CN113812661B - Automatic tracing method and system for sorting non-smoke substances in leaves - Google Patents
Automatic tracing method and system for sorting non-smoke substances in leaves Download PDFInfo
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- CN113812661B CN113812661B CN202111063321.2A CN202111063321A CN113812661B CN 113812661 B CN113812661 B CN 113812661B CN 202111063321 A CN202111063321 A CN 202111063321A CN 113812661 B CN113812661 B CN 113812661B
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/18—Other treatment of leaves, e.g. puffing, crimpling, cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/14—Details or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/14—Details or accessories
- B07B13/18—Control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B15/00—Combinations of apparatus for separating solids from solids by dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/018—Certifying business or products
- G06Q30/0185—Product, service or business identity fraud
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/04—Manufacturing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Abstract
The invention belongs to the technical field of tobacco shred production and discloses an automatic tracing method and system for sorting non-smoke substances in leaves, wherein a PLC (programmable logic controller) system starts to time after receiving a tobacco bale in-place signal and sends triggering information to a tobacco leaf raw material information transmission system; the tobacco raw material information transmission system acquires tobacco raw material information from logistics equipment; a spraying pressure signal when the optical sorting machine sorts the non-smoke substances is obtained through the sorting signal output system and is transmitted to the PLC system; the PLC system obtains control information according to the blowing pressure signal and the database and sends the control information to the image acquisition processing system and the information locking processing system; the image acquisition processing system acquires the non-smoke substance sorting effect image; the information locking processing system acquires and locks tobacco raw material information, time information and effect images. The tobacco shred production line non-smoke material sorting and tracing system can realize sorting, tracing and accurate screening of the non-smoke materials of the tobacco shred production line.
Description
Technical Field
The invention belongs to the technical field of tobacco shred production, and particularly relates to an automatic tracing method and system for sorting non-smoke substances in leaves.
Background
Non-tobacco substances refer to all substances not belonging to tobacco leaves and stems. If non-smoke substances are mixed into cigarette products, the taste, the smoking flavor and the like of the cigarettes can be directly influenced, and even the physical and psychological health of people can be endangered. The non-tobacco material is mainly from two sources, namely, the non-tobacco material is mixed into tobacco raw materials in the links of flue-cured tobacco production, purchase, redrying and the like, and certain continuity exists in the tobacco raw materials, namely, the non-tobacco material of the same type can appear in a plurality of tobacco packets of the same grade and the same batch, is mostly embedded in the tobacco packets and is difficult to find. And the second is mixing in the production link of silk making.
The tobacco shredding production line currently mainly adopts an optical sorting machine to sort the non-smoke substances in the tobacco leaves. But non-smoke material sorting still has residues and cannot be traced, and the main problems are that: firstly, part of non-smoke substances are not sprayed and sorted by a high-speed airflow of an ejector of an optical sorting machine and then flow into the subsequent process, the sorting missing time, the sort and the quantity of the non-smoke substances which are missed and sorted cannot be traced, and the subsequent screening is difficult; second, tobacco bale raw materials become scattered leaf state through processing after getting into the production line through logistics equipment, and tobacco leaf information no longer trails and transmits, and the non-tobacco material that can't trace back the sorting of edulcoration process derives from the tobacco bale of that batch and grade, is difficult to the orientation and traces back the miscellaneous situation of warehouse raw materials batch, can't screen non-tobacco material from the source.
Disclosure of Invention
The invention provides an automatic tracing method and system for sorting non-smoke substances in leaves, and solves the problems that the non-smoke substances in a tobacco shred production line cannot be traced and accurately screened in the prior art.
The invention provides an automatic tracing method for sorting non-smoke substances in leaves, which comprises the following steps:
when the tobacco packets are conveyed from the logistics equipment to the production line, detecting equipment arranged at an inlet of the production line detects the tobacco packet in-place signals and sends the tobacco packet in-place signals to the PLC system;
the PLC system starts timing after receiving the tobacco bale in-place signal and sends triggering information to the tobacco leaf raw material information transmission system;
the tobacco raw material information transmission system receives the trigger information and then acquires tobacco raw material information from the logistics equipment;
a spraying pressure signal when the optical sorting machine sorts the non-smoke substances is obtained through a sorting signal output system and is transmitted to the PLC system;
the PLC system obtains control information according to the blowing pressure signal and a prestored database, and sends the control information to an image acquisition processing system and an information locking processing system respectively;
after the image acquisition processing system receives the control information, acquiring a non-smoke substance sorting effect image, and outputting the obtained effect image to the information locking processing system;
and after receiving the control information, the information locking processing system acquires the tobacco raw material information from the tobacco raw material information transmission system, acquires the time information from the PLC system, acquires the effect image from the image acquisition processing system, and locks the tobacco raw material information, the time information and the effect image to obtain locking information.
Preferably, the automatic leaf non-smoke substance sorting tracing method further comprises the following steps:
after the PLC system obtains the control information, the PLC system also sends the control information to an online automatic sampling device;
after receiving the control information, the on-line automatic sampling device automatically samples the tobacco leaves after the non-smoke substances are sorted, and sends sampling completion information to the sound-light alarm device after sampling;
and the sound and light alarm device performs sound and light alarm after receiving the sampling completion information so as to remind a worker to replace the sampling box and confirm the non-smoke substance sorting effect.
Preferably, the tobacco raw material information transmission system transmits the tobacco raw material information synchronously in the production process; the production process is tracked in the whole process and displayed in real time through the industrial personal computer of the production line, and the information of the tobacco raw materials flowing through the optical sorting machine is recorded and displayed.
Preferably, the tobacco raw material information transmission system is used for measuring and calculating the processing and conveying time of the tobacco leaves on the production line, and establishing a stack data model, wherein the stack data model is used for reflecting the characteristics of the transmission of the tobacco raw material information and the synchronization of the processing and conveying of the tobacco leaves on the production line.
Preferably, after the tobacco leaves enter the production line, the time t for synchronously stacking the tobacco leaf raw material information to the photoelectric sorting machine is represented as follows:
t＝t Δ +t 8 +t 9 +t 10 +t 11 +t 12 +t 13 +t rest time
Wherein, t Δ Conveying time of the tobacco leaves sequentially passing through the first belt conveyor, the second belt conveyor, the third belt conveyor, the slicing machine and the electronic belt scale is recorded as first time; t is t 8 The conveying time, t, of the tobacco leaves on the high-frequency vibration groove 9 The conveying time, t, of the tobacco leaves on the loosening and conditioning machine 10 For the conveying time, t, of the tobacco leaves on the vibrating conveyor 11 For the conveying time, t, of the tobacco leaves on the fourth belt conveyor 12 The conveying time, t, of the tobacco leaves on the de-hemp and de-blocking machine 13 For the conveying time, t, of the tobacco leaves on the optical sorting machine Rest time Normal down time of the tobacco leaves in conveying; l is the total length of the conveying distance from the first belt conveyor to the electronic belt scale, and v is the belt linear speed corresponding to the output frequency signal of the frequency converter of the electronic belt scale.
Preferably, a chip mixing side line is arranged before the loosening and moisture regaining process, and the first time t is compared with the first time t under the condition that the chip mixing side line is connected with the electronic belt scale Δ Making a correction for a first time t Delta correction Expressed as:
wherein v is Sheet The belt line speed corresponding to the output frequency signal of the frequency converter of the electronic belt scale when the tobacco leaf slices are blended on the side line;
when the production line is in fault shutdown, the method also comprises the step of setting down time t Rest time And (6) correcting.
Preferably, the effect image comprises a non-smoke substance image and a pure tobacco leaf image after sorting the non-smoke substance; and after the image acquisition and processing system obtains the effect image, the effect image is transmitted to a PC (personal computer) end, and the image is processed or cached through the PC end.
Preferably, the value f of the pressure variation detected by the high-pressure air jet of the injector during the sorting of the different types of non-smoke substances in the optical sorting machine Δ Testing to obtain a reference pressure value f Reference(s) Pressure variation value f with high probability of missed sorting corresponding to different types of non-smoke substances Δ Threshold value f of Valve with a valve body (ii) a Wherein the reference pressure value f Datum The pressure value of a compressed air supply source connected with the ejector of the optical sorting machine when the ejector is not in operation is determined, and the pressure change value f Δ Subtracting the reference pressure value f from the actual pressure value detected when the high-pressure airflow is sprayed by the sprayer of the optical sorting machine Reference(s) Obtaining a numerical value; the high probability occurrence missing picking is defined as the condition that the probability of occurrence missing picking is greater than a preset first probability;
the database stores the reference pressure value f Reference(s) Threshold f corresponding to different types of non-smoke substances Valve with a valve body ；
If the pressure variation value corresponding to the blowing pressure signal obtained by the PLC system is at the reference pressure value f Datum If so, not sending the control information;
if the pressure change value corresponding to the blowing pressure signal obtained by the PLC system exceeds the threshold value f corresponding to a certain type of non-smoke substance Valve with a valve body The control information is sent out.
The invention provides an automatic leaf non-smoke substance sorting and tracing system, which comprises: the system comprises a PLC system, a tobacco raw material information transmission system, a sorting signal output system, an image acquisition processing system, an information locking processing system, an online automatic sampling device and an audible and visual alarm device;
the automatic leaf non-smoke substance sorting and tracing system is used for realizing the steps in the automatic leaf non-smoke substance sorting and tracing method.
Preferably, the sorting signal output system comprises a pressure transmitter which is arranged on a compressed air pipeline of the ejector of the optical sorting machine;
the image acquisition and processing system comprises a first camera and a second camera; the first camera is arranged at the outlet of the optical sorting machine and is positioned above the admission groove; the second camera is arranged at an outlet of the collection rejecting groove;
the online automatic sampling device is arranged on the collection allowing groove and comprises a turning plate, an air cylinder and a sampling box, and the turning plate is driven by the air cylinder to rotate;
and the sound-light alarm device is arranged on a rack of the online automatic sampling device.
One or more technical schemes provided by the invention at least have the following technical effects or advantages:
according to the automatic leaf non-smoke substance sorting and tracing method, when the non-smoke substances are sorted, the tobacco leaf raw material information, the time information and the effect image can be locked, sorting and tracing and accurate screening of the non-smoke substances in the tobacco shred production line are achieved, the non-smoke substance screening efficiency and correctness of the tobacco shred production line can be remarkably improved, and the product quality is guaranteed. The automatic leaf non-smoke substance sorting and tracing system provided by the invention is simple in structure and convenient to use.
Drawings
Fig. 1 is a schematic flow chart of an automatic leaf non-smoke substance sorting tracing method according to an embodiment of the present invention;
FIG. 2 is a schematic view of a tobacco-shredding line;
FIG. 3 is a schematic diagram illustrating the transmission of tobacco material information according to an embodiment of the present invention;
fig. 4 is a schematic installation diagram of a detection device corresponding to the optical sorting machine according to the embodiment of the present invention;
fig. 5 is a schematic diagram illustrating control information sent by a PLC system in an automatic leaf non-smoke substance sorting and tracing method according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an online automatic sampling device in an automatic leaf non-smoke substance sorting and tracking system according to an embodiment of the present invention.
The device comprises a logistics device 1, a first belt conveyor 2, a second belt conveyor 3, a third belt conveyor 4, a slicer 5, a sheet blending side line 6, an electronic belt scale 7, a high-frequency vibration groove 8, a loosening and dampening machine 9, a vibration conveyor 10, a fourth belt conveyor 11, a hemp and pieces removing machine 12, an optical sorting machine 13, an admission groove 14, a recovery groove 15, a first camera 16, a second camera 17, a pressure transmitter 18, a compressed air pipeline 19, a pressure reducing valve 20, a flap 21, a hinge 22, an air cylinder rod 23, an air cylinder 24, an admission groove frame 25 and an audible and visual alarm 26.
Detailed Description
In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.
Example 1:
embodiment 1 provides an automatic leaf non-smoke substance sorting tracing method, which mainly includes the following steps with reference to fig. 1 to 6:
when the tobacco packets are conveyed from the logistics equipment 1 to the production line, detecting equipment arranged at an inlet of the production line detects the tobacco packet in-place signals and sends the tobacco packet in-place signals to the PLC system;
the PLC system starts timing after receiving the tobacco bale in-place signal and sends triggering information to the tobacco leaf raw material information transmission system;
the tobacco raw material information transmission system receives the trigger information and then acquires tobacco raw material information from the logistics equipment;
a spraying pressure signal when the optical sorting machine 13 sorts the non-smoke substances is obtained through a sorting signal output system and is transmitted to the PLC system;
the PLC system obtains control information according to the blowing pressure signal and a prestored database, and sends the control information to an image acquisition processing system and an information locking processing system respectively;
after the image acquisition processing system receives the control information, acquiring a non-smoke substance sorting effect image, and outputting the obtained effect image to the information locking processing system;
and after receiving the control information, the information locking processing system acquires the tobacco raw material information from the tobacco raw material information transmission system, acquires the time information from the PLC system, acquires the effect image from the image acquisition processing system, and locks the tobacco raw material information, the time information and the effect image to acquire locking information.
In addition, in a preferred scheme, after the PLC system obtains the control information, the PLC system also sends the control information to an online automatic sampling device; after receiving the control information, the on-line automatic sampling device automatically samples the tobacco leaves after non-smoke substances are sorted, and after sampling, sends sampling completion information to the sound and light alarm device 26; and the sound and light alarm device 26 performs sound and light alarm after receiving the sampling completion information so as to remind workers to replace the sampling boxes and confirm the non-smoke substance sorting effect.
The tobacco raw material information transmission system synchronously transmits the tobacco raw material information in the production process; the production process is tracked and displayed in real time in the whole process through the industrial personal computer of the production line, and the information of the tobacco raw materials flowing through the optical sorting machine 13 is recorded and displayed.
The tobacco raw material information transmission system is used for measuring and calculating the processing and conveying time of tobacco leaves on a production line, and establishing a stack data model which is used for reflecting the characteristic that the transmission of tobacco raw material information and the processing and conveying of the tobacco leaves on the production line are synchronous.
After tobacco leaves enter the production line, the time t for synchronously stacking the tobacco leaf raw material information to the photoelectric sorting machine is represented as follows:
t＝t Δ +t 8 +t 9 +t 10 +t 11 +t 12 +t 13 +t rest time
Wherein, t Δ The conveying time of the tobacco leaves sequentially passing through the first belt conveyor 2, the second belt conveyor 3, the third belt conveyor 4, the slicing machine 5 and the electronic belt scale 7 is recorded as first time; t is t 8 The conveying time, t, of the tobacco leaves on the high-frequency vibrating trough 8 9 The conveying time, t, of the tobacco leaves on the loosening and conditioning machine 9 10 For the conveying time, t, of the tobacco leaves on the vibrating conveyor 10 11 For the conveying time, t, of the tobacco leaves on the fourth belt conveyor 11 12 For the conveying time, t, of the tobacco leaves on the de-hemp and de-blocking machine 12 13 For the conveying time, t, of the tobacco leaves on the optical sorting machine 13 Rest time The normal stop time of the tobacco leaves in the conveying process is adopted; l is the total length of the conveying distance from the first belt conveyor 2 to the electronic belt scale 7, and v is the belt linear speed corresponding to the output frequency signal of the frequency converter of the electronic belt scale 7.
A specific calculation method comprises the following steps: and respectively measuring the belt linear speed corresponding to the frequency of the frequency converter of the electronic belt scale 7 at 0-50 Hz on site, drawing a function image of the frequency and the linear speed, judging that the function distribution of the function image accords with the function distribution of a fold line function according to the function image, and converting the 0-50 Hz signal into the corresponding belt linear speed by the fold line function. For example, the polyline (HSCHARC) function module approximates a non-linear function with 10-segment polylines, and for any input, the module uses a linear interpolation method to obtain an output based on preset polyline data points.
In addition, a flake mixing side line 6 is arranged before the loosening and dampening process, and the flake mixing side line 6 is connected with the electronic belt scale 7For the first time t Δ Making a correction for a first time t Delta correction Expressed as:
wherein v is Sheet The belt linear speed corresponding to the output frequency signal of the frequency converter of the electronic belt scale when the tobacco leaf slices are blended on the side line.
A specific correction method comprises the following steps: after the sheet raw materials in the sheet mixing bypass 6 are independently fed into the electronic belt scale 7 at the flow rates of 100 kg/h, 200 kg/h, 300 kg/h, 400 kg/h and the like through field test, the output frequency signal of a frequency converter of the electronic belt scale 7 is measured and calculated through a fold line function to obtain the belt linear velocity v Delta flakes . The modified trigger signal is the flow signal of the flake mixing bypass 6.
When the production line is in fault shutdown, the method also comprises the step of stopping time t Rest time And (6) correcting.
Namely, the stack data model can be automatically corrected when the production line is in failure and shutdown, and the transmission synchronization of materials and information can be ensured. The production line fault stop correction triggering signal is a flow stop signal of the electronic belt scale 7.
Wherein the effect image comprises a non-tobacco matter image and a pure tobacco leaf image after sorting the non-tobacco matter; and after the image acquisition and processing system obtains the effect image, the effect image is transmitted to a PC (personal computer) end, and the image is processed or cached through the PC end.
Wherein the value f of the pressure change detected by the injector injecting a high-pressure air stream when sorting different types of non-smoke substances for the optical sorting machine Δ Testing to obtain a reference pressure value f Reference(s) Pressure variation value f corresponding to different types of non-smoke substances and having high probability of missing sorting Δ Threshold value f of Valve with a valve body (ii) a Wherein the reference pressure value f Reference(s) Compressed air supply for an ejector of an optical sorting machineThe pressure value of (f), the pressure variation value of Δ Subtracting the reference pressure value f from the actual pressure value detected when the injector of the optical sorting machine sprays high-pressure airflow Datum Obtaining a numerical value; the high probability of missed picking is defined as the case that the probability of missed picking is greater than a preset first probability.
The database stores the reference pressure value f Reference(s) Threshold f corresponding to different types of non-smoke substances Valve with a valve body 。
If the pressure variation value corresponding to the blowing pressure signal obtained by the PLC system is at the reference pressure value f Datum If so, not sending the control information; if the pressure change value corresponding to the blowing pressure signal obtained by the PLC system exceeds the threshold value f corresponding to a certain type of non-smoke substance Valve with a valve body Then the control information is sent out.
For example, the reference pressure value f Reference(s) Generally, the reference pressure value is a fixed value of 0.25MP, the reference pressure values corresponding to different types of non-smoke substances are the same, and the threshold values f corresponding to different types of non-smoke substances Valve with a valve body Is different.
Example 2:
embodiment 1 provides a leaf non-smoke substance sorting automatic traceability system, see fig. 1 to 6, comprising: a PLC system, a tobacco leaf raw material information transmission system, a sorting signal output system, an image acquisition processing system, an information locking processing system, an online automatic sampling device and an acousto-optic alarm device 26. The automatic leaf non-smoke substance sorting and tracing system provided by the embodiment 2 is used for realizing the steps in the automatic leaf non-smoke substance sorting and tracing method in the embodiment 1.
Wherein the sorting signal output system comprises a pressure transmitter 18, the pressure transmitter 18 is mounted on a compressed air pipeline 19 of the ejector of the optical sorting machine; in particular, the pressure transmitter 18 is mounted on a pressure reducing valve 20 of a compressed air conduit 19 of the optical sorting 13. The image acquisition processing system comprises a first camera 16 and a second camera 17; the first camera 16 is mounted at the outlet of the optical sorting machine 13 and above the admission chute 14; the second camera 17 is installed at the outlet of the reject slot 15; the online automatic sampling device is arranged on the collection allowing groove 14 and mainly comprises a turning plate 21, an air cylinder 24 and a sampling box, wherein the turning plate 21 is driven by the air cylinder 24 to rotate; the sound and light alarm device 26 is installed on the frame of the online automatic sampling device.
The present invention is further described below.
A digital model for synchronous tobacco leaf information transmission when tobacco leaf raw materials flow on a production line is established in the tobacco leaf raw material information transmission system, and the tobacco leaf raw material information is transmitted to an optical sorting machine procedure through a stacking procedure.
The information locking processing system is a system capable of automatically locking information of tobacco raw materials and information of non-smoke substances sorted by the optical sorting machine when the tobacco raw materials are sorted out of the non-smoke substances by the optical sorting machine, the system finally obtains locking information, and the locking information comprises brand batches, information of tobacco bale raw materials, time, images of the non-smoke substances and images of the materials after the non-smoke substances are sorted (namely pure tobacco images), and the locking information is displayed in a list form and stored for a period of time so as to be convenient for tracing and checking.
The sorting signal output system is used for detecting a pressure change signal (namely a blowing pressure signal) when the ejector of the optical sorting machine emits high-pressure gas to sort the non-smoke substances and feeding the pressure change signal back to the PLC system; the PLC system compares the blowing pressure signal with data in a database, and feeds back the blowing pressure signal to the image acquisition processing system, the information locking processing system and the online automatic sampling device if the blowing pressure signal reaches a set threshold value so as to perform image sampling of non-smoke substance sorting effect, automatic locking of the sorted non-smoke substance and corresponding tobacco leaf raw materials and control of online automatic sampling.
Two sampling cameras in the image acquisition and processing system are respectively arranged above an admission groove and an outlet of a rejection groove of the optical sorting machine and are used for respectively acquiring pure tobacco leaf images and non-tobacco substance images after non-tobacco substances are sorted. In addition, the system realizes high-speed acquisition and storage of images of the camera by controlling the SP-PLD device through the single chip microcomputer, realizes image transmission by image compression of the single chip microcomputer and serial communication of the PC, and realizes image processing and display at the PC end.
The online automatic sampling device is used for automatically sampling the tobacco leaves after the non-tobacco substances are sorted so as to confirm the sorting effect.
Specifically, when 200 kg/each package of tobacco leaf raw materials leave the logistics equipment 1 and enter a first belt conveyor 2 of a production line, after detecting that tobacco leaves are in place, an inherent photoelectric switch on the first belt conveyor 2 sends a cigarette package in-place signal to the PLC system; and the PLC system starts timing after receiving the tobacco bale in-place signal and sends triggering information to the tobacco leaf raw material information transmission system. The tobacco raw material information transmission system acquires tobacco raw material information from a storage management system corresponding to the logistics equipment 1, and in the production process, the tobacco raw material information transmission system synchronously transmits the tobacco raw material information, and finally transmits the tobacco raw material information to the optical sorting machine through a stacking program and automatically locks the tobacco raw material information with non-smoke substances sorted out by the materials.
The tobacco leaf raw material information transmission system is connected with the logistics equipment storage management system through a network communication port.
The implementation mode of the synchronous transmission of the tobacco raw material information is as follows: the processing and conveying time t of the tobacco leaves on the production line is measured and calculated, a stack data model which synchronously transmits the tobacco leaf raw material information and the processing operation and conveying of the tobacco leaves on the production line is established, the model reflects the characteristic that the transmission of the tobacco leaf information and the processing operation and conveying of the tobacco leaves on the production line are synchronous, the information of the materials passing through the optical sorting machine can be displayed on an industrial personal computer of the production line in real time, and the information of the tobacco leaf materials passing through the optical sorting machine can be tracked and transmitted in the whole batch production process.
Establishing a control model of the tobacco raw material information transmission system according to field measurement, namely establishing a stack data model for synchronously transmitting the tobacco raw material information and tobacco in production line processing operation and conveying, wherein the parameters contained in the model comprise: tobacco leaf raw material information, a photoelectric switch detection signal on the first belt conveyor, a frequency signal of the electronic belt scale, a flow signal of a flake mixing bypass, processing and conveying time from the first belt conveyor to the optical sorting machine and the like.
The image acquisition processing in the image acquisition processing system adopts a separated hardware acquisition and processing mode.
As shown in fig. 6, the online automatic sampling device is installed on the acceptance slot 14 and comprises a turning plate 21, an air cylinder 24 and a sampling box; the turning plate 21 is formed by cutting a rectangular notch on the trough body of the allowed collecting trough 14, and processing and manufacturing a corrugated plate turning plate with the same specification as the rectangular notch, wherein the turning plate 21 is connected with the trough body of the allowed collecting trough 14 through four hinges 22; the air cylinder 24 is arranged below the turning plate 21, the air cylinder 24 is connected with a workshop inherent air source through a compressed air pipeline 19, and the tail part of the non-working end of the air cylinder 24 is connected with a groove closing allowing machine frame 25 through a pin. The cylinder rod 23 is connected with a bracket welded below the turning plate 21 through a pin. The turning plate 21 is driven by the cylinder 24 to rotate at a working track of 0-90 degrees; the sampling box is a food grade plastic box commonly used in the market.
The main working flow of the invention is as follows: when 200/each cigarette packet is conveyed from the logistics equipment 1 to enter the first belt conveyor 2, a photoelectric switch arranged on the first belt conveyor 2 feeds detected cigarette packet in-place signals back to a PLC system through a data line, the PLC system sends trigger information to the tobacco leaf raw material information transmission system, the tobacco leaf raw material information transmission system obtains logistics information output by a warehouse management system of the logistics equipment 1, and meanwhile, a timer in the PLC system starts timing. The tobacco raw material information transmission system synchronously transmits the tobacco raw material information and tobacco to the optical sorting machine 13 on the production line according to the established stack data model, the flow and frequency signal of the electronic belt scale 7 and the flow signal of the electronic belt scale of the slice mixing bypass line 6, which are acquired by the PLC system, and displays the tobacco raw material information and the tobacco on the industrial personal computer of the production line in real time, so that the tobacco material information flowing through the optical sorting machine can be tracked and recorded in the whole production process. In the process of sorting the non-smoke materials by the optical sorting machine, a compressed air pipe connected with an ejector of the optical sorting machine 13 is installedThe pressure transmitter 18 on the pressure reducing valve 20 of the channel 19 feeds back the detected pressure change value to the sorting signal output system through a data line. The PLC system receives the pressure change value and compares the pressure change value with a database reference pressure value f Reference(s) Comparing and comparing the pressure change value f Δ And is compared with a threshold value f Valve with a valve body Comparison, if f Δ Up to or over f Valve with a valve body And the PLC system outputs control signals to the information locking processing system, the image acquisition processing system and the online automatic sampling device. Wherein, the PLC system controls a first camera 16 installed at the outlet of the optical sorting machine 13 and above the receiving-allowed groove 14 and a second camera 17 installed at the outlet of the receiving-refused groove 15 through an external trigger line to respectively collect corresponding images. The collected images are transmitted through serial communication of a PC (personal computer), and image processing and caching are realized at the PC end; and meanwhile, the information locking processing system acquires information such as brand batches, tobacco bale raw material information, time, non-smoke substance images, material images after the non-smoke substances are sorted and the like from the PLC system, the tobacco leaf raw material transmission system and the image acquisition processing system, locks the information, and displays and stores the information in a list form for a period of time so as to facilitate tracing and investigation. The on-line automatic sampling device automatically opens a preset time after receiving the trigger signal to automatically sample the tobacco leaves after the non-tobacco substances are sorted so as to confirm the sorting effect, and performs sound and light alarm after sampling to remind operators to replace sampling boxes and confirm the non-tobacco substance sorting effect.
The automatic tracing method and system for sorting the non-smoke substances in the leaves provided by the embodiment of the invention at least have the following technical effects:
the method solves the problems that the non-tobacco substances and the impurity-containing tobacco leaf raw materials which are missed in sorting in the non-tobacco substance sorting process of the traditional cut tobacco production line cannot be traced back in real time, so that the non-tobacco substances and the impurity-containing tobacco leaf raw materials which are missed in sorting cannot be effectively traced back in time and accurately checked and sorted, and can remarkably improve the sorting rate of the non-tobacco substances of the cut tobacco production line and ensure the product quality.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (9)
1. An automatic tracing method for sorting non-smoke substances in leaves is characterized by comprising the following steps:
when the tobacco packets are conveyed from the logistics equipment to the production line, detecting equipment arranged at an inlet of the production line detects the tobacco packet in-place signals and sends the tobacco packet in-place signals to the PLC system;
the PLC system starts timing after receiving the tobacco bale in-place signal and sends triggering information to a tobacco leaf raw material information transmission system;
the tobacco raw material information transmission system receives the trigger information and then obtains tobacco raw material information from the logistics equipment;
a spraying pressure signal when the optical sorting machine sorts the non-smoke substances is obtained through a sorting signal output system and is transmitted to the PLC system;
the PLC system obtains control information according to the blowing pressure signal and a prestored database, and sends the control information to an image acquisition processing system and an information locking processing system respectively;
after the image acquisition processing system receives the control information, acquiring a non-smoke substance sorting effect image, and outputting the obtained effect image to the information locking processing system;
after receiving the control information, the information locking processing system acquires the tobacco raw material information from the tobacco raw material information transmission system, acquires the time information from the PLC system, acquires the effect image from the image acquisition processing system, and locks the tobacco raw material information, the time information and the effect image to acquire locking information;
wherein different types of non-smoke objects are sorted by means of an optical sorting machinePressure change value f detected by high-pressure airflow injected by mass time injector Δ Testing to obtain a reference pressure value f Reference(s) Pressure variation value f corresponding to different types of non-smoke substances and having high probability of missing sorting Δ Threshold value f of Threshold value (ii) a Wherein the reference pressure value f Datum The pressure value of a compressed air supply source connected with the ejector of the optical sorting machine when the ejector is not in operation is determined, and the pressure change value f Δ Subtracting the reference pressure value f from the actual pressure value detected when the high-pressure airflow is sprayed by the sprayer of the optical sorting machine Reference(s) Obtaining a numerical value; the high probability occurrence missing picking is defined as the condition that the probability of occurrence missing picking is greater than a preset first probability;
the database stores the reference pressure value f Reference(s) Threshold value f corresponding to different types of non-smoke substances Threshold value ；
If the pressure variation value corresponding to the blowing pressure signal obtained by the PLC system is at the reference pressure value f Reference(s) If so, not sending the control information;
if the pressure change value corresponding to the blowing pressure signal obtained by the PLC system exceeds the threshold value f corresponding to a certain type of non-smoke substance Threshold(s) Then the control information is sent out.
2. The automated leaf non-smoking material sorting traceability method of claim 1, further comprising:
after the PLC system obtains the control information, the PLC system also sends the control information to an online automatic sampling device;
after receiving the control information, the on-line automatic sampling device automatically samples the tobacco leaves after the non-smoke substances are sorted, and sends sampling completion information to the sound-light alarm device after sampling;
and the sound and light alarm device performs sound and light alarm after receiving the sampling completion information so as to remind a worker to replace the sampling box and confirm the non-smoke substance sorting effect.
3. The automatic leaf non-smoke substance sorting traceability method as claimed in claim 1, wherein said tobacco raw material information transfer system transfers said tobacco raw material information synchronously during the production process; the production process is tracked and displayed in real time in the whole process through the industrial personal computer of the production line, and the information of the tobacco raw materials flowing through the optical sorting machine is recorded and displayed.
4. The automatic leaf non-tobacco material sorting traceability method as claimed in claim 3, wherein said tobacco material information transfer system is configured to establish a stack data model by measuring and calculating the processing and transporting time of tobacco leaves on the production line, said stack data model being configured to reflect the characteristics of the transfer of tobacco material information and the synchronization of the processing and transporting of tobacco leaves on the production line.
5. The automatic leaf non-smoke substance sorting tracing method according to claim 4, wherein the time t for synchronously stacking the tobacco raw material information to the photoelectric sorting machine after the tobacco leaves enter the production line is represented as follows:
t＝t Δ +t 8 +t 9 +t 10 +t 11 +t 12 +t 13 +t rest time
Wherein, t Δ The conveying time of the tobacco leaves sequentially passing through the first belt conveyor, the second belt conveyor, the third belt conveyor, the slicing machine and the electronic belt scale is recorded as first time; t is t 8 The conveying time, t, of the tobacco leaves on the high-frequency vibration groove 9 The conveying time, t, of the tobacco leaves on the loosening and conditioning machine 10 For the conveying time, t, of the tobacco leaves on the vibrating conveyor 11 For the conveying time, t, of the tobacco leaves on the fourth belt conveyor 12 The conveying time, t, of the tobacco leaves on the de-hemp and de-blocking machine 13 For the transport time, t, of the tobacco leaves on the optical sorting machine Rest time For normal stopping of the tobacco during conveyingA rest time; l is the total length of the conveying distance from the first belt conveyor to the electronic belt scale, and v is the belt linear speed corresponding to the output frequency signal of the frequency converter of the electronic belt scale.
6. The method as claimed in claim 5, wherein a chip mixing bypass line is provided before the loosening and moisture regaining process, and the chip mixing bypass line is connected to the electronic belt scale, and the method further comprises the step of comparing the first time t with the first time t Δ Making a correction for a first time t Delta correction Expressed as:
wherein v is Sheet The belt line speed corresponding to the output frequency signal of the frequency converter of the electronic belt scale when the tobacco leaf slices are blended on the side line;
when the production line is in fault shutdown, the method also comprises the step of setting down time t Rest time And (6) correcting.
7. The leaf non-smoke substance sorting automatic tracing method according to claim 1, wherein said effect image comprises a non-smoke substance image and a pure tobacco leaf image after sorting the non-smoke substance; and after the image acquisition and processing system obtains the effect image, the effect image is transmitted to a PC (personal computer) end, and the image is processed or cached through the PC end.
8. An automatic leaf non-smoke material sorting traceability system is characterized by comprising: the system comprises a PLC system, a tobacco raw material information transmission system, a sorting signal output system, an image acquisition processing system, an information locking processing system, an online automatic sampling device and an audible and visual alarm device;
the automatic leaf non-smoke substance sorting and tracing system is used for realizing the steps in the automatic leaf non-smoke substance sorting and tracing method according to any one of claims 1 to 7.
9. The automated leaf non-smoke substance sorting traceability system of claim 8, wherein said sorting signal output system comprises a pressure transducer mounted on a compressed air pipe of an injector of an optical sorting machine;
the image acquisition and processing system comprises a first camera and a second camera; the first camera is arranged at the outlet of the optical sorting machine and is positioned above the admission groove; the second camera is installed at an outlet of the reception rejection tank;
the online automatic sampling device is arranged on the collection allowing groove and comprises a turning plate, an air cylinder and a sampling box, and the turning plate is driven by the air cylinder to rotate;
and the sound-light alarm device is arranged on a rack of the online automatic sampling device.
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