuous-stable supply is transported in the cavity between end cap and metal gasket and syringe needle heat transfer makes syringe needle and feeding
The material melts of pipe junction melt and are conveyed instead of screw extruder the traditional approach of material, effectively reduce device
Volume and weight, ensure that the portability of device.
A kind of hand-held melt electrostatic spinning preparation facilities of the utility model, the hot-air finished that conducts heat pass through end cap bottom
Bellmouth and syringe needle slit in be discharged, and the bellmouth of end cap bottom contributes to air-flow consistent with machine direction, bellmouth
The area of gas outlet is more than 1/2 to less than 1, or add auxiliary to arrange in end cap bottom with ventilation hole area and than being (1/2,1)
Its area of stomata and plus taper hole area with ventilation hole area and than be 1/2-1, that is, be more than 1/2 to less than 1, bellmouth outlet
Mouthful air-flow to silk have drawing-off effect simultaneously avoid air-flow from being detained, be conducive to fiber it is regular collect and fibre diameter it is further
Refinement.
A kind of hand-held melt electrostatic spinning preparation facilities of the utility model, there are 5- between heating chamber enclosure and shell
The spaces 20mm make the cold air for not entering heating chamber cool down crust of the device, avoid the excessively high scald operating personnel of skin temperature, carry
High security.
A kind of hand-held melt electrostatic spinning preparation facilities of the utility model, wherein end cap, metal gasket and syringe needle are to lead
Conductance hot material, shell, expects pipe and snorkel the material requirements indeformable insulating materials under up to 350 DEG C of high temperature, specifically may be used
To be glass tube, ceramic tube or polyether-ether-ketone etc..
A kind of hand-held melt electrostatic spinning preparation facilities of the utility model, there are one dismountable peaces for installation at end cap
Full cover, the circumferentially uniformly distributed oblique stomata of safety guard, the exchange for the hot-air that cool exterior air and hand-held device spray so that heat
Air-flow reaches the state of cooling before reaching fiber receiving plane, avoids the scald of receiving plane, and gas will not be because can not
Discharge forms eddy flow in safety guard, influences the regular collection of fiber.
A kind of hand-held melt electrostatic spinning preparation facilities of the utility model, the present apparatus are occurred using high-pressure mini electrostatic
Device, or electrostatic generator is external, and all electric energy are all powered by external power supply or fixed socket, and volume and weight is reduced,
Improve portability.
A kind of hand-held melt electrostatic spinning preparation facilities of the utility model, is fed, silk is wrapped in roller using silk
On, it is continuously introduced into feed pipe by motor-driven idler wheel；Gas is entered by fan in device, is taken offence using fan band
Stream, a small amount of gas are flowed into the gap of partition board and shell, are discharged from venthole, remaining most of gas drives air-flow by fan
It is blown into heating chamber, by resistance heating wire, the sky between end cap and metal gasket is transported to via the supply of snorkel continuous-stable
In chamber, conducts heat with needle contact, make the material melts of syringe needle and feed pipe junction, the gas finished that conducts heat is with certain pressure
Spray the slit between end cap bellmouth and syringe needle；Syringe needle carries high-pressure electrostatic, with the receiving device of ground connection in safety guard shape
At electric field, under the action of electric field force and under the double action of air-flow, fiber is stretched refinement, by regular receipts on collecting board
Collection.
Compared with prior art, advantage has the utility model：
1. utility model device simplifies melt electrostatic nanofiber preparation process and device, high temperature and high pressure gas is utilized
Heating melting is carried out to material, further using the gas that finishes of heat transfer jet stream is refined, make device miniaturization, lightweight,
Portability, meets the instant spinning of thermoplastic material, and the method for preparing fiber is more quick.
2. utility model device hot air temperature is adjustable, the motor speed of driving idler wheel is adjustable, different material can be met
Melting requirement, match different charging rates, the present apparatus made to be more widely applied.
3. installing a dismountable safety guard at utility model device end cap, and circumferentially uniformly it is vented on safety guard
Hole facilitates gas to be discharged, and improves safety, is conducive to the regular collection of fiber.
Description of the drawings
Fig. 1 is a kind of hand-held melt electrostatic spinning preparation facilities structural schematic diagram of the utility model.
Fig. 2 is that the melting discharging portion of structure shown in Fig. 1 rotates enlarged drawing.
Fig. 3 is A-A enlarged sections of structure shown in Fig. 1.
In figure：1- safety guards；2- end caps；3- trip bolts；4- shells；5- support plates；6- rollers；7- heat-preservation cottons；8- every
Plate；9- heats chamber enclosure；10- fans；11- resistance heating wires；12- ventholes；13- snorkels；14- idler wheels；The miniature height of 15-
Press electrostatic generator；16- threading holes；17- electrode contacts；18- feed pipes；19- syringe needles；20- gas vents；21- metal gaskets；
22- bellmouths.
Specific implementation mode
A kind of hand-held melt electrostatic spinning preparation facilities of the utility model, as shown in Figure 1, it includes mainly：Safety guard
1, end cap 2, trip bolt 3, shell 4, support plate 5, roller 6, heat-preservation cotton 7, partition board 8, heating chamber enclosure 9, fan 10, resistance adds
Heated filament 11, venthole 12, snorkel 13, idler wheel 14, high-pressure mini electrostatic generator 15, threading hole 16, electrode contact 17, feeding
Pipe 18, syringe needle 19, gas vent 20 and metal gasket 21.The present apparatus is fed using silk, and silk is wrapped on roller 6, two rollings
14 composition pair of rollers of wheel squeezes silk and is continuously introduced into feed pipe 18, and wherein idler wheel 14 connects motor, and motor speed can
It adjusts, as shown in Figure 3；The internal diameter of feed pipe 18 is slightly larger than silk diameter, avoids the occurrence of silk and is bent discounting in feed pipe 18 now
As；Gas is brought by fan 10 in device, drives air-flow, a small amount of gas to flow into heating chamber shell 9 and shell 4 using fan 10
It in gap, is discharged from venthole 12, so that device is accelerated cooling, avoid skin temperature excessively high；Remaining most of gas is by fan
10 drive air-flows are blown into heating chamber, by resistance heating wire 11 so that gas temperature reaches requirement, continuous steady via snorkel 13
Fixed supply is transported in the cavity between end cap 2 and metal gasket 21, and 13 additional heat-preservation cotton of snorkel, 7 heat-insulation and heat-preservation, is reduced
Thermal loss makes hot-air come into full contact with heat transfer with syringe needle 19, and feed pipe 18 and the silk of 19 junction of syringe needle is made to melt, wherein
Feed pipe 18 is threadedly coupled with syringe needle 19；Snorkel 13 and feed pipe 18 carry out circumferential fixation by support plate 5,4 bottom of shell and
The stepped hole of partition board 8 is to its axial restraint；High-pressure mini electrostatic generator 15 by electrode contact 17, metal material end cap 2,
Metal gasket 21 and conducting wire are connect with syringe needle 19, so that syringe needle 19 is carried high-pressure electrostatic, the receiving device with ground connection is in safety guard 1
Interior formation electric field, using electric field force slenderizing fiber, wherein end cap 2, metal gasket 21 is connected with shell 4 by trip bolt 3
It connects.
A kind of hand-held melt electrostatic spinning preparation facilities of the utility model, the hot-air finished that conducts heat pass through 2 bottom of end cap
The bellmouth 22 in portion is discharged with the slit of syringe needle 19, and the bellmouth 22 of 2 bottom of end cap, as shown in Fig. 2, contribute to air-flow with
Machine direction is consistent, is conducive to the further refinement of fibre diameter.
A kind of hand-held melt electrostatic spinning preparation facilities of the utility model, the dismountable safety of installation one at end cap 2
Cover 1 as shown in figure 3, snorkel 13 is uniformly distributed and reserves installation space to feed pipe 18, and is circumferentially evenly distributed with gas vent on safety guard
20, facilitate gas to be discharged, improves safety, be conducive to the regular collection of fiber.
A kind of application method of hand-held melt electrostatic spinning preparation facilities of the utility model, setting air heating temperature are
300 DEG C, silk material is PLA, and idler wheel linear velocity is 5mm/min, external receiving plane ground connection and with syringe needle 6cm.First open fan
Preheating five minutes is carried out with resistance heating wire, then opens idler wheel motor, ensures that device is in and is persistently fed state.Expect silk heating
After fused materials, high-pressure mini electrostatic generator is opened, form jet stream under the action of high-voltage electrostatic field, at syringe needle and is stretched
Refinement forms superfine fibre, and regular collection can be carried out on receiver board.
Claims (6)
1. a kind of hand-held melt electrostatic spinning preparation facilities, it is characterised in that：Mainly include safety guard, end cap, trip bolt,
It is shell, support plate, roller, heat-preservation cotton, partition board, heating chamber enclosure, fan, resistance heating wire, venthole, snorkel, idler wheel, micro-
Type HV generator, threading hole, electrode contact, feed pipe, syringe needle, gas vent and metal gasket etc., shell upper are placed
Roller, silk are wrapped on roller；Coaxially arranged constitute adds from right to left by fan, heating chamber enclosure, partition board and resistance heating wire
Hot 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
Heat-insulation and heat-preservation, snorkel have more and are evenly distributed；Two constitute rolling by the motor driving adjustable idler wheel reverse motions of rotating speed
Wheel pair, 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 guarantor
Warm 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 straight 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 board is to its axial restraint；Safety
Cover is mounted at end cap, there is hole at end cap central, high-pressure mini electrostatic generator by electrode contact, end cap, metal gasket and
Conducting wire is connect with syringe needle, so that syringe needle is carried high-pressure electrostatic, electric field, the end are formed inside safety guard with the receiver sheet of ground connection
Lid, metal gasket and shell are connected by trip bolt；End cap, metal gasket and syringe needle are conductive heat conducting material, shell, expects pipe
It is insulating materials with ventilation tube material.
2. a kind of hand-held melt electrostatic spinning preparation facilities according to claim 1, it is characterised in that：End cap bottom
Hole is bellmouth, and the area of bellmouth gas outlet is with ventilation hole area and than being more than 1/2 to less than 1.
3. a kind of hand-held melt electrostatic spinning preparation facilities according to claim 1, it is characterised in that：End cap bottom
Hole is bellmouth, adds its area of auxiliary exhaust ports and plus taper hole area with ventilation hole area and than being more than 1/ in end cap bottom
2 to less than 1.
4. a kind of hand-held melt electrostatic spinning preparation facilities according to claim 1, it is characterised in that：Heat chamber enclosure
There are the spaces 5-20mm between shell.
5. a kind of hand-held melt electrostatic spinning preparation facilities according to claim 1, it is characterised in that：Shell, expects pipe
It is glass tube, ceramic tube or polyether-ether-ketone with ventilation tube material.
6. a kind of hand-held melt electrostatic spinning preparation facilities according to claim 1, it is characterised in that：Safety guard is circumferential
Uniformly distributed oblique stomata.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820356987.4U CN208071855U (en) | 2018-03-16 | 2018-03-16 | A kind of hand-held melt electrostatic spinning preparation facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820356987.4U CN208071855U (en) | 2018-03-16 | 2018-03-16 | A kind of hand-held melt electrostatic spinning preparation facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208071855U true CN208071855U (en) | 2018-11-09 |
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ID=64047070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820356987.4U Active CN208071855U (en) | 2018-03-16 | 2018-03-16 | A kind of hand-held melt electrostatic spinning preparation facilities |
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| Country | Link |
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| CN (1) | CN208071855U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108251897A (en) * | 2018-03-16 | 2018-07-06 | 北京化工大学 | A kind of hand-held melt electrostatic spinning preparation facilities and application method |
| CN109797444A (en) * | 2019-03-08 | 2019-05-24 | 青岛科技大学 | Portable melt device built in a kind of high-field electrode |
| CN115414182A (en) * | 2022-08-26 | 2022-12-02 | 上海大学 | Hand-held type normal position dressing preparation facilities based on inner space electric field |
-
2018
- 2018-03-16 CN CN201820356987.4U patent/CN208071855U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108251897A (en) * | 2018-03-16 | 2018-07-06 | 北京化工大学 | A kind of hand-held melt electrostatic spinning preparation facilities and application method |
| CN109797444A (en) * | 2019-03-08 | 2019-05-24 | 青岛科技大学 | Portable melt device built in a kind of high-field electrode |
| CN109797444B (en) * | 2019-03-08 | 2024-04-09 | 青岛科技大学 | High-voltage electrode built-in portable melt electrostatic spinning device |
| CN115414182A (en) * | 2022-08-26 | 2022-12-02 | 上海大学 | Hand-held type normal position dressing preparation facilities based on inner space electric field |
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