Deviation correcting device of paperboard cutting machine

Abstract

The utility model discloses a deviation rectifying device of a paperboard cutting machine, which comprises a processing table, two conveying rollers are rotatably arranged on the upper end face of the processing table through a rotating groove, a conveying motor connected with a rotating shaft of one conveying roller is fixedly arranged on the outer wall of the processing table, and a conveying belt is sleeved on the outer walls of the two conveying rollers. Two photoelectric sensors are fixedly mounted on the upper end face of the machining table through mounting plates. By arranging the photoelectric sensor, the two-way screw, the movable plate, the deviation rectifying roller and the like, when the photoelectric sensor detects that a paperboard deviates, the deviation rectifying motor is started to drive the two-way screw to rotate, and due to the special thread design of the two-way screw and the limiting effect of the limiting rod on the movable block, the deviation rectifying effect is greatly improved. The two moving blocks can accurately move towards each other or away from each other, the movement is transmitted to the moving plate and the deviation rectifying roller through a series of connecting components, the deviation rectifying roller can be flexibly adjusted according to the deviation condition of a paperboard, and accurate deviation rectifying of the paperboard is achieved.

Description

Technical Field

[0001] This utility model relates to the field of cardboard cutting technology, and in particular to a correction device for a cardboard cutting machine. Background Technology

[0002] Paperboard is a thick sheet of paper made from various pulps, characterized by its interwoven fibers.

[0003] In the cardboard manufacturing process, the cardboard cutter is one of the key pieces of equipment. Its main function is to cut large-sized cardboard into the required specifications. However, in actual cutting operations, cardboard often deviates during the conveying process. This problem is caused by a variety of factors, such as uneven tension of the conveyor belt, differences in the physical properties of the cardboard itself, and inaccurate installation and debugging of the equipment. Cardboard deviation has many adverse effects. On the one hand, the dimensions of the cut cardboard will deviate, failing to meet quality standards, leading to a significant increase in the scrap rate, resulting in a huge waste of raw materials and an increase in production costs. On the other hand, frequent deviations can interrupt the production process, requiring operators to spend time adjusting, which seriously affects production efficiency. Therefore, it is necessary to design a deviation correction device for the cardboard cutter to address the above problems. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a correction device for a cardboard cutting machine.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A correction device for a cardboard cutting machine includes a processing table. Two conveyor rollers are rotatably mounted on the upper surface of the processing table via a rotating groove. A transport motor connected to the rotating shaft of one of the conveyor rollers is fixedly mounted on the outer wall of the processing table. A conveyor belt is fitted onto the outer walls of both conveyor rollers. Two photoelectric sensors are fixedly mounted on the upper surface of the processing table via a mounting plate. A bidirectional screw is rotatably mounted on the bottom wall of the processing table via a moving frame. A correction motor connected to the bidirectional screw is fixedly mounted on the outer wall of the moving frame. Two moving blocks are threadedly mounted on the outer wall of the bidirectional screw via a limiting mechanism. Connecting plates are rotatably mounted on both sides of the outer walls of the two moving blocks via a first connecting frame. A second connecting frame is rotatably mounted on the ends of the two connecting plates on the same side. Prismatic rods are slidably mounted on the outer walls of the two second connecting frames via moving plates. A limiting block is fixedly mounted on one end of each of the two prismatic rods. The inner walls of the two limiting blocks are connected to the outer wall of the moving plate on the same side via an elastic mechanism. Connecting plates are fixedly mounted on the other ends of the two prismatic rods. Multiple correction rollers are rotatably mounted on the bottom walls of the two connecting plates.

[0007] Preferably, the limiting mechanism includes a limiting rod fixedly installed inside the movable frame, the limiting rod sliding through the two movable blocks.

[0008] Preferably, the elastic mechanism includes a spring installed on the outer wall of the prism rod, with both ends of the spring elastically connected to the outer wall of the moving plate and the inner wall of the limiting block, respectively.

[0009] Preferably, two support plates are fixedly installed on the upper surface of the processing table, and electric actuators are fixedly installed on the bottom walls of both support plates.

[0010] Preferably, both of the telescopic ends of the electric actuators are fixedly equipped with lower pressure plates, and the bottom walls of both lower pressure plates are fixedly equipped with anti-slip pads.

[0011] The beneficial effects of this utility model are:

[0012] 1. By setting up components such as photoelectric sensors, bidirectional screws, moving plates, and correction rollers, when the photoelectric sensor detects the cardboard deviation, it starts the correction motor to drive the bidirectional screw to rotate. Due to the special thread design of the bidirectional screw and the limiting effect of the limiting rod on the moving blocks, the two moving blocks can move precisely in opposite directions. This movement is transmitted to the moving plate and correction roller through a series of connecting parts, allowing the correction roller to be flexibly adjusted according to the deviation of the cardboard, so as to achieve precise correction of the cardboard.

[0013] 2. By incorporating components such as an electric actuator, a lower pressure plate, and anti-slip pads, the electric actuator pushes the lower pressure plate downwards. The anti-slip pads on the bottom wall of the lower pressure plate make close contact with the cardboard, greatly increasing the friction between them and firmly fixing the cardboard to the processing table. This fixing action prevents the cardboard from shifting due to external forces during the cutting process, ensuring the accuracy and consistency of the cutting dimensions. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of a correction device for a cardboard cutting machine proposed in this utility model;

[0015] Figure 2 for Figure 1 A schematic diagram of the vertical section structure;

[0016] Figure 3 This is a side vertical section diagram of the correction device for a cardboard cutting machine proposed in this utility model;

[0017] Figure 4 for Figure 1 Enlarged schematic diagram of the structure at point A in the diagram;

[0018] Figure 5 for Figure 2 Enlarged schematic diagram of the structure at point B in the diagram;

[0019] Figure 6 for Figure 3 A magnified schematic diagram of the structure at point C.

[0020] In the diagram: 1. Processing table, 2. Mounting plate, 3. Photoelectric sensor, 4. Moving frame, 5. Bidirectional screw, 6. Correction motor, 7. Limiting rod, 8. Moving block, 9. First connecting frame, 10. Connecting plate, 11. Second connecting frame, 12. Moving plate, 13. Prism rod, 14. Limiting block, 15. Spring, 16. Connecting plate, 17. Correction roller, 18. Support plate, 19. Electric push rod, 20. Lower pressure plate, 21. Anti-slip pad. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Reference Figure 1-6 A correction device for a cardboard cutting machine includes a processing table 1. Two conveyor rollers are rotatably mounted on the upper surface of the processing table 1 via a rotating groove. A transport motor connected to the rotating shaft of one of the conveyor rollers is fixedly mounted on the outer wall of the processing table 1. A conveyor belt is fitted around the outer wall of both conveyor rollers. Two photoelectric sensors 3 are fixedly mounted on the upper surface of the processing table 1 via a mounting plate 2. A bidirectional screw 5 is rotatably mounted on the bottom wall of the processing table 1 via a moving frame 4. A correction motor 6 connected to the bidirectional screw 5 is fixedly mounted on the outer wall of the moving frame 4. Two moving screws 6 are threadedly mounted on the outer wall of the bidirectional screw 5 via a limiting mechanism. The two movable blocks 8 have connecting plates 10 rotatably mounted on their outer walls via the first connecting frame 9. The ends of the two connecting plates 10 on the same side are rotatably mounted on the second connecting frame 11. The outer walls of the two second connecting frames 11 are slidably mounted with prismatic rods 13 via movable plates 12. One end of each of the two prismatic rods 13 is fixedly mounted with a limit block 14. The inner walls of the two limit blocks 14 are connected to the outer wall of the movable plate 12 on the same side via an elastic mechanism. The other end of each of the two prismatic rods 13 is fixedly mounted with a connecting plate 16. Multiple correction rollers 17 are rotatably mounted on the bottom walls of the two connecting plates 16.

[0023] The limiting mechanism includes a limiting rod 7 fixedly installed inside the movable frame 4, and the limiting rod 7 slides through the two movable blocks 8.

[0024] Furthermore, a high-precision sliding fit is adopted between the limit rod 7 and the moving block 8. Its surface has been finely polished and treated, and has a low coefficient of friction. This ensures that the moving block 8 slides smoothly on the limit rod 7, reducing resistance and wear caused by friction, thereby ensuring the stability and reliability of the entire correction device.

[0025] The elastic mechanism includes a spring 15 installed on the outer wall of the prism rod 13, with both ends of the spring 15 elastically connected to the outer wall of the moving plate 12 and the inner wall of the limiting block 14, respectively.

[0026] Furthermore, the spring 15 is made of high-quality elastic material with a suitable elastic coefficient. When the alignment roller 17 contacts the cardboard and applies a pushing force, the spring 15 can effectively absorb the impact force, preventing excessive squeezing and damage to the cardboard. Moreover, the spring 15 has good stability and can maintain its elastic performance during long-term use without elastic fatigue or failure, ensuring the long-term effective operation of the elastic mechanism.

[0027] Two support plates 18 are fixedly installed on the upper surface of the processing table 1, and electric actuators 19 are fixedly installed on the bottom walls of the two support plates 18.

[0028] Furthermore, the electric actuator 19 adopts advanced electric drive technology, featuring fast response speed and high control precision. It can quickly and accurately perform extension and retraction actions according to the instructions issued by the control system. The stroke and thrust of the electric actuator 19 can be precisely adjusted according to actual production needs, ensuring that the lower pressure plate 20 can provide appropriate pressure to cardboard of different thicknesses and materials, achieving a reliable fixing effect. In addition, the electric actuator 19 also has an overload protection function, which can automatically stop working when encountering excessive resistance to avoid equipment damage.

[0029] Both electric actuators 19 have a lower pressure plate 20 fixedly installed at their telescopic ends, and both lower pressure plates 20 have anti-slip pads 21 fixedly installed on their bottom walls.

[0030] Furthermore, the anti-slip pad 21 has good wear resistance and corrosion resistance, can adapt to long-term use and various working environments, is not easily damaged or aged, and ensures the stability and durability of the lower pressure plate 20 in fixing the cardboard.

[0031] When using this utility model, the cardboard can be placed on the upper surface of the processing table 1 and placed on the conveyor belt. The transport motor is started, which drives the conveyor roller to rotate, thereby driving the conveyor belt to transport the cardboard forward. During the transport process, two photoelectric sensors 3 installed on the mounting plate 2 on the upper surface of the processing table 1 monitor the position of the two sides of the cardboard in real time. Once the cardboard deviates, the photoelectric sensors 3 immediately transmit the detected signal to the control system, which starts the correction motor 6 installed on the outer wall of the moving frame 4. The correction motor 6 drives the bidirectional screw 5 to rotate. Under the limiting action of the limiting rod 7, the two moving blocks 8 move in a straight line along the bidirectional screw 5. Since the thread direction of the bidirectional screw 5 is opposite, the two moving blocks 8 will move towards or away from each other.

[0032] The moving block 8 drives the connecting plate 10 to rotate via the first connecting frame 9, which in turn moves the second connecting frame 11, pushing the moving plate 12 to slide on the outer wall of the second connecting frame 11. This causes the prismatic rod 13 to move. The limiting block 14 at one end of the prismatic rod 13, under the elastic action of the spring 15, can move with the prismatic rod 13 and also acts as a buffer to avoid a hard impact on the cardboard. As the prismatic rod 13 moves, the connecting plate 16 at its other end drives multiple straightening rollers 17 to move. The straightening rollers 17 contact the offset cardboard and apply pressure to the cardboard. Applying force to adjust it to the correct position, when the cardboard is corrected to the appropriate position and is about to enter the cutting process, the electric push rod 19 located on the upper surface of the processing table 1 is activated, pushing the lower pressure plate 20 to move downward. The anti-slip pad 21 on the bottom wall of the lower pressure plate 20 is in close contact with the cardboard, increasing the friction and fixing the cardboard firmly. This fixing operation can ensure that the cardboard will not be displaced due to external force during the cutting process, ensuring the accuracy of the cutting size. After the cutting is completed, the electric push rod 19 retracts, the lower pressure plate 20 rises, and the fixing of the cardboard is released.

[0033] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A paperboard cutting machine's deviation rectifying device comprising a processing table (1), characterized in that, Two conveyor rollers are rotatably mounted on the upper surface of the processing table (1) via a rotating groove. A transport motor connected to the rotating shaft of one of the conveyor rollers is fixedly mounted on the outer wall of the processing table (1). A conveyor belt is fitted on the outer wall of both conveyor rollers. Two photoelectric sensors (3) are fixedly mounted on the upper surface of the processing table (1) via a mounting plate (2). A bidirectional screw (5) is rotatably mounted on the bottom wall of the processing table (1) via a moving frame (4). A correction motor (6) connected to the bidirectional screw (5) is fixedly mounted on the outer wall of the moving frame (4). Two moving blocks (8) are threadedly mounted on the outer wall of the bidirectional screw (5) via a limiting mechanism. Both outer walls are rotatably mounted with connecting plates (10) via first connecting frames (9). The ends of the two connecting plates (10) on the same side are rotatably mounted with second connecting frames (11). The outer walls of the two second connecting frames (11) are slidably mounted with prismatic rods (13) via moving plates (12). One end of each of the two prismatic rods (13) is fixedly mounted with a limit block (14). The inner walls of the two limit blocks (14) are connected to the outer wall of the moving plate (12) on the same side via an elastic mechanism. The other end of each of the two prismatic rods (13) is fixedly mounted with a connecting plate (16). The bottom walls of the two connecting plates (16) are rotatably mounted with multiple correction rollers (17).

2. A paperboard slitter correction device according to claim 1, characterized in that The limiting mechanism includes a limiting rod (7) fixedly installed inside the movable frame (4), and the limiting rod (7) slides through the two movable blocks (8).

3. A paperboard slitter correction device according to claim 2, wherein, The elastic mechanism includes a spring (15) installed on the outer wall of the prism rod (13), and the two ends of the spring (15) are elastically connected to the outer wall of the moving plate (12) and the inner wall of the limiting block (14), respectively.

4. A paperboard slitting machine correction device according to claim 3, wherein, Two support plates (18) are fixedly installed on the upper surface of the processing table (1), and electric push rods (19) are fixedly installed on the bottom wall of both support plates (18).

5. A paperboard slitter correction device according to claim 4, wherein, Both of the electric actuators (19) have a lower pressure plate (20) fixedly installed at their telescopic ends, and both of the lower pressure plates (20) have an anti-slip pad (21) fixedly installed on their bottom walls.

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