145 results about "Glass composites" patented technology

The invention relates to the technical field of glass, in particular to an alkali-free aluminoborosilicate glass composite clarifying agent and a clarifying method thereof. The alkali-free aluminoborosilicate glass composite clarifying agent is prepared from the following raw materials in percentage by mass on the basis of the total mass of alkali-free aluminoborosilicate glass: 0.4 to 5.5 percent of halogen alkaline earth metal salt, 0.03 to 0.4 percent of lanthanum oxide, 0.01 to 0.4 percent of tin dioxide and 0.01 to 0.3 percent of cerium dioxide. The alkali-free aluminoborosilicate glass composite clarifying agent is applied to alkali-free aluminoborosilicate glass, and the problems that the alkali-free aluminoborosilicate glass is poor in clarifying effect and has many bubble defects are solved; the corrosion of high-temperature molten glass to refractory materials at parts such as a tank furnace and the like is reduced, so that the number of stone defects of the refractory materials in the glass is reduced, and the service life of the refractory materials of the furnace is prolonged.

A glass composite includes a first glass member and a second glass member. The first glass member and the second glass member are at least partially connected with each other at the surfaces; and the glass composite has a light transmittance not lower than 95% of the light transmittance of the one, with the lower light transmittance, of the first glass member and the second glass member.

The invention discloses a wind noise prevention and shock absorption special glass composite structure and a manufacturing process, and the wind noise prevention and shock absorption special glass composite structure comprises two outermost tempered glass bodies, a plurality of grooves, a honeycomb-shaped inner sandwich, a shape memory alloy frame body I and a shape memory alloy frame body II, first clamping cavities are formed between the first shape memory alloy frame body and the buffering parts and between the second shape memory alloy frame body and the buffering parts, second clamping cavities are formed between the two buffering parts and the adjacent reinforcing bodies, and third clamping cavities are formed between the two reinforcing bodies and the adjacent laminated glass layers; various materials and structures of the outermost tempered glass body, the laminated glass layer, the buffer part, the reinforcing body, the honeycomb inner sandwich and the shape memory alloy frame body are compounded to form a multi-layer synergistic wind noise prevention and shock absorption system, and the wind noise prevention and shock absorption performance is remarkably improved due to the special shapes and distribution of the second clamping cavity, the third clamping cavity, the through concave body and the elastic pressing body.

The invention belongs to the technical field of preparation of refractory materials, and particularly relates to a method for preparing a mullite-high silica glass multiphase material from hard clay. The preparation method comprises the following steps: (1) mixing hard clay, yellow jade, molybdenum tailings and lepidolite lithium slag to obtain a mixture, and then performing crushing and classified screening to prepare mixture granules with different particle sizes; (2) uniformly mixing the mixed particles with different particle sizes, adding a mixture of sodium dihydrogen phosphate dihydrate, yttrium oxide and tungsten trioxide, and grinding to obtain powder; (3) pressing into a green body and drying; and (4) sintering to prepare the mullite-high silica glass multiphase material. The mullite-high silica glass multiphase material prepared by the method disclosed by the invention has excellent refractoriness and relatively low thermal expansion coefficient.

The invention belongs to the technical field of electronic ceramic substrate materials, and particularly relates to a preparation method of a microcrystalline glass composite silicon nitride ceramic substrate, which is prepared from the following raw materials: 1-5% of alpha-phase silicon nitride powder, 86-95% of beta-phase silicon nitride powder, 0.2-3% of metal silicon powder, 2.5-8% of glass powder and 1.3-8% of metal oxide. The preparation method comprises the following steps: S1, mixing and grinding raw materials to obtain ceramic slurry; s2, adding Arabic gum into the ceramic slurry as a binder, and carrying out spray granulation; granulation powder is obtained; s3, carrying out dry pressing molding and cold isostatic pressing treatment on the granulation powder to prepare a ceramic plate blank; and S4, sintering and crystallizing the ceramic plate blank. According to the invention, the glass ceramic powder is introduced as a sintering aid and a second phase, and the sintering temperature of the silicon nitride is obviously reduced from the conventional temperature of more than 1800 DEG C to 1500 DEG C by utilizing the liquid phase effect of the glass ceramic powder in the sintering process, so that two modes of air pressure sintering and normal pressure sintering can be used, and the energy consumption and the requirements on equipment are reduced.

The invention belongs to the field of film preparation, and particularly relates to an MOF crystal-glass composite film and a preparation method and application thereof. The invention provides an MOF (Metal Organic Framework) crystal-glass composite film for gas separation as well as a preparation method and application of the MOF crystal-glass composite film, aiming at overcoming the defects in the prior art, including the problems of high preparation cost, poorer mechanical property, grain boundary defects and the like of a traditional MOF film. According to the technical scheme provided by the invention, a unique MOF crystal-glass composite structure is introduced, so that efficient gas separation performance is realized, and meanwhile, the preparation complexity and cost are remarkably reduced.

The present invention discloses a low-temperature co-fired ceramic / glass composite material and its preparation method and application, belonging to the technical field of ceramic materials. The present invention uses aluminum oxide (Al2O3) as a ceramic phase, CaO-B2O3-SiO2 (CBS) and zinc-boron glass as a glass phase, and adds K2O, CuO, and Nb2O5. When the low-temperature co-fired ceramic / glass composite material is used to prepare microelectronic components, its firing temperature can be reduced to 800°C to 850°C, and the dielectric constant can be reduced to 7.0-8.5, and the dielectric loss can be reduced to 0.3×10 ‑3 ~0.7×10 ‑3 (1MHz).

The invention discloses a novel method for preparing hollow silicon dioxide composite microspheres by a hard template method. The preparation method comprises the following steps: carrying out hydroxylation treatment and modification on hollow glass microspheres (Hollow glass microspheres, HGM), uniformly coating the surfaces of the microspheres with SiO2, and carrying out densification treatment, so as to form the HGM-coated SiO2 hollow composite microspheres with high heat resistance and low density. According to the technology, the heat resistance of the HGM is effectively improved, and the compatibility of the HGM and a polymer matrix is improved. And the technology is also a method for preparing the hollow SiO2 microspheres without removing the template, is greener, safer, simpler and more convenient, and is beneficial to large-scale production.

The invention relates to the field of geotechnical engineering grouting materials, and discloses a cement-water glass composite grouting material, which is characterized by comprising a liquid A, a liquid B and a liquid C. The liquid A comprises the following components in parts by weight: 525-700 parts of cement and 350-525 parts of water; the liquid B comprises the following components in parts by weight: 350 parts of water glass solution; the liquid C comprises the following components in parts by weight: 60-100 parts of a modifier solution; wherein the water cement ratio of the liquid A is 0.5-1.0, and the volume ratio of the liquid A to the liquid B is 1: 0.1-1: 1.5. The technical problems that in the prior art, traditional cement-based grout is difficult to meet the high-strength reinforcement requirement and poor in flowing water dispersion resistance, and consequently performance regulation and control are unbalanced are solved, accurate and controllable condensation and adjustable fluidity are achieved, the scene requirements of tunnel reinforcement, seepage prevention and leaking stoppage, mine supporting and the like are met, and the high-strength, fast-setting and durable characteristics are achieved.

The invention relates to a glass composite clarifying agent and a preparation method of glass. The glass composite clarifying agent is prepared from the following components in parts by weight: 10 to 50 parts of anhydrous sodium sulphate, 1 to 25 parts of Na2SiF6, 5 to 40 parts of NaCl, 5 to 35 parts of CeO2 and 5 to 35 parts of ZnO. The particle size of the anhydrous sodium sulphate is 30-80 [mu] m, the particle size of the Na2SiF6 is 50-100 [mu] m, the particle size of the NaCl is 15-80 [mu] m, the particle size of the CeO2 is 160-200 nm, and the particle size of the ZnO is 20-60 nm. The glass composite clarifying agent is formed by compounding five single-component clarifying agents, and the composite clarifying agent can give full play to the synergistic effect of all the components, reduce the viscosity of molten glass, effectively promote gas release in the glass melting process, reduce the number of bubbles, improve the clarifying effect and achieve continuous clarifying; meanwhile, the glass surface stress and the stress layer depth can be improved, and the glass quality is enhanced.

The utility model relates to the technical field of hollow glass, and discloses an energy-saving coated hollow glass composite structure which comprises an outer frame, first glass and second glass are installed on the two sides of the interior of the outer frame correspondingly, and first sealing rubber strips attached to the inner wall of the outer frame are bonded to the corners of the outer walls of the first glass and the second glass correspondingly. A hollow interlayer is arranged between the first glass and the second glass, and a heating element is arranged at the bottom end of the inner wall of the hollow interlayer. A complete and efficient energy-saving coated hollow glass combined structure is formed by the glass, the sealing rubber strip, the drying agent and the heating element, and all links are tightly connected and cooperatively work; the energy-saving coated hollow glass is guaranteed to be comprehensively optimized in the aspects of sealing performance, structural stability, moisture resistance, heating function, conductivity and the like, invasion of external adverse factors can be effectively blocked, and good use performance can be kept under different environmental conditions; the comprehensive performance of the energy-saving coated hollow glass is greatly improved.

The invention belongs to the technical field of variable optical films, discloses a multifunctional composite variable optical film and a preparation method thereof, and aims at solving the problems that an existing variable optical film is single in function, unstable in optical performance, poor in flexibility and bending resistance and low in process precision. The preparation method comprises the following steps: pre-treating the base material: sequentially carrying out plasma cleaning on the PET base material and sputtering the ITO conductive layer, sequentially carrying out ultrasonic cleaning on the glass substrate and preparing the YAG powder enhancement layer; the coating of the functional layer is that the surface of the ITO layer of the PET-ITO composite base material is coated with a PDLC layer and an electrochromic layer, and the surface of the YAG layer of the YAG-glass composite base material is coated with a temperature-sensitive layer; the compounding and curing are as follows: firstly laminating after aligning and compounding, and then carrying out UV segmented curing. The light transmittance of the product can be adjusted by 5-95% in an electric field, and the infrared reflectivity is gt; and after the ITO layer is bent for 1000 times and the bending radius is 5mm, the resistance change rate is less than or equal to 10%, so that the ITO film is suitable for a sunshade film for a vehicle and an intelligent window of a building.

The invention discloses a perovskite nanocrystalline-glass composite material based on high luminous efficiency and a method. The composite material is prepared by adding Cs, Pb and halogen element X on the basis of glass taking SiO2-B2O3-CaCO3-ZnO as a glass system, adding a NaF modifier, and carrying out heat treatment to promote in-situ precipitation of nanocrystals, laser emitted by the laser device sequentially passes through the polaroid and the half-wave plate to form a horizontal polarized light beam, the horizontal polarized light beam enters the spatial light modulator SLM to be modulated to form a modulated light beam with phase diagram information, the modulated light beam is focused and enters the RGB glass, and dynamic holographic multi-color display is achieved through excitation. The quantum efficiency and the brightness are synchronously improved, good light, heat and chemical reagent stability is achieved, a simple and vertically stacked RGB full-color display structure is achieved, the limitation of an optical filter in the aspect of light utilization efficiency is overcome, and the bottleneck of a traditional plane sub-pixel layout in the aspects of space utilization rate and resolution ratio is overcome.

The application discloses an arc-shaped aluminum plate and glass composite curtain wall connecting node construction system and relates to the technical field of curtain wall installation. The reversing plate is provided with an installation transposition assembly, the installation transposition assembly comprises a connecting block, the reversing plate is symmetrically welded with the connecting block on both sides, two connecting blocks on the same side are respectively rotationally penetrated with a rotating shaft, a rotating seat is rotationally arranged in the connecting block through the rotating shaft, and the rotating shaft is connected with the output shaft end of an angle motor. The plate is very labor-saving and convenient in horizontal height and horizontal position adjustment, and only needs to be pressed and fixed by a construction worker, so that the labor intensity of the plate adjustment is greatly reduced, operation is more labor-saving, the punching position and the fixed position are quickly aligned, the installation efficiency is improved again, the angle motor is started, the position of the limiting pipe is changed, the suction cups of the limiting pipe are adsorbed on the arc-shaped surface, the installation and fixing operation of the arc-shaped surface curtain wall can be quickly completed, and adjustment is quick and convenient.

The utility model provides ultra-white glass composite glass, which belongs to the field of composite glass and comprises a glass body, the side of the glass body is connected with the inner walls of two mounting shells in a clamping manner through inner protection components, and the edges of the two sides of the two mounting shells are respectively provided with a first rectangular groove and a second rectangular groove. Outer protection assemblies are arranged on the inner walls of the two first rectangular grooves and the inner walls of the second rectangular grooves. According to the utility model, according to the arc shapes of the four corners of the glass body, the four corners of the glass body are selected to be clamped with the inner walls or the right-angle grooves of the plurality of elastic arc-shaped angle seats, and the two arc-shaped extension parts of the inner walls of the two mounting shells are matched with the plurality of sponge cushion strips to be clamped with the sides of the glass body; and a plurality of glue injection holes are matched to inject a glue layer into a plurality of filling grooves, so that the edge side of the glass body is bonded and limited, and the protection performance of the structure at the corner of the inner layer after the glass body and the external shell are mounted is improved.

The application discloses a novel fluorescent powder and a fluorescent powder glass composite material containing the same, and belongs to the field of solid-state luminescent materials. The application significantly improves the thermal stability of the fluorescent powder by constructing an inorganic oxide film layer on the surface of the fluorescent powder. Meanwhile, on the basis of selecting a borosilicate system as a matrix glass, the application innovatively introduces a TiO2-ZnO-Li2O ternary synergistic system, effectively solving technical problems such as insufficient thermal conductivity, easy interface reaction and refractive index mismatch of the fluorescent glass. The prepared fluorescent powder glass composite material can generate high-quality ideal white light under the excitation of a blue LED chip, meeting the demand of new energy automobile headlight systems for high efficiency, long service life and good environmental adaptability. In addition, the preparation process provided by the application is simple and low in cost, the obtained product is excellent in thermal conductivity, and is suitable for large-scale production.

The invention discloses a multi-component MOF glass composite membrane for gas separation, which is prepared by the following steps of: generating a double-MOF crystal mixed membrane or a double-layer MOF crystal membrane on a porous ceramic substrate by using a plurality of MOF materials with similar melting points through a solvothermal method, placing the MOF crystal membrane in a vacuum tube furnace, heating to a common melting point of the MOF crystal membrane and the double-layer MOF crystal membrane under the protection of inert gas, and carrying out heat treatment on the MOF crystal membrane and the double-layer MOF crystal membrane to obtain the multi-component MOF glass composite membrane for gas separation. And then cooling to obtain the multi-component MOF glass composite film. Due to the fact that the two kinds of MOF glass have different microscopic pore structures, the MOF glass separation membrane with the adjustable pore structures can be obtained through melting fusion. The invention provides a design and preparation method of a novel MOF glass gas separation membrane. The novel MOF glass gas separation membrane can be applied to separation and purification of various gases.

A material system may include: an aluminum layer; a glass composite layer adjacent to the first aluminum layer; and a carbon composite layer adjacent to the first glass composite layer, and opposite to the first aluminum layer. A method of manufacturing a material system may include: stacking an aluminum layer, glass composite layer that may include thermoplastic prepreg plies, and carbon composite layer so that the aluminum layer is adjacent to the glass composite layer, and the glass composite layer is adjacent to the carbon composite layer; and consolidating the thermoplastic prepreg plies to soften the aluminum layer. A method of manufacturing a material system may include: stacking an aluminum layer, glass composite layer that comprises thermoplastic resin, and carbon composite layer so that the glass composite layer is between the aluminum and carbon composite layers; and adjusting temperature and pressure to consolidate the stack.

The invention belongs to the technical field of glaze preparation, and particularly relates to pearl glaze for architectural ceramics as well as a preparation method and application of the pearl glaze. According to the invention, Si-Zr co-doped yttrium oxide directional crystallization, mesoporous alumina-vanadium boron tellurium glass composite particle compact glaze layer and self-repairing collaborative design are combined with medium-temperature segmented firing and flexible polishing process optimization; the pearl glaze with multiple effects of high pearl glossiness, skin friendliness, stain resistance, wear resistance, excellent blank adaptability, self-repairing durability and the like is prepared, a micro-damage self-repairing function is added, and the technical bottleneck of application of the existing pearl glaze to architectural ceramics is solved; according to the present invention, the raw materials are conventional, the process is simple, the obtained pearl glaze has characteristics of excellent mechanical property, excellent pollution resistance, excellent adaptability with the building ceramic green body, no deformation, no crack and no glaze layer peeling, the comprehensive performance of the product meets the building ceramic use requirement, the decoration effect and the touch are excellent, the method is suitable for the industrial mass production, and the significant technical advantage and the significant promotion value are provided.

This invention discloses a nanomaterial-reinforced cured glass composite material. The formulation of this nanomaterial-reinforced cured glass composite material includes silicate-based glass, siloxane nanoparticles, zirconia nanoparticles, carbon nanotubes, and a surface modifier. This material forms a coating with excellent smoothness, hydrophobicity, and thermal shock resistance on the inner wall of the exhaust pipe, preventing the adhesion and accumulation of volatile nuclides. By optimizing process parameters, such as ultrasonic power and ball milling time, a nanomaterial-reinforced cured glass composite material adaptable to high-temperature, high-pressure, and acid / alkali environments is prepared. When applied to the inner wall of the furnace exhaust pipe, this material effectively prevents the accumulation of harmful substances, solves the problem of exhaust pipe blockage, and improves environmental protection and production efficiency. This innovative technical solution has significant industrial application prospects and can achieve considerable economic and environmental benefits in high-level radioactive waste treatment systems.

The invention belongs to the technical field of cable sheath materials, and particularly discloses a fireproof radio frequency cable for wireless communication and a preparation method thereof. The invention relates to a fireproof radio frequency cable for wireless communication, which comprises a copper core conductor, a ceramic fiber insulating layer, a copper strip embossing layer, a ceramic non-woven fabric layer, a steel strip wrapping layer, a high-temperature-resistant layer and a cable sheath, comprising the following raw materials: 50-60 parts of nitrile rubber, 22-25 parts of acrylate rubber, 13-16 parts of chlorinated polyethylene, 2-3 parts of a silane coupling agent, 17-19 parts of a composite reinforcing material, 1-2 parts of dioctyl sebacate, 1-3 parts of an antioxidant 1010, 5-8 parts of POE-g-GMA, 3-5 parts of a flame retardant and 2-4 parts of calcium stearate. The composite reinforcing material is composed of a silicon carbide compound, glass composite fibers and titanium dioxide. The durable, weather-proof and flame-retardant outer sheath is obtained, and is suitable for normal work in daily use and severe environments.

The application discloses a ceramic glass composite with strong impact resistance, a preparation method thereof and electronic equipment. The composite is composed of a ceramic layer, a glass layer and a bonding layer, and has a bending strength of 1000 MPa or above, a drop ball performance of not less than 37 cm or a point pressure value of not less than 110 N.

The application provides a MgZnCa / SnZn metal glass composite material and a preparation method thereof, and the preparation method comprises the following steps: step S1, preparing MgZnCa metal glass powder and SnZn powder; step S2, uniformly mixing the MgZnCa metal glass powder and the SnZn powder, and performing discharge plasma sintering on the obtained mixture to obtain the MgZnCa / SnZn metal glass composite material; wherein the mass ratio of the SnZn in the mixture is 40%-80%. The MgZnCa / SnZn bulk metal glass composite material obtained by the technical scheme has excellent mechanical properties, the compressive strength is more than 110MPa, and the elongation rate is more than 15%, and the processing requirements of a biomedically implantable material are reached; and the MgZnCa / SnZn bulk metal glass composite material is nontoxic, degradable, and has better corrosion resistance performance than the MgZnCa bulk metal glass alloy in both instantaneous and long-term performances.

The present invention discloses a column structure of a honeycomb aluminum panel and glass combined curtain wall and a construction method thereof. The column-wrapping deck of the honeycomb aluminum panel is used to wrap the steel column, thereby forming the main part of the building curtain wall, which has good weather resistance, is easy to install, and is safe and reliable. The curtain wall glass is installed on both sides of the steel column by clamps, and under the covering and protection of the two pieces of column-wrapping deck, the problem of easy deformation of the frame structure of the traditional glass curtain wall system is avoided. The heat-insulating pads of the curtain wall glass and the heat-insulating fillers in the column-wrapping deck make the column structure of the honeycomb aluminum panel and glass combined curtain wall of the present invention have better heat insulation effect. The present invention solves the problem that the frame structure of the existing glass curtain wall system is easy to deform.

The invention discloses a large-size hemispherical glass composite strengthening method which comprises the following steps: (1) carrying out laser-induced crystallization treatment on an original inch hemispherical glass sheet, specifically, corroding the original glass sheet with hydrofluoric acid, coating a light absorption layer on the surface of the glass, and carrying out glass surface crystallization processing by adopting laser to obtain a crystallized glass sheet; finally, the glass is put into an annealing furnace for annealing treatment; and (2) cleaning the surface of the glass subjected to laser induction treatment, putting the glass into a vacuum or inert gas environment, scanning the surface of the glass by using a high-energy electron beam generated by an accelerator, and finally putting the glass into an annealing furnace for annealing treatment. The obtained large-size hemispherical tempered glass has the advantages of being excellent in mechanical performance, free of thermal deformation risk in the strengthening process, designable in crystal phase and the like, and in addition, the composite strengthening method has the advantages of being energy-saving and environment-friendly in process, safe, reliable and the like, and has good industrial application prospects.

The utility model discloses an energy-saving assembly type glass composite partition wall, which relates to the technical field of building partition walls and comprises a lower mounting frame, the top of the lower mounting frame is slidably connected with an upper mounting frame, two groups of supporting beams are vertically arranged between the lower mounting frame and the upper mounting frame, and the front and rear sides of the two groups of supporting beams are provided with mounting sliding frames. Fixing pieces are arranged at the front and rear ends of the lower mounting rack and the upper mounting rack, mounting assemblies are arranged on the front and rear sides of the lower mounting rack and the upper mounting rack, and glass partition plates are arranged on the front and rear sides of the lower mounting rack and the upper mounting rack. Through the arrangement of the fixing piece and the mounting assembly, the mounting sliding frame is limited through the clamping blocks on the upper side and the lower side, the heat preservation plate is fixed into the wall, then the glass partition plate is positioned through the upper clamping plate and the lower clamping plate, the glass partition plate is fixed through the baffles, and the wall plate is easy to disassemble and assemble through the assembly type structure; components in the wallboard can be conveniently recycled, energy consumption is reduced, and the environment is protected.

The invention relates to the field of underground structure engineering, in particular to a flexible connecting structure for an entrance and an exit of a shield tunnel. The structure comprises a special ring pipe piece, an annular end socket steel plate, an annular connecting steel plate, stiffening ribs, a compression type water stop structure and a rubber buffer cushion. The annular end socket steel plate is provided with a groove and a sealing gasket and is in bolted connection with the shield tunnel to realize end face sealing; and the annular connecting steel plate is welded on the hole pre-embedded steel ring and is provided with stiffening ribs. According to the pressing type water stop structure, a rubber water stop belt and the like are used for pressing the water stop belt to form waterproof sealing. And the rubber buffer pad is arranged between the two steel plates to buffer longitudinal deformation. A polyurethane water glass composite grouting material is injected into the outer side of the special pipe piece ring to stop water and serve as a radial buffer layer, and grout can be reinjected through the pre-buried grouting pipe. According to the shield tunnel entrance and exit flexible connection, the tunnel end is allowed to displace under the earthquake working condition and the temperature action working condition, collision with a working well is avoided, and therefore loads and energy are effectively transmitted to the stratum.

A laminate structure may include: an aluminum layer; a glass composite layer adjacent to the aluminum layer; and / or a carbon composite layer adjacent to the glass composite layer, opposite to the aluminum layer. The glass composite layer may include one or more glass-fiber-reinforced thermoplastic prepreg plies. The carbon composite layer may include one or more carbon-fiber-reinforced thermoplastic prepreg plies. A laminate structure may include: a first aluminum layer; a first glass composite layer adjacent to the first aluminum layer; a first carbon composite layer adjacent to the first glass composite layer, and opposite to the first aluminum layer; and / or a second glass composite layer adjacent to the first carbon composite layer, and opposite to the first glass composite layer. The first glass composite layer may include one or more glass-fiber-reinforced thermoplastic prepreg plies. The first carbon composite layer may include one or more carbon-fiber-reinforced thermoplastic prepreg plies.

The utility model discloses a kind of double steel laminated glass composite equipment, belong to laminated glass production field, including conveyer, the upper side of conveyer is provided with frame, the right end rear side of frame is fixedly installed with motor, the right end in frame is fixedly installed with fixed plate, the right end in frame is rotatably installed with pivot, two groups of first sliding block are slidably installed on pivot, the lower end of two groups of first sliding block is fixedly installed with limit plate, the fixed plate and two groups of limit plate are all set with sliding slot in, three groups of one-way screw rod are rotatably installed in sliding slot, and second sliding block is threadedly connected on three groups of one-way screw rod;Through the cooperation between above each device, and then cutting and taking out the protruding film of laminated glass right side and front and back two sides, so that the equipment can automatically adjust and cut film, avoid the tedious and error of manual operation, greatly improve production efficiency and product quality.