CN215096196U

CN215096196U - Paperboard with high strength

Info

Publication number: CN215096196U
Application number: CN202023204728.6U
Authority: CN
Inventors: 张文杰; 陈德辉
Original assignee: DONGGUAN CITY UNIPARK PACKING CO LTD
Current assignee: DONGGUAN CITY UNIPARK PACKING CO LTD
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-12-10
Anticipated expiration: 2030-12-26

Abstract

The utility model belongs to the technical field of the technique of packing and specifically relates to a cardboard with high strength is related to, its technical scheme main points are: the reinforced plastic plate comprises a first plate layer, a second plate layer and a reinforcing layer, wherein the first plate layer and the second plate layer are used for supporting an article, the reinforcing layer is arranged between the first plate layer and the second plate layer, and the first plate layer, the reinforcing layer and the second plate layer are fixedly connected; the reinforcing layer is used for increasing the load-bearing load of the first and second plies. The paper board bending device has the technical effects of reducing the occurrence of bending of the paper board and saving energy and protecting environment.

Description

Paperboard with high strength

Technical Field

The application relates to the technical field of packaging, in particular to a paperboard with high strength.

Background

Corrugated board is also called corrugated board. Is formed by bonding at least one layer of corrugated paper and one layer of boxboard (also called boxboard), and has better elasticity and extensibility. The method is mainly used for manufacturing cartons, the sandwich of the cartons and other packaging materials of fragile commodities. The raw paper board similar to yellow paper board is made up by using straw pulp of earth method and waste paper through pulping, then mechanically processing and rolling into corrugated form, then using sodium silicate as adhesive on its surface and sticking it with cardboard paper.

At present, common corrugated boards are generally formed by clamping corrugated paper in upper and lower paper boards and bonding, the strength and toughness of the common corrugated boards are general, and when packaging boxes for valuables are designed, the common corrugated boards cannot meet the requirements for strength and toughness and are easy to bend.

There is therefore a need for a paperboard having high strength.

SUMMERY OF THE UTILITY MODEL

In order to reduce the occurrence of bending of the paperboard, the application provides the paperboard with high strength.

The application provides a cardboard with high strength adopts following technical scheme:

a paperboard having high strength comprising first and second plies for supporting an article and a reinforcing layer disposed between the first and second plies, the first, reinforcing and second plies being fixedly connected together; the reinforcing layer is used for increasing the load-bearing load of the first and second plies.

Through adopting above-mentioned technical scheme, when the cardboard needs to accomodate article, first sheet layer or second sheet layer contact with article, because the effect of gravity, article exert the effort to first sheet layer and second sheet layer, utilize the enhancement layer, and then increase the bearing load of first sheet layer and second sheet layer, and then reduced first sheet layer and second sheet layer the condition emergence of buckling.

Preferably, the reinforcing layer comprises a convex block fixedly connected to the first plate layer or the second plate layer and a groove arranged at the second plate layer or the first plate layer, and the convex block is in insertion fit with and fixedly connected with the groove.

Through adopting above-mentioned technical scheme, when first sheet layer and second sheet layer need support article, utilize the grafting cooperation between lug and the recess, and then realize the supporting role to first sheet layer or second sheet layer, and then reduce the cardboard and appear the condition emergence of buckling, and then can increase the bearing load of first sheet layer or second sheet layer.

Preferably, one end of the bump, which deviates from the first plate layer or the second plate layer, is hemispherical, and the groove is matched with the bump.

By adopting the technical scheme, when an article is required to be supported, the convex block is utilized to form the arc-shaped end face, and then partial gravity of the article can be dispersed from the central position of the convex block to the side direction of the convex block, so that the condition of stress concentration inside the paperboard can be reduced, and the condition of bending of the paperboard can be reduced.

Preferably, one end of the bump, which is away from the first plate layer or the second plate layer, is arranged in a conical shape.

Through adopting above-mentioned technical scheme, when needs support article, utilize the lug to be the terminal surface that the coniform set up, and then the partial gravity of article can be from the central position of lug to the dispersion between the side direction of lug, and then the condition emergence of reducible cardboard internal stress concentration, and then the condition emergence of buckling appears in reducible cardboard.

Preferably, the number of the convex blocks and the number of the grooves are a plurality, and the plurality of convex blocks are uniformly arranged at intervals along the length direction or the width direction of the first plate layer or the second plate layer respectively.

Through adopting above-mentioned technical direction, utilize a plurality of lug and recess, and then reducible first sheet layer and second sheet layer the condition emergence of buckling appears, and then can improve the bearing load of cardboard.

Preferably, the reinforcing layer comprises a plurality of supporting columns fixedly connected between the first plate layer and the second plate layer, and the length directions of the supporting columns are respectively perpendicular to the first plate layer and the second plate layer.

Through adopting above-mentioned technical scheme, when needs support article, utilize a plurality of support column, and then the condition emergence that completion appears in reducible first sheet layer and second sheet layer, and then can increase the bearing load of cardboard.

Preferably, the reinforcing layer comprises a reinforcing component, the reinforcing component comprises a plurality of supporting rods fixedly connected between the first plate layer and the second plate layer, and the plurality of supporting rods are arranged in a pyramid shape in a surrounding manner.

Through adopting above-mentioned technical scheme, when needs support article, utilize a plurality of to enclosing the bracing piece that closes, and then the stress that bears in the dispersible cardboard, and then reducible first sheet layer and second sheet layer the condition emergence of buckling appears, and then can increase the bearing load of cardboard.

Preferably, the support bar is at an angle of 60 ° with respect to the first or second slab.

Through adopting above-mentioned technical scheme, utilize the bracing piece and the contained angle between first sheet layer or the second sheet layer, and then reducible first sheet layer and second sheet layer appear the condition emergence of buckling.

Preferably, the number of the reinforcing assemblies is a plurality of groups, and the reinforcing assemblies are uniformly arranged among the groups along the plane direction of the first slab or the second slab at intervals.

Through adopting above-mentioned technical scheme, utilize a plurality of groups to strengthen the subassembly, and then make each position of cardboard all can increase bearing load.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first plate layer or the second plate layer is in contact with the article, the article exerts acting force on the first plate layer and the second plate layer under the action of gravity, and the reinforcing layer is utilized to increase the bearing load of the first plate layer and the second plate layer, so that the bending of the first plate layer and the second plate layer is reduced;

2. the first board layer or the second board layer is supported by the insertion fit between the convex blocks and the grooves, so that the bending of the paper board is reduced, and the bearing load of the first board layer or the second board layer can be increased;

3. by utilizing the plurality of supporting columns, the occurrence of the situation that the first board layer and the second board layer are finished can be reduced, and the bearing load of the paperboard can be increased;

4. through utilizing a plurality of roots to enclosing the bracing piece that closes, and then the stress that bears in the dispersible cardboard, and then the condition emergence that buckles appears in reducible first sheet layer and second sheet layer, and then can increase the bearing load of cardboard.

Drawings

FIG. 1 is a schematic view showing the overall structure of a paperboard having high strength according to one embodiment;

FIG. 2 is a partial structural sectional view of a reinforcing layer in accordance with one embodiment;

FIG. 3 is a cross-sectional view of a portion of the structure of the bump and the recess in the second embodiment;

FIG. 4 is a partial structural sectional view of a reinforcing layer in the third embodiment;

fig. 5 is a partial structural sectional view of a reinforcement member according to a fourth embodiment.

In the figure, 1, a first ply; 2. a second ply; 3. a reinforcing layer; 31. a bump; 32. a groove; 33. a support pillar; 34. a support bar; 341. a first support bar; 342. a second support bar; 343. a third support bar; 4. and connecting points.

Detailed Description

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

Example one

The embodiment of the application discloses a paperboard with high strength. Referring to fig. 1, the paperboard includes first and

second plies

1 and 2 for supporting an article and a reinforcing layer 3 disposed between the first and

second plies

1 and 2, the reinforcing layer 3 for increasing a load-bearing capacity of the first and

second plies

1 and 2, the first and

second plies

1 and 2 being oppositely disposed.

Referring to fig. 2, specifically, the reinforcing layer 3 includes a plurality of protrusions 31 fixedly connected to the first board layer 1 or the second board layer 2 and a plurality of grooves 32 disposed on the second board layer 2 or the first board layer 1, and the protrusions 31 and the grooves 32 are in insertion fit. Preferably, in the present embodiment, the plurality of bumps 31 are disposed on a side of the second board layer 2 facing the first board layer 1, and the grooves 32 are disposed on a side of the second board layer 2 facing the first board layer 1. The plurality of bumps 31 are uniformly arranged at intervals in the length direction and the width direction of the second board layer 2; the plurality of grooves 32 are respectively and uniformly arranged along the length direction and the width direction of the first sheet layer 1 at intervals. Preferably, in the present embodiment, the bumps 31 are all plastic blocks, one end of the bump 31 is adhesively fixed to the second board layer 2, and the other end of the bump 31 extends toward the first board layer 1. Preferably, in this embodiment, the thickness of the second board layer 2 is greater than that of the first board layer 1, and the groove 32 can be inserted into and fitted with the bump 31.

Referring to fig. 2, a side of the groove 32 facing the first board layer 1 is a groove bottom, and a side of the groove 32 facing away from the first board layer 1 is a notch. The end of the bump 31 departing from the second board layer 2 and the bottom of the groove 32 are both hemispherical, and when the bump 31 is matched with the groove 32 in an inserting manner, the end surface of the bump 31 is attached to the bottom of the groove 32. The bump 31 is adhered and fixed with the first board layer 1, so that the bump 31 can be prevented from being separated from the first board layer 1. The convex block 31 and the second plate layer 2 are in arc transition, and the part of the first plate layer 1, which is located between the two grooves 32 in one side of the convex block 31, is in arc end face arrangement and is matched with the plurality of convex blocks 31.

The implementation principle of the paperboard with high strength in the embodiment of the application is as follows:

when the paperboard needs to support articles, the worker can place the articles on one side of the first board layer 1, which is far away from the reinforcing layer 3, and the articles can apply acting force to the first board layer 1 under the action of gravity, and the acting force borne by the first board layer 1 can be diffused from the central position of the end surface of the projection 31 to the side position of the end surface of the projection 31 by utilizing the end surface of the projection 31 which is arranged in a hemispherical shape and the groove bottom of the groove 32 which is arranged in a hemispherical shape, so that the occurrence of stress concentration in the paperboard can be reduced, the occurrence of bending of the first board layer 1 can be reduced, and the bearing load of the paperboard can be improved; when an article is placed on the second board layer 2, the arc transition between the convex block 31 and the second board layer 2 is utilized, and then partial acting force born by the second board layer 2 is dispersed to the direction of the bottoms of the adjacent two grooves 32, so that the bearing load of the paperboard can be increased.

Example two

Referring to fig. 3, the present embodiment is different from embodiment 1 in that the bump 31 and the groove 32 are different in the present embodiment. Preferably, in this embodiment, an end surface of the bump 31 facing away from the second board layer 2 is disposed in a conical shape, and the groove 32 is matched with the bump 31.

EXAMPLE III

Referring to fig. 4, the present embodiment is different from embodiment 1 in that the reinforcing layer 3 is different in the present embodiment. In particular, the reinforcing layer 3 comprises a plurality of support columns 33 fixedly connected between the first ply 1 and the second ply 2. The plurality of support columns 33 are uniformly arranged along the length direction or the width direction of the first slab layer 1 or the second slab layer 2 at intervals. Preferably, the supporting columns 33 are arranged in a cylindrical shape, and a plurality of supporting columns 33 are all plastic columns. The two opposite ends of the supporting column 33 in the length direction are respectively bonded and fixed on the two opposite sides of the first slab 1 and the second slab 2.

when needs cardboard bears article, the staff places article at first sheet layer 1 or second sheet layer 2, utilizes a plurality of support columns 33, and then reducible first sheet layer 1 or second sheet layer 2 the condition emergence of buckling appears, and then improved the bearing load of cardboard.

Example four

Referring to fig. 5, the present embodiment is different from embodiment 1 in that the reinforcing layer 3 is different in the present embodiment. Specifically, the reinforcing layer 3 includes a plurality of groups of reinforcing members, and the plurality of groups of reinforcing members are uniformly arranged at intervals along the length direction or the width direction of the first slab layer 1 or the second slab layer 2, respectively. Specifically, the reinforcing assembly includes a plurality of support rods 34, and preferably, in the present embodiment, the number of the support rods 34 is three, and the three support rods 34 are a first support rod 341, a second support rod 342 and a third support rod 343. Preferably, in the present embodiment, the first supporting rod 341, the second supporting rod 342 and the third supporting rod 343 are all plastic rods.

Referring to fig. 5, two opposite ends of the first supporting rod 341 are respectively bonded and fixed to the first slab layer 1 and the second slab layer 2, and the included angle between the first supporting rod 341 and the first slab layer 1 or the second slab layer 2 is 60 degrees; meanwhile, the opposite ends of the second support rod 342 and the third support rod 343 are respectively bonded and fixed between the first plate layer 1 and the second plate layer 2, the included angle between the second support rod 342 and the first plate layer 1 or the second plate layer 2 is 60 °, and the included angle between the third support rod 343 and the first plate layer 1 or the second plate layer 2 is 60 °. The included angles between the first supporting bar 341, the second supporting bar 342 and the third supporting bar 343 are all 60 °. One end point of the first supporting rod 341, the second supporting rod 342, and the third supporting rod 343 is connected and located at the first slab layer 1 or the second slab layer 2, and this point is a connection point 4; the other end point extends from a different direction in the direction of the second sheet layer 2 or the first sheet layer 1, respectively. The first supporting rod 341, the second supporting rod 342 and the third supporting rod 343 surround and form a triangular pyramid shape, and the stability among the first supporting rod 341, the second supporting rod 342 and the third supporting rod 343 is further improved.

when the cardboard needs to support the article, the staff places the article in first sheet layer 1 or second sheet layer 2 department, and the partial gravity of article can deviate from the direction dispersion of another extreme point of tie point 4 to three spinal branch vaulting poles 34 respectively from tie point 4, utilizes the stability between first bracing piece 341, second bracing piece 342 and the third bracing piece 343 simultaneously, and then makes three spinal branch vaulting poles 34 be difficult for the fracture, and then improves the bearing load of cardboard.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A paperboard having high strength, characterized by: the laminated wood floor comprises a first plate layer (1) and a second plate layer (2) for supporting articles and a reinforcing layer (3) arranged between the first plate layer (1) and the second plate layer (2), wherein the first plate layer (1), the reinforcing layer (3) and the second plate layer (2) are fixedly connected; the reinforcing layer (3) is used for increasing the load-bearing load of the first slab (1) and the second slab (2); the reinforcing layer (3) comprises a plurality of supporting columns (33) fixedly connected between the first slab layer (1) and the second slab layer (2), and the length directions of the supporting columns (33) are respectively vertical to the first slab layer (1) and the second slab layer (2); or the reinforcing layer (3) comprises a plurality of convex blocks (31) fixedly connected to the first plate layer (1) or the second plate layer (2) respectively and a plurality of grooves (32) arranged at the second plate layer (2) or the first plate layer (1), and the convex blocks (31) are in insertion fit with the grooves (32) and are fixedly connected; or the reinforcing layer (3) comprises a reinforcing component, the reinforcing component comprises a plurality of supporting rods (34) fixedly connected between the first plate layer (1) and the second plate layer (2), and the plurality of supporting rods (34) are arranged in a pyramid shape in a surrounding manner.

2. A paperboard having high strength according to claim 1, wherein: the one end that lug (31) deviates from first sheet layer (1) or second sheet layer (2) is hemispherical setting, recess (32) with lug (31) cooperate.

3. A paperboard having high strength according to claim 1, wherein: one end of the lug (31) departing from the first plate layer (1) or the second plate layer (2) is arranged in a conical shape.

4. A paperboard having high strength according to claim 1, wherein: the number of the convex blocks (31) and the number of the grooves (32) are a plurality, and the convex blocks (31) are uniformly arranged at intervals along the length direction or the width direction of the first plate layer (1) or the second plate layer (2) respectively.

5. A paperboard having high strength according to claim 1, wherein: the included angle between the supporting rod (34) and the first slab layer (1) or the second slab layer (2) is 60 degrees.

6. A paperboard having high strength according to claim 1, wherein: the number of the reinforcing assemblies is a plurality of groups, and the reinforcing assemblies are uniformly arranged along the plane direction of the first plate layer (1) or the second plate layer (2) at intervals.