CN104178830B - The continuously trapping system of centrifugal electrostatic spinning nano fiber - Google Patents
The continuously trapping system of centrifugal electrostatic spinning nano fiber Download PDFInfo
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- CN104178830B CN104178830B CN201410398779.7A CN201410398779A CN104178830B CN 104178830 B CN104178830 B CN 104178830B CN 201410398779 A CN201410398779 A CN 201410398779A CN 104178830 B CN104178830 B CN 104178830B
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Abstract
The present invention relates to the continuously trapping system of a kind of centrifugal electrostatic spinning nano fiber, it is characterized in that including that some groups are evenly distributed on the collecting mechanism that spinning nano fibre mechanism is peripheral, often group collecting mechanism includes the collection band that drive mechanism drives, the position that described collection band exports corresponding to the molten material in described spinning nano fibre mechanism is main collection portion, and the angle between the rotation axis of the rotating cup in described main collection portion place plane and described spinning nano fibre mechanism is a:0≤a≤45 degree.The invention have the benefit that collecting band is vertically provided at the periphery of rotating cup, it is possible to collect the fiber cloth of uniform thickness, it is to avoid cutting, improve stock utilization.Centrifugal spinning is organically blent with electrostatic spinning technique, it is possible to obtain the benefit that the efficiency of centrifugal spinning is high, the benefit collecting nanofiber that the degree of order is controlled can be obtained again.
Description
Technical field
The present invention relates to the continuously trapping system of a kind of centrifugal electrostatic spinning nano fiber.
Background technology
Qingdao Zhong Kehaotai new material Science and Technology Ltd. and the application for a patent for invention (name of Beijing University of Chemical Technology's co-applications
Be referred to as " a kind of differential shunting centrifugal spinning prepares the device of nanofiber ", Application No. " 201310163308.3 ") in have
One taper seat rotated, makes the solution form transition to film, has groove in the outer of taper seat, at groove, and solution film quilt
Tear into thread.The radial distribution radially of described groove, each groove only has a solution inlet port and a taphole,
Affect spinning efficiency and be difficult to nano level spinning.And fiber is collected and is carried the main collection band portion corresponding to taphole
Place plane vertical with the rotation axis of rotary body (tiling of the most main collection band portion is arranged on below rotary body), meanwhile, taper seat
On the rotation axis of taphole direction and rotary body have a certain size angle, collected nanofibers is collecting band
Mid portion the thickest, and the thinnest on limit (as shown in Figure 5), the problem that there is became uneven, need to dismiss on limit relatively thin during use
Part, and then affect utilization rate, there is waste.
Patent application (entitled " the Apparatuses and methods for the deposition of of one U.S.
Nanofibers on substrate " application publication number is " US20120295021A1 "), the defect that its technical scheme exists:
1, the moving direction of ground (substrate is equivalent to the collection band in the application) and the rotation axis of spinning rotating disk are collected
Being vertical, (tiling of the most main collection band portion is arranged on below rotary body), collected nanofibers is collecting the centre of band
Part is the thickest, and the thinnest on limit (as shown in Figure 5), the problem that there is became uneven, thinner part on limit need to be dismissed during use, enter
And affect utilization rate, there is waste.2, nozzle needle or nozzle are identical at the endoporus cross sectional dimensions radially of spinning rotating disk, molten
Material enters into nozzle needle or nozzle until arrival outlet is thrown out of its hole size and is not changed in, only with centrifugal force by molten
Expecting to extrude to the cylindrical that diameter is big from inner circle, do not make molten material extrude from the outlet more than import volume, the molten material of spinning does not enter
One step, by sub-wire, affects the fineness of silk;3, after the silk being thrown out of hangs over column that is static and that stand in rotating disk periphery, by rotation
The syringe needle turned moves generation drawing process, easy stretch broken fiber silk relative to column, causes cellosilk in disorder, and effect is collected in impact
Really.
Summary of the invention
It is an object of the invention to solve the problems referred to above and a kind of centrifugal electrostatic spinning nano fiber is provided collect dress continuously
Putting, change prior art main collection portion being laid in the scheme below rotating cup is that main collection portion is vertically provided at outside rotating cup, and
It is uniform that angle between main collection portion place plane and the rotation axis of rotating cup is that thickness can be collected in a:0≤a≤45 degree
Fiber cloth, it is to avoid the fiber cloth problem that there is the thin thick middle in both sides collected occurs.
The present invention solves prior art problem and be the technical scheme is that the continuous collection of centrifugal electrostatic spinning nano fiber
Device, it is characterised in that include that some groups are evenly distributed on the collecting mechanism that spinning nano fibre mechanism is peripheral, often organize collecting mechanism
The collection band driven including drive mechanism, the position that described collection band exports corresponding to the molten material in described spinning nano fibre mechanism
It is main collection portion, between the rotation axis of the rotating cup in described main collection portion place plane and described spinning nano fibre mechanism
Angle is a:0≤a≤45 degree.Main collection portion is vertically arranged avoids the occurrence of inconsistent the asking of fiber cloth thickness that prior art is collected
Topic.In order to solve this problem in prior art, it usually needs excise uneven part, waste material greatly.Main collection portion
Vertically arranged be corresponding rotating cup rotary shaft for, the most main collection portion is parallel with rotary shaft or between 0 ~ 45 degree of angle
All it is defined as vertically arranged.Angle a during slight changes, only changes cellosilk and covers at the angle collected on band between 0 ~ 45 degree of angle
Degree, can't produce impact to thickness, can collect the fiber cloth of uniform thickness equally.During regulation a angle, place, main collection portion is put down
Face rotates the angle adjusting angle a with the line parallel with the tangential direction that molten material exports for axis.
As improving further and supplementing technique scheme, the present invention uses following technical measures: also include quiet
Electricity coulomb field force generating means, described statcoulomb field force generating means makes described rotating cup periphery there is electrostatic field, makes every
The outlet of individual described molten material is charged and is in high potential, makes main collection portion be in low potential.Height is formed between high potential and low potential
Pressure electrostatic field, and the Coulomb force that high-voltage electrostatic field produces, make cellosilk advance straight, it is possible to receiving of the degree of order controlled collection spinning
The filametntary walking path of rice, it is to avoid occur that the most elegant unordered situation of nanofibers (or is rephrased the statement, it is to avoid produce
Unstable three-dimensional whip moves phenomenon).
The back side, described main collection portion arranges high pressure polarity plate, and described statcoulomb field force generating means makes molten material exit
Charged polarity and the charged opposite polarity of high pressure polarity plate.Make owing to collecting the isolation material such as band usually belt, it is impossible to enough
The most charged, to the most charged, then need to use metal material, manufacturing cost certainly will be promoted, nor easily use winding
Mode collect, therefore use the mode of high pressure polarity strip electricity, make rotating cup and collect between the high pressure polarity plate be close to of band
Form high-voltage electrostatic field.
Described high pressure polarity plate is provided with a plurality of air vent, corresponding to being provided with axial-flow type wind at described high pressure polarity plate
Fan.The cellosilk controlling further to be thrown out of is to collecting the walking path carried, and shortens filametntary hardening time.
Collecting for convenience, and be wound into a roll, often the one end collecting band on group collecting mechanism ties up on a drive roll, separately
One end is fixed and is wrapped on driven roll.
In order to make collection tape travel good, and the fiber cloth collected is prevented to be affected by gravity appearance slip on collection band
Phenomenon, described main collection portion is respectively arranged at two ends with for the guiding playing the guiding role main collection portion roller.Guide bars is to receipts
Collection band guides, and gripping fibers film, it is to avoid landing.
In order to enable different collecting mechanisms to collect the fiber cloth of different-thickness, often organize described collecting mechanism
Respectively by a power-driven mechanism drive transmission device.Often group collecting mechanism independently controls to collect Tape movement speed, reaches to receive
The purpose of collection different-thickness fiber cloth.
Described spinning nano fibre mechanism includes the rotating cup driven by drive mechanism, hamper bezel ring, on rotating cup;Institute
The rotating cup stated includes the molten material portion of hollow columnar, is positioned at the molten material film molding anchor ring of upper end, molten material portion, is external in molten material film
The annular spinning portion of type anchor ring outer, described spinning portion is provided with the plural groups spinning tank of emitting shape distribution, often group spinning tank bag
Including some passages exported containing molten material entrance and molten material, each passage bifurcated in the region in spinning portion is two or more
The passage of narrowed width, the crotch of passage forms V-arrangement slitting unit, for cutting in the channel by the centrifugal molten material thrown away
Film, makes molten material film slitting become the nanofibers of narrowed width.In spinning portion, each molten material entrance is the most corresponding multiple molten
Material outlet, forms V by spinning tank guide, the crotch of passage between each corresponding molten material entrance and a molten material outlet
Shape slitting unit, for cutting in the channel by the centrifugal molten material film thrown away, makes molten material film slitting become the Nanowire of narrowed width
Dimension silk, greatly improves sub-wire efficiency, concurrently forms satisfactory nanofibers, additionally, molten material Way out and rotating cup
Rotation axis is vertical, makes cellosilk collect vertically arranged continuous in main collection portion by centrifugal force and/or statcoulomb field force
In collection device, make the fiber cloth consistency of thickness collected.
Conventionally, in the plane or inclined-plane of spinning rotating disk along radially-arranged spray groove or
The entrance number of nozzle needle is n6.And it is in spinning rotating disk outer, also it is that the outlet number of radially-arranged spray groove or nozzle needle is
n8.What the technology enumerated in background technology can be unified is summarized as: n6= n8.Most typically nozzle needle structure, its entrance is to going out
Aperture size between Kou is unchanged, the gesture that the molten material under centrifugal action circumferentially spreads at Kong Zhongyou or sprawls
Can be limited by constant aperture size, centrifugal action is not brought into play fully, centrifugal force simply plays molten material
Being extruded into filametntary effect, the cellosilk of formation can not or be difficult to reach nanoscale, i.e. can not make full use of centrifugal force
Diffusion or sprawl molten material and cut molten material and form the nanofibers of enough fineness.One spy of present patent application technology
Point is to use n6< n8Centrifugal spinning technology, n6< n8The most just having the bifurcated concept of radial passage, spinning tank includes radially
Passage and fission passage, radial passage refers to the yi word pattern part of the foot of " Y ", and the fission passage connected with radial passage refers to
" V " font part of the head of " Y ".Present patent application is based on the concept foundation of the bifurcated of radial passage, along
The spinning tank of the radially-arranged connection having multiple " Y " font plain splice pattern, and wish that the cellosilk being thrown out of is close to receiving
Meter ruler cun, that reduces nanofiber forms the dependence to drawing process.And, the most corresponding multiple molten material of each molten material entrance export
Mode centrifugal spinning, efficiency is high.
Described molten material Way out is vertical with rotating cup rotation axis, and the annular of described molten material Way out and this position
The tangential direction in spinning portion is vertical.Making full use of centrifugal force, the direction making cellosilk export out from molten material does not changes, and keeps former
Have path to advance, i.e. the radial direction away from direction, the center of circle is advanced.
Described molten material film molding anchor ring is the frustum face (or being referred to as the inclined-plane of falling umbrella) that lower end diameter is less than upper end diameter.Adopt
Use frustum face, make between molten material portion as obtuse angle transition, it is to avoid occur that the problem of molten material film is cut off in right angle transition, make molten material film even
Continue and do not rupture, the problem the most effectively avoiding spinning phase fracture of wire, improve spinning quality.
Processing for convenience, consistent also for the nanofiber filament diameter exporting out from each molten material, described passage has
There is the passage of SYMMETRIC BIFURCATION.Certainly, do not have symmetrical, require nothing more than molten material outlet size consistent, i.e. can reach present patent application
The purpose of solution problem.
Described passage has two grades or the two grades passages with upper bifurcation.When being two grades, each described molten material entrance correspondence four
Individual molten material exports.When being three grades, corresponding eight the molten material outlet of each described molten material entrance.Can be according to spinning cellosilk fineness and ring
Depending on the size in shape spinning portion.
Molten material is made only to enter from molten material entrance, export out from molten material, it is to avoid to reveal from channel side wall, described spinning portion
Fit with the outer rim contact surface of bezel ring,.Clear up passage for convenience, it is to avoid blocking, described spinning portion passes through in joint place with bezel ring,
Connector connects.During cleaning, pull down bezel ring, make that passage is exposed to be carried out.
The invention have the benefit that collecting band is vertically provided at the periphery of rotating cup, it is possible to collect the fibre of uniform thickness
Wei Bu, it is to avoid cutting, improves stock utilization.Centrifugal spinning is organically blent with electrostatic spinning technique, it is possible to obtain
The benefit that the efficiency of centrifugal spinning is high, can obtain again the benefit collecting nanofiber that the degree of order is controlled.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is a kind of structural representation of reality of the present invention application.
Fig. 3 is the plan structure schematic diagram in Fig. 1 direction.
Fig. 4 is the plan structure schematic diagram of the rotating cup in Fig. 1 direction.
Fig. 5 is that prior art collects filametntary structural representation.
Detailed description of the invention
The present invention is further illustrated with detailed description of the invention below in conjunction with the accompanying drawings.
Embodiment: the continuously trapping system of centrifugal electrostatic spinning nano fiber, as it is shown in figure 1, include that some groups are uniformly distributed
At the collecting mechanism that spinning nano fibre mechanism is peripheral, often group collecting mechanism includes the collection band 12 that drive mechanism drives, described receipts
Collecting with 12 positions corresponding to the molten material outlet 8 in described spinning nano fibre mechanism is main collection portion 121, institute of described main collection portion
Angle between the rotation axis of the rotating cup 21 in plane and described spinning nano fibre mechanism is a:0≤a≤45 degree.Described
Collection portion 121(moving direction is 11) place plane adjusts to rotate for axis with the parallel line of tangential direction of molten material outlet 8
The angle of angle a.
Centrifugal electrostatic continuous spinning nano fibre mechanism also includes that the statcoulomb field force being arranged on periphery, annular spinning portion 7 is sent out
Generating apparatus, described statcoulomb field force generating means makes periphery, described annular spinning portion 7 there is electrostatic field, each described molten material
Export 8 charged and be in high potential.Making the collection band on described continuously trapping system be in low potential, each described molten material goes out
There is electric potential difference in mouth 8 and described collection, forms electrostatic field between band.
Implement for convenience, make collection band be in low potential, high pressure polarity on described statcoulomb field force generating means
Plate 13 is arranged on the back side in the collection portion collecting band, and described statcoulomb field force generating means makes molten material export the belt electrode at 8
Property with the charged opposite polarity of high pressure polarity plate 13.Meanwhile, in order to accelerate cool and solidify cellosilk and control further to be thrown out of
Cellosilk to collect band walking path, described high pressure polarity plate 13 is provided with a plurality of air vent, corresponding to described high pressure
Tube-axial fan 26 it is provided with at polarity plate 13.
Continuously collecting mechanism is illustrated in figure 3 eight groups, but is also not limited to eight groups, can be six groups, seven groups, nine groups, ten
Group ....As it is shown in figure 1, often organize continuous collecting mechanism to include drive roll 25, driven roll 24, one end ties up on drive roll, another
The collection band 12 that end is fixed and is wrapped on driven roll, it addition, the position of drive roll 25 and driven roll 24 can exchange.Spin along rotation
Multiple collection bands composition polygon that silk portion periphery is arranged, this polygonal external diameter of a circle is more than the overall diameter in spinning portion.
The translational speed collecting band on each limit polygonal can be different.The guiding of the fixing collection band movement locus arranged is to roller
The connecting line of the axis of 23 is also in polygon.
Described main collection portion is respectively arranged at two ends with for collection portion acting the guiding guiding also clamping action to roller 23.
The fiber cloth of different-thickness, the often collection described in group can be collected to control respectively often to organize collection device
Mechanism is driven by a power-driven mechanism respectively.
The continuously trapping system of centrifugal electrostatic spinning nano fiber also includes spinning nano fibre mechanism, described spinning nano fibre
Mechanism includes the rotating cup 21 driven by drive mechanism, hamper the bezel ring, 5 being connected on rotating cup 21 by connector;Described
Rotating cup 21 include the molten material portion 1 of hollow columnar, being positioned at the molten material film molding anchor ring 2 of upper end, molten material portion 1, being external in molten material film
The annular spinning portion 7 of molding anchor ring 2 outer, described spinning portion 7 is provided with the plural groups spinning tank 19 of emitting shape distribution, and often group is spun
Silk groove 19 include some export containing molten material entrance 6 and molten material 8 passage, each passage bifurcated in the region in spinning portion 7 is two
Individual or the passage of plural narrowed width, the crotch of passage forms V-arrangement slitting unit, is used for cutting and is centrifuged in the channel
The molten material film thrown away, makes molten material film slitting become the nanofibers of narrowed width.Often the bifurcated passage on group spinning tank 19 is
Symmetrically arranged.In order to make often to organize the sealing of spinning tank 19 sidewall, only there is molten material entrance 6 and molten material outlet 8, spinning portion 7 and lid
The outer rim contact surface laminating of ring 5.Clearing up passage for convenience, bezel ring, 5 is dismountable, is fixed on spinning portion 7 by connector
On.
Bifurcated all forms Y type passage each time, and the minimum diameter of Y type passage can accomplish 0.1 millimeter.According to existing skill
The nozzle needle structure of art, owing to nozzle needle is elongated, wants to accomplish that diameter of bore 0.1 millimeter is difficult, even if accomplishing, once
Hole is blocked, and nozzle needle cannot employ.The benefit using spinning tank is easy for cleaning, and (only need to be pulled down by bezel ring, 5, passage is the most naked
Dew, easily cleans, and stops blocking), improve the service life of spinning tank.The fineness of molten material film molding anchor ring and spinning tank is suitable
Reduce, increase roughness, it is therefore an objective to increase melt and the frictional force between them, and make molten material film by the increase of centrifugal force
Thickness reduce.V-arrangement slitting unit is self-assembling formation in the technical process of milling cutter groove milling, and most advanced place is less than 0.05 millimeter.
The molten material outlet that one molten material exports, differs from it by the position of 180 ° can be on a Plane of rotation, it is also possible to
Not on a Plane of rotation.
Spinning nano fibre mechanism also includes the feed mechanism to rotating cup 21 feed, and feed mechanism is included in the interior of bezel ring, 5
The feed pipe 17 arranged in annular region between edge and molten material portion rotary shaft and the liquid level probe signal line tied up on feed pipe,
Feed pipe 17 can be more than one, when feed pipe is more than one, it is possible to realize the spinning of composite.
As shown in Figure 4, corresponding four the molten material outlet of each molten material entrance, correspondence eight and above molten material export also certainly
Being feasible, corresponding four molten material outlet has met the condition of spinning nano fibre silk the most under normal circumstances.Same, passage is the
Forming three branches, bifurcated Chu Liangge branch again of the most each branch during bifurcated, such scheme is also feasible, and this is specially
Profit application is not precluded from.Use 2nMode bifurcated, be to process for convenience.
Specifically, described molten material film molding anchor ring 2 is less than the frustum face of upper end diameter for lower end diameter.
In order to not change cellosilk moving direction, the direction 10 of described molten material outlet 8 is vertical with rotating cup 21 rotation axis,
Meanwhile, the molten material wire vent direction of described molten material outlet 8 is vertical with the tangential direction 9 of molten material outlet 8
Control degree of heat, described molten material portion 1, molten material film molding anchor ring 2 and 7 points of spinning portion of annular the most respectively
Not arranging a heating arrangements certain, above-mentioned three parts are also feasible by the heating of same heating arrangements;Corresponding to described molten
A liquid level probe is also set up at material film molding anchor ring 2.This heating arrangements is for controlling the solidification temperature after silk is thrown out of.At melt-spun
Time, for maintaining molten material portion and the temperature of molten material film molding anchor ring, it is ensured that the mobility of melt and the viscosity of appropriateness.Placing liquid
During the probe of face, close proximity to the position spraying groove entrance that liquid level film thickness is the thinnest.The effect of this probe is, by probe signal control
Make molten material to amount so that in continuous spinning process, no matter which kind of material is spun, in some position of molten material film molding anchor ring
On the thickness of liquid level film be fixing.Each material is along with the difference of temperature, and its viscosity is different, and feed flow velocity is different, but
It is the thickness at the liquid level film spraying groove porch, it is desirable to be close, be so easy to determine relevant technological parameter.In solvent-spun
Time, heating arrangements is for maintaining molten material to enter into rotating cup and the temperature of molten material film molding anchor ring, it is ensured that the mobility of melt and
The viscosity of appropriateness, and control the solidification temperature after cellosilk is thrown out of.
As in figure 2 it is shown, in actual applications, also including casing 35, the rotary shaft 16 in drive mechanism 18 is through casing 35
Driving rotating cup, the carbon brush 29 of CONTACT WITH FRICTION therewith is arranged at the bottom of rotating cup, and carbon brush 29 is arranged on carbon brush holder 28, carbon brush holder
Bottom is insulating base 27, and around molten material portion, annular infrared heating pipe 31 and annular are arranged at the bottom with molten material film molding anchor ring
Add the fixing device 30 of heat pipe.Collect band penetrate in the aperture slots of the casing of falling cup-shaped 35 and pass, in centrifugal force, tangential force
With under the effect of the Coulomb force of high-voltage electrostatic field, it is collected in an orderly manner on collection band 12.
During work, the molten material of suitable feed rate makes it start at inwall upper end, molten material portion 3 under centrifugal action
Through molten material film molding anchor ring 2 gradually thinning formation molten material film 4.Molten material film 4, through spinning portion 7, makes molten material film 4 exist step by step
Slitting and the effect progressively strengthened of centrifugal force on circumferencial direction so that the filametntary cross section cut into is constantly
Reduce.Cellosilk is after molten material outlet 8 is thrown out of, because molten material exports with DC high-voltage, quiet on the fiber silk ribbon being thrown out of
Electricity electric charge, again by the effect of statcoulomb field force, attracted to collect on band so that the outlet of molten material and the silk quilt collected between band
Continuously elongated.
When main collection portion tilts 45 degree relative to the angle of the axis of spinning rotary shaft, then collect and collect with on 12
Fiber also can occur the deflection of 45 degree with the angle collected with the length direction of 12.Again by relative for the collection band of collecting fiber
The angle of inclination of the axis of spinning rotary shaft tilts 45 degree towards another one direction, then through twice collection, collects on band 12
Fiber just have two-layer, the trend of this two-layer fiber substantially differs 90 degree, thus formed common one-tenth 90 degree intersect longitude and latitude
Line structure.
As it is shown in figure 5, in prior art, collect band tiling and be arranged on the lower section of rotating cup.During collection, pushing away over time
Moving, a point and b point position progressively move to center line with the right side from center line with a left side.T=t0During the moment, a and b point all obtains once collects fibre
The chance of dimension silk.As T=t0+ t1During the moment, a point is moved to the right of rotating cup, obtains again and once collects filametntary machine
Meeting, twice totally, and the b at edge point has been walked far, there is no the chance receiving silk.Prior art this collection cellosilk causes knot
Fruit is that thick middle both sides are thin, uneven thickness.And present patent application uses the collection portion collecting band vertically arranged, it is possible to collect
Fiber cloth in uniform thickness.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention.In the above-described embodiments,
The present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, equivalent are replaced
Change, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. it is centrifuged the continuously trapping system of electrostatic spinning nano fiber, it is characterised in that include that some groups are evenly distributed on and spin Nanowire
The collecting mechanism that dimension mechanism is peripheral, often group collecting mechanism includes that the collection band (12) that drive mechanism drives, described collection carry (12)
The position exporting (8) corresponding to the molten material in described spinning nano fibre mechanism is main collection portion (121), place, described main collection portion
Angle between the rotation axis of the rotating cup (21) in plane and described spinning nano fibre mechanism is a:0≤a≤45 degree.
The continuously trapping system of centrifugal electrostatic spinning nano fiber the most according to claim 1, it is characterised in that also include quiet
Electricity coulomb field force generating means, described statcoulomb field force generating means makes described rotating cup (21) periphery there is electrostatic field,
Make each described molten material outlet (8) charged and be in high potential, making main collection portion (121) be in low potential.
The continuously trapping system of centrifugal electrostatic spinning nano fiber the most according to claim 2, it is characterised in that described main receipts
The back side, collection portion arranges high pressure polarity plate (13), and described statcoulomb field force generating means makes the charged polarity at molten material outlet (8) place
Charged opposite polarity with high pressure polarity plate (13).
The continuously trapping system of centrifugal electrostatic spinning nano fiber the most according to claim 3, it is characterised in that described high pressure
Polarity plate (13) is provided with a plurality of air vent, is provided with tube-axial fan (26) corresponding to described high pressure polarity plate (13) place.
The continuously trapping system of centrifugal electrostatic spinning nano fiber the most according to claim 4, it is characterised in that often organize collection
One end of collection band (12) in mechanism ties up on a drive roll (25), and the other end is fixed and is wrapped on driven roll (24).
The continuously trapping system of centrifugal electrostatic spinning nano fiber the most according to claim 5, it is characterised in that described main receipts
Collection portion is respectively arranged at two ends with for the guiding playing the guiding role main collection portion roller (23).
7. according to the continuously trapping system of a described centrifugal electrostatic spinning nano fiber optional in claim 1-5, its feature
It is often to organize described collecting mechanism respectively by a power-driven mechanism drive transmission device.
The continuously trapping system of centrifugal electrostatic spinning nano fiber the most according to claim 7, it is characterised in that described in spin and receive
Rice fiber mechanism includes the rotating cup (21) driven by drive mechanism, hamper bezel ring, (5) on rotating cup (21);Described rotation
Revolving cup (21) includes the molten material portion (1) of hollow columnar, is positioned at molten material film molding anchor ring (2) of molten material portion (1) upper end, is external in molten
The annular spinning portion (7) of material film molding anchor ring (2) outer, described spinning portion (7) is provided with the plural groups spinning of emitting shape distribution
Groove (19), often organizes spinning tank (19) and includes some passages exporting (8) containing molten material entrance (6) and molten material, and each passage is in spinning
In the region in portion (7), bifurcated is the passage of two or more narrowed width, and the crotch of passage forms V-arrangement slitting unit,
For cutting in the channel by the centrifugal molten material film thrown away, molten material film slitting is made to become the nanofibers of narrowed width.
The continuously trapping system of centrifugal electrostatic spinning nano fiber the most according to claim 8, it is characterised in that described molten material
Outlet (8) direction is vertical with rotating cup (21) rotation axis, and described molten material exports the annular spinning portion in (8) direction and this position
(7) tangential direction is vertical.
The continuously trapping system of centrifugal electrostatic spinning nano fiber the most according to claim 8, it is characterised in that described passage
There is the outer rim contact surface laminating of the passage of two grades or more than two grades SYMMETRIC BIFURCATION, described spinning portion (7) and bezel ring, (5), described
Spinning portion (7) is connected by connector in joint place with bezel ring, (5);Described molten material film molding anchor ring (2) is that lower end diameter is less than
The frustum face of upper end diameter.
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CA3112231A1 (en) * | 2017-09-05 | 2019-03-14 | M-Techx Inc. | Nanofiber collection device, nanofiber collection method, and nanofiber accumulation/molding apparatus and accumulation/molding method therefore |
WO2020232928A1 (en) * | 2019-05-22 | 2020-11-26 | 江苏亿茂滤材有限公司 | Centrifugal spinning apparatus and planar receiving-type centrifugal spinning automatic production device |
CN112030246A (en) * | 2020-09-30 | 2020-12-04 | 松山湖材料实验室 | Electrostatic spinning device and system |
CN115787116B (en) * | 2022-12-13 | 2024-07-12 | 武汉纺织大学 | Silk thread collecting system for centrifugal spinning |
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CN102061530B (en) * | 2010-12-17 | 2013-03-13 | 多氟多化工股份有限公司 | Centrifugal electrostatic spinning device |
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CN202369688U (en) * | 2011-11-25 | 2012-08-08 | 宜宾丝丽雅股份有限公司 | Centrifugal airflow nanofiber bundle collecting device |
CN103215666B (en) * | 2013-05-09 | 2015-05-13 | 北京化工大学 | Novel centrifugal melt electrostatic spinning device |
CN204058677U (en) * | 2014-08-13 | 2014-12-31 | 杭州大铭光电复合材料研究院有限公司 | The continuously trapping system of centrifugal electrostatic spinning nano fiber |
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