CN205518491U - Aluminum alloy work piece - Google Patents

Abstract

The utility model discloses an aluminum alloy work piece, include the aluminum alloy work piece substrate and set gradually fluorine carbon metal finish paint layer and the mixed clear coat finish of fluorine carbon on the surface of aluminum alloy work piece substrate, the surface of aluminum alloy work piece substrate includes a N first surface and a M second surface, and wherein N is the positive integer, and M is the positive integer, a N first surface has coated fluorine carbon metal finish paint layer and the mixed clear coat finish of fluorine carbon, and fluorine carbon metal finish paint layer is covered between first surface and the mixed clear coat finish of fluorine carbon, a M second surface covers there is fluorine carbon metal finish paint layer. The utility model provides an aluminum alloy work piece, each decorative cover coating colour is comparatively unanimous, and is steerable at national standard colour difference within range to coating metal reflecting rate is also unanimous basically.

Description

A kind of Al alloy parts

Technical field

This utility model relates to a kind of Al alloy parts.

Background technology

Fluorocarbon oil paint is again fluorocarbon coating, and it is with the key resin containing F-C as main film forming substance It is that the coating dissolving medium is referred to as with organic solvent.Powerful due to F-C key bond energy, spacing is short, Making it have the weatherability of overlength and resistant to chemical media corrosive nature, fluorocarbon oil paint is extensively used On the anticorrosive coating of outdoor architecture.The main component of fluorocarbon oil paint has fluorocarbon resin, propylene Acid resin, pigment, organic solvent and in order to increase the metal reflective of coating, with the addition of Metal powder, such as the aluminium powder of bright silver, flavous copper powder etc., such paint claims " gold traditionally Belong to paint ".

The coating process of fluorocarbon oil paint substantially has the modes such as roller coating, aerial spraying and electrostatic spraying. The principle of electrostatic spraying is the paint particles band utilizing high pressure electrostatic painting equipment to make through being atomized Upper electric charge under electric field action, is adsorbed onto to be coated with on Al alloy parts and forms film.Due to Application rate is high, saves paint and commonly used.

The current general coating process of fluorocarbon oil paint (by being coated with face, part decorative cover number >=2) is: aluminum Added → front spray fluorine carbon priming paint → reverse side spray fluorine carbon priming paint → front after alloy workpiece pretreatment Spray fluorine carbon fluorine carbon metal finish paint → reverse side spray fluorine carbon fluorine carbon metal finish paint → front spray fluorocarbon varnish → reverse side spray fluorocarbon varnish → solidification → undercarriage, but being closed by aluminising after the process of this method Easily there is obvious visual color in the tow sides coating of metal working part.

To solve this problem it is necessary to provide a kind of novel Al alloy parts.

Utility model content

This utility model aims to solve the problem that the problems referred to above.The purpose of this utility model is to provide one Al alloy parts.

This Al alloy parts includes Al alloy parts base material and is successively set on Al alloy parts base The fluorine carbon metal covering enamelled coating on the surface of material and fluorine carbon mixing layer of varnish.

The surface of Al alloy parts base material includes N number of first surface and M second surface, its Middle N is positive integer, and M is positive integer,

Fluorine carbon metal covering enamelled coating and fluorine carbon mixing layer of varnish, fluorine carbon it is covered with on N number of first surface Metal covering enamelled coating is overlying between first surface and fluorine carbon mixing layer of varnish.M second surface covers There is fluorine carbon metal covering enamelled coating.

Wherein, N number of first surface and M second surface are additionally provided with fluorine carbon prime coat and fluorine Carbon layer of varnish, on the most N number of first surface, fluorine carbon prime coat is overlying on first surface and fluorine carbon Between metal covering enamelled coating, fluorocarbon varnish layer is overlying on the outside of fluorine carbon mixing layer of varnish；

On M second surface, fluorine carbon prime coat is overlying on second surface and fluorine carbon metal covering enamelled coating Between, fluorocarbon varnish layer is overlying on the outside of fluorine carbon metal covering enamelled coating.

Wherein, fluorine carbon prime coat is innermost layer, with N number of first surface and M second surface Directly contact；Fluorocarbon varnish layer is outermost layer, directly contacts with air.

Wherein, M=1, N=1, the i.e. surface of Al alloy parts base material include 1 first surface With 1 second surface.

Wherein, the fluorine carbon metal covering enamelled coating being positioned on N number of first surface and M second surface Build be 25～30um.

Wherein, the build of the fluorine carbon mixing layer of varnish being positioned at N number of first surface is 3～8um.

Wherein, doing of the fluorine carbon prime coat being positioned on N number of first surface and M second surface Film thickness is 5～10um.

The build of the fluorocarbon varnish layer being positioned at N number of first surface is 7～15um, is positioned at The build of the fluorocarbon varnish layer of M second surface is 10～20um.

A kind of Al alloy parts provided by the utility model, each decorative cover coating color is relatively For unanimously, in the range of caning be controlled in GB aberration, and coating metal reflecting rate the most basic Cause.

Accompanying drawing explanation

The accompanying drawing of the part being incorporated in description and constituting description shows this practicality Novel embodiment, and be used for together with the description explaining principle of the present utility model.At this In a little accompanying drawings, similar reference is used for representing similar key element.Below describe in attached Figure is embodiments more of the present utility model rather than whole embodiment.General for this area From the point of view of logical technical staff, on the premise of not paying creative work, can be attached according to these Figure obtains other accompanying drawing.

Fig. 1 shows the generalized section according to a kind of Al alloy parts of the present utility model.

Detailed description of the invention

For making the purpose of this utility model embodiment, technical scheme and advantage clearer, under The accompanying drawing that face will combine in this utility model embodiment, to the skill in this utility model embodiment Art scheme is clearly and completely described, it is clear that described embodiment is that this practicality is new The a part of embodiment of type rather than whole embodiments.Based on the enforcement in this utility model Example, the institute that those of ordinary skill in the art are obtained under not making creative work premise There are other embodiments, broadly fall into the scope of this utility model protection.It should be noted that In the case of not conflicting, the embodiment in the application and the feature in embodiment can mutually be appointed Meaning combination.

Basic thought of the present utility model is to provide a kind of Al alloy parts, by aluminium alloy The surface of workpiece increases by one layer of new fluorine carbon mixing layer of varnish, reaches to control through electrostatic spraying The purpose of aberration of each decorative cover of surface of the work.

As it is shown in figure 1, a kind of Al alloy parts 100, including Al alloy parts base material and successively It is arranged on fluorine carbon metal covering enamelled coating 10 and the fluorine carbon mixing varnish on the surface of Al alloy parts base material Layer 20.

The surface of Al alloy parts base material includes N number of first surface 11 and M second surface 12, N is positive integer, and N number of first surface 11 is covered with fluorine carbon metal covering enamelled coating 10 and fluorine Carbon mixing layer of varnish 20, wherein, described fluorine carbon metal covering enamelled coating 10 is overlying on described first surface Between 11 and described fluorine carbon mixing layer of varnish 20；Described M second surface 12 is covered with fluorine carbon Metal covering enamelled coating 10.

Further, N number of first surface 11 and M second surface 12 are additionally provided with fluorine carbon Prime coat 30 and fluorocarbon varnish layer 40, on the most N number of first surface 11, fluorine carbon prime coat 30 are overlying between N number of first surface 11 and fluorine carbon metal covering enamelled coating 10, fluorocarbon varnish layer 40 It is overlying on the outside of fluorine carbon mixing layer of varnish 20；

On M second surface 12, fluorine carbon prime coat 30 be overlying on M second surface 12 with Between fluorine carbon metal covering enamelled coating 10, fluorocarbon varnish layer 40 is overlying on fluorine carbon metal covering enamelled coating 10 Outside.

Fluorine carbon prime coat is set and can improve coating overall anticorrosive and anti-of workpiece 100 Erosiveness, fluorocarbon varnish layer can improve the endurance of workpiece 100.

Meanwhile, fluorine carbon prime coat 30 can be arranged as innermost layer, with N number of first surface 11 directly contact with M second surface 12, so can improve whole workpiece 100 surface The adhesive force of coating.Fluorocarbon varnish layer 40 could be arranged to outermost layer, directly connects with air Touch, so can improve shock resistance and the scratch resistance capability on the surface of workpiece 100.

M and N could be arranged to any number in positive integer, such as, be specifically as follows M=1, N=1, the i.e. surface of Al alloy parts base material include 1 first surface 11 and 1 the second table Face 12.Specifically, first surface 11 can be the front of workpiece 100, second surface 12 Can be with the reverse side of workpiece 100, the surface of workpiece 100 is provided with two faces of obverse and reverse altogether and makees For decorative cover.Certainly, first surface and second surface can also be workpiece two sides or Side, one one, front, concrete form is not by foregoing restriction.

It addition, the fluorine carbon metal being positioned on N number of first surface 11 and M second surface 12 The build of top coat layer 10 is 25～30um, and finish paint viscosity scope is 20～30 '；This The reason that sample is arranged is, owing to the metal covering enamelled coating formed after spraying is still by gravity or other power If effect metal finish paint possess strong mobility, easily cause that film forming thickness is uneven or current mark Etc. defect, but after spraying, coating needs again levelling effect, if mobility is the most weak, coating levelling is imitated The poorest, the defects such as Pericarpium Citri tangerinae easily occur.Therefore during spraying, metal finish paint should possess specific viscosity And thickness.

The build of the fluorine carbon mixing layer of varnish 20 being positioned at N number of first surface 11 is 3～8um, the reason so arranged is: owing to being mixed with a certain proportion of finish paint in mixing varnish Mill base, makes it have translucent effect.Thickness is too high or spends the end, all affects the half of coating Transparent effect, it is impossible to reach the effect of complementary color.

In like manner, the fluorine carbon priming paint on N number of first surface 11 and M second surface 12 it is positioned at The build of layer 30 is 5～10um, and the reason so arranged is: thickness is the highest, is coated with Layer easily cracking or coating depart from, and coating is the thinnest to be easily separated from.

The build of the fluorocarbon varnish layer 40 being positioned at N number of first surface 11 is 7～15um, The build of the fluorocarbon varnish layer 40 being positioned at M second surface 12 is 10～20um, this The reason that sample is arranged is: if thickness is the highest, and waste raw material and coating are easily yellow when solidification Become, the thinnest effect not having protective topcoat of thickness.

The principle that coating film layer of the present utility model is arranged is: during the finish paint of spray metal, Assume that 1 in M second surface 12 is last sprayed surface, when spraying this face, Due to the effect of electrostatic field, the paint grain containing sheet metal in fluorine carbon metal finish paint is due to electrostatic Adsorption usually can adsorb on other surfaces of workpiece, during spraying, due to paint particles Arriving second surface is to collide and under electric field adsorption dual effect at the fan-shaped air pressure of atomization, sheet metal The general tiling of arrangement, colour developing uniformly, and arrives the paint particles on other surfaces mainly by electrostatic field Electric power absorption, therefore irregular arrangement, reflective is poor, can cause them and just spray Complete surface forms aberration.At this time, it may be necessary to Electrostatic Absorption has been had more paint particle Complete the surface of spray metal finish paint operation to carry out filling spray the operation of fluorine carbon mixing varnish, the most right The surface having notable aberration and reflectance difference with last spray-coating surface increases by one layer of fluorine carbon and mixes clearly Enamelled coating.

In sum, a kind of Al alloy parts provided by the utility model, each decorative cover Coating color is more consistent, and in the range of caning be controlled in GB aberration, and coating metal is reflective Rate is the most basically identical.

It is last it is noted that above example is only in order to illustrate technical side of the present utility model Case, is not intended to limit.Although this utility model having been carried out in detail with reference to previous embodiment Explanation, it will be understood by those within the art that: it still can be to aforementioned each reality Execute the technical scheme described in example to modify, or wherein portion of techniques feature is carried out With replacing；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this The spirit and scope of utility model each embodiment technical scheme.

Claims (7)

1. an Al alloy parts (100), it is characterised in that include Al alloy parts base material and fluorine carbon metal covering enamelled coating (10) on the surface being successively set on described Al alloy parts base material and fluorine carbon mixing layer of varnish (20)；

The surface of described Al alloy parts base material includes N number of first surface (11) and M second surface (12), and wherein N is positive integer, and M is positive integer；

Described N number of first surface (11) overlying has described fluorine carbon metal covering enamelled coating (10) and described fluorine carbon mixing layer of varnish (20), and described fluorine carbon metal covering enamelled coating (10) is overlying between described first surface (11) and described fluorine carbon mixing layer of varnish (20)；Described M second surface (12) is covered with fluorine carbon metal covering enamelled coating (10).

2. a kind of Al alloy parts as claimed in claim 1, it is characterised in that

Fluorine carbon prime coat (30) and fluorocarbon varnish layer (40) it is additionally provided with on described N number of first surface (11) and described M second surface (12), on wherein said N number of first surface (11), described fluorine carbon prime coat (30) is overlying between described N number of first surface (11) and described fluorine carbon metal covering enamelled coating (10), and described fluorocarbon varnish layer (40) is overlying on the outside of described fluorine carbon mixing layer of varnish (20)；

On described M second surface (12), described fluorine carbon prime coat (30) is overlying between described M second surface (12) and described fluorine carbon metal covering enamelled coating (10), and described fluorocarbon varnish layer (40) is overlying on the outside of described fluorine carbon metal covering enamelled coating (10).

3. a kind of Al alloy parts as claimed in claim 1, it is characterised in that

Described fluorine carbon prime coat (30) is innermost layer, directly contacts with described N number of first surface (11) and described M second surface (12)；Described fluorocarbon varnish layer (40) is outermost layer, directly contacts with air.

4. a kind of Al alloy parts as claimed in claim 1, it is characterised in that

M=1, N=1, the surface of the most described Al alloy parts base material includes 1 first surface (11) and 1 second surface (12).

5. a kind of Al alloy parts as claimed in claim 1, it is characterised in that

The build being positioned at described N number of first surface (11) and upper described fluorine carbon metal covering enamelled coating (10) of described M second surface (12) is 25～30um.

6. a kind of Al alloy parts as claimed in claim 1, it is characterised in that

The build of described fluorine carbon mixing layer of varnish (20) being positioned at described N number of first surface (11) is 3～8um.

7. a kind of Al alloy parts as claimed in claim 3, it is characterised in that

The build of described fluorine carbon prime coat (30) being positioned on described N number of first surface (11) and described M second surface (12) is 5～10um；

The build of the described fluorocarbon varnish layer (40) being positioned at described N number of first surface is 7～15um, and the build of the described fluorocarbon varnish layer (40) being positioned at described M second surface (12) is 10～20um.