Corrugated board structure with buffer layer

Abstract

The utility model relates to the technical field of corrugated boards, and discloses a corrugated board structure with a buffer layer, which solves the problem of poor buffer performance of the existing corrugated board, and comprises a corrugated board body, the corrugated board body is composed of a corrugated paper outer base layer, a waterproof outer layer, a puncture-resistant outer layer, a combined buffer layer, a corrugated paper inner base layer, a waterproof inner layer and a puncture-resistant inner layer, the waterproof outer layer is fixedly connected to the outer surface of the corrugated paper outer base layer, and the puncture-resistant outer layer is fixedly connected to the inner surface of the corrugated paper outer base layer. The waterproof inner layer is fixedly connected to the inner surface of the corrugated paper inner base layer, the puncture-resistant inner layer is fixedly connected to the outer surface of the corrugated paper inner base layer, and the combined buffer layer is fixedly connected between the puncture-resistant outer layer and the puncture-resistant inner layer; by means of the corrugated board structure, the overall buffering performance of the corrugated board can be improved, meanwhile, the good puncture resistance is achieved, and the protection effect on objects is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of corrugated paperboards, in particular to a corrugated paperboard structure with a buffer layer. Background Art

[0002] Corrugated boxes are the most widely used packaging products in modern society. Corrugated boxes are devices used to temporarily wrap products during production, transportation, storage and sales. The purpose is to protect and decorate these products so that they can be used well.

[0003] Corrugated boxes are composed of a combination of corrugated cardboards, so the overall performance of the corrugated cardboard determines the performance of the corrugated cardboard. The corrugated cardboard currently used has a poor buffering effect. When packaging some fragile items, if they are hit, they are easily damaged and cannot protect the items well. Therefore, the present application proposes a corrugated cardboard structure with a buffer layer. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a corrugated paperboard structure with a buffer layer, which effectively solves the problem of poor buffering performance of the existing corrugated paperboard.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a corrugated cardboard structure with a buffer layer, comprising a corrugated cardboard body, wherein the corrugated cardboard body is composed of a corrugated paper outer base layer, a waterproof outer layer, a puncture-resistant outer layer, a combined buffer layer, a corrugated paper inner base layer, a waterproof inner layer and a puncture-resistant inner layer, the waterproof outer layer is fixedly connected to the outer surface of the corrugated paper outer base layer, the puncture-resistant outer layer is fixedly connected to the inner surface of the corrugated paper outer base layer, the waterproof inner layer is fixedly connected to the inner surface of the corrugated paper inner base layer, the puncture-resistant inner layer is fixedly connected to the outer surface of the corrugated paper inner base layer, and the combined buffer layer is fixedly connected between the puncture-resistant outer layer and the puncture-resistant inner layer.

[0006] Preferably, the adjacent connecting surfaces of the corrugated paper outer base layer, the waterproof outer layer, the puncture-resistant outer layer, the combined buffer layer, the corrugated paper inner base layer, the waterproof inner layer and the puncture-resistant inner layer are all glue-connected structures.

[0007] Preferably, the combined buffer layer is composed of a corrugated paper buffer layer 1, a corrugated paper buffer layer 2 and a plurality of hollow corrugated paper tubes, the corrugated paper buffer layer 1 is fixedly connected to the puncture-resistant outer layer, the corrugated paper buffer layer 2 is fixedly connected to the puncture-resistant inner layer, and the hollow corrugated paper tube is fixedly connected between the corrugated paper buffer layer 1 and the corrugated paper buffer layer 2.

[0008] Preferably, a cross-shaped corrugated paper traction frame is fixedly arranged inside the hollow corrugated paper tube, a plurality of half-broken cracks are arranged on the cross-shaped corrugated paper traction frame, and the cross-shaped corrugated paper traction frame and the hollow corrugated paper tube are in a glue connection structure.

[0009] Preferably, the puncture-resistant outer layer and the puncture-resistant inner layer are both composed of a first braided layer and a second braided layer, and the first braided layer and the second braided layer are staggeredly connected by a glue layer.

[0010] Preferably, the first braided layer and the second braided layer are both formed by braiding a plurality of transverse puncture-resistant combined belt bodies and a plurality of longitudinal puncture-resistant combined belt bodies.

[0011] Preferably, the transverse puncture-resistant combined belt body and the longitudinal puncture-resistant combined belt body are both composed of an ultra-high molecular weight polyethylene base layer, a first puncture-resistant PO film and a second puncture-resistant PO film, and the first puncture-resistant PO film and the second puncture-resistant PO film are respectively connected to both sides of the ultra-high molecular weight polyethylene base layer.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) During operation, by providing a combined buffer layer consisting of a first corrugated paper buffer layer, a second corrugated paper buffer layer and a plurality of hollow corrugated paper tubes, the overall buffering performance of the corrugated paperboard can be improved, thereby improving the protective effect on the articles; by providing a cross-shaped corrugated paper traction frame and providing a half-broken crack on the cross-shaped corrugated paper traction frame, the anti-deformation strength of the hollow corrugated paper tube can be improved, the buffering force can be increased, and the buffering effect can be further improved;

[0014] (2) By providing a puncture-resistant outer layer and a puncture-resistant inner layer which are staggeredly connected by a first woven layer and a second woven layer, the overall puncture resistance of the corrugated cardboard can be improved. By providing a transverse puncture-resistant combined belt body and a longitudinal puncture-resistant combined belt body which are composed of an ultra-high molecular weight polyethylene base layer, a first puncture-resistant PO film and a second puncture-resistant PO film, the puncture resistance effect can be further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 This is a schematic diagram of the structure of the corrugated paperboard with a buffer layer of the utility model;

[0018] Figure 2 This is a cross-sectional view of a corrugated paperboard with a buffer layer of the utility model;

[0019] Figure 3 For this utility model Figure 1 A partial enlarged view of

[0020] Figure 4 This is a cross-sectional view of the hollow corrugated paper tube of the utility model;

[0021] Figure 5 This is a schematic diagram of the puncture-resistant outer layer structure of the utility model;

[0022] Figure 6 This is a schematic diagram of the structure of the transverse puncture-resistant combined belt body of the utility model;

[0023] In the figure: 1. Corrugated cardboard body; 2. Corrugated paper outer base layer; 3. Waterproof outer layer; 4. Puncture-resistant outer layer; 5. Combined buffer layer; 6. Corrugated paper inner base layer; 7. Waterproof inner layer; 8. Puncture-resistant inner layer; 9. Corrugated corrugated paper buffer layer one; 10. Corrugated corrugated paper buffer layer two; 11. Hollow corrugated paper tube; 12. Cross-shaped corrugated paper traction frame; 13. Half-broken crack; 14. First woven layer; 15. Second woven layer; 16. Transverse puncture-resistant combined belt body; 17. Longitudinal puncture-resistant combined belt body; 18. Ultra-high molecular weight polyethylene base layer; 19. First puncture-resistant PO film; 20. Second puncture-resistant PO film. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0025] Depend on Figure 1 and Figure 2 The utility model provides a corrugated cardboard structure with a buffer layer, comprising a corrugated cardboard body 1, wherein the corrugated cardboard body 1 is composed of a corrugated paper outer base layer 2, a waterproof outer layer 3, a puncture-resistant outer layer 4, a combined buffer layer 5, a corrugated paper inner base layer 6, a waterproof inner layer 7 and a puncture-resistant inner layer 8, wherein the waterproof outer layer 3 is fixedly connected to the outer surface of the corrugated paper outer base layer 2, the puncture-resistant outer layer 4 is fixedly connected to the inner surface of the corrugated paper outer base layer 2, the waterproof inner layer 7 is fixedly connected to the inner surface of the corrugated paper inner base layer 6, the puncture-resistant inner layer 8 is fixedly connected to the outer surface of the corrugated paper inner base layer 6, and the combined buffer layer 5 is fixedly connected between the puncture-resistant outer layer 4 and the puncture-resistant inner layer 8;

[0026] The corrugated paper outer base layer 2 and the corrugated paper inner base layer 6 can realize the main body support, the waterproof outer layer 3 and the waterproof inner layer 7 can improve the internal and external waterproof effects, the puncture-resistant outer layer 4 and the puncture-resistant inner layer 8 can improve the overall puncture resistance performance, and the combined buffer layer 5 can improve the buffer performance, thereby realizing efficient protection of the object;

[0027] Depend on Figures 1 to 4 It is given that the adjacent connection surfaces of the corrugated paper outer base layer 2, the waterproof outer layer 3, the puncture-resistant outer layer 4, the combined buffer layer 5, the corrugated paper inner base layer 6, the waterproof inner layer 7 and the puncture-resistant inner layer 8 are all glue-connected structures, the combined buffer layer 5 is composed of a corrugated corrugated paper buffer layer 1 9, a corrugated corrugated paper buffer layer 2 10 and a plurality of hollow corrugated paper tubes 11, the corrugated corrugated paper buffer layer 1 9 is fixedly connected to the puncture-resistant outer layer 4, the corrugated corrugated paper buffer layer 2 10 is fixedly connected to the puncture-resistant inner layer 8, the hollow corrugated paper tube 11 is fixedly connected between the corrugated corrugated paper buffer layer 1 9 and the corrugated corrugated paper buffer layer 2 10, a cross-shaped corrugated paper traction frame 12 is fixedly provided inside the hollow corrugated paper tube 11, a plurality of half-broken cracks 13 are provided on the cross-shaped corrugated paper traction frame 12 and the hollow corrugated paper tube 11 are glue-connected structures;

[0028] Basic buffering protection can be achieved through the corrugated corrugated paper buffer layer 1 9 and the corrugated corrugated paper buffer layer 2 10. When the impact force is large, the corrugated corrugated paper buffer layer 1 9 and the corrugated corrugated paper buffer layer 2 10 reach the maximum deformation degree. At this time, the hollow corrugated paper tube 11 achieves buffering, the half-broken crack 13 is completely broken, the traction force of the cross-shaped corrugated paper traction frame 12 disappears, and the hollow corrugated paper tube 11 is deformed, thereby achieving buffering protection;

[0029] Depend on Figure 1 , Figure 2 , Figure 5 and Figure 6 It is given that the puncture-resistant outer layer 4 and the puncture-resistant inner layer 8 are both composed of a first woven layer 14 and a second woven layer 15, the first woven layer 14 and the second woven layer 15 are connected by a dislocation of a rubber layer, the first woven layer 14 and the second woven layer 15 are both woven by a plurality of transverse puncture-resistant combined belt bodies 16 and a plurality of longitudinal puncture-resistant combined belt bodies 17, the transverse puncture-resistant combined belt bodies 16 and the longitudinal puncture-resistant combined belt bodies 17 are both composed of an ultra-high molecular weight polyethylene base layer 18, a first puncture-resistant PO film 19 and a second puncture-resistant PO film 20, and the first puncture-resistant PO film 19 and the second puncture-resistant PO film 20 are respectively connected to both sides of the ultra-high molecular weight polyethylene base layer 18;

[0030] The first woven layer 14 and the second woven layer 15 are connected by the staggered glue layer, which can eliminate the weaving gap and improve the puncture resistance effect. The transverse puncture-resistant combined belt body 16 and the longitudinal puncture-resistant combined belt body 17 composed of the ultra-high molecular weight polyethylene base layer 18, the first puncture-resistant PO film 19 and the second puncture-resistant PO film 20 can achieve rigid puncture resistance and flexible puncture resistance protection, and then achieve multi-layer puncture resistance protection, effectively protecting the packaged items.

[0031] During operation, by setting a combined buffer layer composed of a corrugated corrugated paper buffer layer 1, a corrugated corrugated paper buffer layer 2 and a plurality of hollow corrugated paper tubes, the overall buffering performance of the corrugated paperboard can be improved, thereby improving the protective effect on the articles; by setting a cross-shaped corrugated paper traction frame and setting a half-broken crack on the cross-shaped corrugated paper traction frame, the deformation resistance of the hollow corrugated paper tube can be improved, the buffering force can be increased, and the buffering effect can be further improved; by setting a puncture-resistant outer layer and a puncture-resistant inner layer connected by a first woven layer and a second woven layer in an offset manner, the overall puncture resistance of the corrugated paperboard can be improved; by setting a transverse puncture-resistant combined belt body and a longitudinal puncture-resistant combined belt body composed of an ultra-high molecular weight polyethylene base layer, a first puncture-resistant PO film and a second puncture-resistant PO film, the puncture resistance effect can be further improved.

Claims

1. A corrugated cardboard structure with a buffer layer, comprising a corrugated cardboard body (1), characterized in that: The corrugated paperboard body (1) is composed of a corrugated paper outer base (2), a waterproof outer layer (3), a puncture-resistant outer layer (4), a combined buffer layer (5), a corrugated paper inner base (6), a waterproof inner layer (7) and a puncture-resistant inner layer (8); the waterproof outer layer (3) is fixedly connected to the outer surface of the corrugated paper outer base (2); the puncture-resistant outer layer (4) is fixedly connected to the inner surface of the corrugated paper outer base (2); the waterproof inner layer (7) is fixedly connected to the inner surface of the corrugated paper inner base (6); the puncture-resistant inner layer (8) is fixedly connected to the outer surface of the corrugated paper inner base (6); and the combined buffer layer (5) is fixedly connected between the puncture-resistant outer layer (4) and the puncture-resistant inner layer (8).

2. The corrugated cardboard structure with a buffer layer according to claim 1, characterized in that: The adjacent connection surfaces of the corrugated paper outer base layer (2), the waterproof outer layer (3), the puncture-resistant outer layer (4), the combined buffer layer (5), the corrugated paper inner base layer (6), the waterproof inner layer (7) and the puncture-resistant inner layer (8) are all glue-connected structures.

3. The corrugated cardboard structure with a buffer layer according to claim 1, characterized in that: The combined buffer layer (5) is composed of a first corrugated paper buffer layer (9), a second corrugated paper buffer layer (10) and a plurality of hollow corrugated paper tubes (11); the first corrugated paper buffer layer (9) is fixedly connected to the puncture-resistant outer layer (4); the second corrugated paper buffer layer (10) is fixedly connected to the puncture-resistant inner layer (8); and the hollow corrugated paper tube (11) is fixedly connected between the first corrugated paper buffer layer (9) and the second corrugated paper buffer layer (10).

4. The corrugated paperboard structure with a buffer layer according to claim 3, characterized in that: A cross-shaped corrugated paper traction frame (12) is fixedly arranged inside the hollow corrugated paper tube (11), a plurality of half-broken cracks (13) are arranged on the cross-shaped corrugated paper traction frame (12), and the cross-shaped corrugated paper traction frame (12) and the hollow corrugated paper tube (11) are in a glue connection structure.

5. The corrugated paperboard structure with a buffer layer according to claim 1, characterized in that: The puncture-resistant outer layer (4) and the puncture-resistant inner layer (8) are both composed of a first braided layer (14) and a second braided layer (15), and the first braided layer (14) and the second braided layer (15) are staggeredly connected via a glue layer.

6. The corrugated paperboard structure with a buffer layer according to claim 5, characterized in that: The first braided layer (14) and the second braided layer (15) are both braided from a plurality of transverse puncture-resistant combined belt bodies (16) and a plurality of longitudinal puncture-resistant combined belt bodies (17).

7. The corrugated paperboard structure with a buffer layer according to claim 6, characterized in that: The transverse puncture-resistant combined belt body (16) and the longitudinal puncture-resistant combined belt body (17) are both composed of an ultra-high molecular weight polyethylene base layer (18), a first puncture-resistant PO film (19) and a second puncture-resistant PO film (20), wherein the first puncture-resistant PO film (19) and the second puncture-resistant PO film (20) are respectively connected to both sides of the ultra-high molecular weight polyethylene base layer (18).

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