JP7161175B2 - seeding device - Google Patents

Description

TECHNICAL FIELD The present invention relates to a sowing apparatus suitable not only for hydroponic cultivation of mizuna, Japanese mustard spinach, leaf lettuce, salad greens, and other leafy vegetables, but also for germination of spinach.

In recent years, for example, the use of Pottle (registered trademark) as a commercially available sowing device for easily and evenly sowing seeds one by one is conceivable.
As shown in Patent Document 1, this pottle consists of a fixed plate having a large-diameter hole, and a plurality of holes slidably disposed on the fixed plate and selectively opening or blocking the large-diameter hole. It utilizes a slide plate with small holes.
When the slide plate is slid like a sieve, a large number of seeds placed on the slide plate are uniformly dropped from small holes one by one through large-diameter holes and sown in the seed bed below. Therefore, if the slide plate shown in Patent Document 1 is placed on the water supply sheet, the seeds are dropped from the holes in the fixed plate and the slide plate into the upper gap of the water supply sheet, and the seeds are automatically distributed one by one uniformly. Seeds can be sown at regular intervals to improve the workability of the sowing work.

Japanese Patent Application Laid-Open No. 8-322326 (summary, see FIGS. 1 and 3)

However, when using the seeding device shown in this Patent Document 1, there are the following problems.
That is, in the sowing device shown in Patent Document 1, when the seeds are dropped from the hole of the slide plate, especially when the distance between the slide plate and the seedbed is large, the seeds may scatter. is desired.
SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a seeding device that can easily and accurately drop seeds onto a seeding position in a nursery bed for proper seeding.

In order to achieve the above object, the sowing device of the present invention comprises a sowing holder detachably suspended in a germination container, and a seed throwing device slidably placed in the opening of the germination container. The seeding holder is composed of a water supply sheet in which a pair of opposing sheets having water absorption and water retention are brought into contact and partially joined, and a hanging tool holding the water supply sheet. a support plate and a slide plate slidably mounted on the support plate, the support plate being composed of a horizontal plate body and a plurality of seed dropping devices formed in the plate body and penetrating vertically. and a plurality of guides projecting toward a predetermined position of the water supply sheet while communicating with the seed dropping hole on the lower surface of the plate body, and the slide plate includes a bottom plate and the and a hole formed in the bottom plate. By sliding the slide plate, the hole formed in the bottom plate and the seed drop hole are in communication with each other, and the seed drop hole is formed by the bottom plate. It is characterized in that the upper part of one sheet is longer than the upper part of the other sheet .

According to the present invention, the following effects can be achieved.
A) A guide provided in the support plate for sending out the seeds from the seed dropping hole toward the sowing position of the seedbed can be arranged opposite to the predetermined sowing position of the seedbed. Therefore, when the seed is dropped from the hole of the slide plate, even if there is a distance between the seed throwing device and the seed bed, the seed can be easily and accurately dropped to the sowing position of the seed bed through the guide. Can be sown.
B) Seeds are dropped through guides from the holes formed in the slide plate, so that the seeds are uniformly sown in the seed bed according to the arrangement and spacing of the holes.
C) Similarly, seeds are prevented from scattering outside the nursery bed, and waste of seeds can be prevented.
D) If the seedbed is a sowing holder with a pair of water-absorbing, water-retaining sheets facing each other holding the seeds, the guides can be inserted into the gaps between the sheets, resulting in increased seed input. When the instrument is slid horizontally, one of the sheets is pushed by the guide and tilted, and the gap between the sheets is widened, so that the seeds can be surely dropped into the gap and sown accurately.
E) When this seeding holder is used as a nursery bed, it is possible to carry out from seeding to germination. It is possible to improve the workability of the transplant work without damaging the .

1 is an exploded perspective view of a seeding device according to a first embodiment of the present invention; FIG. It is a longitudinal front view of a sowing device. It is a longitudinal side view of a sowing device. FIG. 3 is a partially enlarged longitudinal sectional view of FIG. 2 ; It is a partial enlargement longitudinal front view of the seeding apparatus which shows the state which slides a seed injection device horizontally, bends the upper part of one sheet|seat, and is widening the clearance gap between two sheets. Fig. 3 is a partially enlarged front view of the sowing device showing a state in which a slide plate is slid to drop seeds into a gap between two sheets; 1 is a perspective view of a sowing holder; FIG. It is a seeding holder longitudinal front view. (A) is a partial enlarged longitudinal front view of a seeding device according to a second embodiment, and (B) is a partially enlarged perspective view of the seeding device according to the second embodiment . (A) is a partial enlarged longitudinal front view of a seeding device according to a third embodiment, and (B) is a partially enlarged perspective view of the seeding device according to the third embodiment . (A) is a partially enlarged longitudinal front view of a seeding device according to a fourth embodiment, (B) is the It is a partially enlarged perspective view of a seeding device according to a fourth embodiment. (A) is a partially enlarged longitudinal front view of a seeding device according to a fifth embodiment, (B) is the second It is a partially enlarged perspective view of a seeding device according to a fifth embodiment.

A seeding device according to each embodiment of the present invention will be described below with reference to FIGS. 1 to 12. FIG.

TECHNICAL FIELD The present invention relates to a seeding device suitable for hydroponic cultivation of mizuna, Japanese mustard spinach, leaf lettuce, salad greens, and other leafy vegetables, and more particularly to a seeding device that can also be used for seeding and germination of spinach.

Hydroponic cultivation of leafy vegetables proceeds through the steps of seeding, germination, and planting, and then proceeds to the harvesting step. be .

The basic structure of the sowing device of the present invention consists of a seed bed in which sown seeds are held and a seed throwing device slidably arranged on the seed bed.

In the seeding device according to the first embodiment of the present invention, the seeding holder 2 shown in FIGS. 1 to 8 is used as the seedbed. It may be a seeding tray equipped with a pot for containing seeds, or a urethane seeding mat provided with cuts for embedding seeds as disclosed in Japanese Patent Application Laid-Open No. 2016-192912.

Next, the seeding device A of the first embodiment shown in FIGS. 1 to 8 will be described in detail.

A sowing device A according to this embodiment comprises a sowing holder 2 detachably suspended in a germination container 1 and a seed throwing device 3 slidably placed in the opening of the germination container 1. .
The seeding holder 2 is composed of a water supply sheet 4 in which a pair of sheets 4a and 4b having water absorption and water retentivity facing each other are brought into contact and partially joined together, and a hanging tool 5 holding the water supply sheet 4. there is
The seed throwing device 3 is composed of a support plate 32 and a slide plate 31 slidably placed on the support plate 32 .
The support plate 32 includes a horizontal plate body 32a, guide frames 33, 33 erected on both front and rear sides of the plate body 32a, a plurality of seed drop holes 32b formed in the plate body 32a and penetrating vertically, and the plate body. From a plurality of truncated cone-shaped cylindrical bodies 37 protruding from the seed drop hole 32b provided on the lower surface of the water supply sheet 4 toward a predetermined position of the water supply sheet 4, for example, a sowing position or a position close to the sowing position It is composed of a guide G and a
At the lower end of each guide frame 33, a guide piece 33b is formed downward as shown in FIG.
A tapered elongated hole 37a converging downward is formed in the center of the guide G, and the upper portion of the elongated hole 37a directly communicates with the seed dropping hole 32b.
The slide plate 31 is composed of a bottom plate 31a, a frame 34 standing on the outer periphery of the bottom plate 31a, and a large number of holes 31b formed in the bottom plate 31a and capable of selectively communicating with the seed dropping holes 32b.
Therefore, a large number of seeds Q can be accommodated on the bottom plate 31a without being spilled by being regulated by the outer peripheral frame 34 , and when the slide plate 31 is shaken alone or together with the support plate 32 like a sieve, or When agitated by hand, arbitrary seeds Q fall into the hole 31b one by one , and when this hole 31b communicates with the seed dropping hole 32b on the side of the support plate 32, the seed Q in the hole 31b falls. It is designed to drop into the hole 32b for.
In this case, the diameter of the seed dropping hole 32b is made larger than the diameter of the hole 31b on the side of the slide plate 31 so that the hole 31b can be easily aligned with the seed dropping hole 32b. I am making it easy.
Further, a plate-like spring bearing 35 is erected on the right side in FIG. 2 of the plate body 32a of the support plate 32, and a plate-like stopper 33a is erected on the left side in FIG .
A return spring S is interposed between the spring bearing 35 and the right side frame 34 of the slide plate 31 .
In this case, a bolt 36 is horizontally attached to the spring bearing 35, the bolt 36 is movably inserted into the right side frame 34 of the slide plate 31, and a return spring S is arranged on the outer circumference of the bolt 36.
The slide plate 31 pushed leftward by the return spring S is supported by the stopper 33a.
As shown in FIGS. 1, 7 and 8, the seeding holder 2 is a water supply sheet in which a pair of sheets 4a and 4b having water absorption and water retention are brought into contact with each other and partially joined at point a by pressure bonding or the like. 4 and a hanging tool 5 holding the water supply sheet 4. - 特許庁
That is, the seeding apparatus A of the present invention places the seed Q of the leafy vegetable plant in the gap R above the point a between the sheets 4a and 4b through the hole 31b of the slide plate 31 and the seed dropping hole 32b of the support plate 32. The seeds are dropped through the elongated hole 37a of the guide G and seeded, and in this state, the water supply sheet 4 is hung in the germination container 1 via the hanging tool 5. As shown in FIG.
The hanging member 5 is composed of a support plate 5a, one or more protrusions 5b projecting from the side surface of the support plate 5a and penetrating the water supply sheet 4, and a hook portion 5c provided at the upper end of the support plate 5a. ing.

As will be described later, the seeding holder 2 is suspended in the germination container 1 and used for the cultivation process from sowing to germination, and is then hung on a planting plate of another cultivation bed while holding the seedling of the leafy vegetable plant that has germinated. It is to be lowered and transplanted.
However, the sowing holder 2 can be hung from the planting plate of the cultivation bed containing the nutrient solution from the beginning, and the cultivation bed can be used for a series of cultivation steps from sowing to germination to planting. In this case, the sowing holder 2 may be removed after fixed planting and used for the process up to harvesting in the cultivation bed.

The germination container 1 to which the sowing holder 2 is attached has thick stepped portions 6, 6 formed along the longitudinal direction on both inner walls facing each other. A plurality of grooves 7 are formed, and a hooking portion 5c is hooked on each groove 7 to suspend the water supply sheet 4. - 特許庁
The groove 7 may be formed in the upper end 1a of the side wall of the germination container 1. As shown in FIG.
Each of the two sheets 4a and 4b constituting the water supply sheet 4 is made of a material having water absorbability and water retention, such as non-woven fabric, water-insoluble paper, or urethane foam.
In short, the sheets 4a and 4b should just hold the solution and supply the seeds Q with water, nutrients and dissolved oxygen.
In this case, the upper portion of one sheet 4b is made longer than the upper portion of the other sheet 4a.
This is achieved by pushing the upper end of the other sheet 4b, which has a longer upper portion, in the horizontal direction with a guide G provided at the lower portion of the slide plate 31 as will be described later with reference to FIGS. 5) to easily drop the seeds Q from above into the clearance R to facilitate the sowing operation.
As shown in FIG. 7, the hook portion 5c is composed of a rod 5d that is horizontally attached to the upper end of the support plate 5a. 4 is hung.
The hooks 5c may be constituted by hooks (not shown) projecting from both sides of the upper end of the support plate 5a. .
Next, the process from sowing to germination will be explained.
As shown in FIG. 1, a plurality of seeding holders 2 are suspended in the germination container 1 by hooking the hanging tools 5 on the grooves 7. Further, as shown in FIG. That is, the seed throwing device 3 is slidably mounted on the upper end 1a of the side wall via the guide piece 33b.
In this state, as shown in FIG. 4, the hole 31b on the side of the slide plate 31 does not communicate with the seed drop hole 32b on the side of the support plate 32, and a large number of seeds Q are placed on the bottom plate 31a of the slide plate 31. is accommodated.
The lower end of the guide G faces the side of the upper end 4c of one sheet 4b, in other words, the seeding position in the gap R between the sheets 4a and 4b or in the vicinity thereof.
In this case, since the guide G is composed of a truncated cone-shaped cylindrical body 37, when the seed charging device 3 is attached to the germination container 1, the tapered end of the guide G is placed on the side of the upper end 4c of the sheet 4b. Easy to insert.
Next, in this state, as shown in FIG. 5, the entire seed throwing device 3 is slid over the upper end 1a of the germination container 1 in the direction of arrow H, that is, in the lateral direction, via the guide piece 33b.
At this time, the upper end portion 4c of the sheet 4b having the longer upper end portion is pushed laterally by the side surface of the guide G to widen the upper gap R between the sheets 4a and 4b.
Next, as shown in FIG. 6, the slide plate 31 is manually slid in the direction of arrow K, i.e., in the lateral direction against the return spring S, and the hole 31b of the slide plate 31 is opened for seed dropping on the support plate 32 side. is communicated with the hole 32b.
At this time, the seed Q that has been dropped into the hole 31b in advance or the seed Q that has fallen into the hole 31b when the slide plate 31 is slid passes through the seed dropping hole 32b and the elongated hole 37a of the guide G, One seed drops into the gap R between the sheets 4a and 4b and is automatically seeded in the gap R.
At this time, since the two sheets 4a and 4b are in contact with each other at the point a, the seeds Q in the gap R are prevented from falling to the bottom of the germination container 1 and are held at the sown position.
In addition, since the holes 31b of the slide plate 31 are formed at equal intervals in the front and rear direction, the seeds Q dropped into the gap R are sown at equal intervals along the front and back direction, and when the seeds Q germinate with each other or within the gap R Interference and damage between seedlings are prevented, and cultivation management is facilitated.
When the sliding operation of the slide plate 31 is stopped after seeding as described above, the slide plate 31 is returned to the original position shown in FIG.
The slide plate 31 may be slid only manually without using the return spring S.
Further, in the present embodiment, the slide plate 31 is slid in the direction of the arrow K, that is, in the lateral direction, as described above, but it may be slid in the front-rear direction.
In this case, the return spring S may be provided in the longitudinal direction, or the use of the return spring S may be stopped and the slide plate 31 may be slid manually.
Furthermore, the lateral dimension of the slide plate 31 may be half the lateral dimension of the germination container 1, for example, and the seeding operation may be performed in two steps. By doing so, the weight of the seed throwing device 3 can be reduced and the seeding work can be facilitated.
Next, in the seeding apparatus A according to the first embodiment, a predetermined amount of water is poured onto the water supply sheet 4, in other words, the pair of sheets 4a and 4b while the seeding holder 2 is suspended from the germination container 1. The water is applied to the surface of the seeds Q by sprinkling and impregnating them.
Next, the germination container 1 is covered with a lid over the opening and stored in a room such as a warehouse. Light shielding, heat retention, and oxygen control are performed according to the appropriateness of the leaf vegetable plant. It extends downward from the gap R between 4b, then the cotyledon extends and germination can be achieved.
Similarly, the seeding apparatus A according to this embodiment sows and germinates the seeds Q in the above-described steps, and when further germinated seedlings are grown, they are transplanted to a planting plate of another cultivation bed.
In this case, as described above, the seeding holders 2 in which the seeds Q have germinated are lifted one by one from the germination container 1, and are hung as they are on the planting plate of another cultivation bed containing the nutrient solution. The seedlings are transplanted on the ground and cultivated in this cultivation bed until harvesting .

Next, seeding devices A according to other second, third, fourth and fifth embodiments will be described.

The seeding device A according to these other embodiments has the configuration of the guide G changed, and other basic configurations and effects are the same as those of the seeding device A according to the first embodiment.

FIG. 9 shows a seeding device A according to a second embodiment of the invention.

The guide G of the sowing device A according to this embodiment consists of a half-cylinder body 47 having a tapered tip and a seed dropping hole 47b formed on the inner circumference of the half-cylinder body 47 and formed in the support plate 32. It is composed of a communicating guide groove 47a.

This guide G is also provided on the lower surface of the support plate 32, and while pushing the upper end portion 4c of the sheet 4b, the seed Q is directed from the seed drop hole 47b toward the seeding position in the gap R of the water supply sheet 4 through the guide groove 47a. It is sent out while sliding.

FIG. 10 shows a seeding device A according to a third embodiment of the invention.

The guide G of the sowing device A according to this embodiment includes a corrugated plate 57 and a plurality of guide grooves 57a formed on the inner periphery of the plate 57 and communicating with the seed dropping holes 57b formed in the support plate 32. It consists of

This guide G is also provided on the lower surface of the support plate 32, and while pushing the upper end portion 4c of the sheet 4b, the seed Q is directed from the seed dropping hole 57b toward the seeding position in the gap R of the water supply sheet 4 through the guide groove 57a. It is sent out while sliding.

FIG. 11 shows a seeding device A according to a fourth embodiment of the invention.

The guide G of the sowing device A according to this embodiment includes two guide plates 67, 67, and a gap formed between the guide plates 67, 67 and communicating with the seed dropping hole 67b formed in the support plate 32. 67a.

This guide G is also provided on the lower surface of the support plate 32, and while pushing the upper end portion 4c of the sheet 4b, the seed Q is pushed from the seed dropping hole 67b toward the seeding position in the gap R of the water supply sheet 4 through the gap 67a. It is sent out while sliding.

Next, FIG. 12 shows a seeding device A according to a fifth embodiment of the invention.

The guide G of the sowing device A according to this embodiment is composed of a single plate 77 and a guide surface 77a communicating with a seed dropping hole 77b formed in the support plate 32. As shown in FIG.

It is preferable that the lower end of the plate 77 is inclined so as to protrude toward the seed dropping hole 77b side, but it may be perpendicular to the plate main body 32a of the support plate 32.

This guide G is also provided on the lower surface of the support plate 32, and while pushing the upper end portion 4c of the sheet 4b, the seed Q is directed from the seed dropping hole 77b toward the seeding position in the gap R of the water supply sheet 4 through the guide surface 77a . It is sent out while sliding.

As described above, according to the seeding apparatus A of the present invention, the guide G is provided so as to protrude toward the sowing position of the seedbed or its vicinity. can be placed.
Therefore, when the seed Q is dropped from the hole 31b of the slide plate 31, even if there is a distance between the seed charging device 3 and the seedbed, the seed Q is easily and accurately placed in the sowing position of the seedbed through the guide G. It is possible to drop the seed on the ground and seed it properly.
Moreover, since the seeds Q are dropped through the guides G from the respective holes 31b formed in the slide plate 31, they are uniformly sown in the seed bed corresponding to the arrangement and spacing of the holes 31b .
Similarly, the seeds Q are prevented from scattering outside the nursery bed, and the waste of the seeds Q can be prevented.
When the seedbed is a seeding holder 2 provided with a pair of sheets 4a and 4b facing each other and having water absorbability and water retention for holding seeds Q, the guide G should be inserted into the gap R between the sheets 4a and 4b. As a result, when the seed throwing device 3 is slid horizontally, one of the sheets 4b is pushed by the guide G to be inclined, and the gap R between the sheets 4a and 4b is widened, so that the seeds Q are surely placed in the gap R. Can be dropped and seeded accurately.
Moreover, when the sowing holder 2 is used as a nursery bed, the process from sowing to germination can be carried out, and the germinated seedlings can be transplanted, for example, by taking them to a planting plate of another cultivation bed and hanging them while maintaining the germinated seedlings. It is possible to avoid damaging the seedlings and improve the workability of the transplanting work.

1 Germination container 2 Seed holder 3 Seed throwing device 4 Water supply sheets 4a, 4b Sheet 5 Hanging tool 31 Slide plate 31a Bottom plate 31b Hole 32 Support plate 32a Plate main body 32b Seed drop hole 33 Guide frame 34 Frame 35 Spring holder 37 Cylindrical body 37a Long hole 47 Tapered half-cylinder body 57 Corrugated plate 67 Two guide plates 77 One plate G Guide S Return spring Q Seed R Gap

Claims (6)

Germination volumeInside the vesselsowing holder suspended detachably from the- and, above germination volumevessel'sSeed thrower slidably placed in the openingtool andconsists of
Seeding holder above- isA pair of facing sheets with water absorption and water retention propertiesToWater supply seams that are partially joined by abuttingTo and, the water supply seaToSuspended holdingtool andconsists ofRe,
Seed thrower aboveThe toolsupportboard and, supported aboveboardA slide slidably placed on topboard andwith
above supportThe boardhorizontal boardbody and, above boardon the bodyfor multiple seed drops formed and penetrating up and downhole and, above boardof a bodyon the bottom surface for the above seed dropin the holeWhile communicating, the water supply seaTo'sMultiple protruding toward a predetermined positionthe mothstomachDo andconsists of
slide abovethe board,bottomboard and, the bottom aboveon the boardformedhole andconsists of,
By sliding the slide plate, it is possible to select a state in which the hole formed in the bottom plate and the seed drop hole are opposed to communicate with each other, or a state in which the seed drop hole is blocked by the bottom plate. ,
Make the top of one sheet longer than the top of the other
A seeding device characterized by: The above boardof a bodyGuided both front and backthe framestand up,
bottom aboveboardframe around the perimeterthe bodymaking me stand
characterized by claimto 1Seeding device as described. The above boardof a bodyPlate-shaped spring support on the sideKewostand up,
Spring supportKetoslide aboveboardright framebody andreturn spring duringGuintervening
characterized by Claim 1or to 2Seeding device as described. The seeding device according to any one of claims 1 to 3 , wherein each of the sheets is formed of nonwoven fabric, water-sparing paper, or urethane foam. Guy aboveDo isfrustoconical tubebody,Half-cylinder with tapered tipbody,corrugatedboard,two guidesboard,or a piece ofwith a boardIt is configured
characterized by from claim 14The seeding device according to any one of . When the seed throwing device slides on the opening of the germination container, the guide provided on the support plate is brought into contact only with the upper portion of the one sheet, thereby separating the one sheet from the other sheet. widen the gap between
The seeding device according to any one of claims 1 to 5, characterized in that:

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