CN106868675B - A kind of continuous preparation device of nanofiber covering yarn - Google Patents
A kind of continuous preparation device of nanofiber covering yarn Download PDFInfo
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- CN106868675B CN106868675B CN201710056690.6A CN201710056690A CN106868675B CN 106868675 B CN106868675 B CN 106868675B CN 201710056690 A CN201710056690 A CN 201710056690A CN 106868675 B CN106868675 B CN 106868675B
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- nanofiber
- tubaeform
- yarn
- secondary sink
- spinning head
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- 239000002121 nanofiber Substances 0.000 title claims abstract description 79
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000009987 spinning Methods 0.000 claims abstract description 51
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 24
- 239000010935 stainless steel Substances 0.000 claims abstract description 24
- 238000011084 recovery Methods 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 10
- 229910000679 solder Inorganic materials 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 238000010041 electrostatic spinning Methods 0.000 abstract description 7
- 238000005253 cladding Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010924 continuous production Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 24
- 239000002131 composite material Substances 0.000 description 8
- 239000000835 fiber Substances 0.000 description 6
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000006210 lotion Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 229920001410 Microfiber Polymers 0.000 description 3
- -1 Polyethylene terephthalate Polymers 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003658 microfiber Substances 0.000 description 3
- 229920000889 poly(m-phenylene isophthalamide) Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002070 nanowire Substances 0.000 description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 2
- 229920002239 polyacrylonitrile Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/36—Cored or coated yarns or threads
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D13/00—Complete machines for producing artificial threads
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D13/00—Complete machines for producing artificial threads
- D01D13/02—Elements of machines in combination
-
- D—TEXTILES; PAPER
- 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
- D01D5/0015—Electro-spinning characterised by the initial state of the material
- D01D5/003—Electro-spinning characterised by the initial state of the material the material being a polymer solution or dispersion
-
- 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
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
-
- 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
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/04—Guides for slivers, rovings, or yarns; Smoothing dies
- D01H13/045—Guide tube
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a kind of continuous preparation devices of nanofiber covering yarn, belong to electrostatic spinning and complex yarn production technical field；The left and right sides spinning head of the device is symmetrically placed in the lower section both sides of tubaeform secondary sink, and is connected respectively with high-pressure electrostatic anode；L-shaped bobbin winoler one end with good deformation and recovery capacity is fixedly connected with tubaeform secondary sink heavy caliber end, and is rotated jointly with it；Tension piece is set above tubaeform secondary sink, sandwich layer yarn is imported through tension piece and stainless steel thread tube, and nanofiber covering yarn is formed after the nano fiber coated generated by both sides spinning head, after after the twizzle export immediately below the tubaeform secondary sink on spool；The present invention realizes nanofiber to the continuous production of the complete cladding and complex yarn of sandwich layer yarn, improves the throughput rate and utilization rate of nanofiber, gained nanofiber covering yarn pattern is good, the degree of orientation is higher.
Description
Technical field
The present invention relates to a kind of spinning device of novel composite yarn, more particularly to a kind of nanofiber covering yarn it is continuous
Preparation facilities belongs to electrostatic spinning and complex yarn production technical field.
Background technology
Electrostatic spinning is a kind of special nanometer and Sub-micro Fibers manufacturing technology, which has simple for process, high
The characteristics of imitating low consumption.Products obtained therefrom has many advantages, such as porosity height, large specific surface area, strong adsorption, is urged in biological medicine, chemistry
The fields such as change, membrane filtration, electronic device have boundless application prospect.
Electrostatic spinning technique carries out jet spinning by the highfield that high-pressure electrostatic (usually thousands of to arrive tens thousand of volts) generates
Prepare nanometer and Sub-micro Fibers.Polymer solution, lotion or molten mass overcome own face after applying high-pressure electrostatic
Power simultaneously sprays electrified jet；Electrified jet is formed by further to cleave, refine under the action of electrostatic repulsion, formed nanometer and
Sub-micro Fibers beam；Fibre bundle rapid curing with the volatilization of solvent, and be eventually deposited in reception device.
However, Electrospun nano-fibers generally exist by non-woven mat or in the form of being orientated fiber, and by its mechanical property
Influence have the shortcomings that twisting, braiding are difficult, no image of Buddha conventional textile fabric material equally obtains extensive use.If can combine
The strength advantage of conventional yarn, conventional yarn and Electrospun nano-fibers progress is effectively compound, it is formed by nanofiber packet
The novel composite yarn covered will certainly will further widen applications to nanostructures field and range.
Traditional textile yarn can be generally divided into the composite yarn etc. of staple yarn, continuous filament yarn, staple fiber and continuous filament yarn,
Type is various, multi-size.Such yarn has very long continuous length and excellent mechanical property, in clothes, ornaments, biology
Medicine and other fields are widely used.
Up to the present, has the report that some Electrospun nano-fibers cladding conventional yarn prepares enhanced complex yarn
Road, such as Zhou Fenglei [Zhou F L, Surface and Coatings Technology, 2009,204 (5):621-628] etc. will
Polyethylene terephthalate (PET) long filament is drawn through spinning zone, has obtained being covered by polyethylene glycol oxide (PEO) nanofiber
Complex yarn；Yang great Xiang [Yang great Xiang, armored force engineering institute journal, 2011,25 (3), 78-81] et al. is also by same
Method has obtained polyacrylonitrile (PAN) nanofiber complex yarn.But the set composite that this method uses cannot achieve Nanowire
Dimension and the rotation of conventional yarn coat, and there is only not coating, incomplete, coating thickness is non-uniform lacks the complex yarn of preparation
Point, and nanofiber waste problem is serious, and the nanofiber other than yarn run trace can not be used effectively.Chinese patent
CN 102912502B disclose a kind of spinning apparatus of nanofiber and filament composite yarn, which passes through physical absorption
Nanofiber is attached on enhancing long filament by method, and prevents the peeling of nanofiber by the Split Down of two root long silks.This is multiple
Attach together low, the incomplete drawback of cladding of setting that there is also nanofiber utilization rates, nanofiber content in prepared complex yarn
It is less, it is unfavorable for the performance of nanofiber effect.Dabirian[Dabirian F,Polymer Engineering&
Science,2012,52(8):1724-1732] etc. using rotation round metal table apparatus sandwich layer yarn is coated, have
It is preferable innovative, and have collected nanofiber composite yarn.But the mode of connection of the device limits to a certain extent
The output rate of nanofiber, and the orientation of yam surface nanofiber is not easy to control, and causes complex yarn because of fluffy more piece
And poor performance；In addition, have a large amount of nanofibres deposits in spinning process on metal round platform surface, nanofiber waste problem according to
So exist.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a kind of nanofiber covering yarn
Functional nano-fiber and conventional yarn are combined with each other, obtain with nano effect by continuous preparation device, the device well
With the good nanofiber covering yarn of pattern of yarn enhancement effect.
A kind of continuous preparation device of nanofiber covering yarn proposed by the present invention, including left side spinning head and right side spinneret
Head, twizzle, tubaeform secondary sink, insulation tube, stainless steel thread tube, tension piece, spool, be used to support twizzle and
The fixing bracket of stainless steel thread tube and two motors, which is characterized in that the device further includes with deformation and recovery capacity
L-shaped bobbin winoler；Wherein, the left side spinning head and right side spinning head are symmetrically placed in the lower section of tubaeform secondary sink two
Side, and be connected respectively with high-pressure electrostatic anode；One end of the L-shaped bobbin winoler is fixed with tubaeform secondary sink heavy caliber end
Connection, and rotated jointly with tubaeform secondary sink；The insulation tube, stainless steel thread tube and tubaeform secondary sink three
Person is coaxially disposed, and insulation tube passes through tubaeform secondary sink small-caliber end jointly after being wrapped on the outside of stainless steel thread tube, no
Rust steel thread tube is connected with high-pressure electrostatic cathode；The tension piece is located above tubaeform secondary sink, and sandwich layer yarn is through opening
Power piece and stainless steel thread tube import, and nanofiber covering yarn is formed after the nano fiber coated generated by both sides spinning head；
The nanofiber covering yarn is after the twizzle export immediately below tubaeform secondary sink on spool；It is described
Tubaeform secondary sink and spool are driven by first motor and the second motor respectively.
The L-shaped bobbin winoler is by L-shaped hard wire and is sleeved on rotatable capillary module on the outside of the hard wire and constitutes；
Wherein, L-shaped hard wire both ends and horizontal angle are 45 °, which is equipped with the pact of constraint capillary module sliding
Beam solder joint, the constraint solder joint and the closing at capillary module both ends match.
The present invention relates to a kind of continuous preparation devices of nanofiber covering yarn, have the following advantages compared with the prior device
And good effect：
Collect the traction of sandwich layer yarn, prepared by nanofiber, twisting is complex as a whole, and realizes the continuous of nanofiber covering yarn
Production；Both sides spinning head is connected with high-pressure electrostatic anode, significantly improves the throughput rate of nanofiber；By L-shaped coiling
The quick rotation of device and tubaeform secondary sink realizes nanofiber in the cladding layer by layer of sandwich layer yarn, coats complete, close
Reality and thickness is uniform；Rotatable capillary module is arranged in L-shaped bobbin winoler surface, and good deformation and recovery capacity are good
It solves the problems, such as the waste of nanofiber, avoids the local accumulation of nanofiber, improve the utilization rate of nanofiber；Using
Nanofiber covering yarn morphology controllable prepared by the device, the nanofiber degree of orientation are high；Preparation facilities is simple in structure, and operation is held
Easily, it is suitble to a variety of spinning solutions.
Description of the drawings
Fig. 1 is nanofiber covering yarn continuous preparation device schematic diagram of the present invention；
Fig. 2 is the partial structural diagram of L-shaped bobbin winoler and tubaeform secondary sink in the present invention；
Fig. 3 is a kind of nanofiber covering yarn design sketch prepared using apparatus of the present invention.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific implementation case is to a kind of continuous preparation of nanofiber covering yarn proposed by the present invention
Device is described further：
The present invention relates to a kind of continuous preparation devices of nanofiber covering yarn, and structure is as shown in Figure 1, the device includes
There is the L-shaped bobbin winoler 3 of deformation and recovery capacity, twizzle 4, tubaeform auxiliary to connect for left side spinning head 1 and right side spinning head 2
Receive device 6, insulation tube 8, stainless steel thread tube 9, tension piece 10, spool 14 is used to support twizzle and stainless steel thread tube
Fixing bracket 19 (refers to Fig. 2), two motors；Wherein, left side spinning head 1 and right side spinning head 2 are symmetrically placed in tubaeform auxiliary
The lower section both sides of receiver 6 are helped, and are connected respectively with high-pressure electrostatic anode 13；One end of L-shaped bobbin winoler 3 connects with tubaeform auxiliary
It receives 6 heavy caliber end of device to be fixedly connected, and is rotated jointly with tubaeform secondary sink 6；Insulation tube 8, stainless steel thread tube 9 and loudspeaker
6 three of shape secondary sink is coaxially disposed, and insulation tube 8 is wrapped in behind 9 outside of stainless steel thread tube jointly across tubaeform auxiliary
6 small-caliber end of receiver, stainless steel thread tube 9 is helped to be connected with high-pressure electrostatic cathode 12；The tension piece 10 is located at tubaeform auxiliary
It helps above receiver, sandwich layer yarn 15 is imported through tension piece 10 and stainless steel thread tube 9, and the nanometer generated by both sides spinning head
Nanofiber covering yarn 11 is formed after fiber cladding；The nanofiber covering yarn, which passes through, to be located at immediately below tubaeform secondary sink
After the export of twizzle 4 on spool 14；Tubaeform secondary sink 6 and spool 14 are respectively by first motor 7 and
Two motors 5 drive.
The L-shaped bobbin winoler 3 is by L-shaped hard wire 16 and is sleeved on rotatable capillary group on the outside of the L-shaped hard wire
Part 17 is constituted, as shown in Figure 2.Wherein, a diameter of 0.5mm of L-shaped hard wire 16, uses between tubaeform secondary sink 6
Welding manner connects, and L-shaped hard wire both ends and horizontal angle are 45 °, has preferable deformation and recovery capacity, stress
Structure resets good after elimination；The internal diameter of the capillary module 17 is 1mm, wall thickness 0.2mm, and shell nosing treatment is done at both ends, can
Movement is rotated freely under external force；L-shaped hard wire 16 is equipped with constraint solder joint 18, the receipts with 17 both ends of capillary module
Mouth matches so that capillary module 17 can not slide along the axial direction of L-shaped hard wire 16；It is generated in spinning process
Nanofiber is influenced to concentrate by electrostatic field to be arranged between L-shaped bobbin winoler 3 and sandwich layer yarn 15, and with tubaeform secondary sink
6 and the rotation of L-shaped bobbin winoler 3 be coated on layer by layer on sandwich layer yarn 15；With the quick winding of nanofiber, fibre length is continuous
Shorten, to generate stress between L-shaped bobbin winoler 3 and sandwich layer yarn 15, causes L-shaped hard wire 16 slowly to deform, at this point, core
Layer yarn 15 twists the nanofiber on 17 surface of capillary module together, has effectively evaded the local accumulation of nanofiber；It waits for
Stress elimination after nanofiber is twisted, L-shaped bobbin winoler 3 resets rapidly and structure reset it is good, enter immediately it is next plus
Cycle is twisted, it is reciprocal with this.The application of L-shaped hard wire 16 and capillary module 17 significantly improves the utilization rate of nanofiber, very
Good solves the problems, such as the waste of nanofiber.
Conventional products realization can be used in remaining part of the present invention, wherein：
The left side spinning head 1 and right side spinning head 2 are axis with sandwich layer yarn 15, horizontal, symmetrically placed, and and high pressure
Electrostatic anode 13 is connected, and voltage is adjustable, adjustable extent 0-50kV；Under same experimental conditions, this mode of connection and conventional connections
Mode (left side spinning head 1 connects high-pressure electrostatic anode, and right side spinning head 2 connects high-pressure electrostatic cathode) is compared, the yield of nanofiber
Improve 25% or more.
The relative altitude of left side spinning head 1 and 2 place plane of right side spinning head and 6 heavy caliber end of tubaeform secondary sink
It is adjustable, adjustable extent 0-25cm；The distance between left and right sides spinning head is also adjustable, adjustable extent 15-40cm.
The tubaeform secondary sink 6 is hollow shell structure, and heavy caliber end diameter 10cm is not arranged in L-shaped for collecting
Nanofiber on bobbin winoler 3, and be wound on sandwich layer yarn 15；The rotation of tubaeform secondary sink 6 is by the second electricity
Machine 7 drives, and rotating speed is adjustable, adjustable extent 0-800rpm.
The stainless steel thread tube 9 is outer diameter 4mm, and the conductive steel pipe of wall thickness 0.5mm, position is by 19 (such as Fig. 2 of fixing bracket
It is shown) adjust, after the insulation of insulation tube 8 with tubaeform secondary sink 6 is coaxial, contactless placement, not with 3 He of L-shaped bobbin winoler
The rotation of tubaeform secondary sink 6 and rotate；Stainless steel thread tube 9 is connected with high-pressure electrostatic cathode 12, and voltage is adjustable, adjustable
Range -30-0kV.
The twizzle 4 is located on the axis of stainless steel thread tube 9, for fixing sandwich layer yarn 15 and nanofiber cored
The wire direction of yarn 11；Twizzle 4 is also fixed by fixing bracket 19, adjustable with the relative altitude of 3 bottom end of L-shaped bobbin winoler, can
Adjust range 0-20cm.
The spool 14 is driven by the second motor 5, and volume yarn speed is adjustable, adjustable extent 0-140rpm.
The continuous preparation device of nanofiber covering yarn using the present invention carries out composite spinning, has obtained a kind of Nanowire
Covering yarn is tieed up, specific process step is as follows：
(1) electrostatic spinning：Prepared polymer dope is added in liquid dispensing apparatus, and according to environmental factor, molten
Liquid property adjustments Optimal Experimental parameter, makes spinning solution obtain nanofiber through left side spinning head 1 and 2 spinning of right side spinning head；It is left
Side spinning head 1 and right side spinning head 2 connect high-pressure electrostatic anode 13；
(2) sandwich layer yarn 15 is introduced through tension piece 10 and stainless steel thread tube 9, both sides spinning head is made to be generated through electrostatic spinning
Nanofiber be arranged on L-shaped bobbin winoler 3, and layer by layer with the quick rotation of L-shaped bobbin winoler 3 and tubaeform secondary sink 6
It is coated on sandwich layer yarn 15, forms nanofiber covering yarn 11；The stainless steel thread tube connects high-pressure electrostatic cathode 12；
(3) nanofiber covering yarn 11 is formed by through lower section twizzle 4, on spool 14；By first motor 5
Spool 14 is driven, realizes the uninterrupted continuous production advanced with nanofiber covering yarn 11 of sandwich layer yarn 15.
Embodiment one
(1) lithium chloride for the poly (PMIA) that mass fraction is 12.6% is prepared first
(LiCl) mass fraction of/dimethylacetylamide (DMAC) initial soln, Chlorine in Solution lithium (LiCl) is 3.0%.
(2) the phase transition function ingredients hydroxypropyl base cellulose fatty acid mixed ester (HPCMEs) of certain mass is added to above-mentioned
In PMIA initial solns, and a small amount of hexamethylene/dimethylbenzene/normal octane (mass ratio 1/2/2) ternary is added in composite solution
Mixed liquor, stirring are completely dissolved to HPCMEs, obtain uniform spinning lotion.In spinning lotion, phase transition function component HPCMEs
Mass ratio with PMIA is 1.5/1, and the mass ratio of hexamethylene/dimethylbenzene/normal octane ternary mixed liquor and DMAC are 1/2.
(3) above-mentioned spinning lotion is added in the two spinning syringes in left and right, the delivery rate that solution is arranged is 150 μ
L/h；Spinning syringe in the left and right sides is connected with left side spinning head 1 and right side spinning head 2 respectively, left side spinning head 1 and right side spray
Silk head 2 is symmetrical, horizontal positioned, and spacing between the two is set as 20cm；Left side spinning head 1 and right side spinning head 2 are and high pressure
Electrostatic anode is connected, spinning voltage 14kV；Horizontal plane where spinning head and 6 heavy caliber transverse plane of tubaeform secondary sink
Vertical range is 10cm；Stainless steel thread tube 9 is connected with high-pressure electrostatic cathode 12, and voltage is set as -2kV；Ambient temperature and
Relative humidity is respectively 25.0 ± 2.3 DEG C and 45 ± 4%.
(4) while electrostatic spinning prepares nano phase change fiber, by the poly- polyvinyl of sandwich layer (PVA) yarn through tension piece 10, no
The steel thread tube 9 that becomes rusty imports, and the yarn count of yarn is 40s；Yarn forms nanofiber covering yarn 11 after nano fiber coated, through leading
Yarn hook 4 is on spool 14；Distance of the twizzle 4 away from 3 bottom end of L-shaped bobbin winoler is 10cm.
(5) rotating speed of L-shaped bobbin winoler 3 and tubaeform secondary sink 6 is set as 250rpm, the rotating speed setting of spool 14
For 0.8rpm.
(6) as shown in figure 3, the pattern of gained nanofiber covering yarn 11 is good, the degree of orientation of outer layer nanofiber is higher,
And yarn cladding is complete, closely knit, uniform.Through measuring, complex yarn diameter is about 174 μm, the average diameter of outer layer nanofiber
About 350nm, nano fiber coated layer thickness are about 25 μm.
Claims (4)
1. a kind of continuous preparation device of nanofiber covering yarn, including left side spinning head and right side spinning head, twizzle, loudspeaker
Shape secondary sink, stainless steel thread tube, tension piece, spool, is used to support twizzle and stainless steel thread tube at insulation tube
Fixing bracket and two motors, which is characterized in that the device further includes the L-shaped bobbin winoler with deformation and recovery capacity；Its
In, the left side spinning head and right side spinning head are symmetrically placed in the lower section both sides of tubaeform secondary sink, and respectively with height
Electrostatic anode is pressed to be connected；One end of the L-shaped bobbin winoler is fixedly connected with tubaeform secondary sink heavy caliber end, and with loudspeaker
Shape secondary sink rotates jointly；The insulation tube, stainless steel thread tube and tubaeform secondary sink three coaxial arrangement, absolutely
Edge pipe passes through tubaeform secondary sink small-caliber end, stainless steel thread tube and height jointly after being wrapped on the outside of stainless steel thread tube
Electrostatic cathode is pressed to be connected；The tension piece is located above tubaeform secondary sink, and sandwich layer yarn is led through tension piece and stainless steel
Spool imports, and nanofiber covering yarn is formed after the nano fiber coated generated by both sides spinning head；The nanofiber cored
Yarn is after the twizzle export immediately below tubaeform secondary sink on spool；The tubaeform auxiliary reception
Device and spool are driven by first motor and the second motor respectively.
2. the continuous preparation device of nanofiber covering yarn according to claim 1, which is characterized in that the L-shaped coiling
Device is by L-shaped hard wire and is sleeved on rotatable capillary module on the outside of the hard wire and constitutes；Wherein, L-shaped hard wire both ends
Be 45 ° with horizontal angle, the hard wire be equipped with constraint capillary module sliding constraint solder joint, the constraint solder joint with
The closing at capillary module both ends matches.
3. the continuous preparation device of nanofiber covering yarn according to claim 2, which is characterized in that the L-shaped hard steel
A diameter of 0.5mm of silk.
4. the continuous preparation device of nanofiber covering yarn according to claim 2, which is characterized in that the capillary group
The internal diameter of part is 1mm, wall thickness 0.2mm.
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| CN107254731A (en) * | 2017-07-04 | 2017-10-17 | 东华大学 | A kind of bionical wetness guiding perspiration discharging yarn and its preparation facilities and method |
| CN108053818B (en) * | 2018-01-25 | 2021-11-02 | 上海钱丰纺织品有限公司 | Loudspeaker positioning support sheet and preparation method thereof |
| CN110306292B (en) * | 2018-03-20 | 2023-08-15 | 河南神玖复合材料有限公司 | Quartz fiber revolution body product processing equipment |
| CN109338526A (en) * | 2018-10-09 | 2019-02-15 | 天津工业大学 | A kind of preparation method of novel conductive yarn |
| CN109137199B (en) * | 2018-10-24 | 2022-05-27 | 东华大学 | Preparation device and method of orientation-controllable electrostatic spinning nanofiber core-spun yarn |
| CN109610068B (en) * | 2019-01-14 | 2021-03-02 | 闽江学院 | Electrostatic spinning nanofiber covering yarn repackaging filament yarn becomes yarn device |
| CN110359150B (en) * | 2019-06-27 | 2021-03-19 | 东华大学 | Use method of cross-scale online core-spun submicron fiber yarn siro spinning device |
| CN111139564A (en) * | 2020-02-28 | 2020-05-12 | 科凯(南通)生命科学有限公司 | Equipment for preparing heart valve suture line |
| CN113106589B (en) * | 2021-04-15 | 2022-07-19 | 苏州大学 | Antibacterial and mothproof heating composite yarn and preparation method thereof |
| CN113981552B (en) * | 2021-11-19 | 2023-04-11 | 嘉兴学院 | Preparation method of elastic nanofiber yarn |
| CN116288847B (en) * | 2023-05-15 | 2023-08-29 | 江苏恒力化纤股份有限公司 | Nanoscale fiber-staple yarn coated yarn and spinning method thereof |
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| CN103088478B (en) * | 2013-02-22 | 2016-01-06 | 东华大学 | A kind of orientation electro-spun nanofiber yarn continuous preparation device |
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