WO2011118550A1

WO2011118550A1 - Plant cultivation device

Info

Publication number: WO2011118550A1
Application number: PCT/JP2011/056719
Authority: WO
Inventors: 均大原; 佐倉　俊児; 平井　達也; 浩二河野; 豪伊藤
Original assignee: 株式会社椿本チエイン
Priority date: 2010-03-25
Filing date: 2011-03-22
Publication date: 2011-09-29
Also published as: JP2011200166A; JP4617395B1

Abstract

Provided is a plant cultivation device which comprises a simplified structure of a tray lift mechanism for transferring a cultivation tray into and from an arbitrary cultivation tray rack, can prevent distortion or deflection, and can be smoothly driven with space-saving efficiency. The plant cultivation device (100) comprises multiple cultivation trays (120), which are arranged in multiple rows and columns and in which plants (S) can be cultivated, multiple cultivation tray racks (110), in which the cultivation trays can be held respectively, and a cultivation tray lift mechanism (150) for transferring the cultivation trays (120), wherein the cultivation tray lift mechanism (150) is equipped with a lift rack, a pair of linear guides, a pair of up-and-down guides, a pair of up-and-down chains, an up-and-down sprocket and an up-and-down driving means.

Description

Plant cultivation equipment

The present invention provides a cultivation tray capable of cultivating a plurality of plant strains, a plurality of cultivation tray storage shelves that can accommodate the cultivation tray and arranged in a plurality of stages and a plurality of rows, and the cultivation tray as an arbitrary cultivation tray accommodation shelf. The present invention relates to a plant cultivation apparatus having a cultivation tray transfer mechanism that moves in and out.

Conventionally, a cultivation tray capable of cultivating a plurality of plant strains, and a plurality of cultivation tray accommodation shelves that can accommodate the cultivation tray and are arranged in a plurality of rows and rows, and are provided with sunshine and fertilization on each cultivation tray accommodation shelf Plant cultivation devices are known in which the amount of cultivation per unit area of a plant is increased by performing operations such as irrigation.

Also, a plant cultivation device that has a cultivation tray transfer mechanism that moves the cultivation tray into and out of an arbitrary cultivation tray storage shelf, and moves the cultivation tray to a specific work station to perform operations necessary for cultivation such as fertilization and irrigation Is known (see, for example, Patent Document 1).

The cultivation tray transfer mechanism (moving device) of this known plant cultivation apparatus is moved along a traveling column that is moved along one surface of a plurality of cultivation tray storage shelves (collection shelves), and is moved up and down along the traveling column. Equipped with lift.
The travel column has a lower end engaged with a rail laid on the floor, an upper end engaged with an upper end frame of a plurality of cultivation tray storage shelves (collection shelves), and an intermediate portion engaged with a guide rail.
And it moves by well-known means, such as an external drive machine and a ball screw, or mounts a drive machine and a wheel on a traveling column, and makes it self-propelled.
The transfer shelf (lift) is moved up and down by a known means such as a chain by sprockets disposed at the upper and lower ends of the traveling column, and is moved to a position facing each cultivation tray storage shelf (container shelf).

JP 2000-209970 A (all pages, all figures)

However, since the transfer shelf (lift) is supported by the traveling pillar in a cantilever manner on the cultivation tray transfer mechanism of a known plant cultivation apparatus, the transfer shelf (lift) is lengthened in the width direction for a plurality of cultivations. In order to place trays at the same time, or to place work devices or handling devices other than cultivation trays on transfer shelves (lifts), the transfer shelves (lifts) and traveling columns must be greatly strengthened. There was a problem.

In addition, since the transfer shelf (lift) is lifted and lowered by a known means such as a chain by sprockets disposed at the upper and lower ends of the traveling column, a cable-like shape such as a chain around the transfer shelf (lift) and the traveling column. There is a problem that it is necessary to travel with the members wound around, and there are problems of safety and noise due to an increase in the number of movable members, and also a space for protecting them.

The present invention solves the problems of the prior art as described above, that is, the object of the present invention is to simplify the configuration of the cultivation tray transfer mechanism for moving the cultivation tray into and out of an arbitrary cultivation tray storage shelf. An object of the present invention is to provide a plant cultivating apparatus that can suppress twisting and bending, and can operate smoothly with high space efficiency.

The invention according to claim 1 includes a cultivation tray capable of cultivating a plurality of plant strains, a plurality of cultivation tray accommodation shelves arranged in a plurality of stages and a plurality of rows and each capable of accommodating the cultivation tray, and the cultivation tray. In a plant cultivation apparatus having a cultivation tray transfer mechanism that moves into and out of an arbitrary cultivation tray storage shelf, the cultivation tray transfer mechanism includes a transfer shelf on which the cultivation tray can be placed, and both sides of the transfer shelf. A pair of linear guides fixed to the base, a pair of lifting guides standing up through the linear guides to guide the lifting and lowering of the transfer shelf, and provided in parallel to the lifting guides, respectively. A pair of lift chains, a pair of lift sprockets provided on both sides of the transfer shelf and engaged with the lift chains, respectively, and a pair of lift sprockets provided below the transfer shelf are driven to rotate Elevating By having a motion means, it is intended to solve the above problems.

In the invention according to claim 2, in addition to the configuration of the plant cultivation apparatus according to claim 1, the cultivation tray transfer mechanism grips and moves the plant strain individually from the cultivation tray above the transfer shelf. By having a possible handling mechanism, the above problem is further solved.

In addition to the configuration of the plant cultivation apparatus according to claim 1 or 2, the transfer shelf has a width that allows a plurality of cultivation trays to be placed in parallel. Therefore, the above-mentioned problem is further solved.

The invention according to claim 4 is characterized in that, in addition to the configuration of the plant cultivation apparatus according to any one of claims 1 to 3, the lifting chain is provided on a chain support guide provided in parallel with the lifting guide. By fixing, the said subject is further solved.

The invention according to claim 5 is characterized in that, in addition to the configuration of the plant cultivation apparatus according to claim 4, the linear guide includes a guide member that slides and guides the chain support guide from the back surface. Is a further solution.

In the invention according to claim 6, in addition to the configuration of the plant cultivation apparatus according to any one of claims 1 to 5, the lifting sprocket is engaged with two or more teeth simultaneously with the lifting chain. By being comprised so that the said subject may be solved further.

In addition to the configuration of the plant cultivation apparatus according to any one of claims 1 to 6, the invention according to claim 7 includes the cultivation tray transfer mechanism including the pair of lifting guides and the pair of lifting guides. The above-described problem is further solved by being configured to move horizontally by moving the lifting chain as a unit in the horizontal direction.

The plant cultivation apparatus of the present invention includes a cultivation tray capable of cultivating a plurality of plant strains, a plurality of cultivation tray storage shelves arranged in a plurality of stages and a plurality of rows and each capable of accommodating a cultivation tray, and an arbitrary cultivation of a cultivation tray. By having the cultivation tray transfer mechanism that moves in and out of the tray storage shelf, the cultivation amount per unit space can be increased, and the following special effects can be achieved.

That is, in the plant cultivation apparatus according to the first aspect of the present invention, the cultivation tray transfer mechanism has a transfer shelf on which the cultivation tray can be placed, and a pair of linears fixed on both sides of the transfer shelf. By having a guide and a pair of elevating guides standing up through the linear guide to guide the elevating of the transfer shelf, it is supported on both sides in the width direction of the transfer shelf and is driven to elevate on both sides Therefore, even if a plurality of cultivation trays are placed at the same time in the width direction, or a working device or handling device other than the cultivation tray is placed on the transfer shelf, the whole is not strengthened. Twisting and bending can be suppressed.
Moreover, even if the weight balance changes on the transfer shelf as the cultivation tray enters and exits and the operation of the working device, handling device, etc., twisting and bending do not occur.

Furthermore, a pair of lifting chains provided in parallel with the lifting guides, a pair of lifting sprockets provided on both sides of the transfer shelf and respectively engaged with the lifting chains, and provided below the transfer shelf. By having a lifting drive means for rotationally driving a pair of lifting sprockets, the transfer shelf is lifted and driven by engaging the lifting sprocket with a lifting chain fixedly provided on the transfer shelf. Therefore, there are few movable members, safety is increased, noise is reduced, space for protecting movable parts can be reduced, and smooth and efficient operation is possible.

In addition to the effect produced by the plant cultivation apparatus according to the first aspect, the plant cultivation apparatus according to the second aspect of the present invention is configured such that the cultivation tray transfer mechanism individually supplies the plant strain from the cultivation tray above the transfer shelf. By having a handling mechanism that can be gripped and moved, according to the growth of the plant, it is possible to thin out individual plant strains that are cultivated in each cultivation tray using the handling mechanism or move them to other cultivation trays Therefore, it is possible to reduce useless space in the early stage of growth, further increase the cultivation amount per unit space to improve space efficiency, and provide an optimum environment according to the growth.

In addition to the effect produced by the plant cultivation apparatus according to claim 1 or claim 2, the plant cultivation apparatus according to the invention according to claim 3 has a width that allows the transfer shelf to mount a plurality of cultivation trays in parallel. By having it, it is possible to transfer a plurality of cultivation trays at a time, improving work efficiency, and thinning the plant strains cultivated in each cultivation tray individually or moving them to other cultivation trays Since the work can be performed between a plurality of cultivation trays on the transfer shelf, it can be performed at the same timing as the movement of the cultivation tray, and the work efficiency is improved and each cultivation tray can be managed. It becomes easy.

In addition to the effect which the plant cultivation apparatus which concerns on any one of Claim 1 thru | or 3 show | plays, the plant cultivation apparatus of the invention which concerns on this Claim 4 has the raising / lowering chain in the chain support guide provided in parallel with the raising / lowering guide. By being fixed, the elevating chain is fixed without bending, so that the elevating chain and the elevating sprocket are reliably engaged, and noise can be suppressed and smooth operation becomes possible.

In addition to the effect produced by the plant cultivation apparatus according to claim 4, the plant cultivation apparatus of the invention according to claim 5 has a guide member that slides and guides the chain support guide from the back surface. Since the bending of the support guide can be suppressed, the chain support guide can be reduced in weight, and the elevating chain and the elevating sprocket can be more reliably engaged.

In addition to the effect produced by the plant cultivation device according to any one of claims 1 to 5, the plant cultivation device according to the sixth aspect of the present invention is characterized in that the lifting sprocket is engaged with two or more teeth simultaneously with the lifting chain. By being comprised so that it may match, engagement of a raising / lowering chain and a raising / lowering sprocket is performed more reliably.

In addition to the effect produced by the plant cultivation apparatus according to any one of the first to sixth aspects, the plant tray transfer mechanism according to the seventh aspect of the present invention includes the pair of lifting guides and 1 A structure that enables horizontal movement by moving the pair of lifting chains as a single unit in the horizontal direction makes it possible to cultivate a larger amount of plants, increasing the amount of cultivation per unit space Efficiency is improved.

The whole perspective view of the plant cultivation apparatus which is one Example of this invention. The front view of the plant cultivation apparatus of FIG. The top view of the plant cultivation apparatus of FIG. The side view of the plant cultivation apparatus of FIG. The perspective view of the cultivation tray transfer mechanism of the plant cultivation apparatus which is one Example of this invention. The explanatory perspective view which omitted the handling mechanism of the cultivation tray transfer mechanism of FIG. The top view of FIG. The front view of FIG. The side view of FIG. FIG. 7 is an enlarged view of the vicinity of the lifting sprocket of FIG. 6. FIG. 8 is an enlarged view of the vicinity of the lifting sprocket of FIG. 7. The explanation perspective view of the handling mechanism of the plant cultivation device which is one example of the present invention. The top view of the handling mechanism of FIG. The front view of the handling mechanism of FIG. Explanatory drawing of expansion operation | movement of the holding arm of the handling mechanism of FIG. Operation | movement explanatory perspective view of the plant cultivation apparatus which is one Example of this invention The top view of FIG. The front view of FIG. The side view of FIG. Explanatory perspective view of transfer of cultivation tray by handling mechanism. The side view of FIG.

The plant cultivation apparatus of the present invention includes a cultivation tray capable of cultivating a plurality of plant strains, a plurality of cultivation tray storage shelves arranged in a plurality of stages and a plurality of rows and each capable of accommodating a cultivation tray, and an arbitrary cultivation of a cultivation tray. In a plant cultivation apparatus having a cultivation tray transfer mechanism that moves into and out of a tray storage shelf, the cultivation tray transfer mechanism is fixedly installed on both sides of the transfer shelf and a transfer shelf on which the cultivation tray can be placed. A pair of linear guides, a pair of lifting guides standing up through the linear guides to guide the lifting and lowering of the transfer shelf, and a pair of lifting guides provided in parallel to the lifting guides A chain, a pair of elevating sprockets provided on both sides of the transfer shelf and engaging with the elevating chains, respectively, and an elevating drive means provided below the transfer shelf for rotationally driving the pair of elevating sprockets The cultivation tray If it is possible to suppress twisting and bending while simplifying the configuration of the cultivation tray transfer mechanism that moves into and out of an arbitrary cultivation tray storage shelf, it is possible to operate it efficiently and efficiently. Any embodiment may be used.

That is, the plant cultivation apparatus of the present invention may be any plant such as vegetables, cereals, beans, fruits, ornamental plants, etc., or may start growing from any state such as seeds or seedlings. The growth may be completed in any state.
Further, the plant cultivation apparatus of the present invention may be installed indoors or outdoors such as in a greenhouse or building, and sunshine, irrigation, fertilization, etc. may be performed by any method. .

Moreover, the cultivation tray used for the plant cultivation apparatus of the present invention may directly hold soil, may hold pot-like soil or cultivation land, and is a cultivation area such as hydroponics and spray cultivation. It may be what becomes.
In addition, the work necessary for cultivation at the work station of the plant cultivation apparatus of the present invention is to perform sensing such as pH of the nutrient solution, EC, dissolved oxygen concentration, etc., and automatically perform work such as fertilization and irrigation as necessary. It may be a thing.

Below, the plant cultivation apparatus which is an Example of this invention is demonstrated based on drawing.
The plant cultivation apparatus 100 which is one Example of this invention can each accommodate the cultivation tray 120 which can grow a some plant strain | stump | stock as shown in FIG. 1 thru | or FIG. A work station that includes a cultivation tray storage shelf 110 and a cultivation tray transfer mechanism 150 that moves the cultivation tray 120 into and out of the arbitrary cultivation tray storage shelf 110, and the lowermost cultivation tray storage shelf performs operations necessary for cultivation. The cultivation tray transfer mechanism 150 is provided with a handling mechanism 140 that can individually hold and move plant stocks from the cultivation tray 120.

The cultivation tray storage shelves 110 and the work stations 130 at each stage are provided in two horizontal rows, and the cultivation tray transfer mechanism 150 corresponds to the cultivation tray accommodation shelves 110 and the work stations 130 at two stages. It is comprised so that the cultivation tray 120 of a sheet can be mounted side by side.
1, 2, and 4 are illustrated in two places, upper and lower, to indicate the upper and lower movement limits of the cultivation tray transfer mechanism 150 and the handling mechanism 140.

In the cultivation tray transfer mechanism 150, as shown in FIG. 5, a transfer shelf 152 on which two cultivation trays 120 can be placed side by side moves up and down along a pair of lifting guides 151 provided on the left and right. It is configured to be possible.
An elevating chain 154 is arranged in parallel with the elevating guide 151, and the transfer shelf 152 is configured such that the elevating sprocket 153 engaged with the elevating chain 154 is rotationally driven by the elevating drive means 155 provided on the lower surface side. Move up and down.

The transfer shelf 152 is provided with a transfer roller 156 corresponding to the moving direction of the two cultivation trays 120 to be placed, and a support frame 157 is provided above the transfer shelf 152. A handling mechanism 140 is provided.

The cultivation tray transfer mechanism 150 will be described in more detail.
As shown in FIGS. 6 to 11 (the handling mechanism 140 is omitted), linear guides 158 are formed on both sides of a transfer shelf 152 that is formed in a frame shape and on which two cultivation trays can be placed in the width direction. The pair of elevating guides 151 are inserted through the linear guides 158, thereby guiding the transfer shelf 152 so that it can move up and down while maintaining a constant posture.

A pair of lifting sprockets 153 provided on both sides of the transfer shelf 152 includes a motor 172 and a speed reducer 173 provided near the center in the width direction below the transfer shelf 152, and a rotation shaft extending from the speed reducer 173. It is rotated by the lifting drive means 171.

The elevating chain 154 is fixed to a chain support guide 175 provided in parallel with the elevating guide 151, so that bending is prevented by the rigidity of the chain support guide 175, and a guide member 174 provided on the linear guide 158 includes: Sliding guide from the back side of the lifting / lowering chain 154 of the chain support guide 175 in the vicinity of the engagement point with the lifting / lowering sprocket 153 further suppresses the deflection, and the engagement between the lifting / lowering chain 154 and the lifting / lowering sprocket 153 is ensured and noise is suppressed. Smooth operation is possible.

The elevating sprocket 153 has a tooth shape and a diameter in which two or more teeth are always engaged with the elevating chain 154, and is configured to be engaged more reliably.
In this embodiment, the elevating guide 151 is formed in a columnar shape, but may have any shape such as a prismatic shape, a T-shaped section, or an H-shaped section.

In addition, the arrangement of the motor 172, the speed reducer 173, and the like is provided near the center in the width direction below the transfer shelf 152 in consideration of the weight balance, but includes other configurations provided on the transfer shelf 152. In consideration of the weight balance, it may be arranged at an appropriate position.

In the present embodiment, the cultivation tray storage shelves 110 are arranged in two rows and the cultivation tray transfer mechanism 150 is configured to only move up and down. The raising / lowering guide 151 and the pair of raising / lowering chains 154 may be integrally movable so that the cultivation tray transfer mechanism 150 can be moved up and down and moved in the horizontal direction, thereby cultivating a larger amount of plants. It becomes possible.

The handling mechanism 140 includes an X-axis frame 141, a Y-axis frame 142, a Z-axis frame 143, a gripping arm rotating means 144, and a gripping arm 160, as shown in FIGS. Has a structure in which four axes of three orthogonal axes and one rotation axis are controlled.

That is, the X-axis frame 141 can move on the support frame 157 of the cultivation tray transfer mechanism 150 in the row direction (X direction) of the cultivation tray storage shelf 110, and the Y-axis frame 142 moves on the X-axis frame 141 in the X direction. The Z-axis frame 143 can move in the vertical direction (Z direction) with respect to the Y-axis frame 142, and the gripping arm 160 can move in the Z-axis frame. The grip arm rotating means 144 fixed to 143 is configured to be pivotable at the lower end thereof.
In FIGS. 12 to 14, positions in six directions are shown in order to show the turning of the grip arm 160.

As shown in FIG. 15, the gripping arm 160 includes a pivoting part 161 having a shaft support part 163 at one end and a gripping claw driving part 164 at the other end, and a pair of gripping claws 162 provided below the gripping claw driving part 164. The shaft support portion 163 is fixed to the rotation shaft (not shown) of the grip arm rotating means 144 and can be turned, and the pair of grip claws 162 can be opened and closed by the grip claw driving portion 164. It is configured.

In the present embodiment, the plant strain S is individually planted in the seedling pot P held on the cultivation tray 120, and the gripping claws 162 of the handling mechanism 140 grip and release the seedling pot P, and the plant strain S is placed on the cultivation tray 120. By placing or removing, the plant strain S cultivated in each cultivation tray 120 is individually thinned out or moved to another cultivation tray 120.

The operation of the plant cultivation apparatus 100 configured as described above will be described with reference to FIGS.
First, the seedling pot P planted with the plant strain S at the initial stage of seedling is placed on the initial cultivation tray 122 where the seedling pots P can be densely placed, and the initial cultivation tray 122 is placed on the work station 130 which also serves as an entrance / exit. Is done.

The initial cultivation tray 122 placed on the work station 130 is moved to the cultivation tray transfer mechanism 150 and is accommodated in an arbitrary cultivation tray accommodation shelf 110.
At this time, it is configured such that the cultivation tray 120 is moved between the cultivation tray transfer mechanism 150 and the work station 130 or each cultivation tray storage shelf 110 by the gripping claws 162 of the handling mechanism 140, thereby providing a separate cultivation tray. The transfer means 120 becomes unnecessary.

For example, as shown in FIGS. 20 and 21, the engaging portion 123 is provided on the outer frame of the cultivation tray 120, the tray moving pin 165 is provided on the grip claw 162 of the handling mechanism 140, and the tray moving pin 165 is engaged with the engaging portion. By inserting into the hole provided in 123, the cultivation tray 120 can be moved in the pushing and pulling direction by the movement of the handling mechanism 140.

In each cultivation tray storage shelf 110, the environment such as sunlight, temperature, and humidity necessary for growth is adjusted, and the initial cultivation tray 122 is transferred to the work station 130 by the cultivation tray transfer mechanism 150 at appropriate timing for fertilization and irrigation. By moving it, the equipment is simplified and management becomes easy.

The work station 130 is provided with a growth detection mechanism (not shown) for detecting the state of the plant strain S. When the initial cultivation tray 122 is moved to the work station 130 by the cultivation tray transfer mechanism 150, thinning is performed. When it is determined that the seedling pot P is necessary, the nursery pot 162 of the handling mechanism 140 is used to transfer the seedling pot P to the late cultivation tray 121 in which the seedling pots P as shown in FIGS.

At this time, in the illustrated example, since the movement range of the gripping claws 162 of the handling mechanism 140 is limited to the transfer shelf 152 of the cultivation tray transfer mechanism 150, the initial cultivation tray 122 and the late cultivation tray are not illustrated. Both 121 are arranged on the transfer shelf 152 and the transfer work of the seedling pot P is performed.

In addition, by selecting the seedling pot P to be transferred so that the interval between the seedling pots P remaining in the initial cultivation tray 122 is optimized, the initial cultivation tray 122 is thinned and used for subsequent cultivation in the subsequent stage. can do.

In addition, the growth detection mechanism is constituted by an image capturing means such as a CCD camera, and the growth state and lesions are judged from the size information and color information, and then transferred from the good plant strain S to the late cultivation tray 121 in order. You may make it exclude the plant stock S in which a defect, a lesion | pathology, etc. are recognized with the initial stage cultivation tray 122. FIG.

Further, the handling mechanism 140 may be provided on the work station 130 side, and the movement range of the gripping claws 162 of the handling mechanism 140 is extended in the Y-axis direction so that the transfer shelf 152 of the cultivation tray transfer mechanism 150 and the work station 130 or It may be possible to transfer the seedling pot P between the cultivation tray storage shelves 110.
By doing so, the freedom degree of the position which performs the procedure with the work in connection with other cultivation, or a transfer work improves, and the work efficiency as a whole improves.

Further, by providing a growth detection mechanism in the cultivation tray transfer mechanism 150, it is possible to determine whether or not thinning is necessary without moving the cultivation tray 120 to the work station 130, and transfer is performed on the side of each cultivation tray storage shelf 110. Work efficiency can be improved by performing work.

Furthermore, in the said Example, although the holding nail | claw 162 of the handling mechanism 140 is comprised so that the raising seed pot P may be hold | released, when plant strains are directly grown on the cultivation tray 120 without using the raising seed pot P By configuring the gripping claws 162 of the handling mechanism 140 so that the plant strain S can be directly gripped, it is possible to perform a thinning operation.

Further, in this embodiment, the multi-stage cultivation tray storage shelves 110 are arranged only on the front side of the cultivation tray transfer mechanism 150, but the multi-stage cultivation tray accommodation shelves 110 may be arranged on the back side, Each cultivation tray storage shelf 110 may have a length in which a plurality of cultivation trays 120 can be placed in a column in the Y direction.
By doing so, it becomes possible to work on more cultivation trays 120 with one cultivation tray transfer mechanism 150 and one work station 130, and the space efficiency is further improved.

Moreover, the height of the cultivation tray accommodation shelf 110 may differ for every step, and the step accommodated according to a growth condition may be changed.
Furthermore, in order to adjust temperature, humidity, etc., the whole may be covered with a cover and blown from the air conditioner, or a partition or the like may be provided to change the conditions for each cultivation tray storage shelf 110.
Moreover, an air-conditioning installation and a power supply installation can make the whole installation area small by accommodating in the space under the cultivation tray storage shelf 110 of the lowest stage.

As described above, according to the present invention, it is possible to suppress twisting and bending while simplifying the configuration of the cultivation tray transfer mechanism for moving the cultivation tray into and out of an arbitrary cultivation tray storage shelf, and space efficiency. The effect is enormous, such as being able to operate well and smoothly.

The specific configuration of the cultivation tray transfer mechanism 150 is not limited to that of the embodiment as long as the cultivation tray 120 can be moved into and out of an arbitrary cultivation tray storage shelf 110, and any structure can be used. It may be.

The specific structure of the handling mechanism 140 is not limited to that of the embodiment as long as the seedling pot P or the plant strain S can be grasped / opened and transferred, and any structure may be used. .

DESCRIPTION OF SYMBOLS 100 ... Plant cultivation apparatus 110 ... Cultivation tray storage shelf 120 ... Cultivation tray 121 ... Late cultivation tray 122 ... Initial cultivation tray 123 ... Engagement part 130 ... Work station 140 -Handling mechanism 141-X-axis frame 142-Y-axis frame 143-Z-axis frame 144-Holding arm rotating means 150-Cultivation tray transfer mechanism 151-Lifting guide 152 ..Transfer shelf 153... Lifting sprocket 154... Lifting chain 155... Lifting drive means 156 .. Transfer roller 157... Support frame 158.・・・ Swivel part 162 ・・・ Shaft support part 163 ・・・ Grip claw 164 ・・・ Grip claw drive part 165 ・・・ Tray moving pin 171 ・・・ Drive shaft 172 Motor 173 ... reduction gear 174 ... guide member 175 ... chain support guide S ... plant line P ... seedling pots

Claims

A cultivation tray capable of cultivating a plurality of plant strains, a plurality of cultivation tray storage shelves arranged in a plurality of stages and a plurality of rows and capable of accommodating each of the cultivation trays, and the cultivation tray being moved into and out of any cultivation tray accommodation shelf In a plant cultivation device having a cultivation tray transfer mechanism
The cultivation tray transfer mechanism is erected so as to penetrate the transfer guide, a transfer shelf on which the cultivation tray can be placed, a pair of linear guides fixed to both sides of the transfer shelf, and the linear guide. A pair of elevating guides for guiding the elevating and lowering of the transfer shelf, a pair of elevating chains provided in parallel to the elevating guide, respectively, and the elevating chains provided on both sides of the transfer shelf. A plant cultivation apparatus comprising: a pair of lifting sprockets to be combined; and a lifting drive means provided below the transfer shelf for rotationally driving the pair of lifting sprockets.
The plant cultivation apparatus according to claim 1, wherein the cultivation tray transfer mechanism has a handling mechanism capable of individually grasping and moving a plant strain from the cultivation tray above the transfer shelf.
The plant cultivation apparatus according to claim 1 or 2, wherein the transfer shelf has a width that allows a plurality of cultivation trays to be placed in parallel.
The plant cultivation apparatus according to any one of claims 1 to 3, wherein the elevating chain is fixed to a chain support guide provided in parallel with the elevating guide.
The plant cultivation apparatus according to claim 4, wherein the linear guide includes a guide member that slides and guides the chain support guide from the back side.
The plant cultivation apparatus according to any one of claims 1 to 5, wherein the elevating sprocket is configured such that two or more teeth engage simultaneously with the elevating chain.
The said cultivation tray transfer mechanism is comprised so that a horizontal movement is possible by moving the pair of raising / lowering guide and a pair of raising / lowering chain as a unit in the horizontal direction. The plant cultivation apparatus in any one of.