CN102630439A - Novel threshing mechanism of whole-feed threshing machine - Google Patents
Novel threshing mechanism of whole-feed threshing machine Download PDFInfo
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- CN102630439A CN102630439A CN2012101271571A CN201210127157A CN102630439A CN 102630439 A CN102630439 A CN 102630439A CN 2012101271571 A CN2012101271571 A CN 2012101271571A CN 201210127157 A CN201210127157 A CN 201210127157A CN 102630439 A CN102630439 A CN 102630439A
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- concave plate
- threshing concave
- thresher
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Abstract
The invention relates to a novel threshing mechanism of a whole-feed threshing machine. The novel threshing mechanism is composed of a threshing bin, a threshing cylinder and a threshing concave plate, wherein the threshing concave plate is rotatably connected with the threshing bin, the threshing bin is provided with a driving mechanism which can drive the threshing concave plate to repeatedly rotate clockwise and anticlockwise, and the threshing concave plate is provided with a follower of the driving mechanism of the threshing concave plate. According to the novel threshing mechanism of the whole-feed threshing machine disclosed by the invention, on one hand, the blocking problem of the threshing mechanism can be well prevented, and on the other hand, the threshing effect can be improved.
Description
Technical field
The present invention relates to a kind of farm machinery, especially relate to a kind of full feed type thresher.
Background technology
The threshing concave plate of existing full feeding thresher is generally tubular structure, and the characteristics of this separating mechanism are simple in structure, and are easy to operate; But because it is in threshing course, stalk is all to enter into threshing concave plate, and rotate with threshing cylinder; So it is easy to stop up,, generally can only clear up through manual work in case occur stopping up; Not only lose time, also have certain danger.Like publication number is the improved threshing concave plate of CN200987289; Publication number is that the threshing of the combine of CN2607010 separates notch board etc. and is this type of notch board.In order to solve the blockage problem of full feeding thresher, can strengthen the spacing of threshing concave plate and threshing cylinder, but this method is a prerequisite to sacrifice the threshing effect.Also can reduce blocking problem, but when improving the guidance capability of threshing cylinder, must make stalk and grain and translational speed accelerate influence, influence its threshing effect through the guidance capability that improves threshing cylinder.
Summary of the invention
The present invention solves existing in prior technology to feed thresher entirely and occur easily stopping up; Existing improvement project is the technical problem of prerequisite to sacrifice the threshing effect all; The blockage problem that provides a kind of one side to can be good at preventing separating mechanism can improve the new thresher structure of the full feeding thresher of threshing effect on the other hand again.
Above-mentioned technical problem of the present invention mainly is able to solve through following technical proposals: a kind of new thresher structure of full feeding thresher; Constitute by threshing bin, threshing cylinder and threshing concave plate; It is characterized in that described threshing concave plate and described threshing bin are rotationally connected; Threshing bin is provided with one can drive threshing concave plate driving mechanism clockwise, that rotate repeatedly counterclockwise, and described threshing concave plate is provided with the follower of a said threshing concave plate driving mechanism.The present invention at work, threshing concave plate come and go to rotate under the drive of driving mechanism repeatedly, has quickened the dropping process of grain on the one hand, also makes stalk rubbing repeatedly between threshing concave plate and the threshing cylinder on the other hand, stalk is difficult to be stuck in wherein.Simultaneously, when the rotation direction of threshing concave plate and threshing cylinder in the same way the time, reduced the speed of relative motion between the two; When the rotation direction of threshing concave plate and threshing cylinder repeatedly the time; Strengthened relative motion between the two, therefore, the present invention has also realized in the velocity of rotation that does not change threshing cylinder; Make threshing cylinder with respect to the threshing concave plate intermittent movement; Give the sufficient fall time of grain, further improved threshing speed and threshing effect, also direct effect is arranged preventing to stop up.
As preferably, described follower is two chain posts being located on the threshing concave plate, the driving mechanism of described threshing concave plate comprise one with the suitable sprocket wheel of described chain post, and the corresponding transmission device that links to each other with actuating unit.The chain post is actually two cylindrical rod, and two between cog of these two cylindrical rod and described sprocket wheel are suitable, when sprocket wheel moves back and forth, promptly moves back and forth through the moving threshing concave plate of two chain cornices.This structure is very simple, installation is very convenient, and required precision is not high, and cost is lower.
As preferably, described follower is a driven gear of being located on the threshing concave plate, and the driving mechanism of described threshing concave plate comprises a driven wheel that has reciprocating rotating power.This structure is also fairly simple, and the cooperation of two gears requires also not high.
As preferably, the upper semi-circle of described threshing concave plate is provided with small in ends, the middle wide crescent guide plate of several axial distribution, and this guide plate is fixed on the notch board with spirality.Guide plate can improve the guidance capability of thresher, accelerates travelling forward of stalk, is to reduce a kind of method of stopping up; The latter half of threshing concave plate of the present invention is not established guide plate; And the first half is provided with guide plate, and guide plate is crescent, why select for use this structure to be because; The latter half of threshing concave plate generally can leave more substantial grain ear in the course of the work; If the latter half of threshing concave plate is provided with guide plate, then can strengthens the speed that travels forward of grain ear, and then reduce the percentage of thresh; The grain ear of the first half of threshing concave plate is less, and stalk is more, in order to prevent to stop up, improve threshing efficiency, just needs to accelerate through guide plate the pace of stalk.When grain ear is taken to the first half of threshing concave plate by threshing cylinder,, be in easily from the nearer side of threshing cylinder because it is heavier relatively; Because guide plate is meniscate, when most of grain ear had just entered into the first half of threshing concave plate, the effect that receives guide plate was less; Its pace is still relatively slow, and in this process, grain ear has adequate time by further threshing; When it moves to the top side of threshing cylinder; Also have the grain ear of grain further to reduce, just receive the abundant drive of guide plate this moment, accelerated its pace.Therefore the method to set up of this guide plate has the effect that selectivity drives to stalk and grain ear.
As preferably, the lead angle of the helical structure of guide plate is the 5-8 degree.The size of the lead angle of helical structure is directly connected to stalk axially movable speed in thresher, and when lead angle is too big, then the translational speed of stalk is excessive, reduces the percentage of thresh; Too little then not obvious when lead angle to the migration of accelerating stalk, and then can not further promote the raising of anti-clogging ability.
As preferably, the length of guide plate is the 3/7-4/7 of threshing concave plate circumference, and the middle part width of guide plate is 15-25mm.The length of this guide plate is about half of threshing concave plate circumference; The stalk that has guaranteed most of arrival threshing concave plate upper semi-circle position can quicken to push ahead under the effect of guide plate; And at the grain ear of the latter half, and the stalk that has a grain ear receives the acceleration less than guide plate.This scheme has further guaranteed not allow susceptible to plugging effect, has also improved the percentage of thresh and threshing speed simultaneously.
The beneficial effect that brings of the present invention is; Having solved existing in prior technology feeds thresher entirely and occurs easily stopping up; Existing improvement project is the technical problem of prerequisite to sacrifice the threshing effect all; Realized that a kind of one side can be good at preventing the blockage problem of separating mechanism, can improve the new thresher structure of the full feeding thresher of threshing effect on the other hand again.
Description of drawings
Accompanying drawing 1 is the front view of the embodiment of the invention 1;
Accompanying drawing 2 is upward views of Fig. 1.
Embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.
Embodiment 1:
Like Fig. 1, shown in Figure 2; The present invention is a kind of new thresher structure of full feeding thresher, is made up of threshing bin 1, threshing cylinder 3 and threshing concave plate 2, and threshing concave plate 2 is rotationally connected with threshing bin 1; Threshing bin 1 is provided with one can drive threshing concave plate driving mechanism clockwise, that rotate repeatedly counterclockwise; This driving mechanism comprises a sprocket wheel 6, and the corresponding transmission device that links to each other with actuating unit, described threshing concave plate 2 be provided with two with the suitable chain post 5 of described sprocket wheel.The upper semi-circle of threshing concave plate is provided with small in ends, the middle wide crescent guide plate 4 of 8 axial distribution; This guide plate 4 is fixed on the threshing concave plate 2 with spirality; The lead angle of the helical structure of guide plate 4 is 7 degree; The length of guide plate is 1/2 of threshing concave plate circumference, and the middle part width of guide plate is 20mm.
The present invention at work, threshing concave plate come and go to rotate under the drive of driving mechanism repeatedly, has quickened the dropping process of grain on the one hand, also makes stalk rubbing repeatedly between threshing concave plate and the threshing cylinder on the other hand, stalk is difficult to be stuck in wherein.Simultaneously,, reduced the speed of relative motion between the two,, strengthened relative motion between the two when the rotation direction of threshing concave plate and threshing cylinder repeatedly the time when the rotation direction of threshing concave plate and threshing cylinder in the same way the time.The latter half of threshing concave plate is not established guide plate; And the first half is provided with guide plate, and guide plate is crescent, why select for use this structure to be because; The latter half of threshing concave plate generally can leave more substantial grain ear in the course of the work; If the latter half of threshing concave plate is provided with guide plate, then can strengthens the speed that travels forward of grain ear, and then reduce the percentage of thresh; The grain ear of the first half of threshing concave plate is less, and stalk is more, in order to prevent to stop up, improve threshing efficiency, just needs to accelerate through guide plate the pace of stalk.When grain ear is taken to the first half of threshing concave plate by threshing cylinder,, be in easily from the nearer side of threshing cylinder because it is heavier relatively; Because guide plate is meniscate, when most of grain ear had just entered into the first half of threshing concave plate, the effect that receives guide plate was less; Its pace is still relatively slow, and in this process, grain ear has adequate time by further threshing; When it moves to the top side of threshing cylinder; Also have the grain ear of grain further to reduce, just receive the abundant drive of guide plate this moment, accelerated its pace.Therefore the method to set up of this guide plate has the effect that selectivity drives to stalk and grain ear.
Embodiment 2:
On the basis of enforcement 1, driving mechanism can be a driven wheel that has reciprocating rotating power.Accordingly, threshing concave plate be provided with one with the suitable driven gear of this driven wheel.This structure also can guarantee the reciprocal rotation of threshing concave plate sieve, and this reciprocating mechanism is very common, and is also very many, all can be applied to here, and the present invention does not just enumerate one by one.
So the present invention has working stability, is difficult for characteristics such as obstruction, percentage of thresh height, threshing efficiency height.
Claims (7)
1. the new thresher structure of a full feeding thresher; Constitute by threshing bin, threshing cylinder and threshing concave plate; It is characterized in that described threshing concave plate and described threshing bin are rotationally connected; Threshing bin is provided with one can drive threshing concave plate driving mechanism clockwise, that rotate repeatedly counterclockwise, and described threshing concave plate is provided with the follower of a said threshing concave plate driving mechanism.
2. the new thresher structure of a kind of full feeding thresher according to claim 1; It is characterized in that described follower is two chain posts being located on the threshing concave plate; The driving mechanism of described threshing concave plate comprise one with the suitable sprocket wheel of described chain post, and the corresponding transmission device that links to each other with actuating unit.
3. the new thresher structure of a kind of full feeding thresher according to claim 1; It is characterized in that described follower is a driven gear of being located on the threshing concave plate, the driving mechanism of described threshing concave plate comprises a driven wheel that has reciprocating rotating power.
4. according to the new thresher structure of claim 1 or 2 or 3 described a kind of full feeding threshers; It is characterized in that the upper semi-circle of described threshing concave plate is provided with small in ends, the middle wide crescent guide plate of several axial distribution, this guide plate is fixed on the threshing concave plate with spirality.
5. the new thresher structure of a kind of full feeding thresher according to claim 4, the lead angle that it is characterized in that the helical structure of guide plate is the 5-8 degree.
6. the new thresher structure of a kind of full feeding thresher according to claim 4, the length that it is characterized in that guide plate is the 3/7-4/7 of threshing concave plate circumference, the middle part width of guide plate is 15-25mm.
7. the new thresher structure of a kind of full feeding thresher according to claim 5, the length that it is characterized in that guide plate is the 3/7-4/7 of threshing concave plate circumference, the middle part width of guide plate is 15-25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101271571A CN102630439A (en) | 2012-04-26 | 2012-04-26 | Novel threshing mechanism of whole-feed threshing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101271571A CN102630439A (en) | 2012-04-26 | 2012-04-26 | Novel threshing mechanism of whole-feed threshing machine |
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| CN102630439A true CN102630439A (en) | 2012-08-15 |
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| CN2012101271571A Pending CN102630439A (en) | 2012-04-26 | 2012-04-26 | Novel threshing mechanism of whole-feed threshing machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104365296A (en) * | 2013-08-13 | 2015-02-25 | 莱恩农业装备有限公司 | Harvester threshing mechanism |
| CN105009828A (en) * | 2015-08-13 | 2015-11-04 | 张铁刚 | Threshing cylinder concave plate assembly motor driving rotating mechanism for threshing machine |
| CN109156174A (en) * | 2018-08-09 | 2019-01-08 | 江苏大学 | A kind of grain combine high speed centrifugation sheller unit |
| CN115067085A (en) * | 2022-07-22 | 2022-09-20 | 农业农村部南京农业机械化研究所 | Concave plate reverse rotation type harvester threshing device and combine harvester |
| US11856893B2 (en) | 2018-05-23 | 2024-01-02 | Agco Corporation | Concave support and adjusment system for combine harvester |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5783220A (en) * | 1980-11-13 | 1982-05-25 | Iseki Agricult Mach | Thresher |
| JPS62139242U (en) * | 1986-02-26 | 1987-09-02 | ||
| JPH0361836U (en) * | 1989-10-18 | 1991-06-18 | ||
| CN2648795Y (en) * | 2003-09-10 | 2004-10-20 | 中国农业机械化科学研究院 | Suaed heteroptera threshing, cleaning-sorting machine |
| CN202551722U (en) * | 2012-04-26 | 2012-11-28 | 莱恩农业装备有限公司 | Novel threshing mechanism of full-feeding threshing machine |
-
2012
- 2012-04-26 CN CN2012101271571A patent/CN102630439A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5783220A (en) * | 1980-11-13 | 1982-05-25 | Iseki Agricult Mach | Thresher |
| JPS62139242U (en) * | 1986-02-26 | 1987-09-02 | ||
| JPH0361836U (en) * | 1989-10-18 | 1991-06-18 | ||
| CN2648795Y (en) * | 2003-09-10 | 2004-10-20 | 中国农业机械化科学研究院 | Suaed heteroptera threshing, cleaning-sorting machine |
| CN202551722U (en) * | 2012-04-26 | 2012-11-28 | 莱恩农业装备有限公司 | Novel threshing mechanism of full-feeding threshing machine |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104365296A (en) * | 2013-08-13 | 2015-02-25 | 莱恩农业装备有限公司 | Harvester threshing mechanism |
| CN104365296B (en) * | 2013-08-13 | 2016-06-29 | 莱恩农业装备有限公司 | A kind of separating mechanism of harvester |
| CN105009828A (en) * | 2015-08-13 | 2015-11-04 | 张铁刚 | Threshing cylinder concave plate assembly motor driving rotating mechanism for threshing machine |
| US11856893B2 (en) | 2018-05-23 | 2024-01-02 | Agco Corporation | Concave support and adjusment system for combine harvester |
| CN109156174A (en) * | 2018-08-09 | 2019-01-08 | 江苏大学 | A kind of grain combine high speed centrifugation sheller unit |
| CN109156174B (en) * | 2018-08-09 | 2021-05-25 | 江苏大学 | High-speed centrifugal threshing device of grain combine harvester |
| CN115067085A (en) * | 2022-07-22 | 2022-09-20 | 农业农村部南京农业机械化研究所 | Concave plate reverse rotation type harvester threshing device and combine harvester |
| CN115067085B (en) * | 2022-07-22 | 2024-03-12 | 农业农村部南京农业机械化研究所 | Threshing device of concave plate reverse type harvester and combine harvester |
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Application publication date: 20120815 |