CN211168171U - All-pulp molded top-bottom cover packaging box - Google Patents

Abstract

The utility model discloses a full pulp mould moulds world lid packing carton, packing carton include upper cover, well support and bottom, well support side buffering region as integrated into one piece that has, the middle part is cut apart and is placed regional box body structure, it sets up to the region of different shapes, size as required to cut apart to place different functional unit, the nearly border position in inboard of different regions can set up to the edge contact surface assorted interior concave surface with the placing object article, forms the screens of placing object article. The utility model discloses a full pulp mould is covered packing carton integrated into one piece all over, and the environmental protection is pleasing to the eye, has good location nature and cushioning nature.

Description

All-pulp molded top-bottom cover packaging box

Technical Field

The utility model relates to a mould technical field, concretely relates to full pulp moulding world lid packing carton.

Background

With the difference of appearance styles caused by the increase of the types of electronic products, each packaging box is also featured. In order to control the cost and improve the compression resistance, the cushioning property and the functionality of the packing box, manufacturers realize the improvement of the material selection and the structure of the packing box.

For example, chinese patent document CN105711923A discloses a packing box, which can reasonably utilize the internal space of the packing box and divide the inside of the box into a plurality of functional areas, but the packing box is formed by folding an integrated paperboard, and only the paperboard needs to be cut into a certain shape during manufacturing, and the later stage needs to be folded according to the folding rule, so that a large amount of manpower is needed, and the surface of the paper is usually bonded with a PP-like film material which cannot be degraded in the natural environment in consideration of the requirement of the packing box to have certain hardness, plasticity and aesthetic property. Referring to fig. 1 and 2, the portable electronic product packaging box comprises a top cover 1, a bottom cover 2 and an inner liner 3 in the box for placing an electronic product, wherein the inner liner 3 is a plastic tray, an article to be packaged and a specification thereof and the like are placed in the plastic tray, and plastic materials cannot be degraded in natural environment, so that a heavy burden of environmental protection is caused.

Some packing boxes on the market are manufactured by using gray board veneering paper through trivial processes such as edge cutting, V-shaped groove, blank combination, veneering paper reassembly and the like, and the packing box with the structure has the following defects: the process is complex and the production cost is high; the buffer performance is poor, and the buffer belt cannot be integrally formed due to the top and bottom cover, so that a good protection effect on placed products cannot be achieved; the positioning performance is poor, and the top and bottom covers and the middle support can not change along with the outer curved surface of the product and can only be positioned by filling fillers such as a paperboard and the like; the peripheral edges and corners are not smooth, and the appearance is not beautiful because the top and bottom cover can not be made into a circular arc angle.

The utility model aims at providing an environmental protection, simple process, good, the outward appearance aesthetic in appearance integrated into one piece's of shaping full pulp mould world lid packing carton.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an environmental protection, simple, the good, the outward appearance integrated into one piece's of shaping technology full pulp mould world lid packing carton and production method thereof of shock-absorbing capacity, location nature.

The utility model provides a pair of all-pulp moulding world lid packing carton, including upper cover, well support and the bottom that from top to bottom registrates each other, well support the box body structure that places region is cut apart to the side buffering region that has as integrated into one piece, middle part.

Optionally, the division placing areas are set to be areas with different shapes and sizes as required to place different functional components.

Optionally, the inner side near-edge positions of the different regions are provided with concave surfaces matched with the edge contact surfaces of the placed articles, so that the screens of the placed articles are formed.

Optionally, the bottom cover is a box body, the outer side surface of the box body is fixed with the inner side surface of the bottom of the middle support to form a middle support box with the bottom surface of the bottom cover and the side surfaces of the middle support exposed.

Optionally, the height of the side edge of the upper cover is equal to or higher than the height of the side edge of the middle support.

Optionally, the upper cover and the bottom cover are both of an integrally formed structure.

Optionally, the corners of the upper cover, the middle support and the bottom cover are set to be arc corners.

Optionally, the upper cover, the middle support and the bottom cover are all made of full-pulp materials.

Optionally, an inner surrounding strip is arranged on the inner side of the middle support.

The cushioning region of the integrally formed center rest is disposed between the pocket and the upper surface of the center rest. The buffer area can prevent the energy from being absorbed in the processes of transportation, falling and the like, and plays a role in protecting packaged products such as mobile phones and the like. In addition, a buffer gap is formed between the bottom cover of the middle support box and the middle support, and the buffer effect on products is also achieved.

For example, the mobile phone pocket, the charger pocket, the data line pocket, the specification pocket and the like which are supported by the packing box can be designed according to the appearance curved surface of the product, and the products such as the mobile phone, the charger and the data line can be accurately and well positioned.

The appearance of the all-pulp molding top and bottom cover packaging box can be designed into different round corners and curved surfaces, so that different exquisite appearances can be designed.

The utility model discloses a full pulp mould is covered packing carton technology all around and is realized mainly through shaping, rotary-cut limit, bonding, equipment. The paper pulp molding forming die comprises a pulp suction die, an extrusion die, a hot pressing die and a hot pressing net die, wherein only one side of the upper cover, the middle support and the bottom cover which are molded and contacted with the hot pressing die is smooth during hot pressing, and the side of the upper cover, the middle support and the bottom cover which are molded and contacted with the hot pressing net die is not smooth, so that the upper cover covers the middle support after the middle support and the bottom cover are assembled, and the exposed surface of the whole paper and plastic product is guaranteed to be a smooth surface.

The forming process of the all-pulp molding top-bottom cover packaging box specifically comprises the following steps:

(1) molding the paper pulp to obtain an upper cover semi-finished product with upper cover flash, and performing rotary cutting to remove the upper cover flash to obtain an upper cover;

(2) molding the paper pulp to obtain a semi-finished product of the middle support with the middle support flash, and removing the middle support flash by rotary cutting to obtain the middle support;

(3) molding the paper pulp to obtain a bottom cover semi-finished product with bottom cover flash, and performing rotary cutting to remove the bottom cover flash to obtain a bottom cover;

(4) the glue dispensing and bonding process comprises the steps that the middle support is placed in a glue dispensing jig in a turnover mode, glue is dispensed on the side wall of the middle support, and the side wall of the bottom cover is bonded with the side wall of the middle support to obtain a bonded finished product of the bottom cover and the middle support;

in order to further strengthen the strength of the middle support box, an inner surrounding strip can be pasted on the inner side of the bottom edge of the middle support before the gluing and bonding process, and the positioning and flattening effects can be achieved.

The dispensing jig is a block body with a groove, the groove is matched with the bottom surface of the middle support, the turned middle support can be placed in the groove, and the dispensing position is ensured to be exposed and cannot be moved.

(5) The pressing process is that the bonding product of the bottom cover and the middle support is placed in the middle of the pressing jig, the periphery of the pressing jig is combined, the upper cover is pressed, and the pressing product of the bottom cover and the middle support is taken out after pressing;

the pressing fixture is composed of a plate body which can place the bonding finished product of the bottom cover and the middle support in the middle.

(6) And assembling, namely assembling the upper cover, the bottom cover and the pressing composite product of the middle support into a top and bottom cover packaging box, wherein the exposed surface of the whole paper-plastic product is a smooth surface.

In the steps (1) - (3), the suction mold of the pulp molding is divided into a pulp suction mold and an extrusion mold, a hot pressing light mold and a hot pressing net mold, the pulp suction mold is provided with a pulp suction net, a product formed after the extrusion molding and mold opening is adsorbed on the pulp suction mold, the product is provided with fins, so that the product can be conveniently taken out, the quality of the product can be ensured, the edge is prevented from being uneven, and the deformation is avoided. The upper cover, the middle holder and the bottom cover are formed with flash and then cut off.

The utility model discloses technical scheme has following advantage:

1. the utility model discloses a full pulp mould moulds world lid packing carton, its upper cover, well support and bottom are full pulp direct drawing of patterns and generate, consequently be the integrated into one piece product, need not folding once more or jack etc. and the material that full pulp mould used is bamboo pulp, wood pulp, pulp environmental protection material that can be degraded completely such as sugarcane pulp reduces the environmental degradation pressure.

2. The embodiment of the utility model provides a pair of all pulp moulding heaven and earth lid packing carton, well support the box body structure that sets up to integrated into one piece, the middle part is not the degree of depth and differs, the different region of placing of shape size, each other does not influence when placing product and accessory, the side of box body has buffer area, buffer area can be in the transportation, in-process absorbed energy protection product such as fall, and simultaneously, the nearly border position department in some place regions can set to the interior concave surface as required, treat that placing object article put into the back can push it into to the screens with exerting oneself slightly, in order to avoid the product in the transportation, article break away from under the circumstances such as transport and place the position, damage article, especially some electronic equipment or precision equipment, all pulp moulding's material self also has certain resiliency, play certain antidetonation effect.

The bottom cover is a flat box body with a certain height, four side surfaces can be inserted into the bottom of the middle support and are fixedly connected through adhesion to form a middle support box with the bottom surface of the bottom cover and the side surfaces of the middle support exposed, at the moment, the exposed surfaces of the middle support box are smooth surfaces, the heights of the upper cover and the middle support box are almost the same, and after the upper cover is covered, the exposed surfaces of the whole box body are still smooth surfaces; after the middle support and the bottom cover are connected, a cavity area formed in the middle of the middle support plays a role in shock resistance and buffering for placing products.

3. The forming process is simple, and the full-pulp molding can be finished only by forming, trimming and bonding.

4. The positioning performance is good, the middle support can be designed according to the appearance curved surface of the product, and a good positioning effect is achieved.

5. The appearance is pleasing to the eye, and the product can be made the arc angle, and the circular arc size can be according to aesthetic difference and go to change.

6. The utility model discloses a world lid packing carton is full pulp moulding product, can be directly at outer surface printing, gilt, scald formation pattern such as silver, not only environmental protection but also reduce cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an exploded view of a prior art cassette;

FIG. 2 is a schematic view of the bottom case of FIG. 1 with the inner liner holder assembled and opened;

FIG. 3 is a schematic view of the exploded structure of the box body of the present invention;

FIG. 4 is a schematic sectional view of the tray and back box of FIG. 3 in combination;

FIG. 5 is a schematic view of a rotary cutting process of the upper cover;

FIG. 6 is a schematic view of a process of rotary cutting a middle support;

FIG. 7 is a schematic view of a bottom cover rotary cutting process;

FIG. 8 is a schematic view of a bottom cover and a middle support dispensing and bonding process;

FIG. 9 is a schematic view of a bottom cover and a middle support pressing process;

fig. 10 is a schematic view of an assembly process.

Description of reference numerals:

1-a top cover, 2-a bottom cover, 3-an inner liner, 10-an upper cover, 20-a middle holder, 30-a bottom cover, 100-a top and bottom cover packaging box, 101-a semi-finished upper cover, 102-a top cover flash, 201-a buffer area, 202-a mobile phone placing area, 203-a specification placing area, 204-a charger placing area, 205-a data line placing area, 206-a buffer gap, 207-an arc angle, 208-a semi-finished middle holder, 209-a middle holder flash, 210-an inner surrounding strip, 301-a semi-finished bottom cover, 302-a bottom cover flash, 401-a dispensing jig, and 402-a groove; 40-bonding the bottom cover and the middle support into a finished product; 501-pressing a plate body of the jig; 502-pressing fixture; 50-the pressing and combining of the bottom cover and the middle support.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The embodiment provides a mobile phone full-pulp molded top and bottom cover packaging box, which is shown in fig. 3 and comprises an upper cover 10, a middle support 20 and a bottom cover 30, wherein the upper cover 10, the middle support 20 and the bottom cover 30 are all produced by full-pulp demolding, and the box body is favorable for recycling and natural degradation.

Specifically, the middle support 20 is formed integrally by demolding, and has a buffer area 201 on four sides, and is disposed between the cell phone pocket 202 and the upper surface of the middle support. A buffer gap 206 is formed between the middle holder 20 and the bottom cover 30, a rectangular box body with a placing area is arranged in the center, the placing area is divided into function placing areas with different layers, the box body of the embodiment is a box body for placing the mobile phone and accessories thereof, and the function placing areas are divided into a data line placing area 205 (namely a data line pocket) at the bottom, a charger placing area 204 (namely a charger pocket), a specification placing area 203 (namely a specification pocket) and a mobile phone placing area 202 (namely a mobile phone pocket) at the uppermost layer; as preferred, can set up the interior concave surface of intra-annular wall border position at the inside wall in the district of placing of difference, to different cell-phone models, can set up to the curved surface of different thickness, different radians, in the screens was put into to cell-phone one side, the opposite side pushed gently, four sides of cell-phone all fall into to the screens in. The cambered surface of screens is designed according to the appearance curved surface of different products, realizes accurate positioning. The surrounding buffer area 201 can prevent the mobile phone from being protected by absorbing energy in the processes of transportation, falling and the like.

In addition to the functional regions of the device in this embodiment, the center of the middle tray may be provided with functional regions of other shapes and different depths according to the operability of the production mold and the device.

The lower part of the middle support 20 is a bottom cover 30, the bottom cover 30 is a rectangular box body matched with four sides of the middle support 20, the outer side surface of the box body and the inner side surface of the bottom of the middle support are mutually inserted and bonded and fixed, and a middle support box with the bottom surface of the bottom cover and the side surfaces of the middle support exposed is formed.

The height of the upper cover 10 is equal to that of the middle tray box, and the middle tray 20 and the bottom cover 30 are assembled and then are covered on the middle tray box by the upper cover 10, so that the exposed surface of the whole paper-plastic product is smooth, as shown in fig. 4.

The corners of the box body profile of the all-pulp molded top-bottom cover pack 100 may be provided with different rounded and curved surfaces 207.

The production process of the all-pulp molded heaven and earth cover packaging box 100 specifically comprises the following steps:

(1) molding pulp to obtain an upper cover semi-finished product 101 with upper cover flash 102, and rotatably cutting to remove the upper cover flash 102 to obtain an upper cover 10;

(2) molding pulp to obtain a middle support semi-finished product 208 with middle support fins 209, and rotatably cutting to remove the middle support fins 209 to obtain a middle support 20;

(3) molding pulp to obtain a bottom cover semi-finished product 301 with a bottom cover flash 302, and rotatably cutting to remove the bottom cover flash 302 to obtain the middle support 30;

(4) a glue dispensing and bonding process, namely, turning the middle support and placing the middle support into a glue dispensing jig 401, dispensing glue on the side wall of the middle support 20, and bonding the side wall of the bottom cover 30 with the side wall of the middle support 20 to obtain a bonded finished product 40 of the bottom cover and the middle support;

the dispensing jig is a block body with a groove 402, the groove 402 is matched with the bottom surface of the middle support, the turned middle support can be placed in the groove 402, and the part needing dispensing is exposed and cannot move.

(5) A pressing process, namely placing the bonded product 40 of the bottom cover and the middle support in the middle of a pressing jig 502, combining the peripheries of the pressing jig, pressing the upper cover, and taking out the pressed product 50 of the bottom cover and the middle support after pressing;

the pressing fixture is composed of a plate body 501 capable of placing a bonding product of the bottom cover and the middle support in the middle.

(6) And assembling, namely assembling the upper cover 10, the bottom cover and the pressed composite product 50 of the middle support into the top and bottom cover packaging box 100, wherein the exposed surface of the whole paper-plastic product is a smooth surface.

In order to further enhance the strength of the bonded product 40 of the bottom cover and the middle support, an inner strip 210 may be further adhered to the inner side of the bottom edge of the middle support before the dispensing and bonding process in step (4), and the positioning and leveling functions may also be performed.

The utility model discloses a box body can also be applied to on the packing of article such as cosmetics, razor, electron cigarette except being applied to on electronic goods such as cell-phone, computer.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (8)

1. A full-pulp molded packing box with a top cover and a bottom cover comprises an upper cover, a middle support and a bottom cover which are mutually sleeved from top to bottom, and is characterized in that the middle support is an integrally formed box body structure with side buffering areas and a middle part dividing and placing area;

the upper cover and the bottom cover are of an integrally formed structure;

the bottom cover is bonded with the middle support, and the middle support and the bottom cover are covered by the upper cover after being assembled.

2. The all-pulp molded top-bottom cover packaging box according to claim 1, wherein the divided placement areas are provided as areas of different shapes and sizes as required to place different functional components.

3. The all pulp molded top and bottom lid pack according to claim 1, wherein the corners of the upper lid, the middle holder and the bottom lid are set to be rounded corners.

4. The all pulp molded lid and tray package of claim 1, wherein the top lid side height is equal to or higher than the middle tray side height.

5. The all pulp molded lid and tray package of claim 1 wherein the inner side of the center tray is provided with an inner strip.

6. The all pulp molded top and bottom lid pack of claim 1, wherein a cushioning gap is formed between the bottom lid and the middle tray.

7. The all pulp molded lid and tray package of claim 1 wherein the cushioning region is disposed between the pocket and the center rest upper surface of the split placement area.

8. The all-pulp molded lid and tray pack of claim 1, wherein the pack is used for packaging mobile phones, computers, cosmetics, shavers and e-cigarettes.

Images