Acrylic filament spinning head rotating device

Abstract

The invention relates to an acrylic filament spinning head rotating device, and relates to the technical field of spinning equipment. A rotating sleeve is integrally connected to the end, away from the nozzle section, of the Z-shaped communicating pipe section, and the rotating sleeve is installed on a fixedly-arranged reversing sleeve in a fixed-axis rotating mode. The two ends of the reversing sleeve are communicated with the glue pumping pipeline and the cleaning pipeline through formed threads respectively, when the spinning spray head is turned upwards by 270 degrees, a reversing communication opening of the rotating sleeve is communicated with a communication hole of the cleaning channel, and at the moment, the spray head section is located at a downward cleaning position; and a nozzle cleaning mechanism. According to the spinning nozzle, a hose is not needed, so that the problem of damage and leakage caused in the frequent bending process of the spinning nozzle is solved, the spinning nozzle is automatically matched with a corresponding channel when rotating to a corresponding station, and the working efficiency is improved. And the interior of the pipeline and the nozzle section of the spinning nozzle can be cleaned by pumping a cleaning medium into the interior, so that the workload of manual cleaning is greatly reduced.

Description

Technical Field

[0001] This invention relates to the field of spinning equipment technology, specifically to a rotating device for spinning heads of acrylic filaments. Background Technology

[0002] Wet spinning of acrylic fibers involves dissolving polyacrylonitrile or its copolymers in a solvent (such as dimethylformamide, sodium thiocyanate aqueous solution, etc.) to form a spinning solution. This solution is then extruded through the fine orifices of a spinneret and injected directly into a coagulation bath composed of the solvent and a precipitant. The fine stream of solution precipitates solids through a double diffusion process within the coagulation bath, and subsequent processes such as stretching, washing, oiling, and drying form fibers. Acrylic fibers produced using this technology exhibit excellent bulkiness, softness, warmth retention, outstanding light and weather resistance, and good dyeing properties. It is the primary process for producing acrylic tops, bulky yarns, and various wool-like fabrics. Among existing technologies, wet spinning is the most mature and widely used core technology for the industrial production of acrylic fibers. Despite ongoing pressure to optimize production efficiency, solvent recovery, and environmental protection, it remains dominant in the production of high-quality, multi-variety acrylic fibers.

[0003] A wet spinning device, disclosed in the prior art with the publication number "CN222499487U", relates to the field of spinning equipment. It includes a coagulation bath for accommodating spinning movement, a spinning nozzle facing the inside of the coagulation bath, and a first traction roller group located outside the coagulation bath. The coagulation bath is provided with a first guide structure and a second guide structure, which are respectively located near the spinning nozzle and the first traction roller group. The first guide structure in this invention effectively prevents filaments from accumulating or gathering below the spinning nozzle, thus not affecting the continuous ejection of subsequent filaments. The second guide structure allows the spinning path formed inside the coagulation bath to smoothly tilt upwards, maintaining the continuity of the spinning process and effectively preventing the filaments from accumulating again inside the coagulation bath after passing through the first guide structure. This promotes rapid entry of the filaments into the next process, improving the efficiency of the spinning process.

[0004] However, the aforementioned device still has some obvious drawbacks in its use: the aforementioned device and the spinning nozzles in the prior art are usually connected to the metering pump via a hose. This connection method allows the spinning nozzle to be bent at a small angle to adjust the angle of the spinning nozzle. However, the hose may cause bending damage during the frequent bending of the spinning nozzle, which may lead to leakage of the spinning adhesive. Furthermore, since the spinning nozzle needs to be maintained regularly and inspected during shutdown, the above-mentioned steps in the prior art need to be performed manually, which is not conducive to improving the automation level of the device. Summary of the Invention

[0005] Therefore, it is necessary to provide a rotating device for spinning acrylic filament heads to address the shortcomings of existing technologies.

[0006] To achieve the above objectives, the present invention provides the following technical solution: A rotating device for spinning an acrylic filament spinning head includes: A spinning box, wherein the spinning box is filled with a coagulating liquid for wet spinning of acrylic fibers; A spinning nozzle, comprising a nozzle section and a Z-shaped connecting pipe section connected to the nozzle section, wherein a rotating sleeve is integrally connected to one end of the Z-shaped connecting pipe section away from the nozzle section, and a reversing connection port is provided at the interface between the rotating sleeve and the Z-shaped connecting pipe section, and the rotating sleeve is rotatably mounted on a fixed reversing sleeve. The reversing sleeve has threads at both ends that connect to the glue pumping pipe and the cleaning pipe, respectively. The reversing sleeve has corresponding glue pumping channels and cleaning channels that connect to the glue pumping pipe or the cleaning pipe. The glue pumping channels and cleaning channels are not connected to each other. Each side of the glue pumping channel and the cleaning channel has a connecting hole that alternately cooperates with the Z-shaped connecting pipe section. When the nozzle section is in the spinning position in the spinning box, the reversing connecting port of the rotating sleeve connects to the connecting hole of the glue pumping channel. When the spinning nozzle rotates 270° upward from the spinning position, the reversing connecting port of the rotating sleeve connects to the connecting hole of the cleaning channel. At this time, the nozzle section is in the downward cleaning position. The nozzle cleaning mechanism is located on one side of the spinning box and below the nozzle section in the cleaning position. The nozzle cleaning mechanism cleans and protects the nozzle section in the cleaning position.

[0007] Preferably, the nozzle cleaning mechanism includes a support frame fixedly installed on one side of the spinning box. The support frame has a vertically penetrating cleaning port. The support frame is also equipped with a lifting and lowering mating seat. A cleaning turntable is rotatably installed above the mating seat. The nozzle section of the spinning nozzle is cleaned by rotating the cleaning turntable.

[0008] Preferably, a waterproof adhesive strip is provided on the upper side of the mating seat. When the spinning nozzle is in the cleaning position, the mating seat rises under the push of the lifting mechanism to abut against the nozzle section of the spinning nozzle. At this time, the nozzle section is embedded in the mating seat and abuts against the outer edge of the nozzle section through the waterproof adhesive strip provided on the side of the mating seat, thereby preventing the cleaning medium from leaking from the top of the mating seat.

[0009] Preferably, a sealing flange is also provided on the side where the spinning nozzle and the mating seat are inserted and abutted, and a sealing groove is provided on the mating seat to abut and fit with the sealing flange.

[0010] Preferably, the lifting mechanism that drives the mating seat to move up and down is a pair of electric hydraulic telescopic cylinders. The pair of electric hydraulic telescopic cylinders are symmetrically installed on both sides of the mating seat. The sleeve end of the electric hydraulic telescopic cylinder is fixedly installed on the support frame. The telescopic arm of the electric hydraulic telescopic cylinder is fixedly connected to the mating seat, thereby driving the mating seat to move up and down through the electric hydraulic telescopic cylinder.

[0011] Preferably, a hydrodynamic chamber is also fixedly installed on the mating seat. The hydrodynamic chamber is connected to hollow pipes on both sides. A power impeller is fixedly mounted and rotates inside the hydrodynamic chamber. The upper axis of the power impeller extends outward and protrudes from the hydrodynamic chamber and is fixedly connected to the cleaning turntable. Fluid is introduced into the hydrodynamic chamber through the hollow pipes, thereby driving the power impeller and the cleaning turntable to rotate synchronously. The cleaning brush bristles on the cleaning turntable contact the nozzle section of the spinning nozzle to perform the cleaning operation. The cleaning turntable also has a notch, which allows the cleaning medium to flow downward.

[0012] Preferably, the power impeller is also provided with an airbag cleaning block, which is connected to a hollow pressure channel opened in the shaft of the power impeller. The shaft of the power impeller is located on the side of the hydrodynamic chamber and is also provided with a pressure hole. During the process of fluid entering the hydrodynamic chamber and driving the power impeller to rotate, the fluid also enters the airbag cleaning block through the pressure hole and the hollow pressure channel, thereby causing it to expand upward and contact the nozzle section of the spinning nozzle. Then, the nozzle section is cleaned by the rotation of the cleaning disc.

[0013] Preferably, the hollow pipes connecting the two sides of the hydrodynamic chamber are also connected to the inlet pipes and flexible outlet pipes threaded on both sides of the mating seat, respectively. The end of the flexible outlet pipe away from the mating seat is installed on the cleaning channel side of the reversing sleeve.

[0014] Preferably, a splash-proof rubber sleeve is also provided at the gap between the mating seat and the support frame.

[0015] Preferably, a horn cover is fixedly connected to the lower end of the mating seat, and a waste liquid receiving cylinder is provided below the horn cover.

[0016] Compared with the prior art, the beneficial effects of the present invention are: The spinning nozzle of the present invention is connected by a combination of a rotating sleeve and a reversing sleeve. This connection method does not require the use of a hose, thereby solving the problem of damage and leakage caused by frequent bending of the spinning nozzle. At the same time, through the reversing sleeve with a special tube structure, the spinning nozzle automatically matches the corresponding channel when it rotates to the corresponding station. Then, the reversing sleeve connects different pipes to realize the automatic switching of the spinning nozzle between the spinning and cleaning stations. This invention can also clean the inside of the spinning nozzle and the nozzle section by pumping cleaning medium into the spinning nozzle through a connection between the spinning nozzle and the cleaning channel. For production plants with a large number of spinning nozzles, this greatly reduces the workload of manual cleaning and is especially suitable for use in scenarios such as changing spinning solution and downtime maintenance. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the spinning nozzle of the present invention in the spinning position. Figure 2 This is a schematic diagram of the spinning nozzle of the present invention in the clean position. Figure 3 This is a cross-sectional view of the spinning nozzle of the present invention in the clean position. Figure 4 This is a schematic diagram showing the connection state between the reversing communication port and the communication hole of the pump adhesive channel in this invention; Figure 5 This is a cross-sectional schematic diagram of the spinning nozzle of the present invention in the spinning position; Figure 6 This is a schematic diagram showing the connection state between the reversing connection port and the cleaning channel of the present invention. Figure 7 This is a cross-sectional schematic diagram of the power impeller and its connecting structure of the present invention.

[0018] In the diagram: 1 Spinning box, 2 Spinning nozzle, 3 Nozzle section, 4 Z-shaped connecting pipe section, 5 Rotating sleeve, 6 Reversing connecting port, 7 Reversing sleeve, 8 Pump adhesive channel, 9 Cleaning channel, 10 Connecting hole, 11 Support frame, 12 Mating seat, 13 Cleaning turntable, 14 Waterproof adhesive strip, 15 Sealing flange, 16 Sealing adhesive groove, 17 Electric hydraulic telescopic cylinder, 18 Hydrodynamic chamber, 19 Power impeller, 20 Hollow pipe, 21 Airbag cleaning block, 22 Hollow channel, 23 Pressure hole, 24 Inlet pipe, 25 Flexible outlet pipe, 26 Horn cover, 27 Notch, 28 Waste liquid receiving cylinder. Detailed Implementation

[0019] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0020] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0021] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0022] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0023] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0024] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0025] Please see Figure 1-7 The present invention provides the following technical solution: Example 1: The process of switching from the spinning position to the cleaning position This embodiment describes in detail the entire process of switching the device from normal operation to maintenance and cleaning.

[0026] First, the device is in such a state as Figure 1 and Figure 5 The spinning process is shown in the diagram. The nozzle section 3 of the spinning nozzle 2 is immersed in the coagulation liquid of the spinning box 1. At this time, the Z-shaped connecting pipe section 4 of the spinning nozzle 2 is at a specific angle. The rotating sleeve 5 at its end is precisely connected and communicated with the connecting hole 10 of the pumping channel 8 inside the fixed reversing sleeve 7 through the reversing connecting port 6. At this time, the nozzle section 3 is set perpendicular to the bottom plane of the spinning box 1. The spinning solution is pumped in from the outside through the pumping pipe connected to the metering pump, flows through the pumping channel 8 of the reversing sleeve 7, the reversing connecting port 6 of the rotating sleeve 5, and the Z-shaped connecting pipe section 4 in sequence, and finally sprays out from the fine hole of the nozzle section 3, enters the coagulation liquid to form acrylic yarn. It should be noted that the application is designed for wet spinning of acrylic yarn, but wet spinning technology for other materials can also be performed.

[0027] When cleaning or maintenance is required, the spinning nozzle 2 is rotated 270° upwards around the axis of the rotating sleeve 5. During rotation, the rotating sleeve 5 and the reversing sleeve 7 maintain relative rotation. This process can be performed manually, or a steering mechanism can be installed on the reversing sleeve 7 for automatic steering under electrical drive. When the spinning nozzle 2 rotates to its final position, it is as follows: Figure 2 , Figure 3 and Figure 6In the indicated state, nozzle section 3 is fully rotated out of spinning box 1 and facing downwards. Simultaneously, the reversing connection port 6 on the rotating sleeve 5 also rotates 270°, changing from aligning with the connection hole 10 of the pump adhesive channel 8 to aligning with the connection hole 10 of another independent cleaning channel 9 on the reversing sleeve 7, thus completing the automatic switching of the fluid pathway. To ensure a tight fit of the reversing connection port 6 during rotation, the rotating sleeve 5 and the reversing sleeve 7 in this embodiment are precision machined to ensure a tight fit. Furthermore, a rubber sealing ring capable of compression sealing is provided around the reversing connection port 6 to prevent leakage during the reversing process, thereby ensuring the normal operation of the device.

[0028] At this point, nozzle section 3 is directly above the nozzle cleaning mechanism, in the cleaning position. The support frame 11 of the nozzle cleaning mechanism is fixed to one side of the spinning box 1, with its cleaning port facing nozzle section 3. A pair of electric hydraulic telescopic cylinders 17 mounted on the support frame 11 are activated, and their telescopic arms push the mating seat 12 upwards smoothly. The mating seat 12 rises until its internal sealing groove 16 is tightly pressed against the unique sealing flange 15 at the root of nozzle section 3 of the spinning nozzle 2. At the same time, the waterproof rubber strip 14 on the upper port side of the mating seat 12 is also tightly fitted against the outer edge of the nozzle section 3, forming a sealed cleaning chamber to prevent liquid splashing. The anti-splash rubber sleeve between the mating seat 12 and the support frame 11 further prevents the cleaning fluid from leaking from the side during the lifting and lowering process. At this point, the device has completed the automatic switching from the spinning position to the cleaning position, preparing for subsequent cleaning operations.

[0029] Example 2: Automatic cleaning process at the cleaning station This embodiment continues from Embodiment 1, and explains in detail how the nozzle section 3 is automatically cleaned in the cleaning position.

[0030] Once the spinning nozzle 2 is stably in the cleaning position and the mating seat 12 rises and seals with the nozzle section 3, the cleaning process begins. The external cleaning medium, primarily acid wash solution or cleaning water, is pumped in through the inlet pipe 24. The cleaning medium first enters the hollow pipe 20 on one side of the connected hydrodynamic chamber 18. The hydrodynamic chamber 18 is a sealed cavity, with the rotating shaft of the internal power impeller 19 extending upwards and fixedly connected to the cleaning disc 13. After the cleaning medium flows into the hydrodynamic chamber 18, it impacts the blades of the power impeller 19, driving the impeller 19 to rotate, thereby causing the cleaning disc 13 above to rotate as well. The cleaning disc 13 is equipped with soft cleaning bristles, which directly and physically scrub the downward-facing surface of the nozzle section 3 during its rotation.

[0031] The dynamic circulation path of the cleaning medium is cleverly designed. Part of the medium flowing into the hydrodynamic chamber 18, after driving the impeller, enters the hollow pressure channel 22 inside the impeller shaft from the pressure hole 23 on the shaft of the power impeller 19 located in the hydrodynamic chamber 18 area. The hollow pressure channel 22 extends upwards, communicating with the interior of the airbag cleaning block 21 embedded in the center of the cleaning disc 13. As the pressurized cleaning medium is continuously injected, the airbag cleaning block 21 gradually expands, causing its surface to more tightly adhere to and slightly rub against the end face of the nozzle section 3, thereby enhancing the cleaning effect on the nozzle.

[0032] The fluid continues to flow after completing its driving and cleaning functions, exiting from the hollow pipe 20 on the other side of the hydrodynamic chamber 18. This hollow pipe 20 is connected to a flexible discharge pipe 25, the other end of which is connected to the cleaning channel 9 of the reversing sleeve 7. At this point, since the reversing port 6 of the rotating sleeve 5 is connected to the cleaning channel 9, the cleaning medium flows into the cleaning channel 9 and, through the connecting hole 10 and the reversing port 6, flows in reverse into the interior of the Z-shaped connecting pipe section 4 and the nozzle section 3, thoroughly flushing and unclogging them. Waste liquid carrying contaminants sprayed from the nozzle section 3 drips onto the rotating cleaning disc 13. The notch 27 designed on the cleaning disc 13 ensures that waste liquid does not accumulate and flows smoothly downwards. The waste liquid falls into the lower horn cover 26 and finally flows into the lowest waste liquid receiving cylinder 28 for unified collection and treatment.

[0033] The entire cleaning process achieves a fully automated closed loop, encompassing power supply, external brushing, internal rinsing, and waste liquid recovery, ensuring high efficiency and thorough cleaning. After cleaning, the electric hydraulic telescopic cylinder 17 retracts, the cooperating seat 12 descends to reset, the spinning nozzle 2 rotates 270° to return to the spinning position, and the reversing connection port 6 reconnects with the pump adhesive channel 8, ready for the next spinning operation.

[0034] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A rotating device for spinning an acrylic filament spinning head, characterized in that, include: Spinning box (1), the spinning box (1) is filled with a coagulating liquid for wet spinning of acrylic fibers; Spinning nozzle (2), the spinning nozzle (2) includes nozzle section (3) and Z-shaped connecting pipe section (4) connected to nozzle section (3), the Z-shaped connecting pipe section (4) is integrally connected to a rotating sleeve (5) at the end away from nozzle section (3), a reversing connecting port (6) is opened at the interface position between rotating sleeve (5) and Z-shaped connecting pipe section (4), and rotating sleeve (5) is fixedly mounted on a reversing sleeve (7); The reversing sleeve (7) has two ends connected to the pumping pipe and the cleaning pipe respectively through the threads. The reversing sleeve (7) has a corresponding pumping channel (8) and a cleaning channel (9) connected to the pumping pipe or the cleaning pipe. The pumping channel (8) and the cleaning channel (9) are not connected to each other. The pumping channel (8) and the cleaning channel (9) have a connecting hole (10) on one side that alternately cooperates with the Z-shaped connecting pipe section (4). When the nozzle section (3) is in the spinning position in the spinning box (1), the reversing connecting port (6) of the rotating sleeve (5) is connected to the connecting hole (10) of the pumping channel (8). When the spinning nozzle (2) is rotated 270° upward from the spinning position, the reversing connecting port (6) of the rotating sleeve (5) is connected to the connecting hole (10) of the cleaning channel (9). At this time, the nozzle section (3) is in the downward cleaning position. The nozzle cleaning mechanism is located on one side of the spinning box (1) and below the nozzle section (3) in the cleaning position. The nozzle cleaning mechanism cleans and protects the nozzle section (3) in the cleaning position.

2. The acrylic filament spinning head rotating device according to claim 1, characterized in that: The nozzle cleaning mechanism includes a support frame (11) fixedly installed on one side of the spinning box (1). The support frame (11) has a cleaning port that runs vertically through it. The support frame (11) is also equipped with a lifting seat (12). A cleaning turntable (13) is rotatably installed above the seat (12). The nozzle section (3) of the spinning nozzle (2) is cleaned by rotating the cleaning turntable (13).

3. The acrylic filament spinning head rotating device according to claim 2, characterized in that: The upper side of the mating seat (12) is provided with a waterproof adhesive strip (14). When the spinning nozzle (2) is in the cleaning position, the mating seat (12) is pushed up by the lifting mechanism to abut against the nozzle section (3) of the spinning nozzle (2). At this time, the nozzle section (3) is embedded in the mating seat (12) and abuts against the outer edge of the nozzle section (3) through the waterproof adhesive strip (14) provided on the side of the mating seat (12), thereby preventing the cleaning medium from leaking from the top of the mating seat (12).

4. The acrylic filament spinning head rotating device according to claim 3, characterized in that: The spinning nozzle (2) and the mating seat (12) are connected and abutted on one side, and a sealing flange (15) is also provided on the mating seat (12). A sealing groove (16) is provided on the mating seat (12) to abut and fit with the sealing flange (15).

5. The acrylic filament spinning head rotating device according to claim 4, characterized in that: The lifting mechanism that drives the mating seat (12) to move up and down is a pair of electric hydraulic telescopic cylinders (17). The pair of electric hydraulic telescopic cylinders (17) are symmetrically installed on both sides of the mating seat (12). The sleeve end of the electric hydraulic telescopic cylinder (17) is fixedly installed on the support frame (11). The telescopic arm of the electric hydraulic telescopic cylinder (17) is fixedly connected to the mating seat (12), so that the mating seat (12) is driven to move up and down by the electric hydraulic telescopic cylinder (17).

6. The acrylic filament spinning head rotating device according to claim 5, characterized in that: A hydrodynamic chamber (18) is also fixedly installed on the mating seat (12). The hydrodynamic chamber (18) is connected to the hollow pipe (20) on both sides. A power impeller (19) is fixedly installed in the hydrodynamic chamber (18). The upper rotating shaft of the power impeller (19) extends outward and protrudes from the hydrodynamic chamber (18) and is fixedly connected to the cleaning turntable (13). Fluid is introduced into the hydrodynamic chamber (18) through the hollow pipe (20) to drive the power impeller (19) and the cleaning turntable (13) to rotate synchronously. The cleaning brush bristles set on the cleaning turntable (13) contact the nozzle section (3) of the spinning nozzle (2) to perform the cleaning operation. The cleaning turntable (13) is also provided with a notch (27) so that the cleaning medium flows downward.

7. The acrylic filament spinning head rotating device according to claim 6, characterized in that: The power impeller (19) is also provided with an airbag cleaning block (21). The airbag cleaning block (21) is connected to the hollow pressure channel (22) opened in the shaft of the power impeller (19). The shaft of the power impeller (19) is located on one side of the hydrodynamic chamber (18) and is also provided with a pressure hole (23). During the process of the fluid entering the hydrodynamic chamber (18) and driving the power impeller (19) to rotate, the fluid also enters the airbag cleaning block (21) through the pressure hole (23) and the hollow pressure channel (22), thereby causing it to expand upward and contact the nozzle section (3) of the spinning nozzle (2). Then, the nozzle section (3) is cleaned by the rotation of the cleaning turntable (13).

8. The acrylic filament spinning head rotating device according to claim 7, characterized in that: The hollow pipes (20) connecting the two sides of the hydrodynamic chamber (18) are also connected to the inlet pipe (24) and the flexible outlet pipe (25) threaded on both sides of the mating seat (12), respectively. The flexible outlet pipe (25) is installed on the side of the cleaning channel (9) of the reversing sleeve (7) away from the mating seat (12).

9. The acrylic filament spinning head rotating device according to any one of claims 8, characterized in that: A splash-proof rubber sleeve is also fitted at the gap between the mating seat (12) and the support frame (11).

10. The acrylic filament spinning head rotating device according to claim 9, characterized in that: The lower end of the mating seat (12) is also fixedly connected to a horn cover (26), and a waste liquid receiving cylinder (28) is also provided below the horn cover (26).

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