JP4600899B2 - Rotating brush adjustment device - Google Patents

Rotating brush adjustment device Download PDF

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JP4600899B2
JP4600899B2 JP2000247261A JP2000247261A JP4600899B2 JP 4600899 B2 JP4600899 B2 JP 4600899B2 JP 2000247261 A JP2000247261 A JP 2000247261A JP 2000247261 A JP2000247261 A JP 2000247261A JP 4600899 B2 JP4600899 B2 JP 4600899B2
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switching
engagement step
switching engagement
brush
shaft
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JP2002058352A (en
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浩一 石川
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株式会社スズテック
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Description

【０００１】
【産業上の利用分野】
本発明は、回転ブラシの調節装置に係るものである。
【０００２】
【従来技術】
従来公知の実公平７−４１２９７号公報には、回転ブラシのブラシ回転軸の両端に一対の牽引ロッドを取付け、各牽引ロッドは連結軸により連結し、連結軸は切替用係合段部に係合させ、切替用係合段部を有する上下移動板は前記移送台に左右一対設けたフレーム側板の窓孔の内側に設け、上下移動板はフレーム側板に設けた調節螺子軸に上下自在に取付け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、窓孔の内側に切替用係合段部を有する上下移動板を設け、該上下移動板を調節螺子軸により高さ調節自在に吊設し、前記窓孔に連結軸を挿通させて窓孔の内側の切替用係合段部に係合させる構成であり、窓孔という制約のため、切替用係合段部を設けるスペースが狭いという課題がある。
即ち、公知例は、切替用係合段部を有する上下移動板を上下させる構成のため、形成するためのスペースが狭いのである。
本発明は、微調節機構を工夫して、窓孔の制約を除去して、変更範囲を広くしたものである。
【０００４】
【発明の目的】
掻き取り深さの変更範囲の拡大、変更精度の向上。
【０００５】
【課題を解決するための手段】
本発明は、育苗容器Ａを移送する移送台１の上方に、該移送台１に回動自在に設けた左右一対の取付アーム７の先端に軸装した回転ブラシ３を設け、該回転ブラシ３のブラシ回転軸６の両端に一対の牽引ロッド１８を取付け、各牽引ロッド１８はダイヤル２２を有する調節螺子軸１９に上下移動自在に取付け、左右の調節螺子軸１９は連結軸２１により連結し、前記移送台１には左右一対のフレーム側板１６を設け、該フレーム側板１６の上部に前記連結軸２１を上方から係合させて支持する高さの相違する切替用係合段部２６を前後方向に複数設けた回転ブラシの調節装置としたものである。
本発明は、前記ブラシ回転軸６は取付アーム７を移送台１に取付ける回転軸８を中心とする円弧移動するように構成し、前記切替用係合段部２６のうち、前記ブラシ回転軸６と連結軸２１とが鉛直上に位置する中央切替用係合段部２６ａを基準段部とし、前記中央切替用係合段部２６ａの前後側の何れか一方に設けた切替用係合段部２６を、前記中央切替用係合段部２６ａよりも低くい第一切替用係合段部２６ｂとし、前記中央切替用係合段部２６ａの前後側の何れか他方に設けた切替用係合段部２６を、前記第一切替用係合段部２６ｂよりも低くい第二切替用係合段部２６ｃとするように、前記中央切替用係合段部２６ａの前後側に位置する切替用係合段部２６は夫々前後に順に低く複数配置構成した回転ブラシの調節装置としたものである。
【０００６】
【実施例】
本発明の実施例を図面により説明すると、１は育苗容器Ａを移送する移送台、２は移送台１に設けた育苗容器Ａを移送する移送ロール、３は前記移送台１の上方に設けた回転ブラシであり、回転ブラシ３は前記育苗容器Ａに余分に供給した床土４を所定量掻取りながら均平するものである。
前記回転ブラシ３は、そのブラシ回転軸６の両端を左右一対の取付アーム７に軸装し、取付アーム７の基部を前記移送ロール２の回転軸８に回動自在に取付けると共に、移送ロール２の回転をチエン（図示省略）と歯車９によりブラシ回転軸６に伝達して駆動回転させる。
【０００７】
しかして、移送台１には前記回転ブラシ３の高さ調節装置１５を設ける。高さ調節装置１５は前記移送台１に左右一対のフレーム側板１６を設け、フレーム側板１６に前記ブラシ回転軸６を挿通する挿通孔１７を形成し、挿通孔１７は前記回転軸８を中心とする円弧形状に形成し、高さの相違する育苗容器Ａに合わせて回転ブラシ３が上下するのを許容する。
フレーム側板１６より側方に突出するブラシ回転軸６の両端には牽引ロッド１８の下部を夫々取付け、牽引ロッド１８の上部には調節螺子軸１９の下部を螺合させる。２０は牽引ロッド１８に溶接固定した螺合用ナットであり、調節螺子軸１９を回転させると、牽引ロッド１８は調節螺子軸１９に対して上下動する。
【０００８】
調節螺子軸１９の上部は左右方向の連結軸２１に回転自在に取付ける。２２は調節螺子軸１９の上端に設けたダイヤル、２３は連結軸２１の下方の調節螺子軸１９に設けた係合用ナットであり、係合用ナット２３によりダイヤル２２を持ち上げると、連結軸２１が上動する。また、前記螺合用ナット２０の下方の調節螺子軸１９にはロック用ナット２４を螺合させている。
前記牽引ロッド１８には前記移送台１等の固定部との間にバネ２５を設け、常時牽引ロッド１８を下方に牽引するように付勢する。
【０００９】
しかして、前記フレーム側板１６の上縁には、前記連結軸２１を係合させる切替用係合段部２６を複数円弧上に配置形成し、複数ある切替用係合段部２６のうち何れかに選択係合させる。
この場合、前記切替用係合段部２６のうち、前記ブラシ回転軸６の鉛直上に連結軸２１が位置する中央切替用係合段部２６ａを基準段部とし、この状態で左右の調節螺子軸１９を回転させて回転ブラシ３の下端を育苗容器Ａの前壁２７の上面に接触させ、掻取り量を「零」にし、中央切替用係合段部２６ａの前後側に、順に低い切替用係合段部２６を形成し、この切替用係合段部２６に連結軸２１を係合させて回転ブラシ３の下端を育苗容器Ａの前壁前壁２７上面より下方に位置させて、床土を所定量掻き取る。
【００１０】
また、実施例の切替用係合段部２６は、中央切替用係合段部２６ａを基準に前後側の交互に低くくなるように形成すると、掻取り量の設定の精度を向上させ、好適である。
即ち、ブラシ回転軸６は、回転軸８を中心とする円弧線上であって、連結軸２１を中心とする円弧線上を移動するから、高さの相違する育苗容器Ａに合わせて、最初のブラシ回転軸６の位置を変化させると、各切替用係合段部２６に係合させたとき、中央切替用係合段部２６ａに対する下降量が一定とならないことになり、このずれを、中央切替用係合段部２６ａを基準に各切替用係合段部２６を前後側の交互に低くくなるように形成することにより、掻取り量の設定の精度を向上させるのである。２６ｂは第一切替用係合段部、２６ｃは第二切替用係合段部、２６ｄは第三切替用係合段部、２６ｅは第四切替用係合段部であり、順に掻取り量が多くなるように、回転ブラシ３の高さを低くする。
【００１１】
しかして、前記回転ブラシ３の後側にはブラシカバー３０を設け、ブラシカバー３０は前記連結軸２１より所定間隔を置いて下方に位置させて、作業者の手を挿入して連結軸２１を持ち上げられるようにしている。
なお、以上の構成は任意であり、高さ調節装置１５は、ダイヤル２２または連結軸２１を持ち上げて連結軸２１を切替用係合段部２６に選択係合させて、掻取り量を変更し、連結軸２１に対して牽引ロッド１８を上下させて掻取り量を微調節できればよい。
【００１２】
【作用】
次に作用を述べる。
育苗容器Ａを移送する移送台１の上方に回転ブラシ３を設け、回転ブラシ３は左右一対の取付アーム７の先端に軸装し、取付アーム７は移送台１に回動自在に取付け、回転ブラシ３には、ブラシ回転軸６に取付けた牽引ロッド１８と、牽引ロッド１８を上下させるダイヤル２２を有する調節螺子軸１９と、左右の調節螺子軸１９を連結した連結軸２１と、移送台１に設けたフレーム側板１６に形成した連結軸２１を係合支持する切替用係合段部２６とからなる高さ調節装置１５を設けているから、何れかの切替用係合段部２６に連結軸２１を係合させた状態で、左右の調節螺子軸１９を回転させて回転ブラシ３の下端を育苗容器Ａの前壁２７の上面に接触させ、掻取り量を「零」にし、次ぎに、ダイヤル２２または連結軸２１を持って、上方に持ち上げて前記切替用係合段部２６より低い他の切替用係合段部２６に連結軸２１を係合させると、最初の切替用係合段部２６と次ぎの切替用係合段部２６の高さ分だけ、牽引ロッド１８は下降し、これによりブラシ回転軸６も下降し、回転ブラシ３は所定高さに設定される。
【００１３】
この状態で、床土を供給した育苗容器Ａを移送台１に供給すると、移送ロール２により移送されて、回転ブラシ３の下方を通過するとき、所定量掻き取られる。
しかして、掻取り量を変更するときは、連結軸２１を複数ある切替用係合段部２６のうち他の切替用係合段部２６に係合させると、これにより連結軸２１は調節螺子軸１９を上下させ、調節螺子軸１９は牽引ロッド１８を上下させ、牽引ロッド１８はブラシ回転軸６を上下させて、回転ブラシ３の高さを変更し、掻取り量を変更する。
【００１４】
また、高さの相違する育苗容器Ａを使用するときは、前記したように、何れかの切替用係合段部２６に連結軸２１を係合させた状態で、左右の調節螺子軸１９を回転させて回転ブラシ３の下端を育苗容器Ａの前壁２７の上面に接触させ、掻取り量を「零」にし、次ぎに、ダイヤル２２または連結軸２１を持って、上方に持ち上げて前記切替用係合段部２６より低い他の切替用係合段部２６に連結軸２１を係合させて、回転ブラシ３を所定高さに設定する。
前記の場合、切替用係合段部２６は、移送台１に設けた左右一対のフレーム側板１６の上縁に円弧上に複数配置しているから、切替用係合段部２６を形成するスペースが多くなって、それだけ、変更範囲を広くできる。
【００１５】
即ち、固定側のフレーム側板１６に、切替用係合段部２６を設けているので、スペースを広くできる。
しかして、ブラシ回転軸６は、回転軸８を中心とする円弧線上であって、連結軸２１を中心とする円弧線上を移動するから、高さの相違する育苗容器Ａに合わせると、最初のブラシ回転軸６の位置が上下に変化し、各切替用係合段部２６の段差とブラシ回転軸６の下降量が比例しないことになる。
そのため、前記切替用係合段部２６のうち、前記ブラシ回転軸６と連結軸２１とが鉛直上に位置する中央切替用係合段部２６ａを基準段部とし、この状態で左右の調節螺子軸１９を回転させて回転ブラシ３の下端を育苗容器Ａの前壁前壁２７の上面に接触させ、掻取り量を「零」になるように調節し、この中央切替用係合段部２６ａの前後側に、中央切替用係合段部２６ａより順に低い切替用係合段部２６を形成する。
【００１６】
したがって、「零設定」の中央切替用係合段部２６ａより低い切替用係合段部２６に係合させることにより、回転ブラシ３の下端を育苗容器Ａの前壁２７上面より下方に位置させて、床土を所定量掻き取る。
この場合、実施例の切替用係合段部２６は、中央切替用係合段部２６ａを基準に前後側の交互に低くくなるように形成しているから、回転軸８と連結軸２１の２点を中心とする円弧移動するブラシ回転軸６の移動量の変化を最小にして、掻取り量の設定の精度を向上させる。即ち、一例として、７mm、１０mm、１２mm、１５mmの４段階の切替用係合段部２６を形成する場合、側面視、後側より１５mm（第四切替用係合段部２６ｂ）、１２mm（第三切替用係合段部２６ｂ）、０mm（中央切替用係合段部２６ａ）、７mm（第一切替用係合段部２６ｂ）、１０mm（第二切替用係合段部２６ｂ）の順に形成しているから、各切替用係合段部２６の間のずれも小さくなる。
【００１７】
なお、側面視、１５mm（第四切替用係合段部２６ｂ）、１０mm（第二切替用係合段部２６ｂ）、０mm（中央切替用係合段部２６ａ）、７mm（第一切替用係合段部２６ｂ）、１２mm（第三切替用係合段部２６ｂ）の順に形成してもよい。
しかして、牽引ロッド１８はバネ２５により常時下方に牽引されているから、調節螺子軸１９を回転させて牽引ロッド１８を下げると、牽引ロッド１８はバネ２５の弾力により下降し、反対に、調節螺子軸１９を逆回転させると、牽引ロッド１８をバネ２５の弾力に抗して上動させる。
この場合、牽引ロッド１８の上部に調節螺子軸１９の下部を螺合させているから、ダイヤル２２を回転させると、調節螺子軸１９に対して牽引ロッド１８は上下する。
【００１８】
また、連結軸２１の下方の調節螺子軸１９には係合用ナット２３を設けているから、ダイヤル２２を持ち上げると、係合用ナット２３により連結軸２１を上動させ、連結軸２１だけでなく、左右のダイヤル２２によっても連結軸２１を持ち上げて他の切替用係合段部２６に係合させて、回転ブラシ３の掻取り量を変更できる。
また、牽引ロッド１８に固定の螺合用ナット２０の下方の調節螺子軸１９にはロック用ナット２４を螺合させているから、一旦調節すると、狂いが生じない。
【００１９】
【効果】
本発明は、育苗容器Ａを移送する移送台１の上方に、該移送台１に回動自在に設けた左右一対の取付アーム７の先端に軸装した回転ブラシ３を設け、該回転ブラシ３のブラシ回転軸６の両端に一対の牽引ロッド１８を取付け、各牽引ロッド１８はダイヤル２２を有する調節螺子軸１９に上下移動自在に取付け、左右の調節螺子軸１９は連結軸２１により連結し、前記移送台１には左右一対のフレーム側板１６を設け、該フレーム側板１６の上部に前記連結軸２１を上方から係合させて支持する高さの相違する切替用係合段部２６を前後方向に複数設けた回転ブラシの調節装置としたものであるから、切替用係合段部２６を形成するスペースが多くなって、変更範囲を広くできる。
本発明は、前記ブラシ回転軸６は取付アーム７を移送台１に取付ける回転軸８を中心とする円弧移動するように構成し、前記切替用係合段部２６のうち、前記ブラシ回転軸６と連結軸２１とが鉛直上に位置する中央切替用係合段部２６ａを基準段部とし、前記中央切替用係合段部２６ａの前後側の何れか一方に設けた切替用係合段部２６を、前記中央切替用係合段部２６ａよりも低くい第一切替用係合段部２６ｂとし、前記中央切替用係合段部２６ａの前後側の何れか他方に設けた切替用係合段部２６を、前記第一切替用係合段部２６ｂよりも低くい第二切替用係合段部２６ｃとするように、前記中央切替用係合段部２６ａの前後側に位置する切替用係合段部２６は夫々前後に順に低く複数配置構成した回転ブラシの調節装置としたものであるから、変更精度を向上させる。
【図面の簡単な説明】
【図１】 側面図。
【図２】 正面図。
【図３】 フレーム側板の側面図。
【図４】 高さ調節装置の一部正面図。
【図５】 調節状態断面図。
【図６】 高さ調節装置の一部斜視図。
【図７】 公知例図。
【符号の説明】
１…移送台、２…移送ロール、３…回転ブラシ、４…床土、６…ブラシ回転軸、７…取付アーム、８…回転軸、９…歯車、１５…高さ調節装置、１６…フレーム側板、１７…挿通孔、１８…牽引ロッド、１９…調節螺子軸、２０…螺合用ナット、２１…連結軸、２２…ダイヤル、２３…係合用ナット、２４…ロック用ナット、２５…バネ、２６…切替用係合段部、２７…前壁、３０…ブラシカバー。[0001]
[Industrial application fields]
The present invention relates to a rotating brush adjusting device.
[0002]
[Prior art]
In the publicly known Japanese Utility Model Publication No. 7-41297, a pair of traction rods are attached to both ends of a brush rotation shaft of a rotary brush, each traction rod is connected by a connection shaft, and the connection shaft is engaged with a switching engagement step. The up / down moving plate having the engaging step for switching is provided inside the window hole of the frame side plate provided on the transfer table, and the up / down moving plate is attached to the adjusting screw shaft provided on the frame side plate so as to be freely movable up and down. The configuration is described.
[0003]
[Problems to be solved by the invention]
In the known example, a vertically moving plate having a switching engagement step portion is provided inside a window hole, the vertically moving plate is suspended by an adjusting screw shaft so that the height can be adjusted, and a connecting shaft is inserted into the window hole. Thus, there is a problem that the space for providing the switching engagement step portion is narrow due to the restriction of the window hole.
That is, in the known example, the vertical movement plate having the switching engagement step portion is moved up and down, so that the space for formation is narrow.
In the present invention, the fine adjustment mechanism is devised, the restriction of the window hole is removed, and the change range is widened.
[0004]
OBJECT OF THE INVENTION
Expansion of scraping depth change range and improvement of change accuracy.
[0005]
[Means for Solving the Problems]
In the present invention, a rotating brush 3 is provided above the transfer table 1 for transferring the seedling container A and is pivotally mounted on the tips of a pair of left and right mounting arms 7 that are rotatably provided on the transfer table 1. attaching a pair of traction rods 18 of both ends of the brush rotation axis 6, the traction rod 18 is mounted for vertical movement in the adjustment screw shaft 19 having a dial 22, the left and right adjustment screw shaft 19 is connected by a connecting shaft 21, The transfer table 1 is provided with a pair of left and right frame side plates 16, and a switching engagement step portion 26 having a different height for supporting the connecting shaft 21 from above is supported on the upper portion of the frame side plate 16 in the front-rear direction. And a plurality of rotary brush adjusting devices.
The present invention is characterized in that the brush rotation axis 6 is arranged to arc movement to centering on the rotating shaft 8 for mounting the mounting arm 7 to the transfer table 1, of the switching engagement Godan unit 26, the brush rotation axis The switching step provided on either the front or rear side of the center switching engagement step 26a is a center switching engagement step 26a in which the shaft 6 and the connecting shaft 21 are vertically positioned. The portion 26 is a first switching engagement step portion 26b that is lower than the center switching engagement step portion 26a, and the switching member provided on either the front or rear side of the center switching engagement step portion 26a. The switching located on the front and rear sides of the center switching engagement step 26a so that the joint step 26 is a second switching engagement step 26c lower than the first switching engagement step 26b. der what use engaging Godan 26 which was adjusting device of the rotating brush in which a plurality arrangement order low back and forth respectively .
[0006]
【Example】
An embodiment of the present invention will be described with reference to the drawings. 1 is a transfer stand for transferring a seedling container A, 2 is a transfer roll for transferring a seedling container A provided on the transfer stand 1, and 3 is provided above the transfer stand 1. It is a rotary brush, and the rotary brush 3 leveles the floor soil 4 supplied to the seedling raising container A while scraping a predetermined amount.
The rotating brush 3 has both ends of the brush rotating shaft 6 mounted on a pair of left and right mounting arms 7, the base of the mounting arm 7 is rotatably mounted on the rotating shaft 8 of the transfer roll 2, and the transfer roll 2. Is transmitted to the brush rotating shaft 6 by a chain (not shown) and a gear 9 to be driven to rotate.
[0007]
Thus, the transfer table 1 is provided with a height adjusting device 15 for the rotating brush 3. The height adjusting device 15 is provided with a pair of left and right frame side plates 16 on the transfer table 1, and an insertion hole 17 through which the brush rotation shaft 6 is inserted is formed in the frame side plate 16, and the insertion hole 17 is centered on the rotation shaft 8. The rotating brush 3 is allowed to move up and down according to the seedling container A having a different arc height.
Lower ends of the pulling rods 18 are respectively attached to both ends of the brush rotation shaft 6 projecting laterally from the frame side plate 16, and the lower portions of the adjusting screw shafts 19 are screwed onto the upper portions of the pulling rods 18. Reference numeral 20 denotes a screwing nut fixedly welded to the pulling rod 18. When the adjusting screw shaft 19 is rotated, the pulling rod 18 moves up and down with respect to the adjusting screw shaft 19.
[0008]
The upper part of the adjusting screw shaft 19 is rotatably attached to the connecting shaft 21 in the left-right direction. 22 is a dial provided at the upper end of the adjusting screw shaft 19, and 23 is an engaging nut provided on the adjusting screw shaft 19 below the connecting shaft 21. When the dial 22 is lifted by the engaging nut 23, the connecting shaft 21 is moved upward. Move. A lock nut 24 is screwed onto the adjusting screw shaft 19 below the screw nut 20.
A spring 25 is provided between the pulling rod 18 and a fixed part such as the transfer table 1 to urge the pulling rod 18 so as to always pull the pulling rod 18 downward.
[0009]
Thus, on the upper edge of the frame side plate 16, a switching engagement step portion 26 for engaging the connecting shaft 21 is arranged on a plurality of arcs, and any one of the plurality of switching engagement step portions 26 is provided. Is selectively engaged.
In this case, among the switching engagement step portions 26, the center switching engagement step portion 26a where the connecting shaft 21 is positioned vertically above the brush rotating shaft 6 is used as a reference step portion, and in this state, the left and right adjustment screws The shaft 19 is rotated so that the lower end of the rotating brush 3 is brought into contact with the upper surface of the front wall 27 of the seedling raising container A, the scraping amount is set to “zero”, and the switching is performed in the order of low in the front and rear sides of the center switching engagement step portion 26a The engaging step portion 26 is formed, the connecting shaft 21 is engaged with the switching engaging step portion 26, and the lower end of the rotary brush 3 is positioned below the upper surface of the front wall front wall 27 of the seedling container A, Scrape a predetermined amount of floor soil.
[0010]
Further, when the switching engagement step portion 26 of the embodiment is formed so as to alternately become lower on the front and rear sides with respect to the center switching engagement step portion 26a, the setting accuracy of the scraping amount is improved, which is preferable. It is.
That is, the brush rotating shaft 6 moves on an arc line centering on the rotating shaft 8 and on the arc line centering on the connecting shaft 21, so that the first brush is matched to the seedling container A having a different height. If the position of the rotary shaft 6 is changed, the amount of lowering with respect to the center switching engagement step portion 26a will not be constant when engaged with each switching engagement step portion 26. The precision of setting the scraping amount is improved by forming the switching engagement step portions 26 alternately lower on the front and rear sides with reference to the engagement step portions 26a. 26b is a first switching engagement step, 26c is a second switching engagement step, 26d is a third switching engagement step, and 26e is a fourth switching engagement step. The height of the rotating brush 3 is lowered so that the number of the brushes increases.
[0011]
Thus, a brush cover 30 is provided on the rear side of the rotating brush 3, the brush cover 30 is positioned below the connecting shaft 21 at a predetermined interval, and an operator's hand is inserted to connect the connecting shaft 21. It can be lifted.
The above-described configuration is arbitrary, and the height adjusting device 15 lifts the dial 22 or the connecting shaft 21 to selectively engage the connecting shaft 21 with the switching engagement step portion 26 to change the scraping amount. The scraping amount may be finely adjusted by moving the pulling rod 18 up and down with respect to the connecting shaft 21.
[0012]
[Action]
Next, the operation will be described.
A rotating brush 3 is provided above the transfer table 1 for transferring the seedling container A, the rotating brush 3 is mounted on the tip of a pair of left and right mounting arms 7, and the mounting arm 7 is rotatably mounted on the transfer table 1 and rotated. The brush 3 includes a pulling rod 18 attached to the brush rotating shaft 6, an adjusting screw shaft 19 having a dial 22 for moving the pulling rod 18 up and down, a connecting shaft 21 connecting the left and right adjusting screw shafts 19, and a transfer table 1. Since the height adjusting device 15 including the switching engaging step portion 26 that engages and supports the connecting shaft 21 formed on the frame side plate 16 provided on the frame side plate 16 is provided, the height adjusting device 15 is connected to any switching engaging step portion 26. With the shaft 21 engaged, the left and right adjusting screw shafts 19 are rotated so that the lower end of the rotating brush 3 is brought into contact with the upper surface of the front wall 27 of the seedling container A, the scraping amount is set to “zero”, and then Hold the dial 22 or connecting shaft 21 and move upward When the connecting shaft 21 is engaged with another switching engagement step 26 that is lower than the switching engagement step 26, the first switching engagement step 26 and the next switching engagement step 26 Accordingly, the tow rod 18 is lowered, and the brush rotating shaft 6 is also lowered, so that the rotating brush 3 is set to a predetermined height.
[0013]
In this state, when the seedling container A to which the floor soil has been supplied is supplied to the transfer table 1, it is transferred by the transfer roll 2 and scraped off by a predetermined amount when passing under the rotating brush 3.
Therefore, when changing the scraping amount, when the connecting shaft 21 is engaged with another switching engaging step portion 26 among the plurality of switching engaging step portions 26, the connecting shaft 21 is thereby adjusted. The shaft 19 is moved up and down, the adjusting screw shaft 19 moves the traction rod 18 up and down, and the traction rod 18 moves the brush rotating shaft 6 up and down to change the height of the rotating brush 3 and change the scraping amount.
[0014]
Further, when using the seedling raising container A having different heights, as described above, the left and right adjusting screw shafts 19 are moved with the connecting shaft 21 engaged with any of the switching engaging step portions 26. Rotate to bring the lower end of the rotating brush 3 into contact with the upper surface of the front wall 27 of the seedling container A, set the scraping amount to “zero”, and then hold the dial 22 or the connecting shaft 21 and lift it upward to switch The connecting shaft 21 is engaged with another switching engagement step portion 26 lower than the engagement step portion 26, and the rotary brush 3 is set to a predetermined height.
In this case, a plurality of the switching engagement step portions 26 are arranged on the arc at the upper edges of the pair of left and right frame side plates 16 provided on the transfer table 1, so that the space for forming the switching engagement step portion 26 is formed. Therefore, the change range can be widened.
[0015]
That is, since the switching engaging step 26 is provided on the fixed frame side plate 16, the space can be widened.
The brush rotation shaft 6 moves on an arc line centering on the rotation axis 8 and on the arc line centering on the connection shaft 21. The position of the brush rotating shaft 6 changes up and down, and the step of each switching engaging step 26 is not proportional to the descending amount of the brush rotating shaft 6.
For this reason, among the switching engagement step portions 26, the center switching engagement step portion 26a in which the brush rotating shaft 6 and the connecting shaft 21 are vertically positioned is used as a reference step portion, and in this state, the left and right adjustment screws The shaft 19 is rotated to bring the lower end of the rotating brush 3 into contact with the upper surface of the front wall 27 of the front wall of the seedling container A, and the scraping amount is adjusted to be “zero”. The switching engagement step portion 26 that is lower than the center switching engagement step portion 26a is formed on the front and rear sides.
[0016]
Therefore, the lower end of the rotary brush 3 is positioned below the upper surface of the front wall 27 of the seedling raising container A by engaging with the switching engagement step portion 26 lower than the “zero setting” center switching engagement step portion 26a. Scrape a predetermined amount of floor soil.
In this case, the switching engagement step portion 26 of the embodiment is formed so as to be alternately lowered on the front and rear sides with respect to the center switching engagement step portion 26a. The change in the amount of movement of the brush rotating shaft 6 that moves in an arc around two points is minimized to improve the accuracy of setting the scraping amount. That is, as an example, when the four-step switching engagement step portion 26 of 7 mm, 10 mm, 12 mm, and 15 mm is formed, 15 mm (fourth switching engagement step portion 26 b), 12 mm (fourth switching engagement step portion 26 b) from the rear side view. Three switching engagement step portions 26b), 0 mm (center switching engagement step portion 26a), 7 mm (first switching engagement step portion 26b), and 10 mm (second switching engagement step portion 26b). Therefore, the shift between the switching engagement step portions 26 is also reduced.
[0017]
In side view, 15 mm (fourth switching engagement step 26 b), 10 mm (second switching engagement step 26 b), 0 mm (center switching engagement step 26 a), 7 mm (first switching engagement) The stepped portion 26b) and 12 mm (third switching engagement stepped portion 26b) may be formed in this order.
Since the pulling rod 18 is always pulled downward by the spring 25, when the adjusting screw shaft 19 is rotated to lower the pulling rod 18, the pulling rod 18 is lowered by the elasticity of the spring 25. When the screw shaft 19 is rotated in the reverse direction, the pulling rod 18 is moved up against the elasticity of the spring 25.
In this case, since the lower part of the adjusting screw shaft 19 is screwed onto the upper part of the pulling rod 18, when the dial 22 is rotated, the pulling rod 18 moves up and down with respect to the adjusting screw shaft 19.
[0018]
Since the adjusting screw shaft 19 below the connecting shaft 21 is provided with an engaging nut 23, when the dial 22 is lifted, the connecting shaft 21 is moved upward by the engaging nut 23, and not only the connecting shaft 21, The scraping amount of the rotating brush 3 can be changed by lifting the connecting shaft 21 with the left and right dials 22 and engaging with the other switching engaging step 26.
Further, since the lock nut 24 is screwed onto the adjusting screw shaft 19 below the screwing nut 20 fixed to the pulling rod 18, once it is adjusted, no deviation occurs.
[0019]
【effect】
In the present invention, a rotating brush 3 is provided above the transfer table 1 for transferring the seedling container A and is pivotally mounted on the tips of a pair of left and right mounting arms 7 that are rotatably provided on the transfer table 1. attaching a pair of traction rods 18 of both ends of the brush rotation axis 6, the traction rod 18 is mounted for vertical movement in the adjustment screw shaft 19 having a dial 22, the left and right adjustment screw shaft 19 is connected by a connecting shaft 21, The transfer table 1 is provided with a pair of left and right frame side plates 16, and a switching engagement step portion 26 having a different height for supporting the connecting shaft 21 from above is supported on the upper portion of the frame side plate 16 in the front-rear direction. Since a plurality of rotary brush adjusting devices are provided in the above, the space for forming the switching engagement step portion 26 is increased, and the change range can be widened.
The present invention is characterized in that the brush rotation axis 6 is arranged to arc movement to centering on the rotating shaft 8 for mounting the mounting arm 7 to the transfer table 1, of the switching engagement Godan unit 26, the brush rotation axis The switching step provided on either the front or rear side of the center switching engagement step 26a is a center switching engagement step 26a in which the shaft 6 and the connecting shaft 21 are vertically positioned. The portion 26 is a first switching engagement step portion 26b that is lower than the center switching engagement step portion 26a, and the switching member provided on either the front or rear side of the center switching engagement step portion 26a. The switching located on the front and rear sides of the center switching engagement step 26a so that the joint step 26 is a second switching engagement step 26c that is lower than the first switching engagement step 26b. der what use engaging Godan 26 which was adjusting device of the rotating brush in which a plurality arrangement order low back and forth respectively From improving the change accuracy.
[Brief description of the drawings]
FIG. 1 is a side view.
FIG. 2 is a front view.
FIG. 3 is a side view of a frame side plate.
FIG. 4 is a partial front view of the height adjusting device.
FIG. 5 is a sectional view showing an adjustment state.
FIG. 6 is a partial perspective view of the height adjusting device.
FIG. 7 is a known example diagram.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Transfer stand, 2 ... Transfer roll, 3 ... Rotating brush, 4 ... Floor soil, 6 ... Brush rotating shaft, 7 ... Mounting arm, 8 ... Rotating shaft, 9 ... Gear, 15 ... Height adjusting device, 16 ... Frame Side plate, 17 ... insertion hole, 18 ... pulling rod, 19 ... adjusting screw shaft, 20 ... nut for screwing, 21 ... connecting shaft, 22 ... dial, 23 ... nut for engagement, 24 ... nut for locking, 25 ... spring, 26 ... switching stepped portion, 27 ... front wall, 30 ... brush cover.

Claims (2)

育苗容器Ａを移送する移送台１の上方に、該移送台１に回動自在に設けた左右一対の取付アーム７の先端に軸装した回転ブラシ３を設け、該回転ブラシ３のブラシ回転軸６の両端に一対の牽引ロッド１８を取付け、各牽引ロッド１８はダイヤル２２を有する調節螺子軸１９に上下移動自在に取付け、左右の調節螺子軸１９は連結軸２１により連結し、前記移送台１には左右一対のフレーム側板１６を設け、該フレーム側板１６の上部に前記連結軸２１を上方から係合させて支持する高さの相違する切替用係合段部２６を前後方向に複数設けた回転ブラシの調節装置。Above the transfer table 1 for transferring the seedling container A, there is provided a rotating brush 3 that is pivotally mounted on the tips of a pair of left and right mounting arms 7 that are rotatably provided on the transfer table 1. attaching a pair of traction rods 18 at both ends of 6, the traction rod 18 is mounted for vertical movement in the adjustment screw shaft 19 having a dial 22, the left and right adjustment screw shaft 19 is connected by a connecting shaft 21, the transfer table 1 A pair of left and right frame side plates 16 is provided, and a plurality of switching engaging step portions 26 having different heights are provided in the front-rear direction for engaging the connecting shaft 21 from above and supporting the connection shaft 21 from above. Rotary brush adjustment device. 請求項１において、前記ブラシ回転軸６は取付アーム７を移送台１に取付ける回転軸８を中心とする円弧移動するように構成し、前記切替用係合段部２６のうち、前記ブラシ回転軸６と連結軸２１とが鉛直上に位置する中央切替用係合段部２６ａを基準段部とし、前記中央切替用係合段部２６ａの前後側の何れか一方に設けた切替用係合段部２６を、前記中央切替用係合段部２６ａよりも低くい第一切替用係合段部２６ｂとし、前記中央切替用係合段部２６ａの前後側の何れか他方に設けた切替用係合段部２６を、前記第一切替用係合段部２６ｂよりも低くい第二切替用係合段部２６ｃとするように、前記中央切替用係合段部２６ａの前後側に位置する切替用係合段部２６は夫々前後に順に低く複数配置構成した回転ブラシの調節装置。According to claim 1, wherein the brush rotation axis 6 is arranged to arc movement to centering on the rotating shaft 8 for mounting the mounting arm 7 to the transfer table 1, of the switching engagement Godan unit 26, the brush rotation The switching engagement provided on either one of the front and rear sides of the center switching engagement step 26a, with the center switching engagement step 26a in which the shaft 6 and the connecting shaft 21 are positioned vertically above as a reference step. The step 26 is a first switching engagement step 26b that is lower than the center switching engagement step 26a, and the switching is provided on either the front or back side of the center switching engagement step 26a. The engagement step portion 26 is positioned on the front and rear sides of the center switching engagement step portion 26a so as to be a second switching engagement step portion 26c lower than the first switching engagement step portion 26b. The switching brush stepping device 26 is a rotating brush adjusting device in which a plurality of switching step portions 26 are arranged in the order of the front and rear .
JP2000247261A 2000-08-17 2000-08-17 Rotating brush adjustment device Expired - Lifetime JP4600899B2 (en)

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JP4840768B2 (en) * 2006-06-21 2011-12-21 みのる産業株式会社 Vacuum seeder
JP4905943B2 (en) * 2006-09-29 2012-03-28 株式会社スズテック Corner floor soil pressing device for nursery box and setting method thereof
KR100942135B1 (en) * 2008-02-21 2010-02-16 구진섭 A roller brush in devoce rice of Height adjusting apparatus
KR102677746B1 (en) * 2023-08-23 2024-06-25 구진섭 Bed soil arrange apparatus for seedling box with easy height adjustment of bed soil

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JPH0580214U (en) * 1992-04-06 1993-11-02 ヤンマー農機株式会社 Pot restraining device in leveling device
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JP2001258401A (en) * 2000-03-24 2001-09-25 Suzutec Co Ltd Leveling apparatus

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JPS63101024U (en) * 1986-12-20 1988-06-30
JPH0448915U (en) * 1990-08-25 1992-04-24
JPH0580214U (en) * 1992-04-06 1993-11-02 ヤンマー農機株式会社 Pot restraining device in leveling device
JPH10276589A (en) * 1997-04-04 1998-10-20 Kubota Corp Sowing plant
JPH11113324A (en) * 1997-10-13 1999-04-27 Suzutec Co Ltd Sowing apparatus
JP2001258401A (en) * 2000-03-24 2001-09-25 Suzutec Co Ltd Leveling apparatus

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