Paper box auxiliary turnover mechanism for paper box printing

Abstract

The utility model relates to the technical field of carton printing, and discloses a carton auxiliary turnover mechanism for carton printing, which comprises a first conveyor belt, a support plate and a second conveyor belt, a front printer is arranged at the top of the first conveyor belt, a motor is fixedly connected to the outer side of the support plate, and a rotating shaft is fixedly connected to the output end of the motor. A plurality of overturning plates are fixedly connected to the outer side of the rotating shaft, a leveling assembly is arranged on the left side of the top of the second conveying belt and used for pressing the carton, a connecting plate is fixedly connected to the lower portion of the outer side of the second conveying belt, and a second air cylinder is fixedly connected to the top of the connecting plate. According to the utility model, the second driving air cylinder acts to drive the moving plate and enable the rotating rod to rotate, so that the U-shaped blocks are pulled to slide in the limiting block, the two U-shaped blocks and the limiting plate are close to each other or far away from each other, the paper box can be straightened after being turned over, inclination is avoided, the back printing precision and efficiency are improved, errors are reduced, and the production quality and speed are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of paper box printing, in particular to a paper box auxiliary turning mechanism for paper box printing. Background Art

[0002] Carton printing is the process of precisely transferring a design onto the carton surface, encompassing key steps such as plate mounting, inking, embossing, and paper feeding. Various printing techniques are employed, including single-piece printing, printed ribbon slotting, die-cutting, printed slotting, die-cutting, and box gluing. Automated production lines integrate all these processes, significantly improving production efficiency and consistency.

[0003] In the prior art, the auxiliary flipping mechanism used for carton printing often causes the carton to tilt after flipping due to instability in the flipping process or uneven distribution of flipping force. This not only affects the accuracy of subsequent printing, but also causes the carton to fall off the conveyor belt, reducing overall production efficiency and product quality.

[0004] In view of the above problems, a carton auxiliary turning mechanism for carton printing is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a carton auxiliary flipping mechanism for carton printing, which aims to improve the problem that the auxiliary flipping mechanism for carton printing in the prior art often causes the carton to tilt after flipping due to instability in the flipping process or uneven distribution of flipping force, which not only affects the accuracy of subsequent printing, but also causes the carton to fall off the conveyor belt, reducing overall production efficiency and product quality.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a carton auxiliary turning mechanism for carton printing, comprising a first conveyor belt, a support plate and a second conveyor belt, a front printing machine is provided on the top of the first conveyor belt, a motor is fixedly connected to the outer side of the support plate, a rotating shaft is fixedly connected to the output end of the motor, a plurality of turning plates are fixedly connected to the outer side of the rotating shaft, a leveling assembly is provided on the left side of the top of the second conveyor belt, the leveling assembly is used to press the paper box, a connecting plate is fixedly connected to the lower outer side of the second conveyor belt, a cylinder 2 is fixedly connected to the top of the connecting plate, a movable plate is fixedly connected to the output end of the cylinder 2, two rotating rods are rotatably connected to the outer side of the movable plate, a U-shaped block is rotatably connected to the end of the rotating rod away from the movable plate, a limiting plate is fixedly connected to the outer side of the U-shaped block, a back printing machine is installed on the rear side of the top of the second conveyor belt, and a limiting block is fixedly connected to the top of the connecting plate.

[0007] As a further description of the above technical solution:

[0008] The leveling assembly includes a support frame, the outer side of the support frame is fixedly connected to the left side of the top of the second conveyor belt, the outer side of the support frame is fixedly connected to a cylinder 1, the output end of the cylinder 1 is fixedly connected to a connecting block, the connecting block is rotatably connected to two connecting rods, the outer side of the connecting block is fixedly connected to a sliding shaft, the outer side of the sliding shaft is slidably connected to a hollow shell, the bottom of the hollow shell is fixedly connected to a pressing shell, the inside of the pressing shell is fixedly connected to a sliding rod, the outer side of the sliding rod is slidably connected to two sliders, a connecting rod is provided between the slider and the connecting block, two springs are sleeved on the outer side of the slide rod, and the lower side of the inner side of the pressing shell is rotatably connected to a clamping roller.

[0009] As a further description of the above technical solution:

[0010] A plurality of rollers are rotatably connected inside the flip plate.

[0011] As a further description of the above technical solution:

[0012] One end of the spring is fixedly connected to the outside of the slider, and the other end of the spring is fixedly connected to the inside of the compression shell.

[0013] As a further description of the above technical solution:

[0014] One end of the connecting rod is rotatably connected to the inside of the connecting block, and the other end of the connecting rod is rotatably connected to the top of the sliding block.

[0015] As a further description of the above technical solution:

[0016] The outer side of the U-shaped block is slidably connected to the inside of the limiting block.

[0017] As a further description of the above technical solution:

[0018] The outer side of the movable plate is slidably connected to the top of the connecting plate.

[0019] As a further description of the above technical solution:

[0020] The bottom of the limiting plate is slidably connected to the top of the second conveyor belt.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, by driving the second cylinder and then driving the movable plate to move, the rotating rod rotates, thereby pulling the U-shaped block to slide inside the limit block, so that the two U-shaped blocks and the limit plate are close to or away from each other, ensuring that the paper box can be straightened after turning over to avoid tilting, improve the accuracy and efficiency of back printing, reduce errors, and improve production quality and speed.

[0023] 2. In the utility model, the connecting block is driven downward by the air cylinder until the clamping roller contacts the paper box, and then continues to move downward, thereby driving the connecting rod to rotate, and then pulling the two sliders away from each other on the outside of the slide rod, thereby compressing the spring, and the connecting block moves downward, while driving the sliding shaft to slide inside the hollow shell, thereby driving the clamping shell and the clamping roller downward, thereby realizing the leveling of the paper box, ensuring the flatness and stability of the paper box, reducing errors in subsequent printing, and improving printing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a three-dimensional diagram of a paper box auxiliary turning mechanism for paper box printing proposed by the present invention;

[0025] Figure 2 This is a schematic structural diagram of a spring of a paper box auxiliary turning mechanism for paper box printing proposed by the present invention;

[0026] Figure 3 The utility model is a schematic structural diagram of a rotating rod of a carton auxiliary turning mechanism for carton printing.

[0027] Legend:

[0028] 1. First conveyor belt; 2. Front printing machine; 3. Support plate; 4. Motor; 5. Flip plate; 6. Rotating shaft; 7. Second conveyor belt; 8. Connecting plate; 9. Support frame; 10. Cylinder 1; 11. Connecting block; 12. Connecting rod; 13. Slider; 14. Sliding rod; 15. Spring; 16. Hollow shell; 17. Sliding shaft; 18. Pressing shell; 19. Clamping roller; 20. Cylinder 2; 21. Moving plate; 22. Rotating rod; 23. U-shaped block; 24. Limit block; 25. Limiting plate; 26. Back printing machine; 27. Roller. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] Reference Figure 1 - Figure 3The utility model provides an embodiment of a paper box auxiliary turning mechanism for paper box printing, comprising a first conveyor belt 1, a support plate 3 and a second conveyor belt 7. A front printing machine 2 is provided on the top of the first conveyor belt 1, a motor 4 is fixedly connected to the outside of the support plate 3, and a rotating shaft 6 is fixedly connected to the output end of the motor 4. A plurality of turning plates 5 are fixedly connected to the outside of the rotating shaft 6. A leveling assembly is provided on the left side of the top of the second conveyor belt 7 for pressing the paper box. The lower outer part of the second conveyor belt 7 is fixedly connected to a connecting plate 8, a cylinder 20 is fixedly connected to the top of the connecting plate 8, and a movable plate 21 is fixedly connected to the output end of the cylinder 20. The outer side of the movable plate 21 is rotatably connected to two rotating rods 22, and the rotating rod 22 is rotatably connected to a U-shaped block 23 at one end away from the movable plate 21. The outer side of the U-shaped block 23 is fixedly connected to a limiting plate 25. A back printing machine 26 is installed on the rear side of the top of the second conveyor belt 7, and a limiting block 24 is fixedly connected to the top of the connecting plate 8.

[0031] Specifically, as the first conveyor belt 1 rotates, the paper box is driven to move to the front printing machine 2 on the far right for printing. After that, the paper box will enter the flip plate 5 along the roller 27, and then the driving motor 4 drives the rotating shaft 6 and the flip plate 5 to rotate, so that the paper box rotates to the surface of the second conveyor belt 7. Then, the paper box is pressed by the leveling component. After that, the driving cylinder 20 drives the moving plate 21 to move, so that the rotating rod 22 rotates, thereby pulling the U-shaped block 23 to slide inside the limit block 24, so that the two U-shaped blocks 23 and the limit plate 25 are close to or away from each other. When it moves to the appropriate position, the driving cylinder 20 is stopped to prevent the paper box from tilting when entering the back printing machine 26 for printing.

[0032] Reference Figure 1 and Figure 2 The leveling assembly includes a support frame 9, the outer side of the support frame 9 is fixedly connected to the left side of the top of the second conveyor belt 7, the outer side of the support frame 9 is fixedly connected to a cylinder 10, the output end of the cylinder 10 is fixedly connected to a connecting block 11, the connecting block 11 is internally rotatably connected to two connecting rods 12, the outer side of the connecting block 11 is fixedly connected to a sliding shaft 17, the outer side of the sliding shaft 17 is slidably connected to a hollow shell 16, the bottom of the hollow shell 16 is fixedly connected to a clamping shell 18, the inside of the clamping shell 18 is fixedly connected to a sliding rod 14, the outer side of the sliding rod 14 is slidably connected to two sliders 13, a connecting rod 12 is arranged between the slider 13 and the connecting block 11, two springs 15 are sleeved on the outer side of the sliding rod 14, and the lower side of the inner side of the clamping shell 18 is rotatably connected.

[0033] Specifically, the cylinder 10 drives the connecting block 11 downward until the clamping roller 19 contacts the paper box, and then continues to move downward, thereby driving the connecting rod 12 to rotate, and then pulling the two sliders 13 away from each other on the outside of the slide rod 14, thereby compressing the spring 15, and the connecting block 11 moves downward, while driving the sliding shaft 17 to slide inside the hollow shell 16, and then driving the clamping shell 18 and the clamping roller 19 downward to level the paper box.

[0034] Reference Figure 1 - Figure 3 , multiple rollers 27 are rotatably connected inside the flip plate 5, one end of the spring 15 is fixedly connected to the outside of the slider 13, and the other end of the spring 15 is fixedly connected to the inside of the compression shell 18, one end of the connecting rod 12 is rotatably connected to the inside of the connecting block 11, and the other end of the connecting rod 12 is rotatably connected to the top of the slider 13, the outside of the U-shaped block 23 is slidably connected to the inside of the limit block 24, the outside of the movable plate 21 is slidably connected to the top of the connecting plate 8, and the bottom of the limit plate 25 is slidably connected to the top of the second conveyor belt 7.

[0035] Specifically, multiple rollers 27 are installed inside the flip plate 5 to provide stable support and guidance for the flipping process of the carton. One end of the spring 15 is tightly connected to the outer side of the slider 13, and the other end is fixed to the inner side of the pressing shell 18, forming an elastic support system to ensure that appropriate elastic force can be generated during the carton pressing operation, which not only ensures the pressing effect but also avoids the damage that may be caused by excessive pressure. One end of the connecting rod 12 is connected to the inside of the connecting block 11, and the other end is connected to the top of the slider 13 so that the downward movement of the connecting block 11 can be effectively transmitted to the slider 13 through the connecting rod 12, realizing the overall coordinated action, ensuring that the carton is evenly and stably pressed during the pressing process. The block 23 is slidably connected to the inside of the limit block 24 on the outside, allowing the U-shaped block 23 to move freely inside the limit block 24, so that under the action of the driving cylinder 20, the distance between it and the limit plate 25 can be flexibly adjusted to adapt to cartons of different sizes or shapes, ensuring their stable transportation on the second conveyor belt 7. There is a sliding connection between the movable plate 21 and the top of the connecting plate 8, so that under the action of the driving cylinder 20, the movable plate 21 can move smoothly on the connecting plate 8, driving the corresponding actions of the rotating rod 22, the U-shaped block 23 and the limit plate 25, ensuring the correct positioning and direction of the carton before entering the back printing machine 26, preventing tilting, thereby ensuring the smooth progress of the subsequent printing process.

[0036] Working principle: When in use, first, the paper box is guided to the rightmost front printing machine 2 along with the operation of the first conveyor belt 1, where the preliminary front printing is completed. Then, the paper box is sent into the inside of the flip plate 5 through a series of movements with the help of the coordinated action of the roller 27 and the flip plate 5, and the rotation of the rotating shaft 6 driven by the drive motor 4 and the flip plate 5 is realized to realize the flipping of the paper box.

[0037] During the flipping process, the carton is transferred to the surface of the second conveyor belt 7. Then, the cylinder 10 is started, and the clamping roller 19 contacts and clamps the carton through the descending action of the connecting block 11. In this process, the continuous downward movement of the connecting block 11 drives the rotation of the connecting rod 12, and then pulls the two sliders 13 to move relative to each other along the outside of the slide rod 14, and at the same time compresses the spring 15 to achieve further downward movement of the connecting block 11. The connecting block 11 moves downward and pushes the sliding shaft 17 to slide in the hollow shell 16, which eventually causes the clamping shell 18 and the clamping roller 19 to move downward together, effectively leveling the carton.

[0038] Next, the driving cylinder 20 starts to operate, driving the movable plate 21 to move, causing the rotating rod 22 to rotate accordingly, thereby pulling the U-shaped block 23 to slide inside the limit block 24, so that the distance between the two U-shaped blocks 23 and the limit plate 25 changes, and is adjusted to a position suitable for the paper box to enter the back printing machine 26 for printing. In order to ensure that the paper box will not tilt during the subsequent printing process, when it moves to the appropriate position, the driving cylinder 20 stops working to maintain the stability of the paper box, and the paper box is then printed through the back printing machine 26.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A carton auxiliary turning mechanism for carton printing, comprising a first conveyor belt (1), a support plate (3) and a second conveyor belt (7), characterized in that: A front printing machine (2) is provided on the top of the first conveyor belt (1), a motor (4) is fixedly connected to the outside of the support plate (3), a rotating shaft (6) is fixedly connected to the output end of the motor (4), a plurality of flip plates (5) are fixedly connected to the outside of the rotating shaft (6), a leveling assembly is provided on the left side of the top of the second conveyor belt (7), the leveling assembly is used to press the paper box, a connecting plate (8) is fixedly connected to the lower part of the outer side of the second conveyor belt (7), and the top of the connecting plate (8) is fixedly connected There is a second cylinder (20), the output end of the second cylinder (20) is fixedly connected to a movable plate (21), the outer side of the movable plate (21) is rotatably connected to two rotating rods (22), one end of the rotating rod (22) away from the movable plate (21) is rotatably connected to a U-shaped block (23), the outer side of the U-shaped block (23) is fixedly connected to a limiting plate (25), a back printing machine (26) is installed on the rear side of the top of the second conveyor belt (7), and the top of the connecting plate (8) is fixedly connected to the limiting block (24).

2. A carton auxiliary turning mechanism for carton printing according to claim 1, characterized in that: The leveling assembly includes a support frame (9), the outer side of the support frame (9) is fixedly connected to the left side of the top of the second conveyor belt (7), the outer side of the support frame (9) is fixedly connected to a cylinder 1 (10), the output end of the cylinder 1 (10) is fixedly connected to a connecting block (11), the connecting block (11) is internally rotatably connected to two connecting rods (12), the outer side of the connecting block (11) is fixedly connected to a sliding shaft (17), the outer side of the sliding shaft (17) is slidably connected to a hollow shell (16), the bottom of the hollow shell (16) is fixedly connected to a pressing shell (18), the inner side of the pressing shell (18) is fixedly connected to a sliding rod (14), the outer side of the sliding rod (14) is slidably connected to two sliders (13), a connecting rod (12) is provided between the slider (13) and the connecting block (11), the outer side of the sliding rod (14) is provided with two springs (15), and the lower side of the inner side of the pressing shell (18) is rotatably connected to a clamping roller (19).

3. The carton auxiliary turning mechanism for carton printing according to claim 1, characterized in that: The flip plate (5) is internally rotatably connected to a plurality of rollers (27).

4. The carton auxiliary turning mechanism for carton printing according to claim 2, characterized in that: One end of the spring (15) is fixedly connected to the outside of the slider (13), and the other end of the spring (15) is fixedly connected to the inside of the compression shell (18).

5. The carton auxiliary turning mechanism for carton printing according to claim 2, characterized in that: One end of the connecting rod (12) is rotatably connected to the inside of the connecting block (11), and the other end of the connecting rod (12) is rotatably connected to the top of the slider (13).

6. The carton auxiliary turning mechanism for carton printing according to claim 1, characterized in that: The outer side of the U-shaped block (23) is slidably connected to the inside of the limiting block (24).

7. The carton auxiliary turning mechanism for carton printing according to claim 1, characterized in that: The outer side of the movable plate (21) is slidably connected to the top of the connecting plate (8).

8. The carton auxiliary turning mechanism for carton printing according to claim 1, characterized in that: The bottom of the limiting plate (25) is slidably connected to the top of the second conveyor belt (7).

Images