CN222935771U

CN222935771U - Pressure-resistant composite corrugated cardboard

Info

Publication number: CN222935771U
Application number: CN202421848669.1U
Authority: CN
Inventors: 姚宏亮
Original assignee: Zhejiang Anji Tianhong Paper Co ltd
Current assignee: Zhejiang Anji Tianhong Paper Co ltd
Priority date: 2024-08-01
Filing date: 2024-08-01
Publication date: 2025-06-03
Anticipated expiration: 2034-08-01

Abstract

The utility model discloses a pressure-resistant composite corrugated board which comprises inner side paper, wherein paper cores I which are uniformly distributed are adhered to the upper surface of the inner side paper, the paper cores I are perpendicular to the upper surface of the inner side paper, face paper II is adhered between the upper ends of the paper cores I, face paper III is adhered to the upper surface of the face paper II, the paper cores II are adhered to the upper surface of the face paper III, an outer side paper is adhered to the upper end of the paper cores II, a coating layer is arranged between the upper end of the paper cores II and the lower surface of the outer side paper, the paper cores III are uniformly adhered to the upper surface of the inner side paper, the paper cores III are perpendicular to the horizontal direction of the paper cores I, and the left side and the right side of the paper cores I and the upper and the lower side of the paper cores III are adhered with the face paper I.

Description

Pressure-resistant composite corrugated board

Technical Field

The utility model relates to the technical field of corrugated board processing, in particular to a pressure-resistant composite corrugated board.

Background

The composite corrugated board is a novel material which is emerging after the honeycomb board is pushed out by American europe, saves resources, protects ecological environment and has relatively low cost, and the finished product has light weight, high strength, no deformation, good rigidity, strong buffering performance and good sound and heat insulation effects, and the recycled waste paper and old corrugated paper boxes are used as production raw materials, so the raw material sources are wide and sufficient, the finished product can be recycled and reproduced after being used, meets the environmental protection requirement of resource recycling, and has extremely wide application prospect.

In the aspect of packaging, the composite corrugated board can be made into various precision instruments, electromechanical equipment, household appliances, packing boxes of ceramic products, gaskets and the like, and also can be made into trays, buffer gaskets and aviation turnover boxes of various specifications, and the composite corrugated board adopts multilayer corrugated board adhesion for improving the compressive strength, and the thickness is also greatly improved although the compressive strength is improved.

Disclosure of utility model

The utility model aims to overcome the existing defects, provide the pressure-resistant composite corrugated board, the paper core of the inner corrugated board is vertical to the horizontal plane, the pressure-resistant strength is improved, the thickness of the composite corrugated board is reduced, and the problems in the background technology can be effectively solved.

In order to achieve the aim, the utility model provides the technical scheme that the pressure-resistant composite corrugated board comprises inner side paper;

The upper surface of the inner side paper is adhered with uniformly distributed paper cores I, the paper cores I are vertical to the upper surface of the inner side paper, the upper ends of the paper cores I are adhered with surface paper II, the upper surface of the surface paper II is adhered with surface paper III, the upper surface of the surface paper III is adhered with the paper cores II, the upper end of the paper cores II is adhered with outer side paper, and the paper cores of the inner corrugated board are vertical to the horizontal plane, so that the compression strength is improved, and the thickness of the composite corrugated board is reduced.

Further, a coating layer is arranged between the upper end of the second paper core and the lower surface of the outer side paper, and the upper end of the second paper core is adhered to the outer side paper.

Further, the paper core three is uniformly adhered to the upper surface of the inner side paper, the paper core three is perpendicular to the first horizontal direction of the paper core, and the paper core three is convenient to align during processing.

Furthermore, the left side and the right side of the paper core I and the upper side and the lower side of the paper core III are adhered with the surface paper I, so that the paper core I and the paper core III can not deform when being adhered.

Further, the second paper core is an E-corrugated paper core, so that the outer surface of the composite corrugated board is smooth.

Furthermore, the coating layer is a waterproof glue layer, so that the first paper core inside the composite corrugated board can be prevented from being wetted.

Furthermore, the outer side surface paper is kraft paper surface paper, so that water inflow inside is avoided.

Compared with the prior art, the pressure-resistant composite corrugated board has the beneficial effects that the pressure-resistant composite corrugated board has the following advantages:

when the composite corrugated board is used, the section moment of inertia of the beam of the paper core I which is vertically adhered is larger than that of the beam which is horizontally placed, the section of the beam can bear larger force when the composite corrugated board is vertically placed, and the compression strength of the composite corrugated board can be greatly improved by matching the paper core I with the paper core II.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic view of a partial structure of the present utility model in section.

In the figure, 1 inner side paper, 2 paper cores I, 3 paper cores I, 4 paper cores II, 5 paper cores III, 6 paper cores II, 7 paint layers, 8 outer side paper and 9 paper cores III.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the embodiment provides a technical scheme that the pressure-resistant composite corrugated board comprises inner side paper 1;

The upper surface of the inner side paper 1 is adhered with uniformly distributed paper cores I2, the paper cores I2 are perpendicular to the upper surface of the inner side paper 1, a face paper II 4 is adhered between the upper ends of the paper cores I2, a face paper III 5 is adhered to the upper surface of the face paper II 4, a paper core II 6 is adhered to the upper surface of the face paper III 5, the paper core II 6 is an E-corrugated paper core, the upper end of the paper core II 6 is adhered with an outer side paper 8, the outer side paper 8 is kraft paper, a coating layer 7 is arranged between the upper end of the paper core II 6 and the lower surface of the outer side paper 8, the coating layer 7 is a waterproof glue layer of polyurethane, the paper core of the inner side corrugated board is perpendicular to the horizontal plane, and the thickness of the composite corrugated board is reduced while the compressive strength is improved.

The paper core three 9 is uniformly adhered to the upper surface of the inner side paper 1, the paper core three 9 is perpendicular to the paper core one 2 in the horizontal direction, the paper core one 2 is convenient to align during processing, and the facial tissues one 3 are adhered to the left side and the right side of the paper core one 2 and the upper side and the lower side of the paper core three 9, so that the paper core one 2 and the paper core three 9 cannot deform during adhesion.

When the pressure-resistant composite corrugated board is used, the beam section moment of inertia of the vertically adhered paper core I2 is larger than that of the vertically adhered paper core I2, the beam section can bear larger force when the vertically adhered paper core I2 and the paper core II 6 are matched, the pressure-resistant strength of the composite corrugated board can be greatly improved, compared with the multilayer composite corrugated board with the same thickness, the pressure-resistant strength of the multilayer composite corrugated board is greatly improved, the paper core II 6 is an E-corrugated paper core, the E-corrugated paper core can enable the outer surface of the composite corrugated board to be flat, the paper core III 9 is perpendicular to the paper core I2, the paper core I2 is convenient to align during processing, meanwhile, the surface paper I3 is adhered on the left side and the right side of the paper core I2 and the upper side and the lower side of the paper core III 9, the paper core I2 and the paper core III 9 can not deform when being adhered, and the coating layer 7 is waterproof glue layer and the kraft paper 8 is the kraft paper, the pressure-resistant paper core I2 inside the composite corrugated board can be prevented from being wetted, and the capacity of losing the paper core I2 is avoided.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A pressure-resistant composite corrugated paperboard, characterized in that it comprises an inner side paper (1);

The inner side paper (1) has paper cores (2) evenly distributed on its upper surface, the paper cores (2) are perpendicular to the upper surface of the inner side paper (1), the upper ends of the paper cores (2) are bonded with the second side paper (4), the upper surface of the second side paper (4) is bonded with the third side paper (5), the upper surface of the third side paper (5) is bonded with the second side paper (6), and the upper end of the paper cores (6) is bonded with the outer side paper (8).

2. The pressure-resistant composite corrugated paperboard according to claim 1, characterized in that a coating layer (7) is provided between the upper end of the second paper core (6) and the lower surface of the outer side paper (8).

3. The pressure-resistant composite corrugated paperboard according to claim 1 is characterized in that it also includes a paper core three (9), wherein the paper core three (9) is evenly adhered to the upper surface of the inner side paper (1), the paper core three (9) is perpendicular to the upper surface of the inner side paper (1), and the paper core three (9) is perpendicular to the horizontal direction of the paper core one (2).

4. The pressure-resistant composite corrugated paperboard according to claim 3 is characterized in that the left and right sides of the paper core one (2) and the upper and lower sides of the paper core three (9) are both adhered with the face paper one (3).

5. The pressure-resistant composite corrugated paperboard according to claim 1, characterized in that the second paper core (6) is an E flute paper core.

6. The pressure-resistant composite corrugated paperboard according to claim 2, characterized in that the coating layer (7) is a waterproof adhesive layer.

7. The pressure-resistant composite corrugated paperboard according to claim 1, characterized in that the outer side paper (8) is kraft paper.