CN103253072B - Aluminium alloy surface treatment method and products thereof - Google Patents
Aluminium alloy surface treatment method and products thereof Download PDFInfo
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- CN103253072B CN103253072B CN201210034812.9A CN201210034812A CN103253072B CN 103253072 B CN103253072 B CN 103253072B CN 201210034812 A CN201210034812 A CN 201210034812A CN 103253072 B CN103253072 B CN 103253072B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0052—Digital printing on surfaces other than ordinary paper by thermal printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0058—Digital printing on surfaces other than ordinary paper on metals and oxidised metal surfaces
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- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- ing And Chemical Polishing (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
A kind of aluminium alloy surface treatment method and products thereof, the method comprising the steps of: by aluminium alloy impact briquetting to desired shape; By the aluminum alloy machinery polishing after impact briquetting; To the aluminium alloy skimming treatment after mechanical polishing in grease-removing agent; Aluminium alloy after skimming treatment is inserted in acid storage and carries out first time anodic oxidation; Aluminium alloy after above-mentioned first time anodic oxidation is placed in dyestuff dye, and carries out sealing pores after dyeing; Aluminum alloy surface silk screen printing photosensitive-ink in above-mentioned dyeing and after sealing pores, and expose, develop and photocuring process; Aluminium alloy after above-mentioned printing is moved back oxide film process in basic solution; By the alloy product sandblasting after process; By the alloy product second time anodic oxidation treatment after above-mentioned sandblasting, and by the product sealing pores after second time anodic oxidation; Above-mentioned alloy product surface sense ink is removed.This product is the alloy product produced after the method process.
Description
[technical field]
The present invention relates to a kind of aluminium alloy surface treatment method and products thereof, be specifically related to a kind ofly obtain surface treatment method of mirror effect and sand face effect and products thereof in aluminum alloy surface.
[background technology]
The aluminium alloy anode oxide product with sand face effect or mirror effect has been widely used in electronics, communication and consumer product field, and dark liking by client.
But product in the market, great majority only have a kind of effect of chiltern sense, or only have a kind of mirror effect, and the product having chiltern sense and mirror effect concurrently does not almost have simultaneously.
In view of this, be necessary to provide a kind of aluminium alloy surface treatment method in fact, to make both to obtain mirror effect on alloy product surface, obtain sand face effect again.
[summary of the invention]
In view of above problem, the object of this invention is to provide a kind of aluminium alloy surface treatment method and products thereof, thus obtain mirror effect on alloy product surface and have sand face effect concurrently.
In order to achieve the above object, the invention provides a kind of aluminium alloy surface treatment method, it comprises the following steps:
(1) by aluminium alloy impact briquetting to desired shape;
(2) by the aluminum alloy machinery polishing after impact briquetting, mirror effect is reached;
(3) in grease-removing agent to the aluminium alloy skimming treatment after mechanical polishing, remove surperficial grease;
(4) aluminium alloy after skimming treatment is inserted in acid storage carry out first time anodic oxidation;
(5) aluminium alloy after above-mentioned first time anodic oxidation is placed in dyestuff to dye, and carries out sealing pores after dyeing;
(6) the aluminum alloy surface silk screen printing photosensitive-ink in above-mentioned dyeing and after sealing pores, and expose, develop and photocuring process;
(7) aluminium alloy after above-mentioned photocuring is moved back oxide film process in basic solution, to remove the oxide film and dyestuff that do not print photosensitive-ink region;
(8) will the aluminium alloy sandblasting after oxide treatment be moved back, occur chiltern sense to make not printing photosensitive-ink region;
(9) by after above-mentioned sandblasting aluminium alloy second time anodic oxidation treatment, and after second time anodic oxidation sealing pores;
(10) above-mentioned aluminum alloy surface photosensitive-ink is removed.
Especially, in described step (1): aluminium alloy is the aluminium of 1 series or 2 series or 5 series or 6 series or 7 series.
Especially, in described step (3): the concentration of grease-removing agent is 5% ~ 8%.
Especially, after described step (3), before step (4), also comprise step: the aluminium alloy after degreasing is gone out optical processing to remove surface film oxide, and will the aluminium alloy neutralizing treatment after optical processing be gone out.
Especially, above-mentioned neutralizing treatment adopts concentration to be the salpeter solution of 20 ~ 40%, the oxyhydroxide grey black formed during to remove out optical processing.
Especially, in described step (4) and step (9): being oxidized tank liquor in acid storage is sulfuric acid, and voltage is 14 volts, and oxidation trough liquid temp is 18 ~ 20 DEG C, and the treatment time is 20 ~ 40 minutes.
Especially, after described step (5), before step (6), also comprise step: by the aluminium alloy washing after sealing pores, then aluminum alloy surface is toasted.
Especially, in described step (6), photosensitive-ink is the ink of acid and alkali-resistance and sandblast resistant durable, is preferably UV curing inks.
Especially, in described step (8): adopt automatic sand-blasting machine to carry out sandblasting to aluminium alloy.
Especially, after described step (8), before step (9), also comprise step: the aluminium alloy alkali after sandblasting is stung process, then aluminium alloying is thrown and neutralizing treatment.
Especially, in described step (9): during second time anodic oxidation, the gauge control of anode oxide film is at 8 ~ 10 μm, and glossiness controls 13 ~ 17.
Especially, in described step (10): adopt organic solvent or paint remover to be removed by ink.
The present invention also provides a kind of aluminum alloy surface treating product, and it is the above-mentioned alloy product produced after aluminium alloy surface treatment method process.
Compared to prior art, aluminium alloy surface treatment method of the present invention and products thereof, the mode of mechanical polishing is adopted to obtain the mirror effect with high-reflectivity, carry out anodic oxidation to improve the sandblast resistant durable performance of product simultaneously, and sandblasting is carried out to product, make product surface have mirror effect and sandblasting effect concurrently, make the outward appearance of product have more aesthetic feeling and stereoscopic sensation, make the outward appearance of product more gorgeous and have more gradation sense further.
[accompanying drawing explanation]
Fig. 1 illustrates the schema of aluminium alloy surface treatment method of the present invention.
[embodiment]
For having further understanding to object of the present invention, method steps and function, referring to Fig. 1, and being described in detail as follows:
The invention provides a kind of aluminium alloy surface treatment method, it comprises the following steps:
Step 1001: by aluminium alloy impact briquetting to desired shape, this aluminium alloy can be the aluminium of 1 series or 2 series or 5 series or 6 series or 7 series;
Step 1002: by the aluminum alloy machinery polishing after impact briquetting, reach mirror effect;
Step 1003: in concentration be in the grease-removing agent of 5% ~ 8% to the aluminium alloy skimming treatment after mechanical polishing, remove surperficial grease and buffing wax; Aluminium alloy after degreasing is gone out optical processing to remove surface film oxide, and will go out the aluminium alloy neutralizing treatment after optical processing, neutralizing treatment adopts concentration to be the salpeter solution of 20 ~ 40%, the oxyhydroxide grey black formed during to remove out optical processing;
Step 1004: the aluminium alloy after above-mentioned process is inserted in acid storage and carries out first time anodic oxidation, being oxidized tank liquor in acid storage is sulfuric acid, voltage is 14 volts, oxidation trough liquid temp is 18 ~ 20 DEG C, treatment time is 20 ~ 40 minutes, and after first time anodic oxidation, aluminum alloy surface obtains one deck anode oxide film;
Step 1005: the aluminium alloy after above-mentioned first time anodic oxidation is placed in dyestuff and dyes, to obtain distinct colors, this dyestuff can be redness, black or brown, and sealing pores is carried out after dyeing, with the anode oxidation membrane sealing treatment by gained during first time anodic oxidation, to improve the corrosion resistance nature of anode oxide film; By the aluminium alloy washing after sealing pores, then aluminum alloy surface is toasted;
Step 1006: aluminum alloy surface silk screen printing photosensitive-ink after the treatment, to obtain different pattern effect, and expose, develop and photocuring process, wherein said photosensitive-ink is the ink of acid and alkali-resistance and sandblast resistant durable, is preferably UV curing inks;
Step 1007: the aluminium alloy after above-mentioned printing is moved back oxide film process in basic solution, corrosion reaction is just played in the region of now not printing photosensitive-ink, the oxide film not printing photosensitive-ink region surface is removed, the Dye Removal that simultaneously also can will adsorb in anode oxidation membrane, thus printing photosensitive-ink region is highlighted;
Step 1008: the aluminium alloy after process is adopted automatic sand-blasting machine sandblasting, occurs chiltern sense to make not printing photosensitive-ink region, thus obtain pattern or the word with chiltern sense; Aluminium alloy alkali after sandblasting is stung process with the anode oxide film removing chiltern sensillary area territory, then aluminium alloying is thrown process with the glossiness improving workpiece, after changing throwing process, neutralizing treatment throws the sour mud formed with removalization again;
Step 1009: by the aluminium alloy second time anodic oxidation treatment after above-mentioned process, during second time anodic oxidation, being oxidized tank liquor in acid storage is sulfuric acid, voltage is 14 volts, oxidation trough liquid temp is 18 ~ 20 DEG C, and the treatment time is 20 ~ 40 minutes, and the gauge control of anode oxide film is at 8 ~ 10 μm, glossiness controls 13 ~ 17, and by the aluminium alloy sealing process after second time anodic oxidation;
Not only step 1010: adopt organic solvent or paint remover above-mentioned aluminum alloy surface photosensitive-ink to be removed, the final aluminum alloy surface obtained possesses specular removal really but also have pattern or the word of chiltern sense concurrently.
The present invention also provides a kind of aluminum alloy surface treating product, and it is the above-mentioned alloy product produced after aluminium alloy surface treatment method process.
Refer to following table, following table is the performance test table of the alloy product produced after aluminium alloy surface treatment method process of the present invention.
| Thickness | Glossiness | |
| Mirror effect part | 9～11μm | 95～115 |
| Chiltern effect portion | 8～10μm | 13～17 |
Compared to prior art, aluminium alloy surface treatment method of the present invention and products thereof, the mode of mechanical polishing is adopted to obtain the mirror effect with high-reflectivity, carry out anodic oxidation to improve the sandblast resistant durable performance of product simultaneously, and sandblasting is carried out to product, make product surface have mirror effect and sandblasting effect concurrently, make the outward appearance of product have more aesthetic feeling and stereoscopic sensation, make the outward appearance of product more gorgeous and have more gradation sense further.
It is noted that the invention is not restricted to above-mentioned embodiment, any simple modification that any those skilled in the art do above-described embodiment based on technical solution of the present invention, equivalent variations and modification, all fall within the scope of protection of the present invention.
Claims (13)
1. an aluminium alloy surface treatment method, is characterized in that, it comprises the following steps:
(1) by aluminium alloy impact briquetting to desired shape;
(2) by the aluminum alloy machinery polishing after impact briquetting, mirror effect is reached;
(3) in grease-removing agent to the aluminium alloy skimming treatment after mechanical polishing, remove surperficial grease;
(4) aluminium alloy after skimming treatment is inserted in acid storage carry out first time anodic oxidation;
(5) aluminium alloy after above-mentioned first time anodic oxidation is placed in dyestuff to dye, and carries out sealing pores after dyeing;
(6) the aluminum alloy surface silk screen printing photosensitive-ink in above-mentioned dyeing and after sealing pores, and expose, develop and photocuring process;
(7) aluminium alloy after above-mentioned photocuring is moved back oxide film process in basic solution, to remove the oxide film and dyestuff that do not print photosensitive-ink region;
(8) will the aluminium alloy sandblasting after oxide treatment be moved back, occur chiltern sense to make not printing photosensitive-ink region;
(9) by after above-mentioned sandblasting aluminium alloy second time anodic oxidation treatment, and after second time anodic oxidation sealing pores;
(10) above-mentioned aluminum alloy surface photosensitive-ink is removed.
2. aluminium alloy surface treatment method according to claim 1, is characterized in that, in described step (1): aluminium alloy is the aluminium of 1 series or 2 series or 5 series or 6 series or 7 series.
3. aluminium alloy surface treatment method according to claim 1, is characterized in that, in described step (3): the concentration of grease-removing agent is 5% ~ 8%.
4. aluminium alloy surface treatment method according to claim 1, it is characterized in that, after described step (3), before step (4), also comprise step: the aluminium alloy after degreasing is gone out optical processing to remove surface film oxide, and will the aluminium alloy neutralizing treatment after optical processing be gone out.
5. aluminium alloy surface treatment method according to claim 4, is characterized in that, above-mentioned neutralizing treatment adopts concentration to be the salpeter solution of 20 ~ 40%, the oxyhydroxide grey black formed during to remove out optical processing.
6. aluminium alloy surface treatment method according to claim 1, it is characterized in that, in described step (4) and step (9): being oxidized tank liquor in acid storage is sulfuric acid, and voltage is 14 volts, oxidation trough liquid temp is 18 ~ 20 DEG C, and the treatment time is 20 ~ 40 minutes.
7. aluminium alloy surface treatment method according to claim 1, is characterized in that, after described step (5), before step (6), also comprises step: by the aluminium alloy washing after sealing pores, then toast aluminum alloy surface.
8. aluminium alloy surface treatment method according to claim 1, is characterized in that, in described step (6), photosensitive-ink is the ink of acid and alkali-resistance and sandblast resistant durable.
9. aluminium alloy surface treatment method according to claim 1, is characterized in that, in described step (8): adopt automatic sand-blasting machine to carry out sandblasting to aluminium alloy.
10. aluminium alloy surface treatment method according to claim 1, it is characterized in that, after described step (8), before step (9), also comprise step: the aluminium alloy alkali after sandblasting is stung process, then by Al alloy parts throwing and neutralizing treatment.
11. aluminium alloy surface treatment method according to claim 1, is characterized in that, in described step (9): during second time anodic oxidation, the gauge control of anode oxide film is at 8 ~ 10 μm, and glossiness controls 13 ~ 17.
12. aluminium alloy surface treatment method according to claim 1, is characterized in that, in described step (10): adopt organic solvent or paint remover to be removed by ink.
13. 1 kinds of aluminum alloy surface treating product, is characterized in that, the alloy product of this aluminum alloy surface treating product for producing after the aluminium alloy surface treatment method process such as according to any one of claim 1-12.
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| CN201210034812.9A CN103253072B (en) | 2012-02-16 | 2012-02-16 | Aluminium alloy surface treatment method and products thereof |
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| CN201210034812.9A CN103253072B (en) | 2012-02-16 | 2012-02-16 | Aluminium alloy surface treatment method and products thereof |
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| CN103253072B true CN103253072B (en) | 2015-08-12 |
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| CN106947993A (en) * | 2017-03-27 | 2017-07-14 | 东莞智富五金制品有限公司 | A kind of noninductive light anodic process |
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