JPH0829A - Seedling planting equipment - Google Patents

Abstract

(57) [Summary] [Purpose] The seedlings on the mat placed on the seedling placing table are vibrated so that they can slide down securely so that no stumps will occur during planting. [Structure] The seedling placing table 11 on which the seedlings are arranged in an inclined manner is supported by the seedling placing table support portion so as to be movable in the left-right direction
Vibration is applied to the seedling placing table 11 by the vibrating device 20 so that the seedlings can be eliminated from the seedling placing table 11 by scraping and planting. Further, the presence or absence of seedlings placed on the seedling placing table 11 is detected by the upper and lower seedling sensing means 26 and 27 provided at the upper and lower positions of the seedling placing table 11, and the upper and lower seedling sensing means 26 and 27 place the seedlings. When it is detected that the seedlings are caught on the table 11, the vibrating device 20 is operated to slide the seedlings along the seedling mounting table 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling planting device, and more particularly to a seedling planting device for surely supplying seedlings on a seedling mounting table to a planting section.

[0002]

2. Description of the Related Art Generally, a seedling planting device comprises an apron and a slide piece for movably supporting the seedling placing base in the left and right direction, a lateral feeding device for moving the seedling placing base in the left and right direction, and a mat seedling for seedling planting. It is equipped with a vertical feed belt for supplying seedlings to the lower end of the seedling placing table so that the seedlings can be scraped off by a nail.

By the way, the seedling planting apparatus has a long seedling placing table on which a large amount of seedlings can be placed at once so that seedlings do not need to be replenished frequently. Such a long seedling mounting base is mainly mounted on a rice transplanter for riding, and the seedling mounting base is arranged so as to be inclined forward.

[0004]

The seedling placing table in such a conventional seedling planting apparatus is not formed with the same inclination angle over the entire length thereof, and the inclination angle on the upper side is gentle and the angle is downward. Since the inclination angle is steeper, the seedlings on the upper side of the seedling stand are not slippery,
There is a problem that the seedlings get caught on the seedling mounting table.

Moreover, since the rotary type planting part has little vibration, there is a problem that the seedlings on the seedling placing table are not slippery and the plant can be out of stock at the time of planting.

The present invention has been made in order to solve the above problems, and vibrates the seedling placing table to surely slide down the mat seedlings placed on the placing table so that the mat seedlings are planted. An object of the present invention is to provide a seedling planting device that prevents a stockout.

[0007]

In order to achieve the above object, therefore, in the seedling planting apparatus according to the present invention, a seedling placing table (11) for placing the seedlings in an inclined state and the seedling placing table (1
1) A seedling table supporting part (17) for movably supporting in the left-right direction, and a planting part (15) for scraping and planting seedlings from the seedling table (11). It is characterized in that it is equipped with a vibrating device (20) that is attached to the seedling placing table (11) or the seedling placing table support part (17) and applies vibration to the seedling placing table (11).

Preferably, upper and lower seedling sensing means (26, 27) for detecting the presence or absence of seedlings are provided on the seedling placing table (11) at intervals in the vertical direction, and the upper and lower seedling sensing means (26, 2).
By 7), it is detected that the seedlings on the seedling placing table (11) are caught and the vibrating device (20) is operated.

[0009]

Based on the above structure, the seedling placing table (11) for slanting the seedlings is supported by the seedling placing table support part (17) connected to the fixing member (16) so as to be movable in the left-right direction. Vibration is applied to the seedling placing table (11) by the vibrating device (20) so as to eliminate the missing strain when the seedlings are scraped and planted from the seedling placing table (11).

Furthermore, the presence or absence of seedlings placed on the seedling placing table (11) is detected by upper and lower seedling sensing means (26, 27) provided on the seedling placing table (11) at intervals in the vertical direction, When the upper and lower seedling sensing means (26, 27) detect that the seedlings are caught on the seedling placing table (11), the vibrating device (20) is operated to slide the seedlings along the seedling placing table (11). I will let you.

The above-mentioned reference numerals in parentheses are for comparing the drawings and do not limit the structure of the present invention.

[0012]

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

1 to 5 are views showing a first embodiment of the present invention. As shown in FIG. 1, a riding rice transplanter 1 as a transplanter is provided with a traveling machine body 2 on the front side thereof, and behind the traveling machine body 2 is a lifter 3 of a link mechanism driven by a hydraulic actuator (not shown). The seedling planting device 5 is installed. The seedling planting device 5 is configured so that power is transmitted from the traveling machine body 2.

The traveling machine body 2 is supported by front wheels 6 and rear wheels 7, and an engine section 10 is mounted in front of a driver's seat 9 of the traveling machine body 2. In addition, the seedling planting device 5 is provided with a long seedling placing table 11 on the upper part thereof,
The float 12 is arranged at the bottom, and the seedling stand 11
The scraper 13 is provided in the float 12, and the rotary type planting part 15 is provided in the float 12. Further, the seedling placing table 11 is placed on an apron 17 which is a seedling placing table supporting portion connected to the fixing member 16 so as to be movable in the left-right direction. Then, a mat seedling (not shown) is placed on the seedling placing table 11, and a planting rod (not shown) that operates when power from the engine unit 10 is transmitted to the rotary planting unit 15. No) is provided.

Next, the seedling placing table 11 will be described with reference to FIGS. 2 and 3.

The seedling placing bases 11 are arranged so as to be inclined toward the front of the traveling machine body 2. The front of each seedling placing base 11 has a seedling restrainer 19a in the center thereof and a seedling stopper 19b at the lower portion thereof.
Are installed respectively. Further, a vibrating device 20 for vibrating the seedling placing table 11 is attached to the seedling placing table 11 at a rate of one per two rows, and a seedling stopper 19b is provided on the lower portion of the underside.
A vertical feed belt 21 is mounted to convey the mat seedlings that have slid down to the lower end of the seedling stand 11.

As shown in FIGS. 4 and 5, the vibration device 20 is attached to a motor 22 that operates in synchronization with the instruction of the engine section 10 and a rotary shaft 22a of the motor 22 to rotate the motor. The rotating pulley 2 that is eccentrically rotated by the eccentric rotation and transmits the vibration force accompanying the eccentric rotation to the seedling placing table 11.
3, the motor 22 and the rotary pulley 23 are housed in a case 25.

Next, the operation will be described.

When the engine section 10 of the riding rice transplanter 1 is started in a state where the mat seedlings are placed on the seedling placing table 11 which is inclined, the motor 22 operates in synchronization with this and the rotary pulley 23 is rotated. Eccentric rotation. Due to the eccentric rotation of the rotary pulley 23, vibration is applied to the seedling placing table 11, and the mat seedling slides along the seedling placing table 11. When the mat seedlings slide down to the lower end of the seedling stand 11, the mat seedlings are
It is conveyed to the lower end side of the seedling stand 11 by the vertical feed belt 21. Then, the power is transmitted to the rotary type planting section 15 to operate the planting rod to sequentially scrape off the seedlings from the mat seedlings to plant the seedlings.

Since the long seedling placing table 11 on which the mat seedlings are placed is vibrated by the vibrating device 20, the mat seedlings are caught in the middle of the seedling placing table 11 during the seedling planting operation. Prevented from slipping out and causing stockouts.

Next, a second embodiment of the present invention will be described with reference to FIGS. 6 and 7.

In the above-described first embodiment, the engine section 10 of the riding rice transplanter 1 is started, and the motor 22 is synchronized with this.
Is operated so that the seedling placing table 11 is constantly vibrated by the eccentric rotation of the rotary pulley 23. However, when the seedling placing table 11 is vibrated constantly in this way, the seedling placing table 11 is matted. The seedling may buckle while it slides down.

The second embodiment is designed to prevent this. That is, the seedling placing table 11 is not constantly vibrated, and when a plurality of mat seedlings placed on the seedling placing table 11 are caught on the way of sliding along the seedling placing table 11, this is detected and the seedling is detected. The table 11 is vibrated so that mat seedlings can be supplied without a gap.
Are arranged at a rate of one per two rows.

In FIG. 6, a seedling sensing switch 26, which is a seedling sensing means, is provided near the upper end position of the vertical feed belt 21 provided on each row of the seedling placing table 11, and further from this seedling sensing switch 26. A seedling sensing switch 27, which is a seedling sensing means, is provided on the upper side of one mat seedling. Then, the seedling detection switch 26 on the lower side drives the motor 22 of the vibrating device 20, and the seedling detection switch 27 on the upper side activates the seedling cutting alarm device 29 which is a seedling cutting warning means. The seedling sensing switch 26 is a normally closed switch, and the seedling sensing switch 27 is a changeover switch. As shown in FIG. 7, the control circuit for operating the motor 22 and the seedling outage alarm device 29 is one in which the seedling sensing switch 26 and the seedling sensing switch 27 are connected in series. The motor 22 is connected to one fixed contact 27a, and the seedling cutting alarm 29 is connected to the other fixed contact 27b. The lower seedling sensing switch 26 for two rows is connected in parallel to one motor 22, and the upper seedling sensing switch 27 for two rows is connected in parallel to one seedling cutting alarm 29. There is.

During the work of planting the mat seedlings placed on the seedling placing table 11, for example, the mat seedlings are caught by the seedling restrainer 19a, and the upper seedling detection switch 27 confirms the existence of the mat seedlings. Although it is connected to one fixed contact 27a, the seedling detection switch 26, which has been in the OFF state due to the presence of the mat seedling, is turned on because it is not conveyed to the position of the vertical feed belt 21. When the state is detected, the electric power is supplied to the motor 22, and the motor 22 is driven. As a result, the rotary pulley 23 is eccentrically rotated to vibrate the seedling placing table 11, and the mat seedlings caught on the seedling placing table 11 slide down. And again, the seedling detection switch 2 on the lower side
Since 6 is turned off, the vibration of the seedling stand 11 is stopped. After that, when the mat seedlings are planted and the mat seedlings disappear from the seedling placing table 11, the upper seedling detection switch 27 is connected to the other fixed contact 27b, and the lower seedling detection switch 26 is turned on. As a result, the seedling run-out alarm device 29 is activated and, for example, the lamp is turned on.

In the above embodiment, the vibrating device 20 is used to slide down the mat seedlings caught on the seedling placing table 11.
Was attached to the upper end of the seedling placing table 11, but it may be attached to, for example, the upper slide piece portion which is the seedling placing table supporting portion as long as the seedling placing table 11 is reliably vibrated.

[0027]

As is apparent from the above description, according to the present invention, the seedling placing table on which the seedlings are inclined is supported by the seedling placing table support portion connected to the fixing member so as to be movable in the left and right directions. Since the vibration is applied to the seedling placing table by the vibration device, when the seedlings are scraped from the seedling placing table and planted, the seedling placed on the seedling placing table surely slides down, and It is possible to eliminate the stockout.

Furthermore, the presence or absence of seedlings placed on the seedling placing table is detected by the upper and lower seedling sensing means, and the upper and lower seedling sensing means
When it is detected that the seedlings are caught on the seedling placing table, the vibrating device is operated to slide the seedlings along the seedling placing table, so that the seedling placing table can be vibrated except when necessary. Therefore, the seedling will not be damaged.

[Brief description of drawings]

FIG. 1 is a side view showing an entire transplanter to which the present invention is applied.

FIG. 2 is a front view showing a first embodiment of a seedling planting device according to the present invention.

FIG. 3 is a side view of the above.

FIG. 4 is a partially cutaway perspective view showing a vibrating device mounted on the seedling placing table.

5A and 5B are views showing a motor to which the above rotary pulley is attached, wherein FIG. 5A is a front view thereof, and FIG. 5B is a side view thereof.

FIG. 6 is a front view showing a second embodiment of the seedling planting device according to the present invention.

FIG. 7 is a circuit diagram showing a control circuit of the above.

[Explanation of symbols]

 11 Seedling platform 15 Planting section 17 Seedling platform support 20 Control device 26 Seedling sensing means (seedling sensing switch) 27 Seedling sensing means (seedling sensing switch)

Claims (2)

[Claims] 1. A seedling placing platform for placing the seedlings in an inclined state, a seedling placing platform support portion for movably supporting the seedling placing platform in the left-right direction, and scraping and planting the seedlings from the seedling placing platform. A seedling planting device having a planting section, comprising a vibrating device that is attached to the seedling platform or the seedling platform supporting unit and applies vibration to the seedling platform. 2. The seedling mounting table is provided with upper and lower seedling sensing means for detecting the presence or absence of seedlings at intervals in the vertical direction, and the upper and lower seedling sensing means detects that the seedlings on the seedling mounting stand are caught. The seedling planting device according to claim 1, wherein the vibration device is detected and actuated.