CN105027847A - No-damage threshing system for harvesting corn kernels - Google Patents
No-damage threshing system for harvesting corn kernels Download PDFInfo
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- CN105027847A CN105027847A CN201510231262.3A CN201510231262A CN105027847A CN 105027847 A CN105027847 A CN 105027847A CN 201510231262 A CN201510231262 A CN 201510231262A CN 105027847 A CN105027847 A CN 105027847A
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- seed
- corncob
- threshing
- damage
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Abstract
The invention aims to settle the defects of severe kernel crush, low separation effect and large number of kernels which remain on a trash in home and abroad existing corn kernel harvesters. The technical solution of a no-damage threshing system for harvesting corn kernels is characterized in that a conical flow guiding roller housing, a pressure floating grid (pore plate), spiral abnormal-shaped rubber spike tooth are used for performing rubbing and threshing in a structure design. The manufacture method of the no-damage threshing system for harvesting the corn kernels is characterized in that structure dimension design of the threshing system is performed according to the structure dimension layout of a corn kernel harvester; the conical flow guiding roller housing is arranged at the upper part, and the conical floating grid (pore plate) is arranged at the lower part; a spiral abnormal-shaped no-damage rubbing rubber spike-tooth design is adopted for the roller; and a winnowing and screening composite operation structure is used in a choosing system. The no-damage threshing system aims to settle the defects of severe kernel crush, low separation effect and large number of kernels which remain on a trash in existing corn kernel harvesters. The structure of the no-damage corn kernel harvester which is designed in a three-dimensional manner is shown in a picture.
Description
Technical field: machinery
Background technology:
at present, the situation that when corn kernel harvesters all both at home and abroad all also exists grain harvest, seed damage is serious, seed damage rate reaches 5%---18%, in corn maturity bad or moisture content is greater than 255 even reach more than 25%, peasant can not accept such grain loss.And corn seed output is 1/3rd of conventional corn output, output is lower many, so more can not accept so high breakage rate.Particularly broken corn seed is all the excellent individuality of seed, because excellent well ontogenetic of seed, the threshing part that the kernel direct that simple grain volume is just large and present is received exactly is destroyed seriously him, and seed separation is unclear, and impurities removal has seed to carry secretly.So must redesign existing corn kernel harvester.
Summary of the invention: corn kernel results are exempted to damage threshing system, comprise following major system components
Conical flow guiding cylinder, shell, floating lattice coral (orifice plate) combination of clothes pressure, the design of spiral shaped rubber spike-tooth, rubbing threshing structure.
Foreword
Corn is cereal important in the world.Gross yield has exceeded paddy and wheat, occupies first place in the world.Not only productive potential are large for corn, high financial profit, and have edible, feeding and multiple industrial use.China's Maize Production is comparatively fast developed, and no matter is sowing area, or per unit area yield and the trend of gross yield all in steady growth.Due to national Push Forward Urbanization Development, the rural area young labour of major part goes down town, rural area mechanization is universal very fast, land intensification is implemented, more to realize based on do mechanization operation, so agricultural machinery development prospect is wide, State Council in 2015 works in coordination with the Ministry of Agriculture, Ministry of Industry and Information's dispatch requires that in next three years, staple crops such as corn, wheat, paddy rice, soybean etc. will realize planting entire mechanization, so the demand of this Project Product is extremely urgent.
Originality is stated
State that the material submitted is the invention achievement that research and design work that I independently carries out obtains.
Goal of the invention:
Solve " namely travelling in speed change under varying duty duty of current corn seed grain harvester existence, when frequently there is large micromutation in feed quantity " threshing that causes is not clean, particularly seed damage rate is too high, Bao Ye, assorted remaining can not get rid of clean and get rid of and carry the many problems of seed secretly.
Present situation on product:
Not this homogeneous structure is investigated in external, domestic corn kernel harvest equipment according to us.
Summary of the invention and technology path
The design of this husker sheller. based on the basic functional principle of husker sheller, functional only innovative design in addition, and carry out overall plan optimization.
Designing requirement
To the service behaviour of thresher, except sturdy and durable, fault is few, simple and reliable for structure, easy maintenance.Also meet 3 requirements: broken little with damage, otherwise can germination rate be reduced, not easily store, commodity is poor, availability is low.Loss will be lacked, and impurities removal is clean.Seed cleannes want high, and the foreign material be mingled with will lack.
General structure
See accompanying drawing
Technological process
Corncob---decortication-------threshing------impurities removal
Seed------selection by winnowing------screening------removal of impurities
-----elevator received by collection
Operation principle
Corn feeds from feeding mouth 1, because the position in the dropping process of corncob is random, first it contact with spiral plate 2, be subject to the progradation of spiral plate, corncob rotates with cylinder 3, corncob, under centrifugal force and the acting in conjunction of spiral plate thrust, moves downward along cylinder axis direction with spiral gear hobbing 4.In the process of lower portion motion, at a time, ajust self-position (axis direction of corncob and cylinder 3 axis being parallel), because drum shaft is under the effect of centrifugal force, corncob, along paralleling to the axis direction self rotary motion, under the effect of the impact and tangential friction force that are subject to cylinder shell 5 frictional force and spiral spike-tooth 4, rotates around own axes, purify Bao Ye simultaneously, start threshing afterwards.After threshing starts; because rotational velocity is with increasing with basket centrifuges power; threshing is more and more faster; corncob seed has taken off very soon; the seed that corn is taken off falls through orifice plate 6. in the process dropping to top sieve 7; owing to being subject to the effect of blower fan 13 blowing force; first impurity large for showy property cleaned away; the impurity that quality is large and seed; directly drop to the top sieve 7 li below cylinder, by cleaning of top sieve 7, impurity large for diameter is screened away; seed and little assorted remaining the dropping to seed from top sieve of diameter sieve 8, reclaim flood dragon 9 simultaneously move to seed.In motion process, be subject to the sorting of lower sieve 8, the small impurities mixed carried out secondary clean in seed, to ensure the cleannes of seed, finally by seed elevator 10, corn kernel is reclaimed flood dragon 9 from seed and outputs to seed storehouse., be rejected to recovery sieve 14 by the corncob of through threshing at straw outlet 12, few part is carried secretly seed and is reclaimed at recovery sieve 14.
The design of original creation modular construction
1. tapered cylinder physical dimension design and data determine
2. floating type conical grating (orifice plate), the design of tapered cylinder shell physical dimension and data are determined
The design of power physical dimension is bent in the work taking pressing spring and data are determined.
3. rubber the opposite sex spike-tooth physical dimension design and data determine.
4. design drawing is shown in accompanying drawing
Prototype fabrication and test
Prototype fabrication:
Due to make material, technique, technical ability level limited, model machine fails to embody design level completely, but overall structure can design of expression require and the function of tonic chord can realize.
Prototype experiment:
First time test: opaque not snap corn test, find that the percentage of damage that spiral rasp bar causes is higher, take pressing spring adjustment tension, the gap of grid orifice plate and threshing spike-tooth is less than corncob diameter, cause corncob percentage of damage very high, seed is excessive containing mixing, under bolter normal frequency, be separated unclear, discharge gate is not smooth.
Second time test: same corn variety belt leather threshing, is improved the four problems that first time finds, is tested.The problem that first time finds all solves, but the setting angle deviation of spiral handspike after improving is large, causes instead tell and knock grain.
Third time test: same corn variety belt leather threshing, the problem that second time finds improved, carry out different corn variety, different feed quantity, the lobate condition comprehensive experiment of different pones, result of the test is satisfaction very simultaneously.
Experimental result:
Meet the quality requirement of " corn threshing architecture quality assessment technique specification ministerial level standard NY/T1014-2006 " completely.
Prototype test in November, 2014, obtains complex experiment station, Chinese Academy of Sciences Yucheng corn kernel and is directly incorporated as industry accreditation.
Sum up:
According to Comprehensive Experiment result, the corn kernel results of our original creation are exempted to damage threshing structure, belong to and initiating both at home and abroad, superior performance.
Possess independently intellectual property and application for a patent for invention condition.
The project of application patent of invention
1. diminished shaft stream roller, the float overall structure and core component that take pressure type combination threshing system.
2. taper axial flow grid and (orifice plate), diminished shaft stream roller room.
3. elastic garment pressure type threshing cylinder combination.
4. shaped rubber threshing spike-tooth.
Figure of description
Fig. 1: 3-D view screw rod
Fig. 2: 3-D view spring
Fig. 3: 3-D view pad
Fig. 4: 3-D view nut
Fig. 5: 3-D view orifice plate " grid "
Fig. 6: 3-D view cylinder combines
Fig. 7: 3-D view threshing chamber upper cover
Fig. 8: 3-D view clothes pressure combined mechanism
Fig. 9: 3-D view corn kernel results are exempted to damage detachment system
Figure 10: corn kernel results exempt from damage detachment system CAD end view
Figure 11: corn kernel results exempt from damage detachment system CAD front view
Figure 12: corn kernel results are exempted from damage detachment system CAD parts and indicated side
Figure 13: corn kernel results are exempted from damage detachment system CAD parts and indicated front
Figure 14: corn kernel results exempt from the locations of structures schematic diagram of damage detachment system on maize harvesting machine
Figure 15: corn kernel results exempt from damage detachment system CAD end view
Figure 16: corn kernel results exempt from damage detachment system normotopia photo
Figure 17: corn kernel results exempt from damage position, detachment system side photo
Figure 18: corn kernel results exempt from damage detachment system compages right photograph on maize harvesting machine
Figure 19: corn kernel results exempt from damage detachment system compages left photo on maize harvesting machine
Figure 20: the 3-D view of special-shaped rubber spike-tooth
Figure 21: corn kernel results are exempted from damage detachment system CAD parts and indicated side.
Claims (9)
1. claims
Corncob feeds from feeding mouth 1, because the state in the dropping process of corncob is random namely unordered in a jumble, first it contact with spiral plate 2, be subject to the progradation of spiral plate, corncob rotates with cylinder 3, corncob, under centrifugal force and spiral thrust acting in conjunction, travels forward along cylinder axis direction with spiral gear hobbing 4.
2. in the process of anteriorly moving, at a time, ajust self-position (axis direction of corncob and cylinder 5 axis being parallel), under the effect of drum shaft to centrifugal force, corncob is along paralleling to the axis direction self rotary motion, under being subject to the effect of the screw propulsion power of cylinder shell 6 friction and spiral spike-tooth 4, corncob purifies Bao Ye when own axes rotates, starts threshing afterwards simultaneously.
3. after threshing starts; because rotational velocity is with increasing with basket centrifuges power; threshing is more and more faster; corncob seed has taken off very soon; the corn kernel that corncob is taken off falls through orifice plate 7. drop in the process of top sieve; owing to being subject to the effect of blower fan 8 blowing force; first impurity large for showy property cleaned away; the impurity that quality is large and seed; directly drop to the top sieve 9 li below cylinder, by cleaning of top sieve 9, impurity large for diameter is screened away; seed and little assorted remaining the dropping to seed from top sieve of diameter are sieved on 10, reclaim flood dragon 11 simultaneously move to seed.
4. in motion process, be subject to the sorting of lower sieve 10, the small impurities mixed carried out secondary clean in seed, to ensure the cleannes of seed, finally by seed elevator 12, corn kernel is reclaimed flood dragon 11 from seed and outputs to seed storehouse 13.
5. be rejected to recovery sieve 15 by the corncob of through threshing at straw outlet 14, few part is reclaimed at recovery sieve 14 by the band seed pressed from both sides.
6. negative pressure is floated taper threshing cylinder room.
7. conical grating " orifice plate ".
8. the special-shaped threshing spike-tooth of rubber.
9. diminished shaft stream roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510231262.3A CN105027847A (en) | 2015-05-08 | 2015-05-08 | No-damage threshing system for harvesting corn kernels |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510231262.3A CN105027847A (en) | 2015-05-08 | 2015-05-08 | No-damage threshing system for harvesting corn kernels |
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| Publication Number | Publication Date |
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| CN105027847A true CN105027847A (en) | 2015-11-11 |
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| CN201510231262.3A Pending CN105027847A (en) | 2015-05-08 | 2015-05-08 | No-damage threshing system for harvesting corn kernels |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107343427A (en) * | 2017-08-30 | 2017-11-14 | 吉林大学 | A kind of axial-flow type Coupled Rigid-flexible profiling corn threshing device |
| CN107999166A (en) * | 2017-12-27 | 2018-05-08 | 定远县宏源农业机械有限公司 | A kind of Intelligentized regulating and controlling method of corn processing process |
| CN112492982A (en) * | 2020-11-25 | 2021-03-16 | 安徽传质信息科技有限公司 | High-frequency corncob processing and integrated mechanical equipment |
| CN116349505A (en) * | 2023-06-01 | 2023-06-30 | 黑龙江勃锦悍马农业装备制造有限公司 | Corn thresher capable of preventing corn injury |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5451184A (en) * | 1994-02-03 | 1995-09-19 | Hughes Company, Inc. | Corn husker rolls with auger relief |
| CN202535769U (en) * | 2012-04-10 | 2012-11-21 | 曾祥道 | Corn shelling threshing filtering machine |
| CN203554935U (en) * | 2013-11-07 | 2014-04-23 | 永州市励精机械制造有限公司 | Corn husking and threshing machine |
| CN203575144U (en) * | 2013-10-31 | 2014-05-07 | 中国科学院地理科学与资源研究所 | Fixed whole-corncob threshing machine |
-
2015
- 2015-05-08 CN CN201510231262.3A patent/CN105027847A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5451184A (en) * | 1994-02-03 | 1995-09-19 | Hughes Company, Inc. | Corn husker rolls with auger relief |
| CN202535769U (en) * | 2012-04-10 | 2012-11-21 | 曾祥道 | Corn shelling threshing filtering machine |
| CN203575144U (en) * | 2013-10-31 | 2014-05-07 | 中国科学院地理科学与资源研究所 | Fixed whole-corncob threshing machine |
| CN203554935U (en) * | 2013-11-07 | 2014-04-23 | 永州市励精机械制造有限公司 | Corn husking and threshing machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107343427A (en) * | 2017-08-30 | 2017-11-14 | 吉林大学 | A kind of axial-flow type Coupled Rigid-flexible profiling corn threshing device |
| CN107343427B (en) * | 2017-08-30 | 2021-11-19 | 吉林大学 | Axial-flow type rigid-flexible coupling copying corn threshing device |
| CN107999166A (en) * | 2017-12-27 | 2018-05-08 | 定远县宏源农业机械有限公司 | A kind of Intelligentized regulating and controlling method of corn processing process |
| CN112492982A (en) * | 2020-11-25 | 2021-03-16 | 安徽传质信息科技有限公司 | High-frequency corncob processing and integrated mechanical equipment |
| CN116349505A (en) * | 2023-06-01 | 2023-06-30 | 黑龙江勃锦悍马农业装备制造有限公司 | Corn thresher capable of preventing corn injury |
| CN116349505B (en) * | 2023-06-01 | 2023-08-15 | 黑龙江勃锦悍马农业装备制造有限公司 | Corn thresher capable of preventing corn injury |
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Application publication date: 20151111 |