CN108114909A - A kind of old metal intelligence storting apparatus and method based on Libs systems - Google Patents
A kind of old metal intelligence storting apparatus and method based on Libs systems Download PDFInfo
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- CN108114909A CN108114909A CN201611070550.6A CN201611070550A CN108114909A CN 108114909 A CN108114909 A CN 108114909A CN 201611070550 A CN201611070550 A CN 201611070550A CN 108114909 A CN108114909 A CN 108114909A
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- old metal
- sorting
- metal sample
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
- G01N21/718—Laser microanalysis, i.e. with formation of sample plasma
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
- B07C2501/0036—Sorting out metallic particles
Abstract
The present invention relates to a kind of old metal intelligence storting apparatus and method based on Libs systems, equipment includes：Belt system, image capturing system, Libs systems, mechanism for sorting and main control computer.Method is：Old metal sample is transmitted by belt system, image capturing system carries out Image Acquisition to old metal sample, Libs systems effectively identify old metal sample mechanism for sorting precisely sorts old metal sample, the co-ordination under main control computer control of each subsystem.The present invention uses the chemical characteristic of Libs network analysis old metal, and old metal ingredient effectively can be identified, realizes the highly difficult sorting of two kinds and more than similar component old metal.The present invention coordinates high-frequency electromagnetic valve, can greatly improve the sorting efficiency of old metal, with conventional sorting methods incomparable accuracy of identification and recognition efficiency using air-blowing mechanism for sorting.
Description
Technical field
The present invention relates to old metal to sort field, and intelligently selection is set specifically a kind of old metal based on Libs systems
Standby and method.
Background technology
Field is sorted for old metal：Old metal refers to the metal or alloy product for being temporarily lost with use value.Old metal
Generally all there is useful metal, while also comprising harmful element.If mishandling to old metal, that is, it is likely to cause money
The waste in source, and environmental pollution may be caused.Therefore sort and recycling is to realize the important means that old metal efficiently uses.At present
Sorting technology is mainly distinguished using the physical characteristic of old metal in itself, such as density, magnetism, electrical, optics etc..Tradition point
Choosing method includes screening, gravity separation, flotation, magnetic current body sorting, electric field sorting, selection etc..Due to the physics of some old metal
Characteristic close, conventional sorting methods are there are the not high inferior position of sharpness of separation or even cannot effectively complete to sort.It is also possible to simultaneously
There are the shortcomings of environmental pollution is big, availability is not high, resource loss is big.The sorting technology of chemical characteristic based on old metal in itself
The accuracy of separation results can be more directly reflected, therefore be the development trend of current sorting technology.
Libs (laser induced breakdown spectroscopy) systems focus on sample surfaces by ultra-short wave pulse laser and form plasma,
It is analyzed using spectrometric instrument plasma emission spectrum, draws sample constituent content, finally have to material
Effect identification, classification, Qualitative and quantitative analysis.Since Libs systems can carry out sample online quick detection identification (usually
For Millisecond), Libs systems with chemical characteristic Sorting Technique are combined, the quick of Libs systems can be played to greatest extent
The accuracy and sorting efficiency of old metal sorting is greatly improved in the advantages of evident characteristics.
This invention address that the chemical characteristic Sorting Technique of old metal in itself, core technology is based on Libs systems, simultaneously
With reference to technologies such as pipeline, image capturing system, mechanism for sorting, automation control and recognizers, eminence can be finally realized
The old metal selection of reason amount, high availability and high disposal precision.
The content of the invention
For above-mentioned shortcoming in the prior art, meet the high-precision requirement of old metal sorting, the present invention will
The technical issues of solution, is to provide a kind of old metal intelligence storting apparatus and method based on Libs systems.
Present invention technical solution used for the above purpose is：A kind of old metal based on Libs systems intelligently picks
Optional equipment and method.
A kind of old metal intelligence storting apparatus based on Libs systems, including：
Belt system 100, for carrying and transferring old metal sample 000, and its running speed is by main control computer
500 controls；
Image for carrying out Image Acquisition to old metal sample 000, and is uploaded to master control meter by image capturing system 200
Calculation machine 500；
Libs systems 300, for 000 emission pulse laser beam of old metal sample formed plasma, then equity from
The emission spectrum of daughter is acquired and analyzes, and the spectrum of old metal sample 000 is uploaded to main control computer 500；
Mechanism for sorting 400, the sorting path for being exported according to main control computer 500 are sorted；
Main control computer 500, for providing timing control for each system in entire sorting device and mechanism；Control conveying
Band 100 running speed of system；Control image capturing system 200 gathers 000 image of old metal sample and carries out image procossing, obtains
Position coordinates, the size and shape of each old metal sample 000；Libs systems 300 is controlled to carry out light to old metal sample 000
Spectrum transmitting collects and analyzes, so as to judge the classification of the old metal sample 000 and sorting path；Control mechanism for sorting 400
Sorting work is carried out according to the sorting path of regulation.
The belt system 100 includes：101,2 toothed belts 102 of feeding slideway mechanism, toothed belt 103, servo electricity
Machine 104, encoder 105；
The servomotor 104 is connected to through shaft coupling on active toothed belt 102-1, one end of toothed belt 103 and master
Dynamic toothed belt 102-1 engagements, its other end are engaged with driven toothed belt wheel 102-2, and toothed belt 103 is tensioned, servo electricity
Machine 104 drives toothed belt 103 steadily to operate；Encoder 105 obtains servomotor rotating speed in real time, and is reported to main control computer
500, main control computer 500 converts according to gearratio, draws 103 real-time running speed V of toothed belt.
The old metal sample 000 is placed in individual layer queueing form in belt system 100.
Described image acquisition system 200 includes：One CCD camera 201, shield 202, several lamp groups 203；The CCD phases
Machine 201 is placed on the surface of 100 center line of belt system, is H1, i.e. preset field of view model apart from 103 surface distance of tooth form
It encloses adjustable；A zero datum 204 is internally provided in preset field of view, is fixed in non-moving parts, space coordinates is fixed not
Become；At the Image Acquisition moment each time, each old metal sample 000 can be obtained in preset field of view apart from zero datum 204
Space length, so as to obtain the spatial position coordinate of sample；
The center line of the center line of 200 preset field of view of described image acquisition system and 300 focused light passages of Libs systems is defeated
The distance in tape motion direction i.e. X-direction is sent as L1, and cannot be less than L1min, L1min=0.5LDepending on+Lmin, LDepending onExist for preset field of view
Convey the distance in tape motion direction, it is ensured that Libs systems 300 have the old metal sample 000 of any position in predetermined field of view
Enough response times.
The Libs systems 300 include：Pulse laser light path 301 collects light path 302, speculum 303, dichroscope
304th, spectroanalysis instrument 306；The speculum 303 is placed in parallel with dichroscope 304 and space relative distance is L3, and is made
Pulse laser light path 301, the collecting direction of spectrum, the impact direction of pulse laser are consistent；
The pulse laser light path 301 is made of pulse laser 3011 with focusing microscope group 3012 is expanded；Pulse laser
3011 send the pulsed light beam with certain angle of divergence and thin hot spot, and pulsed light beam successively focuses on the expansion of microscope group 3012 by expanding
Shu Jing and focus lamp, speculum 303, dichroscope 304 are ultimately applied to 000 surface excitation of old metal sample and go out spectrum；
000 surface excitation of old metal sample goes out spectrum, successively by dichroscope 304, by 3021 and of collection microscope group
Optical fiber 3022, which is formed, collects light path 302, is finally collected by spectroanalysis instrument 306；
The spectroanalysis instrument 306 include at least one to eliminate the influence filter plate of two level and more than diffraction, one
With the matched collimating mirror of numerical aperture, spectro-grating and the detector of optical fiber 3022；Spectroanalysis instrument 306 is with then to selecting ripple
The spectral information of section is acquired and analyzes, and the spectrum of old metal sample 000 is uploaded to main control computer 500.
The Libs systems 300 further include a protecting window 305, and window plane is hung down axis with collecting 302 optical axis of light path
Direction is in α angles, and value is 5 °；For being realized to internal pulse laser light path 301, collection light path 302, spectroanalysis instrument 306
Protection.
The mechanism for sorting 400 includes：A row or multi-row air-blowing pipeline 401, nozzle mount 402, nozzle adjustment axis
403rd, plate 404, source of the gas 405, sorting case 1, sorting case 2 407 are sorted；
The air-blowing pipeline 401 includes nozzle 4011, tracheae 4012 and high frequency machinery valve 4013；The air-blowing pipeline of entire row
401 are installed in nozzle mount 402, and nozzle mount 402 can adjust axis 403 along nozzle and carry out angle adjustment, and lock
Both tight relative angle；Nozzle adjustment axis 403 can be adjusted along X to Z-direction into row position, thus sort the position of point one
Determine to be adjusted in scope；
Main control computer 500 provides sorting signal to the high frequency machinery valve 4013 of each air-blowing pipeline 401, and then controls
The break-make of compressed air；The compressed air of blowout is acted on the old metal sample 000 being sorted at a high speed, changes old metal sample
000 flight path；Plate 404 is sorted to the old metal sample 000 to fly along path 1 to intercept and collect in sorting case 1
Interior, the old metal sample 000 to fly along path 2 is collected in sorting case 2 407.
A kind of old metal intelligence picking method based on Libs systems, comprises the following steps：
Step 1：Main control computer 500 controls belt system 100 at the uniform velocity to be operated with speed V, 500 basis of main control computer
The servomotor rotating speed and gear ratio calculation of 105 real-time report of encoder draw 103 real-time running speed V of toothed belt, in real time
Monitor the motion state of belt system 100；
Step 2：Manually or automatically old metal sample 000 is placed on the feeding slideway of belt system 100, old metal
Sample 000 is slided in individual layer queueing form, and toothed belt 103 drives old metal sample 000 to be moved with speed V, passes sequentially through other
Subsystem；
Step 3：Image capturing system 200 carries out continuous sampling to each old metal sample 000 into preset field of view
Processing, main control computer 500 is uploaded to by the image of acquisition；
Step 4：Main control computer 500 image information of acquisition is carried out binary conversion treatment, dimension-reduction treatment, sample identification,
Sizing calibration, sample center point coordinate calculate；Then processing is numbered to sample, establishes with sample number into spectrum information, position
The database of information, dimension information, and real-time update database information；According to the motion state of database information and conveyer belt,
It may know that old metal sample 000 by during the focusing optical axis of the pulse laser light path 301 of Libs systems 300 and mechanism for sorting
The correct time of 400 sorting point；
Step 5：When the focusing optical axis of the pulse laser light path 301 centrally through Libs systems 300 of old metal sample 000
When, main control computer 500 is worked with triggering mode control laser pulse light path 301, is sent pulse laser beam, is impacted in old metal
000 center of sample；It is collected simultaneously light path 302 and collects excitation spectrum, spectroanalysis instrument 306 analyzes spectral information, and will
Analysis result is uploaded to main control computer 500；
Step 6：Main control computer 500 is according to the spectrum of the old metal sample 000 of the output of Libs systems 300 to old metal
Sample 000 is identified, and determines the ingredient of old metal sample 000, to the compositional classification attribute of database addition sample；
Step 7：When old metal sample 000 is reached at the sorting point of mechanism for sorting 400, main control computer 500 is with triggering
Mode controls mechanism for sorting 400 to carry out intelligent sorting to old metal sample 000；When being not required to reject, sorting is passed through with flat path 1 of throwing
Mechanism 400, into sorting case one；When needing to reject, according to the dimension information of sample, several air-blowing pipelines 401 spray compression
Air, airflow function is on old metal sample 000, and the flat throwing track of old metal sample 000 changes at this time, with path 2 into
Enter to sort case two.
The invention has the advantages that and advantage：
1. the present invention uses the chemical characteristic of Libs network analysis old metal, old metal can effectively be identified, it is real
Existing two kinds and more than similar component old metal highly difficult sorting (such as aluminium alloy family, conventional sorting methods by appearance without
Method realizes sorting).
2. radio frequency of the present invention has the incomparable accuracy of identification and recognition efficiency of conventional sorting methods.
3. laser of the present invention sends the time of pulse laser and arrives at pulse laser with the central point of old metal sample
The time of the focusing optical axis of light path is highly consistent, i.e., only arrives at pulse laser light path 301 in the central point of old metal sample 000
When focusing on optical axis, carry out accurate laser impact and spectral collection, compared to other in the prior art laser always in sending
The situation of laser can be greatly improved the work efficiency of laser, and then extend the working life of laser, reduce this patent and relate to
And the old metal intelligence storting apparatus based on LIBS systems operation cost.
4. the present invention is coordinated high-frequency electromagnetic valve, can greatly be improved the sorting effect of old metal using air-blowing mechanism for sorting
Rate.
Description of the drawings
Fig. 1 is the front view of the old metal intelligence storting apparatus based on Libs systems of the present invention；
Fig. 2 is the top view of the old metal intelligence storting apparatus based on Libs systems of the present invention；
Fig. 3 realizes the principle schematic for being sorted sample individual layer queueing form to be a kind of in the present invention；
Fig. 4 is the principle schematic of Libs systems in the present invention；
Fig. 5 is the front view of mechanism for sorting in the present invention；
Fig. 6 is the top view of mechanism for sorting in the present invention.
In Fig. 1,2：Old metal sample 000, belt system 100, image capturing system 200, Libs systems 300, sorting
Mechanism 400, main control computer 500；
Belt system 100, feeding slideway mechanism 101, toothed belt 102, toothed belt 103, servomotor 104, coding
Device 105；
Image capturing system 200, CCD camera 201, shield 202, lamp group 203, zero datum 204；
In Fig. 1,2,4：Libs systems 300, (pulse laser 3011 expands focusing microscope group to pulse laser light path 301
3012) light path 302 (collecting microscope group 3021, optical fiber 3022), speculum 303, dichroscope 304, protecting window 305, light, are collected
Spectrum analysis instrument 306；
In Fig. 1,2,5,6：Mechanism for sorting 400, air-blowing pipeline 401 (nozzle 4011, tracheae 4012, high frequency machinery valve
4013), nozzle mount 402, nozzle adjustment axis 403, sort plate 404, and source of the gas 405 sorts case 1, sorts case 2 407.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the old metal intelligence storting apparatus (abbreviation storting apparatus) based on Libs systems includes：Conveyer belt system
System 100, image capturing system 200, Libs systems 300, mechanism for sorting 400 and main control computer 500.Libs is induced with laser
Breakdown spectral.
Old metal sample 000 is the object of storting apparatus work.Belt system 100 is to transfer old metal sample 000
Mechanism.Image capturing system 200 carries out Image Acquisition to the old metal sample 000 on conveyer belt, and image is uploaded to master control
Computer 500.Libs systems 300 to 000 emission pulse laser of old metal sample, form plasma, then Libs systems first
The emission spectrum of 300 plasmas of uniting is acquired, and spectral information is uploaded to main control computer 500.Main control computer
500 carry out old metal sample 000 according to spectral information the chemical characteristics identification based on old metal in itself, according to recognition result,
Sorting signal is sent to mechanism for sorting 400.Mechanism for sorting 400 completes old metal sample 000 species sorting, and the present invention uses gas
Blow formula mechanism for sorting 400.The control axis of main control computer 500 or entire storting apparatus, it controls its sub-systems to coordinate
Work.
Next each subsystem composition and function are discussed in detail with reference to the accompanying drawings.
Before the sorting work of this patent description is carried out, vibrating screen need to be used, according to the pore size of sieve pore, to useless gold
Belong to sample 000 and carry out dimensions classification, generally the old metal sample 000 in same specification, the size of maximum sample must not
More than 3 times of its minimal sample size.
The belt system 100 that patent of the present invention is related to is the technology of universal mature, it is desirable that the movement velocity of conveyer belt can
Sliding phenomenon (such as tooth form conveyer belt, chain type conveyor belt etc.) does not occur when operating for continuous adjustment, conveyer belt, and can be anti-in real time
Present real-world operation speed.This patent gives a kind of 100 exemplary construction of belt system, as shown in Figure 1, 2, mainly by upper
Expect slideway mechanism 101, toothed belt 102, toothed belt 103, servomotor 104,105 grade of encoder composition.Its cardinal principle is such as
Under：Servomotor 104 is connected to through shaft coupling on active toothed belt 102-1, one end and the active toothed belt of toothed belt 103
102-1 is engaged, its other end is engaged with driven toothed belt wheel 102-2, under strainer (not marked in figure) effect, tooth form
Band 103 is tensioned, and servomotor 104 can drive toothed belt 103 steadily to operate.Encoder 104 can obtain servo electricity in real time
Machine rotating speed, converts through gearratio, can draw 104 real-time running speed V of toothed belt, most this running speed V informs master control at last
Computer 500.The belt system 100 that this patent is related to is not limited to exemplary tooth form conveyer belt.
The requirement of old metal sample 000 is placed in individual layer queueing form in belt system 100 at random, and arbitrary two
The distance between a adjacent old metal sample 000 cannot be less than Lmin, and (Lmin is according to the working frequency f of screening installation and conveying
Running speed v with system 100 is calculated, i.e. Lmin=v/f).
This patent gives a kind of method realized 000 individual layer of old metal sample and be lined up, and principle is as shown in Figure 3.Defeated
The top with system 100 is sent to be equipped with the different conveyer belt of several rotating speeds (being 1~conveyer belt of conveyer belt 3 in Fig. 3 examples), to
Separation degree between change old metal sample 000.The setting speed of each conveyer belt gradually increases (i.e. V1<V2<V3<V), according to useless
The overlapping degree of metal sample 000 changes the setting of corresponding each conveyer belt, makes appointing in the belt system 100 of most downstream
The distance between two neighboring old metal sample 000 of anticipating cannot be less than Lmin.Realize the method that 000 individual layer of old metal sample is lined up
It is not limited to the exemplary method of this patent.
Old metal sample 000 requires to be placed on the approximate centerline of belt system 100 as far as possible, and is being conveyed through
Cheng Zhong, it is desirable that old metal sample 000 must not roll.The feeding end of belt system 100 is equipped with feeding slideway mechanism 101,
As shown in Fig. 1,2, which uses V-groove structure, and the old metal sample 000 of different sizes (in same specification) is in V-groove
Under guiding role, approximate centerline (center line of V-groove and the belt system 100 of belt system 100 are automatically adjusted to
Center line is aligned).The angle of V-groove in the range of 120 °~150 ° to be advisable.Feeding slideway mechanism 101 and belt system
100 directions of motion there are angle theta, and can adjust within the specific limits, see Fig. 1.It can make under landing to feeding slideway mechanism 101
The initial velocity of the old metal sample 000 in portion is close to the running speed V of belt system 100, it is ensured that the stationarity of conveying.
The old metal sample 000 of different size needs to match the belt system 100 using different in width, general conveyer belt
The bandwidth of system 100 is bigger by 20~30% than maximum sample size in the specification to be advisable.
The image capturing system 200 that this patent is related to, which includes a calibrated preset field of view, (has certain visual field width L
Depending on as shown in Figure 1, 2), major function carries out sequential image acquisition to the old metal sample 000 into preset field of view, so as to
Obtain the information such as position coordinates, the size and shape of each old metal sample 000.Image capturing system 200 is containing there are one CCD
Camera 201 is placed on the surface in 100 center line somewhere of belt system, is H1 apart from 103 surface distance of tooth form, and
H1 height distances are adjustable, i.e. preset field of view scope is adjustable.A zero datum 204 is internally provided in preset field of view, is fixed on
In non-moving parts, space coordinates immobilizes.In this way, at the Image Acquisition moment each time, can obtain each in preset field of view
Space length of a old metal sample 000 apart from zero datum 204, so as to obtain the spatial position coordinate information of sample.
During in order to ensure Image Acquisition from ambient light conditions, the shape of old metal, old metal surface reflectivity etc.
Factor influences, and image capturing system 200 is also required comprising a unified, controllable illumination subsystem, mainly by 202 He of shield
Several lamp groups 203 are formed, as shown in Figure 1.Shield 202 is nontransparent material, it is therefore an objective to completely cut off the influence of external environment light, together
When interior surface be sprayed with that dumb light is pitch-dark, prevent the generation of diffusing reflection phenomenon.Lamp group 203 is evenly arranged in 202 inside upper table of shield
On face, multidirectional Uniform Illumination is realized.
The center line of 200 preset field of view of image capturing system is with the center line of 300 focused light passages of Libs systems in conveyer belt
Distance in the direction of motion (X to) is L1 (as shown in Figure 1), and usual L1 distances can adjust, and cannot be less than L1min (L1min=
0.5L regards+Lmin), it is ensured that Libs systems 300 have enough responses to the old metal sample 000 of any position in predetermined field of view
Time.
The Libs systems 300 that this patent is related to include a pulse laser light path 301, as shown in figure 4, pulse impacts work
It is completed by the light path.Pulse laser light path 301 is made of pulse laser 3011 with focusing microscope group 3012 is expanded, operation principle
It is as follows：Pulse laser 3011 sends the pulsed light beam of with certain angle of divergence, thin hot spot；Focusing microscope group 3012 is expanded to include
Beam expanding lens and focus lamp two parts, light beam is after beam expanding lens, and beam divergence angle is compressed, while spot diameter is amplified；
After light beam line focus mirror, light beam, which is focused at the space point of focus lamp outgoing side, (is assumed to be perfect optical system), passes through
Adjust spatial position of the focus lamp along optical axis, the focusing length of adjusting light beam；Pulsed laser action after focusing is in old metal
000 surface of sample forms plasma, and the atom in action of plasma region is excited, and sends spectral information.Using expanding
Mainly there are two advantages for refocusing afterwards：First, the focusing length of pulsed laser beam can be improved, facilitate engineer application；Second is that drop
Low latitude gas breakdown probability improves capacity usage ratio.
The Libs systems 300 that this patent is related to are also comprising a collection light path 302, as shown in figure 4, the collection of spectral information
Work is completed by the light path.It collects light path 302 to be made of collection microscope group 3021 and optical fiber 3022, operation principle is as follows：Deng from
Daughter is as object, and the picture through collecting microscope group 3021 is one dot of space, and size is much smaller than the core diameter of optical fiber 3022, while as end
Angular aperture need to be less than optical fiber 3022 numerical aperture (meeting optical fiber light-guiding condition), by adjusting optical fiber 3022 and plasma
The relative space position of picture improves the coupling efficiency of optical fiber, can improve spectral information capacity gauge to greatest extent.
Under normal circumstances, when the collecting direction of spectrum is consistent with the impact direction of pulse laser, collecting effect is best.This is specially
The Libs systems 300 that profit is related to use speculum 303 and dichroscope 304, complete pulse laser light path 301 with collecting light path
302 conjunction beam, while avoid the interference phenomenon of two light paths.Its principle be pulse laser light path 301 by speculum 303 and two to
After 304 double reflection of Look mirror, the downstream light path after reflection is parallel with the upstream light path before reflection, and space relative distance is L3；
Downstream light path after reflection is overlapped with collecting light path 302, after emission spectrum can be directed through dichroscope 304, by collection light path
302 complete to collect.
The Libs systems 300 that this patent is related to are also comprising a protecting window 305, as shown in figure 4, its window plane is with receiving
Collection 302 optical axis of light path hangs down direction of principal axis in α angles (generally 5 ° or so).The defencive function of protecting window 305 mainly has at following 2 points：
First, the internal light path of isolation and external environment, realize internal components and protect；Second is that protecting window 305 not with pulse laser light path
301 is vertical with collection light path 302, and after pulsed laser beam is reflected by the upper surface of protecting window 305, the light of reflection will not
It is returned along original optical path, protection is realized to internal optical device.
The Libs systems 300 that this patent is related to also comprising a spectroanalysis instrument 306, include at least a filter plate,
To eliminate the influence of two level and more than diffraction；Comprising a collimating mirror, need to be matched with the numerical aperture of optical fiber 3022；Also include
Spectro-grating and detector.The major function of spectroanalysis instrument 306 is that the spectral information for selecting wave band is acquired and analyzed,
And analysis result is uploaded to main control computer 500.At present, there is the commercial spectroanalysis instrument suitable for this patent in the market.
The protecting window 305 of Libs systems 300 is H2 (as shown in Figure 1), usual H2 apart from 103 upper surface of toothed belt distance
Height distance can adjust, and ensure the focus of pulse laser light path 301 a small distance above toothed belt 103, and focal spot height
It can adjust within the specific limits.The focus of pulse laser light path 301 is located above the center line of belt system 100 (such as simultaneously
Shown in Fig. 2), it is ensured that the validity of impact.
The sorting point of 300 focused light passages center line of Libs systems and mechanism for sorting 400 is in conveying tape motion direction (X to)
Distance is L2, its usual value can adjust, and cannot be less than L2min (L2min=Lmin), it is ensured that mechanism for sorting 400 is to each
Old metal sample 000 has enough response times.
LIBS systems 300 are worked under the operating mode accurately controlled based on sample position, i.e., according to old metal sample 000
Real-time location information, when the central point of old metal sample 000 arrives at the focusing optical axis of pulse laser light path 301, carry out
Accurate laser impact and spectral collection, realize that laser stroke time reaches the height of impact point time with old metal sample 000
Matching.The advantages of operating mode of above-mentioned LIBS systems 300 is：Laser triggers work according to the quantity of old metal sample 000,
Can be greatly improved the work efficiency of laser, and then extend the working life of laser, reduce that this patent is related to based on
The operation cost of the old metal intelligence storting apparatus of LIBS systems.
The mechanism for sorting 400 that this patent is related to is completed to sort using compressed air as working media, and operating frequency is high
(up to more than 10HZ), suitable for the little old metal sample sorting work of quality, have the advantages that sorting efficiency is high.Sorter
Structure 400 is worked under the operating mode accurately controlled based on 000 position of old metal sample, i.e., according to the reality of old metal sample 000
When location information, realize that jet time and old metal sample 000 reach the matched of sorting point time.Mechanism for sorting 400
Comprising a row or multi-row air-blowing pipeline 401 (as shown in figure 5, being illustrated as a row), the discharging end of belt system 100 is arranged in,
The width of the air-blowing pipeline 401 of entire row need to cover the width of belt system 100.
The air-blowing pipeline 401 that this patent is related to is the minimum unit blown, it is by nozzle 4011, tracheae 4012 and High-frequency machine
Tool valve 4013 is formed, and operation principle is：By source of the gas 405 it is defeated Lai compressed air by high frequency machinery valve 4013, then through gas
Pipe 4012 is blown out from gas nozzle 4011, and the compressed air of blowout is acted on the old metal sample 000 being sorted at a high speed, is changed useless
The flight path of metal sample 000.Main control computer 500 provides sorting signal to the high frequency machinery of each air-blowing pipeline 401
Valve 4013, and then control the break-make of compressed air.
The air-blowing pipeline 401 of entire row is installed in nozzle mount 402, and nozzle mount 402 can be adjusted along nozzle
Axis 403 carries out angle adjustment, and locks the relative angle of the two.Nozzle adjustment axis 403 can along X to Z-direction into row position tune
It is whole, thus the position for sorting point can be adjusted within the specific limits.
When old metal sample 000 with speed V by the discharging end of belt system 100 when, old metal sample 100 does flat throwing
Movement, horizontal initial rate V, vertical speed do uniformly accelerated motion with g, and movement locus is path 1, as shown in Figure 5.Path
2 path to change after air blowing.The mechanism for sorting 400 that this patent is related to is also comprising a sorting plate 404, its main mesh
Be that the old metal sample 000 to fly along path 1 is intercepted, without being carried out to the old metal sample 000 to fly along path 2
It intercepts, thus the old metal sample in two kinds of different paths is separated.Sort plate 404 can along X to Z-direction into row position tune
It is whole, so as to meet the different flat throwing track of initial velocity and the different sorting works sorted when putting.To the old metal to fly along path 1
Sample 000 is collected in sorting case 1, and the old metal sample 000 to fly along path 2 is collected in sorting case 2 407.
The main control computer 500 that this patent is related to provides timing control, master control for each system in sorting device and mechanism
Computer 500 includes host computer PC and slave computer PLC.The function of mainly realizing includes：The identification of sample and position tracking are touched
Hair control laser works, sample intelligent recognition, triggering control mechanism for sorting work etc..General main control computer 500 needs work
Under real time operating system, to meet the requirement of the timing control of sorting at a high speed.
The specific workflow of storting apparatus of this patent description is further illustrated below：
1. main control computer 500 controls belt system 100 at the uniform velocity to be operated with speed V, while encoder 105 obtains conveying
With the actual running speed V of system 100, and main control computer 500 is uploaded to, conveyer belt is monitored in real time by main control computer 500
The motion state of system 100.
2. manually or automatically old metal sample 000 is placed on the feeding slideway of belt system 100, old metal sample
000 slides in individual layer queueing form, and toothed belt 103 drives old metal sample 000 to be moved with speed V, passes sequentially through other subsystems
System.
3. image capturing system 200 carries out continuous sampling processing to each old metal sample 000 into preset field of view,
The image information of acquisition is uploaded to main control computer 500；
4. main control computer 500 carries out the image information of acquisition binary conversion treatment, dimension-reduction treatment, sample identification, size
Calibration, sample center point coordinate calculate；Then sample is numbered processing, establish with sample number into spectrum information, location information,
The database of dimension information, and real-time update database information.According to the motion state of database information and conveyer belt, you can know
The pulse laser light path 301 that road old metal sample 000 passes through Libs systems 300 focus on optical axis when and mechanism for sorting 400 point
Pick correct time a little.
5. when focusing optical axis of the old metal sample 000 centrally through the pulse laser light paths 301 of Libs systems 300,
Main control computer 500 is worked with triggering mode control laser pulse light path 301, is sent pulse laser beam, is impacted in old metal sample
000 center of product；It is collected simultaneously light path 302 and collects excitation spectrum, spectroanalysis instrument 306 analyzes spectral information, and will divide
Analysis result is uploaded to main control computer 500.
6. main control computer 500 carries out intelligent recognition using Net work method to old metal sample 000, old metal is determined
The classification of sample 000, to the categorical attribute of database addition sample.
7. when old metal sample 000 is reached at the sorting point of mechanism for sorting 400, main control computer 500 is with triggering mode
Mechanism for sorting 400 is controlled to carry out intelligent sorting to old metal sample 000.When being not required to reject, mechanism for sorting is passed through with flat path 1 of throwing
400, into sorting case one；When needing to reject, according to the dimension information of sample, several air-blowing pipelines 401 spray compressed air,
Airflow function is on old metal sample 000, and the flat throwing track of old metal sample 000 changes at this time, is entered with path 2 and sorted
Case two.
Claims (8)
1. a kind of old metal intelligence storting apparatus based on Libs systems, which is characterized in that including：
Belt system 100, for carrying and transferring old metal sample 000, and its running speed is controlled by main control computer 500
System；
Image for carrying out Image Acquisition to old metal sample 000, and is uploaded to main control computer by image capturing system 200
500；
Libs systems 300, for forming plasma, then plasma to 000 emission pulse laser beam of old metal sample
Emission spectrum be acquired and analyze, and the spectrum of old metal sample 000 is uploaded to main control computer 500；
Mechanism for sorting 400, the sorting path for being exported according to main control computer 500 are sorted；
Main control computer 500, for providing timing control for each system in entire sorting device and mechanism；Control conveyer belt system
It unites 100 running speeds；Control image capturing system 200 gathers 000 image of old metal sample and carries out image procossing, obtains each
Position coordinates, the size and shape of a old metal sample 000；Libs systems 300 is controlled to carry out spectrum hair to old metal sample 000
It penetrates, collect and analyze, so as to judge the classification of the old metal sample 000 and sorting path；Control mechanism for sorting 400 according to
Defined sorting path carries out sorting work.
2. a kind of old metal intelligence storting apparatus based on Libs systems according to claim 1, which is characterized in that described
Belt system 100 includes：101,2 toothed belts 102 of feeding slideway mechanism, toothed belt 103, servomotor 104, encoder
105；
The servomotor 104 is connected to through shaft coupling on active toothed belt 102-1, one end of toothed belt 103 and driving tooth
Shape belt wheel 102-1 is engaged, its other end is engaged with driven toothed belt wheel 102-2, and toothed belt 103 is tensioned, servomotor 104
Toothed belt 103 is driven steadily to operate；Encoder 105 obtains servomotor rotating speed in real time, and is reported to main control computer 500, main
Control computer 500 converts according to gearratio, draws 103 real-time running speed V of toothed belt.
3. a kind of old metal intelligence storting apparatus based on Libs systems according to claim 2, which is characterized in that described
Old metal sample 000 is placed in individual layer queueing form in belt system 100.
4. a kind of old metal intelligence storting apparatus based on Libs systems according to claim 1, which is characterized in that described
Image capturing system 200 includes：One CCD camera 201, shield 202, several lamp groups 203；The CCD camera 201 is placed on
The surface of 100 center line of belt system is H1 apart from 103 surface distance of tooth form, i.e. preset field of view scope is adjustable；Default
Visual field is internally provided with a zero datum 204, is fixed in non-moving parts, space coordinates immobilizes；Scheme each time
As the acquisition moment, space length of each old metal sample 000 apart from zero datum 204 in preset field of view can be obtained, so as to
The spatial position coordinate of sample can be obtained；
The center line of 200 preset field of view of described image acquisition system is with the center line of 300 focused light passages of Libs systems in conveyer belt
Distance in the direction of motion, that is, X-direction is L1, and cannot be less than L1min, L1min=0.5LDepending on+Lmin, LDepending onIt is being conveyed for preset field of view
Distance in tape motion direction, it is ensured that Libs systems 300 have the old metal sample 000 of any position in predetermined field of view enough
Response time.
5. a kind of old metal intelligence storting apparatus based on Libs systems according to claim 1, which is characterized in that described
Libs systems 300 include：Pulse laser light path 301 collects light path 302, speculum 303, dichroscope 304, spectroanalysis instrument
306；The speculum 303 is placed in parallel with dichroscope 304 and space relative distance is L3, and causes pulse laser light path
301st, the collecting direction of spectrum, the impact direction of pulse laser are consistent；
The pulse laser light path 301 is made of pulse laser 3011 with focusing microscope group 3012 is expanded；Pulse laser 3011
The pulsed light beam with certain angle of divergence and thin hot spot is sent, pulsed light beam successively focuses on the beam expanding lens of microscope group 3012 by expanding
With focus lamp, speculum 303, dichroscope 304, it is ultimately applied to 000 surface excitation of old metal sample and goes out spectrum；
000 surface excitation of old metal sample goes out spectrum, successively by dichroscope 304, by collection microscope group 3021 and optical fiber
3022 form collection light path 302, are finally collected by spectroanalysis instrument 306；
The spectroanalysis instrument 306 includes at least one to eliminate the influence filter plate of two level and more than diffraction, one and light
The matched collimating mirror of numerical aperture, spectro-grating and the detector of fibre 3022；Spectroanalysis instrument 306 is with then to selecting wave band
Spectral information is acquired and analyzes, and the spectrum of old metal sample 000 is uploaded to main control computer 500.
6. a kind of old metal intelligence storting apparatus based on Libs systems according to claim 5, which is characterized in that described
Libs systems 300 further include a protecting window 305, and window plane is hung down direction of principal axis in α angles with collecting 302 optical axis of light path, taken
It is worth for 5 °；For realizing protection to internal pulse laser light path 301, collection light path 302, spectroanalysis instrument 306.
7. a kind of old metal intelligence storting apparatus based on Libs systems according to claim 1, which is characterized in that described
Mechanism for sorting 400 includes：A row or multi-row air-blowing pipeline 401, nozzle mount 402, nozzle adjustment axis 403, sorting plate 404,
Source of the gas 405, sorting case 1, sorting case 2 407；
The air-blowing pipeline 401 includes nozzle 4011, tracheae 4012 and high frequency machinery valve 4013；The air-blowing pipeline 401 of entire row is equal
Both in nozzle mount 402, nozzle mount 402 can adjust axis 403 along nozzle and carry out angle adjustment, and lock
Relative angle；Nozzle adjustment axis 403 can be adjusted along X to Z-direction into row position, thus sort the position of point in a certain range
It is interior to be adjusted；
Main control computer 500 provides sorting signal to the high frequency machinery valve 4013 of each air-blowing pipeline 401, and then controls compression
The break-make of air；The compressed air of blowout is acted on the old metal sample 000 being sorted at a high speed, changes old metal sample 000
Flight path；Plate 404 is sorted to the old metal sample 000 to fly along path 1 to intercept and collect in sorting case 1,
The old metal sample 000 to fly along path 2 is collected in sorting case 2 407.
8. a kind of old metal intelligence picking method based on Libs systems, which is characterized in that comprise the following steps：
Step 1：Main control computer 500 controls belt system 100 at the uniform velocity to be operated with speed V, and main control computer 500 is according to coding
The servomotor rotating speed and gear ratio calculation of 105 real-time report of device draw 103 real-time running speed V of toothed belt, real time monitoring
The motion state of belt system 100；
Step 2：Manually or automatically old metal sample 000 is placed on the feeding slideway of belt system 100, old metal sample
000 slides in individual layer queueing form, and toothed belt 103 drives old metal sample 000 to be moved with speed V, passes sequentially through other subsystems
System；
Step 3：Image capturing system 200 carries out continuous sampling processing to each old metal sample 000 into preset field of view,
The image of acquisition is uploaded to main control computer 500；
Step 4：Main control computer 500 carries out the image information of acquisition binary conversion treatment, dimension-reduction treatment, sample identification, size
Calibration, sample center point coordinate calculate；Then sample is numbered processing, establish with sample number into spectrum information, location information,
The database of dimension information, and real-time update database information；According to the motion state of database information and conveyer belt, you can know
The pulse laser light path 301 that road old metal sample 000 passes through Libs systems 300 focus on optical axis when and mechanism for sorting 400 point
Pick correct time a little；
Step 5：When focusing optical axis of the old metal sample 000 centrally through the pulse laser light paths 301 of Libs systems 300,
Main control computer 500 is worked with triggering mode control laser pulse light path 301, is sent pulse laser beam, is impacted in old metal sample
000 center of product；It is collected simultaneously light path 302 and collects excitation spectrum, spectroanalysis instrument 306 analyzes spectral information, and will divide
Analysis result is uploaded to main control computer 500；
Step 6：Main control computer 500 is according to the spectrum of the old metal sample 000 of the output of Libs systems 300 to old metal sample
000 is identified, and determines the ingredient of old metal sample 000, to the compositional classification attribute of database addition sample；
Step 7：When old metal sample 000 is reached at the sorting point of mechanism for sorting 400, main control computer 500 is with triggering mode
Mechanism for sorting 400 is controlled to carry out intelligent sorting to old metal sample 000；When being not required to reject, mechanism for sorting is passed through with flat path 1 of throwing
400, into sorting case one；When needing to reject, according to the dimension information of sample, several air-blowing pipelines 401 spray compressed air,
Airflow function is on old metal sample 000, and the flat throwing track of old metal sample 000 changes at this time, is entered with path 2 and sorted
Case two.
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