Preparation method of high-elasticity composite fiber thermal fabric

Abstract

The invention provides a preparation method of a high-elasticity composite fiber thermal fabric, and relates to the field of preparation of high-elasticity composite fiber thermal fabrics. An auxiliary structure is fixedly arranged in the washing box body, and a driving structure is fixedly arranged at the top of the washing box body; an impurity removal assembly is fixedly arranged at the bottom of the washing box body, a drying structure is fixedly arranged on the outer side of the washing box body, and an auxiliary structure, a driving structure and the impurity removal assembly are arranged; the fabric main body can move up and down in the washing box body in a reciprocating manner, so that a solvent and impurities in the fabric main body can be cleaned; meanwhile, water in the washing box body can be subjected to circulating impurity removal, the washing environment is guaranteed, and the problems that effective movement of the fabric in the washing box is not fully promoted, and more impurities or solvent residues are often accumulated in the water in the washing box after long-time operation are solved.

Description

Technical Field

[0001] The invention relates to the technical field of preparation of high-elastic composite fiber thermal insulation fabrics, and in particular to a preparation method of high-elastic composite fiber thermal insulation fabrics. Background Art

[0002] High elastic composite fiber thermal insulation fabric is a special fabric that combines high elasticity with good thermal insulation performance; it is designed to provide excellent thermal insulation effect while maintaining the softness, comfort and elasticity of the fabric; high elastic composite fiber thermal insulation fabric has a wide range of applications in clothing manufacturing, especially in areas that require high thermal insulation performance and flexibility, such as outdoor sportswear, ski wear, mountaineering wear, cold-proof clothing, etc.

[0003] The current water washing device used in the preparation process of high-elastic composite fiber thermal insulation fabrics has several limitations, which directly affect the final cleaning effect and production efficiency of the fabrics; specifically, the design of the existing water washing device fails to fully promote the effective movement of the fabrics in the water washing box. This deficiency limits the ability to thoroughly clean the residual solvent inside the fabric, thereby reducing the overall cleaning efficiency and quality; in addition, after long-term operation, the water in the water washing box often accumulates more impurities or solvent residues, which not only worsens the cleaning environment, but also further increases the difficulty of efficiently cleaning the fabrics. Summary of the invention

[0004] In view of this, the present invention provides a method for preparing a high-elastic composite fiber thermal insulation fabric, which has an auxiliary structure, a driving structure and an impurity removal component; it can make the fabric body move back and forth up and down in a washing box, which is beneficial to cleaning the solvent and impurities inside the fabric body; at the same time, it can circulate and remove impurities from the water in the washing box, ensuring the washing environment.

[0005] The present invention provides a method for preparing a high-elastic composite fiber thermal insulation fabric, comprising the following steps: 1) Thermoplastic polyurethane elastomer melt is used as the core layer spinning solution, and it is spun into fibers through a spinning device; the aqueous solution of biopolysaccharide glue and animal protein foaming agent is used as the shell layer spinning solution, and it is also spun into fibers through a spinning device and wrapped around the periphery of the core layer fiber; then the coaxial electrospinning technology is used to spin the core layer fiber and the shell layer fiber at the same time to form a composite fiber with a core-shell structure; 2) Freeze-dry the composite fiber obtained by coaxial electrospinning, so that the solid solvent inside the composite fiber is directly sublimated into gas, so that a porous three-dimensional aerogel structure is formed inside the composite fiber; then the freeze-dried composite fiber is immersed in octadecyltrichlorosilane to further enhance the elasticity and thermal insulation performance of the composite fiber; the immersed composite fiber is subjected to negative pressure flash explosion treatment to remove excess water and solvent, and at the same time make the fiber structure more compact; 3) Weaving the composite fiber into a fabric body, and subjecting the fabric body to high-temperature shaping to obtain the desired elasticity and shape; finally, washing the fabric body after high-temperature shaping through a water washing device to remove residual solvents and impurities, thereby obtaining the final high-elastic composite fiber warm fabric body.

[0006] The washing device comprises a washing box; two groups of rotating rollers are symmetrically arranged inside the washing box for rotation, and the bottom of the rotating rollers is in contact with the top of the fabric body; supporting legs are fixedly arranged at the bottom of the washing box, and a winding device is fixedly installed on the outside of the washing box, and the fabric body is wound on the outside of the winding device; four groups of fixed frames are symmetrically fixed on the top of the washing box, and a driving roller is rotatably arranged between the two groups of fixed frames; one end of the driving roller is fixedly arranged on the shaft end of the motor device, and the motor device is fixedly arranged on the outside of the fixed frame; a synchronous wheel A is fixedly arranged on the other end of the driving roller, and two groups of synchronous wheels A and driving rollers are arranged, and a synchronous belt device is installed between the two groups of synchronous wheels A; an auxiliary structure is fixedly arranged inside the washing box, and a driving structure is fixedly arranged on the top of the washing box; a debris removal component is fixedly arranged at the bottom of the washing box, and a drying structure is fixedly arranged on the outside of the washing box.

[0007] In at least some embodiments, a pressure rod is fixedly provided on the top of the fixed frame, and a pressure seat is fixedly provided on the bottom end of the pressure rod; the pressure seat is slidably provided inside the fixed frame, and a spring member is provided between the top of the pressure seat and the inner side of the fixed frame, and the spring member is located on the outside of the pressure rod; four groups of pressure seats are provided, and two groups of pressure seats are rotatably provided with pressure rollers; two groups of pressure rollers and two groups of drive rollers are provided, and the fabric body is clamped between the pressure rollers and the drive rollers.

[0008] In at least some embodiments, the auxiliary structure includes: an auxiliary seat, an auxiliary rod, a baffle, an auxiliary frame and a lower auxiliary roller; the auxiliary seat is fixedly arranged inside the washing box; the auxiliary rod is slidably arranged inside the auxiliary seat, and a spring member is arranged between the top of the auxiliary rod and the top of the auxiliary seat; the baffle is fixedly arranged at the bottom of the auxiliary rod, and the top of the baffle is fitted with the bottom of the auxiliary seat; the auxiliary frame is fixedly arranged at the top of the auxiliary rod, and the auxiliary frame and the baffle as well as the auxiliary rod and the auxiliary seat are each provided with four groups; the lower auxiliary roller is rotatably arranged between two groups of auxiliary frames.

[0009] In at least some embodiments, the auxiliary structure also includes: a threaded cylinder, a synchronous wheel B, a threaded rod, a sliding seat, an upper auxiliary roller and a connecting frame; the threaded cylinder is rotatably arranged inside the top side of the auxiliary frame, and a knob is fixedly arranged on the top of the threaded cylinder; the synchronous wheel B is fixedly arranged on the outside of the threaded cylinder, and a synchronous belt device is installed on the outside of the synchronous wheel B; the threaded rod is arranged inside the threaded cylinder through a threaded connection; the sliding seat is slidably arranged inside the auxiliary frame, and the sliding seat and the threaded rod are arranged to be fixedly connected; the end of the upper auxiliary roller is rotatably arranged inside the sliding seat, and the fabric body is clamped between the upper auxiliary roller and the lower auxiliary roller, and the upper auxiliary roller and the lower auxiliary roller are symmetrically arranged in two groups; the connecting frame is fixedly arranged between the four groups of auxiliary frames, and a rib plate is arranged between the connecting frame and the auxiliary frame.

[0010] In at least some embodiments, the driving structure includes: a driving frame, a driving shaft and a cam; the driving frame is fixedly arranged on the top of the washing box; the driving shaft is rotatably arranged inside the driving frame, and the driving shaft is fixedly arranged on the shaft end of the motor device, and the motor device is fixedly arranged on the outside of the driving frame; the cam is fixedly arranged on the outside of the driving shaft, and the outside of the cam is in contact with the top of the connecting frame.

[0011] In at least some embodiments, the impurity removal component includes: a check valve, an impurity removal box, a sealing groove, a filter plate, a fixed pipe, a water pump, a return pipe and a square ring; the check valve is fixedly arranged inside the bottom side of the water washing box; the impurity removal box is fixedly arranged on the outside of the bottom of the check valve; the sealing groove is opened inside one side of the impurity removal box; the filter plate is fixedly arranged on one side of the impurity removal box; the fixed pipe is fixedly arranged inside one side of the impurity removal box; the water pump is fixedly arranged on the outside of the fixed pipe; the bottom end of the return pipe is fixedly arranged on the outside of the water outlet of the water pump, and the top end of the return pipe is fixedly arranged on the inside of the top side of the water washing box; the square ring is fixedly arranged on both sides of the outside of the impurity removal box.

[0012] In at least some embodiments, the impurity removal component also includes: a transverse pipe and a nozzle; the transverse pipe is fixedly arranged at the top of the return pipe, and the transverse pipe is located inside the washing box; the nozzle is fixedly arranged on one side of the transverse pipe, and the nozzle is arranged in a straight line.

[0013] In at least some embodiments, the impurity removal component also includes: a cover plate, a self-locking seat, a self-locking block, a positioning block and a sealing ring; the cover plate is movably arranged on one side of the impurity removal box; the self-locking seat is fixedly arranged on both sides of the cover plate; the self-locking block is slidably arranged inside the self-locking seat, and a spring member is arranged between the self-locking block and the inside of the self-locking seat; the end of the self-locking block is arranged as a bevel structure, and the self-locking block is slidably arranged inside the square ring; the positioning block is slidably arranged inside the self-locking seat, and the positioning block and the self-locking block are arranged to be fixedly connected; the sealing ring is fixedly arranged inside one side of the cover plate, and the sealing ring is movably arranged inside the sealing groove.

[0014] In at least some embodiments, the drying structure includes: a supporting frame, a drying rack, a fan, a heating rack and an electric heating tube; the supporting frame is fixedly arranged on both sides of the washing box, and the supporting frame is symmetrically arranged in two groups; the drying rack is fixedly arranged between the two groups of supporting frames; the fan is fixedly arranged inside the drying rack, and the fan is arranged in a rectangular array; the heating rack is fixedly arranged on the outside of the drying rack, and the heating rack and the drying rack are symmetrically arranged in two groups; the electric heating tube is fixedly arranged inside the heating rack, and the electric heating tube is arranged in an S-shaped structure. Beneficial Effects

[0015] 1. The present invention, by providing a spring member and an auxiliary rod, can make the top of the connecting frame always fit with the outer side of the cam, and then when the cam rotates, the connecting frame can follow the outer contour of the cam to move back and forth up and down; the upper auxiliary roller and the lower auxiliary roller drive the fabric body to move back and forth up and down in the water, so that the water flushes the inside of the fabric body, which is beneficial to thoroughly clean the residual solvent inside the fabric; and the water washing effect of the fabric body is guaranteed.

[0016] 2. The present invention, by providing a check valve and a water pump as well as a fixed pipe and a return pipe, can draw the water in the washing box into the impurity removal box and then discharge it into the washing box; impurities and solvent residues in the water are isolated by the filter plate and in the impurity removal box; thus, it can prevent the water in the washing box from accumulating more impurities and solvent residues, which is beneficial to ensuring the washing environment; by using the horizontal pipe and the nozzle, the impurity-removed water can be sprayed onto the fabric body of the output washing box, which can further rinse the fabric body and enhance the washing effect on the fabric body.

[0017] 3. The present invention can easily and conveniently fix the cover plate to one side of the impurity removal box by providing a self-locking block, a spring member and a square ring; at the same time, the self-locking block can be quickly pulled out of the square ring by using the positioning block; thus, the cover plate can be conveniently disassembled and installed, which is beneficial for removing impurities filtered out by the filter plate and enhancing the convenience of the water washing device.

[0018] 4. The present invention, by providing a driving roller and a pressure roller, can squeeze out excess water in the fabric body; and by utilizing a rectangular array fan, the fan can blow the heat generated by the electric heating tube toward the fabric body; this is beneficial for quickly drying the fabric body after washing, thereby enhancing the functionality of the washing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0020] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0021] In the attached picture: Figure 1 It is a schematic diagram of the overall structure of the water washing device of the present invention.

[0022] Figure 2 It is a schematic diagram of the internal structure of the water washing box of the water washing device of the present invention.

[0023] Figure 3 It is a schematic structural diagram of the driving roller and the pressure roller of the water washing device of the present invention.

[0024] Figure 4 It is a structural schematic diagram of the auxiliary structure of the water washing device of the present invention.

[0025] Figure 5 It is a structural schematic diagram of the driving structure of the water washing device of the present invention.

[0026] Figure 6 It is a schematic diagram of the overall structure of the impurity removal component of the water washing device of the present invention.

[0027] Figure 7 It is a schematic structural diagram of the impurity removal box of the water washing device of the present invention.

[0028] Figure 8 It is a structural schematic diagram of the cover plate of the water washing device of the present invention.

[0029] Fig. 9 It is a structural schematic diagram of the drying structure of the water washing device of the present invention.

[0030] Reference numerals list 1. Washing box; 101. Support legs; 102. Rotating roller; 103. Fixed frame; 104. Driving roller; 105. Synchronous wheel A; 106. Pressure rod; 107. Pressure seat; 108. Pressure roller; 2. Fabric body; 3. Auxiliary structure; 301. Auxiliary seat; 302. Auxiliary rod; 303. Baffle; 304. Auxiliary frame; 305. Lower auxiliary roller; 306. Threaded cylinder; 307. Synchronous wheel B; 308. Threaded rod; 309. Sliding seat; 3010. Upper auxiliary roller; 3011. Connecting frame; 4. Driving structure; 401. Driving frame; 402. Driving shaft; 403. Cam; 5. De-impurity assembly; 501. Check valve; 502. De-impurity box; 503. Sealing groove; 504. Filter plate; 505. Fixed pipe; 506. Water pump; 507. Return pipe; 508. Horizontal pipe; 509. Sprinkler; 5010. Square ring; 5011. Cover plate; 5012. Self-locking seat; 5013. Self-locking block; 5014. Positioning block; 5015. Sealing ring; 6. Drying structure; 601. Support frame; 602. Drying frame; 603. Fan; 604. Heating frame; 605. Electric heating tube; 7. Winding device. DETAILED DESCRIPTION

[0031] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0032] Example 1: Please refer to Figures 1 to 9 As shown: The present invention provides a method for preparing a high-elastic composite fiber thermal insulation fabric, comprising the following steps: 1) Thermoplastic polyurethane elastomer melt is used as the core layer spinning solution, and it is spun into fibers through a spinning device; the aqueous solution of biopolysaccharide glue and animal protein foaming agent is used as the shell layer spinning solution, and it is also spun into fibers through a spinning device and wrapped around the periphery of the core layer fiber; then the coaxial electrospinning technology is used to spin the core layer fiber and the shell layer fiber at the same time to form a composite fiber with a core-shell structure; 2) Freeze-dry the composite fiber obtained by coaxial electrospinning, so that the solid solvent inside the composite fiber is directly sublimated into gas, so that a porous three-dimensional aerogel structure is formed inside the composite fiber; then the freeze-dried composite fiber is immersed in octadecyltrichlorosilane to further enhance the elasticity and thermal insulation performance of the composite fiber; the immersed composite fiber is subjected to negative pressure flash explosion treatment to remove excess water and solvent, and at the same time make the fiber structure more compact; 3) Weaving the composite fiber into a fabric body 2, and subjecting the fabric body 2 to high-temperature shaping to obtain the desired elasticity and shape; finally, washing the fabric body 2 after high-temperature shaping with a water washing device to remove residual solvents and impurities, thereby obtaining the final high-elastic composite fiber thermal insulation fabric body 2.

[0033] In the disclosed embodiment, the washing device includes a washing box 1; two groups of rotating rollers 102 are symmetrically arranged inside the washing box 1, and the bottom of the rotating roller 102 is in contact with the top of the fabric body 2; a supporting leg 101 is fixedly arranged at the bottom of the washing box 1, and a winding device 7 is fixedly installed on the outside of the washing box 1, and the fabric body 2 is wound on the outside of the winding device 7; four groups of fixed frames 103 are symmetrically fixed on the top of the washing box 1, and a driving roller 104 is rotatably arranged between the two groups of fixed frames 103; one end of the driving roller 104 is fixedly arranged on the shaft end of the motor device, and the motor device is fixedly arranged on the outside of the fixed frame 103; a synchronous wheel A105 is fixedly arranged on the other end of the driving roller 104, and the synchronous wheel A1 05 and driving roller 104 are each provided with two groups, and a synchronous belt device is installed between the two groups of synchronous wheels A105; an auxiliary structure 3 is fixedly provided inside the washing box 1, and a driving structure 4 is fixedly provided on the top of the washing box 1; a debris removal component 5 is fixedly provided at the bottom of the washing box 1, and a drying structure 6 is fixedly provided on the outside of the washing box 1; a pressure rod 106 is fixedly provided on the top of the fixed frame 103, and a pressure seat 107 is fixedly provided at the bottom of the pressure rod 106; the pressure seat 107 is slidably provided inside the fixed frame 103, and a spring member is provided between the top of the pressure seat 107 and the inner side of the fixed frame 103, and the spring member is located on the outside of the pressure rod 106; four groups of pressure seats 107 are provided, and two groups of pressure seats 107 rotate A pressure roller 108 is provided; two groups of pressure rollers 108 and driving rollers 104 are provided, and the fabric body 2 is clamped between the pressure rollers 108 and the driving rollers 104; the auxiliary structure 3 includes: an auxiliary seat 301, an auxiliary rod 302, a baffle 303, an auxiliary frame 304, a lower auxiliary roller 305, a threaded cylinder 306, a synchronous wheel B307, a threaded rod 308, a sliding seat 309, an upper auxiliary roller 3010 and a connecting frame 3011; the auxiliary seat 301 is fixedly provided inside the washing box 1; the auxiliary rod 302 is slidably provided inside the auxiliary seat 301, and a spring member is provided between the top of the auxiliary rod 302 and the top of the auxiliary seat 301; the baffle 303 is fixedly provided at the bottom of the auxiliary rod 302, and the top of the baffle 303 is connected to the auxiliary The bottom of the auxiliary seat 301 fits together; the auxiliary frame 304 is fixedly set on the top of the auxiliary rod 302, and the auxiliary frame 304 and the baffle 303, as well as the auxiliary rod 302 and the auxiliary seat 301 are each provided with four groups; the lower auxiliary roller 305 is rotatably set between the two groups of auxiliary frames 304; the threaded cylinder 306 is rotatably set inside the top side of the auxiliary frame 304, and a knob is fixedly set on the top of the threaded cylinder 306; the synchronous wheel B307 is fixedly set on the outside of the threaded cylinder 306, and a synchronous belt device is installed on the outside of the synchronous wheel B307; the threaded rod 308 is set inside the threaded cylinder 306 through a threaded connection; the sliding seat 309 is slidably set inside the auxiliary frame 304, and the sliding seat 309 and the threaded rod 308 are set to be fixedly connected;The end of the upper auxiliary roller 3010 is rotatably arranged inside the sliding seat 309, and the fabric body 2 is clamped between the upper auxiliary roller 3010 and the lower auxiliary roller 305, and the upper auxiliary roller 3010 and the lower auxiliary roller 305 are symmetrically arranged in two groups; the connecting frame 3011 is fixedly arranged between the four groups of auxiliary frames 304, and a rib plate is arranged between the connecting frame 3011 and the auxiliary frame 304; the driving structure 4 includes: a driving frame 401, a driving shaft 402 and a cam 403; the driving frame 401 is fixedly arranged on the top of the washing box 1; the driving shaft 402 is rotatably arranged inside the driving frame 401, and the driving shaft 402 is fixedly arranged The motor device is fixedly arranged on the outside of the driving frame 401; the cam 403 is fixedly arranged on the outside of the driving shaft 402, and the outside of the cam 403 is in contact with the top of the connecting frame 3011; its specific function is: by providing a spring member and an auxiliary rod 302, the top of the connecting frame 3011 can always be in contact with the outside of the cam 403, and then when the cam 403 rotates, the connecting frame 3011 can follow the outer contour of the cam 403 to move up and down; the upper auxiliary roller 3010 and the lower auxiliary roller 305 drive the fabric body 2 to move up and down in the water, so that the water flushes the inside of the fabric body 2. ;

[0034] Example 2: Please refer to Figures 6 to 8As shown: Based on the first embodiment, the impurity removal component 5 includes: a check valve 501, a impurity removal box 502, a sealing groove 503, a filter plate 504, a fixed pipe 505, a water pump 506, a return pipe 507, a square ring 5010, a horizontal pipe 508, a nozzle 509, a cover plate 5011, a self-locking seat 5012, a self-locking block 5013, a positioning block 5014 and a sealing ring 5015; the check valve 501 is fixedly arranged inside the bottom side of the washing box 1; the impurity removal box 502 is fixedly provided with the check valve 501 at the bottom outside; the sealing groove 503 is opened on the impurity removal box 502 The filter plate 504 is fixedly arranged on one side of the impurity removal box 502; the fixed pipe 505 is fixedly arranged on one side of the impurity removal box 502; the water pump 506 is fixedly arranged on the outside of the fixed pipe 505; the bottom end of the return pipe 507 is fixedly arranged on the outside of the water outlet of the water pump 506, and the top end of the return pipe 507 is fixedly arranged on the top side of the washing box 1; the square ring 5010 is fixedly arranged on both sides of the outside of the impurity removal box 502; the horizontal pipe 508 is fixedly arranged on the top of the return pipe 507, and the horizontal pipe 508 is located inside the washing box 1; the nozzle 509 is fixedly arranged on the horizontal pipe 5 08 side, and the nozzle 509 is arranged in a straight line; the cover plate 5011 is movably arranged on one side of the impurity removal box 502; the self-locking seat 5012 is fixedly arranged on both sides of the cover plate 5011; the self-locking block 5013 is slidably arranged inside the self-locking seat 5012, and a spring member is arranged between the self-locking block 5013 and the self-locking seat 5012; the end of the self-locking block 5013 is set as a bevel structure, and the self-locking block 5013 is slidably arranged inside the square ring 5010; the positioning block 5014 is slidably arranged inside the self-locking seat 5012, and the positioning block 5014 and the self-locking block 5 013 are arranged to be fixedly connected; the sealing ring 5015 is fixedly arranged inside one side of the cover plate 5011, and the sealing ring 5015 is movably arranged inside the sealing groove 503; its specific function is: by arranging the check valve 501 and the water pump 506 and the fixed pipe 505 and the return pipe 507, the water in the water washing box 1 can be pumped into the impurity removal box 502, and then discharged into the water washing box 1; the impurities and solvent residues in the water are isolated by the filter plate 504 and in the impurity removal box 502; thereby, it can prevent the water in the water washing box 1 from accumulating more impurities and solvent residues.

[0035] Example 3: Please refer to Figure 1 and Fig. 9As shown: on the basis of embodiment 1 and embodiment 2, the drying structure 6 includes: a support frame 601, a drying frame 602, a fan 603, a heating frame 604 and an electric heating tube 605; the support frame 601 is fixedly arranged on both sides of the washing box 1, and the support frame 601 is symmetrically arranged in two groups; the drying frame 602 is fixedly arranged between the two groups of support frames 601; the fan 603 is fixedly arranged inside the drying frame 602, and the fan 603 is arranged in a rectangular array; the heating frame 604 is fixedly arranged on the outside of the drying frame 602, and the heating frame 604 and the drying frame 602 are symmetrically arranged in two groups; the electric heating tube 605 is fixedly arranged inside the heating frame 604, and the electric heating tube 605 is arranged in an S-shaped structure; its specific function is: using the rectangular array fan 603, the fan 603 can blow the heat generated by the electric heating tube 605 to the fabric body 2; it is beneficial to quickly dry the fabric body 2 after washing.

[0036] Specific usage and function of this embodiment: In the present invention, when the washing device is in use, the fabric body 2 woven from composite fibers is placed between the driving roller 104 and the pressure roller 108 and the upper auxiliary roller 3010 and the lower auxiliary roller 305, and the fabric body 2 passes through the bottom of the two sets of rotating rollers 102; then the fabric body 2 passes between the two sets of heating racks 604, so that the end of the fabric body 2 is fixed on the winding roller of the winding device 7; then the threaded cylinder 306 is rotated, and the threaded cylinder 306 drives the upper auxiliary roller 3010 to move downward through the threaded rod 308 and the sliding seat 309, so that the upper auxiliary roller 3010 The fabric body 2 is clamped with the lower auxiliary roller 305; the pressure rod 106 drives the pressure roller 108 to move downward through the spring member and the pressure seat 107, so that the pressure roller 108 applies pressure to the fabric body 2; the motor device and the winding device 7 are started, and the motor device drives the two sets of driving rollers 104 to rotate simultaneously through the synchronous wheel A105 and the synchronous belt device, and the driving roller 104 drives the fabric body 2 to be transported forward in the washing box 1 through the pressure roller 108; at the same time, the motor device is started to drive the driving shaft 402 to rotate, and the driving shaft 402 drives the cam 403 to rotate, and the cam 403 is driven by the spring member and the auxiliary rod 302 The connecting frame 3011 moves up and down, and the connecting frame 3011 drives the fabric body 2 to move up and down in the water through the auxiliary frame 304, the upper auxiliary roller 3010 and the lower auxiliary roller 305, so that the water washes the solvent inside the fabric body 2; at the same time, the water pump 506 draws the water in the washing box 1 into the impurity removal box 502 through the check valve 501 and the fixed pipe 505, so that the impurities in the water are isolated in the impurity removal box 502 by the filter plate 504; then the water pump 506 sprays the impurity-free water to the fabric body 2 through the return pipe 507, the horizontal pipe 508 and the nozzle 509, so that the fabric body 2 is further washed by water. Wash; after washing, the fabric body 2 enters between the two groups of heating racks 604, and the fan 603 blows the heat generated by the electric heating tube 605 to the fabric body 2, so that the fabric body 2 is dried, and the dried fabric body 2 is rolled up by the winding device 7; the self-locking block 5013 is pulled out of the square ring 5010 through the positioning block 5014, and then the cover plate 5011 can be removed, and the impurities filtered out by the filter plate 504 can be taken out; and the cover plate 5011 can be easily and conveniently fixed to one side of the impurity removal box 502 through the self-locking block 5013, the spring part and the square ring 5010; the convenience of the washing device is enhanced.

Claims

1. A method for preparing a high-elastic composite fiber thermal insulation fabric comprises the following steps: 1) Thermoplastic polyurethane elastomer melt is used as the core layer spinning solution, and it is spun into fibers through a spinning device; the aqueous solution of biopolysaccharide glue and animal protein foaming agent is used as the shell layer spinning solution, and it is also spun into fibers through a spinning device and wrapped around the periphery of the core layer fiber; then the coaxial electrospinning technology is used to spin the core layer fiber and the shell layer fiber at the same time to form a composite fiber with a core-shell structure; 2) Freeze-dry the composite fiber obtained by coaxial electrospinning, so that the solid solvent inside the composite fiber is directly sublimated into gas, so that a porous three-dimensional aerogel structure is formed inside the composite fiber; then the freeze-dried composite fiber is immersed in octadecyltrichlorosilane to further enhance the elasticity and thermal insulation performance of the composite fiber; the immersed composite fiber is subjected to negative pressure flash explosion treatment to remove excess water and solvent, and at the same time make the fiber structure more compact; 3) Weaving the composite fiber into a fabric body (2), and subjecting the fabric body (2) to high-temperature shaping to obtain the desired elasticity and shape; finally, subjecting the fabric body (2) after high-temperature shaping to water washing treatment by a water washing device to remove residual solvent and impurities, thereby obtaining a final high-elastic composite fiber thermal insulation fabric body (2).

2. The water washing device according to claim 1, characterized in that: The washing device comprises a washing box (1); two groups of rotating rollers (102) are symmetrically arranged inside the washing box (1), and the bottoms of the rotating rollers (102) are in contact with the tops of the fabric bodies (2); a supporting leg (101) is fixedly arranged at the bottom of the washing box (1), and a winding device (7) is fixedly installed outside the washing box (1), and the fabric body (2) is wound around the outside of the winding device (7); four groups of fixed frames (103) are symmetrically fixedly arranged on the top of the washing box (1), and a driving roller (104) is rotatably arranged between the two groups of fixed frames (103); the driving roller (104) One end is fixedly arranged on the shaft end of the motor device, and the motor device is fixedly arranged on the outside of the fixed frame (103); a synchronous wheel A (105) is fixedly arranged on the other end of the driving roller (104), and two groups of synchronous wheels A (105) and driving roller (104) are provided, and a synchronous belt device is installed between the two groups of synchronous wheels A (105); an auxiliary structure (3) is fixedly arranged inside the washing box (1), and a driving structure (4) is fixedly arranged on the top of the washing box (1); a debris removal component (5) is fixedly arranged on the bottom of the washing box (1), and a drying structure (6) is fixedly arranged on the outside of the washing box (1).

3. The water washing device according to claim 2, characterized in that: A pressure rod (106) is fixedly arranged at the top of the fixed frame (103), and a pressure seat (107) is fixedly arranged at the bottom of the pressure rod (106); the pressure seat (107) is slidably arranged inside the fixed frame (103), and a spring member is arranged between the top of the pressure seat (107) and the inner side of the fixed frame (103), and the spring member is located outside the pressure rod (106); four groups of pressure seats (107) are arranged, and two groups of pressure seats (107) are rotatably arranged with pressure rollers (108); two groups of pressure rollers (108) and driving rollers (104) are arranged, and the fabric body (2) is clamped between the pressure rollers (108) and the driving rollers (104).

4. The water washing device according to claim 2, characterized in that: The auxiliary structure (3) comprises: an auxiliary seat (301), an auxiliary rod (302), a baffle (303), an auxiliary frame (304) and a lower auxiliary roller (305); the auxiliary seat (301) is fixedly arranged inside the washing box (1); the auxiliary rod (302) is slidably arranged inside the auxiliary seat (301), and a spring member is arranged between the top of the auxiliary rod (302) and the top of the auxiliary seat (301); the baffle (303) is fixedly arranged at the bottom of the auxiliary rod (302), and the top of the baffle (303) is in contact with the bottom of the auxiliary seat (301); the auxiliary frame (304) is fixedly arranged at the top of the auxiliary rod (302), and the auxiliary frame (304) and the baffle (303) as well as the auxiliary rod (302) and the auxiliary seat (301) are all arranged in four groups; the lower auxiliary roller (305) is rotatably arranged between two groups of auxiliary frames (304).

5. The water washing device according to claim 4, characterized in that: The auxiliary structure (3) further comprises: a threaded barrel (306), a synchronous wheel B (307), a threaded rod (308), a sliding seat (309), an upper auxiliary roller (3010) and a connecting frame (3011); the threaded barrel (306) is rotatably arranged inside the top side of the auxiliary frame (304), and a knob is fixedly arranged on the top of the threaded barrel (306); the synchronous wheel B (307) is fixedly arranged on the outside of the threaded barrel (306), and a synchronous belt device is installed on the outside of the synchronous wheel B (307); the threaded rod (308) is arranged inside the threaded barrel (306) through a threaded connection; the sliding seat ( The auxiliary frame (304) is slidably arranged inside the auxiliary frame (309), and the sliding seat (309) and the threaded rod (308) are arranged to be fixedly connected; the end of the upper auxiliary roller (3010) is rotatably arranged inside the sliding seat (309), and the fabric body (2) is clamped between the upper auxiliary roller (3010) and the lower auxiliary roller (305), and the upper auxiliary roller (3010) and the lower auxiliary roller (305) are both symmetrically arranged in two groups; the connecting frame (3011) is fixedly arranged between the four groups of auxiliary frames (304), and a rib plate is arranged between the connecting frame (3011) and the auxiliary frame (304).

6. The water washing device according to claim 5, characterized in that: The driving structure (4) comprises: a driving frame (401), a driving shaft (402) and a cam (403); the driving frame (401) is fixedly arranged on the top of the washing box (1); the driving shaft (402) is rotatably arranged inside the driving frame (401), and the driving shaft (402) is fixedly arranged on the shaft end of the motor device, and the motor device is fixedly arranged on the outside of the driving frame (401); the cam (403) is fixedly arranged on the outside of the driving shaft (402), and the outside of the cam (403) is in contact with the top of the connecting frame (3011).

7. The water washing device according to claim 2, characterized in that: The impurity removal component (5) comprises: a check valve (501), an impurity removal box (502), a sealing groove (503), a filter plate (504), a fixed pipe (505), a water pump (506), a return pipe (507) and a square ring (5010); the check valve (501) is fixedly arranged inside the bottom side of the washing box (1); the impurity removal box (502) is fixedly provided with the check valve (501) on the outside of the bottom; the sealing groove (503) is opened inside one side of the impurity removal box (502); The filter plate (504) is fixedly arranged on one side of the interior of the impurity removal box (502); the fixed pipe (505) is fixedly arranged on one side of the interior of the impurity removal box (502); the water pump (506) is fixedly arranged on the outside of the fixed pipe (505); the bottom end of the return pipe (507) is fixedly arranged on the outside of the water outlet of the water pump (506), and the top end of the return pipe (507) is fixedly arranged on the inside of the top side of the washing box (1); the square ring (5010) is fixedly arranged on both sides of the exterior of the impurity removal box (502).

8. The water washing device according to claim 7, characterized in that: The impurity removal component (5) further comprises: a transverse pipe (508) and a nozzle (509); the transverse pipe (508) is fixedly arranged at the top of the return pipe (507), and the transverse pipe (508) is located inside the water washing box (1); the nozzle (509) is fixedly arranged at one side of the transverse pipe (508), and the nozzles (509) are arranged in a straight line.

9. The water washing device according to claim 7, characterized in that: The impurity removal component (5) further comprises: a cover plate (5011), a self-locking seat (5012), a self-locking block (5013), a positioning block (5014) and a sealing ring (5015); the cover plate (5011) is movably arranged on one side of the impurity removal box (502); the self-locking seat (5012) is fixedly arranged on both sides of the cover plate (5011); the self-locking block (5013) is slidably arranged inside the self-locking seat (5012), and a space between the self-locking block (5013) and the inside of the self-locking seat (5012) is provided. A spring member is provided; the end of the self-locking block (5013) is provided as a bevel structure, and the self-locking block (5013) is slidably provided inside the square ring (5010); the positioning block (5014) is slidably provided inside the self-locking seat (5012), and the positioning block (5014) and the self-locking block (5013) are provided in a fixed connection; the sealing ring (5015) is fixedly provided inside one side of the cover plate (5011), and the sealing ring (5015) is movably provided inside the sealing groove (503).

10. The water washing device according to claim 2, characterized in that: The drying structure (6) comprises: a support frame (601), a drying frame (602), a fan (603), a heating frame (604) and an electric heating tube (605); the support frame (601) is fixedly arranged on both sides of the washing box (1), and two groups of the support frames (601) are symmetrically arranged; the drying frame (602) is fixedly arranged between the two groups of support frames (601); the fan (603) is fixedly arranged inside the drying frame (602), and the fans (603) are arranged in a rectangular array; the heating frame (604) is fixedly arranged outside the drying frame (602), and the heating frame (604) and the drying frame (602) are both symmetrically arranged in two groups; the electric heating tube (605) is fixedly arranged inside the heating frame (604), and the electric heating tube (605) is arranged in an S-shaped structure.

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