A control method and medium for recycling cigarette tobacco

Abstract

The application provides a control method and medium for recycling cigarette tobacco, and relates to the technical field of cigarette tobacco recycling, which comprises the following steps: after receiving a recycling task, conveying waste tobacco to a vibrating disc, and sorting the waste tobacco through the vibrating disc; conveying the waste tobacco to a positioning belt; obtaining material information at the starting end of the positioning belt to obtain first material information; determining whether the waste tobacco enters the positioning belt; if yes, detecting the position of the waste tobacco on the positioning belt; determining whether the cutting position is provided with waste tobacco through the position of the waste tobacco and the cutting position; if yes, performing laser cutting treatment on the waste tobacco; if no, stopping the laser; if no, alarming; after the cutting treatment, obtaining waste tobacco information; determining whether the waste tobacco is cut; if yes, conveying the waste tobacco to a sifter to obtain tobacco and cigarette paper; and if no, conveying the waste tobacco to the vibrating disc. The quality of the recycled tobacco is improved.

Description

Technical Field

[0001] This invention relates to the field of cigarette tobacco recycling technology, specifically to a control method and medium for recycling cigarette tobacco. Background Technology

[0002] Currently, a large number of defective and substandard cigarettes are inevitably generated during the rolling process. In order to reduce the consumption of tobacco raw materials, substandard cigarettes are generally collected and sent to waste tobacco treatment lines for tobacco recycling.

[0003] Traditional waste cigarette treatment methods include air blowing, air-humidification, and battering. Among them, air blowing is relatively slow, and due to the large number of cigarettes to be processed in cigarette factories, it is limited by the processing capacity and is usually not used on waste cigarette processing lines. Air-humidification uses water vapor to break the rolling paper, thus separating the tobacco from the rolling paper. However, because the tobacco is in contact with water and air, it is prone to discoloration, breakage, and mold growth, reducing the quality of the recycled tobacco. Battering separates the tobacco from the rolling paper by impacting and colliding with the cigarettes, thus recycling the tobacco. However, because the cigarettes are impacted and colliding, the tobacco and rolling paper are broken into large pieces, and the paper fragments are mixed with the tobacco, reducing the quality of the recycled tobacco. Summary of the Invention

[0004] The purpose of this invention is to provide a control method and medium for recycling cigarette tobacco, and the technical problem to be solved is to improve the quality of the recycled tobacco.

[0005] This invention is achieved through the following technical solution:

[0006] The first aspect provides a control method for recycling cigarette tobacco, comprising the following steps:

[0007] S100. After receiving the recycling task, waste smoke is conveyed to the vibratory feeder through the hopper, and the waste smoke is sorted by the vibratory feeder.

[0008] S200: The sorted waste smoke is sequentially conveyed to the positioning belt; the material information at the starting end of the positioning belt is obtained to obtain the first material information;

[0009] Based on the aforementioned first material information, determine whether waste smoke has entered the positioning belt;

[0010] S210. If the first material information mentioned above indicates that waste smoke has entered the positioning belt, then a position detection signal is generated.

[0011] S220. If the first material information indicates that no waste smoke enters the positioning belt, then a first alarm signal is generated.

[0012] S300. Based on the above position detection signal, the position of the waste smoke on the positioning belt is detected in real time;

[0013] S310. Call the cutting position, and determine whether there is waste smoke at the cutting position based on the above waste smoke position and cutting position;

[0014] S320. If there is waste smoke at the above-mentioned cutting position, a laser emission signal is generated;

[0015] Based on the laser emission signal, the waste smoke at the cutting position is cut.

[0016] S330. If there is no waste smoke at the above cutting position, a laser stop signal is generated;

[0017] S400. After the above cutting process is completed, the waste smoke information is obtained.

[0018] Based on the above waste smoke information, determine whether the waste smoke has been completely cut;

[0019] S410. If the above-mentioned waste smoke is cut, the waste smoke is transported to a screener for screening to obtain tobacco shreds and cigarette paper.

[0020] S420. If the above-mentioned waste smoke cutting is not completed, the waste smoke is transported to a vibrating plate and reordered by the vibrating plate.

[0021] The waste smoke is sorted by the vibrating plate, and the material information at the beginning of the positioning belt is acquired in real time. The incoming material information at the beginning of the positioning belt is monitored, and an alarm is triggered in time when there is a gap. When the waste smoke continuously enters the positioning belt, the position of the waste smoke is monitored. When the waste smoke reaches the cutting position, a laser is emitted. By controlling the laser power, the laser cuts only the paper on the surface of the waste smoke without damaging the tobacco, avoiding the problems of over-cutting or incomplete cutting. The length and shape of the waste smoke are maintained, which is beneficial to subsequent screening and reuse. The waste smoke information is acquired to confirm whether the cutting is completed. The waste smoke that is not completed is sent back to the vibrating plate for reprocessing. This ensures that every piece of waste smoke entering the screener is fully cut. Because the waste smoke is kept intact during cutting, there is a large difference in volume between the paper and the tobacco. The paper and tobacco can be directly separated by screening. The situation where the tobacco contains paper is greatly reduced, which improves the quality of the recycled tobacco.

[0022] Furthermore, in S100, it is also necessary to determine whether there is material accumulation in the vibratory feeder. The specific steps are as follows:

[0023] S110. Obtain the waste smoke accumulation height in the material area of ​​the vibratory plate to obtain the first accumulation height;

[0024] S120: Call the first height threshold and compare the first stacking height with the first height threshold;

[0025] S130. If the first stacking height is less than the first height threshold, then there is no material accumulation in the vibratory feeder, and a first feed signal is generated.

[0026] Based on the first feed signal mentioned above, open the hopper door;

[0027] S140. If the first stacking height is equal to or greater than the first height threshold, then there is material accumulation in the vibratory feeder, and a material limiting signal is generated.

[0028] Based on the aforementioned material limit signal, close the silo door.

[0029] To prevent excessive material accumulation, which can easily lead to blockage of the vibratory feeder, the system monitors the height of the waste smoke accumulation in the material area of ​​the vibratory feeder to obtain a first accumulation height and sets a first height threshold. This first height threshold is used to determine whether there is a risk of waste smoke accumulation in the vibratory feeder. When the first accumulation height is lower than the first height threshold, it indicates that the waste smoke accumulation in the vibratory feeder is within a controllable range, and feeding can continue. The generated first feeding signal will trigger the opening of the hopper door to ensure a continuous and stable supply of material. Once the first accumulation height reaches or exceeds the first height threshold, it indicates that there may be a risk of material accumulation in the vibratory feeder. At this time, the system will generate a material limiting signal and automatically close the hopper door to prevent excessive waste smoke accumulation in the vibratory feeder, thus avoiding blockage and reduced processing efficiency.

[0030] Further, determine whether the vibratory feeder becomes clogged during sorting;

[0031] S230, Call the aforementioned first material information;

[0032] Obtain the material information inside the vibratory feeder to obtain the second material information; use the second material information to determine whether there is waste smoke inside the vibratory feeder.

[0033] S240. If the first material information is that waste smoke enters the positioning belt, and the second material information is that waste smoke exists in the vibratory feeder, then the vibratory feeder will operate normally.

[0034] S250. If the first material information is that waste smoke enters the positioning belt, and the second material information is that there is no waste smoke in the vibrating plate, then a second feeding signal is generated.

[0035] Based on the second feed signal mentioned above, open the hopper door;

[0036] S260. If the first material information is that no waste smoke enters the positioning belt, and the second material information is that there is waste smoke in the vibrating plate, then start timing from 0 to obtain the empty material time.

[0037] S261. Call the above duration threshold and compare the above empty material duration with the duration threshold;

[0038] S262. If the above empty material time is equal to or greater than the time threshold, the vibratory feeder will become blocked during sorting and generate a second alarm signal.

[0039] S263. If the above empty material time is less than the time threshold, the vibratory feeder will work normally.

[0040] S270. If the first material information is that no waste smoke enters the positioning belt, and the second material information is that there is no waste smoke in the vibrating plate, then a third feeding signal is generated.

[0041] Based on the third feed signal mentioned above, open the hopper door.

[0042] First, the system acquires primary material information (whether waste smoke enters) and secondary material information (whether waste smoke exists in the vibratory feeder). If waste smoke is detected entering the positioning belt and is indeed present in the vibratory feeder, it indicates that the vibratory feeder is working normally and there is no blockage. If waste smoke enters the positioning belt but is not detected in the vibratory feeder, it means that the material has not been successfully transferred to the vibratory feeder. Therefore, the system generates a secondary feed signal to open the hopper door and increase the material supply. If no waste smoke enters the positioning belt but is still present in the vibratory feeder, it means that the waste smoke has not been effectively discharged. At this time, the system starts timing from 0 and records the "empty material time". If the empty material time is long... If the time reaches or exceeds the preset threshold, it is considered that the vibratory feeder is blocked during sorting, and the system will generate a second alarm signal to prompt the operator or automatic control system to take appropriate measures. Conversely, if the empty material time does not reach the threshold, it means that there is a gap in the positioning belt, while the vibratory feeder is working normally. If no waste smoke enters the positioning belt and there is no waste smoke in the vibratory feeder, it means that the current material processing stage has ended, and the system generates a third feeding signal, and similarly opens the hopper door to prepare for the processing of the next batch of materials. The system can monitor the working status of the vibratory feeder, promptly detect and deal with possible blockage problems, and ensure the continuity and efficiency of the tobacco recycling process.

[0043] Furthermore, in the S300, the surface of the waste smoke needs to be cleaned before the cutting process. The specific steps include:

[0044] S340. Call the air blowing position and determine whether there is waste smoke at the air blowing position based on the above air blowing position and waste smoke position;

[0045] S350. If there is waste smoke at the above-mentioned air blowing location, an air blowing signal is generated.

[0046] Based on the above air blowing signal, the waste smoke at the air blowing location is treated by air blowing.

[0047] S360. If there is no waste smoke at the above-mentioned air blowing position, an air blowing stop signal is generated.

[0048] The process of cleaning the surface of the waste smoke before slitting ensures the smooth progress of subsequent processing steps and the quality of tobacco recycling. The system determines whether there is waste smoke at the air blowing location. Once the presence of waste smoke is confirmed, the system generates an air blowing signal. Based on this signal, the air blowing equipment starts and powerfully blows away impurities and dust from the waste smoke surface, preventing impurities and dust from being mixed into the tobacco during slitting and screening, thus improving the quality of the recycled tobacco. If there is no waste smoke at the air blowing location, the system generates an air blowing stop signal, immediately shutting down the air blowing equipment to prevent unnecessary energy consumption.

[0049] Furthermore, in S320, when cutting the waste smoke at the cutting position, it is also necessary to measure the laser power to obtain the laser power value.

[0050] S321. Call the power threshold range and determine whether the above laser power value is within the power threshold range;

[0051] S322. If the above laser power value is within the power threshold range, then the laser is normal.

[0052] S323. If the laser power value is outside the power threshold range, a laser adjustment signal is generated; the laser power is adjusted according to the laser adjustment signal.

[0053] Maintaining the laser source power within the power threshold range solves the safety issues caused by excessive laser power leading to waste smoke combustion and the problem of insufficient laser power preventing paper cutting. If the monitored laser power value falls within the preset power threshold range, it indicates that the current power output of the laser equipment meets the process requirements, and normal slitting can continue. This means that the laser equipment is in a highly efficient and stable operating state, which helps ensure the slitting accuracy and integrity of the waste smoke. When the detected laser power value exceeds the preset power threshold range, the system generates a laser adjustment signal to adjust the laser power, promptly correcting power deviations caused by various factors and maintaining the stability and reliability of the slitting process.

[0054] Furthermore, after the above-mentioned waste smoke is cut and processed, it also needs to undergo the following:

[0055] S500. Determine whether the above-mentioned waste smoke is smoldering. If the waste smoke is smoldering, transport the waste smoke to the isolation zone and isolate the waste smoke through the isolation zone.

[0056] The specific steps for determining whether smoldering occurs in the waste smoke include:

[0057] S510. Call the laser power value when cutting the above-mentioned waste smoke. The power threshold range includes the upper power threshold.

[0058] Compare the above laser power values ​​with the upper power threshold;

[0059] S511. If the laser power value is greater than the upper limit threshold, then the waste smoke is smoldering.

[0060] S512. If the laser power value is less than the upper limit threshold, then the waste smoke does not have smoldering.

[0061] S520. Extract the red area and the cut area from the above waste smoke information. If no red area is extracted, then the waste smoke does not have smoldering.

[0062] If the red area mentioned above is extracted, determine whether the red area is located within the incision area;

[0063] S521. If the red area mentioned above is located within the cut area, then the waste smoke is smoldering.

[0064] S522. If the aforementioned red area is not located within the cut area, then the waste smoke does not have smoldering. To prevent potential safety hazards, the system detects whether smoldering occurs after the waste smoke is cut. The system retrieves the laser power value recorded during the cutting process and compares it with a pre-set power upper limit threshold. If the laser power value is higher than the power upper limit threshold, it means that smoldering has formed inside the waste smoke, and emergency measures need to be taken to avoid fire risks. In this case, the system will determine that the waste smoke has smoldering and automatically transport it to the isolation area for further processing. If the laser power value is lower than or equal to the power upper limit threshold, it can be preliminarily considered that the waste smoke does not have the risk of smoldering, and the subsequent processing procedure continues. Visual recognition technology is used to assist in determining whether smoldering occurs in waste smoke that is preliminarily considered to have no smoldering. The red area (representing a flame or a marking line on the cigarette paper) and the cut area are extracted from the image information of the waste smoke, and the positional relationship between the two is analyzed. If the red area appears within the cut area, it means that there is an unextinguished heat source on the tobacco, i.e., there is a sign of smoldering. If the red area appears outside the cut area, it means that the red area is a marking line on the cigarette paper, and there is no sign of smoldering. By following the steps above, waste smoke that poses a risk of smoldering can be identified and removed, thus preventing potential fire accidents.

[0065] Furthermore, in S400, based on the aforementioned waste smoke information, it is determined whether the waste smoke has been completely cut. Specific steps include:

[0066] S401. Extract the coordinates of the turning point of the waste smoke from the above waste smoke information;

[0067] S402. Determine the length of the waste smoke section by using the coordinates of adjacent turning points mentioned above;

[0068] S403. Traverse the coordinates of the above turning points, accumulate the length of the waste smoke section, and obtain the length of the waste smoke.

[0069] S404. Extract the endpoint coordinates of the upper cut of the waste smoke from the above waste smoke information;

[0070] S405. Determine the length of the cut segment using the coordinates of the adjacent endpoints mentioned above;

[0071] S406. Traverse the above endpoint coordinates, accumulate the cut segment lengths, and obtain the cut length;

[0072] S407. Compare the length of the waste smoke and the cut length mentioned above;

[0073] S408. If the length of the waste smoke is equal to the length of the cut, then the waste smoke cutting is complete.

[0074] S409. If the length of the waste smoke is greater than the length of the cut, the waste smoke sectioning is not completed.

[0075] Because the waste smoke can be curved or broken, the coordinates of its turning points are extracted from the waste smoke information. These coordinates indicate the curvature of the waste smoke. The length of each waste smoke segment is calculated based on these coordinates, and the actual length of the waste smoke is obtained by summing the lengths of all segments. Since the cutting position remains constant and the positioning belt transports the waste smoke in a fixed direction, the cut on the waste smoke is a straight line. If the waste smoke bends and the bent portion does not fall into the cutting position, the cut on the waste smoke will be broken, resulting in one or more cut segments. The endpoint coordinates of the cuts are extracted from the waste smoke information. These endpoint coordinates record the start and end points of the cut segments. The length of each cut segment is calculated based on the endpoint coordinates, and the lengths of all cut segments are summed to obtain the actual length of the cut on the waste smoke. If the actual length of the cut is equal to the actual length of the waste smoke, it means that every part of the waste smoke in the length direction has been completely cut, and the cutting process is considered to be complete. If the actual length of the cut is less than the actual length of the waste smoke, it means that there are uncut parts in the length direction of the waste smoke, the cutting process is not yet complete, the cut segments are discontinuous, and the paper cannot be fully unfolded, thus affecting the separation of the paper and tobacco.

[0076] The second aspect provides a computer-readable storage medium having computer program instructions stored thereon, which, when executed by a processor, implement the control method described above.

[0077] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0078] The waste smoke is sorted by the vibrating plate, and the material information at the beginning of the positioning belt is acquired in real time. The incoming material information at the beginning of the positioning belt is monitored, and an alarm is triggered in time when there is a gap. When the waste smoke continuously enters the positioning belt, the position of the waste smoke is monitored. When the waste smoke reaches the cutting position, a laser is emitted. By controlling the laser power, the laser cuts only the paper on the surface of the waste smoke without damaging the tobacco, avoiding the problems of over-cutting or incomplete cutting. The length and shape of the waste smoke are maintained, which is beneficial to subsequent screening and reuse. The waste smoke information is acquired to confirm whether the cutting is completed. The waste smoke that is not completed is sent back to the vibrating plate for reprocessing. This ensures that every piece of waste smoke entering the screener is fully cut. Because the waste smoke is kept intact during cutting, there is a large difference in volume between the paper and the tobacco. The paper and tobacco can be directly separated by screening. The situation where the tobacco contains paper is greatly reduced, which improves the quality of the recycled tobacco. Attached Figure Description

[0079] To more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly described below. It should be understood that the following drawings only show some embodiments of the present invention and should not be considered as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort. In the drawings:

[0080] Figure 1 This is the main flowchart of the control method;

[0081] Figure 2 This is a schematic diagram of the waste smoke and cut provided in Example 6. Detailed Implementation

[0082] To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the embodiments and accompanying drawings. The illustrative embodiments and descriptions of the present invention are only used to explain the present invention and are not intended to limit the present invention.

[0083] Example 1

[0084] Combination Figure 1 This embodiment 1 provides a control method for recycling cigarette tobacco, including the following steps:

[0085] S100. After receiving the recycling task, waste smoke is conveyed to the vibratory feeder through the hopper, and the waste smoke is sorted by the vibratory feeder.

[0086] S200: The sorted waste smoke is sequentially conveyed to the positioning belt; the material information at the starting end of the positioning belt is obtained to obtain the first material information;

[0087] Based on the aforementioned first material information, determine whether waste smoke has entered the positioning belt;

[0088] S210. If the first material information mentioned above indicates that waste smoke has entered the positioning belt, then a position detection signal is generated.

[0089] S220. If the first material information indicates that no waste smoke enters the positioning belt, then a first alarm signal is generated.

[0090] S300. Based on the above position detection signal, the position of the waste smoke on the positioning belt is detected in real time;

[0091] S310. Call the cutting position, and determine whether there is waste smoke at the cutting position based on the above waste smoke position and cutting position;

[0092] S320. If there is waste smoke at the above-mentioned cutting position, a laser emission signal is generated;

[0093] Based on the laser emission signal, the waste smoke at the cutting position is cut, and the cut waste smoke and the laser power when cutting the waste smoke are recorded.

[0094] S330. If there is no waste smoke at the above cutting position, a laser stop signal is generated;

[0095] S400. After the above cutting process is completed, the waste smoke information is obtained.

[0096] Based on the above waste smoke information, determine whether the waste smoke has been completely cut;

[0097] S410. If the above-mentioned waste smoke is cut, the waste smoke is transported to the screener for screening to obtain tobacco shreds and cigarette paper. The material accumulation on the screener is monitored in real time. When the material accumulation height is higher than the set second height threshold, an alarm signal is issued to remind the operator to clean it up.

[0098] S420. If the above-mentioned waste smoke cutting is not completed, the waste smoke is transported to a vibrating plate and reordered by the vibrating plate.

[0099] The waste smoke is sorted by the vibrating plate, and the material information at the beginning of the positioning belt is acquired in real time. The incoming material information at the beginning of the positioning belt is monitored, and an alarm is triggered in time when there is a gap. When the waste smoke continuously enters the positioning belt, the position of the waste smoke is monitored. When the waste smoke reaches the cutting position, a laser is emitted. By controlling the laser power, the laser cuts only the paper on the surface of the waste smoke without damaging the tobacco, avoiding the problems of over-cutting or incomplete cutting. The length and shape of the waste smoke are maintained, which is beneficial to subsequent screening and reuse. The waste smoke information is acquired to confirm whether the cutting is completed. The waste smoke that is not completed is sent back to the vibrating plate for reprocessing. This ensures that every piece of waste smoke entering the screener is fully cut. Because the waste smoke is kept intact during cutting, there is a large difference in volume between the paper and the tobacco. The paper and tobacco can be directly separated by screening. The situation where the tobacco contains paper is greatly reduced, which improves the quality of the recycled tobacco.

[0100] Example 2

[0101] Based on Example 1, in S100, it is also necessary to determine whether there is material accumulation in the vibratory feeder. The specific steps are as follows:

[0102] S110. Obtain the waste smoke accumulation height in the material area of ​​the vibratory plate to obtain the first accumulation height;

[0103] S120: Call the first height threshold and compare the first stacking height with the first height threshold;

[0104] S130. If the first stacking height is less than the first height threshold, then there is no material accumulation in the vibratory feeder, and a first feed signal is generated.

[0105] Based on the first feed signal mentioned above, open the hopper door;

[0106] S140. If the first stacking height is equal to or greater than the first height threshold, then there is material accumulation in the vibratory feeder, and a material limiting signal is generated.

[0107] Based on the aforementioned material limit signal, close the hopper door. A metal switch is used to verify that the door is fully closed.

[0108] To prevent excessive material accumulation, which can easily lead to blockage of the vibratory feeder, the system monitors the height of the waste smoke accumulation in the material area of ​​the vibratory feeder to obtain a first accumulation height and sets a first height threshold. This first height threshold is used to determine whether there is a risk of waste smoke accumulation in the vibratory feeder. When the first accumulation height is lower than the first height threshold, it indicates that the waste smoke accumulation in the vibratory feeder is within a controllable range, and feeding can continue. The generated first feeding signal will trigger the opening of the hopper door to ensure a continuous and stable supply of material. Once the first accumulation height reaches or exceeds the first height threshold, it indicates that there may be a risk of material accumulation in the vibratory feeder. At this time, the system will generate a material limiting signal and automatically close the hopper door to prevent excessive waste smoke accumulation in the vibratory feeder, thus avoiding blockage and reduced processing efficiency.

[0109] By monitoring and adjusting the material status of the vibratory feeder, processing delays or equipment failures caused by material accumulation are avoided, ensuring the continuity and stability of the tobacco recycling process, thereby indirectly improving the overall quality and production efficiency of the recycled tobacco.

[0110] Example 3

[0111] Based on any of the above embodiments, determine whether the vibratory feeder becomes blocked during sorting;

[0112] S230, Call the aforementioned first material information;

[0113] Obtain the material information inside the vibratory feeder to obtain the second material information; use the second material information to determine whether there is waste smoke inside the vibratory feeder.

[0114] S240. If the first material information is that waste smoke enters the positioning belt, and the second material information is that waste smoke exists in the vibratory feeder, then the vibratory feeder will operate normally.

[0115] S250. If the first material information is that waste smoke enters the positioning belt, and the second material information is that there is no waste smoke in the vibrating plate, then a second feeding signal is generated.

[0116] Based on the second feed signal mentioned above, open the hopper door;

[0117] S260. If the first material information is that no waste smoke enters the positioning belt, and the second material information is that there is waste smoke in the vibrating plate, then start timing from 0 to obtain the empty material time.

[0118] S261. Call the above duration threshold and compare the above empty material duration with the duration threshold;

[0119] S262. If the above empty material time is equal to or greater than the time threshold, the vibratory feeder will become blocked during sorting and generate a second alarm signal.

[0120] S263. If the above empty material time is less than the time threshold, the vibratory feeder will work normally.

[0121] S270. If the first material information is that no waste smoke enters the positioning belt, and the second material information is that there is no waste smoke in the vibrating plate, then a third feeding signal is generated.

[0122] Based on the third feed signal mentioned above, open the hopper door.

[0123] First, the system acquires primary material information (whether waste smoke enters) and secondary material information (whether waste smoke exists in the vibratory feeder). If waste smoke is detected entering the positioning belt and is indeed present in the vibratory feeder, it indicates that the vibratory feeder is working normally and there is no blockage. If waste smoke enters the positioning belt but is not detected in the vibratory feeder, it means that the material has not been successfully transferred to the vibratory feeder. Therefore, the system generates a secondary feed signal to open the hopper door and increase the material supply. If no waste smoke enters the positioning belt but is still present in the vibratory feeder, it means that the waste smoke has not been effectively discharged. At this time, the system starts timing from 0 and records the "empty material time". If the empty material time is long... If the time reaches or exceeds the preset threshold, it is considered that the vibratory feeder is blocked during sorting, and the system will generate a second alarm signal to prompt the operator or automatic control system to take appropriate measures. Conversely, if the empty material time does not reach the threshold, it means that there is a gap in the positioning belt, while the vibratory feeder is working normally. If no waste smoke enters the positioning belt and there is no waste smoke in the vibratory feeder, it means that the current material processing stage has ended, and the system generates a third feeding signal, and similarly opens the hopper door to prepare for the processing of the next batch of materials. The system can monitor the working status of the vibratory feeder, promptly detect and deal with possible blockage problems, and ensure the continuity and efficiency of the tobacco recycling process.

[0124] By following the steps above, the working status of the vibratory feeder can be monitored, and any potential blockages can be detected and addressed in a timely manner, ensuring the continuity and efficiency of the tobacco recycling process.

[0125] Example 4

[0126] Based on any of the above embodiments, in S300, the surface of the waste smoke needs to be cleaned before the cutting process. The specific steps include:

[0127] S340. Call the air blowing position and determine whether there is waste smoke at the air blowing position based on the above air blowing position and waste smoke position;

[0128] S350. If there is waste smoke at the above-mentioned air blowing location, an air blowing signal is generated.

[0129] Based on the above air blowing signal, the waste smoke at the air blowing location is treated by air blowing.

[0130] S360. If there is no waste smoke at the above-mentioned air blowing position, an air blowing stop signal is generated.

[0131] The process of cleaning the surface of the waste smoke before slitting ensures the smooth progress of subsequent processing steps and the quality of tobacco recycling. The system determines whether there is waste smoke at the air blowing location. Once the presence of waste smoke is confirmed, the system generates an air blowing signal. Based on this signal, the air blowing equipment starts and powerfully blows away impurities and dust from the waste smoke surface, preventing impurities and dust from being mixed into the tobacco during slitting and screening, thus improving the quality of the recycled tobacco. If there is no waste smoke at the air blowing location, the system generates an air blowing stop signal, immediately shutting down the air blowing equipment to prevent unnecessary energy consumption.

[0132] Example 5

[0133] Based on any of the above embodiments, in S320, when cutting the waste smoke at the cutting position, it is also necessary to measure the laser power to obtain the laser power value.

[0134] S321. Call the power threshold range and determine whether the above laser power value is within the power threshold range;

[0135] S322. If the above laser power value is within the power threshold range, then the laser is normal.

[0136] S323. If the laser power value is outside the power threshold range, a laser adjustment signal is generated; the laser power is adjusted according to the laser adjustment signal.

[0137] Maintaining the laser source power within the power threshold range solves the safety issues caused by excessive laser power leading to waste smoke combustion and the problem of insufficient laser power preventing paper cutting. If the monitored laser power value falls within the preset power threshold range, it indicates that the current power output of the laser equipment meets the process requirements and normal slitting can continue. This means that the laser equipment is in a highly efficient and stable operating state, which helps ensure the slitting accuracy and integrity of the waste smoke. When the detected laser power value exceeds the preset power threshold range, the system generates a laser adjustment signal to adjust the laser power. This dynamic adjustment mechanism can promptly correct power deviations caused by various factors (such as equipment aging and environmental changes), maintaining the stability and reliability of the slitting process.

[0138] In a specific embodiment, after the above-mentioned waste smoke is cut and processed, the following further steps are required:

[0139] S500. Determine whether the above-mentioned waste smoke is smoldering. If the waste smoke is smoldering, transport the waste smoke to the isolation zone and isolate the waste smoke through the isolation zone.

[0140] The specific steps for determining whether smoldering occurs in the waste smoke include:

[0141] S510. Call the laser power value when cutting the above-mentioned waste smoke. The power threshold range includes the upper power threshold.

[0142] Compare the above laser power values ​​with the upper power threshold;

[0143] S511. If the laser power value is greater than the upper limit threshold, then the waste smoke is smoldering.

[0144] S512. If the laser power value is less than the upper limit threshold, then the waste smoke does not have smoldering.

[0145] S520. Extract the red area and the cut area from the above waste smoke information. If no red area is extracted, then the waste smoke does not have smoldering.

[0146] If the red area mentioned above is extracted, determine whether the red area is located within the incision area;

[0147] S521. If the red area mentioned above is located within the cut area, then the waste smoke is smoldering.

[0148] S522. If the red area mentioned above is not located within the cut area, then the waste smoke does not have smoldering.

[0149] To prevent potential safety hazards, the system detects whether smoldering occurs in the waste smoke after it has been cut. The system retrieves the laser power value recorded during the cutting process and compares it to a pre-set power upper limit threshold. If the laser power value is higher than the upper limit threshold, it means smoldering has occurred inside the waste smoke, requiring emergency measures to avoid fire risks. In this case, the system determines that smoldering exists and automatically transports the waste smoke to an isolation zone for further processing. If the laser power value is lower than or equal to the upper limit threshold, it can be preliminarily considered that there is no risk of smoldering, and the subsequent processing continues. Visual recognition technology is used to assist in determining whether smoldering exists in waste smoke initially deemed not to be smoldering. Red areas (representing flames or markings on the cigarette paper) and the cut area are extracted from the waste smoke image information, and their positional relationship is analyzed. If the red area appears within the cut area, it means there is an unextinguished heat source on the tobacco, indicating smoldering. If the red area appears outside the cut area, it means the red area is a marking line on the cigarette paper, indicating no smoldering. Through these steps, waste smoke with smoldering risks is identified and removed, preventing potential fire accidents.

[0150] Example 6

[0151] Based on any of the above embodiments, in S400, the waste smoke is determined to be cut completely based on the aforementioned waste smoke information. Specific steps include:

[0152] S401. Extract the coordinates of the turning point of the waste smoke from the above waste smoke information;

[0153] S402. Determine the length of the waste smoke section by using the coordinates of adjacent turning points mentioned above;

[0154] S403. Traverse the coordinates of the above turning points, accumulate the length of the waste smoke section, and obtain the length of the waste smoke.

[0155] S404. Extract the endpoint coordinates of the upper cut of the waste smoke from the above waste smoke information;

[0156] S405. Determine the length of the cut segment using the coordinates of the adjacent endpoints mentioned above;

[0157] S406. Traverse the above endpoint coordinates, accumulate the cut segment lengths, and obtain the cut length;

[0158] S407. Compare the length of the waste smoke and the cut length mentioned above;

[0159] S408. If the length of the waste smoke is equal to the length of the cut, then the waste smoke cutting is complete.

[0160] S409. If the length of the waste smoke is greater than the length of the cut, the waste smoke sectioning is not completed.

[0161] For example, such as Figure 2 As shown, the coordinates of the turning point of the waste smoke are A(x) A ,y A B(x) B ,y B ), C(x) C ,y C The coordinates of the endpoints of the cut are a(x) a ,y a b(x) b ,y b ), c(x) c ,y c ), d(x d ,y d );

[0162] Calculate the length of the exhaust smoke using the following formula:

[0163]

[0164] S = S AB +S BC

[0165] Among them, S AB S represents the length of the waste smoke section from coordinate A to coordinate B; BC S represents the length of the waste smoke section from coordinate B to coordinate C; S represents the length of the waste smoke.

[0166] Calculate the cut length using the following formula:

[0167]

[0168] s = s ab +S cd

[0169] Among them, s ab S represents the length of the cut segment from coordinate a to coordinate b; cd represents the length of the cut segment from coordinate c to coordinate d; s represents the cut length;

[0170] Since S > s, the conclusion is that the waste smoke profile was not completed.

[0171] Because the waste smoke can be curved or broken, the coordinates of its turning points are extracted from the waste smoke information. These coordinates indicate the curvature of the waste smoke. The length of each waste smoke segment is calculated based on these coordinates, and the actual length of the waste smoke is obtained by summing the lengths of all segments. Since the cutting position remains constant and the positioning belt transports the waste smoke in a fixed direction, the cut on the waste smoke is a straight line. If the waste smoke bends and the bent portion does not fall into the cutting position, the cut on the waste smoke will be broken, resulting in one or more cut segments. The endpoint coordinates of the cuts are extracted from the waste smoke information. These endpoint coordinates record the start and end points of the cut segments. The length of each cut segment is calculated based on the endpoint coordinates, and the lengths of all cut segments are summed to obtain the actual length of the cut on the waste smoke. If the actual length of the cut is equal to the actual length of the waste smoke, it means that every part of the waste smoke in the length direction has been completely cut, and the cutting process is considered to be complete. If the actual length of the cut is less than the actual length of the waste smoke, it means that there are uncut parts in the length direction of the waste smoke, the cutting process is not yet complete, the cut segments are discontinuous, and the paper cannot be fully unfolded, thus affecting the separation of the paper and tobacco.

[0172] Example 7

[0173] This embodiment 7 provides a computer-readable storage medium storing computer program instructions, which, when executed by a processor, implement the control method described above.

[0174] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A control method for recycling cigarette tobacco, characterized in that, Includes the following steps: S100. After receiving the recycling task, waste smoke is conveyed to the vibratory feeder through the hopper, and the waste smoke is sorted by the vibratory feeder. S200: The sorted waste smoke is sequentially conveyed to the positioning belt; the material information at the starting end of the positioning belt is obtained to obtain the first material information; Based on the first material information, determine whether there is waste smoke entering the positioning belt; S210. If the first material information indicates that waste smoke has entered the positioning belt, a position detection signal is generated. S220. If the first material information indicates that no waste smoke enters the positioning belt, then a first alarm signal is generated. S300. Based on the position detection signal, the position of the waste smoke on the positioning belt is detected in real time; S310. Call the cutting position, and determine whether there is waste smoke at the cutting position based on the waste smoke position and the cutting position; S320. If there is waste smoke at the cutting position, a laser emission signal is generated; Based on the laser emission signal, the waste smoke at the cutting position is cut. S330. If there is no waste smoke at the cutting position, a laser stop signal is generated; S400: After the cutting process is completed, the waste smoke information is obtained. Based on the waste smoke information, it can be determined whether the waste smoke has been completely cut. S410. If the waste smoke is cut, the waste smoke is transported to a screener for screening to obtain tobacco shreds and cigarette paper. S420. If the waste smoke is not completely cut, the waste smoke is conveyed to a vibrating plate and reordered by the vibrating plate. After the waste smoke is cut and processed, it still needs to: S500. Determine whether the waste smoke is smoldering. If the waste smoke is smoldering, transport the waste smoke to the isolation zone and isolate the waste smoke through the isolation zone. The specific steps for determining whether smoldering occurs in the waste smoke include: S510. Call the laser power value when cutting the waste smoke, the power threshold range includes the upper power threshold; Compare the laser power value with the power upper limit threshold; S511. If the laser power value is greater than the upper power threshold, then the waste smoke is smoldering. S512. If the laser power value is less than the upper power threshold, then the waste smoke does not have smoldering. S520. Extract the red area and the cut area from the waste smoke information. If no red area is extracted, then the waste smoke does not have smoldering. If the red area is extracted, determine whether the red area is located within the incision area; S521. If the red area is located within the cut area, then the waste smoke is smoldering. S522. If the red area is not located within the cut area, then the waste smoke does not have smoldering. In step S400, the waste smoke information is used to determine whether the waste smoke has been completely cut. Specific steps include: S401. Extract the coordinates of the turning point of the waste smoke from the waste smoke information; S402. Determine the length of the waste smoke section by using the coordinates of adjacent turning points; S403. Traverse the coordinates of the turning points and accumulate the length of the waste smoke section to obtain the length of the waste smoke; S404. Extract the endpoint coordinates of the cut in the waste smoke from the waste smoke information; S405. Determine the length of the cut segment using the coordinates of the adjacent endpoints; S406. Traverse the endpoint coordinates, accumulate the cut segment lengths, and obtain the cut length; S407. Compare the length of the waste smoke with the cut length; S408. If the length of the waste smoke is equal to the length of the cut, then the waste smoke cutting is complete. S409. If the length of the waste smoke is greater than the length of the cut, the waste smoke sectioning is not completed.

2. The control method for recycling cigarette tobacco as described in claim 1, characterized in that, In step S100, it is also necessary to determine whether there is material accumulation in the vibratory feeder. The specific steps are as follows: S110. Obtain the waste smoke accumulation height in the material area of ​​the vibratory feeder to obtain the first accumulation height; S120: Call the first height threshold and compare the first stacking height with the first height threshold; S130. If the first stacking height is less than the first height threshold, then there is no material accumulation in the vibratory feeder, and a first feed signal is generated. Open the hopper door according to the first feed signal; S140. If the first stacking height is equal to or greater than the first height threshold, then there is material accumulation in the vibratory feeder, and a material limiting signal is generated. Based on the material limit signal, close the hopper door.

3. The control method for recycling cigarette tobacco as described in claim 1, characterized in that, It is also necessary to determine whether the vibratory feeder becomes clogged during sorting; S230, Retrieve the first material information; Obtain material information from the vibratory feeder to obtain second material information; use the second material information to determine whether there is waste smoke in the vibratory feeder. S240. If the first material information indicates that waste smoke enters the positioning belt, and the second material information indicates that waste smoke exists in the vibratory feeder, then the vibratory feeder will operate normally. S250. If the first material information indicates that waste smoke enters the positioning belt, and the second material information indicates that there is no waste smoke in the vibrating plate, then a second feeding signal is generated. Open the hopper door according to the second feed signal; S260. If the first material information is that no waste smoke enters the positioning belt, and the second material information is that there is waste smoke in the vibrating plate, then start timing from 0 to obtain the empty material time. S261. Call duration threshold, compare the empty material duration with the duration threshold; S262. If the empty material duration is equal to or greater than the duration threshold, the vibratory feeder will become blocked during sorting, generating a second alarm signal. S263. If the empty material time is less than the time threshold, the vibratory feeder will work normally. S270. If the first material information is that no waste smoke enters the positioning belt, and the second material information is that there is no waste smoke in the vibrating plate, then a third feeding signal is generated. The hopper door is opened according to the third feed signal.

4. The control method for recycling cigarette tobacco as described in claim 1, characterized in that, In the S300, the surface of the waste smoke needs to be cleaned before the cutting process. The specific steps include: S340. Call the air blowing position, and determine whether there is waste smoke at the air blowing position based on the air blowing position and the waste smoke position; S350. If there is waste smoke at the air blowing location, an air blowing signal is generated. Based on the air blowing signal, the waste smoke at the air blowing location is treated by air blowing. S360. If there is no waste smoke at the air blowing location, an air blowing stop signal is generated.

5. The control method for recycling cigarette tobacco as described in claim 1, characterized in that, In S320, when cutting the waste smoke at the cutting position, it is also necessary to measure the laser power to obtain the laser power value. S321. Call the power threshold range and determine whether the laser power value is within the power threshold range; S322. If the laser power value is within the power threshold range, then the laser is normal; S323. If the laser power value is outside the power threshold range, a laser adjustment signal is generated; the laser power is adjusted according to the laser adjustment signal.

6. A computer-readable storage medium having computer program instructions stored thereon, characterized in that, When the computer program instructions are executed by the processor, they implement the control method according to any one of claims 1 to 5.

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