Galvanized steel plate with corrosion-resistant function

Abstract

The utility model relates to the technical field of galvanized steel sheets, in particular to a galvanized steel sheet with a corrosion-resistant function, which comprises a steel sheet main body, the steel sheet main body comprises a base plate, an anodic oxide layer is welded on the top of the base plate, and a first electroplated layer is welded on the top of the anodic oxide layer. A second electroplated layer is welded to the top of the first electroplated layer, a composite coating is connected to the top of the second electroplated layer in a hot melting mode, the composite coating comprises an additional plate, and a first corrosion-resistant coating is sprayed to the top of the additional plate. The steel plate body, the positioning protrusions, the base plate, the anodic oxidation layer, the first electroplated layer, the second electroplated layer, the composite coating, the additional plate, the first corrosion-resistant coating and the second corrosion-resistant coating are used in cooperation, in the using process, the double corrosion-resistant coatings are overlaid and sprayed, and therefore the good full-wrapping effect is achieved, and the service life of the steel plate is prolonged. Therefore, the erosion of external chemical substances to the device is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of galvanized steel plates, in particular to a galvanized steel plate with corrosion resistance function. Background Art

[0002] Galvanized steel plate is an economical and effective rust prevention method, with a layer of zinc plated on its surface. By this method, the surface of the steel plate can be prevented from being corroded, thus extending its service life. About half of the global zinc production is used in the galvanizing process, and galvanized steel plates are often required in the process of automobile processing.

[0003] After retrieval, the patent number is CN115416379A, and the name is a hot-dip galvanized steel plate with corrosion resistance and antibacterial properties and its production method, including a steel plate body. Through research and analysis, it is found that although there are advantages of an external wear-resistant layer, to a certain extent, there are still the following disadvantages.

[0004] For example, in the process of using the above-mentioned hot-dip galvanized steel plate with corrosion resistance and antibacterial properties and its production method, usually its corrosion-resistant structure is relatively single, resulting in it being still prone to corrosion deformation under the long-term erosion of external chemical substances, which has a certain impact on the service life of its main body. To solve the above technical problems, we have designed a galvanized steel plate with corrosion resistance function. Content of the Utility Model

[0005] The purpose of the utility model is to provide a galvanized steel plate with corrosion resistance function, which has the advantages of more corrosion-resistant structures and strong anti-external corrosion ability, and solves the problem that a single corrosion-resistant structure is prone to a decline in protection ability after being eroded.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a galvanized steel plate with corrosion resistance function, including a steel plate main body, the steel plate main body includes a base plate, an anodic oxidation layer is welded on the top of the base plate, a first electroplated layer is welded on the top of the anodic oxidation layer, a second electroplated layer is welded on the top of the first electroplated layer, and a composite coating is connected by hot melting on the top of the second electroplated layer.

[0007] Preferably, the composite coating includes an additional plate, a first corrosion-resistant coating is sprayed on the top of the additional plate, and a second corrosion-resistant coating is sprayed on the top of the first corrosion-resistant coating.

[0008] Preferably, the first corrosion-resistant coating is made of epoxy resin material, and the second corrosion-resistant coating is made of polyurethane coating.

[0009] Preferably, both the additional plate and the base plate are made of galvanized steel plate material, and the thickness of the additional plate is 0.3 cm - 0.34 cm.

[0010] Preferably, the first electroplated layer is made of aluminum material, and the second electroplated layer is made of lead-tin alloy material.

[0011] Preferably, a positioning protrusion is welded to the top of the steel plate body. The number of the positioning protrusions is several, and the surface of the positioning protrusion is rounded.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] By using the steel plate body, the positioning protrusion, the base plate, the anodic oxidation layer, the first electroplated layer, the second electroplated layer, the composite coating, the additional plate, the first corrosion-resistant coating, and the second corrosion-resistant coating in cooperation, the present utility model can achieve a good full-wrap effect during use through the superimposed spraying of the double corrosion-resistant coatings, so as to reduce the erosion of external chemical substances. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0015] Figure 2 is a three-dimensional exploded schematic diagram of the partial structure of the present utility model Figure 1 ;

[0016] Figure 3 is a three-dimensional exploded schematic diagram of the partial structure of the present utility model Figure 2 .

[0017] In the figure: 1. Steel plate body; 2. Positioning protrusion; 3. Base plate; 4. Anodic oxidation layer; 5. First electroplated layer; 6. Second electroplated layer; 7. Composite coating; 8. Additional plate; 9. First corrosion-resistant coating; 10. Second corrosion-resistant coating. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Please refer to Figures 1 - 3 , a galvanized steel plate with corrosion resistance function, including a steel plate body 1. The steel plate body 1 includes a base plate 3. An anodic oxidation layer 4 is welded to the top of the base plate 3. A first electroplated layer 5 is welded to the top of the anodic oxidation layer 4. A second electroplated layer 6 is welded to the top of the first electroplated layer 5. A composite coating 7 is thermally connected to the top of the second electroplated layer 6.

[0019] Please refer to Figure 2 , the composite coating 7 includes an additional plate 8. A first corrosion-resistant coating 9 is sprayed on the top of the additional plate 8. A second corrosion-resistant coating 10 is sprayed on the top of the first corrosion-resistant coating 9.

[0020] Please refer to Figure 2 , the first corrosion-resistant coating 9 is made of epoxy resin material, and the second corrosion-resistant coating 10 is made of polyurethane paint.

[0021] Please refer toFigure 2 Both the additional plate 8 and the base plate 3 are made of galvanized steel sheet material, and the thickness of the additional plate 8 is 0.3 cm - 0.34 cm.

[0022] Please refer to Figure 2 The first plating layer 5 is made of aluminum material, and the second plating layer 6 is made of lead-tin alloy material.

[0023] Please refer to Figure 2 On the top of the steel plate body 1, positioning protrusions 2 are welded. The number of the positioning protrusions 2 is several, and the surfaces of the positioning protrusions 2 are rounded.

[0024] By setting the first corrosion-resistant coating 9, it can achieve a good chemical corrosion-resistant effect by isolating external chemical substances and resisting them specifically.

[0025] By setting the second corrosion-resistant coating 10, it can improve the chemical corrosion resistance of its main body by wrapping and protecting the outer layer of the first corrosion-resistant coating 9.

[0026] By setting the base plate 3, on the basis of the additional plate 8, it can provide a certain covering and protecting effect, thus achieving the protective effect of chemical erosion transfer.

[0027] By setting the first plating layer 5 and the second plating layer 6, it can further reduce the erosion of external chemical substances through the double-layer plating protection method.

[0028] By setting the anodic oxidation layer 4, it can improve the chemical protection effect of the main body through anodic oxidation.

[0029] During use, by setting the first corrosion-resistant coating 9, it can achieve a good chemical corrosion-resistant effect by isolating external chemical substances and resisting them specifically. By setting the second corrosion-resistant coating 10, it can improve the chemical corrosion resistance of its main body by wrapping and protecting the outer layer of the first corrosion-resistant coating 9. By setting the base plate 3, on the basis of the additional plate 8, it can provide a certain covering and protecting effect, thus achieving the protective effect of chemical erosion transfer. By setting the first plating layer 5 and the second plating layer 6, it can further reduce the erosion of external chemical substances through the double-layer plating protection method. By setting the anodic oxidation layer 4, it can improve the chemical protection effect of the main body through anodic oxidation.

[0030] In summary, for the galvanized steel sheet with corrosion-resistant function, by using the positioning protrusions 2, the base plate 3, the anodic oxidation layer 4, the first plating layer 5, the second plating layer 6, the composite coating 7 and the additional plate 8 in combination, the problem that the protection ability of a single corrosion-resistant structure is likely to decline after being eroded is solved.

Claims

1. A galvanized steel sheet with corrosion resistance, comprising a steel sheet body (1), characterized in that: The steel plate body (1) comprises a base plate (3), an anodized layer (4) is welded on the top of the base plate (3), a first electroplated layer (5) is welded on the top of the anodized layer (4), a second electroplated layer (6) is welded on the top of the first electroplated layer (5), and a composite coating (7) is hot-melt-connected on the top of the second electroplated layer (6).

2. The galvanized steel sheet with corrosion resistance according to claim 1, characterized in that: The composite coating (7) comprises an additional plate (8), a first corrosion-resistant coating (9) is sprayed on the top of the additional plate (8), and a second corrosion-resistant coating (10) is sprayed on the top of the first corrosion-resistant coating (9).

3. The galvanized steel sheet with corrosion resistance according to claim 2, characterized in that: The first corrosion-resistant coating (9) is made of epoxy resin material, and the second corrosion-resistant coating (10) is made of polyurethane coating.

4. The galvanized steel sheet with corrosion resistance according to claim 3, characterized in that: The additional plate (8) and the base plate (3) are both made of galvanized steel plate material, and the thickness of the additional plate (8) is 0.3 cm-0.34 cm.

5. The galvanized steel sheet with corrosion resistance according to claim 1, characterized in that: The first electroplating layer (5) is made of aluminum material, and the second electroplating layer (6) is made of lead-tin alloy material.

6. The galvanized steel sheet with corrosion resistance according to claim 1, characterized in that: A positioning protrusion (2) is welded on the top of the steel plate body (1), the number of the positioning protrusions (2) is several, and the surface of the positioning protrusion (2) is rounded.

Images