Hollow fiber preparation equipment

By using the switching design of two spinnerets and the use of ultrasonic cleaning machines in the hollow fiber preparation equipment, the production stagnation caused by blockage of a single spinneret is solved, and efficient production continuity and maintenance convenience are achieved.

CN119392391APending Publication Date: 2025-02-07ZHEJIANG TEXTILE & FASHION COLLEGE +1
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Patent Information

Application Number
CN202411616531.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-02-07

AI Technical Summary

Technical Problem

The existing hollow fiber preparation equipment adopts a single spinneret design. Once the spinneret is blocked, it needs to be shut down for manual cleaning, which increases maintenance costs and affects production continuity and efficiency.

Method used

A hollow fiber preparation equipment is designed, and the switching design of two spinnerets is adopted. The switching parts and plug-ins are used to realize the rapid switching and cleaning of the spinneret, and the ultrasonic cleaning machine is used to remove blockages.

Benefits of technology

It enables switching to another spinneret to continue production without shutting down when the spinneret is blocked, reducing production stagnation time, improving production efficiency, and simplifying the equipment maintenance process.

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Abstract

The invention relates to the technical field of fiber manufacturing equipment, and discloses hollow fiber preparation equipment which comprises preparation equipment and a supporting frame, a switching piece is arranged on the supporting frame, two spinneret plates are installed on the switching piece, the switching piece comprises a motor driving the switching piece to rotate, and the two spinneret plates are arranged on the supporting frame. A pipeline on the preparation equipment is connected with one of the spinneret plates, the supporting frame is provided with an inserting and pulling piece, the pipeline on the preparation equipment is connected with the inserting and pulling piece, and the inserting and pulling piece is used for connecting and separating the pipeline on the preparation equipment and the spinneret plates; the problems that existing hollow fiber preparation equipment mostly adopts a single spinneret plate design, and once the spinneret plate is blocked, shutdown is often needed for manual cleaning, so that the maintenance cost is increased, and the continuity and the production efficiency of a production line are seriously influenced are effectively solved.
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Description

Technical Field

[0001] The invention relates to the technical field of fiber manufacturing equipment, and in particular to a hollow fiber preparation equipment. Background Art

[0002] In the field of chemical fiber manufacturing, hollow fibers are widely used in textile, medical, environmental protection and other industries due to their unique structure and performance. In the preparation process of hollow fibers, the spinneret is the core component, and its function is to guide the molten polymer solution or melt through the micropores to form continuous hollow fibers. However, in the actual production process, the spinneret is easily affected by factors such as impurities in the polymer solution, incompletely melted particles, and temperature fluctuations during operation, resulting in blockage of the micropores, thereby affecting the uniformity and quality of the hollow fibers.

[0003] Most of the existing hollow fiber preparation equipment adopts a single spinneret design. Once the spinneret is blocked, it is often necessary to stop the machine for manual cleaning, which not only increases maintenance costs, but also seriously affects the continuity and production efficiency of the production line. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that the existing hollow fiber preparation equipment mentioned in the above background technology mostly adopts a single spinneret design. Once the spinneret is blocked, it is often necessary to stop the machine for manual cleaning, which not only increases the maintenance cost, but also seriously affects the continuity and production efficiency of the production line.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A hollow fiber preparation device comprises a preparation device and a support frame, wherein a switching member is provided on the support frame, two spinnerets are mounted on the switching member, the switching member comprises a motor for driving the switching member to rotate, a pipeline on the preparation device is connected to one of the spinnerets, a plug-in member is provided on the support frame, the pipeline on the preparation device is connected to the plug-in member, and the plug-in member is used for connecting and separating the pipeline on the preparation device and the spinneret.

[0006] Preferably, the plug-in piece is located on one side of one of the spinnerets, and an ultrasonic cleaning machine is provided under the support frame. The ultrasonic cleaning machine is provided under another spinneret away from the plug-in piece. The blocked spinneret can be better cleared and cleaned by the ultrasonic cleaning machine, and the impurities blocked in the spinneret can be fully cleaned out.

[0007] Preferably, the switching plate is provided with two through holes, and a movable plate 1 is provided in each of the two through holes. The switching plate is provided with multiple cylinders 1, and the multiple cylinders 1 are respectively arranged at the positions of the two through holes. A connecting end is provided on the movable plate 1, and the connecting end is connected to the output shaft of the cylinder 1. A mounting slot is provided on the movable plate 1, and the spinneret is installed in the mounting slot. The movable plate 1 can be driven by the cylinder 1 to move up and down, so that the blocked spinneret can be moved down to the ultrasonic cleaning machine for cleaning.

[0008] Preferably, the motor is mounted on a support frame, and the output shaft of the motor passes through the support frame and is connected to a switching plate. When the motor rotates, the output shaft drives the switching plate connected thereto to rotate, so that the two spinnerets are switched in position.

[0009] Preferably, the plug-in component includes a fixing plate, one end of which is fixedly connected to the side of the support frame, and one end of the fixing plate away from the support frame is fixedly connected to a positioning plate, a cylinder 2 is installed on the positioning plate, a moving block 1 is connected to the output shaft of the cylinder 2, and a docking joint 1 is provided on the moving block 1, and the joint on the spinneret can be automatically connected or separated by the plug-in component.

[0010] The cam is connected with the movable part and the movable part is connected with the movable part through the movable part and the movable part is connected with the movable part through the movable part.

[0011] Preferably, two joints are provided on the spinneret, and the two joints are respectively located above and on the side of the spinneret. The butt joint 1 and the butt joint 2 are respectively connected to the pipeline on the preparation equipment, and the two joints are respectively connected to the pipeline on the preparation equipment through the butt joint 1 and the butt joint 2. Sealing rings are provided inside the butt joint 1 and the butt joint 2, so that the butt joint 1 and the butt joint 2 can better seal and dock the two joints on the spinneret.

[0012] Preferably, a movable hole 1 is provided on the positioning plate, a limit block is movably provided in the movable hole 1, one end of the limit block is rotatably connected to the rotating plate, and the rotational connection between the limit block and the rotating plate enables the rotating plate to rotate with the connection point as the rotating point during rotation. The limit block is a polygon when in use, and the limit block can only perform horizontal linear movement through the movable hole 1.

[0013] Preferably, the displacement plate is provided with a second movable hole, the pushing end on the pushing block is located in the second movable hole, a supporting end is provided on the inner side of the positioning plate, a displacement hole is provided on the supporting end, the displacement rod is movably located in the displacement hole, and through the supporting end, the displacement plate and the displacement rod can move stably when moving.

[0014] Preferably, the positioning plate is provided with an extension end, the extension end is provided with a guide hole, the guide hole includes a horizontal end and an inclined end connected to the horizontal end, the two ends of the connecting rod are movably located in the guide hole, and the connecting rod 2 moves laterally when it is at the horizontal end. When it moves to the inclined end, the connecting rod 2 will be driven to move upward at an angle, so that the lower docking joint 2 moves upward at an angle after the joint is separated on the spinneret, so that the docking joint 2 will not affect the rotation of the switching plate when the switching plate rotates.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides two spinnerets. When one of the spinnerets is blocked, the spinneret can be quickly switched to the other spinneret to continue production without interrupting the production process to clean or replace the spinneret. This design greatly reduces the production downtime caused by spinneret blockage, thereby improving the overall production efficiency. The switch member can automatically switch between the two spinnerets. The plug-in parts are set up to enable the pipes on the hollow fiber preparation equipment and the joints on the spinneret to be quickly and accurately automatically connected and separated. This design not only simplifies the installation, disassembly and replacement process of the spinneret, reduces the difficulty of operation and labor costs, but also improves the convenience and safety of equipment maintenance; The ultrasonic cleaning machine can effectively remove impurities and blockages in the micropores of the spinneret by using the high-frequency vibration of ultrasound, thus restoring the normal function of the spinneret. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a structural view of the plug-in component of the present invention; Figure 3 is a cross-sectional view of a positioning plate of the present invention; Figure 4 A connection view of the rotating plate, the displacement plate, the displacement rod and the connecting rod of the present invention; Figure 5 This is a structural view of the positioning plate of the present invention; Figure 6 A structural view of a switching member of the present invention; Figure 7 This is a view showing the switching member and the supporting frame being separated from each other according to the present invention; Figure 8 An exploded view of the switching member structure of the present invention; Fig. 9 This is a separate view of the spinneret and the moving plate of the present invention.

[0018] Explanation of the figure numbers: 1. Support frame; 2. Spinneret; 3. Switching member; 31. Switching plate; 311. Through hole; 32. Motor; 33. Cylinder 1; 34. Moving plate; 341. Connecting end; 4. Plug-in member; 41. Fixing plate; 42. Positioning plate; 421. Active hole 1; 422. Support end; 423. Displacement hole; 424. Extension end; 425. Guide hole; 43. Cylinder 2; 44. Moving block 1; 441. Butt joint one; 45. Turn plate; 46. Limit block; 47. Push block; 471. Push end; 48. Displacement plate; 481. Movable hole two; 49. Displacement rod; 410. Connecting rod one; 411. Limit ring; 412. Moving rod one; 413. Moving rod two; 414. Connecting rod two; 415. Connecting plate; 416. Moving block two; 417. Butt joint two; 6. Ultrasonic cleaning machine. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below with reference to the accompanying drawings.

[0020] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the present invention defined in the following description can be used for other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the present invention.

[0021] Those skilled in the art should understand that, in the disclosure of the present invention, the directions or positions indicated by the terms "longitudinal", "lateral", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the directions or positional relationships shown in the accompanying drawings, which are only simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or component referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the above terms should not be understood as limitations on the present invention.

[0022] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity. Example

[0023] See also Figure 1-Figure 9 A hollow fiber preparation device comprises a preparation device and a support frame 1, a switching member 3 is provided on the support frame 1, two spinnerets 2 are installed on the switching member 3, the switching member 3 comprises a motor 32 for driving it to rotate, a pipeline on the preparation device is connected to one of the spinnerets 2, a plug-in member 4 is provided on the support frame 1, the pipeline on the preparation device is connected to the plug-in member 4, the plug-in member 4 is used for connecting and separating the pipeline on the preparation device and the spinneret 2, the plug-in member 4 is located on one side of one of the spinnerets 2, an ultrasonic cleaning machine 6 is provided under the support frame 1, the ultrasonic cleaning machine 6 is located under another spinneret 2 away from the plug-in member 4, the blocked spinneret 2 can be better dredged and cleaned by the ultrasonic cleaning machine 6, and the impurities blocked in the spinneret 2 can be fully cleaned out.

[0024] Furthermore, two through holes 311 are provided on the switching plate 31, and a movable plate 34 is provided in each of the two through holes 311. A plurality of cylinders 33 are provided on the switching plate 31, and the plurality of cylinders 33 are respectively arranged at the positions of the two through holes 311. A connecting end 341 is provided on the movable plate 34, and the connecting end 341 is connected to the output shaft of the cylinder 33. A mounting slot is provided on the movable plate 34, and the spinneret 2 is mounted in the mounting slot. The movable plate 34 can be driven by the cylinder 33 to move up and down, so that the blocked spinneret 2 can be moved down to the ultrasonic cleaning machine 6 for cleaning. The motor 32 is mounted on the support frame 1, and the output shaft of the motor 32 passes through the support frame 1 and is connected to the switching plate 31. When the motor 32 rotates, it drives the switching plate 31 connected thereto to rotate through the output shaft, so that the two spinnerets 2 are switched in position.

[0025] Furthermore, the plug-in component 4 includes a fixing plate 41, one end of which is fixedly connected to the side of the support frame 1, and one end of the fixing plate 41 away from the support frame 1 is fixedly connected to a positioning plate 42, a cylinder 2 43 is installed on the positioning plate 42, and a moving block 1 44 is connected to the output shaft of the cylinder 2 43, and a docking joint 1 441 is provided on the moving block 1 44, and the joint on the spinneret 2 can be automatically connected or separated through the plug-in component 4.

[0026] A hinged end is provided on the butt joint 441, a rotating plate 45 is provided on the hinged end, the hinged end is hinged to one end of the rotating plate 45, a pushing block 47 is provided at one end of the rotating plate 45 away from the butt joint 441, the pushing block 47 is rotatably connected to the rotating plate 45, a push end 471 is provided at the end of the pushing block 47, a moving groove is provided on the positioning plate 42, a moving plate 34 is provided in the moving groove, the moving plate 34 is movably connected to the push end 471 on the pushing block 47, a displacement rod 49 is provided on the displacement rod 49, a connecting rod 410 is provided on the connecting rod 410 A limiting ring 411 is provided on the top, a moving rod 1 412 is provided in the limiting ring 411, a moving rod 2 413 is provided at the lower end of the moving rod 1 412, a connecting rod 2 414 is provided at one end of the moving rod 2 413 away from the moving rod 1 412, a connecting plate 415 is provided on the connecting rod 2 414, a moving block 2 416 is provided on the connecting plate 415, a docking joint 2 417 is provided on the moving block 2 416, and the moving rod 1 412 is movably provided in the limiting ring 411, so that the moving rod 1 412 can move up and down when moving.

[0027] It should be noted that two joints are provided on the spinneret 2, and the two joints are respectively located above and on the side of the spinneret 2. The butt joint 1 441 and the butt joint 2 417 are respectively connected to the pipeline on the preparation equipment. The two joints are respectively connected to the pipeline on the preparation equipment through the butt joint 1 441 and the butt joint 2 417. Sealing rings are provided inside the butt joint 1 441 and the butt joint 2 417, so that the butt joint 1 441 and the butt joint 2 417 can better seal and dock the two joints on the spinneret 2.

[0028] A movable hole 421 is provided on the positioning plate 42, and a limit block 46 is movably provided in the movable hole 421. One end of the limit block 46 is rotatably connected to the rotating plate 45. The rotational connection between the limit block 46 and the rotating plate 45 enables the rotating plate 45 to rotate with the connection point as the rotating point when rotating. The limit block 46 is polygonal when in use, and the limit block 46 can only move horizontally linearly through the movable hole 421.

[0029] It should be supplemented that a movable hole 481 is provided on the displacement plate 48, the push end 471 on the push block 47 is located in the movable hole 481, a support end 422 is provided on the inner side of the positioning plate 42, a displacement hole 423 is provided on the support end 422, and the displacement rod 49 is movable in the displacement hole 423. Through the support end 422, the displacement plate 48 and the displacement rod 49 can move stably when moving.

[0030] Among them, an extension end 424 is provided on the positioning plate 42, and a guide hole 425 is provided on the extension end 424. The guide hole 425 includes a horizontal end and an inclined end connected to the horizontal end. The end of the connecting rod 414 is movably located in the guide hole 425. The connecting rod 414 moves horizontally at the horizontal end when moving. When moving to the inclined end, the connecting rod 414 will be driven to move upward, so that the lower docking joint 417 moves upward after the joint is separated on the spinneret 2, so that the docking joint 417 will not affect the rotation of the switching plate 31 when the switching plate 31 rotates.

[0031] When the present invention is in use, two pipes connected to the spinneret 2 on the preparation equipment are used to transport the casting liquid and the core liquid into the connected spinneret 2 respectively. When the spinneret 2 is blocked, which affects the ejected hollow fiber filaments, the cylinder 2 43 is started, and the output shaft of the cylinder 2 43 moves upward and retracts. When the output shaft of the cylinder 2 43 moves, it drives the moving block 1 44 to move upward. When the moving block 1 44 moves upward, it drives one end of the rotating plate 45 hinged thereto to rotate upward. The rotating plate 45 rotates with the point connected to the limit block 46 as the turning point. When the rotating plate 45 rotates, it also pushes the limit block 46 to move. When the limit block 46 moves and the rotating plate 45 rotates , the rotating plate 45 rotates downward at one end away from the moving block 1 44, and pushes the displacement plate 48 to move toward the displacement rod 49 through the pushing block 47, and then pushes the displacement rod 49 to move, the displacement rod 49 connecting rod 1 410 drives the limiting ring 411 to move, the limiting ring 411 drives the moving rod 1 412 to move, the connecting rod 1 410 drives the connecting rod 2 414 to move through the connecting rod 2 414, and the connecting rod 2 414 drives the moving block 2 416 to move through the connecting plate 415 when moving, and the moving block 1 44 and the moving block 2 416 respectively drive the butt joint 1 441 and the butt joint 2 417 to move when moving, so that the butt joint 1 441 and the butt joint 2 417 are separated from the connecting joint on the spinneret 2; The motor 32 is started, and the output shaft of the motor 32 drives the switching plate 31 to rotate. When the switching plate 31 rotates, it drives the two moving plates 34 to rotate together, so that the spinnerets 2 on the two moving plates 34 are switched, and the blocked spinneret 2 rotates to the bottom of the ultrasonic cleaning machine 6, and the other good spinneret 2 rotates to the position of the plug-in piece 4, and then the cylinder 2 43 is started, and its output shaft moves downward and drives the moving block 1 44 to move downward, and the plug-in piece 4 operates as a whole, so that the docking joint 1 441 and the docking joint 2 417 are reset to dock with the replaced spinneret 2 joint, and the replacement of the spinneret 2 is completed; The cylinder 33 is started, and the output shaft of the cylinder 33 extends out, driving the movable plate 34 to move downward through the connecting end 341, and the movable plate 34 drives the spinneret 2 installed thereon to move downward, so that the spinneret 2 moves to the ultrasonic cleaning machine 6 below. There is a cleaning liquid in the ultrasonic cleaning machine 6, and the spinneret 2 will be immersed in the cleaning liquid. Then the ultrasonic cleaning machine 6 is started, and the spinneret 2 can be ultrasonically cleaned, so that the impurities that cause blockage in the spinneret 2 can be cleaned out, and the spinneret 2 is automatically cleaned.

[0032] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functions and structural principles of the present invention have been demonstrated and explained in the embodiments, and the embodiments of the present invention may be deformed or modified in any way without departing from the principles.

Claims

1. A hollow fiber preparation device, characterized in that: It comprises a preparation device and a support frame (1); The support frame (1) is provided with a switching member (3), two spinnerets (2) are mounted on the switching member (3), and the switching member (3) includes a motor (32) for driving the switching member to rotate; The pipeline on the preparation device is connected to one of the spinnerets (2); a plug-in component (4) is provided on the support frame (1); the pipeline on the preparation device is connected to the plug-in component (4); and the plug-in component (4) is used to connect and separate the pipeline on the preparation device and the spinneret (2).

2. A hollow fiber preparation device according to claim 1, characterized in that: The plug-in component (4) is located on one side of one of the spinnerets (2), an ultrasonic cleaning machine (6) is provided below the support frame (1), and the ultrasonic cleaning machine (6) is provided below another spinneret (2) away from the plug-in component (4).

3. A hollow fiber preparation device according to claim 2, characterized in that: The switching plate (31) is provided with two through holes (311), and a movable plate (34) is provided in each of the two through holes (311). The switching plate (31) is provided with a plurality of cylinders (33), and the plurality of cylinders (33) are respectively arranged at the positions of the two through holes (311). The movable plate (34) is provided with a connecting end (341), and the connecting end (341) is connected to an output shaft of the cylinder (33). The movable plate (34) is provided with a mounting slot hole, and the spinneret (2) is mounted in the mounting slot hole.

4. A hollow fiber preparation device according to claim 3, characterized in that: The motor (32) is mounted on the support frame (1), and an output shaft of the motor (32) passes through the support frame (1) and is connected to the switching plate (31).

5. A hollow fiber preparation device according to claim 4, characterized in that: The plug-in component (4) comprises a fixing plate (41), one end of the fixing plate (41) is fixedly connected to the side of the support frame (1), one end of the fixing plate (41) away from the support frame (1) is fixedly connected to a positioning plate (42), a second cylinder (43) is mounted on the positioning plate (42), a moving block (44) is connected to the output shaft of the second cylinder (43), and a butt joint (441) is provided on the moving block (44).

6. A hollow fiber preparation device according to claim 5, characterized in that: The butt joint (441) is provided with a hinged end, a rotating plate (45) is provided on the hinged end, the hinged end is hinged to one end of the rotating plate (45), a pushing block (47) is provided at one end of the rotating plate (45) away from the butt joint (441), the pushing block (47) is rotatably connected to the rotating plate (45), a push end (471) is provided at the end of the pushing block (47), a moving groove is provided on the positioning plate (42), a moving plate (34) is provided in the moving groove, the moving plate (34) is movably connected to the push end (471) on the pushing block (47), a displacement rod (49) is provided on the pushing plate, and the positioning plate (42) is provided with a movable groove. A connecting rod 1 (410) is provided on the moving rod (49), a limiting ring (411) is provided on the connecting rod 1 (410), a moving rod 1 (412) is provided in the limiting ring (411), a moving rod 2 (413) is provided at the lower end of the moving rod 1 (412), a connecting rod 2 (414) is provided at one end of the moving rod 2 (413) away from the moving rod 1 (412), a connecting plate (415) is provided on the connecting rod 2 (414), a moving block 2 (416) is provided on the connecting plate (415), and a butt joint 2 (417) is provided on the moving block 2 (416).

7. A hollow fiber preparation device according to claim 6, characterized in that: The spinneret (2) is provided with two joints, which are respectively located above and on the side of the spinneret (2); the butt joint 1 (441) and the butt joint 2 (417) are respectively connected to the pipeline on the preparation equipment; the two joints are respectively connected to the pipeline on the preparation equipment through the butt joint 1 (441) and the butt joint 2 (417).

8. The hollow fiber preparation device according to claim 7, characterized in that: The positioning plate (42) is provided with a movable hole 1 (421), a limit block (46) is movably provided in the movable hole 1 (421), and one end of the limit block (46) is rotatably connected to the rotating plate (45).

9. A hollow fiber preparation device according to claim 8, characterized in that: The displacement plate (48) is provided with a second movable hole (481), the pushing end (471) on the pushing block (47) is located in the second movable hole (481), the inner side of the positioning plate (42) is provided with a support end (422), the support end (422) is provided with a displacement hole (423), and the displacement rod (49) is movably located in the displacement hole (423).

10. The hollow fiber preparation device according to claim 9, characterized in that: The positioning plate (42) is provided with an extension end (424), the extension end (424) is provided with a guide hole (425), the guide hole (425) comprises a horizontal end and an inclined end connected to the horizontal end, and the second end portion (414) of the connecting rod is movably located in the guide hole (425).