CN113913951A - Spinning device for melt-blown micro-nanofiber wool-sprayed yarns - Google Patents
Spinning device for melt-blown micro-nanofiber wool-sprayed yarns Download PDFInfo
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- CN113913951A CN113913951A CN202111388540.8A CN202111388540A CN113913951A CN 113913951 A CN113913951 A CN 113913951A CN 202111388540 A CN202111388540 A CN 202111388540A CN 113913951 A CN113913951 A CN 113913951A
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- spinneret
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- 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
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/02—Spinnerettes
- D01D4/025—Melt-blowing or solution-blowing dies
Abstract
The invention discloses a spinning device for melt-blown micro-nanofiber wool-sprayed yarns, which comprises a melt-blown spinning device, a cladding device and a winding device, wherein the cladding device is arranged on the melt-blown spinning device; the melt-blown spinning device, the cladding device and the winding device are sequentially connected; the micro-nanofiber wool spraying yarn comprises melt-blown micro-nanofibers, a core yarn and a coating yarn, wherein the coating yarn is wound on the core yarn, and the melt-blown micro-nanofibers are attached to the surface of the coating yarn and wound on the core yarn. According to the invention, the micro-nano fibers formed by the melt-blown spinning device are wrapped on the surface of the core yarn by the wrapping device to form the melt-blown micro-nano fiber hair-spraying yarn, and the melt-blown micro-nano fibers form hairiness on the surface of the yarn, so that the melt-blown micro-nano fiber single-fiber application is realized, and the micro-nano fiber hair-spraying yarn has the specific function of the melt-blown micro-nano fibers and the plush effect of the hair-spraying yarn.
Description
Technical Field
The invention belongs to the technical field of spinning, and particularly relates to a spinning device for melt-blown micro-nanofiber wool-sprayed yarns.
Background
With the development of society, the living standard of people is continuously improved, the fabric is required to have beautiful appearance and comfortable hand feeling, but the traditional yarn cannot have beautiful appearance and comfortable hand feeling. The yarn breaks through the characteristic of 'wrapping' of the traditional yarn, and wraps the fibers by using a net structure, the structure of the internal fibers is loose and disordered, so that the yarn is fluffy and soft, meanwhile, the heat retention is very good, the volume under the same count is larger, and the yarn used by a single piece of clothes is about thirty percent lighter than the conventional yarn. Therefore, the wool-sprayed yarn is more and more favored by consumers because of the advantages of soft hand feeling, light weight, fluffy warmth retention and the like.
The melt-blown spinning method is a spinning method which makes the just extruded high polymer melt quickly draw, solidify and form at high power by means of high-speed hot air flow, and is a technology for directly preparing superfine fibers or fiber web products by taking the high polymer melt as a raw material. The process engineering of melt-blown spinning comprises the following steps: firstly, feeding high polymer slices into a hopper and feeding the high polymer slices into a screw extruder; secondly, in the process of forward conveying under the extrusion force of the screw, the polymer is heated and gradually melted until the polymer is completely melted, mixed, uniform, filtered and metered and then enters a spinning box; and finally, after the melt is extruded from the spinneret, superfine fibers are formed under the stretching action of high-temperature and high-speed air jet flow and are condensed on a net forming curtain to be bonded into a net by self.
The fiber material produced by melt-blown spinning has the characteristics that the average diameter of the fiber is fine, reaches the micron or submicron level, and has a large specific surface area, so that the melt-blown spinning fiber net material has outstanding particle capture and particle blocking capabilities, and the application field of melt-blown fiber material products is very wide. The main fields of application for melt-blown spun fiber products include: filter materials, medical materials, sanitary materials, oil-absorbing materials, clothing materials, hot-melt adhesives, special electronic materials, hybrid applications, and the like.
Aiming at the problems that the fibers formed by the traditional melt-blown spinning are basically in a fiber net form and are difficult to form a single fiber state, the invention realizes the single fiber application of the melt-blown spinning nanofiber by adopting the special designed hollow spindle through the unique design of the melt-blown spinning die head, and has the specific functional effect of the micro-nanofiber and the plush effect of the wool yarn.
Disclosure of Invention
The purpose of the invention is as follows: in order to solve the defects of the prior art, the invention provides a spinning device for melt-blowing micro-nanofiber wool-spraying yarns.
The technical scheme is as follows: a spinning device for melt-blowing micro-nanofiber wool-spraying yarns comprises a melt-blowing spinning device, a cladding device and a winding device; the melt-blown spinning device, the cladding device and the winding device are sequentially connected;
the melt-blown spinning device comprises a feeding hopper, a melt-blown spinning body, a melt-blown spinning head, melt-blown micro-nanofibers, a core filament barrel, core filaments and a yarn guide rod, wherein PP raw materials are fed from the feeding hopper, are subjected to heating treatment by the melt-blown spinning body and are sprayed out from the melt-blown spinning head to form the melt-blown micro-nanofibers;
the melt-blown spinneret comprises four components, namely a spinneret end cover, a spinneret spinning component, a spinneret hot air component and a spinneret spinning hole component;
the spinneret end cover comprises a spinneret molten high polymer feeding hole and a spinneret hot air inlet; the spinning pack of the spinning head comprises a spinning head hot air channel, a spinning head molten high polymer cavity, a spinning head hot air pipe, a spinning head molten high polymer spinning nozzle and a spinning head hot air inlet; the spinneret hot air assembly comprises spinneret hot air spray holes; the PP material in a molten state after being heated enters a spinneret molten high polymer cavity from a spinneret molten high polymer feeding hole, and is sprayed out from a spinneret orifice of a spinneret to form melt-blown micro-nanofibers;
wherein, a part of heated hot air enters from a hot air inlet of the spinneret and is directly sprayed out from a hot air channel hole of the spinneret in the middle of the spinneret; the other part of heated hot air enters an annular hot air pipeline of the spinning nozzle from a hot air inlet of the spinning nozzle, is sprayed out from hot air spray holes of the spinning nozzle in a hot air assembly of the spinning nozzle and is sprayed out through an air spraying channel formed by the spinning nozzle assembly and the spray hole assembly of the spinning nozzle to form annular high-speed hot air flow; forming strong high-speed hot air flow by the hot air of the two parts, and stretching PP high polymer sprayed out from a high polymer spray nozzle of a spinneret to form melt-blown micro-nanofibers;
the core wire is unwound from the core wire barrel, passes through the yarn guide rod and is sent into a self-exhaust hollow spindle in the cladding device;
the coating device comprises a self-exhaust hollow spindle, a coating wire, a motor and a rack; the self-exhaust hollow spindle and the motor are installed on the rack, and the motor drives the self-exhaust hollow spindle to rotate; the coating wire rotates along with the self-exhaust hollow spindle, the coating wire forms a rotary air ring, the melt-blown micro-nano fiber is attached to the surface of the coating wire and is wound on the core wire along with the rotation of the spindle to form micro-nano fiber fluffing yarn;
the winding device comprises a yarn guide rod, a winding roller, a cone yarn frame, a motor and a rack; coiling roller, cheese frame and motor install in the frame, micro-nanofiber spout wool yarn through the yarn guide rod, form the cheese by coiling roller transmission, coiling, the cheese install on the cheese frame, the coiling roller by motor drive.
As an optimization: the self-exhaust hollow spindle is divided into a spindle non-hole section and a spindle hole section, a self-exhaust hollow spindle exhaust hole and a self-exhaust hollow spindle core hole are arranged in the spindle hole section, the exhaust direction of the self-exhaust hollow spindle exhaust hole is opposite to the rotation direction V of the self-exhaust hollow spindle, the self-exhaust hollow spindle can rotate to exhaust air through the self-exhaust hollow spindle exhaust hole, negative pressure is formed at the upper part of the self-exhaust hollow spindle, the negative pressure can guide melt-blown airflow, melt-blown micro-nano fibers are introduced into the self-exhaust hollow spindle and can be caught by a wrapping yarn, and micro-nano fiber wool-blown yarns are formed.
As an optimization: the micro-nanofiber wool spraying yarn comprises melt-blown micro-nanofibers, a core wire and a coating wire, wherein the coating wire is wound on the core wire, and the melt-blown micro-nanofibers are attached to the surface of the coating wire.
Has the advantages that: aiming at the problems that the fibers formed by the traditional melt-blown spinning are basically in a fiber web shape and are difficult to form a single fiber state, the invention adopts a specially designed hollow spindle to produce the melt-blown micro-nanofiber wool blowing yarn through the unique melt-blown spinning die head design, realizes the single fiber application of the melt-blown spinning nanofiber, and has the specific functions of the micro-nanofiber and the wool blowing effect of the wool blowing yarn.
Drawings
FIG. 1 is a schematic view of the overall structure of a melt-blown yarn spinning machine of the present invention; wherein, 1-melt spinning device; 2-a cladding device; 3-a winding device;
FIG. 2 is a schematic view of the overall structure of the melt-blowing spinning apparatus of the present invention; wherein, 1-melt spinning device; 11-a feeding hopper; 12-melt spinning a body; 13-a meltblown spinneret; 14-meltblown fibers; 15-core wire tube; 16-core filament; 17. 18-a yarn guide bar;
FIG. 3 is a schematic structural view of a meltblowing spinneret of the present invention; wherein, 13-a melt-blown spinneret; 131-spinneret end cap; 132-a spinneret pack; 133-spinneret hot air assembly; 134-a spinneret orifice assembly;
FIG. 4 is a schematic structural view of a spinneret end cap of the present invention; wherein, 131-spinneret end cap; 1311-spinneret melt high polymer feed port; 1312-spinneret hot air inlet;
FIG. 5 is a schematic structural view of a spin pack assembly of the present invention; wherein, 132-spinneret spin pack; 1321-spinneret hot air channel; 1322-spinneret melt polymer chamber; 1323-spinneret hot air tube; 1324-spinneret melt high polymer spinneret; 1325-spinneret hot air inlet; 133-spinneret hot air assembly; 1331-hot air orifice of spinneret;
FIG. 6 is a schematic structural view of a spin pack assembly of the present invention; wherein, 132-spinneret spin pack; 1325-spinneret hot air inlet; 133-spinneret hot air assembly;
FIG. 7 is a schematic structural view of a spinneret orifice assembly of the present invention; wherein, 134-spinneret orifice assembly;
FIG. 8 is a schematic view of the construction of the cladding apparatus of the present invention; wherein, 2-a coating device; 21-self-venting hollow spindle; 22-coating silk; 23-a motor; 24-a frame;
FIG. 9 is a schematic structural view of the self-venting hollow spindle of the present invention; wherein, 21-the hollow spindle of self-exhaust; 211-non-porous section of spindle; 212-spindle with hole section; 22-wrapping the filament; 16-core filament;
FIG. 10 is a schematic cross-sectional view of the self-venting hollow spindle of the present invention; 2121- -air exhaust hole of self-air exhaust hollow spindle; 2122-self-venting hollow spindle core;
FIG. 11 is a schematic view of the construction of the winding assembly of the present invention; wherein, 3-a winding device; 31-a yarn guide rod; 32-a winding roller; 33-cone yarn; 34-creel; 35-a motor; 36-a frame;
figure 12 is a schematic representation of the yarn structure of the present invention. Wherein, 14-melt-blowing micro-nano fibers; 16-core filament; 22-coated yarn.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below so that those skilled in the art can better understand the advantages and features of the present invention, and thus the scope of the present invention will be more clearly defined. The embodiments described herein are only a few embodiments of the present invention, rather than all embodiments, and all other embodiments that can be derived by one of ordinary skill in the art without inventive faculty based on the embodiments described herein are intended to fall within the scope of the present invention.
Examples
As shown in fig. 1, a spinning device for melt-blowing micro-nanofiber wool-spraying yarns comprises a melt-blowing spinning device 1, a cladding device 2 and a winding device 3; the melt-blown spinning device 1, the cladding device 2 and the winding device 3 are connected in sequence.
As shown in fig. 2, the melt-blown spinning device 1 includes a feeding hopper 11, a melt-blown spinning body 12, a melt-blown spinneret 13, melt-blown micro-nanofibers 14, a core-filament drum 15, core filaments 16, and yarn guide rods 17 and 18, and a PP raw material is fed from the feeding hopper 11, and is subjected to a heating treatment by the melt-blown spinning body 12, and is ejected from the melt-blown spinneret 13 to form the melt-blown micro-nanofibers 14.
As shown in fig. 3, the meltblowing nozzle 13 includes four assemblies, a nozzle cover 131, a nozzle spinning pack 132, a nozzle hot air assembly 133, and a nozzle orifice assembly 134.
As shown in fig. 4-7, the spinneret cover 131 includes a spinneret melt polymer feed inlet 1311 and a spinneret hot air inlet 1312; the spinneret spinning assembly 132 comprises a spinneret hot air channel 1321, a spinneret molten high polymer cavity 1322, a spinneret hot air pipe 1323, a spinneret molten high polymer spinneret 1324 and a spinneret hot air inlet 1325; the hot air spinneret assembly 133 includes hot air spinneret holes 1331. The molten PP material after heating treatment enters the spinneret molten high polymer cavity 1322 from the spinneret molten high polymer feed inlet 1311, and is then ejected from the spinneret molten high polymer ejection outlet 1324 to form the melt-blown micro-nanofibers 14.
Wherein a portion of the heated hot air enters from the spinneret hot air inlet 1312 and is directed out of the spinneret middle spinneret hot air passage holes 1321; another part of the heated hot air enters the annular hot air duct 1323 of the spinneret from the hot air inlet 1325 of the spinneret, and then is sprayed out from the hot air spray holes 1331 of the spinneret in the hot air assembly 133 of the spinneret, and is sprayed out through the air spray channel formed by the spinneret spray assembly 132 and the spinneret spray hole assembly 134 to form an annular high-speed hot air flow; the hot air of the two parts forms strong high-speed hot air flow, and PP high polymer sprayed from a high polymer spinneret 1324 melted by a spinneret is stretched to form the melt-blown micro-nanofibers 14.
The core wire 16 is unwound from the core wire drum 15, passes through the thread-guiding bars 17, 18 and is fed into the self-venting hollow spindle 21 in the covering device 2.
As shown in fig. 8, the coating device 2 comprises a self-exhaust hollow spindle 21, a coating wire 22, a motor 23 and a frame 24; the frame 24 is provided with a self-exhaust hollow spindle 21 and a motor 23, and the motor 23 drives the self-exhaust hollow spindle 21 to rotate.
The coating wire 22 rotates along with the self-exhaust hollow spindle 21, the coating wire 22 forms a rotary air ring, the melt-blown micro-nanofibers 14 are attached to the surface of the coating wire 22, and the melt-blown micro-nanofibers are wound on the core wire 16 along with the rotation of the spindle to form micro-nanofiber fuzzing yarns, as shown in fig. 12.
As shown in fig. 9, the self-venting hollow spindle 21 is divided into a non-porous spindle section 211 and a porous spindle section 212, the cross section of the porous spindle section 212 is shown in fig. 10, a self-venting hollow spindle exhaust hole 2121 and a self-venting hollow spindle core hole 2122 are arranged in the porous spindle section 212, the exhaust direction of the self-venting hollow spindle exhaust hole 2121 is opposite to the rotation direction V of the self-venting hollow spindle 21, so that the self-venting hollow spindle 21 can rotate to exhaust air through the self-venting hollow spindle exhaust hole 2121, a negative pressure is formed at the upper part of the self-venting hollow spindle 21, the negative pressure can guide a melt-blown air flow, and the micro-nano fiber 14 is introduced into the self-venting hollow spindle 21 to be caught by the covering filament 22, so as to form the micro-nano fiber jet yarn.
As shown in fig. 11, the winding device 3 includes a yarn guide bar 31, a winding roller 32, a yarn package 33, a yarn package holder 34, a motor 35 and a frame 36; winding roller 32, bobbin creel 34 and motor 35 install in frame 36, micro-nano fiber spout wool yarn through yarn guide rod 31, form bobbin yarn 33 by winding roller 32 transmission, coiling, bobbin yarn 33 install on bobbin creel 34, winding roller 32 transmit by motor 35.
As shown in fig. 12, the micro-nanofiber wool blowing yarn includes a melt-blown micro-nanofiber 14, a core filament 16 and a covering filament 22, the covering filament 22 is wound on the core filament 16, and the melt-blown micro-nanofiber 14 is attached to the surface of the covering filament 22.
Claims (3)
1. A spinning device for melt-blowing micro-nanofiber wool-spraying yarns comprises a melt-blowing spinning device (1), a cladding device (2) and a winding device (3); the melt-blown spinning device (1), the cladding device (2) and the winding device (3) are connected in sequence;
the melt-blown spinning device (1) comprises a feeding hopper (11), a melt-blown spinning body (12), a melt-blown spinning nozzle (13), melt-blown micro-nano fibers (14), a core yarn cylinder (15), core yarns (16) and yarn guide rods (17, 18), wherein a PP raw material is fed from the feeding hopper (11), and is sprayed out from the melt-blown spinning nozzle (13) through the heating treatment of the melt-blown spinning body (12) to form the melt-blown micro-nano fibers (14);
the melt-blown spinneret (13) comprises four components, namely a spinneret end cover (131), a spinneret spinning component (132), a spinneret hot air component (133) and a spinneret jet hole component (134);
the spinneret end cover (131) comprises a spinneret molten high polymer feed inlet (1311) and a spinneret hot air inlet (1312); the spinneret spinning assembly (132) comprises a spinneret hot air channel (1321), a spinneret molten high polymer cavity (1322), a spinneret hot air pipe (1323), a spinneret molten high polymer spinneret orifice (1324) and a spinneret hot air inlet (1325); the spinneret hot air assembly (133) comprises spinneret hot air spray holes (1331); the molten PP material after the heating treatment enters a spinneret molten high polymer cavity (1322) from a spinneret molten high polymer feeding hole (1311), and is sprayed out from a spinneret molten high polymer spraying hole (1324) to form melt-blown micro-nano fibers (14);
wherein a portion of the heated hot air enters from a spinneret hot air inlet (1312) and is directly ejected from spinneret hot air passage holes (1321) in the middle of the spinneret; another part of the hot air enters a spinneret annular hot air pipeline (1323) from a spinneret hot air inlet (1325) through the heated hot air, is sprayed out from spinneret hot air spray holes (1331) in a spinneret hot air assembly (133) and is sprayed out through a spray passage formed by a spinneret spray assembly (132) and a spinneret spray hole assembly (134) to form an annular high-speed hot air flow; forming strong high-speed hot air flow by the hot air of the two parts, and stretching PP high polymer sprayed from a high polymer spray nozzle (1324) melted by a spinneret to form melt-blown micro-nanofibers (14);
the core wire (16) is unwound from the core wire barrel (15), passes through the yarn guide rods (17, 18) and is sent into a self-exhaust hollow spindle (21) in the cladding device (2);
the coating device (2) comprises a self-exhaust hollow spindle (21), a coating wire (22), a motor (23) and a rack (24); the self-exhaust hollow spindle (21) and the motor (23) are mounted on the rack (24), and the motor (23) drives the self-exhaust hollow spindle (21) to rotate; the coating wire (22) rotates along with the self-exhaust hollow spindle (21), the coating wire (22) forms a rotary balloon, the melt-blown micro-nano fiber (14) is attached to the surface of the coating wire (22) and is wound on the core wire (16) along with the rotation of the spindle to form micro-nano fiber fluffing yarn;
the winding device (3) comprises a yarn guide rod (31), a winding roller (32), a cheese (33), a cheese rack (34), a motor (35) and a rack (36); winding roller (32), section of thick bamboo creel (34) and motor (35) install in frame (36), micro-nano fiber hairspray yarn pass through yarn guide rod (31), form section of thick bamboo yarn (33) by winding roller (32) transmission, coiling, section of thick bamboo yarn (33) install on section of thick bamboo creel (34), winding roller (32) by motor (35) transmission.
2. A spinning apparatus for melt-blown micro-nanofiber wool blowing yarn according to claim 1, characterized in that: the self-exhaust hollow spindle (21) is divided into a spindle non-hole section (211) and a spindle hole section (212), a self-exhaust hollow spindle exhaust hole (2121) and a self-exhaust hollow spindle core hole (2122) are arranged in the spindle hole section (212), the exhaust direction of the self-exhaust hollow spindle exhaust hole (2121) is opposite to the rotation direction V of the self-exhaust hollow spindle (21), the self-exhaust hollow spindle (21) can rotate to exhaust air through the self-exhaust hollow spindle exhaust hole (2121), negative pressure is formed at the upper part of the self-exhaust hollow spindle (21), the negative pressure can guide melt-blown airflow, and melt-blown micro-nano fibers (14) are introduced into the self-exhaust hollow spindle (21) to be captured by the coated yarns (22) to form micro-nano fiber wool-blown yarns.
3. A spinning apparatus for melt-blown micro-nanofiber wool blowing yarn according to claim 1, characterized in that: the micro-nanofiber wool spraying yarn comprises melt-blown micro-nanofibers (14), a core wire (16) and a coating wire (22), wherein the coating wire (22) is wound on the core wire (16), and the melt-blown micro-nanofibers (14) are attached to the surface of the coating wire (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111388540.8A CN113913951A (en) | 2021-11-22 | 2021-11-22 | Spinning device for melt-blown micro-nanofiber wool-sprayed yarns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111388540.8A CN113913951A (en) | 2021-11-22 | 2021-11-22 | Spinning device for melt-blown micro-nanofiber wool-sprayed yarns |
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| Publication Number | Publication Date |
|---|---|
| CN113913951A true CN113913951A (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111388540.8A Withdrawn CN113913951A (en) | 2021-11-22 | 2021-11-22 | Spinning device for melt-blown micro-nanofiber wool-sprayed yarns |
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| Country | Link |
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| CN (1) | CN113913951A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737266A (en) * | 2022-03-29 | 2022-07-12 | 吴江市新三养纺织有限公司 | Composite yarn with antibacterial and antistatic functions and preparation method and application thereof |
| CN115161833A (en) * | 2022-08-19 | 2022-10-11 | 上海群德纺织科技有限公司 | Environment-friendly marten-like yarn with smooth hand feeling and bright appearance |
| CN115323510A (en) * | 2022-08-31 | 2022-11-11 | 徐州天虹银丰纺织有限公司 | Fiber yarn spinning device and spinning process thereof |
-
2021
- 2021-11-22 CN CN202111388540.8A patent/CN113913951A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737266A (en) * | 2022-03-29 | 2022-07-12 | 吴江市新三养纺织有限公司 | Composite yarn with antibacterial and antistatic functions and preparation method and application thereof |
| CN114737266B (en) * | 2022-03-29 | 2023-03-10 | 吴江市新三养纺织有限公司 | Composite yarn with antibacterial and antistatic functions and preparation method and application thereof |
| CN115161833A (en) * | 2022-08-19 | 2022-10-11 | 上海群德纺织科技有限公司 | Environment-friendly marten-like yarn with smooth hand feeling and bright appearance |
| CN115323510A (en) * | 2022-08-31 | 2022-11-11 | 徐州天虹银丰纺织有限公司 | Fiber yarn spinning device and spinning process thereof |
| CN115323510B (en) * | 2022-08-31 | 2023-09-08 | 徐州天虹银丰纺织有限公司 | Fiber yarn spinning device and spinning process thereof |
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Application publication date: 20220111 |