JPH09271220A - Ejector for seedling - Google Patents

Abstract

PROBLEM TO BE SOLVED: To smoothly eject a seedling even when the root of seedling is not sufficiently spread in bed soil in the case of ejecting the bed soil of seedling out of the pot part of the seedling or a nursery tray concerning a transplanter for planting the soil block seedlings while traveling along a ridge. SOLUTION: Concerning the ejector for seedling in which a seedling tray T equipped with a lot of pot parts P is provided so as to turn the pot parts P sidways a and the seedlings are ejected out of the pot parts P by stinging a seedling eject pawl 68 from the front side of the seedling tray T onto bed soil E in the pot parts P of this seedling tray T and moving the seedling eject pawl 68 backward, in the case of ejecting the seedling S out of the pot part P, the seedling eject pawl 68 is moved backward so that the bed soil E of the seedling can be moved almost along the downside of inner face of the pot part P.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling take-out device used in a transplanter for transplanting seedlings such as vegetables into ridges while running.

[0002]

2. Description of the Related Art Conventionally, as a transplanter for transplanting soil block seedlings such as vegetables into ridges, an engine and a mission case are provided, and a transplanting device is provided behind a traveling machine body having front and rear wheels on both left and right sides for running. However, by using the seedling feeder of this transplanter, the seedlings are taken out one by one from a seedling tray equipped with a large number of pots, and the seedlings are dropped and supplied at the upper end of the locus of the cup into an ascending and descending cup. There is one in which seedlings are transplanted by inserting a cup into the ridges so that seedlings are planted at predetermined intervals in the longitudinal direction of the ridges.

As the seedling dispensing device, the seedling take-out claws are pierced into the bed soil of the seedlings in the pots by advancing from the front side with respect to the seedling trays in which the pots are arranged sideways, and at the same time, the seedling take-out claws are taken. By retracting the seedlings from the seedling tray,
It is considered that the seedlings are taken out from the pot portion, and when the seedlings are taken out, the bed soil is slightly lifted up while the seedling taking-out claws are retracted.

[0004]

In the above, there is not much problem when the root soil is sufficiently rooted, but when the root soil is not sufficiently rooted, the floor soil is There is a problem in that the soil may collapse due to being pressed against the upper wall of the pot and the soil may not be taken out properly.

Therefore, the present invention has been made in view of the above problems.
It is an object of the present invention to provide a seedling take-out device, which allows for good take-out of seedlings.

[0006]

Means for Solving the Problems The present invention provides a technical means taken to achieve the above-mentioned object, in which a seedling tray T having a large number of pot parts P is provided so that the pot parts P are oriented sideways. To the soil E of the seedling S in the pot part P of this seedling tray T,
When the seedling S is taken out from the pot part P in the seedling taking-out device which takes out the seedling S from the pot part P by piercing the seedling taking-out claw 68 from the front side of the seedling tray T and retracting the seedling taking-out claw 68, It is characterized in that the seedling take-out claw 68 is retracted so that the bed soil E of the seedling S moves substantially along the lower surface side of the inner surface of the pot portion P.

In addition to the above structure, a pair of seedling take-out claws 68 are provided side by side, and the pair of seedling take-out claws 68 are pierced by the bed soil E of the seedling S so that they gradually approach toward the tip. It is also characterized.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. 8 and 9, the vegetable transplanting machine 1 is a walking type having a transplanting device 3 and a steering handle 4 behind a traveling machine body 2, and is a soil block seedling while traveling in the longitudinal direction across a ridge R. S is planted in the ridge R at a predetermined interval.

The advancing direction of the transplanting machine 1 is called the front-back direction, and the lateral direction orthogonal to the advancing direction is called the left-right direction. The lateral direction means a direction orthogonal to the vertical direction. In the traveling machine body 2, a pedestal 6 is attached and fixed to the front part of the mission case 5 so as to project forward, an engine 7 and the like are mounted on the pedestal 6, and the mission case 5, the pedestal 6 and the engine 7 are It is supported by a support frame 10 supported by front wheels 8 and rear wheels 9 provided on both sides so as to be movable in the left-right direction.

The support frame 10 includes a pair of left and right main frames 11L and 11R arranged in the front-rear direction.
The left and right main frames 11 are formed by connecting the first and second connecting frames 12 and 13 to each other.
The second connecting frame 13 is located on the front end side between L and 11R.
Is located behind the first connection frame 14, and the third connection frame 14 is located above the rear end between the left and right main frames 11L and 11R.

The first to third connecting frames 12, 13, 14 are cylindrical bodies 12a, 13a, 14a, and the cylindrical bodies 12a, 13.
Shaft body 12 slidably fitted in a and 14a
b, 13b, 14b, and is configured to be expandable and contractible in the left-right direction. Then, the cylindrical bodies 12a, 13a,
14a is fixed to the left main frame 11L, and the shafts 12b, 13b, 14b are the right main frame 11R.
Is fixed to the first to third connecting frames 12, 13,
The support frame 10 can be expanded and contracted in the left-right direction by the expansion and contraction of 14. Therefore, by expanding and contracting the support frame 10 in the left-right direction, the distance between the front and rear wheels 8, 9 in the left-right direction corresponds to the width of the ridge. In addition, it can be adjusted according to other situations such as storage in the warehouse and traveling on the road.

The second and third connecting frames 13 and 14 are also provided.
The right end of the cylindrical bodies 13a, 14a is provided with a first restricting means 15 for restricting the left and right expansion and contraction of the second and third connecting frames 13, 14 in a releasable manner. The first restricting means 15 is constituted by a pin or the like which is removably inserted between the cylinders 13a, 14a and the shafts 13b, 14b, and a pin inserted on the shafts 13b, 14b. A plurality of holes (or pin engagement grooves) are formed in the axial direction of the shaft bodies 13b and 14b so that the left and right spaces between the front and rear wheels 8 and 9 can be fixed at positions adjusted to a space corresponding to an arbitrary predetermined ridge width. Have been.

A first movable cylinder 16 is slidably fitted on the cylindrical body 13a of the second connecting frame 13 in the left-right direction, and a second movable cylinder 17 is slidably mounted on the cylindrical body 14a of the third connecting frame 14 in the left-right direction. It is movably fitted externally, the front part of the gantry 6 is fixed to the first movable cylinder 16, the front part of the fixed frame 18A is fixed to the second movable cylinder 17, and the front part of the fixed frame 18A is fixed. Is also connected and fixed to the mission case 5, and the steering handle 4 is connected and fixed to the rear part of the fixed frame 18A, and is pivotally attached to the left and right side parts of the case 5 so as to be rotatable about the left and right axes. Then, a movable frame 18B that is vertically swingable is attached, and the transplantation device 3 is attached and supported by the fixed frame 18A and the movable frame 18B. Therefore, the engine 7, the transmission case 5, the transplant device 3, the handle 4, and the like can be integrally moved left and right.

Further, the support frame 10 and the fixed frame 1
8A, a second restricting means 19 for restricting lateral movement of the engine 7, the transmission case 5 and the like is provided so as to be releasable. The second restricting means 19 includes a restricting handle 20 formed of a rod member and a restricting handle 20. It is mainly composed of a member 21. The regulation handle 20 is arranged on the right side of the mission case 5 and the fixed frame 18A in the front-rear direction, and a boss portion 20a is provided on the front portion thereof, and the boss portion 20a is vertically attached to a bracket 22 fixed to the right main frame 11R. The control handle 20 is supported so as to be rotatable about an axis in the direction and slightly swing up and down, and the rear end portion of the control handle 20 is positioned on the lower rear side of the steering handle 4 and the grip portion. 20b is provided. Further, the middle portion of the regulation handle 4 is fixed to the fixed frame 18 via the connecting member 23.
It is linked to A.

Therefore, the engine 7, the mission case 5, the transplantation device 3, the handle 4 and the like can be integrally moved to the left and right by gripping the grip portion 20b and swinging the regulating handle 20 to the left and right. It has become. As shown in FIGS. 11 and 12, the restriction member 21 has bolts and nuts 2 which are formed by overlapping one end sides with each other.
The mounting plate 2 is connected by fixing tools such as 4, 25 and the like.
6 is composed of a pair of front and rear regulation plates 21A and 21B that are fixedly mounted on the right side main frame 11
It is fixed to a support plate 30 which is attached and fixed to a mounting base 27 fixed to R by fixing tools such as bolts and nuts 28 and 29.

Each of the regulation plates 21A and 21B is formed with an upward opening concave portion 31 into which the regulation handle 20 is removably fitted from above, and the regulation handle 20 is selectively inserted into the left and right concave portions 31. By fitting, the position of the engine 7, the mission case 5, the transplanting device 3, the handle 4 and the like in the left-right direction is regulated, whereby the transplanting device can be adapted to single-row planting, double-row planting, triple-row planting, and four-row planting. The position of the planting part 3 is fixed. With this configuration, the position of the implanting portion of the implanting device 3 can be easily determined by swinging the regulation handle 20.

Further, the bolt insertion hole 32 formed in each of the regulation plates 21A and 21B and the bolt insertion hole 33 formed in the support plate 30 are formed in an elongated hole shape elongated in the left-right direction, whereby the engine 7, The left and right positions of the mission case 5, the transplantation device 3, the handle 4, and the like, that is, the left and right positions of the transplanted portion of the transplantation device 3 can be arbitrarily set.

The pedestal 6 and the main frame 11 on the right side
An expanding / contracting device which is composed of a hydraulic cylinder or the like and is capable of expanding and contracting in the left-right direction is provided between the R and R. Main frame 11L, 1
The interval between 1R is adjustable. A front wheel support shaft 34 is disposed below the first connection frame 12 in parallel with the first connection frame 12, and the front wheel support shaft 34 includes a tubular body 34a having a hexagonal cross section and a tubular body 34a, as shown in FIGS. A shaft body 34b having a hexagonal cross section that is fitted in the body 34a so as to be slidable in the left-right direction. The cylindrical body 34a and the shaft body 34b are integrally rotatable around the left-right axis, and the front wheel is also rotatable. The support shaft 34 is configured to be expandable and contractible in the left-right direction.

The cylinder 34a of the front wheel support shaft 34 is formed by a bearing (not shown) in the cylinder 34a of the first connecting frame 12.
It is rotatably supported around the left and right axes. The shaft 34b
The base of the elevating arm 35 is fixed to the right end of the elevating arm 35, and the left end of the rotating shaft 36 concentric with the shaft 34b is fixed to the right side of the base of the elevating arm 35. A piston rod of an elevating cylinder 38 pivotally mounted on a fixed bracket 37 on the right main frame 11R so as to be rotatable about left and right axes.

A support cylinder 39 is externally fitted on the rotary shaft 36 so as to be rotatable about the left and right axes, and a front end side of a front wheel support arm 40 is provided on the right end side of the support cylinder 39 and the left end side of the cylinder 34a. The front wheels 8 are connected and fixed, and the front wheels 8 are attached to the rear end side of each front wheel support arm 40 so as to be rotatable around the left and right axes. An upper end side of a transmission case 42 is rotatably supported by a fixed cylinder 41 fixed to a rear portion of each of the left and right main frames 11L and 11R about a left and right axis, and a rear wheel 9 is attached to a lower end side of each transmission case 42. It is rotatably mounted around the left and right axes. The rotational power of the engine 7 is transmitted to the rear wheels 9 from the transmission case 5 through a traveling transmission shaft 49 that is capable of expanding and contracting in the left-right direction, a chain winding transmission mechanism in the transmission case 42, and the rear wheels 9 rotate. Driven.

A first interlocking arm 43 is projectingly provided on the support cylinder 39 and the cylinder 34a, and the upper end side of the transmission case 42 is
A second interlocking arm 44, which is interlockingly connected by the first interlocking arm 43 and the interlocking rod 45, is provided in a protruding manner. Rotating shaft 3
The base of the third interlocking arm 46 is fixed to the right end of 6,
The front end of the connecting rod 47 is pivotally attached to the tip end of the third interlocking arm 46 so as to be rotatable about the left and right axes, and the Monroe cylinder 48 is fixed to the rear end of the connecting rod 47.
The tip end of the piston rod of the Monroe cylinder 48 is pivotally attached to the right and left interlocking rod 45 at a middle portion in the front-rear direction so as to be rotatable about the left and right axes.

By moving the piston rod of the lifting cylinder 38 back and forth, the lifting arm 48 rotates, and the front wheel support shaft 47 and the rotation shaft 36 rotate.
The left front wheel support arm 40 swings up and down to move the left front wheel 8 up and down, and the left transmission case 42 moves up and down via the first interlocking arm 43, interlocking rod 45, and second interlocking arm 44 on the left side. It swings and the left rear wheel 9 moves up and down,
The third interlocking arm 46 is rotated by the rotation of the rotating shaft 36, the right interlocking rod 45 is moved back and forth via the connecting rod 47 and the Monroe cylinder 48, and the support cylinder 39 is moved via the right first interlocking arm 43. By rotating, the right front wheel support arm 40 swings up and down to move the right front wheel 8 up and down, and the right transmission case 42 swings up and down through the right second interlocking arm 44 to move the right rear wheel 9 up and down. To do.

As described above, the support frame 10, the engine 7, the mission case 5, the transplanting device 3, the handle 4 and the like are moved up and down by the expansion and contraction of the elevating cylinder 38, whereby different ridge R heights can be accommodated. In addition to being able to do, planting can be performed corresponding to the height change of the ridge R. Also,
By moving the piston rod of the Monroe cylinder 48 back and forth, the right interlocking rod 45 moves back and forth, and the right and left front wheels 8 and 9 move up and down.
By raising and lowering only the right and left front wheels 8 and 9, the traveling machine body 2 and the transplantation device 3 can be held horizontally on a slope.

The transplanting device 3 includes a planting device 50 for planting the seedling S in the ridge R and a seedling supplying device 5 for supplying the seedling to the planting device 50.
1 and the soil covering device 52. In addition, when the ridge R is covered with a mulch film,
A punching device is provided for forming holes for planting in the mulch film. As shown in FIG. 10, the planting device 50 includes a planting cup 53 to which the seedling S is fed from the seedling feeding device 51, and a swing link mechanism 54 which supports the planting cup 53 so as to be vertically swingable. Mainly composed. Swing link mechanism 54
Is a bracket 5 whose upper end is fixed to the movable frame 18B.
A first parallel link 5 pivotally attached to 5 and swingable back and forth.
6, a swing plate 57 pivotally attached to the lower end of the first parallel link 56, and a second parallel link 58 pivotally attached to the swing plate 57 at the front end thereof. A planting cup 53 is pivotally attached to the rear end of the plant 58.

A bearing 59 is fixed to the upper link of the second parallel link 58, and a crankshaft 61 rotatably supported via left and right bearings is provided between the left and right frame members of the movable frame 18B. The crank pin 61 b between the crank arms 61 a of the crank shaft 61 is inserted into the bearing 59. The crankshaft 61 is shown in FIG.
By rotating counterclockwise at 0, the planting cup 53 swings up and down while swinging up and down by the first and second parallel links 56 and 58, and the locus indicated by the alternate long and short dash line in FIG. Move as you draw and at the upper end of the locus, plant cup 5
The seedlings are dropped and supplied from above to 3, and the lower part of the planting cup 53 rushes into the ridge R at the lower part of the locus.

Further, the planting cup 53 is provided with a beak-shaped opener at the lower part that opens and closes in the front and back. When the planting cup 53 plunges into the ridge R, the opener is opened and closed by the interlocking device to the ridge R. A transplant hole is formed and a seedling can be planted in the transplant hole. It should be noted that the crankshaft 61 has a first PTO shaft 62 that projects from the mission case 5 to the left and right sides and also serves as a support for the movable frame 18B.
The power is transmitted from the winding power transmission mechanism 63.

The soil cover device 52 includes a pair of left and right soil cover wheels 64 that roll on the ridges R to keep the planted seedlings S soiled and crushed and support the rear portion of the movable frame 18B. Reference numeral 64 is attached to a support frame 66 whose front portion is pivotally supported around a left-right axis on a bracket 65 hanging from the movable frame 18B, and the rear portion of the support frame 66 is provided with the support frame 66 and the movable frame 1.
Interval adjusting mechanism 67 capable of adjusting the vertical interval with 8B
It is hung from the movable frame 18B by means of, and the plunge depth (planting depth) of the planting cup 53 can be adjusted by adjusting the vertical gap between the support frame 66 and the movable frame 18B. .

The seedling feeding device 51 is mounted on the fixed frame 18A, and moves in the arrangement direction of the pot parts P a seedling tray T in which a large number of pot parts P having the seedlings S are arranged in a grid pattern. From the seedling feeding device 69 and the seedling tray T, the seedlings S are taken out one by one at a predetermined seedling taking-out position by the seedling taking-out claws 68, and the seedlings S are conveyed to above the planting cup 53 and then the planting cup 53. It is composed of a seedling feeding device 70 to be dropped into 53.

The seedling tray T is made of resin and has flexibility, and the pot portions P are provided so as to project to the back surface. Each pot portion P has a bottomed square tubular shape with an open front side and a bottom. It is tapered toward the end. Then, soil block seedlings S are provided by pouring soil into each pot portion P, sowing and raising seedlings there. The seedling feeding device 69 may have an inclined shape (upright shape) that shifts backward as the seedling tray T moves upward so that the pot portion P faces the lateral direction (front in the case of the example). ) And a movable frame 71 supported by the fixed frame 18A and the steering handle 4 so as to be movable in the left-right direction. When the seedling S is picked up by the seedling take-out claw 68, the movable frame 71 is placed beside the pot portion P. When the horizontal feeding mechanism drives the horizontal movement of the seedlings S so that the seedlings S move by one pitch in the arrangement direction (horizontal direction), the pot parts P are vertically arranged in the vertical arrangement direction (the tilting direction of the seedling tray T). It is driven by the vertical feed mechanism so as to move by one pitch in the direction.

As shown in FIG. 2 and FIG. 3, the seedling feeding device 70 has the above-mentioned seedling taking-out claw 68 and a claw operating mechanism 72 for driving the seedling taking-out claw 68. The seedling take-out claws 68 are made of a round bar material having a sharp tip, are provided in a pair on the left and right, and are juxtaposed so as to be close to each other as they move to the tip side. The claw operating mechanism 72 reciprocates the seedling take-out claw 68 between the seedling tray T and the planting cup 53 while changing the posture of the seedling take-out claw 68, and the pair of seedling take-out claws 68 is attached. It has a claw support 73, a claw guide 74 that guides the pair of seedling picking claws 68 forward and backward, and a holding body 75 that supports the claw support 73 and the claw guide 74 so as to be reciprocally movable in the longitudinal direction. .

The pawl operating mechanism 72 is used for the fixed frame 18
The gearbox 76 is mounted on and fixed to a support body 77 fixed on A so that its mounting posture can be adjusted. The gearbox 76 includes an input shaft 78 and an output shaft 7 protruding laterally.
9, the output shaft 79 is interlockingly connected to the input shaft 78 through a bevel gear transmission mechanism, and the pawl operating mechanism 72 and the seedling feeding device 69 are driven by the rotational power of the output shaft 79.

The power of the engine 7 is transmitted to the input shaft 78 via a universal joint 81 to a second PTO shaft 80 protruding from the rear surface of the transmission case 5. A crank body 82 is provided on the output shaft 79, and a crank pin 83 is provided on the crank body 82 so as to project laterally.
Further, the output shaft 79 is provided with a drive cam 84 which is coaxial with the crank body 82.

The lower portion of the swing arm 85 is pivotally connected to the gear box 76 below the crank body 82 by a swing shaft 86 (FIGS. 4 to 7), and the swing arm 85 is provided at a midway portion thereof. A grooved cam 87 extending in the up-down direction (arm longitudinal direction) is formed therein, and a roller 88 externally fitted to the crank pin 83 of the crank body 82 is inserted and engaged with the grooved cam 87.

A holder 75 is pivotally connected to the upper part of the swing arm 85 via a pin 89. The holding body 75 is formed in a tubular shape, and a claw support 73 made of a pipe is inserted and guided so as to be movable in the axial direction, and the claw support 73 can be moved back and forth toward the seedling tray T. This nail support 73
A pair of seedling take-out claws 68 that are pierced obliquely into the bed soil E of the seedling S in the pot P are attached to the tip end of the.

A plate-shaped support member 90 is attached and fixed to the upper surface of the gear box 76 with bolts. Holder 75
A roller 92 is mounted on the support member 90 via a bracket 91 so that the roller 92 can freely rotate.
It is engaged with a cam groove 95 formed in a guide plate 94 which is swingably attached via the guide groove 3.

The guide plate 94 has a rolling roller 96 at the tip of the downwardly projecting arm, and the rolling roller 96 is in contact with the drive cam 84 to rotate the drive cam 84 counterclockwise. This allows the guide plate 94 to swing about the pin 93. In addition, the guide plate 94 has the support member 90.
The spring 9 interposed between the roller 9 and
6 is urged in the direction in which it is pressed against the drive cam 84.

A base 98 provided at the base end of the claw support 73
And the tubular portion 75 of the holding body 75 that holds the claw support 73 inside.
A coil spring 99 for urging the claw support 73 in the direction of retracting the claw support 73 is interposed between the a and the a.
A claw mount 100 is fitted and fixed to the front end portion of 3.
The bases of the pair of seedling picking claws 68 are pivotally supported on the claw mounting tool 100 via shafts 101, respectively, and the pair of seedling picking claws 68 swing so that the tips of the pair of seedling picking claws 68 move in the distance. It is possible.

At the lower end of the holder 75, the extrusion link 10 is provided.
2 is rotatably connected via a pin 103. A long groove (or long hole) 10 is formed at the tip of the extrusion link 102.
4 is formed and the pin 1 provided on the protruding arm of the claw attachment 100
It is engaged with 05. The push-out link 102 is provided with a substantially arcuate cam plate 106 that can contact the crank pin 83 of the crank body 82.

A claw guide 74 is slidably inserted in the longitudinal direction into the claw support 73, the base 98 and the claw mount 100. The claw guide 74 is formed of a round bar or the like, and the seedling is provided at the front end thereof. A guide portion 107 having a guide hole for inserting and guiding the take-out claw 68 is provided, an L-shaped operating member 108 in a side view is attached to the rear end, and a stopper 109 is fixed in the middle portion. The coil spring 110 is compressedly fitted between the base 98 and the base 98.

An operating piece 111 is pivotally supported by the holding body 75 and is urged clockwise by a spring 112 in FIG. 2, and the operating piece 111 has a substantially T-shape having one leg and both arms. And the lock portion 111a is provided on one arm,
The releasing part 111b is provided on the other arm and the pushing part 111c is provided on the foot.
Are formed. The actuating member 108 fixed to the claw guide 74 has a portion parallel to the claw guide 74, and the parallel portion is guided by the holding body 75 in a non-rotating state, and the parallel protrusion is projected on the sliding surface. By engaging with the lock portion 111a of the operation piece 111, the movement of the claw guide 74 in the protruding direction is restricted.

A lock arm 113 is pivotally supported on the base 98 at the rear end of the claw support 73. The lock arm 113 is biased clockwise by a spring 114 in FIG. Engaging portion 115 of holding body 75
A hook portion 116 that can be engaged with is formed. In the above configuration, when the output shaft 79 rotates counterclockwise from the state shown in FIG. 4, as shown in FIG. 5, the crank body 82 rotates together and the roller 88 fitted to the crank pin 83 causes the cam plate to move. 106 is pushed to push the extrusion link 102 into the seedling tray T.
The claw attachment 100 and the claw support 73 are pushed toward the seedling tray T side with respect to the holding body 75, and the coil springs 99 and 110 are compressed.
As a result, the seedling take-out nail 68 projects and pierces the soil S of the seedling S, and the nail support 73 has a restoring force for retracting.

When the seedling take-out claw 68 is projected and pierces the bed soil E of the seedling S, the seedling take-out claw 68 is regulated by the guide hole of the guide portion 107 and the distance between the tip ends of the left and right seedling take-out claws 68. The seedling take-out claw 68 is configured to be pierced into the soil S while narrowing. In addition, when the claw support 73 is projected, the hook portion 116 of the lock arm 113 is attached to the holder 7.
The state is maintained by engaging with the engaging portion 115 of No. 5. Further, the swing arm 85 and the guide plate 94 do not swing.

When the output shaft 79 further rotates counterclockwise from the state shown in FIG. 5, as shown in FIG.
When 8 slides in the groove cam 87 of the swing arm 85, the swing arm 85 swings around the swing shaft 86 in the direction away from the seedling tray T, and the claw support 73, the claw guide 74, and The seedling take-out claw 68 moves backward with respect to the holding body 75 with respect to the seedling tray T, and the floor soil E of the seedling S is taken out from the pot P.

At this time, due to the swing of the swing arm around the swing shaft 86 and the sliding of the roller 92 in the cam groove 95,
The take-out direction of the floor soil E is controlled, and as shown in FIG.
The floor soil E is smoothly drawn out so that the floor soil E is substantially along the lower wall portion of the pot portion P, and the floor soil E is smoothly dragged on the wall portion, and the seedling S is spread over the entire floor soil E. Even if the roots are not sufficiently stretched, the soil E can be taken out well.

When the output shaft 79 further rotates counterclockwise from the state shown in FIG. 6, as shown in FIG. 7, the seedling picking claw 68 together with the claw support 73, the claw guide 74 and the holding body 75.
Moves in a direction away from the seedling tray T, the roller 92 slides on the front rising portion of the cam groove 95, and the seedling take-out pawls 68 and the like are changed to a substantially downward posture, so that the seedling S is brought to a downward posture. At the same time, the seedling S is positioned above the front part of the planting cup 53.

When the seedling pick-up claw 68 moves to the state of FIG. 7 in a substantially downward posture, the pushing portion 111c of the operating piece 111 and the lock releasing member 117 provided on the support member 90 so that the position thereof can be adjusted. Abut. When the operating piece 111 is rotated, first, the lock on the operating member 108 by the lock portion 111a of the operating piece 111 is released, and the spring 1
The claw guide 74 is projected by the urging force of 10, the seedling S held by the seedling take-out claw 68 is pushed out from the seedling take-out claw 68, and is dropped into the planting cup 53 from above. After that, when the operating piece 111 further rotates, the releasing portion 111
The lock arm 113 is pushed up by b to release the engagement between the hook portion 116 and the engaging portion 115, and the coil spring 9
The claw support 73 is retracted along with the claw guide 74 by the biasing force of 9.

After that, the output shaft 79 rotates counterclockwise to move to the state shown in FIG. 4, and the above operation is repeated. Note that, as shown in FIG. 14, the floor soil E may be taken out so as to move on the extension line of the lower side wall portion of the pot portion P.

[0048]

According to the present invention, the seedling tray T provided with a large number of pot portions P is provided so that the pot portions P are oriented laterally, and the bed soil E of the seedlings S in the pot portion P of the seedling tray T is provided. To
When the seedling S is taken out from the pot part P in the seedling taking-out device which takes out the seedling S from the pot part P by piercing the seedling taking-out claw 68 from the front side of the seedling tray T and retracting the seedling taking-out claw 68, Since the bed soil E of the seedling S is moved substantially along the lower surface side of the inner surface of the pot part P, the seedling take-out claw 68 is moved backward, so that the seedling S is removed from the pot part P.
When the seedlings S are taken out, the seedlings S can be taken out smoothly even if the root soil E is not sufficiently rooted.

In addition to the above-mentioned structure, a pair of seedling take-out claws 68 are provided side by side, and the pair of seedling take-out claws 68 are pierced by the bed soil E of the seedling S so as to gradually approach toward the tips. As a result, the certainty of taking out the seedling S is improved.

[Brief description of drawings]

FIG. 1 is a side sectional view showing a state in which seedling soil is taken out from a pot section.

FIG. 2 is a side sectional view of a seedling dispensing device.

FIG. 3 is a plan view of a seedling feeding device.

FIG. 4 is a side view showing the operation of the seedling dispensing device.

FIG. 5 is a side view showing the operation of the seedling feeding device.

FIG. 6 is a side view showing the operation of the seedling dispensing device.

FIG. 7 is a side view showing the operation of the seedling feeding device.

FIG. 8 is an overall side view of the transplanter.

FIG. 9 is an overall plan view of the transplanter.

FIG. 10 is a side view of a planting device and the like.

FIG. 11 is a plan view of a regulation member.

FIG. 12 is a partial rear cross-sectional view of the regulation member.

FIG. 13 is a plan sectional view showing a front wheel support shaft.

FIG. 14 is a side cross-sectional view showing another state in which the bed soil of seedlings is taken out from the pot section.

[Explanation of symbols]

 68 Seedling extraction nail S Seedling E Bed soil T Seedling tray P Pot section

Claims (2)

[Claims] 1. A seedling tray (T) having a large number of pot portions (P) is provided such that the pot portions (P) are oriented horizontally, and seedlings (P) in the pot portions (P) of the seedling tray (T) are provided. On the soil (E) of S), from the front side of the seedling tray (T), the nails for picking seedlings (68)
In the seedling take-out device that takes out the seedlings (S) from the pot part (P) by piercing the seeds and retracting the seedling taking-out nails (68), when taking out the seedlings (S) from the pot part (P), , Seedling (S)
The seedling take-out device (68) is set back so that the ground soil (E) of the above-mentioned moves substantially along the lower surface side of the inner surface of the pot part (P). 2. A pair of seedling take-out claws (68) are arranged side by side, and the pair of seedling take-out claws (68) are pierced into the bed soil (E) of the seedling (S) so that they gradually approach toward the tip. The seedling take-out device according to claim 1, wherein