High-strength water-resistant recycled paperboard

Abstract

The utility model provides a high-strength water-resistant recycled paperboard which comprises a paperboard body, an upper cover plate is rotatably folded on the top side of the paperboard body, the outer surfaces of the paperboard body and the upper cover plate are coated with waterproof layers, a buffer part is arranged in the paperboard body, and a strength layer is arranged on the bottom side of the buffer part. Honeycomb plate layers located at the front end and the rear end of a strength layer are additionally arranged in a paperboard body, gaps of the honeycomb plate layers are filled with shredded paper bonded through glue, the strength of the interior of the paperboard is improved, and then an arc-shaped component force plate arranged in the strength layer is used for bearing the strength borne by the paperboard body; then the received force is transmitted and shared to the inner dividing plate, the inner dividing plate transmits the force to the outer buffering plate and the inner buffering plastic block, the outer buffering plate transmits the force to the stress plastic plate, and the stress plastic plate transmits the force to the buffering plastic block, so that the force is dispersed, and the strength is improved.

Description

Technical Field

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

[0002] Recycled cardboard is a kind of cardboard made from waste paper through more than a dozen processes such as sorting, purification, pulping, and papermaking. Today, when the world is increasingly advocating environmental protection, the use of recycled paper is a popular measure. Recycled paper is made from waste paper, which is crushed, decolorized, and pulped through a variety of processes. 80% of its raw materials come from recycled waste paper, so it is known as low-energy, light-pollution, environmentally friendly paper.

[0003] The recycled paperboard used for carton packaging in the prior art is usually of low strength due to its simple structure. After being packaged into cartons, the stability of the cartons is reduced and they are prone to deformation and breakage, thereby reducing the service life of the cartons.

[0004] Therefore, we made improvements on this and proposed a high-strength and water-resistant recycled paperboard. Utility Model Content

[0005] The purpose of the utility model is to solve the problem that the recycled paperboard used for carton packaging usually has low strength due to its simple structure, which will reduce the stability of the carton after it is packaged into a carton and is prone to deformation and breakage.

[0006] In order to achieve the above-mentioned invention object, the utility model provides the following technical solutions:

[0007] High-strength and water-resistant recycled paperboard to improve the above problems.

[0008] The specific application is as follows:

[0009] It comprises a paperboard body, the top side of which is folded and rotated to form an upper cover plate, the outer surfaces of the paperboard body and the upper cover plate are coated with a waterproof layer, a buffer is arranged inside the paperboard body, and a strength layer is arranged on the bottom side of the buffer.

[0010] The strength of the inside of the paperboard is increased by adding a honeycomb panel layer located at the front and rear ends of the strength layer inside the paperboard body and filling the gaps of the honeycomb panel layer with shredded paper bonded with glue, and then an arc-shaped force distribution plate is arranged inside the strength layer to bear the strength of the paperboard body, and then the force is transferred and shared to the inner distribution plate, and the inner distribution plate transfers it to the outer buffer plate and the inner buffer plastic block, and the outer buffer plate transfers it to the force-bearing plastic plate, and the force-bearing plastic plate gives it to the buffer plastic block to disperse its force and increase its strength.

[0011] As a preferred embodiment of the high-strength water-resistant recycled paperboard provided by the utility model, the waterproof layer includes a waterproof coating layer, the bottom side of the waterproof coating layer is coated with a moisture-proof layer, the bottom side of the moisture-proof layer is coated with a film layer, and the film layer, the waterproof coating layer, and the moisture-proof layer are painted on the inner and outer surfaces of the paperboard body.

[0012] As a preferred embodiment of the high-strength water-resistant recycled paperboard provided by the utility model, the strength layer includes a buffer plastic block and an arc-shaped force dividing plate, the arc-shaped force dividing plate is located between the honeycomb board layers, the inner top surface of the arc-shaped force dividing plate is installed with an inner dividing plate, the bottom side surface of the inner dividing plate is installed with an outer buffer plate, one end of the outer buffer plate is installed with a force-bearing plastic plate, the bottom side of the inner dividing plate is installed with an inner buffer plastic block, and the buffer plastic blocks are located at both ends of the two force-bearing plastic plates.

[0013] As a preferred embodiment of the high-strength water-resistant recycled paperboard provided by the utility model, the buffer comprises a honeycomb board layer, which is symmetrically arranged at the front and rear ends inside the paperboard body with the strength layer as the center, and the gaps in the honeycomb board layer are filled with shredded paper bonded with glue.

[0014] As a preferred embodiment of the high-strength water-resistant recycled paperboard provided by the utility model, the diagonal ends of the bottom side of the paperboard body are movably folded with a second docking paper support plate and a first docking paper support plate, and two of the second docking paper support plates and the first docking paper support plates are staggered on the surface of the upper cover plate, and the position where the second docking paper support plates and the first docking paper support plates are docked is provided with mother and child Velcro, and the first docking paper support plates and the second docking paper support plates are bonded together by the mother and child Velcro.

[0015] As a preferred embodiment of the high-strength water-resistant recycled paperboard provided by the utility model, a placement groove is opened on the top side of the paperboard body, and a support support plate is slidably connected inside the placement groove. One end of the support support plate is integrally arranged with the second docking paper support plate and the first docking paper support plate, and the first docking paper support plate, the second docking paper support plate and the support support plate are movably folded.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The strength of the inside of the paperboard is increased by adding a honeycomb panel layer located at the front and rear ends of the strength layer inside the paperboard body and filling the gaps of the honeycomb panel layer with shredded paper bonded with glue, and then an arc-shaped force distribution plate is arranged inside the strength layer to bear the strength of the paperboard body, and then the force is transferred and shared to the inner distribution plate, and the inner distribution plate transfers it to the outer buffer plate and the inner buffer plastic block, and the outer buffer plate transfers it to the force-bearing plastic plate, and the force-bearing plastic plate gives it to the buffer plastic block to disperse its force and increase its strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the three-dimensional structure of the high-strength water-resistant recycled paperboard provided in this application;

[0019] Figure 2 A schematic diagram of the top view of the first butt paper support plate of the high-strength water-resistant recycled paperboard provided in the present application;

[0020] Figure 3 A schematic diagram of the structure of the waterproof layer of the high-strength water-resistant recycled paperboard provided in this application;

[0021] Figure 4 A schematic diagram of the position of the honeycomb board layer of the high-strength water-resistant recycled paperboard provided in this application;

[0022] Figure 5 A schematic diagram of the internal structure of the strength layer of the high-strength water-resistant recycled paperboard provided in this application.

[0023] Indicated in the figure:

[0024] 1. Paperboard body; 11. Upper cover plate; 2. First docking paper support plate; 21. Second docking paper support plate; 22. Placement groove; 23. Support support plate; 3. Waterproof layer; 31. Waterproof coating layer; 32. Moisture-proof layer; 33. Film layer; 4. Strength layer; 41. Buffer plastic block; 42. Arc force dividing plate; 43. Force-bearing plastic plate; 44. Inner dividing plate; 45. Outer buffer plate; 46. Inner buffer plastic block; 5. Honeycomb plate layer. DETAILED DESCRIPTION

[0025] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0026] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0028] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0029] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", etc. is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the invention product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0030] As described in the background art, the recycled paperboard used for carton packaging usually has low strength due to its simple structure. After being packaged into cartons, the stability of the cartons will be reduced, and they are prone to deformation and breakage.

[0031] In order to solve this technical problem, the utility model provides a high-strength water-resistant recycled paperboard.

[0032] Specifically, please refer to Figure 1-5 The high-strength water-resistant recycled paperboard specifically includes: a paperboard body 1, an upper cover plate 11 is folded and rotated on the top side of the paperboard body 1, the outer surfaces of the paperboard body 1 and the upper cover plate 11 are coated with a waterproof layer 3, a buffer is provided inside the paperboard body 1, and a strength layer 4 is provided on the bottom side of the buffer.

[0033] The strength of the inside of the paperboard is increased by adding a honeycomb panel layer 5 located at the front and rear ends of the strength layer 4 inside the paperboard body 1 and filling the gaps of the honeycomb panel layer 5 with shredded paper bonded with glue. Then, an arc-shaped force distribution plate 42 is arranged inside the strength layer 4 to bear the strength of the paperboard body 1. Then, the force is transferred and shared to the inner dividing plate 44. The inner dividing plate 44 transfers the force to the outer buffer plate 45 and the inner buffer plastic block 46. The outer buffer plate 45 transfers the force to the force-bearing plastic plate 43. The force-bearing plastic plate 43 gives the buffer plastic block 41 to disperse the force and increase the strength.

[0034] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0035] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0036] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0037] Example 1

[0038] Please refer to Figure 1-5 A high-strength, water-resistant recycled paperboard comprises a paperboard body 1, and an upper cover plate 11 is folded and rotated on the top side of the paperboard body 1. The paperboard body 1 is characterized in that the outer surfaces of the upper cover plate 11 and the paperboard body 1 are coated with a waterproof layer 3, and a buffer is provided inside the paperboard body 1, and a strength layer 4 is provided on the bottom side of the buffer. The strength layer 4 comprises a buffer plastic block 41 and an arc-shaped force dividing plate 42. The arc-shaped force dividing plate 42 is located between honeycomb board layers 5. An inner dividing plate 44 is installed on the inner top surface of the arc-shaped force dividing plate 42, and an outer slow plate 45 is installed on the bottom side of the inner dividing plate 44. A force-bearing plastic plate 43 is installed at one end of the outer slow plate 45, and an inner slow plastic block 46 is installed on the bottom side of the inner dividing plate 44. The buffer plastic block 41 is located at both ends of the two force-bearing plastic plates 43. The buffer comprises a honeycomb board layer 5, and the honeycomb board layer 5 is symmetrically arranged at the front and rear ends inside the paperboard body 1 with the strength layer 4 as the center, and the gaps in the honeycomb board layer 5 are filled with shredded paper bonded with glue.

[0039] In the implementation process, a honeycomb panel layer 5 is added to the front and rear ends of the strength layer 4 inside the paperboard body 1, and the gaps in the honeycomb panel layer 5 are filled with shredded paper bonded with glue to increase the strength of the paperboard inside. Then, an arc-shaped force distribution plate 42 is arranged inside the strength layer 4 to bear the strength of the paperboard body 1. Then, the force received is transferred to the inner dividing plate 44, and the inner dividing plate 44 is transferred to the outer buffer plate 45 and the inner buffer plastic block 46. The outer buffer plate 45 is transferred to the force-bearing plastic plate 43, and the force-bearing plastic plate 43 is given to the buffer plastic block 41 to disperse its force and increase its strength.

[0040] Example 2

[0041] The waterproof layer 3 includes a waterproof coating layer 31, a moisture-proof layer 32 is coated on the bottom side of the waterproof coating layer 31, a film layer 33 is coated on the bottom side of the moisture-proof layer 32, and the film layer 33, the waterproof coating layer 31, and the moisture-proof layer 32 are coated on the inner and outer surfaces of the paperboard body 1.

[0042] In the implementation process, the waterproof coating layer 31 on the outside of the waterproof layer 3 is a polycarbonate coating to make the inner and outer surfaces of the paperboard body 1 hydrophobic and waterproof, the waterproof coating layer 31 is a micro-emulsified wax coating to make the paperboard body 1 moisture-proof, and the film of the moisture-proof layer 32 is water-blocking to enhance the water-resistant and waterproof properties.

[0043] Example 3

[0044] The diagonal ends of the bottom side of the paperboard body 1 are movably folded with a second docking paper support plate 21 and a first docking paper support plate 2. Two second docking paper support plates 21 and the first docking paper support plates 2 are staggered on the surface of the upper cover plate 11. The positions where the second docking paper support plates 21 and the first docking paper support plates 2 are docked are provided with mother and child Velcro. The first docking paper support plates 2 and the second docking paper support plates 21 are bonded by the mother and child Velcro. Two second docking paper support plates 21 and placement grooves 22 are staggered on the surface of the upper cover plate 11. A placement groove 22 is provided on the top side of the paperboard body 1. A support support plate 23 is slidably connected inside the placement groove 22. One end of the support support plate 23 is integrally arranged with the second docking paper support plate 21 and the first docking paper support plate 2. The first docking paper support plate 2 and the second docking paper support plate 21 are movably folded with the support support plate 23.

[0045] During the implementation process, when the upper cover 11 is closed together, the support support plate 23 can be moved inside the placement groove 22, and then the second docking paper support plate 21 is separated from the first docking paper support plate 2, and the first docking paper support plate 2 and the second docking paper support plate 21 are folded and arranged with the inner surface of the upper cover 11, and a triangular support is formed by docking the first docking paper support plate 2 and the second docking paper support plate 21 diagonally arranged on the upper cover 11, and the second docking paper support plate 21 is located on the upper side of the first docking paper support plate 2, and the second docking paper support plate 21 and the first docking paper support plate 2 are bonded with Velcro.

[0046] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. A high-strength, water-resistant recycled paperboard, comprising a paperboard body (1), wherein the top side of the paperboard body (1) is folded with an upper cover plate (11), characterized in that: The outer surfaces of the paperboard body (1) and the upper cover plate (11) are coated with a waterproof layer (3), a buffer is provided inside the paperboard body (1), and a strength layer (4) is provided on the bottom side of the buffer.

2. The high-strength water-resistant recycled paperboard according to claim 1, characterized in that: The waterproof layer (3) comprises a waterproof coating layer (31), the bottom side of the waterproof coating layer (31) is coated with a moisture-proof layer (32), the bottom side of the moisture-proof layer (32) is coated with a film layer (33), and the film layer (33), the waterproof coating layer (31), and the moisture-proof layer (32) are brushed and arranged on the inner and outer surfaces of the paperboard body (1).

3. The high-strength water-resistant recycled paperboard according to claim 2, characterized in that: The strength layer (4) includes a buffer plastic block (41) and an arc-shaped force distribution plate (42). The arc-shaped force distribution plate (42) is located between the honeycomb plate layers (5). An inner dividing plate (44) is installed on the inner top surface of the arc-shaped force distribution plate (42). An outer buffer plate (45) is installed on the bottom side of the inner dividing plate (44). A force-bearing plastic plate (43) is installed on one end of the outer buffer plate (45). An inner buffer plastic block (46) is installed on the bottom side of the inner dividing plate (44). The buffer plastic block (41) is located between the two force-bearing plastic plates (43).

4. The high-strength water-resistant recycled paperboard according to claim 3, characterized in that: The buffer comprises a honeycomb board layer (5), wherein the honeycomb board layer (5) is symmetrically arranged at the front and rear ends inside the paperboard body (1) with the strength layer (4) as the center, and the gaps inside the honeycomb board layer (5) are filled with shredded paper bonded with glue.

5. The high-strength water-resistant recycled paperboard according to claim 1, characterized in that: The diagonal ends of the bottom side of the paperboard body (1) are movably folded with a second butt-jointed paper support plate (21) and a first butt-jointed paper support plate (2); two of the second butt-jointed paper support plates (21) and the first butt-jointed paper support plates (2) are staggeredly arranged on the surface of the upper cover plate (11); a mother and a child Velcro are arranged at the position where the second butt-jointed paper support plates (21) and the first butt-jointed paper support plates (2) are butt-jointed; the first butt-jointed paper support plates (2) and the second butt-jointed paper support plates (21) are bonded together by the mother and the child Velcro.

6. The high-strength water-resistant recycled paperboard according to claim 5, characterized in that: The top side surface of the paperboard body (1) is provided with a placement groove (22), the interior of the placement groove (22) is slidably connected with a support plate (23), one end of the support plate (23) is integrally arranged with the second docking paper support plate (21) and the first docking paper support plate (2), and the first docking paper support plate (2), the second docking paper support plate (21) and the support plate (23) are movably folded.

Images