Screw extruder for full-dull polyester-polyester composite yarns
By introducing a feeding assembly and a heating circulation assembly into the screw extruder, the problems of polyester fiber damage and impurity clogging at high temperatures are solved, effective impurity filtration and fiber softening are achieved, equipment life is extended, and production efficiency is improved.
Patent Information
- Application Number
- CN202422629261.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-10-30
AI Technical Summary
The existing screw extruder has too high a temperature during the heating process, which causes damage to the polyester fiber and is unable to effectively filter out iron impurities in the feed, shortening the service life of the equipment.
A screw extruder for fully matte polyester composite yarn was designed, which includes a feeding component and a heating circulation component. The polyester fiber is filtered through the feed hopper and softened by heating with water to avoid direct heating damage. The magnetic plate is used to remove iron impurities to improve the durability of the equipment.
Effectively filter impurities, reduce the probability of iron impurities entering the screw extruder, extend equipment life, improve production efficiency, avoid polyester fiber damage, and enhance equipment controllability and production efficiency.
Smart Images

Figure CN223422831U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of polyester yarn processing, in particular to a screw extruder for fully matt polyester composite yarn. Background Art
[0002] In the domestic polyester production process, polyester chips need to go through a series of processing steps such as drying, heating and melting, filtering, and spinning. The equipment involved in heating and melting is a screw extruder. Prior art publication number CN204936148U proposes a screw extruder for polyester yarn processing, including a base, a motor, a speed regulating box, a coupling, and a screw. The motor is located in the base, and the speed regulating box, coupling, and screw are located on the base. The speed regulating box is connected to the motor in a transmission manner. The speed regulating box, coupling, and screw are connected in a transmission manner in sequence. The outer side of the screw is sequentially provided with a barrel and an electric heater, and the electric heater is provided with a thermocouple. The front end of the barrel is provided with a hopper and a thrust bearing. The hopper is arranged in a conical shape. The end of the barrel is provided with a filter screen and a discharge flange. The filter screen is fixedly connected to the barrel, and the discharge flange is threadedly connected to the barrel. However, the screw working position is directly heated, and the temperature is too high, which easily damages the polyester fiber and makes it impossible to filter the feed. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a screw extruder for fully matte polyester composite yarn that can filter polyester fibers, prolong the service life of the screw extruder, improve production efficiency, and avoid direct heating at excessively high temperatures that damage polyester fibers.
[0004] The utility model discloses a screw extruder for fully matt polyester composite yarn, comprising an outer box, a water tank, an inner cylinder and supporting legs, the bottom end of the outer box is fixedly connected to the top end of the water tank, the inner cylinder is installed inside the outer box, an extrusion screw is arranged inside the inner cylinder, supporting legs are fixedly installed at the four corners of the bottom of the water tank, a feed hopper is connected to the top of the outer box, the output end of the feed hopper is communicated with the interior of the inner cylinder, a die head is installed at the right end of the inner cylinder, a feed assembly is installed on the top of the inner cylinder, a heating circulation assembly is installed inside the water tank, and the input end of the heating circulation assembly is communicated with the interior of the outer box; the feed assembly is used to store polyester Polyester fiber is discharged through the feed hopper, and the polyester fiber can be filtered at the same time to avoid the internal impurities of the polyester fiber clogging the feed hopper, and the iron impurities are basically removed, which can greatly reduce the content of iron impurities in the slices entering the screw extruder, and reduce the probability of the internal structure of the screw extruder being scratched by iron impurities, thereby improving the service life of the screw extruder. The heating circulation component can use water for heating to heat and soften the polyester fiber, which is convenient for the processing of polyester fiber, improves production efficiency, and avoids direct heating temperature that is too high to damage the polyester fiber.
[0005] Preferably, the feeding assembly comprises a storage cylinder and a filter screen, the bottom output end of the storage cylinder is connected with the input end of the feeding hopper, a snap ring is arranged on the inner wall of the storage cylinder, and the filter screen is placed on the snap ring; the polyester fibers are stored through the storage cylinder, and the polyester fibers are filtered through the filter screen, so that the internal impurities of the polyester fibers are prevented from blocking the feeding hopper.
[0006] Preferably, the middle part of the filter screen is rotatably installed with a rotating rod through a bearing, a plurality of stirring rods are fixedly installed on the outer wall of the upper part of the rotating rod, a plurality of magnetic plates are installed on the stirring rods, a sleeve rod is fixedly installed on the inner wall of the storage cylinder, a driving box is fixedly installed at the right end of the sleeve rod, a driving sleeve is rotatably installed on the inner upper end of the driving box through a support frame, a transmission plug is installed at the bottom of the rotating rod, the transmission plug is inserted into the driving sleeve, a transmission rod is rotatably installed in the sleeve rod, the input end of the transmission rod is connected with the output end of the driving motor, a transmission bevel gear is installed at the right end of the transmission rod and extends into the driving box, a bevel gear is installed at the lower part of the driving sleeve, and the transmission bevel gear is engaged with the bevel gear; the driving motor is started to drive the transmission rod to rotate, the transmission rod drives the bevel gear to rotate through the transmission bevel gear, the bevel gear drives the rotating rod to rotate through the driving sleeve and the transmission plug, the stirring rods drive the magnetic plates to rotate, the materials are mixed, the iron impurities are basically removed, the content of the iron impurities in the slices entering the screw extruder is greatly reduced, the probability that the internal structure of the screw extruder is scratched by the iron impurities is reduced, and the service life of the screw extruder is prolonged; the pulling of the rotating rod can take out the filter screen in the storage cylinder, and the filter screen is convenient to clean.
[0007] Preferably, the heating and circulating assembly comprises two heaters, a circulating water pump, a water suction pipe, a water distribution pipe, a plurality of water inlet pipes, a plurality of water outlet pipes and a water collecting pipe, a water supplement hole is arranged at the top right end of the water tank, the two heaters are installed at the front and rear ends in the water tank, the circulating water pump is fixedly installed at the top left side of the water tank, the input end of the circulating water pump is connected with the water suction pipe, the water suction pipe extends into the inner bottom end of the water tank, the output end of the circulating water pump is connected with the water distribution pipe, a plurality of water inlet pipes are connected to the water distribution pipe, the output end of the water inlet pipe is communicated with the inside of the outer tank, a plurality of water outlet pipes are uniformly connected to the top of the outer tank, the output end of the water outlet pipe is connected with the input end of the water collecting pipe, and the output end of the water collecting pipe extends into the inside of the water tank; the heaters are started to heat the water in the water tank, the circulating water pump is started to heat the water through the water suction pipe, and then the water is input into the water distribution pipe, input into the outer tank through the plurality of water inlet pipes, heat the inner cylinder and soften the polyester fibers, facilitate the processing of the polyester fibers, and input the water into the water collecting pipe through the water outlet pipe and then backflow into the water tank, so as to avoid damage to the polyester fibers due to direct heating at too high temperature.
[0008] Preferably, a partition is installed in the middle of the bottom end of the water tank, and a horizontal axis is rotatably installed above the partition inside the water tank. The input end of the horizontal axis is connected to the output end of the second servo motor, and a plurality of push rotating plates are evenly installed on the outer wall of the horizontal axis; the water returning through the water collecting pipe falls into the water tank behind the partition, and the water is reheated by the rear heater. The second servo motor is started to drive the push rotating plate to rotate through the horizontal axis, pushing the water to the front end of the water tank, so that the water is recycled.
[0009] Preferably, a water temperature detector is connected to the front end of the outer box, the detection end of the water temperature detector is located inside the outer box, and the water temperature detector is electrically connected to the heater; the temperature inside the outer box is detected by the water temperature detector to avoid the temperature inside the outer box being too high and damaging the polyester fiber, thereby facilitating the control of different heating temperatures.
[0010] Preferably, a bracket is connected to the left side wall of the water tank, and a servo motor is fixedly installed on the top of the bracket, the output end of the servo motor is connected to the input end of the transmission, and the output end of the transmission is connected to the input end of the extrusion screw; the servo motor is supported by the bracket, and the servo motor is started to drive the extrusion screw to rotate through the transmission, which can realize stepless speed regulation of the extrusion screw, so that the equipment can be steplessly adjusted according to customer needs, thereby increasing the controllable range of the equipment.
[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the feeding component is used to store polyester fibers, and the polyester fibers are discharged through the feeding hopper, and the polyester fibers can be filtered at the same time to prevent the internal impurities of the polyester fibers from clogging the feeding hopper, and the iron impurities are basically removed, which can greatly reduce the content of iron impurities in the slices entering the screw extruder, and reduce the probability of the internal structure of the screw extruder being scratched by the iron impurities, thereby improving the service life of the screw extruder. The heating circulation component can use water for heating to heat and soften the polyester fibers, facilitate the processing of the polyester fibers, improve production efficiency, and avoid direct heating at too high a temperature to damage the polyester fibers. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a structural diagram of the utility model;
[0013] Figure 2 It is a front structural schematic diagram of the utility model;
[0014] Figure 3 It is a front cross-sectional structural schematic diagram of the utility model;
[0015] Figure 4 It is a right side cross-sectional structural schematic diagram of the utility model;
[0016] Figure 5 This utility model Figure 3A schematic diagram of the enlarged structure of the middle part A;
[0017] Markings in the accompanying drawings: 1. Outer box; 2. Water tank; 3. Inner cylinder; 4. Support legs; 5. Extrusion screw; 6. Feed hopper; 7. Transmission; 8. Servo motor; 9. Bracket; 10. Die head; 11. Partition; 12. Heater; 13. Circulating water pump; 14. Suction pipe; 15. Water distribution pipe; 16. Water inlet pipe; 17. Water outlet pipe; 18. Water collecting pipe; 19. Water temperature detector; 20. Storage barrel; 21. Filter; 22. Bearing; 23. Rotating rod; 24. Transmission plug; 25. Stirring rod; 26. Magnetic plate; 27. Sleeve rod; 28. Drive box; 29. Drive sleeve; 30. Support frame; 31. Bevel gear; 32. Transmission rod; 33. Transmission bevel gear; 34. Drive motor; 35. Horizontal axis; 36. Second servo motor; 37. Push turn plate. DETAILED DESCRIPTION
[0018] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention. Example 1
[0019] like Figures 1 to 4 As shown, the bottom end of the outer box 1 is fixedly connected to the top end of the water tank 2, the inner tube 3 is installed inside the outer box 1, the inner tube 3 is provided with an extrusion screw 5, the four corners of the bottom of the water tank 2 are fixedly installed with legs 4, the top of the outer box 1 is connected to a feed hopper 6, the output end of the feed hopper 6 is connected to the interior of the inner tube 3, the right end of the inner tube 3 is provided with a die head 10, the left side wall of the water tank 2 is connected to a bracket 9, the top of the bracket 9 is fixedly installed with a servo motor 8, the output end of the servo motor 8 is connected to the input end of the transmission 7, the output end of the transmission 7 is connected to the input end of the extrusion screw 5, and the top right end of the water tank 2 is provided with a A water supply hole is provided, two heaters 12 are installed at the front and rear ends of the water tank 2, a circulating water pump 13 is fixedly installed on the top left side of the water tank 2, the input end of the circulating water pump 13 is connected to a water pumping pipe 14, the water pumping pipe 14 extends into the bottom end of the water tank 2, the output end of the circulating water pump 13 is connected to a water distribution pipe 15, a plurality of water inlet pipes 16 are connected to the water distribution pipe 15, the output end of the water inlet pipe 16 is communicated with the interior of the outer box 1, a plurality of water outlet pipes 17 are evenly connected to the top of the outer box 1, the output end of the water outlet pipe 17 is connected to the input end of the water collecting pipe 18, and the output end of the water collecting pipe 18 extends into the interior of the water tank 2;
[0020] The polyester fiber is stored in the storage barrel 20 and can be filtered through the filter screen 21 to prevent impurities inside the polyester fiber from clogging the feed hopper 6. The servo motor 8 is supported by the bracket 9. The servo motor 8 is started to drive the extrusion screw 5 to rotate through the transmission 7, which can achieve stepless speed regulation of the extrusion screw 5, so that the equipment can be steplessly adjusted according to customer needs, increasing the controllable range of the equipment. The heater 12 is started to heat the water inside the water tank 2, and the circulating water pump 13 is started to heat the water through the water pipe 14, and then input into the water distribution pipe 15, and then input into the outer box 1 through multiple water inlet pipes 16, to heat the inner barrel 3, and heat and soften the polyester fiber, which is convenient for the processing of polyester fiber. The water is input into the water collecting pipe 18 through the outlet pipe 17 and then flows back to the water tank 2 to avoid direct heating with excessive temperature to damage the polyester fiber. Example 2
[0021] like Figures 3 to 5 As shown, on the basis of Example 1, a rotating rod 23 is rotatably mounted on the middle part of the filter 21 through a bearing 22, multiple groups of stirring rods 25 are fixedly mounted on the outer wall of the upper part of the rotating rod 23, and multiple magnetic plates 26 are mounted on the stirring rod 25. A sleeve rod 27 is fixedly mounted on the inner wall of the storage barrel 20, and a drive box 28 is fixedly mounted on the right end of the sleeve rod 27. A drive sleeve 29 is rotatably mounted on the upper end of the drive box 28 through a support frame 30. A transmission plug 24 is installed at the bottom of the rotating rod 23, and the transmission plug 24 is inserted into the drive sleeve 29. A transmission rod 32 is rotatably mounted inside the sleeve rod 27, and the input end of the transmission rod 32 is connected to the drive sleeve 29. The output end of the motor 34 is connected, the right end of the transmission rod 32 extends into the drive box 28 and is installed with a transmission bevel gear 33, the lower part of the drive sleeve 29 is installed with a bevel gear 31, and the transmission bevel gear 33 is meshed with the bevel gear 31. A partition 11 is installed in the middle of the bottom end of the water tank 2, and a horizontal shaft 35 is rotatably installed above the partition 11 inside the water tank 2. The input end of the horizontal shaft 35 is connected to the output end of the second servo motor 36, and a plurality of push rotating plates 37 are evenly installed on the outer wall of the horizontal shaft 35. The front end of the outer box 1 is connected to the water temperature detector 19, and the detection end of the water temperature detector 19 is located inside the outer box 1. The water temperature detector 19 is electrically connected to the heater 12;
[0022] Start the drive motor 34 to drive the transmission rod 32 to rotate, the transmission rod 32 drives the bevel gear 31 to rotate through the transmission bevel gear 33, the bevel gear 31 drives the rotating rod 23 to rotate through the driving sleeve 29 and the transmission plug 24, so that the stirring rod 25 drives the magnetic plate 26 to rotate, mixing the materials and basically removing the iron impurities at the same time, which can greatly reduce the content of iron impurities in the slices entering the screw extruder, and reduce the probability of the internal structure of the screw extruder being scratched by iron impurities, thereby improving the service life of the screw extruder and pulling The rotating rod 23 can take out the filter screen 21 in the storage barrel 20 for easy cleaning. The water flowing back through the water collecting pipe 18 falls into the water tank 2 behind the partition 11, and the water is reheated by the rear heater 12. The second servo motor 36 is started to drive the rotating plate 37 to rotate through the horizontal axis 35, and the water is pushed to the front end of the water tank 2 for water recycling. The temperature inside the outer box 1 is detected by the water temperature detector 19 to avoid the temperature inside the outer box 1 being too high and damaging the polyester fiber, so as to facilitate the control of different heating temperatures.
[0023] like Figures 1 to 5 As shown, the utility model is a screw extruder for fully matte polyester composite yarn. When it is working, the polyester fiber is stored through the storage barrel 20, and the polyester fiber can be filtered through the filter screen 21 to prevent the internal impurities of the polyester fiber from clogging the feed hopper 6. The drive motor 34 is started to drive the transmission rod 32 to rotate, and the transmission rod 32 drives the bevel gear 31 to rotate through the transmission bevel gear 33. The bevel gear 31 drives the rotating rod 23 to rotate through the driving sleeve 29 and the transmission plug 24, so that the stirring rod 25 drives the magnetic plate 26 to rotate, and the materials are mixed. At the same time, the iron impurities are basically removed, which can greatly reduce the content of iron impurities in the slices entering the screw extruder. The servo motor 8 is supported by the bracket 9, and the servo motor 8 is started to drive the extrusion screw through the transmission 7. The rod 5 rotates, starting the heater 12 to heat the water inside the water tank 2, starting the circulating water pump 13 to heat the water through the suction pipe 14, and then inputting it into the water distribution pipe 15, and inputting it into the outer box 1 through multiple water inlet pipes 16, heating the inner cylinder 3, and heating and softening the polyester fiber. The temperature inside the outer box 1 is detected by the water temperature detector 19 to prevent the temperature inside the outer box 1 from being too high. The water is input into the water collecting pipe 18 through the outlet pipe 17 and flows back to the water tank 2. The water flowing back through the water collecting pipe 18 falls into the water tank 2 behind the partition 11, and is reheated by the rear heater 12. The second servo motor 36 is started to drive the rotating plate 37 to rotate through the horizontal axis 35, pushing the water to the front end of the water tank 2 for water recycling.
[0024] The transmission 7, servo motor 8, heater 12, circulating water pump 13, water temperature detector 19, magnetic plate 26, drive motor 34 and second servo motor 36 of the screw extruder of the full-dull polyester composite yarn of the utility model are purchased on the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for creative work by technicians in this field.
[0025] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.
Claims
1. A screw extruder for fully matte polyester composite yarn, characterized in that: The invention comprises an outer box (1), a water tank (2), an inner tube (3) and supporting legs (4), wherein the bottom end of the outer box (1) is fixedly connected to the top end of the water tank (2), the inner tube (3) is installed inside the outer box (1), an extrusion screw (5) is provided inside the inner tube (3), supporting legs (4) are fixedly installed at the four corners of the bottom of the water tank (2), the top of the outer box (1) is connected to a feed hopper (6), the output end of the feed hopper (6) is communicated with the inside of the inner tube (3), a die head (10) is installed at the right end of the inner tube (3), a feed assembly is installed at the top of the inner tube (3), a heating circulation assembly is installed inside the water tank (2), and the input end of the heating circulation assembly is communicated with the inside of the outer box (1).
2. A screw extruder for producing full-dull polyester composite yarn according to claim 1, characterized in that: The feeding assembly comprises a storage barrel (20) and a filter screen (21). The bottom output end of the storage barrel (20) is connected to the input end of the feed hopper (6). A clamping ring is provided on the inner wall of the storage barrel (20), and the filter screen (21) is placed on the clamping ring.
3. The screw extruder for producing full-dull polyester-polyester composite yarn according to claim 2, characterized in that: The middle part of the filter screen (21) is rotatably mounted with a rotating rod (23) through a bearing (22), and a plurality of stirring rods (25) are fixedly mounted on the outer wall of the upper part of the rotating rod (23), and a plurality of magnetic plates (26) are mounted on the stirring rod (25). A sleeve rod (27) is fixedly mounted on the inner wall of the storage barrel (20), and a drive box (28) is fixedly mounted on the right end of the sleeve rod (27). A drive sleeve (29) is rotatably mounted on the upper end of the inner part of the drive box (28) through a support frame (30). A transmission plug (24) is installed at the bottom of the rod (23), and the transmission plug (24) is inserted into the drive sleeve (29). The transmission rod (32) is rotatably installed inside the sleeve rod (27). The input end of the transmission rod (32) is connected to the output end of the drive motor (34). The right end of the transmission rod (32) extends into the drive box (28) and is installed with a transmission bevel gear (33). The lower part of the drive sleeve (29) is installed with a bevel gear (31), and the transmission bevel gear (33) is meshed with the bevel gear (31).
4. The screw extruder for producing full-dull polyester composite yarn according to claim 1, characterized in that: The heating circulation assembly includes two heaters (12), a circulating water pump (13), a water extraction pipe (14), a water distribution pipe (15), a plurality of water inlet pipes (16), a plurality of water outlet pipes (17) and a water collecting pipe (18). A water supply hole is provided at the top right end of the water tank (2). The two heaters (12) are installed at the front and rear ends of the water tank (2). The circulating water pump (13) is fixedly installed at the top left side of the water tank (2). The input end of the circulating water pump (13) is connected to the water extraction pipe (14). The water pumping pipe (14) extends into the bottom end of the water tank (2), the output end of the circulating water pump (13) is connected to the water distribution pipe (15), and the water distribution pipe (15) is connected to a plurality of water inlet pipes (16), the output end of the water inlet pipe (16) is communicated with the interior of the outer box (1), and a plurality of water outlet pipes (17) are evenly connected to the top of the outer box (1), the output end of the water outlet pipe (17) is connected to the input end of the water collecting pipe (18), and the output end of the water collecting pipe (18) extends into the interior of the water tank (2).
5. The screw extruder for producing full-dull polyester-polyester composite yarn according to claim 4, characterized in that: A partition (11) is installed in the middle of the bottom end of the water tank (2), and a horizontal shaft (35) is rotatably installed above the partition (11) inside the water tank (2). The input end of the horizontal shaft (35) is connected to the output end of the second servo motor (36), and a plurality of push rotating plates (37) are evenly installed on the outer wall of the horizontal shaft (35).
6. The screw extruder for producing full-dull polyester composite yarn according to claim 1, characterized in that: The front end of the outer box (1) is connected to a water temperature detector (19), a detection end of the water temperature detector (19) is located inside the outer box (1), and the water temperature detector (19) is electrically connected to the heater (12).
7. The screw extruder for producing full-dull polyester composite yarn according to claim 1, characterized in that: A bracket (9) is connected to the left side wall of the water tank (2), a servo motor (8) is fixedly mounted on the top of the bracket (9), the output end of the servo motor (8) is connected to the input end of the transmission (7), and the output end of the transmission (7) is connected to the input end of the extrusion screw (5).
Citation Information
Patent Citations
Screw extruder is used in processing of dacron silk
CN204936148U