JPH064663Y2 - Seedling box seeding equipment - Google Patents

Description

[Detailed Description of the Invention] (a) Field of Industrial Use The present invention relates to a seedling box seeding device for precisely seeding a certain amount of paddy in a seedling box for growing a seedling mat used as a seedling to be planted in a rice transplanter. It is a thing.

(B) Conventional technology Conventionally, as a belt-type seeder, the actual type of machine was found to be Sho 60-17.
Technologies such as Japanese Patent No. 9126 and Japanese Patent Publication No. 38-26914 are known.

(C) Problems to be solved by the invention The purpose of the present invention is to stop the seeding work in the middle because the seedling clutch device is not provided in the conventional belt type seedling box seeding device. In order to stop the sowing work, the shutter of the hopper 12 was closed or the motor was stopped each time.

In addition, since only the drive by the motor has been possible in the past, the seeding belt always rotates at a constant speed, and depending on the type and condition of the paddy, the paddy does not fit exactly into the paddy holding hole at that speed. There is.

In such a case, it is desired that the seeding can be performed at a low speed, but it is considerably expensive in price to attach the transmission.

In the present invention, a manual seeding handle can also be attached, and the seeding can be performed at low speed.

(D) Means for Solving the Problems The object of the present invention is as described above, and the configuration for achieving the object will be described below.

A paddy holding hole 9a is opened on the outer surface of the seeding belt 9 which is wound around the main roller 5, the opening roller 27, and the tension roller 26 to rotate, and the paddy A is fitted into the paddy holding hole 9a to bring about close contact elasticity. In a configuration in which the sheet is sandwiched between the plate 15 and conveyed to the release roller 27, and the state where the release roller 27 and the contact elastic plate 15 are sandwiched is dropped onto the seeding floor surface of the seedling box 28. Roller shaft 2
And a drive motor 6 for forcibly moving the seedling box 28, and between the drive motor 6 and the main roller shaft 2,
The seeding clutch body 1 is provided, and the manual seeding handle 7 can be mounted side by side with the drive motor 6, and the drive motor 6
Instead, it can be driven by a manual seeding handle 7.

(E) Configuration of Embodiment The purpose and configuration of the present invention are as described above. Next, the configuration of the embodiment shown in the accompanying drawings will be described.

FIG. 1 is a right side view of the seedling box seeding device of the present invention, FIG. 2 is a left side view, FIG. 3 is a left side sectional view of the same, FIG. 4 is a front sectional view, and FIG. A sectional view and FIG. 6 are sectional views of the seeding clutch body 1 portion which is the main part of the present invention.

The seedling box seeding device of the present invention is supported and configured on the left and right frame rails F. A large number of rail rollers 10 are arranged between the frame rails F at regular intervals,
The rail roller 10 is also driven by the drive motor 6.

The structure of the belt type seedling box seeding device of the present invention will be described along the drive path from the drive motor 6.

The drive motor 6 is fixed to the right side plate of the side plates of the seedling box seeding device. The motor shaft 6a of the drive motor 6
The sprocket wheels 21 and 22 are fixedly installed. Of the two sprockets, 22 is a sprocket that drives the rail roller 10, and 21 is a drive that drives the seeding belt 9.

The chain 19 wound around the sprocket 22 is a pivot shaft 8 for repairing and inspecting the lower part of the seedling box seeding device.
It is wound around the sprocket 23. The rotating pivot shaft 8
Also serves as a manual drive shaft for mounting the manual seeding handle 7, which is an essential part of the present invention.

Further, a chain 20 is wound around another sprocket 24 fixedly mounted on the pivot shaft 8, and the chain 20 drives the sprocket 25 of the rail roller shaft 10a. The rail 20 is driven by the chain 20. Chains are wound around the rail roller shafts 10a to the other rail rollers 11 ..., and the rail rollers are forcibly driven.

A seedling box 28 is placed on the rail rollers 10 and 11, and the seedling box 28 is moved below the seeding belt 9 as the drive motor 6 rotates. Then, the seedling box 28 that has finished sowing is sent to the take-out side.

Next, the drive system of the seed belt 9 from the other sprockets 21 on the drive motor shaft 6a will be described.

As shown in FIG. 1, a chain 18 backed by a sprocket 21 rotates a loose fitting sprocket 3 loosely fitted on a main roller shaft 2 of a main roller 5.
The chain 18 is also wound around the lower sprocket 17, and the sprocket 17 allows the release roller 2
The shaft 29 of No. 7 is driven. The other end of the opening roller 27 projects from the left side plate, and as shown in FIG.
The pulley 34 is fixed.

The round belt 33 wound around the pulley 34 drives the pulley 35 of the upper rotary scraping brush 14.

A tension roller 26 is arranged in addition to the main roller 5 and the opening roller 27, and the seeding belt 9 is tensioned from the inside by the three rollers.

The upper surface between the tension roller 26 and the main roller 5 is configured as an intake portion for the paddy A into the paddy holding hole 9a. The opening of the hopper 12 is arranged in this portion.
In the hopper 12, the paddy A forming the angle of repose enters the paddy holding hole 9a. Then, a certain amount or more of the paddy A is scraped off by the scraping brush 13, and further the rotary scraping brush 14 arranged so as to face the main roller 5.
It is scraped off by.

Then, the seeding belt 9 is rotated to the back surface in a state where the paddy A is held in the paddy holding hole 9a, but the contact elastic plate 15 is abutted so that the paddy A does not drop on the back surface. ing.

The paddy A which is sandwiched between the paddy holding hole 9a of the seeding belt 9 and the contact elastic plate 15 and descends is the opening roller 27, and the paddy holding hole 9a is widened by an abacus ball-shaped roller, and The paddy drops on the seedling box 28.

As shown in FIG. 5, in this configuration, the drive motor 6 is provided, and the manual seeding handle 7 can be mounted on the rotary pivot shaft 8.

That is, it may be driven by the drive motor 6, or the manual seeding handle 7 may be separately fitted to the rotary pivot shaft 8 and the seeding may be performed while slowly rotating manually. As a result, precise seeding can be performed as compared with the case where seeding is performed at high speed by the drive motor 6.

According to the present invention, as shown in FIG. 6, the power between the main roller shaft 2 and the main roller 5 is set so that the seeding work can be stopped while the drive motor 6 is still rotating. The seeding clutch body 1 capable of connecting and disconnecting is provided.

That is, the loose fitting sprocket 3 is mounted on the main roller shaft 2.
The sprocket 3 is loosely fitted, and the power between the main roller shaft 2 and the sprocket 3 is cut off when the seeding clutch body 1 is in the release position.

The state shown by the solid line in FIG. 6 is the disengaged position of the seeding clutch body 1. When the seeding clutch body 1 is moved from this state to the position indicated by the alternate long and two short dashes line, the locking projection 1a of the seeding clutch body 1 is fitted into the locking hole of the loose fitting sprocket 3 and the main roller shaft 2 is locked. The pin 4 is fitted in the locking hole 1b of the seeding clutch body 1 to transmit power between the main roller shaft 2 and the loose fitting sprocket 3. Reference numeral 2a is a biasing spring that biases the seeding clutch body 1 in the direction of power connection.

(F) Effect of the Invention Since the present invention is configured as described above, it has the following effects.

First, by providing the seeding clutch body 1, the seeding clutch body 1 is disengaged when the seeding clutch body 1 is not seeded, and the drive motor 6
The burden on the user can be reduced. By this operation, the power consumption of the drive motor 6 can be reduced.

Secondly, by providing the seeding clutch body 1 equally,
In the middle of the sowing work, the seeding device is stopped, only the soil putting device is driven, only the soil putting work to the seedling box 28 is performed, and then the seeding device is driven to sow and cover the soil continuously. It can be done in a targeted manner.

Thirdly, by providing the rotary pivot shaft 8 with the manual seeding handle 7, seeding can be carried out more slowly than when driven by the drive motor 6, so that the seeding accuracy can be improved, and the seedling box 28 has no gap in the seedling box 28. By reducing the part of the paddy and thinly planting it, it is possible to make healthy seedlings.

[Brief description of drawings]

Fig. 1 is a right side view of the seedling box seeding device of the present invention, Fig. 2 is a left side view, Fig. 3 is a left side sectional view of the same, Fig. 4 is a front sectional view, and Fig. 5 is another portion. FIG. 6 is a sectional view of the front part of the seeding clutch body 1 which is a main part of the present invention. A ... Paddy 1 ... Seeding clutch body 2 ... Main roller shaft 3 ... Free fitting sprocket 4 ... Locking pin 5 ... Main roller 6 ... Drive motor 7 ... Manual seeding handle 8 ... Rotating pivot shaft 9 ... Seeding belt 10 ... Rail Roller 27 ... Release roller 28 ... Seedling

Claims (1)

[Scope of utility model registration request] 1. A paddy holding hole 9a is opened on the outer surface of a seeding belt 9 which is wound around a main roller 5, an open roller 27 and a tension roller 26 and rotates, and a paddy A is placed in the paddy holding hole 9a. By inserting it, sandwiching it between the contact elastic plate 15 and conveying it to the open roller 27, and releasing the sandwiched state with the contact elastic plate 15 at the part of the open roller 27,
In a configuration in which the seedling box 28 is dropped onto the seeding floor surface, a drive motor 6 for driving the main roller shaft 2 and forcibly moving the seedling box 28 is provided, and a seeding clutch is provided between the drive motor 6 and the main roller shaft 2. A seedling box seeding device, characterized in that a body 1 is provided, a manual seeding handle 7 can be mounted side by side with the drive motor 6, and the manual seeding handle 7 can be driven instead of the drive motor 6.