JPS6035366Y2 - Seed feeding device - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a seed dispensing device for a seed seeding machine, and is an embodiment of a device that is capable of dispensing seeds with high accuracy without dispensing errors.

The feeding device in conventional seeding machines uses a concave part drilled in the rotational surface of the feeding roll to scoop up and feed out the seeds that naturally flow down into the funnel-shaped drop opening of the hopper. When dispensing seeds of easy shape and weight, or when there are some other factors, the seeds tend to cause a bridging phenomenon and stagnate in the funnel-shaped part, temporarily disrupting the scooping of seeds by the recessed part of the roll and dispensing them. In order to prevent this problem, the amount of seeds scooped out from the recessed part of the roll is set to a relatively large amount, which inevitably leads to the amount of seeds being sown with a slightly excessive number of seeds. However, it also has the problem of poor growth and management after sowing.

Furthermore, with the feeding device of a conventional seeding machine, when feeding out the seeds, the feeding posture of the seeds is not aligned, and there is also a problem that highly accurate seeding cannot be performed.

The present invention eliminates the drawbacks of the conventional device, and its feature is that it is equipped with a hopper and a feed roll installed at the drop opening of the hopper, and seeds are fed into the seed flow path leading to the feed roll. In addition to installing a vibrating tool to prevent the seeds from stagnation, the vibrating tool is equipped with a falling attitude regulating mechanism that regulates the falling attitude of the seeds.

Hereinafter, the present invention will be described in detail with reference to specific examples shown in the drawings.

Reference numeral 1 designates a hopper, and a funnel-shaped drop opening 1b is opened at the lower part of the hopper communicating with the seed storage section 1a, and the upper end of the delivery roll 2 is seen through the drop opening 1b.

The feed roll 2 is a machine frame integrated with the hopper 1 (not shown)
It is attached to a feeding shaft 3 which is rotatably supported by an appropriate drive source, and is rotated in the A direction by rotation of the feeding shaft by an appropriate drive source, and a recessed portion 4 bored in the circumferential surface allows it to be attached to the dropping port 1b. The seed is scooped up at the desired part and released into the delivery tube 5 at the front side in the rotational direction.
Further, in the seed flow path in the hopper leading to the feed roll 2, a forcibly driven vibrating device 6 is installed to prevent the seeds from stagnation.

Figures 1 and 2 illustrate an embodiment of the present invention, in which vibration is supported on the hopper wall forming the seed flow path and reciprocated in the same direction (direction of the mouth) as the centers of the feed shafts. A plate 7 is installed, and this diaphragm is provided with a slit 8 in a portion located inside the hopper as a downward posture regulating mechanism for allowing seeds to pass through in a constant direction.

This diaphragm 7 is attached to the operating arm 9 at the hopper extension.
A vibrating arm 11 which is activated by the rotation of the cam body 10 of the feeding shaft 3 is associated with the arm 9, so that it reciprocates in the mouth direction with a predetermined amplitude as the feeding shaft rotates. .

In addition, 15 is a brush for adjusting the feeding amount, and 16 is an operating groove of the cam body.

Next, the operation of the device having such a configuration will be explained.

When performing seeding work, seeds are thrown into the hopper 1, and the stored seeds fill the drop opening 1b at the bottom of the hopper.

Next, when the feed shaft 3 is rotated, the feed roll 2 interlocked with this rotates in the direction of the arrow A, and the recessed part 4 bored in its circumferential surface is located at the drop opening 1b and scoops out the seeds. After the seeds are rotated and adjusted to a specified amount by the brush 15, the dispensing action of discharging the scooped seeds in the dispensing cylinder 5 is continued.

Of course, while this feeding operation is being performed, the cam body 10, vibrating arm 11, etc. are operated simultaneously with the feeding shaft 3, so the diaphragm 7 that is linked to this operates with a predetermined amplitude, and the hopper 1 Seeds stored inside are dropped into the opening 1b.
It will be forced to be postponed one after another without any stagnation.

Therefore, since the appropriate amount is always brought to the place where the recessed part 4 scoops out seeds, the scooper will not idle, and sowing operations can be carried out without feeding mistakes. Because the slit 8 is provided, the seeds from the hopper can be passed through the hopper in a uniform direction, making it possible to carry out highly accurate sowing work.

As described above, the present invention includes a hopper 1 for storing seeds,
A feed roll 2 installed at the drop port 1b of this hopper 1
A vibrating device 6 is installed in the seed flow path in the hopper leading to the feed roll 2 to prevent stagnation of the seeds flowing down, and the vibrating device is equipped with a descending attitude regulation device that regulates the descending attitude of the seeds. Since the mechanism is provided, the seeds in the hopper are forcibly fed to the feed roll 2 by the vibrating tool 6, so the scooping of seeds by the recessed part 4 is prevented from idling, and extremely highly accurate sowing can be achieved. Can be implemented.

In addition, as mentioned above, it is possible to sow without feeding mistakes, so there is no need to set a large amount of scooping from the recessed part, so it is possible to sow thinly overall, which is advantageous for growth management and reduces the amount of sowing. can.

The structure is extremely simple and easy to handle because it is possible to deliver a small number of seeds with high precision while using a method in which seeds are delivered by scooping them out using the recessed part of the delivery roll.

There is an effect like this. Furthermore, the downward posture regulating mechanism provided on the vibrating tool 6 makes it possible to feed out the seeds in the same direction, thereby making it possible to sow with even higher precision.

[Brief explanation of drawings]

The drawings show a specific example of the present invention, and FIG. 1 is a cross-sectional side view of the feeding device of the first embodiment, and FIG. 2 is a schematic perspective view of the main parts thereof. 1...Hopper, 1b...Drop opening, 2
...Feeding roll, 3...Feeding shaft, 4.
... recessed part, 6 ... vibrating tool.

Claims (1)

[Scope of utility model registration request] It is equipped with a hopper that stores seeds and a feed roll installed at the drop opening of this hopper, and a vibrating device is installed in the seed flow path in the hopper leading to the feed roll to prevent stagnation of the seeds flowing down. In addition, a seed feeding device characterized in that the vibrating tool is equipped with a falling posture regulating mechanism for regulating the falling posture of the seeds.