阅读说明：本技术 一种瓦楞纸板及其加工工艺 (Corrugated board and processing technology thereof ) 是由 孙肇恩 孙鹏恩 于强 赵广忠 崔存房 丁状 丁卫星 于 2019-10-16 设计创作，主要内容包括：本发明涉及一种瓦楞纸板,其包括波浪形的瓦楞板和与瓦楞板胶接的两个面板,还包括沿面板宽度方向设置的多个横向纸板条,多个所述横向纸板条相互平行,每一所述横向纸板条厚度方向上的两侧均分别粘固于两个面板相对的一侧；包括沿面板长度方向设置的多个竖向纸板条,多个所述竖向纸板条相互平行,每一所述竖向纸板条厚度方向的两侧均分别粘固于两个面板相对的一侧；每一所述横向纸板条上均开设有供每一竖向纸板条嵌置的让位槽。本发明具有提高瓦楞纸板整体强度的效果。(The invention relates to a corrugated board, which comprises a wavy corrugated board, two panels glued with the corrugated board, and a plurality of transverse paperboard strips arranged along the width direction of the panels, wherein the transverse paperboard strips are parallel to each other, and two sides of each transverse paperboard strip in the thickness direction are respectively glued to one side of the two panels opposite to each other; the paperboard folding and unfolding device comprises a plurality of vertical paperboard strips arranged along the length direction of a panel, wherein the vertical paperboard strips are parallel to each other, and two sides of each vertical paperboard strip in the thickness direction are respectively adhered to one side of the two panels opposite to each other; each horizontal cardboard strip is provided with a yielding groove for embedding each vertical cardboard strip. The invention has the effect of improving the overall strength of the corrugated board.)

1. The utility model provides a corrugated container board, includes corrugated sheet (1) and two panels (2) that splice with corrugated sheet (1), its characterized in that: the paper board is characterized by further comprising a plurality of transverse paper board strips (3) arranged along the width direction of the panel (2), wherein the transverse paper board strips (3) are parallel to each other, and two sides of each transverse paper board strip (3) in the thickness direction are respectively adhered to one side, opposite to the two panels (2); the structure comprises a plurality of vertical paperboard strips (4) arranged along the length direction of a panel (2), wherein the vertical paperboard strips (4) are parallel to each other, and two sides of each vertical paperboard strip (4) in the thickness direction are respectively adhered to one side of the two panels (2) opposite to each other; each transverse cardboard strip (3) is provided with an abdicating groove (33) for each vertical cardboard strip (4) to be embedded.

2. A corrugated cardboard according to claim 1 wherein: the distance between every two adjacent transverse paperboard strips (3) is equal, and the distance between every two adjacent vertical paperboard strips (4) is equal.

3. A corrugated cardboard according to claim 2 wherein: each transverse cardboard strip (3) comprises two first side plates (31), one sides, far away from each other, of the two first side plates (31) are connected to the two panels (2) respectively, a plurality of first paper tubes (32) are arranged between the two first side plates (31), the first paper tubes (32) are uniformly distributed along the length direction of the first side plates (31), and the axial direction of each first paper tube (32) is perpendicular to the length direction of the first side plate (31); each vertical cardboard strip (4) all includes two second curb plates (41), two one side that second curb plate (41) kept away from each other is connected respectively in two panels (2), two be provided with a plurality of second fiber container (42) between second curb plate (41), and is a plurality of length direction evenly distributed, each of second fiber container (42) along second curb plate (41) the axial direction of second fiber container (42) is mutually perpendicular with the length direction of second curb plate (41).

4. A corrugated cardboard according to claim 3 wherein: camphor balls (5) are filled in the first paper tube (32) and the second paper tube (42).

5. A corrugated cardboard according to claim 1 wherein: two panel (2) all include cotton gauze (21), bonding glue film (22) and connect in cardboard layer (23) of bonding glue film (22) thickness direction upper both sides, the cotton gauze inlays in bonding glue film (22).

6. A corrugated board according to claim 5, wherein: a plurality of water-absorbent resin particles (221) are embedded in the adhesive layer (22), and the water-absorbent resin particles (221) are distributed in the meshes of the cotton gauze (21).

7. A corrugated board according to claim 6, wherein: each panel (2) also comprises two flame-retardant layers (24), and the two flame-retardant layers (24) are respectively positioned on one sides of the two paperboard layers (23) far away from the direction of the cotton gauze (21).

8. A corrugated board according to claim 7, wherein: each panel (2) further comprises two water-resistant layers (25), and the two water-resistant layers (25) are positioned on one sides of the two flame-retardant layers (24) far away from the direction of the paperboard layer (23).

9. A corrugated board according to claim 8, wherein: the waterproof layer (25) is adhered to the paperboard layer (23) through a waterproof film (251), and kraft paper (252) covers the surface of the waterproof film (251), wherein the waterproof film (251) is a PE film.

10. A process for processing corrugated cardboard as claimed in claims 1 to 9, characterized in that: the method comprises the following steps:

s01, preheating the corrugated medium paper, and pressing the preheated corrugated medium paper into a corrugated board (1);

s02, manufacturing a panel (2), namely coating a paper-plastic adhesive on the surface of one of the paper boards, covering a cotton gauze (21) on the glue-coated side of the paper board, scattering water-absorbent resin particles (221) on the glue-coated side of the paper board, flattening the water-absorbent resin particles (221) on the paper board to ensure that the water-absorbent resin is distributed in grids of the cotton gauze (21), then coating the paper-plastic adhesive on the flattened water-absorbent resin particles (221) again, and finally covering the other paper board on the flattened water-absorbent resin particles (221) to manufacture the panel (2), wherein the panel (2) sequentially comprises a paper board layer (23) made of the paper board, a bonding adhesive layer (22) formed by bonding the paper-plastic adhesive and a paper board layer (23) made of the paper board from top to bottom;

coating a water-based flame retardant on the surface of the paperboard layer (23) to form a flame retardant layer (24);

coating paper plastic on the surface of the flame retardant layer (24), then adhering a waterproof film (251) on the flame retardant layer (24), then coating the paper plastic on the surface of the waterproof film (251), and then adhering kraft paper (252) on the waterproof film (251);

the panel (2) is manufactured by sequentially arranging kraft paper (252), a waterproof film (251), a flame-retardant layer (24), a paperboard layer (23), an adhesive layer, the paperboard layer (23), the flame-retardant layer (24), the waterproof film (251) and the kraft paper (252) from top to bottom;

s03, manufacturing a transverse paperboard strip (3), cutting a paperboard into a plurality of first side plates (31) with the same size, and adhering two first side plates (31) and a plurality of first paper cylinders (32) together with paper and plastic cement to manufacture the transverse paperboard strip (3);

manufacturing a vertical paperboard strip (4), cutting a paperboard into a plurality of second side plates (41) with the same size, and adhering two second side plates (41) and a plurality of second paper cylinders (42) together by using paper plastics to manufacture the vertical paperboard strip (4);

s04, gluing a plurality of transverse paperboard strips (3) to one panel (2) by paper-plastic adhesive, wherein the distance between every two adjacent transverse paperboard strips (3) is equal; a yielding groove (33) for embedding the vertical cardboard strip (4) is cut on each transverse cardboard strip (3); then adhering a plurality of vertical paperboard strips (4) to the panel (2) by using paper plastics, so that each vertical paperboard strip (4) is perpendicular to each transverse paperboard strip (3) and is embedded in the abdicating groove (33);

adhering the plurality of corrugated boards (1) to the panel (2) with paper plastics respectively so as to be respectively in a grid-shaped area surrounded by the plurality of transverse paperboard strips (3) and the vertical paperboard strips (4);

and finally, adhering the other panel (2) to the corrugated board (1), the transverse paperboard strip (3) and the vertical paperboard strip (4) by using paper and plastic cement.

Technical Field

The invention relates to the technical field of corrugated paper processing, in particular to a corrugated board and a processing technology thereof.

Background

The corrugated board is also called corrugated board, is formed by bonding at least one layer of corrugated paper and one layer of box board paper, 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 corrugated board in the prior art is shown in fig. 1, and comprises two panels 2 and a corrugated board 1, wherein the two panels 2 are respectively positioned on two sides of the corrugated board 1 in the thickness direction, and the panels 2 are adhered to the corrugated board 1 through glue. The corrugated board in the prior art only supports the panel 2 through the corrugated board 1, has insufficient strength, and is easy to deform when being subjected to external force, so that the corrugated board needs to be improved.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a corrugated board which has the advantage of improving the strength.

The above object of the present invention is achieved by the following technical solutions:

a corrugated board comprises a wavy corrugated board, two panels which are glued with the corrugated board, and a plurality of transverse paperboard strips arranged along the width direction of the panels, wherein the transverse paperboard strips are parallel to each other, and two sides of each transverse paperboard strip in the thickness direction are respectively glued to one side of the two panels opposite to each other; the paperboard folding and unfolding device comprises a plurality of vertical paperboard strips arranged along the length direction of a panel, wherein the vertical paperboard strips are parallel to each other, and two sides of each vertical paperboard strip in the thickness direction are respectively adhered to one side of the two panels opposite to each other; each horizontal cardboard strip is provided with a yielding groove for embedding each vertical cardboard strip.

By adopting the technical scheme, the supporting framework for supporting the two side panels is formed by the transverse paperboard strips and the vertical paperboard strips, so that the overall compressive strength of the corrugated board is greatly improved, and the deformation caused by external force is reduced.

The invention is further configured to: the distance between every two adjacent transverse cardboard strips is equal, and the distance between every two adjacent vertical cardboard strips is equal.

Through adopting above-mentioned technical scheme, horizontal cardboard strip and vertical cardboard strip evenly distributed to make horizontal cardboard platform and vertical cardboard strip atress even, improve corrugated container board's whole compressive strength, strengthen corrugated container board and make the overall stability behind the carton.

The invention is further configured to: each transverse paper board strip comprises two first side plates, one sides, far away from each other, of the two first side plates are connected to the two panels respectively, a plurality of first paper tubes are arranged between the two first side plates and evenly distributed along the length direction of the first side plates, and the axial direction of each first paper tube is perpendicular to the length direction of the first side plate; each vertical cardboard strip all includes two second curb plates, two one side that the second curb plate kept away from each other is connected respectively in two panels, two be provided with a plurality of second fiber container between the second curb plate, it is a plurality of the length direction evenly distributed of second fiber container along the second curb plate, each the axial direction of second fiber container is mutually perpendicular with the length direction of second curb plate.

Through adopting above-mentioned technical scheme, horizontal cardboard strip has first curb plate and first fiber container to constitute, and first fiber container is cylindric, the required material of horizontal cardboard strip preparation that has significantly reduced, and simultaneously, cylindric second fiber container has good compressive strength, and then has improved the compressive strength of horizontal cardboard strip, and vertical cardboard strip of the same reason also has fine compressive strength to corrugated container board holistic compressive strength has been improved greatly.

The invention is further configured to: and camphor balls are filled in the first paper tube and the second paper tube.

By adopting the technical scheme, the camphor ball has good insect-proof, moth-proof and mildew-proof effects, so that the corrugated board has the insect-proof, moth-proof and mildew-proof effects.

The invention is further configured to: two the panel all includes cotton gauze, bonding glue film and connects in the cardboard layer of bonding glue film thickness direction upper both sides, cotton gauze inlays in bonding glue film.

By adopting the technical scheme, the cotton yarn net is formed by weaving a plurality of cotton yarns in a fishing net shape and is embedded in the adhesive layer, and the cotton yarn net has good tensile strength, so that the overall tensile strength of the panel is improved.

The invention is further configured to: a plurality of water-absorbent resin particles are embedded in the adhesive glue layer, and the water-absorbent resin particles are distributed in the grids of the cotton gauze.

By adopting the above technical scheme, the water-absorbent resin particles are distributed in the meshes of the cotton gauze 21, and the water-absorbent resin particles 221 have good water absorbency, thereby having a good moisture-proof effect on the panel 2.

The invention is further configured to: each panel still includes two fire-retardant layers, two fire-retardant layer is located two cardboard layers respectively and keeps away from one side in the cotton gauze direction.

Through adopting above-mentioned technical scheme, the fire behavior of panel is effectively improved in setting up of fire-retardant layer.

The invention is further configured to: each panel also comprises two water-resistant layers, and the two water-resistant layers are positioned on one sides of the two flame-retardant layers far away from the direction of the paperboard layer.

Through adopting above-mentioned technical scheme, the waterproof performance of panel is effectively improved in setting up of water-fast layer.

The invention is further configured to: the waterproof layer is adhered to the waterproof film on the paperboard layer, and the kraft paper covers the surface of the waterproof film, and the waterproof film is a PE film.

By adopting the technical scheme, the PE film is relatively soft, has good extensibility, is thin in thickness, is convenient to process and has a good waterproof effect; the kraft paper has high strength, so that the panel has high tensile strength, and in addition, the kraft paper also has good water resistance.

The second aim of the invention is realized by the following technical scheme:

the processing technology of the corrugated board comprises the following steps:

s01, preheating the corrugated medium paper, and pressing the preheated corrugated medium paper into a corrugated board;

s02, manufacturing a panel, namely coating a paper-plastic adhesive on the surface of one of the paper boards, covering a cotton gauze on the glued side of the paper board, scattering water-absorbent resin particles on the glued side of the paper board, spreading the water-absorbent resin particles on the paper board to distribute the water-absorbent resin in grids of the cotton gauze, then coating the paper-plastic adhesive on the spread water-absorbent resin particles again, and finally covering the other paper board on the spread water-absorbent resin particles to manufacture the panel;

coating a water-based flame retardant on the surface of the paperboard layer to form a flame retardant layer;

coating paper plastic on the surface of the flame-retardant layer, adhering the waterproof film to the flame-retardant layer, coating the paper plastic on the surface of the waterproof film, and adhering kraft paper to the waterproof film;

the panel is manufactured by sequentially arranging kraft paper, a waterproof film, a flame-retardant layer, a paperboard layer, an adhesive layer, a paperboard layer, a flame-retardant layer, a waterproof film and the kraft paper from top to bottom;

s03, manufacturing transverse paper board strips, namely cutting a paperboard into a plurality of first side plates with the same size, and adhering the two first side plates and a plurality of paper tubes together by using plastic cement to manufacture the transverse paper board strips;

manufacturing a vertical paperboard strip, namely cutting a paperboard into a plurality of second side plates with the same size, and adhering the two second side plates and a plurality of second paper tubes together by using paper-plastic adhesives to manufacture the vertical paperboard strip;

s04, gluing a plurality of transverse cardboard strips on one panel by paper and plastic, wherein the distance between every two adjacent transverse cardboard strips is equal; cutting an abdicating groove for embedding the vertical paperboard strips on each horizontal paperboard strip; then adhering the plurality of vertical paperboard strips to the panel by using paper and plastic cement, so that each vertical paperboard strip is perpendicular to each transverse paperboard strip and is embedded in the abdicating groove;

adhering the plurality of corrugated boards to the panel by paper and plastic cement respectively so as to enable the corrugated boards to be respectively arranged in a grid-shaped area formed by the plurality of transverse paperboard strips and the plurality of vertical paperboard strips;

and finally, fixing the other panel on the corrugated board, the transverse paperboard strip and the vertical paperboard strip by using paper-plastic adhesives.

By adopting the technical scheme, the supporting framework for supporting the two side panels is formed by the transverse paperboard strips and the vertical paperboard strips, so that the overall compressive strength of the corrugated board is greatly improved, and the deformation caused by external force is reduced.

In conclusion, the beneficial technical effects of the invention are as follows:

1. the transverse paperboard strips and the vertical paperboard strips form a supporting framework for supporting the two side boards, so that the overall compressive strength of the corrugated board is greatly improved, and the deformation of the corrugated board caused by external force is reduced;

2. the panel is including fire-retardant layer and water-fast layer, and fire-retardant layer makes the panel obtain good fire behavior, and water-fast layer comprises water proof membrane and kraft paper, not only makes the panel obtain good water proofness, has still improved the tensile strength of panel simultaneously.

Drawings

Fig. 1 is a schematic structural view of a corrugated cardboard in the prior art.

Fig. 2 is a schematic structural diagram of a corrugated board in the embodiment.

Fig. 3 is a schematic diagram for showing the relationship between the transverse cardboard strip and the vertical cardboard strip in the embodiment.

Fig. 4 is a cross-sectional view of the transverse cardboard strip in the embodiment.

Fig. 5 is a sectional view of the panel structure in the embodiment.

In the figure, 1, corrugated board; 2. a panel; 21. a cotton gauze net; 22. a bonding glue layer; 221. water-absorbent resin particles; 23. a paperboard layer; 24. a flame retardant layer; 25. a water-resistant layer; 251. a water-resistant film; 252. kraft paper; 3. a transverse cardboard strip; 31. a first side plate; 32. a first paper tube; 33. a yielding groove; 4. a vertical cardboard strip; 41. a second side plate; 42. a second paper tube; 5. and (4) camphor balls.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2 and 3, the corrugated board disclosed in the present invention comprises a plurality of corrugated boards 1 and two parallel panels 2; the structure is characterized by further comprising a plurality of mutually parallel transverse paperboard strips 3 arranged along the width direction of the panel 2, the length direction of each transverse paperboard strip 3 is perpendicular to the width direction of the panel 2, the distance between every two adjacent transverse paperboard strips 3 is 0.3m, and one side of each transverse paperboard strip 3 in the thickness direction is respectively adhered to the side, close to each other, of the two panels 2; the structure is characterized by further comprising a plurality of parallel vertical cardboard strips 4 arranged along the length direction of the panel 2, the length direction of each vertical cardboard strip 4 is perpendicular to the length direction of the panel 2, the distance between every two adjacent vertical cardboard strips 4 is 0.4m, and two sides of each vertical cardboard strip 4 in the thickness direction are respectively adhered to one side, close to each other, of the two panels 2; each transverse cardboard strip 3 is provided with an abdicating groove 33 for each vertical cardboard strip 4 to be embedded; the plurality of transverse cardboard strips 3 and the vertical cardboard strips enclose a plurality of placing areas for placing the corrugated boards 1, and both sides of each corrugated board 1 in thickness are adhered to one side of the two panels 2 close to each other.

Referring to fig. 4, each of the transverse cardboard strips 3 includes two first side plates 31, the two first side plates 31 are parallel to each other, one side of the two first side plates 31 away from each other is adhered to one side of the two panels 2 close to each other, a plurality of first cylindrical cardboard tubes 32 are adhered between the two first side plates 31 along the length direction thereof, the axial direction of the plurality of first cardboard tubes 32 is perpendicular to the length direction of the first side plates 31, and the radial direction is perpendicular to the width direction of the first side plates 31.

Referring to fig. 2, each of the vertical cardboard strips 4 includes two second side plates 41, the two second side plates 41 are parallel to each other, one sides of the two second side plates 41, which are far away from each other, are adhered to one sides of the two panels 2, which are close to each other, a plurality of second cylindrical cardboard tubes 42 are adhered between the two second side plates 41 along the length direction thereof, the axial direction of the plurality of second cardboard tubes 42 is perpendicular to the length direction of the second side plates 41, and the radial direction is perpendicular to the width direction of the second side plates 41.

Referring to fig. 2 and 4, the camphor balls 5 are filled in the walls of the first paper cylinder 32 and the second paper cylinder 42, and the camphor balls 5 have good insect-proof, moth-proof and mildew-proof effects.

Referring to fig. 2 and 5, each of the two panels 2 comprises a cotton gauze 21, a bonding adhesive layer 22 and a paperboard layer 23 connected to two sides of the bonding adhesive in the thickness direction, the bonding adhesive layer 22 is a paper-plastic bonding agent, the cotton gauze 21 is formed by weaving a plurality of cotton yarns in a fishing net shape and is embedded in the bonding adhesive layer 22, and the cotton gauze 21 has good tensile strength; the two panels 2 have the same composition structure, so that only one panel 2 is specifically described below.

Referring to fig. 5, a plurality of water-absorbent resin particles 221 are embedded in the adhesive layer 22, the water-absorbent resin particles 221 are distributed in the grid of the cotton gauze 21, and the water-absorbent resin particles 221 have good water absorption, so that a good moisture-proof effect is achieved on the panel 2.

Referring to fig. 5, the panel 2 further includes two flame retardant layers 24 respectively located on the sides of the two paperboard layers 23 far away from the cotton gauze 21, and the flame retardant layers 24 are water-based flame retardants coated on the surfaces of the paperboard layers 23, so that the panel 2 has good fire-retardant performance. The panel 2 also comprises two water-resistant layers 25, and the two water-resistant layers 25 are respectively adhered to one sides of the two flame-retardant layers 24 far away from the direction of the paperboard layer 23; each water-resistant layer 25 includes a waterproof film 251 adhered to the surface of the cardboard layer 23 and kraft paper 252 adhered to the surface of the waterproof film 251, the waterproof film 251 is preferably a PE film; the PE film is soft, has good extensibility, is thin in thickness, is convenient to process and has good waterproof effect; the kraft paper 252 has high strength, so that the panel 2 has high tensile strength, and in addition, the kraft paper 252 has good water resistance.

The processing technology of the corrugated board comprises the following steps:

s01, preheating the corrugated medium paper by a preheater, and pressing the preheated corrugated medium paper into a corrugated board 1 by a corrugating machine;

s02, manufacturing a panel 2, namely coating a paper-plastic adhesive on the surface of one of the paper boards through a gluing machine, covering a cotton gauze 21 on the glued side of the paper board, scattering water-absorbent resin particles 221 on the glued side of the paper board, spreading the water-absorbent resin particles 221 on the paper board to enable the water-absorbent resin to be distributed in grids of the cotton gauze 21, then coating the paper-plastic adhesive on the spread water-absorbent resin particles 221 again, and finally covering the other paper board on the spread water-absorbent resin particles 221 to manufacture the panel 2, wherein the panel 2 sequentially comprises a paper board layer 23 made of the paper board, a bonding adhesive layer 22 formed after the paper-plastic adhesive is bonded and the paper board layer 23 made of the paper board from top to bottom;

coating a water-based flame retardant on the surface of the paperboard layer 23 to form a flame retardant layer 24;

coating paper plastic on the surface of the flame retardant layer 24, then adhering the waterproof film 251 on the flame retardant layer 24, then coating paper plastic on the surface of the waterproof film 251, and then adhering the kraft paper 252 on the waterproof film 251;

the panel 2 is manufactured by sequentially arranging kraft paper 252, a waterproof film 251, a flame-retardant layer 24, a paperboard layer 23, an adhesive layer, the paperboard layer 23, the flame-retardant layer 24, the waterproof film 251 and the kraft paper 252 from top to bottom;

s03, manufacturing the transverse cardboard strip 3, namely cutting the cardboard into a plurality of first side plates 31 with the same size, and adhering the two first side plates 31 and the first paper tubes 32 together with paper and plastic to manufacture the transverse cardboard strip 3;

manufacturing a vertical paperboard strip 4, cutting a paperboard into a plurality of second side plates 41 with the same size, and adhering the two second side plates 41 and a plurality of second paper tubes 42 together by using paper plastics to manufacture the vertical paperboard strip 4;

s04, gluing a plurality of transverse cardboard strips 3 to one panel 2 by paper-plastic adhesive, wherein the distance between every two adjacent transverse cardboard strips 3 is equal; a yielding groove 33 for embedding the vertical cardboard strip 4 is cut on each transverse cardboard strip 3; then adhering a plurality of vertical cardboard strips 4 to the panel 2 by using paper plastics, so that each vertical cardboard strip 4 is perpendicular to each transverse cardboard strip 3 and is embedded in the abdicating groove 33;

adhering the corrugated boards 1 to the panel 2 with paper and plastic cement respectively so as to be respectively in a grid-shaped area formed by a plurality of transverse paperboard strips 3 and vertical paperboard strips 4;

finally, another panel 2 is adhered to the corrugated board 1, the transverse paperboard strips 3 and the vertical paperboard strips 4 by paper and plastic cement.

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