JP6944670B2 - Extraction mechanism of planting board of hydroponic cultivation shelf and liquid fertilizer receiving pan - Google Patents

Description

The present invention relates to a technique for easily taking out a planting board from a hydroponic cultivation shelf.

In the cultivation of various plants for food and appreciation, a system is used in which a plurality of shelves and steps are installed indoors such as a clean room, and the plants are produced at high density by the shelves and steps. In such a system, a hydroponic cultivation method that does not require a solid medium is widely used, and there are merits that it is easy to control plant diseases and pollution and control growth, and that year-round production is possible.

As shown in Patent Documents 1 and 2, a hydroponic cultivation shelf for hydroponic cultivation usually includes a cultivation tank for storing liquid fertilizer and a planting board, and the planting board is arranged on the cultivation tank. Plant seedlings of plants that grow in the planting holes provided on the planting board. Then, when the plant grows, the plant is taken out from the hydroponic cultivation shelf together with the planting board, and the plant on the planting board is picked.

Japanese Unexamined Patent Publication No. 2012-223120 Japanese Unexamined Patent Publication No. 10-271925

As described above, when harvesting a plant, the plant grown together with the planting board is taken out from the hydroponic cultivation shelf, but it is heavy at the stage when the plant grows and it is not easy to take out. Also, especially for commercial plants, the plants must not be damaged when they are taken out of the hydroponic shelves together with the planting boards. Furthermore, since the roots of the plants planted on the planting board are soaked in liquid fertilizer, when the planting board is taken out, the liquid fertilizer drips along the roots of the plant, and the floor surface of the facility where the hydroponic cultivation shelf 1 is installed , The harvest rack on which the planting board taken out from the hydroponic cultivation shelf is placed and the plants on other planting board may be soiled.

Therefore, according to the present invention, the planting board can be easily taken out from the hydroponic cultivation shelf, and the planting board does not damage the plants on the planting board or the liquid fertilizer drips from the plants on the planting board to pollute the surroundings. The purpose is to provide an extraction mechanism for the.

In order to achieve the above object, the mechanism for taking out the planting board according to the present invention lifts the planting board arranged on the liquid fertilizer tank in which the liquid fertilizer is stored in the hydroponic cultivation shelf, and lifts the planting board and puts the planting board in the hydroponic cultivation. A mechanism for taking out a planting board from the cultivation shelf, which is a hinge shaft rotatably fixed to the frame of the hydroponic cultivation shelf below the end of the planting board, and one end is attached to the hinge shaft. The other end is provided with a rotating piece that rotates around the hinge shaft in conjunction with the hinge shaft, and the rotating piece is planted with the other end as the hinge shaft rotates. Lift the end of the planting board while bringing it into contact with the lower surface of the board.

Further, in the hydroponic cultivation shelf in which a plurality of liquid fertilizer layers are arranged side by side with a slight gap between them, the hinge shaft is provided below the liquid fertilizer layer, and the other end of the rotating piece is the hinge shaft. It may be such that it protrudes upward from the gap with the rotation of the planting plate and comes into contact with the lower surface of the planting plate.

According to the planting board extraction mechanism according to the present invention, the planting board can be easily taken out from the hydroponic cultivation shelf. In addition, it does not damage the plants on the planting board at the time of taking out, and it is possible to prevent liquid fertilizer from dripping from the plants on the planting board and polluting the surroundings.

It is an external perspective view which showed the hydroponic cultivation shelf provided with the taking-out mechanism of the planting board which concerns on embodiment of this invention. It is a partially enlarged view which showed the state when the planting board is taken out from the hydroponic cultivation shelf by the taking-out mechanism of the planting board which concerns on this embodiment. It is an external perspective view which showed the taking-out mechanism of the planting board which concerns on this embodiment. It is an external perspective view which showed the taking-out mechanism of the planting board which concerns on this embodiment. FIG. 5 is an external perspective view showing a liquid fertilizer receiving pan used when taking out a planting board from a hydroponic cultivation shelf in the planting board taking-out mechanism according to the present embodiment. It is a side view explaining the operation of the take-out mechanism in the take-out mechanism of the planting board which concerns on this embodiment. It is a side view explaining the operation of the take-out mechanism in the take-out mechanism of the planting board which concerns on this embodiment.

The mechanism for taking out the planting board according to the embodiment of the present invention will be described with reference to the drawings.
As shown in FIGS. 1 and 2, the planting board extraction mechanism 3 according to the present embodiment takes out the planting board 2 in which the grown plant is planted from the hydroponic cultivation shelf 1 and places it on the harvest rack 4. It is the mechanism of.

The hydroponic cultivation shelf 1 is a shelf for cultivating plants.
The hydroponic cultivation shelf 1 is provided with a space for placing a planting board 2 for growing plants in a plurality of stages in the vertical direction. As shown in FIG. 2, a liquid fertilizer tank 11 for storing liquid fertilizer is attached to the inside of each stage. Further, one end side of the hydroponic cultivation shelf 1 serves as an outlet for taking out the planting board 2 in which the grown plant is planted, and a taking-out mechanism 3 for the planting board 2 is provided in the vicinity of the outlet.

The liquid fertilizer tank 11 has a substantially semi-cylindrical shape that opens upward and closes at both ends, and has a length in the extraction direction of the planting plate 2. A plurality of the liquid fertilizer tanks 11 are arranged side by side in the width direction of the hydroponic cultivation shelf 1, and a planting plate 2 for growing plants is arranged on the upper surface.
The plurality of liquid fertilizer tanks 11 installed for each stage of the hydroponic cultivation shelf 1 are arranged side by side with a slight gap from the adjacent liquid fertilizer tank 11. As a result, when the planting board 2 is taken out from the hydroponic cultivation shelf 1 by the take-out mechanism 3, the rotating piece 32 of the take-out mechanism 3 installed below the liquid fertilizer tank 11 (from the gap between the adjacent liquid fertilizer tanks 11) The planting plate 2 arranged on the liquid fertilizer tank 11 can be lifted from the lower surface side by projecting upward (described later with reference to FIG. 4).

The planting board 2 is a flat plate-shaped member provided with a plurality of planting holes 2a for planting plant seedlings and the like. A plurality of the planting boards 2 are arranged side by side along the extraction direction for each stage of the hydroponic cultivation shelf 1.
Further, the planting board 2 is arranged on the upper surface of the liquid fertilizer tank 11, and the plant planted in the planting hole 2a extends its roots downward and absorbs nutrients from the liquid fertilizer stored in the liquid fertilizer tank 11.

The take-out mechanism 3 is a mechanism for lifting the planting board 2 arranged on the liquid fertilizer tank 11 from the lower surface side and taking out the planting board 2 from the hydroponic cultivation shelf 1.
As shown in FIG. 3, the take-out mechanism 3 includes a hinge shaft 31, a rotating piece 32, a handle 33, a bracket 34, and a fixing bracket 35.

The hinge shaft 31 has a direction orthogonal to the taking-out direction of the planting plate 2 and has a length in a direction parallel to the width direction of the planting plate 2. As shown in FIG. 2, the hinge shaft 31 is rotatably fixed to the frame 12 of the hydroponic cultivation shelf 1 via the bracket 34 below the planting plate 2.

The rotating piece 32 is a tongue piece-shaped member to which a hinge shaft 31 is attached to one end. In the present embodiment, the rotating piece 32 is provided near both ends and the center of the hinge shaft 31, and as shown in FIGS. 3 and 4, the rotating piece 32 is interlocked with the rotation of the hinge shaft 31. It rotates around the hinge shaft 31.

When the rotating piece 32 rotates in conjunction with the rotation of the hinge shaft 31, it protrudes upward from the outside of both ends of the liquid fertilizer tank 11 and the gap between the adjacent liquid fertilizer tanks 11, and the end portion is settled on the planting plate 2. The planting plate 2 is lifted while being in contact with the lower surface of the plant.

In the present embodiment, a shaft hole for penetrating the hinge shaft 31 is provided at one end of the rotating piece 32, the hinge shaft 31 penetrates through the shaft hole, and the rotating piece 32 becomes the hinge shaft 31. Although it is fixed, the present invention is not limited to this, and if the rotating piece 32 rotates around the hinge shaft 31 in conjunction with the hinge shaft 31, it may be fixed by another structure.

Further, in the present embodiment, the rotating piece 32 has a tongue piece shape, but is not limited to this, and may have a rod shape or the like, has a certain length, and one end is fixed to the hinge shaft 31. The other end may rotate around the hinge shaft 31 in response to the rotation of the hinge shaft 31.
Further, in the figure showing the present embodiment, three rotating pieces 32 are attached, but in the embodiment of the present invention, the number of rotating pieces 32 is not particularly limited.

The handle 33 is attached to the end of the hinge shaft 31, and has a substantially rod-shaped handle piece 331 to which the end of the hinge shaft 31 is fixed to one end, and a grip portion 332 attached to the end of the handle piece 331. Consists of.
By gripping the grip portion 332 of the handle 33 and turning the hinge shaft 31, the rotating piece 32 interlocked with the hinge shaft 31 can be rotated.

As shown in FIG. 2, the bracket 34 is a member attached to the frame 12 of the hydroponic cultivation shelf 1, and a hinge shaft 31 is rotatably attached to one end thereof. In the present embodiment, the brackets 34 are provided on one end side and the other end side of the hinge shaft 31, and the hinge shaft 31 is rotatably attached to the hydroponic cultivation shelf 1 via the pair of brackets 34. Has been done.

The fixing bracket 35 is a substantially plate-shaped member having substantially the same length as the hinge shaft 31, and one end thereof is attached to one bracket 34 and the other end is attached to another bracket 34. By connecting the pair of brackets 34 to the fixing bracket 35, it is possible to prevent the mounting mechanism 3 from wobbling.

Although not shown in part in the description of the present embodiment, the hydroponic cultivation shelf 1 appropriately has a light irradiation mechanism, a liquid fertilizer supply mechanism, a drainage mechanism, and the like necessary for plant cultivation. .. Further, in the practice of the present invention, the plants cultivated on the hydroponic cultivation shelf 1 are not particularly limited to those for food and appreciation.

The harvest rack 4 is a rack for placing the planting board 2 taken out from the hydroponic cultivation shelf 1 when the plants have sufficiently grown on the planting board 2.
The harvest rack 4 is provided with a plurality of upper and lower stages for placing the planting board 2 according to the columns of the hydroponic cultivation shelf 1, and the planting board 2 is placed on each stage. A tray 41 for the purpose is attached.

The tray 41 has a rectangular shape in a plan view and a container shape in which the peripheral edge of the bottom surface is raised. The size of the tray 41 is the same as or slightly larger than the planting plate 2 or the liquid fertilizer receiving pan 5 described later, and the planting plate 2 together with the liquid fertilizer receiving pan 5 can be placed on the bottom surface. Then, when the planting plate 2 is placed on the upper surface of the tray 41, it receives the liquid fertilizer that drips down along the roots of the plant on the planting plate 2.

When the planting board 2 is taken out from the hydroponic cultivation shelf 1 having such a structure and moved to the harvest rack 4, the liquid fertilizer receiving pan 5 shown in FIG. 5 is used.
The liquid fertilizer receiving pan 5 is a member on which the planting plate 2 is placed on the upper surface side, and receives the liquid fertilizer dripping along the roots of the plants planted on the planting plate 2. The liquid fertilizer receiving pan 5 includes a plurality of individual receiving pans 51 arranged side by side and a bracket 52 for fixing the plurality of individual receiving pans 51.

The individual pan 51 is a member having a substantially semi-cylindrical shape with both ends and an upper surface open. The individual pans 51 have substantially the same width and depth as the liquid fertilizer tank 11, and a plurality of individual pans 51 are arranged side by side corresponding to the plurality of liquid fertilizer tanks 11 arranged side by side. As a result, when the planting plate 2 is lifted by the take-out mechanism 3 and the liquid fertilizer receiving pan 5 is inserted into the lower surface of the planting plate 2, each individual receiving pan 51 overlaps with each liquid fertilizer tank 11. Then, the liquid fertilizer dripping from the plant on the planting board 2 is discharged to the liquid fertilizer tank 11 as it is when it flows down the individual pan 51.

Subsequently, a step of taking out the planting board 2 from the hydroponic cultivation shelf 1 will be described.
First, as shown in FIG. 6, the hinge shaft 31 is rotated by the handle 33 from the state where the rotating piece 32 is below the planting plate 2 and is not in contact with the planting plate 2. As a result, first, the rotating piece 32 interlocked with the hinge shaft 31 projects upward from the liquid fertilizer tank 11 and comes into contact with the lower surface near the end of the planting plate 2 in the taking-out direction. Then, by further rotating the planting plate 2, as shown in FIG. 7, the rotating piece 32 abuts on the lower surface of the planting plate 2 and lifts the planting plate 2 upward.

When the planting plate 2 is lifted upward, a gap into which the liquid fertilizer receiving pan 5 can be inserted is provided on the lower surface side of the planting plate 2, and in this state, the liquid fertilizer receiving pan 5 is inserted and the planting plate 2 is placed on the liquid fertilizer receiving pan 5. Is placed.
In this state, the liquid fertilizer dripping along the roots of the plant on the planting board 2 is received by the liquid fertilizer receiving pan 5 and discharged to the liquid fertilizer tank 11 through the liquid fertilizer receiving pan 5.

Then, as shown in FIGS. 1 and 2, the harvest rack 4 is brought close to the outlet of the hydroponic cultivation shelf 1, and the planting board 2 placed on the liquid fertilizer receiving pan 5 is placed on the liquid fertilizer receiving pan 5 together with the liquid fertilizer receiving pan 5. When it is pulled out onto the tray 41 of 4, the removal of the planting plate 2 is completed.
On the tray 41, the liquid fertilizer dripping from the roots of the plants is received by the tray 41 and does not contaminate the lower plants and the like harvested in the harvest rack 4.

According to the planting board take-out mechanism 3 according to the present embodiment, the planting board 2 can be easily taken out from the hydroponic cultivation shelf 1. Further, the plant on the planting board 2 is not damaged at the time of taking out, and it is possible to prevent the liquid fertilizer from dripping from the plant on the planting board 2 and polluting the surroundings.

1 Hydroponic cultivation shelf 11 Liquid fertilizer tank 12 Frame 2 Fixed planting board 2a Planting hole 3 Extraction mechanism 31 Hinge shaft 32 Rotating piece 33 Handle 331 Handle piece 332 Grip part 34 Bracket 35 Fixing bracket 4 Harvest rack 41 Tray 5 Liquid fertilizer receiving pan 51 Individual pan 52 bracket

Claims (2)

In hydroponic cultivation rack lifts the planting plate that is disposed on the liquid manure tank, the planting plate a takeout mechanism of the planting plate for taking out from the water culture shelves,
The hinge shaft arranged below the liquid fertilizer tank and
And turning piece one end that is attached to the hinge shaft,
With
A plurality of the liquid fertilizer tanks are arranged side by side with a gap between them, and the other end of the rotating piece protrudes upward from the gap as the hinge shaft rotates, and the other end is the lower surface of the planting plate. The planting plate is lifted while being in contact with the planting plate to form a gap on the lower surface side of the planting plate .
Extraction mechanism for planting boards. A liquid fertilizer receiving pan on which the planting plate is placed in the planting plate extraction mechanism according to claim 1.
Individual pans that are placed side by side with a gap between them,
Brackets that fix one end of each of the above individual pans,
With
The individual pans have the same width and depth as the liquid fertilizer tanks, and are juxtaposed with a gap corresponding to the gaps between the plurality of juxtaposed liquid fertilizer tanks.
Liquid fertilizer receiving bread .

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