Anti-fracture high-strength paperboard

Abstract

The utility model discloses an anti-fracture high-strength paperboard which comprises two corrugated paper base layers, an edge sealing paperboard, a cross-shaped reinforcing paperboard, a plastic reinforcing frame and a main reinforcing paperboard, the number of the corrugated paper base layers is two, and a reinforcing film is fixedly adhered to the outer side of each corrugated paper base layer. Edge sealing paperboards are fixed to the four side edges of the two corrugated paper base layers in an adhesive mode, cross-shaped reinforcing paperboards, a plastic reinforcing frame and a main reinforcing paperboard are arranged between the two corrugated paper base layers, the cross-shaped reinforcing paperboards, the plastic reinforcing frame and the main reinforcing paperboard are all fixed to the corrugated paper base layers in an adhesive mode through glue, the number of the cross-shaped reinforcing paperboards is four, and the number of the plastic reinforcing frame is four. The four cross-shaped reinforcing paperboards are arranged at the four top corners of the corrugated paper base layer, and the main reinforcing paperboard is arranged on the inner side of the plastic reinforcing frame. The utility model has high overall strength and is not easy to break.

Description

Technical Field

[0001] The utility model relates to the technical field of paperboards, in particular to a high-strength paperboard that is resistant to breakage. Background Art

[0002] Cardboard, also known as paperboard, is a thick sheet of paper made from various pulps, with fibers interwoven into each other. Currently, most cardboard is made solely of corrugated paper, which has a relatively simple structure, low overall load-bearing strength, and is prone to breaking. Therefore, in response to this situation, there is an urgent need to develop a high-strength cardboard with high overall strength and resistance to breakage to overcome current practical application deficiencies and meet current needs. Utility Model Content

[0003] The purpose of the present invention is to provide a high-strength cardboard that is resistant to breakage, so as to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A high-strength cardboard that is resistant to breakage, comprising a corrugated paper base, an edge-sealed cardboard, a cross-reinforced cardboard, a plastic reinforcement frame, and a main reinforcement cardboard. The number of the corrugated paper base layers is two, and a layer of reinforcing film is adhered and fixed to the outer side of each of the corrugated paper base layers. The four side edges of the two corrugated paper base layers are adhered and fixed to the edge-sealed cardboard. A cross-reinforced cardboard, a plastic reinforcement frame, and a main reinforcement cardboard are arranged between the two corrugated paper base layers. The cross-reinforced cardboard, the plastic reinforcement frame, and the main reinforcement cardboard are all adhered and fixed to the corrugated paper base layer by glue. The number of the cross-reinforced cardboard layers is four, and the four cross-reinforced cardboard layers are arranged at the four top corners of the corrugated paper base layer. The main reinforcement cardboard is arranged on the inner side of the plastic reinforcement frame.

[0006] Preferably, the thickness of the corrugated paper base layer is 5 mm.

[0007] Preferably, the reinforcement film is made of polyester film.

[0008] Preferably, the plastic reinforcement frame is square in shape and is made of nylon.

[0009] The beneficial effects of the present invention are as follows: the high-strength cardboard that resists breakage has a cross-reinforced cardboard, a plastic reinforcing frame, and a main reinforcing cardboard bonded and fixed between two layers of corrugated paper base. The cross-reinforced cardboard strengthens the top corners of the corrugated paper base, the plastic reinforcing frame and the main reinforcing cardboard increase the main strength of the corrugated paper base, the reinforcing film strengthens the outer surface strength of the corrugated paper base, and the edge-sealing cardboard strengthens the edge strength of the two layers of corrugated paper base, thereby increasing the overall strength and making it less prone to breakage. In summary, the present invention has high overall strength and is less prone to breakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0011] Figure 2 This is an exploded view of the present invention.

[0012] Figure 3 It is a partial structural diagram of the utility model.

[0013] Legend:

[0014] 1. Corrugated paper base; 101. Reinforcement film; 2. Edge-sealed cardboard; 3. Cross-reinforced cardboard; 4. Plastic reinforcement frame; 5. Main reinforcement cardboard. DETAILED DESCRIPTION

[0015] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0016] Specific examples are given below.

[0017] See also Figures 1 to 3 In an embodiment of the present invention, a high-strength cardboard that prevents breakage includes a corrugated paper base 1, an edge-sealing cardboard 2, a cross-reinforced cardboard 3, a plastic reinforcement frame 4, and a main reinforcement cardboard 5. The number of the corrugated paper bases 1 is two, and the thickness of the corrugated paper base 1 is 5 mm. A layer of reinforcing film 101 is adhered and fixed to the outside of each of the corrugated paper bases 1. The reinforcing film 101 is made of polyester film, so that the outer surface of the corrugated paper base 1 has good waterproof performance and increases the strength of the outer surface of the corrugated paper base 1. The four side edges of the two corrugated paper bases 1 are adhered and fixed with edge-sealing cardboards 2. The edge-sealing cardboards 2 are arranged to strengthen the strength of the edge of the corrugated paper base 1. The two corrugated paper bases A cross-reinforced cardboard 3, a plastic reinforcement frame 4 and a main reinforcement cardboard 5 are arranged between the layers 1. The cross-reinforced cardboard 3, the plastic reinforcement frame 4 and the main reinforcement cardboard 5 are all adhered and fixed to the corrugated paper base 1 by glue. There are four cross-reinforced cardboards 3, and the four cross-reinforced cardboards 3 are arranged at the four top corners of the corrugated paper base 1. The plastic reinforcement frame 4 is square in shape. The plastic reinforcement frame 4 is made of nylon, so that the plastic reinforcement frame 4 has good strength. The main reinforcement cardboard 5 is arranged on the inner side of the plastic reinforcement frame 4. The strength of the top corners of the corrugated paper base 1 is strengthened by the cross-reinforced cardboard 3, and the main strength of the corrugated paper base 1 is increased by the plastic reinforcement frame 4 and the main reinforcement cardboard 5.

[0018] Working principle: The high-strength cardboard that prevents breakage has two layers of corrugated paper base 1 bonded and fixed with a cross-reinforced cardboard 3, a plastic reinforcement frame 4 and a main reinforcement cardboard 5. The cross-reinforced cardboard 3 is used to strengthen the strength of the top corners of the corrugated paper base 1, the plastic reinforcement frame 4 and the main reinforcement cardboard 5 are used to increase the main strength of the corrugated paper base 1, the reinforcement film 101 is used to strengthen the outer surface strength of the corrugated paper base 1, and the edge sealing cardboard 2 is used to strengthen the edge strength of the two layers of corrugated paper base 1, thereby making the overall strength higher and less prone to breakage.

[0019] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-strength cardboard that is resistant to breakage, characterized in that: The invention comprises a corrugated paper base (1), an edge-sealing paperboard (2), a cross-reinforced paperboard (3), a plastic reinforcement frame (4) and a main reinforcement paperboard (5), wherein the number of the corrugated paper bases (1) is two, the outer side of each corrugated paper base (1) is adhered and fixed with a layer of reinforcement film (101), the four side edges of the two corrugated paper bases (1) are adhered and fixed with the edge-sealing paperboard (2), a cross-reinforced paperboard (3), a plastic reinforcement frame (4) and a main reinforcement paperboard (5) are arranged between the two corrugated paper bases (1), the cross-reinforced paperboard (3), the plastic reinforcement frame (4) and the main reinforcement paperboard (5) are all adhered and fixed to the corrugated paper base (1) by glue, the number of the cross-reinforced paperboard (3) is four, the four cross-reinforced paperboards (3) are arranged at the four top corners of the corrugated paper base (1), and the main reinforcement paperboard (5) is arranged on the inner side of the plastic reinforcement frame (4).

2. The anti-fracture high-strength paperboard according to claim 1, characterized in that: The thickness of the corrugated paper base layer (1) is 5 mm.

3. The anti-fracture high-strength paperboard according to claim 1, characterized in that: The reinforcing membrane (101) is made of polyester film.

4. The anti-fracture high-strength paperboard according to claim 1, characterized in that: The plastic reinforcement frame (4) is in a square shape and is made of nylon.

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