CN101273686B - Combine harvester - Google Patents

Abstract

The invention relates to a united reaping machine which can lessen threshed dust-exhausted objects exhausted to farmlands, thickness deviation of cutting off rice straw layer and deviation of solid quality caused by manure-accumulated nitrogen ingredients, so stable yield can be acquired. One side of a dust exhausting fan from which the dust exhausting wind is blown out, which is provided above a rear part of a shaking shelf, is provided with a dust exhausting wind guide plate which is inclined toward the rear-down direction and guides the dust exhausting wind blown by the dust exhausting fan in the rear-down direction. In addition, The rear end part of the shaking shelf is provided with a dust exhausting object guide plate which is inclined toward the rear-down direction and guides the dust exhausting objects exhausted from the shaking shelf and the objects exhausted from the rear end part of a dust exhausting treatment chamber in the rear-down direction. Besides, the rear part of the dust exhausting object guide plate is provided at a position that is more adjacent to the rear side than an imaginary extending line of the dust exhausting wind guide plate; the dust exhausting object guide plate is provided with a wind guide plate which is inclined in the right-down direction when observing from the back of the united reaping machine; the wind guide plate and the dust exhausting object guide plate are provided at the position of lower side where a rice straw cutter is delivered out.

Description

Combine

Technical field

The present invention relates to combine.

Background technology

Combine is temporarily deposited the grain container of grain and auger that the grain in the grain container is left in discharge in etc. after by the reaping apparatus of harvesting paddy stalk, threshing apparatus, shelling and is constituted.

Supply to the threshing chamber of threshing apparatus with the harvested paddy stalk of reaping apparatus, the interaction of set a plurality of threshing teeth and threshing net on the surface of the threshing cylinder of this paddy straw utilization in being arranged at threshing chamber and shelling.Having passed through the part of threshing net from the object being treated (grain or rice straw bits) that the paddy stalk separates is accepted by the shelf that shakes of separation chamber; and back of separated secondary grain (branch stalk grain etc. are also referred to as the secondary thing sometimes) and rice straw bits etc. are transported to grain in the grain container.

Secondary grain is sent to the after-treatment chamber of the side that is arranged on threshing chamber, is grain, branch stalk grain etc. by the after-treatment roller separation, and then drops to and shake on the shelf and be separated into grain, branch stalk grain etc. through gravity separation and air-supply sorting.Be transported to the dust discharge process chamber in the short parts such as rice straw bits that threshing chamber produced, and handle roller process by dust discharge.

In threshing chamber, while, make the major part of paddy stalk by shelling by carrying the paddy stalk to rotate threshing cylinder.And, the object being treated that falls from threshing chamber, in separation chamber, shaking of along up and down fore-and-aft direction shaking shelf on move on one side in the wings sieve on accept from the air-supply of winnower winnowing machine and by pneumatic separating on one side.

In separation chamber; filtering sorting moves and object being treated that comes and the object being treated that falls from threshing chamber from shaking shelf; to discharge rice straw etc. discharges outside body; only divide behind separated branch stalk grain or disconnected fringe grain, disconnected stalk grain etc. and the simple grain branch stalk grain or disconnected fringe grain, disconnected stalk grain are delivered to the after-treatment chamber, simple grain is delivered to the grain container.

In the disclosed threshing apparatus of following patent documentation 1 (patent documentation 1: the spy opens the 2001-204229 communique), discharge to the body rear from the bits outlet of the dust discharge chamber at the rear of shaking shelf shaking discharge rice straw of separating on the shelf etc.

The structure of being put down in writing according to patent documentation 1, though do not discharge to the body rear from the bits outlet of the dust discharge chamber that is disposed at the rear of shaking shelf from shaking rice straw bits that shelf falls etc., these rice straw bits etc. are discharged outside body at the position that is different from the dust discharge thing of discharging from the dust discharge process chamber.

Thereby rice straw bits of discharging outside body etc. are at random unevenly on the farmland seems unbecoming, in addition, can not make the layer homogenising of the dust discharge thing that is deposited on the face of farmland.Therefore, after carrying out harvest operation, when ploughing in farmland by the ploughing and weeding operation these rice straw bits etc., the growth conditions that has the paddy stalk after the inhomogeneous and rice transplanting of soil property is because of the different problem in place.

Summary of the invention

Problem of the present invention provides a kind of rice straw bits of discharging etc. of making outside body not at random on the farmland and make the layer of dust discharge thing be evenly dispersed in diffusion on the farmland, the dust discharge thing to emit the threshing apparatus of function admirable.

Above-mentioned problem is solved by following solution.

That is, combine of the present invention is characterized in that, makes: in the front side of mobile devices 3 reaping apparatus 6 is set; Upside at mobile devices 3 is provided with threshing apparatus 15; Discharge rice straw cutter 81a, 81b are set at the rear portion of this threshing apparatus 15; The threshing chamber 66 that has possessed threshing cylinder 69 is set on threshing apparatus 15; The dust discharge process chamber 59 that has possessed dust discharge processing cylinder 71 is set in the side, rear portion of this threshing chamber 66; The connected entrance 66x that setting is communicated with the rearward end of the leading section of this dust discharge process chamber 59 and above-mentioned threshing chamber 66; Below threshing chamber 66 and dust discharge process chamber 59, be provided with and shake shelf 51; Above this shakes the rear portion of shelf 51, dust exhausting fan 91 is set; Dust discharge wind at this dust exhausting fan 91 goes out the dust discharge wind guided plate 93 that tilts down backward that a side is provided with the dust discharge wind direction back lower place guiding that will blow out from dust exhausting fan 91; Be provided with and shake dust discharge thing that shelf 51 discharges and the dust discharge thing guided plate 98 that tilts down backward that flows down guiding from the dust discharge thing that the rearward end of above-mentioned dust discharge process chamber 59 is discharged to the back lower place from this in the rearward end of shaking shelf 51; With the rear end of this dust discharge thing guided plate 98 be arranged on than above-mentioned dust discharge wind guided plate 93 to the imaginary extended line S of the back lower place also by on the position of rear side; The wind guided plate 97 that is the posture that has a down dip when the back side of combine 1 is observed to the right is being set on this dust discharge thing guided plate 98; This wind guided plate 97 and dust discharge thing guided plate 98 are arranged on the downside of above-mentioned discharge rice straw cutter 81a, 81b.

Effect of the present invention is as follows.

According to the present invention, to discharge from the rearward end of dust discharge process chamber 59 and by dust discharge thing guided plate 98 above the dust discharge thing that rearward flows down and discharge from the rearward end of shaking shelf 51 and by dust discharge thing guided plate 98 above the dust discharge thing that flows down downwards blow wind strongly from dust exhausting fan 91, thereby when observing from the back side to the harvested farmland face dispersion on the right side of body 1 and discharge.

In addition, because wind guided plate 97 and dust discharge thing guided plate 98 are arranged on the position of the downside of discharging rice straw cutter 81a, 8 1b, therefore, by discharge disconnected rice straw that rice straw cutter 81a, 81b cut off also when observing from the back side the harvested farmland face dispersion to the right side of body 1 discharge.

Thus, can reduce the deviation of the rice straw bits bed thickness that is discharged on the face of farmland, reduce deviation, thereby can obtain stable harvest yield by the soil property that will discharge the caused farmland of nitrogen component that rice straw causes as collected manure.

Description of drawings

Fig. 1 is the right view of the combine of embodiments of the present invention.

Fig. 2 is the front view of the combine of Fig. 1.

Fig. 3 is the left surface cutaway view of threshing apparatus of the combine of Fig. 1.

Fig. 4 is the rearview of the threshing apparatus of Fig. 3.

Fig. 5 is the vertical view that comprises a part of handling drum segment that cuts the threshing apparatus of presentation graphs 3.

Among the figure:

The 1-body, 3-mobile devices, 6-reaping apparatus, the 15-threshing apparatus, 51-shakes shelf, 59-dust discharge process chamber, the 66-threshing chamber, 66x-connected entrance, 69-threshing cylinder, cylinder is handled in the 71-dust discharge, and 81a-discharges the rice straw cutter, and 81b-discharges the rice straw cutter, the 91-dust exhausting fan, 93-separating plate (dust discharge wind guided plate), 97-wind guide (wind guided plate), 98-hang plate (dust discharge thing guided plate), S-imagination extended line.

Embodiment

Below, the accompanying drawings embodiments of the present invention.Fig. 1 represents the right view of combine of the harvest operation that carries out cereal of embodiments of the present invention, the front view of the combine of Fig. 2 presentation graphs 1, the left surface cutaway view of the threshing apparatus of the combine of Fig. 3 presentation graphs 1, the rearview of the threshing apparatus of Fig. 4 presentation graphs 3, Fig. 5 have represented to cut the vertical view of a part of the threshing apparatus of Fig. 1.

In addition, in this manual, with the direction of advance of combine be called " preceding ", direction of retreat is called " back ", the left and right directions when direction of advance is called " left side ", " right side ".

The bottom of the frame 2 of travelling on the body 1 that is arranged at combine has flexible materials such as rubber are shaped to the crawler belt 4 of the pair of right and left of non junction band shape as raw material, even possess much less the mobile devices 3 of the structure of sinking also can freely exercise a little at wetland crawler belt 4 in dry land.Reaping apparatus 6 is carried in front portion in the frame 2 of travelling, carries engine (omitting diagram), threshing apparatus 15 on the top of the frame 2 of travelling, handles seat 20 and hopper 30.The 101st, be configured in the rear of supporting plate 35 and discharge the fuel tank in the place ahead of rice straw cutter 81a, 81b.

Reaping apparatus 6 is made and is utilized the telescopic action of harvesting lift cylinder (omitting diagram) to make reaping apparatus 6 integral elevatings, can gather in the structure that plantation is grown in the paddy stalk on the farmland by height in accordance with regulations.Divide cursive script 7 in the configuration of the front end bottom of reaping apparatus 6, dispose behind at it and make skewed paddy stalk pull-up device 8, at its rear lower curtate configuration cutter 11.Between the top portion of the feeding chain 14 of cutter 11 and threshing apparatus 15, dispose anterior conveying plant, threshing depth adjustment successively, supply with conveying plant etc. (all omitting diagram), connect and carry and the threshing degree of depth so that can regulate the biography of paddy stalk.

The action of the reaping apparatus 6 of combine is following to be carried out.At first, pilot engine, the action bars that action bars that the operation speed change is used and direction of operating are used (omitting diagram) makes the body 1 of combine advance, gear-change operation harvesting clutch and shelling clutch (omitting diagram) thus make each one of rotation of body carry out transmission on one side, gather in Yi Bian the frame 2 of travelling is advanced travel, the shelling operation.The paddy stalk that is planted on the farmland acts on by branch cursive script 7 branch that bears of the front end bottom that is positioned at reaping apparatus 6 is careless, then, be in upright state by pull-up effect institute's pull-up of paddy stalk pull-up device 8, the stock of paddy stalk reaches cutter 11 and is gathered in, be transported to the rear after being dialled in anterior conveying plant, and pass and to receive the threshing depth adjustment, supply with on the conveying plant, be transported to the top, rear portion with continuum of states successively.

Then, the paddy stalk passes the top portion that receives feeding chain 14 from supplying with conveying plant, supplies with to threshing apparatus 15.Threshing apparatus 15 is made following structure: the threshing chamber 66 that is provided with threshing cylinder 69 is freely rotated in upside configuration, at the downside of threshing chamber 66 separation chamber 50 is set integratedly, thereby the harvesting paddy stalk of being supplied with is carried out shelling, sorting.

Supply to the paddy stalk on the threshing apparatus 15, by mounting board bar 12 and feeding chain 14 clampings on one side be inserted into threshing chamber 66 on one side, and by a plurality of threshing tooth 69a shellings that are arranged at the threshing cylinder 69 in the threshing chamber 66.Consequent object being treated (grain or rice straw bits) is accepted by the shelf 51 that shakes of separation chamber 50; and form diffusion also transmission rearward in uniform bed thickness ground on the width that is shaking shelf 51 on the shelf 51 on one side by panel (omitting diagram), Yi Bian bear from the air-supply of winnower winnowing machine 79 and by pneumatic separating shaking of shaking of direction and fore-and-aft direction up and down.And, the heavier grain of proportion from sieve 53 and branch network selection 63 leak down, and on a shelf 64, flow down, be transported to hopper 30 after tube 65 (Fig. 4) that once winnow of conveyor screw (omitting diagram) are housed through inside from spiral 65a, and temporarily accumulate in this hopper 30.

Having arrived discharge rice straw behind the shelling of terminal of threshing chamber 66 is discharged from (the omitting diagram) clamping of rice straw chain and carries, throw into discharge rice straw cutter 81a, the 81b (Fig. 3) of discharge rice straw process chamber 95 at the rear portion of threshing apparatus 15, be cut off the back and emit to the farmland.

The grain that accumulates in the hopper 30 is discharged to dress paddy bag from discharging chute 19a (Fig. 1).The paddy stalk of reaping apparatus 6 harvestings is regulated the threshing degree of depth etc. by the threshing depth adjustment that is installed on the reaping apparatus 6, and is inserted in the threshing chamber 66 of threshing apparatus 15.In addition, the transmission of power from engine rotates this threshing cylinder 69 to the turning cylinder (omitting diagram) of threshing cylinder 69.

Be inserted into the paddy stalk of the band grain of threshing chamber 66, mounting board is between feeding chain 14 and mounting board bar 12 (Fig. 2, Fig. 3), Yi Bian Yi Bian rearward transfer the threshing tooth 69a shelling of the threshing cylinder 69 that passes through rotation.From the object being treated (grain or rice straw bits) that the paddy stalk separates, passed through the part of threshing net (omitting diagram) and accepted by shaking shelf 51.

Shake shelf 51 by the branch network selection 63 of the below of the handover shelf 52 of the below of the threshing net that is disposed at threshing chamber 66, the sieve 53 that is disposed at the top of this handover shelf 52, this sieve 53 and be disposed at aftermost straw shaker 62 etc. and constitute.

Because at the grain that leaks down from about 1/3 zone of the front portion of threshing chamber 66 is simple grain, nor comprise field trash, therefore, needn't sorting roughly on the sieve 53 of Fig. 3 shown in waiting, can directly on minute network selection 63, be used to carry out selection by winnowing from the air-supply of winnower winnowing machine 79, thereby alleviate the load of sieve 53, carry out shelling effectively.

In addition, since shake the running of shelf 51 by shaking shelf driving mechanism (omit diagram) up and down fore-and-aft direction shake, therefore, object being treated moves to arrow A direction (Fig. 3), simultaneously, transfer the heavier grain of the proportion that falls on the shelf 52 along the arrow B direction by branchs network selection 63, be deposited on shelf 64, and from spiral 65a through the tube 65 of once winnowing to hopper 30 conveyings.

On shaking in the object being treated on the shelf 51 the big or small less secondary grain by sieving 53 mesh and leaking down to flow through secondary shelf 85 along the arrow C direction from the secondary grain that is mixed with the rice straw bits that leaks down with this gap of sieving 53 follow-up straw shakers 62 (Fig. 4).And, concentrate on the part that is provided with of secondary spiral 86, carry to secondary reduction tube 87, transmit to the rear portion of after-treatment chamber 58 (Fig. 5) from secondary reduction tube 87, Yi Bian Yi Bian and forwards transfer processing with the spiral 70a of after-treatment cylinder 70.Have, lighter part is discharged to the engine body exterior of arrow D direction (Fig. 3) again.

In addition, as Fig. 3～shown in Figure 5, be provided with on the rice straw process chamber 95 and will blow out the discharge guide 99 of wind direction discharging from dust exhausting fan 91 along the direction guiding of separating plate (dust discharge wind guided plate) 93, guided plate 94, wind guide (wind guided plate) 97 and hang plate (dust discharge thing guided plate) 98.

As Fig. 3～shown in Figure 5,, and be between header board 66a and the middle plate 66b with the antetheca that this after-treatment cylinder 70 is arranged on the wall that constitutes threshing chamber 66 near threshing cylinder 69 configuration after-treatment cylinders 70.In addition, middle plate 66b is positioned at the rearward end of after-treatment cylinder 70, forms connected entrance 66x between plate 66b and the back plate 66c in this.That is, middle plate 66b becomes the wall of separating after-treatment chamber 58 1 sides and dust discharge process chamber 59 1 sides.

Above-mentioned secondary grain (secondary thing) is the mixture of normal grain, branch stalk grain, rice straw bits etc., utilize the secondary spiral to raise upward and send by the inside of secondary reduction tube 87, and from the upper rear end opening of after-treatment chamber 58 inlet emit towards oblique the place ahead.The after-treatment spiral (conveyor screw) by the after-treatment cylinder 70 that rotates the bottom be arranged on above-mentioned after-treatment chamber 58 freely carry out the separation of grain during 70a is carried and from branch stalk grain except that discarding stalk, part object being treated is fallen after falling and is shaken on the shelf 51, and with object being treated interflow from threshing chamber 66 after carry out sorting once more.

In addition, arrived the object being treated of the object being treated throughput direction terminal part of threshing chamber 66, carry and enter dust discharge process chamber 59 from connected entrance 66x shown in Figure 5 to arrow R direction, utilize the dust discharge of rotating at this dust discharge process chamber 59 handle cylinder 71 (coaxial) with after-treatment cylinder 70 while conveyor screw 71a and carry and handle.In this object being treated, though amount also contains the grain of band branch stalk less, this band branch stalk grain and less rice straw bits process be cancellate to be accepted net (filter element) 72 (Fig. 4) and leaks down and drop to and shake on the shelf 51.

In addition, mainly be that the branch stalk adheres to less grain (pure grain) from the object being treated of sending into a spiral 65a after minute network selection 63 is leaked down.

In addition, the part that falls from minute network selection 63 not, on this minute network selection 63, rearward transfer and from this minute network selection 63 rearward end supply with to secondary spiral 86 1 sides.Do not leak down and mainly be that the branch stalk adheres to grain and less rice straw bits etc. to the object being treated that secondary spiral 86 1 sides are supplied with from minute network selection 63.

In addition, not from sieving the object being treated that leaks down in 53 front portion, on this sieve 53, rearward transfer and leak down from the rear portion of this sieve 53 and to 86 supplies of secondary spiral.So, leak down from the rear portion of this sieve 53 and the part of sending into secondary spiral 86 mainly is rice straw bits (grain that also comprises minute quantity).These stalks are adhered to grain and rice straw bits utilizes secondary reduction tube 87 to the transmission of the rear portion of after-treatment chamber 58 and handle once more.

In addition, the part that is transplanted on the rear end of sieve 53 is discharged to the outside of threshing apparatus 15 along arrow D direction (Fig. 3) former state.The grain that wherein also contains minute quantity sometimes is according to the sharpness of separation of this amount (ratio) assessment threshing apparatus 15.

So, on spiral 65a or secondary spiral 86, supply with respectively mainly and adhere to the size (whether leaking down) of grain, rice straw bits and so on and the object being treated of shape (whether being subjected to the influence of sorting wind easily) sorting from mesh by pure grain, branch stalk.

In the present embodiment, constitute the dust discharge thing that to discharge to the outside from the rearward end of dust discharge process chamber 59 and the dust discharge thing of discharging to the outside from the rearward end of separation chamber 50, by being the dust discharge wind of the dust exhausting fan 91 that a plurality of guided plates 94 of disposing to shape ground, bottom right are guided by separating plate 93 of later on downward skewed installation with when this is observed from the back side above separating plate 93, can emitting and guide to any one party side about the rear portion (right side when being the observing of body 1 of combine in the present embodiment) from the back side.

So, a plurality of guided plates 94 are made the dust discharge thing that can disperse from dust discharge process chamber 59 and 50 both sides of separation chamber.

In addition, setting has the hang plate 98 of width identical with shaking shelf 51 and downward skewed installation after this shakes on the rearward end of shelf 51, the rear portion that constitutes this hang plate 98 than the position of the imaginary extended line S of separating plate 93 also near the rear, and when the back side is observed, be on the upper surface of this hang plate 98 to the bottom right shape wind guided plate 97 more than one is set.

According to said structure, can discharge to the farmland with the dust discharge thing of discharging with from the dust discharge thing of separation chamber 50, to prevent nitrogen component irregular on the farmland from the rearward end of dust discharge process chamber 59 with dividing equally.

Promptly, since the rear end of hang plate 98 that is configured to be arranged on the rearward end of shaking shelf 51 than the position of the imaginary extended line S of separating plate 93 also near rear side, therefore, by to blowing the wind of dust exhausting fan 91 on the dust discharge thing that on hang plate 98, flows down from the rearward end of shaking shelf 51 strongly, the farmland face of a side (farmland, the right side face of the body 1 of combine) dispersion discharge can gathered in.Thus, can reduce the deviation of the rice straw bits bed thickness that is discharged on the face of farmland, reduce by the deviation that will discharge the soil property that rice straw causes as collected manure, thereby can obtain stable harvest yield.

In addition, though be provided with the wind guide 97 that is when observing from the back side to the bottom right on hang plate 98, the top portion that this wind guide 97 constitutes wind guide 97 when the back side is observed is positioned at the central shaft and the dust discharge of threshing cylinder 69 and handles between the central shaft of cylinder 71.

Thus, can successfully discharge with the threshing chamber dust discharge thing of discharging with from the dust discharge thing of dust discharge process chamber 59 from the discharge stalk mouth (position that the fringe taper of the discharge rice straw behind the shelling is removed) of the rear end of threshing chamber 66 to the right side (promptly gathering in a side) of the body 1 of combine.

In addition, owing to wind guide 97 and hang plate 98 are configured to enter the downside of the rotating knife of discharging rice straw cutter 81a, 81b, therefore, can by discharge disconnected rice straw that rice straw cutter 81a, 81b cut off divide equally to the farmland diffusion, to prevent nitrogen component irregular on the farmland.

Have, the top portion of making wind guide 97 when observing from the back side is positioned at the roughly middle structure of the top portion 100 (Fig. 4) of threshing cylinder 69 and back plate 66c again.In addition, back plate 66c is the plate that axle supports the rear side of threshing cylinder 69, becomes the rear wall of threshing chamber 66.

By this structure, can discharge to the farmland equably from the threshing chamber dust discharge thing of threshing chamber 66 with from the dust discharge thing of dust discharge process chamber 59, to prevent nitrogen component irregular on the farmland.

In addition,, therefore, can discharge to the farmland, to prevent nitrogen component irregular on the farmland because the top portion of wind guide 97 is configured in the substantial middle portion that disposes a plurality of straw shaker 62 (Fig. 4) with dividing equally from the dust discharge thing of dust discharge process chamber 59.

Nitrogen component increases if rice straw rots then; Thereby if the nitrogen component acid corrosion easily in soil zone at most.

According to said structure,, nitrogen component can be evenly dispersed on the farmland, thereby the as fertilizer sources composition can effectively utilize by the dust discharge thing of threshing apparatus 15 is divided equally discharging to the farmland.

Claims (1)

1. combine is characterized in that:

In the front side of mobile devices (3) reaping apparatus (6) is set;

Upside at mobile devices (3) is provided with threshing apparatus (15);

Discharge rice straw cutter (81a, 81b) is set at the rear portion of this threshing apparatus (15);

Mobile devices (3) have the crawler belt (4) of pair of right and left;

On the right side of threshing apparatus (15) hopper (30) is set;

At the rear of the supporting plate (35) of this hopper (30) usefulness and the place ahead of discharging rice straw cutter (81a, 81b) fuel tank (101) is set;

Go up the threshing chamber (66) that setting has possessed threshing cylinder (69) at threshing apparatus (15);

The dust discharge process chamber (59) that has possessed dust discharge processing cylinder (71) is set in the side, rear portion of this threshing chamber (66);

The connected entrance (66x) that setting is communicated with the rearward end of the leading section of this dust discharge process chamber (59) and above-mentioned threshing chamber (66);

Shake shelf (51) in the setting of the below of threshing chamber (66) and dust discharge process chamber (59);

In this top, rear portion of shaking shelf (51) dust exhausting fan (91) is set;

Dust discharge wind at this dust exhausting fan (91) goes out the dust discharge wind guided plate (93) that tilts down backward that a side is provided with the dust discharge wind direction back lower place guiding that will blow out from dust exhausting fan (91);

Be provided with and shake dust discharge thing that shelf (51) discharges and the dust discharge thing guided plate (98) that tilts down backward that flows down guiding from the dust discharge thing that the rearward end of above-mentioned dust discharge process chamber (59) is discharged to the back lower place from this in the rearward end of shaking shelf (51);

With the rear end of this dust discharge thing guided plate (98) be arranged on than above-mentioned dust discharge wind guided plate (93) to the imaginary extended line (S) of the back lower place also by on the position of rear side;

The wind guided plate (97) that is the posture that has a down dip when the back side from combine (1) is observed to the right is being set on this dust discharge thing guided plate (98);

This wind guided plate (97) and dust discharge thing guided plate (98) are arranged on the downside of above-mentioned discharge rice straw cutter (81a, 81b);

The top portion of wind guided plate (97) is positioned at threshing cylinder (69) when the back side of combine (1) is observed central shaft and dust discharge are handled between the central shaft of cylinder (71);

The top portion of wind guided plate (97) is configured in the substantial middle portion that is arranged at the rear portion of shaking dividing plate (51) and disposes a plurality of straw shaker (62) when observing from the back side of combine (1).

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