JP3294669B2 - Seedling planting equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seedling having a sliding rail for slidably receiving a lower end of a seedling rest, and a seedling take-out opening through which a planting claw passes is formed in the sliding rail. The present invention relates to a structure of a planting device.

[0002]

2. Description of the Related Art In a seedling planting apparatus as described above, a mounting hole is formed in each flat surface of a seedling outlet guide and a seedling guide, and both the seedling outlet guide and the seedling guide are aligned with each other. There is a configuration in which a bolt is inserted into the mounting hole, and both flat surfaces are overlapped with each other, and the seedling outlet guide and the seedling guide are tightened and connected to the slide rail.

[0003]

In a seedling planting apparatus having a structure as described in the prior art, the seedling outlet guide may be worn during the planting operation. Need to be replaced. Further, in order to change the width of the seedling outlet, such as a mat-shaped seedling or a paper pot-shaped seedling, the seedling outlet guide may be replaced with a seedling outlet guide having a different shape. In this case, the sliding rail and the seedling guide, which are relatively large members, are used as they are, and the seedling outlet guide, which is a relatively small member, is often replaced.

However, as described in the prior art, the flat surfaces of both the seedling outlet guide and the seedling guide are overlapped, and the seedling outlet guide and the seedling guide are fastened and connected to the slide rail. In such a case, it may be difficult to determine the position of the seedling guide in the sliding direction of the seedling rest when the seedling outlet guide and the seedling guide are fastened and connected to the slide rail. According to the present invention, when replacing the seedling takeout guide in the seedling planting apparatus, the seedling takeout guide and the seedling guide are attached to the sliding rail while easily determining the position of the seedling guide in the sliding direction of the seedling rest. It is intended to be configured to be able to be connected by being tightened.

[0005]

A feature of the present invention resides in that the seedling planting apparatus is configured as follows. A sliding rail for slidably receiving the lower end of the seedling rest is formed with a seedling outlet through which the planting claws pass, and a seedling outlet guide attached to the edge of the seedling outlet, and a seedling outlet. A seedling guide extending downward along the movement path of the nail to prevent the seedling from spreading is provided. The seedling outlet guide and the seedling guide are jointly connected to the slide rail, and the seedling is placed. A positioning portion for determining the position of the seedling guide in the sliding direction of the table is provided on the seedling outlet guide.

[0006]

According to the first aspect of the present invention, since the positioning portion for determining the position of the seedling guide in the sliding direction of the seedling mounting table is provided in the seedling outlet guide, when the seedling outlet guide is replaced. The seedling outlet guide and the seedling guide can be jointly fastened and connected to the slide rail while easily determining the position of the seedling guide in the sliding direction of the seedling rest by the positioning part of the seedling outlet guide.

[0007]

According to the first aspect of the present invention, in a seedling planting apparatus provided with a seedling outlet guide and a seedling guide on a sliding rail, when the seedling outlet guide is replaced, the seedling rest slides in the sliding direction. While the position of the seedling guide is easily determined, the seedling outlet guide and the seedling guide can be jointly connected to the sliding rail, and the workability of the seedling planting apparatus can be improved.

[0008]

Embodiments will be described below with reference to the drawings. FIG.
Shows a seedling planting device. This seedling planting apparatus comprises six seedlings for placing seedlings to be planted thereon and reciprocally moving laterally with a constant stroke, and picking and planting seedlings one by one from the lower end of the seedling stand 1. It comprises a mechanism 2, and three leveling floats 3, etc., and is capable of lifting and lowering via a link mechanism 4 at the rear of a riding type traveling body (not shown) and rolling left and right around a longitudinal axis Y. They are freely connected.

As shown in FIG. 1, a feed case 6 is attached to a pivot boss 5 formed on a rear link 4a of the link mechanism 4 so as to be rotatable around a longitudinal axis Y. The main frame 7 in the form of a square pipe is bolted and connected. The main frame 7 extends in the lateral direction, and is formed by welding and connecting a pair of sheet metal members bent and formed in a U-shaped cross section at a mating surface portion. Three planting cases 9 are fixed to the rear surface of the main frame 7 at predetermined intervals in a cantilever manner toward the rear side. Power is transmitted to the feed case 6 from the traveling machine body via the power take-off shaft 8,
Power is transmitted to the planting mechanism 2 via the lateral drive shaft 10 and the planting case 9 arranged on the rear side and outside.

As shown in FIG. 1, the planting mechanism 2 is provided with a pair of planting claws 12 on a rotating case 11 supported so as to be rotated around the horizontal axis of a planting case 9 and a cam mechanism. (Not shown), the tip of the planting claw 12 draws an elliptical trajectory in a side view, and the seedlings of the seedling mounting base 1 are taken out from the seedling take-out opening 13 one by one and planted.

Next, the structure of the seedling take-out section will be described. As shown in FIGS. 2, 3, and 5, the slide rail 14 includes a square pipe-shaped frame portion 14a and a vertical surface portion 14b for receiving the seedlings extending integrally from the frame portion 14a. And the seedling rest 1 by the sliding rail 14.
Is configured to be slidably received at the lower end of the. A seedling take-out port 13 through which the planting claw 12 passes is formed on the sliding rail 14, and a seedling taking-out port guide 15 is attached along the edge of the seedling taking-out port 13. A seedling guide 16 for preventing the seedlings from spreading along extends below the seedling outlet 13.

As shown in FIGS. 6 and 7, the seedling outlet guide 15 is made of a metal material.
3 are arranged along the edge of the sliding rail 14 so as to prevent the sliding rail 14 from being damaged due to the shearing force caused by the cutting action of the seedling 12. Seedling outlet guide 15
A vertical plate-shaped opening forming portion 17 formed in a U-shape in plan view along the edge of the seedling taking-out opening 13, and a seedling taking-out opening 13 of the sliding rail 14 extending to the left and right sides of the opening forming portion 17.
And an L-shaped plate-like mounting portion 18 disposed along the lower side of the formation portion of the seedling removal port guide 15.
At the location, the mounting portion 18 of the seedling outlet guide 15 is bolted to the vertical surface portion 14b of the slide rail 14 to fix the seedling outlet guide 15.

As shown in FIGS. 6 and 7, the inner rear side surface 17a of the opening forming portion 17 of the seedling take-out guide 15 is supported in contact with one side surface of the frame portion 14a of the slide rail 14. The load at the time of removing the seedling by the planting claws 12 is received and supported. As shown in FIG. 2, in a state where the seedling outlet guide 15 is attached, the opening forming portion 17 of the seedling outlet guide 15 is provided.
An engagement projection 19 that engages the end of the inner rear side surface 17a to prevent the planting claw 12 from coming off in the picking direction of the seedling.
Are provided on the frame portion 14 a of the slide rail 14.

[0014] As shown in FIGS.
Seedling guides 16 are provided on both the left and right sides so as to guide the left and right sides of the seedling that is taken out and moved by 2.
The seedling guide 16 is formed by baking and coating a rubber material G on an outer peripheral portion of a plate-shaped core material 20 made of a steel material.
The seedling take-out guide 15 with respect to the sliding rail 14
It is comprised so that it may be jointly fastened with. Seedling Guide 1
The L-shaped attachment portion 16a of FIG. 6 is jointly connected to the attachment portion 18 of the seedling outlet guide 15 by bolts 21. At the mounting portion 17 of the seedling outlet guide 15,
A positioning engagement portion 22 into which the attachment portion 16a of the seedling guide 16 fits is formed, and is configured so that the seedling guide 16 can be easily attached. The mounting portion 16a of the seedling guide 16 has a configuration in which only an adhesive for rust prevention is applied without covering the rubber material.

As shown in FIG. 3 and FIG.
The mounting hole 23 is formed as a long hole along the lateral direction (the sliding direction of the seedling rest 1). This is because when the width H of the seedling take-out opening 13 is changed due to the difference in the type of seedling for planting, for example, the type of seedling such as a mat-shaped seedling and a paper pot-shaped seedling, the sliding rail 14 and the seedling guide 16 are used. The width H of the seedling outlet 13 is changed by exchanging the seedling outlet guide 15 while sharing the same, and the mounting position of the seedling guide 16 that is commonly used is slightly shifted laterally. To do that.

As shown in FIGS. 2, 3, 4, and 5, a guide plate 24 made of stainless steel is disposed along the rear edge of the left and right seedling guides 16, and the guide plate 24 is a seedling outlet guide. It is configured to be sandwiched and supported between the sliding rail 15 and the sliding rail 14. The upper end side of the guide plate 24 is folded back into a substantially V-shape in a side view to form a folded portion 24a of the guide plate 24. The folded portion 24a of the guide plate 24 is formed inside the opening forming portion 17 of the seedling outlet guide 15. Frame portion 1 of rear side surface 17a and sliding rail 14
An engaging hole 26 formed in a folded portion 24a of the guide plate 24 is formed in a projection 25 formed on the inner side surface 17a of the opening forming portion 17 of the seedling outlet guide 15, which is sandwiched between one side of the guide 4a. The edge of the folded portion 24 a of the guide plate 24 is engaged with the engagement protrusion 19 of the slide rail 14.
, So that the guide plate 24 is positioned and held.

In the claims, the reference numerals are used to facilitate comparison with the drawings, but the present invention is not limited to the configuration shown in the attached drawings.

[Brief description of the drawings]

FIG. 1 is an overall side view of a seedling planting apparatus.

FIG. 2 is a side view of a seedling outlet, a seedling outlet guide, and a vicinity of a seedling guide.

FIG. 3 is a plan view of a seedling outlet guide and a seedling guide.

FIG. 4 is an exploded perspective view of a seedling guide.

FIG. 5 is a rear view of the seedling outlet guide and the seedling guide.

FIG. 6 is a rear view showing an attached state of a seedling outlet guide.

FIG. 7 is a perspective view of a seedling outlet guide.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Seedling stand 12 Planting nail 13 Seedling take-out port 14 Sliding rail 15 Seedling take-out port guide 16 Seedling guide 22 Positioning part

Claims (1)

(57) [Claims] 1. A planting claw (12) passes through a slide rail (14) for slidably receiving a lower end portion of a seedling rest (1).
Seedling extraction opening (13) to be formed and attached to the edge of the seedling extraction opening (13)
And a transfer guide (15 ) for transferring the planting claws (12) from the seedling outlet (13).
Extends downward along the trajectory to prevent the seedling from spreading
A seedling guide ( 15) and a seedling guide (1).
6) is connected to the sliding rail (14) together with
In both cases, the seedling guide (1) moves in the sliding direction of the seedling rest (1).
The positioning section (22) for determining the position of 6) is mounted on the seedling collecting section.
A seedling planting device provided in the outlet guide (15) .