CN107296297B - A kind of tobacco impurities identification, eliminating system and method based on exciting light - Google Patents
A kind of tobacco impurities identification, eliminating system and method based on exciting light Download PDFInfo
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- CN107296297B CN107296297B CN201610841428.8A CN201610841428A CN107296297B CN 107296297 B CN107296297 B CN 107296297B CN 201610841428 A CN201610841428 A CN 201610841428A CN 107296297 B CN107296297 B CN 107296297B
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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
- A24B1/00—Preparation of tobacco on the plantation
- A24B1/04—Sifting, sorting, cleaning or removing impurities from tobacco
Abstract
The present invention relates to a kind of tobacco impurities identification, eliminating system and method based on exciting light, method and step are：System starts, and tobacco to be identified is sent into vibrating device by feeding equipment；Enter deflector chute after so that tobacco is become loose condition (of surface) under the action of vibrating device；Loose tobacco is exported by deflector chute lower part outlet to be formed the tobacco waterfall of free-falling and enters detection zone；The tobacco impurities identification device for being symmetrically arranged in detection zone both sides quickly identifies tobacco waterfall；When identifying foreign matter, control device starts tobacco impurity device for eliminating, and foreign matter is sent into impurity slot.The identification method of tobacco impurities identification device of the present invention is not influenced by the diversity of identification color sample, shape, illuminated angle etc. and variation, judge to detect non-cigarette substance and mouldy tobacco with substance internal structure, improve the accuracy that the tobacco impurities identification device identifies tobacco impurity and unqualified tobacco, it improves tobacco impurity and rejects efficiency, reduce cost of labor.
Description
Technical field
It grows tobacco impurity treatment technology the present invention relates to one, specifically a kind of tobacco impurity based on exciting light is known
Not, eliminating system and method.
Background technology
Tobacco (cigarette ingredients such as smoked sheet or offal semi-finished product) is required for before entering tobacco silk producing procedures in tobacco
The tobacco impurity (non-tobacco substance) mixed is identified and rejecting processing, to ensure the quality of tobacco.In the prior art to cigarette
When careless impurity is rejected, the mode of generally use artificial separation or image recognition processing is identified and rejects operation.
Artificial separation mode is by largely there is the worker of tobacco impurities identification ability to carry out initiative recognition to tobacco and pick
Division operation.This impurity elimination method that grows tobacco needs to configure a large amount of worker for having tobacco impurities identification ability, cost of labor compared with
Height, and inefficiency.
It when tobacco impurity being identified using image recognition processing mode, takes pictures to tobacco, then will obtain first
The tobacco photo obtained is sent into computer and is handled, and to obtain the tobacco impurity characteristics in tobacco photo, realizes to tobacco impurity
Identification.But when taking pictures to tobacco impurity, since irregular, tobacco color the span of tobacco profile is larger, tobacco
The reasons such as photograph taking angle and shooting light are uncertain can cause computer to be difficult that the accurate tobacco captured in tobacco photo is miscellaneous
Matter feature, it is relatively low so as to cause the accuracy for carrying out tobacco impurities identification in the way of image recognition processing.
Therefore, there is an urgent need for it is a kind of to the higher device of tobacco impurities identification accuracy and tobacco impurity reject efficiency it is higher,
And the lower tobacco impurity device for eliminating of cost of labor.
Invention content
For the prior art, there are tobacco impurities identification accuracy is low and tobacco impurity rejects the defects such as efficiency is low, this hair
Bright technical problems to be solved are to provide one kind and the accuracy of tobacco impurities identification and tobacco impurity rejecting efficiency can be improved, reduces people
A kind of tobacco impurities identification based on exciting light of work cost, eliminating system.
The technical solution adopted by the present invention is：
The present invention is based on the tobacco impurities identification of exciting light, elimination methods, include the following steps：
System starts, and tobacco to be identified is sent into vibrating device by feeding equipment；
Enter deflector chute after so that tobacco is become loose condition (of surface) under the action of vibrating device；
Loose tobacco is exported by deflector chute lower part outlet to be formed the tobacco waterfall of free-falling and enters detection zone；
The tobacco impurities identification device for being symmetrically arranged in detection zone both sides quickly identifies tobacco waterfall；
When identifying foreign matter, control device starts tobacco impurity device for eliminating, and foreign matter is sent into impurity slot.
Tobacco impurities identification device carries out quickly identification to tobacco waterfall and includes the following steps：
The laser beam that 450nm is exported by tobacco impurities identification device continually scans on tobacco waterfall, if what is generated swashs
Luminescence peak is then qualified tobacco, falls directly into success slot between 510~520nm；
If the exciting light peak value generated between 340~360nm, for mouldy tobacco, which is sent to control and is filled
It sets, sends enabling signal from control device to tobacco impurity device for eliminating, mouldy tobacco is sent in the action of tobacco impurity device for eliminating
Enter impurity slot；
If the exciting light generated is non-tobacco substance without peak value, current tested substance, which is sent to control
Device sends enabling signal, tobacco impurity device for eliminating action, by non-tobacco object from control device to tobacco impurity device for eliminating
Matter is sent into impurity slot.
There is in tobacco impurities identification device scan module, be a polygonal rotating mirror, rotating speed is 5000~20000 turns/
Point.
The other side that tobacco impurities identification device outgoing laser beam is corresponded in tobacco waterfall is equipped with background roller, and roller surface layer is
Tobacco-containing material identical with tobacco waterfall.
The present invention is based on the tobacco impurities identification of exciting light, eliminating system, including fixed frame, tobacco impurities identification device,
Tobacco impurity device for eliminating, deflector chute, impurity slot and success slot, wherein tobacco impurities identification device, tobacco impurity reject dress
Set, deflector chute, impurity slot and success slot are mounted on fixed frame, deflector chute entrance is connect with feeding equipment, and deflector chute goes out
It is detection zone below mouthful, success slot is set to below detection zone；Tobacco impurities identification device is symmetrically arranged on detection zone two
Side, the laser rays of transmitting are directed at the sample to be identified in detection zone；Impurity slot entrance is set to detection zone side, corresponding cigarette
The executing agency of careless impurity device for eliminating；Tobacco impurities identification device and tobacco impurity device for eliminating are electrically connected with control device.
The other side that tobacco impurities identification device outgoing laser beam is corresponded in tobacco waterfall is equipped with background roller, and roller surface layer is
Tobacco-containing material identical with tobacco waterfall, the exciting light peak value that background roller generates after the laser irradiation of provision wavelengths is in regulation model
Between enclosing.
The background roller is rotary structure, is dragged by driving device, and the linear velocity of rotation is equivalent to tobacco waterfall
Falling speed；Background roller diameter is not less than the gap that the smoked sheet of free-falling is formed.
Also there is vibrating device, be set between deflector chute and feeding equipment, the outlet of vibrating device corresponds to deflector chute entrance.
Tobacco impurity device for eliminating uses air-jet device, nozzle of the scan line away from air-jet device of tobacco impurities identification device
Center be 10~40cm.
Fixed frame includes main body rack, tobacco impurities identification appliance stand and deflector chute holder, wherein deflector chute holder
It is fixed on position among main body rack top, tobacco impurities identification appliance stand is two, is divided into main body rack top, guide
Slot holder both sides；Tobacco impurity device for eliminating is fixed in deflector chute holder side, and impurity slot and success slot are installed on main body rack.
The invention has the advantages that and advantage：
1. the identification method of tobacco impurities identification device of the present invention is not by identification color sample, shape, illuminated angle etc.
Diversity and variation influence, judge to detect non-cigarette substance and mouldy tobacco with substance internal structure, substantially increase cigarette
The accuracy that careless impurities identification device identifies tobacco impurity and unqualified tobacco.
2. tobacco impurity device for eliminating of the present invention can accurately start tobacco impurity device for eliminating, tobacco impurity is blown off freedom
Whereabouts route makes it into impurity slot, and the tobacco in tobacco to be sorted then enters success slot, is waited for realize automatic rejection
The purpose for sorting the tobacco impurity of tobacco improves tobacco impurity and rejects efficiency, and reduces cost of labor.
3. tobacco impurity device for eliminating of the present invention, due to first being passed through before tobacco to be sorted passes through deflector chute by detection zone
The vibration processing for crossing vibrating device makes tobacco to be sorted fully loosely detach so that detection device is to most of tobacco to be sorted
Realize detection operation, avoiding the occurrence of detection device can not be to the detection of the inside tobacco of the tobacco to be sorted of conglomeration, to improve
Treat the recognition accuracy of tobacco impurity in sorting tobacco.
4. tobacco impurity device for eliminating provided by the invention, since tobacco to be sorted first passes through vibration before by deflector chute
Processing blocks deflector chute or success slot or impurity slot so as to avoid the tobacco to be sorted of conglomeration, tobacco impurity is avoided to reject dress
Setting can not occur the case where continue working.
Description of the drawings
Fig. 1 is the tobacco impurities identification based on exciting light, eliminating system structural schematic diagram；
Fig. 2 is the structural schematic diagram of tobacco impurities identification device of the present invention；
Fig. 3 is the structural schematic diagram that module occurs for laser of the present invention；
Fig. 4 is the structural schematic diagram of collimating module of the present invention；
Fig. 5 is the structural schematic diagram of conversion module of the present invention；
Fig. 6 is the structural schematic diagram of tobacco impurities identification system of the present invention.
Wherein, 100 occur module for laser, and 200 be scan module, and 300 be collimating module, and 400 be conversion module, and 1 is
Vibrating device, 2 be deflector chute, and 3 be tobacco impurities identification device, and 4 be background roller, and 5 be air-jet device, and 6 be impurity slot, and 7 be conjunction
Cell, 8 be fixed frame, and 9 be conveyer belt, and 10 be waste material collection device, and 11 be 450nm lasers, and 12 be the first total reflection mirror, 14
For the first optical filter, 15 be the first photoelectric converter, and 16 be third total reflection mirror, and 17 be the second total reflection mirror, and 18 be lens, 19
For diaphragm, 20 be light barrier, and 21 be package casing, and 22 be transparent enclosure block, 23 devices in order to control, and 24 be the second optical filter, 25
It is semi-transparent semi-reflecting lens for the second photoelectric converter, 26, A10 is sample to be identified.
Specific implementation mode
The present invention is further elaborated with reference to the accompanying drawings of the specification.
As shown in Figure 1, a kind of tobacco impurities identification based on exciting light of the present invention, eliminating system, including fixed frame 8, cigarette
Careless impurities identification device 3, tobacco impurity device for eliminating, deflector chute 2, impurity slot 6 and success slot 7, wherein tobacco impurities identification
Device 3, tobacco impurity device for eliminating, deflector chute 2, impurity slot 6 and success slot 7 are mounted on fixed frame 8, and deflector chute 2 enters
Mouth is connect with feeding equipment, and the outlet of deflector chute 2 lower section is detection zone, and success slot 7 is set to detection zone lower section；Tobacco impurity is known
Other device 3 is symmetrically arranged on detection zone both sides, the sample A10 to be identified in the laser rays alignment detection zone of transmitting；It is miscellaneous
Matter slot entrance is set to detection zone side, the executing agency of corresponding tobacco impurity device for eliminating；Tobacco impurities identification device and cigarette
Careless impurity device for eliminating is electrically connected with control device 23.
Fixed frame 8 includes main body rack, tobacco impurities identification appliance stand and deflector chute holder, wherein deflector chute holder
It is fixed on position among main body rack top, tobacco impurities identification appliance stand is two, is divided into main body rack top, guide
Slot holder both sides；Tobacco impurity device for eliminating is fixed in deflector chute holder side, and impurity slot 6 and success slot 7 are installed on main body rack
On.
Present system also has vibrating device, is set between deflector chute 2 and feeding equipment, and the outlet of vibrating device corresponds to
2 entrance of deflector chute.The setting of vibrating device is to make to enter deflector chute 2 after vibrating device shakes and dissipates separation after sorted sample.
In the present embodiment, tobacco impurities identification device 3 including laser as shown in Fig. 2, occur module 100, scan module
200, collimating module 300 and conversion module 400, wherein：
The scanning laser that module 100 is used to send 450nm to scan module 200 occurs for laser；
Scan module 200 is polygonal rotating mirror (can be 4~20 faces, the present embodiment uses 10 faces), is swept for scanning laser
Retouch sample to be identified；Scanning laser is excited after scanning sample to be identified, generates the exciting light of reflection Tobacco Reference (as scanned
To tobacco, then the exciting light peak value generated is between 510~520nm, and non-tobacco substance is arrived in such as scanning, then in 510~520nm waves
Section does not generate peak value, and mouldy tobacco is arrived in such as scanning, then exciting light peak value is between 340~360nm), the scanned mould of the exciting light
Enter collimating module 300 after block reflection；The polygonal rotating mirror of scan module 200 has high rotating speed, scan frequency high, meets accurate
Testing requirements.
Collimating module 300 carries out collimation processing to exciting light；Conversion module 400 is for the exciting light turn that will collimate that treated
Electric signal is changed to send to control device 23；It send to control device 23 corresponding for carrying out processing acquisition sample to be identified to electric signal
Information, and judge whether sample to be identified is tobacco impurity according to gained information.
As shown in figure 3, it includes 450nm lasers 11 and the first total reflection mirror 12 that module 100, which occurs, for laser；450nm laser
The laser that device 11 is sent out is propagated after the reflection of the first total reflection mirror 12 to scan module 200.
As shown in figure 4, collimating module 300 includes the second total reflection mirror 17, lens 18, diaphragm 19 and third total reflection mirror
16, wherein the second total reflection mirror 17 has beam orifice, it is totally reflected exciting light, beam orifice passes through for scanning laser；
Lens 18 carry out collimation processing to exciting light；Diaphragm 19 filters out the stray light in collimation treated exciting light；
The total reflection of third total reflection mirror 16 by collimation treated exciting light so that exciting light by collimation processing to
Conversion module 400 is propagated.
As shown in figure 5, conversion module 400 is photoelectric conversion unit, for receiving 510~520nm exciting lights, and by its turn
It is changed to corresponding electric signal；Photoelectric conversion unit includes the first optical filter 14 and the first electrooptical device 15, photoelectric converter
Part 15 is photomultiplier, photodiode or snowslide pipe；First optical filter 14 is set to corresponding first electrooptical device 15
Light-receiving mouth position.The scanning laser light velocity is all-trans by being incident on third through the second total reflection mirror 17, lens 18 and diaphragm 19
Penetrate mirror 16.In order to receive the exciting light of different reflection wavelengths respectively, the present invention be equipped with the semi-transparent semi-reflecting 26, second optical filter 24 and
Second photoelectric converter 25 reflects 510nm or less wavelength wherein semi-transparent semi-reflecting 26 penetrate 510nm wavelengths above；Second optical filter
24 allow 340-360nm wavelength lights to penetrate, and the conversion of photosignal are carried out by the second electrooptical device 25, and will conversion
Electric signal output afterwards is to control device 23；First optical filter 14 allows 510-520nm wavelength to penetrate, and is turned by the first photoelectricity
Parallel operation 15 carries out the conversion of photosignal, and by transformed electric signal output to control device 23.
As shown in fig. 6, tobacco impurities identification device 3 further include be set to laser occur module 100 and collimating module 300 it
Between light barrier 20 (from Fig. 6, be provided at laser occur module 100 the first total reflection mirror 12 and collimating module 300 the
Between two total reflection mirrors 17), the extra scattering light that module 100 occurs for blocking laser enters collimated light path；Light barrier 20
With through-hole, pass through for the scanning laser light velocity, interference is generated to conversion module 400 for preventing laser from module 100 occurs.
Tobacco impurities identification device further includes package casing 21, which occurs module 100, scanning mould by laser
Block 200, collimating module 300 and conversion module 400 are packaged together；Package casing 21 has scanning window, for scanning laser
And exciting light passes through.
In the present embodiment, transparent enclosure block 22 can be embedded in scanning window, so that scanning laser and exciting light pass through
On the basis of further enhance the leakproofness of tobacco impurities identification device 3, to avoid introduced contaminants from entering tobacco impurities identification
Inside device 3.
Tobacco impurities identification device further includes the background roller for being respectively arranged at deflector chute outlet lower section both sides.Background roller 4 is same
When also be located at sample A10 to be identified far from scanning window side.
Background roller 4 is cylindrical, prism shape or plate, and the laser through provision wavelengths (the present embodiment 450nm) shines
The exciting light peak value generated after penetrating is between prescribed limit (510~520nm).In the present embodiment, 4 surface layer of background roller is and tobacco
The identical tobacco-containing material of waterfall makes, and is dragged by driving motor and generate rotation, and rotation linear velocity falls with tobacco waterfall
Speed is suitable, reaches dynamic effect, and can remove the foreign matter fallen on 4 surface of background roller.4 diameter of background roller is not less than free-falling
Smoked sheet formed gap.The setting of background roller 4 is to consider that tobacco waterfall will produce gap in free-falling and be easy to cause mistake
Sentence and tobacco impurity device for eliminating is caused to malfunction.
As shown in Figure 1, present system also has vibrating device 1, it is set to deflector chute 2 and feeding equipment (not shown)
Between, the outlet of vibrating device 1 corresponds to 2 slot entrance of guide.
Tobacco impurity device for eliminating in present system uses air-jet device, is mounted on fixed frame, detection zone erects
Straight lower section side.The center of nozzle of the scan line away from air-jet device of tobacco impurities identification device is 10~40cm.
A kind of tobacco impurities identification based on exciting light of the present invention, elimination method, include the following steps：
System starts, and tobacco to be identified (sample A10 i.e. to be identified) is sent into vibrating device 1 by feeding equipment；
Enter deflector chute 2 after so that tobacco is become loose condition (of surface) under the action of vibrating device 1；
Loose tobacco to be identified is exported by 2 lower part outlet of deflector chute to be formed the tobacco waterfall of free-falling and enters detection zone
Domain；
The tobacco impurities identification device 3 for being symmetrically arranged in detection zone both sides quickly identifies tobacco waterfall；
When identifying foreign matter, control device 23 starts tobacco impurity device for eliminating, and foreign matter is sent into impurity slot 6.
Tobacco impurities identification device 3 carries out quickly identification to tobacco waterfall and includes the following steps：
Tobacco waterfall is continually scanned for assigned frequency by the laser beam that tobacco impurities identification device output wavelength is 450nm
On；
If generation exciting light peak value between 510~520nm, for qualified tobacco, fall directly into success slot 6；
If the exciting light peak value generated between 340~360nm, for mouldy tobacco, which is sent to control and is filled
23 are set, enabling signal, tobacco impurity device for eliminating action, by mouldy cigarette are sent from control device 23 to tobacco impurity device for eliminating
Grass is sent into impurity slot 6；
If the exciting light generated is within the scope of 510~520nm and 340~360nm without peak value, current detected material
Matter is non-tobacco substance, which is sent to control device 23, sends and starts from control device 23 to tobacco impurity device for eliminating
Non-tobacco substance is sent into impurity slot 6 by signal, the action of tobacco impurity device for eliminating.
Laser beam scans tobacco with assigned frequency, is realized by the scan module in tobacco impurities identification device, is one
Polygonal rotating mirror, rotating speed are 5000~20000 revs/min, therefore determine scan frequency by controlling polygonal rotating mirror rotating speed.
The present invention installs vibrating device additional in original system, be in order to by tobacco to be identified shake dissipate separation after enter back into guide
Slot 2；Deflector chute 2 vertically below be detection zone, tobacco impurities identification device 3 judge by detection zone tobacco to be sorted whether be
Tobacco impurity or mouldy tobacco then start the cigarette for being located at detection zone side vertically below if it is tobacco impurity or mouldy tobacco
Tobacco impurity is blown off free-falling route, makes it into impurity slot 6 by careless impurity device for eliminating, that is, air-jet device 5.
In the present invention, sample to be identified, that is, tobacco to be identified refers in cigarette ingredient semi-finished product, including smoked sheet, offal and pipe tobacco
It is one or more.Tobacco impurity refers to mixed non-tobacco substance in tobacco.
Tobacco impurities identification device of the present invention is to generate spy after by 450nm laser excitations based on the tobacco leaf in sample to be identified
This feature of the exciting light of sign wavelength differentiates sample to be identified；The exciting light peak value generated if scanning to tobacco leaf exists
Between 510~520nm, if generate exciting light peak value between 340~360nm, for mouldy tobacco.And it scans and arrives non-cigarette
When substance, generated exciting light, without peak value, can judge tobacco accordingly within the scope of 510~520nm or 340~360nm
With tobacco impurity (tobacco impurity refers to non-tobacco substance).
When tobacco impurity device for eliminating works, vibrating device 1 constantly vibrates, to be carried out at vibration to tobacco to be identified
Reason realizes that shaking for tobacco to be sorted dissipates the purpose of separation.After sorting tobacco after vibrating device 1 shakes and dissipates separation from vibrating device 1
Discharge port enter deflector chute 2, pass through the discharge port free-falling of deflector chute 2；The tobacco to be sorted of free-falling is by detection
It is detected by detection device 3 when area, when tobacco impurities identification device 3 judges by detection zone when sorting in tobacco containing impurity
Start air-jet device 5, tobacco impurity is blown off free-falling route, makes it into impurity slot 6, and the conjunction in tobacco to be sorted
Lattice tobacco then enter success slot 7, to realize automatic rejection tobacco to be sorted tobacco impurity purpose, it is miscellaneous to improve tobacco
Matter rejects efficiency, and reduces cost of labor.
Due to first passing through the vibration processing of vibrating device 1 before tobacco to be sorted passes through deflector chute 2 by detection zone, with
So that tobacco to be sorted loosely is detached, avoids the tobacco to be sorted of conglomeration from blocking deflector chute 2 or success slot 7 or impurity slot 6, lead to cigarette
Careless impurity device for eliminating can not occur the case where continue working.And due to the vibration processing of vibrating device 1, tobacco to be sorted is filled
Separation avoids the occurrence of the knowledge of tobacco impurity so that tobacco impurities identification device 3 operates the detection of most of tobacco to be sorted
Other device 3 can not be to the detection of the inside tobacco of the tobacco to be sorted of conglomeration, and to improve, to treat tobacco in sorting tobacco miscellaneous
The recognition accuracy of matter.
The present invention proposes a kind of specific method for starting and being located at the detection zone air-jet device 5 of side vertically below, including：
When tobacco impurities identification device 3 judges to be denoted as time zero when sorting in tobacco containing tobacco impurity by detection zone；
After time zero delay stipulated time, start air-jet device 5, air-jet device 5 is made to continue jet within the injection time.
Delay time is blown the calculating of the distance between positional distance detection zone according to blowing device and gets, due to tobacco impurity
The use environment of device for eliminating is different, and the aerostatic buoyancy that tobacco to be sorted is subject to is also different, therefore delay time needs according to not
Depending on same use environment.The injection time can determine according to the average-size of tobacco impurity in tobacco to be sorted, average-size
It can be determined by historical experience, can also be sampled in tobacco to be sorted and be averaged determination, can also known by tobacco impurity
Other 3 real-time judge of device；The present invention is specific to regard reality to not limited with the specific determining method for blowing time and delay time
Depending on situation.
The distance between air-jet device 5 and detection zone are 25cm~50cm, including endpoint value.Air-jet device 5 and detection zone
The distance between refer to air line distance between 5 nozzle center of air-jet device and detection zone central point.And air-jet device 5 and detection
The distance between area is bigger, and more it is difficult to predict then have can for air-jet device 5 for the movement locus of tobacco impurity in tobacco to be sorted
It can not blow away the tobacco impurity in tobacco to be sorted.The distance that the present embodiment uses is preferably 30cm.
Air-jet device 5 has the compressed gas nozzle of multiple controlled by solenoid valves, multiple compressed gas nozzle horizontal directions
Arrangement, arrangement width are predetermined width.Predetermined width is depending on the width of the discharge port of deflector chute 2.In general compressed gas
The gas that body nozzle sprays, which is air, to be met the requirements, but in the present embodiment, and the gas for compressing the ejection of other nozzles may be used also
Think the influence for avoiding treating sorting tobacco as far as possible by inert gases such as dry air or helium or neons.
In the present embodiment, the purpose for tobacco impurities identification device being respectively set in detection zone both sides is examined respectively from both sides
Tobacco leaf to be sorted is surveyed, the recognition accuracy for treating the tobacco impurity in sorting tobacco leaf is improved.The feeding mouth size of deflector chute 2 is more than
Its discharge port size, for carrying out rope flow by the tobacco to be sorted of vibrating device 1；Deflector chute 2 will enter therein wait for point
It selects tobacco to carry out rope flow, had both made to form one width and thickness by the tobacco to be sorted of deflector chute 2 by the effect of contraction of itself
Spend certain stream.Tobacco impurity device for eliminating further includes the discharge port conveyer belt 9 vertically below positioned at success slot 7, is used for
The qualified tobacco of transmission；Conveyer belt 9 makes qualified tobacco enter next process for transmitting qualified tobacco.Conveyer belt 9 can also quilt
Other collection devices substitute, such as collecting vessel etc..
Equally, one waste material collection device 10 can also be set vertically below in the discharge port of impurity slot 6, for collecting
Tobacco impurity in tobacco to be sorted.
Claims (7)
1. a kind of tobacco impurities identification based on exciting light, elimination method, it is characterised in that include the following steps：
System starts, and tobacco to be identified is sent into vibrating device by feeding equipment；
Enter deflector chute after so that tobacco is become loose condition (of surface) under the action of vibrating device；
Loose tobacco is exported by deflector chute lower part outlet to be formed the tobacco waterfall of free-falling and enters detection zone；
The tobacco impurities identification device for being symmetrically arranged in detection zone both sides quickly identifies tobacco waterfall；
When identifying foreign matter, control device starts tobacco impurity device for eliminating, and foreign matter is sent into impurity slot；
Tobacco impurities identification device carries out quickly identification to tobacco waterfall and includes the following steps：
The laser beam that 450nm is exported by tobacco impurities identification device continually scans on tobacco waterfall, if the exciting light generated
Peak value is then qualified tobacco, falls directly into success slot between 510~520nm；
If the exciting light peak value generated, for mouldy tobacco, which is sent to control device between 340~360nm, by
Control device sends enabling signal to tobacco impurity device for eliminating, and mouldy tobacco is sent into miscellaneous by the action of tobacco impurity device for eliminating
Matter slot；
If the exciting light generated is non-tobacco substance without peak value, current tested substance, which is sent to control device,
Enabling signal is sent from control device to tobacco impurity device for eliminating, non-tobacco substance is sent in the action of tobacco impurity device for eliminating
Enter impurity slot.
2. tobacco impurities identification as described in claim 1 based on exciting light, elimination method, it is characterised in that：Tobacco impurity
There is scan module in identification device, be a polygonal rotating mirror, rotating speed is 5000~20000 revs/min.
3. tobacco impurities identification as described in claim 1 based on exciting light, elimination method, it is characterised in that：In tobacco waterfall
The other side that cloth corresponds to tobacco impurities identification device outgoing laser beam is equipped with background roller, and roller surface layer is identical with tobacco waterfall
Tobacco-containing material.
4. a kind of tobacco impurities identification based on exciting light, eliminating system, it is characterised in that：Know including fixed frame, tobacco impurity
Other device, tobacco impurity device for eliminating, deflector chute, impurity slot and success slot, wherein tobacco impurities identification device, tobacco impurity
Device for eliminating, deflector chute, impurity slot and success slot are mounted on fixed frame, and deflector chute entrance is connect with feeding equipment, is led
Hopper outlet lower section is detection zone, and success slot is set to below detection zone；Tobacco impurities identification device is symmetrically arranged on detection
Region both sides, the laser rays of transmitting are directed at the sample to be identified in detection zone；Impurity slot entrance is set to detection zone side,
The executing agency of corresponding tobacco impurity device for eliminating；Tobacco impurities identification device and tobacco impurity device for eliminating and control device electricity
Connection；
The other side that tobacco impurities identification device outgoing laser beam is corresponded in tobacco waterfall is equipped with background roller, and roller surface layer is and cigarette
The identical tobacco-containing material of careless waterfall, the exciting light peak value that background roller generates after the laser irradiation of provision wavelengths 450nm are providing
Between 510~520nm of range；
The background roller is rotary structure, is dragged by driving device, and the linear velocity of rotation is equivalent to the whereabouts of tobacco waterfall
Speed；Background roller diameter is not less than the gap that the smoked sheet of free-falling is formed.
5. tobacco impurities identification as described in claim 4 based on exciting light, eliminating system, it is characterised in that：Also have and shakes
Dynamic device, is set between deflector chute and feeding equipment, the outlet of vibrating device corresponds to deflector chute entrance.
6. tobacco impurities identification as described in claim 4 based on exciting light, eliminating system, it is characterised in that：Tobacco impurity
Device for eliminating uses air-jet device, and the center of nozzle of the scan line away from air-jet device of tobacco impurities identification device is 10~
40cm。
7. tobacco impurities identification as described in claim 4 based on exciting light, eliminating system, it is characterised in that：Fixed frame packet
Main body rack, tobacco impurities identification appliance stand and deflector chute holder are included, wherein deflector chute holder is fixed on main body rack
Position among portion, tobacco impurities identification appliance stand are two, are divided into main body rack top, deflector chute holder both sides；Guide
Tobacco impurity device for eliminating is fixed in slot holder side, and impurity slot and success slot are installed on main body rack.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610511709 | 2016-07-01 | ||
| CN2016105117097 | 2016-07-01 |
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| CN107296297A CN107296297A (en) | 2017-10-27 |
| CN107296297B true CN107296297B (en) | 2018-07-24 |
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| CN201621073583.1U Active CN206062098U (en) | 2016-07-01 | 2016-09-22 | Based on the Nicotiana tabacum L. impurities identification of exciting light, eliminating system |
| CN201610841428.8A Active CN107296297B (en) | 2016-07-01 | 2016-09-22 | A kind of tobacco impurities identification, eliminating system and method based on exciting light |
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| CN201621073583.1U Active CN206062098U (en) | 2016-07-01 | 2016-09-22 | Based on the Nicotiana tabacum L. impurities identification of exciting light, eliminating system |
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|---|---|---|---|---|
| CN108311397A (en) * | 2018-02-02 | 2018-07-24 | 李美全 | A kind of laser sorting machine for tobacco edulcoration |
| CN108655027A (en) * | 2018-06-08 | 2018-10-16 | 安徽捷迅光电技术有限公司 | A kind of impurities identification on color selector rejects structure |
| CN110482274A (en) * | 2019-07-31 | 2019-11-22 | 河南中烟工业有限责任公司 | A kind of tobacco cutting production line removal of impurities conveying device and its control method |
| CN110742299A (en) * | 2019-11-05 | 2020-02-04 | 智思控股集团有限公司 | Stem and crutch removing method and system |
| CN113533349A (en) * | 2021-07-19 | 2021-10-22 | 吴玉生 | Intelligent automatic tobacco shred impurity detecting and removing system |
| GB2618044B (en) * | 2021-10-27 | 2024-04-10 | Univ Jiangsu | Method and device for detecting plastic foreign objects with low chromaticity difference in shredded tobacco through online pulse spectral imaging |
| CN114088639B (en) * | 2021-10-27 | 2023-11-10 | 江苏大学 | Pulse spectrum online imaging detection method and device for low-chroma-difference plastic foreign matters in cut tobacco |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3812349A (en) * | 1973-04-06 | 1974-05-21 | Laser Sciences Inc | Apparatus for inspecting cigarettes or the like |
| CA2499853C (en) * | 2004-03-15 | 2012-11-13 | Universal Leaf Tobacco Company, Inc. | Apparatus and method for scanning and sorting tobacco leaves |
| CN100563473C (en) * | 2004-03-15 | 2009-12-02 | 万国烟草公司 | Be used to scan apparatus and method with sorting tobacco leaves |
| DE102004015463B4 (en) * | 2004-03-26 | 2006-07-06 | Hauni Primary Gmbh | Method and device for foreign body separation |
| CN2912277Y (en) * | 2006-05-21 | 2007-06-20 | 合肥安大电子检测设备厂 | Tobacco edulcoration separating device |
-
2016
- 2016-09-22 CN CN201621073583.1U patent/CN206062098U/en active Active
- 2016-09-22 CN CN201610841428.8A patent/CN107296297B/en active Active
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| CN206062098U (en) | 2017-04-05 |
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