CN104384116A - Articulated chute for rotary downward sliding of particle materials - Google Patents
Articulated chute for rotary downward sliding of particle materials Download PDFInfo
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- CN104384116A CN104384116A CN201410602353.9A CN201410602353A CN104384116A CN 104384116 A CN104384116 A CN 104384116A CN 201410602353 A CN201410602353 A CN 201410602353A CN 104384116 A CN104384116 A CN 104384116A
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- elephant trunk
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- granule materials
- downslide
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Abstract
The invention belongs to the technical field of particle material sorting, and particularly relates to an articulated chute for rotary downward sliding of particle materials. The integral articulated chute (1) is of a straight round pipe structure with equal diameter, and sequentially comprises an attitude adjusting section (2), a turning section (3) and a guide section (4), wherein the attitude adjusting section (2) is a U-shaped groove (5) with a smooth inner wall; a plurality of spiral guide grooves (6) which are peripherally distributed are formed in the inner wall of the turning section (3), wherein the screw pitches of the spiral guide grooves (6) are decreased gradually; the guide section (4) is a round pipe with a smooth inner wall; the articulated chute (1) is arranged obliquely, the attitude adjusting section (2) is arranged at the upper part, and the U-shaped groove (5) is opened upwards. The inner wall of the articulated chute is provided with the plurality of spiral guide grooves with variable screw pitches, the integral translation motion of the particle materials in the turning section is gradually converted into the motion state with the combination of integral translation motion and auto-rotation, so that an imaging system arranged at an outlet of the articulated chute can be used for capturing more surface information of the particle materials within a relatively short falling distance, and the sorting accuracy degree according to the material surface information can be improved.
Description
Technical field
The invention belongs to sorting of granular material technology category, be specifically related to a kind of granule materials and rotate downslide elephant trunk.
Background technology
The surface information such as color, form of the granule materials such as cereal can the quality of direct or indirect reaction mass, therefore, carries out sorting, classification is a kind of method generally adopted according to granule materials surface information.
Now widely used multichannel grain color selector is a kind of exemplary apparatus carrying out sorting according to granule materials surface information.During sorting, after every cereal-granules enters U-shaped tip chute, line up glide downwards.Through background board, if the relative background board in cereal-granules surface produces the aberration exceeding calibration value, signal difference just can be converted into execution instruction by sensing element, is blown out by cereal-granules by valve.Because U-shaped tip chute is straight trough, cereal-granules wherein to slide basic be translation, and cereal-granules after disengaging chute also with the motion state of overall translation before background board, therefore, sensing element only can receive the surface information of the front side adjacent with cereal-granules of background board, cause the distortion of surface information even to omit, and then affect effectiveness of classification.
The dimensional orientation of granule materials surface residing for each several part is different, and the surface information that comprises of each several part is different under normal circumstances.Some graded operations higher to material surface requirements, need to obtain whole, the real information in granule materials surface.For this reason, usual needs adopt picture in multiple orientation of relative particle material, the method adopted comprises: around granule materials, arrange that multiple imaging system is adopted picture simultaneously, utilized material to rotate relative to single imaging system repeatedly to adopt picture, utilize lens or face mirror and single imaging system to adopt picture, or more complicated image space method of the adopting imaging of utilization.
The grain color selector of enhancement mode have employed two-wayly adopts picture, and namely to adopt picture system positioned opposite in material both sides for two covers, so as to obtain more accurately, comprehensive surface information.Because granule materials surface mostly is irregular curved surface, still there is larger distortion in two-way picture of adopting, and even produces signal leakage and adopt, cause and differentiate error to side particle defective in the edge of both sides image.In addition, two-way adopting causes Whole Equipment layout difficulty as system, shows more so to multi-channel parallel equipment or at high pollution environment operational outfit.
Chinese invention patent application CN 201010226335.7, proposes a kind of by arranging two reflective mirrors, makes every effort to adopt image space method by what once adopt that picture obtains corn ear surface full detail.But the image obtained still exists larger distortion, and need carry out geometric correction to the image in reflective mirror, when carrying out sorting with the characteristic area area on material surface, effectiveness of classification is still not high.
In other prior arts, often the structures such as rotary carrier roller are adopted for comparatively large, that shape the is regular material of size, increases material relative to adopting rotating of picture system, and obtain whole, the real information on material surface by repeatedly adopting picture as far as possible; The surface quality classification of the granule materials of, enormous amount less for size, directly adopt above-mentioned technology and method not only to equip complexity, huge, and cost is higher, practicality is poor.
Summary of the invention
The object of the present invention is to provide a kind of granule materials to rotate downslide elephant trunk, before being applicable to the graded operation of the little grainy material such as cereal, oil plant, the adjustment of material movement state, is especially suitable for the colorimetric separation operation of the granule materials after round-hole mesh sorting.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of granule materials rotates downslide elephant trunk, and described elephant trunk 1 entirety is the straight circular tube structure of a uniform internal diameter, sequentially comprises posture adjustment section 2, adds the section of turning 3 and guide section 4, and wherein, posture adjustment section 2 is the U-lag 5 of inner wall smooth; Add the section of turning 3 inwall and have the spiral guide slot 6 that many circumferences are uniform, pitch reduces gradually; Guide section 4 is the pipe of inner wall smooth;
Described elephant trunk 1 adopts and is in tilted layout, and up, U-lag 5 is opening up for posture adjustment section 2.
Described elephant trunk 1 is made up of glass or rigid plastics.
The U-lag 5 of described posture adjustment section 2, is formed after being excised by cylindrical parts.
The initial lead angle of described spiral guide slot 6 is 90 °, and end of a period lead angle is less than the angle of friction of material and elephant trunk 1 inwall.
Described guide section 4 length is 3-5 times of internal diameter.
The axis of described elephant trunk 1 and horizontal plane angle are 60-85 °.
A kind of multi-channel parallel system adopting many granule materials to rotate downslide elephant trunk one word flat raft composition.
Beneficial effect of the present invention is:
Granule materials rotates downslide elephant trunk, by at elephant trunk inner wall arrangement many variable-pitch auger gathering sills, granule materials can be guided the major part of potential energy is effectively converted into rotation kinetic energy, obtain higher rotational velocity, avoid because of the image blur that falling speed is too fast, background board height causes too greatly, the contact area of gathering sill and particle surface and lower slip resistance can be reduced again, reduce energy loss, adding in the section of turning the motion state gradually overall translation of granule materials being converted into overall translation and own rotation and combining.Material translation adds the falling state of rotation, and the imaging system contributing to being arranged in elephant trunk exit captures the more multi-surface information of granule materials in shorter distance of fall, improves the precise degrees carrying out classification according to material table surface information.In addition, the straight circular tube structure of elephant trunk is conducive to multichannel and is arranged side by side, and forms high throughput parallel system, improves sorting productivity ratio.
Accompanying drawing explanation
Fig. 1 is the structure chart that a kind of granule materials of the present invention rotates the single granule materials rotation downslide elephant trunk of downslide elephant trunk.
Fig. 2 is the parallel system organization figure that a kind of granule materials of the present invention rotates many granule materials rotation downslide elephant trunk formations of downslide elephant trunk.
Fig. 3 is the single channel separation system formed for main member with a kind of granule materials rotation of the present invention downslide elephant trunk.
Reference numeral
1 elephant trunk 2 posture adjustment section
3 add the section of turning 4 guide section
5 U-lag 6 spiral guide slots
Plate 8 background board is dropped down in 7 vibrations
9 light compensating lamps 10 adopt picture analysis module
11 nozzle 12 optoelectronic switches
13 pairs of investigate things material feeder 14 success slots
15 substandard products grooves
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, granule materials of the present invention rotates the straight circular tube structure that downslide elephant trunk 1 is a uniform internal diameter on the whole, is made up of glass or rigid plastics, and according to structure and function difference, this elephant trunk 1 sequentially comprises posture adjustment section 2, adds the section of turning 3 and guide section 4.Posture adjustment section 2 is the U-lag 5 of inner wall smooth, is formed after being excised by cylindrical parts, makes posture adjustment section 2 and adds the section of turning 3 joint and smoothly transit, and semi-open structure is conducive to preventing granule materials from entering when adding the section of turning 3 blocks, adding the section of turning 3 inwall, to have many circumferences uniform, the spiral guide slot 6 that pitch reduces gradually, the initial lead angle of spiral guide slot 6 is 90 °, end of a period lead angle is less than the angle of friction of material and elephant trunk 1 inwall, this structure both can have been guided granule materials and produce rotation, the contact area of spiral guide slot 6 and particle surface and lower slip resistance can be reduced again, variable-pitch auger gathering sill 6 can be guided granule materials and the major part of potential energy is effectively converted into rotation kinetic energy, obtain high rotational velocity, containment falling speed, add in the section of turning 3 gradually the overall translation of granule materials is converted to overall translation add self rotate compound motion.Guide section 4 is the pipe of inner wall smooth, and length is 3-5 times of internal diameter, and Main Function is directed, substantially moves along the axis direction of elephant trunk 1 when going out elephant trunk 1 to make granule materials.Elephant trunk 1 adopts and is in tilted layout, and axis and horizontal plane angle 60-85 °, up, U-lag 5 is opening up for posture adjustment section 2.By adjusting the guide section 4 of elephant trunk 1 and adding the section of turning 3 length, the inclination angle of elephant trunk 1 and the Changing Pattern of spiral guide slot 6 pitch, the adjustment of granule materials translational velocity and angular speed can be realized, obtain higher angular speed and lower entire lowering speed simultaneously.
Granule materials of the present invention rotates the surface quality separation operation that downslide elephant trunk is applicable to the granule materials after size classification, is especially applicable to the colorimetric sorting that the granule materials such as cereal, oil plant carries out according to surface information.
The surface quality that the present invention adopts granule materials to rotate the mode foundation granule materials that downslide elephant trunk combines with existing single channel separation system carries out separation operation, as shown in Figure 3, single channel separation system comprise vibrations drop down plate 7, background board 8, light compensating lamp 9, adopt picture analysis module 10, nozzle 11, optoelectronic switch 12 and two investigate things material feeder 13.Wherein, elephant trunk 1 is arranged in the below vibrating and drop down plate 7, and the orientation of elephant trunk 1 must ensure that granule materials fall in the success slot 14 of two investigate things material feeder 13 when interference-free, and vibrations are dropped down plate 7 and being paved into thin layer for being fallen apart by granule materials, lining up to glide.Background board 8 is furnished with along granule materials movement line below guide section 4 end of elephant trunk 1, axis, according to the translational velocity of granule materials when the background board 8 and the length of rotational velocity determination background board 8, guarantee that the granule materials fallen produces the rotation of more than a week in background board 8 process.For making separation system normally run, the length of granule materials need be less than the length of background board 8.In addition, need drop down the geometry of plate 7 and elephant trunk 1 to vibrations and arrange that structure adjusting is carried out in orientation, to make granule materials when the background board 8, adjacent two intergranular distances need be greater than the length of background board 8.
Granule materials before sorting need screen through circular hole, and round-hole mesh bore dia is less than the internal diameter of elephant trunk 1, thus makes the diameter of the granule materials treating sorting be less than the internal diameter of elephant trunk 1.Plate 7 must be dropped down through vibrations before granule materials enters elephant trunk 1 to be loosely paved into thin layer, to line up to glide.Then, granule materials enters successively in the U-lag 5 of elephant trunk 1 posture adjustment section 2 and carries out acceleration downslide and attitude stabilization, and transition is that the entirety that center of gravity is minimum accelerates translation sliding state gradually; Enter after adding the section of turning 3, the composite motion state that granule materials motion state is overall translation by overall translation transition and self is rotated gradually under the guiding of spiral guide slot 6; Through the orientation of guide section 4, rotate with overall translation and self motion state combined and discharge elephant trunk 1 along elephant trunk 1 axis direction.Granule materials continues the rotation process falling can experience more than a week when background board 8, period, light compensating lamp 9 to background board 8 supplementary light, continuous operation adopt as the colour difference signal in analysis module 10 continuous collecting background board 8 region and with calibration value comparison.Conforming particle material is when background board 8, and adopt picture analysis module 10 reticent, granule materials falls into success slot 14; Once there is heterochromatic granule materials before background board 8, adopt picture analysis module 10 and namely connect the power supply driving nozzle 11, nozzle 11 is made to enter armed state, when heterochromatic granule materials continues to fall through optoelectronic switch 12, the pulse signal that optoelectronic switch 12 produces triggers nozzle 11 immediately and carries out the of short duration unlatching that time delay disconnects form, the heterochromatic granule materials of air propels departs from normal descend track and falls into substandard products groove 15, simultaneously, pulse signal cuts off the power supply driving nozzle 11, waits for next heterochromatic granule materials.
As shown in Figure 2, when carrying out separation operation, by multiple elephant trunk 1 one word flat raft composition multi-channel parallel system, large flux operation can be realized.
Claims (7)
1. granule materials rotates a downslide elephant trunk, it is characterized in that:
Described elephant trunk (1) entirety is the straight circular tube structure of a uniform internal diameter, sequentially comprise posture adjustment section (2), add the section of turning (3) and guide section (4), wherein, the U-lag (5) that posture adjustment section (2) is inner wall smooth; Add the section of turning (3) inwall and have the spiral guide slot (6) that many circumferences are uniform, pitch reduces gradually; The pipe that guide section (4) is inner wall smooth;
Described elephant trunk (1) adopts and is in tilted layout, and up, U-lag (5) is opening up for posture adjustment section (2).
2. granule materials according to claim 1 rotates downslide elephant trunk, it is characterized in that:
Described elephant trunk (1) is made up of glass or rigid plastics.
3. granule materials according to claim 1 rotates downslide elephant trunk, it is characterized in that:
The U-lag (5) of described posture adjustment section (2), is formed after being excised by cylindrical parts.
4. granule materials according to claim 1 rotates downslide elephant trunk, it is characterized in that:
The initial lead angle of described spiral guide slot (6) is 90 °, and end of a period lead angle is less than the angle of friction of material and elephant trunk (1) inwall.
5. granule materials according to claim 1 rotates downslide elephant trunk, it is characterized in that:
Described guide section (4) length is 3-5 times of internal diameter.
6. granule materials according to claim 1 rotates downslide elephant trunk, it is characterized in that:
The axis of described elephant trunk (1) and horizontal plane angle are 60-85 °.
7. the multi-channel parallel system adopting many granule materials as described in claim 1-6 to rotate downslide elephant trunk one word flat raft composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410602353.9A CN104384116B (en) | 2014-10-31 | 2014-10-31 | Articulated chute for rotary downward sliding of particle materials |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410602353.9A CN104384116B (en) | 2014-10-31 | 2014-10-31 | Articulated chute for rotary downward sliding of particle materials |
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| CN104384116A true CN104384116A (en) | 2015-03-04 |
| CN104384116B CN104384116B (en) | 2017-01-11 |
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| CN201410602353.9A Expired - Fee Related CN104384116B (en) | 2014-10-31 | 2014-10-31 | Articulated chute for rotary downward sliding of particle materials |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017021285A1 (en) * | 2015-07-31 | 2017-02-09 | Biogemma | Method for imaging a corn ear and apparatus for implementing such method |
| CN107214099A (en) * | 2017-06-30 | 2017-09-29 | 中国农业大学 | A kind of elastic bank tube for adjusting downslide granule materials motion state |
Citations (6)
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| CN2056668U (en) * | 1989-10-07 | 1990-05-02 | 胡华轩 | Wear-resistance slide tube for solid materials |
| EP0396290A2 (en) * | 1989-04-21 | 1990-11-07 | Radix Systems Limited | Method and apparatus for sorting discrete materials and manufactured products |
| CN2068088U (en) * | 1990-04-06 | 1990-12-26 | 新疆维吾尔自治区粮油科学研究所 | Power-leakage screening pipe |
| EP2039438A1 (en) * | 2007-09-21 | 2009-03-25 | Sanmak Industria de Maquinas S.A. | Feeding conveyor belt doser with adjustable production flow |
| CN102343310A (en) * | 2011-08-17 | 2012-02-08 | 中国石油大学(北京) | Shunting core pipe and single-pipe cyclone separator with same |
| CN104001677A (en) * | 2014-05-06 | 2014-08-27 | 中国农业大学 | Color selector utilizing electric-control automatic distribution of material |
-
2014
- 2014-10-31 CN CN201410602353.9A patent/CN104384116B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0396290A2 (en) * | 1989-04-21 | 1990-11-07 | Radix Systems Limited | Method and apparatus for sorting discrete materials and manufactured products |
| CN2056668U (en) * | 1989-10-07 | 1990-05-02 | 胡华轩 | Wear-resistance slide tube for solid materials |
| CN2068088U (en) * | 1990-04-06 | 1990-12-26 | 新疆维吾尔自治区粮油科学研究所 | Power-leakage screening pipe |
| EP2039438A1 (en) * | 2007-09-21 | 2009-03-25 | Sanmak Industria de Maquinas S.A. | Feeding conveyor belt doser with adjustable production flow |
| CN102343310A (en) * | 2011-08-17 | 2012-02-08 | 中国石油大学(北京) | Shunting core pipe and single-pipe cyclone separator with same |
| CN104001677A (en) * | 2014-05-06 | 2014-08-27 | 中国农业大学 | Color selector utilizing electric-control automatic distribution of material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017021285A1 (en) * | 2015-07-31 | 2017-02-09 | Biogemma | Method for imaging a corn ear and apparatus for implementing such method |
| US10783372B2 (en) | 2015-07-31 | 2020-09-22 | Biogemma | Method for imaging a corn ear and apparatus for implementing such method |
| CN107214099A (en) * | 2017-06-30 | 2017-09-29 | 中国农业大学 | A kind of elastic bank tube for adjusting downslide granule materials motion state |
| CN107214099B (en) * | 2017-06-30 | 2019-03-22 | 中国农业大学 | A kind of elastic bank tube adjusting downslide granule materials motion state |
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| CN104384116B (en) | 2017-01-11 |
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