Plane labeling machine

Abstract

The plane labeling machine comprises a conveyor and lifting frames, the lifting frames are symmetrically installed on the outer wall of the conveyor, lifting threaded sleeves are installed in the lifting frames in a sliding mode, the lifting threaded sleeves extend to the outer portions of the lifting frames, a supporting plate is arranged outside the lifting threaded sleeves above the conveyor, and the supporting plate is connected with the conveyor. And the lifting threaded sleeve is connected with a supporting plate, a labeling plate is installed on the outer wall of the supporting plate in a sliding mode, a servo motor is installed on the outer wall of the labeling plate, and a rotating shaft is installed at the output end of the servo motor. According to the utility model, the convenient and efficient plane labeling of the plane labeling machine on the material box is realized, the convenient and fast pressing of the labeling position of the label and the material box is convenient, the falling of the label is avoided, the multi-position convenient labeling of the plane labeling machine on the material box is convenient, the plane labeling machine is convenient to adapt to the material boxes with different sizes, and the production efficiency is improved. And the plane labeling efficiency and quality are improved.

Description

Technical Field

[0001] This utility model relates to the field of labeling machine technology, specifically a flat labeling machine. Background Technology

[0002] Flat labeling machines are used to apply labels to flat objects such as boxes or lids. During the labeling process, the label brush is perpendicular to the surface of the item to be labeled. When labeling, the label roll rotates. When the paper with the label rotates to the surface of the item to be labeled, the side of the label closest to the surface of the item detaches from the label paper and sticks to the surface of the item. As the item moves on the conveyor belt, the label is stuck to the surface of the item.

[0003] A flat labeling machine, as disclosed in authorization announcement number CN213324120U, includes a frame, a label adjustment mechanism, a label mechanism, a traction mechanism, and a conveying component; the conveying component is disposed on the frame; the label adjustment mechanism is disposed on the frame; the label mechanism is slidably disposed on the label adjustment mechanism and located above the conveying component; and the traction mechanism is disposed on the label mechanism.

[0004] It achieves convenient operation and can label products of different widths, making it suitable for labeling different models of products and improving the practicality of the equipment. Furthermore, after the feeding device finishes feeding, the remaining material between the feeding device and the traction mechanism can still be used, increasing the utilization rate of the label tape and reducing label tape waste.

[0005] However, this does not solve the problem that existing labeling machines of this type are generally not conducive to convenient and efficient flat labeling of material boxes, are not easy to press the label to the material box, and the label is easy to fall off. It is also not convenient for flat labeling machines to label material boxes in multiple positions, which affects the efficiency and quality of flat labeling. Utility Model Content

[0006] The purpose of this utility model is to provide a flat labeling machine to solve the problems mentioned in the background art, such as the inconvenience of labeling machines for convenient and efficient flat labeling of material boxes, the inconvenience of conveniently pressing the label to the material box, the easy detachment of labels, and the inconvenience of conveniently labeling material boxes at multiple positions, which affect the efficiency and quality of flat labeling.

[0007] To achieve the above objectives, this utility model provides the following technical solution: A flat labeling machine, comprising a conveyor and a lifting frame. The lifting frame is symmetrically mounted on the outer wall of the conveyor. Lifting threaded sleeves are slidably mounted inside each lifting frame, extending to the outside of the lifting frame. A support plate is provided outside the lifting threaded sleeves above the conveyor, and the lifting threaded sleeves are connected to the support plate. A labeling plate is slidably mounted on the outer wall of the support plate. A servo motor is mounted on the outer wall of the labeling plate. A rotating shaft is mounted at the output end of the servo motor, extending to the outside of the labeling plate, and the labeling plate is movably connected to the rotating shaft. A material cylinder is fitted onto the surface of the rotating shaft. A stepper motor is mounted on the outer wall of the labeling plate on one side of the servo motor. A support shaft is mounted at the output end of the stepper motor, extending to the outside of the labeling plate, and movably connected to the labeling plate. A support is fitted onto the surface of the support shaft on one side of the material cylinder. A take-up shaft is movably mounted on the outer wall of the labeling plate below the support shaft, extending to the outside of the labeling plate. A take-up roller is fitted onto the surface of the take-up shaft near the support roller, and a driven pulley is fitted onto the surface of the take-up shaft away from the take-up roller. A drive pulley is fitted onto the surface of the support shaft near the driven pulley, and a belt is fitted onto the surface of the drive pulley, extending to the surface of the driven pulley. A tension roller is movably mounted on the outer wall of the labeling plate on one side of the take-up roller. A second limiting roller is movably mounted on the outer wall of the labeling plate below the tension roller. A first limiting roller is movably mounted on the outer wall of the labeling plate on one side of the second limiting roller. A connecting plate is mounted on the outer wall of the labeling plate below the material cylinder. A first cylinder is mounted on the outer wall of the connecting plate. A compaction block is mounted on the output end of the first cylinder. A support block is mounted on the outer wall of the labeling plate on one side of the compaction block, and a labeling block is mounted on the outer wall of the support block near the compaction block.

[0008] Preferably, a power motor is installed on the outer wall of the support plate on the side away from the labeling plate, and a sliding groove is provided on the outer wall of the support plate on the side of the power motor.

[0009] Preferably, the output end of the power motor is equipped with a movable threaded rod, the surface of the movable threaded rod is fitted with a movable threaded sleeve, the movable threaded sleeve is slidably connected to the slide groove, and the movable threaded sleeve is connected to the labeling plate.

[0010] Preferably, slide rails are symmetrically installed on the outer wall of the support plate on the side away from the power motor.

[0011] Preferably, sliders are symmetrically slidably installed on the outer wall of the slide rail, and the sliders are connected to the labeling plate. A lifting motor is installed at the top of the lifting frame.

[0012] Preferably, the output end of each lifting motor is equipped with a lifting threaded rod, and the lifting threaded rod extends into the interior of the lifting frame, and the lifting motor is threadedly connected to the lifting threaded sleeve.

[0013] Preferably, a second cylinder is symmetrically installed on both outer walls of the conveyor.

[0014] Preferably, the top of the conveyor is symmetrically slidably mounted with a leveling plate, and the second cylinders are all connected to the leveling plate on the adjacent side.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the labeling machine not only realizes convenient and efficient flat labeling of material boxes, but also facilitates the easy pressing of the label and the material box to prevent the label from falling off, but also facilitates convenient labeling of material boxes in multiple positions, and makes it easy for the flat labeling machine to adapt to material boxes of different sizes, thus improving the efficiency and quality of flat labeling.

[0016] (1) By installing the label paper on the surface of the material cylinder, one end of the label paper is installed on the surface of the take-up roller via the second limit roller, the labeling block, the first limit roller, the tension roller, and the support roller. The material box to be labeled is placed on the surface of the conveyor. The conveyor drives the material box to move, and the second cylinder drives the sizing plates on both sides to move. The conveyor provides sliding support for the sizing plates to facilitate the sizing plates on both sides to clamp and sizing the material box for conveying. When the material box moves to below the labeling block, the servo motor drives the rotating shaft to rotate, and the rotating shaft drives the material cylinder to rotate, so that the material cylinder can easily release the label paper. The stepper motor drives the support shaft to rotate, and the support shaft drives the support roller to rotate. At the same time, the support shaft drives the drive pulley to rotate, and the drive pulley drives the belt to move. The belt drives the driven pulley to rotate, and the driven pulley drives the take-up shaft to rotate. The take-up shaft drives the drive pulley to rotate, and the take-up shaft drives the drive pulley to rotate. The rotating take-up roller rotates, and with the cooperation of the support roller and the take-up roller, the support roller and the take-up shaft drive the label paper to move. The tension roller, the first limit roller, and the second limit roller provide movable support for the label paper. When the label paper moves to the surface of the material box, the surface of the label close to the material box is detached from the label paper with the cooperation of the labeling block, and at the same time, it sticks to the surface of the material box. As the material box moves on the conveyor belt, the label is stuck to the surface of the material box. The first cylinder drives the compaction block to move, so as to facilitate the pressing of the label and the material box, and to facilitate convenient flat labeling of the material box. This realizes convenient and efficient flat labeling of the material box by the flat labeling machine, facilitates convenient alignment and conveying of the material box, facilitates convenient pressing of the label and the material box, avoids label falling off, and improves the efficiency and quality of flat labeling.

[0017] (2) The power motor drives the moving threaded rod to rotate, the moving threaded rod drives the moving threaded sleeve to move, the slide groove provides sliding support for the moving threaded sleeve, the moving threaded sleeve drives the labeling plate to move, the slider slides on the surface of the slide rail to provide sliding support for the labeling plate, the labeling plate drives the rotating shaft, the material cylinder, the labeling block, and the label paper to move, so as to facilitate the adjustment of the labeling position. The lifting motor drives the lifting threaded rod to rotate, the lifting threaded rod drives the lifting threaded sleeve to move, the lifting threaded sleeve drives the support plate to move, the support plate drives the labeling plate, the rotating shaft, the material cylinder, the labeling block, and the label paper to move conveniently, so as to facilitate the adjustment of the labeling height. This realizes the convenient height adjustment of the labeling position of the flat labeling machine, which facilitates the convenient labeling of material boxes in multiple positions of the flat labeling machine, and makes it easier for the flat labeling machine to adapt to material boxes of different sizes, thus improving the convenience of labeling of the flat labeling machine. Attached Figure Description

[0018] Figure 1 This is a front view structural diagram of the present utility model;

[0019] Figure 2 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 3 This is a three-dimensional structural diagram of the lifting frame of this utility model;

[0021] Figure 4 This is a three-dimensional structural diagram of the aligning plate of this utility model;

[0022] Figure 5 This is a three-dimensional structural diagram of the support plate of this utility model;

[0023] Figure 6 This is a three-dimensional structural diagram of the labeling block of this utility model;

[0024] Figure 7 This is a three-dimensional structural diagram of the labeling plate of this utility model.

[0025] In the diagram: 1. Conveyor; 2. Lifting frame; 3. Lifting threaded sleeve; 4. Support plate; 5. Labeling plate; 6. Rotating shaft; 7. Material cylinder; 8. Support shaft; 9. Support roller; 10. Rewinding shaft; 11. Rewinding roller; 12. Tensioning roller; 13. First limit roller; 14. Second limit roller; 15. Support block; 16. Labeling block; 17. Connecting plate; 18. First cylinder; 19. Compacting block; 20. Servo motor; 21. Stepper motor; 22. Drive pulley; 23. Belt; 24. Driven pulley; 25. Power motor; 26. Moving threaded sleeve; 27. Moving threaded rod; 28. Slide groove; 29. ​​Slide rail; 30. Slider; 31. Lifting threaded rod; 32. Lifting motor; 33. Second cylinder; 34. Alignment 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. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0027] Please see Figure 1-7 This utility model provides an embodiment of a flat labeling machine, including a conveyor 1 and a lifting frame 2. The lifting frames 2 are symmetrically installed on the outer wall of the conveyor 1. Lifting threaded sleeves 3 are slidably installed inside each lifting frame 2, extending to the outside of the lifting frame 2. A support plate 4 is provided outside the lifting threaded sleeves 3 above the conveyor 1, and the lifting threaded sleeves 3 are connected to the support plate 4. A labeling plate 5 is slidably installed on the outer wall of the support plate 4, and a servo motor 20 is installed on the outer wall of the labeling plate 5. A rotating shaft 6 is installed at the output end of machine 20, and the rotating shaft 6 extends to the outside of the labeling plate 5. The labeling plate 5 is movably connected to the rotating shaft 6. A material cylinder 7 is fitted on the surface of the rotating shaft 6. A stepper motor 21 is installed on the outer wall of the labeling plate 5 on one side of the servo motor 20. A support shaft 8 is installed at the output end of the stepper motor 21, and the support shaft 8 extends to the outside of the labeling plate 5. The support shaft 8 is movably connected to the labeling plate 5. A support roller 9 is fitted on the surface of the support shaft 8 on one side of the material cylinder 7. The labeling plate 5 below the support shaft 8 is... A take-up shaft 10 is movably mounted on the wall and extends to the outside of the labeling plate 5. A take-up roller 11 is fitted onto the surface of the take-up shaft 10 near the support roller 9, and a driven pulley 24 is fitted onto the surface of the take-up shaft 10 away from the take-up roller 11. A drive pulley 22 is fitted onto the surface of the support shaft 8 near the driven pulley 24, and a belt 23 is fitted onto the surface of the drive pulley 22, extending to the surface of the driven pulley 24. A tension roller 12 is movably mounted on the outer wall of the labeling plate 5 on the side of the take-up roller 11. A second limiting roller 14 is movably installed on the outer wall of the labeling plate 5 below the tension roller 12. A first limiting roller 13 is movably installed on the outer wall of the labeling plate 5 on one side of the second limiting roller 14. A connecting plate 17 is installed on the outer wall of the labeling plate 5 below the material cylinder 7. A first cylinder 18 is installed on the outer wall of the connecting plate 17. A compaction block 19 is installed at the output end of the first cylinder 18. A support block 15 is installed on the outer wall of the labeling plate 5 on one side of the compaction block 19. A labeling block 16 is installed on the outer wall of the support block 15 near the compaction block 19.

[0028] Labels are installed on the surface of the material cylinder 7. One end of the label is then mounted on the surface of the take-up roller 11 via the second limiting roller 14, labeling block 16, first limiting roller 13, tension roller 12, and support roller 9. The material box to be labeled is placed on the surface of the conveyor 1. The conveyor 1 is turned on, and it moves the material box. The second cylinders 33 on both sides are opened. With the support of the conveyor 1, the second cylinders 33 move the swaying plates 34 on both sides. The conveyor 1 provides sliding support for the swaying plates 34 to facilitate the movement of the swaying plates on both sides. The positive plate 34 clamps and aligns the material box for conveying. When the material box moves below the labeling block 16, the servo motor 20 is activated. Supported by the labeling plate 5, the servo motor 20 drives the rotating shaft 6 to rotate, which in turn drives the material cylinder 7 to rotate, facilitating the easy release of the label paper from the material cylinder 7. The stepper motor 21 is then activated. Supported by the labeling plate 5, the stepper motor 21 drives the support shaft 8 to rotate, which in turn drives the support roller 9 to rotate. Simultaneously, the support shaft 8 drives the drive pulley 22 to rotate, which in turn drives the belt 23 to move. Belt 23 drives driven pulley 24 to rotate, driven pulley 24 drives take-up shaft 10 to rotate, and take-up shaft 10 drives take-up roller 11 to rotate. With the cooperation of support roller 9 and take-up roller 11, the label paper driven by support roller 9 and take-up shaft 10 moves. Tension roller 12, first limit roller 13, and second limit roller 14 provide movable support for the label paper. When the label paper moves to the surface of the material box, the surface of the label near the material box detaches from the label paper with the cooperation of labeling block 16, and at the same time sticks to the surface of the material box. The movement on the conveyor belt causes the label to be attached to the surface of the material box. The first cylinder 18 is opened, and under the support of the connecting plate 17, the first cylinder 18 drives the compaction block 19 to move, so as to facilitate the pressing of the label and the material box, and to facilitate the convenient flat labeling of the material box. This realizes the convenient and efficient flat labeling of the material box by the flat labeling machine, facilitates the convenient alignment and conveying of the material box, facilitates the convenient pressing of the label and the material box, avoids the label falling off, and improves the efficiency and quality of flat labeling.

[0029] A power motor 25 is installed on the outer wall of the support plate 4 on the side away from the labeling plate 5. A slide groove 28 is provided on the outer wall of the support plate 4 on the side of the power motor 25. A movable threaded rod 27 is installed at the output end of the power motor 25. A movable threaded sleeve 26 is fitted on the surface of the movable threaded rod 27, and the movable threaded sleeve 26 is slidably connected to the slide groove 28 and connected to the labeling plate 5. Slide rails 29 are symmetrically installed on the outer wall of the support plate 4 on the side away from the power motor 25. The outer walls of the slide rails 29 are symmetrically fitted with slide rails. The conveyor 1 is equipped with a slider 30, which is connected to the labeling plate 5. The top of the lifting frame 2 is equipped with a lifting motor 32, and the output end of the lifting motor 32 is equipped with a lifting threaded rod 31, which extends into the interior of the lifting frame 2. The lifting motor 32 is threadedly connected to the lifting threaded sleeve 3. The two outer walls of the conveyor 1 are symmetrically equipped with second cylinders 33. The top of the conveyor 1 is symmetrically slidably equipped with a sizing plate 34, and the second cylinders 33 are connected to the sizing plate 34 on the adjacent side.

[0030] When the labeling position needs adjustment, the power motor 25 is turned on. Supported by the support plate 4, the power motor 25 drives the movable threaded rod 27 to rotate. With the threaded connection between the movable threaded rod 27 and the movable threaded sleeve 26, the movable threaded rod 27 drives the movable threaded sleeve 26 to move. The slide groove 28 provides sliding support for the movable threaded sleeve 26, which in turn drives the labeling plate 5 to move. The slider 30 slides on the surface of the slide rail 29 to provide sliding support for the labeling plate 5. The labeling plate 5 drives the rotating shaft 6, the material cylinder 7, the labeling block 16, and the label paper to move, so as to facilitate the adjustment of the labeling position. When the labeling height needs adjustment, the two sets of lifting mechanisms are turned on. Supported by the lifting frame 2, the motor 32 drives the lifting threaded rod 31 to rotate. With the threaded connection between the lifting threaded rod 31 and the lifting threaded sleeve 3, the lifting threaded rod 31 drives the lifting threaded sleeve 3 to move. The lifting threaded sleeve 3 drives the support plate 4 to move. The support plate 4 drives the labeling plate 5, rotating shaft 6, material cylinder 7, labeling block 16, and label paper to move conveniently, so as to facilitate the adjustment of the labeling height. This realizes the convenient height adjustment of the labeling position of the flat labeling machine, which facilitates the labeling of material boxes in multiple positions. It also makes the flat labeling machine adaptable to material boxes of different sizes, thus improving the convenience of labeling.

[0031] In this embodiment, the following steps are taken: First, the label paper is installed on the surface of the material cylinder 7. One end of the label paper is then installed on the surface of the take-up roller 11 via the second limiting roller 14, the labeling block 16, the first limiting roller 13, the tension roller 12, and the support roller 9. The material box to be labeled is placed on the surface of the conveyor 1. The conveyor 1 is turned on, and it moves the material box. The second cylinders 33 on both sides are opened. With the support of the conveyor 1, the second cylinders 33 move the sizing plates 34 on both sides. The conveyor 1 provides sliding support for the sizing plates 34, so that the sizing plates 34 on both sides can clamp and sizing the material box for conveying. When the material box moves... When the labeling block 16 is positioned below the labeling block, the servo motor 20 drives the rotating shaft 6 to rotate, which in turn drives the material cylinder 7 to rotate, facilitating the easy release of the label paper from the material cylinder 7. The stepper motor 21 drives the support shaft 8 to rotate, which in turn drives the support roller 9 to rotate. Simultaneously, the support shaft 8 drives the drive pulley 22 to rotate, which in turn drives the belt 23 to move. The belt 23 then drives the driven pulley 24 to rotate, which in turn drives the take-up shaft 10 to rotate. The take-up shaft 10 then drives the take-up roller 11 to rotate. The support roller 9 and the take-up shaft 10 move the label paper, and the tension roller 12, the first limit roller 13, and the second limit roller 14 adjust the label paper accordingly. The movable support system allows the label to detach from the material box surface as it moves to the surface. With the assistance of the labeling block 16, the label near the material box detaches from the paper and adheres to the box surface. As the material box moves on the conveyor belt, the label adheres to its surface. The first cylinder 18 moves the compaction block 19 to press the label firmly against the material box, facilitating easy flat labeling. When adjustment of the labeling position is needed, the power motor 25 rotates the moving threaded rod 27, which in turn moves the moving threaded sleeve 26. The sliding groove 28 provides sliding support for the moving threaded sleeve 26. The movable threaded sleeve 26 drives the labeling plate 5 to move, and the slider 30 slides on the surface of the slide rail 29 to provide sliding support for the labeling plate 5. The labeling plate 5 drives the rotating shaft 6, the material cylinder 7, the labeling block 16, and the label paper to move, so as to facilitate the adjustment of the labeling position. When it is necessary to adjust the labeling height, the lifting motor 32 drives the lifting threaded rod 31 to rotate, the lifting threaded rod 31 drives the lifting threaded sleeve 3 to move, the lifting threaded sleeve 3 drives the support plate 4 to move, and the support plate 4 drives the labeling plate 5, the rotating shaft 6, the material cylinder 7, the labeling block 16, and the label paper to move conveniently, so as to facilitate the adjustment of the labeling height and complete the operation of the labeling machine.

Claims

1. A flat labeling machine, characterized in that: The system includes a conveyor (1) and a lifting frame (2). The lifting frames (2) are symmetrically installed on the outer wall of the conveyor (1). Lifting threaded sleeves (3) are slidably installed inside each lifting frame (2), extending to the outside of the lifting frame (2). A support plate (4) is provided outside the lifting threaded sleeves (3) above the conveyor (1), and the lifting threaded sleeves (3) are connected to the support plate (4). A labeling plate (5) is slidably installed on the outer wall of the support plate (4). A servo motor (20) is installed on the outer wall of the labeling plate (5). A rotating shaft (6) is installed at the output end of the servo motor (20), and the rotating shaft... The rotating shaft (6) extends to the outside of the labeling plate (5), and the labeling plate (5) is movably connected to the rotating shaft (6). A material cylinder (7) is fitted on the surface of the rotating shaft (6). A stepper motor (21) is installed on the outer wall of the labeling plate (5) on one side of the servo motor (20). A support shaft (8) is installed at the output end of the stepper motor (21), and the support shaft (8) extends to the outside of the labeling plate (5), and the support shaft (8) is movably connected to the labeling plate (5). A support roller (9) is fitted on the surface of the support shaft (8) on one side of the material cylinder (7). A take-up shaft (1) is movably installed on the outer wall of the labeling plate (5) below the support shaft (8). 0), and the take-up shaft (10) extends to the outside of the labeling plate (5), the surface of the take-up shaft (10) near the support roller (9) is fitted with a take-up roller (11), the surface of the take-up shaft (10) away from the take-up roller (11) is fitted with a driven pulley (24), the surface of the support shaft (8) near the driven pulley (24) is fitted with a driving pulley (22), the surface of the driving pulley (22) is fitted with a belt (23), and the belt (23) extends to the surface of the driven pulley (24), a tension roller (12) is movably installed on the outer wall of the labeling plate (5) on the side of the take-up roller (11), the ... 2) A second limiting roller (14) is movably installed on the outer wall of the labeling plate (5) below. A first limiting roller (13) is movably installed on the outer wall of the labeling plate (5) on one side of the second limiting roller (14). A connecting plate (17) is installed on the outer wall of the labeling plate (5) below the material cylinder (7). A first cylinder (18) is installed on the outer wall of the connecting plate (17). A compaction block (19) is installed at the output end of the first cylinder (18). A support block (15) is installed on the outer wall of the labeling plate (5) on one side of the compaction block (19). A labeling block (16) is installed on the outer wall of the support block (15) near the compaction block (19).

2. A flat labeling machine according to claim 1, characterized in that: A power motor (25) is installed on the outer wall of the support plate (4) away from the labeling plate (5), and a groove (28) is provided on the outer wall of the support plate (4) on the side of the power motor (25).

3. A flat labeling machine according to claim 2, characterized in that: The output end of the power motor (25) is equipped with a movable threaded rod (27), the surface of the movable threaded rod (27) is fitted with a movable threaded sleeve (26), the movable threaded sleeve (26) is slidably connected to the slide groove (28), and the movable threaded sleeve (26) is connected to the label plate (5).

4. A flat labeling machine according to claim 2, characterized in that: The support plate (4) has slide rails (29) symmetrically installed on the outer wall of the side away from the power motor (25).

5. A flat labeling machine according to claim 4, characterized in that: Slider (30) is symmetrically slidably installed on the outer wall of the slide rail (29), and the slider (30) is connected to the label plate (5). The top of the lifting frame (2) is equipped with a lifting motor (32).

6. A flat labeling machine according to claim 5, characterized in that: The output end of each of the lifting motors (32) is equipped with a lifting threaded rod (31), and the lifting threaded rod (31) extends into the interior of the lifting frame (2), and the lifting motor (32) is threadedly connected to the lifting threaded sleeve (3).

7. A flat labeling machine according to claim 1, characterized in that: The conveyor (1) has a second cylinder (33) symmetrically installed on both outer walls.

8. A flat labeling machine according to claim 1, characterized in that: The top of the conveyor (1) is symmetrically and slidably equipped with a sizing plate (34), and the second cylinder (33) is connected to the sizing plate (34) on the adjacent side.

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