CN105537118A - Seed centrifugal winnowing machine - Google Patents
Seed centrifugal winnowing machine Download PDFInfo
- Publication number
- CN105537118A CN105537118A CN201610062659.9A CN201610062659A CN105537118A CN 105537118 A CN105537118 A CN 105537118A CN 201610062659 A CN201610062659 A CN 201610062659A CN 105537118 A CN105537118 A CN 105537118A
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- China
- Prior art keywords
- centrifugal
- winnowing
- ventilative
- groove
- selection
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
- B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
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- Combined Means For Separation Of Solids (AREA)
Abstract
A seed centrifugal winnowing machine comprises a rack, a barrel-shaped centrifugal winnowing groove is inversely placed in the rack, a circumferential air inlet cover with a good seed discharging opening in the bottom is arranged at the lower end of the centrifugal winnowing groove, an air cover is arranged on the top of the centrifugal winnowing groove, and an annular ventilation grid is arranged in the centrifugal winnowing groove; the upper end of the air cover is communicated with a horizontal air induction channel, and the horizontal air induction channel is communicated with a room type cloth bag dust removal cover through an induced draft fan; a shaft cylinder support is arranged in the circumferential air inlet cover, a rotating shaft is vertically arranged on the shaft cylinder support, a centrifugal ventilation disc is horizontally arranged on the rotating shaft, and gaps are formed between the centrifugal ventilation disc and the ventilation grid and between the centrifugal ventilation disc and the top of the centrifugal winnowing groove; a feeding pipe is vertically arranged in the air cover, the lower end of the feeding pipe is located above the centrifugal ventilation disc, and the upper end of the feeding pipe sequentially penetrates the air cover and the air induction channel to be connected with a feeding hopper; the principle that centrifugal force accelerates dispersion of weight material particles, and a suction fan carries out negative pressure suction and separated windowing is utilized by the centrifugal windowing machine, seeds are sorted, the sorting efficiency is high, the advanced sorting ideal is provided for cleaning and fine selecting of the seeds, and equipment types are added.
Description
Technical field
The invention belongs to seed field of mechanical technique, relate to a kind of seed separation equipment, particularly the centrifugal winnowing machine of a kind of seed.
Background technology
Seed machining be utilize machinery to seed from gather in the crops to sow before the various processing carried out process, to improve the utilization rate of seed, play the production-increasing function of breeding to greatest extent.
Since nineteen sixty, China tiller just departs from manual seed instrument, starts to use machining seeding, and most of seed processing machinery is all from external import at that time, and purification of seeds effect is bad, and seed percentage of damage is also high.China in 1970 starts to research and develop seed processing machinery equipment.The eighties introduces complete seed device from external and copied.The seed machinery of China, from import to independent research, experienced by very long evolution.
China successively succeeds in developing and the seed device be progressively widely applied has: air-screen separator, gravity separator, pocket cylinder refiner, cylinder grader, multilayer sieve grader, mix medicine seed-coating machine, dryer etc., the seriation of part type, part forms complete production unit, and widely use, also export to foreign countries.
The seed machinery of special requirement is had still to locate blank, as capsuled seed drying machine.
Due to the development that China's agricultural is advanced by leaps and bounds, stricter and diversified to the demand of seed plant equipment, need the better quality of seed plant equipment, design is more reasonable, and accessory generalization improves seed qualification rate.And existing seed machinery mostly to there is design be not very science, the efficiency of separation is low, weight thing grain separating effect is bad, equipment is poor for applicability problem.
Summary of the invention
The object of this invention is to provide a kind ofly design that comparatively science, the efficiency of separation are high, weight thing grain good separating effect, the centrifugal winnowing machine of seed that applicability is good.
For achieving the above object, the technical solution adopted in the present invention is: the centrifugal winnowing machine of a kind of seed, comprise frame, frame is provided with inverted barrel-shaped centrifugal selection by winnowing groove (6, centrifugal selection by winnowing groove lower end is connected with barrel-shaped circumference air intake cover, openend and the centrifugal selection by winnowing groove lower end of circumference air intake cover are affixed, breeding row mouth is provided with bottom circumference air intake cover, centrifugal selection by winnowing groove top is provided with the fan housing that inner and centrifugal selection by winnowing groove inside is communicated with, and centrifugal selection by winnowing groove top is provided with annular ventilative grid towards the sidewall of circumference air intake cover; Fan housing upper end is communicated with one end of horizontally disposed wind channel, and the other end of wind channel is communicated with room formula bag-type dust cover by air-introduced machine; Circumference air intake cover is provided with air inlet structure, beam barrel support is provided with in circumference air intake cover, beam barrel support is vertically provided with can around the rotating shaft of own axis, rotating shaft upper end is horizontally installed with centrifugal ventilative disk, centrifugal ventilative disk is positioned at ventilative grid, there is space between centrifugal ventilative disk sidewall and ventilative grid, between centrifugal ventilative disk and centrifugal selection by winnowing groove top, have slit; Rotating shaft is connected with motor by driving mechanism, is vertically provided with passage in fan housing, and passage lower end is positioned at above centrifugal ventilative disk, and passage upper end through fan housing and wind channel, is connected with funnel shaped feed hopper successively.
The centrifugal winnowing machine of seed of the present invention utilizes air exhauster negative-pressure ward to be separated grading principle, the centrifugal force simultaneously adopting the ventilative disc rotary of level to produce accelerates dispersion weight thing grain, start and used the beginning of centrifugal force selection by winnowing seed, solved the sorting needs of different seed, achieve cleanliness without any pollution to produce, improve the efficiency of separation, improve unit-hour output, is purification of seeds and the selected sorting thinking providing advanced person, add device type, for China's seed separation plays progradation.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the centrifugal winnowing machine of the present invention.
Fig. 2 is the top view of Fig. 1.
In figure: 1. feed hopper, 2. passage, 3. fan housing, 4. wind channel, 5. air-introduced machine, 6. centrifugal selection by winnowing groove, 7. centrifugal ventilative disk, 8. circumference air intake cover, 9. beam barrel support, 10. rotating shaft, 11. motors, 12. frames, 13. room formula bag-type dust covers, 14. breeding row mouths, 15. ventilative grids.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Seed purifier is with vertical channel as sorting space, and light assorted and breeding enters sorting space simultaneously and falls with freely falling body, and after a segment distance, light assorted being inhaled into moves up, and causes the collision with the material fallen, affects selection by winnowing efficiency.Double leval jib cleaner blower fan is to up-draught bottom compass screen surface, and compass screen surface has inclination screen cloth, and wind direction is adjusted to the light assorted Way out of deflection, and so light mixing progressively is blown out.Gravity treatment cleaner principle and the said equipment basically identical, difference utilizes gravitational difference, realizes the weight layering of seed.Realize being separated by shaking table mode.The common shortcoming of these existing seed separation equipment is: vibration is large, the life-span is short, and energy consumption is high, and the efficiency of separation is low, and be of rude workmanship, imitation rate is high, the market segments are inadequate, equipment poor for applicability, and environment protecting is poor.
In order to overcome above-mentioned problems of the prior art, the invention provides a kind of centrifugal winnowing machine as depicted in figs. 1 and 2, utilize centrifugal force that mixture is thrown to disk surrounding from center, exhausting upwards sucks light assorted to be about 90 ° of angles simultaneously, separation angle rationally avoids the collision of weight thing intergranular, improve separative efficiency, well solve layering and separation problem, drastically increase output, improve sorting quality, energy consumption significantly reduces, operation reduces, operation simplifies, and controls to simplify, and separation process simplifies.This centrifugal winnowing machine comprises frame 12, frame 12 is provided with inverted barrel-shaped centrifugal selection by winnowing groove 6, the openend of centrifugal selection by winnowing groove 6 down, the lower end of centrifugal selection by winnowing groove 6 is connected with barrel-shaped circumference air intake cover 8, circumference air intake cover 8 is stage body, the larger end of circumference air intake cover 8 size is openend, this openend and centrifugal selection by winnowing groove 6 lower end affixed, breeding row mouth 14 is provided with bottom circumference air intake cover 8, centrifugal selection by winnowing groove 6 top is provided with fan housing 3, fan housing 3 lower end and centrifugal selection by winnowing groove 6 affixed, the inner and centrifugal selection by winnowing groove 6 of fan housing 3 is inner to be communicated with; Centrifugal selection by winnowing groove 6 top is provided with annular ventilative grid 15 towards the sidewall of circumference air intake cover 8; The upper end of fan housing 3 is connected with one end of horizontally disposed wind channel 4, and the other end of wind channel 4 is communicated with room formula bag-type dust cover 13 by air-introduced machine 5; Circumference air intake cover 8 is provided with air inlet structure, beam barrel support 9 has been horizontally disposed with in circumference air intake cover 8, beam barrel support 9 is vertically provided with can around the rotating shaft 10 of own axis, rotating shaft 10 top is provided with abrasionproof nut, rotating shaft 10 upper end is provided with horizontally disposed centrifugal ventilative disk 7, centrifugal ventilative disk 7 is positioned at ventilative grid 15, have between centrifugal ventilative disk 7 sidewall and ventilative grid 15 width in this space, space be 50 ~ 200mm it, have slit between centrifugal ventilative disk 7 and centrifugal selection by winnowing groove 6 top, the height of this slit is 20 ~ 100mm; Rotating shaft 10 is connected with motor 11 by driving mechanism, and motor 11 is installed in frame 12.Vertically be provided with passage 2 in fan housing 3, passage 2 lower end is positioned at above centrifugal ventilative disk 7, and passage 2 upper end successively through fan housing 3 and wind channel 4, and is connected with funnel shaped feed hopper 1.
The shape of centrifugal ventilative disk 7 is dish type, umbrella shape or pot shape.Air inlet structure on circumference air intake cover 8 can be perforate, also can be air inlet duct.
Driving mechanism belt gear can be bevel gear drive, also can be Worm and worm-wheel gearing.
When using the present invention's centrifugal winnowing machine sorting seed: fed by feed hopper 1 by seed compound, seed is stacked into the center of centrifugal ventilative disk 7 through straight-through passage 2, and when centrifugal ventilative disk 7 is motionless, seed compound is not walked.Starter motor 11, motor 11 drives centrifugal ventilative disk 7 to rotate with certain speed, be piled up in seed compound on centrifugal ventilative disk 7 under centrifugal action, move to centrifugal ventilative disk 7 outer ring, now, start air-introduced machine 5, air-introduced machine 5 produces suction, formed distinguished and admirable in centrifugal selection by winnowing groove 6, this distinguished and admirable slit in centrifugal selection by winnowing groove 6 between centrifugal ventilative disk 7 and centrifugal selection by winnowing groove 6 enters fan housing 3, then enters in room formula bag-type dust cover 13 through wind channel 4.This is distinguished and admirable from the slit between centrifugal ventilative disk 7 and centrifugal selection by winnowing groove 6 upwards air inducing process, adjust wind speed, the seed that in seed compound, proportion is low waves to centrifugal ventilative disk 7 center position, enter in wind channel 4 by fan housing 3, flow to the wind into room formula bag-type dust cover 13, become impurity; Heavy seed does not drift dynamic with the wind, but moves to the edge of centrifugal ventilative disk 7 under the influence of centrifugal force, and centrifugal ventilative disk 7 of finally being dished out, enters centrifugal selection by winnowing groove 6, become certified seed, discharges from breeding row mouth 14.
The centrifugal winnowing machine of the present invention utilizes the centrifugal force of centrifugal ventilative disk 7 to accelerate dispersion grain, and the kinetic energy widening various thing grain is poor, and rejects light assorted by the principle of pneumatic separating, realizes breeding sorting.What substantially increase seed processing equipment sorts efficiency, improves processing output, improves seed qualification rate, reduces energy consumption, reduces environmental pollution, for the development also of China's agricultural seed is done one's bit.
Centrifugal principle increases the kinetic energy of breeding, and the kinetic energy increasing weight material is poor, enhances the separating effect of weight material, changes the detaching direction of weight material, make separation more directly, quicker, decrease the interference between different material.The advantage of the centrifugal winnowing machine of the present invention is that centrifugal ventilative disk 7 peptizaiton is good, the bed of material is by thick thinning, breeding and impurity fully disperse, good prerequisite condition is provided for being separated, separation angle is good, overcome the collision of the different material that the vertical counter motion of freely falling body mode causes in miscellaneous equipment, the disorder of the seed bed that the motion also overcoming sieve causes.Expand adaptability, improve production environment.
The effect of centrifugal ventilative disk 7 has two, and one is can realize feeding of material more easily, and during disc rotary, centrifugal action makes the centrifugal operation of material, and disk stops, and material natural packing does not flow automatically.Two when being disc rotaries, and material is dispersed to surrounding from center.Disc rotary speed determines rate of dispersion, also with regard to the desk-top output of decision device.
The round pie sorting chamber that between centrifugal ventilative disk 7 and centrifugal selection by winnowing groove 6 top, formation one is narrow, the size of this narrow sorting chamber can improve the flow velocity of wind, and when realizing the reasonable flow rate of sorting, its effect is the design capacity that can reduce blower fan.Centrifugal ventilative disk 7 changes the angle in weight separating substances path, makes the angle of departure of in existing equipment 180 ° become about 90 °, avoids normal impact interference.Realize the direct isolated at suction of weight material, make separation more direct, more effectively.
Passage 2 and feed hopper 1 form feeder, and this feeder and centrifugal ventilative disk 7 are combined, and both ensure that the fast efficient of feed, have achieved again the sealing of air, make air to greatest extent for sorting.This winnowing machine adopts negative-pressure ward mode, light assorted once separation is entered air channel by negative-pressure ward, efficiently.
Room formula bag-type dust cover 13 can collect light assorted and dust, reaches operation process free from dust, pollution-free, namely protects the healthy of operating personnel, has also accomplished environmental nonpollution, achieves clean environment firendly and produces.
Claims (7)
1. the centrifugal winnowing machine of seed, it is characterized in that, comprise frame (12), frame (12) is provided with inverted barrel-shaped centrifugal selection by winnowing groove (6), centrifugal selection by winnowing groove (6) lower end is connected with barrel-shaped circumference air intake cover (8), openend and centrifugal selection by winnowing groove (6) lower end of circumference air intake cover (8) are affixed, circumference air intake cover (8) bottom is provided with breeding row's mouth (14), centrifugal selection by winnowing groove (6) top is provided with the fan housing (3) that inner and centrifugal selection by winnowing groove (6) inside is communicated with, centrifugal selection by winnowing groove (6) top is provided with annular ventilative grid (15) towards the sidewall of circumference air intake cover (8), fan housing (3) upper end is communicated with one end of horizontally disposed wind channel (4), and the other end of wind channel (4) is communicated with room formula bag-type dust cover (13) by air-introduced machine (5), circumference air intake cover (8) is provided with air inlet structure, beam barrel support (9) is provided with in circumference air intake cover (8), beam barrel support (9) is vertically provided with can around the rotating shaft of own axis (10), rotating shaft (10) upper end is horizontally installed with centrifugal ventilative disk (7), centrifugal ventilative disk (7) is positioned at ventilative grid (15), there is space between centrifugal ventilative disk (7) sidewall and ventilative grid (15), between centrifugal ventilative disk (7) and centrifugal selection by winnowing groove (6) top, have slit, rotating shaft (10) is connected with motor (11) by driving mechanism, passage (2) is vertically provided with in fan housing (3), passage (2) lower end is positioned at centrifugal ventilative disk (7) top, passage (2) upper end through fan housing (3) and wind channel (4), is connected with funnel shaped feed hopper (1) successively.
2. the centrifugal winnowing machine of seed according to claim 1, is characterized in that, described circumference air intake cover (8) is stage body, and the larger end of circumference air intake cover (8) diameter is openend, this openend and centrifugal selection by winnowing groove (6) lower end affixed.
3. the centrifugal winnowing machine of seed according to claim 1, is characterized in that, rotating shaft (10) top is provided with abrasionproof nut.
4. the centrifugal winnowing machine of seed according to claim 1, is characterized in that, between centrifugal ventilative disk (7) sidewall and ventilative grid (15), the width in space is 50 ~ 200mm.
5. the centrifugal winnowing machine of seed according to claim 1, is characterized in that, between centrifugal ventilative disk (7) and centrifugal selection by winnowing groove (6) top, the height of slit is 20 ~ 100mm.
6. the centrifugal winnowing machine of seed according to claim 1 or 5, it is characterized in that, the shape of described centrifugal ventilative disk (7) is dish type, umbrella shape or pot shape.
7. the centrifugal winnowing machine of seed according to claim 1, is characterized in that, described driving mechanism adopts belt gear, bevel gear drive or Worm and worm-wheel gearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062659.9A CN105537118A (en) | 2016-01-29 | 2016-01-29 | Seed centrifugal winnowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062659.9A CN105537118A (en) | 2016-01-29 | 2016-01-29 | Seed centrifugal winnowing machine |
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| Publication Number | Publication Date |
|---|---|
| CN105537118A true CN105537118A (en) | 2016-05-04 |
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ID=55816950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610062659.9A Pending CN105537118A (en) | 2016-01-29 | 2016-01-29 | Seed centrifugal winnowing machine |
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| Country | Link |
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| CN (1) | CN105537118A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413650A (en) * | 2017-06-07 | 2017-12-01 | 河南龙昌机械制造有限公司 | A kind of fine powder winnowing machine |
| CN108745492A (en) * | 2018-04-09 | 2018-11-06 | 浙江群大饲料科技股份有限公司 | A kind of crushing dust-extraction unit of processing chicken feed |
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| CN85202318U (en) * | 1985-06-13 | 1986-07-30 | 高信光 | Impeller winnower |
| US4742919A (en) * | 1986-04-11 | 1988-05-10 | Beloit Corporation | Rotating separator |
| CN2359011Y (en) * | 1999-03-05 | 2000-01-19 | 蔡塔 | High-efficient compound centrifugal powder selective separation machine |
| CN102485352A (en) * | 2010-12-03 | 2012-06-06 | 中国石油天然气集团公司 | Composite separated type sand separation method and sand separation machine |
| CN105195424A (en) * | 2015-09-28 | 2015-12-30 | 卢存光 | Centrifugal screen type particle separator |
| CN205518629U (en) * | 2016-01-29 | 2016-08-31 | 嘉峪关鸿禄泰设备制造有限责任公司 | Seed centrifugation air separator |
-
2016
- 2016-01-29 CN CN201610062659.9A patent/CN105537118A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85202318U (en) * | 1985-06-13 | 1986-07-30 | 高信光 | Impeller winnower |
| US4742919A (en) * | 1986-04-11 | 1988-05-10 | Beloit Corporation | Rotating separator |
| CN2359011Y (en) * | 1999-03-05 | 2000-01-19 | 蔡塔 | High-efficient compound centrifugal powder selective separation machine |
| CN102485352A (en) * | 2010-12-03 | 2012-06-06 | 中国石油天然气集团公司 | Composite separated type sand separation method and sand separation machine |
| CN105195424A (en) * | 2015-09-28 | 2015-12-30 | 卢存光 | Centrifugal screen type particle separator |
| CN205518629U (en) * | 2016-01-29 | 2016-08-31 | 嘉峪关鸿禄泰设备制造有限责任公司 | Seed centrifugation air separator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413650A (en) * | 2017-06-07 | 2017-12-01 | 河南龙昌机械制造有限公司 | A kind of fine powder winnowing machine |
| CN108745492A (en) * | 2018-04-09 | 2018-11-06 | 浙江群大饲料科技股份有限公司 | A kind of crushing dust-extraction unit of processing chicken feed |
| CN108745492B (en) * | 2018-04-09 | 2023-08-18 | 浙江群大饲料科技股份有限公司 | Smashing and dedusting device for processing chicken feed |
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Application publication date: 20160504 |
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