JP2918409B2 - Transplant machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transplanter for successively transplanting soiled seedlings into ridges while running.

[0002]

2. Description of the Related Art A field transplanter for transplanting pot seedlings (planted seedlings) such as vegetables is a seedling having a large number of pots vertically and horizontally as disclosed in Japanese Patent Publication No. 57-22282. The boxes are loaded into a curved seedling box guiding means, and the seedling boxes are intermittently fed one pitch at a time from top to bottom along the seedling box guiding means by the seedling box vertical feeding means. The seedlings are extruded onto the seedling lateral feeding means by the seedling pushing means, and the seedlings are supplied to the planting device one by one and planted by the intermittent operation of the seedling lateral feeding means.

[0003]

In the above-mentioned prior art, the seedling lateral feeding means is set such that the seedling feeding direction is set to the left and right, and the insertion and removal of the seedling boxes into and from the seedling box guide means are performed above the ridges. Therefore, it is difficult to work and the work efficiency is low,
Further, since the seedling box is bent when the seedlings are taken out of the pot portion, the seedlings may be damaged. The present invention
The seedling box guide means, by inserting a seedling box from above Sehaba direction one side, substantially along the box width direction ridges longitudinally during soil seedling taking out
It is an object of the present invention to provide a transplanter which is guided in a downward direction, and is taken out to one side in the ridge width direction while bending an empty seedling box after taking out seedlings with soil.

[0004]

A specific means for solving the problem in the present invention is to provide a traveling car body 3 traveling across a ridge A with a seedling box 51 provided with a large number of pot portions 52 vertically and horizontally.
A seedling box device 20 for taking out the soiled seedlings B from the pot portion 52 while vertically moving through the seedling box guiding means 45, and a planting device 20 for planting the soiled seedlings B that have been taken out into the ridge A are provided. When the seedling box is taken out, the seedling box guide means 45 moves the seedling box 51 so that the box width direction is substantially along the ridge longitudinal direction and is substantially downward.
The upper guide part 47 for inserting the seedling box 51 from above on one side in the ridge width direction and guiding the seedling box 51 to the halfway guide part 46 in the halfway guide part 46, and after removing the seedling with soil coming out of the halfway guide part 46 And the lower guide portion 48 that is taken out to one side in the ridge width direction while bending the empty seedling box 51 is integrally formed continuously .

[0005]

During the transplanting operation, the seedling box 51 is loaded from the insertion opening 49 of the curved seedling box guiding means 45 of the transplanting machine 1 traveling in the longitudinal direction across the ridge A. The seedling box 51 is provided with a large number of pots 52 arranged vertically and horizontally on the rear surface.
In the pot portion 52, seedlings B with soil are raised. The seedling box 51 loaded from the insertion opening 49 of the seedling box guiding means 45 is vertically moved, during which the seedlings B with soil are taken out and planted in the ridges 3 by the planting device 21.

[0006] The empty seedling box 51 is taken out to one side of the ridge A from an outlet 50 opened in a direction perpendicular to the longitudinal direction of the ridge A.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 6, the transplanter 1 is a traveling type having a steering handle 2 at a rear portion of a traveling vehicle body 3, and runs in a longitudinal direction over a ridge A covered with a multi-film. The traveling vehicle body 3 has an engine (drive source) 5 mounted on a gantry 4 at a front portion thereof.
Are covered with a bonnet 7 having left and right spare seedling box platforms 6.

A transmission case 8 is fixed to a rear portion of the gantry 4, and an input portion for a mission in the transmission case 8 and an output portion of the engine 5 are linked by a winding transmission 9. Power from the inside of the transmission case 8 is taken out by a wheel transmission shaft 10 extending in the left-right direction and a PTO shaft 12 for driving the working unit 11. Supports the left and right drive wheels 14 via a transmission case 13 which swings up and down around the axis of the shaft. The drive wheels 14 are interlocked with the transmission shaft 10 by a winding transmission in the transmission case 13. I have.

The left and right transmission cases 13 can be adjusted up and down around the axis of the transmission shaft 10 to adjust the relative vertical position between the drive wheel 14 and the traveling vehicle body 3. Is a ground contact sensor 1 indicated by a roller via a stay
5 and a cylinder 16 which is operated by a detection signal of the ground sensor 15. That is, the vertical movement of the left and right transmission cases 13 allows the height adjustment and the horizontal control of the traveling vehicle body 3 to be performed. The main frame 17 of the traveling vehicle body 3 is formed in a substantially L-shape in a plan view and a side view by a square pipe or the like, and its front portion is bent downward and fixed to one side of the gantry 4 to which the engine 5 is mounted. The middle part is arranged substantially horizontally in the front-rear direction on one of the left and right sides of the traveling vehicle body 3, and the rear part is bent to the other side on the left and right sides to form an attachment part 18 for the steering handle 2.

The main frame 17 has its front portion bent downward, so that the main frame 17 can secure mounting strength to the engine 5 and the like even if it is cantilevered. , The space 19 between the engine 5 and the mounting portion 18 is formed to be open on the other side, and the rear portion is bent to the left and right sides so that the steering handle 2 can be mounted. The bent portion ensures the strength of the main frame 17 itself. The transplanting operation unit 11 includes a seedling box device 20 for taking out soiled seedlings from the pot portion while feeding the seedling box, a planting device 20 for planting the taken soiled seedlings in the ridge A, A movable frame 24 that swings up and down around an axis of a power receiving shaft 23 supported on a fixed side of the transmission case 8 or the like, including a multi-perforation device 22 for punching a hole in the multi-film at a mounting position. Have been.

The rear part of the movable frame 24 is
5, the elastic support means 25 is provided on a bracket 95 fixed to the mounting portion 18 of the main frame 17, and a frame 26 pivotally supported by the bracket 95, The support rod 94 has a length adjustable and is pivotally connected to the movable frame 24 at the lower end thereof, and has a coil spring 28 fitted over the support rod 94. The elastic support means 25 urges the support rod 94 in the lifting direction by the elastic force of the coil spring 28, and elastically bears a part of the weight of the transplantation working unit 11 and the movable frame 24.

Reference numeral 38 denotes a pressure-reducing roller (or soil covering roller) provided at the rear of the movable frame 24. The distance between the pressure reducing roller 38 and the movable frame 24 can be adjusted via an adjusting rod 98. Adjustable. The pressure-reducing roller 38 rolls the upper surface of the ridge A to suppress the upper surface of the ridge A, and adjusts the height of the planting device 21 and the multi-perforation device 22 to a required height while following the unevenness of the upper surface of the ridge A. Set. The movable frame 24 has a seedling box device 2
0, a winding transmission 2 for transmitting power to the planting device 21 and the like
A transmission case 30 having a transmission 9 is provided, and the winding transmission 29 is interlocked with the PTO shaft 12.

As shown in FIG. 2, the planting device 21 is supported by a movable frame 24 via a suspension link 31 by a parallel link 32 so as to be vertically swingable.
A beak-shaped openable and closable planting cylinder 33 is provided at the end of 2, and is swingable by a crank motion of a crank body 34 interlocking with the wrapping transmission body 29. The multi-perforation device 22 is provided in front of the planting cylinder 33. The multi-perforation device 22 has a gas burner using the gas of the propane gas cylinder 35 shown in FIGS. Holes are formed at intervals in the longitudinal direction of the ridges by being baked by the burner. A planting tube 33 protrudes into the holes to transplant the seedlings B with soil into the ridges A.

The gas cylinder 35 is detachably fixed to the traveling vehicle body 3 and penetrates the bonnet 7 at the rear side of the engine 5.
Alternatively, it is detachably attached to the hood 7. The gas cylinder 35 is positioned at the center of the left and right spare seedling box mounting table 6 so as to improve the left-right balance of the traveling vehicle body 3. In addition, in FIG. 3, reference numeral 36 denotes a pair of left and right front wheels at the front of the traveling vehicle body 3, and reference numeral 37 denotes a ridge-and-shoulder roller.

The seedling box device 20 in the transplanting operation section 11
It mainly comprises a seedling box vertical feeding device 39, a seedling pushing means 40, and a seedling horizontal feeding means 41, which are mounted on the movable frame 24 via a pair of front and rear stays 42 and the like. The seedling box vertical feed device 39 includes a pair of front and rear center guide rails 43 formed in a bow shape, and a pair of front and rear side guide rails 44 disposed on the front side of the center guide rail 43 and along the lower half. And a seedling box guiding means 45 comprising:
An intermediate portion in the longitudinal direction of the center guide rail 43 is a vertical guide portion (intermediate guide portion) 46, and upper and lower guide portions 47 and 48 which are curved in the same direction up and down are connected.

The side guide rail 44 has a seedling box 51 on the upper side.
In the box width direction (the front-rear direction of the transplanter , that is, the longitudinal direction of the ridge ) has an insertion port 49 of the seedling box 51 which is opened in a trumpet shape, and the insertion port 49 is located on the upper front side of the vertical guide portion 46. Then, it extends downward from the insertion port 49 along the lower guide portion 48, and the extended end cooperates with the lower guide portion 48 to form an outlet 50 for the seedling box 51, which is connected to the main frame 17. And the drive wheel 14. Here, the seedling box 51 inserted from the insertion port 49 as shown by the arrow in FIG. In the direction between the ridges A, especially to the side of the drive wheels 14.

That is, the seedling box guiding means 45 causes the seedling box 51 to move the box width direction substantially along the ridge longitudinal direction at the time of taking out seedlings with soil.
And the intermediate guiding section 46 for guiding the substantially downwardly, with soil and the guide portion 47 on which guide by inserting a seedling box 51 from above the Sehaba direction one side to the intermediate guiding section 46, emerges from the intermediate guiding section 46 A lower guide 48 for taking out the empty seedling box 51 to one side in the ridge width direction while curving the empty seedling box 51 after taking out the seedlings is integrally formed continuously . Since the seedling box 51 does not fall on the ridge A, the seedling B after transplanting is not damaged. Further, when the seedling box 51 is pulled out rearward, a drawer space is required to avoid interference with the elastic support means 25 and the like, and the traveling body 3 becomes large, but if it is configured to be discharged to the side, the traveling The body 3 can be reduced in size.

The seedling box 51 is made of resin and has flexibility, and is provided with a large number of pots 52 arranged vertically and horizontally projecting from the rear side. 5
The space between the two is a vertical and horizontal space 54. Therefore, the operator loads the seedling box 51 from the insertion opening 49 as shown by the arrow in FIG. 1 and holds the insertion end. The upper guide portion 47 is relatively inserted into the vertical gap 54 to prevent the seedling box 51 from being displaced vertically in a curved posture.

Here, by holding the seedling box 51 inserted in the upper guide portion 47 in a curved state, the detachment of the soiled seedling B from the pot portion 52 is promoted, and the seedling box 5
In the vertical guide portion 46, the curvature is suppressed, so that the space 54 adjacent in the vertical direction is sufficiently ensured. The pot portion 52 of the seedling box 51 is formed in a tapered cylindrical shape so that the seedlings B with soil can be easily pushed out.
An extrusion port by the seedling pushing means 40 is formed in the bottomed portion of 2.

The seedling box vertical feeding device 39 includes a pair of left and right feed claws 5 for intermittently feeding the seedling box 51 one pitch at a time in the vertical direction.
The feed claw 55 is adapted to enter and exit the gap 54 between the vertically adjacent pot portions 52 at the vertical guide portion 46. Feeding claw 55 is pot part 5
The support rod 5 has a U-shape that holds the front and rear
6 and a base end of the support rod 56 is mounted on a swing bracket 58 via a vertical shaft support 57.

The pair of front and rear swing brackets 58 are supported by a support frame 59 so as to be vertically swingable about a support shaft 60 having an axial center in the front and rear direction. By providing the operation, the feed claw 55 can feed the seedling box 51 in the vertical direction and can restore the old position after the vertical feed. Furthermore, a feed claw 5
The pair of left and right support rods 56 having a pair 5 are swingable in the front-rear direction around a shaft support portion 57 at the base as shown in FIG. Have been to be.

A relay transmission case 62 having a built-in relay transmission mechanism 61 such as a cam and gears is fixed to the rear wall of the support frame 59, as shown in FIG.
The input unit 63 of the internal transmission mechanism and the above-described winding transmission 29 are linked by a vertical winding transmission 64. As shown in FIG. 1, the output portion of the relay transmission mechanism 61 is distributed to a seedling box vertical feed driving rod 65, a seedling pushing drive rod 66, a seedling lateral feeding shaft 67, and the like. The drive rods 65 and 66 are arranged side by side and reciprocate vertically, and the shaft 67 is extended in the horizontal direction and has a drive sprocket 68.
As shown in the figure, the chain 7 extends over a driven sprocket 69 disposed in front of and behind the driving sprocket 68.
By winding 0, the seedling lateral feeding means 41 intermittently feeds one pitch at a time.

A large number of seedling receiving trays 71 are arranged in the chain 70 at intervals in the longitudinal direction, and the seedling receiving trays 71 are in a horizontal posture and an inclined posture around a longitudinal axis 72 shown in FIG. It is swingable, and is urged to the inclined position by the helical spring 73 and the like. Seedling tray 71
Is provided on the fixed side, and a notch is formed at the delivery end of the guide rail,
When the seedling receiving tray 71 arrives at this cutout, the helical spring 73 forcibly changes the inclined position and the soiled seedlings B on the seedling receiving tray 71 can be intermittently supplied to the planting cylinders 33 one by one. It is.

The driving rod 65 constitutes a part of the feed pawl driving means 74, and the first relay link 76 is swingable in the left-right direction via the support shaft 75 above the standing wall of the support frame 59. The end of the drive rod 65 is pivotally supported by a pin with play on the short arm 76A of the first relay link 76. The first relay link 76 is a short arm 76A
And a long arm 76B, and a manual operation lever 77 is provided on the support shaft 75 in parallel with the first relay link 76,
The arm 77A of the manual operation lever 77 and the long arm 7
6B are arranged side by side on the left and right,
And a buffer coil spring 79 shown in FIG.

The support frame 59 is provided with a crank-shaped second relay link 80 that swings around the vertical axis. The second relay link 80 and the manual operation lever 77 are pivotally connected by a connecting rod 81. One arm 80A of the second relay link 80 is engaged with a notch recess 58A formed in the upper part of the swing bracket 58 with play in the left-right direction. The other arm 80B of the second relay link 80 is connected to one end of an interlocking link 82 swinging about a vertical axis and the first link 8.
3 and has the other end of the interlocking link 82 and the feed pawl 55, while the front support rod 56 is connected by the second link 84, and is disposed below the first link 83 so as to overlap therewith. The third link 85 has one end of the interlocking link 82 and the feed pawl 55, and the rear support rod 56 is connected to the interlocking link 82, the first to third links 83, 84,
Reference numeral 85 denotes opening / closing of the pair of feed claws 55, that is,
Constitutes an opening / closing link mechanism for entering and exiting the gap 54 between the pot portions 52 adjacent to each other in the vertical direction.

The drive rod 65 and the first relay link 7
6. The second relay link 80 and the like constitute a feed pawl driving means 74. Therefore, the pushing / pulling operation of the drive rod 65 converts the manual operation lever 77 into a left / right swinging movement around the axis of the support shaft 75 via the first relay link 76, and this movement converts the pushing / pulling movement of the connecting rod 81. Through the second relay link 8 within the range of play of the swing bracket 58 with respect to the notch recess 58A.
The swinging motion is converted to zero fore-and-aft swing motion, whereby the pair of supporting rods 56 are swung about the shaft support portion 57 via the opening / closing link mechanisms 82 to 85, so that the feed claws 55 are adjacent to each other in the vertical direction. It enters and leaves the gap 54.

On the other hand, the notch recess 58 of the swing bracket 58
When the second relay link 80 is oscillated back and forth beyond the range of play with respect to A, the oscillating bracket 58 is oscillated up and down around the support shaft 60, and the feed claw 55 enters the gap 54, When the swing bracket 58 swings downward, the seedling box 51 is fed one pitch in the vertical direction, and then the feed claws 55 are retreated from the gap 54 to swing the swing bracket 58 upward. As a result, the posture for preparing for the next vertical feed is set, and the seedling box 51 is intermittently fed vertically one pitch at a time.

By manually operating the manual operation lever 77, the seedling box 51 is manually fed vertically one pitch at a time. This is a preparation work for loading the seedling box 51 into the insertion slot 49 and starting operation. It is useful in such cases. Seedling pushing means 4
Numeral 0 is arranged in the arcuate space of the center guide rail 43 together with the feed claws 55 and the like. Pusher 86 protruding into tray 71
It has.

The pushers 86 are arranged in a comb-like manner on a slider 87 as shown in FIGS. 2 and 6. The slider 87 slides on a slide guide 88 projecting inward from the side wall of the support frame 59. It is freely supported. Slider 87
At both ends (front and rear), a bracket 8 having a long hole 89A is provided.
9 are fixed, and a pair of second swing links 90 having an engagement piece 90A fitted into the elongated hole 89A are pivotally supported on the front and rear walls of the support frame 59 by horizontal axes 90B. On the other hand, the end of the pushing drive rod 66 is connected to the horizontal axis 9.
1A is pivotally connected to one arm of the first swing link 91 pivotally supported, and the other arm of the first swing link 91 and the lower end of the first swing link 90 are connected by a link 92. Connected.

Therefore, the push-pull movement of the drive rod 66 is transmitted to the second swing link 90 via the first swing link 91 and the connecting link 92, and is transmitted to the slider 87 by the left and right swing of the link 90. The slider 87 is a slide guide 88
By reciprocating upward, the row of soiled seedlings B in a row is pushed out from behind the pot portion 52 onto the seedling receiving tray 71 of the seedling lateral feeding means 41 via the pusher 86, and then retreats. The seedling pushing means 40 includes a seedling lateral feeding means 41.
Is stopped and the seedling box vertical feeding means 39 is stopped and standby, the pusher 86 is operated in the pushing direction, and thereafter, it exits.

The seedling lateral feeding means 41 is provided with a row of soiled seedlings B.
Is intermittently fed one pitch at a time from the state of being supported by the seedling receiving tray 71, and at the sending end thereof,
And supply them one by one. In order to ensure the drop supply, a reciprocatingly swinging seedling removing means 93 is provided above the sending end of the seedling lateral feeding means 41. On the other hand, when the seedlings are laterally fed by the seedling lateral feeding means 41, the seedling box vertical feeding device 39 vertically feeds the seedling boxes by one pitch. FIG. 7 shows a modification of the main frame. The main frame 17 has a substantially U-shape in plan view, and both ends of its front portion are bent downward and connected to the gantry 4 (or the engine 5). Since the main frame 17 is U-shaped,
Although the maintenance is slightly difficult, it is robust, the right and left hand of the transplanting work unit 11 can be reversed, and the discharge direction of the empty seedling box 51 can be changed from the left side to the right side.

The present invention is not limited to the above embodiment, but can be variously modified. For example, the main frame 17 of the embodiment may be formed by bending a front portion sideward to form a U-shape in a plan view, and connecting the front portion to the engine 5. But it is good.

[0033]

According to the present invention described in detail above, the seedling box guiding means 45 causes the seedling box 51 to move the box width direction substantially along the ridge longitudinal direction and substantially downward when the soiled seedlings are taken out by the halfway guide portion 46. To
Since the seedlings B are guided , the seedlings B can be taken out without damage, and the seedling box 51 can be inserted into the upper guide part 47 from above one side in the ridge width direction and guided to the halfway guide part 46,
The empty seedling box 51 after taking out the soiled seedlings coming out of the halfway guide 46 can be taken out to one side of the ridge width direction while curving, and the seedling boxes 51 can be put in and out from one side of the ridge width direction. The operation is extremely simple, the operation efficiency can be improved, and the vertical feeding of the seedling box 51 can be performed smoothly.

[Brief description of the drawings]

FIG. 1 is a rear view of a main part showing an embodiment of the present invention.

FIG. 2 is a side view of the main part.

FIG. 3 is a side view of the entire transplanter.

FIG. 4 is a plan view of the entire transplanter.

FIG. 5 is a rear view when the seedling pushing means is retracted.

FIG. 6 is a sectional view taken along line XX of FIG. 1;

FIG. 7 is a plan view showing a modification of the main frame.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Transplant machine 2 Control handle 3 Running body 11 Transplanting work part 17 Main frame 20 Seedling box device 21 Planting device 22 Multi-perforation device 24 Movable frame 39 Seedling box vertical feed device 40 Seedling pushing means 41 Seedling lateral feeding means 45 Seedling box guide Means 49 Insertion port 50 Removal 51 Seedling box A Ridge B Soiled seedling

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-56-82009 (JP, A) JP-A-3-85817 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) A01C 11/02

Claims (1)

(57) [Claims] 1. A seedling box (51) provided with a large number of pots (52) vertically and horizontally on a traveling body (3) running across a ridge (A) through a seedling box guiding means (45). A seedling box device (20) for taking out the soiled seedling (B) from the pot portion (52) while performing the vertical feeding operation, and a planting device (20) for planting the soiled seedling (B) taken out into the ridge (A). The seedling box guide means (45) moves the seedling box (51) in the box width direction substantially in the ridge longitudinal direction and substantially downwards when taking out the seedlings with soil.
The intermediate guiding section (46) for guiding the can, on the guide portion for guiding the intermediate guiding section (46) by inserting seedling box (the 51) from above the Sehaba direction one side and (47), intermediate guiding section ( A lower guide part (48) for taking out to one side in the ridge width direction while bending the empty seedling box (51) after taking out the soiled seedling coming out from 46).
An implanter characterized by being integrally formed continuously .