Paper box material, paper box and forming method

Abstract

The present invention proposes a paper box material, a paper box and a forming method. By arranging a first folded ear, a second folded ear and a fourth folded ear, a plane figure formed by bending the first folded ear, the second folded ear and the fourth folded ear just covers the surface of the bottom gray board, eliminating the indentation of the facial paper on the bottom of the formed box, and the overall appearance is more beautiful. In addition, the paper box material can be cut after two sheets are relatively arranged, and the facial paper utilization rate is higher. The notch is arranged to make the roots of the first folded ear, the second folded ear and the fourth folded ear stronger, thereby preventing the facial paper from being displaced during the forming process.

Description

Technical Field

[0001] The invention relates to the technical field of paper box forming, and in particular to a paper box raw material, a paper box and a forming method. Background Art

[0002] Packaging plays a very important role in the advertising of goods. At present, the incoming paper box materials generally include four-fold gray board, bottom gray board and four-fold face paper. The four-fold gray board is connected to form a frame after being bent. The four-fold face paper is respectively wrapped on the surface of the four-fold gray board of the frame structure. Among them, the surface of the four-fold face paper also includes four folding ears extending beyond the length of the four-fold gray board, three of which are short folding ears and one long folding ear with the same area as the bottom gray board. The bottom gray board is set on the end face of the frame structure. The three short folding ears are attached to the surface of the bottom gray board after being bent, and the long folding ear is attached to the bottom gray board and the three short folding ears after being bent. The paper box with this structure has the following disadvantages:

[0003] 1. The three short folding ears overlap each other after being bent, resulting in obvious marks on the bottom surface of the molded box, affecting the overall appearance;

[0004] 2. The four-fold facial tissue is generally cut after two sheets are arranged oppositely during production. Due to the existence of the long fold ears, the facial tissue at the three short fold ears must be cut off, resulting in waste of facial tissue, low utilization rate, and heavy environmental load.

[0005] In response to the above shortcomings, Chinese patent CN201910247767.7 proposes a packaging paper box, comprising an integrally formed panel, the panel comprising a first side panel, a second side panel, a third side panel and a fourth side panel connected in sequence, the same end of the first side panel, the second side panel, the third side panel and the fourth side panel are respectively provided with a first cover plate, a second cover plate, a third cover plate and a fourth cover plate, the edges of the first side panel and the fourth side panel are interconnected to form a tubular structure with the same rectangular openings at both ends, the first cover plate and the rectangular opening have the same shape and size, the second cover plate, the third cover plate and the fourth cover plate are spliced ​​to form a bottom plate, and the bottom plate and the rectangular opening have the same shape and size.

[0006] However, in the actual production process, it is found that the above structure has the following disadvantages:

[0007] 1. The facial tissue currently used is generally thin, which is convenient for appearance design. With the packaging paper box with the above structure, the facial tissue on the bottom of the packaging box lacks its own strength and cannot support molding.

[0008] 2. When laminating, the gaps between the face papers 17 and 18, and the gaps between the face papers 16 and 17 of this structure are not strong enough, and are prone to positional displacement, and even damage to the face papers. Summary of the invention

[0009] In view of this, the present invention proposes a paper box material, a paper box and a forming method, which can effectively prevent the position of the facial paper from shifting during the forming process and is suitable for the forming of thinner and thicker facial papers.

[0010] The technical solution of the present invention is achieved in this way:

[0011] On the one hand, the present invention provides a paper box material, which includes facial paper (M), wherein the facial paper (M) is a continuous four-fold facial paper, respectively marked as a first folding facial paper (M1), a second folding facial paper (M2), a third folding facial paper (M3) and a fourth folding facial paper (M4), and the first folding facial paper (M1), the second folding facial paper (M2), the third folding facial paper (M3) and the fourth folding facial paper (M4) have a folding ear (M0) extending from one side in the length direction, and the first folding facial paper (M1), the second folding facial paper (M2), the third folding facial paper (M3) and the fourth folding facial paper (M4) have a first folding ear (M5), a second folding ear (M6), a third folding ear (M7) and a fourth folding facial paper (M4) extending from the other side in the length direction. The invention relates to a folding ear (M8), wherein the bottom width of the first folding ear (M5) is equal to the width of the first folding paper (M1) and notches are arranged on both sides of the top; the bottom width of the second folding ear (M6) is equal to the width of the second folding paper (M2) and a notch is arranged on the top side close to the first folding ear (M5); the length of the third folding ear (M7) is equal to the width of the second folding paper (M2) and the width is equal to the width of the first folding paper (M1); the bottom width of the fourth folding ear (M8) is equal to the width of the fourth folding paper (M4) and the top width is equal to the top width of the second folding ear (M6); and a notch is arranged on the bottom of the fourth folding ear (M8) close to the fourth folding paper (M4) and away from the third folding ear (M7).

[0012] On the basis of the above technical solution, preferably, the bottom width of the first folded ear (M5) is equal to the width of the first folded paper (M1) and chamfers with an angle of 45° are arranged on both sides of the top; the bottom width of the second folded ear (M6) is equal to the width of the second folded paper (M2) and a chamfer with an angle of 45° is arranged on the side of the top close to the first folded ear (M5); and the bottom of the fourth folded ear (M8) is close to the fourth folded paper (M4) and away from the third folded ear (M7) and a right-angled trapezoidal notch with a bottom angle of 45° is arranged on the side.

[0013] On the basis of the above technical solution, preferably, the facial paper (M) further comprises a fifth folding facial paper (M9), which is continuously arranged with the first folding facial paper (M1) and has a smaller width than the first folding facial paper (M1).

[0014] On the basis of the above technical solution, preferably, it also includes four continuous folded gray boards (H), respectively marked as the first gray board (H1), the second gray board (H2), the third gray board (H3) and the fourth gray board (H4), wherein the first gray board (H1), the second gray board (H2) and the third gray board (H3) overlap with the third folding paper (M3), the second folding paper (M2) and the first folding paper (M1), respectively.

[0015] On the basis of the above technical solution, preferably, it further comprises a bottom gray plate (N), wherein the length and width of the bottom gray plate (N) are respectively equal to the width of the first gray plate (H1) and the second gray plate (H2).

[0016] In a second aspect, the present invention provides a paper box, comprising face paper (M), a four-fold gray plate (H) and a bottom gray plate (N), wherein the four-fold gray plate (H) is folded and connected end to end to form a frame structure, and the bottom gray plate (N) is folded and placed at the end of the frame structure, and the face paper (M) is a continuous four-fold face paper, which is respectively marked as a first fold face paper (M1), a second fold face paper (M2), a third fold face paper (M3) and a fourth fold face paper (M4), and the four-fold face paper is folded and covered on four surfaces of the frame structure, wherein the first fold face paper (M1), the second fold face paper (M2), the third fold face paper (M3) and the fourth fold face paper (M4) are respectively marked as a first fold face paper (M1), a second fold face paper (M2), a third fold face paper (M3) and a fourth fold face paper (M4). 4) A first folded ear (M5), a second folded ear (M6), a third folded ear (M7) and a fourth folded ear (M8) are respectively extended from the other side in the length direction, and the first folded ear (M5), the second folded ear (M6) and the fourth folded ear (M8) are folded and pasted on the surface of the bottom gray plate (N), and the plane figure formed by the first folded ear (M5), the second folded ear (M6) and the fourth folded ear (M8) after being bent just covers the surface of the plane figure formed by the first folded ear (M5), the second folded ear (M6) and the fourth folded ear (M8) after being bent.

[0017] On the basis of the above technical solution, preferably, the bottom width of the first folded ear (M5) is equal to the width of the first folded paper (M1) and notches are provided on both sides of the top; the bottom width of the second folded ear (M6) is equal to the width of the second folded paper (M2) and a notch is provided on the top side close to the first folded ear (M5); the length of the third folded ear (M7) is equal to the width of the second folded paper (M2) and the width is equal to the width of the first folded paper (M1); the bottom width of the fourth folded ear (M8) is equal to the width of the fourth folded paper (M4) and the top width is equal to the top width of the second folded ear (M6); and a notch is provided on the bottom of the fourth folded ear (M8) close to the fourth folded paper (M4) and away from the third folded ear (M7).

[0018] On the basis of the above technical solution, preferably, the facial paper (M) further includes a fifth folded facial paper (M9), which is continuously arranged with the first folded facial paper (M1) and has a width smaller than the first folded facial paper (M1), and the fifth folded facial paper (M9) is folded and pasted on the surface of the frame structure.

[0019] In a third aspect, the present invention provides a paper box forming method, comprising the following steps:

[0020] S1, providing face paper (M), a four-fold gray board (H) and a bottom gray board (N), wherein the four-fold gray board (H) comprises a continuous first gray board (H1), a second gray board (H2), a third gray board (H3) and a fourth gray board (H4), the face paper (M) is a continuous four-fold face paper, marked as a first fold face paper (M1), a second fold face paper (M2), a third fold face paper (M3) and a fourth fold face paper (M4), and the first fold face paper (M1), the second fold face paper (M2), the third fold face paper (M3) and the fourth fold face paper (M4) extend from the other side of the length direction thereof respectively to form a first fold ear (M5), a second fold ear (M6), a third fold ear (M7) and a fourth fold ear (M8), and the first gray board (H1), the second gray board (H2) and the third gray board (H3) overlap with the third fold face paper (M3), the second fold face paper (M2) and the first fold face paper (M1) respectively;

[0021] S2, bend the first gray board (H1), the second gray board (H2), the third gray board (H3) and the fourth gray board (H4), connect them end to end to form a frame structure, cover the surrounding surface of the forming mold, bend the fourth folding paper (M4) and stick it on the surface of the fourth gray board (H4);

[0022] S3, attach the bottom gray plate (N) to the end surface of the forming mold;

[0023] S4, bend the first folded ear (M5), the second folded ear (M6) and the fourth folded ear (M8) and stick them on the surface of the bottom gray plate (N), and the plane figure formed by the first folded ear (M5), the second folded ear (M6) and the fourth folded ear (M8) after bending just covers the surface of the bottom gray plate (N);

[0024] S5, bend the third folded ear (M7) and stick it on the surface of the first folded ear (M5), the second folded ear (M6) and the fourth folded ear (M8), and the third folded ear (M7) just covers the plane pattern surface formed by bending the first folded ear (M5), the second folded ear (M6) and the fourth folded ear (M8);

[0025] The order of steps S2 and S3 may be reversed.

[0026] On the basis of the above technical solution, preferably, the bottom width of the first folded ear (M5) is equal to the width of the first folded paper (M1) and notches are provided on both sides of the top; the bottom width of the second folded ear (M6) is equal to the width of the second folded paper (M2) and a notch is provided on the top side close to the first folded ear (M5); the length of the third folded ear (M7) is equal to the width of the second folded paper (M2) and the width is equal to the width of the first folded paper (M1); the bottom width of the fourth folded ear (M8) is equal to the width of the fourth folded paper (M4) and the top width is equal to the top width of the second folded ear (M6); and a notch is provided on the bottom of the fourth folded ear (M8) close to the fourth folded paper (M4) and away from the third folded ear (M7).

[0027] On the basis of the above technical solution, preferably, the step S2 includes:

[0028] S2-1, pressing the bottom of the forming mold against the second gray plate (H2);

[0029] S2-2, flipping the first gray board (H1) and the third gray board (H3) and attaching them to the side surface of the forming mold, and flipping the fourth gray board (H4) and attaching it to the top surface of the forming mold;

[0030] S2-3, bend the fourth folded paper (M4) and stick it on the surface of the fourth gray board (H4).

[0031] Compared with the prior art, the paper box material, paper box and forming method of the present invention have the following beneficial effects:

[0032] (1) By providing the first folding ear, the second folding ear and the fourth folding ear, the plane figure formed by the first folding ear, the second folding ear and the fourth folding ear just covers the surface of the bottom gray board, eliminating the indentation of the facial paper at the bottom of the formed box, making the overall appearance more beautiful, and the paper box material can be cut after two sheets are arranged relatively, so that the facial paper utilization rate is higher;

[0033] (2) The notches are provided to make the roots of the first folded ear, the second folded ear and the fourth folded ear stronger, thereby preventing the position of the face paper from shifting during the forming process and increasing the yield rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0035] Figure 1 is a flow chart of the paper box forming method of the present invention;

[0036] Figure 2 A plan view of the tissue paper material of the present invention;

[0037] Figure 3 It is a plan view of the grey board material of the present invention;

[0038] Figure 4 It is a diagram of the carton forming state of the present invention. DETAILED DESCRIPTION

[0039] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] like Figure 1 As shown, the paper box material of the present invention includes a face paper M, a continuous four-fold gray board H and a bottom gray board N.

[0041] A continuous four-fold gray plate H, such as Figure 3 As shown, they are marked as the first gray board H1, the second gray board H2, the third gray board H3 and the fourth gray board H4, which are connected end to end to form a frame structure after being bent to form four supporting force-bearing surfaces around the paper box. Specifically, the first gray board H1, the second gray board H2 and the third gray board H3 overlap with the third folding paper M3, the second folding paper M2 and the first folding paper M1 respectively.

[0042] The bottom gray plate N, as the force-bearing part of the bottom of the paper box, seals the bottom opening of the frame structure. Specifically, its length and width are respectively equal to the width of the first gray plate H1 and the second gray plate H2, ensuring that it just seals the bottom opening of the frame structure.

[0043] The facial paper M is a continuous four-fold facial paper, such as Figure 2 As shown, the first folding paper M1, the second folding paper M2, the third folding paper M3 and the fourth folding paper M4 are marked respectively, and are used to cover the four sides of the paper box, protect the gray board H and print advertising content. Among them, the first folding paper M1, the second folding paper M2, the third folding paper M3 and the fourth folding paper M4 extend from one side of the length direction, and the folding ear M0 is folded and covered on the end surface and inner surface of the four-fold gray board H.

[0044] The first folding paper M1, the second folding paper M2, the third folding paper M3 and the fourth folding paper M4 extend from the other side of the length direction thereof, respectively, wherein the first folding paper M1, the second folding paper M2 and the fourth folding paper M4 are pasted on the surface of the bottom gray board N after being bent, so as to fix the bottom gray board N, and the third folding ear M7 is bent to cover the bottom of the paper box to prevent the first folding paper M1, the second folding paper M2, the fourth folding paper M4 and the bottom gray board N from being exposed. In order to prevent the first folding paper M1, the second folding paper M2 and the fourth folding paper M4 from overlapping each other after being bent, resulting in obvious indentations on the product appearance, such as Figure 4 As shown, the first folding paper M1, the second folding paper M2 and the fourth folding paper M4 need to be bent and pasted to cover the entire surface of the bottom gray board N, the bottom width of the first folding ear M5 is equal to the width of the first folding paper M1 and notches are set on both sides of the top, the bottom width of the second folding ear M6 is equal to the width of the second folding paper M2 and a notch is set on the top side close to the first folding ear M5, the length of the third folding ear M7 is equal to the width of the second folding paper M2 and the width is equal to the width of the first folding paper M1, the bottom width of the fourth folding ear M8 is equal to the width of the fourth folding paper M4 and the top width is equal to the top width of the second folding ear M6, and a notch is set on the bottom of the fourth folding ear M8 close to the fourth folding paper M4 and away from the third folding ear M7.

[0045] In a preferred embodiment, the bottom width of the first folded ear M5 is equal to the width of the first folded face paper M1 and the top two sides are provided with 45° chamfers, the bottom width of the second folded ear M6 is equal to the width of the second folded face paper M2 and the top side close to the first folded ear M5 is provided with a 45° chamfer, and the bottom of the fourth folded ear M8 is close to the fourth folded face paper M4 and away from the third folded ear M7. A right-angled trapezoidal notch with a bottom angle of 45° is provided. In this way, the 45° chamfers and the right-angled trapezoidal notch cooperate with each other after bending, just covering the entire surface of the bottom gray board N, and leaving no gaps between them.

[0046] The facial paper M also includes a fifth folded facial paper M9, which is continuously arranged with the first folded facial paper M1 and has a smaller width than the first folded facial paper M1. In this way, the fifth folded facial paper M9 is folded and pasted on the surface of the gray board H, so as to prevent the end connection of the first gray board H1 and the fourth gray board H4 from being exposed, and to improve the bonding strength of the end connection of the first gray board H1 and the fourth gray board H4.

[0047] The paper box of the present invention is introduced below, which includes a face paper M, a four-fold gray board H and a bottom gray board N.

[0048] The four-folded gray board H is connected end to end after being bent to form a frame structure, and the bottom gray board N is placed at the end of the frame structure after being bent.

[0049] The facial paper M adopts the paper box material of the present invention, and the first fold ear M5, the second fold ear M6 and the fourth fold ear M8 are folded and pasted on the surface of the bottom gray board N, and the plane figure formed by the first fold ear M5, the second fold ear M6 and the fourth fold ear M8 after bending just covers the surface of the plane figure formed by the first fold ear M5, the second fold ear M6 and the fourth fold ear M8 after bending.

[0050] The plane figure formed by the first folded ear M5, the second folded ear M6 and the fourth folded ear M8 after being bent just covers the surface of the bottom gray plate N, so as to prevent overlapping and causing obvious indentations on the product appearance.

[0051] The fifth folding paper M9 is continuously arranged with the first folding paper M1 and has a smaller width than the first folding paper M1. The fifth folding paper M9 is folded and pasted on the surface of the frame structure.

[0052] The paper box forming method of the present invention is described below, comprising the following steps:

[0053] S1, first, provide a face paper M, a four-fold gray board H and a bottom gray board N, wherein the face paper M, the four-fold gray board H and the bottom gray board N are the paper box materials of the present invention;

[0054] Then, the first gray board H1, the second gray board H2 and the third gray board H3 are overlapped with the third folding paper M3, the second folding paper M2 and the first folding paper M1 respectively and then pasted;

[0055] Next, the folded ears M0 corresponding to the third folded paper M3, the second folded paper M2 and the first folded paper M1 are bent and covered on the end faces and inner surfaces of the first gray board H1, the second gray board H2 and the third gray board H3;

[0056] S2, bend the first gray board H1, the second gray board H2, the third gray board H3 and the fourth gray board H4, connect them end to end to form a frame structure, cover the surrounding surface of the forming mold, and bend the fourth folding paper M4 and stick it on the surface of the fourth gray board H4. Specifically, the step S2 includes:

[0057] S2-1, pressing the bottom of the forming mold against the second gray plate H2;

[0058] S2-2, flip the first gray board H1 and the third gray board H3 and attach them to the side surface of the forming mold, flip the fourth gray board H4 and attach it to the top surface of the forming mold;

[0059] S2-3, bend the fourth folded paper M4 and stick it on the surface of the fourth gray board H4.

[0060] S3, attach the bottom gray plate N to the end surface of the forming mold;

[0061] S4, bend the first folded ear M5, the second folded ear M6 and the fourth folded ear M8 and stick them on the surface of the bottom gray board N, and the plane figure formed by the first folded ear M5, the second folded ear M6 and the fourth folded ear M8 after bending just covers the surface of the bottom gray board N. Specifically, the step S4 includes:

[0062] S4-1, bend the first folding ear M5 and the second folding ear M6 and stick them on the surface of the bottom gray plate N;

[0063] S4-2, bend the fourth folded ear M8 and stick it on the surface of the bottom gray plate N, so that the plane figure formed by the first folded ear M5, the second folded ear M6 and the fourth folded ear M8 just covers the surface of the bottom gray plate N;

[0064] S5, bend the third folded ear M7 and stick it on the surface of the first folded ear M5, the second folded ear M6 and the fourth folded ear M8, and the third folded ear M7 just covers the plane pattern surface formed by bending the first folded ear M5, the second folded ear M6 and the fourth folded ear M8;

[0065] S6, bend the folded ears M0 corresponding to the fourth gray board H4 and cover them on the end surface and inner surface of the fourth gray board H4 to obtain a formed paper box, keep the formed paper box under pressure to remove bubbles, and then remove it from the forming mold.

[0066] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A paper box material, comprising facial paper (M), wherein the facial paper (M) is a continuous four-fold facial paper, respectively marked as a first fold facial paper (M1), a second fold facial paper (M2), a third fold facial paper (M3) and a fourth fold facial paper (M4), wherein the first fold facial paper (M1), the second fold facial paper (M2), the third fold facial paper (M3) and the fourth fold facial paper (M4) have folded ears (M0) extending from one side in the length direction, characterized in that: A first folding ear (M5), a second folding ear (M6), a third folding ear (M7) and a fourth folding ear (M8) are respectively extended from the other side of the length direction of the first folding paper (M1), the second folding paper (M2), the third folding ear (M3) and the fourth folding ear (M8), wherein the bottom width of the first folding ear (M5) is equal to the width of the first folding paper (M1) and notches are arranged on both sides of the top; the bottom width of the second folding ear (M6) is equal to the width of the second folding paper (M2) and a notch is arranged on the top side close to the first folding ear (M5); the length of the third folding ear (M7) is equal to the width of the second folding paper (M2) and the width is equal to the width of the first folding paper (M1); the bottom width of the fourth folding ear (M8) is equal to the width of the fourth folding paper (M4) and the top width is equal to the top width of the second folding ear (M6); and the bottom of the fourth folding ear (M8) is close to the fourth folding paper (M4) and away from the third folding ear (M7) and a notch is arranged on the side.

2. The carton material according to claim 1, characterized in that: The facial paper (M) further comprises a fifth folding facial paper (M9), which is arranged continuously with the first folding facial paper (M1) and has a smaller width than the first folding facial paper (M1).

3. The carton material according to claim 1, characterized in that: The bottom width of the first folding ear (M5) is equal to the width of the first folding paper (M1), and chamfers with a 45° angle are arranged on both sides of the top; the bottom width of the second folding ear (M6) is equal to the width of the second folding paper (M2), and a chamfer with a 45° angle is arranged on the side of the top close to the first folding ear (M5); the bottom of the fourth folding ear (M8) is close to the fourth folding paper (M4) and away from the third folding ear (M7) and a right-angled trapezoidal notch with a bottom angle of 45° is arranged on the side.

4. The carton material according to claim 1, characterized in that: It also includes a bottom gray plate (N), the length and width of which are respectively equal to the widths of the first gray plate (H1) and the second gray plate (H2).

5. A paper box, characterized in that: The invention comprises a face paper (M), a four-fold gray plate (H) and a bottom gray plate (N), wherein the four-fold gray plate (H) is connected end to end to form a frame structure after being bent, and the bottom gray plate (N) is placed at the end of the frame structure after being bent, and the face paper (M) is a continuous four-fold face paper, which is respectively marked as a first fold face paper (M1), a second fold face paper (M2), a third fold face paper (M3) and a fourth fold face paper (M4), and the four fold face papers are wrapped on four surfaces of the frame structure after being bent, and the first fold face paper (M1), the second fold face paper (M2), the third fold face paper (M3) and the fourth fold face paper (M4) are connected to each other in the length direction. A first folding ear (M5), a second folding ear (M6), a third folding ear (M7) and a fourth folding ear (M8) are respectively extended from the sides, and the first folding ear (M5), the second folding ear (M6) and the fourth folding ear (M8) are folded and pasted on the surface of the bottom gray plate (N), and the plane figure formed by the first folding ear (M5), the second folding ear (M6) and the fourth folding ear (M8) after being bent just covers the surface of the plane figure formed by the first folding ear (M5), the second folding ear (M6) and the fourth folding ear (M8) after being bent; The bottom width of the first folding ear (M5) is equal to the width of the first folding paper (M1) and notches are arranged on both sides of the top; the bottom width of the second folding ear (M6) is equal to the width of the second folding paper (M2) and a notch is arranged on the top side close to the first folding ear (M5); the length of the third folding ear (M7) is equal to the width of the second folding paper (M2) and the width is equal to the width of the first folding paper (M1); the bottom width of the fourth folding ear (M8) is equal to the width of the fourth folding paper (M4) and the top width is equal to the top width of the second folding ear (M6); and a notch is arranged on the bottom of the fourth folding ear (M8) close to the fourth folding paper (M4) and away from the third folding ear (M7).

6. The paper box according to claim 5, characterized in that: The facial paper (M) also includes a fifth folded facial paper (M9), which is continuously arranged with the first folded facial paper (M1) and has a width smaller than the first folded facial paper (M1). The fifth folded facial paper (M9) is folded and pasted on the surface of the frame structure.

7. A paper box forming method, characterized in that: The following steps are included: S1, providing face paper (M), a four-fold gray board (H) and a bottom gray board (N), wherein the four-fold gray board (H) comprises a continuous first gray board (H1), a second gray board (H2), a third gray board (H3) and a fourth gray board (H4), the face paper (M) is a continuous four-fold face paper, marked as a first fold face paper (M1), a second fold face paper (M2), a third fold face paper (M3) and a fourth fold face paper (M4), and the first fold face paper (M1), the second fold face paper (M2), the third fold face paper (M3) and the fourth fold face paper (M4) extend from the other side of the length direction thereof respectively to form a first fold ear (M5), a second fold ear (M6), a third fold ear (M7) and a fourth fold ear (M8), and the first gray board (H1), the second gray board (H2) and the third gray board (H3) overlap with the third fold face paper (M3), the second fold face paper (M2) and the first fold face paper (M1) respectively; S2, bend the first gray board (H1), the second gray board (H2), the third gray board (H3) and the fourth gray board (H4), connect them end to end to form a frame structure, cover the surrounding surface of the forming mold, bend the fourth folding paper (M4) and stick it on the surface of the fourth gray board (H4); S3, attach the bottom gray plate (N) to the end surface of the forming mold; S4, bend the first folded ear (M5), the second folded ear (M6) and the fourth folded ear (M8) and stick them on the surface of the bottom gray plate (N), and the plane figure formed by the first folded ear (M5), the second folded ear (M6) and the fourth folded ear (M8) after bending just covers the surface of the bottom gray plate (N); S5, bend the third folded ear (M7) and stick it on the surface of the first folded ear (M5), the second folded ear (M6) and the fourth folded ear (M8), and the third folded ear (M7) just covers the plane pattern surface formed by bending the first folded ear (M5), the second folded ear (M6) and the fourth folded ear (M8); Wherein, the order of steps S2 and S3 can be reversed; The bottom width of the first folding ear (M5) is equal to the width of the first folding paper (M1) and notches are arranged on both sides of the top; the bottom width of the second folding ear (M6) is equal to the width of the second folding paper (M2) and a notch is arranged on the top side close to the first folding ear (M5); the length of the third folding ear (M7) is equal to the width of the second folding paper (M2) and the width is equal to the width of the first folding paper (M1); the bottom width of the fourth folding ear (M8) is equal to the width of the fourth folding paper (M4) and the top width is equal to the top width of the second folding ear (M6); and a notch is arranged on the bottom of the fourth folding ear (M8) close to the fourth folding paper (M4) and away from the third folding ear (M7).

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