CN202186541U - Quantitative grain counting device - Google Patents
Quantitative grain counting device Download PDFInfo
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- CN202186541U CN202186541U CN2011202725248U CN201120272524U CN202186541U CN 202186541 U CN202186541 U CN 202186541U CN 2011202725248 U CN2011202725248 U CN 2011202725248U CN 201120272524 U CN201120272524 U CN 201120272524U CN 202186541 U CN202186541 U CN 202186541U
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- conveyer
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Abstract
The utility model discloses a quantitative grain counting device, which comprises a control system, a feeder, a conveyor, a camera, at least one memory hopper and a collector. The control system consists of an image processor, a combination calculating processor and a PLC (programmable logic controller), materials are distributed and fed to the conveyor by the feeder, the memory hoppers are arranged below the conveyor according to layers, the camera and the image processor carry out image data acquisition and analytical grain counting for materials on the conveyor and transmit the materials to the corresponding memory hoppers, the numbers of grains of the materials correspond to those of the memory hoppers, the quantities of the materials in all the memory hoppers are combined and calculated by the combination calculating processor and is compared with a preset target grain quantity, a memory hopper combination with the grain quantity closes to the target grain quantity within a tolerance deviation range, and the materials in the selected memory hopper are discharged out. CCD (charge coupled device) grain counting technology for batches with incontrollable grain quantities is successfully combined with combination calculation technology, and quantitative grain counting precision and speed can be greatly increased.
Description
Technical field
The utility model relates to a kind of counting grain machine, specifically belongs to quantitative several the devices that an a kind of CCD number technology and combination technique combine.
Background technology
Counting grain machine is a kind of counting assembly; Usually to granular articles such as food, medicine, seed, electronic devices and components, plastic parts, metal partss; Packing demand number according to setting the grain number goes out corresponding packed article, and this equipment is widely used in every field such as production, commerce.For realizing with the amounts of particles being that the quantitative package (like 100 pills, 1000 seeds etc.) of unit can be taked several methods, volumetry, weight method.
Several methods are the most direct method, and are the most accurate, but speed is the slowest, investment is maximum.
Several traditional equipment adopt the infrared ray sensing mode; This is a kind of consecutive numbers grain method; When material passed through the infrared ray curtain, infradred sensor can send the ON/OFF signal, and an ON/OFF signal is just represented a material; Through the ON/OFF signal is counted, when reaching setting quantity, can stop feed immediately.The advantage of this equipment is that quantitative several precision is higher; It is slow that but weak point is speed; And a material can only be arranged at every turn through the infrared ray curtain, even otherwise two above materials are arranged simultaneously through also only sending an ON/OFF signal, cause last count results inaccurate; Especially under single Material Cost condition with higher, can cause manufacturer's greater loss.
In recent years, along with the development of the technological universal and corresponding components and parts of CCD (Charge Coupled Device, charge-coupled device), the counting grain machine that technological development is come out by CCD is also progressively applied on market.CCD is a kind of semiconductor devices, can be converted into digital electric signal to optical image, and the CCD device is divided into two types of line array CCD and area array CCDs by the arrangement mode of its photosensitive unit.Wherein, line array CCD adopts the mode of scanning imagery, and area array CCD adopts the mode of shooting, obtains the image of material respectively, through image recognition software material is carried out several then.Linear CCD technology also is a kind of consecutive numbers grain method, can count the material on a plurality of passages simultaneously, and when near setting quantity, most of passages that stop only stay a passage feed, reaches to stop feed when setting quantity.With the infrared pickoff compared with techniques, the cost of this equipment is higher, precision is lower slightly, and speed improves a lot, but still is much slower than weight method.And area array CCD technique is an a kind of batch of number method, can make a video recording to the material that gets into image pickup scope, through image recognition technology the material in the imaging scope is counted again.This equipment can obtain the grain number of each batch apace, but because the grain number of each batch is uncontrollable, so the grain number that can't obtain setting.
Volumetry is a kind of method of substitution, and speed is fast, reduced investment, but least accurate.
Weight method also is a kind of method of substitution, if single weight of material has good uniformity, when using it for quantitative several, can access higher quantitative accuracy and discharge velocity faster, and equipment price is cheap.But the single weight homogeneity of many materials differs greatly in the practical operation, such as corn seed is because different its single weight of moisture what, grain size difference, shape possibly differ one times, plastic parts because moisture content change, shape error, different its single weight of material density also possibly differ 20%.When such material used weighing technology number, precision will reduce greatly.
The utility model content
The technical matters that the utility model will solve provides a kind of quantitative several devices, can carry out high speed quantitative counting accurately to the identical or different material of single weight.
For solving the problems of the technologies described above, quantitative several the devices of the utility model comprise control system, feeder, conveyer, camera, memory bucket and loading head, and wherein feeder, conveyer, camera and memory bucket all are electrically connected with control system; Said control system comprises image processor, combination calculation treater and PLC; Said conveyer is more than two; Adopt step wise or oscillatory type to drive; Feeder is positioned at the top of conveyer, and the below of conveyer is provided with one deck memory bucket at least by layer, and the discharge end of every conveyer is relative with a top layer memory bucket inlet point that is positioned at its below respectively; Each memory bucket of top layer and interlayer is respectively equipped with two side discharging openings; A side discharging opening is relative with the inlet point of following one deck memory bucket, and the inlet point of another side discharging opening and loading head is relative, and the memory bucket of bottom is provided with and the corresponding discharging opening of loading head inlet point.
In said structure, said camera is area array CCD camera or line array CCD camera, be responsible for to gather the graphicinformation of each batch material on the conveyer, and graphicinformation is sent to image processor draws corresponding batch material grain number.Perhaps, said camera is face battle array CMOS camera or linear array CMOS camera, be responsible for to gather the graphicinformation of each batch material on the conveyer, and graphicinformation is sent to image processor draws corresponding batch material grain number.
Further; Said conveyer moves to each batch material of known grain number respectively in the corresponding top layer memory bucket; By top layer memory bucket material is successively moved to lower floor's memory bucket again; The grain number information of each batch material is along with the mobile route transmission of material, and corresponding with the memory bucket of last storage material.
Further, said feeder is the vibra feeder that links to each other with feed bin, and vibra feeder is provided with inlet, and is electrically connected with control system, and the switching of the amplitude of said vibra feeder, oscillation frequency, inlet is controlled by control system.
Further, said conveyer also comprises makes the material individual layer be laid on the height adjustment baffle plate on the conveyer, and by the intermittently mobile step drive device of control system controlling and driving conveyer, said height adjustment baffle plate is positioned at the top of conveyer.
Further, said conveyer comprises that also the vibration of control conveyer makes the material individual layer be laid on the vibrator on the conveyer.
Further, said conveyer is moved ahead by the step wise driving device controls that is electrically connected with control system.
The utility model adopts a batch number mode, goes out the material grain number on the conveyer with linear array or area array CCD camera combining image treater number, is temporary in the memory bucket, passes through combination calculation then, selects suitable memory bucket, obtains the number near setting value; The form that adopts CCD number and memory bucket combination calculation to combine, quantitative several precision and the speed of discharge obviously are superior to having now several equipment.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further detailed explanation:
Fig. 1 is a perspective view of the present invention;
Fig. 2 is a device scheme drawing of the present invention;
Fig. 3 is a control system composition diagram of the present invention.
Wherein description of reference numerals is following:
1 is feed bin; 2 is feeder; 3 is conveyer; 4 is camera; 5 are the memory bucket; 6 is loading head; 7 is image processor; 8 is the combination calculation treater; 9 is PLC.
The specific embodiment
Quantitative several the devices of the utility model comprise control system, feeder 2, conveyer 3, camera 4, memory bucket 5 and loading head 6, and wherein feeder 2, conveyer 3, camera 4 and memory bucket 5 all are electrically connected with control system; Said control system comprises image processor 7, combination calculation treater 8 and PLC9, like Fig. 2, shown in 3.Said conveyer 3 is more than two; Adopt step wise or oscillatory type to drive; Feeder 2 is positioned at the top of conveyer 3, and the below of conveyer 3 is provided with one deck memory bucket 5 at least by layer, and the discharge end of every conveyer 3 is relative with top layer memory bucket 5 inlet points that are positioned at its below respectively; Each memory bucket 5 of top layer and interlayer is respectively equipped with two side discharging openings; A side discharging opening is relative with the inlet point of following one deck memory bucket 5, and the inlet point of another side discharging opening and loading head 6 is relative, and the memory bucket 5 of bottom is provided with and the corresponding discharging opening of loading head 6 inlet points.
Said feeder 2 connects feed bin 1, is used for disperseing feed to conveyer 3.After conveyer 3 was discharged material, the control system output command made feeder 2 to conveyer 3 feeds.Feeder 2 is generally the vibra feeder that links to each other with feed bin 1, and vibra feeder is provided with inlet, and is electrically connected with control system, and the switching of the amplitude of said vibra feeder, oscillation frequency, inlet is controlled by control system.Also can use belt-type or other modes such as Vibration Storage bin, spiral according to material characteristic.
Said conveyer 3 is provided with 4 to 40 as required, and every conveyer 3 all has corresponding numbers in control system.
When using area array CCD shooting mode, conveyer 3 can be arranged in circle, linear or polygon.The distance that conveyer 3 can be advanced forward at every turn and set, its actuating device can be stepping motor, servomotor, alternating current dynamo, DC machine, cylinder or hydraulic actuating cylinder.Overlapping in order to prevent material, influence several precision, conveyer 3 tops are provided with the height adjustment baffle plate, make overlapping material to pass through.Conveyer 3 also is equipped with oscillatory system, prevents that through vibration material is overlapping.
When using line array CCD shooting mode, conveyer 3 has vibrator.Conveyer 3 can be arranged in circle, linear.When conveyer 3 adopted vibrator to drive, its Oscillation Amplitude, vibration intensity, time of vibration can be set by control system.
Said camera 4 is made up of camera lens, CCD photoelectric commutator and fuselage, and it is responsible for absorbing the material image on the conveyer 3, and is sent to image processor 7.For obtaining photographic effect clearly, dispose appropriate illumination, be installed in the correct position of equipment.
The below of conveyer 3 is provided with one deck memory bucket 5 at least by layer; The discharge end of every conveyer 3 is relative with a top layer memory bucket inlet point that is positioned at its below respectively; Top layer memory bucket is accepted the material that conveyer is discharged; After receiving the discharge instruction of control system, the material in the bucket is expelled to down one deck memory bucket 5 or loading head 6.Memory bucket 5 hierarchal arrangement are generally 1~5 layer, and material is entered by conveyer 3 or upper strata memory bucket, is expelled to down one deck memory bucket or loading head 6.Through selected memory bucket 5 direct discharge to the loading heads 6 of combination calculation, after lower floor's memory bucket was drained, upper strata memory bucket or conveyer discharge replenished, and so move in circles.Each memory bucket of top layer and interlayer is respectively equipped with two side discharging openings; A side discharging opening is relative with the inlet point of following one deck memory bucket; The inlet point of another side discharging opening and loading head is relative, and the memory bucket of bottom is provided with and the corresponding discharging opening of loading head inlet point.Memory bucket discharging opening door can have spring, also can not have spring.The discharging opening door can adopt cylinder, stepper motor, servo motor driven.
Loading head 6 can be that hopper also can be set belt or other material-gathering devices, and the material by conveyer 3 is discharged enters in follow-up wrapping machine or other equipment through loading head 6.
Combination calculation treater 8 comprises memory device and combination calculation unit.The grain logarithmic data of each conveyer 3 of memory storage and memory bucket 5.Material grain number on the conveyer 3 that is transmitted by image identification unit is stored in the cooresponding memory device.When material drained into lower floor's memory bucket 5, the grain logarithmic data of memory storage also correspondingly was transferred to down the corresponding memory bucket 5 of one deck, by that analogy.The combination calculation unit carries out combination calculation to each memory bucket 5 of known grain number with conveyer 3, at C
n 1+ C
n 2+ C
n 3++ C
n nIn kind of the combined result, with the target grain number of setting relatively, select near setting value and meet the combination of deviation standard.
PLC9 is the core component of control system, and the action of control feeder 2, camera 4, conveyer 3, memory bucket 5, loading head 6 makes the total system interlock.
In the present embodiment, as shown in Figure 1, the feeder on top is a vibra feeder, is provided with 6 conveyers 3, and every conveyer 3 has two-layer memory bucket 5 up and down, and every layer is provided with 6 memory buckets 5, has 12 memory buckets 5.6 conveyers 3 are arranged in a linear, and use two table top battle array ccd video cameras 4, every pick up camera 4 corresponding 3 conveyers 3.Every conveyer 3 all has corresponding numbering with each memory bucket 5 in control system.
When not having material on the conveyer 3, vibra feeder is received the instruction of control system, opens inlet, and simultaneously conveyer 3 is according to the setting certain distance that moves ahead, and vibra feeder disperses feeds to conveyer 3.Pick up camera 4 is installed in the correct position of conveyer 3 tops, and disposes appropriate illumination, and the material that remains static on the conveyer 3 is at least once made a video recording, and simultaneously the view data that obtains is sent to image processor 7.7 pairs of view data of image processor are handled, and analyze the material grain number on each conveyer 3.If upper strata memory bucket 5 be empty, control system is sent instruction to step drive device, and the conveyer 3 one section setpoint distance that continues to move ahead makes the material on the conveyer 3 enter bottom memory bucket 5, and the grain number of material is stored to this memory and struggles against in 5 cooresponding memory devices simultaneously.If lower floor's memory bucket 5 is empty; Control system is sent the discharge instruction to upper strata memory bucket 5; Upper strata memory bucket 5 is opened and the corresponding side discharging opening of lower floor's memory bucket 5 inlet points; Material in the memory bucket 5 is drained into lower floor's memory bucket 5, at this moment, be stored in material grain number in the upper strata memory bucket 5 pairing memory devices and shift and be stored in lower floor's memory bucket 5 corresponding memory devices.Be preset with target grain number and allowance deviation in the combination calculation treater 8; After reading the material grain number of each memory bucket 5 in the memory device; According to the permutation and combination principle number being carried out in all combinations calculates; Compare simultaneously, select in the allowance deviation scope and make up near the memory bucket 5 of target grain number with target grain number and allowance deviation.Control system is opened the discharging opening of selected memory bucket 5 according to the memory bucket combined information that combination calculation treater 8 obtains, and wherein material is drained in the loading head 6.
Whole feed, several, combination calculation, discharge process back and forth carry out under the control of control system.
In addition, conveyer can be discharge once to upper strata memory bucket, upper strata memory bucket to the discharge action of lower floor's memory bucket, also can be the several discharge.Gather the view data of material if use linear array CCD camera; Conveyer is received instruction discharge in the memory bucket of control system; Linear array CCD camera is made a video recording continuously when material is in the falling bodies process; Image data transmission to the image identification unit that obtains is analyzed the grain number, and is stored in the memory device of corresponding memory bucket.Above-mentioned ccd video camera also can substitute with cmos camera.
In the above-described embodiments; Have 12 memory buckets; According to the permutation and combination principle, a kind grain array is closed to have
at most.Can adjust the grain number of each batch blanking through the miles of relative movement of amplitude, frequency and conveyer of control and regulation vibra feeder, thereby improve the success ratio of combination.
In the legacy equipment, the precision of simple weighing-appliance is 2%, speed is 320000/minute; The precision of a simple line array CCD number equipment is 0.1%, its speed of 1 be about 1000/inferior, 5 times/minute, promptly 5000/minute,, then be 30000/minute if use 6.And quantitative several the devices of the utility model; Precision is much higher than weight method and volumetry, and the precision of batch number is 0.1%, and it is in the majority that 3~5 memory buckets are chosen in combination usually; Therefore quantitative several the precision in final combination back are 0.3%~0.5%; And the speed of discharge is much higher than existing several methods, and discharge velocity can reach 30~60 times/minute, and several can reach 240000~480000/minute.
More than through specific embodiment the utility model has been carried out detailed explanation, this embodiment only is the preferred embodiment of the utility model, it is not that the utility model is limited.Under the situation that does not break away from the utility model principle; Equivalent replacement and improvement that those skilled in the art makes the number of plies, number and layout type, the marker method etc. of the quantity of conveyer and mounting means, memory bucket all should be regarded as in the technological category that the utility model is protected.
Claims (9)
1. quantitative several devices, it is characterized in that: comprise control system, feeder, conveyer, camera, memory bucket and loading head, wherein feeder, conveyer, camera and memory bucket all are electrically connected with control system; Said control system comprises image processor, combination calculation treater and PLC; Said conveyer is more than two; Adopt step wise or oscillatory type to drive; Feeder is positioned at the top of conveyer, and the below of conveyer is provided with one deck memory bucket at least by layer, and the discharge end of every conveyer is relative with a top layer memory bucket inlet point that is positioned at its below respectively; Each memory bucket of top layer and interlayer is respectively equipped with two side discharging openings; A side discharging opening is relative with the inlet point of following one deck memory bucket, and the inlet point of another side discharging opening and loading head is relative, and the memory bucket of bottom is provided with and the corresponding discharging opening of loading head inlet point.
2. quantitative several devices according to claim 1; It is characterized in that: said camera is area array CCD camera or line array CCD camera; Be responsible for to gather the graphicinformation of each batch material on the conveyer, and graphicinformation is sent to image processor draws corresponding batch material grain number.
3. quantitative several devices according to claim 1; It is characterized in that: said camera is face battle array CMOS camera or linear array CMOS camera; Be responsible for to gather the graphicinformation of each batch material on the conveyer, and graphicinformation is sent to image processor draws corresponding batch material grain number.
4. quantitative several devices according to claim 1; It is characterized in that: said conveyer moves to each batch material of known grain number respectively in the corresponding top layer memory bucket; By top layer memory bucket material is successively moved to lower floor's memory bucket again; The grain number information of each batch material is along with the mobile route transmission of material, and corresponding with the memory bucket of last storage material.
5. quantitative several devices according to claim 1; It is characterized in that: the vibra feeder of said feeder for linking to each other with feed bin; Vibra feeder is provided with inlet; And be electrically connected with control system, the switching of the amplitude of said vibra feeder, oscillation frequency, inlet is controlled by control system.
6. quantitative several devices according to claim 1; It is characterized in that: said conveyer also comprises makes the material individual layer be laid on the height adjustment baffle plate on the conveyer; And by the intermittently mobile step drive device of control system controlling and driving conveyer, said height adjustment baffle plate is positioned at the top of conveyer.
7. according to quantitative several the devices shown in the claim 1, it is characterized in that: said conveyer comprises that also the vibration of control conveyer makes the material individual layer be laid on the vibrator on the conveyer.
8. quantitative several devices according to claim 1 is characterized in that: said conveyer is moved ahead by the step wise driving device controls that is electrically connected with control system.
9. quantitative several devices according to claim 1 is characterized in that: the discharging opening of said memory bucket is provided with the discharging opening door by cylinder or stepper motor or servo motor driven.
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CN2011202725248U CN202186541U (en) | 2011-07-29 | 2011-07-29 | Quantitative grain counting device |
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CN2011202725248U CN202186541U (en) | 2011-07-29 | 2011-07-29 | Quantitative grain counting device |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102390578A (en) * | 2011-07-29 | 2012-03-28 | 上海朝洋机电设备有限公司 | Realizing method for quantitative grain counting and device thereof |
CN103895885A (en) * | 2014-03-21 | 2014-07-02 | 达尔嘉(广州)标识设备有限公司 | Goods logical distribution method and device |
CN103979124A (en) * | 2014-04-21 | 2014-08-13 | 合肥三冠机电设备有限公司 | Non-intermittent high-speed particle counting instrument |
CN105883023A (en) * | 2016-06-24 | 2016-08-24 | 赵群英 | Gadget counter |
CN107132176A (en) * | 2017-06-22 | 2017-09-05 | 温州科迪机械有限公司 | Visual combination formula tablet counting mechanism |
CN107628287A (en) * | 2017-10-20 | 2018-01-26 | 福建好日子食品有限公司 | A kind of high-precision brown sugar automatic packaging machine and its packing method |
CN111268213A (en) * | 2018-12-04 | 2020-06-12 | 董艳红 | Intelligent seed counting and packaging machine |
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2011
- 2011-07-29 CN CN2011202725248U patent/CN202186541U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102390578A (en) * | 2011-07-29 | 2012-03-28 | 上海朝洋机电设备有限公司 | Realizing method for quantitative grain counting and device thereof |
CN103895885A (en) * | 2014-03-21 | 2014-07-02 | 达尔嘉(广州)标识设备有限公司 | Goods logical distribution method and device |
CN103979124A (en) * | 2014-04-21 | 2014-08-13 | 合肥三冠机电设备有限公司 | Non-intermittent high-speed particle counting instrument |
CN105883023A (en) * | 2016-06-24 | 2016-08-24 | 赵群英 | Gadget counter |
CN107132176A (en) * | 2017-06-22 | 2017-09-05 | 温州科迪机械有限公司 | Visual combination formula tablet counting mechanism |
CN107628287A (en) * | 2017-10-20 | 2018-01-26 | 福建好日子食品有限公司 | A kind of high-precision brown sugar automatic packaging machine and its packing method |
CN107628287B (en) * | 2017-10-20 | 2023-08-22 | 福建好日子食品有限公司 | High-precision automatic brown sugar packaging machine and packaging method thereof |
CN111268213A (en) * | 2018-12-04 | 2020-06-12 | 董艳红 | Intelligent seed counting and packaging machine |
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Granted publication date: 20120411 Termination date: 20190729 |