CN103551313A - Air screen seed cleaning machine with dual duct system - Google Patents
Air screen seed cleaning machine with dual duct system Download PDFInfo
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- CN103551313A CN103551313A CN201310546511.9A CN201310546511A CN103551313A CN 103551313 A CN103551313 A CN 103551313A CN 201310546511 A CN201310546511 A CN 201310546511A CN 103551313 A CN103551313 A CN 103551313A
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Abstract
The invention relates to an air screen seed cleaning machine with a dual duct system, and belongs to the field of seed processing equipment. The air screen seed cleaning machine comprises a rack, a feeding system, a screening system, a screening driving device, a lower air chamber, a settling system and a spiral dust removal system, wherein the feeding system is positioned in front of the upper part of the rack, and a lower air chamber is positioned below the rack; an outlet of the lower air chamber is communicated with a lower duct, and the screening system is arranged between the feeding system and the lower air chamber and consists of an upper screen box and a lower screen box; a lower screen piece of the lower screen box is connected with a discharge port, and the settling system is positioned at the back of the upper part of the rack and consists of a front settling chamber and a back settling chamber; the front settling chamber is communicated with the feeding system, and the back settling chamber is communicated with the lower duct; the spiral dust removal system comprises front and back spiral dust removal devices, and the front and back settling chambers respectively lead to the front and back spiral dust removal devices through front and back ducts arranged at the top of the rack. By adopting a novel structure of independent dual air chambers and dual ducts, air pressure is separately controlled, and the air volumes of the front and back settling chambers are respectively adjusted, so that the seed cleaning efficiency and quality are greatly improved.
Description
Technical field
Double duct system Winnowing type seed purifier of the present invention belongs to seed processing equipment field.
Background technology
Wind screen type seed sorting machine is the capital equipment of seed and grain cleaning processing, and it mainly utilizes sieve by heavily assorted or large assorted removal the in seed and cereal, and the suction that utilizes blower fan to produce will gently be mixed or pathology seed is removed from good seed.If the patent No. is " 01263080.2 ", name is called the utility model patent of " Wind screen type seed sorting machine ", it is equipped with induced-draught fan at middle part, frame top, form " upper and lower two wind is " structure, although " single wind system " before has the effect of light assorted or pathology seed preferably, yet because front and back expansion chamber shares induced-draught fan on a platform, cannot distinguish the air force in expansion chamber before and after accurately adjusting, to operation, bring very large difficulty.
Summary of the invention
The object of the invention is to propose a kind of double duct system Winnowing type seed purifier, it is that the weak point that single air channel structure exists is improved for the windward in background technology, adopt the independently two air channels of double-wind chamber, improve crudy and the production efficiency of seed.
The object of the present invention is achieved like this: double duct system Winnowing type seed purifier comprises frame, feed system, screening system, screening drive unit, lower air chamber, sedimenting system and spiral dust pelletizing system, feed system is positioned at frame upper front part, lower air chamber is positioned at frame below, and lower air chamber's outlet communicates with lower air duct; Between feed system and lower air chamber, be equiped with screening system, it forms ，Xia screen box subordinate sieve by upper screen box and lower screen box and is connected with discharging opening; Sedimenting system is positioned at rear portion, frame top, front expansion chamber and rear expansion chamber, consists of, and in the middle of two expansion chambers, is provided with dividing plate, and front expansion chamber communicates with feed system, and rear expansion chamber communicates with lower air duct; Spiral dust pelletizing system comprises forward and backward spiral dust catcher, and front expansion chamber leads to front spiral dust catcher through the primary air separating duct of frame top, and rear expansion chamber air channel after frame top leads to rear screw deduster.
Forward and backward top of settling chamber is respectively equiped with pressure-reducing valve.
Lower screen box is equiped with successively from top to bottom fall plate, macrospecies diversion component, macrospecies of lower upper sieve, microspecies and drops down plate and lower sieve, wherein fall plate and macrospecies of microspecies dropped down and between plate, is equiped with microspecies and drops down plate, and macrospecies diversion component and microspecies are dropped down and between plate, had the passage that leads to lower sieve for microspecies; Macrospecies diversion component comprises at least one group of deflector, mozzle, and mozzle drops down plate through microspecies and drops down plate with macrospecies and communicate.
Next-door neighbour's microspecies plate that falls also has a chute with slanting baffle, for stopping that the seedlet that microspecies fall on plate falls into macrospecies diversion component.
Deflector and mozzle can arrange many groups according to refiner size, adjacent two deflectors form the Delta Region of top sealing, relative two deflectors form the uncovered trapezoid area in top, and mozzle is positioned at trapezoid area, and the large seed falling into from lower top sieve sheet is imported to mozzle.
The lower upper sieve of next-door neighbour also has an additional chute, and described additional chute has a macrospecies passage, makes the large seed in lower upper sieve better fall into macrospecies diversion component along passage.
The fall chute of plate of next-door neighbour's microspecies is equiped with two slanting baffles, and two slanting baffles form macrospecies passages, make the large seed of lower upper sieve better fall into macrospecies diversion component along passage.
The passage of chute and additional chute is evenly equiped with reinforcement.
Beneficial effect of the present invention is: by adopting the independently two air channels of double-wind chamber, i.e. independently forward and backward air compartment and independently dust pelletizing system, realize blast and control respectively, adjust respectively the air force of forward and backward expansion chamber, purification of seeds effect and quality is greatly improved; Meanwhile, at lower screen box, partly introduce diversion component, for large seed, open up different passages from seedlet, improved seed screening effeciency, and greatly reduced the load of lower sieve.
Accompanying drawing explanation: concrete structure of the present invention is provided by following drawings and Examples:
Fig. 1 is the double duct system Winnowing type seed purifier overall structure schematic diagram of embodiment 1;
Fig. 2 is the lower screen box structural representation of embodiment 2;
Fig. 3 is the chute top view of embodiment 2;
Fig. 4 is the macrospecies diversion component top view of embodiment 2;
Fig. 5 is the macrospecies diversion component front view of embodiment 2;
Fig. 6 is the lower screen box structural representation of embodiment 3;
Fig. 7 is the additional chute top view of embodiment 3;
Fig. 8 is the chute top view of embodiment 3;
Fig. 9 is the additional chute top view with reinforcement of embodiment 4;
Figure 10 is the chute top view with reinforcement of embodiment 4.
Legend: 1. feed system, 2. primary air separating duct, 3. primary air separating duct blower fan, 4. front spiral dust catcher, 5. front expansion chamber pressure-reducing valve, 6. rear expansion chamber pressure-reducing valve, 7. rear air channel blower fan, 8. rear screw deduster, 9. rear air channel, 10. front expansion chamber, 11. rear expansion chambers, 12. lower air ducts, 13. times inlet scoops, 14. discharging openings, 15. lower air chamber, 16 times screen boxs, 17. screening drive units, screen box on 18., 19. times upper sieves, the 20. microspecies plate that falls, 21. microspecies are dropped down plate, 22. macrospecies are dropped down plate, 23. times lower sieves, 24. macrospecies diversion components, 25. chutes, 26. additional chutes, 27. microspecies passages, 28. mozzles, 29. deflectors, 30. macrospecies passages, 31. reinforcements.
The specific embodiment: the present invention is not subject to the restriction of following embodiment, can determine concrete embodiment according to technical scheme of the present invention and actual conditions.
Embodiment 1: as shown in Figure 1, double duct system Winnowing type seed purifier comprises frame, feed system 1, screening system, screening drive unit 17, lower air chamber 15, sedimenting system and spiral dust pelletizing system, feed system 1 is positioned at frame upper front part, lower air chamber 15 is positioned at frame below, and lower air chamber's 15 outlets communicate with lower air duct 12; Between feed system 1 and lower air chamber 15, be equiped with screening system, it is comprised of upper screen box 18 and lower screen box 16, and lower screen box 16 subordinate's sieves are connected with discharging opening 14; Sedimenting system is positioned at rear portion, frame top, comprises the middle dividing plate that is provided with of 11, two expansion chambers of front expansion chamber 10 and rear expansion chamber, and wherein front expansion chamber 10 communicates with feed system 1, and rear expansion chamber 11 communicates with lower air duct 21; Spiral dust pelletizing system comprises front spiral dust catcher 4 and rear screw deduster 8, and front expansion chamber 10 leads to front spiral dust catcher 4 through the primary air separating duct 2 of frame top, and rear expansion chamber 11 air channel 9 after frame top leads to rear screw deduster 8; Front expansion chamber 10 tops are equiped with front expansion chamber pressure-reducing valve 5, and rear expansion chamber 11 tops are equiped with rear expansion chamber pressure-reducing valve 6.
During work, seed enters Winnowing type seed purifier through feed system 1, in front expansion chamber 10 and primary air separating duct 2 under suction function, light assorted and dust in seed enters front expansion chamber 10, because front expansion chamber 10 volumes increase, pressure drop, gently assortedly drops on that front expansion chamber 10 is interior is discharged by impurities removal screw feeder, dust enters front spiral dust catcher 4 through primary air separating duct 2, has so far realized except light assorted and dust; Except the seed after light, dedusting falls into screen box 18, upper screen box 18 comprises two-layer sieve, ground floor sieve is by large the mixing in seed, and as stone, soil block, fragment of brick and metal etc. screen, second layer sieve will be removed than large assorted little and larger than seed foreign material sieve in seed; After first and second layer of sieve, preferably seed falls into lower screen box 16, and seed is discharged to discharging opening 14, so far realized seed except large assorted, in assorted; During discharging opening 14 seeds process 12 times inlet scoops 13 of lower air duct, place, under the effect of lower air duct 12 suction, by the flat seed at discharging opening 14 places or pathology seed and dust by expansion chamber 11 after lower air duct 12 inspirations, in rear expansion chamber 11, because volume increases, pressure drop, flat seed or pathology seed fall into rear expansion chamber 11 and are discharged by impurities removal screw feeder, dust through after air channel 9 enter rear screw deduster 8, so far realized except flat seed or pathology kind and final dusting.
In the course of the work, can according to front expansion chamber 10 and rear expansion chamber 11 except situation light assorted, dedusting, adjust respectively front expansion chamber pressure-reducing valve 5 and rear expansion chamber pressure-reducing valve 6, to reach best seed cleaning effect.
Embodiment 2: as shown in Figure 2-5, lower screen box 16 is equiped with successively from top to bottom fall plate 20, macrospecies diversion component 24, macrospecies of lower upper sieve 19, microspecies and drops down plate 22 and lower sieve 23, wherein fall plate 20 and macrospecies of microspecies dropped down and between plate 22, is equiped with microspecies and drops down plate 21, and macrospecies diversion component 24 and microspecies are dropped down and between plate 21, had the passage that leads to lower sieve 23 for microspecies; Macrospecies diversion component 24 comprises three groups of deflectors 29, mozzle 28, and mozzle 28 drops down plate 21 through microspecies and drops down plate 22 with macrospecies and communicate.Next-door neighbour's microspecies plate 20 that falls also has a chute 25 with slanting baffle, for stopping that the seedlet that microspecies fall on plate 20 falls into macrospecies diversion component 24; Adjacent two deflectors 29 form the Delta Region of top sealing, and relative two deflectors 29 form the uncovered trapezoid area in top, and mozzle 28 is positioned at trapezoid area, and the large seed falling into from lower upper sieve 19 is imported to mozzle 28.All the other are all identical with embodiment 1.
During work, seed falls into lower screen box 16 after first and second layer of sieve, and the large seed in seed is stayed in lower upper sieve 19, and the motion of the route shown in single line arrow in Fig. 2, falls into macrospecies and drops down plate 22; Seedlet falls from lower upper sieve 19 sieve apertures, and the motion of the route shown in double-lined arrow in Fig. 2, falls in lower sieve 23.All the other are all identical with embodiment 1.
In lower screen box 16 parts, introduce macrospecies diversion component 24, for large seed, open up different passages from seedlet, reduced the load of time lower sieve 23, both saved the energy, can improve hourly output and quality again.
Embodiment 3: as shown in Fig. 6-8, the lower upper sieve 19 of next-door neighbour also has an additional chute 26, and described additional chute 26 has a macrospecies passage 30, makes the large seed in lower upper sieve 19 better fall into macrospecies diversion component 24 along passage.The fall chute 25 of plate 20 of next-door neighbour's microspecies is equiped with two slanting baffles, and two slanting baffles form macrospecies passages 30, make the large seed of lower upper sieve 19 better fall into macrospecies diversion component 24 along passage.All the other are all identical with embodiment 2.
Embodiment 4: as shown in Fig. 9-10, chute 25 is evenly equiped with reinforcement 31 with the passage of additional chute 26.All the other are all identical with embodiment 3.
Obviously, above-mentioned explanation of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.Every still row in protection scope of the present invention of apparent variation that technical scheme of the present invention amplifies out or change that belong to.
Claims (8)
1. a double duct system Winnowing type seed purifier, comprise frame, feed system, screening system, screening drive unit, lower air chamber, sedimenting system and spiral dust pelletizing system, feed system is positioned at frame upper front part, and lower air chamber is positioned at frame below, and lower air chamber's outlet communicates with lower air duct; Between feed system and lower air chamber, be equiped with screening system, it forms ，Xia screen box subordinate sieve by upper screen box and lower screen box and is connected with discharging opening; Sedimenting system is positioned at rear portion, frame top, it is characterized in that: sedimenting system comprises front expansion chamber and rear expansion chamber, and in the middle of two expansion chambers, be provided with dividing plate, front expansion chamber communicates with feed system, and rear expansion chamber communicates with lower air duct; Spiral dust pelletizing system comprises forward and backward spiral dust catcher, and front expansion chamber leads to front spiral dust catcher through the primary air separating duct of frame top, and rear expansion chamber air channel after frame top leads to rear screw deduster.
2. double duct system Winnowing type seed purifier as claimed in claim 1, is characterized in that: forward and backward top of settling chamber is respectively equiped with pressure-reducing valve.
3. double duct system Winnowing type seed purifier as claimed in claim 1 or 2, it is characterized in that: lower screen box is equiped with successively from top to bottom fall plate, macrospecies diversion component, macrospecies of lower upper sieve, microspecies and drops down plate and lower sieve, wherein fall plate and macrospecies of microspecies dropped down and between plate, is equiped with microspecies and drops down plate, and macrospecies diversion component and microspecies are dropped down and between plate, had the passage that leads to lower sieve for microspecies; Macrospecies diversion component comprises at least one group of deflector, mozzle, and mozzle drops down plate through microspecies and drops down plate with macrospecies and communicate.
4. double duct system Winnowing type seed purifier as claimed in claim 3, is characterized in that: next-door neighbour's microspecies plate that falls also has a chute with slanting baffle, for stopping that the seedlet that microspecies fall on plate falls into macrospecies diversion component.
5. double duct system Winnowing type seed purifier as claimed in claim 3, it is characterized in that: deflector and mozzle can arrange many groups according to refiner size, adjacent two deflectors form the Delta Region of top sealing, relative two deflectors form the uncovered trapezoid area in top, mozzle is positioned at trapezoid area, and the large seed falling into from lower top sieve sheet is imported to mozzle.
6. double duct system Winnowing type seed purifier as claimed in claim 3, it is characterized in that: the lower upper sieve of next-door neighbour also has an additional chute, described additional chute has a macrospecies passage, makes the large seed in lower upper sieve better fall into macrospecies diversion component along passage.
7. double duct system Winnowing type seed purifier as claimed in claim 4, it is characterized in that: the fall chute of plate of next-door neighbour's microspecies is equiped with two slanting baffles, two slanting baffles form macrospecies passage, make the large seed of lower upper sieve better fall into macrospecies diversion component along passage.
8. the double duct system Winnowing type seed purifier as described in claim 4 or 6, is characterized in that: the passage of chute and additional chute is evenly equiped with reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310546511.9A CN103551313B (en) | 2013-11-07 | 2013-11-07 | Double duct system Winnowing type seed purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310546511.9A CN103551313B (en) | 2013-11-07 | 2013-11-07 | Double duct system Winnowing type seed purifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103551313A true CN103551313A (en) | 2014-02-05 |
| CN103551313B CN103551313B (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310546511.9A Expired - Fee Related CN103551313B (en) | 2013-11-07 | 2013-11-07 | Double duct system Winnowing type seed purifier |
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| CN (1) | CN103551313B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000885A (en) * | 2016-05-30 | 2016-10-12 | 王星竹 | Air-screen type crop seed grader |
| CN106076847A (en) * | 2016-06-21 | 2016-11-09 | 益阳市大通湖曾大姐绿色农产品有限公司 | A kind of automatic seed selection machine hanging melon seed |
| CN110465495A (en) * | 2019-09-04 | 2019-11-19 | 农业农村部南京农业机械化研究所 | A kind of high-efficiency seed cleaner |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT397050B (en) * | 1986-12-18 | 1994-01-25 | Rheinische Werkzeug & Maschf | SCREENING MACHINE |
| CN201020450Y (en) * | 2007-04-19 | 2008-02-13 | 郑州粮机股份有限公司 | Highly effective circulation wind cylinder dressing sieve |
| CN201632422U (en) * | 2010-01-08 | 2010-11-17 | 石家庄三立谷物精选机械有限公司 | High efficiency grain cleaning vehicle |
| CN102225398B (en) * | 2011-04-25 | 2012-10-03 | 山东和美集团有限公司 | Grain impurity removing device |
| CN203540928U (en) * | 2013-11-07 | 2014-04-16 | 石河子市华农种子机械制造有限公司 | Air-screen type seed classificator of double-air-duct system |
-
2013
- 2013-11-07 CN CN201310546511.9A patent/CN103551313B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000885A (en) * | 2016-05-30 | 2016-10-12 | 王星竹 | Air-screen type crop seed grader |
| CN106076847A (en) * | 2016-06-21 | 2016-11-09 | 益阳市大通湖曾大姐绿色农产品有限公司 | A kind of automatic seed selection machine hanging melon seed |
| CN110465495A (en) * | 2019-09-04 | 2019-11-19 | 农业农村部南京农业机械化研究所 | A kind of high-efficiency seed cleaner |
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| CN103551313B (en) | 2015-09-09 |
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Granted publication date: 20150909 Termination date: 20191107 |
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