A honeycomb sandwich five-layer corrugated paperboard

Abstract

The utility model provides a kind of honeycomb sandwich five-layer corrugated paperboard, it is related to corrugated paperboard technical field.The honeycomb sandwich five-layer corrugated paperboard, including first face paper, second face paper and third face paper, second face paper is set between first face paper and third face paper, and corrugated board with wave shape structure is adhered between first face paper and second face paper by glue.The honeycomb sandwich five-layer corrugated paperboard, by setting a corrugated board and a honeycomb layer between three face papers, form the double buffering structure of the combination of corrugation and honeycomb, utilize honeycomb layer to be able to efficiently convert vertical pressure into paper tensile stress, realize far more than the plane pressure capacity of traditional corrugation, simultaneously utilize honeycomb layer to provide stable support in each direction, make paperboard have excellent bending resistance, twist resistance and impact resistance, and by setting reinforcing component, honeycomb layer and corrugated board are reinforced and connected, can further improve the structural strength of corrugated paperboard, it is beneficial to practical application.

Description

Technical Field

[0001] This utility model relates to the field of corrugated cardboard technology, specifically to a honeycomb sandwich five-layer corrugated cardboard. Background Technology

[0002] Corrugated cardboard is a multi-layered bonded structure, consisting of at least one layer of corrugated core paper and one layer of cardboard. It possesses high mechanical strength, capable of withstanding impacts and drops during handling. The actual performance of corrugated cardboard depends on three factors: the characteristics of the core paper and the cardboard, and the structure of the carton itself. Five-layer corrugated cardboard, composed of a linerboard, inner linerboard, core paper, and two corrugated core papers bonded together, offers high compressive strength and cushioning performance, and is often used for packaging heavier or fragile items.

[0003] Traditional five-layer corrugated cardboard provides compression and cushioning performance by forming arched supports in the vertical direction. However, when the corrugated arched structure is subjected to uniform pressure over the entire area, the stress point is concentrated at the crest, resulting in insufficient planar compressive strength. At the same time, when facing impacts from all directions, the lateral support of the corrugated structure is weak, making it prone to permanent deformation, which is not conducive to practical applications.

[0004] Therefore, those skilled in the art provide a five-layer corrugated cardboard with a honeycomb sandwich structure to solve the problems mentioned in the background art. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a honeycomb sandwich five-layer corrugated cardboard, which solves the problem mentioned in the background art that when the arched structure of the corrugation is subjected to uniform pressure over the entire area, the stress point is concentrated at the crest, resulting in insufficient planar compressive strength. At the same time, when facing impacts from all directions, the lateral support of the corrugated structure is weak, making it prone to permanent deformation.

[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: a honeycomb sandwich five-layer corrugated cardboard, comprising a first face paper, a second face paper, and a third face paper, wherein the second face paper is disposed between the first face paper and the third face paper, a corrugated board with a wavy structure is bonded between the first face paper and the second face paper by adhesive, and a honeycomb layer is bonded between the second face paper and the third face paper by adhesive, wherein regular hexagonal through holes are equally spaced inside the honeycomb layer to form a continuous honeycomb structure, and a reinforcing component is disposed between the corrugated board and the honeycomb layer.

[0007] The above technical solution involves placing a corrugated board and a honeycomb layer between the three layers of paper, forming a double-buffered structure combining corrugation and honeycomb. The honeycomb layer efficiently converts vertical pressure into tensile stress in the paper, achieving a planar pressure-bearing capacity far exceeding that of traditional corrugations. Simultaneously, the honeycomb layer provides stable support in all directions, giving the cardboard excellent bending, torsion, and impact resistance. Furthermore, by setting reinforcing components to strengthen and connect the honeycomb layer and the corrugated board, the structural strength of the corrugated cardboard can be further improved, which is beneficial for practical applications.

[0008] Preferably, the reinforcing component includes a connecting plate, a bonding plate, a vertical plate, and a horizontal plate. The connecting plate is glued equidistantly to the bottom of the first face paper, the bonding plate is glued equidistantly to the top of the honeycomb layer, the vertical plate is glued between the connecting plate and the bonding plate, the vertical plate penetrates the second face paper, the horizontal plate is glued equidistantly between two adjacent vertical plates, and the horizontal plate penetrates the corrugated board.

[0009] By using the above technical solutions and reinforcing components to strengthen and connect the honeycomb layer and the corrugated board, the structural strength of the corrugated cardboard can be further improved, which is beneficial for practical applications.

[0010] Preferably, the first, second, and third sheets are all made of kraft paper.

[0011] The above technical solutions facilitate the increase of the wear resistance of corrugated cardboard.

[0012] Preferably, the outer side of the second face paper is provided with through slots at equal intervals to cooperate with the vertical plates, and the vertical plates all pass through the corresponding through slots.

[0013] The above technical solution utilizes the through-slot to allow the vertical plate to penetrate the second paper, thereby further connecting the second paper, the first paper, and the honeycomb layer, thus improving the connection stability.

[0014] Preferably, vertical grooves that cooperate with vertical plates are provided at the troughs of the corrugated plate, and the vertical plates pass through the corresponding vertical grooves. Horizontal grooves that cooperate with horizontal plates are provided at equal intervals in the middle of the corrugated plate, and the horizontal plates pass through the corresponding horizontal grooves.

[0015] The above technical solution utilizes vertical grooves to allow vertical plates to penetrate the corrugated sheet, thereby increasing the connection stability between the corrugated sheet and the vertical plates. Simultaneously, horizontal grooves allow horizontal plates to penetrate the corrugated sheet, further increasing the connection stability between the corrugated sheet and the vertical plates.

[0016] Preferably, a reinforcing plate is glued between the bottom of the horizontal plate and the top of the second paper.

[0017] The above technical solution utilizes a reinforcing plate to connect the horizontal plate to the second sheet, thereby increasing the stability of the horizontal plate and ultimately improving the structural strength of the corrugated cardboard.

[0018] This utility model provides a honeycomb sandwich five-layer corrugated cardboard, which has the following beneficial effects: This honeycomb sandwich five-layer corrugated cardboard forms a double-buffered structure combining corrugation and honeycomb by setting a corrugated board and a honeycomb layer between three layers of paper. The honeycomb layer can efficiently convert vertical pressure into tensile stress in the paper, achieving a planar pressure bearing capacity far exceeding that of traditional corrugations. At the same time, the honeycomb layer provides stable support in all directions, giving the cardboard excellent bending, torsion, and impact resistance. Furthermore, by setting reinforcing components to strengthen and connect the honeycomb layer and the corrugated board, the structural strength of the corrugated cardboard can be further improved, which is beneficial for practical applications. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0020] Figure 2 This is a schematic diagram of the disassembled structure of this utility model.

[0021] Figure 3 This is a schematic diagram of the corrugated board, honeycomb layer, second face paper, and reinforcing component structure of this utility model.

[0022] Figure 4 This is a schematic diagram of the structure of the second paper side of this utility model.

[0023] Figure 5 This is a schematic diagram of the corrugated board structure of this utility model.

[0024] In the diagram: 1. First face paper; 2. Second face paper; 3. Third face paper; 4. Corrugated board; 5. Honeycomb layer; 6. Connecting plate; 7. Laminating plate; 8. Vertical plate; 9. Horizontal plate; 10. Through groove; 11. Vertical groove; 12. Horizontal groove; 13. Reinforcing plate. Detailed Implementation

[0025] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0026] Reference Figure 1 and Figure 2 This utility model provides a honeycomb sandwich five-layer corrugated cardboard, including a first face paper 1, a second face paper 2, and a third face paper 3. The second face paper 2 is disposed between the first face paper 1 and the third face paper 3. The first face paper 1, the second face paper 2, and the third face paper 3 are all made of kraft paper, which helps to increase the wear resistance of the corrugated cardboard.

[0027] Reference Figure 2 In one aspect of this embodiment, a corrugated board 4 with a corrugated structure is bonded between the first face paper 1 and the second face paper 2 with adhesive. A honeycomb layer 5 is bonded between the second face paper 2 and the third face paper 3 with adhesive, forming a double-buffered structure combining corrugation and honeycomb using the corrugated board 4 and the honeycomb layer 5. The honeycomb layer 5 has equidistant hexagonal through-holes inside, forming a continuous honeycomb structure. The first face paper 1, second face paper 2, third face paper 3, corrugated board 4, and honeycomb layer 5 together constitute a five-layer corrugated cardboard structure. The honeycomb layer 5 efficiently converts vertical pressure into tensile stress in the paper, achieving a planar pressure resistance far exceeding that of traditional corrugated boards. Furthermore, the honeycomb layer 5 provides stable support in all directions, giving the cardboard excellent resistance to bending, torsion, and impact.

[0028] Reference Figure 2 , Figure 3 and Figure 4 In one aspect of this embodiment, a reinforcing component is provided between the corrugated board 4 and the honeycomb layer 5. The reinforcing component includes a connecting plate 6, an adhesive plate 7, a vertical plate 8, and a horizontal plate 9. The connecting plate 6 is glued to the bottom of the first face paper 1 at equal intervals, the adhesive plate 7 is glued to the top of the honeycomb layer 5 at equal intervals, and the vertical plate 8 is glued between the connecting plate 6 and the adhesive plate 7. The connecting plate 6 increases the connection stability between the vertical plate 8 and the first face paper 1, and the adhesive plate 7 increases the connection stability between the vertical plate 8 and the honeycomb layer 5. The vertical plate 8 penetrates the second face paper 2, and the outer side of the second face paper 2 is provided with through slots 10 at equal intervals to cooperate with the vertical plate 8. The vertical plate 8 penetrates the corresponding through slots 10. The through slots 10 allow the vertical plate 8 to penetrate the second face paper 2, thereby further connecting the second face paper 2, the first face paper 1, and the honeycomb layer 5, and thus improving the connection stability. By setting up reinforcing components to strengthen and connect the honeycomb layer 5 to the corrugated board 4, the structural strength of the corrugated cardboard can be further improved, which is beneficial for practical applications.

[0029] Reference Figure 2 , Figure 3 and Figure 5In one aspect of this embodiment, the horizontal plate 9 is glued equidistantly between two adjacent vertical plates 8, and the horizontal plate 9 penetrates the corrugated board 4. Vertical grooves 11, which cooperate with the vertical plates 8, are provided at the troughs of the corrugated board 4. Each vertical plate 8 passes through a corresponding vertical groove 11, allowing the vertical plates 8 to penetrate the corrugated board 4, thereby increasing the connection stability between the corrugated board 4 and the vertical plates 8. Horizontal grooves 12, which cooperate with the horizontal plates 9, are provided equidistantly in the middle of the corrugated board 4. Each horizontal plate 9 passes through a corresponding horizontal groove 12, allowing the horizontal plates 9 to penetrate the corrugated board 4, further increasing the connection stability between the corrugated board 4 and the vertical plates 8. Reinforcing plates 13 are glued between the bottom of the horizontal plate 9 and the top of the second face paper 2. The reinforcing plates 13 connect the horizontal plate 9 and the second face paper 2, thereby increasing the stability of the horizontal plate 9 and ultimately improving the structural strength of the corrugated board.

[0030] Working principle: In use, the first face paper 1, the second face paper 2, the third face paper 3, the corrugated board 4 and the honeycomb layer 5 together form a five-layer corrugated cardboard structure. At the same time, the honeycomb layer 5 can efficiently convert vertical pressure into tensile stress of the paper, achieving a planar pressure bearing capacity far exceeding that of traditional corrugated board. Furthermore, the honeycomb layer 5 provides stable support in all directions, giving the cardboard excellent bending resistance, torsion resistance and impact resistance.

[0031] Furthermore, by setting up reinforcing components, utilizing the connecting plate 6, vertical plate 8, bonding plate 7, horizontal plate 9, and reinforcing plate 13, the corrugated board 4 and the second face paper 2 can be penetrated, thereby connecting the first face paper 1, corrugated board 4, second face paper 2, and honeycomb layer 5 through and through, thus reinforcing and connecting the honeycomb layer 5 and corrugated board 4, which can further improve the structural strength of corrugated cardboard and is beneficial for practical applications.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A honeycomb sandwich five-layer corrugated cardboard, comprising a first face paper (1), a second face paper (2), and a third face paper (3), wherein the second face paper (2) is disposed between the first face paper (1) and the third face paper (3), characterized in that, A corrugated board (4) with a wavy structure is glued between the first face paper (1) and the second face paper (2). A honeycomb layer (5) is glued between the second face paper (2) and the third face paper (3). The honeycomb layer (5) has hexagonal through holes equidistantly arranged inside to form a continuous honeycomb structure. A reinforcing component is provided between the corrugated board (4) and the honeycomb layer (5).

2. The honeycomb sandwich five-layer corrugated cardboard according to claim 1, characterized in that: The reinforcing component includes a connecting plate (6), a bonding plate (7), a vertical plate (8), and a horizontal plate (9). The connecting plate (6) is glued to the bottom of the first face paper (1) at equal intervals. The bonding plate (7) is glued to the top of the honeycomb layer (5) at equal intervals. The vertical plate (8) is glued between the connecting plate (6) and the bonding plate (7). The vertical plate (8) penetrates the second face paper (2). The horizontal plate (9) is glued between two adjacent vertical plates (8) at equal intervals. The horizontal plate (9) penetrates the corrugated board (4).

3. The honeycomb sandwich five-layer corrugated cardboard according to claim 1, characterized in that: The first sheet (1), the second sheet (2) and the third sheet (3) are all made of kraft paper.

4. The honeycomb sandwich five-layer corrugated cardboard according to claim 2, characterized in that: The outer side of the second paper (2) is provided with through slots (10) that cooperate with the vertical plate (8), and the vertical plate (8) passes through the corresponding through slots (10).

5. The honeycomb sandwich five-layer corrugated cardboard according to claim 2, characterized in that: Vertical grooves (11) that cooperate with vertical plates (8) are provided at the troughs of the corrugated plate (4), and the vertical plates (8) are all connected through the corresponding vertical grooves (11). Horizontal grooves (12) that cooperate with horizontal plates (9) are provided at equal intervals in the middle of the corrugated plate (4), and the horizontal plates (9) are all connected through the corresponding horizontal grooves (12).

6. The honeycomb sandwich five-layer corrugated cardboard according to claim 2, characterized in that: A reinforcing plate (13) is glued between the bottom of the horizontal plate (9) and the top of the second paper (2).

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