JP3624297B2 - Sowing equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a sowing apparatus used when seeds having a substantially flat oval shape, for example, from a moss family are seeded in each cell of a seedling tray with the germination direction aligned.
[0002]
[Prior art]
As shown in, for example, Japanese Patent Application Laid-Open No. 5-284813, a conventional seed sowing apparatus includes a nozzle that sucks a portion of each seed, a movable seed reservoir that allows the seed to face the nozzle mouth, and the seed A driving mechanism for moving the reservoir; a moving mechanism for moving the nozzle between the seed reservoir and the sowing hose; and a transport device for transporting a seedling tray to the lower side of the nozzle. Move to the reservoir side, suck one of the seeds in the nozzle to the nozzle port, and then move the nozzle to the seeding hose side with the moving mechanism, It discharges | emits to a sowing hose, and it is made to sow in each cell of the said seedling raising tray through this hose.
[0003]
By the way, in general, when raising a plant of a vine family, for example, a potato, in the field, the potato is prone to continuous cropping failure. ing. In recent years, such grafting seedlings are automatically performed using a robot. In order to perform automatic grafting seedlings using this robot, the seeds of potato and pumpkin are placed in each cell of the seedling tray. In order to control the robot, it is necessary to sow the seeds in the same direction and to align the directions of the leaves that germinate from these offspring.
[0004]
[Problems to be solved by the invention]
However, when using the above-seeding device to seed seeds of potato and pumpkin continuously in each cell of the seedling tray for each predetermined pitch, the seeds of these urchinaceae plants are substantially flat elliptical, When the seeds released from the nozzle to the sowing hose reach each cell of the seedling tray through the hose, the seeds freely roll and direct in any direction, and the direction of these various children It is difficult to sow seeds in a uniform manner, and the directions of leaves sprouting from various offspring cannot be aligned in the same direction. Therefore, conventionally, after seeding, seed direction control is performed while confirming the seed direction with a visual device or the like having an image processing function, but this seed direction control is complicated and efficiency is poor. However, there is also a problem that the overall cost increases.
[0005]
A main object of the present invention is to provide a sowing apparatus that can sow seeds in the same direction and can eliminate direction control after sowing.
[0006]
[Means for Solving the Problems]
In order to achieve the above main object, as shown in FIGS. 1 and 2, the invention described in claim 1 is a suction nozzle for sucking seeds in a seed reservoir in which seeds are stored, and the suction nozzle is used for seed suction. A moving mechanism for moving the position to the position of the seed sowing port, a guide tube having the seed sowing port at its upper end and a seed discharging part at its lower end, and a seed below the seed discharging part In a seeding device having a seeded body having a concave guide path to be slid, a pressure suppressor for forming a seeding hole having a V-shaped cross section in a packed bed soil filled in each cell of a seedling tray having a plurality of cells The concave guide path has a V-shaped cross section, and the direction of the concave guide path is set to be a direction that should be orthogonal to a plane that forms the cross-sectional V shape of the seeding hole.
[0007]
In order to make it easy to slip the seeds aligned in the same direction, the invention according to claim 2 is provided with vibration applying means for applying vibration to the seeded body as shown in FIGS. It was.
[0008]
[Effects of the invention]
In the invention according to claim 1, a seeding hole having a V-shaped cross section can be formed in the packed bed soil in each cell of the seedling tray, and the flat seed has a V-shaped cross section in which the lower end side is sharpened. Since the seedlings can be seeded from the concave guideway in the seeding hole with the germination part aligned in one direction, the control is performed accurately when each seedling grown in each cell is contacted by a robot. And reliable seedlings.
[0009]
In the invention described in claim 2, since the seed that slides downward along the concave guide path can be slid by the vibration applying means, the seed can be easily slid downward and can be sown quickly at an appropriate position. It is.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
The seeding device shown in FIG. 1 and FIG. 2 is mainly used when seeding flat oval seeds of leguminous plants in each cell of the seedling tray with the germination direction aligned, and intermittent transport The apparatus main body 100 is arranged on the upper part of the conveyor type conveying apparatus 4 for performing the seeding, and the main body 100 is used for sowing with a normal section V shape on the packed bed soil B in each cell C formed in a plurality of sections in the vertical and horizontal directions of the seedling tray T While supporting the pressure suppression part 200 which has the pressure suppression tool 1 which forms the hole H, the cylinder 21 and the rod 22, and was equipped with the raising / lowering apparatus 2 of the air or hydraulic type which moves the pressure suppression tool 1 to an up-down direction, for seeding In the hole H, the sowing part 300 for sowing seeds A of the family plant is supported.
[0011]
The pressure-reducing tools 1 provided in the pressure-reducing section 200 include one piece in the feeding direction of the transport device 4 and the same number as the width direction of the cells C provided in the nursery tray T in the width direction. It is connected to the rod 22 of the device 2 via the holder 11. The cylinder 21 of the elevating device 2 is supported on the main body 100 via a vertical adjustment mechanism 23 and a horizontal adjustment mechanism 24.
[0012]
The seeding unit 300 includes a pipe 60 connected to a suction blower disposed in the width direction of the transport device 4 and seeds arranged in parallel with the number of the cells C in the width direction below the pipe 60. The movable seed reservoir 5 communicates via a hose 52 with a suction hopper 51 and a hose 52 of a seed supported by the arm portion 101 of the main body 100 and allows the seed to face the nozzle port 61 of each suction nozzle 6. And an operation link 33, 34 connected to the drive shaft 32 of the motor 31, and the connection shaft 35 provided on the distal end side of the link 34 causes the seed reservoir 5 to be located at the position indicated by the solid line in FIG. Each suction nozzle 6 that has a drive mechanism 3 that rotates and moves between the imaginary line position and a moving body 73 that is moved by a horizontal moving cylinder 71 and a vertical moving cylinder 72 and that is held by the moving body 73 is indicated by arrows in the figure. As before The inrush position to the seeds reservoir 5 and a moving mechanism 7 for moving between the funnel-shaped seeding opening 8 which is arranged on the lower side of each nozzle 6. Further, the same number of seed discharge portions 81 as the number of the cells C in the width direction are provided on the lower side of the sowing ports 8, and the discharge portions 81 are connected via communication hoses 82. Each seeding port 8 is connected.
[0013]
Thus, in the above seeding device, a seeded body 9 having a generally rectangular shape for receiving the seed A, which is a substantially flat oval shape of the moth family plant, is provided below the various child emitting parts 81 and the seed emitting part 81. The tip side is inclined so that the tip side faces the sowing hole H having a V-shaped cross section formed in the floor soil B of each cell C by the pressure suppressor 1. A concave guide that guides the seed A to the sowing hole H while supporting the seed A 9 while sliding the seed A supplied from the discharge parts 81 in a downward direction with the direction of the seed A aligned. A path 91 is formed.
[0014]
As a preferred embodiment, as is apparent from FIG. 3, a flat portion 90 is provided at a predetermined interval in the upper surface width direction of the seeded body 9, and the various child emitting portions 81 are opposed to each other between the flat portions 90. A concave guide path 91 having a V-shaped front section with a sharp lower end is formed. The direction of the concave guide path 91 is a direction that should be orthogonal to the plane that forms the cross-section V shape of the sowing hole H as shown in FIG.
[0015]
Next, the procedure in the case of performing seeding work with the above seeding apparatus will be described. First, at the time of sowing work, when each cell C of the seedling tray T is transported to the position opposite to the pressure suppressor 1 by the transport device 4, the cells C of the seedling tray T are filled by the pressure suppressor 1. A seeding hole H having a V-shaped cross section is formed in the floor soil B. Thereafter, each cell C is transported to the tip side of the seeded body 9 by the transport device 4, and at this time, each nozzle 6 is moved to the seed reservoir 5 side by the moving mechanism 7, and the seed A inside thereof is transferred. Is sucked into each nozzle port 61 one by one, and then each nozzle 6 is moved to the sowing port 8 side by the moving mechanism 7 so that the seed A sucked into each nozzle port 61 is transferred to each sowing port 8. And is dropped and supplied onto the seeded body 9 through a communication hose 82 provided at each seeding port 8.
[0016]
The seed A dropped and supplied onto the seeded body 9 is guided while sliding downward along the guide paths 91 provided on the seeded body 9. Since the lower end side has a sharp shape that is shorter than the major axis and the minor axis direction length of the seed A, the major axis direction of each child A is the guide of each of the various children A. The germination part A1 positioned on the distal end side in the major axis direction of each child A can be aligned so as to be directed in the same direction as the path 91, that is, in the same direction as each guide path 91. Accordingly, the various children A guided by the respective guide paths 91 are germinated from the tip side of the respective guide paths 91 into the sowing holes H having a V-shaped cross section provided in the floor soil B in each cell C. Can be seeded in a state aligned in one direction, and as a result, the direction of each leaf that germinates from the germination part A1 of the various offspring A can be aligned in the same direction and is grown in each cell C. When each seedling is contacted by a robot, the control can be accurately performed to reliably connect the seedling.
[0019]
Furthermore, it is preferable that vibration applying means 10 for applying vibration to the seeded body 9 is attached to the seeded body 9. As the vibration applying means 10, in the embodiments shown in the drawings, the vibration applying means 10 includes four leaf springs and the like that are interposed between the front and rear left and right four positions of the seeding body 9 and the apparatus main body 100 and elastically support the vibration body 9. An elastic support body 10a and an eccentric cam body 10d that is connected to a rotating shaft 10c of a motor 10b supported by the apparatus main body 100 and vibrates the seeding body 9 in the vertical direction as the rotating shaft 10c rotates. Yes.
[0020]
When the seed A dropped and supplied to the seeding body 9 is slid downward along the concave guide path 91, the seeding body 9 is vibrated in the vertical direction by the eccentric cam body 10d as the motor 10b is driven. As a result, the seeds A on the guide path 91 can be moved more accurately and aligned more accurately, and the seeds can be easily slid downward, so that the seeds can be quickly sown in the seeding holes H in the cells C. It can be done.
[Brief description of the drawings]
FIG. 1 is a partially cutaway side view showing the overall structure of a seeding apparatus according to the present invention.
FIG. 2 is a front view of the same.
FIG. 3 is a partially omitted perspective view showing a seeding body.
[Explanation of symbols]
81 ... Seed discharging part, 9 ... Seeded body, 91 ... Concave guide path, 10 ... Vibration applying means, A ... Seed

Claims (2)

A suction nozzle for sucking seeds in a seed reservoir in which seeds are stored, a moving mechanism for moving the suction nozzle to a seed suction position and a seed sowing port, and the seed sowing port at the upper end thereof, a guide tube having a seed discharge portion at the lower end, the sowing apparatus having a seed having a concave guideway sliding the seeds downward to the lower side of the seed discharge unit, each of the cells of the seedling tray having a plurality of cells A pressure suppressor to form a sowing hole with a V-shaped cross section is provided in the filled bed soil filled therein, and the concave guide path has a V-shaped cross section, and the direction of the concave guide path is set to the sowing A seeding device having a direction that should be orthogonal to a surface that forms a cross-sectional V shape of the hole . Seeding device according to claim 1, wherein comprises a vibrating hand stage for vibrating the seeding member.

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