CN115648759A

CN115648759A - Moisture-absorbing quick-drying bio-based chinlon fabric and application thereof in underwear

Info

Publication number: CN115648759A
Application number: CN202211592895.3A
Authority: CN
Inventors: 林静贤; 蓝育玲
Original assignee: Guangdong Singwear Garments Co ltd
Current assignee: Guangdong Singwear Garments Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-01-31
Anticipated expiration: 2042-12-13
Also published as: CN115648759B

Abstract

The invention belongs to the technical field of fabric processing, and provides a moisture-absorbing quick-drying bio-based nylon fabric and application thereof in underwear, wherein the moisture-absorbing quick-drying bio-based nylon fabric comprises a fabric body, and the fabric body consists of a base fabric layer and a moisture-absorbing layer; modifying the fabric body to obtain the fabric; the base cloth layer is made of bio-based nylon fiber; the moisture absorption layer is made of natural fibers; the modification of the fabric body is carried out by plasma irradiation modification, hydrochloric acid solution treatment, dipping modification in a moisture absorption modifier and finally shaping treatment. According to the invention, the modified bentonite is used for modifying and optimizing the fabric, and the optimization efficiency is improved by matching with acetic acid, so that the processed fabric has excellent moisture absorption and air permeability, meanwhile, the moisture absorption stability of the fabric can be improved by modifying the bentonite modified fabric, and after the fabric is processed by a shaping device, the wrinkle removing effect of the fabric is obviously enhanced.

Description

Moisture-absorbing quick-drying bio-based chinlon fabric and application thereof in underwear

Technical Field

The invention relates to the technical field of fabric processing, in particular to a moisture-absorbing quick-drying bio-based chinlon fabric and application thereof in underwear.

Background

With the gradual depletion of fossil resources and the enhancement of environmental awareness of people, more attention is paid to environment-friendly materials based on organisms, and chinlon has to face transformation. The bio-based chinlon produced by using biomass resources such as castor oil, glucose and the like as raw materials gradually gets into the sight of various large chemical enterprises around the world. The existing bio-based nylon fabric is poor in moisture absorption and quick drying effects, sweat releasing is affected, comfort is reduced, wrinkles are prone to occurring, and after the wrinkled fabric is rolled, the fabric can be mutually extruded, the fabric is prone to being damaged, and the use efficiency of the fabric is further affected; although the method adds various chemical agents on the surface of the nylon fabric, carries out padding groove padding treatment, then carries out heat preservation stacking, washing desizing, sequentially immersing in hot water, warm water and cold water in an open width manner, and finally fixes the washed semi-finished nylon grey cloth on a forming machine for forming, the forming method has poor wrinkle removing efficiency, is easy to recover wrinkles, is difficult to completely remove the wrinkles, can not improve the moisture absorption and quick drying efficiency of products, and limits the preparation efficiency of the fabric.

Disclosure of Invention

The invention provides a moisture-absorbing quick-drying bio-based chinlon fabric and application thereof in underwear, which aim to solve the technical problems; in order to achieve the purpose, the invention provides the following technical scheme: a moisture-absorbing quick-drying bio-based chinlon fabric comprises a fabric body, wherein the fabric body consists of a base fabric layer and a moisture-absorbing layer; modifying the fabric body to obtain the fabric; the base cloth layer is made of bio-based nylon fiber; the moisture absorption layer is made of natural fibers; modifying the fabric body by plasma irradiation modification, hydrochloric acid solution treatment, soaking modification in a moisture absorption modifier and finally shaping treatment; the preparation method of the moisture-absorbing quick-drying bio-based chinlon fabric comprises the following steps:

firstly, forming a fabric body through a base fabric layer and a moisture absorption layer, and then sending the fabric body into a plasma box for irradiation treatment, wherein the irradiation power is 210-220W, and the irradiation time is 20-30min;

secondly, placing the fabric body irradiated in the first step into a 5-10% hydrochloric acid solution with the weight 3-4 times that of the fabric body, treating for 20-30min at 45-55 ℃, washing with water, and drying;

step three, sending the mixture into a moisture absorption modifier with the weight 2-3 times of that of the product obtained in the step two for dipping treatment, and washing and drying the product after dipping treatment for standby;

step four, carrying out setting treatment on the fabric body in the step three;

the sizing treatment comprises the following steps:

s01, fixing the two sides of the head of the fabric body by using clips in a clamping mechanism of a shaping device, and pushing the clamping mechanism into a sliding groove of a Z-shaped sliding rail;

s02, pulling the head of the fabric body to sequentially bypass the outer walls of the roller bodies of the first turning roller and the second turning roller, and then carrying out shaping operation;

s03, arranging a sliding pressing block which moves back and forth through a steam box so as to iron, remove wrinkles and shape the surface of the fabric body in the conveying process by pressure, and keeping the shape after shaping for a long time by matching with pulling of clamping mechanisms on two sides;

s04, then, humidifying high-temperature steam and rolling the sliding pressing block in a reciprocating sliding mode, so that the fabric body can be kept in a flat state; through the arrangement of the brush cloth and the hard brush bristles, in the fabric conveying process, the force for pushing and sweeping towards two sides is generated on the surface of the first turning roller, and wrinkles are avoided.

The shaping device comprises a first conveying table and a second conveying table which are identical in structure and parallel to each other, the first conveying table is of a long strip-shaped groove-shaped structure with a downward opening, sliding holes consistent with the extending direction of the first conveying table are formed in the middle of the upper surfaces of the first conveying table and the second conveying table, the sliding holes are of a straight groove-shaped structure, the width of each sliding hole is smaller than that of the fabric body, Z-shaped sliding rails which are parallel to each other are respectively fixed on the upper surfaces of the first conveying table and the second conveying table close to the front and rear side edges, the opening of each Z-shaped sliding rail faces upwards, clamping mechanisms distributed at equal intervals are connected in the Z-shaped sliding rails in a sliding mode, the clamping mechanisms clamp the two side edges of the fabric body and then convey the fabric body, secondary shrinkage generated in the shaping process is avoided, lower roll frames which are symmetrical to each other are respectively fixed on the front and rear side edges of the first conveying table far away from the feeding end, a first turning roll is rotatably connected between the two lower roll frames, one end of the second conveying table is fixed with two upper roll frames, a second turning roll frame is rotatably connected between the two upper roll frames, and the fabric body is wound in a reverse-folding roll shape; the ironing mechanism is connected in the sliding hole in a sliding mode and comprises a steam box connected in the sliding hole in a sliding mode, the plane where the top end of the steam box is located is three to ten millimeters lower than the upper surface of the conveying table, an arc-shaped magnet is fixed on the outer wall of the circumference of the steam box, a sliding pressing block is arranged on the upper surface of the fabric body above the steam box in a sliding mode, and the lower surface of the sliding pressing block is polished; through steam box and round trip movement's slip briquetting setting, can iron the surface fabric body surface of data send process and remove wrinkle and pressure design to cooperation both sides fixture draw at this in-process and to keep the shape after the design lastingly, prevent that the surface fabric body from curling to the centre, cooperate the humidifying of high temperature steam and the back and forth slip of slip briquetting again and roll the pressure, can let the surface fabric body keep the leveling state.

The fabric is further provided with a first turning roller and a second turning roller which are the same in structural shape, the whole first turning roller is of a spindle-shaped structure with two small-diameter ends, and the fabric body is conveyed in a tight state; through set up the little turn roller of two diameters and turn roller two in turn department, can let the extension rate grow in the middle of the surface fabric body to a certain extent, the ironing operation in cooperation later stage can let middle shrinkage and residual stress diminish, improves the design effect.

The device is further provided with an expansion mechanism arranged on the side face, close to the first turning roller, of the first conveying table, the expansion mechanism comprises a driving motor which is fixed to the end portion of the lower surface of the first conveying table and located in the middle of the first conveying table, a driving gear is fixed to the top end of an output shaft of the driving motor, mutually symmetrical conveying mechanisms are arranged on two sides of the driving motor respectively, the conveying mechanism comprises two L-shaped bearing frames fixed to the lower surface of one end portion of the first conveying table, the top ends of the two bearing frames are connected with conveying rollers which are parallel to each other in a rotating mode respectively, a piece of brush cloth is wound between the outer walls of roller bodies of the two conveying rollers, hard bristles are arranged on the outer surfaces of the brush cloth, the surfaces of the brush cloth are attached to the outer wall of the first turning roller, driven gears are fixed to the bottom ends of the two conveying rollers close to the middle of the first conveying rollers, and the two driven gears are meshed with the driving gear; through the arrangement of the brush cloth and the hard brush bristles, the force for pushing and sweeping the fabric to two sides can be generated when the fabric passes through the surface of the first turning roller in the fabric conveying process, and wrinkles are avoided.

The device is further arranged in that an L-shaped supporting plate is fixed between the two conveying rollers on the same side, two reset springs are fixed on one side, close to the first turning roller, of a vertical plate of the L-shaped supporting plate, a supporting plate is fixed on one side, close to the first turning roller, of the two reset springs, a horizontal arc-shaped groove is formed in one side, far away from the reset springs, of the supporting plate, and the shape of the arc-shaped groove is matched with the shape of the first turning roller; through the setting of opening the board that supports that has the arc wall, can improve the extrusion force of brushing cloth to this body surface of surface material, improve and prevent the fold effect, can also carry out the ascending extension of width direction to the surface material body to a certain extent and remove the fold, play the effect of supplementary design.

The steam box is further provided with a plurality of steam outlets distributed at equal intervals on the upper surface, a protective net is arranged on each steam outlet, a suspended electric heating ring is fixed at the inner bottom of the steam box, and an electric heater matched with the electric heating ring is fixed on the outer wall of the steam box; the heating device has the advantages that a heating effect is provided for the interior of the steam box, and the circumferential outer wall of the steam box is also provided with a water injection hole and a liquid level meter; two boss sliding blocks which are symmetrical to each other are fixed on the circumferential outer wall of the steam box close to the bottom end, groove-shaped sliding rails which are opposite in opening and parallel to each other are respectively fixed on the lower surface of the first conveying table at the long sides of the two sides of the sliding hole, and the two boss sliding blocks are connected in the corresponding groove-shaped sliding rails in a sliding mode; the two sides of the upper surface of the first conveying table, which are close to four corners, are respectively fixed with a triangular bracket, the top ends of the four triangular brackets are respectively fixed with two beam slide rails with upward openings and are parallel to each other, the sliding chutes of the two beam slide rails are respectively connected with a beam slide block in a sliding manner, the top ends of the two beam slide blocks are respectively fixed with two tension spring springs, the same sliding beam is fixed between the top ends of the four tension spring springs, the upper surface of a sliding press block is fixed in the middle position of the lower surface of the sliding beam, the lower surface of the beam slide block, which is close to the four corners, is respectively embedded with a ball, the sliding beam, which is close to the two ends, is respectively provided with a mounting hole, an electromagnet is fixed in each mounting hole, and a gap is reserved between the lower surface of the electromagnet and the upper surface of the first conveying table; through the setting of electro-magnet, can change the appeal through the increase electric current in the slip process, change the pushing down force of slip briquetting to surface fabric body surface then.

The conveying mechanism comprises belt guide wheels which are fixed on the two groove-shaped slide rails and are close to four corners and symmetrical with each other, a same conveying belt is wound between the outer circumferential walls of the four belt guide wheels, a speed reduction motor is fixed at the bottom end of a wheel shaft of one belt guide wheel through a coupling and provides power for the conveying mechanism, two boss sliding blocks are respectively provided with a through belt perforation, the conveying belt penetrates through the two belt perforations and a gap is reserved between the conveying belt and the inner wall of the belt perforation, the end parts of the two boss sliding blocks are respectively provided with a mounting groove communicated with the belt perforation, electric control positioning pins are fixed in the mounting grooves, and brake pads are fixed at the end heads of the two electric control positioning pins; through the perforation setting of automatically controlled locating pin and belt, can be at control steam box along slide opening reciprocating motion's in-process, only need intermittent type nature control two automatically controlled locating pins the turn on with close can, at this moment, the boss slider of both sides can form relatively fixed with the conveyer belt in succession, can carry out reciprocating motion.

The invention is further characterized in that a clamping groove is formed in the upper surface of the sliding pressing block, and a vibration motor is arranged in the clamping groove, so that the fabric with larger wrinkles can be vibrated and compacted and the wrinkles can be removed when the fabric is used.

The invention is further arranged in that a gap is reserved between the Z-shaped sliding rail and the outer walls of the first turning roller and the second turning roller, so that the clamping mechanism can normally pass through the gap.

The fabric body clamping mechanism is further arranged in the invention, the clamping mechanism comprises an anti-falling roller which is connected in a Z-shaped sliding rail in a sliding manner, the middle of the anti-falling roller is rotatably connected with an anti-falling roller frame, a supporting plate block is fixed at the top end of the anti-falling roller frame, an outer barrel which is provided with a cavity and is integrally cylindrical is clamped on one side of the supporting plate block away from the Z-shaped sliding rail, the middle of the outer barrel is connected with a shaft rod in a sliding manner, a clamp is fixed at one end of the shaft rod close to the fabric body, a spring retainer ring is fixed in the middle of the shaft rod, a compression spring is fixed at one end of the spring retainer ring away from the clamp, and a distance is reserved between the clamp and the side surface of the fabric body; through having compression spring and the setting of the clip that has certain distance apart from the surface fabric body, can be when using, produce certain pulling power to the both sides edge of surface fabric body, then can avoid producing the condition to middle shrink in the data send process.

The device is further arranged in that a fixing frame is fixed at one end, away from the clamp, of the shaft lever, a permanent magnet is clamped on the fixing frame, magnetic bar sleeves I which are parallel to each other are fixed on the front side and the rear side of the first conveying table, magnetic bar sleeves II which are parallel to each other are fixed on the two opposite sides of the two upper roll frames respectively, magnetic bar sleeves III are fixed on the front side and the rear side of the second conveying table, which are close to the cross beam slide rail, bar magnets which are distributed at equal intervals are fixed on one sides of the magnetic bar sleeves I, the magnetic bar sleeves II and the magnetic bar sleeves III, which are close to the Z-shaped slide rail, gaps are reserved between the bar magnets and the permanent magnet, and the gaps are in a magnetic range; through the arrangement of the intermittent strip magnets, weak pulling force towards two sides can be continuously generated in the advancing process of the fabric body, and then stress removal and wrinkle removal can be carried out on the fabric.

The invention further provides a preparation method of the moisture absorption modifier, which comprises the following steps:

s11, mixing chitosan, sodium dodecyl sulfate and water according to a weight ratio of 1:2:5 stirring and mixing to prepare chitosan treatment fluid;

s12, firstly, feeding the bentonite into a furnace to be thermally treated at 300-400 ℃ for 10-20min, and then cooling to room temperature at the speed of 2-5 ℃/min;

s13, adding 10-15 parts of S12 bentonite into 30-40 parts of deionized water, uniformly stirring and dispersing, then adding 5-10% of sodium hydroxide and 2-6% of sodium alginate based on the total weight of the bentonite, fully stirring and mixing, then washing with water, and drying to obtain modified bentonite;

s14, mixing the modified bentonite of S13 according to a weight ratio of 1:5, adding the mixture into the chitosan treatment solution, then adding an acetic acid aqueous solution with the concentration of 0.9-1.2g/L, wherein the acetic acid aqueous solution accounts for 10-15% of the total amount of the modified bentonite, and continuously stirring and fully mixing to obtain the moisture absorption modifier.

The invention is further characterized in that in the third step, the dipping pressure is 10-20MPa, the dipping temperature is 45-55 ℃, and the dipping time is 1-2h.

The invention further provides application of the moisture-absorbing quick-drying bio-based chinlon fabric in underwear.

The beneficial effects of the invention are as follows:

1. according to the invention, the activity of the fiber surface of the fabric body is improved by the plasma irradiation of the fabric body, and meanwhile, the activity is further enhanced by improving and optimizing the fabric body by being matched with the hydrochloric acid soaking; the moisture absorption modifier adopts bentonite, the interlayer spacing of the bentonite is improved by calcination heat treatment, the gas flow channel property of the bentonite is improved, the air permeability is improved, the hydrophilic property of the bentonite is improved by the coordination modification of sodium hydroxide and sodium alginate, the modified bentonite is matched with chitosan, sodium dodecyl sulfate, acetic acid and water, the surface wetting modification is carried out on the fabric by the coordination of the sodium dodecyl sulfate and the chitosan, the modified bentonite is further optimized for modification of the fabric body, the optimization efficiency is improved by the coordination of the acetic acid, the chitosan permeability can be improved by the acetic acid, so that the optimized modification effect of the fabric body is improved, the treated fabric has excellent moisture absorption and air permeability, and meanwhile, the moisture absorption stability of the fabric can be improved by the experimental data test of the modified bentonite modified fabric, and the wrinkle removing effect of the fabric is obviously enhanced after the fabric is treated by a shaping device; the surface of the fabric body in the conveying process can be ironed, wrinkle removed and pressure shaped through the arrangement of the steam box and the sliding pressing block which moves back and forth, the shaped shape can be kept for a long time in the process by matching with the pulling of the clamping mechanisms on the two sides, the fabric body is prevented from curling towards the middle, and the fabric body can be kept in a flat state by matching with the humidification of high-temperature steam and the back and forth sliding pressing of the sliding pressing block;

2. the first turning roller and the second turning roller with small diameters at two ends are arranged at the turning positions, so that the extension rate of the middle of the fabric body can be increased to a certain extent, the shrinkage rate and the stress residual strain of the middle can be reduced by matching with later ironing operation, and the shaping effect is improved;

3. through the arrangement of the supporting plate with the arc-shaped groove, the extrusion force of the brushing cloth on the surface of the fabric body can be improved, the wrinkle preventing effect is improved, the fabric body can be extended and wrinkle removed in the width direction to a certain extent, and the effect of auxiliary shaping is achieved;

4. through the setting that has compression spring and has the clip of certain distance apart from the surface fabric body, can be when using, produce certain pulling power to the both sides edge of surface fabric body, can avoid then producing the condition to middle shrink in the data send process, the setting of cooperation permanent magnet can be at the in-process that the surface fabric body gos forward, and continuous production is weak pulls power to the undulant of pulling of both sides, can carry out destressing and fold removal to the surface fabric then.

Drawings

Fig. 1 is a schematic view of the overall structure of the setting device according to the present invention;

fig. 2 is a side view of the setting device according to the present invention;

FIG. 3 is a structural diagram of the sizing device for sizing the fabric according to the present invention;

FIG. 4 is a bottom view of the setting device according to the present invention;

FIG. 5 is a side view of the structure of the ironing mechanism casing in the setting device of the present invention;

fig. 6 is a front view of an ironing mechanism in the setting device according to the present invention;

fig. 7 is a perspective view of a transfer mechanism in the setting device according to the present invention;

fig. 8 is an assembly view of an expanding mechanism in the setting device according to the present invention;

fig. 9 is a perspective view of a holding mechanism according to the present invention;

fig. 10 is a sectional view of a clamping mechanism in the setting device according to the present invention.

In the figure: 1. a first conveying table; 2. a tension spring; 3. a sliding cross beam; 4. a cross beam slide rail; 5. a lower roll stand; 6. an expansion mechanism; 61. brushing cloth; 62. a conveying roller; 63. a resisting plate; 64. a bearing bracket; 65. a driven gear; 66. hard bristles; 67. a return spring; 68. an L-shaped support plate; 69. a drive motor; 7. a groove-shaped sliding rail; 8. a boss slider; 9. a steam box; 10. a steam outlet; 11. sliding a pressing block; 12. a slide hole; 13. a second conveying table; 14. a Z-shaped slide rail; 15. an upper roller frame; 16. a magnetic bar sleeve II; 17. a clamping mechanism; 171. an outer tub; 172. a clip; 173. an anti-drop roller; 174. a pallet block; 175. a permanent magnet; 176. a shaft lever; 177. an anti-drop roller frame; 178. a spring collar; 179. a compression spring; 18. the magnetic bar is sleeved with the first magnetic bar; 19. a bar magnet; 20. a magnetic bar sleeve III; 21. a triangular bracket; 22. a beam slider; 23. a fabric body; 24. an electric heater; 25. a reduction motor; 26. a conveyor belt; 27. an electromagnet; 28. a belt guide pulley; 29. perforating a belt; 30. an electric control positioning pin; 31. and (4) mounting the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

A moisture-absorbing quick-drying bio-based chinlon fabric comprises a fabric body, wherein the fabric body consists of a base fabric layer and a moisture-absorbing layer; modifying the fabric body to obtain the fabric; the base cloth layer is made of bio-based nylon fiber; the moisture absorption layer is made of natural fibers; the modification of the fabric body is carried out by plasma irradiation modification, hydrochloric acid solution treatment, dipping modification in a moisture absorption modifier and finally shaping treatment.

The preparation method of the moisture-absorbing quick-drying bio-based chinlon fabric comprises the following steps:

firstly, forming a fabric body through a base fabric layer and a moisture absorption layer, and then sending the fabric body 23 into a plasma box for irradiation treatment, wherein the irradiation power is 210-220W, and the irradiation time is 20-30min;

secondly, placing the fabric body 23 irradiated in the first step into a 5-10% hydrochloric acid solution with the weight 3-4 times that of the fabric body for treatment for 20-30min, wherein the treatment temperature is 45-55 ℃, and finishing treatment, washing and drying;

step four, performing setting treatment on the fabric body 23 in the step three;

the sizing treatment comprises the following steps:

s01, fixing the two sides of the head of the fabric body 23 by using clips 172 in a clamping mechanism 17 of a shaping device, and then pushing the clamping mechanism 17 into a sliding groove of a Z-shaped sliding rail 14;

s02, pulling the head of the fabric body 23 to sequentially bypass the outer walls of the roller bodies of the first turning roller and the second turning roller, and then carrying out shaping operation;

s03, arranging a sliding pressing block 11 which moves back and forth through a steam box 9 to iron, remove wrinkles and shape the surface of the fabric body 23 in the conveying process by pressure, and keeping the shape after shaping for a long time by matching with pulling of the clamping mechanisms 17 on the two sides;

s04, then, humidifying high-temperature steam and rolling the sliding press block 11 in a back-and-forth sliding manner, so that the fabric body 23 can be kept in a flat state; through the arrangement of the brush cloth 61 and the hard bristles 66, in the fabric conveying process, the force for pushing and sweeping the fabric to two sides is generated through the surface of the first turning roller, and wrinkles are avoided.

Further, the preparation method of the moisture absorption modifier comprises the following steps:

s12, feeding the bentonite into a furnace for heat treatment at 300-400 ℃ for 10-20min, and then cooling to room temperature at the speed of 2-5 ℃/min;

s14, mixing the modified bentonite of S13 according to a weight ratio of 1:5, adding the mixture into the chitosan treatment solution, then adding an acetic acid aqueous solution with the concentration of 0.9-1.2g/L, wherein the acetic acid aqueous solution accounts for 10-15% of the total weight of the modified bentonite, and continuously stirring and fully mixing to obtain the moisture absorption modifier.

The dipping pressure is 10-20MPa, the dipping temperature is 45-55 ℃, and the dipping time is 1-2h.

Referring to fig. 1-10, further, the shaping device includes a first conveying table 1 and a second conveying table 13 which are identical in structure and parallel to each other, the first conveying table 1 is a long-strip groove-shaped structure with a downward opening, sliding holes 12 which are consistent with the extending direction of the first conveying table 1 are formed in the middle of the upper surfaces of the first conveying table 1 and the second conveying table 13, the sliding holes 12 are straight-notch-shaped structures, the width of the sliding holes 12 is smaller than that of the fabric body 23, parallel Z-shaped sliding rails 14 are respectively fixed on the upper surfaces of the first conveying table 1 and the second conveying table 13 near the front and rear side edges, the opening of the Z-shaped sliding rails 14 faces upward, clamping mechanisms 17 which are distributed at equal intervals are slidably connected in the Z-shaped sliding rails 14, the clamping mechanisms 17 clamp the two side edges of the fabric body 23 for conveying, secondary shrinkage is avoided in the shaping process, lower roller frames 5 which are symmetrical to each other from the front and rear side of the first conveying table 1 far from the feeding end are respectively fixed, a first turning roller frame 5 is rotatably connected between the two lower roller frames, and a second turning roller frame 15 is connected between the two turning roller frames which are wound by a first turning roller frame 23 and a turning roller frame 15 which is wound on the outer wall of the turning roller frame which is connected with a turning roller 23; an ironing mechanism is connected in the sliding hole 12 in a sliding mode and comprises a steam box 9 connected in the sliding hole 12 in a sliding mode, the plane where the top end of the steam box 9 is located is three to ten millimeters lower than the upper surface of the first conveying table 1, an arc-shaped magnet is fixed to the outer wall of the circumference of the steam box 9, a sliding pressing block 11 is arranged on the upper surface of the fabric body 23 above the steam box 9 in a sliding mode, and the lower surface of the sliding pressing block 11 is polished; through steam box 9 and the setting of reciprocating motion's slip briquetting 11, can iron the surface of the surface fabric body 23 that is in the transfer process and remove wrinkle and pressure design to drawing of cooperation both sides fixture 17 at this in-process and dragging can keep the shape after the design lastingly, prevent that surface fabric body 23 from curling to the centre, the pressure is rolled in the back and forth slip of the humidification of deuterogamy high temperature steam and slip briquetting 11, can let surface fabric body 23 keep the temper.

The first turning roller and the second turning roller are identical in structural shape, the whole first turning roller is of a spindle-shaped structure with two small-diameter ends, and the fabric body 23 is conveyed in a tight state; through set up the little turn roller of two diameters and turn roller two in turn department, can let the extension rate grow in the middle of the surface fabric body 23 to a certain extent, the ironing operation in cooperation later stage can let middle shrinkage and residual stress diminish, improves the design effect.

Referring to fig. 8, an extension mechanism 6 is arranged on the side surface of the first conveying table 1 close to the first turning roller, the extension mechanism 6 comprises a driving motor 69 fixed at the middle of the end part of the lower surface of the first conveying table 1, a driving gear is fixed at the top end of an output shaft of the driving motor 69, mutually symmetrical conveying mechanisms are respectively arranged on two sides of the driving motor 69, the conveying mechanisms comprise two bearing frames 64 which are of an L-shaped structure and fixed at the lower surface of the end part of the first conveying table 1, mutually parallel conveying rollers 62 are respectively and rotatably connected to the top ends of the two bearing frames 64, a same piece of brush cloth 61 is wound between the outer walls of the roller bodies of the two conveying rollers 62, hard bristles 66 are arranged on the outer surface of the brush cloth 61, the surface of the brush cloth 61 is attached to the outer wall of the first turning roller, driven gears 65 are fixed at the bottom ends of the two conveying rollers 62 close to the middle, and the two driven gears 65 are mutually meshed with the driving gear; through the arrangement of the brush cloth 61 and the hard bristles 66, in the fabric conveying process, when the fabric passes through the surface of the first turning roll, pushing and sweeping forces towards two sides can be generated, and wrinkles are avoided.

Referring to fig. 1-3 and 8, an L-shaped supporting plate 68 is fixed between the two conveying rollers 62 on the same side, two return springs 67 are fixed on one side of a vertical plate of the L-shaped supporting plate 68 close to the first turning roller, a resisting plate 63 is fixed on one side of the two return springs 67 close to the first turning roller, a horizontal arc-shaped groove is formed on one side of the resisting plate 63 far away from the return springs 67, and the shape of the arc-shaped groove is matched with the shape of the first turning roller; through opening the setting that has arc wall's support board 63, can improve brush 61 and prevent the fold effect to the extrusion force on surface of facing material body 23, can also carry out the extension on the width direction to facing material body 23 to a certain extent and remove the fold, play the effect of supplementary design.

Referring to fig. 5-7, a plurality of steam outlets 10 distributed at equal intervals are formed in the upper surface of a steam box 9, a protective net is arranged on each steam outlet 10, a suspended electric heating ring is fixed at the inner bottom of the steam box 9, an electric heater 24 matched with the electric heating ring is fixed on the outer wall of the steam box 9 to provide a heating effect for the interior of the steam box 9, and a water injection hole and a liquid level meter are further arranged on the circumferential outer wall of the steam box 9; two boss sliding blocks 8 which are symmetrical to each other are fixed on the circumferential outer wall of the steam box 9 close to the bottom end, groove-shaped sliding rails 7 which are opposite in opening and parallel to each other are respectively fixed on the long sides of the lower surface of the first conveying table 1 which are located on the two sides of the sliding hole 12, and the two boss sliding blocks 8 are connected in the corresponding groove-shaped sliding rails 7 in a sliding mode; the two sides of the upper surface of the first conveying table 1, which are close to four corners, are respectively fixed with a triangular bracket 21, the top ends of the four triangular brackets 21 are respectively fixed with two beam slide rails 4 with upward openings and are parallel to each other, the sliding chutes of the two beam slide rails 4 are respectively connected with a beam slide block 22 in a sliding manner, the top ends of the two beam slide blocks 22 are respectively fixed with two tension spring springs 2, the same sliding beam 3 is fixed between the top ends of the four tension spring springs 2, the upper surface of the sliding press block 11 is fixed at the middle position of the lower surface of the sliding beam 3, the lower surface of the beam slide block 22, which is close to the four corners, is respectively embedded with a ball, the sliding beam 3 is respectively provided with a mounting hole close to the two ends, an electromagnet 27 is fixed in each mounting hole, and a gap is reserved between the lower surface of the electromagnet 27 and the upper surface of the first conveying table 1; through the arrangement of the electromagnet 27, the attractive force can be changed by increasing the current during the sliding process, so that the downward pressure of the sliding pressure block 11 on the surface of the fabric body 23 is changed.

Referring to fig. 5-7, a conveying mechanism is arranged on one opposite side of the two groove-shaped slide rails 7, and the conveying mechanism includes belt guide wheels 28 fixed at four corners of the two groove-shaped slide rails 7 and symmetrical to each other, and a same conveyor belt 26 is wound between the circumferential outer walls of the four belt guide wheels 28, a speed reduction motor 25 is fixed at the bottom end of the wheel shaft of one of the belt guide wheels 28 through a coupling to provide power for the conveying mechanism, two boss sliders 8 are respectively provided with a belt perforation 29, the conveyor belt 26 passes through the two belt perforations 29 and leaves a gap with the inner wall of the belt perforation 29, the end portions of the two boss sliders 8 are respectively provided with an installation groove 31 communicated with the belt perforation 29, the installation grooves 31 are respectively fixed with an electric control pin head 30, the ends of the two electric control pins 30 are respectively fixed with brake pads, and the electric control pins 30 and the belt perforations 29 are arranged to intermittently control the two electric control the alternate start and close of the two electric control pins 30 in the process of controlling the steam box 9 to reciprocate along the slide hole 12, and at this time, the boss sliders 8 on both sides can be fixed with the conveyor belt 26 in sequence, and can reciprocate.

Referring to fig. 1, a clamping groove is formed in the upper surface of the sliding pressing block 11, and a vibration motor is arranged in the clamping groove, so that the fabric with larger wrinkles can be vibrated and compacted and the wrinkles can be removed when the fabric is used.

Referring to fig. 1, a gap is left between the z-shaped sliding rail 14 and the outer walls of the first turning roller and the second turning roller to ensure that the clamping mechanism 17 can normally pass through.

Referring to fig. 9-10, the clamping mechanism 17 includes an anti-falling roller 173 slidably connected in the Z-shaped slide rail 14, the middle of the anti-falling roller 173 is rotatably connected with an anti-falling roller frame 177, a supporting plate block 174 is fixed at the top end of the anti-falling roller frame 177, an outer barrel 171 with a cavity and a cylindrical structure as a whole is clamped at one side of the supporting plate block 174 away from the Z-shaped slide rail 14, a shaft lever 176 is slidably connected in the middle of the outer barrel 171, a clip 172 is fixed at one end of the shaft lever 176 close to the fabric body 23, a spring retaining ring 178 is fixed in the middle of the shaft lever 176, a compression spring 179 is fixed at one end of the spring retaining ring 178 away from the clip 172, and a distance is reserved between the clip 172 and the side surface of the fabric body 23; through the arrangement of the clamp 172 with the compression spring 179 and a certain distance from the fabric body 23, a certain pulling force can be generated at the two side edges of the fabric body 23 when in use, and then the condition of shrinkage towards the middle in the conveying process can be avoided.

Referring to fig. 1-2 and fig. 10, a fixing frame is fixed at one end of the shaft lever 176 far away from the clamp 172, a permanent magnet 175 is clamped on the fixing frame, a first magnetic bar sleeve 18 parallel to each other is fixed on the front side and the rear side of the first conveying table 1, a second magnetic bar sleeve 16 parallel to each other is fixed on the two opposite sides of the two upper roller frames 15, a third magnetic bar sleeve 20 is fixed on the front side and the rear side of the second conveying table 13 close to the cross beam slide rail 4, bar magnets 19 distributed at equal intervals are fixed on one sides of the first magnetic bar sleeve 18, the second magnetic bar sleeve 16 and the third magnetic bar sleeve 20 close to the Z-shaped slide rail 14, and a gap is reserved between each bar magnet 19 and the permanent magnet 175 and is within a magnetic range; through the arrangement of the intermittent strip magnets 19, weak pulling force towards two sides fluctuation can be continuously generated in the advancing process of the fabric body 23, and then the fabric can be subjected to stress removal and wrinkle removal.

Example 1

firstly, feeding a fabric body into a plasma box for irradiation treatment, wherein the irradiation power is 210W, and the irradiation time is 20min;

step two, placing the fabric body irradiated in the step one in a 5% hydrochloric acid solution with the weight 3 times that of the fabric body for treatment for 20min, wherein the treatment temperature is 45 ℃, and washing and drying the fabric body;

step three, sending the mixture into a moisture absorption modifier with the weight 2 times that of the product obtained in the step two for dipping treatment, and washing and drying the product after dipping treatment for standby;

step four, carrying out shaping treatment on the fabric body obtained in the step three by adopting a shaping device;

the preparation method of the moisture absorption modifier in the embodiment comprises the following steps:

s12, feeding the bentonite into a furnace for heat treatment at 300 ℃ for 10min, and then cooling to room temperature at the speed of 2 ℃/min;

s13, adding 10 parts of S12 bentonite into 30 parts of deionized water, uniformly stirring and dispersing, then adding 5% sodium hydroxide and 2% sodium alginate by weight of the bentonite, fully stirring and mixing, washing with water, and drying to obtain modified bentonite;

s14, mixing the modified bentonite of the S13 according to the weight ratio of 1:5, adding the mixture into the chitosan treatment solution, then adding an acetic acid aqueous solution with the concentration of 0.9g/L, wherein the acetic acid aqueous solution accounts for 10 percent of the total weight of the modified bentonite, and continuously stirring and fully mixing to obtain the moisture absorption modifier.

In the third step of this example, the dipping pressure is 10MPa, the dipping temperature is 45 ℃, and the dipping time is 1-2h.

Example 2

firstly, feeding a fabric body into a plasma box for irradiation treatment, wherein the irradiation power is 220W, and the irradiation time is 30min;

step two, placing the fabric body irradiated in the step one in 10% hydrochloric acid solution with the weight 4 times that of the fabric body for treatment for 30min, wherein the treatment temperature is 55 ℃, and washing and drying the fabric body;

step three, sending the mixture into a moisture absorption modifier with the weight 3 times that of the product obtained in the step two for dipping treatment, washing and drying the product after the dipping treatment is finished for standby;

s12, feeding the bentonite to 400 ℃ for heat treatment for 20min, and then cooling to room temperature at the speed of 5 ℃/min;

s13, 15 parts of S12 bentonite is added into 40 parts of deionized water to be uniformly stirred and dispersed, then sodium hydroxide accounting for 10% of the total weight of the bentonite and sodium alginate accounting for 6% of the total weight of the bentonite are added, the mixture is stirred and fully mixed, and then the mixture is washed and dried to obtain modified bentonite;

s14, mixing the modified bentonite of the S13 according to the weight ratio of 1:5, adding the mixture into the chitosan treatment solution, then adding an acetic acid aqueous solution with the concentration of 1.2g/L, wherein the weight of the acetic acid aqueous solution is 15% of the total weight of the modified bentonite, and continuously stirring and fully mixing to obtain the moisture absorption modifier.

In the third step of this example, the pressure of impregnation was 20MPa, the impregnation temperature was 55 ℃ and the impregnation time was 2 hours.

Example 3

firstly, feeding a fabric body into a plasma box for irradiation treatment, wherein the irradiation power is 215W, and the irradiation time is 25min;

step two, placing the fabric body irradiated in the step one in 7.5% hydrochloric acid solution with the weight 3.5 times of the weight of the fabric body for treatment for 25min, wherein the treatment temperature is 50 ℃, and washing and drying the fabric body;

step three, sending the mixture into a moisture absorption modifier with the weight 2.5 times of that of the product obtained in the step two for dipping treatment, and washing and drying the product after dipping treatment for standby;

s12, feeding the bentonite into a furnace for heat treatment at 350 ℃ for 15min, and then cooling to room temperature at the speed of 3.5 ℃/min;

s13, 12.5 parts of S12 bentonite is added into 35 parts of deionized water, stirred and dispersed uniformly, then sodium hydroxide accounting for 7.5% of the total weight of the bentonite and sodium alginate accounting for 4% of the total weight of the bentonite are added, stirred and mixed fully, and then the mixture is washed and dried to obtain modified bentonite;

s14, mixing the modified bentonite of S13 according to a weight ratio of 1:5, adding the chitosan treatment solution, then adding an acetic acid aqueous solution with the concentration of 1.0g/L, wherein the weight of the acetic acid aqueous solution is 12.5 percent of the total weight of the modified bentonite, and continuously stirring and fully mixing to obtain the moisture absorption modifier.

In the third step of this example, the pressure of impregnation is 15MPa, the impregnation temperature is 50 ℃, and the impregnation time is 1-2h.

Comparative example 1

The difference from example 3 is that the irradiation treatment of step one was not employed.

Comparative example 2

The difference from example 3 is that the hydrochloric acid treatment of step two was not used.

Comparative example 3

Unlike example 3, no treatment with a moisture absorption modifier was used.

Comparative example 4

The difference from example 3 is that the moisture absorption modifier was prepared without adding S13 modified bentonite.

Comparative example 5

The difference from example 3 is that the modified bentonite was not subjected to the S12 heat treatment in the modification.

Comparative example 6

The difference from example 3 was that no chitosan treatment solution was added.

Comparative example 7

The difference from example 3 is that the chitosan treatment solution was not added with sodium lauryl sulfate.

The products of examples 1 to 3 and comparative examples 1 to 7 were subjected to a performance test:

as can be seen from comparative examples 1 to 7 and examples 1 to 4: the product of the embodiment 3 of the invention has excellent water evaporation rate and moisture permeability; the moisture absorption and quick drying performance effect is excellent; the irradiation treatment in the first step and the hydrochloric acid treatment in the second step are not adopted, the moisture absorption and quick drying performance of the product has a variation trend, the moisture absorption and quick drying performance of the product is more obvious due to the fact that the moisture absorption and quick drying performance of the product is not treated by the moisture absorption modifier, and the moisture absorption and quick drying performance of the product is remarkably improved due to the fact that the moisture absorption modifier is adopted for treatment; the moisture absorption modifier is prepared without adding S13 modified bentonite and chitosan treatment liquid, so that the moisture absorption performance of the product has obvious variation trend, and meanwhile, the modified bentonite and the chitosan treatment liquid have different preparation methods and have variation trend.

The fabrics of examples 1-3 and comparative examples 1-7 are washed for 10 times, and the performances of the fabrics are tested:

as can be seen from examples 1-3 and comparative examples 1-7, the durability stability of the product is poor without adopting the moisture absorption modifier, the moisture absorption stability of the product is obviously poor, meanwhile, the modified bentonite of S13 is not added in the preparation of the moisture absorption modifier, the performance degradation trend of the product is obvious, and the moisture absorption stability effect of the product is obviously improved by adopting the modified bentonite of the invention; meanwhile, the chitosan treatment solution is matched with the modified bentonite, and the irradiation treatment in the first step and the hydrochloric acid treatment in the second step have a synergistic effect on the improvement of the moisture absorption and quick drying stability of the product.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. A moisture-absorbing quick-drying bio-based chinlon fabric is characterized by comprising a fabric body, wherein the fabric body consists of a base fabric layer and a moisture-absorbing layer; modifying the fabric body to obtain the fabric; the base cloth layer is made of bio-based nylon fiber; the moisture absorption layer is made of natural fibers; modifying the fabric body by plasma irradiation modification, hydrochloric acid solution treatment, soaking modification in a moisture absorption modifier and finally shaping treatment; the preparation method of the moisture-absorbing quick-drying bio-based chinlon fabric comprises the following steps:

secondly, placing the fabric body irradiated in the first step into a 5-10% hydrochloric acid solution with the weight 3-4 times that of the fabric body for treatment for 20-30min, wherein the treatment temperature is 45-55 ℃, and finishing treatment, washing and drying;

step four, carrying out shaping treatment on the fabric body obtained in the step three;

the sizing treatment comprises the following steps:

s01, fixing the two sides of the head of the fabric body (23) by using clips (172) in clamping mechanisms (17) of a shaping device, and pushing the clamping mechanisms (17) into sliding grooves of a Z-shaped sliding rail (14);

s02, pulling the head of the fabric body (23) to sequentially bypass the outer walls of the roller bodies of the first turning roller and the second turning roller, and then carrying out shaping operation;

s03, arranging a sliding pressing block (11) which moves back and forth through a steam box (9) so as to iron, remove wrinkles and pressure for shaping the surface of the fabric body (23) in the conveying process, and keeping the shaped shape for a long time by matching with pulling of clamping mechanisms (17) on two sides;

s04, then, humidifying high-temperature steam and rolling the sliding pressing block (11) in a reciprocating sliding mode, so that the fabric body (23) can be kept in a flat state; through the arrangement of the brush cloth (61) and the hard bristles (66), in the fabric conveying process, a force for pushing and sweeping towards two sides is generated through the surface of the first turning roll, and wrinkles are avoided.

2. The moisture-absorbing quick-drying bio-based nylon fabric according to claim 1, wherein the shaping device comprises a first conveying table (1) and a second conveying table (13) which are identical in structure and parallel to each other, the first conveying table (1) is of a long-strip-shaped groove-shaped structure with a downward opening, sliding holes (12) which are consistent with the extending direction of the first conveying table (1) are formed in the middle of the upper surfaces of the first conveying table (1) and the second conveying table (13), the width of each sliding hole (12) is smaller than that of the fabric body (23), Z-shaped sliding rails (14) which are parallel to each other are respectively fixed on the upper surfaces of the first conveying table (1) and the second conveying table (13) close to the front and rear side edges, the openings of the Z-shaped sliding rails (14) face upward, and clamping mechanisms (17) which are distributed at equal intervals are connected in the Z-shaped sliding rails (14) in a sliding manner; two symmetrical lower roll frames (5) are respectively fixed on the front side and the rear side of the first conveying table (1) far away from the feeding end, a first turning roll is rotatably connected between the two lower roll frames (5), two upper roll frames (15) are fixed on one end of the second conveying table (13) far away from the lower roll frames (5), a second turning roll is rotatably connected between the two upper roll frames (15), and a fabric body (23) is wound in a reverse Z shape and passes through the outer walls of roll bodies of the first turning roll and the second turning roll; the ironing mechanism is connected in the sliding hole (12) in a sliding mode and comprises a steam box (9) connected in the sliding hole (12) in a sliding mode, the plane where the top end of the steam box (9) is located is three to ten millimeters lower than the upper surface of the first conveying table (1), an arc-shaped magnet is fixed on the outer wall of the circumference of the steam box (9), and a sliding pressing block (11) is arranged on the upper surface of the fabric body (23) above the steam box (9) in a sliding mode; the first turning roller and the second turning roller are identical in structural shape, the whole first turning roller is of a spindle-shaped structure with small diameters at two ends, and the fabric body (23) is conveyed in a tight state; the upper surface of the sliding pressing block (11) is provided with a clamping groove, and a vibration motor is arranged in the clamping groove.

3. The moisture-absorbing and quick-drying bio-based chinlon fabric according to claim 2, wherein an expansion mechanism (6) is arranged on the side surface of the first conveying table (1) close to the first turning roll, the expansion mechanism (6) comprises a driving motor (69) fixed to the end part of the lower surface of the first conveying table (1) in the middle, a driving gear is fixed to the top end of an output shaft of the driving motor (69), mutually symmetrical conveying mechanisms are respectively arranged on two sides of the driving motor (69), the conveying mechanism comprises two bearing frames (64) of an L-shaped structure fixed to the lower surface of the end part of the first conveying table (1), the top ends of the two bearing frames (64) are respectively and rotatably connected with mutually parallel conveying rolls (62), a same brush cloth (61) is wound between the outer walls of roll bodies of the two conveying rolls (62), hard bristles (66) are arranged on the outer surface of the brush cloth (61), the surface of the brush cloth (61) is attached to the outer wall of the first turning roll, driven gears (65) are fixed to the bottom ends of the two conveying rolls (62) close to the middle, and the two driven gears (65) are mutually meshed with the driving gear; two with the same side be fixed with L shape layer board (68) between transfer roller (62), and the vertical board of L shape layer board (68) is close to one side of turning roller and is fixed with two reset spring (67), and one side that two reset spring (67) are close to the turning roller is fixed with and supports board (63), and one side that supports board (63) keep away from reset spring (67) is opened has the horizontally arc wall, the shape of arc wall and the appearance looks adaptation of turning roller.

4. The moisture-absorbing quick-drying bio-based nylon fabric according to claim 3, characterized in that a plurality of steam outlets (10) are formed in the upper surface of the steam box (9) and distributed at equal intervals, a protective net is arranged on each steam outlet (10), a suspended electric heating ring is fixed at the inner bottom of the steam box (9), and an electric heater (24) matched with the electric heating ring is fixed on the outer wall of the steam box (9); two boss sliding blocks (8) which are symmetrical to each other are fixed on the circumferential outer wall of the steam box (9) close to the bottom end, groove-shaped sliding rails (7) which are opposite in opening and parallel to each other are respectively fixed on the long sides of the two sides of the sliding hole (12) on the lower surface of the first conveying table (1), and the two boss sliding blocks (8) are connected in the corresponding groove-shaped sliding rails (7) in a sliding mode; conveying table (1)'s upper surface both sides are close to four corners department and all are fixed with triangular bracket (21), and the top of four triangular bracket (21) is fixed with two openings and upwards and crossbeam slide rail (4) that are parallel to each other, equal sliding connection has crossbeam slider (22) in the spout of two crossbeam slide rails (4), and the top of two crossbeam sliders (22) all is fixed with two extension spring springs (2), be fixed with same root sliding beam (3) between the top of four extension spring springs (2), and the upper surface of sliding block (11) is fixed at the lower surface intermediate position of sliding beam (3), wherein the lower surface of crossbeam slider (22) is close to four corners department and all inlays and is equipped with the ball, and sliding beam (3) are close to both ends department and all opens there is the mounting hole, all be fixed with electro-magnet (27) in the mounting hole, leave the clearance between the lower surface of electro-magnet (27) and the upper surface of conveying table (1).

5. The moisture-absorbing and quick-drying bio-based polyamide fabric as claimed in claim 4, wherein a conveying mechanism is arranged on one side of each of the two groove-shaped sliding rails (7) opposite to each other, the conveying mechanism comprises belt guide wheels (28) which are fixed on the two groove-shaped sliding rails (7) and are symmetrical to each other near four corners, a same conveying belt (26) is wound between the outer circumferential walls of the four belt guide wheels (28), a speed reduction motor (25) is fixed at the bottom end of a wheel shaft of one of the belt guide wheels (28) through a coupler, belt through holes (29) which penetrate through the two boss sliding blocks (8) are formed in the two boss sliding blocks, a gap is reserved between the conveying belt (26) and the inner wall of each belt through hole (29), mounting grooves (31) which are communicated with the belt through holes (29) are formed in the end portions of the two boss sliding blocks (8), electric control positioning pins (30) are fixed in the mounting grooves (31), and brake pads are fixed at the ends of shaft heads of the two electric control positioning pins (30).

6. The moisture-absorbing and quick-drying bio-based chinlon fabric is characterized in that the clamping mechanism (17) comprises an anti-falling roller (173) which is slidably connected in a Z-shaped sliding rail (14), the middle of the anti-falling roller (173) is rotatably connected with an anti-falling roller frame (177), a supporting plate block (174) is fixed at the top end of the anti-falling roller frame (177), an outer barrel (171) which is internally provided with a cavity and integrally has a cylindrical structure is clamped on one side of the supporting plate block (174) far away from the Z-shaped sliding rail (14), a shaft rod (176) is slidably connected in the middle of the outer barrel (171), a clamp (172) is fixed at one end of the shaft rod (176) close to the fabric body (23), a spring retainer ring (178) is fixed in the middle of the shaft rod (176), a compression spring (179) is fixed at one end of the spring retainer ring (178) far away from the clamp (172), and a distance is reserved between the clamp (172) and the side face of the fabric body (23); one end that clip (172) was kept away from in axostylus axostyle (176) is fixed with fixed frame, and the joint has permanent magnet (175) on the fixed frame, the front and back both sides of conveying platform (1) are fixed with the magnetic stripe rod cover (18) that are parallel to each other, two both sides of going up the back of the body of roll stand (15) are fixed with the magnetic stripe rod cover two (16) that are parallel to each other respectively, both sides are close to all being fixed with magnetic stripe rod cover three (20) on crossbeam slide rail (4) around conveying platform two (13), and magnetic stripe rod cover one (18), one side that magnetic stripe rod cover two (16) and magnetic stripe rod cover three (20) are close to Z shape slide rail (14) all is fixed with bar magnet (19) that the equidistance distributes.

7. The moisture-absorbing quick-drying bio-based chinlon fabric according to claim 1, wherein the moisture-absorbing modifier is prepared by a method comprising the following steps:

8. The moisture-absorbing quick-drying bio-based nylon fabric according to claim 1, characterized in that in the third step, the dipping pressure is 10-20MPa, the dipping temperature is 45-55 ℃, and the dipping time is 1-2h.

9. Use of the hydroscopic and fast dry bio-based chinlon fabric of claim 1 in underwear.