JPH07322716A - Multipurpose seeding plant - Google Patents

Abstract

PURPOSE:To make it easy to switch the seeding process while reducing the facility cost by making it possible to perform both the seeding works for paddy rice and for vegetable and flower by one conveyor line. CONSTITUTION:This multipurpose seeding plant involves a bed soil feeder, a seeding unit for vegetable, a seeding unit for paddy rice and a covering soil feeder arranged in order on a conveyor line for conveying raising boxes 1. In this multipurpose seeding plant, the conveyor line is equipped with a high- speed conveyor motor 28 for seeding for paddy rice and a low-speed conveyor motor 30 for seeding for vegetable. Both the motors 28 and 30 can be selectively switched.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention In the present invention, a bed soil feeder, a vegetable seeder, a paddy rice seeder, and a cover soil feeder are arranged in this order on a conveyor line which conveys a nursery box. Multi-purpose seeding plant.

[0002]

2. Description of the Related Art The above-mentioned multi-purpose sowing plant is designed to reduce the equipment cost by making it possible to perform the sowing process for paddy rice and the sowing process for vegetables and flowers on one conveyor line. is there. By the way, when performing the seeding step for paddy rice in the above-mentioned multi-purpose seeding plant, since it is sufficient to perform the seeding substantially uniformly over the entire surface of the bed soil supplied to the nursery box without a partition, the vicinity of the seeding device In the case of performing seeding process for vegetables and flowers as well, it is possible to continuously send the nursery boxes even in the case of Since it is necessary to surely perform seeding one by one on the surface of the bed soil supplied to, it is necessary to intermittently send out the tray near the seeding device,
When carrying out the seeding step for paddy rice, it is necessary to extremely slow the carrying speed for the trays when carrying out the seeding step for vegetables and flowers. By the way, the tray for vegetables and flowers may be used alone or may be placed in a nursery box and used.

Therefore, conventionally, by replacing the drive sprocket or the driven sprocket of the chain type transmission interposed between the electric motor and the conveyor, and changing the gear ratio between the drive sprocket and the driven sprocket, The transport speed according to each seeding process was obtained.

[0004]

However, the work of exchanging the drive sprocket or the driven sprocket of the chain type transmission requires a considerable amount of work, and when the above-mentioned prior art is used, the seeding step is not performed for paddy rice. There is room for improvement in order to simplify the work, because it takes time and effort each time it is switched to vegetables and flowers.

An object of the present invention is to make it possible to perform the seeding step for paddy rice and the seeding step for vegetables and flowers on a single conveyor line so as to reduce the equipment cost and facilitate the operation of switching the seeding step. It is to be able to plan.

[0006]

In order to achieve the above object, according to the present invention, a bed soil supplying device, a vegetable sowing device, a paddy rice sowing device, on a conveyor line for conveying a nursery box.
And, in a multi-purpose sowing plant in which a soil covering supply device is arranged in that order, the conveyor line is provided with a high-speed transfer motor for sowing rice and a low-speed transfer motor for sowing vegetables, and both motors are selected. It is configured to be switchable.

[0007]

According to the present invention, when the seeding step for paddy rice is performed, the low speed transfer motor for seeding vegetables is stopped and the high speed transfer motor for seeding rice is driven to adjust the seeding speed for paddy rice. In addition, a relatively high transfer speed can be easily obtained.When performing the seeding process for vegetables and flowers, the high-speed transfer motor for seeding rice is stopped and the low-speed transfer motor for seeding vegetables is driven. By doing so, it is possible to easily obtain a relatively slow transfer speed according to the seeding speed for vegetables and flowers. In other words, since the carrying motor can be selected and used according to the application, it is not necessary to replace the drive sprocket or the driven sprocket of the chain type transmission.

[0008]

Therefore, according to the present invention, since it is possible to obtain the conveying speed corresponding to each sowing step by only switching to the conveying motor according to the application, the sowing step for paddy rice and the vegetables / floral The seeding process and the seeding process can be performed by a single conveyor line, and the plant cost can be reduced while the seeding process switching work can be facilitated.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

As shown in FIGS. 1 to 3, the multi-purpose seeding plant has a nursery box 1 or a tray 2 for vegetables and flowers placed on the nursery box 1 on a conveyor line A which conveys the nursery box 1. Floor soil supply device 3 for supplying floor soil to each pot portion 2a formed in a plurality of rows and columns, vegetables or flowers coated on the surface of the floor soil supplied to each pot portion 2a of the tray 2. Adsorption type or drop type vegetable seeding device 4 for sowing seeds one by one, spray type paddy rice irrigation device 5 for supplying water to bed soil supplied to seedling raising box 1, supply to seedling raising box 1 Paddy rice seeding device 6 for substantially evenly seeding paddy rice seeds over the entire surface of the ground soil
Each pot portion 2a of the seeded nursery box 1 or tray 2
By arranging a soil cover supplying device 7 for supplying soil to the soil, a spray type vegetable irrigation device 8 for supplying moisture to the soil covering the tray 2, and the like in that order from the upper side in the transport direction. It is configured so that a seeding process for paddy rice and a seeding process for vegetables and flowers can be performed.

The bed soil supply device 3 is arranged on the upstream side of the chain transfer type first transfer conveyor 10 provided on the upper surface of the gantry 9 in the transfer direction, and the first transfer conveyor 10 with respect to the bed soil supply device 3 is installed. On the lower side in the conveying direction of the first crushing roller 1 for sown vegetables, which crushes the bed soil supplied to the tray 2.
No. 1 and the second crushing roller 12, the first leveling brush 13 and the second leveling brush 14 for seeding paddy rice to level the bed soil supplied to the nursery box 1, and the floor supplied to each pot portion 2a of the tray 2. There are provided a shaping roller 15 for forming a seed hole a for dropping vegetables or seeds of flowers on the surface of the soil, and a corner press 16 for suppressing the bed soil raised at the corner of the seedling raising box 1. . That is, the floor soil supply device 3, the gantry 9, the first conveyor 10, the first compression roller 1
1, the second compression roller 12, the first leveling brush 13, the second leveling brush 14, the shaping roller 15, and the corner press 16 constitute the floor soil supply unit B in a unitized state.

As shown in FIG. 1, the vegetable sowing device 4 comprises:
The chain transmission type second transfer conveyor 18 provided on the upper surface of the gantry 17 is disposed at a substantially central portion. That is, the vegetable seeding device 4, the gantry 17, and the second conveyor 1
8, the vegetable seeding part C is configured in a unitized state.

The irrigation device 5 for paddy rice is arranged on the upper side in the carrying direction of the third transfer conveyor 20 of the chain transmission type provided on the upper surface of the pedestal 19, and the third transfer conveyor 20 for the irrigation device 5 for rice is provided. On the lower side in the transport direction of No. 3, an operation panel 21 having a control device H for controlling the operation of various devices in the multipurpose seeding plant is provided, and the rice seeding device 6 is provided. That is, the paddy rice seeding unit D is configured by the paddy rice irrigation device 5, the paddy rice seeding device 6, the pedestal 19, the third conveyor 20, and the operation panel 21.

The soil cover supplying device 7 is arranged on the upper side of the chain transmission type fourth conveyer conveyor 23 provided on the upper surface of the pedestal 22 in the conveying direction, and conveys the fourth conveyer conveyor 23 to the soil cover supplying device 7. The vegetable irrigation device 8 is disposed on the lower side in the direction. That is, the soil cover supply device 7, the vegetable irrigation device 8, the gantry 22, and the fourth transfer conveyor 23.
The cover soil supply unit E is configured as a unit.

The first conveyor 10 of the bed soil supplying section B, the second conveyor 18 of the vegetable seeding section C, and the rice seeding section D
The third conveyor 20 and the fourth conveyor 23 of the soil covering supply section E constitute a conveyor line A. As shown in FIGS. 2 to 4, the first transfer conveyor 10
Is a pair of left and right supporting frames 24, a plurality of rotating shafts 25 spanning the pair of left and right supporting frames 24 at a predetermined interval, and a rubber conveying roller externally fitted and fixed to both ends of each rotating shaft 25. 26, a high-speed transport motor 28 for seeding rice, which drives each rotating shaft 25 at a relatively high speed via a chain type transmission mechanism 27, and each rotating shaft 25 relatively via a chain type transmission mechanism 29. It is constituted by a low-speed transport motor 30 for sowing vegetables, which is driven at a low speed. The high-speed transport motor 28 for seeding rice and the low-speed transport motor 30 for seeding vegetables are configured to be selectively switchable according to the seeding process to be performed. Reference numeral 31 in FIG. 4 is a one-way clutch, and when one of the high speed transport motor 28 and the low speed transport motor 30 is in a driving state, the power thereof is not transmitted to the transport motor in the stopped state. That is, the load of the stopped conveyance motor is not applied to the driven conveyance motor. As shown in FIG. 5, each of the second transfer conveyor 18, the third transfer conveyor 20, and the fourth transfer conveyor 23 hangs over a pair of left and right support frames 32 and a pair of left and right support frames 32 at predetermined intervals. The plurality of passed rotary shafts 33, the rubber-made conveying rollers 34 externally fitted and fixed to both ends of each rotary shaft 33, and the respective rotary shafts 33.
Is constituted by a conveyance motor 36 that drives the gears at a relatively high speed via a chain type transmission mechanism 35.
Incidentally, as the first transfer conveyor 10, the second transfer conveyor 18, the third transfer conveyor 20, and the fourth transfer conveyor 23, belt type ones configured by endless belts or the like may be adopted.

The vegetable seeding section C will be described in detail. As shown in FIGS. 1, 6 and 7, the vegetable seeding apparatus 4 is provided at the vegetable seeding section C at the location where the vegetable seeding apparatus 4 is disposed.
The first sensor S1 for detecting that the pot portion 2a of the tray 2 is located at the seeding position of
When the potting section 2a of the tray 2 is detected by the first sensor S1 in the case where the seeding step for flowering is being performed, the controller H stops the transport motor 36 of the second transport conveyor 18 for a predetermined time each time. At the same time, the carry motor 36 of the second carry conveyor 18 is restarted after the predetermined time. That is, the vegetable seeding device 4
At the time of sowing, the second transfer conveyor 18 is intermittently driven by the operation control of the control device H, and
The second conveyor 18 in which the vegetable seeding device 4 is intermittently driven.
The seeds are sown on the tray 2 at the time of stopping, so that the seeding device 4 for vegetables can dispense one seed to the seed holes a of the soil fed to the pots 2a of the tray 2. It is possible to reliably supply coated vegetables or flower seeds row by row. As the first sensor S1, for example, as shown in FIG. 6, a light emitting portion 37a that emits light toward the pot portion 2a of the tray 2 and a light emitting portion 37a that passes without being blocked by the pot portion 2a of the tray 2. It may be a non-contact type such as an optical sensor 37 configured by a light receiving portion 37b for receiving light from the tray 2, or the upper surface of the tray 2 in which the pot portion 2a is formed as shown in FIG. A contact type switch such as the limit switch 38 that contacts the above from above may be used.

As shown in FIG. 1, the vegetable seeding device 4 of the vegetable seeding section C has a tray 2 which is conveyed by a second conveyer conveyor 18 to a seeding portion (not shown) of the vegetable seeding device 4. A non-contact type second sensor S2 for detecting the height of the sensor is provided. As the second sensor S2, for example, an optical sensor or an ultrasonic sensor can be adopted. The second transfer conveyor 18 is supported by the mount 17 via a lift mechanism (not shown). Then, the control device H of the operation panel 21 operates the lift mechanism to move up and down the second conveyor 18 so that the height of the tray 2 detected by the second sensor S2 shows a desired constant value. It has become. That is, at the time of sowing by the vegetable sowing device 4, the distance between the sowing portion of the vegetable sowing device 4 and the surface of the tray 2 is always initialized regardless of the difference in the tray height due to the difference in the type of the tray 2. Further, it is possible to maintain a constant and suitable sowing interval, whereby the sowing accuracy of the vegetable sowing device 4 is improved.
In addition, in order to maintain the distance between the seeding part of the vegetable seeding device 4 and the surface of the tray 2 at a constant and suitable seeding interval, instead of raising and lowering the second conveyor 18 by the lift mechanism, a lift mechanism is used. The vegetable seeding device 4 may be moved up and down according to. Further, as the lift mechanism, a fluid pressure type or electromagnetic type lift cylinder, a screw feed mechanism or the like can be adopted.

The floor soil supplying section B will be described in detail with reference to FIGS.
As shown in FIG. 3, the first leveling brush 13 and the second leveling brush 14 are vertically swingable. The embossing roller 15 is configured to be vertically movable between an operating position and a non-operating position. The corner press 16 is configured to be vertically swingable between an acting posture and a non-acting posture. When performing the seeding step for paddy rice, the first leveling brush 13 enters the inside of the nursery box 1 to level the floor soil and sweep out excess soil, as shown in FIG. 2. In the case of performing the seeding process for vegetables and flowers, as shown in FIG. 3, the tray 2 placed on the seedling raising box 1 is used.
The surplus soil that has spilled out on the upper surface of the above is wiped out, and the floor soil adhering to the first compression roller 11 is swept away by coming into contact with the first compression roller 11. Second level brush 1
In the case of carrying out the seeding process for paddy rice, as shown in FIG. 2, the patterning roller 4 is switched to the non-acting position so that it enters the inside of the seedling raising box 1 to level the soil. ing. Further, in the case of performing the seeding process for vegetables and flowers, as shown in FIG. 3, the floor soil adhering to the patterning roller 15 switched to the operating position is wiped off. When performing the seeding process for paddy rice, the corner press 16 is switched to the action posture shown in FIG. 2 so as to suppress the bed soil raised at the corner of the seedling raising box 1.
Further, in the case of performing the seeding process for vegetables and flowers, the non-acting posture shown in FIG. 3 can be switched.

When the control device H is instructed to perform the seeding step for paddy rice by the manual operation of the operation panel 21, the first conveyer conveyor 10 is the second conveyer conveyor 1 of the vegetable seeding section C.
Since 8 is driven at a relatively high transfer speed, the high-speed transfer motor 28 for seeding rice is automatically selected and used,
The second transport conveyor 18 is driven at a relatively high transport speed which is synchronized with the transport speed of the second transport conveyor 18. in this case,
The floor soil supply device 3 is configured to continuously feed the floor soil at a relatively high payout speed that is synchronized with the carrying speed of the second carrying conveyor 18. Further, when the controller H is instructed to perform the seeding process for vegetables and flowers by the manual operation of the operation panel 21, the second conveyor 18 of the seeding part C for vegetables 18
Is driven intermittently, the low-speed transfer motor 30 for sowing vegetables is automatically selected and used, and the second transfer conveyor 18
It is designed to be driven at a relatively low transport speed which is synchronized with the intermittent transport speed. In this case, floor soil supply device 3
Is adapted to continuously feed the bed soil at a relatively slow feeding speed synchronized with the intermittent feeding speed of the second carrying conveyor 18.

As shown in FIGS. 1 to 3 and 8, the end portion of the first conveyor 10 is provided with a third sensor S3 for detecting that the tray 2 has been conveyed to the end portion. Then, in the case where the seeding process for vegetables and flowers is performed, the control device H of the operation panel 21 controls the tray 2 at the rear while the seeding device 4 for vegetables is seeding the tray 2. When the third sensor S3 detects that the seeds have been transported to the end portion of the first transport conveyor 10, the first transport conveyor 10 is decelerated or stopped until the seeding of the other tray 2 by the vegetable seeding device 4 is completed. It is designed to let you. That is, the first transfer conveyor 10
Despite being driven at a relatively low transfer speed that is synchronized with the intermittent transfer speed of the second transfer conveyor 18, for the tray 2 that is being seeded by the seeding device 4 for vegetables, It is possible to avoid an inconvenience such that the rear tray 2 collides and one seed cannot be surely sown into one pot portion 2a. As the third sensor S3, for example, as shown in FIG. 8, the seedling raising box 1 on which the tray 2 is placed, or the light emitting portion 39a that emits light toward the tray 2, and the seedling raising box 1 on which the tray 2 is placed or Light receiving portion 39b for receiving the light from the light emitting portion 39a that has passed without being blocked by the tray 2.
It may be a non-contact type such as an optical sensor 39 configured by and, though not shown, contact with a nursery box 1 on which the tray 2 is placed or a limit switch that contacts the tray 2. It may be of a mold.

It should be noted that reference numerals are given in the claims for convenience of comparison with the drawings, but the present invention is not limited to the configurations of the accompanying drawings by the entry.

[Brief description of drawings]

Figure 1: Overall side view of a versatile seeding plant

[Fig. 2] Side view of the bed soil supply unit during the seeding process for paddy rice

[Fig. 3] Side view of the bed soil supply unit during the seeding process for vegetables and flowers.

FIG. 4 is a sectional view taken along the line EE in FIG.

5 is a cross-sectional view taken along the line of FIG.

FIG. 6 is a diagram showing a configuration of a first sensor.

FIG. 7 is a diagram showing another configuration of the first sensor.

FIG. 8 is a diagram showing a configuration of a third sensor.

[Explanation of symbols]

 1 Nursery Box 3 Bed Soil Supply Device 4 Vegetable Seeding Device 6 Paddy Rice Seeding Device 7 Soil Covering Supply Device 28 High Speed Transfer Motor 30 Low Speed Transfer Motor A Conveyor Line

Claims (1)

[Claims] 1. A bed soil feeder (3), a vegetable seeder (4), a paddy rice seeder (6), and a cover soil feeder on a conveyor line (A) which conveys a nursery box (1). (7) is a multi-purpose sowing plant in which the high-speed conveying motor (28) for sowing rice and a low-speed conveying motor (30) for sowing vegetables are arranged on the conveyor line (A).
And a multi-purpose seeding plant configured so that both motors (28, 30) can be selectively switched.