CN111703147A - Heat-insulation aluminum veneer for building outer wall and manufacturing process thereof - Google Patents

Heat-insulation aluminum veneer for building outer wall and manufacturing process thereof Download PDF

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Publication number
CN111703147A
CN111703147A CN202010609597.5A CN202010609597A CN111703147A CN 111703147 A CN111703147 A CN 111703147A CN 202010609597 A CN202010609597 A CN 202010609597A CN 111703147 A CN111703147 A CN 111703147A
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CN
China
Prior art keywords
heat insulation
layer
coating
aluminum veneer
plate
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Pending
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CN202010609597.5A
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Chinese (zh)
Inventor
夏海军
李量
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Anhui Furuier Aluminium Industry Technology Co ltd
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Anhui Furuier Aluminium Industry Technology Co ltd
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Priority to CN202010609597.5A priority Critical patent/CN111703147A/en
Publication of CN111703147A publication Critical patent/CN111703147A/en
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
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    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
    • C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/88—Insulating elements for both heat and sound
    • E04B1/90—Insulating elements for both heat and sound slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/88—Curtain walls
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  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
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  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses a heat-insulating aluminum veneer for a building outer wall and a manufacturing process thereof, belonging to the technical field of aluminum veneer manufacturing. The heat insulation type aluminum veneer for the building outer wall and the manufacturing process thereof can not cause structural deformation when expanding with heat and contracting with cold, thereby ensuring extremely high flatness, ensuring that the panel can still keep very high flatness when having a larger area, improving the sound insulation effect of the whole aluminum veneer, increasing the use benefit, effectively insulating heat, increasing the chemical property of the aluminum veneer and improving the plasticity of the aluminum veneer by coating the outer coating layer on the outer side of the veneer, and preventing the corrosion of the substrate by coating paint, thereby improving the corrosion resistance of the coating layer, well protecting the veneer and prolonging the service life of the veneer.

Description

Heat-insulation aluminum veneer for building outer wall and manufacturing process thereof
Technical Field
The invention relates to the technical field of aluminum veneer manufacturing, in particular to a heat-insulation aluminum veneer for a building outer wall and a manufacturing process thereof.
Background
The aluminum single-plate curtain wall is suitable for decoration of various building internal and external walls, hall door surfaces, column decorations, elevated corridors, pedestrian overpasses, elevator covered edges, balcony packaging, advertisement signboards, indoor special-shaped suspended ceilings and the like. In high-rise buildings such as building outer walls, beam columns, balconies, rain shed airports, stations, hospital conference halls, opera stadiums reception halls and the like, the surface coating of the building curtain wall can lose light, change color, pulverize and fall off in the atmospheric environment along with the passage of time, so that the curtain wall base material is exposed, the curtain wall base material is corroded by corrosion due to chemical or electrochemical reaction when being contacted with a corrosive medium in the environment, and the performance is degraded or even destroyed, so that the anticorrosion technology of the curtain wall base material plays an important role in the safety performance and the durability of the curtain wall base material. In addition, acid rain, various dust and dirt and the like in the atmospheric environment are easily adhered to the surface of the curtain wall, the acid rain has corrosivity on the surface coating of the curtain wall, the existing heat-insulating material in the aluminum veneer has high water absorption and poor durability, the service life is far shorter than that of a building, and the material cannot have fire resistance and heat insulation simultaneously.
Disclosure of Invention
The invention aims to provide a heat insulation type aluminum veneer for building exterior walls and a manufacturing process thereof, wherein the heat insulation type aluminum veneer can not cause structural deformation when expanded with heat and contracted with cold, so that extremely high flatness can be ensured, the panel can still keep high flatness when the area is larger, the sound insulation effect of the whole aluminum veneer is improved, the use benefit of the aluminum veneer is increased, heat insulation is effectively carried out, the chemical property of the aluminum veneer is increased by coating an outer coating layer on the outer side of the plate, the plasticity of the aluminum veneer is improved, the corrosion resistance of a substrate can be prevented by coating paint, the corrosion resistance of the coating is also improved, the plate is well protected, and the service life of the plate is prolonged, so that the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the heat-insulating aluminum veneer for the building outer wall comprises an aluminum veneer body, wherein the aluminum veneer body comprises an aluminum veneer base layer, a heat-insulating layer and an outer coating layer;
the heat insulation layer comprises two heat insulation space layers and a sound absorption layer, the sound absorption layer is coated in the heat insulation space layers, and heat insulation honeycomb plates are arranged in the sound absorption layer and the heat insulation space layers.
Furthermore, the heat insulation honeycomb plate is pressed in the heat insulation gap layer and consists of a plurality of honeycomb holes in a superposed mode.
Furthermore, the sound absorption layer is formed by pressing a plurality of groups of sound absorption glass wool boards, and the sound absorption layer is coated inside by the heat insulation honeycomb board.
The invention provides another technical scheme: a manufacturing process of a heat insulation type aluminum veneer for a building outer wall comprises the following steps:
the method comprises the following steps: forging an aluminum plate: pouring molten aluminum into a casting mold for casting, and taking out a cast blank from the casting mold when the processed assembly is cooled to normal temperature to obtain an aluminum veneer base layer;
step two: forging the honeycomb plate: heating aluminum alloy, pouring the melted aluminum alloy into a honeycomb die for die-casting molding to obtain a honeycomb plate blank, and treating the surface of the honeycomb plate blank by using high-temperature compounding and panel hot-pressing technologies;
step three: preparing an acoustic panel: selecting resin glue solution and glass fiber cloth as raw materials, uncoiling the glass fiber cloth, feeding the glass fiber cloth into a glue tank through a guide roller, controlling the content of resin through a glue extruding roller after gum dipping, feeding the glass fiber cloth into an oven, removing volatile matters such as solvent and the like during the oven period, simultaneously making the resin in a semi-solidified state, and shearing the glass fiber cloth according to the size requirement after the glass fiber cloth is discharged from the oven;
step four: laminating the board layers: coating an adhesive on the joint surfaces of the aluminum veneer base layer, the heat insulation honeycomb plate and the sound absorption layer, laminating layer by layer in sequence, and compacting and molding by a hot press;
step five: surface processing: putting the compacted plate into a drying box for drying, taking out after drying for 7-12 minutes, polishing the surface of the plate by a polishing device to be flat, cutting the plate into a required shape by a cutting machine, and polishing two end faces of the cut plate to be flat;
step six: coating material preparation: selecting FEVE fluorocarbon resin, inorganic adhesive slurry, titanium dioxide, cobalt black, a dispersing agent, an acrylic acid leveling agent, an anti-settling agent and an organic tin catalyst; mixing the flame-retardant polyurethane foaming particles as raw materials, wherein the FEVE fluorocarbon resin accounts for 30-60%, the inorganic adhesive sizing agent accounts for 12-18%, the titanium dioxide accounts for 15-30%, the cobalt black accounts for 2-6%, the dispersing agent accounts for 0.3-0.7%, the acrylic acid leveling agent accounts for 0.04-0.19%, the anti-settling agent accounts for 0.1-0.7%, and the organic tin catalyst accounts for 0.1-0.8%; 5 to 20 percent of flame-retardant polyurethane foaming particles;
step seven: stirring and standing the ingredients: mixing the coating ingredients, stirring and standing to fully react and fuse to obtain an outer coating layer;
step eight: coating of a coating: coating an outer coating layer on the outer surface of the processed plate, coating for multiple times until the surface coating layer is uniformly coated, standing for 3-5 minutes, and drying after bubbles are eliminated;
step nine: and (3) drying the coating: and (3) placing the plate coated with the waterproof coating into a drying box for drying, and drying at a low temperature of 30-40 ℃ for 70-90 minutes.
Further, in the third step, in the preparation process of the sound-absorbing board, the temperature, the air volume and the vehicle speed of each temperature zone of the oven are required to be adjusted to control the gel time and the volatile content, and after the sound-absorbing board is dried, the sound-absorbing board is required to be pressed and formed through a machine.
Further, aiming at the fourth step, the superposition sequence when the plate layers are laminated is that the upper end and the lower end of the sound absorption layer are superposed with heat insulation cellular boards, heat insulation layers are superposed on the heat insulation cellular boards at the upper end and the lower end, and the aluminum veneer base layer is arranged below the heat insulation layers and above the heat insulation layers.
Further, aiming at the step eight and the step nine, an outer coating layer needs to be coated on the outer surface of the dried plate, drying is carried out after coating, and the process needs to be repeated for 3-5 times.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a heat insulation type aluminum veneer for building outer walls and a manufacturing process thereof.A sound absorption layer is coated inside by a heat insulation honeycomb plate, the sound absorption layer is effectively protected by coating the heat insulation honeycomb plate outside the sound absorption layer, and gas in the plate can freely flow due to honeycomb holes on the heat insulation honeycomb plate; can not arouse structural deformation when expend with heat and contract with cold, consequently, can guarantee high roughness, these honeycomb holes of pinning each other, but the pressure that comes from the panel direction is born to the dispersibility, it is even to make the board atress, it still can keep very high roughness when great area to have guaranteed the panel, it is good to have the shaping through setting up the sound absorbing layer, small volume density, thermal conductivity , heat preservation and heat insulation, sound absorbing performance is good, it is corrosion-resistant, the advantage that chemical property is stable, improve whole aluminium veneer sound insulation effect, increase its use effectiveness, effectually insulate against heat, through the outer coating layer of coating in the panel outside, increase aluminium veneer chemical property, improve the plasticity of aluminium veneer, and through coating, can prevent the corrosion of substrate, therefore also improved the corrosion resistance of coating, fine protection panel, increase the life of panel.
Drawings
FIG. 1 is a front view of a strip socket anti-contamination device of the present invention;
FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 3 is a side cross-sectional view of a portion of the structure of the present invention;
FIG. 4 is an exploded view of the overall structure of the present invention;
FIG. 5 is a schematic view of a partial structure of the heat-insulating honeycomb panel of the present invention;
FIG. 6 is a flow chart of a manufacturing process of the present invention.
In the figure: 1. an aluminum single plate body; 11. an aluminum veneer base layer; 12. a thermal insulation layer; 121. a thermally insulating void layer; 122. a sound absorbing layer; 13. an outer coating layer; 2. a thermally insulating honeycomb panel; 21. and (4) honeycomb holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-5, an insulating aluminum veneer for building exterior wall and its manufacturing process comprises an aluminum veneer body 1, wherein the aluminum veneer body 1 comprises an aluminum veneer base layer 11, a heat-insulating layer 12 and an outer coating layer 13, the aluminum veneer base layer 11 is provided with two layers, the heat-insulating layer 12 is sandwiched and fixed in the two layers of aluminum veneer base layer 11, the outer coating layer 13 is coated on the outer side of the two layers of aluminum veneer base layer 11, the heat-insulating layer 12 comprises a heat-insulating void layer 121 and a sound-absorbing layer 122, the heat-insulating void layer 121 is provided with two layers, the sound-absorbing layer 122 is coated in the heat-insulating void layer 121, the sound-absorbing layer 122 and the heat-insulating void layer 121 are provided with heat-insulating honeycomb panels 2, the heat-insulating honeycomb panels 2 are sandwiched and pressed in the heat-insulating void layer 121, the heat-insulating honeycomb panels 2 are formed by overlapping a plurality of honeycomb holes 21, the sound-absorbing layer 122 is formed by laminating a plurality of sound-absorbing glass wool panels, and the, the sound absorption layer 122 is effectively protected, and the honeycomb holes 21 on the heat insulation honeycomb plate 2 enable gas in the plate to freely flow; structural deformation can not arouse when expend with heat and contract with cold, consequently, can guarantee high roughness, these honeycomb holes 21 of pinning each other, but the pressure that comes from the panel direction is born to the dispersibility, it is even to make the board atress, it still can keep very high roughness when great area to have guaranteed the panel, it is good to have the shaping through setting up sound absorbing layer 122, small volume density, thermal conductivity , heat preservation and heat insulation, sound absorbing performance is good, corrosion-resistant, the advantage that chemical property is stable, improve whole aluminium veneer sound insulation effect, increase its use benefit, effectually insulate against heat, through coating layer 13 outside the panel, increase aluminium veneer chemical property, improve the plasticity of aluminium veneer, and through coating, can prevent the substrate corrosion of coating, therefore also improved the corrosion resistance of coating, fine protection panel, increase the life of panel.
Referring to fig. 6, in order to better show the process of the heat-insulating aluminum veneer for the exterior wall of the building, the present embodiment provides a manufacturing process of the heat-insulating aluminum veneer for the exterior wall of the building, including the following steps:
the method comprises the following steps: forging an aluminum plate: pouring molten aluminum into a casting mold for casting, and taking out a cast blank from the casting mold when the processed assembly is cooled to normal temperature to obtain an aluminum single-plate base layer 11;
step two: forging the honeycomb plate: heating aluminum alloy, pouring the melted aluminum alloy into a honeycomb die for die-casting molding to obtain a honeycomb plate blank, and treating the surface of the honeycomb plate blank by using high-temperature compounding and panel hot-pressing technologies;
step three: preparing an acoustic panel: selecting a resin glue solution and glass fiber cloth as raw materials, uncoiling the glass fiber cloth, feeding the glass fiber cloth into a glue tank through a guide roller, controlling the content of resin through a glue extruding roller after gum dipping, then feeding the glass fiber cloth into an oven, removing volatile matters such as a solvent and the like during the oven period, simultaneously enabling the resin to be in a semi-solidified state, shearing the glass fiber cloth out of the oven according to the size requirement, in the preparation process of the acoustic panel, controlling the gel time and the content of the volatile matters by adjusting the temperature, the air volume and the vehicle speed of each temperature area of the oven, and after the acoustic panel is dried, carrying out press forming on the;
step four: laminating the board layers: coating an adhesive on the connecting surface of the aluminum veneer base layer 11, the heat insulation layer 12, the heat insulation honeycomb plate 2 and the sound absorption layer 122, laminating the aluminum veneer base layer, the heat insulation layer 12, the heat insulation honeycomb plate 2 and the sound absorption layer 122 in sequence, compacting and molding the aluminum veneer base layer by a hot press, wherein the laminating sequence during lamination of the aluminum veneer base layer is that the upper end and the lower end of the sound absorption layer 122 are laminated with the heat insulation honeycomb plate 2, the heat insulation layer 12 is laminated on the heat insulation honeycomb plates 2 at the upper end and the lower end;
step five: surface processing: putting the compacted plate into a drying box for drying, taking out after drying for 7-12 minutes, polishing the surface of the plate by a polishing device to be flat, cutting the plate into a required shape by a cutting machine, and polishing two end faces of the cut plate to be flat;
step six: coating material preparation: selecting FEVE fluorocarbon resin, inorganic adhesive slurry, titanium dioxide, cobalt black, a dispersing agent, an acrylic acid leveling agent, an anti-settling agent and an organic tin catalyst; mixing the flame-retardant polyurethane foaming particles serving as raw materials, wherein 50% of FEVE fluorocarbon resin, 14% of inorganic adhesive slurry, 24% of titanium dioxide, 4% of cobalt black, 0.5% of dispersing agent, 0.10% of acrylic acid leveling agent, 0.3% of anti-settling agent and 0.5% of organic tin catalyst; 18% of flame-retardant polyurethane foaming particles;
step seven: stirring and standing the ingredients: mixing and standing the coating ingredients after the coating ingredients are prepared, and obtaining an outer coating layer 13 after the coating ingredients are fully reacted and fused;
step eight: coating of a coating: coating an outer coating layer 13 on the outer surface of the processed plate for multiple times until the surface coating is uniformly coated, standing for 3-5 minutes, and drying after bubbles are eliminated;
step nine: and (3) drying the coating: and (2) placing the sheet material coated with the waterproof coating into a drying box for drying, drying at a low temperature of 30-40 ℃ for 70-90 minutes, coating an outer coating layer 13 on the outer surface of the dried sheet material, and drying after coating, wherein the process needs to be repeated for 3-5 times.
Example two:
in order to better show the process of the heat insulation type aluminum veneer for the building outer wall, the embodiment provides a manufacturing process of the heat insulation type aluminum veneer for the building outer wall, which includes the following steps:
the method comprises the following steps: forging an aluminum plate: pouring molten aluminum into a casting mold for casting, and taking out a cast blank from the casting mold when the processed assembly is cooled to normal temperature to obtain an aluminum single-plate base layer 11;
step two: forging the honeycomb plate: heating aluminum alloy, pouring the melted aluminum alloy into a honeycomb die for die-casting molding to obtain a honeycomb plate blank, and treating the surface of the honeycomb plate blank by using high-temperature compounding and panel hot-pressing technologies;
step three: preparing an acoustic panel: selecting a resin glue solution and glass fiber cloth as raw materials, uncoiling the glass fiber cloth, feeding the glass fiber cloth into a glue tank through a guide roller, controlling the content of resin through a glue extruding roller after gum dipping, then feeding the glass fiber cloth into an oven, removing volatile matters such as a solvent and the like during the oven period, simultaneously enabling the resin to be in a semi-solidified state, shearing the glass fiber cloth out of the oven according to the size requirement, in the preparation process of the acoustic panel, controlling the gel time and the content of the volatile matters by adjusting the temperature, the air volume and the vehicle speed of each temperature area of the oven, and after the acoustic panel is dried, carrying out press forming on the;
step four: laminating the board layers: coating an adhesive on the connecting surface of the aluminum veneer base layer 11, the heat insulation layer 12, the heat insulation honeycomb plate 2 and the sound absorption layer 122, laminating the aluminum veneer base layer, the heat insulation layer 12, the heat insulation honeycomb plate 2 and the sound absorption layer 122 in sequence, compacting and molding the aluminum veneer base layer by a hot press, wherein the laminating sequence during lamination of the aluminum veneer base layer is that the upper end and the lower end of the sound absorption layer 122 are laminated with the heat insulation honeycomb plate 2, the heat insulation layer 12 is laminated on the heat insulation honeycomb plates 2 at the upper end and the lower end;
step five: surface processing: putting the compacted plate into a drying box for drying, taking out after drying for 7-12 minutes, polishing the surface of the plate by a polishing device to be flat, cutting the plate into a required shape by a cutting machine, and polishing two end faces of the cut plate to be flat;
step six: coating material preparation: selecting FEVE fluorocarbon resin, inorganic adhesive slurry, titanium dioxide, cobalt black, a dispersing agent, an acrylic acid leveling agent, an anti-settling agent and an organic tin catalyst; mixing the flame-retardant polyurethane foaming particles serving as raw materials, wherein 30% of FEVE fluorocarbon resin, 13% of inorganic adhesive slurry, 28% of titanium dioxide, 5% of cobalt black, 0.3% of dispersing agent, 0.05% of acrylic acid leveling agent, 0.7% of anti-settling agent and 0.6% of organic tin catalyst; 16% of flame-retardant polyurethane foaming particles;
step seven: stirring and standing the ingredients: mixing and standing the coating ingredients after the coating ingredients are prepared, and obtaining an outer coating layer 13 after the coating ingredients are fully reacted and fused;
step eight: coating of a coating: coating an outer coating layer 13 on the outer surface of the processed plate for multiple times until the surface coating is uniformly coated, standing for 3-5 minutes, and drying after bubbles are eliminated;
step nine: and (3) drying the coating: and (2) placing the sheet material coated with the waterproof coating into a drying box for drying, drying at a low temperature of 30-40 ℃ for 70-90 minutes, coating an outer coating layer 13 on the outer surface of the dried sheet material, and drying after coating, wherein the process needs to be repeated for 3-5 times.
Example three:
in order to better show the process of the heat insulation type aluminum veneer for the building outer wall, the embodiment provides a manufacturing process of the heat insulation type aluminum veneer for the building outer wall, which includes the following steps:
the method comprises the following steps: forging an aluminum plate: pouring molten aluminum into a casting mold for casting, and taking out a cast blank from the casting mold when the processed assembly is cooled to normal temperature to obtain an aluminum single-plate base layer 11;
step two: forging the honeycomb plate: heating aluminum alloy, pouring the melted aluminum alloy into a honeycomb die for die-casting molding to obtain a honeycomb plate blank, and treating the surface of the honeycomb plate blank by using high-temperature compounding and panel hot-pressing technologies;
step three: preparing an acoustic panel: selecting a resin glue solution and glass fiber cloth as raw materials, uncoiling the glass fiber cloth, feeding the glass fiber cloth into a glue tank through a guide roller, controlling the content of resin through a glue extruding roller after gum dipping, then feeding the glass fiber cloth into an oven, removing volatile matters such as a solvent and the like during the oven period, simultaneously enabling the resin to be in a semi-solidified state, shearing the glass fiber cloth out of the oven according to the size requirement, in the preparation process of the acoustic panel, controlling the gel time and the content of the volatile matters by adjusting the temperature, the air volume and the vehicle speed of each temperature area of the oven, and after the acoustic panel is dried, carrying out press forming on the;
step four: laminating the board layers: coating an adhesive on the connecting surface of the aluminum veneer base layer 11, the heat insulation layer 12, the heat insulation honeycomb plate 2 and the sound absorption layer 122, laminating the aluminum veneer base layer, the heat insulation layer 12, the heat insulation honeycomb plate 2 and the sound absorption layer 122 in sequence, compacting and molding the aluminum veneer base layer by a hot press, wherein the laminating sequence during lamination of the aluminum veneer base layer is that the upper end and the lower end of the sound absorption layer 122 are laminated with the heat insulation honeycomb plate 2, the heat insulation layer 12 is laminated on the heat insulation honeycomb plates 2 at the upper end and the lower end;
step five: surface processing: putting the compacted plate into a drying box for drying, taking out after drying for 7-12 minutes, polishing the surface of the plate by a polishing device to be flat, cutting the plate into a required shape by a cutting machine, and polishing two end faces of the cut plate to be flat;
step six: coating material preparation: selecting FEVE fluorocarbon resin, inorganic adhesive slurry, titanium dioxide, cobalt black, a dispersing agent, an acrylic acid leveling agent, an anti-settling agent and an organic tin catalyst; mixing the flame-retardant polyurethane foaming particles serving as raw materials, wherein 40% of FEVE fluorocarbon resin, 13% of inorganic adhesive slurry, 19% of titanium dioxide, 3% of cobalt black, 0.5% of dispersing agent, 0.09% of acrylic acid leveling agent, 0.6% of anti-settling agent and 0.2% of organic tin catalyst; 7% of flame-retardant polyurethane foaming particles;
step seven: stirring and standing the ingredients: mixing and standing the coating ingredients after the coating ingredients are prepared, and obtaining an outer coating layer 13 after the coating ingredients are fully reacted and fused;
step eight: coating of a coating: coating an outer coating layer 13 on the outer surface of the processed plate for multiple times until the surface coating is uniformly coated, standing for 3-5 minutes, and drying after bubbles are eliminated;
step nine: and (3) drying the coating: and (2) placing the sheet material coated with the waterproof coating into a drying box for drying, drying at a low temperature of 30-40 ℃ for 70-90 minutes, coating an outer coating layer 13 on the outer surface of the dried sheet material, and drying after coating, wherein the process needs to be repeated for 3-5 times.
The aluminum veneers produced according to the production process provided in the above examples were tested, and the abrasion resistance, corrosion resistance and flame retardancy of the aluminum veneers were evaluated by scoring by observing the surface condition of the aluminum veneers, as shown in the following table:
wear resistance Corrosion resistance Flame retardant properties
Example one 99 points of 100 minutes 100 minutes
Example two 96 minutes 97 is divided into 99 points of
EXAMPLE III 94 minutes 98 minutes 94 minutes
As can be seen from the above table, the aluminum veneers produced by the production process provided in the above embodiments have the best wear resistance, corrosion resistance and flame retardancy, and can meet the use requirements, and have the advantages of strong corrosion resistance, good wear resistance and high flame retardancy, and the water resistance of the second embodiment and the third embodiment does not meet the standard
In summary, according to the heat-insulating aluminum veneer for the building exterior wall and the manufacturing process thereof provided by the present invention, the sound absorption layer 122 is covered inside by the heat-insulating honeycomb panel 2, the sound absorption layer 122 is effectively protected by covering the heat-insulating honeycomb panel 2 outside the sound absorption layer 122, and the honeycomb holes 21 on the heat-insulating honeycomb panel 2 allow the gas in the panel to freely flow; structural deformation can not arouse when expend with heat and contract with cold, consequently, can guarantee high roughness, these honeycomb holes 21 of pinning each other, but the pressure that comes from the panel direction is born to the dispersibility, it is even to make the board atress, it still can keep very high roughness when great area to have guaranteed the panel, it is good to have the shaping through setting up sound absorbing layer 122, small volume density, thermal conductivity , heat preservation and heat insulation, sound absorbing performance is good, corrosion-resistant, the advantage that chemical property is stable, improve whole aluminium veneer sound insulation effect, increase its use benefit, effectually insulate against heat, through coating layer 13 outside the panel, increase aluminium veneer chemical property, improve the plasticity of aluminium veneer, and through coating, can prevent the substrate corrosion of coating, therefore also improved the corrosion resistance of coating, fine protection panel, increase the life of panel.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (7)

1. The utility model provides a building outer wall is with thermal-insulated type aluminium veneer which characterized in that: the aluminum veneer comprises an aluminum veneer body (1), wherein the aluminum veneer body (1) comprises an aluminum veneer base layer (11), a heat insulation layer (12) and an outer coating layer (13), the aluminum veneer base layer (11) is provided with two layers, the heat insulation layer (12) is clamped and fixed in the two layers of aluminum veneer base layers (11), and the outer coating layer (13) is coated on the outer sides of the two layers of aluminum veneer base layers (11);
the heat insulation layer (12) comprises a heat insulation gap layer (121) and a sound absorption layer (122), the heat insulation gap layer (121) is provided with two layers, the sound absorption layer (122) is covered in the heat insulation gap layer (121), and heat insulation honeycomb plates (2) are arranged in the sound absorption layer (122) and the heat insulation gap layer (121).
2. The heat insulation type aluminum veneer for the exterior wall of a building according to claim 1, characterized in that: the heat insulation honeycomb plate (2) is clamped in the heat insulation void layer (121), and the heat insulation honeycomb plate (2) is formed by overlapping a plurality of honeycomb holes (21).
3. The heat insulation type aluminum veneer for the exterior wall of a building according to claim 1, characterized in that: the sound absorption layer (122) is formed by pressing a plurality of groups of sound absorption glass wool boards, and the sound absorption layer (122) is coated inside by the heat insulation honeycomb board (2).
4. A manufacturing process of the heat insulation type aluminum veneer for the building exterior wall according to claims 1-3, characterized in that: the method comprises the following steps:
the method comprises the following steps: forging an aluminum plate: pouring molten aluminum into a casting mold for casting, and taking out a cast blank from the casting mold when the processed assembly is cooled to normal temperature to obtain an aluminum veneer base layer (11);
step two: forging the honeycomb plate: heating aluminum alloy, pouring the melted aluminum alloy into a honeycomb die for die-casting molding to obtain a honeycomb plate blank, and treating the surface of the honeycomb plate blank by using high-temperature compounding and panel hot-pressing technologies;
step three: preparing an acoustic panel: selecting resin glue solution and glass fiber cloth as raw materials, uncoiling the glass fiber cloth, feeding the glass fiber cloth into a glue tank through a guide roller, controlling the content of resin through a glue extruding roller after gum dipping, feeding the glass fiber cloth into an oven, removing volatile matters such as solvent and the like during the oven period, simultaneously making the resin in a semi-solidified state, and shearing the glass fiber cloth according to the size requirement after the glass fiber cloth is discharged from the oven;
step four: laminating the board layers: coating adhesive on the connecting surfaces of the aluminum veneer base layer (11), the heat insulation layer (12), the heat insulation honeycomb plate (2) and the sound absorption layer (122), laminating layer by layer in sequence, and compacting and molding by a hot press;
step five: surface processing: putting the compacted plate into a drying box for drying, taking out after drying for 7-12 minutes, polishing the surface of the plate by a polishing device to be flat, cutting the plate into a required shape by a cutting machine, and polishing two end faces of the cut plate to be flat;
step six: coating material preparation: selecting FEVE fluorocarbon resin, inorganic adhesive slurry, titanium dioxide, cobalt black, a dispersing agent, an acrylic acid leveling agent, an anti-settling agent and an organic tin catalyst; mixing the flame-retardant polyurethane foaming particles as raw materials, wherein the FEVE fluorocarbon resin accounts for 30-60%, the inorganic adhesive sizing agent accounts for 12-18%, the titanium dioxide accounts for 15-30%, the cobalt black accounts for 2-6%, the dispersing agent accounts for 0.3-0.7%, the acrylic acid leveling agent accounts for 0.04-0.19%, the anti-settling agent accounts for 0.1-0.7%, and the organic tin catalyst accounts for 0.1-0.8%; 5 to 20 percent of flame-retardant polyurethane foaming particles;
step seven: stirring and standing the ingredients: mixing and standing the coating ingredients after the coating ingredients are prepared, and obtaining an outer coating layer (13) after the coating ingredients are fully reacted and fused;
step eight: coating of a coating: coating an outer coating layer (13) on the outer surface of the processed plate, coating for multiple times until the surface coating is uniformly coated, standing for 3-5 minutes, and drying after bubbles are eliminated;
step nine: and (3) drying the coating: and (3) placing the plate coated with the waterproof coating into a drying box for drying, and drying at a low temperature of 30-40 ℃ for 70-90 minutes.
5. The manufacturing process of the heat insulation type aluminum veneer for the building outer wall according to claim 4 is characterized in that: and step three, in the preparation process of the sound-absorbing board, the temperature, the air volume and the vehicle speed of each temperature area of the oven are required to be adjusted to control the gel time and the volatile content, and after the sound-absorbing board is dried, the sound-absorbing board is required to be pressed and formed through a machine.
6. The manufacturing process of the heat insulation type aluminum veneer for the building outer wall according to claim 4 is characterized in that: and aiming at the fourth step, the superposition sequence when the plate layers are laminated is that the upper end and the lower end of the sound absorption layer (122) are superposed with the heat insulation honeycomb plates (2), the heat insulation layers (12) are superposed on the heat insulation honeycomb plates (2) at the upper end and the lower end, and the aluminum veneer base layer (11) is arranged below the heat insulation layers (12) and above the heat insulation layers (12).
7. The manufacturing process of the heat insulation type aluminum veneer for the building outer wall according to claim 4 is characterized in that: and aiming at the step eight and the step nine, an outer coating layer (13) needs to be coated on the outer surface of the dried plate, drying is carried out after coating, and the process needs to be repeated for 3-5 times.
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CN106240086A (en) * 2016-08-01 2016-12-21 太仓顺如成建筑材料有限公司 A kind of heat-insulating and sound-absorbing New Composite Wall-slab
CN207177147U (en) * 2017-08-11 2018-04-03 江苏财发铝业股份有限公司 A kind of insulation clad aluminium
CN109943115A (en) * 2019-04-22 2019-06-28 常熟市奇越新型建材科技有限公司 A kind of nano thermal insulation adiabatic coating preparation method
CN209855004U (en) * 2019-05-09 2019-12-27 江苏远军幕墙新材料有限公司 Heat insulation aluminum veneer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112895628A (en) * 2021-02-24 2021-06-04 山东济钢鲍德金属复合板科技有限公司 High-strength metal composite plate and production process thereof
CN113334877A (en) * 2021-06-15 2021-09-03 安徽忠盛新型装饰材料有限公司 Multi-layer fixed high-density composite board and production process thereof
CN114086705A (en) * 2021-12-22 2022-02-25 安徽福瑞尔铝业科技有限公司 High-strength reinforced aluminum veneer for curtain wall and manufacturing process thereof

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Application publication date: 20200925