JPS5982008A - Method and apparatus for automatically suppling seedling for transplanter - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method hWK for automatically supplying crop seedlings to the planting mechanism of a transplanter for field crops.

The inventors previously proposed an automatic seedling feeding method and device 1 (special wJ1 No. 71474, 1983) which had a simple structure and reliable operation. In this state, the seedling pushing rod pushes down the holding part, pushes out the crop seedlings (hereinafter simply referred to as seedlings) from the bottom of the seedling raising pot through the drop hole at the bottom of the guide passage, and supplies the seedlings to the planting mechanism. However, in this case, if the seedlings were large, the sound parts of the seedlings in adjacent seedling pots would become entangled with each other, which would hinder the operation of pushing out the seedlings from the seedling pots. When putting a seedling feeding device into practical use, careful seedling management is required to ensure that the sound part does not become too large.In addition, it is a practical requirement that the sound part be relatively small, so the usable period of this device will be limited. is short and the area that can be treated is reduced, which is unfavorable from an economic point of view.

On the other hand, in the present invention, by separating the seedling-raising pot from which the seedlings are pushed out from the subsequent seedling-raising pot adjacent to it and pushing out the seedlings after releasing the entanglement of the tone part, even seedlings with a relatively large tone part can be pushed out. It is an object of the present invention to provide an automatic seedling feeding method and device for a transplanter that enables smooth seedling feeding.

The present invention transfers a seedling-raising stand and uses a delivery lever that limits the pushing force to move the seedling-raising pots arranged on the seedling-raising stand through a slip mechanism. A plurality of seedling pots (n pieces) are arranged at equal intervals on the top, and the seedling pots are fed into one of the fixed square volume areas, and then, with the guide restraining the seedling growing pots within the accommodation area, the intermittent rotary disk rotates to collect the seedlings. The pot is separated from the subsequent seedling-raising pot adjacent to it, moved to the upper direction r of the seedling-dropping hole, and paused, and the seedling pushing rod pushes out the seedlings together with soil from the bottom of the seedling-raising pot into the seedling-dropping hole. As the intermittent rotary disk rotates, the empty seedling growing pot that has reached a position where no guide is provided is removed from the harvesting area, and in relation to the intermittent operation of the intermittent rotating disk, the seedling growing pot is removed by the sending lever. The present invention relates to an automatic seedling feeding method and equipment for a transplanter, which is characterized by intermittent transfer.

Hereinafter, the present invention will be explained in more detail with reference to the drawings.

First, the structure of the seedling growing pot and seedling stand used in the apparatus of the present invention will be explained with reference to FIG. 1 showing an example thereof.The seedling growing pot 1 has a bottomless cylindrical shape and is made of a hard material. The seedling raising stand 2 on which the seedling raising pots 1 are arranged and placed has a plurality of partition plates 4 provided on the base plate 3 in parallel and at equal intervals, and furthermore, both ends of the base plate 3 parallel to the partition plates 4 are provided on the base plate 3. An end plate 5 is provided at the edge, an end plate 5' is provided at one end perpendicular to the partition plate 4, and one end edge 6 of the base has an open structure without an end plate. ing. A predetermined number of seedling-raising pots 1 are placed in a line between the end plate 5 and the partition plate 4 and on the base plate 3 between each partition plate 4, and each seedling-raising pot 1 is filled with fertilizer to grow the seedlings. Develop.

Next, Sections 2, 3 and 4 show an embodiment of the device of the present invention.
To explain the structure and operation using the diagram, a seedling raising stand 2 on which a seedling raising stand (with seedlings grown) is placed is placed on an intermittent rotary plate 22 with an open edge 6 without an end plate. Place it on the seedling stand 8 of the seedling feeding device with the side where the seedling growing pot exists, and apply a force to move the seedling stand 2 in the direction of the seedling pot supply conveyor 13, that is, in the direction of arrow a. Various specific means can be taken for this purpose, but for example, a seedling tray supply conveyor 7 (boot IJ-1 on the driven side in the figure) driven via a slip mechanism as described in detail later and equipped with projections 9.
It is possible to transport the seedling stand 2 by means of a 1° driven shaft 12 (also shown). As a result, when all the rows of seedling boxes (l) between the partition plates 4 on the seedling stand 2 have been sent out from the seedling stand 2, the seedling stand 2 is transferred to the seedling stand supply conveyor 7.
This allows the next row of seedling pots to be transferred to a position where they can be sent out.

The seedling growing pot supply conveyor 13 exists in the direction in which the seedling growing table 2 is transferred, and is horizontally rotated in a direction perpendicular to that direction, that is, in the direction of the arrow, and the seedling growing pot supply conveyor 13 is placed in a v position. The vertical positional relationship is above the seedling growing stand 2, and the seedling growing stand 2 can pass below the seedling growing pot supply conveyor 13. The driving force of the seedling pot supply conveyor 13 is transferred from a driving chain wheel 14 which rotates by the driving force of an automatic seedling feeding device to a driven chain wheel 16 by a chain wheel 15.
It is further transmitted to a seedling pot supply conveyor driving chain wheel 18 which is coaxially attached to the driven lead hanging 16 and suspended above via a torque limiter 17. A driven chain wheel 19 is provided at the other end of the seedling pot supply conveyor 13, and a driven chain wheel 19 is provided on the other end of the seedling raising pot supply conveyor 13.
The seedling-raising stand 2 is passed through and transported by the seedling-raising stand supply conveyor 7 below the gap. Further, a receiving plate 20 and a sending lever 21 are attached to the seedling raising pot supply conveyor 13, and the front row (the side closer to the seedling raising pot supplying conveyor 13) of the seedling raising pots (l) on the seedling raising table 2 is in contact with the receiving plate 20. ,
The rear end of the row of seedling-raising bots 1 is pushed by the sending lever 21, and the seedling-raising bots 1 are sent out from the open edge 6 of the seedling-raising table 2 toward the storage area 25 of the intermittent rotary disk 22. As will be described in detail later, the intermittent rotary disk 22 has a function of intermittently removing the seedling tray (1);
The sending of 1 is performed intermittently in relation to the intermittent removal operation. That is, the seedling raising boxes (l) which are arranged in contact with each other on the seedling raising table 2 have their tips connected to the intermittent rotary disk 22.
While the delivery lever 21 is in contact with the rear end 23 of the storage area 25 and the peripheral edge of the intermittent rotary disk 22, the delivery lever 21 is stopped by the reaction force, and during that time, the driving force is transferred to the slip mechanism (torque limiter in the figure). -17). When the intermittent rotary disk 22 rotates at a constant angle in the direction of arrow C, the seedling-raising bots 1 housed in the accommodation area 25 move and then stop, and the next empty accommodation area 25 immediately faces the row of seedling-raising bots 1. Move to position and stop. Then, the row of seedling raising pots 1 can be transferred only by the space of the storage area 25, that is, by the outer diameter of the seedling raising pots 1. At the same time, a reaction force against the sending lever 21 is suddenly generated, the driving force is not restricted by the slip mechanism, and is transmitted to the seedling pot supply conveyor 13, the sending lever 21 pushes the rear end of the row of seedling bots 1, and the seedling raising table 2 When one seedling raising pot (1) is fed into the storage area 25 from above and the seedling raising bottle (1) comes into contact with the rear end portion 23 of the storage area 25, the delivery lever 21 is brought to a stopped state.

In this embodiment, a torque limiter 17 is used as the slip mechanism, but the present invention is not limited to this, and various specific means for causing intermittent operation from a constantly operating drive source may be employed. It's something you get. Another example of a specific means is a method in which the magnetic clutch 4 is interposed between the driven chain wheel 16 and the seedling pot supply conveyor driving chain wheel 18. The magnetic clutch is synchronized with the intermittent rotary disk 22,
When the most advanced seedling raising pot (1) is rotated and the row of seedling raising bottles (1) on the seedling raising stand (2) can be moved forward, the magnetic clutch is activated (a state in which driving force can be transmitted) is established. ), the sending lever 21 is horizontally driven by one seedling raising bowl (1), and then the magnet clutch and the lever are brought into a non-operating state (a state in which no driving force is transmitted) again to perform intermittent operation. In the present invention, “
The term "slip mechanism" includes various means for causing intermittent operation from a constantly operating drive source.

The distance between the attachments of each delivery lever 21 corresponds to the length of the row of seedling trays 1 arranged between the partition plates 4 on the seedling table 2, and the delivery levers 21 that have been operating the delivery ,
When the position of the open edge 6 of the seedling-raising stand 2 is reached, the next sending lever 21 is at the rear by the length of the row of seedling-raising bowls)1, so during this time the next row of seedling-raising bowls)1 is The seedlings placed on the seedling-raising table 2 are transferred by the seedling-raising table supply conveyor 7, and come into contact with the receiving plate 20 so that they can be sent out.

The intermittent rotary disk 22 has a storage area 2 that can accommodate seedling bots.
5 on the periphery (three in the example shown in the figure), and in conjunction with the seedling extrusion bales 27 described later, I, m shown in FIG.
Performs intermittent rotational movement that stops at three positions, l and I.

Furthermore, the center of rotation of the intermittent rotary disk 22 is on the center line of the row of seedling bots l transferred by the sending lever 21, and the seedling bots 1 in the accommodation area 25 and the seedling bots 1 on the seedling stand 2 are They are arranged at positions where they are exactly in contact with the open edge 6 of the seedling raising table 2.

As the mechanism for causing the intermittent rotational movement of the intermittent rotary disk 22, any intermittent drive mechanism such as a Geneva mechanism or a ratchet mechanism may be employed as long as it can be synchronized with the seedling pushing operation of the seedling pushing rod 27. If the intermittent rotary disc 22 starts rotating in the direction shown by arrow C with the seedling raising bot 1 containing the seedlings currently housed in the storage area 25 at the position I, the seedling raising bot 1 attempts to escape from the containment area 25 due to centrifugal force, but the escape is prevented by the guide 26.
25, and remains restrained in the containment area 25.
The intermittent rotary disk 22 moves to the position shown in FIG. At the position ■, the seedling pushing rod 2 is moved vertically and reciprocally to the upper position.
7 is provided, and the bottom plate 2 supports the seedling raising bot 1.
4 is provided with a seedling drop hole 28 having a size that almost matches the inner diameter of the seedling raising bowl), and the seedling pushing rod 27 is inserted into the seedling raising bowl.
The holding part of the seedling inside is pushed down, and the seedling is pushed out along with the holding soil through the seedling drop hole 28 from the bottom of the seedling raising container. The extruded soil 36 is sent directly or through an appropriate route to the planting mechanism IO of the transplanter.

On the other hand, the empty storage V area 25 is located at the position (2), into which the next seedling raising container 1-1 is immediately sent by the delivery lever 21, as described above. Next, intermittent rotary disk 2
When the container 2 starts rotating again, the empty seedling growing container 2 at the position 2 is subjected to centrifugal force, and when it reaches the position where the guide 26 is not provided, it is removed from the storage area 25. The excluded seedling raising box) 1 is collected into a container box or the like through an appropriate route. This operation is repeated until the seedlings are raised.
The extrusion of seedlings from the container and the removal of the empty seedling raising pot are performed intermittently in sequence.

The seedling pushing rod 27 is reciprocated up and down at a position above the seedling dropping hole 28. To explain the drive mechanism in detail, the seedling pushing rod 27 is connected by a pin 32 to an elongated hole 31 provided at the tip of a swinging arm 30 that is pivotally supported at a fulcrum 29.
The rear end of the seedling feeder 30 is pulled downward by a spring 33, and a cam follower 34 provided on the swinging arm 30 comes into contact with a cam 35 that is rotationally driven by the driving force of the seedling feeding device.

The cam follower 34 moves up and down in accordance with the rotation of the cam 35, and as it moves, the seedling pushing rod 27 at the tip of the arm 30 moves.
is driven back and forth up and down. The drive of the seedling pushing rod 27 is configured to be interlocked with the operation of the intermittent rotary disk 22, and
When the seedling raising box 1 in 5 temporarily stops above the seedling drop hole 28, the seedling pusher 27 is activated to push out the seedling 13- with the soil.

In addition, the seedling pushing rod 27 is arranged so as to act slightly in front of the center of the seedling raising bowl) 1 in the moving direction of the seedling raising bowl), and furthermore, the distance between the lower surface of the seedling pushing rod 27 and the upper end of the seedling raising bowl) is When the seedling raising bot 1 is transferred onto the seedling dropping hole 28 with a very small amount, the sound part of the seedling is arranged so as not to enter the lower surface of the seedling pushing rod 27. This prevents the seedling pushing rod 27 from cutting the sound part of the seedling when pushing out the seedling from the seedling raising box 1.

As described above, the most important point of the present invention is that the device of the present invention separates the seedling raising pot (1) that pushes out the seedlings from the adjacent succeeding seedling raising bowl (1) and releases the entanglement of the leaves before pushing out the seedlings. This feature has the following advantages in connection with this. That is, l) Even seedlings with a relatively large pitch can be pushed out reliably.

2) Place the seedling stand directly facing the intermittent rotary plate 14- The automatic seedling feeding device is compact.

3) At V1, where the seedlings are pushed out, the pushing force of the delivery lever does not act on the seedling growing pot, so the strength of the seedling growing pot can be reduced.

In relation to this, the shape of the seedling growing pot used is not limited to a cylindrical shape, but may also be a prismatic shape by changing the shape of the storage section of the intermittent rotary disk, or a rectangular cylindrical seedling growing pot that is foldable. Various formats are available.

4) Since the entire period of the seedling feeding operation other than the time during which the intermittent rotary disk is rotating can be used for pushing out the seedlings, the pushing out operation of the seedlings can be performed smoothly.

Therefore, by incorporating the device of the present invention into a transplanting machine, it is possible to construct an automatic seedling feeding and transplanting machine that is compact, highly reliable, capable of high-speed transplanting even when using large seedlings, and has a large processing area. This enables revolutionary labor savings in porting work.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing an embodiment of a seedling pot and a seedling stand used in the trap of the present invention, and Fig. 2 is a portion of an embodiment of the automatic seedling feeding device according to the present invention, excluding the seedling extrusion device. FIG. 3 is a partially cutaway plan view of the automatic seedling feeding device according to the present invention, and FIG. FIG. 3 is a partially cutaway side sectional view. ■... Seedling pot 2... Seedling stand 3... Base plate 4... Partition plate 5... End plate 6... Edge 7... Seedling stand supply conveyor 8... Seedling stand 9... Protrusion IO... Planting mechanism 11... ■Pulley 12... Driven shaft 13... Seedling pot supply conveyor 14... Drive chain wheel 15... Chain 16... Driven 1 Car 7...Torre limiter
-18...Seedling pot supply conveyor 1 moving car 19.
... Driven chain wheel 20 ... Receiving plate 21 ... Sending lever 22 ... Intermittent rotary disk 23 ... Rear end portion 24 ... Bottom plate 25 ... Accommodation area 26 ... Guide 27 ... - Seedling pushing rod 28... Seedling drop hole 29... Fulcrum 30... Swinging arm 31... Long hole 32... Bin 33... Spring 17-34... Cam follower 35...・Cam 1
．． ＋、＋・汀゛ 18- January 30, 1980 Director-General of the Patent Office Kazuo Wakasugi 1 Indication of the case 1981 Patent Application No. 1 Zo θgg No. 4 2 Name of the invention Automatic seedling feeding method for transplanting machine and Device 3 Relationship with the case of the person making the amendment Patent applicant address 2-1 χ-chome, Toranomon, Minato-ku, Tokyo Name (456)
) Japan Monopoly Public Corporation Representative President Minoru Nagaoka 4 Designated Agent 2 Address 2-1-5 Toranomon, Minato-ku, Tokyo "Detailed Description of the Invention" and "Brief Description of Drawings" ” column and drawings. 6 Contents of the amendment (1) The following intersection will be inserted in front of "1-Intermittent rotary disc 22..." on page 11 of the specification, line 7 from the bottom. [Example 2 of a mechanism for generating intermittent rotational motion using a Geneva mechanism] This driving force is transmitted to the cup pushing rod moss by a bevel gear in the gear pock 9. The driving force is divided into the driving force for driving the barrel and the driving force for driving the intermittent rotational movement. - is transmitted 11 meters to - and rotates the cam. The mechanism by which the rotating cam #2 drives the seedling pushing rod #2 downward will be described in detail later. 9. The circular arc part 5o with a partial notch is
There is a drive hinge and a drive hinge, and the output Geneva has four radial long grooves and four curved portions. . The input Geneva and the output Geneva 8 are arranged so that the arcuate base of the input Geneva 95D and the curved portion +e of the U'' frame are in contact with each other. Now, when the input Geneva Bodhisattva rotates, it gets moldy. Call 1 The Hg movement V/q of the fubai is fitted into the radial long groove of the outgoing bead, and as the incoming bead is rotated, the radial long groove of the column is inserted into the radial long groove ga + c, , ji2, Kakeru, who turned the output bar 1/4 turn! 1iI
Iji1 pin sweet escapes from the radial long groove time. Sono, person 1.49 Since the arc part base of the sword Geneva is in contact with the curved outer awn of the output Geneva ←, the rotation of the output Geneva moss is suppressed to 1.
do. In this way, the input Geneva of one rotation of the input Geneva number;
During the remaining 3/4N rotation, the output Geneva calyx stops and the operation is repeated. With the intermittent rotation of the output Zenevada, the drive shaft → rotates intermittently, and the gear portion fixed to the drive shaft insert rotates intermittently. Therefore, the gear part interlocking with the gear part through the chain → rotates intermittently, and the intermittent rotary disk bud performs intermittent IH1 rotation in the gear part and. Since the housing area stop repeatedly stops and rotates outside the 3 positions of 1, 11, ..., the ratio of the number of teeth between the gear carriage and the 7 gear section is 4:3. Further, the shape and phase of the cam leech are adjusted so that the up and down reciprocation of the seedling pushing rod is completed while the intermittent rotary disk 227 is at rest. '\in this way,
"(2) Akira #', page 16, line 6 of the nl book, after "side sectional view", ", Figure 5 is a schematic perspective view illustrating one embodiment of the drive mechanism of the intermittent rotary disk 22 and the extrusion-resistant rod 27. Insert "times". (3) Insert the following phrase after the second line of page 18 of the specification. 36 Chain 37 Gear 38 Human power shaft 39 Gear box 40 Output shaft 41 Gear 42 Chain 43 Gear 44 Drive shaft 45 Gear 46 Chain 47 Gear 48 Output shaft 49 Input Geneva 50 Arc portion 51 #AA moving pin 52 Output Geneva 53 Radial long groove 54 Curved part 55 Drive shaft 56 Gear 57 Chain 58 Gear 59 Drive shaft (4) Add attached Figure 5. that's all

Claims (1)

[Scope of Claims] 1. While applying a force capable of transferring the seedlings to the seedling growing table, the sending lever is driven parallel to the seedling raising table surface via a slip mechanism in a position above the seedling growing table surface in a direction perpendicular to the transfer direction. The seedling growing pots placed adjacent to each other on the seedling growing table are provided with a plurality (n) of housing areas capable of accommodating one seedling growing pot at equal intervals around the periphery, and a - city angle (360°/ n
) into one of the storage areas of an intermittent rotary disk that rotates intermittently, and then, with the guide restraining the seedling-growing pot within the storage area, the intermittent rotary disk rotates to place the seedling-growing pot adjacent to each other. While separating the seedlings from the subsequent pot,
The seedlings are moved to a position above the seedling drop hole and stopped, and the crop seedlings are pushed together with soil through the bottom of the seedling pot and the seedling drop hole by a seedling pusher that is driven back and forth up and down at the position above the seedling drop hole. After that, the intermittent rotary disk further rotates to reach a position where no guide is provided, and the empty seedling growing pot is removed from the storage area of the intermittent rotary disk. . 2. It has a transfer device for a seedling raising table, and has a plurality of (n) sending levers that are driven parallel to the seedling raising table surface via a slip mechanism in a position above the seedling raising table surface in a direction perpendicular to the transfer direction. constant angle (360'/n) with accommodation area of
An intermittent rotary disk that rotates intermittently is provided in contact with the edge of the seedling-growing table, and when the intermittent rotary disk is stopped, one of the storage areas and the sending direction of the seedling-growing pot coincide with each other, and a part of the periphery of the intermittent rotary disk A guide is provided at the bottom, a bottom plate is provided at the bottom, a seedling drop hole is provided at the temporary stop position of the storage area where the guide is located, and a seedling pushing rod that is reciprocated up and down is placed above the seedling drop hole. An automatic seedling feeding device for a transplanter, characterized in that: