CN201922594U - Coloured coating structure for vehicle aluminium components - Google Patents
Coloured coating structure for vehicle aluminium components Download PDFInfo
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- CN201922594U CN201922594U CN2010206308901U CN201020630890U CN201922594U CN 201922594 U CN201922594 U CN 201922594U CN 2010206308901 U CN2010206308901 U CN 2010206308901U CN 201020630890 U CN201020630890 U CN 201020630890U CN 201922594 U CN201922594 U CN 201922594U
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Abstract
The utility model discloses a coloured coating structure for vehicle aluminium components; the aluminium components are used as base materials, wherein the surface of an aluminium base body comprises a primer coating and a finish coating from inside to outside; the film thickness of the primer coating is from 25 mum to 30 mum; the finish coating is a single-layer finish coating or a double-layer finish coating; the double-layer finish coating includes a fundamental colour paint layer and a varnish layer covered thereon, wherein the paint film thickness of the fundamental colour paint coating is from 15mum to 20 mum and the paint film thickness of the varnish layer is from 35 mum to 40 mum; and the paint film thickness of the single-layer finish coating is from 35 mum to 40 mum. The coloured coating structure can meet the demands of economy, light weight, easy for processing, high intensity and attractive appearance of the materials used for a vehicle; as an aluminium product is used as a base material, compared with the coating of the traditional steel plate during paint coating, a phosphating salt conversion film and an electrophoretic coating are saved, therefore, the cost is reduced in the aspect of the paint coating.
Description
Technical field
The utility model relates to automobile-used material, particularly a kind of coloured coating structure of automobile-used Al-alloy parts.
Background technology
Develop rapidly along with science and technology, bigger variation has taken place in the formation of automobile making material now, the ratio of high density material descends, and low density material has increase by a relatively large margin, and automotive material develops to lightweight, saving resource, high-performance and high function direction.Hyundai Motor uses aluminum alloy materials more and more, and aluminium alloy is the very important role of performer in the lightweight of Hyundai Motor, is considered to 21 century to be imbued with " green material " of development and application potentiality most.
The Al-alloy parts (can abbreviate aluminum component as) that is used on the automobile can be divided into Birmasil spare and wrought aluminium alloy spare, and automobile mainly contains with Birmasil spare: the engine cylinder-body cylinder cap of engine system, piston, air inlet pipe, water pump shell, engine shell, startup casing, engine support, vaporizer etc.; The transmission housing of transmission system, bell housing, filter, selector fork, transmission case etc.; The crossbeam of chassis running gear, last lower wall, biography are to casing, wheel etc.Automobile mainly contains with wrought aluminium alloy spare: the hood of bodywork system parts, Roof of vehicle, car door beater or beat-up, luggage-boot lid etc.; The engine radiator of heat exchange case system unit, oil radiator, air-conditioning condenser etc.; Punching press wheel, seat, bumper, floor compartment and the decoration etc. of other system parts.
Aluminum alloy materials is used for auto industry in a large number, no matter consider from aspects such as automobile making, automobile operation, junked-auto recovery, it all brings huge economic benefit and social benefit, and along with the increase of auto output and social recoverable amount, this benefit will be more obvious.Automobile increases the benefit of being brought the back with aluminum alloy materials to be had: obviously alleviate automotive dead weight, reduce fuel consume, reduce atmosphere pollution and improve environmental quality and improve the stationarity of running car, passenger's comfortableness and security.
In order to satisfy the different demands of consumers in general to various numerous and diverse colors; often adopt with the similar method of steel exterior trimming parts in the corresponding coating of aluminum component external coating; make aluminum component demonstrate needed color on the one hand, formed on the other hand coating plays the effect of protection aluminum component.Usually the face coat of aluminum component is three layers of coating, from inside to outside is followed successively by prime coat, the middle coat of paint and top coat layer.Top coat layer has two kinds of forms, a kind of form is the top coat layer (as colored polyurethane enamelled coating) of individual layer, another kind of form is double-deck top coat layer, by the primary colours enamelled coating that is positioned at internal layer (also claiming the background color enamelled coating) be positioned at outer field Lacquer finish enamelled coating (also claiming clearcoat layer or layer of varnish) and form.This coating system is complex structure not only, and the process-cycle is longer.
Summary of the invention
Technical problem to be solved in the utility model provides the coloured coating structure of short automobile-used aluminum component of a kind of simple in structure, process-cycle.
The technical scheme that realizes the utility model purpose is a kind of coloured coating structure of automobile-used aluminum component, comprise the aluminum component matrix, also comprise prime coat and top coat layer, the prime coat bonding fixedly covers on the outer surface of aluminum component matrix, and the top coat layer bonding fixedly covers on the prime coat.
The film thickness of described prime coat is 25 μ m～30 μ m.
Described top coat layer is double-deck top coat layer, comprises primary colours enamelled coating and layer of varnish, and primary colours enamelled coating bonding fixedly covers on the prime coat, and the layer of varnish bonding fixedly covers on the primary colours enamelled coating; The film thickness of primary colours enamelled coating is 15 μ m～20 μ m, and the film thickness of layer of varnish is 35 μ m～40 μ m; The primary colours enamelled coating is coated with pearly-lustre primary colours enamelled coating for matel coated flash of light primary colours enamelled coating in exempting from or in exempting from.
Described top coat layer is the individual layer top coat layer; The film thickness of individual layer top coat layer is 35 μ m～40 μ m; Top coat layer is for being coated with the individual layer top coat layer in exempting from.
The utlity model has positive effect: the coloured coating structure of (1) aluminum component of the present utility model satisfies automobile-used material economy, light weight, easily processing, high strength and requirement attractive in appearance simultaneously.(2) owing to adopt aluminum alloy materials as base material, the coating when comparing the conventional steel plates application is saved phosphatization salt conversion film and electrophoretic paint layer, also reduces cost aspect application.(3) coating structure of the present utility model has been removed layer midway from, has further reduced painting cost, and has reached the purpose of energy-saving and emission-reduction.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is an another kind of structural representation of the present utility model.
Mark in the above-mentioned accompanying drawing is as follows:
Aluminum component matrix 1, prime coat 2, top coat layer 3, primary colours enamelled coating 31, layer of varnish 32.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is further described.
(embodiment 1)
See Fig. 1, the coloured coating structure of the aluminum component of present embodiment is made up of aluminum component matrix 1, prime coat 2 and top coat layer 3, and top coat layer 3 is the individual layer top coat layer.Prime coat 2 bondings fixedly cover on the outer surface of aluminum component matrix 1, and individual layer top coat layer 3 bondings fixedly cover on the prime coat 2.
The film thickness of prime coat 2 is 25 μ m～30 μ m, even compact, used priming paint is polyester coating or acrylic resin paint, and the commercial disignation that derives from Changzhou Wujin Chenguang Metallic Paint Co., Ltd.'s manufacturing is the versicolor polyurethane resin paint of ZA87-3 or the versicolor acrylic resin paint that commercial disignation is BA-3.
The film thickness of top coat layer 3 is 35 μ m～40 μ m, and smooth smooth, used finish paint is a polyurethane resin paint, and the commercial disignation that derives from Changzhou Wujin Chenguang Metallic Paint Co., Ltd.'s manufacturing is the versicolor acrylic resin paint of BA-2.
The preparation method of the coloured coating structure of above-mentioned automobile-used aluminum component has following steps:
1. Al alloy parts is carried out pre-treatment: placed about 2 minutes with 60 ℃～65 ℃ of alkali electroless degreasers brushing back on the naked workpiece of aluminium alloy earlier, thereby make that the greasy dirt of surface of the work is dissolved, wipe degreaser (if workpiece is less, then directly immerse in the degreaser to take out again after 2 minutes get final product) with rag then.Again at 60 ℃ NaOH and ammonium citrate solution (naoh concentration 40～50g/L, ammonium citrate concentration 10g/L) alkaline etching is 2 minutes in, can remove residual natural oxide film of naked surface of the work and modified alloy layer on the one hand, also adjusted matrix surface on the other hand, make it uniformity, the third aspect has certain increase because of its surperficial roughness in alkaline etching, thereby can satisfy the requirement of spray-on coating, thereby has obtained aluminum component matrix 1.
2. form prime coat: the commercial disignation made from Changzhou Wujin Chenguang Metallic Paint Co., Ltd. is that the polyurethane resin paint of respective color of ZA87-3 is as priming paint (present embodiment is red priming paint), be sprayed on the outer surface of the aluminum component matrix 1 that 1. step obtain, film thickness 27 μ m, 30min is dried under 130 ℃ temperature then, and forms the prime coat 2 on the outer surface that fixedly covers aluminum component matrix 1 that bonds.
3. form top coat layer: clean again after prime coat 2 is polished, the commercial disignation made from Changzhou Wujin Chenguang Metallic Paint Co., Ltd. is that the respective color polyurethane resin paint of BA87-2 is finish paint (present embodiment is red priming paint), be sprayed on the prime coat 2 on the outer surface of aluminum component matrix 1, film thickness 38 μ m, sprayed back levelling 8～10min, 20min～30min oven dry and form bonding and fixedly cover and be coated with individual layer top coat layer 3 in the exempting from the prime coat 2 under 130 ℃～140 ℃ temperature then, thus aluminum component matrix 1 made, prime coat 2 and top coat layer 3 have constituted complete coloured coating structure.
The described aluminum component of present embodiment comprises punching press wheel, seat, bumper, floor compartment and the decoration etc. of hood, Roof of vehicle, car door beater or beat-up, luggage-boot lid and other system units of bodywork system parts.
(embodiment 2)
See Fig. 2, the remainder of present embodiment is identical with embodiment 1, and difference is: the top coat layer 3 of present embodiment is double-deck top coat layer.Top coat layer 3 is by the primary colours enamelled coating 31 that is positioned at internal layer and be positioned at outer field layer of varnish 32 and form.Wherein, the primary colours enamelled coating 31 of top coat layer 3 is flash metal luster primary colours enamelled coatings, and layer of varnish 32 bondings fixedly cover on the primary colours enamelled coating 31, and top coat layer 3 is fixedly covered on the prime coat 2 by its primary colours enamelled coating 31 bondings.
The film thickness of primary colours enamelled coating 31 is 15 μ m～20 μ m, smooth smooth, used primary colours lacquer is matel coated flash of light primary colours lacquer in exempting from, and derives from commercial disignation that Changzhou Wujin Chenguang Metallic Paint Co., Ltd. makes and be that matel coated flash of light primary colours coat with lacquer in versicolor the exempting from of B18-2-1.
The component of matel coated flash of light primary colours lacquer and umber by weight are as follows in above-mentioned the exempting from: 20.7 parts of 26 parts of acrylic acid modified polyester modification resins, 7 parts in amino resins, 5 parts of enclosed type aliphatic polymeric isocyanates, 8 parts of functional resins, 8 parts of rheology control resins, 3 parts of coloring pigments, 5 parts of fillers, 3 parts of effect pigment aluminium powders, 4 parts of light stabilization aids, 3 parts of dispersants, 0.3 part of levelling agent, 4 parts of directed auxiliary agents, 3 parts of anti-settling auxiliary agents and organic solvents.
The film thickness of layer of varnish 32 is 35 μ m～40 μ m, and is smooth smooth, and the commercial disignation that derives from Changzhou Wujin Chenguang Metallic Paint Co., Ltd.'s manufacturing is the acrylic resin varnish of BA87-1 model.
Remainder in the preparation method's of the coloured coating structure of above-mentioned automobile-used aluminum component the step is identical with the appropriate section of embodiment 1, and difference is: step 2. in, the film thickness 28 μ m of the priming paint that is sprayed.Step 3. in, used finish paint is basic paint and varnish, formed top coat layer 3 is by the primary colours enamelled coating 31 that is positioned at internal layer and be positioned at outer field layer of varnish 32 and form.The commercial disignation that the primary colours lacquer is made for Changzhou Wujin Chenguang Metallic Paint Co., Ltd. is a matel coated flash of light primary colours lacquer in the exempting from of B18-2-1, and varnish is that the commercial disignation that Changzhou Wujin Chenguang Metallic Paint Co., Ltd. makes is the acrylic resin varnish of BA87-1 model.In the process that forms top coat layer 3, matel coated flash of light primary colours lacquer during spraying is exempted from earlier, film thickness 18 μ m, surface drying 3min～5min, lacquer varnish then, sprayed back levelling 8～10min, film thickness 38 μ m, 20min～30min oven dry and form primary colours enamelled coating 31 and fixedly cover double-deck top coat layer 3 on the prime coat 2 in outer field bonding under 130 ℃～140 ℃ temperature then at internal layer, layer of varnish 32, thus make aluminum component matrix 1 and three layers of paint film (top coat layer is calculated two-layer paint film) constitute complete coloured coating structure.
Because present embodiment is selected basic paint and varnish, therefore compare embodiment 1, the coloured coating structure outward appearance of present embodiment is fuller, and sense more has levels under light; Because flash metal luster primary colours enamelled coating 31 used primary colours lacquers are matel coated flash of light primary colours lacquer in exempting from, though therefore lacked floating coat, the use that is coated with finish paint in exempting from makes that the structure of the performance of coloured coating structure, outward appearance and use floating coat is basic identical again.
(embodiment 3)
The remainder of present embodiment is identical with embodiment 2, and difference is: the primary colours enamelled coating 31 of the top coat layer 3 of present embodiment is pearly-lustre primary colours enamelled coating; Used primary colours lacquer is for being coated with pearly-lustre primary colours lacquer in exempting from, derive from commercial disignation that Changzhou Wujin Chenguang Metallic Paint Co., Ltd. makes and be to be coated with the pearly-lustre primary colours in versicolor the exempting from of B18-1-2 and to coat with lacquer.
The umber that the component of matel coated flash of light primary colours lacquer reaches by weight in being coated with remainder that the one-tenth of pearly-lustre primary colours lacquers is grouped in above-mentioned the exempting from and exempting from is identical, and difference is: the effect pigment that is comprised is a pearl essence.
3. step in the process that forms top coat layer 3, is coated with pearly-lustre primary colours lacquer during spraying is exempted from earlier, and used primary colours coat with lacquer and are coated with pearly-lustre primary colours lacquer in versicolor the exempting from that the commercial disignation of making for Changzhou Wujin Chenguang Metallic Paint Co., Ltd. is B18-1-2.
Claims (4)
1. the coloured coating structure of an automobile-used aluminum component, comprise aluminum component matrix (1), it is characterized in that: also comprise prime coat (2) and top coat layer (3), prime coat (2) bonding fixedly covers on the outer surface of aluminum component matrix (1), and top coat layer (3) bonding fixedly covers on the prime coat (2).
2. the coloured coating structure of automobile-used aluminum component according to claim 1, it is characterized in that: the film thickness of prime coat (2) is 25 μ m～30 μ m.
3. the coloured coating structure of automobile-used aluminum component according to claim 1 and 2, it is characterized in that: top coat layer (3) is double-deck top coat layer, comprise primary colours enamelled coating (31) and layer of varnish (32), primary colours enamelled coating (31) bonding fixedly covers on the prime coat (2), and layer of varnish (32) bonding fixedly covers on the primary colours enamelled coating (31); The film thickness of primary colours enamelled coating (31) is 15 μ m～20 μ m, and the film thickness of layer of varnish (32) is 35 μ m～40 μ m; Primary colours enamelled coating (31) is coated with pearly-lustre primary colours enamelled coating for matel coated flash of light primary colours enamelled coating in exempting from or in exempting from.
4. the coloured coating structure of automobile-used aluminum component according to claim 1 and 2, it is characterized in that: top coat layer (3) is the individual layer top coat layer; The film thickness of individual layer top coat layer (3) is 35 μ m～40 μ m; Top coat layer (3) is for being coated with the individual layer top coat layer in exempting from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206308901U CN201922594U (en) | 2010-11-29 | 2010-11-29 | Coloured coating structure for vehicle aluminium components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206308901U CN201922594U (en) | 2010-11-29 | 2010-11-29 | Coloured coating structure for vehicle aluminium components |
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| CN201922594U true CN201922594U (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206308901U Expired - Lifetime CN201922594U (en) | 2010-11-29 | 2010-11-29 | Coloured coating structure for vehicle aluminium components |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231741A (en) * | 2013-03-27 | 2013-08-07 | 成都阳光铝制品有限公司 | Large-section aluminium alloy section for car doors/windows and manufacturing process of large-section aluminium alloy section |
| CN104527249A (en) * | 2014-11-21 | 2015-04-22 | 杭州中粮包装有限公司 | Partial pearly luster mixing metal printing method |
| CN106076774A (en) * | 2016-06-21 | 2016-11-09 | 中国重汽集团福建海西汽车有限公司 | A kind of automobile exterior trimming parts coating structure and coating process thereof |
| CN117696408A (en) * | 2023-12-15 | 2024-03-15 | 浙江飞龙管业集团有限公司 | Aluminum alloy section bar for archaize building |
-
2010
- 2010-11-29 CN CN2010206308901U patent/CN201922594U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231741A (en) * | 2013-03-27 | 2013-08-07 | 成都阳光铝制品有限公司 | Large-section aluminium alloy section for car doors/windows and manufacturing process of large-section aluminium alloy section |
| CN103231741B (en) * | 2013-03-27 | 2015-07-22 | 成都阳光铝制品有限公司 | Large-section aluminium alloy section for car doors/windows and manufacturing process of large-section aluminium alloy section |
| CN104527249A (en) * | 2014-11-21 | 2015-04-22 | 杭州中粮包装有限公司 | Partial pearly luster mixing metal printing method |
| CN106076774A (en) * | 2016-06-21 | 2016-11-09 | 中国重汽集团福建海西汽车有限公司 | A kind of automobile exterior trimming parts coating structure and coating process thereof |
| CN117696408A (en) * | 2023-12-15 | 2024-03-15 | 浙江飞龙管业集团有限公司 | Aluminum alloy section bar for archaize building |
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| GR01 | Patent grant | ||
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Granted publication date: 20110810 |