CN109652836A - A kind of process of surface treatment of 6063 aluminium alloy extrusions - Google Patents
A kind of process of surface treatment of 6063 aluminium alloy extrusions Download PDFInfo
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- CN109652836A CN109652836A CN201910142903.6A CN201910142903A CN109652836A CN 109652836 A CN109652836 A CN 109652836A CN 201910142903 A CN201910142903 A CN 201910142903A CN 109652836 A CN109652836 A CN 109652836A
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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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/32—Alkaline compositions
- C23F1/36—Alkaline compositions for etching aluminium or alloys thereof
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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
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Abstract
The invention discloses a kind of process of surface treatment of 6063 aluminium alloy extrusions, are related to aluminium alloy extrusions production and processing correlative technology field, include the following steps, step A: cutting；Step B: sandblasting；Step C: oil removing；Step D: washing；Step E: alkali cleaning；Step F: it neutralizes；Step G: oxidation；Step H: sealing of hole；Step I: it dries；Step J: molding.The present invention is compared with traditional acid etching process, it pollutes smaller, more save aluminium, and it ensure that the total quality of aluminium, it is higher to the utilization rate of aluminium, when being processed by fermentation vat to 6063 aluminium alloys, NaF is added in alkaline etching agent, can the outer surface to 6063 aluminium alloys effectively sealed, to prevent 6063 aluminium alloy outer surfaces from leading to the problem of non-uniform corrosion, it is added with grape hydrochlorate in alkaline etching agent, the smooth reduction efficiency of 6063 aluminum alloy surfaces can be improved when 6063 aluminium alloys are impregnated and processed by grape hydrochlorate, flatten the outer surface of 6063 aluminium alloys more.
Description
Technical field
The present invention relates to aluminium alloy extrusions to produce and process correlative technology field, in particular to a kind of 6063 aluminium alloy extrusions
Process of surface treatment.
Background technique
Aluminium alloy is using aluminium as the alloy general name of base, and main alloy element has copper, silicon, magnesium, zinc, manganese, and secondary alloying element has
Nickel, is admired, chromium, clang etc. at iron.Aluminium alloy is the current maximum of yield in the world, most widely used non-ferrous metal.Because of its excellent physics
Chemical property is widely applied in fields such as building, communications and transportation, machine-building, electronics, packaging material, electric power, mouth articles.I
State is alloy product manufacture and consumption big country, and China's aluminium yield increases by 15.87% on a year-on-year basis up to 3037.3 ten thousand tons within 2012,
However, aluminium alloy it is moist, containing corruption easily occurs when using in the environment such as industrial gasses, fuel gas, salinity and dust atmosphere
Erosion destroys, and shortens its service life.To improve aluminum alloy surface corrosion resisting property, improve that its is decorative and functional, and aluminium alloy exists
It must be surface-treated before factory.Aluminum alloy surface pretreatment is the critical process of its surface treatment, it directly determines aluminium
The quality of Surface of profile.
6063 current aluminium alloy extrusions are a kind of common aluminium alloy models, but 6063 current aluminium alloy extrusions
The shortcomings that total quality is not high, which has poor corrosion resistance in actual use and wear no resistance, seriously affects
The service life of the aluminium alloy, and when producing 6063 aluminium alloy extrusions, it is useless because generating a large amount of hydrogen fluoride in production process
Gas, high ammonia-nitrogen wastewater and high ammonia nitrogen waste residue etc. damage human health, and cause serious environmental pollution.
It is therefore proposed that a kind of process of surface treatment of 6063 aluminium alloy extrusions is necessary to solve the above problems.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of process of surface treatment of 6063 aluminium alloy extrusions, solves
The current 6063 aluminium alloy extrusions quality of production is not high, corrosion-resistant and wear no resistance, and service life is short and 6063 aluminium of processing
The big problem of alloy profile environmental.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of process of surface treatment of 6063 aluminium alloy extrusions, comprising the following steps:
Step A: cutting, first by 6063 aluminium alloys for needing to polish according to processing needs, carried out by cutting equipment etc.
Distance cutting, it is by vertical patterning method, the cross-sectional cut of 6063 aluminium alloys is smooth；
Step B: 6063 aluminum alloy materials after cutting are fed forward, transmission equipment by sandblasting one by one by transmission equipment
By the inside of blasting cabinet, 6063 aluminum alloy materials are when entering blasting cabinet, by two fixtures to 6063 aluminum alloy materials
Both ends are attached and support, and two fixtures are movably installed with motor far from one end of 6063 aluminum alloy materials, spray
The inner upper of sandbox is fixedly installed with multiple sandblasting pipelines, and multiple abrator heads are closed towards 6063 aluminium of transmission equipment upper surface
Gold carries out blasting treatment by surface of the abrator head to 6063 aluminium alloys；
Step C: 6063 aluminium alloys after sandblasting are put into grease removal tank by oil removing by lifting appliance, addition in grease removal tank
There is mixed liquor, mixed liquor is water and sulfuric acid solution, and 6063 aluminium alloys are carried out oil removal treatment；
Step D: washing, 6063 aluminium alloys after oil removing is cleared up are put on a moving belt by lifting appliance, the conveyer belt
Top filtered water tank is installed, filtered water tank is cleaned 6063 aluminium alloy outer surfaces by sprinkler head, and the bottom of conveyer belt is set
It is equipped with waste water containing box, the clast fallen is liquidated and waste water is collected；
Step E: alkali cleaning, adding in fermentation vat has NaOH, and alkaline etching agent then will be added in fermentation vat, is then added in alkaline etching agent
Add Na3PO4, NaF, NH4HF2 and grape hydrochlorate, supporting plate, the fixed peace in the bottom of supporting plate are fixedly installed with above fermentation vat
Equipped with apparatus for automatically lifting, the bottom of apparatus for automatically lifting is fixedly connected with motor, and the lower section of motor is fixedly connected by shaft
There is paddle, while apparatus for automatically lifting drives motor to synchronize oscilaltion, paddle stirs the filling in fermentation vat
Uniformly, it then will be impregnated in the 6063 aluminium alloys filling fermentation vat after cleaning；
Step F: neutralizing, and 6063 aluminium alloys after immersion are hung out out of fermentation vat by lifting appliance, are then placed in life
6063 aluminium alloys are neutralized in pond, and are cleaned；
Step G: 6063 aluminium alloys after cleaning are moved in sulfuric acid pond by oxidation by lifting appliance, and sulfuric acid pond will
6063 aluminium alloys are impregnated, and are carried out oxidation processes to 6063 aluminium alloys, are cleaned again with soft water after oxidation；
Step H: sealing of hole, normal-temperature hole sealing method hang in 6063 aluminium alloys after cleaning in sealing of hole pond by lifting appliance, envelope
Soft water has been inserted in Kong Chi, and suitable hole sealing agent is added in sealing of hole pond, it, will after carrying out sealing of hole to 6063 aluminum alloy surfaces
6063 aluminium alloys are hung out by lifting appliance, and are cleaned by soft water to 6063 aluminium alloys；
Step I: drying, and 6063 aluminium alloys after cleaning are contacted to simultaneously natural air drying with air；
Step J: molding, 6063 aluminium alloys after air-drying are by cutting equipment, using vertical patterning method to 6063 aluminium alloys
Both ends cut, complete 6063 aluminium alloys surface working process.
Optionally, in the step B, the two sides of blasting cabinet offer channel, and 6063 aluminium alloy of transmission equipment support passes through
The channel enters the inside of blasting cabinet.
Optionally, in the step C, the temperature in grease removal tank is maintained at 40 DEG C~60 DEG C, the ratio of sulfuric acid solution and water
For 1:18,6063 aluminium alloys after sandblasting impregnate 5~7min in grease removal tank.
Optionally, in the step E, the content of NaOH is 40g/L~60g/L, the content of the Na3PO4 be 8g/L~
The content of 15g/L, the NaF are 12g/L~18g/L, and the content of the NH4HF2 is 8g/L~12g/L, the grape hydrochlorate
Content be 10g/L~15g/L.
Optionally, in the step D, the water of filtered water tank is room temperature unboiled water.
Optionally, be room temperature in unboiled water pond in the step F, unboiled water pond to the soaking times of 6063 aluminium alloys be 2~
5min。
Optionally, in the step G, 20 DEG C~23 DEG C of the temperature in sulfuric acid pond, the voltage in sulfuric acid pond is 17V~19V.
Optionally, in the step H, 10~15min of soaking time, PH:5.5~6.5.
(3) beneficial effect
The present invention provides a kind of process of surface treatment of 6063 aluminium alloy extrusions, have it is following the utility model has the advantages that
(1), for the present invention compared with traditional acid etching process, pollution is smaller, and saves aluminium, ensure that the whole matter of aluminium
Amount, it is higher to the utilization rate of aluminium, when processing by fermentation vat to 6063 aluminium alloys, NaF, energy are added in alkaline etching agent
The outer surface of 6063 aluminium alloys is effectively sealed, to prevent 6063 aluminium alloy outer surfaces from leading to the problem of non-uniform corrosion, from
And extend the whole service life of 6063 aluminium alloy, by sulfuric acid solution to the oil removal treatment of 6063 aluminum alloy surfaces, can prevent
Only aluminum alloy surface generates piebald.
(2), grape hydrochlorate is added in alkaline etching agent of the invention, through grape hydrochlorate when 6063 aluminium alloys are impregnated and processed
The smooth reduction efficiency of 6063 aluminum alloy surfaces can be improved, flattens the outer surface of 6063 aluminium alloys more, and then improves 6063 aluminium
The total quality of alloy, while when being processed to 6063 aluminium alloys, by the temperature in control fermentation vat, prevent 6063 aluminium alloys
Excessive corrosion.
Detailed description of the invention
Fig. 1 is workflow schematic diagram of the invention；
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
According to as shown in Figure 1, the present invention provides following three kinds of technical solutions:
Embodiment one:
A kind of process of surface treatment of 6063 aluminium alloy extrusions, comprising the following steps:
Step A: cutting, first by 6063 aluminium alloys for needing to polish according to processing needs, carried out by cutting equipment etc.
Distance cutting, it is by vertical patterning method, the cross-sectional cut of 6063 aluminium alloys is smooth；
Step B: 6063 aluminum alloy materials after cutting are fed forward, transmission equipment by sandblasting one by one by transmission equipment
By the inside of blasting cabinet, the two sides of blasting cabinet offer channel, and 6063 aluminium alloy of transmission equipment support is entered by the channel
The inside of blasting cabinet, 6063 aluminum alloy materials are when entering blasting cabinet, by two fixtures to the both ends of 6063 aluminum alloy materials
It is attached and supports, two fixtures are movably installed with motor, blasting cabinet far from one end of 6063 aluminum alloy materials
Inner upper be fixedly installed with multiple sandblasting pipelines, multiple abrator heads towards 6063 aluminium alloys of transmission equipment upper surface,
Blasting treatment is carried out by surface of the abrator head to 6063 aluminium alloys；
Step C: 6063 aluminium alloys after sandblasting are put into grease removal tank by oil removing by lifting appliance, addition in grease removal tank
There is mixed liquor, mixed liquor is water and sulfuric acid solution, 6063 aluminium alloys is carried out oil removal treatment, the temperature in grease removal tank is maintained at 45
DEG C, the ratio of sulfuric acid solution and water is 1:18, and 6063 aluminium alloys after sandblasting impregnate 7min in grease removal tank；
Step D: washing, 6063 aluminium alloys after oil removing is cleared up are put on a moving belt by lifting appliance, the conveyer belt
Top filtered water tank is installed, the water of filtered water tank is room temperature unboiled water, filtered water tank by sprinkler head by 6063 aluminium alloy outer surfaces into
Row cleaning, the bottom of conveyer belt is provided with waste water containing box, liquidates the clast fallen and waste water is collected；
Step E: alkali cleaning, fermentation vat is interior to contain a large amount of NaOH, alkaline etching agent will be added in fermentation vat, then in alkaline etching agent
Na3PO4, NaF, NH4HF2 and grape hydrochlorate are added, the content of NaOH is 60g/L, and the content of Na3PO4 is 8g/L, and NaF's contains
Amount is 12g/L, and the content of NH4HF2 is 8g/L, and the content of grape hydrochlorate is 12g/L, is fixedly installed with support above fermentation vat
Plate, the bottom of supporting plate are fixedly installed with apparatus for automatically lifting, and the bottom of apparatus for automatically lifting is fixedly connected with motor, motor
Lower section is fixedly connected with paddle by shaft, while apparatus for automatically lifting drives motor to synchronize oscilaltion, paddle
Filling in fermentation vat is stirred evenly, then will be impregnated in the 6063 aluminium alloys filling fermentation vat after cleaning；
Step F: neutralizing, and 6063 aluminium alloys after immersion are hung out out of fermentation vat by lifting appliance, are then placed in life
6063 aluminium alloys are neutralized in pond, and are cleaned, are room temperature, soaking time of the unboiled water pond to 6063 aluminium alloys in unboiled water pond
For 3min；
Step G: 6063 aluminium alloys after cleaning are moved in sulfuric acid pond by oxidation by lifting appliance, and sulfuric acid pond will
6063 aluminium alloys are impregnated, and carry out oxidation processes to 6063 aluminium alloys, and 20 DEG C of temperature in sulfuric acid pond, the voltage in sulfuric acid pond
For 17V, cleaned again with soft water after oxidation；
Step H: sealing of hole, normal-temperature hole sealing method hang in 6063 aluminium alloys after cleaning in sealing of hole pond by lifting appliance, envelope
Soft water has been inserted in Kong Chi, and has added suitable hole sealing agent in sealing of hole pond, and soaking time 15min, PH:5.5 are closed in 6063 aluminium
After golden sealing of hole, 6063 aluminium alloys are hung out by lifting appliance, and 6063 aluminium alloys are cleaned by soft water；
Step I: drying, and 6063 aluminium alloys after cleaning are contacted to simultaneously natural air drying with air；
Step J: molding, 6063 aluminium alloys after air-drying are by cutting equipment, using vertical patterning method to 6063 aluminium alloys
Both ends cut, complete 6063 aluminium alloys surface working process.
Table 1
Embodiment two:
A kind of process of surface treatment of 6063 aluminium alloy extrusions, comprising the following steps:
Step A: cutting, first by 6063 aluminium alloys for needing to polish according to processing needs, carried out by cutting equipment etc.
Distance cutting, it is by vertical patterning method, the cross-sectional cut of 6063 aluminium alloys is smooth；
Step B: 6063 aluminum alloy materials after cutting are fed forward, transmission equipment by sandblasting one by one by transmission equipment
By the inside of blasting cabinet, the two sides of blasting cabinet offer channel, and 6063 aluminium alloy of transmission equipment support is entered by the channel
The inside of blasting cabinet, 6063 aluminum alloy materials are when entering blasting cabinet, by two fixtures to the both ends of 6063 aluminum alloy materials
It is attached and supports, two fixtures are movably installed with motor, blasting cabinet far from one end of 6063 aluminum alloy materials
Inner upper be fixedly installed with multiple sandblasting pipelines, multiple abrator heads towards 6063 aluminium alloys of transmission equipment upper surface,
Blasting treatment is carried out by surface of the abrator head to 6063 aluminium alloys；
Step C: 6063 aluminium alloys after sandblasting are put into grease removal tank by oil removing by lifting appliance, addition in grease removal tank
There is mixed liquor, mixed liquor is water and sulfuric acid solution, 6063 aluminium alloys is carried out oil removal treatment, the temperature in grease removal tank is maintained at 50
DEG C, the ratio of sulfuric acid solution and water is 1:18, and 6063 aluminium alloys after sandblasting impregnate 6min in grease removal tank；
Step D: washing, 6063 aluminium alloys after oil removing is cleared up are put on a moving belt by lifting appliance, the conveyer belt
Top filtered water tank is installed, the water of filtered water tank is room temperature unboiled water, filtered water tank by sprinkler head by 6063 aluminium alloy outer surfaces into
Row cleaning, the bottom of conveyer belt is provided with waste water containing box, liquidates the clast fallen and waste water is collected；
Step E: alkali cleaning, fermentation vat is interior to contain a large amount of NaOH, alkaline etching agent will be added in fermentation vat, then in alkaline etching agent
Na3PO4, NaF, NH4HF2 and grape hydrochlorate are added, the content of NaOH is 50g/L, and the content of Na3PO4 is 10g/L, and NaF's contains
Amount is 12g/L, and the content of NH4HF2 is 10g/L, and the content of grape hydrochlorate is 15g/L；
Step F: neutralizing, and 6063 aluminium alloys after immersion are hung out out of fermentation vat by lifting appliance, are then placed in life
6063 aluminium alloys are neutralized in pond, and are cleaned, are room temperature, soaking time of the unboiled water pond to 6063 aluminium alloys in unboiled water pond
For 4min；
Step G: 6063 aluminium alloys after cleaning are moved in sulfuric acid pond by oxidation by lifting appliance, and sulfuric acid pond will
6063 aluminium alloys are impregnated, and carry out oxidation processes to 6063 aluminium alloys, and 21 DEG C of temperature in sulfuric acid pond, the voltage in sulfuric acid pond
For 18V, cleaned again with soft water after oxidation；
Step H: sealing of hole, normal-temperature hole sealing method hang in 6063 aluminium alloys after cleaning in sealing of hole pond by lifting appliance, envelope
Soft water has been inserted in Kong Chi, and suitable hole sealing agent is added in sealing of hole pond, soaking time 12min, PH:6, in 6063 aluminium alloys
After sealing of hole, 6063 aluminium alloys are hung out by lifting appliance, and 6063 aluminium alloys are cleaned by soft water；
Step I: drying, and 6063 aluminium alloys after cleaning are contacted to simultaneously natural air drying with air；
Step J: molding, 6063 aluminium alloys after air-drying are by cutting equipment, using vertical patterning method to 6063 aluminium alloys
Both ends cut, complete 6063 aluminium alloys surface working process.
Table 2
Embodiment three:
A kind of process of surface treatment of 6063 aluminium alloy extrusions, comprising the following steps:
Step A: cutting, first by 6063 aluminium alloys for needing to polish according to processing needs, carried out by cutting equipment etc.
Distance cutting, it is by vertical patterning method, the cross-sectional cut of 6063 aluminium alloys is smooth；
Step B: 6063 aluminum alloy materials after cutting are fed forward, transmission equipment by sandblasting one by one by transmission equipment
By the inside of blasting cabinet, the two sides of blasting cabinet offer channel, and 6063 aluminium alloy of transmission equipment support is entered by the channel
The inside of blasting cabinet, 6063 aluminum alloy materials are when entering blasting cabinet, by two fixtures to the both ends of 6063 aluminum alloy materials
It is attached and supports, two fixtures are movably installed with motor, blasting cabinet far from one end of 6063 aluminum alloy materials
Inner upper be fixedly installed with multiple sandblasting pipelines, multiple abrator heads towards 6063 aluminium alloys of transmission equipment upper surface,
Blasting treatment is carried out by surface of the abrator head to 6063 aluminium alloys；
Step C: 6063 aluminium alloys after sandblasting are put into grease removal tank by oil removing by lifting appliance, addition in grease removal tank
There is mixed liquor, mixed liquor is water and sulfuric acid solution, 6063 aluminium alloys is carried out oil removal treatment, the temperature in grease removal tank is maintained at 60
DEG C, the ratio of sulfuric acid solution and water is 1:18, and 6063 aluminium alloys after sandblasting impregnate 5min in grease removal tank；
Step D: washing, 6063 aluminium alloys after oil removing is cleared up are put on a moving belt by lifting appliance, the conveyer belt
Top filtered water tank is installed, the water of filtered water tank is room temperature unboiled water, filtered water tank by sprinkler head by 6063 aluminium alloy outer surfaces into
Row cleaning, the bottom of conveyer belt is provided with waste water containing box, liquidates the clast fallen and waste water is collected；
Step E: alkali cleaning, fermentation vat is interior to contain a large amount of NaOH, alkaline etching agent will be added in fermentation vat, then in alkaline etching agent
Na3PO4, NaF, NH4HF2 and grape hydrochlorate are added, the content of NaOH is 60g/L, and the content of Na3PO4 is 10g/L, NaF precipitating
The content of agent is 12g/L, and the content of NH4HF2 is 10g/L, and the content of grape hydrochlorate is 14g/L；
Step F: neutralizing, and 6063 aluminium alloys after immersion are hung out out of fermentation vat by lifting appliance, are then placed in life
6063 aluminium alloys are neutralized in pond, and are cleaned, are room temperature, soaking time of the unboiled water pond to 6063 aluminium alloys in unboiled water pond
For 5min；
Step G: 6063 aluminium alloys after cleaning are moved in sulfuric acid pond by oxidation by lifting appliance, and sulfuric acid pond will
6063 aluminium alloys are impregnated, and carry out oxidation processes to 6063 aluminium alloys, and 23 DEG C of temperature in sulfuric acid pond, the voltage in sulfuric acid pond
For 19V, cleaned again with soft water after oxidation；
Step H: sealing of hole, normal-temperature hole sealing method hang in 6063 aluminium alloys after cleaning in sealing of hole pond by lifting appliance, envelope
Soft water has been inserted in Kong Chi, and has added suitable hole sealing agent in sealing of hole pond, and soaking time 15min, PH:6.5 are closed in 6063 aluminium
After golden sealing of hole, 6063 aluminium alloys are hung out by lifting appliance, and 6063 aluminium alloys are cleaned by soft water；
Step I: drying, and 6063 aluminium alloys after cleaning are contacted to simultaneously natural air drying with air；
Step J: molding, 6063 aluminium alloys after air-drying are by cutting equipment, using vertical patterning method to 6063 aluminium alloys
Both ends cut, complete 6063 aluminium alloys surface working process.
Table 3
The surface of 6063 aluminium alloys can be processed by above three groups of embodiments, wherein second group to 6063
The effect of aluminum alloy surface working process is best, and for the present invention compared with traditional acid etching process, pollution is smaller, and saves aluminium,
The total quality that ensure that aluminium, it is higher to the utilization rate of aluminium, after being processed by fermentation vat to 6063 aluminium alloys, aluminium
Material is more wear resistant, and more resistant to corrosion, intensity is higher, and NaF is added in alkaline etching agent, can carry out to the outer surface of 6063 aluminium alloys effectively close
Envelope is impregnated in 6063 aluminium alloys by grape hydrochlorate and is processed to prevent 6063 aluminium alloy outer surfaces from leading to the problem of non-uniform corrosion
When can improve the smooth reduction efficiency of 6063 aluminum alloy surfaces, flatten the outer surface of 6063 aluminium alloys more, so improve 6063
The total quality of aluminium alloy, while when being processed to 6063 aluminium alloys, the temperature in fermentation vat is controlled, 6063 aluminium alloy mistakes are prevented
Degree corrosion.
It should be noted that in the present invention unless specifically defined or limited otherwise, fisrt feature is in second feature
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact "up" or "down".
Moreover, fisrt feature can be above the second feature " above ", " above " and " above " fisrt feature right above second feature or tiltedly
Top, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature " under ", " lower section " and
" following " can be fisrt feature and be directly under or diagonally below the second feature, or be merely representative of first feature horizontal height less than
Two features.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (8)
1. a kind of process of surface treatment of 6063 aluminium alloy extrusions, which comprises the following steps:
Step A: cutting is first carried out 6063 aluminium alloys for needing to polish equidistant according to processing needs by cutting equipment
Cutting, it is by vertical patterning method, the cross-sectional cut of 6063 aluminium alloys is smooth；
Step B: 6063 aluminum alloy materials after cutting are fed forward by sandblasting one by one by transmission equipment, and transmission equipment passes through
The inside of blasting cabinet, 6063 aluminum alloy materials are when entering blasting cabinet, by two fixtures to the both ends of 6063 aluminum alloy materials
It is attached and supports, two fixtures are movably installed with motor, blasting cabinet far from one end of 6063 aluminum alloy materials
Inner upper be fixedly installed with multiple sandblasting pipelines, multiple abrator heads towards 6063 aluminium alloys of transmission equipment upper surface,
Blasting treatment is carried out by surface of the abrator head to 6063 aluminium alloys；
Step C: 6063 aluminium alloys after sandblasting are put into grease removal tank by oil removing by lifting appliance, added with mixed in grease removal tank
Liquid is closed, mixed liquor is water and sulfuric acid solution, and 6063 aluminium alloys are carried out oil removal treatment；
Step D: washing, 6063 aluminium alloys after oil removing is cleared up are put on a moving belt by lifting appliance, the top of the conveyer belt
Portion is equipped with filtered water tank, and filtered water tank is cleaned 6063 aluminium alloy outer surfaces by sprinkler head, and the bottom of conveyer belt is provided with
Waste water containing box, liquidates the clast fallen and waste water is collected；
Step E: alkali cleaning, adding in fermentation vat has NaOH, and alkaline etching agent then will be added in fermentation vat, is then added in alkaline etching agent
Na3PO4, NaF, NH4HF2 and grape hydrochlorate, supporting plate is fixedly installed with above fermentation vat, and the bottom of supporting plate is fixedly mounted
There is apparatus for automatically lifting, the bottom of apparatus for automatically lifting is fixedly connected with motor, and the lower section of motor is fixedly connected with by shaft
Paddle, while apparatus for automatically lifting drives motor to synchronize oscilaltion, paddle stirs the filling in fermentation vat equal
It is even, then it will be impregnated in the 6063 aluminium alloys filling fermentation vat after cleaning；
Step F: neutralizing, and 6063 aluminium alloys after immersion are hung out out of fermentation vat by lifting appliance, are then placed in unboiled water pond
It is interior that 6063 aluminium alloys are neutralized, and clean；
Step G: 6063 aluminium alloys after cleaning are moved in sulfuric acid pond by oxidation by lifting appliance, and sulfuric acid pond is by 6063 aluminium
Alloy is impregnated, and is carried out oxidation processes to 6063 aluminium alloys, is cleaned again with soft water after oxidation；
Step H: sealing of hole, normal-temperature hole sealing method are hung in 6063 aluminium alloys after cleaning in sealing of hole pond by lifting appliance, sealing of hole pond
Soft water has inside been inserted, and has added suitable hole sealing agent in sealing of hole pond, after carrying out sealing of hole to 6063 aluminum alloy surfaces, by 6063 aluminium
Alloy is hung out by lifting appliance, and is cleaned by soft water to 6063 aluminium alloys；
Step I: drying, and 6063 aluminium alloys after cleaning are contacted to simultaneously natural air drying with air；
Step J: molding, 6063 aluminium alloys after air-drying are by cutting equipment, using vertical patterning method to the two of 6063 aluminium alloys
End is cut, and the surface working process of 6063 aluminium alloys is completed.
2. a kind of process of surface treatment of 6063 aluminium alloy extrusions according to claim 1, it is characterised in that:
In the step B, the two sides of blasting cabinet offer channel, and 6063 aluminium alloy of transmission equipment support enters spray by the channel
The inside of sandbox.
3. a kind of process of surface treatment of 6063 aluminium alloy extrusions according to claim 1, it is characterised in that:
In the step C, the temperature in grease removal tank is maintained at 40 DEG C~60 DEG C, and the ratio of sulfuric acid solution and water is 1:18, sandblasting
6063 aluminium alloys afterwards impregnate 5~7min in grease removal tank.
4. a kind of process of surface treatment of 6063 aluminium alloy extrusions according to claim 1, it is characterised in that:
In the step E, the content of NaOH is 40g/L~60g/L, and the content of the Na3PO4 is 8g/L~15g/L, described
The content of NaF is 12g/L~18g/L, and the content of the NH4HF2 is 8g/L~12g/L, and the content of the grape hydrochlorate is
10g/L~15g/L.
5. a kind of process of surface treatment of 6063 aluminium alloy extrusions according to claim 1, it is characterised in that:
In the step D, the water of filtered water tank is room temperature unboiled water.
6. a kind of process of surface treatment of 6063 aluminium alloy extrusions according to claim 1, it is characterised in that:
It is room temperature in unboiled water pond in the step F, unboiled water pond is 2~5min to the soaking time of 6063 aluminium alloys.
7. a kind of process of surface treatment of 6063 aluminium alloy extrusions according to claim 1, it is characterised in that:
In the step G, 20 DEG C~23 DEG C of the temperature in sulfuric acid pond, the voltage in sulfuric acid pond is 17V~19V.
8. a kind of process of surface treatment of 6063 aluminium alloy extrusions according to claim 1, it is characterised in that:
In the step H, 10~15min of soaking time, PH:5.5~6.5.
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| CN110724956A (en) * | 2019-10-25 | 2020-01-24 | 亚太轻合金(南通)科技有限公司 | 6082 aluminum alloy metallographic corrosion method |
| CN112609190A (en) * | 2020-12-14 | 2021-04-06 | 李元 | Surface treatment process of aluminum alloy section |
| CN114990666A (en) * | 2022-06-17 | 2022-09-02 | 重庆臻宝实业有限公司 | Hole sealing liquid and hole sealing method for metal surface chemical treatment |
| CN115404483A (en) * | 2022-08-16 | 2022-11-29 | 浙江鸿昌铝业有限公司 | Surface treatment process of aluminum alloy section |
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| US20070029924A1 (en) * | 2005-08-03 | 2007-02-08 | Nobuyuki Ushifusa | Image display device |
| CN104562136A (en) * | 2013-10-21 | 2015-04-29 | 广东澳美铝业有限公司 | Frosting process for aluminum profile |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110724956A (en) * | 2019-10-25 | 2020-01-24 | 亚太轻合金(南通)科技有限公司 | 6082 aluminum alloy metallographic corrosion method |
| CN110724956B (en) * | 2019-10-25 | 2021-11-02 | 亚太轻合金(南通)科技有限公司 | 6082 aluminum alloy metallographic corrosion method |
| CN112609190A (en) * | 2020-12-14 | 2021-04-06 | 李元 | Surface treatment process of aluminum alloy section |
| CN114990666A (en) * | 2022-06-17 | 2022-09-02 | 重庆臻宝实业有限公司 | Hole sealing liquid and hole sealing method for metal surface chemical treatment |
| CN114990666B (en) * | 2022-06-17 | 2023-09-05 | 重庆臻宝科技股份有限公司 | Hole sealing method for metal surface chemical treatment |
| CN115404483A (en) * | 2022-08-16 | 2022-11-29 | 浙江鸿昌铝业有限公司 | Surface treatment process of aluminum alloy section |
| CN115404483B (en) * | 2022-08-16 | 2023-10-03 | 浙江鸿昌铝业有限公司 | Surface treatment process of aluminum alloy profile |
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