JP2012249551A - Thresher and combine harvester equipped with the thresher - Google Patents

Thresher and combine harvester equipped with the thresher Download PDF

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JP2012249551A
JP2012249551A JP2011122950A JP2011122950A JP2012249551A JP 2012249551 A JP2012249551 A JP 2012249551A JP 2011122950 A JP2011122950 A JP 2011122950A JP 2011122950 A JP2011122950 A JP 2011122950A JP 2012249551 A JP2012249551 A JP 2012249551A
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handling
threshing
threshing device
side wall
port
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Atsushi Mizushima
淳 水島
Hiroki Watabe
寛樹 渡部
Mikiji Hirota
幹司 廣田
Mitsuki Kaiume
光樹 貝梅
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Iseki and Co Ltd
Iseki Agricultural Machinery Mfg Co Ltd
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Iseki and Co Ltd
Iseki Agricultural Machinery Mfg Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To improve the functionality of a thresher and a combine harvester equipped with the thresher, to improve the operation efficiency of threshing and to reduce the production cost.SOLUTION: The thresher is constituted by arranging a nipping and conveying terminal part of a feed chain (34) at the site near to a rear side wall (25) or a site dislocated rearward from the rear side wall (25), and opening a straw-discharging port (32) formed at the rear side wall (25) so as to be directed to the outside of the thresher (3), and is regulated so that the site of the waste straw at the ear side after the threshing can be cut by a cutting blade (37) present at the rear terminal part of a threshing cylinder (27) and directly discharged to the outside of the thresher (3) from the straw-discharging port (32), and the site of the waste straw at the root side after the threshing can directly be discharged to the outside of the thresher (3) from the nipping and conveying terminal part of the feed chain (34).

Description

この発明は、脱穀装置およびこの脱穀装置を搭載したコンバインに関するものである。 The present invention relates to a threshing apparatus and a combine equipped with the threshing apparatus.

従来より、コンバインに搭載された脱穀装置は、扱室の前部に備えた前側壁と扱室の後部に備えた後側壁との間に扱胴を軸架し、扱室の横外側に備えた外側壁に扱口を形成すると共にこの扱口に沿ってフィードチェンを設け、扱室の後側壁には、このフィードチェンによって搬送された脱穀後の排稈を排出する排稈口を形成している。
また、扱室の下方には、この扱室から漏下する処理物を受けて揺動移送しながら選別する揺動選別棚を配置し、この揺動選別棚の後部を扱室の後側壁よりも大きく後方へ延設し、この後部上方に排塵ファンを設けている。すなわち、この排塵ファンは、扱室の後側壁よりも後方へ所定間隔をおいて配置される。
そして、フィードチェンの挟持搬送終端部に始端を臨ませた排藁搬送装置を、上記排塵ファンの上側を迂回して配置し、その搬送終端部を脱穀装置後方の排稈カッターや結束装置に臨ませている。
Conventionally, a threshing device mounted on a combine has a handling cylinder pivoted between a front side wall provided at the front part of the handling room and a rear side wall provided at the rear part of the handling room, and is provided on the lateral outer side of the handling room. In addition, a handling port is formed on the outer wall and a feed chain is provided along the handling port, and a draining port is formed on the rear side wall of the handling chamber to discharge the threshing waste conveyed by the feed chain. ing.
In addition, a swing sorting shelf is arranged below the handling chamber for receiving the processing material leaking from the handling chamber and sorting while swinging and transferring the rear portion of the swing sorting shelf from the rear side wall of the handling chamber. Extends rearward, and a dust exhaust fan is provided above the rear part. That is, the dust exhaust fan is disposed at a predetermined interval rearward from the rear side wall of the handling chamber.
Then, the waste transporting device with the start end facing the clamping transport terminal end of the feed chain is arranged around the upper side of the dust exhaust fan, and the transport terminal is placed on the waste cutter or binding device behind the threshing device. I ’m here.

特開2005−143356号公報JP 2005-143356 A

しかしながら、上述の従来のコンバインの脱穀装置では、扱室の後側に排塵ファンが配置されるために、この脱穀装置の全長が長くなり、コンバインの全長が長くなって圃場での機動性が低下する問題がある。   However, in the above-described conventional combine threshing device, since the dust exhaust fan is disposed on the rear side of the handling room, the total length of the threshing device is increased, the total length of the combine is increased, and the mobility in the field is increased. There is a problem that decreases.

一方、脱穀装置の全長を制約した場合には、扱胴が短くなり、脱穀能率が低下する問題が生じる。   On the other hand, when the total length of the threshing device is restricted, the handling barrel is shortened, resulting in a problem that the threshing efficiency is reduced.

また、脱穀後の排藁を、排塵ファンを迂回して排藁カッターや結束装置に供給するために、フィードチェンとは別の排藁搬送装置を必要とし、製造コストが高くなる問題があった。   In addition, in order to supply the waste after threshing to the waste cutter and the bundling device by bypassing the dust exhaust fan, a waste transport device different from the feed chain is required, which increases the manufacturing cost. It was.

そして、このようにフィードチェンの挟持搬送終端部から排藁搬送装置に排藁を引き継ぐ際に、この排藁が円滑に引き継がれずに詰まりを生じ、コンバインによる刈取脱穀作業を中断せざるをえなくなる問題が生じうるものであった。
この発明は、上記課題を解決し、脱穀装置およびこの脱穀装置を搭載するコンバインの機動性の向上、脱穀作業能率の向上、製造原価の低減を目的とするものである。
Then, when handing over the waste from the pinch transport terminal end of the feed chain to the waste transporting device in this way, the waste is not smoothly handed over, resulting in clogging, and the harvesting and threshing work by the combine must be interrupted. Problems could arise.
This invention solves the said subject and aims at the improvement of the mobility of the threshing apparatus and the combine which mounts this threshing apparatus, the improvement of the threshing work efficiency, and the reduction of manufacturing cost.

この発明は、上述の課題を解決するために、次の技術的手段を講じる。
即ち、請求項1記載の発明は、扱室(22)の前部に備えた前側壁(24)と扱室(22)の後部に備えた後側壁(25)との間に多数の扱歯(26)を有した扱胴(27)を扱胴軸(28)で軸架し、扱室(22)の横外側に備えた外側壁(30)には穀稈を扱室(22)内に挿入する扱口(33)を形成し、該扱口(33)に沿って穀稈を挟持搬送するフィードチェン(34)を設け、前記後側壁(25)には扱口(33)に連続する排稈口(32)を形成した脱穀装置(3)において、前記扱胴(27)の後端部周面に切断刃(37)を備え、前記フィードチェン(34)の挟持搬送終端部を後側壁(25)の近傍の部位あるいは後側壁(25)よりも後方に偏倚した部位に配置すると共に、前記排稈口(32)を脱穀装置(3)の外部に向けて開口し、脱穀後の排稈の穂先側の部位が扱胴(27)後端部の切断刃(37)で切断されて排稈口(32)から脱穀装置(3)の外部へ直接排出され、脱穀後の排稈の株元側の部位はフィードチェン(34)の挟持搬送終端部から脱穀装置(3)の外部へ直接排出される構成としたことを特徴とする脱穀装置としたものである。
請求項2記載の発明は、前記扱室(22)の下方に揺動選別棚(41)を設け、該揺動選別棚(41)の後端部を前記排稈口(32)の直下方の部位またはこの近傍の部位に配置したことを特徴とする請求項1記載の脱穀装置としたものである。
請求項3記載の発明は、前記扱胴(27)の後端部に備えた切断刃(37)に後方への送り角度を備えたことを特徴とする請求項2記載の脱穀装置としたものである。
請求項4記載の発明は、前記扱胴(27)の下側に扱網(29)を張設し、該扱網(29)の後端部に設けた仕切板(S)を前記切断刃(37)よりも前側の部位に配置したことを特徴とする請求項1から請求項3のいずれか一項記載の脱穀装置としたものである。
請求項5記載の発明は、前記仕切板(S)から脱穀装置(3)の外部へ向けて後下がり傾斜する排出案内板(F)を設けたことを特徴とする請求項4記載の脱穀装置としたものである。
請求項6記載の発明は、走行装置(2)を備えた機体フレーム(1)の左右一側に前記脱穀装置(3)を搭載し、機体フレーム(1)の左右他側には脱穀後の穀粒を貯留する穀粒貯留装置(4)を搭載し、機体フレーム(1)における前記脱穀装置(3)の直後の部位を切り欠き、前記排稈口(32)から圃場面へ排出される切断後の排藁の落下経路(A)を形成したことを特徴とする請求項1から請求項5のいずれか一項記載の脱穀装置を搭載したコンバインとしたものである。
In order to solve the above-mentioned problems, the present invention takes the following technical means.
In other words, the invention described in claim 1 is that a large number of teeth are handled between the front side wall (24) provided at the front portion of the handling chamber (22) and the rear side wall (25) provided at the rear portion of the handling chamber (22). A handling cylinder (27) having (26) is pivoted by a handling cylinder shaft (28), and the outer wall (30) provided on the lateral outer side of the handling chamber (22) is filled with cereals in the handling chamber (22). A feed port (33) is formed to be inserted into the feed port, and a feed chain (34) is provided to sandwich and convey the cereal rice cake along the handle (33). The rear side wall (25) is continuous with the handle (33). In the threshing device (3) in which the discharge port (32) to be formed is provided, a cutting blade (37) is provided on the peripheral surface of the rear end portion of the handling cylinder (27), and a holding conveyance terminal portion of the feed chain (34) is provided. It arrange | positions in the site | part of the vicinity of the rear side wall (25), or the site | part biased back rather than the rear side wall (25), and the said discharge port (32) is outside the threshing device (3). To the outside of the threshing device (3) from the throat (32) to the outside of the threshing device (3). A threshing apparatus characterized in that it is directly discharged and the part of the stock removal side of the culling after threshing is directly discharged from the pinching and conveying terminal part of the feed chain (34) to the outside of the threshing apparatus (3), It is a thing.
According to a second aspect of the present invention, a swing sorting shelf (41) is provided below the handling chamber (22), and a rear end portion of the swing sorting shelf (41) is directly below the discharge port (32). The threshing apparatus according to claim 1, wherein the threshing apparatus is disposed at a site in the vicinity of or near the site.
The invention according to claim 3 is the threshing device according to claim 2, characterized in that the cutting blade (37) provided at the rear end of the handling cylinder (27) has a backward feed angle. It is.
According to a fourth aspect of the present invention, a handling net (29) is stretched under the handling cylinder (27), and a partition plate (S) provided at a rear end of the handling net (29) is used as the cutting blade. The threshing apparatus according to any one of claims 1 to 3, wherein the threshing apparatus is arranged at a site in front of (37).
The invention according to claim 5 is characterized in that the threshing device according to claim 4 is provided with a discharge guide plate (F) that is inclined downwardly from the partition plate (S) toward the outside of the threshing device (3). It is what.
The invention according to claim 6 is characterized in that the threshing device (3) is mounted on the left and right sides of the machine body frame (1) provided with the traveling device (2), and the threshing device on the left and right other sides of the machine body frame (1) A grain storage device (4) for storing the grain is mounted, a part immediately after the threshing device (3) in the machine body frame (1) is cut out, and discharged to the field scene from the discharge port (32). 6. A combine equipped with the threshing device according to any one of claims 1 to 5, wherein a dropping path (A) of the waste after cutting is formed.

請求項1記載の発明によると、フィードチェン(34)の挟持搬送終端部を後側壁(25)の近傍の部位あるいは後側壁(25)よりも後方に偏倚した部位に配置すると共に、後側壁(25)に形成した排稈口(32)を脱穀装置(3)の外部に向けて開口し、脱穀後の排稈の穂先側の部位が扱胴(27)後端部の切断刃(37)で切断されて排稈口(32)から脱穀装置(3)の外部へ直接排出され、脱穀後の排稈の株元側の部位はフィードチェン(34)の挟持搬送終端部から脱穀装置(3)の外部へ直接排出される構成としたので、脱穀装置(3)の全長をコンパクトに構成できてコンバインの機動性を向上させることができる。そして、扱胴(27)の全長を長くでき、また、排藁搬送装置を省略してフィードチェン(34)との引き継ぎ部での排稈の詰まりを少なくすることで、脱穀装置(3)の脱穀作業能率を高めることができる。そして、排藁搬送装置および後付けの排藁カッターを省略することで、脱穀装置(3)およびこの脱穀装置(3)を搭載するコンバインの製造原価を低減して安価に提供することができる。
請求項2記載の発明によると、上記請求項1記載の発明の効果に加え、扱室(22)の下方に設けた揺動選別棚(41)の後端部を排稈口(32)の直下方の部位またはこの近傍の部位に配置することで、脱穀装置(3)の選別部の全長を短くして脱穀装置(3)及びこの脱穀装置(3)を搭載するコンバインの全長を更にコンパクト化することができる。
請求項3記載の発明によると、上記請求項2記載の発明の効果を奏するうえに、扱胴(27)の後端部に備えた切断刃(37)によって、切断後の排藁を排稈口(32)から円滑に排出することができる。
請求項4記載の発明によると、上記請求項1から請求項3のいずれか一項記載の発明の効果に加え、扱胴(27)の後端部に備えた切断刃(37)で切断された排藁が、扱網(29)に引っ掛かりにくくなり、円滑に排出することができる。
請求項5記載の発明によると、上記請求項4記載の発明の効果を奏するうえに、扱胴(27)の後端部に備えた切断刃(37)で切断された排藁を、脱穀装置(3)の外部へより円滑に排出することができる。
請求項6記載の発明によると、上記請求項1から請求項5のいずれか一項記載の発明の効果に加え、コンバインの機体フレーム(1)における脱穀装置(3)の直後の部位を切り欠いて形成した落下経路(A)から切断後の排藁を圃場面へ排出するで、機体フレーム(1)上に排藁が溜まりにくくなり、コンバインによる刈取脱穀作業を円滑に行なうことができる。
According to the first aspect of the present invention, the nipping and conveying terminal portion of the feed chain (34) is disposed in a portion near the rear side wall (25) or a portion biased rearward from the rear side wall (25), and the rear side wall ( 25) The throat (32) formed on the threshing device (3) is opened to the outside, and the tip side of the culling after threshing is the handle (27) and the cutting edge (37) at the rear end. And is discharged directly to the outside of the threshing device (3) from the throat (32), and the portion on the stock side of the mash after the threshing is threshing device (3 ), The total length of the threshing device (3) can be made compact and the mobility of the combine can be improved. And the full length of the barrel (27) can be lengthened, and the crushing of the waste at the takeover portion with the feed chain (34) can be reduced by omitting the waste conveying device, thereby reducing the threshing device (3). Threshing work efficiency can be increased. Then, by omitting the waste transporting device and the retrofitting waste cutter, the threshing device (3) and the combine equipped with the threshing device (3) can be manufactured at low cost.
According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the rear end portion of the swing sorting shelf (41) provided below the handling chamber (22) is connected to the discharge port (32). By arranging it in the site directly below or in the vicinity thereof, the total length of the screening unit of the threshing device (3) is shortened, and the total length of the threshing device (3) and the combine equipped with this threshing device (3) is further compacted. Can be
According to invention of Claim 3, in addition to having the effect of the invention of Claim 2, the waste after cutting is rejected by the cutting blade (37) provided at the rear end of the handling cylinder (27). It can be smoothly discharged from the mouth (32).
According to the invention described in claim 4, in addition to the effects of the invention described in any one of claims 1 to 3, the cutting blade (37) provided at the rear end of the handling cylinder (27) is used for cutting. Therefore, the waste can be prevented from being caught by the handling net (29) and can be smoothly discharged.
According to the invention described in claim 5, in addition to the effects of the invention described in claim 4 above, the threshing device is obtained by removing the waste that has been cut by the cutting blade (37) provided at the rear end portion of the handling cylinder (27). (3) It can discharge more smoothly to the outside.
According to the invention described in claim 6, in addition to the effects of the invention described in any one of claims 1 to 5, the portion immediately after the threshing device (3) in the fuselage frame (1) of the combine is cut out. Since the waste after cutting is discharged from the fall path (A) formed in this way to the field scene, the waste is less likely to accumulate on the machine body frame (1), and the harvesting and threshing work by the combine can be performed smoothly.

コンバインの側面図。The side view of a combine. 脱穀装置の説明用側面図。The side view for description of a threshing apparatus. 脱穀装置の説明用平面図。The top view for explanation of a threshing apparatus. 脱穀装置の説明用背面図。The rear view for description of a threshing apparatus. 脱穀装置の説明用背面図。The rear view for description of a threshing apparatus. 一部の拡大図。Some enlarged views. 一部の拡大図。Some enlarged views. 脱穀装置の説明用背面図。The rear view for description of a threshing apparatus. 脱穀装置の説明用側面図。The side view for description of a threshing apparatus. 脱穀装置の説明用平面図。The top view for explanation of a threshing apparatus. 脱穀装置の説明用背面図。The rear view for description of a threshing apparatus. 脱穀装置の説明用側面図。The side view for description of a threshing apparatus. 脱穀装置の説明用平面図。The top view for explanation of a threshing apparatus. 脱穀装置の説明用背面図。The rear view for description of a threshing apparatus.

この発明の実施の形態を、自脱型のコンバインを例示して説明する。
(機体構成)
図1に示すように、コンバインは、機体フレーム1の下方に走行装置2を設け、機体フレーム1の上部左側には脱穀装置3を搭載し、機体フレーム1の上部右側には穀粒貯留装置4を搭載し、機体フレーム1上における穀粒貯留装置4の前側にはエンジン5を搭載し、走行装置2の前方位置には刈取装置6を設けて構成する。
(走行装置)
図1に示すように、走行装置2は、機体フレーム1の下部から下方へ延出した支持脚(図示省略)の下端部に左右の転輪支持フレーム7を固定し、この転輪フレーム7に軸支された多数の転輪8と、ミッションケース(図示省略)から駆動される左右の駆動輪9にわたってクローラ10を巻き掛けて構成する。
(刈取装置)
図1に示すように、刈取装置6は、機体フレーム1の前側上部に支持した支持フレーム11の前端部に左右方向の下部伝動筒12の左右方向中間部を連結し、この下部伝動筒12から前方へ延出する分草フレーム13の前端部に分草体14を取り付け、この分草体14の後側の部位にラグ式の引起装置15を後上がり傾斜姿勢に設け、この引起装置15の後側下部に刈刃装置16を設け、この刈刃装置16の上側に掻込搬送装置(図示省略)の始端部を配置し、この掻込搬送装置の終端部に供給搬送装置17の始端部を臨ませ、この供給搬送装置17の終端部を後述するフィードチェン34の始端部に臨ませて構成する。
(穀粒貯留装置)
図1に示すように、穀粒貯留装置4は、箱型の容器として形成し、底部に排出螺旋(図示省略)を備える。そして、この穀粒貯留装置4には、上記の排出螺旋から穀粒を引き継いで排出する排出装置18を備える。この排出装置18は、揚穀螺旋を内装した揚穀筒19の上端部に、排出螺旋を内装した排出筒20の基部を連通して構成する。また、穀粒貯留装置4の上部には、脱穀装置3によって回収された穀粒を揚穀する一番揚穀筒21の上端の吐き出し口を連通させる。
(脱穀装置)
図1に示すように、機体フレーム1の左側の前後長さを、右側の前後長さよりも短く形成している。即ち、機体フレーム1は、平面視で矩形に形成するが、脱穀装置3を搭載する部位の直後の部位を切り欠いた形状としている。これによって、脱穀装置3の直後には機体フレーム1が存在せず、脱穀装置3直後の機体フレーム1の後端面1Gの後側に、後述する排稈口32から排出された切断後の排藁が落下する落下経路Aが形成される。
The embodiment of the present invention will be described by exemplifying a self-removing combine.
(Airframe configuration)
As shown in FIG. 1, the combine is provided with a traveling device 2 below the body frame 1, a threshing device 3 is mounted on the upper left side of the body frame 1, and a grain storage device 4 is disposed on the upper right side of the body frame 1. The engine 5 is mounted on the front side of the grain storage device 4 on the machine body frame 1, and the cutting device 6 is provided at the front position of the traveling device 2.
(Running device)
As shown in FIG. 1, the traveling device 2 has left and right wheel support frames 7 fixed to lower end portions of support legs (not shown) extending downward from the lower part of the body frame 1. A crawler 10 is wound around a plurality of axially supported wheels 8 and left and right drive wheels 9 driven from a mission case (not shown).
(Reaping device)
As shown in FIG. 1, the reaping device 6 is connected to the front end portion of the support frame 11 supported on the front upper portion of the machine body frame 1 by connecting the left and right middle portion of the lower transmission tube 12 to the lower transmission tube 12. A weeding body 14 is attached to the front end portion of the weeding frame 13 extending forward, and a lug-type pulling device 15 is provided in a rearwardly inclined posture at a rear portion of the weeding body 14. A cutting blade device 16 is provided at the lower portion, a start end portion of a scraping and conveying device (not shown) is disposed above the cutting blade device 16, and a starting end portion of the supply and conveying device 17 is exposed at a terminal portion of the scraping and conveying device. However, the supply transport device 17 is configured so that the terminal end faces the start end of a feed chain 34 to be described later.
(Grain storage device)
As shown in FIG. 1, the grain storage device 4 is formed as a box-shaped container, and includes a discharge spiral (not shown) at the bottom. And this grain storage apparatus 4 is equipped with the discharge device 18 which takes over and discharges a grain from said discharge spiral. This discharge device 18 is configured by communicating the base of a discharge cylinder 20 with a discharge helix in communication with the upper end portion of the cereal cylinder 19 with a cereal helix. Moreover, the upper part of the grain storage apparatus 4 is connected to the discharge port at the upper end of the first cereal cylinder 21 for cerealing the grains recovered by the threshing apparatus 3.
(Threshing device)
As shown in FIG. 1, the front-rear length of the left side of the body frame 1 is shorter than the front-rear length of the right side. That is, the body frame 1 is formed in a rectangular shape in plan view, but has a shape in which a part immediately after the part on which the threshing device 3 is mounted is cut out. As a result, the machine frame 1 does not exist immediately after the threshing device 3, and the cut waste discharged from the discharge port 32, which will be described later, on the rear side of the rear end surface 1G of the machine frame 1 immediately after the threshing device 3. A fall path A is formed in which falls.

しかして、図2〜図4に示すように、上記脱穀装置3は、上部の扱室22と下部の選別室23とで構成される。   Therefore, as shown in FIGS. 2 to 4, the threshing device 3 includes an upper handling chamber 22 and a lower sorting chamber 23.

扱室22は、前部に備えた前側壁24と、後部に備えた後側壁25との間に、周面に多数の線状の扱歯(ワイヤーツース)26を植設した扱胴27を扱胴軸28で軸架し、この扱胴27の下部外周に沿って扱網29を張設し、扱胴27の横外側を外側壁30で覆って構成する。この扱網29の後端部には仕切板Sを起立させて設け、この仕切板Sから脱穀装置3の外部へ向けて後下がりに傾斜した排出案内板Fを設ける。この排出案内板Fの下側であって、揺動選別棚41の後端部上側の部位には、排塵口Zを脱穀装置3の外部へ向けて開口する。外側壁30には、前側壁24に形成した供給口31から、後側壁25に形成した排稈口32まで連続する前後方向の扱口33を形成し、この扱口33の外側部に沿わせてフィードチェン34を設ける。
(フィードチェン)
このフィードチェン34の上側に対向させて、スプリング35で下向きに付勢された挟扼杆36を設ける。この挟扼杆36は、前後方向に複数に分割して、該分割された単体どうしを屈折可能に軸着連結したものであり、最後部のスプリング35aを他のスプリング35よりも後下がりに緩傾斜させている。
図1、図2に示すように、このフィードチェン34は、その搬送始端部を扱室22の前側壁24よりも前方へ大きく延出させ、その搬送終端部は、扱室22の後側壁25よりも後方に偏倚した位置まで延出させる。尚、このフィードチェン34の搬送終端部を、扱室22の後側壁25の近傍の位置に配置する構成としてもよい。
(スクレーパ)
そして、図1〜図6に示すように、フィードチェン34の搬送終端部には、このフィードチェン34によって搬送されてきた脱穀後の排稈の付き回りを防止するスクレーパ51を設ける。図1に示すように、このスクレーパ51は、フィードチェン34の搬送終端部の左側に設けたスクレーパ51Lと右側に設けたスクレーパ51Rとからなり、これらのスクレーパ51L,51Rの上縁は、夫々、フィードチェン34の搬送終端部の傾斜姿勢よりも後上がりに急傾斜している。
また、左側のスクレーパ51Lの後端部には、この左側のスクレーパ51Lの上縁の傾斜姿勢よりも後上がりに急傾斜した案内棒52を固定し、この案内棒52によって排稈の株元側を掬い上げながら放出する構成としている。
尚、図7に示すように、左側のスクレーパ51Lの上縁の高さを、右側のスクレーパ51Rの上縁の高さより低く設定してもよい。
(扱歯)
また、扱胴27の前部から後部にかけては、その外周面に上述の線状の扱歯26を植設するが、その後端部の外周面には、扱胴軸28の軸心方向と交差する向きの送り角度を有した複数の切断刃37を取り付ける。この切断刃37は、扱網29後端の仕切板Sよりも後側において扱胴27の後端部周面に設けられ、扱胴27の回転によって、扱室22内の処理物を後方へ搬送する送り機能を有すると共に、脱穀後の排稈の穂先側の部位を細かく切断する機能を有する。
(扱網)
また、扱網29は、線材を編んだ網状に形成するが、棒状の部材を組んだ格子状、あるいは目抜き鉄板としてもよい。
図4に示すように、この扱網29は、扱室22の後側壁25に形成した排稈口32の下縁から僅かに沈み込んだ位置に配置している。
該扱網29の後端に設ける前記の仕切板Sは、前記切断刃37の先端軌跡と、背面視でオーバーラップする。
(扱胴伝動)
図3に示すように、扱胴軸28の前端部を前側壁24に形成した孔を貫通させて前方へ突出させ、この扱胴軸28の前端に、エンジン5から駆動力の供給を受ける伝動装置5aを連動させる。尚、扱胴軸28の前端は、前側壁24側に支持した前側軸受39に軸受し、扱胴軸28の後端は、後側壁25側に支持した後側軸受40に軸受する。
(選別室)
図2に示すように、選別室23は、揺動選別棚41の下側に、唐箕42と一番移送螺旋43とニ番移送螺旋44とを前側からこの順に配置して構成する。上記揺動選別棚41には、移送棚45とシーブ46とストローラック47とを前側からこの順に備える。
(排塵ファン)
また、図4に示すように、脱穀装置3の左側の機壁48Lにおけるストローラック47よりも高い位置に、排塵ファン49の吸引口50を開口させる。この排塵ファン49の排風ダクト55は、排塵ファン49から左右方向に離間するほど低くなるように既刈地側に傾斜させる。
尚、図5に示すように、この排塵ファン49を脱穀装置3の右側の機壁48Rにも設ける構成としてもよい。
(流下案内板)
そして、図8に示すように、前記排稈口32の後側下方であって排塵口Zよりも下側の部位に、フィードチェン34から左右方向に離間するほど低くなるように傾斜した流下案内板54を設け、この流下案内板54を排風ダクト55に連続させて設ける。
尚、図3に示すように、前記一番移送螺旋43の移送終端部を一番揚穀筒21の基部に連通し、前記ニ番移送螺旋44の移送終端部に連通したニ番揚穀筒53の上端を脱穀装置3の右側の機壁48Rを通じて移送棚45の右側上方に開口させる。
(ドロッパ)
図9〜図11に示すように、前記排稈口32の後側下方に、この排稈口32から排出される切断後の排藁を受けるドロッパ56を設ける。
The handling chamber 22 includes a handling cylinder 27 in which a large number of linear teeth (wire teeth) 26 are implanted on the peripheral surface between a front side wall 24 provided at the front part and a rear side wall 25 provided at the rear part. A handling shaft 28 is mounted on the handling cylinder 27, a handling net 29 is stretched along the outer periphery of the lower part of the handling cylinder 27, and the lateral outer side of the handling cylinder 27 is covered with an outer wall 30. A partition plate S is provided upright at the rear end portion of the handling net 29, and a discharge guide plate F inclined downward from the partition plate S toward the outside of the threshing device 3 is provided. A dust outlet Z is opened to the outside of the threshing device 3 below the discharge guide plate F and above the rear end portion of the swing sorting shelf 41. The outer side wall 30 is formed with a front and rear direction handling port 33 extending from the supply port 31 formed on the front side wall 24 to the discharge port 32 formed on the rear side wall 25, and along the outer side of the handling port 33. Feed chain 34 is provided.
(Feed chain)
Opposite the upper side of the feed chain 34, a pinch 36 urged downward by a spring 35 is provided. The clamp 36 is divided into a plurality of pieces in the front-rear direction, and the divided pieces are pivotally connected so that they can be bent. The spring 35a at the rearmost part is loosened more downward than the other springs 35. It is tilted.
As shown in FIG. 1 and FIG. 2, the feed chain 34 has its transfer start end portion extended more forward than the front side wall 24 of the handling chamber 22, and its transfer end portion is the rear side wall 25 of the handling chamber 22. Extend to a position biased backwards. In addition, it is good also as a structure which arrange | positions the conveyance termination | terminus part of this feed chain 34 in the position near the rear side wall 25 of the handling chamber 22. FIG.
(Scraper)
As shown in FIGS. 1 to 6, a scraper 51 is provided at the conveyance end portion of the feed chain 34 to prevent the scouring after threshing that has been conveyed by the feed chain 34 from being caused. As shown in FIG. 1, the scraper 51 includes a scraper 51L provided on the left side of the conveyance terminal end of the feed chain 34 and a scraper 51R provided on the right side. The upper edges of these scrapers 51L and 51R are respectively The feed chain 34 is steeply inclined backward and higher than the inclined posture of the conveyance end portion.
Further, a guide bar 52 that is steeply inclined rearward from the inclined posture of the upper edge of the left scraper 51L is fixed to the rear end portion of the left scraper 51L. It is configured to release while scooping up.
As shown in FIG. 7, the height of the upper edge of the left scraper 51L may be set lower than the height of the upper edge of the right scraper 51R.
(Tooth treatment)
In addition, the above-described linear handle teeth 26 are implanted on the outer peripheral surface from the front part to the rear part of the handle cylinder 27, but intersect the axial direction of the handle cylinder axis 28 on the outer peripheral surface of the rear end part. A plurality of cutting blades 37 having a feed angle in the direction to be attached are attached. The cutting blade 37 is provided on the peripheral surface of the rear end portion of the handling cylinder 27 on the rear side of the partition plate S at the rear end of the handling net 29, and the processed material in the handling chamber 22 is moved rearward by the rotation of the handling cylinder 27. While having a feeding function to convey, it has the function to cut | disconnect the site | part of the tip side of the waste after threshing finely.
(Treatment network)
In addition, the handling net 29 is formed in a net shape knitted from a wire, but may be a lattice shape in which rod-shaped members are assembled or a hollow iron plate.
As shown in FIG. 4, the handling net 29 is disposed at a position slightly submerged from the lower edge of the discharge port 32 formed in the rear side wall 25 of the handling chamber 22.
The partition plate S provided at the rear end of the handling net 29 overlaps the tip locus of the cutting blade 37 in a rear view.
(Cylinder transmission)
As shown in FIG. 3, the front end portion of the handling cylinder shaft 28 is caused to pass forward through a hole formed in the front side wall 24, and the front end of the handling cylinder shaft 28 receives a supply of driving force from the engine 5. The device 5a is interlocked. The front end of the cylinder barrel 28 is supported by a front bearing 39 supported on the front side wall 24 side, and the rear end of the cylinder barrel 28 is supported by a rear side bearing 40 supported on the rear side wall 25 side.
(Sorting room)
As shown in FIG. 2, the sorting chamber 23 is configured by arranging a red pepper 42, a first transfer spiral 43, and a second transfer spiral 44 in this order from the front side below the swing sorting shelf 41. The swing sorting shelf 41 includes a transfer shelf 45, a sheave 46, and a stroller 47 in this order from the front side.
(Dust exhaust fan)
Further, as shown in FIG. 4, the suction port 50 of the dust exhaust fan 49 is opened at a position higher than the stroller 47 in the left machine wall 48L of the threshing device 3. The air exhaust duct 55 of the dust exhaust fan 49 is inclined to the already-cut ground side so as to become lower as it is separated from the dust exhaust fan 49 in the left-right direction.
In addition, as shown in FIG. 5, it is good also as a structure which provides this dust exhaust fan 49 also in the machine wall 48R of the right side of the threshing apparatus 3. FIG.
(Flow guide plate)
Then, as shown in FIG. 8, the downflow is inclined to the lower part of the rear side of the exhaust port 32 and below the exhaust port Z so as to become lower from the feed chain 34 in the left-right direction. A guide plate 54 is provided, and this flow-down guide plate 54 is provided continuously with the exhaust duct 55.
In addition, as shown in FIG. 3, the transfer terminal part of the said 1st transfer helix 43 is connected to the base part of the 1st whipping cylinder 21, and the 2nd transfer cylinder is connected to the transfer end part of the said 2nd transfer helix 44. The upper end of 53 is opened above the right side of the transfer shelf 45 through the right machine wall 48R of the threshing device 3.
(Dropper)
As shown in FIGS. 9 to 11, a dropper 56 that receives the cut waste discharged from the discharge port 32 is provided on the lower rear side of the discharge port 32.

即ち、扱室22の後側壁25の外側面の排稈口32よりも下側の部位に、左右方向の回転軸57を回転自在に軸支し、この回転軸57から後方へ向けて支持板58を延設し、この支持杆58が、無負荷状態において水平姿勢よりも後上がりの所定の傾斜姿勢に保持されるように、回転軸57を回動付勢するスプリング59を設ける。これにより、排稈口32から排出されて支持杆58上に溜った排藁の重量が所定の重量に達すると、スプリング59の付勢力に抗して支持杆58が下向きに回動し、溜っていた排藁が圃場面に落下する。
(扱胴軸から駆動されるファン)
図12〜図14に示すように、扱胴軸28の後端部を後側軸受40よりも後方へ突出させ、この突出端部にファン60を取り付け、このファン60をケーシング61で囲う。このケーシング61の下部には、既刈地側に向けて傾斜した送風口62を設け、後側壁25のケーシング61で囲われた部位には、後側軸受40を避けて吸引口63を形成する。
(上記構成による効果)
脱穀後の排稈の穂先側の部位が扱胴27後端部の切断刃37で切断されて排稈口32から脱穀装置3の外部へ直接排出され、脱穀後の排稈の株元側の部位はフィードチェン34の挟持搬送終端部から脱穀装置3の外部へ直接排出される構成としたので、脱穀装置3の全長をコンパクトに構成できてコンバインの機動性を向上させることができる。そして、扱胴27の全長を長くでき、また、排藁搬送装置を省略してフィードチェン34との引き継ぎ部での排稈の詰まりを少なくすることで、脱穀装置3の脱穀作業能率を高めることができる。そして、排藁搬送装置と専用の排藁カッターを省略することで、脱穀装置3およびこの脱穀装置3を搭載するコンバインの製造原価を低減して安価に提供することができる。
これに加え、扱室22の下方に設けた揺動選別棚41の後端部を排稈口32の直下方の部位またはこの近傍の部位に配置することで、脱穀装置3の選別部の全長を短くして脱穀装置3及びこの脱穀装置3を搭載するコンバインの全長を更にコンパクト化することができる。
これに加え、扱胴27の後端部に備えた切断刃37に後方への送り角度を備えたことで、扱胴27の後端部に備えた切断刃37によって、切断後の排藁を排稈口32から円滑に排出することができる。
これに加え、扱胴27の下側に扱網29を張設し、該扱網29の後端部に設けた仕切板Sを切断刃37よりも前側の部位に配置したことで、扱胴27の後端部に備えた切断刃37で切断された排藁が、扱網29に引っ掛かりにくくなり、円滑に排出することができる。
これに加え、仕切板Sから脱穀装置3の外部へ向けて後下がり傾斜する排出案内板Fを設けたことで、扱胴27の後端部に備えた切断刃37で切断された排藁を、脱穀装置3の外部へより円滑に排出することができる。
これに加え、コンバインの機体フレーム1における脱穀装置3の直後の部位を切り欠いて形成した落下経路Aから切断後の排藁を圃場面へ排出するで、機体フレーム1上に排稈が溜まりにくくなり、コンバインによる刈取脱穀作業を円滑に行なうことができる。
That is, a left and right rotation shaft 57 is rotatably supported at a portion below the discharge port 32 on the outer side surface of the rear side wall 25 of the handling chamber 22, and the support plate is directed rearward from the rotation shaft 57. 58 is provided, and a spring 59 that rotates and urges the rotary shaft 57 is provided so that the support rod 58 is held in a predetermined inclined posture that rises higher than the horizontal posture in an unloaded state. As a result, when the weight of the waste discharged from the discharge port 32 and accumulated on the support rod 58 reaches a predetermined weight, the support rod 58 rotates downward against the biasing force of the spring 59 and accumulates. The excrement that had been dropped falls into the field scene.
(Fan driven from the barrel)
As shown in FIGS. 12 to 14, the rear end portion of the handling cylinder shaft 28 is protruded rearward from the rear bearing 40, a fan 60 is attached to the protruding end portion, and the fan 60 is surrounded by a casing 61. The lower portion of the casing 61 is provided with an air blowing port 62 inclined toward the already-cut ground, and a suction port 63 is formed in a portion surrounded by the casing 61 of the rear side wall 25 while avoiding the rear bearing 40. .
(Effects of the above configuration)
After the threshing, the portion on the tip side of the culling is cut by the cutting blade 37 at the rear end of the handling cylinder 27 and discharged directly from the culling port 32 to the outside of the threshing device 3, Since the portion is configured to be discharged directly from the nip and conveying terminal portion of the feed chain 34 to the outside of the threshing device 3, the entire length of the threshing device 3 can be configured compactly, and the mobility of the combine can be improved. And the full length of the handling cylinder 27 can be lengthened, and the threshing work efficiency of the threshing device 3 is increased by omitting the waste conveying device and reducing the clogging of the waste at the takeover portion with the feed chain 34. Can do. Then, by omitting the waste transporting device and the dedicated waste cutter, the threshing device 3 and the combine equipped with the threshing device 3 can be manufactured at low cost.
In addition to this, by arranging the rear end portion of the swing sorting shelf 41 provided below the handling chamber 22 at a portion immediately below the sluice port 32 or a portion in the vicinity thereof, the total length of the sorting portion of the threshing apparatus 3 The total length of the threshing device 3 and the combine equipped with the threshing device 3 can be further reduced.
In addition to this, the cutting blade 37 provided at the rear end portion of the handling cylinder 27 is provided with a backward feed angle, so that the cutting blade 37 provided at the rear end portion of the handling cylinder 27 removes the waste after cutting. It is possible to smoothly discharge from the discharge port 32.
In addition to this, the handling net 29 is stretched under the handling cylinder 27, and the partition plate S provided at the rear end of the handling net 29 is disposed at a position in front of the cutting blade 37. 27, the waste cut by the cutting blade 37 provided at the rear end of the belt 27 is not easily caught by the handling net 29, and can be discharged smoothly.
In addition to this, by providing a discharge guide plate F that slopes downward from the partition plate S toward the outside of the threshing device 3, the waste that has been cut by the cutting blade 37 provided at the rear end portion of the handling cylinder 27 is removed. , The threshing device 3 can be discharged more smoothly to the outside.
In addition to this, the waste after cutting is discharged from the fall path A formed by cutting out the part immediately after the threshing device 3 in the body frame 1 of the combine to the field scene, so that the waste does not easily accumulate on the body frame 1. Therefore, the mowing and threshing work by the combine can be performed smoothly.

1 機体フレーム
2 走行装置
3 脱穀装置
4 穀粒貯留装置
22 扱室
24 前側壁
25 後側壁
26 扱歯
27 扱胴
28 扱胴軸
30 外側壁
32 排稈口
33 扱口
34 フィードチェン
37 切断刃
41 揺動選別棚
A 落下経路
F 排出案内板
S 仕切板
DESCRIPTION OF SYMBOLS 1 Airframe frame 2 Traveling apparatus 3 Threshing apparatus 4 Grain storage apparatus 22 Handling chamber 24 Front side wall 25 Rear side wall 26 Handling tooth 27 Handling cylinder 28 Handling cylinder axis 30 Outer wall 32 Exhaust port 33 Handling port 34 Feed chain 37 Cutting blade 41 Swing sorting shelf A Falling path F Discharge guide plate S Partition plate

Claims (6)

扱室(22)の前部に備えた前側壁(24)と扱室(22)の後部に備えた後側壁(25)との間に多数の扱歯(26)を有した扱胴(27)を扱胴軸(28)で軸架し、扱室(22)の横外側に備えた外側壁(30)には穀稈を扱室(22)内に挿入する扱口(33)を形成し、該扱口(33)に沿って穀稈を挟持搬送するフィードチェン(34)を設け、前記後側壁(25)には扱口(33)に連続する排稈口(32)を形成した脱穀装置(3)において、前記扱胴(27)の後端部周面に切断刃(37)を備え、前記フィードチェン(34)の挟持搬送終端部を後側壁(25)の近傍の部位あるいは後側壁(25)よりも後方に偏倚した部位に配置すると共に、前記排稈口(32)を脱穀装置(3)の外部に向けて開口し、脱穀後の排稈の穂先側の部位が扱胴(27)後端部の切断刃(37)で切断されて排稈口(32)から脱穀装置(3)の外部へ直接排出され、脱穀後の排稈の株元側の部位はフィードチェン(34)の挟持搬送終端部から脱穀装置(3)の外部へ直接排出される構成としたことを特徴とする脱穀装置。 A handling cylinder (27) having a number of teeth (26) between a front side wall (24) provided at the front part of the handling room (22) and a rear side wall (25) provided at the rear part of the handling room (22). ) With the barrel shaft (28), and the outer wall (30) provided on the lateral outer side of the handling chamber (22) is formed with a handling port (33) for inserting the cereal into the handling chamber (22). In addition, a feed chain (34) for sandwiching and conveying the cereals along the handling port (33) is provided, and a discharge port (32) continuous to the handling port (33) is formed on the rear side wall (25). In the threshing device (3), a cutting blade (37) is provided on the peripheral surface of the rear end portion of the handling cylinder (27), and the nipping and conveying terminal portion of the feed chain (34) is a part near the rear side wall (25) or It arrange | positions in the site | part biased rearward rather than the rear side wall (25), and opens the said slag opening (32) toward the exterior of a threshing apparatus (3), and the waste after threshing The tip side of the head is cut by the cutting blade (37) at the rear end of the barrel (27) and discharged directly from the throat (32) to the outside of the threshing device (3). The threshing device characterized in that the former part is configured to be discharged directly from the nipping and conveying terminal portion of the feed chain (34) to the outside of the threshing device (3). 前記扱室(22)の下方に揺動選別棚(41)を設け、該揺動選別棚(41)の後端部を前記排稈口(32)の直下方の部位またはこの近傍の部位に配置したことを特徴とする請求項1記載の脱穀装置。   A swing sorting shelf (41) is provided below the handling chamber (22), and the rear end portion of the swing sorting shelf (41) is located at a position directly below or near the drainage port (32). The threshing device according to claim 1, wherein the threshing device is arranged. 前記扱胴(27)の後端部に備えた切断刃(37)に後方への送り角度を備えたことを特徴とする請求項2記載の脱穀装置。   The threshing apparatus according to claim 2, wherein a cutting blade (37) provided at a rear end portion of the handling cylinder (27) has a backward feed angle. 前記扱胴(27)の下側に扱網(29)を張設し、該扱網(29)の後端部に設けた仕切板(S)を前記切断刃(37)よりも前側の部位に配置したことを特徴とする請求項1から請求項3のいずれか一項記載の脱穀装置。   A handling net (29) is stretched below the handling cylinder (27), and a partition plate (S) provided at the rear end of the handling net (29) is positioned in front of the cutting blade (37). The threshing device according to any one of claims 1 to 3, wherein the threshing device is arranged in a position. 前記仕切板(S)から脱穀装置(3)の外部へ向けて後下がり傾斜する排出案内板(F)を設けたことを特徴とする請求項4記載の脱穀装置。   The threshing device according to claim 4, further comprising a discharge guide plate (F) that is inclined downwardly from the partition plate (S) toward the outside of the threshing device (3). 走行装置(2)を備えた機体フレーム(1)の左右一側に前記脱穀装置(3)を搭載し、機体フレーム(1)の左右他側には脱穀後の穀粒を貯留する穀粒貯留装置(4)を搭載し、機体フレーム(1)における前記脱穀装置(3)の直後の部位を切り欠き、前記排稈口(32)から圃場面へ排出される切断後の排藁の落下経路(A)を形成したことを特徴とする請求項1から請求項5のいずれか一項記載の脱穀装置を搭載したコンバイン。 The grain storage which mounts the said threshing device (3) on the left and right side of the machine body frame (1) provided with the traveling device (2) and stores the grain after threshing on the left and right other side of the machine frame (1). Mounted device (4), cut out the part immediately after the threshing device (3) in the machine body frame (1), and the dropping path of the waste after cutting discharged from the waste port (32) to the field scene A combine equipped with the threshing device according to any one of claims 1 to 5, wherein (A) is formed.
JP2011122950A 2011-05-31 2011-05-31 Thresher and combine harvester equipped with the thresher Withdrawn JP2012249551A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112119772A (en) * 2019-06-25 2020-12-25 株式会社久保田 Threshing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112119772A (en) * 2019-06-25 2020-12-25 株式会社久保田 Threshing device

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