JP2002330606A - Seeder for pot - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve problems that a seeder for pots is operated even on an edge of a pot tray for raising seedlings because the distance between a perforating device and a seeding device is increased when the perforating device is installed in a conventional vacuum suction type seeder. SOLUTION: This seeder for the pots is obtained by continuously arranging the perforating device 5 and a seeding device 4 on a transporting conveyor 3, installing a perforation sensor 33 for controlling the operation of the perforating device 5 and a seeding sensor 36 for controlling the operation of the seeding device 4 on the sides of the former steps of the respective devices 5 and 4 on the transporting conveyor 3 and composing the perforating device 5 of the perforation sensor 33, a perforation supporting frame 22 provided so that the position can be regulated in the transporting direction and vertical directions, a perforation cylinder 26 mounted in the vertical directions in the perforation supporting frame 22, a perforation rod 27 mounted on the tip of a piston rod of the perforation cylinder 26 and a positioning plate 32 integrally mounted on the perforation rod 27.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pot sowing machine for filling seedlings into a seedling raising tray in which seedling raising pots are formed in a grid pattern, dropping seeds into the pots, and sowing. The present invention relates to a technique of a drilling device for forming a concave seeding hole on the surface of a floor soil.

[0002]

2. Description of the Related Art Conventionally, in a seedling plant for raising seedlings, seedling pot trays in which seedling pots are formed in a grid pattern are sequentially conveyed one by one by a conveyor, filled with floor soil, and a seeding hole is formed. A technique of dropping seeds into a pot for sowing, covering the soil, and performing irrigation is known.

[0003] In a pot sowing machine for sowing,
A drilling device that forms a hole before seeds are dropped and seeded is arranged with a cylinder in the vertical direction, and the same number of drilling rods as the number of pots in the seedling raising tray are juxtaposed at the tip of the piston rod of the cylinder. Drilling was performed by moving the tray up and down in accordance with the transport of the tray. For example, Japanese Patent Application Laid-Open No. Hei 5-28413.

[0004]

According to this technique, a boring device is arranged on a pre-process side of a sowing position of a pot sowing machine, and the boring device can adjust a pressure-suppressing device in a vertical direction and a traveling direction of a seedling raising tray. And moved up and down in accordance with the drive of the conveying device of the seedling raising pot tray.

However, the drilling position and the seeding position are arranged at positions shifted by several pitches from the pitch of the pot of the seedling raising tray with respect to the traveling direction, and the pot is detected by one sensor. Since the seed was dropped into the hole of the pot after being driven and drilled, the drilling device was also driven when the seed was sown in the last pot of one seedling raising pot tray. At this time, if the next seedling-raising pot tray is continuously transported, the punching device hits the edge of the front end of the seedling-raising pot tray, damaging the seedling-raising pot tray or giving vibration to the seedling-raising pot tray, causing the transport position to shift. Or something. Therefore, in the present invention, the driving of the drilling device and the seeding device is detected by separate sensors and driven.

[0006]

In order to solve the above problems, the present invention uses the following means. In claim 1, a pot sowing machine for continuously arranging a piercing device and a sowing device on a conveyor, piercing a hole in the floor soil filled in a pot of a seedling raising tray, and sowing the hole. In, a punching sensor for controlling the operation of the drilling device and a seeding sensor for controlling the operation of the seeding device were provided on the pre-process side of each device on the conveyor.

In the second aspect, the drilling device is
The drilling sensor, a drilling support frame provided so that the position can be adjusted in the transport direction and the vertical direction, a drilling cylinder vertically mounted on the drilling support frame, and a drilling rod attached to the tip of the piston rod of the drilling cylinder. It consisted of a positioning plate integrally attached to the drilling bar.

[0008]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is a front view of a seeder for pots of the present invention, FIG. 2 is a perspective view of the same, FIG. 3 is a front view of a seeder, FIG. 4 is a front view of a drilling apparatus, FIG. 5 is a perspective view of the same, and FIG. It is a block diagram.

A pot seeder 1 equipped with a drilling device according to the present invention will be described with reference to FIG. 1 and FIG. In the pot sowing machine 1, a transport conveyor 3 is arranged on a transport gantry 2 having a transport frame 2b laid on supports 2a. The transport conveyor 3 is driven to one end (the right side in this embodiment) of the transport gantry 2. A roller 11 is disposed, a tension roller (driven roller) 12 is disposed at the other end (left side), and the transport belt 1 is disposed between the driving roller 11 and the tension roller 12.
3, the drive roller 11 can be driven by a transport motor 14 provided at one end of the transport gantry 2.
The transport motor 14 is connected to and controlled by a controller 16 in a control box 6 provided on the transport gantry 2.

[0010] A seeding device 4 is arranged on the transporting gantry 2, and a drilling device 5 of the present invention is provided on a pre-process side of the seeding device 4.
Is disposed, and an air control unit 7 is disposed on a post-process side of the sowing apparatus 4, and a control box 6 is disposed on the process side thereafter. The air control unit 7 sets the suction pressure for sucking the seeds and the air pressure of the compressed air for operating the air cylinder, and controls the electromagnetic valve so as to discharge or suck. The solenoid valve is connected to the controller 16.

As shown in FIG. 3, the seeding apparatus 4 supports a hopper 41 for storing seeds in a case 40 via a parallel link so as to swing freely, and arranges a suction nozzle 42 above the hopper 41. The hopper 41 is connected to the oscillating cylinder 43, and the hopper 41 is oscillated by expanding and contracting the oscillating cylinder 43 so that the seeds are adsorbed when the hopper 41 is positioned below the adsorption nozzle 42. When the dropper 41 is swung to position the drop port 41a formed at the end of the hopper 41 below the suction nozzle, the suction is released, and the seed is dropped into the guide hose 44 disposed below the suction nozzle 42. Thus, the guide hose 44 causes the seedling raising tray 10 to drop onto the pot 10a.

The oscillating cylinder 43 is connected to the electromagnetic valve 17 disposed in the air control unit 7 via a pipe.
The suction nozzle 42 is connected to an electromagnetic valve 18 disposed in the air control unit 7 via a suction hose (not shown), and the electromagnetic valves 17 and 18 are connected to the controller 16 and can be controlled as shown in FIG. I have to.

As shown in FIGS. 4 and 5, in the drilling device 5 of the present invention, a support shaft 21 is installed between support frames 15 and 15 erected on both front and rear sides of the transport base 2.
A supporting frame 22 is fixedly provided at the center of the front and rear of the supporting frame 22. Supporting stays 22a and 22b are provided below the left and right sides of the supporting frame 22 so as to be vertically suspended.
The guide shafts 23 and 23 and the screw rod 24 are laid horizontally in the left-right direction between the guide shafts 23 and 22b.
3. Supporting portions 25b and 25c provided above sliding body 25
Are slidably supported, and the support portion 25b is slidably penetrated through the guide shaft 23, and is screwed into the screw rod 24.

A handle 26 is provided at one end of the screw rod 24. By rotating the handle 26, the sliding body 25 can be moved in the left-right direction, and a hole bar 27 described later can be adjusted in the left-right position. It is. In addition,
A fixing bolt 30 is screwed toward the guide shaft 23 on the front surface of the support portion 25b of the sliding body 25, and the sliding body 25 can be fixed by tightening the fixing bolt 30.

An elongated hole 25a is formed in the front surface of the sliding body 25 in the vertical direction. On the other hand, a drilling cylinder 26 is vertically arranged on the side surface of the sliding body 25, a mounting plate 29 is fixedly mounted on the side surface of the drilling cylinder 26, and one end of the mounting plate 29 is extended on the side surface of the elongated hole 25a. Thus, the height can be adjusted by being fixed at an arbitrary position of the elongated hole 25a by the fixing bolt 31. Note that scales are provided at positions near the fixing bolts 30 and 31 on the front surface of the drilling support frame 22 and the front surface of the sliding member 25 so that the fixing position of the sliding member 25 can be easily understood. The drilling cylinder 26 is connected via a pipe to an electromagnetic valve 19 disposed in the air control unit 7, and the electromagnetic valve 19 is connected to the controller 16 so as to be controllable.

At the tip of the piston rod 26a of the drilling cylinder 26, drilling rods 27, 27,... Are vertically provided in parallel with the number of the pots 10a in the width direction of the seedling raising pot tray 10 via a mounting plate 28. I have. The drilling rod 27 is formed in a columnar shape, and the lower part is formed in a conical shape. Drilling rods 27 having different sizes are prepared according to the type of the seedling raising pot tray 10 and the size of the drilled hole. The entire mounting plate 28 is replaced accordingly.

An L-shaped positioning plate 32 is formed from both sides of the mounting plate 2 to the front process side.
Is fixed. The positioning plate 32 is used to adjust the drilling rod 27 into the center of the pot when the drilling cylinder 26 is operated when the seedling raising tray 10 is conveyed. With the front ends of the holes abutting on each other, the drilling sensor 33 is positioned at the front end of the first row of pots 10a so that positioning can be performed. In other words, the positioning plate 32 is configured such that the drilling bar 27 is located above the first row of pots when the seedling raising tray 10 is driven by the integer multiple pitch conveyor 3.

The perforation sensor 33 fixes a support rail 34 on the transfer frame 2b in the transfer direction, and allows the mounting plate 35 to be fixed to the support rail 34 so that the position of the mounting plate 35 can be adjusted in the transfer direction. Further, the seeding sensor 36 is provided at a front position of the lower end of the seed guide hose 44 of the seeding device 4.
(FIG. 3) is arranged, and when the pot 10a is detected, the suction is released and the seed is dropped. The drilling sensor 33 and the seeding sensor 36 are configured by a photoelectric sensor or the like, and are connected to the controller 16 respectively.

The position adjustment of the drilling device 5 in such a configuration will be described. First, the seed falling port 44a (FIG. 3)
Is aligned with the center of the pot 10a of the seedling raising pot tray 10. Then, the drill 20 is lowered, and the handle 20 is rotated so that the hole 27 is aligned with the center of the pot. Thus, the seeding position and the drilling position are adjusted to the seedling raising pot tray 10. Next, nursery pot tray 1
0 is pulled out, and the edge 10b of the seedling raising tray 10 in the transport direction is brought into contact with the positioning plate 32 with the drilling rod 27 lowered, and the drilling sensor 33 is adjusted to be positioned in the first row of pots 10a. . Thus,
When the conveyor 3 is operated, drilling and sowing are performed in order.

That is, as shown in FIG. 6, the controller 16 has a piercing sensor 33 and a seeding sensor 36,
And the solenoid valve 17 for operating the oscillating cylinder 43, the solenoid valve 18 for operating the nozzle 42 and the drilling cylinder 2
The solenoid valve 19 for operating the motor 6 is connected and controlled as follows.

The seedling raising pot tray 10 is conveyed by driving the conveying belt 13 by the driving of the conveying motor 14, and when the piercing sensor 33 detects the first row of pots 10a, it is conveyed at a predetermined pitch and stopped. The first row of pots 10a is located below 27. Then, the drilling cylinder 26 is extended, the drilling rod 27 descends, and a hole is drilled on the floor soil. Drilling cylinder 26 after this drilling
Is reduced, the conveyor 3 is driven by one pitch, and the drilling cylinder 26 is extended again to perform drilling.
If the drilling sensor 33 does not detect the pot 10a, the hole is conveyed at a predetermined pitch and the drilling cylinder 26 is stopped after drilling.

The seeding device 4 is also driven at the same time as the driving of the drilling device 5, the suction nozzle 42 sucks one seed from the hopper 41, and the seeding sensor 36 sets the pot 10a.
When the pot 10a is located below the seed drop opening 44a on the post-process side, the adsorption is released and the seed is dropped,
The seeds are dropped into the holes formed by the drilling device 5. When the seeding sensor 36 does not detect the pot 10a, the seeding device 4 (the electromagnetic valves 17 and 18) is stopped.

[0023]

As described above, the present invention has the following effects. As described in claim 1, for a pot for arranging a piercing device and a sowing device continuously on a transport conveyor, piercing a hole in the floor soil filled in a pot of a seedling raising pot tray, and sowing the hole. In the seeding machine, a piercing sensor that controls the operation of the piercing device and a sowing sensor that controls the operation of the sowing device are provided on the front side of each device on the conveyor, so that the piercing device and the sowing device are each a pot. Can be operated separately by detecting the seedling pot trays when supplying seedling pot trays continuously and performing seeding work. The drilling rod of the drilling device did not contact the boundary where the rear end and the front end were in contact with each other, so that the nursery pot tray was not damaged or vibrated.

According to a second aspect of the present invention, the drilling device is provided with the drilling sensor, a drilling support frame provided so as to be capable of adjusting a position in a transport direction and a vertical direction, and a drilling cylinder mounted on the drilling support frame in a vertical direction. When,
Since the drilling cylinder is composed of a drilling rod attached to the tip of the piston rod of the drilling cylinder and a positioning plate integrally attached to the drilling rod, the drilling device can be arranged as close as possible to the seeding device. The position can be easily adjusted, and the stop positions of the punching device and the conveyor can be easily determined.

[Brief description of the drawings]

FIG. 1 is a front view of a pot seeder according to the present invention.

FIG. 2 is a perspective view of the same.

FIG. 3 is a front view of the seeding device.

FIG. 4 is a front view of the drilling device.

FIG. 5 is a perspective view of the same.

FIG. 6 is a control block diagram.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Seeding machine for pots 3 Conveyor 4 Seeding device 5 Drilling device 22 Drilling support frame 26 Drilling cylinder 27 Drilling rod 32 Positioning plate 33 Drilling sensor 36 Seeding sensor

 ────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Takashi Shiraki 6-5-12 Tsuchiyama, Himeji-shi, Hyogo Prefecture F-term in Agri-Techno Yazaki Corporation (Reference) 2B054 AA02 AA04 BA01 BB04 CA06 CB02 EA07 EA15 EA23

Claims (2)

[Claims] 1. A pot sowing machine in which a boring device and a sowing device are continuously arranged on a conveyor and a hole is formed in a bed soil filled in a pot of a seedling raising tray, and the hole is sowed in the hole. And a seeding sensor for controlling the operation of the drilling device and a seeding sensor for controlling the operation of the seeding device are provided on the conveying conveyor on a pre-process side of each device. 2. A drilling device, comprising: a drilling sensor, a drilling support frame provided so as to be position-adjustable in a conveying direction and a vertical direction, a drilling cylinder vertically mounted on the drilling support frame, and a drilling cylinder. 2. The seeder for pots according to claim 1, comprising a drilling rod attached to the tip of the piston rod, and a positioning plate integrally attached to the drilling rod.