A crease detection device for cigarette carton

Abstract

The present invention belongs to the technical field of detection equipment, and specifically relates to a crease detection device for cigarette strip boxes, comprising a transmission mechanism, a testing mechanism and two transmission components, the two transmission components having the same structure and being respectively installed on both sides of the transmission mechanism, the testing mechanism being installed on the two transmission components, the testing mechanism comprising an outer shell, a cover plate, a first sliding component, a second sliding component and a control panel, the first sliding component and the second sliding component being both installed in the outer shell, the first sliding component and the second sliding component having the same structure, the control panel being electrically connected to the first sliding component and the second sliding component, and being used to solve the problem that the crease detection upon entry into the factory is generally carried out by inspectors using a film ruler to see whether it meets the standards, but the problem that the manual inspection using a film ruler results in a large number of inspections, which leads to a long working time for inspectors, and long working times easily lead to reduced inspection efficiency of inspectors.

Description

Technical Field

[0001] The invention belongs to the technical field of detection equipment, and in particular relates to a crease detection device for a cigarette carton. Background Art

[0002] With the development of the economy, the tobacco industry has also flourished. While paying attention to the quality of tobacco, the packaging boxes of cigarettes have also received more and more attention.

[0003] After cigarettes are packaged, they are usually put into strip boxes, which are usually packed in 10-packs. Strip boxes are usually hard boxes. Strip boxes are also mechanically pressed to create marks, which are then folded along the corresponding marks and finally folded into the shape of the strip box along the indentations. During the folding process, if the depth and width of the creases do not meet the corresponding standards, it is not easy to fold into a regular strip box, and when in use, it is not easy to insert or remove the wrapping paper at both ends. Therefore, when the wrapping paper of the strip box enters the factory, the depth and width of the creases are tested to see if they meet the standards. Currently, the crease inspection at the time of entry into the factory is generally done by inspectors using a film ruler to see if they meet the standards. However, manual inspection using a film ruler requires a large number of tests, which results in long working hours for inspectors, and long working hours can easily lead to reduced inspection efficiency. Summary of the Invention

[0004] The purpose of the present invention is to provide a crease detection device for cigarette cartons, which is used to solve the problem that the crease detection when cigarettes enter the factory is generally carried out by inspectors using a film ruler to test whether they meet the standards. However, the manual inspection using a film ruler requires a large number of inspections, which leads to long working hours for inspectors and a reduction in inspection efficiency.

[0005] In order to achieve the above technical objectives, the technical solutions adopted by the present invention are as follows:

[0006] 14. The repairing kit for automotive dents, according to claim 13, wherein a bottom of the foot stand comprises a through-hole, and the two foot pieces comprise two bosses, wherein the bosses comprise a through-hole, a screw bolt, and a nut. The through-hole comprises a first end, and a second end, and a second end. The bosses comprise a through-hole, a screw bolt, and a nut. The through-hole comprises a first end, and a second end. The bosses comprise a first end, and a second end. The gears are connected to each other via a plurality of gears, and the plurality of gears are connected to each other via a plurality of gears, and the plurality of gears are connected to each other via a plurality of gears.

[0007] It is further defined that four receiving tubes are fixedly installed around the transmitting tube of the laser rangefinder, and the transmitting tube and the receiving tube are both located in the second through groove. This arrangement allows the receiving tube to receive as much laser light emitted by the transmitting tube as possible, thereby more accurately measuring the depth and width of the crease.

[0008] It is further defined that stoppers are fixedly installed on both sides of the sliding plate and the rack, so as to prevent the rack and the gear from slipping off.

[0009] It is further defined that two warning lights are fixedly installed on the outer shell, one warning light is red and the other is green, and both warning lights are electrically connected to the control panel. In this way, when the crease meets the standard, the green warning light lights up, and when the crease does not meet the standard, the red warning light lights up, reminding the staff to remove the unqualified packaging paper.

[0010] It is further defined that a rubber block is fixedly provided at the bottom of the shell, and connecting grooves are opened on the rubber block at the positions of the second through groove and the third through groove, and the connecting groove is connected with the second through groove and the third through groove. This arrangement, on the one hand, avoids affecting the operation of the laser rangefinder, and on the other hand, when the testing mechanism moves downward and offsets against the unfolded strip box, it plays a buffering role, avoiding direct contact between the transmitting tube and the receiving tube of the laser rangefinder and the strip box, which affects the service life of the laser rangefinder.

[0011] It is further defined that the transmission mechanism includes a base plate, four mounting plates, two rotating shafts and a first belt, the four mounting plates are fixedly mounted on the base plate opposite to each other, the two rotating shafts are rotatably mounted between the two opposing mounting plates, the first belt is tensioned on the two rotating shafts, the base plate is fixedly mounted with a first motor, the output shaft of the first motor is fixedly connected to a first transmission rod, two first support plates are fixedly mounted on the base plate, the two ends of the first transmission rod pass through the two first support plates respectively, a first turntable is mounted on one end of the first transmission rod, one end of one of the rotating shafts is fixedly mounted with a linkage rod outside the mounting plate, a second turntable is fixedly mounted on the linkage rod, and tension is maintained between the first turntable and the second turntable. There is a second belt, and the transmission assembly includes two cams, a mounting shell and a transmission plate. The mounting shell is fixedly mounted on the base plate, and the transmission plate is slidably mounted in the mounting shell. A first through slot is provided on the mounting shell, and the two ends of the first transmission rod respectively pass through the first through slots on the two mounting shells. The two cams are respectively mounted on the two ends of the first transmission rod and are against one end of the transmission plate. This arrangement enables the start-up of the first motor to control the movement of the unfolded strip box on the first belt, and at the same time can control the movement of the test mechanism driven by the transmission plate, so that when the unfolded strip box moves to the bottom of the test mechanism, the rubber block on the test mechanism just against the unfolded strip box, which is convenient for testing, and is driven by one motor, saving resources.

[0012] It is further defined that a first mounting groove is provided at both ends of the first transmission rod, a first clamping strip is fixedly mounted on the first turntable, and a second clamping strip is fixedly mounted on the cam. With this arrangement, the first clamping strip and the second clamping strip are clamped in the first mounting groove, which facilitates the installation of the first turntable and the cam as well as their subsequent disassembly and maintenance.

[0013] It is further defined that a bearing plate is integrally formed at one end of the movable plate, and the area of the bearing plate is larger than the opening width of the mounting shell. This arrangement, on the one hand, facilitates the installation of the transmission plate, and on the other hand, increases the contact area with the test mechanism, thereby facilitating the installation of the test mechanism.

[0014] It is further defined that a first baffle and a second baffle are fixedly mounted on the base plate on both sides of the first belt, and the first baffle and the second baffle are respectively located on both sides of the transmission assembly. In this arrangement, the first baffle and the second baffle are fixedly mounted on the base plate, so that the unfolded strip box will not accidentally slip when moving with the first belt.

[0015] The invention adopting the above technical solution has the following advantages:

[0016] 1. A first sliding assembly and a second sliding assembly are installed in the outer shell of the testing mechanism. The first sliding assembly and the second sliding assembly have the same structure. A laser rangefinder is installed on the sliding plates of the sliding assembly. The first sliding assembly, the second sliding assembly and the laser rangefinder are all electrically connected to the control panel. Driven by the first sliding assembly and the second sliding assembly, the laser rangefinder can test the creases on the entire strip box conveniently and quickly, and judge whether it is qualified through the control panel. The control panel is also electrically connected to two warning lights. When the overall quality is qualified, the green light is on, and when it is unqualified, the red light is on, reminding the staff to remove the unqualified products. The whole process is simple and convenient, which greatly improves the efficiency of the staff and reduces the workload.

[0017] 2. The first motor is activated to control the movement of the unfolded carton on the first belt, and simultaneously to control the movement of the testing mechanism driven by the transmission plate. When the unfolded carton moves directly under the testing mechanism, the rubber block on the testing mechanism just contacts the unfolded carton, facilitating testing. Furthermore, the system is driven by a single motor, saving resources.

[0018] 3. By installing four receiving tubes around the transmitting tube of the laser rangefinder, the receiving tubes can receive as much laser light as possible, thus more accurately measuring the depth and width of the crease.

[0019] 4. A rubber block is fixedly provided at the bottom of the housing, and connecting grooves are opened on the rubber block at the positions of the second through groove and the third through groove. The connecting grooves are connected to the second through groove and the third through groove. On the one hand, it avoids affecting the operation of the laser rangefinder. On the other hand, when the test mechanism moves downward and offsets the unfolded strip box, it plays a buffering role, avoiding direct contact between the transmitting tube and the receiving tube of the laser rangefinder and the strip box, which affects the service life of the laser rangefinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

[0021] Figure 1 A schematic diagram of the structure of an embodiment of a crease detection device for a cigarette carton according to the present invention Figure 1 ;

[0022] Figure 2 A schematic diagram of the structure of an embodiment of a crease detection device for a cigarette carton according to the present invention Figure 2 ;

[0023] Figure 3 This is a schematic cross-sectional view of an embodiment of a crease detection device for a cigarette carton box according to the present invention;

[0024] Figure 4 for Figure 3 Schematic diagram of the enlarged structure at A in the middle;

[0025] Figure 5 for Figure 3 Schematic diagram of the enlarged structure at B in the middle;

[0026] Figure 6 This is a schematic structural diagram of a test assembly without a cover in an embodiment of a crease detection device for a cigarette carton of the present invention;

[0027] Figure 7 This is a schematic diagram of the outer shell structure of a test assembly in an embodiment of a crease detection device for cigarette cartons of the present invention;

[0028] Figure 8 This is a schematic structural diagram of a rack portion in an embodiment of a crease detection device for a cigarette carton box according to the present invention;

[0029] The main component symbols are described as follows:

[0030] Transmission mechanism 1, base plate 11, mounting plate 12, rotating shaft 13, first belt 14, first baffle 15, second baffle 151, linkage rod 16, second turntable 17, first motor 18, first turntable 181, first clip 182, second belt 19

[0031] Mounting shell 2, first through slot 21, transmission plate 22, bearing plate 23, first transmission rod 24, first mounting slot 241, first supporting plate 25, cam 26, second clip 261

[0032] Testing mechanism 3, housing 31, bolts 311, cover 32, control panel 33, warning light 34, second motor 35, second support plate 351, second transmission rod 36, gear 37, sliding plate 38, rack 381, block 382, slider 383, laser rangefinder 384, transmitting tube 385, receiving tube 386, rubber block 39, connecting groove 391, first slide groove 301, second through groove 302, second slide groove 303, third through groove 304, collection box 4. DETAILED DESCRIPTION

[0033] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that in the drawings or descriptions, similar or identical parts are numbered the same. Implementations not shown or described in the drawings are forms known to those of ordinary skill in the art. In addition, directional terms mentioned in the embodiments, such as "upper," "lower," "top," "bottom," "left," "right," "front," and "back," are merely references to the directions in the drawings and are not intended to limit the scope of protection of the present invention.

[0034] like Figures 1 to 8 As shown, a crease detection device for cigarette strip boxes of the present invention includes a transmission mechanism 1, a testing mechanism 3 and two transmission components. The two transmission components have the same structure and are respectively installed on both sides of the transmission mechanism 1. The testing mechanism 3 is installed on the two transmission components. A collection box 4 is also placed at one end of the transmission mechanism 1 for collecting strip boxes that have been tested and meet the requirements.

[0035] The transmission mechanism 1 includes a base plate 11, four mounting plates 12, two rotating shafts 13, and a first belt 14. The four mounting plates 12 are fixedly mounted on the base plate 11 in opposing relation. The two rotating shafts 13 are rotatably mounted between the two opposing mounting plates 12. The first belt 14 is tensioned on the two rotating shafts 13. A first motor 18 is fixedly mounted on the base plate 11. A first transmission rod 24 is fixedly connected to the output shaft of the first motor 18. Two first support plates 25 are fixedly mounted on the base plate 11. The ends of the first transmission rod 24 pass through the two first support plates 25, respectively. Both ends of the first transmission rod 24 are defined by first mounting slots 241. A first turntable 181 is mounted on one end of the first transmission rod 24. A first clip 182 is fixedly mounted on the first turntable 181. The first clip 182 is engaged in the first mounting slot 241, enabling the first motor 18 to drive the first turntable 181 to rotate. One end of one of the rotating shafts 13 is fixedly mounted on the outside of the mounting plate 12 with a linkage rod 16. A second turntable 17 is fixedly mounted on the linkage rod 16. A second belt 19 is tensioned between the first turntable 181 and the second turntable 17. The first motor 18 is activated, driving the first turntable 181 to rotate. The rotation of the first turntable 181 drives the second belt 19, thereby driving the rotating shaft 13 and, in turn, the first belt 14. A first baffle 15 and a second baffle 151 are fixedly mounted on both sides of the first belt 14 on the bottom plate 11. The first baffle 15 and the second baffle 151 are respectively located on either side of the transmission assembly. By fixing the first baffle 15 and the second baffle 151 on the bottom plate 11, the unfolded strip box will not accidentally slip when it moves with the first belt 14.

[0036] The transmission assembly includes two cams 26, a mounting housing 2, and a transmission plate 22. The mounting housing 2 is fixedly mounted on the base plate 11, and the transmission plate 22 is slidably mounted within the mounting housing 2. A first through-slot 21 is defined in the mounting housing 2, and the ends of the first transmission rod 24 extend through the first through-slots 21 of the two mounting housings 2. The two cams 26 are mounted at either end of the first transmission rod 24 and abut against one end of the transmission plate 22. The activation of the first motor 18 drives the cams 26 to rotate, thereby driving the transmission plate 22 to move up and down within the mounting housing 2, thereby driving the test mechanism 3 to move up and down with the transmission plate 22. A second clip 261 is fixedly mounted on the cam 26, which is engaged in the first mounting slot 241 via the second clip 261, facilitating the installation of the cam 26. The first motor 18 is activated to simultaneously rotate the first belt 14 and the cam 26, so that when the expanded strip box placed on the first belt 14 passes directly below the testing mechanism 3, the first motor 18 stops, and the testing mechanism 3 moves downward to exactly contact the expanded strip box, thereby testing the crease on the expanded strip box. A bearing plate 23 is integrally formed at one end of the transmission plate 22. The bearing plate 23 has an area larger than the opening width of the mounting housing 2. This not only facilitates the installation of the transmission plate 22, but also increases the contact area with the testing mechanism 3, facilitating the installation of the testing mechanism 3.

[0037] Testing mechanism 3 includes a housing 31, a cover plate 32, a first sliding assembly, a second sliding assembly, and a control panel 33. Housing 31 is mounted on two supporting plates 23 via bolts 311. Cover plate 32 is mounted on housing 31. Both the first and second sliding assemblies are mounted within housing 31. The first and second sliding assemblies have identical structures and are mounted in a cross-shaped pattern within housing 31. Control panel 33 is electrically connected to both the first and second sliding assemblies, enabling control of their operating cycles.

[0038] The housing 31 is provided with a plurality of first slots 301. A second through slot 302 is provided on one side of the first slots 301. The first slots 301 and the second through slots 302 are evenly spaced. The housing 31 is provided with a plurality of second slots 303. A third through slot 304 is provided on one side of the second slots 303. The second slots 303 and the third through slots 304 are evenly spaced and arranged at right angles to each other, aligning with the folds of the unfolded packaging box. The first sliding assembly corresponds to the position of the first slots 301, and the second sliding assembly corresponds to the position of the second slots 303.

[0039] The first sliding assembly includes a second motor 35, two second support plates 351, a second transmission rod 36, multiple gears 37, and multiple sliding plates 38. The second motor 35 is fixedly mounted within the housing 31. The two second support plates 351 are fixedly mounted within the housing 31 and positioned on either side of the first chute 301. The ends of the second transmission rod 36 rotate through the two second support plates 351, and the output shaft of the second motor 35 is fixedly connected to one end of the second transmission rod 36. The multiple sliding plates 38 are mounted on corresponding first chute 301. A slider 383 is fixedly mounted on one side of each sliding plate 38. The slider 383 is slidably mounted within the first chute 301, enabling the sliding plates 38 to move within the first chute 301. A rack 381 is fixedly mounted on the sliding plate 38. Multiple gears 37 are fixedly mounted on the second transmission rod 36 at equal intervals, with each gear 37 corresponding to the rack 381. The gears 37 mesh with the rack 381, and when activated by the second motor 35, the gears 37 rotate, thereby moving the sliding plate 38 within the first chute 301. Stoppers 382 are also fixedly mounted on both sides of the sliding plate 38 and the rack 381 to prevent the rack 381 and gear 37 from slipping. A laser rangefinder 384 is fixedly mounted on the sliding plate 38. Four receiving tubes 386 are fixedly mounted around the transmitting tube 385 of the laser rangefinder 384. Both the transmitting tube 385 and the receiving tube 386 are located within the second through-slot 302, allowing the receiving tubes 386 to receive as much laser light as possible from the transmitting tube 385, thereby more accurately measuring the depth and width of the crease. The second motor 35 is activated, driving the gear 37 to rotate. The rotation of the gear 37 drives the sliding plate 38 to move, thereby driving the laser rangefinder 384 to move within the second through slot 302, thereby detecting the depth and width of the entire fold of the unfolded strip box. The laser rangefinder 384 and the second motor 35 are both electrically connected to the control panel 33. The control panel 33 can control the activation of the second motor 35 and the opening and closing of the laser rangefinder 384, and analyze whether the depth of the entire fold is consistent and whether the depth and width of the fold meet the standards. Two warning lights 34 are also fixedly installed on the housing 31, one warning light 34 is red and the other is green. Both warning lights 34 are electrically connected to the control panel 33. When the fold meets the standards, the green warning light 34 lights up. When the fold does not meet the standards, the red warning light 34 lights up, alerting the staff. The second transmission rod 36 on the first sliding assembly is located above the second transmission rod 36 on the second sliding assembly to prevent the two second transmission rods 36 from interfering with each other.

[0040] A rubber block 39 is fixedly provided at the bottom of the shell 31. Connecting grooves 391 are opened on the rubber block 39 at the positions of the second through groove 302 and the third through groove 304. The connecting groove 391 is connected with the second through groove 302 and the third through groove 304. On the one hand, it avoids affecting the operation of the laser rangefinder 384. On the other hand, when the testing mechanism 3 moves downward and offsets against the unfolded strip box, it plays a buffering role to avoid the transmitting tube 385 and the receiving tube 386 of the laser rangefinder 384 from directly contacting the strip box, affecting the service life of the laser rangefinder 384.

[0041] In this embodiment, when in use, the unfolded strip box is placed on the first belt 14, and the first motor 18 is started. The first motor 18 starts to drive the first belt 14 to rotate, and at the same time, drives the test structure 3 to start moving down. When the unfolded strip box moves to just below the test mechanism 3, the test mechanism 3 moves down to the lowest position. At this time, the rubber block 39 is against the unfolded strip box, the first motor 18 stops working, and the laser rangefinder 384 on the first sliding assembly and the second sliding assembly is started. At the same time, the second motor 35 is started, and the second motor 35 starts to drive the gear 37 to rotate. The gear 37 rotates and drives the sliding plate 38 to move in the slide groove, and the laser rangefinder 384 moves in the through groove, thereby detecting the entire strip box. Whether the strip creases meet the standards, all the creases on the unfolded strip box are detected at the same time through the cooperation of the first sliding component and the second sliding component, which improves the detection efficiency. When all the creases meet the standards, the green warning light 34 lights up, and when there are creases that do not meet the standards, the red warning light 34 lights up; after the detection is completed, the laser rangefinder 384 stops working, the second motor 35 stops working, and the first motor 18 starts, driving the testing mechanism 3 to move upward, and at the same time, driving the first belt 14 to rotate, and the strip box after detection moves with the first belt 14. If it is a qualified product, the strip box rotates with the first belt 14 until it falls into the collection box 4. If it is an unqualified product, the staff can take it away;

[0042] As the inspection of the first unfolded strip box is completed, the testing mechanism 3 moves up, and the second unfolded strip box slowly enters under the testing mechanism 3. The testing mechanism 3 slowly moves down driven by the cam 26. When the first unfolded strip box enters the collection box 4, the second unfolded strip box just hits the rubber block 39. At this time, the laser rangefinder 384 is at the end of the through slot, and the gear 37 engages with the end of the rack 381. Then the second motor 35 rotates in the opposite direction, driving the laser rangefinder 384 and the sliding plate 38 to reset. During the resetting process, the inspection of the crease of the second unfolded strip box is completed, so that the forward and reverse rotation of the second motor 35 can drive the laser rangefinder 384 for inspection, saving time and improving work efficiency.

[0043] The above describes in detail the crease detection device for cigarette cartons provided by the present invention. The description of the specific embodiments is intended only to facilitate understanding of the method and core concepts of the present invention. It should be noted that those skilled in the art may make various improvements and modifications to the present invention without departing from the principles of the present invention, and such improvements and modifications fall within the scope of protection of the claims of the present invention.

Claims

1. A crease detection device for cigarette cartons, characterized in that: The test mechanism comprises a transmission mechanism, a test mechanism, and two transmission assemblies. The two transmission assemblies have the same structure and are respectively installed on both sides of the transmission mechanism. The test mechanism is installed on the two transmission assemblies. The test mechanism comprises a housing, a cover plate, a first sliding assembly, a second sliding assembly, and a control panel. The housing is installed on the two transmission assemblies by bolts, the cover plate is installed on the housing, and the first sliding assembly and the second sliding assembly are both installed in the housing. The first sliding assembly and the second sliding assembly have the same structure. The control panel is electrically connected to the first sliding assembly and the second sliding assembly. The housing is provided with a plurality of first sliding grooves. The housing is provided with a second through-groove on one side of the first sliding groove. The plurality of first sliding grooves and the second through-groove are evenly spaced. The housing is provided with a plurality of second sliding grooves. The housing is provided with a third through-groove on one side of the second sliding groove. The plurality of second sliding grooves and the third through-groove are evenly spaced. The plurality of second through-grooves and the third through-groove are distributed at right angles. The first sliding assembly corresponds to the position of the first slide slot, and the second sliding assembly corresponds to the position of the second slide slot, the first sliding assembly includes a second motor, two second support plates, a second transmission rod, a plurality of gears and a plurality of sliding plates, the second motor is fixedly mounted in the housing, the two second support plates are respectively fixedly mounted in the housing, and are located on one side of the first slide slot, the two ends of the second transmission rod are respectively rotatably passed through the two second support plates, the output shaft of the second motor is fixedly connected to one end of the second transmission rod, the plurality of sliding plates are respectively correspondingly mounted on the first slide slot, a slider is fixedly mounted on one side of the sliding plate, the slider is slidably mounted in the first slide slot, a rack is fixedly mounted on the sliding plate, and the plurality of gears are fixedly mounted on the second transmission rod at equal intervals, and the gears and racks correspond one to one, and the gears and racks are meshed; A laser rangefinder is fixedly mounted on the sliding plate, the laser rangefinder corresponds to the position of the second through slot, and the laser rangefinder and the second motor are both electrically connected to the control panel; The transmission mechanism includes a base plate, four mounting plates, two rotating shafts and a first belt, the four mounting plates are fixedly mounted on the base plate opposite to each other, the two rotating shafts are rotatably mounted between the two opposite mounting plates, the first belt is tensioned on the two rotating shafts, the first motor is fixedly mounted on the base plate, the output shaft of the first motor is fixedly connected to the first transmission rod, two first support plates are fixedly mounted on the base plate, the two ends of the first transmission rod are respectively passed through the two first support plates, a first turntable is mounted on one end of the first transmission rod, one end of one of the rotating shafts is fixedly mounted with a linkage rod outside the mounting plate, a second turntable is fixedly mounted on the linkage rod, and a second belt is tensioned between the first turntable and the second turntable.

2. The crease detection device for cigarette carton according to claim 1, characterized in that: Four receiving tubes are fixedly installed around the transmitting tube of the laser rangefinder, and the transmitting tube and the receiving tube are both located in the second through groove.

3. The crease detection device for cigarette carton according to claim 1, characterized in that: Two warning lights are also fixedly mounted on the housing, one of which is red and the other is green, and both of the warning lights are electrically connected to the control panel.

4. The crease detection device for cigarette carton according to claim 1, characterized in that: A rubber block is fixedly provided at the bottom of the housing. The rubber block is provided with connecting grooves at the positions of the second through groove and the third through groove. The connecting grooves are connected with the second through groove and the third through groove.

5. The crease detection device for cigarette carton according to claim 1, characterized in that: The transmission assembly includes two cams, a mounting shell and a transmission plate. The mounting shell is fixedly mounted on the base plate, and the transmission plate is slidably mounted in the mounting shell. A first through slot is provided on the mounting shell, and the two ends of the first transmission rod are respectively passed through the first through slots on the two mounting shells. The two cams are respectively mounted on the two ends of the first transmission rod and abut against one end of the transmission plate.

6. The crease detection device for cigarette carton according to claim 5, characterized in that: A bearing plate is integrally formed at one end of the transmission plate, and the area of the bearing plate is larger than the opening width of the mounting shell.

7. The crease detection device for cigarette carton according to claim 1, characterized in that: A first baffle and a second baffle are fixedly mounted on the bottom plate on both sides of the first belt, and the first baffle and the second baffle are respectively located on both sides of the transmission assembly.

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