CN109322023A - It is a kind of to prepare nanofiber/staple blended yarn device and method - Google Patents
It is a kind of to prepare nanofiber/staple blended yarn device and method Download PDFInfo
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- CN109322023A CN109322023A CN201811479671.5A CN201811479671A CN109322023A CN 109322023 A CN109322023 A CN 109322023A CN 201811479671 A CN201811479671 A CN 201811479671A CN 109322023 A CN109322023 A CN 109322023A
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- nanofiber
- fibre web
- blended yarn
- feed belt
- spinning
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0092—Electro-spinning characterised by the electro-spinning apparatus characterised by the electrical field, e.g. combined with a magnetic fields, using biased or alternating fields
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
- D10B2201/24—Viscose
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/10—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/12—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of cyclic compounds with one carbon-to-carbon double bond in the side chain
- D10B2321/121—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of cyclic compounds with one carbon-to-carbon double bond in the side chain polystyrene
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
Abstract
Nanofiber/staple blended yarn device and method is used to prepare the present invention relates to a kind of, described device includes carding machine, fibre web transmitting device, electrostatic spinning apparatus and output device, fibre web transmitting device side is connected by the first feed belt with carding machine, the fibre web transmitting device other side is connected by the second feed belt with output device, the electrostatic spinning apparatus is set to the lower section of fibre web transmitting device, it is characterized in that, it further include nanofiber directional induction precipitation equipment, the nanofiber directional induction precipitation equipment is located inside fibre web transmitting device, the nanofiber directional induction precipitation equipment includes the needle plate with air hole, steel needle is distributed on the needle plate.The equally distributed scribbled of nanofiber prepared using the device has huge application potential and prospect in micro-nano functional textile.
Description
Technical field
The invention belongs to spinning processing device and method fields, in particular to a kind of to deposit with nanofiber directional induction
Device is used to prepare nanofiber/staple blended yarn device and method.
Background technique
In recent years, with the prosperity of national economy, national life level is significantly improved, functional textile and nano-spun
Fabric has progressed into the public visual field, and causes extensive concern and the favor of consumer and technological development personnel.It is functional
Textile not only meets people and wore the clothes in the past and hide the needs of body compared to traditional textile, but also it is more to impart it
Functionality has opened up applicable situation and the field of traditional textile；And nano-fabric is broadly referred to containing nano material
Textile assigns its new performance and effect often on the basis of not changing textile original physical and chemical performance.The two is right
There is important directive significance in improving added value of product, textile technology being promoted to reform.
As it is a kind of can quickly, the approach of high-efficiency production of nano fiber, electrostatic spinning technique have passed through the hair of many decades
Exhibition, is also gradually developed to the stage of industrialized mass production by the small-scale production in laboratory.By receiving for method of electrostatic spinning preparation
Rice fiber and tunica fibrosa have large specific surface area, surface can height, the characteristics such as porosity height, be widely used in filtering, bio-medical,
The fields such as the energy, catalysis, sensing, and achieve good application effect.
Electrostatic spinning technique is combined with traditional textile technology and prepares functional textile and nano-fabric, undoubtedly
Promote the product specification and one of added value, the important channel for opening up traditional textile application field of traditional textile, two kinds of skills
Therefore the intersection of art has been increasingly becoming the research hotspot of engineers and technicians.Existing some investigators have made correlation to this at present
Research and report, China Intellectual Property Office's invention disclosed patent on November 01st, 2012 " nanofiber and long filament composite yarn
The spinning apparatus and Yarn spinning method of line ", number of patent application ZL201210433332.X, this application patent complicated legal case propose a kind of incite somebody to action
Nanofiber and the compound spinning apparatus of long filament and method, deposit Nanowire on two root long silks by electrostatic spinning technique respectively
Then two root long silks are gathered twisting again, obtain the nanofiber bicomponent filament yarn yarn for having both nano effect and intensity, certain journey by dimension
Solves the problems, such as the low strength of nanofiber in practical applications on degree.But if directly applying to weaving at cloth, due to big portion
Nanofiber is divided to be exposed to yarn external surface, therefore, the nanofiber of filament surface is easily in processing and final use process
It is scraped, loses original nano effect.China Intellectual Property Office's invention disclosed patent " nano electrostatic on January 18th, 2017
The method of spinning resultant yarn integrated with staple fiber ring spinning ", number of patent application CN201610847286.6, this application patent are public
Case makes nanofiber by the way that the spinning of single needle electrostatic spinning apparatus is arranged between the twizzle and front roller nip of ring spinner
Net and yarn convergence are twisted, it is intended to which microfibre looping spun yarn is received in preparation.But the looping external layer of yarn of this method preparation is Nanowire
Dimension, equally exist the fatal problem that nanofiber falls off in following process and use process, and in preparation process due to
Crystallizing field is nearby essentially metal parts, spinning process is interfered, so that nanofibres deposit extremely disorder, longer when the spinning time
When, fiber deposition film forming, it could even be possible to influencing normal short fine spinning process.
Based on this, present inventor has applied for serial patent of invention in succession, and " a kind of electrostatic spinning nano fiber is compound short
Fibre web mass prepares the device and method of mixed yarn " (application number: CN201810011253.7), " in a kind of mixed yarn system
The homogenization distribution apparatus and method of nanofiber " (application number: CN201810011773.8), " one kind is anti-with nanofiber
Adhesion mechanism is used to prepare nanofiber/staple blended yarn device and method " (application number: CN201810012232.7), it is
System describes several functions nanofiber/staple blended yarn line preparation method and ameliorative measure, achieves preferable receipts
Effect.But homogenization distribution of the nanofiber in yarn body still has the space further promoted and possibility.
Summary of the invention
It is difficult that the technical problem to be solved by the present invention is to the nanofiber technologies that distributing homogeneity is relatively poor in yarn body
Topic.The present invention increases nanofiber orientation induction and deposition device, the device on the basis of original mixed yarn process units
The field distribution and Secondary Design for optimizing the deposition region of electrostatic spinning nano fiber utilize steel needle battle array equally distributed on device
The tip charge collection effect generated is arranged, nanofiber orientated deposition, i.e. orientations of the nanofiber between steel needle are realized,
Uniformity when to realize nanofibres deposit to short fibre web lower surface.Effectively prevent original nanofiber on fibre web with
Machine deposit the phenomenon that, it can be achieved that nanofiber uniform orientated deposition, be conducive to nanofiber subsequent serial drawing-off effect under
Fracture and transfer, solve nanofiber relatively poor technical problem of distributing homogeneity in yarn body, it is ensured that Nanowire
Dimension/staple blended yarn functional stabilization.
Nanofiber/staple blended yarn device, packet are prepared in order to solve the above-mentioned technical problems, the present invention provides a kind of
Carding machine, fibre web transmitting device, electrostatic spinning apparatus and output device are included, fibre web transmitting device side passes through the first transmission
Belt is connected with carding machine, and the fibre web transmitting device other side is connected by the second feed belt with output device, the Static Spinning
Silk device is set to the lower section of fibre web transmitting device, which is characterized in that and it further include nanofiber directional induction precipitation equipment, it is described
Nanofiber directional induction precipitation equipment is located inside fibre web transmitting device, the nanofiber directional induction precipitation equipment packet
The needle plate with air hole is included, is evenly distributed with steel needle on the needle plate.
Preferably, the carding machine includes cover board, is equipped with feed roll motor, cylinder, doffer and angle stripper, cover board one in cover board
Side is equipped with the first fibre web outlet roller, and the jaw and the first feed belt of the first fibre web outlet roller are located at same level.
Preferably, the fibre web transmitting device includes transmission support lace curtaining and negative pressure air draft apparatus, the transmission support lace curtaining
End to end to surround a hollow chamber, the negative pressure air draft apparatus and nanofiber directional induction precipitation equipment are arranged at biography
In the chamber that dynamic support lace curtaining is formed, nanofiber directional induction precipitation equipment is located at immediately below negative pressure air draft apparatus, and steel needle is downward
Setting.
Preferably, the needle plate is horizontally disposed.
Preferably, the upper surface of the lower surface of the fibre web transmitting device and the first feed belt and the second feed belt
In same level.
It is highly preferred that the transmission support lace curtaining is located at side and the first feed belt phase of the part on the horizontal plane
Even, the other side is connected with the second feed belt, and the collective effect of three realizes continuously transmitting for fibre web.
Preferably, the needle plate length and width of the nanofiber directional induction precipitation equipment and the short fibre web length and width one in deposition region
It causes, needle plate surface is evenly distributed with the hollow out air hole that diameter is 1~3mm, and so as to the conducting of negative pressure downstream, steel needle length is
1~2cm, root diameter (RD) is 1~2mm, 2~3cm of adjacent steel needle spacing, when nanofiber directional induction precipitation equipment works, connect-
1~-3kv DC high-voltage.
Preferably, the output device includes the second fibre web outlet roller, horn mouth, bar cylinder；The fibre web transmitting device is logical
It crosses the second feed belt to be connected with the second fibre web outlet roller, horn mouth is arranged in the other side of the second fibre web outlet roller, bell-mouthed
Bar cylinder is arranged in the other side.
Preferably, the electrostatic spinning apparatus includes that HV generator, needle-free spinning nozzle and nanofiber are heavy
Product device；The needle-free spinning nozzle is using " a kind of umbrella Static Spinning disclosed in Chinese patent CN201310032194.9
Umbrella shower nozzle described in silk spray head and electrospinning process ", which includes umbrella spinning head, digital control type infusion device
With solution collecting tank three parts, the digital control type infusion device includes solution propeller and controller；The umbrella spinneret
Centriciput has a hollow part, and the solution propeller output end is placed in the hollow part of the umbrella spinning head；Described
Controller controls the flow velocity and flow of spinning solution, persistently injects spinning solution to the umbrella spinning head top layer；Described
Place the solution collecting tank in umbrella spinning head bottom；The umbrella spinning head is equipped with and connects with what high pressure positive electrode was connected
Terminal；Wherein umbrella spinning head is discoid, has four-layer structure, and the diameter from top layer to bottom is gradually increased, every layer of height
Degree is 6mm, and every layer height is identical；The copper open circles column sleeve that described every layer of edge of umbrella spinning head is 1mm added with height,
Outer diameter size is identical as every layer of diameter.
A method of preparing nanofiber/staple blended yarn, which is characterized in that using it is above-mentioned prepare nanofiber/
The device of staple blended yarn, comprising the following steps:
Step 1: high polymer is dissolved in solvent, stir, obtain electrostatic spinning liquid, wherein in spinning solution high polymer concentration
For 6-15wt%；
Step 2: short fibre being distributed cotton, opening picking obtains fiber roll, and fiber roll is combed to obtain short fibre web through carding machine, short
Fibre web inputs fibre web transmitting device through the first feed belt；
Step 3: spinning solution in step 1 is added to progress electrostatic spinning in electrostatic spinning apparatus and obtains nanofiber, institute
Nanofiber is stated to be deposited directly under the induction of the steel needle of nanofiber directional induction precipitation equipment in step 2 under short fibre web
Surface obtains nanofiber/short fibre web composite web, after the second feed belt is conveyed to output device, by the loudspeaker of output device
Mouth boundling pools item, and spinning obtains nanofiber/staple blended yarn.
Preferably, high polymer is polyacrylonitrile, polystyrene, polyurethane or polyamide in the step 1；Solvent is DMF
Or deionized water.
Preferably, fiber roll is fed in carding machine through feed roll motor in the step 2, by cylinder, cover board and doffer
After collaboration combing, short fibre web is exported by fibre web outlet roller；
Preferably, short fine for cotton, viscose glue or the short fibre of chemical fibre in the step 2.
Preferably, in the step 3 electrostatic spinning technological parameter are as follows: application voltage is 40-65KV, and spinning spacing is
16-20cm, spinning environment temperature are 20-25 DEG C, and spinning environment humidity is 30-65%.
Preferably, the technique of middle spinning includes: drafting (road 2-3), rove and spun yarn in the step 3.
The present invention increases nanofiber orientation induction and deposition device on the basis of original mixed yarn process units,
The installation optimization field distribution and Secondary Design of the deposition region of electrostatic spinning nano fiber, using on device equally distributed
The tip charge collection effect that steel needle array generates, realizes nanofiber orientated deposition, i.e. nanofiber taking between steel needle
To arrangement, thus uniformity when realizing nanofibres deposit to short fibre web lower surface.Original nanofiber is effectively prevented to exist
, it can be achieved that the uniform orientated deposition of nanofiber, is conducive to nanofiber and leads in subsequent serial the phenomenon that random deposition on fibre web
Fracture and transfer under the effect of stretching, solve nanofiber relatively poor technical problem of distributing homogeneity in yarn body.
The working principle of the present apparatus: nanofiber directional induction precipitation equipment is located in fibre web transmitting device, inhales with negative pressure
Wind apparatus is connected, and immediately below it, is made of the needle plate and steel needle that have air hole, wherein the air hole on needle plate can avoid
Interference to negative pressure air draft apparatus air draught effect guarantees the continuous output of fibre web, and the steel needle on needle plate is due to applying high straightening
Under the conditions of galvanic electricity, charge collection at needle point, electric field strength is high, thus the introducing of nanofiber directional induction device will significantly affect
The field strength distribution in nanofibres deposit region, guidance nanofiber deposits between adjacent needle point, to improve nanofiber in fibre
The distributing homogeneity on surface off the net controls the distributing homogeneity between nanofiber and micrometer fibers, to guarantee to make on source
The standby equally distributed scribbled of nanofibers.
Compared with prior art, the beneficial effects of the present invention are:
Apparatus of the present invention transformation is simple, increases Nanowire on original nanofiber/staple blended yarn process units
Directional induction precipitation equipment is tieed up, nanofiber directional induction deposition effect is obvious, and the nanofiber uniformity of deposition significantly improves,
Nanofiber distribution in the nanofiber scribbled prepared is good, the industrialization batch for micro nanometer fiber scribbled
Amount production and commercial applications have huge impetus.
Detailed description of the invention
Fig. 1 is the overall schematic for being used to prepare nanofiber/staple blended yarn device；
Fig. 2 is the schematic diagram of nanofiber directional induction precipitation equipment；
Fig. 3 is the equally distributed electron microscope of 1 nanofiber of embodiment；
Appended drawing reference: 1 carding machine, 2 short fibre webs, 3 negative pressure air draft apparatus, 4 fibre web transmitting devices, 5 transmission support lace curtainings, 6 the
Two fibre webs output Kun, 7 nanofibers/short fine composite web, 8 nanofiber directional induction precipitation equipments, 9 cover boards, 10 cylinders, 11
Husband, 12 angle strippers, 13 first fibre web outlet rollers, 14 first feed belts, 15 electrostatic spinning apparatus, 16 second feed belts, 17
Horn mouth, 18 bar cylinders, 19 needle plates, 20 air holes, 21 steel needles, 22 feed roll motors.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
Embodiment 1
Present embodiments provide it is a kind of be used to prepare nanofiber/staple blended yarn device, as shown in Figure 1, specific packet
It includes such as flowering structure: carding machine 1, fibre web transmitting device 4, electrostatic spinning apparatus 15, the first feed belt 14 and the second feed belt
16, the second fibre web outlet roller 6, horn mouth 17, bar cylinder 18, nanofiber directional induction precipitation equipment 8；
4 side of fibre web transmitting device is connected by the first feed belt 14 with carding machine 1, and fibre web transmitting device 4 is another
Side is connected by the second feed belt 16 with the second fibre web outlet roller 6, and the electrostatic spinning apparatus 15 is set to fibre web transmission
The lower section of device 4, the nanofiber directional induction precipitation equipment 8 are located inside fibre web transmitting device 4, the nanofiber
Directional induction precipitation equipment 8 includes the needle plate 19 with air hole 20, is evenly distributed with steel needle 21 on the needle plate 19.
The carding machine 1 includes cover board 9, is equipped with feed roll motor 22, cylinder 10, doffer 11 and angle stripper 12 in cover board 9,
9 side of cover board is equipped with the first fibre web outlet roller 13, and jaw and the first feed belt 14 of the first fibre web outlet roller 13 are located at
Same level.
The fibre web transmitting device 4 includes transmission support lace curtaining 5 and negative pressure air draft apparatus 3, and lace curtaining 5 is held in the palm in the transmission
Two sides are respectively arranged in two trapezoidal tracks, and described two trapezoidal tracks are set to the first feed belt 14 and the second feed belt 16
Between, short 2 two sides of fibre web are located at, the end to end of transmission support lace curtaining 5 surrounds a hollow chamber, transmission support 5 energy of lace curtaining
Enough to move synchronously along the trapezoidal track and short fibre web 2, short fibre web 2 is set to 5 downside of transmission support lace curtaining.
The negative pressure air draft apparatus 3 and nanofiber directional induction precipitation equipment 8 are arranged at what transmission support lace curtaining 5 was formed
In chamber, nanofiber directional induction precipitation equipment 8 is located at immediately below negative pressure air draft apparatus 3, and steel needle 21 is arranged downward.Described
Needle plate 19 is horizontally disposed.
At the lower surface of the fibre web transmitting device 8 and the upper surface of the first feed belt 14 and the second feed belt 16
In same level.The side that transmission support lace curtaining 5 is located at the part on the horizontal plane is connected with the first feed belt 14, the other side
It is connected with the second feed belt 16, the collective effect of three realizes continuously transmitting for fibre web.
Output device is made of the second fibre web outlet roller 6, horn mouth 17, bar cylinder 18；The fibre web transmitting device 4 passes through the
Two feed belts 16 are connected with the second fibre web outlet roller 6, and horn mouth 17, horn mouth is arranged in the other side of the second fibre web outlet roller 6
Bar cylinder 18 is arranged in 17 other side.
Nanofiber directional induction precipitation equipment 8 is located inside fibre web transmitting device 4, is connected with negative pressure air draft apparatus 3, and
Immediately below it；As shown in Fig. 2, 19 length and width of needle plate are consistent with the short fibre web length and width in deposition region, 19 surface of needle plate is evenly distributed with
Diameter is the air hole 20 of the hollow out of 3mm, and so as to the conducting of negative pressure downstream, 21 length of steel needle is 1cm, root diameter (RD) 2mm,
The spacing 3cm of adjacent steel needle 21 connects -1kv DC high-voltage when nanofiber directional induction precipitation equipment works.
The electrostatic spinning apparatus 15 includes HV generator, needle-free spinning nozzle, nanofibres deposit dress
It sets；The needle-free spinning nozzle is using " a kind of umbrella electrostatic spinning spray disclosed in Chinese patent CN201310032194.9
Umbrella shower nozzle described in head and electrospinning process ", the umbrella shower nozzle include umbrella spinning head, digital control type infusion device and molten
Liquid collecting tank three parts, the digital control type infusion device include solution propeller and controller；In the umbrella spinning head
There is a hollow part in portion, and the solution propeller output end is placed in the hollow part of the umbrella spinning head；The control
Device controls the flow velocity and flow of spinning solution, persistently injects spinning solution to the umbrella spinning head top layer；The umbrella
Place the solution collecting tank in spinning head bottom；The umbrella spinning head is equipped with the wiring being connected with high pressure positive electrode
Column；Wherein umbrella spinning head is discoid, has four-layer structure, and the diameter from top layer to bottom is gradually increased, every layer of height
For 6mm, every layer height is identical；The copper open circles column sleeve that described every layer of edge of umbrella spinning head is 1mm added with height, outside
Diameter size is identical as every layer of diameter.
The application for being used to prepare nanofiber/staple blended yarn device, the specific steps are as follows:
Step 1: polyacrylonitrile (PAN) is dissolved in solvent DMF, stirs, obtains electrostatic spinning liquid, it is wherein high in spinning solution
The concentration of polymers is 12wt%；
Step 2: short rayon fiber being distributed cotton, opening picking obtains fiber roll, and fiber roll is obtained short fibre through the combing of carding machine 1
Net, short fibre web input fibre web transmitting device 4 through the first feed belt 14；1 carding process of carding machine includes: fiber roll warp
Feed roll motor 22 is fed in carding machine 1, cooperates with combing by cover board 9, cylinder 10, doffer 11, defeated by the first fibre web outlet roller 13
Short fibre web out；
Step 3: spinning solution in step 1 being added to progress electrostatic spinning in electrostatic spinning apparatus 15 and obtains PAN Nanowire
Dimension, the technological parameter of electrostatic spinning are as follows: application voltage is 45KV, and spinning spacing is 18cm, and spinning environment temperature is 24 DEG C, spinning
Ambient humidity is 60%；The PAN nanofiber under the induction of the steel needle of nanofiber directional induction precipitation equipment directly simultaneously
The lower surface of uniform deposition short fibre web into step 2 obtains nanofiber/short fibre web composite web, and communicated Belt Conveying is to defeated
Out after device, item is pooled by the horn mouth boundling of output device, through drafting (road 2-3), rove and spun yarn, obtains PAN nanometers
Fiber/staple blended yarn.
Obtained nanofiber/staple blended yarn is observed using Electronic Speculum, as a result as shown in Figure 3.
Claims (10)
1. a kind of prepare nanofiber/staple blended yarn device, including carding machine, fibre web transmitting device, electrostatic spinning apparatus
And output device, fibre web transmitting device side are connected by the first feed belt with carding machine, fibre web transmitting device is another
Side is connected by the second feed belt with output device, and the electrostatic spinning apparatus is set to the lower section of fibre web transmitting device,
It is characterized in that, further includes nanofiber directional induction precipitation equipment, the nanofiber directional induction precipitation equipment is located at fibre web
Inside transmitting device, the nanofiber directional induction precipitation equipment includes the needle plate with air hole, on the needle plate
It is evenly distributed with steel needle.
2. preparing nanofiber/staple blended yarn device as described in claim 1, which is characterized in that the carding machine includes
Cover board, is equipped with feed roll motor, cylinder, doffer and angle stripper in cover board, and cover board side is equipped with the first fibre web outlet roller, and described first
The jaw of fibre web outlet roller and the first feed belt are located at same level.
3. preparing nanofiber/staple blended yarn device as described in claim 1, which is characterized in that the fibre web transmission dress
It sets including transmission support lace curtaining and negative pressure air draft apparatus, the transmission support lace curtaining is end to end to surround a hollow chamber, described
Negative pressure air draft apparatus and nanofiber directional induction precipitation equipment are arranged in the chamber that transmission support lace curtaining is formed, nanofiber
Directional induction precipitation equipment is located at immediately below negative pressure air draft apparatus, and steel needle is arranged downward.
4. preparing nanofiber/staple blended yarn device as described in claim 1, which is characterized in that the fibre web transmission
The lower surface of device and the upper surface of the first feed belt and the second feed belt are in same level.
5. preparing nanofiber/staple blended yarn device as claimed in claim 4, which is characterized in that the transmission support net
The side that curtain is located at the part on the horizontal plane is connected with the first feed belt, and the other side is connected with the second feed belt, three
Collective effect realize that fibre web continuously transmits.
6. preparing nanofiber/staple blended yarn device as described in claim 1, which is characterized in that the nanofiber is fixed
Needle plate length and width to induction and deposition device are consistent with the short fibre web length and width in deposition region, needle plate surface be evenly distributed with diameter be 1~
The hollow out air hole of 3mm, so as to the conducting of negative pressure downstream, steel needle length is 1~2cm, and root diameter (RD) is 1~2mm, adjacent steel
Needle 2~3cm of spacing connects -1~-3kv DC high-voltage when nanofiber directional induction precipitation equipment works.
7. preparing nanofiber/staple blended yarn device as described in claim 1, which is characterized in that the output device packet
Include the second fibre web outlet roller, horn mouth, bar cylinder；The fibre web transmitting device passes through the second feed belt and the second fibre web outlet roller
It is connected, horn mouth is arranged in the other side of the second fibre web outlet roller, and bar cylinder is arranged in the bell-mouthed other side.
8. a kind of prepare nanofiber/staple blended yarn method, which is characterized in that using any one of claim 1-7 institute
That states prepares nanofiber/staple blended yarn device, comprising the following steps:
Step 1: high polymer being dissolved in solvent, stirs, obtains electrostatic spinning liquid, wherein the concentration of high polymer is 6- in spinning solution
15wt%；
Step 2: short fibre being distributed cotton, opening picking obtains fiber roll, and fiber roll is combed to obtain short fibre web, short fibre web through carding machine
Fibre web transmitting device is inputted through the first feed belt；
Step 3: spinning solution in step 1 is added to progress electrostatic spinning in electrostatic spinning apparatus and obtains nanofiber, it is described to receive
Rice fiber is deposited directly to the following table of short fibre web in step 2 under the induction of the steel needle of nanofiber directional induction precipitation equipment
Face obtains nanofiber/short fibre web composite web, after the second feed belt is conveyed to output device, by the loudspeaker of output device
Mouth boundling pools item, spins, obtains nanofiber/staple blended yarn.
9. preparing nanofiber/staple blended yarn method as claimed in claim 8, which is characterized in that high poly- in the step 1
Object is polyacrylonitrile, polystyrene, polyurethane or polyamide；Solvent is DMF or deionized water；In the step 2 it is short it is fine be cotton,
Viscose glue or the short fibre of chemical fibre.
10. preparing nanofiber/staple blended yarn method as claimed in claim 8, which is characterized in that quiet in the step 3
The technological parameter of Electrospun are as follows: application voltage is 40-65KV, and spinning spacing is 16-20cm, and spinning environment temperature is 20-25 DEG C,
Spinning environment humidity is 30-65%；The technique spinned in the step 3 includes: drafting, rove and spun yarn.
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