CN212759513U

CN212759513U - Coating aluminum strip with protective structure

Info

Publication number: CN212759513U
Application number: CN202021225460.1U
Authority: CN
Inventors: 郭亚波
Original assignee: Wuxi Acp Steel Core Co ltd
Current assignee: Wuxi Acp Steel Core Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-03-23
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a coating aluminum strip with protective structure, which comprises a composite material part, an aluminum coating, an oxidation film, a varnish and an outer paint, wherein the composite material part comprises a first surface, the aluminum coating is sprayed on the first surface in an electrostatic spraying mode, the oxidation film is brushed on the surface of the aluminum coating, the surface of the oxidation film is subjected to dust removal treatment, the varnish is brushed on the surface of the oxidation film, the outer paint comprises a primer, the primer is brushed on the outer surface of the varnish, in the utility model, a plurality of layers of different but compatible coatings are added, the oxidation resistance and the corrosion resistance of the aluminum strip can be enhanced, the chemical oxidation film can effectively prevent the aluminum coating from being oxidized by air, the high-quality aluminum coating is sprayed on the surface of a composite material part, the oxidation resistance and the corrosion resistance of the part are certainly greatly enhanced, and other relevant properties, such as hardness and plasticity, are also enhanced to a certain degree.

Description

Coating aluminum strip with protective structure

Technical Field

The utility model relates to a special function coating field, in particular to coating aluminium strip with protective structure.

Background

Under the background of modern scientific technology, composite material parts are not only the most basic simple mechanical structure, but also have various protective effects, the traditional protective structure is mostly the structure of increasing the thickness of the parts or adding reinforcing ribs and the like, along with the improvement of mechanical manufacturing technology and the higher and higher requirements on the composite material parts, the traditional protective structure has gradually shown disadvantages, the addition of related new technologies becomes more important, a metal coating is a representative new technology, and the metal coating is coated on the surface of the parts by using a chemical treatment method such as a spraying method, an electroplating method or an oxidation treatment method, a bluing method, a phosphate treatment method and other methods, and the oxidation resistance and the corrosion resistance of the parts are effectively improved.

The aluminum coating protective structure of the existing composite material part often has the problems of easy oxidation, poor corrosion resistance and the like, and therefore, a coating aluminum strip with the protective structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a coating aluminium strip with protective structure, but compatible coating through increasing the multilayer difference, can further strengthen the oxidation resistance and the corrosion resistance in aluminium strip, chemical oxidation film can prevent effectively that aluminium coating from being oxidized by the air, chemical oxidation film can prolong aluminium coating's intensity and life greatly simultaneously, with such high-quality aluminium coating spraying in combined material finished piece surface, the oxidation resistance and the corrosion resistance that probably can make the finished piece strengthen greatly, the outside is brushed a certain amount of paint again, can completely cut off oxygen better and get into inside core coating, other relevant nature, for example hardness, plasticity, also can obtain the enhancement of certain degree.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the coated aluminum strip with the protective structure comprises a composite material part, an aluminum coating, an oxide film, a varnish and an outer paint, wherein the composite material part comprises a first surface, the aluminum coating is sprayed on the first surface in an electrostatic spraying mode, the oxide film is coated on one surface of the aluminum coating in a brushing mode, the one surface of the oxide film is subjected to dust removal treatment, the varnish is coated on the one surface of the oxide film in a brushing mode, the outer paint comprises a primer, and the primer is coated on the outer surface of the varnish in a brushing mode.

Preferably, the first surface is subjected to electrostatic dust removal treatment and is kept stand, and after the first surface is subjected to electrostatic dust removal treatment, the spraying surface can be in a dust-free state, so that the first surface and a subsequently sprayed aluminum coating have better adhesion, the aluminum coating can be perfectly sprayed on the surface and is not easy to fall off, and the quality of the whole product is improved.

Preferably, the aluminum coating is in a strip structure and is uniformly sprayed on the first surface through a high-voltage electrostatic electric field, the electrostatic spraying is a spraying method which utilizes the high-voltage electrostatic electric field to enable negatively charged paint particles to directionally move along the direction opposite to the electric field and adsorb the paint particles on the surface of a workpiece, and by adopting the method, the aluminum coating can be better attached to the surface of a composite material workpiece, and the coating sprayed in the way can be better combined with an oxide film.

Preferably, the component of the oxide film is alodine, the alodine is uniformly brushed on the aluminum coating to form an aluminum alloy chemical oxide film, the aluminum alloy chemical oxide film is used for preventing the aluminum coating from being oxidized by air, preventing the exposed aluminum coating from being corroded by external air so as to cause failure of the subsequent whole spraying process, and simultaneously prolonging the service life of the whole composite material product.

Preferably, the surface of the oxide film is subjected to dust removal treatment and is kept stand, the varnish is coated on the surface of the oxide film in a brushing mode, the varnish is used for sealing holes, external air is isolated from entering the inner core coating to form tiny gaps, so that the service life of a product is influenced, meanwhile, certain potential safety hazards can be avoided, in addition, the varnish also serves as an adhesive, so that the paint can be sprayed on a proper interface to prevent falling off.

Preferably, the outer paint also comprises a finish paint, the finish paint is uniformly coated on the outer surface of the primer paint, and the finish paint is a transparent coating paint, so that air can be prevented from entering the inner core coating, and the composite material part can be in a transparent state for subsequent use.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, form oxidation protection film on the aluminium strip surface, improved aluminium coating's surface corrosion resistance and oxidation resistance shape, can improve the cohesion between aluminium coating and the paint coating again. The paint coating is added behind the oxide film, so that a complex organic protective coating is omitted, and the effect of reducing weight and the effect of resisting air corrosion of the coating are achieved to a certain degree.

Drawings

Fig. 1 is a schematic view of the overall structure of a coated aluminum strip with a protective structure according to the present invention;

fig. 2 is a schematic front view of a coated aluminum strip with a protective structure according to the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention;

fig. 4 is a schematic cross-sectional view taken along line B-B of fig. 2 according to the present invention.

In the figure: 100. a composite part; 110. a first surface; 200. an aluminum coating; 300. an oxide film; 400. varnish; 500. painting; 510. priming paint; 520. and (5) finishing.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1 to 4, a coated aluminum tape with a protective structure includes a composite product 100, an aluminum coating 200, an oxide film 300, a varnish 400, and an outer paint 500, where the composite product 100 includes a first surface 110, the aluminum coating 200 is sprayed on the first surface 110 by electrostatic spraying, the oxide film 300 is coated on a surface of the aluminum coating 200, a surface of the oxide film 300 is subjected to dust removal treatment, the varnish 400 is coated on a surface of the oxide film 300, the outer paint 500 includes a primer 510, and the primer 510 is coated on an outer surface of the varnish 400.

Further, the first surface 110 is subjected to electrostatic dust removal treatment and is kept still, and after the first surface 110 is subjected to electrostatic dust removal treatment, the spray surface can be in a dust-free state, so that the first surface has better adhesion with the subsequently sprayed aluminum coating 200, the aluminum coating 200 can be perfectly sprayed on the surface, and the coating sprayed in such a way can be better combined with the oxide film 300 and is not easy to fall off, so that the quality of the whole product is improved.

Further, the aluminum coating 200 is a strip structure and is uniformly sprayed on the first surface 110 through a high-voltage electrostatic electric field, the electrostatic spraying is a spraying method that makes negatively charged paint particles directionally move along the direction opposite to the electric field by using the high-voltage electrostatic electric field and adsorbs the paint particles on the surface of the workpiece, and by adopting the method, the aluminum coating 200 can be better attached to the surface of the composite material workpiece 100.

Further, the component of the oxide film 300 is alodine, and the alodine is uniformly brushed on the aluminum coating 200 to form the aluminum alloy chemical oxide film 300, wherein the aluminum alloy chemical oxide film 300 is used for preventing the aluminum coating 200 from being oxidized by air, preventing the exposed aluminum coating 200 from being corroded by the outside air, and thus causing failure of the subsequent whole spraying process, and simultaneously prolonging the service life of the whole composite material product 100.

Further, one surface of the oxide film 300 is subjected to dust removal treatment and is kept stand, the varnish 400 is coated on the surface of the oxide film 300 in a brushing mode, the varnish 400 is used for sealing holes, external air is prevented from entering an inner core coating to form tiny gaps, so that the service life of a product is prevented from being influenced, meanwhile, certain potential safety hazards can be avoided, in addition, the varnish serves as an adhesive, the paint can be sprayed on a proper interface, and falling off is prevented.

Further, the outer paint 500 further comprises a finish 520, the finish 520 is uniformly brushed on the outer surface of the primer 510, and the finish 520 is a transparent coating which can not only prevent air from entering the inner core coating, but also can enable the composite product 100 to be in a transparent state for subsequent use.

Example two:

referring to fig. 1-4, the present invention relates to a coated aluminum strip with a protective structure, which has a coating principle: the oxide film 300 prevents the aluminum coating 200 from being oxidized, simultaneously increases certain strength, prolongs the service life of the whole workpiece, the varnish 400 has a hole sealing effect, deliberately isolates external air from entering the internal core coating to form gaps and influence the service life of the workpiece, and simultaneously can avoid certain potential safety hazards, the outer paint 500 can enable the surface of the composite material workpiece 100 to be transparent and smooth, and also has the effect of preventing the air from entering the internal core coating to a certain degree, and the hardness and other related properties of the composite material workpiece 100 are increased.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A coated aluminum strip with a protective structure comprises a composite material part (100), an aluminum coating (200), an oxide film (300), a varnish (400) and an outer paint (500), and is characterized in that: the composite material product (100) comprises a first surface (110), the aluminum coating (200) is sprayed on the first surface (110) in an electrostatic spraying mode, the oxide film (300) is brushed on one surface of the aluminum coating (200), one surface of the oxide film (300) is subjected to dust removal treatment, the varnish (400) is brushed on one surface of the oxide film (300), the outer paint (500) comprises a primer (510), and the primer (510) is brushed on the outer surface of the varnish (400).

2. The coated aluminum strip with protective structure of claim 1, wherein: the first surface (110) is subjected to electrostatic precipitation treatment and left to stand.

3. The coated aluminum strip with protective structure of claim 1, wherein: the aluminum coating (200) is of a strip-shaped structure and is uniformly sprayed on the first surface (110) through a high-voltage electrostatic electric field.

4. A coated aluminium strip with protective structure according to claim 1 or 3, characterized in that: the component of the oxidation film (300) is alodine, and the alodine is uniformly brushed on the aluminum coating (200) to form the aluminum alloy chemical oxidation film (300).

5. The coated aluminum strip with protective structure of claim 4, wherein: and one surface of the oxide film (300) is subjected to dust removal treatment and is kept stand.

6. The coated aluminum strip with protective structure of claim 1, wherein: the outer paint (500) further comprises a finish paint (520), and the finish paint (520) is uniformly brushed on the outer surface of the primer (510).