CN105316830A - Yarn spinning method and yarn spinning device for preparing nanofiber-wrapped yarn - Google Patents
Yarn spinning method and yarn spinning device for preparing nanofiber-wrapped yarn Download PDFInfo
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- CN105316830A CN105316830A CN201510826415.9A CN201510826415A CN105316830A CN 105316830 A CN105316830 A CN 105316830A CN 201510826415 A CN201510826415 A CN 201510826415A CN 105316830 A CN105316830 A CN 105316830A
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Abstract
The invention discloses a yarn spinning method and yarn spinning device for preparing nanofiber-wrapped yarn. The yarn spinning device comprises a rough yarn feeding portion, a nanofiber wrapping portion, a drying portion, a drafting portion and a twisting and winding portion; the rough yarn feeding portion comprises a rough yarn frame, a rough yarn pipe rotatably arranged on the rough yarn frame and a false twister for performing loose twisting on rough yarn on the rough yarn pipe; an electrostatic spinning device is adopted as the nanofiber wrapping portion, and the drying portion is located between the nanofiber wrapping portion and the drafting portion; the drafting portion comprises a gathering opening, a back roller, a back glue roll, a middle roller, a middle glue roll, a front roller and a front glue roll; the twisting and winding portion comprises a yarn guide hook, a spindle, a steel collar and a steel wire ring. Compared with the prior art, the yarn spinning method and yarn spinning device for preparing the nanofiber-wrapped yarn have the advantages that the production equipment is simple, the produced nanofiber-wrapped yarn is good in nanofiber distribution uniformity.
Description
Technical field
The present invention relates to a kind of spinning method and the spinning apparatus of preparing nanofiber wrapped yarn, the difficulty that current nanofiber is difficult to resultant yarn can be solved, by nanofiber through twisting effective looping in yarn surface, making yam surface present the surface nature of nanofiber.
Background technology
Along with developing rapidly of nano material, nanofiber is announced to the world splendidly, nanofiber has good small-size effect because of less specific area, quantum size effect, in surface-activity, absorb ultraviolet, feature highly significant on shielding electromagnetic wave, therefore the application of nanofiber is also subject to showing great attention to of every profession and trade, in Aero-Space, automobile, the materials such as filtration all has certain product R & D, its main product form is nano fibrous membrane, but there is the unmanageable problem of the uniformity on the one hand in nano fibrous membrane, the output of nanofiber remains maximum bottleneck on the one hand in addition, the scientific research institutions of a lot of colleges and universities or nano materials research is had just to be devoted in the research of nanofiber spinning apparatus at present, as developed brand-new nanofiber shredding, the little sampling device of combing, or in process prepared by nanofiber, directly adopt flow rotation effect to prepare nano fibre yarn, but these technology are not equipment development cost higher positions is only have certain researching value in theory, be applied in if want in actual production and still there is certain difficulty, the skin effect of nanofiber is relied on if in fact want, there is no need to be all nanofiber in material internal structure, if be applied on weaving face fabric, we can be outer at yarn semi-products by nanofiber uniform fold, by certain twisting effect, nanofiber looping is entered yarn body inside, form unique nano fiber outer layer effect.
Summary of the invention
For solving current nano fibre yarn resultant yarn difficulty, the unmanageable problem of the nano fibre yarn fineness uniformity, and current nano fibre yarn equipment development cost is high, and there is a lot of difficult points in batch production, the invention provides a kind of apparatus structure simple, can be mass, the spinning process of nanofiber wrapped yarn that nanofiber distribution consistency degree is good and device for spinning.
The technical solution adopted for the present invention to solve the technical problems is:
Prepare a spinning process for nanofiber wrapped yarn, it is characterized in that, step is as follows:
Step one, loose twist is carried out to rove;
Step 2, to the rove of loose twist by electrostatic spinning technique at rove surface aggregation nanofiber;
Step 3, to gathering have the rove of nanofiber to carry out drying;
Step 4, drawing-off and twisting winding are carried out to the rove after drying.
A kind of spinning apparatus preparing nanofiber wrapped yarn, it is characterized in that: comprise rove feeding part, nanofiber looping part, drying part, drawing-off part and twisting winding part, described rove feeding part comprise creel, rotation be arranged on the flyer bobbin on described creel and the false twister to rove loose twist on described flyer bobbin; Described nanofiber looping part is electrostatic spinning apparatus, this electrostatic spinning apparatus comprises spinning solution container and receiver, described spinning solution container and receiver are between described creel and false twister, and described rove passes through between described spinning solution container and receiver; Described drying part is between described nanofiber looping part and described drawing-off part; Described drawing-off part comprises gathers mouth, rear roller, back cot, middle roller, mid-rubber roll, front roller and front rubber roll, and described rear roller and back cot, middle roller and mid-rubber roll and rear roller and back cot form rear haulage, middle traction and front haulage successively; Described twisting winding part comprises twizzle, spindle, rings and steel traveler, and described rings is fixed on described spindle, and described rings arranges described steel traveler, and described twizzle is arranged on the top of described rings.
Described electrostatic spinning apparatus also comprises the nitrogen tube goed deep in described spinning solution container, and the shape of this nitrogen tube outlet is the trilobal that the bubble that electrostatic spinning apparatus is produced longitudinally carries out along rove arranging.
Described drying part is baking oven.
Described creel is also provided with a rove supporter.
Described spinning solution container is spinning tank, and the vertical interval of spinning tank and rove is 6 ~ 10mm, and the spacing of rove and recipient is 5 ~ 8mm.
Spinning tank is rectangle, and the length of rectangle is 20 ~ 26mm, and width design is 5 ~ 8mm.
Compared with prior art, the mode that the present invention adopts loose twist to be combined with electrostatic spinning apparatus, nanofiber is gathered in the gap of the inner conventional fibre of yarn, because of false twister formation is false-twisted process, yarn can be added the twist again after walking out false twister again, and be unlikely to adhere on spinning parts after ensureing nanofiber looping, whole nanofiber looping part is in oven environment, make nanofiber flash baking, it is inner that dried nanofiber is embedded yarn body by twisting completely, the rove body that embedded in nanofiber passes through guide strip roller smoothly, gather the drawing-off part that mouth enters spun yarn, through rear roller, back cot, middle roller, mid-rubber roll, the drawing-off of front roller and front rubber roll, by the drawing-off of rove bar to required fineness, walk around twizzle, through the steel traveler on rings, rely on the twisting of rotation realization to spun yarn of spindle, and be wound up on ring bobbin by regular for spun yarn, with regard to shape, nanofiber is twisted between conventional fibre closely like this, form a kind of nanofiber wrapped yarn, there is production equipment simple, the advantages such as the nanofiber wrapped yarn nanofiber distribution consistency degree produced is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is the structural representation of untwisted front nanofiber looping rove;
Fig. 3 is nanofiber Fasciated spun yarn structural representation after twisting;
In figure: 1, creel; 2, rove supporter; 3, flyer bobbin; 4, rove; 5, false twister; 6, HV generator; 7, nitrogen; 8, nitrogen tube; 9, rectangle spinning tank; 10, receiver; 11, baking oven; 12, guide strip roller; 13, mouth is gathered; 14, rear roller; 15, back cot; 16, middle roller; 17, mid-rubber roll; 18, front roller; 19, front rubber roll; 20, twizzle; 21, rings; 22, steel traveler; 23, ring bobbin; 24, spindle; 25, nanofiber; 26, conventional fibre.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
A kind of nanofiber wraping spinning of the present invention device, as shown in Figure 1, comprise creel 1, rove supporter 2, flyer bobbin 3 and rove 4, creel 1 and rove supporter 2 are the flexible rotatings in order to ensure flyer bobbin 3, rove 4 can be got off from flyer bobbin 3 unwinding flexibly, false twister 5 rotates in the counterclockwise direction, and be the untwisting in order to enable rove realize to a certain degree smoothly, rove yarn has certain separation, after HV generator 6 is opened, in rectangle spinning tank 9, spinning solution just produces electrostatic, the Design of length of rectangle spinning tank is 20 ~ 26mm, width design is 5 ~ 8mm, the position of rectangle spinning tank is in immediately below rove longitudinal direction, the vertical interval of rectangle spinning tank and rove is designed to 6 ~ 10mm, the line space design of rove and recipient 10 is 5 ~ 8mm, nitrogen 7 is passed into spinning solution by nitrogen tube 8, nitrogen tube 8 exit design becomes trilobal, to ensure that the nanofiber spun out is in immediately below rove yarn all the time like this, bubble is formed on spinning solution surface after rising gradually after nitrogen 7 passes into spinning solution, countless broken spinning solutions are formed after bubble chamber film breaks, spinning solution just forms ultra-fine nanofiber under the stretching action of high-pressure electrostatic, because now rove is by untwisting, certain interval is had between yarn, shown in Figure 2, nanofiber 25 just can gather in the gap of the inner conventional fibre 26 of yarn uniformly, remaining nanofiber just gathers on receiver 10 and forms nano fibrous membrane, because of false twister 5 formation is false-twisted process, yarn can be added the twist again after walking out false twister 5 again, be unlikely to adhere on spinning parts after ensureing nanofiber looping, whole nanofiber looping part is in oven environment, make nanofiber flash baking, it is inner that dried nanofiber is embedded yarn body by twisting completely, embedded in the rove body of nanofiber smoothly by guide strip roller 12, gather the drawing-off part that mouth 13 enters spun yarn, through rear roller 14, back cot 15, middle roller 16, mid-rubber roll 17, the drawing-off of front roller 18 and front rubber roll 19, by the drawing-off of rove bar to required fineness, walk around twizzle 30, through the steel traveler 22 on rings 21, rely on the twisting of rotation realization to spun yarn of spindle 24, and be wound up on ring bobbin 23 by regular for spun yarn, with regard to shape, nanofiber 25 is twisted between conventional fibre 26 closely like this, form a kind of nanofiber wrapped yarn, structural representation is shown in Fig. 3.
Embodiment one
The spinning process developing a kind of polyacrylonitrile nanofiber looping 15.6tex Quality Pure Cotton Yarn Production is: choosing textile rove dry is quantitatively 4.12g/10m, roving twist factor is 73.76, by textile rove from unwinding flyer bobbin, false twister rotates the twist unwinding 1/3 making textile rove in the counterclockwise direction, selection high-pressure electrostatic is 20KV, spinning solution is the polyacrylonitrile/dimethyl formamide solution of 8%, the length of spinning tank is 20mm, width design is 6mm, the vertical interval of rectangle spinning tank and rove is designed to 8mm, the line space design of rove and recipient is 5mm, be filled with nitrogen, under the effect of high-voltage electrostatic field, ultra-fine polyacrylonitrile nanofiber is drawn into after the bubbles burst that spinning solution is formed, under the rotation unwinding of false twister, polyacrylonitrile nanofiber can be evenly distributed in the gap in textile rove body between cotton fiber, whole polyacrylonitrile nanofiber looping environment is designed at constant temperature in the baking oven of 80 DEG C, such rove is passed by after false twister, it is inner that dried polyacrylonitrile nanofiber is twisted into rove yarn body rapidly, remaining polyacrylonitrile nanofiber is aggregated on receiver simultaneously, after walking out baking oven, along rove guide strip roller, enter the drawing-off realizing rove yarn after gathering mouth, yarn twist factor is designed to 360, and the rolling step of complete Quality Pure Cotton Yarn Production, material is thus formed the 15.6tex Quality Pure Cotton Yarn Production of polyacrylonitrile nanofiber looping.
Embodiment two
The spinning process developing a kind of polyacrylonitrile nanofiber looping 32.6tex cotton/sky silk/jute 45/35/20 blended yarn is: choosing cotton/sky silk/jute rove dry is quantitatively 4.68g/10m, roving twist factor is 83.58, by cotton/sky silk/jute blended roving from unwinding flyer bobbin, false twister rotates the twist unwinding 2/5 making textile rove in the counterclockwise direction, selection high-pressure electrostatic is 25KV, spinning solution is the polyacrylonitrile/dimethyl formamide solution of 10%, the length of spinning tank is 24mm, width design is 8mm, the vertical interval of rectangle spinning tank and rove is designed to 6mm, the line space design of rove and recipient is 6mm, be filled with nitrogen, under the effect of high-voltage electrostatic field, ultra-fine polyacrylonitrile nanofiber is drawn into after the bubbles burst that spinning solution is formed, under the rotation unwinding of false twister, polyacrylonitrile nanofiber can be evenly distributed in cotton fiber in cotton/sky silk/jute rove blended roving body, in gap between it silk and tossa, whole polyacrylonitrile nanofiber looping environment is designed at constant temperature in the baking oven of 85 DEG C, such rove is passed by after false twister, it is inner that dried polyacrylonitrile nanofiber is twisted into rove yarn body rapidly, remaining polyacrylonitrile nanofiber is aggregated on receiver simultaneously, after walking out baking oven, along rove guide strip roller, enter the drawing-off realizing rove yarn after gathering mouth, yarn twist factor is designed to 390, and complete cotton/sky silk/jute 45/35/20 blended yarn rolling step, material is thus formed 32.6tex cotton/sky silk/jute 45/35/20 blended yarn of polyacrylonitrile nanofiber looping.
Therefore the yarn that this device can be applicable to different cultivars carries out the looping of nanofiber, to realize the skin effect of nanofiber, in the process of nanofiber wraping spinning, the looping effect of nanofiber on spun yarn surface can be controlled by regulating the size of high-voltage electrostatic field, rectangle spinning tank and the vertical interval of rove, the speed being filled with nitrogen amount and size, the temperature of baking oven and the size of yarn twist factor.
Claims (7)
1. prepare a spinning process for nanofiber wrapped yarn, it is characterized in that, step is as follows:
Step one, loose twist is carried out to rove;
Step 2, to the rove of loose twist by electrostatic spinning technique at rove surface aggregation nanofiber;
Step 3, to gathering have the rove of nanofiber to carry out drying;
Step 4, drawing-off and twisting winding are carried out to the rove after drying.
2. prepare the spinning apparatus of nanofiber wrapped yarn for one kind, it is characterized in that: comprise rove feeding part, nanofiber looping part, drying part, drawing-off part and twisting winding part, described rove feeding part comprise creel, rotation be arranged on the flyer bobbin on described creel and the false twister to rove loose twist on described flyer bobbin; Described nanofiber looping part is electrostatic spinning apparatus, this electrostatic spinning apparatus comprises spinning solution container and receiver, described spinning solution container and receiver are between described creel and false twister, and described rove passes through between described spinning solution container and receiver; Described drying part is between described nanofiber looping part and described drawing-off part; Described drawing-off part comprises gathers mouth, rear roller, back cot, middle roller, mid-rubber roll, front roller and front rubber roll, and described rear roller and back cot, middle roller and mid-rubber roll and rear roller and back cot form rear haulage, middle traction and front haulage successively; Described twisting winding part comprises twizzle, spindle, rings and steel traveler, and described rings is fixed on described spindle, and described rings arranges described steel traveler, and described twizzle is arranged on the top of described rings.
3. spinning apparatus according to claim 2, it is characterized in that: described electrostatic spinning apparatus also comprises the nitrogen tube goed deep in described spinning solution container, the shape of this nitrogen tube outlet is the trilobal that the bubble that electrostatic spinning apparatus is produced longitudinally carries out along rove arranging.
4. the spinning apparatus according to Claims 2 or 3, is characterized in that: described drying part is baking oven.
5. spinning apparatus according to claim 4, is characterized in that: on described creel, be also provided with a rove supporter.
6. spinning apparatus according to claim 5, is characterized in that: described spinning solution container is spinning tank, and the vertical interval of spinning tank and rove is 6 ~ 10mm, and the spacing of rove and recipient is 5 ~ 8mm.
7. spinning apparatus according to claim 6, is characterized in that: spinning tank is rectangle, and the length of rectangle is 20 ~ 26mm, and width design is 5 ~ 8mm.
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Cited By (7)
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| CN106498569A (en) * | 2016-12-14 | 2017-03-15 | 盐城工学院 | A kind of method for possessing dyeing function and the spinning frame of twisting winding integration and manufacture spun yarn |
| CN106498570A (en) * | 2016-12-14 | 2017-03-15 | 盐城工学院 | A kind of method for possessing the dry test function of bar and the spinning frame of twisting winding integration and manufacture spun yarn |
| CN106637570A (en) * | 2016-12-14 | 2017-05-10 | 盐城工学院 | Warping machine with dyeing effect detection function and warping method |
| CN108611688A (en) * | 2018-05-08 | 2018-10-02 | 绍兴文理学院 | For the processing unit (plant) of multiply nanofiber complex yarn and the preparation method of yarn |
| CN108796682A (en) * | 2018-05-21 | 2018-11-13 | 浙江理工大学 | A kind of device and Yarn spinning method of continuous high-efficient enhancing nanofiber resultant yarn |
| CN109610068A (en) * | 2019-01-14 | 2019-04-12 | 闽江学院 | A kind of Electrospun nano-fibers covering yarn packet long filament resultant yarn device and method again |
| CN116043341A (en) * | 2023-02-28 | 2023-05-02 | 苏州红旭新材料科技有限公司 | Triaxial electrostatic spinning spiral hollow antistatic elastic fiber and preparation method thereof |
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| CN106498570A (en) * | 2016-12-14 | 2017-03-15 | 盐城工学院 | A kind of method for possessing the dry test function of bar and the spinning frame of twisting winding integration and manufacture spun yarn |
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| CN109610068A (en) * | 2019-01-14 | 2019-04-12 | 闽江学院 | A kind of Electrospun nano-fibers covering yarn packet long filament resultant yarn device and method again |
| CN116043341A (en) * | 2023-02-28 | 2023-05-02 | 苏州红旭新材料科技有限公司 | Triaxial electrostatic spinning spiral hollow antistatic elastic fiber and preparation method thereof |
| CN116043341B (en) * | 2023-02-28 | 2024-04-26 | 苏州红旭新材料科技有限公司 | Triaxial electrostatic spinning spiral hollow antistatic elastic fiber and preparation method thereof |
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Application publication date: 20160210 |