JPH0427309Y2 - - Google Patents

Description

【考案の詳細な説明】 産業上の利用分野 本考案は、普通型コンバインにおける選別装置
の改良に関するものである。[Detailed Description of the Invention] Industrial Application Field The present invention relates to an improvement of a sorting device in a conventional combine harvester.

従来の技術及び問題点 普通型コンバインは一般に、扱胴を軸架した扱
室の漏下体下方が選別部となつており、この選別
部内に揺動選別体を配置して、揺動・風選別を行
うようになつていることは自脱型のコンバインと
同様であるが、普通型コンバインは自脱型コンバ
インと異なり、刈取部で刈取つた作物を脱穀部の
扱室内へ全量供給する方式を採用するものである
ため、扱室下方の選別部には穀粒に混じつて多量
の屑が落下し、どうしても選別性能が悪くなると
いう欠点がある。そのため、従来は、選別風路を
前後方向に長く設定してこの欠点をカバーするよ
うにしているものが多い。しかし選別風路を長く
すると勢い機体長も長くなり、必然的に機体が大
型化する等の不都合があつた。Conventional technology and problems In general, in a conventional combine harvester, the lower part of the leakage body of the handling chamber in which the handling barrel is mounted on the shaft serves as a sorting section. This is similar to a self-retracting combine harvester, but unlike a self-retracting combine, a regular combine harvester uses a system that supplies the entire crop harvested in the reaping section to the handling chamber of the threshing section. Therefore, there is a drawback that a large amount of waste mixes with the grains and falls into the sorting section below the handling chamber, which inevitably deteriorates the sorting performance. Therefore, conventionally, in many cases, the selection air path is set to be long in the front-rear direction to overcome this drawback. However, when the selection air path was lengthened, the length of the airframe also became longer, which inevitably led to the inconvenience of increasing the size of the aircraft.

問題点を解決するための手段 そこで本考案は、扱胴を軸架した扱室の漏下体
下方に揺動選別体を設け、扱胴軸の軸方向に選別
風を吹かせるようにした普通型コンバインにおい
て、上記揺動選別体をチヤフシーブと、その下方
に設けた精粒漏下網を有する段付き移送体とによ
り上下２段に形成し、該揺動選別体の始端側に主
唐箕を、終端側上方に吸引フアンを夫々配設して
主唐箕からチヤフシーブの上方を通つて吸引フア
ンに至る選別風路Ａと、主唐箕からチヤフシーブ
と精粒漏下網を有する段付き移送体の間を通り吸
引フアンに至る選別風路Ｂを設け、選別風路Ａの
風力を選別風路Ｂの風力よりも大となるように構
成すると共に、揺動選別体の下方には補助唐箕を
配置して該補助唐箕から精粒漏下網を貫いて吸引
フアンに至る選別風路Ｃを設け、該選別風路Ｃと
上記選別風路Ｂとが精粒漏下網の上方で合流すべ
く構成したことにより、上記問題点を解消しよう
とするものである。As a means to solve the problem, the present invention is a standard type in which a swinging sorter is installed below the leakage body in the handling chamber in which the handling cylinder is mounted on a shaft, and the sorting air is blown in the axial direction of the handling cylinder shaft. In the combine harvester, the above-mentioned oscillating sorting body is formed into two stages, upper and lower, by a chaff sheave and a stepped transfer body having a fine particle leakage net provided below the chaff sheave, and a main winnow is provided on the starting end side of the oscillating sorting body. A sorting air passage A is provided with suction fans above the terminal end, passing above the chaff sheave from the main winnow to the suction fan, and between the main winnow, the chaff sheave, and the stepped transfer body having the fine particle leakage net. A sorting air passage B leading to the air suction fan is provided, and the wind force of the sorting air passage A is configured to be larger than the wind force of the sorting air passage B, and an auxiliary winnow is arranged below the oscillating sorting body. A sorting air path C is provided from the auxiliary winnowing machine to the suction fan through the fine grain leakage net, and the sorting air path C and the sorting air path B are configured to merge above the fine grain leakage net. This is an attempt to solve the above problems.

作 用 主唐箕からチヤフシーブの上方を通つて吸引フ
アンに至る選別風路Ａには強い選別風が流れ、漏
下体からの漏下物がチヤフシーブに落下するまで
に上記選別風により風選されると共に、屑等は事
前に直接吸引フアンを介して速やかに吸引排出さ
れる（一次選別）。また、選別風路Ａの風の一部
は漏下体の網目から扱室内に侵入して扱胴風と合
流し、扱室内で更に風選作用を行う。一方、主唐
箕からチヤフシーブと精粒漏下網を有する段付き
移送体の間を通り吸引フアンに至る選別風路Ｂに
は上記選別風路Ａの選別風よりも弱い選別風が流
れるが、別途設けた補助唐箕からの選別風路Ｃの
選別風と精粒漏下網の上方で合流するため、精粒
漏下網には、程よい選別風が下方から上方に抜け
るため精粒漏下網を有する段付き移送体上に落下
して揺動・風選別作用を受ける穀粒等の二次選別
も上記一次選別により屑等が事前に排出されてい
ることと相まつて一層良好且つ効率的に行われ
る。Function: A strong sorting wind flows in the sorting air passage A from the main winnowing machine to the suction fan passing above the chaff sieve, and by the time leakage from the leakage body falls to the chaff sieve, it is screened by the sorting wind and , debris, etc. are quickly sucked out in advance via a direct suction fan (primary sorting). In addition, a part of the wind in the sorting air passage A enters the handling chamber through the mesh of the leakage body and merges with the handling trunk wind, thereby performing further wind selection in the handling chamber. On the other hand, a sorting air flow weaker than the sorting air in the above-mentioned sorting air passage A flows in the sorting air passage B which passes between the stepped transfer body having the chaff sieve and the fine grain leakage net from the main winnow to the suction fan. The fine grain leakage net is equipped with a fine grain leakage net so that the sorting air from the sorting air path C from the auxiliary winnowing machine and the fine grain leakage net meet above the fine grain leakage net, so that a moderate amount of sorting air passes from below to above. The secondary sorting of grains, etc., which fall onto the stepped transport body and are subjected to the shaking and wind sorting effects, is also carried out better and more efficiently, in combination with the fact that the waste, etc. is discharged in advance by the above-mentioned primary sorting. be exposed.

実施例 第１図は本考案を装備した普通型コンバインの
全体構造図で、デバイダ１で刈取部分と未刈部分
を分け、リール２で刈取対象の作物を引寄せて刈
刃３で茎稈を切断し、搬送体４で刈取茎稈はオー
ガ５まで搬送された後、該オーガ５により機体の
幅方向中央に合流させられ、更に脱粒作用を兼ね
備えた螺旋搬送体６で一部脱穀処理されながら揚
上搬送され、その上端供給口７から扱室８内に茎
稈全体が投入されるようになつていて、これらに
より前処理部イが構成されている。この前処理部
イは走行機体の前方に支点軸９を中心にして上下
回動自在に装着されている。１０はその上下作動
用油圧シリンダである。Embodiment Figure 1 is an overall structural diagram of a conventional combine harvester equipped with the present invention, in which a divider 1 separates the cut portion from an uncut portion, a reel 2 pulls the crop to be harvested, and a cutting blade 3 separates the stem culm. After cutting, the reaped stem culms are conveyed by the conveyor 4 to the auger 5, where they are merged into the center in the width direction of the machine body by the auger 5, and are further partially threshed by the spiral conveyor 6 which also has a threshing function. The whole stem culm is lifted up and conveyed, and the entire stem culm is thrown into the handling chamber 8 from the upper end supply port 7, and these constitute a pretreatment section A. This pre-processing section A is mounted at the front of the traveling machine body so as to be movable up and down about a fulcrum shaft 9. 10 is a hydraulic cylinder for vertical operation.

上記螺旋搬送体６は第３図に示す如く、合成樹
脂等の弾性線材によりブラシ状に形成された螺旋
部６ａと処理棒６ｂからなり、螺旋部６ａは処理
棒６ｂよりも若干長く設定されている。ところで
上記螺旋搬送体６の樋状搬送案内板１１上部は網
状又はスポーク状の漏下体１２になつていて、前
処理部イで脱粒された穀粒又は供給口７からの飛
散穀粒等をこの漏下体１２を通して選別部ハに回
収するようになつている。またブラシ状螺旋部６
ａは樋状案内面１１ａ及び漏下体１２に弾性的に
当接しながら回転し、脱粒物の損傷や残粒の防止
及び漏下体１２の目詰まり防止をも計り得るよう
になつている。尚、上記オーガ５の螺旋部５ａも
弾性線材によりブラシ状に形成されている（第４
図参照）。１３は脱穀部ロの扱室８内に前下がり
傾斜状に軸架された扱胴で、扱胴１３外周面には
螺旋扱歯１３ａと処理歯１３ｂが固着され、扱胴
終端側には、吸引作用を有する吐出羽根１３ｃが
一体に設けられている。１４は脱穀部ロの漏下体
で、この漏下体１４は第６図等に示す如く夫々平
鋼からなる縦桟１５、横桟１６及び内周縁を波形
に形成した弓状仕切板１７を互いに切欠ｆを介し
て格子状に組合せて強固な角目合を構成したもの
であり、その終端部は排稈口１８に臨ませてあ
る。尚、上記弓状仕切板１７は処理歯１３ｂ先端
の回動軌跡内に若干臨ませてあり、目合に屑等の
引っ掛かるのを極力防止すると共に、処理歯１３
ｂと弓状仕切板１７の波形面により、扱室８内の
供給穀稈に対し、分断・しごき・振動作用を与え
効果的な脱粒・処理が行えるようになつている。
第９図は漏下体の実施例で、このものは横桟１６
ａ、弓状仕切板１７ａに棒状縦桟１５ａを挿通し
て円筒籠状の漏下体１４ａを構成したものであ
る。第１０図は漏下体の更に他の実施例を示すも
ので、このものは漏下体１４ｂの終端側を図示の
如く円筒櫛状に構成して長ワラ等が引つ掛かるこ
となく円滑に排稈口１８から排出されるようにす
ると共に、横桟１６ｂの外周縁に周設したギヤ部
ｇに駆動ギヤ１９を噛合せて漏下体１４ｂを扱胴
１３の回転方向と逆方向に回転させることによ
り、穀粒と屑との分離及び漏下作用が助長される
ようになつている。２０はスクリユウ体で、この
スクリユウ体２０は漏下体１４の下方で扱胴１３
の始端側から中途部にかけ漏下体１４に沿い複数
列延設されており、その終端部は揺動選別体２１
上に臨ませてある。ところで、揺動選別体２１
は、チヤフシーブ２１ａと、その下方に適間隔を
存して設けた精粒漏下網２１ｂを有する段付き移
送体２１b′とにより上下２段に形成され、精粒漏
下網２１ｂの前方にはストローラツク２１ｃが配
設されており、これらチヤフシーブ２１ａ、精粒
漏下網２１ｂを有する段付き移送体２１b′、及び
ストローラツク２１ｃは常時前後方向に一体的に
揺動運動するようになつている。そして選物部ハ
内には揺動選別体２１の始端側に位置して主唐箕
２２が、終端側上方側方に位置して吸引フアン２
３が夫々配設されている。２４は一番螺旋、２５
は二番螺旋、２６は二番物を揺動選別体２１上に
揚上還元するための二番物還元スクリユウであ
る。２７は揺動選別体２１の下方で上記一番螺旋
２４と二番螺旋２４間に配設された補助唐箕であ
る。 As shown in FIG. 3, the spiral conveying body 6 consists of a spiral portion 6a formed into a brush shape from an elastic wire material such as synthetic resin, and a processing rod 6b.The spiral portion 6a is set to be slightly longer than the processing rod 6b. There is. By the way, the upper part of the trough-like conveyance guide plate 11 of the spiral conveyor 6 is formed into a net-like or spoke-like leakage body 12, which collects the grains threshed in the pre-processing section A or the scattered grains from the supply port 7. The waste is collected through the leakage body 12 into the sorting section C. Also, the brush-like spiral portion 6
The shaft a rotates while elastically abutting against the gutter-like guide surface 11a and the leakage body 12, thereby preventing damage to the shed particles, prevention of residual grains, and prevention of clogging of the leakage body 12. Incidentally, the spiral portion 5a of the auger 5 is also formed into a brush shape using an elastic wire (the fourth
(see figure). Reference numeral 13 denotes a handling drum which is mounted on a shaft in a forward-sloping manner in the handling chamber 8 of the threshing section (B), and spiral handling teeth 13a and processing teeth 13b are fixed to the outer peripheral surface of the handling cylinder 13, and on the terminal end side of the handling cylinder, A discharge blade 13c having a suction action is integrally provided. Reference numeral 14 denotes a leaking body of the threshing part B, and this leaking body 14 is made by cutting vertical bars 15, horizontal bars 16, and an arcuate partition plate 17, each made of flat steel, into a corrugated inner edge, as shown in FIG. 6, etc. They are combined in a lattice shape through f to form a strong square mesh, and the terminal end faces the discharge culm opening 18. The arcuate partition plate 17 is slightly exposed to the rotation locus of the tip of the treated tooth 13b, and prevents debris from getting caught in the mesh as much as possible.
b and the corrugated surface of the arcuate partition plate 17, the grain culm supplied in the handling chamber 8 is subjected to dividing, squeezing, and vibrating effects, thereby making it possible to perform effective shedding and processing.
FIG. 9 shows an example of the leakage body, and this one is the horizontal bar 16.
a. A rod-shaped vertical crosspiece 15a is inserted through an arcuate partition plate 17a to form a cylindrical cage-shaped leakage body 14a. FIG. 10 shows still another embodiment of the leakage body, in which the terminal end of the leakage body 14b is configured in a cylindrical comb shape as shown in the figure, so that long straw etc. can be smoothly ejected without getting caught. By making the leakage body 14b discharge from the opening 18 and rotating the leakage body 14b in the opposite direction to the rotational direction of the handling barrel 13 by meshing the drive gear 19 with the gear part g provided around the outer peripheral edge of the horizontal bar 16b. , the separation of grain and waste and the leakage effect are promoted. 20 is a screw body, and this screw body 20 is located below the leakage body 14 and
A plurality of rows extend along the leakage body 14 from the starting end to the middle part, and the terminal end is connected to the swinging sorting body 21.
It is placed above. By the way, the oscillating sorter 21
is formed in upper and lower two stages by a chaff sheave 21a and a stepped transfer body 21b' having a fine grain leakage net 21b provided at an appropriate distance below the chaff sheave 21a, and a fine grain leakage net 21b is provided in front of A stroke rack 21c is provided, and the chaff sheave 21a, the stepped transfer body 21b' having the fine particle leakage net 21b, and the stroke rack 21c are designed to constantly swing integrally in the front and back direction. . In the sorting section C, a main winnower 22 is located on the starting end side of the oscillating sorting body 21, and a suction fan 2 is located on the upper side of the terminal end.
3 are arranged respectively. 24 is the most spiral, 25
2 is a second spiral, and 26 is a second material reducing screw for lifting and returning the second material onto the oscillating sorting body 21. Reference numeral 27 is an auxiliary winnow disposed below the swinging sorter 21 between the first spiral 24 and the second spiral 24.

さて、本考案における選別風路は次のように構
成されている。即ち、主唐箕２２から揺動選別体
２１のチヤフシーブ２１ａ上方を通つて吸引フア
ン２３に至る選別風路Ａと、主唐箕２２から揺動
選別体２１のチヤフシーブ２１ａと、精粒漏下網
２１ｂを有する段付き移送体２１b′との間を通り
吸引フアン２３に至る選別風路Ｂと、補助唐箕２
７から一番樋２４ａの下方を通り精粒漏下網２１
ｂを貫いて吸引フアン２３に至る選別風路Ｃとが
設けられており、選別風路Ａの風力は選別風路Ｂ
の風力よりも大となるよう、主唐箕２２の吐出力
の強い部位に選別風路Ａの吐出口ａが、また吐出
力の弱い部位に選別風路Ｂの吐出口ｂが位置する
ように構成されている。また、上記選別風路Ｃと
選別風路Ｂは精粒漏下網２１ｂの上方で合流する
ようになつている。尚、補助唐箕２７からは選別
風路Ｃと反対方向に向いてストローラツク２１ｃ
の下方から上方に抜ける選別風路Ｄが構成されて
いる。図中２８は排出口である。 Now, the sorting air path in the present invention is configured as follows. That is, a sorting air path A from the main winnower 22 passing above the chaff sheave 21a of the swinging sorter 21 to the suction fan 23, a passage A from the main winnower 22 to the chaff sheave 21a of the swinging sorter 21, and a fine particle leakage net 21b. A sorting air path B that passes between the stepped transfer body 21b' and the suction fan 23, and the auxiliary winnow 2.
From 7 to the bottom of the first gutter 24a, the fine particle leakage net 21
A sorting air passage C is provided that passes through b and reaches the suction fan 23, and the wind force in the sorting air passage A is transferred to the sorting air passage B.
The configuration is such that the discharge port a of the sorting air passage A is located at a portion of the main winnowing cabinet 22 where the discharge force is strong, and the discharge port b of the sorting air passage B is located at a portion where the discharge force is weak, so that the wind force is larger than that of the wind force. has been done. Further, the sorting air path C and the sorting air path B are arranged to merge above the fine particle leakage net 21b. Furthermore, from the auxiliary winch 27, there is a stroke rack 21c facing in the opposite direction to the sorting air path C.
A sorting air path D is formed that passes from the bottom to the top. In the figure, 28 is a discharge port.

叙上の如き構成において、扱室８の漏下体１４
から漏下した扱下し物の中、切ワラ、稈切れ等
は、選別風路Ａの風力により粗選別されるが、選
別風路Ａの風力は比較的強いため、上記切ワラ等
の屑は揺動選別体２１のチヤフシーブ２１ａ上に
落下する前に、直接吸引フアン２３に吸引されて
機外に排出される（一次選別）。また、スクリユ
ウ体２０の終端からチヤフシーブ２１ａ上に落下
する前処理脱粒物にも選別風路Ａの風力があてら
れ風選別される。尚、選別風路Ａの風力の一部は
漏下体１４を通つて扱室８内に入つた後、扱胴風
に合流し、扱室８内で更に風選作用を行い、扱胴
終端側に設けられた吐出羽根１３ｃにより吸引排
出される。また精粒漏下網２１ｂを有する段付き
移送体２１b′上に落下した殻粒等比較的重いもの
に対する主唐箕２２からの選別風（選別風路Ｂの
風）は、やや弱い風力となるが、補助唐箕２７の
選別風路Ｃの風力が精粒漏下網２１ｂの下方から
上方へ貫き精粒漏下網２１ｂの上方で前記選別風
路Ｂの風力と合流するので精粒漏下網２１ｂ上に
は程良い選別風が作用することになり、二次選別
も良好に行なわれる。更に、扱胴１３は前下がり
傾斜状に配設されているので、選別風路Ａの上下
幅は後方に行く程広くなり風選別効率は一層良好
に行われる。尚、補助唐箕２７による選別風路Ｄ
も設けられているので、二番選別もより良好とな
り、また補助唐箕２７の吐出口ｃ，ｄの位置関係
により選別風路Ｄの風力は、選別風路Ｃの風力よ
りも大となるので、屑の多い二番選別部での選別
が良好になると共に、一番選別部での穀粒の必要
以上の浮遊による漏下不良と三番飛散の増大が防
止される。 In the configuration as described above, the leakage body 14 of the handling room 8
Cut straw, culm chips, etc. among the unhandled materials leaked from the pipe are roughly sorted by the wind force in the sorting air path A. However, since the wind force in the sorting air path A is relatively strong, the waste such as the cut straw, etc. Before falling onto the chaff sheave 21a of the oscillating sorting body 21, it is directly sucked by the suction fan 23 and discharged outside the machine (primary sorting). Further, the pre-treated granules falling from the terminal end of the screw body 20 onto the chaff sieve 21a are also subjected to the wind force of the sorting air passage A and are air-sorted. A part of the wind power in the sorting air passage A enters the handling chamber 8 through the leakage body 14, joins with the handling drum wind, further performs a wind selection action in the handling chamber 8, and is transferred to the handling drum end side. It is sucked and discharged by the discharge vane 13c provided in the. In addition, the wind from the main winnower 22 (the wind in the sorting air path B) for relatively heavy objects such as shell grains that have fallen onto the stepped transfer body 21b' having the fine grain leakage net 21b is a rather weak wind force. The wind force of the sorting air path C of the auxiliary winnower 27 penetrates from below to the upper part of the fine grain leakage net 21b and merges with the wind force of the sorting air path B above the fine grain leakage net 21b, so that the fine grain leakage net 21b A moderate sorting wind will act on the top, and secondary sorting will also be carried out well. Furthermore, since the handling cylinder 13 is disposed in a downward-sloping manner, the vertical width of the sorting air passage A becomes wider toward the rear, and the efficiency of air sorting is improved. In addition, the selection air path D by the auxiliary chisel 27
is also provided, so the second sorting is also better, and the wind force in the sorting air path D is larger than the wind force in the sorting air path C due to the positional relationship between the discharge ports c and d of the auxiliary winnower 27. Sorting in the second sorting section, where there is a lot of waste, is improved, and leakage defects and third scattering caused by unnecessarily floating grains in the first sorting section are prevented from increasing.

考案の効果 上記したように本考案は、扱胴を軸架した扱室
の漏下体下方に揺動選別体を設け、扱胴軸の軸方
向に選別風を吹かせるようにした普通型コンバイ
ンにおいて、上記揺動選別体をチヤフシーブと、
その下方に設けた精粒漏下網を有する段付き移送
体とにより上下２段に形成し、該揺動選別体の始
端側に主唐箕を、終端側上方に吸引フアンを夫々
配設して主唐箕からチヤフシーブの上方を通つて
吸引フアンに至る選別風路Ａと、主唐箕からチヤ
フシーブと精粒漏下網を有する段付き移送体の間
を通り吸引フアンに至る選別風路Ｂを設け、選別
風路Ａの風力を選別風路Ｂの風力よりも大となる
ように構成すると共に、揺動選別体の下方には補
助唐箕を配置して該補助唐箕から精粒漏下網を貫
いて吸引フアンに至る選別風路Ｃを設け、該選別
風路Ｃと上記選別風路Ｂとが精粒漏下網の上方で
合流すべく構成したから、主唐箕からチヤフシー
ブの上方を通つて吸引フアンに至る選別風路Ａに
は強い選別風が流れ、漏下体からの漏下物がチヤ
フシーブに落下するまでに上記選別風により風選
せれると共に、屑等は事前に直接吸引フアンを介
して速やかに吸引排出されるので一次選別が良好
に行われる。また、選別風路Ａの風の一部は漏下
体の網目から扱室内に侵入して扱胴風と合流し、
扱室内で更に風選作用を行わせることができる。
一方、主唐箕からチヤフシーブと精粒漏下網を有
する段付き移送体との間を通つて吸引フアンに至
る選別風路Ｂには上記選別風路Ａの選別風よりも
弱い選別風が流れるが、別途設けた補助唐箕から
の選別風路Ｃの選別風は精粒漏下網を下方から上
方へ抜けて精粒漏下網上で選別風路Ｂの選別風と
合流し、精粒漏下網上には程良い選別風が作用す
ることになるため、精粒漏下網を有する段付き移
送体上に落下して揺動・風選別作用を受ける殻粒
等の二次選別も、上記一次選別により屑等が事前
に排出されていることと相まつて一層良好且つ効
率的に行なわれるので、本考案は選別部の長さを
極力短く設定し得て機体の小型化を達成できるも
のでありながら、屑処理の大なる高性能な選別装
置を得ることができる。Effects of the Invention As mentioned above, the present invention is applicable to ordinary combine harvesters in which a swinging sorter is provided below the leakage body of the handling chamber in which the handling barrel is mounted on the shaft, and the sorting air is blown in the axial direction of the handling barrel shaft. , the above-mentioned oscillating sorting body is used as a chaff sheave,
A stepped transfer body having a fine particle leakage net provided below is formed into two stages, upper and lower, and a main winnow is disposed at the starting end of the oscillating sorter, and a suction fan is disposed above the terminal end. A sorting air path A is provided from the main winnower to the suction fan passing above the chaff sieve, and a sorting air path B is provided from the main winch to the suction fan passing between the chaff sieve and the stepped transfer body having a fine particle leakage net, The wind force in the sorting air passage A is configured to be larger than the wind force in the sorting air passage B, and an auxiliary winnow is arranged below the oscillating sorter, and the fine grain leakage net is penetrated from the auxiliary winnow. A sorting air passage C leading to the suction fan is provided, and the sorting air passage C and the sorting air passage B are configured so as to meet above the fine grain leakage net. A strong sorting wind flows through the sorting air passage A leading to the leakage body, and the leakage material from the leaking body is swept away by the aforementioned sorting wind before it falls into the chaff sieve, and the debris is quickly removed through a direct suction fan in advance. The primary sorting is carried out well because the waste is suctioned and discharged. In addition, a part of the wind from the sorting air passage A enters the handling chamber through the mesh of the leakage body and merges with the handling trunk wind.
Wind selection can also be carried out within the handling room.
On the other hand, a sorting air that is weaker than the sorting air in the sorting air passage A flows in the sorting air passage B from the main winnowing hole to the suction fan, passing between the chaf sieve and the stepped transfer body having the fine particle leakage net. The sorting air in the sorting air path C from the separately installed auxiliary winnow passes through the fine grain leakage net from below to the top, and merges with the sorting air in the sorting air path B on the fine grain leakage net to prevent fine grain leakage. Since a suitable sorting wind acts on the screen, the secondary sorting of shell grains, etc., which fall onto the stepped conveyor with the fine particle leakage screen and are subjected to the shaking and wind sorting action, is also carried out as described above. Coupled with the fact that the waste is ejected in advance through the primary sorting, the process is better and more efficient, so the present invention allows the length of the sorting section to be set as short as possible, making it possible to downsize the machine. However, it is possible to obtain a high-performance sorting device with great waste disposal.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案を装備した普通型コンバインの
縦断側面図、第２図は螺旋搬送体部分の横断正面
図、第３図は同じく螺旋搬送体の側面図、第４図
はオーガ体の一部切欠正面図、第５図は脱穀部及
び選別部の横断正面図、第６図は漏下体の構造を
示す一部切欠斜視図、第７図は漏下体の縦断正面
図、第８図は漏下体の縦桟及び横桟の構造を示す
斜視図、第９図は漏下体の他の実施例を示す斜視
図、第１０図は漏下体の更に他の実施例を示す斜
視図、第１１図は同上の漏下体を装備した脱穀部
の横断正面図である。 図中、８は扱室、１３は扱胴、１４は漏下体、
２１は揺動選別体、２１ａはチヤフシーブ、２１
ｂは精粒漏下網、２１b′は段付き移送体、２２は
主唐箕、２３は吸引フアン、２７は補助唐箕、
Ａ，Ｂ，Ｃは夫々選別風路。 Fig. 1 is a vertical side view of a conventional combine harvester equipped with the present invention, Fig. 2 is a cross-sectional front view of the helical conveying body, Fig. 3 is a side view of the helical conveying body, and Fig. 4 is a section of the auger body. 5 is a cross-sectional front view of the threshing section and sorting section, FIG. 6 is a partially cut-away perspective view showing the structure of the leakage body, FIG. 7 is a longitudinal sectional front view of the leakage body, and FIG. FIG. 9 is a perspective view showing another embodiment of the leakage body; FIG. 10 is a perspective view showing still another embodiment of the leakage body; FIG. The figure is a cross-sectional front view of the threshing section equipped with the same leakage body. In the figure, 8 is a handling room, 13 is a handling trunk, 14 is a leakage body,
21 is a swinging sorter, 21a is a chaff sheave, 21
b is a fine particle leakage net, 21b' is a stepped transfer body, 22 is a main winch, 23 is a suction fan, 27 is an auxiliary winch,
A, B, and C are screening air paths, respectively.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 扱胴を軸架した扱室の漏下体下方に揺動選別体
を設け、扱胴軸の軸方向に選別風を吹かせるよう
にした普通型コンバインにおいて、上記揺動選別
体をチヤフシーブと、その下方に設けた精粒漏下
網を有する段付き移送体とにより上下２段に形成
し、該揺動選別体の始端側に主唐箕を、終端側上
方に吸引フアンを夫々配設して主唐箕からチヤフ
シーブの上方を通つて吸引フアンに至る選別風路
Ａと、主唐箕からチヤフシーブと精粒漏下網を有
する段付き移送体の間を通り吸引フアンに至る選
別風路Ｂを設け、選別風路Ａの風力を選別風路Ｂ
の風力よりも大となるように構成すると共に、揺
動選別体の下方には補助唐箕を配置して該補助唐
箕から精粒漏下網を貫いて吸引フアンに至る選別
風路Ｃを設け、該選別風路Ｃと上記選別風路Ｂと
が精粒漏下網の上方で合流すべく構成したことを
特徴とする普通型コンバインにおける選別装置。 In a normal type combine harvester, a swinging sorter is installed below the leakage body of a handling room in which the handling barrel is mounted on the shaft, and the sorting air is blown in the axial direction of the handling barrel shaft. The oscillating sorting body is formed into two stages, upper and lower, with a stepped transfer body having a fine particle leakage net provided at the bottom, and a main winnowing machine is disposed on the starting end side of the oscillating sorting body, and a suction fan is disposed above the terminal end side. A sorting air path A is provided from the main winnower to the suction fan, passing above the chaff sieve, and a sorting air path B is provided from the main winnower to the suction fan, passing between the chaf sieve and the stepped transfer body having a fine particle leakage net. Sorting out the wind force in wind path A Wind path B
The wind force is larger than the wind force of A sorting device for an ordinary type combine harvester, characterized in that said sorting air passage C and said sorting air passage B are configured to join above a fine particle leakage net.