CN110938325A - Antirust coating structure and processing method thereof - Google Patents
Antirust coating structure and processing method thereof Download PDFInfo
- Publication number
- CN110938325A CN110938325A CN201911310680.6A CN201911310680A CN110938325A CN 110938325 A CN110938325 A CN 110938325A CN 201911310680 A CN201911310680 A CN 201911310680A CN 110938325 A CN110938325 A CN 110938325A
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- Prior art keywords
- coating
- baking
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- sheets
- zinc
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/106—Anti-corrosive paints containing metal dust containing Zn
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/103—Anti-corrosive paints containing metal dust containing Al
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/10—Metallic substrate based on Fe
Abstract
The invention discloses an antirust coating structure which is coated on the surface of a steel substrate and is formed by disorderly arranging a plurality of aluminum sheets and zinc sheets, wherein composite chromate compounds are filled in gaps among the aluminum sheets and the zinc sheets, and the surface of the coating is also covered with the composite chromate compounds. The invention discloses an antirust coating structure which can form an antirust coating with the thickness of 6-8 micrometers on the surface of a base material and has the function of mechanical shielding, covering and protecting the base material.
Description
Technical Field
The invention relates to the field of coatings, in particular to an antirust coating structure and a processing method thereof.
Background
The fastener is the basis of industrial industry development, and directly influences the quality and safety of the mechanical integral product. However, the fastener may suffer from problems such as loosening, rusting, seizure, and even breakage during use, and the occurrence of these phenomena presents a significant safety risk and even a serious accident. Therefore, the fastener is very important in quality, correct installation, use, maintenance, inspection and development of high-performance protective coatings, and people pay high attention to the fastener. In addition, fasteners used in marine environments or coastal areas need to have excellent corrosion and rust prevention properties.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an antirust coating structure which can form an antirust layer on the surface of a fastener.
In order to achieve the purpose, the invention provides the following technical scheme: the rust-proof coating structure is coated on the surface of a steel substrate and is formed by disorderly arranging a plurality of aluminum sheets and zinc sheets, a composite chromate compound is filled in gaps between the aluminum sheets and the zinc sheets, and the surface of the coating is also coated with the composite chromate compound.
Preferably, the aluminum sheet and the zinc sheet are in a scale-shaped structure, and the size of the aluminum sheet and the zinc sheet is 0.1-0.2 x 10-15 mu m.
A processing method of an antirust coating structure comprises the following steps:
A. degreasing and cleaning; sequentially placing the base material into a first cleaning tank and a second cleaning tank for cleaning, removing surface oil, and then drying;
B. derusting; pouring the degreased base material into a derusting machine to remove rust spots generated on the surface;
C. first coating: pouring the base material into a coating machine for first coating, starting the coating machine and setting coating parameters: the immersion time is 8-12 s, the immersion frequency is 1 time, the immersion rotating speed is 25-40 r/min, the centrifugation time is 10-15 s, the centrifugation frequency is 4 times, and the centrifugation rotating speed is 240-250 r/min;
D. baking for the first time: conveying the product coated for the first time into a sintering furnace by a conveying mesh belt for baking for the first time, and controlling the preheating area time to be 5-7 min and the baking area time to be 35-50 min;
E. and (3) blanking inspection of semi-finished products: detecting the thickness of the coating of the semi-finished product after the primary coating;
F. and (3) second coating: pouring the semi-finished product into the coating machine again for second coating operation, wherein the coating parameters are consistent with those of the first coating operation;
G. and (5) baking for the second time: conveying the secondarily coated product into a baking furnace by the conveying mesh belt for secondary baking, and controlling the preheating area time to be 5-7 min and the baking area time to be 35-50 min;
H. blanking of finished products: and (5) blanking the finished product subjected to secondary coating from the conveying mesh belt and carrying out final thickness detection.
Preferably, in the first baking step and the second baking step, the temperature of a preheating zone in the baking furnace is 150-160 ℃, and the temperature of a baking zone is 320-340 ℃.
Compared with the prior art, the rust-proof coating structure disclosed by the invention is provided with the scaly zinc sheets which play an electrochemical protection role on a matrix, and the zinc sheets, the aluminum sheets and the composite chromate play a mechanical shielding protection role and an aluminum zinc inhibition elutriation role.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the contents of the present invention.
The rust-proof coating structure disclosed by the invention is coated on the surface of a steel substrate, the rust-proof coating structure is formed by disorderly arranging a plurality of aluminum sheets and zinc sheets, a composite chromate compound is filled in gaps between the aluminum sheets and the zinc sheets, and the surface of the coating is also covered with the composite chromate compound.
The aluminum sheet and the zinc sheet are of a scale-shaped structure, and the size of the aluminum sheet and the zinc sheet is 0.1-0.2 x 10-15 mu m.
A processing method of an antirust coating structure comprises the following steps:
A. degreasing and cleaning; sequentially placing the base material into a first cleaning tank and a second cleaning tank for cleaning, removing surface oil, and then drying;
B. derusting; pouring the degreased base material into a derusting machine to remove rust spots generated on the surface;
C. first coating: pouring the base material into a coating machine for first coating, starting the coating machine and setting coating parameters: the immersion time is 8-12 s, the immersion frequency is 1 time, the immersion rotating speed is 25-40 r/min, the centrifugation time is 10-15 s, the centrifugation frequency is 4 times, and the centrifugation rotating speed is 240-250 r/min;
D. baking for the first time: conveying the product coated for the first time into a sintering furnace by a conveying mesh belt for baking for the first time, wherein the temperature of a preheating area is controlled to be 150-160 ℃, the preheating time is controlled to be 5-7 min, the temperature of a baking area is controlled to be 320-340 ℃, and the baking time is controlled to be 35-50 min;
E. and (3) blanking inspection of semi-finished products: detecting the thickness of the coating of the semi-finished product after the primary coating;
F. and (3) second coating: pouring the semi-finished product into the coating machine again for second coating operation, wherein the coating parameters are consistent with those of the first coating operation;
G. and (5) baking for the second time: conveying the secondarily coated product into a baking furnace by the conveying mesh belt for secondary baking, controlling the temperature of a preheating area to be 150-160 ℃, the preheating time to be 5-7 min, the temperature of a baking area to be 320-340 ℃, and the baking time to be 35-50 min;
H. blanking of finished products: and (5) blanking the finished product subjected to secondary coating from the conveying mesh belt and carrying out final thickness detection.
Therefore, the scope of the present invention should not be limited to the disclosure of the embodiments, but includes various alternatives and modifications without departing from the scope of the present invention, which is defined by the claims of the present patent application.
Claims (4)
1. The utility model provides an antirust coating structure coats on steel substrate surface which characterized in that: the antirust coating structure is formed by disorderly arranging a plurality of aluminum sheets and zinc sheets, the gaps between the aluminum sheets and the zinc sheets are filled with the composite chromate compounds, and the surface of the coating is also covered with the composite chromate compounds.
2. The antirust coating structure according to claim 1, characterized in that: the aluminum sheet and the zinc sheet are of a scale-shaped structure, and the size of the aluminum sheet and the zinc sheet is 0.1-0.2 x 10-15 mu m.
3. A processing method of an antirust coating structure is characterized by comprising the following steps:
A. degreasing and cleaning; sequentially placing the base material into a first cleaning tank and a second cleaning tank for cleaning, removing surface oil, and then drying;
B. derusting; pouring the degreased base material into a derusting machine to remove rust spots generated on the surface;
C. first coating: pouring the base material into a coating machine for first coating, starting the coating machine and setting coating parameters: the immersion time is 8-12 s, the immersion frequency is 1 time, the immersion rotating speed is 25-40 r/min, the centrifugation time is 10-15 s, the centrifugation frequency is 4 times, and the centrifugation rotating speed is 240-250 r/min;
D. baking for the first time: conveying the product coated for the first time into a sintering furnace by a conveying mesh belt for baking for the first time, and controlling the preheating area time to be 5-7 min and the baking area time to be 35-50 min;
E. and (3) blanking inspection of semi-finished products: detecting the thickness of the coating of the semi-finished product after the primary coating;
F. and (3) second coating: pouring the semi-finished product into the coating machine again for second coating operation, wherein the coating parameters are consistent with those of the first coating operation;
G. and (5) baking for the second time: conveying the secondarily coated product into a baking furnace by the conveying mesh belt for secondary baking, and controlling the preheating area time to be 5-7 min and the baking area time to be 35-50 min;
H. blanking of finished products: and (5) blanking the finished product subjected to secondary coating from the conveying mesh belt and carrying out final thickness detection.
4. The method of processing a rust inhibitive coating structure according to claim 3, characterized in that: in the first baking step and the second baking step, the temperature of a preheating zone in the baking furnace is 150-160 ℃, and the temperature of a baking zone is 320-340 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310680.6A CN110938325A (en) | 2019-12-18 | 2019-12-18 | Antirust coating structure and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310680.6A CN110938325A (en) | 2019-12-18 | 2019-12-18 | Antirust coating structure and processing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110938325A true CN110938325A (en) | 2020-03-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911310680.6A Withdrawn CN110938325A (en) | 2019-12-18 | 2019-12-18 | Antirust coating structure and processing method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN110938325A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114747822A (en) * | 2020-12-29 | 2022-07-15 | 江苏启视医疗科技有限公司 | Protective fabric for medical protective clothing and production process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101773901A (en) * | 2009-12-09 | 2010-07-14 | 海洋王照明科技股份有限公司 | Method for improving property of dacromet coating on surface of metal member |
| CN102653643A (en) * | 2012-04-24 | 2012-09-05 | 包头稀土研究院 | Zinc-based composite coating for improving corrosion resistance of neodymium-iron-boron magnet |
| CN106191850A (en) * | 2016-07-21 | 2016-12-07 | 柳州名品科技有限公司 | A kind of preparation method of the small harvester compression roller of coating |
| CN108187992A (en) * | 2018-01-04 | 2018-06-22 | 晋亿实业股份有限公司 | A kind of fastener surface processing method |
| CN108906553A (en) * | 2018-06-27 | 2018-11-30 | 广州海格通信集团股份有限公司 | The surface treatment method and aluminum alloy materials of aluminum alloy base material |
-
2019
- 2019-12-18 CN CN201911310680.6A patent/CN110938325A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101773901A (en) * | 2009-12-09 | 2010-07-14 | 海洋王照明科技股份有限公司 | Method for improving property of dacromet coating on surface of metal member |
| CN102653643A (en) * | 2012-04-24 | 2012-09-05 | 包头稀土研究院 | Zinc-based composite coating for improving corrosion resistance of neodymium-iron-boron magnet |
| CN106191850A (en) * | 2016-07-21 | 2016-12-07 | 柳州名品科技有限公司 | A kind of preparation method of the small harvester compression roller of coating |
| CN108187992A (en) * | 2018-01-04 | 2018-06-22 | 晋亿实业股份有限公司 | A kind of fastener surface processing method |
| CN108906553A (en) * | 2018-06-27 | 2018-11-30 | 广州海格通信集团股份有限公司 | The surface treatment method and aluminum alloy materials of aluminum alloy base material |
Non-Patent Citations (2)
| Title |
|---|
| 吴勇 等: "达克罗涂覆工艺应用探讨", 《通信与广播电视》 * |
| 许乐生 等: ""达克罗技术"及其应用", 《山东机械》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114747822A (en) * | 2020-12-29 | 2022-07-15 | 江苏启视医疗科技有限公司 | Protective fabric for medical protective clothing and production process |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20200331 |