Corner folding device for corrugated carton processing

Abstract

The utility model discloses an angle folding device for corrugated carton processing, which comprises a working frame, a movable plate is arranged in the working frame, and a threaded hole for mounting an adjusting screw rod is formed in the movable plate. Fixing bolts are matched with a pressing plate and a rubber pad to work, so that a corrugated board needing to be beveled can be limited, position deviation in the beveling process is prevented, then a second electric push rod is matched with a push block to work, a connecting rod is driven to move, and the angle between a supporting plate and a rotating plate can be adjusted; at the moment, an external angle measuring tool can be used for adjusting a proper angle, then a first electric push rod is used for moving the corrugated board to a corner folding area, and finally a motor is started to drive an adjusting screw rod to rotate, so that a moving plate and a rolling wheel are driven to move downwards; corrugated boards on the rotating plates at any angle can be folded through cooperation of the telescopic rods and the springs.

Description

Technical Field

[0001] The utility model relates to the technical field of corner folding devices, in particular to a corner folding device for processing corrugated paper boxes. Background Art

[0002] Corrugated paperboard is made into corrugated boxes through die-cutting, creasing, nailing or gluing. Corrugated boxes are the most widely used packaging products, and the usage has always been the first among various packaging products, including calcium plastic corrugated boxes. For more than half a century, corrugated boxes have gradually replaced wooden boxes and other transport packaging containers with their superior performance and good processing performance, becoming the main force of transport packaging.

[0003] After searching, for example, a Chinese patent document discloses a corner folding device for processing corrugated paper boxes (publication number: CN218315447U). Although the position of the corner of the corrugated paper is adjusted by rotating the threaded rod to push the position of the sliding plate on the slide slot, it is convenient for the corner folding operation of the same batch of corrugated paper boxes and improves the work, but there are still the following defects:

[0004] The above device can only fold the corrugated box at 90 degrees when working. When the corrugated box needs to be bent at other angles, other folding devices need to be used. The adaptability is not high, which not only reduces the work efficiency, but also increases the workload of the staff. Utility Model Content

[0005] The purpose of the utility model is to provide a corner folding device for processing corrugated paper boxes, so as to solve the problem that the corrugated paper boxes can only be folded at 90 degrees in the above-mentioned background technology. When the corrugated paper boxes need to be bent at other angles, other corner folding devices need to be used, which not only reduces the work efficiency but also increases the workload of the staff.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a corner folding device for processing corrugated cardboard boxes, comprising a working frame, a movable plate is provided inside the working frame, a threaded hole for installing an adjusting screw is opened inside the movable plate, telescopic rods are symmetrically installed on the side walls of the movable plate, mounting plates are fixedly installed at the telescopic ends of the two telescopic rods, a rolling roller is installed on the side walls of the mounting plate through a rotating shaft, springs are sleeved on the outsides of the two telescopic rods, and the two ends of the springs are respectively fixedly connected to the side walls of the movable plate and the mounting plate.

[0007] Preferably, a motor is fixedly installed on the internal top of the working frame, and the output shaft of the motor is fixedly connected to an adjusting screw through a coupling. The other end of the adjusting screw is rotatably connected to the internal bottom end of the working frame through a bearing, and through holes for installing guide rods are symmetrically opened inside the movable plate, and the guide rods are fixedly installed inside the working frame.

[0008] Preferably, a plurality of support rods are fixedly installed inside the working frame, a support plate is fixedly installed on the upper ends of the plurality of support rods, a movable groove for movement of the U-shaped block is opened on the upper surface of the support plate, a rotating plate is installed on one side of the support plate through a rotating shaft, a first electric push rod is fixedly installed inside the working frame, and the telescopic end of the first electric push rod is fixedly connected to the side wall of the U-shaped block.

[0009] Preferably, a threaded hole for installing a fixing bolt is opened inside the U-shaped block, a pressure plate is installed at the lower end of the fixing bolt through a bearing, a rubber pad is fixedly installed at the lower end of the pressure plate, and a corrugated cardboard is provided inside the U-shaped block.

[0010] Preferably, a second electric push rod is fixedly installed on the inner bottom end of the working frame, a push block is fixedly installed on the telescopic end of the second electric push rod, a sliding block is fixedly installed on the lower end of the push block, a sliding groove matched with the sliding block is opened at the inner bottom end of the working frame, connecting rods are symmetrically installed on the upper end of the push block through a rotating shaft, and the other ends of the two connecting rods are rotatably connected to the lower end of the rotating plate through a rotating shaft.

[0011] Preferably, a scale sticker is adhered to the front end surface of the support plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. First, the corrugated cardboard that needs to be folded can be limited by fixing the bolts in conjunction with the pressure plate and the rubber pad to prevent position displacement during the folding process. Then, the second electric push rod is used in conjunction with the push block to drive the connecting rod to move to adjust the angle between the support plate and the rotating plate. At this time, the external angle measuring tool can be used to adjust the appropriate angle, and then the first electric push rod is used to move the corrugated cardboard to the folding area. Finally, the motor is turned on to drive the adjusting screw to rotate, thereby driving the movable plate and the rolling wheel to move downward. The telescopic rod works in conjunction with the spring to fold the corrugated cardboard on the rotating plate at any angle.

[0014] 2. By using the first electric push rod in conjunction with the scale sticker, it is possible to conveniently fold the corners at any position of the corrugated cardboard and improve the accuracy of the folding angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the movable plate in the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the push block in the utility model;

[0018] Figure 4 It is a structural schematic diagram of some components in the utility model.

[0019] In the figure: 1. working frame; 2. guide rod; 3. moving plate; 4. motor; 5. spring; 6. telescopic rod; 7. mounting plate; 8. rolling roller; 9. corrugated cardboard; 10. scale sticker; 11. fixing bolt; 12. U-shaped block; 13. first electric push rod; 14. support plate; 15. pressure plate; 16. rubber pad; 17. support rod; 18. second electric push rod; 19. rotating plate; 20. connecting rod; 21. push block; 22. slider; 23. adjusting screw. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] See also Figure 1-4 The utility model provides a folding device for processing corrugated paper boxes, including a working frame 1, a movable plate 3 is arranged inside the working frame 1, a threaded hole for installing an adjusting screw 23 is opened inside the movable plate 3, telescopic rods 6 are symmetrically installed on the side wall of the movable plate 3, mounting plates 7 are fixedly installed at the telescopic ends of the two telescopic rods 6, and a rolling roller 8 is installed on the side wall of the mounting plate 7 through a rotating shaft, and springs 5 ​​are sleeved on the outside of the two telescopic rods 6, and the two ends of the spring 5 are fixedly connected to the side walls of the movable plate 3 and the mounting plate 7 respectively, and the corrugated paper board 9 can be folded by moving the movable plate 3 and the rolling roller 8 downward.

[0022] A motor 4 is fixedly installed at the top of the working frame 1, and the output shaft of the motor 4 is fixedly connected to an adjusting screw 23 through a coupling. The other end of the adjusting screw 23 is rotatably connected to the bottom end of the working frame 1 through a bearing. The interior of the movable plate 3 is symmetrically provided with through holes for installing the guide rod 2, and the guide rod 2 is fixedly installed inside the working frame 1. The guide rod 2 cooperates with the adjusting screw 23 to prevent the movable plate 3 and the rolling roller 8 from shifting in position when they move downward.

[0023] A plurality of support rods 17 are fixedly installed inside the working frame 1, a support plate 14 is fixedly installed on the upper ends of the plurality of support rods 17, a movable groove for the U-shaped block 12 to move is provided on the upper surface of the support plate 14, a rotating plate 19 is installed on one side of the support plate 14 through a rotating shaft, a first electric push rod 13 is fixedly installed inside the working frame 1, a telescopic end of the first electric push rod 13 is fixedly connected to the side wall of the U-shaped block 12, and the corrugated cardboard 9 can be moved to the corner area by means of the first electric push rod 13.

[0024] A threaded hole for installing a fixing bolt 11 is provided inside the U-shaped block 12, a pressing plate 15 is installed at the lower end of the fixing bolt 11 through a bearing, a rubber pad 16 is fixedly installed at the lower end of the pressing plate 15, and a corrugated cardboard 9 is provided inside the U-shaped block 12. By rotating the fixing bolt 11 to cooperate with the pressing plate 15 and the rubber pad 16, the corrugated cardboard 9 that needs to be folded can be limited to prevent position deviation during the folding process.

[0025] A second electric push rod 18 is fixedly installed at the inner bottom end of the working frame 1, a push block 21 is fixedly installed at the telescopic end of the second electric push rod 18, a slider 22 is fixedly installed at the lower end of the push block 21, a slide groove adapted to the slider 22 is opened at the inner bottom end of the working frame 1, a connecting rod 20 is symmetrically installed at the upper end of the push block 21 through a rotating shaft, and the other ends of the two connecting rods 20 are rotatably connected to the lower end of the rotating plate 19 through the rotating shaft. The second electric push rod 18 cooperates with the push block 21 to drive the connecting rod 20 to move, so as to adjust the angle between the support plate 14 and the rotating plate 19. At this time, an external angle measuring tool can be used to adjust the appropriate angle.

[0026] A scale sticker 10 is attached to the front end surface of the support plate 14 , and the scale sticker 10 can be used to facilitate folding of any position of the corrugated paperboard 9 , thereby improving the accuracy of the folding.

[0027] When the embodiment of the present application is in use: first, the corrugated cardboard 9 that needs to be folded is placed inside the U-shaped block 12, and then the fixing bolt 11 is rotated to cooperate with the pressure plate 15 and the rubber pad 16 to limit the corrugated cardboard 9 that needs to be folded to prevent position displacement during the folding process, and then the second electric push rod 18 is turned on to cooperate with the push block 21 to drive the connecting rod 20 to move to adjust the angle between the support plate 14 and the rotating plate 19. At this time, an external angle measuring tool can be used to adjust the appropriate angle, and then the first electric push rod 13 moves the corrugated cardboard 9 to the folding area, and finally the motor 4 is turned on to drive the adjusting screw 23 to rotate, thereby driving the movable plate 3 and the rolling wheel to move downward, and when the rolling wheel contacts the corrugated cardboard 9 at different angles, it will extend toward the inside of the telescopic rod 6, and the telescopic rod 6 cooperates with the spring 5 to fold the corrugated cardboard 9 on the rotating plate 19 at any angle.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A corner bending device for processing corrugated paperboard, comprising a working frame (1), characterized in that: A movable plate (3) is provided inside the working frame (1), a threaded hole for mounting an adjusting screw (23) is provided inside the movable plate (3), telescopic rods (6) are symmetrically mounted on the side wall of the movable plate (3), a mounting plate (7) is fixedly mounted on the telescopic ends of the two telescopic rods (6), a rolling roller (8) is mounted on the side wall of the mounting plate (7) via a rotating shaft, and springs (5) are sleeved on the outside of the two telescopic rods (6), and the two ends of the springs (5) are fixedly connected to the side walls of the movable plate (3) and the mounting plate (7), respectively.

2. The corner bending device for corrugated box processing according to claim 1, characterized in that: A motor (4) is fixedly mounted on the top of the working frame (1); an output shaft of the motor (4) is fixedly connected to an adjusting screw (23) via a coupling; the other end of the adjusting screw (23) is rotatably connected to the bottom of the working frame (1) via a bearing; through holes for mounting a guide rod (2) are symmetrically provided inside the movable plate (3); and the guide rod (2) is fixedly mounted inside the working frame (1).

3. The corner bending device for corrugated box processing according to claim 1, characterized in that: A plurality of support rods (17) are fixedly installed inside the working frame (1), a support plate (14) is fixedly installed on the upper ends of the plurality of support rods (17), a movable groove for the U-shaped block (12) to move is provided on the upper surface of the support plate (14), a rotating plate (19) is installed on one side of the support plate (14) via a rotating shaft, a first electric push rod (13) is fixedly installed inside the working frame (1), and the telescopic end of the first electric push rod (13) is fixedly connected to the side wall of the U-shaped block (12).

4. The corner bending device for corrugated box processing according to claim 3, characterized in that: The U-shaped block (12) is provided with a threaded hole for installing a fixing bolt (11), the lower end of the fixing bolt (11) is installed with a pressing plate (15) through a bearing, the lower end of the pressing plate (15) is fixedly installed with a rubber pad (16), and the U-shaped block (12) is provided with a corrugated cardboard (9) inside.

5. The corner bending device for corrugated box processing according to claim 1, characterized in that: A second electric push rod (18) is fixedly installed at the inner bottom end of the working frame (1), a push block (21) is fixedly installed at the telescopic end of the second electric push rod (18), a sliding block (22) is fixedly installed at the lower end of the push block (21), a sliding groove matched with the sliding block (22) is opened at the inner bottom end of the working frame (1), a connecting rod (20) is symmetrically installed at the upper end of the push block (21) through a rotating shaft, and the other ends of the two connecting rods (20) are rotatably connected to the lower end of the rotating plate (19) through the rotating shaft.

6. The corner bending device for corrugated paper box processing according to claim 3, characterized in that: A scale sticker (10) is adhered to the front end surface of the support plate (14).

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