JPH0530864A - Soil-supply structure of seeding plant - Google Patents

Abstract

PURPOSE:To scrape the soil in the bottom part of a receiving unit when a bucket equipped with a scraping member passes through the receiving unit during operation of a sending unit and to prevent the massive soil from growing large by attaching the scraping member to the top part of the buckets. CONSTITUTION:A sending unit is made up by fixing buckets 13b for scraping and conveying the soil to plural positions on a rotating endless belt 13a and a scraping member 18 for scraping the soil adhering to the bottom part of a receiving unit 11, made of an elastic material is attached to the top part of the buckets 13b. The soil in the bottom part can be scraped thereby from time to time before the massive soil grows large in the bottom part of the receiving unit 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sowing plant in which soil and seeds are continuously put in a nursery box for growing seedlings for planting crops.

[0002]

2. Description of the Related Art An example of the above seed plant is disclosed in Japanese Patent Laid-Open No. 2-104206. In this seeding plant, first, while continuously feeding the seedling raising box (1 in FIG. 4 of the publication) by a conveyer conveyor (5 in FIG. 4 of the publication), first, a soil supply device for floor soil (see FIG. 4 of the publication). From 6), bed soil is supplied into the nursery box. Next, seeds are sown on the floor soil of the nursery box by a seeding device (8 in FIG. 4 of the above publication), and the soil is covered on the seeds of the nursery box by a soil supplying device for covering soil (9 in FIG. 4 of the above publication). Go over.

In the above seed plant, the soil is replenished to the soil feeder for the soil and the soil cover as follows. That is, the soil in the soil storage portion (not shown in FIG. 4 of the publication) is transported to the receiving portion (the lower concave portion 19 in FIG. 4 of the publication) by the transport device. Then, the soil in the receiving portion is scraped off and lifted by the feeding device (19 in FIG. 4 of the publication), and the soil from the conveyor belt (20, 21 in FIG. It is configured to be sent to each tank.

[0004]

The above-mentioned feeding device is generally constructed by fixing metal or resin buckets for scraping and conveying soil at a plurality of positions of an endless rotating body such as a belt or a chain. , The endless rotating body is rotationally driven to scrape and convey the soil in the receiving section by each bucket. In this case, a small gap is provided between the bottom of the receiving part and the passage of the bucket tip. This is provided to prevent the tip of the bucket from colliding with the bottom of the receiving part and being damaged, but if there is such a gap, the soil that cannot be scraped off by the bucket will inevitably fall into the receiving part. It may adhere to the bottom and stay in a solidified state. In such a state, if a lump of soil attached to the bottom of the receiving part comes off from the bottom and is collected in the bucket due to some impact, this large lump of soil is fed from the feeding device to the tank and the soil feeding device. It will be sent to and cause clogging in each part. It is an object of the present invention to prevent large soil blocks from being fed into tanks and soil supply devices and developing into clogs in a sowing plant.

[0005]

A feature of the present invention is that the soil supply structure of the seed plant as described above is configured as follows. That is, the above-described feeding device is configured by fixing buckets for scraping and conveying soil at a plurality of positions of the endless rotary body that is rotationally driven, and is made of an elastic material that scrapes the soil attached to the bottom of the receiving portion. A scraping member is provided at the tip of the bucket.

[0006]

If the scraping member as described above is provided at the tip of the bucket, when the bucket equipped with the scraping member passes through the receiving portion during operation of the feeding device, the scraping member at the tip of the bucket receives the scraping member. The soil at the bottom of the section is scraped off, and this soil is collected in a bucket equipped with a scraping member. Then, this soil is supplied from the feeding device to the tank. As described above, if the soil at the bottom of the receiving portion is scraped when the feeding device is operated, the soil attached to the bottom of the receiving portion can be scraped and collected before it becomes a large lump. As described above, even when the small lump of soil is collected and sent into the tank, the lump of soil does not particularly develop.

Since the scraping member is an elastic body and the scraping member is elastically deformed even when the scraping member hits the bottom of the receiving portion, the receiving portion, the feeding device, etc. are not damaged.

[0008]

As described above, the soil attached to the bottom of the receiving portion is scraped and collected in a small lump state at a suitable time, so that a large lump of soil is collected and the tank is clogged. Was able to be prevented. As a result, the work is less likely to be interrupted due to soil clogging, and the work efficiency of the entire sowing plant can be improved. In this case, the receiving part, the feeding device, and the like are not damaged, so that the durability is not deteriorated.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows the whole planting plant for rice, and an empty seedling raising box 2 is sent on a conveyor 1 from the left side of the paper to the right side of the paper. Then, first, the soil is supplied from the soil supplying device 3 for the floor soil to the empty seedling raising box 2 and spread, and the floor soil is formed in the seedling raising box 2, and the excess floor soil is scraped off by the rotary brush 4. Go away. Next, seed paddy is sown from the seeding device 5 on the bed soil in the seedling raising box 2, and soil is supplied from the soil supplying device 6 for covering soil to the seed pad in the seedling raising box 2 to form cover soil. .. As described above, the seedling-raising box 2 that has been sown is further sent to the right side of the paper, stacked in multiple stages, and sent to the germination chamber (not shown).

The soil supplying device 3 for the above-mentioned floor soil and covering soil
6 are provided with tanks 7 and 8 for temporarily storing soil, respectively.
Takes out the soil one by one. Next, a structure for replenishing the tanks 7 and 8 with soil will be described.

As shown in FIG. 1, a soil storage section 9 is provided for storing soil, and the soil in this soil storage section 9 is received by a first conveyor device 10 of a belt conveyor type and a receiving section 11 is provided.
Sent to. In addition, when soil is supplied from the soil supply device 3 for floor soil, when scraped by the brush 4, and when soil is supplied from the soil supply device 6 for covering soil, soil spilled from the seedling raising box 2 is of the belt conveyor type. 2 The transport device 12 collects and transports it, and sends it to the receiving unit 11.

The soil in the receiving portion 11 is scraped off and lifted by a bucket type feeding device 13.
As shown in FIGS. 1 and 3, the feeding device 13 has a structure in which a large number of metal or resin buckets 13b are connected to an endless rubber belt 13a (corresponding to an endless rotating body). 13a is driven to rotate clockwise. The soil scraped off and lifted by each bucket 13b of the feeding device 13 is a belt conveyor type third transport device 1 that is repeatedly driven in the normal and reverse directions.
It is distributed to tanks 7 and 8 by 4 and sent.

As shown in FIGS. 1 and 4, the receiving portion 1
The bottom of No. 1 is formed in an arc shape along the passage of the tip of the bucket 13b of the feeding device 13. On the other hand, as shown in FIGS. 2, 3 and 4, in the bucket 13b of the feeding device 13, the tip of some of the buckets 13b is slightly wider than the lateral width of the bucket 13b, and the receiving portion 11
A scraping member 18 made of a rubber plate and having a lateral width substantially equal to the lateral width is fixed.

As will be described later, the feeding device 13 does not always operate, but it repeatedly operates and stops depending on the amount of soil in the tanks 7 and 8. Therefore, when the bucket 13b provided with the scraping member 18 passes through the receiving portion 11 while the feeding device 13 is operating, the scraping member 18 at the tip of the bucket 13b scrapes the soil at the bottom of the receiving portion 11. Take this soil and scrape it 1
8 is collected in the bucket 13b. Then, this soil passes through the feeding device 13 and the third transport device 14,
It is supplied to tanks 7 and 8.

As shown in FIG. 1, a contact type sensor 15 for detecting that the tanks 7 and 8 are filled with soil.
a, 16a, and contact-type sensors 15b, 16b for detecting that the soil in the tanks 7, 8 has decreased to a predetermined amount are provided, and the tank 7 can be used during the above-mentioned work.
Or when the 8 is full, the feeding device 13, the first, second,
The three transfer devices 10, 12, and 14 are configured to automatically stop. Then, when the soil in the tank 7 or 8 is reduced to a predetermined amount, the feeding device 13 and the first, second, third conveying devices 10, 12, 14 are automatically operated. In this case, a display lamp 17 is provided to indicate whether the feeding device 13 is in the operating state or in the stopped state.

It should be noted that reference numerals are added to the claims for convenience of comparison with the drawings, but the present invention is not limited to the structures of the accompanying drawings by the entry.

[Brief description of drawings]

FIG. 1 is a side view of a conveyor, a tank, and a feeding device in a seed plant.

FIG. 2 is a plan view of the lower end portion of the feeding device and the soil receiving portion.

FIG. 3 is a perspective view of the vicinity of a bucket provided with a scraping member in the feeding device.

FIG. 4 is a side view of the lower end portion of the feeding device and the vicinity of the soil receiving portion.

[Explanation of symbols]

 1 Transport Conveyor 2 Nursery Box 3,6 Soil Supply Device 7,8 Tank 9 Soil Storage Section 10 Transport Device 11 Receiving Section 13 Feeding Device 13a Endless Rotating Body of Feeding Device 13b Bucket of Feeding Device 18 Scraping Member

Claims (1)

Claims: 1. Tanks (7), (8) for temporarily storing floor soil or covering soil, and the tank (7) in a nursery box (2) sent on a conveyor (1). , (8), and soil receiving devices (3), (6) for storing the soil, and a receiving part (11) for receiving the soil transported by the transport device (10) from the soil storage part (9). ) And the soil in the receiving part (11) by scraping the tank (7), (8)
And a feeding device (13) for feeding the soil to a soil sowing structure of a sowing plant, wherein buckets (13b) for scraping and conveying soil are fixed to a plurality of positions of an endless rotating body (13a) which is rotationally driven. The feeding device (13) is configured by the above, and a scraping member (18) made of an elastic material for scraping the soil adhered to the bottom of the receiving portion (11) is provided at the tip of the bucket (13b). Soil supply structure of sowing plant.