JPH0637625Y2 - Transplanter seedling table device - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a seedling placing table device that can be applied to a transplanting machine such as a rice transplanter, and more specifically, it is provided on a partition frame of a reciprocating laterally moving seedling placing table and a scraper is slidably attached to the partition frame. The present invention relates to a seedling placing table device whose surface can be brought into sliding contact with a seedling receiving frame.

[Prior art]

In this type of rice transplanter, a long seedling receiving frame over the entire range of the lateral movement of the seedling placing table is fixed to the lower end of the slope of the seedling placing table on which the pine seedlings are placed. The sliding surface of the scraper provided in the partition frame for partitioning the mounting table into a plurality of parts is integrally moved laterally with the lateral movement of the seedling mounting table.

[Problems to be solved by the invention]

By the way, the scrapers are arranged opposite to each other with their sliding surfaces parallel to the inner surface of the seedling receiving frame, but if the spacing is wide, the scraper's ability to scrape off mud is reduced and the mating seedling contact surface is disturbed. There is a problem that the seedbed is disturbed and stumps occur due to this, and if the interval is narrow on the other hand, the function of scraping mud will be good, but on the other hand, soil and foreign matter mixed in the bed soil of pine seedlings will be removed. There was a problem that the sliding resistance increased due to the bite, and that the bitten soil caused scratches and early wear.

Especially, since the seedling receiving frame is extended over the moving range of the seedling placing table for accommodating the multi-row pine seedlings and becomes very long, it is difficult to keep the same interval for a plurality of scrapers over the entire length thereof. .

Further, for example, as disclosed in Japanese Utility Model Laid-Open No. 59-141320, it has been proposed to coat the guide portion of the seedling receiving frame with a fusso resin, but when the interval is narrow as described above, sand or foreign matter is caught. There was a drawback that the FUSOSO resin would peel off early.

Therefore, the present invention was devised in order to solve the above-mentioned conventional problems, and the seedling placing table of the transplanter is designed so that the sliding resistance does not increase even when the sliding contact surface of the scraper is close to the receiving frame. It is implemented for the purpose of providing a device.

[Means for solving problems]

Means for Solving the Problems The present invention for achieving the above-mentioned object is a transplanter in which a seedling receiving frame is fixed to the inclined lower end side of a reciprocating laterally moving seedling placing table, and the scraper made of a synthetic resin provided on the partition frame of the seedling placing table is slid onto the seedling receiving frame. The slidable contact surface that comes into contact with the protrusion is formed as a concave-convex surface with elastically deformable tips.

[Action]

Therefore, the sliding contact surface of the scraper 14 made of a synthetic resin provided on the partition frame 13 has a protrusion-depression uneven surface that allows the tip 15 to elastically deform and has a contact area. Since the number can be reduced, the tip of the protrusion 15 can be made to follow the seedling receiving frame 7 without a gap.

In addition, since the projection 15 having a low contact resistance slides on the seedling receiving frame 7, the sliding resistance can be reduced, and the earth and sand or foreign matter can be released to the concave portion 15a of the projection, so that the abrasion due to the foreign matter can be prevented.

Therefore, it is possible to solve the conventional problem that the scraper's scraping function of the mud due to the wide interval is reduced and the contact surface of the pine seedlings is disturbed, resulting in disturbance of the nursery and stunting.

〔Example〕

Hereinafter, the drawings showing the present invention as an embodiment will be described.

3 to 4, a walk-behind rice transplanter T includes an engine 1 arranged in the front, a transmission case 2 extending from a rear side of the engine 1 to a rear side and accommodating a transmission device, and a transmission case thereof. A pair of left and right swing cases 3 which are swingably supported at the rear ends about a shaft center O of a drive shaft (not shown) provided in the middle of the two, and are supported at the rear ends of the swing cases 3. A pair of right and left steering wheels 4, a steering handle 5 extending rearward and upward from the rear end of the transmission case 2, and a seedling placing table 6 arranged in front of the steering handle 5 and laterally reciprocating laterally. Has been done.

Further, the seedling receiving frame 7 fixed to the transmission case 7 for guiding and supporting the inclined lower end side of the seedling placing table 6, the planting claw 10 facing the seedling taking-out port 9 of the seedling receiving frame 7 from the front side, the planting claw 10
A planting rod 11 that operates along a predetermined planting locus is provided, and below the transmission case 2, a float 12 that extends long from the front to the rear and slides on the rice field is provided.

And, as shown in FIG. 4, on the seedling placing table 6 mentioned above,
Partitioning frames on the left and right sides of the pine seedlings (two in the drawing) (outside the figure) so that the left and right movement of the pine seedlings (not shown) can be restricted.
13 are provided respectively, and scrapers 14 each having a sliding contact surface for slidingly contacting the inner surface of the seedling receiving frame 7 are provided on the inclined lower end side of each partition frame 13.

As shown in FIG. 1 and FIG. 2, the seedling receiving frame 7 is made of an aluminum alloy material whose cross-section is extruded into a substantially L shape, and the bottom side 7b of the seedling receiving frame 7 slides the bottom lower portion 6a of the seedling placing table 6 into contact therewith. The bottom edge of the pine seedling is slidably supported by its rising side 7a, but the sliding surface of the scraper 14 slidingly contacting the seedling receiving frame 7 is formed along the cross section of the seedling receiving frame 7. At the same time, the sliding contact surface has elastically deformable projections 15
Are formed on a concavo-convex surface that is continuously formed over a plurality of steps.

Thus, by providing a saw blade on the sliding contact surface of the scraper 14, or a concave-convex surface having protrusions 15 that continue in a comb shape, elastic deformation of the tips of the protrusions 15 is allowed and the contact area can be reduced. The tip of the projection 15 can be made to follow the seedling receiving frame 7 without a gap. The projection 15 having a small sliding resistance can be slidably brought into contact with the seedling receiving frame 7 to reduce the sliding resistance, and the sediment or the foreign matter can be released to the concave portion 15a of the projection 15, so that the abrasion caused by the foreign matter can be prevented at the same time. can do.

The scraper 14 shown in FIG. 1 is of a type in which a sliding groove 16 sandwiching the upper part of the seedling receiving frame 7 is provided above the scraper 14, but the saw blade-shaped projection 15 according to the present invention is a base end of the scraper 14. Side 14a
The same applies to a scraper of a type in which each partition frame 13 is fixed with a bolt or the like, or a scraper of a type in which the scraper is pressed against the inner surface of the seedling receiving frame 7 by a spring provided in each partition frame 13. Produce the effect of.

[Effect of device]

As described above, according to the present invention, in the rice transplanter having the seedling receiving frame fixed to the inclined lower end of the reciprocating laterally moving seedling placing table, the seedling receiving frame of the scraper made of the synthetic resin provided in the partition frame of the seedling placing table is used. Since the sliding contact surface that comes into sliding contact with is formed into an uneven surface where the projection tip is elastically deformable, the sliding contact surface of the scraper made of synthetic resin provided on the partition frame is an uneven surface, so that Since elastic deformation is allowed and the contact area can be reduced, the protrusion can follow the seedling receiving frame without a gap, and yet
Sliding resistance can be reduced by the sliding contact of the projection having a small contact area with the seedling receiving frame, and the earth and sand or foreign matter can be released to the concave portion of the saw-toothed projection, so that abrasion due to the foreign matter can be prevented.

Therefore, as in the conventional case, the function of scraping mud by the scraper due to the wide interval is reduced, and the problem that the seedbed is disturbed and the stump occurs due to the contact surface of the pine seedling is disturbed, and the interval However, on the contrary, it is possible to solve the problems that the sliding resistance is increased by catching the sand and the foreign matter due to the narrow saw, and the scratches are easily caused to cause the early wear.

[Brief description of drawings]

The drawing shows one embodiment of the present invention, FIG. 1 is an enlarged vertical side view of the essential portion showing the relationship between the scraper and the seedling receiving frame, FIG. 2 is an enlarged perspective view of the scraper sliding surface, and FIG. FIG. 4 is an overall side view of the type rice transplanter, and FIG. 4 is an overall plan view of the walking type rice transplanter. 6 ... Seedling placement table, 7 ... Seedling receiving frame, 13 ... Dividing frame, 14 ...
Scraper, 15 ... Protrusion, 15a ... Recess, T ... Walk type rice transplanter.

Claims (1)

[Scope of utility model registration request] 1. In a transplanter in which a seedling receiving frame is fixed to a lower end of a slanting seedling placing table which reciprocates laterally, a sliding surface of a scraper made of a synthetic resin provided on a partition frame of the seedling placing stage slides on the seedling receiving frame. Is a seedling placing table device of a transplanting machine, in which the projection tip is formed on an uneven surface that is elastically deformable.