CN202565773U - Threshing and cleaning device of rice combine harvester - Google Patents
Threshing and cleaning device of rice combine harvester Download PDFInfo
- Publication number
- CN202565773U CN202565773U CN 201120476816 CN201120476816U CN202565773U CN 202565773 U CN202565773 U CN 202565773U CN 201120476816 CN201120476816 CN 201120476816 CN 201120476816 U CN201120476816 U CN 201120476816U CN 202565773 U CN202565773 U CN 202565773U
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- roll
- front roll
- threshing
- rolling drum
- cleaning unit
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Abstract
The invention discloses a threshing and cleaning device of a rice combine harvester. The device comprises a front rolling drum, wherein a front concave plate is installed below the front rolling drum, a front rolling drum cover is installed above the front rolling drum, a cleaning sieve is arranged below the front concave plate, a cleaning fan is arranged at the front end of the cleaning sieve, a cleaning room bottom case, a grain auger and a tailing auger are arranged at the lower end of the cleaning sieve, a rear rolling drum is also installed on a threshing machine body, the rear rolling drum and the front rolling drum are arranged in a front-and-back mode, a rear concave plate is installed below the rear rolling drum, and a rear rolling drum cover is installed above the rear rolling drum. Mature grains which can be separated easily are separated in the front rolling drum when combining threshing of crops by the front rolling drum and the rear rolling drum is conducted, separation is conducted by the front concave plate, residue grains which can not be separated easily are separated under the strike of the rear rolling drum, the threshing performance of crops is high, losses are few, besides, by the aid of double rolling drums, the rotating speed of rolling drums can be properly reduced relative to a single rolling drum, and the damage percentage of grains can be reduced.
Description
Technical field
The utility model relates to the rice combine technical field, relates in particular to a kind of threshing cleaning unit of rice combine.
Background technology
Though it is so high that paddy rice machine yield also is unable to catch up with the machine yield of wheat, developed very fastly in recent years, the demand that rice district peasant receives the paddy rice machine is very strong.
The configuration majority of the whole-feed rice combine that exists in the market is: the type of threshing and sorting mechanism that adopts single cylinder, double-deck sorting screen, single air channel cleaning fan; Adopt single drum threshing, the roller rod tooth constantly hits paddy, and the grain of mature and plump is split away off from stalk very soon; Fall into concave grate; Some not overripened grain are difficult drop-off then, can discharge outside the machine with stalk, causes waste; If will improve the paddy threshing performance, need to improve drum rotation speed, can increase the strike intensity of roller rod tooth to grain this moment, causes grain husking, the fragmentation of mature and plump, can influence the storage of paddy when serious, also can reduce the paddy milled rice rate simultaneously, causes waste.
The utility model content
The utility model technical problem to be solved provides a kind of threshing cleaning unit of rice combine, and is unclean to solve rice threshing, problems such as loss height and seed damage.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of threshing cleaning unit of rice combine; Comprise front roll; The front roll below is equipped with preceding notch board, and said front roll top is equipped with the front roll lid, and said preceding notch board below is provided with sorting screen; The front end of said sorting screen is provided with cleaning fan, and the lower end of said sorting screen is provided with cleaning room drain pan and seed auger, the surplus auger of mixing;
On the said threshing body back roll is installed also, is provided with before and after said back roll and the front roll, said back roll below is provided with the back notch board, and said back roll top is provided with the back roll lid.
Below be the further improvement of the utility model to such scheme:
Said sorting screen comprises top sieve and sieves down; Said cleaning fan is provided with air outlet and following air outlet, saidly goes up that air outlet is arranged on said top sieve and down between the front end of sieve, said air outlet down is arranged on below the said front end of sieve down, thus seed to clean effect better, cleannes are higher.
Further improve: said front roll is a pyramidal structure, comprises front roll feed zone and front roll discharging section, and the diameter of front roll diminishes from front roll feed zone to front roll discharging section diameter gradually.
Further improve: said front roll is provided with some front roll bar teeth, and the density of arranging of some front roll bar teeth becomes greatly from front roll feed zone to front roll discharging section gradually, so more help improving threshing, separating effect.
Further improve: back roll is provided with some front roll bar teeth, and the density of arranging of some front roll bar teeth becomes greatly from back roll feed zone to back roll discharging section gradually, so more help improving threshing, separating effect.
Further improve: the cross section of front roll lid is a half-circle-arc shape, and its inside is provided with the spiral first removable grass guide board.
Further improve: the cross section of back roll lid is a half-circle-arc shape, and its inside is provided with the spiral second removable grass guide board, is positioned at the second removable grass guide board that back roll covers and to be positioned at the first removable grass guide board hand of spiral that front roll covers opposite.
The another kind of improvement: the Lysimachia sikokiana section of said back roll is provided with chopper, can the stalk of the Lysimachia sikokiana section that gets into back roll be pulverized, and helps straw-returning.
The utility model adopts such scheme, and crop is through the associating threshing of front roll and back roll, and ripe good caducous seed is just come off at front roll; Separated by preceding notch board, the seed that remaining difficult quilt comes off also can be separated under the strike of back roll, and the crop threshing performance is high; Lose little; Owing to adopt twin-roll, the rotating speed of cylinder can suitably reduce than single cylinder in addition, so can reduce the seed damage rate again simultaneously.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment 1;
Accompanying drawing 2 is vertical views of accompanying drawing 1;
Accompanying drawing 3 is structural representations of front roll among the utility model embodiment 1;
Accompanying drawing 4 is structural representations of back roll among the utility model embodiment 1;
Accompanying drawing 5 is end views of accompanying drawing 4;
Accompanying drawing 6 is structural representations of front roll lid among the utility model embodiment 1;
Accompanying drawing 7 is end views of accompanying drawing 6;
Accompanying drawing 8 is structural representations of back roll lid among the utility model embodiment 1;
Accompanying drawing 9 is end views of accompanying drawing 8;
Accompanying drawing 10 is structural representations of the utility model embodiment 2.
Among the figure: the 1-cleaning fan; Notch board before the 2-; The 3-front roll; 4-front roll lid; The 5-sorting screen; Notch board behind the 6-; The 7-back roll; 8-back roll lid; 9-cleaning room drain pan; The 10-chopper; 11-seed auger; The 12-surplus auger of mixing; The last air outlet of 1a-; Air outlet under the 1b-; The 1c-top sieve; 1d-is sieve down; 3a-front roll feed zone; 3b-back roll feed zone; 5a-back roll feed zone; 5b-back roll discharging section; 6a-back roll ratch rigging position; The 7a-first removable grass guide board; The 9a-second removable grass guide board.
Embodiment
The crop of being cut off by the ceding of Taiwan of combine is conveyed into the front roll chamber of threshing body by feeding mouth A, under the acting in conjunction of front roll 3 and front roll lid 4; Straw along B to flowing; In process of flowing, ripe seed splits away off from straw under the effect of preceding notch board 2 smoothly, and the cleaning and sorting system below getting into is cleaned; The immature difficult seed that takes off not and straw break away from, along with straw jointly by middle feeding mouth along C in the back roll chamber that flows into the threshing body other end.
Under the acting in conjunction of back roll 7 and back roll lid 8; Along D to flowing; The linear velocity of back roll 7 is higher than the linear velocity of front roll 3; The difficult seed that takes off also splits away off the cleaning and sorting system below getting under the acting in conjunction of back roll 7 and back notch board 6, last straw arrives the Lysimachia sikokiana section of back roll 7, along E to through straw outlet discharge body.
Said sorting screen 5 comprises top sieve 1c and sieves 1d down; Said cleaning fan comprises air outlet 1a and following air outlet 1b, and the said air outlet 1a of going up is arranged on said top sieve 1c and sieves down between the front end of 1d, and said air outlet 1b down is arranged on the said 1d of sieve down front end below.
Seed and the rice chaff that falls into cleaning plant is under the acting in conjunction of the wind-force that the top sieve of sorting screen 5 and sieve and cleaning fan 1 upper and lower air outlet down blow out; It is external that rice chaff is blown thresher; Seed falls into cleaning in the drain pan 9 of cleaning plant below again; Be delivered to tanker by seed auger 11 respectively, or assorted surplus auger 12 be delivered to before notch board 2 carry out the secondary threshing.
As shown in Figure 3, said front roll bar tooth height can be a high structure such as traditional, also can be not wait high structure; The front roll feed zone 3a diameter of front roll 3 is maximum; Front roll discharging section 3b diameter is minimum, and front roll 3 is a pyramidal structure, makes threshing, separating effect more obvious.
The front roll bar tooth of said sheller unit is the density various structure, and front roll feed zone 3a bar tooth is sparse, and front roll discharging section 3b bar tooth is closeer, helps improving threshing, separating effect.
Said front roll ratch rigging position is adjustable, and convertible four kinds of different positions to realize four kinds of different cylinder-concave clearances, realize that cylinder-concave clearance is adjustable, improve the adaptability of machine to Different Crop.
As shown in Figure 4, said back roll bar tooth height is the density various structure for not waiting high structure, bar tooth, and back roll feed zone 5a bar tooth is sparse, and back roll discharging section 5b bar tooth is closeer, helps improving separation, Lysimachia sikokiana effect.
As shown in Figure 5, said back roll ratch rigging position 6a is adjustable, and convertible four kinds of different positions to realize four kinds of different cylinder-concave clearances, realize that cylinder-concave clearance is adjustable, improve the adaptability of machine to Different Crop.
Like Fig. 6, shown in Figure 7, the cross section of front roll lid 4 is a half-circle-arc shape, and its inside is provided with the spiral first removable grass guide board 7a.
Like Fig. 8, shown in Figure 9; The cross section of back roll lid 8 is a half-circle-arc shape; Its inside is provided with the spiral second removable grass guide board 9a, and the second removable grass guide board 9a that is positioned on the back roll lid 8 is opposite with the first removable grass guide board 7a hand of spiral that is positioned on the front roll lid 4.
Claims (8)
1. the threshing cleaning unit of a rice combine; Comprise front roll (3); Front roll (3) below is equipped with preceding notch board (2), and said front roll (3) top is equipped with front roll lid (4), and said preceding notch board (2) below is provided with sorting screen (5); The front end of said sorting screen (5) is provided with cleaning fan (1), and the lower end of said sorting screen (5) is provided with cleaning room drain pan (9) and seed auger (11), the surplus auger (12) of mixing;
It is characterized in that: back roll (7) also is installed on the said threshing body, and said back roll (7) is provided with front roll (3) front and back, and said back roll (7) below is provided with back notch board (6), and said back roll (7) top is provided with back roll and covers (8).
2. the threshing cleaning unit of a kind of rice combine according to claim 1 is characterized in that:
Said sorting screen (5) comprises top sieve (1c) and sieves (1d) down; Said cleaning fan (1) is provided with air outlet (1a) and following air outlet (1b); Said upward air outlet (1a) is arranged on said top sieve (1c) and sieves down between the front end of (1d), and said air outlet (1b) down is arranged on said (1d) front end below of sieving down.
3. the threshing cleaning unit of a kind of rice combine according to claim 2; It is characterized in that: said front roll (3) is a pyramidal structure; Comprise front roll feed zone (3a) and front roll discharging section (3b), the diameter of front roll (3) diminishes from front roll feed zone (3a) to front roll discharging section (3b) diameter gradually.
4. the threshing cleaning unit of a kind of rice combine according to claim 3; It is characterized in that: said front roll (3) is provided with some front roll bar teeth, and the density of arranging of some front roll bar teeth becomes big gradually from front roll feed zone (3a) to front roll discharging section (3b).
5. according to the threshing cleaning unit of claim 3 or 4 described a kind of rice combines; It is characterized in that: back roll (7) is provided with some front roll bar teeth, and the density of arranging of some front roll bar teeth becomes big gradually from back roll feed zone (5a) to back roll discharging section (5b).
6. the threshing cleaning unit of a kind of rice combine according to claim 5 is characterized in that: the cross section of front roll lid (4) is a half-circle-arc shape, and its inside is provided with the spiral first removable grass guide board (7a).
7. the threshing cleaning unit of a kind of rice combine according to claim 6; It is characterized in that: the cross section of back roll lid (8) is a half-circle-arc shape; Its inside is provided with the spiral second removable grass guide board (9a), and the second removable grass guide board (9a) that is positioned on the back roll lid (8) is opposite with first removable grass guide board (7a) hand of spiral that is positioned on the front roll lid (4).
8. the threshing cleaning unit of a kind of rice combine according to claim 6, it is characterized in that: the Lysimachia sikokiana section of said back roll (7) is provided with chopper (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120476816 CN202565773U (en) | 2011-11-25 | 2011-11-25 | Threshing and cleaning device of rice combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120476816 CN202565773U (en) | 2011-11-25 | 2011-11-25 | Threshing and cleaning device of rice combine harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202565773U true CN202565773U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120476816 Expired - Fee Related CN202565773U (en) | 2011-11-25 | 2011-11-25 | Threshing and cleaning device of rice combine harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202565773U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103931353A (en) * | 2013-11-26 | 2014-07-23 | 王建华 | HZ peanut picker |
| CN104541754A (en) * | 2015-01-01 | 2015-04-29 | 刘忠良 | Secondary cleaning and grain-gathering system of combine-harvester |
| CN109089525A (en) * | 2018-08-30 | 2018-12-28 | 绩溪袁稻农业产业科技有限公司 | A kind of automatic rice harvester |
| CN109515886A (en) * | 2018-10-23 | 2019-03-26 | 周力 | A kind of wheat threshing stalk packing integrated equipment |
-
2011
- 2011-11-25 CN CN 201120476816 patent/CN202565773U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103931353A (en) * | 2013-11-26 | 2014-07-23 | 王建华 | HZ peanut picker |
| CN104541754A (en) * | 2015-01-01 | 2015-04-29 | 刘忠良 | Secondary cleaning and grain-gathering system of combine-harvester |
| CN109089525A (en) * | 2018-08-30 | 2018-12-28 | 绩溪袁稻农业产业科技有限公司 | A kind of automatic rice harvester |
| CN109089525B (en) * | 2018-08-30 | 2022-04-15 | 绩溪袁稻农业产业科技有限公司 | Automatic rice harvester |
| CN109515886A (en) * | 2018-10-23 | 2019-03-26 | 周力 | A kind of wheat threshing stalk packing integrated equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261206 Beihai South Road, Fangzi District, Shandong, No. 192, No. Patentee after: LOVOL HEAVY INDUSTRY CO., LTD. Address before: 261206 Beihai South Road, Fangzi District, Shandong, No. 192, No. Patentee before: Futian Leiwo International Heavy Industry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20191125 |