CN204738069U - Change type static spins nanofiber yarn preparation facilities - Google Patents
Change type static spins nanofiber yarn preparation facilities Download PDFInfo
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- CN204738069U CN204738069U CN201520189636.5U CN201520189636U CN204738069U CN 204738069 U CN204738069 U CN 204738069U CN 201520189636 U CN201520189636 U CN 201520189636U CN 204738069 U CN204738069 U CN 204738069U
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Abstract
The utility model relates to a change type static spins nanofiber yarn preparation facilities specifically includes: the negative pole and the positive pole of high voltage power supply (1) link to each other collector transmission (7), ring collector (6), coiling transmission (9), take -up device (8) with negative pole solution tank (2) negative pole spinning nozzle (3), anodal solution tank (4) anodal spinning nozzle (5) respectively. Negative pole solution tank (2), anodal solution tank (4) provide the dope to negative pole spinning nozzle (3) and anodal spinning nozzle (5) respectively, and under the effect of high voltage, the dope turns into nanofiber by the fibrogenesis ware to at ascending fibre awl of ring collector (6) top formation. The nanofiber yarn is followed fibre cone summit and is pulled out to by the rotatory twisting of ring collector (6), finally collect into continuous nanofiber yarn by take -up device (8). The nanofiber yarn has strong mechanical strength, can extensively be used for producing various nanofiber fabricss.
Description
Technical field
The utility model relates to a kind of electrostatic spinning nano fiber and becomes yarn feeding device, be specifically related to a kind of can serialization prepare electro-spun nanofiber yarn and twisting device, belong to electrostatic spinning apparatus field.
Background technology
Nanofiber has obtained huge popularity at last decade.They can by stretching, templated synthesis, centrifugal force spinning, self assembly, and be separated and several technology preparation of electrostatic spinning.Electrospun nanofibers causes special concern, because it has diversity, and flexibility and be easy to form uniform fiber web.Electrostatic nanofiber has huge potential various field and comprises filtration, biomedical, Drug controlled release, catalysis, sensor, protective clothing, stored energy and generation, etc.
Electrostatic nanofiber is gathered into the form of fabric nonwoven cloth usually, and intensity is little.Recent electrostatic spinning nano fiber is made into the continuous tow of twisting, i.e. nano-fibre yams, and object is three-dimensional (3D) nanofibrous structures of preparation and improves mechanical performance.(3D) nanofibrous structures likely will give New function.In some cases, can by twisting bundles of nanofibers or nanofiber bar.Or by directly using liquid bath, the surface of solids and funnel or pipe are as collector continuous seepage nano-fibre yams.
Initial report solution tank collects the bundles of nanofibers of non-twisted.The nanofiber that liquid surface deposits directly reels to obtain non-twisted fibre bundle.When eddy current produces in the bottom of liquid bath, twisting nano fibre yarn can be obtained.Liquid collection assist in removing on fiber with electric charge.But fiber morphology, composition and orientation may be subject to the impact of liquid bath, and the polymer be only not dissolved in liquid can be processed.It is also difficult to control yarn evenness and use eddy current to control the twist.
Do not use solution tank collector and directly collect electro spinning nano fiber become continuous twist yarn have height application prospect.Some reports use the surface of solids to collect the method for nano-fibre yams recently, and nano-fibre yams display improves strong mechanical performance.
Chinese invention patent application " a kind of orientation electro-spun nanofiber yarn continuous preparation device and method " (application number 201310058070.8, publication number CN103088478A), disclose a kind of orientation electro-spun nanofiber yarn continuous preparation device and method.
And other prior aries, be summarised as Fig. 1 situation.The core component of nano-fibre yams continuous preparation device comprises: spinneret, collector 60, collector transmission device 70, coiler device 8, winding transmission device 9.
As shown in Figure 1, spinneret comprises: negative pole spinneret 3 and positive pole spinneret 5.Negative pole spinneret 3 and positive pole spinneret 5 spray jet I 18, jet II 19 respectively.
Collector 60 and lever jack 21, collector 60 is metal circular pinwheel or taper shape, metal circular pinwheel is connected with one end of insulating bar, insulating bar drives rotation by motor I, metal circular pinwheel is aimed at lever jack 21 front portion metallic tip, lever jack 21 and yarn cylinder are arranged vertically mutually, and yarn cylinder drives rotation by motor II, and metal circular pinwheel, insulating bar, motor I, lever jack 21 are arranged on same center line.
The left and right sides of collector 60 and lever jack 21 is furnished with symmetrical negative pole spinneret 3 and positive pole spinneret 5.Negative pole spinneret 3 is connected with high-pressure electrostatic positive terminal 101, and positive pole spinneret 5 is connected with high-pressure electrostatic negative terminal 102.
In the process of Static Spinning yarn, nanofiber is induced in the tapered bundles of nanofibers 23 of the circumferential of funnel collector.Along with the rotation of funnel, fiber pulls out from the summit of fiber cone, and twisting forms yarn, by it around a rotary roller up-coiler.This device can control fiber/yarn diameter and the twist.Because the generation of nanofiber and reel for yarn are around being carry out at the same area, the quality of the yarn of having twisted easily is affected by spun nanofiber afterwards.Consequently form mixed structure or bending nanofiber thus reduce the quality of yarn.
Utility model content
The purpose of this utility model is, provides a kind of change type electro-spun nanofiber yarn preparation facilities, to overcome the above-mentioned shortcoming and defect existing for prior art.In order to improve spinning efficiency, nearest needleless Electrospun nano-fibers production technology starts to occur.Its output be tens times of pin spinning equipment efficiency to hundreds of times, its spinning quality also improves a lot.However, its production efficiency compares a certain distance in addition with the melt blown technology producing micrometer fibers at present, raises the efficiency the space reduced costs further in addition.Therefore the utility model is in order to solve the problem, and makes that production process is more efficient, environmental protection and safety.
The required technical problem solved of the utility model, can be achieved through the following technical solutions:
Change type electro-spun nanofiber yarn preparation facilities, is characterized in that, comprising: high voltage source, negative solution groove, negative pole spinneret, positive solution groove, positive pole spinneret, annulus collector, annulus collector transmission device, coiler device;
The negative positive two-stage of described high voltage source is connected respectively to negative pole spinneret and positive pole spinneret;
Described negative solution groove and positive solution groove are respectively to negative pole spinneret and positive pole spinneret feed flow;
Described collector transmission device is connected with annulus collector, and is arranged on the top of positive solution groove, positive pole spinneret;
Described coiler device with winding transmission device be connected, and be arranged on annulus collector above.
Wherein, described negative pole spinneret and positive pole spinneret are set to circular configuration, are connected to form, pole disc rotated by the pole in the middle of disk and disk; The diameter of disk is at 5 millimeters ~ 300 millimeters, and the edge thickness of disk is at 0.2 millimeter ~ 20 millimeters.
Wherein, described negative pole spinneret and positive pole spinneret are set to spring structure, and the spring be coiled into by wire and middle pole connect to form, and described pole drives spring pivotal; The wire diameter of described spring is 0.2 millimeter ~ 20 millimeters, and the diameter of described spring is 20 millimeters to 200 millimeters, and the spacing between described wire of spring is 10 millimeters ~ 200 millimeters.
Wherein, described negative pole spinneret and positive pole spinneret are set to screw-rod structure, and described screw-rod structure is connected to form by helical blade and middle pole, and described pole drives helical blade to rotate; The edge diameter of described helical blade is 0.2 millimeter ~ 20 millimeters, and the diameter of described helical blade is 20 millimeters ~ 200 millimeters, and the spacing between described helical blade is 10 millimeters ~ 200 millimeters.
Wherein, described negative pole spinneret and positive pole spinneret are set to hollow acicular texture, and described hollow acicular texture is made up of hollow pinhead and liquid impellers, and the diameter in described hollow pinhead is at 0.05 millimeter ~ 30 millimeters.
Wherein, described negative pole spinneret and positive pole spinneret load high voltage, have and launch solution function.
Wherein, described negative solution groove and positive solution groove are used for storing solution and to negative pole spinneret and positive pole spinneret feed flow, are open or closed trough body structure.
Wherein, described annulus collector, is that empty circular rings forms by a centre, is rotated by annulus collector actuator drives; Whole operation interval is divided into the spinning fields of below and the collecting zone of top by annulus collector.
Wherein, described spherical collector width is 1 millimeter ~ 200 millimeters, and external diameter is at 30 millimeters ~ 300 millimeters, and interior warp is at 28 millimeters ~ 290 millimeters; Spherical collector level is arranged in the middle of spinning fields and collecting zone.
Further, described spherical collector is rotated by collector actuator drives, and rotary speed is 400 turns ~ 2000 turns per minute.
Further, described collector transmission device is formed by power set with transmission mechanisms such as belt, chain, gears and is connected with spherical collector.
Wherein, described coiler device is a transfer roller, transfer roller is provided with the yarn guiding trough being convenient to neatly collect yarn; Coiler device is positioned at the center, top of annulus collector, and the air line distance at distance annulus collector center is 5 millimeters ~ 800 millimeters.
Further, described winding transmission device to be made up of with belt, chain, gear drive actuating unit and to be connected with coiler device.
Wherein, described negative solution groove is arranged on spinning fields below annulus collector with negative pole spinneret together with positive solution groove positive pole spinneret, is arranged symmetrically about they and annulus collector, up and down in unsymmetrical arrangement;
Described negative pole spinneret and positive pole spinneret are placed on the spinning fields, below of annulus collector simultaneously, the air line distance of negative pole spinneret distance annulus collector is at 20 millimeters ~ 200 millimeters, and the air line distance of described positive pole spinneret distance annulus collector is at 30 millimeters ~ 300 millimeters; Described negative pole spinneret and positive pole spinneret load high voltage, have and launch solution function.
Wherein, the collecting zone of described negative pole spinneret above annulus collector, described negative pole spinneret is hollow acicular texture, and the air line distance of distance annulus collector is at 30 millimeters ~ 200 millimeters; Described positive pole spinneret is in the spinning fields, below of annulus collector, and described positive pole spinneret is disc structure, and the air line distance of distance annulus collector is at 50 millimeters ~ 300 millimeters.
Wherein, the negative solution groove of described collecting zone provides liquid or gas, manufactures electronegative dropping liquid or anion gas by described negative pole spinneret.
A preparation method for change type electro-spun nanofiber yarn preparation facilities, is characterized in that, comprise the following steps:
(1), by negative solution groove and positive solution groove respectively to negative pole spinneret and positive pole spinneret feed flow;
(2), by negative solution groove, negative pole spinneret, positive solution groove, positive pole spinneret be connected with positive pole with high voltage source negative pole respectively, introduce high-pressure electrostatic;
(3), annulus collector actuator drives annulus collector rotates;
(4) solution jet, sprayed respectively from both positive and negative polarity spinneret forms fiber, formation one fiber cone upwards on annulus collector;
(5), fiber cone relies on annulus collector to rotate and realizes twisting;
(6) transmission device that, reels drives coiler device to rotate;
(7) bundles of nanofibers, through twisting is wound device collection.
The process preparing electro-spun nanofiber yarn of change type electro-spun nanofiber yarn preparation facilities, is characterized in that, comprise the following steps:
A, Kynoar-hexafluoropropene (PVDF) is dissolved into the mixed solvent of dimethyl formamide (DMF) and acetone, prepares PVDF solution; The proportioning of the mixed solvent of dimethyl formamide (DMF) and acetone is 1:1 volume/volume;
B, PVDF solution is injected positive solution groove and negative solution groove respectively, positive pole spinneret and negative pole spinneret are connected respectively to the positive and negative polarities of a high voltage source;
C, positive solution groove and negative solution groove are respectively to positive pole spinneret and negative pole spinneret feed flow, and tumbler ring collector, opens high voltage source;
D, new spinning nano fibre deposit in annulus collector rings, form a smooth fiber web;
Use a plastic bar drawing of fiber net, form an inverted tapered fibre net.The summit of fibrae pyramidales net is continuously elongated, forms nano-fibre yams;
The nano-fibre yams of e, generation is reeled by rotary roller coiler device.
Wherein, the positive and negative polarities voltage 0 ~ 100 kilovolt of high voltage source described in step b;
Described positive pole spinneret adopts hollow acicular texture, and described negative pole spinneret adopts hollow acicular texture.
The beneficial effects of the utility model:
With the difference of the electrostatic spinning yarn equipment of prior art
One, collector
Identical point: be all rotated in the horizontal direction by actuator drives
Difference: be cone type in the past, here is horn mouth top is closed; Be empty in the middle of annulus now.
Two, collection mode
Identical point: two spinnerets are all symmetrical respectively to collector spray silk below collector
Difference:
1, be spray silk from collector lower horizontal position to collector with the first two spinneret, be that negative pole spinneret distance collector is closer now, positive pole spinneret distance collector is far away;
2, the nanofiber of in the past ejection forms fiber web, twisting, one-tenth yarn being collected by the coiler device of below, and the nanofiber sprayed now forms fiber web, twisting, one-tenth yarn being collected by the coiler device of top above annulus collector.
Three, spinneret form
Difference:
All hollow needle form with the first two spinneret.
Present two spinnerets both can be all hollow needle form, also can be all the forms such as spring, screw rod, disk, and simultaneously above form can be arranged in pairs or groups use in two spinnerets.
Device of the present utility model comprises positive pole and the negative pole that two electrostatic spinning heads connect DC high-voltage power supply respectively, rotated by collector actuator drives annulus collector, yarn take-up device is above annulus collector, and spinning fields and collector region are separated into two different regions by annulus collector.In the preparation process of nano-fibre yams, form fiber from the solution jet of spinneret ejection, form a fiber cone upwards above annulus collector, yarn is from the pull-out of fiber cone apex, and evenly twisting is what to be realized by the rotation of annulus.Nano-fibre yams final utilization rotary roller up-coiler is collected.
This kind of nano-fibre yams not only expands the Application Areas of original Electrospun nano-fibers, and have its mechanical strength to increase and use needleless spinning technique can meet the demand of industrialized production, the development for whole industry brings immeasurable economic benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is structural representation of the present utility model.
Fig. 4 is structural representation of the present utility model.
Fig. 5 A is annulus collector 6 partial structurtes schematic diagram of the present utility model.
Fig. 5 B is annulus collector 6 partial structurtes schematic diagram of the present utility model.
Fig. 6 A is annulus collector transmission device 7 top view of the present utility model.
Fig. 6 B is annulus collector transmission device 7 front view of the present utility model.
Fig. 7 A is annulus collector transmission device 7 top view of the present utility model.
Fig. 7 B is annulus collector transmission device 7 front view of the present utility model.
Fig. 8 A is annulus collector transmission device 7 top view of the present utility model.
Fig. 8 B is annulus collector transmission device of the present utility model 7 front views.
Fig. 9 is winding transmission device top view of the present utility model.
Figure 10 is winding transmission device top view of the present utility model.
Figure 11 is winding transmission device top view of the present utility model.
Figure 12 A is spinneret partial enlarged drawing of the present utility model.
Figure 12 B is spinneret partial enlarged drawing of the present utility model.
Figure 12 C is spinneret partial enlarged drawing of the present utility model.
Figure 12 D is spinneret partial enlarged drawing of the present utility model.
Figure 13 A is the schematic diagram of high voltage source of the present utility model.
Figure 13 B is the schematic diagram of high voltage source of the present utility model.
Figure 13 C is the schematic diagram of high voltage source of the present utility model.
Reference numeral:
High voltage source 1, high-pressure electrostatic positive terminal 101, high-pressure electrostatic negative terminal 102, negative solution groove 2, negative pole spinneret 3, positive solution groove 4, positive pole spinneret 5, collector 60, annulus collector 6, collector transmission device 70, annulus collector transmission device 7, coiler device 8, winding transmission device 9, disk 10, spring structure 11, screw-rod structure 12, hollow needle-like structure 13, positive voltage source 15, negative supply 16, malleation and negative supply 17, jet I 18, jet II 19, jet III 20, lever jack 21, yarn guiding ring 22, taper bundles of nanofibers 23.
Annulus collector actuator motor 71, belt pulley 72, belt 73, sprocket wheel 74, chain 75, driving gear 76, driven gear 77.
Winding actuator motor 91, drive pulley 92, belt 93, driven pulley 94, drive sprocket 95, chain band 96, driven sprocket 97.
Collecting zone 100, spinning fields 200.
Detailed description of the invention
Below in conjunction with specific embodiment, progressive explanation is done to the utility model.Should be understood that following examples only for illustration of the utility model but not for limiting scope of the present utility model.
Embodiment 1
As in Figure 2-4, change type electro-spun nanofiber yarn preparation facilities, comprising: high voltage source 1, negative solution groove 2, negative pole spinneret 3, positive solution groove 4, positive pole spinneret 5, annulus collector 6, annulus collector transmission device 7, coiler device 8.
The negative positive two-stage of high voltage source 1 is connected respectively to negative pole spinneret 3 and positive pole spinneret 5; Negative solution groove 2 and positive solution groove 4 are respectively to negative pole spinneret 3 and positive pole spinneret 5 feed flow.
As in Figure 2-4, collector transmission device 7 is connected with annulus collector 6, and is arranged on the top of positive solution groove 4, positive pole spinneret 5.
As in Figure 2-4, coiler device 8 with winding transmission device 9 be connected, and be arranged on annulus collector 6 above.
As illustrated in fig. 12, negative pole spinneret 3 and positive pole spinneret 5 are set to circular configuration, are connected to form by the pole in the middle of disk 10 and disk 10, and pole drives disk 10 to rotate; The diameter of disk 10 is at 5 millimeters ~ 300 millimeters, and the edge thickness of disk 10 is at 0.2 millimeter ~ 20 millimeters.Disk 10 can adopt metal material, and nonmetallic materials also can be adopted to make.
As shown in Figure 12 B, negative pole spinneret 3 and positive pole spinneret 5 are set to spring 11 structure, and the spring 11 be coiled into by wire and middle pole connect to form, and pole drives spring 11 to rotate; The wire diameter of spring 11 is 0.2 millimeter ~ 20 millimeters, and the diameter of spring 11 is 20 millimeters to 200 millimeters, and the spacing between spring 11 wire is 10 millimeters ~ 200 millimeters.
As indicated in fig. 12 c, negative pole spinneret 3 and positive pole spinneret 5 are set to screw rod 12 structure, and screw rod 12 structure is connected to form by helical blade and middle pole, and pole drives helical blade to rotate; The edge diameter of helical blade is 0.2 millimeter ~ 20 millimeters, and the diameter of helical blade is 20 millimeters ~ 200 millimeters, and the spacing between helical blade is 10 millimeters ~ 200 millimeters.
As indicated in fig. 12d, negative pole spinneret 3 and positive pole spinneret 5 are set to hollow needle 13 shape structure, and hollow needle 13 shape structure is made up of hollow pinhead and liquid impellers, and the diameter in hollow needle 13 is at 0.05 millimeter ~ 30 millimeters.
Negative solution groove 2 and positive solution groove 4, for storing solution with to negative pole spinneret 3 and positive pole spinneret 5 feed flow, are open or closed trough body structure.Negative pole spinneret 3 and positive pole spinneret 5 load high voltage, have and launch solution function.
As shown in FIG. 13A, a road exports as positive voltage high voltage source 15, and it is 0 volt that a road exports; As shown in Figure 13 B, a road exports as positive voltage high voltage source 16, and a road exports as negative voltage; High voltage source 17 as shown in fig. 13 c, is two power supplys, and one exports as positive voltage, and one exports as negative voltage.
As fig. 5 a and fig. 5b, annulus collector 6, is that empty circular rings forms by a centre, drives rotation by annulus collector transmission device 7; Whole operation interval is divided into the spinning fields 200 of below and the collecting zone 100 of top by annulus collector 6.
Spherical collector 6 width is 1 millimeter ~ 200 millimeters, and external diameter is at 30 millimeters ~ 300 millimeters, and interior warp is at 28 millimeters ~ 290 millimeters; Spherical collector 6 level is arranged in the middle of spinning fields and collecting zone.
Spherical collector 6 drives rotation by collector transmission device 7, and rotary speed is 400 turns ~ 2000 turns per minute.
Collector transmission device 7 to be made up of with belt, chain, gear drive power set and to be connected with spherical collector 6.And various change can be had.
Fig. 6 A is annulus collector transmission device 7 top view of the present utility model.Fig. 6 B is annulus collector transmission device 7 front view of the present utility model.In a kind of embodiment, the belt transmissioning mode of annulus collector transmission device 7, as shown in Figure 6 A and 6 B, is made up of annulus collector actuator motor 71, belt pulley 72, belt 73.
Fig. 7 A is annulus collector transmission device 7 top view of the present utility model.Fig. 7 B is annulus collector transmission device 7 front view of the present utility model.In a kind of embodiment, the Chain conveyer mode of annulus collector transmission device 7, as shown in figures 7 a and 7b, is made up of annulus collector actuator motor 71, sprocket wheel 74, chain 75.
Fig. 8 A is annulus collector transmission device 7 top view of the present utility model.Fig. 8 B is annulus collector transmission device of the present utility model 7 front views.In a kind of embodiment, gear drive as shown in Figure 8 A and 8 B, is made up of annulus collector actuator motor 71, driving gear 76, driven gear 77.
Fig. 9 is winding transmission device top view of the present utility model.In a kind of embodiment, the belt transmissioning mode of winding transmission device 9, as shown in Figure 9, is made up of winding actuator motor 91, drive pulley 92, belt 93 and driven pulley 94.
Figure 10 is winding transmission device top view of the present utility model.In a kind of embodiment, the Chain conveyer mode of winding transmission device 9, as shown in Figure 10, is made up of winding actuator motor 91, drive sprocket 95, chain band 96 and driven sprocket 97.
Figure 11 is winding transmission device top view of the present utility model.In a kind of embodiment, the gear transmission mode of winding transmission device 9, as shown in figure 11, is made up of winding actuator motor 91, drive sprocket 95, driven sprocket 97.Eliminate and there is no chain band 96.
Coiler device 8 is a transfer roller, transfer roller is provided with the yarn guiding trough being convenient to neatly collect yarn; Coiler device is positioned at the center, top of annulus collector 6, and the air line distance at distance annulus collector 6 center is 5 millimeters ~ 800 millimeters.
Winding transmission device 9 to be made up of with belt, chain, gear drive actuating unit and to be connected with coiler device 8.
Negative solution groove 2 is arranged on spinning fields below annulus collector 6 with negative pole spinneret 3 together with positive solution groove 4 positive pole spinneret 5, and they and annulus collector about 6 are arranged symmetrically, up and down in unsymmetrical arrangement;
Negative pole spinneret 3 and positive pole spinneret 5 are placed on the spinning fields, below of annulus collector 6 simultaneously, negative pole spinneret 3 apart from the air line distance of annulus collector 6 at 20 millimeters ~ 200 millimeters, positive pole spinneret 5 apart from the air line distance of annulus collector 6 at 30 millimeters ~ 300 millimeters.
The collecting zone of negative pole spinneret 3 above annulus collector 6, negative pole spinneret 3 is hollow needle 13 shape structures, and the air line distance of distance annulus collector 6 is at 30 millimeters ~ 200 millimeters; Positive pole spinneret 5 is in the spinning fields, below of annulus collector 6, and positive pole spinneret is disk 10 structure, and the air line distance of distance annulus collector 6 is at 50 millimeters ~ 300 millimeters.
Negative solution groove 2 to collecting zone provides liquid or gas, manufactures electronegative dropping liquid or anion gas by negative pole spinneret 3.
A preparation method for change type electro-spun nanofiber yarn preparation facilities, comprises the following steps:
1, by negative solution groove 2 and positive solution groove 4 respectively to negative pole spinneret 3 and positive pole spinneret 5 feed flow;
2, negative solution groove 2, negative pole spinneret 3, positive solution groove 4, positive pole spinneret 5 are connected with positive pole with high voltage source 1 negative pole respectively, introduce high-pressure electrostatic;
3, annulus collector transmission device 7 drives annulus collector 6 to rotate;
4, the solution jet sprayed respectively from positive pole spinneret 5 and negative pole spinneret 3 forms fiber, and annulus collector 6 is formed a fiber cone upwards;
5, fiber cone relies on annulus collector 6 to rotate and realizes twisting;
6, the transmission device 9 that reels drives coiler device 8 to rotate;
7, the bundles of nanofibers through twisting is wound device 8 and collects.
The process preparing electro-spun nanofiber yarn of change type electro-spun nanofiber yarn preparation facilities, comprises the following steps:
A, Kynoar PVDF is dissolved into dimethyl formamide DMF and acetone mixed solvent in the proportioning of mixed solvent prepare PVDF solution for (1:1 volume/volume);
B, PVDF solution is injected positive solution groove 4 and negative solution groove 2 respectively, positive pole spinneret 5 and negative pole spinneret 3 are connected respectively to the positive and negative polarities of a high voltage source 1;
C, positive solution groove 4 and negative solution groove 2 are respectively to positive pole spinneret 5 and negative pole spinneret 3 feed flow, and tumbler ring collector 6, opens high voltage source 1;
D, that new spinning nano fibre deposits to annulus collector 6 ring is inner, forms a smooth fiber web;
Use a plastic bar drawing of fiber net, form an inverted tapered fibre net.The summit of fibrae pyramidales net is continuously elongated, forms nano-fibre yams;
The nano-fibre yams of e, generation is reeled by rotary roller coiler device 8.
It is 0 ~ 100 kilovolt that the positive and negative polarities of step b mesohigh power supply 1 load high voltage;
Positive pole spinneret 5 adopts hollow needle 13 shape structure, and negative pole spinneret 3 adopts hollow needle 13 shape structure.
Feature of the present utility model:
1. electrostatic spinning principle prepares nanofiber;
2. nanofiber is collected by annulus collector 6, and converts yarn under coiler device 8 acts on;
3. yarn twist is adjustable;
4. spinneret comprises at least one positive pole spinneret 5 and a negative pole spinneret 3;
5. positive pole spinneret 5 and negative pole spinneret 3 are in the side of annulus collector 6;
6. positive pole spinneret 5 and negative pole spinneret 3 are in the both sides up and down of annulus collector 6 respectively with coiler device 8;
7. positive pole spinneret 5 and negative pole spinneret 3 can be driven by same high voltage source 1, also can be driven separately by respective high voltage source 1;
8. nanofiber deposits to annulus collector 6 from the side of negative pole spinneret 3 and positive pole spinneret 5, and forms bullet in contrary one end, can avoid like this because nanofiber is deposited directly to the hairiness problems that yarn produces.
9. negative pole spinneret 3 and positive pole spinneret 5 can spin identical fiber, also can spin different fibrous materials;
10. the fineness of fiber can according to the concentration adjustment of polymer.
Be illustrated detailed description of the invention of the present utility model above, but the utility model is not as limit, only otherwise depart from aim of the present utility model, the utility model can also have various change.
Claims (16)
1. change type electro-spun nanofiber yarn preparation facilities, it is characterized in that, comprising: high voltage source (1), negative solution groove (2), negative pole spinneret (3), positive solution groove (4), positive pole spinneret (5), annulus collector (6), annulus collector transmission device (7), coiler device (8);
The negative positive two-stage of described high voltage source (1) is connected respectively to negative pole spinneret (3) and positive pole spinneret (5);
Described negative solution groove (2) and positive solution groove (4) are respectively to negative pole spinneret (3) and positive pole spinneret (5) feed flow;
Described collector transmission device (7) is connected with annulus collector (6), and is arranged on the top of positive solution groove (4), positive pole spinneret (5);
Described coiler device (8) is connected with winding transmission device (9), and is arranged on and annulus collector (6) top.
2. change type electro-spun nanofiber yarn preparation facilities according to claim 1, it is characterized in that: described negative pole spinneret (3) and positive pole spinneret (5) are set to circular configuration, connected to form by the pole in the middle of disk (10) and disk (10), pole drives disk (10) to rotate; The diameter of disk (10) is at 5 millimeters ~ 300 millimeters, and the edge thickness of disk (10) is at 0.2 millimeter ~ 20 millimeters.
3. change type electro-spun nanofiber yarn preparation facilities according to claim 1, it is characterized in that: described negative pole spinneret (3) and positive pole spinneret (5) are set to spring (11) structure, the spring (11) be coiled into by wire and middle pole connect to form, and described pole drives spring (11) to rotate; The wire diameter of described spring (11) is 0.2 millimeter ~ 20 millimeters, and the diameter of described spring (11) is 20 millimeters to 200 millimeters, and the spacing between described spring (11) wire is 10 millimeters ~ 200 millimeters.
4. change type electro-spun nanofiber yarn preparation facilities according to claim 1, it is characterized in that: described negative pole spinneret (3) and positive pole spinneret (5) are set to screw rod (12) structure, described screw rod (12) structure is connected to form by helical blade and middle pole, and described pole drives helical blade to rotate; The edge diameter of described helical blade is 0.2 millimeter ~ 20 millimeters, and the diameter of described helical blade is 20 millimeters ~ 200 millimeters, and the spacing between described helical blade is 10 millimeters ~ 200 millimeters.
5. change type electro-spun nanofiber yarn preparation facilities according to claim 1, it is characterized in that: described negative pole spinneret (3) and positive pole spinneret (5) are set to hollow needle (13) shape structure, described hollow needle (13) shape structure is made up of hollow pinhead and liquid impellers, and the diameter in described hollow needle (13) head is at 0.05 millimeter ~ 30 millimeters.
6. change type electro-spun nanofiber yarn preparation facilities according to claim 1, is characterized in that: described negative pole spinneret (3) and positive pole spinneret (5) load high voltage, have function solution being converted to nanofiber.
7. change type electro-spun nanofiber yarn preparation facilities according to claim 1, it is characterized in that: described negative solution groove (2) and positive solution groove (4), for storing solution and to negative pole spinneret (3) and positive pole spinneret (5) feed flow, are open or closed trough body structure.
8. change type electro-spun nanofiber yarn preparation facilities according to claim 1, it is characterized in that: described annulus collector (6), the circular rings being sky by a centre forms, and is driven rotate by annulus collector transmission device (7); Whole operation interval is divided into the spinning fields (200) of below and the collecting zone (100) of top by annulus collector (6).
9. change type electro-spun nanofiber yarn preparation facilities according to claim 8, it is characterized in that: described spherical collector (6) width is 1 millimeter ~ 200 millimeters, external diameter is at 30 millimeters ~ 300 millimeters, and interior warp is at 28 millimeters ~ 290 millimeters; Spherical collector (6) level is arranged in the middle of spinning fields and collecting zone.
10. change type electro-spun nanofiber yarn preparation facilities according to claim 8, it is characterized in that: described spherical collector (6) is driven by collector transmission device (7) and rotates, and rotary speed is 400 turns ~ 2000 turns per minute.
11. change type electro-spun nanofiber yarn preparation facilities according to claim 10, is characterized in that: described collector transmission device (7) is formed by power set with transmission mechanisms such as belt, chain, gears and is connected with spherical collector (6).
12. change type electro-spun nanofiber yarn preparation facilities according to claim 1, is characterized in that: described coiler device (8) is a transfer roller, transfer roller are provided with the yarn guiding trough being convenient to neatly collect yarn; Coiler device is positioned at the center, top of annulus collector (6), and the air line distance at distance annulus collector (6) center is 5 millimeters ~ 800 millimeters.
13. change type electro-spun nanofiber yarn preparation facilities according to claim 12, is characterized in that: described winding transmission device (9) is formed by power set with transmission mechanisms such as belt, chain, gears and is connected with coiler device (8).
14. change type electro-spun nanofiber yarn preparation facilities according to claim 1, it is characterized in that: described negative solution groove (2) and negative pole spinneret (3) and positive solution groove (4) positive pole spinneret (5) are arranged on spinning fields, annulus collector (6) below together, they and annulus collector (6) left and right are arranged symmetrically, up and down in unsymmetrical arrangement;
Described negative pole spinneret (3) and positive pole spinneret (5) are placed on the spinning fields, below of annulus collector (6) simultaneously, the air line distance of negative pole spinneret (3) distance annulus collector (6) is at 20 millimeters ~ 200 millimeters, and the air line distance of described positive pole spinneret (5) distance annulus collector (6) is at 30 millimeters ~ 300 millimeters.
15. change type electro-spun nanofiber yarn preparation facilities according to claim 5, it is characterized in that: described negative pole spinneret (3) is at the collecting zone of annulus collector (6) top, described negative pole spinneret (3) is hollow needle (13) shape structure, and the air line distance of distance annulus collector (6) is at 30 millimeters ~ 200 millimeters; Described positive pole spinneret (5) is in the spinning fields of annulus collector (6) below, and described positive pole spinneret is disk (10) structure, and the air line distance of distance annulus collector (6) is at 50 millimeters ~ 300 millimeters.
16. change type electro-spun nanofiber yarn preparation facilities according to any one of claim 1,14,15, it is characterized in that: the negative solution groove (2) of described collecting zone provides liquid or gas, manufacture electronegative dropping liquid or anion gas by described negative pole spinneret (3).
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| CN110106564B (en) * | 2019-05-23 | 2021-08-31 | 东华大学 | Combined electrostatic spinning device for oriented nanofiber yarn and using method thereof |
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