Spinning nozzle for fiber spinning

By designing a dust protection device on the spinneret, the problem of spinneret blockage is solved by utilizing a dual mechanism of physical blocking and electrostatic adsorption, thereby achieving uniformity and continuity in spinning and improving fiber quality and production efficiency.

CN223852856UActive Publication Date: 2026-01-30SUZHOU XINJI TEXTILE CO LTD
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Patent Information

Application Number
CN202520383660.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2026-01-30
Estimated Expiration
2035-03-06

AI Technical Summary

Technical Problem

In the spinning workshop environment, existing spinnerets used for fiber spinning are prone to clogging by suspended microparticles, affecting the uniformity and continuity of spinning, resulting in decreased fiber quality and increased fiber breakage.

Method used

A spinneret was designed that includes an integrated spinneret disc, a sealing ring, a spinneret disc, and a dust protection device. The dust protection device consists of a ring-shaped flat fixing pad, a mounting fixing ring, a cylindrical dust protection cover, and an electrostatic adsorption pad. It prevents particles from entering the spinneret orifice through a dual mechanism of physical blocking and electrostatic adsorption.

Benefits of technology

It effectively prevents spinneret clogging, improves the uniformity and continuity of spinning, reduces production interruptions, enhances fiber product quality and production efficiency, and ensures the stability and sealing of the spinneret structure.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223852856U_ABST
Patent Text Reader

Abstract

The utility model discloses a spinning nozzle for fiber spinning, which comprises a spinning integrated disc and a sealing ring arranged at the top end of the spinning integrated disc, a spinning disc is arranged at the top end of the sealing ring, the sealing ring is equal to the spinning integrated disc and the spinning disc in external diameter, a plurality of spinning holes are arranged in the center of the top end of the spinning disc, and the sealing ring is arranged at the top end of the spinning disc. The spinneret plate is internally hollow, the spinneret orifices are communicated with the hollow interior of the spinneret plate, a dustproof protection device is arranged at the top end of the spinneret plate, the novel dustproof protection device is additionally arranged outside the top end of the spinneret plate, and a cylindrical dustproof protection cover of the device can directly prevent external dust, fiber impurities and the like from falling into the spinneret orifices. And the electrostatic adsorption pad actively adsorbs tiny dust and impurities by utilizing an electrostatic adsorption principle, and forms dual protection with the barrel-type dustproof protection cover, so that the dustproof capability is further enhanced, and the production interruption and product quality problems are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of fiber spinning equipment, and specifically relates to a spinning nozzle for fiber spinning. BACKGROUND

[0002] Fiber spinning technology occupies a crucial position in modern textile industry, and is widely applied to the production process of various synthetic fibers and chemical fibers. With the increasing demand for fiber products in various fields, higher requirements are put forward for the quality and production efficiency of fiber spinning. In the fiber spinning workshop environment, due to the particularity of the fiber processing process, various small particles are often suspended in the air. These particles are widely sourced, including debris and flying particles generated in the early process of fiber raw materials such as opening and carding, and dust generated during the operation of equipment in the workshop.

[0003] The existing spinning nozzle for fiber spinning faces many problems in actual use, of which the most prominent is the dustproof problem of the spinning nozzle. If these small particles suspended in the air enter the spinning hole, the spinning hole will be blocked, affecting the uniformity and continuity of spinning. In the spinning process, the spinning hole needs to ensure that the spinning fluid is uniformly and stably extruded, so as to spin high-quality fibers. However, once the spinning hole is blocked, the resistance of the fluid passing through the spinning hole will change, resulting in a decrease in the quality of the spun fibers and unevenness. In addition, the blockage of the spinning hole can also cause the fiber to easily break during the spinning process, which not only increases the number of shutdowns in the production process and reduces the production efficiency, but also causes waste of raw materials and increases production costs.

[0004] In order to solve the above problems, the spinning nozzle for fiber spinning needs to be innovatively designed to improve its dustproof performance, structural stability and sealing reliability, so as to meet the requirements of modern fiber spinning production for high quality and high efficiency. Utility model content

[0005] The utility model aims at providing a spinning nozzle for fiber spinning to solve the problem that various small particles are often suspended in the air in the fiber spinning workshop environment, which can block the spinning hole and affect the uniformity and continuity of spinning, resulting in a decrease in the quality of the spun fibers and unevenness and an increase in the number of broken ends.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a fibre spinning spinneret, including spinneret integrated disc and the sealing ring of spinneret integrated disc top, the spinneret disc is provided with the spinneret disc on the top of sealing ring, the sealing ring with spinneret integrated disc and the outside diameter of spinneret disc is equal, the spinneret disc top centre is internally provided with a plurality of spinneret orifices, and the spinneret disc is hollow, and the spinneret orifice is communicated with the hollow of spinneret disc, the spinneret disc top is provided with dustproof protection device, and the dustproof protection device is protected around the outside of a plurality of spinneret orifices.

[0007] Preferably, the dustproof protection device includes a ring-shaped flat fixing pad, a mounting fixing ring, a cylindrical dustproof cover, and an electrostatic adsorption pad. The ring-shaped flat fixing pad is fixed to the top outer wall of the spinneret disc, and the annular outer wall of the ring-shaped flat fixing pad is close to the annular outer wall of the spinneret disc. The mounting fixing ring is fixed to the top of the ring-shaped flat fixing pad. The cylindrical dustproof cover is sleeved on the outside of the mounting fixing ring, and the electrostatic adsorption pad is fixed to the inner wall of the cylindrical dustproof cover.

[0008] Preferably, the mounting fixing ring is flush with the annular outer wall of the ring-shaped flat fixing pad, and the cylindrical dustproof cover can be completely sleeved on the annular outside of the ring-shaped flat fixing pad and the mounting fixing ring. The cylindrical dustproof cover is interference fit with the ring-shaped flat fixing pad and the mounting fixing ring.

[0009] Preferably, the top outer corner of the mounting fixing ring is provided with an inclined surface to facilitate the quick and accurate sleeving of the cylindrical dustproof cover on the top outside of the mounting fixing ring. When the bottom end outer wall of the cylindrical dustproof cover contacts the top end outer wall of the spinneret disc, the bottom end of the electrostatic adsorption pad and the top end of the mounting fixing ring are mutually attached.

[0010] Preferably, the spinneret disc is fixedly connected with the sealing ring and the spinneret integrated disc through a plurality of connecting fixing bolts. The connecting fixing bolts are arranged outside the spinneret orifices, and the mounting fixing ring and the ring-shaped flat fixing pad are protected outside the connecting fixing bolts.

[0011] Preferably, the sealing ring is provided with annular grooves at the top and bottom ends, and high-temperature-resistant sealing pads are arranged in the two annular grooves. The high-temperature-resistant sealing pads are tightly attached to the top end outer wall of the spinneret integrated disc and the bottom end outer wall of the spinneret disc, respectively. The spinneret integrated disc is communicated with the spinneret disc.

[0012] Preferably, the spinneret integrated disc is provided with an external thread mounting head at the bottom center. The external thread mounting head is internally threaded, and the external thread mounting head is communicated with the spinneret integrated disc.

[0013] Preferably, the external thread mounting head top end is externally sleeved with a rotary sealing nut, the rotary sealing nut top end outer wall is mutually attached with the spinning integrated disc bottom end outer wall, and the rotary sealing nut and the external thread mounting head are fixed and sealed through welding.

[0014] Compared with the prior art, the utility model provides a spinning head for fiber spinning, has the following

[0015] Beneficial effects:

[0016] The utility model discloses a new -type dustproof device is added to the outside of the top of spinning disc, and the device has many aspects remarkable beneficial effects, physical level, the tubular dustproof protection cover can directly block the dust, fiber impurity etc. of outside and fall into the spinning hole, prevents the influence spinning uniformity and continuity because of the impurity block spinning hole, improves fiber product quality, and electrostatic adsorption pad utilizes electrostatic adsorption principle, and actively adsorbs small dust and impurity, and forms double protection with the tubular dustproof protection cover, further enhances dustproof capacity, reduces production interruption and product quality problem, promotes production efficiency, on the structure design, the ring type flat fixed pad is cooperated with the installation fixed ring, makes the tubular dustproof protection cover convenient to install and detach, and the top outer corner inclined surface design is convenient and fast accurate socket connection, does not influence production progress, in addition, the device can also protect the connecting fixed bolt between spinning disc and sealing ring, spinning integrated disc, avoids its rust, loosening because of dust impurity erosion, guarantees the overall structure stability of spinning head, ensures that spinning works normally. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a fiber spinning spinning head front view three-dimensional structure schematic view of the utility model.

[0018] Figure 2 It is a fiber spinning spinning head front view three-dimensional structure schematic view of the utility model.

[0019] Figure 3 It is a fiber spinning spinning head front view three-dimensional structure schematic view of the utility model.

[0020] Figure 4 It is a fiber spinning spinning head front view three-dimensional structure schematic view of the utility model.

[0021] In the drawing: 1, external thread mounting head, 2, spinning integrated disc, 3, sealing ring, 4, spinning disc, 5, dustproof device, 6, spinning hole, 7, connecting fixed bolt, 8, rotary sealing nut, 9, ring type flat fixed pad, 10, installation fixed ring, 11, tubular dustproof protection cover, 12, electrostatic adsorption pad. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] The utility model provides a kind of spinneret for fiber spinning as Figures 1-4 As shown in a kind of spinneret for fiber spinning, including spinner integrated disc 2 and the sealing ring 3 being set at the top of spinner integrated disc 2, spinner ring 4 is provided at the top of sealing ring 3, the outer diameter of sealing ring 3 and spinner integrated disc 2 and spinner ring 4 is equal, a plurality of spinner holes 6 are provided inside the center of spinner ring 4 top, spinner ring 4 is hollow inside, and spinner hole 6 is communicated between spinner ring 4 hollow inside, annular groove is provided in the upper and lower ends of sealing ring 3, and high-temperature-resistant sealing pad is provided in the two annular grooves, two high-temperature-resistant sealing pads are tightly attached with the top outer wall of spinner integrated disc 2 and the bottom outer wall of spinner ring 4 respectively, spinner integrated disc 2 is communicated inside spinner ring 4, when spinning fluid enters spinner ring 4 inside, under the action of pressure, fluid is uniformly extruded through a plurality of spinner holes 6, to realize the spinning forming of fiber, external thread mounting head 1 is provided at the center of spinner integrated disc 2 bottom, in the inside of external thread mounting head 1, and external thread mounting head 1 is communicated inside spinner integrated disc 2, rotating sealing nut 8 is sleeved on the outside of external thread mounting head 1 top, the top outer wall of rotating sealing nut 8 and the bottom outer wall of spinner integrated disc 2 are mutually attached, rotating sealing nut 8 and external thread mounting head 1 are fixed and sealed by welding, in the aspect of spinning fluid conveying principle, external thread mounting head 1 plays a key role, external thread mounting head 1 is hollow inside and is communicated inside spinner integrated disc 2, it provides an inlet channel for spinning fluid, spinning fluid enters spinner integrated disc 2 inside from the outside through external thread mounting head 1, and then is transmitted to spinner ring 4 through internal channel, rotating sealing nut 8 that is sleeved on the outside of external thread mounting head 1 top, not only is fixed and sealed with external thread mounting head 1 by welding, to prevent fluid leakage, and its top outer wall and the bottom outer wall of spinner integrated disc 2 are mutually attached, to further enhance the sealing property and stability of overall structure.

[0024] As shown in a kind of spinneret for fiber spinning, including spinner integrated disc 2 and the sealing ring 3 being set at the top of spinner integrated disc 2, spinner ring 4 is provided at the top of sealing ring 3, the outer diameter of sealing ring 3 and spinner integrated disc 2 and spinner ring 4 is equal, a plurality of spinner holes 6 are provided inside the center of spinner ring 4 top, spinner ring 4 is hollow inside, and spinner hole 6 is communicated between spinner ring 4 hollow inside, annular groove is provided in the upper and lower ends of sealing ring 3, and high-temperature-resistant sealing pad is provided in the two annular grooves, two high-temperature-resistant sealing pads are tightly attached with the top outer wall of spinner integrated disc 2 and the bottom outer wall of spinner ring 4 respectively, spinner integrated disc 2 is communicated inside spinner ring 4, when spinning fluid enters spinner ring 4 inside, under the action of pressure, fluid is uniformly extruded through a plurality of spinner holes 6, to realize the spinning forming of fiber, external thread mounting head 1 is provided at the center of spinner integrated disc 2 bottom, in the inside of external thread mounting head 1, and external thread mounting head 1 is communicated inside spinner integrated disc 2, rotating sealing nut 8 is sleeved on the outside of external thread mounting head 1 top, the top outer wall of rotating sealing nut 8 and the bottom outer wall of spinner integrated disc 2 are mutually attached, rotating sealing nut 8 and external thread mounting head 1 are fixed and sealed by welding, in the aspect of spinning fluid conveying principle, external thread mounting head 1 plays a key role, external thread mounting head 1 is hollow inside and is communicated inside spinner integrated disc 2, it provides an inlet channel for spinning fluid, spinning fluid enters spinner integrated disc 2 inside from the outside through external thread mounting head 1, and then is transmitted to spinner ring 4 through internal channel, rotating sealing nut 8 that is sleeved on the outside of external thread mounting head 1 top, not only is fixed and sealed with external thread mounting head 1 by welding, to prevent fluid leakage, and its top outer wall and the bottom outer wall of spinner integrated disc 2 are mutually attached, to further enhance the sealing property and stability of overall structure. Figure 1 、 Figure 2 and Figure 3As shown, the spinning disc 4 is fixedly connected with the sealing ring 3 and the spinning integrated disc 2 through a plurality of connecting fixing bolts 7 surrounding the outside of the spinning hole 6, and the mounting fixing ring 10 and the annular flat fixing pad 9 are protected outside the plurality of connecting fixing bolts 7. The fiber spinning nozzle in the structural design and operation follows a specific method principle to realize efficient and stable fiber spinning operation. From the structure connection and sealing principle, the spinning integrated disc 2, the sealing ring 3 and the spinning disc 4 are combined together through the carefully designed connection and sealing mode. The high-temperature-resistant sealing pad is arranged in the annular groove at the upper and lower ends of the sealing ring 3 and tightly adheres to the outer wall of the top end of the spinning integrated disc 2 and the outer wall of the bottom end of the spinning disc 4. This design ensures the internal connectivity of the spinning integrated disc 2 and the spinning disc 4, guarantees the smooth transmission of the spinning fluid between the two, and on the other hand, the high-temperature-resistant sealing pad can effectively block the leakage of high-temperature fluid in the spinning process and adapt to the temperature change in the spinning process, maintaining good sealing performance. The spinning disc 4 is fixedly connected with the sealing ring 3 and the spinning integrated disc 2 through a plurality of connecting fixing bolts 7 surrounding the outside of the spinning hole 6, which guarantees the stability of the connection between the components and makes the entire spinning head structure able to withstand the spinning pressure without loosening during the working process.

[0025] As Figure 1 and Figure 4As shown, the top end of the spinning disc 4 is provided with a dustproof protection device 5, and the dustproof protection device 5 surrounds the outside of the plurality of spinning holes 6, the dustproof protection device 5 includes a ring type flat fixed pad 9, a mounting fixed ring 10, a cylindrical dustproof protection cover 11 and an electrostatic adsorption pad 12, the ring type flat fixed pad 9 is fixed on the top end outer wall of the spinning disc 4, and the annular outer wall of the ring type flat fixed pad 9 is close to the annular outer wall of the spinning disc 4, the mounting fixed ring 10 is fixed on the top end of the ring type flat fixed pad 9, the cylindrical dustproof protection cover 11 is sleeved on the outside of the mounting fixed ring 10, the cylindrical dustproof protection cover 11 can directly form a physical barrier to the spinning hole 6, effectively preventing external dust, fiber impurities and the like from directly falling into the spinning hole 6, in the fiber spinning workshop environment, there are often various small particles suspended in the air, if these particles enter the spinning hole 6, the spinning hole 6 will be blocked, affecting the uniformity and continuity of spinning, leading to the quality of spun fiber to decline, uneven thickness, increased broken ends and other problems, while the existence of the cylindrical dustproof protection cover 11 greatly reduces this risk, ensures the stable progress of the spinning process, improves the quality of fiber products, the inner wall of the cylindrical dustproof protection cover 11 is fixed with the electrostatic adsorption pad 12, the setting of the electrostatic adsorption pad 12 further enhances the dustproof effect, the electrostatic adsorption pad 12 can use the principle of electrostatic adsorption to actively adsorb small dust and impurities near the spinning hole 6, even if a small amount of dust breaks through the physical barrier of the cylindrical dustproof protection cover 11, it will also be adsorbed by the electrostatic adsorption pad 12 and cannot enter the spinning hole 6, this double protection mechanism greatly improves the dustproof protection ability of the spinning hole 6, reduces the production interruption and product quality problems caused by impurities entering the spinning hole 6, and improves the production efficiency.

[0026] As Figure 1 and Figure 4As shown, the mounting fixing ring 10 is flush with the annular outer wall of the ring-shaped flat fixing pad 9, and the cylindrical dustproof protective cover 11 can be completely sleeved on the annular outer part of the ring-shaped flat fixing pad 9 and the mounting fixing ring 10. The cylindrical dustproof protective cover 11 is in interference fit with the ring-shaped flat fixing pad 9 and the mounting fixing ring 10. The outer corner of the top end of the mounting fixing ring 10 is provided with an inclined surface to facilitate the quick and accurate sleeving of the cylindrical dustproof protective cover 11 on the outer part of the top end of the mounting fixing ring 10. When the bottom end of the electrostatic adsorption pad 12 contacts the top end of the mounting fixing ring 10, the bottom end of the electrostatic adsorption pad 12 and the top end of the mounting fixing ring 10 are mutually attached. The dustproof protection device 5 has convenience and practicality in structural design. The design of the ring-shaped flat fixing pad 9 and the mounting fixing ring 10 makes the installation and disassembly of the cylindrical dustproof protective cover 11 very convenient. The outer corner of the top end of the mounting fixing ring 10 is provided with an inclined surface to facilitate the quick and accurate sleeving of the cylindrical dustproof protective cover 11 on the outer part of the top end of the mounting fixing ring 10. When it is necessary to clean, maintain or replace parts of the spinneret, the cylindrical dustproof protective cover 11 can be quickly removed, which is simple and fast. After maintenance, it can be quickly and accurately installed back to the original position, and will not affect the production progress due to inconvenient installation.

[0027] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A fiber spinning nozzle, comprising a spinning integrated disc (2) and a sealing ring (3) arranged at the top end of the spinning integrated disc (2), wherein the top end of the sealing ring (3) is provided with a spinning disc (4), the outer diameter of the sealing ring (3), the spinning integrated disc (2) and the spinning disc (4) is equal, a plurality of spinning holes (6) are arranged inside the center of the top end of the spinning disc (4), the spinning disc (4) is hollow inside, and the spinning holes (6) are in communication with the hollow inside of the spinning disc (4), characterized in that: The spinneret (4) top end is provided with dustproof protection device (5), and the dustproof protection device (5) is protected around the outside of multiple spinning holes (6); ​ The dustproof protection device (5) includes ring type flat fixed pad (9), installation fixed ring (10), cylinder type dustproof protection cover (11) and electrostatic adsorption pad (12), the ring type flat fixed pad (9) is fixed on the top end outer wall of spinneret (4), and the annular outer wall of ring type flat fixed pad (9) is close to the annular outer wall of spinneret (4), the installation fixed ring (10) is fixed on the top end of ring type flat fixed pad (9), the outside of installation fixed ring (10) is sleeved with cylinder type dustproof protection cover (11), and the inner wall of cylinder type dustproof protection cover (11) is fixed with electrostatic adsorption pad (12).

2. A spinneret for spinning fibers according to claim 1, characterized in that: The installation fixed ring (10) is flush with the annular outer wall of ring type flat fixed pad (9), and the cylinder type dustproof protection cover (11) can be completely sleeved on the annular outside of ring type flat fixed pad (9) and installation fixed ring (10), and the cylinder type dustproof protection cover (11) is interference fit between ring type flat fixed pad (9) and installation fixed ring (10).

3. A spinneret for spinning fibres according to claim 2, characterised in that: The top end outer corner of installation fixed ring (10) is provided with an inclined surface to facilitate the quick and accurate sleeving of cylinder type dustproof protection cover (11) on the top end outside of installation fixed ring (10), when the bottom end outer wall of cylinder type dustproof protection cover (11) contacts the top end outer wall of spinneret (4), the bottom end of electrostatic adsorption pad (12) and the top end of installation fixed ring (10) are mutually attached.

4. A spinneret for spinning fibres according to claim 3, characterised in that: The spinneret (4) is fixedly connected with the sealing ring (3) and the spinning integrated disc (2) through a plurality of connecting fixed bolts (7), the plurality of connecting fixed bolts (7) are arranged on the outside of the spinning hole (6), and the installation fixed ring (10) and the ring type flat fixed pad (9) are protected on the outside of the plurality of connecting fixed bolts (7).

5. A spinneret for spinning fibers according to claim 1, characterized in that: The sealing ring (3) is provided with annular grooves on both ends, and high-temperature-resistant sealing pads are arranged in the two annular grooves, the two high-temperature-resistant sealing pads are respectively tightly attached to the top end outer wall of the spinning integrated disc (2) and the bottom end outer wall of the spinneret (4), and the spinning integrated disc (2) is in communication with the spinneret (4).

6. A spinneret for spinning fibres according to claim 5, characterised in that: The spinning integrated disc (2) is provided with an externally threaded mounting head (1) at the bottom end center, and the externally threaded mounting head (1) is in communication with the inside of the spinning integrated disc (2).

7. A spinneret for spinning fibres according to claim 6, characterised in that: The top end outside of the externally threaded mounting head (1) is sleeved with a rotary sealing nut (8), the top end outer wall of the rotary sealing nut (8) is attached to the bottom end outer wall of the spinning integrated disc (2), and the rotary sealing nut (8) and the externally threaded mounting head (1) are fixed and sealed by welding.