An automatic cigarette packing device

Abstract

The application discloses a kind of cigarette automatic boxing device, and cigarette filling component has cigarette passage, and cigarette passage is located below tobacco storehouse;Cigarette passage is equipped with push cigarette tongue, and push cigarette tongue reciprocates;The slider that drive push cigarette tongue movement is fixedly connected with lower cigarette guide rail mounting strip and gear transmission strip respectively on both sides;Lower cigarette guide rail mounting strip can move back and forth, and lower cigarette guide rail is fixed on lower cigarette guide rail mounting strip, and lower cigarette guide rail has horizontal part, step part;Lower cigarette connecting rod is arranged above lower cigarette guide rail;Cigarette passage front end has rotating rod, and lower cigarette connecting rod is connected with rotating rod, and lower cigarette connecting rod end has protruding block;Rotating rod is also fixedly installed with flap, and flap is arranged on cigarette filling port upper end;When protruding block and step part are attached, flap is horizontal state;Gear transmission strip is driven by transmission assembly and reciprocates back and forth.The application compared with old edition equipment operation degree of automation is high, and it is more convenient to operate and more efficient, and also reduce labor intensity.

Description

Technical Field

[0001] This invention relates to cigarette packaging technology, and more specifically, to an automatic cigarette packaging device. Background Technology

[0002] A split cigarette pack is a small cigarette pack of a specific size. Figure 5 This is a structural diagram. It has a box body and a lid. When packing cigarettes, the cigarettes are placed in the box body, and then the lid is rotated around the hinge to cover the box body, forming a closed small cigarette pack.

[0003] In the tobacco industry, manual filling of cigarettes is a common method in the production process of cigarette packs of specific sizes. Cigarette packing devices already exist for semi-automatic filling of these split cigarette packs.

[0004] The existing cigarette packing device has a cigarette storage compartment. The upper part of the compartment receives and temporarily stores cigarettes transferred from the previous process, with all cigarettes stacked horizontally. The lower part of the compartment has a cigarette sorting trough with 10 channels. The width of each channel is just enough to allow a row of horizontally stacked cigarettes to pass through, preparing for packing. Below the compartment is a cigarette channel with a pusher installed inside. The pusher pushes 20 cigarettes (two layers) from the sorting trough into the box of the split cigarette pack. The pusher is manually operated by a worker.

[0005] In existing cigarette packing equipment, operators need to repeatedly push and pull the cigarette filling device manually to ensure that the cigarettes are evenly filled. This manual operation is not only time-consuming and labor-intensive, but also prone to errors and increases the labor intensity of operators, which adversely affects production efficiency and work quality. Therefore, it is desirable to design an automatic cigarette packing device. Summary of the Invention

[0006] This invention overcomes the shortcomings of the prior art and provides an implementation of an automatic cigarette packing device, which is expected to solve the problem that operators of the old equipment need to repeatedly push and pull the cigarette packing device manually, which is time-consuming, labor-intensive, and prone to misoperation and increased labor intensity for operators.

[0007] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0008] An automatic cigarette packing device includes a cigarette storage compartment, a cigarette filling assembly, and a transmission assembly;

[0009] The cigarette filling assembly includes a cigarette channel consisting of a left cigarette channel component and a right cigarette channel component. A lower cover plate is installed on the lower end face of the cigarette channel, and a cigarette filling port is also provided at the front end of the cigarette channel. The cigarette channel is located below the cigarette storage. A cigarette pusher is provided inside the cigarette channel. The rear end of the cigarette pusher is connected to a slider. The slider and the slide rail cooperate to perform back-and-forth reciprocating motion above the cigarette channel.

[0010] The slider is fixedly connected to a lower cigarette guide rail mounting strip and a gear transmission strip on both sides respectively; the lower cigarette guide rail mounting strip is slidably connected to the left part of the cigarette channel, and the lower cigarette guide rail is fixed on the lower cigarette guide rail mounting strip. The lower cigarette guide rail has a horizontal part and a stepped part; the lower cigarette connecting rod is set above the lower cigarette guide rail; the front ends of the left and right parts of the cigarette channel are rotatably connected to a rotating rod, and the end of the lower cigarette connecting rod is fixedly connected to the rotating rod. The end of the lower cigarette connecting rod has a protrusion; a flap is also fixedly installed on the rotating rod, and the flap is set above the cigarette filling port; when the protrusion and the stepped part are in contact, the flap is in a horizontal state;

[0011] The gear drive bar is driven by the transmission assembly to perform reciprocating motion.

[0012] The lower end face of the gear transmission bar has a rack, and the transmission component includes a servo motor. The output end of the servo motor is connected to a drive gear, which meshes with the gear on the gear transmission bar.

[0013] The gear transmission bar has a positioning groove, and a positioning bearing is installed in the positioning groove. The positioning bearing intersects with the inner groove surface of the positioning groove, and the positioning bearing is rotatably mounted on the positioning rod. The two ends of the positioning rod are fixedly mounted on the cigarette channel fixing component on the same side by position adjustment blocks.

[0014] The cigarette channel fixing component is fixed to the rear cover plate of the cigarette storage.

[0015] The protruding block is rotatably connected to the roller.

[0016] The lower smoke guide rail has a housing, and the opening on the top of the housing forms a sliding groove, in which the protruding block slides.

[0017] The servo motor is connected to the PLC controller. A cigarette pack sensor is provided at the bottom of the cigarette channel, and the cigarette pack sensor corresponds to the cigarette filling port. A cigarette sensor is provided at the corresponding position of the cigarette distribution slot of the cigarette storage on the cigarette channel. The cigarette pack sensor and the cigarette sensor are connected to the PLC controller.

[0018] The PLC controller is also connected to a touch sensor.

[0019] The upper end of the cigarette channel is equipped with a cover plate, and the rotating rod is horizontal with the cover plate.

[0020] Compared with the prior art, the present invention has at least the following beneficial effects: the present invention has a higher degree of automation, is more convenient and efficient to operate than the old version of the equipment, and also reduces labor intensity, further improving product quality. In addition, the present invention has a compact structure and is easy to maintain. Attached Figure Description

[0021] Figure 1This is a schematic diagram of the structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the moving parts of the present invention;

[0023] Figure 3 This is an exploded view of a partial structure of the present invention;

[0024] Figure 4 This is a partial structural assembly diagram of the present invention;

[0025] Figure 5 This is a schematic diagram of the structure of a split cigarette box.

[0026] The components in the diagram are numbered as follows: 1. Left component of the cigarette channel; 2. Right component of the cigarette channel; 3. Cigarette channel; 4. Cigarette channel fixing component; 5. Slider; 6. Lower cigarette guide rail mounting strip; 7. Gear transmission strip; 8. Positioning groove; 9. Lower cigarette guide rail; 10. Servo motor; 11. Mounting base; 12. Drive gear; 13. Position adjustment block; 14. Positioning rod; 15. Cigarette tongue pusher; 16. Rear cover of the cigarette storage compartment; 17. Rotating rod; 18. Flip plate; 19. Lower cigarette connecting rod; 20. Roller; 21. Protruding block; 22. Horizontal section; 23. Step section; 24. Cigarette filling port; 25. Fixing block; 26. Lower cover plate. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0028] like Figure 1 As shown: An automatic cigarette packing device includes a cigarette storage rear cover 16 and a cigarette packing assembly. The cigarette storage rear cover 16 and the cigarette packing assembly are fixedly installed on the operating table by a bracket. The cigarette storage rear cover 16 is part of the cigarette storage and is connected to the cigarette packing assembly below it. The cigarette storage channel is located in front of the cigarette storage rear cover 16 and above the cigarette channel fixing member 4. Cigarettes enter the cigarette channel 3 between the two cigarette channel fixing members.

[0029] The cigarette filling assembly is located at the lower part of the rear cover plate 16 of the cigarette storage. The cigarette filling assembly includes a left cigarette channel 1 and a right cigarette channel 2, with a cigarette channel 3 between them for the horizontal passage of cigarettes. An upper cover plate (not shown in the figure) and a lower cover plate 26 are respectively installed on the upper and lower ends of the cigarette channel 3. The upper cover plate is provided with a feed inlet corresponding to the cigarette storage outlet. The upper and lower cover plates form the cigarette channel 3 between the left cigarette channel 1 and the right cigarette channel 2. A cigarette channel fixing component 4 is fixedly installed on the left cigarette channel 1 and the right cigarette channel 2, and the cigarette channel fixing component 4 on the left cigarette channel 1 and the right cigarette channel 2 is fixedly connected to the lower end of the rear cover plate 16 of the cigarette storage.

[0030] like Figure 2 As shown, a slider 5 is installed inside the cigarette channel 3. A lower cigarette guide rail mounting strip 6 and a gear transmission strip 7 are connected to both sides of the slider 5, respectively. Therefore, when the servo motor 10 drives the gear transmission strip 7 to perform horizontal reciprocating motion, the slider 5 and the lower cigarette guide rail mounting strip 6 move synchronously, and the slider 5 drives the cigarette pusher to move synchronously. A slide rail (not shown in the figure) is connected above the slider 5. The slide rail is located behind the cigarette compartment and guides the sliding direction of the slider, ensuring stable operation of the slider driving the cigarette pusher.

[0031] like Figure 3 and Figure 4 As shown, the lower cigarette guide rail mounting strip 6 is located on the outside of the left part 1 of the cigarette channel, and the gear transmission strip 7 is located on the outside of the right part 2 of the cigarette channel. The lower end face of the gear transmission strip 7 has a rack, and the middle of the gear transmission strip 7 has a transverse positioning groove 8. A lower cigarette guide rail 9 is fixedly mounted on the outside of the lower cigarette guide rail mounting strip 6, allowing the lower cigarette guide rail mounting strip 6 and the lower cigarette guide rail 9 to move synchronously. The lower cigarette guide rail mounting strip 6 is slidably connected to the left part 1 of the cigarette channel. To achieve this slidable connection, the following methods can be selected: Figure 3 As shown, a sliding groove is provided on the left component 1 of the cigarette channel, and a slider is provided on the lower cigarette guide rail mounting strip 6. The slider and the sliding groove cooperate to achieve a sliding connection between the two. The lower cigarette guide rail 9 has a shell, and the opening at the top of the shell forms a sliding groove, in which the protrusion 21 slides.

[0032] like Figure 2 and Figure 3A transmission assembly is also provided on one side of the gear transmission bar 7. The transmission assembly includes a servo motor 10, which is fixedly connected to the rear cover of the tobacco storage via a mounting base 11. A drive gear 12 is installed on the output end of the servo motor 10, and the drive gear 12 meshes with the rack on the gear transmission bar 7. The positioning groove 8 of the gear transmission bar 7 has a positioning bearing, which intersects with the inner groove surface of the positioning groove 8, allowing the gear transmission bar 7 to slide back and forth on the positioning bearing. The positioning bearing is rotatably mounted on the positioning rod 14. Position adjustment blocks 13 are provided at both ends of the positioning rod. The two position adjustment blocks 13 are fixedly installed at the bottom of the tobacco channel fixing member 4 on the same side. The positioning groove 8 of the gear transmission bar 7 is slidably positioned between the two position adjustment blocks 13. This arrangement can effectively position the gear transmission bar 7 and prevent the gear transmission bar 7 from swinging when moving forward and backward, so that the gear transmission bar 7 always maintains a horizontal position.

[0033] like Figure 2 As shown, a cigarette pusher 15 is provided in the cigarette channel 3. The rear end of the cigarette pusher 15 is connected to the slider 5. The cigarette pusher 15 is in clearance fit with the cigarette channel 3. When the cigarette pusher 15 moves back and forth in the cigarette channel 3, it can smoothly push the cigarette out of the cigarette channel 3. The cigarette pusher 15 is no different from the cigarette pusher of the existing cigarette packing device. It has 10 push strips, and there is a gap between each push strip. Each push strip can push two cigarettes that are stacked one on top of the other out of the cigarette compartment at the bottom of the cigarette compartment. The cooperation between the cigarette pusher and the cigarette compartment is no different from the existing technology, and will not be described in detail here.

[0034] like Figure 4 As shown, the front end of the cigarette channel 3 also has a cigarette filling port 24, located below the flip plate 18, for when the cigarette box is opened by hand ( Figure 5 (As shown), then place it flat at the cigarette filling opening 24, abutting below the flip plate 18, with the groove of the box facing upwards, to facilitate the cigarettes sliding into the cigarette box. Each time the cigarette tongue is pushed forward, two layers of 20 cigarettes are pushed out from the cigarette slot, and both layers of cigarettes are pushed into the box at the same time. Then the cigarette box is removed from the cigarette filling opening, and the worker closes the box lid, thus completing the cigarette filling process.

[0035] like Figure 1 and Figure 2As shown, the front ends of the left component 1 and the right component 2 of the cigarette channel are respectively fixed with fixing blocks 25. The two fixing blocks 25 are rotatably connected with rotating rods 17. A horizontally set flap 18 is also fixedly installed on the rotating rod 17. The rotating rod 17 is fixedly connected to the front end of the flap 18 so that when it rotates, it can drive the flap 18 to flip at a certain angle. The flap 18 is set above the cigarette filling port 24, and the flap 18 is clearance-fitted with the left component 1 and the right component 2 of the cigarette channel. Before the pusher 15 pushes the cigarette to the cigarette filling port 24, the flap 18 is kept in a horizontal state, which can prevent the flap 18 from rubbing against the cigarette when the cigarette enters the cigarette filling port. When the pusher 15 pushes the cigarette into the cigarette filling port, the rotating rod 17 drives the flap 18 to rotate downward. The inner end of the flap 18 presses the cigarette down so that it slides into the cigarette box body by inertia.

[0036] like Figure 3 and Figure 4 As shown, a lower smoke connecting rod 19 is connected to one end of the rotating rod 17 located on the lower smoke guide rail 9. The lower smoke connecting rod 19, connected to the rotating rod 17, always exerts downward pressure due to its own weight. Figure 3 As shown, the lower smoke connecting rod 19 has a downwardly bent protrusion 21 at its end. The lower end of the protrusion 21 is connected to a roller 20, and the roller 20 is in contact with the upper end surface of the lower smoke guide rail 9 under the force of gravity. The shape of the lower smoke guide rail 9 is as follows: Figure 3 As shown, its upper surface has a horizontal section 22 and a stepped section 23. The stepped section 23 is located at one end of the horizontal section. When the roller 20 contacts the upper surface of the stepped section 23, the main parts of the lower smoke connecting rod 19 and the lower smoke guide rail 9 are parallel to each other. When the roller 20 contacts the upper surface of the horizontal section 22, the lower smoke connecting rod 19 is inclined relative to the lower smoke guide rail 9. The position change of the roller on the horizontal section 22 and the stepped section 23 drives the rotating rod 17 to rotate, thereby realizing the downward pressing and return of the flap 18.

[0037] When the roller 20 of the lower cigarette connecting rod 19 is in contact with the upper surface of the horizontal part 22 of the lower cigarette guide rail 9, the flap 18 is in a horizontal state. When the cigarette tongue moves forward, the lower cigarette guide rail 9 moves horizontally forward under the pushing action of the transmission component. When the lower cigarette guide rail 9 moves horizontally forward to its maximum stroke, the roller 20 at the end of the lower cigarette connecting rod 19 slides to the step part 23, and the end of the lower cigarette connecting rod 19 where the protrusion is located moves downward under the action of gravity, causing the lower cigarette connecting rod 19 to rotate. At the same time, the rotating rod 17 drives the flap 18 to rotate downward. The flap 18 rotates downward to tilt. In the tilted position, the lower end presses against the cigarette, causing the cigarette to inertia into the cigarette box. After the cigarette loading action is completed, the lower cigarette guide rail 9 moves backward under the drive of the transmission component. The roller 20 at the end of the lower cigarette connecting rod 19 rolls on the upper surface of the lower cigarette guide rail 9. The roller 20 at the end of the lower cigarette connecting rod 19 rolls to the upper surface of the horizontal part 22 of the lower cigarette guide rail 9. The change in the relative position of the protrusion 21 of the lower cigarette connecting rod 19 on the lower cigarette guide rail 9 drives the rotating rod 17 connected to the lower cigarette connecting rod 19 to rotate. The flap 18 follows the rotation of the rotating rod 17 and rotates upward to the horizontal position. The roller 20 ensures smoother movement of the lower cigarette connecting rod 19 relative to the lower cigarette guide rail 9.

[0038] The automatic cigarette packing device is also equipped with a PLC controller. The servo motor is connected to the PLC controller, and the PLC controller sends signals to the servo motor to control the rotation timing of the drive gear 12.

[0039] A cigarette pack sensor is installed at the bottom of the cigarette channel 3, corresponding to the cigarette filling opening. A cigarette sensor is also installed at the corresponding location of the cigarette trough on the upper part of the cigarette channel 3. The cigarette pack sensor and the cigarette pack sensor are connected to a PLC controller, which controls the cigarette pack sensor, the cigarette pack sensor, and the servo motor 10. A touch sensor is installed on the mounting platform, and the touch sensor is connected to the PLC controller. When the worker places the cigarette box into the cigarette filling opening with their left hand and touches the touch sensor with their right hand, the signal is transmitted to the PLC controller. The cigarette pack sensor and the cigarette pack sensor respectively detect that the cigarette pack and the cigarette are in place, and the signal is transmitted to the PLC controller. At this time, the PLC controller controls the servo motor to operate.

[0040] Specific usage: During use, slider 5 is located behind the cigarette storage cover 16. Cigarettes in the cigarette storage enter the cigarette channel 3, ready for loading. The operator places the unfolded split cigarette box into the cigarette loading port. The operator touches the sensor, and the sensor receives the signal and transmits it to the PLC controller. The PLC controller sends signals to the cigarette sensor and the cigarette pack sensor. The cigarette sensor detects the cigarette position in the cigarette channel at the cigarette storage outlet and sends the detected signal to the PLC controller. The cigarette pack sensor detects the position of the cigarette box at the cigarette loading port and sends the signal to the PLC controller. If the PLC controller receives a signal from the cigarette sensor and the cigarette pack sensor indicating that the predetermined condition (cigarettes and cigarette boxes are in place) is not met, the servo motor 10 will not run.

[0041] When the PLC controller receives a predetermined signal, it sends a signal to the servo motor 10, which starts to rotate forward and drives the gear transmission bar 7 to move horizontally towards the cigarette filling port. The gear transmission bar 7 drives the slider 5 to move along the slide rail, and the slider 5 pushes the lower cigarette guide rail mounting bar 6 to move. The lower cigarette guide rail 9 follows the movement of the lower cigarette guide rail mounting bar 6. The slider 5 pushes the pusher tongue 15 to move along the cigarette channel 3. The front end of the pusher tongue 15 pushes the cigarette in the cigarette channel 3, and the cigarette in the cigarette channel 3 enters the cigarette filling port in a horizontal state after being pushed by the pusher tongue 15. Inside the mouth; the protruding block 21 at the end of the lower cigarette connecting rod 19 fits against the upper end of the lower cigarette guide rail 9. When the cigarette reaches the cigarette filling position, the lower cigarette guide rail 9 reaches its maximum stroke, and the protruding block 21 at the end of the lower cigarette connecting rod 19 extends beyond the lower cigarette guide rail 9. The protruding block 21 at the end of the lower cigarette connecting rod 19 falls from the horizontal part 22 of the lower cigarette guide rail 9 to the step part 23 of the lower cigarette guide rail 9 under the action of gravity. The connection part between the lower cigarette connecting rod 19 and the rotating rod 17 drives the rotating rod 17 to rotate. At the same time, the rotating rod 17 connected to the lower cigarette connecting rod 19 drives the flap 18 to rotate downward and press the cigarette down and drop it into the cigarette box.

[0042] After completing the aforementioned predetermined actions, the servo motor 10 stops rotating forward and begins to rotate in reverse, driving the gear transmission bar 7 to move horizontally away from the cigarette filling opening. The lower cigarette guide rail mounting bar 6 follows suit, and the slider 5 drives the pusher tongue 15 to move along the cigarette channel 3. Simultaneously, the slider 5 drives the lower cigarette guide rail 9 to move horizontally away from the cigarette filling opening. The protrusion 21 at the end of the lower cigarette connecting rod 19 presses against the lower cigarette guide rail 9, causing the lower cigarette connecting rod 19 to move upward and drive the rotating rod 17 to rotate. The rotating rod 17 drives the flap 18 to rotate upward, and under the action of gravity, the protrusion 21 of the lower cigarette connecting rod 19 moves downward and fits against the lower cigarette guide rail 9. The servo motor 10 drives the slider 5 to reach the origin position and stops rotating. The cigarette sensor and the cigarette pack sensor detect the arrival status of the cigarette and cigarette pack, and repeat the above actions to continue filling the next cigarette box.

[0043] Although the invention has been described herein with reference to illustrative embodiments, it should be understood that many other modifications and implementations can be devised by those skilled in the art, which will fall within the scope and spirit of the principles disclosed herein. More specifically, various variations and modifications can be made to the components and / or layout of the subject matter combination within the scope of this disclosure. Besides variations and modifications to the components and / or layout, other uses will be apparent to those skilled in the art.

Claims

1. An automatic cigarette packing device, characterized in that: This includes the cigarette storage area, cigarette filling assembly, and transmission assembly; The cigarette filling assembly includes a cigarette channel (3) consisting of a left cigarette channel component (1) and a right cigarette channel component (2). A lower cover plate (26) is installed on the lower end face of the cigarette channel (3). The front end of the cigarette channel (3) also has a cigarette filling port (24). The cigarette channel is located below the cigarette storage. A pusher tongue (15) is provided inside the cigarette channel (3). The rear end of the pusher tongue (15) is connected to a slider (5). The slider (5) and the slide rail cooperate to move back and forth above the cigarette channel (3). The slider (5) is fixedly connected to the lower cigarette guide rail mounting strip (6) and the gear transmission strip (7) on both sides respectively; the lower cigarette guide rail mounting strip (6) is slidably connected to the left part (1) of the cigarette channel, and the lower cigarette guide rail (9) is fixed on the lower cigarette guide rail mounting strip (6). The lower cigarette guide rail (9) has a horizontal part (22) and a stepped part (23); the lower cigarette connecting rod (19) is set above the lower cigarette guide rail (9); the front ends of the left part (1) and the right part (2) of the cigarette channel are rotatably connected to the rotating rod (17), and the end of the lower cigarette connecting rod (19) is fixedly connected to the rotating rod (17). The end of the lower cigarette connecting rod (19) has a protrusion (21); a flap (18) is also fixedly installed on the rotating rod (17). The flap (18) is set on the upper end of the cigarette filling port (24); when the protrusion (21) and the stepped part (23) are in contact, the flap (18) is in a horizontal state; The gear drive bar (7) is driven by the transmission assembly to perform reciprocating motion.

2. The automatic cigarette packing device according to claim 1, characterized in that: The lower end face of the gear transmission bar (7) has a rack, and the transmission component includes a servo motor (10). The output end of the servo motor (10) is connected to a drive gear (12), and the drive gear (12) meshes with the gear transmission bar (7).

3. The automatic cigarette packing device according to claim 2, characterized in that: The gear transmission bar (7) has a positioning groove (8), and a positioning bearing is installed in the positioning groove (8). The positioning bearing intersects with the inner groove surface of the positioning groove (8). The positioning bearing is rotatably mounted on the positioning rod (14). The two ends of the positioning rod (14) are fixedly mounted on the cigarette channel fixing piece (4) on the same side by the position adjustment block (13).

4. The automatic cigarette packing device according to claim 3, characterized in that: The tobacco channel fixing component (4) is fixed on the tobacco storage rear cover plate (16).

5. The automatic cigarette packing device according to claim 1, characterized in that: The protrusion (21) is rotatably connected to the roller (20).

6. The automatic cigarette packing device according to claim 1, characterized in that: The lower smoke guide rail (9) has a housing with an opening at the top forming a groove, and the protruding block (21) slides within the groove.

7. The automatic cigarette packing device according to claim 2, characterized in that: The servo motor (10) is connected to the PLC controller. The bottom of the cigarette channel (3) is equipped with a cigarette pack sensor, and the cigarette pack sensor corresponds to the cigarette filling port. The cigarette pack sensor is also equipped with a cigarette pack sensor at the corresponding position of the cigarette compartment on the cigarette channel (3). The cigarette pack sensor and the cigarette pack sensor are connected to the PLC controller.

8. The automatic cigarette packing device according to claim 7, characterized in that: The PLC controller is also connected to a touch sensor.

9. The automatic cigarette packing device according to claim 1, characterized in that: The upper end face of the cigarette channel (3) is equipped with an upper cover plate, and the rotating rod (17) is horizontal with the upper cover plate.

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