JPS583448Y2 - Planting machine for rice transplanter - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a planting machine for a rice transplanter, and more specifically, to a planting machine for a rice transplanter equipped with a separating claw and a planting fork.

A rice transplanter's rice transplanter takes out an appropriate number of seedlings from a seedling mat placed on a seedling stand and plants the seedlings in the field.The most well-known rice transplanters are: It consists of a separating claw that picks out individual plants from the seedling mat, and a planting fork that plants the seedlings picked up by the separating claw while pushing them into the field.

This planting fork is supported by a support rod so that it can move up and down relative to the separating claw, and the end of the support rod is housed in a cylinder, and along this cylinder, it is connected to the other drive system. It is designed to be driven linearly by the guided driving force.

Furthermore, a bellows seal is provided between the support rod and the inner wall of the cylinder to prevent mud from entering the cylinder, so that the support rod does not interfere with the expansion and contraction movement of the cylinder.

However, in such a planting machine, depending on the shape of the separation claw used to take out the seedling mat, the expansion and contraction of the bellows interferes with each planting operation, and the mat may be torn due to friction with the separation claw.

Therefore, the rice transplanter of this invention is intended to be equipped with a separating claw that does not interfere with the expansion and contraction movement of the bellows, and also allows the seedling mat to be taken out reliably. In a separation claw whose bottom shape is formed by bending a plate-like body into a gate-shaped cross section, the side plate of the part that contacts the bellows as a seal is expanded in the width direction to form a flange part, and this flange part increases the rigidity of the separation claw itself. It is characterized by an increase in

The configuration of this invention will be explained below with reference to the attached drawings.

In the figure, reference numeral 1 is the planting arm that constitutes the planting machine, and the support shaft 2
It is designed to perform a partial rotational movement around .

There is a cylinder 3 arranged substantially perpendicular to the tip of the planting arm 1, and a two-pronged planting fork 5 is attached to the lower end of a support rod that reciprocates in the axial direction inside the cylinder 3. The seedlings taken out can be planted in the field by pressing down on the upper part of the bed using separation claws 6, which will be described later.

The support rod 4 that supports this planting fork 5 reciprocates within the cylinder 3, and so that this reciprocation is always performed smoothly, there is a space between the lower end periphery of the cylinder 3 and the periphery of the support rod 4. A bellows 6 having a sealing function is attached to the cylinder 3, and this bellows 6 prevents mud from the field from entering into the cylinder 3.

The bellows 6 has a conical shape, with the end on the cylinder 3 side being a large diameter part 6a and the end on the support rod 4 side being a small diameter part 6b. It is designed to expand.

A separating claw 10 is fixed to the seedling loading case of the cylinder 3 with screws 7, and the structure is such that the seedlings taken out by the separating claw 10 are held by the separating claw.

That is, the separating claw 10 has a cross-sectional shape formed by bending a plate-like body into a substantially gate shape, and the mounting end 11 of the separating claw 10 has a shape that matches the mounting seat 3a provided on the cylinder 3.

The lower end from this mounting end 11 is a claw part 12,
The separation claw 10 is gate-shaped in cross section as a whole, and side plates 10b are located on both sides of a front plate 10a facing the seedling stand.

In the claw part 12, the width dimension of the front plate 10a is reduced, and the bifurcated extraction blade edge 1 formed at the lower end of the claw part 12
2. In the part 2a, the width dimension is slightly expanded, although not at the mounting end 11.

Furthermore, the width of the side plate of the claw part 12 increases toward the lower end, and a take-out side blade edge 1 suitable for taking out is provided at the lower end.
2b is formed, and the seedling k taken out by the pine seedling m is held between the side plates of the claw part 12.

The overall width dimension has been reduced from the attachment end 11 of the separation claw 10 to the claw plate 12, and the distance between the side plates 10b has become smaller. 10, the large diameter part of the bellows 6 will come into contact with the side plate 10b, interfere with it during the expansion and contraction movement, and be torn by friction. The flange portion 13 is formed by expanding the end edge outward in the width direction.

This flange part 13 prevents interference during the expansion and contraction movement of the bellows 6 attached to the lower end of the cylinder 3, so it is curved along the outer circumferential shape of the bellows 6, and this flange part 13 reduces the resistance when taking out seedlings. This prevents deformation of the claw portion 12 due to

Such a planting machine is arranged opposite to the seedling receiving plate 8 of the seedling mounting table 7, and has a rubber guide 8a formed in the seedling receiving plate 8 for taking out the seedling.
One seedling k can be taken out from the seedling mat m on the seedling platform 7 along the line.

Since the rice transplanter according to this invention has the above-mentioned configuration, when the seedling mat m takes out the collected seedlings k, the claw part 12 of the separation claw 10 cuts into the seedling pine m). The upper part of the bed of the seedling is held in the space surrounded by the extraction blade edge 12a and the extraction side blade edges 12b, 12b, and when it descends to the field surface, the planting fork 5 pushes out the upper part of the bed of the seedling. This is done by planting it in the soil.

In this operation, the planting fork 5 is lowered by the extension of the support rod 4, and the bellows 6 is also extended as the support rod 4 is extended.

The extension of the bellows 6 is carried out along the internal space of the separation claw 10, and the side plate 10b that forms this space has its open end expanded outward from the mounting end 11 to the claw part 12, and forms a flange part 13. , so it does not interfere with the extension of the bellows.

As is clear from the above explanation, according to the rice transplanter of this invention, the separating claw for removing seedlings from the seedling mat has a gate-shaped cross section, and from the mounting end to the claw, Since the open edge of the face plate is expanded outward in the width direction of the separation claw to form a flange, there is no interference due to contact between the supporting rod, which has the planting fork attached to the lower end, and the outer periphery of the bellows used for sealing between the cylinder. It is possible to reliably prevent this, and it is also possible to increase the rigidity of the separating claw.

[Brief explanation of drawings]

Figure 1 is a side view of the planting machine, Figure 2 is a partially enlarged side view,
3 is a sectional view taken along the line III-III in FIG. 2, FIG. 4 is a front view of the separation claw, FIG. 5 is a side view, and FIG. 6 is a bottom view. 10...Separation claw, 11...Mounting end,
12...Claw part, 12a...Take-out blade edge,
12b...Blade edge on extraction side, 13...Fufunji.

Claims (1)

[Scope of utility model registration request] In a rice transplanter rice transplanter equipped with a separating claw that takes out the seedling mat into an appropriate number of plants, and a planting fork that pushes out the seedlings taken out by the separating claws from the separating claw and plants them in the field, A support rod supporting the fork is fitted into the cylinder, and has a substantially conical bellows with a sealing function attached to the mating end of the support rod and the cylinder, and the separating claw is attached to the cylinder. It is attached to the right side of the seedling holder, and has a roughly gate-shaped cross-section, with a portion of the bellows being accommodated in the internal space, and the bellows are attached to the open edges of both side plates forming separation claws. A rice transplanter for a rice transplanter, characterized in that a flange part is formed that expands in the width direction corresponding to the maximum diameter part of the bellows so as not to interfere with the bellows.