Production method and production equipment for mite-proof and antibacterial island-in-the-sea superfine fiber

Abstract

The production method and production equipment of mite-proof and antibacterial island-insea ultrafine fibers of the present invention belong to the technical field of impregnation finishing of fiber fabrics. By adding antibacterial agents and acaricides in supercritical carbon dioxide fluid, the functional treatment of island-insea ultrafine fibers is realized, so that the produced ultrafine fibers have antibacterial and acaricidal functions. In order to guide and surface-treat the fabric well when performing surface treatment on the fabric surface in supercritical carbon dioxide fluid, a number of finishing guide roller groups are arranged in the return channel. The finishing guide roller group includes a parallelogram adjustment frame and a number of spraying rollers arranged on the long rods of the parallelogram adjustment frame. The island-insea ultrafine fiber fabric to be treated is wound around the spraying rollers in a staggered winding manner. The front and back sides of the fabric are impregnated by the transverse movement of the spraying rollers on the island-insea ultrafine fiber fabric to be treated, and the impregnation is more comprehensive and efficient.

Description

Technical Field

[0001] The present invention relates to the technical field of fiber fabric impregnation finishing, and particularly relates to a production method and production equipment for mite-proof and antibacterial islands-in-the-sea ultrafine fibers. Background Art

[0002] Due to problems such as being green, environmentally friendly, and having low operating costs, supercritical fluid technology has been widely applied in fields such as fiber fabric dyeing. In supercritical fluids, since carbon dioxide does not support combustion, is non-toxic, non-corrosive, and has safe properties, it is also a good solvent in the supercritical state. In addition, the supercritical temperature and pressure of carbon dioxide are relatively low (temperature is 31.1 °C, pressure is 7.4 MPa), which makes carbon dioxide stand out among many supercritical fluids. In the prior art, for example, Patent Document 1 (CN117779379A) discloses an antibacterial and ultraviolet finishing device and finishing method for linen fibers using supercritical carbon dioxide. It realizes the ultraviolet resistance finishing of linen fibers by introducing an ultraviolet resistance finishing agent into the finishing kettle. However, it places the linen fibers in the inner cylinder of the finishing kettle and sets a stirrer at the bottom of the inner cylinder to achieve the permeability of the ultraviolet resistance finishing agent, which improves the uniformity of the ultraviolet resistance finishing to a certain extent. However, since the fibers are placed as a whole in the inner cylinder of the finishing kettle, it will inevitably result in poor dyeing effect of the fibers, and the treated fibers may also be entangled together, affecting the fiber quality. Another example is Patent Document 2 (CN118773857A) which discloses a supercritical anhydrous overflow dyeing and printing device, system, and use. It separately sets the reaction part and the dyeing and printing part of the supercritical fluid, and realizes the dyeing and printing of the textile in the atmospheric-pressure reaction kettle through the rod holes on the overflow output rod, enabling sewage supercritical dyeing of the textile in an atmospheric-pressure environment. However, the dyeing and printing channel where the textile is located is a loop channel, and the textile is directly set in the loop channel. It will be entangled together due to twisting and the like during the movement of the fabric, which not only affects the dyeing of the textile but also may cause the dyed textile to be knotted together. Finally, Patent Document 3 (CN103866515A) discloses a supercritical fluid spraying injector for spraying. It sprays the supercritical fluid onto the surface of the object to be dyed through the injector, and then the object to be dyed is wound around the dyeing roller. The supercritical fluid passes through the dyeing roller and is collected by the reflux pipe for reflux. Since the dyeing rollers are arranged in an interspersed manner, it can dye both sides of the fabric. However, the object to be dyed moves in the fairing guided by the guide roller, and there is a defect of dye leakage.

[0003] In summary, in the prior art, for fiber fabrics, there has already been a method of impregnating the fabric by dissolving the corresponding finishing liquid with supercritical carbon dioxide fluid. However, in all these methods, the fabric is placed in an impregnation kettle for cyclic impregnation, and there is no device that can directly wind the impregnated fabric and can also guide the fabric well during impregnation. Therefore, the present invention provides a production method and production equipment for bicomponent microfiber that can be carried out in a closed impregnation kettle, can guide the fabric well, can automatically wind the fabric after the fabric is impregnated to a certain extent to meet the impregnation requirements, can complete the impregnation in a closed impregnation kettle, can impregnate multiple rolls of fabric simultaneously, and can carry out mite-proof and antibacterial treatments both inside the fiber and in post-finishing. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a production method for mite-proof and antibacterial bicomponent microfiber. The steps of the production method include:

[0005] Melt spinning:

[0006] I. Mix and melt-spin nylon and polyethylene to obtain sea-island type microfiber;

[0007] II. Preparation of bicomponent microfiber fabric:

[0008] Open, card, lay, and needle the sea-island type microfiber to obtain non-woven fabric. After ironing and heat-setting the non-woven fabric, impregnate it with polyurethane resin, then use a dimethylformamide aqueous solution to solidify the polyurethane resin, and then displace the dimethylformamide. Extract the low-density polyethylene in the sea-island type microfiber with toluene solution to obtain the bicomponent microfiber fabric;

[0009] III. Post-treatment by impregnating the fabric with a mite-proof and antibacterial finishing agent using supercritical carbon dioxide fluid:

[0010] Add antibacterial agents and acaricides into the medicine tank of the high-pressure equipment, expel air, introduce carbon dioxide, and raise the pressure inside the container to 8 - 30 MPa at 32 - 120 °C to obtain a high-pressure supercritical fluid. Then, introduce the high-pressure supercritical fluid into an atmospheric-pressure reaction kettle. The atmospheric-pressure reaction kettle includes an inner rectangular frame, an outer rectangular frame, and front and rear plates arranged on the front and rear sides of the inner and outer rectangular frames. A rectangular channel is formed by the front and rear plates, the inner rectangular frame, and the outer rectangular frame. A space for accommodating a winding and unwinding roller group is formed by the front and rear plates and the inner rectangular frame. A number of finishing and guiding roller groups are arranged in the rectangular channel. The islands-in-the-sea ultrafine fiber fabric is wound around the finishing and guiding roller groups, and both ends of the islands-in-the-sea ultrafine fiber fabric are arranged on the winding and unwinding roller group. The high-pressure supercritical fluid is introduced into the finishing and guiding roller groups and sprayed out from the finishing and guiding roller groups to perform post-treatment impregnation on the islands-in-the-sea ultrafine fiber fabric. The winding and unwinding roller group operates to wind up the impregnated islands-in-the-sea ultrafine fiber fabric and simultaneously release the islands-in-the-sea ultrafine fiber fabric to be impregnated until the entire islands-in-the-sea ultrafine fiber fabric is completely impregnated.

[0011] Preferably, when performing melt spinning, an anti-mite and antibacterial masterbatch is added. The anti-mite and antibacterial masterbatch includes polyethylene resin, silver ion antibacterial agent, nano-zinc oxide, nano-titanium dioxide, and micronized wax.

[0012] It also includes a production device for anti-mite and antibacterial islands-in-the-sea ultrafine fibers, which includes a high-pressure supercritical fluid and an atmospheric-pressure reaction kettle. The high-pressure supercritical fluid is a carbon dioxide fluid dissolved with antibacterial agents and acaricides. The atmospheric-pressure reaction kettle includes an inner rectangular frame, an outer rectangular frame, and front and rear plates arranged on the front and rear sides of the inner and outer rectangular frames. A rectangular channel is formed by the front and rear plates, the inner rectangular frame, and the outer rectangular frame. A space for accommodating a winding and unwinding roller group is formed by the front and rear plates and the inner rectangular frame. A number of finishing and guiding roller groups are arranged in the rectangular channel. The islands-in-the-sea ultrafine fiber fabric is wound around the finishing and guiding roller groups, and the high-pressure supercritical fluid is introduced into the finishing and guiding roller groups and sprayed out.

[0013] Preferably, the finishing guide roller group includes a first fixed guide wheel group, a second fixed guide wheel group and an intermediate guide roller group disposed between the first fixed guide wheel group and the second fixed guide wheel group. The first fixed guide wheel group and the second fixed guide wheel group are disposed between the front plate and the rear plate. The intermediate guide roller group includes a support cross beam, a parallelogram adjustment frame and a plurality of spraying rollers. The support cross beam is disposed between the first fixed guide wheel group and the second fixed guide wheel group. The parallelogram adjustment frame is rotatably disposed on the support cross beam. The parallelogram adjustment frame includes a first long rod, a second long rod, a first short rod and a second short rod. The first long rod and the second long rod are parallel to each other. The first short rod and the second short rod are parallel to each other. Both the first long rod and the second long rod are parallel to the support cross beam. A plurality of first mounting holes are provided on both the first long rod and the second long rod. The spraying rollers are mounted on the first long rod and the second long rod through the first mounting holes. The first short rod and the second short rod are rotatably connected to the support cross beam. The sea-island microfiber fabric winds around the spraying rollers after passing through the first fixed guide wheel group and then passes through the second fixed guide wheel group. The sea-island microfiber fabric is wound around the plurality of spraying rollers in an alternating manner. By driving the parallelogram adjustment frame to rotate, the spraying rollers can move back and forth within the sea-island microfiber fabric. The high-pressure supercritical fluid is ejected from within the first fixed guide wheel group, the spraying rollers and the second fixed guide wheel group.

[0014] Preferably, a plurality of spraying rollers installed on one side of the long rod are denoted as the left finishing roller group, and a plurality of spraying rollers installed on one side of the second long rod are denoted as the right finishing roller group. In the first direction extending from the first fixed guide wheel group to the second fixed guide wheel group, the plurality of spraying rollers of the left finishing roller group are sequentially defined as the first left finishing roller, the second left finishing roller, the third left finishing roller, ……, the Nth left finishing roller, where N is a natural number greater than 3. The plurality of spraying rollers of the right finishing roller group are sequentially defined as the first right finishing roller, the second right finishing roller, the third right finishing roller, ……, the Mth right finishing roller, where M is a natural number greater than 3. The islands-in-the-sea ultrafine fiber fabric is separated into a left fabric group to be finished and a right fabric group to be finished by a parallelogram adjusting frame. In the second direction perpendicular to the first direction, the left fabric group to be finished is sequentially provided with the first left fabric to be finished, the second left fabric to be finished, ……, the Lth left fabric to be finished from inside to outside, where L is a natural number greater than 3. The right fabric group to be finished is sequentially provided with the first right fabric to be finished, the second right fabric to be finished, ……, the Sth right fabric to be finished from inside to outside, where S is a natural number greater than 3. The islands-in-the-sea ultrafine fiber fabric being wound around the plurality of spraying rollers in an alternating manner means that: the first left fabric to be finished bypasses the first fixed guide wheel group and then bypasses the first left finishing roller from above, then bypasses the second left finishing roller from below, then bypasses the third left finishing roller from above, ……, and finally bypasses the second fixed guide wheel group after bypassing the Nth left finishing roller from above; the second left fabric to be finished bypasses the first fixed guide wheel group and then bypasses the first left finishing roller from below, then bypasses the second left finishing roller from above, then bypasses the third left finishing roller from below, ……, and finally bypasses the second fixed guide wheel group after bypassing the Nth left finishing roller from below; in the left fabric group to be finished, the odd-numbered fabrics to be finished are wound in the same way as the first left fabric to be finished, and the even-numbered fabrics to be finished are wound in the same way as the second left fabric to be finished; the first right fabric to be finished bypasses the first fixed guide wheel group and then bypasses the first right finishing roller from above, then bypasses the second right finishing roller from below, then bypasses the third right finishing roller from above, ……, and finally bypasses the second fixed guide wheel group after bypassing the Mth right finishing roller from above; the second right fabric to be finished bypasses the first fixed guide wheel group and then bypasses the first right finishing roller from below, then bypasses the second right finishing roller from above, then bypasses the third right finishing roller from below, ……, and finally bypasses the second fixed guide wheel group after bypassing the Mth right finishing roller from below; in the right fabric group to be finished, the odd-numbered fabrics to be finished are wound in the same way as the first right fabric to be finished, and the even-numbered fabrics to be finished are wound in the same way as the second right fabric to be finished.

[0015] Preferably, the spraying roller includes a feeding inner core and a plurality of spray pipes. The plurality of spray pipes each include a cylinder body and spray holes provided on the cylinder body. The plurality of spray pipes are rotatably arranged on the feeding inner core.

[0016] Preferably, the feeding inner core includes a support, a plurality of lower arc plates and a plurality of upper arc plates arranged on one side of the support. The lower arc plates and the upper arc plates are arranged at intervals. A spray pipe is rotatably arranged on each lower arc plate, and a spray pipe is also rotatably arranged on each upper arc plate. A feeding channel is arranged in the support. Along the axial direction of the support, a first lower arc plate, a second upper arc plate, a third lower arc plate, a fourth upper arc plate,..., a J-th upper arc plate are arranged in sequence from the side close to the support to the side far from the support. J is a natural number greater than 4. A sealing circular plate is arranged on the right side of the J-th upper arc plate. A first spray pipe, a second spray pipe, a third spray pipe, a fourth spray pipe,..., a J-th spray pipe are rotatably sleeved on the first lower arc plate, the second upper arc plate, the third lower arc plate, the fourth upper arc plate,..., the J-th upper arc plate in sequence.

[0017] Preferably, the centers of the lower arc plate and the upper arc plate coincide with the center of the support. The included angle between one side edge of the lower arc plate and the horizontal line is Ω1, the included angle between the other side edge of the lower arc plate and the horizontal line is Ω2, and the included angle between the two side edges of the lower arc plate is Ω3. Then 180° < Ω3 < 360°. The included angle between one side edge of the upper arc plate and the horizontal line is Ω4, the included angle between the other side edge of the upper arc plate and the horizontal line is Ω5, and the included angle between the two side edges of the upper arc plate is Ω6. Then 180° < Ω6 < 360°.

[0018] Preferably, the finishing and guiding roller group includes a first fixed guide wheel group, a second fixed guide wheel group and an intermediate guiding roller group arranged between the first fixed guide wheel group and the second fixed guide wheel group. The first fixed guide wheel group and the second fixed guide wheel group are arranged between the front plate and the rear plate. The intermediate guiding roller group includes a support cross beam, a parallelogram adjusting frame and a plurality of spraying rollers. The support cross beam is arranged between the first fixed guide wheel group and the second fixed guide wheel group. The parallelogram adjusting frame is rotatably arranged on the support cross beam. The parallelogram adjusting frame includes a first long rod, a second long rod, a first short rod and a second short rod. The first long rod and the second long rod are parallel to each other. The first short rod and the second short rod are parallel to each other. The first long rod and the second long rod are both parallel to the support cross beam. The first short rod and the second short rod are rotatably connected to the support cross beam. The first long rod and the second long rod are both deformable long rods. A plurality of second mounting holes are arranged on the deformable long rods. A swing rod is rotatably arranged in the second mounting holes. A first mounting hole is arranged at each end of the swing rod. The spraying roller is mounted on the swing rod through the first mounting hole. The sea-island ultrafine fiber fabric winds around the spraying roller after passing through the first fixed guide wheel group, and then passes through the second fixed guide wheel group. The sea-island ultrafine fiber fabric is wound around the plurality of spraying rollers in a staggered manner. By driving the parallelogram adjusting frame to rotate, the spraying roller can move back and forth in the sea-island ultrafine fiber fabric. By driving the swing rod to rotate, the spraying roller can move up and down in the sea-island ultrafine fiber fabric. The high-pressure supercritical fluid is sprayed out from the first fixed guide wheel group, the spraying roller and the second fixed guide wheel group.

[0019] Preferably, a plurality of arc grooves are provided on one side of the deformed long rod, the thickness of the arc grooves is the same as the thickness of the swing rod, and a first relief hole groove and a second relief hole groove are further provided on both sides of the second mounting hole, and the first relief hole groove and the second relief hole groove are opposite in the opening direction of the deformed long rod.

[0020] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art:

[0021] 1. In the production method of the mite-proof and antibacterial sea-island ultrafine fiber of the present invention, the functional treatment of the sea-island ultrafine fiber is realized by adding an antibacterial agent and a mite-removing agent into supercritical carbon dioxide fluid, so that the produced ultrafine fiber has antibacterial and mite-removing functions. In addition, in order to adapt to the defect that when the existing supercritical carbon dioxide fluid is used for fabric surface treatment, it cannot guide the fabric well and cannot uniformly impregnate the fabric surface, a plurality of finishing and guiding roller groups are arranged in the return channel in this application. The finishing and guiding roller group includes a parallelogram adjusting frame and a plurality of spraying rollers arranged on the long rod of the parallelogram adjusting frame. The sea-island ultrafine fiber fabric to be treated is wound around the spraying rollers in a staggered winding manner, so that the lateral movement of the spraying rollers on the sea-island ultrafine fiber fabric to be treated is realized by controlling the rotation of the parallelogram adjusting frame, and the front and back sides of the fabric are impregnated through this lateral movement, and the impregnation is more comprehensive and efficient;

[0022] 2. In the production method of the mite-proof and antibacterial sea-island ultrafine fiber of the present invention, a mite-proof and antibacterial masterbatch is added during the spinning step, which makes the final product have better mite-proof and antibacterial effects and avoids the defect of short timeliness. In addition, when supercritical carbon dioxide fluid is sprayed, considering that the sea-island ultrafine fiber fabric to be treated is only partially wound around the spraying rollers, in order to save materials more and make the spraying effect more accurate, the spraying roller includes a feeding inner core and a plurality of spray pipes wound around the feeding inner core. The feeding inner core includes a plurality of upper arc plates and lower arc plates, and the opening sizes of the upper arc plates and the lower arc plates are adapted to the wrapping angle of the fabric wound around the spraying roller, which can control the spraying angle and spraying range of the supercritical carbon dioxide fluid to a certain extent and make the impregnation effect better when the fabric is treated;

[0023] 3. The staggered winding mode of the fabric to be surface treated on the spraying roller of the present invention and the parallelogram adjustment frame of the finishing guide roller group make it possible for the spraying rollers arranged on the long sides of the parallelogram adjustment frame to slide laterally at a fixed angle when the angle is adjusted, so that the front and back sides of the fabric to be treated can be sprayed with supercritical carbon dioxide fluid, and since the spraying rollers are arranged on the two long sides of the parallelogram adjustment frame, the fabric to be treated on both sides of the long sides can be treated at the same time, which can further improve the fabric treatment efficiency. In addition, since the guide roller groups are all located in the meandering channel, there will be no waste of supercritical fluid carbon dioxide, and since the finishing guide roller groups are arranged in the meandering channel, the space in the meandering channel is well utilized, and a winding and releasing roller group is also arranged in the inner meandering frame, which can not only efficiently utilize the space, but also realize that the winding and releasing of the fabric can be completed in one space, and there is no need to take out the fabric and then wind it after the treatment;

[0024] 4. The guide roller group of the present invention can also be provided with a rocker arm on the outside of the parallelogram adjustment frame, and spray rollers are provided at both ends of the rocker arm. Through the arrangement of the above structure, the spray roller can slide horizontally relative to the fabric and can also move longitudinally relative to the fabric, so that the impregnation effect of the fabric can be better. In addition, through the arrangement of the above structure, the staggered winding arrangement of the fabric during the finishing guide roller group becomes automated, which can further speed up the production rhythm and realize the automatic injection of supercritical fluid carbon dioxide of the fabric. In order to adapt to the movement of the above rocker arm and the spray roller, an avoidance hole groove structure is also provided on the deformable long rod. In order to make the structure more practical, an arc groove structure that can accommodate the rocker arm is also provided. By providing the give-way hole groove 1 and the give-way hole groove 2 with openings in different directions, the deformable long rod can be used as the long side of the parallelogram adjustment frame, and the rocker arm can also be conveniently stored therein. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a flow chart of the production method of the anti-mite and antibacterial indefinite island ultrafine fiber of the present application;

[0026] Figure 2 Schematic diagram of the structure of the anti-mite and antibacterial indefinite island microfiber production equipment of the present application;

[0027] Figure 3 To organize the three-dimensional structure diagram of the guide roller group;

[0028] Figure 4 A top view of the guide roller assembly is provided for arrangement;

[0029] Figure 5 This is a front view of the finishing guide roller group;

[0030] Figure 6 In (a), it is a schematic diagram of the structure of the finishing guide roller group after removing the fabric Figure 1 , and in (b), it is a schematic diagram of the structure of the finishing guide roller group after removing the fabric Figure 2 , and in (c), it is a side view of the finishing guide roller group after removing the fabric;

[0031] Figure 7 It is a schematic diagram of the structure of the spraying roller;

[0032] Figure 8 In (a), it is a schematic diagram of the structure of the feeding inner core Figure 1 , and in (b), it is a schematic diagram of the structure of the feeding inner core Figure 2 ;

[0033] Figure 9 In (a), it is a side view of the feeding inner core, in (b), it is a B-B sectional view of (a), and in (c), it is an A-A sectional view of (a);

[0034] Figure 10 In (a), it is a schematic diagram of the structure of the first fixed guide wheel group or the second fixed guide wheel group Figure 1 , and in (b), it is a schematic diagram of the structure of the first fixed guide wheel group or the second fixed guide wheel group Figure 2 ;

[0035] Figure 11 In (a), it is a schematic diagram of the initial state structure of the finishing guide roller group after removing the fabric in the second embodiment Figure 1 , and in (b), it is a schematic diagram of the initial state structure of the finishing guide roller group after removing the fabric in the second embodiment Figure 2 ;

[0036] Figure 12 In (a), it is a schematic diagram of the initial state structure of the finishing guide roller group after removing the fabric in the second embodiment Figure 3 , and in (b), it is a schematic diagram of the initial state structure of the finishing guide roller group after removing the fabric in the second embodiment Figure 4 ;

[0037] Figure 13 In (a), it is a schematic diagram of the deformed long rod structure in the second embodiment Figure 1 , and in (b), it is a schematic diagram of the deformed long rod structure in the second embodiment Figure 2 , and in (c), it is a schematic diagram of the deformed long rod structure in the second embodiment Figure 3 ;

[0038] Figure 14 In (a), it is a schematic diagram of the working state structure of the finishing guide roller group after removing the fabric in the second embodiment Figure 1 , and in (b), it is a schematic diagram of the working state structure of the finishing guide roller group after removing the fabric in the second embodiment Figure 2 .

[0039] Among them, 1. high-pressure supercritical fluid; 2. atmospheric pressure reactor; 3. filtering device; 4. reflux pump; 5. gas input device 1; 6. gas input device 2; 7. outer circular frame; 8. inner circular frame; 9. circular channel; 10. first horizontal channel; 11. second horizontal channel; 12. first vertical channel; 13. second vertical channel; 14. winding and retracting roller group; 15. finishing guide roller group; 16. first fixed guide wheel group; 17. second fixed guide wheel group Fixed guide wheel group; 18, middle guide roller group; 19, support beam; 20, parallelogram adjustment frame; 21, left finishing roller group; 22, right finishing roller group; 23, first left finishing roller; 24, second left finishing roller; 25, first right finishing roller; 26, second right finishing roller; 27, left group of fabrics to be finished; 28, right group of fabrics to be finished; 29, first left fabric to be finished; 30, second left fabric to be finished; 31, first right fabric to be finished; 32, right The second cloth to be arranged; 33, the inner core of the feeding material; 34, the first nozzle; 35, the second nozzle; 36, the barrel; 37, the nozzle hole; 38, the support; 39, the first lower arc plate; 40, the second upper arc plate; 41, the blocking circular plate; 42, the feeding channel; 43, the second short rod; 44, the first long rod; 45, the second long rod; 46, the first mounting hole; 47, the arc baffle; 48, the front side plate; 49, the rear side plate; 50, the connecting seat; 51, the guide nozzle; 52, Deformed long rod; 53, mounting hole two; 54, rocker rod; 55, spray roller; 56, give way hole slot one; 57, give way hole slot two; 58, arc groove; 59, first arc segment; 60, second arc segment; 61, third arc segment; 62, first mounting seat; 63, second mounting seat; 64, first rotating shaft; 65, second rotating shaft; 66, short rod one; 67, feeding hollow shaft; 68, rotating support shaft; 69, support shaft seat one; 70, support shaft seat two. DETAILED DESCRIPTION

[0040] The present invention is further described below in conjunction with the examples. However, the present invention is not limited to the following examples. The implementation conditions used in the examples can be further adjusted according to the different requirements of specific use, and the implementation conditions not specified are conventional conditions in the industry. The technical features involved in each embodiment of the present invention can be combined with each other as long as they do not conflict with each other.

[0041] The embodiments of the present invention are described in detail below with reference to the accompanying drawings. Example 1

[0042] like Figures 1 - 9 As shown, a method for producing anti-mite and antibacterial indefinite island microfibers comprises the following steps:

[0043] Melt spinning:

[0044] 1. Mix nylon and polyethylene in a weight ratio of 0.6:0.4 and melt-spin them to obtain sea-island type ultrafine fibers. Of course, the weight ratio can also be 0.4:0.6, or it can be 0.5:0.5;

[0045] 2. Preparation of non-island ultrafine fiber fabric:

[0046] The sea-island type ultrafine fibers are made into non-woven fabric through opening, carding, web-laying and needling. After the non-woven fabric is ironed and heat-set, it is impregnated with polyurethane resin. Then, a dimethylformamide (DMF) aqueous solution is used to solidify the polyurethane resin, and then the dimethylformamide is displaced with warm water. The low-density polyethylene in the sea-island fibers is extracted with toluene solution to obtain the non-island ultrafine fiber fabric;

[0047] 3. Post-treatment of the fabric with a mite-proof and antibacterial finishing agent by supercritical carbon dioxide fluid impregnation:

[0048] Add the antibacterial drug and the acaricide into the medicine tank of the high-pressure equipment. The antibacterial drug is terreic acid or ramalic acid, and the acaricide is nano-titanium dioxide. Exclude the air and introduce carbon dioxide. At 32 °C, raise the pressure in the container to 8 MPa, or at 120 °C, raise the pressure in the container to 30 MPa, or at 100 °C, raise the pressure in the container to 20 MPa to obtain high-pressure supercritical fluid 1. The high-pressure supercritical fluid 1 is introduced into the atmospheric-pressure reaction kettle 2. The atmospheric-pressure reaction kettle 2 includes an inner rectangular frame 8, an outer rectangular frame 7, and front plates (not shown in the figure) and rear plates arranged on the front and rear sides of the inner rectangular frame 8 and the outer rectangular frame 7. A rectangular channel 9 is formed by the front plate, the rear plate, the inner rectangular frame 8 and the outer rectangular frame 7. A space for accommodating the winding and unwinding roller group 14 is formed by the front plate, the rear plate and the inner rectangular frame 8. A number of finishing guide roller groups 15 are arranged in the rectangular channel 9. The non-island ultrafine fiber fabric is wound around the finishing guide roller groups 15, and both ends of the non-island ultrafine fiber fabric are arranged on the winding and unwinding roller group 14. The high-pressure supercritical fluid 1 is introduced into the finishing guide roller groups 15 and sprayed out from the finishing guide roller groups 15 to perform impregnation post-treatment on the non-island ultrafine fiber fabric; after the non-island ultrafine fiber fabric is impregnated for a predetermined time or number of times, the winding and unwinding roller group 14 is actuated to wind up the impregnated non-island ultrafine fiber fabric, and at the same time, the non-island ultrafine fiber fabric to be impregnated is released until the entire non-island ultrafine fiber fabric is completely impregnated. By winding the non-island ultrafine fiber fabric outside the finishing guide roller groups 15, the all-round impregnation of the fabric is realized through the action of the finishing guide roller groups 15. Compared with the existing impregnation device, it can ensure that the fabric will not curl or wrinkle after treatment, and at the same time, the impregnation can be uniform and complete.

[0049] In addition, during melt spinning, a certain weight of anti-mite and antibacterial masterbatch can be added so that the fiber fabric can have the characteristics of good durability, washing resistance and high safety. The anti-mite and antibacterial masterbatch includes a certain weight of polyethylene resin, silver ion antibacterial agent, nano zinc oxide, nano titanium dioxide and micro powder wax. The above materials are added to the silo of a twin-screw mixer and extruded into granules. The above weight can be, for example, 68 parts of polyethylene resin, 10 parts of silver ion antibacterial agent, 10 parts of nano zinc oxide, 10 parts of nano titanium dioxide and 2 parts of micro powder wax.

[0050] like Figures 2 - 9 As shown, a production device for anti-mite and antibacterial indefinite island ultrafine fibers comprises a high-pressure supercritical fluid 1 and a normal-pressure reactor 2. The high-pressure supercritical fluid 1 contains a carbon dioxide fluid in which an antibacterial drug and a mite remover are dissolved. The antibacterial drug can be selected as terrene or basilic acid, and the mite remover can be selected as nano-titanium dioxide. The finishing guide roller group 15 comprises a first fixed guide wheel group 16, a second fixed guide wheel group 17, and an intermediate guide roller group 18 arranged between the first fixed guide wheel group 16 and the second fixed guide wheel group 17. The first fixed guide wheel group 16 and the second fixed guide wheel group 17 are arranged between the front plate and the rear plate, the intermediate guide roller group 18 includes a supporting beam 19, a parallelogram adjustment frame 20 and a plurality of spray rollers 55, the supporting beam 19 is arranged between the first fixed guide wheel group 16 and the second fixed guide wheel group 17, the parallelogram adjustment frame 20 is rotatably arranged on the supporting beam 19, and the parallelogram adjustment frame 20 includes a long rod 44, a long rod 45, a short rod 66 and a short rod The long rod 1 44 and the long rod 2 45 are parallel to each other, the short rod 1 66 and the short rod 2 43 are parallel to each other, the long rod 1 44 and the long rod 2 45 are parallel to the supporting crossbeam 19, a plurality of mounting holes 1 46 are provided on the long rod 1 44 and the long rod 2 45, the spray roller 55 is mounted on the long rod 1 44 and the long rod 2 45 through the mounting hole 1 46, the short rod 1 66 and the short rod 2 43 are rotatably connected to the supporting crossbeam 19, and the indefinite island microfiber fabric is fixed by a first The guide wheel group 16 is then wound around the spray roller 55, and then passes through the second fixed guide wheel group 17. The indefinite island microfiber fabric is interlaced on the several spray rollers 55, and by driving the parallelogram adjustment frame 20 to rotate, the spray roller 55 can move back and forth in the indefinite island microfiber fabric, and the high-pressure supercritical fluid 1 is ejected from the first fixed guide wheel group 16, the spray roller 55 and the second fixed guide wheel group 17, thereby realizing the impregnation post-treatment of the indefinite island microfiber fabric.

[0051] A number of spraying rollers 55 installed on one side of the long rod 44 are defined as the left finishing roller group 21, and a number of spraying rollers 55 installed on one side of the long rod 45 are defined as the right finishing roller group 22. In the first direction extending from the first fixed guide wheel group 16 to the second fixed guide wheel group 17, the several spraying rollers 55 of the left finishing roller group 21 are sequentially defined as the first left finishing roller 23, the second left finishing roller 24, the third left finishing roller, ……, the Nth left finishing roller, where N is a natural number greater than 3. The several spraying rollers 55 of the right finishing roller group 22 are sequentially defined as the first right finishing roller 25, the second right finishing roller 26, the third right finishing roller, ……, the Mth right finishing roller, where M is a natural number greater than 3. The island-in-the-sea superfine fiber fabric is separated into a left fabric group to be finished 27 and a right fabric group to be finished 28 by the parallelogram adjusting frame 20. Along the second direction perpendicular to the first direction, the left fabric group to be finished 27 is sequentially provided with a first left fabric to be finished 29, a second left fabric to be finished 30, ……, a left L fabric to be finished, where L is a natural number greater than 3. The right fabric group to be finished 28 is sequentially provided with a first right fabric to be finished 31, a second right fabric to be finished 32, ……, a right S fabric to be finished, where S is a natural number greater than 3, such as Figure 2As shown, the interlaced winding of the island-in-a-sea ultrafine fiber fabric around the plurality of spraying rollers 55 means that: the first fabric to be finished 29 on the left bypasses the first fixed guide wheel group 16 and then bypasses the first left finishing roller 23 from above, then bypasses the second left finishing roller 24 from below, and then bypasses the third left finishing roller from above, ……, and finally bypasses the Nth left finishing roller from above and then bypasses the second fixed guide wheel group 17; the second fabric to be finished 30 on the left bypasses the first fixed guide wheel group 16 and then bypasses the first left finishing roller 23 from below, then bypasses the second left finishing roller 24 from above, and then bypasses the third left finishing roller from below, ……, and finally bypasses the Nth left finishing roller from below and then bypasses the second fixed guide wheel group 17; in the left fabric group to be finished 27, the winding mode of the odd-numbered fabric to be finished is the same as that of the first fabric to be finished on the left, and the winding mode of the even-numbered fabric to be finished is the same as that of the second fabric to be finished on the left; the first fabric to be finished 31 on the right bypasses the first fixed guide wheel group 16 and then bypasses the first right finishing roller 25 from above, then bypasses the second right finishing roller 26 from below, and then bypasses the third right finishing roller from above, ……, and finally bypasses the Mth right finishing roller from above and then bypasses the second fixed guide wheel group 17; the second fabric to be finished 32 on the right bypasses the first fixed guide wheel group 16 and then bypasses the first right finishing roller 25 from below, then bypasses the second right finishing roller 26 from above, and then bypasses the third right finishing roller from below, ……, and finally bypasses the Mth right finishing roller from below and then bypasses the second fixed guide wheel group 17; in the right fabric group to be finished 28, the winding mode of the odd-numbered fabric to be finished is the same as that of the first fabric to be finished on the right, and the winding mode of the even-numbered fabric to be finished is the same as that of the second fabric to be finished on the right. Through the above interlaced winding, after controlling the deflection of the parallelogram adjusting frame 20, the spraying roller 55 can impregnate both the front and back sides of the island-in-a-sea ultrafine fiber fabric, and can better perform post-finishing treatment on the fabric surface.

[0052] In addition, in order to adapt to the better impregnation of the surface of the fabric arranged in an interlaced manner with carbon dioxide fluid, as Figures 6 - 7 shown, the spraying roller 55 includes a feeding inner core 33 and a plurality of spray pipes. The plurality of spray pipes each include a cylinder body 36 and spray holes provided on the cylinder body 36. The plurality of spray pipes are rotatably arranged on the feeding inner core 33.

[0053] The feeding inner core 33 includes a support 38, a plurality of lower arc plates and a plurality of upper arc plates arranged on one side of the support 38. The lower arc plates and the upper arc plates are arranged at intervals. A spray pipe is rotatably arranged on each lower arc plate, and a spray pipe is also rotatably arranged on each upper arc plate. A feeding channel 42 is arranged in the support 38. Along the axial direction of the support 38, a first lower arc plate 39, a second upper arc plate 40, a third lower arc plate, a fourth upper arc plate,..., a J-th upper arc plate are arranged in sequence from the side close to the support 38 to the side far from the support 38. J is a natural number greater than 4, and a blocking circular plate 41 is arranged on the right side of the J-th upper arc plate. A first spray pipe 34, a second spray pipe 35, a third spray pipe, a fourth spray pipe,..., a J-th spray pipe are rotatably sleeved on the first lower arc plate 39, the second upper arc plate 40, the third lower arc plate, the fourth upper arc plate,..., the J-th upper arc plate in sequence. The high-pressure supercritical fluid 1 is introduced into the feeding channel 42 through a pipeline (not shown in the figure). The support 38 is arranged in the first mounting hole 46.

[0054] In addition, when the spraying roller 55 is the left finishing roller group 21, J = L, and when the spraying roller 55 is the right finishing roller group 22, J = S.

[0055] As Figures 7 - 9 shown, the centers of the lower arc plate and the upper arc plate coincide with the center of the support 38. The included angle between one side edge of the lower arc plate and the horizontal line is Ω1, the included angle between the other side edge of the lower arc plate and the horizontal line is Ω2, and the included angle between the two side edges of the lower arc plate is Ω3. Then 180° < Ω3 < 360°. The included angle between one side edge of the upper arc plate and the horizontal line is Ω4, the included angle between the other side edge of the upper arc plate and the horizontal line is Ω5, and the included angle between the two side edges of the upper arc plate is Ω6. Then 180° < Ω6 < 360°. Preferably, Ω1 = Ω2, Ω4 = Ω5, and Ω3 = Ω6.

[0056] As Figure 10 shown, the first fixed guide wheel group 16 and the second fixed guide wheel group 17 have the same structure, and both include an arc-shaped baffle 47, a front side plate 48, a rear side plate 49, a guiding spray barrel 51 and a connecting socket 50. The front side plate 48 and the rear side plate 49 are arranged on both sides of the arc-shaped baffle 47. The guiding spray barrel 51 is rotatably arranged between the front side plate 48 and the rear side plate 49. The connecting socket 50 is arranged outside the arc-shaped baffle 47. The connecting socket 50 is connected to the support cross beam 19.

[0057] On both sides of the guiding spray tube 51, a rotating support shaft 68 and a feeding hollow shaft 67 are respectively arranged. The rotating support shaft 68 and the feeding hollow shaft 67 are respectively rotatably arranged in the front side plate 48 and the rear side plate 49. On one side of the front side plate 48, a second support shaft seat 70 is arranged. On one side of the rear side plate 49, a first support shaft seat 69 is arranged. An axial hole is formed in the first support shaft seat 69, so that the high-pressure supercritical fluid 1 can be fed through the feeding hollow shaft 67. Preferably, the first support shaft seat 69 and the second support shaft seat 70 are arranged on the front plate and the rear plate.

[0058] In addition, as Figure 6 shown, a first mounting seat 62 and a second mounting seat 63 are arranged at the upper end of the support cross beam 19. A first rotating shaft 64 is arranged on the first mounting seat 62. A second rotating shaft 65 is arranged on the second mounting seat 63. A first axial hole is formed in the center of the first short rod 66. A second axial hole is formed in the center of the second short rod 43. The first rotating shaft 64 is inserted into the first axial hole. The second rotating shaft 65 is inserted into the second axial hole. A telescopic driving cylinder is arranged between the first short rod 66 and / or the second short rod 43 and the support cross beam 19. The deflection of the parallelogram adjusting frame 20 is driven by the telescopic movement of the telescopic driving cylinder.

[0059] In addition, in order to prevent the spray pipe from detaching from the feeding inner core during rotation, a raised ring is arranged on the inner side of the spray pipe. Groove rings matching with the raised ring are arranged on both the lower arc plate and the upper arc plate. In this way, it can be ensured that the spray pipe can only rotate radially and cannot slide axially.

[0060] In addition, the support 38 is slidably arranged in the first mounting hole 46 and can only slide axially along the first mounting hole 46 and cannot rotate radially. For example, a groove and a convex block are arranged in the first mounting hole 46. Thus, when the parallelogram adjusting frame 20 deflects, the spray roller 55 can slide horizontally between the islands of ultrafine fiber fabrics and can also roll, so that both the front and back sides of each island of ultrafine fiber fabric can be impregnated. Of course, a telescopic adjusting cylinder can also be arranged between the end of the support 38 and the first long rod 44, or between the end of the support 38 and the second long rod 45. In addition to being able to expand and contract passively, it can also expand and contract actively, so as to control the expansion and contraction of the spray roller 55 more flexibly.

[0061] The included angle Ω3 between the two side edges of the lower arc plate and the included angle Ω4 between one side edge of the upper arc plate and the horizontal line are related to the wrap angle formed by the island-in-the-sea ultrafine fiber fabric wound around the spraying roller 55. When the wrap angle is large, Ω3 and Ω4 are set correspondingly large; when the wrap angle is small, Ω3 and Ω4 are set correspondingly small. Through the settings of the upper arc plate and the lower arc plate, it is possible to spray the high-pressure supercritical fluid 1 only on the wound part of the fabric, which can ensure the spraying effect while saving the spraying amount.

[0062] In addition, as Figure 2 shown, it further includes a filtering device 3 and a reflux pump 4. The filtering device is arranged on the other side of the high-pressure supercritical fluid 1. The filtering device 3 is connected to the outer rectangular frame 7. The reflux pump 4 is arranged between the high-pressure supercritical fluid 1 and the filtering device 3 to continue to feed the high-pressure supercritical fluid filtered by the filtering device 3 into the atmospheric pressure reaction kettle 2. A gas input device I 5 and a gas input device II 6 are also arranged in the outer rectangular frame 7 to promote the circulation of the supercritical fluid. The above are all prior arts and will not be elaborated here.

[0063] The rectangular channel 9 includes a first horizontal channel 10, a second horizontal channel 11, a first vertical channel 12 and a second vertical channel 13. A set of finishing and guiding rollers 15 is arranged in each of the first horizontal channel 10, the second horizontal channel 11, the first vertical channel 12 and the second vertical channel 13. A winding and unwinding roller group 14 corresponding to the set of finishing and guiding rollers 15 is arranged in the inner rectangular frame 8. The winding and unwinding roller group 14 includes a winding roller group and an unwinding roller group. One side of the island-in-the-sea ultrafine fiber fabric is arranged on the winding roller group, and the other side is arranged on the unwinding roller group. Reeling and unwinding motors are arranged on both the unwinding roller group and the winding roller group. The winding or unwinding of the fabric is realized through the actions of the reeling and unwinding motors. Denote the included angle between one winding roller group of the winding and unwinding roller group 14 corresponding to the set of finishing and guiding rollers 15 in the first vertical channel 12 and the horizontal line as α, and the included angle between the winding roller group and the unwinding roller group as γ1, then γ1 = 2α, 0° < α < 45°; Denote the included angle between one winding roller group of the winding and unwinding roller group 14 corresponding to the set of finishing and guiding rollers 15 in the first horizontal channel 10 and the horizontal line as β, and the included angle between the winding roller group and the unwinding roller group as γ2, then 45° < β < 90°, γ2 = γ1. Through the above settings, the layout of the entire winding and unwinding roller group 14 can be made very compact. In addition, a channel slot for the island-in-the-sea ultrafine fiber fabric to enter and exit is arranged on the inner rectangular frame 8. After the winding roller groups have all completed the winding of the fabric, they are replaced uniformly. For example, the front plate can be opened, the winding and unwinding roller group 14 can be taken out and a new winding and unwinding roller group 14 can be replaced, and then the fabric can be wound around the set of finishing and guiding rollers 15, and the front plate can be covered again after the replacement is completed.

[0064] Further, the high-pressure supercritical fluid 1 is connected to the feeding hollow shaft 67 and the feeding channel 42 through a hose. Example 2

[0065] As Figures 11 - 14 shown, the main difference between Example 2 and Example 1 lies in the different long rods 44 and 45 of the parallelogram adjustment frame 20 in the intermediate guide roller group 18. In Example 2, it is mainly considered that a single horizontal lateral sliding results in a relatively single impregnation action on the fabric, so the swing of the spraying roller 55 is increased. Specifically:

[0066] The parallelogram adjustment frame 20 includes a long rod 44, a long rod 45, a short rod 66 and a short rod 43. The long rod 44 and the long rod 45 are parallel to each other, the short rod 66 and the short rod 43 are parallel to each other. The long rod 44 and the long rod 45 are both parallel to the support cross beam 19. The short rod 66 and the short rod 43 are rotatably connected to the support cross beam 19. The long rod 44 and the long rod 45 are both deformable long rods 52. A number of second mounting holes 53 are provided on the deformable long rod 52. A swing rod 54 is rotatably arranged in the second mounting hole 53. A first mounting hole 46 is provided at both ends of the swing rod 54. The spraying roller 55 is mounted on the swing rod 54 through the first mounting hole 46. A swing oil cylinder (not shown in the figure) is provided between the swing rod 54 and the deformable long rod 52 so as to realize the swing of the spraying roller 55. When the spraying roller 55 slides horizontally back and forth, it can also move up and down, so as to better impregnate the fabric.

[0067] In addition, as Figure 11 shown, in order to make the structure more compact, and in order to prevent the spraying roller 55 from touching the deformable long rod 52 when it expands and contracts, a number of arc-shaped grooves 58 are provided on one side of the deformable long rod 52. The thickness of the arc-shaped groove 58 is the same as the thickness of the swing rod 54. A first relief hole groove 56 and a second relief hole groove 57 are also provided on both sides of the second mounting hole 53. The opening directions of the first relief hole groove 56 and the second relief hole groove 57 on the deformable long rod 52 are opposite, so that the swing rod 54 can be received into the deformable long rod 52. When the swing rod 54 is received into the deformable long rod 52, the long sides of the deformable long rod 52 and the swing rod 54 are parallel, as Figure 14 shown.

[0068] Denote the center of the mounting hole two 53 as O, then the center of the arc-shaped groove 58 is also O. The relief hole groove one 56 and the relief hole groove two 57 are centrosymmetric about the center O. The relief hole groove one 56 and the relief hole groove two 57 both include a first arc segment 59, a second arc segment 60 and a third arc segment 61. The third arc segment is an arc with the center at O and a radius of r4. The first arc segment is a semi-circle with a radius of r2, and the center of the semi-circle is located on the arc with O as the center. The second arc segment is an arc with the center at O and a radius of r3. The third arc segment 61, the first arc segment 59 and the second arc segment 60 are connected in sequence. The radius of the arc-shaped groove 58 is r1, and r1 > r3 > r4.

[0069] Through the above settings of the swing rod and the spraying roller 55, the island-in-the-sea ultrafine fiber fabric can be automatically and cross-wound around the middle guide roller group 18. Specifically:

[0070] For the convenience of description, taking the example that two swing rods shown in the figure, the left finishing roller group 21 includes a total of four spraying rollers 55, the right finishing roller group 22 includes a total of four spraying rollers 55, and the spray pipe includes a first spray pipe and a second spray pipe. When replacing the new winding and unwinding roller group 14, make the swing rod Figures 11 - 12 As shown, have a certain inclination angle relative to the deformed long rod, so that the upper spraying roller 55 on the swing rod is higher than the upper end of the deformed long rod, and the lower spraying roller 55 on the swing rod is lower than the lower end of the deformed long rod. Then make the island-in-the-sea ultrafine fiber fabric wind around between the first fixed guide wheel group 16 and the second fixed guide wheel group 17. At this time, the upper spraying roller 55 is located above the island-in-the-sea ultrafine fiber fabric, and the lower spraying roller 55 is located below the island-in-the-sea ultrafine fiber fabric. Then control the spraying roller 55 to slide telescopically on the swing rod 54 (specifically controlled by the telescopic adjustment cylinder arranged between the support 38 and the swing rod). Finally, make the length of the spraying roller 55 of the left finishing roller group 21 the same as the width of the left first fabric to be finished 29, and the length of the spraying roller 55 of the right finishing roller group 22 the same as the width of the right first fabric to be finished 31. Then drive the swing rod 54 to rotate counterclockwise, then the winding of the left first fabric to be finished 29 and the right first fabric to be finished 31 is realized at this time. Then drive the telescopic adjustment cylinder to extend, so that the spraying roller 55 passes through the left second fabric to be finished 30 and the right second fabric to be finished 32 respectively, thus realizing the arrangement of the cross-wound fabric.

[0071] The above has made a detailed description of the present invention. Its purpose is to enable those skilled in this field to understand the content of the present invention and implement it. It should not be used to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. A production device for anti-mite and antibacterial indefinite island ultrafine fibers, comprising a high-pressure supercritical fluid (1) and a normal-pressure reactor (2), wherein the high-pressure supercritical fluid (1) is a carbon dioxide fluid dissolved with an antibacterial drug and a mite remover, and the normal-pressure reactor (2) comprises an inner circular frame (8), an outer circular frame (7), and a front plate and a rear plate arranged on the front and rear sides of the inner circular frame (8) and the outer circular frame (7), wherein a circular channel (9) is formed by the front plate, the rear plate, the inner circular frame (8) and the outer circular frame (7), and characterized in that: A space for accommodating a winding and retracting roller group (14) is formed by a front plate, a rear plate and an inner circular frame (8); a plurality of arranging guide roller groups (15) are arranged in the circular channel (9); an indeterminate island ultrafine fiber fabric is wound around the arranging guide roller group (15), and both ends of the indeterminate island ultrafine fiber fabric are arranged on the winding and retracting roller group (14); the high-pressure supercritical fluid (1) is introduced into the arranging guide roller group (15) and ejected from the arranging guide roller group (15); the arranging guide roller group (15) comprises a first fixed guide wheel group (16), a second fixed guide wheel group (17) and a plurality of guide roller groups (15) arranged on the first fixed guide wheel group (16); An intermediate guide roller group (18) between the fixed guide wheel group (16) and the second fixed guide wheel group (17), wherein the first fixed guide wheel group (16) and the second fixed guide wheel group (17) are arranged between the front plate and the rear plate, and the intermediate guide roller group (18) comprises a supporting crossbeam (19), a parallelogram adjustment frame (20) and a plurality of spray rollers (55), wherein the supporting crossbeam (19) is arranged between the first fixed guide wheel group (16) and the second fixed guide wheel group (17), and the parallelogram adjustment frame (20) is rotatably arranged on the supporting crossbeam (19), and the parallelogram adjustment frame (20) is rotatably arranged on the supporting crossbeam (19). 0) comprises a long rod 1 (44), a long rod 2 (45), a short rod 1 (66) and a short rod 2 (43), wherein the long rod 1 (44) and the long rod 2 (45) are parallel to each other, the short rod 1 (66) and the short rod 2 (43) are parallel to each other, the long rod 1 (44) and the long rod 2 (45) are parallel to each other, the long rod 1 (44) and the long rod 2 (45) are parallel to the supporting crossbeam (19), a plurality of mounting holes 1 (46) are arranged on the long rod 1 (44) and the long rod 2 (45), the spraying roller (55) is mounted on the long rod 1 (44) and the long rod 2 (45) through the mounting holes 1 (46), the short rod 1 (66) and the short rod 2 (43) The indefinite island microfiber fabric is rotatably connected to the supporting crossbeam (19), and the indefinite island microfiber fabric passes through the first fixed guide wheel group (16) and is wound around the spray roller (55), and then passes through the second fixed guide wheel group (17). The indefinite island microfiber fabric is staggered around the plurality of spray rollers (55), and by driving the parallelogram adjustment frame (20) to rotate, the spray roller (55) can be moved back and forth in the indefinite island microfiber fabric, and the high-pressure supercritical fluid (1) is sprayed from the first fixed guide wheel group (16), the spray roller (55) and the second fixed guide wheel group (17).

2. The production equipment of the anti-mite and antibacterial indefinite island ultrafine fiber according to claim 1 is characterized by: The plurality of spray rollers (55) installed on one side of the long rod one (44) are the left finishing roller group (21), and the plurality of spray rollers (55) installed on one side of the long rod two (45) are the right finishing roller group (22). In the first direction extending from the first fixed guide wheel group (16) to the second fixed guide wheel group (17), the plurality of spray rollers (55) of the left finishing roller group (21) are defined as the first left finishing roller (23), the second left finishing roller (24), the third left finishing roller, ..., the Nth left finishing roller, N being a natural number greater than 3. The plurality of spray rollers (55) of the right finishing roller group (22) are defined as the first right finishing roller (25), the second right finishing roller (26), the third right finishing roller, ..., the Mth right finishing roller, roller, M is a natural number greater than 3, the indefinite island ultrafine fiber fabric is divided into a left fabric group (27) and a right fabric group (28) by a parallelogram adjustment frame (20), along a second direction perpendicular to the first direction, the left fabric group (27) is sequentially provided with a left first fabric (29) to be sorted, a left second fabric (30) to be sorted, ..., a left L fabric to be sorted, from inside to outside, L is a natural number greater than 3, the right fabric group (28) is sequentially provided with a right first fabric (31) to be sorted, a right second fabric (32) to be sorted, ..., a right S fabric to be sorted, from inside to outside, S is a natural number greater than 3, the indefinite island ultrafine fiber fabric is staggeredly wound on the plurality of spray rollers (55) The first left cloth to be sorted (29) is wound around the first fixed guide wheel group (16) and then around the first left sorting roller (23) from above, then around the second left sorting roller (24) from below, then around the third left sorting roller from above, ..., finally around the Nth left sorting roller from above and then around the second fixed guide wheel group (17); the second left cloth to be sorted (30) is wound around the first fixed guide wheel group (16) and then around the first left sorting roller (23) from below, then around the second left sorting roller (24) from above, then around the third left sorting roller from below, ..., finally around the Nth left sorting roller from below and then around the second fixed guide wheel group (17); in the left cloth to be sorted group (27), the winding method of the odd-numbered cloth to be sorted is the same as that of the first left cloth to be sorted. The fabrics to be sorted are the same, and the winding method of the even-numbered fabric to be sorted is the same as that of the left second fabric to be sorted; the right first fabric to be sorted (31) passes around the first fixed guide wheel group (16) and then passes around the first right sorting roller (25) from above, then passes around the second right sorting roller (26) from below, then passes around the third right sorting roller from above, ..., finally passes around the Mth right sorting roller from above and then passes around the second fixed guide wheel group (17); the right second fabric to be sorted (32) passes around the first fixed guide wheel group (16) and then passes around the first right sorting roller (25) from below, then passes around the second right sorting roller (26) from above, then passes around the third right sorting roller from below, ..., finally passes around the Mth right sorting roller from below and then passes around the second fixed guide wheel group (17);In the right group of fabrics to be sorted (28), the winding method of the odd-numbered fabrics to be sorted is the same as the first right fabric to be sorted, and the winding method of the even-numbered fabrics to be sorted is the same as the second right fabric to be sorted. ; 3. The production equipment of the anti-mite and antibacterial indefinite island ultrafine fiber according to claim 2 is characterized by: The spray roller (55) comprises a material supply inner core (33) and a plurality of spray pipes, each of the plurality of spray pipes comprises a barrel (36) and spray holes arranged on the barrel (36), and the plurality of spray pipes are rotatably arranged on the material supply inner core (33).

4. The production equipment of the anti-mite and antibacterial indefinite island ultrafine fiber according to claim 3 is characterized by: The feeding inner core (33) comprises a support (38) and a plurality of lower arc plates and a plurality of upper arc plates arranged on one side of the support (38), wherein the lower arc plates and the upper arc plates are arranged at intervals, and a nozzle is rotatably arranged on each lower arc plate, and a nozzle is also rotatably arranged on each upper arc plate. A feeding channel (42) is arranged in the support (38), and along the axial direction of the support (38), a first lower arc plate (39), a second upper arc plate (40), a third lower arc plate, a fourth upper arc plate, ..., a Jth upper arc plate are arranged in sequence from a side close to the support (38) to a side far from the support (38), where J is a natural number greater than 4, and a blocking circular plate (41) is arranged on the right side of the Jth upper arc plate, and a first nozzle (34), a second nozzle (35), a third nozzle, a fourth nozzle, ..., a Jth nozzle are rotatably sleeved on the first lower arc plate (39), the second upper arc plate (40), the third lower arc plate, the fourth upper arc plate, ..., and the Jth upper arc plate.

5. The production equipment of the anti-mite and antibacterial indefinite island ultrafine fiber according to claim 4, characterized in that: The centers of the lower arc plate and the upper arc plate coincide with the center of the support (38); the angle between one side edge of the lower arc plate and the horizontal line is Ω1, the angle between the other side edge of the lower arc plate and the horizontal line is Ω2, the angle between the two side edges of the lower arc plate is Ω3, then 180°<Ω3<360°; the angle between one side edge of the upper arc plate and the horizontal line is Ω4, the angle between the other side edge of the upper arc plate and the horizontal line is Ω5, the angle between the two side edges of the upper arc plate is Ω6, then 180°<Ω6<360°.

6. The production equipment of the anti-mite and antibacterial indefinite island ultrafine fiber according to claim 1, characterized in that: The finishing guide roller group (15) comprises a first fixed guide wheel group (16), a second fixed guide wheel group (17) and an intermediate guide roller group (18) arranged between the first fixed guide wheel group (16) and the second fixed guide wheel group (17), wherein the first fixed guide wheel group (16) and the second fixed guide wheel group (17) are arranged between the front plate and the rear plate, and the intermediate guide roller group (18) comprises a supporting crossbeam (19), a parallelogram adjustment frame (20) and a plurality of spray rollers (55), wherein the supporting crossbeam (19) is arranged between the first fixed guide wheel group (1 6) and the second fixed guide wheel group (17), the parallelogram adjustment frame (20) is rotatably arranged on the supporting crossbeam (19), the parallelogram adjustment frame (20) comprises a long rod 1 (44), a long rod 2 (45), a short rod 1 (66) and a short rod 2 (43), the long rod 1 (44) and the long rod 2 (45) are parallel to each other, the short rod 1 (66) and the short rod 2 (43) are parallel to each other, the long rod 1 (44) and the long rod 2 (45) are parallel to the supporting crossbeam (19), the short rod 1 (66) and the short rod 2 (43) are parallel to each other, 3) rotatably connected to the supporting crossbeam (19), the long rod 1 (44) and the long rod 2 (45) are both deformed long rods (52), a plurality of mounting holes 2 (53) are provided on the deformed long rod (52), a swing rod (54) is rotatably provided in the mounting hole 2 (53), a mounting hole 1 (46) is provided at both ends of the swing rod (54), the spray roller (55) is installed on the swing rod (54) through the mounting hole 1 (46), and the indefinite island microfiber fabric is wound around the spray roller (55) after passing through the first fixed guide wheel group (16), Then, the indeterminate-island superfine fiber fabric passes through the second fixed guide wheel group (17), and the indeterminate-island superfine fiber fabric is interlaced and wound on the plurality of spray rollers (55). By driving the parallelogram adjustment frame (20) to rotate, the spray rollers (55) can move back and forth in the indeterminate-island superfine fiber fabric, and by driving the swing rod (54) to rotate, the spray rollers (55) can move up and down in the indeterminate-island superfine fiber fabric, and the high-pressure supercritical fluid (1) is sprayed out from the first fixed guide wheel group (16), the spray rollers (55) and the second fixed guide wheel group (17).

7. The production equipment of the anti-mite and antibacterial indefinite island ultrafine fiber according to claim 6, characterized in that: The deformable long rod (52) is provided with a plurality of arc grooves (58) on one side, the thickness of the arc grooves (58) being consistent with the thickness of the swing rod (54), and a first clearance hole groove (56) and a second clearance hole groove (57) are also provided on both sides of the second mounting hole (53), and the first clearance hole groove (56) and the second clearance hole groove (57) are in opposite opening directions of the deformable long rod (52).

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