An apparatus for producing a fiber having a special cross section and a method for producing the same

Abstract

The present application relates to the technical field of fiber production, and discloses a special-shaped cross-section fiber production device and a preparation method, which comprises a spinneret and a frame fixedly installed on the spinneret, the bottom of the spinneret is provided with spinneret holes in array, the inside of the spinneret is provided with a conveying assembly, the inside of the spinneret is provided with a driving assembly, the driving assembly is fixedly connected with a disc, two groups of strip-shaped frames are fixedly installed on the disc, and the inside of the strip-shaped frame is provided with an adjusting assembly. The special-shaped cross-section fiber production device is automatically cleaned by the cleaning plate, the cleaning plate is moved to the lower side of the spinneret hole, the strip-shaped frame is synchronously moved by the stepping motor when the strip-shaped frame is in contact with the spinneret hole, the cleaning plate is synchronously moved by the strip-shaped frame when the strip-shaped frame is rotated, the impurities adsorbed on the spinneret hole are removed when the cleaning plate is moved, the purpose of automatically cleaning the spinneret is achieved, and the use of the spinneret is not affected by too many adsorbed substances.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fiber production, in particular to a special-shaped cross-section fiber production device and preparation method. BACKGROUND

[0002] Special-shaped cross-section fiber is a kind of special fiber, its cross-section shape is different from common round fiber, special-shaped fiber cross-section shape is usually triangular, trapezoidal, rectangular or other irregular shape, has higher strength, durability and hygroscopicity and other advantages, special-shaped fiber can also be used to manufacture composite materials, reinforced plastics, filter materials and the like, special-shaped cross-section fiber production device is a kind of equipment commonly used in microfabrication field, it can spray molten liquid material into fine fiber, i.e. spinneret, spinneret is usually made of porous metal plate, liquid material is sprayed out through these holes to form fiber shape.

[0003] The existing special-shaped cross-section fiber production device is not convenient for automatic cleaning of the spinning hole when in use, when the spinning hole adsorbs too much impurity, the quality of special-shaped cross-section fiber production will be affected, then manual cleaning of impurities is required, but manual cleaning is time-consuming and labor-intensive, affecting work efficiency.

[0004] Patent document CN204959122U discloses a ring-shaped spinneret, "the ring-shaped spinneret can avoid glue leakage through improvement of plate structure on one hand, and through spinning channel structure, the spun fiber has high forming degree, good softness, high bulkiness and easy dyeing characteristics on the other hand", however, the ring-shaped spinneret of the above-mentioned disclosure mainly considers making the spun fiber have high forming degree, but does not consider automatic cleaning, therefore, it is necessary to research a special-shaped cross-section fiber production device and preparation method. SUMMARY

[0005] The present application aims to provide a special-shaped cross-section fiber production device and preparation method to solve the problem of not being convenient for automatic cleaning of the spinning hole in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a special-shaped cross-section fiber production device, comprising a spinneret and a frame fixedly installed on the spinneret, the bottom of the spinneret is arrayed with spinning holes, the inside of the spinneret is provided with a conveying assembly;

[0007] The inside of the spinneret is provided with a driving assembly, the driving assembly is fixedly connected with a disc, two groups of strip-shaped frames are fixedly installed on the disc, the inside of the strip-shaped frame is provided with an adjusting assembly, a strip-shaped plate is arranged in the inside of the strip-shaped frame, the bottom of the strip-shaped plate is fixedly connected with a cleaning plate, the inside of the strip-shaped frame is provided with a guide assembly;

[0008] The inside of the frame is provided with a conveying pipe, and the conveying pipe is communicated with the conveying assembly.

[0009] Preferably, the conveying assembly comprises an annular groove and a communicating pipe, the annular groove is fixedly arranged in the inside of the spinneret, and the annular groove is located above the spinning hole, the communicating pipe is arranged on the annular groove, and the other end of the communicating pipe is communicated with the conveying pipe.

[0010] Preferably, the driving assembly comprises a protective box, a stepping motor and a rotating shaft, the protective box is fixedly arranged in the inside of the spinneret, and the protective box is located below the conveying pipe, the stepping motor is fixedly arranged in the inside of the protective box, and the rotating shaft is fixedly arranged at the output end of the stepping motor and is fixedly connected with the output end of the stepping motor.

[0011] Preferably, the adjusting assembly comprises a mounting groove, a second motor and a threaded screw rod, the mounting groove is arranged in the inside of the strip-shaped frame, the second motor is fixedly arranged in the inside of the mounting groove, and the threaded screw rod is fixedly connected with the output end of the second motor.

[0012] Preferably, the inside of the strip-shaped plate is fixedly provided with a threaded cylinder corresponding to the threaded screw rod, and the threaded screw rod is threadedly connected with the threaded cylinder.

[0013] Preferably, the guiding assembly comprises a guiding groove and a limiting block, the guiding groove is symmetrically arranged on the strip-shaped plate, and the limiting block is fixedly arranged in the inside of the strip-shaped frame and extends to the inside of the guiding groove.

[0014] Preferably, the bottom of the strip-shaped frame is fixedly provided with a rubber scraper, and the rubber scraper is located on one side of the strip-shaped plate.

[0015] Preferably, the inside of the strip-shaped plate is fixedly provided with a movable groove, one end of the movable groove extends to the inside of the cleaning plate, a hole corresponding to the spinning hole is arranged on the movable groove, a sliding block is arranged in the inside of the spinning hole, a supporting plate is fixedly connected to the bottom of the sliding block, the supporting plate is made of magnetic material, an electromagnet is fixedly arranged in the inside of the movable groove and located on one side of the supporting plate.

[0016] Preferably, a guiding rod is fixedly arranged in the inside of the movable groove, a guiding hole corresponding to the guiding rod is arranged on the supporting plate, the guiding rod is arranged in the inside of the guiding hole, a return spring is arranged around the guiding rod and located on one side of the supporting plate.

[0017] A method for preparing a fiber with a special cross section, comprising:

[0018] S1, a fiber base material and a plasticizing aid are added to a high-pressure homogenizer, mixed uniformly, and melted at 310-330°C for spinning;

[0019] S2, according to the demand manufacturing different model spinneret, and provided with steam generator to the upper surface of the spinneret release steam;

[0020] S3, by spinning to different model spinneret, forming different shape interface profiled fiber.

[0021] Compared with the prior art, the beneficial effects of the present application are:

[0022] 1. The present application is provided with a cleaning plate, which can automatically clean the spinneret holes on the profiled cross-section fiber production device, avoid the influence of excessive adsorption on the use of spinneret holes on the spinneret plate, and the second motor works to drive the threaded lead screw to rotate, which moves the position of the threaded cylinder, and in turn drives the strip-shaped plate to move when the threaded cylinder moves, and the strip-shaped plate moves to drive the cleaning plate to move, so that the cleaning plate moves to the lower side of the spinneret hole and contacts the spinneret hole, and the stepping motor works to drive the rotating shaft to rotate, which drives the disc to rotate, and in turn drives the strip-shaped frame to move synchronously, and the strip-shaped frame rotates to drive the cleaning plate to move synchronously, which removes the impurities adsorbed on the spinneret hole, and in turn achieves the purpose of automatically cleaning the spinneret plate, avoiding the influence of excessive adsorption on the normal use of the spinneret plate.

[0023] 2. The present application is provided with a sliding block and an electromagnet to avoid the phenomenon of blockage of the spinneret hole on the profiled cross-section fiber production device, because of the array arrangement of the spinneret hole, the stepping motor works to rotate at the interval of the arrangement of the spinneret hole, when the cleaning plate moves to the lower side of the spinneret hole, the sliding block is aligned with the spinneret hole, and in turn the electromagnet works to generate magnetic force, which drives the support plate to move, and in turn drives the sliding block to move, and the sliding block moves through the hole to enter the inside of the spinneret hole, and in turn removes the impurities remaining in the inside of the spinneret hole, avoiding the blockage of the spinneret hole, and after the electromagnet is powered off, the reset spring resets to drive the support plate to move, and in turn the support plate resets through the guide hole, and in turn drives the sliding block to reset, and after the sliding block resets, the stepping motor continues to move, and in this way, the spinneret hole on the spinneret plate can be cleaned repeatedly, avoiding the blockage of the spinneret hole affecting the normal use. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0025] Figure 2 It is a schematic diagram of the structure of the spinneret hole of the present application;

[0026] Figure 3 It is a schematic diagram of the structure of the annular groove of the present application;

[0027] Figure 4 It is a schematic diagram of the structure of the strip-shaped frame of the present application;

[0028] Figure 5 Structure diagram of the strip plate of the present application;

[0029] Figure 6 Structure diagram of the protection box of the present application;

[0030] Figure 7 Structure diagram of the cleaning plate of the present application;

[0031] Figure 8 Structure diagram of the movable groove of the present application.

[0032] In the figure: 1, frame; 2, conveying pipe; 3, spinneret; 4, spinneret hole; 5, annular groove; 6, communication pipe; 7, protection box; 8, stepping motor; 9, rotating shaft; 10, disc; 11, strip frame; 12, mounting groove; 13, No. 2 motor; 14, threaded screw rod; 15, strip plate; 16, threaded cylinder; 17, cleaning plate; 18, guide groove; 19, limiting block; 20, rubber scraper; 21, movable groove; 22, hole; 23, sliding block; 24, support plate; 25, electromagnet; 26, guide rod; 27, return spring; 28, guide hole. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0034] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present application, it should be noted that unless otherwise expressly specified and limited, the terms "mounting", "provided with", "connected" and the like should be interpreted broadly, for example, "connected" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. Embodiment 1

[0036] Please refer to Figure 1 - Figure 7 An embodiment provided by the present application: a special-shaped cross-section fiber production device, comprising a spinneret 3 and a frame 1 fixedly installed on the spinneret 3, the bottom of the spinneret 3 is provided with an array of spinning holes 4, the inside of the spinneret 3 is provided with a conveying assembly, the inside of the spinneret 3 is provided with a driving assembly, the driving assembly is fixedly connected with a disc 10, two groups of strip-shaped racks 11 are fixedly installed on the disc 10, the inside of the strip-shaped rack 11 is provided with an adjusting assembly, the inside of the strip-shaped rack 11 is provided with a strip-shaped plate 15, the bottom of the strip-shaped plate 15 is fixedly connected with a cleaning plate 17, the inside of the strip-shaped rack 11 is provided with a guiding assembly, the inside of the frame 1 is installed with a conveying pipe 2, and the conveying pipe 2 is communicated with the conveying assembly. When the special-shaped cross-section fiber production device is used to produce and prepare fibers, the fiber base material and the shaping aid are added to the high-pressure homogenizer, mixed uniformly, and the melted material will enter the inside of the conveying assembly through the conveying pipe 2, and the continuous pressure will make the material flow to the outside through the spinning hole 4, and then the special-shaped cross-section fiber consistent with the shape of the spinning hole 4 will be generated. In the production process, the aid is added for shaping. Because the fiber is hollow, it is easy to be extruded and deformed, so the aid is added to stabilize the cross-sectional shape and enhance the strength of the yarn. The addition of the aid in the production of special-shaped cross-section fibers has the following benefits: improving the elasticity of the fiber, enhancing the wear resistance of the fiber, and improving the softness of the fiber. The produced special-shaped cross-section fiber is L-shaped in cross-section because the spinning hole 4 is opened into an L shape, which can be distinguished from other counterfeit products. To a certain extent, the weight is reduced, the middle is hollow, the weight can be reduced, and it has a certain rebound and anti-collision. When the spinneret 3 is cleaned, the adjusting assembly works to adjust the position of the strip-shaped plate 15. The movement of the strip-shaped plate 15 drives the movement of the cleaning plate 17, so that the cleaning plate 17 moves to the lower side of the spinning hole 4 and contacts the spinning hole 4. After that, the driving assembly works to drive the rotation of the disc 10, which in turn drives the rotation of the strip-shaped rack 11, and then drives the synchronous movement of the cleaning plate 17 during the rotation of the strip-shaped rack 11. The movement of the cleaning plate 17 removes the impurities adsorbed on the spinning hole 4, thereby achieving the purpose of automatically cleaning the spinneret 3, avoiding too much adsorption affecting the normal use of the spinneret 3.

[0037] Referring to Figure 3 , the application provides an embodiment of a conveying assembly, which comprises an annular groove 5 and a communication pipe 6, the annular groove 5 is fixedly arranged in the inside of the spinneret 3, and the annular groove 5 is located above the spinneret hole 4, the communication pipe 6 is arranged on the annular groove 5 in an array, and the other end of the communication pipe 6 is communicated with the conveying pipe 2, after the mixed and melted material enters the inside of the conveying pipe 2, the material flows into the inside of the annular groove 5 through the communication pipe 6, and then the material in the inside of the annular groove 5 moves to the outside through the spinneret hole 4, and then the special-shaped cross-section fiber consistent with the shape of the spinneret hole 4 is generated.

[0038] Referring to Figure 6 , the application provides an embodiment of a driving assembly, which comprises a protection box 7, a stepping motor 8 and a rotating shaft 9, the protection box 7 is fixedly arranged in the inside of the spinneret 3, and the protection box 7 is located below the conveying pipe 2, the stepping motor 8 is fixedly arranged in the inside of the protection box 7, the rotating shaft 9 is fixedly arranged at the output end of the stepping motor 8, and one end of the rotating shaft 9 is fixedly connected with the output end of the stepping motor 8, and the other end of the rotating shaft 9 is fixedly connected with a disc 10, when the driving assembly works, the stepping motor 8 works to drive the rotating shaft 9 to rotate, the rotating shaft 9 rotates to drive the disc 10 to rotate, and then the disc 10 drives the strip-shaped frame 11 to move synchronously.

[0039] Referring to Figure 4 and Figure 5 , the application provides an embodiment of an adjusting assembly, which comprises a mounting groove 12, a second motor 13 and a threaded lead screw 14, the mounting groove 12 is arranged in the inside of the strip-shaped frame 11, the second motor 13 is fixedly arranged in the inside of the mounting groove 12, the threaded lead screw 14 is fixedly connected with the output end of the second motor 13, a threaded cylinder 16 corresponding to the threaded lead screw 14 is fixedly arranged in the inside of a strip-shaped plate 15, and the threaded lead screw 14 is threadedly connected with the threaded cylinder 16, the second motor 13 works to drive the threaded lead screw 14 to rotate, the threaded lead screw 14 rotates to move the position of the threaded cylinder 16, and then the strip-shaped plate 15 moves when the threaded cylinder 16 moves, so that the position of the strip-shaped plate 15 is adjusted.

[0040] Referring to Figure 4 and Figure 5 , the application provides an embodiment of a guiding assembly, which comprises a guiding groove 18 and a limiting block 19, the guiding groove 18 is symmetrically arranged on the strip-shaped plate 15, and the limiting block 19 is fixedly arranged in the inside of the strip-shaped frame 11, and one end of the limiting block 19 extends into the inside of the guiding groove 18, when the strip-shaped plate 15 moves, the guiding groove 18 slides on the limiting block 19, so that the strip-shaped plate 15 is guided and limited to move stably.

[0041] Referring to Figure 4The embodiment provided by the present application is that the bottom of the strip-shaped frame 11 is fixedly installed with a rubber scraper 20, and the rubber scraper 20 is located on one side of the strip-shaped plate 15, and the rubber scraper 20 is driven to move synchronously when the strip-shaped frame 11 moves, and then the rubber scraper 20 can clean the places that cannot be cleaned by the cleaning plate 17. Embodiment 2

[0042] Please refer to Figure 7 and Figure 8 The embodiment provided by the present application is that the inside of the strip-shaped plate 15 is fixedly installed with a movable groove 21, one end of the movable groove 21 extends to the inside of the cleaning plate 17, the movable groove 21 is provided with a hole 22 corresponding to the spinning hole 4, the inside of the spinning hole 4 is provided with a sliding block 23, the bottom of the sliding block 23 is fixedly connected with a support plate 24, the support plate 24 is made of magnetic material, the inside of the movable groove 21 is fixedly installed with an electromagnet 25, the electromagnet 25 is located on one side of the support plate 24, the inside of the movable groove 21 is fixedly installed with a guide rod 26, the support plate 24 is provided with a guide hole 28 corresponding to the guide rod 26, the guide rod 26 is arranged in the inside of the guide hole 28, the guide rod 26 is surrounded and installed with a return spring 27, and the return spring 27 is located on one side of the support plate 24. Since the spinning holes 4 are arranged in an array, the stepping motor 8 works and rotates at intervals according to the interval of the arrangement of the spinning holes 4, when the cleaning plate 17 moves to the lower side of the spinning hole 4, the sliding block 23 is aligned with the spinning hole 4, and then the electromagnet 25 works to generate magnetic force to drive the support plate 24 to move, when the support plate 24 moves, the sliding block 23 moves, the sliding block 23 moves through the hole 22 and enters the inside of the spinning hole 4, and then the impurities remaining in the inside of the spinning hole 4 are removed, so that the spinning hole 4 is prevented from being blocked. After the electromagnet 25 is powered off, the return spring 27 is reset to drive the support plate 24 to move, the support plate 24 moves through the guide hole 28 to reset the support plate 24, and then the support plate 24 drives the sliding block 23 to reset, after the sliding block 23 is reset, the stepping motor 8 continues to move, and the spinning holes 4 on the spinning plate 3 are cleaned repeatedly, so that the spinning holes 4 are prevented from being blocked to affect normal use.

[0043] A method for preparing a fiber with a special cross section, comprising:

[0044] S1, the fiber base material and the plasticizing aid are added into a high-pressure homogenizer, mixed uniformly, and melted at 310-330°C for spinning;

[0045] S2, a spinning plate with different models is manufactured according to requirements, and a steam generator for releasing steam to the upper surface of the spinning plate is arranged;

[0046] S3, different model spinning plates are spun to form a special fiber with a different shape interface.

[0047] The working principle is that firstly, the inside of the frame 1 is internally provided with a conveying pipe 2, and the conveying pipe 2 is communicated with the conveying assembly, when the device for producing the fiber with special cross section is used to produce and prepare the fiber, the fiber base material and the plasticizing additive are added into the high-pressure homogenizer, and the mixed and melted material will enter into the inside of the communicating pipe 6 through the conveying pipe 2, and then flow into the inside of the annular groove 5 through the communicating pipe 6, and then the material in the inside of the annular groove 5 will move to the outside through the spinneret hole 4, and the continuous pressure will make the material flow to the outside through the spinneret hole 4, and then the special cross section fiber with the same shape as the spinneret hole 4 will be generated, and the additive is added in the production process for plasticizing, because the fiber is hollow, it is easy to be extruded and deformed, therefore, the additive is added for stabilizing the cross section shape and enhancing the strength of the yarn, and the following advantages of adding the additive in the production of the special cross section fiber are obtained, the fiber elasticity is improved, the fiber wear resistance is enhanced, and the fiber softness is improved, the produced special cross section fiber is L-shaped due to the L-shaped spinneret hole 4, and the yarn is L-shaped cross section, which can be distinguished from other counterfeit products, and the weight is reduced to a certain extent, the middle part is hollow, the weight can be reduced, and a certain rebound is provided, and the collision is prevented, when the spinneret plate 3 is cleaned, the excessive adsorption material is avoided to affect the use of the spinneret hole 4 on the spinneret plate 3, the second motor 13 works to drive the threaded screw rod 14 to rotate, the threaded screw rod 14 rotates to move the position of the threaded cylinder 16, and then the threaded cylinder 16 moves to drive the strip-shaped plate 15 to move, the strip-shaped plate 15 moves to drive the cleaning plate 17 to move, the cleaning plate 17 moves to the below of the spinneret hole 4, and after the cleaning plate 17 contacts with the spinneret hole 4, the stepping motor 8 works to drive the rotating shaft 9 to rotate, the rotating shaft 9 rotates to drive the disc 10 to rotate, and then the disc 10 drives the strip-shaped frame 11 to move synchronously, the strip-shaped frame 11 rotates to drive the cleaning plate 17 to move synchronously, the cleaning plate 17 moves to clean the impurities adsorbed on the spinneret hole 4, and then the purpose of automatically cleaning the spinneret plate 3 is achieved, and the excessive adsorption material is avoided to affect the normal use of the spinneret plate 3, because the spinneret hole 4 is arranged in an array, the stepping motor 8 works to rotate at the interval of the arrangement interval of the spinneret hole 4, when the cleaning plate 17 moves to the below of the spinneret hole 4, the sliding block 23 is aligned with the spinneret hole 4, and then the electromagnet 25 works to generate magnetic force, and the support plate 24 is driven to move, the support plate 24 moves to drive the sliding block 23 to move, the sliding block 23 moves through the hole 22 to enter into the inside of the spinneret hole 4, and then the residual impurities in the inside of the spinneret hole 4 are cleaned, and the phenomenon of the spinneret hole 4 being blocked is avoided, after the electromagnet 25 is powered off, the reset spring 27 is reset to drive the support plate 24 to move, the support plate 24 moves through the guide hole 28 to reset the support plate 24, and then the support plate 24 drives the sliding block 23 to reset, after the sliding block 23 is reset, the stepping motor 8 continues to move, and the spinneret hole 4 on the spinneret plate 3 can be cleaned through the repeated movement, and the normal use of the spinneret hole 4 is avoided to be affected by the blockage.

[0048] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics of the present application. The embodiments should therefore be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims with respect to the figures of the patent document.

Claims

1. A fiber production apparatus with irregular cross-section, comprising a spinneret (3) and a frame (1) fixedly mounted on the spinneret (3), characterized in that: The bottom array of the spinneret (3) is provided with spinneret holes (4), and the inside of the spinneret (3) is provided with a conveying assembly; The spinneret (3) is equipped with a drive assembly, and a disc (10) is fixedly connected to the drive assembly. Two sets of strip frames (11) are fixedly installed on the disc (10). An adjustment assembly is provided inside the strip frame (11). A strip plate (15) is inserted inside the strip frame (11). A cleaning plate (17) is fixedly connected to the bottom of the strip plate (15). A guide assembly is provided inside the strip frame (11). The frame (1) is equipped with a conveying pipe (2), and the conveying pipe (2) is connected to the conveying assembly; The strip plate (15) has a movable groove (21) fixedly installed inside, and one end of the movable groove (21) extends into the interior of the cleaning plate (17). The movable groove (21) has holes (22) corresponding to the spinneret holes (4). A sliding block (23) is inserted inside the spinneret holes (4). A support plate (24) is fixedly connected to the bottom of the sliding block (23). The support plate (24) is made of magnetic material. An electromagnet (25) is fixedly installed inside the movable groove (21), and the electromagnet (25) is located on one side of the support plate (24). A guide rod (26) is fixedly installed inside the movable groove (21). A guide hole (28) corresponding to the guide rod (26) is provided on the support plate (24). The guide rod (26) passes through the guide hole (28). A return spring (27) is installed around the guide rod (26). The return spring (27) is located on one side of the support plate (24). The adjustment assembly includes a mounting slot (12), a second motor (13), and a threaded screw (14). The mounting slot (12) is located inside the strip frame (11), the second motor (13) is fixedly located inside the mounting slot (12), and the threaded screw (14) is fixedly connected to the output end of the second motor (13).

2. The irregular cross-section fiber production device according to claim 1, characterized in that: The conveying assembly includes an annular groove (5) and a connecting pipe (6). The annular groove (5) is fixedly disposed inside the spinneret (3) and is located above the spinneret hole (4). The connecting pipe (6) is arranged in an array on the annular groove (5) and the other end of the connecting pipe (6) is connected to the conveying pipe (2).

3. The irregular cross-section fiber production device according to claim 1, characterized in that: The drive assembly includes a protective box (7), a stepper motor (8), and a rotating shaft (9). The protective box (7) is fixedly installed inside the spinneret (3) and is located below the conveying pipe (2). The stepper motor (8) is fixedly installed inside the protective box (7). The rotating shaft (9) is fixedly installed at the output end of the stepper motor (8) and one end of the rotating shaft (9) is fixedly connected to the output end of the stepper motor (8).

4. The irregular cross-section fiber production device according to claim 1, characterized in that: The strip plate (15) has a threaded cylinder (16) corresponding to the threaded screw (14) fixedly installed inside, and the threaded screw (14) and the threaded cylinder (16) are threadedly connected.

5. The irregular cross-section fiber production apparatus according to claim 1, characterized in that: The guiding component includes a guide groove (18) and a limiting block (19). The guide groove (18) is symmetrically arranged on the strip plate (15). The limiting block (19) is fixedly installed inside the strip frame (11), and one end of the limiting block (19) extends into the interior of the guide groove (18).

6. The irregular cross-section fiber production apparatus according to claim 5, characterized in that: A rubber scraper (20) is fixedly installed at the bottom of the strip frame (11), and the rubber scraper (20) is located on one side of the strip plate (15).

7. A method for preparing irregularly shaped cross-section fibers, applicable to the irregularly shaped cross-section fiber production apparatus according to any one of claims 1-6, characterized in that, include: S1. Add the fiber base material and plasticizing agent to a high-pressure homogenizer, mix evenly, and melt at 310-330°C for textile processing; S2. Different models of spinnerets are manufactured according to requirements, and a steam generator is provided to release steam onto the upper surface of the spinneret. S3. By spinning yarn onto spinnerets of different models, irregularly shaped fibers with different interface shapes are formed.

Images