CN220246334U - Bionic solvent method spinning spinneret plate - Google Patents
Bionic solvent method spinning spinneret plate Download PDFInfo
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- CN220246334U CN220246334U CN202320863054.5U CN202320863054U CN220246334U CN 220246334 U CN220246334 U CN 220246334U CN 202320863054 U CN202320863054 U CN 202320863054U CN 220246334 U CN220246334 U CN 220246334U
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Abstract
本实用新型提供一种仿生溶剂法纺丝喷丝板，涉及纤维加工设备技术领域。该仿生溶剂法纺丝喷丝板，包括固定环，所述固定环的底部固定连接有纱槽，所述纱槽的表面开设有喷丝口，所述喷丝口包括细孔和粗孔，所述细孔的数量为三到十个，所述粗孔的数量为一个，所述细孔均匀分布于一个所述粗孔的周围，所述细孔的孔道顺时针倾斜且环绕所述粗孔，所述细孔的孔径由上至下逐渐减小，所述喷丝口设置有多组，且均匀分布于纱槽的表面，所述固定环的上表面四角均开设有定位孔，且该定位孔为螺纹孔。本实用新型，通过参考蜘蛛纺丝设计的仿生喷丝板，挤出丝线以细丝缠绕粗丝增加强度以及韧性，达成初步加捻的效果，使得成丝过程中减少断丝，更易纺出长丝。
The utility model provides a bionic solvent spinning spinneret and relates to the technical field of fiber processing equipment. The bionic solvent method spinning spinneret includes a fixed ring, the bottom of the fixed ring is fixedly connected with a gauze groove, and the surface of the gauze groove is provided with a spinneret, and the spinneret includes fine holes and coarse holes, The number of the pores is three to ten, and the number of the coarse pores is one. The pores are evenly distributed around one of the coarse pores. The channels of the fine pores are inclined clockwise and surround the coarse pores. hole, the diameter of the pores gradually decreases from top to bottom, the spinnerets are provided with multiple groups, and are evenly distributed on the surface of the gauze groove, the four corners of the upper surface of the fixed ring are provided with positioning holes, and The positioning hole is a threaded hole. This utility model uses a bionic spinneret designed with reference to spider spinning, extruding silk threads and winding thick threads with thin threads to increase strength and toughness, achieving a preliminary twisting effect, reducing wire breakage during the spinning process, and making it easier to spin long yarns. Silk.
Description
Technical Field
The utility model relates to the technical field of fiber processing equipment, in particular to a spinning spinneret plate adopting a bionic solvent method.
Background
Lyocell fibers are widely used in the fields of medical and health, textiles, industry, automobiles, etc. because of their excellent properties. Compared with other fibers, the Lyocell fiber has the advantages that the used raw materials are closer to nature, the texture is softer, and the Lyocell fiber is more fit with a human body. At present, the preparation of Lyocell mainly comprises NMMO solvent spinning, and NMMO solvent spinning is also divided into dry jet wet spinning and wet spinning. The preparation of Lyocell fiber by NMMO solvent spinning is that after NMMO solvent is used to dissolve plant fiber pulp into spinning solution, the spinning solution is extruded from a spinneret plate through pressurization, enters into a coagulating bath for coagulation, and then is subjected to subsequent procedures of water washing, winding, stretching and the like, and the shape of the spinneret plate can influence the surface and the filament forming shape of the final filament in the whole spinning procedure.
The most critical structural features of the spinneret plate comprise a plate type structure and a discharge hole structure, but the plate type and the discharge hole structure of the existing spinneret plate are single, the discharge holes on the existing spinneret plate mainly comprise common circular shapes, straight-line, cross-shaped and C-shaped special-shaped shapes, the discharge holes in various shapes produce filaments in different shapes, and the performances of the various filaments are different.
In the prior art, through searching, it is found that Chinese patent discloses a spinneret plate, the application number of which is 201220009325.2, the spinneret plate comprises a spinneret plate body, spinneret orifices are distributed on the spinneret plate body, the bottoms of the spinneret orifices are flat holes with a cross section in a shape of a straight line, and the flat holes point to the center of the spinneret plate body along the length direction; however, the filaments ejected through the spinneret have low strength and poor toughness; for example, chinese patent discloses a spinneret plate, the application number of which is 201020157134.1, wherein the feeding surface and the discharging surface of the spinneret plate are both circular, the feeding surface is provided with a plurality of feeding holes, the feeding holes are arranged in an array of concentric circular structures from inside to outside, and the section of each feeding hole is circular; the discharging surface is provided with a plurality of discharging holes which are arranged in a concentric circular structure array from inside to outside, and the section of each discharging hole is T-shaped; however, the filaments discharged through the spinneret have low strength and poor toughness.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a spinning spinneret plate adopting a bionic solvent method, which solves the problem of poor strength and toughness of the formed yarn.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: a bionic solvent method spinning spinneret plate comprises a fixed ring, wherein a yarn groove is fixedly connected to the bottom of the fixed ring, a spinning nozzle is formed in the surface of the yarn groove, and the spinning nozzle comprises fine holes and coarse holes;
the number of the fine holes is three to ten, the number of the coarse holes is one, the fine holes are uniformly distributed around one coarse hole, pore paths of the fine holes incline clockwise and encircle the coarse holes, and the pore diameters of the fine holes gradually decrease from top to bottom.
Preferably, the spinning nozzle is provided with a plurality of groups and is uniformly distributed on the surface of the yarn groove.
Preferably, four corners of the upper surface of the fixing ring are provided with positioning holes.
Preferably, the positioning hole is a threaded hole.
Preferably, the upper pore diameter of the fine pores is 0.05-0.08mm, and the lower pore diameter of the fine pores is 0.03-0.05mm.
Preferably, the upper pore diameter of the fine pores is 0.06mm, and the lower pore diameter of the fine pores is 0.04mm.
Preferably, the pore diameter of the coarse pores is 0.07-0.09mm.
Preferably, the diameter of the coarse holes is 0.08mm.
Preferably, the number of the pores is 8.
(III) beneficial effects
The utility model provides a spinning spinneret plate adopting a bionic solvent method. The beneficial effects are as follows:
1. by referring to the bionic spinneret plate designed by spider spinning, the strength and toughness of the extruded silk are increased by winding the thick silk with the thin silk, and the effect of preliminary twisting is achieved, so that broken silk is reduced in the silk forming process, and the long silk is spun more easily.
2. The bionic design of the NMMO solvent method spinning spinneret plate is realized, filament winding thick filaments can be formed when the spinneret plate is used for spinning, the effect of preliminary twisting is achieved, and the strength and toughness of the formed filaments are enhanced.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A in accordance with the present utility model;
fig. 4 is a schematic perspective view of a spinneret of the present utility model.
Wherein, 1, yarn groove; 2. a fixing ring; 3. a spinning nozzle; 31. fine pores; 32. rough holes; 4. and positioning holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
as shown in fig. 1-4, the embodiment of the utility model provides a spinning spinneret plate adopting a bionic solvent method, which comprises a fixed ring 2, wherein four corners of the upper surface of the fixed ring 2 are respectively provided with a positioning hole 4, the positioning holes 4 are threaded holes, and can be matched with external fixing bolts, the fixed ring 2 is installed on a spinning machine, the bottom of the fixed ring 2 is fixedly connected with a yarn groove 1, a dissolved spinning solution can be extruded into the yarn groove 1 through a screw rod of the spinning machine, the surface of the yarn groove 1 is provided with spinning nozzles 3 for spinning, the spinning nozzles 3 are provided with nine groups and are uniformly distributed on the surface of the yarn groove 1, one group in the middle and the other three groups surround the periphery of the group in the middle, and the spinning nozzles 3 comprise fine holes 31 and coarse holes 32.
According to the structure, the bionic spinneret plate is mounted on the spinning machine through the fixing ring 2, the dissolved spinning solution can be extruded into the yarn groove 1 through the screw rod of the spinning machine, and the spinning solution can be extruded from the spinneret opening 3 of the bionic spinneret plate to form silk threads through the regulation and control of the extrusion rate of the spinning machine.
The number of the fine holes 31 is three, the number of the coarse holes 32 is one, the three fine holes 31 are uniformly distributed around one coarse hole 32, the pore paths of the three fine holes 31 are inclined clockwise and surround the coarse holes 32, so that the extruded silk thread winds the coarse silk thread by filaments, and the pore diameters of the fine holes 31 are gradually reduced from top to bottom.
According to the structure, the spinning solution is extruded from the spinning nozzle 3 to form a silk thread, the silk thread enters an NMMO coagulating bath through an air section, the silk thread coagulating filaments are wound on thick silk, the thick silk ensures strength, and the surrounding silk ensures toughness; by referring to the bionic spinneret plate designed by spider spinning, the strength and toughness of the extruded silk are increased by winding the thick silk with the thin silk, and the effect of preliminary twisting is achieved, so that broken silk is reduced in the silk forming process, and the long silk is spun more easily.
The dimensions of the spinneret for practical use are given in the following examples.
Embodiment two:
as shown in fig. 1-4, the embodiment of the utility model provides a spinning spinneret plate adopting a bionic solvent method, which comprises a fixed ring 2, wherein four corners of the upper surface of the fixed ring 2 are respectively provided with a positioning hole 4, the positioning holes 4 are threaded holes, and can be matched with external fixing bolts, the fixed ring 2 is installed on a spinning machine, the bottom of the fixed ring 2 is fixedly connected with a yarn groove 1, a dissolved spinning solution can be extruded into the yarn groove 1 through a screw rod of the spinning machine, the surface of the yarn groove 1 is provided with spinning nozzles 3 for spinning, the spinning nozzles 3 are provided with nine groups and are uniformly distributed on the surface of the yarn groove 1, one group is arranged in the middle, the other five groups are surrounded on the periphery of the middle group, and the spinning nozzles 3 comprise fine holes 31 and coarse holes 32.
According to the structure, the bionic spinneret plate is mounted on the spinning machine through the fixing ring 2, the dissolved spinning solution can be extruded into the yarn groove 1 through the screw rod of the spinning machine, and the spinning solution can be extruded from the spinneret opening 3 of the bionic spinneret plate to form silk threads through the regulation and control of the extrusion rate of the spinning machine.
The number of the fine holes 31 is five, the number of the coarse holes 32 is one, the five fine holes 31 are uniformly distributed around one coarse hole 32, the pore paths of the five fine holes 31 are inclined clockwise and surround the coarse hole 32, so that the extruded silk thread winds the coarse silk thread by filaments, and the pore diameters of the fine holes 31 are gradually reduced from top to bottom.
The upper pore diameter of the fine pores 31 is 0.05mm, the lower pore diameter of the fine pores 31 is 0.03mm, and the pore diameter of the coarse pores 32 is 0.07mm.
According to the structure, the spinning solution is extruded from the spinning nozzle 3 to form a silk thread, the silk thread enters an NMMO coagulating bath through an air section, the silk thread coagulating filaments are wound on thick silk, the thick silk ensures strength, and the surrounding silk ensures toughness; by referring to the bionic spinneret plate designed by spider spinning, the strength and toughness of the extruded silk are increased by winding the thick silk with the thin silk, and the effect of preliminary twisting is achieved, so that broken silk is reduced in the silk forming process, and the long silk is spun more easily.
Embodiment III:
as shown in fig. 1-4, the embodiment of the utility model provides a spinning spinneret plate adopting a bionic solvent method, which comprises a fixed ring 2, wherein four corners of the upper surface of the fixed ring 2 are respectively provided with a positioning hole 4, the positioning holes 4 are threaded holes, the fixed ring 2 can be matched with external fixing bolts, the fixed ring 2 is installed on a spinning machine, the bottom of the fixed ring 2 is fixedly connected with a yarn groove 1, a dissolved spinning solution can be extruded into the yarn groove 1 through a screw rod of the spinning machine, the surface of the yarn groove 1 is provided with spinning nozzles 3 for spinning, the spinning nozzles 3 are provided with nine groups and are uniformly distributed on the surface of the yarn groove 1, the middle group of the spinning nozzles are surrounded by the middle group of spinning nozzles, and the spinning nozzles 3 comprise fine holes 31 and coarse holes 32.
According to the structure, the bionic spinneret plate is mounted on the spinning machine through the fixing ring 2, the dissolved spinning solution can be extruded into the yarn groove 1 through the screw rod of the spinning machine, and the spinning solution can be extruded from the spinneret opening 3 of the bionic spinneret plate to form silk threads through the regulation and control of the extrusion rate of the spinning machine.
The number of the fine holes 31 is eight, the number of the coarse holes 32 is one, the eight fine holes 31 are uniformly distributed around one coarse hole 32, the pore channels of the eight fine holes 31 are inclined clockwise and surround the coarse holes 32, so that the extruded silk thread winds the coarse silk thread by filaments, and the pore diameters of the fine holes 31 are gradually reduced from top to bottom.
The upper pore diameter of the fine pores 31 is 0.06mm, the lower pore diameter of the fine pores 31 is 0.04mm, and the pore diameter of the coarse pores 32 is 0.08mm.
According to the structure, the spinning solution is extruded from the spinning nozzle 3 to form a silk thread, the silk thread enters an NMMO coagulating bath through an air section, the silk thread coagulating filaments are wound on thick silk, the thick silk ensures strength, and the surrounding silk ensures toughness; by referring to the bionic spinneret plate designed by spider spinning, the strength and toughness of the extruded silk are increased by winding the thick silk with the thin silk, and the effect of preliminary twisting is achieved, so that broken silk is reduced in the silk forming process, and the long silk is spun more easily.
Embodiment four:
as shown in fig. 1-4, the embodiment of the utility model provides a spinning spinneret plate adopting a bionic solvent method, which comprises a fixed ring 2, wherein four corners of the upper surface of the fixed ring 2 are respectively provided with a positioning hole 4, the positioning holes 4 are threaded holes, and can be matched with external fixing bolts, the fixed ring 2 is installed on a spinning machine, the bottom of the fixed ring 2 is fixedly connected with a yarn groove 1, a dissolved spinning solution can be extruded into the yarn groove 1 through a screw rod of the spinning machine, the surface of the yarn groove 1 is provided with spinning nozzles 3 for spinning, the spinning nozzles 3 are provided with nine groups and are uniformly distributed on the surface of the yarn groove 1, one group in the middle surrounds the periphery of the group in the middle, and the spinning nozzles 3 comprise fine holes 31 and coarse holes 32.
According to the structure, the bionic spinneret plate is mounted on the spinning machine through the fixing ring 2, the dissolved spinning solution can be extruded into the yarn groove 1 through the screw rod of the spinning machine, and the spinning solution can be extruded from the spinneret opening 3 of the bionic spinneret plate to form silk threads through the regulation and control of the extrusion rate of the spinning machine.
The number of the fine holes 31 is ten, the number of the coarse holes 32 is one, ten fine holes 31 are uniformly distributed around one coarse hole 32, the pore channels of the ten fine holes 31 are inclined clockwise and surround the coarse holes 32, so that the extruded silk thread winds the coarse silk thread with filaments, and the pore diameters of the fine holes 31 are gradually reduced from top to bottom.
The upper pore diameter of the fine pores 31 is 0.08mm, the lower pore diameter of the fine pores 31 is 0.05mm, and the pore diameter of the coarse pores 32 is 0.09mm.
According to the structure, the spinning solution is extruded from the spinning nozzle 3 to form a silk thread, the silk thread enters an NMMO coagulating bath through an air section, the silk thread coagulating filaments are wound on thick silk, the thick silk ensures strength, and the surrounding silk ensures toughness; by referring to the bionic spinneret plate designed by spider spinning, the strength and toughness of the extruded silk are increased by winding the thick silk with the thin silk, and the effect of preliminary twisting is achieved, so that broken silk is reduced in the silk forming process, and the long silk is spun more easily.
Working principle: firstly, the bionic spinneret plate is mounted on a spinning machine through a fixing ring 2 in combination with an external fixing bolt, the dissolved spinning solution is extruded into a yarn groove 1 through a screw rod of the spinning machine, and the spinning solution is extruded from a spinneret orifice 3 of the bionic spinneret plate to form silk threads through the regulation and control of the extrusion rate of the spinning machine, and the spinneret orifice 3 is nine groups, each group consists of three to ten fine holes 31 and one coarse hole 32, and pore channels of the fine holes 31 are inclined clockwise and surround the coarse holes 32, so that the fine threads of each group are uniformly distributed around the coarse threads; the air segment enters an NMMO coagulating bath, the yarn coagulating filaments are wound with thick filaments, the thick filaments ensure the strength, and the surrounding filaments ensure the toughness.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A bionic solvent method spinning spinneret plate is characterized in that: the yarn spinning device comprises a fixing ring (2), wherein a yarn groove (1) is fixedly connected to the bottom of the fixing ring (2), a yarn spraying opening (3) is formed in the surface of the yarn groove (1), and the yarn spraying opening (3) comprises fine holes (31) and coarse holes (32); the number of the fine holes (31) is eight, the number of the coarse holes (32) is one, eight fine holes (31) are uniformly distributed around one coarse hole (32), pore channels of the eight fine holes (31) incline clockwise and encircle the coarse holes (32), and the pore diameters of the fine holes (31) are gradually reduced from top to bottom.
2. The biomimetic solvent process spinning spinneret of claim 1, wherein: nine groups of spinning nozzles (3) are arranged and uniformly distributed on the surface of the yarn groove (1).
3. The biomimetic solvent process spinning spinneret of claim 1, wherein: positioning holes (4) are formed in four corners of the upper surface of the fixing ring (2).
4. A biomimetic solvent process spinneret as in claim 3, wherein: the positioning hole (4) is a threaded hole.
5. The biomimetic solvent process spinning spinneret of claim 1, wherein: the upper pore diameter of the fine pores (31) is 0.05-0.08mm, and the lower pore diameter of the fine pores (31) is 0.03-0.05mm.
6. A biomimetic solvent spinning spinneret as in claim 1 or 5, wherein: the upper pore diameter of the fine pores (31) is 0.06mm, and the lower pore diameter of the fine pores (31) is 0.04mm.
7. The biomimetic solvent process spinning spinneret of claim 1, wherein: the pore diameter of the coarse pores (32) is 0.07-0.09mm.
8. A biomimetic solvent spinning spinneret according to claim 1 or 7, wherein: the diameter of the rough holes (32) is 0.08mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320863054.5U CN220246334U (en) | 2023-04-18 | 2023-04-18 | Bionic solvent method spinning spinneret plate |
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| CN202320863054.5U CN220246334U (en) | 2023-04-18 | 2023-04-18 | Bionic solvent method spinning spinneret plate |
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| CN220246334U true CN220246334U (en) | 2023-12-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117144490A (en) * | 2023-04-18 | 2023-12-01 | 苏州中质能生物质科技有限公司 | A bionic solvent method spinning spinneret |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117144490A (en) * | 2023-04-18 | 2023-12-01 | 苏州中质能生物质科技有限公司 | A bionic solvent method spinning spinneret |
| CN117144490B (en) * | 2023-04-18 | 2025-11-21 | 苏州中质能生物质科技有限公司 | Bionic solvent method spinning spinneret plate |
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