Multipurpose composite cold-rolled steel strip

Abstract

The utility model discloses a multipurpose composite cold-rolled steel strip, which comprises a steel strip body, a composite plate, a groove, a bump, a filling groove and a welding piece, the composite plate comprises a nickel-based corrosion-resistant alloy plate and an aluminum plate, and the nickel-based corrosion-resistant alloy plate and the aluminum plate are adhered together through a polyimide resin adhesive layer. By means of the structure, the aluminum plate in the device is higher in oxidation resistance and corrosion resistance, good in electric conduction and heat conduction performance and capable of being used in a certain severe environment, the limitation of the field is greatly reduced, the polyimide resin adhesive layer is higher in temperature stability and high in strength, and the service life of the device is prolonged. And the corrosion degree of the device can be greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of metallurgical machinery, in particular to a multi-purpose composite cold-rolled steel strip. Background Art

[0002] Cold-rolled steel strips are used for general structural parts and stamping parts in the machinery industry. However, cold-rolled steel strips are prone to rust and have poor corrosion resistance, and cannot be used in harsh environments, which has led to certain limitations in the use of cold-rolled steel strips. In the production room of cold-rolled steel plates, the temperature, humidity and dust pollution of the environment can cause the steel plates to rust, so this problem also needs to be solved.

[0003] In the prior art, after searching, it was found that a Chinese patent disclosed "cold-rolled steel strip", and its application number is "CN201220222818.4". This patent mainly discloses a cold-rolled steel strip, which belongs to the field of metallurgical machinery. The purpose of the utility model is to achieve a cold-rolled steel strip that is easy to adhere to liquid by surface treatment of the cold-rolled steel strip. The utility model has grooves stamped on the steel strip, and the grooves are arranged in a staggered manner. The utility model has a reasonable structure and is simple to process. It increases the attachment points on the surface of the steel strip, making it easier for liquids to adhere to liquid coatings and solutions;

[0004] However, the device is prone to rust, has poor corrosion resistance, and does not have good thermal and electrical conductivity. It cannot be used in harsh environments, which will lead to certain limitations in the use of cold-rolled steel strips. Moreover, the device has certain limitations in the production room because the environmental temperature, humidity and dust pollution can cause the steel plate to rust. Utility Model Content

[0005] The purpose of the utility model is to provide a multi-purpose composite cold-rolled steel strip that can pass through the aluminum plate in the device, has stronger oxidation resistance and corrosion resistance, and has good electrical and thermal conductivity. It can also be used in certain harsh environments, greatly reducing the limitations of the field. Moreover, through the polyimide resin adhesive layer, it has higher temperature stability and high strength, which can greatly reduce the degree of rust on the device.

[0006] To achieve the above-mentioned purpose, a multi-purpose composite cold-rolled steel strip is provided, comprising a steel strip body, a composite plate, a groove, a convex block, a filling groove, and a welding piece;

[0007] The composite plate comprises a nickel-based corrosion-resistant alloy plate and an aluminum plate, and the nickel-based corrosion-resistant alloy plate and the aluminum plate are bonded together through a polyimide resin adhesive layer.

[0008] According to the multi-purpose composite cold-rolled steel strip, the upper and lower surfaces of the steel strip body are provided with a plurality of grooves in an array, and the bonding surface of the composite plate is provided with a plurality of protrusions in an array correspondingly, and the protrusions on the bonding surface of the composite plate are respectively pressed into the grooves on the upper and lower surfaces of the steel strip body.

[0009] According to the multi-purpose composite cold-rolled steel strip, a plurality of filling grooves are evenly spaced apart on the composite plate, and the filling grooves are filled with welding parts.

[0010] The utility model has the following beneficial effects:

[0011] 1. Compared with the prior art, this multi-purpose composite cold-rolled steel strip is provided with a composite plate, grooves, protrusions, a nickel-based corrosion-resistant alloy plate, and an aluminum plate. The composite plates are provided on the upper and lower parts of the new steel strip body, and the protrusions on the bonding surfaces of the two composite plates are respectively pressed into the grooves on the upper and lower sides of the steel strip body, thereby enhancing the firmness of the composite plate and the steel strip body. The composite plate includes a nickel-based corrosion-resistant alloy plate and an aluminum plate, which can have stronger oxidation resistance and corrosion resistance, and has good electrical and thermal conductivity, and can be used in certain harsh environments, greatly reducing the limitations of the field, and having small limitations on use, achieving the functions of stronger oxidation resistance and corrosion resistance, and having good electrical and thermal conductivity, and having the effects of oxidation resistance and corrosion resistance, and having good electrical and thermal conductivity.

[0012] 2. Compared with the prior art, this multi-purpose composite cold-rolled steel strip is provided with a nickel-based corrosion-resistant alloy plate, an aluminum plate, a filling groove, and a welding piece. A plurality of filling grooves are evenly spaced on the composite plate, the filling grooves are filled with welding pieces, hot-melt welding pieces are welded, and then the nickel-based corrosion-resistant alloy plate and the aluminum plate are welded, thereby enhancing the firmness of the nickel-based corrosion-resistant alloy plate and the aluminum plate, realizing the function of enhancing the firmness of the nickel-based corrosion-resistant alloy plate and the aluminum plate, and having the effect of enhancing the firmness of the nickel-based corrosion-resistant alloy plate and the aluminum plate.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a schematic diagram of the overall structure of a multi-purpose composite cold-rolled steel strip of the utility model;

[0016] Figure 2 This is a cross-sectional view of the internal structure of a multi-purpose composite cold-rolled steel strip of the utility model;

[0017] Figure 3 The utility model is a multi-purpose composite cold-rolled steel strip Figure 2 Enlarged view of point A in the middle.

[0018] Legend:

[0019] 1. Steel strip body; 2. Composite plate; 3. Groove; 4. Bump; 5. Filling slot; 6. Welding piece;

[0020] 21. Nickel-based corrosion-resistant alloy plate; 22. Polyimide resin adhesive layer; 23. Aluminum plate; DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-3 The utility model embodiment is a multi-purpose composite cold-rolled steel strip, which includes a steel strip body 1, a composite plate 2, a groove 3, a protrusion 4, a filling groove 5, and a welding part 6.

[0023] The composite plate 2 includes a nickel-based corrosion-resistant alloy plate 21 and an aluminum plate 23, which are bonded together by a polyimide resin adhesive layer 22. The upper and lower surfaces of the steel strip body 1 are provided with a plurality of grooves 3 in an array, and the bonding surface of the composite plate 2 is provided with a plurality of protrusions 4 in an array. The protrusions 4 on the bonding surface of the composite plate 2 are respectively pressed into the grooves 3 on the upper and lower surfaces of the steel strip body 1. In the composite plate 2 provided on the upper and lower parts of the new steel strip body 1, the protrusions 4 on the bonding surfaces of the two composite plates 2 are respectively pressed into the grooves 3 on the upper and lower surfaces of the steel strip body 1, thereby enhancing the firmness of the composite plate 2 and the steel strip body 1. The composite plate 2 includes a nickel-based corrosion-resistant alloy plate 21 and an aluminum plate 23, which can resist oxidation and corrosion more strongly, and has good electrical and thermal conductivity. It can also be used in certain harsh environments, greatly reducing the limitations in the field.

[0024] A plurality of filling grooves 5 are evenly spaced apart on the composite plate 2, and the filling grooves 5 are filled with welding parts 6. By welding the hot-melt welding parts 6, and then welding the nickel-based corrosion-resistant alloy plate 21 and the aluminum plate 23, the firmness of the nickel-based corrosion-resistant alloy plate 21 and the aluminum plate 23 is enhanced.

[0025] Working principle: Through the composite plates 2 provided on the upper and lower parts of the new steel strip body 1, the protrusions 4 on the fitting surfaces of the two composite plates 2 are pressed into the grooves 3 on the upper and lower sides of the steel strip body 1 respectively, thereby enhancing the firmness of the composite plates 2 and the steel strip body 1. The composite plates 2 include nickel-based corrosion-resistant alloy plates 21 and aluminum plates 23, which have stronger oxidation resistance and corrosion resistance, and have good electrical and thermal conductivity. They can also be used in certain harsh environments, greatly reducing the limitations in the field. A number of filling grooves 5 are evenly spaced on the composite plates 2, and the filling grooves 5 are filled with welding parts 6. The hot-melt welding parts 6 are welded, and then the nickel-based corrosion-resistant alloy plates 21 and the aluminum plates 23 are welded, thereby enhancing the firmness of the nickel-based corrosion-resistant alloy plates 21 and the aluminum plates 23, making the device have a wide range of uses.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A multi-purpose composite cold-rolled steel strip, characterized in that: It comprises a steel strip body (1), a composite plate (2), a groove (3), a convex block (4), a filling groove (5), and a welding piece (6); The composite plate (2) comprises a nickel-based corrosion-resistant alloy plate (21) and an aluminum plate (23), and the nickel-based corrosion-resistant alloy plate (21) and the aluminum plate (23) are bonded together via a polyimide resin adhesive layer (22).

2. The multi-purpose composite cold-rolled steel strip according to claim 1, characterized in that: The upper and lower surfaces of the steel strip body (1) are provided with a plurality of grooves (3) in an array, and the bonding surface of the composite plate (2) is provided with a plurality of protrusions (4) in an array correspondingly, and the protrusions (4) on the bonding surface of the composite plate (2) are respectively pressed into the grooves (3) on the upper and lower surfaces of the steel strip body (1).

3. The multi-purpose composite cold-rolled steel strip according to claim 1, characterized in that: The composite plate (2) is provided with a plurality of filling grooves (5) at even intervals, and the filling grooves (5) are filled with welding parts (6).

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