Cigarette case conveying system and cigarette case production line

Abstract

The utility model relates to a cigarette case conveying system and a cigarette case production line. The cigarette case conveying system comprises a tray, a conveying device, a blocking device and a detecting device. The tray is used for placing cigarette cases. The conveying device is provided with a conveying face used for driving the tray to move in the conveying direction. The blocking device is arranged in the middle of the moving path of the tray moving along with the conveying face and used for blocking the tray from continuously moving when the tray moves to the position of the blocking device. The detection device is used for detecting the placing state of the cigarette cases on the tray. And when the tray is blocked by the blocking device, the detection device detects the cigarette case. After the detection device completes detection, the blocking device allows the tray to pass. When cigarette cases are detected, the conveying device does not need to be controlled to stop, the conveying device can be kept in an operation state, the tray can immediately move along with the conveying face after the blocking device releases the cigarette cases, the reliability of detection results is guaranteed, and the conveying efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of cigarette box production, and in particular to a cigarette box conveying system and a cigarette box production line. Background Art

[0002] In the cigarette box production process, after the cigarette box manufacturing equipment has manufactured the cigarette box, it is necessary to use a visual inspection machine to inspect the appearance of the cigarette box, and a conveyor is required during the inspection. When performing visual inspection, the traditional conveyor needs to be controlled to stop the conveyor and restart the conveyor after the inspection is completed. This leads to frequent starts and stops, which is not intelligent enough and affects the operational stability of the conveyor.

[0003] It should be noted that the statements in this background technology section only provide background technology related to the present application and do not necessarily constitute prior art. Utility Model Content

[0004] The present application provides a cigarette box conveying system and a cigarette box production line to enhance the intelligence of the conveying process.

[0005] The first aspect of the present application provides a cigarette box conveying system, comprising a tray, a conveying device, a blocking device and a detection device. The tray is used to place cigarette boxes. The conveying device has a conveying surface for driving the tray to move along the conveying direction. The blocking device is arranged in the middle of the moving path of the tray moving with the conveying surface, and is used to block the tray from continuing to move when the tray moves to the position of the blocking device. The detection device is used to detect the placement status of the cigarette boxes on the tray. When the tray is blocked by the blocking device, the detection device detects the cigarette boxes, and after the detection device completes the detection, the blocking device allows the tray to pass.

[0006] In some embodiments, during the process of the detection device detecting the cigarette box, the conveying surface continues to move, and the tray is blocked by the blocking device to generate relative sliding between the tray and the conveying surface.

[0007] In certain embodiments, in the width direction of the conveying surface, the edge of the tray protrudes outward relative to the edge of the conveying surface. The cigarette box conveying system also includes a lifting assembly. The lifting assembly is arranged at a position near the end of the moving path. In the width direction of the conveying surface, the lifting assembly is located beside the conveying surface. When the tray moves to the position of the lifting assembly, the lifting assembly lifts the tray from the bottom of the tray so that the tray is separated from the conveying surface in the height direction.

[0008] In some embodiments, in the width direction of the conveying surface, the lifting assemblies are symmetrically arranged on both sides of the conveying surface.

[0009] In some embodiments, the lifting assembly includes an adsorption mechanism and a lifting mechanism. The adsorption mechanism is used to adsorb the bottom of the tray when the tray moves to the position of the lifting assembly. The lifting mechanism is used to drive the adsorption mechanism to move in the height direction.

[0010] In some embodiments, the adsorption mechanism includes a negative pressure tube and a plurality of suction heads disposed on the negative pressure tube. The negative pressure tube is used to connect a negative pressure source to generate negative pressure in the lumen of the negative pressure tube. The plurality of suction heads are connected to the lumen to adsorb the tray when negative pressure is generated in the lumen.

[0011] In some embodiments, the cigarette box conveying system further comprises a discharge device. The discharge device is used to discharge the cigarette box from the tray after the lifting assembly lifts the tray. After the discharge is completed, the lifting assembly descends to make the tray fall back to the conveying surface, and the conveying device drives the tray to continue to move.

[0012] In certain embodiments, the blocking device comprises a driving device and a blocking rod. The cigarette box conveying system has a release state and a blocking state. In the release state, the blocking rod is away from the conveying surface so that the tray can move through the blocking device along the conveying surface. In the blocking state, the driving device drives the position of the blocking rod to change to block at least part of the conveying surface so that the tray is blocked by the blocking rod when moving to the blocking device.

[0013] In some embodiments, the cigarette box conveying system further comprises a first in-place detection switch. The first in-place detection switch is arranged on the conveying device and is located at the beginning of the moving path in the conveying direction. When the tray is placed at the beginning of the moving path, the first in-place detection switch is triggered and the conveying device is started.

[0014] In some embodiments, the cigarette box conveying system further comprises a second in-place detection switch. The second in-place detection switch is arranged adjacent to the blocking device and is located upstream of the blocking device in the conveying direction. When the tray moves to the position of the second in-place detection switch, the second in-place detection switch is triggered, and the detection device detects the cigarette box.

[0015] In some embodiments, the cigarette box conveying system further includes a third in-place detection switch and a material unloading device. The third in-place detection switch is disposed on the conveying device and is located at the end of the moving path. When the tray moves to the position of the third in-place detection switch, the third in-place detection switch is triggered, the conveying device stops, and the material unloading device discharges the tray from the conveying device.

[0016] In some embodiments, the detection device includes a photographing device. When the blocking device blocks the tray, the photographing device takes photos of the cigarette boxes on the tray to detect the placement status of the cigarette boxes.

[0017] A second aspect of the present application provides a cigarette box production line, comprising the cigarette box conveying system as described above.

[0018] Based on the technical solution provided by the present application, the cigarette box conveying system includes a tray, a conveying device, a blocking device and a detection device. The tray is used to place cigarette boxes. The conveying device has a conveying surface for driving the tray to move along the conveying direction. The blocking device is arranged in the middle of the moving path of the tray moving with the conveying surface, and is used to block the tray from continuing to move when the tray moves to the position of the blocking device. The detection device is used to detect the placement state of the cigarette boxes on the tray. When the tray is blocked by the blocking device, the detection device detects the cigarette boxes. After the detection device has finished the detection, the blocking device allows the tray to pass. When the cigarette box needs to be detected, there is no need to control the conveying device to stop, and only the blocking device needs to be controlled to block the tray to achieve the stationary state of the tray relative to the detection device, so that the conveying device can be kept in an operating state. After the blocking device is released, the tray can immediately move with the conveying surface, which not only ensures the reliability of the detection result, but also improves the conveying efficiency, and there is no need to control the conveying device to start and stop frequently, optimizes the control strategy, makes the operation of the cigarette box conveying system more stable, and improves the intelligence and automation of the system.

[0019] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments of the present application with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0021] Figure 1 This is a schematic diagram of a cigarette box conveying system according to some embodiments of the present application.

[0022] Figure 2 for Figure 1 Schematic diagram of the cigarette box conveying system conveying cigarette boxes to the end of the moving path.

[0023] Figure 3 for Figure 1 Schematic diagram of the structure of the blocking device.

[0024] Figure 4 for Figure 1 Schematic diagram of the structure of the lifting assembly. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0026] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the application. Meanwhile, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to actual proportional relationships. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0027] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways, and the spatially relative descriptions used here are interpreted accordingly.

[0028] refer to Figure 1 and 2Some embodiments of the present application provide a cigarette box conveying system, including a tray 1, a conveying device 2, a blocking device 3 and a detection device (not shown in the figure). The tray 1 is used to place cigarette boxes A. The conveying device 2 has a conveying surface B for driving the tray 1 to move along the conveying direction X. The blocking device 3 is arranged in the middle of the moving path of the tray 1 along the conveying surface B, and is used to block the tray 1 from continuing to move when the tray 1 moves to the position of the blocking device 3. The detection device is used to detect the placement state of the cigarette box A on the tray 1. When the tray 1 is blocked by the blocking device 3, the detection device detects the cigarette box A. After the detection device completes the detection, the blocking device 3 allows the tray 1 to pass.

[0029] Specifically, after the tray 1 is placed on the conveying surface B, the conveying surface B can drive the tray 1 to move by the friction between it and the tray 1, so as to realize the conveying of the tray 1. When the tray 1 is conveyed to the blocking device 3, the tray 1 is blocked by the blocking device 3, and the detection device detects the several cigarette boxes A placed on the tray 1. During the detection process, the conveying surface B is in a state of continuous movement, so that the contact surface between the conveying surface B and the tray 1 slides relative to each other. After the detection is completed, the blocking device 3 is released, so that the tray 1 can continue to move with the conveying surface B.

[0030] When the cigarette box A needs to be inspected, there is no need to stop the conveying device 2. It is only necessary to control the blocking device 3 to block the tray 1 so that the tray 1 can be stationary relative to the inspection device, and the conveying device 2 can remain in operation. After the blocking device 3 is released, the tray 1 can immediately move with the conveying surface B, which not only ensures the reliability of the inspection result, but also improves the conveying efficiency. In addition, there is no need to control the conveying device 2 to start and stop frequently, which optimizes the control strategy, makes the operation of the cigarette box conveying system more stable, and improves the intelligence and automation of the system.

[0031] In some embodiments, the detection device includes a camera. When the blocking device 3 blocks the tray 1, the camera takes a photo of the cigarette boxes A on the tray 1 to detect the placement status of the cigarette boxes A. Specifically, by taking photos with the camera, combined with machine vision technology, the status of several cigarette boxes A placed on the tray 1 can be detected, for example, whether there is a vacancy or a skewed posture, and reliable feedback data can be provided to the staff in a timely manner, which is conducive to improving the production efficiency and production quality of cigarette boxes.

[0032] In order to improve the stability of the tray 1 during the cigarette box detection process, refer to Figure 1In some embodiments, the cigarette box conveying system includes a limit plate 8. The limit plate 8 is located beside the conveying surface B in the width direction Y of the conveying surface B. The limit plate 8 extends in the conveying direction X and is arranged adjacent to the blocking device 3. When the blocking device 3 blocks the tray 1, the limit plate 8 limits the tray 1 laterally, reducing the risk of the tray 1 deviating along the width direction Y of the conveying surface B due to the combined factors of the friction of the conveying surface B and the blocking effect of the blocking device 3.

[0033] In some embodiments, the limiting plates 8 are symmetrically arranged on both sides of the conveying surface B, and the spacing between the two limiting plates 8 in the width direction Y is approximately equal to the size of the pallet 1 in the width direction Y (for example, 400 mm) to further enhance the limiting effect on the pallet 1.

[0034] In some embodiments, the conveying device 2 is a conveyor belt device, and the conveying surface B is the outer surface of the conveyor belt of the conveyor belt device.

[0035] refer to Figure 1 and 2 , in some embodiments, in the width direction Y of the conveying surface B. The edge of the tray 1 protrudes outward relative to the edge of the conveying surface B. The cigarette box conveying system also includes a lifting component 4. The lifting component 4 is arranged at a position close to the end of the moving path. In the width direction Y of the conveying surface B, the lifting component 4 is located beside the conveying surface B. When the tray 1 moves to the position of the lifting component 4, the lifting component 4 lifts the tray 1 from the bottom of the tray 1 to separate the tray 1 from the conveying surface B in the height direction.

[0036] After the tray 1 is lifted up, it is no longer affected by the conveying surface B, so that the tray 1 maintains its position unchanged on the moving path, which is convenient for processing the cigarette boxes A on the tray 1. For example, during the process of conveying the tray 1, shaking occurs, causing some cigarette boxes A to be deflected. At this time, since the tray 1 is lifted up and is in a static state, it is convenient for the staff to adjust the placement of the deflected cigarette boxes A. If the cigarette boxes A are not deflected, it is convenient to unload the cigarette boxes A. Therefore, the tray 1 is moved to a position close to the end of the moving path, and the tray 1 is lifted by controlling the lifting component 4, so that the tray 1 continues to move along the moving direction X, which is convenient for the staff to process the cigarette boxes 1 according to production needs, without controlling the conveying device 2 to stop, thereby reducing the number of starts and stops of the conveying device 2.

[0037] In some embodiments, the cigarette box conveying system further includes a discharge device (not shown in the figure). The discharge device is used to discharge cigarette boxes A from the tray 1 after the lifting assembly 4 lifts the tray 1. After the discharge is completed, the lifting assembly 4 descends to make the tray 1 fall back to the conveying surface B, and the conveying device 2 drives the tray 1 to continue to move.

[0038] Specifically, the unloading device can unload all cigarette boxes A on the tray 1 at one time, thereby improving the unloading efficiency. The unloading device includes a material-retrieving robot to improve the intelligence and efficiency of unloading.

[0039] refer to Figure 1 In some embodiments, in the width direction Y of the conveying surface B, the lifting components 4 are symmetrically arranged on both sides of the conveying surface B. In this way, the stability of the process of the lifting components 4 lifting the tray 1 can be improved.

[0040] refer to Figure 4 In some embodiments, the lifting assembly 4 includes an adsorption mechanism 41 and a lifting mechanism 42. The adsorption mechanism 41 is used to adsorb the bottom of the tray 1 when the tray 1 moves to the position of the lifting assembly 4. The lifting mechanism 42 is used to drive the adsorption mechanism 41 to move in the height direction. The lifting mechanism 42 includes a lifting cylinder. The adsorption mechanism 41 can generate negative pressure to adsorb the tray 1 when the tray 1 is lifted, further improve the stability, reduce the inertia of the tray 1, and further move relative to the lifting assembly 4 when it is lifted.

[0041] In some embodiments, the adsorption mechanism 41 includes a negative pressure tube 411 and a plurality of suction heads 412 disposed on the negative pressure tube 411. The negative pressure tube 411 is used to connect to a negative pressure source to generate negative pressure in the lumen of the negative pressure tube 411. The plurality of suction heads 412 are connected to the lumen to adsorb the tray 1 when negative pressure is generated in the lumen.

[0042] Specifically, the negative pressure tube 411 is connected to the lifting mechanism 42. After the cigarette boxes A on the tray 1 are unloaded, the lifting mechanism 42 drives the negative pressure tube 411 to descend, causing the tray 1 to fall back to the conveying surface B. At this time, the suction force of the multiple suction heads 412 disappears, and the suction heads 412 and the tray 1 are in a detachable state, which facilitates the discharge of the empty tray 1 from the conveying device 2.

[0043] In some embodiments, the plurality of suction heads 412 are spaced apart in the conveying direction X to improve the stability of the process in which the lifting assembly 4 lifts the tray 1 .

[0044] refer to Figure 3 In some embodiments, the blocking device 3 includes a driving device 31 and a blocking rod 32. The cigarette box conveying system has a release state and a blocking state. In the release state, the blocking rod 32 is away from the conveying surface so that the tray 1 can move along the conveying surface through the blocking device 3. In the blocking state, the driving device 31 drives the blocking rod 32 to change its position to block at least part of the conveying surface B, so that the tray 1 is blocked by the blocking rod 32 when it moves to the blocking device 3.

[0045] The driving device 31 is arranged beside the conveying surface B in the width direction Y, and the first end of the blocking rod 32 is rotatably connected to the driving device 31. The cigarette box conveying system is usually in a release state. In the release state, the second end of the blocking rod 32 extends to the outside of the conveying surface B in the width direction Y, and the tray 1 is not blocked by the blocking rod 32 when moving through the blocking device 3. When detecting cigarette boxes, the driving device 31 controls the blocking rod 32 to rotate until the second end of the blocking rod 32 extends to the inside of the conveying surface B, and the tray 1 is blocked by the blocking rod 32 and cannot pass.

[0046] In some embodiments, the driving device 31 includes a rotary cylinder.

[0047] refer to Figure 1 In some embodiments, the cigarette box conveying system further includes a first in-place detection switch 5. The first in-place detection switch 5 is disposed on the conveying device 2 and is located at the beginning of the moving path in the conveying direction X. When the tray 1 is placed at the beginning of the moving path, the first in-place detection switch 5 is triggered and the conveying device 2 is started.

[0048] When the tray 1 enters the conveying device 2 from the upstream of the cigarette box conveying system, the first in-position detection switch 5 is triggered, and the conveying surface B drives the tray 1 to move, thereby improving the intelligence and automation of the system. In other words, the conveying device 2 is usually in a stopped state, and the conveying device 2 is only started when the first in-position detection switch 5 detects the presence of the tray 1, thereby reducing the idle operation of the conveying device 2 and achieving energy saving and consumption reduction.

[0049] refer to Figure 1 In some embodiments, the cigarette box conveying system further includes a second in-place detection switch 6. The second in-place detection switch 6 is disposed adjacent to the blocking device 3 and is located upstream of the blocking device 3 in the conveying direction X. When the tray 1 moves to the position of the second in-place detection switch 6, the second in-place detection switch 6 is triggered, and the detection device detects the cigarette box A. That is, the second in-place detection switch 6 is electrically connected to both the detection device and the blocking device 3. When the second in-place detection switch 6 is triggered, the rotating cylinder drives the blocking rod 32 to rotate to achieve blocking of the tray 1, and the detection device is started to perform detection, thereby improving the intelligence and automation of the system. In addition, the second in-place detection switch 6 is disposed upstream of the blocking device 3, so that after the second in-place detection switch 6 is triggered, the tray 1 needs to move at least a certain distance with the conveying surface B before reaching the position of the blocking rod 32, leaving response time for the rotating cylinder to drive the blocking rod 32 to rotate.

[0050] refer to Figure 1In some embodiments, the cigarette box conveying system further includes a third in-place detection switch 7 and a material unloading device (not shown in the figure). The third in-place detection switch 7 is disposed on the conveying device 2 and is located at the end of the moving path. When the tray 1 moves to the position of the third in-place detection switch 7, the third in-place detection switch 7 is triggered, the conveying device 2 stops, and the material unloading device discharges the tray 1 from the conveying device 2.

[0051] Specifically, when the front end of the tray 1 reaches the third in-position detection switch 7 along the conveying direction X, the third in-position detection switch 7 is triggered, and the conveying device 2 stops, the conveying surface B stops moving, and the unloading device discharges the tray 1 from the conveying device 2 along the width direction Y to make room for the next tray 1, ensuring that the next tray 1 can smoothly drive the cigarette box A to the end of the moving path and complete the conveying of the cigarette box A. In addition, during the period when the previous tray 1 is discharged and the next tray 1 has not yet been placed on the conveying surface B, the conveying device 2 is in a stopped state, thereby saving energy and reducing consumption.

[0052] In summary, the cigarette box conveying system provided in some embodiments of the present application can achieve a conveying speed of 100 mm / s to 500 mm / s, with stable and efficient conveying, a maximum conveying weight of 20 kg, and a strong conveying capacity.

[0053] Some embodiments of the present application also provide a cigarette box production line, comprising the cigarette box conveying system as described above.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present application rather than to limit it. Although the present application has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the present application can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the present application, which should be included in the scope of the technical solution for protection in the present application.

Claims

1. A cigarette box conveying system, characterized in that: include: A tray (1) for placing cigarette boxes (A); A conveying device (2) having a conveying surface (B) for driving the tray (1) to move along a conveying direction (X); a blocking device (3) disposed in the middle of a moving path of the tray (1) along the conveying surface (B), and used to block the tray (1) from continuing to move when the tray (1) moves to the position of the blocking device (3); and The detection device is used to detect the placement status of the cigarette boxes (A) on the tray (1); when the tray (1) is blocked by the blocking device (3), the detection device detects the cigarette boxes (A); after the detection device completes the detection, the blocking device (3) allows the tray (1) to pass.

2. The cigarette box conveying system according to claim 1, characterized in that: During the process of the detection device detecting the cigarette box (A), the conveying surface (B) continues to move, and the tray (1) is blocked by the blocking device (3) so as to slide relative to the conveying surface (B).

3. The cigarette box conveying system according to claim 1, characterized in that: In the width direction (Y) of the conveying surface (B), the edge of the tray (1) protrudes outward relative to the edge of the conveying surface (B). The cigarette box conveying system also includes a lifting component (4). The lifting component (4) is arranged at a position close to the end of the moving path. In the width direction (Y) of the conveying surface (B), the lifting component (4) is located on the side of the conveying surface (B). When the tray (1) moves to the position of the lifting component (4), the lifting component (4) lifts the tray (1) from the bottom of the tray (1) so that the tray (1) is separated from the conveying surface (B) in the height direction.

4. The cigarette box conveying system according to claim 3, characterized in that: In the width direction (Y) of the conveying surface (B), the lifting components (4) are symmetrically arranged on both sides of the conveying surface (B).

5. The cigarette box conveying system according to claim 3, characterized in that: The lifting assembly (4) comprises an adsorption mechanism (41) and a lifting mechanism (42), wherein the adsorption mechanism (41) is used to adsorb the bottom of the tray (1) when the tray (1) moves to the position of the lifting assembly (4), and the lifting mechanism (42) is used to drive the adsorption mechanism (41) to move in the height direction.

6. The cigarette box conveying system according to claim 5, characterized in that: The adsorption mechanism (41) comprises a negative pressure tube (411) and a plurality of suction heads (412) arranged on the negative pressure tube (411); the negative pressure tube (411) is used to connect to a negative pressure source to generate negative pressure in the tube cavity of the negative pressure tube (411); the plurality of suction heads (412) are connected to the tube cavity to adsorb the tray (1) when negative pressure is generated in the tube cavity.

7. The cigarette box conveying system according to claim 3, characterized in that: It also comprises a discharge device, which is used to discharge the cigarette box (A) from the tray (1) after the tray (1) is lifted by the lifting component (4); after the discharge is completed, the lifting component (4) descends to make the tray (1) fall back to the conveying surface (B), and the conveying device (2) drives the tray (1) to continue to move.

8. The cigarette box conveying system according to claim 1, characterized in that: The blocking device (3) comprises a driving device (31) and a blocking rod (32); the cigarette box conveying system has a release state and a blocking state; in the release state, the blocking rod (32) is away from the conveying surface so that the tray (1) can move along the conveying surface through the blocking device (3); in the blocking state, the driving device (31) drives the blocking rod (32) to change its position to block at least part of the conveying surface (B), so that the tray (1) is blocked by the blocking rod (32) when it moves to the blocking device (3).

9. The cigarette box conveying system according to claim 1, characterized in that: It also includes a first in-place detection switch (5), which is arranged on the conveying device (2) and is located at the beginning of the moving path in the conveying direction (X). When the tray (1) is placed at the beginning of the moving path, the first in-place detection switch (5) is triggered and the conveying device (2) is started.

10. The cigarette box conveying system according to claim 1, characterized in that: It also comprises a second in-place detection switch (6), which is arranged adjacent to the blocking device (3) and is located upstream of the blocking device (3) in the conveying direction (X); when the tray (1) moves to the position of the second in-place detection switch (6), the second in-place detection switch (6) is triggered, and the detection device detects the cigarette box (A).

11. The cigarette box conveying system according to claim 1, characterized in that: It also includes a third in-place detection switch (7) and a material discharge device, wherein the third in-place detection switch (7) is arranged on the conveying device (2) and is located at the end of the moving path. When the tray (1) moves to the position of the third in-place detection switch (7), the third in-place detection switch (7) is triggered, the conveying device (2) stops, and the material discharge device discharges the tray (1) from the conveying device (2).

12. The cigarette box conveying system according to any one of claims 1 to 11, characterized in that: The detection device comprises a photographing device, and when the blocking device (3) blocks the tray (1), the photographing device takes a photo of the cigarette box (A) on the tray (1) to detect the placement status of the cigarette box (A).

13. A cigarette box production line, characterized in that: Comprising a cigarette box conveying system as claimed in any one of claims 1 to 12.

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