CN203750849U - Automated tobacco selection device for prime line - Google Patents
Automated tobacco selection device for prime line Download PDFInfo
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- CN203750849U CN203750849U CN201420048335.6U CN201420048335U CN203750849U CN 203750849 U CN203750849 U CN 203750849U CN 201420048335 U CN201420048335 U CN 201420048335U CN 203750849 U CN203750849 U CN 203750849U
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Abstract
The utility model discloses an automated tobacco selection device for a prime line. The automated tobacco selection device comprises a tobacco caking removing system, a tobacco stem detecting and removing system, a green tobacco and mildew tobacco detecting and removing system, an impurity removing system and a tobacco conveyor, raw tobaccos enter from an inlet of the tobacco caking removing system, caked tobaccos are removed, non-caked tobaccos are outputted from the tobacco stem detecting and removing system, the tobaccos containing tobacco stems and impurities are detected by the tobacco stem detecting and removing system, tobaccos containing green tobaccos, mildew tobaccos and impurities are separated by the green tobacco and mildew tobacco detecting and removing system, the green tobaccos and the mildew tobaccos are removed by a removing mechanism, the tobaccos without the green tobaccos and the mildew tobaccos enter the impurity removing system and are accelerated by the impurity removing system, the impurities are removed, the tobaccos without the impurities are conveyed to a tobacco collection device by the tobacco conveyor, and the tobaccos are selected. The automated tobacco selection device for the prime line is easy to implement and high in tobacco selection efficiency and automation degree.
Description
Technical field
The utility model belongs to tobacco manufacture field, particularly a kind of scrap prodn. line tobacco leaf automation selecting device.
Background technology
The degree of purity that keeps raw tobacco material, has run through tobacco purchasing, beating and double roasting, silk producing procedures, is one of content of paying close attention to of tobacco processing technology always.Due to pluck link control ineffective, tobacco leaf modulation is bad or storage process moisture is controlled the non-grade tobacco leaves such as the blue or green cigarette producing such as not good, mould cigarette, and the non-cigarettes, wines and miscellaneous goods thing such as flax silk, sneaks in grade tobacco leaf, will have a strong impact on the smoking quality of cigarette product.Meanwhile, because beating and double roasting link wind dispensing efficiency is limited, cause part to enter raw material of cigarette containing stalk smoked sheet, also can affect physical quality and aesthetic quality that final products roll.Therefore blue or green cigarette, mould cigarette, foreign material, containing stalk smoked sheet, be to promote the main object that tobacco leaf degree of purity need to be controlled, and tobacco cutting process blade sections processed is, by the key link of the follow-up raw material of cigarette degree of purity of the selected assurance of smoked sheet.
At present, tobacco processing line impurity removed system mainly comprises selection by winnowing removal of impurities, photoelectricity removal of impurities (containing laser removal of impurities) etc.The light weight sundries that selection by winnowing mode mainly differs greatly floating velocity and smoked sheet by wind-force is removed, undesirable to the foreign material removal effect that density is close with tobacco material.Photoelectricity removal of impurities is mainly identified and is rejected the larger impurity of aberration existing in smoked sheet by color.For the identification of blue or green cigarette and mould cigarette, still there is no special equipment.The photoelectricity impurity removing unit of scrap prodn. line also can be rejected the blue or green cigarette of sub-fraction and mould cigarette at present, and rejecting ratio is low, can not meet the demands.For containing stalk tobacco leaf, except manual type and selection by winnowing mode, still do not have at present automated mechanical equipment can identify containing stalk tobacco leaf and precisely reject.
Patent CN101502338A discloses a kind of tobacco processing line sheet cigarette selecting system and technique.This utility model provide a kind of on scrap prodn. line dynamically feeding, rewinding and static state select leaf, to reject the sheet cigarette selecting system of various impurity in smoked sheet.Yet, in this utility model, select leaf mode still to adopt the tobacco leaf that goes mouldy, offal, vein and other impurity in artificial rejecting smoked sheet.Manually screening piecewise, wastes time and energy, and inefficiency, and the homogenizing to control and can not get steady in a long-term and to guarantee reliably of smoked sheet degree of purity are difficult to meet the become more meticulous needs of processing of technology for making tobacco threds.Therefore, from pertinent literature both domestic and external, report still do not have a kind of equipment of automation to there is detection and the removing function that can unify to solve blue or green cigarette, mould cigarette, foreign material and contain stalk tobacco leaf.
Utility model content
The purpose of this utility model is to solve the deficiency that prior art exists, a kind of scrap prodn. line tobacco leaf automation selecting device, this device can be unified to solve blue or green cigarette in smoked sheet raw material, mould cigarette, foreign material and contains the automatic detection of stalk tobacco leaf and precisely reject, system automation degree is high, can effectively promote the degree of purity of scrap prodn. line smoked sheet, promote cigarette quality.
A scrap prodn. line tobacco leaf automation selecting device, comprises that the tobacco leaf connecting successively removes detection and eliminating system, Sorting System and the tobacco conveyer of group's system, offal detection and eliminating system, blue or green cigarette and tobacco leaf that goes mouldy; From tobacco leaf, the entrance except group's system enters raw tobacco, the tobacco leaf of removing after conglomeration detects and eliminating system output from offal, by offal, detected and the assorted tobacco leaf of the detected band that contains offal of device for eliminating, utilize the rejecting mechanism of offal detection and eliminating system that the tobacco leaf after offal rejecting is entered to blue or green cigarette and detection and the eliminating system of the tobacco leaf that goes mouldy; By blue or green cigarette and the cigarette that goes mouldy, detected and the assorted tobacco leaf of the isolated band that contains blue or green cigarette and the cigarette that goes mouldy of eliminating system, adopt blue or green cigarette and the go mouldy detection of tobacco leaf and the rejecting mechanism of eliminating system that blue or green cigarette and the cigarette that goes mouldy are rejected; The tobacco leaf that completes blue or green cigarette and go mouldy after cigarette rejecting enters Sorting System, Sorting System accelerates tobacco leaf, in accelerator, utilize the rejecting mechanism of Sorting System that foreign material are rejected, the tobacco leaf completing after foreign material are rejected is delivered to tobacco leaf gathering-device by tobacco conveyer, completes the selected of tobacco leaf.
Described tobacco leaf is except group's system comprises star roller 1, the groove 2 that shakes, the roller 4 of making thinner, the group's of connecing tobacco leaf belt 3, differential are made thinner belt 5;
The incoming end of described star roller is connected with silo outlet, and star roller is be arranged side by side a plurality of, and adjacent roller distance between axles is 20-50mm, the top of the groove 2 that shakes described in star roller 1 is positioned at; The rear end of star roller is provided with the described group's of connecing tobacco leaf belt; Described groove 2 rear ends that shake are connected to the roller 4 of making thinner, and the described differential belt 5 of making thinner is arranged at the roller rear of making thinner.
Described offal detects and eliminating system comprises X ray light source, CCD image-generating unit, the first graphics processing unit and the first culling unit; Described X ray light source is positioned at the make thinner top of belt 5 of differential, CCD image-generating unit is positioned at the make thinner below of belt 5 of differential, the tobacco leaf image that CCD image-generating unit is made thinner the differential collecting on belt 5 is sent to the first graphics processing unit, the first culling unit be arranged at differential make thinner belt 5 tail end and be controlled by the first graphics processing unit, the first graphics processing unit output is rejected signal controlling and is rejected air valve switch, when rejecting air valve is opened, offal is rejected in gases at high pressure ejection;
Described X ray light source is XYG-160 type x ray generator;
Described the first graphics processing unit comprises line sweep x-ray detector, image pick-up card and industrial computer, line sweep x-ray detector receives the X-ray through belt and tobacco leaf, image pick-up card gathers the picture signal of line sweep x-ray detector output, and input industrial computer carries out image processing.
Detection and the eliminating system of described blue or green cigarette and the tobacco leaf that goes mouldy, by climbing belt 9, detect with described offal and eliminating system is connected, comprise the second graphics processing unit, connect cigarette channel, background belt 10, the first optical glass, a LED lighting source, first camera and the second culling unit;
Described the first optical glass is arranged on background belt top, and a LED lighting source and first camera are positioned at background belt top; The irradiation of the one LED lighting source output is on background belt; First camera sends to image processing system by the tobacco leaf image on the background belt collecting; The second culling unit and connect the tail end that cigarette channel is all arranged on background belt, the second culling unit is controlled by image processing system; During the second culling unit action, the tobacco leaf at the tail end place of background belt is blown into and connect in cigarette channel, when the second culling unit does not move, the tobacco leaf at the tail end place of background belt falls in normal tobacco leaf passage;
The one LED lighting source adopts two LED condensation light sources, and two LED condensation light source interval 10cm range distribution are above background belt;
Described first camera is 3CCD colorful digital camera, and a high position for described 3CCD colorful digital camera distance background belt is 460mm-500mm;
Described the second graphics processing unit comprises that clock frequency is DALSA X-64CL iPro image pick-up card and the industrial computer of 85MHZ, and the DALSA X-64CL iPro image pick-up card that clock frequency is 85MHZ gathers the image of first camera shooting and inputs industrial computer and carry out image processing.
Described Sorting System comprises two belt accelerating systems, the 3rd graphics processing unit, the 2nd LED lighting source, the second optical glass, second camera and the 3rd culling unit;
Described the 2nd LED lighting source comprises four LED light sources, the 2nd LED lighting source is positioned at the below of two belts 14, wherein, article two, LED light source interval 20mm is installed on tobacco leaf operation passage top, with 75 degree angles, tobacco leaf upper surface is thrown light on, two other LED light source interval 20mm is installed on tobacco leaf operation passage below, with 75 degree angles, tobacco leaf lower surface is thrown light on; The second optical glass is positioned at the top of two belts 14, second camera is sent to the 3rd graphics processing unit by the tobacco leaf image on the two belts 14 that collect, the 3rd culling unit is arranged at the tail end of two belts 14 and is controlled by the 3rd graphics processing unit, the 3rd graphics processing unit output is rejected signal controlling and is rejected air valve switch, when rejecting air valve is opened, non-cigarette is rejected in gases at high pressure ejection;
The 3rd graphics processing unit adopts FPGA integrated circuit.
The detection of described blue or green cigarette and the tobacco leaf that goes mouldy and the first camera in eliminating system are N, and N is more than or equal to 1 integer; LED lighting source of each side configuration of each camera.
In the detection of described blue or green cigarette and the tobacco leaf that goes mouldy and eliminating system, a LED lighting source adopts LED prism condensation light source, and camera adopts three CCD line scan cameras, and background belt is selected blueness or magenta.
The course of work of scrap prodn. line tobacco leaf automation selecting device is as follows:
Make tobacco leaf enter tobacco leaf except group's system from feeding machine, tobacco leaf is along with the rolling of star roller is advanced, and agglomerating tobacco leaf enters the group's of connecing tobacco leaf belt and discharges through the group's of connecing passage, completes the removal of the group's of connecing tobacco leaf; Non-agglomerating tobacco leaf drops on the groove that shakes, and tobacco leaf moves backward with the shake of the groove that shakes and enters the differential belt of making thinner;
The differential belt of making thinner is delivered to tobacco leaf that offal detects and eliminating system, X ray light source is positioned at the make thinner below of belt 5 of differential, CCD image-generating unit is positioned at the make thinner top of belt 5 of differential, the tobacco leaf image that CCD image-generating unit is made thinner the differential collecting on belt 5 is sent to the first graphics processing unit, the first culling unit be arranged at differential make thinner belt 5 tail end and be controlled by the first graphics processing unit, the first graphics processing unit output is rejected signal controlling and is rejected air valve switch, when rejecting air valve is opened, offal is rejected in gases at high pressure ejection;
The irradiation of the one LED lighting source output is on background belt; First camera sends to image processing system by the tobacco leaf image on the background belt collecting; The second culling unit and connect the tail end that cigarette channel is all arranged on background belt, the second culling unit is controlled by image processing system; During the second culling unit action, the tobacco leaf at the tail end place of background belt is blown into and connect in cigarette channel, when the second culling unit does not move, the tobacco leaf at the tail end place of background belt falls in normal tobacco leaf passage;
The tobacco leaf entering in normal tobacco leaf passage enters Sorting System with double belt, tobacco leaf is along with the double belt running up leaves, the irradiation of the 2nd LED lighting source output is on double belt, second camera is sent to the 3rd graphics processing unit by the tobacco leaf image on the two belts 14 that collect, the 3rd culling unit is arranged at the tail end of two belts 14 and is controlled by the 3rd graphics processing unit, the 3rd graphics processing unit output is rejected signal controlling and is rejected air valve switch, when rejecting air valve is opened, non-cigarette is rejected in gases at high pressure ejection, normal tobacco leaf inputs to tobacco leaf gathering-device with tobacco conveyer.
Described the second graphics processing unit is identified blue or green cigarette and the cigarette that goes mouldy according to the H component of the expression picture tone of tobacco leaf image; If the H component of current tobacco leaf image is less than or equal to 60, judges in the tobacco leaf that current tobacco leaf image is corresponding and do not have blue or green cigarette and go mouldy cigarette; The H component of current tobacco leaf image is greater than 60 else if, judges in the tobacco leaf that current tobacco leaf image is corresponding and has blue or green cigarette and go mouldy cigarette.
Described the second graphics processing unit is identified blue or green cigarette and the cigarette that goes mouldy according to the H component of the expression picture tone of tobacco leaf image; If the H component of current tobacco leaf image is between 60-240, judge in the tobacco leaf that current tobacco leaf image is corresponding and have blue or green cigarette and go mouldy cigarette, if the H component of current tobacco leaf image not between 60-240, judges that the tobacco leaf that current tobacco leaf image is corresponding is qualified tobacco leaf.
Beneficial effect
Scrap prodn. line tobacco leaf automation selecting device described in the utility model, comprises that tobacco leaf removes detection and eliminating system, Sorting System and the tobacco conveyer of a system, offal detection and eliminating system, blue or green cigarette and the tobacco leaf that goes mouldy; For existing equipment, can not unify to solve blue or green cigarette in smoked sheet raw material, mould cigarette, foreign material and contain the automatic detection and accurate rejecting problem of obstructing tobacco leaf, provide a kind of and can complete tobacco leaf refining process, and realize blue or green cigarette, mould cigarette, foreign material and contain the automatic detection of obstructing tobacco leaf, control rejecting mechanism and carry out the rejecting of improper tobacco leaf, this selecting device automaticity is high, can effectively promote the degree of purity of scrap prodn. line smoked sheet, promote cigarette quality.
The utility model compared with prior art has the following advantages and effect:
1) can unify to solve conglomeration tobacco leaf in scrap prodn. line smoked sheet raw material, blue or green cigarette, mould cigarette, foreign material and contain detection and the rejecting of obstructing smoked sheet, having improved the selected efficiency of tobacco leaf;
2) realized the automation of smoked sheet selected, reduced and manually selected leaf expense, improved and selected leaf efficiency, and be conducive to the control that homogenizes of smoked sheet degree of purity, by mechanically actuated, replace manual operation, the loss of not only having avoided artificial error to bring, and reduced accident rate;
3) to blue or green cigarette, mould cigarette, foreign material and high containing effective discrimination of stalk smoked sheet, reject precisely, can significantly promote raw material of cigarette degree of purity, improve cigarette quality.
Accompanying drawing explanation
Fig. 1 is the structural representation installing described in utility model;
Fig. 2 is the light source arrangement schematic diagram in offal detection and eliminating system;
Fig. 3 is the light source arrangement schematic diagram in Sorting System;
The result figure that Fig. 4 carries out offal rejecting for application device described in the utility model;
Fig. 5 when putting into one by one mould cigarette, applies device described in the utility model and carries out the detection of mould cigarette and reject result figure;
Fig. 6, for putting into mould cigarette in the tobacco leaf stream at 500kg/h, applies device described in the utility model and carries out the detection of mould cigarette and reject result figure;
Fig. 7, for putting into mould cigarette in the tobacco leaf stream at 1000kg/h, applies device described in the utility model and carries out the detection of mould cigarette and reject result figure;
The result figure that Fig. 8 carries out foreign material rejecting for application device described in the utility model;
Label declaration: 1-star roller; 2-groove shakes; 3-connect cigarette to roll into a ball belt; 4-the roller of making thinner; 5-differential belt of making thinner; 6-offal checkout gear; 7-offal is rejected valve; 8-rejecting offal belt; 9-climbing belt; 10-background belt; Detection and the eliminating system of 11-blue or green cigarette and the tobacco leaf that goes mouldy; 12-blue or green, mould cigarette is rejected valve; 13-rejecting is blue or green, mould belt; 14-bis-belts; 15-foreign material checkout gear; 16-foreign material are rejected valve gear; 17-reject non-cigarettes, wines and miscellaneous goods thing belt; 18-tobacco conveyer.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1, a kind of scrap prodn. line tobacco leaf automation selecting device, comprises that the tobacco leaf connecting successively removes detection and eliminating system, Sorting System and the tobacco conveyer of group's system, offal detection and eliminating system, blue or green cigarette and tobacco leaf that goes mouldy; From tobacco leaf, the entrance except group's system enters raw tobacco, the tobacco leaf of removing after conglomeration detects and eliminating system output from offal, by offal, detected and the assorted tobacco leaf of the detected band that contains offal of device for eliminating, utilize the rejecting mechanism of offal detection and eliminating system that the tobacco leaf after offal rejecting is entered to blue or green cigarette and detection and the eliminating system of the tobacco leaf that goes mouldy; By blue or green cigarette and the cigarette that goes mouldy, detected and the assorted tobacco leaf of the isolated band that contains blue or green cigarette and the cigarette that goes mouldy of eliminating system, adopt blue or green cigarette and the go mouldy detection of tobacco leaf and the rejecting mechanism of eliminating system that blue or green cigarette and the cigarette that goes mouldy are rejected; The tobacco leaf that completes blue or green cigarette and go mouldy after cigarette rejecting enters Sorting System, Sorting System accelerates tobacco leaf, in accelerator, utilize the rejecting mechanism of Sorting System that foreign material are rejected, the tobacco leaf completing after foreign material are rejected is delivered to tobacco leaf gathering-device by tobacco conveyer, completes the selected of tobacco leaf.
Described tobacco leaf is except group's system comprises star roller 1, the groove 2 that shakes, the roller 4 of making thinner, the group's of connecing tobacco leaf belt 3, differential are made thinner belt 5;
The incoming end of described star roller is connected with silo outlet, and star roller is be arranged side by side a plurality of, and adjacent roller distance between axles is 20-50mm, the top of the groove 2 that shakes described in star roller 1 is positioned at; The rear end of star roller is provided with the described group's of connecing tobacco leaf belt; Described groove 2 rear ends that shake are connected to the roller 4 of making thinner, and the described differential belt 5 of making thinner is arranged at the roller rear of making thinner.
Described offal detects and eliminating system comprises X ray light source, CCD image-generating unit, the first graphics processing unit and the first culling unit; Described X ray light source is positioned at the make thinner top of belt 5 of differential, CCD image-generating unit is positioned at the make thinner below of belt 5 of differential, the tobacco leaf image that CCD image-generating unit is made thinner the differential collecting on belt 5 is sent to the first graphics processing unit, the first culling unit be arranged at differential make thinner belt 5 tail end and be controlled by the first graphics processing unit, the first graphics processing unit output is rejected signal controlling and is rejected air valve switch, when rejecting air valve is opened, offal is rejected in gases at high pressure ejection;
Described X ray light source is XYG-160 type x ray generator.
Described the first graphics processing unit comprises line sweep x-ray detector, image pick-up card and industrial computer, line sweep x-ray detector receives the X-ray through belt and tobacco leaf, image pick-up card gathers the picture signal of line sweep x-ray detector output, and input industrial computer carries out image processing.
Detection and the eliminating system of described blue or green cigarette and the tobacco leaf that goes mouldy, by climbing belt 9, detect with described offal and eliminating system is connected, comprise the second graphics processing unit, connect cigarette channel, background belt 10, the first optical glass, a LED lighting source, first camera and the second culling unit;
Described the first optical glass is arranged on background belt top, and a LED lighting source and first camera are positioned at background belt top; The irradiation of the one LED lighting source output is on background belt; First camera sends to image processing system by the tobacco leaf image on the background belt collecting; The second culling unit and connect the tail end that cigarette channel is all arranged on background belt, the second culling unit is controlled by image processing system; During the second culling unit action, the tobacco leaf at the tail end place of background belt is blown into and connect in cigarette channel, when the second culling unit does not move, the tobacco leaf at the tail end place of background belt falls in normal tobacco leaf passage;
The one LED lighting source adopts two LED condensation light sources, and two LED condensation light source interval 10cm range distribution are above background belt;
Described first camera is 3CCD colorful digital camera, and a high position for described 3CCD colorful digital camera distance background belt is 460mm-500mm;
Described the second graphics processing unit comprises that clock frequency is DALSA X-64CL iPro image pick-up card and the industrial computer of 85MHZ, and the DALSA X-64CL iPro image pick-up card that clock frequency is 85MHZ gathers the image of first camera shooting and inputs industrial computer and carry out image processing.
Described Sorting System comprises two belt accelerating systems, the 3rd graphics processing unit, the 2nd LED lighting source, the second optical glass, second camera and the 3rd culling unit;
Described the 2nd LED lighting source comprises four LED light sources, the 2nd LED lighting source is positioned at the below of two belts 14, wherein, article two, LED light source interval 20mm is installed on tobacco leaf operation passage top, with 75 degree angles, tobacco leaf upper surface is thrown light on, two other LED light source interval 20mm is installed on tobacco leaf operation passage below, with 75 degree angles, tobacco leaf lower surface is thrown light on; The second optical glass is positioned at the top of two belts 14, second camera is sent to the 3rd graphics processing unit by the tobacco leaf image on the two belts 14 that collect, the 3rd culling unit is arranged at the tail end of two belts 14 and is controlled by the 3rd graphics processing unit, the 3rd graphics processing unit output is rejected signal controlling and is rejected air valve switch, when rejecting air valve is opened, non-cigarette is rejected in gases at high pressure ejection;
The 3rd graphics processing unit adopts FPGA integrated circuit.
The detection of described blue or green cigarette and the tobacco leaf that goes mouldy and the first camera in eliminating system are N, and N is more than or equal to 1 integer; LED lighting source of each side configuration of each camera.
In the detection of described blue or green cigarette and the tobacco leaf that goes mouldy and eliminating system, a LED lighting source adopts LED prism condensation light source, and camera adopts three CCD line scan cameras, and background belt is selected blueness or magenta.
A scrap prodn. line tobacco leaf automation method for concentrating, adopts described scrap prodn. line tobacco leaf automation selecting device;
Described method for concentrating is:
Make tobacco leaf enter tobacco leaf except group's system from feeding machine, tobacco leaf is along with the rolling of star roller is advanced, and agglomerating tobacco leaf enters the group's of connecing tobacco leaf belt and discharges through the group's of connecing passage, completes the removal of the group's of connecing tobacco leaf; Non-agglomerating tobacco leaf drops on the groove that shakes, and tobacco leaf moves backward with the shake of the groove that shakes and enters the differential belt of making thinner;
The differential belt of making thinner is delivered to tobacco leaf that offal detects and eliminating system, X ray light source is positioned at the make thinner below of belt 5 of differential, CCD image-generating unit is positioned at the make thinner top of belt 5 of differential, the tobacco leaf image that CCD image-generating unit is made thinner the differential collecting on belt 5 is sent to the first graphics processing unit, the first culling unit be arranged at differential make thinner belt 5 tail end and be controlled by the first graphics processing unit, the first graphics processing unit output is rejected signal controlling and is rejected air valve switch, when rejecting air valve is opened, offal is rejected in gases at high pressure ejection;
The irradiation of the one LED lighting source output is on background belt; First camera sends to image processing system by the tobacco leaf image on the background belt collecting; The second culling unit and connect the tail end that cigarette channel is all arranged on background belt, the second culling unit is controlled by image processing system; During the second culling unit action, the tobacco leaf at the tail end place of background belt is blown into and connect in cigarette channel, when the second culling unit does not move, the tobacco leaf at the tail end place of background belt falls in normal tobacco leaf passage;
The tobacco leaf entering in normal tobacco leaf passage enters Sorting System with double belt, tobacco leaf is along with the double belt running up leaves, the irradiation of the 2nd LED lighting source output is on double belt, second camera is sent to the 3rd graphics processing unit by the tobacco leaf image on the two belts 14 that collect, the 3rd culling unit is arranged at the tail end of two belts 14 and is controlled by the 3rd graphics processing unit, the 3rd graphics processing unit output is rejected signal controlling and is rejected air valve switch, when rejecting air valve is opened, non-cigarette is rejected in gases at high pressure ejection, normal tobacco leaf inputs to tobacco leaf gathering-device with tobacco conveyer.
Described the second graphics processing unit is identified blue or green cigarette and the cigarette that goes mouldy according to the H component of the expression picture tone of tobacco leaf image; If the H component of current tobacco leaf image is less than or equal to 60, judges in the tobacco leaf that current tobacco leaf image is corresponding and do not have blue or green cigarette and go mouldy cigarette; The H component of current tobacco leaf image is greater than 60 else if, judges in the tobacco leaf that current tobacco leaf image is corresponding and has blue or green cigarette and go mouldy cigarette.
Described the second graphics processing unit is identified blue or green cigarette and the cigarette that goes mouldy according to the H component of the expression picture tone of tobacco leaf image; If the H component of current tobacco leaf image is between 60-240, judge in the tobacco leaf that current tobacco leaf image is corresponding and have blue or green cigarette and go mouldy cigarette, if the H component of current tobacco leaf image not between 60-240, judges that the tobacco leaf that current tobacco leaf image is corresponding is qualified tobacco leaf.
Embodiment 1:
Applying device described in the utility model, to carry out tobacco leaf selected, and its process is as follows:
1). tobacco leaf flows on star roller 1 with tobacco leaf stream, because star roller has spacing, so the tobacco leaf of not conglomeration will drop to the groove 2 that shakes below, the cigarette piece of conglomeration will be stayed on star roller 1, then flows to conglomeration tobacco leaf belt 3;
2). the tobacco leaf the falling groove 2 that shaken is made thinner, and continues to flow to the roller 4 of making thinner;
3). tobacco leaf is continued to make thinner at roller 4 places that make thinner, and then falls to the differential belt 5 of making thinner;
4). because differential belt speed is faster, so the distance between tobacco leaf is further pulled open.Form tobacco leaf stream thin layer, non-overlapping copies herein, flow to offal checkout gear 6;
5). at offal checkout gear 6 places, after the tobacco leaf that contains offal is taken pictures, by offal, rejected valve 7 and reject.The tobacco leaf containing offal of rejecting flows to rejects offal belt, and remaining tobacco leaf flows to climbing belt 9;
6). tobacco leaf flows to blue or green cigarette and detection and the eliminating system 11 of the tobacco leaf that goes mouldy by the belt 9 of climbing;
7). at detection and eliminating system 8 places of blue or green cigarette and the tobacco leaf that goes mouldy, after blue or green cigarette, the tobacco leaf that goes mouldy are taken pictures, rejected valve 12 reject by blue or green, mould cigarette, blue or green cigarette, mould drift are rejected blue or green, mould cigarette belt 13, and remaining tobacco leaf flows to foreign material and rejects valve gear 16.
8). at foreign material, reject valve gear 16 places, after non-cigarettes, wines and miscellaneous goods thing is taken pictures, rejected valve reject by non-cigarette, non-cigarettes, wines and miscellaneous goods logistics is to rejecting non-cigarettes, wines and miscellaneous goods thing belt 17; Remaining tobacco leaf is exactly qualified tobacco leaf, continues to flow to tobacco conveyer 18.
Consider that different slightly stalks and thin stalk are larger to X ray Transmission Attenuation degree difference, the X ray light source in offal detection and eliminating system is selected to require ray penetrability to have certain adjustable extent, and electric current and voltage can be in regulated in wider range.Consider this point, selected Dandong XYG-160 of Ao Long company type x ray generator as system source, this light source has configured bifocal X-ray tube and high-frequency and high-voltage generator.Its Specifeca tion speeification is shown in Table 1:
Table 1X ray light source key parameter
| Heater current | 0.1mA/3mA | Radiation angle | 40° |
| Film making maximum penetration | Fe28mm | Film making sensitivity | Be better than 1.5% |
| Focal spot size | EN12543 | Tube voltage | 30KV-120kV |
X source, according to 40 degree radiation angles, can cover the four corner of 465mm detector.According to the radiation angle of X source and detector length, the installation theoretical level that can calculate light source distance belt is 631mm.Consider that the detector regimes that X source is covered has certain allowance, actual installation height is 650mm, as shown in Figure 2.
The image acquisition and processing module of offal detection and eliminating system, is comprised of line sweep x-ray detector, image pick-up card, high speed industrial computer.Line sweep x-ray detector receives the X-ray through belt and tobacco leaf, is converted into the signal of telecommunication, after the signal of telecommunication is changed by AD, becomes data signal output.Image pick-up card gathers the picture signal of detector output, inputs to industrial computer software and carries out image real-time operation, completes thus image acquisition and processing flow process.
Scanning resolution, photoreceptor voltage scope and scan frequency are the critical performance parameters of x-ray detector.In tobacco leaf, offal is detected, the diameter of thin stalk is 1.5mm, requires detector to possess higher sensitivity., for meeting the large flow of industry, detect online meanwhile,, require detector to possess higher scan frequency under very fast belt conveyor velocity conditions.For this reason, selected the XW8804 detector of X-SCAN company, its scanning resolution 0.4*0.6mm, the highest 4K/S of sweep speed, photoreceptor voltage scope 25-100KeV.The belt speed that this detector detection speed is corresponding can reach 2.4 meter per seconds.
In blue or green cigarette and the go mouldy detection of tobacco leaf and eliminating system, the selection of light-source system, CCD image-forming module and image processing module is as follows:
(1) light-source system
Light source adopts two highlighted LED condensation light sources, and 10cm distance in interval is thrown light on to the tobacco leaf on belt with 80 degree degree.By regulating installation site and angle, make two LED light source illuminating raies on tobacco leaf, pool the bright straight line that a width is 20mm, linear CCD camera is aimed at and is converged linear pick-up imaging, brightness of image and stability can be effectively improved, image shade can be effectively removed simultaneously for the interference of identification.
Light source color temperature and brightness are the crucial light source parameters that affects image quality.By analyzing blue or green cigarette and the classification of flue-cured tobacco leaves effect of going mouldy under the different illumination conditions such as sunshine, fluorescent light, detection light source is determined the highlighted LED condensation light source that adopts chip colour temperature 5600K.On light-source brightness, by increase plus lens on high-power LED light source, make light source reach 30000LUX at the irradiation brightness of tobacco leaf surface, guaranteed that brightness of illumination can effectively meet the requirement that mould tobacco leaf detects.
(2) CCD image-forming module
Image-forming module adopts the 3CCD colorful digital camera of configuration wide-angle lens.The identification of mould tobacco leaf, particularly blue or green cigarette depends on color characteristic, therefore selects 3CCD camera color of image information distortion can be reduced to minimum, truly reflects tobacco leaf color.The CVL107 camera of selecting Denmark JAI to produce, its sweep speed 21K line/S, Pixel size 14um x14um, resolution ratio 2048.
It is 900mm that mould cigarette detects belt effective width, and each camera calibration width is 450mm, according to Optical Formula, calculates the theoretical setting height(from bottom) of CCD (object distance) for 460mm.Consider that marginal portion image effect is bad, increase detection width and cover, so actual installation height design is 500mm.
(3) image acquisition and processing module
Adopt the DALSA X-64CL iPro high speed image acquisition board that clock frequency is 85MHZ, make the tobacco leaf image real-time stabilization that obtains and be transferred to industrial computer internal memory.The software that image is processed is to operate on high speed industrial computer, and in order to meet the rate request of IMAQ and processing, industrial computer adopts multi-core CPU to coordinate the acquisition process pattern of software multithreading.The acquisition and processing of this pattern hypograph can walk abreast, and can gather next frame image simultaneously, thereby can meet the requirement of real-time of mould tobacco leaf acquisition process when processing a two field picture.
In Sorting System, the selection of light-source system and image processing system is as follows:
(1) light-source system
Light source is the detection core key point of machine vision, has designed novel great power LED condensation light source structure, as shown in Figure 3 aspect light source;
Article 4, high-power LED light source adopts crossing current source to control, and makes each LED chip decay consistent.Article two, light source interval 20mm is installed on tobacco leaf operation passage top, with 75 degree angles, tobacco leaf upper surface is thrown light on.By regulating installation site and angle, make the illuminating ray of two light sources by plus lens, at tobacco leaf upper surface, just pool the bright straight line that a width is 20mm.The linear CCD camera of upper part is aimed at this and is converged linear pick-up image, can make collected by camera to brightness of image can effectively distinguish normal tobacco leaf and foreign material; Two other light source is installed and tobacco leaf operation passage below, and for tobacco leaf lower surface is thrown light on, two light sources in its installation site and angle and top are similar.
Designed great power LED condensation light source, with respect to high-frequency florescent lamp, Halogen lamp LED, scattering LED light source, possesses following advantage: 1. light stability, and the rate of decay is slow, makes the stable performance of Equipment Inspection cell operation; 2. after adopting prism optically focused, significantly improved the light source uniformity, the better effects if of tobacco leaf image; 3. because brightness is very high, can greatly reduce use electric current, light source useful life can effectively extend.
(2) image acquisition and processing module
In the image acquisition and processing modular design detecting at foreign material, full encapsulation, modular Design Mode have been adopted.The functions such as IMAQ, processing, the mapping of rejecting position and the control of CCD camera parameter are all encapsulated in an image acquisition and processing box.From CCD camera, get image, image acquisition and processing box carries out Recognize processing by built-in FPGA special IC to image; After image is processed, the built-in algorithm of FPGA is rejected position mapping automatically, and generation rejecting signal exports rejecting mechanism to.
Image acquisition and processing box is by the acquisition process function package of image and a hardware configuration, the real time problems that can effectively avoid computer software supple-settlement to bring, the algorithm identified of foreign material is processed the impact that not carried out by computer multitask, and the stability of system also improves greatly.
The rejecting effect of this device:
(1) containing stalk cigarette target thing, reject result
In order to verify that above-mentioned offal detects the reliability of rejecting technology, carries out three groups of target thing demonstration tests: 1. get 200 light stalks as target thing punishment in advance, the number that statistics destemming equipment is rejected; 2. get 200 containing obstructing smoked sheet as target thing punishment in advance, the number that statistics destemming equipment is rejected; 3. at 50kg, containing putting into 200 in the qualified tobacco leaf of lotus king Y1 grade of offal, do not contain stalk smoked sheet, punishment in advance under 1000kg/h flow, the number that statistics destemming equipment is rejected.
Test equal replication three times for every group above, the target thing number of rejecting according to test, the target thing rejecting rate calculating the results are shown in Figure shown in 4.
As can be seen from Figure 4, the rejecting rate of single light being obstructed and obstructing with leaf containing stalk cigarette detection eliminating system is all more than 95%, and after stalk is mixed to tobacco leaf, the rejecting rate of offal declines to some extent, and average level is also in 92.5% left and right.In first group and the experiment of second group of target thing, analyzed the discrimination to target thing containing stalk cigarette detecting unit simultaneously.System is quite high to the image recognition probability of offal, and the discrimination of light stalk is more than 98.8%, but owing to can existing a small amount of leakage pick phenomenon in rejecting process, causes light stalk rejecting rate to drop to 95.2%, with the rejecting rate of leaf stalk, drops to 96.2%.
(2) mould cigarette target thing is rejected result
In order to verify that mould cigarette detects the reliability of rejecting technology, carries out three groups of target thing demonstration tests equally: 1. get respectively 50 blue or green sheets and mould as target thing punishment in advance, statistics equipment is rejected blue or green cigarette and mould cigarette number; 2. 50kg containing the assorted qualified tobacco leaf of lotus king Y1 of mould in, mix respectively 20 blue or green sheets and 20 mould, punishment in advance under 500kg/h flow, statistics equipment is rejected blue or green cigarette and mould cigarette number; 3. at 50kg, do not contain in the assorted qualified tobacco leaf of lotus king Y1 of mould, mix respectively mould of the blue or green sheet of 20g and 20g, punishment in advance under 1000kg/h flow, the number that statistics equipment is rejected.
Test equal replication three times for every group above, the target thing number of rejecting according to test, the target thing rejecting rate calculating the results are shown in Figure shown in 5 to Fig. 7.
Can find out, to independent blue or green sheet and mould target thing, mould cigarette detects the rejecting rate of the each test of eliminating system all more than 94%, and blue or green cigarette and on average rejecting rate of mould cigarette are respectively 95.4%, 96%.Qualified smoked sheet and target thing mixing punishment in advance, target thing rejecting rate decreases, but system to the average rejecting rate of blue or green cigarette also more than 93%, on average rejecting rate of mould cigarette more than 80%.
(3) foreign material target thing is rejected result
Reliability for checking foreign material detection rejecting technology, adopts different typical foreign material to carry out elimination test as target thing.To comprise that 69 foreign material samples such as the scraps of paper, aluminium-foil paper, flax silk, transparent membrane, plastic optical fibre mix punishment in advance in the qualified tobacco leaf of 2.5kg lotus king Y1, the number of statistics equipment impurities removing.
More than test replication 4 times, the target thing number of rejecting according to test, the target thing rejecting rate calculating the results are shown in Figure shown in 8.
As can be seen from Figure 8, repeat test for 4 times the rejecting rate of foreign material is respectively to 93.8%, on average rejecting rate has reached 93.8%, and fluctuation range is not very large, stable equipment operation.This result shows that foreign material detect eliminating system and have higher reliability.
Claims (7)
1. a scrap prodn. line tobacco leaf automation selecting device, is characterized in that, comprises that the tobacco leaf connecting successively removes detection and eliminating system, Sorting System and the tobacco conveyer of group's system, offal detection and eliminating system, blue or green cigarette and tobacco leaf that goes mouldy; From tobacco leaf, the entrance except group's system enters raw tobacco, the tobacco leaf of removing after conglomeration detects and eliminating system output from offal, by offal, detected and the assorted tobacco leaf of the detected band that contains offal of device for eliminating, utilize the rejecting mechanism of offal detection and eliminating system that the tobacco leaf after offal rejecting is entered to blue or green cigarette and detection and the eliminating system of the tobacco leaf that goes mouldy; By blue or green cigarette and the cigarette that goes mouldy, detected and the assorted tobacco leaf of the isolated band that contains blue or green cigarette and the cigarette that goes mouldy of eliminating system, adopt blue or green cigarette and the go mouldy detection of tobacco leaf and the rejecting mechanism of eliminating system that blue or green cigarette and the cigarette that goes mouldy are rejected; The tobacco leaf that completes blue or green cigarette and go mouldy after cigarette rejecting enters Sorting System, Sorting System accelerates tobacco leaf, in accelerator, utilize the rejecting mechanism of Sorting System that foreign material are rejected, the tobacco leaf completing after foreign material are rejected is delivered to tobacco leaf gathering-device by tobacco conveyer, completes the selected of tobacco leaf.
2. scrap prodn. line tobacco leaf automation selecting device according to claim 1, is characterized in that, described tobacco leaf comprises star roller (1), the groove that shakes (2), the roller of making thinner (4), the group's of connecing tobacco leaf belt (3), the differential belt (5) of making thinner except group's system;
The incoming end of described star roller is connected with silo outlet, and star roller is be arranged side by side a plurality of, and adjacent roller distance between axles is 20-50mm, the top of groove (2) that shake described in star roller (1) is positioned at; The rear end of star roller is provided with the described group's of connecing tobacco leaf belt; The described groove that shakes (2) rear end is connected to the roller of making thinner (4), and the described differential belt (5) of making thinner is arranged at the roller rear of making thinner.
3. scrap prodn. line tobacco leaf automation selecting device according to claim 2, is characterized in that, described offal detects and eliminating system comprises X ray light source, CCD image-generating unit, the first graphics processing unit and the first culling unit; Described X ray light source is positioned at the make thinner top of belt (5) of differential, CCD image-generating unit is positioned at the make thinner below of belt (5) of differential, the tobacco leaf image that CCD image-generating unit is made thinner the differential collecting on belt (5) is sent to the first graphics processing unit, the first culling unit be arranged at differential make thinner belt (5) tail end and be controlled by the first graphics processing unit, the first graphics processing unit output is rejected signal controlling and is rejected air valve switch, when rejecting air valve is opened, offal is rejected in gases at high pressure ejection;
Described X ray light source is XYG-160 type x ray generator;
Described the first graphics processing unit comprises line sweep x-ray detector, image pick-up card and industrial computer, line sweep x-ray detector receives the X-ray through belt and tobacco leaf, image pick-up card gathers the picture signal of line sweep x-ray detector output, and input industrial computer carries out image processing.
4. scrap prodn. line tobacco leaf automation selecting device according to claim 3, it is characterized in that, detection and the eliminating system of described blue or green cigarette and the tobacco leaf that goes mouldy, by climbing belt (9), detect with described offal and eliminating system is connected, comprise the second graphics processing unit, connect cigarette channel, background belt (10), the first optical glass, a LED lighting source, first camera and the second culling unit;
Described the first optical glass is arranged on background belt top, and a LED lighting source and first camera are positioned at background belt top; The irradiation of the one LED lighting source output is on background belt; First camera sends to image processing system by the tobacco leaf image on the background belt collecting; The second culling unit and connect the tail end that cigarette channel is all arranged on background belt, the second culling unit is controlled by image processing system; During the second culling unit action, the tobacco leaf at the tail end place of background belt is blown into and connect in cigarette channel, when the second culling unit does not move, the tobacco leaf at the tail end place of background belt falls in normal tobacco leaf passage;
The one LED lighting source adopts two LED condensation light sources, and two LED condensation light source interval 10cm range distribution are above background belt;
Described first camera is 3CCD colorful digital camera, and a high position for described 3CCD colorful digital camera distance background belt is 460mm-500mm;
Described the second graphics processing unit comprises that clock frequency is DALSA X-64CL iPro image pick-up card and the industrial computer of 85MHZ, and the DALSA X-64CL iPro image pick-up card that clock frequency is 85MHZ gathers the image of first camera shooting and inputs industrial computer and carry out image processing.
5. scrap prodn. line tobacco leaf automation selecting device according to claim 4, it is characterized in that, described Sorting System comprises two belt accelerating systems, the 3rd graphics processing unit, the 2nd LED lighting source, the second optical glass, second camera and the 3rd culling unit;
Described the 2nd LED lighting source comprises four LED light sources, the 2nd LED lighting source is positioned at the below of two belts (14), wherein, article two, LED light source interval 20mm is installed on tobacco leaf operation passage top, with 75 degree angles, tobacco leaf upper surface is thrown light on, two other LED light source interval 20mm is installed on tobacco leaf operation passage below, with 75 degree angles, tobacco leaf lower surface is thrown light on; The second optical glass is positioned at the top of two belts (14), second camera is sent to the 3rd graphics processing unit by the tobacco leaf image on the two belts (14) that collect, the 3rd culling unit is arranged at the tail end of two belts (14) and is controlled by the 3rd graphics processing unit, the 3rd graphics processing unit output is rejected signal controlling and is rejected air valve switch, when rejecting air valve is opened, non-cigarette is rejected in gases at high pressure ejection;
The 3rd graphics processing unit adopts FPGA integrated circuit.
6. scrap prodn. line tobacco leaf automation selecting device according to claim 4, is characterized in that, detection and the first camera in eliminating system of described blue or green cigarette and the tobacco leaf that goes mouldy are N, and N is more than or equal to 1 integer; LED lighting source of each side configuration of each camera.
7. scrap prodn. line tobacco leaf automation selecting device according to claim 5, it is characterized in that, in the detection of described blue or green cigarette and the tobacco leaf that goes mouldy and eliminating system, a LED lighting source adopts LED prism condensation light source, camera adopts three CCD line scan cameras, and background belt is selected blueness or magenta.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420048335.6U CN203750849U (en) | 2014-01-25 | 2014-01-25 | Automated tobacco selection device for prime line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420048335.6U CN203750849U (en) | 2014-01-25 | 2014-01-25 | Automated tobacco selection device for prime line |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103801514A (en) * | 2014-01-25 | 2014-05-21 | 湖南中烟工业有限责任公司 | Device and method for automatically selecting tobacco leaves for producing cut tobacco |
| CN105795499A (en) * | 2016-05-30 | 2016-07-27 | 红塔烟草(集团)有限责任公司 | Static fine hair removing drum |
| CN110090816A (en) * | 2019-05-11 | 2019-08-06 | 浙江家得宝科技股份有限公司 | The detection method of disposable paper pulp service plate detection device based on machine vision |
| CN113317548A (en) * | 2021-06-10 | 2021-08-31 | 广东中烟工业有限责任公司 | Threshing and redrying impurity removal device, method, equipment and medium |
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2014
- 2014-01-25 CN CN201420048335.6U patent/CN203750849U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103801514A (en) * | 2014-01-25 | 2014-05-21 | 湖南中烟工业有限责任公司 | Device and method for automatically selecting tobacco leaves for producing cut tobacco |
| CN103801514B (en) * | 2014-01-25 | 2015-12-02 | 湖南中烟工业有限责任公司 | A kind of scrap prodn. line tobacco leaf automation selecting device and method |
| CN105795499A (en) * | 2016-05-30 | 2016-07-27 | 红塔烟草(集团)有限责任公司 | Static fine hair removing drum |
| CN105795499B (en) * | 2016-05-30 | 2017-08-25 | 红塔烟草(集团)有限责任公司 | A kind of electrostatic removes suede roller |
| CN110090816A (en) * | 2019-05-11 | 2019-08-06 | 浙江家得宝科技股份有限公司 | The detection method of disposable paper pulp service plate detection device based on machine vision |
| CN113317548A (en) * | 2021-06-10 | 2021-08-31 | 广东中烟工业有限责任公司 | Threshing and redrying impurity removal device, method, equipment and medium |
| CN113317548B (en) * | 2021-06-10 | 2022-09-13 | 广东中烟工业有限责任公司 | Threshing and redrying impurity removal device, method, equipment and medium |
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