A cigarette detection screening and collection system
By designing a cigarette detection, screening, and collection system, and utilizing machine vision models and airflow devices to detect cigarette defects and classify filter orientation, the system solves the problem of low production efficiency in existing technologies and improves automation and production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- GUANGZHOU ANBOT INTELLIGENT TECH CO LTD
- Filing Date
- 2026-05-09
- Publication Date
- 2026-06-05
Smart Images
Figure CN122140009A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of automated tobacco processing equipment, and more specifically, to a cigarette feeding detection and collection device that integrates feeding, detection, sorting and collection functions in the cigarette production process. Background Technology
[0002] On automated tobacco product production lines, after cigarettes are rolled and formed, they must undergo a series of processes including feeding, visual inspection, defect rejection, orientation sorting, and collection and storage. Current technology typically uses visual inspection equipment for a primary screening of cigarettes to remove those with obvious visual defects. However, some rejected cigarettes may still be falsely detected as intact, requiring secondary screening. Furthermore, existing equipment cannot simultaneously remove defective cigarettes and classify and collect them by filter orientation, necessitating manual adjustment of filter direction in subsequent packaging processes, thus impacting overall production efficiency. Therefore, there is an urgent need for a highly automated, accurate cigarette inspection, screening, and collection system capable of simultaneously removing defects and classifying filter orientation. Summary of the Invention
[0003] The present invention aims to provide a cigarette detection, screening and collection system. This system can perform a second appearance inspection on cigarettes, accurately remove defective cigarettes, and classify and collect and store them according to the orientation of the cigarette filter.
[0004] To achieve the above objectives, the present invention provides the following technical solution:
[0005] A cigarette detection, screening and collection system is provided. The device includes at least a feeding and guiding device, a transmission detection and screening device, a classification, collection and storage device and other components. The device is mainly used to perform secondary screening on the already screened cigarettes, remove defective cigarettes, and classify, collect and store them according to the orientation of the cigarette filter.
[0006] The feeding and guiding device includes at least a feeding bin, a swing roller conveyor, a first vibrating plate, a second vibrating plate, a vibrating plate, an L-shaped vibrating block, a motor, and a vibrating crank. This device is mainly used to guide and vibrate the cigarettes and assist in placing them onto the upper cigarette wheel.
[0007] The transmission detection and screening device includes at least an upper cigarette wheel, a first transition wheel, a second transition wheel, a rejection wheel, a first cigarette sorting wheel, a second cigarette sorting wheel, a positive pressure airflow, a negative pressure airflow, a waste cigarette box, and an image detection component. This device is mainly used for the transmission and detection and screening of cigarettes.
[0008] The image detection component includes at least multiple sets of visual cameras and high-frequency light sources, as well as an offline trained machine vision model. This component is mainly used to collect the appearance image information of cigarettes and detect and screen out defect-free cigarettes.
[0009] The sorting and storage device includes at least an upper guide plate, a lower guide plate, a first cigarette conveying line, a second cigarette conveying line, a first cigarette holder, a second cigarette holder, and a material sensor. The device is mainly used to sort and receive the conveyed cigarettes according to the orientation of the cigarette filter tip.
[0010] The other components include at least the main control unit, display screen, alarm indicator light, frame, emergency stop switch, moving handle, moving casters, brake components, bracket, etc.
[0011] The feeding and guiding device, the transmission detection and screening device, the classification, collection and storage device and other components are all fixedly installed on the frame; the first and second vibrating plates of the feeding and guiding device are freely in contact with the upper smoke wheel of the transmission detection and screening device;
[0012] The vision camera and high-powered light source of the image detection component of the transmission detection and screening device are installed below and at the rear end of the first transition wheel and above and at the front end of the second transition wheel of the transmission detection and screening device.
[0013] The first cigarette sorting wheel of the transmission detection and screening device cooperates with the first cigarette conveying line of the classification collection and storage device to convey cigarettes to the first cigarette holder of the classification collection and storage device; the second cigarette sorting wheel of the transmission detection and screening device cooperates with the second cigarette conveying line of the classification collection and storage device to convey cigarettes to the second cigarette holder of the classification collection and storage device.
[0014] The first cigarette conveyor line of the sorting and collection storage device is located directly to the left of the first cigarette sorting wheel; the first cigarette holder is located directly to the left of the first cigarette conveyor line; the second cigarette conveyor line of the sorting and collection storage device is located directly to the left of the second cigarette sorting wheel; the second cigarette holder is located directly to the left of the second cigarette conveyor line.
[0015] Furthermore, the feeding bin of the feeding and guiding device is located above the oscillating roller conveyor, used to gather cigarettes on the oscillating roller conveyor; the first and second vibrating plates are located below the oscillating roller conveyor, which together with the oscillating roller conveyor form the cigarette storage bin; the oscillating roller conveyor is located in the middle of the feeding and guiding device, used to orderly drop the disordered cigarettes at the gathering point into the cigarette storage bin; the L-shaped vibrating blocks of the feeding and guiding device include at least four blocks, the outer side of the L-shaped vibrating blocks are fixed to the first and second vibrating plates respectively, and the other outer side of the L-shaped vibrating blocks are connected to the vibrating plate by cylindrical pins; the first and second vibrating plates are fixedly connected to at least two L-shaped vibrating blocks respectively to ensure the vibration stability of the vibrating plates; one end of the vibrating crank is bolted to the vibrating plate, and the other end of the vibrating crank is connected to the motor; the motor is fixedly mounted on the frame, and drives the vibrating plates through the vibrating crank to realize the horizontal vibration of the vibrating plates.
[0016] Furthermore, the upper cigarette wheel of the transmission detection and screening device rotates counterclockwise; a first transition wheel for rotating the cigarette clockwise is provided on the lower left of the upper cigarette wheel, and a first visual camera and a first high-frequency light source, a second visual camera and a second high-frequency light source are provided directly below it for photographing the surface of the cigarette; a third visual camera and a third high-frequency light source for photographing the end face of the cigarette or the filter tip are provided directly behind the bottom of the first transition wheel; a second transition wheel for rotating the cigarette counterclockwise is provided on the upper left of the first transition wheel, and a fourth visual camera and a fourth high-frequency light source, a fifth visual camera and a fifth high-frequency light source are provided on the upper left of it for photographing the other surface of the cigarette; a sixth visual camera and a sixth high-frequency light source for photographing the end face of the cigarette or the filter tip are provided directly in front of the upper part of the second transition wheel; A rejection wheel for rotating the cigarette clockwise is located on the lower left of the second transition wheel, a first cigarette sorting wheel for rotating the cigarette counterclockwise is located on its upper left, and a second cigarette sorting wheel for rotating the cigarette counterclockwise is located on its lower left. The cigarette filters conveyed by the first and second cigarette sorting wheels face opposite directions. If the first cigarette sorting wheel is used to convey cigarettes with their filters facing outwards, then the second cigarette sorting wheel is used to convey cigarettes with their filters facing inwards; if the first cigarette sorting wheel is used to convey cigarettes with their filters facing inwards, then the second cigarette sorting wheel is used to convey cigarettes with their filters facing outwards. A waste cigarette box for collecting defective cigarettes is located directly below the rejection wheel. Multiple sets of visual cameras and a high-frequency light source of the image detection component are mounted on the bracket.
[0017] Furthermore, the transmission detection and screening device has N1 cigarette-catching grooves on the periphery of the upper cigarette wheel, the first transition wheel, the second transition wheel, and the rejection wheel, and N2 cigarette-catching grooves on the periphery of the first cigarette sorting wheel and the second cigarette sorting wheel; the bottom of the cigarette-catching grooves is provided with ventilation holes; the ventilation holes are connected to both the positive pressure airflow and the negative pressure airflow of the transmission detection and screening device; the negative pressure airflow is used to adsorb the conveyed cigarettes; the positive pressure airflow is only provided at the lower part of the rejection wheel and the upper part of the first cigarette sorting wheel and the second cigarette sorting wheel, and is used to release the adsorbed cigarettes.
[0018] Furthermore, the image detection component includes at least an image stitching unit, an image generation unit, and an image detection unit; the image stitching unit is used to stitch together images of the same cigarette surface captured by the first visual camera, the second visual camera, the fourth visual camera, and the fifth visual camera, as well as images of the same cigarette end face or filter captured by the third visual camera and the sixth visual camera; the image generation unit is used to generate cigarette appearance information from the stitched images; the image detection unit is used to detect whether there are defects in the appearance of the cigarette; and transmit the cigarette defect detection results to the main control unit.
[0019] Furthermore, the upper guide plate of the sorting and collection storage device includes at least a first upper guide plate, a second upper guide plate, a third upper guide plate, and a fourth upper guide plate; the first and second upper guide plates are respectively located to the left of the first cigarette sorting wheel and the second cigarette sorting wheel; the third and fourth upper guide plates are respectively located above the bends of the first and second cigarette conveying lines to prevent cigarette splashing due to excessive cigarette flow speed; the lower guide plate includes at least a first lower guide plate and a second lower guide plate; the first lower guide plate is located between the first cigarette sorting wheel and the first cigarette conveying line, serving to connect the two; the second lower guide plate is located between the second cigarette sorting wheel and the second cigarette conveying line, serving to connect the two. The lower guide plate is used to guide cigarettes from the cigarette sorting wheel into the cigarette conveying line; the cigarette filters conveyed by the first cigarette conveying line and the second cigarette conveying line face opposite directions; if the first cigarette conveying line is used to convey cigarettes with their filters facing outwards, then the second cigarette conveying line is used to convey cigarettes with their filters facing inwards; if the first cigarette conveying line is used to convey cigarettes with their filters facing inwards, then the second cigarette conveying line is used to convey cigarettes with their filters facing outwards; the first cigarette holder is located directly below the first cigarette conveying line and is used to collect and store cigarettes with their filters facing outwards; the second cigarette holder is located directly below the second cigarette conveying line and is used to collect and store cigarettes with their filters facing inwards; at least one material sensor is respectively provided inside the first cigarette holder and the second cigarette holder, which is used to sense the amount of cigarettes stored in the cigarette holder.
[0020] Furthermore, the display screens of the other components are used to display the working parameters, operating status, and fault information of the mechanical device, and to realize human-machine interaction and parameter setting; the emergency stop switch is used to quickly cut off the power or control circuit of the mechanical device in an emergency, so that the device stops operating immediately and achieves safety protection; the movable handrail, movable casters, and brakes are used for the position movement of the entire device.
[0021] Furthermore, the device achieves cigarette feeding detection and collection through the following process, the steps of which are as follows:
[0022] Step 1: A batch of cigarettes begins to be conveyed from the feeding hopper in the cigarette feeding guide device;
[0023] Step 2: The cigarette feeding and guiding device vibrates and breaks up the cigarettes, and continuously conveys them to the upper cigarette wheel of the transmission detection and screening device;
[0024] Step 3: The upper cigarette wheel of the transmission detection and screening device conveys the cigarette to the first transition wheel. When the cigarette reaches the multiple camera shooting positions of the first transition wheel, images of one surface and one end face of the cigarette are captured. The cigarette continues to be conveyed to the second transition wheel. When the cigarette reaches the multiple camera shooting positions of the second transition wheel, images of the other surface and the other end face of the cigarette are captured.
[0025] Step 4: The image detection component first stitches together the surface, end face or filter of the same cigarette, and generates the entire appearance information of the cigarette. The offline trained machine vision model is used to detect the appearance information of the entire cigarette, and to determine the orientation of the cigarette filter and whether there are any defects in the cigarette. Finally, the determination result is sent to the main control computer.
[0026] Step 5: The main controller controls the release of positive pressure airflow on the rejection wheel of the transmission detection and screening device according to the judgment result, so as to counteract the negative pressure airflow. Defective cigarettes are released from the rejection wheel and fall into the waste cigarette box. Qualified cigarettes continue to be conveyed to the first cigarette sorting wheel and the second cigarette sorting wheel of the transmission detection and screening device. The first cigarette sorting wheel and the second cigarette sorting wheel convey cigarettes with different filter orientations. According to the settings, if the first cigarette sorting wheel conveys cigarettes with the filter facing outwards, it conveys and stores them in the first cigarette holder, then the second cigarette sorting wheel conveys cigarettes with the filter facing inwards, and stores them in the second cigarette holder; and vice versa.
[0027] Step 6: Based on the information detected by the material sensors installed in the first and second cigarette holders of the sorting and collection storage device, determine whether the cigarette storage capacity of the first and second cigarette holders has reached the set height. If the storage height of the cigarettes reaches the set height, the material sensor triggers the system to stop operating, and the alarm indicator flashes to remind the staff to replace the cigarette holders. Otherwise, continue collecting and storing.
[0028] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0029] 1. Using an offline-trained machine vision model, it can simultaneously perform cigarette defect detection and filter orientation recognition, achieving integrated detection and sorting.
[0030] 2. By cooperating with the first and second cigarette sorting wheels, the first and second cigarette conveying lines, the first and second cigarette holders, respectively, the cigarettes can be accurately sorted, collected, and stored according to the orientation of their filters.
[0031] 3. All devices are integrated on the frame, with movable handrails, casters and brakes, which facilitates the overall movement and on-site layout of the equipment and makes it highly adaptable. Attached Figure Description
[0032] Figure 1 This is a schematic diagram of the overall structure of the cigarette detection, screening and collection system of the present invention;
[0033] Figure 2 This is a schematic diagram of the feeding and guiding device of the present invention;
[0034] Figure 3 This is a schematic diagram showing the connection between the vibrating plate and the motor in the feeding and guiding device of the present invention;
[0035] Figure 4 This is a schematic diagram of the gear train layout and camera position of the transmission detection and screening device of the present invention;
[0036] Figure 5 This is a schematic diagram of the positive pressure airflow of the rejection wheel, the first cigarette sorting wheel, and the second cigarette sorting wheel in the transmission detection and screening device of the present invention;
[0037] Figure 6 This is a schematic diagram of the structure of the classification, collection, and storage device of the present invention.
[0038] In the picture:
[0039] 100 - Feeding and guiding device; 101 - Feeding bin; 102 - Swinging roller conveyor; 103 - First vibrating plate; 104 - Second vibrating plate; 105 - Vibrating plate; 106 - L-shaped vibrating block; 107 - Motor; 108 - Vibrating crank;
[0040] 200-Transmission detection and screening device; 201-Using cigarette wheel; 202-First transition wheel; 203-Second transition wheel; 204-Rejection wheel; 205-First cigarette sorting wheel; 206-Second cigarette sorting wheel; 207-Positive pressure airflow; 208-Negative pressure airflow; 209-Waste cigarette box; 210-Cigarette jamming trough; 211-Image detection component; 2111-First visual camera and first high-frequency light source group; 2112-Second visual camera and second high-frequency light source group; 2113-Third visual camera and third high-frequency light source group; 2114-Fourth visual camera and fourth high-frequency light source group; 2115-Fifth visual camera and fifth high-frequency light source group; 2116-Sixth visual camera and sixth high-frequency light source group;
[0041] 300 - Classification and collection storage device; 301 - Upper guide plate; 3011 - First upper guide plate; 3012 - Second upper guide plate; 3013 - Third upper guide plate; 3014 - Fourth upper guide plate; 302 - Lower guide plate; 3021 - First lower guide plate; 3022 - Second lower guide plate; 303 - First cigarette conveyor line; 304 - Second cigarette conveyor line; 305 - First cigarette holder; 306 - Second cigarette holder; 307 - Material sensor;
[0042] 400 - Other components; 401 - Display screen; 402 - Alarm indicator light; 403 - Emergency stop switch; 404 - Handrail; 405 - Casters; 406 - Brakes; 407 - Bracket;
[0043] 500 - rack; 600 - main control unit. Detailed Implementation
[0044] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0045] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0046] 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 specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of the invention.
[0047] like Figure 1 As shown, this embodiment provides a cigarette detection, screening and collection system, which mainly includes: a feeding and guiding device 100, a transmission detection and screening device 200, a classification, collection and storage device 300, other components 400 and a frame 500.
[0048] like Figure 2 and Figure 3 As shown, the feeding and guiding device 100 is mainly used for guiding and vibrating the cigarettes, and assisting in placing them onto the upper cigarette wheel 201 of the transmission detection and screening device 200. Specifically, the feeding bin 101 is fixed above the swing roller conveyor 102; the first vibrating plate 103 and the second vibrating plate 104 are located below the swing roller conveyor, which together with the swing roller conveyor form the upper cigarette storage bin; the swing roller conveyor 102 is located in the middle of the feeding and guiding device 100; the first vibrating plate 103 and the second vibrating plate 104 are fixedly connected to the vibrating plate 105 through the L-shaped vibrating block 106; the vibrating plate 105 is connected to one end of the vibrating connecting rod 108, and the other end is connected to the motor 107; when the feeding and guiding device 100 is working, the disordered cigarettes are... The cigarettes fall from the feeding bin 101 into the oscillating roller conveyor 102. The oscillating roller conveyor 102 vibrates horizontally, causing the disordered cigarettes to fall orderly into the upper cigarette storage bin. In the upper cigarette storage bin, the vibrating crank 108 drives the vibrating plate 105 to vibrate, which in turn causes the first vibrating plate 103 and the second vibrating plate 104 to vibrate horizontally, breaking up the cigarettes in the upper cigarette storage bin and conveying them orderly into the cigarette slot 210 of the upper cigarette wheel 201. The first vibrating plate 103 and the second vibrating plate 104 freely contact the upper cigarette wheel 201 to ensure a smooth transition of the cigarettes.
[0049] like Figure 4 and Figure 5As shown, the transmission detection and sorting device 200 is used for the transfer, detection, sorting, and classification of cigarettes. Specifically, the upper cigarette wheel 201 rotates counterclockwise, conveying the cigarettes to the clockwise rotating first transition wheel 202; a first visual camera and a first high-frequency light source group 2111, a second visual camera and a second high-frequency light source group 2112 are arranged directly below the bottom of the transition wheel 202 to photograph one surface of the cigarette; a third visual camera and a third high-frequency light source group 2113 are arranged directly behind the bottom of the transition wheel 202 to photograph one end face or the cigarette filter; then the cigarette is conveyed to the counterclockwise rotating second transition wheel 203, where a fourth visual camera and a fourth high-frequency light source group 2114 and a fifth visual camera and a fifth high-frequency light source group 2115 are arranged on its upper left to photograph the other surface of the cigarette; a sixth visual camera and a sixth high-frequency light source group 2116 are arranged on the upper front of the transition wheel 203 to photograph the other end face or the cigarette filter. The cigarette is conveyed by a transition wheel 203 to a rejection wheel 204 that rotates clockwise. A first cigarette sorting wheel 205 is located on the upper left of the transition wheel 204, causing the cigarette to rotate counter-clockwise. A second cigarette sorting wheel 205 is located on the lower left of the rejection wheel 204, also causing the cigarette to rotate counter-clockwise. The cigarette filters conveyed by the first and second cigarette sorting wheels 204 face opposite directions. A waste cigarette box 209 is located directly below the rejection wheel 204 to receive rejected defective cigarettes. All rotating wheels have cigarette traps 210 around their perimeter, with ventilation holes at the bottom. A negative pressure airflow 207 adsorbs the cigarettes within the trap. A positive pressure airflow 208 is located directly below the rejection wheel 204 and to the left of the first and second cigarette sorting wheels 205 to release the adsorbed cigarettes. Multiple vision cameras and a high-frequency light source are fixed to a bracket 407.
[0050] The image stitching unit of the image detection component 211 stitches together the images of the same cigarette captured by the first to sixth vision cameras to form complete cigarette appearance information; the detection unit calls the pre-trained machine vision model to detect the cigarette appearance information and determines the orientation of the cigarette filter and whether there are any defects in the cigarette; the determination results are sent to the main control unit 600; when the transmission detection and screening device 200 is working, the cigarette sequentially moves along the upper cigarette wheel 201, the first transition wheel 202, the second transition wheel 203, and the rejection wheel 20. 4. The first cigarette sorting wheel 205 and the second cigarette sorting wheel 206 convey the cigarettes. When the machine vision model identifies a defective cigarette, the main controller 600 controls the rejection wheel 204 to release a positive pressure airflow 208 to counteract the negative pressure airflow 207, causing the cigarette to fall into the waste cigarette box 209. The intact cigarettes are conveyed to the first cigarette sorting wheel 204 and the second cigarette sorting wheel 205 respectively according to the orientation of the cigarette filter. For example, if the first cigarette sorting wheel 204 receives cigarettes with the filter facing outward, the second cigarette sorting wheel 205 receives cigarettes with the filter facing inward.
[0051] like Figure 6As shown, the sorting and storage device 300 is used to receive and store qualified cigarettes after sorting. Cigarettes output from the first cigarette sorting wheel 204 are guided into the first cigarette conveyor line 303 via the first lower guide plate 4021; cigarettes output from the second cigarette sorting wheel 205 are guided into the second cigarette conveyor line 304 via the second lower guide plate 4022. Four upper guide plates 301 are provided at the connections between the first and second cigarette sorting wheels 204 and the first and second cigarette conveyor lines 303 and 304, and at the turning points of the first and second cigarette conveyor lines 303 and 304, respectively, to prevent cigarettes from splashing. The cigarettes, after passing through the first and second cigarette conveyor lines 303 and 304, finally fall into the first and second cigarette holders 305 and 306 below, respectively. Each holder has a material sensor 307 inside. When the cigarette storage volume reaches a preset threshold, the sensor is triggered, the system stops operating, and the alarm indicator light 402 flashes, awaiting replacement of the cigarette holders by staff.
[0052] The display screen 401 of other components 400 is used to display the working parameters, operating status and fault information of the mechanical device, and to realize human-machine interaction and parameter setting; the emergency stop switch 403 is used to quickly cut off the power or control circuit of the mechanical device in an emergency, so that the system stops running immediately and achieves safety protection; the movable handrail 404, movable casters 405 and brake 406 are used for the position movement of the entire device.
[0053] The cigarette detection, screening, and collection system achieves cigarette detection and collection through the following process:
[0054] Step 1: A batch of cigarettes is conveyed from the feeding hopper 101 in the cigarette feeding guide device 100;
[0055] Step 2: The cigarette feeding guide device 100 vibrates and breaks up the cigarettes, and continuously conveys them to the upper cigarette wheel 201 of the transmission detection and screening device 200;
[0056] Step 3: The upper cigarette wheel 201 of the transmission detection and screening device 200 conveys the cigarette to the first transition wheel 202. When the cigarette reaches the multiple camera shooting positions of the first transition wheel 202, images of one surface and one end face of the cigarette are captured. The cigarette continues to be conveyed to the second transition wheel 203. When the cigarette reaches the multiple camera shooting positions of the second transition wheel 203, images of the other surface and the other end face of the cigarette are captured.
[0057] Step 4: The image detection component 211 first stitches the surface, end face or filter of the same cigarette collected, and generates the entire appearance information of the cigarette at the same time; the offline trained machine vision model is used to detect the appearance information of the entire cigarette, and determines the orientation of the cigarette filter and whether there are any defects in the cigarette, and finally sends the determination result to the main control unit 600.
[0058] Step 5: The main controller 600 controls the release of the positive pressure airflow 207 on the rejection wheel 204 of the transmission detection and screening device 200 according to the judgment result, so as to counteract the negative pressure airflow 208. Defective cigarettes are released from the rejection wheel 204 and fall into the waste cigarette box 209. Qualified cigarettes continue to be transported to the first cigarette sorting wheel 205 and the second cigarette sorting wheel 206 of the transmission detection and screening device 200. The first cigarette sorting wheel 205 and the second cigarette sorting wheel 206 transport cigarettes with different filter orientations. According to the settings, if the first cigarette sorting wheel 205 transports cigarettes with the filter facing outwards, it is transported and stored in the first cigarette holder 305, and the second cigarette sorting wheel 206 transports cigarettes with the filter facing inwards, and stores them in the second cigarette holder 306; and vice versa.
[0059] Step 6: Based on the information detected by the material sensor 307 installed in the first cigarette holder 305 and the second cigarette holder 306 of the sorting and collection storage device 300, determine whether the cigarette storage capacity of the first cigarette holder 305 and the second cigarette holder 306 has reached the set height. If the storage height of the cigarettes reaches the set height, the material sensor 307 is triggered, the system stops running, and the alarm indicator light 402 flashes to remind the staff to replace the cigarette holder. Otherwise, collection and storage continue.
[0060] The described embodiments are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in the present invention should be included within the scope of protection of the present invention.
Claims
1. A cigarette detection, screening, and collection system, characterized in that, The device includes at least a feeding and guiding device, a transmission detection and screening device, a classification, collection and storage device and other components. The device is mainly used to perform secondary screening on the already screened cigarettes, remove defective cigarettes, and classify and collect and store them according to the orientation of the cigarette filter. The feeding and guiding device includes at least a feeding bin, a swing roller conveyor, a first vibrating plate, a second vibrating plate, a vibrating plate, an L-shaped vibrating block, a motor, and a vibrating crank. This device is mainly used for guiding and vibrating the cigarettes during feeding and for assisting in their placement on the upper cigarette wheel. The transmission detection and screening device includes at least an upper cigarette wheel, a first transition wheel, a second transition wheel, a rejection wheel, a first cigarette sorting wheel, a second cigarette sorting wheel, a positive pressure airflow, a negative pressure airflow, a waste cigarette box, and an image detection component. This device is mainly used for the transmission, detection, screening, and classification of cigarettes. The image detection component includes at least multiple sets of visual cameras and high-frequency light sources, as well as an offline trained machine vision model. This component is mainly used to collect the appearance image information of cigarettes and detect and screen out defect-free cigarettes. The sorting and storage device includes at least an upper guide plate, a lower guide plate, a first cigarette conveying line, a second cigarette conveying line, a first cigarette holder, a second cigarette holder, and a material sensor. The device is mainly used to sort and receive the conveyed cigarettes according to the orientation of the cigarette filter tip. The other components include at least the main control unit, display screen, alarm indicator light, frame, emergency stop switch, moving handle, moving casters, brake components, bracket, etc. The feeding and guiding device, the transmission detection and screening device, the classification, collection and storage device and other components are all fixedly installed on the frame; the first and second vibrating plates of the feeding and guiding device are freely in contact with the upper smoke wheel of the transmission detection and screening device; The vision camera and high-powered light source of the image detection component of the transmission detection and screening device are installed below and at the rear end of the first transition wheel and above and at the front end of the second transition wheel of the transmission detection and screening device. The first cigarette sorting wheel of the transmission detection and screening device cooperates with the first cigarette conveying line of the classification collection and storage device to convey cigarettes to the first cigarette holder of the classification collection and storage device; the second cigarette sorting wheel of the transmission detection and screening device cooperates with the second cigarette conveying line of the classification collection and storage device to convey cigarettes to the second cigarette holder of the classification collection and storage device. The first cigarette conveyor line of the sorting and collection storage device is located directly to the left of the first cigarette sorting wheel; the first cigarette holder is located directly to the left of the first cigarette conveyor line; the second cigarette conveyor line of the sorting and collection storage device is located directly to the left of the second cigarette sorting wheel; the second cigarette holder is located directly to the left of the second cigarette conveyor line.
2. The cigarette detection, screening, and collection system according to claim 1, characterized in that, The feeding bin of the feeding and guiding device is located above the oscillating roller conveyor, used to gather cigarettes on the oscillating roller conveyor; the first and second vibrating plates are located below the oscillating roller conveyor, with their upper ends located on both sides of the oscillating roller conveyor, together with the oscillating roller conveyor forming the cigarette storage bin; the oscillating roller conveyor is fixed to the vibrating plate, located in the middle of the feeding and guiding device, used to orderly drop the disordered cigarettes at the gathering point into the cigarette storage bin; the feeding and guiding device includes at least four L-shaped vibrating blocks, the outer side of the L-shaped vibrating blocks are fixed to the first and second vibrating plates respectively, and the other outer side of the L-shaped vibrating blocks are connected to the vibrating plate by cylindrical pins; the first and second vibrating plates are fixedly connected to at least two L-shaped vibrating blocks respectively to ensure the vibration stability of the vibrating plates; one end of the vibrating crank is bolted to the vibrating plate, and the other end of the vibrating crank is connected to the motor; the motor is fixedly mounted on the frame, and drives the vibrating plates through the vibrating crank to realize the horizontal vibration of the vibrating plates.
3. The cigarette detection, screening, and collection system according to claim 1, characterized in that, The upper cigarette wheel of the transmission detection and screening device rotates counterclockwise; a first transition wheel for rotating the cigarette clockwise is arranged on the lower left of the upper cigarette wheel, and a first visual camera and a first high-frequency light source group, a second visual camera and a second high-frequency light source group are arranged directly below it for photographing the surface of the cigarette; a third visual camera and a third high-frequency light source group are arranged directly behind the bottom of the first transition wheel for photographing the end face of the cigarette or the filter; a second transition wheel for rotating the cigarette counterclockwise is arranged on the upper left of the first transition wheel, and a fourth visual camera and a fourth high-frequency light source group, a fifth visual camera and a fifth high-frequency light source group are arranged on the upper left of it for photographing the other surface of the cigarette; a sixth visual camera and a sixth high-frequency light source group are arranged on the upper front of the second transition wheel for photographing the end face of the cigarette or the filter; A rejection wheel for rotating the cigarette clockwise is located on the lower left of the second transition wheel, a first cigarette sorting wheel for rotating the cigarette counterclockwise is located on its upper left, and a second cigarette sorting wheel for rotating the cigarette counterclockwise is located on its lower left. The cigarette filters conveyed by the first and second cigarette sorting wheels face opposite directions. If the first cigarette sorting wheel is used to convey cigarettes with their filters facing outwards, then the second cigarette sorting wheel is used to convey cigarettes with their filters facing inwards; if the first cigarette sorting wheel is used to convey cigarettes with their filters facing inwards, then the second cigarette sorting wheel is used to convey cigarettes with their filters facing outwards. A waste cigarette box for collecting defective cigarettes is located directly below the rejection wheel. Multiple sets of visual cameras and a high-frequency light source of the image detection component are mounted on the bracket.
4. The cigarette detection, screening, and collection system according to claim 1, characterized in that, The transmission detection and screening device has N1 cigarette-catching grooves on the outer periphery of the upper cigarette wheel, the first transition wheel, the second transition wheel, and the rejection wheel, and N2 cigarette-catching grooves on the outer periphery of the first cigarette sorting wheel and the second cigarette sorting wheel. Ventilation holes are provided at the bottom of each cigarette-catching groove. These ventilation holes are connected to both the positive and negative pressure airflow of the transmission detection and screening device. The negative pressure airflow is used to adsorb the conveyed cigarettes. The positive pressure airflow is only located directly below the rejection wheel and directly above the first and second cigarette sorting wheels, and is used to release the adsorbed cigarettes.
5. The cigarette detection, screening, and collection system according to claim 1, characterized in that, The image detection component includes at least an image stitching unit, an image generation unit, and an image detection unit. The image stitching unit stitches together images of the same cigarette surface captured by the first, second, fourth, and fifth visual cameras, as well as images of the same cigarette end face or filter captured by the third and sixth visual cameras. The image generation unit generates cigarette appearance information from the stitched images. The image detection unit detects and determines the orientation of the cigarette filter and whether the cigarette has defects, and transmits the determination results to the main control unit.
6. The cigarette detection, screening, and collection system according to claim 1, characterized in that, The upper guide plate of the sorting and collection storage device includes at least a first upper guide plate, a second upper guide plate, a third upper guide plate, and a fourth upper guide plate; the first and second upper guide plates are respectively located to the left of the first cigarette sorting wheel and the second cigarette sorting wheel; the third and fourth upper guide plates are respectively located above the bends of the first and second cigarette conveying lines to prevent cigarette splashing due to excessive cigarette flow speed; the lower guide plate includes at least a first lower guide plate and a second lower guide plate; the first lower guide plate is located between the first cigarette sorting wheel and the first cigarette conveying line, serving to connect the two; the second lower guide plate is located between the second cigarette sorting wheel and the second cigarette conveying line, serving to connect the two; The lower guide plate guides cigarettes from the cigarette sorting wheel into the cigarette conveying line; the cigarette filters conveyed by the first and second cigarette conveying lines face opposite directions; if the first cigarette conveying line conveys cigarettes with outward-facing filters, then the second cigarette conveying line conveys cigarettes with inward-facing filters; if the first cigarette conveying line conveys cigarettes with inward-facing filters, then the second cigarette conveying line conveys cigarettes with outward-facing filters; the first cigarette holder is located directly below the first cigarette conveying line and is used to collect and store cigarettes with outward-facing filters; the second cigarette holder is located directly below the second cigarette conveying line and is used to collect and store cigarettes with inward-facing filters; each of the first and second cigarette holders is equipped with at least one material sensor to sense the amount of cigarettes stored in the holder.
7. The cigarette detection, screening, and collection system according to claim 1, characterized in that, The display screens of the other components are used to display the working parameters, operating status and fault information of the mechanical device; the emergency stop switch is used to quickly cut off the power or control circuit of the mechanical device in an emergency, so that the system stops running immediately and achieves safety protection; the movable handrail, movable casters and brakes are used for the position movement of the entire device.
8. The cigarette detection, screening, and collection system according to claim 1, characterized in that, The system detects and collects cigarettes through the following process: Step 1: A batch of cigarettes begins to be conveyed from the feeding hopper in the cigarette feeding guide device; Step 2: The cigarette feeding and guiding device vibrates and breaks up the cigarettes, and continuously conveys them to the upper cigarette wheel of the transmission detection and screening device; Step 3: The upper cigarette wheel of the transmission detection and screening device conveys the cigarette to the first transition wheel. When the cigarette reaches the multiple camera shooting positions of the first transition wheel, images of one surface and one end face of the cigarette are captured. The cigarette continues to be conveyed to the second transition wheel. When the cigarette reaches the multiple camera shooting positions of the second transition wheel, images of the other surface and the other end face of the cigarette are captured. Step 4: The image detection component first stitches together the surface, end face or filter of the same cigarette, and at the same time generates the overall appearance information of the cigarette. The appearance information of the entire cigarette is detected using a machine vision model that has been trained offline, and the orientation of the cigarette filter and whether there are any defects in the cigarette are determined. Finally, the determination results are sent to the main control computer. Step 5: The main control unit controls the release of positive pressure airflow on the rejection wheel of the transmission detection and screening device according to the judgment result to counteract the negative pressure airflow. Defective cigarettes are released from the rejection wheel and fall into the waste cigarette box. Qualified cigarettes continue to be conveyed to the first cigarette sorting wheel and the second cigarette sorting wheel of the transmission detection and screening device. The first cigarette sorting wheel and the second cigarette sorting wheel convey cigarettes with different filter orientations. According to the settings, if the first cigarette sorting wheel conveys cigarettes with the filter facing outwards, it conveys and stores them in the first cigarette holder, then the second cigarette sorting wheel conveys cigarettes with the filter facing inwards, and stores them in the second cigarette holder; and vice versa. Step 6: Based on the information detected by the material sensors installed in the first and second cigarette holders of the sorting and collection storage device, determine whether the cigarette storage capacity of the first and second cigarette holders has reached the set height. If the storage height of the cigarettes reaches the set height, the material sensor is triggered, the system stops running, and the alarm indicator light flashes to remind the staff to replace the cigarette holders. Otherwise, collection and storage continue.