CN101773024B - Self-priming composite roller type pre-cut rice threshing device - Google Patents
Self-priming composite roller type pre-cut rice threshing device Download PDFInfo
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- CN101773024B CN101773024B CN2010101193785A CN201010119378A CN101773024B CN 101773024 B CN101773024 B CN 101773024B CN 2010101193785 A CN2010101193785 A CN 2010101193785A CN 201010119378 A CN201010119378 A CN 201010119378A CN 101773024 B CN101773024 B CN 101773024B
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Abstract
The invention provides a self-priming composite roller type pre-cut rice threshing device. In the technical scheme, a feed port is arranged in front of a hood, an air outlet is arranged in the oblique upper direction of the rear part of the hood, a threshing roller and a screw auger are horizontally arranged in the hood, the screw auger is arranged in the rear lower direction of the threshing roller, and lower concave plate screens are arranged between the threshing roller and the screw auger at intervals. The self-priming composite roller type pre-cut rice threshing device is characterized in that an upper concave plate screen, a grading screen and an air outlet screen are additionally arranged, wherein the upper concave plate screen is close to the hood and is fixed between the upper end of the feed port and the upper end of the air outlet, the grading screen is close to the outer walls of the lower concave plate screens and is fixedly connected with end covers, the air outlet screen fixedly blocks the air outlet, the threshing roller comprises a roller screen, a roller sleeved in the roller screen and a plurality of fan blades fixedly connected between the roller screen and the roller, the roller screen and the roller are fixedly connected to form a double-layer composite roller; and spike teeth are linearly arranged on the outer wall of the roller screen, and arch-toothed waved lines are arranged on the outer wall of the roller screen. The invention has the advantages of simple and compact structure, high operating efficiency, high grain threshing efficiency and low loss rate.
Description
Technical field
The present invention provides a kind of self-priming composite roller type pre-cut rice threshing device, belongs to agricultural machinery technological field.
Background technology
The harvest technology of present traditional combined harvester is the mode that feeds entirely mostly, and its structure comprises the ceding of Taiwan, separating mechanism, dressing mechanism, conveying mechanism, adopts the mode of cutting back threshing earlier; To be with fringe crop cane to cut down through straw shift wheel, grain lifter, and be transported to threshing and cleaning plant, threshing, cleaning load are very big; Especially when the crop water content is big; Be prone to result in blockage, threshing is clean, grain is difficult to phenomenons such as separation, makes the operating efficiency of results receive certain limitation, the machine volume is big; Manufacturing cost is high, and power consumption is big.
For solving the harvest technology defective of traditional combined harvester, the threshing prior to cutting harvest technology becomes a direction of harvest machinery research.Cutting mode behind the threshing prior to cutting employing early threshing.The threshing prior to cutting combine also is in development and small lot trial production stage at present; In this regard starting early, research ripe Britain, France and Japan and other countries arranged; Domestic have several families such as Northeast Agricultural University, academy of agricultural sciences, Nanjing, has only two about the patented technology of threshing prior to cutting.Britain development be a kind of toothrow plastics ear harvesting bench, adopt and pluck behind the fringe threshing earlier in the harvesting technology of cutting.Its shortcoming is that course of work interruption fringe is many, has to leak and plucks phenomenon.The harvesting apparatus of another kind of form has been studied by France, with nearside divider with the cereal of whole fabric width be divided into several, crop is adopted axially feeding, by auger cereal is sent in the middle of the threshing cylinder separately, its shortcoming is that low, the disconnected fringe phenomenon of grain cleaning rate is obvious.The threshing prior to cutting technology that Japan is studied is mainly used in rice harves.The also first academician of Jiang of China Agricultural University once designed pneumatic drum type threshing prior to cutting reaping machine and declared patent of invention in 1988, but this machine remains and utilizes external wind-force suction fringe head, and the complicated power consumption of complete machine structure is big, is difficult to apply.
Take a broad view of the present situation of above-mentioned combine, be badly in need of a kind of simple and compact for structure, the complete machine consumed power is low, high efficiency, cereal threshing performance high, percent of loss is little Thresher used before stalk cutting.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can overcome above-mentioned defective, simple and compact for structure, the complete machine consumed power is low, high efficiency, cereal threshing performance high, percent of loss is little self-priming composite roller type pre-cut rice threshing device.Its technical scheme is:
End cap, the concave plate sieve and the level that comprise hood, are fixed on the hood two ends are installed in threshing cylinder and spiral screw feeder in the hood; Wherein the place ahead of hood is provided with feeding mouth, and the rear portion oblique upper is provided with air outlet, and the spiral screw feeder is positioned at the back lower place of threshing cylinder; The concave plate of arcuation sieve around threshing cylinder and at interval between threshing cylinder and the spiral screw feeder, two ends are fixedly connected with end cap; Threshing cylinder is provided with some bow teeth and spike-tooth, it is characterized in that: set up with last concave grate, the sorting screen of threshing cylinder equal length and go out pneumatic jig, wherein go up concave grate around threshing cylinder and between the upper end of feeding mouth upper end and air outlet; The two ends of last concave grate are fixedly connected with end cap; Outer wall, two ends that sorting screen is pressed close to the concave plate sieve are fixedly connected with end cap, go out the pneumatic jig fixed sealing and get lodged on the air outlet, and threshing cylinder is installed on the end cap through bearing; Comprise rotary screen, be sleeved on the cylinder in the rotary screen and be fixedly connected on rotary screen and cylinder between some flabellums; Rotary screen is fixedly connected through disc with the end of cylinder and realizes coaxial rotation, and the two constitutes double-layer combined cylinder, has simplified the structure of whole sheller unit greatly; Spike-tooth is arranged in a straight line on the outer wall of rotary screen, and bow tooth wave is arranged on the outer wall of rotary screen, prevents the seed skewness after the threshing, causes power attenuation, and the spacing of spike-tooth is greater than the spacing of bow tooth.
Described self-priming composite roller type pre-cut rice threshing device; The aperture that goes out pneumatic jig and rotary screen is all less than crop kernel; The aperture of sorting screen is greater than crop kernel; Can prevent that like this crop kernel from blowing out and falling into threshing cylinder inside from air outlet, rice wheat head head and rotary screen rub mutually when threshing cylinder rotates, and realize auxiliary threshing effect.
Described self-priming composite roller type pre-cut rice threshing device is fixedly connected on the even interval, space that the some flabellums between rotary screen and the cylinder constitute rotary screen and cylinder, and it is antecurvature that all flabellums are arcuation.When threshing cylinder rotated, flabellum produced bigger radial air inlet blast, thereby increased the suction feeding effect of feeding mouth place to the fringe head.
Described self-priming composite roller type pre-cut rice threshing device, when this sheller unit was used for backpack, the helical blade of spiral screw feeder was left-handed; This sheller unit is used for when self-propelled, and the helical blade of spiral screw feeder is divided into three sections, is positioned at the helical blade dextrorotation of left end, and the helical blade that is positioned at right-hand member is left-handed, and the helical blade in the middle of being positioned at is irpiciform.
Described self-priming composite roller type pre-cut rice threshing device, the concave plate sieve is provided with hairbrush near the end of feeding mouth, and hairbrush and threshing cylinder equal length, bristle can prevent that towards rotary screen threshing cylinder from throwing away seed outside the hood, reduce to rewind loss.
Its operation principle is: along with the advancing of sheller unit, rice wheat head head is drawn close to feeding mouth during operation, because the rotation of flabellum makes the inside and outside draught head that produces of hood in the threshing cylinder; Rice wheat head head is sucked in the hood through feeding mouth; Constantly the fringe head is curried wholely by bow tooth and spike-tooth, the fringe operation is plucked in completion, when rotary screen goes to concave grate or concave plate when sieving; Bow tooth, spike-tooth and concave grate are rubbed the fringe head and are curried, and accomplish the threshing operation; Seed after the threshing passes sorting screen earlier, accomplishes and cleans operation, by the spiral screw feeder seed is exported then.
The present invention compared with prior art, its advantage is:
1, because threshing cylinder comprises rotary screen, is sleeved on the cylinder in the rotary screen and is fixedly connected on rotary screen and cylinder between some flabellums; Rotary screen is fixedly connected through disc with the end of cylinder and realizes coaxial rotation; The two constitutes double-layer combined cylinder, has simplified the structure of whole sheller unit greatly;
2, when threshing cylinder rotates, flabellum produces bigger radial air inlet blast, thereby increases the suction feeding effect of feeding mouth place to the fringe head, is beneficial to the feeding of fringe head, and has saved special cereal fringe head intake mechanism, has greatly simplified complete machine structure;
3, cylinder and rotary screen coaxial rotation have realized plucking the synchronism that fringe fed and curried threshing, have kept the integrality of grain stalk, have improved operating efficiency greatly, have reduced power consumption;
4, wave is arranged in the seed skewness after bow tooth on the rotary screen outer wall can prevent threshing, reduces power attenuation;
5, this sheller unit has and plucks fringe, threshing before cutting, cleans, carries the quadruple effect, can carry out triple threshings to the fringe head, has improved threshing performance, has reduced percent of loss.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the vertical view of middle threshing cylinder embodiment illustrated in fig. 1 and spiral screw feeder.
Among the figure: 1, hood 2, end cap 3, concave plate sieve 4, spiral screw feeder 5, feeding mouth 6, air outlet 7, bow tooth 8, spike-tooth 9, go up concave grate 10, sorting screen 11, go out pneumatic jig 12, rotary screen 13, cylinder 14, flabellum 15, helical blade 16, hairbrush 17, disc
Embodiment
In the embodiment shown in Fig. 1～2: the place ahead of hood 1 is provided with feeding mouth 5; The rear portion oblique upper is provided with air outlet 6; The two ends of hood 1 are fixed with end cap 2 respectively, and threshing cylinder and spiral screw feeder 4 average level bearings are installed in the hood 1, and wherein spiral screw feeder 4 is positioned at the back lower place of threshing cylinder; The concave plate of arcuation sieve 3 around threshing cylinder at interval between threshing cylinder and the spiral screw feeder 4, two ends are fixedly connected with end cap 2; Last concave grate 9, sorting screen 10 and go out pneumatic jig 11 and threshing cylinder equal length are wherein gone up concave grate 9 around threshing cylinder and between the upper end of feeding mouth 5 upper ends and air outlet 6, and the two ends of last concave grate 9 are fixedly connected with end cap 2; Outer wall, two ends that sorting screen 10 is pressed close to concave plate sieve 3 are fixedly connected with end cap 2; Go out pneumatic jig 11 fixed sealing and get lodged on the air outlet 6, the aperture that goes out pneumatic jig 11 and rotary screen 12 is all less than crop kernel, and the aperture of sorting screen 10 is greater than crop kernel; Threshing cylinder is installed on the end cap 2 through bearing; Comprise rotary screen 12, be sleeved on the cylinder 13 in the rotary screen 12 and be fixedly connected on rotary screen 12 and cylinder 13 between some flabellums 14; The even interval, space that some flabellums 14 constitute rotary screen 12 and cylinder 13, it is antecurvature that all flabellums 14 are arcuation; Rotary screen 12 is fixedly connected through disc 17 with the end of cylinder 13, and some spike-tooth 8 is arranged in a straight line on the outer wall of rotary screen 12, and some bow tooth 7 waves are arranged on the outer wall of rotary screen 12, and the spacing of spike-tooth 8 is greater than the spacing of bow tooth 7; Concave plate sieve 3 ends near feeding mouth 5 are provided with hairbrush 16, hairbrush 16 and threshing cylinder equal length, and bristle is towards rotary screen 12.
When this sheller unit was used for backpack, the helical blade 15 of spiral screw feeder 4 was left-handed; This sheller unit is used for when self-propelled, and the helical blade 15 of spiral screw feeder 4 is divided into three sections, is positioned at helical blade 15 dextrorotation of left end, and the helical blade 15 that is positioned at right-hand member is left-handed, and the helical blade 15 in the middle of being positioned at is irpiciform.
Claims (5)
1. self-priming composite roller type pre-cut rice threshing device; End cap (2), the concave plate sieve (3) that comprise hood (1), is fixed on hood (1) two ends is installed in hood (1) interior threshing cylinder and spiral screw feeder (4) with level; Wherein the place ahead of hood (1) is provided with feeding mouth (5); The rear portion oblique upper is provided with air outlet (6), and spiral screw feeder (4) is positioned at the back lower place of threshing cylinder, the concave plate of arcuation sieve (3) around threshing cylinder at interval between threshing cylinder and the spiral screw feeder (4), two ends are fixedly connected with end cap (2); Threshing cylinder is provided with some bow teeth (7) and spike-tooth (8); It is characterized in that: set up with last concave grate (9), the sorting screen (10) of threshing cylinder equal length and go out pneumatic jig (11), wherein go up concave grate (9) around threshing cylinder and be positioned between the upper end of feeding mouth (5) upper end and air outlet (6), the two ends of last concave grate (9) are fixedly connected with end cap (2); Outer wall, two ends that sorting screen (10) is pressed close to concave plate sieve (3) are fixedly connected with end cap (2); Go out pneumatic jig (11) fixed sealing and get lodged on the air outlet (6), threshing cylinder is installed on the end cap (2) through bearing, comprise rotary screen (12), be sleeved on the cylinder (13) in the rotary screen (12) and be fixedly connected on rotary screen (12) and cylinder (13) between some flabellums (14); Rotary screen (12) is fixedly connected through disc (17) with the end of cylinder (13); Spike-tooth (8) is arranged in a straight line on the outer wall of rotary screen (12), and bow tooth (7) wave is arranged on the outer wall of rotary screen (12), and the spacing of spike-tooth (8) is greater than the spacing of bow tooth (7); The aperture that goes out pneumatic jig (11) and rotary screen (12) is all less than crop kernel, and the aperture of sorting screen (10) is greater than crop kernel.
2. self-priming composite roller type pre-cut rice threshing device as claimed in claim 1; It is characterized in that: be fixedly connected on the even interval, space that the some flabellums (14) between rotary screen (12) and the cylinder (13) constitute rotary screen (12) and cylinder (13), it is antecurvature that all flabellums (14) are arcuation.
3. self-priming composite roller type pre-cut rice threshing device as claimed in claim 1 is characterized in that: when this sheller unit was used for backpack, the helical blade (15) of spiral screw feeder (4) was left-handed.
4. self-priming composite roller type pre-cut rice threshing device as claimed in claim 1; It is characterized in that: this sheller unit is used for when self-propelled; The helical blade (15) of spiral screw feeder (4) is divided into three sections; Be positioned at helical blade (15) dextrorotation of left end, the helical blade (15) that is positioned at right-hand member is left-handed, and the helical blade (15) in the middle of being positioned at is irpiciform.
5. self-priming composite roller type pre-cut rice threshing device as claimed in claim 1 is characterized in that: concave plate sieve (3) is provided with hairbrush (16) near the end of feeding mouth (5), hairbrush (16) and threshing cylinder equal length, and bristle is towards rotary screen (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101193785A CN101773024B (en) | 2010-03-08 | 2010-03-08 | Self-priming composite roller type pre-cut rice threshing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101193785A CN101773024B (en) | 2010-03-08 | 2010-03-08 | Self-priming composite roller type pre-cut rice threshing device |
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| Publication Number | Publication Date |
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| CN101773024A CN101773024A (en) | 2010-07-14 |
| CN101773024B true CN101773024B (en) | 2012-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101193785A Expired - Fee Related CN101773024B (en) | 2010-03-08 | 2010-03-08 | Self-priming composite roller type pre-cut rice threshing device |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105453802B (en) * | 2015-12-25 | 2017-11-21 | 爱科大丰(兖州)农业机械有限公司 | 360 degree of separation Multifunctional crop harvesters of transverse-axis-flow |
| CN105940880B (en) * | 2016-04-12 | 2018-03-23 | 东北农业大学 | Cereal threshing prior to cutting plucks release mechanism |
| CN106211942A (en) * | 2016-10-13 | 2016-12-14 | 河南科技大学 | A kind of longitudinal axial flow threshing and cleaning device |
| CN109156145B (en) * | 2018-08-07 | 2021-09-21 | 沂水县兴达机械有限公司 | Semi-feeding type rice combine harvester |
| CN109121667B (en) * | 2018-08-07 | 2021-06-15 | 许可 | Method for improving rice harvesting efficiency |
| CN109225799B (en) * | 2018-08-18 | 2020-09-29 | 芜湖市好亦快食品有限公司三山分公司 | High-efficient mung bean peeling and screening device |
| CN113441395B (en) * | 2021-07-06 | 2022-09-23 | 河南省农业科学院长垣分院 | Dandelion fine hair seed separator |
| CN113973585B (en) * | 2021-09-24 | 2023-08-22 | 江苏大学 | Threshing and cleaning device integrating inertia and electrostatic field and combine harvester |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2389462Y (en) * | 1999-10-24 | 2000-08-02 | 胡星连 | Harvester capable of threshing before cutting |
| CN201294753Y (en) * | 2008-11-19 | 2009-08-26 | 何培祥 | Combine harvester of single-row rice-wheat |
| CN201630038U (en) * | 2010-03-08 | 2010-11-17 | 山东理工大学 | Self-suction type composite roller rice-wheat threshing mechanism before harvesting |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008079616A (en) * | 2007-11-05 | 2008-04-10 | Yanmar Agricult Equip Co Ltd | Threshing part of combine harvester |
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2010
- 2010-03-08 CN CN2010101193785A patent/CN101773024B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2389462Y (en) * | 1999-10-24 | 2000-08-02 | 胡星连 | Harvester capable of threshing before cutting |
| CN201294753Y (en) * | 2008-11-19 | 2009-08-26 | 何培祥 | Combine harvester of single-row rice-wheat |
| CN201630038U (en) * | 2010-03-08 | 2010-11-17 | 山东理工大学 | Self-suction type composite roller rice-wheat threshing mechanism before harvesting |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2008-79616A 2008.04.10 |
| 高玉根等.割前脱粒联合收割机中纵置式脱粒部件的研究.《农业机械学报》.1997,第28卷(第3期),35-38. * |
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| CN101773024A (en) | 2010-07-14 |
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Granted publication date: 20120328 Termination date: 20130308 |