CN104384116B - 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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- CN104384116B CN104384116B CN201410602353.9A CN201410602353A CN104384116B CN 104384116 B CN104384116 B CN 104384116B CN 201410602353 A CN201410602353 A CN 201410602353A CN 104384116 B CN104384116 B CN 104384116B
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- elephant trunk
- section
- granule materials
- downslide
- articulated chute
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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 informations such as the color of the granule materials such as corn, form can direct or indirect reaction mass
Quality, therefore, carry out sorting according to granule materials surface information, classification is that one is generally adopted
Method.
Now widely used multichannel grain color selector, is a kind of according to granule materials surface letter
Breath carries out the exemplary apparatus sorted.During sorting, after every cereal-granules enters U-shaped tip chute
Line up glide downwards.Through background board, if cereal-granules surface produces super relative to background board
Crossing the aberration of calibration value, signal difference just can be converted into and perform instruction, by valve by sensing element
Cereal-granules is blown out.Owing to U-shaped tip chute is straight trough, cereal-granules sliding wherein
Essentially translation, and depart from the cereal-granules after chute also with the kinestate process of overall translation
Before background board, therefore, side adjacent with cereal-granules before sensing element is only capable of receiving background board
Surface information, cause the distortion of surface information even to omit, and then affect effectiveness of classification.
Dimensional orientation residing for each several part of granule materials surface is different, each several part institute under normal circumstances
The surface information comprised is different.Some graded operations higher to material surface requirements, need to obtain
Take granule materials surface information whole, real.To this end, typically require at relative particle material
Multiple orientation adopt picture, the method for employing includes: arrange multiple imaging system around granule materials
System adopt simultaneously as, utilize material rotates relative to single imaging system repeatedly adopt picture, utilize lens or face
Mirror and single imaging system adopt picture, or utilize and more complicated adopt image space method imaging.
The grain color selector of enhancement mode have employed two-way adopts picture, and i.e. two sets are adopted as system is positioned opposite
In material both sides, in order to obtain surface information more accurate, comprehensive.Due to granule materials surface
Mostly being irregular curved surface, two-way picture of adopting still suffers from bigger distortion, in the edge of both sides image
Even produce signal leakage to adopt, cause granule defective to side to differentiate error.It addition, it is two-way
Adopt as system causes equipment integral layout difficulty, to multi-channel parallel equipment or at high pollution ring
Border is run equipment and is showed more so.
Chinese invention patent application CN 201010226335.7, it is proposed that a kind of by arranging two
Individual illuminator, makes every effort to adopt image space as obtain corn ear surface full detail by once adopting
Method.But the image obtained still suffers from bigger distortion, and the image in illuminator need to be carried out geometry
Correction, when sorting with the characteristic area area on material surface, effectiveness of classification is the highest.
In other prior arts, for size compared with material big, that shape is regular frequently with rotating torr
The structures such as roller, increase material is relative to adopting rotating as system, and passes through repeatedly to adopt as acquisition as far as possible
The information whole, real on material surface；, the granule materials of enormous amount less for size
Surface quality classification, directly use above-mentioned technology and method not only to equip complexity, huge, and
Cost is higher, and practicality is poor.
Summary of the invention
It is an object of the invention to provide a kind of granule materials and rotate downslide elephant trunk, it is adaptable to corn,
Before the graded operation of the little grainy materials such as oil plant, the adjustment of material movement state, especially suitable
The colorimetric separation operation of the granule materials after round-hole mesh sorts.
For achieving the above object, technical scheme is as follows:
A kind of granule materials rotates downslide elephant trunk, the straight circle of a described elephant trunk 1 generally uniform internal diameter
Tubular construction, sequentially includes 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 that a plurality of circumference is uniform, pitch gradually subtracts
Little spiral guide slot 6；Guide section 4 is the pipe of inner wall smooth；
Described elephant trunk 1 uses 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, cylindrical parts formed after excising.
The initial lead angle of described spiral guide slot 6 is 90 °, and end of a period lead angle is less than thing
Material and the angle of friction of elephant trunk 1 inwall.
3-5 times of the described a length of internal diameter of guide section 4.
The axis of described elephant trunk 1 and horizontal plane angle are 60-85 °.
A kind of multi-channel parallel using many granule materials to rotate downslide elephant trunk one word flat raft composition
System.
The beneficial effects of the present invention is:
Granule materials rotates downslide elephant trunk, by leading at a plurality of variable-pitch auger of elephant trunk inner wall arrangement
To groove, granule materials can be guided the major part of potential energy is efficiently converted into rotation kinetic energy, it is thus achieved that relatively
High rotational velocity, it is to avoid because of the imaging mould that falling speed is too fast, background board height causes the most greatly
Stick with paste, gathering sill and the contact area of particle surface and lower slip resistance can be reduced again, reduce energy and damage
Lose, gradually the overall translation of granule materials is converted within adding the section of turning overall translation and self turns
The dynamic kinestate combined.Material translation adds the falling state of rotation, contributes to being arranged in and slips
The imaging system in pipe exit captures the more surfaces of granule materials in shorter distance of fall
Information, improves the precise degrees carrying out classification according to material table surface information.It addition, elephant trunk is straight
Circular tube structure beneficially multichannel is arranged side by side, and constitutes high throughput parallel system, improves sorting
Productivity ratio.
Accompanying drawing explanation
Fig. 1 is under the single granule materials rotation that a kind of granule materials of the present invention rotates downslide elephant trunk
The structure chart of smooth pipe.
Fig. 2 is under the many granule materials rotations that a kind of granule materials of the present invention rotates downslide elephant trunk
The parallel system organization figure that smooth pipe is constituted.
Fig. 3 is to rotate, with a kind of granule materials of the present invention, the list that downslide elephant trunk forms for main member
Passage separation system.
Reference
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 are adopted as analyzing module
11 nozzle 12 photoswitches
13 pairs of lattice material collection groove 14 success slots
15 substandard products grooves
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is made the most in detail
Describe.
As it is shown in figure 1, it is first-class interior on the whole that the granule materials of the present invention rotates downslide elephant trunk 1
The straight circular tube structure in footpath, is made up of glass or rigid plastics, different according to structure and function, should
Elephant trunk 1 sequentially includes posture adjustment section 2, adds the section of turning 3 and guide section 4.Posture adjustment section 2 is inner wall smooth
U-lag 5, cylindrical parts formed after excising, make posture adjustment section 2 and add the section of turning 3 joint
Smoothly transit, and semi-open structure desirably prevents to occur to block up when granule materials entrance adds the section of turning 3
Plug；Add the section of turning 3 inwall and have the spiral guide slot 6 that a plurality of circumference is uniform, pitch is gradually reduced,
The initial lead angle of spiral guide slot 6 is 90 °, and end of a period lead angle is less than material and elephant trunk
The angle of friction of 1 inwall, this structure both can guide granule materials and produce rotation, can reduce again spiral
The contact area of gathering sill 6 and particle surface and lower slip resistance, variable-pitch auger gathering sill 6 can
Guide granule materials and the major part of potential energy is efficiently converted into rotation kinetic energy, it is thus achieved that be high from rotating speed
Degree, contains falling speed, gradually the overall translation of granule materials is converted within adding the section of turning 3
Overall translation adds the compound motion self rotated.Guide section 4 is the pipe of inner wall smooth, length
For 3-5 times of internal diameter, primarily serve the purpose of orientation, so that basic along slipping when granule materials goes out elephant trunk 1
The axis direction motion of pipe 1.Elephant trunk 1 uses and is in tilted layout, 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
With add the section of turning 3 length, the inclination angle of elephant trunk 1 and the Changing Pattern of spiral guide slot 6 pitch,
Can realize the adjustment of granule materials translational velocity and angular velocity, obtain higher angular speed and relatively simultaneously
Low entire lowering speed.
The granule materials of the present invention rotates downslide elephant trunk and is applicable to the particulate matter after size classification
The surface quality separation operation of material, is especially suitable for the granule materials such as corn, oil plant and believes according to surface
The colorimetric sorting that breath is carried out.
The present invention uses granule materials to rotate downslide elephant trunk and combines with existing single channel separation system
Mode carry out separation operation according to the surface quality of granule materials, as it is shown on figure 3, single channel
Separation system includes that vibrations are dropped down plate 7, background board 8, light compensating lamp 9, adopted as analyzing module 10, spray
Mouth 11, photoswitch 12 and double lattice material collection groove 13.Wherein, elephant trunk 1 is arranged in and shakes
The dynamic lower section dropping down plate 7, it is double that the orientation of elephant trunk 1 must ensure that granule materials falls into when interference-free
In the success slot 14 of lattice material collection groove 13, vibrations are dropped down plate 7 and are paved into for being dissipated by granule materials
Thin layer, line up glide.Move along granule materials below guide section 4 end of elephant trunk 1, axis
Line arrangement is had powerful connections plate 8, according to granule materials translational velocity when the background board 8 and rotation
Speed determines the length of background board 8, it is ensured that the granule materials of whereabouts is during background board 8
Produce the rotation of more than a week.For making separation system properly functioning, the length of granule materials needs little
Length in background board 8.It addition, vibrations need to be dropped down plate 7 and the geometry of elephant trunk 1 and cloth
Put orientation and carry out structure adjusting, so that granule materials is when background board 8, between adjacent two granules
Distance need to be more than the length of background board 8.
Granule materials before sorting need to screen through circular hole, and round-hole mesh bore dia is less than elephant trunk 1
Internal diameter, so that the diameter of granule materials to be sorted is less than the internal diameter of elephant trunk 1.Granule materials
Enter before elephant trunk 1 and must drop down plate 7 through vibrations and dissipate and be paved into thin layer, line up to glide.Then, particulate matter
Material sequentially enters and is accelerated in the U-lag 5 of elephant trunk 1 posture adjustment section 2 gliding and attitude stabilization,
Gradually transition is the overall acceleration translation sliding state that center of gravity is minimum；After entrance adds the section of turning 3,
Under the guiding of spiral guide slot 6, granule materials kinestate is gradually overall by overall translation transition
Translation and the composite motion state self rotated；Through the orientation of guide section 4, with overall translation
Rotate the kinestate combined with self and discharge elephant trunk 1 along elephant trunk 1 axis direction.Granule materials
Continue the rotation process that can experience more than a week when background board 8 that falls, period, light compensating lamp 9
To background board 8 supplementary light, module 10 continuous collecting background board 8 analyzed by the picture of adopting of work continuously
Colour difference signal in region and with calibration value comparison.Conforming particle material when background board 8,
Adopting as analyzing module 10 reticent, granule materials falls into success slot 14；Once go out before background board 8
Existing heterochromatic granule materials, adopts the power supply i.e. connecting driving nozzle 11 as analyzing module 10, makes spray
Mouth 11 enters armed state, when heterochromatic granule materials continues to fall through photoswitch 12,
The pulse signal that photoswitch 12 produces triggers nozzle 11 immediately and carries out the short of time delay disconnection form
Opening temporarily, air-flow promotes heterochromatic granule materials deviate normal fall trajectory and fall into substandard products groove 15,
Meanwhile, pulse signal cuts off the power supply driving nozzle 11, waits next heterochromatic granule materials.
During as in figure 2 it is shown, carry out separation operation, can be by many for multiple elephant trunk 1 one word flat rafts composition
Channel parallel system, it is achieved big flux operation.
Claims (7)
1. a granule materials rotates downslide elephant trunk, it is characterised in that:
The straight circular tube structure of described elephant trunk (1) generally uniform internal diameter, sequentially include posture adjustment section (2),
Adding the section of turning (3) and guide section (4), wherein, posture adjustment section (2) is the U-lag of inner wall smooth
(5)；Add the section of turning (3) inwall and have the spirally-guided that a plurality of circumference is uniform, pitch is gradually reduced
Groove (6)；Guide section (4) is the pipe of inner wall smooth；
Described elephant trunk (1) use be in tilted layout, posture adjustment section (2) up, U-lag (5)
Opening up.
Granule materials the most according to claim 1 rotates downslide elephant trunk, it is characterised in that:
Described elephant trunk (1) is made up of glass or rigid plastics.
Granule materials the most according to claim 1 rotates downslide elephant trunk, it is characterised in that:
The U-lag (5) of described posture adjustment section (2), cylindrical parts formed after excising.
Granule materials the most according to claim 1 rotates downslide elephant trunk, it is characterised in that:
The initial lead angle of described spiral guide slot (6) is 90 °, and end of a period lead angle is less than
Material and the angle of friction of elephant trunk (1) inwall.
Granule materials the most according to claim 1 rotates downslide elephant trunk, it is characterised in that:
3-5 times of described guide section (4) a length of internal diameter.
Granule materials the most according to claim 1 rotates downslide elephant trunk, it is characterised in that:
The axis of described elephant trunk (1) and horizontal plane angle are 60-85 °.
7. one kind uses many granule materials as described in any one in claim 1-6 to rotate downslide
The multi-channel parallel system of 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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
|---|---|
| CN104384116A CN104384116A (en) | 2015-03-04 |
| CN104384116B true CN104384116B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3329259A1 (en) * | 2015-07-31 | 2018-06-06 | Biogemma | Method for imaging a corn ear and apparatus for implementing such method |
| 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 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8909164D0 (en) * | 1989-04-21 | 1989-06-07 | Radix Systems Ltd | 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 |
| BRMU8701707U2 (en) * | 2007-09-21 | 2008-12-09 | Sanmak Ind De Maquinas Sa | conveyor feeder 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 |
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