JPH11266620A - Implanting device of transplanter - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To smoothly open and close an opening / closing cup. SOLUTION: The transplanting device 2 of the transplanting machine including a traveling device 1 and a transplanting device 2 provided in the traveling device 1 is a seedling supply device 20, and a seedling removal device for extracting a seedling of the seedling supply device 20. 21 and a planting device 22 for receiving the seedlings from the take-out device 21 and planting the seedlings in a field. The planting device 22 comprises:
A planting tube 33 comprising an upper opening guide tube 60 for receiving the seedlings, and an opening / closing cup 38 provided at a lower outer peripheral area of the guide tube 60 so as to be openable and closable by a pair of front and rear pivots 63;
The pivot 63 is provided between the guide cylinder 60 and the opening / closing cup 38.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an implanting device for a transplanter.

[0002]

2. Description of the Related Art As this type of transplanter, for example, one described in Japanese Patent Application Laid-Open No. 10-4726 is known. This conventional transplanter comprises a traveling device and a transplant device provided in the traveling device, wherein the transplant device comprises a seedling supply device,
A seedling removal device that takes out the seedlings of the seedling supply device, and a planting device that receives the seedlings from the removal device and implants the seedlings in a field,
The planting device includes a planting tube comprising an upper opening guide tube for receiving seedlings, and an opening / closing cup provided on a lower outer peripheral area of the guide tube so as to be openable and closable by a pair of front and rear pivots. Was. The lower part of the pivot was closed with a connecting plate.

[0003]

In the prior art, since the lower part of the pivot portion of the planting tube is closed with a connecting plate, mud or the like is clogged in this portion, which hinders opening and closing of the opening / closing cup. It was something. Therefore, an object of the present invention is to provide an implanting device for a transplanter in which clogging of mud or the like in the pivot portion is eliminated.

[0004]

In order to achieve the above object, the present invention takes the following measures. That is, the present invention relates to a transplanting device including a traveling device and a transplanting device provided in the traveling device, wherein the transplanting device includes a seedling supply device, a seedling removal device that takes out the seedlings of the seedling supply device, A planting device for receiving the seedlings from the device and planting the same in a field, wherein the planting device is opened and closed by a pair of front and rear pivots at an upper opening guide tube for receiving the seedlings and a lower outer peripheral area of the guide tube. There is provided a planting cylinder comprising an openable and closable cup, and the pivot portion is provided between the guide cylinder and the openable and closable cup.

[0005] By adopting the above configuration, mud or the like hardly gets clogged in the pivot portion of the opening / closing cup, and the opening / closing operation of the opening / closing cup becomes smooth. In addition, the opening / closing cup is formed in an upper vertical wall portion and an inclined wall portion inclined toward the center side from the vertical wall portion in a side view, and an opening for inserting a scraper is provided in the vertical wall portion. Is preferred.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2, the transplanter includes a traveling device 1 and a transplanting device 2 provided in the traveling device 1. The traveling device 1 has a vehicle body 3, and an engine (not shown), a transmission case 4, and the like are attached to the vehicle body 3. The engine and the transmission case 4 are covered with a hood 5. A pair of left and right front wheel support shafts 6 are provided in the front part of the vehicle body 3 so as to protrude in the left and right direction. A front wheel arm 7 is provided on the support shaft 6, and a front wheel 8 is rotatable at the tip of the arm 7. It is supported by. A rear wheel support shaft 9 is provided from both left and right sides of the transmission case 4 so as to protrude in the left and right direction. A transmission case 10 is attached to the support shaft 9, and a rear wheel 11 is supported at a distal end of the transmission case 10. I have. A running power transmission shaft 12 is inserted through the shaft center of the rear wheel support shaft 9, and the power of the engine is transmitted from the transmission shaft 12 to the rear wheel 11 via the inside of a transmission case 10. .

The transmission case 10 is vertically swingable by the operation of a lifting cylinder 13. The movement of the elevating cylinder 13 is transmitted to the front wheel support shaft 6 via the interlocking link 14, the front wheel arm 7 also swings up and down, and the height of the front and rear wheels 8, 11 and the body 3 is adjustable. . In addition, the operation of the rolling cylinder 15 causes the left and right transmission cases 10 to swing in opposite directions, and this swing causes the left and right front wheel arms 7 to swing in opposite directions via the interlocking link 14 so that the vehicle body 3 is capable of rolling in the left-right direction. Further, the distance between the left and right front wheel arms 7 and the distance between the left and right transmission cases 10 can be freely adjusted so that the wheel distance can be adjusted.

A machine frame 16 extending rearward is fixed to an upper portion of a rear portion of the transmission case 4. A handle 17 is attached to the rear end of the machine frame 16. Further, a planting frame 18 is attached to the lower portion of the rear portion of the mission case 4 so as to extend rearward and swing vertically. The machine frame 16 and the planting frame 18
Is provided with the transplanting device 2.

[0009] The transplanting device 2 includes a ground leveling device 19 provided at a lower abdomen of the transmission case 4 and a machine frame 16.
A seedling supply device 20 provided on the rear portion and on the handle 17, a seedling removal device 21 provided on the machine frame 16 in front of the seedling supply device 20, and the planting below the seedling removal device 21. An implanting device 22 provided on the frame 18,
There is a pressure-reducing device 23 provided on the planting frame 18 behind the planting device 22.

The ground leveling device 19 includes a mission case 4
Bracket 2 provided on the lower abdomen so that it can swing up and down
4, and a leveling roller 25 is rotatably supported by the bracket 24. The leveling roller 25 is configured to roll on the top surface of the ridge. The seedling supply device 20,
There is a seedling table 26 for intermittently feeding a seedling tray containing a large number of pot seedlings (soiled seedlings) vertically and horizontally. The seedling mounting table 26 is arranged to be inclined upward toward the rear so that the seedlings can be taken out from the seedling tray.

The seedling removal device 21 is for taking out soiled seedlings one by one from the seedling tray and supplying the seedlings to the planting device 22, and includes a pair of left and right removal claws 27 that pierce the root pot of the seedlings. A claw support device 28 for supporting the claw 27 and a claw driving device 29 for moving the claw support device 28 are provided.
The pawl driving device 29 is fixed to the machine frame 16, and the power of the engine is transmitted from the transmission case 4 via the transmission shaft 30. A drive shaft 31 for driving the seedling supply device 20 protrudes from the claw drive device 29.

As shown in FIG. 3 to FIG.
2 is a planting cylinder 33 supported by the parallel link mechanism 32 and moving in an elliptical orbit that is long in the vertical direction and short in the front and rear direction.
Having. The planting cylinder 33 receives the seedling from the seedling removal device 21 at the top dead center, and implants the seedling in the ridge at the bottom dead center. The planting frame 18 is provided with a planting transmission 34 that swings the parallel link mechanism 32 to move the planting cylinder 33 in the elliptical orbit. The planting transmission device 34 includes an output shaft 35 provided concentrically on a pivot portion of the planting frame 18 and a planting frame 1.
8 and a crankshaft 36 supported by a chain via a sprocket. The output shaft 35 is driven by the power of the engine. Further, a pin 37 of the crankshaft 36 is connected to the parallel link mechanism 32 to swing the parallel link.

A lower portion of the planting cylinder 33 is an opening / closing cup 38 which can be opened and closed in the front-rear direction. The opening / closing cup 38 is opened / closed by an opening / closing mechanism (not shown). The machine frame 16 is provided with a scraper device for scraping off mud adhering to the inner and outer surfaces of the opening / closing cup 38. That is, a scraper arm 39 is provided on the machine frame 16 so as to be swingable in the front-rear direction in a hanging manner.
0 is protruded, and an inner scraper 41 and an outer scraper 42 are fixed to the lower end of the arm 39. These scrapers 41 and 42 are formed of elastic members. An opening 43 into which an inner scraper 41 is inserted is provided on the rear side of the opening / closing cup 38.
An inclined plate 44 that engages with the bearing 40 and swings the scraper arm 39 is protrudingly provided on the side surface.

After the seedling tube 33 receives the seedling at the top dead center, it descends and pierces the top surface of the ridge to drill a planting hole.
Opening and closing the opening / closing cup 38 by an opening / closing mechanism (not shown), the seedling is raised while leaving the seedlings in the planting holes. In the raising step, the inclined plate 44 is engaged with the bearing 40, and the arm 39 is swung to swing the inner surface Open the scraper 41 to the opening 43
From the opening and closing cup 38,
The soil attached to the inner surface of the opening and closing cup 38 is scraped off by the outer scraper 42 while the soil attached to the inner surface of the opening is scraped off.

The crushing device 23 includes the planting frame 1.
8 has a pressure-reducing wheel support frame 46 pivotally supported on a leg 45 projecting downward in the middle of the frame 8 so as to be vertically movable. Brackets 47 are provided on both left and right sides of the support frame 46 so that the position in the left and right directions can be adjusted. A crushing wheel support 48 is attached to the bracket 47 with a pair of left and right bolts 49, and the crushing wheel 5 shown as an example of a crushing member is attached to the support 48.
0 is rotatably supported. Left and right pair of compression wheels 50
Are arranged in a C-shape when viewed from the front,
By adjusting the bolt and the bolt 49, the inclination of the C-shaped arrangement can be adjusted freely.

As shown in FIG. 5, the compression ring 50 is arranged so as to roll on the ridge top surfaces on both the left and right sides of the planting hole 52, so that the upper part of the planting hole 52 is not collapsed and the planting hole 52 is collapsed. The inclination angle is adjusted so as to press the periphery of the planting hole so as to extrude and solidify the lower part of the plant. That is, the pressing direction line at the planting hole side end of the pressure suppression wheel 50 is inclined and disposed so as to pass outside the root pot portion 53 of the seedling stored in the planting hole 52.

When transplanting tobacco seedlings, the seedlings are planted with the planting holes 52 being deepened. By keeping the upper portion of the planting holes 52 from collapsing in this way, the growth of the seedlings is improved. At the rear of the machine frame 16, a pressure-reducing strength adjusting lever 54 is provided so as to be swingable in the front-rear direction.
The L-shaped link 55 pivotally supported by the rear portion of the machine frame 16 is connected by a spring 56, and the L-shaped link 55 is connected to the rear end of the planting frame 18. Therefore, the planting frame 18 is elastically supported by the machine frame 16 by the spring 56.

At the rear part of the planting frame 18, a planting depth adjusting lever 57 is pivotally supported so as to be able to swing up and down, and the swinging end of the lever 57 and the pressure-reducing wheel support frame 46 are connected. ing. By rotating the planting depth adjusting lever 57, the planting cylinder 3 supported by the planting frame 18 is rotated.
The relative height between 3 and compression wheel 50 is adjusted, and the depth of planting hole 52 is adjusted.

At the rear of the planting frame 18, a leveling roller adjusting lever 58 is provided, and a wire 59 is connected to the lever 58. The wire 59 is connected to the leveling bracket 24, and The ground pressure can be adjusted. FIGS. 6 to 8 show details of the planting tube 33, which comprises an upper guide tube 60 and a lower opening / closing cup 38. The parallel link of the parallel link mechanism 32 is connected to the guide cylinder 60. The inclined plate 44 is provided on the outer surface on the side opposite to the connecting portion of the parallel link. The upper opening of the guide tube 60 is positioned at the position where
The lower side surface is formed as an inclined surface 61 that is parallel to the seedling release direction of the extraction claw 27.

Further, as shown in FIG.
The peripheral surface of the upper opening is formed on an inclined surface 62 facing the center of the tube so as to guide the seedlings to the center. The opening / closing cup 38 is provided with a pivot 63 disposed before and after the guide cylinder 60.
Thereby, it can swing open and close by swinging back and forth. The pivot 63 is provided between the guide cylinder 60 and the opening / closing cup 38. The lower part is not shielded at all.

The opening / closing cup 38 is formed of an upper vertical wall 64 and an inclined wall 65 inclined toward the center from the vertical wall 64 in a side view.
4 is provided with an opening 43 for inserting the scraper. According to the planting cylinder 33 having the above-described configuration, the adhesion of mud or the like to the pivot 63 is prevented. Note that the present invention is not limited to the embodiments described above.

[0022]

According to the present invention, the obstruction of the opening / closing operation of the opening / closing cup is prevented.

[Brief description of the drawings]

FIG. 1 is a side view of an implanting machine showing an embodiment of the present invention.

FIG. 2 is a plan view of FIG. 1;

FIG. 3 is a side view of the implantation device.

FIG. 4 is a plan view of the implantation device.

FIG. 5 is a rear view of the implantation device.

FIG. 6 is a side view showing details of a planting tube.

FIG. 7 is a plan view of a planting tube.

FIG. 8 is a view taken in the direction of arrows AA in FIG. 6;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 traveling device 2 transplanting device 20 seedling supply device 21 seedling removal device 22 planting device 33 planting tube 38 opening / closing cup 43 opening 60 guide tube 63 pivotal support 64 vertical wall 65 inclined wall

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Nobuhide Yanagawa 64 Ishizu-Kitacho, Sakai-shi, Osaka Inside Kubota Sakai Works

Claims (2)

[Claims] The transplanting device of a transplanting machine comprising a traveling device and a transplanting device provided in the traveling device includes a seedling supply device, a seedling removal device for extracting seedlings of the seedling supply device, and the removal device. And a planting device for receiving the seedlings from the planting plant, and the planting device has an upper opening guide tube for receiving the seedlings,
An opening / closing cup provided on a lower outer peripheral area of the guide tube so as to be openable and closable by a pair of front and rear pivot portions, wherein the pivot portion is provided between the guide tube and the open / close cup; Planting equipment. 2. The opening / closing cup is formed in an upper vertical wall portion and an inclined wall portion inclined from the vertical wall portion to the center side in a side view, and the vertical wall portion has an opening for inserting a scraper. The implanting device for a transplanter according to claim 1, which is provided.