JP2571641B2 - Implanting device of transplanter - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a planting device for a transplanter for planting soild seedlings such as soil block seedlings and paper pot seedlings in a field.

(Prior Art) For example, as a transplanting machine, a traveling machine is provided with a seedling supply pot and a transplanting cylinder, and the transplanting cylinder has an upper opening shape and a lower end is configured to be freely openable and closable to the traveling machine. Attach freely, drop the seedlings from the seedling supply pot into the transplanting tube while running, lower the transplanting tube while holding the seedlings, enter the field, open the lower end of the transplanting tube, and transplant There is a type in which a soil seedling is planted in a planting hole formed by a tube. In addition, the transplanting cylinder is not shown in FIG.
If the trajectory is as shown in FIG. 3 (III), the planting posture of the seedling will be poor, which will adversely affect the growth of the seedling. Therefore, the trajectory of the transplant tube should follow the trajectory shown in FIG. 3 (II). Must be set.

(Problems to be Solved by the Invention) The transplanter is set so that the relationship between the transplant cylinder and the speed of the traveling body is not taken into consideration, and the transplant cylinder takes a trajectory as shown in FIG. 3 (II). It took a lot of effort to do so, and it was difficult to secure a proper planting posture.

Then, an object of the present invention is to provide a transplanting device of a transplanting machine which can easily secure a proper transplanting posture.

(Means for Solving the Problems) The technical means taken by the present invention to achieve the above object is to provide a transplant cylinder supported on a traveling body so as to be able to move up and down, and a swinging part is provided below the transplant cylinder. Equipped with a shutter that can be freely opened and closed back and forth from a pair of front and rear lids that are freely supported in the traveling direction, the transplant tube descends while holding the seedling with the shutter closed, and plunges the shutter into the field. ,
By opening the shutter after rushing and dropping the seedlings after dropping, the seedlings rise and move, so that the transplanting cylinder is moved in the direction opposite to the traveling direction of the traveling machine body, in which the seedlings are transplanted while running. A rotating body having a pushing member that pushes the transplantation tube in a direction opposite to the traveling direction of the traveling body is provided on the traveling body while supporting the traveling body through the supporting body so as to descend while the pushing member travels. The rotating body is configured to be rotationally driven so as to rotate at the same peripheral speed as the advancing speed of the body, and when the transplanting cylinder starts to ascend, the pushing by the pushing member is released, and the moving cylinder is raised. That is, a spring is provided.

(Operation) The seeded seedling is supplied to the transplanting tube 5 and held by the transplanting tube 5, and the transplanting tube 5 is held by the pushing member 3 provided on the rotating body 2 while the soiled seedling is held. In the opposite direction, it descends while being pushed at the same speed as the traveling speed, is pushed into the field, and the transplanted seedling is dropped and transplanted from the transplant tube 5 to the field. Therefore, the transplanting cylinder 5 is lowered at a relative speed O with respect to the field and is pushed into the field, so that the soild seedling is transplanted in an appropriate planting posture.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawing shown in FIG. FIG. 1 shows a planting device 1 of a transplanter for planting soild seedlings in a field. In the figure, an arrow A indicates the traveling direction of the transplanter.

Reference numeral 2 denotes a rotating body. A pushing member 3 constituted by a roller is rotatably provided at a position eccentric from the center, and a cam 4 is provided on the outer peripheral surface. The rotating body 2 is rotatably mounted on a traveling body of the transplanter, and is driven to rotate in the direction of arrow B so that the pushing member 3 rotates at the same peripheral speed as the speed of the transplanter. .

Reference numeral 5 denotes a movable cylinder having a pair of upper and lower cylinders 6 and 7, and a lower portion of the upper cylinder 6 is fitted in the lower cylinder 7. The lower ends of the parallel links 8 and 9 (support mechanisms) are pivotally connected to the upper cylindrical body 6, and the upper ends of the parallel links 8 and 9 are connected to the support 1 provided on the body side.
0, the parallel link 8 is urged forward by a spring 11, the parallel links 8, 9 are inclined rearward and upward, and the transplant tube 5 is in the opposite direction to the traveling direction of the traveling machine. It is supported so as to descend while moving. A rod 21 projects forward from the upper cylindrical body 6.
A contact plate 22 is provided at the tip of. Further, a support member 12 is fixed to the side of the upper cylinder 6, and a lower portion of the support member 12 is bifurcated.

A beak-shaped shutter 14 composed of a pair of front and rear lids 13 is disposed below the lower cylinder 7, and the lower end opening of the transplantation cylinder 5 is openably and closed. Each lid 13 is fixed to a support shaft 15 rotatably supported on the lower cylindrical body 7 about an axis, and upper ends of a pair of front and rear open / close links 16 are fixed to each support shaft 15, respectively. The lower end of each opening / closing link 16 is connected to the support member 12.
Are pivotally connected to the lower ends of the forked portions 12a through pivots 17, respectively. Further, a tension spring 18 is stretched between lower end portions of the front and rear opening / closing links 16, so that the shutter 14 is held in a closed state. Further, the lid 13 has a shutter
Stoppers 19a and 19b that contact the opening / closing link 16 when the shutter 14 is closed or open are provided, and an adjustment screw 20 for adjusting the opening amount of the shutter 14 is provided.

Guide rods 23 are arranged before and after the transplanting tube 5. The upper end of the guide rod 23 is fixed to the upper cylinder 6 side, and the guide rod 23 slides up and down on a slide bearing 24 provided on the lower cylinder 7. It is freely inserted and supported.

Reference numeral 25 denotes a roller that rolls on the outer peripheral surface of the rotating body 2 and is rotatably mounted on the upper end of a swing arm 26. The lower end of the swing arm 26 is rotatably supported on the machine body side via a support shaft 27. Is fixed to the cylindrical shaft 28. A pressing rod 29 is fixed to the cylindrical shaft 28 so as to protrude rearward and downward, and a rear portion of the pressing rod 29 can be brought into contact with an engaging member 30 provided on the lower cylindrical body 7. 5 is formed along the locus of the engaging member 30 due to the rearward and downward movement. The swing arm 26, the cylindrical shaft 28, or the pressing rod 29 is urged by a spring (not shown) so that the roller 25 contacts the rotating body 2.

In the above-described configuration, in the state shown in FIG. 1, the soild seedling is dropped and supplied from the seedling supply pot to the transplanting cylinder 5, and then the pushing member 3 having the same peripheral speed as the speed of the transplanting machine comes into contact with the abutment plate 22. As a result, the transplanting cylinder 5 is pushed at the same speed as the speed of the transplanting machine in the direction opposite to the traveling direction of the transplanting machine, and is moved backward and downward.
Therefore, the transplant tube 5 is moved downward at a relative speed O in the front-rear direction, and the shutter 14 is pushed into the field. Then, when the transplanting cylinder 5 reaches the vicinity of the lowermost position, the cam 4 provided on the rotating body 2 pushes the roller 25 backward, and the pushing rod 29 swings downward about the support shaft 27. Then, the engagement member 30 is pushed downward to move the lower cylinder 7 downward. As a result, the opening / closing link 16 is pivoted downward around the pivot 17 against the urging force of the spring 18, and the front lid 13 is moved forward around the support shaft 15 and the rear lid 13 is moved backward. The rocker swings, the shutter 14 is opened, and the soild seedling is dropped and transplanted into the planting hole formed by the transplanting tube 5. Next, the pushing member 3 is disengaged from the abutment plate 22, and the transplant tube 5 is pulled upward by the spring 11. At this time, the cam 4 is engaged with the roller 25, the shutter 14 is in the open state, and the shutter 14 of the transplanting tube 5 is separated from the soil in the field and reaches the uppermost position shown in FIG. The cam 4 is separated from the roller 25 and the shutter 14 is closed. Then, by repeating the above operation, the seedlings are planted in the field while the transplanter is advanced.

FIG. 2 shows a modified example of the rotating body 2, in which a plurality of mounting holes 32 for the roller 3 are formed in the radial direction, and the planting pitch of the soil seedlings can be changed. In this case, since the amount of vertical movement of the transplant tube 5 changes, the vertical mounting position of the support 10 and the mounting position of the cam 4 can be freely changed as appropriate.

(Effects of the Invention) According to the present invention, the moving cylinder is moved at the same speed as the traveling speed in the direction opposite to the traveling direction of the traveling aircraft by the pushing member rotated by the rotating body at the same peripheral speed as the traveling speed of the traveling aircraft. As it is pushed down and pushed down into the field, it is possible to easily secure the proper planting posture of the soild seedlings.

In addition, the transplanting cylinder descends in a substantially vertical direction, and the shutter at the bottom thereof enters the field, and after entering, the shutter opens by a pair of lids swinging back and forth in the traveling direction, so that the seedlings fall and release. The seedlings are released in a substantially vertical direction, and the planting posture is stabilized.

In addition, when the moving tube is lowered, the transplanting tube can be moved at a stable speed by the pushing member, whereby the seedling can be transferred to the field without tilting.

Further, when the ground trajectory of the moving cylinder at the time of ascending is in a direction inclined with respect to the vertical direction, if the transplanting cylinder is raised at a very low speed because of the traveling body, the transplanting cylinder will be moved immediately after transplantation. Hit (or hook) the leaves of the seedling
In some cases, however, in the present invention, the transplanting cylinder can be instantaneously raised by a spring force at the time of lifting,
As a result, the seedlings immediately after transplanting can be quickly raised without hitting the transplanting cylinder.

In addition, when the transplant tube is lowered, it can move at a stable speed, and when it is raised, it can be raised instantaneously.
This is advantageous when narrowing between stocks.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of the present invention, FIG. 2 is a side view showing a modification of the rotating body, and FIGS. 3 (I), (II) and (III) are explanatory views showing the trajectory of the transplantation cylinder. is there. DESCRIPTION OF SYMBOLS 1 ... Planting device, 2 ... Rotating body, 3 ... Pushing member, 5 ...
... Transplant tube, 8,9 ... Parallel link, A ... Progress direction of the transplanter.

 ──────────────────────────────────────────────────続 き Continuation of the front page (72) Katsumi Hori 76-17 Kidocho, Kawachinagano City, Osaka Prefecture (72) Kenkichi Nosaka 1-3-2 Kusumachi, Sakai City, Osaka Prefecture (56) References JP 61-209511 (JP, A)

Claims (1)

(57) [Claims] 1. A transplanting cylinder supported on a traveling machine so as to be able to move up and down, and a pair of lids, which are slidably supported in the traveling direction, are provided at the lower part of the transplanting cylinder so that they can be opened and closed back and forth. Equipped with a shutter, the transplanter descends while holding the soiled seedling with the shutter closed, makes the shutter rush into the field, opens the shutter after rushing, drops the soiled seedling, and runs by moving up In a transplanter that transplants soiled seedlings, while supporting the transplant cylinder via a support mechanism so as to descend while moving in a direction opposite to the traveling direction of the traveling machine,
The traveling body is provided with a rotating body having a pushing member for pushing the transplantation tube in a direction opposite to the traveling direction of the traveling body, and the rotation is performed so that the pushing member rotates at the same peripheral speed as the traveling speed of the traveling body. An implanting device for an implanting machine, wherein the implant is configured to rotate the body, and when the transplanting cylinder starts to ascend, the pushing by the pushing member is released and a spring for raising the transplanting cylinder is provided. .