CN106521647A - Needle-slice-roller needle-free electrostatic spinning device - Google Patents
Needle-slice-roller needle-free electrostatic spinning device Download PDFInfo
- Publication number
- CN106521647A CN106521647A CN201611204230.5A CN201611204230A CN106521647A CN 106521647 A CN106521647 A CN 106521647A CN 201611204230 A CN201611204230 A CN 201611204230A CN 106521647 A CN106521647 A CN 106521647A
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- CN
- China
- Prior art keywords
- faller gill
- roll
- needle
- hairbrush
- electrostatic spinning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
Abstract
The invention discloses a needle-slice-roller needle-free electrostatic spinning device. The needle-slice-roller needle-free electrostatic spinning device mainly comprises a motor, a peristaltic pump, a hairbrush feeding system, a needle-slice-roller device, a liquid storage groove, an electrode plate, an air knife, a receiving roller, a transmission device, a receiving plate, a supporting frame and a high-voltage electrostatic generator. The hairbrush feeding system is composed of a flow dividing pipe and a hairbrush; a spinning solution enters the flow dividing pipe through the peristaltic pump to be evenly distributed on the hairbrush; the needle-slice-roller device is composed of a center shaft, needle slices, partition plates and locking nuts, and the tip ends of the needle slices are in close contact with the hairbrush. According to the needle-slice-roller needle-free electrostatic spinning device, needle tips of the needle slices are easy to excite to form continuous multiple electrification jet flows, and the spinning efficiency can be greatly improved; field intensity distribution of spinning electric fields is changed by adjusting the length of the needle slices, the needle density and the intervals of the needle slices, and therefore the final fiber diameter and morphology are controlled; even and in-time feeding can be achieved through the hairbrush feeding device, and by means of the air knife, fibers can be refined, and the motion direction of the fibers can be changed; a receiving mode is replaceable.
Description
Technical field
The present invention relates to a kind of faller gill roll-type needleless electrostatic spinning apparatus, belong to electrostatic spinning field.
Background technology
Electrostatic spinning technique is by making the macromolecule melt with electric charge or solution spray in high-voltage electrostatic field, drawing
Stretch, cleave, solidifying or solvent volatilization, ultimately forming the process of fibrous material, being a kind of simple efficient and economic system
The method of standby nanofiber.Conventional needle electrostatic spinning production efficiency is extremely low, and limiting Electrospun nano-fibers industrialization should
With；Increase syringe needle number and can improve electrostatic spinning yield, but the restriction of syringe needle spacing can cause equipment volume huge, Er Qiezhen
The electric jamming existed between head can affect the uniformity of fiber morphology；Spinning syringe needle is easily blocked, not easy cleaning.Therefore, based on certainly
Given birth to by the needleless electrostatic spinning technique application of surface self-organizing, with higher production efficiency, be that electrostatic spinning is industrialized
Study hotspot.In recent years, in succession it is proposed that spherical, taper, drum-type, disc type, spiral winding, helical blade, line style
The spinning nozzles such as formula.This kind of device is usually to rotarily drive spinning liquid using shower nozzle to be attached to nozzle surface formation Free Surface,
Under high voltage electrostatic field, spinning liquid Free Surface excites to form multiple taylor cones, ultimately forms Nanowire after stretching solidification
Dimension.The solution tank of this feed mode is generally open state, as solution evaporation can affect concentration of dope and fibre during spinning
The uniformity of dimension；And this kind of spinning head structural parameters not malleable, controlled range is less；Collection mode is single, integration of equipments
Change degree is not high.
The content of the invention
The present invention proposes a kind of faller gill roll-type needleless electrostatic spinning apparatus, using brush unit feed, using interchangeable
Used as jet ejectors, compare traditional one-jet has pin spinning to faller gill diaphragm structure, not only solves to yield poorly and easily blocks up with syringe needle
The problem of plug, while the uniform instant feed of spinning liquid can be realized.The apparatus structure is simple, controllability is strong, production efficiency is high,
It is suitable for the high-volume electrostatic spinning of solution.
The technical solution used in the present invention is a kind of faller gill roll-type needleless electrostatic spinning apparatus, mainly including motor, wriggling
Pump, hairbrush feeding system, faller gill multi-roll device, reservoir, battery lead plate, air knife, receiving roll, actuating device, receiver board, carriage
Frame and HV generator, hairbrush feeding system are made up of isocon and hairbrush, and spinning liquid enters isocon by peristaltic pump
After be evenly distributed on hairbrush；Faller gill multi-roll device is made up of central shaft, faller gill, dividing plate and locking nut, and locking nut is by pin
The alternate fixation of piece, dividing plate on center shaft, be made up of rustless steel anti-corrosion electric conducting metal by faller gill, and faller gill is circular thin slice, away from
Some taper needle points are processed from one segment distance of faller gill annulus external diameter, needle point is circumferentially distributed uniform；Central shaft is solid using bearing
Determine on the support frame, faller gill tip is in close contact with hairbrush；Reservoir is placed in support frame and is located at faller gill multi-roll device
Underface, on faller gill, the redundant solution of non-filamentation can flow into reservoir；Battery lead plate is placed in directly over faller gill multi-roll device, adjustable
Apart from 0-200mm；Air knife is fixed on battery lead plate right-hand member, upper and lower adjustable distance 0-200mm by screw rod, and air knife air outlet is higher than pin
The top at piece edge；Receiver board is placed in faller gill multi-roll device dead ahead, keeps receiving apart from 50-300mm；Receiving roll is placed in pin
45 ° of piece multi-roll device oblique upper, keeps receiving apart from 0-200mm；Motor is controlled faller gill multi-roll device and is connect by actuating device
Receive roller to be rotated；HV generator connects faller gill multi-roll device, and receiving roll, battery lead plate pass through wired earth.
A kind of faller gill roll-type needleless electrostatic spinning apparatus of the present invention, wherein faller gill multi-roll device is by central shaft, faller gill, dividing plate
Constitute with locking nut.Root diameter 24mm, length 200mm are made up of conducting metals such as steel, copper；Faller gill aperture 24mm, outward
Footpath 80mm, thickness 0.5-2mm, pin length 1-20mm, pin spacing 1-10mm are made up of rustless steel anti-corrosion electric conducting metal；Partition
Internal diameter 24mm, external diameter 40mm, thickness 1-10mm, are made up of insulant such as polyformaldehyde.
A kind of faller gill roll-type needleless electrostatic spinning apparatus of the present invention, wherein hairbrush feeding device is by isocon and hairbrush group
Into.Isocon is made up of polyformaldehyde, and bottom opens up the aperture that diameter becomes big successively, it is ensured that spinning liquid uniformly divides under differential pressure action
Cloth is on hairbrush.Hairbrush is made up of steel wire, with certain intensity and elasticity, can resist the corrosion of spinning liquid.Hairbrush is fixed on
Below isocon aperture and it is in close contact, hairbrush top is in close contact with faller gill tip, and 0-60 ° of contact angle is adjustable.
A kind of faller gill roll-type needleless electrostatic spinning apparatus of the present invention, wherein faller gill of the reservoir internal diameter than faller gill multi-roll device
The big 1-5mm of external diameter, is easy to collect the spinning liquid that storage is dripped from faller gill.
A kind of faller gill roll-type needleless electrostatic spinning apparatus of the present invention, the reception mode of wherein fiber are replaceable.The first side
Formula is can be grounded using receiving roll, and fiber is finally wrapped in receiving roll；The second way is can not made using electrode plate earthing
With air knife, fiber finally falls on battery lead plate；The third mode is can to change fiber movement using air knife using electrode plate earthing
Direction, fiber finally fall on receiver board.
A kind of faller gill roll-type needleless electrostatic spinning apparatus of the present invention, wherein receiving roll are hollow cylinder, by conductions such as steel, copper
Metal is made, external diameter 80mm, length 200mm, and receiving roll is connected with the central shaft of faller gill multi-roll device by actuating device, in two
Heart axial line distance 80-280mm is adjustable.
A kind of faller gill roll-type needleless electrostatic spinning apparatus of the present invention, wherein battery lead plate are made up of conducting metals such as steel, copper, are connect
It is the square of length of side 250mm by face, is fixed on directly over faller gill multi-roll device by support frame, electrode is adjusted by screw rod
The spacing of plate and faller gill multi-roll device prepares the electrospinning fibre of different-diameter and surface topography.
A kind of faller gill roll-type needleless electrostatic spinning apparatus of the present invention, wherein air knife are fixed on battery lead plate right-hand member by screw rod,
Attenuated fibers in spinning process, while the direction of fiber movement can be changed, make fiber fall on receiver board.
A kind of faller gill roll-type needleless electrostatic spinning apparatus of the present invention, wherein peristaltic pump control the feeding rate of spinning liquid.
The present invention proposes a kind of faller gill roll-type needleless electrostatic spinning apparatus, has an advantage in that jet ejectors are interchangeable
Faller gill, needle tip is easy excitated to form continuous powered many jets, can greatly improve spinning efficiency；By metering needle leaf length,
Pin density and faller gill spacing change the field strength distribution of spinning electric field, and then regulate and control final fibre diameter and pattern；Secondly, using hair
Brush feeding device can realize uniform feed immediately, it is to avoid the impact that solvent volatilizees to concentration of dope and fiber morphology；And,
The air knife assosting effect of increase not only can attenuated fibers, and fiber movement direction can be changed；In addition, the recipient of device
Formula is replaceable, realizes multifunctionality.
Description of the drawings
Fig. 1 is a kind of faller gill roll-type needleless electrostatic spinning apparatus general structure schematic diagram of the invention.
Fig. 2 is the faller gill multi-roll device structural representation shown in Fig. 1.
Fig. 3 is the faller gill structural representation shown in Fig. 2.
Fig. 4 is the hairbrush feeding system structural representation shown in Fig. 1.
Fig. 5 is the isocon structural representation of the hairbrush feeding system shown in Fig. 4.
Fig. 6 is a kind of three kinds of reception schematic diagrams of faller gill roll-type needleless electrostatic spinning apparatus of the invention；A is receiving roll
Receive, b be battery lead plate receive, c be using air knife in the case of receiver board reception.
In figure：1- motors, 2- HV generators, 3- reservoirs, 4- faller gill multi-roll devices, 5- peristaltic pumps, 6- hairbrush
Feeding system, 7- air knives, 8- battery lead plates, 9- support frames, 10- actuating devices, 11- receiving rolls, 12- receiver boards, 13- apertures,
14- dividing plates, 15- faller gills, 16- locking nuts, 17- central shafts, 18- isocons, 19- hairbrush.
Specific embodiment
A kind of faller gill roll-type needleless electrostatic spinning apparatus of the present invention, such as Fig. 1 is equipments overall structure schematic diagram, is mainly included
Motor 1, peristaltic pump 5, hairbrush feeding system 6, reservoir 3, faller gill multi-roll device 4, air knife 7, receiving roll 11, battery lead plate 8, reception
Plate 12, actuating device 10, support frame 9 and HV generator 2.Wherein, faller gill multi-roll device 4 is by central shaft 17, faller gill
15th, dividing plate 14 and locking nut 16 are constituted, and see Fig. 2；Faller gill 15 is made up of rustless steel anti-corrosion electric conducting metal, and faller gill is annular shape
Thin slice, processes some taper needle points apart from one segment distance of faller gill annulus external diameter, and needle point is circumferentially distributed uniform, as shown in Figure 3.
Hairbrush feeding system 6 is made up of isocon 18 and hairbrush 19, hairbrush as shown in Figure 4 19 be fixed on below 18 aperture 13 of isocon and
It is in close contact, on isocon 18, has aperture 13,18 bottom of isocon can opens up the aperture 13 that diameter increases successively, such as Fig. 5 institutes
Show so that solution from one end into isocon 18 in flow out when be evenly distributed；Peristaltic pump 5 is connected with 18 arrival end of isocon,
Hairbrush 19 and 15 nib contacts of faller gill, faller gill multi-roll device 4 are fixed in support frame 9 using bearing；Reservoir 3 is placed in support
On framework 9 and immediately below faller gill multi-roll device 4；Battery lead plate 8 is placed in directly over faller gill multi-roll device 4, adjustable distance 0-
200mm；Air knife 7 is fixed on 8 right-hand member of battery lead plate, upper and lower adjustable distance 0-200mm by screw rod；Receiver board 12 is placed in faller gill roll-type
4 dead ahead of device, keeps receiving apart from 50-300mm；Receiving roll 11 keeps receiving as 45 ° of 4 oblique upper of faller gill multi-roll device
Apart from 0-200mm；Motor 1 is controlled faller gill multi-roll device 4 by actuating device 10 and is rotated with receiving roll 11；High pressure is quiet
Electric generator 2 connects central shaft 17, and receiving roll 11, battery lead plate 8 pass through wired earth.Technological process is：First, spinning liquid passes through
Peristaltic pump 5 is evenly distributed on hairbrush 19 into after isocon 18, and 18 bottom of isocon offers the aperture that diameter increases successively
13；Secondly, electrified jet, pin length, pin are formed at 15 tip of faller gill after hairbrush 19 dips spinning liquid when faller gill 15 rotates
Density scalable, changes the quantity scalable pin spacing of the partition of composition dividing plate 14；Finally, spinning liquid solidifies in course of injection
After form superfine fibre.Three kinds of collection modes are respectively shown in a, b and c figure in Fig. 6：First can be grounded using receiving roll 11,
Receiving roll 11 is finally wrapped in receiving roll 11 by actuating device 10 and 4 synchronous rotary of faller gill multi-roll device, fiber, receive away from
It is adjustable from 0-200mm；Second can be grounded using battery lead plate 8, not use air knife 7, fiber finally to fall on battery lead plate 8, receive away from
It is adjustable from 0-200mm；3rd can be grounded using battery lead plate 8, change fiber movement direction using air knife 7, and fiber finally falls and connecing
Receive on plate 12, receive adjustable apart from 50-300mm.
Claims (10)
1. a kind of faller gill roll-type needleless electrostatic spinning apparatus, it is characterised in that：Mainly include motor, peristaltic pump, hairbrush feed system
System, faller gill multi-roll device, reservoir, battery lead plate, air knife, receiving roll, actuating device, receiver board, support frame and high-pressure electrostatic
Generator, hairbrush feeding system are made up of isocon and hairbrush, and spinning liquid is evenly distributed to into after isocon by peristaltic pump
On hairbrush；Faller gill multi-roll device is made up of central shaft, faller gill, dividing plate and locking nut, and locking nut will be faller gill, dividing plate alternate solid
Fixed central shaft is fixed on the support frame using bearing on center shaft, and faller gill tip is in close contact with hairbrush；Reservoir is placed in
In support frame and immediately below faller gill multi-roll device, on faller gill, the redundant solution of non-filamentation can flow into reservoir；Electrode
Plate is placed in directly over faller gill multi-roll device；Air knife is fixed on battery lead plate right-hand member by screw rod, and air knife air outlet is higher than faller gill edge
The top；Receiver board is placed in faller gill multi-roll device dead ahead；Receiving roll is placed in 45 ° of faller gill multi-roll device oblique upper；Motor leads to
Cross actuating device control faller gill multi-roll device to be rotated with receiving roll；HV generator connection faller gill roll-type dress
Put, receiving roll, battery lead plate pass through wired earth.
2. a kind of faller gill roll-type needleless electrostatic spinning apparatus according to claim 1, it is characterised in that：Faller gill is by rustless steel
Anti-corrosion electric conducting metal is made, and faller gill is circular thin slice, processes some taper pins apart from one segment distance of faller gill annulus external diameter
Point, needle point are circumferentially distributed uniform.
3. a kind of faller gill roll-type needleless electrostatic spinning apparatus according to claim 1, it is characterised in that：Partition is by polyformaldehyde
Make Deng insulant.
4. a kind of faller gill roll-type needleless electrostatic spinning apparatus according to claim 1, it is characterised in that：Isocon is by poly- first
Aldehyde is made, and bottom opens up the aperture that diameter becomes big successively；Hairbrush is made up of steel wire, with certain intensity and elasticity, can be resisted
The corrosion of spinning liquid.
5. a kind of faller gill roll-type needleless electrostatic spinning apparatus according to claim 4, it is characterised in that：Hairbrush is fixed on point
Below flow tube aperture and it is in close contact, hairbrush top is in close contact with faller gill tip, and 0-60 ° of contact angle is adjustable.
6. a kind of faller gill roll-type needleless electrostatic spinning apparatus according to claim 1, it is characterised in that：Reservoir internal diameter ratio
The big 1-5mm of faller gill external diameter of faller gill multi-roll device.
7. a kind of faller gill roll-type needleless electrostatic spinning apparatus according to claim 1, it is characterised in that：Fiber receives mode
It is to be grounded using receiving roll, fiber is finally wrapped in receiving roll.
8. a kind of faller gill roll-type needleless electrostatic spinning apparatus according to claim 1, it is characterised in that：Fiber receives mode
It is that, using electrode plate earthing, air knife cuts out, and fiber finally falls on battery lead plate.
9. a kind of faller gill roll-type needleless electrostatic spinning apparatus according to claim 1, it is characterised in that：Fiber receives mode
It is, using electrode plate earthing, to change fiber movement direction using air knife, fiber finally falls on receiver board.
10. a kind of faller gill roll-type needleless electrostatic spinning apparatus according to claim 1, it is characterised in that：Receiving roll is sky
Heart cylinder, is made up of conducting metals such as steel, copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611204230.5A CN106521647B (en) | 2016-12-23 | 2016-12-23 | A kind of faller gill roll-type needleless electrostatic spinning apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611204230.5A CN106521647B (en) | 2016-12-23 | 2016-12-23 | A kind of faller gill roll-type needleless electrostatic spinning apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN106521647A true CN106521647A (en) | 2017-03-22 |
| CN106521647B CN106521647B (en) | 2019-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611204230.5A Active CN106521647B (en) | 2016-12-23 | 2016-12-23 | A kind of faller gill roll-type needleless electrostatic spinning apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624967A (en) * | 2018-05-03 | 2018-10-09 | 东华大学 | A kind of brush electrostatic spinning apparatus of suitable gravity multi-slice and method |
| CN110273190A (en) * | 2018-07-19 | 2019-09-24 | 武汉纺织大学 | Based on the uniformly distributed mutliblade open electrospinning nozzle of annular |
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| CN206428350U (en) * | 2016-12-23 | 2017-08-22 | 北京化工大学 | A kind of faller gill roll-type needleless electrostatic spinning apparatus |
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Patent Citations (7)
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| JP2010144290A (en) * | 2008-12-19 | 2010-07-01 | Panasonic Corp | Method for producing nanofiber and production apparatus |
| CN103668488A (en) * | 2013-12-05 | 2014-03-26 | 厦门大学 | Fiber jetting device |
| CN203592403U (en) * | 2013-12-16 | 2014-05-14 | 海宁奇晟轴承有限公司 | Water injector of machine for grinding outer circumferential surface of outer ring of bearing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624967A (en) * | 2018-05-03 | 2018-10-09 | 东华大学 | A kind of brush electrostatic spinning apparatus of suitable gravity multi-slice and method |
| CN110273190A (en) * | 2018-07-19 | 2019-09-24 | 武汉纺织大学 | Based on the uniformly distributed mutliblade open electrospinning nozzle of annular |
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| Publication number | Publication date |
|---|---|
| CN106521647B (en) | 2019-05-07 |
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