CN108624933A - A kind of aluminum products process of surface treatment at low cost - Google Patents
A kind of aluminum products process of surface treatment at low cost Download PDFInfo
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- CN108624933A CN108624933A CN201810619901.7A CN201810619901A CN108624933A CN 108624933 A CN108624933 A CN 108624933A CN 201810619901 A CN201810619901 A CN 201810619901A CN 108624933 A CN108624933 A CN 108624933A
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- aluminum products
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- low cost
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/06—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving oscillating or vibrating containers
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/12—Light metals
- C23G1/125—Light metals aluminium
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses a kind of aluminum products process of surface treatment at low cost, including following implementation steps：S1, oil removing process：Aluminum products are put into and carry out oil removing in alkaline solution, the time is 20S 30S, then with clear water clean primary；S2, grinding process：First several silica granules are poured into the grinding chamber of industrial vibration grinder, form silica granule heap, clear water is poured into the grinding chamber of industrial vibration grinder again, and the clear water poured into did not had silica granule heap, was finally poured into the aluminum products that oil removing process is handled in the grinding chamber of industrial vibration grinder；The aluminum products process of surface treatment at low cost, if milling being poured into the aluminum products after oil removing process in the industrial vibration grinder containing silica granule, on the one hand silica granule can polish to the burr on aluminum products surface, silica in another aspect silica granule can neutralize alkaline solution, so that aluminum products after alkaline solution oil removal treatment without adding acid solution by being neutralized.
Description
Technical field
The present invention relates to aluminum products technical field of surface, specially a kind of aluminum products at low cost are surface-treated work
Skill.
Background technology
Aluminium and aluminium alloy have density small, a series of advantage such as intensity is high, at low cost, corrosion resistance and good moldability,
The fields such as automobile, building, fire-fighting equipment, bridge, which suffer from, to be widely applied.But aluminium and aluminum alloy surface are covered with one layer of oxidation
Film, the oxidation film are vulnerable to the corrosion of strong acid and highly basic, while being also easy to produce intercrystalline corrosion, and case hardness is low, not wear-resisting；Therefore,
In order to overcome drawbacks described above, generally the surface of aluminium and Al alloy parts is handled.
With aluminum smelting technology and Processing Technology Development, aluminum products have been widely used in aviation, building materials, vehicle, ship, light industry
Equal departments.In states such as external advanced industrialized countries such as American and Britain, Japan, from the '20s exploitation industrial production aluminum products sun
Pole oxidation film is counted, and in the late six decades, the process for treating surface development of aluminum products is extremely rapid.For light industrial goods, application
Automation equipment, the product that stringent technique aoxidizes out, by hectographic printing, thermal transfer printing coloring, the dresses such as electrophoretic coating
The processing of decorations property, will make product give very beautiful, exquisite appearance.The aluminum products industry starting in China is slower, but develops
Quickly.From liberation, just only several small enterprises have possessed a large enterprise more than 100 that spreads all over the country till now, and annual output is more than five
Ten thousand tons.But as living standards of the people are continuously improved, aluminum products far can not still meet people's lives demand, especially and state
Outer similar product is compared, and in terms of quality and pattern variety, is had a long way to go, it is shown that China's aluminum products are processed and surface treatment skill
Art falls behind relatively.In recent years, it by frequent domestic and international scientific and technological exchange and the effort of scientific worker, tests and uses
Some new processes and new technology, but generally speaking, when aluminum products process for treating surface aspect in China's is still in development leaved for development
Phase.
Currently, existing aluminum products are typically necessary by carrying out oil removal treatment in alkaline solution, however passing through alkalinity
Aluminum products after solution treatment also need to carry out neutralizing alkalinity by acidic liquid, not only increase aluminum products manufacture craft step
Suddenly, while technique manufacturing cost is also increased, using with limitation.
Invention content
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of aluminum products process of surface treatment at low cost, solves
Problem in background technology.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of aluminum products surface at low cost
Treatment process, including following implementation steps：
S1, oil removing process：Aluminum products are put into and carry out oil removing in alkaline solution, then time 20S-30S uses clear water
Clean primary；
S2, grinding process：First several silica granules are poured into the grinding chamber of industrial vibration grinder, form silica
Grain heap, then the clear water that clear water is poured into the grinding chamber of industrial vibration grinder, and poured into did not had silica granule heap, will finally remove
The aluminum products of oily process processing are poured into the grinding chamber of industrial vibration grinder；
S3, ground and cleaned process：Aluminum alloy cleaning agent is added in the grinding chamber of industrial vibration grinder and is ground
Vibration washing, grinding vibration washing time are 3-5min, remove the surface impurity of aluminum workpiece；
S4, the bright process of grinding：Aluminium alloy brightener is added in the grinding chamber of industrial vibration grinder and is ground
Light processing, it is 8-12min to grind the bright time, enables aluminum alloy to brightener and penetrates into the primary colors that aluminium is presented in aluminum products surface, and shape
At protection film layer；
S5, anodic oxidation filming process：By the aluminum products after grinding is bright be put into temperature be 3-5 DEG C, density 5%
In sulfuric acid electrolyte, it is inserted into aluminum metal electrode in the electrolytic solution as cathode, the cathode of the electrode, the surface area ratio of anode are
1:1, it is 2.0-3.0A/dm to be passed through density2Electric current 45-80 minutes, the oxygen for being 30-40um in the Surface Creation thickness of aluminum products
Change film；
S6, washing step：Will oxidation filming process treated aluminum workpiece two level deionized water soaking and washing or
Cleaning showers；
S7, stoving process：By washing step, treated that aluminum workpiece is put into drying box dries, and drying temperature is
120-140 DEG C, drying time 8-12min.
As a preferred technical solution of the present invention, silica granule is vein quartz or quartz in the S2.
As a preferred technical solution of the present invention, aluminum alloy cleaning agent is by following weight percentage in the S3
Component is made：Tertiary sodium phosphate 5.5-6.5%, sodium metasilicate 4-7%, sodium dihydrogen phosphate 3-4.5%, neopelex 0.5-
0.9%, triethanolamine 2.5-4.5%, water 83-89%.
As a preferred technical solution of the present invention, aluminium alloy brightener calculates it by following parts by weight in the S4
Contain：20-38 parts of industrial alcohol, 7-12 parts of isopropanol, 20-40 parts of ethyl acetate, 15-30 parts of polyvinyl alcohol contracting fourth
Aldehyde, 30-40 parts of dibutyl phthalate, 10-20 parts of butyl acetate and 20-38 parts of industrial alcohol.
As a preferred technical solution of the present invention, a concentration of 100-200g/L of sulfuric acid electrolyte in the S5.
As a preferred technical solution of the present invention, aluminum workpiece two level deionized water soaking and washing in the S6
Or the time of cleaning showers is 10-15min, water temperature is 25-40 DEG C.
(3) advantageous effect
The present invention provides a kind of aluminum products process of surface treatment at low cost, have following advantageous effect：
(1), aluminum products process of surface treatment at low cost, if containing being poured into the aluminum products after oil removing process
It mills in the industrial vibration grinder of silica granule, on the one hand silica granule can beat the burr on aluminum products surface
Mill, the silica in another aspect silica granule can neutralize alkaline solution, so as to pass through alkalinity molten for aluminum products
It is neutralized after liquid oil removal treatment without adding acid solution, reduces processing step, while also reducing work manufacturing cost.
(2), the aluminum products process of surface treatment at low cost, by oil removing process, grinding process, ground and cleaned process,
The bright process of grinding, a series of works of anodic oxidation filming process, anodic oxidation filming process, washing step and stoving process
The process of surface treatment step of skill, aluminum products is simple, and production cost is relatively low, use easy to spread.
Specific implementation mode
Embodiment one
A kind of aluminum products process of surface treatment at low cost, including following implementation steps：
S1, oil removing process：Aluminum products are put into and carry out oil removing in alkaline solution, then time 20S is carried out with clear water
Cleaning is primary；
S2, grinding process：First several silica granules are poured into the grinding chamber of industrial vibration grinder, form silica
Grain heap, then the clear water that clear water is poured into the grinding chamber of industrial vibration grinder, and poured into did not had silica granule heap, will finally remove
The aluminum products of oily process processing are poured into the grinding chamber of industrial vibration grinder；
S3, ground and cleaned process：Aluminum alloy cleaning agent is added in the grinding chamber of industrial vibration grinder and is ground
Vibration washing, grinding vibration washing time are 3min, remove the surface impurity of aluminum workpiece；
S4, the bright process of grinding：Aluminium alloy brightener is added in the grinding chamber of industrial vibration grinder and is ground
Light is handled, and it is 8min to grind the bright time, is enabled aluminum alloy to brightener and is penetrated into the primary colors of aluminum products surface presentation aluminium, and forms guarantor
Cuticular layer；
S5, anodic oxidation filming process：Aluminum products after grinding is bright are put into temperature as 3 DEG C, the sulphur of density 5%
In acid electrolyte, it is inserted into aluminum metal electrode in the electrolytic solution as cathode, the cathode of the electrode, the surface area ratio of anode are 1:
1, it is 2.0A/dm to be passed through density2Electric current 45 minutes, the oxidation film for being 30um in the Surface Creation thickness of aluminum products；
S6, washing step：Will oxidation filming process treated aluminum workpiece two level deionized water soaking and washing or
Cleaning showers；
S7, stoving process：By washing step, treated that aluminum workpiece is put into drying box dries, and drying temperature is
120 DEG C, drying time 8min.
Silica granule is vein quartz or quartz in the S2.
Aluminum alloy cleaning agent is made of the component of following weight percentage in the S3：Tertiary sodium phosphate 5.5%, sodium metasilicate
4%, sodium dihydrogen phosphate 3%, neopelex 0.5%, triethanolamine 2.5%, water 83%.
Aluminium alloy brightener calculates it by following parts by weight and contains in the S4：20 parts of industrial alcohol, 7 parts of isopropyl
Alcohol, 20 parts of ethyl acetate, 15 parts of polyvinyl butyral, 30 parts of dibutyl phthalate, 10 parts of butyl acetate
With 20 parts of industrial alcohol.
A concentration of 100-200g/L of sulfuric acid electrolyte in the S5.
Aluminum workpiece is 10min, water temperature with the time of two level deionized water soaking and washing or cleaning showers in the S6
It is 25 DEG C.
Embodiment two
A kind of aluminum products process of surface treatment at low cost, including following implementation steps：
S1, oil removing process：Aluminum products are put into and carry out oil removing in alkaline solution, then time 25S is carried out with clear water
Cleaning is primary；
S2, grinding process：First several silica granules are poured into the grinding chamber of industrial vibration grinder, form silica
Grain heap, then the clear water that clear water is poured into the grinding chamber of industrial vibration grinder, and poured into did not had silica granule heap, will finally remove
The aluminum products of oily process processing are poured into the grinding chamber of industrial vibration grinder；
S3, ground and cleaned process：Aluminum alloy cleaning agent is added in the grinding chamber of industrial vibration grinder and is ground
Vibration washing, grinding vibration washing time are 4min, remove the surface impurity of aluminum workpiece；
S4, the bright process of grinding：Aluminium alloy brightener is added in the grinding chamber of industrial vibration grinder and is ground
Light is handled, and it is 10min to grind the bright time, is enabled aluminum alloy to brightener and is penetrated into the primary colors of aluminum products surface presentation aluminium, and is formed
Protection film layer；
S5, anodic oxidation filming process：Aluminum products after grinding is bright are put into temperature as 4 DEG C, the sulphur of density 5%
In acid electrolyte, it is inserted into aluminum metal electrode in the electrolytic solution as cathode, the cathode of the electrode, the surface area ratio of anode are 1:
1, it is 2.5A/dm to be passed through density2Electric current 60 minutes, the oxidation film for being 35um in the Surface Creation thickness of aluminum products；
S6, washing step：Will oxidation filming process treated aluminum workpiece two level deionized water soaking and washing or
Cleaning showers；
S7, stoving process：By washing step, treated that aluminum workpiece is put into drying box dries, and drying temperature is
130 DEG C, drying time 10min.
Silica granule is vein quartz or quartz in the S2.
Aluminum alloy cleaning agent is made of the component of following weight percentage in the S3：Tertiary sodium phosphate 6%, sodium metasilicate
5%, sodium dihydrogen phosphate 3.8%, neopelex 0.6%, triethanolamine 3.5%, water 85%.
Aluminium alloy brightener calculates it by following parts by weight and contains in the S4：30 parts of industrial alcohol, 9 parts of isopropyl
Alcohol, 30 parts of ethyl acetate, 25 parts of polyvinyl butyral, 20 parts of dibutyl phthalate, 15 parts of butyl acetate
With 30 parts of industrial alcohol.
A concentration of 150g/L of sulfuric acid electrolyte in the S5.
Aluminum workpiece is 13min, water temperature with the time of two level deionized water soaking and washing or cleaning showers in the S6
It is 35 DEG C.
Embodiment three
A kind of aluminum products process of surface treatment at low cost, including following implementation steps：
S1, oil removing process：Aluminum products are put into and carry out oil removing in alkaline solution, then time 30S is carried out with clear water
Cleaning is primary；
S2, grinding process：First several silica granules are poured into the grinding chamber of industrial vibration grinder, form silica
Grain heap, then the clear water that clear water is poured into the grinding chamber of industrial vibration grinder, and poured into did not had silica granule heap, will finally remove
The aluminum products of oily process processing are poured into the grinding chamber of industrial vibration grinder；
S3, ground and cleaned process：Aluminum alloy cleaning agent is added in the grinding chamber of industrial vibration grinder and is ground
Vibration washing, grinding vibration washing time are 3-5min, remove the surface impurity of aluminum workpiece；
S4, the bright process of grinding：Aluminium alloy brightener is added in the grinding chamber of industrial vibration grinder and is ground
Light is handled, and it is 12min to grind the bright time, is enabled aluminum alloy to brightener and is penetrated into the primary colors of aluminum products surface presentation aluminium, and is formed
Protection film layer；
S5, anodic oxidation filming process：Aluminum products after grinding is bright are put into temperature as 5 DEG C, the sulphur of density 5%
In acid electrolyte, it is inserted into aluminum metal electrode in the electrolytic solution as cathode, the cathode of the electrode, the surface area ratio of anode are 1:
1, it is 3.0A/dm to be passed through density2Electric current 80 minutes, the oxidation film for being 40um in the Surface Creation thickness of aluminum products；
S6, washing step：Will oxidation filming process treated aluminum workpiece two level deionized water soaking and washing or
Cleaning showers；
S7, stoving process：By washing step, treated that aluminum workpiece is put into drying box dries, and drying temperature is
140 DEG C, drying time 12min.
Silica granule is vein quartz or quartz in the S2.
Aluminum alloy cleaning agent is made of the component of following weight percentage in the S3：Tertiary sodium phosphate 6.5%, sodium metasilicate
7%, sodium dihydrogen phosphate 4.5%, neopelex 0.9%, triethanolamine 4.5%, water 89%.
Aluminium alloy brightener calculates it by following parts by weight and contains in the S4：38 parts of industrial alcohol, 12 parts different
Propyl alcohol, 40 parts of ethyl acetate, 30 parts of polyvinyl butyral, 40 parts of dibutyl phthalate, 20 parts of acetic acid fourth
Ester and 38 parts of industrial alcohol.
A concentration of 200g/L of sulfuric acid electrolyte in the S5.
Aluminum workpiece is 15min, water temperature with the time of two level deionized water soaking and washing or cleaning showers in the S6
It is 40 DEG C.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " including one ... the element limited, it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of aluminum products process of surface treatment at low cost, it is characterised in that：Including following implementation steps：
S1, oil removing process：Aluminum products are put into and carry out oil removing in alkaline solution, then time 20S-30S is carried out with clear water
Cleaning is primary；
S2, grinding process：First several silica granules are poured into the grinding chamber of industrial vibration grinder, form silica granule
Heap, then the clear water that clear water is poured into the grinding chamber of industrial vibration grinder, and poured into did not had silica granule heap, finally by oil removing
The aluminum products of process processing are poured into the grinding chamber of industrial vibration grinder；
S3, ground and cleaned process：Aluminum alloy cleaning agent is added in the grinding chamber of industrial vibration grinder and is ground vibration
Cleaning, grinding vibration washing time are 3-5min, remove the surface impurity of aluminum workpiece；
S4, the bright process of grinding：Aluminium alloy brightener is added in the grinding chamber of industrial vibration grinder and is ground light
Processing, it is 8-12min to grind the bright time, enables aluminum alloy to brightener infiltration aluminum products surface and the primary colors of aluminium is presented, and form guarantor
Cuticular layer；
S5, anodic oxidation filming process：Aluminum products after grinding is bright are put into temperature as 3-5 DEG C, the sulfuric acid of density 5%
In electrolyte, it is inserted into aluminum metal electrode in the electrolytic solution as cathode, the cathode of the electrode, the surface area ratio of anode are 1:1,
It is 2.0-3.0A/dm to be passed through density2Electric current 45-80 minutes, the oxidation for being 30-40um in the Surface Creation thickness of aluminum products
Film；
S6, washing step：It will oxidation filming process treated aluminum workpiece two level deionized water soaking and washing or spray
Cleaning；
S7, stoving process：By washing step, treated that aluminum workpiece is put into drying box dries, drying temperature 120-
140 DEG C, drying time 8-12min.
2. a kind of aluminum products process of surface treatment at low cost according to claim 1, which is characterized in that silicon in the S2
Stone particle is vein quartz or quartz.
3. a kind of aluminum products process of surface treatment at low cost according to claim 1, which is characterized in that aluminium in the S3
Alloy cleaning agent is made of the component of following weight percentage：Tertiary sodium phosphate 5.5-6.5%, sodium metasilicate 4-7%, biphosphate
Sodium 3-4.5%, neopelex 0.5-0.9%, triethanolamine 2.5-4.5%, water 83-89%.
4. a kind of aluminum products process of surface treatment at low cost according to claim 1, which is characterized in that aluminium in the S4
Alloy brightener calculates it by following parts by weight and contains：20-38 parts of industrial alcohol, 7-12 parts of isopropanol, 20-40 parts
Ethyl acetate, 15-30 parts of polyvinyl butyral, 30-40 parts of dibutyl phthalate, 10-20 parts of butyl acetate
With 20-38 parts of industrial alcohol.
5. a kind of aluminum products process of surface treatment at low cost according to claim 1, which is characterized in that sulphur in the S5
A concentration of 100-200g/L of acid electrolyte.
6. a kind of aluminum products process of surface treatment at low cost according to claim 1, which is characterized in that aluminium in the S6
Article workpiece is 10-15min with the time of two level deionized water soaking and washing or cleaning showers, and water temperature is 25-40 DEG C.
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| CN201810619901.7A CN108624933A (en) | 2018-06-14 | 2018-06-14 | A kind of aluminum products process of surface treatment at low cost |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480426A (en) * | 2019-09-03 | 2019-11-22 | 贵州航天精工制造有限公司 | A kind of polishing method of irregular inner hole |
| CN111102078A (en) * | 2019-11-28 | 2020-05-05 | 四川泛华航空仪表电器有限公司 | Method for removing oxide layer of conducting rod of ignition electric nozzle |
| CN112077729A (en) * | 2020-08-17 | 2020-12-15 | 韶关骏汇汽车零部件有限公司 | Glossiness surface treatment process |
| CN112975595A (en) * | 2021-04-20 | 2021-06-18 | 江苏珀然股份有限公司 | Automobile hub surface processing method |
-
2018
- 2018-06-14 CN CN201810619901.7A patent/CN108624933A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480426A (en) * | 2019-09-03 | 2019-11-22 | 贵州航天精工制造有限公司 | A kind of polishing method of irregular inner hole |
| CN111102078A (en) * | 2019-11-28 | 2020-05-05 | 四川泛华航空仪表电器有限公司 | Method for removing oxide layer of conducting rod of ignition electric nozzle |
| CN112077729A (en) * | 2020-08-17 | 2020-12-15 | 韶关骏汇汽车零部件有限公司 | Glossiness surface treatment process |
| CN112975595A (en) * | 2021-04-20 | 2021-06-18 | 江苏珀然股份有限公司 | Automobile hub surface processing method |
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Application publication date: 20181009 |