Bidirectional turnover device for tobacco box

Abstract

The application discloses a bidirectional turnover device for a tobacco box, which comprises a conveyor, a fixing assembly, a turnover assembly, a driving assembly and a control assembly. The fixing assembly is arranged on the conveyor and comprises guide rods, the two ends of each guide rod are connected with the side walls of the conveyor, and the guide rods are arranged at intervals along the conveying direction of the conveyor. The turnover assembly comprises a plurality of turnover vertical rods, a plurality of turnover horizontal rods and connecting rods, the turnover vertical rods are connected with the turnover horizontal rods perpendicularly, the connecting rods are connected with the connecting parts of the plurality of turnover horizontal rods and the plurality of turnover vertical rods respectively, the length direction of the turnover horizontal rods is perpendicular to the conveying direction of the conveyor, the length direction of the connecting rods is parallel to the conveying direction of the conveyor, the connecting rods are located below the guide rods and abut against the guide rods, the driving assembly is connected with the connecting rods, and the control assembly is connected with the driving assembly. The application can reduce the labor intensity and production cost of the operators and improve the work efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cigarette case conveying, in particular to a cigarette case bidirectional turnover device. BACKGROUND

[0002] Cigarette production is a typical flow production, and the conveying of finished cigarette cases is an important link in the production process for the storage and retrieval of finished products. During the conveying process, the finished cigarette cases are turned over and their directions are adjusted according to the situation. The turnover of the cigarette case refers to turning over the cigarette case from a lying posture to a standing posture, or turning over the cigarette case from a standing posture to a lying posture.

[0003] In actual production, if the cigarette cases are turned over by manual work only, a large amount of manpower and material resources will be consumed, which reduces the work efficiency of the logistics system and increases the consumption of materials.

[0004] Therefore, how to provide a cigarette case bidirectional turnover device has become a technical problem to be solved in the field. SUMMARY

[0005] An object of the present application is to provide a new technical solution for a cigarette case bidirectional turnover device.

[0006] According to a first aspect of the present application, a cigarette case bidirectional turnover device is provided, comprising a conveyor, a fixing assembly, a turnover assembly, a driving assembly and a control assembly.

[0007] The fixing assembly is arranged on the conveyor, and the fixing assembly comprises a guide rod, both ends of the guide rod are connected with the side walls of the conveyor, and the guide rod is arranged along the conveying direction of the conveyor;

[0008] The turnover assembly comprises a plurality of turnover vertical rods, a plurality of turnover horizontal rods and a connecting rod, the turnover vertical rods are connected perpendicularly with the turnover horizontal rods, the connecting rod is connected with the connection portions of the plurality of turnover horizontal rods and the plurality of turnover vertical rods, respectively, the length direction of the turnover horizontal rods is perpendicular to the conveying direction of the conveyor, the length direction of the connecting rod is parallel to the conveying direction of the conveyor, the connecting rod is located below the guide rod and abuts against the guide rod;

[0009] The driving assembly is connected with the connecting rod and is used for driving the connecting rod to rotate;

[0010] The control assembly is connected with the driving assembly, and the control assembly is used for detecting the position of the cigarette case and controlling the driving assembly to start and stop.

[0011] Optionally, the fixing assembly further comprises a first fixing plate and a second fixing plate, the first fixing plate and the second fixing plate are arranged on the side wall of the conveyor respectively, and the first fixing plate and the second fixing plate are connected with two ends of the guide rod respectively.

[0012] Optionally, the overturning assembly further comprises a plurality of support rods, the first end of the support rod is connected with the connecting position of the overturning horizontal rod and the overturning vertical rod, the second end of the support rod is connected with the connecting rod, and the angle between the support rod and the overturning horizontal rod and the overturning vertical rod is obtuse.

[0013] Optionally, the overturning assembly further comprises a fixing block and a telescopic rod, the fixing block is fixed on the first fixing plate, the first end of the telescopic rod is movably connected with the fixing block, and the second end of the telescopic rod is movably connected with the overturning vertical rod.

[0014] Optionally, the driving assembly comprises a driving cylinder and a connecting shaft, the driving cylinder is fixed on the second fixing plate, the output shaft of the driving cylinder is connected with the first end of the connecting shaft, and the second end of the connecting shaft is connected with the middle position of the connecting rod.

[0015] Optionally, the angle between the connecting shaft and the support rod is less than 108 degrees.

[0016] Optionally, the control assembly comprises a controller and a first photoelectric switch, the first photoelectric switch is arranged on the side wall of the conveyor, the first photoelectric switch is arranged at the position corresponding to the center position of the connecting rod on the side wall of the conveyor, and the controller is connected with the first photoelectric switch and the driving assembly respectively.

[0017] Optionally, the control assembly further comprises a second photoelectric switch, the second photoelectric switch is electrically connected with the controller, the second photoelectric switch is arranged on the side wall of the conveyor, and the second photoelectric switch is arranged below the first photoelectric switch along the conveying direction of the conveyor, and the second photoelectric switch is used for detecting the tobacco box.

[0018] The beneficial effects of the present application are as follows:

[0019] The application is characterized in that two ends of the guide rod are connected with the side walls of the conveyor respectively, and the guide rod is arranged along the conveying direction of the conveyor; the turnover vertical rod is connected with the turnover horizontal rod perpendicularly, the connecting rod is connected with the connecting positions of the plurality of turnover horizontal rods and the plurality of turnover vertical rods respectively, the length direction of the turnover horizontal rod is perpendicular to the conveying direction of the conveyor, the length direction of the connecting rod is parallel to the conveying direction of the conveyor, and the connecting rod is rotationally connected with the guide rod; the driving assembly is connected with the connecting rod, and the control assembly is connected with the driving assembly.

[0020] Other features of the present application, and their advantages, will become apparent in also in the light of the following detailed description of exemplary embodiments of the application. BRIEF DESCRIPTION OF DRAWINGS

[0021] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and, together with the description, serve to explain the principles of the application.

[0022] Figure 1 FIG. 1 is a structural diagram of a two-way turnover device for a tobacco box according to the present application;

[0023] Figure 2 FIG. 2 is a side view of the two-way turnover device for the tobacco box according to the present application;

[0024] Figure 3 FIG. 3 is a schematic diagram of the two-way turnover device for the tobacco box according to the present application turning over the tobacco box;

[0025] Figure 4 FIG. 4 is a structural schematic diagram of the two-way turnover device for the tobacco box according to the present application turning over the tobacco box.

[0026] In the drawings, the following signs are indicated: 1, conveyor; 11, conveying roller; 2, fixing assembly; 21, guide rod; 22, first fixing plate; 23, second fixing plate; 3, turnover assembly; 31, turnover vertical rod; 32, turnover horizontal rod; 33, connecting rod; 34, support rod; 35, fixing block; 36, telescopic rod; 4, driving assembly; 41, driving cylinder; 42, connecting shaft; 5, tobacco box. DETAILED DESCRIPTION

[0027] Various exemplary embodiments of the present application will now be described in detail with reference to the drawings. Note that the relative arrangement of the components and steps illustrated in these embodiments, numerical expressions, and numerical values are merely examples, and do not limit the scope of the present application unless specifically stated otherwise.

[0028] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the scope of the application its application or uses.

[0029] Techniques, methods, and apparatus known to those of ordinary skill in the relevant art can not be discussed in detail herein, but should be considered as part of the specification, where appropriate.

[0030] In all examples shown and discussed herein, any specific values should be interpreted as merely illustrative, and not as a limitation. Thus, other examples of the exemplary embodiments can have different values.

[0031] As Figures 1 to 4 shown, the embodiment of the present application provides a bidirectional turnover device for a tobacco box, comprising a conveyor 1, a fixing assembly 2, a turnover assembly 3, a driving assembly 4, and a control assembly.

[0032] The fixing assembly 2 is arranged on the conveyor 1, and the fixing assembly 2 comprises guide rods 21, both ends of each guide rod 21 being connected to the side walls of the conveyor 1, and the guide rods 21 being arranged along the conveying direction of the conveyor 1.

[0033] The turnover assembly 3 comprises a plurality of turnover vertical rods 31, a plurality of turnover horizontal rods 32, and connecting rods 33, the turnover vertical rods 31 being connected perpendicularly to the turnover horizontal rods 32, the connecting rods 33 being connected to the connection portions of the plurality of turnover horizontal rods 32 and the plurality of turnover vertical rods 31, respectively, the length direction of the turnover horizontal rods 32 being perpendicular to the conveying direction of the conveyor 1, the length direction of the connecting rods 33 being parallel to the conveying direction of the conveyor 1, the connecting rods 33 being arranged below the guide rods 21 and abutting against the guide rods 21.

[0034] The driving assembly 4 is connected to the connecting rods 33, and is configured to drive the connecting rods 33 to rotate.

[0035] The control assembly is connected to the driving assembly 4, and is configured to detect the position of the tobacco box 5 and control the driving assembly 4 to open and close.

[0036] In this embodiment, the turnover vertical rods 31 and the turnover horizontal rods 32 are both three, the three turnover vertical rods 31 being connected to the three turnover horizontal rods 32, respectively, to form two turnover surfaces, when the tobacco box 5 is conveyed to the turnover vertical rods 31 or the turnover horizontal rods 32 by the conveyor 1, the connecting rods 33 are driven to rotate by the driving assembly 4, so that the turnover of the two turnover surfaces can be realized, and the tobacco box 5 can be overturned.

[0037] Moreover, the conveying machine 1 is provided with a plurality of conveying rollers 11, and the turnover cross bars 32 are arranged between two adjacent conveying rollers 11, so that the conveying process of the conveying machine 1 is not affected. The guide rods 21 are located below the conveying rollers 11 and abut against the connecting rods 33, so that the connecting rods 33 are limited, and the connecting rods 33 are prevented from moving excessively to contact the conveying rollers 11 and cause damage to the conveying rollers 11.

[0038] Moreover, the length of the turnover cross bar 32 is greater than the length of the turnover vertical rod 31, and the length of the turnover vertical rod 31 is less than the distance between the connecting position of the turnover cross bar 32 and the turnover vertical rod 31 and the side wall of the conveying machine 1.

[0039] In use, as shown in Figures 3 to 4 the position of the tobacco box 5 is detected by the control assembly, when the conveying machine 1 conveys the tobacco box 5 to the turnover cross bar 32, the control assembly controls the driving assembly 4 to be turned on, the driving assembly 4 drives the connecting rod 33 to move, the connecting rod 33 moves while driving a plurality of turnover cross bars 32 and a plurality of turnover vertical rods 31 to rotate by 90 degrees, so that the tobacco box 5 on the turnover cross bar 32 is turned from a lying posture to a standing posture, or the tobacco box 5 on the turnover cross bar 32 is turned from a standing posture to a lying posture.

[0040] It should be noted that the tobacco box bidirectional turnover device of the present application turns the tobacco box 5 in the width direction of the conveying machine 1, while the prior art turns the tobacco box 5 in the length direction (the conveying direction of the tobacco box 5) of the conveying machine 1.

[0041] In the present application, the two ends of the guide rod 21 are connected with the side walls of the conveying machine 1, and the guide rod 21 is arranged in the conveying direction of the conveying machine 1; the turnover vertical rod 31 is perpendicularly connected with the turnover cross bar 32, the connecting rod 33 is connected with the connecting positions of the plurality of turnover cross bars 32 and the plurality of turnover vertical rods 31, the length direction of the turnover cross bar 32 is perpendicular to the conveying direction of the conveying machine 1, the length direction of the connecting rod 33 is parallel to the conveying direction of the conveying machine 1, and the connecting rod 33 is rotationally connected with the guide rod 21; the driving assembly 4 is connected with the connecting rod 33, and the control assembly is connected with the driving assembly 4. In use, the position of the tobacco box 5 is detected by the control assembly, when the conveying machine 1 conveys the tobacco box 5 to the turnover cross bar 32, the control assembly controls the driving assembly 4 to be turned on, the driving assembly 4 drives the connecting rod 33 to move, the connecting rod 33 moves while driving a plurality of turnover cross bars 32 and a plurality of turnover vertical rods 31 to rotate by 90 degrees, so that the tobacco box 5 on the turnover cross bar 32 is turned from a lying posture to a standing posture, or the tobacco box 5 on the turnover cross bar 32 is turned from a standing posture to a lying posture, the present application can reduce the labor intensity of the operator and the production cost, and also improve the work efficiency.

[0042] In one embodiment of the tobacco box bidirectional turnover device of the present application, as shown inFigures 1 to 2 As shown in the figure, the fixing assembly 2 further comprises a first fixing plate 22 and a second fixing plate 23, which are respectively arranged on the side walls of the conveyor 1 and are respectively connected with the two ends of the guide rod 21.

[0043] Specifically, the first fixing plate 22 and the second fixing plate 23 can be fixed on the side walls of the conveyor 1 by means of bolts, buckles or the like, so that the first fixing plate 22 and the second fixing plate 23 can be stably arranged on the conveyor 1, and the guide rod 21 can be stably installed on the first fixing plate 22 and the second fixing plate 23 to limit the connecting rod 33.

[0044] In one embodiment of the bidirectional turnover device for the tobacco box, as shown in the figure, Figures 1 to 2 As shown in the figure, the turnover assembly 3 further comprises a plurality of support rods 34, the first ends of the support rods 34 are connected with the connecting positions of the turnover cross rod 32 and the turnover vertical rod 31, the second ends of the support rods 34 are connected with the connecting rod 33, and the angle between the support rods 34 and the turnover cross rod 32 and the turnover vertical rod 31 is obtuse.

[0045] Specifically, the support rods 34 are arranged obliquely, so that the connecting rod 33 can be arranged below the guide rod 21 by connecting the support rods 34 with the connecting rod 33.

[0046] According to the present application, the first ends of the support rods 34 are connected with the connecting positions of the turnover cross rod 32 and the turnover vertical rod 31, the second ends of the support rods 34 are connected with the connecting rod 33, and the angle between the support rods 34 and the turnover cross rod 32 and the turnover vertical rod 31 is obtuse, so that when the connecting rod 33 is moved by the driving assembly 4, the turnover cross rod 32 and the turnover vertical rod 31 can be stably rotated.

[0047] In one embodiment of the bidirectional turnover device for the tobacco box, as shown in the figure, Figures 1 to 2 As shown in the figure, the turnover assembly 3 further comprises a fixing block 35 and a telescopic rod 36, the fixing block 35 is fixed on the first fixing plate 22, the first end of the telescopic rod 36 is movably connected with the fixing block 35, and the second end of the telescopic rod 36 is movably connected with the turnover vertical rod 31.

[0048] Specifically, as shown in the figure, Figure 3As shown in (a) to (e) in the figure, when it is needed to turn the cigarette case 5 from the lying posture to the standing posture, the control assembly detects the cigarette case 5 in the process that the conveyor 1 conveys the cigarette case 5 to the turnover cross rod 32, and then controls the driving assembly 4 to drive the connecting rod 33 to move downwards. At this time, the connecting rod 33 drives the turnover cross rod 32 and the turnover vertical rod 31 to rotate downwards in the process of moving, the turnover vertical rod 31 gradually compresses the telescopic rod 36 in the process of rotating downwards, and the position of the telescopic rod 36 is changed. When the connecting rod 33 drives the plurality of turnover cross rods 32 and the plurality of turnover vertical rods 31 to rotate by 90 degrees, the telescopic rod 36 is kept horizontal with the turnover vertical rod 31.

[0049] When it is needed to turn the cigarette case 5 from the standing posture to the lying posture, the control assembly detects the cigarette case 5 in the process that the conveyor 1 conveys the cigarette case 5 to the turnover cross rod 32, and then controls the driving assembly 4 to drive the connecting rod 33 to move upwards. At this time, the connecting rod 33 drives the turnover cross rod 32 and the turnover vertical rod 31 to rotate upwards in the process of moving, the turnover vertical rod 31 gradually stretches the telescopic rod 36 in the process of rotating upwards, and the position of the telescopic rod 36 is changed. When the connecting rod 33 drives the plurality of turnover cross rods 32 and the plurality of turnover vertical rods 31 to rotate by 90 degrees, the angle between the telescopic rod 36 and the turnover vertical rod 31 is an acute angle.

[0050] The first end of the telescopic rod 36 is movably connected with the fixed block 35, the second end of the telescopic rod 36 is movably connected with the turnover vertical rod 31, and the turnover cross rod 32 and the turnover vertical rod 31 can be more stably rotated through the telescopic rod 36. Figures 1 to 2 The first end of the telescopic rod 36 is movably connected with the fixed block 35, the second end of the telescopic rod 36 is movably connected with the turnover vertical rod 31, and the turnover cross rod 32 and the turnover vertical rod 31 can be more stably rotated through the telescopic rod 36.

[0051] It should be noted that the number of the telescopic rod 36 can be one or multiple, which is not limited herein.

[0052] In an embodiment of the bidirectional turnover device for the cigarette case, as shown in the figure, Figures 1 to 4 The driving assembly 4 comprises a driving cylinder 41 and a connecting shaft 42, the driving cylinder 41 is fixed on the second fixed plate 23, the output shaft of the driving cylinder 41 is connected with the first end of the connecting shaft 42, and the second end of the connecting shaft 42 is connected with the middle position of the connecting rod 33.

[0053] The driving cylinder 41 is fixed on the second fixed plate 23, the output shaft of the driving cylinder 41 is connected with the first end of the connecting shaft 42, and the second end of the connecting shaft 42 is connected with the middle position of the connecting rod 33, the connecting rod 33 is driven to move through the driving cylinder 41, and the turnover efficiency of the turnover cross rod 32 and the turnover vertical rod 31 is effectively improved.

[0054] In an embodiment of the bidirectional turnover device for the tobacco box, the angle between the connecting shaft 42 and the supporting rod 34 is less than 108 degrees.

[0055] Specifically, when the driving cylinder 41 is contracted to the shortest, the angle between the connecting shaft 42 and the supporting rod 34 is ensured to be less than 108 degrees, so that the driving cylinder 41 can work stably.

[0056] In an embodiment of the bidirectional turnover device for the tobacco box, the control assembly comprises a controller and a first photoelectric switch, the first photoelectric switch is arranged on the side wall of the conveyor 1, and the first photoelectric switch is arranged at a position corresponding to the center of the connecting rod 33 on the side wall of the conveyor 1, and the controller is connected with the first photoelectric switch and the driving assembly 4 respectively.

[0057] Specifically, the first photoelectric switch is arranged at a position corresponding to the center of the connecting rod 33 on the side wall of the conveyor 1, when the first photoelectric switch detects the tobacco box 5, at this time, the top of the tobacco box 5 reaches the center of the connecting rod 33; the first photoelectric switch transmits the detection information to the controller, and the controller controls the driving cylinder 41 to start, since the tobacco box 5 has a certain speed under the conveying of the conveyor 1, and the conveying speed of the conveyor 1 is slow, in the process that the driving cylinder 41 drives the turnover horizontal rod 32 and the turnover vertical rod 31, the tobacco box 5 will not move out of the turnover horizontal rod 32, and at least most of the tobacco boxes 5 can be ensured to be located on the turnover horizontal rod 32.

[0058] It should be noted that the operator can adjust the position of the first photoelectric switch according to the speed of the conveyor 1, so that the tobacco box 5 can be located on the turnover horizontal rod 32.

[0059] According to the bidirectional turnover device for the tobacco box, the first photoelectric switch is arranged on the side wall of the conveyor 1, and the first photoelectric switch is arranged at a position corresponding to the center of the connecting rod 33 on the side wall of the conveyor 1, the controller is connected with the first photoelectric switch and the driving assembly 4 respectively, then the position of the tobacco box 5 is identified by the first photoelectric switch, and the driving cylinder 41 is driven by the controller, so that the automation and the intelligence of the bidirectional turnover device for the tobacco box are realized.

[0060] In an embodiment of the bidirectional turnover device for the tobacco box, the control assembly further comprises a second photoelectric switch, the second photoelectric switch is electrically connected with the controller, the second photoelectric switch is arranged on the side wall of the conveyor 1, and the second photoelectric switch is located below the first photoelectric switch in the conveying direction of the conveyor 1, and the second photoelectric switch is used for detecting the tobacco box 5.

[0061] Specifically, the height between the second photoelectric switch and the conveyor 1 is greater than the height of the tobacco box 5 and less than the length of the tobacco box 5.

[0062] Further, the second photoelectric switch judges whether the tobacco case 5 is successfully turned over by whether the tobacco case 5 can be detected.

[0063] If the tobacco case bidirectional turning device of the application turns the tobacco case 5 from the lying posture to the standing posture, when the second photoelectric switch can detect the tobacco case 5, it indicates that the tobacco case 5 is turned from the lying posture to the standing posture. When the second photoelectric switch cannot detect the tobacco case 5, it indicates that the tobacco case 5 fails to be turned over, at this time, the second photoelectric switch transmits the signal to the controller, the controller controls the conveyor 1 to stop working and sends the alarm to remind the operator.

[0064] If the tobacco case bidirectional turning device of the application turns the tobacco case 5 from the lying posture to the standing posture, when the second photoelectric switch can detect the tobacco case 5, it indicates that the tobacco case 5 is turned from the lying posture to the standing posture. When the second photoelectric switch cannot detect the tobacco case 5, it indicates that the tobacco case 5 fails to be turned over, at this time, the second photoelectric switch transmits the signal to the controller, the controller controls the conveyor 1 to stop working and sends the alarm to remind the operator.

[0065] The application can detect the turning result of the tobacco case 5 through the second photoelectric switch which is electrically connected with the controller and is arranged on the side wall of the conveyor 1 and is below the first photoelectric switch along the conveying direction of the conveyor 1.

[0066] Although some specific embodiments of the application have been described in detail by examples, those skilled in the art should understand that the above examples are only for illustration and are not intended to limit the scope of the application. Those skilled in the art should understand that the above embodiments can be modified without departing from the scope and spirit of the application. The scope of the application is defined by the appended claims.

Claims

1. A baffle box bidirectional turnover device, characterized in that, The utility model relates to a kind of cigarette box conveying device, including: Conveyor, fixed component, turnover component, driving assembly and control assembly; The fixed component is arranged on the conveyor, and the fixed component includes guide rod, both ends of the guide rod are connected with the side wall of the conveyor respectively, and the guide rod is spaced along the conveying direction of the conveyor; The turnover component includes a plurality of turnover vertical rods, a plurality of turnover horizontal rods and connecting rods, the turnover vertical rods are connected perpendicularly with the turnover horizontal rods, the connecting rods are connected with the connecting portions of the plurality of turnover horizontal rods and the plurality of turnover vertical rods respectively, the length direction of the turnover horizontal rods is perpendicular to the conveying direction of the conveyor, the length direction of the connecting rods is parallel to the conveying direction of the conveyor, the connecting rods are located below the guide rods and abut against the guide rods; The driving assembly is connected with the connecting rods for driving the connecting rods to rotate; The control assembly is connected with the driving assembly, and the control assembly is used for detecting the position of the cigarette box and controlling the driving assembly to open and close; The fixed component further includes a first fixed plate and a second fixed plate, the first fixed plate and the second fixed plate are arranged on the side wall of the conveyor respectively, and the first fixed plate and the second fixed plate are connected with both ends of the guide rod respectively; The turnover component further includes a fixed block and an extension rod, the fixed block is fixed on the first fixed plate, the first end of the extension rod is movably connected with the fixed block, and the second end of the extension rod is movably connected with the turnover vertical rod; The driving assembly includes a driving cylinder and a connecting shaft, the driving cylinder is fixed on the second fixed plate, the output shaft of the driving cylinder is connected with the first end of the connecting shaft, and the second end of the connecting shaft is connected with the middle position of the connecting rod.

2. The smoke box two-way tipping device of claim 1, wherein, The turnover component further includes a plurality of support rods, the first end of the support rod is connected with the connecting portion of the turnover horizontal rod and the turnover vertical rod, the second end of the support rod is connected with the connecting rod, and the angle between the support rod and the turnover horizontal rod and the turnover vertical rod is obtuse.

3. The smoke box two-way tipping device of claim 2, wherein, The angle between the connecting shaft and the support rod is less than 108 degrees.

4. The smoke box two-way tipping device of claim 1, wherein, The control assembly includes a controller and a first photoelectric switch, the first photoelectric switch is arranged on the side wall of the conveyor, and the first photoelectric switch is arranged at the position where the center position of the connecting rod is mapped to the side wall of the conveyor, and the controller is connected with the first photoelectric switch and the driving assembly respectively.

5. The smoke box two-way tipping device of claim 4, wherein, The control assembly further includes a second photoelectric switch, the second photoelectric switch is electrically connected with the controller, the second photoelectric switch is arranged on the side wall of the conveyor, and the second photoelectric switch is located below the first photoelectric switch along the conveying direction of the conveyor, and the second photoelectric switch is used for detecting the cigarette box.

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