WO2018221098A1 - Transplanting device and transplanting method - Google Patents

Transplanting device and transplanting method Download PDF

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Publication number
WO2018221098A1
WO2018221098A1 PCT/JP2018/016971 JP2018016971W WO2018221098A1 WO 2018221098 A1 WO2018221098 A1 WO 2018221098A1 JP 2018016971 W JP2018016971 W JP 2018016971W WO 2018221098 A1 WO2018221098 A1 WO 2018221098A1
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WO
WIPO (PCT)
Prior art keywords
seedling
panel
elevating member
root
piece
Prior art date
Application number
PCT/JP2018/016971
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French (fr)
Japanese (ja)
Inventor
哲 東田
孝幸 目黒
Original Assignee
株式会社椿本チエイン
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Filing date
Publication date
Application filed by 株式会社椿本チエイン filed Critical 株式会社椿本チエイン
Publication of WO2018221098A1 publication Critical patent/WO2018221098A1/en

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/08—Devices for filling-up flower-pots or pots for seedlings; Devices for setting plants or seeds in pots
    • A01G9/086—Devices for repotting
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C11/00—Transplanting machines
    • A01C11/02—Transplanting machines for seedlings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G31/00—Soilless cultivation, e.g. hydroponics

Definitions

  • the present invention relates to a transplant device for transplanting seedlings.
  • a hydroponic seedling automatic transplanting machine described in Patent Document 1 is known as a transplanting apparatus for transplanting seedlings.
  • this transplanter when transplanting a seedling of a plant grown in a seedbed piece into a hole of a transplant destination such as a growth panel, water is obliquely applied to the root of the seedling extending so as to spread outward from the lower surface of the seedbed piece. It is comprised so that it may inject. That is, the sprayed water travels down the seedling roots and hangs down the seedling roots. In this state, the seedbed pieces are lowered, so that the seedling roots first pass through the holes, followed by the seedbed pieces in the holes. To be inserted.
  • the wetting generation unit preferably makes the surface of the elevating member wet with a sufficient amount of liquid necessary for the seedling root to stick to the surface with the surface tension of the liquid.
  • the surface of the elevating member is not wetted by supplying a large amount of liquid. Therefore, it is possible to suppress the excess liquid from being scattered on the transplant destination panel and the transplanted nursery piece.
  • At least a part of the surface of the elevating member is configured by an outer surface extending long in the vertical direction, and the outer surface is wetted by the liquid by the wetting generation unit.
  • the outer surface that extends in the vertical direction in the elevating member is wet with the liquid by the wetting generation unit, even if the root of the seedling extends from the lower surface of the seedbed piece, it is so long.
  • the extended root of the seedling can be attached to the outer surface of the elevating member while extending in the vertical direction. Therefore, even when the seedling root extends long from the lower surface of the seedbed piece, the risk of the seedling root being caught at the edge of the hole in the panel during transplantation can be reduced.
  • the elevating member is a pipe extending in a vertical direction
  • the wetting generation unit is configured such that the liquid supplied with the inner side of the pipe facing upward from the upper end opening of the pipe. It is preferable that the outer surface of the pipe is wetted with the liquid by flowing along the outer surface.
  • the panel is provided with a plurality of holes arranged in at least one row, and the elevating member is composed of a plurality of pipes arranged in parallel corresponding to the row of holes in the panel. It is preferable.
  • the root of the seedling extends so as to spread outward from the seedbed piece at the time of transplantation, the root of the seedling is wet when contacted and sticks to the lifting member. Therefore, the seedling roots are all aligned and pass through the hole. As a result, the seedbed piece is surely inserted into the hole of the transplant destination.
  • the step of bringing the seedling root into a wet state and bringing it into contact with the surface of the elevating member above the panel means that at least the seedling root is wet when the seedling root and the elevating member are in contact with each other. Means good.
  • the wetting generation unit can be omitted as a device configuration of the transplanting device for carrying out the present transplanting method.
  • the seedling piece is inserted into the transplant destination hole in such a state that the whole seedling roots extending so as to spread outward from the lower surface of the seedbed piece are transplanted and pass through the transplant destination hole. be able to.
  • the perspective view showing the whole outline about one embodiment of a transplant device The perspective view which shows the state which the raising / lowering member raised from the state of FIG.
  • the side view which shows the principal part of the transplant apparatus in FIG. The perspective view which shows the state which the clamping part and the raising / lowering member moved relatively from the state of FIG.
  • the side view which shows the principal part of the transplant apparatus in FIG. FIG. 5 is a perspective view showing a state in which both the sandwiching portion and the lifting member are lowered from the state shown in FIG. 4.
  • the front view which shows the principal part of the transplant apparatus in FIG. The perspective view of the transplant apparatus which shows the transplant completion state by which the seedbed piece was inserted in the hole of the panel.
  • the transplanting device 11 transplants a panel transport mechanism 13 that transports a panel 12 to which a plant seedling 100 is transplanted and a seed bed piece 101 in which the seedling 100 is planted to the panel 12.
  • a transplantation mechanism 14 the transplant apparatus 11 in this embodiment is an apparatus which transplants the seedling 100 planted in the seed bed piece 101 which is an elastically deformable block made of a foamed resin such as urethane to the panel 12 together with the seed bed piece 101.
  • the panel 12 is provided in a plate shape having a thickness substantially the same as the height along the vertical direction Z of the cubic seedbed piece 101, and a plurality of holes 15 penetrating in the vertical direction Z from the upper surface to the lower surface. have.
  • the panel transport mechanism 13 includes a pair of left and right horizontal guide rails 16 extending in the depth direction X of the transplanting device 11, and the panel 12 is moved along the guide rails 16 in the depth direction X as a panel drive mechanism (not shown) is driven. Transport to.
  • the panel 12 is provided with a plurality of holes 15 arranged in at least one line, and each hole 15 penetrates vertically.
  • a total of 20 holes 15 arranged in a matrix form with five holes 15 arranged in the depth direction X of the transplant device 11 and four holes 15 arranged in the width direction Y of the transplant device 11 in each row. are formed in the panel 12. Further, in FIG. 1, the hole 15 of the panel 12 is opened in a circular shape. However, when the cubic seedbed piece 101 is inserted from above, if the shape can hold the seedbed piece 101, it is circular.
  • the shape is not limited and may be a polygonal shape such as a square shape.
  • the transplanting mechanism 14 moves the clamping part 17 provided so that the seedbed piece 101 can be clamped, and the clamping part 17 in three directions of the depth direction X, the width direction Y, and the vertical direction Z.
  • a first moving mechanism 18 that can be moved, an elevating member 19 provided so as to be able to pass through the hole 15 of the panel 12 in the vertical direction Z, and the elevating member 19 in the depth direction X, the width direction Y, and the vertical direction Z.
  • a second moving mechanism 20 that is movable.
  • the sandwiching unit 17 includes a pair of sandwiching pieces 21 capable of sandwiching the seedbed piece 101 from both the left and right sides, and a sandwiching drive unit 22 (see FIG.
  • the sandwiching portion 17 is attached to the support metal 23 in a state where a plurality (four in the illustrated example) of the sandwiching portions 17 are arranged in the width direction Y so as to correspond to the holes 15 of the panel 12. .
  • the first moving mechanism 18 includes a pair of left and right nursery piece X-direction drive units 24 arranged so as to sandwich the panel transport mechanism 13 from both sides in the width direction Y, as shown in FIG.
  • a seedbed piece Y-direction drive unit 25 is provided so as to extend in the width direction Y with respect to the pair of left and right seedbed pieces X-direction drive unit 24 on the back side in the depth direction X with respect to the sandwiching unit 17.
  • the nursery piece X-direction drive unit 24 is configured so that the holding unit 17 that holds the nursery piece 101 is moved in the depth direction X (X as indicated by a two-dot chain white arrow next to the nursery piece X-direction drive unit 24 in FIG. It is driven when moving forward or backward along the direction).
  • the nursery piece X direction drive part 24 was attached so that it could move forward or backward along the depth direction X based on the drive of a motor with respect to the rail member extended in the depth direction X as an example. Includes sliders.
  • the nursery piece Y-direction drive unit 25 is configured so that the holding unit 17 that holds the seedbed piece 101 is arranged in the width direction Y as indicated by a two-dot chain white arrow next to the nursery piece Y-direction drive unit 25 in FIG. Driven when moving forward or backward along (Y direction).
  • the nursery piece Y-direction drive unit 25 is, as an example, a rail member extending in the width direction Y and attached to the rail member so as to be able to move forward or backward along the width direction Y based on the drive of the motor. Includes sliders.
  • a first width direction slider 29 having a rectangular parallelepiped shape that is long in the vertical direction Z is driven in the seedbed piece Y-direction drive. It slides along the width direction Y (Y direction) with the drive of the part 25, and is attached so that a forward or backward movement is possible.
  • a first slider 30 that slides along the vertical direction Z and moves up or down is provided on the front surface of the first width direction slider 29 in the depth direction X. And the support metal fitting 23 of the clamping part 17 is being fixed to the front surface of this 1st up-down direction slider 30. As shown in FIG.
  • the clamping unit 17 is on the horizontal plane based on the driving of the first moving mechanism 18 including the seedbed piece X-direction driving unit 24 and the seedbed piece Y-direction driving unit 25 in a state where the seedbed piece 101 is clamped by each clamping piece 21.
  • the napbed seed bed piece 101 can be inserted into the hole 15 of the panel 12 when it is moved down from the position above the hole 15 of the panel 12 and moved downward along the first vertical slider 30.
  • the first vertical slider 30 is driven when the clamping unit 17 that holds the seedbed piece 101 is moved along the vertical direction Z (Z direction) as shown by the solid white arrow in FIG.
  • the first vertical slider 30 constitutes a part of the nursery piece Z-direction drive unit.
  • the elevating member 19 has a plurality of outer surfaces in which a part of the surface has a cylindrical surface shape centering on an axis 110 (see FIG. 3) along the vertical direction Z and extends long in the vertical direction Z. It is a pipe.
  • the elevating members 19 constituted by a plurality of pipes are arranged side by side corresponding to the rows arranged along the width direction Y of the holes 15 of the panel 12. Accordingly, each pipe simultaneously faces up and down with respect to the corresponding hole in each column of the panel 12 in the Y direction. In the case of the illustrated example, four pipes are arranged side by side.
  • the elevating member 19 is supported by a part of the second moving mechanism 20 via a rectangular parallelepiped hollow block 31 that is long in the width direction Y and a support bracket 32 having an inverted L-shaped cross section.
  • the second moving mechanism 20 includes an elevating member X-direction drive unit 33 provided so as to extend in the depth direction X of the transplant device 11 below the panel transport mechanism 13 as shown in a rectangular parallelepiped shape by a two-dot chain line in FIG.
  • the elevating member Y-direction drive unit 34 supported so as to extend in the width direction Y with respect to the elevating member X-direction drive unit 33 on the rear side in the depth direction X with respect to the elevating member 19.
  • the elevating member X-direction drive unit 33 moves the elevating member 19 along the depth direction X (X direction) as indicated by a two-dot chain white arrow next to the elevating member X-direction drive unit 33 in FIG. Driven when moving or returning.
  • the elevating member X-direction drive unit 33 can be moved forward or backward along the depth direction X based on a rail member extending in the depth direction X and driving of a motor (not shown) with respect to the rail member. Includes attached sliders and the like.
  • the elevating member Y direction driving unit 34 moves the elevating member 19 along the width direction Y (Y direction) as shown by a two-dot chain line white arrow next to the elevating member Y direction driving unit 34 in FIG. Driven when moving forward or backward.
  • the elevating member Y-direction drive unit 34 is, for example, a rail member extending in the width direction Y and attached to the rail member so as to be able to move forward or backward along the width direction Y based on the driving of a motor (not shown). Included sliders and the like.
  • the depth direction X which is the front side of the nursery piece Y-direction drive unit 25
  • the second width direction slider 36 is slid along the width direction Y (Y direction) as the elevating member Y direction drive unit 34 is driven, and is attached so as to be able to move forward or backward.
  • a second up-down direction rail portion 37 extending in the up-down direction Z is provided on the front side of the depth direction X that is the front surface of the second width direction slider 36.
  • the support bracket 32 of the elevating member 19 is fixed to the front surface of the second vertical slider 38 attached to the second vertical rail portion 37 so as to be able to ascend or descend along the vertical direction Z. Therefore, the elevating member 19 moves based on the driving of the second moving mechanism 20 including the elevating member X direction driving unit 33 and the elevating member Y direction driving unit 34, and in particular, the second vertical direction slider below the hole 15 of the panel 12.
  • the second vertical slider 38 is driven when the elevating member 19 is moved in the vertical direction Z (Z direction) as shown by the solid white arrow in FIG. In this respect, it can be said that the second vertical slider 38 constitutes a part of the elevating member Z-direction drive unit.
  • the elevating member 19 composed of a plurality of pipes has a lower end fixed to the upper surface of the hollow block 31 such that the inside communicates with the internal space of the hollow block 31.
  • the elevating member 19 is erected vertically from the upper surface of the hollow block 31 such that the outer surface having the cylindrical surface shape extends in the vertical direction Z.
  • One end (a left end in FIG. 1) of the hollow block 31 is connected to one end of a liquid supply unit 39 having a tubular shape, and a liquid supply tube (not shown) is connected to the other end of the liquid supply unit 39.
  • water which is an example of a liquid, can be supplied from the liquid supply tube to the internal space of the hollow block 31 through the liquid supply unit 39.
  • the elevating member 19 composed of a plurality of pipes is supplied with water 103 supplied from the liquid supply unit 39 through the hollow block 31 from below through the inside of the elevating member 19, After overflowing from the upper end opening 19 a, it is configured to flow down along the outer surface of the elevating member 19. Then, as the water 103 flows down along the outer surface of the elevating member 19 in this way, the outer surface which is a part of the surface of the elevating member 19 becomes wet with the liquid (in this case, water 103).
  • the liquid supply unit 39 that supplies such liquid (in this case, water 103) to the elevating member 19 provides a wetness generating unit that wets the surface of the elevating member 19 with the liquid.
  • the transplant device 11 includes a control device 120 (shown only in FIG. 1).
  • the control device 120 includes a microcontroller, an interface, a storage device that stores a control program, various data, and the like, and controls the operation of the transplant device 11 according to the elements, and the operation described below by the transplant device 11 Each part is controlled to execute.
  • the transplantation device 11 configured as described above will be described.
  • the seedbed pieces 101 on which the seedlings 100 to be transplanted are planted are separated from a seedbed mat (not shown) one by one and are held by the holding pieces 21 of the holding unit 17.
  • the panel transport mechanism 13 when transplanting a seed bed piece 101 in which a seedling 100 is planted to a transplant destination panel 12, the panel transport mechanism 13 first transports the panel 12 to a predetermined transplanting position in the transplanting device 11. Is done. Then, the seedbed piece 101 sandwiched by each sandwiching piece 21 of the sandwiching portion 17 is located in a depth direction X slightly above the hole 15 serving as a transplant destination at a position above the panel 12 based on the driving of the first moving mechanism 18. The position in the width direction Y is individually aligned with the corresponding hole 15 at the back side position.
  • the elevating member 19 is aligned in the depth direction X and the width direction Y so as to be positioned directly below the corresponding hole 15 based on the driving of the second moving mechanism 20.
  • the height position in the vertical direction Z is the second vertical direction slider of the second moving mechanism 20 so that the vertical movement member 19 is stopped at the lowest descending position in the vertical range in the vertical direction Z. 38.
  • water 103 as a liquid is not yet supplied from the liquid supply unit 39 to the elevating member 19. Therefore, the cylindrical outer surface extending in the vertical direction Z as a part of the surface of the elevating member 19 is not wet.
  • the second vertical slider 38 of the second moving mechanism 20 moves upward, and as the movement moves, the elevating member 19 rises to the highest raising position in the up and down range in the vertical direction Z. Then, the vehicle is stopped at that position. That is, the lifting member 19 has a part on the upper end side in the middle of its length direction passing through the hole 15 of the panel 12 upward, and the upper end opening 19a is sandwiched between the sandwiching portions 17 as shown in FIG. It rises to a position that is substantially the same height as the bottom surface of the seedbed piece 101. In this state, water (liquid) 103 is supplied from the liquid supply unit 39 through the hollow block 31 to the inside of the elevating member 19 from below.
  • the water 103 overflows from the upper end opening 19 a of the elevating member 19 and flows down along the outer surface of the elevating member 19.
  • the elevating member 19 is in a state where its outer surface is wetted with a sufficient amount of water 103 to attach the root 102 of the seedling 100 with surface tension.
  • the elevating member Y direction driving unit 34 is moved forward in the depth direction X based on the driving of the elevating member X direction driving unit 33 (for example, in FIG. 5). Move slightly to the left). Specifically, it moves by a distance corresponding to the distance in the depth direction X between the center of the lower surface of the seedbed piece 101 held by the holding portion 17 and the axis 110 of the elevating member 19 at that time.
  • the root 102 of the seedling 100 extending downward from the lower surface of the seedbed piece 101 comes into contact with the outer surface of the lifting member 19.
  • the first moving mechanism 18 is configured so that the root 102 of the seedling 100 extending downward or outward from the lower surface of the seedbed piece 101 sandwiched by the sandwiching section 17 and the lifting member 19 are in contact with each other. This corresponds to a moving mechanism that relatively moves the elevating member 19.
  • the root 102 of the seedling 100 in contact with the outer surface of the elevating member 19 sticks to the outer surface of the elevating member 19 by the surface tension of the water 103 that makes the outer surface of the elevating member 19 wet at that time. That is, the root 102 of the seedling 100 in contact with the outer surface of the elevating member 19 is stuck to the outer surface of the elevating member 19 by the surface tension of the water W even if a part of the root 102 extends outward.
  • the part connected from the sticking part to the distal end side or the root side of the root 102 is also drawn by the surface tension of the water 103 in a chain and sticks to the outer surface of the lifting member 19. As a result, the entire root 102 of the seedling 100 is aligned so as to hang along the lifting member 19.
  • the outer side surface of the lifting member 19 extends in the vertical direction Z, even when the root 102 of the seedling 100 extending downward from the lower surface of the seedbed piece 101 is long, the root 102 is lifted from the root to the tip. It sticks to the outer surface.
  • the outer surface of the elevating member 19 has a cylindrical surface shape centering on the axis 110 along the vertical direction Z, so that the root 102 of the seedling 100 is smooth with respect to the outer surface of the elevating member 19. It sticks like it wraps around. As a result, when sticking to the outer surface of the elevating member 19, the possibility that the root 102 of the seedling 100 is broken and damaged can be reduced.
  • the root 102 of the seedling 100 gets wet with the water 103 and sticks to the outer surface of the lifting member 19. That is, the liquid supply unit 39 as the wetting generation unit, the first moving mechanism 18 and the second moving mechanism 20 wet the root 102 of the seedling 100 extending outward from the seedbed piece 101 and stick it to the lifting member 19. This also functions as means for dripping the root 102 of the seedling 100 downward. Further, as an additional or alternative means for attaching the entire root 102 of the seedling 100 to the outer surface of the elevating member 19, for example, at least one of the sandwiching portion 17 and the elevating member 19 is relatively relative to the other.
  • the control device 120 may control at least one of the first moving mechanism 18 and the second moving mechanism 20 so as to move in small increments.
  • the entire root 102 extending outward from the lower surface of the seedbed piece 101 can be more easily attached to the outer surface of the elevating member 19.
  • the root 102 of the seedling 100 does not necessarily have to be attached to the outer surface of the elevating member 19 so as to be wound around. That is, the root 102 of the seedling 100 may simply be attached to the outer surface of the lifting member 19.
  • the first vertical slider 30 of the first moving mechanism 18 and the second vertical slider 38 of the second moving mechanism 20 are both synchronized and simultaneously moved downward at the same speed.
  • both the sandwiching portion 17 and the lifting member 19 are simultaneously moved downward at the same speed in synchronization.
  • the root 102 of the seedling 100 of the seedbed piece 101 sandwiched by the sandwiching portion 17 remains attached to the outer surface of the elevating member 19 passing through the hole 15 of the panel 12 downward. Pass downwards. That is, the root 102 of the seedling 100 passes through the hole 15 from the upper side to the lower side without being caught by the edge of the hole 15.
  • the wetness generating unit is not limited to a configuration in which the surface of the elevating member 19 is wetted with water (liquid) 103. That is, the root 102 of the seedling 100 extending downward from the seedbed piece 101 sandwiched by the sandwiching portion 17 is in a state of being wetted with water (liquid) 103, or extends downward from such seedbed piece 101.
  • the root 102 of the seedling 100 and the surface of the elevating member 19 may be both wet with water (liquid) 103.
  • the root 102 of the seedling 100 may be configured to extend downward from another surface other than the lower surface such as the side surface of the seedbed piece 101 in addition to the configuration extending downward from the lower surface of the seedbed piece 101.
  • the wetting generation unit may be configured to be provided at a position different from the liquid supply unit 39 that supplies water (liquid) 103 to the inside of the pipe-shaped lifting member 19 through the hollow block 31.
  • an injection port capable of injecting water 103 is provided on the surface that contacts the side surface of the seedbed piece 101 when the nursery piece 101 is held in the holding piece 21 of the holding unit 17, and is injected from the injection port to the seedbed piece 101.
  • the wet generation unit may be configured by allowing the infiltrated water 103 to flow along the outer surface of the elevating member 19 in contact with the lower surface of the seedbed piece 101.
  • a liquid supply unit configured to supply water (liquid) 103 sufficient to generate surface tension on the outer surface of the member 19 from the outside such as the side of the elevating member 19 to the elevating member 19 is supplied. Also good.
  • the wetness generating unit is not configured to inject or supply the water (liquid) 103, and for example, causes condensation on the outer side surface (surface) of the elevating member 19 by using a chiller or the like to make it wet.
  • the wetting generation unit may be configured. In short, any configuration may be used as long as the outer surface (surface) of the elevating member 19 can be in a wet state so as to generate a surface tension for attaching the root 102 of the seedling 100 to the outer surface (surface) of the elevating member 19. .
  • the raising / lowering member 19 may not be a hollow pipe shape inside, but a solid cylindrical shape.
  • the outer surface may not be a cylindrical surface shape, but the external shape of the cross section orthogonal to the up-down direction Z may be a polygon or an indeterminate form.
  • the elevating member 19 has a shape capable of passing through the hole 15 of the panel 12 with the root 102 of the seedling 100 attached, it has a spherical shape or other indefinite shape in addition to a pipe shape or other rod shape. It may be a thing.
  • the surface on which the root 102 of the seedling 100 is stuck on the lifting member 19 is not limited to the outer surface, and may be another surface such as the upper surface of the lifting member 19.
  • the sandwiching portion 17 and the lifting member 19 are in the depth direction.
  • they may be moved relative to each other in the width direction Y, or may be moved relative to each other in the vertical direction Z.
  • any structure may be used as long as it is relatively moved in at least one of the depth direction X, the vertical direction Z, and the width direction Y to make contact.
  • the clamping unit 17 may be configured to be movable only in the vertical direction Z as the first vertical slider 30 moves. In short, if the first moving mechanism 18 has a configuration (such as the first vertical slider 30) that allows the clamping unit 17 to move in the vertical direction Z, the clamping unit 17 can be moved in the depth direction X or the width direction Y. It is not necessary to have a configuration that allows movement. That is, the first moving mechanism 18 that can move the clamping unit 17 may omit the seedbed piece X-direction drive unit 24 and the seedbed piece Y-direction drive unit 25.
  • the elevating member 19 may be configured to be movable only in the vertical direction Z in accordance with the movement of the second vertical slider 38.
  • the second moving mechanism 20 has a configuration (such as the second vertical slider 38) that allows the lifting member 19 to move in the vertical direction Z, the lifting member 19 is moved in the depth direction X or the width direction Y. It is not necessary to have a configuration that allows movement. That is, the second moving mechanism 20 that allows the lifting member 19 to move may omit the lifting member X-direction drive unit 33 and the lifting member Y-direction drive unit 34.
  • SYMBOLS 11 Transplant device, 12 ... Panel, 15 ... Hole, 17 ... Clamping part, 18 ... 1st moving mechanism (moving mechanism), 19 ... Lifting member, 19a ... Upper end opening, 20 ... 2nd moving mechanism (moving mechanism), 39 ... Liquid supply unit (wetting generator), 101 ... Nursery piece, 102 ... Root, 110 ... Axis, 100 ... Seedling.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Soil Sciences (AREA)
  • Hydroponics (AREA)
  • Transplanting Machines (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)

Abstract

This transplanting device is provided with: a clamping part that is provided to be capable of clamping a seedbed piece in which seedlings have been planted and that is provided to be movable at least in the vertical direction; an elevating member that is provided to be movable up and down so as to pass through, in the vertical direction, a hole provided in a panel of a transplantation destination of the seedlings; and a moving mechanism that causes the clamping part and the elevating member to move relative to each other so that the elevating member and roots of the seedlings, which extend downward from the seedbed piece clamped by the clamping part, contact each other.

Description

移植装置および移植方法Transplantation device and transplantation method
　本発明は、苗を移植する移植装置に関する。 The present invention relates to a transplant device for transplanting seedlings.
　従来から、苗を移植する移植装置として、例えば特許文献１に記載の水耕苗の自動移植機が知られている。この移植機では、苗床片で育てた植物の苗を生育パネル等の移植先の穴に移植する際、苗床片の下面から外方へ広がるように延びている苗の根に斜め上方から水を噴射するように構成されている。すなわち、噴射された水が苗の根を伝わり落ちて苗の根を垂下させ、その状態において苗床片が下降されることにより、先ず苗の根が穴を通過し、それに続けて苗床片が穴内に挿入されるようにしている。 Conventionally, a hydroponic seedling automatic transplanting machine described in Patent Document 1, for example, is known as a transplanting apparatus for transplanting seedlings. In this transplanter, when transplanting a seedling of a plant grown in a seedbed piece into a hole of a transplant destination such as a growth panel, water is obliquely applied to the root of the seedling extending so as to spread outward from the lower surface of the seedbed piece. It is comprised so that it may inject. That is, the sprayed water travels down the seedling roots and hangs down the seedling roots. In this state, the seedbed pieces are lowered, so that the seedling roots first pass through the holes, followed by the seedbed pieces in the holes. To be inserted.
特開平１１－１０３７０３号公報JP-A-11-103703
　ところで、苗の根は、その生え始めの時期や、その長さ及び形状が苗ごとに異なる。そのため、苗床片の下面から外方へ広がるように延びている苗の根元に水を噴射したとしても、その苗の根元から伝わり落ちる水により根が向く方向には個体差が発生する。すなわち、苗の根元から伝わり落ちる水によっては苗床片の下面から外方へ広がっている苗の根を垂下させられない場合があった。したがって、そうした状態で苗床片を下降させた場合には、苗の根の先端が移植先の穴の縁に引っ掛かり、苗の根の全体が揃って穴を通過する状態にはならないため、所望どおりに苗床片を移植先の穴に挿入できない虞があった。 By the way, the roots of seedlings, the lengths and shapes of the seedlings are different for each seedling. Therefore, even if water is sprayed on the roots of seedlings extending so as to spread outward from the lower surface of the seedbed pieces, individual differences occur in the direction in which the roots are directed by the water that flows down from the roots of the seedlings. That is, depending on the water falling from the root of the seedling, the root of the seedling spreading outward from the lower surface of the seedbed piece may not be suspended. Therefore, when the seedbed piece is lowered in such a state, the tip of the seedling root is caught on the edge of the hole at the transplant destination, and the whole seedling root does not go through the hole as a whole. However, there was a possibility that the seedbed piece could not be inserted into the hole of the transplant destination.
　本発明は、このような実情に鑑みてなされたものであり、その目的は、移植時に苗床片の下面から外方へ広がるように延びている苗の根の全体が揃って移植先の穴を通過する状態にして苗床片を移植先の穴に挿入することができる移植装置を提供することにある。 The present invention has been made in view of such circumstances, and the purpose of the present invention is to form a hole at the transplant destination by gathering all the roots of the seedling extending so as to spread outward from the lower surface of the seedbed piece at the time of transplantation. An object of the present invention is to provide a transplant device that can pass a seed bed piece into a hole of a transplant destination in a passing state.
　以下、上記課題を解決するための手段及びその作用効果について記載する。
　上記課題を解決する移植装置は、苗が植え付けられた苗床片を挟持可能であり且つ少なくとも上下方向へ移動可能に設けられた挟持部と、前記苗の移植先のパネルに設けられた穴を上下方向に通過するように昇降可能に設けられた昇降部材と、前記挟持部に挟持された前記苗床片から下方へ延びた前記苗の根と前記昇降部材とが接触するように前記挟持部と前記昇降部材とを相対移動させる移動機構と、を備える。 Hereinafter, means for solving the above-described problems and the effects thereof will be described.
A transplanting device that solves the above-described problems is provided by sandwiching a nursery piece in which a seedling is planted and at least vertically moving a pinching portion provided in a vertically movable manner, and a hole provided in a panel to which the seedling is transplanted. An elevating member provided so as to be able to move up and down so as to pass in a direction, and the holding portion and the elevating member so that the elevating member comes into contact with the root of the seedling extending downward from the seedbed piece held by the holding portion A moving mechanism that relatively moves the elevating member.
　この構成によれば、挟持部と昇降部材とが相対移動し、挟持部に挟持された苗床片から下方へ延びた苗の根がパネルの穴の上方で昇降部材の表面に接触したときに、苗の根及び昇降部材の表面の少なくとも一方が液体で濡れていると、苗の根は液体の表面張力により昇降部材の表面に張り付く。そして、その状態のままで、挟持部及び昇降部材が共に下降すると、挟持部に挟持された苗床片から下方へ延びた苗の根は、昇降部材に張り付いた状態で、移植先のパネルの穴の縁に引っ掛かることもなく、その穴を下方へ通過する。したがって、移植時に苗床片から外方へ広がるように延びている苗の根の全体が揃って穴を通過するようにして苗床片を移植先の穴に挿入することができる。 According to this configuration, when the sandwiching portion and the lifting member are relatively moved, and the root of the seedling that extends downward from the seedbed piece sandwiched by the sandwiching portion comes into contact with the surface of the lifting member above the hole of the panel, When at least one of the seedling root and the surface of the lifting member is wet with the liquid, the seedling root sticks to the surface of the lifting member due to the surface tension of the liquid. Then, when the holding part and the lifting member are both lowered in that state, the roots of the seedlings extending downward from the seedbed pieces held by the holding part are attached to the lifting member in a state of sticking to the lifting member. The hole passes downward without being caught by the edge of the hole. Accordingly, the seed bed piece can be inserted into the hole of the transplant destination so that the whole seedling roots extending so as to spread outward from the seed bed piece at the time of transplantation are aligned and pass through the hole.
　上記移植装置においては、前記苗の根及び前記昇降部材の少なくとも一方を液体で濡れた状態にする濡れ生成部を更に備えることが好ましい。
　この構成によれば、濡れ生成部によって苗の根及び昇降部材の少なくとも一方を液体で濡れた状態にできる。そのため、挟持部に挟持された苗床片から下方へ延びた苗の根がパネルの穴の上方で昇降部材の表面に接触した際には、その苗の根を昇降部材の表面に対して容易に張り付かせることができる。 The transplanting device preferably further includes a wetting generation unit that wets at least one of the seedling root and the lifting member with a liquid.
According to this configuration, at least one of the seedling root and the lifting member can be wetted with the liquid by the wetness generating unit. Therefore, when the root of the seedling that extends downward from the seedbed piece sandwiched by the sandwiching portion contacts the surface of the lifting member above the hole in the panel, the root of the seedling is easily attached to the surface of the lifting member. Can be attached.
　上記移植装置において、前記濡れ生成部は、前記昇降部材の表面を、その表面に前記苗の根が前記液体の表面張力で張り付くのに必要十分な量の液体で濡れた状態にすることが好ましい。 In the transplanting device, the wetting generation unit preferably makes the surface of the elevating member wet with a sufficient amount of liquid necessary for the seedling root to stick to the surface with the surface tension of the liquid. .
　この構成によれば、大量の液体が供給されることによって昇降部材の表面が濡れた状態にされることもない。そのため、移植先のパネルや移植済みの苗床片に余剰な液体が飛散することを抑制できる。 According to this configuration, the surface of the elevating member is not wetted by supplying a large amount of liquid. Therefore, it is possible to suppress the excess liquid from being scattered on the transplant destination panel and the transplanted nursery piece.
　上記移植装置において、前記昇降部材は、その表面の少なくとも一部が上下方向に長く延びる外側面で構成され、その外側面が前記濡れ生成部により前記液体で濡れた状態とされることが好ましい。 In the transplanting device, it is preferable that at least a part of the surface of the elevating member is configured by an outer surface extending long in the vertical direction, and the outer surface is wetted by the liquid by the wetting generation unit.
　この構成によれば、昇降部材において上下方向に長く延びる外側面が濡れ生成部により液体で濡れた状態とされるため、苗床片の下面から苗の根が長く延びていても、そのように長く延びた苗の根を昇降部材の外側面に対して上下方向に長く延びた状態のまま張り付かせることができる。したがって、苗床片の下面から苗の根が長く延びている場合においても、移植時にパネルの穴の縁に苗の根が引っ掛かる虞を低減できる。 According to this configuration, since the outer surface that extends in the vertical direction in the elevating member is wet with the liquid by the wetting generation unit, even if the root of the seedling extends from the lower surface of the seedbed piece, it is so long. The extended root of the seedling can be attached to the outer surface of the elevating member while extending in the vertical direction. Therefore, even when the seedling root extends long from the lower surface of the seedbed piece, the risk of the seedling root being caught at the edge of the hole in the panel during transplantation can be reduced.
　上記移植装置において、前記昇降部材は、上下方向に沿って延びるパイプであり、前記濡れ生成部は、前記パイプの内側を上方に向けて供給された前記液体が前記パイプの上端開口から前記パイプの外側面を伝って流れるようにすることにより、前記パイプの外側面を前記液体で濡れた状態にすることが好ましい。 In the transplant device, the elevating member is a pipe extending in a vertical direction, and the wetting generation unit is configured such that the liquid supplied with the inner side of the pipe facing upward from the upper end opening of the pipe. It is preferable that the outer surface of the pipe is wetted with the liquid by flowing along the outer surface.
　この構成によれば、パイプの上端開口から液体が溢れ出るように構成することで、簡単に濡れ生成部を構成することができる。
　上記移植装置において、前記パネルには、少なくとも一列に並ぶ複数個の前記穴が設けられており、前記昇降部材は、当該パネルの穴の列に対応して並設された複数のパイプから構成されることが好ましい。 According to this configuration, it is possible to easily configure the wetting generator by configuring the liquid to overflow from the upper end opening of the pipe.
In the transplant device, the panel is provided with a plurality of holes arranged in at least one row, and the elevating member is composed of a plurality of pipes arranged in parallel corresponding to the row of holes in the panel. It is preferable.
　この構成によれば、複数のパイプを同時に駆動し、一列ずつ複数の苗床片を同時に移植することが可能となり、移植作業の効率が向上する。
　本発明の別の態様は、苗が植え付けられた苗床片を移植先のパネルの上方に位置合わせするステップと、前記パネルの下方から当該パネルに設けられた穴に昇降部材を挿通して、前記昇降部材の長さ方向の中途から上端側の部分を前記パネルの穴から上方に通過させるステップと、前記苗の根を濡れた状態にして、前記パネルの上方において前記昇降部材の表面に接触させるステップと、前記苗床片と前記苗の根が接触している昇降部材とを共に降下させて、前記パネルに前記苗床片を移植するステップと、を備える移植方法である。 According to this configuration, it is possible to drive a plurality of pipes at the same time and transplant a plurality of seedbed pieces one row at a time, thereby improving the efficiency of the transplanting operation.
According to another aspect of the present invention, a step of aligning a nursery piece in which a seedling is planted above a transplant destination panel, and inserting a lifting member from below the panel into a hole provided in the panel, A step of passing a part on the upper end side from the middle in the length direction of the elevating member upward from the hole of the panel, and making the root of the seedling wet, and contacting the surface of the elevating member above the panel And a step of lowering both the seedbed piece and the lifting member in contact with the seedling root to transplant the seedbed piece onto the panel.
　この構成によれば、苗床片から延びた苗の根が事前に濡れた状態で、又は濡れ生成部などの装置によって濡れた状態で、パネルの穴の上方で昇降部材の表面に接触する。苗の根が濡れているので、苗の根は、液体の表面張力により昇降部材の表面に張り付く。そして、その状態のままで、昇降部材が共に下降すると、苗の根は、昇降部材に張り付いた状態で、移植先のパネルの穴の縁に引っ掛かることもなく、その穴を下方へ通過する。このように、移植時に苗の根が苗床片から外方へ広がるように延びていても、苗の根は、接触時には濡れた状態になって昇降部材に張り付いている。よって、苗の根は、全体が揃って穴を通過する。この結果、苗床片は、確実に移植先の穴に挿入される。「苗の根を濡れた状態にして、前記パネルの上方において前記昇降部材の表面に接触させるステップ」は、苗の根と昇降部材とが接触する時点で、少なくとも苗の根が濡れていればよいことを意味する。すなわち、苗床片から延びた苗の根が予め液体で濡れた状態にあれば、昇降部材の表面に苗の根が接触したときに、苗の根は容易に昇降部材の表面に張り付く。そのため、本移植方法を実施するための移植装置の装置構成として、濡れ生成部は、不要にできる。 According to this configuration, the roots of the seedlings extending from the seedbed pieces are in contact with the surface of the elevating member above the hole of the panel in a state in which the seedlings are wet in advance or in a state in which the seedlings are wetted by a device such as a wetness generating unit. Since the seedling root is wet, the seedling root sticks to the surface of the elevating member due to the surface tension of the liquid. And if the raising / lowering member descends in that state, the seedling root is stuck to the raising / lowering member and passes through the hole downward without being caught by the edge of the hole of the transplant destination panel. . Thus, even if the root of the seedling extends so as to spread outward from the seedbed piece at the time of transplantation, the root of the seedling is wet when contacted and sticks to the lifting member. Therefore, the seedling roots are all aligned and pass through the hole. As a result, the seedbed piece is surely inserted into the hole of the transplant destination. “The step of bringing the seedling root into a wet state and bringing it into contact with the surface of the elevating member above the panel” means that at least the seedling root is wet when the seedling root and the elevating member are in contact with each other. Means good. That is, if the seedling root extending from the seedbed piece is in a wet state with a liquid in advance, when the seedling root comes into contact with the surface of the lifting member, the seedling root easily sticks to the surface of the lifting member. Therefore, the wetting generation unit can be omitted as a device configuration of the transplanting device for carrying out the present transplanting method.
　本発明によれば、移植時に苗床片の下面から外方へ広がるように延びている苗の根の全体が揃って移植先の穴を通過する状態にして苗床片を移植先の穴に挿入することができる。 According to the present invention, the seedling piece is inserted into the transplant destination hole in such a state that the whole seedling roots extending so as to spread outward from the lower surface of the seedbed piece are transplanted and pass through the transplant destination hole. be able to.
移植装置の一実施形態について、その全体概要を示す斜視図。The perspective view showing the whole outline about one embodiment of a transplant device. 図１の状態から昇降部材が上昇した状態を示す斜視図。The perspective view which shows the state which the raising / lowering member raised from the state of FIG. 図２における移植装置の要部を示す側面図。The side view which shows the principal part of the transplant apparatus in FIG. 図２の状態から挟持部と昇降部材が相対移動した状態を示す斜視図。The perspective view which shows the state which the clamping part and the raising / lowering member moved relatively from the state of FIG. 図４における移植装置の要部を示す側面図。The side view which shows the principal part of the transplant apparatus in FIG. 図４に示す状態から挟持部と昇降部材が共に下降する状態を示す斜視図。FIG. 5 is a perspective view showing a state in which both the sandwiching portion and the lifting member are lowered from the state shown in FIG. 4. 図６における移植装置の要部を示す正面図。The front view which shows the principal part of the transplant apparatus in FIG. パネルの穴に苗床片が挿入された移植完了状態を示す移植装置の斜視図。The perspective view of the transplant apparatus which shows the transplant completion state by which the seedbed piece was inserted in the hole of the panel. 図８における移植装置の要部を示す正面図。The front view which shows the principal part of the transplant apparatus in FIG.
　以下、植物の苗を移植する移植装置の一実施形態について、図を参照して説明する。
　図１及び図２に示すように、移植装置１１は、植物の苗１００の移植先となるパネル１２を搬送するパネル搬送機構１３と、苗１００が植え付けられた苗床片１０１をパネル１２に移植する移植機構１４とを備えている。なお、本実施形態における移植装置１１は、例えばウレタン等の発泡樹脂からなる弾性変形可能なブロックである苗床片１０１に植え付けられた苗１００を苗床片１０１ごとパネル１２に移植する装置である。 Hereinafter, an embodiment of a transplanting apparatus for transplanting plant seedlings will be described with reference to the drawings.
As shown in FIGS. 1 and 2, the transplanting device 11 transplants a panel transport mechanism 13 that transports a panel 12 to which a plant seedling 100 is transplanted and a seed bed piece 101 in which the seedling 100 is planted to the panel 12. And a transplantation mechanism 14. In addition, the transplant apparatus 11 in this embodiment is an apparatus which transplants the seedling 100 planted in the seed bed piece 101 which is an elastically deformable block made of a foamed resin such as urethane to the panel 12 together with the seed bed piece 101.
　パネル１２は、立方体状をなす苗床片１０１の上下方向Ｚに沿う高さと略同一寸法の厚さを有する板状に設けられ、その上面から下面に亘って上下方向Ｚに貫通する複数の穴１５を有している。パネル搬送機構１３は、移植装置１１の奥行方向Ｘに延びる左右一対の水平なガイドレール１６を有し、このガイドレール１６に沿ってパネル１２を不図示のパネル駆動機構の駆動に伴い奥行方向Ｘに搬送する。なお、パネル１２には、少なくとも一列に並ぶ複数個の穴１５が設けられ、各穴１５は、上下に貫通している。本実施形態では、一例として移植装置１１の奥行方向Ｘに並ぶ５列の穴１５と、各列において移植装置１１の幅方向Ｙに並ぶ４つの穴１５とがマトリクス状の配置となる合計２０個の穴１５がパネル１２に形成されている。また、図１においてパネル１２の穴１５は円形状に開口しているが、立方体状の苗床片１０１が上方から挿入されたとき、その苗床片１０１を保持可能な形状であれば、円形状に限らず、四角形状などの多角形状でもよい。 The panel 12 is provided in a plate shape having a thickness substantially the same as the height along the vertical direction Z of the cubic seedbed piece 101, and a plurality of holes 15 penetrating in the vertical direction Z from the upper surface to the lower surface. have. The panel transport mechanism 13 includes a pair of left and right horizontal guide rails 16 extending in the depth direction X of the transplanting device 11, and the panel 12 is moved along the guide rails 16 in the depth direction X as a panel drive mechanism (not shown) is driven. Transport to. The panel 12 is provided with a plurality of holes 15 arranged in at least one line, and each hole 15 penetrates vertically. In this embodiment, as an example, a total of 20 holes 15 arranged in a matrix form with five holes 15 arranged in the depth direction X of the transplant device 11 and four holes 15 arranged in the width direction Y of the transplant device 11 in each row. Are formed in the panel 12. Further, in FIG. 1, the hole 15 of the panel 12 is opened in a circular shape. However, when the cubic seedbed piece 101 is inserted from above, if the shape can hold the seedbed piece 101, it is circular. The shape is not limited and may be a polygonal shape such as a square shape.
　図２及び図３に示すように、移植機構１４は、苗床片１０１を挟持可能に設けられた挟持部１７と、挟持部１７を奥行方向Ｘ、幅方向Ｙ、上下方向Ｚの三方向に移動可能とする第１移動機構１８と、パネル１２が有する穴１５を上下方向Ｚに通過可能に設けられた昇降部材１９と、昇降部材１９を奥行方向Ｘ、幅方向Ｙ、上下方向Ｚの三方向に移動可能とする第２移動機構２０とを備えている。挟持部１７は、苗床片１０１を左右両側から挟持可能な一対の挟持片２１と、その一対の挟持片２１を開閉可能に駆動させるアクチュエーター等を含む挟持駆動部２２（図３参照）と、挟持駆動部２２を介して挟持片２１を第１移動機構１８の一部に支持する屈曲形状の支持金具２３とを備えている。本実施形態の場合、挟持部１７は、パネル１２の穴１５と対応するように幅方向Ｙに複数（図示の例では４つ）の挟持部１７が並ぶ状態で支持金具２３に取り付けられている。 As shown in FIGS. 2 and 3, the transplanting mechanism 14 moves the clamping part 17 provided so that the seedbed piece 101 can be clamped, and the clamping part 17 in three directions of the depth direction X, the width direction Y, and the vertical direction Z. A first moving mechanism 18 that can be moved, an elevating member 19 provided so as to be able to pass through the hole 15 of the panel 12 in the vertical direction Z, and the elevating member 19 in the depth direction X, the width direction Y, and the vertical direction Z. And a second moving mechanism 20 that is movable. The sandwiching unit 17 includes a pair of sandwiching pieces 21 capable of sandwiching the seedbed piece 101 from both the left and right sides, and a sandwiching drive unit 22 (see FIG. 3) including an actuator that drives the pair of sandwiching pieces 21 to be opened and closed. A bending-shaped support fitting 23 that supports the sandwiching piece 21 on a part of the first moving mechanism 18 via the drive unit 22 is provided. In the case of this embodiment, the sandwiching portion 17 is attached to the support metal 23 in a state where a plurality (four in the illustrated example) of the sandwiching portions 17 are arranged in the width direction Y so as to correspond to the holes 15 of the panel 12. .
　第１移動機構１８は、図１に二点鎖線で直方体状に示すように、パネル搬送機構１３を幅方向Ｙの両側から挟むように配置された左右一対の苗床片Ｘ方向駆動部２４と、挟持部１７よりも奥行方向Ｘの奥側で左右一対の苗床片Ｘ方向駆動部２４に対して幅方向Ｙに延びるように架設された苗床片Ｙ方向駆動部２５とを備えている。苗床片Ｘ方向駆動部２４は、苗床片１０１を挟持した挟持部１７を、図１において苗床片Ｘ方向駆動部２４の横に二点鎖線の白抜き矢印で示すように、奥行方向Ｘ（Ｘ方向）に沿って往動又は復動させるときに駆動される。なお、苗床片Ｘ方向駆動部２４は、一例として、奥行方向Ｘに延びるレール部材と、そのレール部材に対してモーターの駆動に基づき奥行方向Ｘに沿って往動又は復動可能に取り付けられたスライダー等を含んでいる。また、苗床片Ｙ方向駆動部２５は、苗床片１０１を挟持した挟持部１７を、図１において苗床片Ｙ方向駆動部２５の横に二点鎖線の白抜き矢印で示すように、幅方向Ｙ（Ｙ方向）に沿って往動又は復動させるときに駆動される。なお、苗床片Ｙ方向駆動部２５は、一例として、幅方向Ｙに延びるレール部材と、そのレール部材に対してモーターの駆動に基づき幅方向Ｙに沿って往動又は復動可能に取り付けられたスライダー等を含んでいる。 The first moving mechanism 18 includes a pair of left and right nursery piece X-direction drive units 24 arranged so as to sandwich the panel transport mechanism 13 from both sides in the width direction Y, as shown in FIG. A seedbed piece Y-direction drive unit 25 is provided so as to extend in the width direction Y with respect to the pair of left and right seedbed pieces X-direction drive unit 24 on the back side in the depth direction X with respect to the sandwiching unit 17. The nursery piece X-direction drive unit 24 is configured so that the holding unit 17 that holds the nursery piece 101 is moved in the depth direction X (X as indicated by a two-dot chain white arrow next to the nursery piece X-direction drive unit 24 in FIG. It is driven when moving forward or backward along the direction). In addition, the nursery piece X direction drive part 24 was attached so that it could move forward or backward along the depth direction X based on the drive of a motor with respect to the rail member extended in the depth direction X as an example. Includes sliders. In addition, the nursery piece Y-direction drive unit 25 is configured so that the holding unit 17 that holds the seedbed piece 101 is arranged in the width direction Y as indicated by a two-dot chain white arrow next to the nursery piece Y-direction drive unit 25 in FIG. Driven when moving forward or backward along (Y direction). The nursery piece Y-direction drive unit 25 is, as an example, a rail member extending in the width direction Y and attached to the rail member so as to be able to move forward or backward along the width direction Y based on the drive of the motor. Includes sliders.
　図１に示すように、苗床片Ｙ方向駆動部２５の前面側である奥行方向Ｘの手前側には、上下方向Ｚに長い直方体形状をなす第１幅方向スライダー２９が、苗床片Ｙ方向駆動部２５の駆動に伴い幅方向Ｙ（Ｙ方向）に沿ってスライドし、往動又は復動可能に取り付けられている。また、第１幅方向スライダー２９の前面である奥行方向Ｘで手前側となる面には、上下方向Ｚに沿ってスライドし、上昇又は下降する第１上下方向スライダー３０が設けられている。そして、この第１上下方向スライダー３０の前面に挟持部１７の支持金具２３が固定されている。したがって、挟持部１７は、各挟持片２１により苗床片１０１を挟持した状態において、苗床片Ｘ方向駆動部２４と苗床片Ｙ方向駆動部２５を含む第１移動機構１８の駆動に基づき水平面上で移動し、特にパネル１２の穴１５の上方位置から第１上下方向スライダー３０の下方へのスライド移動に伴い下降したときに、挟持している苗床片１０１をパネル１２の穴１５に挿入可能とされる。すなわち、第１上下方向スライダー３０は、苗床片１０１を挟持した挟持部１７を、図１において実線の白抜き矢印で示すように、上下方向Ｚ（Ｚ方向）に沿って移動させるときに駆動される。この点で、第１上下方向スライダー３０は、苗床片Ｚ方向駆動部の一部を構成するといえる。 As shown in FIG. 1, on the front side of the depth direction X, which is the front side of the seedbed piece Y-direction drive unit 25, a first width direction slider 29 having a rectangular parallelepiped shape that is long in the vertical direction Z is driven in the seedbed piece Y-direction drive. It slides along the width direction Y (Y direction) with the drive of the part 25, and is attached so that a forward or backward movement is possible. A first slider 30 that slides along the vertical direction Z and moves up or down is provided on the front surface of the first width direction slider 29 in the depth direction X. And the support metal fitting 23 of the clamping part 17 is being fixed to the front surface of this 1st up-down direction slider 30. As shown in FIG. Therefore, the clamping unit 17 is on the horizontal plane based on the driving of the first moving mechanism 18 including the seedbed piece X-direction driving unit 24 and the seedbed piece Y-direction driving unit 25 in a state where the seedbed piece 101 is clamped by each clamping piece 21. In particular, the napbed seed bed piece 101 can be inserted into the hole 15 of the panel 12 when it is moved down from the position above the hole 15 of the panel 12 and moved downward along the first vertical slider 30. The In other words, the first vertical slider 30 is driven when the clamping unit 17 that holds the seedbed piece 101 is moved along the vertical direction Z (Z direction) as shown by the solid white arrow in FIG. The In this respect, it can be said that the first vertical slider 30 constitutes a part of the nursery piece Z-direction drive unit.
　昇降部材１９は、その表面の一部が上下方向Ｚに沿う軸線１１０（図３参照）を中心とする円筒面形状をなし且つ上下方向Ｚに長く延びた形状の外側面で構成された複数のパイプである。複数のパイプで構成された昇降部材１９は、当該パネル１２の穴１５の幅方向Ｙに沿って並ぶ列に対応して並設されている。したがって、各パイプは、パネル１２のＹ方向の列ごとに、対応する穴に対し、同時に上下に対向する。図示の例の場合、パイプは、４本並設されている。昇降部材１９は、幅方向Ｙに長い直方体状の中空ブロック３１及び断面逆Ｌ字状の支持金具３２を介して第２移動機構２０の一部に支持されている。第２移動機構２０は、図１に二点鎖線で直方体状に示すように、パネル搬送機構１３の下方で移植装置１１の奥行方向Ｘに延びるように設けられた昇降部材Ｘ方向駆動部３３と、昇降部材１９よりも奥行方向Ｘの奥側で昇降部材Ｘ方向駆動部３３に対して幅方向Ｙに延びるように支持された昇降部材Ｙ方向駆動部３４とを備えている。 The elevating member 19 has a plurality of outer surfaces in which a part of the surface has a cylindrical surface shape centering on an axis 110 (see FIG. 3) along the vertical direction Z and extends long in the vertical direction Z. It is a pipe. The elevating members 19 constituted by a plurality of pipes are arranged side by side corresponding to the rows arranged along the width direction Y of the holes 15 of the panel 12. Accordingly, each pipe simultaneously faces up and down with respect to the corresponding hole in each column of the panel 12 in the Y direction. In the case of the illustrated example, four pipes are arranged side by side. The elevating member 19 is supported by a part of the second moving mechanism 20 via a rectangular parallelepiped hollow block 31 that is long in the width direction Y and a support bracket 32 having an inverted L-shaped cross section. The second moving mechanism 20 includes an elevating member X-direction drive unit 33 provided so as to extend in the depth direction X of the transplant device 11 below the panel transport mechanism 13 as shown in a rectangular parallelepiped shape by a two-dot chain line in FIG. The elevating member Y-direction drive unit 34 supported so as to extend in the width direction Y with respect to the elevating member X-direction drive unit 33 on the rear side in the depth direction X with respect to the elevating member 19.
　昇降部材Ｘ方向駆動部３３は、昇降部材１９を、図１において昇降部材Ｘ方向駆動部３３の横に二点鎖線の白抜き矢印で示すように、奥行方向Ｘ（Ｘ方向）に沿って往動又は復動させるときに駆動される。なお、昇降部材Ｘ方向駆動部３３は、一例として、奥行方向Ｘに延びるレール部材と、そのレール部材に対して不図示のモーターの駆動に基づき奥行方向Ｘに沿って往動又は復動可能に取り付けられたスライダー等を含んでいる。また、昇降部材Ｙ方向駆動部３４は、昇降部材１９を、図１において昇降部材Ｙ方向駆動部３４の横に二点鎖線の白抜き矢印で示すように、幅方向Ｙ（Ｙ方向）に沿って往動又は復動させるときに駆動される。なお、昇降部材Ｙ方向駆動部３４は、一例として、幅方向Ｙに延びるレール部材と、そのレール部材に対して不図示のモーターの駆動に基づき幅方向Ｙ沿って往動又は復動可能に取り付けられたスライダー等を含んでいる。 The elevating member X-direction drive unit 33 moves the elevating member 19 along the depth direction X (X direction) as indicated by a two-dot chain white arrow next to the elevating member X-direction drive unit 33 in FIG. Driven when moving or returning. As an example, the elevating member X-direction drive unit 33 can be moved forward or backward along the depth direction X based on a rail member extending in the depth direction X and driving of a motor (not shown) with respect to the rail member. Includes attached sliders and the like. Further, the elevating member Y direction driving unit 34 moves the elevating member 19 along the width direction Y (Y direction) as shown by a two-dot chain line white arrow next to the elevating member Y direction driving unit 34 in FIG. Driven when moving forward or backward. The elevating member Y-direction drive unit 34 is, for example, a rail member extending in the width direction Y and attached to the rail member so as to be able to move forward or backward along the width direction Y based on the driving of a motor (not shown). Included sliders and the like.
　図１に示すように、苗床片Ｙ方向駆動部２５の前面側である奥行方向Ｘの手前側には、上下方向Ｚが長手方向で幅方向Ｙが短手方向となる矩形の板部材である第２幅方向スライダー３６が、昇降部材Ｙ方向駆動部３４の駆動に伴い幅方向Ｙ（Ｙ方向）沿いにスライドし、往動又は復動可能に取り付けられている。また、第２幅方向スライダー３６の前面である奥行方向Ｘで手前側となる面には、上下方向Ｚに延びる第２上下方向レール部３７が設けられている。そして、この第２上下方向レール部３７に対して上下方向Ｚに沿って上昇又は下降可能に取り付けられた第２上下方向スライダー３８の前面に昇降部材１９の支持金具３２が固定されている。したがって、昇降部材１９は、昇降部材Ｘ方向駆動部３３と昇降部材Ｙ方向駆動部３４を含む第２移動機構２０の駆動に基づき移動し、特にパネル１２の穴１５の下方で第２上下方向スライダー３８の上下移動に伴い昇降したときに、その長さ方向の中途から上端側の部分が、パネル１２の穴１５を上下方向に通過可能とされる。すなわち、第２上下方向スライダー３８は、昇降部材１９を、図１において実線の白抜き矢印で示すように、上下方向Ｚ（Ｚ方向）に移動させるときに駆動される。この点で、第２上下方向スライダー３８は、昇降部材Ｚ方向駆動部の一部を構成するといえる。 As shown in FIG. 1, on the front side of the depth direction X, which is the front side of the nursery piece Y-direction drive unit 25, is a rectangular plate member in which the vertical direction Z is the longitudinal direction and the width direction Y is the short direction. The second width direction slider 36 is slid along the width direction Y (Y direction) as the elevating member Y direction drive unit 34 is driven, and is attached so as to be able to move forward or backward. A second up-down direction rail portion 37 extending in the up-down direction Z is provided on the front side of the depth direction X that is the front surface of the second width direction slider 36. The support bracket 32 of the elevating member 19 is fixed to the front surface of the second vertical slider 38 attached to the second vertical rail portion 37 so as to be able to ascend or descend along the vertical direction Z. Therefore, the elevating member 19 moves based on the driving of the second moving mechanism 20 including the elevating member X direction driving unit 33 and the elevating member Y direction driving unit 34, and in particular, the second vertical direction slider below the hole 15 of the panel 12. When it moves up and down with the vertical movement of 38, the part on the upper end side from the middle in the length direction can pass through the hole 15 of the panel 12 in the vertical direction. That is, the second vertical slider 38 is driven when the elevating member 19 is moved in the vertical direction Z (Z direction) as shown by the solid white arrow in FIG. In this respect, it can be said that the second vertical slider 38 constitutes a part of the elevating member Z-direction drive unit.
　図１に示すように、複数のパイプで構成された昇降部材１９は、その内側が中空ブロック３１の内部空間と連通するように、その下端が中空ブロック３１の上面に固定されている。すなわち、昇降部材１９は、その円筒面形状をなす外側面が上下方向Ｚに長く延びるように、中空ブロック３１の上面から鉛直に立設されている。中空ブロック３１の一端（図１では左端）には管形状をなす液体供給部３９の一端が接続され、その液体供給部３９の他端には図示しない液体供給チューブが接続されている。そして、不図示のポンプの駆動に伴い液体供給チューブから液体供給部３９を介して中空ブロック３１の内部空間に液体の一例である水が供給可能とされている。 As shown in FIG. 1, the elevating member 19 composed of a plurality of pipes has a lower end fixed to the upper surface of the hollow block 31 such that the inside communicates with the internal space of the hollow block 31. In other words, the elevating member 19 is erected vertically from the upper surface of the hollow block 31 such that the outer surface having the cylindrical surface shape extends in the vertical direction Z. One end (a left end in FIG. 1) of the hollow block 31 is connected to one end of a liquid supply unit 39 having a tubular shape, and a liquid supply tube (not shown) is connected to the other end of the liquid supply unit 39. As the pump (not shown) is driven, water, which is an example of a liquid, can be supplied from the liquid supply tube to the internal space of the hollow block 31 through the liquid supply unit 39.
　図３に示すように、複数のパイプからなる昇降部材１９は、液体供給部３９から中空ブロック３１を介して供給された水１０３が、昇降部材１９の内側を通って下方から上方に供給され、その上端開口１９ａから溢れ出た後、昇降部材１９の外側面を伝って流れ落ちるように構成されている。そして、このように昇降部材１９の外側面を伝って水１０３が流れ落ちることにより、昇降部材１９の表面の一部である外側面は液体（この場合は水１０３）で濡れた状態となる。この点で、本実施形態では、そのような液体（この場合は水１０３）を昇降部材１９に供給する液体供給部３９により、昇降部材１９の表面を液体で濡れた状態にする濡れ生成部が構成されている。なお、この場合において、昇降部材１９の外側面（表面）は、苗床片１０１の下面から下方へ延びる苗１００の根１０２が接触したとき、その根１０２が水（液体）１０３の表面張力で張り付くのに必要十分な量の水（液体）１０３で濡れた状態とされる。換言すると、液体供給部３９から大量の水１０３が供給されて昇降部材１９の上端開口１９ａから勢い良く流れ落ちるような余剰の水１０３が供給されることはない。 As shown in FIG. 3, the elevating member 19 composed of a plurality of pipes is supplied with water 103 supplied from the liquid supply unit 39 through the hollow block 31 from below through the inside of the elevating member 19, After overflowing from the upper end opening 19 a, it is configured to flow down along the outer surface of the elevating member 19. Then, as the water 103 flows down along the outer surface of the elevating member 19 in this way, the outer surface which is a part of the surface of the elevating member 19 becomes wet with the liquid (in this case, water 103). In this respect, in the present embodiment, the liquid supply unit 39 that supplies such liquid (in this case, water 103) to the elevating member 19 provides a wetness generating unit that wets the surface of the elevating member 19 with the liquid. It is configured. In this case, when the root 102 of the seedling 100 extending downward from the lower surface of the seed bed piece 101 comes into contact with the outer surface (surface) of the elevating member 19, the root 102 sticks with the surface tension of the water (liquid) 103. It is made wet with a sufficient amount of water (liquid) 103. In other words, a large amount of water 103 is not supplied from the liquid supply unit 39 and excessive water 103 that flows down from the upper end opening 19 a of the elevating member 19 is not supplied.
　移植装置１１は、制御装置１２０を備える（図１にのみ図示）。制御装置１２０は、マイクロコントローラ、インターフェイス、並びに制御用プログラム及び各種データ等を記憶する記憶装置等を含み、これの要素によって、移植装置１１の動作制御を司り、移植装置１１が以下に説明する動作を実行するように各部を制御する。 The transplant device 11 includes a control device 120 (shown only in FIG. 1). The control device 120 includes a microcontroller, an interface, a storage device that stores a control program, various data, and the like, and controls the operation of the transplant device 11 according to the elements, and the operation described below by the transplant device 11 Each part is controlled to execute.
　次に、上記のように構成された移植装置１１の作用について説明する。なお、前提として、移植される苗１００が植え付けられた苗床片１０１は、図示しない苗床マットから一つずつに分離されて挟持部１７の各挟持片２１により挟持された状態にあるものとする。 Next, the operation of the transplantation device 11 configured as described above will be described. As a premise, it is assumed that the seedbed pieces 101 on which the seedlings 100 to be transplanted are planted are separated from a seedbed mat (not shown) one by one and are held by the holding pieces 21 of the holding unit 17.
　図１に示すように、苗１００が植え付けられた苗床片１０１を移植先のパネル１２に移植する際には、まず、パネル搬送機構１３によりパネル１２が移植装置１１における所定の移植時位置まで搬送される。そして、挟持部１７の各挟持片２１により挟持された苗床片１０１が、第１移動機構１８の駆動に基づき、パネル１２よりも上方位置で且つ移植先となる穴１５よりも少しだけ奥行方向Ｘの奥側位置で、対応する穴１５に対して幅方向Ｙの位置が個別に位置合わせされる。この場合、苗床片１０１の下面からは苗１００の根１０２が下方又は外方へ長く延びているが、それらの根１０２の下端がパネル１２の上面よりも上方に位置するように、挟持部１７は、その上下方向Ｚの高さ位置が第１移動機構１８の第１上下方向スライダー３０により調整される。 As shown in FIG. 1, when transplanting a seed bed piece 101 in which a seedling 100 is planted to a transplant destination panel 12, the panel transport mechanism 13 first transports the panel 12 to a predetermined transplanting position in the transplanting device 11. Is done. Then, the seedbed piece 101 sandwiched by each sandwiching piece 21 of the sandwiching portion 17 is located in a depth direction X slightly above the hole 15 serving as a transplant destination at a position above the panel 12 based on the driving of the first moving mechanism 18. The position in the width direction Y is individually aligned with the corresponding hole 15 at the back side position. In this case, the roots 102 of the seedling 100 extend downward or outward from the lower surface of the seedbed piece 101, but the sandwiching portion 17 so that the lower ends of the roots 102 are located above the upper surface of the panel 12. The height position in the vertical direction Z is adjusted by the first vertical slider 30 of the first moving mechanism 18.
　一方、このときパネル１２よりも下方位置では、昇降部材１９が、第２移動機構２０の駆動に基づき、対応する穴１５の直下に位置するように、奥行方向Ｘ及び幅方向Ｙにおいて位置合わせされる。そして、その場合において、昇降部材１９は、上下方向Ｚにおける昇降可能範囲の最下降位置で停止状態となるように、その上下方向Ｚにおける高さ位置が第２移動機構２０の第２上下方向スライダー３８により調整される。なお、この段階においては、未だ液体供給部３９から昇降部材１９に対して液体としての水１０３は供給されていない。そのため、昇降部材１９の表面の一部として上下方向Ｚに長く延びる円筒面形状の外側面は濡れた状態になっていない。 On the other hand, at the position below the panel 12 at this time, the elevating member 19 is aligned in the depth direction X and the width direction Y so as to be positioned directly below the corresponding hole 15 based on the driving of the second moving mechanism 20. The In that case, the height position in the vertical direction Z is the second vertical direction slider of the second moving mechanism 20 so that the vertical movement member 19 is stopped at the lowest descending position in the vertical range in the vertical direction Z. 38. At this stage, water 103 as a liquid is not yet supplied from the liquid supply unit 39 to the elevating member 19. Therefore, the cylindrical outer surface extending in the vertical direction Z as a part of the surface of the elevating member 19 is not wet.
　次に、図２に示すように、第２移動機構２０の第２上下方向スライダー３８が上方に移動し、その移動に伴い、昇降部材１９が上下方向Ｚにおける昇降可能範囲の最上昇位置まで上昇し、その位置で停止状態となる。すなわち、昇降部材１９は、その長さ方向の中途から上端側の部分がパネル１２の穴１５を上方に通過し、図３に示すように、その上端開口１９ａが挟持部１７に挟持されている苗床片１０１の下面と略同一の高さとなる位置まで上昇する。そして、その状態において、液体供給部３９から中空ブロック３１を介して水（液体）１０３が昇降部材１９の内側に下方から供給される。次いで、図３に二点鎖線で示すように、昇降部材１９の上端開口１９ａから水１０３が溢れ出て昇降部材１９の外側面を伝って流れ落ちる。その結果、昇降部材１９は、その外側面が苗１００の根１０２を表面張力で張り付かせるのに必要十分な量の水１０３で濡れた状態となる。 Next, as shown in FIG. 2, the second vertical slider 38 of the second moving mechanism 20 moves upward, and as the movement moves, the elevating member 19 rises to the highest raising position in the up and down range in the vertical direction Z. Then, the vehicle is stopped at that position. That is, the lifting member 19 has a part on the upper end side in the middle of its length direction passing through the hole 15 of the panel 12 upward, and the upper end opening 19a is sandwiched between the sandwiching portions 17 as shown in FIG. It rises to a position that is substantially the same height as the bottom surface of the seedbed piece 101. In this state, water (liquid) 103 is supplied from the liquid supply unit 39 through the hollow block 31 to the inside of the elevating member 19 from below. Next, as shown by a two-dot chain line in FIG. 3, the water 103 overflows from the upper end opening 19 a of the elevating member 19 and flows down along the outer surface of the elevating member 19. As a result, the elevating member 19 is in a state where its outer surface is wetted with a sufficient amount of water 103 to attach the root 102 of the seedling 100 with surface tension.
　次に、図４及び図５に示すように、第１移動機構１８において、昇降部材Ｘ方向駆動部３３の駆動に基づき昇降部材Ｙ方向駆動部３４が奥行方向Ｘの手前側（例えば図５では左側）に少し移動する。具体的には、その時点での挟持部１７が挟持する苗床片１０１の下面の中心と昇降部材１９の軸線１１０との奥行方向Ｘにおける離間距離に相当する距離分だけ移動する。次いで、図４及び図５に示すように、苗床片１０１の下面から下方に延びている苗１００の根１０２が昇降部材１９の外側面に接触する。この点で、第１移動機構１８は、挟持部１７に挟持された苗床片１０１の下面から下方又は外方へ延びた苗１００の根１０２と昇降部材１９とが接触するように挟持部１７と昇降部材１９とを相対移動させる移動機構に相当する。 Next, as shown in FIGS. 4 and 5, in the first moving mechanism 18, the elevating member Y direction driving unit 34 is moved forward in the depth direction X based on the driving of the elevating member X direction driving unit 33 (for example, in FIG. 5). Move slightly to the left). Specifically, it moves by a distance corresponding to the distance in the depth direction X between the center of the lower surface of the seedbed piece 101 held by the holding portion 17 and the axis 110 of the elevating member 19 at that time. Next, as shown in FIGS. 4 and 5, the root 102 of the seedling 100 extending downward from the lower surface of the seedbed piece 101 comes into contact with the outer surface of the lifting member 19. In this respect, the first moving mechanism 18 is configured so that the root 102 of the seedling 100 extending downward or outward from the lower surface of the seedbed piece 101 sandwiched by the sandwiching section 17 and the lifting member 19 are in contact with each other. This corresponds to a moving mechanism that relatively moves the elevating member 19.
　そして、昇降部材１９の外側面に接触した苗１００の根１０２は、その時点で昇降部材１９の外側面を濡れた状態にしている水１０３の表面張力により昇降部材１９の外側面に張り付く。すなわち、昇降部材１９の外側面に接触した苗１００の根１０２は、その根１０２の一部が外方に延びていたとしても、水Ｗの表面張力により昇降部材１９の外側面に張り付くと、その張り付いた一部から当該根１０２の先端側や根元側に繋がる部分も連鎖的に水１０３の表面張力で引き込まれて昇降部材１９の外側面に張り付く。その結果、苗１００の根１０２の全体が昇降部材１９に沿って垂れるように揃えられた状態になる。 Then, the root 102 of the seedling 100 in contact with the outer surface of the elevating member 19 sticks to the outer surface of the elevating member 19 by the surface tension of the water 103 that makes the outer surface of the elevating member 19 wet at that time. That is, the root 102 of the seedling 100 in contact with the outer surface of the elevating member 19 is stuck to the outer surface of the elevating member 19 by the surface tension of the water W even if a part of the root 102 extends outward. The part connected from the sticking part to the distal end side or the root side of the root 102 is also drawn by the surface tension of the water 103 in a chain and sticks to the outer surface of the lifting member 19. As a result, the entire root 102 of the seedling 100 is aligned so as to hang along the lifting member 19.
　なお、昇降部材１９の外側面は上下方向Ｚに長く延びているため、苗床片１０１の下面から下方へ延びる苗１００の根１０２が長い場合にも、その根１０２は根元から先端まで昇降部材１９の外側面に対して張り付く。そして、その場合において、昇降部材１９の外側面は上下方向Ｚに沿う軸線１１０を中心とする円筒面形状をしているため、苗１００の根１０２は昇降部材１９の外側面に対して滑らかに巻き付くようにして張り付く。その結果、昇降部材１９の外側面に張り付くときに、苗１００の根１０２が折れて傷む虞を低減できる。 In addition, since the outer side surface of the lifting member 19 extends in the vertical direction Z, even when the root 102 of the seedling 100 extending downward from the lower surface of the seedbed piece 101 is long, the root 102 is lifted from the root to the tip. It sticks to the outer surface. In this case, the outer surface of the elevating member 19 has a cylindrical surface shape centering on the axis 110 along the vertical direction Z, so that the root 102 of the seedling 100 is smooth with respect to the outer surface of the elevating member 19. It sticks like it wraps around. As a result, when sticking to the outer surface of the elevating member 19, the possibility that the root 102 of the seedling 100 is broken and damaged can be reduced.
　本実施形態では、苗１００の根１０２と昇降部材１９の外側面とが接触した時点で、苗１００の根１０２は、水１０３に濡れて昇降部材１９の外側面に張り付く。すなわち、濡れ生成部としての液体供給部３９と、第１移動機構１８及び第２移動機構２０とは、苗床片１０１から外方へ広がって延びる苗１００の根１０２を濡らして昇降部材１９に張り付けることにより、当該苗１００の根１０２を下方に垂下させる手段としても機能する。また、苗１００の根１０２の全体を昇降部材１９の外側面に張り付かせる追加的な又は代替的な手段として、例えば、挟持部１７及び昇降部材１９の少なくとも一方が他方に対し、相対的に小刻みに動くように、制御装置１２０によって、第１移動機構１８及び第２移動機構２０の少なくとも一方を制御してもよい。その場合には、苗床片１０１の下面から外方へ広がって延びる根１０２の全体を更に容易に昇降部材１９の外側面に対して巻き付くように張り付かせることが可能とされる。なお、苗１００の根１０２は、昇降部材１９の外側面に対して、必ずしも巻き付くようにして張り付かせなくてもよい。すなわち、苗１００の根１０２は、昇降部材１９の外側面に対して単に張り付くだけの態様であってもよい。 In this embodiment, when the root 102 of the seedling 100 comes into contact with the outer surface of the lifting member 19, the root 102 of the seedling 100 gets wet with the water 103 and sticks to the outer surface of the lifting member 19. That is, the liquid supply unit 39 as the wetting generation unit, the first moving mechanism 18 and the second moving mechanism 20 wet the root 102 of the seedling 100 extending outward from the seedbed piece 101 and stick it to the lifting member 19. This also functions as means for dripping the root 102 of the seedling 100 downward. Further, as an additional or alternative means for attaching the entire root 102 of the seedling 100 to the outer surface of the elevating member 19, for example, at least one of the sandwiching portion 17 and the elevating member 19 is relatively relative to the other. The control device 120 may control at least one of the first moving mechanism 18 and the second moving mechanism 20 so as to move in small increments. In this case, the entire root 102 extending outward from the lower surface of the seedbed piece 101 can be more easily attached to the outer surface of the elevating member 19. The root 102 of the seedling 100 does not necessarily have to be attached to the outer surface of the elevating member 19 so as to be wound around. That is, the root 102 of the seedling 100 may simply be attached to the outer surface of the lifting member 19.
　そして次に、図６及び図７に示すように、第１移動機構１８の第１上下方向スライダー３０及び第２移動機構２０の第２上下方向スライダー３８が共に同期して同時に同一速度で下方に移動し、その移動に伴い、挟持部１７及び昇降部材１９も共に同期して同時に同一速度で下方に移動する。次いで、挟持部１７に挟持された苗床片１０１の苗１００の根１０２は、パネル１２の穴１５を下方に向けて通過する昇降部材１９の外側面に張り付いた状態のまま、その穴１５を下方に向けて通過する。すなわち、苗１００の根１０２は、穴１５の縁に引っ掛かることなく穴１５を上方から下方に向けて通過する。そして、第１移動機構１８の第１上下方向スライダー３０及び第２移動機構２０の第２上下方向スライダー３８の更なる下方への移動に伴い、挟持部１７及び昇降部材１９が更に下方に移動すると、苗床片１０１は挟持部１７に挟持された状態のまま移植先の穴１５に上方から挿入される。 Next, as shown in FIGS. 6 and 7, the first vertical slider 30 of the first moving mechanism 18 and the second vertical slider 38 of the second moving mechanism 20 are both synchronized and simultaneously moved downward at the same speed. In accordance with the movement, both the sandwiching portion 17 and the lifting member 19 are simultaneously moved downward at the same speed in synchronization. Next, the root 102 of the seedling 100 of the seedbed piece 101 sandwiched by the sandwiching portion 17 remains attached to the outer surface of the elevating member 19 passing through the hole 15 of the panel 12 downward. Pass downwards. That is, the root 102 of the seedling 100 passes through the hole 15 from the upper side to the lower side without being caught by the edge of the hole 15. When the first vertical movement slider 30 of the first movement mechanism 18 and the second vertical movement slider 38 of the second movement mechanism 20 are further moved downward, the sandwiching portion 17 and the lifting member 19 are further moved downward. The seed bed piece 101 is inserted from above into the transplant destination hole 15 while being held by the holding part 17.
　すなわち、図８及び図９に示すように、苗床片１０１は、苗１００の部分がパネル１２の上側に位置する一方、その苗１００の根１０２の部分がパネル１２の下側に位置した状態で、移植先の穴１５に弾性変形を伴って挿入される。その結果、苗床片１０１はパネル１２の穴１５に弾性変形からの復元力で膨張することで保持される。そして、その状態から第２移動機構２０の第２上下方向スライダー３８が下方に移動すると、その移動に伴って、昇降部材１９が苗１００の根１０２から離れるように下方に移動する。その結果、図９に示すように、苗床片１０１に植え付けられた苗１００の根１０２は、穴１５の内周面と苗床片１０１の側面との間に挟まったりすることもなく、苗床片１０１の下面から下方へ良好に垂れ下がった状態となり、これで一列の穴１５に対する苗１００の移植が完了する。そして、奥行方向Ｘで次の列の穴１５に対する新たな苗床片１０１の移植作業が同様の手順で繰り返される。 That is, as shown in FIGS. 8 and 9, the seed bed piece 101 is in a state where the seedling 100 portion is located on the upper side of the panel 12 while the root 102 portion of the seedling 100 is located on the lower side of the panel 12. Then, it is inserted into the hole 15 at the transplant destination with elastic deformation. As a result, the seedbed piece 101 is held in the hole 15 of the panel 12 by expanding with a restoring force from elastic deformation. And if the 2nd up-down direction slider 38 of the 2nd moving mechanism 20 moves below from the state, the raising / lowering member 19 will move below so that it may leave | separate from the root 102 of the seedling 100 with the movement. As a result, as shown in FIG. 9, the root 102 of the seedling 100 planted on the seed bed piece 101 is not sandwiched between the inner peripheral surface of the hole 15 and the side surface of the seed bed piece 101, and the seed bed piece 101. Thus, the seedling 100 transplanted into the row 15 of holes 15 is completed. And the transplanting operation | work of the new seedbed piece 101 with respect to the hole 15 of the following row | line | column in the depth direction X is repeated in the same procedure.
　上記の実施形態によれば、以下のような効果を得ることができる。
　（１）挟持部１７と昇降部材１９とが相対移動し、挟持部１７に挟持された苗床片１０１の下面から下方へ延びた苗１００の根１０２がパネル１２の穴１５の上方で昇降部材１９における水（液体）１０３で濡れた状態にある外側面（表面）に接触することで、苗１００の根１０２が水１０３の表面張力により昇降部材１９の外側面に張り付く。そして、その状態のままで、挟持部１７及び昇降部材１９が共に下降すると、挟持部１７に挟持された苗床片１０１の下面から下方へ延びた苗１００の根１０２は、昇降部材１９に張り付いた状態で、移植先のパネル１２の穴１５の縁に引っ掛かることもなく、その穴１５を下方へ通過する。したがって、移植時に苗床片１０１の下面から外方へ広がるように延びている苗１００の根１０２の全体が揃って穴１５を通過するようにして苗床片１０１を移植先の穴１５に挿入することができる。 According to said embodiment, the following effects can be acquired.
(1) The sandwiching portion 17 and the lifting member 19 are relatively moved so that the root 102 of the seedling 100 extending downward from the lower surface of the seedbed piece 101 sandwiched by the sandwiching portion 17 is above the hole 15 of the panel 12 and the lifting member 19. The root 102 of the seedling 100 sticks to the outer surface of the elevating member 19 by the surface tension of the water 103 by contacting the outer surface (surface) that is wet with the water (liquid) 103. Then, when the sandwiching part 17 and the lifting member 19 are both lowered in this state, the root 102 of the seedling 100 extending downward from the lower surface of the seedbed piece 101 sandwiched by the sandwiching part 17 sticks to the lifting member 19. In this state, it passes through the hole 15 downward without being caught by the edge of the hole 15 of the panel 12 to be transplanted. Therefore, the seed bed piece 101 is inserted into the transplant destination hole 15 so that the roots 102 of the seedling 100 extending so as to spread outward from the lower surface of the seed bed piece 101 are aligned and pass through the hole 15 at the time of transplantation. Can do.
　（２）濡れ生成部として機能する液体供給部３９によって昇降部材１９の表面を水（液体）１０３で濡れた状態にできるため、挟持部１７に挟持された苗床片１０１の下面から下方へ延びた苗１００の根１０２がパネル１２の穴１５の上方で昇降部材１９の表面に接触した際には、その苗１００の根１０２を昇降部材１９の表面に対して容易に張り付かせることができる。 (2) Since the surface of the elevating member 19 can be wetted with the water (liquid) 103 by the liquid supply unit 39 functioning as the wetting generation unit, it extends downward from the lower surface of the seedbed piece 101 held by the holding unit 17. When the root 102 of the seedling 100 comes into contact with the surface of the lifting member 19 above the hole 15 of the panel 12, the root 102 of the seedling 100 can be easily attached to the surface of the lifting member 19.
　（３）濡れ生成部として機能する液体供給部３９は、昇降部材１９の外側面を苗１００の根１０２が表面張力で張り付くのに必要十分な量の水１０３で濡れた状態とするので、大量の水（液体）１０３が供給されることによって昇降部材１９の外側面（表面）が濡れた状態にされることもない。そのため、移植先のパネル１２や移植済みの苗床片１０１に余剰な水（液体）１０３が飛散することを抑制できる。 (3) The liquid supply unit 39 functioning as a wetting generation unit makes the outer surface of the elevating member 19 wet with a sufficient amount of water 103 necessary for the root 102 of the seedling 100 to stick to the surface tension. The outer surface (surface) of the elevating member 19 is not brought into a wet state by supplying the water (liquid) 103. Therefore, it is possible to suppress the excessive water (liquid) 103 from being scattered on the transplant destination panel 12 and the transplanted seedbed piece 101.
　（４）昇降部材１９において上下方向Ｚに長く延びる外側面（表面）が水（液体）１０３で濡れた状態とされるため、苗床片１０１の下面から苗１００の根１０２が長く延びていても、そのように長く延びた苗１００の根１０２を昇降部材１９の外側面に対して上下方向Ｚに長く延びた状態のまま張り付かせることができる。したがって、苗床片１０１の下面から苗１００の根１０２が長く延びている場合においても、移植時にパネル１２の穴１５の縁に苗１００の根１０２が引っ掛かる虞を低減できる。 (4) Since the outer surface (surface) extending in the vertical direction Z of the elevating member 19 is wet with water (liquid) 103, even if the root 102 of the seedling 100 extends from the lower surface of the seedbed piece 101. The root 102 of the seedling 100 that has been extended in such a manner can be attached to the outer surface of the elevating member 19 while extending in the vertical direction Z. Therefore, even when the root 102 of the seedling 100 extends long from the lower surface of the seedbed piece 101, the possibility of the root 102 of the seedling 100 being caught on the edge of the hole 15 of the panel 12 at the time of transplantation can be reduced.
　（５）水（液体）１０３の表面張力によって苗１００の根１０２を張り付かせる表面を有する昇降部材１９をパイプで構成し、そのパイプからなる昇降部材１９の上端開口１９ａから水１０３が溢れ出るように構成することで、簡単に濡れ生成部を構成することができる。 (5) The elevating member 19 having a surface on which the root 102 of the seedling 100 is attached by the surface tension of the water (liquid) 103 is constituted by a pipe, and the water 103 overflows from the upper end opening 19a of the elevating member 19 comprising the pipe. By configuring as described above, the wetting generation unit can be configured easily.
　（６）前記パネル１２には、少なくとも一列に並ぶ複数個の前記穴１５が設けられており、前記昇降部材１９は、当該パネル１２の穴１５の列に対応して並設された複数のパイプから構成されていることから、複数の昇降部材１９を同時に駆動し、一列ずつ複数の苗床片１０１を同時に移植することが可能となり、移植作業の効率が向上する。 (6) The panel 12 is provided with a plurality of holes 15 arranged in at least one row, and the elevating member 19 is a plurality of pipes arranged in parallel corresponding to the rows of the holes 15 in the panel 12. Therefore, it is possible to simultaneously drive a plurality of lifting members 19 and transplant a plurality of seedbed pieces 101 one by one at a time, thereby improving the efficiency of transplanting work.
　（７）また、本実施形態は、別の観点からみれば、苗１００が植え付けられた苗床片１０１を移植先のパネル１２の上方に位置合わせするステップと、前記パネル１２の下方から当該パネル１２に設けられた穴１５に昇降部材１９を挿通して、前記昇降部材１９の長さ方向の中途から上端側の部分を前記パネル１２の穴１５から上方に通過させるステップと、前記苗１００の根１０２を濡れた状態にして、前記パネル１２上方において前記昇降部材１９の表面に接触させるステップと、前記苗床片１０１と前記苗１００の根１０２が接触している昇降部材１９とを共に降下させて、前記パネル１２に前記苗床片１０１を移植するステップと、を備える移植方法である。 (7) Further, from another point of view, this embodiment includes a step of aligning the seed bed piece 101 in which the seedling 100 is planted above the transplant destination panel 12, and the panel 12 from below the panel 12. A step of inserting the elevating member 19 into the hole 15 provided in the upper end and passing a portion on the upper end side from the middle in the longitudinal direction of the elevating member 19 upward from the hole 15 of the panel 12, and the root of the seedling 100 102 in a wet state, the step of contacting the surface of the elevating member 19 above the panel 12 and the elevating member 19 where the seedbed piece 101 and the root 102 of the seedling 100 are in contact are lowered together. Transplanting the seedbed piece 101 to the panel 12.
　本実施形態によれば、苗床片１０１から延びた苗１００の根１０２が事前に濡れた状態で、又は液体供給部３９などの装置によって根１０２を濡らした状態で、パネル１２の穴１５の上方で昇降部材１９の表面に接触する。苗１００の根１０２が濡れているので、苗１００の根１０２は、液体の表面張力により昇降部材１９の表面に張り付く。そして、その状態のままで、昇降部材１９が苗床片１０１と共に下降すると、苗１００の根１０２は、昇降部材１９に張り付いた状態で、移植先のパネル１２の穴１５の縁に引っ掛かることもなく、その穴１５を下方へ通過する。このように、移植時に苗１００の根１０２が苗床片１０１から外方へ広がるように延びていても、苗１００の根１０２は、接触時には濡れた状態になって昇降部材１９に張り付いている。よって、苗１００の根１０２は、全体が揃って穴１５を通過する。この結果、苗床片１０１は、確実に移植先の穴１５に挿入される。「苗１００の根１０２を濡れた状態にして、前記パネル１２上方において前記昇降部材１９の表面に接触させるステップ」は、苗１００の根１０２と昇降部材１９とが接触する時点で、少なくとも苗１００の根１０２が濡れていればよいことを意味する。すなわち、苗床片１０１から延びた苗１００の根１０２が予め液体で濡れた状態にあれば、昇降部材１９の表面に苗１００の根１０２が接触したときに、苗１００の根１０２は、容易に昇降部材１９の表面に張り付く。そのため、本実施形態にかかる移植方法を実施するための移植装置の装置構成として、液体供給部３９は、不要にできる。 According to the present embodiment, when the root 102 of the seedling 100 extending from the seedbed piece 101 is wet in advance or the root 102 is wetted by a device such as the liquid supply unit 39, the upper part of the hole 15 of the panel 12. To contact the surface of the elevating member 19. Since the root 102 of the seedling 100 is wet, the root 102 of the seedling 100 sticks to the surface of the elevating member 19 due to the surface tension of the liquid. And if the raising / lowering member 19 descend | falls with the seedbed piece 101 in the state, the root 102 of the seedling 100 may be caught in the edge of the hole 15 of the panel 12 of the transplant destination in the state stuck to the raising / lowering member 19. Instead, it passes through the hole 15 downward. Thus, even if the root 102 of the seedling 100 extends so as to spread outward from the seedbed piece 101 at the time of transplantation, the root 102 of the seedling 100 becomes wet when contacting and sticks to the lifting member 19. . Therefore, the roots 102 of the seedling 100 are all aligned and pass through the hole 15. As a result, the seedbed piece 101 is surely inserted into the hole 15 of the transplant destination. “The step of bringing the root 102 of the seedling 100 into a wet state and bringing it into contact with the surface of the elevating member 19 above the panel 12” is at least when the root 102 of the seedling 100 and the elevating member 19 contact each other. This means that the roots 102 of the roots need only be wet. That is, if the root 102 of the seedling 100 extending from the seedbed piece 101 is in a wet state with a liquid in advance, the root 102 of the seedling 100 can be easily formed when the root 102 of the seedling 100 contacts the surface of the lifting member 19. It sticks to the surface of the lifting member 19. Therefore, the liquid supply unit 39 can be dispensed with as a device configuration of the transplant device for performing the transplant method according to the present embodiment.
　なお、上記実施形態は、以下のように変更してもよい。また、以下の変更例は、適宜組み合わせてもよい。
　・苗１００の根１０２を昇降部材１９の表面に張り付かせるのに用いる液体は、水１０３以外の他の液体、例えば苗１００を生育させる際に用いる養液等であってもよい。 In addition, you may change the said embodiment as follows. Further, the following modifications may be combined as appropriate.
The liquid used for attaching the root 102 of the seedling 100 to the surface of the elevating member 19 may be a liquid other than the water 103, for example, a nutrient solution used when the seedling 100 is grown.
　・移植装置１１は、例えば液体供給部３９で構成される濡れ生成部を具備しないものであってもよい。すなわち、挟持部１７に挟持された苗床片１０１から下方に延びた苗１００の根１０２が予め水（液体）１０３で濡れた状態にあれば、その根１０２は昇降部材１９の表面に接触したときに容易に張り付く。そのため、このような場合には移植装置１１の装置構成として濡れ生成部を不要にできる。 The transplant device 11 may not include a wetting generation unit configured by the liquid supply unit 39, for example. That is, if the root 102 of the seedling 100 extending downward from the seedbed piece 101 sandwiched by the sandwiching portion 17 is in a state wetted in advance with water (liquid) 103, the root 102 contacts the surface of the lifting member 19. Easy to stick to. Therefore, in such a case, the wetting generation unit can be made unnecessary as the device configuration of the transplanting device 11.
　・濡れ生成部は、昇降部材１９の表面を水（液体）１０３で濡れた状態にする構成に限らない。すなわち、挟持部１７に挟持された苗床片１０１から下方に延びる苗１００の根１０２を水（液体）１０３で濡れた状態にする構成であったり、又は、そのような苗床片１０１から下方に延びる苗１００の根１０２及び昇降部材１９の表面の両方を水（液体）１０３で濡れた状態にする構成であったりしてもよい。 The wetness generating unit is not limited to a configuration in which the surface of the elevating member 19 is wetted with water (liquid) 103. That is, the root 102 of the seedling 100 extending downward from the seedbed piece 101 sandwiched by the sandwiching portion 17 is in a state of being wetted with water (liquid) 103, or extends downward from such seedbed piece 101. The root 102 of the seedling 100 and the surface of the elevating member 19 may be both wet with water (liquid) 103.
　・苗１００の根１０２は、苗床片１０１の下面から下方へ延びる構成以外に、苗床片１０１の側面など下面以外の他の面から下方へ延びる構成であってもよい。
　・濡れ生成部は、中空ブロック３１を介してパイプ状の昇降部材１９の内側に水（液体）１０３を供給する液体供給部３９とは別の位置に設けられた構成でもよい。例えば、挟持部１７の挟持片２１において苗床片１０１を挟持するときに苗床片１０１の側面に接触する面に水１０３を噴射可能な噴射口を設け、その噴射口から噴射されて苗床片１０１に浸透した水１０３が当該苗床片１０１の下面に接触した昇降部材１９の外側面を伝って流れるようにすることで、濡れ生成部を構成するようにしてもよい。 The root 102 of the seedling 100 may be configured to extend downward from another surface other than the lower surface such as the side surface of the seedbed piece 101 in addition to the configuration extending downward from the lower surface of the seedbed piece 101.
The wetting generation unit may be configured to be provided at a position different from the liquid supply unit 39 that supplies water (liquid) 103 to the inside of the pipe-shaped lifting member 19 through the hollow block 31. For example, an injection port capable of injecting water 103 is provided on the surface that contacts the side surface of the seedbed piece 101 when the nursery piece 101 is held in the holding piece 21 of the holding unit 17, and is injected from the injection port to the seedbed piece 101. The wet generation unit may be configured by allowing the infiltrated water 103 to flow along the outer surface of the elevating member 19 in contact with the lower surface of the seedbed piece 101.
　・濡れ生成部は、挟持部１７に挟持された苗床片１０１の下面から下方へ延びる苗１００の根１０２と昇降部材１９の外側面（表面）とが相対移動して接触した際に、その昇降部材１９の外側面に表面張力を生じさせるに足るだけの水（液体）１０３を、昇降部材１９の側方など外部から昇降部材１９に向けて噴射等して供給する液体供給部で構成してもよい。 When the root 102 of the seedling 100 extending downward from the lower surface of the seedbed piece 101 sandwiched by the sandwiching portion 17 and the outer surface (front surface) of the lifting member 19 are moved relative to each other and come into contact with each other, A liquid supply unit configured to supply water (liquid) 103 sufficient to generate surface tension on the outer surface of the member 19 from the outside such as the side of the elevating member 19 to the elevating member 19 is supplied. Also good.
　・濡れ生成部は、水（液体）１０３を噴射したり供給したりする構成ではなく、例えばチラーの利用などにより昇降部材１９の外側面（表面）に結露を生じさせて濡れた状態にすることで、濡れ生成部を構成するようにしてもよい。要するに、昇降部材１９の外側面（表面）に苗１００の根１０２を張り付かせるための表面張力を生じさせるように昇降部材１９の外側面（表面）を濡れた状態にできる構成であればよい。 The wetness generating unit is not configured to inject or supply the water (liquid) 103, and for example, causes condensation on the outer side surface (surface) of the elevating member 19 by using a chiller or the like to make it wet. Thus, the wetting generation unit may be configured. In short, any configuration may be used as long as the outer surface (surface) of the elevating member 19 can be in a wet state so as to generate a surface tension for attaching the root 102 of the seedling 100 to the outer surface (surface) of the elevating member 19. .
　・昇降部材１９は、内側が中空のパイプ形状でなく、中実の円柱形状などでもよい。
　・昇降部材１９は、その外側面が円筒面形状でなく、上下方向Ｚと直交する断面の外形が多角形や不定形でもよい。 -The raising / lowering member 19 may not be a hollow pipe shape inside, but a solid cylindrical shape.
-As for the raising / lowering member 19, the outer surface may not be a cylindrical surface shape, but the external shape of the cross section orthogonal to the up-down direction Z may be a polygon or an indeterminate form.
　・昇降部材１９は、苗１００の根１０２を張り付かせた状態でパネル１２の穴１５を通過可能な形状であれば、パイプ形状やその他の棒形状以外に、球形状やその他の不定形状のものでもよい。そして、昇降部材１９において苗１００の根１０２を張り付かせる表面は、外側面に限らず、その昇降部材１９の上面など他の面であってもよい。 As long as the elevating member 19 has a shape capable of passing through the hole 15 of the panel 12 with the root 102 of the seedling 100 attached, it has a spherical shape or other indefinite shape in addition to a pipe shape or other rod shape. It may be a thing. The surface on which the root 102 of the seedling 100 is stuck on the lifting member 19 is not limited to the outer surface, and may be another surface such as the upper surface of the lifting member 19.
　・挟持部１７が挟持する苗床片１０１の下面から下方へ延びる苗１００の根１０２と昇降部材１９の外側面（表面）とを接触させるために挟持部１７と昇降部材１９とを相対移動させるときには、第１移動機構１８及び第２移動機構２０の少なくとも一方を駆動させればよい。このとき駆動される移動機構が、挟持部１７に挟持された苗床片１０１から下方へ延びた苗１００の根１０２と昇降部材１９とが接触するように挟持部１７と昇降部材１９とを相対移動させる移動機構に相当する。 When the sandwiching portion 17 and the lifting member 19 are moved relative to each other so that the root 102 of the seedling 100 extending downward from the lower surface of the seedbed piece 101 sandwiched by the sandwiching portion 17 and the outer surface (front surface) of the lifting member 19 are brought into contact with each other. It is sufficient to drive at least one of the first moving mechanism 18 and the second moving mechanism 20. The moving mechanism driven at this time relatively moves the holding member 17 and the lifting member 19 so that the root 102 of the seedling 100 extending downward from the seed bed piece 101 held by the holding member 17 and the lifting member 19 come into contact with each other. This corresponds to the moving mechanism.
　・挟持部１７が挟持する苗床片１０１の下面から下方へ延びる苗１００の根１０２と昇降部材１９の外側面（表面）とを接触させるためには、挟持部１７と昇降部材１９とを奥行方向Ｘに相対移動させる以外に、幅方向Ｙに相対移動させて接触させてもよく、又は上下方向Ｚに相対移動させて接触させてもよい。要するに、奥行方向Ｘと上下方向Ｚと幅方向Ｙのうち少なくとも一つの方向に相対移動させて接触させる構成であればよい。 In order to bring the root 102 of the seedling 100 extending downward from the lower surface of the seedbed piece 101 sandwiched by the sandwiching portion 17 into contact with the outer surface (front surface) of the lifting member 19, the sandwiching portion 17 and the lifting member 19 are in the depth direction. In addition to the relative movement to X, they may be moved relative to each other in the width direction Y, or may be moved relative to each other in the vertical direction Z. In short, any structure may be used as long as it is relatively moved in at least one of the depth direction X, the vertical direction Z, and the width direction Y to make contact.
　・挟持部１７は、第１上下方向スライダー３０の移動に伴い上下方向Ｚにだけ移動可能とされた構成でもよい。要するに、第１移動機構１８は、挟持部１７を上下方向Ｚに移動可能とする構成（第１上下方向スライダー３０など）を有していれば、挟持部１７を奥行方向Ｘや幅方向Ｙに移動可能とする構成を有していなくてもよい。すなわち、挟持部１７を移動可能とする第１移動機構１８は、苗床片Ｘ方向駆動部２４及び苗床片Ｙ方向駆動部２５を省略してもよい。 The clamping unit 17 may be configured to be movable only in the vertical direction Z as the first vertical slider 30 moves. In short, if the first moving mechanism 18 has a configuration (such as the first vertical slider 30) that allows the clamping unit 17 to move in the vertical direction Z, the clamping unit 17 can be moved in the depth direction X or the width direction Y. It is not necessary to have a configuration that allows movement. That is, the first moving mechanism 18 that can move the clamping unit 17 may omit the seedbed piece X-direction drive unit 24 and the seedbed piece Y-direction drive unit 25.
　・昇降部材１９は、第２上下方向スライダー３８の移動に伴い上下方向Ｚにだけ移動可能とされた構成でもよい。要するに、第２移動機構２０は、昇降部材１９を上下方向Ｚに移動可能とする構成（第２上下方向スライダー３８など）を有していれば、昇降部材１９を奥行方向Ｘや幅方向Ｙに移動可能とする構成を有していなくてもよい。すなわち、昇降部材１９を移動可能とする第２移動機構２０は、昇降部材Ｘ方向駆動部３３及び昇降部材Ｙ方向駆動部３４を省略してもよい。 The elevating member 19 may be configured to be movable only in the vertical direction Z in accordance with the movement of the second vertical slider 38. In short, if the second moving mechanism 20 has a configuration (such as the second vertical slider 38) that allows the lifting member 19 to move in the vertical direction Z, the lifting member 19 is moved in the depth direction X or the width direction Y. It is not necessary to have a configuration that allows movement. That is, the second moving mechanism 20 that allows the lifting member 19 to move may omit the lifting member X-direction drive unit 33 and the lifting member Y-direction drive unit 34.
　１１…移植装置、１２…パネル、１５…穴、１７…挟持部、１８…第１移動機構（移動機構）、１９…昇降部材、１９ａ…上端開口、２０…第２移動機構（移動機構）、３９…液体供給部（濡れ生成部）、１０１…苗床片、１０２…根、１１０…軸線、１００…苗。 DESCRIPTION OF SYMBOLS 11 ... Transplant device, 12 ... Panel, 15 ... Hole, 17 ... Clamping part, 18 ... 1st moving mechanism (moving mechanism), 19 ... Lifting member, 19a ... Upper end opening, 20 ... 2nd moving mechanism (moving mechanism), 39 ... Liquid supply unit (wetting generator), 101 ... Nursery piece, 102 ... Root, 110 ... Axis, 100 ... Seedling.

Claims (7)

  1. 　苗が植え付けられた苗床片を挟持可能であり且つ少なくとも上下方向へ移動可能に設けられた挟持部と、
    　前記苗の移植先のパネルに設けられた穴を上下方向に通過するように昇降可能に設けられた昇降部材と、
    　前記挟持部に挟持された前記苗床片から下方へ延びた前記苗の根と前記昇降部材とが接触するように前記挟持部と前記昇降部材とを相対移動させる移動機構と、
    を備えることを特徴とする移植装置。     A sandwiching portion provided so as to be able to sandwich a seedbed piece in which a seedling is planted and to be movable at least in the vertical direction;
    An elevating member provided so as to be movable up and down so as to pass through a hole provided in the transplant destination panel of the seedling;
    A moving mechanism for relatively moving the sandwiching portion and the lifting member so that the root of the seedling extending downward from the seedbed piece sandwiched by the sandwiching portion and the lifting member are in contact with each other;
    A transplanting device comprising:
  2. 　前記苗の根及び前記昇降部材の少なくとも一方を液体で濡れた状態にする濡れ生成部を更に備えることを特徴とする請求項１に記載の移植装置。 The transplanting device according to claim 1, further comprising a wetting generation unit that wets at least one of the seedling root and the elevating member with a liquid.
  3. 　前記濡れ生成部は、前記昇降部材の表面を、その表面に前記苗の根が前記液体の表面張力で張り付くのに必要十分な量の液体で濡れた状態にすることを特徴とする請求項２に記載の移植装置。 The wetness generating unit makes the surface of the elevating member wet with a sufficient amount of liquid necessary for the seedling roots to stick to the surface with the surface tension of the liquid. The transplantation device according to 1.
  4. 　前記昇降部材は、その表面の少なくとも一部が上下方向に長く延びる外側面で構成され、その外側面が前記濡れ生成部により前記液体で濡れた状態とされることを特徴とする請求項２又は請求項３に記載の移植装置。 The said raising / lowering member is comprised by the outer surface extended at least partially in the up-down direction at the surface, and the outer surface is made into the state wetted with the said liquid by the said wet production | generation part. The transplant device according to claim 3.
  5. 　前記昇降部材は、上下方向に沿って延びる少なくとも一つのパイプから構成され、前記濡れ生成部は、前記パイプの内側を上方に向けて供給された前記液体が前記パイプの上端開口から前記パイプの外側面を伝って流れるようにすることにより、前記パイプの外側面を前記液体で濡れた状態にすることを特徴とする請求項２～請求項４のうち何れか一項に記載の移植装置。 The elevating member is composed of at least one pipe extending in the vertical direction, and the wetting generator is configured so that the liquid supplied with the inner side of the pipe facing upward is outside the pipe from the upper end opening of the pipe. The transplant device according to any one of claims 2 to 4, wherein the outer surface of the pipe is wetted with the liquid by flowing along a side surface.
  6. 　上記移植装置において、前記パネルには、少なくとも一列に並ぶ複数個の前記穴が設けられており、前記昇降部材は、当該パネルの穴の列に対応して並設された複数のパイプから構成される請求項５に記載の移植装置。 In the transplant device, the panel is provided with a plurality of holes arranged in at least one row, and the elevating member is composed of a plurality of pipes arranged in parallel corresponding to the row of holes in the panel. The transplantation device according to claim 5.
  7. 　苗が植え付けられた苗床片を移植先のパネルの上方に位置合わせするステップと、
    　前記パネルの下方から当該パネルに設けられた穴に昇降部材を挿通して、前記昇降部材の長さ方向の中途から上端側の部分を前記パネルの穴から上方に通過させるステップと、
    　前記苗の根を濡れた状態にして、前記パネルの上方において前記昇降部材の表面に接触させるステップと、
    　前記苗床片と前記苗の根が接触している昇降部材とを共に降下させて、前記パネルに前記苗床片を移植するステップと、を備える移植方法。     Aligning the nursery piece with the seedlings planted above the destination panel;
    Inserting an elevating member from a lower part of the panel into a hole provided in the panel, and passing a portion on the upper end side from the middle of the lengthwise direction of the elevating member upward from the hole of the panel;
    Making the root of the seedling wet, and contacting the surface of the lifting member above the panel;
    A step of lowering both the seedbed piece and a lifting member in contact with the seedling root, and transplanting the seedbed piece on the panel.
PCT/JP2018/016971 2017-06-02 2018-04-26 Transplanting device and transplanting method WO2018221098A1 (en)

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