CN104789829B - A kind of spraying wood grain aluminium alloy extrusions - Google Patents

A kind of spraying wood grain aluminium alloy extrusions Download PDF

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CN104789829B
CN104789829B CN201410239249.8A CN201410239249A CN104789829B CN 104789829 B CN104789829 B CN 104789829B CN 201410239249 A CN201410239249 A CN 201410239249A CN 104789829 B CN104789829 B CN 104789829B
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intermediate alloys
temperature
ingot
pvdf
wood grain
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CN104789829A (en
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银士宝
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ANHUI XIN FA ALUMINUM PRODUCTS Co Ltd
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ANHUI XIN FA ALUMINUM PRODUCTS Co Ltd
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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
    • C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
    • C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
    • 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
    • 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
    • C22C1/03—Making non-ferrous alloys by melting using master alloys
    • 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
    • C22F1/047—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 magnesium as the next major constituent

Abstract

The invention discloses a kind of spraying wood grain aluminium alloy extrusions, are related to metal material field, the aluminium alloy extrusions constituent includes by weight percentage：Mg：0.75‑0.90；Si：0.5‑0.6；Cu：0.10‑0.14；Mn：0.20‑0.25；Ti：0‑0.1；Cr：0‑0.1；Fe：0.1‑0.3；Zn：0.20‑0.28；Surplus is Al.Heretofore described aluminium alloy extrusions material is optimized by the way that alloying component is optimized, and to melting and casting, homogenization, extruding, heat treatment, treatment in production technology, effectively improves the mechanical performance of section bar and surface layer film quality.

Description

A kind of spraying wood grain aluminium alloy extrusions
Technical field
The present invention relates to metal material field more particularly to a kind of spraying wood grain aluminium alloy extrusions.
Background technology
Sliding window advantage is succinct, beautiful, window width is big, glass blocks is big, unobscured, daylight rate is high, the convenience that cleans the windows, is made With it is flexible, safe and reliable, service life is long, opens in a plane, it is few to occupy space, and installation screen window facilitates.Current door Most popular in window is exactly sliding window, due to aluminium alloy extrusions relative to other mental sections with light weight, beautiful warp The advantages of Ji, sliding window is mainly using aluminium alloy extrusions making at present.In the prior art, the performance of aluminium alloy extrusions does not reach yet To optimal, still need constantly to be improved.
Therefore, how by optimizing Production technology of aluminum alloy sectional bar, a kind of excellent aluminium alloy extrusions is obtained, preferably completely The requirement of sufficient sliding window is current urgent problem to be solved.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of spraying wood grain aluminium alloy extrusions, realize The optimization of Production technology of aluminum alloy sectional bar, has excellent performance.
The invention discloses a kind of spraying wood grain aluminium alloy extrusions, composition component includes by weight percentage：Mg： 0.75-0.90；Si：0.5-0.6；Cu：0.10-0.14；Mn：0.20-0.25；Ti：0-0.1；Cr：0-0.1；Fe：0.1-0.3； Zn：0.20-0.28；Surplus is Al, and is prepared according to the following steps：
S1：Melting and casting：Aluminium ingot, magnesium ingot, zinc ingot metal, chromium ingot, Al-10%Si intermediate alloys, Al- are weighed according to constituent 50%Cu intermediate alloys and Al-10%Mn intermediate alloys, using Al-5%Ti-1%B as grain refiner, aluminium ingot is added in It in smelting furnace and is heated to 750-780 DEG C and is allowed to after being completely melt, by being closed among Al-10%Si intermediate alloys, Al-50%Cu Gold, Al-10%Mn intermediate alloys, Cr, Zn, Mg, Al-5%Ti-1%B grain refiner sequence sequentially add each material, treat each After material is completely melt, 30-60min is kept the temperature at 750-760 DEG C, obtains alloy melt, and poured into a mould, after alloy melt solidification Die sinking, and by ingot casting water cooling to room temperature, it is each to expect that fusion process carries out in sealing space, in fusion process, using carbon trichloride As degasifier, and multiple degasification is carried out except slag operation；
S2：It squeezes：The ladle barrow obtained in S1 is removed into crust, is squeezed on a hydraulic press, squeeze before to extrusion cylinder, squeeze Pressing mold and ingot casting are heated, and treat that section bar is cooled to 50 DEG C hereinafter, carrying out tension straingtening to section bar after the completion of squeezing, extrusion cylinder adds Hot mode is：After being warming up to 95-105 DEG C and keeping the temperature 0.5-1h, after being warming up to 195-205 DEG C and keeping the temperature 0.5-1h, it is warming up to 295-305 DEG C and after keeping the temperature 0.5-1h, after being warming up to 395-405 DEG C and keeping the temperature 0.5-1h, 450-480 DEG C is warming up to, extrusion die It is positioned over heat preservation 4-8h in 450-500 DEG C of holding furnace to be heated, ingot casting is positioned in 450-520 DEG C of holding furnace and keeps the temperature 1- 2h is heated, wherein, the deflection of tension straingtening is 1-3%, extruding rate 8-40m/min；
S3：Treatment：The section bar for the heat treatment completed in S2 is sprayed according to cleaning → degreasing → PVDF fluorine carbon dust The processing route that → cooling → PVDF fluorine carbon renders complexion powder spray → liquid PVDF F-C paint wood grain roll printings carries out surface layer Reason, wherein, in PVDF fluorine carbon dust spraying process, PVDF fluorine carbon dusts are covered in by Surface of profile using electrostatic spraying, are passed through 145-155 DEG C/13-17min is baked to Surface of profile and forms gelatinization state；PVDF fluorine carbon is rendered in complexion powder painting process, PVDF fluorine carbon dust is vertically brushed in Surface of profile using nylon wood grain brush, is toasted through 145-155 DEG C/13-17min, forms glue Change state；During liquid PVDF F-C paint wood grain roll printings, by wood grain generator by liquid PVDF F-C paints in Surface of profile Wood grain spraying is carried out, is toasted through 210-230 DEG C/35-45min.
Preferably, in constituent, the mass ratio of Mg and Si are (1.2-1.5):1.
Preferably, in step sl, addition Al-10%Si intermediate alloys, Al-50%Cu intermediate alloys, Al-10%Mn, When Cr, Zn, Mg, Al-5%Ti-1%B grain refiner, carry out degasification and remove slag operation.
In the present invention, the spraying wood grain aluminium alloy extrusions of proposition by optimizing components, improve by production technology, improves aluminium conjunction The comprehensive performance of metal type material, compared with prior art, specific advantage are as follows：
1st, alloying component is optimized, improves the content of Mg elements and Si elements in alloy, and suitably improve The content of Mn elements, Cu elements and Zn elements；Due to Mg2Si phases are the main hardening constituents in Al-Mg-Si system alloy, number Amount, the influence of size and form to alloy property are very big, by improving the content of Mg elements and Si elements in alloy, can improve Mg in alloy2The content of Si phases, so as to which the promotion for final alloy strength lays the foundation, the addition of suitable Zn helps to improve The final strength of alloy, meanwhile, the addition of a small amount of Cu can generate CuAl2Phase and Cu3Al2Phase, both mutually have the timeliness strong Change effect, contribute to the raising of final alloy strength；The addition of suitable Mn elements makes ingot casting after follow-up Homogenization Treatments, Acicular beta-Al9FeSi phase transition is granular α-Al15(FeMn)3Si2Disperse phase, it is relatively alloy properties so as to eliminate coarse acicular crystal Can adverse effect, reduce Impurity Fe to the adverse effect of material property, improve the moulding of alloy, meanwhile, granular α-Al15 (FeMn)3Si2Disperse phase particle can also prevent recrystallization of the alloy in subsequent thermal extrusion process used for forming, and promote timeliness mistake Mg in journey2The precipitation of Si phases refines recrystal grain, and Mn can also expand the hardening heat upper limit, increase the solid solubility of alloying element, So as to improve alloy comprehensive performance；
2nd, production technology is improved, passes through the optimization to smelting technology so that each alloying element is realized good Fusion, by the optimization to extrusion process, further improves the yield rate of alloy, by the optimization to treatment technique, Alloy surface pattern and state are improved, improves the stability of face coat, reduces the difficulty of daily cleaning maintenance, is promoted The corrosion resistance of alloy.
Specific embodiment
The present invention is described in detail with reference to specific example, it should be appreciated that embodiment is served only for illustrating the present invention, Rather than for limiting the invention, any modification made on the basis of the present invention, equivalent replacement etc. are in the present invention Protection domain in.
Spraying wood grain aluminium alloy extrusions disclosed in this invention, the composition proportion (weight percent) of ingot casting in each embodiment Testing result is as shown in table 1：
Mg Si Cu Mn Cr Ti Zn Fe Al
Embodiment 1 0.9 0.6 0.10 0.22 0.10 0.08 0.26 0.2 Surplus
Embodiment 2 0.75 0.5 0.14 0.25 0.10 0.06 0.20 0.2 Surplus
Embodiment 3 0.80 0.52 0.12 0.20 0.08 0.07 0.22 0.2 Surplus
Embodiment 4 0.82 0.55 0.10 0.23 0.07 0.08 0.28 0.21 Surplus
Embodiment 5 0.85 0.58 0.12 0.20 0.06 0.08 0.27 0.18 Surplus
Embodiment 6 0.83 0.56 0.13 0.24 0.07 0.06 0.25 0.22 Surplus
Each embodiment preparation method is as follows：
Embodiment 1
S1：Melting and casting：Aluminium ingot, magnesium ingot, zinc ingot metal, chromium ingot, Al-10%Si intermediate alloys, Al- are weighed according to constituent 50%Cu intermediate alloys and Al-10%Mn intermediate alloys, using Al-5%Ti-1%B as grain refiner, aluminium ingot is added in It in smelting furnace and is heated to 780 DEG C and is allowed to after being completely melt, by Al-10%Si intermediate alloys, Al-50%Cu intermediate alloys, Al- 10%Mn intermediate alloys, Cr, Zn, Mg, Al-5%Ti-1%B grain refiner sequence sequentially add each material, treat that each material is complete After fusing, 30min are kept the temperature at 760 DEG C, obtain alloy melt, and poured into a mould, molded, and by ingot casting after alloy melt solidification Water cooling to room temperature, respectively material fusion process carries out in sealing space, in fusion process, using carbon trichloride as degasifier, and Multiple degasification is carried out except slag operation, wherein, in addition Al-10%Si intermediate alloys, Al-50%Cu intermediate alloys, Al-10%Mn Between alloy, Cr, Zn, Mg, Al-5%Ti-1%B grain refiner when, carry out degasification remove slag operation；
S2：It squeezes：The ingot homogenization rear car obtained in S1 is removed into crust, is squeezed on a hydraulic press, it is right before extruding Extrusion cylinder, extrusion die and ingot casting are heated, and treat that section bar is cooled to 50 DEG C hereinafter, carrying out tension straingtening to section bar after the completion of squeezing Afterwards, it is heat-treated, extrusion cylinder mode of heating is：After being warming up to 100 DEG C and keeping the temperature 0.7h, it is warming up to 200 DEG C and keeps the temperature 0.7h Afterwards, after being warming up to 300 DEG C and keeping the temperature 0.7h, after being warming up to 400 DEG C and keeping the temperature 0.7h, 465 DEG C are warming up to, extrusion die is positioned over 6h is kept the temperature in 470 DEG C of holding furnace to be heated, ingot casting is positioned over heat preservation 1.5h in 500 DEG C of holding furnace and is heated, wherein, The deflection of tension straingtening is 2%, extruding rate 24m/min；
S3：Treatment：The section bar for the heat treatment completed in S2 is sprayed according to cleaning → degreasing → PVDF fluorine carbon dust The processing route that → cooling → PVDF fluorine carbon renders complexion powder spray → liquid PVDF F-C paint wood grain roll printings carries out surface layer Reason, wherein, in PVDF fluorine carbon dust spraying process, PVDF fluorine carbon dusts are covered in by Surface of profile using electrostatic spraying, through 150 DEG C/15min be baked to Surface of profile formed gelatinization state；PVDF fluorine carbon is rendered in complexion powder painting process, using nylon wood Line brush vertically brushes PVDF fluorine carbon dust in Surface of profile, is toasted through 150 DEG C/15min, forms gelatinization state；Liquid PVDF fluorine During carbon grainer roll printing, liquid PVDF F-C paints are carried out by wood grain spraying in Surface of profile by wood grain generator, through 220 DEG C/40min bakings.
Embodiment 2
S1：Melting and casting：Aluminium ingot, magnesium ingot, zinc ingot metal, chromium ingot, Al-10%Si intermediate alloys, Al- are weighed according to constituent 50%Cu intermediate alloys and Al-10%Mn intermediate alloys, using Al-5%Ti-1%B as grain refiner, aluminium ingot is added in It in smelting furnace and is heated to 750 DEG C and is allowed to after being completely melt, by Al-10%Si intermediate alloys, Al-50%Cu intermediate alloys, Al- 10%Mn intermediate alloys, Cr, Zn, Mg, Al-5%Ti-1%B grain refiner sequence sequentially add each material, treat that each material is complete After fusing, 60min are kept the temperature at 750 DEG C, obtain alloy melt, and poured into a mould, molded, and by ingot casting after alloy melt solidification Water cooling to room temperature, respectively material fusion process carries out in sealing space, in fusion process, using carbon trichloride as degasifier, and Multiple degasification is carried out except slag operation, wherein, in addition Al-10%Si intermediate alloys, Al-50%Cu intermediate alloys, Al-10%Mn Between alloy, Cr, Zn, Mg, Al-5%Ti-1%B grain refiner when, carry out degasification remove slag operation；
S2：It squeezes：The ingot homogenization rear car obtained in S1 is removed into crust, is squeezed on a hydraulic press, it is right before extruding Extrusion cylinder, extrusion die and ingot casting are heated, and treat that section bar is cooled to 50 DEG C hereinafter, carrying out tension straingtening to section bar after the completion of squeezing Afterwards, it is heat-treated, extrusion cylinder mode of heating is：After being warming up to 95 DEG C and keeping the temperature 1h, after being warming up to 195 DEG C and keeping the temperature 1h, rise Temperature is to 295 DEG C and after keeping the temperature 1h, after being warming up to 395 DEG C and keeping the temperature 1h, is warming up to 450 DEG C, extrusion die is positioned over 450 DEG C of heat preservation 8h is kept the temperature in stove to be heated, ingot casting is positioned over heat preservation 1.2h in 460 DEG C of holding furnace and is heated, wherein, tension straingtening Deflection is 1.2%, extruding rate 10m/min；
S3：Treatment：The section bar for the heat treatment completed in S2 is sprayed according to cleaning → degreasing → PVDF fluorine carbon dust The processing route that → cooling → PVDF fluorine carbon renders complexion powder spray → liquid PVDF F-C paint wood grain roll printings carries out surface layer Reason, wherein, in PVDF fluorine carbon dust spraying process, PVDF fluorine carbon dusts are covered in by Surface of profile using electrostatic spraying, through 145 DEG C/17min be baked to Surface of profile formed gelatinization state；PVDF fluorine carbon is rendered in complexion powder painting process, using nylon wood Line brush vertically brushes PVDF fluorine carbon dust in Surface of profile, is toasted through 145 DEG C/17min, forms gelatinization state；Liquid PVDF fluorine During carbon grainer roll printing, liquid PVDF F-C paints are carried out by wood grain spraying in Surface of profile by wood grain generator, through 210 DEG C/45min bakings.
Embodiment 3
S1：Melting and casting：Aluminium ingot, magnesium ingot, zinc ingot metal, chromium ingot, Al-10%Si intermediate alloys, Al- are weighed according to constituent 50%Cu intermediate alloys and Al-10%Mn intermediate alloys, using Al-5%Ti-1%B as grain refiner, aluminium ingot is added in It in smelting furnace and is heated to 760 DEG C and is allowed to after being completely melt, by Al-10%Si intermediate alloys, Al-50%Cu intermediate alloys, Al- 10%Mn intermediate alloys, Cr, Zn, Mg, Al-5%Ti-1%B grain refiner sequence sequentially add each material, treat that each material is complete After fusing, 50min are kept the temperature at 760 DEG C, obtain alloy melt, and poured into a mould, molded, and by ingot casting after alloy melt solidification Water cooling to room temperature, respectively material fusion process carries out in sealing space, in fusion process, using carbon trichloride as degasifier, and Multiple degasification is carried out except slag operation, wherein, in addition Al-10%Si intermediate alloys, Al-50%Cu intermediate alloys, Al-10%Mn Between alloy, Cr, Zn, Mg, Al-5%Ti-1%B grain refiner when, carry out degasification remove slag operation；
S2：It squeezes：The ingot homogenization rear car obtained in S1 is removed into crust, is squeezed on a hydraulic press, it is right before extruding Extrusion cylinder, extrusion die and ingot casting are heated, and treat that section bar is cooled to 50 DEG C hereinafter, carrying out tension straingtening to section bar after the completion of squeezing Afterwards, it is heat-treated, extrusion cylinder mode of heating is：After being warming up to 101 DEG C and keeping the temperature 0.8h, it is warming up to 199 DEG C and keeps the temperature 0.9h Afterwards, after being warming up to 301 DEG C and keeping the temperature 0.7h, after being warming up to 401 DEG C and keeping the temperature 0.6h, 470 DEG C are warming up to, extrusion die is positioned over 5h is kept the temperature in 490 DEG C of holding furnace to be heated, ingot casting is positioned over heat preservation 1.7h in 500 DEG C of holding furnace and is heated, wherein, The deflection of tension straingtening is 1.6%, extruding rate 30m/min；
S3：Treatment：The section bar for the heat treatment completed in S2 is sprayed according to cleaning → degreasing → PVDF fluorine carbon dust The processing route that → cooling → PVDF fluorine carbon renders complexion powder spray → liquid PVDF F-C paint wood grain roll printings carries out surface layer Reason, wherein, in PVDF fluorine carbon dust spraying process, PVDF fluorine carbon dusts are covered in by Surface of profile using electrostatic spraying, through 155 DEG C/13min be baked to Surface of profile formed gelatinization state；PVDF fluorine carbon is rendered in complexion powder painting process, using nylon wood Line brush vertically brushes PVDF fluorine carbon dust in Surface of profile, is toasted through 155 DEG C/13min, forms gelatinization state；Liquid PVDF fluorine During carbon grainer roll printing, liquid PVDF F-C paints are carried out by wood grain spraying in Surface of profile by wood grain generator, through 230 DEG C/35min bakings.
Embodiment 4
S1：Melting and casting：Aluminium ingot, magnesium ingot, zinc ingot metal, chromium ingot, Al-10%Si intermediate alloys, Al- are weighed according to constituent 50%Cu intermediate alloys and Al-10%Mn intermediate alloys, using Al-5%Ti-1%B as grain refiner, aluminium ingot is added in It in smelting furnace and is heated to 770 DEG C and is allowed to after being completely melt, by Al-10%Si intermediate alloys, Al-50%Cu intermediate alloys, Al- 10%Mn intermediate alloys, Cr, Zn, Mg, Al-5%Ti-1%B grain refiner sequence sequentially add each material, treat that each material is complete After fusing, 40min are kept the temperature at 760 DEG C, obtain alloy melt, and poured into a mould, molded, and by ingot casting after alloy melt solidification Water cooling to room temperature, respectively material fusion process carries out in sealing space, in fusion process, using carbon trichloride as degasifier, and Multiple degasification is carried out except slag operation, wherein, in addition Al-10%Si intermediate alloys, Al-50%Cu intermediate alloys, Al-10%Mn Between alloy, Cr, Zn, Mg, Al-5%Ti-1%B grain refiner when, carry out degasification remove slag operation；
S2：It squeezes：The ingot homogenization rear car obtained in S1 is removed into crust, is squeezed on a hydraulic press, it is right before extruding Extrusion cylinder, extrusion die and ingot casting are heated, and treat that section bar is cooled to 50 DEG C hereinafter, carrying out tension straingtening to section bar after the completion of squeezing Afterwards, it is heat-treated, extrusion cylinder mode of heating is：After being warming up to 103 DEG C and keeping the temperature 0.6h, it is warming up to 202 DEG C and keeps the temperature 0.63h Afterwards, after being warming up to 301 DEG C and keeping the temperature 0.5h, after being warming up to 403 DEG C and keeping the temperature 0.7h, 460 DEG C are warming up to, extrusion die is positioned over 5h is kept the temperature in 470 DEG C of holding furnace to be heated, ingot casting is positioned over heat preservation 1.3h in 480 DEG C of holding furnace and is heated, wherein, The deflection of tension straingtening is 1.5%, extruding rate 20m/min；
S3：Treatment：The section bar for the heat treatment completed in S2 is sprayed according to cleaning → degreasing → PVDF fluorine carbon dust The processing route that → cooling → PVDF fluorine carbon renders complexion powder spray → liquid PVDF F-C paint wood grain roll printings carries out surface layer Reason, wherein, in PVDF fluorine carbon dust spraying process, PVDF fluorine carbon dusts are covered in by Surface of profile using electrostatic spraying, through 147 DEG C/16min be baked to Surface of profile formed gelatinization state；PVDF fluorine carbon is rendered in complexion powder painting process, using nylon wood Line brush vertically brushes PVDF fluorine carbon dust in Surface of profile, is toasted through 148 DEG C/15min, forms gelatinization state；Liquid PVDF fluorine During carbon grainer roll printing, liquid PVDF F-C paints are carried out by wood grain spraying in Surface of profile by wood grain generator, through 215 DEG C/37min bakings.
Embodiment 5
S1：Melting and casting：Aluminium ingot, magnesium ingot, zinc ingot metal, chromium ingot, Al-10%Si intermediate alloys, Al- are weighed according to constituent 50%Cu intermediate alloys and Al-10%Mn intermediate alloys, using Al-5%Ti-1%B as grain refiner, aluminium ingot is added in It in smelting furnace and is heated to 760 DEG C and is allowed to after being completely melt, by Al-10%Si intermediate alloys, Al-50%Cu intermediate alloys, Al- 10%Mn intermediate alloys, Cr, Zn, Mg, Al-5%Ti-1%B grain refiner sequence sequentially add each material, treat that each material is complete After fusing, 50min are kept the temperature at 750 DEG C, obtain alloy melt, and poured into a mould, molded, and by ingot casting after alloy melt solidification Water cooling to room temperature, respectively material fusion process carries out in sealing space, in fusion process, using carbon trichloride as degasifier, and Multiple degasification is carried out except slag operation, wherein, in addition Al-10%Si intermediate alloys, Al-50%Cu intermediate alloys, Al-10%Mn Between alloy, Cr, Zn, Mg, Al-5%Ti-1%B grain refiner when, carry out degasification remove slag operation；
S2：It squeezes：The ingot homogenization rear car obtained in S1 is removed into crust, is squeezed on a hydraulic press, it is right before extruding Extrusion cylinder, extrusion die and ingot casting are heated, and treat that section bar is cooled to 50 DEG C hereinafter, carrying out tension straingtening to section bar after the completion of squeezing Afterwards, it is heat-treated, extrusion cylinder mode of heating is：After being warming up to 105 DEG C and keeping the temperature 0.5h, it is warming up to 205 DEG C and keeps the temperature 0.5h Afterwards, after being warming up to 305 DEG C and keeping the temperature 0.5h, after being warming up to 405 DEG C and keeping the temperature 0.5h, 480 DEG C are warming up to, extrusion die is positioned over 4h is kept the temperature in 500 DEG C of holding furnace to be heated, ingot casting is positioned over heat preservation 2h in 450 DEG C of holding furnace and is heated, wherein, it draws The deflection for stretching aligning is 1%, extruding rate 40m/min；
S3：Treatment：The section bar for the heat treatment completed in S2 is sprayed according to cleaning → degreasing → PVDF fluorine carbon dust The processing route that → cooling → PVDF fluorine carbon renders complexion powder spray → liquid PVDF F-C paint wood grain roll printings carries out surface layer Reason, wherein, in PVDF fluorine carbon dust spraying process, PVDF fluorine carbon dusts are covered in by Surface of profile using electrostatic spraying, through 153 DEG C/14min be baked to Surface of profile formed gelatinization state；PVDF fluorine carbon is rendered in complexion powder painting process, using nylon wood Line brush vertically brushes PVDF fluorine carbon dust in Surface of profile, is toasted through 152 DEG C/14min, forms gelatinization state；Liquid PVDF fluorine During carbon grainer roll printing, liquid PVDF F-C paints are carried out by wood grain spraying in Surface of profile by wood grain generator, through 225 DEG C/42min bakings.
Embodiment 6
S1：Melting and casting：Aluminium ingot, magnesium ingot, zinc ingot metal, chromium ingot, Al-10%Si intermediate alloys, Al- are weighed according to constituent 50%Cu intermediate alloys and Al-10%Mn intermediate alloys, using Al-5%Ti-1%B as grain refiner, aluminium ingot is added in It in smelting furnace and is heated to 770 DEG C and is allowed to after being completely melt, by Al-10%Si intermediate alloys, Al-50%Cu intermediate alloys, Al- 10%Mn intermediate alloys, Cr, Zn, Mg, Al-5%Ti-1%B grain refiner sequence sequentially add each material, treat that each material is complete After fusing, 45min are kept the temperature at 755 DEG C, obtain alloy melt, and poured into a mould, molded, and by ingot casting after alloy melt solidification Water cooling to room temperature, respectively material fusion process carries out in sealing space, in fusion process, using carbon trichloride as degasifier, and Multiple degasification is carried out except slag operation, wherein, in addition Al-10%Si intermediate alloys, Al-50%Cu intermediate alloys, Al-10%Mn Between alloy, Cr, Zn, Mg, Al-5%Ti-1%B grain refiner when, carry out degasification remove slag operation；
S2：It squeezes：The ingot homogenization rear car obtained in S1 is removed into crust, is squeezed on a hydraulic press, it is right before extruding Extrusion cylinder, extrusion die and ingot casting are heated, and treat that section bar is cooled to 50 DEG C hereinafter, carrying out tension straingtening to section bar after the completion of squeezing Afterwards, it is heat-treated, extrusion cylinder mode of heating is：After being warming up to 97 DEG C and keeping the temperature 0.6h, it is warming up to 197 DEG C and keeps the temperature 0.7h Afterwards, after being warming up to 297 DEG C and keeping the temperature 0.6h, after being warming up to 397 DEG C and keeping the temperature 0.7h, 470 DEG C are warming up to, extrusion die is positioned over 4h is kept the temperature in 500 DEG C of holding furnace to be heated, ingot casting is positioned over heat preservation 1h in 520 DEG C of holding furnace and is heated, wherein, it draws The deflection for stretching aligning is 3%, extruding rate 8m/min；
S3：Treatment：The section bar for the heat treatment completed in S2 is sprayed according to cleaning → degreasing → PVDF fluorine carbon dust The processing route that → cooling → PVDF fluorine carbon renders complexion powder spray → liquid PVDF F-C paint wood grain roll printings carries out surface layer Reason, wherein, in PVDF fluorine carbon dust spraying process, PVDF fluorine carbon dusts are covered in by Surface of profile using electrostatic spraying, through 151 DEG C/16min be baked to Surface of profile formed gelatinization state；PVDF fluorine carbon is rendered in complexion powder painting process, using nylon wood Line brush vertically brushes PVDF fluorine carbon dust in Surface of profile, is toasted through 149 DEG C/15min, forms gelatinization state；Liquid PVDF fluorine During carbon grainer roll printing, liquid PVDF F-C paints are carried out by wood grain spraying in Surface of profile by wood grain generator, through 219 DEG C/39min bakings.
In embodiment 1-6, ferro element is non-addition element, and being mainly derived from mold use in fusion process can not keep away The introducing exempted from；By step S1, in fusion process the control of technique cause each element good knitting, Al-5%Ti-1%B crystal grain The addition of fining agent can play the role of crystal grain thinning, and multiple degasification slagging-off can improve the control of impurity in fusion process； In extrusion processes, extrusion cylinder, extrusion die and ingot casting are heated before squeezing, are conducive to be deformed in alloy extrusion process, Intermittent heat is carried out to extrusion cylinder, can cause more uniform, the extrusion process of extrusion cylinder heating, it is parallel with the deformation of alloy In in the direction of extrusion, crystal grain is elongated, and crystallite dimension is refined；Pass through the optimization to treatment technique, PVDF fluorine carbon dusts End spraying is initially formed coating of the one layer of uniform fold in Surface of profile, and carrying out PVDF fluorine carbon after section bar cooling renders complexion powder End spraying is so that section bar forms wood grain transition color, and in this course, 150 DEG C/15min bakings can form gelatinization state, Fully being merged with first layer dusty spray makes plane neatly smooth, during liquid PVDF F-C paint wood grain roll printings, 220 DEG C/ 40min bakings make the PVDF F-C paints of solid-state PVDF fluorine carbon dust and liquid fully merge, cure, and form wood grain figure true to nature Case.
In embodiment 1-6, the tensile strength and elongation percentage of wood grain aluminium alloy extrusions, gained are sprayed described in five groups of retest The parameter value of average data and aluminium alloy extrusions 6063-T6 section bars is listed in Table 2 below.
2 embodiment 1-6 of table and typical 6063-T6 section bars mechanical performance parameter
It can by the test data of embodiment 1-6 in above-mentioned table 1 and typical 6063-T6 section bars tensile strength and elongation percentage Know, single performance or comprehensive performance, heretofore described spraying wood grain aluminium alloy extrusions is superior to typical 6063- T6 section bars have excellent performance.

Claims (2)

1. a kind of spraying wood grain aluminium alloy extrusions, which is characterized in that its composition component includes by weight percentage：Mg：0.75- 0.90；Si：0.5-0.6；Cu：0.10-0.14；Mn：0.20-0.25；Ti：0-0.1；Cr：0-0.1；Fe：0.1-0.3；Zn： 0.20-0.28；Surplus is Al, and is prepared according to the following steps：
S1：Melting and casting：Aluminium ingot, magnesium ingot, zinc ingot metal, chromium ingot, Al-10%Si intermediate alloys, Al-50% are weighed according to constituent Aluminium ingot using Al-5%Ti-1%B as grain refiner, is added in melting by Cu intermediate alloys and Al-10%Mn intermediate alloys It in stove and is heated to 750-780 DEG C and is allowed to after being completely melt, by Al-10%Si intermediate alloys, Al-50%Cu intermediate alloys, Al- 10%Mn intermediate alloys, Cr, Zn, Mg, Al-5%Ti-1%B grain refiner sequence sequentially add each material, treat that each material is complete After fusing, 30-60min is kept the temperature at 750-760 DEG C, obtains alloy melt, and poured into a mould, molded after alloy melt solidification, It is each to expect that fusion process carries out in sealing space and by ingot casting water cooling to room temperature, in fusion process, using carbon trichloride as removing Gas agent, and multiple degasification is carried out except slag operation；
S2：It squeezes：The ladle barrow obtained in S1 is removed into crust, is squeezed on a hydraulic press, to extrusion cylinder, extrusion die before squeezing It is heated with ingot casting, treats that section bar is cooled to 50 DEG C hereinafter, carrying out tension straingtening, extrusion cylinder heating side to section bar after the completion of squeezing Formula is：After being warming up to 95-105 DEG C and keeping the temperature 0.5-1h, after being warming up to 195-205 DEG C and keeping the temperature 0.5-1h, it is warming up to 295-305 DEG C and after keeping the temperature 0.5-1h, after being warming up to 395-405 DEG C and keeping the temperature 0.5-1h, be warming up to 450-480 DEG C, extrusion die is positioned over It keeps the temperature 4-8h in 450-500 DEG C of holding furnace to be heated, ingot casting, which is positioned in 450-520 DEG C of holding furnace, keeps the temperature 1-2h progress Heating, wherein, the deflection of tension straingtening is 1-3%, extruding rate 8-40m/min；
S3：Treatment：By the section bar for the heat treatment completed in S2 according to cleaning → degreasing → PVDF fluorine carbon dust spraying → cold But the processing route that → PVDF fluorine carbon renders complexion powder spray → liquid PVDF F-C paint wood grain roll printings carries out treatment, In, in PVDF fluorine carbon dust spraying process, PVDF fluorine carbon dusts are covered in by Surface of profile using electrostatic spraying, through 145-155 DEG C/13-17min be baked to Surface of profile formed gelatinization state；PVDF fluorine carbon is rendered in complexion powder painting process, using nylon Wood grain brush vertically brushes PVDF fluorine carbon dust in Surface of profile, is toasted through 145-155 DEG C/13-17min, forms gelatinization state；Liquid During state PVDF F-C paint wood grain roll printings, liquid PVDF F-C paints are carried out by wood grain spray in Surface of profile by wood grain generator It applies, is toasted through 210-230 DEG C/35-45min；
In its constituent, the mass ratio of Mg and Si are (1.2-1.5):1.
2. spraying wood grain aluminium alloy extrusions according to claim 1, which is characterized in that in step sl, add Al-10% Si intermediate alloys, Al-50%Cu intermediate alloys, Al-10%Mn intermediate alloys, Cr, Zn, Mg, Al-5%Ti-1%B crystal grain refinement During agent, carry out degasification and remove slag operation.
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