JP3415231B2 - Seedling feeder for vegetable transplanter - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention allows pot seedlings from a seedling tray to be sequentially supplied to planting claws via a relay cup and transplanted to a field one by one. The present invention relates to a seedling supply device for a vegetable transplanter. 2. Description of the Related Art Conventionally, a potted seedling is taken out from a seedling tray, and the potted seedling is dropped and supplied to a vertically movable hopper-type planting claw to transplant the seedling. There is a transplanter, in such a vegetable transplanter, for example, as described in Japanese Utility Model Application Laid-Open No. 60-11681, the planting claw opens near the bottom dead center, and transplanted from a water absorption pump when planting seedlings. Some nails were designed to deliver water to the nails. [0003] With this configuration, the seedlings can be easily separated from the planting nails, and watering can be performed at the same time. [0004] However, in the vegetable transplanter described above, the structure in which the seedlings are dropped and supplied to the planting nails is such that the carrier receives the potted seedlings from the seedling tray and places the seedlings above the planting nails. In the case of a structure in which the seedlings are transported to the position and dropped, it is difficult to accurately supply the pot seedlings from the transport plate to the planting claws. [0005] That is, even if a pot seedling can be accurately planted from a planted nail to a field, if the supply of the pot seedling to the planted nail is incorrect, the plant eventually becomes a stock-out. There were problems such as getting lost. Further, if the frictional force between the transport plate and the pot seedling is large, the seedling cannot be dropped smoothly and it may take time to supply the seedling to the planting claws. Such a large time lag has been an obstacle to realizing high-speed transplantation. An object of the present invention is to provide a seedling supply device for a vegetable transplanter that can solve the above-mentioned problems. According to the present invention, a pot seedling is taken out from a seedling tray, and the pot seedling is supplied to a vertically movable hopper type planting claw via a relay cup. In a vegetable transplanter configured to perform the transplantation, an extruder that pushes out pot seedlings from the seedling tray, and a transport plate that receives the extruded pot seedlings and transports the seedlings to a position above the planting claws, A fluid introduction hole is provided in the carrier plate, and a fluid outlet is provided at a position on the back side of the carrier plate so that the carrier plate faces the fluid introduction hole in a state of being steeply inclined above the relay cup. The present invention relates to a seedling supply device of a vegetable transplanting machine. An embodiment of the present invention will be specifically described below with reference to the accompanying drawings. FIG. 1 is a side view of a vegetable transplanter equipped with a seedling supply device according to the present invention, FIG. 2 is a plan view of the vegetable transplanter, and FIG. 3 is a plan view of the same. ,
FIG. 4 is an explanatory view showing a main part of the seedling supply device, and FIG. 5 is a sectional explanatory view taken along the line II of FIG. As shown in FIGS. 1 and 2, a vegetable transplanter Y
Has an engine 2 mounted on a front frame 1 and a transmission case 3 behind the engine 2. The transmission case 3 has left and right rear wheels 4, 4 as driving wheels supported so as to be able to swing up and down via a left and right transmission case 5. 6,6 are left and right front wheels,
It is attached to the front end side of the front frame 1 via an axle frame 7 so as to be vertically swingable. A seedling supply device 8 described below is provided behind the transmission case 3 via a chassis frame 9, and a planting transmission case 11 is provided between the seedling supply device 8 and the transmission case 3. The planting claws 18 are provided. The planting claw 18 is formed in the shape of a hopper, and is configured to move up and down in conjunction with the multi-cutter 17. The pot seedlings a taken out from the tray A can be received one by one and planted on the ridge surface U at regular intervals. In FIGS. 1 and 2, reference numeral 12 denotes a pressure-reducing roller for suppressing the ridge surface U, 13 a gauge wheel for supporting the seedling-planting device 10 so as to be able to swing up and down, 19 a steering wheel, 21
Is a planting clutch lever, 22 is a main transmission lever, 23 is a stock change lever, 24 is a planting depth adjusting lever, 25 is a left and right side clutch lever, A1 is a spare seedling tray, and b is a spare seedling mounting table. In the vegetable transplanter Y having the above configuration, the gist of the present invention resides in the configuration of the seedling supply device 8, which includes an extruding tool 26 for pushing out the potted seedling a from the seedling tray A, and an extruded potted seedling a. And a transport plate 27 for transporting the transport plate 27 to a position above the planting claws 18.In the state where the transport plate 27 is provided with a fluid introduction hole 28 and the transport plate 27 is steeply inclined above the relay cup. A fluid ejection port 29 is provided at a position on the back side of the transport plate 27 so as to face the fluid introduction hole 28. Here, the seedling supply device 8 will be described below. As shown in FIG. 3, the seedling supply device 8 is provided with a seedling mounting table 14 on which the seedling tray A is mounted, disposed on the left side of the rear of the machine so as to be inclined downward toward the right side of the machine. Same seedling platform 14
The rotating chains 31, 31 are provided on both sides of the rotating chains 31, 31.
The seedling tray A can be intermittently conveyed toward the inclined lower side, and the seedling tray A is located inside the seedling mounting table 14 at the inclined lower position of the seedling mounting table 14 as shown in FIG. From 1
An extruding tool 26 for pushing out the row of pot seedlings a is provided. In FIG. 3, reference numeral 32 denotes a seedling holding rod that guides conveyance while holding the inclined lower side of the seedling tray A from above to prevent warping of the seedling tray A, and is bent and extended from the supporting rod 33. The support rod 33 has bent portions provided at both ends of the support rod 33 slidably fitted to the support cylinders 34, 34 and can be fixed by mounting bolts 35. Therefore,
The position of each seedling holding rod 32 can be adjusted vertically. A seedling transporting section B which rotates intermittently in the advancing direction of the fuselage is provided below the slope of the seedling mounting table 14. As shown in FIGS. 3 and 5, the seedling transfer section B is connected to a transfer chain 35 that rotates in the machine body moving direction, and a base end thereof is connected to the chain 35. 26
It comprises a plurality of transport plates 27 for receiving the potted seedlings a extruded therefrom, and a transport guide rod 36 for supporting the tip of the transport plate 27. The transport plate 27 is oriented in the lateral direction with respect to the fuselage, and is spaced at regular intervals in the longitudinal direction of the fuselage. The transfer can be carried out intermittently while supporting the leading end of the transfer guide rod 36 which is arranged in parallel with the transfer chain 35. The transport plate 27 is composed of a substrate 27a formed sufficiently longer than the entire length of the pot seedling a, and an upright plate 27b connected to the lateral side of the substrate 27a (opposite to the machine body traveling direction).
And formed from. A pivotal support is provided at the end of the upright plate 27b.
27c is provided, and the pivot 27c and the transport chain 35 are rotatably connected only downward through a connecting member 35a. 35
b denotes a stopper provided on the connecting member 35a to prevent the transport plate 27 from rotating upward. The transport guide rod 36 is bisected at a position obliquely above a relay cup 37, which will be described later, and has a parallel guide portion 36a parallel to the transport chain 35 and a start end located at a lower end position of the parallel guide portion 36a. And a cam function guide portion 36b having an end at the height of the parallel guide portion 36a while gently curving diagonally upward. Therefore, when the transport plate 27 reaches the position of the relay cup 37, the transport guide rod supporting the distal end of the transport plate 27 is provided.
Since the parallel guide portions 36a of 36 are interrupted, the transport plate 27 pivots downward about the pivotal support portion 27c and steeply inclines, and is received and supported by the cam function guide portions 36b.
With the rotation of the cam function guide 36b, the cam function guide 36b moves upward along a gentle curve and is restored to the original position. 3 and 4, reference numeral 37 denotes a funnel-shaped relay cup, which is disposed below the seedling transfer section B and above the planting claws 18; The pot seedlings a, which are supplied from the ground, are relayed and supplied to the planting claws 18. In the seedling supply device 8 having the above-described configuration, a major feature of the present invention is that a fluid introduction hole 28 is provided in the substrate 27a of the transport plate 27, and as shown in FIG. Further, the nozzle device N is disposed at a position on the back side of the transport plate 27, and the fluid ejection port 29 of the nozzle device N is set in the state where the transport plate 27 is steeply inclined above the relay cup 37.
It is to face 28. In FIG. 4, reference numeral 41 denotes a pump for pumping water,
42 is a valve capable of controlling the flow of water, and 43 is a pipe. In the above configuration, if the pump 41 is a plunger pump, the valve 42 can be omitted. Further, in the present embodiment, the fluid ejected from the nozzle device N is water. However, the fluid is not limited to water, and may be a liquid containing fertilizer, pesticide, or the like, or a gas such as air. With the above structure, the pot seedling a is pushed downward by the water force, and the pot seedling a is transferred to the relay cup 37.
The friction between the pot seedlings a and the transport plate 27 during supply to the pot is eliminated, the inheritance with less time lag is possible, and high-speed transplantation is possible. Further, since water is sprayed onto the transport plate 27 through the fluid introduction holes 28, cleaning on the transport plate 27 can be performed at the same time, and stable seedling transport by the seedling transport section B becomes possible. This has the effect that irrigation can be performed simultaneously. Here, the operation of the seedling supply device 8 until the pot seedling a is actually planted on the ridge surface U will be described with reference to FIGS. That is, as shown in FIG.
A row of pot seedlings a is transported by the extruder 26 into the transport plate of the
Extruded to 27. Then, each of the transport plates 27 is sequentially and intermittently sent to the relay cup 37 side, and as shown in FIG. Water is ejected from the fluid ejection port 29 through the fluid introduction hole 28 of the transport plate 27. The pot seedling a is pushed downward by the water force, slides by the water flowing down the carrier 27, and is dropped and supplied to the relay cup 37 as shown in FIG. Further, from the relay cup 37, it is dropped and supplied into the planting claw 18 waiting at the upper stop position, and the planting claw 18 is supplied.
Falls, and the pot seedling a can be transplanted to the ridge surface U. At this time, the water is effectively irrigated. Next, another embodiment shown in FIG. 6 will be described. This is because the transport plate 27
The blow pipe 51 is arranged so as to adjust the seedling posture of the potted seedling a extruded to the lower side in the longitudinal direction of the transport plate 27 in the previous embodiment, that is, slightly above the transport guide rod 36. The guide rod 36 is provided in parallel. The blow pipe 51 is connected to the compressor 53 and is provided with a plurality of air outlets 52 corresponding to the respective transport plates 27 so as to blow air in the longitudinal direction of the transport plate 27. . That is, in accordance with the timing when the pot seedling a is pushed out by the pushing tool 26, immediately after the pot seedling a is extruded, air is blown out from the air outlet 52 to correct the posture of the pot seedling a. When it is supplied to 37, it falls smoothly so that it is supplied accurately. The air blowing time can be set as appropriate. With this structure, the posture of the seedling can be corrected to make the feeding more accurate, and the air is blown to the surface of the carrier 27 to remove mud, dirt, and other dust. can do. According to the present invention, a pot seedling is taken out from a seedling tray, and the pot seedling is supplied to a vertically movable hopper type planting claw via a relay cup to transplant the seedling. A vegetable transplanter configured to perform the same, comprising: an extruder for extruding pot seedlings from the seedling tray; and a transport plate for receiving the extruded pot seedlings and transporting the seedlings to a position above the planting claws. The following effects are obtained by providing a fluid introduction hole in the plate and providing a fluid ejection port at a position on the back side of the conveyance plate so that the conveyance plate faces the fluid introduction hole in a state of being steeply inclined above the relay cup. Play. (1) The pot seedlings are pushed downward by the water force, eliminating friction between the pot seedlings and the transport plate when the pot seedlings are supplied to the relay cup. Transplantation becomes possible. (2) Since water is sprayed onto the transport plate through the fluid introduction hole, cleaning on the transport plate can also be performed at the same time, and stable seedling transport by the seedling transport section becomes possible. (3) The irrigation function can be performed simultaneously with the transplantation of the seedling, and a rational transplanting operation can be performed.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view of a transplanter provided with a seedling supply device according to the present invention. FIG. 2 is an explanatory view in plan view of the vegetable transplanter. FIG. 3 is an explanatory diagram in plan view of the seedling supply device. FIG. 4 is an explanatory diagram showing a main part of the seedling supply device. FIG. 5 is an explanatory sectional view taken along line II of FIG. 3; FIG. 6 is an explanatory diagram of a seedling supply device according to another embodiment. [Explanation of Signs] 18 Planting claw 26 Extruder 27 Carrier plate 28 Fluid introduction hole 29 Fluid ejection port a Pot seedling A Seedling tray Y Vegetable transplanter

Claims (1)

(57) [Claims] [Claim 1] A pot seedling (a) is taken out from the seedling tray (A), and the pot seedling (a) is vertically moved via a relay cup (37).
In a vegetable transplanter configured to transfer seedlings by supplying them to a movable hopper-shaped planting claw (18), an extruder (2) that pushes out a potted seedling (a) from the seedling tray (A).
6), and a transport plate (27) for receiving the extruded pot seedlings (a) and transporting the seedlings to a position above the planting claws (18) ,
Rutotomoni provided a fluid inlet hole (28) in the carrier plate (27), the transfer plate
(27) is steeply inclined above the relay cup (37).
Serial so as to face the fluid introduction hole (28), vegetable transplanter seedling supply device, characterized by comprising a fluid jet port (29) on the back side position location of the carrier plate (27).