阅读说明：本技术 一种具有高抗压强度的瓦楞纸箱及其制备工艺 (Corrugated carton with high compressive strength and preparation process thereof ) 是由 曹宗华 陈宇 段学丽 刘道平 闭长华 于 2019-09-04 设计创作，主要内容包括：本发明提供了一种具有高抗压强度的瓦楞纸箱及其制备工艺,包括由瓦楞纸板组成的箱体,所述瓦楞纸板包括上纸板和下纸板,所述上纸板和下纸板中间设置有第一分隔板和第二分隔板,所述第一分隔板和第二分隔板之间竖直方向设置有多个紧密排列的纸管,所述第一分隔板与上纸板之间设置有交错布置的第一瓦楞纸和第一抗压管,所述第二分隔板与下纸板之间设置有交错布置的第二瓦楞纸和第二抗压管,所述第一瓦楞纸和第二瓦楞纸均设置为半圆弧状结构,且所述第一瓦楞纸与第一分隔板之间以及第二瓦楞纸与第二分隔板之间分别形成半球状空心的缓冲腔,相对于现有技术,本发明的瓦楞纸箱通过瓦楞纸板的内部设置抗压结构,从而使瓦楞纸箱具备高强度抗压能力。(the invention provides a corrugated case with high compressive strength and a preparation process thereof, the corrugated case comprises a case body consisting of a corrugated board, the corrugated board comprises an upper paper board and a lower paper board, a first partition board and a second partition board are arranged between the upper paper board and the lower paper board, a plurality of paper tubes which are closely arranged are arranged in the vertical direction between the first partition board and the second partition board, a first corrugated paper and a first compressive pipe which are arranged in a staggered manner are arranged between the first partition board and the upper paper board, a second corrugated paper and a second compressive pipe which are arranged in a staggered manner are arranged between the second partition board and the lower paper board, the first corrugated paper and the second corrugated paper are both arranged in a semi-circular arc structure, and semi-spherical hollow buffer cavities are respectively formed between the first corrugated paper and the first partition board and between the second corrugated paper and the second partition board, compared with the prior art, according to the corrugated case, the pressure-resistant structure is arranged in the corrugated board, so that the corrugated case has high-strength pressure-resistant capacity.)

1. the utility model provides a corrugated box with high compressive strength, includes the box of constituteing by corrugated container board, its characterized in that: corrugated container board includes cardboard and lower cardboard, go up cardboard and cardboard centre down and be provided with first division board and second division board, vertical direction is provided with a plurality of paper pipes of closely arranging between first division board and the second division board, be provided with staggered arrangement's first corrugated paper and first withstand voltage pipe between first division board and the last cardboard, first withstand voltage pipe top and last cardboard bottom veneer, first withstand voltage pipe bottom and the top of first division board veneer mutually, be provided with staggered arrangement's second corrugated paper and second withstand voltage pipe between second division board and the lower cardboard, second withstand voltage pipe top and the bottom of second division board veneer mutually, second withstand voltage pipe bottom and the top of cardboard down veneer mutually, first corrugated paper and second corrugated paper all set up to half circular arc-shaped structure, just form hemispherical hollow slow fire between first corrugated paper and the first division board and between second corrugated paper and the second division board respectively And (6) flushing a cavity.

2. The corrugated box having high compressive strength as set forth in claim 1, wherein: the paper tube is of a hollow structure, and the cross section of the paper tube is any one of a circle, a rectangle, a square and a triangle.

3. the corrugated box having high compressive strength as set forth in claim 1, wherein: glue is filled between the first partition plate where the first corrugated paper and the first pressure-resistant pipe are located and the upper paperboard and between the second partition plate where the second corrugated paper and the second pressure-resistant pipe are located and the lower paperboard respectively.

4. a corrugated box having high compressive strength according to any one of claims 1 or 3, wherein: and drying agents are arranged in the first corrugated paper and the second corrugated paper.

5. A corrugated box having high compressive strength according to any one of claims 1 or 3, wherein: the longitudinal section shapes of the first pressure resisting pipe and the second pressure resisting pipe are regular hexagons.

6. A corrugated box having high compressive strength according to any one of claims 1 or 3, wherein: the first pressure-resistant pipe and the second pressure-resistant pipe are both made of carbon fiber resin and are both of a hollow structure.

7. the corrugated box having high compressive strength as set forth in claim 1, wherein: go up cardboard and first corrugated paper and be half of first separator thickness respectively, cardboard and second corrugated paper are half of second separator thickness respectively down.

8. The corrugated box having high compressive strength as set forth in claim 1, wherein: the first and second partition plates have the same thickness.

9. A process for manufacturing a corrugated box having high compressive strength according to claim 1, comprising the steps of:

Pretreatment of raw materials: placing bamboo straws and wheat straws into a crusher to be crushed into crushed materials, and then grinding the crushed materials into pulp by a pulp grinder for later use;

enzymolysis: cooling the fiber slurry, adding amylase and adding an acid-base regulator;

Pulping and preparing pulp: pulping and mixing the fibers subjected to enzymolysis to obtain uniformly mixed slurry;

manufacturing a paperboard: pouring the uniformly mixed slurry after pulping and pulp mixing into a paperboard making template, dehydrating and pressing and forming by using a paper machine, and drying, calendering, hot pressing and curling to obtain raw paper;

Film coating treatment: laminating the base paper by a laminating machine to obtain an upper paper board, a lower paper board and a partition board;

and (3) laminating the paperboards: placing first corrugated paper and a first pressure resisting pipe between the manufactured upper paper board and the first partition board, placing second corrugated paper and a second pressure resisting pipe between the lower paper board and the second partition board, placing a honeycomb-shaped vertical paper pipe between the first partition board and the second partition board, and pressing by a pressing machine to obtain a corrugated paper board;

printing an image and text: selecting an image-text printing plate, then transferring the printing ink to the corrugated board by using an offset press, and drying the printing ink by using an ultraviolet spot lamp;

Cutting the paperboard: cutting the mounted corrugated board according to the geometric shape by using a die cutting blade on a die cutting machine;

Slotting a paperboard: cutting a slit groove which enables the upper rocking cover and the lower rocking cover to be smoothly folded on the corrugated board by using a grooving machine, and then carrying out right-angle cutting on a joint of the carton;

bonding a paperboard: and (4) nailing, bonding or tape jointing the cut corrugated board to manufacture the corrugated case.

10. The process according to claim 9, characterized in that: the raw paper used for preparing the corrugated paper carton is added with nano-filler, the nano-filler is a compound taking nano Ti0 and polyolefins as a matrix, the weight proportion of each component of the nano-filler is Ti 025-55%, the weight proportion of the polyolefin as the matrix is 55-85%, and the addition amount of the nano-filler is 3-9% of the weight of the raw paper.

Technical Field

The invention relates to the technical field of packaging materials, in particular to a corrugated carton with high compressive strength and a preparation process thereof.

Background

The corrugated case has the advantages of light weight, good structural performance, puncture resistance, shock resistance, buffering, folding, strong printing adaptability, easy specification change, environmental protection, recoverability, suitability for automatic packaging operation and the like, and becomes a paper packaging container which is not weak and is rapidly developed so far with unique performance in fierce competition with other packaging materials, and becomes the most important packaging form in modern packaging.

at present, corrugated cases on the market are generally made of corrugated paper, enterprises gradually adopt light and thin corrugated cases for making the corrugated cases more attractive and reducing the packaging cost of products, however, the light and thin corrugated cases on the market reduce the wall thickness of the cases and the using amount of the corrugated paper, and the defects of poor compression resistance are brought, that is, a large amount of stacked transportation is not available after products are packaged, if the cases are stacked too much, the cases are easy to deform, and thus, the internal products are damaged.

Disclosure of Invention

the invention aims to provide a corrugated case with high compressive strength and a preparation process thereof, and solves the problem of poor compressive performance of the traditional corrugated case in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a corrugated case with high compressive strength comprises a case body composed of a corrugated board, wherein the corrugated board comprises an upper paper board and a lower paper board, a first partition board and a second partition board are arranged between the upper paper board and the lower paper board, a plurality of paper tubes closely arranged are arranged in the vertical direction between the first partition board and the second partition board, first corrugated paper and first compressive tubes which are arranged in a staggered manner are arranged between the first partition board and the upper paper board, the top of each first compressive tube is glued with the bottom of the upper paper board, the bottom of each first compressive tube is glued with the top of the corresponding first partition board, second corrugated paper and second compressive tubes which are arranged in a staggered manner are arranged between the corresponding second partition board and the lower paper board, the top of each second compressive tube is glued with the bottom of the corresponding second partition board, the bottom of each second compressive tube is glued with the top of the corresponding lower paper board, and the first corrugated paper and the second corrugated paper are both in a semicircular arc-shaped, and hemispherical hollow buffer cavities are respectively formed between the first corrugated paper and the first partition plate and between the second corrugated paper and the second partition plate.

further, the paper tube is of a hollow structure, and the cross section of the paper tube is any one of a circle, a rectangle, a square and a triangle.

Further, glue is filled between the first partition plate where the first corrugated paper and the first pressure-resistant pipe are located and the upper paperboard and between the second partition plate where the second corrugated paper and the second pressure-resistant pipe are located and the lower paperboard respectively.

Preferably, the first corrugated paper and the second corrugated paper are both internally provided with drying agents.

Furthermore, the longitudinal section shapes of the first pressure resisting pipe and the second pressure resisting pipe are regular hexagons.

Furthermore, the first pressure-resistant pipe and the second pressure-resistant pipe are both made of carbon fiber resin and are both of a hollow structure.

Further, go up cardboard and first corrugated paper and be half of first separator thickness respectively, cardboard and second corrugated paper are half of second separator thickness respectively down.

further, the first and second partition plates have the same thickness.

The invention also provides a preparation process of the corrugated case, which comprises the following steps:

Pretreatment of raw materials: placing bamboo straws and wheat straws into a crusher to be crushed into crushed materials, and then grinding the crushed materials into pulp by a pulp grinder for later use;

enzymolysis: cooling the fiber slurry, adding amylase and adding an acid-base regulator;

Pulping and preparing pulp: pulping and mixing the fibers subjected to enzymolysis to obtain uniformly mixed slurry;

manufacturing a paperboard: pouring the uniformly mixed slurry after pulping and pulp mixing into a paperboard making template, dehydrating and pressing and forming by using a paper machine, and drying, calendering, hot pressing and curling to obtain raw paper;

film coating treatment: laminating the base paper by a laminating machine to obtain an upper paper board, a lower paper board and a partition board;

and (3) laminating the paperboards: placing first corrugated paper and a first pressure resisting pipe between the manufactured upper paper board and the first partition board, placing second corrugated paper and a second pressure resisting pipe between the lower paper board and the second partition board, placing a honeycomb-shaped vertical paper pipe between the first partition board and the second partition board, and pressing by a pressing machine to obtain a corrugated paper board;

printing an image and text: selecting an image-text printing plate, then transferring the printing ink to the corrugated board by using an offset press, and drying the printing ink by using an ultraviolet spot lamp;

cutting the paperboard: cutting the mounted corrugated board according to the geometric shape by using a die cutting blade on a die cutting machine;

Slotting a paperboard: cutting a slit groove which enables the upper rocking cover and the lower rocking cover to be smoothly folded on the corrugated board by using a grooving machine, and then carrying out right-angle cutting on a joint of the carton;

Bonding a paperboard: and (4) nailing, bonding or tape jointing the cut corrugated board to manufacture the corrugated case.

Further, the raw paper used for preparing the corrugated paper carton is added with nano-filler, the nano-filler is a compound taking nano Ti0 and polyolefins as a matrix, the weight ratio of each component of the nano-filler is Ti 025-55%, the weight ratio of the polyolefin as the matrix is 55-85%, and the addition amount of the nano-filler is 3% -9% of the weight of the raw paper.

Compared with the prior art, the invention has the beneficial effects that:

1. The corrugated paper board has the advantages that the first corrugated paper and the first pressure-resistant pipe are arranged between the upper paper board and the first partition board, the second corrugated paper and the second pressure-resistant pipe are arranged between the lower paper board and the second partition board, the supporting force of the corrugated paper is enhanced by utilizing the semicircular arc-shaped structure, the upper paper board and the lower paper board are better supported, the first pressure-resistant pipe and the second pressure-resistant pipe which are provided with the hollow structure with the regular hexagonal longitudinal section are favorable for increasing the pressure-resistant capacity of the corrugated paper, the compression strength of the upper paper board and the lower paper board is enhanced by the hexagonal structure of the first pressure-resistant pipe and the second pressure-resistant pipe are made of carbon fiber resin, the weight of the corrugated paper board is reduced, the corrugated paper board is convenient to transport, the first partition board and the second partition board can also play a role of reinforcing ribs for fixing the corrugated paper and the compression-resistant pipes, and stress points are provided, glue is respectively filled between the first partition plate where the first corrugated paper and the first pressure-resistant pipe are located and the upper paper board and between the second partition plate where the second corrugated paper and the second pressure-resistant pipe are located and the lower paper board, so that the firmness degree between the upper paper board and the first corrugated paper and between the upper paper board and the first pressure-resistant pipe and the firmness degree between the lower paper board and the second corrugated paper and between the lower paper board and the second pressure-resistant pipe can be increased, and the overall strength of the corrugated paper board can be improved; a plurality of paper tubes which are closely arranged are arranged in the vertical direction between the first partition plate and the second partition plate and are used as a bearing body in the middle of the corrugated board, so that the internal and external compressive strengths of the corrugated board are balanced, and the overall strength of the corrugated board is further enhanced. Therefore, the corrugated case is prevented from being extruded and deformed or damaged, the service life of the corrugated case is prolonged, the safety of articles in the corrugated case is protected, the loss is reduced, and the economic benefit is improved.

2. Through adopting the surface tectorial membrane at the body paper can make corrugated container board play waterproof effect, be provided with the drier simultaneously in corrugated paper inside to prevent corrugated container board by water decomposition, improve corrugated container box's intensity, add nano-filler simultaneously in the body paper, also can improve corrugated container box's intensity.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

drawings

Fig. 1 is a schematic structural view of a corrugated box disclosed in the present invention;

Fig. 2 is a schematic perspective view of a corrugated cardboard disclosed in the present invention;

FIG. 3 is a schematic plane view of a corrugated cardboard disclosed in the present invention;

FIG. 4 is a flow chart of a process for manufacturing corrugated paper boxes according to the present disclosure;

in the figure: 1-box body, 2-corrugated board, 3-upper paper board, 4-lower paper board, 5-first partition board, 6-second partition board, 7-paper tube, 8-first corrugated paper, 9-first pressure-resisting tube, 10-second corrugated paper, 11-second pressure-resisting tube, 12-buffer cavity, 13-glue and 14-drying agent.

Detailed Description

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

in the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

Referring to fig. 1 to 3, the embodiment of the invention discloses a corrugated case with high compressive strength, comprising a case body 1 composed of a corrugated board 2, wherein the corrugated board 2 comprises an upper board 3 and a lower board 4, a first partition board 5 and a second partition board 6 are arranged between the upper board 3 and the lower board 4, a plurality of paper tubes 7 which are closely arranged are arranged between the first partition board 5 and the second partition board 6 in the vertical direction, a first corrugated paper 8 and a first compressive tube 9 which are arranged in a staggered manner are arranged between the first partition board 5 and the upper board 3, the top of the first compressive tube 9 is glued with the bottom end of the upper board 3, the bottom of the first compressive tube 9 is glued with the top end of the first partition board 5, a second corrugated paper 10 and a second compressive tube 11 which are arranged in a staggered manner are arranged between the second partition board 6 and the lower board 4, the top of the second compressive tube 11 is glued with the bottom end of the second partition board 6, second withstand voltage pipe 11 bottom glues mutually with the top of cardboard 4 down, first corrugated paper 8 and second corrugated paper 10 all set up to semicircle arc-shaped structure, just form hemispherical hollow cushion chamber 12 between first corrugated paper 8 and the first division board 5 and between second corrugated paper 10 and the second division board 6 respectively. Under the structural arrangement, when the corrugated case composed of the corrugated boards 2 is used, default is made, the outer side surface of the upper paper board 3 forms the outer wall of the corrugated case, the outer side surface of the lower paper board 4 forms the inner wall of the corrugated case, certainly, the exchange can also be carried out, the first corrugated paper 8 and the first pressure-resistant pipe 9 which are arranged in a mutually staggered mode are arranged between the upper paper board 3 and the first partition board 5, the first corrugated paper 8 is arranged to be in a semi-arc structure, a semi-spherical hollow buffer cavity 12 is formed between the first corrugated paper 8 and the first partition board 5, the first corrugated paper 8 can play a role in supporting the upper paper board 3, when the upper paper board 3 is extruded by external force, the pressure-resistant buffer can be carried out through the buffer cavity 12, the first pressure-resistant pipe 9 and the first corrugated paper 8 are arranged in a staggered mode, the supporting effect on the upper paper board 3 is also played, and the pressure, the compressive strength of the upper paper board 3 under external force is further improved; the second corrugated paper 10 and the second compression resistant pipes 11 which are arranged in a staggered mode are arranged between the lower paper board 4 and the second partition board 6, the second corrugated paper 10 is set to be in a semicircular arc structure, a hemispherical hollow buffer cavity 12 is formed between the second corrugated paper 10 and the second partition board 6, the second corrugated paper 10 can play a role in supporting the lower paper board 4, when the lower paper board 4 is extruded by external force, the external force basically comes from extrusion force of objects in a corrugated paper box on the lower paper board 4, compression resistant buffering can be carried out through the buffer cavity 12, the second compression resistant pipes 11 and the second corrugated paper 10 are arranged in a staggered mode, the supporting effect on the lower paper board 4 is also achieved, meanwhile, the compression resistant capacity of the second corrugated paper 10 is improved through the structure of the second compression resistant pipes, and the compression resistant strength of the lower paper board 4 when the external force is applied is; through the vertical direction in the middle of first division board 5 and second division board 6 set up a plurality of paper tubes 7 of closely arranging, as the supporting body in the middle of corrugated container board 2 for the compressive strength is balanced inside and outside corrugated container board 2, has further strengthened corrugated container board 2's bulk strength. Therefore, the corrugated case is prevented from being extruded and deformed or damaged, the service life of the corrugated case is prolonged, the safety of articles in the corrugated case is protected, and the loss is reduced.

In the embodiment, the outer side walls of the paper tubes 7 are adhered to each other by glue 13 and are closely arranged together, the upper end surfaces of the paper tubes 7 are adhered to the bottom end of the first partition plate 5 by glue, and the lower end surfaces of the paper tubes 7 are adhered to the top end of the second partition plate 6 by glue 13; in this embodiment, the paper tube 7 has a hollow structure, and the cross section of the paper tube 7 is any one of a circle, a rectangle, a square and a triangle. The corrugated case is of a hollow structure, so that the cost of the corrugated case is saved, and the weight of the corrugated case can be reduced.

In this embodiment, glue 13 is filled between the first partition board 5 where the first corrugated paper 8 and the first pressure resisting pipe 9 are located and the upper paperboard 3, and between the second partition board 6 where the second corrugated paper 10 and the second pressure resisting pipe 11 are located and the lower paperboard 4 respectively. With such a structure, the firmness between the upper paper board 3 and the first corrugated paper 8 and the first pressure resisting pipe 9 can be increased, the firmness between the lower paper board 4 and the second corrugated paper 10 and the second pressure resisting pipe 11 can be increased, and the overall strength of the corrugated paper board 2 can be improved.

Preferably, the first corrugated paper 8 and the second corrugated paper 10 are both provided with drying agent 14 inside. Through setting up drier 14, can dehumidify corrugated container board 2 inner space, prevent because corrugated container board 2 from weing the back, lead to corrugated container box's compressive strength to reduce.

further, the longitudinal cross-sectional shapes of the first pressure resisting pipe 9 and the second pressure resisting pipe 11 are both regular hexagons. Through the arrangement of the regular hexagon structure, two opposite sides of the first compression pipe 9 can be glued with the bottom end of the upper paperboard 3 and the top end of the first partition plate 5 through glue 13 respectively, when the upper paperboard 3 is extruded by external force, the upper top surface and the lower top surface of the first compression pipe 9 are respectively glued with the upper paperboard 3 and the first partition plate 5, the compression area is increased, the compression strength of the upper paperboard 3 in unit area is reduced, the compression strength of the first corrugated paper 8 is increased by staggered arrangement with the semi-arc first corrugated paper 8, the first corrugated paper 8 and the first compression pipe 9 are enabled to act in a combined manner, and high-strength compression resistance to the upper paperboard 3 is achieved; similarly, glue 13 veneer is passed through with the bottom of second division board 6 and the top of cardboard 4 down respectively to two opposite sides of second withstand voltage pipe 11, when cardboard 4 receives external force extrusion down, because of top surface about the second withstand voltage pipe 11 respectively with second division board 6 with go up 3 laminatings of cardboard, the pressure receiving area has been increased, thereby reduce the compressive strength on 4 unit areas of cardboard down, and with be crisscross the arranging of half-circular arc second corrugated paper 10, the compressive strength of second corrugated paper 10 has been increased, the second corrugated paper 10 and the second withstand voltage pipe 11 joint action that make, play the high strength resistance to compression to cardboard 4 down.

Further, the first pressure resisting pipe 9 and the second pressure resisting pipe 11 are both made of carbon fiber resin and are both provided with hollow structures. Adopt carbon fiber resin to make, alleviateed corrugated container board 2 weight itself, be favorable to convenient transportation, adopt hollow structure, be favorable to corrugated container board 2 on the corrugated container box when the pressurized, can play the cushioning effect, strengthen corrugated container box's compressive strength from this.

further, go up cardboard 3, first corrugated paper 8 and be half of first division board 5 thickness respectively, cardboard 4, second corrugated paper 10 are half of second division board 6 thickness respectively down. Because the first partition board 5 and the second partition board 6 are the paperboards which are used as the inner part of the corrugated board 2 and have the fixing and supporting functions, the thickness of the first partition board 5 and the thickness of the second partition board 6 are set to be larger than that of other paperboards, and the good supporting and pressure-resisting functions are achieved.

further, the first and second partition plates 5 and 6 have the same thickness. The outer force extrusion that upper paper board 3 and lower paper board 4 received is guaranteed to release through first division board 5 and second division board 6 respectively to corrugated container board 2's centre to carry out the resistance to compression buffering by paper tube 7, make corrugated container board 2 internal and external two sides resistance to compression balanced.

Referring to fig. 4, the embodiment of the present invention further discloses a manufacturing process of a corrugated case according to the corrugated case with high compressive strength, which includes the following steps:

S01, raw material pretreatment: placing bamboo straws and wheat straws into a crusher to be crushed into crushed materials, and then grinding the crushed materials into pulp by a pulp grinder for later use;

S02, enzymolysis: cooling the fiber slurry, adding amylase and adding an acid-base regulator;

S03, pulping and pulp preparation: pulping and mixing the fibers subjected to enzymolysis to obtain uniformly mixed slurry;

S04, manufacturing a paperboard: pouring the uniformly mixed slurry after pulping and pulp mixing into a paperboard making template, dehydrating and pressing and forming by using a paper machine, and drying, calendering, hot pressing and curling to obtain raw paper;

S05, film coating treatment: laminating the base paper by a laminating machine to obtain an upper paper board 3, a lower paper board 4, a first partition board 5 and a second partition board 6; the corrugated board 2 can play a waterproof role by coating the surface of the base paper;

s06, pressing the paperboard: placing first corrugated paper 8 and a first pressure resisting pipe 9 between the manufactured upper paperboard 3 and the first partition board 5, placing second corrugated paper 10 and a second pressure resisting pipe 11 between the lower paperboard 4 and the second partition board 6, placing a honeycomb-shaped vertical paper pipe 7 between the first partition board 5 and the second partition board 6, and pressing by a pressing machine to obtain the corrugated paperboard 2;

S07, printing graphics: selecting an image-text printing plate, then transferring the printing ink to the corrugated board 2 by using an offset press, and drying the printing ink by using an ultraviolet spot lamp;

S08, cutting the paperboard: cutting the mounted corrugated board 2 according to the geometric shape by using a die cutting blade on a die cutting machine;

S09, slotting the paperboard: cutting a slit groove which enables the upper rocking cover and the lower rocking cover to be smoothly folded on the corrugated board 2 by using a grooving machine, and then carrying out right-angle cutting on a joint of the carton;

S10, adhesive paperboard: and (3) making the cut corrugated board 2 into a corrugated carton through nailing, bonding or adhesive tape splicing.

further, the raw paper used for preparing the corrugated paper carton is added with nano-filler, the nano-filler is a compound taking nano Ti0 and polyolefins as a matrix, the weight ratio of each component of the nano-filler is Ti 025-55%, the weight ratio of the polyolefin as the matrix is 55-85%, and the addition amount of the nano-filler is 3% -9% of the weight of the raw paper.

in summary, according to the above technical solution of the present invention, by arranging the first corrugated paper 8 and the first pressure resisting pipe 9 between the upper paper board 3 and the first separating board 5, and arranging the second corrugated paper 10 and the second pressure resisting pipe 11 between the lower paper board 4 and the second separating board 6, the support force of the corrugated paper is enhanced by the semicircular arc structure, so as to better support the upper paper board 3 and the lower paper board 4, by arranging the first pressure resisting pipe 9 and the second pressure resisting pipe 11 having the hollow structure with the vertical cross-sectional shape of a regular hexagon, the pressure resistance of the corrugated paper is increased, and the pressure resistance of the upper paper board 3 and the lower paper board 4 is also enhanced by the hexagonal structure, and at the same time, the first pressure resisting pipe 9 and the second pressure resisting pipe 11 are made of carbon fiber resin, so as to reduce the weight of the corrugated paper board 2 itself, so as to facilitate transportation, and the first separating board 5 and the second separating board 6 function to fix the corrugated paper and the pressure resisting pipes, the corrugated paper board has the advantages that the corrugated paper board can also play a role of reinforcing ribs, stress points are provided for corrugated paper and compression-resistant pipes, and the corrugated paper board can also play a role of firmness, glue 13 is filled between the first partition board 5 where the first corrugated paper 8 and the first compression-resistant pipe 9 are located and the upper paper board 3, and between the second partition board 6 where the second corrugated paper 10 and the second compression-resistant pipe 11 are located and the lower paper board 4 respectively, so that the firmness degree between the upper paper board 3 and the first corrugated paper 8 and between the first compression-resistant pipe 9 can be increased, the firmness degree between the lower paper board 4 and the second corrugated paper 10 and between the second compression-resistant pipes 11 can be increased, and the overall strength of the corrugated; a plurality of paper tubes 7 which are closely arranged are arranged between the first partition plate 5 and the second partition plate 6 in the vertical direction and are used as a bearing body in the middle of the corrugated board 2, so that the internal and external compressive strengths of the corrugated board 2 are balanced, and the overall strength of the corrugated board 2 is further enhanced. Therefore, the corrugated case is prevented from being extruded and deformed or damaged, the service life of the corrugated case is prolonged, the safety of articles in the corrugated case is protected, the loss is reduced, and the economic benefit is improved.

it will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.