CN110592690A - Cotton and flax blended hollow thick spinning spinneret plate - Google Patents

Cotton and flax blended hollow thick spinning spinneret plate Download PDF

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Publication number
CN110592690A
CN110592690A CN201910831190.4A CN201910831190A CN110592690A CN 110592690 A CN110592690 A CN 110592690A CN 201910831190 A CN201910831190 A CN 201910831190A CN 110592690 A CN110592690 A CN 110592690A
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China
Prior art keywords
spinneret
hollow
spinning
cotton
impact head
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CN201910831190.4A
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Chinese (zh)
Inventor
董永刚
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Yixing Xindongmao Textile Technology Co Ltd
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Yixing Xindongmao Textile Technology Co Ltd
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Priority to CN201910831190.4A priority Critical patent/CN110592690A/en
Publication of CN110592690A publication Critical patent/CN110592690A/en
Pending legal-status Critical Current

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    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/24Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)

Abstract

The invention discloses a cotton and linen blended hollow thick spinning spinneret plate, which belongs to the field of textile blending, and comprises a spinneret plate body, wherein a plurality of spinneret holes are uniformly distributed on the surface of the spinneret plate body, a miniature empty spinning frame is arranged on the inner side of each spinneret hole and is positioned on one side of a large aperture of each spinneret hole, each miniature empty spinning frame comprises an empty spinning impact head and a plurality of empty spinning frame fixing wings, when a blending raw material passes through the miniature empty spinning frame, the blending raw material is changed into hollow filaments under the action of the empty spinning impact head, the inner walls of the hollow filaments obtain an ironing effect under the heating action of the empty spinning impact heads, the inner walls of the hollow filaments are smooth and have certain elasticity, and the later period of difficult deformation is ensured; the local roughening treatment that receives the solid wing surface of empty spinning frame of hollow silk shaping blending raw materials continues the in-process through the spinneret orifice of loudspeaker form, and the silk region that goes out by diminishing greatly makes and extrudees each other between the position of roughening on the weaving line, and the adhesion degree is higher, is difficult for damaged in the later stage use.

Description

Cotton and flax blended hollow thick spinning spinneret plate
Technical Field
The invention relates to the field of textile blending, in particular to a cotton and linen blended hollow large spinning spinneret plate.
Background
The blended spinning is a textile product formed by mixing and spinning chemical fibers, other natural fibers such as cotton wool, silk, hemp and the like, and has the advantages of both polyester and cotton fabrics, such as polyester cotton cloth, polyester wool and gabardine and the like. The blended yarn is divided into wool-viscose blended yarn, sheep and rabbit hair roller, TR fabric, high-density NC fabric, 3M waterproof abrasive cloth, TENCEL (TENCEL) fabric, mild-match yarn, TNC fabric, composite fabric and the like.
The blended cotton is one of the cotton special fabrics, belongs to natural fiber fabrics, has the characteristics of comfort, coolness and air permeability, and has the advantages of soft color matching, good drapability, small water shrinkage and the like; the flax cotton blended cloth, the flax viscose blended cloth and other varieties exist in the market. The cotton fiber is a seed fiber formed by stretching and thickening epidermal cells of fertilized ovules, and is different from a common bast fiber. Its main constituent material is cellulose. The cellulose is a natural high molecular compound, and the chemical structural formula of the cellulose is (C6H 10O 5) n. The normal mature cotton cellulose content is about 94%. In addition, it contains small amount of pentosan, wax, protein, fat, water-soluble substances, ash, etc. The pure cotton has strong moisture absorption capacity: the cotton fiber is porous substance, the arrangement of internal molecules is very irregular, and the molecules are rich in a plurality of hydrophilic arrangements. Heat retention: cotton fiber is the bad conductor of heat, and cotton fiber's inner chamber has been filled with inactive air, wears comfortablely: the cotton fiber has many excellent economic characters, so that the cotton fiber becomes the most main raw material in the textile industry. Flax fibers have many advantageous properties. It has the advantages of moisture absorption, heat dissipation, health care, bacteriostasis, antifouling, antistatic, ultraviolet ray prevention and excellent flame retardant effect.
Hemp is a skin fiber of a plant, has the functions of being similar to human skin, and has natural properties of protecting the body, regulating the temperature and the like. Linen clothes can reduce human body sweat compared with other clothes, absorb water several times faster than silk fabric, rayon fabric and even cotton cloth, and form capillary phenomenon when contacting with skin, which is the extension of skin. The flax has low yield and high price, and the advantages of the cotton and the flax can be integrated by mixing and spinning the cotton and the flax to obtain a new high-grade fabric, so that the economic benefit is greatly improved. The Chinese patent application No. CN201310617583.8 provides a cotton-hemp blending process, the characteristic difference of cotton and hemp is comprehensively considered, and proper blending conditions are selected, so that the obtained fabric has the characteristics of softness, fineness, smoothness, moisture absorption, sweat releasing, antibiosis, sanitation and the like of cotton.
The blended fabric that obtains in the above-mentioned scheme is including the intensity of present most of blended fabrics for guaranteeing the surface fabric, and its braided wire is solid, and the textile material volume is big, and especially some roving yarn, and not only the material volume is big, and the textile finished product is heavier, among the prior art, even also have braided wires such as hollow yarn, but this kind of hollow braided wire is very easily out of shape when receiving the extrusion, and the toughness of braided wire itself is also relatively poor, and the spool breaks easily.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a cotton and linen blended hollow coarse spinning spinneret plate, wherein spinneret holes are arranged in a horn shape, a miniature hollow spinning frame is additionally arranged at the horn-shaped spinneret holes, blended raw materials are changed into hollow yarns under the action of a hollow spinning impact head when passing through the miniature hollow spinning frame, the inner wall of each hollow yarn obtains an ironing effect under the heating action of the hollow spinning impact head, the inner wall of each hollow yarn is smooth and has certain elasticity, later-stage deformation is guaranteed, in addition, the hollow yarn forming blended raw materials are subjected to roughening treatment on the surface of a fixed wing of the hollow spinning frame locally, and roughened parts on a spinning line are extruded mutually in the process of continuously passing through the horn-shaped spinneret holes from a large and small yarn outlet area, the adhesion degree is higher, and the spinning line is not easy to damage in the later-stage use process.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A spinneret plate for cotton and flax blended hollow thick spinning comprises a spinneret plate body, wherein a plurality of spinneret holes are uniformly distributed on the surface of the spinneret plate body, the spinneret holes are irregular-diameter special-shaped holes, a miniature hollow spinning frame is arranged on the inner side of each spinneret hole and is positioned on one side of the large aperture of each spinneret hole, the miniature hollow spinning frame comprises a hollow spinning impact head and a plurality of hollow spinning frame fixing wings, the plurality of hollow spinning frame fixing wings are uniformly distributed on the side end of the hollow spinning impact head and are connected with the hollow spinning impact head, the end parts, far away from the hollow spinning impact head, of the hollow spinning frame fixing wings are fixedly connected with the inner wall of each spinneret hole, a plurality of hair-pulling bulges are arranged on the surfaces of the hollow spinning frame fixing wings, a cavity is arranged inside the hollow spinning impact head, an electric heating rod is arranged in the cavity, the spinneret holes are arranged in a horn shape, the miniature hollow spinning frame is additionally arranged at the spinneret holes in the horn shape, and blended, become hollow silk under the effect of impact head is spun to the sky, and make the hollow silk inner wall obtain an ironing effect through the heating effect of the impact head is spun to the sky, make its inner wall smooth and have certain elasticity, guarantee later stage non-deformable, in addition, hollow silk shaping blending raw materials part receives the roughening treatment on the solid wing surface of sky spinning frame, continue the in-process through the spinneret orifice of loudspeaker form, extrude each other between the position of roughening on making the textile line by the play silk region that diminishes greatly, the adhesion degree is higher, difficult damage in the later stage use.
Furthermore, the spinneret orifice is a horn-shaped irregular orifice with unequal diameters, and the miniature hollow spinning frame is positioned on one side of the large orifice of the spinneret orifice.
Furthermore, the end of the air spinning impact head, which is far away from the small aperture of the spinneret orifice, is a bullet head, the surface of the air spinning impact head is subjected to polishing treatment, the design of the bullet head is beneficial to enabling the blending raw material to smoothly pass through the spinneret orifice to form hollow yarns, and the air spinning impact head with the polished surface can reduce the resistance of the air spinning impact head to the blending raw material, so that the inner wall of the formed hollow yarns is smoother.
Furthermore, the thermal insulation connecting block is fixedly connected between the air spinning frame fixing wing and the air spinning impact head, the thermal insulation connecting block adopts a vacuum thermal insulation plate, when the electric heating rod heats the air spinning impact head, heat on the air spinning impact head is isolated by the thermal insulation connecting block, and the heat is not easily conducted to the air spinning frame fixing wing, so that the situation that the division seam of the hollow filament is shrunk and deformed due to the fact that the air spinning frame fixing wing is heated, the later-stage adhesive property of the division seam of the hollow filament is affected, and the filament tube strength of the hollow filament is reduced.
Furthermore, the surfaces of the fixing wings and the napping protrusions of the hollow spinning frame are coated with nano-scale foaming coatings, the nano-scale foaming coatings are prepared by matching modified polytetrafluoroethylene with high-performance resin, and the nano-scale foaming coatings prepared by matching the modified polytetrafluoroethylene with the high-performance resin have excellent heat insulation performance, so that heat on the impact head of the hollow spinning frame is further prevented from being conducted to the cutting seams of the hollow filaments through the fixing wings of the hollow spinning frame.
Furthermore, the napping protrusion is provided with micropores, the direction of the micropores is consistent with that of the spinneret orifices, when the blended raw materials are subjected to napping treatment through the napping protrusion, part of the blended raw materials form thinner cilia through the micropores, and after the wings of the hollow spinning rack are fixed, the cilia participate in bonding the hollow filaments at the cutting seams through the napping treatment more tightly.
Furthermore, a feeding orifice is arranged on one side with a large aperture of the spinneret orifice, the diameter of the feeding orifice is 2-2.5mm, an orifice on one side of the spinneret orifice, which is far away from the large aperture of the spinneret orifice, is set to be an equal-diameter round orifice, the diameter of the equal-diameter round orifice on one side of the spinneret orifice, which is far away from the large aperture of the spinneret orifice, is 400-plus 500 mu m, the size difference of orifices on two sides of the spinneret orifice is set to realize that the yarn outlet area is reduced from large to small, and the yarn outlet area reduced from large causes the mutual extrusion between the roughened parts on the spinning line, so; the too large diameter of the feeding orifice can cause the too long length of the spinneret orifice, and is difficult to control various parameters of spinneret in the prior art, and the too small diameter can cause the difficulty in setting the miniature hollow spinning frame; the diameter of the equal-diameter round hole is too large, so that the hollow wire is too thick, the strength and the elasticity of the hollow wire can be reduced, and the diameter of the equal-diameter round hole is too small, so that the hollow wire is too thin in wall, low in strength and easy to break.
Furthermore, the surfaces of the spinneret plate body and the inner walls of the spinneret holes are coated with SLIPS ultra-smooth coatings, and the blending raw materials are not easy to adhere to the surfaces of the spinneret plate body and the inner walls of the spinneret holes, so that smooth spinneret is facilitated.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme sets the spinneret orifice into loudspeaker form, and add miniature empty spinning rack in the spinneret orifice of loudspeaker form, the blending raw materials is when miniature empty spinning rack, it becomes hollow silk to spin under the effect of impact head at the sky, and the heating effect through empty spinning impact head makes the hollow silk inner wall obtain an ironing effect, make its inner wall smooth and have certain elasticity, guarantee later stage non-deformable, in addition, hollow silk shaping blending raw materials part receives the roughening treatment on the solid wing surface of empty spinning rack, continue the in-process through the spinneret orifice of loudspeaker form, the regional mutual extrusion between the position that makes roughening on the textile line of play silk that diminishes by big, the adhesion degree is higher, difficult damage in the later stage use.
(2) The end of the air spinning impact head, which is far away from the small aperture of the spinneret orifice, is a bullet head, the surface of the air spinning impact head is polished, the design of the bullet head is beneficial to enabling the blending raw material to smoothly pass through the spinneret orifice to form hollow yarns, and the air spinning impact head with the polished surface can reduce the resistance of the air spinning impact head to the blending raw material, so that the inner wall of the formed hollow yarns is smoother.
(3) The thermal insulation connecting block is fixedly connected between the air spinning frame fixing wing and the air spinning impact head, the thermal insulation connecting block adopts a vacuum thermal insulation plate, when the electric heating rod heats the air spinning impact head, heat on the air spinning impact head is separated by the thermal insulation connecting block, and the heat is not easily conducted to the air spinning frame fixing wing, so that the situation that the division seam of the hollow filament is shrunk and deformed due to the fact that the air spinning frame fixing wing is heated is avoided, the later-stage adhesive property of the division seam of the hollow filament is influenced, and the filament tube strength of the hollow filament is reduced.
(4) The surfaces of the fixed wings and the napping protrusions of the hollow spinning frame are coated with nanoscale foaming paint, the nanoscale foaming paint is prepared by matching modified polytetrafluoroethylene with high-performance resin, and the nanoscale foaming paint prepared by matching the modified polytetrafluoroethylene with the high-performance resin has excellent heat-insulating property, so that heat on the impact head of the hollow spinning frame is further prevented from being conducted to the split joint of the hollow filaments through the fixed wings of the hollow spinning frame.
(5) The napping protrusion is provided with micropores, the directions of the micropores are consistent with those of the spinneret orifices, when the napping protrusion receives the napping treatment, part of the blended raw materials form thinner cilia through the micropores, and after the wings of the hollow spinning frame are fixed, the cilia participate in bonding the hollow filaments at the cutting seams through the napping treatment more tightly.
(6) The large-aperture side of each spinneret orifice is a feeding orifice, the diameter of the feeding orifice is 2-2.5mm, the orifice on the side, away from the large aperture, of each spinneret orifice is an equal-aperture round hole, the diameter of the equal-aperture round hole on the side, away from the large aperture, of each spinneret orifice is 400-500 microns, the size difference of the orifices on the two sides of each spinneret orifice can realize that the yarn outlet area is reduced from large to small, the yarn outlet areas reduced from large can extrude the roughened parts on the spinning line mutually, and the adhesion degree is higher; the too large diameter of the feeding orifice can cause the too long length of the spinneret orifice, and is difficult to control various parameters of spinneret in the prior art, and the too small diameter can cause the difficulty in setting the miniature hollow spinning frame; the diameter of the equal-diameter round hole is too large, so that the hollow wire is too thick, the strength and the elasticity of the hollow wire can be reduced, and the diameter of the equal-diameter round hole is too small, so that the hollow wire is too thin in wall, low in strength and easy to break.
Drawings
FIG. 1 is a perspective view of the present invention with a micro-type empty spinning frame removed;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of the structure at the orifice of the present invention;
FIG. 4 is a schematic view of the structure at A in FIG. 3;
FIG. 5 is a schematic side view of the present invention;
FIG. 6 is a schematic view of the structure at B in FIG. 5;
FIG. 7 is a schematic structural view of a miniature hollow spinning frame according to the present invention;
FIG. 8 is a schematic structural view of the blended raw material of the present invention passing through a miniature hollow spinning frame;
FIG. 9 is a schematic structural diagram of a prior art spinning state of a blended raw material;
fig. 10 is a schematic view of the structure of the hollow wire when the split is formed according to the present invention.
The reference numbers in the figures illustrate:
1 spinneret plate body, 2 spinneret holes, 3 miniature air spinning frames, 31 air spinning impact heads, 32 air spinning frame fixing wings, 33 napping protrusions, 34 heat insulation connecting blocks and 35 electric heating rods.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, a spinneret plate for cotton and flax blended hollow thick spinning comprises a spinneret plate body 1 with a plurality of spinneret holes 2 uniformly distributed on the surface, wherein the spinneret holes 2 are horn-shaped irregular holes, referring to fig. 2, a micro hollow spinning frame 3 is arranged on the inner side of the spinneret holes 2, the micro hollow spinning frame 3 is positioned on one side of the large aperture of the spinneret holes 2, referring to fig. 3 and 5, the micro hollow spinning frame 3 comprises a hollow spinning impact head 31 and a plurality of hollow spinning frame fixing wings 32, the plurality of hollow spinning frame fixing wings 32 are uniformly distributed on the side end of the hollow spinning impact head 31 and are connected with the hollow spinning impact head 31, the end of the hollow spinning frame fixing wings 32 far away from the hollow spinning impact head 31 is fixedly connected with the inner wall of the spinneret holes 2, referring to fig. 4 and 5, a plurality of hair-pulling protrusions 33 are arranged on the surface of the hollow spinning frame fixing wings 32, referring to fig. 7, a cavity is arranged in the hollow spinning impact head 31, and an electric heating rod, the specific model of the electric heating rod 35 and the power supply mode thereof are selected and set according to the actual needs by adopting the prior art, please refer to fig. 8, when the blended raw material passes through the micro air spinning frame 3, the blended raw material is changed into hollow filament under the action of the air spinning impact head 31, the air spinning impact head 31 is heated by the electric heating rod 35, the inner wall of the hollow filament obtains an ironing effect by utilizing the heat conduction action of the air spinning impact head 31, so that the inner wall of the hollow filament is smooth and has certain elasticity, and the later period is not easy to deform, in addition, referring to fig. 10, the hollow filament molded blended raw material forms a plurality of dividing seams when passing through the air spinning frame fixed wings 32, and the dividing seams are roughened by the hair-pulling bulges 33 on the surface of the air spinning frame fixed wings 32 while being formed, in the process of continuously passing through the trumpet-shaped spinning holes 2, the coarse dividing seams on the spinning line are mutually extruded by the large and small yarn-, the later-stage use process is not easy to damage.
The end of the air spinning impact head 31, which is far away from the small aperture of the spinneret orifice 2, is a bullet head, the surface of the air spinning impact head 31 is polished, the design of the bullet head is beneficial to enabling the blending raw material to smoothly pass through the spinneret orifice 2 to form hollow yarns, and the air spinning impact head 31, the surface of which is polished, can reduce the resistance of the air spinning impact head 31 to the blending raw material, so that the inner wall of the formed hollow yarns is smoother.
The fixed wing 32 of empty spinning frame and the solid thermally insulated connecting block 34 of fixedly connected with between the empty impact head 31 of spinning, and the thermally insulated connecting block 34 adopts the vacuum insulation board, when the electric rod 35 heats the empty impact head 31 of spinning, the heat on the empty impact head 31 of spinning is cut off by the thermally insulated connecting block 34, the heat is difficult for conducting to the solid wing 32 of empty spinning frame, in order to avoid the solid wing 32 of empty spinning frame to be heated and cause the division seam department atrophy deformation of hollow silk, influence the adhesion properties in the division seam department later stage of hollow silk, reduce the silk pipe intensity of hollow silk.
The surfaces of the hollow spinning frame fixing wings 32 and the napping protrusions 33 are coated with nanoscale foaming paint, the nanoscale foaming paint is prepared by matching modified polytetrafluoroethylene with high-performance resin, and the nanoscale foaming paint prepared by matching the modified polytetrafluoroethylene with the high-performance resin has excellent heat insulation performance, so that heat on the hollow spinning impact head 31 is further prevented from being transmitted to the dividing seams of the hollow filaments through the hollow spinning frame fixing wings 32.
The napping bulge 33 is provided with micropores, the directions of the micropores are consistent with those of the spinneret orifice 2, when the blended raw materials are subjected to napping treatment through the napping bulge 33, part of the blended raw materials form thinner cilia through the micropores, and after the wings 32 are fixed through the hollow spinning frame, the cilia participate in bonding of the hollow filaments at the parting seams subjected to the napping treatment.
One side of the large aperture of each spinneret orifice 2 is a feeding orifice, the diameter of the feeding orifice is 2-2.5mm, the orifice of one side of each spinneret orifice 2, which is far away from the large aperture, is set as an equal-diameter round hole, the diameter of the equal-diameter round hole of one side of each spinneret orifice 2, which is far away from the large aperture, is 400-plus-500 mu m, the size difference of the orifices on the two sides of each spinneret orifice 2 is set to realize that the yarn outlet area is reduced from large to small, and the yarn outlet areas reduced from large cause the mutual extrusion between the roughened parts on the spinning line, so that the adhesion degree is; the too large diameter of the feeding orifice can cause the too long length of the spinneret orifice 2, and is difficult to control various spinneret parameters in the prior art, and the too small diameter is difficult to set the miniature hollow spinning frame 3; the equal diameter round hole supplies the shaping buffering of hollow silk for the shaping hollow silk surface is more level and smooth, and the equal diameter round hole diameter is too big and is made hollow silk thick, can reduce the intensity and the elasticity of hollow silk on the contrary, and equal diameter round hole diameter undersize then can make hollow silk wall thin, and intensity is low, breaks easily.
The surface of the spinneret plate body 1 and the inner walls of the spinneret orifices 2 are coated with SLIPS ultra-smooth coatings, and the blended raw materials are not easy to adhere to the surface of the spinneret plate body 1 and the inner walls of the spinneret orifices 2 in a reverse mode, so that smooth spinneret spraying is facilitated.
Compared with the existing blended fabric, which has large material consumption, the hollow spinning thread is easy to deform when being extruded, the toughness of the spinning thread is poor, and the thread pipe is easy to break, the scheme sets the spinneret orifice 2 to be horn-shaped, the miniature hollow spinning frame 3 is additionally arranged at the horn-shaped spinneret orifice 2, when the blended raw material passes through the miniature hollow spinning frame 3, the blended raw material is changed into hollow thread under the action of the hollow spinning impact head 31, the inner wall of the hollow thread obtains an ironing effect through the heating action of the hollow spinning impact head 31, the inner wall of the hollow thread is smooth and has certain elasticity, the later period is ensured not to be deformed easily, in addition, a plurality of dividing seams are formed when the hollow thread molding blended raw material passes through the hollow spinning frame fixing wings 32, the dividing seams are roughened by the napping bulges 33 on the surface of the hollow spinning frame fixing wings 32 while being formed, the hollow thread molding blended raw material continuously passes through the horn-shaped spinneret orifice 2, the coarse dividing seams on the spinning thread are mutually extruded from a large-reduced thread outlet, the adhesion degree is higher, and the later stage use in-process is difficult damaged.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims (10)

1. The utility model provides a hollow thick spinning spinneret of cotton, flax blending, includes spinneret body (1) that surface evenly distributed has a plurality of spinneret orifices (2), its characterized in that: the spinneret orifice (2) is unequal-diameter special-shaped holes, a miniature air spinning frame (3) is arranged on the inner side of the spinneret orifice (2), the miniature air spinning frame (3) is located on one side of a large aperture of the spinneret orifice (2), the miniature air spinning frame (3) comprises an air spinning impact head (31) and a plurality of air spinning frame fixing wings (32), the air spinning frame fixing wings (32) are uniformly distributed on the side end of the air spinning impact head (31) and are connected with the air spinning impact head (31), the end parts, far away from the air spinning impact head (31), of the air spinning frame fixing wings (32) are fixedly connected with the inner wall of the spinneret orifice (2), a plurality of wool-raising bulges (33) are arranged on the surface of the air spinning frame fixing wings (32), a cavity is arranged inside the air spinning impact head (31), and an electric heating rod (35) is arranged in the cavity.
2. The cotton and flax blended hollow coarse spinning spinneret plate according to claim 1, wherein: the spinneret orifices (2) are horn-shaped special-shaped holes with different diameters, and the miniature hollow spinning frame (3) is positioned on one side of the large diameter of the spinneret orifices (2).
3. The cotton and flax blended hollow coarse spinning spinneret plate according to claim 1, wherein: and one end of the air spinning impact head (31) far away from the small aperture of the spinneret orifice (2) is a bullet head, and the surface of the air spinning impact head (31) is subjected to polishing treatment.
4. The cotton and flax blended hollow coarse spinning spinneret plate according to claim 1, wherein: and a heat insulation connecting block (34) is fixedly connected between the air spinning frame fixing wing (32) and the air spinning impact head (31), and the heat insulation connecting block (34) adopts a vacuum heat insulation plate.
5. The cotton and flax blended hollow coarse spinning spinneret plate according to claim 1, wherein: the surfaces of the fixed wings (32) and the napping protrusions (33) of the hollow spinning frame are coated with nano-scale foaming paint, and the nano-scale foaming paint adopts modified polytetrafluoroethylene matched with high-performance resin.
6. The cotton and flax blended hollow coarse spinning spinneret plate according to claim 1, wherein: micropores are formed in the napping protrusions (33), and the directions of the micropores are consistent with the direction of the spinneret holes (2).
7. The cotton and flax blended hollow coarse spinning spinneret plate according to claim 1, wherein: one side of the large aperture of the spinneret orifice (2) is a feeding orifice, and the diameter of the feeding orifice is 2-2.5 mm.
8. The cotton and flax blended hollow coarse spinning spinneret plate according to claim 1, wherein: and orifices on one side of the spinneret orifice (2) far away from the large aperture are arranged into circular holes with the same diameter.
9. The hollow coarse spinning spinneret plate for cotton and flax blended yarns according to claim 8, wherein: the diameter of the uniform-diameter round hole at the side of the spinneret orifice (2) far away from the large aperture is 400-500 mu m.
10. The cotton and flax blended hollow coarse spinning spinneret plate according to claim 1, wherein: the surface of the spinneret plate body (1) and the inner wall of the spinneret orifice (2) are coated with SLIPS ultra-smooth coatings.
CN201910831190.4A 2019-09-04 2019-09-04 Cotton and flax blended hollow thick spinning spinneret plate Pending CN110592690A (en)

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