A distributed intelligent tobacco multi-stage thinning device and a control method thereof

Abstract

The application discloses a kind of distributed intelligent tobacco multi-stage silk thinning device and control method thereof, belong to cigarette intelligent manufacturing technical field;The device adopts primary silk thinning device to loosen and scatter tobacco bunch in tobacco, and at the same time, long tobacco, short tobacco and other tobacco structures are layered;Secondary silk thinning device loosens and scatters tobacco bunch and long tobacco in upper layer again, removes tobacco bunch while reducing the proportion of long tobacco in tobacco structure;Secondary silk thinning device movable support intelligently controls the input of secondary silk thinning device tobacco processing flow by belt conveyor;And the number of tobacco bunch in winnowing machine and the amount of tobacco on belt conveyor are monitored in real time by tobacco winnowing monitoring module.The flexible silk thinning device of the application integrates flexible loosening, layering, silk bunch breaking and long tobacco cutting, has the advantages of flexible installation position, closed-loop intelligent control of tobacco structure ratio, removes tobacco bunch affecting tobacco winnowing effect, and further improves tobacco purity and rolling applicability.

Description

Technical Field

[0001] This invention relates to a multi-stage tobacco winding device, specifically a distributed intelligent multi-stage tobacco winding device and its control method, belonging to the field of intelligent cigarette manufacturing technology. Background Technology

[0002] After tobacco is dried, it may clump together. These clumps often contain stems, stalks, and other debris, which can cause them to carry these impurities into subsequent cigarette-making processes, reducing cigarette quality. Furthermore, clumps are often mistakenly removed during air separation, resulting in wasted raw materials. Intelligent cigarette manufacturing technology can significantly improve tobacco processing quality, increase processing efficiency, reduce energy consumption, and facilitate the digital transformation of the cigarette industry.

[0003] However, while existing tobacco loosening devices can loosen clumps of tobacco and cut long tobacco strands, they are usually integrated layouts and lack closed-loop feedback intelligent control functions for online monitoring. They maintain constant power and continuous operation during production, and there is no way to adaptively adjust power to reduce energy consumption. Furthermore, installation requires shutdown and modification of existing production lines.

[0004] In summary, the existing devices or methods for cutting clumps of tobacco and long tobacco strands still have the following problems: 1) It cannot accurately and loosely cut clumps of tobacco shreds and long tobacco shreds. Instead, it roughly breaks up the tobacco shreds on the conveyor belt, which easily causes the tobacco shreds to break up and reduces the whole tobacco shred rate. 2) The existing fiber-reducing device lacks intelligent control, resulting in unnecessary energy waste and an inability to perform adaptive processing; 3) Most existing filament feeding devices are integrated layouts. When implementing production line transformation, there are shutdowns and changes to the existing production line, resulting in excessive transformation costs.

[0005] Therefore, there is an urgent need to design a distributed intelligent tobacco thinning device that can reduce tobacco breakage while avoiding a decrease in the whole tobacco yield. Summary of the Invention

[0006] The purpose of this invention is to solve the problems existing in the prior art and provide a distributed intelligent multi-stage tobacco loosening device and its control method. By visually monitoring and identifying the number of clumps of tobacco and the material processing flow rate, the device's motion parameters are adjusted by the control module to achieve precise control of loosening clumps of tobacco and cutting off long tobacco strands, thereby reducing tobacco breakage.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: a distributed intelligent multi-stage tobacco winding device, comprising a belt conveyor inclined from bottom to top along the running direction, a primary winding device in the lower part of the belt conveyor, a secondary winding device in the upper part, a movable support for the secondary winding device in the lower part, a tobacco material input monitoring module located above the secondary winding device for monitoring the flow rate and blockage of tobacco material entering the secondary winding device, a tobacco air separation monitoring module located behind the secondary winding device for monitoring the number and volume of tobacco clumps in the air separator, and a control module that communicates with the tobacco material input monitoring module and the tobacco air separation monitoring module for data processing and command issuance; The primary fiber feeding device includes fixed supports vertically arranged at both ends along the running direction, and a primary fiber feeding device support frame inclinedly connected between two fixed supports on the left and right sides. The primary fiber feeding device support frame is arranged parallel above the belt conveyor. A primary AC geared motor, a primary active cutter roller, and a primary driven cutter roller are sequentially connected between the primary fiber feeding device support frames on both sides along the running direction. The output shaft of the primary AC geared motor drives the active shaft located at the center of the primary active cutter roller through the meshing connection of sprockets and chains. The primary active cutter roller synchronously meshes and drives the primary driven cutter roller. The secondary tobacco winding device includes a secondary tobacco winding device support frame positioned perpendicular to the running direction above the belt conveyor. A tobacco material input monitoring module is installed on the upper exterior of the support frame, a secondary AC geared motor is fixedly connected to the upper interior, and a rotating scraper and a secondary tobacco winding cutter roller are sequentially arranged below along the running direction. The output shaft of the secondary AC geared motor drives the secondary tobacco winding cutter roller to rotate via a drive sprocket and drive chain. The other end of the secondary tobacco winding cutter roller synchronously drives the rotating scraper to rotate via a synchronous sprocket and synchronous chain. A secondary fixed toothed disc is positioned directly below the secondary tobacco winding cutter roller, with the blades of the secondary tobacco winding cutter roller and the teeth of the secondary fixed toothed disc arranged alternately. A perforated guide plate is inclined upwards along the running direction below the rotating scraper and the secondary tobacco winding cutter roller. Below the guide plate is an air blowing pipe for assisting the tobacco to enter the rotating scraper and cleaning residual tobacco on the rotating scraper. A belt gap protection roller is also installed at the bottom of the secondary tobacco winding device support frame. The secondary fiber-winding device is movable above the belt conveyor and can move back and forth by connecting to the secondary fiber-winding device movable support. The secondary fiber-winding device movable support includes a fixed base frame located in the lower part of the belt conveyor and a support frame arm vertically connected to both sides of the secondary fiber-winding device support frame. The fixed base frame has horizontally arranged rails on its left and right inner side walls and lead screws running through its front and rear inner side walls. A DC geared motor that drives the lead screws is fixedly connected to the outside of the fixed base frame. The bottom of the support frame arm is equipped with support casters that roll back and forth. A middle connecting rod runs through the bottom of the left and right support frame arms. The two protruding ends of the middle connecting rod are slidably connected to the rails. The lead screw runs through the middle of the middle connecting rod. The secondary fiber-winding device drives the lead screw through the DC geared motor, which drives the support casters to move horizontally back and forth along the rails.

[0008] The upper part of the primary active cutter roller and the primary driven cutter roller corresponds to the outlet of the vibrating trough of the tobacco dryer upstream; and dust hoods with openings along the running direction are provided above the primary active cutter roller, the primary driven cutter roller and the outlet of the vibrating trough of the tobacco dryer and on both sides of the primary active cutter roller and the primary driven cutter roller.

[0009] A gap is provided between the primary driving cutter roller and the primary driven cutter roller, and the gap adjustment range is 2.5~10mm.

[0010] A gap is provided between the blade of the secondary filament-reaming cutter roller and the toothed plate of the secondary fixed toothed disc, and the gap adjustment range is 2.5~5mm.

[0011] The vertical gap between the lowest point of the lower end face of the guide plate and the upper end face of the belt conveyor is 500mm in diameter, which is the diameter of the belt gap protection roller.

[0012] The diameter of the belt gap protection roller is not less than 5mm.

[0013] The tobacco material input monitoring module is either built-in or externally connected to the support frame of the secondary tobacco winding device to monitor the flow rate of tobacco material entering the secondary tobacco winding device in real time.

[0014] The control module is either an independent control host or a controller integrated using an existing control host in a cigarette factory.

[0015] This invention also discloses a control method for a distributed intelligent multi-stage tobacco winding device, comprising the following steps: S1. Start the cigarette factory's tobacco processing line. The staff will set whether the working condition is a special working condition. If it is a special working condition, the secondary winding device will be shut down and the primary winding device will be running. Otherwise, it is a normal working condition and the primary and secondary winding devices will operate in conjunction. S2. Under normal operating conditions, the quantity and volume of tobacco clumps are monitored and fed back by the tobacco air separation monitoring module, and the tobacco material input monitoring module is monitored and fed back by the tobacco material flow rate and clogging status. The tobacco air separation monitoring module determines whether the quantity and volume of clumps exceed the standard, and the tobacco material input monitoring module determines whether there is clogging and the degree of clogging. S3. The initial state threshold value for whether the number or volume of tobacco clumps exceeds the standard, the initial value of the minimum processed tobacco material flow rate, and the initial state speed of the first-stage AC geared motor are manually set through the control module. When the tobacco air separation monitoring module detects that the number and volume of tobacco clumps in the tobacco air separator have not exceeded the initial state threshold, the primary and secondary tobacco loosening devices will continue to operate in their original states; or the DC geared motor will be adjusted to move the secondary tobacco loosening device forward in a step of 5cm until the number or volume of tobacco clumps approaches the standard threshold. When the tobacco air separation monitoring module detects that the number and volume of tobacco clumps in the tobacco air separator exceed the initial state critical value, it adjusts the speed of the first-stage AC geared motor to increase in a step of 5r / min, with a maximum increase of 90r / min and no further increase. At the same time, it adjusts the DC geared motor to move the second-stage tobacco loosening device backward in a step of 5cm. S4. The maximum speed of the two-stage AC geared motor can be manually set through the control module; When the tobacco material input monitoring module detects that the tobacco material is accumulated at the inlet guide plate by less than 3cm, it is determined that there is no blockage, and the secondary tobacco unblocking device maintains the current parameters. When the tobacco material accumulates at the inlet guide plate at a depth of 3cm to 6cm, it is judged as a slight blockage. At this time, the airflow intensity through the blowing pipe is increased by 10Pa per step, and the speed of the two-stage AC geared motor is increased by 5r / min per step. When the tobacco material accumulates at the inlet guide plate for more than 6cm, it is judged as a serious blockage. At this time, the airflow intensity through the blowing pipe increases, the speed of the secondary AC geared motor is adjusted to 25r / min, and the movable bracket of the secondary unwinding device drives the screw through the DC geared motor to make the bracket casters move horizontally along the track in 5cm increments. If the effect status is still within the judgment limit three minutes after the above process is executed once, the above operation will be executed again to form a loop control until the speed of the secondary AC geared motor is adjusted to the maximum speed and the DC geared motor drives the lead screw to move the bracket caster horizontally along the track to the maximum limit.

[0016] In step S3, when the DC geared motor stops moving forward and the amount of tobacco shredding in the secondary shredding device is less than the initial value of the minimum processed tobacco material flow rate, the secondary shredding device enters a low-energy intermittent operation mode. Then, the control module adjusts the speed of the primary AC geared motor, the primary AC geared motor, the primary active cutter roller, and the primary driven cutter roller to decrease to 10 r / min, and the primary shredding device enters an adaptive low-energy operation mode.

[0017] The beneficial effects of this invention are: 1) The flexible tobacco loosening device of the present invention integrates flexible loosening, layering and breaking up of tobacco clumps and cutting long tobacco shreds. It adopts a distributed installation method, which has the advantages of flexible installation location, no need to change the existing production line layout, only the addition of multi-stage loosening device and supporting video monitoring and control algorithm, which greatly reduces the transformation cost of existing production lines and facilitates large-scale promotion and application.

[0018] 2) This invention identifies the number of clumps of tobacco and the material processing flow rate through visual monitoring, and then adjusts the motion parameters of the device through the control module. This enables precise loosening of clumps of tobacco, reduces the proportion of long tobacco, and does not reduce the whole tobacco yield. At the same time, it has a closed-loop feedback intelligent control function with online monitoring, which adaptively adjusts the operating power of the loosening device according to the working conditions to reduce carbon emissions.

[0019] 3) The present invention uses a primary loosening device to loosen and stratify the tobacco material. For the clumps and long tobacco shreds distributed in the upper layer, a secondary loosening device is used to loosen and cut them, which reduces the breakage of the medium and short tobacco shreds distributed in the middle and lower layers, improves the tobacco structure ratio, removes tobacco clumps that affect the tobacco air separation effect, further improves the purity of tobacco shreds, and enhances the applicability of tobacco shreds for rolling. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the multi-stage tobacco winding device of the present invention; Figure 2 for Figure 1 Cross-sectional view of the intermediate-stage filament-reducing device; Figure 3 for Figure 1 Cross-sectional view of the intermediate-stage filament-reducing device; Figure 4 for Figure 1 A three-dimensional structural diagram of the middle two-stage filament-reducing device from the left rear view. Figure 5 for Figure 1 A three-dimensional structural diagram of the middle two-stage filament-reducing device from the right rear view; Figure 6 for Figure 1 Cross-sectional view of the movable support of the secondary fiber-reducing device; Figure 7This is a control flowchart of the control method of the present invention.

[0021] In the diagram, 1-first-stage tobacco winding device, 101-first-stage AC geared motor, 102-first-stage driving cutter roller, 103-first-stage driven cutter roller, 104-first-stage tobacco winding device support frame, 105-fixed bracket; 2-exit of the vibrating trough of the tobacco dryer, 3-dust hood, 4-belt conveyor, 5-second-stage tobacco winding device, 501-second-stage AC geared motor, 502-second-stage tobacco winding cutter roller, 503-second-stage fixed gear disc, 504-belt gap protection roller, 505-air blowing pipe, 506-guide 507-Rotating scraper, 508-Secondary winding device support frame, 509-Drive sprocket, 510-Drive chain, 511-Synchronous sprocket, 512-Synchronous chain; 6-Tobacco material input monitoring module, 7-Modible bracket of secondary winding device, 701-DC geared motor, 702-Support casters, 703-Screw, 704-Rail, 705-Bearing frame arm, 706-Fixed base frame, 707-Intermediate connecting rod; 8-Tobacco air separation monitoring module, 9-Control module. Detailed Implementation

[0022] The present invention will be further explained and described below with reference to the accompanying drawings and specific embodiments.

[0023] Example 1: As Figure 1-6 As shown, the present invention provides a distributed intelligent multi-stage tobacco winding device, including a belt conveyor 4 placed inclined from bottom to top along the running direction, a primary winding device 1 installed in the lower part of the belt conveyor 4, a secondary winding device 5 in the upper part, a movable support 7 for the secondary winding device in the lower part, a tobacco material input monitoring module 6 installed above the secondary winding device 5 for monitoring the flow rate and blockage of tobacco material entering the secondary winding device 5, a tobacco air separation monitoring module 8 arranged behind the secondary winding device 5 for monitoring the number and volume of tobacco clumps in the air separator, and a control module 9 that communicates with the tobacco material input monitoring module 6 and the tobacco air separation monitoring module 8 for data processing and command issuance.

[0024] The primary fiber feeding device 1 includes fixed brackets 105 vertically installed at both ends along the running direction, and a primary fiber feeding device support frame 104 inclinedly connected between the two fixed brackets 105 on the same side. The primary fiber feeding device support frame 104 is arranged parallel above the belt conveyor 4. A primary AC geared motor 101, a primary active cutter roller 102, and a primary driven cutter roller 103 are sequentially connected between the primary fiber feeding device support frames 104 on both sides along the running direction. The output shaft of the primary AC geared motor 101 drives the active shaft located at the center of the primary active cutter roller 102 through the meshing connection of sprockets and chains. The primary active cutter roller 102 synchronously meshes and drives the primary driven cutter roller 103.

[0025] The primary loosening device 1 evenly distributes the tobacco material processed by the upstream tobacco dryer through the tobacco dryer's vibrating trough outlet 2 onto the primary active cutter roller 102 and the primary driven cutter roller 103. The primary AC geared motor 101 drives the primary active cutter roller 102 and the primary driven cutter roller 103 to perform initial loosening and stratification. Medium, short, and broken tobacco fibers fall preferentially into the lower layer of the belt conveyor 4 through the gap between the primary active cutter roller 102 and the primary driven cutter roller 103. The tobacco clumps and long tobacco fibers are pulled forward and conveyed by the primary active cutter roller 102 and the primary driven cutter roller 103 and then fall onto the upper layer of the belt conveyor 4.

[0026] The secondary tobacco winding device 5 includes a secondary tobacco winding device support frame 508 installed perpendicular to the running direction above the belt conveyor 4. A tobacco material input monitoring module 6 is installed on the upper exterior of the support frame 508, a secondary AC geared motor 501 is fixedly connected to the upper interior, and a rotating scraper 507 and a secondary tobacco winding cutter roller 502 are sequentially arranged below along the running direction. The output shaft of the secondary AC geared motor 501 drives the secondary tobacco winding cutter roller 502 to rotate via a drive sprocket 509 and a drive chain 510. The other end of the secondary tobacco winding cutter roller 502 is connected to a synchronous sprocket 511 and a synchronous chain 510. 12 meshing connections synchronously drive the rotating scraper 507 to rotate; a secondary fixed toothed disc 503 is provided directly below the secondary shredding roller 502, and the blades of the secondary shredding roller 502 and the teeth of the secondary fixed toothed disc 503 are arranged alternately. A perforated guide plate 506 is provided inclined upward along the running direction below the rotating scraper 507 and the secondary shredding roller 502. An air blowing pipe 505 is provided below the guide plate 506 to assist the tobacco in entering the rotating scraper 507 and to clean the residual tobacco on the rotating scraper 507. A belt gap protection roller 504 is also provided at the bottom of the secondary shredding device support frame 508.

[0027] The secondary winding device 5 is installed on the movable support 7 of the secondary winding device, with the guide plate of the secondary winding machine positioned above and centered on the belt of the belt conveyor 4. The secondary winding device 5 drives the secondary winding cutter roller 502 and the rotating scraper 507 via the secondary AC geared motor 501. The guide plate 506 of the secondary winding device 5 guides the tobacco clumps and long tobacco shreds on the upper layer of the belt of the belt conveyor 4 into the rotating scraper 507, which further conveys the tobacco clumps and long tobacco shreds to the secondary winding cutter roller 502. The air blowing pipe 505 assists the tobacco shreds in entering the rotating scraper 507 and cleans the residual tobacco shreds on the rotating scraper 507, reducing tobacco breakage. The secondary winding cutter roller 502 and the secondary fixed toothed disc 503 perform secondary winding of the tobacco clumps and long tobacco shreds that were not completely loosened and cut by the primary winding device 1 through the tearing force generated by the secondary winding cutter roller 502 and the secondary fixed toothed disc 503.

[0028] The secondary fiber-reducing device 5 is movable above the belt conveyor 4 via a secondary fiber-reducing device movable support 7. The secondary fiber-reducing device movable support 7 includes a fixed base frame 706 located at the lower part of the belt conveyor 4 and bearing frame arms 705 vertically connected to both sides of the secondary fiber-reducing device support frame 508. The fixed base frame 706 has horizontally arranged rails 704 on its left and right inner side walls and lead screws 703 running through its front and rear inner side walls. A drive connection is fixedly connected to the outside of the fixed base frame 706. The DC geared motor 701 of the lead screw 703 and the support caster 702 that rolls in the front and back direction are provided at the bottom of the support arm 705. The bottom of the left and right support arms 705 are connected by a middle connecting rod 707. The two protruding ends of the middle connecting rod 707 are slidably connected in the track 704. The lead screw 703 is connected through the middle of the middle connecting rod 707. The secondary wire feeding device 5 drives the lead screw 703 through the DC geared motor 701 to drive the support caster 702 to move horizontally back and forth along the track 704.

[0029] The primary active cutter roller 102 and the primary driven cutter roller 103 are positioned above the upstream tobacco dryer vibrating trough outlet 2; and dust hoods 3 with openings along the running direction are provided above the primary active cutter roller 102, the primary driven cutter roller 103 and the tobacco dryer vibrating trough outlet 2 and on both sides of the primary active cutter roller 102 and the primary driven cutter roller 103; the primary unwinding device 1 is installed inside the dust hood 3 at the front end of the belt conveyor 4 to define the working area and protect the safety of the workers.

[0030] The tobacco air separation monitoring module 8 is installed outside or inside the transparent window of the tobacco air separator to monitor the quantity and volume of tobacco clumps in the air separator. The data is fed back to the control module 9 via a wire mesh to enable closed-loop intelligent control of the multi-stage tobacco sorting device.

[0031] The control module 9 can be a newly installed independent control host or an integrated control unit using an existing control host in the cigarette factory. It is used to process the feedback signals from the tobacco material input monitoring module 6 and the tobacco air separation monitoring module 8, and at the same time send control commands to the first-stage AC geared motor 101, the second-stage AC geared motor 501, and the DC geared motor 701.

[0032] like Figure 7 As shown, the present invention also discloses a control method for a distributed intelligent multi-stage tobacco winding device, the control process of which is illustrated by the following two examples.

[0033] Work Example 1: When the cigarette factory's tobacco processing line starts up, under special operating conditions, the secondary tobacco winding device is shut down, and the primary tobacco winding device operates in conjunction with it. Under normal operating conditions, the distributed intelligent multi-stage tobacco winding device of this invention is used, including a primary winding device 1, a secondary winding device 5, a secondary winding device tobacco material input monitoring module 6, and a secondary winding device movable support 7, to adjust and set parameters and operate synchronously with the secondary winding device tobacco material input monitoring module 6, the tobacco air separation monitoring module 8, the control module 9, and the tobacco dryer vibrating trough outlet 2, dust collector 3, belt conveyor 4, and tobacco air separator on the production line.

[0034] When the tobacco air separation monitoring module 8 detects that the number and volume of tobacco clumps in the tobacco air separator exceed the initial set value 2 of the standard, the control module 9 adjusts the initial set speed of the first-stage AC geared motor 101 to 15 r / min. The speeds of the first-stage AC geared motor 101, the first-stage active cutter roller 102, and the first-stage driven cutter roller 103 are increased in a step of 5 r / min, enhancing the unwinding performance of the first-stage unwinding device 1. At the same time, the control module 9 adjusts the DC geared motor 701 to move the second-stage unwinding device 5 backward in a step of 5 cm, increasing the input of tobacco material on the upper layer of the belt conveyor 4 to the second-stage unwinding cutter roller 502, the second-stage fixed toothed disc 503, the guide plate 506, and the rotating scraper 507. The unwinding amount of the second-stage unwinding device 5 is increased, reducing the amount of loose tobacco that is missed.

[0035] When the tobacco shred air separation monitoring module 8 does not detect that the number or volume of tobacco shreds in the tobacco shred air separator exceeds the standard value, the control module 9 adjusts the DC geared motor 701 to move the secondary shredding device 5 forward in a step of 5cm, reducing the input of tobacco material on the upper layer of the belt conveyor 4 to the secondary shredding cutter roller 502, secondary fixed toothed disc 503, guide plate 506, and rotating scraper 507. The shredding amount of the secondary shredding device 5 is reduced, reducing tobacco breakage. This continues until the online real-time video monitoring of the tobacco shreds detects that the number or volume of the tobacco shreds is close to the standard critical value, at which point the DC geared motor 701 stops moving. When the DC geared motor 701 stops moving forward, the secondary winding device 5 stops moving forward. If the winding amount of the secondary winding device 5 is less than the initial setting of the minimum processing tobacco material flow rate of 2000 kg / h, the secondary winding device 5 enters a low-energy intermittent operation mode. Then, the control module 9 adjusts the primary AC geared motor 101, the primary active cutter roller 102, and the primary driven cutter roller 103 to reduce their speed to 10 r / min, and the primary winding device enters an adaptive low-energy operation mode.

[0036] Specifically, when the online real-time video monitoring module 6 of the secondary winding device detects that excessive tobacco material from the upper layer of the belt conveyor 4 is being fed into the secondary winding cutter roller 502, the secondary fixed toothed disc 503, the guide plate 506, and the rotating scraper 507, resulting in material blockage, the secondary winding device tobacco material input monitoring module 6 intelligently controls the initial set value according to the degree of blockage. When the tobacco material accumulates less than 3cm at the inlet guide plate 506, it is determined that there is no blockage, and the secondary winding device 5 maintains the current parameters. When the tobacco material accumulates 3cm to 6cm at the inlet guide plate 506, it is determined to be a slight blockage, and at this time, the secondary AC geared motor... The rotation speed of 501 is increased in increments of 5 r / min. The control module 9 adjusts the airflow intensity of the blowing pipe 505 to increase by 10 Pa per increment, enhancing the entry of auxiliary tobacco into the rotating scraper 507. This enhances the tobacco-loosening capacity of the secondary tobacco-loosening device 5 and eliminates the risk of tobacco blockage. When the tobacco material accumulates at the inlet guide plate 506 for more than 6 cm, it is considered a serious blockage. At this time, the rotation speed of the secondary AC geared motor 501 is adjusted to 25 r / min. The movable bracket 7 of the secondary tobacco-loosening device drives the lead screw 703 through the DC geared motor 701, causing the bracket caster 702 to move horizontally along the track 704 in increments of 5 cm, reducing the amount of tobacco loosened by the secondary tobacco-loosening device 5.

[0037] Work Example 2: The intelligent air separation control program of the tobacco processing line starts running synchronously. The default state is non-special working conditions, which is set by the staff. Under special working conditions, the secondary tobacco winding device does not operate, and the primary tobacco winding device operates in conjunction. Under normal working conditions, the distributed intelligent multi-stage tobacco winding device of the present invention is used, including primary winding device 1, secondary winding device 5, secondary winding device tobacco material input monitoring module 6, and secondary winding device movable support 7, so as to debug and set parameters and operate synchronously with secondary winding device tobacco material input monitoring module 6, tobacco air separation monitoring module 8, control module 9, and tobacco dryer vibrating trough outlet 2, dust hood 3, belt conveyor 4, and tobacco air separator on the production line.

[0038] The tobacco material falls from the vibrating trough outlet 2 of the tobacco dryer onto the primary winding device 1. The control module 9 controls the primary AC geared motor 101 to operate at an initial speed of 30 r / min, driving the primary active cutter roller 102 and the primary driven cutter roller 103. The tobacco material is dispersed by the primary active cutter roller 102 and the primary driven cutter roller 103 and falls onto the belt conveyor 4 for subsequent steps. The primary winding device can achieve a uniform distribution of short tobacco shreds on the bottom layer and long tobacco shreds on the top layer on the belt. As the belt conveyor runs, the tobacco is transported into the secondary winding device 5. The tobacco material comes into contact with the guide plate 506 and is fed into the secondary winding cutter roller 502 through the air pipe 505 and the rotating scraper 507. The secondary winding cutter roller 502 is driven by the secondary AC geared motor 501 to rotate at an initial speed of 15 r / min.

[0039] The primary winding device 1, secondary winding device 5, secondary winding device tobacco material input monitoring module 6, secondary winding device movable support 7, and tobacco air separation monitoring module 8 are all logically controlled by control module 9. The secondary winding anti-blocking closed-loop control subroutine mainly controls secondary winding device 5 and secondary winding device movable support 7. When tobacco material on belt conveyor 4 enters secondary winding device 5, this process is monitored by tobacco material input monitoring module 6. When the tobacco material accumulates less than 3cm at the inlet guide plate 506, it is determined that there is no blockage and secondary winding device 5 maintains the current parameters. When the tobacco material accumulates 3cm~6cm at the inlet guide plate 506, it is determined to be slightly blocked. At this time, the airflow intensity through the blowing pipe 505 increases by 10Pa per step, and the speed of the secondary AC geared motor 501 increases by one step. The speed is increased by 5 r / min in each step. When the tobacco material accumulates at the inlet guide plate 506 for more than 6 cm, it is judged as a serious blockage. At this time, the airflow intensity through the blowing pipe 505 increases, and the speed of the secondary AC geared motor 501 is adjusted to 25 r / min. The movable bracket 7 of the secondary tobacco unwinding device drives the screw 703 through the DC geared motor 701 to make the bracket caster 702 move horizontally along the track 704 in 5 cm steps. If the effect is still within the judgment limit after three minutes of executing this state once, the above operation will be executed again to form a cycle control until the speed of the secondary AC geared motor 501 is adjusted to the maximum speed of 30 r / min and the DC geared motor 701 drives the screw 703 to make the bracket caster 702 move horizontally along the track 704 to the maximum limit.

[0040] The control program for the closed-loop tobacco bundle unwinding system monitors the number of tobacco bundles through the tobacco air separation monitoring module 8, which then feeds back the data to the control module 9 for logical judgment and control of the primary unwinding device 1 and the secondary unwinding device 5. First, it checks whether the number of tobacco bundles monitored by the tobacco air separation monitoring module 8 exceeds the initial threshold value of 2. This value can be manually adjusted in the control module 9. When the detected number of tobacco bundles is less than or equal to 2, the primary unwinding device 1 and the secondary unwinding device 5 continue to operate as before. When the detected number of tobacco bundles is greater than 2, the control module 9 controls the speed of the primary AC geared motor 101 in the primary unwinding device 1 to increase in increments of 5 r / min, with a maximum increase to 90 r / min. Simultaneously, the movable support 7 of the secondary unwinding device is linked, driven by the DC geared motor 701, which drives the screw 703 to move the support casters 702 backward along the track 704, allowing more tobacco material to be processed by the secondary unwinding device 5. The horizontal movement is 5 cm per increment. This process is monitored by the tobacco air separation monitoring module 8 and controlled in real time by the control module 9.

[0041] This invention identifies the number of clumps of tobacco and the material processing flow rate through visual monitoring, and then adjusts the motion parameters of the device through the control module. This enables precise loosening of clumps of tobacco, reducing the proportion of long tobacco without reducing the whole tobacco yield. It also features a closed-loop feedback intelligent control function with online monitoring, which adaptively adjusts the operating power of the loosening device according to the working conditions, thereby reducing carbon emissions.

[0042] The above description is only used to illustrate the technical solution of the present invention and is not intended to limit it. Any other modifications or equivalent substitutions made by those skilled in the art to the technical solution of the present invention, as long as they do not depart from the spirit and scope of the technical solution of the present invention, should be covered within the scope of the claims of the present invention.

Claims

1. A distributed intelligent multi-stage tobacco winding device, characterized in that: The system includes a belt conveyor (4) inclined from bottom to top along the running direction, a primary winding device (1) in the lower part of the belt conveyor (4), a secondary winding device (5) in the upper part, a movable support (7) for the secondary winding device in the lower part, a tobacco material input monitoring module (6) located above the secondary winding device (5) and used to monitor the flow rate and blockage of tobacco material entering the secondary winding device (5), a tobacco air separation monitoring module (8) located behind the secondary winding device (5) and used to monitor the number and volume of tobacco clumps in the air separator, and a control module (9) that communicates with the tobacco material input monitoring module (6) and the tobacco air separation monitoring module (8) and performs data processing and command issuance. The primary fiber feeding device (1) includes fixed brackets (105) vertically arranged at both ends along the running direction, and a primary fiber feeding device support frame (104) inclinedly connected between the two fixed brackets (105) on the same side. The primary fiber feeding device support frame (104) is arranged parallel above the belt conveyor (4). A primary AC geared motor (101), a primary active cutter roller (102) and a primary driven cutter roller (103) are sequentially connected between the primary fiber feeding device support frames (104) on both sides along the running direction. The output shaft of the primary AC geared motor (101) drives the active shaft located at the center of the primary active cutter roller (102) through the meshing connection of sprockets and chains. The primary active cutter roller (102) synchronously meshes and drives the primary driven cutter roller (103). The secondary winding device (5) includes a secondary winding device support frame (508) arranged perpendicular to the running direction above the belt conveyor (4). A tobacco material input monitoring module (6) is installed on the upper exterior of the secondary winding device support frame (508), a secondary AC geared motor (501) is fixedly connected to the upper interior, and a rotating scraper (507) and a secondary winding cutter roller (502) are arranged sequentially below along the running direction. The output shaft of the secondary AC geared motor (501) drives the secondary winding cutter roller (502) to rotate via a drive sprocket (509) and a drive chain (510). The other end of the secondary winding cutter roller (502) is connected to a synchronous sprocket (511) and a synchronous chain (510). 512) The meshing connection synchronously drives the rotating scraper (507) to rotate; a secondary fixed toothed disc (503) is provided directly below the secondary shredding roller (502), and the blades of the secondary shredding roller (502) and the teeth of the secondary fixed toothed disc (503) are arranged alternately. A perforated guide plate (506) is provided below the rotating scraper (507) and the secondary shredding roller (502) along the running direction. A blowing pipe (505) is provided below the guide plate (506) to assist the tobacco into the rotating scraper (507) and clean the residual tobacco on the rotating scraper (507). A belt gap protection roller (504) is also provided below the bottom of the secondary shredding device support frame (508). The secondary fiber-reducing device (5) is mounted on the secondary fiber-reducing device movable bracket (7) and can be moved back and forth above the belt conveyor (4). The secondary fiber-reducing device movable bracket (7) includes a fixed base frame (706) located in the lower part of the belt conveyor (4) and a bearing frame arm (705) vertically connected to both sides of the secondary fiber-reducing device support frame (508). The fixed base frame (706) has horizontally arranged rails (704) on its left and right inner side walls and screw rods (703) running through its front and rear inner side walls. The fixed base frame (706) is externally fixedly connected to a drive connecting screw rod. The DC geared motor (701) of (703) has a support caster (702) that rolls in the front and back direction at the bottom of the support arm (705). A middle connecting rod (707) is also connected between the bottoms of the left and right support arms (705). The ends of the middle connecting rod (707) are slidably connected to the rail (704). The lead screw (703) is connected through the middle part of the middle connecting rod (707). The secondary wire feeding device (5) drives the lead screw (703) through the DC geared motor (701) to drive the support caster (702) to move horizontally back and forth along the rail (704).

2. The distributed intelligent multi-stage tobacco winding device according to claim 1, characterized in that: The upper part of the primary active cutter roller (102) and the primary driven cutter roller (103) corresponds to the upstream tobacco dryer vibrating trough outlet (2); and dust hoods (3) with openings along the running direction are provided on the upper part of the primary active cutter roller (102), the primary driven cutter roller (103) and the tobacco dryer vibrating trough outlet (2) and on both sides of the primary active cutter roller (102) and the primary driven cutter roller (103).

3. The distributed intelligent multi-stage tobacco winding device according to claim 1, characterized in that: A gap is provided between the primary active cutter roller (102) and the primary driven cutter roller (103), and the gap adjustment range is 2.5~10mm.

4. The distributed intelligent multi-stage tobacco winding device according to claim 1, characterized in that: A gap is provided between the blade of the secondary filament-splitting cutter roller (502) and the toothed plate of the secondary fixed toothed disc (503), and the gap adjustment range is 2.5~5mm.

5. A distributed intelligent multi-stage tobacco winding device according to claim 1, characterized in that: The vertical gap between the lowest point of the lower end face of the guide plate (506) and the upper end face of the belt conveyor (4) is the diameter of the belt gap protection roller (504) up to 500mm.

6. A distributed intelligent multi-stage tobacco winding device according to claim 1 or 5, characterized in that: The diameter of the belt gap protection roller (504) is not less than 5mm.

7. A distributed intelligent multi-stage tobacco winding device according to claim 1, characterized in that: The tobacco material input monitoring module (6) is built into or externally connected to the secondary winding device support frame (508) to monitor the flow rate of tobacco material entering the secondary winding device (5) in real time.

8. The distributed intelligent multi-stage tobacco winding device and its control method according to claim 1, characterized in that: The control module (9) is an independent control host or a controller integrated using the existing control host of the cigarette factory.

9. A control method for a distributed intelligent multi-stage tobacco winding device as described in any one of claims 1 to 8, characterized in that: Includes the following steps: S1. Start the cigarette factory's tobacco processing line. The staff will set whether the working condition is a special working condition. If it is a special working condition, the secondary winding device (5) will be shut down and the primary winding device (1) will be in operation. Otherwise, it is a normal working condition and the primary winding device (1) and the secondary winding device (5) will be in operation together. S2. Under normal working conditions, the quantity and volume of tobacco clumps are monitored and fed back by the tobacco air separation monitoring module (8), and the tobacco material input monitoring module (6) is monitored and fed back the tobacco material flow rate and clogging status. The tobacco air separation monitoring module (8) determines whether the quantity and volume of clumps exceed the standard, and the tobacco material input monitoring module (6) determines whether there is clogging and the degree of clogging. S3. The initial state threshold value for whether the number or volume of tobacco shreds exceeds the standard, the initial value of the minimum processed tobacco material flow rate, and the initial state speed of the first-stage AC geared motor (101) are manually set by the control module (9). When the tobacco air separation monitoring module (8) detects that the number and volume of tobacco clumps in the tobacco air separator have not exceeded the initial state threshold, the first-stage loosening device (1) and the second-stage loosening device (5) continue to operate in their original state; or the DC geared motor (701) is adjusted to move the second-stage loosening device (5) forward in a step of 5cm until the number or volume of tobacco clumps approaches the standard threshold, at which point the DC geared motor (701) stops moving the second-stage loosening device (5) forward. When the tobacco air separation monitoring module (8) detects that the number and volume of tobacco clumps in the tobacco air separator exceed the initial state critical value, it adjusts the speed of the first-stage AC geared motor (101) to increase by a step of 5r / min, with the maximum value being 90r / min and no further increase. At the same time, it adjusts the DC geared motor (701) to move the second-stage loosening device (5) backward by a step of 5cm. S4. Manually set the maximum speed of the two-stage AC geared motor (501) through the control module (9); When the tobacco material input monitoring module (6) detects that the tobacco material is piled up at the inlet guide plate (506) for less than 3cm, it is determined that there is no blockage and the secondary tobacco unblocking device (5) maintains the current parameters. When the tobacco material accumulates at the inlet guide plate (506) for 3cm to 6cm, it is judged as a slight blockage. At this time, the airflow intensity through the blowing pipe (505) increases by 10Pa per step, and the speed of the two-stage AC geared motor (501) increases by 5r / min per step. When the tobacco material accumulates at the inlet guide plate (506) for more than 6cm, it is judged as a serious blockage. At this time, the airflow intensity through the blowing pipe (505) increases, the speed of the secondary AC geared motor (501) is adjusted to 25r / min, and the movable bracket (7) of the secondary unwinding device drives the screw (703) through the DC geared motor (701) to make the bracket caster (702) move horizontally along the track (704) in 5cm increments. If the effect status is still within the judgment limit after three minutes after the above process is executed once, the above operation will be executed again to form a loop control until the speed of the secondary AC geared motor (501) is adjusted to the maximum speed and the DC geared motor (701) drives the lead screw (703) to make the bracket caster (702) move horizontally along the track (704) to the maximum limit.

10. The control method for a distributed intelligent multi-stage tobacco winding device according to claim 9, characterized in that: In step S3, when the DC geared motor (701) stops moving forward, the secondary winding device (5) and the winding amount of the secondary winding device (5) is less than the initial value of the minimum processed tobacco material flow rate, the secondary winding device (5) enters a low-energy intermittent operation mode; then, the control module (9) adjusts the speed of the primary AC geared motor (101), the primary AC geared motor (101), the primary active cutter roller (102), and the primary driven cutter roller (103) to decrease to 10 r / min, and the primary winding device enters an adaptive low-energy operation mode.

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