Folding device for packaging box

By designing a folding mechanism that adjusts the height of the guide rollers and pushes the folding action, the packaging box can be folded twice in succession, solving the problem that existing devices can only fold once, thus improving efficiency and adaptability.

CN223791093UActive Publication Date: 2026-01-13SHANGHAI XUANCAI PACKING PROD CO LTD
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Patent Information

Application Number
CN202520353943.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-01-13
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

Existing packaging box folding devices can only fold once, requiring multiple handling steps, and the folding structure position cannot be adjusted to accommodate packaging boxes of different sizes.

Method used

A folding device is designed, comprising a base, a first mounting mechanism, a second mounting mechanism, and a folding mechanism. The height of the guide roller is adjusted by adjusting the adjusting block and the mounting rod, and two consecutive folds are achieved by using the top roller and the push plate. The folding size is adjusted by the lifting plate.

Benefits of technology

It enables the packaging box to be folded twice in succession, improves the folding speed, and can adapt to packaging boxes of different thicknesses and sizes, simplifying the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a folding device for a packaging box. The folding device comprises a base, a first installation mechanism is installed at one end of the top end of the base, a second installation mechanism is installed on one side of the first installation mechanism, a guide roller is installed at the bottom end of the second installation mechanism, and a turnover mechanism is installed at one end of the guide roller. The first mounting mechanism comprises a first mounting plate and an adjusting block, the first mounting plate is fixedly mounted at one end of the base, a first adjusting groove is formed in the surface of the first mounting plate, a mounting rod is fixed to the middle of the first adjusting groove, the adjusting block is slidably mounted in the first adjusting groove, and a mounting hole is formed in the middle of the adjusting block; the mounting rod penetrates through the mounting hole in a sliding manner; by arranging the adjusting blocks and the mounting rods on the first mounting plates, the height of the second mounting plates and the height of the guide rollers can be adjusted, so that the bottom ends of the guide rollers can slidably penetrate through packaging box paperboards with different thicknesses, and folding treatment is carried out.
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Description

Technical Field

[0001] This utility model relates to the field of packaging box folding technology, and in particular to a folding device for packaging boxes. Background Technology

[0002] Packaging boxes are mainly used to store goods, protect them, and facilitate transportation, loading, unloading, and storage. Packaging boxes are an essential outer packaging material for various commodities. When using packaging boxes, folding devices are required to fold them.

[0003] Existing folding devices for packaging boxes only fold the box once during use, failing to perform two consecutive folds. This requires multiple folding and unfolding processes, which is time-consuming. Furthermore, it is inconvenient to adjust the position of the folding structure to fold the box to different sizes.

[0004] Therefore, we provide a folding device for packaging boxes. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned technical problems by providing a folding device for packaging boxes, which can perform two consecutive folds and adjust the folding size of the packaging boxes.

[0006] In view of this, the present invention provides a folding device for packaging boxes, including a base, a first mounting mechanism is installed at one top end of the base, a second mounting mechanism is installed on one side of the first mounting mechanism, a guide roller is installed at the bottom end of the second mounting mechanism, and a folding mechanism is installed at one end of the guide roller.

[0007] The first mounting mechanism includes a first mounting plate and an adjusting block. The first mounting plate is fixedly mounted on one end of the base and has a first adjusting groove on its surface. A mounting rod is fixed in the middle of the first adjusting groove. The adjusting block is slidably mounted inside the first adjusting groove and has a mounting hole in its middle. The mounting rod slides through the mounting hole, and a first nut is connected to the surface of the mounting rod at the upper and lower ends of the mounting hole.

[0008] The second mounting mechanism includes a second mounting plate, a fixing rod is fixed between the inner side of the second mounting plate and the adjusting block, a second adjusting groove is opened on the outer side of the second mounting plate, and a lifting plate is slidably installed inside the second adjusting groove;

[0009] The folding mechanism includes a lifting plate and a lifting roller. The surface of the base has a first groove, and a second groove is formed on the outer side of the first groove. The lifting roller is rotatably mounted at the top corner of the lifting plate, and the lifting plate is installed inside the first groove.

[0010] Preferably, a support plate is fixed to the top outer side of the lifting plate, a first electric push rod is installed on the outer side of the support plate, the first electric push rod is installed inside the second groove, a push plate is fixed to the telescopic end of the first electric push rod, and a second electric push rod is installed in the middle of the bottom end of the lifting plate.

[0011] Preferably, a positioning rod is fixed to the bottom of the second adjustment groove, and limit grooves are opened on both sides of the second adjustment groove. Connecting rods are fixed to the bottom of both sides of the lifting plate. The connecting rods slide through the limit grooves, and a second nut is connected to the surface of the connecting rods. A positioning hole is opened in the middle of the lifting plate, and the positioning rod slides into the positioning hole.

[0012] Preferably, a mounting frame is installed at the bottom end of the second mounting plate, the guide roller is rotatably installed at the bottom end of the mounting frame, a connecting plate is fixed at the top end of the mounting frame, and bolts are connected to the outside of the connecting plate. The connecting plate is detachably connected to the side of the second mounting plate by the bolts. Both the mounting frame and the guide roller are horizontally arranged.

[0013] Preferably, the bottom end of the base is fixed with a support leg, the first adjustment groove is a rectangular groove structure and is vertically arranged, the mounting rod is a threaded rod structure, the fixing rod is horizontally arranged, and the second mounting plate is vertically arranged, with its outer side flush with the outer side of the lifting plate.

[0014] Preferably, the top end of the jacking roller protrudes outward from the side of the lifting plate and is close to the side of the second mounting plate, and is perpendicular to the guide roller.

[0015] Preferably, both the support plate and the push plate are elongated strip structures and are horizontally arranged, with the push plate located above the top roller.

[0016] Compared with the prior art, the present invention provides a folding device for packaging boxes, which has the following beneficial effects:

[0017] 1. In this utility model, by setting an adjusting block and a mounting rod on the first mounting plate, the height of the second mounting plate and the guide roller can be adjusted, so that the bottom end of the guide roller can slide through the cardboard of different thicknesses for folding.

[0018] 2. This utility model, by setting a top roller at the top corner of the lifting plate, allows the top roller to rise and fold the cardboard of the packaging box, and the push plate to push and fold the cardboard of the packaging box a second time, thereby enabling the packaging box to be folded twice in succession, thus improving the folding speed of the packaging box.

[0019] 3. In this utility model, by installing a lifting plate on the side of the second mounting plate, the height of the top of the second mounting plate can be adjusted, thereby adjusting the folding size of the packaging box cardboard.

[0020] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of a folding device for packaging boxes proposed in this utility model;

[0022] Figure 2 This is a schematic diagram of the second mounting mechanism of a folding device for packaging boxes according to the present invention.

[0023] Figure 3 This is a schematic diagram of the folding mechanism of a folding device for packaging boxes proposed in this utility model;

[0024] Figure 4 This is a schematic diagram of the base portion of a folding device for packaging boxes proposed in this utility model.

[0025] In the diagram: 1. Base; 2. Support leg; 3. First mounting plate; 4. Fixing rod; 5. Adjusting block; 6. First nut; 7. Mounting rod; 8. First adjusting groove; 9. Positioning hole; 10. Lifting plate; 11. Connecting rod; 12. Second adjusting groove; 13. Limiting groove; 14. Positioning rod; 15. First groove; 16. Second groove; 17. First electric push rod; 18. Second electric push rod; 19. Support plate; 20. Top roller; 21. Guide roller; 22. Mounting frame; 23. Mounting hole; 24. Bolt; 25. Connecting plate; 26. Second nut; 27. Second mounting plate; 28. Lifting plate; 29. ​​Push plate. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0027] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] Example 1: A folding device for packaging boxes includes a base 1, a first mounting mechanism is installed at one top end of the base 1, a second mounting mechanism is installed on one side of the first mounting mechanism, a guide roller 21 is installed at the bottom end of the second mounting mechanism, and a folding mechanism is installed at one end of the guide roller 21.

[0029] The first mounting mechanism includes a first mounting plate 3 and an adjusting block 5. The first mounting plate 3 is fixedly mounted on one end of the base 1, and a first adjusting groove 8 is opened on its surface. A mounting rod 7 is fixed in the middle of the first adjusting groove 8. The adjusting block 5 is slidably mounted inside the first adjusting groove 8, and a mounting hole 23 is opened in the middle of it. The mounting rod 7 slides through the mounting hole 23, and a first nut 6 is connected to the surface of the mounting rod 7 at the upper and lower ends of the mounting hole 23.

[0030] An adjusting block 5 and a mounting rod 7 are provided on the first mounting plate 3, which can adjust the height of the second mounting plate 27 and the guide roller 21, so that the guide roller 21 can slide through the packaging box cardboard of different thicknesses at the bottom end for folding.

[0031] The second mounting mechanism includes a second mounting plate 27. A fixing rod 4 is fixed between the inner side of the second mounting plate 27 and the adjusting block 5. A second adjusting groove 12 is opened on the outer side of the second mounting plate 27. A lifting plate 10 is slidably installed inside the second adjusting groove 12.

[0032] A positioning rod 14 is fixed at the bottom of the second adjustment groove 12. Limiting grooves 13 are opened on both sides of the second adjustment groove 12. Connecting rods 11 are fixed at the bottom of both sides of the lifting plate 10. The connecting rods 11 slide through the limiting grooves 13. The surface of the connecting rods 11 is connected to the second nut 26. A positioning hole 9 is opened in the middle of the lifting plate 10. The positioning rod 14 slides into the positioning hole 9.

[0033] The bottom end of the second mounting plate 27 is equipped with a mounting frame 22, and the guide roller 21 is rotatably mounted on the bottom end of the mounting frame 22. The top end of the mounting frame 22 is fixed with a connecting plate 25, and the outside of the connecting plate 25 is connected with bolts 24. The connecting plate 25 is detachably connected to the side of the second mounting plate 27 by bolts 24. The mounting frame 22 and the guide roller 21 are both set horizontally.

[0034] The base 1 has a support leg 2 fixed at its bottom end. The first adjustment groove 8 is a rectangular groove structure and is set vertically. The mounting rod 7 is a threaded rod structure. The fixing rod 4 is set horizontally. The second mounting plate 27 is set vertically, and its outer side is flush with the outer side of the lifting plate 10.

[0035] In use, a top roller 20 is set at the top corner of the lifting plate 28, and a push plate 29 is set through the first electric push rod 17. Therefore, the second electric push rod 18 drives the lifting plate 28 to rise, which allows the top roller 20 to rise and lift and fold the cardboard of the packaging box in the horizontal direction. The push plate 29 then pushes and folds the cardboard of the packaging box in the vertical direction, thus enabling the packaging box to be folded twice in succession, thereby increasing the folding speed of the packaging box.

[0036] Example 2: A folding device for packaging boxes, such as Figures 1-4 As shown, the folding mechanism includes a lifting plate 28 and a lifting roller 20. A first groove 15 is opened on the surface of the base 1, and a second groove 16 is opened on the outside of the first groove 15. The lifting roller 20 is rotatably installed at the top corner of the lifting plate 28, and the lifting plate 28 is installed inside the first groove 15.

[0037] A support plate 19 is fixed to the top outer side of the lifting plate 28. A first electric push rod 17 is installed on the outer side of the support plate 19. The first electric push rod 17 is installed inside the second groove 16. A push plate 29 is fixed to the telescopic end of the first electric push rod 17. A second electric push rod 18 is installed in the middle of the bottom end of the lifting plate 28.

[0038] The top of the jacking roller 20 protrudes outward from the side of the jacking plate 28 and is close to the side of the second mounting plate 27, and is perpendicular to the guide roller 21.

[0039] Both the support plate 19 and the push plate 29 are elongated structures and are horizontally arranged, with the push plate 29 located above the top roller 20.

[0040] In use, a lifting plate 10 is installed on the side of the second mounting plate 27, so that the height of the top of the second mounting plate 27 can be adjusted, and the folding size of the packaging box cardboard can be adjusted when the pushing plate 29 pushes and folds the packaging box cardboard in the vertical direction.

[0041] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A folding device for packaging boxes, comprising a base (1), characterized in that: A first mounting mechanism is installed at one end of the top of the base (1), a second mounting mechanism is installed on one side of the first mounting mechanism, a guide roller (21) is installed at the bottom of the second mounting mechanism, and a folding mechanism is installed at one end of the guide roller (21). The first mounting mechanism includes a first mounting plate (3) and an adjusting block (5). The first mounting plate (3) is fixedly mounted on one end of the base (1), and a first adjusting groove (8) is opened on its surface. An adjusting rod (7) is fixed in the middle of the first adjusting groove (8). The adjusting block (5) is slidably mounted inside the first adjusting groove (8), and an adjusting hole (23) is opened in the middle of it. The adjusting rod (7) slides through the adjusting hole (23). A first nut (6) is connected to the surface of the adjusting rod (7) and at the upper and lower ends of the adjusting hole (23). The second mounting mechanism includes a second mounting plate (27), a fixing rod (4) is fixed between the inner side of the second mounting plate (27) and the adjusting block (5), a second adjusting groove (12) is opened on the outer side of the second mounting plate (27), and a lifting plate (10) is slidably installed inside the second adjusting groove (12); The folding mechanism includes a lifting plate (28) and a lifting roller (20). The surface of the base (1) has a first groove (15) and a second groove (16) is formed on the outside of the first groove (15). The lifting roller (20) is rotatably mounted at the top corner of the lifting plate (28), and the lifting plate (28) is installed inside the first groove (15).

2. A folding device for packaging boxes according to claim 1, characterized in that, A support plate (19) is fixed to the top outer side of the lifting plate (28). A first electric push rod (17) is installed on the outer side of the support plate (19). The first electric push rod (17) is installed inside the second groove (16). A push plate (29) is fixed to the telescopic end of the first electric push rod (17). A second electric push rod (18) is installed in the middle of the bottom end of the lifting plate (28).

3. A folding device for packaging boxes according to claim 1, characterized in that, A positioning rod (14) is fixed at the bottom of the second adjustment groove (12). Limiting grooves (13) are opened on both sides of the second adjustment groove (12). Connecting rods (11) are fixed at the bottom of both sides of the lifting plate (10). The connecting rods (11) slide through the limiting grooves (13). A second nut (26) is connected to the surface of the connecting rods (11). A positioning hole (9) is opened in the middle of the lifting plate (10). The positioning rod (14) slides into the positioning hole (9).

4. A folding device for packaging boxes according to claim 1, characterized in that, A mounting frame (22) is mounted on the bottom end of the second mounting plate (27). The guide roller (21) is rotatably mounted on the bottom end of the mounting frame (22). A connecting plate (25) is fixed on the top end of the mounting frame (22). Bolts (24) are connected to the outside of the connecting plate (25). The connecting plate (25) is detachably connected to the side of the second mounting plate (27) by the bolts (24). The mounting frame (22) and the guide roller (21) are both horizontally arranged.

5. A folding device for packaging boxes according to claim 1, characterized in that, The base (1) is fixed with a support leg (2) at its bottom end. The first adjustment groove (8) is a rectangular groove structure. The mounting rod (7) is a threaded rod structure. The fixing rod (4) is set horizontally.

6. A folding device for a packaging box according to claim 1, characterized in that, The top of the jacking roller (20) protrudes outward from the side of the jacking plate (28) and is close to the side of the second mounting plate (27).

7. A folding device for a packaging box according to claim 2, characterized in that, Both the support plate (19) and the push plate (29) are elongated structures and are horizontally arranged. The push plate (29) is located above the top roller (20).