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CN-122013409-A - Production method of antibacterial fabric

CN122013409ACN 122013409 ACN122013409 ACN 122013409ACN-122013409-A

Abstract

The invention discloses a production method of an antibacterial fabric, which adopts acrylic fiber, modal and nylon as raw materials, and adopts a drawing process after mixing the acrylic fiber, modal and nylon, wherein a drawing cylinder device comprising a twisting cylinder rotating at a high speed and a winding cylinder rotating at a low speed is adopted, so that fiber strips thrown out by a winding disc positioned above are in friction contact with an upper pre-twisting cylinder rotating at a high speed, then the fiber strips are pre-twisted, the rotating and untwisting effects are realized after the middle untwisting cylinder which is kept still, the friction twisting is realized after the fiber strips which are untwisted are finally subjected to the lower twisting cylinder rotating at a high speed, and the fiber in the fiber strips subjected to friction twisting and untwisting at the moment generates an intertwining effect in the transfer process, thereby realizing the twisting effect of the prepared mixed strips in the winding process, further realizing direct processing from sliver to spun yarn, greatly improving the yarn forming efficiency, and realizing high-grade efficient production of the fabric with antibacterial, comfortable, ultraviolet-proof and wear-resistant properties.

Inventors

  • LIU XINJIN
  • SU XUZHONG

Assignees

  • 江南大学

Dates

Publication Date
20260512
Application Date
20260326

Claims (10)

  1. 1. The production method of the antibacterial fabric is characterized by comprising the following steps of: First step, fiber is formed into strips The preparation method comprises the steps of respectively preprocessing acrylic fiber, modal fiber and organic antibacterial nylon fiber, weighing the modal fiber and the nylon, mixing, and re-packaging to obtain a modal/nylon mixing bag with a required mixing proportion; Second step, mixing into yarn Preparing 6-8 acrylic fiber strips and Modal/chinlon strips according to a required mixing ratio by a first drawing, preparing twisted acrylic fiber/Modal/chinlon semi-finished strips with a ration of below 20g/5m by a second drawing, preparing twisted acrylic fiber/Modal/chinlon semi-finished strips with a ration of below 10g/5m by a third drawing, adopting a drawing frame with an intelligent fiber strip twisting and winding system consisting of a winding device and a strip containing device for the second drawing and the third drawing, preparing acrylic fiber/Modal/chinlon blended cop by spinning the acrylic fiber/Modal/chinlon finished strips, and obtaining a bobbin yarn by a spinning yarn; The coiling device comprises a coiling disc, a fiber inlet and a fiber outlet are arranged on the coiling disc, and the coiling disc is driven by a first motor through a first belt; the winding barrel is positioned below the lower twisting barrel, a supporting disc is fixedly arranged at the lower end of the winding barrel, a sliding setting strip placing disc is arranged at the lower end of the winding barrel, the winding barrel is connected with the winding barrel through a connecting spring, the ground plate comprises a fixed chassis, the upper end of the fixed chassis is rotationally connected with a rotating driving ring driven by a third motor through a fourth belt, and a barrel embedding groove is formed in the upper port of the fixed chassis; the fiber strips thrown out by the coiling disc are in friction contact with an upper pre-twisting barrel rotating at a high speed, pre-twisting is generated on the fiber strips, then rotation and untwisting are realized by a static middle untwisting barrel, friction twisting is realized by a lower twisting barrel rotating at a high speed on the untwisted fiber strips, so that the fibers in the fiber strips subjected to friction twisting are intertwined with the untwisted fibers in the transferring process at the moment, and the twisting of the fiber strips is realized; third step, preparing the fabric The acrylic fiber/modal/chinlon blended yarn is subjected to warp beaming and sizing to prepare warp yarns, the warp yarns are directly used as weft yarns, the warp yarns and the weft yarns are woven together to prepare the high-grade antibacterial health-care fabric, and the high-grade antibacterial health-care fabric is prepared through desizing, heat setting, softening and antistatic finishing.
  2. 2. The method for producing the antibacterial fabric according to claim 1, which is characterized in that: the coiling disc is hollow and keeps a closed cylinder shape, a coiling disc connecting port is formed in the center of the upper side surface of the coiling disc, the coiling disc connecting port is of a circular structure, a connecting bearing is arranged in the coiling disc connecting port, the connecting bearing is fixedly embedded in the coiling disc connecting port, the lower side of the connecting bearing is kept horizontal with the lower side of the upper side surface of the coiling disc, the upper side of the connecting bearing extends out of the upper side surface of the coiling disc, the center hollow structure of the connecting bearing is formed, the inner side surface of the center hollow of the connecting bearing is kept smooth, a fiber strip enters a lower port, the upper side of the connecting bearing is fixedly connected with a coiling connecting arm of a drawing frame, the connecting bearing is connected with an end point of the coiling connecting arm of the drawing frame, the fiber enters the upper port at the end point of the coiling connecting arm, the fiber inlet and the fiber inlet are vertically aligned to form a fiber inlet, fiber outlet ports are formed in the lower side face of the coiling disc, the fiber outlet ports are of a circular structure, the number of the fiber outlet ports is 3-8, all the fiber outlet ports are positioned on the same straight line, a connecting line between all the fiber outlet ports passes through the circle center of the lower side face of the coiling disc, a certain interval is kept between the innermost fiber outlet port and the circle center of the lower side face of the coiling disc, all the fiber outlet ports are distributed at equal intervals, a first driving groove is formed in the circumferential direction of the side face of the coiling disc, the coiling disc is driven to rotate by a first motor through a first belt, the first belt is of an annular structure, and the first belt is driven to rotate by the first motor after bypassing the first driving groove of the coiling disc.
  3. 3. The method for producing an antibacterial fabric according to claim 1, wherein the upper pre-twisting barrel, the middle untwisting barrel and the lower twisting barrel are all hollow cylinders with variable diameters and open at the upper end and the lower end; the diameter of the upper pre-twisting barrel is gradually increased from the upper port to the lower port, the diameter of the middle pre-twisting barrel is gradually increased from the upper port to the lower port, the diameter of the upper port of the middle pre-twisting barrel is the same as the diameter of the lower port of the upper pre-twisting barrel, the diameter of the upper port of the lower twisting barrel is gradually increased from the upper port to the lower port, the diameter of the upper port of the lower twisting barrel is the same as the diameter of the lower port of the middle pre-twisting barrel, the heights of the upper pre-twisting barrel and the lower twisting barrel are the same, the height of the middle pre-twisting barrel is smaller than that of the upper pre-twisting barrel and the lower twisting barrel, the side wall of a circular surface opened at the lower end of the upper pre-twisting barrel is connected with the side wall of a circular surface opened at the upper end of the middle pre-twisting barrel through a first connecting bearing, a second driving groove is formed in the circumferential direction of the side surface of the upper pre-twisting barrel and the side surface of the lower twisting barrel is the lower twisting barrel, the second driving groove is formed in the circumferential direction of the side surface of the upper pre-twisting barrel is the lower twisting barrel, the side surface of the upper pre-twisting barrel is driven by a second driving motor driving belt, and the second driving belt drives the upper twisting barrel to rotate by the second driving belt in the circumferential direction.
  4. 4. The method of claim 1, wherein the inner side surfaces of the upper pre-twisting barrel and the lower twisting barrel are provided with the same friction coating, so that the inner side surfaces of the upper pre-twisting barrel and the lower twisting barrel have a certain friction force, and the inner side surfaces of the middle untwisting barrel are kept smooth.
  5. 5. The method of producing an antibacterial fabric according to claim 1, wherein the winding barrel is hollow and has a cylindrical shape with an opened upper end and a closed lower end, the diameter of the winding barrel is the same as the diameter of the lower end of the lower twisting barrel, the height of the winding barrel is 10 times greater than the heights of the upper pre-twisting barrel and the lower twisting barrel, the side wall of the circular surface with the opened lower end of the lower twisting barrel is connected with the side wall of the circular surface with the opened upper end of the winding barrel through a third connecting bearing, and the inner side surface of the winding barrel is kept smooth.
  6. 6. The method for producing the antibacterial fabric according to claim 1, which is characterized in that: a supporting disc is arranged in the winding barrel, the supporting disc is of a circular structure, the supporting disc is fixedly connected with the inner side surface of the lower end of the winding barrel, a first embedded groove and a second embedded groove which are identical in structure are formed in the inner side surface of the winding barrel above the supporting disc, the first embedded groove and the second embedded groove are arranged along the height direction of the inner side surface of the winding barrel, a horizontal connecting line between the first embedded groove and the second embedded groove passes through the center of the winding barrel, a strip placing disc is arranged above the supporting disc, the strip placing disc is of a circular structure, a first embedded pin and a second embedded pin which are identical in structure are arranged on the side surface of the strip placing disc, the horizontal connecting line between first embedded pin and the second embedded pin is through putting the center of strip dish, the geometry of first embedded pin and second embedded pin is the same with the geometry of first embedded groove and second embedded groove, put strip dish setting and put strip dish and the last port of coiling strip dish when the support dish compresses the connecting spring under self gravity, the complete embedding of first embedded pin is in first embedded groove, the complete embedding of second embedded pin is in the second embedded groove, be provided with connecting spring between putting strip dish and supporting disk, fixedly connected between connecting spring's upper end and the downside of putting the strip dish, fixedly connected between connecting spring's the lower extreme and the upside of supporting disk, and keep the level between the last port of putting strip dish and coiling strip dish.
  7. 7. The method of manufacturing an antibacterial fabric according to claim 1, wherein the ground is disposed in a pit, the pit is cylindrical with a certain depth, the ground comprises a fixed chassis, the fixed chassis is a circular plate, the fixed chassis is fixedly disposed in the pit, a passive rotation embedded groove is disposed along the outer circumference of the upper side of the fixed disk, the upper side of the passive rotation embedded groove is kept horizontal with the upper side of the fixed disk, a certain distance is kept between the bottom of the passive rotation embedded groove and the lower side of the fixed disk, balls are disposed in the passive rotation embedded groove, the diameter of each ball is smaller than the height of the passive rotation embedded groove, the balls are arranged in the passive rotation embedded groove at a certain radian interval, the arc length of the interval between two adjacent balls in the passive rotation embedded groove is smaller than the radius of each ball, and a rotation belt ring is disposed in the passive rotation embedded groove located at the upper part of each ball.
  8. 8. The method for producing an antibacterial fabric according to claim 7, characterized in that: the rotary driving ring is of a circular ring structure with a certain thickness, the thickness of the rotary driving ring is smaller than the width of the rotary embedding groove, the height of the rotary driving ring is larger than the height of the fixed disc, the rotary driving ring is provided with an active rotary embedding groove along the circumferential direction of the lower end of the rotary driving ring, the lower end of the rotary driving ring is embedded into the passive rotary embedding groove, the active rotary embedding groove of the rotary driving ring presses on the balls, the balls are respectively embedded into the active rotary embedding groove of the rotary driving ring and the passive rotary embedding groove of the fixed disc, the upper end of the rotary driving ring extends out of the passive rotary embedding groove of the fixed disc, the width of the strip embedding groove is larger than the thickness of the wall of the wound strip, the outer diameter of the rotary driving ring is larger than the outer diameter of the wound strip drum, the periphery of the side face of the passive rotary driving ring extending out of the fixed disc is provided with a fourth driving groove, the rotary driving ring is driven by a third motor to rotate through a fourth belt, and the fourth belt is of an annular structure, and the fourth belt is driven by the third motor to rotate after bypassing the fourth motor.
  9. 9. The method of claim 1, wherein the upper pre-twisting barrel and the lower twisting barrel rotate at a speed greater than the rotating speed of the coiling disc, and the rotating speed of the coiling disc is greater than the rotating speed of the rotating driving ring.
  10. 10. The method for producing the antibacterial fabric according to claim 1, which is characterized in that: The winding disc rotates to drive fiber strips entering from the fiber inlet and output from the fiber outlet to synchronously rotate, the fiber strips are output from the winding disc in the rotating process, the output fiber strips generate centrifugal force which is thrown outwards under the rotation of the winding disc, the fiber strips output from the winding disc are thrown to an upper pre-twisting barrel, one side of the fiber strips contacts with the inner side wall of the upper pre-twisting barrel with a certain acting force, a pre-twisting point is formed at the contact point between the fiber strips and the upper pre-twisting barrel, the friction force is generated on the fiber strips at the pre-twisting point by the upper pre-twisting barrel rotating at a high speed, and the fiber in the fiber strips is driven to perform pre-twisting along the axial direction of the fiber strips under the action of the friction force, so that the pre-twisting effect is generated on the fiber strips at the pre-twisting point; The pre-twisted fiber strips rapidly fall into a middle untwisting barrel, due to the high-speed rotation of the upper untwisting barrel and the diameter arrangement of the upper untwisting barrel, the untwisting points of the fiber strips are only distributed in a semicircular arc along the axial circumference, the fiber strips falling into the middle untwisting barrel generate corresponding untwisting action at the untwisting points due to the friction force of the upper untwisting barrel, the fibers at the untwisting points are untwisted axially and rotated in the opposite direction to the untwisting rotation direction under the untwisting action, and on the other hand, the fiber strips are axially and integrally rotated in the untwisting process, and the untwisting points are overturned from the side, which is positioned on the fiber strips and is abutted against the upper untwisting barrel, to the side, which is opposite to the untwisting barrel under the integral rotation of the fiber strips; The fiber strip rapidly falls into the lower twisting barrel in the untwisting process, one side of the fiber strip is contacted with the inner side wall of the lower twisting barrel by a certain acting force due to the centrifugal force action of incomplete disappearance of the fiber strip, the twisting points of the fiber strip and the lower twisting barrel are distributed in other semicircular arcs along the axial circumference, the pretwisting points and the twisting points are distributed along the axial direction of the fiber strip and do not completely coincide, the lower twisting barrel rotating at high speed generates friction acting force on the fiber strip at the twisting points, the fiber in the fiber strip is driven to perform twisting rotation along the axial direction of the fiber strip under the action of friction force, the fiber in the fiber strip is made to perform twisting rotation along the axial direction of the fiber strip under the twisting rotation action, and the twisting rotation direction of the fiber strip is opposite to the twisting rotation direction of the fiber, so that the twisted fiber and the fiber still performing untwisting rotation perform mutual intertwisting action, and the fiber strip obtains twist in the fiber intertwisting process.

Description

Production method of antibacterial fabric Technical Field The invention relates to the new technical field of spinning, in particular to a production method of an antibacterial fabric. Background In the textile industry, the quality and characteristics of the yarn directly affect the comfort and durability of the final product. Acrylic fiber has excellent light resistance and antibacterial ability due to its unique acrylonitrile copolymer structure, modal fiber is known for its regenerated cellulose source, good moisture absorption and air permeability and dimensional stability, and nylon (nylon) is known for its high strength, strong abrasion resistance and excellent mechanical properties. The sliver is one of the most important semi-finished products in the spinning process, and relates to three working procedures of carding, combing and drawing, the sliver manufactured in the production process needs to be orderly wound in a sliver can with a certain diameter, the sliver winding process is realized by the cooperative rotation of a sliver winding disc and the sliver can, which are required by an output mechanism of the sliver in the sliver winding process, and the sliver is continuously wound in the sliver can according to a certain elliptic structure and is not completely overlapped with each other through the cooperative rotation of the sliver and the sliver. The fiber strip winding process is directly wound, so that the generated fiber strip is not twisted, namely the obtained fiber strip is untwisted, and then the interaction force between fibers in the fiber strip is small, so that the fiber strip is easy to produce unexpected stretching in the feeding process of the subsequent roving process, the roving quality is influenced, and meanwhile, the internal friction force field formed between fibers of the fiber strip fed into the drafting system of the roving frame is weak due to the untwisting of the fiber strip, so that the fiber strip cannot undergo large drafting in the drafting process of the roving, the drafting efficiency of the roving is influenced, and the production efficiency of the whole spinning process is influenced. Disclosure of Invention The invention aims to provide a production method of an antibacterial fabric, which selects acrylic fibers, modal fibers and chinlon fibers as raw materials, adopts a barrel device comprising a twisting barrel rotating at a high speed and a winding barrel rotating at a low speed in the drawing process of mixing the acrylic fibers, the modal fibers and chinlon fibers, realizes twisting effect of the prepared mixed barrel in the winding process, and then realizes direct processing from sliver to spun yarn, and greatly improves yarn forming efficiency, thereby realizing high-efficiency production of high-grade fabric with antibacterial, comfortable, ultraviolet-resistant and wear-resistant characteristics. The invention provides a production method of an antibacterial fabric, which comprises the following steps: First step, fiber is formed into strips The preparation method comprises the steps of respectively preprocessing acrylic fiber, modal fiber and organic antibacterial nylon fiber, weighing the modal fiber and the nylon, mixing, and re-packaging to obtain a modal/nylon mixing bag with a required mixing proportion; Second step, mixing into yarn Preparing 6-8 acrylic fiber strips and Modal/chinlon strips according to a required mixing ratio by a first drawing, preparing twisted acrylic fiber/Modal/chinlon semi-finished strips with a ration of below 20g/5m by a second drawing, preparing twisted acrylic fiber/Modal/chinlon semi-finished strips with a ration of below 10g/5m by a third drawing, adopting a drawing frame with an intelligent fiber strip twisting and winding system consisting of a winding device and a strip containing device for the second drawing and the third drawing, preparing acrylic fiber/Modal/chinlon blended cop by spinning the acrylic fiber/Modal/chinlon finished strips, and obtaining a bobbin yarn by a spinning yarn; The coiling device comprises a coiling disc, a fiber inlet and a fiber outlet are arranged on the coiling disc, and the coiling disc is driven by a first motor through a first belt; the winding barrel is positioned below the lower twisting barrel, a supporting disc is fixedly arranged at the lower end of the winding barrel, a sliding setting strip placing disc is arranged at the lower end of the winding barrel, the winding barrel is connected with the winding barrel through a connecting spring, the ground plate comprises a fixed chassis, the upper end of the fixed chassis is rotationally connected with a rotating driving ring driven by a third motor through a fourth belt, and a barrel embedding groove is formed in the upper port of the fixed chassis; the fiber strips thrown out by the coiling disc are in friction contact with an upper pre-twisting barrel rotating at a high speed, pre-twisting is generated on the fiber st