CN107937954A - A kind of environment-friendlyaluminium aluminium section bar processing technology - Google Patents
A kind of environment-friendlyaluminium aluminium section bar processing technology Download PDFInfo
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- CN107937954A CN107937954A CN201711083940.1A CN201711083940A CN107937954A CN 107937954 A CN107937954 A CN 107937954A CN 201711083940 A CN201711083940 A CN 201711083940A CN 107937954 A CN107937954 A CN 107937954A
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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
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
- C25D11/08—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing inorganic acids
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/60—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using alkaline aqueous solutions with pH greater than 8
- C23C22/66—Treatment 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
- C25D11/16—Pretreatment, e.g. desmutting
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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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- Inorganic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses a kind of environment-friendlyaluminium aluminium section bar processing technology, follow the steps below：S1：Processing to aluminium section bar workpiece, by aluminium section bar work pieces process into basic configuration；S2：To aluminium section bar electrochemical deoiling, the surface and oil contaminant of aluminium section bar is removed；S3：Once washing to aluminium section bar, removes the chemical reagent on aluminium shape surface；S4：Neutralization to the chemical reagent on the surface of aluminium section bar, neutralizes the chemical reagent on the surface of aluminium section bar；S5：Secondary washing to aluminium section bar, removes the neutralization reagent on aluminium shape surface；S6：To the lye chemical oxidation of aluminium section bar；S7：To the hard anodizing of aluminium section bar；S8：To the chemical surface treatment of aluminium section bar；S9：Aluminium section bar is sprayed；S10：To the curing process of aluminium section bar；The oxidation resistance of aluminium section bar significantly improves, and varnished adhesive ability is strong, and aluminium shape surface is bright uniformly, strong without blackening, corrosion resistance.
Description
Technical field
The present invention relates to shape extrusion technical field, is specifically a kind of environment-friendlyaluminium aluminium section bar processing technology.
Background technology
Section bar is iron or steel and has some strength and the material (such as plastics, aluminium, glass fibre) of toughness by rolling
There is the object of certain geometrical shape made of the techniques such as system, extrusion, casting.Wherein, aluminium shape surface is after peroxidating, outside
See as smart as a new pin, and bear dirty, be very easy to clean once coating greasy dirt, when being assembled into product, according to different load-bearing using not
The section bar of same specification, and use supporting aluminium section bar accessory, it is not necessary to weld, it is more environmentally friendly, and install, dismounting, it is light and handy to be easy to take
Band, move it is extremely convenient.
The content of the invention
It is proposed in the above background technology to solve it is an object of the invention to provide a kind of environment-friendlyaluminium aluminium section bar processing technology
Problem.
To achieve the above object, the present invention provides following technical solution：
A kind of environment-friendlyaluminium aluminium section bar processing technology, follows the steps below：
S1：Processing to aluminium section bar workpiece, by aluminium section bar work pieces process into basic configuration；
S2：To aluminium section bar electrochemical deoiling, the surface and oil contaminant of aluminium section bar is removed；
S3：Once washing to aluminium section bar, removes the chemical reagent on aluminium shape surface；
S4：Neutralization to the chemical reagent on the surface of aluminium section bar, neutralizes the chemical reagent on the surface of aluminium section bar；
S5：Secondary washing to aluminium section bar, removes the neutralization reagent on aluminium shape surface；
S6：To the lye chemical oxidation of aluminium section bar, aluminium shape surface is set to form anti-oxidant film layer；
S7：To the hard anodizing of aluminium section bar, the oxidation resistance of aluminium section bar is improved；
S8：To the chemical surface treatment of aluminium section bar, make aluminium section bar that there is protective film；
S9：Aluminium section bar is sprayed, improves the oxidation resistance of aluminium section bar；
S10：To the curing process of aluminium section bar, the surface quality of coating is improved.
As the further scheme of the present invention：Aluminium section bar workpiece in the S1 follows the steps below：
S1-1：Heating, aluminium bar heat 480-500 DEG C, aluminium bar are checked before aluminium bar heating, there are silt, oil in surface
Aluminium bar dirty or that bending is exceeded must not put hot shearing furnace into；Aluminium bar temperature it is relatively low or it is excessive cannot all extrude, should be after when temperature is relatively low
Continuous heating, can go out to be furnace-cooled to 480-500 DEG C when temperature is excessive；Mould heats 430-480 DEG C, and mould is put into heating stove heat,
Heating time 2-4h, assembles within 5min after mould is come out of the stove and completes；Expect that courage heats 420-450 DEG C；
S1-2：Extruding, it is concentric to make die holder, material courage, the centre bit of extruding axis, the flow speed of discharging required for adjusting mould
Degree, solid material 10-70m/min, hollow material 8-25m/min, are put into aluminium bar and extruding cake is squeezed into aluminium section bar shape；
S1-3：Divide cold quenching and fracture, the aluminium section bar for extruding basis is rapidly cooled to less than 204 DEG C, and root by wind turbine
According to the length and sectional material joint position fracture for interrupting saw slip；
S1-4：Tension straingtening, aluminium section bar temperature are less than 50 DEG C, and extensibility is less than or equal to 1.5%, aligns length：Solid type
Material is 10-20cm, hollow profile 5-10cm；
S1-5：Sawing frames up and repairs end face, the aluminium section bar after tension straingtening is put into sawing platform, sawing length tolerance is determined
Ruler+15mm, the aluminium section bar of sawing qualification frame up.
As further scheme of the invention：To the oil removing process of aluminium section bar electrochemical deoiling in the S2：20g/L alkalescence
Degreaser, pH=8,50-60 DEG C of temperature, time 16-20min；Wherein described alkaline degreaser for graphene powder, sodium carbonate,
The mixed solution of the light disodium of tertiary sodium phosphate, phosphoric acid and the light sodium of carbonic acid.
As further scheme of the invention：Once washing in the S3 to aluminium section bar is using with high pressure spray
The jetting machine of head, the jetting machine include accommodating cavity, and the inner wall of accommodating cavity is equipped with some nozzles, further includes cleaning
Column, cleaning column insertion aluminium section bar are cleaned, and cleaning column outer wall is equipped with some nozzles, and conveying aluminium section bar is equipped with accommodating cavity
Track.
As further scheme of the invention：Neutralization reagent in the S4 is inorganic emulsifier, all-round emulsifying agent,
The mixed solution of non-alkaline basis powder and hydrofluoric acid.
As further scheme of the invention：Lye chemical oxidation solution in the S6 includes：Natrium carbonicum calcinatum
50g/L, sodium chromate, 15g/L, sodium hydroxide 25g/L, 80-100 DEG C of temperature, time 10-20min, after oxidation, aluminium section bar should be stood
Clean up.
As further scheme of the invention：It is 15- to electrolyte in the hard anodizing of aluminium section bar in the S7
The sulfuric acid electrolyte of 25% concentration, using DC power supply, generally O.5A/dm oxidation starts current density2, in 25 minutes
Divide 5-8 times and be gradually increased to 2.5A/dm2, constant current density is then kept, and primary current density was adjusted every 5 minutes, extremely
Oxidation terminates.
As further scheme of the invention：To the chemical surface treatment of aluminium section bar according to following steps in the S8：
S8-1 prepares chemical pretreatment solution：The chemical pretreatment solution contains：0.2~0.3g/L of sodium fluoride, hydrofluoric acid ammonium 0.4~
0.6g/L, 0.1~0.15g/L of potassium permanganate, 0.1~0.13g/L of nitrate, 0.2~0.3g/L of praseodymium chloride；
S8-2 aluminium section bars, which are put into chemical treatment, impregnates 3~5min；
S8-3 is dried.
As further scheme of the invention：Spraying following steps are carried out in the S9 to aluminium section bar to carry out：
S3-1：Hang in spraying, kept in the same aluminium section bar hung up between the type of section bar, the direction of section bar, section bar
Distance is consistent, and spacing is 0.8-1.2 times of section bar corresponding surface width, and the height of bridging is 1.8m；
S3-2：Dust, chain speed：Spray paint is 3.5m/min less than 1.4MM, is 3m/min more than 1.4mm, adjusts spray gun
Voltage force is 60-90KV, electric current 10-20mA, is 0.2-0.4bar for powder air pressure；Atomization air pressure is 0.01-0.1bar, section bar
Distance with spray gun is 150mm-300mm, and thicknesses of layers includes trypsin method spray gun and interior spray-painting gun in 60-80um, spray gun,
Sprayed in the interior spray-painting gun insertion aluminium section bar, interior spray-painting gun is cylinder, and the outer wall of cylinder is equipped with some sprays
Mouth, interior spray-painting gun also set up camera.
Compared with prior art, the beneficial effects of the invention are as follows：The oxidation resistance of aluminium section bar significantly improves, varnished
Adhesive ability is strong, and aluminium shape surface is bright uniformly, strong without blackening, corrosion resistance.
Embodiment
Technical scheme will be clearly and completely described below, it is clear that described embodiment is this hair
Bright part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist
All other embodiments obtained under the premise of creative work are not made, belong to the scope of protection of the invention.
Embodiment 1：
A kind of environment-friendlyaluminium aluminium section bar processing technology, follows the steps below：
S1：Processing to aluminium section bar workpiece, by aluminium section bar work pieces process into basic configuration；
S2：To aluminium section bar electrochemical deoiling, the surface and oil contaminant of aluminium section bar is removed；
S3：Once washing to aluminium section bar, removes the chemical reagent on aluminium shape surface；
S4：Neutralization to the chemical reagent on the surface of aluminium section bar, neutralizes the chemical reagent on the surface of aluminium section bar；
S5：Secondary washing to aluminium section bar, removes the neutralization reagent on aluminium shape surface；
S6：To the lye chemical oxidation of aluminium section bar, aluminium shape surface is set to form anti-oxidant film layer；
S7：To the hard anodizing of aluminium section bar, the oxidation resistance of aluminium section bar is improved；
S8：To the chemical surface treatment of aluminium section bar, make aluminium section bar that there is protective film；
S9：Aluminium section bar is sprayed, improves the oxidation resistance of aluminium section bar；
S10：To the curing process of aluminium section bar, the surface quality of coating is improved.
Aluminium section bar workpiece in the S1 follows the steps below：
S1-1：Heating, aluminium bar heat 480 DEG C, aluminium bar heating before aluminium bar is checked, surface have silt, greasy dirt or
Hot shearing furnace must not be put into by bending exceeded aluminium bar；Aluminium bar temperature it is relatively low or it is excessive cannot all extrude, should continue when temperature is relatively low plus
Heat, can go out when temperature is excessive and be furnace-cooled to 480 DEG C；Mould heats 430 DEG C, and mould is put into heating stove heat, heating time 2h,
Assemble and complete within 5min after mould is come out of the stove；Expect that courage heats 420 DEG C；
S1-2：Extruding, it is concentric to make die holder, material courage, the centre bit of extruding axis, the flow speed of discharging required for adjusting mould
Degree, solid material 10m/min, hollow material 8m/min, are put into aluminium bar and extruding cake is squeezed into aluminium section bar shape；
S1-3：Divide cold quenching and fracture, the aluminium section bar for extruding basis is rapidly cooled to less than 204 DEG C, and root by wind turbine
According to the length and sectional material joint position fracture for interrupting saw slip；
S1-4：Tension straingtening, aluminium section bar temperature are less than 50 DEG C, and extensibility is less than or equal to 1.5%, aligns length：Solid type
Material is 10cm, hollow profile 5cm；
S1-5：Sawing frames up and repairs end face, the aluminium section bar after tension straingtening is put into sawing platform, sawing length tolerance is determined
Ruler+15mm, the aluminium section bar of sawing qualification frame up.
To the oil removing process of aluminium section bar electrochemical deoiling in the S2：20g/L alkaline degreasers, pH=8, temperature 50 C, when
Between 16min；Wherein described alkaline degreaser is graphene powder, sodium carbonate, tertiary sodium phosphate, the light disodium of phosphoric acid and the light sodium of carbonic acid
Mixed solution, graphene powder is blended in alkaline degreaser, and graphene powder has extraordinary suction-operated.
It is clear using the jetting machine with high-pressure nozzle, the high pressure to once washing for aluminium section bar in the S3
Washing machine includes accommodating cavity, and the inner wall of accommodating cavity is equipped with some nozzles, further includes cleaning column, and cleaning column insertion aluminium section bar carries out clear
Wash, cleaning column outer wall is equipped with some nozzles, and the track of conveying aluminium section bar is equipped with accommodating cavity, to aluminium section bar into it is comprehensive, without extremely
The cleaning at angle.
Neutralization reagent in the S4 is the mixed of inorganic emulsifier, all-round emulsifying agent, non-alkaline basis powder and hydrofluoric acid
Close solution.
Lye chemical oxidation solution in the S6 includes：Natrium carbonicum calcinatum 50g/L, sodium chromate, 15g/L, sodium hydroxide
25g/L, 80 DEG C, time 10min of temperature, after oxidation, aluminium section bar should clean up immediately.
To the sulfuric acid electrolyte that electrolyte in the hard anodizing of aluminium section bar is 15-25% concentration in the S7, use
With DC power supply, generally O.5A/dm oxidation starts current density2, divided in 25 minutes 5-8 times and be gradually increased to 2.5A/
dm2, constant current density is then kept, and primary current density was adjusted every 5 minutes, terminate to oxidation.
To the chemical surface treatment of aluminium section bar according to following steps in the S8：
S8-1 prepares chemical pretreatment solution：The chemical pretreatment solution contains：Sodium fluoride 0.2g/L, hydrofluoric acid ammonium 0.4g/L, Gao Meng
Sour potassium 0.1g/L, nitrate 0.1g/L, praseodymium chloride 0.2g/L；
S8-2 aluminium section bars, which are put into chemical treatment, impregnates 3min；
S8-3 is dried.
Spraying following steps are carried out in the S9 to aluminium section bar to carry out：
S3-1：Hang in spraying, kept in the same aluminium section bar hung up between the type of section bar, the direction of section bar, section bar
Distance is consistent, and spacing is 0.8 times of section bar corresponding surface width, and the height of bridging is 1.8m；
S3-2：Dust, chain speed：Spray paint is 3.5m/min less than 1.4MM, is 3m/min more than 1.4mm, adjusts spray gun
Voltage force is 60KV, electric current 10mA, is 0.24bar for powder air pressure；Atomization air pressure is 0.01bar, and the distance of section bar and spray gun is
150mm0mm, for thicknesses of layers in 60um, spray gun includes trypsin method spray gun and interior spray-painting gun, the interior spray-painting gun insertion aluminium
Sprayed in section bar, interior spray-painting gun is cylinder, and the outer wall of cylinder is equipped with some nozzles, and interior spray-painting gun is also set up
Camera, camera observe aluminium section bar internal spray situation.
As a result：
The oxidation resistance of aluminium section bar significantly improves, and varnished adhesive ability is strong, and aluminium shape surface is bright uniformly, nothing is dark
Spot, corrosion resistance are strong.
Embodiment 2：
A kind of environment-friendlyaluminium aluminium section bar processing technology, follows the steps below：
S1：Processing to aluminium section bar workpiece, by aluminium section bar work pieces process into basic configuration；
S2：To aluminium section bar electrochemical deoiling, the surface and oil contaminant of aluminium section bar is removed；
S3：Once washing to aluminium section bar, removes the chemical reagent on aluminium shape surface；
S4：Neutralization to the chemical reagent on the surface of aluminium section bar, neutralizes the chemical reagent on the surface of aluminium section bar；
S5：Secondary washing to aluminium section bar, removes the neutralization reagent on aluminium shape surface；
S6：To the lye chemical oxidation of aluminium section bar, aluminium shape surface is set to form anti-oxidant film layer；
S7：To the hard anodizing of aluminium section bar, the oxidation resistance of aluminium section bar is improved；
S8：To the chemical surface treatment of aluminium section bar, make aluminium section bar that there is protective film；
S9：Aluminium section bar is sprayed, improves the oxidation resistance of aluminium section bar；
S10：To the curing process of aluminium section bar, the surface quality of coating is improved.
Aluminium section bar workpiece in the S1 follows the steps below：
S1-1：Heating, aluminium bar heat 500 DEG C, aluminium bar heating before aluminium bar is checked, surface have silt, greasy dirt or
Hot shearing furnace must not be put into by bending exceeded aluminium bar；Aluminium bar temperature it is relatively low or it is excessive cannot all extrude, should continue when temperature is relatively low plus
Heat, can go out when temperature is excessive and be furnace-cooled to 500 DEG C；Mould heats 480 DEG C, and mould is put into heating stove heat, heating time 4h,
Assemble and complete within 5min after mould is come out of the stove；Expect that courage heats 450 DEG C；
S1-2：Extruding, it is concentric to make die holder, material courage, the centre bit of extruding axis, the flow speed of discharging required for adjusting mould
Degree, solid material 70m/min, hollow material 25m/min, are put into aluminium bar and extruding cake is squeezed into aluminium section bar shape；
S1-3：Divide cold quenching and fracture, the aluminium section bar for extruding basis is rapidly cooled to less than 204 DEG C, and root by wind turbine
According to the length and sectional material joint position fracture for interrupting saw slip；
S1-4：Tension straingtening, aluminium section bar temperature are less than 50 DEG C, and extensibility is less than or equal to 1.5%, aligns length：Solid type
Material is 20cm, hollow profile 10cm；
S1-5：Sawing frames up and repairs end face, the aluminium section bar after tension straingtening is put into sawing platform, sawing length tolerance is determined
Ruler+15mm, the aluminium section bar of sawing qualification frame up.
To the oil removing process of aluminium section bar electrochemical deoiling in the S2：20g/L alkaline degreasers, pH=8, temperature 60 C, when
Between 20min；Wherein described alkaline degreaser is graphene powder, sodium carbonate, tertiary sodium phosphate, the light disodium of phosphoric acid and the light sodium of carbonic acid
Mixed solution.
Once washing using the jetting machine with high-pressure nozzle to aluminium section bar in the S3.
Neutralization reagent in the S4 is the mixed of inorganic emulsifier, all-round emulsifying agent, non-alkaline basis powder and hydrofluoric acid
Close solution.
Lye chemical oxidation solution in the S6 includes：Natrium carbonicum calcinatum 50g/L, sodium chromate, 15g/L, sodium hydroxide
25g/L, 100 DEG C, time 20min of temperature, after oxidation, aluminium section bar should clean up immediately.
To the sulfuric acid electrolyte that electrolyte in the hard anodizing of aluminium section bar is 15-25% concentration in the S7, use
With DC power supply, generally O.5A/dm oxidation starts current density2, divided in 25 minutes 5-8 times and be gradually increased to 2.5A/
dm2, constant current density is then kept, and primary current density was adjusted every 5 minutes, terminate to oxidation.
To the chemical surface treatment of aluminium section bar according to following steps in the S8：
S8-1 prepares chemical pretreatment solution：The chemical pretreatment solution contains：Sodium fluoride 0.3g/L, hydrofluoric acid ammonium 0.6g/L, Gao Meng
Sour potassium 0.15g/L, nitrate 0.13g/L, praseodymium chloride 0.3g/L；
S8-2 aluminium section bars, which are put into chemical treatment, impregnates 5min；
S8-3 is dried.
Spraying following steps are carried out in the S9 to aluminium section bar to carry out：
S3-1：Hang in spraying, kept in the same aluminium section bar hung up between the type of section bar, the direction of section bar, section bar
Distance is consistent, and spacing is 1.2 times of section bar corresponding surface width, and the height of bridging is 1.8m；
S3-2：Dust, chain speed：Spray paint is 3.5m/min less than 1.4MM, is 3m/min more than 1.4mm, adjusts spray gun
Voltage force is 90KV, electric current 20mA, is 0.4bar for powder air pressure；Atomization air pressure is 0.1bar, and the distance of section bar and spray gun is
300mm, thicknesses of layers is in 80um.
As a result：
The oxidation resistance of aluminium section bar significantly improves, and varnished adhesive ability is strong, and aluminium shape surface is bright uniformly, nothing is dark
Spot, corrosion resistance are strong.
The foregoing descriptions are merely the embodiment using this origination techniques content, any those skilled in the art use this wound
Make done modifications and changes, all belong to the scope of the claims of this creation opinion, and be not limited to those disclosed embodiments.
If not specified, conventional means of the technological means known to those skilled in the art employed in embodiment, institute
The reagent and product of use are also available commercial.The source of agents useful for same, trade name and its composition is listed if necessary
Component person, indicates on the first appearance.
Claims (9)
1. a kind of environment-friendlyaluminium aluminium section bar processing technology, it is characterized in that, follow the steps below：
S1：Processing to aluminium section bar workpiece, by aluminium section bar work pieces process into basic configuration；
S2：To aluminium section bar electrochemical deoiling, the surface and oil contaminant of aluminium section bar is removed；
S3：Once washing to aluminium section bar, removes the chemical reagent on aluminium shape surface；
S4：Neutralization to the chemical reagent on the surface of aluminium section bar, neutralizes the chemical reagent on the surface of aluminium section bar；
S5：Secondary washing to aluminium section bar, removes the neutralization reagent on aluminium shape surface；
S6：To the lye chemical oxidation of aluminium section bar, aluminium shape surface is set to form anti-oxidant film layer；
S7：To the hard anodizing of aluminium section bar, the oxidation resistance of aluminium section bar is improved；
S8：To the chemical surface treatment of aluminium section bar, make aluminium section bar that there is protective film；
S9：Aluminium section bar is sprayed, improves the oxidation resistance of aluminium section bar；
S10：To the curing process of aluminium section bar, the surface quality of coating is improved.
2. environment-friendlyaluminium aluminium section bar processing technology according to claim 1, it is characterized in that, aluminium section bar workpiece in the S1 according to
Following steps carry out：
S1-1：Heating, aluminium bar heat 480-500 DEG C, aluminium bar heating before aluminium bar is checked, surface have silt, greasy dirt or
Hot shearing furnace must not be put into by bending exceeded aluminium bar；Aluminium bar temperature it is relatively low or it is excessive cannot all extrude, should continue when temperature is relatively low plus
Heat, can go out to be furnace-cooled to 480-500 DEG C when temperature is excessive；Mould heats 430-480 DEG C, and mould is put into heating stove heat, heats
Time 2-4h, assembles within 5min after mould is come out of the stove and completes；Expect that courage heats 420-450 DEG C；
S1-2：Extruding, it is concentric to make die holder, material courage, the centre bit of extruding axis, adjusts the flow speed of discharging required for mould,
Solid material 10-70m/min, hollow material 8-25m/min, are put into aluminium bar and extruding cake is squeezed into aluminium section bar shape；
S1-3：Dividing cold quenching and fracture, the aluminium section bar for extruding basis is rapidly cooled to less than 204 DEG C by wind turbine, and in
The length and sectional material joint position fracture that disconnected saw slides；
S1-4：Tension straingtening, aluminium section bar temperature are less than 50 DEG C, and extensibility is less than or equal to 1.5%, aligns length：Solid profile is
10-20cm, hollow profile 5-10cm；
S1-5：Sawing frames up and repairs end face, and the aluminium section bar after tension straingtening is put into sawing platform, and sawing length tolerance scale+
15mm, the aluminium section bar of sawing qualification frame up.
3. environment-friendlyaluminium aluminium section bar processing technology according to claim 1, it is characterized in that, to aluminium section bar electrochemical deoiling in the S2
Oil removing process：20g/L alkaline degreasers, pH=8,50-60 DEG C of temperature, time 16-20min；Wherein described alkaline degreaser
For the mixed solution of graphene powder, sodium carbonate, tertiary sodium phosphate, the light disodium of phosphoric acid and the light sodium of carbonic acid.
4. environment-friendlyaluminium aluminium section bar processing technology according to claim 1, it is characterized in that, to a water of aluminium section bar in the S3
Wash includes accommodating cavity using the jetting machine with high-pressure nozzle, the jetting machine, and the inner wall of accommodating cavity is equipped with
Some nozzles, further include cleaning column, and cleaning column insertion aluminium section bar is cleaned, and cleaning column outer wall is equipped with some nozzles, accommodating cavity
The interior track for being equipped with conveying aluminium section bar.
5. environment-friendlyaluminium aluminium section bar processing technology according to claim 1, it is characterized in that, the neutralization reagent in the S4 is inorganic
The mixed solution of emulsifier, all-round emulsifying agent, non-alkaline basis powder and hydrofluoric acid.
6. environment-friendlyaluminium aluminium section bar processing technology according to claim 1, it is characterized in that, the lye chemical oxidation in the S6 is molten
Liquid includes：Natrium carbonicum calcinatum 50g/L, sodium chromate 15g/L, sodium hydroxide 25g/L, 80-100 DEG C of temperature, time 10-20min, oxygen
After change, aluminium section bar should clean up immediately.
7. according to the environment-friendlyaluminium aluminium section bar processing technology described in claim 1, it is characterized in that, to the hard anode of aluminium section bar in the S7
Electrolyte is the sulfuric acid electrolyte of 15-25% concentration in oxidation, and using DC power supply, oxidation starts current density and is generally
O.5A/dm2, divided in 25 minutes 5-8 times and be gradually increased to 2.5A/dm2, constant current density is then kept, was adjusted every 5 minutes
Whole primary current density, terminates to oxidation.
8. environment-friendlyaluminium aluminium section bar processing technology according to claim 1, it is characterized in that, come to the surface in the S8 aluminium section bar
Processing is learned according to following steps：
S8-1 prepares chemical pretreatment solution：The chemical pretreatment solution contains：0.2~0.3g/L of sodium fluoride, 0.4~0.6g/ of hydrofluoric acid ammonium
L, 0.1~0.15g/L of potassium permanganate, 0.1~0.13g/L of nitrate, 0.2~0.3g/L of praseodymium chloride；
S8-2 aluminium section bars, which are put into chemical treatment, impregnates 3~5min；
S8-3 is dried.
9. environment-friendlyaluminium aluminium section bar processing technology according to claim 1, it is characterized in that, aluminium section bar is sprayed in the S9
Following steps carry out：
S3-1：Hung in spraying, the distance between the type of section bar, the direction of section bar, section bar is kept in the same aluminium section bar hung up
Unanimously, spacing is 0.8-1.2 times of section bar corresponding surface width, and the height of bridging is 1.8m；
S3-2：Dust：Spray paint is 3.5m/min less than 1.4MM, is 3m/min more than 1.4mm, and adjustment spray gun Voltage force is 60-
90KV, electric current 10-20mA, are 0.2-0.4bar for powder air pressure；Atomization air pressure is the distance of 0.01-0.1bar, section bar and spray gun
For 150mm-300mm, thicknesses of layers includes trypsin method spray gun and interior spray-painting gun, the interior spray-painting gun in 60-80um, spray gun
Sprayed in insertion aluminium section bar, interior spray-painting gun is cylinder, and the outer wall of cylinder is equipped with some nozzles, and interior spray-painting gun is also
Camera is set.
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| CN108660496A (en) * | 2018-05-02 | 2018-10-16 | 珠海市美图金属科技有限公司 | A kind of proximate matter heat tinting process |
| CN109161879A (en) * | 2018-09-10 | 2019-01-08 | 温州天迪铝业有限公司 | Bright corrosion-resistant environmental protection aluminum profile preparation method |
| CN109226322A (en) * | 2018-10-31 | 2019-01-18 | 龙图节能铝材（宣城）有限公司 | The environment-friendly type face aluminum profile AB while extrusion technique |
| CN109396003A (en) * | 2018-10-31 | 2019-03-01 | 龙图节能铝材（宣城）有限公司 | Production process of aluminium section |
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| CN108660496A (en) * | 2018-05-02 | 2018-10-16 | 珠海市美图金属科技有限公司 | A kind of proximate matter heat tinting process |
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| CN109161879A (en) * | 2018-09-10 | 2019-01-08 | 温州天迪铝业有限公司 | Bright corrosion-resistant environmental protection aluminum profile preparation method |
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| CN109396003A (en) * | 2018-10-31 | 2019-03-01 | 龙图节能铝材（宣城）有限公司 | Production process of aluminium section |
| CN109482452A (en) * | 2018-10-31 | 2019-03-19 | 龙图节能铝材（宣城）有限公司 | Aluminum profile vertical powder workmanship of spraying plastics |
| CN109482666A (en) * | 2018-10-31 | 2019-03-19 | 龙图节能铝材（宣城）有限公司 | The face bridge insulation thermal resistance aluminium section AB while extrusion process |
| CN109226322B (en) * | 2018-10-31 | 2020-04-03 | 龙图节能铝材（宣城）有限公司 | Production process for simultaneously extruding AB surfaces of environment-friendly aluminum profiles |
| CN109396003B (en) * | 2018-10-31 | 2021-10-12 | 龙图节能铝材（宣城）有限公司 | Aluminum profile production process |
| CN109482452B (en) * | 2018-10-31 | 2021-10-29 | 龙图节能铝材（宣城）有限公司 | Vertical powder plastic spraying process for aluminum profile |
| CN113308651A (en) * | 2021-04-15 | 2021-08-27 | 张家港市旭德铝制品有限公司 | Manufacturing method of ultrathin aluminum composite section |
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