Bending-resistant aluminum composite panel

Abstract

This utility model discloses a bend-resistant aluminum composite panel, comprising: a first aluminum substrate layer, a second aluminum substrate layer, a flame-retardant core material layer, a first coating layer, and a second coating layer. The first aluminum substrate layer is disposed on the top surface of the flame-retardant core material layer, and the second aluminum substrate layer is disposed on the bottom surface of the flame-retardant core material layer. The first coating layer is disposed above the first aluminum substrate layer, and the second coating layer is disposed below the second aluminum substrate layer. The top surface of the first aluminum substrate layer has a recessed first bending groove spaced apart along its length, and the bottom surface of the second aluminum substrate layer has a recessed second bending groove spaced apart along its length. The bend-resistant aluminum composite panel of this utility model, with its first and second bending grooves, facilitates easier bending of the first and second aluminum substrate layers, resulting in good synchronous bending with the flame-retardant core material layer and reducing the likelihood of damage or separation.

Description

Technical Field

[0001] This utility model relates to the field of aluminum composite panels, and more particularly to a bend-resistant aluminum composite panel. Background Technology

[0002] Aluminum composite panels typically consist of a core material, an aluminum substrate, and a coating. The core material is located between two layers of aluminum substrate, and the coating is laminated onto the outer surface of the aluminum substrate for protection and decoration.

[0003] The core material can be made of polyethylene to achieve adhesion to the upper and lower aluminum substrates, resulting in very tight contact between the core material and the aluminum substrate. During bending construction, the core material and the aluminum substrate need to be bent simultaneously. Because the aluminum substrate is relatively thin and the core material is relatively thick, and because the materials of the aluminum substrate and the core material are different, their elastic deformation capabilities during the bending process are also different, which can easily lead to damage or separation of the core material and the aluminum substrate, resulting in poor bending resistance, which requires improvement. Utility Model Content

[0004] The purpose of this invention is to provide a bend-resistant aluminum composite panel that improves structural stability and enhances bend resistance.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] A bend-resistant aluminum composite panel includes: a first aluminum substrate layer, a second aluminum substrate layer, a flame-retardant core material layer, a first coating layer, and a second coating layer. The first aluminum substrate layer is disposed on the top surface of the flame-retardant core material layer, the second aluminum substrate layer is disposed on the bottom surface of the flame-retardant core material layer, the first coating layer is disposed above the first aluminum substrate layer, and the second coating layer is disposed below the second aluminum substrate layer. The top surface of the first aluminum substrate layer is recessed and has first bending grooves spaced apart along its length direction, and the bottom surface of the second aluminum substrate layer is recessed and has second bending grooves spaced apart along its length direction.

[0007] The flame-retardant core material layer is made of flame-retardant polyethylene board.

[0008] The first and second coating layers are respectively made of PE film.

[0009] The first coating layer and the second coating layer are respectively made of PVDF film.

[0010] The first bending groove and the second bending groove extend along the width direction of the flame-retardant core material layer, respectively.

[0011] The first and second bending grooves have V-shaped cross-sections.

[0012] The bottom surface of the first aluminum substrate layer is provided with a first rib that corresponds one-to-one with the first bending groove and extends into the flame-retardant core material layer.

[0013] The second aluminum substrate layer has a second rib protruding outward from the top surface, which corresponds to the second bending groove and extends into the flame-retardant core material layer.

[0014] The first aluminum substrate layer has a first hot melt film covering the first bending groove on its top surface, and the second aluminum substrate layer has a second hot melt film covering the second bending groove on its bottom surface.

[0015] Elastic fillers are provided in the first bending groove and the second bending groove.

[0016] The beneficial effects of this utility model are as follows: A bend-resistant aluminum composite panel is specially designed with a first bending groove and a second bending groove, which makes the first aluminum substrate layer and the second aluminum substrate layer easier to bend. The synchronous bending effect with the flame-retardant core material layer is good, and it is not easy to be damaged or separated. The first and second ribs are used to increase the bonding force between the first aluminum substrate layer and the second aluminum substrate layer and the flame-retardant core material layer, making the structure more stable and durable. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 yes Figure 1 A magnified view of part A in the middle. Detailed Implementation

[0019] The following is combined Figures 1 to 2 The technical solution of this utility model will be further illustrated through specific embodiments.

[0020] like Figure 1 The bending-resistant aluminum composite panel shown includes: a first aluminum substrate layer 2, a second aluminum substrate layer 4, a flame-retardant core material layer 1, a first coating layer 3, and a second coating layer 5. The first aluminum substrate layer 2 is disposed on the top surface of the flame-retardant core material layer 1, and the second aluminum substrate layer 4 is disposed on the bottom surface of the flame-retardant core material layer 1. In this embodiment, the flame-retardant core material layer 1 is made of flame-retardant polyethylene board, which has a good flame-retardant effect.

[0021] The first aluminum substrate layer 2 and the second aluminum substrate layer 4 are placed in a mold, and flame-retardant polyethylene material is injected to obtain the flame-retardant core material layer 1, thereby achieving the bonding of the first aluminum substrate layer 2 and the second aluminum substrate layer 4, and improving production efficiency.

[0022] The first coating layer 3 is disposed above the first aluminum substrate layer 2, and the second coating layer 5 is disposed below the second aluminum substrate layer 4. In this embodiment, the first coating layer 3 and the second coating layer 5 are respectively made of PE film. PE film has low cost and can protect the first aluminum substrate layer 2 and the second aluminum substrate layer 4.

[0023] In addition, the first coating layer 3 and the second coating layer 5 can be made of PVDF film. PVDF film has good weather resistance, corrosion resistance and ultraviolet radiation resistance, and is suitable for outdoor use.

[0024] The top surface of the first aluminum substrate layer 2 is recessed and has a first bending groove 7 that is spaced apart along its length. The bottom surface of the second aluminum substrate layer 4 is recessed and has a second bending groove 10 that is spaced apart along its length. In this embodiment, the first bending groove 7 and the second bending groove 10 extend along the width direction of the flame-retardant core material layer 1, respectively. The design of the first bending groove 7 and the second bending groove 10 makes it easier to bend the entire structure along its length.

[0025] like Figure 2 As shown, the first bending groove 7 and the second bending groove 10 have a V-shaped cross-section. The V-shaped structure is easier to expand and contract, making the first aluminum substrate layer 2 and the second aluminum substrate layer 4 easier to bend. The effect of synchronous bending with the flame-retardant core material layer 1 is good, and it is not easy to be damaged or separated.

[0026] In this embodiment, the bottom surface of the first aluminum substrate layer 2 is provided with a first rib 8 that corresponds one-to-one with the first bending groove 7 and extends into the flame-retardant core material layer. The top surface of the second aluminum substrate layer 4 is provided with a second rib 11 that corresponds one-to-one with the second bending groove 10 and extends into the flame-retardant core material layer 1. The first rib 8 and the second rib 11 increase the bonding force between the first aluminum substrate layer 2 and the second aluminum substrate layer 4 and the flame-retardant core material layer 1, making the structure more stable, less prone to cracking during bending, and durable.

[0027] like Figure 2 As shown, the top surface of the first aluminum substrate layer 2 is provided with a first hot melt film 6 covering the first bending groove 7, and the bottom surface of the second aluminum substrate layer 4 is provided with a second hot melt film 9 covering the second bending groove 10. The first hot melt film 6 and the second hot melt film 9 cover the first bending groove 7 and the second bending groove 10, thereby supporting the first coating layer 3 and the second coating layer 5 and improving the surface flatness.

[0028] In addition, the first bending groove 7 and the second bending groove 10 are provided with elastic fillers. The elastic fillers can be flame-retardant adhesive strips to fill the first bending groove 7 and the second bending groove 10, ensuring the flatness of the first coating layer 3 and the second coating layer 5, eliminating the need for the first hot melt film 6 and the second hot melt film 9, thus reducing costs.

[0029] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A bend-resistant aluminum composite panel, characterized in that, include: The material comprises a first aluminum substrate layer, a second aluminum substrate layer, a flame-retardant core material layer, a first coating layer, and a second coating layer. The first aluminum substrate layer is disposed on the top surface of the flame-retardant core material layer, and the second aluminum substrate layer is disposed on the bottom surface of the flame-retardant core material layer. The first coating layer is disposed above the first aluminum substrate layer, and the second coating layer is disposed below the second aluminum substrate layer. The top surface of the first aluminum substrate layer is recessed and has first bending grooves spaced apart along its length. The bottom surface of the second aluminum substrate layer is recessed and has second bending grooves spaced apart along its length.

2. The bend-resistant aluminum composite plate according to claim 1, characterized in that, The flame-retardant core material layer is made of flame-retardant polyethylene board.

3. The bend-resistant aluminum composite plate according to claim 1, characterized in that, The first and second coating layers are both made of PE film.

4. The bend-resistant aluminum composite plate according to claim 1, characterized in that, The first and second coating layers are both made of PVDF film.

5. The bend-resistant aluminum composite plate according to claim 1, characterized in that, The first bending groove and the second bending groove extend along the width direction of the flame-retardant core material layer, respectively.

6. The bend-resistant aluminum composite plate according to claim 1, characterized in that, The first and second bending grooves have V-shaped cross-sections.

7. The bend-resistant aluminum composite plate according to claim 1, characterized in that, The bottom surface of the first aluminum substrate layer is provided with a first rib that corresponds one-to-one with the first bending groove and extends into the flame-retardant core material layer.

8. The bend-resistant aluminum composite plate according to claim 1, characterized in that, The top surface of the second aluminum substrate layer is provided with a second rib that corresponds one-to-one with the second bending groove and extends into the flame-retardant core material layer.

9. The bend-resistant aluminum composite plate according to claim 1, characterized in that, The top surface of the first aluminum substrate layer is provided with a first hot melt film covering the first bending groove, and the bottom surface of the second aluminum substrate layer is provided with a second hot melt film covering the second bending groove.

10. The bend-resistant aluminum composite plate according to claim 1, characterized in that, An elastic filler is provided in the first bending groove and the second bending groove.

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