Packaging box bending device

Abstract

The utility model belongs to the technical field of packaging box machining, and particularly relates to a packaging box bending device which comprises a forming mechanism and a third vertical air cylinder and further comprises a speed chain conveying line, a second vertical air cylinder and a third vertical air cylinder. A jacking mechanism; the downward pressing positioning mechanism is positioned right above the jacking mechanism; the forming mechanism comprises a second lifting plate. The movable plate is located on the bottom side of the second lifting plate; the upper module is elastically mounted at the bottom end of the moving plate; the second fixing plate is fixed on the bottom surface of the second lifting plate; a horizontal cylinder; according to the utility model, the position of the upper module can be adjusted by starting the horizontal cylinder so as to adjust the initial interval between the upper module and the lower module, so that the bending machine is suitable for bending packaging boxes with different thicknesses, and the product safety is ensured; products are automatically conveyed through the double-speed chain conveying line, the device is suitable for a packaging box production line, and the production efficiency is improved.

Description

Technical Field

[0001] This utility model belongs to the field of packaging box processing technology, and specifically relates to a packaging box bending device. Background Technology

[0002] Packaging boxes are used to package products. There are many types of materials, but the most common type is corrugated packaging boxes. Corrugated boards are often produced by large machines during the packaging box manufacturing process. Generally, a top press is used to press and bend the cross-shaped corrugated paper into shape in a mold.

[0003] Currently, the usual method is to first place the blank to be bent on the lower module, and then bend the blank into shape by extrusion between the upper and lower modules.

[0004] For example, in the prior art, Chinese utility model patent with authorization announcement number CN222645466U discloses "a packaging box bending device", which includes a processing table, an upper module and a lower module. The top of the processing table is integrally formed with a fixed frame, and a top press is fixedly installed on the top of the fixed frame. The processing table has four pairs of shaft seats at the top and a drive assembly inside the processing table. The drive assembly includes a drive screw and a drive motor. The drive screw has four screws and is rotatably installed on the four pairs of shaft seats respectively.

[0005] While existing packaging box bending equipment, including those mentioned above, can meet general processing needs, it cannot adapt to bending packaging boxes of different thicknesses. This is because the position of the force application point needs to be adjusted according to the thickness. For example, when bending a thicker blank, the gap between the upper and lower modules needs to be appropriately increased to avoid damage caused by insufficient gap for the blank to be embedded.

[0006] To solve the above problems, this utility model proposes a packaging box bending device. Utility Model Content

[0007] To address the aforementioned problems in the existing technology, this utility model provides a packaging box bending device, which is convenient to use and has a wide range of applications.

[0008] To achieve the above objectives, this utility model provides the following technical solution: a packaging box bending device, comprising a forming mechanism and a No. 3 vertical cylinder for driving the forming mechanism to rise and fall, and further comprising:

[0009] A double-speed chain conveyor line, which is used to convey packaging box blanks to be formed;

[0010] A lifting mechanism is fixed to the bottom side of the frame of the double-speed chain conveyor. When the packaging box blank is conveyed to the pressing station, the lifting mechanism lifts the packaging box blank.

[0011] A downward positioning mechanism is located directly above the lifting mechanism and is used to cooperate with the lifting mechanism to clamp the packaging box blank.

[0012] The molding mechanism includes:

[0013] Lift plate No. 2;

[0014] A movable plate, the movable plate being located on the bottom side of the second lifting plate;

[0015] The upper module is flexibly mounted on the bottom end of the movable plate;

[0016] The second fixing plate is fixed to the bottom surface of the second lifting plate;

[0017] A horizontal cylinder is fixed to the outer wall of the second fixed plate, and the piston rod of the horizontal cylinder passes through the second fixed plate and is fixedly connected to the moving plate.

[0018] As a preferred embodiment of this utility model, the molding mechanism further includes:

[0019] Telescopic rods, a plurality of which are fixed at equal intervals between the movable plate and the upper module;

[0020] A telescopic spring is sleeved on the telescopic rod and located between the movable plate and the upper module.

[0021] As a preferred embodiment of this utility model, the molding mechanism further includes:

[0022] Two guide rods are symmetrically fixed to the outer wall of the movable plate, and the guide rods pass through the second fixed plate.

[0023] As a preferred technical solution of this utility model, it also includes:

[0024] The top plate is supported and fixed to the top of the frame of the double-speed chain conveyor by four diagonally distributed support columns. The third vertical cylinder is fixed to the top surface of the top plate, and the piston rod of the third vertical cylinder passes through the top plate and is fixedly connected to the second lifting plate.

[0025] As a preferred technical solution of this utility model, it also includes:

[0026] The second guide column is fixed symmetrically to the top surface of the second lifting plate, and the second guide column penetrates the top plate.

[0027] As a preferred embodiment of this utility model, the lifting mechanism includes:

[0028] The first fixing plate is fixed to the bottom end of the frame of the double-speed chain conveyor;

[0029] The No. 1 lifting plate is located above the No. 1 fixed plate;

[0030] A drive motor, which is fixed to the top surface of the first lifting plate;

[0031] The lower module is fixed to the top of the output shaft of the drive motor;

[0032] A first vertical cylinder is fixed to the bottom surface of a first fixed plate, and the piston rod of the first vertical cylinder passes through the first fixed plate and is fixedly connected to the first lifting plate.

[0033] As a preferred embodiment of this utility model, the lifting mechanism further includes:

[0034] The first guide post consists of two symmetrically fixed to the bottom surface of the first lifting plate and penetrating the first fixing plate.

[0035] As a preferred embodiment of this utility model, the pressing and positioning mechanism includes:

[0036] A pressure plate, located directly above the lower module;

[0037] The second vertical cylinder is fixed to the top surface of the top plate, and the piston rod of the second vertical cylinder passes through the top plate and is rotatably connected to the pressure plate by bearings.

[0038] A rubber gasket is bonded and fixed to the bottom surface of the pressure plate.

[0039] Compared with the prior art, the beneficial effects of this utility model are:

[0040] In this invention, the starting horizontal cylinder can adjust the position of the upper module to adjust the initial interval between the upper and lower modules, which is suitable for bending packaging boxes of different thicknesses and ensures product safety; the products are automatically transported by the double-speed chain conveyor, which is suitable for packaging box production lines and improves production efficiency.

[0041] Other additional advantages and beneficial effects of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this invention. Attached Figure Description

[0042] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0043] Figure 1 This is a schematic diagram of the structure of this utility model;

[0044] Figure 2 This is an isometric structural diagram of the lifting mechanism in this utility model;

[0045] Figure 3 This utility model Figure 1 Enlarged structural diagram of the downward positioning mechanism in the middle;

[0046] Figure 4 This utility model Figure 1 A magnified schematic diagram of the molding mechanism.

[0047] In the diagram: 1. Double-speed chain conveyor line; 2. Lifting mechanism; 21. Fixed plate No. 1; 22. Lifting plate No. 1; 23. Drive motor; 24. Lower module; 25. Vertical cylinder No. 1; 26. Guide column No. 1; 3. Top plate; 4. Support column; 5. Pressing and positioning mechanism; 51. Pressure plate; 52. Vertical cylinder No. 2; 53. Bearing; 54. Rubber pad; 6. Forming mechanism; 61. Lifting plate No. 2; 62. Moving plate; 63. Upper module; 64. Telescopic rod; 65. Telescopic spring; 66. Fixed plate No. 2; 67. Horizontal cylinder; 68. Guide rod; 7. Vertical cylinder No. 3; 8. Guide column No. 2. Detailed Implementation

[0048] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0049] Please see Figures 1-4 The present invention provides the following technical solution: a packaging box bending device, including a forming mechanism 6 and a third vertical cylinder 7 for driving the forming mechanism 6 to rise and fall, and also including: a double-speed chain conveyor line 1, a lifting mechanism 2 and a pressing and positioning mechanism 5; the forming mechanism 6 includes: a second lifting plate 61, a moving plate 62, an upper module 63, a second fixing plate 66 and a horizontal cylinder 67.

[0050] Furthermore, by Figure 1 and Figure 4As shown in this embodiment, the double-speed chain conveyor 1 is used to convey the packaging box blank to be formed. The lifting mechanism 2 is fixed to the bottom side of the frame of the double-speed chain conveyor 1. When the packaging box blank is conveyed to the pressing station, the lifting mechanism 2 lifts the packaging box blank. The pressing and positioning mechanism 5 is located directly above the lifting mechanism 2 and is used to cooperate with the lifting mechanism 2 to clamp the packaging box blank. The moving plate 62 is located on the bottom side of the second lifting plate 61. The upper module 63 is elastically installed on the bottom end of the moving plate 62. The second fixed plate 66 is fixed to the bottom surface of the second lifting plate 61. The horizontal cylinder 67 is fixed to the outer wall of the second fixed plate 66, and the piston rod of the horizontal cylinder 67 passes through the second fixed plate 66 and is fixedly connected to the moving plate 62. With the above scheme, when in use, the double-speed chain conveyor 1 continuously conveys the packaging box blank to be formed at a set speed. When the photoelectric sensor (fixed on the frame of the double-speed chain conveyor 1, not shown in the figure) detects that the blank has reached the pressing station, the double-speed chain conveyor 1 automatically stops.

[0051] The lifting mechanism 2 precisely lifts the billet to the working height corresponding to the pressing and positioning mechanism 5. At this time, the bending line of the billet is aligned with the upper module 63 of the forming mechanism 6.

[0052] The pressing and positioning mechanism 5 works in conjunction with the lifting mechanism 2 to clamp the billet, ensuring that the billet does not shift during the bending process.

[0053] The No. 3 vertical cylinder 7 drives the forming mechanism 6 to move downward as a whole. The upper module 63 first contacts the surface of the blank. Since the upper module 63 is elastically installed on the moving plate 62, a pre-pressure will be generated at the moment of contact to avoid rigid impact damaging the blank. At the same time, the upper module 63 pushes the blank to bend.

[0054] When the horizontal cylinder 67 starts to move, the piston rod pushes the moving plate 62 to move horizontally, which drives the upper module 63 to gradually bend the blank. The initial position of the upper module 63 can also be adjusted by the horizontal cylinder 67, which is suitable for processing packaging boxes of different thicknesses.

[0055] When the bending reaches the set angle, the horizontal cylinder 67 retracts in the opposite direction, the upper module 63 resets with the moving plate 62, the third vertical cylinder 7 drives the forming mechanism 6 to rise and reset, the lower positioning mechanism 5 releases synchronously, and the lifting mechanism 2 descends to make the finished product fall back to the double-speed chain conveyor line 1.

[0056] The double-speed chain conveyor line 1 restarts, transporting the bent packaging box to the next station, while the next blank to be processed enters the pressing station, and the cycle continues.

[0057] This device enables rapid changeover of packaging boxes of various specifications through modular design. By adjusting the stroke of the horizontal cylinder 67 and the position of the upper module 63, it can adapt to the production needs of packaging boxes with different bending angles and sizes. The elastic buffer structure effectively protects the surface quality of high-precision packaging boxes. The action sequence of each mechanism is precisely controlled by PLC to ensure a stable and reliable production process.

[0058] Optionally, by Figure 1 and Figure 4 As shown, in this embodiment, the forming mechanism 6 further includes: a telescopic rod 64 and a telescopic spring 65. Multiple telescopic rods 64 are fixed at equal intervals between the moving plate 62 and the upper module 63. The telescopic spring 65 is sleeved on the telescopic rod 64 and is located between the moving plate 62 and the upper module 63. With the above solution, in use, the telescopic rod 64 is a telescopic structure composed of two hollow cylindrical components sleeved together, which, together with the telescopic spring 65, realizes the elastic installation of the upper module 63.

[0059] During the downward movement of the upper module 63, after the upper module 63 contacts the blank, as the upper module 63 continues to move downward, the telescopic spring 65 will elastically contract, which has a buffering effect and generates pre-pressure to avoid rigid impact damaging the blank.

[0060] Preferably, by Figure 1 and Figure 4 As shown in this embodiment, the molding mechanism 6 further includes: guide rods 68. Two guide rods 68 are symmetrically fixed to the outer wall of the moving plate 62, and the guide rods 68 penetrate the second fixed plate 66. After adopting the above scheme, in use, the two guide rods 68 are used to guide the moving plate 62, which further improves the stability of the moving plate 62.

[0061] Optionally, by Figure 1 and Figure 4 As shown, this embodiment also includes: a top plate 3, which is supported and fixed to the top of the frame of the double-speed chain conveyor line 1 by four diagonally distributed support columns 4; a third vertical cylinder 7 is fixed to the top surface of the top plate 3, and the piston rod of the third vertical cylinder 7 passes through the top plate 3 and is fixedly connected to the second lifting plate 61. With the above scheme, in use, the top plate 3 forms a rigid frame structure with the frame of the double-speed chain conveyor line 1 through the four diagonally distributed support columns 4; the third vertical cylinder 7 (stroke 200mm, thrust 8kN) is fixed to the top surface of the top plate 3 by a flange; its piston rod is connected to the second lifting plate 61 by a ball joint, providing the power for the second lifting plate 61 to lift.

[0062] Preferably, by Figure 1 and Figure 4As shown, in this embodiment, it also includes: a second guide column 8, two sets of second guide columns 8 are symmetrically fixed on the top surface of the second lifting plate 61, and the second guide columns 8 penetrate the top plate 3. After adopting the above scheme, when in use, the two sets of second guide columns 8 are used to guide the second lifting plate 61, which further improves the stability of the second lifting plate 61.

[0063] Optionally, by Figure 1 and Figure 2 As shown in this embodiment, the lifting mechanism 2 includes: a first fixed plate 21, a first lifting plate 22, a drive motor 23, a lower module 24, and a first vertical cylinder 25. The first fixed plate 21 is fixed to the bottom end of the frame of the double-speed chain conveyor line 1. The first lifting plate 22 is located above the first fixed plate 21. The drive motor 23 is fixed to the top surface of the first lifting plate 22. The lower module 24 is fixed to the top end of the output shaft of the drive motor 23. The first vertical cylinder 25 is fixed to the bottom surface of the first fixed plate 21, and the piston rod of the first vertical cylinder 25 passes through the first fixed plate 21 and is fixedly connected to the first lifting plate 22. With the above scheme, when the billet reaches the pressing station, the first vertical cylinder 25 is started, and the piston rod extends at a speed of 0.1m / s, pushing the first lifting plate 22 to rise vertically, so as to lift the billet through the lower module 24.

[0064] Then, the lower positioning mechanism 5 works in conjunction with the lower module 24 to press the blank, ensuring that the blank has no displacement deviation during the entire bending operation.

[0065] After bending one side, if the same bending operation is required on the other sides, the drive motor 23 can be started to drive the lower module 24 to rotate and change the direction of the blank.

[0066] Preferably, by Figure 1 and Figure 2 As shown in this embodiment, the lifting mechanism 2 further includes: a first guide column 26. Two first guide columns 26 are symmetrically fixed to the bottom surface of the first lifting plate 22 and pass through the first fixing plate 21. With the above scheme, when in use, the two first guide columns 26 are used to guide the first lifting plate 22, which further improves the stability of the first lifting plate 22.

[0067] Optionally, by Figure 1 and Figure 3As shown, in this embodiment, the pressing and positioning mechanism 5 includes: a pressure plate 51, a second vertical cylinder 52, and a rubber pad 54. The pressure plate 51 is located directly above the lower module 24. The second vertical cylinder 52 is fixed to the top surface of the top plate 3, and the piston rod of the second vertical cylinder 52 passes through the top plate 3 and is rotatably connected to the pressure plate 51 via a bearing 53. The rubber pad 54 is bonded and fixed to the bottom surface of the pressure plate 51. With the above solution, when the lower module 24 lifts the blank, the second vertical cylinder 52 is activated, and the piston rod extends at a speed of 0.1 m / s, pushing the pressure plate 51 to move vertically downward. The blank is pressed by the rubber pad 54. The rubber pad 54 is flexible and can effectively prevent the blank from deforming. In addition, because the corrugated paper is not very hard, it does not require much clamping force and will not cause displacement when bending.

[0068] Because the piston rod of the second vertical cylinder 52 passes through the top plate 3 and is rotatably connected to the pressure plate 51 via the bearing 53, when the lower module 24 is driven to rotate by the drive motor 23, there is no need to release the pressing state of the lower positioning mechanism 5, thus ensuring the stability of the billet.

[0069] It should be noted that the double-speed chain conveyor 1, drive motor 23, first vertical cylinder 25, second vertical cylinder 52, horizontal cylinder 67 and third vertical cylinder 7 are all commercially available conventional equipment with built-in power switches. Those skilled in the art can make conventional selections according to their needs. Their working principles are common knowledge known to those skilled in the art and have been fully disclosed in the prior art, so they will not be elaborated on further in this article.

[0070] The circuit connection involved in this utility model is a common method used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments. It belongs to the widely used prior art.

[0071] Components not described in detail in this article are existing technologies.

[0072] The working principle and usage process of this utility model: When the packaging box bending device of this utility model is in use, the double-speed chain conveyor line 1 continuously conveys the packaging box blank to be formed at a set speed. When the photoelectric sensor detects that the blank has reached the pressing station, the double-speed chain conveyor line 1 automatically stops.

[0073] When the billet reaches the pressing station, the No. 1 vertical cylinder 25 is activated, and the piston rod extends at a speed of 0.1m / s, pushing the No. 1 lifting plate 22 to rise vertically, so as to lift the billet through the lower module 24.

[0074] After the lower module 24 lifts the billet, the second vertical cylinder 52 is activated, and the piston rod extends at a speed of 0.1 m / s, pushing the pressure plate 51 to move vertically downward. The billet is pressed by the rubber gasket 54, which is flexible and can effectively prevent the billet from deforming.

[0075] Then, the No. 3 vertical cylinder 7 drives the forming mechanism 6 to move downward as a whole. The upper module 63 first contacts the surface of the blank. Since the upper module 63 is elastically installed on the moving plate 62, a pre-pressure will be generated at the moment of contact to avoid rigid impact damaging the blank. At the same time, the upper module 63 pushes the blank to bend.

[0076] When the horizontal cylinder 67 starts to move, the piston rod pushes the moving plate 62 to move horizontally, which drives the upper module 63 to gradually bend the blank. The initial position of the upper module 63 can also be adjusted by the horizontal cylinder 67, which is suitable for processing packaging boxes of different thicknesses.

[0077] When the bending reaches the set angle, the horizontal cylinder 67 retracts in the opposite direction, the upper module 63 resets with the moving plate 62, the third vertical cylinder 7 drives the forming mechanism 6 to rise and reset, the lower positioning mechanism 5 releases synchronously, and the lifting mechanism 2 descends to make the finished product fall back to the double speed chain conveyor line 1.

[0078] The double-speed chain conveyor line 1 restarts, transporting the bent packaging box to the next station, while the next blank to be processed enters the pressing station, and the cycle continues.

[0079] The device enables rapid changeover of packaging boxes of various specifications through modular design. By adjusting the stroke of the horizontal cylinder 67 and the position of the upper module 63, it can adapt to the production needs of packaging boxes with different bending angles and sizes. The elastic buffer structure effectively protects the surface quality of high-precision packaging boxes.

[0080] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A packaging box bending device, comprising a forming mechanism (6) and a third vertical cylinder (7) for driving the forming mechanism (6) to rise and fall, characterized in that, Also includes: A double-speed chain conveyor (1) is used to convey packaging box blanks to be formed; Lifting mechanism (2), the lifting mechanism (2) is fixed to the bottom side of the frame of the double speed chain conveyor (1). When the packaging box blank is conveyed to the pressing station, the lifting mechanism (2) lifts the packaging box blank. The pressing and positioning mechanism (5) is located directly above the lifting mechanism (2) and is used to cooperate with the lifting mechanism (2) to clamp the packaging box blank. The forming mechanism (6) includes: No. 2 lifting plate (61); A movable plate (62) is located on the bottom side of the second lifting plate (61); Upper module (63), which is elastically mounted on the bottom end of the movable plate (62); The second fixing plate (66) is fixed to the bottom surface of the second lifting plate (61); A horizontal cylinder (67) is fixed to the outer wall of the second fixed plate (66), and the piston rod of the horizontal cylinder (67) passes through the second fixed plate (66) and is fixedly connected to the moving plate (62).

2. The packaging box bending device according to claim 1, characterized in that: The forming mechanism (6) further includes: Telescopic rods (64), a plurality of the telescopic rods (64) are fixed at equal intervals between the movable plate (62) and the upper module (63); A telescopic spring (65) is sleeved on the telescopic rod (64) and located between the movable plate (62) and the upper module (63).

3. The packaging box bending device according to claim 1, characterized in that: The forming mechanism (6) further includes: Guide rods (68), two guide rods (68) are symmetrically fixed to the outer wall of the movable plate (62), and the guide rods (68) penetrate the second fixed plate (66).

4. The packaging box bending device according to claim 1, characterized in that: Also includes: The top plate (3) is supported and fixed to the top of the frame of the double-speed chain conveyor line (1) by four diagonally distributed support columns (4). The third vertical cylinder (7) is fixed to the top surface of the top plate (3), and the piston rod of the third vertical cylinder (7) passes through the top plate (3) and is fixedly connected to the second lifting plate (61).

5. A packaging box bending device according to claim 4, characterized in that: Also includes: The second guide column (8) is fixed symmetrically to the top surface of the second lifting plate (61), and the second guide column (8) penetrates the top plate (3).

6. A packaging box bending device according to claim 4, characterized in that: The lifting mechanism (2) includes: Fixed plate (21) No. 1, fixed plate (21) is fixed to the bottom end of the frame of the double speed chain conveyor (1); The first lifting plate (22) is located above the first fixed plate (21); A drive motor (23) is fixed to the top surface of the first lifting plate (22); The lower module (24) is fixed to the top of the output shaft of the drive motor (23); A first vertical cylinder (25) is fixed to the bottom surface of the first fixed plate (21), and the piston rod of the first vertical cylinder (25) passes through the first fixed plate (21) and is fixedly connected to the first lifting plate (22).

7. A packaging box bending device according to claim 6, characterized in that: The lifting mechanism (2) also includes: The first guide post (26) is fixed symmetrically to the bottom surface of the first lifting plate (22) and passes through the first fixing plate (21).

8. A packaging box bending device according to claim 6, characterized in that: The pressing positioning mechanism (5) includes: Pressure plate (51), the pressure plate (51) is located directly above the lower module (24); The second vertical cylinder (52) is fixed to the top surface of the top plate (3), and the piston rod of the second vertical cylinder (52) passes through the top plate (3) and is rotatably connected to the pressure plate (51) by bearing (53). A rubber gasket (54) is bonded and fixed to the bottom surface of the pressure plate (51).

Images