JP2007116941A - Swing sorting device of thresher - Google Patents

Swing sorting device of thresher Download PDF

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JP2007116941A
JP2007116941A JP2005311354A JP2005311354A JP2007116941A JP 2007116941 A JP2007116941 A JP 2007116941A JP 2005311354 A JP2005311354 A JP 2005311354A JP 2005311354 A JP2005311354 A JP 2005311354A JP 2007116941 A JP2007116941 A JP 2007116941A
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eccentric cam
eccentric
cam body
bearing
bracket
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JP4955979B2 (en
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Osamu Matsuo
理 松尾
Hiroyuki Kondo
博幸 近藤
Takafumi Mitsui
孝文 三井
Isamu Ase
勇 阿瀬
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Kubota Corp
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Kubota Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a swing sorting device which can be eccentrically driven and can simply be processed. <P>SOLUTION: An eccentrically driving mechanism 31 comprises a bracket 19 attached to a shaking sieve case 21, an eccentric cam 17 attached to a linear driving shaft 26 in an eccentric state, and a rolling bearing 23 disposed between the bracket 19 and the eccentric cam 17. A guide surface for guiding the rolling balls of the rolling bearing 23 is disposed on the outer peripheral surface of the eccentric cam 17 to also use the eccentric cam 17 as an inner race of the rolling bearing 23. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、選別用シーブケースを偏芯駆動機構によって揺動駆動すべく構成してある脱穀装置の揺動選別装置に関する。   The present invention relates to an oscillating sorting device for a threshing device configured to oscillate and drive a sorting sheave case by an eccentric drive mechanism.

偏芯駆動機構を構成するのに、選別用シーブケースの後部にブラケットを介して連係される駆動軸を、両端部と中間部とが偏芯する偏芯軸に構成してあり、一端部を脱穀装置の側板より外方に突出させて動力入力用プーリを取付けて動力を取り入れるとともに、中間部を選別用シーブケースの後端部に連結していた（特許文献１参照）。   To configure the eccentric drive mechanism, the drive shaft linked to the rear portion of the sorting sheave case via the bracket is configured as an eccentric shaft in which both end portions and the intermediate portion are eccentric, and one end portion is The threshing device protrudes outward from the side plate and is attached with a power input pulley to take in power, and the intermediate portion is connected to the rear end portion of the screening sheave case (see Patent Document 1).

特開２００４−１５９５９５号公報（段落番号〔００１７〕、及び、図２、図４）Japanese Patent Laying-Open No. 2004-159595 (paragraph number [0017] and FIGS. 2 and 4)

駆動軸を偏芯軸に形成する必要があるところから、丸棒材を切削加工、研削加工等するという一般的な加工形態だけでは対応できず、複雑な加工形態とともに多くの加工工程を必要とする虞があった。
また、偏芯軸を採用したために、駆動軸の中間部にベアリングを装着する為に、そのベアリングを前記駆動軸の軸端から偏芯部を通過させる必要があり、その為に、前記した特許文献１の図５に示すように、駆動軸径よりも大きな内径を有するベアリングを必要としていた。そして、大きな内径のベアリングを偏芯軸の中間部に装着する為に、中間部に他の部分より大径部を形成するといった、構造に工夫を必要とし、このことも加工工程の複雑さを招来する一因となる虞があった。 Since it is necessary to form the drive shaft as an eccentric shaft, it is not possible to cope with only general processing forms such as cutting and grinding of round bars, and many processing steps are required along with complicated processing forms. There was a fear.
In addition, since the eccentric shaft is adopted, in order to mount the bearing on the middle portion of the drive shaft, it is necessary to pass the bearing from the shaft end of the drive shaft through the eccentric portion. As shown in FIG. 5 of Document 1, a bearing having an inner diameter larger than the drive shaft diameter is required. And in order to mount a bearing with a large inner diameter on the middle part of the eccentric shaft, it is necessary to devise a structure such as forming a larger diameter part in the middle part than other parts, which also reduces the complexity of the machining process. There was a risk of being invited.

本発明の目的は、脱穀装置の揺動選別装置において、偏芯駆動を可能にしながらも加工工程を簡素化できるものを提供する点にある。   An object of the present invention is to provide a swing sorting device for a threshing device that can simplify the machining process while allowing eccentric driving.

〔構成〕
請求項１に係る発明の特徴構成は、前記偏芯駆動機構を、前記選別用シーブケースに取り付けたブラケットと、直線状の駆動軸に偏芯した状態で取り付けたカム体と、前記ブラケットと前記偏芯カム体との間に介在されるベアリング機構とで構成してある点にあり、その作用効果は次の通りである。 〔Constitution〕
According to a first aspect of the present invention, the eccentric drive mechanism includes a bracket attached to the sorting sheave case, a cam body attached in an eccentric state to a linear drive shaft, the bracket, This is because it is constituted by a bearing mechanism interposed between the eccentric cam body and the operation and effects thereof are as follows.

〔作用〕
つまり、偏芯カム体を導入することによって、駆動軸を直線状のものにできる。このことによって、丸棒材を使用して切削加工、研削加工等という一般的な加工形態を採用するだけで対応できることとなった。
そして、駆動軸を直線状のものにできたので、偏芯カム体の内径を駆動軸の外径より大きくする必要がなく、かつ、駆動軸にも大径のボス部を設ける必要はない。 [Action]
That is, the drive shaft can be made linear by introducing the eccentric cam body. As a result, it has become possible to respond by simply adopting general processing forms such as cutting and grinding using a round bar.
Since the drive shaft is linear, it is not necessary to make the inner diameter of the eccentric cam body larger than the outer diameter of the drive shaft, and it is not necessary to provide a large-diameter boss on the drive shaft.

〔効果〕
このことによって、製作難度を抑え、製作工程の簡素化が達成でき、製作コスト面でも有利に展開できる揺動選別装置を提供できるに至った。 〔effect〕
As a result, it has become possible to provide a swing sorting device that can suppress the difficulty of manufacturing, simplify the manufacturing process, and can be advantageously deployed in terms of manufacturing cost.

請求項２に係る発明の特徴構成は、請求項１に係る発明において、前記ベアリング機構をコロガリベアリングで構成し、前記偏芯カム体の外周面に前記コロガリベアリングのコロガリ体を案内する案内面を設けて、前記カム体を前記ベアリング機構のインナーレースに兼用してある点にあり、その作用効果は次の通りである。   According to a second aspect of the present invention, in the first aspect of the present invention, the bearing mechanism is constituted by a roller bearing, and a guide surface for guiding the roller body of the roller bearing on the outer peripheral surface of the eccentric cam body is provided. The cam body is also used as the inner race of the bearing mechanism, and the function and effect thereof are as follows.

〔作用効果〕
つまり、インナーレースを偏芯カム体に兼用したので、ベアリング機構としての構造の簡素化を図ることができる。 [Function and effect]
That is, since the inner race is also used as the eccentric cam body, the structure as the bearing mechanism can be simplified.

請求項３に係る発明の特徴構成は、請求項１に係る発明において、前記ベアリング機構を、アウターレース、コロガリ体、及び、インナーレースで構成するとともに、前記インナーレースを前記偏芯カム体の外周面に嵌合してある点にあり、その作用効果は次の通りである。   According to a third aspect of the present invention, in the first aspect of the present invention, the bearing mechanism is composed of an outer race, a roller body, and an inner race, and the inner race is an outer periphery of the eccentric cam body. The function and effect are as follows.

〔作用効果〕
ベアリング機構としては、偏芯カム体にベアリング機構のインナーレースを兼用化させてはいないので、偏芯カム体の外周面に、インナーレースに相当する強度を確保する必要性は少ない。 [Function and effect]
As the bearing mechanism, since the eccentric cam body does not serve as the inner race of the bearing mechanism, there is little need to ensure the strength corresponding to the inner race on the outer peripheral surface of the eccentric cam body.

請求項４に係る発明の特徴構成は、請求項１〜３の内のいずれか一つに係る発明において、前記ブラケットが前記ベアリング機構を挾持して支持する二部材で構成され、一方が選別用シーブケースに対して着脱自在に構成されている点にあり、その作用効果は次の通りである。   According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the bracket is configured by two members that support and support the bearing mechanism, one of which is for sorting. The operation and effect are as follows.

〔作用効果〕
偏芯カム体とベアリング機構とを支持するブラケットが二部材で一方のブラケット部材が選別用シーブケースに対して着脱自在であるために、直線状駆動軸等の他の機器との連係を考慮することなく、単独でブラケットの取付け取り外しを行うことができ、メインテナンス作業時等において解体・組立て作業を容易に行えることとなる。 [Function and effect]
Since there are two brackets that support the eccentric cam body and the bearing mechanism and one bracket member is detachable from the sorting sheave case, consideration is given to linkage with other devices such as a linear drive shaft. Therefore, the bracket can be attached and detached independently, and disassembly and assembly work can be easily performed during maintenance work.

図１に示すように、脱穀装置１の横外側に駆動自在に位置する無端回動式の脱穀フィードチェーン２によって刈取り穀稈の株元側を脱穀装置１の後方に向けて挟持搬送してその刈取り穀稈の穂先側を脱穀機体内の扱室Ａに供給して回動する扱胴３によって脱穀処理し、脱穀排ワラを扱室Ａの後端部に位置する送塵口４から搬出するように脱穀部を構成してある。扱室Ａの受網５、及び前記送塵口４から落下した脱穀処理物を、扱室Ａの下方に位置する駆動揺動自在な揺動選別装置２０と、この揺動選別装置２０の前端部の下方に位置する唐箕１０から脱穀装置後方向きに供給される選別風とによって穀粒と塵埃に選別し、穀粒を揺動選別装置２０の下方に落下させ、塵埃を扱室Ａの後方に位置する排塵ファン１３の排出口や、脱穀装置１の後部に位置する排塵口１４から選別風と共に機体外に排出するように選別部Ｂを構成してある。選別部Ｂから落下した１番穀粒を、揺動選別装置２０の下方の唐箕１０の後方近くに位置する１番スクリューコンベヤ１１によって脱穀装置１の横外側に搬出するように構成してある。選別部Ｂから落下した２番穀粒を、揺動選別装置２０の後端部の下方に位置する２番スクリューコンベヤ１２によって脱穀装置１の横外側に搬送し、脱穀装置１の横外側で揚送装置１５によって揚送して、この揚送装置１５の吐出口から脱穀装置１の内部に放出して揺動選別装置２０の始端側に還元するように構成して回収部Ｃを構成し、もって、コンバイン用の脱穀装置１を構成してある。   As shown in FIG. 1, the end of the threshing device 1 is nipped and conveyed toward the rear of the threshing device 1 by the endless turning type threshing feed chain 2 that is movably positioned on the lateral outer side. The tip side of the harvested cereal is supplied to the handling chamber A in the threshing machine body and threshed by the rotating barrel 3, and the threshing drainer is carried out from the dust feed port 4 located at the rear end of the handling chamber A. Thus, the threshing part is configured. The swing sorting device 20 that is driven and swingable is positioned below the handling chamber A for the threshing processing product dropped from the receiving net 5 of the handling chamber A and the dust feed port 4, and the front end of the swing sorting device 20. The grain is separated into grains and dust by the sorting wind supplied to the rear of the threshing device from the tang 10 located below the section, the grain is dropped below the swinging sorting device 20, and the dust is placed behind the handling chamber A. The sorting section B is configured so as to be discharged out of the machine body together with the sorting wind from the discharge port of the dust discharge fan 13 located at the rear and the dust discharge port 14 located at the rear of the threshing device 1. The first grain dropped from the sorting unit B is carried out to the lateral outer side of the threshing apparatus 1 by the first screw conveyor 11 located near the rear of the tang 10 below the swing sorting apparatus 20. The 2nd grain dropped from the sorting unit B is conveyed to the lateral outside of the threshing device 1 by the 2nd screw conveyor 12 located below the rear end of the swing sorting device 20, and lifted on the lateral outside of the threshing device 1. It is pumped up by the feeding device 15 and is discharged from the outlet of the feeding device 15 into the threshing device 1 and is returned to the starting end side of the swing sorting device 20 to constitute the recovery unit C. Therefore, the threshing apparatus 1 for combine is comprised.

図１に示すように、前記揺動選別装置２０は、選別用シーブケース２１、この選別用シーブケース２１の内部に揺動選別装置２０の前後及び上下方向に並べて装着したグレンパン６、チャフシーブ７、ストローラック８、グレンシーブ９を備えて構成してある。選別用シーブケース２１の前端側を、揺動リンク２６を介して脱穀装置１に前後移動自在に支持させ、選別用シーブケース２１の後端側を、偏芯駆動機構３１を備えた揺動選別装置駆動装置３０を介して脱穀装置１に支持させてある。
これにより、揺動選別装置２０は、前記揺動選別装置駆動装置３０によって脱穀装置１の前後方向に揺動するように駆動され、扱室Ａからの脱穀処理物をグレンパン６、チャフシーブ７などの各選別体によって脱穀機体後方向きに搬送しながら穀粒と、ワラ屑などの塵埃とに選別処理し、穀粒を１番スクリューコンベヤ１１や２番スクリューコンベヤ１２に落下させ、塵埃を排塵口１４に送出するとか選別風によって搬出させる。 As shown in FIG. 1, the swing sorting device 20 includes a sorting sheave case 21, a Glen pan 6, a chaff sheave 7 mounted in the sorting sheave case 21 side by side in the front-rear and vertical directions of the swing sorting device 20, A Strollac 8 and a Glen sieve 9 are provided. A front end side of the sorting sheave case 21 is supported by the threshing device 1 via the swing link 26 so as to be movable back and forth, and a rear end side of the sorting sheave case 21 is provided with an eccentric drive mechanism 31. It is supported by the threshing device 1 via the device driving device 30.
Thereby, the rocking sorter 20 is driven by the rocking sorter driving device 30 so as to rock in the front-rear direction of the threshing device 1, and the threshing processed product from the handling chamber A is transferred to the grain pan 6, the chaff sheave 7, and the like. Each sorter separates the grain and dust such as straw scraps while being transported rearward of the threshing machine, and drops the grain onto the No. 1 screw conveyor 11 and No. 2 screw conveyor 12 to remove the dust. 14 or carry out by sorting wind.

揺動選別装置駆動装置３０について説明する。図１及び図２に示すように、揺動選別装置駆動装置３０は、脱穀装置１の左右両側板１Ａ、１Ａに亘って架設される直線状駆動軸１６とその直線状駆動軸１６に取付られる偏芯カム体１７とからなる偏芯駆動機構３１とを備え、かつ、前記直線状駆動軸１６を一方の側板１Ａより外方に突出させてその突出端に取り付けた駆動プーリ１８と、前記偏芯カム体１７の回転駆動を選別用シーブケース２１に伝達すべくその選別用シーブケース２１から垂下されているブラケット１９とを備えて構成されている。駆動プーリ１８には、唐箕１０の軸、一番物スクリューコンベア１１の軸、二番物スクリューコンベア１２の軸に亘って掛け渡されているベルト（図示せず）を介して動力伝達されている。   The swing sorting device driving device 30 will be described. As shown in FIG. 1 and FIG. 2, the swing sorting device drive device 30 is attached to the linear drive shaft 16 and the linear drive shaft 16 that are laid across the left and right side plates 1 </ b> A, 1 </ b> A of the threshing device 1. A drive pulley 18 provided with an eccentric drive mechanism 31 comprising an eccentric cam body 17, the linear drive shaft 16 projecting outward from one side plate 1A, and attached to the projecting end; In order to transmit the rotational drive of the core cam body 17 to the sorting sheave case 21, a bracket 19 suspended from the sorting sheave case 21 is provided. Power is transmitted to the drive pulley 18 via a belt (not shown) that spans across the shaft of the carp 10, the shaft of the first screw conveyor 11, and the shaft of the second screw conveyor 12. .

偏芯駆動機構３１について詳述する。図２〜４に示すように、直線状駆動軸１６を両側板１Ａ、１Ａにおいてベアリング２２，２２で回転自在に支持するとともに、両側板１Ａ、１Ａの内側に円形状の偏芯カム体１７を遊嵌してある。偏芯カム体１７は、円形状のものであり、半径中心位置より偏芯した位置に、直線状駆動軸１６を挿通させる挿通孔１７Ａを形成してある。偏芯カム体１７の外周面にはベアリング機構２３のコロガリ用玉２３Ａを転動案内する案内溝２３ａを形成してある。
このように、偏芯カム体１７の外周面に案内溝２３ａを構成することによって、この偏芯カム体１７をベアリング機構２３としてのコロガリベアリングのインナーレースに兼用している。 The eccentric drive mechanism 31 will be described in detail. As shown in FIGS. 2 to 4, the linear drive shaft 16 is rotatably supported by bearings 22 and 22 on both side plates 1A and 1A, and a circular eccentric cam body 17 is provided inside both side plates 1A and 1A. It is loosely fitted. The eccentric cam body 17 is circular, and an insertion hole 17A through which the linear drive shaft 16 is inserted is formed at a position eccentric from the center position of the radius. On the outer peripheral surface of the eccentric cam body 17, a guide groove 23a for rolling and guiding the roller ball 23A of the bearing mechanism 23 is formed.
Thus, by forming the guide groove 23 a on the outer peripheral surface of the eccentric cam body 17, the eccentric cam body 17 is also used as an inner race of a roller bearing as the bearing mechanism 23.

コロガリ用玉２３Ａの外側にはコロガリベアリングを構成するアウターレース２３Ｂを配置してあり、偏芯カム体１７の回転作動を案内する構成を採っている。図３及び図５に示すように、アウターレース２３Ｂの外周面には、二条の環状溝２３ｂ、２３ｂが円周方向に沿って凹設してある。二条の環状溝２３ｂ、２３ｂの間に選別用シーブケース２１から垂下された板状のブラケット１９を受け止めるべく受止面２３ｃを形成し、その板状ブラケット１９を挟み込むように二条の環状溝２３ｂ、２３ｂに軸用止め輪２４，２４を夫々嵌め込み、ベアリング機構２３をブラケット１９に取付るように構成してある。   An outer race 23 </ b> B constituting a roller bearing is arranged outside the roller ball 23 </ b> A, and a configuration for guiding the rotation operation of the eccentric cam body 17 is adopted. As shown in FIGS. 3 and 5, two annular grooves 23b and 23b are recessed along the circumferential direction on the outer peripheral surface of the outer race 23B. A receiving surface 23c is formed between the two annular grooves 23b, 23b to receive the plate-like bracket 19 suspended from the sorting sheave case 21, and the two annular grooves 23b, so as to sandwich the plate-like bracket 19 therebetween. The shaft retaining rings 24, 24 are fitted in 23 b and the bearing mechanism 23 is attached to the bracket 19.

ブラケット１９の構造について説明する。図３及び図４に示すように、ブラケット１９は上側ブラケット部１９Ａとベアリング機構２３に下方から当てがわれる下側ブラケット部１９Ｂとからなる。上側ブラケット部１９Ａは、選別用シーブケース２１の横側面にボルト止めされるように３箇所にボルト挿通孔１９ａが形成されるとともに、ベアリング機構２３の受止面２３ｃに当接する下向き面に円弧凹入状の載置面１９ｂが形成されている。下側ブラケット１９Ｂは、選別用シーブケース２１の底面にボルトで着脱自在に構成すべくアングル状に折り曲げたフランジ部１９ｃが形成されてあるとともに、ベアリング機構２３の外周面に形成した受止面２３ｃに宛がわれる円弧凹入面１９ｄが形成されている。   The structure of the bracket 19 will be described. As shown in FIGS. 3 and 4, the bracket 19 includes an upper bracket portion 19 </ b> A and a lower bracket portion 19 </ b> B applied to the bearing mechanism 23 from below. The upper bracket portion 19A has bolt insertion holes 19a formed at three locations so as to be bolted to the lateral side surface of the sorting sheave case 21, and has an arcuate concave shape on the downward surface that abuts the receiving surface 23c of the bearing mechanism 23. A receiving surface 19b is formed. The lower bracket 19B is formed with a flange portion 19c bent at an angle so as to be detachable with a bolt on the bottom surface of the sorting sheave case 21, and a receiving surface 23c formed on the outer peripheral surface of the bearing mechanism 23. An arc concave surface 19d that is directed to is formed.

図４に示すように、下側ブラケット部１９Ｂの円弧凹入面１９ｄはベアリング機構２３のアウターレース２３Ｂの下半分に相当する部分に当接しており、上側ブラケット部１９Ａの円弧凹入状の載置面１９ｂは、アウターレース２３Ｂの上半部に相当する部分に当接しており、偏芯駆動機構３１と選別用シーブケース２１と両ブラケット部１９Ａ、１９Ｂで連結し、両ブラケット部１９Ａ、１９Ｂを介して偏芯駆動機構３１で選別用シーブケース２１を駆動すべく構成してある。   As shown in FIG. 4, the arc recessed surface 19 d of the lower bracket portion 19 </ b> B is in contact with a portion corresponding to the lower half of the outer race 23 </ b> B of the bearing mechanism 23. The mounting surface 19b is in contact with a portion corresponding to the upper half of the outer race 23B, and is connected by the eccentric drive mechanism 31, the sorting sheave case 21, and the bracket portions 19A and 19B, and the bracket portions 19A and 19B. The sorting sheave case 21 is configured to be driven by the eccentric drive mechanism 31.

バランスウエイト機構２５について説明する。図２及び図３に示すように、直線状駆動軸１６で左右ベアリング機構２３，２３の装着部位より内側に板状のアーム２５Ａ、２５Ａを固着し、アーム２５Ａ、２５Ａの先端部同士に亘って直線状駆動軸１６に平行に、角棒状のバランスウエイト体２５Ｂを架設してある。板状のアーム２５Ａ、２５Ａをバランスウエイト体２５Ｂに対して直線状駆動軸１６を挟んで反対側に延出し、その延出する部分と偏芯カム体１７に形成したボルト挿通用孔１７Ｂとに亘ってボルトを挿通し、偏芯カム体１７とアーム２５Ａとを連結して、バランスウエイト機構２５と偏芯カム体１７とを一体で回動すべく構成してある。   The balance weight mechanism 25 will be described. As shown in FIGS. 2 and 3, plate-like arms 25A and 25A are fixed to the inside of the mounting portions of the left and right bearing mechanisms 23 and 23 with the linear drive shaft 16, and the ends of the arms 25A and 25A are extended to each other. A square bar-shaped balance weight body 25 </ b> B is installed in parallel to the linear drive shaft 16. The plate-like arms 25A and 25A are extended to the opposite side of the balance weight body 25B with the linear drive shaft 16 in between, and the extended portion and the bolt insertion hole 17B formed in the eccentric cam body 17 A bolt is inserted through the shaft, the eccentric cam body 17 and the arm 25A are connected, and the balance weight mechanism 25 and the eccentric cam body 17 are integrally rotated.

以上のように、直線状駆動軸１６と、バランスウエイト機構２５を支持している板状アーム２５Ａ、２５Ａとを固着するとともに、このアーム２５Ａと偏芯カム体１７とをボルト連結することによって、直線状駆動軸１６でアーム２５Ａを介して偏芯カム体１７を回転駆動できるようになっている。そして、直線状駆動軸１６より一方に延出したアーム２５Ａを偏芯カム体１７の回転中心より偏芯した部分にボルトで取り付け固定するとともに、前記アーム２５Ａの偏芯カム体１７を取り付けた一方の端部に対して直線状駆動軸１６を基準に１８０°反対側にアーム２５Ａの反対側の端部を延出して、その延出端にバランスウエイト機構２５を取付けているので、直線状駆動軸１６を挟んで偏芯カム体１７の偏芯部分とバランスウエイト機構２５とが１８０°対角位置に位置して偏芯荷重を解消する構成を取っている。   As described above, by fixing the linear drive shaft 16 and the plate-like arms 25A and 25A supporting the balance weight mechanism 25, the arm 25A and the eccentric cam body 17 are connected by bolts. The eccentric cam body 17 can be rotationally driven by the linear drive shaft 16 via the arm 25A. The arm 25A extending from the linear drive shaft 16 to one side is attached and fixed to a portion eccentric from the rotation center of the eccentric cam body 17 with a bolt, and the eccentric cam body 17 of the arm 25A is attached. Since the end on the opposite side of the arm 25A extends 180 ° opposite to the end of the linear drive shaft 16 and the balance weight mechanism 25 is attached to the extended end, the linear drive The eccentric portion of the eccentric cam body 17 and the balance weight mechanism 25 are positioned at diagonal positions of 180 ° across the shaft 16 to eliminate the eccentric load.

偏芯カム体１７の回転によって、その偏芯カム体１７に取り付けられている二つのブラケット部１９Ａ、１９Ｂを介して選別用シーブケース２１の後部側が偏芯駆動されることによって、選別用シーブケース２１は前部側の揺動リンク２６の支点を中心に楕円状の軌跡を描きながら前後揺動するのである。選別用シーブケース２１においては、楕円状の前後揺動によって選別物を後方側に送りながら、比重差選別を行うのである。   As the eccentric cam body 17 rotates, the rear side of the sorting sheave case 21 is eccentrically driven via the two bracket portions 19A and 19B attached to the eccentric cam body 17, thereby the sorting sheave case. 21 swings back and forth while drawing an elliptical locus around the fulcrum of the swing link 26 on the front side. In the sorting sheave case 21, the specific gravity difference sorting is performed while feeding the sorting object to the rear side by the elliptical swinging back and forth.

次に、直線状駆動軸１６の脱穀側板１Ａ，1Ａでの取付構造について説明する。図２に示すように、前記したようにベアリング２２を介して直線状駆動軸１６を脱穀側板１Ａで支持することとなる。
一方、前記した偏芯カム体１７及びバランスウエイト２５Ｂとを一体的に装着した直線状駆動軸１６を脱穀装置１の内部空間に搬入できるように、図示してはいないが、脱穀側板１Ａに挿入孔を形成してある。 Next, the attachment structure of the threshing side plates 1A and 1A of the linear drive shaft 16 will be described. As shown in FIG. 2, the linear drive shaft 16 is supported by the threshing side plate 1A via the bearing 22 as described above.
On the other hand, the linear drive shaft 16 integrally mounted with the eccentric cam body 17 and the balance weight 25B is inserted into the threshing side plate 1A (not shown) so that it can be carried into the internal space of the threshing device 1. A hole is formed.

図２に示すように、脱穀側板１Ａの外側に前記挿入孔を塞ぐ蓋部材２７をボルト止めするとともに、その蓋部材２７の外側にさらにベアリング２２のベアリングホルダー２８を設けてある。べアリングホルダー２８は図示してはいなが、ビス等を使用して蓋部材２７にベアリング２２を保持した後に取付固定できるようにする。蓋部材２７にはベアリング２２のアウターレースを受け止めるだけの貫通孔２７ａが形成してあり、ベアリングホルダー２８に保持されているベアリング２２が脱穀装置１の内部空間内に抜け出すことを阻止する構成を採っている。   As shown in FIG. 2, a lid member 27 that closes the insertion hole is bolted to the outside of the threshing side plate 1 </ b> A, and a bearing holder 28 for the bearing 22 is further provided outside the lid member 27. Although the bearing holder 28 is not shown, the bearing 22 can be attached and fixed after the bearing 22 is held on the lid member 27 by using a screw or the like. The lid member 27 is formed with a through hole 27a that receives only the outer race of the bearing 22 and prevents the bearing 22 held by the bearing holder 28 from slipping out into the internal space of the threshing apparatus 1. ing.

一方、反対側の脱穀側板１Ａにおいても、次に示すような直線状駆動軸１６の支持構造が形成されている。図２に示すように、脱穀側板１Ａに貫通孔を形成するとともに、その貫通孔から突出することとなるベアリングホルダー部２９Ａを膨出させた蓋体２９をボルトで脱穀側板１Ａに装着する。そして、更に、蓋体２９の内側に、ベアリング２２の抜け出しを阻止する受止板３２を配置し、この受止板３２も蓋体２９とともにボルトで脱穀側板１Ａに取付固定する。   On the other hand, also on the opposite threshing side plate 1A, a support structure for the linear drive shaft 16 as shown below is formed. As shown in FIG. 2, a through hole is formed in the threshing side plate 1 </ b> A, and a lid 29 bulging a bearing holder portion 29 </ b> A that protrudes from the through hole is attached to the threshing side plate 1 </ b> A with a bolt. Further, a receiving plate 32 that prevents the bearing 22 from slipping out is arranged inside the lid 29, and this receiving plate 32 is also attached and fixed to the threshing side plate 1 </ b> A together with the lid 29 by a bolt.

ここで、脱穀側板１Ａに形成した貫通孔としては、ベアリングホルダー部２９Ａを突出させるだけの大きさに形成されてはいるが、前記した偏芯カム体１７及びバランスウエイト２５Ｂとを一体的に装着した直線状駆動軸１６を脱穀装置１の内部空間に搬入できる大きさに形成してもよい。   Here, the through-hole formed in the threshing side plate 1A is formed to have a size that allows the bearing holder 29A to protrude, but the eccentric cam body 17 and the balance weight 25B are integrally mounted. The linear drive shaft 16 may be formed in a size that can be carried into the internal space of the threshing apparatus 1.

〔別実施形態〕
（１） 上記実施形態としては、偏芯カム体１７の外周部をインナーレースに兼用する構成を示したが、通常のベアリングのように、アウターレース２３Ｂ、コロガリ玉２３Ａ、インナーレースを備えたものを、偏芯カム体１７に外嵌する構成を採ってもよい。
（２） コロガリベアリングとしては、コロガリ体としてコロガリ用コロを使用したものであってもよい。
（３） バランスウエイト機構２５を構成するに、直線状駆動軸２６とバランスウエイト２５Ｂを吊り下げ支持している板状のアーム２５Ａとを溶接で一体化しているが、板状のアーム２５Ａを直線状駆動軸２６にボルトで着脱自在に構成することとしてもよい。
そうすると、前記したように、脱穀側板１Ａに板状のアーム２５Ａを直線状駆動軸２６と板状のアーム２５Ａ、及び、バランスウエイト２５Ｂとを一体化した大きな面積を占めるものを脱穀側板１Ａより取り出すために大きな径の挿通孔を形成する必要はなく、直線状駆動軸２６を取入取出するための小さな径の挿通孔を設けるだけでよい。
（４） ブラケット１９としては、上側、及び、下側のブラケット部１９Ａ，１９Ｂのいずれについても選別用シーブケース２１に対して着脱自在に構成してあるが、一方だけを取り外すことが可能なように構成してもよい。 [Another embodiment]
(1) In the above embodiment, the configuration in which the outer peripheral portion of the eccentric cam body 17 is also used as the inner race has been shown. However, like an ordinary bearing, the outer race 23B, the roller ball 23A, and the inner race are provided. Alternatively, a configuration may be adopted in which the cam is externally fitted to the eccentric cam body 17.
(2) The roller bearing may be one that uses a roller for roller contact as a roller body.
(3) The balance weight mechanism 25 is configured by welding the linear drive shaft 26 and the plate-like arm 25A supporting the balance weight 25B by means of welding. The drive shaft 26 may be configured to be detachable with bolts.
Then, as described above, the plate-like arm 25A is taken out of the threshing side plate 1A and the one that occupies a large area integrating the linear drive shaft 26, the plate-like arm 25A, and the balance weight 25B is taken out from the threshing side plate 1A. Therefore, it is not necessary to form an insertion hole with a large diameter, and it is only necessary to provide an insertion hole with a small diameter for taking in and taking out the linear drive shaft 26.
(4) As the bracket 19, both the upper and lower bracket portions 19 </ b> A and 19 </ b> B are configured to be detachable from the sorting sheave case 21, but only one of them can be removed. You may comprise.

脱穀装置の縦断側面図Longitudinal side view of threshing device 偏芯駆動機構とバランスウエイト機構とを示す縦断背面図Longitudinal rear view showing eccentric drive mechanism and balance weight mechanism 偏芯カム体をブラケットに取り付ける前の状態を示す分解斜視図An exploded perspective view showing a state before the eccentric cam body is attached to the bracket 偏芯カム体をブラケットに取り付け、ブラケットをシーブケースに取り付けた状態を示す側面図Side view showing the state where the eccentric cam body is attached to the bracket and the bracket is attached to the sheave case 偏芯カム体にベアリング機構を外嵌した状態を示す縦断正面図Longitudinal front view showing a state in which the bearing mechanism is externally fitted to the eccentric cam body

符号の説明Explanation of symbols

１６ 直線状駆動軸
１７ 偏芯カム体
１９ ブラケット
１９Ａ、１９Ｂ ブラケットを構成する二部材
２１ 選別用シーブケース
２３ ベアリング機構
２３Ａ コロガリ体
２３Ｂ アウターレース
２３ａ 案内面
３１ 偏芯駆動機構 16 Linear drive shaft 17 Eccentric cam body 19 Bracket 19A, 19B Two members constituting the bracket 21 Selection sheave case 23 Bearing mechanism 23A Collaged body 23B Outer race 23a Guide surface 31 Eccentric drive mechanism

Claims (4)

選別用シーブケースを偏芯駆動機構によって揺動駆動すべく構成してある脱穀装置の揺動選別装置であって、
前記偏芯駆動機構を、前記選別用シーブケースに取り付けたブラケットと、直線状の駆動軸に偏芯した状態で取り付けた偏芯カム体と、前記ブラケットと前記偏芯カム体との間に介在されるベアリング機構とで構成してある脱穀装置の揺動選別装置。 An oscillating sorting device for a threshing device configured to oscillate and drive a sorting sheave case by an eccentric drive mechanism,
The eccentric drive mechanism is interposed between the bracket attached to the sorting sheave case, the eccentric cam body attached in an eccentric state to the linear drive shaft, and the bracket and the eccentric cam body. The threshing device swing sorting device comprising a bearing mechanism to be operated. 前記ベアリング機構をコロガリベアリングで構成し、前記偏芯カム体の外周面に前記コロガリベアリングのコロガリ体を案内する案内面を設けて、前記偏芯カム体を前記ベアリング機構のインナーレースに兼用してある請求項１記載の脱穀装置の揺動選別装置。   The bearing mechanism is configured by a roller bearing, and a guide surface for guiding the roller body of the roller bearing is provided on the outer peripheral surface of the eccentric cam body, and the eccentric cam body is also used as an inner race of the bearing mechanism. The swing sorting device for a threshing device according to claim 1. 前記ベアリング機構を、アウターレース、コロガリ体、及び、インナーレースで構成するとともに、前記インナーレースを前記偏芯カム体の外周面に嵌合してある請求項１記載の脱穀装置の揺動選別装置。   2. The apparatus according to claim 1, wherein the bearing mechanism is composed of an outer race, a roller body, and an inner race, and the inner race is fitted to an outer peripheral surface of the eccentric cam body. . 前記ブラケットが前記ベアリング機構を挾持して支持する二部材で構成され、一方が選別用シーブケースに対して着脱自在に構成されている請求項１から３のうちのいずれか一つに記載の脱穀装置の揺動選別装置。   The threshing as described in any one of Claim 1 to 3 with which the said bracket is comprised by the two members which hold and support the said bearing mechanism, and one is comprised so that attachment or detachment is possible with respect to the screening sheave case. Oscillator sorting device.
JP2005311354A 2005-10-26 2005-10-26 Oscillating sorting device for threshing device Expired - Fee Related JP4955979B2 (en)

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JP2016036262A (en) * 2014-08-05 2016-03-22 株式会社クボタ Combine-harvester
CN104221620A (en) * 2014-09-02 2014-12-24 江苏大学 Multi-tangential-flow combined rape threshing, separation and stalk crushing integral device
CN108200811A (en) * 2016-12-20 2018-06-26 株式会社久保田 Straw treating device and apparatus for cutting of straws
JP2018000199A (en) * 2017-09-08 2018-01-11 株式会社クボタ Thresher

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