JP2010252736A - Sowing device - Google Patents
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- JP2010252736A JP2010252736A JP2009108735A JP2009108735A JP2010252736A JP 2010252736 A JP2010252736 A JP 2010252736A JP 2009108735 A JP2009108735 A JP 2009108735A JP 2009108735 A JP2009108735 A JP 2009108735A JP 2010252736 A JP2010252736 A JP 2010252736A
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Abstract
Description
本発明は、広い面積の育苗床上に効率的に播種を行うことができる播種器に関する。 The present invention relates to a seeder capable of efficiently sowing a nursery bed having a large area.
近時、食品の安全性に対する要求の高まりと健康志向とが相まって無農薬作物に対する需要が増加している。このため、人工光を利用して水耕栽培を行う閉鎖型の植物栽培施設を利用した野菜工場が注目されている。 In recent years, demand for pesticide-free crops has increased due to increased demand for food safety and health-consciousness. For this reason, vegetable factories using closed plant cultivation facilities that perform hydroponics using artificial light have attracted attention.
このような水耕栽培においては、まず、小型のブロック状に分割されたウレタン、ロックウール等からなる育苗床に1粒ずつ種子を播き、当該育苗床を湿らせ、少し肥料をやった状態で、6〜14日程度おき発芽させる。この際、省力化のために、種子を造粒コーティングして精密機械播種が行われている(特許文献1)が、造粒コーティングした種子は高価であり、コスト面で不利である。 In such hydroponics, first, seeds are seeded one by one on a nursery bed made of urethane, rock wool, etc. divided into small blocks, the seedling bed is moistened, and a little fertilizer is applied. , Germinate every 6 to 14 days. At this time, in order to save labor, seeds are granulated and precision machine seeding is performed (Patent Document 1). However, the seeds that are granulated and coated are expensive and disadvantageous in terms of cost.
一方、造粒コーティングしていない種子を一括して播種するための装置としては、例えば、特許文献2に記載のものが知られている。 On the other hand, as an apparatus for collectively sowing seeds that are not granulated coated, for example, a device described in Patent Document 2 is known.
しかしながら、特許文献2に記載の装置では、播種ボックスよりも広い面積の育苗床上に一時に種子を播くことはできず、広い面積の育苗床上に一時に種子を播くには、播種ボックス自体を大型化する必要があるが、播種ボックスが大型化すると取り扱いが難しくなり、作業性が悪くなる。 However, in the apparatus described in Patent Document 2, seeds cannot be sown at once on a nursery bed having a larger area than the sowing box. To sow seeds at once on a nursery bed having a large area, the seeding box itself is large. However, if the sowing box is enlarged, handling becomes difficult and workability deteriorates.
本発明はかかる問題点に鑑みなされたものであって、広い面積の育苗床に一時に種子を播くことができる播種器を提供することをその主たる所期課題としたものである。 This invention is made | formed in view of this problem, Comprising: The main aim subject is to provide the seeder which can sow a seed to the nursery bed of a large area at once.
すなわち本発明に係る播種器は、播種対象である種子よりも小さな径を有し、内部の圧力が負圧及び正圧に調節可能な複数の孔が形成された吸着板を備えた種子吸着部と、前記孔に対向するように位置づけられた導入口を一端に、その他端に導出口を有し、前記導出口の間隔が前記導入口の間隔よりも大きく設定され、播種対象である種子よりも大きな内径を有する複数の放出管を備え、前記種子吸着部とは別体をなす種子放出部と、から構成されていることを特徴とする。なお、負圧とは大気圧未満の圧力をいい、正圧とは大気圧以上の圧力をいう。 That is, the seeder according to the present invention has a smaller diameter than the seeds to be seeded, and has a seed adsorbing part provided with an adsorbing plate in which a plurality of holes whose internal pressure can be adjusted to negative pressure and positive pressure are formed. And having an introduction port positioned so as to face the hole at one end and a discharge port at the other end, the interval between the introduction ports being set larger than the interval between the introduction ports, And a plurality of discharge pipes having a large inner diameter, and a seed discharge part that is separate from the seed adsorbing part. The negative pressure refers to a pressure below atmospheric pressure, and the positive pressure refers to a pressure above atmospheric pressure.
このような播種器を用いて育苗床上に種子を播くには、まず、前記種子吸着部を前記吸着板が上側を向いた状態にし、任意の吸引装置を用いて前記孔の内部を負圧にしつつ、前記吸着板上に播種対象の種子を散布し、前記孔に種子を吸着させる。次いで、前記吸着板が下側を向くよう前記種子吸着部を回転し、各吸着孔に前記放出管の前記導入口がそれぞれ対向するよう前記種子吸着部の下に前記種子放出部を設置し、更に、前記放出管の前記導出口が育苗床に接触又は近接するように配置する。この状態で、前記孔の内部の負圧を解除すると、吸着孔に吸着していた種子が吸着孔から離れ、前記導入口に落ち込み、前記放出管内を通過して、前記導出口から育苗床上に放出される。 In order to sow seeds on a nursery bed using such a seeder, first, the seed adsorbing portion is in a state where the adsorbing plate faces upward, and the inside of the hole is made a negative pressure using an arbitrary suction device. Meanwhile, seeds to be sown are sprayed on the adsorption plate, and the seeds are adsorbed in the holes. Subsequently, the seed adsorption part is rotated so that the adsorption plate faces downward, and the seed discharge part is installed under the seed adsorption part so that the introduction port of the discharge pipe faces each adsorption hole, Furthermore, it arrange | positions so that the said outlet of the said discharge pipe may contact or adjoin to a nursery bed. In this state, when the negative pressure inside the hole is released, the seed adsorbed in the adsorption hole is separated from the adsorption hole, falls into the introduction port, passes through the discharge pipe, and passes from the discharge port to the nursery bed. Released.
しかして、本発明によれば、前記導出口の間隔が前記導入口の間隔よりも大きく設定されているので、前記孔が形成されている吸着板の面積よりも広い面積の育苗床上に効率良く播種を行うことができる。 Thus, according to the present invention, since the interval between the outlets is set to be larger than the interval between the inlets, it is efficiently provided on the nursery bed having an area larger than the area of the suction plate in which the holes are formed. Sowing can be performed.
前記種子放出部は、前記導入口が前記孔に合わせた間隔で配置されるよう前記放出管を前記導入口近傍で支持する導入口支持部材と、前記導出口が各種子の播種位置に合わせた間隔で配置されるよう前記放出管を前記導出口近傍で支持する導出口支持部材と、を備えていることが好ましい。なお、ここで「等間隔」とは中心位置の間隔が等しいことを意味する。 The seed discharge section includes an inlet support member that supports the discharge pipe in the vicinity of the inlet so that the inlet is arranged at an interval that matches the hole, and the outlet is aligned with a seeding position of each child. It is preferable to include a discharge port support member that supports the discharge pipe in the vicinity of the discharge port so as to be arranged at intervals. Here, “equally spaced” means that the distance between the center positions is equal.
このような本発明によれば、種子吸着部が小型であっても、広い面積の育苗床上に、一時に、かつ、予め定めた所定位置に正確に播種を行うことができるので、播種作業を極めて効率的に行うことができる。 According to the present invention as described above, even if the seed adsorbing portion is small, sowing can be accurately performed at once and on a predetermined position on a nursery bed having a large area. It can be done very efficiently.
以下、本発明の一実施形態について、図面を参照して説明する。 Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
本実施形態に係る播種器1は、育苗床B上に種子Sを播くためのものであり、図1〜3に示すように、種子吸着部2と、種子吸着部2とは別体をなす種子放出部3と、からなるものである。 The seeder 1 according to the present embodiment is for seeding the seed S on the nursery bed B. As shown in FIGS. 1 to 3, the seed adsorbing unit 2 and the seed adsorbing unit 2 are separated. A seed release part 3.
各部を詳述する。
種子吸着部2は、播種対象である種子Sを吸着するためのものであり、吸着板21と、それが嵌合された吸引箱22と、から構成されている。
Each part will be described in detail.
The seed adsorbing unit 2 is for adsorbing the seed S to be seeded, and is composed of an adsorbing plate 21 and a suction box 22 fitted with the adsorbing plate 21.
吸着板21は、播種対象である種子Sよりも小さな径を有する複数の吸着孔211が所定の間隔をあけて形成されている平板状のものである。 The adsorption plate 21 is a flat plate in which a plurality of adsorption holes 211 having a smaller diameter than the seed S to be seeded are formed at a predetermined interval.
吸引箱22は、吸着板21が嵌合可能なように上端が開口しているものであり、吸着板21を嵌合することにより内部に空間が形成される。また、吸引箱22の側面には、所定の吸引装置Vに接続可能な接続口221が形成されており、接続口221に吸引装置Vを接続して作動させることにより、吸着板21を嵌合して吸引箱22内に形成された空間の圧力を負圧にすることが可能であり、これにより、当該内部空間と連続した吸着孔211の内部の圧力も負圧にすることができる。 The suction box 22 is open at the upper end so that the suction plate 21 can be fitted therein, and a space is formed inside by fitting the suction plate 21. In addition, a connection port 221 that can be connected to a predetermined suction device V is formed on the side surface of the suction box 22, and the suction plate 21 is fitted by operating the suction device V connected to the connection port 221. Thus, the pressure in the space formed in the suction box 22 can be made negative, and thus the pressure inside the suction hole 211 continuous with the internal space can also be made negative.
種子吸着部2は、吸着板21に散布した種子Sが吸引箱22の開口端縁よりこぼれ出ないように、吸引箱22に嵌合された吸着板21の上面が開口端縁より下方に位置するように構成してある。 The seed adsorbing unit 2 is configured so that the upper surface of the suction plate 21 fitted to the suction box 22 is positioned below the opening edge so that the seed S spread on the suction plate 21 does not spill out from the opening edge of the suction box 22. It is comprised so that it may do.
また、種子吸着部2には、図2に示すように、その上部一側端に余剰の種子Sを収容するポケット23が形成されており、ポケット23は、その内部に収容された種子Sがこぼれ出ないように開口が狭く設定されている。 In addition, as shown in FIG. 2, the seed adsorbing portion 2 is formed with a pocket 23 for accommodating surplus seed S at one upper end thereof, and the pocket 23 contains the seed S accommodated therein. The opening is set narrow so as not to spill out.
種子放出部3は、育苗床B上に種子Sを放出するためのものであり、複数の放出管31と、それらを支持する導入口支持部材32及び導出口支持部材33と、から構成されている。 The seed discharge part 3 is for discharging the seed S on the nursery bed B, and is composed of a plurality of discharge pipes 31 and an inlet support member 32 and an outlet support member 33 that support them. Yes.
放出管31は、その一端に導入口311を、その他端に導出口312を有し、導出口312の間隔は導入口311の間隔よりも大きく設定されており、導入口311は吸着孔211に合わせた間隔で配置され、導出口312は育苗床B上の播種位置に合わせた間隔で配置されている。放出管31は、その内部を種子Sが通過可能であるように、播種対象である種子Sよりも大きな内径を有している。 The discharge pipe 31 has an introduction port 311 at one end and a discharge port 312 at the other end, and the interval between the discharge ports 312 is set larger than the interval between the introduction ports 311. The outlets 312 are arranged at intervals corresponding to the sowing positions on the nursery bed B. The discharge tube 31 has a larger inner diameter than the seed S to be sown so that the seed S can pass through the discharge pipe 31.
導入口支持部材32は、導入口311が吸着孔211に合わせた間隔で配置されるよう放出管31を導入口311近傍で支持するものであり、導出口支持部材33は、導出口312が育苗床B上の播種位置に合わせた間隔で配置されるよう放出管31を導出口近傍で支持するものである。本実施形態における導入口支持部材32及び導出口支持部材33は、いずれも複数の放出管31を挿入して支持するための複数の孔が形成された平板状のものである。 The introduction port support member 32 supports the discharge pipe 31 in the vicinity of the introduction port 311 so that the introduction ports 311 are arranged at intervals corresponding to the suction holes 211. The discharge pipe 31 is supported in the vicinity of the outlet so as to be arranged at intervals according to the sowing position on the floor B. Each of the inlet port support member 32 and the outlet port support member 33 in the present embodiment has a flat plate shape in which a plurality of holes for inserting and supporting a plurality of discharge tubes 31 are formed.
本実施形態に係る播種器1を用いて育苗床B上に種子Sを播く方法を以下に説明する。なお、本実施形態で用いる育苗床Bは、図3及び図4に示すように、ウレタン、ロックウール等からなり小型のブロック状に分割された育苗床が多数敷設されたものであり、ブロック状に分割された各育苗床の上面中央には種子Sを収容するための凹部Hが形成されている。 A method for sowing seed S on nursery bed B using seeder 1 according to the present embodiment will be described below. In addition, as shown in FIG.3 and FIG.4, the nursery bed B used by this embodiment is a thing in which many nursery beds which consisted of urethane, rock wool, etc. and were divided | segmented into the small block shape were laid, block shape A recess H for accommodating the seed S is formed at the center of the upper surface of each nursery bed divided into two.
播種器1を用いて育苗床B上に種子Sを播くには、まず、種子吸着部2を吸着板21が上側を向いた状態にし、吸引装置Vを作動させて、吸引箱22内部の圧力を負圧にする。これにより吸着孔211内の圧力も負圧になる。この状態で、吸着板21上に播種対象の種子Sを散布すると、各吸着孔211に種子Sが1粒ずつ吸着される。 In order to seed the seed S on the nursery bed B using the seeder 1, first, the seed adsorbing unit 2 is placed with the adsorbing plate 21 facing upward, the suction device V is operated, and the pressure inside the suction box 22 is increased. To negative pressure. As a result, the pressure in the suction hole 211 also becomes negative. In this state, when seeds S to be sown are sprayed on the adsorption plate 21, one seed S is adsorbed to each adsorption hole 211 one by one.
次いで、ポケット23が下側に位置するように種子吸着部2を略90度回転すると、吸着孔211に吸着されなかった種子Sが吸着板21上を滑り落ちて、ポケット23内に収容される。 Next, when the seed adsorbing portion 2 is rotated approximately 90 degrees so that the pocket 23 is positioned on the lower side, the seed S that has not been adsorbed by the adsorbing hole 211 slides down on the adsorbing plate 21 and is accommodated in the pocket 23. .
続いて、ポケット23を回転軸として吸着板21が下側を向くよう種子吸着部2を更に略90度回転し、そして、各吸着孔211に導入口311が対向するよう種子吸着部2の下に種子放出部3を配置し、かつ、放出管31の導出口312を育苗床Bに接触又は近接させる。この状態で、吸引装置Vを停止して、吸着孔211内の負圧を解除して正圧にすると、吸着孔211に吸着されていた種子Sが吸着孔211から離れ、導入口311から放出管31内に入り、放出管31内を通過して、育苗床B上に落下する。これにより、育苗床B上の各凹部Hに1粒ずつ種子Sを播くことができる。 Subsequently, the seed adsorbing portion 2 is further rotated by about 90 degrees so that the adsorbing plate 21 faces downward with the pocket 23 as the rotation axis, and the underside of the adsorbing portion 311 so that the inlet 311 faces each of the adsorbing holes 211 The seed discharge part 3 is arranged on the surface, and the outlet 312 of the discharge pipe 31 is brought into contact with or close to the nursery bed B. In this state, when the suction device V is stopped and the negative pressure in the adsorption hole 211 is released to a positive pressure, the seed S adsorbed in the adsorption hole 211 is separated from the adsorption hole 211 and discharged from the introduction port 311. It enters the pipe 31, passes through the discharge pipe 31, and falls onto the nursery bed B. Thereby, the seeds S can be sown one by one in each recess H on the nursery bed B.
なお、ポケット23内に収容された種子Sは、ポケット23が上側に位置するよう種子吸着部2を回転することにより、ポケット23の開口から再び吸着板21上に散布することができるので、再度播種対象とすることが可能である。 In addition, since the seed S accommodated in the pocket 23 can be sprayed on the adsorption plate 21 again from the opening of the pocket 23 by rotating the seed adsorption part 2 so that the pocket 23 is located on the upper side, It can be set as a seeding target.
したがって、このような構成を有する本実施形態によれば、導出口312の間隔が、吸着孔211と等しい間隔で設けられている導入口311の間隔よりも大きく設定されているので、吸着孔211が形成されている吸着板21の面積よりも広い面積の育苗床B上に一時に効率良く播種を行うことができる。 Therefore, according to the present embodiment having such a configuration, the interval between the outlet ports 312 is set to be larger than the interval between the inlet ports 311 provided at the same interval as the adsorption holes 211. Can be efficiently seeded at a time on the nursery bed B having an area larger than the area of the adsorption plate 21 on which is formed.
なお、本発明は前記実施形態に限られるものではない。 The present invention is not limited to the above embodiment.
例えば、吸着板21の形状は長方形状に限定されず、用途に応じて適宜選択すればよい。同様に、吸引箱22の形状も直方体状に限定されず、用途に応じて適宜選択すればよい。 For example, the shape of the suction plate 21 is not limited to a rectangular shape, and may be appropriately selected depending on the application. Similarly, the shape of the suction box 22 is not limited to a rectangular parallelepiped shape, and may be appropriately selected depending on the application.
また、導入口支持部材32及び導出口支持部材33は平板状のものに限定されず、放出管31を支持可能であれば特に限定されない。 Further, the inlet port support member 32 and the outlet port support member 33 are not limited to flat ones, and are not particularly limited as long as the discharge pipe 31 can be supported.
吸着孔211に吸着していた種子Sを育苗床B上に落下させる際には、種子Sが落下し易くなるように、種子吸着部2及び/又は種子放出部3を軽く振動させてもよい。 When the seed S adsorbed in the adsorption hole 211 is dropped onto the nursery bed B, the seed adsorbing part 2 and / or the seed releasing part 3 may be vibrated lightly so that the seed S can easily fall. .
その他、前述した実施形態や変形実施形態の一部又は全部を適宜組み合わせてもよく、その趣旨を逸脱しない範囲で種々の変形が可能であるのは言うまでもない。 In addition, it is needless to say that some or all of the above-described embodiments and modified embodiments may be appropriately combined, and various modifications can be made without departing from the scope of the invention.
1・・・播種器
2・・・種子吸着部
21・・・吸着板
211・・・孔(吸着孔)
3・・・種子放出部
31・・・放出管
311・・・導入口
312・・・導出口
DESCRIPTION OF SYMBOLS 1 ... Seeding device 2 ... Seed adsorption part 21 ... Adsorption plate 211 ... Hole (adsorption hole)
3 ... Seed discharge part 31 ... Release pipe 311 ... Inlet 312 ... Outlet
Claims (2)
前記孔に対向するように位置づけられた導入口を一端に、その他端に導出口を有し、前記導出口の間隔が前記導入口の間隔よりも大きく設定され、播種対象である種子よりも大きな内径を有する複数の放出管を備え、前記種子吸着部とは別体をなす種子放出部と、から構成されていることを特徴とする播種器。 A seed adsorbing part having an adsorption plate having a smaller diameter than the seeds to be seeded and having a plurality of holes in which the internal pressure can be adjusted to a negative pressure and a positive pressure;
An introduction port positioned so as to face the hole is provided at one end and a discharge port is provided at the other end. A seeder comprising a plurality of discharge pipes having an inner diameter, and a seed discharge part that is separate from the seed adsorbing part.
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JP2009108735A JP2010252736A (en) | 2009-04-28 | 2009-04-28 | Sowing device |
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JP2009108735A JP2010252736A (en) | 2009-04-28 | 2009-04-28 | Sowing device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112880990A (en) * | 2021-01-11 | 2021-06-01 | 浙江理工大学 | A air-blowing supplies kind of stability testing arrangement for different seeds |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112880990A (en) * | 2021-01-11 | 2021-06-01 | 浙江理工大学 | A air-blowing supplies kind of stability testing arrangement for different seeds |
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