阅读说明：本技术 一种高强度瓦楞纸板及其制作工艺 (High-strength corrugated board and manufacturing process thereof ) 是由 胡国荣 于 2021-08-03 设计创作，主要内容包括：本申请公开了一种高强度瓦楞纸板,包括第一瓦楞纸板外层和第二瓦楞纸板外层,还包括瓦楞纸板芯层组件,所述第一瓦楞纸板外层与第二瓦楞纸板外层关于瓦楞纸板芯层组件两侧相对设置；一种高强度瓦楞纸板制作工艺,包括如下步骤：S100、制备第一瓦楞纸板外层和第二瓦楞纸板外层；S200、用设备分别对第一瓦楞纸板芯层和第二瓦楞纸板芯层进行弯折,以形成波浪状；S300、在第一瓦楞纸板芯层和第二瓦楞纸板芯层均涂布连接胶层,并用设备按压第一瓦楞纸板芯层和第二瓦楞纸板芯层；S400、将第一瓦楞纸板外层和第一瓦楞纸板芯层粘结固定,将第二瓦楞纸板外层和第二瓦楞纸板芯层粘结固定；S500、分别在第一瓦楞纸板外层和第一瓦楞纸板芯层的外侧粘结防水层。(The application discloses a high-strength corrugated board, which comprises a first corrugated board outer layer, a second corrugated board outer layer and a corrugated board core component, wherein the first corrugated board outer layer and the second corrugated board outer layer are oppositely arranged relative to two sides of the corrugated board core component; a manufacturing process of a high-strength corrugated board comprises the following steps: s100, preparing a first corrugated paperboard outer layer and a second corrugated paperboard outer layer; s200, bending the first corrugated board core layer and the second corrugated board core layer respectively by using equipment to form a wavy shape; s300, coating connecting glue layers on the first corrugated board core layer and the second corrugated board core layer, and pressing the first corrugated board core layer and the second corrugated board core layer by using equipment; s400, bonding and fixing the outer layer of the first corrugated board and the core layer of the first corrugated board, and bonding and fixing the outer layer of the second corrugated board and the core layer of the second corrugated board; and S500, respectively bonding waterproof layers on the outer layer of the first corrugated board and the outer side of the core layer of the first corrugated board.)

1. A high-strength corrugated board comprises a first corrugated board outer layer (1) and a second corrugated board outer layer (2), and is characterized by further comprising a corrugated board core component (3), wherein the first corrugated board outer layer (1) and the second corrugated board outer layer (2) are oppositely arranged relative to two sides of the corrugated board core component (3);

corrugated cardboard core subassembly (3) include first corrugated cardboard core (31) and second corrugated cardboard core (32), first corrugated cardboard core (31) and second corrugated cardboard core (32) laminating are fixed, and first corrugated cardboard core (31) and second corrugated cardboard core (32) are wavy.

2. The high strength corrugated cardboard of claim 1, wherein: corrugated cardboard core subassembly (3) are still including connecting glue film (33), connecting glue film (33) are between first corrugated cardboard core layer (31) and second corrugated cardboard core layer (32), first corrugated cardboard core layer (31) and second corrugated cardboard core layer (32) bond fixedly through connecting glue film (33).

3. The high strength corrugated cardboard of claim 2, wherein: corrugated board core subassembly (3) still includes a plurality of first strengthening rib (34), and is a plurality of first strengthening rib (34) are parallel to each other, first strengthening rib (34) are fixed between first corrugated board core layer (31) and first corrugated board skin (1).

4. The high strength corrugated cardboard of claim 3, wherein: corrugated board core subassembly (3) still includes a plurality of second strengthening rib (35), and is a plurality of second strengthening rib (35) are parallel to each other, second strengthening rib (35) are fixed between second corrugated board core layer (32) and second corrugated board skin (2).

5. The high strength corrugated cardboard of any one of claims 1 to 4, wherein: and waterproof layers (4) are fixedly connected to the outer sides of the first corrugated board outer layer (1) and the second corrugated board outer layer (2).

6. The high strength corrugated cardboard of claim 1, wherein: and a drying agent (5) is arranged in the corrugated board core component (3).

7. The high strength corrugated cardboard of claim 1, wherein: a first thickening layer (61) is fixedly bonded between the first corrugated paperboard outer layer (1) and the first corrugated paperboard core layer (31), and a second thickening layer (62) is fixedly bonded between the second corrugated paperboard outer layer (2) and the second corrugated paperboard core layer (32).

8. A manufacturing process of a high-strength corrugated board is characterized by comprising the following steps: s100, preparing a first corrugated paperboard outer layer (1) and a second corrugated paperboard outer layer (2);

s200, respectively bending the first corrugated board core layer (31) and the second corrugated board core layer (32) by using equipment to form a wavy shape;

s300, coating connecting glue layers (33) on the first corrugated paperboard core layer (31) and the second corrugated paperboard core layer (32), and pressing the first corrugated paperboard core layer (31) and the second corrugated paperboard core layer (32) by equipment;

s400, bonding and fixing the first corrugated paperboard outer layer (1) and the first corrugated paperboard core layer (31), and bonding and fixing the second corrugated paperboard outer layer (2) and the second corrugated paperboard core layer (32);

and S500, respectively bonding waterproof layers (4) on the outer sides of the first corrugated paperboard outer layer (1) and the first corrugated paperboard core layer (31).

9. The process for manufacturing high-strength corrugated cardboard according to claim 8, wherein the process comprises the following steps: in S300, a first reinforcing rib (34) is adhesively fixed between the first corrugated cardboard outer layer (1) and the first corrugated cardboard core (31), and a second reinforcing rib (35) is adhesively fixed between the second corrugated cardboard outer layer (2) and the second corrugated cardboard core (32).

10. The process for manufacturing high-strength corrugated cardboard according to claim 8 or 9, wherein: in S300, a drying agent (5) is fixed between the first corrugated cardboard outer layer (1) and the first corrugated cardboard core (31).

Technical Field

The application belongs to the technical field of corrugated board manufacturing, and particularly relates to a high-strength corrugated board and a manufacturing process thereof.

Background

Corrugated paper is common paper in people's life, and it is used for making corrugated paper carton more, especially at the present of express delivery trade rapid development, and the demand of whole trade to corrugated paper carton is more and more big. However, the existing corrugated paper is mostly made of recycled waste paper, and the compression resistance and strength of the existing corrugated paper are much lower than those of the corrugated paper made of wood pulp.

Disclosure of Invention

The purpose of this application is to improve corrugated container board's structural strength.

In order to achieve the purpose, the application adopts one of the technical schemes: a high-strength corrugated board comprises a first corrugated board outer layer, a second corrugated board outer layer and a corrugated board core component, wherein the first corrugated board outer layer and the second corrugated board outer layer are oppositely arranged relative to two sides of the corrugated board core component;

the corrugated board core layer assembly comprises a first corrugated board core layer and a second corrugated board core layer, the first corrugated board core layer and the second corrugated board core layer are fixedly attached to each other, and the first corrugated board core layer and the second corrugated board core layer are wavy.

Preferably, corrugated container board sandwich layer subassembly still includes the connection glue film, including the connection glue film between first corrugated container board sandwich layer and second corrugated container board sandwich layer, first corrugated container board sandwich layer and second corrugated container board sandwich layer bond fixedly through the connection glue film.

Preferably, the corrugated cardboard core component further comprises a plurality of first reinforcing ribs, the plurality of first reinforcing ribs are parallel to each other, and the first reinforcing ribs are fixed between the first corrugated cardboard core and the first corrugated cardboard outer layer.

Preferably, the corrugated cardboard core assembly further comprises a plurality of second reinforcing ribs, the second reinforcing ribs are parallel to each other, and the second reinforcing ribs are fixed between the second corrugated cardboard core and the second corrugated cardboard outer layer.

By adopting the technical scheme, the method has the advantages that,

preferably, the outer sides of the first corrugated board outer layer and the second corrugated board outer layer are fixedly connected with waterproof layers.

Preferably, a drying agent is arranged in the corrugated board core layer assembly.

Preferably, a first thickening layer is fixedly bonded between the first corrugated paperboard outer layer and the first corrugated paperboard core layer, and a second thickening layer is fixedly bonded between the second corrugated paperboard outer layer and the second corrugated paperboard core layer.

In order to achieve the purpose, the application adopts the second technical scheme: a manufacturing process of a high-strength corrugated board is characterized by comprising the following steps: s100, preparing a first corrugated paperboard outer layer and a second corrugated paperboard outer layer;

s200, respectively bending the first corrugated board core layer and the second corrugated board core layer by using equipment so as to

Forming a wave shape;

s300, coating connecting glue layers on the first corrugated board core layer and the second corrugated board core layer, and using the connecting glue layers

Pressing the first corrugated paperboard core layer and the second corrugated paperboard core layer;

s400, bonding and fixing the outer layer of the first corrugated board and the core layer of the first corrugated board, and bonding and fixing the second corrugated board

The outer layer of the board and the core layer of the second corrugated board are bonded and fixed;

and S500, respectively bonding waterproof layers on the outer layer of the first corrugated board and the outer side of the core layer of the first corrugated board.

Preferably, in S300, the first reinforcing rib is adhesively fixed between the first corrugated cardboard outer layer and the first corrugated cardboard core, and the second reinforcing rib is adhesively fixed between the second corrugated cardboard outer layer and the second corrugated cardboard core.

Preferably, in S300, a desiccant is fixed between the first corrugated cardboard outer layer and the first corrugated cardboard core layer.

Has the advantages that: 1. the corrugated board core component is arranged, so that the structural strength of the corrugated board is improved; through laminating first corrugated container board sandwich layer and second corrugated container board sandwich layer, improve corrugated container board sandwich layer assembly's structural strength, and then improve this corrugated container board's intensity.

2. The waterproof layer prevents the corrugated board from weakening the structural strength due to water contact, and improves the waterproof property of the corrugated board.

3. The drying agent is arranged and used for absorbing moisture between the outer layer of the first corrugated board and the outer layer of the second corrugated board, and the service life of the corrugated board is prolonged.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it.

Fig. 1 is a schematic structural diagram of a first embodiment of the present application.

Fig. 2 is a schematic structural diagram of a second embodiment of the present application.

Fig. 3 is a schematic structural diagram of a third embodiment of the present application.

Fig. 4 is a schematic structural diagram of a fourth embodiment of the present application.

Fig. 5 is a schematic structural diagram of a fifth embodiment of the present application.

In the figure: 1. a first corrugated cardboard outer layer; 2. an outer layer of a second corrugated cardboard; 3. a corrugated board core assembly; 31. a first corrugated cardboard core layer; 32. a second corrugated cardboard core layer; 33. connecting the adhesive layer; 34. a first reinforcing rib; 35. a second reinforcing rib; 4. a waterproof layer; 5. a desiccant; 61. a first thickening layer; 62. a first thickening layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The first embodiment is as follows:

the utility model provides a high strength corrugated container board, including first outer 1 of corrugated container board, outer 2 of second corrugated container board and corrugated container board sandwich component 3, first outer 1 of corrugated container board is through the adhesive in one side of corrugated container board sandwich component 3, outer 2 of second corrugated container board is through the adhesive in the opposite side of corrugated container board sandwich component 3, and first outer 1 of corrugated container board is parallel to each other with outer 2 of second corrugated container board, first outer 1 of corrugated container board is the same with the outer 2 thickness of second corrugated container board.

The corrugated cardboard core assembly 3 comprises a first corrugated cardboard core 31, a second corrugated cardboard core 32 and a connecting glue layer 33; the connecting glue layer 33 is between the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32, the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32 are fixed by the connecting glue layer 33, and the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32 are both wavy.

Example two:

the utility model provides a high strength corrugated container board, including first outer 1 of corrugated container board, outer 2 of second corrugated container board and corrugated container board sandwich component 3, first outer 1 of corrugated container board is through the adhesive in one side of corrugated container board sandwich component 3, outer 2 of second corrugated container board is through the adhesive in the opposite side of corrugated container board sandwich component 3, and first outer 1 of corrugated container board is parallel to each other with outer 2 of second corrugated container board, first outer 1 of corrugated container board is the same with the outer 2 thickness of second corrugated container board.

The corrugated cardboard core assembly 3 comprises a first corrugated cardboard core 31, a second corrugated cardboard core 32 and a connecting glue layer 33; the connecting glue layer 33 is between the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32, the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32 are fixed by the connecting glue layer 33, and the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32 are both wavy.

The corrugated cardboard core assembly 3 further comprises a plurality of first stiffening ribs 34, the first stiffening ribs 34 being parallel to one another, the first stiffening ribs 34 being fixed between the first corrugated cardboard core 31 and the first corrugated cardboard outer layer 1.

The corrugated cardboard core assembly 3 further comprises a plurality of second reinforcing ribs 35, the plurality of second reinforcing ribs 35 are parallel to each other, and the second reinforcing ribs 35 are fixed between the second corrugated cardboard core 32 and the second corrugated cardboard outer layer 2; the second plurality of reinforcing ribs 35 serves to reinforce the structural strength between the second corrugated cardboard core 32 and the second corrugated cardboard outer layer 2.

Example three:

the utility model provides a high strength corrugated container board, including first outer 1 of corrugated container board, outer 2 of second corrugated container board and corrugated container board sandwich component 3, first outer 1 of corrugated container board is through the adhesive in one side of corrugated container board sandwich component 3, outer 2 of second corrugated container board is through the adhesive in the opposite side of corrugated container board sandwich component 3, and first outer 1 of corrugated container board is parallel to each other with outer 2 of second corrugated container board, first outer 1 of corrugated container board is the same with the outer 2 thickness of second corrugated container board.

The corrugated cardboard core assembly 3 comprises a first corrugated cardboard core 31, a second corrugated cardboard core 32 and a connecting glue layer 33; the connecting glue layer 33 is arranged between the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32, the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32 are fixed through the connecting glue layer 33, and the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32 are both wavy; the second plurality of reinforcing ribs 35 serves to reinforce the structural strength between the second corrugated cardboard core 32 and the second corrugated cardboard outer layer 2.

The waterproof layers 4 are fixedly connected to the outer sides of the first corrugated board outer layer 1 and the second corrugated board outer layer 2, the waterproof layers 4 are biaxially oriented polypropylene films, and the waterproof layers 4 are made by co-extruding polypropylene particles to form sheets and then stretching the sheets in longitudinal and transverse directions. Due to the stretching molecular orientation, the film has good physical stability, mechanical strength and air tightness, high transparency and glossiness, toughness and wear resistance, is a printing film which is most widely applied, and is generally used with the thickness of 20-40 μm and the most widely applied thickness of 20 μm. The biaxially oriented polypropylene film has the main defect of poor heat sealability, so that the biaxially oriented polypropylene film is generally used as an outer film of a composite film, is ideal in moisture resistance, transparency, strength, stiffness and printability after being compounded with a polyethylene film, and is suitable for containing dry food.

Example four:

the utility model provides a high strength corrugated container board, including first outer 1 of corrugated container board, outer 2 of second corrugated container board and corrugated container board sandwich component 3, first outer 1 of corrugated container board is through the adhesive in one side of corrugated container board sandwich component 3, outer 2 of second corrugated container board is through the adhesive in the opposite side of corrugated container board sandwich component 3, and first outer 1 of corrugated container board is parallel to each other with outer 2 of second corrugated container board, first outer 1 of corrugated container board is the same with the outer 2 thickness of second corrugated container board.

The corrugated cardboard core assembly 3 comprises a first corrugated cardboard core 31, a second corrugated cardboard core 32 and a connecting glue layer 33; the connecting glue layer 33 is between the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32, the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32 are fixed by the connecting glue layer 33, and the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32 are both wavy.

The corrugated board core layer component 3 is internally provided with a drying agent 5, the drying agent 5 is made of fiber, and the fiber drying agent is prepared by refining pure natural plant fiber through a special process. Particularly, the film-coated fiber desiccant tablet is convenient and practical and does not occupy space. Its moisture absorption capacity can reach 100% of its own weight, and is incomparable with ordinary desiccant. In addition, the product is safe and sanitary, has moderate price, and is an ideal choice for a plurality of organisms, health-care foods and medicines. The method is characterized in that: the natural plant fiber is a moisture absorption carrier, can be degraded naturally by 100 percent, and belongs to an environment-friendly drying agent; secondly, the moisture absorption rate is high; ③ the saturated moisture absorption rate can reach 100 percent of the self weight (25 ℃, RH is 100 percent) which is three times of that of the common desiccant; fourthly, the outer shape is thick paper, can be cut or punched into various shapes at will, and can be directly filled in bottle caps or other containers.

1. Environmental protection property: the pure natural minerals are used as main raw materials, can be degraded in percentage without pollution.

2. Safety: is non-toxic and harmless.

3. High hygroscopicity: the moisture absorption rate is higher than that of silica gel desiccant by more than 50%.

4. High cost performance: on the premise of ensuring the product efficiency, the price with extremely high market competitiveness is provided for client enterprises.

5. Personalized service: products with different performances can be provided according to the requirements of service objects.

6. Removing peculiar smell: the natural structure can selectively adsorb toxic gases such as formaldehyde, gaseous sulfide and the like.

Example five:

the utility model provides a high strength corrugated container board, including first outer 1 of corrugated container board, outer 2 of second corrugated container board and corrugated container board sandwich component 3, first outer 1 of corrugated container board is through the adhesive in one side of corrugated container board sandwich component 3, outer 2 of second corrugated container board is through the adhesive in the opposite side of corrugated container board sandwich component 3, and first outer 1 of corrugated container board is parallel to each other with outer 2 of second corrugated container board, first outer 1 of corrugated container board is the same with the outer 2 thickness of second corrugated container board.

The corrugated cardboard core assembly 3 comprises a first corrugated cardboard core 31, a second corrugated cardboard core 32 and a connecting glue layer 33; the connecting glue layer 33 is between the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32, the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32 are fixed by the connecting glue layer 33, and the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32 are both wavy.

A first thickening layer 61 is fixedly bonded between the first outer corrugated cardboard layer 1 and the first corrugated cardboard core 31, the first thickening layer 61 is used for increasing the structural strength of the first outer corrugated cardboard layer 1, a second thickening layer 62 is fixedly bonded between the second outer corrugated cardboard layer 2 and the second corrugated cardboard core 32, and the second thickening layer 62 is used for increasing the structural strength of the second outer corrugated cardboard layer 2.

Example six: the utility model provides a high strength corrugated container board, including first outer 1 of corrugated container board, outer 2 of second corrugated container board and corrugated container board sandwich component 3, first outer 1 of corrugated container board is through the adhesive in one side of corrugated container board sandwich component 3, outer 2 of second corrugated container board is through the adhesive in the opposite side of corrugated container board sandwich component 3, and first outer 1 of corrugated container board is parallel to each other with outer 2 of second corrugated container board, first outer 1 of corrugated container board is the same with the outer 2 thickness of second corrugated container board.

The corrugated cardboard core assembly 3 comprises a first corrugated cardboard core 31, a second corrugated cardboard core 32 and a connecting glue layer 33; the connecting glue layer 33 is between the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32, the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32 are fixed by the connecting glue layer 33, and the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32 are both wavy.

The corrugated cardboard core assembly 3 further comprises a plurality of first stiffening ribs 34, the first stiffening ribs 34 being parallel to one another, the first stiffening ribs 34 being fixed between the first corrugated cardboard core 31 and the first corrugated cardboard outer layer 1.

The corrugated cardboard core assembly 3 further comprises a plurality of second stiffening ribs 35, the second stiffening ribs 35 being parallel to one another, the second stiffening ribs 35 being fixed between the second corrugated cardboard core 32 and the second corrugated cardboard outer layer 2.

The waterproof layers 4 are fixedly connected to the outer sides of the first corrugated board outer layer 1 and the second corrugated board outer layer 2, the waterproof layers 4 are biaxially oriented polypropylene films, and the waterproof layers 4 are made by co-extruding polypropylene particles to form sheets and then stretching the sheets in longitudinal and transverse directions. Due to the stretching molecular orientation, the film has good physical stability, mechanical strength and air tightness, high transparency and glossiness, toughness and wear resistance, is a printing film which is most widely applied, and is generally used with the thickness of 20-40 μm and the most widely applied thickness of 20 μm. The biaxially oriented polypropylene film has the main defect of poor heat sealability, so that the biaxially oriented polypropylene film is generally used as an outer film of a composite film, is ideal in moisture resistance, transparency, strength, stiffness and printability after being compounded with a polyethylene film, and is suitable for containing dry food.

The corrugated board core layer component 3 is internally provided with a drying agent 5, the drying agent 5 is made of fiber, and the fiber drying agent is prepared by refining pure natural plant fiber through a special process. Particularly, the film-coated fiber desiccant tablet is convenient and practical and does not occupy space. Its moisture absorption capacity can reach 100% of its own weight, and is incomparable with ordinary desiccant. In addition, the product is safe and sanitary, has moderate price, and is an ideal choice for a plurality of organisms, health-care foods and medicines. The method is characterized in that: the natural plant fiber is a moisture absorption carrier, can be degraded naturally by 100 percent, and belongs to an environment-friendly drying agent; secondly, the moisture absorption rate is high; ③ the saturated moisture absorption rate can reach 100 percent of the self weight (25 ℃, RH is 100 percent) which is three times of that of the common desiccant; fourthly, the outer shape is thick paper, can be cut or punched into various shapes at will, and can be directly filled in bottle caps or other containers.

1. Environmental protection property: the pure natural minerals are used as main raw materials, can be degraded in percentage without pollution.

2. Safety: is non-toxic and harmless.

3. High hygroscopicity: the moisture absorption rate is higher than that of silica gel desiccant by more than 50%.

4. High cost performance: on the premise of ensuring the product efficiency, the price with extremely high market competitiveness is provided for client enterprises.

5. Personalized service: products with different performances can be provided according to the requirements of service objects.

6. Removing peculiar smell: the natural structure can selectively adsorb toxic gases such as formaldehyde, gaseous sulfide and the like.

A first thickening layer 61 is adhesively fixed between the first outer corrugated cardboard layer 1 and the first corrugated cardboard core 31, and a second thickening layer 62 is adhesively fixed between the second outer corrugated cardboard layer 2 and the second corrugated cardboard core 32.

Example seven: a manufacturing process of a high-strength corrugated board comprises the following steps:

s100, preparing a first corrugated paperboard outer layer 1 and a second corrugated paperboard outer layer 2;

s200, respectively bending the first corrugated board core layer 31 and the second corrugated board core layer 32 by using equipment to form a wavy shape;

s300, coating a connecting glue layer 33 on both the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32, and pressing the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32 with equipment;

s400, bonding and fixing the first corrugated paperboard outer layer 1 and the first corrugated paperboard core layer 31, and bonding and fixing the second corrugated paperboard outer layer 2 and the second corrugated paperboard core layer 32;

and S500, respectively bonding a waterproof layer 4 on the outer sides of the first corrugated paperboard outer layer 1 and the first corrugated paperboard core layer 31.

Example eight: a manufacturing process of a high-strength corrugated board comprises the following steps:

s100, preparing a first corrugated paperboard outer layer 1 and a second corrugated paperboard outer layer 2;

s200, respectively bending the first corrugated board core layer 31 and the second corrugated board core layer 32 by using equipment to form a wavy shape;

s300, coating a connecting glue layer 33 on both the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32, and pressing the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32 with equipment; the first reinforcing rib 34 is adhesively fixed between the first corrugated cardboard outer layer 1 and the first corrugated cardboard core 31, and the second reinforcing rib 35 is adhesively fixed between the second corrugated cardboard outer layer 2 and the second corrugated cardboard core 32.

S400, bonding and fixing the first corrugated paperboard outer layer 1 and the first corrugated paperboard core layer 31, and bonding and fixing the second corrugated paperboard outer layer 2 and the second corrugated paperboard core layer 32;

and S500, respectively bonding a waterproof layer 4 on the outer sides of the first corrugated paperboard outer layer 1 and the first corrugated paperboard core layer 31.

Example nine:

a manufacturing process of a high-strength corrugated board comprises the following steps:

s100, preparing a first corrugated paperboard outer layer 1 and a second corrugated paperboard outer layer 2;

s200, respectively bending the first corrugated board core layer 31 and the second corrugated board core layer 32 by using equipment to form a wavy shape;

s300, coating a connecting glue layer 33 on both the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32, and pressing the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32 with equipment; a first reinforcing rib 34 is fixedly bonded between the first corrugated paperboard outer layer 1 and the first corrugated paperboard core layer 31, and a second reinforcing rib 35 is fixedly bonded between the second corrugated paperboard outer layer 2 and the second corrugated paperboard core layer 32; a drying agent 5 is fixed between the first corrugated cardboard outer layer 1 and the first corrugated cardboard core 31.

S400, bonding and fixing the first corrugated paperboard outer layer 1 and the first corrugated paperboard core layer 31, and bonding and fixing the second corrugated paperboard outer layer 2 and the second corrugated paperboard core layer 32;

and S500, respectively bonding a waterproof layer 4 on the outer sides of the first corrugated paperboard outer layer 1 and the first corrugated paperboard core layer 31.

Example ten:

a manufacturing process of a high-strength corrugated board comprises the following steps:

s100, preparing a first corrugated paperboard outer layer 1 and a second corrugated paperboard outer layer 2;

s200, respectively bending the first corrugated board core layer 31 and the second corrugated board core layer 32 by using equipment to form a wavy shape;

s300, coating a connecting glue layer 33 on both the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32, and pressing the first corrugated cardboard core layer 31 and the second corrugated cardboard core layer 32 with equipment; a drying agent 5 is fixed between the first corrugated board outer layer 1 and the first corrugated board core layer 31;

s400, bonding and fixing the first corrugated paperboard outer layer 1 and the first corrugated paperboard core layer 31, and bonding and fixing the second corrugated paperboard outer layer 2 and the second corrugated paperboard core layer 32;

and S500, respectively bonding a waterproof layer 4 on the outer sides of the first corrugated paperboard outer layer 1 and the first corrugated paperboard core layer 31.

Finally, it should be noted that: the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.