CN103202146A - Threshing device - Google Patents
Threshing device Download PDFInfo
- Publication number
- CN103202146A CN103202146A CN2013101444560A CN201310144456A CN103202146A CN 103202146 A CN103202146 A CN 103202146A CN 2013101444560 A CN2013101444560 A CN 2013101444560A CN 201310144456 A CN201310144456 A CN 201310144456A CN 103202146 A CN103202146 A CN 103202146A
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- Prior art keywords
- screening
- frame
- rear side
- threshing
- sieve
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/30—Straw separators, i.e. straw walkers, for separating residual grain from the straw
- A01F12/32—Straw separators, i.e. straw walkers, for separating residual grain from the straw with shaker screens or sieves
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/44—Grain cleaners; Grain separators
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/54—Arrangements for collecting or removing dust
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Threshing Machine Elements (AREA)
Abstract
The invention provides a threshing device for preventing grains conveying from a transport frame to a sieve from being mixed with processing objects such as straw fragments falling down from the above. The sieve for screening (25) is arranged at a position behind the rear side of the transport frame (24) of a swinging screening frame (22); the rear side of an air supply outlet (70) of a fan (19) is provided with a first guide surface (73) for guiding screening air blowing from the air supply outlet (70) upward; a second guide surface (75) in a vertical gesture or inclined in a manner of higher at the front side is arranged at the rear side of an opening portion (53A) at a lower portion that the transport frame (24) is formed on the swinging screening frame (22); and the screening air guided by the first guide surface (73) and the second guide surface (75) passes through an upper screening air path (71) at the lower surface of the transport frame (24) and blows upward from a position between the rear end part of the transport frame (24) and the front end part of the sieve (25).
Description
The application divides an application, and the application number of original bill application is 201210016673.7, and the applying date is on January 18th, 2012, and denomination of invention is " sheller unit ".
Technical field
The present invention relates to sheller unit.
Background technology
In the past, known following sheller unit, the downside of the threshing cylinder that possesses at threshing chamber is provided with the threshing net, below threshing chamber, be provided with swing screening frame, downside at this swing screening frame is provided with successively from front: be used for blowing the blower fan of screening wind, second recoverer (patent documentation 1) that is used for first recoverer that a thing after the screening is reclaimed and is used for the secondary thing after the screening is reclaimed.
Patent documentation 1: TOHKEMY 2008-237194 communique
Summary of the invention
The objective of the invention is to prevent from transporting of arranging of the front portion at the swing screening frame grain that frame transports to sieve with from above the handled things such as stalk bits that fall mix.
In order to solve above-mentioned problem, the present invention has adopted following technological means.
The invention of technical scheme 1 record is a kind of sheller unit, the downside of the threshing cylinder (11) that possesses at threshing chamber (12) is provided with threshing net (18), be provided with swing screening frame (22) in the below of described threshing chamber (12), downside at described swing screening frame (22), be provided with successively be used to the blower fan (19) that blows screening wind from front, for first recoverer (27) that a thing after the screening is reclaimed, with second recoverer (28) that is used for the secondary thing after the screening is reclaimed, described sheller unit is characterised in that, front portion at described swing screening frame (22) possesses the frame of transporting (24), the described frame (24) that transports is used for and will be transported to the rear from the handled thing that described threshing net (18) leaks down, the position of the rear side that transports frame (24) in described swing screening frame (22) has sieve (25), described sieve (25) is used for handled thing is screened, rear side at the air outlet (70) of described blower fan (19) is provided with first guide surface (73), described first guide surface (73) is used for blowing the screening wind direction that comes from described air outlet (70) and guides, rear side at the peristome (53A) at the position that is formed at the downside that transports frame (24) of described swing screening frame (22), second guide surface (75) that is provided with perpendicular attitude or tilts in the more high mode of more forward side,, and between the leading section of described rearward end of transporting frame (24) and sieve (25), upwards blown by the described upside screening wind path (71) that transports the lower face side of frame (24) by the screening wind of described first guide surface (73) and second guide surface (75) guiding.
The invention of technical scheme 2 records is in the sheller unit of technical scheme 1 record, to be provided with the 3rd guide surface (76) that hind wing ground tilts at the described lower surface that transports frame (24).
The invention of technical scheme 3 records is, in the sheller unit of technical scheme 2 records, at the top of the housing (20) of described blower fan (19) configuration stringer board (74), form wind path (73A) up between described stringer board (74) and described first guide surface (73), the screening wind that has passed through described wind path up (73A) is guided to described upside screening wind path (71).
The invention of technical scheme 4 records is, in the sheller unit of technical scheme 3 records, the downside of the screening net (29) that possesses in the bottom of described swing screening frame (22) is provided with plate (68), described plate (68) is used for making the screening wind that blows from described blower fan (19) upwards to blow towards described sieve (25), and the rear extended line on the inclined plane of described plate (68) is towards the suction port (38A) of the dust exhausting fan (38) of the aspiration-type of the top of the terminal of screening frame (22) in described swing configuration.
The invention of technical scheme 5 records is, in the sheller unit of any record of technical scheme 1 to 4, between second side plate (17) of first side plate (16) of the front side of described threshing chamber (12) and rear side, be provided with threshing cylinder (11), make the rearward end of described threshing cylinder (11) rearward more outstanding than the rearward end of threshing net (18), the rearward end of the threshing net (18) in described threshing chamber (12) and the position between described second side plate (17) are provided with interconnecting part (H), described interconnecting part (H) is communicated with the dust discharge process chamber (30) that possesses dust discharge processing cylinder (31), possesses the filter element (100) for the filtration treatment thing in the bottom of described interconnecting part (H), position in the centre of the fore-and-aft direction of described filter element (100) is provided with dividing plate (51), described dividing plate (51) applies resistance to rearward the transporting of the handled thing on the described filter element (100), position at the rear side of the dividing plate (51) of described filter element (100) is formed with rear side filter house (46), position in the front side of the dividing plate (51) of filter element (100) is formed with front side filter house (45), and the screening wind that has passed through described upside screening wind path (71) blows towards front side filter house (45).
The invention of technical scheme 6 records, in the sheller unit of technical scheme 5 record, the mesh of described front side filter house (45) is set at the mesh identical with the mesh of described rear side filter house (46) or the mesh littler than the mesh of described rear side filter house (46).
Invention according to technical scheme 1 record, the screening wind that blows from blower fan (19) upwards blows between the leading section of the rearward end of transporting frame (24) and sieve (25), therefore, can prevent from mixing to sieve (25) grain that transports and the handled things such as stalk bits that fall from the top from transporting frame (24).
And, first guide surface (73) that is arranged by the rear side at the air outlet (70) of blower fan (19) is second guide surface (75) that arranges by the rear side at the peristome (53A) of the downside that transports frame (24) of the screening wind of guiding and further upwards and be directed to upside screening wind path (71), therefore can guide the screening wind that blows from blower fan (19) efficiently upwards.
Invention according to technical scheme 2 records, not only played the effect of the invention of technique scheme 1 record, and, by first guide surface (73) and second guide surface (75) upwards the screening wind of guiding by the 3rd guide surface (76) along the direction guiding parallel with the lower surface that transports frame (24), therefore improved the effect that the handled thing that will fall from the rear end of transporting frame (24) rearward transports.
Invention according to technical scheme 3 records, not only played the effect of the invention of technique scheme 2 records, and, can make the screening wind that blows from blower fan (19) wind path up (73A) by between the stringer board (74) on the top of the housing that is disposed at described blower fan (19) (20) and first guide surface (73), forming, and with described screening wind guiding to upside screening wind path (71).
Invention according to technical scheme 4 records, not only played the effect of the invention of technique scheme 3 records, and, by the screening wind that blows from blower fan (19) is upwards blown towards sieve (25), can make described screening wind blow over sieve (25) consumingly, promote grain and separating that stalk is considered to be worth doing.
Invention according to technical scheme 5 records, not only played the effect of the invention of any record in the technique scheme 1 to 4, and, in front side filter house (45), prevented from dropping near stalk bits of falling the front end of dust discharge treating apparatus (30) etc. the front of sieve (25), can prevent that grain and stalk bits etc. from mixing.
Invention according to technical scheme 6 records, not only played the effect of the invention of technique scheme 5 records, and, stalk in the threshing chamber (12) bits can be transported to dust discharge process chamber (30) swimmingly, can prevent that big stalk bits from falling swing screening frame (22), improve screening precision and screening effeciency.
If particularly the mesh of front side filter house (45) is littler than the mesh of rear side filter house (46), position in the forward side of ratio dividing plate (51) of interconnecting part (H), make big object being treated transfer to dust discharge process chamber (30) and prevent that big stalk bits from falling swing screening frame (22), and, lean on the position of rear side at the ratio dividing plate (51) of interconnecting part (H), fall swing screening frame (22) by making object being treated, thereby suppressed the obstruction of the object being treated in the interconnecting part (H), can further improve whole screening precision and screening effeciency.
Description of drawings
Fig. 1 is the end view of combine.
Fig. 2 is the vertical profile end view of sheller unit.
Fig. 3 is near the vertical profile end view the blower fan.
Fig. 4 is the end view of the outlet of threshing chamber.
Fig. 5 is the vertical view of the outlet of above-mentioned threshing chamber.
Fig. 6 is the front view of the outlet of above-mentioned threshing chamber.
Fig. 7 is the rearview of the outlet of above-mentioned threshing chamber.
Fig. 8 is the end view of another embodiment of the outlet of threshing chamber.
Fig. 9 is the vertical view of above-mentioned another embodiment of the outlet of threshing chamber.
Figure 10 is the front view of above-mentioned another embodiment of the outlet of threshing chamber.
Figure 11 is the vertical view of another embodiment of the outlet of threshing chamber.
Figure 12 is the vertical view of another embodiment of the outlet of threshing chamber.
Figure 13 is the end view of above-mentioned another embodiment of the outlet of threshing chamber.
Figure 14 is the vertical view of another embodiment of the outlet of threshing chamber.
Figure 15 is the end view of above-mentioned another embodiment of the outlet of threshing chamber.
Figure 16 is the vertical view of another embodiment of the outlet of threshing chamber.
Figure 17 is the end view of above-mentioned another embodiment of the outlet of threshing chamber.
Figure 18 is the vertical view of another embodiment of the outlet of threshing chamber.
Figure 19 is near the vertical profile end view the blower fan.
Figure 20 is the end view that cylinder is handled in dust discharge.
Figure 21 is the rearview that the major part of cylinder is handled in dust discharge.
Figure 22 is the rearview of the major part of sheller unit.
Figure 23 is the vertical view of sheller unit.
Figure 24 is the profilograph of sheller unit.
Figure 25 is the A-A profile of Figure 23.
Label declaration
11: threshing cylinder;
12: threshing chamber;
16: header board (first side plate);
17: plate behind the threshing chamber (second side plate);
18: the threshing net;
19: blower fan;
20: Blower Housing (housing);
22: swing screening frame;
24: transport frame portion (transporting frame);
25: sieve;
27: numbers conveyers (first recoverer);
28: No. two conveyers (second recoverer);
29: the screening net;
30: dust discharge treating apparatus (dust discharge process chamber);
31: cylinder is handled in dust discharge;
38: attract dust exhausting fan (dust exhausting fan of aspiration-type);
38A: suction port;
45: the front side filter house;
46: the rear side filter house;
51: dividing plate;
53A: peristome
68: plate;
70: air outlet;
71: upside screening wind path;
73: guide surface (first guide surface);
73A: wind path up;
74: vertical piece (stringer board);
75: guided plate (second guide surface);
76: side directed of frame (the 3rd guide surface);
100: filter element;
H: interconnecting part.
Embodiment
The words of one embodiment of the present of invention are described by the accompanying drawing of combine, label 1 is the organism frame of combine, label 2 is arranged on the running gear of the below of organism frame 1, label 3 is arranged on the sheller unit of the top of organism frame 1, label 4 is arranged on the reaping part of the front side of sheller unit 3, label 5 is arranged on the grain case of the sidepiece of sheller unit 3, and label 6 is arranged on the manoeuvre portion of the front side of grain case 5.
＜sheller unit 〉
Above-mentioned sheller unit 3 is provided with threshing chamber 12 on top, these threshing chamber 12 approximate horizontal earth's axis are equipped with threshing cylinder 11, and this threshing cylinder 11 has threshing tooth 10.Side at threshing chamber 12 is provided with the supply conveyance chain 14 that the cereal stalk is supplied with carrying device 13, and described cereal stalk is supplied with carrying device 13 and is used for supplying with the cereal stalk that conveyance is arrived by above-mentioned reaping part 4 harvestings.In addition, wait direction to describe in order to understand easily all around in following the expression easily, but limiting structure thus not.
11 of threshing cylinders are assemblied in plate (second side plate) 17 behind header board (first side plate) 16 of sheller unit 3 and the threshing chamber, mainly are that the lower side of threshing cylinder 11 is surrounded by threshing net 18.The Blower Housing (housing) 20 of blower fan 19 is set below threshing net 18.Below above-mentioned threshing chamber 12, form selection by winnowing chamber 21, this selection by winnowing chamber 21 can be come selection by winnowing grain and impurity by the air-supply of above-mentioned blower fan 19, be provided with oscillating riddle screening device 23 in selection by winnowing chamber 21, this oscillating riddle screening device 23 is to be made of the swing screening frame 22 at air supply direction (fore-and-aft direction) reciprocally swinging of blower fan 19.
＜oscillating riddle screening device 〉
The structure of oscillating riddle screening device 23 can be arbitrarily, an example is shown be: the top portion (leading section) of above-mentioned swing screening frame 22 is positioned at the top of Blower Housing 20 and forms the frame portion (transporting frame) 24 that transports.Though omitted diagram, be provided with projection or concavo-convex at the upper surface that transports frame portion 24, will be transported to the carriage direction downstream of swing screening frame 22 from the dropping of threshing net 18.
Be provided with sieve 25 in the carriage direction downstream of transporting frame portion 24.Sieve 25 is made of the grain sieve 25A of front side and the glume-shell screen 25B of rear side.
25 pairs of grain of sieve and impurity screen, and are set side by side with a plurality of sieves 25 across predetermined space at swaying direction.Sieve 25 forms thin writing board shape, and constitutes and can freely regulate the angle of inclination in the higher angular range in the downstream of carriage direction (rear side).
Downstream (rear side) at the carriage direction of glume-shell screen 25B arranges straw shaker (straw rack) 26.Below swing screening frame 22, a conveyer (first recoverer) 27 is set, at the rear side of a conveyer 27 No. two conveyers (second recoverer) is set.Label 29 is arranged on the screening net of sieve 25 belows.
＜dust discharge treating apparatus 〉
The side, rear portion (end side) that the opposite side of side is set with above-mentioned cereal stalk supply carrying device 13 at threshing cylinder 11 is provided with dust discharge treating apparatus (dust discharge process chamber) 30.30 of dust discharge treating apparatus are equipped with the dust discharge of the axle center almost parallel of threshing cylinder 11 and handle cylinder 31, and the dust discharge connected entrance 33(Fig. 2 at the rear portion of dust discharge treating apparatus 30 by being arranged on threshing chamber 12) and be communicated with threshing chamber 12.
The dust discharge handled thing that produces in threshing chamber 12 is taken in the dust discharge treating apparatus 30 by dust discharge connected entrance 33, and is handling between the net (notch board) 101 when the rotation of handling cylinder 31 by means of dust discharge is sent to the rear grain and stalk bits are separated.
The beginning end axis that cylinder 31 is handled in dust discharge is assemblied in middle plate 34, is being provided with outlet 35 between the plate 17 behind middle plate 34 and the threshing chamber, and this outlet 35 will not comprise and can discharge from the object being treated that the stalk that threshing net 18 falls is considered to be worth doing.
Dust discharge is handled cylinder 31 and is had: continuously shape transport conveyor screw (conveyor screw) 102, the periphery of cylinder 31 is handled in its winding in dust discharge; And dust discharge is handled tooth 102a, its outstanding this spirochetal periphery that is arranged on.
The conveyor screw 102 that transports that the front portion (position relative with dust discharge connected entrance 33) of cylinder 31 is handled in dust discharge is that pitch is that conveyor screw 102b is transported in the front side of pitch P, and the conveyor screw 102 that transports from the pars intermedia to the rear portion is that the little rear side of pitch ratio pitch P transports conveyor screw 102c.
Namely, except being provided with a plurality of processing plate bodys 103 corresponding to the rear position the part of 33 ones of the dust discharge connected entrances that is communicated with threshing chamber 12, handle the axis direction of cylinder 31 from dust discharge and observe, each plate body is configured at interval with equal angles in a circumferential direction.
The height setting of handling plate body 103 is low for the periphery ora terminalis that transports conveyor screw 102c than the rear side that transports conveyor screw 102, but the height that the height setting that will handle plate body 103 is rear side to be transported about half of conveyor screw 102c is appropriate.In addition, handle plate body 103 and can constitute axis of rotation quadrature (radiation direction) or maintenance advancing angle or the receding angle of handling cylinder 31 with dust discharge.
And, as Figure 21 and shown in Figure 22, handling plate body 103 also can be set to parallel with the axis of rotation direction (fore-and-aft direction) of dust discharge processing cylinder 31, if but will handle the conveyance direction that plate body 103 is arranged to the dust discharge handled thing is that benchmark suitably tilts to the direction that applies the conveyance resistance, can further improve treatment effect.
The end side of handling cylinder 31 in dust discharge is provided with the dust discharge thing is discharged to discharge blade 104 outside the machine.
＜after-treatment device 〉
Be provided with after-treatment device 36 in the front side of above-mentioned dust discharge treating apparatus 30,36 pairs of secondary things by No. two conveyer 28 recovery of this after-treatment device are handled.
The after-treatment cylinder 37 of after-treatment device 36 is handled cylinder 31 with dust discharge and is the configuration of concentric shape ground.After-treatment cylinder 37 constitutes for the conveyance direction of supplying with carrying device 13 with the cereal stalk on the contrary to the beginning end side top conveyance object being treated of swing screening frame 22, and this after-treatment cylinder 37 is positioned at the side of threshing net 18.In addition, label 38 is that attraction dust exhausting fan (dust exhausting fan of aspiration-type), label 38A are that suction port, label 39 are the housings that attract dust exhausting fan 38.
＜the dust discharge interconnecting part of threshing chamber 〉
And the front part in the end side part that does not have threshing net 18 of threshing chamber 12 forms dust discharge interconnecting part (interconnecting part) H, forms above-mentioned dust discharge connected entrance 33 in dust discharge interconnecting part H.
Rear section in the end side part that does not have threshing net 18 of threshing chamber 12 forms and thrusts a recoverer (the 3rd recoverer) S.The rear portion that makes above-mentioned threshing cylinder 11 prolongs and towards above-mentioned dust discharge interconnecting part H and thrust in the recoverer S.
Threshing tooth 10 in the above-mentioned dust discharge interconnecting part H of above-mentioned threshing cylinder 11 is set at than the threshing tooth 10 above the threshing net 18 of threshing cylinder 11 at the interval of the axis direction of threshing cylinder 11 narrow (close) at the interval of the axis direction of threshing cylinder 11.
Therefore, can carry out object being treated to the transfer of dust discharge connected entrance 33 smoothly, efficiently.
＜the front and back sieve part of oscillating riddle screening device 〉
And, front side sieve part 40 and the rear side sieve part 41 of two row before and after swing screening frame 20 is set side by side with.
Front side sieve part 40 and rear side sieve part 41 are set up in parallel a plurality of sieve lines 42 and constitute across predetermined space at left and right directions, and described sieve line 42 is rearward outstanding.
Make the top portion of rear side sieve part 41 be positioned at the below of the terminal part of front side sieve part 40, make that above-mentioned front side sieve part 40 and rear side sieve part 41 front and back ground is overlapping.
Therefore, can prevent the falling of stalk bits on the sieve 25, improve screenability.
The front end of above-mentioned front side sieve part 40 is positioned at below the terminal of above-mentioned threshing chamber 12.
Therefore, front side sieve part 40 is caught the stalk bits that fall from the outlet 35 of threshing chamber 12 and is transported to the rear, can prevent that the stalk bits from falling on the sieve 25, improves screenability.
In addition, above-mentioned front side sieve part 40 is positioned at the below of the rear section of above-mentioned outlet 35.
Therefore, front side sieve part 40 is caught the stalk bits that fall from dust discharge connected entrance 33 and is transported to the rear, can prevent that the stalk bits from falling on the sieve 25, improves screenability.
In addition, above-mentioned front side sieve part 40 is arranged at the top of a shelf tip part 43, and this shelf tip part 43 is located at swing screening frame 22.
Therefore, the screening wind from blower fan 19 that is directed into a shelf tip part 43 is blown over front side sieve part 40 consumingly, and promotion stalk bits separate with grain.Label 44A is that installation portion, label 44B are the elasticity guide members.
In addition, the front end of above-mentioned front side sieve part 40 is positioned at identical with the rear end of screening net 29 or more forward than the rear end of screening net 29 position, and described screening net 29 is arranged on sieve 25 belows of above-mentioned swing screening frame 22.
Therefore, can prevent that the stalk bits from falling to a conveyer 27, improves screenability.
＜posture changing of sieve 〉
Above-mentioned sieve 25 constitutes, and can freely regulate the angle of inclination, and regulates the inclination of changing front side sieve part 40 and rear side sieve part 41 linkedly with the angle of inclination of sieve 25.
Namely, when sieve 25 is erected, when widening the interval of sieve 25, the steep dip that the inclination of front side sieve part 40 and rear side sieve part 41 becomes hind wing is oblique.
Therefore, can screen with the optimum state corresponding with job state.
＜outlet of threshing chamber 〉
Dispose filter element 100 at outlet 35.This filter element 100 is front side filter house 45 and rear side filter house 46, and the mesh of front side filter house 45 is bigger than threshing net 18, and the mesh of the rear side filter house 46 of the rear side of front side filter house 45 is bigger than front side filter house 45.
And, be formed with the portion of falling 47 at the rear side of rear side filter house 46, be provided with in the portion of falling 47 and fall guide 48(Fig. 2).
Above-mentioned front side filter house 45 is arranged on the position arranged side by side with above-mentioned dust discharge connected entrance 33, front side filter house 45 become not from threshing net 18 fall but arrive outlet 35 useless stalk fall resistance.
Therefore, above-mentioned front side filter house 45 is assisted so that described useless stalk does not directly fall downwards but 30 transfers from dust discharge connected entrance 33 to the dust discharge treating apparatus from outlet 35, alleviates the load of oscillating riddle screening device 23, and screening effeciency is improved.
If namely outlet 35 is formed open design, arrive outlet 35 and the object being treateds such as useless stalk that do not fall from threshing net 18 are directly fallen the below, be difficult to transfer to dust discharge treating apparatus 30, but big object being treated from the object being treated that threshing net 18 falls, that also do not fall from front side filter house 45 is transferred to dust discharge treating apparatus 30 from dust discharge connected entrance 33, improve described object being treated to the transfer efficiency that dust discharge treating apparatus 30 shifts, improved whole screening precision and screening effeciency.
Make front side filter house 45, the rear side filter house 46 of above-mentioned outlet 35 and fall the diameter that leaks down of portion 47 different.
Front side filter house 45 has the front side dividing plate of circumferentially holding up (the 3rd dividing plate) 50 along threshing cylinder 11 at leading section, and front side filter house 45 is provided with the front side body 54 that leaks down, the described front side body 54 that leaks down has the hole of falling 53, and the described hole 53 that falls will be by will being that first axostylus axostyle about 52 of fore-and-aft direction is set up in parallel and constitutes with the axis direction of threshing cylinder 11.
Circumferentially be provided with first dividing plate (central dividing plate) 51 between front side filter house 45 and the rear side filter house 46.
In addition, rear side filter house 46 is set side by side with the second partition of circumferentially holding up (rear side dividing plate) 55 along threshing cylinder 11 in rearward end, and rear side filter house 46 is provided with the rear side body 58 that leaks down, the described rear side body 58 that leaks down has the hole of falling 57, and the described hole 57 that falls will be by will being that second axostylus axostyle about 56 of fore-and-aft direction is set up in parallel and constitutes with the axis direction of threshing cylinder 11.
At rear side filter house 46, form the leak down configuration space of second axostylus axostyle 56 of body 58 of rear side bigger than the front side body 54 that leaks down, rear side is fallen hole 57 form to such an extent that to fall hole 53 than the front side big.
In addition, the height of first dividing plate 51 forms minimumly, and the height of second partition 55 forms than the height height of front side dividing plate 50.In addition, the height of front side dividing plate 50, first dividing plate 51 and second partition 55 refers to leak down from the front side of threshing net 18 and front side filter house 45 rear side of body 54 and rear side filter house 46 of each dividing plate and leaks down the inner surface of body 58 to the outstanding amount of the direction of the axis of rotation of threshing cylinder 11.
Namely, the front side of front side filter house 45 rear side of body 54 and rear side filter house 46 body 58 that leaks down that leaks down forms clathrate by front side dividing plate 50 and first dividing plate 51 and second partition 55 and first axostylus axostyle 52 and second axostylus axostyle 56, be provided with in the portion of falling 47 and fall guide 48, the described guide 48 that falls is along with rolling tiltedly to dust discharge treating apparatus 30 near rear side.
Therefore, the front side that is subjected to having the front side filter house 45 of little mesh of the big object being treated from the object being treated that threshing net 18 the falls resistance of body 54 that leaks down not, thus successfully carry out the transfer to dust discharge treating apparatus 30 (sending into) from dust discharge connected entrance 33.
At rear side filter house 46, make object being treated fall hole 57 and fall on the swing screening frame 22 than the front side of the front side filter house 45 body 54 big rear sides that leak down from mesh, prevent from stopping up at outlet 35, improve object being treated to the transfer efficiency that dust discharge treating apparatus 30 shifts, improve whole screening precision and screening effeciency.
In addition, in the portion of falling 47, owing to be provided with along with rolling the oblique guide 48 that falls near rear side to dust discharge treating apparatus 30, therefore the recovery of thrusting grain in the conveyance cereal stalk is carried out well, and the grain that thrusts that has suppressed temporarily to fall from conveyance cereal stalk penetrates in the conveyance cereal stalk again, it is fallen on the swing screening frame 22 reclaim.
In addition, in order to prevent being fallen back to dust discharge interconnecting part H by the object being treated of conveyance to dust discharge treating apparatus 30, in the present embodiment, below 1/2 of pitch P that conveyor screw 102b is transported in the spiral helicine front side of cylinder 31 is handled in the dust discharge that is contained in dust discharge treating apparatus 30 in the interval L1 of the fore-and-aft direction of front side dividing plate 50 and first dividing plate 51 is set at, and is preferably set to 1/2 of pitch P.
And, for efficiently with the object being treated conveyance to dust discharge treating apparatus 30, the interval L2 of front side dividing plate 50 and the fore-and-aft direction of second partition 55 is set at dust discharge handles the front side of cylinder 31 and transport below the pitch P of conveyor screw 102b, be preferably set to pitch P and equate.
In addition, front side dividing plate 50, first dividing plate 51 and second partition 55 are: the lower outer periphery that is arranged to surround threshing cylinder 11, and supported by the installing component of the left end that is arranged on front side dividing plate 50, first dividing plate 51 and second partition 55, and be installed in the lower wall of threshing chamber 12 by secure components such as bolts.
In addition, at dust discharge interconnecting part H and thrust and be provided with the second partition of holding up 55 between the recoverer S, second partition 55 forms than the front side that is arranged on front side filter house 45 leak down central dividing plate 51 height between the body 58 of the rear side of body 54 and rear side filter house 46 that leak down.
Even the amount of object being treated increases, the second partition 55 that forms highlyer than first dividing plate (central dividing plate) 51 also can promote object being treated to the transfer of dust discharge treating apparatus 30, suppresses object being treated to thrusting the inflow of recoverer S, reduces by four loss occurrences.
In addition, the front end of above-mentioned front side sieve part 40 mesh that is arranged in above-mentioned outlet 35 becomes the below of big rear side filter house 46.
Fall and mesh in outlet 35 becomes the trend that the amount of falling of big rear side filter house 46 stalks bits can increase though exist at outlet 35 grain and stalk bits, but owing to make the front end of front side sieve part 40 be positioned at the below of rear side filter house 46, therefore suppressed stalk bits falling to sieve 25.
In addition, front side filter house 45 and rear side filter house 46 utilize first axostylus axostyle 52 and second axostylus axostyle 56 to form and fall hole 53 and fall hole 57, first axostylus axostyle 52 on the direction of rotation of threshing cylinder 11 is different with the configuration space of second axostylus axostyle 56, therefore can make the resistance difference of object being treated of the direction of rotation of threshing cylinder 11, improve object being treated to the transfer efficiency that dust discharge treating apparatus 30 shifts, reduced the load to swing screening frame 22.
In addition, owing to the guide 48 that falls that falls portion 47 rolls tiltedly to dust discharge treating apparatus 30 along with close rear side, therefore will be directed to dust discharge treating apparatus 30 sides from the object being treated that the portion of falling 47 falls, and make and swing the object being treated equalization of screening on the frame 22.
＜other modes of the outlet of threshing chamber 〉
Fig. 8～Figure 10 represents another embodiment of outlet 35, and front side filter house 45 and rear side filter house 46 utilize plate 60 and dividing plate 50,51,55 to form and fall hole 53,57, and plate 60 is to the tangential direction predetermined oblique angle.
Therefore, the planar portions of plate 60 forms resistance, can increase the resistance to object being treated, improves object being treated to the transfer efficiency that dust discharge treating apparatus 30 shifts, and has reduced the load to swing screening frame 22.
In addition, fall hole 53,57 because front side filter house 45 and rear side filter house 46 utilize plate 60 and dividing plate 50,51,55 to form, therefore can suppress the winding of useless stalk, can prevent obstruction, and can easily safeguard.
Figure 11 represents the another embodiment of outlet 35, front side filter house 45 and rear side filter house 46 utilize plate 60 and dividing plate 50,51,55 to form and fall hole 53,57, and the axis direction that this plate 60 constitutes with threshing cylinder 11 is that benchmark is along with rolling tiltedly to dust discharge treating apparatus 30 near rear side.
Therefore, will be directed to dust discharge treating apparatus 30 sides from the object being treated that front side filter house 45 and rear side filter house 46 fall, make the object being treated equalization on the swing screening frame 22.
Figure 12, Figure 13 represent the another embodiment of outlet 35, and front side filter house 45 and rear side filter house 46 utilizes the dividing plate 50,51 that intersects with the axis direction of threshing cylinder 11,55, and body 54 and the rear side body 58 that leaks down leaks down in the formation front side with being clathrate with the axostylus axostyle 61 parallel with the axis direction of threshing cylinder 11.
Therefore, can reduce the resistance of object being treated of the direction of rotation of threshing cylinder 11 at the front side of outlet 35 filter house 45 and rear side filter house 46, inhibition is sent into the effect of sending into of object being treated to dust discharge treating apparatus 30, can alleviate the load of dust discharge treating apparatus 30.
Figure 14, Figure 15 have represented the another embodiment of outlet 35, be provided with rugosity screen cloth (Network リ ン プ Net) 65 at front side filter house 45, mesh by this rugosity screen cloth 65 forms the above-mentioned hole 53 that falls, be provided with the axostylus axostyle parallel with the axis direction of threshing cylinder 11 61 at rear side filter house 46, be provided with in the portion of falling 47 and fall guide 48.
Therefore, increased at the front side of outlet 35 filter house 45 threshing cylinder 11 direction of rotation object being treated resistance to dust discharge treating apparatus 30 send into object being treated to send into effect preferential, then make leaking down of object being treated preferential at rear side filter house 46.
Figure 16, Figure 17 have represented the another embodiment of outlet 35, front side filter house 45 utilizes the rugosity screen cloth in front side 65 to form the front sides body 54 that leaks down, rear side filter house 46 utilizes the rugosity screen cloth of rear side 66 to form the rear sides body 58 that leaks down, and with the rugosity screen cloth 66 of rear side fall hole 57 form than the rugosity screen cloth 65 in front side to fall hole 53 big.
Therefore, at the front side of outlet 35 filter house 45, utilize the rugosity screen cloth 65 in the little front side of mesh make to dust discharge treating apparatus 30 send into object being treated to send into effect preferential, then utilize the rugosity screen cloth 66 of the big rear side of mesh to make leaking down of object being treated preferential at rear side filter house 46.
Figure 18 has represented the another embodiment of outlet 35, at front side filter house 45 and rear side filter house 46 the identical rugosity screen cloth 65 of mesh is set, 47 settings fall guide 48 in the portion of falling, and this falls guide 48 along with rolling tiltedly to dust discharge treating apparatus 30 near rear side.
Therefore, the recovery of thrusting grain in the conveyance cereal stalk is carried out well, and the grain that has temporarily discharged can be fallen on the swing screening frame 22 and is recovered and can not become again and thrust grain.
＜selection by winnowing structure 〉
Be arranged at above-mentioned swing screening frame 22 below a shelf tip part 43 and the centre position up and down of the screening net 29 of swing screening frame 22 be provided with than shelf tip part 43 plate 68(Fig. 2 steep, the inclination of hind wing ground also).
Therefore, plate 68 make by the top of a shelf tip part 43, upwards blow towards sieve 25 from the screening wind of blower fan 19, make from the screening wind of blower fan 19 and blow over consumingly on 25 on sieve, promote separating of stalk bits and grain.
In this structure, above-mentioned plate 68 forms, and the rear extended line on the inclined plane of this plate 68 is relative with the suction port 38A that attracts dust exhausting fan 38 above the terminal of above-mentioned swing screening frame 22.
Therefore, utilize the suction port 38A of plate 68 and attraction dust exhausting fan 38, make top by a shelf tip part 43, further upwards blow towards sieve 25 from the screening wind of blower fan 19, make from the screening wind of blower fan 19 and blow over consumingly on 25 on sieve, promoted separating of stalk bits and grain.
＜blower fan wind path 〉
And above-mentioned Blower Housing 20 and blower fan 19 are positioned at the below of transporting frame portion 24 of swing screening frame 22.Be provided with air outlet 70(Figure 21 at Blower Housing 20).
Screen wind path (screening wind path) 71 from forming upside upward between the top portion of the terminal of transporting frame portion 24 of above-mentioned swing screening frame 22 and sieve 25, screening wind from above-mentioned blower fan 19 is blown over from this upside screening wind path (screening wind path) 71, and makes the front side filter house 45 of above-mentioned outlet 35 relative with the air supply direction of this upside screening wind path 71.
Therefore, at the front side of outlet 35 filter house 45, prevented from falling near the field trash that falls the front end of dust discharge treating apparatus 30 sieve 25 of top side, prevented that grain and field trash from mixing.
The structure that forms this upside screening wind path 71 is arbitrarily, an example is shown is: the rear side at the air outlet 70 of Blower Housing 20 arranges upside wind guiding member 72.Be provided with guide surface (first guide surface) 73 at above-mentioned upside wind guiding member 72, this guide surface 73 will guide towards the above-mentioned lower surface that transports frame portion 24 from the air-supply of air outlet 70.Vertical piece (stringer board) 74 is with upside wind guiding member 72 almost parallels and towards the air-supply of the lower surface guiding of transporting frame portion 24 from air outlet 70, this vertical piece 74 is positioned at the above-mentioned Blower Housing 20 of the top of upside wind guiding member 72, between guide surface 73 and vertical piece 74, form wind path 73A up, from the air-supply of wind path 73A up conversion direction and by upside screening wind path 71, to front side filter house 45 air-supplies of outlet 35 behind the lower surface that transports frame portion 24 that runs into swing screening frame 22.
Namely, make the front and back position ratio of the vertical piece 74 of Blower Housing 20 swing the forward side in the rear end of transporting frame portion 24 of screening frame 22, make and pass up from the air-supply of air outlet 70 by upside wind guiding member 72 and vertical piece 74 that wind path 73A is directed into the top, the front part from 71 air-supplies of upside screening wind path to sieve 25.
Therefore, can make near the field trash the front end of dust discharge treating apparatus 30 and rearward disperse, and sieve 25 is located at than the front end of above-mentioned outlet 35 position of forward side also, increase the screening area of the fore-and-aft direction of sieve 25.
The length of transporting frame portion 24 and the above-mentioned threshing net 18 of above-mentioned swing screening frame 22 are roughly the same.
Therefore, receive the leaking down thing of threshing chamber 12 and in the left and right directions equalization, improved the screening effect of sieve 25 with transporting frame portion 24.
In addition, because the length of transporting frame portion 24 and the threshing net 18 of swing screening frame 22 are roughly the same, therefore correspondingly screening wind direction sieve 25 air-supplies of being kicked up by above-mentioned upside wind guiding member 72 and vertical piece 74 can also be able to be expected to carry out well from transporting frame portion 24 to the effect of the object being treated handing-over of sieve 25.
In this structure, be provided with approximate vertical or along with the guided plate (second guide surface) 75 that tilts higherly near the front side at the rear side of the peristome 53A of swing screening frame 22.
Thus, the air-supply that will be guided up by upside wind guiding member 72 and the vertical piece 74 of Blower Housing 20 is preceding side directed towards the frame portion 24 that transports of swinging screening frame 22, consequently, air-supply further up and be directed into upside screening wind path 71, the air-supply with blower fan 19 efficiently is directed to upside screening wind path 71.
Be provided with side directed (the 3rd guide surface) 76 of frame of hind wing at the lower surface that transports frame portion 24 of above-mentioned swing screening frame 22.
Thus, to transport side directed 76 in the canopy of frame portion 24 lower surfaces to the direction guiding parallel with the lower surface that transports frame portion 24 by the upside wind guiding member 72 of Blower Housing 20 and the air-supply utilization that vertical piece 74 guides up, consequently, having improved will be from transporting the function of transportation that object being treated that frame portion 24 falls rearward transports.
Claims (6)
1. sheller unit, the downside of the threshing cylinder (11) that possesses at threshing chamber (12) is provided with threshing net (18), be provided with swing screening frame (22) in the below of described threshing chamber (12), downside at described swing screening frame (22), be provided with successively be used to the blower fan (19) that blows screening wind from front, for first recoverer (27) that a thing after the screening is reclaimed, with second recoverer (28) that is used for the secondary thing after the screening is reclaimed, described sheller unit is characterised in that
Front portion at described swing screening frame (22) possesses the frame of transporting (24), the described frame (24) that transports is used for and will be transported to the rear from the handled thing that described threshing net (18) leaks down, the position of the rear side that transports frame (24) in described swing screening frame (22) has sieve (25), described sieve (25) is used for handled thing is screened, rear side at the air outlet (70) of described blower fan (19) is provided with first guide surface (73), described first guide surface (73) is used for blowing the screening wind direction that comes from described air outlet (70) and guides, rear side at the peristome (53A) at the position that is formed at the downside that transports frame (24) of described swing screening frame (22), second guide surface (75) that is provided with perpendicular attitude or tilts in the more high mode of more forward side,, and between the leading section of described rearward end of transporting frame (24) and sieve (25), upwards blown by the described upside screening wind path (71) that transports the lower face side of frame (24) by the screening wind of described first guide surface (73) and second guide surface (75) guiding.
2. sheller unit according to claim 1, wherein,
Be provided with the 3rd guide surface (76) that hind wing ground tilts at the described lower surface that transports frame (24).
3. sheller unit according to claim 2, wherein,
At the top of the housing (20) of described blower fan (19) configuration stringer board (74), form wind path (73A) up between described stringer board (74) and described first guide surface (73), the screening wind that has passed through described wind path up (73A) is guided to described upside screening wind path (71).
4. sheller unit according to claim 3, wherein,
The downside of the screening net (29) that possesses in the bottom of described swing screening frame (22) is provided with plate (68), described plate (68) is used for making the screening wind that blows from described blower fan (19) upwards to blow towards described sieve (25), and the rear extended line on the inclined plane of described plate (68) is towards the suction port (38A) of the dust exhausting fan (38) of the aspiration-type of the top of the terminal of screening frame (22) in described swing configuration.
5. according to any described sheller unit in the claim 1 to 4, wherein,
Between second side plate (17) of first side plate (16) of the front side of described threshing chamber (12) and rear side, be provided with threshing cylinder (11), make the rearward end of described threshing cylinder (11) rearward more outstanding than the rearward end of threshing net (18), the rearward end of the threshing net (18) in described threshing chamber (12) and the position between described second side plate (17) are provided with interconnecting part (H), described interconnecting part (H) is communicated with the dust discharge process chamber (30) that possesses dust discharge processing cylinder (31), possesses the filter element (100) for the filtration treatment thing in the bottom of described interconnecting part (H), position in the centre of the fore-and-aft direction of described filter element (100) is provided with dividing plate (51), described dividing plate (51) applies resistance to rearward the transporting of the handled thing on the described filter element (100), position at the rear side of the dividing plate (51) of described filter element (100) is formed with rear side filter house (46), position in the front side of the dividing plate (51) of filter element (100) is formed with front side filter house (45), and the screening wind that has passed through described upside screening wind path (71) blows towards front side filter house (45).
6. sheller unit according to claim 5, wherein,
The mesh of described front side filter house (45) is set at the mesh identical with the mesh of described rear side filter house (46) or the mesh littler than the mesh of described rear side filter house (46).
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-186993 | 2011-08-30 | ||
| JP2011186993A JP5721003B2 (en) | 2011-08-30 | 2011-08-30 | Threshing device |
| JP2011189268A JP2013048599A (en) | 2011-08-31 | 2011-08-31 | Threshing device |
| JP2011-189268 | 2011-08-31 | ||
| JP2011-210889 | 2011-09-27 | ||
| JP2011210889A JP2013070647A (en) | 2011-09-27 | 2011-09-27 | Threshing device |
| CN201210016673.7A CN102960129B (en) | 2011-08-30 | 2012-01-18 | Sheller unit |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210016673.7A Division CN102960129B (en) | 2011-08-30 | 2012-01-18 | Sheller unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103202146A true CN103202146A (en) | 2013-07-17 |
| CN103202146B CN103202146B (en) | 2015-08-12 |
Family
ID=46860726
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200246559U Expired - Lifetime CN202444821U (en) | 2011-08-30 | 2012-01-18 | Threshing device |
| CN201210016673.7A Active CN102960129B (en) | 2011-08-30 | 2012-01-18 | Sheller unit |
| CN201310144456.0A Active CN103202146B (en) | 2011-08-30 | 2012-01-18 | Sheller unit |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200246559U Expired - Lifetime CN202444821U (en) | 2011-08-30 | 2012-01-18 | Threshing device |
| CN201210016673.7A Active CN102960129B (en) | 2011-08-30 | 2012-01-18 | Sheller unit |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101363951B1 (en) |
| CN (3) | CN202444821U (en) |
| TW (1) | TWI461148B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106132192A (en) * | 2014-03-25 | 2016-11-16 | 洋马株式会社 | United reaper |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101363951B1 (en) * | 2011-08-30 | 2014-02-18 | 이세키노우키가부시키가이샤 | Threshing machine |
| US10492369B2 (en) * | 2015-07-14 | 2019-12-03 | Dean Mayerle | Weed seed destruction |
| JP7101587B2 (en) * | 2018-10-16 | 2022-07-15 | 株式会社クボタ | combine |
| JP7155069B2 (en) * | 2019-06-25 | 2022-10-18 | 株式会社クボタ | Threshing device |
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| JPH11332368A (en) * | 1998-05-27 | 1999-12-07 | Iseki & Co Ltd | Apparatus for treating tailing of thresher |
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| JP5128330B2 (en) * | 2008-03-14 | 2013-01-23 | ヤンマー株式会社 | Threshing device |
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| JP5249126B2 (en) * | 2009-05-21 | 2013-07-31 | 三菱農機株式会社 | Thresher |
| JP2010273628A (en) * | 2009-05-29 | 2010-12-09 | Iseki & Co Ltd | Threshing device |
| KR101363951B1 (en) * | 2011-08-30 | 2014-02-18 | 이세키노우키가부시키가이샤 | Threshing machine |
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2012
- 2012-01-12 KR KR1020120003789A patent/KR101363951B1/en active IP Right Grant
- 2012-01-18 CN CN2012200246559U patent/CN202444821U/en not_active Expired - Lifetime
- 2012-01-18 CN CN201210016673.7A patent/CN102960129B/en active Active
- 2012-01-18 CN CN201310144456.0A patent/CN103202146B/en active Active
- 2012-01-19 TW TW101102126A patent/TWI461148B/en active
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| JPH07132018A (en) * | 1993-11-10 | 1995-05-23 | Mitsubishi Agricult Mach Co Ltd | Dust discharger for thresher |
| JPH11332368A (en) * | 1998-05-27 | 1999-12-07 | Iseki & Co Ltd | Apparatus for treating tailing of thresher |
| JP2001112335A (en) * | 1999-10-13 | 2001-04-24 | Kubota Corp | Threshing equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| TW201309186A (en) | 2013-03-01 |
| CN102960129A (en) | 2013-03-13 |
| KR101363951B1 (en) | 2014-02-18 |
| KR20130024701A (en) | 2013-03-08 |
| CN103202146B (en) | 2015-08-12 |
| CN102960129B (en) | 2015-09-23 |
| CN202444821U (en) | 2012-09-26 |
| TWI461148B (en) | 2014-11-21 |
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