CN108034995A - A kind of solid syringe needle electrospinning device - Google Patents
A kind of solid syringe needle electrospinning device Download PDFInfo
- Publication number
- CN108034995A CN108034995A CN201810033584.0A CN201810033584A CN108034995A CN 108034995 A CN108034995 A CN 108034995A CN 201810033584 A CN201810033584 A CN 201810033584A CN 108034995 A CN108034995 A CN 108034995A
- Authority
- CN
- China
- Prior art keywords
- spinning head
- syringe needle
- spinning
- main body
- solid syringe
- 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.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention discloses a kind of solid syringe needle electrospinning device, including spinneret system, fiber reception system, liquid-supplying system, electric power system and control system；The spinneret system includes multiple spinning heads, the drain fixing pipe for fixing multiple spinning heads and the insulating boot for being used to carry out spinning head electrostatic isolation being arranged on each spinning head；Wherein, the spinning head includes spinning head main body, the connecting seat positioned at spinning head main body one end and multiple solid syringe needles positioned at the spinning head main body other end, it is equipped with the spinning head main body and supplies sap cavity, the inlet tube connected with for sap cavity is equipped with the connecting seat, feed flow intracavitary is stretched into one end of the solid syringe needle, the other end stretches out spinning head main body, and gap is equipped between each solid syringe needle and spinning head main body；Liquid storage cylinder is equipped with the drain fixing pipe.The equipment had not only been avoided that spinning syringe needle electrostatic repulsion, but also spinning syringe needle can be allowed to be arranged with less spacing, to obtain more preferable electrostatic spinning product.
Description
Technical field
The present invention relates to a kind of electrospinning device, and in particular to a kind of solid syringe needle electrospinning device.
Background technology
Nanofiber refers to fibre diameter between tens nanometers to the superfine fibre in hundreds of nanometer ranges, with general fibre
Compare, there is the characteristic such as specific surface area height, high porosity, by nanofiber accumulation form with 3 D stereo loose structure
Micro/nano fibrous membrane material has the advantages that aperture is small, porosity is high, connectedness is good, bulk density is controllable, therefore can be used as and receive
Rice Science and Technology constructs primitive substantially；And carry out in the production process of nanofiber, not only by electrospinning process
It is enough that fibre diameter, fiber morphology, fibre structure are regulated and controled, moreover it is possible to relatively easily by using functionalized polymer or addition
Functional chemical obtains the functional nano fiber with difference in functionality, due to the functional nano fiber have it is numerous
Excellent properties, therefore be successfully applied to filtering, catalyst or zymophore, organizational project, insoluble drug release, sensing at present
In the fields such as device, energy storage, textile garment.
In existing electrostatic spinning apparatus, in order to improve production efficiency, multiple pin spinning heads are typically provided with, it is more during work
A pin spinning head is carried out at the same time electrostatic spinning task, and since each pin spinning head is all powered, each pin spinning head with point can all produce
Electrostatic field, therefore can be interfered with each other between multiple electrostatic fields of multiple pin spinning heads generation so that the nanometer sprayed from pin spinning head
Fiber irregularly bend alignment, causes spinning uneven, the quality of spinning is had a greatly reduced quality；Also, it there is also and receive when spraying
The rice outside deflection of fiber, so as to can not be accepted to situation about receiving in base fabric.
In order to overcome the above problem, application publication number is that the patent application document of 106119995 A of CN discloses one kind in fact
Heart pin spinning head electrostatic spinning apparatus, the device include liquid-supplying system, solid needle spinning head spinneret system, jacking system, power supply
System, reception system and control system, wherein, the solid needle spinning head spinneret system is by solid needle spinning head, wire
Conducting wire, insulation drain rod, support plate, spinneret spinning head liquid storage box composition, the insulation drain mandrel heart have a centre bore, aperture with
Solid needle spinning head diameter of needle body is equal, in the solid needle spinning head insertion insulation drain rod centre bore；The support plate
Centre position is provided with the N row through holes equidistantly arranged, and aperture is equal with the intermediate cylindrical diameter for the drain rod that insulate, and the insulation is led
Liquid rod is set in through hole on the supporting plate；The bottom of the spinneret spinning head liquid storage box is provided with the N row circular cones equidistantly arranged
Heavy spinneret hole, aperture is equal with insulation drain rod intermediate cylindrical diameter, top-slitting, fluting appearance and size and support plate shape
Equal sized, the support plate is placed in the fluting of spinneret spinning head liquid storage box, and support plate is connected with jacking system, the insulation
Drain rod bottom circular cone sinks spinning head through hole through spinneret spinning head liquid storage box bottom circular cone, and is in close contact.During work, lifting
System drive support plate is moved upwards so that and the gap that insulation drain rod and circular cone sink between spinning head part increases, so that
Drop is obtained to produce taylor cone under the excitation of electric field along the circular cone outflow of insulation drain rod bottom, drop, form nanofiber.By
Each solid needle spinning head is all disposed within insulation guide rod in the device, therefore can significantly reduce electrostatic repulsion
Interference so that spinning is more uniform, spinning effect is better.
But there are problems with actual production for the device：Since solid needle spinning head is placed in insulation drain rod, absolutely
The diameter of edge drain rod is much larger relative to solid needle spinning head, therefore causes the arrangement spacing of solid needle spinning head larger, when
When some manufacturing technique requirent solid needle spinning heads are arranged with the spacing of smaller, existing above device can not just be accomplished.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of solid syringe needle electrospinning device, this sets
It is standby to be not only avoided that spinning syringe needle electrostatic repulsion, but also spinning syringe needle can be allowed to be arranged with less spacing, to obtain more preferable Static Spinning
Silk product.
The present invention solve above-mentioned technical problem technical solution be：
A kind of solid syringe needle electrospinning device, including spinneret system, fiber reception system, liquid-supplying system, electric power system
And control system；
The spinneret system includes multiple spinning heads, the drain fixing pipe for fixing multiple spinning heads and is arranged on every
The insulating boot for being used to carry out spinning head electrostatic isolation on a spinning head；Wherein, the spinning head includes spinning head main body, position
In spinning head main body one end for the connecting seat that is connected with drain fixing pipe and positioned at the spinning head main body other end from spray
The multiple solid syringe needles to extend out in silk head main body, wherein, the insulating boot is enclosed in outside solid syringe needle, the spinning head master
It is equipped with vivo and supplies sap cavity, the inlet tube connected with for sap cavity is equipped with the connecting seat, confession is stretched into one end of the solid syringe needle
In sap cavity, the other end stretches out spinning head main body, and gap is equipped between each solid syringe needle and spinning head main body；The drain fixing pipe
It is interior to be equipped with liquid storage cylinder, the cavity wall of the liquid storage cylinder be equipped with inlet and with each spinning head inlet tube turn on one by one it is multiple go out liquid
Mouthful；
The fiber reception system includes reception base fabric, the let off roll positioned at reception base fabric both ends and wind-up roll, for driving
The wind-up roll driving mechanism of dynamic wind-up roll movement and the lift drive mechanism that base fabric up and down motion is received for driving；
The liquid-supplying system includes bomb and liquid storage box, wherein, pass through appendix between the bomb and liquid storage box
Connection, the liquid storage box are connected by woven hose with the inlet of drain fixing pipe；
The electric power system includes high-voltage DC power supply, and the cathode of the high-voltage DC power supply passes through conducting wire and each spinning head
In solid syringe needle connection, it is described reception base fabric ground connection；The control system and wind-up roll driving mechanism and elevator drive machine
The control terminal connection of structure.
The preferred solution of the present invention, wherein, the feed flow intracavitary, which is equipped with, to be used to drive what solid syringe needle moved up and down
Kickboard sealing ring, multiple solid syringe needles are fixed on the kickboard sealing ring, when the polymer dope underfill of feed flow intracavitary,
Kickboard sealing ring is contacted with the cavity wall for sap cavity；When feed flow intracavitary is full of polymer dope, kickboard sealing ring is with supplying sap cavity
Cavity wall disengage.Said structure is suitable for the occasion of the downward spinneret of spinning head, it is advantageous in that：At whole electrostatic apparatus
When working status, feed flow intracavitary is full of polymer dope, kickboard sealing ring (kickboard sealing ring at this time under the action of buoyancy
Buoyancy be more than the gravity of kickboard sealing ring and solid syringe needle) disengaged with the cavity wall for sap cavity, by solid syringe needle with spraying
The intersubjective gap of silk is opened, so that polymer dope can be flowed out by the gap, carries out normal spinneret work
Industry；And when whole electrostatic apparatus is in off working state, supply is lacked in the polymer dope by feed flow intracavitary, thus it is floating
Plate sealing ring is under gravity (buoyancy of kickboard sealing ring is less than kickboard sealing ring and the gravity of solid syringe needle at this time)
Contact, solid syringe needle and the intersubjective clearance seal of spinning head are closed, so as to prevent polymer with the cavity wall for sap cavity
Spinning solution pollutes waste from for outflow in sap cavity.
The preferred solution of the present invention, wherein, the connecting seat of the spinning head is screw rod, and the drain fixing pipe is equipped with
The screw hole coordinated with screw rod.The spinning head realizes the company between spinning head fixing piece by way of screw rod and screw hole coordinate
Connect, so that spinning head has the advantages that convenient, good airproof performance is replaced in installation.
Preferably, the wind-up roll driving mechanism includes motor, the driving pulley being coaxially disposed with wind-up roll and with putting
The driven pulley that winding up roller is coaxially disposed, wherein, the output shaft of the motor is connected by shaft coupling or conveyer belt with driving pulley,
The driven pulley is with driving pulley by transmitting band connection.During work, the output shaft of motor, which rotates, drives driving pulley to rotate,
And then on the one hand drive with driving pulley it is coaxial and wind-up roll rotation, another aspect drive is connected with driving pulley by conveyer belt
The driven pulley connect rotates, so as to drive let off roll to rotate, realizes the folding and unfolding task for receiving cloth base.
Preferably, the appendix is equipped with gas flow regulating valve and pressure gauge.During work, gas flow can be utilized
Regulating valve controls the size of pressure in liquid reserve tank, and when pressure is larger, the flow velocity of polymer dope is big, in the unit interval
Liquid supply rate is more, and when pressure is smaller, the flow velocity of polymer dope is small, and the liquid supply rate in the unit interval is few, so as to basis
Actual demand is adjusted.
Preferably, the drain fixing pipe for cylinder hollow seal pipe, described in the inner cavity of the hollow seal pipe is formed
Liquid storage cylinder, the inlet are arranged on the end face of hollow seal pipe, and the liquid outlet is arranged on the cylinder of hollow seal pipe
On face.Since the inner cavity surface of hollow seal pipe is cylindrical surface, convergence can be played the role of to polymer dope, in this way,
Polymer dope is flowed out from the liquid outlet for be arranged on cylindrical surface again after converging to bottom, so that liquid is more smooth
Ground is flowed into spinning head；Also, the hollow seal pipe of cylinder also allows for cleaning its inner cavity.
Preferably, the drain fixing pipe is rectangular box, and the inner cavity of the rectangular box forms the liquid storage cylinder.So set
Purpose is that the surface of rectangular box is planar structure, can either set spinning head in the horizontal, and can set spray in the vertical
Silk head, so as to the quantity and arrangement mode of reasonable arrangement spinning head according to the actual requirements.
Preferably, the spinning head main body is cylinder, and the solid syringe needle is along the circumferential direction arranged in spinning head main body
Row, and be radially divided into multigroup.
Preferably, the insulating boot is hollow cylindrical structure, and the end of the insulating boot is connected through a screw thread structure connection
In the spinning head main body.
Preferably, the spinning head main body is cylinder, and the solid syringe needle is arranged in spinning head main body with array way
Row.
The present invention operation principle be：
During work, bomb is supplied into liquid storage box so that is in high pressure conditions, at elevated pressure, liquid storage in liquid storage box
The polymer dope of box can be automatically out of, liquid storage box flows to drain fixing pipe by woven hose liquid storage cylinder, and then pass through
The feed flow intracavitary that the liquid outlet of liquid storage cylinder flows to spinning head provides polymer dope for spinning head in spinning process.
In each spinning head, since each solid syringe needle and spinning head main component are equipped with gap, it is located at spinning head
The polymer dope of feed flow intracavitary can be reached at the needle point of solid syringe needle by the gap, form polymer drop, be adjusted
When voltage reaches critical spinning voltage, there is taylor cone at each solid needle tip, and be further drawn into spinning jet, shape
Into nanofiber, it is ejected into and receives in base fabric, then the base fabric after spinneret is wound by let off roll and wind-up roll.
Wherein, since each spinning head is equipped with insulating boot so that the electrostatic interference between spinning head weakens significantly, therefore often
A spinning head forms an independent spinneret unit in spinning process；And for each spinneret unit inside, due to every
A spinning head is equipped with multiple solid syringe needles, although can be there are electrostatic interference, due to each spinning head between each syringe needle
The quantity of interior solid syringe needle is relative to the solid syringe needle much smaller number in whole electrospinning device, therefore in each spinning head
Electrostatic repulsion effect between solid syringe needle is limited so that the electrostatic interference shadow suffered by spinning that each spinning head sprays
Sound is smaller, and by rationally setting the quantity of spinning head and the arrangement position of spinning head, the spinning sprayed by multiple spinning heads converges
Collect in base fabric, just can obtain higher-quality electrostatic spinning product.At the same time, due to the interior solid needle in each spinning head
Head is the syringe needle of common diameter, therefore the arrangement spacing between syringe needle and syringe needle can set to obtain smaller, and arrangement form can also
Flexibly set, so as to meet the arrangement requirement of small spacing, meet specific manufacturing technique requirent, for example, production efficiency is more
Height, spinning distribution density bigger etc..
The present invention has following beneficial effect compared with prior art：
1st, insulating boot, therefore spinning head are designed with each spinning head on solid syringe needle electrospinning device of the invention
Between the problem of will not producing electrostatic interference；And for each spinning head, although between its internal multiple solid syringe needle
There are problems that electrostatic interference, but since the quantity of solid syringe needle in each spinning head is relative in whole electrospinning device
Solid syringe needle much smaller number, therefore the electrostatic repulsion effect in each spinning head between solid syringe needle is limited so that it is every
Electrostatic interference influence suffered by the spinning that a spinning head sprays is smaller, by the quantity and spinning head that rationally set spinning head
Arrangement position, the spinning sprayed by multiple spinning heads is pooled in base fabric, just can obtain higher-quality electrostatic spinning product.
At the same time, due in each spinning head solid syringe needle be the syringe needle of common diameter, the row between syringe needle and syringe needle
Column pitch can set to obtain smaller, and arrangement form can also flexibly be set, and so as to meet the arrangement requirement of small spacing, meet
Specific manufacturing technique requirent, for example, production efficiency higher, spinning distribution density bigger etc..
2nd, solid syringe needle electrospinning device of the invention had both been avoided that because of silk syringe needle close-packed arrays to go out in the prior art
Existing electrostatic repulsion problem, but be avoided that causes spacing excessive because of each spinning pin therefore setting insulator in the prior art
Problem, while solve the problems, such as the problem of electrostatic interference and spinning pin arranging density, obtain double effects.
3rd, solid syringe needle electrospinning device of the invention is equipped with multiple spinning heads, and is equipped with spinning head multiple solid
Syringe needle, during work, multiple solid syringe needles in multiple spinning heads can be carried out at the same time spinneret work, therefore can greatly improve spray
Silk yield.
4th, solid syringe needle electrospinning device of the invention provides constant air pressure using air pressure feed liquid way, and syringe needle quantity is not
It is restricted, and spinning solution is uniformly distributed, and spinning process is stablized.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of solid syringe needle 5-1 electrospinning devices of the present invention.
Fig. 2 is when drain fixing pipe is that cylinder type hollow is close in a kind of solid syringe needle 5-1 electrospinning devices shown in Fig. 1
Structure diagram during tube sealing.
Fig. 3 is the structure diagram of nozzle in Fig. 1.
Fig. 4 is the cut-away view of Fig. 1 nozzles.
Fig. 5 is that the solid syringe needle is along the circumferential direction arranged in spinning head main body when spinning head main body is cylinder in Fig. 1
Structure diagram during row.
Fig. 6 is the cut-away view of 2 corresponding nozzle of embodiment.
Fig. 7 is the structure diagram of the corresponding drain fixing pipe of embodiment 3.
Fig. 8 is structure diagram when being arranged in the corresponding solid syringe needle spinning head main body of embodiment 4 with array way.
Embodiment
With reference to embodiment and attached drawing, the present invention is described in further detail, but embodiments of the present invention are unlimited
In this.
Embodiment 1
Referring to Fig. 1, a kind of solid syringe needle 5-1 electrospinning devices of the invention, including spinneret system, fiber receive system
System, liquid-supplying system, electric power system and control system；
Referring to Fig. 1-Fig. 4, the spinneret system includes multiple spinning heads 5, is fixed for fixing the drain of multiple spinning heads 5
Pipe 4 and the insulating boot 12 for being used to carry out spinning head 5 electrostatic isolation being arranged on each spinning head 5, tape insulation cover 12 are
Hollow cylindrical structure, the end of the insulating boot 12 are connected through a screw thread structure and are connected on the spinning head main body 5-2；It is described
Spinning head 5 includes spinning head main body 5-2, positioned at spinning head main body 5-2 one end for the connecting seat that is connected with drain fixing pipe 4
The 5-3 and multiple solid syringe needle 5-1 to extend out in the slave spinning head main body 5-2 of the spinning head main body 5-2 other ends, its
In, the insulating boot 12 is enclosed in outside solid syringe needle 5-1, is equipped with the spinning head main body 5-2 and is supplied sap cavity 5-21, the connection
One end that the inlet tube 5-5, the solid syringe needle 5-1 that are connected with for sap cavity 5-21 are equipped with seat 5-3 is stretched into in sap cavity 5-21,
The other end stretches out spinning head main body 5-2, and gap 5-22 is each equipped between solid syringe needle 5-1 and spinning head main body 5-2；The drain
Liquid storage cylinder is equipped with fixing pipe 4, the cavity wall of the liquid storage cylinder is equipped with inlet and is led one by one with each 5 inlet tube 5-5 of spinning head
Logical multiple liquid outlets；Wherein, the connecting seat 5-3 of the spinning head 5 is screw rod, which is equipped with screw thread 5-4, the drain
Fixing pipe 4 is equipped with the screw hole coordinated with screw rod；The spinning head 5 is realized by way of screw rod coordinates with screw hole and fixed with drain
Connection between pipe 4, so that spinning head 5 has the advantages that convenient, good airproof performance is replaced in installation.
Referring to Fig. 2, the drain fixing pipe 4 is the hollow seal pipe of cylinder, and the inner cavity of the hollow seal pipe forms institute
Liquid storage cylinder is stated, the inlet is arranged on the end face of hollow seal pipe, and the liquid outlet is arranged on the circle of hollow seal pipe
On cylinder.Since the inner cavity surface of hollow seal pipe is cylindrical surface, convergence can be played the role of to polymer dope, this
Sample, polymer dope are flowed out from the liquid outlet for be arranged on cylindrical surface again after converging to bottom, so that liquid is more
Successfully it is flowed into spinning head 5；Also, the hollow seal pipe of cylinder also allows for cleaning its inner cavity.
Referring to Fig. 3 and Fig. 5, the spinning head main body 5-2 is cylinder, and the solid syringe needle 5-1 is in spinning head main body 5-2
On along the circumferential direction arrange, and be radially divided into multigroup.
Referring to Fig. 1, the fiber reception system includes receiving base fabric 7, the live roller 6 positioned at 7 both ends of reception base fabric, drives
The wind-up roll driving mechanism and driving that dynamic live roller 6 rotates receive the lift drive mechanism that base fabric 7 moves up and down, the biography
Dynamic roller includes let off roll and wind-up roll, and the lift drive mechanism is made of the first motor 14 and supporting rod 13, wherein, it is described
One end of supporting rod 13 is connected with receiving base fabric, and the other end is connected with the first motor 14；The wind-up roll driving mechanism includes the
Two motors and the wind-up roll driving pulley being coaxially disposed and the driven pulley being coaxially disposed with let off roll, wherein, described second
The output shaft of motor is connected by shaft coupling or conveyer belt with driving pulley, and the driven pulley passes through conveyer belt with driving pulley
Connection.During work, the output shaft of the second motor, which rotates, drives driving pulley to rotate, and then on the one hand drives coaxial with driving pulley
And wind-up roll rotate, on the other hand drive with driving pulley by transmit band connection driven pulley rotate, put so as to drive
Winding up roller rotates, and realizes the folding and unfolding task for receiving base fabric 7.
Referring to Fig. 1, the liquid-supplying system includes bomb 11 and liquid storage box 8, wherein, the bomb 11 and liquid storage box 8
Between connected by appendix, the liquid storage box 8 is connected by woven hose with the inlet of drain fixing pipe 4；The appendix
On be additionally provided with gas flow regulating valve 10 and pressure gauge 9.During work, liquid storage box can be controlled using gas flow regulating valve 10
The size of pressure in 8, when pressure is larger, the flow velocity of polymer dope is big, and the liquid supply rate in the unit interval is more, when pressure compared with
Hour, the flow velocity of polymer dope is small, and the liquid supply rate in the unit interval is few, so as to be adjusted according to the actual requirements.
Referring to Fig. 1, the electric power system includes high-voltage DC power supply, the cathode 1 of the high-voltage DC power supply by conducting wire 3 with
Solid syringe needle 5-1 connections in each spinning head 5, the reception base fabric 7 are connected 2 with earthing pole；The control system and winding
Roller driving mechanism and the connection of the control terminal of lift drive mechanism.
The present invention operation principle be：
During work, bomb 11 is supplied into liquid storage box 8 so that high pressure conditions are in liquid storage box 8, at elevated pressure,
The polymer dope of liquid storage box 8 can automatically out of, liquid storage box 8 flows to drain fixing pipe 4 by woven hose liquid storage cylinder,
And then by the liquid outlet of liquid storage cylinder flow to spinning head 5 for providing polymerization in spinning process in sap cavity 5-21 for spinning head 5
Thing spinning solution.
In each spinning head 5, since each solid syringe needle 5-1 and spinning head main body 5-2 parts are equipped with gap 5-22,
The needle point of solid syringe needle 5-1 can be reached by gap 5-22 for the polymer dope in sap cavity 5-21 positioned at spinning head 5
Place, forms polymer drop, when adjusting the voltage critical spinning voltage of arrival, taylor cone occurs at each solid syringe needle 5-1 needle points, and
Spinning jet is further drawn into, forms nanofiber, is ejected into and receives in base fabric 7, then pass through let off roll and wind-up roll
Base fabric 7 after spinneret is wound.
Wherein, since each spinning head 5 is equipped with insulating boot 12 so that the electrostatic interference between spinning head 5 weakens significantly, because
This each spinning head 5 forms an independent spinneret unit in spinning process；And for each spinneret unit inside, by
Multiple solid syringe needle 5-1 are equipped with each spinning head 5, although can be there are electrostatic interference, due to every between each syringe needle
The quantity of solid syringe needle 5-1 is relative to the solid syringe needle 5-1 much smaller numbers in whole electrospinning device in a spinning head 5,
Therefore the electrostatic repulsion effect in each spinning head 5 between solid syringe needle 5-1 is limited so that what each spinning head 5 sprayed
Electrostatic interference influence suffered by spinning is smaller, by rationally setting the quantity of spinning head 5 and the arrangement position of spinning head 5,
The spinning sprayed by multiple spinning heads 5 is pooled in base fabric 7, just can obtain higher-quality electrostatic spinning product.At the same time,
Since solid syringe needle 5-1 is the syringe needle of common diameter in each spinning head 5, the arrangement spacing between syringe needle and syringe needle
Smaller can be set to obtain, and arrangement form can also flexibly be set, and so as to meet the arrangement requirement of small spacing, be met specific
Manufacturing technique requirent, for example, production efficiency higher, spinning distribution density bigger etc..
Embodiment 2
Referring to 6, the present embodiment and the difference of embodiment 1 are, described to be used to drive reality for being equipped with sap cavity 5-21
Kickboard the sealing ring 5-23, multiple solid syringe needle 5-1 that heart syringe needle 5-1 moves up and down are fixed on kickboard sealing ring sealing ring 5-23
On, when supplying the polymer dope underfill in sap cavity 5-21, kickboard sealing ring 5-23 is contacted with the cavity wall for sap cavity 5-21；
When for being full of polymer dope in sap cavity 5-21, kickboard sealing ring 5-23 is disengaged with the cavity wall for sap cavity 5-21.On
The occasion that structure is suitable for 5 downward spinneret of spinning head is stated, it is advantageous in that：When whole electrostatic apparatus is in running order, supply
It is full of polymer dope in sap cavity 5-21, kickboard sealing ring 5-23 (kickboard sealing ring 5-23 at this time under the action of buoyancy
Buoyancy is more than the gravity of kickboard sealing ring 5-23 and solid syringe needle 5-1) disengaged with the cavity wall for sap cavity 5-21, will be solid
Gap 5-22 between syringe needle 5-1 and spinning head main body 5-2 is opened, so that polymer dope can pass through gap 5-22
Outflow, carries out normal spinneret operation；And when whole electrostatic apparatus is in off working state, by for the polymerization in sap cavity 5-21
Lack supply in thing spinning solution, therefore the kickboard sealing ring 5-23 (buoyancy of kickboard sealing ring 5-23 at this time under gravity
Less than kickboard sealing ring 5-23 and the gravity of solid syringe needle 5-1) contacted with the cavity wall for sap cavity 5-21, by solid syringe needle 5-1
Gap 5-22 sealings between spinning head main body 5-2 are closed, so as to prevent polymer dope from for being flowed in sap cavity 5-21
Go out and pollute waste.The necessity so set is：Spinneret direction in embodiment 1 is upward, and there is no polymer spinning
The drip of liquid, and spinneret direction is downward in the present embodiment, specifically, the drain fixing pipe is disposed over, and is received base fabric and is set
To put in lower section, the spinning head is arranged on the bottom of drain fixing pipe, and the spinneret direction of spinning head is downward, therefore even in non-work
Make under state, the liquid in the liquid storage cylinder of drain fixing pipe still can be by between solid syringe needle 5-1 and spinning head main body 5-2
Flowed out equipped with gap 5-22.
Other embodiment beyond the present embodiment the above embodiment is implemented referring to implementing 1.
Embodiment 3
Referring to Fig. 7, the present embodiment and the difference of embodiment 1 are, the drain fixing pipe 4 is rectangular box, the square
The inner cavity of shape box forms the liquid storage cylinder.The purpose so set is that the surface of rectangular box is planar structure, can either be in horizontal stroke
Spinning head 5 is set up, and spinning head 5 can be set in the vertical, so as to reasonable arrangement spinning head 5 according to the actual requirements
Quantity and arrangement mode.
Other embodiment beyond the present embodiment the above embodiment is implemented referring to implementing 1.
Embodiment 4
Referring to Fig. 8, the present embodiment and the difference of embodiment 1 are, the solid syringe needle 5-1 is in spinning head main body 5-
Arranged on 2 with array way.
Other embodiment beyond the present embodiment the above embodiment is implemented referring to implementing 1.
It is above-mentioned for the preferable embodiment of the present invention, but embodiments of the present invention and from the limitation of the above, its
His any Spirit Essence without departing from the present invention with made under principle change, modification, replacement, combine, simplification, should be
The substitute mode of effect, is included within protection scope of the present invention.
Claims (10)
- A kind of 1. solid syringe needle electrospinning device, it is characterised in that including spinneret system, fiber reception system, liquid-supplying system, Electric power system and control system；The spinneret system includes multiple spinning heads, the drain fixing pipe for fixing multiple spinning heads and is arranged on each spray The insulating boot for being used to carry out spinning head electrostatic isolation on silk head；Wherein, the spinning head includes spinning head main body, positioned at spray Silk head main body one end for the connecting seat being connected with drain fixing pipe and the slave spinning head positioned at the spinning head main body other end The multiple solid syringe needles to extend out in main body, wherein, the insulating boot is enclosed in outside solid syringe needle, in the spinning head main body Equipped with for sap cavity, the connecting seat is interior to be equipped with the inlet tube connected with for sap cavity, and one end of the solid syringe needle is stretched into for sap cavity Interior, the other end stretches out spinning head main body, and gap is equipped between each solid syringe needle and spinning head main body；Set in the drain fixing pipe There is liquid storage cylinder, the cavity wall of the liquid storage cylinder is equipped with inlet and the multiple liquid outlets turned on one by one with each spinning head inlet tube；The fiber reception system includes receiving base fabric, is received positioned at the let off roll and wind-up roll for receiving base fabric both ends, for driving The wind-up roll driving mechanism of winding up roller movement and the lift drive mechanism that base fabric up and down motion is received for driving；The liquid-supplying system includes bomb and liquid storage box, wherein, connected between the bomb and liquid storage box by appendix, The liquid storage box is connected by woven hose with the inlet of drain fixing pipe；The electric power system includes high-voltage DC power supply, and the cathode of the high-voltage DC power supply passes through on conducting wire and each spinning head Solid syringe needle connection, the reception base fabric ground connection；The control system and wind-up roll driving mechanism and lift drive mechanism Control terminal connects.
- 2. solid syringe needle electrospinning device according to claim 1, it is characterised in that the feed flow intracavitary, which is equipped with, to be used for The kickboard sealing ring for driving solid syringe needle to move up and down, multiple solid syringe needles are fixed on the kickboard sealing ring, when feed flow intracavitary Polymer dope underfill when, kickboard sealing ring is contacted with for the cavity wall of sap cavity；When feed flow intracavitary is full of polymer spinning During liquid, kickboard sealing ring is disengaged with the cavity wall for sap cavity.
- 3. solid syringe needle electrospinning device according to claim 1, it is characterised in that the connecting seat of the spinning head is Screw rod, the drain fixing pipe are equipped with the screw hole coordinated with screw rod.
- 4. according to the solid syringe needle electrospinning device of claim 1-3 any one of them, it is characterised in that on the appendix Equipped with gas flow regulating valve and pressure gauge.
- 5. according to the solid syringe needle electrospinning device of claim 1-3 any one of them, it is characterised in that the wind-up roll drives Motivation structure includes motor and the wind-up roll driving pulley being coaxially disposed and the driven pulley being coaxially disposed with let off roll, wherein, The output shaft of the motor is connected by shaft coupling or conveyer belt with driving pulley, and the driven pulley passes through biography with driving pulley Send band connection.
- 6. solid syringe needle electrospinning device according to claim 5, it is characterised in that the drain fixing pipe is cylinder The hollow seal pipe of shape, the inner cavity of the hollow seal pipe form the liquid storage cylinder, and the inlet is arranged on hollow seal pipe On end face, the liquid outlet is arranged on the cylindrical surface of hollow seal pipe.
- 7. solid syringe needle electrospinning device according to claim 1, it is characterised in that the insulating boot is hollow circle Rod structure, the end of the insulating boot are connected through a screw thread structure and are connected in the spinning head main body.
- 8. solid syringe needle electrospinning device according to claim 5, it is characterised in that the drain fixing pipe is rectangle Box, the inner cavity of the rectangular box form the liquid storage cylinder.
- 9. solid syringe needle electrospinning device according to claim 1, it is characterised in that the spinning head main body is cylinder Body, the solid syringe needle along the circumferential direction arranges in spinning head main body, and is radially divided into multigroup.
- 10. solid syringe needle electrospinning device according to claim 1, it is characterised in that the spinning head main body is circle Cylinder, the solid syringe needle are arranged in spinning head main body with array way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810033584.0A CN108034995B (en) | 2018-01-12 | 2018-01-12 | Solid needle electrostatic spinning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810033584.0A CN108034995B (en) | 2018-01-12 | 2018-01-12 | Solid needle electrostatic spinning equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108034995A true CN108034995A (en) | 2018-05-15 |
| CN108034995B CN108034995B (en) | 2023-09-26 |
Family
ID=62096541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810033584.0A Active CN108034995B (en) | 2018-01-12 | 2018-01-12 | Solid needle electrostatic spinning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108034995B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158169A (en) * | 2019-06-26 | 2019-08-23 | 广东工业大学 | A kind of composite centrifugal device for spinning |
| CN111005077A (en) * | 2019-12-02 | 2020-04-14 | 厦门纳莱科技有限公司 | Core-string type multi-needle electrostatic spinning nozzle and electrostatic spinning device |
| CN111118620A (en) * | 2019-12-30 | 2020-05-08 | 东华大学 | Saturated micro-liquid-level solid needle array spinning device and using method thereof |
| CN111690992A (en) * | 2019-03-12 | 2020-09-22 | 株式会社东芝 | Nozzle unit, electric field spinning nozzle and electric field spinning device |
| CN111763993A (en) * | 2020-06-05 | 2020-10-13 | 东南大学 | Electrostatic spinning device of concentric annular solid needle electrode |
| CN114277458A (en) * | 2021-12-31 | 2022-04-05 | 武汉纺织大学 | Accumulation-free centrifugal spinning device and use method thereof |
| CN114703553A (en) * | 2022-03-28 | 2022-07-05 | 聚纳达(青岛)科技有限公司 | Solution jet spinning device for forming nano fibers |
| CN114717669A (en) * | 2022-03-30 | 2022-07-08 | 南通纺织丝绸产业技术研究院 | Nanofiber yarn and continuous yarn forming method thereof |
| WO2022147869A1 (en) * | 2021-01-08 | 2022-07-14 | 苏州大学 | Electrostatic spinning apparatus capable of in-batch preparation of nanofibers having core-shell structure |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050233021A1 (en) * | 2002-08-16 | 2005-10-20 | Suk-Won Chun | Apparatus for producing nanofiber utilizing electospinning and nozzle pack for the apparatus |
| WO2012087025A2 (en) * | 2010-12-22 | 2012-06-28 | 전북대학교산학협력단 | Electrospinning apparatus comprising a spinning tube having a plurality of spounting holes |
| CN103290492A (en) * | 2013-05-31 | 2013-09-11 | 华中科技大学 | Production method and device of micro-diameter wires or tubes |
| WO2015008882A1 (en) * | 2013-07-19 | 2015-01-22 | 전북대학교산학협력단 | Electrospinning apparatus comprising spinning tubes having plurality of discharge holes |
| CN105332067A (en) * | 2015-11-11 | 2016-02-17 | 佛山轻子精密测控技术有限公司 | Continuous liquid feeding electrostatic spinning device with closeable liquid feed hole |
| CN106119995A (en) * | 2016-09-02 | 2016-11-16 | 天津工业大学 | A kind of solid syringe needle electrostatic spinning apparatus |
| CN106757422A (en) * | 2017-01-22 | 2017-05-31 | 华南协同创新研究院 | A kind of electrostatic spinning apparatus with porous nozzle |
| CN106835305A (en) * | 2017-03-10 | 2017-06-13 | 苏州大学 | A kind of air bubble liquid-membrane device for spinning |
| CN107142530A (en) * | 2017-03-21 | 2017-09-08 | 广东工业大学 | Electrospinning device and its shower nozzle with the positive nozzle pitch of truncated rectangular pyramids nine of auxiliary electrode |
| CN107469466A (en) * | 2017-08-10 | 2017-12-15 | 东华大学 | A kind of compound electret filtering material of micrometer fibers/nanofiber and preparation method thereof |
| CN207877944U (en) * | 2018-01-12 | 2018-09-18 | 华南协同创新研究院 | A kind of solid syringe needle electrospinning device |
-
2018
- 2018-01-12 CN CN201810033584.0A patent/CN108034995B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050233021A1 (en) * | 2002-08-16 | 2005-10-20 | Suk-Won Chun | Apparatus for producing nanofiber utilizing electospinning and nozzle pack for the apparatus |
| WO2012087025A2 (en) * | 2010-12-22 | 2012-06-28 | 전북대학교산학협력단 | Electrospinning apparatus comprising a spinning tube having a plurality of spounting holes |
| CN103290492A (en) * | 2013-05-31 | 2013-09-11 | 华中科技大学 | Production method and device of micro-diameter wires or tubes |
| WO2015008882A1 (en) * | 2013-07-19 | 2015-01-22 | 전북대학교산학협력단 | Electrospinning apparatus comprising spinning tubes having plurality of discharge holes |
| CN105332067A (en) * | 2015-11-11 | 2016-02-17 | 佛山轻子精密测控技术有限公司 | Continuous liquid feeding electrostatic spinning device with closeable liquid feed hole |
| CN106119995A (en) * | 2016-09-02 | 2016-11-16 | 天津工业大学 | A kind of solid syringe needle electrostatic spinning apparatus |
| CN106757422A (en) * | 2017-01-22 | 2017-05-31 | 华南协同创新研究院 | A kind of electrostatic spinning apparatus with porous nozzle |
| CN106835305A (en) * | 2017-03-10 | 2017-06-13 | 苏州大学 | A kind of air bubble liquid-membrane device for spinning |
| CN107142530A (en) * | 2017-03-21 | 2017-09-08 | 广东工业大学 | Electrospinning device and its shower nozzle with the positive nozzle pitch of truncated rectangular pyramids nine of auxiliary electrode |
| CN107469466A (en) * | 2017-08-10 | 2017-12-15 | 东华大学 | A kind of compound electret filtering material of micrometer fibers/nanofiber and preparation method thereof |
| CN207877944U (en) * | 2018-01-12 | 2018-09-18 | 华南协同创新研究院 | A kind of solid syringe needle electrospinning device |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111690992A (en) * | 2019-03-12 | 2020-09-22 | 株式会社东芝 | Nozzle unit, electric field spinning nozzle and electric field spinning device |
| CN111690992B (en) * | 2019-03-12 | 2022-11-04 | 株式会社东芝 | Nozzle unit, electric field spinning nozzle and electric field spinning device |
| CN110158169A (en) * | 2019-06-26 | 2019-08-23 | 广东工业大学 | A kind of composite centrifugal device for spinning |
| CN111005077A (en) * | 2019-12-02 | 2020-04-14 | 厦门纳莱科技有限公司 | Core-string type multi-needle electrostatic spinning nozzle and electrostatic spinning device |
| CN111118620A (en) * | 2019-12-30 | 2020-05-08 | 东华大学 | Saturated micro-liquid-level solid needle array spinning device and using method thereof |
| CN111118620B (en) * | 2019-12-30 | 2021-12-21 | 东华大学 | Saturated micro-liquid-level solid needle array spinning device and using method thereof |
| CN111763993A (en) * | 2020-06-05 | 2020-10-13 | 东南大学 | Electrostatic spinning device of concentric annular solid needle electrode |
| WO2022147869A1 (en) * | 2021-01-08 | 2022-07-14 | 苏州大学 | Electrostatic spinning apparatus capable of in-batch preparation of nanofibers having core-shell structure |
| CN114277458A (en) * | 2021-12-31 | 2022-04-05 | 武汉纺织大学 | Accumulation-free centrifugal spinning device and use method thereof |
| CN114277458B (en) * | 2021-12-31 | 2022-12-09 | 武汉纺织大学 | Accumulation-free centrifugal spinning device and using method thereof |
| CN114703553A (en) * | 2022-03-28 | 2022-07-05 | 聚纳达(青岛)科技有限公司 | Solution jet spinning device for forming nano fibers |
| CN114717669A (en) * | 2022-03-30 | 2022-07-08 | 南通纺织丝绸产业技术研究院 | Nanofiber yarn and continuous yarn forming method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108034995B (en) | 2023-09-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108034995A (en) | A kind of solid syringe needle electrospinning device | |
| CN107523887B (en) | Annular electrostatic thread spraying structure and electrostatic spinning appts | |
| CN103334163B (en) | Electrospinning spinnerets unit, electrospinning liquid filament forming device and electrostatic spinning machine | |
| CN104032383B (en) | A kind of bidirectional screw electrostatic spinning apparatus | |
| CN104060355B (en) | Production method and device for continuous nano-fiber yarn | |
| CN201141056Y (en) | Multi-nozzle spinning machine for spraying upwards | |
| CN101210352B (en) | Taylor awl multiple spray head static spinning machine | |
| CN202809021U (en) | Electrostatic spinning device | |
| CN106381532B (en) | Electro spinning method for preparing with material gradient distribution characteristics nanofiber | |
| CN103628150A (en) | Multi-spray-head electrostatic spinning device | |
| CN202809020U (en) | Continuous electrostatic spinning system | |
| CN201334539Y (en) | Novel winding-type electrostatic spinning device | |
| CN103334166A (en) | Electrospinning liquid filamentation device and electrostatic spinning machine | |
| CN105887223A (en) | High-speed centrifugal spinning device for producing nanofiber yarn in one-step shaping and production method of nanofiber yarn | |
| CN100464015C (en) | Machine for spinning nano-fiber for production of non-woven cloth | |
| CN102383204A (en) | Self-absorption electrostatic spinning device capable of being used for producing nanofibers in large quantities | |
| CN103451750A (en) | Electrostatic spinning device and method for manufacturing hollow nanometer fiber | |
| CN207877944U (en) | A kind of solid syringe needle electrospinning device | |
| CN110344125A (en) | A kind of batch electric spinning equipment and its method for preparing nano fibrous membrane | |
| CN103451749A (en) | Continuous electrostatic spinning system and method for preparing fine fibers | |
| CN211947308U (en) | Bubble electrostatic spinning device for preparing nanofiber yarn | |
| CN106811845B (en) | Spherical shape is to spurt brush type mass nano fibre yarn wire processing device and its application method | |
| CN106757420B (en) | A kind of spiral goove flute profile electrostatic spinning apparatus and its application method | |
| CN104018237B (en) | Static spinning membrane thickness adjusting apparatus and electrostatic spinning machine | |
| CN111172600A (en) | Bubble atomization electrostatic spinning nozzle, electrostatic spinning device and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |