58 results about "Woven fabric composite" patented technology

According to the large-tow carbon fiber composite material device and the preparation method, large-tow carbon fibers to be spread are subjected to yarn spreading treatment through the multi-stage yarn splitting roller set, the multi-stage yarn splitting roller set is formed by alternately arranging the hot rollers and the non-hot rollers, and therefore the situation that due to the arrangement, the yarn spreading speed is low, the fibers are excessively softened can be avoided. The shortest flow guide path is adopted to infiltrate the large-tow carbon fibers subjected to yarn spreading treatment, and the shorter the flow guide path is, the smaller the porosity of the composite material is, so that the mechanical property of the finally prepared large-tow carbon fiber warp knitting fabric composite material is greatly improved, and the mechanical level of the small-tow carbon fiber prepreg is achieved.

A non-woven fabric composite membrane material, and a preparation method therefor and a use thereof. The non-woven fabric composite membrane material has a three-dimensional network structure, and the membrane material is composed of ultra-long carbon nanotubes and a high polymer membrane, wherein the ultra-long carbon nanotubes are loaded on the fiber surface of the high polymer membrane, and / or a self-supporting network formed by the ultra-long carbon nanotubes is deposited in pores of the high polymer membrane. The ultra-long carbon nanotubes and polyolefin are prepared into a composite membrane material by means of an in-situ composite non-woven fabric processing technology as a lithium battery separator, and by means of excellent conductivity, mechanical properties and thermal stability of the carbon nanotubes, the composite membrane material effectively inhibits the heat shrinkage of polyolefin separators and increases the separator breaking temperature while improving the ion transport properties, thereby improving the mechanical properties of polyolefin fiber membranes and the holding capacity of polyolefin fiber membranes in an electrolyte, and improving the safety and the power density of electric vehicles.

The invention relates to the technical field of non-woven fabric composite forming, and discloses a composite layer non-woven fabric forming processing device which comprises a base, a pressing module is installed in the middle of the base, a winding module and a cooling roller are installed on the two sides of the base respectively, and a feeding module is installed on the top side, close to the cooling roller, of the base. A heat exchange assembly used for sufficiently cooling the surface of the diaphragm is arranged in the cooling roller, the heat exchange assembly comprises two extrusion round shells used for changing a cooling area, the two extrusion round shells are symmetrically connected into the cooling roller in a sliding mode, and distribution of a cooling medium in the cooling roller is changed through relative movement of the two extrusion round shells; the heat exchange assembly creates independent cooling atmospheres for the left end, the middle and the right end of the cooling roller, so that it is ensured that the temperature of the membrane is more uniform in the whole cooling process, the problem that the cooling effects of the starting end and the terminal are inconsistent is solved, and the product quality of the composite layer non-woven fabric is directly improved through the consistency of the cooling effects.

The present invention discloses a preparation method, obtained materials and applications of a 2.5D woven fabric composite material, wherein the preparation method adopts a woven fabric prepreg with a 2.5D interlayer angle interlocking structure as a reinforcing material, and performs cutting, paving and hot pressing. The 2.5-dimensional structured woven fabric has excellent interlayer performance and can solve the requirements for interlayer bonding force of composite materials (composite materials for automobiles, especially leaf springs) under complex driving conditions. At the same time, the thickness of the 2.5-dimensional structured woven fabric is thicker than that of traditional unidirectional or bidirectional fiber-reinforced prepreg materials, which can greatly reduce the number of single-layer prepregs to be laid, reduce the difficulty of laying, and improve preparation efficiency.

The invention relates to the technical field of non-woven fabric composite processing, in particular to water-blocking roll film and non-woven fabric composite equipment which comprises a conveying belt and a frame, and the conveying belt is mounted on the outer side wall of the frame; the device comprises a frame, and further comprises a supporting device, an air suction device, a conveying device, a feeding device, a first support, a first roller shaft, a second support, a first motor and a second motor, the first support is movably installed on the frame through the supporting device, the first roller shaft is rotatably installed on the inner side wall of the first support, and multiple sets of air suction holes are formed in the outer side wall of the first roller shaft in a communicating mode; an air suction device is arranged on the frame and used for sucking air into the first roller shaft, the second support is rotationally installed on the outer side wall of the frame, and the first motor is installed at the top end of the frame. According to the water-blocking film rolling device, the convenience of automatically pasting and compounding the end part of a water-blocking film and the end part of non-woven fabric is improved, the convenience of automatically replacing a water-blocking film rolling roller shaft is improved, the labor intensity and complexity of manual operation of personnel are reduced, and the working efficiency is improved.

The utility model relates to the field of all-cotton non-woven fabrics, in particular to an all-cotton non-woven fabric compounding device which comprises a base used for supporting the all-cotton non-woven fabric compounding device. And the fixing frame is fixed to the left side of the upper portion of the base, the interiors of the fixing frame are rotationally connected with unwinding devices, the interiors of the fixing frame are rotationally connected with traction rollers, the rear two sides of the fixing frame are fixedly connected with connecting frames, and rubber pipes penetrate through the interiors of the connecting frames. According to the all-cotton non-woven fabric compounding device, by arranging the cooling mechanism, the cooling effect can be improved, when compounded all-cotton non-woven fabric enters the cooling box, cold water in the water tank is pumped out and enters the cooling pipe by turning on a circulating pump switch above the water tank, then two sets of fan switches inside the upper portion of the cooling box are turned on, and the cooling effect is improved. And the cold water is blown out of the cooling pipe, so that the temperature generated by the cold water in the cooling pipe is matched with the blown air to cool the surface of the compounded all-cotton non-woven fabric, and compared with traditional natural cooling, the cooling is more effective.

The invention provides a polymer bonded fiber, a preparation method and application. The polymer adhesive fiber is prepared from the following raw materials in parts by mass: 35 to 75 parts of a monomer A, 10 to 20 parts of a monomer B, 10 to 40 parts of a monomer C, 0.2 to 0.5 part of an initiator and 0.1 to 0.5 part of a molecular weight regulator, polymer bonding fibers are prepared through a free radical solution polymerization reaction, then the bonding fibers with high tensile strength and high porosity are obtained through a solvent exchange precipitation process, the bonding fibers can be subjected to composite molding with inorganic particles, the adsorption and locking effects between the inorganic particles and a fiber substrate are enhanced, and the bonding fibers are not prone to falling off; the novel non-woven fabric composite material which is firm in bonding, intact in pore channel and excellent in mechanical property is obtained, and can be used for developing light and breathable functional textiles, drug-loaded medical dressings and flexible conductive substrate materials.

The utility model belongs to the technical field of non-woven fabric composite processing, and particularly relates to a high-strength wear-resistant heat-insulation non-woven fabric composite device which comprises a base aiming at the efficiency problem. A first mounting frame is fixedly connected to one side of the upper surface of the base. A second mounting frame is fixedly connected to the upper surface of the base. A third mounting frame is fixedly connected to the other side of the upper surface of the base; the upper surface of the base is fixedly connected with a shell; a first guide roller is rotationally mounted on the upper side of the outer surface of one side of the first mounting frame. A second guide roller is rotationally mounted on the lower side of the outer surface of one side of the first mounting frame. A first gluing roller is rotationally mounted on the outer surface of one side of the first mounting frame; and a second gluing roller is rotationally mounted on the outer surface of one side of the first mounting frame. And through the arrangement of the first gluing roller and the second gluing roller, the non-woven fabric can be subjected to rapid composite processing, and the efficiency is improved.

The invention relates to the technical field of composite materials, in particular to a method for preparing a cool-feeling hole-cutting liquid surface layer material by emulsion electrostatic spinning, which comprises the following steps: by taking an emulsified polyurethane solution as a raw material, introducing hydrophobic modified xylitol and a soft component; the preparation method comprises the following steps: spraying and coating a non-woven fabric with an emulsion through electrostatic spinning of the emulsion to obtain a nanofiber non-woven fabric composite material, and then carrying out hydrophobic modification and fine punching treatment to prepare a punching liquid surface layer material with cool feeling, softness, low reverse osmosis, high fluid absorption speed and biodegradability. The material can be applied to the fields of high-end hygienic products, medical treatment, clothing, air filtration and the like, and has a wide application prospect.

The invention belongs to the technical field of electrical equipment, and particularly relates to a glass fiber composite capacitor bushing core and a preparation method thereof, the glass fiber composite capacitor bushing core comprises a central conductive tube, a composite material layer, a capacitor plate layer and a composite fiber layer; the composite material layer and the capacitor plate layer alternately coat the outer surface of the central conductive tube from inside to outside, and the outermost layer is the composite material layer; the composite material layer comprises a glass fiber cloth and polyester non-woven fabric composite structure; the capacitor plate layer is an aluminum foil; the aluminum foil is adopted to replace a traditional semi-conductive band to serve as a capacitor plate, so that the problem that carbon powder falls off is fundamentally solved; and in combination with a vacuum impregnation process, the epoxy resin is uniformly and compactly filled in the glass fiber cloth and polyester non-woven fabric composite layer, so that the insulating strength, the partial discharge voltage and the lightning impulse resistance of the product are remarkably improved.

The utility model provides a non-woven fabric composite processing stretching unit. According to the non-woven fabric combined processing stretching unit, a stretching box is fixedly connected to the top of a mounting frame, a first driving assembly is mounted at the position, close to one side, of the back face of the stretching box, a second driving shaft is arranged at one end of the first driving assembly, and a third driving assembly is mounted at the position, close to the other side, of the back face of the stretching box; and a first driving shaft is arranged at one end of the third driving assembly. According to the non-woven fabric combined processing stretching unit, the distance between the third driving shaft and the first driving shaft and the distance between the third driving shaft and the second driving shaft can be adjusted according to the size of non-woven fabric through the structure, so that the stretching box can stretch the non-woven fabric of different models or sizes; and meanwhile, through movement of the first driving shaft and the second driving shaft in opposite directions, the non-woven fabric can be stretched under the condition that conveying is not affected, and the stretching effect can be improved.

The invention discloses glass fiber woven roving composite felt surface defect detection equipment based on machine vision, and relates to the technical field of glass fiber fabric defect detection, and the glass fiber woven roving composite felt surface defect detection equipment comprises a machine body, an operation panel, a workbench, a high-definition camera assembly, a winding roller assembly, a temperature sensor, a laser displacement sensor and a detection analysis calculation assembly, the detection, analysis and calculation assembly comprises a data acquisition module, a data processing module, a calculation and analysis module and a judgment and feedback module, and the calculation and analysis module comprises a defect preliminary positioning unit, a feature analysis unit and a defect comprehensive judgment unit. According to the method, the grid intersection point offset density and confidence factor introduced by the defect preliminary positioning unit break through the limitation of gray energy, the local reflective polarization degree and variance introduced by the feature analysis unit break through the limitation of gray gradient, and the multiple features fused by the defect comprehensive judgment unit, so that the structural defect positioning precision is improved, and the accuracy of structural defect positioning is improved. And correlation evaluation of defect severity and material performance is realized.

The utility model provides a kind of non-woven fabric composite current collector tab welding structure, belong to composite current collector technical field, including tab, tab includes two metal layers, and the insulating layer between two metal layers, including plate, at least one metal quality convex strip is equipped on one plane of plate;Plate is attached on one of metal layer, and convex strip can be penetrated two metal layers and insulating layer, to make two metal layers can be realized electrically conductive by penetrating convex strip;The end portion after the convex strip penetrates tab is welded and fixed with soft connecting sheet, to form the electric connection passage of tab and soft connecting sheet;The utility model can reduce the material usage amount of metal foil, reduce the stacking number of tab welding area while reducing manufacturing cost, and directly reduce the welding frequency between material, significantly improve welding efficiency, while greatly reduce the risk of soldering point drop, further improve the long-term stability of tab and soft connecting sheet connection.

The invention discloses a water-recoverable composite material as well as a preparation method and a recovery method thereof. The composite material comprises a polysaccharide-based macromolecular thermoplastic material and a non-woven fabric composite material, wherein the water-recoverable polysaccharide-based thermoplastic material is used as a heat bonding layer and is compounded with paper or a non-woven fabric to prepare the non-woven fabric composite material; the paper-plastic-aluminum composite material is prepared by taking a water-recoverable polysaccharide-based thermoplastic material as a heat bonding layer and a hydrophobic layer and thermally bonding the heat bonding layer and the hydrophobic layer with paper and aluminum foil. According to the non-woven fabric / paper-plastic-aluminum composite material, complete separation of multiple components in the paper-plastic composite material can be achieved through a dilute-concentration aqueous alkali solution, specifically, the dilute-concentration aqueous alkali solution is adopted for soaking, washing and separation, finally, a small amount of an acid solution is dropwise added into the recycled dilute-concentration aqueous alkali solution, the polysaccharide-based thermoplastic material is settled, and the polysaccharide-based thermoplastic composite material is obtained. According to the method, the recovery process is simple, and industrialization of practical application and recovery of the paper-plastic composite material is easy to realize.

The invention discloses a three-layer combined protective garment with thermal protection performance, and relates to the technical field of fire-fighting protective equipment for firefighters, the three-layer combined protective garment comprises an outer layer, a waterproof breathable layer and a comfortable layer which are arranged in sequence, the outer layer is composed of double-layer woven fabric composed of an aramid 1313 staple fiber yarn surface layer and an aramid 1414 filament bottom layer, and the waterproof breathable layer is composed of a waterproof breathable layer and a comfortable layer. The waterproof breathable layer is formed by compounding a polyimide spunlaced non-woven fabric with a polytetrafluoroethylene film, and the comfortable layer is formed by blending aramid fibers, flame-retardant viscose fibers and antistatic fibers. The outer layer is connected with the aramid fiber double-layer fabric through the hexagonal structure, the waterproof breathable layer is made of the polyimide composite polytetrafluoroethylene film fabric, the comfortable layer is made of the aramid fiber and flame-retardant viscose blended fabric, the thermal protection performance is improved to be larger than or equal to 1475 kW.s / m < 2 >, the mass of a single fire extinguishing protective garment is 2.47 kg, and the purpose of light weight is achieved.

The invention provides a preparation method of a non-woven fabric reinforced zwitterionic functionalized polymer composite membrane. Specifically, firstly, an amine-terminated tertiary amine compound is grafted to polystyrene / maleic anhydride (SMA), an SMA grafted amphiphilic polymer containing a tertiary amine group is prepared through an amidation reaction, then the SMA grafted amphiphilic polymer and a high-molecular polymer are blended to prepare a membrane casting solution, then a non-woven fabric serves as a substrate, the membrane casting solution is scraped on the non-woven fabric, and the membrane is prepared. The preparation method comprises the following steps: preparing a polymer / non-woven fabric composite membrane with rich tertiary amine groups on the surface by adopting a non-solvent-induced phase inversion method, and finally, carrying out in-situ reaction on sultone and the tertiary amine groups to prepare the non-woven fabric reinforced zwitterionic functionalized polymer composite membrane with the membrane surface containing sulfonic acid anion groups and quaternary ammonium salt cation groups at the same time.

1. The name of the design product: hot rolling mill. 2. The use of the design product: hot rolling forming for spunbond meltblown process, or multi-layer non-woven fabric composite, or special material thickness finishing, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. The design for which protection is sought contains color. 6. The design product is not easy to see or not visible when in use, omit the top view.

The application provides a single-atom iron / triazographite@non-woven fabric composite material and a preparation method thereof. Single-atom iron in the single-atom iron / triazographite@non-woven fabric composite material is anchored on a triazographite@non-woven fabric carrier, and the valence of the single-atom iron is +3. The single-atom iron / triazographite@non-woven fabric composite material can be used as a whole catalyst to realize high-efficiency catalytic performance and automatic loading.

The application relates to the field of non-woven fabric manufacturing, and discloses a processing technology of high-toughness composite non-woven fabric.In the application, carbon fiber cloth is first subjected to acid immersion, so that the number of surface active groups is increased, the compatibility of the carbon fiber cloth surface with resin and other materials is improved, and the non-woven fabric / carbon fiber cloth system has better comprehensive performance utilization.The non-woven fabric is hot-pressed with the carbon fiber cloth fabric in the interval as an interlaminar toughening interlayer material to obtain a non-woven fabric / carbon fiber cloth composite material, and the carbon fiber cloth reinforced composite material has excellent performance, such as excellent easy-to-process performance, toughness and other advantages, low density, fatigue resistance and corrosion resistance, so that the non-woven fabric has higher toughness and mechanical performance, and a flexible unsaturated polyester is prepared;the carbon fiber cloth / non-woven fabric composite material is impregnated to obtain a composite material with higher toughness.

The present disclosure provides a preparation method of a reverse osmosis composite membrane, including the following steps: coating a gelatin solution on a non-woven fabric layer and cooling to form a gelatin gel layer; coating a salt solution on a surface of the gelatin gel layer to obtain a gel / non-woven fabric composite membrane; placing the gel / non-woven fabric composite membrane in an aqueous phase solution, transferring into an oil phase solution, and conducting interfacial polymerization to obtain a non-woven fabric / gel / polyamide composite membrane; placing the non-woven fabric / gel / polyamide composite membrane in water, and heating to remove the gelatin gel layer to obtain a non-woven fabric / polyamide composite membrane; and introducing a trimesoyl chloride (TMC) gas from a side where the non-woven fabric layer is away from a polyamide layer in the non-woven fabric / polyamide composite membrane, conducting gas-liquid interfacial polymerization by chemical vapor deposition (CVD), and drying to obtain the reverse osmosis composite membrane.

The application provides a preparation method of a non-woven fabric reinforced zwitterionic functionalized polymer composite membrane. Specifically, first, an amine-terminated tertiary amine compound is grafted onto polystyrene / maleic anhydride (SMA) to prepare a SMA grafted amphiphilic polymer containing a tertiary amine group through an amidation reaction, then the SMA grafted amphiphilic polymer is blended with a high molecular polymer to prepare a casting solution, then the casting solution is scraped on a non-woven fabric as a substrate to prepare a polymer / non-woven fabric composite membrane containing a rich tertiary amine group on the surface by using a non-solvent induced phase inversion method, and finally, a non-woven fabric reinforced zwitterionic functionalized polymer composite membrane containing sulfonic acid anion groups and quaternary ammonium salt cation groups on the surface of the membrane is prepared through in-situ reaction of a sulfolactone with the tertiary amine group.

The application relates to the field of packaging material manufacturing, in particular to a packaging material manufacturing process for a heating bag, which specifically comprises the following steps: coating and drying AC agent on a non-woven fabric composite surface; cooling the non-woven fabric composite surface, then performing a second base material film coating treatment, and pressing and cooling the second base material; hot sealing a third base material to the second base material to form a three-in-one fabric; and performing printing, anti-static agent coating and punching treatment on the three-in-one fabric, so that the non-woven fabric and the second base material can have better initial composite strength.

The invention relates to non-woven water-blocking tape composite production equipment and a production process, and relates to the technical field of non-woven fabric composite production, the non-woven water-blocking tape composite production equipment comprises an upper unwinding device for placing upper non-woven fabric, a lower unwinding device for placing lower non-woven fabric and a mounting rack, a bonding device, a feeding device, a pressing device and a compounding device are arranged on the mounting frame; the bonding device is used for coating the upper non-woven fabric and / or the lower non-woven fabric with a bonding agent; the feeding device is used for feeding the composite material onto the upper non-woven fabric and / or the lower non-woven fabric coated with the adhesive; the pressing device is used for pressing the upper non-woven fabric and the lower non-woven fabric; and the compounding device is used for carrying out hot-pressing compounding treatment on the laminated non-woven fabric. Through cooperation of all the components, composite production of the non-woven water-blocking tape can be completed, the whole production process is high in automation degree and low in manual intervention degree and manual output cost, and the production efficiency and the product quality of the non-woven water-blocking tape are improved.

The utility model discloses a high-toughness electronic packaging non-woven fabric composite layer structure, which belongs to the technical field of packaging non-woven fabrics, and adopts the technical scheme that the high-toughness electronic packaging non-woven fabric composite layer structure comprises a composite non-woven fabric, the composite non-woven fabric comprises a base layer non-woven fabric, and a buffer layer is arranged at the top of the base layer non-woven fabric. A protective layer is arranged on the side, away from the base layer non-woven fabric layer, of the buffer layer, and a protective layer is arranged at the bottom of the base layer non-woven fabric layer. The base layer non-woven fabric comprises a non-woven fabric main body layer, reinforcing layers are arranged at the top and the bottom of the non-woven fabric main body layer, connecting layers are arranged between the opposite sides of the reinforcing layers and the non-woven fabric main body layer, and aramid fibers and carbon fibers are arranged in the reinforcing layers. The base layer non-woven fabric has excellent tensile strength and tear resistance in all directions, and the overall toughness of the composite non-woven fabric can be remarkably improved, so that the stability and integrity of the composite non-woven fabric are improved.

The utility model discloses an environment-friendly degradable non-woven fabric, which relates to the technical field of non-woven fabrics and comprises a soft cotton cloth cover, a water absorption tissue, a fluff wood pulp layer, an SAP (super absorbent polymer) polyurethane layer, a paper pulp layer and a bottom film. High-strength and high-thickness water absorption is guaranteed on the bottom film through the SAP polyurethane layer and the paper pulp layer, the non-woven fabric after water absorption permeates to the trapezoidal blocks and the absorption core body through filling water return of the conical strip edges in the triangular grain face and the fan grain face, and finally the non-woven fabric is degraded and breaks and releases the trapezoidal blocks and the absorption core body through expansion and water absorption of the ball fasteners. The SAP polyurethane layer material can absorb water, the non-woven fabric polyurethane can be gradually degraded in the natural environment and finally decomposed into carbon dioxide and water, the influence on the environment is small, the water-absorbing tissue is made of wood pulp and can be degraded and recycled, and the effects that the non-woven fabric composite layer is combined and layered to different degrees, can be rapidly degraded and is environmentally friendly are achieved.

The utility model relates to the field of non - woven fabric processing discloses a non - woven fabric composite device, including base, the top fixedly connected with support frame of base, the right -hand member fixedly connected with first motor of support frame, the inner wall front and back both sides of support frame are all rotationally connected with guide roller, the right -hand member fixedly connected in the drive end of first motor of back guide roller, the left -hand member of two guide rollers is connected through the belt, the inside rotation of support frame has connecting rod, the left -hand member fixedly connected with first gear of connecting rod, the outer wall of first gear is provided with moving assembly, first gear lets the displacement of glue storage box through moving assembly, the front fixedly connected with extrusion bin of support frame. In the utility model, through moving assembly, make the device accurate adjustment according to the thickness of non - woven fabric flexibly, ensure that the glue roller and non - woven fabric always keep optimum clearance between, thereby realize even glue solution coating.

The application provides a core-shell structure polyimide (PI) flame-retardant base film, a preparation method thereof and application thereof in in-situ solid-state batteries. The preparation method mainly comprises the following steps: dissolving polyamide acid (PAA) in an organic solvent to serve as a spinning solution of a shell layer; dissolving the polyamide acid in an organic solvent and adding high-temperature-resistant flame retardants and a silane coupling agent to serve as a spinning solution of a core layer, wherein the flame retardants are preferably high-temperature-resistant melamine polyphosphate (MPP) and magnesium hydroxide (Mg(OH)2). A light yellow non-woven fabric film is obtained through coaxial electrospinning, and then the non-woven fabric film is calcined in an air atmosphere at 250-340 DEG C to obtain a core-shell structure polyimide flame-retardant base film, which is a PI non-woven fabric composite film. The prepared PI composite film has a flame-retardant function, the flame retardants are in the core layer, and the electrochemical performance of the battery is not affected. Furthermore, since the PI has radiation resistance, the flame-retardant base film can be applied to chemical power systems such as gamma-ray in-situ solid-state lithium ion batteries.

The utility model relates to the technical field of non-woven fabric composite winding, in particular to a winding device for non-woven fabric production. The first unwinding roller is provided with a first non-woven fabric roll material; the second unwinding roller is provided with an elastic cloth roll material; the winding roller is used for winding the first non-woven fabric and the elastic fabric; the first dispensing mechanism is used for gluing the surface of the elastic cloth; the molding roller is arranged between the second unwinding roller and the winding roller, and a plurality of first annular grooves are formed in the molding roller in the axial direction of the molding roller; the abutting roller is used for acting with the molding roller to extrude the first non-woven fabric and the elastic fabric together; the plurality of first bending parts are used for bending the non-woven fabrics into the corresponding first annular grooves; the driving mechanism is connected with the first unwinding roller, the second unwinding roller, the winding roller, the molding roller and the abutting roller. The winding device for non-woven fabric production aims at solving the problems that in the prior art, composite non-woven fabric is prone to generating local stress concentration, and bonding points are prone to losing efficacy.

The utility model discloses non-woven fabric solvent-free compounding equipment, which relates to the technical field of non-woven fabric compounding, and comprises a mounting bracket, a first emptying roller and a second emptying roller are respectively arranged on the left side and the right side of the mounting bracket, and a receiving roller is fixedly connected on the surface of the mounting bracket between the first emptying roller and the second emptying roller. An electric push rod is mounted through a mounting frame, a mounting plate and an upper extrusion roller are driven by the electric push rod to move, the distance between the upper extrusion roller and a lower extrusion roller is changed, non-woven fabrics with different thicknesses are compounded, the coating thickness of a solvent-free adhesive is adjusted, and use is convenient. And the coating thickness of the solvent-free adhesive is adjusted by changing the distance between the upper extrusion roller and the lower extrusion roller. The spacing of the limiting plates is adjusted according to different widths of the non-woven fabrics, and after the limiting plates are adjusted to required positions, the locking bolts are rotated to fix the limiting plates on the surface of the glue spreading roller, so that the non-woven fabrics are limited.