CN216683611U - Color coating steel plate with scratch-proof structure - Google Patents
Color coating steel plate with scratch-proof structure Download PDFInfo
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- CN216683611U CN216683611U CN202122878304.6U CN202122878304U CN216683611U CN 216683611 U CN216683611 U CN 216683611U CN 202122878304 U CN202122878304 U CN 202122878304U CN 216683611 U CN216683611 U CN 216683611U
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Abstract
The utility model relates to the technical field of scratch prevention of galvanized steel sheets, in particular to a color coated steel sheet with a scratch prevention structure. The technical scheme comprises the following steps: comprises a top coat A; be provided with primary coat A on top-coat layer A's the lower surface, be provided with chemical conversion layer A on primary coat A lower surface, be provided with antistatic layer A on chemical conversion layer A's the lower surface, be provided with galvanizing coat A on antistatic layer A's the lower surface, it pricks the board to be provided with cold steel on galvanizing coat A's the lower surface, be provided with galvanizing coat B on cold steel pricks the lower surface of board, be provided with antistatic layer B on galvanizing coat B's the lower surface, be provided with chemical conversion layer B on antistatic layer B's the lower surface, be provided with primary coat B on chemical conversion layer B's the lower surface, be provided with top-coat layer B on primary coat B's the lower surface. The chemical conversion layer is made of a phosphate film, and the phosphate film has high wear resistance, corrosion resistance and heat resistance and simultaneously enhances the adhesion of the coating.
Description
Technical Field
The utility model relates to the technical field of scratch prevention of galvanized steel sheets, in particular to a color coated steel sheet with a scratch prevention structure.
Background
The color coated steel sheet is a product which is prepared by using a cold-rolled steel sheet, an electrogalvanized steel sheet, a hot-galvanized steel sheet or an aluminum-zinc plated steel sheet as a substrate, degreasing the surface, phosphating the surface, performing chromate treatment, coating organic paint and baking the organic paint, and is widely applied to household electric products and indoor and outdoor architectural decoration products in international fashion in recent years.
Through search, patent publication No. CN204278651U discloses a PCM water-based roller coating paint color coating steel plate, wherein a substrate is a steel plate, the front surface of the steel plate is coated with a water-based roller coating primer layer, the water-based roller coating primer layer is coated with a water-based roller coating top paint layer, and the back surface of the steel plate is coated with a water-based roller coating back paint layer. The production process is environment-friendly by using the water-based roller painting on the surface of the steel plate, and the PCM water-based roller painting color coating steel plate has high surface hardness and good fullness; excellent medium resistance and mechanical performance.
The existing color coating steel plate has the defects that:
1. the surface coating of the existing color coating steel plate is easy to scratch and damage in use, so that the internal structure is corroded, and the color coating steel plate with the scratch-proof structure is provided for solving the problems. .
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provides a color coated steel plate with a scratch-proof structure.
The technical scheme of the utility model is as follows: a color coated steel plate with a scratch-proof structure comprises a top coating A, a primary coating A, a chemical conversion layer A, an antistatic layer A, a zinc coating A, a cold rolled steel plate, a zinc coating B, an antistatic layer B, a chemical conversion layer B, a primary coating B and a surface coating B; be provided with primary coat A on top-coat layer A's the lower surface, be provided with chemical conversion layer A on primary coat A lower surface, be provided with antistatic layer A on chemical conversion layer A's the lower surface, be provided with galvanizing coat A on antistatic layer A's the lower surface, it pricks the board to be provided with cold steel on galvanizing coat A's the lower surface, be provided with galvanizing coat B on cold steel pricks the lower surface of board, be provided with antistatic layer B on galvanizing coat B's the lower surface, be provided with chemical conversion layer B on antistatic layer B's the lower surface, be provided with primary coat B on chemical conversion layer B's the lower surface, be provided with top-coat layer B on primary coat B's the lower surface.
Preferably, the top coat layer A and the top coat layer B are made of polyamide modified polyester resin materials. The polyester resin has higher hardness and sand surface effect, so that the finish coat has good scratch-resistant and wear-resistant effects.
Preferably, the primary coating A and the primary coating B are made of amino modified epoxy resin materials. When the amino modified epoxy resin material is coated on the cold rolled steel plate, the amino modified epoxy resin material is baked at the temperature of 220-232 ℃, so that the good sealing characteristic and excellent adhesive force of the epoxy resin are reserved, and meanwhile, the flexibility of the epoxy resin is improved by adopting amino modification.
Preferably, the chemical conversion layer a and the chemical conversion layer B are formed using a phosphate film. The phosphate film layer has high wear resistance, corrosion resistance and heat resistance, and meanwhile, the adhesiveness of the coating is enhanced.
Preferably, the zinc coating layer A and the zinc coating layer B are made of zinc-chromium materials, and the surfaces of the zinc coating layer A and the zinc coating layer B are basic zinc carbonate protective films. The basic zinc carbonate protective film has the advantages of corrosion resistance, high heat resistance, high adhesion, high friction reduction, high weather resistance, high chemical resistance stability, no environmental pollution and the like, and is favorable for protecting the cold rolled steel plates from being corroded.
Compared with the prior art, the utility model has the following beneficial technical effects:
1. the chemical conversion layer A and the chemical conversion layer B are made of phosphate films, and the phosphate films have high wear resistance, corrosion resistance and heat resistance and simultaneously enhance the adhesiveness of the coating; the zinc coating A and the zinc coating B are made of zinc-chromium materials, and the surface of the zinc coating A and the zinc coating B is provided with the basic zinc carbonate protective film, and the basic zinc carbonate protective film has the advantages of corrosion resistance, high heat resistance, high adhesion, high friction resistance, high weather resistance, high chemical stability, no environmental pollution and the like, and is favorable for protecting the cold rolled steel plate from being corroded.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
reference numerals: 1. a top coating A; 2. primary coating A; 3. a chemical conversion layer A; 4. an antistatic layer A; 5. a zinc coating A; 6. cold rolling the steel plate; 7. a zinc coating layer B; 8. an antistatic layer B; 9. a chemical conversion layer B; 10. primary coating B; 11. and a top coating B.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 1, the color coated steel plate with a scratch-proof structure provided by the utility model comprises a top coating a1, a primary coating a2, a chemical conversion layer A3, an antistatic layer a4, a zinc coating a5, a cold rolled steel plate 6, a zinc coating B7, an antistatic layer B8, a chemical conversion layer B9, a primary coating B10 and a surface coating B11; be provided with initial coating A2 on top coating A1's the lower surface, be provided with chemical conversion layer A3 on the initial coating A2 lower surface, be provided with antistatic layer A4 on chemical conversion layer A3's the lower surface, be provided with galvanizing coat A5 on antistatic layer A4's the lower surface, be provided with cold steel on galvanizing coat A5's the lower surface and prick board 6, be provided with galvanizing coat B7 on cold steel prick board 6's the lower surface, be provided with antistatic layer B8 on galvanizing coat B7's the lower surface, be provided with chemical conversion layer B9 on antistatic layer B8's the lower surface, be provided with initial coating B10 on chemical conversion layer B9's the lower surface, be provided with top coating B11 on initial coating B10's the lower surface.
Preferably, the top coat A1 and the top coat B11 are made of polyamide modified polyester resin materials, and the polyester resin has higher hardness and sand surface effect, so that the top coat has good scratch and wear resistant effects.
Preferably, the primary coating A2 and the primary coating B10 are made of amino modified epoxy resin materials, and the amino modified epoxy resin materials are baked at the temperature of 220-232 ℃ when being coated on the cold rolled steel plate 6, so that the good sealing property and the excellent adhesive force of the epoxy resin are reserved, and the flexibility of the epoxy resin is improved by adopting amino modification.
Preferably, the chemical conversion layer a3 and the chemical conversion layer B9 are made of phosphate films, and the phosphate film layers have high wear resistance, corrosion resistance and heat resistance, and simultaneously enhance the adhesion of the coating.
Preferably, the zinc coating a5 and the zinc coating B7 are made of zinc-chromium materials, and the surface basic zinc carbonate protective films of the zinc coating a5 and the zinc coating B7 have corrosion resistance, high heat resistance, high adhesion, high friction resistance, high weather resistance, high chemical resistance stability, no environmental pollution and the like, and are beneficial to protecting the cold rolled steel plate 6 from corrosion.
The working principle of the color coated steel plate with the scratch-proof structure based on the embodiment 1 is as follows: the working personnel firstly carry out the acid cleaning, degreasing and derusting processes on the cold rolled steel plate 6, the cold rolled steel plate 6 after the working procedures is rolled into a steel plate with uniform thickness and bright surface at normal temperature, the rolled cold rolled steel plate 6 enters a hot galvanizing bath to be galvanized to form a galvanized layer A5 and a galvanized layer B7, the galvanized cold rolled steel plate 6 is put into a phosphoric acid treatment solution to be chemically treated to form a chemical conversion layer A3 and a chemical conversion layer B9, then a primary coating A2 and a primary coating B10 are coated on the cold rolled steel plate 6, the colored cold rolled steel plate 6 is coated with the colored A1 and a surface coating B11 after the primary coating A2 and the primary coating B10 are dried and cured, and finally the steel plate is coated with a protective film after being cooled.
The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.
Claims (5)
1. A color coated steel plate with a scratch-proof structure comprises a top coating A (1), a primary coating A (2), a chemical conversion layer A (3), an antistatic layer A (4), a zinc coating A (5), a cold rolled steel plate (6), a zinc coating B (7), an antistatic layer B (8), a chemical conversion layer B (9), a primary coating B (10) and a surface coating B (11); the method is characterized in that: be provided with precoating A (2) on the lower surface of top-coat layer A (1), be provided with chemical conversion layer A (3) on precoating A (2) lower surface, be provided with antistatic layer A (4) on the lower surface of chemical conversion layer A (3), be provided with on the lower surface of antistatic layer A (4) galvanizing coat A (5), it pricks board (6) to be provided with cold steel on the lower surface of galvanizing coat A (5), be provided with galvanizing coat B (7) on the lower surface of cold steel prick board (6), be provided with antistatic layer B (8) on the lower surface of galvanizing coat B (7), be provided with chemical conversion layer B (9) on the lower surface of antistatic layer B (8), be provided with top-coat layer B (10) on the lower surface of chemical conversion layer B (9), be provided with top-coat layer B (11) on the lower surface of top-coat B (10).
2. The color coated steel sheet with a scratch preventing structure as set forth in claim 1, wherein: the top coating A (1) and the top coating B (11) are made of polyamide modified polyester resin materials.
3. The color coated steel sheet with a scratch preventing structure as set forth in claim 1, wherein: the primary coating A (2) and the primary coating B (10) are made of amino modified epoxy resin materials.
4. The color coated steel sheet with a scratch preventing structure as set forth in claim 1, wherein: the chemical conversion layer A (3) and the chemical conversion layer B (9) are formed using a phosphate film.
5. The color coated steel sheet with a scratch preventing structure as set forth in claim 1, wherein: the zinc coating A (5) and the zinc coating B (7) are made of zinc-chromium materials, and the surfaces of the zinc coating A (5) and the zinc coating B (7) are provided with basic zinc carbonate protective films.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122878304.6U CN216683611U (en) | 2021-11-23 | 2021-11-23 | Color coating steel plate with scratch-proof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122878304.6U CN216683611U (en) | 2021-11-23 | 2021-11-23 | Color coating steel plate with scratch-proof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216683611U true CN216683611U (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122878304.6U Active CN216683611U (en) | 2021-11-23 | 2021-11-23 | Color coating steel plate with scratch-proof structure |
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| Country | Link |
|---|---|
| CN (1) | CN216683611U (en) |
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2021
- 2021-11-23 CN CN202122878304.6U patent/CN216683611U/en active Active
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