CN215152767U

CN215152767U - Corrugated paper structure and four-layer and multi-layer corrugated board comprising same

Info

Publication number: CN215152767U
Application number: CN202022875734.8U
Authority: CN
Inventors: 王慧明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-12-14
Anticipated expiration: 2030-12-02

Abstract

The utility model provides a corrugated paper structure and four layers and multilayer corrugated board comprising the same, wherein the corrugated paper structure comprises at least two layers of corrugated paper, the corrugated paper is composed of a plurality of corrugated units which are connected side by side, the corrugated units are composed of two symmetrical connecting supporting parts, the junction of two supporting parts in each corrugated unit and the junction of two adjacent corrugated units form pointed convex parts, and the pointed convex parts on the opposite sides of the adjacent two layers of corrugated paper are correspondingly and directly connected; the corrugated board comprises first surface paper, second surface paper and the corrugated paper structure arranged between the surface paper; through specific process design, the peaks between the superposed corrugated middle layers are opposite and directly connected, the requirement on high strength performance can be met without additionally arranging a core paper layer, and only the peaks need to be glued during production, so that the glue demand and the paper demand of a unit area are greatly reduced, the cost advantage is highlighted, and the technical problems of high production cost, high energy consumption and the like in the prior art are solved.

Description

Corrugated paper structure and four-layer and multi-layer corrugated board comprising same

Technical Field

The utility model relates to a packing cardboard field, concretely relates to corrugated paper structure reaches four layers and multilayer corrugated container board including it.

Background

Corrugated board is also called corrugated board. Is formed by bonding at least one layer of corrugated paper and one layer of cardboard paper (also called as cardboard), 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.

Chinese utility model patent with application number CN201020623363.8 discloses a two-layer corrugated board, including top-layer corrugated layer and lining corrugated layer, top-layer corrugated layer and lining corrugated layer in the peak point relative distribution of corrugated paper.

However, in the multi-layer corrugated board in the prior art, core paper needs to be arranged between the corrugated paper and the corrugated paper for fixing to increase the strength, the paper quantity of the unit area of the board is large, and the glue passing quantity is large and the energy consumption is high during production.

SUMMERY OF THE UTILITY MODEL

To above problem, the utility model provides a corrugated paper structure reaches four layers and multilayer corrugated container board including it, through specific process design, produce a novel compound corrugated container board of multilayer, wherein peak point is relative and lug connection between the superimposed flute intermediate level, need not additionally to set up core paper layer and also can satisfy the high strength performance requirement, and only need peak point to cross glue during production, greatly reduced unit area's the volume of need gluing and the volume of need paper, the cost advantage is obviously shown, the manufacturing cost who exists among the prior art is high, technical problem such as the energy consumption is big has been solved.

In order to achieve the above object, the utility model provides a corrugated paper structure, including at least two-layer corrugated paper, the corrugated paper comprises a plurality of corrugated units of connecting side by side, the corrugated unit comprises two symmetric connection's supporting part, every the junction of two supporting parts and the junction of two adjacent corrugated units all form sharp convex part in the corrugated unit, and is adjacent two-layer the sharp convex part of the relative one side of corrugated paper corresponds the lug connection.

Preferably, the supporting part is a curved structure to form the corrugated paper a with a sine-like function curve.

Preferably, the support portion is a linear structure to form a V-shaped corrugated paper b.

Preferably, at least two layers of the corrugated paper are corrugated paper a or corrugated paper b, or a combination of the corrugated paper a and the corrugated paper b.

Preferably, the heights of at least two layers of corrugated paper are equal or different.

Preferably, the spans between the pointed convex parts on the opposite sides of the corrugated paper of two adjacent layers are equal or in multiple relation.

The utility model also provides a four-layer corrugated board, including first top layer paper, second top layer paper, still include the aforesaid corrugated paper structure, corrugated board structure set up in between first top layer paper and the second top layer paper, just corrugated paper 1 set up number of piles N and be greater than or equal to 2.

Preferably, the pointed convex parts on the opposite sides of the two adjacent layers of corrugated paper are mutually bonded; first top layer paper with the outer sharp convex part of corrugated paper structure one side bonds each other, second top layer paper with the outer sharp convex part of corrugated paper structure opposite side bonds each other.

Preferably, the first surface paper is set as facial paper or cardboard paper, and the second surface paper is set as facial paper or cardboard paper.

The beneficial effects of the utility model reside in that:

(1) the utility model produces a novel multilayer composite corrugated board through specific process design, wherein the peaks between the superposed corrugated middle layers are opposite and directly connected, the high-strength performance requirement can be satisfied without additionally arranging a core paper layer, and the peak is only needed to glue during production, thereby greatly reducing the glue demand and the paper demand of unit area, highlighting the cost advantage, and solving the technical problems of high production cost, large energy consumption and the like in the prior art;

(2) the utility model discloses a corrugated container board, paperboard material except can using ordinary boxboard, still can use the facial tissue material that can adapt to printing design pattern etc. including sola facial tissue and reel facial tissue for the application scope of product is wider, satisfies the packing demand under the various occasions.

To sum up, the utility model has the advantages of high strength, low cost, accommodation are wide, are particularly useful for packing cardboard technical field.

Drawings

Fig. 1 is a schematic diagram of a corrugated paper structure according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a four-layer corrugated board according to an embodiment of the present invention;

fig. 3 is a perspective view of a four-layer corrugated board structure according to the second embodiment of the present invention;

fig. 4 is a schematic diagram of a corrugated paper structure according to a fourth embodiment of the present invention;

fig. 5 is a schematic diagram of a corrugated paper structure according to a fifth embodiment of the present invention;

fig. 6 is a schematic structural view of corrugated paper according to a sixth embodiment of the present invention;

fig. 7 is a schematic diagram of a corrugated paper structure according to a seventh embodiment of the present invention;

fig. 8 is a schematic structural view of a multilayer corrugated board according to an eighth embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example one

As shown in fig. 1, a corrugated paper structure includes at least two layers of corrugated paper 1, the corrugated paper 1 is composed of a plurality of corrugated units 10 connected side by side, the corrugated units 10 are composed of two symmetrical supporting portions 101, each of the corrugated units 10 is formed with pointed convex portions 102 at the joint of two supporting portions 101 and at the joint of two adjacent corrugated units 10, and the pointed convex portions 102 at the opposite side of the corrugated paper 1 are directly connected.

Preferably, the supporting portion 101 is a curved structure to form the corrugated paper a11 having a sine-like function curve.

Example two

For simplicity, only the differences between the second embodiment and the first embodiment will be described below; the second embodiment is different from the first embodiment in that:

a four-layer corrugated board, as shown in fig. 2-3, includes a first surface paper 2, a second surface paper 3, and further includes the corrugated paper structure of the first embodiment, the corrugated board structure is disposed between the first surface paper 2 and the second surface paper 3, and the number of layers N =2 is set for the corrugated paper 1.

In the corrugated board in the embodiment, the pointed convex parts 102 between the two layers of corrugated boards 1 are opposite and directly connected, so that the requirement of high strength performance can be met without additionally arranging a core paper layer, and the paper demand of unit area is reduced; in addition, only glue needs to be applied to the pointed convex parts 102 on the two surfaces of the corrugated paper 1 during the production of the paper board, so that the glue consumption per unit area is reduced, the production flow is correspondingly simplified, and the cost advantage is fully highlighted.

Preferably, the pointed convex parts 102 on the opposite sides of the corrugated paper 1 of two adjacent layers are adhered to each other.

Preferably, the first surface paper 2 and the sharp convex part 102 of the outer layer on one side of the corrugated paper structure are adhered to each other; the second surface paper 3 is adhered to the pointed convex part 102 of the outer layer at the other side of the corrugated paper structure.

Preferably, the first surface paper 2 is set as face paper or cardboard paper.

Preferably, the second surface paper 3 is set as face paper or cardboard paper.

In this embodiment, the material of the corrugated board can be a tissue material suitable for printing design patterns and the like, including a single piece of tissue and a roll of tissue, besides the common cardboard, so that the application range of the product is wider, and the packaging requirements of various occasions are met.

EXAMPLE III

The embodiment provides a method for manufacturing a corrugated board in the second embodiment, which includes the following steps:

step one, a first corrugation forming procedure: conveying the raw material paperboard to a first corrugating station, and forming first corrugated paper under the matching of a first corrugating roller and a second corrugating roller;

step two, a second corrugation forming process: conveying the raw material paperboard to a second corrugated forming station, and forming second corrugated paper under the matching of a third corrugated roller and a fourth corrugated roller;

step three, a first gluing process: the second corrugated paper is conveyed to the first gluing station from the second corrugated forming station, and the first gluing component is used for gluing the second corrugated paper towards the peak of the first corrugated paper;

step four, a tip-to-tip process: the first corrugated paper and the second corrugated paper which is glued are conveyed to a point-to-point station together, and the peak point of the first corrugated paper and the peak point of the second corrugated paper are respectively bonded together under the action of the tooth tops of the first corrugated roller and the fourth corrugated roller to form double-layer corrugated paper in a bonding channel at the point-to-point station;

step five, a second gluing process: conveying the double-layer corrugated paper obtained in the fourth step to a second gluing station, and gluing the peak position of one surface, facing the first surface paper, of the double-layer corrugated paper by a second gluing mechanism;

step six, a first surface paper bonding procedure: unwinding a first surface layer paper to be bonded with the double-layer corrugated paper by an unwinding roller at a first surface layer paper unwinding station, transmitting the double-layer corrugated paper subjected to gluing to the first surface layer paper bonding station in the step five, bonding the double-layer corrugated paper with the first surface layer paper transmitted to the first surface layer paper bonding station to form three-layer corrugated paper, driving the three-layer corrugated paper to be transmitted backwards by a traction assembly, and drying the three-layer corrugated paper in the transmission process;

step seven, a third gluing process: the three layers of corrugated paper are conveyed to a third gluing station, and a third gluing mechanism is used for gluing the peak positions of the other surfaces of the three layers of corrugated paper;

step eight, a second surface paper bonding procedure: the unwinding roller at the second surface paper unwinding station unreels the second surface paper to be bonded with the three-layer corrugated paper, the three-layer corrugated paper glued in the step seven is transmitted to the second surface paper bonding station and is bonded with the second surface paper transmitted to the second surface paper bonding station to form a four-layer corrugated board, the four-layer corrugated board is driven by the traction assembly to be transmitted backwards, and the four-layer corrugated board is dried in the transmission process.

The novel multilayer composite corrugated board produced by the specific process design of the embodiment has the advantages that the production cost is greatly reduced while the strength performance is kept, and the novel multilayer composite corrugated board is fully suitable for large-scale industrial production.

Example four

For simplicity, only the differences between the fourth embodiment and the first embodiment will be described below; the fourth embodiment is different from the first embodiment in that:

preferably, as shown in fig. 4, the supporting portion 101 has a linear structure to form V-shaped corrugated paper b 12.

EXAMPLE five

For the sake of simplicity, only the points of difference between the fifth embodiment and the fourth embodiment will be described below; the fifth embodiment is different from the fourth embodiment in that:

preferably, as shown in fig. 5, at least two layers of the corrugated paper 1 are a combination of corrugated paper a11 and corrugated paper b 12.

EXAMPLE six

For the sake of simplicity, only the points of difference between the sixth embodiment and the fifth embodiment will be described below; the sixth embodiment is different from the fifth embodiment in that:

preferably, at least two layers of the corrugated paper 1 have the same height, or as shown in fig. 6, at least two layers of the corrugated paper 1 have different heights.

EXAMPLE seven

For the sake of simplicity, only the points of difference between embodiment seven and embodiment six are described below; the seventh embodiment differs from the sixth embodiment in that:

preferably, the span between the pointed convex parts 102 on the opposite side of the corrugated paper 1 in two adjacent layers is equal, or as shown in fig. 7, the span between the pointed convex parts 102 on the opposite side of the corrugated paper 1 in two adjacent layers is in a multiple relationship.

Example eight

A four-layer corrugated board, as shown in fig. 8, includes a first surface paper 2, a second surface paper 3, and further includes a corrugated board structure according to any one of the first embodiment and the fourth to seventh embodiments, the corrugated board structure is disposed between the first surface paper 2 and the second surface paper 3, and the number of layers N of the corrugated board 1 is greater than or equal to 3.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a corrugated paper structure, its characterized in that includes at least two-layer corrugated paper (1), corrugated paper (1) comprises a plurality of corrugated unit (10) of connecting side by side, corrugated unit (10) comprises two symmetrical coupling's supporting part (101), every in corrugated unit (10) the junction of two supporting parts (101) and the junction of two adjacent corrugated unit (10) all form sharp convex part (102), adjacent two-layer sharp convex part (102) of the relative one side of corrugated paper (1) correspond the lug connection.

2. A corrugated paper structure as claimed in claim 1, characterised in that the support (101) is of curved configuration to form a sine-like curve of the corrugated paper a (11).

3. A corrugated paper structure as claimed in claim 2, characterised in that the support (101) is of a linear configuration to form a V-shaped corrugated paper b (12).

4. A corrugated construction according to claim 3, characterised in that at least two layers of the corrugated paper (1) are one of corrugated paper a (11) or corrugated paper b (12), or a combination of corrugated paper a (11) and corrugated paper b (12).

5. A corrugated construction according to claim 4, characterised in that the height of at least two layers of the corrugated paper (1) is equal or unequal.

6. A corrugated paper structure as claimed in any one of claims 1 to 5, characterized in that the crests (102) of the opposite sides of two adjacent layers of the corrugated paper (1) have an equal or multiple span.

7. A four-ply corrugated cardboard comprising a first surface layer paper (2), a second surface layer paper (3), characterized in that it further comprises a corrugated paper structure as claimed in claim 6, which corrugated cardboard structure is arranged between the first surface layer paper (2) and the second surface layer paper (3), and the number of layers N =2 of the corrugated paper (1) is arranged.

8. A four-ply corrugated cardboard as claimed in claim 7, characterized in that the spikes (102) of two adjacent plies of the corrugated cardboard (1) on opposite sides are glued to each other; the corrugated paper structure is characterized in that the first surface layer paper (2) is adhered to the outer sharp convex part (102) on one side of the corrugated paper structure, and the second surface layer paper (3) is adhered to the outer sharp convex part (102) on the other side of the corrugated paper structure.

9. A four-ply corrugated board according to claim 7, characterized in that the first face paper (2) is provided as face paper or linerboard and the second face paper (3) is provided as face paper or linerboard.

10. A multi-layer corrugated board comprises a first surface paper (2) and a second surface paper (3), and is characterized by further comprising a corrugated paper structure according to claim 6, wherein the corrugated board structure is arranged between the first surface paper (2) and the second surface paper (3), and the number N of the arranged layers of the corrugated paper (1) is more than or equal to 3.

11. A multi-ply corrugated board according to claim 10, wherein the peaks (102) of two adjacent plies of the corrugated board (1) on opposite sides thereof are bonded to each other; the corrugated paper structure is characterized in that the first surface layer paper (2) is adhered to the outer sharp convex part (102) on one side of the corrugated paper structure, and the second surface layer paper (3) is adhered to the outer sharp convex part (102) on the other side of the corrugated paper structure.

12. A multi-ply corrugated board according to claim 10, wherein said first face paper (2) is provided as face paper or linerboard paper and said second face paper (3) is provided as face paper or linerboard paper.