CN210230559U - Stain-resistant corrosion-resistant coating structure for surface of engineering machinery - Google Patents
Stain-resistant corrosion-resistant coating structure for surface of engineering machinery Download PDFInfo
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- CN210230559U CN210230559U CN201921051722.4U CN201921051722U CN210230559U CN 210230559 U CN210230559 U CN 210230559U CN 201921051722 U CN201921051722 U CN 201921051722U CN 210230559 U CN210230559 U CN 210230559U
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Abstract
The utility model relates to an engineering machine tool surface is with resistant dirty corrosion-resistant coating structure, including the engineering machine tool base member, supreme zinc-rich priming paint layer, putty coating, epoxy aluminite powder intermediate level, fluorocarbon resin finish coat of consolidation in proper order have been followed to the surface of engineering machine tool base member. The utility model discloses an engineering machine tool surface is with resistant dirty corrosion-resistant coating structure makes engineering machine tool coating have long-term corrosion resisting property and excellent resistant dirty waterproof performance, simultaneously, simplifies the coating structure, saves the application cost, improves application efficiency.
Description
Technical Field
The utility model relates to a coating technical field especially relates to engineering machine tool surface is with resistant dirty corrosion-resistant coating structure.
Background
The coating process of engineering machinery belongs to protective multilayer coating, and the general coating process comprises the following steps: pretreatment, phosphorization, cleaning and drying, priming, drying, putty coarse scraping, intermediate coating, finishing, finish coating and color separation. Wherein, the pretreatment work of the surface of the coated object is needed before painting, which is the basis of the coating process, and has great influence on the quality of the whole coating, and mainly comprises two parts of surface cleaning (oil removal, rust removal, dust removal and the like, namely forming a corresponding anti-rust layer, a dust-proof layer and an oil-proof layer) and phosphating treatment (namely forming a corresponding phosphating layer); the primer coating is the basis of the whole coating, and the binding force and corrosion resistance of the coating of the engineering machinery and the metal are mainly realized by the primer coating, so the primer should adopt the coating which has strong antirust property, strong adhesive force with a base material, good binding force with a middle coating or a finish coating and good mechanical property of a coating film as the primer; the purpose of puttying is to remove irregularities from the substrate.
The existing coating process is complicated, the coating difficulty is high, the problem of foaming and shedding is easily caused, the existing engineering machinery coating mainly focuses on the research on corrosion resistance, wear resistance and weather resistance of the coating, and along with the continuous improvement of the technological level, people put forward higher requirements on the coating function of the engineering machinery, such as excellent stain resistance.
Therefore, there is a need to simplify the existing engineering machine coatings and further improve and develop various properties of the engineering machine coatings to meet market needs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an engineering machine tool surface is with resistant dirty corrosion-resistant coating structure, makes engineering machine tool coating have long-term corrosion resisting property and excellent resistant dirty waterproof performance, simultaneously, simplifies the coating structure, saves the application cost, improves application efficiency.
The technical scheme of the utility model is that: the stain-resistant corrosion-resistant coating structure for the surface of the engineering machinery comprises an engineering machinery substrate, wherein an epoxy zinc-rich primer layer, a putty coating, an epoxy aluminum powder intermediate layer and a fluorocarbon resin finish paint layer are sequentially bonded on the surface of the engineering machinery substrate from bottom to top.
Furthermore, the epoxy zinc-rich primer layer is formed by spraying the epoxy zinc-rich primer on the surface of the engineering machinery substrate and curing at room temperature.
Furthermore, the epoxy zinc-rich primer is formed by crosslinking a liquid phenolic resin and a solid epoxy resin which are used as main materials, an anti-rust pigment, an active diluent, a dispersing agent and an anti-settling agent which are used as auxiliary materials and a modified amine curing agent.
Further, the putty coating is formed by coating unsaturated polyester resin on the surface of the epoxy zinc-rich primer layer in a blade coating mode and curing at room temperature.
Furthermore, the epoxy aluminum powder intermediate layer is formed by coating the epoxy aluminum powder coating modified by the aluminum-zirconium organic metal coupling agent on the surface of the putty coating in an electrostatic spraying manner and curing at room temperature.
Furthermore, the fluorocarbon resin finish paint layer is formed by brushing fluorosilicone resin on the surface of the epoxy aluminum powder intermediate layer by adopting an electrostatic spraying method and curing at room temperature.
Further, the thickness of the epoxy zinc-rich primer layer is 90-150 μm; the thickness of the putty coating is 20-40 μm; the thickness of the epoxy aluminum powder intermediate layer is 40-80 μm; the thickness of the fluorocarbon resin finish paint layer is 120-200 mu m.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the epoxy zinc-rich primer layer has strong adhesive force, excellent salt spray resistance and permeability resistance, so that the whole coating structure has excellent adhesive property and long-acting corrosion resistance;
2. the epoxy zinc-rich primer layer has better smoothness, so that when the putty coating is coated on the surface of the epoxy zinc-rich primer layer, thick scraping and thin scraping are not needed, and only one-time scraping is needed;
3. the utility model discloses an epoxy aluminite powder intermediate level uses the modified epoxy aluminite powder coating of aluminium zirconium organic metal coupling agent as the material, makes the planarization and the compactedness of intermediate level more excellent, and the physical shielding nature is high, thereby has further improved the corrosion resistance of whole coating structure, and need not to adhere to a layer putty coating earlier when adhering to the finish paint layer in order to keep level;
4. the fluorocarbon resin finish paint layer has excellent waterproof stain resistance and self-repairing property, so that the time for lowering the waterproof stain resistance is delayed, and the finish paint layer has long-acting waterproof stain resistance;
5. the utility model discloses scribble layer simple structure, the application is with low costs, and the application is efficient, can extensively popularize and apply.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
reference numerals: the paint comprises an engineering mechanical substrate 1, an epoxy zinc-rich primer layer 2, a putty coating 3, an epoxy aluminum powder intermediate layer 4 and a fluorocarbon resin finish paint layer 5.
Detailed Description
In order to more clearly describe the technical content of the present invention, the following further description is given with reference to specific embodiments.
When the existing engineering machinery carries out coating on the surface thereof, the existing engineering machinery needs to be cleaned and chemically treated firstly and then dried, the requirement on surface treatment is high, the leveling property of the general primer coating is poor, the middle coating can be coated only through leveling treatment, the corrosion resistance and the anti-permeability performance are poor, and the requirement cannot be met.
In view of this, the utility model provides an engineering machine tool surface is with resistant dirty corrosion-resistant coating structure, as shown in fig. 1, including engineering machine tool base member 1, from supreme solidification has epoxy zinc-rich priming paint layer 2, putty coating 3, epoxy aluminium powder intermediate level 4, fluorocarbon resin finish paint layer 5 in proper order down on engineering machine tool base member 1's surface.
The epoxy zinc-rich primer layer 2 is formed by spraying the epoxy zinc-rich primer on the surface of the engineering machinery substrate 1 and curing at room temperature, and the thickness of the formed epoxy zinc-rich primer layer 2 is 90-150 mu m.
Furthermore, the epoxy zinc-rich primer is prepared by the method shown in 'a high-performance water-based two-component epoxy zinc-rich primer and a preparation method thereof' with an authorization publication number of CN 107573816B.
The epoxy zinc-rich primer has low requirements on the surface treatment of the engineering machinery substrate 1, so that the coating can be carried out only by primarily cleaning the surface of the engineering machinery substrate 1, and the epoxy zinc-rich primer has excellent adhesive force, excellent salt mist resistance and excellent anti-permeability performance, so that the primer has excellent adhesive property and long-acting anti-corrosion performance.
In order to further fill and modify defects such as matrix pits, pin shrinkage holes, cracks, small welding seams and the like so as to meet the requirements of leveling and smoothing of the surface of a substrate before a finish paint layer, coating a water-based epoxy putty paint on the surface of the epoxy zinc-rich primer layer 2 in a blade coating mode, and curing at room temperature to form a putty coating 3, wherein the thickness of the putty coating 3 is 20-40 mu m.
Further, the water-based epoxy putty coating is prepared by the method shown in 'a water-based epoxy putty and a preparation method and a use method thereof' with an authorization notice number of CN 101412862B.
The epoxy aluminum powder intermediate layer 4 is formed by coating an aluminum-zirconium organic metal coupling agent modified epoxy aluminum powder coating (refer to 7 th volume 38 of university of Hunan' journal of Nature science version 7 of 7.2011) on the surface of the putty coating 3 in an electrostatic spraying manner, and curing at room temperature, so that the formed epoxy aluminum powder intermediate layer 4 is more excellent in smoothness and compactness and high in physical shielding property, the corrosion resistance of the whole coating structure is improved, a putty coating does not need to be attached firstly to keep the flatness when a finish coating is attached, and the thickness of the epoxy aluminum powder intermediate layer 4 is 40-80 mu m.
The fluorocarbon resin finish paint layer 5 is formed by coating fluorosilicone resin on the surface of the epoxy aluminum powder intermediate layer 4 by adopting an electrostatic spraying method, and curing the fluorosilicone resin at room temperature to form a waterproof stain-resistant finish paint layer with a self-repairing characteristic, wherein the thickness of the fluorocarbon resin finish paint layer 5 is 120-200 mu m.
Furthermore, the fluorosilicone resin is prepared by the preparation method shown in the application number of 201711328592.X, so that the waterproof and stain-resistant performance of the fluorosilicone resin can be automatically restored after the fluorosilicone resin is used for a long time.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the embodiments disclosed, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention, the equivalents and substitutions being limited only by the scope of the appended claims.
Claims (6)
1. The stain-resistant corrosion-resistant coating structure for the surface of the engineering machinery is characterized by comprising an engineering machinery substrate, wherein an epoxy zinc-rich primer layer, a putty coating, an epoxy aluminum powder intermediate layer and a fluorocarbon resin finish paint layer are sequentially bonded on the surface of the engineering machinery substrate from bottom to top.
2. The fouling-resistant corrosion-resistant coating structure for the surface of engineering machinery as claimed in claim 1, wherein the epoxy zinc-rich primer layer is formed by spraying the epoxy zinc-rich primer on the surface of the engineering machinery substrate and curing at room temperature, and the thickness of the epoxy zinc-rich primer layer is 90-150 μm.
3. The coating structure of claim 2, wherein the zinc-rich epoxy primer is prepared by crosslinking a liquid phenolic resin and a solid epoxy resin as main materials, an anti-rust pigment, an active diluent, a dispersant, and an anti-settling agent as auxiliary materials, and a modified amine curing agent.
4. The coating structure of claim 1, wherein the putty coating is formed by applying unsaturated polyester resin on the surface of the epoxy zinc-rich primer layer by blade coating and curing at room temperature, and the thickness of the putty coating is 20-40 μm.
5. The fouling-resistant corrosion-resistant coating structure for the surface of engineering machinery as claimed in claim 1, wherein the epoxy aluminum powder intermediate layer is prepared by coating an epoxy aluminum powder coating modified by an aluminum-zirconium organic metal coupling agent on the surface of a putty coating in an electrostatic spraying manner and curing at room temperature, and the thickness of the epoxy aluminum powder intermediate layer is 40-80 μm.
6. The coating structure of claim 1, wherein the fluorocarbon resin finish coating is formed by coating fluorosilicone resin on the surface of the epoxy aluminum powder intermediate layer by electrostatic spraying and curing at room temperature, and the thickness of the fluorocarbon resin finish coating is 120-200 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921051722.4U CN210230559U (en) | 2019-07-05 | 2019-07-05 | Stain-resistant corrosion-resistant coating structure for surface of engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921051722.4U CN210230559U (en) | 2019-07-05 | 2019-07-05 | Stain-resistant corrosion-resistant coating structure for surface of engineering machinery |
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| Publication Number | Publication Date |
|---|---|
| CN210230559U true CN210230559U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921051722.4U Active CN210230559U (en) | 2019-07-05 | 2019-07-05 | Stain-resistant corrosion-resistant coating structure for surface of engineering machinery |
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| CN (1) | CN210230559U (en) |
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- 2019-07-05 CN CN201921051722.4U patent/CN210230559U/en active Active
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