Cigarette carton sealing machine removing and collecting early warning device

Abstract

The utility model relates to the technical field of cigarette manufacturing, in particular to a cigarette carton sealing machine removing and collecting early warning device which comprises a second conveying belt and a second guide rail. The second conveying belt is connected with one end of the second guide rail in a stacked mode, and the second conveying belt inclines downwards in the conveying direction. A collecting, stacking and storing frame is installed above the second guide rail and used for collecting unqualified cigarette cartons. The second guide rail is provided with an unqualified cigarette carton stacking and pushing mechanism used for pushing unqualified cigarette cartons into the collecting, stacking and storing frame. And an induction early warning device is arranged on the collecting, stacking and storing frame, and after the unqualified cigarette cartons are fully stacked, the induction early warning device is triggered to send an early warning signal to the monitoring display screen. The unqualified cigarette carton stacking and pushing mechanism and the collecting, stacking and storing frame work cooperatively, the automation degree and the working efficiency of the whole device are improved, the requirement for manual intervention is lowered, the labor intensity is relieved, and collecting and storing of the unqualified cigarette cartons are more efficient and intelligent.

Description

Technical Field

[0001] This utility model relates to the field of cigarette manufacturing technology, specifically to a rejection and collection early warning device for a cigarette pack sealing machine. Background Technology

[0002] In the tobacco product manufacturing process, after the cigarette packs are produced, they undergo appearance inspection. Cigarette packs that fail the appearance inspection are pushed off the conveyor belt by a rejection cylinder and fall into a cigarette receiving frame. The cigarette receiving frame is responsible for collecting the rejected cigarette packs. However, the existing collection device has prominent problems.

[0003] On the one hand, the excessive height of the cigarette receiving frame causes the cigarettes to fall into the frame after being pushed out by the rejection cylinder. Due to the large drop, the cigarettes are subjected to a strong impact and are prone to deformation. Moreover, as the number of cigarettes in the receiving frame increases, the collision between subsequently falling cigarettes and existing ones further increases the possibility of deformation. This deformation not only damages the product's appearance but may also harm the cigarettes inside.

[0004] On the other hand, the cigarette receiving frame lacks an alarm device. As substandard cigarette packs are continuously rejected into the frame, the rejection cylinder continues to operate when the frame is full, causing cigarette packs to overflow and fall to the ground, suffering secondary damage and increasing material waste and costs. Furthermore, the overflowing cigarette packs may enter the rejection mechanism, causing blockages and jamming, leading to equipment downtime and severely impacting production continuity and efficiency, resulting in economic losses and production delays.

[0005] To address the problems existing in the current technology, it is necessary to develop a new type of cigarette packing machine's cigarette rejection device, optimize the cigarette rejection and collection process, improve the stability and reliability of the cigarette packing machine's operation, increase production efficiency, reduce the defect rate and production costs, and provide stronger equipment support for tobacco product production. Summary of the Invention

[0006] To address the shortcomings of the existing technology, this utility model provides a rejection and collection early warning device for a cigarette pack sealing machine. The device works in conjunction with a non-conforming cigarette pack stacking mechanism and a collection and stacking rack to neatly stack the non-conforming cigarettes. By installing a sensor on the collection and stacking rack, a signal will be issued when the rack is full of non-conforming cigarettes, prompting the operator to take action.

[0007] Specifically, this utility model provides a rejection and collection early warning device for a cigarette pack sealing machine, comprising: a second conveyor belt and a second guide rail; one end of the second conveyor belt and the second guide rail are stacked and connected, and the second conveyor belt is configured to be inclined downward along the conveying direction; a collection and stacking storage rack is installed above the second guide rail for collecting defective cigarette packs; a defective cigarette pack stacking pushing mechanism is installed at the other end of the second guide rail for pushing defective cigarette packs into the collection and stacking storage rack; a sensor early warning device is provided on the collection and stacking storage rack, and when the defective cigarette packs are fully stacked, the sensor early warning device is triggered, and an early warning signal is sent to the monitoring display screen.

[0008] Furthermore, a second push cylinder is installed below the second conveyor belt to push the defective cigarette packs onto the collection and stacking rack.

[0009] Furthermore, the collection and stacking storage rack is equipped with multiple workstations to provide more storage space for defective cigarette packs. The size of each workstation is matched with the defective cigarette packs, and each defective cigarette pack is stored in an independent workstation. The defective cigarette packs are pushed into workstation number one in sequence by a second push cylinder.

[0010] Furthermore, a stacking limit block is installed inside the collection and stacking storage rack, which is connected to the collection and stacking storage rack via a hinge to provide support for the non-conforming cigarette packs.

[0011] Furthermore, the sensor warning device is installed above the collection stack storage rack.

[0012] Furthermore, a push plate is provided on the second push cylinder. The push plate is driven by the second push cylinder to push the defective cigarette packs that have fallen from the second conveyor belt onto the second guide rail to the collection and stacking storage rack.

[0013] Furthermore, the defective cigarette stacking and pushing mechanism is a defective cigarette collection swastika lifting mechanism, which is set on the corresponding work station; it includes: a cigarette collection drive motor, a cigarette collection lifting swastika tooth block, and a cigarette collection drive shaft;

[0014] When the cigarette collection drive motor is started, the cigarette collection drive shaft rotates, causing the cigarette collection lifting swastika tooth block to rotate synchronously, lifting the defective cigarettes into the collection stacking storage rack. The cigarette collection lifting swastika tooth block provides support for the defective cigarettes. The cigarette collection drive shaft rotates again, lifting the defective cigarettes one position. At the same time, the upward thrust causes the stacking limit block to flip upward along the preset path, making way for the defective cigarettes until they reach the predetermined position. The stacking limit block then rotates downward to support the defective cigarettes.

[0015] Furthermore, the non-conforming cigarette pack stacking and pushing mechanism is a cigarette pack collection and pushing cylinder; a push plate is installed on the cigarette pack collection and pushing cylinder to provide support for the non-conforming cigarette packs that need to be lifted; the push plate is pushed by its extension and retraction to push the non-conforming cigarette packs into the collection and stacking storage rack; when the cigarette pack collection and pushing cylinder extends upward to push the non-conforming cigarette packs into the collection and stacking storage rack and contact the cigarette pack collection limiting block, the upward thrust causes the cigarette pack collection limiting block to rotate upward along a preset path, making way for the non-conforming cigarette packs until the non-conforming cigarette packs reach the predetermined position; when the cigarette pack collection and pushing cylinder retracts, the cigarette pack collection limiting block rotates downward to support the non-conforming cigarette packs.

[0016] Furthermore, it also includes a sensing unit, which includes: a fourth proximity switch and a fifth proximity switch;

[0017] The fourth proximity switch is installed on the second guide rail and is used to sense the defective cigarette packs that fall from the second conveyor belt onto the second guide rail. When the defective cigarette packs reach the sensing area, the fourth proximity switch is triggered, and the signal is transmitted to the electromagnetic reversing valve, which starts the second push cylinder to perform a telescopic movement, pushing the defective cigarette packs into the collection and stacking storage rack.

[0018] The fifth proximity switch is installed on the second guide rail, located near the last station. When a defective cigarette pack is pushed into the last station, the fifth proximity switch is triggered, activating the cigarette pack stacking and pushing mechanism to lift the defective cigarette packs at the station into the collection and stacking storage rack.

[0019] Working principle: When the cigarette pack sealing machine's rejection and collection early warning device is working, if the imaging detector 1 detects a defective cigarette pack, it sends a signal to the counter, recording the number of the defective cigarette pack. The controller then sends a signal to the fourth proximity switch 34, forming a short circuit between the controller and the fourth proximity switch 34. This blocks the signal path of the qualified cigarette pack lifting and pushing component 51, ensuring that this component does not operate when a defective cigarette pack arrives. When the defective cigarette pack reaches the qualified cigarette pack lifting device 5, the electromagnetic reversing valve disconnects the signal from the qualified cigarette pack lifting and pushing component 51. The qualified cigarette pack lifting and pushing component 51 will not extend or retract; the unqualified cigarette packs continue to be conveyed along the path by the first conveyor belt 21. When they reach the end of the first conveyor belt 21, the unqualified cigarette packs fall onto the first guide rail 22 due to their own gravity. When the unqualified cigarette packs fall onto the first guide rail 22, the proximity switch 31 is triggered, which in turn activates the first pushing cylinder 6. The first pushing cylinder 6 drives the push plate to push the unqualified cigarette packs forward, until they are pushed onto the second conveyor belt 23. When they reach the end of the second conveyor belt 23, the unqualified cigarette packs fall onto the second guide rail 23 due to their own gravity. On the second guide rail 24, the fourth proximity switch 34 is triggered, transmitting a signal to the solenoid reversing valve, which activates the second push cylinder 8 to extend and retract, pushing the defective cigarette packs to the cigarette pack station within the rejection and collection early warning device 7. When a new defective cigarette pack is pushed to the cigarette pack station within the rejection and collection early warning device 7, the defective cigarette pack at station one is moved to station two, the defective cigarette pack at station two is moved to station three, and so on, realizing the sequential movement of defective cigarette packs between stations; when the defective cigarette pack is pushed into the last station, the first... The proximity switch 35 activates the cigarette stacking and pushing mechanism 72. The cigarette stacking and pushing mechanism 72 lifts the defective cigarettes on the workstation into the collection and stacking rack 71 by hydraulic or electric drive. The newly lifted defective cigarettes push the previously lifted cigarettes to the upper layer, and the defective cigarettes are pushed from bottom to top layer by layer. They are stacked from bottom to top in the collection and stacking rack 71. When the defective cigarette stack is full, the sensor alarm 4 is triggered, and an alarm signal is sent to the monitoring display screen to prompt the operator to handle the full stack of defective cigarettes.

[0020] Beneficial effects:

[0021] 1. This utility model provides a dedicated storage space for substandard cigarette packs by setting up a collection and stacking storage rack, which avoids the random scattering of substandard cigarette packs on the production line, making the production site cleaner and more orderly, and effectively reducing the secondary problems that may be caused by the disorderly placement of substandard cigarette packs.

[0022] 2. This utility model incorporates a sensor on the stacking and storage rack. When the stack of cigarette packs is full, it immediately sends an early warning signal to the monitoring display screen, allowing operators to promptly know that the storage rack is full. This enables timely removal of substandard cigarette packs, preventing production stoppages or cigarette pack accumulation and damage caused by full storage racks. It ensures the continuous and stable operation of the production process, improves the intelligence level and production efficiency of the entire production system, and also helps to rationally allocate human resources and reduce manual monitoring costs and labor intensity.

[0023] 3. This utility model improves the automation level and work efficiency of the entire device by having the non-conforming cigarette pack stacking mechanism work in coordination with the collection and stacking storage rack, reducing the need for manual intervention and labor intensity, and making the collection and storage of non-conforming cigarette packs more efficient and intelligent.

[0024] 4. This utility model uses a second pushing cylinder to accurately push unqualified cigarette packs into the collection and stacking storage rack, avoiding deviation, jamming or falling of cigarette packs during the transmission process. This ensures that each unqualified cigarette pack can be stored according to the predetermined path and position, thereby guaranteeing the accuracy and stability of the entire rejection and collection process, reducing subsequent processing problems that may be caused by improper placement of cigarette packs, and improving production efficiency and equipment operation reliability.

[0025] 5. In this utility model, when multiple workstations are set up in the collection and stacking storage rack, the second push cylinder pushes the unqualified cigarette packs into the first workstation in sequence, so that the cigarette packs can be arranged in an orderly manner in each independent workstation in the storage rack.

[0026] 6. The stacking limiting block inside the stacking storage rack of this utility model is connected to the storage rack through a hinge, which can flexibly provide stable support for unqualified cigarette packs, prevent unqualified cigarette packs from falling during the stacking process, and ensure the neatness and stability of the cigarette pack stacking. Attached Figure Description

[0027] Figure 1 A schematic diagram showing the working status of the cigarette pack sealing machine's rejection and collection early warning device;

[0028] Figure 2 Schematic diagram showing the location of the rejection and collection early warning device for cigarette pack sealing machines;

[0029] Figure 3 A schematic diagram of the installation of a stacking and storage rack with stacking limit blocks for a cigarette pack sealing machine with a rejection collection and early warning device;

[0030] Figure 4 A schematic diagram of the swastika-shaped lifting mechanism for collecting and lifting cigarette packs with unqualified collection and early warning devices for cigarette pack sealing machines;

[0031] Figure 5Example 2: Schematic diagram of the lifting state of the rejection and collection early warning device for a cigarette pack sealing machine.

[0032] Figure 6 A schematic diagram of the structure of the rejection collection and early warning device for a cigarette pack sealing machine, Example 1;

[0033] The diagram is labeled as follows: 1—Imaging detector, 4—Induction warning device, 6—First push cylinder, 8—Second push cylinder, 9—Smoke bar;

[0034] 2—Conveying Unit: 21—First Conveyor Belt, 22—First Guide Rail, 23—Second Conveyor Belt, 24—Second Guide Rail, 25—Third Conveyor Belt;

[0035] 3—Sensing unit: 31—First proximity switch, 32—Second proximity switch, 33—Third proximity switch, 34—Fourth proximity switch, 35—Fifth proximity switch;

[0036] 5—Qualified cigarette pack lifting device: 51—Qualified cigarette pack lifting and pushing component, 52—Lifting bracket, 523—Third pushing cylinder;

[0037] 7—Rejection collection early warning device; 71—Collection stacking storage rack; 711—Stacking limit plate; 72—Unqualified cigarette pack stacking push mechanism; 721—Unqualified cigarette pack collection swastika lifting mechanism; 7211—Cigarette pack collection lifting swastika tooth block; 7212—Cigarette pack collection drive shaft; 722—Cigarette pack collection push cylinder. Detailed Implementation

[0038] The technical solution will now be described in detail with reference to the accompanying drawings of the embodiments of this utility model.

[0039] Example 1

[0040] like Figure 1 As shown, a cigarette pack sealing machine rejection and collection early warning device includes an imaging detector 1, a conveying unit 2, a sensing unit 3, a sensing early warning device 4, a qualified cigarette pack lifting device 5, a first pushing cylinder 6, a rejection and collection early warning device 7, a second pushing cylinder 8, and cigarette packs 9; the conveying unit 2 includes: a first conveyor belt 21, a first guide rail 22, a second conveyor belt 23, a second guide rail 24, and a third conveyor belt 25; the sensing unit 3 includes: a first proximity switch 31, a second proximity switch 32, a third proximity switch 33, a fourth proximity switch 34, and a fifth proximity switch 35; the qualified cigarette pack lifting device 5 includes: a qualified cigarette pack lifting pushing component 51, a lifting bracket 52, and a third pushing cylinder 523; the rejection and collection early warning device 7 includes: a collection and stacking storage rack 71, a stacking limit plate 711, a non-qualified cigarette pack stacking pushing mechanism 72, a non-qualified cigarette pack collection swastika lifting mechanism 721, a cigarette pack collection lifting swastika tooth block 7211, and a cigarette pack collection drive shaft 7212;

[0041] like Figure 2 As shown, the imaging detector 1 is installed on the first conveyor belt 21 for detecting the appearance of the cigarette packs; the first pushing cylinder 6 is installed at the bottom of the first conveyor belt 21, and a push plate is installed on the first pushing cylinder 6 for pushing the cigarette packs that fall onto the first guide rail 22; the first conveyor belt 21 and the first guide rail 22 are stacked and connected at one end to form a continuous conveying path. When the cigarette packs are conveyed to the end of the first conveyor belt 21, they fall onto the first guide rail 22 by their own gravity; the other end of the first guide rail 22 is connected to the qualified cigarette pack lifting device 5; one end of the second conveyor belt 23 is connected to the qualified cigarette pack lifting device 5, and unqualified cigarette packs will be pushed to the second conveyor belt 23; the other end is stacked and connected to one end of the second guide rail 24. The second conveyor belt 23 is set to tilt downward along the conveying direction, using gravity to help unqualified cigarette packs smoothly enter the rejection collection and warning device 7; the second guide rail 24 is connected to the rejection collection and warning device 7 for conveying unqualified cigarette packs; the third conveyor belt 25 is connected to the qualified cigarette pack lifting device 5 for conveying qualified cigarette packs.

[0042] like Figure 2 , 6 As shown, the second push cylinder 8 is installed below the second conveyor belt 23. A push plate is provided on the second push cylinder 8. The push plate is driven by the second push cylinder 8 to push the cigarette packs that fall from the second conveyor belt 23 onto the second guide rail 24 to the corresponding workstation of the collection and stacking storage rack 71. The collection and stacking storage rack 71 is installed above the second guide rail 24 and is used to collect unqualified cigarette packs.

[0043] like Figure 5 , 6 The collection and stacking storage rack 71 shown has multiple workstations to provide more storage space for defective cigarette packs. The size of each workstation matches the size of the cigarette packs, and each cigarette pack is stored in an independent workstation. The second push cylinder 8 pushes the cigarette packs into workstation number one in sequence. The cigarette packs previously stored in workstation number one are then pushed to workstation number two in sequence, and the cigarette packs in workstation number two are then pushed to workstation number three, and so on. The stacking limit block 711 is set inside the collection and stacking storage rack 71 and is connected to the collection and stacking storage rack 71 by a hinge, allowing it to rotate flexibly and providing support for the cigarette packs.

[0044] like Figure 5As shown, the defective cigarette stacking and pushing mechanism 72 is used to push defective cigarettes into the collection and stacking storage rack 71. The newly lifted cigarettes push the previously lifted cigarettes to the upper layer, forming a layer-by-layer push from bottom to top between the cigarettes. The defective cigarette stacking and pushing mechanism 72 is a defective cigarette collection swastika lifting mechanism 721, which is set on the corresponding work station and is equipped with a cigarette collection drive motor. When the cigarette collection drive motor is started, the cigarette collection drive shaft 7212 rotates, driving the cigarette collection lifting swastika tooth block 7211 to rotate synchronously, lifting the cigarettes into the collection and stacking storage rack 71. The cigarette collection lifting swastika tooth block 7211 provides support for the cigarettes. The cigarette collection drive shaft 7212 rotates again, lifting the cigarettes to one work station. At the same time, the upward thrust drives the stacking limit block 711 to flip upward along the preset path, making way for the cigarettes until the cigarettes reach the predetermined position. The stacking limit block 711 rotates downward to support the cigarettes.

[0045] The fourth proximity switch 34 is installed on the second guide rail 24 and is used to sense the cigarettes that fall from the second conveyor belt 23 onto the second guide rail 23. When the cigarettes reach the sensing area, the fourth proximity switch 34 is triggered, and the signal is transmitted to the electromagnetic reversing valve, which starts the second push cylinder 8 to perform telescopic movement, pushing the unqualified cigarettes into the rejection collection early warning device 7.

[0046] The fifth proximity switch 35 is installed on the second guide rail 24 and is located near the last station. When the cigarette pack is pushed into the last station, the fifth proximity switch 35 is triggered, and the cigarette pack stacking pushing mechanism 72 is activated to lift the cigarette packs on the station into the collection stacking storage rack 71.

[0047] The sensor warning device (4) is installed above the collection stack storage rack (71).

[0048] like Figure 1As shown, when the qualified cigarette packing machine's cigarette rejection device is working, firstly, the cigarette packs 9 are conveyed from the upstream equipment to the first conveyor belt 21 and enter the appearance inspection area of ​​the imaging detector 1. The imaging detector 1 will conduct a comprehensive inspection of the appearance of the cigarette packs 9 to identify whether there are various appearance defects. Based on the detection results of the imaging detector 1, the cigarette packs 9 are sorted and classified into qualified cigarette packs and unqualified cigarette packs. When an unqualified cigarette pack is detected, the imaging detector 1 will send a signal to the counter to record the number of the unqualified cigarette pack. The controller will send a signal to the fourth proximity switch 34, and the controller and the fourth proximity switch 34 will form a short circuit to block the signal path of the qualified cigarette pack lifting and pushing component 51, ensuring that the component does not work when the unqualified cigarette pack arrives. When the unqualified cigarette pack reaches the qualified cigarette pack lifting device 5, the electromagnetic reversing valve will disconnect the signal from the qualified cigarette pack lifting and pushing component 51, and the qualified cigarette pack lifting and pushing component 51 will not perform any extension or retraction movement. The unqualified cigarette packs continue to be conveyed along the path by the first conveyor belt 21. When they reach the end of the first conveyor belt 21, the unqualified cigarette packs are rejected. The unqualified cigarette packs fall onto the first guide rail 22 under their own weight. When an unqualified cigarette pack falls onto the first guide rail 22, it triggers the proximity switch 31, which in turn activates the first push cylinder 6. The first push cylinder 6 drives the push plate to push the unqualified cigarette packs forward until they are pushed onto the second conveyor belt 23. When they reach the end of the second conveyor belt 23, the unqualified cigarette packs fall onto the second guide rail 24 under their own weight, triggering the fourth proximity switch 34. This signal is transmitted to the solenoid reversing valve, which activates the second push cylinder 8 to extend and retract, pushing the unqualified cigarette packs to the cigarette pack station in the rejection collection and early warning device 7. When a new unqualified cigarette pack is pushed to... When rejecting cigarette packs from the collection and warning device 7, the defective cigarette packs at station one are moved to station two, and those at station two are moved to station three, and so on, thus achieving sequential movement of the cigarettes between stations. When a defective cigarette pack is pushed into the last station, the fifth proximity switch 35 is triggered, activating the defective cigarette collection swastika lifting mechanism 721. The cigarette collection drive motor starts, and the cigarette collection drive shaft 7212 rotates, causing the cigarette collection lifting swastika toothed block 7211 to rotate synchronously, lifting the defective cigarette pack into the collection and stacking storage rack 71, where the cigarette collection lifting swastika toothed block 7211 provides support for the defective cigarette pack. The force causes the cigarette collection drive shaft 7212 to rotate again, lifting the defective cigarette packs to one position. At the same time, the upward thrust causes the stacking limit block 711 to flip upward along the preset path, making way for the defective cigarette packs until they reach the predetermined position. The stacking limit block 711 then rotates downward to support the defective cigarette packs. The newly lifted defective cigarette packs push the previously lifted defective cigarette packs to the next layer, creating a bottom-up, layer-by-layer push between the cigarette packs. This results in a bottom-up, layer-by-layer stacking within the collection and stacking rack 71. Once the defective cigarette packs are fully stacked, the sensor alarm 4 is triggered, sending an alarm signal to the monitoring display screen to prompt the operator to process the fully stacked cigarette packs.

[0049] Example 2

[0050] like Figure 5 As shown, the difference from Embodiment 1 is that the defective cigarette stacking pushing mechanism 72 is set as a cigarette collection pushing cylinder 722; a push plate is installed on the cigarette collection pushing cylinder 722 to provide support for the defective cigarettes that need to be lifted; the push plate is pushed by its extension and retraction to push the defective cigarettes into the collection and stacking storage rack 71; when the cigarette collection pushing cylinder 722 extends upward to push the defective cigarettes into the collection and stacking storage rack 71 and contacts the cigarette collection limiting block 7222, the upward thrust causes the cigarette collection limiting block 7222 to rotate upward along a preset path, making way for the defective cigarettes until the defective cigarettes reach the predetermined position; when the cigarette collection pushing cylinder 722 retracts, the cigarette collection limiting block 7222 rotates downward to support the defective cigarettes.

[0051] It should be understood that the specific embodiments described above are merely illustrative or explanatory of the principles of this utility model and do not constitute a limitation thereof. Therefore, any modifications, equivalent substitutions, improvements, etc., made without departing from the spirit and scope of this utility model should be included within its protection scope. Furthermore, the appended claims are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims, or equivalent forms of such scope and boundaries.

Claims

1. A cigarette pack sealing machine rejection and collection early warning device, characterized in that, include: Second conveyor belt (23), second guide rail (24); The second conveyor belt (23) is stacked and connected to one end of the second guide rail (24), and the second conveyor belt (23) is configured to be inclined downward along the conveying direction; A collection and stacking rack (71) is installed above the second guide rail (24) for collecting defective cigarette packs; The other end of the second guide rail (24) is equipped with a non-conforming cigarette pack stacking pushing mechanism (72) for pushing non-conforming cigarette packs into the collection and stacking storage rack (71); The collection and stacking storage rack (71) is equipped with a sensor (4). When the stack of unqualified cigarette packs is full, the sensor (4) is triggered and a warning signal is sent to the monitoring display screen.

2. The cigarette pack sealing machine rejection and collection early warning device according to claim 1, characterized in that: A second push cylinder (8) is installed below the second conveyor belt (23) to push the non-conforming cigarette packs onto the collection and stacking rack (71).

3. The cigarette pack sealing machine rejection and collection early warning device according to claim 2, characterized in that: The collection and stacking storage rack (71) is equipped with multiple workstations to provide a larger storage space for non-conforming cigarette packs. The size of each workstation is matched with the size of the non-conforming cigarette packs. Each non-conforming cigarette pack is stored in an independent workstation. The non-conforming cigarette packs are pushed into the first workstation in sequence by the second push cylinder (8).

4. The cigarette pack sealing machine rejection and collection early warning device according to claim 3, characterized in that: The collection and stacking storage rack (71) is provided with a stacking limit block (711), which is connected to the collection and stacking storage rack (71) by a hinge to provide support for non-conforming cigarette packs.

5. The cigarette pack sealing machine rejection and collection early warning device according to claim 4, characterized in that: The sensor warning device (4) is installed above the collection stack storage rack (71).

6. The cigarette pack sealing machine rejection and collection early warning device according to claim 1, characterized in that: The second push cylinder (8) is equipped with a push plate. The push plate is driven by the second push cylinder (8) to push the defective cigarettes that have fallen from the second conveyor belt (23) onto the second guide rail (24) onto the collection and stacking storage rack (71).

7. The cigarette pack sealing machine rejection and collection early warning device according to claim 4, characterized in that: The unqualified cigarette stacking pushing mechanism (72) is an unqualified cigarette collection swastika lifting mechanism (721), which is set on the corresponding work station; it includes: cigarette collection drive motor, cigarette collection lifting swastika tooth block (7211), and cigarette collection drive shaft (7212). When the cigarette collection drive motor is started, the cigarette collection drive shaft (7212) rotates, driving the cigarette collection lifting swastika tooth block (7211) to rotate synchronously, lifting the unqualified cigarettes into the collection stacking storage rack (71). The cigarette collection lifting swastika tooth block (7211) provides support for the unqualified cigarettes. The cigarette collection drive shaft (7212) rotates again, lifting the unqualified cigarettes one station. At the same time, the upward thrust drives the stacking limit block (711) to flip upward along the preset path, making way for the unqualified cigarettes until they reach the predetermined position. The stacking limit block (711) then rotates downward to support the unqualified cigarettes.

8. The cigarette pack sealing machine rejection and collection early warning device according to claim 4, characterized in that: The non-conforming cigarette stacking pushing mechanism (72) is a cigarette collection pushing cylinder (722); a push plate is installed on the cigarette collection pushing cylinder (722) to provide support for the non-conforming cigarettes that need to be lifted; the non-conforming cigarettes are pushed into the collection stacking storage rack (71) by its extension and retraction action; when the cigarette collection pushing cylinder (722) extends upward and pushes the non-conforming cigarettes into the collection stacking storage rack (71) and contacts the cigarette collection limiting block (7222), the upward thrust causes the cigarette collection limiting block (7222) to flip upward along the preset path, making way for the non-conforming cigarettes until the non-conforming cigarettes reach the predetermined position; when the cigarette collection pushing cylinder (722) retracts, the cigarette collection limiting block (7222) rotates downward to support the non-conforming cigarettes.

9. The cigarette pack sealing machine rejection and collection early warning device according to claim 4, characterized in that: It also includes a sensing unit (3), which includes: a fourth proximity switch (34) and a fifth proximity switch (35); The fourth proximity switch (34) is installed on the second guide rail (24) to sense the defective cigarettes that fall from the second conveyor belt (23) onto the second guide rail (24). When the defective cigarettes reach the sensing area, the fourth proximity switch (34) is triggered, and the signal is transmitted to the electromagnetic reversing valve to start the second push cylinder (8) to perform telescopic movement and push the defective cigarettes onto the collection stacking storage rack (71). The fifth proximity switch (35) is installed on the second guide rail (24) and is located near the last station. When the defective cigarette packs are pushed into the last station, the fifth proximity switch (35) is triggered, and the cigarette pack stacking pushing mechanism (72) is activated to lift the defective cigarette packs on the station into the collection stacking storage rack (71).

Images