197 results about "Heat press" patented technology

The invention discloses a preparation method of a high-temperature-resistant high-strength polyimide composite material, and relates to the technical field of polyimide composites.The preparation method comprises the following preparation steps that S1, a customized silane coupling agent is prepared; s2, preparing a bionic dynamic interface modified reinforcing filler, wherein the modified reinforcing filler is synergistically modified through a bionic coating and a customized silane coupling agent; and S3, preparing a polyimide precursor solution containing the dynamic network. According to the preparation method of the high-temperature-resistant high-strength polyimide composite material, through the integrated design of'customized silane coupling agent + bionic dynamic interface modification + dynamic network-containing polyimide precursor + gradient hot-pressing curing ', the glass-transition temperature of the prepared composite material is greater than or equal to 335 DEG C, the tensile strength is greater than or equal to 208 MPa, and meanwhile, the thermal repair efficiency at 180-250 DEG C is greater than or equal to 87%; the technical bottleneck that high temperature resistance, mechanical strength and repairing performance of the material are difficult to consider at the same time in the prior art is solved.

The invention discloses an annular continuous heat sealing device which comprises a rack, a main conveying belt used for conveying workpieces to be subjected to hot pressing and a conveying driving device used for driving the main conveying belt to operate are arranged on the rack, a vertical plate is arranged above the main conveying belt, and an annular rail is arranged on the periphery of the vertical plate. The annular track comprises a lower straight line section, a left semicircular section, an upper straight line section and a right semicircular section which are connected in sequence; a plurality of sliding block assemblies are connected to the annular rail in a sliding mode, the sliding block assemblies are provided with hot pressing devices capable of conducting hot pressing on workpieces on the main conveying belt when the sliding block assemblies operate to the lower straight line segment, and a main driving device used for driving the sliding block assemblies to slide along the annular rail is arranged between the sliding block assemblies and the vertical plate. A conductive structure used for supplying power to the hot pressing device is further arranged between the sliding block assembly and the annular rail. The heat sealing device has the advantage of being capable of achieving continuous, high-speed, efficient and stable heat sealing.

The application provides a heating and pressing device and an operation method thereof. The device comprises a substrate with a loading area, an operation window is opened on the loading area, a secondary material positioning mechanism is arranged at the operation window, a primary material positioning mechanism is arranged on the side of the loading area, a top suction assembly is arranged below the loading area, a heat pressing area is formed between the top suction assembly and the secondary material positioning mechanism, a heating and pressing mechanism is arranged on one side of the heat pressing area, the heating and pressing mechanism comprises a moving assembly, a downward pressing and heating assembly and a side pressing and heating assembly are connected to the moving assembly, the downward pressing and heating assembly is arranged above the heat pressing area, and the side pressing and heating assembly is arranged on the side of the heat pressing area. The X and Y direction pushing and pressing structure is matched with the suction and positioning structure to ensure the close contact and position accuracy of small parts and products, improve the assembly effect, optimize the product quality, improve the product yield, and increase the economic benefits. The flexible material is used for pressing and heating, so that the elastic buffer pressure is provided, and the product surface is protected.

The invention discloses a water-based paint composition of a fingerprint-resistant color coated steel plate and a preparation method of the water-based paint composition, and relates to the technical field of fingerprint-resistant coating materials and functional water-based paint compositions.The water-based paint composition comprises a functional paint composition system composed of water-based film-forming resin and a poor-polarity block type surface conditioning agent; the water-based coating composition is applied to the surface of a metal base material in a roller coating, spraying or blade coating mode, and the oriented migration behavior of an oleophobic chain segment is excited through heat treatment; and the coated steel plate is dried and cured, preferably, a hot air drying or hot-pressing crosslinking mode is adopted, and an oleophobic film layer is prepared on the surface. The method provided by the invention ensures that the system has stable dispersibility and migration responsiveness, realizes spontaneous construction of an oleophobic structure, improves the interface specificity of a film layer, and improves the hydrophobicity and fingerprint pollution resistance of the surface of the steel plate, so that the colored coating has both decoration and functionality, and is suitable for being used in the field of steel plates. The double requirements on appearance stability and anti-pollution performance in practical application are met.

The invention provides a perovskite pseudo-single crystal thin film and a preparation method thereof. The preparation method comprises the following steps: (1) preparing a perovskite polycrystalline thin film on a hydrophilic substrate; (2) pressing a hydrophobic substrate on the perovskite polycrystalline thin film to obtain a sandwich structure; (3) performing hot-pressing annealing treatment on the sandwich structure; and (4) after hot-pressing annealing treatment, removing the hydrophilic substrate and the hydrophobic substrate to obtain the perovskite pseudo-single crystal film. On the basis of the hot pressing technology, full diffusion, dissolution and recrystallization of crystal grains are promoted, the perovskite quasi-single crystal thin film with large crystal grains, low defects and high orientation is formed, and the method is suitable for various perovskite materials, simple in process, good in repeatability and capable of meeting the actual requirements of novel photoelectric devices.

Disclosed are a food heating mat and a production process thereof. A silica gel plate provided with a first U-shaped groove is formed by heat press molding and vulcanization, a heating wire is pressed into the first U-shaped groove, a limiting section of the first U-shaped groove is capable of preventing the heating wire from easily detaching therefrom, and then glue is injected for fixing. The food heating mat is structurally simple and features a high yield rate despite of a simple production process.

The invention relates to the technical field of energy storage materials, and provides a composite solid polymer electrolyte membrane and a preparation method thereof.The composite solid polymer electrolyte membrane is prepared through the steps that a polymer matrix serves as a matrix, a polar solvent is adopted for dissolving to form a pure polymer solution, then lithium salt and nematic phase liquid crystal E7 are added, a chiral dopant can also be added, uniform printing slurry is formed, and the composite solid polymer electrolyte membrane is obtained through 3D printing. And carrying out hot pressing treatment to prepare the composite solid polymer electrolyte membrane. The electrolyte membrane prepared by the invention has a controllable porous structure, a high dielectric constant and excellent piezoelectricity and energy storage performance, complex structures such as a three-dimensional grid and a porous structure can be directly printed, and the thickness and shape of the membrane can be accurately controlled by adjusting parameters such as a printing path, a layer height and filling density; the method is very suitable for the requirements of rapid customization of product shapes and sizes in the fields of flexible electronics, wearable equipment and the like. The invention also provides an application of the composite solid polymer electrolyte membrane prepared by the method in an energy storage device.

The utility model discloses a composite material continuous compression molding machine which comprises an upper traction system, an upper mold, a lower mold, a pressure applying mechanism, a lower traction system and a supporting mechanism, and a hot pressing area I, a hot pressing area II and a hot pressing area III which are continuously and independently regulated and controlled are arranged between the pressure applying mechanism and the supporting mechanism. An upper / lower traction system is adopted to drive an upper / lower die to move, and an assembly line working mode of heating and pressing integrated forming is adopted, and the pressure, temperature and time needed by the composite material in the die are accurately controlled in a hot pressing interval. The continuous compression molding machine for the composite material is reasonable in structural layout, and batch and automation of an assembly line operation mode are realized; a continuous and independently regulated hot pressing interval is set, process parameters in the mold pressing process are accurately controlled, the temperature and pressure of mold pressing forming are guaranteed, and the mold pressing forming quality is stable; the mold and the conveying belt in the composite material continuous mold pressing forming machine are made of metal materials, heat conduction performance is good, temperature rise is fast, and reliability is high.

This disclosure provides a portable lamp worn on the head and method of construction for the portable lamp. The construction method forms a composite structure that improves the comfort, reduces the volume, and better distributes the weight of the components of the lamp. The method of construction allows for a flexible material or set of flexible materials to be used to encapsulate the rigid parts of the headlamp. The flexible and rigid materials can be joined together in a heat press process that results in a single composite structure that has both attributes of the rigid material(s) and the flexible material(s) in different areas of the lamp. The battery can be located at the back or otherwise remote from the light to improve weight distribution and comfort for the user.

The invention discloses a heating press-fit unit for cloth and film fabric composite pattern making production, and relates to the technical field of heating press-fit units for cloth and film fabric composite pattern making production, the heating press-fit unit comprises a support, a guide roller, two pressure applying rollers and two raising rollers, and the support is provided with a heating mechanism. The heating press-fit unit for cloth and film fabric composite pattern making production has the multiple effects of heating, temperature control, height control and threading, full-coverage heating on the two faces of the cloth and film fabric can be effectively achieved, the heating temperature and the height of the heating plate are controllable, and the production efficiency is improved. The problems that when a traditional unit is used, temperature is abnormal, and fabric is damaged by high temperature in the installation process of cloth and film fabric are solved, and the buckle frame and the buckle base are combined and limited by the guide groove, so that installation of the cloth and film fabric is more convenient and safer.

This invention relates to a method for preventing down leakage from seams in down jackets, comprising the following steps: Step 1: Cutting out inner and outer layer fabrics, laying the down-proof component flat between the inner and outer layer fabrics, and sewing the inner layer fabric, down-proof component, and outer layer fabric together using sewing equipment, leaving a down filling opening; Step 2: Injecting adhesive into the down-proof component through an adhesive delivery component, allowing the adhesive to diffuse onto the outer wall of the down-proof component, performing heat pressing and shaping using a hot pressing device, and then introducing low-temperature gas into the heat-pressed down-proof component through a cooling component. This invention uses the down-proof component to seal the seams. The method of bonding the down-proof component to the inner and outer layer fabrics with adhesive, compared to directly bonding the inner and outer layer fabrics with adhesive, results in an adhesive layer that is less prone to detachment, achieving a more durable down-proof and leak-proof effect.

The utility model discloses an adjustable heat-sealing pressure device of a vacuum packaging machine, which relates to the technical field of vacuum packaging machines and comprises a positioning frame, a power motor is mounted on the outer wall of the positioning frame, a telescopic rod is mounted on the outer wall of the power motor, a fixing plate is mounted on the outer wall of the telescopic rod, an adjusting rod is mounted on the inner wall of the fixing plate, and the adjusting rod is mounted on the outer wall of the positioning frame. An adjusting sleeve is installed on the outer wall of the adjusting rod, a jacking spring is installed on the outer wall of the adjusting rod, and a sliding sleeve is installed on the side wall of the fixing plate. Through the arrangement of the fixing plate, the adjusting rod, the adjusting sleeve, the jacking spring and the pressing plate, the distance between the pressing plate and the fixing plate is adjusted by rotating the adjusting sleeve and the adjusting rod for threaded adjustment, so that the jacking spring is adjusted, the pre-tightening force of the jacking spring is limited by controlling the stretching and retracting of the jacking spring, and the pressing effect is improved. The heat-sealing pressure of the packaging materials is adjusted, and the hot-pressing requirements of the packaging materials of different materials or thicknesses are met.

The invention relates to the technical field of garment production, in particular to a pre-ironing forming device for sewing a rear pocket mouth, which comprises a lower die holder, a forming table is arranged on the lower die holder, a replaceable plastic block is arranged on the forming table, an upper die block is arranged above the lower die holder, and the upper die block and the lower die holder are used for performing hot-pressing shaping on fabric. The plastic block can be rapidly replaced, the clamping assembly is matched with the pushing spring and other structures, adaptation of different bag opening shapes can be completed without replacing the whole lower die base, the model changing time is greatly shortened, and the operation complexity is reduced; automatic feeding and discharging are achieved, the automatic material taking mechanism stably grabs the fabric through a clamping roller structure of a material taking part, and precise positioning is achieved by matching angle adjustment of a rotating ring and movement of a movable base, manual intervention is reduced, and the shaping precision is improved.

The application discloses a kind of preparation systems of carbon nanotube reinforced metal matrix composite, it is related to the preparation technical field of carbon nanometer metal material, system includes including carbon nanotube preparation unit, carbon nanotube preparation unit connects mixer, multiple feed pipes are connected on mixer, multiple hole distribution plates are connected in mixer, rotary feeder is connected at the discharge port of mixer bottom, rotary feeder connects venturi tube, venturi tube connects material dispersion unit, material dispersion unit connects material melting unit, material melting unit is connected with for the spray gun that molten mixed material is sprayed to conveying belt, conveying belt connects mechanical tablet press, mechanical tablet press connects heat treatment furnace.The system realizes the accurate control of reinforcing phase morphology and dispersity, solves the technical problems of material interface combination and densification;And through the design of heat pressing setting unit, the comprehensive performance and production efficiency of material are significantly improved.

The present application relates to the field of plastic sheet packaging, especially to a kind of plastic sheet automatic counting and bagging device, including loading box and electric slicer etc.A kind of plastic sheet automatic counting and bagging device of the present application, electric hoist is automatically sent into electric slicer in batches with plastic sheet, and electric slicer is transmitted to inclined positioning table on electric conveyor one by one with plastic sheet, and plastic sheet is sequentially loaded into bag along discharge cylinder by electric lifting push rod control pressing plate, to complete automatic bagging work, additionally, electric heating module, suction pipe valve and air blowing pipe valve are further provided on the pressing plate, to cooperate with the support slide on inclined positioning table, to carry out heat pressing flat processing and heat setting processing on plastic sheet piece in turn, to improve plastic sheet bagging efficiency and bagging neat effect, to solve the technical problems that plastic sheet needs to rely on manual corresponding counting and bagging work, and manual bagging processing cannot guarantee overall appearance.

The utility model discloses an automatic pyrography machine which comprises a machine frame, a pyrography table driven by a lifting mechanism to ascend and descend is arranged on the machine frame, a conveying belt for circulating conveying is arranged on the machine frame, a plurality of material carrying devices comprising material carrying plates are evenly distributed on the conveying belt, the conveying belt conducts intermittent conveying, the material carrying devices sequentially stay below the pyrography table, and the material carrying plates are arranged on the conveying belt. And when the material carrying device stays below the pyrography table, a material carrying plate of the material carrying device is aligned with the pyrography table. According to the automatic heat press machine, fabric to be subjected to transfer printing and printing paper are placed on the material carrying plate and then are subjected to automatic heating transfer printing and output, and the production efficiency is improved.

This utility model discloses a two-roller double-layer structure heat-pressing machine, including a frame assembly comprising parallel frames A and B, and further including a support assembly, a guide roller assembly, a heat-pressing roller assembly, a traction roller assembly, a fabric support frame assembly, a corner wrapping roller assembly, and a fabric spreading roller assembly. This two-roller double-layer structure heat-pressing machine effectively solves the problems of heat-pressing the front and back sides of fabrics and the style of the pile surface, contributing to the promotion and application of new processes and products for pile fabrics. The two-roller double-layer structure heat-pressing machine is more efficient and intelligent, facilitating combined heat-pressing and combing, effectively solving the problem of difficult heat-pressing of the front and back pile surfaces of fabrics, greatly shortening the production process, reducing processes, and improving efficiency. The heat-pressing roller adopts an upper and lower structure design, facilitating the observation and inspection of the pile quality during production. The reasonable fabric feeding method is beneficial for heat-pressing the front and back sides of pile fabrics, solving the problem of combined heat-pressing and combing of the front and back sides.

The invention relates to an object with a heat pressed graphic, a surface of the object is provided with a fine graphic, and a surface of the graphic has materials. The graphic is a graphic formed by cutting a hot melt glue layer and heat pressed and adhered to the surface of the object; a transfer material is heat pressed and adhered to the graphic according to a shape and a contour of the graphic. The object has the transfer material on the graphic, and a shape of the transfer material is consistent with a shape formed by the hot melt glue layer.

The invention provides a hot-pressing transfer printing roller, relates to the technical field of transfer printing rollers, and aims to at least solve the problem of how to consider both the temperature uniformity and the pressure uniformity of the hot-pressing transfer printing roller in the transfer printing process. The hot-pressing transfer printing roller comprises a supporting roller, a heating piece, a first heat conduction layer and a flexible rolling layer, the heating piece is arranged on the supporting roller and used for heating the supporting roller, the first heat conduction layer is arranged around the supporting roller in the circumferential direction of the supporting roller, and the flexible rolling layer is arranged around the first heat conduction layer in the circumferential direction of the supporting roller. The first heat conduction layer comprises a plurality of first heat conduction particles and a first flexible structure wrapping the first heat conduction particles, the first heat conduction particles are evenly distributed in the circumferential direction of the supporting roller, and the first flexible structure is arranged around the supporting roller.

The application relates to the technical field of electric machines, in particular to a high-speed three-phase hollow cup electric machine and a manufacturing method thereof. The technical scheme is as follows: the electric machine comprises a motor shell, a coil support, three-phase hollow cup coils, a magnetic ring rotor and a rotating shaft, the three-phase hollow cup coils are made of three groups of flattened coils arranged in an equidistant circumferential array in a cross-laminated manner, wherein each group of flattened coils is made by flattening a coil wound in an odd number of layers, and after heat pressing and rounding, each group of flattened coils is wound into one turn, and the coil wire heads at the two ends are twisted together. The beneficial effect is that the three-phase hollow cup coils are obtained by adopting three groups of coils wound in an odd number of layers (preferably five layers) in a cross-laminated manner for rounding and shaping, the thickness of the hollow cup coils can be effectively improved, high-voltage, high-frequency and high-power control operation of the hollow cup coils is realized, the rotating speed and the power of the hollow cup electric machine are effectively improved, the weight is reduced under the same power, and the power density of the electric machine is improved by more than 30%.

The present invention provides a ceramic composition capable of suppressing chipping during barrel polishing, cracks during heat press bonding, plating extension, and high specific resistance. The ceramic composition of the present invention contains Fe, Cu, Zn, Ni, Mn, Nb, and V, and when Fe, Cu, Zn, and Ni are converted into Fe2O3, CuO, ZnO, and NiO, respectively, and the total amount of Fe2O3, CuO, ZnO, and NiO is set to 100 mol%, Fe converted into Fe2O3 is contained in an amount of 46.70 mol% to 49.70 mol%, Cu converted into CuO is contained in an amount of 4.00 mol% to 7.50 mol%, Zn converted into ZnO is contained in an amount of 7.00 mol% to 33.50 mol%, and the remaining portion is Ni, Mn converted into Mn2O3 is contained in an amount of 300 ppm to 10,000 ppm, Nb converted into Nb2O5 is contained in an amount of 2 ppm to 30 ppm, and V converted into V2O5 is contained in an amount of 10 ppm to 60 ppm, with respect to 100 parts by weight of the total amount of Fe2O3, CuO, ZnO, and NiO.

The application relates to a double-effect carbon sandwich cloth with a regeneration function for an air purifier and a preparation method thereof, and comprises the following steps: S1, uniformly mixing TiO2, K2CO3 and La(NO3)3, impregnating the mixture in a metal acid solution after calcination, taking out and drying and activating to obtain a heat releasing material; S2, ball milling the heat releasing material obtained in S1 until uniform, and adding a dispersing agent to obtain a heat releasing material spraying liquid; S3, spraying the heat releasing material spraying liquid obtained in S2 on one side of polyester non-woven fabric for multiple times to obtain a heat releasing skeleton layer; and S4, sequentially laying a first hot melt adhesive net film, a first activated carbon layer and a second hot melt adhesive net film on the non-sprayed surface of the heat releasing skeleton layer obtained in S3, heat pressing and fixing, sequentially laying a second activated carbon layer, a third hot melt adhesive net film and a melt-blown cloth, heat pressing and forming to obtain the double-effect carbon sandwich cloth with the regeneration function for the air purifier. Compared with the prior art, the application provides a filter material with a regeneration function, prolongs the service life of the filter and reduces the cost of users.

The invention provides a process method for realizing one-time gold stamping and thermal transfer printing. The process method comprises the following steps: simultaneously filling hot melt adhesive ink and sublimation ink into a multi-nozzle ink-jet printer; simultaneously printing the hot melt adhesive ink and the sublimation ink on a gold stamping transfer printing film according to a set pattern; performing drying treatment; the dried gold stamping transfer printing film is attached to the fabric, and hot pressing treatment is carried out; and after cooling, removing the part, which is not adhered to the fabric, of the gold stamping transfer printing film, so as to obtain the colored printed fabric with the gold stamping effect. Wherein the sublimation ink contains one of a styrene-maleic anhydride copolymer, an acrylic polymer and acrylic modified resin, and the hot melt adhesive ink contains at least one of water-based hot melt type poly-carbon polyurethane, water-based hot melt type polyether polyurethane and water-based hot melt type acrylic resin. The whole technological process is completed at a time, the efficiency is higher, and mutual permeation of hot melt adhesive ink and sublimation ink during simultaneous printing is avoided.

The application provides a preparation method of high-quality regenerated leather from leather waste, comprising the following steps: (1) dispersing leather waste in an aqueous solution to prepare a leather fiber solution, wherein the concentration of the leather fiber solution is 0.05%-0.5%; (2) adding a chemical reagent PAM or CPAM into the leather fiber solution and stirring uniformly, wherein the amount of the chemical reagent is 0.1-5 wt%; (3) dehydrating and forming the leather fiber solution to prepare a wet-state regenerated leather; and (4) performing heat pressing and drying treatment on the wet-state regenerated leather to prepare a high-strength regenerated leather. The preparation method has simple preparation process and less process flow, and can prepare the high-performance regenerated leather with high strength and good uniformity, fully utilizes a large amount of leather waste, effectively reduces the waste of resources, and has wide application prospect.

To provide a heat-pressing machine capable of appropriately performing a thermal transfer process. A heat-pressing machine includes: a base member on which a transfer object and a thermal transfer sheet are placed, a rotating member that is attached to the base member via a rotating shaft, and a pressing member that rotates together with the rotating member to press the base member. The base member includes a base body and a placement plate movably attached to the base body. The pressing member includes a pressing body movably attached to the rotating member, and a heater unit. When the rotating member rotates relative to the base member, the pressing member presses the base member while the heater unit faces the placement plate. The placement plate and the pressing body are movable so that a placement surface of the placement plate and a heater surface of the heater unit are aligned.

A heat press dual-zone temperature control system includes a first plate including an internal heating element and a first temperature sensor and a second plate including an internal heating element and a second temperature sensor. The first plate is arranged adjacent and parallel with the second plate. A controller is configured to provide temperature control, including controlling a temperature of the first plate to a first setpoint based on information from the first temperature sensor, and independently controlling a temperature of the second plate to a second setpoint based on information from the second temperature sensor. A user interface is communicatively coupled with the controller. The user interface includes a first zone configured to receive user input for the first plate and to display information about the first plate, and a second zone configured to receive user input for the second plate and to display information about the second plate.

The utility model discloses a cloth embossing forming device, and relates to the field of cloth processing. The hot pressing mechanism is rotationally arranged on the supporting frame; the cooling and cleaning mechanism is arranged on one side of the supporting frame; wherein the cooling and cleaning mechanism comprises a support, the support is provided with a fixing block, a pressing block is arranged above the fixing block in a lifting mode, in the actual operation of the embossing machine, the fixing block and the pressing block can support and fix cloth obtained after embossing, the cloth is prevented from falling off in the follow-up rolling process, and therefore the cloth is not prone to falling off. Meanwhile, when the fixing block and the pressing block oppositely extrude the cloth, high-pressure cold air is input into the input port, wind power is discharged to the cloth from the ventilation groove, the hot-pressed cloth can be cooled, the temperature of the cloth can be rapidly reduced, and the effect of rapid shaping is achieved.

The present application relates to the leather processing technical field, specifically to a kind of processing technology for improving leather luggage easy to crack, comprising the following steps: S1: selecting raw leather, preliminary treatment is carried out to remove surface impurities, and adjust moisture content;S2: the leather after S1 processing is soaked in natural plant oil solution;S3: the leather after soaking is treated with sound wave;S4: heat pressing treatment is carried out, and the gap between leather fibers is sealed;S5: the leather after heat pressing treatment is cooled and cured;S6: using nanoscale filler, the leather after curing is filled;S7: the leather after filling is treated with final surface coating, and protective layer is formed.The present application, by comprehensive treatment method, significantly improves the flexibility, waterproofness, pressure resistance and crack resistance of leather, while using environmentally friendly materials to optimize cost, effectively prolongs the service life of leather products and reduces environmental impact.

This invention relates to a one-way moisture-wicking antibacterial composite fabric and sportswear, comprising a flat layer and a wave-shaped layer. The flat layer includes an outer fabric formed by heat pressing together and an elastic layer. The wave-shaped layer includes an antibacterial layer and a water-absorbing layer formed by heat pressing together. This composite fabric absorbs sweat into the water-absorbing layer through a hydrophilic gradient and wicks away sweat by creating airflow within airflow channels. Because the wave-shaped cross-section allows air to circulate both inside and outside the wave-shaped layer, when used for outdoor sports such as running and cycling, the fabric guides airflow into the airflow channels through air convection, evaporating sweat from the surface of the water-absorbing layer. The dirt carried by the sweat remains on the surface of the water-absorbing layer, without affecting the appearance of the outer fabric. Furthermore, the outer fabric can be made of a hydrophobic material, significantly improving its stain resistance.

The invention relates to a composite material film three-in-one thermal laminating device, and relates to the technical field of composite film production, the composite material film three-in-one thermal laminating device comprises a first layer film, a second layer film and a middle film, the upper surface of the first layer film and the lower surface of the second layer film are respectively provided with a circulating laminating outer film used for contact protection, and the circulating laminating outer film can be recycled. According to the application, the circulating laminating outer film made of a polytetrafluoroethylene (PTFE) material is introduced as a physical isolation layer and covers between the film and the hot pressing roller, so that the non-laminating surface of the film is prevented from being in direct contact with the hot pressing roller, and impurities (such as residual colloidal particles and dust) can be prevented from being adhered to the surface of the hot pressing roller; the defects of concave-convex surface, scratches and the like of the composite film caused by roll surface pollution are fundamentally eliminated, and meanwhile, the PTFE film has the characteristics of high heat resistance (less than or equal to 260 DEG C) and low surface energy, so that the PTFE film is not easy to adhere impurities and can be repeatedly used, and the flatness and the yield of the finished film are remarkably improved.