JPS601536Y2 - Seedling feeding device in transplanter - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a seedling feeding device for feeding seedlings to a planting device provided in a transplanting machine for transplanting tobacco seedlings, cabbage seedlings, etc. into the ridges of a field.

Conventionally, when supplying seedlings to the planting device of a transplanter, a large number of seedlings are placed on a conveyor, transferred, and then automatically transferred to another conveyor placed perpendicular to the same conveyor intermittently. The system is configured so that the seedlings are transferred and supplied to a properly configured planting device at the end of the conveyor, but the mechanism for feeding seedlings from the conveyor to the planting device is complicated and it is difficult to accurately feed seedlings. , and the drive mechanism of each conveyor,
This had the disadvantage that the power transmission mechanism was complicated.

In this invention, in particular, a horizontal conveyance belt device is provided at the end of the vertical conveyance belt device, which is provided to supply seedlings to the planting device, and is perpendicular to the vertical conveyance belt device. In order to accurately supply seedlings, a seedling posture correcting shutter that receives the seedlings in a horizontal position at the end of the horizontal conveyance belt device is placed in a downwardly open position.Moreover, the mutual drive of each conveyor belt device is linked to the planting mission section. It is an object of the present invention to provide a seedling feeding device for a transplanting machine which feeds seedlings via a conveyance drive shaft.

To explain the embodiment shown in the drawings, reference numeral 1 is a traveling machine as a transplant machine, and an engine 1 is installed at the front of a machine base 9.
0 on the tower, a drive transmission section 11 connected to the engine 10, running wheels 13 connected to the engine 10 via a transmission 12, installed at the bottom of the machine base 9, and an operation handle at the rear. 14, and a guide wheel 15 is provided in front.

Reference numeral 2 denotes a planting device, in which a seedling holding device 17 is supported by the respective tips of a pair of F-shaped links 16. 18 is pivotally supported at the waist and a crank arm 19 is pivotally supported at the middle part of the same link 16.16, and by rotating the crank arm 19, the seedling holding device 17 is held at the central part of the machine body 1 in the virtual position shown in FIG. It moves up and down in a reciprocating manner along a trajectory shown by a line.

20 is a crankshaft provided with the crank arm 19;
It is pivotally supported by a planting mission section 7 provided on the machine base 9, and is connected to a planting main shaft 21 that is pivoted to the planting mission section 7, and the planting main shaft 21 is connected to the above-mentioned drive mission section 11. are doing.

The seedling holding device 17 rotatably supports a pair of cup halves 22.22 obtained by dividing an inverted conical tube in half between the tips of the links 16.16, and the upper end is placed inside the cup halves 22.22. A seedling guide cylinder 24 with an oval opening 23 is supported, and the lower end opening 25 of the seedling guide 24 is connected to the half-cup body 22,
It can be opened and closed by the rotational movement of 22.

3 is a seedling supply device provided on the upper right side of the traveling body 1;
A vertical conveyance belt device 5 is provided on the machine frame 4 which is connected to the machine frame 9 via a support frame 26, and a horizontal conveyance belt device 6 orthogonal to the vertical conveyance belt device 5 is installed at the transition end portion of the vertical conveyance belt device 5. The sides are placed next to each other.

In the vertical conveyance belt device 5, a conveyance drive shaft 8, which is connected to an intermediate shaft 27 connected to the crankshaft 20 via a drive chino 28, is pivotally supported on the machine frame 4, and is loosely fitted onto the conveyance drive shaft 8. A vertical conveyance bell) 5c is stretched between the vertical conveyance drive roller 5a and the vertical conveyance idle roller 5b, and an intermittent chain 29 is attached to the drive chain 28, and a sprocket 30 is provided for mixing with the intermittent chain 29. The vertical conveyance drive roller 5
A, the vertical conveyance drive roller 5a is rotated intermittently with respect to the constant rotation of the conveyance drive shaft 8, and the vertical conveyance belt 5c is intermittently shifted in accordance with the intermittent rotation.

A partially toothed bevel gear 31 is provided on the extension of the conveyance drive shaft 8, a partially toothed bevel gear 31' that meshes with the partially toothed bevel gear 31 is provided on the horizontal conveyance drive shaft 32, and the Horizontal conveyance drive roller 6a smaller in diameter than vertical conveyance drive roller 5a
The drive roller 6a and the horizontal conveyance idler roller 6b are provided.
A horizontal conveyance belt 6c is stretched between the vertical conveyance belt device 5 and the horizontal conveyance belt device 6, and a step is interposed adjacent to the vertical conveyance belt device 5.

The meshing of the partially toothed bevel gears 31 and 31' causes the horizontal conveyance drive roller 6a to rotate intermittently relative to the constant rotation of the conveyance drive shaft 8, and along with the intermittent rotation, the horizontal conveyance belt 6C
This is an intermittent transition.

Further, the vertical conveyance belt device 5 performs one intermittent transition through several intermittent transitions of the horizontal conveyance belt device 6, and the horizontal conveyance belt device 6 is moved in small increments by the meshing of the partially toothed bevel gears 31 and 31'. After making several intermittent transfers, the intermittent chain 29 and sprocket 30 are adjusted, and the vertical conveyor belt device 5 makes one intermittent transfer.

Reference numeral 33 denotes a seedling posture correcting shutter installed adjacent to the end of the transition of the horizontal conveyance belt device 6, and at the end of the transition of the horizontal conveyance belt device 6, the tip of the fallen seedling is pivoted in the lateral direction. The seedling holding device 17 moves up and down in a reciprocating manner below the shutter 33.

34 is a seedling loading device provided above the seedling feeding device 3, and a guide rail 35 is provided extending from above the transition end of the vertical conveyance belt device 5 to the upper left side of the machine body 1;
A seedling growing box 36 holding stored seedlings so that they can fall freely is placed on the tray.

The reference numeral 37 is the swing axis, and the reference numeral 38 is the correction shutter 3.
3 is a balance weight provided, 39 is a preliminary mounting part of a seedling raising box 36, and 37 is a seedling.

Therefore, when the seedlings 37 are placed on the seedling feeding device 3 from the seedling loading device 34, the seedlings are stored in the seedling raising box 35 which has been moved along the guide rail 35 directly above the vertical conveying belt device 5 in advance when the vertical conveying belt device 5 is stopped intermittently. The seedlings 37 that have fallen onto the vertical conveyor belt device 5 are placed in a line while still being separated by the partition frame of the seedling raising box 36, and the seedlings 37 are placed vertically. They are parallel in the direction and in the lateral direction.

Then, the seedlings 37 that have been sequentially transferred by intermittent transfer of the vertical conveyance belt device 5 and transferred to the front row at the end of the transfer are transferred to the horizontal conveyance belt device 6.

At this time, the intermittent transfer of the vertical conveyance belt device 5 by the combination of the intermittent chain 29 and the sprocket 30 is to transfer the vertical parallel spacing of the seedlings 37 every time, and during the intermittent transfer, the seedlings 37 in the front row are transferred horizontally. The seedlings 37 in the second row are transferred to the front row while being laid down horizontally from the side of the belt device 6 in rows.

Then, the seedlings 37 placed sideways are sequentially dropped from the end of the transition by intermittent transition of the horizontal conveyance belt device 6 due to the meshing of the toothed bevel gears 31 and 31', and the seedling posture correction shutter 33
A seedling is placed on its side in a horizontal position, and its own weight causes the shutter 33 to be opened downward. When the shutter is opened, the seedling returns from a horizontal position to an upright position and falls. The seedlings are supplied to the seedling holding device 17 in this state.

At this time, the rotation of the crank arm 19 is timed so that the seedling holding device 17 is located at the upper end of the trajectory.

Then, the seedlings 37 supplied to the seedling holding device 17 are transferred to the crank arm 1.
The seedlings 37 are transplanted to the field by lowering the planting device 2 as the device 9 rotates.

After the seedlings 37 are sequentially supplied from the intermittent transfer of the horizontal conveyance belt device 6, the vertical conveyance belt device 5 is transferred to the intermittent transfer when the horizontal conveyance belt device 6 stops, and the same operation as described above is repeated. 37 plants are continuously transplanted into the field.

This idea is constructed as described above,
A large number of seedlings can be placed in parallel on the vertical conveyance belt device of the seedling supply device, and then transferred horizontally onto the horizontal conveyance belt device, and at the end of the horizontal conveyance belt device,
The seedling posture correction shutter receives the migrated seedlings, opens the shutter using the seedling's own weight, and restores the fallen seedlings to an upright state while feeding them to the seedling holding device, making it possible to feed seedlings continuously and accurately. In addition, since each of the vertical conveyance belt device and the horizontal conveyance belt device is driven via the conveyance drive shaft connected to the planting mission section, there is an effect that the power transmission mechanism can be easily configured.

[Brief explanation of the drawing]

FIG. 1 is an overall side view showing the seedling feeding device in the transplanter of the present invention, FIG. 2 is a plan view of the same, and FIG. 3 is an enlarged sectional view of the same essential parts. 1: Traveling machine body, 2: Planting device, 3: Seedling supply device, 4: Machine frame, 5: Vertical conveyance belt device, 5a, 6a: Drive roller, 6: Horizontal conveyance belt device, 7: Planting mission section, 8:
Conveyance drive shaft.

Claims (1)

[Scope of utility model registration request] In a transplanting machine in which a planting device 2 is provided on a traveling body 1 and a seedling feeding device 3 is provided above the planting device 2, a vertical conveying belt device 5 is provided in the machine frame 4, and a vertical conveying belt device 5 is installed orthogonally to the vertical conveying belt device 5. The horizontal conveyance belt device 6 is placed adjacent to the transfer end portion of the vertical conveyance belt device 5 to be transferred and placed with the seedling lying sideways,
Furthermore, a seedling posture correction shutter that can be opened downward is provided at the end of the horizontal conveyance belt 6, and the conveyance drive roller 5a of the vertical conveyance belt device 5 is connected to the planting mission section 7 of the planting device 2. The seedling feeding device is constructed by loosely fitting a conveyance drive shaft 8 provided so as to be able to rotate intermittently, and in which a conveyance drive roller 6a of the lateral conveyance belt device 6 is connected to the conveyance drive 8 so as to be able to rotate intermittently.