JPH02273111A - Seedling feeder of seedling planter - Google Patents

Abstract

PURPOSE:To prevent the bottom of stopped matlike seedlings from being damaged with conveying belts by enabling the rotation of the conveying belts corresponding to seedling planters to stop operation automatically. CONSTITUTION:Conveying belts 28... for longitudinally feeding seedlings carried on the top surfaces thereof to the side of a planter with parts of bottom plates 20 in respective seedling tanks (9a) to (9e) by rotation when the seedlings tanks reach the transverse ends are wound and provided around upper and lower driven rollers 25 and driving rollers 22. A roller supporting shaft 26 for supporting the rollers 25 is provided independently of the left and right roller supporting shafts 26... so as to solely approach and separate from the direction of the rollers 22. Furthermore, when one of stop clutches for respective rows is moved to the disconnection side, the shaft 26 corresponding thereto is moved to the side of the rollers 22 and the belts 28 are loosened and prevented from revolving. That is the rotation of the conveying belts 28 corresponding to seedlings with stopped operation are automatically stopped without damaging the bottoms of the stopped matlike seedlings by the conveying belts 28.

Description

[Detailed Description of the Invention] (Field of Industrial Application) This invention is used for a rice transplanter that cuts out and transplants seedlings grouped in a mat shape with a seedling planting device, and is used for planting multiple seedlings. Of the devices, only the transfer of seedlings corresponding to the seedling planting device that has stopped operating is stopped.

(Prior Art) In a rice transplanter, near the end of work, among a plurality of seedling planting devices installed side by side, the one at the side end does not plant seedlings to accommodate the width of the field.

For this reason, there are some models in which the seedling feeding device automatically stops when the operation of the seedling planting device is stopped (Utility Model Publication No. 57-53125), and some in which the seedling feeding device automatically stops when the seedlings are dammed on the seedling tank ( Utility Model Application No. 55-176715) has been proposed.

(Problem to be solved by the invention) However, the former method requires a cylinder that moves left and right on the axis for each row, and has a complicated structure, and the bottom of the seedling tank where these are installed is always filled with muddy water. This is not used in practice because there is a risk that the cylinder will not move on the shaft.

Also, the latter requires work to dam the seedlings.

Operation is cumbersome.

It is also possible to replace the former cylindrical part with the latter tension clutch, but in the latter case, this tension roller protrudes significantly downward from the seedling tank when the belt stops, so it requires a large space. However, it could not be installed in places with limited space, such as at the bottom of a seedling tank.

(Means for Solving the Problems) This invention provides a pair of upper and lower rollers 25, 22 under the castle at the lower end of the seedling tank, and a transfer belt 28 is hooked and rotated around these, so that the lower roller 22 is The driving roller 22 is a driving roller 22 that does not move downward, and the upper roller 25 is a driven roller 25 that moves vertically.The above movement of the driven roller 25 causes the transfer belt 28 to be tightened and rotated, or loosened to stop the rotation. By doing so, all of the above problems have been completely solved.

That is, specifically, the plurality of partition bodies 21, 21...
Multiple seedling tanks 9a~ created by partitioning horizontally.
9e is provided so as to tilt back and forth and reciprocate from side to side, and a plurality of seedling planting devices 10. 5110, 10, . . ., each stop clutch 3 that can stop at least the one located at the lateral end separately.
1. In a multi-row rice transplanter equipped with 31..., 20 parts of the bottom plate of each seedling tank 9a to 9e
When ~9e reaches the horizontal end, the transfer belt 28.28 for vertical seedling feeding rotates twice and transfers the seedlings placed on the upper surface to the seedling planting device 10.10... side. . . . are wound around the upper and lower driven rollers 25 and the driving roller 22, and the roller support shaft 26 that supports the driven roller 25 is independent from the left and right roller support shafts 26, 26, . When one of the individual stop clutches 31, 31... moves to the "off" side, the corresponding roller support shaft 26 The seedling feeding device for a rice transplanter is characterized in that the seedling feeding device for a rice transplanter is provided so that the transfer belt 28 is loosened when the transfer belt 28 moves toward the drive roller 22 side, and the transfer belt 28 stops rotating.

(Function) Since this invention is configured as described above, the seedling tank 9
When the mat-like seedlings 8 are placed on each of the seedling tanks 9a to 9e, the seedling tanks 9a to 9e move left and right, and the seedling planting devices 10, 10, . . .
It passes through the lower end of 9e and moves up and down in an oblong trajectory, so cut out one plant at a time horizontally from the mat-like group of seedlings and transplant.

In this way, when the seedling tanks 9a to 9e reach the lateral ends, the transplantation of the mat-like bacteria in a horizontal row is completed, and the drive roller 2
2 rotates by a predetermined angle, and the transfer belt 28 wound around the driving roller 22 and the driven roller 25 rotates to send the mat-shaped seedlings downward.
e performs lateral movement in the opposite direction to the above, and transfers the seedling planting device 10.
10..., the mat-shaped seedlings on the seedling tanks 9a to 98 are cut out and transplanted one by one in the opposite direction to the above.

Repeat this process, and if the width of the rice transplanter and the width of the field do not match near the end of the work in one field, close the predetermined number of seedlings on the far side from the seedlings that have already been transplanted.
iR10*10... Stop and drive, and adjust the width of both. Then, the seedling packaging WIO, 1 stopped working.
Seedling tanks 9a, 9b, etc. corresponding to 0...
...'s driven rollers 25, 25, old... are drive rollers 2
2, 22... Approach the side and transfer belt 28.2
8... becomes loose.

Therefore, the drive rollers 22, 22... rotate idly with respect to the transfer belts 28, 28..., and the rotation of the transfer belts 28, 28... stops, and this Seedlings will no longer be sent out.

(Effects) According to the present invention, the rotation of the transfer belt 28 corresponding to the seedling planting device 10 that has stopped operating automatically stops, so that the bottom of the stopped pine-shaped seedling can be transferred to the transfer belt. 28 won't hurt you.

In particular, among the unpaired driving rollers 22 and driven rollers 25 provided at the bottoms of the seedling tanks 9a to 9e, the upper driven roller 25 is moved up and down along the bottom surfaces of the seedling tanks 9a to 9e, and the transfer Since the rotation of the driving roller 22 is transmitted to or cut off from the belt 28, the thickness of the constituting reservoir is only that of the driven roller 25 and the transfer belt 28, and it can be rationally installed under the picking seedling tanks 9a to 9e. It will be done. moreover,
The side closer to the seedling planting device 10.10... is the drive roller 22.22...
, 22... are provided so that they do not move, so even if the transfer belts 28, 28...... extend, there will be no change in the relationship with the seedling planting devices 10, 10... The seedlings can be transplanted successfully over a long period of time.

Furthermore, the transfer belt 28 is switched between rotating and stopping only by moving the upper driven roller 25.
No. 5 is located at a relatively high position and is not easily exposed to muddy water, and since it moves up and down along a long hole and does not require precision in its supporting structure, it does not operate at all even if a little muddy water is splashed on it. This has the effect of providing stable performance over a long period of time without any problems.

(Example) Embodiments of the invention will be described based on the drawings.

1 is a running vehicle body, 2 is a front wheel, 3 is a rear wheel, 4 is a bonnet that covers the engine, 5 is a steering wheel, and 6 is a control seat.

Reference numeral 7 denotes a rice transplanting device, and a seedling tank 9 is supported on the top of a planting mission case 8 so as to be moved back and forth from side to side, and a seedling planting device 10° 10... is cranked at the rear end of the planting mission case 8. 11.11... and the swinging rod 12°12.
It is installed so that it moves in a long oval trajectory downwards, and the center and left and right soil leveling floats 13 and 14 are attached to the lower side of the planting mission case 8.

The rice transplanting device 7 is attached to the traveling vehicle body 1 so as to be able to move up and down using an elevating link mechanism 15. In FIG. 0, 16 is an upper link, 17 is a lower link, and 18 is a hydraulic cylinder device.

The aforementioned seedling tank 9 is divided into five seedling tanks 9a, 9b, 9c, 9d, 9e by dividing the left and right frames 19, 19 and the bottom plate 20 with partitions 21, 21... It is configured like this. And each seedling tank 9a that has been separated
A hole 20a is formed in the front side of the bottom plate 20.
20a... are bored (Fig. 3).

22.22... is a seedling planting device 10.10...
The lower drive roller near the side is fixed to a single drive shaft 24 supported by brackets 23, 23, . . . at the lower front side of the seedling tank 9.

25.25... are upper driven rollers, which are attached to the respective roller support shafts 26, 26...

The roller support shafts 26, 26, . . . are connected to the long holes 27, 27, .
It is supported by a bearing so that it can move in parallel with 20...

28.28... is a rubber transfer belt, which connects drive rollers 22, 22... and driven rollers 25, 2.
5...... and is wound around the driven roller 25,
25... in the direction (toward the seedling planting device), the transfer belts 28, 28... are loosened and are no longer driven to rotate.

The drive shaft 24 is provided to be rotated through a ratchet mechanism 29, and the ratchet lever 29
a is a rotating arm 30 that is transmitted and rotated on the outside of the planting mission case 8;

It is provided so that it is engaged and rotated only when the seedling tank 9 reaches the left and right lateral ends.

31.31... is each row stop clutch, which connects the co-rotating shaft 33 of the crank 11 of the seedling planting device 10.10... and the drive sprocket 34, 34...・It is provided so that it can be turned on and off as appropriate by shifters 35, 35, etc., which are interposed between the two.

3G, 36, . . . indicate springs that bias the clutch 31 in the “R” direction.

37.37... is each line stop clutch 31,3
Five clutch operating levers are arranged in parallel on the left side of the pilot's seat 6, and these clutch operating levers 37, 37 operate the clutch wires 38, 38, and 37, respectively. ...... through each article stop clutch 3
1.

39.39... is the driven shaft 26,26...
A wire connecting the springs 40, 40, 40, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 37, 40, 40, 40, 40, 40, 40, 40, 37, 37, 37, 37, .・
Seedling tanks 9a to 9 corresponding to the seedling planting device 10tlO whose transmission was cut off when ... was set to OFF J.
The roller support shafts 26, 26, . The drive rollers 22, 22, .

Next, the operation of the upper side will be explained in detail. Each seedling tank 9a~
Place the mat-shaped seedlings on 9e. At this time, each clutch operating lever 37, 37...
Clutch wire 38.3 by operating it backwards as indicated by 21.
8... and wires 39, 39...... and tighten each stop clutch 31, 31...
At the same time as turning on the roller support shaft 26.26...
is pulled upward, and the transfer belts 28, 28, .

In this state, each part is driven and seedling planting begins. That is, when the rice transplanting device 7 is towed by the traveling vehicle body 1 with its lower leveling floats 13 and 14 in contact with the topsoil surface of the paddy field,
While the seedling tank 9 reciprocates left and right, the seedling planting device 210. I
Q... is driven.

Therefore, the lower ends of the seedlings on the seedling tanks 9a to 9e are cut out one by one by the seedling planting devices 10, 10, .

At this time, when the seedling tank 9 reaches the left and right lateral ends, the ratchet lever 29a engages with the rotating arm 30 that is constantly rotating, the drive shaft 24 is rotated, and the drive rollers 22, 22,
...and the transfer belt 28°28...
is passed around. For this reason, mat-like seedlings are packed in seedling packagingff1.
Even when the seedling tank 9 is turned and moved after being sent to the lo, 10, . . . sides, no missing plants occur.

In this way, the work of planting seedlings is carried out.

When nearing the end of planting, if the remaining planting field size (distance to the ridge) becomes smaller than a multiple of the total planting row width of the rice transplanter, use the 5-row rice transplanter of the example, For example, if there is space left for 8 rows, 3 rows will be planted first, and 5 rows will be planted on the ridge to complete the transplanting of the gold mine. At this time, 2 on the unplanted side
To rest the row planting, operate the clutch operating lever 37° 37 on the side to be rested in the direction of arrow A. Then, each of the wires 38 and 39 becomes loose, and the seedling planting device 10 in that part becomes loose.
．． 10 is stopped, and this seedling planting device 10.10
Transfer belt 28.28 of seedling tanks 9a, 9b corresponding to
Even if the belt becomes loose and the seedling tank 9 reaches the lateral end, the transfer bells 1-28.28 of the seedling tanks 9a and 9b do not rotate, and therefore the roots of the seedlings are scratched and damaged by the transfer belt 28.28. This prevents a situation where the number of seedlings planted changes after planting is restarted by compressing the seedlings by pressing strongly downward.

In addition, as shown in FIG. 9, the drive shafts 24 are arranged in horizontal rows without passing through each other, and are connected to shaft couplings 41 and 41.
You can continue with...

[Brief Description of the Drawings] Fig. 1 is a side view of a rice transplanter according to the present invention, Fig. 2 is a plan view thereof, Fig. 3 is a cutaway side sectional view of a part thereof, and Fig. 4 is a part thereof. 5 is a partially cutaway front view of the same, FIG. 6 is a partially cutaway front view of the same, FIG. 7 is a partially cutaway side view of the same, and FIG. 8 is a partially cutaway plan view of the same. , FIG. 9 is a cutaway front view of a separate portion. The symbols in the figure are as follows. 9 Seedling tank 10 Seedling planting device 22 G-driving roller 25 Driven roller 26 Roller support shaft 2
8 Transfer belt 31 Each stop clutch gear 7a Figure δ, 1

Claims (1)

[Claims] A plurality of seedling tanks 9a to 9e, which are horizontally partitioned by a plurality of partitions 21, 21, .
9e, a plurality of seedling planting devices 10, 10...
・These seedling planting devices 10, 10...
In a multi-row rice transplanter equipped with individual row stopping clutches 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, .
When the seedling tanks 9a to 9e reach the lateral end on the bottom plate 20 of the seedling planting device 10, 1, the seedlings are rotated and placed on the upper surface.
Transfer belt 2 for vertically feeding seedlings to transfer to the 0... side
8, 28, . . . are wound around the upper and lower driven rollers 25 and the drive roller 22, and the roller support shafts 26 that support the driven rollers 25 are connected to the left and right roller support shafts 26, 26, .
. . , so as to independently move toward or away from the drive roller 22, and when one of the individual stop clutches 31, 31, . The corresponding roller support shaft 26 moves to the driving roller 22 side, and the transfer belt 28 becomes loose, and this transfer belt 28
A seedling supply device for a rice transplanter, characterized in that the device is provided so that the device does not rotate.