CN102630435A - Graded-type threshing device - Google Patents
Graded-type threshing device Download PDFInfo
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- CN102630435A CN102630435A CN2012101420932A CN201210142093A CN102630435A CN 102630435 A CN102630435 A CN 102630435A CN 2012101420932 A CN2012101420932 A CN 2012101420932A CN 201210142093 A CN201210142093 A CN 201210142093A CN 102630435 A CN102630435 A CN 102630435A
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- threshing
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Abstract
The invention relates to a graded-type threshing device, which comprises a threshing cabin, a threshing roller and a threshing recessed plate, wherein the threshing roller consists of a rotating shaft, a cylindrical bracket and threshing teeth, the cylindrical bracket consists of a plurality of supporting discs which are vertical to the rotating shaft and a plurality of threshing tooth rods which are axially arranged on the periphery of the supporting discs, each threshing tooth rod is provided with one threshing tooth, the cylindrical bracket is divided into two to four sections, one to three threshing tooth rods are gradually increased from the first section to the last section, and the threshing tooth rods on each section of the cylindrical bracket are uniformly distributed on the periphery of the supporting discs. Due to the adoption of the graded-type threshing device, on one hand, the output of straws can be facilitated, and the pressure of the blockage can be reduced; and on the other hand, the energy consumption also can be reduced, and the efficiency can be improved. Moreover, by adopting the structure, grains threshed by each part of the threshing mechanism are uniform, and the dropping of the grains can be favored.
Description
Technical field
The present invention relates to a kind of agricultural equipment, especially relate to a kind of thresher.
Background technology
Full feeding thresher is that a kind of labour intensity is low, uses a kind of comparatively easily thresher, and the crop cane all gets into sheller unit during threshing, and the production continuity is good; Production efficiency is high, loses for a short time, but cane is broken; Cane and seed mix, and are prone to stop up, and the separating cleaning power attenuation is big.The shaft flow structure of full feeding thresher is when threshing, and crop does screw vertically between cylinder and notch board, and this threshing mode is relatively simple for structure; Threshing performance is high, disengaging time is long, and percentage of damage is low, but power consumption is big; Broken grass is many in the emersion object, requires the separator ability to work strong.Publication number is that the Chinese patent of CN301013175 discloses a kind of thresher drum device; This sheller unit possesses through for fulcrum is driven in rotation the harvesting straw that supplies to threshing chamber being implemented the threshing tube that threshing is handled with the fulcrum; This threshing tube comprises a plurality of bar-like members, support unit and a plurality of threshing tooth, and a plurality of bar-like members are upwards separating set outfit the week of threshing tube with the posture along fulcrum with being spaced; Support unit is provided in the front and back of fulcrum, so that support these bar-like members; A plurality of threshing teeth are equipped on each bar-like member, arrange to separate set compartment of terrain towards the outstanding posture of the foreign side of threshing tube at fore-and-aft direction from bar-like member.The front and back structure of the threshing cylinder of this technical scheme is consistent, but because in threshing course, the grain of feeding end is many; Threshing easily; Get over the rear end, grain is few more, is not easy more to come off; The efficient of the threshing cylinder that this front and back structure is consistent is not high, and the front end of threshing cylinder is very easy to stop up.Publication number is that the Chinese patent of CN201754687U discloses a kind of all feeding-in combine combined type axial flow threshing cylinder; Comprise barrel and drum shaft; Barrel is sleeved on the drum shaft; It is characterized in that: barrel sets gradually combined type threshing rasp bar and spike-tooth bar, and the threshing rasp bar is connected barrel through bolt respectively with the spike-tooth bar.Spike-tooth bar quantity can be adjusted installation as required, formation 3,4, more than 6 kind of different combinations mode.Because the speed that threshing rasp bar and spike-tooth bar drive stalk advances is different fully, and is difficult to adjust to identical or joins into, so, be easy to occur blocking problem at threshing rasp bar and spike-tooth bar.
Summary of the invention
The present invention solves the technical problem that the existing in prior technology threshing efficiency is not high, be prone to stop up etc., provides that a kind of threshing efficiency is high, not susceptible to plugging stagewise sheller unit.
Above-mentioned technical problem of the present invention mainly is able to solve through following technical proposals: a kind of stagewise sheller unit; Comprise threshing bin, threshing cylinder and threshing concave plate; Described threshing cylinder is made up of rotating shaft, tubular frame and threshing tooth; It is characterized in that described tubular frame by the some supporting disks vertical with rotating shaft with axially be located at the some threshing ratch around this supporting disk, this threshing ratch is provided with the threshing tooth, and described tubular frame is divided into two to four sections; Be provided with 1 to 3 threshing ratch than the last period from every section of the first, the threshing ratch on every section tubular frame evenly distributes around supporting disk more.The grain of the stalk band of feeding one end of thresher is many, threshing easily, therefore; The threshing ratch can be less relatively; This design can also make that the stalk of the feeding end that is entangled in threshing cylinder can be fewer, and a direction helps the output of stalk bar, reduces the pressure that stops up; Can also cut down the consumption of energy on the other hand, raise the efficiency.And the grain that this structure also makes each position of each separating mechanism take off is comparatively even, helps the whereabouts of grain.
As preferably, described tubular frame is divided into two sections, and first section is provided with 5-7 root threshing ratch, and second section than being provided with two threshing ratch first section more.This structure can and be lacked threshing course grain ear and carry out a threshing for for one section of many grain ear; One section structure that adopts less threshing ratch of many grain ear, grain ear adopts the more structure of threshing ratch for one section less, can understand fewer so that be entangled in the stalk of the feeding end of threshing cylinder; One direction helps the output of stalk bar; Reduce the pressure that stops up, can also cut down the consumption of energy on the other hand, raise the efficiency.
As preferably, it is little that first section threshing ratch of described tubular frame is scattered in a front end, the truncated cone-shaped structure that the rear end is big, and second section threshing ratch is scattered in a column construction.Because feeding end (front end of threshing cylinder) grain ear is more; Weight is bigger, and at the rotation process of threshing cylinder, stalk has stronger centrifugal force; The structure that the present technique scheme is adopted makes grain ear receive the strike of threshing tooth more easily; Thereby make more grain ear at the front end of threshing cylinder by threshing, reduced the also pressure of moving stalk of threshing cylinder, reach the effect that cuts down the consumption of energy, raises the efficiency.
As preferably; 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.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, and 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, be provided with small in ends, the middle wide crescent guide plate of several axial distribution in the upper semi-circle of described threshing concave plate, this guide plate is fixed on the threshing concave plate 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 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, solved the technical problem that the existing in prior technology threshing efficiency is not high, be prone to stop up etc., provide a kind of threshing efficiency high, be difficult for stopping up, the percentage of thresh is high, threshing efficiency is high stagewise sheller unit.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present invention;
Accompanying drawing 2 is a kind of structural representations of threshing concave plate of the present invention.
Embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.
Embodiment: Fig. 1, shown in Figure 2; The present invention is a kind of stagewise sheller unit, comprises threshing bin 3, threshing cylinder 1 and threshing concave plate 2, and described threshing cylinder 1 is made up of rotating shaft 16, tubular frame and threshing tooth 13; The tubular frame is divided into two sections; Every section tubular frame is by the supporting disk vertical with rotating shaft 11 and axially be located at the threshing ratch 12 around this supporting disk, and this threshing ratch 12 is provided with the threshing tooth and is provided with 6 threshing ratch 12 for 13, the first section 14; Be provided with 8 threshing ratch 12 for second section 15, the threshing ratch on every section tubular frame evenly distributes around supporting disk.It is little that first section threshing ratch of tubular frame is scattered in a front end, the truncated cone-shaped structure that the rear end is big, and second section threshing ratch is scattered in a column construction.Threshing concave plate 2 is rotationally connected with threshing bin 3; Threshing bin 3 is provided with one can drive threshing concave plate driving mechanism clockwise, that rotate repeatedly counterclockwise; This driving mechanism comprises a sprocket wheel 23; And the corresponding transmission device that links to each other with actuating unit, described threshing concave plate be provided with two with the suitable chain post 22 of described sprocket wheel.The upper semi-circle of threshing concave plate is provided with small in ends, the middle wide crescent guide plate 21 of an axial distribution; This guide plate is fixed on the threshing concave plate with spirality; The lead angle of the helical structure of guide plate is 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 grain of the stalk band of feeding one end of the present invention is many, threshing easily, therefore; The threshing ratch can be less relatively; This design can also make that the stalk of the feeding end that is entangled in threshing cylinder can be fewer, and a direction helps the output of stalk bar, reduces the pressure that stops up; Can also cut down the consumption of energy on the other hand, raise the efficiency.Because feeding end (front end of threshing cylinder) grain ear is more, weight is bigger, at the rotation process of threshing cylinder; Stalk has stronger centrifugal force; The two-part structure that the present technique scheme is adopted, and front end is that the threshing cylinder of the structure of taper makes the grain ear of front end receive the strike of threshing tooth more easily, thus make more grain ear at the front end of threshing cylinder by threshing; Reduce the also pressure of moving stalk of threshing cylinder, further reached the effect that cuts down the consumption of energy, raises the efficiency.
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.
Claims (7)
1. stagewise sheller unit; Comprise threshing bin, threshing cylinder and threshing concave plate; Described threshing cylinder is made up of rotating shaft, tubular frame and threshing tooth; It is characterized in that described tubular frame by the some supporting disks vertical with rotating shaft with axially be located at the some threshing ratch around this supporting disk, this threshing ratch is provided with the threshing tooth, and described tubular frame is divided into two to four sections; Be provided with 1 to 3 threshing ratch than the last period from every section of the first, the threshing ratch on every section tubular frame evenly distributes around supporting disk more.
2. a kind of stagewise sheller unit according to claim 1 is characterized in that described tubular frame is divided into two sections, and first section is provided with 5-7 root threshing ratch, and second section than being provided with two threshing ratch first section more.
3. it is little that a kind of stagewise sheller unit according to claim 2, first section the threshing ratch that it is characterized in that described tubular frame are scattered in a front end, the truncated cone-shaped structure that the rear end is big, and second section threshing ratch is scattered in a column construction.
4. according to claim 1 or 2 or 3 described a kind of stagewise sheller units; 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.
5. a kind of stagewise sheller unit according to claim 4; 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.
6. a kind of stagewise sheller unit according to claim 4 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, and this guide plate is fixed on the threshing concave plate with spirality.
7. a kind of stagewise sheller unit 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101420932A CN102630435A (en) | 2012-05-08 | 2012-05-08 | Graded-type threshing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101420932A CN102630435A (en) | 2012-05-08 | 2012-05-08 | Graded-type threshing device |
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| CN102630435A true CN102630435A (en) | 2012-08-15 |
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| CN2012101420932A Pending CN102630435A (en) | 2012-05-08 | 2012-05-08 | Graded-type threshing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105191587A (en) * | 2015-09-22 | 2015-12-30 | 江苏大学 | Threshing roller with rotatable toothed bar |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2867838Y (en) * | 2006-01-24 | 2007-02-14 | 广州市科利亚农业机械有限公司 | Threshing drum for harvester |
| CN201640024U (en) * | 2009-11-27 | 2010-11-24 | 王海京 | Threshing rotary drum with speed-changing leaf board |
| CN202565768U (en) * | 2012-05-08 | 2012-12-05 | 莱恩农业装备有限公司 | Stage-type threshing device |
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2012
- 2012-05-08 CN CN2012101420932A patent/CN102630435A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2867838Y (en) * | 2006-01-24 | 2007-02-14 | 广州市科利亚农业机械有限公司 | Threshing drum for harvester |
| CN201640024U (en) * | 2009-11-27 | 2010-11-24 | 王海京 | Threshing rotary drum with speed-changing leaf board |
| CN202565768U (en) * | 2012-05-08 | 2012-12-05 | 莱恩农业装备有限公司 | Stage-type threshing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105191587A (en) * | 2015-09-22 | 2015-12-30 | 江苏大学 | Threshing roller with rotatable toothed bar |
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Application publication date: 20120815 |