CN110792363A - Corrosion-resistant aluminum alloy door and window and preparation method thereof - Google Patents
Corrosion-resistant aluminum alloy door and window and preparation method thereof Download PDFInfo
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- CN110792363A CN110792363A CN201911023288.3A CN201911023288A CN110792363A CN 110792363 A CN110792363 A CN 110792363A CN 201911023288 A CN201911023288 A CN 201911023288A CN 110792363 A CN110792363 A CN 110792363A
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M1/00—Stationary means for catching or killing insects
- A01M1/02—Stationary means for catching or killing insects with devices or substances, e.g. food, pheronones attracting the insects
- A01M1/04—Attracting insects by using illumination or colours
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M1/00—Stationary means for catching or killing insects
- A01M1/24—Arrangements connected with buildings, doors, windows, or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/002—Extruding materials of special alloys so far as the composition of the alloy requires or permits special extruding methods of sequences
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/74—Joining plastics material to non-plastics material
- B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
- B29C66/7422—Aluminium or alloys of aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/18—Alloys based on aluminium with copper as the next major constituent with zinc
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/053—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with zinc as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/057—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with copper as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
- C25D11/24—Chemical after-treatment
- C25D11/246—Chemical after-treatment for sealing layers
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
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Abstract
The invention discloses a corrosion-resistant aluminum alloy door and window and a preparation method thereof, wherein the corrosion-resistant aluminum alloy door and window comprises an aluminum alloy door and window, the aluminum alloy door and window is provided with a glass frame and a window frame, the glass frame is hinged with the window frame, an oxide film, a resin-based composite material layer and a corrosion-resistant coating are sequentially arranged on the surface of the aluminum alloy door and window from inside to outside, and the aluminum alloy door and window comprises the following raw materials: 95-100 parts of aluminum, 1-3 parts of silicon powder, 2-5 parts of zinc powder, 2-5 parts of copper powder, 1-3 parts of magnesium powder, 0.5-1.5 parts of tin powder, 0.5-1.5 parts of strontium powder, 0.5-1.5 parts of manganese powder, 0.5-1.5 parts of iron powder and 0.5-1.5 parts of rare earth elements.
Description
Technical Field
The invention relates to the technical field of aluminum alloy doors and windows, in particular to a corrosion-resistant aluminum alloy door and window and a preparation method thereof.
Background
Aluminum alloys are increasingly widely used in various fields of national economy and national defense construction due to light weight and high specific strength. At present, most door and window materials in the market are mainly aluminum alloy, color steel and PVC materials, and the aluminum alloy is favored by the market due to higher hardness, light weight, no aging, attractive appearance and practicability after color coating, and the market demand is more and more vigorous. However, the strength and the casting performance of the existing aluminum alloy section for doors and windows are often in contradiction, when the alloy strength and the toughness of the aluminum alloy section meet the requirements, the casting performance is poor, and the specific characteristics are that the aluminum alloy section has large hot cracking tendency, poor fluidity and difficult feeding, in addition, the aluminum alloy section with poor casting performance has poor corrosion resistance and intercrystalline corrosion tendency, so that when the aluminum alloy section is used for door and window processing, the cracking condition can occur, and the aluminum alloy door and window processed by using the aluminum alloy section can be corroded when being placed at room temperature for a long time, and the service life of the aluminum alloy door and window is seriously influenced; along with the development of modern industry and national defense, people put forward higher requirements on the quantity and quality of aluminum alloy materials, a certain gap exists between a window frame and a glass frame of an aluminum alloy door window in the actual use process of the aluminum alloy door window, and particularly, when the aluminum alloy door window is used for a long time, rainwater and moisture easily enter a room through the gap in rainy and snowy weather, so that certain influence is brought to daily life; and after the aluminum alloy door and window are used and the door and window are opened, insects and the like in the nature easily fly into a room through the window, the aluminum alloy door and window is single in use function and cannot effectively repel mosquitoes, the aluminum alloy door and window with the traditional structure cannot meet the use requirements of people, and in order to solve the problems, the corrosion-resistant aluminum alloy door and window and the preparation method thereof are designed.
Disclosure of Invention
The invention aims to provide a corrosion-resistant aluminum alloy door and window and a preparation method thereof, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the corrosion-resistant aluminum alloy door and window and the preparation method thereof comprise an aluminum alloy door and window, wherein the aluminum alloy door and window is provided with a glass frame and a window frame, the glass frame is hinged with the window frame, an oxide film, a resin-based composite material layer and a corrosion-resistant coating are sequentially arranged on the surface of the aluminum alloy door and window from inside to outside, and the aluminum alloy door and window comprises the following raw materials in parts by weight: 95-100 parts of aluminum, 1-3 parts of silicon powder, 2-5 parts of zinc powder, 2-5 parts of copper powder, 1-3 parts of magnesium powder, 0.5-1.5 parts of tin powder, 0.5-1.5 parts of strontium powder, 0.5-1.5 parts of manganese powder, 0.5-1.5 parts of iron powder and 0.5-1.5 parts of rare earth elements.
Further, the window frame top is equipped with the fixing base, the fixing base is through pivot articulated connection pole bottom, connecting rod top fixed connection lamp shade outer wall, the inside insecticidal lamp that is equipped with of lamp shade, the battery, the shift knob electric connection of insecticidal lamp and the outside one side of lamp shade, lamp shade bottom both sides fixed connection gag lever post top, gag lever post surface interval is equipped with a plurality of spacing holes, the gag lever post passes spacing hole back fixed connection through the bolt and collects the box, the insecticidal lamp is located indoorly.
Further, the aluminum alloy door and window and the resin-based composite material layer are connected through an adhesive layer.
Furthermore, the rare earth element RE is one or more of La, Ce, Pr, Nd, Er and Y.
Further, the resin-based composite material layer is made of a fiber-reinforced material using an organic polymer as a matrix, and usually a fiber reinforcement such as glass fiber, carbon fiber, basalt fiber, or aramid fiber is used.
Furthermore, a sealing sleeve is arranged on the outer surface of the frame of the glass frame and is made of a water-swelling water stop bar.
Further, the preparation method of the corrosion-resistant aluminum alloy door and window comprises the following steps:
(1) melting: putting an aluminum ingot into a furnace, vacuumizing the furnace to 1 multiplied by 10 < -3 > Pa, introducing argon into the furnace to ensure that the air pressure in the furnace reaches 30 to 40Pa, heating the furnace to 710 ℃ and 730 ℃ to melt the aluminum ingot;
(2) slagging off: removing slag and impurities in the aluminum solution by using a slag remover at the temperature of 700-720 ℃, and cleaning dross and surface oxides on the surface of the aluminum solution;
(3) and (3) heat preservation and standing: transferring the aluminum solution after slagging off into a heat preservation furnace for heat preservation and standing, controlling the heat preservation temperature to be 720-730 ℃ and the heat preservation time to be 20-30 min;
(4) online refining: adding an aluminum-titanium-boron wire into the aluminum solution after standing at the temperature of 720-740 ℃ for online refining, wherein the refining time is 20-30s, and the dosage of the aluminum-titanium-boron wire is 3.0-5.0 kg/t;
(5) preparing an alloy: heating the aluminum solution after online refinement to 750-770 ℃, adding silicon powder, zinc powder, copper powder and magnesium powder according to the formula proportion, uniformly stirring, then adding tin powder, strontium powder, manganese powder and iron powder, finally adding rare earth elements, and uniformly stirring;
(6) refining: adjusting the temperature of the aluminum alloy solution prepared in the step (5) to be 720-plus 740 ℃, spraying a refining agent for refining, then heating to be 750-plus 760 ℃, introducing argon for degassing and refining, and slagging off after refining;
(7) online degassing: enabling the refined aluminum alloy liquid to sequentially flow through a degasser and a foamed ceramic filter plate which are arranged on a flow channel and have the rotating speed of 120-160r/min and the argon flow of 1-3m3/h, and carrying out online degassing and filtering treatment;
(8) casting: in a vacuum casting chamber of the aluminum alloy solution after online degassing, the casting chamber is pumped into a vacuum environment of 0.6-0.8Mpa, the aluminum alloy solution is cooled to the temperature of 620-640 ℃ and cast into a cast ingot for later use, Al5Ti1B is added during casting to refine crystal grains of the cast ingot, online degassing is carried out by adopting a double rotor, and finally the aluminum alloy solution is further purified by adopting a double-stage ceramic filter plate to obtain the cast ingot;
(9) homogenizing and annealing: putting the ingot into an annealing furnace, and carrying out 4 stages of annealing treatment, wherein the first stage of annealing treatment comprises the following steps: the temperature of the ingot is reduced to 460 ℃ and 520 ℃, and the heat preservation time is 0.5-1 h; and (3) annealing treatment at the second stage: continuously cooling the ingot to 350-400 ℃, and keeping the temperature for 12-16 h; annealing treatment in the third stage: continuously cooling to 250 ℃ and 300 ℃, and keeping the temperature for 12-24 h; annealing treatment in the fourth stage: continuously cooling the ingot to 150-;
(10) extrusion molding: preheating an extrusion die and the ingot subjected to homogenizing annealing, and then placing the preheated extrusion die and the ingot subjected to homogenizing annealing on an extruder for extrusion, wherein the preheating temperature of the extrusion die is 380-410 ℃, the preheating time is 2-3h, the preheating temperature of the ingot subjected to homogenizing annealing is 430-450 ℃, the preheating time is 2.5-3.5h, and the extrusion molding is carried out through the die at the extrusion rate of 0.4-0.6mm/s to obtain the aluminum alloy section;
(11) and (3) heat treatment: placing the aluminum alloy section in a heat preservation furnace, preserving heat for 2-3h at the temperature of 370 ℃ plus 330-;
(12) soaking: washing the heat-treated aluminum alloy section, then carrying out degreasing treatment for 20-30min, drying, then carrying out anodic oxidation on the aluminum alloy section in electrolyte to form an oxide film, then carrying out pre-hole sealing treatment, and putting the aluminum alloy section subjected to anodic oxidation into trivalent chromium hole sealing liquid containing nickel ions for hole sealing to enable the hole sealing degree of the oxide film to reach at least 90%; finally, carrying out second-step hole sealing treatment, carrying out hole sealing treatment in an alkaline aqueous solution containing nano-scale particles of acrylic resin and silicon dioxide, then washing and drying to finally form an anodic oxide film subjected to double hole sealing treatment, and soaking for l-2min at room temperature;
(13) hot pressing: coating an adhesive layer on the inner surface of a sheet resin-based composite material layer, then carrying out hot-press molding on the resin-based composite material layer by adopting a hot-press curing process, and packaging the resin-based composite material layer on the surface of an aluminum alloy section, and carrying out high-temperature vacuum degassing treatment; wherein the hot-press forming temperature is 350-; the degassing temperature of the high-temperature vacuum degassing treatment is 540-;
(14) spraying and coloring: and (3) uniformly spraying corrosion-resistant coating (17) on the surface of the aluminum alloy section dried and cooled in the step, and curing for 10-15min at the temperature of 220-250 ℃.
Further, the coating thickness of the resin-based composite material layer, the oxide film and the corrosion-resistant coating is 0.5-10 mm.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, tin powder, strontium powder, manganese powder, iron powder and the like are added into the components of the aluminum alloy door and window, so that the mechanical properties of the aluminum alloy door and window are effectively improved, the tensile strength, corrosion resistance and strength effects of the aluminum alloy door and window are obvious, the casting fluidity of aluminum alloy liquid is improved by adding rare earth elements into the aluminum alloy door and window, and the casting performance of aluminum alloy is improved;
2. according to the aluminum alloy door and window profile, the resin-based composite material layer, the oxide film and the corrosion-resistant coating are arranged, so that the toughness and the processing performance of the aluminum alloy door and window profile are further improved, the surface density of the aluminum alloy door and window profile is improved, and the protective performance is improved;
3. according to the invention, through the arrangement of the rotating shaft, the fixing seat, the connecting rod, the battery, the lampshade, the limiting rod, the insect killing lamp and the collecting box, the functional diversity of the aluminum alloy door and window is increased in the actual use process, mosquitoes are effectively killed through the structure, and the biting and the like are avoided; the frame surface of glass frame is equipped with the seal cover, and the seal cover is made by water-swelling sealing rod, effectively increases the closed leakproofness of aluminum alloy door and window, and it is indoor to reduce rainwater, moisture entering.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the insecticidal lamp according to the present invention;
FIG. 3 is a schematic view of the structure of the surface coating of the aluminum alloy door/window of the present invention.
In the figure: 1. aluminum alloy doors and windows; 2. a glass frame; 3. a window frame; 4. a rotating shaft; 5. a fixed seat; 6. a connecting rod; 7. a battery; 8. a lamp shade; 9. a limiting rod; 10. an insecticidal lamp; 11. a collection box; 12. a limiting hole; 13. a bolt; 14. an adhesive layer; 15. a resin-based composite material layer; 16. an oxide film; 17. and (3) corrosion-resistant coating.
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.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1: the corrosion-resistant aluminum alloy door and window and the preparation method thereof comprise an aluminum alloy door and window, wherein the aluminum alloy door and window is provided with a glass frame and a window frame, the glass frame is hinged with the window frame, an oxide film, a resin-based composite material layer and a corrosion-resistant coating are sequentially arranged on the surface of the aluminum alloy door and window from inside to outside, and the aluminum alloy door and window comprises the following raw materials in parts by weight: 95 parts of aluminum, 1 part of silicon powder, 2 parts of zinc powder, 2 parts of copper powder, 1 part of magnesium powder, 0.5 part of tin powder, 0.5 part of strontium powder, 0.5 part of manganese powder, 0.5 part of iron powder and 0.5 part of rare earth element.
The window frame top is equipped with the fixing base, and the fixing base passes through pivot hinged joint connecting rod bottom, connecting rod top fixed connection lamp shade outer wall, the inside insecticidal lamp that is equipped with of lamp shade, the battery of insecticidal lamp and the outside one side of lamp shade, shift knob electric connection, lamp shade bottom both sides fixed connection gag lever post top, gag lever post surface interval are equipped with a plurality of spacing holes, the gag lever post passes spacing hole back fixed connection through the bolt and collects the box, the insecticidal lamp is located indoorly.
The aluminum alloy door and window and the resin-based composite material layer are connected through an adhesive layer.
The rare earth element RE is La.
The resin-based composite material layer is made of a fiber-reinforced material using an organic polymer as a matrix, and usually a fiber reinforcement such as glass fiber, carbon fiber, basalt fiber, or aramid fiber is used.
The outer surface of the frame of the glass frame is provided with a sealing sleeve which is made of a water-swelling water stop bar.
The preparation method of the corrosion-resistant aluminum alloy door and window comprises the following steps:
(1) melting: putting an aluminum ingot into a furnace, vacuumizing the furnace to 1 multiplied by 10 < -3 > Pa, introducing argon into the furnace to ensure that the air pressure in the furnace reaches 30 to 40Pa, heating the furnace to 710 ℃ and 730 ℃ to melt the aluminum ingot;
(2) slagging off: removing slag and impurities in the aluminum solution by using a slag remover at the temperature of 700-720 ℃, and cleaning dross and surface oxides on the surface of the aluminum solution;
(3) and (3) heat preservation and standing: transferring the aluminum solution after slagging off into a heat preservation furnace for heat preservation and standing, controlling the heat preservation temperature to be 720-730 ℃ and the heat preservation time to be 20-30 min;
(4) online refining: adding an aluminum-titanium-boron wire into the aluminum solution after standing at the temperature of 720-740 ℃ for online refining, wherein the refining time is 20-30s, and the dosage of the aluminum-titanium-boron wire is 3.0-5.0 kg/t;
(5) preparing an alloy: heating the aluminum solution after online refinement to 750-770 ℃, adding silicon powder, zinc powder, copper powder and magnesium powder according to the formula proportion, uniformly stirring, then adding tin powder, strontium powder, manganese powder and iron powder, finally adding rare earth elements, and uniformly stirring;
(6) refining: adjusting the temperature of the aluminum alloy solution prepared in the step (5) to be 720-plus 740 ℃, spraying a refining agent for refining, then heating to be 750-plus 760 ℃, introducing argon for degassing and refining, and slagging off after refining;
(7) online degassing: enabling the refined aluminum alloy liquid to sequentially flow through a degasser and a foamed ceramic filter plate which are arranged on a flow channel and have the rotating speed of 120-160r/min and the argon flow of 1-3m3/h, and carrying out online degassing and filtering treatment;
(8) casting: in a vacuum casting chamber of the aluminum alloy solution after online degassing, the casting chamber is pumped into a vacuum environment of 0.6-0.8Mpa, the aluminum alloy solution is cooled to the temperature of 620-640 ℃ and cast into a cast ingot for later use, Al5Ti1B is added during casting to refine crystal grains of the cast ingot, online degassing is carried out by adopting a double rotor, and finally the aluminum alloy solution is further purified by adopting a double-stage ceramic filter plate to obtain the cast ingot;
(9) homogenizing and annealing: putting the ingot into an annealing furnace, and carrying out 4 stages of annealing treatment, wherein the first stage of annealing treatment comprises the following steps: the temperature of the ingot is reduced to 460 ℃ and 520 ℃, and the heat preservation time is 0.5-1 h; and (3) annealing treatment at the second stage: continuously cooling the ingot to 350-400 ℃, and keeping the temperature for 12-16 h; annealing treatment in the third stage: continuously cooling to 250 ℃ and 300 ℃, and keeping the temperature for 12-24 h; annealing treatment in the fourth stage: continuously cooling the ingot to 150-;
(10) extrusion molding: preheating an extrusion die and the ingot subjected to homogenizing annealing, and then placing the preheated extrusion die and the ingot subjected to homogenizing annealing on an extruder for extrusion, wherein the preheating temperature of the extrusion die is 380-410 ℃, the preheating time is 2-3h, the preheating temperature of the ingot subjected to homogenizing annealing is 430-450 ℃, the preheating time is 2.5-3.5h, and the extrusion molding is carried out through the die at the extrusion rate of 0.4-0.6mm/s to obtain the aluminum alloy section;
(11) and (3) heat treatment: placing the aluminum alloy section in a heat preservation furnace, preserving heat for 2-3h at the temperature of 370 ℃ plus 330-;
(12) soaking: washing the heat-treated aluminum alloy section, then carrying out degreasing treatment for 20-30min, drying, then carrying out anodic oxidation on the aluminum alloy section in electrolyte to form an oxide film, then carrying out pre-hole sealing treatment, and putting the aluminum alloy section subjected to anodic oxidation into trivalent chromium hole sealing liquid containing nickel ions for hole sealing to enable the hole sealing degree of the oxide film to reach at least 90%; finally, carrying out second-step hole sealing treatment, carrying out hole sealing treatment in an alkaline aqueous solution containing nano-scale particles of acrylic resin and silicon dioxide, then washing and drying to finally form an anodic oxide film subjected to double hole sealing treatment, and soaking for l-2min at room temperature;
(13) hot pressing: coating an adhesive layer on the inner surface of a sheet resin-based composite material layer, then carrying out hot-press molding on the resin-based composite material layer by adopting a hot-press curing process, and packaging the resin-based composite material layer on the surface of an aluminum alloy section, and carrying out high-temperature vacuum degassing treatment; wherein the hot-press forming temperature is 350-; the degassing temperature of the high-temperature vacuum degassing treatment is 540-;
(14) spraying and coloring: and (3) uniformly spraying corrosion-resistant coating (17) on the surface of the aluminum alloy section dried and cooled in the step, and curing for 10-15min at the temperature of 220-250 ℃.
The coating thickness of the resin-based composite material layer, the oxide film and the corrosion-resistant coating is 0.5-10 mm.
The working principle is as follows: in the actual use process of the aluminum alloy door and window 1, after the glass frame 2 of the aluminum alloy door and window 1 is opened and closed, in the season of high temperature and more mosquitoes, the opening button of the insect killing lamp 10 is pressed, the insect killing lamp 10 is utilized to effectively kill the mosquitoes and avoid biting and the like; in the process of installing the lampshade 8, the collecting box 11 can be assembled according to the installation requirement, and the collecting box 11 is fixedly connected after the bolt 13 penetrates through the limiting hole 12 on the limiting rod 9; the sealing sleeve is arranged on the outer surface of the frame of the glass frame 2 and is made of a water-swelling water stop strip, so that the sealing performance of the closed aluminum alloy door and window 1 is effectively improved, and rainwater and moisture are prevented from entering a room; according to the invention, tin powder, strontium powder, manganese powder, iron powder and the like are added into the components of the aluminum alloy door and window 1, so that the mechanical properties of the aluminum alloy door and window 1 are effectively improved, the tensile strength, corrosion resistance and strength effects of the aluminum alloy door and window 1 are obvious, and the aluminum alloy door and window 1 improves the casting fluidity of aluminum alloy liquid and the casting property of aluminum alloy by adding rare earth elements; according to the aluminum alloy door and window profile, the resin-based composite material layer 15, the oxide film 16 and the corrosion-resistant coating 17 are arranged, so that the toughness and the process performance of the aluminum alloy door and window profile are further improved, the surface density of the aluminum alloy door and window 1 is improved, and the protective performance is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a corrosion-resistant aluminum alloy door and window, includes aluminum alloy door and window (1), its characterized in that, aluminum alloy door and window (1) are equipped with glass frame (2) and window frame (3), glass frame (2) hinge window frame (3), aluminum alloy door and window (1) surface is equipped with oxide film (16), resin-based composite layer (15) and corrosion-resistant coating (17) from inside to outside in proper order, aluminum alloy door and window (1) includes the raw materials of following parts by weight: 95-100 parts of aluminum, 1-3 parts of silicon powder, 2-5 parts of zinc powder, 2-5 parts of copper powder, 1-3 parts of magnesium powder, 0.5-1.5 parts of tin powder, 0.5-1.5 parts of strontium powder, 0.5-1.5 parts of manganese powder, 0.5-1.5 parts of iron powder and 0.5-1.5 parts of rare earth elements.
2. The corrosion-resistant aluminum alloy door and window according to claim 1, wherein: window frame (3) top is equipped with fixing base (5), fixing base (5) are through pivot (4) articulated connecting rod (6) bottom, connecting rod (6) top fixed connection lamp shade (8) outer wall, lamp shade (8) inside is equipped with insecticidal lamp (10), battery (7), shift knob electric connection of insecticidal lamp (10) and outside one side of lamp shade (8), lamp shade (8) bottom both sides fixed connection gag lever post (9) top, gag lever post (9) surface interval is equipped with a plurality of spacing holes (12), gag lever post (9) pass spacing hole (12) after fixed connection through bolt (13) and collect box (11), insecticidal lamp (10) are located indoorly.
3. The corrosion-resistant aluminum alloy door and window according to claim 1, wherein: the aluminum alloy door and window (1) and the resin-based composite material layer (15) are connected through the bonding layer (14).
4. The corrosion-resistant aluminum alloy door and window according to claim 1, wherein: the rare earth element RE is one or more of La, Ce, Pr, Nd, Er and Y.
5. The corrosion-resistant aluminum alloy door and window according to claim 1, wherein: the resin-based composite material layer (15) is made of a fiber-reinforced material using an organic polymer as a matrix, and usually a fiber reinforcement such as glass fiber, carbon fiber, basalt fiber, or aramid fiber is used.
6. The corrosion-resistant aluminum alloy door and window according to claim 1, wherein: the outer surface of the frame of the glass frame (2) is provided with a sealing sleeve, and the sealing sleeve is made of a water-swelling water stop bar.
7. The method for preparing corrosion-resistant aluminum alloy door and window according to any one of claims 1 to 6, comprising the following steps:
(1) melting: putting an aluminum ingot into a furnace, vacuumizing the furnace to 1 multiplied by 10 < -3 > Pa, introducing argon into the furnace to ensure that the air pressure in the furnace reaches 30 to 40Pa, heating the furnace to 710 ℃ and 730 ℃ to melt the aluminum ingot;
(2) slagging off: removing slag and impurities in the aluminum solution by using a slag remover at the temperature of 700-720 ℃, and cleaning dross and surface oxides on the surface of the aluminum solution;
(3) and (3) heat preservation and standing: transferring the aluminum solution after slagging off into a heat preservation furnace for heat preservation and standing, controlling the heat preservation temperature to be 720-730 ℃ and the heat preservation time to be 20-30 min;
(4) online refining: adding an aluminum-titanium-boron wire into the aluminum solution after standing at the temperature of 720-740 ℃ for online refining, wherein the refining time is 20-30s, and the dosage of the aluminum-titanium-boron wire is 3.0-5.0 kg/t;
(5) preparing an alloy: heating the aluminum solution after online refinement to 750-770 ℃, adding silicon powder, zinc powder, copper powder and magnesium powder according to the formula proportion, uniformly stirring, then adding tin powder, strontium powder, manganese powder and iron powder, finally adding rare earth elements, and uniformly stirring;
(6) refining: adjusting the temperature of the aluminum alloy solution prepared in the step (5) to be 720-plus 740 ℃, spraying a refining agent for refining, then heating to be 750-plus 760 ℃, introducing argon for degassing and refining, and slagging off after refining;
(7) online degassing: enabling the refined aluminum alloy liquid to sequentially flow through a degasser and a foamed ceramic filter plate which are arranged on a flow channel and have the rotating speed of 120-160r/min and the argon flow of 1-3m3/h, and carrying out online degassing and filtering treatment;
(8) casting: in a vacuum casting chamber of the aluminum alloy solution after online degassing, the casting chamber is pumped into a vacuum environment of 0.6-0.8Mpa, the aluminum alloy solution is cooled to the temperature of 620-640 ℃ and cast into a cast ingot for later use, Al5Ti1B is added during casting to refine crystal grains of the cast ingot, online degassing is carried out by adopting a double rotor, and finally the aluminum alloy solution is further purified by adopting a double-stage ceramic filter plate to obtain the cast ingot;
(9) homogenizing and annealing: putting the ingot into an annealing furnace, and carrying out 4 stages of annealing treatment, wherein the first stage of annealing treatment comprises the following steps: the temperature of the ingot is reduced to 460 ℃ and 520 ℃, and the heat preservation time is 0.5-1 h; and (3) annealing treatment at the second stage: continuously cooling the ingot to 350-400 ℃, and keeping the temperature for 12-16 h; annealing treatment in the third stage: continuously cooling to 250 ℃ and 300 ℃, and keeping the temperature for 12-24 h; annealing treatment in the fourth stage: continuously cooling the ingot to 150-;
(10) extrusion molding: preheating an extrusion die and the ingot subjected to homogenizing annealing, and then placing the preheated extrusion die and the ingot subjected to homogenizing annealing on an extruder for extrusion, wherein the preheating temperature of the extrusion die is 380-410 ℃, the preheating time is 2-3h, the preheating temperature of the ingot subjected to homogenizing annealing is 430-450 ℃, the preheating time is 2.5-3.5h, and the extrusion molding is carried out through the die at the extrusion rate of 0.4-0.6mm/s to obtain the aluminum alloy section;
(11) and (3) heat treatment: placing the aluminum alloy section in a heat preservation furnace, preserving heat for 2-3h at the temperature of 370 ℃ plus 330-;
(12) soaking: washing the heat-treated aluminum alloy section, then carrying out degreasing treatment for 20-30min, drying, then carrying out anodic oxidation on the aluminum alloy section in electrolyte to form an oxide film (16), then carrying out pre-hole sealing treatment, and putting the anodized aluminum alloy section into trivalent chromium hole sealing liquid containing nickel ions for hole sealing to enable the hole sealing degree of the oxide film (16) to reach at least 90%; finally, carrying out second-step hole sealing treatment, carrying out hole sealing treatment in an alkaline aqueous solution containing nano-scale particles of acrylic resin and silicon dioxide, then washing and drying to finally form an anodic oxide film subjected to double hole sealing treatment, and soaking for l-2min at room temperature;
(13) hot pressing: coating an adhesive layer (14) on the inner surface of a sheet resin-based composite material layer (15), then adopting a hot-press curing process to hot-press and package the resin-based composite material layer (15) on the surface of an aluminum alloy section, and carrying out high-temperature vacuum degassing treatment; wherein the hot-press forming temperature is 350-; the degassing temperature of the high-temperature vacuum degassing treatment is 540-;
(14) spraying and coloring: and (3) uniformly spraying corrosion-resistant coating (17) on the surface of the aluminum alloy section dried and cooled in the step, and curing for 10-15min at the temperature of 220-250 ℃.
8. The corrosion-resistant aluminum alloy door and window and the preparation method thereof as claimed in claim 7, wherein the resin-based composite material layer (15), the oxide film (16) and the corrosion-resistant paint (17) are coated to a thickness of 0.5-10 mm.
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| CN113638670A (en) * | 2021-10-14 | 2021-11-12 | 南通海鹰门窗安装工程有限公司 | Environment-friendly aluminum alloy door and window with high-efficient waterproof performance |
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