CN204335385U - Small rice combine separating mechanism - Google Patents
Small rice combine separating mechanism Download PDFInfo
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- CN204335385U CN204335385U CN201420710702.4U CN201420710702U CN204335385U CN 204335385 U CN204335385 U CN 204335385U CN 201420710702 U CN201420710702 U CN 201420710702U CN 204335385 U CN204335385 U CN 204335385U
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- threshing
- cylindrical shell
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Abstract
The utility model discloses a kind of small rice combine separating mechanism, comprise threshing cylindrical shell and threshing tooth, curved screen and chain transfer mechanism, thrashing cylinder body is positioned at screen cloth, threshing tooth is arranged in the installing hole of thrashing cylinder surface, often arrange threshing tooth and be divided into three groups from the head end of threshing cylindrical shell successively to tail end, the line in the center of circle of the threshing tooth installing hole of same row is curve upwards, the line in the center of circle of the threshing tooth installing hole of same group is straight line, wherein the angle of the rotational line of first group of threshing tooth and the axis of threshing cylindrical shell is 22 °-30 °, the angle of the rotational line of second group of threshing tooth and the axis of threshing cylindrical shell is 12 °-17 °, the rotational line of the 3rd group of threshing tooth and the axis parallel of threshing cylindrical shell.The front end-plate of threshing cylindrical shell is evenly provided with the splash-back of arc, arc splash-back concave surface facing identical with the direction of rotation of threshing cylindrical shell.Threshing is good, can also play the effect of pushing ahead the seedlings of cereal crops, splashproof, is applicable to the harvesting of well-done paddy.
Description
Technical field
The utility model relates to a kind of small rice combine separating mechanism.
Background technology
Along with the development of agricultural mechanization, the crawler type rice combine being suitable for hilly country is subject to the favor of local people, at present, the thrashing cylinder of grain header comprises threshing cylindrical shell, threshing cylindrical shell is evenly equipped with threshing tooth, and thrashing cylinder rotates, and is come off by the grain on the seedlings of cereal crops, often there is the sordid problem of threshing in such thrashing cylinder, also there is the problem that threshing tooth can not play the effect advancing straw to advance.In addition, current thrashing cylinder does not generally have the effect of splashproof.
Utility model content
For existing problem, the purpose of this utility model is to provide a kind of splashproof, through threshing, can promotes the small rice combine separating mechanism of straw advance.
To achieve these goals, the technical solution of the utility model is: a kind of small rice combine separating mechanism, the threshing tooth (2) that the some rows comprising threshing cylindrical shell (1) and be distributed in thrashing cylinder (1) surface extend vertically, the center of described threshing cylindrical shell (1) is provided with rotating shaft, described threshing tooth (2) is arranged in the installing hole on threshing cylindrical shell (1) surface, the below of described threshing cylindrical shell (1) is provided with the screen cloth (4) of arc, described threshing cylindrical shell (1) is positioned at screen cloth (4), the side of described threshing cylindrical shell (1) is axially arranged with chain transfer mechanism along threshing cylindrical shell (1), it is characterized in that: often arrange threshing tooth (2) and be divided into three groups from the head end of threshing cylindrical shell (1) successively to tail end, the line in the center of circle of threshing tooth (2) installing hole of same row is curve upwards, the line in the center of circle of threshing tooth (2) installing hole of same group is straight line, wherein the angle (a) of the rotational line of first group of threshing tooth (2) and the axis of threshing cylindrical shell (1) is 22 °-30 °, the angle (b) of the rotational line of second group of threshing tooth (2) and the axis of threshing cylindrical shell (1) is 12 °-17 °, the rotational line of the 3rd group of threshing tooth (2) and the axis parallel of threshing cylindrical shell (1),
The front end-plate of described threshing cylindrical shell (1) is evenly provided with the splash-back (3) of arc, described arc splash-back (3) concave surface facing identical with the direction of rotation of threshing cylindrical shell (1), one end of described splash-back (3) is connected to the position near the end plate center of circle, the other end is connected on the excircle of end plate, and the angle (c) between the axis of the line between the two ends of described splash-back (3) and threshing cylindrical shell (1) is less than 90 °;
Described chain transfer mechanism comprises transmission chain and is positioned at transmission chain (5), the front portion of described chain (5) is inclined upwardly gradually, tend towards stability in middle part, rear portion is downward-sloping gradually, described threshing cylindrical shell (1) is positioned at the side at the middle part of chain (5), the top of the front portion of described chain (5) is provided with front grain pressing rod (7), the front portion of described front grain pressing rod (7) reaches chain (5) outward, the rear portion of described front grain pressing rod (7) is close to the upper surface of chain (5), the middle part of described chain (5) is provided with Ya He mechanism (8), the front end of described front grain pressing rod (7) reaches the below of the pressure standing grain plate (85) of Ya He mechanism (8), the pressure standing grain plate (85) of described Ya He mechanism (8) is provided with rear grain pressing rod (6), described rear grain pressing rod (6) is close to the surface at the rear portion of chain (5), and the afterbody of described rear grain pressing rod (6) is upturned.
Adopt technique scheme, as shown in Figure 1, the side of thrashing cylinder is provided with conveying mechanism, the root pressure of straw moves on the conveyor and along with the tail end of chain to thrashing cylinder, the middle part of chain is just in time parallel with thrashing cylinder, tend towards stability in the middle part of chain, the tip (fringe) of straw reaches thrashing cylinder and carries out threshing.When the fringe of the seedlings of cereal crops arrives the front end of thrashing cylinder, first contact with first group of threshing tooth, carry out just threshing, the radian that the rotational line of first group departs from axis is larger, while threshing, also play the effect pushed away in the middle part of thrashing cylinder by straw, when straw arrives in the middle part of thrashing cylinder, herein, most grain is taken off, simultaneously, because the threshing tooth of second group also departs from axis, also the effect pushed away to thrashing cylinder afterbody by straw can be played, when arriving afterbody, the a small amount of grain do not taken off is taken off by last group threshing tooth further, last straw arrives grass crushing mechanism under the effect of conveying mechanism.Line due to the center of circle of the installing hole of the threshing tooth of our same row is curve, the rotational line being equivalent to the threshing tooth of same row is curve, thus can be taken off by the grain on fringe from different perspectives, and Threshing is good, prove through test, essentially no grain on straw out.
For well-done grain, adopt common thrashing cylinder, just may take off most grain when first group of threshing tooth.A large amount of grain will be there is spill.At this moment, we arrange splash-back in end, can play the effect of splashproof, and on the other hand, splash-back is arc, and the connecting line of its mounting points departs from the straight line of end plate, plays the effect advanced to thrashing cylinder by the straw of thrashing cylinder end below.First group of threshing tooth and second group of threshing tooth also play progradation simultaneously, and grain is come off at middle part as far as possible.
The root of straw, when the front of chain, is pushed down by front grain pressing rod and is walked on chain, and pushed down by Ya He mechanism time in the middle part of being positioned at and walk on chain, pushed down walk on thrashing cylinder when rear portion by rear grain pressing rod, each step coordinates perfect, is connected compact.
Further: the angle (c) between the axis of the line between the two ends of described splash-back (3) and threshing cylindrical shell (1) is 60 °-85 °.
In technique scheme: the quantity being positioned at two groups of threshing tooths (2) of end is all less than the quantity of the one group of threshing tooth (2) being positioned at middle part.Because middle part is main threshing portion, therefore our quantity of the general tooth arranged is more.
Further: each row has eight threshing tooths (2), and wherein first two is first group, middle four is second group, and two of tail end is the 3rd group.
Further: described threshing cylindrical shell (1) is distributed with nine row's threshing tooths (2), described splash-back (3) is three.Threshing tooth arranged by a splash-back pipe three.
Further: described threshing tooth (2) is n shape tooth, two supporting legs of described threshing tooth (2) are arranged in two installing holes on threshing cylindrical shell (1) surface respectively, the line in the center of circle of the leg mounting hole of the same side of the threshing tooth (2) of same row is curve, and the line in the center of circle of the installing hole of the supporting leg of the both sides of the threshing tooth (2) of same group is parallel.
In technique scheme, described Ya He mechanism (8) comprise entablature (81) and by some sections pressure standing grain plate (85) form press down standing grain mechanism, the described lower end pressing down standing grain mechanism is close on driving chain (5), hinged by pin (84) between described pressure standing grain plate (85), described pressure standing grain plate (85) is lifted on entablature (81) below by many screw rods (82), the upper end of described screw rod (82) is through the through hole on entablature (81), the upper end coupling nut (87) of described screw rod (82), stage clip (83) is set with outside screw rod (82) between described entablature (81) and pressure standing grain plate (85).The standing grain mechanism that presses down of the Ya He mechanism at middle part is made up of some sections of pressure standing grain plates, these some sections pressure standing grain plates are positioned at the top of chain, root for the straw sent by chain is pushed down, complete threshing, pressure standing grain is effective, firmly, and difficult drop-off, moving up and down by screw rod, makes straw enter between chain and Ya He mechanism.Adopt the Ya He mechanism of segmented, can better match, can adapt to the fluctuating of chain, not easily block grass with chain, this mechanism pressure standing grain is effective, not easily occurs coming off.
The beneficial effects of the utility model are: the threshing tooth of same row does not arrange on the same line by thrashing cylinder of the present utility model, the rotational line of two groups departs from axis above, the rotational line of the threshing tooth of same row is made to be curve, from multiple angle, threshing is carried out to the seedlings of cereal crops, Threshing is good, experiment proves on the straw of this thrashing cylinder threshing substantially without grain, in addition, we will depart from axis installation by two groups of threshing tooths above, like this while threshing tooth threshing, the effect that straw is push advance can also be played, splash-back is set, play the effect of splashproof, thrashing cylinder of the present utility model is made also to be applicable to the use of well-done paddy.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the expanded view of thrashing cylinder;
Fig. 3 is the structural representation of Ya He mechanism;
Fig. 4 is the partial enlarged drawing at A place in Fig. 3.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
Embodiment 1
As Figure 1-4: small rice combine separating mechanism of the present utility model is made up of threshing cylindrical shell 1, threshing tooth 2, splash-back 3, screen cloth 4, chain transfer mechanism; the length of threshing cylindrical shell 1 is less; we are generally designed to 40-50cm, are applicable to baby combine and use.
At the threshing tooth 2 that the some rows of thrashing cylinder 1 surface distributed extend vertically, here 9 rows are selected, described threshing tooth 2 is arranged in the installing hole on threshing cylindrical shell 1 surface, and described threshing tooth 2 is n shape tooth, comprises two supporting legs, top between two supporting legs is to intermediate, inclined, thus make the length of middle brace rod less, form tip, facilitate threshing, this kind of threshing tooth 2 is prior art, does not also repeat at this.
Often arrange threshing tooth 2 and be divided into three groups from the head end of threshing cylindrical shell 1 successively to tail end, the quantity being generally positioned at two groups of threshing tooths 2 of end is all less than the quantity of the one group of threshing tooth 2 being positioned at middle part.Because generally we gather in when paddy ninety percent is ripe, like this, middle part is main threshing portion, specifically: as Fig. 1: each row has eight threshing tooths 2, wherein first two is first group, and middle four is second group, and two of tail end is the 3rd group.
As shown in Figure 2, the line in the center of circle of the leg mounting hole of the same side of the threshing tooth 2 of same row is curve upwards, the line in the center of circle of the installing hole of the threshing tooth 2 of same group is straight line, and the line in the center of circle of the installing hole of the supporting leg of the both sides of the threshing tooth 2 of same group is parallel.Wherein the rotational line (being also the line in the center of circle of the installing hole of the supporting leg of the same side of first group of threshing tooth 2) of first group of threshing tooth 2 is 22 °-30 ° with the angle a of the axis of threshing cylindrical shell 1, the angle b of the rotational line of second group of threshing tooth 2 and the axis of threshing cylindrical shell 1 is 12 °-17 °, the rotational line of the 3rd group of threshing tooth 2 and the axis parallel of threshing cylindrical shell 1.
The front end-plate of threshing cylindrical shell 1 is evenly provided with the splash-back 3 of arc, selects 3 splash-backs here, be equivalent to splash-back 3 pipe three and arrange threshing tooth 2.One end of splash-back 3 is connected to the position near the end plate center of circle, the other end is connected on the excircle of end plate, arc splash-back 3 concave surface facing identical with the direction of rotation of threshing cylindrical shell 1, so just be equivalent to splash-back 3 when rotated just as a spoon, promote straw to move to threshing cylindrical shell 1, angle c between the axis of the line between the two ends of splash-back 3 and threshing cylindrical shell 1 is less than 90 °, is preferably 60 °-85 °.
Splash-back 3 be arranged so that thrashing cylinder is applicable to gathering in well-done paddy, because well-done paddy just may have most of grain to come off touching threshing tooth, be equivalent to grain major part come off in thrashing cylinder end, if do not arrange splash-back 3, most grain will be had to spill.
The below of threshing cylindrical shell 1 is provided with curved screen 4, and threshing cylindrical shell 1 is positioned at curved screen 4, and has gap between the threshing tooth 2 of threshing cylindrical shell 1 and curved screen 4.
The side of threshing cylindrical shell 1 is provided with chain transfer mechanism, described chain transfer mechanism comprises transmission chain and is positioned at transmission chain 5, the front portion of described chain 5 is inclined upwardly gradually, tend towards stability in middle part, rear portion is downward-sloping gradually, described threshing cylindrical shell 1 is positioned at the side at the middle part of chain 5, the top of the front portion of described chain 5 is provided with front grain pressing rod 7, the front portion of described front grain pressing rod 7 reaches outside chain 5, and the front portion of grain pressing rod 7 is upturned, and is conducive to entering of the seedlings of cereal crops.The rear portion of described front grain pressing rod 7 is close to the upper surface of chain 5, and the middle part of described chain 5 is provided with Ya He mechanism 8.
Described Ya He mechanism 8 is made up of parts such as entablature 81, screw rod 82, stage clip 83, pin 84, pressure standing grain plate 85, base 86, nut 87 and pilot sleeves 88.
Entablature 81 is provided with the through hole of downward-extension on row's axis, and the present embodiment is three through holes, and the aperture of the through hole of entablature 81 is provided with pilot sleeve 88, and pilot sleeve 88 is positioned at below entablature 81.Press down standing grain mechanism to be made up of some sections of pressure standing grain plates 85, select three sections of pressure standing grain plates 85 here, the cross section of pressure standing grain plate 85 is n shape, can make with channel-section steel.The afterbody being positioned at the top board of the pressure standing grain plate 85 at head and the tail two ends is lifted on below entablature 81 respectively by screw rod 82, the lower end of screw rod 82 is connected on the top board of pressure standing grain plate 85, the upper end of screw rod 82 is through pilot sleeve 88 and entablature 81, the threaded upper ends of screw rod 82 is connected with nut 87, and nut 87 plays the effect avoiding screw rod 82 to fall.Screw rod 82 overcoat has stage clip 83, and the lower end of stage clip 83 is welded on the top board of pressure standing grain plate 85, and the upper end of stage clip 83 is welded on the lower surface of entablature 81.
The cross section of base 86 is also n shape, also a bit of channel-section steel can be adopted to make, the top board of base 86 also with the same below being fixed on entablature 81 by screw rod 82 of pressure standing grain plate 85 at head and the tail two ends, also stage clip 83 is provided with outside screw rod 82, the upper end of this stage clip 83 is welded on the lower surface of entablature 81, and lower end is welded on the top board of base 86.
The two ends being positioned at two vertical support plates of middle pressure standing grain plate 85 form connecting portion respectively to extension, the head end being positioned at two vertical support plates of the pressure standing grain plate 85 of afterbody forms connecting portion respectively to extension, and the connecting portion being positioned at two vertical support plate tail ends of middle pressure standing grain plate 5 is connected to the front portion of two vertical support plates of base 6 by pin 4.The two support plate connecting portions being positioned at pressure standing grain plate 5 are above connected to the afterbody of base 6 liang of vertical support plates by pin 4.The connecting portion being positioned at two vertical support plate head ends of middle pressure standing grain plate 5 is connected to by pin 4 on two vertical support plates of the pressure standing grain plate 5 of head end.
The front end of described front grain pressing rod 7 reaches the below of the pressure standing grain plate 85 of Ya He mechanism 8, and the side plate being positioned at the pressure standing grain plate 85 of tail end is provided with rear grain pressing rod 6, and described rear grain pressing rod 6 is close to the surface at the rear portion of chain 5, and the afterbody of described rear grain pressing rod 6 is upturned.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technical staff in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (7)
1. a small rice combine separating mechanism, the threshing tooth (2) that the some rows comprising threshing cylindrical shell (1) and be distributed in thrashing cylinder (1) surface extend vertically, the center of described threshing cylindrical shell (1) is provided with rotating shaft, described threshing tooth (2) is arranged in the installing hole on threshing cylindrical shell (1) surface, the below of described threshing cylindrical shell (1) is provided with the screen cloth (4) of arc, described threshing cylindrical shell (1) is positioned at screen cloth (4), the side of described threshing cylindrical shell (1) is axially arranged with chain transfer mechanism along threshing cylindrical shell (1), it is characterized in that: often arrange threshing tooth (2) and be divided into three groups from the head end of threshing cylindrical shell (1) successively to tail end, the line in the center of circle of threshing tooth (2) installing hole of same row is curve upwards, the line in the center of circle of threshing tooth (2) installing hole of same group is straight line, wherein the angle (a) of the rotational line of first group of threshing tooth (2) and the axis of threshing cylindrical shell (1) is 22 °-30 °, the angle (b) of the rotational line of second group of threshing tooth (2) and the axis of threshing cylindrical shell (1) is 12 °-17 °, the rotational line of the 3rd group of threshing tooth (2) and the axis parallel of threshing cylindrical shell (1),
The front end-plate of described threshing cylindrical shell (1) is evenly provided with the splash-back (3) of arc, described arc splash-back (3) concave surface facing identical with the direction of rotation of threshing cylindrical shell (1), one end of described splash-back (3) is connected to the position near the end plate center of circle, the other end is connected on the excircle of end plate, and the angle (c) between the axis of the line between the two ends of described splash-back (3) and threshing cylindrical shell (1) is less than 90 °;
Described chain transfer mechanism comprises transmission chain and is positioned at transmission chain (5), the front portion of described chain (5) is inclined upwardly gradually, tend towards stability in middle part, rear portion is downward-sloping gradually, described threshing cylindrical shell (1) is positioned at the side at the middle part of chain (5), the top of the front portion of described chain (5) is provided with front grain pressing rod (7), the front portion of described front grain pressing rod (7) reaches chain (5) outward, the rear portion of described front grain pressing rod (7) is close to the upper surface of chain (5), the middle part of described chain (5) is provided with Ya He mechanism (8), the front end of described front grain pressing rod (7) reaches the below of the pressure standing grain plate (85) of Ya He mechanism (8), the pressure standing grain plate (85) of described Ya He mechanism (8) is provided with rear grain pressing rod (6), described rear grain pressing rod (6) is close to the surface at the rear portion of chain (5), and the afterbody of described rear grain pressing rod (6) is upturned.
2. small rice combine separating mechanism according to claim 1, is characterized in that: the angle (c) between the axis of the line between the two ends of described splash-back (3) and threshing cylindrical shell (1) is 60 °-85 °.
3. small rice combine separating mechanism according to claim 1 or 2, is characterized in that: the quantity being positioned at two groups of threshing tooths (2) of end is all less than the quantity of the one group of threshing tooth (2) being positioned at middle part.
4. small rice combine separating mechanism according to claim 3, is characterized in that: each row has eight threshing tooths (2), and wherein first two is first group, and middle four is second group, and two of tail end is the 3rd group.
5. small rice combine separating mechanism according to claim 3, is characterized in that: described threshing cylindrical shell (1) is distributed with nine row's threshing tooths (2), described splash-back (3) is three.
6. small rice combine separating mechanism according to claim 1; it is characterized in that: described threshing tooth (2) is n shape tooth; two supporting legs of described threshing tooth (2) are arranged in two installing holes on threshing cylindrical shell (1) surface respectively; the line in the center of circle of the leg mounting hole of the same side of the threshing tooth (2) of same row is curve, and the line in the center of circle of the installing hole of the supporting leg of the both sides of the threshing tooth (2) of same group is parallel.
7. small rice combine separating mechanism according to claim 1, it is characterized in that: described Ya He mechanism (8) comprise entablature (81) and by some sections pressure standing grain plate (85) form press down standing grain mechanism, the described lower end pressing down standing grain mechanism is close on driving chain (5), hinged by pin (84) between described pressure standing grain plate (85), described pressure standing grain plate (85) is lifted on entablature (81) below by many screw rods (82), the upper end of described screw rod (82) is through the through hole on entablature (81), the upper end coupling nut (87) of described screw rod (82), stage clip (83) is set with outside screw rod (82) between described entablature (81) and pressure standing grain plate (85).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420710702.4U CN204335385U (en) | 2014-11-24 | 2014-11-24 | Small rice combine separating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420710702.4U CN204335385U (en) | 2014-11-24 | 2014-11-24 | Small rice combine separating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204335385U true CN204335385U (en) | 2015-05-20 |
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ID=53218704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420710702.4U Expired - Fee Related CN204335385U (en) | 2014-11-24 | 2014-11-24 | Small rice combine separating mechanism |
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| Country | Link |
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| CN (1) | CN204335385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105284309A (en) * | 2015-12-07 | 2016-02-03 | 刘念湘 | Threshing device of harvester |
-
2014
- 2014-11-24 CN CN201420710702.4U patent/CN204335385U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105284309A (en) * | 2015-12-07 | 2016-02-03 | 刘念湘 | Threshing device of harvester |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150520 Termination date: 20161124 |