CN217197301U

CN217197301U - Corrugated board with high and stable compressive strength

Info

Publication number: CN217197301U
Application number: CN202220999282.0U
Authority: CN
Inventors: 周强; 江庆
Original assignee: Jiangsu Yima Packaging Co ltd
Current assignee: Jiangsu Yima Packaging Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-16
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses a stable corrugated container board of high compressive strength, it includes: the upper side of the fiberboard layer is provided with an upper concave cutting groove, the lower side of the fiberboard layer is provided with a lower concave cutting groove, and the upper concave cutting groove and the lower concave cutting groove are mutually corresponding and are positioned in the center of the fiberboard layer; the upper honeycomb core plate is glued on the upper side of the fiberboard layer, the lower side of the upper honeycomb core plate is embedded with the upper concave cutting groove, and the upper side is horizontal; the lower honeycomb core plate is glued to the lower side of the fiberboard layer, the upper side of the lower honeycomb core plate is embedded with the lower concave cutting groove, and the lower side of the lower honeycomb core plate is horizontal; an upper corrugated board glued on the upper side of the upper honeycomb core board; a lower corrugated board glued on the lower side of the lower honeycomb core board; an aluminum film layer adhered to the upper side of the upper corrugated board; and a kraft layer glued to the aluminum film layer. The utility model discloses a middle fiberboard layer sets up the upper and lower concave grooving of location usefulness, cooperates corresponding honeycomb core, improves the degree of closure that bonds, and the reinforcing is stable, and corrugated container board further improves the crushing resistance simultaneously, and the aluminium rete improves the functional of cardboard.

Description

Corrugated board with high and stable compressive strength

Technical Field

The utility model belongs to the technical field of corrugated container board, specifically speaking relates to a stable corrugated container board of high compressive strength.

Background

The storage tool of the modern living carton is necessary and frequently used, the existing carton is also divided into a plurality of types, generally, the common carton is basically the most common flat paperboard, the carton is easy to damage and has short service life, and the carton is a corrugated carton which is firm and has relatively long service life, so the corrugated carton is frequently used for placing some heavy objects or containing boxes for transporting goods.

The application range of present corrugated box is very extensive, and is not only domestic, and more apply to packing carton transportation field, can protect goods wherein because of its high strength can not damage because of the transportation, but present corrugated box still has the shortcoming, exactly compressive strength is not enough, when bearing great article, and each layer corrugated paper between the range upon range of cardboard misplaces easily, the skew to cause and tear, influence the quality of cardboard.

Therefore, a durable corrugated board with high pressure resistance and stability is urgently needed to be researched.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims to solve the technical problem that a stable corrugated container board of high compressive strength is provided for when avoiding corrugated container board in the past to bear great article, each layer cardboard misplaces easily, the relatively poor problem of quality.

In order to solve the technical problem, the utility model discloses a stable corrugated container board of high compressive strength, it includes:

the upper side of the fiberboard layer is provided with an upper concave cutting groove, the lower side of the fiberboard layer is provided with a lower concave cutting groove, and the upper concave cutting groove and the lower concave cutting groove correspond to each other and are positioned in the center of the fiberboard layer;

the upper honeycomb core plate is glued on the upper side of the fiberboard layer, the lower side of the upper honeycomb core plate is embedded with the upper concave cutting groove, and the upper side is horizontal;

the lower honeycomb core plate is glued to the lower side of the fiberboard layer, the upper side of the lower honeycomb core plate is embedded with the lower concave cutting groove, and the lower side of the lower honeycomb core plate is horizontal;

an upper corrugated board glued on the upper side of the upper honeycomb core board;

a lower corrugated board glued on the lower side of the lower honeycomb core board;

an aluminum film layer adhered to the upper side of the upper corrugated board; and

and the kraft layer is glued on the aluminum film layer.

According to an embodiment of the present invention, the peripheral groove walls of the upper concave cutting groove and the lower concave cutting groove are inclined.

According to an embodiment of the present invention, the thickness of the edge of the fiberboard layer is 6-8mm, and the depth of the upper concave groove and the lower concave groove is 2-3 mm.

According to the utility model discloses an embodiment, wherein fill waterproof glue film between above-mentioned aluminium rete and the last corrugated cardboard.

According to the utility model discloses an embodiment, wherein above-mentioned corrugated cardboard downside has still glued kraft layer down.

Compared with the prior art, the utility model discloses can obtain including following technological effect:

the upper and lower concave cutting grooves for positioning are arranged on the middle fiberboard layer, and are matched with the corresponding honeycomb core board, so that the bonding tightness is improved, the reinforcing stability is improved, meanwhile, the corrugated board further improves the pressure resistance, and the aluminum film layer improves the functionality of the paperboard.

Of course, it is not necessary for any product to achieve all of the above-described technical effects simultaneously.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

fig. 1 is a schematic view of a corrugated board with high compressive strength stability according to an embodiment of the present invention.

Reference numerals

The corrugated board comprises a fiber board layer 10, an upper concave cutting groove 11, a lower concave cutting groove 12, an upper honeycomb core board 20, a lower honeycomb core board 30, an upper corrugated board 40, a lower corrugated board 50, an aluminum film layer 60 and a kraft paper layer 70.

Detailed Description

The following detailed description will be made with reference to the accompanying drawings and examples, so that how to implement the technical means of the present invention to solve the technical problems and achieve the technical effects can be fully understood and implemented.

Referring to fig. 1, fig. 1 is a schematic diagram of a corrugated board with high compressive strength and stability according to an embodiment of the present invention.

As shown, a high resistance pressure stabilized corrugated cardboard comprises: the fiberboard layer 10 is provided with an upper undercut groove 11 on the upper side and a lower undercut groove 12 on the lower side, and the upper undercut groove 11 and the lower undercut groove 12 correspond to each other and are positioned in the center of the fiberboard layer 10; the upper honeycomb core plate 20 is glued on the upper side of the fiberboard layer 10, the lower side of the upper honeycomb core plate 20 is embedded with the upper concave cutting groove 11, and the upper side is horizontal; a lower honeycomb core plate 30 glued on the lower side of the fiberboard layer 10, wherein the lower concave cutting grooves 12 are embedded on the upper side of the lower honeycomb core plate 30, and the lower side is horizontal; an upper corrugated board 40 glued to the upper side of the upper honeycomb core board 20; a lower corrugated cardboard 50 glued to the lower side of the lower honeycomb core board 30; an aluminum film layer 60 adhered to the upper side of the upper corrugated cardboard 20; and a kraft paper layer 70 glued to the aluminum film layer 60.

The utility model discloses an in the embodiment, fiberboard layer 10 is selected from the density board, and its compressive strength is stronger, and middle fluting forms concave cut groove 11 and concave cut groove 12 for honeycomb core 20 and lower honeycomb core 30 in the gomphosis respectively, and cell wall formation all around ends, and is spacing central with its more stable, has avoided in the past when bearing great article, and the dislocation that the removal led to the fact inside ply has improved stability. And the upper honeycomb core plate 20 and the lower honeycomb core plate 30 are made of honeycomb paper boards, so that the pressure-bearing effect is strong.

The upper corrugated cardboard 40 and the lower corrugated cardboard 50 are respectively glued on the surfaces of the upper honeycomb core board 20 and the lower honeycomb core board 30, so that the strength of the cardboard is further improved. The aluminum film layer 60 is adhered to the upper honeycomb core board 20 for improving the stability of the paperboard and the moisture-proof effect. The kraft layer 70 realizes bearing of the upper end surface, improves the wear-resistant effect, and prolongs the service life.

In a preferred embodiment, the peripheral groove walls of the upper concave cutting groove 11 and the lower concave cutting groove 12 are obliquely arranged to form an outward expansion shape, so that the honeycomb core plate is more convenient to glue and has good stability.

Furthermore, the thickness of the edge of the fiber board layer 10 is 6-8mm, the thickness is moderate, the depth of the upper concave cutting groove 11 and the lower concave cutting groove 12 is 2-3mm, a certain filling anti-dislocation depth is provided, and the stability of the glued honeycomb core board is ensured.

In addition, a waterproof glue layer is filled between the aluminum film layer 60 and the upper corrugated cardboard 40, so that the waterproof sealing performance is further improved, and the service life is prolonged.

It is worth mentioning that the lower side of the lower corrugated cardboard 50 is further glued with a kraft layer, which ensures the wear resistance of the lower side of the cardboard.

To sum up, the utility model discloses a middle fiberboard layer 10 sets up the upper and lower concave grooving of location usefulness, cooperates corresponding honeycomb core, improves the degree of closure of bonding, and the reinforcing is stable, and corrugated container board further improves the crushing resistance simultaneously, and the aluminium rete improves the functional of cardboard.

The foregoing description shows and describes several preferred embodiments of the present invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, and is not to be construed as excluding other embodiments, but is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A high crush-resistant stabilized corrugated board comprising:

the upper side of the fiberboard layer is provided with an upper concave cutting groove, the lower side of the fiberboard layer is provided with a lower concave cutting groove, and the upper concave cutting groove and the lower concave cutting groove are mutually corresponding and are positioned in the center of the fiberboard layer;

the upper honeycomb core plate is glued on the upper side of the fiberboard layer, the lower side of the upper honeycomb core plate is embedded with the upper concave cutting groove, and the upper side of the upper honeycomb core plate is horizontal;

an upper corrugated board glued to the upper side of the upper honeycomb core board;

a lower corrugated cardboard glued to the underside of the lower honeycomb core;

and the kraft paper layer is glued on the aluminum film layer.

2. The high crush resistance stable corrugated cardboard of claim 1, wherein peripheral groove walls of the upper concave grooves and the lower concave grooves are obliquely arranged.

3. The high crush resistance stabilized corrugated paperboard of claim 1, wherein the fiberboard layer edge portions have a thickness of 6-8mm and the upper undercut grooves and the lower undercut grooves have a depth of 2-3 mm.

4. The high pressure resistant stable corrugated cardboard of claim 1, wherein a waterproof glue layer is filled between said aluminum film layer and said upper corrugated cardboard.

5. The high pressure resistant stable corrugated board as claimed in claim 1, wherein a kraft layer is further glued to the lower side of the lower corrugated board.