CN206083172U - Adopt material sorting facilities of polyphaser formation of image module - Google Patents
Adopt material sorting facilities of polyphaser formation of image module Download PDFInfo
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- CN206083172U CN206083172U CN201620981158.6U CN201620981158U CN206083172U CN 206083172 U CN206083172 U CN 206083172U CN 201620981158 U CN201620981158 U CN 201620981158U CN 206083172 U CN206083172 U CN 206083172U
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Abstract
The utility model relates to an adopt material sorting facilities of polyphaser formation of image module, this adopt material sorting facilities of polyphaser formation of image module include feeding mechanism, imaging system, removing devices who sets gradually along material moving direction and the receiving arrangement who is used for receiving the material, imaging system is including setting up in the positive imaging system of material operating path and setting up in the 2nd imaging system at the material operating path back, , the material utilize imaging system to gather the image of material after breaking away from feeding mechanism, the material image that obtains passes through image processing system's processing, judge qualified material and unqualified material, then by control system control removing devices, material that will be unqualified is rejected, disallowable material falls into the 2nd receiving arrangement, certified products fall into first receiving device, realize the sorting of material. The utility model discloses can show the sorting accuracy that improves material sorting facilities, compare in the material sorting facilities of conventional art swift more high -efficiently.
Description
Technical field
The utility model is related to a kind of material separation device of employing polyphaser image-forming module.
Background technology
With extensive application of the color selector on rice and coarse cereals sorting, the color selector industry of China enters Fast Growth
Phase, manufacturer is more and more, and description is increasingly enriched, and the share shared by home equipment also increases year by year.With manufacture
Producer increases, and the function of color selector is also more and more complete, and from earliest single channel type multichannel type is developed into, from original
Gray scale sorting function develops into the functions such as colourity sorting, aberration sorting, shape choosing, and from visible ray identification infrared light, ultraviolet is developed into
Light, laser identification etc..Especially recent years, Chinese color selector industry development is more swift and violent, has been widely used in needs right
Solid particle material carries out the processing industry that color is sorted, such as grain, agricultural product, ore and plastic products processing industry.Not
Qualified products cannot be separated because granularity is sufficiently close to qualified products with screening installation, or density is essentially identical and cannot use
The detached occasion of gravity separation equipment, color selector but can be efficiently separated, and its unique effect is fairly obvious.
However, at present the color selector of main flow it is conventional be single imaging module, i.e., perpendicular to color selector each hopper
In front and back a single imaging module is respectively placed in both sides(Single imaging module is on the perpendicular bisector of hopper), former and later two single imaging modules
It is each responsible for being acquired the signal on two sides before and after material.But there are some inherent shortcomings in this imaging mode:It can only
Before and after collection material, can there is vision dead zone, so as to cause the loss of the partial information of material in a part of signal on two sides.Example
Such as, for spherical material, when being acquired to its surface signal with one camera image-forming module, it is assumed that surface of material normal and thing
Angle between material camera line is β, then when β is less, i.e., the resolution ratio facing to the part surface of material of camera is
Compare high, its imaging clearly reliability, when β is larger, i.e., the resolution ratio of the non-part surface of material facing to camera is
Than relatively low, its imaging is relatively obscured, when β it is very big(Such as β is close 90 °)When, resolution ratio is very low, and camera cannot be effective
The signal that identification is collected.Therefore one camera image-forming module can only effectively gather the signal in globular material spherical crown surface, in front and back
Two single imaging modules can only effectively gather the signal in former and later two spherical crown surfaces of spherical material, but the two spherical crown surfaces
Can thus there are some vision dead zones less than the area of whole ball surface in area sum.In the same manner, common other in color selector
Some granular materials, more or less can all there are some vision dead zones.Due to the presence of such some blind areas, may result in
The leakage choosing of some materials, such as reject mouldy iblet from normal iblet, because mildew is smaller, and mildew can be distributed
In each place on corn surface, when mildew is distributed in blind area, camera will not collect mildew signal, so as to be taken as
Normal iblet and retain, cause leakage choosing, reduce precision of color separation.
Utility model content
Drawbacks described above under in order to overcome prior art, the purpose of this utility model be provide it is a kind of using polyphaser into
As the material separation device of module, the defect of the material separation device under prior art is solved by rational structure design,
The sorting degree of accuracy is higher, more safe and reliable.
The technical solution of the utility model is:A kind of material separation device of employing polyphaser image-forming module, including successively
The feed mechanism of setting, imaging system, device for eliminating and the reception device for receiving material, the imaging system include for
First imaging system and the second imaging system for the collection of material stream back side image of material stream direct picture collection, described the
One imaging system is provided with the multiple camera imaging modules on material operating path frontal, and second imaging system sets
There are the multiple camera imaging modules on the direction of the material operating path back side, multiple camera imaging modules of same imaging system
It is arranged in parallel up and down or left and right be arranged in parallel.
Preferably, the material separation device of the employing polyphaser image-forming module is additionally provided with illuminator, the illumination system
System includes the first illuminator being arranged on material operating path frontal and is arranged at material operating path back side direction
On the second illuminator.
Preferably, first illuminator and the second illuminator adopt infrared light, ultraviolet light or visible light source.
Preferably, the feed mechanism includes feeding vibrator and is arranged at the material conveying of the feeding vibrator end
There is default angle in groove, the material delivery chute, the feed end of the material delivery chute goes out higher than it with the feeding vibrator
Material end.
Preferably, the material delivery chute is provided with the resilient cover plate of tool or cover plate.
Preferably, the device for eliminating is pneumatic actuator or mechanical actuating mechanism, and the pneumatic actuator is provided with
High voltagehigh frequency air-operated solenoid valve.
Preferably, the reception device includes first receiving device for receiving qualified material and unqualified for receiving
Second reception device of material, the opening of the first receiving device is arranged at the natural drop point of material, and described second receives
The opening of device is arranged at the rejecting direction of the device for eliminating.
Preferably, the camera imaging module includes camera lens and is arranged at the circuit board at the camera lens rear, the circuit
Plate is connected with CCD chip, and between the CCD chip and the camera lens spacing is provided with.
Preferably, the material separation device of the employing polyphaser image-forming module is additionally provided with the image procossing system being connected by communication
System and control system, described image processing system connects the imaging system, and the control system connects the device for eliminating.
Preferably, the material separation device of the employing polyphaser image-forming module is additionally provided with air draft mechanism.
The beneficial effects of the utility model are:
The utility model increases by one on the basis of one camera image-forming module in the left side of one camera image-forming module or right side
Individual or multiple camera imaging modules;Or increase one or more camera imagings above or below one camera image-forming module
Module, or even increasingly complex, can be on the upside of existing one camera image-forming module either downside either left side or right side
One or more camera imaging module is added, so as to increase the resolution ratio and investigative range of material both sides so that color selector
The surface of material information of acquisition is more comprehensive, reduces vision dead zone, improves precision of color separation.
The utility model simple structure, it is practical and convenient, the efficiency of separation of material separation device can be significantly improved, compared to
The material separation device of conventional art more quickness and high efficiency.
Description of the drawings
Fig. 1 is a kind of structural representation of specific embodiment of the utility model;
Fig. 2 is the structural representation of the utility model another kind specific embodiment;
Fig. 3 is the structural representation of the utility model single camera image-forming module;
Fig. 4 is analysis principle figure of the present utility model;
Fig. 5 is the imaging analysis figure under a kind of specific embodiment of the present utility model.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings.
Referring to Fig. 1-3, the utility model provides a kind of material separation device of employing polyphaser image-forming module, including edge
Feed mechanism, imaging system, device for eliminating 5 and the reception device for receiving material that material moving direction sets gradually, institute
Feed mechanism is stated including feeding vibrator 1 and the material delivery chute 2 of the feeding vibrator end is arranged at, the material conveying
There is default angle in groove so that the feed end of the material delivery chute is higher than discharge end, to thing to be checked with the feeding vibrator
Material provides a passage for accelerating to glide, material is uniformly defeated to the material delivery chute under the vibration of the feeding vibrator
Send, the generally material delivery chute is provided with elastic cover plate so that material is limited in conveying in a plane, and can be in gravity
In the presence of accelerate to specific speed so that material to be checked to depart from and form uniform and nonoverlapping material after material delivery chute
Stream;
The imaging system includes being arranged at positive first imaging system of material operating path and being arranged at material running
Second imaging system at the path back side, first imaging system and the second imaging system include multiple camera imaging modules,
Multiple camera imaging module parallels of same imaging system or not parallel setting, the imaging system is used to receive surface of material letter
Cease and be sent to image processing system and control system;
The material separation device of the employing polyphaser image-forming module is additionally provided with illuminator, and the illuminator includes setting
It is placed in positive first illuminator 3.1 of material operating path and is arranged at second illuminator at the material operating path back side
3.2, two illuminators are respectively aligned to the point location in front and back of material with uniform illumination material;
The device for eliminating is pneumatic actuator or mechanical actuating mechanism, and the pneumatic actuator is provided with high voltagehigh frequency
Air-operated solenoid valve;The reception device includes the first receiving device 6.1 for receiving qualified material and unqualified for receiving
Second reception device 6.2 of material, the opening of the first receiving device is arranged at the natural drop point of material, and described second connects
The opening of receiving apparatus is arranged at the rejecting direction of the device for eliminating.
The camera imaging module includes camera lens 7 and is arranged at the circuit board 9 at the camera lens rear, and the circuit board connects
There is CCD chip 8, spacing is provided between the CCD chip and the camera lens, wherein camera lens is used to receive material surface information, and
Focus in the CCD chip, the material information that the CCD chip and circuit board come lens focus carries out photoelectric conversion,
And send image procossing and control system to.
The material separation device of the employing polyphaser image-forming module is additionally provided with the image processing system and control being connected by communication
System processed, described image processing system connects the imaging system, and the control system connects the device for eliminating.
The air draft mechanism includes being arranged on the exhausting motor beside material separation device;It is connected with the exhausting motor
Air channel house steward;One end is connected with the air channel house steward, and the other end is connected with the suction opeing being arranged on above material delivery chute
The air channel for connecing is in charge of, and the air channel is in charge of the one end being connected with the air channel house steward and is provided with air-quantity adjusting valve, described to take out
Wind mechanism can take the dust in the observation area of screening installation away, it is to avoid dust is stopped and accumulated and cause can not in the region
Correctly see material or the material distortion seen.
As shown in figure 1, as a kind of embodiment of the present utility model, multiple camera imaging modules of same imaging system
Left and right be arranged in parallel, and the first imaging system includes one camera image-forming module 4.1a and another one camera image-forming module 4.1b, the
Two imaging systems are included in one camera image-forming module 4.2a and another one camera image-forming module 4.2b, one camera image-forming module
4.1a, 4.1b are placed in parallel, and 4.2a, 4.2b are placed in parallel.
Be specifically described below in the present embodiment increases a camera imaging module so as to improve point on left and right horizontal direction
The principle of resolution.
As shown in figure 4, material is in the watching focus of camera, it is assumed that material is circle, and its radius is R, in camera lens and material
The angle of heart line and material radius is β, and the vertical range of camera lens to material center is μ(Object distance), camera lens is vertical to CCD faces
Distance is ν(Image distance).A small bin AC is now taken in surface of material, the bin is to the angle that material center is opened, the bin is α with the angle of material radius, in triangle OAB, can be obtained using geological theorems:
Because the size of material is generally no greater than 10mm, and the object image distance of color selector is in hundreds of millimeter, the size phase of material
For object image distance very little, therefore material size can approximately be interpreted as a point, therefore when the image magnifying power of color selector is considered, can
Think that object distance is a constant, image magnifying power is also a constant.Therefore A, B two on material can be derived by geometrical relationship
The image point position of point, such that it is able to obtain small bin by the relativeness between themPicture size:
With reference to the concrete structure and the size of material of color selector, it is assumed that the radius R=5mm of material, object distance μ=580mm, image distance
V=55mm, bin is taken in surface of material is=1 °, camera is put on two following positions:One camera is in material
Front, now β=0 °;Another camera is put in front of the side of material, and it, at a distance of 314/2=157mm, is passed through with first camera
Now β=13.9 ° are calculated, two cameras are placed in parallel.In the range of 90 °≤α≤90 °, two cameras are directed to bin=1°
The size of imaging is as shown in Figure 5.
Can obtain from analysis above, the material that camera immediately ahead of material is seen is symmetrical, in the middle of material
Resolution ratio highest, two ends are gradually lowered,=- 90 ° and 90 ° of two positions on resolution ratio be reduced to 0;That in front of material side
The material that camera is seen is asymmetrical, and that what is seen on the left of material is more, and it is less that right side is seen, on=13.9 ° of position
Resolution ratio highest,=- 76.6 ° and 103.4 ° of two positions on resolution ratio be 0, illustrate to be added in front of material side another
The resolution ratio and investigative range on the left of material is improved after individual camera imaging module, more surface of material signals can be provided, subtracted
Little vision dead zone.
In the same manner, we can add another camera imaging module to improve thing on the right side of original one camera image-forming module
Resolution ratio and investigative range on the right side of material.
As shown in Fig. 2 as another embodiment of the present utility model, can be in the upside of former one camera image-forming module
Either downside adds another camera imaging module to improve the resolution ratio and investigative range of material upside or downside, such as in list
An one camera image-forming module 4.1c is added below camera imaging module 4.1a, in the lower section of one camera image-forming module 4.2a
An one camera image-forming module 4.2c is added, one camera image-forming module 4.1a, 4.1c are placed up and down, transferred on 4.2a, 4.2c
Put, so as to change the resolution ratio of material above-below direction, improve sharpness of separation.
The process that the material separation device carries out material sorting is as follows:
Transport material on feeding vibrator, feeding vibrator is of reciprocating vibration by forward upward, and material is continuous
Ground forward upward is dished out, fallen so that material constantly travels forward, and is gradually uniformly dispersed, and eventually enters into material conveying
Groove;Material, by Action of Gravity Field, is ramped up downwards along material delivery chute and moved in smooth material delivery chute, reaches material
During delivery chute end, speed increase to a certain extent, generally in the scope of 1-5m/s, for the hopper of length-specific, same class
The speed of material is basically identical, and because material speed increases the material for causing to be stacked on feeding vibrator in material delivery chute
End substantially do not overlap, and in monolayer distribution state, and certain gap is there is between material;Expect when material departs from
Behind groove end, illumination before and after being carried out using the first illuminator and the second illuminator, then using first camera imaging system
With the image that second camera imaging system gathers material, the process that the material image for obtaining passes through image processing system judges
Qualified material and unqualified material, then control device for eliminating by control system, underproof material are rejected, disallowable thing
Material falls into the second reception device, and certified products fall into first receiving device, are achieved in the sorting of material.
As another embodiment of the present utility model, horizontal rib or crude can be provided with the end of the material delivery chute
Face so that circular material carries out flip-flop movement when skidding off from the material delivery chute, so that imaging system is transported in material
The one side of line direction can collect the image of material different surfaces by continuously taking pictures, and finally complete to whole material whole
The IMAQ of surface area, and there is no any blind spot, it is to avoid in material operation both sides be respectively provided with illuminator and imaging system
System, not only simplify the internal structure of whole equipment, and reduce equipment manufacturing cost, energy saving.
Meanwhile, as other embodiment of the present utility model, the first imaging system of the imaging system and the second one-tenth
As the different point location of system alignment, such as the point location of the second imaging system less than the first imaging system point location it
Afterwards, and after the first imaging system and the second imaging system device for eliminating is equipped with, first by the first imaging system when equipment works
IMAQ and image procossing are carried out, is then picked substandard product by the first device for eliminating being arranged at after the first imaging system
Remove, then secondary rejecting is carried out by the second imaging system and the second device for eliminating, reduce the transient data of image processing system
Treating capacity, improves the speed of service and sorting accuracy of equipment.
Disclosed in the utility model it is each preferably with optional technological means, unless otherwise indicated and a preferred or optional skill
Art means are outside the further restriction of another technological means, can to form some different technical schemes in any combination.
Claims (10)
1. a kind of material separation device of employing polyphaser image-forming module, it is characterised in that including the feed mechanism for setting gradually,
Imaging system, device for eliminating and the reception device for receiving material, the imaging system is included for material stream direct picture
First imaging system of collection and the second imaging system for the collection of material stream back side image, first imaging system is provided with
Multiple camera imaging modules on material operating path frontal, second imaging system is provided with positioned at material operation
Multiple camera imaging modules on the direction of the path back side, multiple camera imaging modules of same imaging system be arranged in parallel up and down or
Left and right be arranged in parallel.
2. as claimed in claim 1 using the material separation device of polyphaser image-forming module, it is characterised in that be additionally provided with illumination
System, the illuminator includes the first illuminator being arranged on material operating path frontal and is arranged at material fortune
The second illuminator on the back side direction of walking along the street footpath.
3. as claimed in claim 2 using the material separation device of polyphaser image-forming module, it is characterised in that described first shines
Bright system and the second illuminator adopt infrared light, ultraviolet light or visible light source.
4. as claimed in claim 3 using the material separation device of polyphaser image-forming module, it is characterised in that the feeder
Structure includes feeding vibrator and is arranged at the material delivery chute of the feeding vibrator end, and the material delivery chute send with described
There is default angle in material vibrator, the feed end of the material delivery chute is higher than its discharge end.
5. as claimed in claim 4 using the material separation device of polyphaser image-forming module, it is characterised in that the material is defeated
Groove is sent to be provided with the resilient cover plate of tool or cover plate.
6. as claimed in claim 5 using the material separation device of polyphaser image-forming module, it is characterised in that the rejecting dress
Pneumatic actuator or mechanical actuating mechanism are set to, the pneumatic actuator is provided with high voltagehigh frequency air-operated solenoid valve.
7. as claimed in claim 6 using the material separation device of polyphaser image-forming module, it is characterised in that the reception dress
Put including for receiving the first receiving device and the second reception device for receiving unqualified material of qualified material, described
The opening of one reception device is arranged at the natural drop point of material, and the opening of second reception device is arranged at described rejecting and fills
The rejecting direction put.
8. the material separation device using polyphaser image-forming module as claimed in claim 7, it is characterised in that the camera into
As module includes camera lens and is arranged at the circuit board at the camera lens rear, the circuit board is connected with CCD chip, the CCD cores
Spacing is provided between piece and the camera lens.
9. as claimed in claim 8 using the material separation device of polyphaser image-forming module, it is characterised in that be additionally provided with communication
Connected image processing system and control system, described image processing system connects the imaging system, and the control system connects
Connect the device for eliminating.
10. as claimed in claim 9 using the material separation device of polyphaser image-forming module, it is characterised in that be additionally provided with exhausting
Mechanism.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108340509A (en) * | 2018-02-11 | 2018-07-31 | 合肥美亚光电技术股份有限公司 | Material separation system and material method for separating |
CN114749393A (en) * | 2022-05-18 | 2022-07-15 | 安徽唯嵩光电科技有限公司 | Dual-camera material identification unit, identification system and color selector |
-
2016
- 2016-08-30 CN CN201620981158.6U patent/CN206083172U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108340509A (en) * | 2018-02-11 | 2018-07-31 | 合肥美亚光电技术股份有限公司 | Material separation system and material method for separating |
CN114749393A (en) * | 2022-05-18 | 2022-07-15 | 安徽唯嵩光电科技有限公司 | Dual-camera material identification unit, identification system and color selector |
CN114749393B (en) * | 2022-05-18 | 2024-01-19 | 安徽唯嵩光电科技有限公司 | Dual-camera material identification unit, identification system and color sorter |
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Address after: 230000 No. 66, Yulan Avenue, Taohua Industrial Park Development Zone, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Hefei Taihe Intelligent Technology Group Co.,Ltd. Address before: 230161 intersection of Fangxing Avenue and Yulan Avenue, Taohua Industrial Park Development Zone, Hefei Economic and Technological Development Zone, Anhui Province Patentee before: HEFEI TAIHE OPTOELECTRONIC TECHNOLOGY Co.,Ltd. |
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