CN113044356A - High-tensile high-strength tearing-resistant molding packaging product and manufacturing method thereof - Google Patents

Abstract

The invention discloses a high-tensile high-strength tearing-resistant molded packaging product and a manufacturing method thereof. The inner shell and the outer shell are formed by paper pulp molding, two arc-shaped supporting ribs protruding inwards are arranged at the bottom of the inner side of the outer shell, an outer shell groove is formed in each arc-shaped supporting rib, an inner shell groove is formed in the position, corresponding to the outer shell groove, of the bottom of the inner shell, one end of a buffer block is arranged in each inner shell groove, the other end of the buffer block is arranged in each outer shell groove and is connected with the inner shell groove and the outer shell groove through the buffer block, and the top of the inner shell is connected with the top. Strip-shaped supporting bones are arranged at corresponding positions on the inner side of the inner shell where the grooves of the inner shell are located.

Description

High-tensile high-strength tearing-resistant molding packaging product and manufacturing method thereof

Technical Field

The invention relates to the field of packaging, in particular to a high-tensile high-strength tear-resistant molded packaging product and a manufacturing method thereof.

Background

At present, most of the pulp molding products at home and abroad are produced by adopting a single-layer pulp and one-step forming suction filtration process. At present, the country advocates that all convenience of packaging is green and environment-friendly and can be recycled, so that the existing pulp molding products mostly use plant fibers (including waste plant fibers such as bagasse) and waste paper boards and mixtures thereof as raw materials, after mincing and pulping, a mold is immersed into a pulp tank to be molded into a wet blank through vacuum suction filtration, and then the wet blank is subjected to hot pressing and shaping and drying to prepare a single-layer pulp molding product only containing one kind of pulp fibers, while the application range of the pulp molding product is limited by various defects of the pulp molding product, the appearance of the pulp molding product is not good enough, a plurality of characteristics are not excellent enough, particularly the buffer characteristic and the like are relatively poor, and the multi-layer pulp molding products are simply laminated together, so that the molding product is endowed with various different characteristics at most, but the molding product cannot change too much, and the complicated molding process will result in increased cost and efficiency.

Disclosure of Invention

The invention mainly aims to provide a high-tensile high-strength tearing-resistant molding packaging product with high tensile strength and good buffering performance and a manufacturing method thereof.

The invention provides a high-tensile high-strength tearing-resistant molded packaging product and a manufacturing method thereof, wherein the high-tensile high-strength tearing-resistant molded packaging product comprises an inner shell, a buffer block and an outer shell, the inner shell and the outer shell are molded by paper pulp, at least one buffer support bone is arranged at the bottom of the inner side of the outer shell, an outer shell groove is formed in the buffer support bone, an inner shell groove is formed in the position, corresponding to the outer shell groove, of the bottom of the inner shell, one end of the buffer block is arranged in the inner shell groove, the other end of the buffer block is arranged in the outer shell groove, the buffer block is connected with the inner shell groove and the outer shell groove, and the top of the.

Preferably, the buffer support bone is an arc support bone which is convex inwards.

Preferably, a strip-shaped supporting bone is arranged at a position corresponding to the inner side of the inner shell where the inner shell groove is located.

Preferably, the buffer block is a corrugated board.

Preferably, the corrugated cardboard includes a surface paper layer, a core paper layer, an inner paper layer, a first corrugated layer and a second corrugated layer, the core paper layer is disposed between the surface paper layer and the inner paper layer, the first corrugated layer is disposed between the surface paper layer and the core paper layer, and the second corrugated layer is disposed between the core paper layer and the inner paper layer.

Preferably, the first and second corrugated layers are U-shaped flutes.

A method for manufacturing a tearing-resistant molding packaging product with high tensile strength comprises the following process steps;

(1) pulping, wherein the preparation of the pulp of the shell comprises the following steps: selecting bagasse as a raw material, chopping and cleaning the bagasse with clear water, pulping the bagasse in a pulper, adding appropriate amount of water to prepare outer-layer pulp with the mass concentration of 0.5-2%, and preparing the pulp of the inner shell: selecting recycled waste paper, a paper box and a mixture of the recycled waste paper and the paper box as raw materials, chopping and cleaning the raw materials with clear water, pulping the raw materials in a pulper, and adding appropriate amount of water to prepare inner shell pulp with the mass concentration of 0.5-2%;

(2) grouting and plastic suction molding, namely respectively injecting the outer shell slurry and the inner shell slurry into two different molds, and then obtaining wet blanks of the outer shell and the inner shell in a vacuum suction filtration molding mode;

(3) and drying, namely drying the wet embryo of the outer shell and the inner shell to dry part of moisture in the wet embryo. So that the water content in the water-based paint is reduced to 8-15%;

(4) hot press molding, namely placing the dried wet blanks of the outer shell and the inner shell in an environment with the temperature of 90-100 ℃ and the pressure of 12-18MPa for hot press molding to obtain the final outer shell and the final inner shell;

(5) coating degradable environment-friendly glue on two ends of the buffer block, arranging one end of the buffer block in the groove of the outer shell, arranging one end of the buffer block in the groove of the inner shell, and connecting the outer shell and the inner shell through the buffer block;

(6) and arranging an elastic film at the joint of the tops of the outer shell and the inner shell to seal the joint of the outer shell and the inner shell, wherein the elastic film has certain ductility.

The high-tensile high-strength tearing-resistant molding packaging product and the manufacturing method thereof have the beneficial effects that:

1. the bagasse is used as shell slurry and is manufactured in a paper pulp molding mode, so that the strength of the shell can be improved, the bagasse can be recycled in an environment-friendly mode, and the cost is saved. Different plant fibers can be used according to requirements during actual production.

2. Through the design that uses inner shell and shell to be provided with the buffer block between inner shell and shell, the cushion effect and the shock resistance that can effectual improvement packaging product, thereby improve the holistic intensity of packaging product.

3. The arc-shaped supporting ribs are arranged on the bottom of the shell, so that the supporting capacity and the buffering capacity of a packaged product can be improved.

Drawings

FIG. 1 is a top view of a high tensile, high strength, tear resistant molded packaging article of the present invention and a method of making the same;

FIG. 2 is a cross-sectional view of a high tensile, high strength, tear resistant molded packaging article and method of making the same in accordance with the present invention;

FIG. 3 is a diagram of a cushion block of the high tensile, high strength, tear resistant molded packaging article of the present invention and method of making the same;

reference numbers in the figures: 1. outer shell, 2, inner shell, 3, buffer block, 4, elastic membrane.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, an embodiment of the high tensile, high strength, tear resistant molded packaging article of the present invention and method of making the same is presented:

a high-tensile high-strength tearing-resistant molded packaging product comprises an inner shell 2, a buffer block 3, an outer shell 1 and an elastic film 4.

The inner shell 2 and the outer shell 1 are formed by paper pulp molding, two arc-shaped supporting ribs which are convex inwards are arranged at the bottom of the inner side of the outer shell 1, an outer shell groove is formed in each arc-shaped supporting rib, an inner shell groove is formed in the position, corresponding to the outer shell groove, of the bottom of the inner shell 2, one end of each buffer block 3 is arranged in each inner shell groove, the other end of each buffer block 3 is arranged in each outer shell groove and is connected with the inner shell groove and the outer shell groove through the corresponding buffer block 3, and the top of the inner shell is connected. Strip-shaped supporting bones are arranged at corresponding positions on the inner side of the inner shell 2 where the grooves of the inner shell are positioned.

Buffer block 3 is a corrugated container board, and corrugated container board includes surface paper layer, core paper layer, interior paper layer, first flute layer and second flute layer, and core paper layer sets up between surface paper layer and interior paper layer, and first flute layer sets up between surface paper layer and core paper layer, and the second flute layer sets up between core paper layer and interior paper layer. The first corrugated layer and the second corrugated layer are both U-shaped ridges.

A manufacturing process of a high-tensile high-strength tearing-resistant molding packaging product comprises the following process steps:

(1) pulping: preparation of slurry for the housing 1: selecting bagasse as a raw material, chopping and cleaning the bagasse with clear water, pulping the bagasse in a pulper, adding appropriate amount of water to prepare outer-layer pulp with mass concentration of 0.5-2%, and preparing pulp of an inner shell 2: selecting recycled waste paper, a paper box and a mixture of the recycled waste paper and the paper box as raw materials, chopping and cleaning the raw materials with clear water, pulping the raw materials in a pulper, and adding appropriate amount of water to prepare inner shell pulp with the mass concentration of 0.5-2%;

(2) grouting and plastic suction molding, namely respectively injecting outer shell slurry and inner shell slurry into two different molds, and then obtaining wet blanks of the outer shell 1 and the inner shell 2 in a vacuum suction filtration molding mode;

(3) and (4) drying, namely drying the wet embryos of the outer shell 1 and the inner shell 2 to dry part of moisture in the wet embryos. So that the water content in the water-based paint is reduced to 8-15%;

(4) hot press molding, namely placing the dried wet blanks of the outer shell 1 and the inner shell 2 in an environment with the temperature of 90-100 ℃ and the pressure of 12-18MPa for hot press molding to obtain the final outer shell and inner shell;

(5) coating degradable environment-friendly glue on two ends of a buffer block 3, arranging one end of the buffer block 3 in a groove of an outer shell, arranging one end of the buffer block 3 in a groove of an inner shell, and connecting the outer shell 1 and the inner shell 2 through the buffer block;

(6) an elastic film 4 is arranged at the joint of the top parts of the outer shell 1 and the inner shell 2 to seal the joint of the outer shell 1 and the inner shell 1, and the elastic film 4 has certain extensibility.

The high-tensile high-strength tearing-resistant molding packaging product and the manufacturing method thereof have the beneficial effects that:

1. the bagasse is used as shell slurry and is manufactured in a paper pulp molding mode, so that the strength of the shell 1 can be improved, the bagasse can be recycled in an environment-friendly mode, and the cost is saved. Different plant fibers can be used according to requirements during actual production.

2. Through the design that uses inner shell 1 and shell 2 to be provided with buffer block 3 between inner shell 1 and shell 2, can effectual improvement packaging product's buffer capacity and shock resistance, thereby improve packaging product's holistic intensity.

3. The arc-shaped supporting ribs are arranged at the bottom of the shell 1, so that the supporting capacity and the buffering capacity of a packaged product can be improved.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.

Claims (7)

1. The utility model provides a resistant moulding packaging article that tears of high tensile high strength, its characterized in that, includes inner shell, buffer block and shell, the inner shell with the shell forms for the pulp moulding, be provided with the buffering support bone that is no less than one on the inboard bottom of shell, be provided with the shell recess on the buffering support bone, the inner shell bottom corresponds be provided with the inner shell recess on the position of shell recess, buffer block one end sets up in the inner shell recess, the other end sets up in the shell recess, and through the buffer block is connected the inner shell recess and the shell recess, the inner shell top with connect through elastic film on the shell top.

2. The high tensile strength tear resistant molded package article of claim 1 wherein said cushioning support bone is an inwardly convex curved support bone.

3. The high tensile strength tear resistant molded package article of claim 1 wherein said inner shell grooves are provided with strip-shaped support ribs at corresponding locations on the inside of said inner shell.

4. The high tensile, high strength, tear resistant molded package of claim 1 wherein the cushion block is a corrugated paperboard.

5. The high tensile, high strength, tear resistant molded package of claim 4 wherein the corrugated paperboard comprises a face paper layer, a core paper layer, a liner paper layer, a first corrugated layer disposed between the face paper layer and the liner paper layer, and a second corrugated layer disposed between the core paper layer and the liner paper layer.

6. The high tensile, high strength, tear resistant molded packaging article of claim 5 wherein the first and second corrugated layers are U-flute.

7. A method of making a high tensile, high strength, tear resistant molded package article, as defined in claim 1, wherein: comprises the following process steps;

(1) pulping, wherein the preparation of the pulp of the shell comprises the following steps: selecting bagasse as a raw material, chopping and cleaning the bagasse with clear water, pulping the bagasse in a pulper, adding appropriate amount of water to prepare outer-layer pulp with the mass concentration of 0.5-2%, and preparing the pulp of the inner shell: selecting recycled waste paper, a paper box and a mixture of the recycled waste paper and the paper box as raw materials, chopping and cleaning the raw materials with clear water, pulping the raw materials in a pulper, and adding appropriate amount of water to prepare inner shell pulp with the mass concentration of 0.5-2%;

(2) grouting and plastic suction molding, namely respectively injecting the outer shell slurry and the inner shell slurry into two different molds, and then obtaining wet blanks of the outer shell and the inner shell in a vacuum suction filtration molding mode;

(3) and drying, namely drying the wet embryo of the outer shell and the inner shell to dry part of moisture in the wet embryo. So that the water content in the water-based paint is reduced to 8-15%;

(4) hot press molding, namely placing the dried wet blanks of the outer shell and the inner shell in an environment with the temperature of 90-100 ℃ and the pressure of 12-18MPa for hot press molding to obtain the final outer shell and the final inner shell;

(5) coating degradable environment-friendly glue on two ends of the buffer block, arranging one end of the buffer block in the groove of the outer shell, arranging one end of the buffer block in the groove of the inner shell, and connecting the outer shell and the inner shell through the buffer block;

(6) and arranging an elastic film at the joint of the tops of the outer shell and the inner shell to seal the joint of the outer shell and the inner shell, wherein the elastic film has certain ductility.

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