A paperboard receiving device of a die cutting machine and a control system thereof

Abstract

The application discloses a paperboard receiving device of a die-cutting machine and a control system thereof, relates to the technical field of die-cutting machines, and aims to solve the problems of paperboard ejection and receiving of the die-cuting machine.The technical scheme is as follows: a rack is fixedly provided with sliding rails; a transmission mechanism is arranged on the rack and slides along the sliding rails; a carrier is independent of the rack; a rotating frame is rotatably arranged on the carrier and rotates the stacked paperboard as a whole; and a pushing mechanism is slidably arranged on the rack.The paperboard receiving device of the die-cutting machine and the control system thereof can transmit the paperboard after die-cutting, count the specified number, and push and arrange during the stacking process, so that the paperboard can be stacked according to the corresponding number requirement without interruption in the previous transmission process, and the stacked paperboard can be directly transported by the subsequent equipment or directly packaged and the like.

Description

Technical Field

[0001] This invention relates to the field of die-cutting machine technology, and more specifically, to a cardboard receiving device for a die-cutting machine and its control system. Background Technology

[0002] A die-cutting machine is a piece of equipment used to process cardboard, which is used to cut cardboard to a specified edge.

[0003] Most existing die-cutting machines, after cutting the cardboard, usually directly spit out the cut cardboard and waste. The cardboard is then transported by some conveying device, but it is usually transported in a single sheet or in continuous stacks. This transport process is not convenient for subsequent counting, and therefore not convenient for some subsequent packaging processes.

[0004] Therefore, a new solution is needed to supplement the existing die-cutting machine category. Summary of the Invention

[0005] In view of the shortcomings of the existing technology, the purpose of this invention is to provide a cardboard receiving device for a die-cutting machine.

[0006] The above-mentioned technical objective of the present invention is achieved through the following technical solution: a cardboard receiving device for a die-cutting machine, comprising:

[0007] The frame is equipped with slide rails.

[0008] A conveying mechanism, mounted on the frame and sliding along the slide rail, is used to receive and convey cardboard.

[0009] The platform is independent of the frame, and a rotating frame is rotatably mounted on the platform to rotate the stacked cardboard as a whole.

[0010] A pushing mechanism, slidably mounted on the frame, is used to move the cardboard on the conveying mechanism to the next processing step;

[0011] The pushing mechanism includes a slider, two push rods, a contact member, a control board, a counterweight, an acceleration sensor, and a driving component.

[0012] The slider is slidably mounted on the slide rail. Both push rods are rotatably mounted on the slider and rotate coaxially. Multiple abutment members are provided and fixedly mounted on the slider, abutting the end of the push rod away from the rotating frame and restricting the rotation of the rotating frame. The control board is mounted on the frame. The counterweight is fixedly mounted on the push rod, and the weight of the counterweight is greater than the end of the push rod near the rotating frame. The acceleration sensor is mounted on the push rod to detect the lifting action of the push rod. The drive member drives the slider to move on the slide rail.

[0013] The control board is electrically connected to the accelerometer and the drive unit, and is configured to identify a single cardboard sheet based on the signal detected by the accelerometer and control the drive unit to make the slider reciprocate so as to push the cardboard sheet to the rotating frame in an inclined position through two push rods in a synchronized manner.

[0014] The platform is also equipped with an electric cylinder that is rotatably connected to the platform and the rotating frame respectively. The control board is also electrically connected to the electric cylinder and is configured to control the electric cylinder to drive the rotating frame to rotate when the cardboard on the rotating frame reaches a preset number, so that the cardboard in the inclined position can be turned into a vertical stacked position for output.

[0015] The rotating frame includes multiple inclined L-shaped frames with bayonets and connecting rods. The connecting rods fix the L-shaped frames together. The push rod can enter the area between adjacent L-shaped frames. The frame is rotatably equipped with lifting rods and abutment plates that are fixedly connected to each other. The slider is fixedly equipped with two push rods. The two push rods can abut against the lifting rods and cause the lifting rods to elastically deform. The abutment plates abut against the frame and also elastically deform when the push rods abut against the lifting rods.

[0016] The present invention is further configured such that: the transmission mechanism includes a plurality of transmission wheels and a transmission belt that drive each other; the transmission belt is disposed on both sides of the pushing mechanism; a transmission shaft is fixedly disposed between two transmission wheels with the same axis; at least one of the transmission shafts is driven by a transmission motor; at least one distance sensor group is disposed on the frame in the slide rail area; and the distance sensor group and the transmission motor are electrically connected to the control board.

[0017] The present invention is further configured such that: when the abutting piece is in the normal state, the highest point of the lifting rod is higher than the highest point of the conveyor belt; when the slider moves to the area close to the L-shaped frame, the push rod two maintains an abutting state against the lifting rod.

[0018] The present invention is further configured such that: the driving component is a stepper motor and a gear; the stepper motor is fixedly disposed inside the slider; the gear is fixedly disposed at the output end of the stepper motor; the slide rail area of ​​the frame is provided with a rack that meshes with the gear; the stepper motor is controlled by a control board; and a plurality of pulleys that abut against the slide rail are also rotatably disposed on the slider.

[0019] The invention is further configured such that: at least two sets of transmission wheels are provided on the platform, and the pushing mechanism is controlled by a control board and forms an interpenetration with the rotating frame.

[0020] The present invention is further configured such that the transmission motor is provided with a low speed gear and a high speed gear, and the switching is formed by a control board.

[0021] The present invention is further configured to include a control system for a cardboard receiving device of a die-cutting machine, wherein the control method of the control system includes the following steps:

[0022] S1: The control board drives the stepper motor to move the slider to the area close to the L-shaped frame and complete the reset. The user can start the automatic counting by inputting the number of times each batch needs to be counted in the control board.

[0023] S2: The control board starts the drive motor, making the drive motor run at high speed and maintaining the uniform speed of the drive wheel;

[0024] S3: The control board controls stepper motor one to move the slider away from the L-shaped frame. At the same time, the acceleration sensor senses the sudden lifting and collision of push rod one, and returns a signal to the control board in real time when the corresponding parameters are present. The control board then controls the slider to move towards the L-shaped frame and counts once.

[0025] S4: The control board compares the counting result. If it is less than the preset number, continue to step S3; if it is greater than the preset number, proceed to the next step.

[0026] S5: The control panel controls the drive motor to switch to low speed for the connection between the front and rear of the cardboard collection. The control panel controls the slider and push rod to temporarily leave the L-shaped shelf area.

[0027] S6: The control board drives the electric cylinder to extend fully, then controls the transmission wheel drive, and after 10 seconds of controlling the transmission wheel drive, controls the electric cylinder to retract fully and switches the transmission motor to high speed, then continues with step S3.

[0028] S7: The control board reads the distance sensor group data. When the distance sensor group data shows a large number of data points that are infinitely far away for a long time, the control board stops the drive motor.

[0029] In summary, the present invention has the following beneficial effects: This cardboard receiving device can transport, count a specified number of cardboard after die-cutting, and push and organize the cardboard during the stacking process, so that the cardboard can be stacked according to the corresponding quantity requirements without interruption of the preceding transport process, making it easy for subsequent equipment to directly transport the stacked cardboard or directly pack it. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of a cardboard receiving device for a die-cutting machine provided by the present invention;

[0031] Figure 2 This is a structural schematic diagram of the stage section;

[0032] Figure 3This is a schematic diagram of the slider section.

[0033] In the diagram: 1. Frame; 2. Slide rail; 4. Platform; 6. Rotating frame; 7. Slider; 8. Push rod one; 9. Abutment piece; 11. Control panel; 12. Counterweight; 13. Transmission wheel; 14. Conveyor belt; 15. Transmission shaft; 16. Transmission motor; 17. Distance sensor group; 18. L-shaped frame; 19. Connecting rod; 20. Lifting rod; 21. Abutment piece; 22. Push rod two; 23. Stepper motor one; 24. Gear one; 25. Rack one; 29. ​​Electric cylinder; 30. Transmission wheel. Detailed Implementation

[0034] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0035] A cardboard receiving device for a die-cutting machine, such as Figures 1-3 As shown, it includes:

[0036] A frame 1, on which a slide rail 2 is fixedly mounted;

[0037] The conveying mechanism is mounted on the frame 1 and slides along the slide rail 2 to receive and convey cardboard.

[0038] The platform 4 is independent of the frame 1, and a rotating frame 6 is rotatably mounted on the platform 4 to rotate the stacked cardboard as a whole.

[0039] The pushing mechanism is slidably mounted on the frame 1 and is used to move the cardboard on the conveying mechanism to the next processing step;

[0040] The pushing mechanism includes a slider 7, two push rods 8, abutment 9, control board 11, counterweight 12, acceleration sensor, and driving component;

[0041] The slider 7 is slidably mounted on the slide rail 2. Both push rods 8 are rotatably mounted on the slider 7 and rotate coaxially. Multiple abutment parts 9 are provided and fixedly mounted on the slider 7, and abut against the end of the push rod 8 away from the rotating frame 6 to restrict the rotation of the rotating frame 6. The control board 11 is mounted on the frame 1. The counterweight 12 is fixedly mounted on the push rod 8. The weight of the counterweight 12 is greater than the end of the push rod 8 near the rotating frame. The acceleration sensor is mounted on the push rod 8 to detect the lifting action of the push rod 8. The driving component drives the slider 7 to move on the slide rail 2.

[0042] The control board 11 is electrically connected to the accelerometer and the drive unit, and is configured to identify a single cardboard sheet based on the signal detected by the accelerometer and control the drive unit to make the slider 7 reciprocate so as to push the cardboard sheet to the rotating frame 6 in an inclined position through the two push rods 8.

[0043] The platform 4 is also equipped with an electric cylinder 29 that is rotatably connected to the platform 4 and the rotating frame 6 respectively. The control board 11 is also electrically connected to the electric cylinder 29 and is configured to control the electric cylinder 29 to drive the rotating frame 6 to rotate when the cardboard stack on the rotating frame 6 reaches a preset number, so that the cardboard in the inclined position can be turned into a vertical stack for output.

[0044] In this configuration, the pushing mechanism is created by the sliding motion of slider 7 on the slide rail 2 of frame 1, which in turn drives the two push rods 8 to move synchronously. The weight of counterweight 12 needs to be slightly greater than that of push rod 8 so that counterweight 12 can rotate in the direction of gravity under normal conditions. This allows push rod 8 to extend beyond the transmission mechanism. When slider 7 moves towards rotating frame 6, push rod 8 pushes the cardboard. When slider 7 moves away from rotating frame 6, push rod 8 retracts into the area within the transmission mechanism due to the contact of the cardboard, creating a unidirectional pushing effect on the cardboard. An acceleration sensor is used to dynamically monitor push rod 8. After push rod 8 passes a piece of cardboard, it rotates under the influence of the gravity of counterweight 12 and the thickness of the cardboard, thus rotating... The system monitors the movement of individual cardboard sheets as they pass over the rotating frame 6, and the continuous transmission of the conveyor mechanism ensures that only one cardboard sheet is pushed at a time. The real-time monitoring by the acceleration sensor and the movement of the slider 7 are both analyzed and driven by the control board 11. This pushing process pushes the cardboard sheet towards the rotating frame 6, and as more cardboard sheets are pushed, they gradually lean against the rotating frame 6 in an inclined state. When the number of pushes reaches a specified value, the rotating frame 6 on the platform 4 can collect the cardboard sheets in batches, thus forming a small-batch transfer of cardboard sheets. After several cardboard sheets are collected according to a specified number, the electric cylinder 29 pushes the rotating frame 6, changing the posture from the original inclined state to a stacked state, which facilitates subsequent processing or packaging steps.

[0045] The driving components are a stepper motor 23 and a gear 24. The stepper motor 23 is fixedly installed inside the slider 7, and the gear 24 is fixedly installed at the output end of the stepper motor 23. The slide rail 2 area of ​​the frame 1 is provided with a rack 25 that meshes with the gear 24. The stepper motor 23 is controlled by the control board 11. Several pulleys that abut against the slide rail 2 are also rotatably installed on the slider 7. The control of the rack 25 by the stepper motor 23 and the gear 24 can more accurately control the position of the slider 7. In addition, the cooperation between the control board 11 and the acceleration sensor reduces the unnecessary slippage caused by inertia. The pulleys are used to reduce the friction between the slider 7 and the frame 1 and the slide rail 2, so that the displacement of the slider 7 is smoother.

[0046] The transmission mechanism includes several transmission wheels 13 and a transmission belt 14 that drive each other. The transmission belt 14 is located on both sides of the pushing mechanism. A transmission shaft 15 is fixedly arranged between two transmission wheels 13 with the same axis. At least one transmission shaft 15 is driven by a transmission motor 16. At least one distance sensor group 17 is arranged on the frame 1 in the area of ​​the slide rail 2. The distance sensor group 17 and the transmission motor 16 are electrically connected to the control board 11. The transmission belt 14 realizes the receiving and transfer of cardboard, and the transmission wheels 13 realize the driving of the transmission belt 14. This process is realized by the transmission motor 16. The arrangement of the distance sensor group 17 forms the monitoring of the cardboard. The transmission mechanism as a whole controls the transmission speed of the transmission motor 16 through the distance sensor group 17 so that the received cardboard can be continuously stacked. The design ensures that adjacent cardboard pieces cannot completely cover each other, allowing the pushing mechanism to count and collect individual cardboard pieces at a time. The drive motor 16 has low-speed and high-speed settings, which are switched by the control board 11. The low-speed and high-speed settings of the drive motor 16 are used to control the speed of the conveyor belt 14 in conveying the cardboard. When the slider 7 pushes the cardboard piece by the push rod 8, the drive motor 16 is set to high-speed mode, which shortens the displacement distance of the slider 7 and speeds up the progress of the cardboard piece. When the rotating frame 6 moves the cardboard piece, the drive motor 16 is set to low-speed mode. While slowing down the progress of the cardboard piece, the conveyor belt 14 can keep the cardboard piece in a stacked state that is easy to push by the push rod 8, achieving the effect of temporarily compressing the progress of the conveying.

[0047] The rotating frame 6 includes multiple inclined L-shaped frames 18 with latches and connecting rods 19. The connecting rods 19 fix the L-shaped frames 18 together. Push rod 18 can enter the area between adjacent L-shaped frames 18. The inclined L-shaped frames 18 are used for temporary tilting of cardboard after being pushed. The latches are designed to prevent the cardboard from slipping in the inclined state. When pushing the cardboard, push rod 18 moves to the area completely passing through the latches to prevent the cardboard from slipping out of the latches when stacked in the L-shaped frames 18. The frame 1 is rotatably equipped with lifting rods 20 and abutment plates 21 that are fixedly connected to each other. The slider 7 is fixedly equipped with two push rods 22. The two push rods 22 can abut against the lifting rods 20 and lift them. The rod 20 undergoes elastic deformation, the abutting piece 21 abuts against the frame 1, and the push rod 22 also undergoes elastic deformation when it abuts against the lifting rod 20. When the abutting piece 21 is in the normal state, the highest point of the lifting rod 20 is higher than the highest point of the conveyor belt 14. When the slider 7 moves to the area close to the L-shaped frame 18, the push rod 22 maintains the abutting state against the lifting rod 20. When the lifting rod 20 extends out of the area of ​​the conveyor belt 14, it can push the side of the cardboard close to the L-shaped frame 18, so that the cardboard is lifted, thereby changing the cardboard from a flat state to an inclined state, so that the cardboard can directly contact the previous cardboard, and change the inclination angle during the movement, forming a temporary placement in an inclined manner like the previous cardboard.

[0048] The platform 4 is equipped with at least two sets of transmission wheels 30. The pushing mechanism is controlled by the control panel 11 and forms a connection with the rotating frame 6. Under the control of the control panel 11, the rotating frame 6 enters the area of ​​the transmission wheels 30 during the pushing process of the electric cylinder 29, so that the stacked cardboard is changed to be supported by the transmission wheels 30. After the transmission wheels 30 receive the stacked cardboard, they start to rotate and carry away the cardboard so that the cardboard can be separated from the rotating frame 6. The retraction of the electric cylinder 29 causes the rotating frame 6 to return to its original position.

[0049] The control method of the control system for the cardboard receiving device of the die-cutting machine in this embodiment includes the following steps:

[0050] S1: The control board 11 controls the stepper motor 23 to drive the slider 7 to move to the area close to the L-shaped frame 18 and complete the reset. The user can start the automatic counting by inputting the number of times each batch needs to be counted in the control board 11.

[0051] S2: Control board 11 starts drive motor 16, making drive motor 16 run at high speed and maintaining the uniform speed of drive wheel 13.

[0052] S3: The control board 11 controls the stepper motor 23 to move the slider 7 away from the L-shaped frame 18. At the same time, the acceleration sensor senses the sudden lifting and collision of the push rod 8. When the corresponding parameters appear, the control board 11 sends a real-time signal back to the control board 11. The control board 11 then controls the slider 7 to move towards the L-shaped frame 18 and counts once.

[0053] S4: The control board 11 compares the counting result. If it is less than the preset number, continue to step S3; if it is greater than the preset number, proceed to the next step.

[0054] S5: Control board 11 controls drive motor 16 to switch to low speed for cardboard collection. Control board 11 controls slider 7 and push rod 8 to temporarily leave the L-shaped frame 18 area.

[0055] S6: The control board 11 drives the electric cylinder 29 to extend fully, then controls the transmission wheel 30 to drive, and after 10 seconds of controlling the transmission wheel 30 to drive, controls the electric cylinder 29 to retract fully, and switches the transmission motor 16 to high speed, and then continues to step S3.

[0056] S7: Control board 11 reads data from distance sensor group 17. When the distance sensor group 17 shows a large number of data that are infinitely far away for a long time, control drive motor 16 to stop.

[0057] Working principle: This device is started by the user operating the control board 11. After startup, the control board 11 controls the stepper motor 23 to move the slider 7 to the L-shaped frame 18 area, thus completing the initial state setting. After the user inputs the value for the stack transfer of each batch of cardboard, the conveyor belt 14 can be set to high speed to receive the cardboard in the previous transfer process. As the cardboard is transferred towards the L-shaped frame 18, the slider 7 moves away from the L-shaped frame 18. When the push rod 8 on the slider 7 contacts the cardboard, it presses down, and when it brushes past the cardboard, it lifts up. At this time, the lifting process triggers the signal feedback rule of the acceleration sensor, and then the control board 11 controls the slider 7 to move in the opposite direction, quickly moving the cardboard towards the L-shaped frame 18. When the cardboard is pushed, the forward part contacts the lifting rod 20 and rises. The part of the cardboard that contacts the push rod 8 does not contact the cardboard because the push rod 22 abuts against the lifting rod 20. The cardboard is then pushed into the L-shaped frame 18 area in an inclined state. The slider 7 then pushes the cardboard again. After the slider 7 has made a predetermined number of reciprocating motions, the control board 11 controls the conveyor belt 14 to decelerate and the electric cylinder 29 to push the rotating frame 6 to rotate, causing the cardboard on the rotating frame 6 to flip over and change to a stacked state, and switch to be received by the transmission wheel 30. The flipped cardboard is carried away by the transmission wheel 30.

[0058] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0059] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A cardboard receiving device for a die-cutting machine, characterized in that, include: A frame (1) is fixedly mounted with a slide rail (2); The transmission mechanism is mounted on the frame (1) and slides along the slide rail (2) for receiving and transmitting cardboard. The platform (4) is independent of the frame (1), and a rotating frame (6) is rotatably provided on the platform (4) to rotate the stacked cardboard as a whole. A pushing mechanism is slidably mounted on the frame (1) for moving the cardboard on the conveying mechanism to the next processing step; The pushing mechanism includes a slider (7), two push rods (8), abutment (9), control board (11), counterweight (12), acceleration sensor and driving component; The slider (7) is slidably mounted on the slide rail (2). Both push rods (8) are rotatably mounted on the slider (7) and rotate coaxially. Multiple abutment members (9) are provided and fixedly mounted on the slider (7), and abut against the end of the push rod (8) away from the rotating frame (6) to restrict the rotation of the rotating frame (6). The control board (11) is mounted on the frame (1). The counterweight (12) is fixedly mounted on the push rod (8). The weight of the counterweight (12) is greater than the end of the push rod (8) near the rotating frame (6). The acceleration sensor is mounted on the push rod (8) to detect the lifting action of the push rod (8). The driving member drives the slider (7) to move on the slide rail (2). The control board (11) is electrically connected to the acceleration sensor and the drive unit, and is configured to identify a single cardboard according to the signal detected by the acceleration sensor, and control the drive unit to make the slider (7) reciprocate so as to push the cardboard to the rotating frame (6) in an inclined position through two push rods (8); The platform (4) is also provided with an electric cylinder (29) that is rotatably connected to the platform (4) and the rotating frame (6). The control board (11) is also electrically connected to the electric cylinder (29) and configured to control the electric cylinder (29) to drive the rotating frame (6) to rotate when the cardboard stack on the rotating frame (6) reaches a preset number, so that the cardboard in the inclined position is turned into a vertical stacked position for output. The rotating frame (6) includes multiple inclined L-shaped frames (18) with bayonets and connecting rods (19). The connecting rods (19) fix the L-shaped frames (18) together. The push rod (8) can enter the area between adjacent L-shaped frames (18). The frame (1) is rotatably provided with lifting rods (20) and abutting pieces (21) that are fixedly connected to each other. The slider (7) is fixedly provided with two push rods (22). The two push rods (22) can abut against the lifting rods (20) and cause the lifting rods (20) to undergo elastic deformation. The abutting piece (21) abuts against the frame (1) and also undergoes elastic deformation when the push rods (22) abut against the lifting rods (20).

2. The cardboard receiving device for a die-cutting machine according to claim 1, characterized in that: The transmission mechanism includes a number of transmission wheels (13) and a transmission belt (14) that drive each other. The transmission belt (14) is arranged on both sides of the push mechanism. A transmission shaft (15) is fixedly arranged between two transmission wheels (13) with the same axis. At least one of the transmission shafts (15) is driven by a transmission motor (16). At least one distance sensor group (17) is arranged on the frame (1) in the area of ​​the slide rail (2). The distance sensor group (17) and the transmission motor (16) are both electrically connected to the control board (11).

3. The cardboard receiving device for a die-cutting machine according to claim 1, characterized in that: When the abutment piece (21) is in normal condition, the highest point of the lifting rod (20) is higher than the highest point of the conveyor belt (14). When the slider (7) moves to the area close to the L-shaped frame (18), the push rod (22) maintains abutment against the lifting rod (20).

4. The cardboard receiving device for a die-cutting machine according to claim 1, characterized in that: The driving components are configured as a stepper motor (23) and a gear (24). The stepper motor (23) is fixedly installed inside the slider (7), and the gear (24) is fixedly installed at the output end of the stepper motor (23). The slide rail (2) area of ​​the frame (1) is provided with a rack (25) that meshes with the gear (24). The stepper motor (23) is controlled by the control board (11). The slider (7) is also provided with a number of pulleys that abut against the slide rail (2).

5. The cardboard receiving device for a die-cutting machine according to claim 1, characterized in that: The platform (4) is provided with at least two sets of transmission wheels (30), and the pushing mechanism is controlled by the control board (11) and forms an interlocking with the rotating frame (6).

6. The cardboard receiving device for a die-cutting machine according to claim 2, characterized in that: The drive motor (16) is equipped with a low speed gear and a high speed gear, which are switched by the control board (11).

7. A cardboard receiving device for a die-cutting machine according to any one of claims 1-6, characterized in that, It also includes a control system for a cardboard receiving device of a die-cutting machine, the control method of which includes the following steps: S1: The control board (11) controls the stepper motor (23) to drive the slider (7) to move to the area close to the L-shaped frame (18) and complete the reset. The user can start the system by inputting the number of times each batch needs to be automatically counted in the control board (11). S2: The control board (11) starts the drive motor (16), so that the drive motor (16) runs in high speed and keeps the drive wheel (13) running at a constant speed; S3: The control board (11) controls the stepper motor (23) to move the slider (7) away from the L-shaped frame (18). At the same time, the acceleration sensor senses the sudden lifting and collision of the push rod (8). When the corresponding parameters appear, the control board (11) sends a signal back to the control board (11) in real time. The control board (11) then controls the slider (7) to move towards the L-shaped frame (18) and counts once. S4: The control board (11) compares the counting results. If the result is less than the preset number, continue to step S3. If the result is greater than the preset number, proceed to the next step. S5: The control panel (11) controls the drive motor (16) to switch to low speed to connect the front and rear of the cardboard collection. The control panel (11) controls the slider (7) and push rod (8) to temporarily leave the L-shaped frame (18) area. S6: The control board (11) drives the electric cylinder (29) to extend fully, then controls the transmission wheel (30) to drive, and after 10 seconds of controlling the transmission wheel (30) to drive, controls the electric cylinder (29) to retract fully and switches the transmission motor (16) to high speed, and then continues to step S3. S7: The control board (11) reads the data from the distance sensor group (17). When the distance sensor group (17) shows a large number of data that are infinitely far away for a long time, the control drive motor (16) stops rotating.

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