JP2528211B2 - Seedling box feeder for transplanter - Google Patents

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明は、移植機の苗箱送り装置に関するものであ
る。TECHNICAL FIELD The present invention relates to a seedling box feeder for a transplanter.

（従来の技術） 野菜等のポット苗を移植する畑地用の移植機におい
て、縦横に多数のポット部を備えた苗箱を苗箱案内手段
に装填した後、苗箱送り手段により苗箱を苗箱案内手段
に沿って上方から下方へと一ピッチづつ間欠的に送り、
この苗箱の横一列のポット部の苗を苗押出し手段により
横送り手段上に押出し、横送り手段の間欠動作により各
苗を植付手段に１個づつ供給して植付けて行くようにし
たものがある。(Prior Art) In a transplanter for transplanting potted seedlings of vegetables, etc., after loading a seedling box having a large number of pots vertically and horizontally into the seedling box guiding means, the seedling box feeding means is used to put the seedling box into a seedling. It feeds intermittently from the top to the bottom along the box guiding means by one pitch,
The seedlings in the horizontal row of pots of this seedling box are extruded onto the lateral feeding means by the seedling pushing means, and each seedling is supplied to the planting means one by one by the intermittent operation of the lateral feeding means so as to be planted. There is.

苗箱送り手段は上下に往復動自在な送り爪を備え、こ
の送り爪を苗箱の一端部に形成された送り爪に係合させ
て、その下降時に苗箱を苗箱案内手段に沿って下方に１
ピッチ分だけ送るようになっている。The seedling box feeding means is provided with a vertically movable reciprocating feeding claw, and this feeding claw is engaged with a feeding claw formed at one end of the seedling box, and when descending, the seedling box is guided along the seedling box guiding means. 1 down
It is designed to send only the pitch.

（発明が解決しようとする課題） 従来の移植機では、苗箱の送り孔に送り爪が係合する
だけであるため、その係脱を容易にすべく送り孔を上下
方向に長孔状にした場合、送り後に苗箱がポット部内の
苗の床土部の重量、或いは機械的振動等に伴って下方に
下がり、ポット部が苗押出し手段からずれることがあ
る。このため苗押出し手段を動作させても、苗の床土部
を確実に押すことができず、苗の押出し方向が乱れたり
押出し不能に陥る惧れがある。(Problems to be Solved by the Invention) In the conventional transplanter, since the feed claws only engage with the feed holes of the seedling box, the feed holes are vertically elongated to facilitate engagement and disengagement. In such a case, the seedling box may be lowered after the feeding due to the weight of the bed soil of the seedling in the pot portion, mechanical vibration, or the like, and the pot portion may be displaced from the seedling pushing means. For this reason, even if the seedling pushing-out means is operated, the bed soil of the seedlings cannot be pushed reliably, and the pushing-out direction of the seedlings may be disturbed or the seedlings may be unable to be pushed out.

本発明は、かかる点に鑑み、苗箱を送り位置で確実に
位置決めできるようにすることを目的として提供された
ものである。In view of such a point, the present invention is provided for the purpose of surely positioning the seedling box at the feed position.

（課題を解決するための手段） 本発明は、苗箱案内手段５に苗箱14を装填し、苗箱送
り手段６の送り爪29を苗箱14の送り孔23に係脱自在に係
合させて、この送り爪29の下降時に苗箱14を苗箱案内手
段５に沿って下方に１ピッチだけ送るようにした移植機
において、送り爪29の上昇時に送り孔23から離脱しかつ
下降時に送り孔23に嵌合すべく送り爪29の上下動に連動
して送り孔23に嵌脱自在な規制爪31を設け、送り爪29が
苗箱14を１ピッチ分送った時に、送り孔23の上縁側に係
合する位置で規制爪31を係止するストッパー35を設けた
ものである。(Means for Solving the Problem) In the present invention, the seedling box guiding means 5 is loaded with the seedling box 14, and the feeding claws 29 of the seedling box feeding means 6 are detachably engaged with the feeding holes 23 of the seedling box 14. Thus, in the transplanter in which the seedling box 14 is fed downward by one pitch along the seedling box guide means 5 when the feed claw 29 descends, when the feed claw 29 rises, it separates from the feed hole 23 and when descending. In order to fit into the feed hole 23, a regulating claw 31 that can be freely inserted into and removed from the feed hole 23 is provided in conjunction with the vertical movement of the feed claw 29, and when the feed claw 29 feeds the seedling box 14 by one pitch, the feed hole 23 The stopper 35 is provided to lock the restriction claw 31 at a position where it engages with the upper edge side.

（作用） 苗箱14を送る際には、苗箱送り手段６の送り爪29を上
下に往復動させ、その下降時に送り爪29を苗箱14の送り
孔23に係合させて１ピッチ分づつ下方に送って行く。(Operation) When the seedling box 14 is fed, the feeding claw 29 of the seedling box feeding means 6 is reciprocally moved up and down, and when it descends, the feeding claw 29 is engaged with the feeding hole 23 of the seedling box 14 for one pitch. Send them down one by one.

この送り爪29の下降時に、これに連動して規制爪31が
送り孔23に嵌合する。そして、送り爪29が下限まで下降
した時に規制爪31がストッパー35に係止され、送り孔23
の上縁に係合した状態となる。When the feeding claw 29 descends, the regulating claw 31 is fitted into the feeding hole 23 in conjunction with this. When the feed claw 29 is lowered to the lower limit, the regulating claw 31 is locked by the stopper 35, and the feed hole 23
The upper edge is engaged.

従って、送り孔23に送り爪29と規制爪31が上下に係合
するため、苗箱14を送り位置で確実に位置決めできる。Therefore, since the feed claw 29 and the regulating claw 31 are vertically engaged with the feed hole 23, the seedling box 14 can be reliably positioned at the feed position.

（実施例） 以下、本発明の実施例を図面に基いて詳述すると、第
１図及び第２図において、１は圃場の畝で、マルチフイ
ルム２で被覆されており、この畝１を跨いで移植機３が
走行するようになっている。(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings. In FIGS. 1 and 2, reference numeral 1 denotes a field ridge, which is covered with a multi-film 2, and which straddles the ridge 1. And the transplanter 3 runs.

移植機３は歩行型であって、機体４の後部一側に苗箱
案内手段５、苗箱送り手段６、苗押出し手段７、横送り
手段８及び植付け手段９等を備えて成る。機体４は前端
部の一側に前輪10、後部の両側に後輪11を備え、中央部
に搭載されたエンジン12の動力により後輪11を駆動して
走行するようになっている。機体４の後端中央部側には
ハンドル13が設けられている。The transplanting machine 3 is a walking type, and includes a seedling box guiding means 5, a seedling box feeding means 6, a seedling pushing means 7, a lateral feeding means 8, a planting means 9 and the like on one side of a rear portion of the body 4. The fuselage 4 includes a front wheel 10 on one side of a front end portion and a rear wheel 11 on both sides of a rear portion, and runs by driving the rear wheel 11 by the power of an engine 12 mounted in a central portion. A handle 13 is provided at the center of the rear end of the body 4.

苗箱案内手段５は苗箱14を上方から下方に案内するた
めのものであって、第３図乃至第５図に示すように、円
弧状に弯曲形成された案内板15と、この案内板15の左右
両側に弯曲状に固着された断面逆Ｌ字状の案内側板16
と、各案内側板16の内側に固定された円弧状の案内片17
とを備えて成る。案内板15には、苗箱案内手段５に装填
される苗箱14を下側から受けて案内するように２本の案
内棒18が後斜め上方に突設されている。なお、案内板15
には、案内棒18に連続して補強兼用の案内リブ19が２個
設けられている。案内板15は矩形状の取付枠20と２個の
支持板21を介して機体４に固定されている。The seedling box guiding means 5 is for guiding the seedling box 14 from the upper side to the lower side, and as shown in FIGS. 3 to 5, a guide plate 15 curved in an arc shape, and this guide plate. A guide side plate 16 having a reverse L-shape in cross section, which is fixed to both left and right sides of 15 in a curved shape.
And an arc-shaped guide piece 17 fixed inside each guide side plate 16
And. The guide plate 15 is provided with two guide rods 18 projecting obliquely upward and rearward so as to receive and guide the seedling box 14 loaded in the seedling box guiding means 5 from below. In addition, guide plate 15
Is provided with two guide ribs 19 which also serve as reinforcements, continuous with the guide rod 18. The guide plate 15 is fixed to the machine body 4 via a rectangular mounting frame 20 and two support plates 21.

苗箱14は薄いプラスチック製であって、第６図に示す
如く縦横に多数のポット部22を有すると共に、左右両端
部に縦方向にポット部22と等ピッチに送り孔23が形成さ
れている。各送り孔23はポット部22の中心に一致するよ
うに設けられ、また各ポット部22の底部には押出用孔24
が形成されている。そして、苗箱14は左右両端縁部が案
内側板16の押え部16aと案内片17との間に入るように苗
箱案内手段５に装填され、ポット部22の底面が案内板15
上を摺動するように案内板15に沿って案内される。The seedling box 14 is made of thin plastic and has a large number of pot portions 22 in the vertical and horizontal directions as shown in FIG. 6, and feed holes 23 are formed in the left and right ends at the same pitch in the vertical direction as the pot portions 22. . Each feed hole 23 is provided so as to coincide with the center of the pot portion 22, and an extrusion hole 24 is provided at the bottom of each pot portion 22.
Are formed. The seedling box 14 is loaded into the seedling box guiding means 5 such that both right and left edges are located between the holding portion 16a of the guiding side plate 16 and the guiding piece 17, and the bottom of the pot portion 22 is
It is guided along the guide plate 15 so as to slide on the upper side.

苗箱送り手段６は、苗箱案内手段５に装填された苗箱
14を１ピッチづつ上方から下方へと間欠的に送るための
ものである。苗押出し手段７は苗箱14の横一列の苗25を
同時に横送り手段８上に押出すためのものである。そし
て、これら苗箱送り手段６及び苗押出し手段７は、苗箱
案内手段５の弯曲部の内側において、苗押出し手段７が
中央に、その左右両側に苗箱送り手段６が夫々位置する
ように配置されている。The seedling box feeding means 6 is a seedling box loaded in the seedling box guiding means 5.
It is for intermittently feeding 14 from the upper side to the lower side by one pitch. The seedling pushing means 7 is for simultaneously pushing one row of seedlings 25 in the seedling box 14 onto the transverse feeding means 8. The seedling box feeding means 6 and the seedling pushing means 7 are arranged such that the seedling pushing means 7 is located at the center and the seedling box feeding means 6 are located on the left and right sides thereof, respectively, inside the curved portion of the seedling box guiding means 5. It is arranged.

苗箱送り手段６は、第３図及び第４図に示すように、
支持板21に挿支された回動軸26と、回動軸26の両端に上
下揺動自在に固定された送りアーム27と、各送りアーム
27の先端にピン28で枢着された送り爪29と、各送り爪29
に連動して送り孔23に嵌脱するように、各送り爪29にピ
ン30で枢着された規制爪31とを備えている。送り爪29
は、送りアーム27との間に装架されたつる送状のバネ32
により、爪部33が苗箱14の送り孔23に係脱自在に係合す
るように付勢されており、送りアーム27の下降時に送り
孔23の下縁に係合して苗箱14を下方に１ピッチだけ送る
ようになっている。規制爪31は苗箱14の送り位置でその
送り孔23の上縁に係合して苗箱14の下方へのずれを規制
するためのものであり、送り爪29が上昇する時にその係
合ピン34により上方に持上げられ、かつ送り爪29が下限
まで下降した時に、取付枠20のストッパー35に当接して
送り孔23の上縁に係合すべく係止されるようになってい
る。なお、送り爪29、規制爪31の先端は、案内側板16の
押え部16aに形成された長孔36に嵌脱自在である。また
長孔36の下端は、爪部33が係合した時にポット部22が苗
押出し手段７の中心と一致するように、その中心から送
り孔23の長さの半分だけ苗押出し手段７の中心高さより
も低くなっている。各送りアーム27はレバー37と取付枠
20側との間に掛装されたバネ38により下方に付勢され、
また一方のレバー37にはカムローラ39が取付けられてい
る。The seedling box feeding means 6 is, as shown in FIGS. 3 and 4,
A rotary shaft 26 inserted into and supported by the support plate 21, a feed arm 27 fixed to both ends of the rotary shaft 26 so as to be vertically swingable, and each feed arm.
Feed claws 29 pivotally attached to the tip of 27 with pins 28, and each feed claw 29
Each feeding claw 29 is provided with a regulating claw 31 pivotally attached by a pin 30 so as to be fitted into and removed from the feeding hole 23 in conjunction with. Feeding claw 29
Is a spiral-shaped spring 32 mounted between the feed arm 27 and
The claw portion 33 is urged so as to engage with the feed hole 23 of the seedling box 14 in a detachable manner, and engages with the lower edge of the feed hole 23 when the feed arm 27 descends to move the seedling box 14 to the seed box 14. It is designed to send only one pitch downward. The regulating claw 31 is for engaging the upper edge of the feeding hole 23 at the feeding position of the seedling box 14 to regulate the downward shift of the seedling box 14, and the engagement when the feeding claw 29 rises. When it is lifted up by the pin 34 and the feed claw 29 is lowered to the lower limit, it comes into contact with the stopper 35 of the mounting frame 20 and is locked so as to engage with the upper edge of the feed hole 23. The tip ends of the feed claw 29 and the regulation claw 31 can be freely inserted into and removed from a long hole 36 formed in the holding portion 16a of the guide side plate 16. Further, the lower end of the long hole 36 is located at the center of the seedling pushing means 7 from the center thereof so that the pot portion 22 coincides with the center of the seedling pushing means 7 when the claw portion 33 is engaged. It is lower than the height. Each feed arm 27 has a lever 37 and mounting frame
It is urged downward by a spring 38 that is hung between the 20 side and
A cam roller 39 is attached to one lever 37.

苗押出し手段７は、第３図及び第５図に示すように、
苗箱14の横一列の各ポット部22に対応して横一列に配置
されたポット部数（実施例では７個）と同数の押出し棒
40を備え、この各押出し棒40は押出し枠41に前方に突出
すべく取付けられている。押出し枠41は支持板21に固定
された左右一対のガイド棒42により前後摺動自在に支持
案内され、また押出し枠41は支持板21に挿支された回動
軸43の押出しアーム44にロッド45を介して連結されてい
る。なお、案内板15には各押出し棒40に対応して開口46
が形成され、また押出しアーム44は取付枠20側との間に
掛装されたバネ46aにより、押出し棒40が案内板15より
も後側に引込むように後方に付勢されている。回動軸43
にはカムローラ47を有するレバー48が固定されている。
カムローラ39,47は左右に近接した位置に配置され、こ
の各カムローラ39,47に対応する苗箱送りカム49と苗押
出しカム50とがカム軸51に固定されている。カム軸51は
支持板21に回転自在に挿支されると共に、大径ギヤー52
を有し、その大径ギヤー52は駆動軸53の小径ギヤー54と
咬合する。駆動軸53は伝動ケース55内の巻掛伝動機構56
を介してエンジン12側に連動連結されている。なお、カ
ム49,50は苗箱送り手段６の送り動作完了後に苗押出し
手段７が押出し動作をするような位相関係でカム軸51に
取付けられている。また駆動軸53は支持板21に挿支され
ている。The seedling pushing means 7 is, as shown in FIGS. 3 and 5,
The same number of extrusion rods as the number of pots (seven in the embodiment) arranged in a row corresponding to each pot 22 in a row of the seedling box 14
Each of the push rods 40 is attached to an extrusion frame 41 so as to protrude forward. The extrusion frame 41 is supported and guided slidably back and forth by a pair of left and right guide rods 42 fixed to the support plate 21, and the extrusion frame 41 is connected to an extrusion arm 44 of a rotating shaft 43 inserted and supported by the support plate 21. Connected via 45. The guide plate 15 has an opening 46 corresponding to each push rod 40.
The push-out arm 44 is biased rearward by a spring 46a mounted between the push-out arm 44 and the mounting frame 20 so that the push-out rod 40 is pulled rearward of the guide plate 15. Rotating shaft 43
A lever 48 having a cam roller 47 is fixed to.
The cam rollers 39, 47 are arranged at positions close to each other on the left and right. A seedling box feed cam 49 and a seedling pushing cam 50 corresponding to the cam rollers 39, 47 are fixed to the cam shaft 51. The cam shaft 51 is rotatably supported by the support plate 21 and has a large-diameter gear 52.
The large diameter gear 52 meshes with the small diameter gear 54 of the drive shaft 53. The drive shaft 53 is a winding transmission mechanism 56 in a transmission case 55.
Is linked to the engine 12 side via. The cams 49, 50 are attached to the cam shaft 51 in such a phase relationship that the seedling pushing means 7 pushes out after the feeding operation of the seedling box feeding means 6 is completed. The drive shaft 53 is inserted into and supported by the support plate 21.

横送り手段８は苗押出し手段７の各押出し棒40により
苗箱14の横一列のポット部22から押出された苗Ａを受け
て植付け手段９に１個づつ間欠的に供給するためのもの
である。この横送り手段８は、第３図、第５図、第７図
及び第８図に示すように、左右一対のスプロケット57,5
8間に巻掛けられたチェーン59と、チェーン59の後方近
傍に配置された長円案内板60と、チェーン59のブラケッ
ト61に等間隔おきにピン62で枢支され、かつ長円案内板
60外周により摺動自在に案内される苗受具63とを備えて
成る。長円案内板60には、植付け手段９に対応する位置
に、苗受具63をピン62廻りに傾斜させてその上の苗Ａを
植付け手段９に落込むように切欠部60aが形成されてい
る。一方のスプロケット57は第９図に示すように、前後
方向の伝動軸64、ギヤーボックス66内のベベルギヤ機構
67を介して横方向の伝動軸68に連動連結されている。ま
た伝動軸68は第３図、第５図に示すように、ゼネバ機構
69を介して駆動軸53に連動連結されている。ゼネバ機構
69は４個の係合凹部70を有する伝動軸68側のゼネバギヤ
ー71と、２個の係合ピン72を有する駆動軸53側のゼネバ
ホイール73とから成る。また小径ギヤー54と大径ギヤー
52とは１対3.5のギヤー比になっている。そして、苗箱
送り手段６及び苗押出し手段７と横送り手段８は、苗箱
送り手段６等の１動作に対して横送り手段８が横一列の
ポット部数だけ間欠的に送り動作するように、ゼネバ機
構69、ギヤー52,54等を介して互いに同期して連動され
ている。The transverse feeding means 8 is for receiving the seedlings A extruded from the row of pot portions 22 of the seedling box 14 by the pushing rods 40 of the seedling pushing means 7 and intermittently supplying them to the planting means 9 one by one. is there. As shown in FIG. 3, FIG. 5, FIG. 7, and FIG.
A chain 59 wound between eight, an elliptical guide plate 60 arranged near the rear of the chain 59, and a bracket 61 of the chain 59 which is pivotally supported by pins 62 at equal intervals, and which has an elliptical guide plate.
60 A seedling receiving part 63 slidably guided by the outer circumference. On the oval guide plate 60, a notch 60a is formed at a position corresponding to the planting means 9 so that the seedling receiver 63 is tilted around the pin 62 and the seedling A thereon is dropped into the planting means 9. As shown in FIG. 9, one sprocket 57 has a front and rear transmission shaft 64 and a bevel gear mechanism in a gear box 66.
It is interlockingly connected to a lateral transmission shaft 68 via 67. The transmission shaft 68 is, as shown in FIGS. 3 and 5, a Geneva mechanism.
It is interlockingly connected to the drive shaft 53 via 69. Geneva mechanism
69 includes a Geneva gear 71 on the transmission shaft 68 side having four engaging recesses 70 and a Geneva wheel 73 on the drive shaft 53 side having two engaging pins 72. Small diameter gear 54 and large diameter gear
52 has a gear ratio of 1: 3.5. The seedling box feeding means 6, the seedling pushing means 7, and the lateral feeding means 8 are arranged such that the lateral feeding means 8 intermittently feeds the horizontal number of pots for one operation of the seedling box feeding means 6 and the like. , Geneva mechanism 69, gears 52, 54, etc., and are interlocked in synchronization with each other.

各苗受具63は第８図に示すように幅方向の一側にのみ
折曲げ縁63aを設けたものである。従って、この苗受具6
3は両側に折曲げ縁を備えたものに比べて苗受け面積が
大であり、また苗受具63相互間で苗Ａを挟む等の惧れも
少ない。As shown in FIG. 8, each seedling support 63 is provided with a bent edge 63a only on one side in the width direction. Therefore, this seedling receiver 6
No. 3 has a larger seedling receiving area than the one having bent edges on both sides, and there is little fear of sandwiching the seedling A between the seedling receiving devices 63.

植付け手段９は昇降自在な植付け筒86を有し、その下
降時に畝１上のマルチフイルム２を溶断した後、作穴し
て苗Ａを植付けるようになっている。なお、この植付け
手段９には覆土兼用の押え輪等が設けられている。The planting means 9 has a vertically movable planting tube 86, and when the planting means 9 is lowered, the multi-film 2 on the ridge 1 is melted and cut, and then a hole is made to plant the seedling A. Note that the planting means 9 is provided with a presser wheel and the like which also serve as soil covering.

この移植機３を用いて苗Ａの移植作業を行う場合に
は、ポット部22にて苗Ａを育苗した苗箱14を苗箱案内手
段５に上方から装填し、第１図及び第２図の如く畝１を
跨いだ状態で走行しながら各部を作動させて行く。これ
によって苗箱14の苗Ａを１個づつ植付け手段９により畝
１の肩部に自動的に植付けることができ、従って、往復
すれば、第10図に示すように畝１の両肩部に苗Ａを夫々
植付けることができる。When the transplanting operation of the seedlings A is performed by using the transplanting machine 3, the seedling box 14 in which the seedlings A have been raised in the pot portion 22 is loaded into the seedling box guiding means 5 from above, and FIG. 1 and FIG. Each part is operated while running while straddling the ridge 1 as shown in FIG. As a result, the seedlings A in the seedling box 14 can be automatically planted one by one on the shoulders of the ridges 1 by the planting means 9, and therefore, when reciprocating, as shown in FIG. Seedlings A can be planted in each.

移植作業時には、苗箱送り手段６が苗箱14を１ピッチ
づつ下方に送り、その送り動作後に苗押出し手段67が苗
箱14の横一列のポット部22の苗Ａを前方の横送り手段８
上に押出す。そして、苗箱送り手段６等の１動作毎に横
送り手段８が間欠的に７回動作して、その苗受具63上の
各苗Ａを順次植付け手段９の植付け筒86へと供給する。During the transplanting operation, the seedling box feeding means 6 feeds the seedling box 14 downward by one pitch, and after the feeding operation, the seedling pushing means 67 feeds the seedlings A in the pots 22 in a row in the row of the seedling box 14 to the front lateral feeding means 8.
Extrude up. Then, the transverse feeding means 8 intermittently operates seven times for each operation of the seedling box feeding means 6 and the like, and sequentially supplies each seedling A on the seedling receiving device 63 to the planting cylinder 86 of the planting means 9. .

即ち、駆動軸53がａ矢示方向に回転すると、先ず苗箱
送りカム49がカムローラ39に作用し、送りアーム37が回
動軸26廻りに上方（ｂ矢示方向）に回動するので、送り
爪29の爪部33が苗箱14の送り孔23に係合する。そして、
カム49がカムローラ39から外れると、送りアーム37がバ
ネ38により戻されるので、送り爪29が下降し、送り孔23
に係合する爪部33が苗箱14を下方に引下げる。このため
苗箱14は苗箱案内手段５に沿って下方への１ピッチ分だ
け送られる。また、この送り爪29の下降時に規制爪31が
送り孔23に入るが、送り爪29が下限まで下降した時には
ストッパー35に当接して係止されるので、規制爪31が送
り孔23の上縁に係合する。故に苗箱14は送り後、その送
り孔23に送り爪29と規制爪31が上下から係合するため、
送り位置で位置決めされることになり、ポット部22内の
苗Ａの床土の重量、或いは機械的振動が苗箱14に加わっ
ても、上下にずれることはなく、各ポット部22を押出し
棒40に確実に一致させることができる。That is, when the drive shaft 53 rotates in the direction indicated by the arrow a, the seedling box feed cam 49 first acts on the cam roller 39, and the feed arm 37 rotates upward (in the direction indicated by the arrow b) about the rotation shaft 26. The claw portion 33 of the feed claw 29 engages with the feed hole 23 of the seedling box 14. And
When the cam 49 is disengaged from the cam roller 39, the feed arm 37 is returned by the spring 38, so that the feed claw 29 is lowered and the feed hole 23 is moved.
The claw part 33 engaging with the lower side pulls the seedling box 14 downward. Therefore, the seedling box 14 is fed downward by one pitch along the seedling box guiding means 5. Further, when the feed claw 29 descends, the regulating claw 31 enters the feed hole 23, but when the feed claw 29 descends to the lower limit, the regulating claw 31 comes into contact with the stopper 35 and is locked. Engage the rim. Therefore, after feeding the seedling box 14, since the feed claw 29 and the regulating claw 31 engage with the feed hole 23 from above and below,
It will be positioned at the feeding position, and even if the weight of the bed soil of the seedling A in the pot portion 22 or the mechanical vibration is applied to the seedling box 14, it does not shift up and down and each pot portion 22 is pushed out. You can definitely match 40.

苗箱送り動作が終わると、苗押出しカム50がカムロー
ラ47に作用し、押出しアーム44が回動軸43廻りに（ｃ矢
示方向）に回動するので、ロッド45を介して押出し枠41
がガイド棒42上で前方に押され、各押出し棒40が苗箱14
のポット部22の苗Ａをその床上側から押して前方に押出
す。このため横一列の苗Ａが同時に横送り手段８の各苗
受具63上に押出されて載置される。押出し後、押出し棒
40はバネ46によって戻る。When the seedling box feeding operation is completed, the seedling pushing cam 50 acts on the cam roller 47, and the pushing arm 44 turns around the turning shaft 43 (in the direction shown by the arrow c).
Are pushed forward on the guide rods 42, and each push rod 40 is
The seedling A of the pot portion 22 is pushed from above the floor and pushed forward. For this reason, a row of seedlings A is simultaneously extruded and placed on each seedling receiver 63 of the lateral feed means 8. After extrusion, push rod
40 is returned by spring 46.

一方、横送り手段８は苗箱送り手段６及び押出し手段
７に同期して、これらが夫々１回動作する毎に７回間欠
的に動作し、その苗受具63上の苗Ａを順次植付け手段９
へと供給する。つまり、ゼネバ機構69はゼネバホイール
73の１回転に対してゼネバギヤー71が苗受具63の４ピッ
チ分だけ回転し、またギヤー52,54側は小径ギヤー54の
3.5回転で大径ギヤー52が１回転するので、苗箱送り手
段６、苗押出し手段７の１回の動作に対して横送り手段
８が１ピッチづつ７回間欠的に動作し、苗Ａを順次送っ
て行く。On the other hand, the transverse feeding means 8 operates intermittently seven times each time they operate once in synchronism with the seedling box feeding means 6 and the pushing means 7, so that the seedlings A on the seedling receiver 63 are sequentially planted. Means 9
Supply to. In other words, the Geneva mechanism 69 is a Geneva wheel
For one rotation of 73, the Geneva gear 71 rotates by four pitches of the seedling receiving device 63, and the gears 52 and 54
Since the large-diameter gear 52 makes one rotation with 3.5 rotations, the transverse feeding means 8 intermittently operates seven times, one pitch at a time, with respect to one operation of the seedling box feeding means 6 and the seedling pushing out means 7, so that the seedling A can be removed. I will send them sequentially.

全ての苗Ａを押出した空の苗箱14は苗箱案内手段５の
下端から斜め下方に排出されて行く。The empty seedling box 14 from which all the seedlings A have been pushed out is discharged obliquely downward from the lower end of the seedling box guiding means 5.

なお、規制爪31は実施例では送り爪29に枢着されてい
るが、これに限定されるものではなく、送り爪29に連動
してその上昇時に送り孔23から外れかつ下降時に送り孔
23に嵌合する構成であれば、固定側の支持板21、取付枠
20等に枢着しても良い。Although the restricting pawl 31 is pivotally attached to the feed pawl 29 in the embodiment, the restricting pawl 31 is not limited to this, and is interlocked with the feed pawl 29 to disengage from the feed hole 23 when ascending and to the feed hole when descending.
If the configuration fits in 23, the fixed side support plate 21, the mounting frame
You may pivot at 20 mag.

（発明の効果） 本発明によれば、送り爪29の上昇時に送り孔23から離
脱しかつ下降時に送り孔23に嵌合すべく送り爪29の上下
動に連動して送り孔23に嵌脱自在な規制爪31を設け、送
り爪29が苗箱14を１ピッチ分送った時に、送り孔23の上
縁側に係合する位置で規制爪31を係止するストッパー35
を設けているので、苗箱14を送り位置で確実に位置決め
することができる。(Effects of the Invention) According to the present invention, the feed claw 29 is detached from the feed hole 23 when the feed claw 29 rises and is fitted into the feed hole 23 in conjunction with the vertical movement of the feed claw 29 so as to be fitted into the feed hole 23 when the feed claw 29 descends. A stopper 35 that locks the regulating pawl 31 at a position where the feeding pawl 29 engages with the upper edge side of the feeding hole 23 when the feeding pawl 29 feeds the seedling box 14 for one pitch by providing a free regulating pawl 31.
Since the seed box 14 is provided, the seedling box 14 can be reliably positioned at the feed position.

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

図面は本発明の一実施例を示し、第１図は移植機の平面
図、第２図は同側面図、第３図は要部の横断面図、第４
図及び第５図は同側断面図、第６図は同一部切欠正面
図、第７図は横送り手段の正面図、第８図はその要部拡
大図、第９図は伝動系の構成図、第10図は植付け状態の
断面図である。 ３…移植機、５…苗箱案内手段、６…苗箱案内手段、７
…苗押出し手段、８…横送り手段、９…移植手段、14…
苗箱、23…送り孔、29…送り爪、31…規制爪、35…スト
ッパー。1 shows an embodiment of the present invention, FIG. 1 is a plan view of an implanter, FIG. 2 is a side view thereof, FIG.
FIGS. 5 and 5 are sectional views of the same side, FIG. 6 is a cutaway front view of the same portion, FIG. 7 is a front view of the transverse feed means, FIG. 8 is an enlarged view of the main parts thereof, and FIG. 9 is a structure of a transmission system. FIG. 10 is a cross-sectional view of the planted state. 3 ... Transplanter, 5 ... Seedling box guide means, 6 ... Seedling box guide means, 7
... Seedling pushing means, 8 ... Transverse feeding means, 9 ... Transplanting means, 14 ...
Seedling box, 23 ... feeding hole, 29 ... feeding claw, 31 ... regulating claw, 35 ... stopper.

───────────────────────────────────────────────────── フロントページの続き (72)発明者 堀 勝美 大阪府河内長野市木戸町76の17 (72)発明者 野坂 健吉 大阪府堺市楠町１丁２番３号 (72)発明者 柳川 信英 大阪府大阪狭山市東野西１―1013―４ ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Katsumi Hori, 76, Kido-cho, Kawachinagano-shi, Osaka 17 (72) Inventor Kenkichi Nosaka 1-3-2, Kusu-machi, Sakai-shi, Osaka (72) Inventor, Shin Yanagawa 1-1013-4 Higashinonishi, Sayama City, Osaka Prefecture, England

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】苗箱案内手段（５）に苗箱（14）を装填
し、苗箱送り手段（６）の送り爪（29）を苗箱（14）の
送り孔（23）に係脱自在に係合させて、この送り爪（2
9）の下降時に苗箱（14）を苗箱案内手段（５）に沿っ
て下方に１ピッチだけ送るようにした移植機において、
送り爪（29）の上昇時に送り孔（23）から離脱しかつ下
降時に送り孔（23）に嵌合すベく送り爪（29）の上下動
に連動して送り孔（23）に嵌脱自在な規制爪（31）を設
け、送り爪（29）が苗箱（14）を１ピッチ分送った時
に、送り孔（23）の上縁側に係合する位置で規制爪（3
1）を係止するストッパー（35）を設けたことを特徴と
する移植機の苗箱送り装置。1. A seedling box (14) is loaded in the seedling box guiding means (5), and a feeding claw (29) of the seedling box feeding means (6) is disengaged from a feeding hole (23) of the seedling box (14). Freely engage the feed claw (2
In the transplanter in which the seedling box (14) is fed downward by one pitch along the seedling box guide means (5) when descending 9),
When the feed claw (29) rises, it separates from the feed hole (23) and fits into the feed hole (23) when it descends. The feed claw (29) moves in and out in relation to the feed hole (23). A free regulating pawl (31) is provided, and when the feeding pawl (29) feeds the seedling box (14) by one pitch, the regulating pawl (3) is engaged at the position of the upper edge side of the feeding hole (23).
A seedling box feeder for a transplanter, which is provided with a stopper (35) for locking 1).