Spinning device and spinning method for preparing full-polyester mildew-proof antibacterial single-prevention and single-absorption fabric

Abstract

The invention discloses a spinning device and a spinning method for preparing a full-polyester mildew-proof antibacterial single-prevention and single-suction fabric, and relates to the technical field of polyester spinning, the spinning device comprises an extruder and a spinning nozzle installed at the discharge port end of the extruder, and a blockage clearing mechanism used for clearing blockage of a pore channel of the spinning nozzle is arranged at the end, provided with the spinning nozzle, of the extruder. The blockage clearing mechanism is set to be puncture blockage clearing, the blockage clearing mechanism comprises a linear sliding rail module and a puncture needle assembly, the puncture needle assembly has a heating function, and the puncture needle assembly is set to be in a two-stage puncture mode that normal-temperature puncture is conducted firstly and then heating puncture is conducted. The problems that in the prior art, in the spinning process, a spinning nozzle is blocked, and the production efficiency can be affected by long-time blockage clearing operation are solved. The device has the advantages that in the spinning process, after the spinning nozzle is blocked, the spraying hole is urgently subjected to blockage clearing operation through a puncture blockage clearing method, and production is rapidly recovered.

Description

Technical Field

[0001] The invention relates to the technical field of polyester spinning, in particular to a spinning device and a spinning method for preparing all-polyester mildew-proof and antibacterial single-proof and single-absorbent fabrics. Background Art

[0002] Polyester is a fiber-forming polymer made from purified terephthalic acid or dimethyl terephthalate and ethylene glycol through esterification or ester exchange and condensation reaction. The fiber made by spinning and post-treatment has the biggest advantage of good wrinkle resistance and shape retention. During the preparation process, the raw materials are mixed in a certain proportion, and a catalyst and a stabilizer are added to carry out a polymerization reaction. The reaction is carried out under high temperature and high pressure conditions to produce polyethylene terephthalate. The melt obtained by the polymerization is heated and melted, and then ejected into filaments through a spinneret to form a thin stream, which is then cooled and solidified to form primary fibers.

[0003] In the prior art, during the spinning process, clogging of the spinning nozzle is a common problem in production, which directly affects the fiber quality and production efficiency. Especially when the production task is heavy, long-term clearing operation will affect the production efficiency. Therefore, it is necessary to urgently clear the nozzle orifice and quickly resume production to avoid affecting production efficiency.

[0004] In view of the above technical problems, the present invention discloses a spinning device and a spinning method for preparing an all-polyester mildew-proof and antibacterial single-proof and single-absorbent fabric. The present invention has the advantages that when the spinneret is blocked during the spinning process, the nozzle can be urgently cleared to quickly resume production. Summary of the invention

[0005] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a spinning device and a spinning method for the preparation of a full polyester mildew-proof and antibacterial single-proof and single-absorbent fabric, so as to solve the technical problems in the prior art that the spinning nozzle is blocked during the spinning process, and the long-term clearing operation will affect the production efficiency. The present invention has the advantages of emergency clearing of the nozzle through puncture clearing method after the spinneret is blocked during the spinning process, and quickly resuming production.

[0006] The present invention is realized by the following technical scheme: The present invention discloses a spinning device for preparing all-polyester mildew-proof and antibacterial single-proof and single-absorbent fabrics, comprising an extruder and a spinneret installed at the discharge port end of the extruder, and a clearing mechanism for clearing the spinneret channel is arranged at one end of the extruder provided with the spinneret, and the clearing mechanism is arranged to clear the blockage by puncture; The clearing mechanism includes a linear slide module and a puncture needle assembly. The linear slide module is configured as a screw module and is driven by a drive motor. The puncture needle assembly is horizontally moved by the linear slide module to puncture and clear the spinneret hole. The puncture needle assembly has a heating function. The puncture needle assembly is heated during puncture and clearing to soften the polymer in the hole. The puncture needle assembly is set to a two-stage puncture mode of first puncturing at room temperature and then puncturing with heating.

[0007] Furthermore, the puncture needle assembly includes a barrel, a needle body, a heating wire and a pressure sensor. The barrel is installed on a linear slide rail module and moves horizontally therethrough. The needle body is axially slidably inserted into the barrel wall on one side of the barrel, and the puncture end of the needle body is located outside the barrel. A heating wire is integrated inside the needle body, and the heating wire is electrically heated by an electric heater. A pressure sensor is installed at one end of the barrel. The end of the needle body located inside the barrel contacts the sensing surface of the pressure sensor to transmit the resistance encountered by the needle body during puncture. The start of the electric heater is triggered by the pressure data monitored by the pressure sensor. When the resistance encountered by the needle body during puncture suddenly changes, the electric heater starts to heat the heating wire.

[0008] Furthermore, the sliding connection between the needle body and the side wall of the cylinder is limited by a limit plate, and the needle body is set to be tungsten steel material, the material of the heating wire is set to be nickel-chromium alloy, and the heating wire is wound around the inner cavity wall of the needle body in a spiral trajectory, and a K-type thermocouple is arranged behind the needle tip of the needle body for real-time feedback of the heating zone temperature.

[0009] Furthermore, a spiral guide groove is opened on the outer wall of the needle body, and the spiral guide groove on the outer wall of the needle body is configured as an inwardly concave spiral structure arranged along the axial direction of the needle body. The cylinder and the linear slide rail module are arranged to be rotationally connected, and the cylinder is rotationally driven by a driving motor.

[0010] Furthermore, a base frame is provided below the linear slide module for supporting it. The linear slide module includes a base, a slide rail group, a movable seat, a horizontal screw rod and a driving motor. The base is liftably arranged above the base frame by a lifting assembly. The movable seat is slidably connected to the base through the slide rail group. A connecting plate is fixedly provided above the movable seat. The cylinder is rotatably connected to the connecting plate. A horizontal screw rod is rotatably provided above the base through a bearing seat. The rotation of the horizontal screw rod is driven by the driving motor. The movable seat is threadedly connected to the horizontal screw rod.

[0011] Furthermore, the lifting assembly includes a bottom plate, a top plate, a support rod, a longitudinal screw rod, a lifting plate, a top rod and a driving unit. The bottom plate is fixedly arranged above the base frame, a top plate is arranged above the bottom plate, and support rods are fixedly arranged at the four corners between the bottom plate and the top plate, respectively. A longitudinal screw rod is also rotatably arranged between the bottom plate and the top plate, a lifting plate is arranged between the top plate and the bottom plate, and the lifting plate is threadedly connected to the longitudinal screw rod, a top rod is fixedly arranged above the lifting plate, the top end of the top rod slides through the top plate and its top end is fixedly connected to the base, and the longitudinal screw rod is electrically driven by the driving unit.

[0012] Furthermore, the lifting stroke of the lifting plate is monitored and controlled by a sensor group.

[0013] Furthermore, the drive unit motor, the drive motor, the electric heater, the drive motor and the sensor group are all electrically connected to the main controller.

[0014] The spinning method of a spinning device for preparing a full polyester mildew-proof and antibacterial single-proof and single-absorbent fabric comprises the following steps: Step 1: First, the solid prepolymer is heated to a molten state through an extruder, and a uniform melt flow is formed through screw extrusion, and then a fiber is formed through a spinneret at one end; Step 2: When the spinneret is clogged, the hole is cleared by the clearing mechanism at the end of the spinneret. First, the base is raised by the lifting assembly and the needle body of the puncture needle assembly is raised to the same level as the hole of the spinneret through the monitoring of the sensor group; Step 3: Then start the driving motor, and use the linear slide rail module to drive the moving seat to drive the needle body into the spinneret hole to puncture and clear the spinneret hole. At the same time, start the driving motor to rotate the barrel, so that the needle body rotates. After the needle body enters the hole, it can keep rotating while moving axially, so that the spiral guide groove on the outer wall of the needle body forms a continuous scraping path during rotation, and the adhesion interface between the carbide and the hole wall is destroyed by the normal force; Step 4: During puncture, after the needle body is inserted into the spinneret hole, when the needle body is blocked by a blockage inside the spinneret hole, one end of the needle body will directly contact the pressure sensor, and the pressure sensor will monitor the pressure on the needle body. When the pressure sensed by the pressure sensor reaches the set value, the pressure data monitored by the pressure sensor will be transmitted to the main controller, and the main controller will control the electric heater to heat the heating wire, and then heat the needle body through the heating wire, so that the needle body heats up to soften the blockage inside the spinneret hole, thereby improving the penetration efficiency of the needle tip and improving the clearing effect.

[0015] The present invention has the following advantages: (1) The present invention provides a puncture needle assembly, so that when the spinneret of the spinning extruder is blocked, the spinneret hole can be punctured and cleared by the puncture needle assembly, thereby improving the clearing speed and quickly resuming production. In addition, by providing a linear slide rail module, when clearing the blockage by the puncture needle assembly, the linear slide rail module can be controlled to make the puncture needle assembly more stable during transverse movement and have higher movement accuracy, thereby improving the clearing effect.

[0016] (2) The present invention integrates a heating wire inside the needle body, heats the needle body through the heating wire, and then softens the blockage inside the channel through the high-temperature needle body, thereby improving the penetration of the needle tip, and monitors the resistance encountered by the needle body during puncture through a pressure sensor, so that during actual puncture, puncture can be performed in a normal temperature and then heated mode, thereby improving the puncture effect and reducing the cost of use. When puncturing and clearing blockages, puncture is first performed at normal temperature. For minor blockages, the normal temperature puncture needle penetrates through the blockage to clear the blockage. When encountering a more stubborn blockage, when the resistance encountered by the needle body during puncture is large, the heating wire heats the needle body, and then the high-temperature needle body softens the blockage, thereby improving the clearing effect.

[0017] (3) The present invention provides a spiral guide groove on the outer wall of the needle body, and during the puncture process, the needle body can be rotated by driving a motor. During the puncture process, the spiral guide groove on the outer wall of the needle body forms a continuous scraping path when rotating, and the adhesion interface between the carbide and the hole wall is destroyed by the normal force. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the structure of the blockage clearing mechanism of the present invention; Figure 3 For the present invention Figure 2 A local enlarged structural schematic diagram; Figure 4 It is a schematic diagram of the internal structure of the cylinder of the present invention; Figure 5 It is a schematic diagram of the internal structure of the needle body of the present invention.

[0019] In the figure: 1. mounting table; 2. extruder; 3. spinneret; 4. clearing mechanism; 5. base frame; 6. lifting assembly; 7. sensor group; 8. main controller; 9. connecting plate; 10. limit plate; 11. hollow channel; 12. pressing sleeve; 13. limit rod; 14. electric heater; 15. spiral guide groove; 16. connecting shaft; 17. driving motor; 401. linear slide rail module; 402. puncture needle assembly; 411. base; 412. slide rail group; 413. moving seat; 414. horizontal screw rod; 415. driving motor; 601. bottom plate; 602. top plate; 603. support rod; 604. longitudinal screw rod; 605. lifting plate; 606. ejector rod; 607. driving part; 421. cylinder; 422. needle body; 423. heating wire; 424. pressure sensor. DETAILED DESCRIPTION

[0020] The following is a detailed description of an embodiment of the present invention. This embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation method and a specific operation process are given. However, the protection scope of the present invention is not limited to the following embodiments. In the description of the present invention, words indicating directions or positional relationships such as "front", "rear", "left", and "right" are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0021] The embodiment discloses a spinning device for preparing a polyester anti-mildew and anti-bacterial single-proof and single-absorbent fabric, such as Figure 1-Figure 5 As shown, it includes a mounting table 1 and an extruder 2 mounted on a base frame 5, the extruder 2 is used to heat the solid prepolymer to a molten state, and form a uniform melt flow through screw extrusion, and the discharge port of the extruder 2 is equipped with a spinneret 3, through which the melt flow is formed into fibers for spinning. In actual work, the blockage of the spinneret 3 of the extruder 2 is a common problem in melt spinning production, which may cause broken fibers, uneven fiber diameters and even equipment shutdown. Therefore, when blockage occurs, the spinneret 3 needs to be cleared.

[0022] In this embodiment, in order to urgently clear the spinneret 3 when it is blocked, a puncture needle is provided to clear the spinneret 3, so that the clearing work is faster and production can be quickly resumed.

[0023] Specifically, Figure 1-Figure 3 As shown, a clearing mechanism 4 is provided at one end of the extruder 2 where the spinneret 3 is provided, and the clearing mechanism 4 is configured to clear the blockage by a puncture needle. In addition, in order to improve the clearing effect, the puncture needle needs to be inserted into the spinneret hole in a straight line and smoothly to avoid the puncture needle tilting and contacting the hole wall to damage the hole. Therefore, in this embodiment, the insertion of the puncture needle is set to electric control to avoid damage to the hole by manual puncture and clearing.

[0024] The clearing mechanism 4 includes a linear slide rail module 401 and a puncture needle assembly 402, wherein a base frame 5 is also provided, and the linear slide rail module 401 is arranged above the base frame 5, and the linear slide rail module 401 is supported by the base frame 5, and the linear slide rail module 401 is arranged to be screw-transmitted and electrically driven, and the puncture needle assembly 402 is horizontally moved by the linear slide rail module 401, and then the puncture needle assembly 402 is moved by electric control to puncture and clear the spinneret, so that the puncture needle assembly 402 can be smoothly inserted into the spinneret, avoiding the puncture needle assembly 402 from being unable to ensure linear lateral movement or shaking due to manual control, thereby damaging the channel.

[0025] Specifically, Figure 2-Figure 3As shown, the linear slide rail module 401 includes a base 411, a slide rail group 412, a movable seat 413, a horizontal screw rod 414 and a drive motor 415, wherein the base 411 is arranged above the bottom frame 5, and the slide rail group 412 is fixedly arranged above the base 411, and the slide rail group 412 includes a track and a sliding sleeve, and there are two tracks, and the two tracks are respectively fixed at the front end and the rear end above the base 411, and the sliding sleeve is slidably arranged above the track, and a movable seat 413 is also arranged above the base 411, and the movable seat 413 is located above the sliding sleeve and is fixedly connected to the sliding sleeve, and the puncture needle assembly 402 is arranged above the movable seat 413 through the connecting plate 9 The connecting plate 9 is specifically configured to be L-shaped, and a horizontal screw rod 414 is also provided above the base 411. Bearing seats are fixedly installed on both sides above the base 411, and the two ends of the horizontal screw rod 414 are respectively connected to the bearing seats, so that the horizontal screw rod 414 is rotatably arranged above the base 411, and the rotation of the horizontal screw rod 414 is driven by a driving motor 415. The driving motor 415 is installed on one side above the base 411, and the output shaft of the driving motor 415 is transmission-connected to one end of the horizontal screw rod 414, and the puncture needle assembly 402 is installed above the moving seat 413, and a connecting block is fixedly provided below the moving seat 413, and the connecting block is threadedly connected to the screw rod.

[0026] Therefore, through the above-mentioned arrangement, when the spinneret hole of the spinneret 3 is clogged, the drive motor 415 can be controlled so that the drive motor 415 controls the rotation of the horizontal screw rod 414, and then the movable seat 413 is horizontally moved through the thread transmission, so that the movable seat 413 drives the puncture needle assembly 402 to be inserted into the spinneret hole and then puncture and clear the spinneret hole.

[0027] Considering that the puncture needle assembly 402 needs to be aligned with the spinneret hole of the spinneret 3 when clearing the blockage, and then when the puncture needle assembly 402 moves horizontally, the puncture needle assembly 402 can be directly inserted into the spinneret hole for puncture and clearing the blockage, and the puncture needle assembly 402 is located on one side of the spinneret hole, which will affect the spinning work. Therefore, in this embodiment, a lifting assembly 6 is provided below the base 411, and the lifting assembly 6 allows the base 411 to be lifted and lowered. Then, when the spinning work is in progress, the lifting assembly 6 can control the base 411 to descend, so that the puncture needle assembly 402 can descend to the bottom of the spinneret hole, thereby preventing the puncture needle assembly 402 from affecting the spinning work.

[0028] It should be noted that the lifting assembly 6 and the linear slide rail module 401 are also configured to perform linear motion through the transmission of a screw rod, so that the lateral movement and lifting accuracy of the puncture needle assembly 402 is higher.

[0029] Further, such as Figure 1-Figure 3As shown, the lifting assembly 6 includes a bottom plate 601, a top plate 602, a support rod 603, a longitudinal screw rod 604, a lifting plate 605, a top rod 606 and a driving part 607, wherein the bottom plate 601 is fixedly arranged above the base frame 5, and a top plate 602 is arranged above the bottom plate 601, and a support rod 603 is fixedly arranged between the bottom plate 601 and the top plate 602, and four support rods 603 are arranged, and the four support rods 603 are supported between the bottom plate 601 and the top plate 602, and a longitudinal screw rod 604 is rotatably arranged between the bottom plate 601 and the top plate 602, and the two ends of the longitudinal screw rod 604 are rotatably connected to the bottom plate 601 and the top plate 602 respectively through bearings, and the top plate 602 and the bottom plate 60 1, and the longitudinal screw rod 604 passes through the lifting plate 605 and is threadedly connected to each other. A top rod 606 is fixedly arranged above the lifting plate 605, and at least two top rods 606 are arranged. In this embodiment, four top rods 606 are arranged, and the top rods 606 are respectively located at the four corners above the lifting plate 605. The top end of the top rod 606 slides through the top plate 602 and extends to the top of the top plate 602, and the end of the top rod 606 located above the top plate 602 is fixedly connected to the base 411. In addition, the bottom end of the longitudinal screw rod 604 passes through the top bearing plate of the bottom frame 5, and a driving part 607 is installed at the top bearing plate of the bottom frame 5 to drive the longitudinal screw rod 604 to rotate.

[0030] The driving part 607 is also configured to be driven by a motor, and the output end of the motor is connected to the longitudinal screw rod 604 through a transmission member. It should be noted that a sensor group 7 is installed on a support rod 603 above the bottom plate 601, and the lifting height of the lifting plate 605 is monitored by the sensor group 7. When it rises to the required height, the lifting plate 605 stops rising through the induction of the sensor group 7. In other words, when the lifting plate 605 drives the base 411 to rise, the puncture needle assembly 402 rises synchronously to the same horizontal line as the spinneret, and the sensor group 7 can sense and stop the driving part 607, thereby stopping the lifting plate 605 from rising, so that the puncture needle assembly 402 maintains its height. Correspondingly, the sensor group 7 can also control the descending height of the lifting plate 605, so that when the lifting plate 605 descends, when the puncture needle assembly 402 descends to the bottom of the spinneret and away from the spinneret, the sensor group 7 senses and stops the lifting plate 605 from descending.

[0031] Specifically, the sensor group 7 can be configured as a proximity sensor, and two proximity sensors are respectively configured.

[0032] In addition, a main controller 8 is provided. The main controller 8 is a programmable logic controller, and a control box of the main controller 8 is installed on the base frame 5. The main controller 8 is configured to be connected to the motor of the driving unit 607, the driving motor 415 and the sensor group 7 respectively, so as to realize more automated operation.

[0033] In actual operation, when the puncture needle punctures and clears the nozzle hole, the puncture needle can only clear slight blockages. When dealing with some more stubborn blockages, the puncture needle will not be able to penetrate, and applying too much pressure will cause the puncture needle assembly 402 to break. In order to further improve the clearing effect of the puncture needle assembly 402, in this embodiment, the puncture needle assembly 402 is configured to have a heating function, and then when dealing with some more stubborn blockages, the puncture needle assembly 402 can be heated. The high-temperature puncture needle assembly 402 softens the polymer in the hole, thereby improving the needle tip penetration efficiency, reducing the risk of mechanical damage, and improving the clearing effect.

[0034] Furthermore, a single heated puncture needle assembly 402 will result in a high cost for clearing the blockage. When dealing with a minor blockage, heating the puncture needle assembly 402 will result in a waste of energy, and thus multi-stage clearing of the blockage will be required. In this embodiment, the puncture of the puncture needle assembly 402 is set to a normal temperature followed by a heating mode. After the puncture needle assembly 402 penetrates into the spinneret hole, when the normal temperature puncture encounters a sudden change in resistance, the puncture needle assembly 402 begins to heat, and local heating is used to soften the polymer or decompose the tar-like substance to perform high-temperature puncture and clear the blockage, thereby reducing the cost of use.

[0035] Specifically, Figure 3-Figure 5 As shown, the puncture needle assembly 402 includes a barrel 421, a needle 422, a heating wire 423 and a pressure sensor 424, wherein the barrel 421 is configured as a cylindrical barrel 421, and one end of the barrel 421 is connected to the side plate of the connecting plate 9, and the needle 422 is inserted into the barrel wall of one side of the barrel 421, and the needle 422 and the barrel wall are configured to be slidably inserted, and the two ends of the needle 422 are respectively located outside and inside the barrel 421, and the puncture end of the needle 422 is located outside the barrel 421, and the needle 422 is located inside the barrel 4 The two outer walls of the outer and inner sections of 21 are respectively fixedly sleeved with the limiting plates 10, and the movable insertion of the needle body 422 is limited by the two limiting plates 10. In addition, a hollow channel 11 is opened axially inside the needle body 422, and a heating wire 423 is arranged in the hollow channel 11 inside the needle body 422. The heating wire 423 is wound around the inner cavity wall in a spiral track, and the heating wire 423 section is covered and arranged on a section of the needle body 422 located outside the cylinder 421, and the heating wire 423 is used to heat the needle body 422; In order to realize the puncture mode of first normal temperature and then heating, a pressure sensor 424 is installed at one end of the cylinder 421, and the needle body 422 is located at one end inside the cylinder 421 and contacts the sensing surface of the pressure sensor 424 through the pressure sleeve 12, so that the pressure felt by the needle body 422 can be transmitted to the pressure sensor 424, so that when the needle body 422 encounters resistance, it can be triggered to heat the needle body 422, and then puncture and clear the blockage through the high-temperature needle body 422.

[0036] More specifically, one end of the needle body 422 is located inside the cylinder 421 away from the pressure sensor 424 , and the outer wall of the needle body 422 at one end inside the cylinder 421 is fixedly sleeved with a pressing sleeve 12 , and one end of the pressing sleeve 12 contacts the sensing surface of the pressure sensor 424 .

[0037] Through the above-mentioned arrangement, when puncturing, after the needle body 422 is inserted into the spinneret hole, when the needle body 422 is blocked by a blockage inside the spinneret hole, since the needle body 422 and the barrel wall are movably plugged together, one end of the needle body 422 will directly contact the pressure sensor 424, and the pressure sensor 424 will monitor the pressure on the needle body 422. Once the pressure sensed by the pressure sensor 424 reaches the set value, that is, when the pressure value suddenly changes greatly, the pressure data monitored by the pressure sensor 424 will be transmitted to the main controller 8, and the main controller 8 will control the electric heater 14 to heat the heating wire 423, and then heat the needle body 422 through the heating wire 423, so that the needle body 422 heats up to soften the blockage inside the spinneret hole, thereby improving the needle tip penetration efficiency and the blockage clearing effect.

[0038] It should be noted that the needle body 422 is concentrically arranged with the cylinder body 421, and the needle body 422 is set to tungsten steel material, so that the needle body 422 has both mechanical strength and high temperature resistance, and the heating wire 423 is connected to the external electric heater 14 through a wire. In this embodiment, the electric heater 14 is specifically set to a resistive heater, and the material of the heating wire 423 is set to nickel-chromium alloy, and the nickel-chromium alloy heating wire 423 is wound around the inner cavity wall of the needle body 422 in a spiral trajectory. In addition, a K-type thermocouple can be optionally arranged behind the needle tip to provide real-time feedback of the heating zone temperature, and the electric heater 14 is electrically connected to the main controller 8.

[0039] In addition, after the needle body 422 is heated, when the needle body 422 senses a sudden change in resistance during the puncture process, in other words, when the resistance becomes larger, the needle needs to be stopped and withdrawn immediately to avoid continuous force to push the needle in and cause deformation of the hole wall.

[0040] After the needle body 422 is inserted into the spinneret hole, in order to achieve a better clearing effect, in the present embodiment, a spiral guide groove 15 is opened on the outer wall of the needle body 422. The spiral guide groove 15 on the outer wall of the needle body 422 is an inwardly concave spiral structure arranged along the axial direction of the needle body 422, and in actual operation, the cylinder 421 is arranged to be rotatably connected to the connecting plate 9. Specifically, a connecting shaft 16 is fixedly arranged at one end of the cylinder 421, and the connecting shaft 16 is rotatably connected to the side plate of the connecting plate 9 through a bearing. In addition, a drive motor 17 is fixedly installed on one side of the side plate of the connecting plate 9, and the output end of the drive motor 17 is transmission-connected to the connecting shaft 16, and the drive motor 17 is electrically connected to the main controller 8.

[0041] Through the above arrangement, during actual operation, the needle body 422 is horizontally moved by driving the motor 415, and at the same time, the motor 17 is driven to control the connection shaft 16 to rotate, so that the cylinder 421 rotates, and then the cylinder 421 drives the needle body 422 to rotate. Therefore, when puncturing and clearing blockages, the needle body 422 can rotate while moving horizontally, and the spiral guide groove 15 on the outer wall of the needle body 422 forms a continuous scraping path when rotating, and the adhesion interface between the carbide and the hole wall is destroyed by the normal force, thereby making the clearing efficiency higher.

[0042] More specifically, a limiting rod 13 is fixedly arranged between the two limiting plates 10 of the needle body 422, and the limiting rod 13 slides through the side wall of the cylinder 421, so that the needle body 422 can be driven to rotate when the cylinder 421 rotates through the limiting rod 13, and the setting of the limiting rod 13 will not affect the linear movement of the needle body 422.

[0043] The spinning method of a spinning device for preparing a full polyester mildew-proof and antibacterial single-proof and single-absorbent fabric comprises the following steps: Step 1: firstly, the solid prepolymer is heated to a molten state by an extruder 2, and a uniform melt flow is formed by screw extrusion, and then a fiber is formed by a spinneret 3 at one end; Step 2: When the spinneret 3 is clogged, the channel is cleared by the clearing mechanism 4 at the end of the spinneret 3. First, the motor of the driving unit 607 is started. The motor of the driving unit 607 rotates the longitudinal screw 604, and the lifting plate 605 rises through the thread transmission principle. The lifting plate 605 rises and drives the base 411 to rise synchronously through the top rod 606, thereby raising the puncture needle assembly 402. When the needle body 422 of the puncture needle assembly 402 rises to the same horizontal line as the channel of the spinneret 3, the position is sensed by the sensor group 7, the motor of the driving unit 607 stops, and the puncture needle assembly 402 stops rising to maintain the height; Step 3: Then start the drive motor 415 and the drive motor 17. The drive motor 415 controls the horizontal screw rod 414 to rotate, and then the movable seat 413 is horizontally moved through the thread transmission, so that the movable seat 413 drives the needle body 422 to insert into the spinneret hole and then puncture and clear the spinneret hole. At the same time, the drive motor 17 rotates the cylinder 421, and then the needle body 422 rotates, so that when the needle body 422 enters the hole, it can keep rotating while moving axially, and then the spiral guide groove 15 on the outer wall of the needle body 422 forms a continuous scraping path when rotating, and the adhesion interface between the carbide and the hole wall is destroyed by the normal force; Step 4: When puncturing, after the needle body 422 is inserted into the spinneret hole, when the needle body 422 is blocked by a blockage inside the spinneret hole, since the needle body 422 and the barrel wall are movably plugged together, one end of the needle body 422 will directly contact the pressure sensor 424, and the pressure sensor 424 will monitor the pressure exerted on the needle body 422. Once the pressure sensed by the pressure sensor 424 reaches the set value, the pressure data monitored by the pressure sensor 424 will be transmitted to the main controller 8, and the main controller 8 will control the electric heater 14 to heat the heating wire 423, and then heat the needle body 422 through the heating wire 423, so that the needle body 422 is heated to soften the blockage inside the spinneret hole, thereby improving the needle tip penetration efficiency and the clearing effect.

[0044] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A spinning device for preparing a polyester mildew-proof and antibacterial single-proof and single-absorbent fabric, comprising an extruder (2) and a spinneret (3) installed at the discharge port of the extruder (2), characterized in that: The extruder (2) is provided with a spinneret (3) at one end thereof, and is provided with a clearing mechanism (4) for clearing a hole of the spinneret (3), wherein the clearing mechanism (4) is configured to clear a blockage by puncture; The clearing mechanism (4) comprises a linear slide rail module (401) and a puncture needle assembly (402); the linear slide rail module (401) is configured as a screw rod module and is driven by a drive motor (415); the puncture needle assembly (402) is horizontally moved by the linear slide rail module (401) to puncture and clear the hole of the spinneret (3); The puncture needle assembly (402) has a heating function. The puncture needle assembly (402) is heated during puncture to soften the polymer in the hole, and the puncture needle assembly (402) is set to a two-stage puncture mode of first puncturing at room temperature and then puncturing with heating.

2. The spinning device for preparing the all-polyester mildew-proof and antibacterial single-proof and single-absorbent fabric according to claim 1, characterized in that: The puncture needle assembly (402) comprises a barrel (421), a needle (422), a heating wire (423) and a pressure sensor (424); the barrel (421) is mounted on the linear slide rail module (401) and is horizontally moved therethrough; the needle (422) is axially slidably inserted into a barrel wall on one side of the barrel (421), and the puncture end of the needle (422) is located outside the barrel (421); a heating wire (423) is integrated inside the needle (422), and the heating wire (423) is heated by an electric heater ( 14) for electric heating, a pressure sensor (424) is installed at one end of the barrel (421), and one end of the needle body (422) located inside the barrel (421) contacts the sensing surface of the pressure sensor (424) to transmit the resistance encountered by the needle body (422) during puncture, and the activation of the electric heater (14) is triggered by the pressure data monitored by the pressure sensor (424). When the resistance encountered by the needle body (422) during puncture suddenly changes, the electric heater (14) is activated to heat the heating wire (423).

3. The spinning device for preparing the all-polyester mildew-proof and antibacterial single-proof and single-absorbent fabric according to claim 2, characterized in that: The sliding connection between the needle body (422) and the side wall of the barrel (421) is limited by a limiting plate (10), and the needle body (422) is set to be made of tungsten steel. The material of the heating wire (423) is set to be a nickel-chromium alloy, and the heating wire (423) is wound around the inner cavity wall of the needle body (422) in a spiral trajectory. A K-type thermocouple is arranged behind the needle tip of the needle body (422) for real-time feedback of the temperature of the heating zone.

4. The spinning device for preparing the all-polyester mildew-proof and antibacterial single-proof and single-absorbent fabric according to claim 3, characterized in that: The outer wall of the needle body (422) is provided with a spiral guide groove (15), and the spiral guide groove (15) on the outer wall of the needle body (422) is configured as an inwardly concave spiral structure arranged along the axial direction of the needle body (422); the cylinder body (421) and the linear slide rail module (401) are arranged to be rotatably connected, and the cylinder body (421) is driven to rotate by a drive motor (17).

5. The spinning device for preparing the all-polyester mildew-proof and antibacterial single-proof and single-absorbent fabric according to claim 4, characterized in that: A base frame (5) is arranged below the linear slide rail module (401) for supporting it. The linear slide rail module (401) comprises a base (411), a slide rail group (412), a movable seat (413), a horizontal screw rod (414) and a driving motor (415). The base (411) is arranged above the base frame (5) in a manner that it can be lifted and lowered through a lifting assembly (6). The movable seat (413) is slidably connected to the base (411) through the slide rail group (412). A connecting plate (9) is fixedly arranged above the movable seat (413). The cylinder (421) is rotatably connected to the connecting plate (9). A horizontal screw rod (414) is rotatably arranged above the base (411) through a bearing seat. The rotation of the horizontal screw rod (414) is driven by the driving motor (415). The movable seat (413) is threadedly connected to the horizontal screw rod (414).

6. The spinning device for preparing the all-polyester mildew-proof and antibacterial single-proof and single-absorbent fabric according to claim 5, characterized in that: The lifting assembly (6) comprises a bottom plate (601), a top plate (602), a support rod (603), a longitudinal screw rod (604), a lifting plate (605), a top rod (606) and a driving unit (607); the bottom plate (601) is fixedly arranged above the bottom frame (5); a top plate (602) is arranged above the bottom plate (601); support rods (603) are respectively fixedly arranged at four corners between the bottom plate (601) and the top plate (602); 02), a longitudinal screw rod (604) is rotatably arranged between the top plate (602) and the bottom plate (601), a lifting plate (605) is arranged between the top plate (602) and the bottom plate (601), and the lifting plate (605) is threadedly connected to the longitudinal screw rod (604), a top rod (606) is fixedly arranged above the lifting plate (605), the top end of the top rod (606) slides through the top plate (602) and the top end is fixedly connected to the base (411), and the longitudinal screw rod (604) is electrically driven by a driving unit (607).

7. The spinning device for preparing the all-polyester mildew-proof and antibacterial single-proof and single-absorbent fabric according to claim 6, characterized in that: The lifting stroke of the lifting plate (605) is monitored and controlled by a sensor group (7).

8. The spinning device for preparing the all-polyester mildew-proof and antibacterial single-proof and single-absorbent fabric according to claim 7, characterized in that: The drive unit (607) motor, the drive motor (415), the electric heater (14), the drive motor (17) and the sensor group (7) are all electrically connected to the main controller (8).

9. The spinning method based on the spinning device for preparing the all-polyester mildew-proof and antibacterial single-proof and single-absorbent fabric according to claim 8, characterized in that: The following steps are involved: Step 1: firstly, a solid prepolymer is heated to a molten state through an extruder (2), and a uniform melt flow is formed through screw extrusion, and then a fiber is formed through a spinneret (3) at one end; Step 2: When the spinneret (3) is clogged, the hole is cleared by the clearing mechanism (4) at the end of the spinneret (3). First, the base (411) is raised by the lifting assembly (6) and the needle body (422) of the puncture needle assembly (402) is raised to the same level as the hole of the spinneret (3) through the monitoring of the sensor group (7); Step 3: Then, the driving motor (415) is started, and the moving seat (413) drives the needle body (422) to be inserted into the spinneret hole through the linear slide rail module (401), thereby puncturing and clearing the spinneret hole. At the same time, the driving motor (17) is started to rotate the cylinder (421), thereby rotating the needle body (422). After the needle body (422) enters the hole, it can keep rotating while moving axially, so that the spiral guide groove (15) on the outer wall of the needle body (422) forms a continuous scraping path during rotation, thereby destroying the adhesion interface between the carbide and the hole wall through the normal force; Step 4: During puncture, after the needle body (422) is inserted into the spinneret hole, when the needle body (422) is blocked by a blockage inside the spinneret hole, one end of the needle body (422) will directly contact the pressure sensor (424), and the pressure sensor (424) will monitor the pressure on the needle body (422). When the pressure sensed by the pressure sensor (424) reaches a set value, the pressure data monitored by the pressure sensor (424) will be transmitted to the main controller (8), and the main controller (8) will control the electric heater (14) to heat the heating wire (423), and then heat the needle body (422) through the heating wire (423), so that the needle body (422) is heated to soften the blockage inside the spinneret hole, thereby improving the needle tip penetration efficiency and the blockage clearing effect.

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