CN208980815U - A kind of coating structure of aluminum alloy die casting - Google Patents
A kind of coating structure of aluminum alloy die casting Download PDFInfo
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- CN208980815U CN208980815U CN201821728907.XU CN201821728907U CN208980815U CN 208980815 U CN208980815 U CN 208980815U CN 201821728907 U CN201821728907 U CN 201821728907U CN 208980815 U CN208980815 U CN 208980815U
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- die casting
- alloy die
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Abstract
The utility model provides a kind of coating structure of aluminum alloy die casting, composite layer including being plated on aluminum alloy base material surface, the composite layer includes the displacement zinc coating stacked gradually, bottom nickel coating, cupric pyrophosphate coating, sulfuric acid copper coating, full light nickel coating and non-ferrous metal coating, and the compound layer surface forms the recessed portion of a plurality of filiform by wire drawing；It further include antimicrobial powder paint layer, the antimicrobial powder paint layer is attached at the compound layer surface with recessed portion.Coating structure can be reduced, save cost, and there is antibacterial effect.
Description
Technical field
The utility model relates to aluminum alloy die casting manufacture fields, and in particular to a kind of coating knot of aluminum alloy die casting
Structure.
Background technique
Door handle generallys use die-casting process production molding, is one of the product of die casting.As shown in Figure 1, being existing door
One of structure of handle 1.Existing door handle material generally uses aluminum alloy material, in aluminium alloy door's handle processing technology
In, it needs to plate composite layer on aluminum alloy base material, to play corresponding protection and beautiful effect.In the prior art, conventional
Composite layer generally comprise the displacement zinc coating being stacked, bottom nickel coating, cupric pyrophosphate coating, sulfuric acid copper coating, semi-gloss nickel
Coating, full light nickel coating and the black coating of dye, it is subsequent that liquid lacquer coat is enclosed by spraying or electrophoretic in compound layer surface again.
Above-mentioned lamination layer structure is complex, and electroplating work procedure is more, and raw material is more, higher cost；The liquid lacquer coat of spraying
Surface resistance to corrosion is poor, and product service life is lower.And liquid lacquer coat nonreactive bacterium function, product in use without
Method avoids spread of germs.
Utility model content
For this purpose, the utility model, which provides one kind, can reduce coating structure, save cost, and the aluminium with antibacterial effect closes
The coating structure of golden die casting.
To achieve the above object, the technical scheme that the utility model is provided is as follows:
A kind of coating structure of aluminum alloy die casting, the composite layer including being plated on aluminum alloy base material surface are described compound
Layer includes the displacement zinc coating stacked gradually, bottom nickel coating, cupric pyrophosphate coating, sulfuric acid copper coating, full light nickel coating and coloured
The coat of metal, the compound layer surface form the recessed portion of a plurality of filiform by wire drawing；It further include antimicrobial powder paint layer, it is described anti-
Bacterium powder paint layer is attached at the compound layer surface with recessed portion.
Further, the bottom of the recessed portion exposes the full light nickel coating.
Further, the non-ferrous metal coating is bronze plating.
Further, the displacement zinc coating of the composite layer/bottom nickel coating/cupric pyrophosphate coating/sulfuric acid copper coating/Quan Guang
Nickel coating/bronze plating is with a thickness of 0.25 micron/3 microns/10 microns/10 microns/10 microns/3 microns.
Further, 3 microns -4 microns of the thickness of the recessed portion.
Further, the non-ferrous metal coating is black nickel coating.
Further, the displacement zinc coating of the composite layer/bottom nickel coating/cupric pyrophosphate coating/sulfuric acid copper coating/Quan Guang
Nickel coating/black nickel coating is with a thickness of 0.25 micron/3 microns/10 microns/10 microns/10 microns/5 microns.
Further, 5 microns -6 microns of the thickness of the recessed portion.
Further, the antimicrobial powder paint layer with a thickness of 60 microns -100 microns.
Further, the antimicrobial powder paint layer with a thickness of 80 microns.
By technical solution provided by the utility model, have the following beneficial effects:
Liquid lacquer coat is arranged to antimicrobial powder paint layer, in the antimicrobial powder paint layer of compound layer surface, while being had anti-
Bacterium and certain erosion-resisting effect；Realize antibacterial effect；The replaceable original composite layer of the anticorrosive effect of antimicrobial powder paint layer
In semi-gloss nickel coating, reduce coating structure, save cost；
The program is suitable for non-ferrous metal coating structure, replaces the solid color of original plating black, keeps appearance color various
Change, has more the market competitiveness；
The compound layer surface forms the recessed portion of a plurality of filiform by wire drawing, so that composite layer surface roughening, it can
Preferably attachment antimicrobial powder paint layer, structure are more secured.
Antimicrobial powder paint layer is to be formed using powdered paint by spraying method, and the powdered paint rate of recovery is good, compared to existing skill
In art by the way of liquid lacquer, the rate of recovery is high, and cost is lower.
The plating on aluminium alloy non-ferrous metal coating adds spray antimicrobial powder lacquer coat reasonable in design, and production technology is more excellent
Change；Experiment proves that product surface resistance to corrosion is reinforced, the service life of product is extended, and there is product surface
Antibacterial functions avoid consumer using the spread of germs in product process, relatively sanitary environmental protection.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of door handle in background technique；
Fig. 2 show the structural schematic diagram one of the composite layer of the coating structure of aluminium alloy door's handle in embodiment one；
Fig. 3 show the structural schematic diagram two of the composite layer of the coating structure of aluminium alloy door's handle in embodiment one；
Fig. 4 show the appearance diagram of aluminium alloy door's handle in embodiment one；
Fig. 5 show the coating structure schematic diagram of aluminium alloy door's handle in embodiment one；
Fig. 6 show the coating structure schematic diagram of aluminium alloy door's handle in embodiment two.
Specific embodiment
To further illustrate each embodiment, the utility model is provided with attached drawing.These attached drawings are in the utility model discloses
A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and sheet are practical new
The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
Now in conjunction with the drawings and specific embodiments, the present invention will be further described.
Embodiment one
A kind of coating structure of aluminum alloy die casting provided in this embodiment, it is specially a kind of referring to shown in Fig. 2 to Fig. 5
The coating structure of aluminium alloy door's handle, the composite layer including being plated on aluminum alloy base material surface, the composite layer include successively layer
Folded displacement zinc coating 21, bottom nickel coating 22, cupric pyrophosphate coating 23, sulfuric acid copper coating 24, full light nickel coating 25 and there is coloured gold
Belong to coating, specifically, the non-ferrous metal coating is bronze plating 26, the displacement zinc coating of the composite layer in the present embodiment
Complete 25/ bronze plating 26 of light nickel coating of 21/ bottom nickel coating, 22/ cupric pyrophosphate coating, 23/ sulfuric acid copper coating 24/ with a thickness of 0.25
Micron/3 microns/10 microns/10 microns/10 microns/3 microns, can reach the best combination degree of structure, in other embodiments
In, each thickness degree is not limited thereto.
The compound layer surface forms the recessed portion 27 of a plurality of filiform by wire drawing, as shown in Figure 4 on 1 surface of door handle
Compound layer surface forms the recessed portion 27 of a plurality of filiform by wire drawing；It further include antimicrobial powder paint layer 30, the antimicrobial powder paint
Layer 30 is attached at the compound layer surface with recessed portion 27 by spraying, and certain antimicrobial powder paint layer 30 is attached at composite layer table
The technique in face is also not limited to spraying, is also possible to the common process such as printing, electrophoresis.The recessed portion 27 of a plurality of filiform makes compound
Layer surface roughening, can preferably adhere to antimicrobial powder paint layer 30, structure is more secured.
Specifically, the bottom of the recessed portion 27 exposes the full light nickel coating 25, silvery white is presented in full light nickel coating 25,
Bronze plating 26 is cinerous, in this way, full light nickel coating 25 forms bluish white staggeredly presentation with bronze plating 26, it is more aesthetically pleasing.Tool
Body, the depth-first of the recessed portion 27 is set as 3 microns -4 microns, can guarantee the roughness of compound layer surface, simultaneously
The structure of damage composite layer that will not also be excessive.
Specifically, in the present embodiment, the antimicrobial powder paint layer 30 with a thickness of 80 microns, which can preferably rise
To the effect of protection, and can guarantee to form good combination with compound layer surface.In other embodiments, antimicrobial powder paint layer
30 thickness can preferentially be set as 60 microns -100 microns.
In the present embodiment, each layer structure material of composite layer is existing material, and specific electro-plating method and parameter are
Those skilled in the art grasps already, is no longer described in detail one by one herein.
Specifically, displacement zinc coating 21 effect be alloy product surface deposit one layer of densification and uniformly sink zinc it is thin
Layer, and aluminum alloy base material stable bond, while good binding force is provided for later process copper facing, nickel plating etc..
The effect of bottom nickel coating 22 is transitional bonding layer, is prepared for subsequent plating cupric pyrophosphate coating 23.
The effect of cupric pyrophosphate coating 23 is transitional bonding layer, is prepared for subsequent plating sulfuric acid copper coating 24.
Sulfuric acid copper coating 24 effect be improve workpiece surface light flatness, improve wearability, electric conductivity, reflective,
The effects of corrosion resistance and having improved aesthetic appearance.
Complete 25 effect of light nickel coating is the resistance to corrosion for enhancing workpiece, while improving the wearability of workpiece surface, gloss
And beauty.Aerial stability is very high, since metallic nickel has very strong passivation ability, can be quickly generated one layer on surface
Very thin passivating film.
Embodiment two
A kind of coating structure of aluminium alloy door's handle provided in this embodiment, the structure substantially phase provided with embodiment one
Together, the difference is that, referring to shown in Fig. 6, in the present embodiment, the non-ferrous metal coating is black nickel coating 28, described compound
21/ bottom nickel coating of displacement zinc coating, 22/ cupric pyrophosphate coating, 23/ sulfuric acid copper coating, the 24/ black nickel coating of full light nickel coating 25/ of layer
28 with a thickness of 0.25 micron/3 microns/10 microns/10 microns/10 microns/5 microns, the best combination degree of structure can be reached,
In other embodiments, each thickness degree is not limited thereto.
The bottom of recessed portion exposes the full light nickel coating 25, and silvery white, black nickel coating 28 is presented in full light nickel coating 25
For bright black, presented in this way, full light nickel coating 25 interlocks with black nickel coating 28 formation black and white, it is more aesthetically pleasing.Specifically, described recessed
The depth-first of concave portion is set as 5 microns -6 microns, can guarantee the roughness of compound layer surface, while damage that will not also be excessive
The structure of bad composite layer.
It is caesious bronze plating 26 and brilliant black that embodiment one and embodiment two, which individually disclose non-ferrous metal coating,
The black nickel coating 28 of color, in other embodiments, non-ferrous metal coating is not limited thereto, and is also possible to golden metallic gold plating
Layer etc..
Liquid lacquer coat is arranged to antimicrobial powder paint layer, in compound layer surface by technical solution through the foregoing embodiment
Antimicrobial powder paint layer, while there is antibacterial and certain erosion-resisting effect；Realize antibacterial effect；Antimicrobial powder paint layer resists
The replaceable semi-gloss nickel coating in original composite layer of corrosiveness, reduces coating structure, saves cost；
The program is suitable for non-ferrous metal coating structure, replaces the solid color of original plating black, keeps appearance color various
Change, has more the market competitiveness；
The compound layer surface forms the recessed portion of a plurality of filiform by wire drawing, so that composite layer surface roughening, it can
Preferably attachment antimicrobial powder paint layer, structure are more secured.
Antimicrobial powder paint layer is to be formed using powdered paint by spraying method, and the powdered paint rate of recovery is good, compared to existing skill
In art by the way of liquid lacquer, the rate of recovery is high, and cost is lower.
The plating on aluminium alloy non-ferrous metal coating adds spray antimicrobial powder lacquer coat reasonable in design, and production technology is more excellent
Change；Experiment proves that product surface resistance to corrosion is reinforced, the service life of product is extended, and there is product surface
Antibacterial functions avoid consumer using the spread of germs in product process, relatively sanitary environmental protection.
Die casting carries out expansion explanation by taking door handle as an example in above-described embodiment, and in other embodiments, die casting can also
To be other types of product, such as the panel frame of panel light.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered
This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details
On the utility model can be made a variety of changes, be the protection scope of the utility model.
Claims (10)
1. a kind of coating structure of aluminum alloy die casting, the composite layer including being plated on aluminum alloy base material surface, it is characterised in that:
The composite layer includes the displacement zinc coating stacked gradually, bottom nickel coating, cupric pyrophosphate coating, sulfuric acid copper coating, the plating of full light nickel
Layer and non-ferrous metal coating, the compound layer surface form the recessed portion of a plurality of filiform by wire drawing；It further include antimicrobial powder paint
Layer, the antimicrobial powder paint layer are attached at the compound layer surface with recessed portion.
2. the coating structure of aluminum alloy die casting according to claim 1, it is characterised in that: the bottom of the recessed portion is naked
Expose the full light nickel coating.
3. the coating structure of aluminum alloy die casting according to claim 2, it is characterised in that: the non-ferrous metal coating is
Bronze plating.
4. the coating structure of aluminum alloy die casting according to claim 3, it is characterised in that: the displacement zinc of the composite layer
Coating/bottom nickel coating/cupric pyrophosphate coating/sulfuric acid copper coating/full light nickel coating/bronze plating is micro- with a thickness of 0.25 micron/3
Rice/10 microns/10 microns/10 microns/3 microns.
5. the coating structure of aluminum alloy die casting according to claim 4, it is characterised in that: the thickness 3 of the recessed portion
- 4 microns of micron.
6. the coating structure of aluminum alloy die casting according to claim 2, it is characterised in that: the non-ferrous metal coating is
Black nickel coating.
7. the coating structure of aluminum alloy die casting according to claim 6, it is characterised in that: the displacement zinc of the composite layer
Coating/bottom nickel coating/cupric pyrophosphate coating/sulfuric acid copper coating/full light nickel coating/black nickel coating is micro- with a thickness of 0.25 micron/3
Rice/10 microns/10 microns/10 microns/5 microns.
8. the coating structure of aluminum alloy die casting according to claim 7, it is characterised in that: the thickness 5 of the recessed portion
- 6 microns of micron.
9. the coating structure of aluminum alloy die casting according to claim 1, it is characterised in that: the antimicrobial powder paint layer
With a thickness of 60 microns -100 microns.
10. the coating structure of aluminum alloy die casting according to claim 9, it is characterised in that: the antimicrobial powder paint layer
With a thickness of 80 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821728907.XU CN208980815U (en) | 2018-10-24 | 2018-10-24 | A kind of coating structure of aluminum alloy die casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821728907.XU CN208980815U (en) | 2018-10-24 | 2018-10-24 | A kind of coating structure of aluminum alloy die casting |
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| Publication Number | Publication Date |
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| CN208980815U true CN208980815U (en) | 2019-06-14 |
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| CN201821728907.XU Expired - Fee Related CN208980815U (en) | 2018-10-24 | 2018-10-24 | A kind of coating structure of aluminum alloy die casting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111748831A (en) * | 2020-07-09 | 2020-10-09 | 东莞市合航精密科技有限公司 | Corrosion-resistant coating of platinum combined coating |
-
2018
- 2018-10-24 CN CN201821728907.XU patent/CN208980815U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111748831A (en) * | 2020-07-09 | 2020-10-09 | 东莞市合航精密科技有限公司 | Corrosion-resistant coating of platinum combined coating |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190614 Termination date: 20211024 |
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