Polyester staple fiber spinning device

Abstract

The utility model relates to the technical field of production and processing equipment, and provides a polyester staple fiber spinning device which comprises a hopper, a screw extruder is arranged at the bottom of the hopper, a spraying plate is arranged on the inner surface of the screw extruder, a plurality of slotted holes are formed in the outer surface of the spraying plate, two sliding grooves are formed in the inner surfaces of the slotted holes, and the two sliding grooves are communicated with the hopper. Multiple slotted holes are formed in the inner surface of the spraying plate, spraying pipes are movably embedded in the inner surfaces of the multiple slotted holes, two sliding blocks are fixedly connected to the outer surfaces of the multiple spraying pipes, multiple tooth grooves are formed in the outer surfaces of the multiple spraying pipes, multiple first rotating shafts are movably embedded in the inner surface of the spraying plate, and gears are fixedly mounted on the outer surfaces of the multiple first rotating shafts; the self-cleaning capacity of the spray pipe is improved through rotation of the spray pipe, blockage of an outlet of the spray pipe is avoided through pulse blowing, the production efficiency is guaranteed to a certain extent, the frequency of shutdown for cleaning the spray pipe is reduced, the labor intensity of workers for cleaning the spray pipe is reduced, and the product quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of production and processing equipment, in particular to a polyester staple fiber spinning device. Background Art

[0002] The polyester staple fiber spinneret plays a key role in converting molten polyester polymer into fibers in polyester fiber production. Through the design and control of the spinneret, precise regulation of fiber diameter, morphology, strength, etc. can be achieved, thereby producing high-quality polyester staple fibers.

[0003] Although current technology has many advantages, its disadvantage is that the raw materials need to be heated into a molten state, but the insulation materials used in the spinneret may have performance differences, resulting in more heat loss in certain areas, thereby affecting the overall temperature consistency, and then causing the product to be heated unevenly. Excessively high temperature may cause the polymer to decompose, forming low molecular weight substances and charred products. These substances will adhere to the inner wall of the spray plate and cause blockage. Excessively low temperature will lead to poor polymer fluidity, and some materials will not be able to pass through the spray plate smoothly, thereby accumulating and eventually clogging the spinneret holes on the spray plate. Nozzle plate blockage will reduce the spinning speed and reduce the output of the fiber, which will directly affect the production capacity of the production line and lead to a decrease in output. In addition, blockage may cause uneven fiber diameter, resulting in changes in physical properties such as fiber strength, softness, and glossiness, affecting the quality of the final product. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a polyester staple fiber spinning device to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a polyester staple fiber spinning device, comprising: a hopper, a screw extruder is provided at the bottom of the hopper, a nozzle plate is provided on the inner surface of the screw extruder, a plurality of slots are provided on the outer surface of the nozzle plate, a plurality of slots are provided on the inner surfaces of the plurality of slots, a nozzle is movably embedded in the inner surfaces of the plurality of slots, a plurality of nozzles are fixedly connected to two sliders on the outer surfaces of the plurality of nozzles, a plurality of tooth grooves are provided on the outer surfaces of the plurality of nozzles, a plurality of rotating shafts are movably embedded in the inner surface of the nozzle plate, a plurality of rotating shafts are fixedly installed with gears on the outer surfaces of the plurality of rotating shafts, and one of the rotating shafts is provided with a plurality of tooth grooves. A pulley two is fixedly mounted on the outer surface of shaft one, a transmission belt is connected to the outer surface of pulley two, a transmission belt is connected to the inner surface of the transmission belt, a rotating shaft two is fixedly mounted on the inner surface of pulley one, a motor is provided on the outer surface of rotating shaft two, a support plate is fixedly connected to the bottom of the motor, a cam is fixedly mounted on the outer surface of rotating shaft two, and a blowing mechanism is provided on the outer surface of the spray plate, which utilizes the rotation of the nozzle to improve the self-cleaning ability of the nozzle, and utilizes pulse blowing to avoid blockage of the nozzle outlet, thereby ensuring production efficiency to a certain extent, reducing the frequency of stopping to clean the nozzle, and thereby reducing the labor intensity of employees cleaning the nozzle.

[0006] As a preferred embodiment, the blowing mechanism includes a plurality of blowing pipes, which are fixedly connected to the outer surface of the spray plate, a gas channel is provided on the inner surface of the spray plate, an air inlet pipe is fixedly connected to the outer surface of the spray plate, a limiting groove is provided on the side of the spray plate close to the air inlet pipe, a driving rod is movably embedded in the inner surface of the limiting groove, a blocking block is fixedly connected to the outer surface of the driving rod, two springs and a telescopic rod are fixedly connected to the bottom of the blocking block, a working groove is provided on the side of the spray plate close to the blocking block, and the nozzle can spray out pulsed airflow, so that periodic flow field disturbances are generated at the nozzle outlet, thereby destroying the stable deposition layer of material formed at the nozzle outlet.

[0007] As a preferred embodiment, the plurality of sliders are movably embedded in the inner surfaces of the plurality of slide grooves, the support plate is fixedly connected to the outer surface of the spray plate, and the second rotating shaft is movably embedded in the inner surface of the spray plate. The slide groove can limit the movement trajectory of the slider to prevent the slider from derailing.

[0008] As a preferred embodiment, the two springs are fixedly connected to the inner surface of the working groove, the two springs are movably sleeved on the outer surfaces of the two telescopic rods, the two telescopic rods are movably embedded in the inner surface of the spray plate, and the block is movably embedded in the inner surface of the working groove. The working groove can limit the moving trajectory of the block and avoid excessive movement of the block.

[0009] Compared with the prior art, the advantages and positive effects of the present invention are:

[0010] The utility model utilizes the rotation of the nozzle to continuously change the contact position between the material and the inner wall of the nozzle, so that any material that may be deposited is washed away by new material, thereby improving the self-cleaning ability of the nozzle, and then utilizes pulse blowing to generate periodic flow field disturbance at the nozzle outlet. This disturbance can destroy the stable deposition layer formed by the material at the nozzle outlet, thereby preventing blockage. In the spinning process, the pulse blowing can provide sufficient kinetic energy to prevent the melt from solidifying or coking at the nozzle outlet, thereby further avoiding blockage, ensuring production efficiency to a certain extent, reducing the frequency of stopping to clean the nozzle, thereby reducing the labor intensity of employees cleaning the nozzle, and ensuring product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the main structure of a polyester staple fiber spinning device provided by the utility model;

[0012] Figure 2 This is a schematic diagram of the position structure of the limiting groove of a polyester staple fiber spinning device provided by the utility model;

[0013] Figure 3 This is a schematic diagram of the position structure of a rotating shaft of a polyester staple fiber spinning device provided by the present invention;

[0014] Figure 4 This is a schematic diagram of the gas channel position structure of a polyester staple fiber spinning device provided by the utility model;

[0015] Figure 5 This is a schematic diagram of the second position structure of the rotating shaft of a polyester staple fiber spinning device provided by the present invention;

[0016] Figure 6 This is a partial structural diagram of a polyester staple fiber spinning device provided by the utility model;

[0017] Figure 7 The utility model provides a polyester staple fiber spinning device Figure 3 Schematic diagram of the enlarged structure at point A in the middle.

[0018] Legend:

[0019] 1. Hopper; 2. Screw extruder; 3. Spray plate; 4. Slot; 5. Chute; 6. Slider; 7. Spray pipe; 8. Tooth groove; 9. Rotating shaft 1; 10. Gear; 11. Pulley 2; 12. Support plate; 13. Motor; 14. Rotating shaft 2; 15. Pulley 1; 16. Transmission belt; 17. Gas channel; 18. Spray pipe; 19. Inlet pipe; 20. Block; 21. Drive rod; 22. Spring; 23. Telescopic rod; 24. Working groove; 25. Limit groove; 26. Cam. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-7 The utility model provides a technical solution: a polyester staple fiber spinning device, comprising: a hopper 1, a screw extruder 2 is provided at the bottom of the hopper 1, a nozzle plate 3 is provided on the inner surface of the screw extruder 2, a plurality of slots 4 are provided on the outer surface of the nozzle plate 3, two slide grooves 5 are provided on the inner surfaces of the plurality of slots 4, nozzles 7 are movably embedded in the inner surfaces of the plurality of nozzles 7, two sliders 6 are fixedly connected to the outer surfaces of the plurality of nozzles 7, a plurality of tooth grooves 8 are provided on the outer surfaces of the plurality of nozzles 7, a plurality of rotating shafts 9 are movably embedded in the inner surface of the nozzle plate 3, gears 10 are fixedly installed on the outer surfaces of the plurality of rotating shafts 9, and a pulley 11 is fixedly installed on the outer surface of one of the rotating shafts 9. The outer surface of pulley 2 11 is connected to transmission belt 16, the inner surface of transmission belt 16 is connected to pulley 15, the inner surface of pulley 15 is fixedly installed with rotating shaft 2 14, the outer surface of rotating shaft 2 14 is provided with motor 13, the bottom of motor 13 is fixedly connected to support plate 12, the outer surface of rotating shaft 2 14 is fixedly installed with cam 26, the outer surface of spray plate 3 is provided with blowing mechanism, the rotation of nozzle 7 is utilized to improve the self-cleaning ability of nozzle 7, and pulse blowing is utilized to avoid clogging of nozzle 7 outlet, thereby ensuring production efficiency to a certain extent, reducing the frequency of stopping to clean nozzle 7, thereby reducing the labor intensity of employees cleaning nozzle 7, and ensuring product quality.

[0022] like Figure 1-7 As shown, the blowing mechanism includes a plurality of blowing pipes 18, which are fixedly connected to the outer surface of the nozzle plate 3, and a gas channel 17 is provided on the inner surface of the nozzle plate 3. The outer surface of the nozzle plate 3 is fixedly connected to the air inlet pipe 19, and a limiting groove 25 is provided on the side of the nozzle plate 3 close to the air inlet pipe 19. A driving rod 21 is movably embedded in the inner surface of the limiting groove 25, and a blocking block 20 is fixedly connected to the outer surface of the driving rod 21. Two springs 22 and a telescopic rod 23 are fixedly connected to the bottom of the blocking block 20. A working groove 24 is provided on the side of the nozzle plate 3 close to the blocking block 20. The nozzle 7 can spray out a pulsed airflow, so that periodic flow field disturbances are generated at the outlet of the nozzle 7, thereby destroying the stable deposition layer of the material formed at the outlet of the nozzle 7 and preventing the nozzle 7 from being blocked.

[0023] like Figure 1-7As shown, multiple sliders 6 are movably embedded in the inner surfaces of multiple slide grooves 5, the support plate 12 is fixedly connected to the outer surface of the spray plate 3, and the rotating shaft 14 is movably embedded in the inner surface of the spray plate 3. The slide groove 5 can limit the movement trajectory of the slider 6 to prevent the slider 6 from derailing and affecting the normal use of the equipment.

[0024] like Figure 1-7 As shown, the two springs 22 are fixedly connected to the inner surface of the working groove 24, the two springs 22 are movably sleeved on the outer surfaces of the two telescopic rods 23, the two telescopic rods 23 are movably embedded in the inner surface of the spray plate 3, and the block 20 is movably embedded in the inner surface of the working groove 24. The working groove 24 can limit the movement trajectory of the block 20, thereby avoiding excessive movement of the block 20, which causes the equipment to be unable to maintain a normal working state.

[0025] Working principle: This equipment is a polyester staple fiber spinning device. When in use, the support plate 12 can support the motor 13, start the motor 13, and the motor 13 drives the rotating shaft 2 14 to rotate through the output shaft. The rotating shaft 2 14 drives the pulley 2 15 and the cam 26 to rotate. The pulley 2 15 drives the pulley 11 to rotate through the transmission belt 16. The pulley 11 drives one of the rotating shafts 19 to rotate, and one of the rotating shafts 9 drives one of the gears 10 to rotate. Because the tooth groove 8 on the nozzle 7 is engaged with the gear 10, when one of the gears 10 rotates, it can drive the adjacent nozzle 7 to rotate inside the slot 4 on the nozzle plate 3. Then, the tooth groove 8 on the nozzle 7 is engaged with the gear 10, and then multiple nozzles 7 rotate inside the slot 4 on the nozzle plate 3. At the same time, the nozzle 7 drives the slider 6 to rotate on the inner surface of the slide 5, and then the air intake pipe 19 is connected to the compressed air source, and then the compressed air will enter the air intake pipe 19. When the cam 26 rotates, it will dial The driving rod 21 is moved, causing the driving rod 21 to move linearly upward on the inner surface of the limiting groove 25, causing the block 20 to move upward due to the driving rod 21. When the block 20 moves upward inside the working groove 24, the spring 22 and the telescopic rod 23 are stretched, so that the spring 22 obtains elastic potential energy. At this time, the block 20 is blocked in the gas channel 17, and the compressed air in the gas channel 17 is less, and the compressed air pressure in the intake pipe 19 is greater than the pressure of the compressed air in the gas channel 17, preparing to clean the nozzle 7. When the cam 26 is not moved, the spring 22 releases the elastic potential energy, causing the block 20 to move downward. At this time, a large amount of compressed air will quickly pass through the gas channel 17 and finally be ejected from the blowpipe 18. Intermittent high-speed airflow is used to simulate pulse blowing to clean the outlet of the nozzle 7. Then the raw material is introduced into the hopper 1, the raw material is heated to make the material molten, and then the screw extruder 2 is used to squeeze the molten raw material to the spray plate 3, and then ejected from the nozzle 7.

[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A polyester staple fiber spinning device, comprising: A hopper (1) is characterized in that: a screw extruder (2) is provided at the bottom of the hopper (1), a spray plate (3) is provided on the inner surface of the screw extruder (2), a plurality of slots (4) are provided on the outer surface of the spray plate (3), two slide grooves (5) are provided on the inner surfaces of the plurality of slots (4), a nozzle (7) is movably embedded in the inner surfaces of the plurality of slots (4), two sliders (6) are fixedly connected to the outer surfaces of the plurality of nozzles (7), a plurality of tooth grooves (8) are provided on the outer surfaces of the plurality of nozzles (7), a plurality of rotating shafts (9) are movably embedded in the inner surface of the spray plate (3), and the plurality of rotating shafts (9) are provided with a plurality of tooth grooves (8). The outer surfaces are all fixedly mounted with gears (10), the outer surface of one of the rotating shafts (9) is fixedly mounted with a pulley (11), the outer surface of the pulley (11) is connected to a transmission belt (16), the inner surface of the transmission belt (16) is connected to a pulley (15), the inner surface of the pulley (15) is fixedly mounted with a rotating shaft (14), the outer surface of the rotating shaft (14) is provided with a motor (13), the bottom of the motor (13) is fixedly connected to a support plate (12), the outer surface of the rotating shaft (14) is fixedly mounted with a cam (26), and the outer surface of the spray plate (3) is provided with a spraying mechanism.

2. A polyester staple fiber spinning device according to claim 1, characterized in that: The blowing mechanism comprises a plurality of blowing pipes (18), wherein the plurality of blowing pipes (18) are fixedly connected to the outer surface of the spray plate (3), the inner surface of the spray plate (3) is provided with a gas channel (17), the outer surface of the spray plate (3) is fixedly connected to an air intake pipe (19), a limiting groove (25) is provided on a side of the spray plate (3) close to the air intake pipe (19), a driving rod (21) is movably embedded in the inner surface of the limiting groove (25), a blocking block (20) is fixedly connected to the outer surface of the driving rod (21), two springs (22) and a telescopic rod (23) are fixedly connected to the bottom of the blocking block (20), and a working groove (24) is provided on a side of the spray plate (3) close to the blocking block (20).

3. The polyester staple fiber spinning device according to claim 1, characterized in that: The plurality of sliders (6) are movably embedded in the inner surfaces of the plurality of slide grooves (5), the support plate (12) is fixedly connected to the outer surface of the spray plate (3), and the second rotating shaft (14) is movably embedded in the inner surface of the spray plate (3).

4. The polyester staple fiber spinning device according to claim 2, characterized in that: The two springs (22) are fixedly connected to the inner surface of the working groove (24), the two springs (22) are movably sleeved on the outer surfaces of the two telescopic rods (23), the two telescopic rods (23) are movably embedded in the inner surface of the spray plate (3), and the blocking block (20) is movably embedded in the inner surface of the working groove (24).

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