Single cardboard combined special-shaped paper box and forming method thereof

Abstract

The present invention relates to the technical field of packaging boxes, and more specifically, to a single cardboard combined special-shaped paper box and a forming method thereof, comprising an outer box and an inner tray, wherein the inner tray is arranged on the inner side of the outer box; the outer box comprises a box body and a box cover connected by a first folding line, wherein the box body and the box cover are first folding structures obtained by die-cutting a single cardboard, and the inner tray is a second folding structure obtained by die-cutting a single cardboard. The present invention uses a single cardboard instead of face paper and gray board as the production raw material for the outer box and the inner tray, saving gray board materials and gray board slotting and die-cutting steps, and reducing production costs; the cardboard has high plastic deformability, and has obvious embossing and embossing effects, and has a good surface decoration effect; and the present invention uses existing automatic box gluing machines and automatic folding machines to achieve box gluing and folding of cardboard, simplifying the production process and improving production efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging boxes, and more specifically, to a single-cardboard combined special-shaped paper box and a forming method thereof. Background Art

[0002] The combined special-shaped paper box is often composed of an outer box and an inner box: for the outer box, the outer box is often assembled and pressed by gluing the surface paper for surface decoration and the gray board for forming the frame. The surface paper is die-cut into a semi-finished product to be bonded according to the design. The gray board is firstly die-cut into a plane shape according to the designed size using a whole gray board, and then die-cut and slotted the gray board, and then positioned and bonded to form the outer box frame; for the inner box, the inner box is often assembled and pressed by gluing the surface paper for surface decoration and the gray board for forming the frame. The surface paper is die-cut into a semi-finished product to be bonded according to the design. The gray board is firstly die-cut into a plane shape according to the designed size using a whole gray board, and then die-cut and slotted the gray board, and then positioned and bonded to form the inner box frame. It can be seen that the structure of the outer box and the inner box of the traditional combined special-shaped paper box makes the molding process complicated and involves a lot of manual work, resulting in low production efficiency and high production cost of the paper box. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a single cardboard combined special-shaped paper box and a forming method thereof, so as to replace the face paper and gray board with a single cardboard, save gray board materials, reduce production costs, simplify the production process and improve production efficiency.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0005] Provided is a single cardboard combined special-shaped paper box, comprising an outer box and an inner tray, wherein the inner tray is arranged on the inner side of the outer box; the outer box comprises a box body and a box cover connected by a first folding line, the box body and the box cover are a first folding structure obtained by die-cutting a single cardboard, and the inner tray is a second folding structure obtained by die-cutting a single cardboard.

[0006] The single-cardboard combined special-shaped paper box of the present invention adopts a single cardboard instead of face paper and grey board as the production raw material of the outer box and the inner tray, saving grey board materials and reducing production costs; and the first folding structure and the second folding structure can be quickly formed to obtain the outer box and the inner tray, the production process is simple, and the production efficiency can be improved.

[0007] Furthermore, the box cover includes a first box surface and a second box surface, the first box surface is connected to the second box surface, the first box surface is connected to the first support surface and the second support surface on both sides, and the second box surface is clamped to the first support surface and the second support surface on both sides. After folding and forming, the first box surface and the second box surface are vertically arranged, the first support surface and the second support surface serve as the side surfaces of the box cover, and the first support surface and the second support surface are both right-angled triangle structures, and the first box surface, the second box surface, the first support surface and the second support surface surround to form a triangular prism structure.

[0008] Furthermore, first clamping blocks are provided on both sides of the second box surface, and first and second support surfaces are provided with first clamping ports, and the first clamping blocks are clamped with the first clamping ports. The first clamping blocks are clamped with the first clamping ports, and the second box surface and the first and second support surfaces can be connected as one.

[0009] Furthermore, a first reinforcement surface and a second reinforcement surface are connected between the first box surface and the second box surface, and the second box surface can be folded to be laid between the first reinforcement surface and the second reinforcement surface. Providing the first reinforcement surface and the second reinforcement surface can improve the load-bearing capacity of the paper box cover, and folding the second box surface between the first reinforcement surface and the second reinforcement surface is conducive to obtaining a beautiful appearance.

[0010] Furthermore, the first supporting surface and the second supporting surface are right-angled triangle structures, one right-angle side of the right-angled triangle structure is connected to the first box surface, and the other right-angle side is connected to the first connecting surface, and the two groups of first connecting surfaces can be folded to be laid between the second box surface and the first reinforcement surface. The two groups of first connecting surfaces laid between the second box surface and the first reinforcement surface can not only improve the bearing capacity of the box cover, but also connect the first reinforcement surface, the first supporting surface, and the second supporting surface into one.

[0011] Further, the box body includes a first side surface, a second side surface and a third side surface connected in sequence, the first side surface is connected to the first box surface via a first folding line, the second side surface is connected to the third support surface and the fourth support surface on both sides, and the third side surface is clamped to the third support surface and the fourth support surface on both sides. The third side surface is clamped to the third support surface and the fourth support surface to surround the first side surface, the second side surface, the third side surface, the third support surface and the fourth support surface to form a quadrangular pyramid structure, and when the box cover and the box body are closed, the bottom surface of the triangular prism of the box cover can overlap with the top surface of the quadrangular pyramid structure of the box body.

[0012] Furthermore, second clamping blocks are provided on both sides of the third side surface, and the third support surface and the fourth support surface are both provided with second bayonet ports, and the second clamping blocks are engaged with the second bayonet ports; the third support surface and the fourth support surface are both connected with second connecting surfaces, and the second connecting surfaces are bonded to the first side surface. The third side surface can be connected to the third support surface and the fourth support surface by inserting the second clamping block into the second bayonet port, and the operation is simple; the third support surface and the fourth support surface can be connected to the first side surface by bonding the two groups of second connecting surfaces to the first side surface.

[0013] Furthermore, the inner support includes a first support surface, a second support surface and a third support surface connected in sequence, the first support surface is connected to a fifth support surface and a sixth support surface on both sides, the third support surface is provided with a third clamping block on both sides, the fifth support surface and the sixth support surface are provided with a third clamping port, and the third clamping block is clamped with the third clamping port. The clamping of the third clamping block with the third clamping port can surround the first support surface, the second support surface, the third support surface, the fifth support surface and the sixth support surface to form a quadrangular pyramid structure similar to the shape of the box body.

[0014] Furthermore, the side of the inner support is arranged to fit the side of the box body, and the outer edge of the top of the inner support is arranged to be higher than the outer edge of the top of the box body, so as to guide the box cover to close with the box body.

[0015] The present invention also provides a method for forming a single cardboard combined special-shaped paper box, comprising the following steps:

[0016] S10. The cardboard is die-cut according to a pre-designed size and shape to obtain an outer box paper and an inner tray paper to be formed;

[0017] S20. The outer box paper to be formed in step S10 is transferred to the glue scraping area for gluing and bonding: the first support surface, the second support surface and the first box surface are folded and bonded; the third support surface, the fourth support surface and the second side surface are folded and bonded;

[0018] S30. Folding the outer box paper to be formed in the bonding process of step S20 to obtain an outer box: folding the second box surface and snapping the two sides of the second box surface to the first support surface and the second support surface, folding the first side surface to the two sides of the first side surface and connecting them to the third support surface and the fourth support surface;

[0019] S40. When the inner tray paper to be formed in step S10 is transferred to the scraping glue area for gluing and bonding: the fifth support surface, the sixth support surface and the first support surface are folded and bonded;

[0020] S50. The inner tray paper to be formed by the bonding process in step S40 is folded to obtain an inner tray: the third tray surface is folded to both sides of the third tray surface and the fifth support surface and the sixth support surface are respectively engaged;

[0021] S60. Insert the inner support in step S50 into the inner side of the outer box body in step S30 to obtain a complete box.

[0022] The forming method of a single-cardboard combined special-shaped paper box of the present invention adopts a single cardboard instead of face paper and gray board as the production raw material of the outer box and the inner tray, saving gray board materials and gray board slotting and die-cutting steps, reducing production costs, and the cardboard has high plastic deformability, obvious embossing and embossing effects, and has a good surface decoration effect; and the present invention adopts the existing automatic box gluing machine and automatic folding machine to realize the box gluing and folding of the cardboard, simplifying the production process and improving production efficiency.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] The single-cardboard combined special-shaped paper box of the present invention uses a single cardboard instead of face paper and gray board as the production material of the outer box and the inner tray, which saves gray board materials and reduces production costs. In addition, the cardboard has high plastic deformation, obvious embossing and embossing effects, and has a good surface decoration effect.

[0025] The forming method of a single cardboard combined special-shaped paper box of the present invention saves the steps of gray board slotting and die-cutting, and can use the existing automatic box gluing machine and automatic folding machine to achieve the box gluing and folding of the cardboard, thereby simplifying the production process and improving the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the expansion of the outer box of the single cardboard combined special-shaped paper box of the first embodiment;

[0027] Figure 2 It is a schematic diagram of the folding process of a single cardboard combined with a special-shaped paper box outer box of Example 1;

[0028] Figure 3 It is a schematic structural diagram of a single cardboard combined with a special-shaped paper box outer box of the first embodiment;

[0029] Figure 4 This is a schematic diagram of the unfolding of the inner tray of a single cardboard combined special-shaped paper box of Example 1;

[0030] Figure 5 Schematic diagram I of the folding process of a single cardboard combined special-shaped paper box inner tray of Example 1;

[0031] Figure 6 Schematic diagram II of the folding process of the inner tray of a single cardboard combined special-shaped paper box of Example 1;

[0032] Figure 7 This is a schematic structural diagram of a single cardboard combined with a special-shaped paper box inner tray of the first embodiment;

[0033] Figure 8 It is a structural schematic diagram of a single cardboard combined special-shaped paper box of Example 1;

[0034] In the accompanying drawings: 100-outer box; 200-inner support; 201-first support surface; 202-second support surface; 203-third support surface; 204-fifth supporting surface; 205-sixth supporting surface; 206-third clamping block; 207-third clamping port; 208-third connecting surface; 300-first folding line; 400-box body; 401-first side surface; 402-second side surface; 403-third side surface; 404-third supporting surface; 405-fourth supporting surface; 406-second clamping block; 407-second clamping port; 408-second connecting surface; 500-box cover; 501-first box surface; 502-second box surface; 503-first supporting surface; 504-second supporting surface; 505-first clamping block; 506-first clamping port; 507-first reinforcement surface; 508-second reinforcement surface; 509-first connecting surface. DETAILED DESCRIPTION

[0035] The present invention is further described below in conjunction with specific implementation methods. The accompanying drawings are only used for exemplary descriptions and are only schematic diagrams, not actual drawings, and cannot be understood as limiting this patent; in order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the accompanying drawings may be omitted.

[0036] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0037] Embodiment 1

[0038] like Figures 1 to 8The embodiment of the single cardboard combined special-shaped paper box of the present invention is shown, comprising an outer box 100 and an inner tray 200, wherein the inner tray 200 is arranged inside the outer box 100; the outer box 100 comprises a box body 400 and a box cover 500 connected by a first folding line 300, wherein the box body 400 and the box cover 500 are a first folding structure obtained by die-cutting a single cardboard, and the inner tray 200 is a second folding structure obtained by die-cutting a single cardboard. In this embodiment, a single cardboard is used instead of facial paper and gray board as the production raw material of the outer box 100 and the inner tray 200, thereby saving gray board materials, eliminating the steps of gray board slotting and die-cutting, simplifying the production process, and reducing production costs.

[0039] like Figure 1 , Figure 2 As shown, the box cover 500 includes a first box surface 501 and a second box surface 502, the first box surface 501 is connected to the second box surface 502, the first box surface 501 is connected to the first support surface 503 and the second support surface 504 on both sides, and the second box surface 502 is respectively engaged with the first support surface 503 and the second support surface 504 on both sides. After folding and forming, the first box surface 501 and the second box surface 502 are vertically arranged, the first support surface 503 and the second support surface 504 serve as the side surfaces of the box cover 500, and the first support surface 503 and the second support surface 504 are both right-angled triangle structures, and the first box surface 501, the second box surface 502, the first support surface 503 and the second support surface 504 surround to form a triangular prism structure.

[0040] Specifically, first clamping blocks 505 are provided on both sides of the second box surface 502, and first support surfaces 503 and second support surfaces 504 are provided with first bayonet ports 506, and the first clamping blocks 505 are engaged with the first bayonet ports 506. The present embodiment adopts the arrangement of engaging the first clamping block 505 with the first bayonet ports 506 to connect the second box surface 502, the first support surface 503 and the second support surface 504 as one body, which is a preferred embodiment made for the sake of easy connection and is not a restrictive provision. In order to enhance the load-bearing capacity of the side of the box cover 500, the first support surface 503 and the second support surface 504 in the present embodiment can be composed of two right-angled triangle structures folded in half.

[0041] In order to improve the load-bearing capacity of the paper box cover 500: in this embodiment, a first reinforcement surface 507 and a second reinforcement surface 508 are connected between the first box surface 501 and the second box surface 502. When folding, the second box surface 502 can be folded to be laid between the first reinforcement surface 507 and the second reinforcement surface 508, and the edge of the second box cover 500 is hidden, so as to obtain a beautiful appearance; the first support surface 503 and the second support surface 504 of this embodiment are right-angled triangle structures, and one right-angle side of the right-angled triangle structure is connected to the first box surface 501, and the other right-angle side is connected to the first connecting surface 509. Two groups of first connecting surfaces 509 can be folded to be laid between the second box surface 502 and the first reinforcement surface 507. In this embodiment, the two groups of first connecting surfaces 509 coincide with the first reinforcement surface 507 and the second box surface 502. Figure 3 shown.

[0042] like Figure 1 , Figure 2 As shown, the box body 400 includes a first side surface 401, a second side surface 402 and a third side surface 403 connected in sequence, the first side surface 401 is connected to the first box surface 501 through the first folding line 300, the second side surface 402 is connected to the third support surface 404 and the fourth support surface 405 on both sides, and the third side surface 403 is respectively engaged with the third support surface 404 and the fourth support surface 405 on both sides. The third side surface 403 is engaged with the third support surface 404 and the fourth support surface 405 on both sides to form a quadrangular pyramid structure around the first side surface 401, the second side surface 402, the third side surface 403, the third support surface 404 and the fourth support surface 405, and when the box cover 500 and the box body 400 are closed, the bottom surface of the triangular prism of the box cover 500 can overlap with the top surface of the quadrangular pyramid structure of the box body 400.

[0043] Specifically, second clamping blocks 406 are provided on both sides of the third side surface 403, and second clamping ports 407 are provided on the third support surface 404 and the fourth support surface 405, and the second clamping blocks 406 are clamped with the second clamping ports 407; the third support surface 404 and the fourth support surface 405 are both connected with second connecting surfaces 408, and the second connecting surfaces 408 are bonded with the first side surface 401. The third support surface 404 and the fourth support surface 405 of this embodiment are both obtained by folding at least two groups of trapezoidal structures, and after folding, the side close to the third side surface 403 is not bonded but left with an opening to form the second clamping port 407; in order to facilitate the second clamping block 406 to be clamped into the second clamping port 407, the second clamping block 406 of this embodiment can be obtained by folding a plurality of rectangular structures; in order to improve the load-bearing capacity of the box body 400, the third side surface 403 of this embodiment can be obtained by folding a plurality of square structures.

[0044] like Figures 4 to 7As shown, the inner support 200 includes a first support surface 201, a second support surface 202 and a third support surface 203 connected in sequence, the first support surface 201 is respectively connected to the fifth support surface 204 and the sixth support surface 205, the third clamping block 206 is provided on both sides of the third support surface 203, the fifth support surface 204 and the sixth support surface 205 are both provided with a third clamping port 207, and the third clamping block 206 is clamped with the third clamping port 207. The clamping of the third clamping block 206 and the third clamping port 207 can surround the first support surface 201, the second support surface 202, the third support surface 203, the fifth support surface 204 and the sixth support surface 205 to form a quadrangular pyramid structure similar to the shape of the box body 400. In order to improve the load-bearing capacity of the inner support 200, the fifth support surface 204 and the sixth support surface 205 of this embodiment are both multi-layer structures, and the fifth support surface 204 and the sixth support surface 205 are both connected to the third connecting surface 208. When folded, the third connecting surface 208 is laid between the second support surface 202 and the third support surface 203. Among them, the side of the inner support 200 is arranged in close contact with the side of the box body 400, and the top outer edge of the inner support 200 is arranged higher than the top outer edge of the box body 400. The protruding part of the inner support 200 guides the closing of the box cover 500 and the box body 400. Figure 8 shown.

[0045] Embodiment 2

[0046] This embodiment is an embodiment of a method for forming a single cardboard combined special-shaped paper box, comprising the following steps:

[0047] S10. The cardboard is die-cut according to a pre-designed size and shape to obtain an outer box paper and an inner tray paper to be formed;

[0048] S20. The outer box paper to be formed in step S10 is transferred to the scraping glue area for gluing and bonding: the first support surface 503, the second support surface 504 and the first box surface 501 are folded and bonded; the third support surface 404, the fourth support surface 405 and the second side surface 402 are folded and bonded;

[0049] S30. The outer box paper to be formed in the bonding process of step S20 is folded to obtain the outer box 100: the second box surface 502 is folded and the two sides of the second box surface 502 are respectively snapped to the first support surface 503 and the second support surface 504, and the first side surface 401 is folded to the first side surface 401. Both sides are connected to the third support surface 404 and the fourth support surface 405;

[0050] S40. When the inner tray paper to be formed in step S10 is transferred to the scraping glue area for gluing and bonding: the fifth support surface 204, the sixth support surface 205 and the first support surface 201 are folded and bonded;

[0051] S50. The inner tray 200 to be formed by the bonding process in step S40 is folded to obtain the inner tray 200: the third tray surface 203 is folded to the sides of the third tray surface 203 and the fifth support surface 204 and the sixth support surface 205 are respectively engaged;

[0052] S60. Insert the inner tray 200 in step S50 into the inner side of the outer box 100 and the box body 400 in step S30 to obtain a complete box.

[0053] The die-cutting, gluing and folding processes in the above steps can all be completed using existing instruments and equipment. After the above steps, the production process is effectively simplified and the production efficiency is improved.

[0054] Obviously, the above 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. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A single cardboard combined special-shaped paper box, comprising an outer box (100) and an inner tray (200), wherein the inner tray (200) is arranged inside the outer box (100); characterized in that: The outer box (100) comprises a box body (400) and a box cover (500) connected by a first folding line (300); the box body (400) and the box cover (500) are first folding structures obtained by die-cutting a single cardboard, and the inner tray (200) is a second folding structure obtained by die-cutting a single cardboard; the box cover (500) comprises a first box surface (501) and a second box surface (502); the first box surface (501) is connected to the second box surface (502); the first box surface (501) and the second box surface (502) are connected on both sides of the first box surface (501) to a first supporting surface (503) and a second supporting surface (504); the second box surface (502) and the first supporting surface (503) and the second supporting surface (504) are respectively snap-connected; the box body (400) comprises a first side surface (401), a second side surface (402) and a third side surface (403) connected in sequence; the first side surface (501) and the second side surface (502) are respectively snap-connected to the first supporting surface (503) and the second supporting surface (504). A side surface (401) is connected to the first box surface (501) through a first folding line (300); the second side surface (402) is respectively connected to a third supporting surface (404) and a fourth supporting surface (405) on both sides; the third side surface (403) is respectively snap-connected to the third supporting surface (404) and the fourth supporting surface (405) on both sides; the inner support (200) comprises a first support surface (201), a second support surface (202) and a third support surface (203) which are connected in sequence; the first support surface (201) is respectively connected to a fifth supporting surface (204) and a sixth supporting surface (205) on both sides; third clamping blocks (206) are arranged on both sides of the third support surface (203); the fifth supporting surface (204) and the sixth supporting surface (205) are both provided with third clamping ports (207); the third clamping blocks (206) are snap-connected to the third clamping ports (207).

2. The single cardboard combined special-shaped paper box according to claim 1, characterized in that: First clamping blocks (505) are provided on both sides of the second box surface (502), and first clamping ports (506) are provided on the first supporting surface (503) and the second supporting surface (504), and the first clamping blocks (505) are clamped with the first clamping ports (506).

3. The single cardboard combined special-shaped paper box according to claim 2, characterized in that: A first reinforcement surface (507) and a second reinforcement surface (508) are connected between the first box surface (501) and the second box surface (502), and the second box surface (502) can be folded to be laid between the first reinforcement surface (507) and the second reinforcement surface (508).

4. The single cardboard combined special-shaped paper box according to claim 3, characterized in that: The first supporting surface (503) and the second supporting surface (504) are right-angled triangle structures, one right-angled side of the right-angled triangle structure is connected to the first box surface (501), and the other right-angled side is connected to the first connecting surface (509), and the two groups of first connecting surfaces (509) can be folded to be laid between the second box surface (502) and the first reinforcement surface (507).

5. The single cardboard combined special-shaped paper box according to claim 4, characterized in that: Second clamping blocks (406) are provided on both sides of the third side surface (403); the third supporting surface (404) and the fourth supporting surface (405) are both provided with second clamping ports (407); the second clamping blocks (406) are clamped with the second clamping ports (407); the third supporting surface (404) and the fourth supporting surface (405) are both connected with second connecting surfaces (408); the second connecting surfaces (408) are bonded to the first side surface (401).

6. The single cardboard combined special-shaped paper box according to claim 5, characterized in that: The side surface of the inner support (200) is arranged to fit the side surface of the box body (400), and the top outer edge of the inner support (200) is arranged to be higher than the top outer edge of the box body (400).

7. A method for forming a single cardboard combined special-shaped paper box according to any one of claims 1 to 6, characterized in that: The following steps are involved: S10. Die-cut the cardboard into a pre-designed size and shape to obtain an outer box paper and an inner tray paper to be formed; S20. The outer box paper to be formed in step S10 is conveyed to the glue scraping area for gluing and bonding: the first support surface (503), the second support surface (504) and the first box surface (501) are folded and bonded; the third support surface (404), the fourth support surface (405) and the second side surface (402) are folded and bonded; S30. Fold the paper to be formed into an outer box after the bonding process in step S20 to obtain an outer box (100): fold the second box surface (502) and snap the two sides of the second box surface (502) to the first support surface (503) and the second support surface (504), respectively; fold the first side surface (401) to the two sides of the first side surface (401) and connect them to the third support surface (404) and the fourth support surface (405), respectively; S40. After the inner support paper to be formed in step S10 is transferred to the glue scraping area for gluing and bonding: the fifth support surface (204), the sixth support surface (205) and the first support surface (201) are folded and bonded; S50. Fold the inner support (200) to be formed after the bonding process in step S40 to obtain the inner support (200): fold the third support surface (203) to the two sides of the third support surface (203) to be respectively connected with the fifth support surface (204) and the sixth support surface (205); S60. Insert the inner tray (200) in step S50 into the inner side of the box body (400) of the outer box (100) in step S30 to obtain a complete box.

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