CN111115000A

CN111115000A - Packaging box and production method thereof

Info

Publication number: CN111115000A
Application number: CN202010027447.3A
Authority: CN
Inventors: 李朝辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-05-08

Abstract

The invention discloses a packing box and a production method thereof. According to the invention, the box body and the box cover are tightly combined together through the edge sealing structure, the tearing part needs to be torn, the box body and the box cover can be separated only after the edge sealing structure is damaged, the safety performance is high, the packaging box can not be restored after being opened, and the safety of objects in the packaging box can be effectively ensured.

Description

Packaging box and production method thereof

Technical Field

The invention belongs to the technical field of food packaging, and particularly relates to a packaging box and a production method thereof.

Background

With the acceleration of modern life rhythm of people, people have more and more increased demand on instant food, and after people basically saturate demand on western fast food hamburgers and cakes in trips such as trips, outdoor operations and the like, Chinese rice and flour which are suitable for popular tastes become preferred of people, and Asian people are more accustomed to Chinese rice and various dishes. Therefore, people have requirements on the quality of modern life, and not only are Chinese fast food convenient to carry, but also more demand for catering with warm mouthfeel.

The existing instant food is heated by microwave quickly, so that the instant food is suitable for being used at home and is inconvenient to carry on planes, trains and outdoor catering. The appearance of self-heating food greatly makes things convenient for the heating needs of people to food outside being at home, and current self-heating food's heating method is put into interior box to food, then puts into heating material in the box of outer, and common composition is calcium carbonate, mixes water in the inside of outer box, covers the lid, and water and heating material produce the chemical reaction and emit a large amount of heats (actual temperature can reach 100 ℃) the food of heating interior box. Present self-heating food package box adopts box body and the mutual lid of lid to close the temperature mode, and reuse packaging film wraps up, and this design has following drawback: the safety performance is poor, the self-heating food packaging box can be easily restored after being opened, whether the self-heating food packaging box is disassembled by a person or not is not easy to be found, and the safety of the articles in the self-heating food packaging box cannot be guaranteed; in addition, the self-heating food packaging box is wrapped by the packaging film, so that the packaging process is increased, the production cost of the self-heating food packaging box is relatively increased, and the packaging film is greatly used, so that the energy conservation and the environmental protection are not enough.

Disclosure of Invention

In order to solve the problems in the prior art, the invention aims to provide a packaging box and a production method thereof, the packaging box has high safety performance, the packaging box cannot be restored after being opened, and the safety of articles in the packaging box can be effectively ensured.

The technical scheme adopted by the invention is as follows: the utility model provides a packing box, includes box body and lid, the box body top is equipped with the edge banding structure that the round closely cooperates with the lid, edge banding structure is equipped with the portion of tearing.

As a preferred mode, the banding structure includes annular catching groove, the outside of annular catching groove is equipped with first annular banding strip, the edge of box cover be equipped with the annular catching groove adaptation the annular banding strip, and the edge of annular catching strip with first annular banding strip closely cooperates.

As a preferred mode, the annular buckling strip is U-shaped, a second annular edge sealing strip is arranged on the outer side of the annular buckling strip, a limiting convex strip is arranged on the inner wall of the first annular edge sealing strip, and the limiting convex strip and the second annular edge sealing strip are mutually abutted.

Preferably, an annular flange is arranged on the inner side of the annular buckling groove, and an annular groove matched with the annular flange is arranged on the inner side of the annular buckling strip.

Preferably, the first annular edge band is provided with a first notch, the first notch is provided with the tearing part, and a tearing line is arranged at the joint of the tearing part and the first annular edge band.

Preferably, the tearing portion is provided with a tearing ear.

Preferably, the annular flange is provided with a handle portion, and the handle portion is provided with a reinforcing rib.

As a preferred mode, the box body is provided with a containing groove, a boss is arranged in the containing groove, the inner box is placed on the boss, and the boss is provided with a reinforcing groove.

Preferably, the box cover is provided with an air vent, the box body is provided with a connecting strip, and the end part of the connecting strip is provided with a buckle head matched with the air vent.

Preferably, a spoon is arranged on the inner side of the box cover, and the spoon is mounted on the inner wall of the box cover through a buckle structure.

The other technical scheme adopted by the invention is as follows: a production method of a packaging box comprises the following steps:

s1, preparing in-mold labeling, and raw materials of the box body and the box cover, wherein the raw materials comprise one or two of PP materials and PE materials;

s2, conveying the in-mold label into the injection mold cavity by using a manipulator;

and S3, closing the upper die and the lower die of the injection mold, injecting the raw materials into the cavity of the injection mold, and performing injection molding to obtain the box body and the box cover.

The invention has the beneficial effects that:

1. the invention provides a packing box, wherein a box body and a box cover are tightly combined together through a sealing edge structure, a tearing part needs to be torn, and the box body and the box cover can be separated only after the sealing edge structure is damaged. The invention has high safety performance, the packaging box can not be restored after being opened, and the safety of the articles in the packaging box can be effectively ensured.

2. The annular buckle strip is U-shaped, the second annular edge sealing strip is arranged on the outer side of the annular buckle strip, the limiting convex strip is arranged on the inner wall of the first annular edge sealing strip, the annular buckle strip of the box cover is inserted into the annular buckle groove of the box body, the outer wall of the second annular edge sealing strip is tightly attached to the stable inner wall of the first annular edge sealing strip, and meanwhile the limiting convex strip supports the top of the second annular edge sealing strip, so that the second annular edge sealing strip is limited to the inner side of the first annular edge sealing strip, and the box cover can be effectively prevented from being easily opened.

3. The inner side of the annular buckle groove is provided with an annular flange, and the inner side of the annular buckle strip is provided with an annular groove matched with the annular flange. The annular buckling strip of the box cover is inserted into the annular buckling groove of the box body, and the annular flange of the box body is inserted into the annular groove of the box cover, so that the connection stability of the box cover and the box body can be improved, and the sealing performance of the box cover and the box body is enhanced. This structure can realize good sealed effect between box body and the lid, and it need not to use the packaging film to pack, has reduced the packaging process of packaging film, has reduced the manufacturing cost of packing carton, has improved production efficiency, and is energy-concerving and environment-protective moreover.

4. The box cover is provided with the vent hole, the box body is provided with the connecting strip, the end part of the connecting strip is provided with the buckle head matched with the vent hole, the buckle head is plugged into the vent hole to block the vent hole, the sealing effect of the box cover can be enhanced, and meanwhile, the connecting strip can apply pressure to the box cover to increase the sealing effect of the box cover and the box body.

5. The invention provides a production method of a packing box, which can transfer the good plane printing effect to the surface of a complex packing box, and the method is easy to realize automatic production and improves the production efficiency.

Drawings

FIG. 1 is a schematic structural view of a package provided by the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic front view of a box body in the packing box according to the present invention;

FIG. 4 is a schematic view of a back structure of a box body in the packing box provided by the present invention;

FIG. 5 is a schematic view of the structure of the lid of the packing box according to the present invention;

in the figure: 1-box body; 2-a box cover; 3-a tear-off portion; 4-annular catching groove; 5-a first annular edge band; 6-annular buckling strips; 7-a second annular edge band; 8-limiting convex strips; 9-an annular flange; 10-an annular groove; 11-a tear line; 12-tearing and pulling the lug; 13-a handle part; 14-reinforcing ribs; 15-accommodating the tank; 16-a boss; 17-an inner box; 18-a reinforcement groove; 19-a vent hole; 20-a connecting strip; 21-snap head.

Detailed Description

As shown in fig. 1 and 2, this embodiment provides a packing box, including box body 1 and

lid

2, 1 top of box body is equipped with the banding structure that the round closely cooperates with lid 2, the banding structure is equipped with tearing portion 3. The banding structure is in the same place box body 1 and lid 2 zonulae occludens, need tear tearing portion 3, destroys the banding structure, just can separate box body 1 and lid 2. The invention has high safety performance, the packaging box can not be restored after being opened, and the safety of the articles in the packaging box can be effectively ensured.

As shown in fig. 3 and 4, in one embodiment, the edge sealing structure includes an annular groove 4, a first annular edge sealing strip 5 is disposed on an outer side of the annular groove 4, an annular edge sealing strip 6 adapted to the annular groove 4 is disposed on an edge of the box cover 2, and an edge of the annular edge sealing strip 6 is tightly fitted with the first annular edge sealing strip 5. The lid 2 covers at box body 1 top, and annular profile 6 of lid 2 inserts in the annular catching groove 4 of box body 1, and first annular banding strip 5 restricts annular profile 6 simultaneously, makes box body 1 and lid 2 combined closely.

As shown in fig. 5, in one embodiment, the annular buckle strip 6 is U-shaped, and a second annular edge sealing strip 7 is disposed on an outer side of the annular buckle strip 6, and a circle of limiting protruding strip 8 is disposed on an inner wall of the first annular edge sealing strip 5, and the limiting protruding strip 8 and the second annular edge sealing strip 7 abut against each other. The diameter of first annular banding strip 5 slightly is greater than the diameter of second annular banding strip 7, the diameter of spacing sand grip 8 slightly is less than the diameter of second annular banding strip 7, annular buckle strip 6 of lid 2 inserts in the annular catching groove 4 of box body 1, the outer wall of second annular banding strip 7 is closely laminated with the stable inner wall of first annular banding strip 5, spacing sand grip 8 supports the top of second annular banding strip 7 simultaneously and keeps off, thereby with the restriction of second annular banding strip 7 in the inboard of first annular banding strip 5, it can effectually prevent that lid 2 from being opened easily.

In one embodiment, the inside of the annular groove 4 is provided with an annular flange 9, and the inside of the annular buckle strip 6 is provided with an annular groove 10 matched with the annular flange 9. The annular buckling strip 6 of the box cover 2 is inserted into the annular buckling groove 4 of the box body 1, and the annular flange 9 of the box body 1 is inserted into the annular groove 10 of the box cover 2, so that the connection stability of the box cover 2 and the box body 1 can be improved, and the sealing performance of the box cover 2 and the box body 1 is enhanced. This structure can realize good sealed effect between box body 1 and the lid 2, and it need not to use the packaging film to pack, has reduced the packaging process of packaging film, has reduced the manufacturing cost of packing carton, has improved production efficiency, and is energy-concerving and environment-protective moreover.

In one embodiment, the first annular edge sealing strip 5 is provided with a first notch, the first notch is provided with the tearing portion 3, and a tearing line 11 is arranged at the joint of the tearing portion 3 and the first annular edge sealing strip 5. The first annular edge strip 5 limits the box cover 2, and under the condition that the first annular edge strip 5 is not damaged, the box cover 2 cannot be separated from the box body 1. When the box cover is used, a user pulls the tearing part 3 with force to destroy the first annular edge sealing strip 5, and then the box cover 2 can be taken out.

In one embodiment, the annular groove 4 is provided with a second gap, the first gap and the second gap are communicated with each other, the tearing portion 3 fills the first gap and the second gap, and the tearing line 11 is provided at the joint of the tearing portion 3 and the first annular edge sealing strip 5 and the annular groove 4 respectively.

In one embodiment, the tearing portion 3 is provided with a tearing ear 12, and a user can conveniently pull the tearing portion 3 to open the box cover 2 by grasping the tearing ear 12.

In one embodiment, the annular flange 9 is provided with a handle portion 13, the handle portion 13 being provided with a reinforcement rib 14. The annular flange 9 has a pair of handle portions 13, and the pair of handle portions 13 are symmetrically arranged for facilitating access to the package. The strengthening ribs are arranged on the bottom surface of the handle part 13 and fixed on the outer wall of the box body 1, so that the strength of the handle part 13 is improved. The annular groove 10 is also provided with a groove part matched with the handle part 13, which can increase the contact area of the annular flange 9 and the annular groove 10 and improve the connection strength of the box cover 2 and the box body 1.

In one embodiment, the box body 1 is provided with a receiving groove 15, a boss 16 is arranged in the receiving groove 15, an inner box 17 is placed on the boss 16, and a reinforcing groove 18 is formed on the boss 16. Interior box 17 is laid on boss 16, and interior box 17, box body 1 and lid 2 all adopt nontoxic food level PP material to make, and interior box 17, box body 1 and lid 2 constitute self-heating food package box jointly, and it possesses all functions of ordinary self-heating food box, puts into box body 1 with water earlier during the use in, puts into interior box 17 again, adds food in interior box 17, covers lid 2 again, and the heating package produces the heat and heats the food in interior box 17. This packing carton simple structure, convenient to use has improved the security of packing carton, has also compromise the volume rate of utilization of packing carton simultaneously.

In one embodiment, a spoon is arranged on the inner side of the box cover 2, and the spoon is mounted on the inner wall of the box cover 2 through a buckle structure. The inner wall of the box cover 2 is provided with a clamping column, the handle of the spoon is provided with a clamping hole, and the clamping hole is matched with the clamping column, so that the spoon is installed on the inner side of the box cover 2.

In one embodiment, the box cover 2 is provided with a vent hole 19, and the vent hole 19 is convenient for discharging water vapor generated by the heating bag. The top of the box body 1 is provided with a connecting strip 20, the end part of the connecting strip 20 is provided with a buckle head 21 matched with the vent hole 19, and the buckle head 21 can prevent dust from entering the box body 1 through the vent hole 19. Connecting strip 20 and buckle head 21 all use plastics to make, and connecting strip 20 and buckle head 21 integrated into one piece, buckle head 21 fill in air vent 19 and plug up air vent 19, can strengthen the sealed effect of lid 2, and connecting strip 20 can exert pressure to lid 2 simultaneously, increases lid 2 and the sealed effect of box body 1.

In one embodiment, the method of manufacturing the package comprises the steps of:

s1, preparing in-mold labels and raw materials of the box body 1 and the box cover 2, wherein the box body 1 and the box cover 2 usually adopt PP materials as raw materials, and the box body 1 and the box cover 2 respectively adopt different in-mold labels, so that the attractiveness of the box body 1 and the box cover 2 can be improved.

And S2, feeding the in-mold label into the injection mold cavity by using a manipulator.

And S3, closing the upper die and the lower die of the injection mould, injecting the raw materials into the cavity of the injection mould, and performing injection molding to obtain the box body 1 and the box cover 2 respectively. And respectively carrying out injection molding on the box body 1 and the box cover 2 to obtain a finished box body 1 and a finished box cover 2. Because first annular edge banding 5 and second annular edge banding 7 have better ductility, cover box body 1 and lid 2 after the splendid attire is good from heating food and be in the same place, realize the sealed effect of box body 1 and lid 2.

The in-mold label is a brand-new label packaging form different from the traditional direct silk-screen printing, heat-shrinkable labels and adhesive labels, and has the following advantages: the anti-counterfeiting function of the product can be enhanced, and the brand protection requirement of high-standard enterprises can be met; the label is printed in the mould and is exquisite, can make effects such as radium-shine, aluminize, etc., make the packing grade of the product improve greatly; the form is novel and beautiful, the falling and the damage are not easy, and the water, the oil and the mildew are prevented; the sanitation and the safety of the packaged product are improved, and the environmental pollution caused by secondary printing and labeling is avoided; the comprehensive cost is obviously lower than that of the traditional label and direct silk-screen printing; has certain anti-counterfeiting effect; excellent recycling performance and no secondary pollution. The invention can transfer the plane printing effect to the surface of a complex packaging box, and the method is easy to realize automatic production and improves the production efficiency.

The present invention is not limited to the above-described alternative embodiments, and various other forms of products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the claims, and which the description is intended to be interpreted accordingly.

Claims

1. The utility model provides a packing box, includes box body (1) and lid (2), its characterized in that, box body (1) top is equipped with the edge sealing structure that the round closely cooperates with lid (2), the edge sealing structure is equipped with tears portion (3).

2. A package according to claim 1, wherein the edge sealing structure comprises an annular groove (4), a first annular edge sealing strip (5) is arranged on the outer side of the annular groove (4), an annular fastening strip (6) matched with the annular groove (4) is arranged on the edge of the box cover (2), and the edge of the annular fastening strip (6) is tightly matched with the first annular edge sealing strip (5).

3. A package as claimed in claim 2, wherein the annular fastening strip (6) is U-shaped, and a second annular edge strip (7) is provided on the outside of the annular fastening strip (6), and a limiting rib (8) is provided on the inner wall of the first annular edge strip (5), and the limiting rib (8) and the second annular edge strip (7) abut against each other.

4. A package as claimed in claim 3, characterized in that the inner side of the annular groove (4) is provided with an annular flange (9) and the inner side of the annular bead (6) is provided with an annular groove (10) adapted to the annular flange (9).

5. A package as claimed in claim 2, wherein the first annular edge strip (5) is provided with a first notch, the first notch is provided with the tearing portion (3), a tearing line (11) is provided at the joint of the tearing portion (3) and the first annular edge strip (5), and the tearing portion (3) is provided with a tearing lug (12).

6. A packet as claimed in claim 4, characterized in that said annular flange (9) is provided with a handle portion (13), said handle portion (13) being provided with stiffening ribs (14).

7. The packaging box according to claim 1, characterized in that the box body (1) is provided with a receiving groove (15), a boss (16) is arranged in the receiving groove (15), an inner box (17) is arranged on the boss (16), and a reinforcing groove (18) is arranged on the boss (16).

8. The packaging box according to claim 1, wherein the box cover (2) is provided with a vent hole (19), the box body (1) is provided with a connecting strip (20), and the end of the connecting strip (20) is provided with a buckle head (21) matched with the vent hole (19).

9. The packing box according to claim 1, wherein a spoon is provided at an inner side of the box cover (2), and the spoon is mounted at an inner wall of the box cover (2) by a snap structure.

10. A method of producing a package according to any one of claims 1 to 9, comprising the steps of:

s1, preparing in-mold labeling, and raw materials of the box body (1) and the box cover (2), wherein the raw materials comprise one or two of PP materials and PE materials;

and S3, closing the upper die and the lower die of the injection mold, injecting the raw materials into the cavity of the injection mold, and performing injection molding to obtain the box body (1) and the box cover (2).