Fabric with graphene conductive film and preparation method thereof

Abstract

The present invention relates to the technical field of functional fabrics, and specifically to a fabric with a graphene conductive film and a preparation method thereof, comprising a surface fabric, an upper supporting insulating layer, a graphene conductive film layer, a lower supporting insulating layer and a base fabric layer which are sequentially arranged from top to bottom; the fabric of the present invention wraps the graphene conductive film layer with an upper supporting insulating layer and a lower supporting insulating layer, thereby playing a role of isolation support, preventing current leakage and protecting the conductive layer from damage; a wear-resistant and waterproof protective coating is coated on the surface of the graphene conductive film layer to improve the use performance of the graphene conductive film layer; a plurality of reinforced fabrics distributed in an array are arranged above the lower supporting insulating layer, which are formed by interlacing and weaving a combination of carbon fiber threads, aramid insulating threads and polyester threads into thick threads, thereby providing uniform supporting force, reducing deformation and damage of the graphene conductive film layer, improving the stability and durability of the overall structure of the fabric, and extending its service life.

Description

Technical Field

[0001] The present invention relates to the technical field of functional fabrics, and in particular to a fabric with a graphene conductive film and a preparation method thereof. Background Art

[0002] After graphene is dispersed, it is evenly added into the polyester component to form a polyester film with conductive properties, and then the film is compounded with the fabric to obtain the graphene conductive fabric.

[0003] At present, China's patent application number: CN202211286392.3 discloses a graphene conductive fabric, including a surface fabric and a graphene film bonded to the lower surface of the surface fabric; it also includes a first antibacterial layer, a fireproof layer, a second antibacterial layer and a wear-resistant layer; the first antibacterial layer is bonded to the upper surface of the surface fabric, the second antibacterial layer is bonded to the upper surface of the first antibacterial layer, and antibacterial particles are embedded between the first antibacterial layer and the second antibacterial layer; the fireproof layer is bonded to the upper surface of the second antibacterial layer, and the wear-resistant layer is bonded to the upper surface of the fireproof layer.

[0004] However, existing graphene conductive fabrics are usually insulated and protected only on one side, which makes it inconvenient to effectively isolate and protect the graphene conductive film layer, and the supporting property is poor. The supporting force for the graphene conductive film layer is uneven, which makes it easy for the fabric to deform and be damaged during use, thus affecting the service life of the fabric. In addition, in the preparation process of the graphene conductive fabric, a fabric layer made of a single wire is usually used, which makes it inconvenient to wind and weave multiple wires, thus affecting the performance of the fabric and resulting in a relatively short service life. Summary of the invention

[0005] The object of the present invention is to provide a fabric having a graphene conductive film and a preparation method thereof, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a fabric with a graphene conductive film, comprising a surface fabric, an upper supporting insulating layer, a graphene conductive film layer, a lower supporting insulating layer and a base fabric layer arranged in sequence from top to bottom, and the layers are connected by high-temperature fusion, the upper supporting insulating layer and the lower supporting insulating layer have the same structure, and are symmetrically arranged up and down, a rectangular groove is distributed above the lower supporting insulating layer, and a reinforced fabric is arranged inside the rectangular groove, the reinforced fabric is formed by combining carbon fiber threads, aramid insulating threads and polyester threads into thick threads and then interlaced and woven, and the bottom side of the reinforced fabric is attached to the lower supporting insulating layer through a sponge layer.

[0007] Preferably, the number of the reinforcing fabrics is no less than fifteen, and the reinforcing fabrics are distributed in an array on the top side of the lower supporting insulating layer.

[0008] Preferably, the surface fabric and the base fabric layer are both coated with a waterproof and antibacterial coating containing silver nanoparticles.

[0009] Preferably, the surface of the graphene conductive film layer is coated with a wear-resistant and waterproof protective coating, and the junction between the graphene conductive film layer and the upper supporting insulating layer and the lower supporting insulating layer is reinforced by double-layer stitching.

[0010] In addition, the present invention provides a method for preparing a fabric having a graphene conductive film, comprising the following steps:

[0011] S1. Take a carbon fiber thread bobbin, an aramid insulation thread bobbin and a polyester thread bobbin and install them on a thread making device. The carbon fiber thread, the aramid insulation thread and the polyester thread are combined into a thick thread by the thread making device. The thick thread is then interlaced and woven to form a reinforced fabric. A plurality of reinforced fabrics are distributed in an array and then attached to a lower supporting insulation layer through a sponge layer.

[0012] S2, take the graphene conductive film layer, apply a wear-resistant and waterproof protective coating on its surface, then fuse the upper supporting insulating layer and the lower supporting insulating layer to the upper and lower sides of the graphene conductive film layer by glue at high temperature, and use wear-resistant sewing thread to perform double-layer sewing treatment at the joint;

[0013] S3. After the above treatment, the upper side of the upper supporting insulating layer is fused with the surface fabric at high temperature, and the lower side of the lower supporting insulating layer is fused with the base fabric layer at high temperature. After fusion, a waterproof and antibacterial coating containing silver nanoparticles is coated on the surface fabric and the base fabric layer respectively to form a fabric with a graphene conductive film.

[0014] Preferably, the wire making equipment includes a pad, and a wire taking-up structure, a longitudinal guide wheel, a transverse guide wheel, a wire winding structure and a yarn frame are sequentially arranged on the top of the pad from left to right, and the wire taking-up structure, the wire winding structure and the bottom of the yarn frame are all fastened to the pad, and the middle parts of the front and rear sides of the longitudinal guide wheel are connected with pillars, and the bottoms of the pillars are fastened to the pad, and two transverse guide wheels are provided, and the two transverse guide wheels are symmetrically arranged front and back in the middle of the pad, and support tubes are provided at the bottoms of the two transverse guide wheels, and the bottoms of the support tubes are connected to the pad, and annular grooves for passing the wire are opened in the middle parts of the outer surfaces of the transverse guide wheels and the longitudinal guide wheels.

[0015] Preferably, the wire winding structure includes a stand whose bottom is fastened to a pad, a main gear rotatably connected to the middle right side of the stand, a first motor connected to the middle side of the main gear, a slave gear meshed with the top of the main gear, and a double-bobbin assembly penetrating through the middle of the slave gear, the double-bobbin assembly penetrates and rotates inside the top side of the stand, the rear side of the first motor is fastened to the stand through a mounting seat, and the middle left side of the slave gear is rotatably connected to the stand.

[0016] Preferably, the double-wire spool assembly includes a first gear rotatably connected to the upright frame on the middle side of the right part, a hollow rod penetrating the middle side of the first gear, a supporting frame wrapped around the middle side of the outer surface of the hollow rod, a first clamping frame penetrating and rotating on the inner side of the rear part of the supporting frame, a second clamping frame penetrating and rotating on the inner side of the front part of the supporting frame, a second gear connected to the right end of the first clamping frame, a third gear connected to the right end of the second clamping frame, a first wire spool arranged on the left side of the first clamping frame, and a second wire spool arranged on the left side of the second clamping frame, the front and rear sides of the first gear are respectively meshed with the third gear and the second gear, the right side of the outer surface of the hollow rod is penetrated and fixed to the middle part of the gear, a wire rod is arranged on the left end of the hollow rod, and circular openings begin to appear on the front and rear sides of the wire rod.

[0017] Preferably, the wire-winding structure includes a support plate whose bottom is fastened to the pad, a first support block fixedly connected to the left front side of the top of the support plate, a second motor fastened to the top side of the front of the first support block, a winding drum connected to the rear output end of the second motor, two second support blocks fixedly connected to the right side of the top of the support plate, a slot rod fastened to the inner sides of the two second support blocks, and a limiting wheel wrapped around the outer surface of the slot rod, and the front middle side of the winding drum is rotatably connected to the first support block.

[0018] Preferably, both the front and rear sides of the limiting wheel are bent and inclined outward, and a sliding block is provided on the inner middle side of the limiting wheel, and the sliding block is inserted and slid on the inner side of the sliding groove of the groove rod.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The fabric with graphene conductive film of the present invention wraps the graphene conductive film layer through the upper supporting insulating layer and the lower supporting insulating layer, plays the role of isolation support, prevents current leakage and protects the conductive layer from damage, and uses double-layer stitching to strengthen the joint to prevent cracking and damage at the joint, the surface fabric and the base fabric layer are coated with a waterproof and antibacterial coating containing silver nanoparticles, which has waterproof and antibacterial properties while increasing the electromagnetic radiation protection function and reducing the impact of radiation on the human body, and the surface of the graphene conductive film layer is coated with a wear-resistant and waterproof protective coating to improve the use performance of the graphene conductive film layer, and a plurality of reinforced fabrics distributed in an array are arranged above the lower supporting insulating layer. The reinforced fabrics are attached to the lower supporting insulating layer through a sponge layer to increase the overall strength and stability of the fabric, provide uniform supporting force, reduce deformation and damage of the graphene conductive film layer during use, and to a certain extent improve the stability and durability of the overall structure of the fabric, thereby extending its service life.

[0021] The present invention optimizes the arrangement of a wire making device in a method for preparing a fabric with a graphene conductive film, and respectively installs a carbon fiber thread bobbin on a yarn frame, an aramid insulating thread bobbin and a polyester thread bobbin on a first thread bobbin and a second thread bobbin; the three strands of wire pass through two transverse guide wheels, and then pass through the top side of a longitudinal guide wheel and the bottom side of a limiting wheel and are wound around a winding drum; the winding drum is rotated by starting a second motor to pull and wind up the three strands of wire; while the three strands of wire are being pulled, the aramid insulating thread and the polyester thread are wound around the surface of the carbon fiber thread by the first motor, and then the three strands of wire are wound to form a thick thread, which is then evenly wound up on the surface of the winding drum; the formed thick thread has insulation, wear resistance and high temperature stability.

[0022] The left end of the hollow rod of the present invention is provided with a conductor rod, and circular openings are formed on the front and rear sides of the conductor rod. The carbon fiber thread on the yarn rack passes through the hollow rod and then passes out, and the aramid insulation thread and the polyester thread pass out through the two circular openings of the conductor rod respectively, so that the three strands of thread are wound and woven to form a thick thread. The front and rear sides of the limiting wheel are bent and tilted outward to avoid scratching the thick thread guided inside, and a slider is provided on the middle side of the limiting wheel. The slider is inserted into and slides on the inner side of the slide groove of the groove rod. During the winding process of the thick thread, the limiting wheel makes a reciprocating motion of shifting back and forth on the surface of the groove rod through the slider, so that the thick thread is evenly wound and wound on the surface of the winding drum. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 It is a schematic diagram of the structure of the upper supporting insulating layer, the graphene conductive film layer and the lower supporting insulating layer connected to each other in the present invention;

[0025] Figure 3 The present invention is a flowchart of a method for preparing a graphene conductive film fabric;

[0026] Figure 4 It is a structural schematic diagram of the wire making equipment of the present invention;

[0027] Figure 5 It is a structural schematic diagram of the winding wire structure of the present invention;

[0028] Figure 6 It is a structural schematic diagram of the double bobbin assembly of the present invention;

[0029] Figure 7 It is a structural schematic diagram of the wire take-up structure of the present invention.

[0030] In the figure: surface fabric-1, upper supporting insulating layer-2, graphene conductive film layer-3, lower supporting insulating layer-4, base fabric layer-5, reinforcing fabric-41, pad-6, yarn rack-7, winding wire structure-8, take-up wire structure-9, transverse guide wheel-10, support cylinder-11, longitudinal guide wheel-12, support column-13, stand-81, main gear-82, first motor-83, slave gear-84, double bobbin assembly-85, The first gear-851, the hollow rod-852, the supporting frame-853, the first clamping frame-854, the second clamping frame-855, the second gear-856, the third gear-857, the first bobbin-858, the second bobbin-859, the conductor rod-8521, the supporting plate-91, the first supporting block-92, the second motor-93, the winding drum-94, the second supporting block-95, the slot rod-96, the limiting wheel-97, and the slider-98. DETAILED DESCRIPTION

[0031] In order to further explain the technical solution of the present invention, it is described in detail below through specific embodiments.

[0032] See also Figure 1 and Figure 2The present invention provides a fabric with a graphene conductive film, comprising a surface fabric 1, an upper supporting insulating layer 2, a graphene conductive film layer 3, a lower supporting insulating layer 4 and a base fabric layer 5 which are sequentially arranged from top to bottom, and the layers are connected by high-temperature fusion. The upper supporting insulating layer 2 and the lower supporting insulating layer 4 have the same structure and are symmetrically arranged up and down, so that the graphene conductive film layer 3 is wrapped by the upper supporting insulating layer 2 and the lower supporting insulating layer 4 to play the role of isolation support, prevent current leakage and protect the conductive layer from damage. The surface of the surface fabric 1 and the base fabric layer 5 are coated with a waterproof and antibacterial coating containing silver nanoparticles, which has waterproof and antibacterial properties while increasing electromagnetic radiation protection functions to reduce the impact of radiation on the human body. The surface of the graphene conductive film layer 3 is coated with a wear-resistant and waterproof protective coating, and the junction of the graphene conductive film layer 3 and the upper supporting insulating layer 2 and the lower supporting insulating layer 4 is made Double-layer stitching is used for reinforcement treatment to improve the performance of the graphene conductive film layer 3, and the double-layer stitching can prevent cracking and damage at the seams. Rectangular grooves are distributed above the lower supporting insulating layer 4, and reinforced fabrics 41 are arranged inside the rectangular grooves. The reinforced fabrics 41 are formed by combining carbon fiber threads, aramid insulating threads and polyester threads into thick threads and then interlaced and woven. The bottom side of the reinforced fabrics 41 is attached to the lower supporting insulating layer 4 through a sponge layer, and the sponge layer provides buffering and support to reduce damage caused by external impact. No less than fifteen pieces of reinforced fabrics 41 are provided, and the reinforced fabrics 41 are distributed in an array on the top side of the lower supporting insulating layer 4 to increase the overall strength and stability of the fabric, provide uniform supporting force, reduce deformation and damage of the graphene conductive film layer 3 during use, and to a certain extent improve the stability and durability of the overall structure of the fabric and extend its service life.

[0033] See also Figure 1-7 The present invention provides a method for preparing a fabric having a graphene conductive film, comprising the following steps:

[0034] S1, take a carbon fiber thread bobbin, an aramid insulation thread bobbin and a polyester thread bobbin and install them on a thread making device, combine the carbon fiber thread, the aramid insulation thread and the polyester thread into a thick thread through the operation of the thread making device, and then interweave the thick thread to form a reinforced fabric 41, distribute a plurality of reinforced fabrics 41 in an array shape and adhere them to the lower supporting insulation layer 4 through a sponge layer;

[0035] S2, take the graphene conductive film layer 3, apply a wear-resistant and waterproof protective coating on its surface, then fuse the upper supporting insulating layer 2 and the lower supporting insulating layer 4 to the upper and lower sides of the graphene conductive film layer 3 by glue at high temperature, and use wear-resistant sewing thread to perform double-layer sewing treatment at the joint;

[0036] S3. After the above treatment, the upper side of the upper supporting insulating layer 2 is fused with the surface fabric 1 at high temperature, and the lower side of the lower supporting insulating layer 4 is fused with the base fabric layer 5 at high temperature. After fusion, a waterproof and antibacterial coating containing silver nanoparticles is coated on the surface fabric 1 and the base fabric layer 5 respectively to form a fabric with a graphene conductive film.

[0037] Among them, the wire making equipment includes a pad 6, and a wire taking-up structure 9, a longitudinal guide wheel 12, a transverse guide wheel 10, a winding wire structure 8 and a yarn frame 7 are sequentially arranged on the top of the pad 6 from left to right. The wire taking-up structure 9, the winding wire structure 8 and the bottom of the yarn frame 7 are all fastened to the pad 6. The yarn frame 7 is used to place the carbon fiber silk bobbin. The middle of the front and rear sides of the longitudinal guide wheel 12 are connected with a pillar 13, and the bottom of the pillar 13 is fastened to the pad 6 to ensure the stability of the rotation and guidance of the longitudinal guide wheel 12. There are two transverse guide wheels 10, and the two transverse guide wheels 10 are symmetrically arranged in the middle of the pad 6. The bottom of the two transverse guide wheels 10 is provided with a support tube 11, and the bottom of the support tube 11 is connected to the pad 6 to limit and guide the silk thread through the two transverse guide wheels 10. The middle of the outer surface of the transverse guide wheel 10 and the longitudinal guide wheel 12 is provided with an annular groove for passing the wire, and the wire is limited in the annular groove to ensure the stability of the moving and conveying of the wire.

[0038] The winding wire structure 8 includes a stand 81 whose bottom is fastened to the pad 6, a main gear 82 rotatably connected to the middle part of the right side of the stand 81, a first motor 83 connected to the middle side of the main gear 82, a slave gear 84 meshed with the top of the main gear 82, and a double-spool assembly 85 penetrating through the middle of the slave gear 84. Under the action of the first motor 83, the main gear 82 drives the slave gear 84 to rotate on the stand 81, so that the slave gear 84 drives the double-spool assembly 85 to rotate. The double-spool assembly 85 penetrates and rotates on the top side of the stand 81 to ensure the stability of the double-spool assembly 85. The rear side of the first motor 83 is installed by The seat is fastened to the frame 81, and the left middle part of the slave gear 84 is rotatably connected to the frame 81. The double-spool assembly 85 includes a first gear 851 rotatably connected to the frame 81 on the right middle side, a hollow rod 852 penetrating the middle side of the first gear 851, a support frame 853 wrapped around the middle side of the outer surface of the hollow rod 852, and the right side of the outer surface of the hollow rod 852 penetrates and is fixed to the middle part of the slave gear 84, so as to drive the hollow rod 852 and the first gear 851 to rotate when the slave gear 84 moves, a first clamping frame 854 penetrating and rotating on the inner side of the rear part of the support frame 853, a second clamping frame 855 penetrating and rotating on the inner side of the front of the support frame 853, and a connecting The second gear 856 at the right end of the first clamping frame 854, the third gear 857 connected to the right end of the second clamping frame 855, the first wire drum 858 arranged on the left side of the first clamping frame 854, and the second wire drum 859 arranged on the left side of the second clamping frame 855, the first wire drum 858 and the second wire drum 859 are respectively used to place the aramid insulated wire drum and the polyester wire drum, the front and rear sides of the first gear 851 are respectively meshed with the third gear 857 and the second gear 856, the support frame 853 is synchronously rotated on the surface of the hollow rod 852, and the first clamping frame 854 and the second clamping frame are rotated by the support frame 853. The frame 855 rotates, and while the first clamping frame 854 and the second clamping frame 855 rotate, the first clamping frame 854 and the second clamping frame 855 rotate inside the support frame 853 through the meshing rotation of the second gear 856 and the third gear 857 with the first gear 851. A conductor rod 8521 is provided at the left end of the hollow rod 852, and circular holes are formed on both the front and rear sides of the conductor rod 8521. The carbon fiber thread on the yarn frame 7 passes through the hollow rod 852 and then passes out, and the aramid insulated thread and the polyester thread pass out through the two circular holes of the conductor rod 8521 respectively, so that the three strands are intertwined and woven to form a thick line.

[0039] The wire-receiving structure 9 includes a support plate 91 fastened to the backing plate 6 at the bottom, a first support block 92 fixedly connected to the left front side of the top of the support plate 91, a second motor 93 fastened to the top side of the front of the first support block 92, a winding drum 94 connected to the rear output end of the second motor 93, two second support blocks 95 fixedly connected to the right side of the top of the support plate 91, a groove rod 96 fastened to the inner side of the two second support blocks 95, and a limiting wheel 97 wrapped around the outer surface of the groove rod 96. The front middle side of the winding drum 94 is rotatably connected to the first support block 92, so that the thick wire can be reeled in. The wire is wound around the bottom side of the limiting wheel 97 and then wound on the winding drum 94. The winding drum 94 is rotated by starting the second motor 93 to wind the thick wire. The front and rear sides of the limiting wheel 97 are bent and tilted outward to avoid scratching the thick wire guided inside. A slider 98 is provided on the middle side of the limiting wheel 97. The slider 98 is inserted and slid on the inner side of the slide groove of the groove rod 96. During the thick wire winding process, the limiting wheel 97 moves back and forth on the surface of the groove rod 96 through the slider 98, so that the thick wire is evenly wound and wound on the surface of the winding drum 94.

[0040] When preparing the thick wire, the user first installs the carbon fiber thread bobbin on the yarn rack 7, and the aramid insulation thread bobbin and the polyester thread bobbin on the first bobbin 858 and the second bobbin 859 respectively, and then passes the outermost end of the carbon fiber thread through the inner side of the hollow rod 852, and then passes the carbon fiber thread through the inner side of the two lateral guide wheels 10, and then passes the aramid insulation thread and the polyester thread through the two circular openings of the conductor rod 8521 and enters the two lateral guide wheels 10, and then passes the three-strand thread through the top side of the longitudinal guide wheel 12 and the bottom side of the limiting wheel 97 and then winds it around the winding drum 94; control to start the second motor 93 and the first motor 83, and the winding drum 94 is rotated by starting the second motor 93 to pull and wind the three-strand thread, and while the three-strand thread is being pulled, the first motor 83 causes the main gear 82 to pass through the matching belt with the slave gear 84 The hollow rod 852 and the first gear 851 are moved to rotate, and the support frame 853 is synchronously indexed on the surface of the hollow rod 852. The rotation of the support frame 853 causes the first clamping frame 854 and the second clamping frame 855 to rotate. While the first clamping frame 854 and the second clamping frame 855 are rotating, the second gear 856 and the third gear 857 are meshed and rotated with the first gear 851 to cause the first clamping frame 854 and the second clamping frame 855 to rotate inside the support frame 853, so that the aramid insulating wire and the polyester wire are wound on the surface of the carbon fiber wire and then rolled onto the winding drum 94. In the process of the winding drum 94 winding up the thick wire, the sliding block 98 inside the limiting wheel 97 slides with the groove rod 96, so that the limiting wheel 97 performs a reciprocating motion of shifting back and forth on the surface of the groove rod 96, so that the thick wire is evenly wound and rolled on the surface of the winding drum 94.

[0041] The present invention discloses a fabric with a graphene conductive film and a preparation method thereof. The fabric with a graphene conductive film wraps a graphene conductive film layer 3 through an upper supporting insulating layer 2 and a lower supporting insulating layer 4, which plays a role of isolation support, prevents current leakage and protects the conductive layer from damage, and uses double-layer stitching to strengthen the joint to prevent cracking and damage at the joint. The surface of the surface fabric 1 and the base fabric layer 5 are coated with a waterproof and antibacterial coating containing silver nanoparticles, which has waterproof and antibacterial properties while increasing electromagnetic radiation protection functions, reducing the impact of radiation on the human body, and a wear-resistant and waterproof protective coating is coated on the surface of the graphene conductive film layer 3 to improve the graphene conductive film layer 3. In terms of performance, a plurality of reinforced fabrics 41 distributed in an array are arranged above the lower supporting insulating layer 4, which are formed by interlacing and weaving a combination of carbon fiber threads, aramid insulating threads and polyester threads into thick threads. The reinforced fabrics 41 are attached to the lower supporting insulating layer 4 through a sponge layer to increase the overall strength and stability of the fabric, provide uniform supporting force, reduce deformation and damage of the graphene conductive film layer 3 during use, and to a certain extent improve the stability and durability of the overall structure of the fabric, thereby extending its service life. In the preparation method of the fabric with graphene conductive film, a wire making device is optimized, and the carbon fiber thread bobbins are installed on the yarn rack 7, and the aramid insulating thread is installed on the yarn rack 7. The wire drum and the polyester wire drum are installed on the first wire drum 858 and the second wire drum 859. The three-strand wire passes through the two transverse guide wheels 10, and then passes through the top side of the longitudinal guide wheel 12 and the bottom side of the limit wheel 97, and then is wound on the winding drum 94. The second motor 93 is started to rotate the winding drum 94 to pull and wind up the three-strand wire. While the three-strand wire is being pulled, the aramid insulated wire and the polyester wire are wound around the surface of the carbon fiber wire through the first motor 83, so that the three-strand wire is wound to form a thick wire and then is evenly wound and wound on the surface of the winding drum 94. The formed thick wire has insulation, wear resistance and high temperature stability; the left end of the hollow rod 852 is provided with a conductor rod 8521 , and circular holes are formed on the front and rear sides of the conductor rod 8521. The carbon fiber thread on the yarn rack 7 passes through the hollow rod 852 and then passes through the two circular holes of the conductor rod 8521, respectively, so that the three strands of thread are entangled and braided to form a thick thread. The front and rear sides of the limiting wheel 97 are bent and tilted outward to avoid scratching the thick thread guided inside. A slider 98 is provided on the middle side of the limiting wheel 97. The slider 98 is inserted into and slides on the inner side of the slide groove of the groove rod 96. During the winding process of the thick thread, the limiting wheel 97 makes a reciprocating motion of shifting back and forth on the surface of the groove rod 96 through the slider 98, so that the thick thread is evenly wound and wound on the surface of the winding drum 94.

[0042] The above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A method for preparing a fabric having a graphene conductive film, characterized in that: The fabric comprises a surface fabric (1), an upper supporting insulating layer (2), a graphene conductive film layer (3), a lower supporting insulating layer (4) and a base fabric layer (5) which are arranged in sequence from top to bottom, and the layers are connected by high-temperature fusion. The upper supporting insulating layer (2) and the lower supporting insulating layer (4) have the same structure and are symmetrically arranged from top to bottom. A rectangular groove is distributed above the lower supporting insulating layer (4), and a reinforcing fabric (41) is arranged inside the rectangular groove. The reinforcing fabric (41) is formed by interlacing and weaving a combination of carbon fiber threads, aramid insulating threads and polyester threads into thick threads, and the bottom side of the reinforcing fabric (41) is attached to the lower supporting insulating layer (4) through a sponge layer. The preparation method comprises the following steps: S1, taking a carbon fiber thread bobbin, an aramid insulation thread bobbin and a polyester thread bobbin and installing them on a thread making device, combining the carbon fiber thread, the aramid insulation thread and the polyester thread into a thick thread through the operation of the thread making device, and then interlacing and weaving the thick thread to form a reinforced fabric (41), distributing a plurality of reinforced fabrics (41) in an array shape and attaching them to a lower supporting insulation layer (4) through a sponge layer; S2, taking the graphene conductive film layer (3), coating the surface of the layer with a wear-resistant and waterproof protective coating, and then fusing the upper supporting insulating layer (2) and the lower supporting insulating layer (4) to the upper and lower sides of the graphene conductive film layer (3) by means of glue at high temperature, and performing double-layer sewing treatment at the joint with wear-resistant sewing thread; S3, after the above treatment, the upper side of the upper supporting insulating layer (2) is fused with the surface fabric (1) at high temperature, and the lower side of the lower supporting insulating layer (4) is fused with the base fabric layer (5) at high temperature, and after fusion, a waterproof and antibacterial coating containing silver nanoparticles is coated on the surface fabric (1) and the base fabric layer (5) respectively to form a fabric with a graphene conductive film; The wire making device comprises a pad (6), and a wire taking-up structure (9), a longitudinal guide wheel (12), a transverse guide wheel (10), a winding wire structure (8) and a yarn frame (7) are sequentially arranged on the top of the pad (6) from left to right. The bottoms of the wire taking-up structure (9), the winding wire structure (8) and the yarn frame (7) are all fastened to the pad (6). The middle of the front and rear sides of the longitudinal guide wheel (12) are connected to pillars (13), and the bottom of the pillars (13) is fastened to the pad (6). Two transverse guide wheels (10) are arranged, and the two transverse guide wheels (10) are symmetrically arranged in the middle of the pad (6). The bottoms of the two transverse guide wheels (10) are each provided with a support tube (11), and the bottom of the support tube (11) is connected to the pad (6). The middle parts of the outer surfaces of the transverse guide wheel (10) and the longitudinal guide wheel (12) are both provided with an annular groove for passing the wire; the winding wire structure (8) comprises a stand (81) whose bottom is fastened to the pad (6), a main gear (82) rotatably connected to the middle part of the right side of the stand (81), a first motor (83) connected to the middle side of the inside of the main gear (82), a slave gear (84) meshed with the top of the main gear (82), and a double-wire spool assembly (85) penetrating through the middle part of the slave gear (84), the double-wire spool assembly (85) penetrating and rotatably arranged on the top side of the inside of the stand (81), the rear side of the first motor (83) is fastened to the stand (81) through a mounting seat, and the middle part of the left side of the slave gear (84) is rotatably connected to the stand (81).

2. A method for preparing a fabric having a graphene conductive film according to claim 1, characterized in that: The number of the reinforcing fabrics (41) is no less than fifteen, and the reinforcing fabrics (41) are distributed in an array on the top side of the lower supporting insulating layer (4).

3. The method for preparing a fabric having a graphene conductive film according to claim 1, characterized in that: The surfaces of the surface fabric (1) and the base fabric layer (5) are both coated with a waterproof and antibacterial coating containing silver nanoparticles.

4. The method for preparing a fabric having a graphene conductive film according to claim 1, characterized in that: The surface of the graphene conductive film layer (3) is coated with a wear-resistant and waterproof protective coating, and the junction between the graphene conductive film layer (3) and the upper supporting insulating layer (2) and the lower supporting insulating layer (4) is reinforced by double-layer stitching.

5. The method for preparing a fabric having a graphene conductive film according to claim 1, characterized in that: The double-thread bobbin assembly (85) comprises a first gear (851) rotatably connected to the stand (81) at the middle of the right part, a hollow rod (852) penetrating the middle of the first gear (851), a support frame (853) wrapped around the middle of the outer surface of the hollow rod (852), a first clamping frame (854) penetrating and rotating at the inner side of the rear part of the support frame (853), a second clamping frame (855) penetrating and rotating at the inner side of the front part of the support frame (853), a second gear (856) connected to the right end of the first clamping frame (854), and a second clamping frame (855) connected to the second clamping frame (855). A third gear (857) at the right end, a first wire drum (858) arranged on the left side inside the first clamping frame (854), and a second wire drum (859) arranged on the left side inside the second clamping frame (855), the front and rear sides of the first gear (851) are respectively meshed with the third gear (857) and the second gear (856), the right side of the outer surface of the hollow rod (852) penetrates and is fixed to the middle part of the gear (84), the left end of the hollow rod (852) is provided with a wire rod (8521), and the front and rear sides of the wire rod (8521) are both provided with circular holes.

6. The method for preparing a fabric having a graphene conductive film according to claim 1, characterized in that: The wire-receiving structure (9) comprises a support plate (91) whose bottom is fastened to the pad (6), a first support block (92) fixedly connected to the left front side of the top of the support plate (91), a second motor (93) fastened to the top side of the front portion of the first support block (92), a wire reel (94) connected to the rear output end of the second motor (93), two second support blocks (95) fixedly connected to the right side of the top of the support plate (91), a slot rod (96) fastened to the inner sides of the two second support blocks (95), and a limiting wheel (97) wrapped around the outer surface of the slot rod (96), and the front middle side of the wire reel (94) is rotatably connected to the first support block (92).

7. A method for preparing a fabric having a graphene conductive film according to claim 6, characterized in that: Both the front and rear sides of the limiting wheel (97) are bent and tilted outwards, and a sliding block (98) is arranged on the middle side of the limiting wheel (97), and the sliding block (98) is inserted and slidably arranged on the inner side of the sliding groove of the groove rod (96).

Images