CN101332458A - Granular material automatic grading method and device - Google Patents

Granular material automatic grading method and device Download PDF

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Publication number
CN101332458A
CN101332458A CNA2008100633032A CN200810063303A CN101332458A CN 101332458 A CN101332458 A CN 101332458A CN A2008100633032 A CNA2008100633032 A CN A2008100633032A CN 200810063303 A CN200810063303 A CN 200810063303A CN 101332458 A CN101332458 A CN 101332458A
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CN
China
Prior art keywords
disk
granular material
grade
dump gate
baffle ring
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Pending
Application number
CNA2008100633032A
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Chinese (zh)
Inventor
成芳
周亮
应义斌
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Zhejiang University ZJU
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Zhejiang University ZJU
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Publication date
Application filed by Zhejiang University ZJU filed Critical Zhejiang University ZJU
Priority to CNA2008100633032A priority Critical patent/CN101332458A/en
Publication of CN101332458A publication Critical patent/CN101332458A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an automatic grading method for particulate material and a device thereof. A circular disc which is provided with equant grooves on the same circumference at the periphery is coaxially connected with an motor, the circular disc is arranged inside a baffle ring and has an angle of 20-30 degrees with the horizontal plane, a grading execution area at a lower end of the baffle ring is provided with a plurality of gaps which are equally spaced with gaps of the circular disc, a spring hinge is arranged at each gap, one end of a discharge gate of each grade is articulated with the spring hinge thereof, the other end of discharge gate of each grade is connected with an electromagnetic device thereof, a camera is arranged vertically over a level high position of the circular disc, and a PC is electrically connected with the motor, the camera and the electromagnetic device respectively. With regard to the particulate material which is formed into single particulate distribution and is spirally conveyed in the spaced grooves at the edge of the inclined disc and is provided with grading information, the device automatically controls the opening of the discharge gate of the corresponding grade by magnetic force at the grading execution area so as to discharge the material under the action of the centrifugal inertia and gravity, which realizes the quick and exact execution and automatic control of discharge of the particulate material particle by particle.

Description

Granular material automatic grading method and device thereof
Technical field
The present invention relates to the material automatic grading technology, relate in particular to a kind of granular material automatic grading method and device thereof.
Background technology
In each fields such as industry, agricultural, medicine, all need be at the detection and the automatic classification technique of granular material.Existing granular material classification mechanism mostly is pneumatic type and mechanical hand dial type.Pneumatic type promptly blows out granular material with strength from classification mechanism, because the performance indications such as response speed of used pneumatic system are very big to the influence of classification accuracy, the cost height especially should not ensure granular material pneumatic classification effect; Mechanical hand dial type accuracy is better, but difficult realization rapid classification, that is to say the speed when granular material was through mechanical hand when speed that mechanical hand swings back and forth did not catch up with the disk rotation, and mechanical hand swings fragile for a long time, the maintenance cost height.The deficiencies in the prior art still rely on manually a large amount of granular material classification work of every profession and trade to carry out.
Summary of the invention
The object of the present invention is to provide a kind of granular material automatic grading method and device thereof.
The technical solution used in the present invention is:
One, a kind of granular material automatic grading method:
1) makes granular material in the spacing convave trough at inclined plate edge, form the simple grain distribution and rotate conveying continuously;
2) utilize machine vision or near infrared technology to obtain the rating information of granular material;
3) carry out first, second grade Dump gate that the district is provided with appropriate level in classification;
4) produce the Dump gate switching that electromagnetic force is controlled appropriate level automatically by triggering calutron.
Two, a kind of granular material automatic grading device:
Comprise motor, disk, baffle ring, Dump gate, calutron, PC, camera, wherein, the circle that has the five equilibrium groove on the same circumference of periphery links to each other with motor coaxle, disk is contained in the baffle ring, disk becomes 20~30 degree with horizontal plane, having and equally spaced several breach of disk breach of baffle ring low side in classification execution district, the breach number is according to optionally dividing progression to decide, on each breach spring hinge is housed, one end of every grade of Dump gate is hinged with spring hinge 8 separately, the other end of every grade of Dump gate is connected with calutron separately, camera is housed in the disc level high position directly over vertical, PC respectively with motor, camera and calutron are electrically connected.
The beneficial effect that the present invention has is:
The structure of 1, simplifying can be quick, exactly granular material carried out the classification discharging.
2, this granular material automatic grading executing agency and Electromagnetic Control method thereof for the automatic classification of all kinds of granular materials provides the solution of high efficiency, high accuracy and high reliability, have a extensive future.
Description of drawings
Fig. 1 is the disc structure schematic diagram of conveying granular material.
Fig. 2 is a front view of the present invention.
Fig. 3 is a side view of the present invention.
Fig. 4 is the structure chart of electromagnetic control apparatus of the present invention
Among the figure: 1. groove; 2. disk; 3. first order Dump gate; 4. first order calutron; 5. second level calutron; 6. second level Dump gate; 7. baffle ring; 8. spring hinge; 9. lead; 10. camera; 11. motor; 12.PC machine.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
As Fig. 1, Fig. 2, shown in Figure 3, the present invention includes motor 11, disk 2, baffle ring 7, two-stage Dump gate 3 and 6, two-stage electromagnetic device 4 and 5, PC 12, camera 10, wherein, have the disk 2 and 11 coaxial linking to each other of motor of five equilibrium groove on the same circumference of periphery, disk 2 is contained in the baffle ring 7, disk 2 becomes 20~30 degree with horizontal plane, having and equally spaced two breach of disk 2 breach of baffle ring 7 low sides in classification execution district, the breach number of this device is according to optionally dividing progression to decide, all be equipped with by spring hinge 8 on two breach, first, second level Dump gate 3, an end of 6 is hinged with spring hinge 8 respectively, first, second level Dump gate 3,6 the other end is respectively with first, partial calutron 4,5 connect, camera 10 is housed in disk 2 horizontal high positions directly over vertical, PC 12 is respectively through lead 9 and motor 11, camera 10 is electrically connected, first, partial calutron 4,5 pass through electronic switch a respectively, and b is connected as shown in Figure 4 with PC.Above-mentioned electronic device all can be chosen in market and obtain.
Disk border has equally spaced groove, the groove size and shape is consistent with the size and the shape of dividing stage material, the disk tilt angle size determines that according to frictional force between material and the disc material and disc rotation speed be beneficial to smooth discharging, the low-level position that the district is arranged on inclined plate is carried out in classification; Directly over the emargintion of disk and Dump gate symmetry camera is housed, in the time of under the granular material in the emargintion turns over camera, camera is taken pictures to it, then the picture that takes is transferred in PC or the single-chip microcomputer, handle, by the credit rating of information judges this material such as the shape of granular material is painted.Be centered around between the baffle ring of disk periphery and disk border and leave little gap, and carry out the district in classification and have equally spaced some breach, the breach number with branch progression consistent, notch size is slightly larger than the groove of disk border, especially extending to some extent along disk direction of rotation breach, so that when the material movement in the groove arrives the respective level Dump gate, the smooth Dump gate of opening by the baffle ring indentation, there; First, second grade Dump gate is contained in the baffle ring indentation, there, and its size and shape and corresponding breach coincide, is connected by spring hinge between the upper end of Dump gate and the baffle ring, under the nature owing to first, second grade of spring action Dump gate closure; A calutron is arranged in the relative appropriate location of first, second grade Dump gate with each in the baffle ring outside, and link to each other with the triggering line of accepting the rating information signal of telecommunication, form the grading control calutron, calutron energising back produces electromagnetic attraction and first, second grade Dump gate can be opened.
Forming simple grain distribution rotation at the spacing convave trough place at inclined plate edge carries and has utilized machine vision or other technology to obtain the granular material of rating information, in the process that moves to classification execution district, follow the tracks of by rotating speed control and position, obtain the positional information of every material by PC or single-chip microcomputer, make calutron charged via lead, automatically control first, second level Dump gate is opened when the granular material of appropriate level is about to forward to, make these materials that are in the groove of the low-level position of inclined plate pass through Dump gate, realize that granular material pursues the quick of grain discharging owing to centrifugal inertia and under the gravity effect, accurately carry out and control automatically.
As shown in Figure 1, according to the size and the shape of seed to be fractionated, the groove 1 at disk 2 edges is of a size of 11*6*4mm, interval 4mm, the direct or deceleration by the motor of tray bottom.As shown in Figure 3, the inclination angle of relative horizontal plane is 30 ° when determining that according to the frictional force between seed to be fractionated and disk 2 materials and disk 2 rotating speeds disk 2 is installed, and is beneficial to smooth discharging, and the low side of inclined plate 2 is classification and carries out the district.As shown in Figure 2, in disk bottom the motor coaxial with disc centre is housed, motor speed is controlled by PC, directly over the breach of the high-level position of disk is vertical camera is housed, and camera is also controlled and the image information that photographs is sent to PC with PC and carries out preliminary treatment and feature extraction.As shown in Figure 3, the baffle ring 7 that is centered around disk 2 peripheries be fixed on the support and and disk 2 edges between leave the 1mm gap, seed in the present embodiment is intended being classified as and differing from two-stage, baffle ring 7 is carried out the district in classification and is had equally spaced two breach, notch size is 13*7mm, be slightly larger than the groove 1 at disk 2 edges, especially extending to some extent along disk 2 direction of rotation breach, so that the material movement in the groove 1 is to first, second grade of respective level Dump gate 3 or 6 o'clock, first, second grade of respective activity Dump gate 3 or 6 of opening by baffle ring 7 indentation, there smoothly.
Shown in Fig. 2,3, first, second grade Dump gate 3,6 is made by ferromagnetic metalloid material, be contained in two indentation, there of baffle ring 7 respectively, its size and shape and corresponding breach coincide, is connected by spring hinge 8 between upper end and the baffle ring 7 of door, under the nature owing to spring 8 acts on first, second grade Dump gate 3 and 6 closures; Arrange a calutron in baffle ring 7 outside and each first, second grade Dump gate 3 or 6 relative appropriate locations, this calutron links to each other with the PC that obtains rating information by electronic switch, form grading control calutron 4 and 5, calutron energising back produces electromagnetic attraction and first, second grade Dump gate 3 or 6 can be opened; According to seed properties to be fractionated, determine the suitable spring hinge 8 and the layout of calutron type selecting and calutron 4 and 5 by testing, calutron in the present embodiment is controlled by electronic switch, is separately fixed at baffle ring 7 outsides and first, second grade Dump gate 3,6 relative distance 7mm places.
It should be noted last that: above embodiment is unrestricted technical scheme of the present invention and application in order to explanation only, for different granular materials to be fractionated, answer corresponding adjustment inclined plate groove, baffle ring breach, first, second grade Dump gate size etc., and may need different transporting velocity etc., but any modification or partial replacement that does not break away from the spirit and scope of granular material automatic grading executing agency of the present invention and Electromagnetic Control method thereof all should be encompassed in the middle of the claim scope of the present invention.

Claims (2)

1, a kind of granular material automatic grading method is characterized in that:
1) makes granular material in the spacing convave trough at inclined plate edge, form the simple grain distribution and rotate conveying continuously;
2) utilize machine vision or near infrared technology to obtain the rating information of granular material;
3) carry out first, second grade Dump gate that the district is provided with appropriate level in classification;
4) produce the Dump gate switching that electromagnetic force is controlled appropriate level automatically by triggering calutron.
2, the device of a kind of granular material automatic grading method as claimed in claim 1, it is characterized in that: comprise motor, disk, baffle ring, Dump gate, calutron, PC, camera, wherein, the disk that has the five equilibrium groove on the same circumference of periphery links to each other with motor coaxle, disk is contained in the baffle ring, disk becomes 20~30 degree with horizontal plane, having and equally spaced several breach of disk breach of baffle ring low side in classification execution district, the breach number is according to optionally dividing progression to decide, on each breach spring hinge is housed, one end of every grade of Dump gate is hinged with spring hinge separately, the other end of every grade of Dump gate is connected with calutron separately, camera is housed in the disc level high position directly over vertical, PC respectively with motor, camera and calutron are electrically connected.
CNA2008100633032A 2008-08-01 2008-08-01 Granular material automatic grading method and device Pending CN101332458A (en)

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Application Number Priority Date Filing Date Title
CNA2008100633032A CN101332458A (en) 2008-08-01 2008-08-01 Granular material automatic grading method and device

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Application Number Priority Date Filing Date Title
CNA2008100633032A CN101332458A (en) 2008-08-01 2008-08-01 Granular material automatic grading method and device

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102353681A (en) * 2011-06-08 2012-02-15 新昌县航达机械制造有限公司 Array apparatus for finished capsule checking machine
CN102962210A (en) * 2012-12-20 2013-03-13 山东省宇捷轴承制造有限公司 Automatic roller sorting machine
CN103358061A (en) * 2013-05-17 2013-10-23 苏州方林科技股份有限公司 Rotating separation device
CN105228760A (en) * 2012-10-30 2016-01-06 戴比尔斯英国有限公司 Measure the parameter of granular materials
CN108787497A (en) * 2018-07-06 2018-11-13 哈尔滨理工大学 A kind of fixture with rotation function detection steel ball
CN108910555A (en) * 2018-07-24 2018-11-30 王恒宇 A kind of bagged material allocates mechanism and automation charging appliance
CN109959600A (en) * 2017-12-26 2019-07-02 中船重工(昆明)灵湖科技发展有限公司 A kind of particle transmission mechanism of paddy brown rice
CN112676194A (en) * 2020-12-10 2021-04-20 中国农业大学 Seed sorting and detecting device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102353681A (en) * 2011-06-08 2012-02-15 新昌县航达机械制造有限公司 Array apparatus for finished capsule checking machine
CN105228760A (en) * 2012-10-30 2016-01-06 戴比尔斯英国有限公司 Measure the parameter of granular materials
CN102962210A (en) * 2012-12-20 2013-03-13 山东省宇捷轴承制造有限公司 Automatic roller sorting machine
CN103358061A (en) * 2013-05-17 2013-10-23 苏州方林科技股份有限公司 Rotating separation device
CN109959600A (en) * 2017-12-26 2019-07-02 中船重工(昆明)灵湖科技发展有限公司 A kind of particle transmission mechanism of paddy brown rice
CN108787497A (en) * 2018-07-06 2018-11-13 哈尔滨理工大学 A kind of fixture with rotation function detection steel ball
CN108910555A (en) * 2018-07-24 2018-11-30 王恒宇 A kind of bagged material allocates mechanism and automation charging appliance
CN112676194A (en) * 2020-12-10 2021-04-20 中国农业大学 Seed sorting and detecting device

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Open date: 20081231