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CN-122013398-A - Device and method for dispersing and treating ultrahigh molecular polyethylene fibers

CN122013398ACN 122013398 ACN122013398 ACN 122013398ACN-122013398-A

Abstract

The invention discloses a dispersion treatment device and a dispersion treatment method for ultra-high molecular polyethylene fibers in the technical field of clothing production equipment, wherein the device comprises a frame and a dispersion treatment cylinder fixedly arranged at the top of the frame, and at least two dispersion cavities are sequentially arranged in the dispersion treatment cylinder along the conveying direction of fiber bundles; the fiber bundle treatment device comprises a dispersing treatment cylinder, a central functional shaft, an outer airflow component, an inner airflow component and an inner airflow component, wherein the dispersing treatment cylinder is arranged in the dispersing treatment cylinder, the central functional shaft is coaxially arranged at the central position of the dispersing treatment cylinder and extends into each dispersing cavity, an annular channel for a fiber bundle to pass through is formed between the central functional shaft and the dispersing treatment cylinder in a surrounding mode, the outer airflow component is sleeved at the position, corresponding to each dispersing cavity, of the outer side wall of the dispersing treatment cylinder, and the inner airflow component is embedded at the position, corresponding to each dispersing cavity, of the inner part of the central functional shaft. The device is fully dispersed without damaging filaments, adopts non-contact type inner and outer bidirectional airflow dispersion, breaks through the limitation of single airflow, and can go deep into the fiber bundle core layer to realize omnibearing three-dimensional unwrapping.

Inventors

  • CHEN YAN
  • MA CHEN
  • DAI PENGCHENG

Assignees

  • 上海高梵科技有限公司

Dates

Publication Date
20260512
Application Date
20260402

Claims (10)

  1. 1. The device for dispersing and treating the ultra-high molecular polyethylene fibers comprises a frame (1) and a dispersing treatment cylinder (2) fixedly arranged at the top of the frame (1), and is characterized in that at least two dispersing cavities (201) are sequentially arranged in the dispersing treatment cylinder (2) along the conveying direction of fiber bundles; The device also comprises a central functional shaft (3), wherein the central functional shaft (3) is coaxially arranged at the central position of the dispersion treatment cylinder (2) and extends into each dispersion cavity (201), and an annular channel for fiber bundles to pass through is formed between the central functional shaft (3) and the dispersion treatment cylinder (2) in a surrounding manner; The outer side wall of the dispersion treatment cylinder (2) is respectively sleeved with an outer airflow component (4) corresponding to the positions of the dispersion cavities (201), and the inner part of the central functional shaft (3) is respectively embedded with an inner airflow component (5) corresponding to the positions of the dispersion cavities (201); the outer airflow component (4) and the inner airflow component (5) are used for jetting airflows to the annular channel so as to perform inner and outer bidirectional dispersion treatment on the fiber bundles.
  2. 2. The device for dispersing and treating the ultra-high molecular polyethylene fiber according to claim 1, wherein two ends of the dispersing and treating cylinder (2) are respectively provided with a feed inlet (202) and a discharge outlet (203), and the outer side wall of the dispersing and treating cylinder (2) is provided with an exhaust outlet (204) corresponding to the downstream end position of each dispersing cavity (201) along the fiber conveying direction; The positions of the dispersion treatment cylinders (2) corresponding to the dispersion cavities (201) are set as expanding sections; The dispersing treatment cylinder (2) is divided into an upper cylinder body and a lower cylinder body along the axial direction, one side edges of the upper cylinder body and the lower cylinder body are mutually hinged, and the other side edges are mutually buckled.
  3. 3. The device for dispersing and treating the ultra-high molecular polyethylene fiber according to claim 1, wherein the two ends of the central functional shaft (3) are integrally formed with conical parts (301); The center function shaft (3) is suspended and supported in the dispersing treatment cylinder (2) through a supporting frame, the supporting frame comprises a plurality of supporting plates (302) uniformly distributed along the circumferential direction, one end of each supporting plate (302) is fixedly connected with the inner wall of the dispersing treatment cylinder (2), and the other end of each supporting plate is fixedly provided with a rubber block (303) which is in butt fit with the outer wall of the center function shaft (3).
  4. 4. The device for dispersing and treating ultra-high molecular polyethylene fibers according to claim 1, wherein the outer air flow assembly (4) comprises at least one first annular pipe (401) and a plurality of first nozzles (402) which are uniformly distributed on each first annular pipe (401) along the circumferential direction, and the nozzles of each first nozzle (402) face to the annular channel and are obliquely arranged at a set angle so that air flow obliquely impacts on the fiber bundles; The inner airflow component (5) comprises at least one second annular pipe (501) and a plurality of second nozzles (502) which are uniformly distributed on each second annular pipe (501) along the circumferential direction, wherein the nozzles of each second nozzle (502) face to the annular channel and are obliquely arranged at a set angle so that airflow obliquely impacts on the fiber bundles.
  5. 5. The device for dispersing and treating the ultra-high molecular polyethylene fiber according to claim 4, wherein the outer airflow component (4) and the inner airflow component (5) which correspond to the same dispersing cavity (201) are opposite in airflow direction; The outer airflow components (4) and the inner airflow components (5) corresponding to the same dispersion cavity (201) are alternately started at intervals so as to form pulse airflow impact in the annular channel.
  6. 6. The device for dispersing and treating the ultra-high molecular polyethylene fiber according to claim 5, wherein the air flows generated by the outer air flow assemblies (4) corresponding to the two adjacent dispersing cavities (201) are opposite in rotation direction; the outer airflow assemblies (4) corresponding to the two adjacent dispersion cavities (201) are alternately started at intervals so as to form pulse airflow impact in the axial direction.
  7. 7. The device for dispersing and treating the ultra-high molecular polyethylene fiber according to claim 6, further comprising a first gas transmission assembly (7) for supplying gas to the external gas flow assemblies (4), wherein the first gas transmission assembly (7) comprises a plurality of first gas transmission pipes (701) which are connected with the external gas flow assemblies (4) in a one-to-one correspondence manner, each first gas transmission pipe (701) is provided with a first electromagnetic valve (702) in series, and the other ends of the first gas transmission pipes (701) are commonly communicated with a first gas transmission main pipe; the device is characterized by further comprising second air conveying components (8) for supplying air to the inner air flow components (5), wherein each second air conveying component (8) comprises a plurality of second air conveying pipes (801) which are connected with the inner air flow components (5) in a one-to-one correspondence manner, each second air conveying pipe (801) is provided with a second electromagnetic valve (802) in series connection, and the other ends of the second air conveying pipes (801) are communicated to a second air conveying main pipe.
  8. 8. The device for dispersing and treating the ultra-high molecular polyethylene fiber according to claim 1, further comprising an ultrasonic assembly (6) for driving the central functional shaft (3) to generate high-frequency vibration, wherein the ultrasonic assembly (6) is arranged outside the dispersing and treating cylinder (2); the ultrasonic assembly (6) comprises an ultrasonic transducer (601) fixedly arranged at the top of the frame (1), an amplitude transformer (602) fixedly arranged at the output end of the ultrasonic transducer (601), and a vibration transmission rod (603) fixedly connected with the tail end of the amplitude transformer (602); The vibration transmission rod (603) penetrates through the wall surface of the dispersion treatment cylinder (2) to extend into the dispersion treatment cylinder, an arc-shaped block (605) abutted to the central functional shaft (3) is fixedly arranged at the tail end of the vibration transmission rod (603), and a rubber sleeve (604) is arranged at the penetrating connection part of the vibration transmission rod (603) and the dispersion treatment cylinder (2) in a sealing mode.
  9. 9. The device for dispersing and treating the ultra-high molecular polyethylene fiber according to claim 1, further comprising an atomization spraying assembly (9) for spraying an auxiliary agent on the surface of the fiber bundle; The atomizing spray assembly (9) comprises a third annular pipe (901) and a plurality of third nozzles (902) which are uniformly distributed on the third annular pipe (901) along the circumferential direction.
  10. 10. A dispersion treatment method of an ultra-high molecular polyethylene fiber, using the dispersion treatment device of an ultra-high molecular polyethylene fiber according to any one of claims 1 to 9, characterized by comprising the steps of: S1, introducing an ultra-high molecular polyethylene fiber bundle to be treated from one end of a dispersion treatment cylinder (2) and penetrating into an annular channel between a central functional shaft (3) and the dispersion treatment cylinder (2); s2, when the fiber bundle advances to the area of the dispersing cavity (201), air flow is sprayed to the outer side of the fiber bundle through the outer air flow component (4), and air flow is sprayed to the inner side of the fiber bundle through the inner air flow component (5), so that an inner and outer bidirectional air flow field is formed, and the fiber bundle is subjected to three-dimensional unwinding; s3, continuously moving the fiber bundles in the annular channel, sequentially carrying out dispersion treatment through each dispersion cavity (201), and finally outputting the fiber bundles from the other end of the dispersion treatment cylinder (2).

Description

Device and method for dispersing and treating ultrahigh molecular polyethylene fibers Technical Field The invention relates to the technical field of clothing production equipment, in particular to a device and a method for dispersing and treating ultrahigh molecular polyethylene fibers. Background In the production of the high-end down jackets at present, a large amount of ultra-high molecular weight polyethylene fibers are adopted to prepare anti-penetration down fabrics, high-strength wear-resistant outer layers and light warm auxiliary materials. The ultra-high molecular weight polyethylene fiber is a tightly-cohesive continuous filament bundle when leaving factories, internal filaments are seriously adhered and entangled, and the problems of uneven fabric, strength loss, easy fuzzing, poor anti-drilling effect and the like easily occur in the processes of weaving, spinning or sewing, so that the ultra-high molecular weight polyethylene fiber must be treated and dispersed, the filaments in the filament bundle are fully loosened, adhesion and entanglement are eliminated, zero damage of the filaments is strictly ensured, and the whole treated filaments still need to be kept in a beam-collecting shape so as to smoothly go on a creel, go on a loom and enter an automatic production line. However, most of the existing dispersion treatment devices are single air flow dispersion or mechanical carding, the air flow action form is single, the air flow can only act on the surface layer of the fiber bundle, the fiber bundle core layer is difficult to permeate, the dispersion uniformity is poor, the mechanical carding is easy to damage the filaments, and the fiber body performance is damaged. Therefore, a device and a method for dispersing and treating the ultra-high molecular polyethylene fiber are provided to solve the problems. Disclosure of Invention The invention aims to provide a dispersion treatment device and a dispersion treatment method for ultra-high molecular polyethylene fibers, which solve the problems that the prior dispersion device is mostly dependent on the traditional mechanical opening mode, and is extremely easy to cause fiber surface scratch and even monofilament fracture in the strong stripping process. The invention realizes the above purpose through the following technical scheme: The device comprises a frame and a dispersion treatment cylinder fixedly arranged at the top of the frame, wherein at least two dispersion cavities are sequentially arranged in the dispersion treatment cylinder along the conveying direction of fiber bundles; The device also comprises a central functional shaft, wherein the central functional shaft is coaxially arranged at the central position of the dispersion treatment cylinder and extends into each dispersion cavity, and an annular channel for the fiber bundles to pass through is formed between the central functional shaft and the dispersion treatment cylinder in a surrounding manner; The outer side wall of the dispersion treatment cylinder is respectively sleeved with an outer airflow component at the position corresponding to each dispersion cavity, and the inner part of the central functional shaft is respectively embedded with an inner airflow component at the position corresponding to each dispersion cavity; The outer air flow component and the inner air flow component are used for spraying air flow to the annular channel so as to perform inner and outer bidirectional dispersion treatment on the fiber bundle. As a further optimization scheme of the invention, two ends of the dispersion treatment cylinder are respectively provided with a feed inlet and a discharge outlet, the outer side wall of the dispersion treatment cylinder is provided with an exhaust gas outlet corresponding to the downstream end position of each dispersion cavity along the fiber conveying direction, the dispersion treatment cylinder is provided with an expanding section at the position corresponding to each dispersion cavity, the dispersion treatment cylinder is axially split into an upper cylinder body and a lower cylinder body, one side edges of the upper cylinder body and one side edge of the lower cylinder body are mutually hinged, and the other side edges of the upper cylinder body and the lower cylinder body are mutually buckled. As a further optimization scheme of the invention, the two ends of the central functional shaft are integrally formed with conical parts, the central functional shaft is suspended and supported in the dispersion treatment cylinder through a supporting frame, the supporting frame comprises a plurality of supporting plates uniformly distributed along the circumferential direction, one end of each supporting plate is fixedly connected with the inner wall of the dispersion treatment cylinder, and the other end of each supporting plate is fixedly provided with a rubber block in abutting fit with the outer wall of the central functional shaft. As a further opti