JP2578518Y2 - Seeding equipment - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seeding apparatus for flowers and vegetables, which is small but can perform a series of seeding operations such as supply of soil to a plug tray, watering, sowing, and covering soil. .

[0002]

2. Description of the Related Art Conventionally, a sowing apparatus for sowing seeds such as flowers and vegetables in a pot one by one or several seeds has been known. In these sowing apparatuses, supply, sowing, leveling and covering of soil are required. -There was a sowing machine that performed a series of operations such as irrigation and stacking of seedling boxes.

[0003]

[Problems to be Solved by the Invention] A seeding machine capable of supplying, irrigating, sowing, covering up soil, etc. in a series of operations as described above can supply a large amount of seedling boxes sequentially to supply and sow the soil. This was a very large machine and was expensive, and the plug tray often swelled while being conveyed, which hindered the seeding.

[0004]

The problems to be solved by the present invention are as described above. Next, means for solving the problems will be described. The floor soil is fed into the pot 5a provided on the plug tray 5 by the floor soil supply device 7, and then the pot 5a
The bed soil in a is pressed by a pressure-reducing roller 18 constituting the leveling device 8.
In the configuration in which the pressure is pressed by the protrusion, the pressure-reducing roller 18 is freely rotatably supported, and is arranged on the outer periphery of the pressure-reducing roller 18 at a position not in contact with the plug tray 5,
Further, by pressing the friction rotator 46 having an adjustable pressing force and drivingly rotating the friction rotator 46, a frictional force for driving the pressure reduction roller 18 in the same direction as the traveling direction of the plug tray 5 is given. It is configured.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The problems and means for solving the problems of the present invention are as described above, and the configuration of the embodiment will be described with reference to the attached drawings. 1 is an overall perspective view of the seeding device of the present invention, FIG. 2 is a front view of the floor soil supply device, FIG. 3 is a front sectional view of the seeding device, FIGS. 4 and 5 are enlarged sectional views of the seeding device portion, and FIG. FIG. 7 is a top view of the pressing force adjusting mechanism of the cylindrical brush of the leveling device, FIG. 7 is a front view showing the problems of the conventional pressure reduction roller and plug tray,
FIG. 8 is a front view of the pressure reducing roller and the cylindrical brush in the leveling device of the present invention.

Referring to FIG. 1, FIG. 2, FIG. 3, and FIG. A transfer table 2 is placed on the leg 1, and the transfer table 2 has a pair of roller conveyors 3, 3. The roller conveyor 3 has rubber rollers 3b, 3b fixed on a shaft 3a between the frames 2a, 2a, and a sprocket fixed to a drive shaft 4a of a drive motor 4 through a chain 10 as shown in FIG. Thus, power is transmitted to and driven by a sprocket fixed to the roller conveyor 3. When the plug tray 5 is placed on the roller conveyor 3 of the carrier 2, the rubber rollers 3b
Is transported by the rotation of. The plug tray 5 is provided with concave portions in a grid pattern, and each of the concave portions has floor soil
The seeds are put in and covered with soil to obtain plug seedlings.

A seeding device 6, a bed soil supply device 7, a leveling device 8, and a watering device 9 are sequentially arranged on the carrier 2, and a tray 11 is placed below the floor soil supply device 7 and the leveling device 8. From the lower part of the receiving pan 11 to the hopper 12 of the floor soil supply device 7,
A conveyer 56 is provided in series to reduce the soil. Also, the leveling device 8 is configured to be vertically adjustable, and the floor soil supply device 7, the leveling device 8, and the watering device 9 are operated during the floor soil supply process, and the seeding device 6, the floor soil supply device 7, It is configured to operate the watering device 9.

First, the floor soil supply step will be described. In the step of supplying the floor soil, the soil mixed with fertilizer, added with water, and stirred is filled in the hopper 12 of the floor soil supply device 7, the plug tray 5 is placed on the seedling box, and the right end of the carrier 2 is When the roller 23 is actuated by driving the drive motor 4 while the switch 23 of the seeding device 6 is set to the OFF position and the switch 23 of the seeding device 6 is turned off, the seeding device 6 passes and is detected by the sensor 13 of the floor soil supply device 7. When the plug tray 5 is detected, the electromagnetic clutch is turned on, and the belt drive shaft 14 is driven. The soil is fed out by the feeding belt 15, and the soil is loosened by the diffusion brush 16 and filled in the plug tray 5 to be used as floor soil.

Then, the excess soil is removed and leveled by the first leveling brush 17, and the belt driving shaft 14 is stopped after passing through the floor soil supply device 7. Then, when the pressure is reduced by the pressure-reducing roller 18 and the water is leveled by the second leveling brush 19 and enters the irrigation device 9, the electromagnetic valve is turned on to irrigate the water. When the electromagnetic valve is passed, the electromagnetic valve is closed and the watering is stopped. And the plug tray 5 is moved to the carrier 2
Unloaded and stacked.

Next, the seeding / covering step will be described.
At this time, the switch 23 of the seeding device 6 is turned ON, and the supply amount of the soil is adjusted by the up and down operation of the regulating plate 20, and the first leveling brush 17, the second leveling brush 19, and the pressure reduction roller 18 are adjusted.
Since it is unnecessary, the hopper 12 of the floor soil supply device 7 is set to a non-operating position (ascends and is fixed), and is filled with vermiculite without mixing fertilizer or the like.

Then, when the roller tray 3 is driven by placing the plug tray 5 filled with the floor soil at the start end (right side) of the transfer table 2, the plug tray 5 is transferred and the first row of pots is placed in the seeding device. 6 is brought into contact with the sensor 24, the motor 25 is driven, and the seed is drawn out from the perforated plate 28 and sowed in the first row of pots. When the sensor 24 is between the pots, the motor 25 is stopped, and when the sensor 24 comes into contact with the next pot, the seeds are seeded on the pots in that row. In this way, they are sown one after another. If a variable motor is used so that the speed of the drive motor 4 and the motor 25 can be adjusted according to the pitch of the plug tray 5, the seeding operation can be performed continuously and smoothly.

When the seeding operation is completed in this way, the plug tray 5 reaches the floor soil supply device 7, and a certain amount of soil is dropped from the feeding belt 15 in the same manner as described above.
At 6 the soil is loosened and covered, and when it reaches the irrigation device 9, it is sprinkled to complete the seeding and soil covering process. The belt drive shaft 14 of the feeding belt 15 is driven from a sprocket 21 provided at the end of the shaft 3a of the roller conveyor 3 via a chain 22 and an electromagnetic clutch, and the plug tray 5 is positioned below the floor soil supply device 7. Only at this time, the electromagnetic clutch is turned on, the belt drive shaft 14 is driven, the feeding belt 15 rotates, and the soil falls.

Referring to FIGS. 3, 4 and 5, the structure of the seeding section of the present invention will be described in detail. As shown in FIG. 3, the seeding device 6 is provided with a hopper 27 at an upper portion of a machine frame 26, a perforated plate 28 disposed at a lower end of the hopper 27, and the perforated plate 28 has a width of the plug tray 5. .. Corresponding to the number of recesses in the direction are opened in the width direction, and the perforated plate 28 can be inclined and slid between the pressing body 29 provided on the lower surface and the rollers 30. And

That is, an engaging portion 28b is provided at the lower right end of the perforated plate 28, and the roller portion at the end of the arm 32 fixed to the pivot 31 is engaged with the engaging portion 28b. ing. On the other hand, an arm 32 fixed to the pivot shaft 31
And the other end of the connection link 33 is connected to an arm 34 fixed to the drive shaft of the motor 25,
The perforated plate 28 can be slid up and down obliquely by driving the motor 25, and the perforated plate 28 makes one reciprocation with one rotation of the drive shaft. A spring 35 for pushing out seeds is provided above the seeding hole 28a where the perforated plate 28 is at the highest position, and a guide hose 36 for guiding the seeds to the plug tray 5 is provided below the spring 35. Have been. 37 is a box for collecting seeds leaking from the hopper 27, and 38 is a brush for removing excess seeds that did not enter the seeding hole 28a.

The perforated plate 28 is provided with a vibrating plate 39 on the lower surface in addition to the pressing body 29 and the guide hose 36, and the leaf spring 40 is brought into contact with the vibrating plate 39 so that the machine frame 2 is in contact with the vibrating plate 39.
6, the leaf spring 40 and the vibrating plate 39 come into contact with each other and vibrate in conjunction with the sliding movement of the perforated plate 28 so that the perforated plate 28 also vibrates to improve the seeding accuracy. It is being done. 4 and 5
3, an AC vibrator 41 and a motor 42 with an eccentric weight are fixed to the perforated plate 28 so as to vibrate the perforated plate 28 to improve the seeding accuracy. .

Reference numeral 43 denotes a sensor for detecting seeds in the hopper 27. The sensor 43 is configured to stop the motor 25 and the drive motor 4 of the carrier 2 and to sound the buzzer 4 when the seeds are exhausted. 23 is an ON / OFF switch of the seeding device 6,
A sensor 24 detects the pot 5a of the plug tray 5, and is configured to drive the motor 25 once when the sensor 24 is turned on. Reference numeral 45 denotes these control circuits. In FIG. 6, the mechanism for adjusting the pressing force between the pressure-reducing roller and the cylindrical brush will be described. The drive shaft 46a of the friction rotating body 46 of the leveling device 8 is supported by bearings 48 provided at both ends on the outside of the machine frame 47.
Makes the drive shaft 46a rotatable by the bearing 49,
The other end of the adjusting screw 50 is continuously provided. The adjusting screw 50 is screwed to a support frame 51 fixed on both outer sides of the machine frame 47, and can be moved left and right by an adjusting nut 52, whereby the pressure-reducing roller 18 idles with the drive shaft 46a. Is adjusted, and the pressing force of the friction rotating body 46, which is formed by the cylindrical brush, in contact with the pressure reduction roller 18 is adjusted. The drive shaft 46a of the friction rotating body 46 constituted by the cylindrical brush is driven by the roller conveyor 3 with a chain interposed between sprockets 53 provided at one end of the drive shaft 46a. The drive shaft 4
The moving hole 54 is formed on the machine frame 47 so that the 6a can move left and right.

As shown in FIG. 7, in the prior art, when the plug tray 5 is conveyed by the roller conveyor 3, the pressure-reducing roller 18 only idles, so that the plug tray 5 rises in front of the pressure-reducing roller 18. As a result, the seeding holes became irregular, which hindered the seeding operation. In order to solve this problem, the present invention is configured as shown in FIG.

That is, a friction rotating body 46 constituted by a cylindrical brush driven by a sprocket fixed to the shaft of the roller conveyor 3 with a chain 55 interposed therebetween is provided on the idler pressure-reducing roller 18, and this is provided. By applying frictional force by abutting, the plug tray 5
A driving force is generated in the same direction as the traveling direction of the plug tray 5 to prevent the plug tray 5 from rising, and the pot 5a is regularly pierced in the plug tray 5 and driven by the friction rotating body 46 constituted by the cylindrical brush abutted. The soil applied to the rollers is removed while applying force, and the soil is leveled by the second leveling brush 19 and transported to the watering device 9.

[0019]

[Effects of the Invention] The present invention is configured as described above and has the following effects. First, suppression
Non-contact with the plug tray 5 on the outer periphery of the roller 18
The friction rotating body 46 disposed at the position
Roller 18 in the direction of travel of the plug tray 5
By giving the frictional force, the friction rotating body 46
Is brought into sliding contact with the surface of the plug tray 5 to make it level.
No extra resistance is required to transport the plug tray 5
Or lost. Secondly, a driving force is given by a friction rotating body 46 constituted by a cylindrical brush abutting on a pressure-reducing roller of the leveling device, and the traveling direction of the plug tray and the driving direction of the pressure-reducing roller are made the same.
The swell of the tray is eliminated, and the tray is smoothly transported on the roller conveyor. Third, the soil adhered to the pressure reduction roller 18 can be removed by the friction rotator 46 constituted by a cylindrical brush or the like.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a seeding device of the present invention.

FIG. 2 is a front view of the floor soil supply device.

FIG. 3 is a front sectional view of a sowing apparatus.

FIG. 4 is an enlarged cross-sectional view of a seeding device.

FIG. 5 is a partially enlarged sectional view of a seeding device.

FIG. 6 is a top view of a cylindrical brush pressing force adjusting mechanism of the leveling device.

FIG. 7 is a front view showing a problem of a conventional pressure reduction roller and a plug tray.

FIG. 8 is a front view of a pressure reducing roller and a cylindrical brush in the leveling device of the present invention.

[Explanation of symbols]

 Reference Signs List 6 Seeding device 8 Leveling device 18 Packing roller 19 Second leveling brush 28 Plate 39 Vibrating plate 40 Leaf spring 41 Vibrator 42 Motor with eccentric weight 50 Adjusting screw 51 Support frame 52 Adjusting nut 53 Sprocket 54 Moving hole

──────────────────────────────────────────────────続 き Continued on the front page (72) Setsuo Takeno 1-32 Chaya-cho, Kita-ku, Osaka-shi, Osaka Yanmar Agricultural Machinery Co., Ltd. No. Yanmar Agricultural Machinery Co., Ltd. (56) References JP-A-3-244324 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) A01G 9/08

Claims (1)

(57) [Scope of request for utility model registration] 1. A floor soil is supplied by a floor soil supply device 7 into a pot 5a provided on a plug tray 5, and then the pot 5a
The bed soil in a is pressed by a pressure-reducing roller 18 constituting the leveling device 8.
In the configuration in which the pressure is pressed by the protrusion, the pressure-reducing roller 18 is freely rotatably supported, and is arranged on the outer periphery of the pressure-reducing roller 18 at a position not in contact with the plug tray 5,
In addition, a configuration is provided in which a frictional force that drives the pressure-reducing roller 18 in the same direction as the direction in which the plug tray 5 moves is provided by pressing the frictional rotator 46 having an adjustable pressing force and drivingly rotating the frictional rotator 46. A sowing apparatus characterized by that: