High-density paperboard

Abstract

The utility model discloses a high density cardboard, including cardboard main part, paper layer, strengthening mechanism and protection mechanism, strengthening mechanism is used for strengthening cardboard main part, protection mechanism is used for protecting cardboard main part. The capacity of the paperboard body for coping with collision is improved through the glass fiber board, the two corrugated boards are arranged in a staggered mode, the contact area is increased, the bearing capacity of external acting force is improved, the supporting performance and strength of the interior of the paperboard body are improved, the toughness of the paperboard body is improved through the metal net layer and the kraft paper layer which are arranged inside, and the service life of the paperboard body is prolonged. When the paperboard main body is burnt by flame, the plastic tubes are broken, and the flame-retardant powder in the inner cavity of the paperboard main body plays a flame-retardant role, so that the strength of the inner wall of the paperboard main body is improved, the stability of the internal structure of the paperboard main body is ensured, and the damage to the paperboard main body is reduced; the service life of the paperboard main body is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of paperboard, in particular to a high-density paperboard. Background Art

[0002] As a common packaging material, cardboard plays an important role in our daily life. Cardboard is made of pulp, which is composed of cellulose fibers. Cellulose is the main component of plant cell walls and can be extracted from a variety of plant materials. Common sources of pulp include wood, waste paper and bamboo.

[0003] Cardboard is usually used to package products. The products are placed inside a box made of cardboard to protect them. However, during the transportation of the products, the cardboard is prone to collision with the outside. The impact force acts on the cardboard, which can easily cause the cardboard to be damaged or even broken, affecting the recycling of the cardboard and reducing its service life. Utility Model Content

[0004] The purpose of the utility model is to provide a high-density paperboard to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-density paperboard, comprising a paperboard main body;

[0006] Paper layers, the paper layers are respectively arranged on the top and bottom of the paperboard body;

[0007] It also includes a reinforcing mechanism, which is arranged inside the paperboard body and is used to form a reinforcing structure on the inner wall of the paperboard body and strengthen the paperboard body;

[0008] The protective mechanism is arranged on the paperboard main body, and is used to form a barrier structure on the paperboard main body and protect the paperboard main body.

[0009] Preferably, the reinforcing mechanism comprises:

[0010] A glass fiber board, the glass fiber board is arranged inside the paper layer, and the glass fiber board is arranged between the paper layers;

[0011] The corrugated board is arranged between glass fiber boards, and the corrugated board is arranged in a wave shape.

[0012] Preferably, the reinforcing mechanism further comprises:

[0013] A metal mesh layer, the metal mesh layer is arranged between the corrugated boards, and the metal mesh layer is in contact with the outer wall of the corrugated boards;

[0014] A kraft paper layer, wherein the kraft paper layer is arranged on the inner side of the paper layer;

[0015] The cellulose paper layer is arranged on the outside of the paper layer, and the outer wall of the cellulose paper layer and the kraft paper layer are fixedly connected.

[0016] Preferably, the protection mechanism comprises:

[0017] Plastic tubes, the plastic tubes are arranged in a straight line in the inner cavity of the corrugated board, and the outer wall of the plastic tubes is adhered to the inner wall of the corrugated board;

[0018] Flame retardant powder, the flame retardant powder is arranged in the inner cavity of the plastic tube, and the flame retardant powder is made of melamine phosphate material.

[0019] Preferably, the protection mechanism further comprises:

[0020] A mica fiber layer, wherein the mica fiber layer is disposed on the inner wall of the paper layer and the mica fiber layer is in contact with the outer wall of the glass fiber board;

[0021] A waterproof coating is arranged on the outer side wall of the paper layer, and the waterproof coating is made of polyurethane material.

[0022] Preferably, the cellulose paper layer and the kraft paper layer are fixed by heat-pressing bonding, the corrugated board and the metal mesh layer are adhered to each other, and the corrugated boards are arranged in a staggered manner.

[0023] Technical effects and advantages of the utility model:

[0024] The utility model utilizes a setting mode in which a glass fiber board, a corrugated board, a metal mesh layer, a kraft paper layer, a plastic tube and a flame retardant powder are matched. The glass fiber board is arranged between two paper layers, and the strength of the glass fiber board is utilized to improve the ability of the paperboard body to cope with collisions. The two corrugated boards are staggered to increase the contact area, increase the ability to withstand external forces, and improve the support and strength of the inside of the paperboard body. The metal mesh layer and the kraft paper layer arranged inside are utilized to improve the toughness of the paperboard body, strengthen the paperboard body, and prevent the paperboard from breaking. When the paperboard body is burned by flames, the plastic tube is broken, and the flame retardant powder in the inner cavity leaks, which plays a flame retardant role, improves the strength of the inner wall of the paperboard body, ensures the stability of the internal structure of the paperboard body, reduces the damage to the paperboard body, and improves the service life of the paperboard body. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0026] Figure 2 It is a schematic diagram of the side sectional structure of the corrugated board of the utility model.

[0027] Figure 3 For this utility model Figure 2 A is an enlarged structural diagram of FIG.

[0028] In the figure: 1. cardboard body; 2. paper layer; 3. reinforcing mechanism; 31. glass fiber board; 32. corrugated board; 33. metal mesh layer; 34. kraft paper layer; 35. cellulose paper layer; 4. protective mechanism; 41. plastic tube; 42. flame retardant powder; 43. mica fiber layer; 44. waterproof coating. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] The utility model provides Figure 1-3 A high-density paperboard shown includes a paperboard body 1, a paper layer 2, a reinforcing mechanism 3 and a protective mechanism 4, wherein the paper layers 2 are respectively arranged at the top and bottom of the paperboard body 1, and the two paper layers 2 are arranged on the outside of the paperboard body 1. The reinforcing mechanism 3 is arranged inside the paperboard body 1, and the reinforcing mechanism 3 is used to form a reinforcement structure on the inner wall of the paperboard body 1 and strengthen the paperboard body 1. The strength of the paperboard body 1 is improved by the reinforcing mechanism 3, the stability of the internal structure of the paperboard body 1 is ensured, and the damage to the paperboard body 1 is reduced. The protective mechanism 4 is arranged on the paperboard body 1, and the protective mechanism 4 is used to form a barrier structure on the paperboard body 1 and protect the paperboard body 1. The paperboard body 1 is protected by the protective mechanism 4, and the service life of the paperboard body 1 is improved.

[0031] Furthermore, the reinforcing mechanism 3 includes a glass fiber board 31, a corrugated board 32, a metal mesh layer 33, a kraft paper layer 34 and a cellulose paper layer 35. The glass fiber board 31 is arranged at the inner side of the paper layer 2, and the glass fiber board 31 is arranged between the paper layers 2. The strength of the glass fiber board 31 is used to improve the ability of the paperboard body 1 to cope with collisions. The corrugated boards 32 are arranged between the glass fiber boards 31. The corrugated boards 32 are arranged in a wavy shape. The corrugated boards 32 are made of cellulose material. The two corrugated boards 32 are arranged in a canine-like staggered manner. The two staggered corrugated boards 32 are used to increase the contact area and improve the support and strength of the inside of the paperboard body 1. The metal mesh layer 33 is arranged between the corrugated boards 32. The metal mesh layer 33 is in contact with the outer wall of the corrugated board 32. The metal mesh layer 33 is arranged between the two corrugated boards 32. The two corrugated boards 32 squeeze the metal mesh layer 33. 3, the strength and toughness of the cardboard body 1 are strengthened to prevent the cardboard from breaking. The kraft paper layer 34 is arranged on the inner side of the paper layer 2, and the cellulose paper layer 35 is arranged on the outer side of the paper layer 2. The outer wall of the cellulose paper layer 35 and the kraft paper layer 34 is fixedly connected. The paper layer 2 is composed of the cellulose paper layer 35 and the kraft paper layer 34. The good toughness of the kraft paper layer 34 is used to ensure the strength of the inside of the cardboard body 1. By arranging a glass fiber board 31 between the two paper layers 2, the strength of the glass fiber board 31 is used to improve the ability of the cardboard body 1 to cope with collisions, and the two corrugated boards 32 are staggered to increase the contact area, increase the ability to withstand external forces, improve the support and strength of the inside of the cardboard body 1, and use the metal mesh layer 33 and the kraft paper layer 34 arranged inside to improve the toughness of the cardboard body 1, strengthen the cardboard body 1, and prevent the cardboard from breaking.

[0032] Furthermore, the protective mechanism 4 includes a plastic tube 41, a flame retardant powder 42, a mica fiber layer 43 and a waterproof coating 44. The plastic tube 41 is arranged in a straight line in the inner cavity of the corrugated board 32. The outer wall of the plastic tube 41 is adhered to the inner wall of the corrugated board 32. The two ends of the plastic tube 41 are closed and fixed in the inner cavity of the corrugated board 32 for storing the flame retardant powder 42. The flame retardant powder 42 is arranged in the inner cavity of the plastic tube 41. The flame retardant powder 42 is made of melamine phosphate material. When the paperboard body 1 is burned by flames, the plastic tube 41 is ruptured, and the flame retardant powder 42 in the inner cavity leaks, which plays a flame retardant role. The mica fiber layer 43 is used to store the flame retardant powder 42. The fiber layer 43 is arranged on the inner wall of the paper layer 2, the mica fiber layer 43 is in contact with the outer wall of the glass fiber board 31, and the fireproof characteristics of the mica fiber layer 43 are utilized to improve the fireproof performance of the paperboard body 1. The waterproof coating 44 is arranged on the outer wall of the paper layer 2, and the waterproof coating 44 is made of polyurethane material. By evenly coating the waterproof coating 44 on the outer wall of the paper layer 2, the waterproof ability of the paperboard body 1 is improved, and the damage to the paperboard body 1 is reduced. The cellulose paper layer 35 and the kraft paper layer 34 are fixed by hot pressing and bonding. The corrugated board 32 and the metal mesh layer 33 are adhered to each other, and the corrugated boards 32 are arranged in an alternating manner.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A high-density paperboard, comprising: Cardboard body (1); A paper layer (2), wherein the paper layer (2) is respectively arranged on the top and bottom of the paperboard body (1); The invention is characterized in that it further comprises a reinforcing mechanism (3), wherein the reinforcing mechanism (3) is arranged inside the paperboard body (1), and the reinforcing mechanism (3) is used to form a reinforcing structure on the inner wall of the paperboard body (1) and to strengthen the paperboard body (1); A protective mechanism (4), the protective mechanism (4) being arranged on the paperboard main body (1), the protective mechanism (4) being used to form a barrier structure on the paperboard main body (1) and to protect the paperboard main body (1); The reinforcing mechanism (3) comprises a glass fiber board (31), wherein the glass fiber board (31) is arranged at an inner side of the paper layer (2), and the glass fiber board (31) is arranged between the paper layers (2); A corrugated board (32), wherein the corrugated board (32) is arranged between the glass fiber boards (31), and the corrugated board (32) is arranged in a wave shape; The protection mechanism (4) comprises a plastic tube (41), the plastic tube (41) is arranged in a straight line in the inner cavity of the corrugated board (32), and the outer wall of the plastic tube (41) is adhered to the inner wall of the corrugated board (32); A flame retardant powder (42), wherein the flame retardant powder (42) is disposed in the inner cavity of the plastic tube (41), and the flame retardant powder (42) is made of melamine phosphate material.

2. A high-density paperboard according to claim 1, characterized in that: The reinforcing mechanism (3) further comprises: A metal mesh layer (33), wherein the metal mesh layer (33) is disposed between the corrugated boards (32), and the metal mesh layer (33) is in contact with the outer wall of the corrugated boards (32); A kraft paper layer (34), wherein the kraft paper layer (34) is arranged on the inner side of the paper layer (2); A cellulose paper layer (35), wherein the cellulose paper layer (35) is arranged on the outside of the paper layer (2), and the outer wall of the cellulose paper layer (35) and the kraft paper layer (34) are fixedly connected.

3. A high-density paperboard according to claim 2, characterized in that: The protection mechanism (4) further comprises: A mica fiber layer (43), wherein the mica fiber layer (43) is disposed on the inner wall of the paper layer (2), and the mica fiber layer (43) is in contact with the outer wall of the glass fiber board (31); A waterproof coating (44), wherein the waterproof coating (44) is arranged on the outer side wall of the paper layer (2), and the waterproof coating (44) is made of a polyurethane material.

4. The high-density paperboard according to claim 3, characterized in that: The cellulose paper layer (35) and the kraft paper layer (34) are fixed by means of heat-pressing bonding, the corrugated board (32) and the metal mesh layer (33) are bonded to each other, and the corrugated boards (32) are arranged in a staggered manner.

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