CN112193566A

CN112193566A - Paper box and forming method thereof

Info

Publication number: CN112193566A
Application number: CN202011366201.5A
Authority: CN
Inventors: 吴*; 吴; 陈文�; 黄少彦; 陈永成; 邓元耀; 郑梦君; 邓少华
Original assignee: Guangzhou Qiancai Paper Printing Co ltd
Current assignee: Guangzhou Qiancai Paper Printing Co ltd
Priority date: 2019-12-30
Filing date: 2020-11-29
Publication date: 2021-01-08

Abstract

The invention relates to the technical field of packaging boxes, in particular to a paper box and a forming method thereof, wherein the paper box comprises surface paper obtained by die cutting of single paper and surrounding edges for supporting, the surface paper comprises a bottom surface and side surfaces connected to the side edges of the bottom surface through first folding lines, and a plurality of groups of side surfaces are folded and surrounded to form a first frame-shaped structure; the surrounding edges are bonded with the side faces, and the plurality of groups of surrounding edges surround to form a second frame-shaped structure bonded on the inner side of the first frame-shaped structure. In the invention, the facial tissue is obtained by die cutting of a single piece of paper, and the facial tissue is folded and formed after the surrounding edge is adhered to the facial tissue; the forming process is simple, the automatic processing of a machine is easy to realize so as to improve the production efficiency, the box edge of the paper box is flat, and the whole paper box is uniform and beautiful; in addition, the invention can only arrange the surrounding edge at the side edge of the paper box, thus saving the material of the bottom ash board of the paper box and saving the production cost of the paper box.

Description

Paper box and forming method thereof

Technical Field

The invention relates to the technical field of packaging boxes, in particular to a paper box and a forming method thereof.

Background

The paper box has the advantages of easily available raw materials, low production cost, attractive appearance and good protection effect on packaged articles, and is widely applied to the field of packaging. At present, the carton structure generally comprises a gray board and a surface paper, and when the carton is formed, two forming processes are usually adopted: (1) cutting, folding and bonding the gray board into a box body frame, and then adopting printed or post-printed facial tissue to be adhered to the box body frame for forming to obtain a formed paper box; (2) the face paper after printing and post-printing treatment is die-cut and bonded into a soft frame, and then the die-cut gray board is inserted into the gap of the soft frame formed by the face paper for forming. The former has complex forming process, the neat edge of the carton is difficult to ensure when the facial tissue is pasted, the beautiful appearance of the formed carton is influenced, and the side surface, the top surface and the ground are all required to be provided with the gray boards, so that the waste of the gray boards is caused, and the manufacturing cost of the carton is increased; the latter forming process is difficult to ensure the close fit between the gray board and the surface paper, and affects the appearance beauty of the formed paper box.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a paper box and a forming method thereof.

In order to solve the technical problems, the invention adopts the technical scheme that:

the paper box comprises facial tissue obtained by die cutting of single paper and surrounding edges for supporting, wherein the facial tissue comprises a bottom surface and side surfaces connected to the side edges of the bottom surface through first folding lines, and a plurality of groups of side surfaces are folded and surrounded to form a first frame-shaped structure; the surrounding edges are bonded with the side faces, and the plurality of groups of surrounding edges surround to form a second frame-shaped structure bonded on the inner side of the first frame-shaped structure.

According to the paper box, the facial tissue is obtained by die cutting of a single piece of paper, and the facial tissue is folded and formed after the surrounding edge is adhered to the facial tissue; the forming process is simple, the automatic processing of a machine is easy to realize so as to improve the production efficiency, the box edge of the paper box is flat, and the whole paper box is uniform and beautiful; in addition, the invention can only arrange the surrounding edge at the side edge of the paper box, thus saving the material of the bottom ash board of the paper box and saving the production cost of the paper box.

Further, the bottom surface is of a square structure, and the side surfaces comprise a first side surface, a second side surface, a third side surface and a fourth side surface which are connected to the four sides of the bottom surface through first folding lines respectively. The square configuration is that of a conventional carton and is not intended as a limiting provision of the invention.

Furthermore, the first side surface, the second side surface, the third side surface and the fourth side surface are respectively connected with a first covering surface, a second covering surface, a third covering surface and a fourth covering surface through second folding lines, and the first side surface, the second side surface, the third side surface and the fourth side surface, the first covering surface, the second covering surface, the third covering surface and the fourth covering surface are respectively adhered to two sides of the surrounding edge. The surrounding edges are bonded between the first side face and the first covering face, between the second side face and the second covering face, between the third side face and the third covering face, and between the fourth side face and the fourth covering face, so that the appearance is attractive.

Furthermore, the first covering surface, the second covering surface, the third covering surface and the fourth covering surface are respectively connected with a first overlapping surface, a second overlapping surface, a third overlapping surface and a fourth overlapping surface through a third folding line, and the first overlapping surface, the second overlapping surface, the third overlapping surface and the fourth overlapping surface are bonded on the bottom surface. First faying face, second faying face, third faying face and fourth faying face bond with the bottom surface and do benefit to the bonding stability between the facial tissue of assurance and the hawk, prevent to scrape the facial tissue carelessly and expose the hawk and influence beautifully.

Further, the surrounding edge comprises two groups of ash strips with the same structure, the ash strips comprise a first ash plate and second ash plates connected to two ends of the first ash plate through V-shaped grooves, and the sum of the width sizes of the two groups of second ash plates does not exceed the width size of the second side face. The provision of two sets of gray strips for the skirt is preferred for the purpose of simplifying the skirt structure and for simplifying the adhesion between the skirt and the tissue, and is not intended to be a limiting provision.

Further, folding surfaces are connected between the first side surface and the second side surface, between the second side surface and the third side surface, between the third side surface and the fourth side surface, and between the fourth side surface and the first side surface, the folding surfaces include a first folding surface and a second folding surface which are connected through a fourth folding line, and the first folding surface and the second folding surface are axisymmetric with respect to the fourth folding line. The arrangement of the folding surface can prevent the ash plate from being exposed and keep the aesthetic property of the appearance of the paper box.

Furthermore, the folding surface is adhered between the second gray board and the second side surface or between the second gray board and the fourth side surface, and the first gray board is adhered between the first side surface and the first covering surface or between the third side surface and the third covering surface. And each side surface of the first gray board and the second gray board is covered and bonded with facial tissue, and the surface of the facial tissue can obtain patterns through a printing process or a embossing process.

Furthermore, the two sides of the first covering surface and the third covering surface are connected with connecting surfaces through fifth folding lines. The arrangement of the connecting surface facilitates the realization of the bonding between the first covering surface, the third covering surface and the surrounding edge.

Further, the connecting surface is adhered between the second gray plate and the second covering surface or between the second gray plate and the fourth covering surface. The arrangement of the connecting surface can prevent the ash plate from being exposed and keep the aesthetic property of the appearance of the paper box.

The invention also provides a forming method of the paper box, which comprises the following steps:

s10, die-cutting a single piece of paper according to the pre-designed size and shape to obtain facial tissue, and cutting an ash plate strip through a die-cutting V groove according to the pre-designed size and shape to obtain a surrounding edge;

s20, respectively adhering the two groups of first gray boards to the first side face and the third side face, respectively adhering the first covering face and the third covering face to the two groups of first gray boards, and respectively adhering the first lapping face and the third lapping face to the bottom face;

s30, folding the first side face and the bottom face, the third side face and the bottom face, and the second gray board and the first gray board, and bonding the connecting face and the second gray board;

and S40, folding and adhering the folded surface to the second gray board, respectively folding and adhering the second side surface and the fourth side surface to one side of the second gray board, folding and adhering the second covering surface and the fourth covering surface to the other side of the second gray board, and respectively adhering the second overlapping surface and the fourth overlapping surface to the bottom surface.

According to the forming method of the paper box, the facial tissue is obtained by die cutting of a single piece of paper, and the facial tissue is folded and formed after the surrounding edge is adhered to the facial tissue; the forming process is simple, and the automatic processing of a machine is easy to realize so as to improve the production efficiency; the method can obtain the paper box with flat box edges and uniform and beautiful whole.

Compared with the prior art, the invention has the beneficial effects that:

the paper box is obtained by die cutting of single paper, the surrounding edge is adhered to the facial tissue and then the facial tissue is folded and formed, the box edge is flat, the whole body is uniform and attractive, the bottom surface of the paper box can be replaced by a low-gram-weight gray board, the forming raw material of the bottom surface of the paper box is saved, and the cost of the paper box is saved; the forming method has simple process, and is easy to realize automatic machining of a machine so as to improve the production efficiency.

Drawings

FIG. 1 is a schematic view of the opening of the top sheet of the first embodiment;

FIG. 2 is a schematic structural view of the first embodiment of the present invention after the gray strips are laid on the surface paper;

FIG. 3 is a schematic folding view I of the carton according to the first embodiment;

FIG. 4 is a schematic folding view II of the carton according to the first embodiment;

FIG. 5 is a schematic view showing the structure of a paper cassette according to the first embodiment;

in the drawings: 1-face paper; 101-a bottom surface; 102-a first fold line; 103-a first side; 104-a second side; 105-a third side; 106-fourth side; 107-a second fold line; 108 — a first cover surface; 109-a second cover surface; 110-a third cover surface; 111-a fourth cover surface; 112-a third fold line; 113-a first faying surface; 114-a second faying surface; 115-a third faying surface; 116-a fourth faying surface; 117 — first fold plane; 118-a second folded surface; 119-connecting surface; 2-surrounding edges; 201-a first gray board; 202-a second gray board; 203-V groove.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

Example one

Fig. 1 to 5 show an embodiment of the carton of the present invention, which comprises a facial tissue 1 obtained by die cutting a single piece of paper, and a surrounding edge 2 for supporting, wherein the facial tissue 1 comprises a bottom surface 101 and side surfaces connected to the side edges of the bottom surface 101 by a first folding line 102, and a plurality of groups of side surfaces are folded and surrounded to form a first frame-shaped structure; the surrounding edges 2 are bonded with the side faces, and a plurality of groups of surrounding edges 2 surround to form a second frame-shaped structure bonded on the inner side of the first frame-shaped structure.

In the embodiment, the facial tissue 1 is obtained by die cutting of a single piece of paper, and the facial tissue 1 is folded and formed after the surrounding edge 2 is adhered to the facial tissue 1; the forming process is simple, the automatic processing of the machine is easy to realize so as to improve the production efficiency, the box edge of the paper box is flat, and the whole paper box is uniform and beautiful. Before the folding and forming, patterns can be formed on the surface of the facial tissue 1 through a printing process or a embossing process so as to ensure the aesthetic property of the appearance of the carton. In addition, the paper box of the embodiment can be used as a top cover or a bottom cover, and two groups of paper boxes of the embodiment can be combined to form a top and bottom cover box.

As shown in fig. 1, the bottom surface 101 of the present embodiment has a square structure, and the side surfaces include a first side surface 103, a second side surface 104, a third side surface 105, and a fourth side surface 106 connected to four side edges of the bottom surface 101 by first folding lines 102. It should be noted that the square box obtained by arranging four sets of side faces is preferred because the square box is most commonly used and most representative, and the present embodiment is also applicable to polygonal paper boxes such as triangular and hexagonal boxes, not by way of limitation.

The first side surface 103, the second side surface 104, the third side surface 105 and the fourth side surface 106 are respectively connected with a first covering surface 108, a second covering surface 109, a third covering surface 110 and a fourth covering surface 111 through second folding lines 107, and the first side surface 103, the second side surface 104, the third side surface 105 and the fourth side surface 106, the first covering surface 108, the second covering surface 109, the third covering surface 110 and the fourth covering surface 111 are respectively adhered to two sides of the surrounding edge 2. Thus, the surrounding edge 2 is covered between the first side surface 103 and the first covering surface 108, the second side surface 104 and the second covering surface 109, the third side surface 105 and the third covering surface 110, and the fourth side surface 106 and the fourth covering surface 111, so that the gray board is not exposed, and the appearance is beautiful.

As shown in fig. 3, the first covering surface 108, the second covering surface 109, the third covering surface 110 and the fourth covering surface 111 are respectively connected to a first overlapping surface 113, a second overlapping surface 114, a third overlapping surface 115 and a fourth overlapping surface 116 by a third folding line 112, and the first overlapping surface 113, the second overlapping surface 114, the third overlapping surface 115 and the fourth overlapping surface 116 are adhered to the bottom surface 101; the first overlapping surface 113, the second overlapping surface 114, the third overlapping surface 115 and the fourth overlapping surface 116 are bonded with the bottom surface 101, so that the bonding stability between the facial tissue 1 and the dust board is ensured, and the facial tissue 1 is prevented from being carelessly scraped to expose the dust board, so that the appearance is prevented from being influenced. In order to increase the bearing capacity of the bottom surface 101 of the carton and cover the first overlapping surface 113, the second overlapping surface 114, the third overlapping surface 115 and the fourth overlapping surface 116 adhered to the bottom surface 101, in the embodiment, after the carton is formed, the bottom ash board can be replaced by the low-gram-weight ash board laid on the bottom surface 101 of the carton, so that the forming raw material of the bottom surface 101 of the carton is saved, and the cost of the carton is saved.

As shown in fig. 1, the surrounding edge 2 of the present embodiment includes two sets of ash strips with the same structure, the ash strips include a first ash plate 201 and second ash plates 202 connected to both ends of the first ash plate 201 through V-grooves 203, and the sum of the width dimensions of the two sets of second ash plates 202 does not exceed the width dimension of the second side surface 104. It should be noted that the provision of two sets of ash strips is preferred for the purpose of simplifying the structure of the skirt 2 and the adhesion between the skirt 2 and the tissues 1, and that the invention can be implemented without limiting the provision that the ash strips can surround the side from which the carton is supported.

In this embodiment, folding surfaces are connected between the first side surface 103 and the second side surface 104, between the second side surface 104 and the third side surface 105, between the third side surface 105 and the fourth side surface 106, and between the fourth side surface 106 and the first side surface 103, the folding surfaces include a first folding surface 117 and a second folding surface 118 connected by a fourth folding line, the first folding surface 117 and the second folding surface 118 are axisymmetric with respect to the fourth folding line, after the carton is folded and formed, the folding surfaces are bonded between the second gray board 202 and the second side surface 104 or between the second gray board 202 and the fourth side surface 106, and the first gray board 201 is bonded between the first side surface 103 and the first cover surface 108 or between the third side surface 105 and the third cover surface 110; in addition, in this embodiment, the connecting surfaces 119 are connected to both sides of the first covering surface 108 and the third covering surface 110 through fifth folding lines, and after the carton is folded and formed, the connecting surfaces 119 are adhered between the second gray board 202 and the second covering surface 109 or between the second gray board 202 and the fourth covering surface 111. However, the provision of the folding surface and the connecting surface 119 is preferable for preventing the gray board from being exposed and maintaining the aesthetic appearance of the carton, and is not intended to be a limiting regulation.

Example two

This example is a forming method for making a carton as in the first example, comprising the steps of:

s10, die-cutting a single piece of paper according to the pre-designed size and shape to obtain the facial tissue 1, and cutting the gray board strip according to the pre-designed size and shape through the die-cutting V-shaped groove 203 to obtain the surrounding edge 2;

s20, adhering the two groups of first gray boards 201 to the first side surface 103 and the third side surface 105 respectively, adhering the first covering surface 108 and the third covering surface 110 to the two groups of first gray boards 201 respectively, and adhering the first lapping surface 113 and the third lapping surface 115 to the bottom surface 101 respectively;

s30, folding the first side surface 103 and the bottom surface 101, the third side surface 105 and the bottom surface 101, and the second gray board 202 and the first gray board 201, and bonding the connecting surface 119 and the second gray board 202;

s40, the folding surface is folded and adhered to the second gray board 202, the second side surface 104 and the fourth side surface 106 are respectively folded and adhered to one side of the second gray board 202, the second covering surface 109 and the fourth covering surface 111 are folded and adhered to the other side of the second gray board 202, and the second overlapping surface 114 and the fourth overlapping surface 116 are respectively adhered to the bottom surface 101.

In step S10, the paper sheet die cutting process and the gray board strip die cutting process can be automatically processed by the existing equipment; before the paper is subjected to die cutting and cutting, patterns can be formed on the surface of the face paper 1 by adopting a printing process or a embossing process;

in step S20, when the first gray board 201 is positioned and bonded to the first side surface 103 and the third side surface 105, the position of the face paper 1 may be mechanically sensed, and the gray board is placed by the existing machine to realize accurate positioning, so as to improve the automation degree of the carton production process;

in step S40, the gray board strip is completely covered on the inner side of the face paper 1, and the gray board is not exposed and has beautiful appearance.

Through the steps, the paper box with flat box edges and uniform and attractive whole can be obtained, the forming process is simple, and the automatic machining of a machine is easy to realize so as to improve the production efficiency.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. 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. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A carton is characterized by comprising a facial tissue (1) obtained by die cutting of a single piece of paper and a surrounding edge (2) for supporting, wherein the facial tissue (1) comprises a bottom surface (101) and side surfaces connected to the side edges of the bottom surface (101) through a first folding line (102), and a plurality of groups of side surfaces are folded and surrounded to form a first frame-shaped structure; the surrounding edges (2) are bonded with the side faces, and the plurality of groups of surrounding edges (2) surround to form a second frame-shaped structure bonded on the inner side of the first frame-shaped structure.

2. A carton as claimed in claim 1, characterized in that the bottom side (101) is of a square configuration and the side faces comprise a first side face (103), a second side face (104), a third side face (105) and a fourth side face (106) connected to the four sides of the bottom side (101) by first fold lines (102), respectively.

3. The carton according to claim 2, wherein the first side (103), the second side (104), the third side (105) and the fourth side (106) are connected with a first covering surface (108), a second covering surface (109), a third covering surface (110) and a fourth covering surface (111) respectively by a second folding line (107), and the first side (103), the second side (104), the third side (105) and the fourth side (106) and the first covering surface (108), the second covering surface (109), the third covering surface (110) and the fourth covering surface (111) are respectively adhered to two sides of the surrounding edge (2).

4. A carton as claimed in claim 3, characterized in that the first (108), second (109), third (110) and fourth (111) covering surfaces are connected to a first (113), second (114), third (115) and fourth (116) overlapping surface, respectively, by a third fold line (112), the first (113), second (114), third (115) and fourth (116) overlapping surfaces being adhesively bonded to the bottom surface (101).

5. A carton as claimed in claim 4, characterized in that the peripheral edge (2) comprises two sets of identically constructed ash panels comprising a first ash panel (201) and second ash panels (202) connected to the first ash panel (201) at both ends by V-grooves (203), the sum of the width dimensions of the two sets of second ash panels (202) not exceeding the width dimension of the second side (104).

6. A carton as claimed in claim 5, characterized in that a fold plane is connected between the first side (103) and the second side (104), between the second side (104) and the third side (105), between the third side (105) and the fourth side (106), and between the fourth side (106) and the first side (103), the fold plane comprising a first fold plane (117) and a second fold plane (118) connected by a fourth fold line, the first fold plane (117) and the second fold plane (118) being axisymmetric about the fourth fold line.

7. A carton as claimed in claim 6, characterized in that the folded surface is glued between the second panel (202) and the second side (104) or between the second panel (202) and the fourth side (106), and the first panel (201) is glued between the first side (103) and the first covering surface (108) or between the third side (105) and the third covering surface (110).

8. A carton as claimed in claim 5, characterized in that a connecting panel (119) is connected to both sides of the first covering panel (108), the third covering panel (110) by a fifth fold line.

9. A carton as claimed in claim 8, characterized in that the connecting surface (119) is glued between the second blank (202) and the second cover surface (109) or between the second blank (202) and the fourth cover surface (111).

10. A method of forming a carton as claimed in any one of claims 1 to 9, including the steps of:

s10, die-cutting a single piece of paper according to the pre-designed size and shape to obtain face paper (1), and cutting an ash plate strip according to the pre-designed size and shape through a die-cutting V groove (203) to obtain a surrounding edge (2);

s20, adhering the two groups of first gray plates (201) to the first side surface (103) and the third side surface (105) respectively, adhering the first covering surface (108) and the third covering surface (110) to the two groups of first gray plates (201) respectively, and adhering the first lapping surface (113) and the third lapping surface (115) to the bottom surface (101) respectively;

s30, folding the first side surface (103) and the bottom surface (101), the third side surface (105) and the bottom surface (101), and the second gray board (202) and the first gray board (201), and bonding the connecting surface (119) and the second gray board (202);

s40, the folding surface is folded and adhered to the second gray board (202), the second side surface (104) and the fourth side surface (106) are respectively folded and adhered to one side of the second gray board (202), the second covering surface (109) and the fourth covering surface (111) are folded and adhered to the other side of the second gray board (202), and the second overlapping surface (114) and the fourth overlapping surface (116) are respectively adhered to the bottom surface (101).