Carton and tongue connecting process thereof

Abstract

The invention relates to a carton and a tongue connecting process thereof, and relates to the technical field of carton production, the carton comprises a carton body, the carton body comprises two long paperboards and two short paperboards which are alternately arranged, upper outer rocking covers are fixedly arranged at the upper ends of the two long paperboards, and lower outer rocking covers are fixedly arranged at the lower ends of the two short paperboards; two upper inner rocking covers corresponding to the upper outer rocking covers are fixedly arranged at the upper ends of the two short paperboards, and a connecting tongue is arranged at one end of one of the two long paperboards located on the edge of the carton body. The trapezoid connecting tongues are wide in root portion and narrow in end portion, in the actual use process, when the lower inner swing cover and the lower outer swing cover are folded with the upper inner swing cover and the upper outer swing cover, the narrow end portion can avoid the situation as much as possible that when the lower inner swing cover and the lower outer swing cover are folded, the narrow end portion makes contact with the upper inner swing cover and the lower inner swing cover, one side of the narrow end portion protrudes, scissors difference is formed, and the appearance of the carton body is affected.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of carton production, in particular to a carton and a tongue connecting process thereof. BACKGROUND

[0002] In the carton manufacturing industry, the structural design and production process of the carton directly affect its performance and appearance quality. At present, the design of the outer flaps and inner flaps of the carton is a key link in carton manufacturing, and the folding effect of the flaps is directly related to the carton sealing quality and user experience.

[0003] However, in actual production, due to the unreasonable design of the tongue, the scissors difference phenomenon often occurs when the outer flaps of the carton are folded, which not only affects the appearance of the carton, but also may lead to misjudgment of the user as a manufacturing quality problem, thereby causing complaints. SUMMARY

[0004] (I) Technical problems solved

[0005] The purpose of the present application is to provide a carton and a tongue connecting process thereof to solve the problem that in actual production, due to the unreasonable design of the tongue, the scissors difference phenomenon often occurs when the outer flaps of the carton are folded, which not only affects the appearance of the carton, but also may lead to misjudgment of the user as a manufacturing quality problem, thereby causing complaints.

[0006] The carton provided by the present application adopts the following technical solution: a carton body, the carton body includes two long paperboards and two short paperboards arranged alternately, the upper end of each of the two long paperboards is fixedly provided with an upper outer flap, the upper end of each of the two short paperboards is fixedly provided with two upper inner flaps corresponding to the upper outer flaps, and one end of the long paperboard located at the edge of the carton body is provided with a tongue;

[0007] The lower end of each of the two long paperboards is fixedly provided with a lower outer flap, and the lower end of each of the two short paperboards is fixedly provided with a lower inner flap corresponding to the lower outer flap.

[0008] By adopting the above technical solution, by adopting a trapezoidal tongue root wide and end narrow, in actual use, when the lower inner flaps, the lower outer flaps and the upper inner flaps, the upper outer flaps are folded, the narrower end can avoid contacting the upper inner flaps and the lower inner flaps as much as possible, thereby causing one side to protrude and forming a scissors difference, thereby affecting the appearance of the carton body.

[0009] Preferably, one surface of each of the two short paperboards located at the edge is fixedly provided with a limiting strip, the limiting strip is pasted on the surface of the short paperboard by glue, and the distance between the limiting strip on one side and the edge of the short paperboard is the same as the width of the tongue.

[0010] By adopting the technical scheme, the abutment tongue position can be limited during box sticking, so that the box sticking precision can be improved, and the paper box production quality can be improved, and the defective product generation can be reduced.

[0011] Preferably, the abutment tongue is a trapezoidal structure, wherein the length of the side close to the long paperboard is greater than the length of the side away from the long paperboard, and a connecting piece is fixedly arranged on the surface of the abutment tongue, and a plurality of reinforcing ribs are fixedly arranged on the surface of the connecting piece along the length direction of the connecting piece;

[0012] By adopting the technical scheme, the overall strength of the paper box body can be increased by arranging the reinforcing ribs, so that the damage probability of the paper box body during use can be reduced, and the service life of the paper box body can be improved.

[0013] Preferably, the surface of the abutment tongue is coated with a layer of nanoscale hydrophobic material.

[0014] By adopting the technical scheme, the waterproof performance of the paper box body can be improved by coating the surface of the abutment tongue with a layer of nanoscale hydrophobic material, so that the paper box body can be suitable for goods packaging in high humidity environment.

[0015] Preferably, the connecting piece is pasted on the surface of the abutment tongue by glue, and the plurality of reinforcing ribs are pasted on the surface of the connecting piece by glue.

[0016] By adopting the technical scheme, the connecting piece, the abutment tongue and the reinforcing ribs are connected by glue, so that the connecting process is simple and convenient for production.

[0017] Preferably, the reinforcing rib is made of high-strength paper material, and the cross section of the reinforcing rib is semicircular.

[0018] By adopting the technical scheme, the reinforcing rib can strengthen the structural strength of the abutment tongue, and the abutment tongue is not easy to be damaged during use.

[0019] Preferably, the surface of the upper outer flap and the lower outer flap arranged on the long paperboard at the edge is fixedly connected with a Velcro wool surface, the surface of the upper outer flap and the lower outer flap arranged on the long paperboard in the middle is fixedly provided with an extension piece, the surface of the two extension pieces is fixedly provided with a Velcro hook surface corresponding to the Velcro wool surface, one side of the upper outer flap and the lower outer flap arranged on the long paperboard at the edge is fixedly provided with a clamping plate, and the inside of the two extension plates is provided with a clamping groove corresponding to the clamping plate.

[0020] By adopting the technical scheme, the paper box can be repeatedly opened and closed during use by the Velcro wool surface and the Velcro hook surface, and the use of adhesive tape is not required during use, which is more environmentally friendly.

[0021] Preferably, the two short paperboards are provided with U-shaped grooves, and waterproof stickers are attached to the surfaces of the two short paperboards corresponding to the U-shaped grooves.

[0022] By adopting the above technical scheme, the waterproof stickers can prevent the inside of the paper box body from being damp, and when the paper box needs to be carried, the waterproof stickers are removed, the paperboard above the U-shaped groove is bent inward, a groove is formed, and the paper box can be conveniently carried by inserting fingers into the groove.

[0023] The application provides a paper box and a tongue connecting process thereof, which comprises the following steps.

[0024] S1. The corrugated paperboard is placed in a die-cutting machine to cut out the shape of the paper box body, including the upper and lower outer flaps at the two ends of the two long paperboards, the upper and lower inner flaps at the two ends of the two short paperboards, the connecting plate, the tongue, and the two U-shaped grooves, and creases are pressed between the two long paperboards, the two short paperboards, the upper and lower inner flaps, the upper and lower outer flaps, the tongue, and the connecting plate.

[0025] S2. Paper for making the connecting piece is prepared, and then glue is applied to the flat side of the reinforcing ribs and attached to the surface of the paper, so that the reinforcing ribs are perpendicular to the two edges of the paper and are equally distributed on the surface of the paper. Then, the paper is cut into connecting pieces of the same size and shape as the tongue using a cutting device, and the reinforcing ribs are distributed along the length of the connecting piece during cutting.

[0026] S3. Glue is applied to the surface of the tongue, and the glue is evenly distributed on the surface of the tongue during application. Then, the connecting piece is attached to the surface of the tongue with the side opposite to the reinforcing ribs, and the connecting piece is completely corresponding to the tongue during operation. Then, the surface of the limiting strip is coated with glue, and the limiting strip is attached to the side of the short paperboard located at the edge corresponding to the connecting piece. The distance between the limiting strip and the edge of the short paperboard is the same as the width of the tongue during attachment.

[0027] S4. Two magic sticker rough surfaces are prepared and attached to the surfaces of the upper and lower outer flaps provided on the long paperboard located at the edge. Then, two extension pieces are prepared, and magic sticker hook surfaces are attached to the surfaces of the two extension pieces. Then, the two extension pieces are attached to the surfaces of the upper and lower outer flaps provided on the long paperboard located at the middle, and the positions of the magic sticker rough surfaces and the magic sticker hook surfaces correspond to each other during attachment. Then, waterproof stickers are attached to the surfaces of the two short paperboards corresponding to the U-shaped grooves.

[0028] S5. In the process of sticking the box, the glue is applied to the side of the tongue opposite to the connecting piece, then the paper box body is folded along the crease pressed in S1, then the side of the tongue with the glue is pasted to the side of the short paperboard with the limiting strip, the short edge of the tongue is stuck to the limiting strip pasted on the surface of the short paperboard, then the two lower inner flaps are folded inwardly to the paper box body, then the two lower outer flaps are also folded, then the two lower outer flaps are pasted together by using the adhesive tape.

[0029] (II) Beneficial effects

[0030] In summary, the present application includes at least one of the following beneficial technical effects:

[0031] 1. The present application provides a paper box and its tongue process, by adopting a trapezoidal tongue root wide and end narrow, in the actual use process, when the lower inner flap, the lower outer flap and the upper inner flap, the upper outer flap are folded, the narrower end can avoid contacting the upper inner flap and the lower inner flap as much as possible, thereby causing one side to protrude and forming a scissors difference, thereby affecting the appearance of the paper box body.

[0032] 2. The present application provides a paper box and its tongue process, by setting a connecting piece on the surface of the tongue, setting a plurality of reinforcing ribs on the surface of the connecting piece, enhancing the overall structural strength of the paper box in the use process, thereby reducing the damage probability of the paper box, thereby increasing the service life of the paper box, at the same time, the surface of the tongue is coated with a nanoscale hydrophobic material, which allows air circulation and prevents water penetration, so that the paper box body is suitable for goods packaging in high humidity environment, increases the application range of the paper box, at the same time, a limiting strip is arranged, which can limit the position of the tongue when the paper box body is stuck, thereby improving the sticking accuracy of the paper box, thereby ensuring the production quality and reducing the generation of defective products.

[0033] 3. The present application provides a paper box and its tongue process, by setting a magic tape wool surface and a magic tape hook surface, a clamping plate and a clamping groove, in the process of closing the box, the two lower inner flaps are folded, then the lower outer flaps on the long paperboard inside are folded, the clamping plate is inserted into the clamping groove in the extension piece during the folding process, the magic tape wool surface and the magic tape hook surface are pasted together after the lower outer flaps on the long paperboard at the edge are folded, then the clamping plate is inserted into the clamping groove in the extension piece, which can be used to pack goods, and the next step is repeated after the packing is completed to complete the sealing of the box, in the use process, the magic tape wool surface and the magic tape hook surface can realize the repeated opening and closing of the paper box, and the use of adhesive tape for sealing the box is more environmentally friendly. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0035] Figure 2It is a schematic view of the hook face mounting structure of the magic tape of the application.

[0036] Figure 3 It is a schematic view of the reinforcing rib distribution structure of the application.

[0037] Figure 4 It is Figure 1 It is an enlarged view of the structure at A.

[0038] Wherein, 1, carton body; 101, long paperboard; 102, short paperboard; 103, upper outer flap; 104, lower outer flap; 105, upper inner flap; 106, lower inner flap; 107, tongue; 108, connecting piece; 109, reinforcing rib; 110, limiting strip; 2, magic tape rough surface; 3, clamping plate; 4, extension piece; 5, clamping groove; 6, magic tape hook surface; 7, waterproof paste; 8, U-shaped groove. DETAILED DESCRIPTION

[0039] The following will be combined with the accompanying Figure 1 - the accompanying Figure 4 , the application is further described in detail.

[0040] Example 1: a carton, referring to Figure 1 , Figure 2 and Figure 3 , Figure 4 , including carton body 1, the carton body 1 includes two long paperboard 101 and two short paperboard 102 arranged alternately, the upper end of the two long paperboard 101 is fixedly provided with an upper outer flap 103, the upper end of the two short paperboard 102 is fixedly provided with two upper inner flaps 105 corresponding to the upper outer flap 103, one end of the two long paperboard 101 located at the edge of the carton body 1 is provided with a tongue 107, the lower end of the two long paperboard 101 is fixedly provided with a lower outer flap 104, the lower end of the two short paperboard 102 is fixedly provided with a lower inner flap 106 corresponding to the lower outer flap 104, one surface of the two short paperboard 102 located at the edge is fixedly provided with a limiting strip 110, the limiting strip 110 is pasted on the surface of the short paperboard 102 by glue, the distance between the limiting strip 110 and the short paperboard edge 102 on one side is the same as the width of the tongue 107, by setting the limiting strip 110, the position of the tongue 107 can be limited when sticking the carton, so as to improve the sticking accuracy, thereby increasing the production quality of the carton and reducing the generation of defective products;

[0041] The tongue 107 is a trapezoidal structure, wherein the length of the side close to the long paperboard 101 is greater than the length of the side away from the long paperboard 101, the surface of the tongue 107 is fixedly provided with a connecting sheet 108, the surface of the connecting sheet 108 is fixedly provided with a plurality of reinforcing ribs 109 distributed at equal intervals along the length direction of the connecting sheet 108, the reinforcing ribs 109 can increase the overall strength of the carton body 1, thereby reducing the damage probability of the carton body 1 during use, thereby prolonging the service life of the carton body 1, the surface of the tongue 107 is coated with a layer of nanoscale hydrophobic material, the nanoscale hydrophobic material coated on the surface of the tongue 107 can increase the waterproof performance of the carton body 1 during use, so that the carton body 1 can be suitable for goods packaging in a high humidity environment, the connecting sheet 108 is pasted on the surface of the tongue 107 by glue, the plurality of reinforcing ribs 109 are pasted on the surface of the connecting sheet 108 by glue, the connecting sheet 108, the tongue 107 and the reinforcing ribs 109 are connected by glue, so that the connecting process is simple and convenient for production, the reinforcing ribs 109 are made of high-strength paper material, the cross section of the reinforcing rib 109 is semicircular, and the reinforcing rib 109 can strengthen the structural strength of the tongue 107 and is not easy to be damaged during use.

[0042] The surfaces of the upper outer flaps 103 and the lower outer flaps 104 provided on the long paperboard 101 at the edges are fixedly connected with the Velcro 2, the surfaces of the upper outer flaps 103 and the lower outer flaps 104 provided on the long paperboard 101 at the middle are fixedly provided with the extension sheets 4, the surfaces of the two extension sheets 4 are fixedly provided with the Velcro 6 corresponding to the Velcro 2, one side of the upper outer flaps 103 and the lower outer flaps 104 provided on the long paperboard 101 at the edges is fixedly provided with the clamping plate 3, and the inside of the extension sheet 4 is provided with the clamping groove 5 corresponding to the clamping plate 3, the Velcro 2 and the Velcro 6 can realize repeated opening and closing of the carton during use, and the use of adhesive tape for sealing the carton is more environmentally friendly, the upper end of the two short paperboards 102 is provided with the U-shaped groove 8, and the surface of the two short paperboards 102 is pasted with the waterproof sticker 7 at a position corresponding to the U-shaped groove 8, the waterproof sticker 7 can prevent moisture from occurring in the inside of the carton body 1 during use, and when the carton needs to be carried, the waterproof sticker 7 is removed, then the paperboard above the U-shaped groove 8 is bent inward, a groove is formed, and then the fingers are inserted into the groove to conveniently carry the carton.

[0043] The paper box and the tongue process thereof are also disclosed in the embodiments of the present application, which are suitable for the paper box described above, and the specific steps are as follows:

[0044] S1. Put the corrugated board into the die-cutting machine to cut out the shape of the carton body 1, including the upper and lower outer flaps 103 and 104 at both ends of the two long paperboards 101, the upper and lower inner flaps 105 and 106 at both ends of the two short paperboards 102, the connecting plate 5, the tongue 107 and the two U-shaped grooves 8, and press creases between the two long paperboards 101, the two short paperboards 102, the upper and lower inner flaps 105 and 106, the upper and lower outer flaps 103 and 104, and the tongue 107;

[0045] S2. Prepare the paper for making the connecting piece 108, then apply glue on the flat side of the reinforcing ribs 109 and paste it on the surface of the paper, paste the reinforcing ribs 109 perpendicular to the two edges of the paper and make the reinforcing ribs 109 equidistantly distributed on the surface of the paper, then use the cutting equipment to cut the paper into connecting pieces 108 with the same size and shape as the tongue 107, while ensuring that the reinforcing ribs 109 are distributed along the length direction of the connecting piece 108;

[0046] S3. Apply glue on the surface of the tongue 107, ensure that the glue is evenly distributed on the surface of the tongue 107, then paste the connecting piece 108 on the surface of the tongue 107, the side of the connecting piece 108 opposite to the reinforcing ribs 109, ensure that the connecting piece 108 corresponds to the tongue 107 completely, then apply glue on the surface of the limiting strip 110, paste the limiting strip 110 on the side of the short paperboard 102 located at the edge corresponding to the connecting piece 108, and ensure that the distance between the limiting strip 110 and the edge of the short paperboard 102 is the same as the width of the tongue 107;

[0047] S4. Paste the two magic tape rough surfaces 2 on the surfaces of the upper and lower outer flaps 103 and 104 respectively provided on the long paperboard 101 located at the edge, then prepare two extension pieces 4, paste the magic tape hook surfaces 6 on the surfaces of the two extension pieces 4, then paste the two extension pieces 4 on the surfaces of the upper and lower outer flaps 103 and 104 respectively provided on the long paperboard 101 located at the middle, and ensure that the positions of the magic tape rough surfaces 2 and the magic tape hook surfaces 6 correspond to each other when pasting the carton, then paste the waterproof tape 7 on the surfaces of the two short paperboards 102 corresponding to the positions of the U-shaped grooves 8

[0048] S5. When pasting the carton, apply glue on the side of the tongue 107 opposite to the connecting piece 108, then fold the carton body 1 along the creases pressed in S1, then paste the limiting strip 110 on the side of the short paperboard 102 located at the edge with the side of the tongue 107 on which glue is applied, and make the short edge of the tongue 107 stick to the limiting strip 110 pasted on the surface of the short paperboard 102, then fold the two lower inner flaps 106 inwardly, then fold the two lower outer flaps 104, and then paste the two lower outer flaps 104 together using adhesive tape.

[0049] The embodiments of the present application are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, wherein the same parts are denoted by the same reference numerals. Therefore, any equivalent changes made on the structure, shape, and principle of the present application should be covered by the protection scope of the present application.

Claims

1. A carton comprising a carton body (1) characterised in that: The carton body (1) comprises two long paperboards (101) and two short paperboards (102) arranged alternately, the upper end of each of the two long paperboards (101) is fixedly provided with an upper outer flap (103), the upper end of each of the two short paperboards (102) is fixedly provided with two upper inner flaps (105) corresponding to the upper outer flaps (103), one end of the long paperboard (101) located at the edge of the carton body (1) is provided with a tongue (107); The lower end of each of the two long paperboards (101) is fixedly provided with a lower outer flap (104), and the lower end of each of the two short paperboards (102) is fixedly provided with a lower inner flap (106) corresponding to the lower outer flap (104).

2. A carton according to claim 1 wherein: One surface of the short paperboard (102) located at the edge is fixedly provided with a limiting strip (110), the limiting strip (110) is pasted on the surface of the short paperboard (102) by glue, and the distance between the limiting strip (110) and the short paperboard edge (102) on one side is the same as the width of the tongue (107).

3. A carton according to claim 1 wherein: The tongue (107) has a trapezoidal structure, the length of one side close to the long paperboard (101) is greater than the length of the side away from the long paperboard (101), the surface of the tongue (107) is fixedly provided with a connecting piece (108), and the surface of the connecting piece (108) is fixedly provided with a plurality of reinforcing ribs (109) distributed at equal distances along the length direction of the connecting piece (108).

4. A carton according to claim 3 wherein: The surface of the tongue (107) is coated with a layer of nanoscale hydrophobic material.

5. A carton according to claim 3 wherein: The connecting piece (108) is pasted on the surface of the tongue (107) by glue, and the plurality of reinforcing ribs (109) are pasted on the surface of the connecting piece (108) by glue.

6. A carton according to claim 3 wherein: The reinforcing rib (109) is made of high-strength paper material, and the cross section of the reinforcing rib (109) is semicircular.

7. A carton according to claim 1 wherein: The surface of the upper outer flap (103) and the lower outer flap (104) provided on the long paperboard (101) located at the edge is fixedly connected with a Velcro fluff surface (2), the surface of the upper outer flap (103) and the lower outer flap (104) provided on the long paperboard (101) located in the middle is fixedly provided with an extension piece (4), the surface of the extension piece (4) is fixedly provided with a Velcro hook surface (6) corresponding to the Velcro fluff surface (2), and the side of the upper outer flap (103) and the lower outer flap (104) provided on the long paperboard (101) located at the edge is fixedly provided with a clamping plate (3).

8. A carton according to claim 1 wherein: The upper end of each of the two short paperboards (102) is provided with a U-shaped groove (8), and the surface of each of the two short paperboards (102) is pasted with a waterproof sticker (7) at a position corresponding to the U-shaped groove (8).

9. A carton and gusseting process according to any one of claims 1 to 8 wherein: The method comprises the following steps: S1. Put the corrugated paperboard into the die-cutting machine to cut out the shape of the carton body (1), including two long paperboards (101) at both ends of the upper and lower outer flaps (103) and (104), two short paperboards (102) at both ends of the upper and lower inner flaps (105) and (106), the clamping plate (5), the tongue (107), and two U-shaped grooves (8), and press creases between the two long paperboards (101), the two short paperboards (102), and the upper and lower inner flaps (105) and (106), the upper and lower outer flaps (103) and (104), the tongue (107), and the U-shaped grooves (8); S2. Prepare the paper for making the connecting piece (108), then apply glue to the flat side of the reinforcing rib (109) and paste it on the surface of the paper, paste the reinforcing rib (109) perpendicular to the two edges of the paper and make the reinforcing rib (109) equidistantly distributed on the surface of the paper, then use the cutting equipment to cut the paper into connecting pieces (108) with the same size and shape as the tongue (107), while ensuring that the reinforcing rib (109) is distributed along the length direction of the connecting piece (108) during cutting; S3. Apply glue to the surface of the tongue (107), ensure that the glue is evenly distributed on the surface of the tongue (107) during application, then paste the connecting piece (108) on the surface of the tongue (107) with the side opposite to the reinforcing rib (109), ensure that the connecting piece (108) corresponds to the tongue (107) during operation, then apply glue to the surface of the limiting strip (110) and paste it on the side of one of the two short paperboards (102) corresponding to the connecting piece (108), ensure that the distance between the side of the limiting strip (110) and the edge of the short paperboard (102) is the same as the width of the tongue (107) during pasting; S4. Prepare two magic tape rough surfaces (2) to be pasted on the surfaces of the upper and lower outer flaps (103) and (104) provided on one of the two long paperboards (101) at the edge, then prepare two extension pieces (4), paste magic tape hook surfaces (6) on the surfaces of the extension pieces (4), then paste the two extension pieces (4) on the surfaces of the upper and lower outer flaps (103) and (104) provided on one of the two long paperboards (101) at the middle, ensure that the positions of the magic tape rough surfaces (2) and the magic tape hook surfaces (6) correspond during pasting, then paste the waterproof stickers (7) on the surfaces of the two short paperboards (102) at positions corresponding to the U-shaped grooves (8). S5. In the process of sticking the box, the glue is applied on the side of the tongue (107) opposite to the connecting piece (108), then the paper box body (1) is folded along the crease pressed in S1, then the side of the tongue (107) with the glue is pasted to the side of the limiting strip (110) on the short paperboard (102), the short edge of the tongue (107) is pasted to the surface of the short paperboard (102), then the two lower inner flaps (106) are folded inwardly, then the two lower outer flaps (104) are also folded, then the two lower outer flaps (104) are pasted together by using the adhesive tape.

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