CN203523381U - Threshing apparatus - Google Patents
Threshing apparatus Download PDFInfo
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- CN203523381U CN203523381U CN201320392602.7U CN201320392602U CN203523381U CN 203523381 U CN203523381 U CN 203523381U CN 201320392602 U CN201320392602 U CN 201320392602U CN 203523381 U CN203523381 U CN 203523381U
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- air channel
- conveying
- screen box
- sheller
- grain
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Abstract
The utility model provides a threshing apparatus which can supply cleaning wind with steady flow. The threshing apparatus comprises a sieving box (10); a cleaning wind blower (7) supplying cleaning wind to the sieving box (10). The cleaning wind blower (7) comprises a first wind channel (23) allowing cleaning wind supplied to the lower portion of the sieving box (10) to flow through and a second wind channel (24) allowing cleaning wind supplied to the upper portion of the sieving box (10) to flow through. The second wind channel (24) extends forward and is bent rearward in a U-shaped manner. The second wind channel supplies cleaning wind for the front end side of the sieving box (10).
Description
Technical field
The utility model relates to a kind of sheller unit, more particularly, relates to a kind of sheller unit that comprises screen box and supply with the cleaning fan of cleaning wind to described screen box.
Background technology
All the time, known above-mentioned sheller unit.For example, in patent documentation 1, a kind of combine that comprises screen box and supply with the cleaning fan (cleaning fan fan) of cleaning wind to screen box is disclosed.This cleaning fan fan comprises first air channel of cleaning wind (the main air channel of cleaning) of supplying with cleaning fan fan and second air channel (primary air separating duct) of cleaning wind of supplying with cleaning fan fan.This primary air separating duct forms, and makes towards the back lower place, to move from the front lower place of chaffer from the wind of cleaning of cleaning fan fan.
Patent documentation 1:(Japan) JP 2010-187569 communique
Yet in the combine of recording at patent documentation 1, primary air separating duct is only that the wind of cleaning of cleaning fan fan is supplied to screen box point-blank.That is to say, the air channel length of primary air separating duct is short, so clean flowing of wind, easily becomes turbulent flow, therefore easily causes cleaning the flowing instability of wind.
Utility model content
The utility model is made in view of as above situation, and its object is to provide a kind of can supply with the stable sheller unit of cleaning wind that flows.
The feature structure of sheller unit of the present utility model is, comprising: screen box; To described screen box, supply with the cleaning fan of cleaning wind; Described cleaning fan comprises: the first air channel, its feed to described screen box underfeed clean distinguished and admirable mistake; The second air channel, its top that feeds to described screen box is supplied with cleans distinguished and admirable mistake; Described the second air channel forms to the side direction extension of conveying initiating terminal and to carrying the u turn of clearing end side direction, and cleans wind to the initial distolateral supply of conveying of described screen box.
According to eigen structure, by utilizing the first air channel and the second air channel by cleaning wind and be separately supplied to bottom and the top of screen box, can make to clean wind and spread all over to top from the bottom of screen box.By utilizing the second air channel, by cleaning wind, to be supplied to the conveying of screen box initial distolateral, can make to clean wind from the conveying of screen box initial distolateral spread all over to carry stop distolateral.The result that the second air channel forms u turn is that the air channel length in the second air channel is elongated, so clean flowing of wind, easily becomes laminar flow.Therefore, can supply with the stable wind of cleaning that flows.
Other feature structures of sheller unit of the present utility model are, described the second air channel is configured in the top of described cleaning fan and the conveying of described screen box is initial distolateral.
According to eigen structure, by effective utilization, be formed on the top of cleaning fan and the initial space between distolateral of the conveying of screen box, can configure compactly the second air channel.
Other feature structures of sheller unit of the present utility model are, described cleaning fan comprises: the blade part that can rotate around axle center, and the direction of lower edge with throughput direction quadrature overlooked in described axle center; Cover the fan case of described blade part; Described the second air channel is communicated with the conveying initiating terminal upper lateral part of described fan case.
According to eigen structure, by the second air channel is communicated with the conveying initiating terminal upper lateral part of fan case, can utilize the second air channel of u turn shape, easily form second air channel of cleaning the u turn shape of wind to the initial distolateral supply of conveying of screen box.
Other feature structures of sheller unit of the present utility model are, comprising: power transmission shaft, and it is passed the power from engine; Described power transmission shaft is configured in the top in described the second air channel.
According to eigen structure, by effectively utilizing the space of the second top, air channel, can configure compactly power transmission shaft.
Other feature structures of sheller unit of the present utility model are, the top in described the second air channel is by carrying the acclivitous updip of clearing end side air channel to form.
According to eigen structure, along the updip air channel that forms the top in the second air channel, guide upward and clean wind, therefore can to the top of screen box, supply with and clean wind effectively.
Other feature structures of sheller unit of the present utility model are, described power transmission shaft is configured in the conveying initiating terminal upper lateral part in described updip air channel.
According to eigen structure, by effectively utilizing the space of the conveying initiating terminal upper lateral part in updip air channel, can configure compactly power transmission shaft.
Other feature structures of sheller unit of the present utility model are, are formed with for the 3rd air channel of cleaning distinguished and admirable mistake from described the second air channel in described screen box.
According to eigen structure, by making from the distinguished and admirable mistake of cleaning of the second air channel the 3rd air channel, can to the top of screen box, supply with and clean wind effectively.
Other feature structures of sheller unit of the present utility model are, the inlet portion in described the 3rd air channel is located on the initial distolateral longitudinal wall of conveying of described screen box.
According to eigen structure, the inlet portion in the 3rd air channel is opened on the initial distolateral antetheca of conveying of screen box, therefore can make the second air channel easily be communicated with and be connected with the inlet portion in the 3rd air channel.
Other feature structures of sheller unit of the present utility model are, the inlet portion in described the 3rd air channel is located on the initial distolateral lower wall of conveying of described screen box.
According to eigen structure, the inlet portion in the 3rd air channel is opened on the initial distolateral lower wall of conveying of screen box, therefore can make the second air channel easily be communicated with and be connected with the inlet portion in the 3rd air channel.
Other feature structures of sheller unit of the present utility model are, described the 3rd air channel utilizes the air channel and carry the acclivitous updip of clearing end side air channel to form roughly V-arrangement under side-looking of having a down dip of carrying that clearing end side direction has a down dip.
According to eigen structure, by once concentrating the cleaning and supply with this after wind and clean wind upward from the second air channel, thereby can supply with the stable wind of cleaning that flows.
Other feature structures of sheller unit of the present utility model are, in described screen box, are provided with under side-looking as the grain shuttle board of wave-like roughly in the bottom of the export department in described the 3rd air channel.
According to eigen structure, can directly supply with the wind of cleaning from the 3rd air channel to the threshing handled thing on grain shuttle board.
Other feature structures of sheller unit of the present utility model are, at the initial distolateral corrugated part darker than other corrugated parts of this grain shuttle board that be formed with of conveying of described grain shuttle board.
According to eigen structure, even threshing handled thing on grain shuttle board to carry initiating terminal side direction adverse current in the situation that, this threshing handled thing also will fall in dark corrugated part, therefore, has stoped threshing handled thing to the further adverse current of carrying initiating terminal side direction.Therefore, can stop threshing handled thing from the conveying initiating terminal clan of grain shuttle board.
Other feature structures of sheller unit of the present utility model are, in described screen box, above described grain shuttle board, be provided with other grain shuttle boards different from this grain shuttle board, the export department in described the 3rd air channel is configured in the conveying clearing end side-lower of described other grain shuttle boards.
According to eigen structure, the threshing handled thing that can fall the conveying final end from other grain shuttle boards, directly supplies with the wind of cleaning from the 3rd air channel.
Other feature structures of sheller unit of the present utility model are, the initial end of conveying that described other grain shuttle boards are only located at described screen box.
According to eigen structure, by shortening other grain shuttle boards, increase the area that leaks down of Lougu grain screening portion, can realize the rate of recovery that improves grain.
Other feature structures of sheller unit of the present utility model are, described other grain shuttle boards form shorter than described grain shuttle board under side-looking.
According to eigen structure, can make the threshing handled thing on other grain shuttle boards fall on grain shuttle board, thereby utilize this grain shuttle board further to screen.
Other feature structures of sheller unit of the present utility model are, at the conveying final end of described other grain shuttle boards, are provided with silk screen.
According to eigen structure, can utilize silk screen to screen the threshing handled thing from other grain shuttle boards.
Other feature structures of sheller unit of the present utility model are, conveying final end at described other grain shuttle boards, along throughput direction, be set side by side with a plurality of silk screens, described a plurality of silk screen is set to carry clearing end side direction to tilt under side-looking, and its angle of inclination is set to, carry the distolateral silk screen angle of inclination of termination larger.
According to eigen structure, by utilizing a plurality of silk screens to screen by stages the threshing handled thing from other grain shuttle boards, can realize and improve screening precision.By being set to carry the distolateral silk screen of termination more significantly to tilt, thereby the effect of sending back to threshing handled thing being produced by silk screen is just more become greatly near conveying termination is distolateral, therefore, can make to carry the distolateral threshing handled thing of termination significantly to return to conveying initial distolateral, thereby guarantee by the chance of the further screening of silk screen.
Other feature structures of sheller unit of the present utility model are, in described screen box, conveying at described cleaning fan stops the distolateral chaffer that is provided with, described chaffer comprises along throughput direction and separates a plurality of screening sheets that angle was arranged and can be adjusted to predetermined distance, conveying initiating terminal side-lower at described chaffer, be provided with the wind direction of cleaning in described the first air channel is carried to the guide plate that stops the guiding of distolateral top, described guide plate is set to carry clearing end side direction to tilt under side-looking, and unanimous on the whole near carrying most the central angle within the scope of the angle adjustment of initial distolateral screening sheet in its angle of inclination and described a plurality of screening sheet.
According to eigen structure, by guide plate, guided the wind of cleaning in the first air channel of coming to flow through along screening sheet with former angle, therefore clean flowing well of wind.
Other feature structures of sheller unit of the present utility model are, in described screen box, conveying at described cleaning fan stops the distolateral chaffer that is provided with, the conveying of described cleaning fan stop distolateral and described chaffer below, be provided with grain sieve, conveying at described grain sieve is initial distolateral, is provided with the protuberance of projection upward.
According to eigen structure, though threshing handled thing on grain sieve to carry initiating terminal side direction adverse current in the situation that, this threshing handled thing is also stoped by protuberance.Therefore, can prevent that threshing handled thing from falling in cleaning fan from the initial end of conveying of grain sieve.
Other feature structures of sheller unit of the present utility model are, described cleaning fan comprises the blade part that can rotate around axle center, the direction of lower edge with throughput direction quadrature overlooked in described axle center, and described blade part forms to the recessed roughly circular shape of its direction of rotation upstream side under side-looking.
According to eigen structure, roughly circular-arc by blade part is formed, can increase the surface area of blade part and not increase the diameter of blade part.Therefore, can increase and clean the air quantity of wind and do not increase fan case.
Other feature structures of sheller unit of the present utility model are, described cleaning fan comprises: the blade part that can rotate around axle center, and the direction of lower edge with throughput direction quadrature overlooked in described axle center; Cover the fan case of described blade part; In the both sides of described fan case, be provided with the suction inlet that sucks extraneous gas, described suction inlet is by regulating the adjustable plate of its aperture to cover, the described adjustable plate of one side and the described adjustable plate of opposite side are linked by single connecting rod, via described connecting rod, the described adjustable plate of both sides is swung, thereby change the aperture of the described suction inlet of both sides.
According to eigen structure, only make the adjustable plate of a side swing, just can make the adjustable plate of opposite side also swing.Therefore, by the adjustable plate of a side is swung, the aperture of suction inlet that can disposable change both sides.
Accompanying drawing explanation
Fig. 1 means the side view cutaway drawing of sheller unit.
Fig. 2 means the side view cutaway drawing of the toe lateral of the portion of cleaning.
Fig. 3 means the anterior main cutaway view of the portion of cleaning.
Fig. 4 means the side view cutaway drawing of left side of the toe lateral of the portion of cleaning.
Fig. 5 means the side view cutaway drawing of right side of the toe lateral of the portion of cleaning.
Fig. 6 means the line chart of the power transfer path of power transmission shaft.
Fig. 7 means the vertical view of the first silk screen and the second silk screen.
Fig. 8 means the three-dimensional cutaway view of the first silk screen and the second silk screen.
Fig. 9 means the side view cutaway drawing of the rear portion side of the portion of cleaning.
Figure 10 means the vertical view of the first straw shaker, the second straw shaker and the 3rd straw shaker.
Figure 11 means the three-dimensional cutaway view of the first straw shaker, the second straw shaker and the 3rd straw shaker.
Description of reference numerals
7 cleaning fans
10 screen boxs
11 first grain shuttle boards (other grain shuttle boards)
12 first silk screens (silk screen)
13 second silk screens (silk screen)
14 second grain shuttle boards (grain shuttle board)
14a corrugated part
15 chaffers
15a screens sheet
19 grain sieves
19a protuberance
21 blade parts
22 fan cases
22a suction inlet
23 first air channels
24 second air channels
24a updip air channel
25a adjustable plate
26 connecting rods
31 power transmission shafts
32 the 3rd air channels
The 32a air channel that has a down dip
32b updip air channel
33 guide plates
E engine
α 1 angle of inclination
The central angle of α 2
β angle adjustment scope
Embodiment
Below, based on accompanying drawing, embodiment of the present utility model is described.
First, utilize Fig. 1 to describe the overall structure of sheller unit.In the following description, in sheller unit, the throughput direction of threshing handled thing is made as to fore-and-aft direction, conveying initiating terminal side direction is made as to the place ahead, conveying clearing end side direction is made as to rear.
As shown in Figure 1, sheller unit is implemented threshing and cleans paddy stalk.Sheller unit comprises threshing portion 1 and cleans portion 2.It should be noted that, sheller unit is arranged in all feeding-in combine in the present embodiment, but also can be arranged in half feed combine harvester.
1 pair of paddy stalk of threshing portion is implemented threshing.Threshing portion 1 comprises the thrashing cylinder 3 that the threshing of paddy stalk is used.Thrashing cylinder 3 can be supported on threshing chamber 4 rotatably via the rotating shaft 3a along fore-and-aft direction.In addition, in threshing portion 1, be provided with the screen cloth 5 that the threshing handled thing that makes to be produced by thrashing cylinder 3 leaks down.
Clean portion 2 and clean threshing handled thing (the threshing handled thing leaking down from screen cloth 5).Clean portion 2 and comprise oscillating riddle screening device 6, cleaning fan 7, recoverer 8 and a secondary recovery portion 9.Cleaning fan 7 refers to aftermentioned.
6 pairs of threshing handled things of oscillating riddle screening device (the threshing handled thing leaking down from screen cloth 5) swing screening.Oscillating riddle screening device 6 comprises: screen box 10, the first grain shuttle board 11, the first silk screen 12, the second silk screen 13, the second grain shuttle board 14, chaffer 15, the first straw shaker 16, the second straw shaker 17, the 3rd straw shaker 18 and grain sieve 19.The first silk screen 12, the second silk screen 13 and the first straw shaker 16, the second straw shaker 17 and the 3rd straw shaker 18 refer to aftermentioned.
The first grain shuttle board 11 is by difference in specific gravity screening threshing handled thing.That is to say, the first grain shuttle board 11 is by swinging on fore-and-aft direction together with screen box 10, thereby Yi Bian rearward carry threshing handled thing, Yi Bian by upper lower leafs such as little balloonflower root bits of proportion etc. and heavy grain.The first grain shuttle board 11 forms roughly wave-like under side-looking.In the corrugated part of this first grain shuttle board 11, be positioned on the corrugated part of rearmost end one side and be fixed with the first silk screen 12.In addition, the first grain shuttle board 11 is located at the front (the only leading section of screen box 10) of screen box 10.That is to say, the first grain shuttle board 11 forms shorter than the second grain shuttle board 14 under side-looking.
15 pairs of threshing handled things of chaffer carry out the screening of Lougu grain.That is to say, chaffer 15 comprises along a plurality of screening sheet 15a that fore-and-aft direction separates predetermined distance and arranges and angle can be adjusted.Chaffer 15 is by swinging on fore-and-aft direction together with screen box 10, thereby Yi Bian grain etc. is leaked down between screening sheet 15a, the balloonflower root bits that rearward conveying is leaked down on one side etc.In addition, the angle of screening sheet 15a is adjusted by not shown angle adjusting part.
In addition, chaffer 15 under side-looking for rear end side is inclined upwardly.Chaffer 15 is located at the rear of the second grain shuttle board 14.That is to say, chaffer 15 is located at the below of the first silk screen 12 and the second silk screen 13.In other words, chaffer 15 is located at the rear of cleaning fan 7 in screen box 10.
The second grain shuttle board 14 is by difference in specific gravity screening threshing handled thing.That is to say, the second grain shuttle board 14 is by swinging on fore-and-aft direction together with screen box 10, thereby Yi Bian rearward carry threshing handled thing, Yi Bian by upper lower leafs such as little balloonflower root bits of proportion etc. and heavy grain.In addition, the second grain shuttle board 14 forms roughly wave-like under side-looking.Front at the second grain shuttle board 14 is formed with the corrugated part 14a darker than other corrugated parts of the second grain shuttle board 14.That is to say, corrugated part 14a is formed on the leading section (portion foremost) of the second grain shuttle board 14.
In addition, the second grain shuttle board 14 is located at the below of the first grain shuttle board 11.That is to say, above the second grain shuttle board 14, be provided with the first grain shuttle board 11 different from the second grain shuttle board 14.In addition, the second grain shuttle board 14 is configured in roughly the same height with chaffer 15.The leading section of the rearward end of the second grain shuttle board 14 and chaffer 15 (being positioned at the screening sheet 15a of side foremost) overlook lower overlapping.
19 pairs of threshing handled things of grain sieve carry out the screening of Lougu grain.That is to say, Yi Bian grain sieve 19 makes the grain of simple grain leak down as single treatment thing, Yi Bian rearward carry with together with balloonflower root bits etc. using the grain with branch stalk leaking down etc. as after-treatment thing.In addition, grain sieve 19 is located at the rear of cleaning fan 7 and the below of chaffer 15.In the front of grain sieve 19, be provided with the protuberance 19a of projection upward.For example, protuberance 19a consists of the plate-shaped member with mode (roughly chevron) bending of projection upward.
One time recoverer 8 reclaims the grain of simple grain as single treatment thing.A recoverer 8 is located at the lower front of screen box 10.
Then, utilize Fig. 2 to Fig. 6 to describe cleaning fan 7.
As shown in Figures 2 to 5, cleaning fan 7 comprises blade part 21, fan case 22, the first air channel 23 and the second air channel 24.
Swinging operation portion 27 comprises: be formed on pilot hole 28 on the adjustable plate 25 in left side, insert the axis of guide 29 in pilot hole 28, be screwed in the nut 30 on the axis of guide 29.Thus, if the adjustable plate in left side 25 swings along the axis of guide 29 via pilot hole 28, the adjustable plate 25 on right side also also swings via connecting rod 26.That is to say, the adjustable plate 25 of the left and right sides swings via connecting rod 26, thereby changes the aperture of the suction inlet 22a of the left and right sides.By make the adjustable plate 25 of the left and right sides swing via connecting rod 26, change the aperture of the suction inlet 22a of the left and right sides.In addition,, by fastening nut 30, the adjustable plate in left side 25 can be fixed on to swing position arbitrarily.
The first air channel 23 feed to screen box 10 underfeed clean distinguished and admirable mistake.The first air channel 23 is configured in the bottom of cleaning fan 7 and the below of screen box 10.That is to say, the first air channel 23 is communicated with the rear end side bottom of fan case 22.In addition, below the front side of chaffer 15, be provided with the guide plate of cleaning wind 33 that guides the first air channel 23 to back side top.
The second air channel 24 feeds to the distinguished and admirable mistake of cleaning that the top of screen box 10 supplies with.The second air channel 24 is configured in the top of cleaning fan 7 and the place ahead of screen box 10.That is to say, the second air channel 24 is communicated with the front top of fan case 22.The second air channel 24 forms forwards extends and rearward u turn, and supplies with and clean wind to the front of screen box 10.The top in the second air channel 24 is formed by the acclivitous updip of rear end side air channel 24a.In addition, in screen box 10, be formed with for referring to aftermentioned from 32, the three air channels 32, the 3rd air channel of cleaning distinguished and admirable mistake in the second air channel 24.
In addition, above the second air channel 24, dispose power transmission shaft 31, from the transmission of power of engine E to this power transmission shaft 31(with reference to Fig. 6).That is to say, power transmission shaft 31 is configured in the front top of the updip air channel 24a in the second air channel 24.In addition, the power of power transmission shaft 31 is passed to thrashing cylinder 3, cleaning fan 7 etc.
The 3rd air channel 32 is formed between the first grain shuttle board 11 and the second grain shuttle board 14.The second air channel 32 utilizes rear end side downward-sloping have a down dip air channel 32a and the acclivitous updip of rear end side air channel 32b under side-looking, to form roughly V-arrangement shape.
The 3rd air channel 32(air channel 32a that has a down dip) inlet portion arranges across front longitudinal wall (antetheca) and the front lower wall of screen box 10.In addition it is upper that inlet portion, the 3rd air channel 32(air channel 32a that has a down dip) both can only be located at the front longitudinal wall (antetheca) of screen box 10, or also can only be located on the front lower wall of screen box 10.
In addition, export department the 3rd 32(updip air channel, air channel 32b) is configured in the rear end side below of the first grain shuttle board 11.At the 3rd 32(updip air channel, air channel 32b) the bottom of export department be provided with the second grain shuttle board 14.Particularly, in the present embodiment, the leading section of the second grain shuttle board 14 forms the part (bottom surface of updip air channel 32b) in the 3rd air channel 32.
The angle of inclination of the updip air channel 32b in the 3rd air channel 32 and the angle of inclination of the first silk screen 12 and/or the second silk screen 13 are roughly the same.And the angle of inclination of the angle of inclination of the updip air channel 32b in the 3rd air channel 32 and the updip air channel 24a in the second air channel 24 is roughly the same.
According to as above structure, by utilizing the first air channel 23 and the second air channel 24 by cleaning wind and be separately supplied to the upper and lower of screen box 10, can make to clean wind and spread all over to top from the bottom of screen box 10.By utilizing the second air channel 24 by cleaning wind and be supplied to the front of screen box 10, can make to clean wind and spread all over to rear end side from the front of screen box 10.The result that the second air channel 24 forms u turn is that the air channel length in the second air channel 24 is elongated, so clean flowing of wind, easily becomes laminar flow.Therefore, can supply with the stable wind of cleaning that flows.
Then, utilize Fig. 7 and Fig. 8 to describe the first silk screen 12 and the second silk screen 13.
As shown in Figures 7 and 8, the first silk screen 12 and the second silk screen 13 are arranged side by side the rearward end at the first grain shuttle board 11 along fore-and-aft direction.The first silk screen 12 and the second silk screen 13 are configured in the top of the second grain shuttle board 14 and the top of chaffer 15.That is to say, in the first silk screen 12 and the second silk screen 13, the second silk screen 13 is configured in the top of chaffer 15, and overlooks lower and chaffer 15 is overlapping.In addition, between the rearward end of the first silk screen 12 and the leading section of the second silk screen 13, be formed with the gap O of regulation.
Gap O is overlapping with the front of chaffer 15 under overlooking.That is to say, gap O is overlapping with the rearward end of the second grain shuttle board 14 under overlooking.
In addition, also can adopt such as straw shaker, perforation metal plate type chaffer, the netted or silk screens such as the metal plate type screen box Lougu grain screening portion in addition of boring a hole, with this, replace the first silk screen 12 and the second silk screen 13.But, from improving the viewpoint of the amount of leaking down of Lougu grain screening portion, preferably adopt silk screen.
The first silk screen 12 forms roughly wave-like under side-looking.For example, the first silk screen 12 consists of piano wire.The second silk screen 12 under side-looking for rear end side is inclined upwardly.The rear end side of this first silk screen 12 is located at the position higher than the front of the second silk screen 13.In addition, the first silk screen 12 is located at the rearward end of the first grain shuttle board 11.That is to say, the first silk screen 12 is fixed on the rearward end (being positioned at last distolateral corrugated part) of the first grain shuttle board 11.
The second silk screen 13 forms roughly wave-like under side-looking.For example, the second silk screen 12 consists of piano wire.The second silk screen 13 under side-looking for rear end side is inclined upwardly.The angle of inclination of this second silk screen 13 is greater than the angle of inclination of the first silk screen 12.In addition, the second silk screen 13 is located at than the first high position of silk screen 12.The second silk screen 13 at least makes its part project to the top of the top portion of screen box 10.In addition, the second silk screen 13 is configured in the front top of chaffer 15, and at least makes its part overlapping with the front of chaffer 15 under overlooking.And the second silk screen 13 is configured in the top of a recoverer 8, and at least make its part overlapping with a recoverer 8 under overlooking.
According to as above structure, by making the first silk screen 12 and the second silk screen 13 form roughly wave-like, can utilize 13 pairs of threshing handled things of the first silk screen 12 and the second silk screen to produce conveying effects.Therefore, can utilize the first sieve line 12 and the second silk screen 13 to carry swimmingly and screen the threshing handled thing from the first grain shuttle board 11.
In addition, make the first silk screen 12 and the second silk screen 13 extend to the top of chaffer 15, thus the threshing handled thing of supplying with by the first silk screen 12 and the second silk screen 13 coarse sizings to chaffer 15.Therefore, can alleviate the screening load that acts on chaffer 15.In addition,, if can alleviate the screening load that acts on chaffer 15, can screen a large amount of crops and do not cause chaffer 15 and even sheller unit to maximize.
Then, utilize Fig. 9 to Figure 11 to describe the first straw shaker 16, the second straw shaker 17 and the 3rd straw shaker 18.
As shown in Figures 9 to 11, the first straw shaker 16 comprise along left and right directions, separate predetermined distance D1 and arrange a plurality of first by original text plate (ラ ッ Network plate) 16a.In addition, the first straw shaker 16 is located at the rearward end of chaffer 15.The rearward end of this first straw shaker 16 is configured to, and overlooks with the second straw shaker 17(second by original text plate fixed part 17b) overlapping.
The second straw shaker 17 is located at the rear of the first straw shaker 16.The second straw shaker 17 comprises: along left and right directions, separate predetermined distance D2 and arrange a plurality of second by original text plate 17a, fixing a plurality of second leading section by original text plate 17a second by original text plate fixed part 17b, adjacent second by original text plate 17a the second silk screen 17c each other.This second straw shaker 17(second is by original text plate 17a) rearward end be configured to, overlook lower with the 3rd straw shaker 18(the 3rd by original text plate fixed part 18b) leading section overlapping.
The second silk screen 17c is fixed on second by original text plate fixed part 17b.That is to say, second is fixed on the second lower surface by original text plate fixed part 17b by original text plate 17a, and the second silk screen 17c is fixed on the second upper surface by original text plate fixed part 17b.
The 3rd straw shaker 18 is located at the rear of the second straw shaker 17.The 3rd straw shaker 18 comprises: along left and right directions, separate predetermined distance D3 and arrange a plurality of the 3rd by original text plate 18a, fixing a plurality of the 3rd leading section by original text plate 18a the 3rd by original text plate fixed part 18b, the adjacent the 3rd by original text plate 18a the 3rd silk screen 18c each other.
The 3rd silk screen 18c is fixed on the 3rd by original text plate fixed part 18b.That is to say, the 3rd is fixed on the 3rd lower surface by original text plate fixed part 18b by original text plate 18a, and the 3rd silk screen 18c is fixed on the 3rd upper surface by original text plate fixed part 18b.
At this, as shown in Figure 9, the second straw shaker 17 and the 3rd straw shaker 18 are longer than the first straw shaker 16 on fore-and-aft direction.The second straw shaker 17 and the 3rd straw shaker 18 consist of same parts.In addition, the second straw shaker 17 and the 3rd straw shaker 18 are configured to equal height.The first straw shaker 16 is configured to more closer to the top than the second straw shaker 17 and the 3rd straw shaker 18.That is to say, in the first straw shaker 16, the second straw shaker 17 and the 3rd straw shaker 18, the first straw shaker 16 configures the most highly.
In addition, as shown in figure 10, the first straw shaker 16 and the second straw shaker 17 be configured to overlook lower overlapped.The second straw shaker 17 and the 3rd straw shaker 18 be configured to overlook lower overlapped.In addition, a plurality of second interval D 2 by original text plate 17a is identical by the interval D 3 of original text plate 18a with a plurality of the 3rd.The a plurality of first interval D 1 by original text plate 16a is greater than a plurality of second interval D 2 by original text plate 17a and a plurality of the 3rd interval D 3 by original text plate 18a.
According to as above structure, from the threshing handled thing of chaffer 15 rearward end, from the first straw shaker 16, on the second straw shaker 17, fall, the impact while falling by it is scattered the block of threshing handled thing.And the threshing handled thing that this scatters is also screened by the 3rd straw shaker 18 on the basis of the second straw shaker 17.Therefore, can improve for the threshing handled thing from chaffer 15 rearward end the rate of recovery of grain.
The utility model can use and comprises screen box and to described screen box, supply with in the sheller unit of the cleaning fan of cleaning wind.
Claims (28)
1. a sheller unit, is characterized in that, comprising:
Screen box (10);
To described screen box (10), supply with the cleaning fan (7) of cleaning wind;
Described cleaning fan (7) comprising:
The first air channel (23), its feed to described screen box (10) underfeed clean distinguished and admirable mistake;
The second air channel (24), its top that feeds to described screen box (10) is supplied with cleans distinguished and admirable mistake;
Described the second air channel (24) forms to the side direction extension of conveying initiating terminal and to carrying the u turn of clearing end side direction, and cleans wind to the initial distolateral supply of conveying of described screen box (10).
2. sheller unit as claimed in claim 1, is characterized in that,
Described the second air channel (24) is configured in the top of described cleaning fan (7) and the conveying of described screen box (10) is initial distolateral.
3. sheller unit as claimed in claim 1, is characterized in that,
Described cleaning fan (7) comprising:
The blade part that can rotate around axle center (21), the direction of lower edge with throughput direction quadrature overlooked in described axle center;
Cover the fan case (22) of described blade part (21);
Described the second air channel (24) is communicated with the conveying initiating terminal upper lateral part of described fan case (22).
4. sheller unit as claimed in claim 2, is characterized in that,
Described cleaning fan (7) comprising:
The blade part that can rotate around axle center (21), the direction of lower edge with throughput direction quadrature overlooked in described axle center;
Cover the fan case (22) of described blade part (21);
Described the second air channel (24) is communicated with the conveying initiating terminal upper lateral part of described fan case (22).
5. sheller unit as claimed in claim 1, is characterized in that, comprising:
Power transmission shaft (31), it is passed the power from engine (E);
Described power transmission shaft (31) is configured in the top in described the second air channel (24).
6. the sheller unit as described in any one in claim 1 to 4, is characterized in that,
The top in described the second air channel (24) is by carrying the acclivitous updip of clearing end side air channel (24a) to form.
7. sheller unit as claimed in claim 5, is characterized in that,
The top in described the second air channel (24) is by carrying the acclivitous updip of clearing end side air channel (24a) to form.
8. sheller unit as claimed in claim 7, is characterized in that,
Described power transmission shaft (31) is configured in the conveying initiating terminal upper lateral part in described updip air channel (24a).
9. the sheller unit as described in any one in claim 1 to 5, is characterized in that,
In described screen box (10), be formed with for the 3rd air channel (32) of cleaning distinguished and admirable mistake from described the second air channel (24).
10. sheller unit as claimed in claim 6, is characterized in that,
In described screen box (10), be formed with for the 3rd air channel (32) of cleaning distinguished and admirable mistake from described the second air channel (24).
11. sheller units as claimed in claim 9, is characterized in that,
The inlet portion in described the 3rd air channel (32) is located on the initial distolateral longitudinal wall of conveying of described screen box (10).
12. sheller units as claimed in claim 10, is characterized in that,
The inlet portion in described the 3rd air channel (32) is located on the initial distolateral longitudinal wall of conveying of described screen box (10).
13. sheller units as claimed in claim 9, is characterized in that,
The inlet portion in described the 3rd air channel (32) is located on the initial distolateral lower wall of conveying of described screen box (10).
14. sheller units as described in any one in claim 10 to 12, is characterized in that,
The inlet portion in described the 3rd air channel (32) is located on the initial distolateral lower wall of conveying of described screen box (10).
15. sheller units as claimed in claim 9, is characterized in that,
Described the 3rd air channel (32) utilizes carries the air channel that has a down dip (32a) and the conveying acclivitous updip of the clearing end side air channel (32b) that clearing end side direction has a down dip under side-looking, to form roughly V-arrangement.
16. sheller units as described in any one in claim 10 to 13, is characterized in that,
Described the 3rd air channel (32) utilizes carries the air channel that has a down dip (32a) and the conveying acclivitous updip of the clearing end side air channel (32b) that clearing end side direction has a down dip under side-looking, to form roughly V-arrangement.
17. sheller units as claimed in claim 14, is characterized in that,
Described the 3rd air channel (32) utilizes carries the air channel that has a down dip (32a) and the conveying acclivitous updip of the clearing end side air channel (32b) that clearing end side direction has a down dip under side-looking, to form roughly V-arrangement.
18. sheller units as claimed in claim 9, is characterized in that,
In described screen box (10), in the bottom of the export department in described the 3rd air channel (32), be provided with under side-looking as the grain shuttle board (14) of wave-like roughly.
19. sheller units as claimed in claim 18, is characterized in that,
The initial distolateral corrugated part (14a) darker than other corrugated parts of this grain shuttle board (14) that be formed with of conveying at described grain shuttle board (14).
20. sheller units as described in claim 18 or 19, is characterized in that,
In described screen box (10), in the top of described grain shuttle board (14), be provided with other grain shuttle boards (11) different from this grain shuttle board (14),
The export department in described the 3rd air channel (32) is configured in the conveying clearing end side-lower of described other grain shuttle boards (11).
21. sheller units as claimed in claim 20, is characterized in that,
Described other grain shuttle boards (11) are only located at the initial end of conveying of described screen box (10).
22. sheller units as claimed in claim 20, is characterized in that,
Described other grain shuttle boards (11) form shorter than described grain shuttle board (14) under side-looking.
23. sheller units as claimed in claim 20, is characterized in that,
Conveying final end at described other grain shuttle boards (11) is provided with silk screen (12,13).
24. sheller units as claimed in claim 20, is characterized in that,
At the conveying final end of described other grain shuttle boards (11), along throughput direction, be set side by side with a plurality of silk screens (12,13),
Described a plurality of silk screen (12,13) is set to carry clearing end side direction to tilt under side-looking, and its angle of inclination is set to, and carries that to stop distolateral silk screen (12,13) angle of inclination larger.
25. sheller units as described in any one in claim 1 to 5, is characterized in that,
In described screen box (10), at the distolateral chaffer (15) that is provided with of conveying termination of described cleaning fan (7),
Described chaffer (15) comprises along throughput direction and separates a plurality of screening sheets (15a) that angle was arranged and can be adjusted to predetermined distance,
At the conveying initiating terminal side-lower of described chaffer (15), be provided with the wind direction of cleaning in described the first air channel (23) is carried to the guide plate (33) that stops the guiding of distolateral top,
Described guide plate (33) is set to carry clearing end side direction to tilt under side-looking, and unanimous on the whole near the interior central angle (α 2) of the angle adjustment scope (β) of carrying initial distolateral screening sheet (15a) most in its angle of inclination (α 1) and described a plurality of screening sheets (15a).
26. sheller units as described in any one in claim 1 to 5, is characterized in that,
In described screen box (10), at the distolateral chaffer (15) that is provided with of conveying termination of described cleaning fan (7),
The below that stops distolateral and described chaffer (15) in the conveying of described cleaning fan (7), is provided with grain sieve (19),
Conveying at described grain sieve (19) is initial distolateral, is provided with the protuberance (19a) of projection upward.
27. sheller units as described in any one in claim 1 to 5, is characterized in that,
Described cleaning fan (7) comprises the blade part (21) that can rotate around axle center, and the direction of lower edge with throughput direction quadrature overlooked in described axle center,
Described blade part (21) forms to the recessed roughly circular shape of its direction of rotation upstream side under side-looking.
28. sheller units as described in any one in claim 1 to 5, is characterized in that,
Described cleaning fan (7) comprising:
The blade part that can rotate around axle center (21), the direction of lower edge with throughput direction quadrature overlooked in described axle center;
Cover the fan case (22) of described blade part (21);
In the both sides of described fan case (22), be provided with the suction inlet (22a) that sucks extraneous gas,
Described suction inlet (22a) is by regulating the adjustable plate (25a) of its aperture to cover,
The described adjustable plate (25a) of one side is linked by single connecting rod (26) with the described adjustable plate (25a) of opposite side,
Via described connecting rod (26), the described adjustable plate (25a) of both sides is swung, thereby change the aperture of the described suction inlet (22a) of both sides.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012154768A JP2014014328A (en) | 2012-07-10 | 2012-07-10 | Threshing apparatus |
| JP2012-154768 | 2012-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203523381U true CN203523381U (en) | 2014-04-09 |
Family
ID=50109639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320392602.7U Expired - Lifetime CN203523381U (en) | 2012-07-10 | 2013-07-03 | Threshing apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2014014328A (en) |
| CN (1) | CN203523381U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226598A (en) * | 2014-09-04 | 2014-12-24 | 江苏大学 | High-efficiency cleaning device for turbo multi-duct blower |
| CN107306611A (en) * | 2016-04-27 | 2017-11-03 | 东风农业装备（襄阳）有限公司 | For the crop collector and its transmission mechanism of sheller unit and application |
| CN108370725A (en) * | 2017-01-31 | 2018-08-07 | 株式会社久保田 | Sheller unit |
| CN110476592A (en) * | 2019-07-29 | 2019-11-22 | 江苏大学 | A kind of double drum sieve cleaning plants and its longitudinal axial flow ratooning rice combined harvester |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105875077A (en) * | 2016-04-13 | 2016-08-24 | 济南大学 | Double-layer sieve plate type corn harvester cleaning device |
| JP2022188552A (en) * | 2021-06-09 | 2022-12-21 | 株式会社クボタ | combine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60133759U (en) * | 1984-02-16 | 1985-09-06 | ヤンマー農機株式会社 | Combine sorting device |
| JP2591511B2 (en) * | 1995-02-27 | 1997-03-19 | 井関農機株式会社 | Threshing and sorting equipment |
| JPH10215657A (en) * | 1997-02-10 | 1998-08-18 | Kubota Corp | Sorting part structure for threshing device |
| JP3725812B2 (en) * | 2001-10-17 | 2005-12-14 | ヤンマー農機株式会社 | Combine threshing equipment |
| JP2007181428A (en) * | 2006-01-06 | 2007-07-19 | Yanmar Co Ltd | Combine harvester |
| JP4416743B2 (en) * | 2006-02-17 | 2010-02-17 | ヤンマー株式会社 | Threshing device |
| JP2008237107A (en) * | 2007-03-27 | 2008-10-09 | Iseki & Co Ltd | Threshing apparatus |
-
2012
- 2012-07-10 JP JP2012154768A patent/JP2014014328A/en active Pending
-
2013
- 2013-07-03 CN CN201320392602.7U patent/CN203523381U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226598A (en) * | 2014-09-04 | 2014-12-24 | 江苏大学 | High-efficiency cleaning device for turbo multi-duct blower |
| CN107306611A (en) * | 2016-04-27 | 2017-11-03 | 东风农业装备（襄阳）有限公司 | For the crop collector and its transmission mechanism of sheller unit and application |
| CN108370725A (en) * | 2017-01-31 | 2018-08-07 | 株式会社久保田 | Sheller unit |
| CN110476592A (en) * | 2019-07-29 | 2019-11-22 | 江苏大学 | A kind of double drum sieve cleaning plants and its longitudinal axial flow ratooning rice combined harvester |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014014328A (en) | 2014-01-30 |
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