Cutting device for automated printing

Abstract

The application provides a cutting device for automatic printing, and belongs to the technical field of printing and cutting. The device aims to solve the problem of uneven force on the cutting knife caused by surface debris during cutting of corrugated paper. The device comprises a workbench, a push plate and a crossbeam are arranged on the top of the workbench along the length direction at intervals, the push plate is driven to move by a driving device, and the crossbeam is supported above the workbench by a support. A telescopic device is installed on the crossbeam, and the bottom of the telescopic device is connected with a cutting knife arranged along the width direction of the workbench. A rotating roller with bristles is arranged between the push plate and the crossbeam above the workbench, the rotating roller is connected with a mounting bracket through a rotating shaft, and a transmission assembly is connected with the rotating shaft and the cutting knife. When the cutting knife moves upwards, the transmission assembly drives the rotating shaft to rotate counterclockwise, and the rotating roller rotates synchronously to clean the debris; when the cutting knife moves downwards, the rotating shaft does not rotate. The application realizes full-automatic linkage of corrugated paper feeding, cutting and debris cleaning, does not need manual intervention, greatly improves the efficiency, avoids knife jamming, and guarantees smoothness and size precision of the cut.

Description

Technical Field

[0001] This invention belongs to the field of printing and cutting technology, and specifically relates to an automated printing and cutting device. Background Technology

[0002] Printing is a technology that transfers text, images, and other information onto a substrate (such as paper or plastic) using printing equipment, enabling the mass reproduction and dissemination of information. It is widely used in packaging, publishing, and other fields, providing a foundation for product labeling and packaging decoration. In the packaging industry, corrugated paper, due to its excellent cushioning and support properties, is often used to make packaging boxes, display cases, and other products after printing. Furthermore, after printing, the corrugated paper needs to be cut and processed according to actual requirements to form specific sizes and shapes.

[0003] Currently, when cutting printed corrugated paper, cutting tools (such as utility knives, laser cutters, die-cutting machines, etc.) are usually used for direct cutting. However, before cutting, a large amount of debris easily remains on the surface of the corrugated paper. This debris may come from ink particles from the printing process, scraps from the edges of the paper cutting, or fibers that have detached from the corrugated paper itself during transportation and storage. Such debris can cause several problems: First, debris adheres to the cutting edge or cutting platform, resulting in poor contact between the blade and the corrugated paper during cutting, uneven force, and reduced cutting accuracy, causing defects such as uneven cuts and dimensional deviations. Summary of the Invention

[0004] In view of this, the present invention provides an automated printing cutting device to solve the problem in the prior art that when cutting corrugated paper, debris on the surface of the corrugated paper may cause the cutting tool to not make close contact with the corrugated paper and uneven force during cutting, thereby reducing the cutting accuracy and causing defects such as uneven cuts and dimensional deviations.

[0005] The technical solution adopted in this invention is as follows:

[0006] An automated printing cutting device includes a worktable. A push plate and a crossbeam are spaced apart along the length of the top of the worktable. The push plate is driven by a drive device to move along a direction close to the crossbeam. The crossbeam is supported above the worktable by a bracket and has a telescopic device. A cutting blade is located at the bottom of the telescopic device and is positioned along the width of the worktable. A rotating roller is also supported above the worktable by a mounting frame. The rotating roller is located between the push plate and the crossbeam and is rotatably connected to the mounting frame via a rotating shaft. The rotating roller has several bristles. A transmission assembly is also included, which drives the cutting blade to rotate the rotating shaft. When the cutting blade moves upward, the transmission assembly drives the rotating shaft to rotate counterclockwise; when the cutting blade moves downward, the rotating shaft does not rotate.

[0007] In this technical solution, it should be noted that the worktable, as the core load-bearing foundation of the device, is made of high-strength metal with a smooth surface. This not only provides a stable mounting reference for all components such as the pusher plate, crossbeam, and rollers, but also withstands the pressure during corrugated paper feeding and cutting, preventing deformation from affecting processing accuracy. The pusher plate, the corrugated paper pushing actuator, has an anti-slip rubber pad on its corrugated paper-facing side. It receives linear power through a drive device and moves smoothly along the length of the worktable towards the crossbeam, achieving continuous and directional feeding of the corrugated paper, replacing manual pushing and reducing human error. The drive device provides continuous and controllable power for the pusher plate's movement. The automated power system allows for precise control of feeding speed and distance by adjusting the motor speed. The crossbeam is rigidly connected to the worktable via two side supports, which employ a triangular support structure to enhance stability. The telescopic device serves as the power source for the cutting blade, controlling the piston rod's extension and retraction speed and thrust through air pressure regulation. This drives the cutting blade to perform a reciprocating motion of "downward cutting - upward reset," adapting to the cutting needs of corrugated paper of different thicknesses. The transmission component acts as the power transmission bridge between the cutting blade and the rotating shaft, possessing unidirectional transmission characteristics. Power is transmitted to the rotating shaft only when the cutting blade moves upward, driving the rotating roller to rotate. Power transmission is disconnected when the cutting blade moves downward, ensuring that the cutting process is undisturbed. Working principle: After the device is started, the drive unit first drives the push plate to push the corrugated paper to the designated position below the cutter. Then, the telescopic device drives the piston rod to extend, causing the cutter to move vertically downward to cut the corrugated paper. After cutting, the telescopic device drives the piston rod to retract, causing the cutter to move vertically upward. At this time, the transmission component converts the upward movement of the cutter into the rotational power of the rotating shaft, causing the rotating roller to rotate synchronously. The bristles on the surface of the rotating roller rotate counterclockwise with the rotating roller, cleaning the surface of the cut corrugated paper and the gaps between the corrugations. At the same time, the drive unit continues to drive the push plate to push the next section of corrugated paper to the cutting area. The feeding direction of the push plate is opposite to the rotation direction of the bristles (the push plate feeds to the right, and the bristles rotate counterclockwise), which can prevent the bristles from sweeping the debris to the cutting blade position and ensure the cutting area is clean. When the cutter moves down to cut again, the transmission component disconnects the power transmission in one direction, and the rotating roller remains stationary, without interfering with the cutting action, forming a cycle of "feeding-cutting-reset cleaning-refeeding". Results: This solution achieves fully automated linkage from feeding and cutting of corrugated paper to debris cleaning, without the need for manual intervention, which greatly improves processing efficiency. The debris cleaning is completed simultaneously with the upward movement of the cutting blade, which can effectively avoid uneven force on the cutting blade caused by debris adhering to the surface of the corrugated paper, and also prevent the blade jamming caused by debris being rolled into the gap between the cutting blade and the worktable, thus ensuring the flatness of the cut and dimensional accuracy.

[0008] Preferably, the telescopic device has a mounting plate at its bottom, the cutting blade is located at the bottom of the mounting plate, a limiting groove is provided through the bracket, and the mounting plate passes through the limiting groove; the transmission assembly includes a transmission belt, a gear, and a rack, the rack is connected to the mounting plate through a connecting frame, the rack is vertically arranged, the gear is connected to the bracket through a connecting shaft, and the gear is connected to the connecting shaft through a one-way rotation structure, the gear and the rack mesh with each other, and the transmission belt connects the connecting shaft and the rotating shaft.

[0009] In this technical solution, it should be noted that the mounting plate serves as the direct mounting carrier for the cutting blade, employing a metal plate structure and securely connected to the cutting blade via bolts. Limiting grooves are formed on the side supports, with the groove cross-section precisely matching the mounting plate cross-section, guiding and limiting the vertical movement of the mounting plate to prevent horizontal offset or wobbling during movement, thus ensuring the cutting blade always cuts vertically. The rack, moving vertically with the mounting plate, stably drives the gear to rotate. The gear is a spur gear made of wear-resistant alloy, which, after meshing with the rack, converts the rack's vertical linear motion into its own circular rotational motion. A unidirectional rotation structure is built into the gear and connecting shaft, controlling the direction of power transmission. Working Principle: When the telescopic device drives the mounting plate to move upward, the mounting plate drives the rack to move vertically upward synchronously through the connecting frame. The rack teeth push the gear to rotate clockwise. At this time, through the unidirectional rotation structure, the gear and the connecting shaft are rigidly connected. The rotational power of the gear is directly transmitted to the connecting shaft. The synchronous pulley at one end of the connecting shaft rotates with the connecting shaft, and drives the synchronous pulley on the rotating shaft to rotate synchronously through the synchronous belt, thereby causing the rotating roller and brush bristles to rotate, realizing debris cleaning. When the telescopic device drives the mounting plate to move downward, the mounting plate drives the rack to move vertically downward synchronously. The rack teeth pull the gear to rotate counterclockwise. At this time, the connecting shaft does not rotate with the gear, the synchronous belt has no power transmission, and the rotating shaft and the rotating roller remain stationary, ensuring that when the cutting blade moves downward to cut, the rotating roller will not cause the corrugated paper to shift due to rotation, avoiding cutting deviation. Effect: Through the precise cooperation of the rack, gear, and transmission belt, the precise timing linkage between the movement of the cutting blade and the rotation of the rotating roller is achieved, ensuring that the cleaning action only occurs when the cutting blade is reset, without interfering with the cutting process.

[0010] Preferably, the unidirectional rotation structure includes a unidirectional bearing, and the gear is connected to the connecting shaft through the unidirectional bearing.

[0011] In this technical solution, it should be noted that the core function of the one-way bearing is to achieve power transmission in a single direction, allowing the gear to drive the connecting shaft to rotate only in a specific direction, and disconnecting the power transmission when rotating in the opposite direction.

[0012] Preferably, the push plate has a groove on the side facing the crossbeam, the groove is arranged along the width direction of the worktable, a first screw is rotatably connected in the groove, the side wall of the first screw is provided with two opposite external threads at intervals, two sliders are also slidably embedded in the groove, the two sliders are respectively threaded to the first screw through two external threads, and clamps are fixedly connected to the two sliders respectively, the clamps are arranged along the length direction of the worktable.

[0013] In this technical solution, it should be noted that the slide groove is located on the end face of the push plate facing the crossbeam. The groove is a rectangular through groove that extends along the width of the worktable. The groove wall is polished to reduce the sliding resistance of the slider. The slide groove not only provides installation space for the first screw but also provides sliding guidance for the slider. The first screw has two sections of external threads with opposite directions (the left side is a right-hand thread and the right side is a left-hand thread) machined on its side wall. The pitch of the two threads is the same, ensuring that the two sliders can move synchronously in opposite directions. The slider is a rectangular metal block. The clamping plate is a long strip of metal plate arranged along the length of the worktable. A soft rubber pad is pasted on the side of the clamping plate facing the corrugated paper. The surface of the rubber pad is provided with anti-slip texture, which can not only enhance the friction between the clamping plate and the corrugated paper and prevent the corrugated paper from sliding but also avoid the edge of the corrugated paper being crushed and deformed due to the rigid clamping of the clamping plate. Working principle: Based on the width of the corrugated paper to be processed, the first screw is driven to rotate. Since the two sections of the first screw have opposite threads and the slider is threadedly engaged with the screw, when the screw rotates clockwise, the left slider moves to the right along the groove under the action of the right-hand thread, and the right slider moves to the left along the groove under the action of the left-hand thread. The two sliders drive the clamping plates to move closer together. When the screw rotates counterclockwise, the left slider moves to the left and the right slider moves to the right, and the two clamping plates move away from each other. The first screw stops rotating when the rubber pads on the two clamping plates are tightly against the two edges of the corrugated paper and the corrugated paper has no obvious deformation. The clamping and fixing of the corrugated paper is completed. During the feeding and cutting process of the corrugated paper driven by the push plate, the clamping plates always maintain the clamping state of the corrugated paper, restricting the lateral displacement of the corrugated paper.

[0014] Preferably, a support plate is provided on one side of the push plate, and the driving device includes a second screw, which is rotatably connected to the worktable and is driven by a motor.

[0015] In this technical solution, it should be noted that the two ends of the second screw of the drive device are connected to the bearing seats on both sides of the worktable via angular contact ball bearings. Working principle: When feeding is required, the PLC sends a control signal, the motor starts and rotates at a preset speed, and the motor output shaft drives the second screw to rotate synchronously. Since the support plate and the second screw are threaded together, the rotational motion of the second screw is converted into the linear motion of the support plate. The support plate drives the push plate to move along the length of the worktable towards the crossbeam. According to the required cutting length of the corrugated paper, the rotation angle of the motor is set by programming (e.g., if the cutting length is 300mm, the required number of rotations is calculated based on the pitch of the second screw). After the motor rotates to the preset angle, it automatically stops, and the push plate also stops moving, completing one precise feeding cycle.

[0016] Preferably, the telescopic device includes a cylinder, which is fixed on the crossbeam, and the piston rod of the cylinder is connected to the mounting plate.

[0017] In this technical solution, it should be noted that when cutting is required, the pneumatic system introduces compressed air into the rodless chamber of the cylinder, while the air in the rod chamber is discharged through a one-way throttle valve. The compressed air pushes the piston, causing the piston rod to extend. The piston rod, through the flange, causes the mounting plate to move vertically downwards. The cutting blade at the bottom of the mounting plate moves downwards simultaneously, contacting and applying pressure to the corrugated paper above the worktable. As the piston rod continues to extend, the cutting blade gradually cuts the face paper, core paper, and liner paper of the corrugated paper, completing the cutting action. After cutting, the pneumatic system switches the air path, introducing compressed air into the rod chamber of the cylinder, while the air in the rodless chamber is discharged. The piston then retracts the piston rod, and the mounting plate and cutting blade move vertically upwards simultaneously, resetting to their initial positions, ready for the next cut.

[0018] Preferably, the bottom of the crossbeam is provided with a telescopic member, the bottom of the telescopic member is provided with an abutment plate, the abutment plate is located below the mounting plate and is disposed opposite to the mounting plate, and the bottom of the abutment plate is provided with a scraper, which contacts the side wall of the cutting blade.

[0019] In this technical solution, it should be noted that when the cylinder drives the mounting plate to move downward, the bottom of the mounting plate first contacts the top of the abutment plate. As the mounting plate continues to move downward, it applies downward pressure to the abutment plate, pushing it to move downward synchronously. At this time, the telescopic component is stretched, and the abutment plate drives the scraper to move downward synchronously. The scraper blade always remains in contact with the side wall of the cutting blade. When the cutting is completed, when the cylinder drives the mounting plate to move upward, the pressure of the mounting plate on the abutment plate disappears, the spring in the telescopic component releases its elasticity, pulling the abutment plate upward to reset. The scraper moves upward synchronously with the abutment plate. When the spring returns to its natural length, the abutment plate stops moving, and the scraper also stops. At this time, the cylinder continues to drive the mounting plate to move upward, and the cutting blade and scraper undergo relative displacement. The scraper scrapes off the debris on the cutting blade. Effect: By setting up the telescopic component and scraper, the scraper and the cutting blade are dynamically aligned, ensuring that the scraper follows synchronously when the cutting blade moves down and completes the scraping of debris when it moves up. This thoroughly removes the debris attached to the side wall of the cutting blade, avoiding uneven cuts or increased cutting resistance caused by debris. The entire process is synchronized with the cutting action, without taking up extra processing time, thus ensuring the processing efficiency of the device.

[0020] Preferably, the telescopic component includes a fixed cylinder and a movable cylinder. The fixed cylinder is fixed to the bottom of the crossbeam, one end of the movable cylinder is slidably inserted into the fixed cylinder and connected to the inside of the fixed cylinder by a spring, and the other end of the movable cylinder is connected to the mounting plate.

[0021] In this technical solution, it should be noted that when the abutment plate is pushed downward by the mounting plate, the moving cylinder slides outward of the fixed cylinder under the action of the abutment plate. The top of the moving cylinder applies a downward pulling force to the spring, causing the spring to be stretched and generating an upward elastic pulling force. When the mounting plate moves upward and the abutment plate loses pressure, the elastic pulling force of the spring pulls the moving cylinder to slide inward of the fixed cylinder, and the moving cylinder drives the abutment plate to move upward and reset.

[0022] Preferably, a fan is provided on one side of the top of the workbench.

[0023] In this technical solution, it should be noted that after the fan is powered on and started, the motor drives the impeller to rotate. The impeller does work on the air, causing the air to generate negative pressure inside the fan. The external air enters the fan after being filtered by the dust filter and is then discharged through the air outlet, forming a directional airflow. When the scraper removes the debris from the cutting blade, the debris falls onto the surface of the workbench or is suspended in the air. The airflow generated by the fan blows the debris from the surface of the workbench to the outside of the workbench.

[0024] Preferably, the bottom of the workbench is provided with support legs.

[0025] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0026] 1. In this invention, the entire process of corrugated paper feeding, cutting and debris cleaning is fully automated without manual intervention, which greatly improves processing efficiency. The debris cleaning is completed simultaneously with the upward movement of the cutting blade, which can effectively avoid uneven force on the cutting blade caused by debris adhering to the surface of the corrugated paper, and also prevent the blade jamming caused by debris being rolled into the gap between the cutting blade and the worktable, thus ensuring the flatness of the cut and dimensional accuracy.

[0027] 2. In this invention, the precise coordination of rack, pinion, and transmission belt achieves accurate timing linkage between the movement of the cutting blade and the rotation of the roller, ensuring that the cleaning action is performed only when the cutting blade is reset, without interfering with the cutting process;

[0028] 3. In this invention, the scraper and the cutting blade are dynamically fitted by the telescopic component and the scraper, ensuring that the scraper follows synchronously when the cutting blade moves down and completes the scraping of debris when it moves up, thoroughly removing the debris attached to the side wall of the cutting blade, and avoiding uneven cuts or increased cutting resistance caused by debris; the whole process is carried out synchronously with the cutting action, without taking up extra processing time, and ensuring the processing efficiency of the device. Attached Figure Description

[0029] The present invention will be described by way of example and with reference to the accompanying drawings, wherein:

[0030] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0031] Figure 2 This is a three-dimensional structural diagram of the crossbeam and mounting bracket of the present invention;

[0032] Figure 3 This is a three-dimensional structural diagram of the mounting bracket and transmission assembly of the present invention;

[0033] Figure 4 This is a three-dimensional structural diagram of the cylinder and mounting plate of the present invention;

[0034] Figure 5 This is a cross-sectional perspective view of the telescopic component of the present invention.

[0035] Figure 6 This is a three-dimensional structural diagram of the push plate of the present invention;

[0036] Wherein: 100-Workbench, 101-Support leg, 200-Crossbeam, 201-Bracket, 300-Push plate, 301-Support plate, 303-Second screw, 304-Motor, 305-Slide groove, 306-First screw, 307-External thread, 308-Slider, 309-Clamping plate, 400-Cylinder, 401-Mounting plate, 402-Cut blade, 403-Abutting plate, 404-Scraper, 500-Mounting bracket, 501-Rotating shaft, 502-Connecting bracket, 503-Rack, 504-Transmission belt, 505-Connecting shaft, 506-One-way bearing, 507-Gear, 600-Telescopic component, 601-Fixed cylinder, 602-Spring, 603-Moving cylinder, 700-Fan. Detailed Implementation

[0037] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0038] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0039] It should be noted that, unless otherwise specified, the embodiments and features described in this invention can be combined with each other.

[0040] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0041] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0042] It should be noted that, unless otherwise specified, the embodiments and features described in this invention can be combined with each other.

[0043] Example

[0044] like Figures 1-6As shown in the figure, an automated printing cutting device is disclosed in this embodiment of the invention, including a worktable 100. A push plate 300 and a crossbeam 200 are spaced apart along the length of the top of the worktable 100. The push plate 300 is driven by a drive device to move along a direction close to the crossbeam 200. The crossbeam 200 is supported above the worktable 100 by a bracket 201. A telescopic device is provided on the crossbeam 200, and a cutting blade 402 is provided at the bottom of the telescopic device. The cutting blade 402 extends along the width of the worktable 100. The workbench 100 is also equipped with a rotating roller supported above it by a mounting frame 500. The rotating roller is located between the push plate 300 and the crossbeam 200. The rotating roller is rotatably connected to the mounting frame 500 via a rotating shaft 501. The rotating roller is provided with several bristles. The workbench 100 also includes a transmission assembly that drives the cutting blade 402 to the rotating shaft 501. When the cutting blade 402 moves upward, the transmission assembly drives the rotating shaft 501 to rotate counterclockwise. When the cutting blade 402 moves downward, the rotating shaft 501 does not rotate. It should be noted that the workbench 100, as the core load-bearing foundation of the device, is made of high-strength metal with a smooth surface. This not only provides a stable mounting reference for all components such as the pusher plate 300, crossbeam 200, and rotating rollers, but also withstands the pressure during corrugated paper feeding and cutting, preventing deformation from affecting processing accuracy. The pusher plate 300 is the corrugated paper pushing actuator. It has an anti-slip rubber pad on the side facing the corrugated paper and receives linear power from the drive device, moving smoothly along the length of the workbench 100 towards the crossbeam 200. This achieves continuous and directional feeding of the corrugated paper, replacing manual pushing and reducing human error. The drive device provides continuous and controllable automated power for the movement of the pusher plate 300, which can be adjusted... The speed of the motor 304 is precisely controlled to adjust the feeding speed and distance; the crossbeam 200 is rigidly connected to the worktable 100 through the two side supports 201, and the supports 201 adopt a triangular support structure to enhance stability; the telescopic device serves as the power source for the cutting blade 402, and the speed and thrust of the piston rod are controlled by air pressure regulation, driving the cutting blade 402 to perform a reciprocating motion of "moving down to cut - moving up to reset", which is suitable for the cutting needs of corrugated paper of different thicknesses; the transmission component is the power transmission bridge between the cutting blade 402 and the rotating shaft 501, and has a unidirectional transmission characteristic. It only transmits power to the rotating shaft 501 when the cutting blade 402 moves up, driving the rotating roller to rotate, and disconnects the power transmission when the cutting blade 402 moves down, ensuring that the cutting process is not disturbed.Working principle: After the device is started, the drive device first drives the push plate 300 to push the corrugated paper to the designated position below the cutter 402. Then, the telescopic device drives the piston rod to extend, causing the cutter 402 to move vertically downward to cut the corrugated paper. After cutting, the telescopic device drives the piston rod to retract, causing the cutter 402 to move vertically upward. At this time, the transmission component converts the upward movement of the cutter 402 into the rotational power of the rotating shaft 501, causing the rotating roller to rotate synchronously. The bristles on the surface of the rotating roller rotate counterclockwise with the rotating roller, brushing the surface of the cut corrugated paper. The gaps between the corrugated sheets are cleaned simultaneously. At the same time, the drive unit continues to push the pusher plate 300 to move the next section of corrugated paper towards the cutting area. The feeding direction of the pusher plate 300 is opposite to the rotation direction of the brush bristles (the pusher plate 300 feeds to the right, while the brush bristles rotate counterclockwise), which prevents the brush bristles from sweeping debris towards the cutting blade 402, ensuring a clean cutting area. When the cutting blade 402 moves down to cut again, the transmission component disconnects the power transmission in one direction, and the roller remains stationary, not interfering with the cutting action, forming a cyclic process of "feeding-cutting-reset cleaning-refeeding". Effect: This solution achieves fully automated linkage from feeding and cutting of corrugated paper to debris cleaning, requiring no manual intervention and significantly improving processing efficiency. The debris cleaning is completed synchronously with the upward movement of the cutting blade 402, effectively preventing uneven force on the cutting blade 402 caused by debris adhering to the corrugated paper surface, and also preventing blade jamming caused by debris getting caught in the gap between the cutting blade 402 and the worktable 100, ensuring cut smoothness and dimensional accuracy.

[0045] like Figure 4As shown, in this embodiment, the bottom of the telescopic device is provided with a mounting plate 401, the cutting blade 402 is provided at the bottom of the mounting plate 401, the bracket 201 is provided with a limiting groove, and the mounting plate 401 passes through the limiting groove; the transmission assembly includes a transmission belt 504, a gear 507 and a rack 503, the rack 503 is connected to the mounting plate 401 through a connecting frame 502, the rack 503 is vertically arranged, the gear 507 is connected to the bracket 201 through a connecting shaft 505, and the gear 507 is connected to the connecting shaft 505 through a one-way rotation structure, the gear 507 and the rack 503 mesh with each other, and the transmission belt 504 connects the connecting shaft 505 and the rotating shaft 501. It should be noted that the mounting plate 401 is the direct mounting carrier for the cutting blade 402, and adopts a metal plate structure, which is firmly connected to the cutting blade 402 by bolts. The limiting groove is opened on the two side brackets 201, and the groove cross-section is precisely matched with the cross-section of the mounting plate 401. It plays a guiding and limiting role in the up and down movement of the mounting plate 401, preventing the mounting plate 401 from horizontally shifting or shaking during the movement, thereby ensuring that the cutting blade 402 always cuts in the vertical direction. When the rack 503 moves vertically with the mounting plate 401, it can stably drive the gear 507 to rotate. The gear 507 is a spur gear 507 made of wear-resistant alloy. After meshing with the rack 503, it converts the vertical linear motion of the rack 503 into its own circumferential rotational motion. The unidirectional rotation structure is built between the gear 507 and the connecting shaft 505 to control the direction of power transmission. Working principle: When the telescopic device drives the mounting plate 401 to move upward, the mounting plate 401 drives the rack 503 to move vertically upward synchronously through the connecting frame 502. The tooth surface of the rack 503 pushes the gear 507 to rotate clockwise. At this time, through the unidirectional rotation structure, the gear 507 and the connecting shaft 505 are rigidly connected. The rotational power of the gear 507 is directly transmitted to the connecting shaft 505. The synchronous pulley at one end of the connecting shaft 505 rotates with the connecting shaft 505, driving the rotating shaft 501 upward through the synchronous belt. The synchronous belt pulley rotates synchronously, causing the rotating roller and brush bristles to rotate, thus cleaning up debris. When the telescopic device drives the mounting plate 401 to move downwards, the mounting plate 401 drives the rack 503 to move vertically downwards synchronously. The teeth of the rack 503 pull the gear 507 to rotate counterclockwise. At this time, the connecting shaft 505 does not rotate with the gear 507, the synchronous belt has no power transmission, and the rotating shaft 501 and the rotating roller remain stationary. This ensures that when the cutting blade 402 moves downwards to cut, the rotating roller will not cause the corrugated paper to shift due to rotation, avoiding cutting deviation. Effect: Through the precise cooperation of the rack 503, gear 507, and transmission belt 504, the precise timing linkage between the movement of the cutting blade 402 and the rotation of the rotating roller is achieved, ensuring that the cleaning action only occurs when the cutting blade 402 is reset, without interfering with the cutting process.

[0046] like Figure 3As shown, in this embodiment, the unidirectional rotation structure includes a unidirectional bearing 506, and the gear 507 is connected to the connecting shaft 505 through the unidirectional bearing 506. It should be noted that the core function of the unidirectional bearing 506 is to achieve power transmission in a single direction, allowing the gear 507 to drive the connecting shaft 505 to rotate only in a specific direction, and disconnecting the power transmission when rotating in the opposite direction.

[0047] like Figure 6 As shown, in this embodiment, the push plate 300 is provided with a slide groove 305 on the side facing the crossbeam 200. The slide groove 305 is arranged along the width direction of the worktable 100. A first screw 306 is rotatably connected in the slide groove 305. Two opposite external threads 307 are provided at intervals on the side wall of the first screw 306. Two sliders 308 are also slidably embedded in the slide groove 305. The two sliders 308 are respectively threaded to the first screw 306 through the two external threads 307. Clamping plates 309 are fixedly connected to the two sliders 308 respectively. The clamping plates 309 are arranged along the length direction of the worktable 100. It should be noted that the slide groove 305 is located on the end face of the push plate 300 facing the crossbeam 200. The groove is a rectangular through groove that extends along the width of the worktable 100. The groove wall is polished to reduce the sliding resistance of the slider 308. The slide groove 305 not only provides installation space for the first screw 306, but also provides sliding guidance for the slider 308. The first screw 306 has two external threads 307 with opposite directions (the left one is a right-hand thread and the right one is a left-hand thread) machined on its side wall. The pitch of the two threads is the same, ensuring that the two sliders 308 can move synchronously in opposite directions. The slider 308 is a rectangular metal block. The clamping plate 309 is a long strip of metal plate arranged along the length of the worktable 100. A soft rubber pad is pasted on the side of the clamping plate 309 facing the corrugated paper. The surface of the rubber pad is provided with anti-slip texture, which can enhance the friction between the clamping plate 309 and the corrugated paper, prevent the corrugated paper from sliding, and avoid the edge of the corrugated paper from being crushed and deformed due to the rigid clamping of the clamping plate 309. Working principle: Based on the width of the corrugated paper to be processed, the first screw 306 is driven to rotate. Since the two threads on the first screw 306 rotate in opposite directions, and the slider 308 is threadedly engaged with the screw, when the screw rotates clockwise, the left slider 308 moves to the right along the slide groove 305 under the action of the right-hand thread, and the right slider 308 moves to the left along the slide groove 305 under the action of the left-hand thread. The two sliders 308 drive the clamping plates 309 to move closer simultaneously. When the screw rotates counterclockwise, the left slider 308 moves to the left, and the right slider 308 moves to the right, and the two clamping plates 309 move away simultaneously. Until the rubber pads on the two clamping plates 309 are tightly attached to the two edges of the corrugated paper, and the corrugated paper has no obvious deformation, the rotation of the first screw 306 is stopped, and the clamping and fixing of the corrugated paper is completed. During the feeding and cutting process of the corrugated paper driven by the push plate 300, the clamping plates 309 always maintain the clamping state of the corrugated paper, limiting the lateral displacement of the corrugated paper.

[0048] like Figure 1 As shown, in this embodiment, a support plate 301 is provided on one side of the push plate 300, and the driving device includes a second screw 303, which is rotatably connected to the worktable 100. The second screw 303 is driven by a motor 304. It should be noted that the two ends of the second screw 303 of the driving device are connected to the bearing seats on both sides of the worktable 100 through angular contact ball bearings. Working principle: When feeding is required, the PLC sends a control signal, the motor 304 starts and rotates at a preset speed. The output shaft of the motor 304 drives the second screw 303 to rotate synchronously. Since the support plate 301 and the second screw 303 are connected by a thread, the rotational motion of the second screw 303 is converted into the linear motion of the support plate 301. The support plate 301 drives the push plate 300 to move along the length of the worktable 100 towards the crossbeam 200. According to the cutting length requirements of the corrugated paper, the rotation angle of the motor 304 is set by programming (e.g., if the cutting length is 300mm, the number of rotations required is calculated based on the pitch of the second screw 303). After the motor 304 rotates to the preset angle, it automatically stops, and the push plate 300 also stops moving, completing one precise feeding cycle.

[0049] like Figure 3 As shown, in this embodiment, the telescopic device includes a cylinder 400, which is fixed on the crossbeam 200. The piston rod of the cylinder 400 is connected to the mounting plate 401. It should be noted that when cutting is required, the pneumatic system introduces compressed air into the rodless chamber of the cylinder 400, while the air in the rod chamber is discharged through a one-way throttle valve. The compressed air pushes the piston, causing the piston rod to extend. The piston rod, through the flange, causes the mounting plate 401 to move vertically downwards. Simultaneously, the cutting blade 402 at the bottom of the mounting plate 401 moves downwards, contacting and applying pressure to the corrugated paper above the worktable 100. As the piston rod continues to extend, the cutting blade 402 gradually cuts the face paper, core paper, and liner paper of the corrugated paper, completing the cutting action. After cutting, the pneumatic system switches the air path, introducing compressed air into the rod chamber of the cylinder 400, while the air in the rodless chamber is discharged. The piston then retracts the piston rod, and the mounting plate 401 and the cutting blade 402 move vertically upwards simultaneously, returning to their initial positions, ready for the next cut.

[0050] like Figure 4 and Figure 5As shown, in this embodiment, the bottom of the crossbeam 200 is provided with a telescopic member 600, and the bottom of the telescopic member 600 is provided with an abutment plate 403. The abutment plate 403 is located below the mounting plate 401 and is disposed opposite to the mounting plate 401. The bottom of the abutment plate 403 is provided with a scraper 404, which contacts the side wall of the cutting blade 402. It should be noted that when the cylinder 400 drives the mounting plate 401 to move downward, the bottom of the mounting plate 401 first contacts the top of the abutment plate 403. As the mounting plate 401 continues to move downward, the mounting plate 401 applies downward pressure to the abutment plate 403, pushing the abutment plate 403 to move downward synchronously. At this time, the telescopic member 600 is stretched, and the abutment plate 403 drives the scraper 404 to move downward synchronously. The cutting edge of the scraper 404 always remains in contact with the side wall of the cutting blade 402. When the cutting is completed, the cylinder 400 drives the mounting plate 401 upward. When moving, the pressure of the mounting plate 401 on the abutment plate 403 disappears, the spring 602 in the telescopic member 600 releases its elastic force, pulling the abutment plate 403 upward to reset. The scraper 404 moves upward synchronously with the abutment plate 403. When the spring 602 returns to its natural length, the abutment plate 403 stops moving, and the scraper 404 also stops. At this time, the cylinder 400 continues to drive the mounting plate 401 upward, and the cutting blade 402 and the scraper 404 undergo relative displacement. The scraper 404 scrapes off the debris on the cutting blade 402. Effect: By setting up the telescopic component 600 and the scraper 404, the scraper 404 and the cutting blade 402 are dynamically aligned, ensuring that the scraper 404 moves synchronously when the cutting blade 402 moves down and completes the scraping of debris when it moves up, thoroughly removing the debris attached to the side wall of the cutting blade 402, and avoiding uneven cuts or increased cutting resistance caused by debris; the whole process is synchronized with the cutting action, without taking up extra processing time, ensuring the processing efficiency of the device.

[0051] like Figure 5 As shown, in this embodiment, the telescopic member 600 includes a fixed cylinder 601 and a movable cylinder 603. The fixed cylinder 601 is fixed to the bottom of the crossbeam 200. One end of the movable cylinder 603 is slidably inserted into the fixed cylinder 601 and connected to the interior of the fixed cylinder 601 via a spring 602. The other end of the movable cylinder 603 is connected to the mounting plate 401. It should be noted that when the abutment plate 403 is pushed downward by the mounting plate 401, the movable cylinder 603 slides outward from the fixed cylinder 601 under the action of the abutment plate 403. The top of the movable cylinder 603 applies a downward pulling force to the spring 602, causing the spring 602 to be stretched and generate an upward elastic pulling force. When the mounting plate 401 moves upward and the abutment plate 403 loses pressure, the elastic pulling force of the spring 602 pulls the movable cylinder 603 to slide inward from the fixed cylinder 601, and the movable cylinder 603 drives the abutment plate 403 to move upward and reset.

[0052] like Figure 2As shown, in this embodiment, a fan 700 is provided on one side of the top of the workbench 100. It should be noted that after the fan 700 is powered on and started, the motor 304 drives the impeller to rotate. The impeller does work on the air, causing the air to generate negative pressure inside the fan 700. The external air enters the fan 700 after being filtered by the dust filter, and is then discharged through the air outlet, forming a directional airflow. When the scraper 404 scrapes off the debris on the cutting blade 402, the debris falls onto the surface of the workbench 100 or is suspended in the air. The airflow generated by the fan 700 blows the debris on the surface of the workbench 100 to the outside of the workbench 100.

[0053] like Figure 1 As shown, in this embodiment, the bottom of the workbench 100 is provided with a support leg 101.

[0054] The working principle of this invention is as follows:

[0055] Before the device is started, the first screw 306 on the push plate 300 is rotated according to the width of the corrugated paper, so that the two clamping plates 309 approach and clamp the corrugated paper synchronously to prevent subsequent movement and deviation.

[0056] After the device is started, it first enters the feeding stage: the motor 304 of the drive device drives the second screw 303 to rotate, and the push plate 300 moves along the worktable 100 to the side of the crossbeam 200 with the support plate 301. After accurately pushing the corrugated paper to the designated position below the cutting blade 402, the motor 304 stops and the push plate 300 stops moving.

[0057] Next, the cutting process begins: the cylinder 400 on the crossbeam 200 extends, causing the mounting plate 401 to move down along the limiting groove of the bracket 201. The cutting blade 402 moves down synchronously with the mounting plate 401, cutting the corrugated paper. During this process, the rack 503 moves down with the mounting plate 401, causing the gear 507 to rotate. However, due to the unidirectional transmission, the connecting shaft 505 does not rotate, and the rotating roller remains stationary, not interfering with the cutting.

[0058] After cutting, the reset and cleaning linkage begins: cylinder 400 shortens, causing mounting plate 401 and cutting blade 402 to move upwards and reset; at this time, rack 503 moves upwards with mounting plate 401, causing gear 507 to rotate, one-way bearing 506 switches to locked state, connecting shaft 505 drives roller to rotate counterclockwise through transmission belt 504, and brushes clean debris from the surface of corrugated paper; at the same time, push plate 300 feeds material again, and the feeding direction is opposite to the brush rotation direction to prevent debris from falling into the cutting area.

[0059] Throughout the process, the scraper 404 simultaneously cleans the cutting blade 402: when the mounting plate 401 moves downward, it pushes the abutment plate 403 and the scraper 404 downward, always keeping them in contact with the cutting blade 402; when the mounting plate 401 moves upward, the spring 602 inside the telescopic component 600 drives the scraper 404 to return to its original position. When the spring 602 is in its natural state, and the mounting plate 401 continues to move upward, the cutting blade 402 and the scraper 404 generate relative displacement, scraping off debris from the blade side. At the same time, the fan 700 on one side of the worktable 100 starts, blowing all debris away from the worktable 100 and keeping the area clean.

[0060] The circuits, electronic components, and modules involved are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The scope of protection of this invention does not involve any improvement to the software and methods.

[0061] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0062] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An automated printing cutting device, characterized in that, Includes a workbench (100), the top of which is provided with a push plate (300) and a crossbeam (200) spaced apart along its length, the push plate (300) being driven by a drive device to move in a direction close to the crossbeam (200); The crossbeam (200) is supported above the workbench (100) by a bracket (201). The crossbeam (200) is equipped with a telescopic device, and a cutting blade (402) is provided at the bottom of the telescopic device. The cutting blade (402) is arranged along the width direction of the workbench (100). Above the workbench (100), a rotating roller is also supported by a mounting frame (500). The rotating roller is located between the push plate (300) and the crossbeam (200). The rotating roller is rotatably connected to the mounting frame (500) via a rotating shaft (501). The rotating roller is provided with several bristles. It also includes a transmission assembly that drives the cutting blade (402) to the rotating shaft (501). When the cutting blade (402) moves upward, the transmission assembly drives the rotating shaft (501) to rotate counterclockwise. When the cutting blade (402) moves downward, the rotating shaft (501) does not rotate. The bottom of the telescopic device is provided with a mounting plate (401), the cutting blade (402) is provided at the bottom of the mounting plate (401), the bracket (201) is provided with a limiting groove, and the mounting plate (401) passes through the limiting groove; The transmission assembly includes a transmission belt (504), a gear (507), and a rack (503). The rack (503) is connected to the mounting plate (401) via a connecting frame (502). The rack (503) is vertically arranged. The gear (507) is connected to the bracket (201) via a connecting shaft (505). The gear (507) is connected to the connecting shaft (505) via a one-way rotation structure. The gear (507) and the rack (503) mesh with each other. The transmission belt (504) connects the connecting shaft (505) and the rotating shaft (501). The unidirectional rotation structure includes a unidirectional bearing (506), and the gear (507) is connected to the connecting shaft (505) through the unidirectional bearing (506).

2. The automated printing cutting device according to claim 1, characterized in that, The push plate (300) has a groove (305) on the side facing the crossbeam (200). The groove (305) is arranged along the width direction of the worktable (100). A first screw (306) is rotatably connected in the groove (305). Two opposite external threads (307) are spaced apart on the side wall of the first screw (306). Two sliders (308) are also slidably embedded in the groove (305). The two sliders (308) are threaded to the first screw (306) through the two external threads (307). Clamping plates (309) are fixedly connected to the two sliders (308). The clamping plates (309) are arranged along the length direction of the worktable (100).

3. The automated printing cutting device according to claim 1, characterized in that, The push plate (300) is provided with a support plate (301) on one side. The driving device includes a second screw (303), which is rotatably connected to the worktable (100). The second screw (303) is driven by a motor (304).

4. The automated printing cutting device according to claim 1, characterized in that, The telescopic device includes a cylinder (400) fixed on a crossbeam (200), and the piston rod of the cylinder (400) is connected to a mounting plate (401).

5. The automated printing cutting device according to claim 1, characterized in that, The bottom of the crossbeam (200) is provided with a telescopic member (600), and the bottom of the telescopic member (600) is provided with an abutment plate (403). The abutment plate (403) is located below the mounting plate (401) and is opposite to the mounting plate (401). The bottom of the abutment plate (403) is provided with a scraper (404), and the scraper (404) contacts the side wall of the cutting blade (402).

6. The automated printing cutting device according to claim 5, characterized in that, The telescopic component (600) includes a fixed cylinder (601) and a movable cylinder (603). The fixed cylinder (601) is fixed to the bottom of the crossbeam (200). One end of the movable cylinder (603) is slidably inserted into the fixed cylinder (601) and connected to the inside of the fixed cylinder (601) by a spring (602). The other end of the movable cylinder (603) is connected to the mounting plate (401).

7. The automated printing cutting device according to claim 6, characterized in that, A fan (700) is provided on one side of the top of the workbench (100).

8. The automated printing cutting device according to claim 1, characterized in that, The bottom of the workbench (100) is provided with support legs (101).

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