CN108505129A - A kind of device for spinning and technique preparing ordered nano-fibers array - Google Patents
A kind of device for spinning and technique preparing ordered nano-fibers array Download PDFInfo
- Publication number
- CN108505129A CN108505129A CN201810312041.2A CN201810312041A CN108505129A CN 108505129 A CN108505129 A CN 108505129A CN 201810312041 A CN201810312041 A CN 201810312041A CN 108505129 A CN108505129 A CN 108505129A
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- spinning
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- mobile platform
- pump
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- 238000009987 spinning Methods 0.000 title claims abstract description 150
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000002121 nanofiber Substances 0.000 title claims abstract description 15
- 238000007711 solidification Methods 0.000 claims abstract description 25
- 230000008023 solidification Effects 0.000 claims abstract description 25
- 239000000835 fiber Substances 0.000 claims description 42
- 229920000642 polymer Polymers 0.000 claims description 32
- 238000002074 melt spinning Methods 0.000 claims description 20
- 230000000694 effects Effects 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 6
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 6
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 6
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 235000019441 ethanol Nutrition 0.000 claims description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 3
- 239000004626 polylactic acid Substances 0.000 claims description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 2
- -1 polyethylene cyanogen Polymers 0.000 claims description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims 3
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims 2
- 229920000747 poly(lactic acid) Polymers 0.000 claims 1
- 239000000243 solution Substances 0.000 description 7
- 238000002493 microarray Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 4
- 239000004926 polymethyl methacrylate Substances 0.000 description 4
- 238000010041 electrostatic spinning Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 229920001410 Microfiber Polymers 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 125000003963 dichloro group Chemical group Cl* 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000003658 microfiber Substances 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- D01D5/08—Melt spinning methods
-
- 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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/06—Feeding liquid to the spinning head
-
- 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
- D01D13/00—Complete machines for producing artificial threads
-
- 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
- D01D13/00—Complete machines for producing artificial threads
- D01D13/02—Elements of machines in combination
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/736—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged characterised by the apparatus for arranging fibres
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The present invention relates to a kind of device for spinning and technique preparing ordered nano-fibers array, are made of melt extruder (1), spinning pump (2), miniflow pump (3), syringe (12), syringe needle (4), controller (5), mobile platform (6), mobile platform motor (7), spinning head (8), solidification equipment (9), receiver (10), receiver motor (11)；Wherein receiver motor (11) is connect with receiver (10), solidification equipment (9) is equipped with above receiver (10), there are the spinning head (8) being welded below spinning pump (2), spinning pump (2) mutually to be welded with melt extruder (1) right over solidification equipment (9)；There are syringe needle (4), syringe needle (4) mutually to be welded with the syringe (12) in miniflow pump (3) above receiver (10) other side；Receiver (10) and receiver motor (11) are each attached on mobile platform (6).The present invention largely reduces the space of spinning equipment, while also reducing the cost of equipment.
Description
Technical field
The present invention relates to a kind of device for spinning and technique preparing ordered nano-fibers array, be in particular one kind i.e.
It can again can be with the set composite and technique of microfluid spinning with melt spinning.
Background technology
Spinning technique is to realize that various macro works prepare the technique of fiber, is widely used in biological tissue, and textile industry surpasses
Grade capacitor and wearable aspect.At present, it is common to use spinning technique be mainly electrostatic spinning, melt spinning and centrifugation
The technological processes such as spinning.In all these spinning technique flows, electrostatic spinning due to its can spinning polymer it is wide, spun fiber is straight
Diameter it is small the most extensively.However, electrostatic spinning can only by conductive polymer solution or melt in highfield jet spinning,
Weaving viscosity it is larger or almost insulate polymer solution when, it is difficult to which surface tension is overcome to form injection stream, and cannot receive
Collect the spinning grid array of various angles；Melt-spinning technology will be exactly extruded into after polymer melting and quantitatively from spinning head
Thread cures through air or water cooling, fiber is wound into certain speed, result in this way melt spinning can only spinning, nothing
Method prepares film forming, and the diameter of spun fiber is about at 10 μm or more.Centrifugal spinning is as novel spinning process, due to its letter
Single efficiently preparation method also receives significant attention, but due to it runs at high speed and the cost problem brought and its can spin it is poly-
Closing the scope limitation of object, it is applied.In addition, to there is spinning mode single and cannot prepare for these three device for spinning
The defect of sequence fiber array.Therefore need develop one kind can weave out ultra-fine nanofiber but also prepare ordered microarray at
For urgent problem to be solved.
Recent microfluid spinning is since it is simple, safety, diversified and at low cost prepare orderly microfibre and extensive
Research.But the rotary speed and forward speed due to microfluid spinning-drawing machine are restricted that cause fibre diameter to still remain in micro-
Meter level is other, therefore the nano ordered fiber of the overlength that weave out also needs to combine the realization of certain spinning technique that can prepare Nanowire
Dimension and the ordered microarray that can weave out, we have selected the mode that microfluid spinning-drawing machine is combined with melt spinning machine, have passed through
Adjusting control panel carries out selection mode, develop a kind of function that can have melt spinning can prepare again it is orderly micro-
The multi-functional spinning technique flow of array.
Invention content
It is an object of the invention to solve problems and shortcomings of the existing technology, provides and a kind of preparing ordered nano-fibers
The device for spinning of array, another object of the present invention additionally provide a kind of spinning technique preparing ordered nano-fibers array, will
Melt spinning with the mode that microfluid spinning is combined invent it is a kind of not only included melt spinning institute it is functional but also can prepare
The fibre technology for going out ordered microarray prepares nanofiber using melt spinning machine pattern, is prepared using microfluid spinning pattern
Ordered microarray.It mainly solves conventional spinning method to be difficult to prepare the fiber of nano ordered microarray.Meanwhile it expanding
The application field of fiber.
The present invention is achieved by the following technical solutions：A kind of device for spinning preparing ordered nano-fibers array, by
Melt extruder, spinning pump, miniflow pump, syringe, syringe needle, controller, mobile platform, mobile platform motor, spinning head, solidification
Device, receiver, receiver motor form；Wherein receiver motor is connect with receiver by clamping device, drives receiver
Rotation is equipped with solidification equipment in the top of receiver side, has spinning head, spinning head to be welded on spinning right over solidification equipment
Pump lower section, spinning pump are mutually welded with melt extruder；There are syringe needle, syringe needle and the syringe in miniflow pump above the receiver other side
Mutually weld；Selection spinning pattern is carried out by the controller right over mobile platform machine；Controller internal wiring and recipient electricity
Machine, mobile platform motor, spinning pump, miniflow pump are connected, and receiver and receiver motor are each attached on mobile platform, mobile flat
Platform motor is connect with mobile platform by leading screw, and the rotation of mobile platform motor can drive mobile platform or so reciprocal by leading screw
Movement.
It is preferred that the syringe needle of syringe is 0.1~0.2mm at a distance from receiver.
It is preferred that the inner and outer diameter of spinning head is respectively 0.3-1mm and 0.4-1.2mm.
The present invention also provides the spinning techniques that ordered nano-fibers array is prepared using above-mentioned device for spinning, specific
Steps are as follows：
(a) spinning pattern is adjusted by adjusting control device, is first melt spinning by spinning mode tuning, and in controller
The flow velocity of temperature (being set according to different polymer melting temperatures) and spinning pump that polymer melts is adjusted on panel, then
Can spinning polymer particle poured into from melt extruder entrance, so that polymer melted by heating is become melt, melt will flow through spinning
It pumps and squeezes into spinning head, form liquid stream, thread carries out being solidified into fiber, pass through by the solidification equipment below spinning head
The effect of tractive force winds fiber on the receiver；Start mobile platform motor and receiver motor, receiver motor drives
Silk is received in receiver rotation, and the rotation of mobile platform motor drives the mobile platform on its left side to move, makes on receiver by lead screw
Silk pair-wise offset, forms orderly fiber array, drives receiver to move back and forth by mobile platform, so that silk is layering, shape
Film forming；
Either
(b) spinning pattern is adjusted by adjusting control device, is microfluid spinning pattern by spinning mode tuning, then uses
Solvent polymer is dissolved into spinning solution and be encased in miniflow pump in syringe in, make syringe needle at recipient
It is fixed, the rate of miniflow pump, mobile platform motor and receiver motor is then set by controller；When poly- from syringe needle outflow
Thing liquid drop is closed until when it contacts receiver, is wound fiber on the receiver by the effect of tractive force；Start mobile platform
Motor and receiver motor, receiver motor drive receiver rotation to receive silk, and the rotation of mobile platform motor drives it by lead screw
The mobile platform on the left side moves, and makes the silk pair-wise offset on receiver, forms orderly fiber array, driven by mobile platform
Receiver moves back and forth, and silk can be made to be layering, form orderly tunica fibrosa；
Either
(c) step (a) is first completed, step (b) is further continued for, makes (a) (b) two kinds of spinning mode combinations.
It is preferred that the polymer is polyvinylpyrrolidone (PVP), polymethyl methacrylate (PMMA), polylactic acid
(PLA), polyethylene cyanogen (PVA), thermoplastic polyurethane (tPU) or Sodium Polyacrylate；The solvent has ethyl alcohol, chloroform, dichloro
First, acetone or water.
Preferred molten spinning temperature is controlled at 100-300 degrees Celsius.
It is preferred that the mass concentration range of polymer is in 20-35% in spinning solution.
It is preferred that the flow control of miniflow pump is in 0.1-5ml/h.
It is preferred that the speed of rotation setting of receiver motor is in 500-9000r/s, mobile platform motor speed is arranged in 500-
10000μm/s。
The fibre diameter that the present invention is spun is at 100nm-10 μm.
Advantageous effect：
The present invention is a kind of spinning technique preparing ordered nano-fibers array, can carry out melt spinning but also carry out micro-
Fluid spinning technique, to prepare orderly nanofiber array, solve that existing spinning technique spinning has a single function asks
Topic.This technological process not only saves lab space, saves experimental cost, but also is of great significance for experimental study.
Description of the drawings
Fig. 1 is a kind of flow chart for the spinning technique preparing ordered nano-fibers array；Wherein 1. melt extruders, 2. spin
Silk pump, 3. miniflows pump, 4. syringe needles, 5. controllers, 6. mobile platforms, 7. mobile platform motors, 8. spinning heads, 9. solidification equipments,
10. receiver, 11. receiver motors, 12. syringes.
Specific implementation mode
Operating mode, operating mode is selected to be divided into melt spinning pattern and miniflow spinning pattern by controller.
Embodiment 1
A kind of multi-functional device for spinning, constructional device figure are as shown in Figure 1：By melt extruder 1, spinning pump 2, miniflow pump
3, syringe needle 4, controller 5, mobile platform 6, mobile platform motor 7, spinning head 8, solidification equipment 9, receiver 10, receiver motor
11, syringe 12 forms；Wherein receiver motor 11 is connect with receiver 10 by clamping device, and receiver 10 is driven to rotate,
It is set above 10 side of receiver there are one solidification equipment 9, there is spinning head 8, spinning head 8 to weld right over solidification equipment 9
Below spinning pump 2, spinning pump 2 and 1 phase of melt extruder are welded, and have syringe needle 4 above 10 other side of receiver, syringe needle 4 with it is micro-
12 phase of syringe welding in stream pump 3；Selection spinning pattern is carried out by the controller 5 right over mobile platform machine 7；Controller
5 internal wirings are connected with recipient motor 11 and mobile platform motor 7, and receiver 10 and receiver motor 11 are each attached to movement
On platform 6, mobile platform motor 7 is connect with mobile platform 6 by leading screw, and the rotation of mobile platform motor 7 can band by leading screw
6 bilateral reciprocation of dynamic mobile platform.
Embodiment 2
We adjust spinning pattern by adjusting control device 5, are first melt spinning by spinning mode tuning, then may be used
Spinning polymer particle polylactic acid (PLA) is poured into from 1 entrance of melt extruder, and is adjusted polymer on 5 panel of controller and melted
Temperature be 170 DEG C, the flow velocity of spinning pump 2 is 0.1ml/h, and the setting of 7 rate of mobile platform motor is in 500 μm/s, receiver electricity
11 rate 500r/s of machine makes polymer P LA melted by heating become melt, the spinning that melt will flow through be connected on the right of melt spinning machine
Silk pump 2 is simultaneously driven into spinning head 8 (internal-and external diameter of spinning head is respectively 0.3mm, 0.5mm) below, forms liquid stream,
Thread carries out being solidified into fiber in slinning cabinet outflow by the solidification equipment 9 below spinning head 8, will by the effect of tractive force
Fiber is wrapped on the receiver of 9 lower section of solidification equipment.Finally, start the mobile platform motor 7 and receiver 10 of most lower right
The receiver motor 11 on the left side, receiver motor 11 drive the rotation of receiver 10 to receive silk, and the rotation of mobile platform motor 7 passes through lead screw
It drives the mobile platform 6 on its left side to move, makes the silk pair-wise offset on receiver 10, form orderly fiber array, pass through shifting
Moving platform 6 drives receiver 10 to move back and forth, and silk can be made to be layering, and forms film.The fibre diameter spun is at 4 μm -10 μm.
Embodiment 3
We adjust spinning pattern by adjusting control device 5, are first melt spinning by spinning mode tuning, then may be used
Spinning polymer particle polymethyl methacrylate (PMMA) is poured into from 1 entrance of melt extruder, and is adjusted on 5 panel of controller
The temperature that polymer melts is 120 DEG C and the flow control of spinning pump 2 is in 3ml/h, and the setting of 7 rate of mobile platform motor exists
2000 μm/s, 11 rate 4000r/s of receiver motor, polymer P MMA melted by heating is made to become melt, melt will be flowed through and be melted
Melt connected spinning pump 2 on the right of spinning-drawing machine and be driven into below spinning head 8 (internal-and external diameter of spinning head is respectively 0.5mm,
In 0.7mm), liquid stream is formed, thread is solidified into slinning cabinet outflow by the solidification equipment 9 below spinning head 8
Fiber is wrapped on the receiver of 9 lower section of solidification equipment by fiber by the effect of tractive force.Finally, start most lower right
The receiver motor 11 on 10 left side of mobile platform motor 7 and receiver, receiver motor 11 drive the rotation of receiver 10 to receive silk, move
The rotation of moving platform motor 7 drives the mobile platform 6 on its left side to move by lead screw, makes the silk pair-wise offset on receiver 10, shape
At orderly fiber array, drives receiver 10 to move back and forth by mobile platform 6, silk can be made to be layering, form film.It is spun
Fibre diameter at 2 μm -4 μm.
Embodiment 4
Our controllers 5 adjust spinning pattern, are first melt spinning by spinning mode tuning, then can spinning polymer
Thermoplastic polyurethane (tPU) is poured into from 1 entrance of melt extruder, and the temperature of polymer melting is adjusted on 5 panel of controller
For 300 DEG C and spinning pump 2 flow control in 5ml/h, the setting of 7 rate of mobile platform motor is in 6000 μm/s, receiver electricity
Machine 11 rate 8000r/s, makes polymer P MMA melted by heating become melt, and melt will flow through and be connected on the right of melt spinning machine
Spinning pump 2 is simultaneously driven into spinning head 8 (internal-and external diameter of spinning head is respectively 0.9mm, 1.0mm) below, and it is thin to form liquid
Stream, thread carry out being solidified into fiber in slinning cabinet outflow by the solidification equipment 9 below spinning head 8, pass through the work of tractive force
It is wrapped on the receiver of 9 lower section of solidification equipment with by fiber.Finally, start the mobile platform motor 7 of most lower right and receive
The receiver motor 11 on 10 left side of device, receiver motor 11 drive the rotation of receiver 10 to receive silk, and the rotation of mobile platform motor 7 passes through
Lead screw drives the mobile platform 6 on its left side to move, and makes the silk pair-wise offset on receiver 10, forms orderly fiber array, leads to
Crossing mobile platform 6 drives receiver 10 to move back and forth, and silk can be made to be layering, and forms film.The fibre diameter spun is in 1 μm of -2 μ
m。
Embodiment 5
We adjust spinning pattern by adjusting the controller 5 in upper right side in device for spinning figure, first by spinning pattern tune
Section is microfluid spinning pattern, then uses water that Sodium Polyacrylate is dissolved into spinning solution as solvent and is added in miniflow pump 3
It in syringe, and is clamped on miniflow pump 3, so that syringe needle 4 is fixed at collector 100.1mm, then pass through
It is 5ml/h, 10000 μm/s of mobile platform motor speed and receiver motor speed 9000r/ that controller, which sets miniflow pump rate,
s；When from syringe needle (internal-and external diameter of syringe needle is respectively 0.9mm, 1.1mm), outflow polymer drop until when it contacts receiver 7,
Fiber is wrapped on the receiver of 9 lower section of solidification equipment by the effect of tractive force.Finally, the movement for starting most lower right is flat
The receiver motor 11 on 10 left side of platform motor 7 and receiver, receiver motor 11 drive the rotation of receiver 10 to receive silk, mobile platform
The rotation of motor 7 drives the mobile platform 6 on its left side to move by lead screw, makes the silk pair-wise offset on receiver 10, is formed orderly
Fiber array, by mobile platform 6 drive receiver 10 move back and forth, silk can be made to be layering, form orderly tunica fibrosa.Institute
The fibre diameter of spinning is at 500nm-1 μm.
Embodiment 6
We adjust spinning pattern by adjusting the controller 5 in upper right side in device for spinning figure, first by spinning pattern tune
Section be melt spinning, then can spinning polymer particle polyvinylpyrrolidone (PVP) poured into from 1 entrance of melt extruder, and
The flow velocity 0.1 (ml/h) that the temperature that polymer melts is 100 DEG C and spinning pump 2, mobile platform are adjusted on 5 panel of controller
The setting of 7 rate of motor makes polymer P VP melted by heating become melt in 2000 μm/s, 11 rate 4000r/s of receiver motor,
Melt will flow through and the spinning pump 2 that is connected on the right of melt spinning machine and be driven into the (internal-and external diameter of spinning head of spinning head 8 below
Respectively 0.5mm, 0.6mm) in, liquid stream is formed, thread is in slinning cabinet outflow by the solidification equipment below spinning head 8
9 carry out being solidified into fiber, and fiber is wrapped on the receiver of 9 lower section of solidification equipment by the effect of tractive force.Finally, start
The receiver motor 11 on 10 left side of mobile platform motor 7 and receiver of most lower right, receiver motor 11 drive receiver 10
Silk is received in rotation, and the rotation of mobile platform motor 7 drives the mobile platform 6 on its left side to move, makes the silk on receiver 10 by lead screw
Pair-wise offset forms orderly fiber array, drives receiver 10 to move back and forth by mobile platform 6, silk can be made to be layering,
After forming film.Device for spinning chart-pattern is adjusted again and is adjusted to microfluid spinning pattern, then uses organic solvent ethyl alcohol by polymer
PVP dissolves to be formed in the syringe that spinning solution is added in miniflow pump 3, and is clamped on miniflow pump 3, and syringe needle is made
First 4 fix at the 0.2mm of collector 10, then set miniflow pump rate by controller as 3ml/h, mobile platform electricity
5000 μm/s of machine rate and receiver motor speed 8000r/s；When from syringe needle (internal-and external diameter of syringe needle is respectively 0.9mm,
1.0mm), fiber is wrapped in solidification equipment by outflow polymer drop until when it contacts receiver 7 by the effect of tractive force
On the receiver of 9 lower sections.Finally, start the receiver motor 11 on 10 left side of mobile platform motor 7 and receiver of most lower right,
Receiver motor 11 drives the rotation of receiver 10 to receive silk, and the rotation of mobile platform motor 7 drives the movement on its left side flat by lead screw
Platform 6 moves, and makes the silk pair-wise offset on receiver 10, forms orderly fiber array, and receiver 10 is driven by mobile platform 6
It moves back and forth, silk can be made to be layering, form orderly tunica fibrosa.This just forms it into orderly and unordered shared tunica fibrosa.Institute
The fibre diameter of spinning is at 100nm-5 μm.
Claims (10)
1. a kind of device for spinning preparing ordered nano-fibers array, by melt extruder (1), spinning pump (2), miniflow pump (3),
Syringe (12), syringe needle (4), controller (5), mobile platform (6), mobile platform motor (7), spinning head (8), solidification equipment
(9), receiver (10), receiver motor (11) composition；Wherein receiver motor (11) passes through clamping device with receiver (10)
Connection, drive receiver (10) rotate, receiver (10) side top be equipped with solidification equipment (9), solidification equipment (9) just
Top has spinning head (8), spinning head (8) to be welded below spinning pump (2), and spinning pump (2) is mutually welded with melt extruder (1)；
There are syringe needle (4), syringe needle (4) mutually to be welded with the syringe (12) in miniflow pump (3) above receiver (10) other side；Pass through movement
Controller (5) right over platform machine (7) carries out selection spinning pattern；Controller (5) internal wiring and recipient motor (11),
Mobile platform motor (7), spinning pump (2), miniflow pump (3) are connected, and receiver (10) and receiver motor (11) are each attached to shifting
On moving platform (6), mobile platform motor (7) is connect with mobile platform (6) by leading screw, and mobile platform motor (7) rotation passes through
Leading screw can drive mobile platform (6) bilateral reciprocation.
2. device for spinning according to claim 1, it is characterised in that the syringe needle (4) of syringe (12) and receiver (10)
Distance is 0.1~0.2mm.
3. device for spinning according to claim 1, it is characterised in that the inner and outer diameter of spinning head (8) is respectively 0.3-1mm
And 0.4-1.2mm.
4. preparing the spinning technique of ordered nano-fibers array, specific steps using device for spinning as described in claim 1
It is as follows：
(a) spinning pattern is adjusted by adjusting control device (5), is first melt spinning by spinning mode tuning, and in controller
(5) on panel adjust polymer melt temperature and spinning pump (2) flow velocity, then can spinning polymer particle from melting squeeze
Go out machine (1) entrance to pour into, polymer melted by heating is made to become melt, melt will flow through spinning pump (2) and squeeze into spinning head (8)
In, liquid stream is formed, thread carries out being solidified into fiber by the solidification equipment (9) below spinning head (8), passes through tractive force
Fiber is wrapped on receiver (10) by effect；Start mobile platform motor (7) and receiver motor (11), receiver motor
(11) it drives receiver (10) to rotate and receives silk, mobile platform motor (7) rotates the mobile platform (6) for driving its left side by lead screw
It is mobile, make the silk pair-wise offset on receiver (10), form orderly fiber array, receiver is driven by mobile platform (6)
(10) it moves back and forth, silk is made to be layering, form film；
Either
(b) spinning pattern is adjusted by adjusting control device (5), is microfluid spinning pattern by spinning mode tuning, then uses
Polymer is dissolved into spinning solution and is encased in the syringe that miniflow pumps in (3) by solvent, and syringe needle (4) is made to lean on proximity
Receiver is fixed at (10), then sets miniflow pump (3), mobile platform motor (7) and receiver motor by controller (5)
(11) rate；It, will be fine by the effect of tractive force when flowing out polymer drop up to its contact receiver (10) from syringe needle
Dimension is wrapped on receiver (10)；Start mobile platform motor (7) and receiver motor (11), receiver motor (11) drive connects
It receives device (10) and rotates receipts silk, mobile platform motor (7) rotation drives the mobile platform (6) on its left side mobile, makes to connect by lead screw
The silk pair-wise offset on device (10) is received, orderly fiber array is formed, drives receiver (10) back and forth to transport by mobile platform (6)
It is dynamic, silk can be made to be layering, form orderly tunica fibrosa；
Either
(c) step (a) is first completed, step (b) is further continued for, makes (a) (b) two kinds of spinning mode combinations.
5. spinning technique according to claim 4, it is characterised in that the polymer is polyvinylpyrrolidone, poly- first
Base methyl acrylate, polylactic acid, polyethylene cyanogen, thermoplastic polyurethane or Sodium Polyacrylate；The solvent have ethyl alcohol, chloroform,
Dichloromethane, acetone or water.
6. spinning technique according to claim 4, it is characterised in that spinning temperature is controlled at 100-300 degrees Celsius.
7. spinning technique according to claim 4, it is characterised in that the mass concentration range of institute's spinning polymer is in 20-
35%.
8. spinning technique according to claim 4, it is characterised in that the flow control of miniflow pump is in 0.1-5ml/h.
9. spinning technique according to claim 4, it is characterised in that the speed of rotation of receiver motor is arranged in 500-
9000r/s, mobile platform motor speed are arranged in 500-10000 μm/s.
10. spinning technique according to claim 4, it is characterised in that the fibre diameter spun is at 100nm-10 μm.
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