CN211196957U

CN211196957U - Degradable high-strength packaging box

Info

Publication number: CN211196957U
Application number: CN201921922017.7U
Authority: CN
Inventors: 林新华
Original assignee: Baixin Fujian New Material Technology Co ltd
Current assignee: Baixin Fujian New Material Technology Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-08-07
Anticipated expiration: 2029-11-08

Abstract

The utility model relates to a packing box of degradable high strength, including square type box body, lid, square type box body forms four sides of square type box body after folding along the broken line by the packing panel of a degradable high strength to splice the bonding each other of the side of two sides of head and the tail and enclose and close and form, packing panel includes degradable plastics foaming layer, tile arris form plant fiber layer and first degradable plastic layer and constitute, the side that degradable plastics foaming layer and tile arris form plant fiber layer are adjacent extends towards each recess in the tile arris form plant fiber layer, until implanting and being full of all the recess makes degradable plastics foaming layer and tile arris form plant fiber layer are as an organic whole, and the bead that degradable plastics foaming layer passes through each recess is connected with first degradable plastic layer. The utility model has the characteristics of good resiliency and compressive property possess intensity height, toughness good and economic environmental protection.

Description

Degradable high-strength packaging box

Technical Field

The utility model belongs to the technical field of the packing, concretely relates to packing box of degradable high strength.

Background

In the field of packaging sheets, a high demand is placed on the cushioning properties of the sheets, and it is required that the packaging sheets remain unbroken under strong impact, and corrugated cardboard has good cushioning properties as the most practical packaging material in recent years, but is easily deformed under a large static pressure for a long time. But the general corrugated cardboards are difficult to satisfy.

With the gradual deepening of the understanding of human beings on the living environment and the influence factors thereof, the environmental awareness of people is rapidly enhanced, and more strict limiting measures are adopted by a plurality of countries and regions in the world for the application of industries and products which destroy and pollute the ecological environment. At present, the cushioning packaging materials of various industrial products in the world are mostly made of polyolefin foaming materials, such as Expanded Polystyrene (EPS), polyvinyl chloride (PVC) and the like. The waste products of these materials have caused considerable environmental pollution due to their non-degradability and also the chlorofluorocarbon gases released during their production have caused considerable damage to the atmospheric ozone layer which humans are resistant to caring. Therefore, people have been searching for biodegradable lightweight packaging materials with cumin for many years. However, no ideal substitute has been found so far.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problem who exists among the prior art, the utility model provides a possess intensity height, good, the low and economic environmental protection's of toughness packing box of density, this packing plate has good resiliency and compressive property, even can not produce under long-time great static pressure yet and warp to realize through following technical scheme:

the degradable high-strength packing box comprises a square box body and a box cover, wherein the square box body is formed by folding a degradable high-strength packing plate along fold lines to form four side surfaces of the square box body, the packaging plate is formed by splicing, bonding and enclosing the side ends of the head side and the tail side, the packaging plate comprises a degradable plastic foaming layer and a first degradable plastic layer, a corrugated plant fiber layer is arranged between the degradable plastic foaming layer and the first degradable plastic layer, the side surface of the degradable plastic foaming layer adjacent to the corrugated plant fiber layer extends towards each groove in the corrugated plant fiber layer until all the grooves are implanted and filled, so that the degradable plastic foaming layer and the corrugated plant fiber layer are connected into a whole, and the degradable plastic foaming layer is connected with the first degradable plastic layer through the convex edge of each groove.

Preferably, the bottom and the port of the square box are respectively provided with a compression-resistant reinforcing member at the joint of every two adjacent side faces, and the compression-resistant reinforcing members are respectively distributed along the circumferential direction of the bottom and the port of the square box.

Preferably, the compression-resistant reinforcing piece consists of a first reinforcing strip and a second reinforcing strip which is integrally connected and perpendicular to the first reinforcing strip, and the compression-resistant reinforcing piece is fixedly connected with the side face of the box body through an adhesive layer.

Preferably, a second degradable plastic layer is arranged on the degradable plastic foaming layer, and the second degradable plastic layer is connected with the degradable plastic foaming layer through an adhesive layer.

Preferably, the degradable plastic foaming layer has a uniform pore structure, the pore diameter of the degradable plastic foaming layer is 0.1-5mm, and the density of the degradable plastic foaming layer is 0.05-0.15g/cm³。

Preferably, the degradable plastic foaming layer is formed by foaming P L A, PBAT or PBSA.

Preferably, the second degradable plastic layer is a PBAT film or a PC L film, and the first degradable plastic layer includes a PBAT layer, a P L a layer compounded on the surface of the PBAT layer, an adhesive layer compounded on the surface of the P L a layer, and a kraft layer compounded on the adhesive layer.

Preferably, the corrugated plant fiber layer is corrugated paper.

Preferably, the grooves in the corrugated paper are V-shaped grooves with included angles of 20-60 degrees.

The utility model discloses the beneficial effect who realizes does:

firstly, the side that packaging board that the packing box adopted plants degradable plastics foaming layer and tile arris form plant fiber layer adjacent is full of all recesses in the tile arris form plant fiber layer, make degradable plastics foaming layer and tile arris form plant fiber layer be connected as an organic whole, receive the impact effect at tile arris form plant fiber layer, or when receiving the effect of long-time static pressure, degradable plastics foaming layer can effectively provide supporting role and impact effect to tile arris form plant fiber layer, make this packaging board demonstrate good cushioning nature, high strength, toughness is good. Simultaneously, at the bottom of packing box and port portion department, set up resistance to compression reinforcement in every two adjacent side junctions circumference respectively for this packing box has good compressive property, even can not produce the deformation under long-time great static pressure.

Secondly, the packing box adopts the packing plate to contain by the plant fiber layer of tile arris form, has reduced the bulk density of packing plate on the one hand, has also reduced the dead weight of box on the other hand, also gives the effectual shock resistance and good cushioning nature of packing box.

Finally, the utility model is fully biodegradable, and meets the requirement of circular economy.

Drawings

Fig. 1 is a schematic diagram of a degradable high-strength packaging box.

Fig. 2 is a schematic view showing the distribution positions of the compression-resistant reinforcing members in the packing box.

Fig. 3 is a schematic view of the structure of the compression reinforcement.

Fig. 4 is a schematic structural diagram of the degradable high-strength packaging board.

Fig. 5 is another structural schematic diagram of the degradable high-strength packaging board.

Fig. 6 is a schematic structural view of a first degradable plastic layer.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to the accompanying drawings 1-6, the degradable high-strength packing box of the present invention comprises a square box body and a box cover, wherein the square box body is formed by folding a degradable high-strength packing plate along a folding line to form four sides of the square box body, including a side 101, a side 102, a side 103 and a side 104, and splicing, bonding and enclosing the side ends of the two sides, the packing plate comprises a degradable plastic foaming layer 2 and a first degradable plastic layer 3, a corrugated plant fiber layer 1 is arranged between the degradable plastic foaming layer 2 and the first degradable plastic layer 3, specifically, the corrugated plant fiber layer 1 is corrugated paper, the groove in the corrugated paper is a V-shaped groove formed by an included angle 5 of 20-60 degrees, specifically, the degradable plastic foaming layer 2 is formed by foaming P L A, PBAT or PBSA, a uniform pore structure is arranged in the degradable plastic foaming layer 2, the pore diameter is 0.1-5mm, and the density is 0.05-0.15 g/cm/g/cm³。

Even can not produce the deformation under long-time great static pressure for making the packing box, have good compressive property, the utility model discloses bottom and the port portion department of square type box body set up resistance to compression reinforcement 105 respectively in per two adjacent side junctions, resistance to compression reinforcement 105 follows respectively bottom, the port portion circumference of square type box body distributes. Specifically, the compression-resistant reinforcing member is composed of a first reinforcing strip 105a and a second reinforcing strip 105b which is integrally connected with and perpendicular to the first reinforcing strip, and the compression-resistant reinforcing member 105 is fixedly connected with the side face of the box body through an adhesive layer.

Specifically, the first degradable plastic layer 3 comprises a PBAT layer 31, a P L A layer 32 compounded on the surface of the PBAT layer 31, a binder layer 33 compounded on the surface of the P L A layer 32, and a kraft layer 34 compounded on the binder layer 33, wherein the PBAT layer 31 provides barrier performance and has excellent toughness, the P L A layer 32 has excellent hardness and strength but is brittle and poor in impact resistance, the advantages of the two layers are complementary in compounding connection, and the kraft layer 34 facilitates printing of various patterns on the kraft layer when the packaging board is applied.

The corrugated plant fiber layer 1 has a structure characterized in that the corrugated plant fiber layer has a plurality of V-shaped grooves formed by reciprocating folding, wherein the V-shaped grooves, such as the V-shaped groove 1a, the V-shaped groove 1b and the V-shaped groove 1c, are opposite to the adjacent V-shaped grooves of the degradable plastic foaming layer 2. The technical benefits of using the corrugated plant fiber layer are that on one hand, the bulk density of the packaging board is reduced, and on the other hand, effective impact resistance is given.

The structure of the utility model is characterized in that the side surface of the degradable plastic foaming layer 2 adjacent to the corrugated plant fiber layer 1 extends towards each groove in the corrugated plant fiber layer, e.g. towards the V-shaped groove 1a, the V-shaped groove 1b and the V-shaped groove 1c respectively until the V-shaped groove 1a, the V-shaped groove 1b and the V-shaped groove 1c are implanted and filled, thereby connecting the degradable plastic foaming layer 2 and the corrugated plant fiber layer 1 into a whole, the technical benefit is that when the corrugated plant fiber layer is impacted or pressed for a long time, the degradable plastic foaming layer can effectively provide a supporting function and an impact resistance function for the corrugated plant fiber layer, the packaging plate shows good buffering performance, high strength and good toughness, and the packaging plate can not deform even under large static pressure for a long time.

In addition, the degradable plastic foaming layer 2 is connected with the first degradable plastic layer 3 through the convex edge of each groove.

The utility model discloses the connection between each layer can adopt the adhesive layer veneer to connect, if connect each structural layer as an organic whole through aqueous adhesive.

As another embodiment of the utility model, set up second degradable plastic layer 4 on the degradable plastics foaming layer 2, specifically, the second degradable plastic layer is PBAT membrane or PC L membrane, second degradable plastic layer 4 is connected with degradable plastics foaming layer 2 through the adhesive linkage equally, degradable plastics foaming layer 2 can provide the guard action to degradable plastics foaming layer 2 on the one hand, and on the other hand has improved the liquid separation nature, avoids degradable plastics foaming layer to lose support and cushioning effect because of absorbing water.

The utility model has low density and full biodegradation, and meets the requirement of circular economy.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides a packing box of degradable high strength, includes square type box body, lid, four sides that the square type box body formed the square type box body after folding along the broken line by the packing panel of a degradable high strength to splice the bonding each other of the side of two sides of head and the tail and enclose and close its characterized in that: packaging plate includes degradable plastics foaming layer and first degradable plastic layer be provided with tile arris form plant fiber layer between degradable plastics foaming layer, the first degradable plastic layer, degradable plastics foaming layer extends towards each recess in the tile arris form plant fiber layer with the adjacent side of tile arris form plant fiber layer, until implanting and be full of all the recess makes degradable plastics foaming layer is connected as an organic wholely with tile arris form plant fiber layer, and the bead that degradable plastics foaming layer passes through each recess is connected with first degradable plastic layer.

2. The degradable high-strength packaging box according to claim 1, wherein: and the bottom and the port part of the square box body are respectively provided with a compression-resistant reinforcing piece at the joint of every two adjacent side surfaces, and the compression-resistant reinforcing pieces are respectively distributed along the circumferential direction of the bottom and the port part of the square box body.

3. The degradable high-strength packaging box according to claim 2, wherein: the compression-resistant reinforcing piece is composed of a first reinforcing strip and a second reinforcing strip which is integrally connected with the first reinforcing strip and perpendicular to the first reinforcing strip, and the compression-resistant reinforcing piece is fixedly connected with the side face of the box body through an adhesive layer.

4. The degradable high-strength packaging box according to claim 1, wherein: and a second degradable plastic layer is arranged on the degradable plastic foaming layer and is connected with the degradable plastic foaming layer through an adhesive layer.

5. The degradable high-strength packaging box according to claim 1, wherein: the degradable plastic foaming layer has a uniform pore structure, the pore diameter of the degradable plastic foaming layer is 0.1-5mm, and the density of the degradable plastic foaming layer is 0.05-0.15g/cm³。

6. The degradable high-strength packaging box of claim 5, wherein the degradable plastic foaming layer is formed by foaming P L A, PBAT or PBSA.

7. The degradable high-strength packaging box according to claim 4, wherein the second degradable plastic layer is a PBAT film or a PC L film, and the first degradable plastic layer comprises a PBAT layer, a P L A layer compounded on the surface of the PBAT layer, a binder layer compounded on the surface of the P L A layer, and a kraft paper layer compounded on the binder layer.

8. The degradable high-strength packaging box according to any one of claims 1 to 6, wherein: the corrugated plant fiber layer is corrugated paper.

9. The degradable high-strength packaging box according to claim 8, wherein: the grooves in the corrugated paper are V-shaped grooves with included angles of 20-60 degrees.