JPH0711532Y2 - Seedling holding device in seedling feeder of transplanter - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a seedling holding device for preventing dropping and dropping of seedlings in a seedling feeder of a transplanter.

[0002]

2. Description of the Related Art Conventionally, seedlings are placed on a seedling supply table that is opened upward, and one end of the seedling is sandwiched by a holding spring of the seedling supply table to be supported, and then this seedling supply table is turned upside down to put the seedlings on the inoculation nails. There was a seedling feeder to feed.

[0003]

However, in the above-mentioned conventional seedling feeding device, the operator manually pushes the seedling when holding the seedling in the holding spring, so the work is complicated.

An object of the present invention is to provide a device for automatically pushing seedlings into a holding spring without the need of an operator's hand.

[0005]

[Means for Solving the Problems] In order to achieve the above-mentioned object, the present invention mounts a seedling on a seedling supply table fixed on an endless chain and opened upward, and one end of the seedling is placed in front of the seedling supply table. In a seedling feeder of a transplanting machine that flips the seedling feeding table upside down and supports this seedling feeding table by feeding the seedlings to the inoculation nails, the seedling pushing ring that straddles the holding spring is located above the holding spring. It is configured so that it is attached so that it is pressed toward.

[0006]

In the seedling holding device of the present invention configured as described above, the holding spring is rotated and transferred, and when the pushing wheel comes on the holding spring, the seedling is pressed downward by the weight of the pushing wheel and the like. Pushes the holding spring and pushes it into the lower holding portion of the holding spring, it is securely held and transferred, and it is planted in a predetermined position of the ridge.

[0007]

Embodiments of the present invention will be described with reference to the drawings.

The transplanter of the present invention shown in FIG. 1 straddles the ridge 3 by the left and right front wheels 1, 1 and the drive wheels 2, 2 to drive the drive wheels 2, 2.
It moves forward by rotating 2. When the worker sets the holding springs 4 to the seedlings 5 like sweet potato vines one by one, the seedling nails 1
9 receives this seedling 5 from the holding spring 4 and sequentially plants it in the ridge 3.

As shown in FIG. 2, a sprocket 13 is fixed to a shaft 12 which rotates in conjunction with power, a sprocket 14 is provided on the side of the sprocket 13, and a sprocket 15 is provided below the sprocket 13, 14, 15 respectively.
The endless chain 6 is wound around the. The endless chain 6 and the sprockets 13, 1 and 1 are also arranged behind the endless chain 6 and the sprockets 13, 14, 15.
4 and 15 are arranged. Then, between the endless chains 6 and 6 which are juxtaposed before and after this, a seedling supply table 16 having a band plate adhered to the bottom surface thereof is fixed so as to be continuous. Further, a holding spring 4 is arranged on the endless chain 6 in front of the seedling supply table 16. The holding spring 4 has a pair of leaf springs joined to each other to form a holding portion 4a in which a lower portion is narrow and parallel to each other, and both ends thereof are formed with seedling receiving portions 4b inclined so as to expand each other. It has a substantially Y shape, and is rotated and transferred as the endless chain 6 rotates. The seedling pushing wheels 7, 7 are attached so as to face the end of the position where the holding spring 4 stands up on the rotation path of the endless chain 6. The seedling pushing wheels 7 and 7 are composed of a pair of wheels, and the shaft 1 is provided at an interval S wider than the width T of the holding spring 4.
It is rotatably pivoted by 7 and is arranged so as to straddle the holding spring 4. The shaft 17 is rotatably supported at the tip of the push-wheel mounting rod 9, and the other end of the push-wheel mounting rod 9 is rotatably attached to a support rod 8 fixed to the machine body. A spring 10 is stretched between the pusher wheel mounting rod 9 and the restoring force of the spring 10 applies a pressing force to the seedling pusher wheels 7, 7 in the direction of the holding spring 4 in addition to its own weight. Then, the seedling pushing wheels 7, 7 attached to the pushing wheel mounting rod 9 are provided with a stopper 18 which prevents the seedling pushing wheels 7 and 7 from falling down and has a position adjustable screw.
And attach it to the support rod 8.

Since the seedling feeder is driven as described above, the endless chain 6 is rotated, and the holding spring 4 is also rotated accordingly. The seedling 5 is placed on the holding spring 4 near the starting end of the position where the holding spring 4 stands. The holding spring 4 continues to move the seedling 5 while being held by the wide seedling receiving portion 4b above it, and when it is sent under the seedling pushing wheels 7 and 7, the seedling receiving portion above the holding spring 4 is held. The seedling 5 held by 4b is pushed by the seedling pushing wheels 7, 7 into the narrow holding portion 4a below the holding spring 4. When the seedling pushing wheels 7 and 7 are moved further and are no longer in contact with the seedling 5, the seedling 5 is firmly held by the holding portion 4a of the holding spring 4 and planted in a predetermined position of the ridge 3 (see FIG. 3).

Thereafter, this operation is repeated, and the seedling 5 is firmly and continuously held by the holding portion 4a below the holding spring 4.

The seedling receiving portion 4b of the holding spring 4 may be symmetrical, but as shown in FIG. 2, the inclination angle on the left side that first contacts the seedling pushing wheel 7 is increased, and the right side is close to an upright state. The shape. Furthermore, if a pair of guide rods 11, 11 that are installed diagonally with the end farther from the seedling pushing wheel 7 is raised, are attached in front of the pushing wheel 7 so as to straddle the holding spring 4 (FIG. 4).
Seed), the seedling 5 is first pushed by the guide rod 11 and moves to the narrow holding portion 4a in the center of the holding spring 4, and stops at the center without moving to the opposite side where the inclination is steep. The seedling pushing work by the seedling pushing wheel 7 of becomes smooth.

[0013]

[Effects of the Invention] In the present invention, since the seedling pushing wheel is attached above the holding spring as described above, the seedling placed on the holding spring does not softly damage the seedling as if operated manually. Moreover, there is an effect that the seedlings can be reliably and continuously pushed firmly into the narrow holding portion below the holding spring and can be planted properly at a predetermined position of the ridge, without manual work.

[Brief description of drawings]

FIG. 1 is an overall plan view of a transplanter on which a device according to an embodiment of the present invention is mounted.

FIG. 2 is a schematic side view of a main part of the present invention.

FIG. 3 is a schematic front view showing the seedling pushing action of the seedling pushing wheel.

FIG. 4 is a schematic perspective view showing attachment positions of a guide rod and a seedling pushing wheel.

[Explanation of symbols]

 4 Holding springs 5 Seedlings 6 Endless chains 7 Seedling pushing wheels 16 Seedling supply table 19 Inserting nails

Claims (1)

[Scope of utility model registration request] 1. A seedling is fixed on an endless chain, and the seedling is placed on a seedling supply table that opens upward. One end of the seedling is sandwiched by a holding spring in front of the seedling supply table to be supported, and then this seedling supply table is moved up and down. In a seedling feeder of a transplanter that reversely supplies seedlings to the inoculation nail, a seedling holding device which is installed above the holding spring so as to push a seedling pushing wheel straddling the holding spring toward the holding spring.