CN114274614B - Modified composite textile fabric and preparation method thereof - Google Patents
Modified composite textile fabric and preparation method thereof Download PDFInfo
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- CN114274614B CN114274614B CN202111639018.2A CN202111639018A CN114274614B CN 114274614 B CN114274614 B CN 114274614B CN 202111639018 A CN202111639018 A CN 202111639018A CN 114274614 B CN114274614 B CN 114274614B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/02—Layered products comprising a layer of synthetic resin in the form of fibres or filaments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/04—Layered products comprising a layer of synthetic resin as impregnant, bonding, or embedding substance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/02—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
Abstract
The invention discloses a modified composite textile fabric and a preparation method thereof, wherein the composite textile fabric comprises a skin-friendly layer fabric and an enhancement layer fabric which are bonded and compounded, the enhancement layer fabric is prepared by uniformly mixing modified polyester fibers, spandex fibers and cotton fibers and then spinning the mixture into yarns and then spinning the yarns, when the composite textile fabric is compounded through a compounding device, the enhancement layer fabric is firstly unreeled through an unreeling structure, the enhancement layer fabric is guided by a first guide roller and a second guide roller and then is transmitted into a heating structure, and the enhancement layer fabric is heated through fixedly arranging an electric heating pipe on a press cover; then through the shower nozzle blowout adhesive of shower nozzle mounting disc bottom installation, this application can accelerate the solidification of adhesive granule, avoids the adhesive granule to shift on a large scale, influences the feel of forming fabric, and hot-blast case upwards blows off high temperature high-pressure gas simultaneously, can restrain the adhesive granule and receive the influence of gravity to shift to close skin layer surface fabric downwards, consequently is favorable to promoting the compliance of compound textile fabric equally.
Description
Technical Field
The invention belongs to the technical field of textiles, and particularly relates to a modified composite textile fabric and a preparation method thereof.
Background
The composite textile fabric is a novel material formed by bonding and laminating one or more layers of textile materials and other functional materials, and multiple textile fabrics with different effects are compounded together according to the requirements of practical application, so that the fabric can meet multiple requirements, the using effect of the fabric is improved, in the practical application process, the compounding modes of the fabric comprise sewing, gluing and the like, wherein the sewing compounded composite fabric has good hand feeling and cannot influence the properties of the fabric, but the fabric prepared by the method has poor laminating effect and influences the subsequent processing and use of the fabric, the composite textile fabric formed by gluing and compounding has the advantages of high laminating degree and high laminating speed, but the adhesive is easy to diffuse in fibers when the multi-layer fabric is bonded, the fibers of the skin become hard after the adhesive is cured, and the softness of the fabric becomes poor, and in order to solve the problems, the composite textile fabric for preparing skin-friendly antibacterial fabric is provided.
Disclosure of Invention
The invention aims to provide a modified composite textile fabric and a preparation method thereof.
The technical problems to be solved by the invention are as follows:
the compound mode of surface fabric is including sewing, sticky multiple etc, wherein the compound surface fabric of sewing complex feels, can not cause the influence to the nature of surface fabric itself, but the surface fabric laminating effect of preparing through this kind of method is relatively poor, influence its subsequent processing and use, sticky complex textile fabric that forms has laminating degree height, the fast advantage of laminating speed, but the adhesive is when bonding multilayer surface fabric, spread easily in the fibre, lead to pressing close to the fibre stiffening of skin after the adhesive solidification, lead to the compliance variation of surface fabric.
The purpose of the invention can be realized by the following technical scheme:
a modified composite textile fabric comprises a skin-friendly layer fabric and an enhancement layer fabric which are bonded and compounded, wherein the skin-friendly layer fabric and the enhancement layer fabric are bonded and compounded through a compounding device, and the enhancement layer fabric is prepared by uniformly mixing modified polyester fibers, spandex fibers and cotton fibers, then spinning into yarns and then spinning;
the preparation method of the modified polyester fiber comprises the following steps:
s1, preparing a sodium hydroxide solution with the mass concentration of 4% -7%, heating the sodium hydroxide solution to 60-75 ℃, adding polyester fibers into the sodium hydroxide solution, performing heat preservation and heating treatment for 10-30min, taking out the polyester fibers, washing the polyester fibers with deionized water until the surfaces of the polyester fibers are neutral, and drying the polyester fibers at the temperature of 65-70 ℃ to obtain surface-treated polyester fibers;
s2, adding sericin into deionized water, freeze-drying after the sericin sufficiently absorbs water, adding the freeze-dried sericin into the deionized water again, and freeze-drying to obtain porous sericin for later use;
s3, preparing a silver nitrate solution with the concentration of 4-7.2g/100mL, heating the silver nitrate solution to boiling, adding a sodium citrate aqueous solution serving as a reducing agent, carrying out heat preservation boiling treatment for 4-7min, then naturally cooling to 20-40 ℃, then adding the porous sericin prepared in the step S2, carrying out ultrasonic treatment for 10-25min under the condition of the frequency of 40-80KHz, filtering, and carrying out freeze drying to obtain the antibacterial modified sericin;
s4, adding the antibacterial modified sericin into a polyurethane emulsion with the solid content of 16-25%, uniformly mixing, carrying out ultrasonic treatment for 10-25min under the condition of the frequency of 40-80KHz to obtain a treatment liquid, wherein the weight ratio of the antibacterial modified sericin to a polyurethane emulsion solid phase is 1.1-0.3, then adding the surface-treated polyester fiber prepared in the step S1 into the treatment liquid, carrying out ultrasonic treatment for 5-7min under the condition of the frequency of 20-60KHz, filtering, and drying at the temperature of 50-60 ℃ in a nitrogen atmosphere to obtain the modified polyester fiber.
As a further scheme of the invention, the thickness ratio of the skin-friendly layer fabric to the enhancement layer fabric is 1:0.2-0.5, wherein the thickness of the skin-friendly layer fabric is 1-2.5mm, and the skin-friendly layer fabric is prepared by spinning one or a mixture of at least two of cotton fibers, hemp fibers, silk fibers and wool fibers in any ratio into yarns and then spinning.
As a further scheme of the invention, the weight percentage of spandex in the fabric of the enhancement layer is 4-6%, the weight percentage of modified polyester fiber is 20-50%, and the balance is cotton fiber.
As a further scheme of the invention, the composite device comprises a mounting substrate, an unreeling structure, a reeling structure, a pressing and adjusting structure, a heating structure and a driving box are fixedly mounted on the mounting substrate, and a glue spraying device is mounted on the driving box;
the unwinding structure comprises an unwinding roller supporting rod, one end of the unwinding roller supporting rod is fixedly connected with the mounting substrate, the other end of the unwinding roller supporting rod is rotatably connected with an unwinding roller, the winding structure comprises a winding roller supporting rod, one end of the winding roller supporting rod is fixedly mounted on the mounting substrate, and the other end of the winding roller supporting rod is rotatably connected with a winding roller;
the glue spraying device comprises a connecting triangular plate, a screw sleeve is fixedly installed at one end of the connecting triangular plate, a first driving air cylinder is fixedly installed at the other end of the connecting triangular plate, an air cylinder shaft of the first driving air cylinder is fixedly connected with the bottom of an L-shaped plate, a supporting frame is fixedly installed on one surface of the L-shaped plate, a plurality of smooth rods are slidably installed on the bottom surface of the supporting frame, the other end of each smooth rod is fixedly connected with an installation chassis, buffer springs are sleeved on the parts, between the installation chassis and the supporting frame, of the smooth rods, a spray head installation disc is installed on the installation chassis, and a plurality of spray heads are fixedly installed on the spray head installation disc;
a second driving cylinder is fixedly mounted on one side of the supporting frame, a cylinder shaft of the second driving cylinder is fixedly connected with a U-shaped plate, and a fifth guide roller is rotatably mounted on the U-shaped plate;
the screw shaft is rotatably installed in the driving box, a driving motor is fixedly installed at one end of the driving box, the shaft extension end of the driving motor is fixedly connected with one end of the screw shaft in the driving box, the screw shaft is driven to rotate through the driving motor, the screw sleeve is sleeved on the screw shaft in the driving box, and the screw shaft is matched with the screw sleeve through a thread structure;
the pressing adjusting structure comprises a pressing screw rod and a U-shaped shell, a carrier roller and a sixth guide roller are rotatably mounted on the U-shaped shell, a compression roller mounting structure is further mounted on the U-shaped shell, a compression roller is rotatably mounted at one end of the compression roller mounting structure, the other end of the compression roller mounting structure is fixedly connected with the U-shaped shell through a connecting spring, the compression roller mounting structure comprises a connecting support piece, an adjusting hole is formed in the connecting support piece, a partition plate is arranged in the adjusting hole, and the partition plate divides the inside of the adjusting hole into an upper part and a lower part; one end of the pressing screw is fixedly connected with a pressing nut, a first extrusion spring is sleeved on the pressing screw at a position between the pressing nut and the connecting support piece, and the first extrusion spring is arranged between the pressing nut and the U-shaped shell;
the outer wall of the pressing screw is fixedly sleeved with a limiting lantern ring, the limiting lantern ring is positioned at one part of the adjusting cavity rest, and a second extrusion spring is sleeved on the pressing screw between the limiting lantern ring and the partition plate;
the pressing screw rod is in threaded fit with the U-shaped shell and the connecting support piece, and the pressing screw rod is connected with the partition plate in an up-and-down sliding mode.
As a further scheme of the invention, the heating structure comprises a roller connecting frame, a row of rolling carrier rollers are rotatably arranged on the roller connecting frame, a pressing cover is fixedly arranged on the roller connecting frame, a square opening is formed in the pressing cover, the glue spraying device is arranged above the square opening, and an electric heating pipe is fixedly arranged on one surface of the pressing cover, which faces the roller connecting frame.
As a further scheme of the invention, the diameter of one end of the smooth rod far away from the mounting chassis is larger than that of the through hole at the sliding connection part of the supporting frame and the smooth rod.
As a further scheme of the invention, a first guide roller, a second guide roller, a third guide roller and a fourth guide roller are rotatably arranged on the mounting substrate, a transmission driving motor is also fixedly mounted on the mounting substrate, the shaft extension end of the transmission driving motor is fixedly connected with one end of a transmission roller, the transmission driving motor can drive the rotation roller to rotate, one end of the carrier roller is concentrically and fixedly connected with a belt pulley, the belt pulley is in transmission connection with the transmission roller through a belt, and the belt pulley is also in transmission connection with a wind-up roller through a belt.
As a further scheme of the invention, the mounting substrate is fixedly provided with a hot air box, the hot air box is a rectangular box body, one end of the hot air box is connected in series with a heating device and an air compressor through a pipeline, one surface of the hot air box, which faces the composite textile fabric, is provided with a plurality of strip-shaped holes, and the arrangement direction of the strip-shaped holes is perpendicular to the transmission direction of the composite textile fabric.
The preparation method of the modified composite textile fabric comprises the following steps:
unwinding the fabric of the enhancement layer by an unwinding structure on the composite device, guiding the fabric of the enhancement layer by a first guide roller and a second guide roller, transmitting the fabric of the enhancement layer into a heating structure, guiding the fabric of the enhancement layer to move forwards in a reinforcing manner by a row of rolling carrier rollers rotatably arranged on a roller connecting frame, and heating the fabric of the enhancement layer by fixedly arranging an electric heating pipe on a pressing cover in the guiding process;
the supporting frame is driven by the first driving cylinder to move in the vertical direction, so that the distance between the spray head mounting disc and the fabric of the enhancement layer is adjusted, meanwhile, the position of the fifth guide roller in the vertical direction is adjusted by the second driving cylinder, and the adhesive is sprayed out by the spray head mounted at the bottom of the spray head mounting disc, so that adhesive particles are uniformly attached to one surface of the fabric of the enhancement layer;
fifthly, after compounding the glue spraying surface of the reinforcing layer fabric guided by the guide roller with the skin-friendly layer fabric, guiding the composite fabric to the upper part of a hot air box by a third guide roller and a fourth guide roller for transmission, and outputting hot air by the hot air box when the fabric is transmitted above the hot air box;
the composite textile fabric after being pressed is guided by the pressing adjusting structure to be rolled on the rolling structure.
The invention has the beneficial effects that:
the invention relates to a modified composite textile fabric, which comprises a skin-friendly layer fabric and an enhancement layer fabric which are bonded and compounded through a compounding device, wherein the enhancement layer fabric is prepared by uniformly mixing modified polyester fibers, spandex fibers and cotton fibers and then spinning the mixture into yarns, and the modified polyester fibers are prepared by carrying out alkali decrement treatment on the polyester fibers to improve the flexibility of the polyester fibers, then carrying out freeze-drying and rehydration repeated operations on sericin to form a porous structure in the sericin, then adding the obtained porous sericin into prepared nano silver dispersion liquid to enable the porous sericin to fully adsorb nano silver, then taking polyurethane emulsion as an adhesive to fix the treated porous sericin on the polyester fibers to enable the polyester fibers to be hydrophilic and skin-friendly and have good antibacterial effect, and when the composite textile fabric is compounded through the compounding device, firstly unreeling the fabric through the enhancement layer structure, guiding the fabric to enter a heating structure after being guided by a first guide roller and a second guide roller, then enabling a row of continuous rollers to rotate and covering a heating roller to roll the heating pipe and cover the heating pipe; the supporting frame is driven by the first driving air cylinder to move in the vertical direction, so that the distance between the spray head mounting disc and the enhancement layer fabric is adjusted, meanwhile, the position of the fifth guide roller in the vertical direction is adjusted by the second driving air cylinder, the fifth guide roller guides the enhancement layer fabric, the fabric is prevented from being scratched by the edge of the heating structure, and adhesive is sprayed out by the spray head mounted at the bottom of the spray head mounting disc, so that adhesive particles are uniformly attached to one surface of the enhancement layer fabric; fifthly, the glue spraying surface of the enhancement layer fabric guided by the guide roller is combined with the skin-friendly layer fabric and then guided to the upper part of a hot air box by a third guide roller and a fourth guide roller for transmission, when the fabric is transmitted above the hot air box, hot air is output by the hot air box, on one hand, the solidification of adhesive particles is accelerated, the large-range transfer of the adhesive particles is avoided, the hand feeling of the formed fabric is prevented from being influenced, and meanwhile, high-temperature and high-pressure gas is blown out upwards from the hot air box, the adhesive particles can be prevented from being transferred downwards to the skin-friendly layer fabric under the influence of gravity, so that the flexibility of the composite textile fabric is improved; at last, the compound textile fabric after pressing is guided through pressing the regulation structure is rolled on the rolling structure, and press the regulation structure and can adjust the position of compression roller, thereby make compression roller and bearing roller extrude compound fabric, can avoid compression roller rigidity simultaneously, influence the tight effect of clamp of compression roller and bearing roller, compare in traditional direct through spring coupling buffering, can reduce the compression that the gravity of the relevant part self of compression roller and compression roller led to the fact compound fabric, thereby the problem of the regulation of inconvenient degree of compressing tightly takes place.
Drawings
The invention is described in further detail below with reference to the figures and specific embodiments.
FIG. 1 is a schematic front view of a composite device;
FIG. 2 is a schematic diagram of a back structure of the composite device;
FIG. 3 is a schematic view of the connection structure of the driving box and the glue spraying device;
FIG. 4 is a schematic structural view of a glue spraying device;
FIG. 5 is a schematic view of another angle of the glue spraying device;
FIG. 6 is a schematic structural view of a press adjustment structure;
FIG. 7 is a schematic view of a portion of a press adjustment mechanism;
fig. 8 is a schematic structural view of a heating structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A modified composite textile fabric comprises a skin-friendly layer fabric and an enhancement layer fabric which are bonded and compounded, wherein the thickness ratio of the skin-friendly layer fabric to the enhancement layer fabric is 1:0.2-0.5, wherein the thickness of the skin-friendly layer fabric is 1-2.5mm, the skin-friendly layer fabric is made by spinning one or a mixture of at least two of cotton fibers, hemp fibers, silk fibers and wool fibers in any ratio into yarns, and the enhancement layer fabric is made by spinning after the modified polyester fibers, the spandex fibers and the cotton fibers are uniformly mixed into yarns;
the weight percentage of spandex in the fabric of the enhancement layer is 4-6%, the weight percentage of modified polyester fiber is 20-50%, and the rest is cotton fiber;
the preparation method of the modified polyester fiber comprises the following steps:
s1, preparing a sodium hydroxide solution with the mass concentration of 4% -7%, heating the sodium hydroxide solution to 60-75 ℃, adding polyester fibers into the sodium hydroxide solution, performing heat preservation and heating treatment for 10-30min, taking out the polyester fibers, washing the polyester fibers with deionized water until the surfaces of the polyester fibers are neutral, and drying the polyester fibers at the temperature of 65-70 ℃ to obtain surface-treated polyester fibers;
the step is to remove part or all sheath and sheath layers on the surface of the polyester fiber by performing alkali treatment on the polyester fiber, so that the softness of the polyester fiber is improved;
s2, adding sericin into deionized water, freeze-drying after the sericin sufficiently absorbs water, adding the freeze-dried sericin into the deionized water again, and freeze-drying to obtain porous sericin for later use;
s3, preparing a silver nitrate solution with the concentration of 4-7.2g/100mL, heating the silver nitrate solution to boiling, adding a sodium citrate aqueous solution serving as a reducing agent, carrying out heat preservation boiling treatment for 4-7min, then naturally cooling to 20-40 ℃, then adding the porous sericin prepared in the step S2, carrying out ultrasonic treatment for 10-25min under the condition of the frequency of 40-80KHz, filtering, and carrying out freeze drying to obtain the antibacterial modified sericin;
s4, adding the antibacterial modified sericin into a polyurethane emulsion with the solid content of 16-25%, uniformly mixing, carrying out ultrasonic treatment for 10-25min under the condition of the frequency of 40-80KHz to obtain a treatment solution, wherein the weight ratio of the antibacterial modified sericin to a polyurethane emulsion solid phase is 1.1-0.3, then adding the surface-treated polyester fiber prepared in the step S1 into the treatment solution, carrying out ultrasonic treatment for 5-7min under the condition of the frequency of 20-60KHz, filtering, and drying at the temperature of 50-60 ℃ in a nitrogen atmosphere to obtain the modified polyester fiber.
As shown in fig. 1 to 8, the compound device includes a mounting substrate 1, an unwinding structure 6, a winding structure 5, a pressing adjustment structure 7, a heating structure 8, and a driving box 11 are fixedly mounted on the mounting substrate 1, and a glue spraying device 2 is mounted on the driving box 11;
the unwinding structure 6 comprises an unwinding roller support rod 61, one end of the unwinding roller support rod 61 is fixedly connected with the mounting substrate 1, the other end of the unwinding roller support rod 61 is rotatably connected with the unwinding roller 6, the winding structure 5 comprises a winding roller support rod 51, one end of the winding roller support rod 51 is fixedly mounted on the mounting substrate 1, and the other end of the winding roller support rod 51 is rotatably connected with a winding roller 52;
the glue spraying device 2 comprises a connecting triangular plate 24, a lead screw sleeve 25 is fixedly mounted at one end of the connecting triangular plate 24, a first driving air cylinder 22 is fixedly mounted at the other end of the connecting triangular plate 24, an air cylinder shaft of the first driving air cylinder 22 is fixedly connected with the bottom of an L-shaped plate 23, a supporting frame 21 is fixedly mounted on one surface of the L-shaped plate 23, a plurality of smooth rods 29 are slidably mounted on the bottom surface of the supporting frame 21, the other end of each smooth rod 29 is fixedly connected with a mounting chassis 211, a buffer spring 210 is sleeved on the part, between the mounting chassis 211 and the supporting frame 21, of each smooth rod 29, a spray head mounting disc 212 is mounted on the mounting chassis 211, and a plurality of spray heads are fixedly mounted on the spray head mounting disc 212;
the diameter of one end of the smooth rod 29 far away from the mounting base plate 211 is larger than that of a through hole at the sliding connection part of the support frame 21 and the smooth rod 29, so that the smooth rod 29 and the support frame 21 can be effectively prevented from being separated when the position between the mounting base plate 211 and the support frame 21 is changed;
a second driving cylinder 26 is fixedly arranged on one side of the supporting frame 21, a cylinder shaft of the second driving cylinder 26 is fixedly connected with a U-shaped plate 27, and a fifth guide roller 28 is rotatably arranged on the U-shaped plate 27;
a screw shaft is rotatably mounted in the drive box 11, a drive motor 12 is fixedly mounted at one end of the drive box 11, the shaft extension end of the drive motor 12 is fixedly connected with one end of the screw shaft in the drive box 11, the screw shaft is driven to rotate by the drive motor, the screw sleeve 25 is sleeved on the screw shaft in the drive box 11, and the screw shaft is matched with the screw sleeve 25 through a thread structure;
the pressing adjusting structure 7 comprises a pressing screw 744 and a U-shaped shell, a carrier roller 71 and a sixth guide roller 73 are rotatably mounted on the U-shaped shell, a pressing roller mounting structure 74 is further mounted on the U-shaped shell, a pressing roller 72 is rotatably mounted at one end of the pressing roller mounting structure 74, the other end of the pressing roller mounting structure is fixedly connected with the U-shaped shell through a connecting spring 749, the pressing roller mounting structure 74 comprises a connecting support member 741, an adjusting hole 742 is formed in the connecting support member 741, a partition 743 is arranged in the adjusting hole 742, and the inside of the adjusting hole 742 is divided into an upper part and a lower part by the partition 743; one end of the pressing screw 744 is fixedly connected with a pressing nut 748, a first extrusion spring 747 is sleeved on the pressing screw 744 at a position between the pressing nut 748 and the connecting support 741, and the first extrusion spring 747 is arranged between the pressing nut and the U-shaped shell;
a limit lantern ring 746 is fixedly sleeved on the outer wall of the pressing screw 744, the limit lantern ring 746 is positioned at a part above the adjusting cavity 742, and a second extrusion spring 745 is sleeved on the pressing screw 744 between the limit lantern ring 746 and the partition 743;
the pressing screw 744 is in threaded fit with the U-shaped shell and the connecting support 741, and the pressing screw 744 is in up-and-down sliding connection with the partition 743;
the pressing adjusting structure 7 can adjust the position of the pressing roller 72, so that the pressing roller 72 and the carrier roller 71 extrude the composite fabric, meanwhile, the clamping effect of the pressing roller 72 and the carrier roller 71 can be prevented from being influenced by the fixed position of the pressing roller, and compared with the traditional method that the pressing roller 72 and the carrier roller 71 are directly connected and buffered through a spring, the pressing of the composite fabric caused by the gravity of the relevant parts of the pressing roller 72 and the pressing roller 72 can be reduced, so that the problem of inconvenient adjustment of the pressing degree is caused;
the heating structure 8 comprises a roller connecting frame 81, a row of rolling carrier rollers 83 are rotatably arranged on the roller connecting frame 81, a press cover 82 is fixedly arranged on the roller connecting frame 81, a square opening 84 is formed in the press cover 82, the glue spraying device 2 is arranged above the square opening 84, and an electric heating pipe is fixedly arranged on one surface, facing the roller connecting frame 81, of the press cover 82 and used for heating the passing fabric;
the mounting substrate 1 is rotatably provided with a first guide roller 13, a second guide roller 14, a third guide roller 15 and a fourth guide roller 16, the mounting substrate 1 is also fixedly provided with a transmission driving motor 3, the shaft extension end of the transmission driving motor 3 is fixedly connected with one end of a transmission roller 31, the transmission driving motor 3 can drive the rotation roller 31 to rotate, one end of a carrier roller 71 is concentrically and fixedly connected with a belt pulley 77, the belt pulley 77 is in transmission connection with the transmission roller 31 through a belt, and the belt pulley 77 is also in transmission connection with a take-up roller 52 through a belt;
the mounting substrate 1 is also fixedly provided with a hot air box 4, the hot air box 4 is a rectangular box body, one end of the hot air box 4 is connected in series with a heating device and an air compressor through a pipeline, the air compressor is used for improving the air pressure input into the hot air box 4, the heating device is used for heating compressed air, one surface of the hot air box 4 facing the composite textile fabric is provided with a plurality of strip-shaped holes, and the arrangement direction of the strip-shaped holes is perpendicular to the transmission direction of the composite textile fabric;
the working method of the composite device comprises the following steps:
the reinforcing layer fabric is unreeled through the unreeling structure 6, is guided by the first guide roller 13 and the second guide roller 14 and then is transmitted into the heating structure 8, is guided by the row of rolling carrier rollers 83 rotatably arranged on the roller connecting frame 81 to advance in a reinforcing manner, and is heated through the electric heating pipe fixedly arranged on the pressing cover 82 in the guiding process;
the supporting frame 21 is driven by the first driving air cylinder 22 to move in the vertical direction, so that the distance between the nozzle mounting plate 212 and the enhancement layer fabric is adjusted, meanwhile, the position of the fifth guide roller 28 in the vertical direction is adjusted by the second driving air cylinder 26, so that the fifth guide roller 28 guides the enhancement layer fabric, the fabric is prevented from being scratched by the edge of the heating structure 8, and adhesive is sprayed out by the nozzle arranged at the bottom of the nozzle mounting plate 212, so that adhesive particles are uniformly attached to one surface of the enhancement layer fabric;
fifthly, the glue spraying surface of the reinforcing layer fabric guided by the guide roller 28 is guided to the upper part of the hot air box 4 by the third guide roller 15 and the fourth guide roller 16 after being compounded with the skin-friendly layer fabric for transmission, when the fabric is transmitted above the hot air box 4, hot air is output through the hot air box 4, on one hand, the solidification of adhesive particles is accelerated, the adhesive particles are prevented from being transferred in a large range, the hand feeling of the formed fabric is influenced, and meanwhile, high-temperature and high-pressure gas is blown upwards from the hot air box 4, the adhesive particles can be prevented from being transferred downwards to the skin-friendly layer fabric under the influence of gravity, so that the softness of the compounded textile fabric is improved;
the composite textile fabric after being pressed is guided by the pressing adjusting structure 7 to be rolled on the rolling structure 5.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (7)
1. A modified composite textile fabric is characterized by comprising a skin-friendly layer fabric and an enhancement layer fabric which are bonded and compounded, wherein the skin-friendly layer fabric and the enhancement layer fabric are bonded and compounded through a compounding device, and the enhancement layer fabric is prepared by uniformly mixing modified polyester fibers, spandex fibers and cotton fibers and then spinning into yarns and then spinning;
the preparation method of the modified polyester fiber comprises the following steps:
s1, preparing a sodium hydroxide solution with the mass concentration of 4% -7%, heating the sodium hydroxide solution to 60-75 ℃, adding polyester fibers into the sodium hydroxide solution, performing heat preservation and heating treatment for 10-30min, taking out the polyester fibers, washing the polyester fibers with deionized water until the surfaces of the polyester fibers are neutral, and drying the polyester fibers at the temperature of 65-70 ℃ to obtain surface-treated polyester fibers;
s2, adding sericin into deionized water, freeze-drying after the sericin sufficiently absorbs water, adding the freeze-dried sericin into the deionized water again, and freeze-drying to obtain porous sericin for later use;
s3, preparing a silver nitrate solution with the concentration of 4-7.2g/100ml, heating the silver nitrate solution to boiling, adding a sodium citrate aqueous solution serving as a reducing agent, carrying out heat preservation boiling treatment for 4-7min, then naturally cooling to 20-40 ℃, then adding the porous sericin prepared in the step S2, carrying out ultrasonic treatment for 10-25min under the condition of the frequency of 40-80KHz, filtering, and carrying out freeze drying to obtain the antibacterial modified sericin;
s4, adding the antibacterial modified sericin into a polyurethane emulsion with the solid content of 16-25%, uniformly mixing, carrying out ultrasonic treatment for 10-25min under the condition of frequency of 40-80KHz to obtain a treatment solution, wherein the weight ratio of the antibacterial modified sericin to a polyurethane emulsion solid phase is 1.1-0.3, then adding the surface-treated polyester fiber prepared in the step S1 into the treatment solution, carrying out ultrasonic treatment for 5-7min under the condition of frequency of 20-60KHz, filtering, and drying at 50-60 ℃ in a nitrogen atmosphere to obtain the modified polyester fiber;
unwinding the fabric of the enhancement layer by an unwinding structure (6) on the composite device, guiding the fabric of the enhancement layer by a first guide roller (13) and a second guide roller (14) and then transmitting the fabric into a heating structure (8), guiding the fabric of the enhancement layer to advance by a row of rolling carrier rollers (83) rotatably arranged on a roller connecting frame (81), and fixedly arranging an electric heating pipe on a pressing cover (82) to heat the fabric of the enhancement layer in the guiding process;
the supporting frame (21) is driven by the first driving air cylinder (22) to move in the vertical direction, so that the distance between the spray head mounting disc (212) and the reinforcing layer fabric is adjusted, meanwhile, the position of the fifth guide roller (28) in the vertical direction is adjusted by the second driving air cylinder (26), and adhesive is sprayed out by a spray head arranged at the bottom of the spray head mounting disc (212), so that adhesive particles are uniformly attached to one surface of the reinforcing layer fabric;
after the glue spraying surface of the reinforcing layer fabric guided by the fifth guide roller (28) is compounded with the skin-friendly layer fabric, the fabric is guided to the upper part of the hot air box (4) by the third guide roller (15) and the fourth guide roller (16) to be transmitted, and when the fabric is transmitted above the hot air box (4), the hot air box (4) outputs hot air;
the pressed composite textile fabric is guided by the pressing adjusting structure (7) to be rolled on the rolling structure (5);
the hot air box (4) is fixedly mounted on the mounting base plate (1), the hot air box (4) is a rectangular box body, a heating device and an air compressor are connected in series with one end of the hot air box (4) through a pipeline, a plurality of strip-shaped holes are formed in one face, facing the composite textile fabric, of the hot air box (4), and the arrangement direction of the strip-shaped holes is perpendicular to the transmission direction of the composite textile fabric.
2. The modified composite textile fabric according to claim 1, wherein the ratio of the thickness of the skin-friendly layer fabric to the thickness of the reinforcing layer fabric is 1:0.2-0.5, wherein the thickness of the skin-friendly layer fabric is 1-2.5mm, and the skin-friendly layer fabric is prepared by spinning one or a mixture of at least two of cotton fibers, hemp fibers, silk fibers and wool fibers in any ratio into yarns and then spinning.
3. The modified composite textile fabric according to claim 1, wherein the weight percentage of spandex in the fabric of the reinforcement layer is 4% -6%, the weight percentage of modified polyester fiber is 20% -50%, and the balance is cotton fiber.
4. The modified composite textile fabric as claimed in claim 1, wherein the composite device comprises a mounting substrate (1), an unwinding structure (6), a winding structure (5), a pressing adjustment structure (7), a heating structure (8) and a driving box (11) are fixedly mounted on the mounting substrate (1), and a glue spraying device (2) is mounted on the driving box (11);
the unwinding structure (6) comprises an unwinding roller supporting rod (61), one end of the unwinding roller supporting rod (61) is fixedly connected with the mounting substrate (1), the other end of the unwinding roller supporting rod (61) is rotatably connected with the unwinding structure (6), the winding structure (5) comprises a winding roller supporting rod (51), one end of the winding roller supporting rod (51) is fixedly mounted on the mounting substrate (1), and the other end of the winding roller supporting rod (51) is rotatably connected with a winding roller (52);
the glue spraying device (2) comprises a connecting triangular plate (24), a lead screw sleeve (25) is fixedly installed at one end of the connecting triangular plate (24), a first driving cylinder (22) is fixedly installed at the other end of the connecting triangular plate (24), a cylinder shaft of the first driving cylinder (22) is fixedly connected with the bottom of an L-shaped plate (23), a supporting frame (21) is fixedly installed on one surface of the L-shaped plate (23), a plurality of smooth rods (29) are slidably installed on the bottom surface of the supporting frame (21), an installation chassis (211) is fixedly connected with the other end of each smooth rod (29), a buffer spring (210) is sleeved on the part, between the installation chassis (211) and the supporting frame (21), a spray head installation disc (212) is installed on the installation chassis (211), and a plurality of spray heads are fixedly installed on the spray head installation disc (212);
a second driving cylinder (26) is fixedly mounted on one side of the supporting frame (21), a cylinder shaft of the second driving cylinder (26) is fixedly connected with a U-shaped plate (27), and a fifth guide roller (28) is rotatably mounted on the U-shaped plate (27);
a screw shaft is rotatably mounted in the driving box (11), a driving motor (12) is fixedly mounted at one end of the driving box (11), the shaft extending end of the driving motor (12) is fixedly connected with one end of the screw shaft in the driving box (11), the screw shaft is driven to rotate through the driving motor (12), the screw sleeve (25) is sleeved on the screw shaft in the driving box (11), and the screw shaft is matched with the screw sleeve (25) through a thread structure;
the pressing adjusting structure (7) comprises a pressing screw rod (744) and a U-shaped shell, a carrier roller (71) and a sixth guide roller (73) are rotatably mounted on the U-shaped shell, a pressing roller mounting structure (74) is further mounted on the U-shaped shell, a pressing roller (72) is rotatably mounted at one end of the pressing roller mounting structure (74), the other end of the pressing roller mounting structure is fixedly connected with the U-shaped shell through a connecting spring (749), the pressing roller mounting structure (74) comprises a connecting support piece (741), an adjusting hole (742) is formed in the connecting support piece (741), a partition plate (743) is arranged in the adjusting hole (742), and the inside of the adjusting hole (742) is divided into an upper part and a lower part by the partition plate (743); one end of the pressing screw rod (744) is fixedly connected with a pressing nut (748), a first extrusion spring (747) is sleeved on the pressing screw rod (744) at a position between the pressing nut (748) and the connecting support piece (741), and the first extrusion spring (747) is arranged between the pressing nut and the U-shaped shell;
a limiting lantern ring (746) is fixedly sleeved on the outer wall of the pressing screw rod (744), the limiting lantern ring (746) is positioned at one part of the upper portion of the adjusting hole (742), and a second extrusion spring (745) is sleeved on the pressing screw rod (744) between the limiting lantern ring (746) and the partition plate (743);
the pressing screw rod (744) is in threaded fit with the U-shaped shell and the connecting support piece (741), and the pressing screw rod (744) is in vertical sliding connection with the partition plate (743).
5. The modified composite textile fabric according to claim 4, wherein the heating structure (8) comprises a roller connecting frame (81), a row of rolling carrier rollers (83) is rotatably arranged on the roller connecting frame (81), a pressing cover (82) is fixedly arranged on the roller connecting frame (81), a square opening (84) is formed in the pressing cover (82), the glue spraying device (2) is arranged above the square opening (84), and an electric heating pipe is fixedly arranged on one surface of the pressing cover (82) facing the roller connecting frame (81).
6. The modified composite textile fabric as claimed in claim 5, wherein the diameter of the end of the smooth rod (29) far away from the mounting chassis (211) is larger than the diameter of the through hole at the sliding connection part of the support frame (21) and the smooth rod (29).
7. The modified composite textile fabric of claim 6, wherein the mounting substrate (1) is rotatably provided with a first guide roller (13), a second guide roller (14), a third guide roller (15) and a fourth guide roller (16), the mounting substrate (1) is further fixedly provided with a transmission driving motor (3), an axial extension end of the transmission driving motor (3) is fixedly connected with one end of the transmission roller (31), the transmission driving motor (3) can drive the transmission roller (31) to rotate, one end of the carrier roller (71) is concentrically and fixedly connected with a belt pulley (77), the belt pulley (77) is in transmission connection with the transmission roller (31), and the belt pulley (77) is also in transmission connection with the wind-up roller (52) through a belt.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111639018.2A CN114274614B (en) | 2021-12-29 | 2021-12-29 | Modified composite textile fabric and preparation method thereof |
| PCT/CN2021/143766 WO2023123389A1 (en) | 2021-12-29 | 2021-12-31 | Modified composite textile fabric and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111639018.2A CN114274614B (en) | 2021-12-29 | 2021-12-29 | Modified composite textile fabric and preparation method thereof |
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| CN114274614A CN114274614A (en) | 2022-04-05 |
| CN114274614B true CN114274614B (en) | 2022-12-09 |
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| WO (1) | WO2023123389A1 (en) |
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| CN115027104B (en) * | 2022-08-12 | 2022-11-25 | 江苏梦吉妮科技集团有限公司 | Antibacterial moisture-absorbing heating composite fabric and preparation method thereof |
| CN117328236A (en) * | 2023-11-24 | 2024-01-02 | 南通天梭纺织有限公司 | Fabric processing device with antibacterial effect and application method thereof |
| CN117682360B (en) * | 2024-02-04 | 2024-04-23 | 杭州新天元织造有限公司 | Surface fabric rolling and transporting system and method after surface finishing of functional polyester fabric |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6602811B1 (en) * | 1998-12-23 | 2003-08-05 | Malden Mills Industries, Inc. | Anti-microbial enhanced knit fabric |
| CN103496230A (en) * | 2013-09-02 | 2014-01-08 | 苏州东茂纺织实业有限公司 | Chiffon composite fabric |
| CN106192147A (en) * | 2016-08-03 | 2016-12-07 | 江苏云蝠服饰股份有限公司 | A kind of easy dry non-ironing face fabric |
| CN107653672B (en) * | 2017-10-13 | 2020-06-09 | 浙江真爱毯业科技有限公司 | Sericin modified polyester raschel blanket |
| CN110395017B (en) * | 2019-08-05 | 2022-03-18 | 福建凤竹纺织科技股份有限公司 | Wear-resistant sweat-discharging environment-friendly school uniform fabric and preparation method thereof |
| CN211031495U (en) * | 2019-10-08 | 2020-07-17 | 石狮华用新材料科技有限公司 | Antistatic non-woven fabric composite fabric |
| CN212242438U (en) * | 2019-12-31 | 2020-12-29 | 吴江市欧雅针织有限公司 | Skin-friendly soft high-elasticity polyester cotton fabric |
| CN113290971B (en) * | 2021-05-14 | 2022-06-28 | 福建凤竹纺织科技股份有限公司 | Nano antifouling and antibacterial textile fabric and preparation method thereof |
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| WO2023123389A1 (en) | 2023-07-06 |
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