JP2014007979A - Reaping blade device - Google Patents

Reaping blade device Download PDF

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JP2014007979A
JP2014007979A JP2012145733A JP2012145733A JP2014007979A JP 2014007979 A JP2014007979 A JP 2014007979A JP 2012145733 A JP2012145733 A JP 2012145733A JP 2012145733 A JP2012145733 A JP 2012145733A JP 2014007979 A JP2014007979 A JP 2014007979A
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Prior art keywords
cutting blade
blade
tip
guide plate
fixed cutting
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Tomoshi Kitagawa
智志 北川
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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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Priority to JP2012145733A priority Critical patent/JP2014007979A/en
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Abstract

PROBLEM TO BE SOLVED: To provide a reaping blade device for improving the durability of a clad blade positioned at the center of a stationary blade.SOLUTION: Right and left movable blades (5) having a number of movable blade elements (4) are placed reciprocally slidably in rightward and leftward opposite directions on the upper face side of a stationary blade (3) having a number of stationary elements (1). A central stationary blade (2) having right and left blade edges inclined with respect to the sliding direction of the movable blades (5) is arranged in the transversely central portion of the stationary blade (3). A tip of the central stationary blade (2) is more protruded forward than a tip of the central stationary blade (2), and a guide plate (10) having an edge of a shape substantially same with that of the right and left blade edges of the central stationary blade (2) is installed on the lower surface side of the central stationary blade (2). Moreover, a tip of the guide plate (10) is more protruded forward than that of the central stationary blade (2).

Description

この発明は、下側の固定刈刃とこの上側に沿って左右に往復摺動する可動刈刃からなるバリカン式の刈刃装置に関する。   The present invention relates to a clipper-type cutting blade device including a lower fixed cutting blade and a movable cutting blade that reciprocally slides left and right along the upper side.

従来、例えば、特許文献１に示されているように、固定刈刃の中央部に通常の刈刃より前方に大きく突設する合わせ刃を備えた構成のバリカン式刈刃装置は一般的に知られている。   2. Description of the Related Art Conventionally, for example, as shown in Patent Document 1, a clipper type cutting blade apparatus having a configuration in which a center blade of a fixed cutting blade is provided with a mating blade that protrudes forward from a normal cutting blade is generally known. It has been.

特開２０１２−２９５９４号公報JP 2012-29594 A

上記構成の合わせ刃では、通常の刈刃より前方に大きく突出しているため、穀稈の株元を切断する前に合わせ刃が先行して左右に押し分けながらガイドすることになるので、これにかかるガイド抵抗が大きくなり、他の刃と比較して早期に磨耗し、刈残しの発生要因となっている。   Since the mating blade of the above configuration protrudes greatly forward than the normal cutting blade, the mating blade leads and guides it while pushing it to the left and right before cutting the stock of the grain straw. The guide resistance becomes large, and wears early compared to other blades, resulting in generation of uncut residue.

この発明は、上記課題を解決すべく次のような技術的手段を講じた。
すなわち、請求項１記載の発明は、多数の固定刃単体（１）を有する固定刈刃（３）の上面側に、多数の可動刃単体（４）を有する左右の可動刈刃（５）を左右相反する方向へ往復摺動自在に載置した刈刃装置であって、前記固定刈刃（３）の左右方向中央部に、可動刈刃（５）の摺動方向に対して傾斜する左右の刃縁を有した中央固定刈刃（２）を配置し、該中央固定刈刃（２）の先端部を固定刃単体（１）の先端部よりも前方に突出させ、該中央固定刈刃（２）の下面側には該中央固定刈刃（２）の左右の刃縁と略同形状の縁部を有するガイドプレート（１０）を設置したことを特徴とする刈刃装置とする。 In order to solve the above problems, the present invention has taken the following technical means.
That is, the invention according to claim 1 is characterized in that the left and right movable cutting blades (5) having a large number of movable blades (4) are provided on the upper surface side of the fixed cutting blade (3) having a large number of fixed blades (1). A cutting blade device mounted so as to be slidable in a reciprocating direction in the opposite direction, wherein the right and left sides are inclined with respect to the sliding direction of the movable cutting blade (5) at the center in the left-right direction of the fixed cutting blade (3). A central fixed cutting blade (2) having a blade edge of the central fixed cutting blade (2) is protruded forward from the distal end portion of the single fixed blade (1). The cutting blade device is characterized in that a guide plate (10) having edges substantially the same shape as the left and right blade edges of the central fixed cutting blade (2) is installed on the lower surface side of (2).

導入される穀稈が中央固定刈刃（２）に達する際に、穀稈の株元を切断する前にガイドプレート（１０）が先行して穀稈を左右に押し分けながら中央固定刈刃（２）の刃縁にガイドするため、中央固定刈刃（２）にかかるガイド抵抗は小さくて済み、合わせ刃の磨耗が低減し、長期に維持し得る。   When the introduced cereal reaches the central fixed cutting blade (2), the guide plate (10) precedes and cuts the cereal to the left and right before cutting the stock of the cereal while the central fixed cutting blade (2 ), The guide resistance applied to the central fixed cutting blade (2) is small, wear of the mating blade is reduced, and it can be maintained for a long time.

請求項２記載の発明は、前記ガイドプレート（１０）の先端部を中央固定刈刃（２）の先端部よりも前方に突出させた請求項１記載の刈刃装置とする。
上記構成によると、ガイドプレート（１０）によって穀稈が左右へ良好に押し分けられ、刈り跡の乱れが少なくなる。 The invention according to claim 2 is the cutting blade device according to claim 1, wherein the tip of the guide plate (10) protrudes forward from the tip of the center fixed cutting blade (2).
According to the above configuration, the cereal grains are favorably pushed right and left by the guide plate (10), and the disturbance of the cut traces is reduced.

請求項３記載の発明は、前記ガイドプレート（１０）の先端部における左右の縁部のなす角度を、中央固定刈刃（２）の先端部における左右の刃縁のなす角度よりも小さく設定した請求項１又は請求項２記載の刈刃装置とする。   According to a third aspect of the present invention, the angle formed by the left and right edges at the tip of the guide plate (10) is set smaller than the angle formed by the left and right edges at the tip of the central fixed cutting blade (2). A cutting blade device according to claim 1 or claim 2 is provided.

上記構成によると、穀稈の分草抵抗をガイドプレート（１０）の先端部で先行して受け、中央固定刈刃（２）の刃縁での切断作用が良好となる。
請求項４記載の発明は、前記ガイドプレート（１０）の先端部に、中央固定刈刃（２）の先端部の前側を覆う分草体（１１）を設けた請求項１又は請求項２又は請求項３記載の刈刃装置とする。 According to the said structure, the weed resistance of a grain syrup is received in front of the front-end | tip part of a guide plate (10), and the cutting effect | action at the blade edge of a center fixed cutting blade (2) becomes favorable.
According to a fourth aspect of the present invention, the weed body (11) that covers the front side of the front end of the central fixed cutting blade (2) is provided at the front end of the guide plate (10). The cutting blade device according to Item 3.

上記構成によると、分草体（１１）が中央固定刈刃（２）の前側を覆うので、この中央固定刈刃（２）上での藁屑や雑草の溜りが少なくなる。
請求項５記載の発明は、前記ガイドプレート（１０）の先端部を上向きに折り曲げて中央固定刈刃（２）の先端部の前側を覆う位置まで延設した請求項１から請求項４のいずれか一項記載の刈刃装置とする。 According to the said structure, since the weed body (11) covers the front side of a center fixed cutting blade (2), the accumulation of the sawdust and weed on this center fixed cutting blade (2) decreases.
According to a fifth aspect of the present invention, any one of the first to fourth aspects, wherein the front end portion of the guide plate (10) is bent upward and extends to a position covering the front side of the front end portion of the central fixed cutting blade (2). The cutting blade device according to claim 1.

上記構成によると、ガイドプレート（１０）の先端部を上向きに折り曲げるだけの簡単な構成で、中央固定刈刃（２）の先端部を覆うことができ、製作コストが低減する。   According to the said structure, the front-end | tip part of a center fixed cutting blade (2) can be covered by the simple structure which only bends the front-end | tip part of a guide plate (10) upward, and manufacturing cost reduces.

請求項１記載の発明によれば、中央固定刈刃（２）の下部にガイドプレート（１０）を設置することで、穀稈の株元を切断する前にこのガイドプレート（１０）が先行して穀稈を左右に押し分けながら中央固定刈刃（２）の刃縁部へガイドするため、この中央固定刈刃（２）にかかるガイド抵抗が小さくなり、中央固定刈刃（２）の磨耗を軽減でき、耐久性を向上させることができる。   According to the first aspect of the present invention, the guide plate (10) is preceded by cutting the stock of the cereal by installing the guide plate (10) below the central fixed cutting blade (2). Since the cedar is guided to the edge of the central fixed cutting blade (2) while pushing the cereals left and right, the guide resistance applied to the central fixed cutting blade (2) is reduced, and the central fixed cutting blade (2) is worn away. It can be reduced and durability can be improved.

請求項２記載の発明によれば、請求項１記載の発明の効果に加えて、ガイドプレート（１０）が中央固定刈刃（２）の先端部より前方に突出しているので、このガイドプレート（１０）によって穀稈を左右に良好に押し分けることができ、刈り跡の乱れを少なくすることができる。   According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the guide plate (10) projects forward from the tip of the central fixed cutting blade (2). According to 10), the cereals can be pushed well to the left and right, and the disturbance of the cut marks can be reduced.

請求項３記載の発明によれば、請求項１又は請求項２記載の発明の効果に加えて、ガイドプレート（１０）の先端部が中央固定刈刃（２）の先端部よりも左右方向に大きくなるので、穀稈の分草抵抗をこのガイドプレート（１０）の先端部で受け、中央固定刈刃（２）の刃縁での穀稈の切断作用が高まる。   According to the invention described in claim 3, in addition to the effect of the invention described in claim 1 or 2, the tip portion of the guide plate (10) is more laterally located than the tip portion of the central fixed cutting blade (2). Since it becomes large, the weed resistance of cereal is received at the tip of this guide plate (10), and the cutting action of cereal at the edge of the central fixed cutting blade (2) is enhanced.

請求項４記載の発明によれば、請求項１又は請求項２又は請求項３記載の発明の効果に加えて、ガイドプレート（１０）の先端ぶに設けた分草体（１１）によって中央固定刈刃（２）の先端部の前側を覆うことで、この分草体（１１）によって中央固定刈刃（２）上での藁屑や雑草の溜りを軽減でき、穀稈の切断性能を維持することができる。   According to the invention of claim 4, in addition to the effect of the invention of claim 1 or claim 2 or claim 3, the central fixed cutting by the weed body (11) provided at the tip of the guide plate (10). By covering the front side of the tip of the blade (2), this weed body (11) can reduce the accumulation of sawdust and weeds on the central fixed cutting blade (2) and maintain the cutting performance of the cereal Can do.

請求項５記載の発明によれば、請求項１から請求項４のいずれか一項記載の発明の効果に加えて、ガイドプレート（１０）の先端部を上向きに折り曲げるだけの簡単な構成で、中央固定刈刃（２）の先端部を覆うことができ、製作コストの低減を図ることができる。   According to the invention described in claim 5, in addition to the effect of the invention described in any one of claims 1 to 4, with a simple configuration that only bends the tip of the guide plate (10) upward, The tip of the center fixed cutting blade (2) can be covered, and the manufacturing cost can be reduced.

バリカン式刈刃装置の要部の平面図Plan view of the main parts of the clipper type cutting blade device 同上要部の平面図Top view of the main part 同上要部の側断面図Side sectional view of the main part 合わせ刃とガイドプレートの関係平面図Plan view of the relationship between the mating blade and guide plate 刈刃装置の要部の分解斜視図The exploded perspective view of the principal part of a cutting blade device 別例刈刃装置の要部の平面図Plan view of the main part of another cutting blade device 同上要部の切断正面図Cut front view of the main part 別例刈刃装置の要部の切断正面図Cutting front view of the main part of another cutting blade device 同上別例要部の切断正面図Cut front view of the main part of another example 別例刈刃装置の要部の平面図Plan view of the main part of another cutting blade device Ａ…図１０のＳ１−Ｓ１断面及び（Ｂ）…図１０のＳ２−Ｓ２断面A: S1-S1 cross section in FIG. 10 and (B): S2-S2 cross section in FIG. 別例刈刃装置の要部の平面図Plan view of the main part of another cutting blade device Ａ…図１２のＳ１−Ｓ１断面及び（Ｂ）…図１２のＳ３−Ｓ３断面A ... S1-S1 cross section of FIG. 12 and (B) ... S3-S3 cross section of FIG. 合わせ刃の平面図Top view of mating blade 別例合わせ刃及び別例ガイドプレートの要部の斜視図The perspective view of the principal part of another example combination blade and another example guide plate 同上要部の側断面図Side sectional view of the main part 同上要部の正面図Front view of the main part 別例刈刃装置の要部の側断面図Side sectional view of essential parts of another cutting blade device 同上別例要部の側断面図Side sectional view of the main part of another example 別例刈刃装置の要部の斜視図The perspective view of the principal part of another example cutting blade apparatus 同上別例要部の斜視図Perspective view of the main part of another example コンバインの側面図Combine side view

この発明の実施例を図面に基づき説明する。
図２２には、本発明の刈刃装置を備えるコンバイン３３を示している。下側に走行装置３７を有する機体フレーム３１の前側に、圃場に植立する穀稈を分草する分草装置と、穀稈を引起す引起装置、引起された穀稈を掻き込んで挟持する掻込装置と、この掻込装置の下側に配置されて穀稈の株元を切断する刈刃装置３０を備えている。機体フレーム３１上には、左側に刈取装置から搬送された穀稈を脱穀する脱穀装置３３を搭載し、右側に脱穀後の穀粒を貯留するグレンタンク３４を搭載している。また、グレンタンク３４の後側には、このグレンタンク３４内から機外へ穀粒を排出するための排出装置３５を有し、グレンタンク３４の前側には、オペレータが搭乗して操作する操縦部３６が配置されている。 An embodiment of the present invention will be described with reference to the drawings.
In FIG. 22, the combine 33 provided with the cutting blade apparatus of this invention is shown. On the front side of the machine body frame 31 having the traveling device 37 on the lower side, a weeding device for weeding cereals to be planted in the field, a pulling device for raising the cereals, and the raised culm are scratched and sandwiched It is provided with a scraping device and a cutting blade device 30 that is arranged below the scraping device and cuts the stock of the cereal. On the machine body frame 31, a threshing device 33 for threshing cereals conveyed from the reaping device is mounted on the left side, and a glen tank 34 for storing grains after threshing is mounted on the right side. Further, on the rear side of the Glen tank 34, there is a discharge device 35 for discharging the grain from the inside of the Glen tank 34 to the outside of the machine, and on the front side of the Glen tank 34, the operator is boarded and operated. A part 36 is arranged.

図１に示す実施例は、このコンバイン等に使用するバリカン式の刈刃装置３０を構成するもので、多数の刃単体（固定刃単体）１を有し、中央部に通常の刃単体より前方に大きく突設すると共に平面視で略三角形状の合わせ刃（中央固定刈刃）２をもつ固定刈刃（下刃）３を左右横方向に沿わせた状態で刈取支持フレーム６に固定し、多数の刃単体（可動刃単体）４を有する左右二組の横長の可動刈刃上刃５を固定刈刃３の上面側に沿わせて左右別々に往復動自在に設け、該可動刈刃上にはこの可動刈刃を固定刃上に押し付ける押え部材７を設けてある。そして、左右の可動刈刃５は、ヘッド側に固定した断面コ字形状の係合部Ｓに対して、クランク軸８の先端に軸支したベアリングＴを嵌合させ、このクランク軸８の回転駆動によって格別に駆動して、左右の可動刈刃が互いに反対方向（左右相反する方向）に往復摺動されるように構成している。   The embodiment shown in FIG. 1 constitutes a clipper-type cutting blade device 30 used for this combine or the like, and has a large number of single blades (single blades) 1 at the front of a normal single blade at the center. A fixed cutting blade (lower blade) 3 having a substantially triangular mating blade (center fixed cutting blade) 2 in a plan view and fixed to the cutting support frame 6 in a state of being aligned in the horizontal direction, Two sets of horizontally long movable cutting blade upper blades 5 having a large number of single blades (movable blades) 4 are provided along the upper surface side of the fixed cutting blade 3 so as to be able to reciprocate separately on the left and right sides. Has a pressing member 7 for pressing the movable cutting blade onto the fixed blade. The left and right movable cutting blades 5 are fitted with a bearing T pivotally supported at the tip of the crankshaft 8 in an engagement portion S having a U-shaped cross section fixed to the head side. It is specially driven by driving so that the left and right movable cutting blades are reciprocally slid in opposite directions (directions opposite to each other).

図２、図３及び図４に示すように、固定刈刃３の中央部に設けられた合わせ刃２の下部には、該合わせ刃と略同形状に形成され、導入された穀稈を左右に押し分けながらガイドするガイドプレート１０を設置している。   As shown in FIGS. 2, 3 and 4, the lower part of the mating blade 2 provided in the central portion of the fixed cutting blade 3 is formed in substantially the same shape as the mating blade, A guide plate 10 for guiding while pushing is installed.

ガイドプレート１０は、この先端部を合わせ刃２の先端部よりも前方に長く延出させた状態に配置し、且つ、ガイドプレート１０の先端部を合わせ刃２の先端部よりも前方に突出させ、且つ、ガイドプレート１０の先端部における左右の縁部のなす角度を、合わせ刃２の先端部における左右の刃縁のなす角度よりも小さく設定して、先端部の左右分草ガイド辺１０Ｌ，１０Ｒが合わせ刃２の先端部より左右横幅方向に大きくなるように設定してある。これにより、ガイドプレートが合わせ刃２より先行して左右両側方に向けて分草ガイドしながら、合わせ刃２の鋸刃部２ａ，２ａまで導くように構成している。なお、合わせ刃２の鋸刃部（刃縁部）２ａ，２ａは、ガイドプレート１０先端部の分草ガイド辺１０Ｌ，１０Ｒ終端部位より後端側からは該ガイドプレート１０より外側にはみ出るようになっている。   The guide plate 10 is disposed in a state in which the tip portion extends longer than the tip portion of the mating blade 2, and the tip portion of the guide plate 10 projects forward from the tip portion of the mating blade 2. And the angle formed by the left and right edges at the tip of the guide plate 10 is set smaller than the angle formed by the left and right edges at the tip of the mating blade 2, and the left and right weed guide sides 10L, 10R is set to be larger in the lateral width direction than the tip of the mating blade 2. Thus, the guide plate is configured to guide the saw blades 2a and 2a of the mating blade 2 while guiding the weeds toward the left and right sides ahead of the mating blade 2. The saw blade portions (blade edge portions) 2a, 2a of the mating blade 2 protrude outward from the guide plate 10 from the rear end side of the weed guide sides 10L, 10R at the front end portion of the guide plate 10. It has become.

また、ガイドプレート１０の先端部には、少なくとも合わせ刃２の先端部の前側を覆うように高く突出する分草体１１を設けている。この分草体１１は、図４例のように、ガイドプレートの先端部を上向きに折り曲げて構成することもできる。これによると、別ものを設置するものと比較して簡単に構成でき、コスト的にも安価に実施できる。   Further, a herbicidal body 11 that protrudes high so as to cover at least the front side of the front end of the mating blade 2 is provided at the front end of the guide plate 10. As shown in the example of FIG. 4, the weed body 11 can also be configured by bending the tip portion of the guide plate upward. According to this, compared with what installs another thing, it can comprise easily and it can implement at low cost also.

次に、図５例について説明すると、固定刈刃３は、左側刈刃３Ｌと右側刈刃３Ｒとに２分割してあり、左右を連結プレート１２でもって連結するように構成している。合わせ刃２の下部に設けるガイドプレート１０は、連結プレート１２でもって連結ボルトを介して共締めするように構成している。   Next, the example of FIG. 5 will be described. The fixed cutting blade 3 is divided into a left cutting blade 3 </ b> L and a right cutting blade 3 </ b> R, and the right and left are connected by the connecting plate 12. The guide plate 10 provided below the mating blade 2 is configured to be fastened together with a connecting plate 12 via a connecting bolt.

図６及び図７例は、ガイドプレート１０と連結プレート１２を一体化した構成例を示し、部品点数の削減化を図っている。
図８例に示すように、ガイドプレート１０の分草ガイド面は、外側から内側下方に向けて傾斜する斜面Ｔｃに構成しておくと、穀稈の分草ガイド抵抗は、ガイドプレートの作用幅の広い面で受けることになるので、稈の乱れ、ガイドプレートの磨耗を軽減することができる。また、図９例のように、ガイドプレート１０の分草ガイド面を丸棒１３で構成しておくと、稈の抵抗を曲面で受けることにより、稈の乱れとガイドプレートの磨耗を軽減することができる。 6 and 7 show a configuration example in which the guide plate 10 and the connecting plate 12 are integrated, and the number of parts is reduced.
As shown in the example of FIG. 8, if the weeding guide surface of the guide plate 10 is configured to have an inclined surface Tc that is inclined from the outside toward the inside and below, the weed guide resistance of the cereal is the working width of the guide plate. Since it will be received on a wide surface, it is possible to reduce wrinkles and guide plate wear. Further, as shown in the example of FIG. 9, if the weed guide surface of the guide plate 10 is configured by the round bar 13, the wrinkle resistance and the wear of the guide plate are reduced by receiving the resistance of the wrinkle by the curved surface. Can do.

図１０及び図１１例について説明すると、合わせ刃２の鋸刃部２ａに対応するガイドプレート１０の分草ガイド面は、その合わせ刃２よりも小さく（図１１（Ａ）のＳ１−Ｓ１断面参照）し、ガイドプレート１０の合わせ刃鋸刃部２ａ部分より先端部は、合わせ刃２と略同形状（図１１（Ｂ）のＳ２−Ｓ２断面参照）に構成している。   10 and FIG. 11 will be described. The weed guide surface of the guide plate 10 corresponding to the saw blade portion 2a of the mating blade 2 is smaller than the mating blade 2 (see the section S1-S1 in FIG. 11A). ) And the tip of the guide blade 10 from the mating blade saw blade portion 2a is formed in substantially the same shape as the mating blade 2 (see the section S2-S2 in FIG. 11B).

また、図１２及び図１３例では、合わせ刃２の鋸刃部２ａに対応するガイドプレート１０の分草ガイド面は、図１０及び図１１例と同様に、合わせ刃２よりも小さく（図１２（Ａ）のＳ１−Ｓ１断面参照）設定するが、合わせ刃の鋸刃部２ａ部分よりもガイドプレート１０の先端部は、合わせ刃２よりも大きく（図１３（Ｂ）のＳ３−Ｓ３断面参照）している。   12 and 13, the weed guide surface of the guide plate 10 corresponding to the saw blade portion 2a of the mating blade 2 is smaller than the mating blade 2 as in the examples of FIGS. 10 and 11 (FIG. 12). (See the S1-S1 cross section in (A)). However, the tip of the guide plate 10 is larger than the mating blade 2 than the saw blade 2a portion of the mating blade (see the S3-S3 cross section in FIG. 13B). )doing.

図１４例に示す合わせ刃２は、鋸刃部２ａよりも先端部２ｂの形状を鋸刃の外周ラインよりもＬ寸法分外側に張り出した構成としている。
図１５例に示すように、合わせ刃２の先端部を切り落して平面視で略台形状に形成し、ガイドプレート１０の先端部上面には、少なくとも合わせ刃２の前側を覆うべく高さ位置にあって平面視略三角形状の分草体１１を突設図１６参照している。また、この分草体１１の高さは、図１８に示すように、可動刈刃（上刃）５の上下高さ範囲内に設定するものであってもよく、更に、分草体１１の上面は、図１９に示すように、可動刈刃５の上面よりも上方に設定するものであってもよい。 The mating blade 2 shown in the example of FIG. 14 has a configuration in which the shape of the tip end portion 2b projects beyond the saw blade portion 2a by an L dimension outside the outer peripheral line of the saw blade.
As shown in the example of FIG. 15, the tip of the mating blade 2 is cut off to form a substantially trapezoidal shape in plan view, and the top surface of the tip of the guide plate 10 is at a height position so as to cover at least the front side of the mating blade 2. Thus, the weeding body 11 having a substantially triangular shape in plan view is provided with reference to FIG. Further, the height of the weed body 11 may be set within a vertical height range of the movable cutting blade (upper blade) 5 as shown in FIG. As shown in FIG. 19, it may be set above the upper surface of the movable cutting blade 5.

なお、ガイドプレート１０の先端部下面を前方昇り傾斜状にカットしておくと図１８、図１９参照、分草性能が向上する。
また、ガイドプレート１０先端部の分草体１１の形状を、図２０に示すような「Ｉ型」或は図２１に示すような「Ｖ型」に構成するものであってもよい。 In addition, if the front-end | tip part lower surface of the guide plate 10 is cut ahead and inclined, the herbicidal performance will improve as shown in FIGS.
Further, the shape of the weeding body 11 at the tip of the guide plate 10 may be configured as “I type” as shown in FIG. 20 or “V type” as shown in FIG.

１ 刃単体（固定刃単体）
２ 合わせ刃（中央固定刈刃）
３ 固定刈刃
４ 刃単体（可動刃単体）
５ 可動刈刃
１０ ガイドプレート
１１ 分草体 1 Blade unit (fixed blade unit)
2 Alignment blade (central fixed cutting blade)
3 Fixed cutting blade 4 Single blade (movable blade)
5 Movable cutting blade 10 Guide plate 11 Weed body

Claims (5)

多数の固定刃単体（１）を有する固定刈刃（３）の上面側に、多数の可動刃単体（４）を有する左右の可動刈刃（５）を左右相反する方向へ往復摺動自在に載置した刈刃装置であって、前記固定刈刃（３）の左右方向中央部に、可動刈刃（５）の摺動方向に対して傾斜する左右の刃縁を有した中央固定刈刃（２）を配置し、該中央固定刈刃（２）の先端部を固定刃単体（１）の先端部よりも前方に突出させ、該中央固定刈刃（２）の下面側には該中央固定刈刃（２）の左右の刃縁と略同形状の縁部を有するガイドプレート（１０）を設置したことを特徴とする刈刃装置。   On the upper surface side of the fixed cutting blade (3) having a large number of fixed blades (1), the left and right movable cutting blades (5) having a large number of movable blades (4) can be slid back and forth in opposite directions. Centered fixed cutting blade having left and right blade edges inclined relative to the sliding direction of the movable cutting blade (5) at the central portion of the fixed cutting blade (3) in the left-right direction. (2) is disposed, the tip of the central fixed cutting blade (2) is projected forward from the tip of the fixed blade unit (1), and the center fixed cutting blade (2) A cutting blade device comprising a guide plate (10) having edges that are substantially the same shape as the left and right blade edges of the fixed cutting blade (2). 前記ガイドプレート（１０）の先端部を中央固定刈刃（２）の先端部よりも前方に突出させた請求項１記載の刈刃装置。   The cutting blade device according to claim 1, wherein the tip of the guide plate (10) protrudes forward from the tip of the central fixed cutting blade (2). 前記ガイドプレート（１０）の先端部における左右の縁部のなす角度を、中央固定刈刃（２）の先端部における左右の刃縁のなす角度よりも小さく設定した請求項１又は請求項２記載の刈刃装置。   The angle formed by the left and right edges at the tip of the guide plate (10) is set smaller than the angle formed by the left and right edges of the center fixed cutting blade (2). Cutting blade device. 前記ガイドプレート（１０）の先端部に、中央固定刈刃（２）の先端部の前側を覆う分草体（１１）を設けた請求項１又は請求項２又は請求項３記載の刈刃装置。   The cutting blade device according to claim 1, 2 or 3, wherein a weed body (11) is provided at a tip portion of the guide plate (10) so as to cover a front side of the tip portion of the central fixed cutting blade (2). 前記ガイドプレート（１０）の先端部を上向きに折り曲げて中央固定刈刃（２）の先端部の前側を覆う位置まで延設した請求項１から請求項４のいずれか一項記載の刈刃装置。   The cutting blade device according to any one of claims 1 to 4, wherein the tip portion of the guide plate (10) is bent upward and extends to a position covering the front side of the tip portion of the central fixed cutting blade (2). .
JP2012145733A 2012-06-28 2012-06-28 Reaping blade device Pending JP2014007979A (en)

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KR20140089491A (en) * 2014-05-23 2014-07-15 엄성만 Reape blade of combine
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WO2023095506A1 (en) * 2021-11-25 2023-06-01 株式会社源平刃物工場 Hair clipper blade and hair clipper-type cutting blade device

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