Polyester tow bar drying device and working method thereof

Abstract

The application discloses a polyester filament bundle strip drying device and a working method thereof. The polyester filament bundle strip drying device comprises a table plate, a plurality of vertical downward extending support columns are arranged at the lower end of the table plate, a rotating sleeve is rotationally connected to the table plate, a blind plate is arranged at the upper end of the rotating sleeve, the upper end of the rotating sleeve extends upwards out of the table plate and is used for inserting a middle hole of a winding roller, and the winding roller is used for winding the polyester filament bundle strip. The winding roller comprises a winding sleeve provided with a middle hole, and radial convex edges are arranged at the two ends of the winding sleeve. When the winding roller winds the polyester filament bundle strip, the polyester filament bundle strip is wound on the winding sleeve and located between the two radial convex edges. A heating and drying assembly is arranged on the left side of the rotating sleeve on the table plate and is slidably connected to the table plate in the left-right direction. When the polyester filament bundle strip is wound, the heating roller in the heating and drying assembly heats and dries the polyester filament bundle strip, so that the polyester filament bundle strip is further dried during winding.

Description

Technical Field

[0001] This invention belongs to the field of polyester filament processing technology, specifically a polyester filament bundle drying device and its working method. Background Technology

[0002] Polyester filament is a commonly used and widely produced synthetic fiber. It can withstand chemicals and frequent washing, reducing fading and discoloration of clothing. It is widely used in the garment manufacturing industry, and its usage in industries such as automobiles, construction, interior and exterior decoration of buildings, and labor protection is also constantly increasing.

[0003] After polyester filament raw materials undergo processes such as pelletizing and wet slicing, they are heated in a screw extruder and spun into bundles. The formed polyester filament bundles need to be sprayed with water or cooled with water to quickly set their shape. After cooling, a drying device is required to dry the damp polyester filaments. Patent application number CN202110073125.7 discloses a polyester filament processing and drying device. This device uses a contact drying chamber to ensure prolonged contact between the polyester filaments and the desiccant, absorbing and removing moisture from the filaments. Inside, the polyester filaments are squeezed and dried in an extrusion drying chamber, squeezing out the moisture from the center and spreading it to the surface, where it is quickly carried away by airflow, resulting in more thorough drying. While the above technology can dry polyester filament bundles, the drying effect deteriorates as the desiccant becomes saturated. Therefore, based on the aforementioned patent, we provide a polyester filament bundle drying device to solve these problems. Summary of the Invention

[0004] To address the problems mentioned in the background section, the present invention provides a polyester filament drying device.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a polyester filament drying device, comprising a table, the lower end of which is provided with a plurality of vertically downward extending support columns, a rotating sleeve rotatably connected inside the table, the upper end of which is provided with a blind plate, the upper end of which extends upward out of the table for inserting into the central hole of a winding roller, wherein when the winding roller is inserted into the rotating sleeve, the rotating sleeve drives the winding roller to rotate, and the winding roller is used to wind up polyester filaments; the winding roller includes a winding sleeve with a central hole, and both ends of the winding sleeve are provided with radially protruding edges; the winding roller winds up polyester filaments. When the polyester filament bundle is wound, the polyester filament bundle is wound around the take-up sleeve and located between two radial convex edges; a heating and drying assembly is provided on the left side of the take-up sleeve on the table, and the heating and drying assembly is slidably connected to the table in the left and right direction; when the empty take-up roller is inserted into the take-up sleeve, the heating roller in the heating and drying assembly is located between the two radial convex edges and abuts against the take-up sleeve. As the polyester filament bundle is wound around the take-up sleeve, the heating roller in the heating and drying assembly gradually moves away from the take-up sleeve. When the take-up roller is fully wound with polyester filament bundle, the heating roller in the heating and drying assembly moves away from the two radial convex edges.

[0006] Through the above technical solution, the drying device of the present invention heats and dries the polyester filament bundle by heating rollers in the heating and drying assembly when winding up the polyester filament bundle, so that the polyester filament bundle is further dried during winding.

[0007] Furthermore, the heating and drying assembly includes a sliding block and a heating roller. The tabletop has a sliding groove with an opening at the left end on the left side of the rotating sleeve. The sliding block is located within the sliding groove. The upper surface of the tabletop has a first slot communicating with the sliding groove. The sliding block has a connecting post extending upwards from the first slot. A vertically arranged electric heating tube is fixedly mounted on the upper end of the connecting post. The heating roller has a heating cavity with an opening at the lower end. The heating roller is inverted on the electric heating tube, with the upper end of the electric heating tube extending upwards from the heating roller. The electric heating tube is located within the heating cavity and is coaxial with the heating roller. The heating roller is rotatably connected to the upper end of the electric heating tube. An end plate is fixedly mounted on the connecting post and rotatably connected to the lower port of the heating cavity.

[0008] The above technical solution involves energizing the electric heating tube when the heating and drying assembly is in operation. The heat generated by the electric heating tube is transferred to the heating roller, thereby achieving the drying of the polyester filament bundle.

[0009] Furthermore, an end block is fixedly provided at the left end of the sliding groove, and a first sliding rod is slidably connected in the left-right direction inside the end block. The right end of the first sliding rod is fixedly connected to the sliding block, and the left end of the first sliding rod extends to the left of the end block and is fixedly provided with a handle. A first spring is sleeved on the outside of the first sliding rod inside the sliding groove, located between the end block and the sliding block. The first spring is used to force the sliding block to move to the right.

[0010] Through the above technical solution, the first spring can force the sliding block to drive the heating roller to press against the take-up sleeve at all times. On the one hand, it can maintain the heating of the polyester filament bundle, and on the other hand, it can make the polyester filament bundle more tightly wrapped on the take-up sleeve.

[0011] Furthermore, the inner wall of the heating cavity is provided with a radial vertical plate, the end of which contacts the outer circumference of the electric heating tube, and the end plate is provided with a second slot communicating with the heating cavity.

[0012] By using the above technical solution, a radial vertical plate is set to contact the outer circumference of the electric heating tube. On the one hand, the outer circumference of the electric heating tube can be cleaned to maintain thermal efficiency. On the other hand, the radial vertical plate can play a role in heat conduction, making the heating efficiency of the heating roller higher.

[0013] Furthermore, the outer circumferential wall of the take-up sleeve is provided with a first ventilation hole array, and the outer circumferential wall of the rotating sleeve is provided with a second ventilation hole. When the take-up roller is inserted into the upper end of the rotating sleeve, the first ventilation hole and the second ventilation hole are connected. The connection between the first ventilation hole and the second ventilation hole allows the hot air generated during the drying of the polyester filament bundle to circulate, thereby improving the drying efficiency of the polyester filament bundle.

[0014] Furthermore, a valve block is fixedly installed inside the rotating sleeve near the tabletop, and a piston head is slidably connected vertically below the valve block inside the rotating sleeve, forming a piston chamber between the valve block and the piston head inside the rotating sleeve; an air intake chamber communicating with the second vent is formed above the valve block inside the rotating sleeve; an air intake one-way valve is provided inside the valve block to connect the air intake chamber and the piston chamber, and the air intake one-way valve is used to control the unidirectional flow of air in the air intake chamber to the piston chamber; an air outlet one-way valve is provided inside the piston head to connect the piston chamber and the outside, and the air outlet one-way valve is used to control the unidirectional flow of air in the piston chamber to the outside; a downwardly extending piston rod is fixedly installed at the lower end of the piston head, and a movable plate slidably connected vertically to four support columns is fixedly installed at the lower end of the piston rod.

[0015] Furthermore, a connecting sleeve is fixedly provided on the outer side of the rotating sleeve, located below the table. The lower end of the connecting sleeve has an upper end face and a lower end face, as well as two inclined surfaces connecting the upper end face and the lower end face. A vertically upward extending push rod is provided on the moving plate. Two tension springs are provided between the table and the moving plate. The tension springs are used to force the moving plate to drive the push rod to abut against the upper end face, the lower end face, or the inclined surface. When the rotating sleeve rotates, the moving plate drives the piston head to reciprocate up and down. When the piston head moves upward, the air in the intake chamber enters the piston chamber. When the piston head moves upward, the air in the piston chamber is discharged to the outside.

[0016] Through the above technical solution, when the rotating sleeve drives the winding roller to wind up the polyester filament bundle, the connecting sleeve rotates synchronously. Under the action of the upper end face, lower end face, inclined surface, top rod and tension spring, the moving plate drives the piston head to move up and down reciprocally inside the rotating sleeve through the piston rod. This allows the hot air generated by drying the polyester filament bundle to enter the suction chamber through the first vent and the second vent, and then be discharged to the outside through the inlet one-way valve, piston chamber and outlet one-way valve, thereby realizing the circulation of air outside the winding sleeve. As the polyester filament bundle is wound on the winding sleeve, the heating roller in the heating and drying assembly gradually moves away from the winding sleeve. The hot air outside the heating roller passes through the wound polyester filament bundle and enters the first vent, thereby realizing the reheating and drying of the wound polyester filament bundle.

[0017] Furthermore, a frame is fixedly provided on the lower section of the table, a motor is fixedly provided on the frame, a pulley is fixedly provided on the output shaft of the motor, and a transmission belt is provided between the pulley and the connecting sleeve. When the pulley rotates, it drives the connecting sleeve to rotate through the transmission belt.

[0018] The present invention also provides a method for operating the above-mentioned polyester filament drying device, comprising the following steps: First, controlling the heating and drying assembly to be in the left-end position, then inserting the winding roller into the upper end of the rotating sleeve, then winding the free end of the polyester filament onto the winding sleeve of the winding roller, then controlling the heating roller in the heating and drying assembly to be located between the two radial convex edges and abutting against the winding sleeve so that the polyester filament is located between the heating roller and the winding sleeve. When the winding roller winds the polyester filament, the heating roller dries the wound polyester filament. As the polyester filament is wound onto the winding sleeve, the heating roller in the heating and drying assembly gradually moves away from the winding sleeve. When the winding roller is fully wound with polyester filament, the heating roller in the heating and drying assembly moves away from the two radial convex edges. When the winding roller is fully wound with polyester filament, controlling the heating and drying assembly to be in the left-end position, then removing the winding roller fully wound with polyester filament.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0020] In the drying apparatus of this invention, when winding up polyester filament bundles, the heating roller in the heating and drying assembly heats and dries the polyester filament bundles, further drying them during winding. A first spring forces the sliding block to continuously press the heating roller against the winding sleeve, maintaining heating of the polyester filament bundles and ensuring a tighter wrapping of the bundles around the sleeve. A radial vertical plate contacts the outer circumference of the electric heating tube, cleaning the outer circumference and maintaining thermal efficiency, while also acting as a heat conductor, further increasing the heating efficiency of the heating roller. The rotating sleeve drives the winding roller to wind... When the polyester filament bundle is wound, the connecting sleeve rotates synchronously. Under the action of the upper end face, lower end face, inclined surface, top rod, and tension spring, the moving plate drives the piston head to move up and down reciprocally inside the rotating sleeve through the piston rod. This allows the hot air generated by drying the polyester filament bundle to enter the suction chamber through the first vent and the second vent, and then be discharged to the outside through the inlet one-way valve, the piston chamber, and the outlet one-way valve, thus realizing the circulation of air outside the winding sleeve. As the polyester filament bundle is wound on the winding sleeve, the heating roller in the heating and drying assembly gradually moves away from the winding sleeve. The hot air outside the heating roller passes through the wound polyester filament bundle and enters the first vent, thus realizing the reheating and drying of the wound polyester filament bundle. Attached Figure Description

[0021] Figure 1 This is a front sectional view of the heating roller when it leaves the take-up roller and the piston head is at the bottom dead center position.

[0022] Figure 2 This is a top view of the present invention;

[0023] Figure 3 This is a front sectional view when the heating roller leaves the take-up roller and the piston head is at the top dead center position;

[0024] Figure 4 This is a front sectional view of the heating roller pressed against the take-up sleeve and the piston head at the bottom dead center position.

[0025] Figure 5 This is a front sectional view of the polyester filament bundle being wound up on the winding sleeve.

[0026] Figure 6 for Figure 1 A cross-sectional view along the AA direction;

[0027] Figure 7 for Figure 1 Cross-sectional view along the BB direction;

[0028] Figure 8 for Figure 1 A cross-sectional view along the CC direction;

[0029] Figure 9 for Figure 1 A cross-sectional view along the DD direction;

[0030] Figure 10 for Figure 1 A cross-sectional view along the EE direction;

[0031] Figure 11-12 This is a structural diagram of the connecting sleeve in this invention. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] like Figures 1 to 12 As shown, this invention provides a polyester filament tow drying device, including a table 1. The lower end of the table 1 has multiple vertically downward extending support columns 2. A rotating sleeve 3 is rotatably connected inside the table 1. The upper end of the rotating sleeve 3 has a blind plate 3a. The upper end of the rotating sleeve 3 extends upward from the table 1 for inserting a winding roller 4 through its central hole. When the winding roller 4 is inserted into the rotating sleeve 3, the rotating sleeve 3 drives the winding roller 4 to rotate. The winding roller 4 is used to wind up polyester filament tow 5. The rotating sleeve 3 has multiple locking blocks 3b arranged in an array on its outer circumference near the table surface. Both ends of the winding roller 4 have circumferentially arranged slots 4a for the locking blocks 3b to engage. Through the cooperation of the locking blocks 3b and the slots 4a, when the winding roller 4 is inserted into the rotating sleeve 3, the rotating sleeve 3 can drive the winding roller 4 to rotate. The roller includes a take-up sleeve 4b with a central hole, and both ends of the take-up sleeve 4b are provided with radial protrusions 4c. When the take-up roller 4 takes up the polyester filament bundle 5, the polyester filament bundle 5 is wound around the take-up sleeve 4b and located between the two radial protrusions 4c. A heating and drying assembly is provided on the left side of the rotating sleeve 3 on the table plate 1. The heating and drying assembly is slidably connected to the table plate 1 in the left and right direction. When the empty take-up roller is inserted into the rotating sleeve 3, the heating roller 6 in the heating and drying assembly is located between the two radial protrusions 4c and abuts against the take-up sleeve 4b. As the polyester filament bundle 5 is wound around the take-up sleeve 4b, the heating roller 6 in the heating and drying assembly gradually moves away from the take-up sleeve 4b. When the take-up roller 4 is fully wound with the polyester filament bundle 5, the heating roller 6 in the heating and drying assembly moves away from the two radial protrusions 4c. In the drying apparatus of the present invention, when the polyester filament bundle 5 is wound up, the heating roller 6 in the heating and drying assembly heats and dries the polyester filament bundle 5, so that the polyester filament bundle 5 is further dried during winding.

[0034] The heating and drying assembly includes a sliding block 7 and a heating roller 6. The tabletop 1 has a sliding groove 1a with an open left end on the left side of the rotating sleeve 3. The sliding block 7 is located within the sliding groove 1a. The upper surface of the tabletop 1 has a first slot 1b communicating with the sliding groove 1a. The sliding block 7 has a connecting post 7a extending upwards from the first slot 1b. A vertically arranged electric heating tube 8 is fixed to the upper end of the connecting post 7a. The heating roller 6 has a heating chamber 6a with an open lower end. The heating roller 6 is inverted on the electric heating tube 8, with the upper end of the electric heating tube 8 extending upwards from the heating roller 6. The electric heating tube 8 is located within the heating chamber 6a and is coaxial with the heating roller 6. The heating roller 6 is rotatably connected to the upper end of the electric heating tube 8. An end plate 9 is fixed to the connecting post 7a and rotatably connected to the lower end of the heating chamber 6a. When the heating and drying assembly is working, the electric heating tube 8 is energized, and the heat generated by the electric heating tube 8 is transferred to the heating roller 6, thereby drying the polyester filament bundle 5.

[0035] An end block 10 is fixedly provided at the left end of the sliding groove 1a. A first sliding rod 11 is slidably connected in the left-right direction inside the end block 10. The right end of the first sliding rod 11 is fixedly connected to the sliding block 7. The left end of the first sliding rod 11 extends to the left from the end block 10 and is fixedly provided with a handle 12. A first spring 131 is sleeved on the outside of the first sliding rod 11 inside the sliding groove 1a, located between the end block 10 and the sliding block 7. The first spring 131 is used to force the sliding block 7 to move to the right. The first spring 131 can force the sliding block 7 to drive the heating roller 6 to press against the winding sleeve 4b at all times. On the one hand, it can maintain the heating of the polyester filament bundle 5, and on the other hand, it can make the polyester filament bundle 5 more tightly wound on the winding sleeve 4b.

[0036] The inner wall of the heating chamber 6a is provided with a radial vertical plate 6b. The end of the radial vertical plate 6b contacts the outer circumference of the electric heating tube 8. The end plate 9 is provided with a second slot 9a communicating with the heating chamber 6a. The radial vertical plate 6b, which contacts the outer circumference of the electric heating tube 8, serves two purposes: firstly, it can clean the outer circumference of the electric heating tube 8, maintaining thermal efficiency, and the cleaning dust can fall off from the second slot 9a; secondly, the radial vertical plate 6b can also play a role in heat conduction, making the heating efficiency of the heating roller 6 higher.

[0037] In this embodiment, the outer circumferential wall of the take-up sleeve 4b is provided with a first vent hole 4b1, and the outer circumferential wall of the rotating sleeve 3 is provided with a second vent hole 3c. When the take-up roller 4 is inserted into the upper end of the rotating sleeve 3, the first vent hole 4b1 and the second vent hole 3c are connected. The connection between the first vent hole 4b1 and the second vent hole 3c allows the hot air generated during the drying of the polyester filament bundle 5 to circulate, improving the drying efficiency of the polyester filament bundle 5. A valve block 101 is fixedly provided inside the rotating sleeve 3 near the table 1. A piston head 111 is slidably connected in the vertical direction below the valve block 101 inside the rotating sleeve 3. A piston chamber 3d is formed between the valve block 101 and the piston head 111 inside the rotating sleeve 3. An air intake chamber 3e communicating with the second vent hole 3c is formed above the valve block 101 inside the rotating sleeve 3. An air intake one-way valve 121 for connecting the air intake chamber 3e and the piston chamber 3d is provided inside the valve block 101. One-way valve 121 is used to control the unidirectional flow of air in the intake chamber 3e to the piston chamber 3d; the piston head 111 is provided with an exhaust one-way valve 13 for connecting the piston chamber 3d and the outside, and the exhaust one-way valve 13 is used to control the unidirectional flow of air in the piston chamber 3d to the outside; the lower end of the piston head 111 is fixedly provided with a downwardly extending piston rod 14, and the lower end of the piston rod 14 is fixedly provided with a movable plate 15 that is slidably connected to four support columns 2 in the vertical direction. The outer side of the rotating sleeve 3 is fixedly provided with a connecting sleeve 16 located below the table 1. The lower end of the connecting sleeve 16 is provided with an upper end face 16a and a lower end face 16b, as well as two inclined surfaces 16c connecting the upper end face 16a and the lower end face 16b. The moving plate 15 is provided with a vertically upward extending push rod 17. Two tension springs 18 are provided between the table 1 and the moving plate 15. The tension springs 18 are used to force the moving plate 15 to drive the push rod 17 to abut against the upper end face 16a, the lower end face 16b, or the inclined surface 16c. When the rotating sleeve 3 rotates, the moving plate 15 drives the piston head 111 to move up and down reciprocally. When the piston head 111 moves upward, the air in the intake chamber 3e enters the piston chamber 3d. When the piston head 111 moves upward, the air in the piston chamber 3d is discharged to the outside.

[0038] When the rotating sleeve 3 drives the winding roller 4 to wind up the polyester filament bundle 5, the connecting sleeve 16 rotates synchronously. Under the action of the upper end face 16a, lower end face 16b, inclined surface 16c, top rod 17 and tension spring 18, the moving plate 15 drives the piston head 111 to move up and down in the rotating sleeve 3 through the piston rod 14. This allows the hot air generated by drying the polyester filament bundle 5 to enter the suction chamber 3e through the first vent 4b1 and the second vent 3c, and then be discharged to the outside through the inlet one-way valve 121, piston chamber 3d and outlet one-way valve 13, thereby realizing the circulation of air outside the winding sleeve 4b. As the polyester filament bundle 5 is wound on the winding sleeve 4b, the heating roller 6 in the heating and drying assembly gradually moves away from the winding sleeve 4b. The hot air outside the heating roller 6 passes through the wound polyester filament bundle 5 and enters the first vent 4b1, thereby realizing the reheating and drying of the wound polyester filament bundle 5.

[0039] In this embodiment, a frame 19 is fixedly provided on the lower section of the table 1, a motor 20 is fixedly provided on the frame 19, a pulley 21 is fixedly provided on the output shaft of the motor 20, and a transmission belt 22 is provided between the pulley 21 and the connecting sleeve 16. When the pulley 21 rotates, it drives the connecting sleeve 16 to rotate through the transmission belt 22.

[0040] This embodiment also discloses a working method of the above-mentioned polyester filament drying device, including the following steps: First, control the electric heating tube 8 to be energized and heated, while the heating and drying component is in the left position. Specifically, the first sliding rod 11 is moved to the left by the handle 12, the first sliding rod 11 moves the sliding block 7 to the left and compresses the first spring 131, and the sliding block 7 moves the electric heating tube 8 and the heating roller 6 to the left through the connecting column 7a; then the winding roller 4 is inserted into the upper end of the rotating sleeve 3, and the locking block 3b is locked into the locking groove 4a of the winding roller 4; then the free end of the polyester filament 5 is wound around the winding sleeve 4b of the winding roller 4, and then... After releasing the handle 12, the sliding block 7, under the action of the first spring 131, drives the electric heating tube 8 and the heating roller 6 to move to the right through the connecting column 7a. The heating roller 6 in the heating and drying assembly is located between the two radial convex edges 4c and abuts against the winding sleeve 4b, so that the polyester filament bundle 5 is located between the heating roller 6 and the winding sleeve 4b. Then, the motor 20 drives the pulley 21 to rotate. When the pulley 21 rotates, it drives the connecting sleeve 16 to rotate through the transmission belt 22. When the connecting sleeve 16 rotates, it drives the rotating sleeve 3 to rotate. The rotating sleeve 3 drives the winding roller 4 to rotate. When the winding roller 4 winds up the polyester filament bundle 5, the heating roller 6 dries the wound polyester filament bundle 5. As the polyester filament bundle 5 winds around the take-up sleeve 4b, the heating roller 6 in the heating and drying assembly gradually moves away from the take-up sleeve 4b. When the polyester filament bundle 5 is fully wound on the take-up roller 4, the heating roller 6 in the heating and drying assembly moves away from the two radial convex edges 4c. On the other hand, when the connecting sleeve 16 rotates, under the action of the upper end face 16a, lower end face 16b, inclined surface 16c, top rod 17, and tension spring 18, the moving plate 15 drives the piston head 111 to move up and down reciprocally within the rotating sleeve 3 via the piston rod 14, thereby causing the hot air generated by drying the polyester filament bundle 5 to enter the suction chamber 3e through the first vent 4b1 and the second vent 3c. Air is discharged to the outside through the inlet one-way valve 121, piston chamber 3d, and outlet one-way valve 13, thereby enabling air circulation outside the take-up sleeve 4b. As the polyester filament bundle 5 is wound around the take-up sleeve 4b, the heating roller 6 in the heating and drying assembly gradually moves away from the take-up sleeve 4b. The hot air outside the heating roller 6 passes through the wound polyester filament bundle 5 and enters the first vent hole 4b1, thereby reheating and drying the wound polyester filament bundle 5. When the upper end of the push rod 17 abuts against the upper end face 16a, the piston head 111 is at the upper dead center position; when the upper end of the push rod 17 abuts against the lower end face 16b, the piston head 111 is at the lower dead center position. When the take-up roller 4 is fully wound with polyester filament bundle 5, the heating and drying assembly is controlled to the left end position again, and then the take-up roller 4 fully wound with polyester filament bundle 5 can be removed.

[0041] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A polyester filament drying device, characterized in that: The device includes a tabletop with multiple vertically downward-extending support columns at its lower end. A rotating sleeve is rotatably connected inside the tabletop. The upper end of the rotating sleeve has a blind plate and extends upwards from the tabletop for inserting into the central hole of a take-up roller. When the take-up roller is inserted into the rotating sleeve, the rotating sleeve drives the take-up roller to rotate. The take-up roller is used to take up polyester filament bundles. The take-up roller includes a take-up sleeve with a central hole, and both ends of the take-up sleeve have radially protruding edges. When the take-up roller takes up the polyester filament bundles, the polyester filament bundles are wound around the take-up sleeve. The rotating sleeve is fitted and located between two radial convex edges; a heating and drying assembly is provided on the left side of the rotating sleeve on the table, and the heating and drying assembly is slidably connected to the table in the left and right direction; when the empty take-up roller is inserted into the rotating sleeve, the heating roller in the heating and drying assembly is located between the two radial convex edges and abuts against the take-up sleeve. As polyester filament bundles are wound on the take-up sleeve, the heating roller in the heating and drying assembly gradually moves away from the take-up sleeve. When the take-up roller is fully wound with polyester filament bundles, the heating roller in the heating and drying assembly moves away from the two radial convex edges.

2. The polyester filament drying device according to claim 1, characterized in that: The heating and drying assembly includes a sliding block and a heating roller. The tabletop has a sliding groove with an opening at the left end on the left side of the rotating sleeve. The sliding block is located within the sliding groove. The upper surface of the tabletop has a first slot communicating with the sliding groove. The sliding block has a connecting post extending upwards from the first slot. A vertically arranged electric heating tube is fixed to the upper end of the connecting post. The heating roller has a heating cavity with an opening at the lower end. The heating roller is inverted on the electric heating tube, with the upper end of the electric heating tube extending upwards from the heating roller. The electric heating tube is located within the heating cavity and is coaxial with the heating roller. The heating roller is rotatably connected to the upper end of the electric heating tube. An end plate is fixedly fixed to the connecting post and rotatably connected to the lower port of the heating cavity.

3. The polyester filament drying device according to claim 2, characterized in that: An end block is fixedly provided at the left end of the sliding groove. A first sliding rod is slidably connected in the left-right direction inside the end block. The right end of the first sliding rod is fixedly connected to the sliding block. The left end of the first sliding rod extends to the left of the end block and is fixedly provided with a handle. A first spring is sleeved on the outside of the first sliding rod inside the sliding groove and located between the end block and the sliding block. The first spring is used to force the sliding block to move to the right.

4. The polyester filament drying device according to claim 2, characterized in that: The inner wall of the heating chamber is provided with a radial vertical plate, the end of which contacts the outer circumference of the electric heating tube, and the end plate is provided with a second slot communicating with the heating chamber.

5. The polyester filament drying device according to claim 1, characterized in that: The outer circumferential wall of the take-up sleeve is provided with a first vent hole, and the outer circumferential wall of the rotating sleeve is provided with a second vent hole. When the take-up roller is inserted into the upper end of the rotating sleeve, the first vent hole and the second vent hole are connected.

6. The polyester filament drying apparatus according to claim 5, characterized in that: A valve block is fixedly installed inside the rotating sleeve near the table. A piston head is slidably connected vertically below the valve block inside the rotating sleeve, forming a piston chamber between the valve block and the piston head. An air intake chamber communicating with a second vent is formed above the valve block inside the rotating sleeve. An air intake check valve is provided inside the valve block to connect the air intake chamber and the piston chamber, controlling the unidirectional flow of air from the air intake chamber to the piston chamber. An air outlet check valve is provided inside the piston head to connect the piston chamber to the outside, controlling the unidirectional flow of air from the piston chamber to the outside. A downwardly extending piston rod is fixedly installed at the lower end of the piston head, and a movable plate slidably connected vertically to four support columns is fixedly installed at the lower end of the piston rod.

7. The polyester filament drying apparatus according to claim 6, characterized in that: The outer side of the rotating sleeve is fixedly provided with a connecting sleeve located below the table. The lower end of the connecting sleeve is provided with an upper end face and a lower end face, as well as two inclined surfaces connecting the upper end face and the lower end face. The moving plate is provided with a vertically upward extending push rod. Two tension springs are provided between the table and the moving plate. The tension springs are used to force the moving plate to drive the push rod to abut against the upper end face, the lower end face, or the inclined surface. When the rotating sleeve rotates, the moving plate drives the piston head to reciprocate up and down. When the piston head moves upward, the air in the intake chamber enters the piston chamber. When the piston head moves upward, the air in the piston chamber is discharged to the outside.

8. The polyester filament drying apparatus according to claim 7, characterized in that: A frame is fixedly mounted on the lower section of the table, a motor is fixedly mounted on the frame, a pulley is fixedly mounted on the output shaft of the motor, a transmission belt is provided between the pulley and the connecting sleeve, and the connecting sleeve is driven to rotate through the transmission belt when the pulley rotates.

9. A method for operating the polyester filament drying device according to claim 1, characterized in that: The process includes the following steps: First, control the heating and drying assembly to be in the left-end position. Then, insert the take-up roller into the upper end of the rotating sleeve. Next, wind the free end of the polyester filament bundle around the take-up sleeve of the take-up roller. Then, control the heating roller in the heating and drying assembly to be positioned between the two radial convex edges and against the take-up sleeve, so that the polyester filament bundle is located between the heating roller and the take-up sleeve. When the take-up roller winds the polyester filament bundle, the heating roller dries the wind-up polyester filament bundle. As the polyester filament bundle is wound around the take-up sleeve, the heating roller in the heating and drying assembly gradually moves away from the take-up sleeve. When the take-up roller is fully wound with polyester filament bundle, the heating roller in the heating and drying assembly moves away from the two radial convex edges. When the take-up roller is fully wound with polyester filament bundle, control the heating and drying assembly to be in the left-end position, and then remove the take-up roller fully wound with polyester filament bundle.

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