CN110683210B - All-pulp molded top-bottom cover packaging box - Google Patents

All-pulp molded top-bottom cover packaging box Download PDF

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Publication number
CN110683210B
CN110683210B CN201910872568.5A CN201910872568A CN110683210B CN 110683210 B CN110683210 B CN 110683210B CN 201910872568 A CN201910872568 A CN 201910872568A CN 110683210 B CN110683210 B CN 110683210B
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China
Prior art keywords
bottom cover
middle support
cover
pressing
product
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CN201910872568.5A
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Chinese (zh)
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CN110683210A (en
Inventor
苏先凯
明文希
张利丽
蒋雲
陈雷锋
朱宏
向祥发
徐海鹏
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Yongfa Jiangsu Molding Packaging Technology Co ltd
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Yongfa Jiangsu Molding Packaging Technology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/03—Wrappers or envelopes with shock-absorbing properties, e.g. bubble films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/34—Trays or like shallow containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0214—Removable lids or covers without integral tamper element secured only by friction or gravity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/127—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using rigid or semi-rigid sheets of shock-absorbing material
    • B65D81/133—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using rigid or semi-rigid sheets of shock-absorbing material of a shape specially adapted to accommodate contents, e.g. trays

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Packages (AREA)

Abstract

The invention discloses an all-pulp molded heaven and earth cover packaging box and a production process thereof, wherein the packaging box comprises an upper cover, a middle support and a bottom cover, the middle support is an integrally formed box body structure with side buffering areas and a middle part dividing and placing area, the dividing and placing area is set into areas with different shapes and sizes according to requirements so as to place different functional components, the inner side near-edge positions of the different areas can be set into concave surfaces matched with the edge contact surfaces of placed objects, and clamping positions of the placed objects are formed. The all-pulp molded top and bottom cover packaging box is integrally formed, is environment-friendly and attractive, and has good positioning property and buffering property.

Description

All-pulp molded top-bottom cover packaging box
Technical Field
The invention relates to the technical field of molding, in particular to a full-pulp molded packing box with a top cover and a bottom cover and a production method thereof.
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 invention aims to provide the integrally formed all-pulp molded top and bottom cover packaging box which is environment-friendly, simple in forming process, good in buffering performance, good in positioning performance and attractive in appearance.
Disclosure of Invention
The invention aims to provide an integrally formed all-pulp molded top and bottom cover packaging box which is environment-friendly, simple in forming process, good in buffering performance, good in positioning performance and attractive in appearance and a production method thereof.
The invention provides an all-pulp molded top and bottom cover packaging box which comprises an upper cover, a middle support and a bottom cover which are mutually sleeved from top to bottom, wherein the middle support is of an integrally formed box body structure with side buffering areas and a middle partition placing area.
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 invention relates to a full-pulp molding top and bottom cover packaging box process which is mainly realized by molding, rotary cutting of edges, bonding and assembly. 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 technical scheme of the invention has the following advantages:
1. according to the all-pulp molding top and bottom cover packaging box, the upper cover, the middle support and the bottom cover are all formed by directly demolding all pulp, so that the all-pulp molding top and bottom cover packaging box is an integrally formed product and does not need to be folded again or inserted into a hole, the materials used for all-pulp molding are completely degradable pulp environment-friendly materials such as bamboo pulp, wood pulp and sugarcane pulp, and the environmental degradation pressure is reduced.
2. The middle support is of an integrally formed box body structure, the middle part of the box body is provided with placing areas with different depths and different shapes and sizes, the placing areas are not affected when products and accessories of the products are placed, the side edge of the box body is provided with the buffering area, the buffering area can absorb energy in the processes of transportation, falling and the like to protect the products, meanwhile, the position close to the edge of some placing areas can be provided with the concave surface according to needs, the products can be pushed into the clamping position by slight force after being placed in the box body, so that the products are prevented from being separated from the placing positions to damage the products under the conditions of transportation, transportation and the like, particularly some electronic equipment or precision equipment, and the material formed by the whole pulp also has certain buffering performance and plays a certain anti-seismic 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 top and bottom cover packaging box is a full-pulp molding product, can be directly printed, gilded, silver-plated and the like on the outer surface to form patterns, is environment-friendly and reduces the 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 description of the embodiments or 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 other drawings can be obtained by those skilled in the art 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 an exploded view of the case 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 solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may 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 box body of the invention can be applied to electronic commodities such as mobile phones, computers and the like, and can also be applied to the packaging of articles such as cosmetics, shavers, electronic cigarettes and the like.
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 therefrom are within the scope of the invention.

Claims (7)

1. A full-pulp molding top and bottom cover packaging box forming process 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 of placing the middle support in a glue dispensing jig in an overturning manner, dispensing glue on the side wall of the middle support, bonding the side wall of the bottom cover with the side wall of the middle support to obtain a bonded finished product of the bottom cover and the middle support, wherein the glue dispensing jig is a block body with a groove, the groove is matched with the bottom surface of the middle support, and the overturned middle support is placed in the glue dispensing jig to ensure that a part needing glue dispensing is exposed and cannot move;
before the glue dispensing and bonding process, an inner surrounding strip is pasted on the inner side of the bottom edge of the middle support;
(5) a pressing process, namely pressing the bonding product of the bottom cover and the middle support into a pressing product of the bottom cover and the middle support;
(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.
2. The process according to claim 1, wherein the step (5) is carried out by placing the bonded product of the bottom cover and the middle holder between pressing jigs, combining the peripheries of the pressing jigs, pressing the top cover, and taking out the bonded product of the bottom cover and the middle holder after pressing.
3. The process according to claim 2, wherein the pressing fixture comprises a plate body for placing the bottom cover and the middle support in the middle.
4. The process of claim 1, wherein the all-molded plastic top and bottom cover package box comprises an upper cover, a middle holder and a bottom cover which are mutually sleeved from top to bottom, wherein the middle holder is an integrally formed box body structure with side buffering areas and a middle dividing and placing area.
5. The forming process of the all-pulp molding top-bottom cover packaging box according to claim 4, wherein the dividing and placing areas are arranged into areas with different shapes and sizes as required to place different functional components.
6. The process of claim 1, wherein the corners of the top cover, the middle support and the bottom cover are rounded.
7. The process according to claim 1, wherein the all-pulp molded top and bottom cover pack is used for packaging mobile phones, computers, cosmetics, shavers and electronic cigarettes.
CN201910872568.5A 2019-09-16 2019-09-16 All-pulp molded top-bottom cover packaging box Active CN110683210B (en)

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Inventor after: Su Xiankai

Inventor after: Ming Wenxi

Inventor after: Zhang Lili

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Inventor after: Chen Leifeng

Inventor after: Zhu Hong

Inventor after: Xiang Xiangfa

Inventor after: Xu Haipeng

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