JP3796170B2

JP3796170B2 - Mounting devices such as striped rollers

Info

Publication number: JP3796170B2
Application number: JP2001376084A
Authority: JP
Inventors: 英寿永井
Original assignee: 株式会社スズテック
Priority date: 2001-12-10
Filing date: 2001-12-10
Publication date: 2006-07-12
Anticipated expiration: 2021-12-10
Also published as: JP2003169508A

Description

【０００１】
【産業上の利用分野】
本発明は、鎮圧ローラー、回転ブラシ、条付ローラー等の取付装置に係るものである。
【０００２】
【従来技術】
従来公知の、特開平９−２０５８３２号公報には、育苗箱を移送しうる移送台に前記育苗箱に対応する一定高さに保持され、前記育苗箱の前後壁の移動に対応して上下動する駆動回転の回転ブラシ又は条付ローラー又は鎮圧ローラー等において、前記条付ローラー等はその回転中心軸の左右両端を高さ調節自在で一定高さに保持され、牽引バネにより常時下降するように付勢されている左右一対の取付板に回転のみ自在に軸装し、回転中心軸と取付板は共に移送台に並設固定した左右一対の支持板の縦のガイド孔に上下動自在に軸装した構成について記載されている。
【０００３】
【発明が解決しようとする課題】
前記公知例は、縦のガイド孔に略垂直方向に上下動自在に軸装しているため、支持板の前後幅を狭くでき、取付装置全体を小型化しているが、条付ローラーの上下に際して各部に複雑な力が掛かって、作動が円滑でないことがあるという課題がある。
また、縦に上下する回転中心軸に回転を伝達する機構も複雑で、部品点数が多いという課題もある。
そこで、取付板を支持板に取付ける構成を工夫すると、作動が一層円滑となるだけでなく、回転伝達機構も簡単になる。
【０００４】
【発明の目的】
回転ブラシ、条付ローラー、鎮圧ローラー等の上下移動の円滑化および確実化、部品点数の削減、低コスト化。
【０００５】
【課題を解決するための手段】
本発明は、育苗箱２を移送しうる移送台１に前記育苗箱２の高さに対応した一定高さに保持され、前記育苗箱２の前後壁の移動に対応して上下動する駆動回転の回転ブラシ又は条付ローラー１０又は鎮圧ローラー１２において、前記条付ローラー１０等はその回転中心軸１５の左右両端を左右一対の取付板１６に回転のみ自在に軸装し、該取付板１６は、取付兼受動軸３７により、前記移送台１に並設固定した左右一対の支持板２７に対して高さ調節自在で一定高さに保持されると共に牽引バネ２０により常時下降するように付勢されて上下回動自在に取付け、前記取付兼受動軸３７は前記移送台１より所定高さ上方に位置させ、前記支持板２７には前記回転中心軸１５が上下の際移動する前記取付兼受動軸３７を中心とする円弧形状のガイド孔３８を設け、前記取付兼受動軸３７は待機高さの前記条付ローラー１０等の回転中心軸１５と略同じ高さに設けた条付ローラー等の取付装置としたものである。
本発明は、前記回転中心軸１５に固定の受動歯車４１に、前記取付兼受動軸３７に設けた中間歯車４０を噛み合わせ、前記取付兼受動軸３７に移送台１の回転を伝達するようにした条付ローラー等の取付装置としたものである。
本発明は、前記取付兼受動軸３７には別途プーリ４２を固定し、該プーリ４２には前記移送台１の出力軸４３のプーリ４４に掛け回したベルト４５を掛け回した条付ローラー等の取付装置としたものである。
本発明は、前記左右の支持板２７には左右方向の補強フレーム４７を設け、該補強フレーム４７には、前記条付ローラー１０側に係合して該条付ローラー１０を退避高さ位置に保持するフック部５０を有する退避切替体４８を設け、該退避切替体４８は条付ローラー１０を退避高さより僅かに上動させると、前記フック部５０が自重で離脱するように構成した条付ローラー等の取付装置としたものである。
【０００６】
【実施例】
本発明の一実施例を図面により説明すると、１は育苗箱２の移送台であり、所望位置に設けた支脚（図示省略）により床上に載置される。移送台１には複数の移送ロール４を所定間隔を置いて設け、移送台１の始端部上方位置には後述する種子供給装置６を設ける。
前記育苗箱２に対する播種作業は、移送中の育苗箱２に床土供給装置により上方から床土を供給し、この床土を回転ブラシにより均平し、均平した床土上面に条付ローラー１０により条溝１１を形成し、条溝１１内に種子供給装置６により種子を供給し、次に鎮圧ローラー１２により鎮圧して行なう（潅水装置による潅水や覆土供給装置による覆土の供給は省略）。
そのため、回転ブラシおよび条付ローラー１０および鎮圧ローラー１２は、育苗箱２がそれぞれの下方を通過するときに、育苗箱２の前壁および後壁を乗越える必要があって乗越えるたびに上下すること、また、育苗箱２は高さ（深さ）の相違する種々のものがあることから、回転ブラシおよび条付ローラー１０および鎮圧ローラー１２等の取付機構は、駆動回転可能、高さ調節および垂直上下動自在で下方に押圧しうるように構成する。
【０００７】
鎮圧ローラー１２等の取付は略同一構成であるが、そのうち、前記条付ローラー１０について説明すると、条付ローラー１０は床土の上面に前後方向の条播用の条溝１１を形成するもので大径部１３と小径部１４とを交互に形成し、その中心には条付ローラー１０の側面より左右両側に突出する左右方向の回転中心軸１５を設ける。回転中心軸１５の左右両端は左右一対の取付板１６に回転のみ自在に軸装する。
取付板１６は略垂直の平板部を有し、育苗箱２の移送方向と平行に位置させ、取付板１６の前端は内側に屈曲させて前部内側屈曲部１７を形成し、前部内側屈曲部１７の上縁には前側に屈曲する前側上部屈曲部１８を形成する。前側上部屈曲部１８には押圧力調節ネジ１９を螺合させ、押圧力調節ネジ１９の下端部には下端を前記移送台１側に係止した牽引バネ２０の上端を取付け、押圧力調節ネジ１９および牽引バネ２０により押圧機構を構成している。
前記左右の取付板１６の後側には内側に屈曲させた後部内側屈曲部２２を設け、後部内側屈曲部２２には左右方向の連結体２３の両端を１個の段付ボルト２４により夫々回動自在に取付け、左右の取付板１６を連結する。
【０００８】
即ち、条付ローラー１０と左右の取付板１６と連結体２３とは、互いに固定されてフレーム構成となり、これらを一体的に上下させるが、左右の取付板１６と連結体２３とを完全に固定すると、左右の一側が持ち上がったとき、後述する左右一対の支持板２７間に挟まって下動しなくなるので、これを防止したものである。連結体２３の上部には前記条付ローラー１０の溝部に臨む土除去ブラシ２８を取付ける。図５は、展開状態を図示したものであり、土除去ブラシ２８が条付ローラー１０の直上位置に図示されているが、これに限定されない。
回転中心軸１５より前側の取付板１６には内側に突き出す取付部３０を設け、取付部３０には図示は省略するがネジ孔（ナット）を設け、該ネジ孔に縦軸回転の高さ調節棒３１の下部側に形成したネジ部を螺合させる。高さ調節棒３１のネジ部の上側には係合片３２を設け、係合片３２と取付部３０との間の高さ調節棒３１の外周にはバネ（図示省略）を設けて緩みによる高さ調節棒３１の回転を防止する。３４は高さ調節棒３１の上部に設けたツマミである。
【０００９】
しかして、回転中心軸１５より後側の取付板１６には左右方向の取付兼受動軸３７を回転のみ自在に軸装し、取付兼受動軸３７は移送台１に左右一対並設固定した前記支持板２７に軸装する。支持板２７の前記取付兼受動軸３７の前側には取付兼受動軸３７を中心とする円弧形状のガイド孔３８を設け、該ガイド孔３８に条付ローラー１０の回転中心軸１５の両端を上下回動自在に挿通する。
したがって、取付板１６がアームの作用を奏して回転中心軸１５（条付ローラー１０）は取付兼受動軸３７中心に上下回動する。
前記取付兼受動軸３７には中間歯車４０を設け、中間歯車４０には回転中心軸１５に固定の受動歯車４１を噛み合わせる。
この場合、回転中心軸１５と取付兼受動軸３７の軸間距離は条付ローラー１０が取付兼受動軸３７を中心に円弧状に上下回動しても変わらないので、条付ローラー１０の上下回動の際受動歯車４１は中間歯車４０の歯と噛み合ったまま移動して、条付ローラー１０の上下に干渉しない。
【００１０】
しかして、前記取付兼受動軸３７にはプーリ４２を固定し、プーリ４２と前記移送台１の出力軸４３のプーリ４４との間にベルト４５を掛け回す。
したがって、移送台１の出力軸４３に対して取付兼受動軸３７は位置不動となり、取付兼受動軸３７に対して回転中心軸１５は回動して条付ローラー１０を上下させ、取付兼受動軸３７と回転中心軸１５の間には中間歯車４０と受動歯車４１を噛み合わせているので、条付ローラー１０の上下は回転伝達に影響せず、合理的な構成となる。
この場合、回転中心軸１５（条付ローラー１０）は取付兼受動軸３７に対して円弧移動する回動により上下するが、周知のような移送台１に設けた出力軸４３中心に回動させるのではなく、移送台１より所定間隔上方に設けている取付兼受動軸３７中心なので、回転中心軸１５（条付ローラー１０）と取付兼受動軸３７との間の距離が短くても、充分条付ローラー１０の上下幅を確保する。
【００１１】
また、前記中間歯車４０と受動歯車４１は、夫々回転中心軸１５と取付兼受動軸３７の一端に設ければよいが、回転中心軸１５と取付兼受動軸３７の夫々の両端に設けると、回転伝達が確実になって、好適である。
しかして、前記取付兼受動軸３７と前記移送台１の出力軸４３との間の回転伝達は、ベルト４５により行うことで、特別な工具を用いることなく簡単にベルト４５を着脱でき、組立てが容易になるが、ベルト４５を外すと、移送台１の出力軸４３からの回転が伝達されず、ベルト４５は回転伝達を入り切りするクラッチの作用も奏し、合理的な兼用構成となる。
４６は支持板２７に取付けるカバーである。
しかして、左右の支持板２７には左右方向の補強フレーム４７を設ける。補強フレーム４７は丸軸棒により形成し、補強フレーム４７には条付ローラー１０を前記育苗箱２に衝突しない退避高さ位置に保持する退避切替体４８を設ける。退避切替体４８は円形部４９を補強フレーム４７に挿通し、退避切替体４８の下方にフック部５０を設け、フック部５０は連結体２３側に係合させて条付ローラー１０を退避高さ位置に保持し、条付ローラー１０を僅かに上動させると、フック部５０の自重で回動して取付兼受動軸３７より離脱するように構成する。
５１は円形部４９に設けた操作つまみ５１である。なお、操作つまみ５１は図３において理解を容易にするため説明の都合上上方に突き出させて図示しているが、操作つまみ５１はフック部５０が自重で回動して退避する構成を疎外しないように設ける。また、図６において操作つまみ５１は連結体２３に係合していないが、展開状態を図示したものであり、操作つまみ５１は係合状態に図示されている。
【００１２】
図中、５２は高さ調節用の目印、５３は種子供給装置６の種籾供給ホッパー、５４は種籾供給ホッパー５３の斜め下方に設けた左右方向の横軸繰出ロール、５５は横軸繰出ロール５４の直上位置に設けた軸心方向が該横軸繰出ロール５４と並行の均平兼芒付籾除去ブラシ、５６は横軸繰出ロール５４の外周面の一部に設けた横条溝５７に嵌合した種籾を上方位置から下方位置まで誘導する種籾誘導装置、５８は繰出ロール５４の下方にある籾ガイド、５９は平行リンクである。
しかして、前記種子供給装置６の移送方向下手側には鎮圧ローラー１２を設ける。鎮圧ローラー１２は前記条付ローラー１０と同一構造により移送台１に取付けられるが、鎮圧ローラー１２には、土除去ブラシ２８に変えてスクレーパー６０を当接させている。
【００１３】
【作用】
次に作用を述べる。
移送台１の始端部に育苗箱２を供給すると、移送ロール４により移送され、床土供給装置により床土の供給を受け、供給された床土は回転ブラシにより均平され、均平された床土上面には条付ローラー１０により育苗箱２移送方向と平行な前後方向の条播用の条溝１１が形成され、横軸繰出ロール５４の横条溝に嵌合して共回りした種籾がガイドの分割落下口により分割された状態で落下して条播され、床土は種子と一緒に条溝を形成する山部を崩すように鎮圧ローラー１２により鎮圧され、その後潅水装置により潅水を受け、覆土供給装置により覆土の供給を受け、覆土供給装置の前側の回転ブラシにより育苗箱２の側壁上に落下した覆土が掃かれて播種作業が終了する。
この場合、条付ローラー１０および鎮圧ローラー１２は、全て育苗箱２の前壁を乗り越えて作用し、後壁を乗り越えて後続の育苗箱に作用するので、上下するが、この上下動作を条付ローラー１０の例にて説明すると、回転中心軸１５より後側の取付板１６には左右方向の取付兼受動軸３７を回転のみ自在に軸装し、取付兼受動軸３７は移送台１に左右一対並設固定した支持板２７に軸装しているから、取付板１６は支持板２７に対して取付兼受動軸３７中心に上下回動自在となる。
【００１４】
そして、取付兼受動軸３７の前側の支持板２７には取付兼受動軸３７を中心とする円弧形状のガイド孔３８を設け、該ガイド孔３８に条付ローラー１０の回転中心軸１５の両端を上下回動自在に挿通しているから、条付ローラー１０に育苗箱２の前壁が当接すると、前壁により条付ローラー１０は押し上げられ、取付板１６がアームの作用を奏して回転中心軸１５（条付ローラー１０）は取付板１６と共に取付兼受動軸３７中心に上方回動する。
次ぎに、条付ローラー１０の下方を育苗箱２の前壁が通過すると、牽引バネ２０の作用で取付板１６が取付兼受動軸３７中心に下方回動し、条付ローラー１０は下降して育苗箱２内の床土上に条溝１１を形成する。
この場合、回転中心軸１５は移送台１より所定間隔上方に設けた取付兼受動軸３７中心に上下回動するから、回転中心軸１５と取付兼受動軸３７との間の距離が短くても、育苗箱２の壁を乗り越えて条付け可能だけでなく、高さの相違する育苗箱２への条付けに対しても充分上下幅を確保する。
【００１５】
即ち、周知の条付ローラー１０は、移送台１に設けた出力軸４３中心にアームを回動させる構成のため、回動中心と回転中心軸１５との間隔を相当に長くしなくてはならないが、本願では、回動中心である取付兼受動軸３７を出力軸４３より上方に設けているから、その分回転中心軸１５と取付兼受動軸３７との間の距離が短くても、育苗箱２の壁を乗り越える。
この場合、取付兼受動軸３７は条付け状態の回転中心軸１５と略同じ位置に設けると、この位置が回転中心軸１５の最下方位置となって上方に退避する高さを確保すればよく、一層、回転中心軸１５と取付兼受動軸３７との間の距離を短くできて好適である。
しかして、回転中心軸１５の端部には受動歯車４１を固定し、受動歯車４１には取付兼受動軸３７に固定の中間歯車４０を噛み合わせているから、回転中心軸１５と取付兼受動軸３７の軸間距離は条付ローラー１０が取付兼受動軸３７を中心に円弧状に上下回動しても変わらないので、条付ローラー１０の上下回動の際受動歯車４１は中間歯車４０の歯と噛み合ったまま移動して、条付ローラー１０の上下に干渉しない。
【００１６】
したがって、取付兼受動軸３７に移送台１の回転を伝達すると、取付兼受動軸３７は移送台１に対して位置不動なので、条付ローラー１０は育苗箱２の前壁により押し上げられて下降する間ずっと駆動回転を継続し、条付ローラー１０の下方を育苗箱２の前壁が通過すると直ちに下降して育苗箱２内の床土上に条溝１１を形成する。
それゆえ、取付兼受動軸３７は移送台１の出力軸４３に対して位置不動であるから、取付兼受動軸３７にプーリ４２を固定し、プーリ４２と前記移送台１の出力軸４３のプーリ４４との間にベルト４５を掛け回して、回転伝達機構を構成でき、簡単且つ安価にできる。
しかして、条付ローラー１０および鎮圧ローラー１２は回転中心軸１５を左右の取付板１６にそれぞれ軸装し、取付板１６は取付兼受動軸３７により支持板２７に上下回動自在に軸装し、取付板１６には牽引バネ２０を取付け、また、取付板１６には高さ調節棒３１を螺合させているから、高さ調節棒３１を回転させると、高さ調節棒３１の下端が移送台１の上面に当接することで高さ調節棒３１に対して取付板１６が取付兼受動軸３７中心に上下回動し、条付ローラー１０および鎮圧ローラー１２の高さ位置を育苗箱２に対応させて待機高さに調節し、保持する。また、押圧力調節ネジ１９を回転させると、押圧力調節ネジ１９は取付板１６に対して上下するので、牽引バネ２０の下方に牽引する力を調節する。
【００１７】
しかして、左右の支持板２７には左右方向の補強フレーム４７を設け、補強フレーム４７には条付ローラー１０および鎮圧ローラー１２を育苗箱２に衝突しない退避高さ位置に保持する退避切替体４８を設けており、退避切替体４８は円形部４９を補強フレーム４７に挿通し、退避切替体４８の下方にフック部５０を設けているから、フック部５０を連結体２３側に係合させると、条付ローラー１０および鎮圧ローラー１２を退避高さ位置に保持する。
この場合、退避切替体４８は自重で常時フック部５０が下方に位置するようにしているから、条付ローラー１０および鎮圧ローラー１２を退避状態から僅かに上方回動させて、連結体２３の下縁がフック部５０の先端より上方に位置すると、フック部５０は自重で下方に移動して取付兼受動軸３７より離脱し、次ぎに、条付ローラー１０および鎮圧ローラー１２より手を離すと、条付ローラー１０および鎮圧ローラー１２は高さ調節棒３１により所定待機位置に保持される。
【００１８】
しかして、種子供給装置６の繰出ロール５４の下方にある籾ガイド５８を、平行リンク５９とともに外し、種子供給装置６全体を下降させて散播用位置にし、条付ローラー１０および鎮圧ローラー１２を上動させ、退避切替体４８に係合させて退避させ、この状態で移送台１の始端部に育苗箱２を供給すると、床土供給装置により床土の供給を受け、供給された床土は回転ブラシにより均平され、均平された床土上に横軸繰出ロール５４の横条溝５７に嵌合して横軸繰出ロール５４により共回りした種籾がそのまま落下して散播され、その後潅水装置により潅水を受け、覆土供給装置により覆土の供給を受け、覆土供給装置の前側の回転ブラシにより育苗箱２の側壁上に落下した覆土が掃かれて播種作業が終了する。
【００１９】
【効果】
本発明は、育苗箱２を移送しうる移送台１に前記育苗箱２の高さに対応した一定高さに保持され、前記育苗箱２の前後壁の移動に対応して上下動する駆動回転の回転ブラシ又は条付ローラー１０又は鎮圧ローラー１２において、前記条付ローラー１０等はその回転中心軸１５の左右両端を左右一対の取付板１６に回転のみ自在に軸装し、該取付板１６は、取付兼受動軸３７により、前記移送台１に並設固定した左右一対の支持板２７に対して高さ調節自在で一定高さに保持されると共に牽引バネ２０により常時下降するように付勢されて上下回動自在に取付け、前記取付兼受動軸３７は前記移送台１より所定高さ上方に位置させ、前記支持板２７には前記回転中心軸１５が上下の際移動する前記取付兼受動軸３７を中心とする円弧形状のガイド孔３８を設け、前記取付兼受動軸３７は待機高さの前記条付ローラー１０等の回転中心軸１５と略同じ高さに設けた条付ローラー等の取付装置としたものであるから、取付兼受動軸３７が出力軸４３より上方にあるので、回転中心軸１５と取付兼受動軸３７との間の距離を短くして支持板２７の前後幅を狭くでき、取付装置全体を小型化でき、また、回動移動なので作動が円滑となり、また、取付兼受動軸３７は待機高さの前記条付ローラー１０等の回転中心軸１５と略同じ高さに設けているので、一層、回転中心軸１５と取付兼受動軸３７との間の距離を短くして小型化できる。
本発明は、前記回転中心軸１５に固定の受動歯車４１に、前記取付兼受動軸３７に設けた中間歯車４０を噛み合わせ、前記取付兼受動軸３７に移送台１の回転を伝達するようにした条付ローラー等の取付装置としたものであるから、回転伝達機構を簡素にし、部品点数を減少させ、コストを低くできる。
本発明は、前記取付兼受動軸３７には別途プーリ４２を固定し、該プーリ４２には前記移送台１の出力軸４３のプーリ４４に掛け回したベルト４５を掛け回した条付ローラー等の取付装置としたものであるから、移送台１に対して位置不動の取付兼受動軸３７に移送台１の出力軸４３の回転を簡単に伝達でき、部品点数を減少させ、コストを低くできる。
本発明は、前記左右の支持板２７には左右方向の補強フレーム４７を設け、該補強フレーム４７には、前記条付ローラー１０側に係合して該条付ローラー１０を退避高さ位置に保持するフック部５０を有する退避切替体４８を設け、該退避切替体４８は条付ローラー１０を退避高さより僅かに上動させると、前記フック部５０が自重で離脱するように構成した条付ローラー等の取付装置としたものであるから、条付ローラー１０等の不使用時の退避構成を簡素にしてコストを低くでき、また、自重で離脱するので、操作性を向上させる。
【図面の簡単な説明】
【図１】種子供給装置と条付ローラー等の配置関係を説明する側面図。
【図２】条付ローラー等の取付装置の側面図。
【図３】同拡大図。
【図４】条付ローラーの取付装置の平面図。
【図５】同一部背面図。
【図６】同平面図。
【図７】条付ローラーを退避させた側面図。
【符号の説明】
１…移送台、２…育苗箱、３…支脚、４…移送ロール、５…床土供給装置、６…種子供給装置、１０…条付ローラー、１１…条溝、１２…鎮圧ローラー、１３…大径部、１４…小径部、１５…回転中心軸、１６…取付板、１７…前部内側屈曲部、１８…前側上部屈曲部、１９…押圧力調節ネジ、２０…牽引バネ、２２…後部内側屈曲部、２３…連結体、２４…段付ボルト、２７…支持板、２８…土除去ブラシ、３０…取付部、３１…高さ調節棒、３２…係合片、３３…バネ、ツマミ３４…ツマミ、３７…取付兼受動軸、３８…ガイド孔、４０…中間歯車、４１…受動歯車、４２…プーリ、４３…出力軸、４４…プーリ、４５…ベルト、４６…カバー、４７…補強フレーム、４８…退避切替体、４９…円形部、５０…フック部、５２…高さ調節用の目印、５３…種籾供給ホッパー、５４…繰出ロール、５７…条溝、５５…回転ブラシ、５６…種籾誘導装置、５８…籾ガイド、５９…平行リンク、６０…スクレーパー。[0001]
[Industrial application fields]
The present invention relates to a mounting device such as a pressure-reducing roller, a rotating brush, and a roller with a strip.
[0002]
[Prior art]
Japanese Patent Laid-Open No. 9-205832, which is known in the prior art, is held on a transfer stand that can transfer a seedling box at a certain height corresponding to the seedling box, and moves up and down in response to the movement of the front and rear walls of the seedling box. In the rotating brush, the strip roller or the pressure roller, etc., the drive roller rotates so that the right and left ends of the rotation center axis can be adjusted at a constant height and is always lowered by the traction spring. A pair of biased left and right mounting plates are rotatably mounted, and both the rotation center shaft and the mounting plate are vertically movable in the vertical guide holes of a pair of left and right support plates that are fixed in parallel on the transfer table. It describes the mounted configuration.
[0003]
[Problems to be solved by the invention]
In the above known example, the vertical guide hole is mounted so as to be movable up and down in a substantially vertical direction, so that the front and rear width of the support plate can be narrowed, and the entire mounting device is downsized. There is a problem that a complicated force is applied to each part and the operation may not be smooth.
Further, the mechanism for transmitting the rotation to the vertical rotation center axis is complicated, and there is a problem that the number of parts is large.
Therefore, if the structure for attaching the attachment plate to the support plate is devised, not only the operation becomes smoother, but also the rotation transmission mechanism becomes simple.
[0004]
OBJECT OF THE INVENTION
Smooth and reliable vertical movement of rotating brushes, strip rollers, pressure rollers, etc., reduction in the number of parts, and cost reduction.
[0005]
[Means for Solving the Problems]
The present invention is a drive rotation which is held at a fixed height corresponding to the height of the seedling box 2 on the transfer stand 1 capable of transferring the seedling box 2 and moves up and down in response to the movement of the front and rear walls of the seedling box 2. In the rotating brush or the rolling roller 10 or the pressure roller 12, the rolling roller 10 and the like are rotatably mounted on a pair of left and right mounting plates 16 at both left and right ends of the rotation center shaft 15. The mounting and passive shaft 37 urges the pair of left and right support plates 27 fixed in parallel to the transfer table 1 so that the height is freely adjustable and is always lowered by the traction spring 20. The mounting / passive shaft 37 is positioned at a predetermined height above the transfer table 1 and the mounting / passive shaft 27 moves on the support plate 27 when the rotation center shaft 15 moves up and down. Arc-shaped guy centering on axis 37 The hole 38 is provided, the mounting and driven shaft 37 is obtained by the mounting apparatus conditions with a roller or the like provided substantially at the same height as the rotating center shaft 15, such as the strip with roller 10 of the stand height.
In the present invention, the intermediate gear 40 provided on the attachment / passive shaft 37 is meshed with the passive gear 41 fixed to the rotation center shaft 15, and the rotation of the transfer table 1 is transmitted to the attachment / passive shaft 37. This is a mounting device such as a striped roller.
In the present invention, a pulley 42 is separately fixed to the attachment / passive shaft 37, and a belt roller or the like around which a belt 45 wound around the pulley 44 of the output shaft 43 of the transfer table 1 is wound around the pulley 42. This is a mounting device.
In the present invention, the left and right support plates 27 are provided with left and right reinforcing frames 47, and the reinforcing frames 47 are engaged with the side of the strip roller 10 so that the strip roller 10 is in the retracted height position. A retraction switching body 48 having a hook portion 50 to be held is provided, and the retraction switching body 48 is configured such that when the elevating roller 10 is moved slightly higher than the retraction height, the hook portion 50 is detached by its own weight. This is a mounting device such as a roller.
[0006]
【Example】
An embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 denotes a transfer stand for a seedling box 2, which is placed on a floor by support legs (not shown) provided at desired positions. A plurality of transfer rolls 4 are provided at a predetermined interval on the transfer table 1, and a seed supply device 6, which will be described later, is provided above the start end of the transfer table 1.
The seeding operation on the seedling box 2 is performed by supplying floor soil to the seedling box 2 being transferred from above with a floor soil supply device, leveling the floor soil with a rotating brush, and stripping rollers on the top surface of the leveled floor soil. 10 by forming a groove 11, the seed supply by seed supply device 6 to the groove 11, then carried to put down the crush rollers 12 (omitted supply of cover soil by irrigation and soil cover feeder according irrigation device) .
Therefore, the rotating brush and the striated roller 10 and the pressure-reducing roller 12 need to get over the front wall and the rear wall of the seedling box 2 when the seedling box 2 passes under each of them. In addition, since there are various kinds of seedling boxes 2 having different heights (depths), the attachment mechanisms such as the rotating brush and the striated roller 10 and the pressure-reducing roller 12 can be driven and rotated. It is configured to be vertically movable and to be pressed downward.
[0007]
The pressure roller 12 and the like have substantially the same configuration. Of these, the step roller 10 will be described. The step roller 10 forms a front and rear strip groove 11 on the upper surface of the floor soil. The diameter part 13 and the small diameter part 14 are formed alternately, and a rotation center shaft 15 in the left-right direction that protrudes from the side surface of the strip roller 10 to the left and right sides is provided at the center. The left and right ends of the rotation center shaft 15 are rotatably mounted on a pair of left and right mounting plates 16 only for rotation.
The mounting plate 16 has a substantially vertical flat plate portion, is positioned parallel to the transfer direction of the seedling box 2, the front end of the mounting plate 16 is bent inward to form a front inner bent portion 17, and a front inner bent portion is formed. A front upper bent portion 18 that bends forward is formed at the upper edge of the portion 17. The front upper bent portion 18 is screwed with a pressing force adjusting screw 19, and the lower end portion of the pressing force adjusting screw 19 is attached with the upper end of the traction spring 20 with the lower end locked to the transfer table 1 side. 19 and the traction spring 20 constitute a pressing mechanism.
A rear inner bent portion 22 bent inward is provided on the rear side of the left and right mounting plates 16, and both ends of the connecting body 23 in the left and right direction are respectively turned to the rear inner bent portion 22 by a single stepped bolt 24. It attaches freely and connects the left and right mounting plates 16.
[0008]
That is, the strip roller 10, the left and right mounting plates 16 and the connecting body 23 are fixed to each other to form a frame structure, and these are integrally moved up and down, but the left and right mounting plates 16 and the connecting body 23 are completely fixed. Then, when one side of the left and right is lifted, it is sandwiched between a pair of left and right support plates 27, which will be described later, so that it does not move downward. A soil removing brush 28 facing the groove portion of the strip roller 10 is attached to the upper portion of the connecting body 23. FIG. 5 illustrates the unfolded state, and the soil removal brush 28 is illustrated at a position immediately above the strip roller 10, but is not limited thereto.
A mounting portion 30 that protrudes inward is provided on the mounting plate 16 in front of the rotation center shaft 15, and a screw hole (nut) is provided in the mounting portion 30 (not shown), and the height of the vertical axis rotation is adjusted in the screw hole. The screw part formed on the lower side of the bar 31 is screwed. An engaging piece 32 is provided on the upper side of the threaded portion of the height adjusting rod 31, and a spring (not shown) is provided on the outer periphery of the height adjusting rod 31 between the engaging piece 32 and the mounting portion 30 to cause looseness. The rotation of the height adjusting rod 31 is prevented. Reference numeral 34 denotes a knob provided on the top of the height adjusting rod 31.
[0009]
Thus, the mounting plate 16 on the rear side of the rotation center shaft 15 is mounted with a mounting / passive shaft 37 in the left / right direction so as to be rotatable only. A shaft is mounted on the support plate 27. An arcuate guide hole 38 centered on the attachment / passive shaft 37 is provided on the front side of the attachment / passive shaft 37 of the support plate 27, and both ends of the rotation center shaft 15 of the strip roller 10 are vertically moved in the guide hole 38. Insert it freely.
Therefore, the mounting plate 16 acts as an arm, and the rotation center shaft 15 (strip roller 10) rotates up and down around the mounting and passive shaft 37.
The attachment and passive shaft 37 is provided with an intermediate gear 40, and the intermediate gear 40 meshes with a passive gear 41 fixed to the rotation center shaft 15.
In this case, the distance between the rotation center shaft 15 and the mounting / passive shaft 37 does not change even if the strip roller 10 rotates up and down in an arc around the mounting / passive shaft 37. During the rotation, the passive gear 41 moves while meshing with the teeth of the intermediate gear 40, and does not interfere with the top and bottom of the strip roller 10.
[0010]
Thus, a pulley 42 is fixed to the attachment / passive shaft 37, and a belt 45 is wound around the pulley 42 and the pulley 44 of the output shaft 43 of the transfer table 1.
Therefore, the mounting / passive shaft 37 does not move with respect to the output shaft 43 of the transfer table 1, and the rotation center shaft 15 rotates relative to the mounting / passive shaft 37 to raise and lower the strip roller 10. Since the intermediate gear 40 and the passive gear 41 are meshed between the shaft 37 and the rotation center shaft 15, the upper and lower portions of the strip roller 10 do not affect the rotation transmission and have a rational configuration.
In this case, the rotation center shaft 15 (strip roller 10) is moved up and down by a rotation that moves in an arc with respect to the mounting and passive shaft 37, but is rotated around the output shaft 43 provided on the transfer table 1 as is well known. Rather than being the center of the mounting and passive shaft 37 provided above the transfer table 1 by a predetermined distance, it is sufficient even if the distance between the rotation center shaft 15 (strip roller 10) and the mounting and passive shaft 37 is short. The vertical width of the strip roller 10 is secured.
[0011]
Further, the intermediate gear 40 and the passive gear 41 may be provided at one end of the rotation center shaft 15 and the attachment / passive shaft 37, respectively, but when provided at both ends of the rotation center shaft 15 and the attachment / passive shaft 37, respectively. This is preferable because rotation transmission is ensured.
Thus, rotation transmission between the mounting and passive shaft 37 and the output shaft 43 of the transfer table 1 is performed by the belt 45, so that the belt 45 can be easily attached and detached without using a special tool. Although it becomes easy, when the belt 45 is removed, the rotation from the output shaft 43 of the transfer table 1 is not transmitted, and the belt 45 also acts as a clutch for turning on and off the rotation transmission.
A cover 46 is attached to the support plate 27.
Thus, left and right support plates 27 are provided with left and right reinforcing frames 47. The reinforcing frame 47 is formed of a round shaft bar, and the reinforcing frame 47 is provided with a retraction switching body 48 that holds the straddling roller 10 at a retreat height position that does not collide with the seedling box 2. The retraction switching body 48 inserts the circular portion 49 into the reinforcing frame 47, and a hook portion 50 is provided below the retraction switching body 48, and the hook portion 50 is engaged with the connecting body 23 side so that the strip roller 10 is retreated. When it is held in position and the strip roller 10 is moved slightly upward, the hook roller 50 is rotated by its own weight to be detached from the attachment / passive shaft 37.
Reference numeral 51 denotes an operation knob 51 provided in the circular portion 49. Note that the operation knob 51 protrudes upward for convenience of explanation in FIG. 3 for ease of understanding. However, the operation knob 51 does not exclude the configuration in which the hook portion 50 is rotated by its own weight and retracted. Provide as follows. Further, in FIG. 6, the operation knob 51 is not engaged with the connecting body 23, but is shown in a developed state, and the operation knob 51 is illustrated in the engagement state.
[0012]
In the drawing, 52 is a mark for adjusting the height, 53 is a seed hopper supply hopper of the seed supply device 6, 54 is a horizontal axis feeding roll in the horizontal direction provided obliquely below the seed potato supply hopper 53, and 55 is a horizontal axis feeding roll 54. An axial center direction provided at a position directly above the horizontal axis feed roll 54 is a leveling and tacking brush removing brush 56 in parallel with the horizontal axis feed roll 54, and 56 is fitted in a horizontal groove 57 provided on a part of the outer peripheral surface of the horizontal axis feed roll 54. A seed soot guidance device for guiding the combined seed soy from an upper position to a lower position, 58 is a soot guide below the feed roll 54, and 59 is a parallel link.
Accordingly, a pressure reducing roller 12 is provided on the lower side of the seed supply device 6 in the transfer direction. The pressure reducing roller 12 is attached to the transfer table 1 with the same structure as the above-mentioned roller 10, but the scraper 60 is brought into contact with the pressure reducing roller 12 instead of the soil removing brush 28.
[0013]
[Action]
Next, the operation will be described.
When the seedling box 2 is supplied to the starting end of the transfer table 1, the seedling box 2 is transferred by the transfer roll 4 and supplied with the floor soil by the floor soil supply device. The supplied floor soil is leveled by the rotating brush and leveled. On the upper surface of the floor soil, a strip groove 11 for strip seeding in the front-rear direction parallel to the feeding direction of the seedling box 2 is formed by the strip roller 10, and the seed pod that is fitted together with the lateral strip groove of the horizontal shaft feeding roll 54 is rotated together. It is dropped and sown in a state of being divided by the divided dropping port of the guide, and the floor soil is crushed by the crushed roller 12 so as to break up the mountain part forming a groove together with the seed, and then irrigated by the irrigation device, The soil covering is supplied by the soil covering supply device, and the soil covering dropped on the side wall of the seedling box 2 is swept away by the rotating brush on the front side of the soil covering supplying device, so that the seeding operation is completed.
In this case, the strip roller 10 and the pressure roller 12 all move over the front wall of the seedling box 2 and move over the rear wall and act on the subsequent seedling box. In the example of the roller 10, the mounting plate 16 on the rear side of the rotation center shaft 15 is mounted with a mounting / passive shaft 37 in the left / right direction so that the mounting / passive shaft 37 can rotate only freely. Since the pair of support plates 27 fixed in parallel is mounted on the shaft, the mounting plate 16 can be pivoted up and down around the mounting and passive shaft 37 with respect to the support plate 27.
[0014]
The support plate 27 on the front side of the mounting / passive shaft 37 is provided with an arc-shaped guide hole 38 centered on the mounting / passive shaft 37, and both ends of the rotation center shaft 15 of the strip roller 10 are provided in the guide hole 38. Since the front wall of the seedling box 2 comes into contact with the strip roller 10 because it can be pivoted up and down, the strip roller 10 is pushed up by the front wall, and the mounting plate 16 acts as an arm to rotate the center. The shaft 15 (strip roller 10) rotates upward with the mounting plate 16 about the mounting and passive shaft 37.
Next, when the front wall of the seedling box 2 passes below the strip roller 10, the attachment plate 16 is rotated downward about the mounting and passive shaft 37 by the action of the traction spring 20, and the strip roller 10 is lowered. A groove 11 is formed on the floor soil in the nursery box 2.
In this case, the rotation center shaft 15 rotates up and down about the attachment / passive shaft 37 provided above the transfer table 1 by a predetermined distance. Therefore, even if the distance between the rotation center shaft 15 and the attachment / passive shaft 37 is short. In addition to being able to rip over the wall of the seedling box 2, a sufficient vertical width is secured for the laying on the seedling box 2 having different heights.
[0015]
That is, since the well-known strip roller 10 is configured to rotate the arm around the output shaft 43 provided on the transfer table 1, the distance between the rotation center and the rotation center shaft 15 must be considerably increased. However, in the present application, since the attachment / passive shaft 37 that is the center of rotation is provided above the output shaft 43, even if the distance between the rotation center shaft 15 and the attachment / passive shaft 37 is short, raising the seedling Get over the wall of Box 2.
In this case, if the attachment / passive shaft 37 is provided at substantially the same position as the rotation center shaft 15 in the striated state, it is sufficient that this position becomes the lowermost position of the rotation center shaft 15 and the height for retreating upward is secured. Further, it is preferable that the distance between the rotation center shaft 15 and the mounting / passive shaft 37 can be shortened.
Thus, the passive gear 41 is fixed to the end of the rotation center shaft 15, and the intermediate gear 40 fixed to the passive gear 41 is engaged with the attachment / passive shaft 37. The distance between the axes of the shafts 37 does not change even when the strip roller 10 is rotated up and down in an arc around the mounting and passive shaft 37, so that the passive gear 41 is the intermediate gear 40 when the strip roller 10 is rotated up and down. It moves while meshing with the other teeth, and does not interfere with the top and bottom of the roller 10.
[0016]
Accordingly, when the rotation of the transfer table 1 is transmitted to the mounting / passive shaft 37, the mounting / passive shaft 37 is immovable with respect to the transfer table 1, so that the strip roller 10 is pushed up by the front wall of the seedling box 2 and descends. The driving rotation is continued for a while, and when the front wall of the seedling box 2 passes under the strip roller 10, it immediately descends to form the groove 11 on the floor soil in the seedling box 2.
Therefore, since the mounting / passive shaft 37 is stationary with respect to the output shaft 43 of the transfer table 1, the pulley 42 is fixed to the mounting / passive shaft 37, and the pulley 42 and the pulley of the output shaft 43 of the transfer table 1 are fixed. The rotation transmission mechanism can be constructed by wrapping the belt 45 between the belt 44 and the belt 44, and the rotation transmission mechanism can be made simple and inexpensive.
Thus, the strip roller 10 and the pressure roller 12 have the rotation center shaft 15 mounted on the left and right mounting plates 16, respectively, and the mounting plate 16 is mounted on the support plate 27 by the mounting / passive shaft 37 so as to be rotatable up and down. Since the traction spring 20 is attached to the mounting plate 16 and the height adjusting rod 31 is screwed to the mounting plate 16, when the height adjusting rod 31 is rotated, the lower end of the height adjusting rod 31 is moved. By contacting the upper surface of the transfer table 1, the mounting plate 16 is rotated up and down around the mounting and passive shaft 37 with respect to the height adjusting rod 31, and the height positions of the strip roller 10 and the pressure-reducing roller 12 are set to the seedling box 2. Adjust the stand-by height to match and hold. Further, when the pressing force adjusting screw 19 is rotated, the pressing force adjusting screw 19 moves up and down with respect to the mounting plate 16, so that the force pulling below the traction spring 20 is adjusted.
[0017]
Therefore, the left and right support plates 27 are provided with left and right reinforcing frames 47, and the retraction switching body 48 that holds the stiffening roller 10 and the pressure-reducing roller 12 at a retreat height position that does not collide with the seedling box 2. Since the retraction switching body 48 has the circular portion 49 inserted into the reinforcing frame 47 and the hook portion 50 is provided below the retraction switching body 48, the hook portion 50 is engaged with the connecting body 23 side. The holding roller 10 and the pressure-reducing roller 12 are held at the retreat height position.
In this case, the retraction switching body 48 is under its own weight so that the hook portion 50 is always positioned below, so that the strip roller 10 and the pressure-reducing roller 12 are rotated slightly upward from the retracted state to When the edge is located above the tip of the hook part 50, the hook part 50 moves downward under its own weight and is detached from the attachment and passive shaft 37. Next, when the hand is released from the strip roller 10 and the pressure roller 12, The step roller 10 and the pressure roller 12 are held at a predetermined standby position by the height adjusting rod 31.
[0018]
Then, the wrinkle guide 58 below the feeding roll 54 of the seed supply device 6 is removed together with the parallel link 59, the whole seed supply device 6 is lowered to the position for seeding, and the strip roller 10 and the pressure-reducing roller 12 are moved upward. When the seedling box 2 is supplied to the starting end of the transfer table 1 in this state, the floor soil is supplied by the floor soil supply device. Leveled by a rotating brush, the seeds co-rotated by the horizontal axis feeding roll 54 and fitted in the horizontal groove 57 of the horizontal axis feeding roll 54 on the leveled soil are dropped and scattered and then irrigated. The device receives irrigation, the soil covering supply device receives the covering soil, and the covering soil dropped on the side wall of the seedling box 2 is swept by the rotating brush on the front side of the soil covering supply device, so that the seeding operation is completed.
[0019]
【effect】
The present invention is a drive rotation which is held at a fixed height corresponding to the height of the seedling box 2 on the transfer stand 1 capable of transferring the seedling box 2 and moves up and down in response to the movement of the front and rear walls of the seedling box 2. In the rotating brush or the rolling roller 10 or the pressure roller 12, the rolling roller 10 and the like are rotatably mounted on a pair of left and right mounting plates 16 at both left and right ends of the rotation center shaft 15. The mounting and passive shaft 37 urges the pair of left and right support plates 27 fixed in parallel to the transfer table 1 so that the height is freely adjustable and is always lowered by the traction spring 20. The mounting / passive shaft 37 is positioned at a predetermined height above the transfer table 1 and the mounting / passive shaft 27 moves on the support plate 27 when the rotation center shaft 15 moves up and down. Arc-shaped guy centering on axis 37 The hole 38 is provided, because the mounting and driven shaft 37 is obtained by the mounting apparatus conditions with a roller or the like provided substantially at the same height as the rotating center shaft 15, such as the strip with roller 10 of the stand height, mounting Since the cum / passive shaft 37 is located above the output shaft 43, the distance between the rotation center shaft 15 and the mounting / passive shaft 37 can be shortened to narrow the front / rear width of the support plate 27, and the entire mounting device can be downsized. In addition, since it is a rotational movement, the operation is smooth, and the attachment / passive shaft 37 is provided at substantially the same height as the rotation center shaft 15 of the above-mentioned standby roller 10 or the like, so that the rotation center is further increased. The distance between the shaft 15 and the mounting / passive shaft 37 can be shortened to reduce the size.
In the present invention, the intermediate gear 40 provided on the attachment / passive shaft 37 is meshed with the passive gear 41 fixed to the rotation center shaft 15, and the rotation of the transfer table 1 is transmitted to the attachment / passive shaft 37. Therefore, the rotation transmission mechanism can be simplified, the number of parts can be reduced, and the cost can be reduced.
In the present invention, a pulley 42 is separately fixed to the mounting / passive shaft 37, and a belt roller or the like around which a belt 45 wound around the pulley 44 of the output shaft 43 of the transfer table 1 is wound around the pulley 42. Since the mounting device is used, the rotation of the output shaft 43 of the transfer table 1 can be easily transmitted to the mounting / passive shaft 37 that does not move with respect to the transfer table 1, thereby reducing the number of parts and the cost.
In the present invention, the left and right support plates 27 are provided with left and right reinforcing frames 47, and the reinforcing frames 47 are engaged with the side of the strip roller 10 so that the strip roller 10 is in the retracted height position. A retraction switching body 48 having a hook portion 50 to be held is provided, and the retraction switching body 48 is configured such that when the elevating roller 10 is moved slightly higher than the retraction height, the hook portion 50 is detached by its own weight. Since the mounting device is a roller or the like, the retraction configuration when the strip roller 10 or the like is not in use can be simplified, the cost can be reduced, and detachment is performed by its own weight, so that the operability is improved.
[Brief description of the drawings]
FIG. 1 is a side view for explaining the arrangement relationship between a seed supply device and a strip roller.
FIG. 2 is a side view of a mounting device such as a strip roller.
FIG. 3 is an enlarged view of the same.
FIG. 4 is a plan view of a mounting device for a strip roller.
FIG. 5 is a rear view of the same part.
FIG. 6 is a plan view of the same.
FIG. 7 is a side view in which the strip roller is retracted.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Transfer stand, 2 ... Nursery box, 3 ... Supporting leg, 4 ... Transfer roll, 5 ... Floor soil supply device, 6 ... Seed supply device, 10 ... Rolling roller, 11 ... Strip groove, 12 ... Squeezing roller, 13 ... Large diameter portion, 14 ... small diameter portion, 15 ... rotation center axis, 16 ... mounting plate, 17 ... front inner bent portion, 18 ... front upper bent portion, 19 ... pressure adjusting screw, 20 ... traction spring, 22 ... rear portion Inner bent portion, 23 ... connecting body, 24 ... stepped bolt, 27 ... support plate, 28 ... earth removing brush, 30 ... mounting portion, 31 ... height adjusting rod, 32 ... engagement piece, 33 ... spring, knob 34 ... Knob, 37 ... Mounting and passive shaft, 38 ... Guide hole, 40 ... Intermediate gear, 41 ... Passive gear, 42 ... Pulley, 43 ... Output shaft, 44 ... Pulley, 45 ... Belt, 46 ... Cover, 47 ... Reinforcement frame 48 ... Retraction switching body, 49 ... Circular part, 50 ... Hook part, 52 ... Height adjustment Landmarks, 53 ... rice seed supply hopper, 54 ... feed roll, 57 ... groove, 55 ... rotary brush, 56 ... rice seed induction apparatus, 58 ... rice guide, 59 ... parallel link, 60 ... scraper.

Claims

A rotating brush of driving rotation that is held at a fixed height corresponding to the height of the seedling box 2 on the transfer stand 1 that can transfer the seedling box 2 and moves up and down in response to the movement of the front and rear walls of the seedling box 2 In the step roller 10 or the pressure roller 12, the step roller 10 or the like is mounted on the pair of left and right mounting plates 16 so that the left and right ends of the rotation center shaft 15 can be freely rotated. A pair of left and right support plates 27 fixed in parallel to the transfer table 1 is held by a shaft 37 so that the height is adjustable and held at a constant height, and is urged by the traction spring 20 so as to be always lowered. The mounting / passive shaft 37 is positioned at a predetermined height above the transfer table 1, and the support plate 27 is centered on the mounting / passive shaft 37 on which the rotation center shaft 15 moves up and down. An arc-shaped guide hole 38 Only, the mounting and driven shaft 37 are mounted device conditions with a roller or the like provided substantially at the same height as the rotating center shaft 15, such as the strip with roller 10 of the stand height.

Oite to claim 1, the passive gear 41 fixed to the rotation center shaft 15, meshing the intermediate gear 40 provided on the mounting and driven shaft 37, transmitting the rotation of the transfer table 1 in the mounting and driven shaft 37 A mounting device such as a strip roller.

In Claim 2 , the pulley 42 is separately fixed to the said attachment and the passive shaft 37, The strip roller etc. which hung the belt 45 hung on the pulley 44 of the output shaft 43 of the said transfer stand 1 on this pulley 42, etc. Mounting device.

In any one of Claims 1-3 , the left-right support plate 27 is provided with a left-right reinforcing frame 47, and the reinforcing frame 47 is engaged with the strip roller 10 side to A retraction switching body 48 having a hook portion 50 for holding the staking roller 10 at a retreat height position is provided. When the retraction switching body 48 moves the stencil roller 10 slightly above the retraction height, the hook portion 50 is A mounting device such as a strip roller configured to detach with its own weight.