JPH08275625A - Seedling transplanter - Google Patents

Abstract

PURPOSE: To bring a seedling transplanter compact without horizontally protruding the supporting structure of a seedling case-feeding unit while keeping the supporting strength of a seedling case-transferring device in the seedling transplanter installed with the seedling case-transferring device having the seedling case-feeding unit, a seedling case-discharging unit set below the seedling case- feeding unit which declines backward and a U-shaped seedling case-transferring unit connecting the seedling case-feeding unit with the seedling case-discharging unit and a seedling planting device below the seedling case-transferring unit. CONSTITUTION: This seedling transplanter is constituted by installing a planting transmission case 42 having a built-in transmission shaft which drives seedling planting devices in each lane, fixing a portal frame 100 unitedly mounted on the planting transmission case 42, making a space A in the center of a frame made up with the frame 100 and the planting transmission case 42, passing a seedling case-transporting path of a seedling case-transferring device through the space and fixing a supporting flame 30e for supporting a seedling case- feeding unit 30a to the portal frame 100.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling transplanter for taking out seedlings from each pot of a seedling box in which a large number of pots for storing one seedling are arranged in a matrix and planting them in a field.

[0002]

2. Description of the Related Art Japanese Unexamined Patent Publication (Kokai) No. 6-327321 discloses a seedling box feeding section, a seedling box discharging section provided below the seedling box feeding section inclined rearward, a seedling box feeding section and the seedlings. Disclosed is a seedling transplanter having a U-shaped seedling box transporting unit that links a box discharging unit, and a seedling planting device below the seedling box transporting unit. . In this publication, the seedling box supply section is supported by a support frame protruding laterally from the seedling box supply section and fixed to a planting transmission case.

[0003]

[Problems to be solved by the present invention]
Since the seedling box feeding unit is provided with the seedling box feeding unit and the seedling box discharging unit provided on the lower side of the seedling box feeding unit inclined rearward and downward, the supporting structure of the seedling box feeding unit is The seedling box supply part may protrude laterally or the number of parts may become complicated.

[0004]

The present invention has taken the following technical means in order to solve the above problems. That is, the seedling box supply unit 30a and the seedling box supply unit 30 that is inclined rearward and downward
A seedling box carrying device 30 provided with a seedling box discharging section 30c provided on the lower side of a and a U-shaped seedling box carrying section 30b that links the seedling box feeding section 30a and the seedling box discharging section 30c. In the seedling transplanter equipped with a seedling planting device below the seedling box carrying section 30b, a transmission shaft 42a for driving the seedling planting device of each row.
Is provided with a planted transmission case 42, and the planted transmission case 42 is provided.
A gate-shaped frame 100 integrally provided on the upper side of the frame 42 is fixed, and a space portion A is formed at the center of the frame composed of the frame 100 and the planted transmission case 42. The nursery box carrier 30 is configured to penetrate the nursery box carrier 30 into the space A, and the gate-shaped frame 100 is provided with the nursery box feeder 3.
A support frame 30e for supporting 0a was fixed to the seedling transplanter.

[0005]

As described above, the frame 1
00 and the planting transmission case 42, a space portion A is formed at the center of the frame, and the space portion A penetrates the seedling box transport path of the seedling box transport device 30. Since one support frame 30e for supporting the seedling box supply unit 30a is fixed to the gate-shaped frame 100, the seedling box transporting device 30 is provided.
The supporting structure of the seedling box supply section can be made compact without laterally protruding while maintaining the supporting strength of 1., and the seedling planting section can be made lightweight because the number of parts is reduced.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows a riding type rice transplanter 1, in which a 6-row seedling planting section 4 is mounted on the rear side of a traveling vehicle body 2. Further, a fertilizer application device 5 for spraying granular fertilizer is provided on the rear part of the traveling vehicle body 2.
Is arranged.

The traveling vehicle body 2 is equipped with a pair of left and right front wheels 6 and rear wheels 7, and drives the front and rear wheels 6, 7 to travel. A pilot seat 13 is provided at substantially the center, and a steering handle 12 is provided on the front side of the pilot seat 13. The seedling planting section 4 is attached to the rear part of the traveling vehicle body 2 via a link mechanism 3 and is vertically movable by expanding and contracting a hydraulic lifting cylinder 17. Further, the seedling planting section 4 is configured to operate by transmitting power from the traveling vehicle body side.

The seedling planting section 4 for 6-row planting is equipped with a seedling box carrying device 3.
0, the 1st seedling extraction device 31, the 1st seedling conveyance device 32, the 2nd seedling extraction device 33, the lateral transfer device 34, and the seedling planting device 35 are provided. A plurality of seedling boxes are filled in each two-row seedling box carrying device 30, and the first seedling taking-out device is taken from the horizontal row of pots of the seedling boxes carried to the first seedling taking-out position by the seedling box carrying device 30. Three
1 causes the seedlings to be pushed out all at once. The extruded seedlings are held by the seedling holders 32a of the first seedling conveying device 32 and conveyed in an arc-shaped trajectory, and are dropped onto the transverse feeding device by the second seedling extracting device 33. The removed seedlings are fed laterally by device 3
It is configured to be laterally fed to the seedling planting devices 35 at the left and right ends separately by 4 and divided into left and right halves, and the seedlings are planted in the field by the seedling planting device 35 one by one. In addition, the floats 36 and 37 are provided below the seedling planting section 4 so as to slide while arranging the field scene.

By the way, the seedling box C used in the riding type rice transplanter 1 is a flexible plastic seedling box,
The shape is as shown in FIGS. That is, the small pots C '... are lined up at right and left and front at predetermined intervals, the openings C'a ... Are connected to each other, and the bottom C'b ... Further, right and left edge portions Ca and Ca along the longitudinal direction of the seedling box C are provided with square holes Cb ... For feeding the seedling box in accordance with the longitudinal intervals of the pots C ′. The bottom C'b of each pot C '... is provided with a cut C'c into which the seedling pushing pin 31a can enter from the bottom side. Cc is a wide space | interval part provided toward the longitudinal direction in the left-right (short direction) center. Raising seedlings is in each pot C '...
It is filled with bed soil, sown, covered with soil and raised. The seedling boxes C thus grown one by one for each pot C '... are loaded into the seedling box supply units 30a, 30a of the seedling planting unit 4 together with the seedling boxes, and the first seedling take-out device 31 described later from the bottom side. The seedlings are extruded by the seedling push-out pins 31a, and the seedlings are taken out.

The seedling box transporting device 30 is provided for every two rows and has two upper and lower seedling box feeding portions 30a inclined rearward and downward.
30a (seedling supply section) and its two-stage seedling box supply section 30a,
A seedling box transport unit 30b (main supply unit) that joins and transports the seedling box transport path from 30a and further transports the seedling box to the upper front side, and subsequently below the seedling box supply unit 30a (seedlet supply unit). And a seedling box carrying section 30c for carrying an empty box. In addition, an empty box housing frame 30d is provided at the exit of the seedling box transporting section 30c, in which a plurality of empty boxes discharged therefrom can be stacked. The seedling box transfer section 30b (main supply section) has left and right transmission cases 101 and 102 supported on the upper side thereof by a planted transmission case 42 having a transmission shaft 42a for transmitting power to each row. Both transmission cases 10
The frame 10 is supported and fixed by a gate-shaped frame 100 composed of a frame 103 that connects the first and second frames 102 and 102.
The seedling box supply section 30a, the empty box transport section 30c, and the empty box storage frame 3 are fixed to the upper side of the seedling box supply section support frame 30e.
We support 0d. It should be noted that the upper and lower two-stage seedling box supply section 30a
Are fixed by loop-shaped pipes 70, 70 fixed to the seedling box supply section supporting frame 30e. The seedling box passes through an inner space A formed by the planting transmission case 42 and the gate-shaped frame 100.

In the seedling box carrying section 30b of the seedling box carrying device 30, there is provided a seedling box vertical feeding device 40 for intermittently carrying the seedling boxes one row at a time while locking the seedling box at the first seedling take-out position. It is provided. The seedling box vertical feeding device 40 has feed claws 40a and 40a that reciprocate along a seedling box conveying path so as to act on the square hole Cb for feeding the seedling box at the edge of the seedling box, and interlock with it. It is provided with locking claws 40b, 40b that come off. The operation of the seedling box vertical feed device 40 is configured so as to operate in conjunction with the seedling box vertical feed drive shaft 40c projecting to the left side of each of the two sub-transplantation transmission cases 16.

The first seedling take-out device 31 uses the seedling push-out pin 31a which slides the seedlings in the pot at the first seedling take-out position from the seedling box conveyed by the seedling box conveying device 30 to remove the seedling box. It is configured to push out one horizontal row at a time. The first seedling take-out device 31 is interlockingly connected to a seedling take-out and transport drive shaft 31b projecting to the left side of each sub-plantation transmission case 16. That is, the drive arm 31c, which rotates integrally with the drive shaft 31b, is moved to the left by the telescopic rod 31d.
It is provided so as to be connected to an operating arm 31g attached to the extrusion operating shaft 31f of the extrusion operating portion 101a built in the space 101 so as to rotate integrally therewith, and to rotate integrally with the extrusion operating shaft 31f within the extrusion operating portion 101a. The fan-shaped pinion gear is engaged with the rack of the pushing shaft 31i provided integrally with the seedling pushing pin 31a. The right transmission case 102 also has a push-out operating portion 102a built therein, which is operated by rotation of a push-out operating shaft 31f built in the frame 103. Therefore, the push shaft 31i is slid by the rotational drive of the drive shaft 31b. Further, the seedling pushing pins 31a are provided at the same number and at the same pitch with respect to the lateral pots of the seedling box, and the pushing pin guides 31j are provided.
31k and the cut C'c at the bottom of the pot for one lateral row of the seedling box are operated, and the lateral one row of seedlings is pushed out. In addition, after the seedlings are pushed out, the push-out pin 31a is pulled back before the seedling box vertical feeding device 40 is operated.

The first seedling transport device 32 is a seedling holder-3 for the horizontal row of seedlings extruded by the first seedling take-out device 31.
2a is a device which receives at the seedling receiving position P3 and conveys it to the seedling taking positions P1 and P2 of the second seedling taking device 33. In this first seedling transfer device 32, a drive arm 32c that integrally rotates with the drive shaft 31b for extracting and transferring the seedlings that protrudes to the right side of each sub-transplantation transmission case 16 has a right and left sides through a telescopic rod 32e. Seedling holder-operating part 10 built in the transmission case 102
Swing shaft 32 that transmits power to 2b and integrally rotates with swing arms 32d provided on both left and right outer sides of transmission cases 101 and 102 from seedling holder-actuating portion 102b.
Link with h. The tip of this swing arm 32d is a support plate 3 fixed to the left and right side ends of the seedling holder 32a.
Swing arm 32d / 3 pivotally attached to 2f / 32f and swinging around the swing shafts 32h / 32h as pivot shafts.
2d and the supporting plate 32f constitute a parallel link. Therefore, when the drive arm 32c is driven and rotated, the seedling holder-32a moves to the seedling receiving position P3 and the seedling extracting positions P1 to P.
It reciprocates in a trajectory that draws an arc between the two. Also,
The seedling holder-32a moves slightly backward while moving away from the seedling box C between the position P3 and the position P4, and moves forward and downward between the position P4 and the seedling take-out positions P1 and P2. It has become a locus to do. When the swing arm 32d moves upward by the driving rotation of the drive arm 32c and the seedling holder 32a reaches the seedling pushing position P3, the swing arm 32d hits the stopper body 32g and stops. The drive arm 32c still rotates and swings.
However, the telescopic rod 32e extends (the spring case 32 of the telescopic rod 32e is extended).
The spring 32e ″ in e ′ contracts)
The frame 32d remains stopped by the stopper body 32g. Therefore, while the swing arm 32d is in a stopped state by hitting the stopper body 32g, the seedling holder 32a is located at the seedling receiving position P3 and receives the seedlings pushed out by the first seedling extracting device 31.

In this first seedling transporting device 32, the seedling holder-32a is stopped at the seedling receiving position P3 before the projecting operation (seedling pushing operation) of the seedling pushing pin 31a of the first seedling removing device is started. When the operation of retracting the seedling pushing pin 31a is completed, it starts moving downward. Then, the seedlings carried by the first seedling carrying device 32 are the second seedling taking-out device 3 when the lateral feeding device 34 has just carried the last received seedlings to the left and right seedling taking positions.
3 operates to be delivered onto the traverse device. After that, the seedling holder-32a moves up again and the seedling receiving position P
Return to 3. The drive arm 32c is fixed to the drive arm mounting boss 32c ', which is fitted to the end of the drive shaft 31b having a square shape, by bolting at two places. Since the attachment hole 32c-1 is a long hole, the operation timing of the first seedling carrier 32 can be finely adjusted by adjusting the attachment position of the drive arm 32c. Incidentally, the concave seedling hoop of the seedling holder-32a for receiving the seedlings pushed out by the first seedling pick-up device 31, respectively.
The field portion 32i is formed in accordance with the lateral position of the pot C '... of the seedling box C transported by the seedling box transporting device 30.

The second seedling take-out device 33 is the first seedling carrier device 3.
When 2 moves to the seedling extracting positions P1 and P2, the seedlings held in each seedling holder 32a of the seedling holder-32a are extracted by the seedling extracting tool 33a and the seedling feeding belt 34a It is a device for dropping on 34a. The seedling extracting tool 33a is formed in a comb shape, and the seedling extracting positions P1 to
It is provided so that the seedlings held in the seedling holders 32i of the seedling holders 32a that have moved to P2 are received and only the seedling holders 32a are passed and the seedlings are extracted. The seedling extractor 33a is provided so as to move up and down by a cam disk 33b mounted so as to rotate integrally with the drive shaft 31b of the first seedling extracting device 31 projecting to the left side of the planting transmission case 16. ing. That is, the seedling extractor 33a
The base is integrally attached to the rotating arm 33c through a connecting member, and the rotating arm is rotatably attached to the rotating shaft 33d. A pin 33e is fixed to the rotating arm 33c, and a spring 33f for urging the pin 33e so as to contact the cam surface of the cam disk 33b is rotated.
Attach to As a result, the seedling extractor 33a is moved downward by the cam mechanism as soon as the seedlings are extracted from the seedling holder-32a, and the seedling feeding belts 34a, 34 of the lateral feeding device 33 are moved.
It operates so as to forcefully drop it on a. In addition, seedling extractor 3
As shown in FIGS. 8 and 9, 3a has a straight shape in a side view, so that the position of the seedlings on the seedling feeding belt of the lateral feeding device 34 even if the seedling removing tool 33a moves up and down during seedling removal. Prevents slippage, aligns the seedlings, and prevents the seed soil from collapsing.

The lateral feeding device 34 feeds the horizontal row of seedlings removed by the second seedling removing device 33 to the seedling feeding belt 34a.
34a receiving left and right half left and right half seedling planting device 35.
It is a device for transporting to 35 seedling picking positions S.S. The lateral feeding device 34 is driven by driving shafts 34b, 34b which project to the rear side of the left and right transmission frame 40 and rotate in opposite directions.
A drive roller and a driven roller 33d that is rotatably supported on the left and right sides of the drive roller.
Wrap the seedling feeding belts 34a and 34a around 33d,
The upper surfaces of the left and right seedling feeding belts 32a, 32a are operated so as to move to the outside on both the left and right sides.
In addition, a plurality of protrusions 34a 'arranged along the rotation axis direction are provided on the outer peripheral surface of the seedling feeding belt 32a, and the second seedling extracting device 3 in a state where the seedlings are sandwiched between the left and right sides of the protrusions 32a'.
It is pulled out by 3 and conveyed. Seedling feeding belt 34a
The rotation operation of 34a conveys the seedlings to the seedling picking position at the timing when the seedling planting devices 35 and 35 pick up the seedlings one by one from the seedling picking position S. A member 34e having a mountain-shaped cross section is provided between the left and right seedling feeding belts to cover the gap.

The seedling planting device 35 is a device for picking up the seedlings transferred to the seedling picking position S by the lateral feeding device 34 one by one and planting them in the field. This seedling planting device 35 includes a planted transmission frame 43.4 extending rearward from the left and right transmission frames 42.
3 equipped with a cam body fixed to the rear left and right sides and fixed to the inside so as not to rotate, and two casing seedling rods 35c on a rotating case 35b whose case side rotates integrally with the planting drive shaft 35a. 35
It has a configuration including c. Two rods 35c with seedlings
The tip of 35c draws a closed loop locus T and moves to alternately plant seedlings in the field. The seedlings on the seedling feeding belt of the lateral feeding device 34 are dropped into the seedling receiving portions 35d, 35d provided at the seedling picking position S at the end of the belt. Seedling receiving part 35d / 3
5d is a plate-shaped planting guide 35e, 35e arranged on the left and right.
It is formed on the upper part of the plant, and the guide plate spacing of the planting guide is widened to the left and right to receive the seedlings. The seedlings received by the seedling receiving portions 35d, 35d are received by the tip portions of the seedling planting rods 35b, 35b moving from above and move between the planting guides 35e, 35e. The width between the left and right sides of the planting guides 35e, 35e is slightly narrower than the width of the floor of the seedling. And the seedling planting rod 35c is the planting guide 3
Even if it leaves between 5e and 35e, the tip of the rod 35c with seedlings is transferred to the mud in the field while keeping the floor. When the seedlings stand upright in the mud, the seedling planting rods 35c move upward with their tip loci slightly recessed upward (this prevents the seedling planting rods 35c and 35c from tilting the seedlings rearward). Planted in the field), seedlings are planted in the field.

The transmission mechanism of the planting section 4 will be described below with reference to FIG. Mission case 9 of running vehicle 2
Power is input to the input shaft 42 'provided at the input part of the planted transmission case 42 from the transmission shaft 9c or the like. It is transmitted from the input shaft 42 'to the planted transmission shaft 42a via the bevel gears 42'a and 42a', and the sub-planted transmission case 1 for each two rows is provided.
6 and the planted transmission frame 43, and is transmitted to the transmission mechanism in the frame. In the sub-transplantation transmission case, the planting transmission shaft 42a is transmitted to the gear 42b, the gear 44a on the counter shaft 44, the gear 45a, and the drive shaft 31b for seedling extraction and transportation via the clutch 45b. To do. A seedling box feed cam 45c is attached to the drive shaft 31b so as to rotate integrally, and a roller 46a of an arm 46 assembled to rotate integrally with the vertical feed drive shaft 40c is brought into contact with the cam. The vertical feed drive shaft 40c is rotated. In addition, the drive shaft 3 of the traverse device 34 from the planted transmission shaft 42a through the bevel gears 42c and 48.
It is transmitted to 4b and 34b. Further, the planting transmission shaft 43 is transmitted to the planting drive shaft 35a through the sprocket 42d, the chain 42e, and the sprocket on the planting device side to drive the planting device 35. 45b ′ is the clutch 45
It is a clutch operation pin for turning on and off b.

As described above, the gate-shaped frame 100 integrally provided on the upper side of the planted transmission case 42 is fixed, and the frame 100 and the planted transmission case 42 are constituted. A space A is formed in the center of the frame, and the space A is penetrated through the seedling box conveying path of the seedling box conveying device 30. The gate-shaped frame 100 is provided with the seedling box supply unit 30a. Since one supporting frame 30e for supporting is fixed,
While maintaining the support strength of the seedling box transporting device 30, the support structure of the seedling box supply section can be made compact without protruding laterally, and the number of parts is reduced, so that the seedling planting section is lightened. Therefore, the weight balance of the machine is stable.

The structure of the seedling supply section will be described below. 2 each
The seedling box supply units 30a and 30a provided for each row are provided with two slides in a state in which a slide-like platform is provided in a vertically downward two-tiered manner, and a nursery box on each platform is oriented with its longitudinal direction forward and backward. One by one, it is configured to be placed in series from the front end portion. A seedling box supply operation motor 50 is provided in the upper and lower two-stage seedling box supply sections 30a, 30a.

The seedling box feeding operation motor 50 is provided with a conveyor roller 50a on the drive shaft, is provided above the conveyor roller 50a and the conveyor roller 50a, and the conveyor roller 50a is provided by a spring force. The seedling box is conveyed by sandwiching the seedling box end edge portions Ca and Ca by the pressing roller 50b which urges in the direction. By the controller 50c attached to the seedling box feeding section support frame 30e, the feeding roller 50a is driven as the number of seedling boxes in the seedling box feeding section 30b (main feeding section) decreases, and the seedling box feeding section is driven. 30a / 3
This is a configuration for controlling the supply of seedling boxes of 0a.

By the way, the upper and lower two-stage seedling box supply section 30a
A seedling box detection switch 60 for detecting the presence or absence of a seedling box is provided on the lower side before the confluence portion 51 of 30a. It is provided so that it can detect all but the opposite ends (in the hand direction). It is necessary to reduce the transport resistance of the seedling box on the lower side where the seedling box does not easily flow, but if the switch 60 is provided so as to detect the lateral (short side) end of the seedling box,
It is necessary to narrow the guide width H that guides the seedling box edge portions Ca and Ca so as to reliably detect the seedling box (press the seedling box edge portions Ca and Ca from the upper side), and the cover relatively rapidly. This is an inconvenience because it increases the transport resistance of the seedling box in the seedling box transport path. Therefore, as described above, the guide width H can be widened by providing the seedling box detection switch 60 so as to detect other than both ends of the seedling box in the lateral direction (transverse direction). Can be made smaller and the seedling box can be reliably detected). Incidentally, 61 is the sensing switch 60.
It is a seedling box retainer that presses the seedling box from above in order to gain a reliable sense of. This seedling box retainer 61 only acts on one place of the seedling box transport path, and compared to narrowing the guide width H, the transport resistance of the seedling box can be kept small.

On the lower side before the confluence point 51, freely rotating rollers 65, 65 acting on the bottom of the seedling box are provided, and the bottom surface of the seedling box is floated to relatively rapidly cover the seedlings. In addition to reducing the transport resistance of the seedling box transport path,
As shown in FIG. 12, the guide portion 66 at the edge of the nursery box for transporting the nursery box to the nursery box transport section 30b (main supply section) is smoothed.
It also has the effect of guiding you to the station.

Although this embodiment has described the rice transplanter in detail, it can also be used in other seedling transplanters such as vegetable transplanters. In addition, this embodiment relates to a seedling transplanter for 6-row planting, but the present invention is not limited to 6-row planting.

[Brief description of drawings]

[Figure 1] Side view of the riding type seedling planter

[Figure 2] Plan view of seedling box

[Fig. 3] (a) Side view of the same as above. (B) Front view of the same as above.

FIG. 4 is a rear view of the supporting structure for two rows of the seedling planting section for easy understanding.

[Fig. 5] Rear view of the two parts of the seedling planting section with partial breakage

[Fig. 6] Left side view of 2 rows of seedling planting section

FIG. 7 is a right side view of the same as above.

FIG. 8 is a side view showing a second seedling take-out device and a seedling planting device.

FIG. 9 is a diagram that clearly shows the transfer process of the first seedling transfer device.

FIG. 10 is a cross-sectional view showing the transmission configuration of two rows of seedling planting parts (central row)

FIG. 11 is a sectional view showing a sensing state of a seedling box sensing switch.

FIG. 12 is a side sectional view showing a state of supplying seedling boxes.

FIG. 13: Side view of seedling box carrier

[Explanation of symbols]

1 ... Riding type rice transplanter, 2 ... Running car body, 4 ... Seedling planting section, 5
... fertilizer application device, 16 ... transmission case with sub-plantation, 30 ... seedling box transport device, 30a ... seedling box supply unit, 30b ... seedling box transport unit, 30
b ... Seedling box discharge part, 30e ... Support frame, 31 ... First seedling take-out device, 31b ... First seedling take-out and first seedling transfer drive shaft, 32 ... First seedling transfer device, 33 ... Second seedling Take-out device, 3
3a ... Seedling extractor, 34 ... Transverse feeding device, 35 ... Seedling planting device, 42 ... Planting transmission case, 42a ... Planting transmission shaft, 60
... Seedling box detection switch, 65 ... Roller, 70 ... Loop pipe, 100 ... Gate frame, 101 ... Left transmission cable
102, right transmission case, 103 ... frame

[Procedure amendment]

[Submission date] July 25, 1995

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Continuation of the front page (72) Inventor Satoshi Kato 1 Yakura, Tobe-cho, Iyo-gun, Ehime Prefectural Engineering Department, Iseki Agricultural Machinery Co., Ltd. ) Inventor Tatsuyuki Torizu 1 Yakura, Tobe Town, Iyo-gun, Ehime Prefecture

Claims (1)

[Claims] 1. A seedling box supplying section 30a and a seedling box discharging section 30 provided below the seedling box supplying section 30a inclined rearward and downward.
c, and a U-shaped seedling box transfer unit 30b that links the seedling box supply unit 30a and the seedling box discharge unit 30c, the seedling box transfer device 30 is provided below the seedling box transfer unit 30b. In a seedling transplanter equipped with a seedling planting device, a planting transmission case 42 having a transmission shaft 42a for driving each seedling planting device is provided, and the planting transmission case 42 is provided above the planting transmission case 42. An integrally provided gate-shaped frame 100 is fixed, and a space portion A is formed at the center of the frame constituted by the frame 100 and the planting transmission case 42, and the space portion is formed. The gate-shaped frame 10 has a structure in which A passes through the seedling box conveying path of the seedling box conveying device 30.
1 support frame for supporting the seedling box supply unit 30a
A seedling transplanting machine, which is characterized in that the mu 30e is fixed.