JP3211370B2 - Seedling box feeder for seedling transplanter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling removing device for taking out seedlings from a flexible seedling box, a seedling planting device for planting the seedlings taken out by the seedling removing device, and a method for connecting the seedling box to the seedlings. The present invention relates to a seedling transplanter provided with a seedling box supply device for sending to a take-out device.

[0002]

2. Description of the Related Art Conventionally, a seedling removal device for removing seedlings from a flexible seedling box, a seedling planting device for planting the seedlings removed by the seedling removal device, and sending the seedling box to the seedling removal device. There is a seedling transplanter equipped with a seedling box feeding device, and the seedling box feeding device is provided with a seedling box feeding guide for feeding one or two seedling boxes in series.

[0003]

In the conventional apparatus, only one or two seedling boxes can be loaded into the seedling box supply device, and if the seedlings of the loaded seedling box are transplanted, the seedling box can be loaded. A new seedling box must be supplied to the supply device. For this reason, a seedling box replenishment operation frequently occurs during the seedling planting operation, resulting in poor work efficiency.

[0004]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention relates to a seedling removing device for removing seedlings from a flexible seedling box, and a seedling plant for planting the seedlings removed by the seedling removing device. A seedling box feeding device, comprising: a seedling box feeding device for sending the seedling box to the seedling removal device; wherein the seedling box feeding device includes a seedling box feeding device having a mainstream portion and a branching portion branched from the mainstream portion. A seedling box supply device for a seedling transplanter, wherein a guide is provided and the seedling box loaded in the tributary part is connected to the mainstream part so that the seedling box is continuously sent to the mainstream part. did.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A seedling transplanter 1 shown in FIG. 1 is for planting rice seedlings in a paddy field. The seedling transplanter 1 has a planting section 4 mounted on a rear side of a riding-type traveling vehicle body 2 via a link device 3 that moves up and down, and also applies fertilizer to the side soil of the planted seedling. A fertilizer application device 5 is provided between the traveling vehicle body 2 and the planting section 4.

The traveling vehicle body 2 is provided with a pair of left and right driving front wheels 6, 6 for steering and a pair of left and right driving rear wheels 7, 7.
A transmission case 9 is mounted on the front side of the engine 8 and an engine E is mounted on the rear side. The rotational power of the engine E is transmitted once to a hydraulic pump mounted on the upper part of the transmission case 9 by a belt transmission 10. From there, it is transmitted into the transmission case 9 by a belt transmission 11 which can be operated continuously. The power in the transmission case 9 is transmitted to the front wheels 6, 6, and the rear wheels 7, 7, and is transmitted to the planting section 4 via the transmission shaft 9a, the intermediate case 9b, and the transmission shaft 9c. You. Reference numeral 12 denotes a steering wheel for steering the front wheels 6, 6, 13 denotes a seat on which a driver sits, and 14 denotes a step floor when the driver moves on the traveling vehicle body 2.

[0007] The lifting link device 3 is a frame of the traveling vehicle body 2.
The upper link 15 on the link base 8a fixed to the rear end of the
a, 15a and lower links 15b, 15b are rotatably mounted, and a vertical link 1
5c are connected. A connecting shaft 16a fixed to the planting transmission case 16 of the planting portion 4 is rotatably connected to a connecting bearing portion 15c 'projecting rearward from the lower end portion of the vertical link 15c. The unit 4 is mounted to be rotatable left and right with respect to the traveling direction. The hydraulic cylinder 17 has a base portion attached to the frame 8 and the piston rod portion 1.
The side 7a is connected via a spring to the distal end of an arm 15a 'integrally fixed downward from the base of the upper link 15a, and is attached. When the hydraulic cylinder 15 expands and contracts, the upper and lower links 15a, 15a, 15
b and 15b rotate around the support shaft on the link base 8a side,
The planting section 4 moves up and down. The operation of the hydraulic shilling 17 is controlled by a hydraulic valve 18.

The fertilizer applicator 5 is a side-row fertilizer that fertilizes near the planting seedling simultaneously with planting of the seedling in the planting section 4. First, a hopper 20 containing fertilizer and a lower side of the hopper 20 are provided. The attached extending portions 21 are positioned on the front side of the planting portion 4 with respect to the front-rear direction and on the rear side of the seat 9 of the traveling vehicle body 2, and the same number of the extending portions 21 as the number of planting strips (here, 4 Are provided corresponding to the row planting). And the fed fertilizer is used to make a groove
3 are connected to the respective feeding portions 21. Further, there is provided a blower 24 and an air chamber 25 for temporarily storing the compressed air from the blower and blowing it into the upper end of the fertilizing hoses 22. Therefore, this fertilizer application device 5, fertilizer put into the hopper 20,
A predetermined amount of the fertilizer is fed into the fertilizing hose 22 by a lower feeding part 21 and is blown into the fertilizing hose 22. 23.

C is a plastic seedling box made of plastic, in which small pots C1 are arranged at predetermined intervals in the left, right, front and rear directions, openings C2 are connected to each other, and bottom sides C3 are formed in an independent shape. . Further, square holes C5 for feeding seedling boxes are provided at left and right edge portions C4 and C4 along the longitudinal direction of the seedling box C in accordance with the longitudinal intervals of the pots C1. At the bottom C3 of each pot C1, a round hole or a tear hole C6 for removing seedlings is provided. The seedlings are sown and covered by filling the soil in each pot C1. The seedling boxes C, which have been raised one by one for each pot C1..., Are loaded into the seedling transplanter 1 together with the seedling boxes.

The planting section 4 has a four-row planting structure and includes a seedling box supply device 30, a seedling take-out device 31, a seedling transfer device 32, and a seedling planting device 33. A plurality of flexible seedling boxes C are provided. Are loaded into the seedling box supply device 30 and sequentially sent to the seedling pushing position P of the seedling removal device 31, and the seedlings are taken out from the seedling box C sent by the seedling removal device 31, and the taken out seedlings are transferred to the seedlings. The seedling conveyed to the seedling picking position S of the seedling seeding device 33 by the device 32, and the seedling conveyed to the seedling picking position S is picked up by the seedling seeding device 33 and planted in the field.
A center float 34 and a pair of left and right side floats 35, 35 are provided below the planting section 4. Functions as a damper element. Each of the floats 34, 35, 35 is provided with a groove generator 23 for forming a fertilizer groove in a field scene near the seedling planting position of each line. The center float 34 is also a sensor for detecting unevenness in the field scene.
The hydraulic valve 18 is actuated in accordance with the vertical movement of the valve. That is, when the center float 34 moves upward, the hydraulic valve 18 is operated in a direction to extend the hydraulic cylinder 17, and when the center float 34 moves downward, the hydraulic valve 18 is operated in a direction to contract the hydraulic cylinder 17. The specific configuration of each device will be described below.

The seedling box feeding device 30 includes a seedling box feeding guide 3.
.. Are provided for each planting strip. The seedling box feed guide 30 'has a configuration in which U-shaped rail portions 30b, 30b are integrally provided on the left and right sides of a trough portion 30a having a concave cross section. Seedling box C has left and right edges C
4, C4 are loaded so as to enter the grooves of the U-shaped rail portions 30b, 30b, and are slid in the groove direction of the rail portions 30b, 30b to be transported. Also, the seedling box feeding guide 30 'is connected to the mainstream portion 30A by the first
The structure has a branch 30B and a second branch 30C. The mainstream section 30A is provided with a seedling box supply port 30 at the front end thereof.
A ′ is the hopper 20 behind the hopper 20 of the fertilizer application device 5.
Transmission planting case 1 located on the upper side of the upper surface and rearward from there
6, the rear end side is inclined upward again. Main stream 30A
The upper end portion is supported by the upper ends of the support frames 16b, 16b whose bases are fixed to the planting transmission case 16 along the slope below the mainstream portion 30A and the upper end of the mainstream portion 30A. It is fixedly supported by a horizontally long support frame 16c which is fixed in the horizontal direction over all the strips on the lower side of the side. The lower part and the rear end part of the main flow portion 30A are fixed to the planting transmission case 16 by two members at right and left by integral members.

The first branch 30B is provided above the main branch 30A, and the second branch 30C further includes a first branch 30C.
It is provided so as to be located on the upper stage of the branch portion 30B. The seedling box supply port 30B ′ at the upper end of the first branch 30B is provided directly above the seedling box supply port 30A ′ in the main stream, and further,
The seedling box supply port 30C 'at the upper end of the second tributary part 30C is the first one.
It is provided just above the seedling box supply port 30B 'of the tributary part 30B. Between the rails 30b, 30b of the main branch 30A and the rails 30b, 30b of the first branch 30B, and further between the rails 30b, 30b of the first branch 30B and the second branch.
The side plates 30c, 30c,..., 30d, 30d are fixed between the tributaries 30C and the rails 30b, 30b, and the upper sides of the rails 30b, 30b. The rails 30e in the horizontal direction are fixed to each other for two lines, and the main stream portion 30A, the first branch portion 30B, and the second branch portion 30C are assembled in the above arrangement. Rail sections 30b, 30 of main stream section 30A and first branch section 30B
b ... the main part 30A and the second branch part 30C
Of the two rails 30b, 30b,... Are connected continuously so that the grooves of the rails 30b, 30b. See FIG. 6). In the vicinity of the junction, the upper side (first branch 3
0B, the lower end of the gutter 30a of the second tributary 30C)
Merging position (main and side rails 30b, 30b
Are not extended to the lower side (the mainstream portion 30).
A) of the seedling box feeding guides 30 '... Is slightly higher (about the height of the seedlings extending upward from the upper surface of the seedling box C). As a result, the seedling boxes C, which are moved by the seedling box feed guides 30 'on the lower side (mainstream part 30A), are joined to the junctions AB and A.
-C, the upper side (the first branch 30B, the second
The seedlings can pass smoothly without being bent at the lower ends of the gutters 30a of the tributaries 30C).

As another embodiment, a seedling box supply device 40 as shown in FIG. 10 can be constructed. In this example,
The main branch 40A of the seedling box feed guide 40 'is provided at the top, the first branch 40B is positioned below the main branch 40A, and the second branch 40C is further provided with the first branch 4C.
0B is provided at the lower stage. The seedling box supply port 40B 'at the upper end of the first branch section 40B is provided below the seedling box supply port 40A' of the main branch section, and the seedling box supply port at the upper end section of the second branch section 40C is further provided. 40C 'is the first branch 4
0B is provided below the seedling box supply port 40B '. The rails 40b, 40b of the first branch 40B merge with the rails 40b, 40b of the main branch 40A from the front side, and the rail 4 of the second branch 40C, contrary to the previous example.
0b and 40b are also rail portions 40b and 40b of the mainstream portion 40A.
Are joined from the front side. In this case, the gutter part 40a on the tributary part side is continuously connected to the gutter part 40a on the main flow part side, and the gutter part 40a on the main flow part side is connected to the confluence part A-.
In B and AC, openings are provided so as not to hinder the movement of the seedling box from the branch portion side.

The main stream 30A, the first branch 30B,
The second branch 30C is connected to the seedling box supply ports 30A ', 30A.
Since the seedling boxes C move downward from the sides B ′ and 30C ′ to the vicinity of the seedling pushing position P by the seedling extracting device 31, the movement of the seedling boxes C... On the other hand, near the seedling pushing position P by the seedling extracting device 31, a seedling box feeding device 30f is provided for each strip.
In the seedling box feeding device 30f, seedling box feeding gears 30f ', 30f' are attached to the left and right of a seedling box feeding guide 30 ', and the teeth of the gears 30f', 30f '
b, 30b enter the groove from the opening provided on the back side, and bite into the seedling box feeding square holes C5, C5 provided at the end edges C4, C4 of the seedling box C in the groove, Pot C
1 ... After the seedling extracting device 31 has extruded the seedlings of one horizontal row, the next pot C1... Is rotated so as to feed the horizontal single row to the pushing position of the seedling extracting device 31. Seedling box feed gear 30
For the rotation operation of f 'and 30f', seedling box feeding operation arms 30f "and 30f" are provided on the rotation axis of the gear, and the operation arms are provided.
A ratchet is interposed between the gear and the gear so that the gear is driven and rotated only in the seedling box feed direction even if the operating arm is rotated forward or backward. Operating arm 30f ",
In the rotation operation of 30f ", the seedling feed drive shaft 16e protruding from the planting transmission case 16 rotates, and the tip of the seedling box feed drive arm 16f integrally attached to the drive shaft 16e. Is rotated after the seedling removal device 31 pushes out the seedlings and hits the operating arms 30f "and 30f". The driving arm turns the operating arm and separates. The arm is pivoted in the opposite direction by a spring provided separately and returns to a predetermined position, so that the seedling box C loaded in the seedling box supply device 30 is provided.
First, the seedling box C ', which is directly subjected to the feeding action of the seedling box feeding device 30f, is forcibly sent toward the seedling box discharge port 30A "at a predetermined pitch. The seedling boxes C on the far side in the feeding direction from C ′ slide down by their own weight following the seedling boxes C ′ subjected to the forced feeding action, and the seedling boxes on the lower side in the feeding direction of the seedling box C ′ subjected to the forced feeding action are: The seedlings are pushed by the seedling box C 'which is subjected to the forcible feeding action, and are sent out from the seedling box discharge port 30A ". still,
Since the bent portions formed in the main flow portion 30A, the first branch portion 30B, and the second branch portion 30C, and the bent portions at the merging portions AB and AC are set to have appropriate curvatures, these are set to be appropriate. The seedling box C is prevented from slipping down by its own weight due to frictional resistance received when passing.

By the way, at the start of planting, two seedlings are placed in the mainstream section 30A in the seedling box supply device 30 at the start of planting.
It is provided such that one seedling box can be loaded into the tributary part 30B and two seedling boxes can be loaded into the second tributary part 30C. At this time, the first branch 30 on the upper side of the junctions AB and AC
B, seedling box stopper 30g provided in the second tributary part 30C,
30h is in the seedling box locked state, and the first branch 30
B, the seedling box C loaded in the second branch 30C is the main stream 3
It does not merge with 0A (FIG. 7). The seedling box stoppers 30g and 30h are claw-shaped members, and the gutter portions 30a and
When the tip of the claw of the stopper enters through the opening provided on the back side of the gutter portions 30a, 30a, the lower end of the seedling box catches on the stopper and moves downward below the stopper. Are prevented from moving, and the seedling box C is locked. In addition, stopper 30g, 30
h, a seedling box detection switch SW1 provided on the lower side of the seedling box feeding direction from the junction A-C and on the upper side of the seedling pushing position P.
And a seedling box detection switch SW2 provided in the first branch 30B.
The solenoids SOL1 and SOL2 are connected to each other, and the seedling box stoppers 30g and 30h are switched between a seedling box locking action state and a non-action state. When the seedling box detection switch SW1 detects the seedling box and is turned on, the solenoid SOL1 is excited and the first branch portion 30B is turned on.
The seedling box stopper 30g provided in the above-mentioned state is in the state of locking the seedling box, and conversely, when the switch SW1 is turned off, the seedling box stopper -3 is set.
0 g is in a state where the seedling box is not locked. When the seedling box detection switch SW1 detects the seedling box and turns on, the solenoid S
OL2 is excited, and the seedling box stopper 30h provided in the second branch portion 30C is brought into a seedling box locking action state. When both the seedling box detection switches SW1 and SW2 are turned off, the seedling box stopper 30h is in a state where the seedling box is not locked.

Therefore, in the state shown in FIG. 7, since both the seedling box detection switches SW1 and SW2 detect the seedling box, both the seedling box stoppers 30g and 30h are in the seedling box locking action state. Next, from the state of FIG.
When the seedling boxes C, C are sent and the seedling box C disappears on the seedling box detection switch SW1 and the seedling box is turned off, the seedling box stopper 30g provided in the first tributary portion 30B is in a non-operating state. The seedling box C loaded in the first branch 30B joins the main stream 30A (FIG. 8). Then, the seedling box C of the mainstream portion 30A is further sent from the state of FIG.
When the seedling box C disappears from the seedling box detection switch SW1 and is turned off, the switch SW2 is also turned off at this time.
The seedling box stopper 30h provided in the tributary part 30C is switched to the seedling box locking non-operation state, and the seedling boxes C, C loaded in the second tributary part 30C join the main flow part 30A (FIG. 8).
When the joined seedling box C moves onto the seedling box detection switch SW1 and is turned on again, the stopper 30g, 3g,
0h tries to switch to the seedling box locking action state, but since the stopper is provided to operate to the seedling box locking action side via a spring, the movement of the seedling box C may stop halfway. There is no. As described above, the five seedling boxes C loaded in each of the main branch 30A, the first branch 30B, and the second branch 30C are sequentially and continuously sent without interruption. At the start of planting, when the seedling boxes are replenished from the state in which the seedling boxes are not loaded to the state shown in FIG. 7, first, the seedling boxes C are loaded from the mainstream section 30A, and the seedling box detection switch S
It is necessary to turn on W1 and switch both the stoppers 30g and 30h to the seedling box locking state.

The empty seedling boxes C from which the seedlings discharged from the seedling box discharge port 30A "at the rear end of the seedling box feeding guide 30 'are taken out are filled with box-shaped empty box storage portions 36. The two right and left lines are integrally provided so as to correspond to the respective seedling box discharge openings 30A ". The lower rear end of the empty box housing 36 has a planting transmission cable.
A state in which the supporting parts 16g, 16g at the rear end of the screw 16 are pivotally attached to the front and rear so as to be freely rotatable back and forth, and are further urged by springs 16h, 16h to an empty box receiving posture standing up over the dead center;
The state can be switched to a state of being biased to the empty box taking-out posture tilted backward. Further, rail portions 30b, 30b are provided at the seedling box discharge port 30A "at the rear end of the seedling box feeding guide 30 '.
Box push-out arm 30i projecting upward from the arm is rotatably pivoted in the front-rear direction, and is armed by a spring 30j.
The arm 30i is urged to rotate backward. As a result, when the seedling box C is sent upward from the seedling box discharge port 30A ", the arm 30i is rotated forward by the seedling box C against the bias of the spring 30j. The seedling box C is brought into contact with the upper surface of the seedling box C. When one seedling box C is sent out and disengaged from the rail portions 30b, 30b, the tip of the arm 30i is springed. The seedling box C is rotated backward by the urging force of 30j, and is pushed backward so that the lower end side of the seedling box C is pushed backward and dropped into the seedling box housing section 36.
Is sent upward from the seedling box discharge port 30A "so as not to bend greatly in the longitudinal direction, and as soon as one sheet is sent out, the lower end of the seedling box is pushed out to the seedling box housing part 36 side and dropped. Therefore, the seedling box C is securely housed in the seedling box housing section 36. To take out the housed seedling boxes C ..., the seedling box housing section 36 is tilted backward and the empty box is taken out. Cheap.

The seedling removal device 31 is provided with the seedling box supply device 3.
The pot C1 at the seedling pushing position P is taken out from the seedling box which is loaded into the seedling pushing position P and is sequentially sent to the seedling pushing position P. This seedling removal device 31
Is a horizontal pot C from the planting transmission case 16 to the seedling box C.
1 and the seedling push-out pins 31a that match the pitch
Are provided, and the seedling pushing pins 31a... Penetrate through the pushing holes 30a ′ provided in the gutter portions 30a... Of the seedling pushing positions P of the respective seedling feeding guides 30 ′. The protruding pins 31a further penetrate the row of pots C1... Of the seedling box C located there through the seedling pushing holes C6... Of the bottom portion C3. Acts to extrude. The projecting and retreating operations of the seedling pushing pins 31a are carried out after the feeding operation of the seedling box feeding devices 30f is finished and are pushed out by the previous seedling pushing operation and placed on the seedling conveying devices 32 ... Immediately after all the seedlings in one row have been conveyed to the seedling picking position S of the seedling planting device 33, the pins 31a project and the seedling pushing operation is started. When the seedling pushing action is completed, the pins 31a ... Gutter 3 of feed guide 30 '...
0a... Are retracted.

The seedling transfer device 32 is provided with the seedling removal device 31.
This is a device that receives one row of seedlings extruded by the seedling pushing-out operation and transports it to the seedling picking position S of the seedling planting device 33. The seedling transporting device 32 is tilted so that the front side is lowered, and four seedling transporting rollers 32a per row supported on the front and rear of the planting transmission case 16 support the seedling transporting belt 32b.
Are wound around, and the seedling transport rollers 32a near the seedling picking position S on the lower left and right center are connected to a seedling transport drive shaft protruding from the planting transmission case 16 to form a seedling transport belt 32b. …
Is operated so that the upper surface side moves in the direction of the seedling picking position S located at the center of each strip left and right. The rotation of the seedling conveying belts 32b is performed by the seedling planting devices 33.
Are rotated so that the seedlings placed on the upper surface side of the seedling transfer belts 32b are transferred to the seedling collecting position S one by one at the timing of picking the seedlings one by one from the seedling collecting position S. Also, on the outer peripheral surface of the belts 32b are provided ridges 32b 'extending in the direction of the rotation axis, and the seedlings pushed out by the seedling extracting device 31 are formed with the ridges 32b'.
It is placed on the belts 32b so as to be sandwiched between them. The belts 32b of each strip move to the left and right center sides and then move downward toward the seedling collecting position S. At this time, the transport guide plate 32c is opposed to the belt surface moving downward so that the seedlings placed on the belt 32b are not thrown away.
... is provided for each article. In addition, the seedling feeding guides 30 'of each strip pass through a space penetrating in the front-rear direction inside the belt of the seedling transporting devices 32 of each strip.

The seedling planting device 33 is provided with the seedling conveying device 32.
Is a device for picking up seedlings conveyed to the seedling collecting position S one by one and planting them in a field. This seedling planting device 33
The two seedling inoculation tools 33b and 33 are attached to a rotating case 33a which is attached to the rear part of the planting transmission case 16 and rotates.
b, and the two seedling attachments 33b, 33b
The tip of the seedling collecting portions 33b ', 33b' of FIG. 3 passes through the seedling collecting position S, reaches a field scene, and returns to the seedling collecting position S so as to draw a vertical elliptical locus. The seedlings conveyed to the seedling collecting position S by the seedling conveying devices 32 are received by a seedling receiving device having an inverted U-shaped elastic member, and the seedling collecting portions 33b 'of the seedling attaching devices 33b. ... enter from above, pick up the seedlings, and move downward.

Therefore, as described above, the seedling box supply device is provided with the seedling box feed guide including the main stream portion and the branch portion branching off from the main stream portion, and the seedling box loaded in the tributary portion is provided. Since the tributary portion is connected to the mainstream portion so as to be continuously sent to the mainstream portion, a plurality of seedling boxes can be loaded into the seedling box supply device at a time, and the loaded plurality of seedling boxes are continuously arranged. The number of seedling box supply operations for adding seedlings to the seedling box supply device is reduced, the number of interruptions of seedling planting operations due to seedling supply operations is reduced, and planting operation efficiency is improved.

[0022]

According to the present invention, the seedling box supply device is provided with a seedling box feed guide having a main stream portion and a branch portion branching off from the main stream portion, and the seedling box loaded in the tributary portion is connected to the main stream portion. Since the tributary part is connected to the main flow part so as to be continuously sent to the seedling box feeding apparatus, a plurality of seedling boxes can be loaded at one time,
In addition, since the plurality of loaded seedling boxes are continuously sent, the number of seedling box supply operations for adding seedlings to the seedling box supply device is reduced, and the number of interruptions of seedling planting work due to the seedling supply operation is reduced. The efficiency of planting work is improved.

[Brief description of the drawings]

FIG. 1 is a side view of a seedling transplanter.

FIG. 2 is a side view of a planting section of the seedling transplanter.

FIG. 3 is a plan view of a planting section of the seedling transplanter.

FIG. 4 is a partially broken perspective view showing a part of the seedling supply device.

FIG. 5 is a left-right sectional view of a seedling feed guide.

FIG. 6 is a side cross-sectional view of a junction of a main stream portion and a tributary portion of the seedling feeding guide. (A) shows a state in which the seedling box in the main stream passes through the junction. (B) shows a state in which the seedling box of the tributary passes through the junction.

FIG. 7 is a partial side view showing a seedling box loaded state of the seedling supply device at the start of planting.

FIG. 8 is a partial side view showing a state where a seedling box of a first branch of the seedling supply device is being fed.

FIG. 9 is a partial side view showing a state where a seedling box in a second branch of the seedling supply device is being fed.

FIG. 10 is a side view of a planting section provided with a seedling box supply device having another configuration.

11A and 11B are diagrams showing a seedling box, wherein FIG. 11A is a perspective view, FIG. 11B is a partial cross-sectional side view, and FIG. 11C is a partial plan view.

[Explanation of symbols]

 C: Seedling box 30: Seedling box supply device 31: Seedling removal device 33: Seedling planting device 30A: Main stream portion 30B: First branch portion 30C: Second branch portion 30 ': Seedling box feed guide

Claims (1)

(57) [Claims] 1. A seedling removal device for removing seedlings from a flexible seedling box, a seedling planting device for planting the seedlings removed by the seedling removal device, and a seedling box for sending the seedling box to the seedling removal device In a seedling transplanter provided with a supply device, the seedling box supply device is provided with a seedling box feed guide including a main stream portion and a branch portion branched from the main stream portion, and the seedling box loaded in the tributary portion is provided. A seedling box supply device for a seedling transplanter, wherein the tributary portion is connected to the mainstream portion such that the water is continuously sent to the mainstream portion.