JPH09474U - Seeding equipment - Google Patents

Abstract

(57) [Abstract] [Problem] A compact construction, while supplying and sowing floor soil
To improve the accuracy and efficiency of a series of operations such as leveling and watering,
Ensure work efficiency close to that of a sowing plant. SOLUTION: Floor soil is put into a pot 5a provided on a plug tray 5 by a floor soil supplying device 7, and then the pot 5a is placed.
Suppressor roller 18 that constitutes the leveling device 8 for the soil in a.
In the configuration of pressing by the protrusion of, the compression roller 18 is supported in a freely rotatable manner, and the friction rotating body 46 whose pressing force is adjustable is pressed to the outer periphery of the compression roller 18,
By driving and rotating the friction rotator 46, a frictional force for driving the compression roller 18 in the same direction as the traveling direction of the plug tray 5 was applied.

Description

[Detailed description of the device]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a sowing device for flowers and vegetables, which is a small scale, but can perform a series of sowing operations such as supplying soil to a plug tray, irrigation, sowing, and covering soil.

[0002]

[Prior art]

 Conventionally, seeding devices for sowing seeds such as flowers and vegetables in pots one by one or several seeds have been known.In these seeding devices, supply of soil, sowing, leveling, covering, irrigation, seedlings, etc. There was a seeding machine that performs stacking of boxes in a series of operations.

[0003]

[Problems to be solved by the device]

 In this way, the seeding machine that can supply the soil, irrigate, sow, cover the soil, etc. in a series of operations is one that is capable of supplying a large amount of seedling boxes one after another and supplying and seeding the soil. It was a large machine and expensive, and sometimes the plug tray was raised during transportation, which hindered seeding.

[0004]

[Means for Solving the Problems]

 The problems to be solved by the present invention are as described above. Next, means for solving the problems will be described. A construction in which the floor soil is fed into the pot 5a provided in the plug tray 5 by the floor soil supplying device 7, and then the floor soil in the pot 5a is pressed by the protrusions of the pressure suppressing roller 18 constituting the leveling device 8. In the above, the compression roller 18 is supported rotatably, the friction roller 46 whose pressing force can be adjusted is pressed against the outer periphery of the compression roller 18, and the friction roller 46 is driven to rotate, so that the compression roller 18 is compressed. A frictional force is applied to drive 18 in the same direction as the advancing direction of the plug tray 5.

[0005]

[Embodiment of the invention]

 The problems and solutions of the present invention are as described above, and the structure of the embodiment will be described with reference to the accompanying drawings. 1 is an overall perspective view of the seeding device of the present invention, FIG. 2 is a front view of the bed soil supplying device, FIG. 3 is a front sectional view of the seeding device, FIGS. 4 and 5 are partially enlarged sectional views of the seeding device, and FIG. Fig. 7 is a top view of the pressing force adjusting mechanism of the cylindrical brush of the flattening device, Fig. 7 is a front view showing the problems of the conventional compression roller and plug tray, and Fig. 8 is the compression roller and cylindrical brush of the leveling device of the present invention. It is a front view.

The overall configuration will be described with reference to FIGS. 1, 2, 3, and 8. The carrier 2 is placed on the leg 1, and the carrier 2 is provided between the frames 2a, 2a arranged in parallel, and the roller conveyors 3, 3 ... The rubber rollers 3b and 3b are fixed on the shaft 3a between the frames 2a and 2a. As shown in FIG. 2, the roller conveyor is connected via the chain 10 from the sprocket fixed to the drive shaft 4a of the drive motor 4. Power is transmitted to the sprocket fixed to No. 3 and driven. Then, when the plug tray 5 is placed on the roller conveyor 3 of the carrier table 2, the plug rollers 5 are carried by the rotation of the rubber rollers 3b. The plug tray 5 is provided with concave portions in the shape of a grid, and each of the concave portions is filled with soil and seeds so as to be covered with soil to obtain a plug seedling.

The seeding device 6, the bed soil supply device 7, the leveling device 8, and the watering device 9 are sequentially arranged on the transfer table 2, and a saucer 11 is provided below the bed soil supply device 7 and the leveling device 8. A conveyor 56 is arranged continuously from the lower part of the tray 11 to the hopper 12 of the floor soil supply device 7 to reduce the soil. Further, the leveling device 8 is configured to be adjustable up and down, the bed soil supplying device 7, the leveling device 8 and the watering device 9 are operated during the bed soil supplying process, and the seeding device 6 and the bed soil supplying device 7 are operated during the seeding process. The irrigation device 9 is configured to operate.

First, the bed soil supplying step will be described. In the step of supplying the bed soil, the hopper 12 of the bed soil supply device 7 is filled with the soil mixed with fertilizer, added with water and stirred, and the plug tray 5 is overlaid on the seedling box and the right end of the carrier 2 is transferred. When placed on the starting end side, the switch 23 of the seeding device 6 is turned off, and the drive motor 4 is driven to operate the roller conveyor 3, the seeding device 6 passes, and the sensor 13 of the bed soil supplying device 7 Accordingly, the plug tray 5 is detected, the electromagnetic clutch is turned on, and the belt drive shaft 14 is driven. The soil is delivered by the delivery belt 15, and the soil is loosened by the diffusion brush 16 to be filled in the plug tray 5 to be the floor soil.

Then, excess soil is removed by the first leveling brush 17 and leveled, and the belt drive shaft 14 is stopped when passing through the floor soil supply device 7. When the pressure is suppressed by the pressure roller 18 and leveled by the second leveling brush 19 and then enters the irrigation device 9, the electromagnetic valve is turned on to irrigate, and when it passes, the electromagnetic valve is closed and irrigation is stopped. The floor soil filling process is completed, and the plug tray 5 is unloaded from the carrier 2 and stacked.

Next, the sowing / soil covering process will be described. At this time, the switch 23 of the seeding device 6 is turned on, and the amount of the soil supply is adjusted by the up and down operation of the regulation plate 20, so that the first leveling brush 17, the second leveling brush 19, and the pressure suppression roller 18 are not necessary. Therefore, the hopper 12 of the bed soil supply device 7 is set to the non-acting position (raised and fixed), and the vermiculite or the like in which the fertilizer or the like is not mixed is filled.

When the plug tray 5 filled with the bed soil is placed at the starting end (right side) of the carrier 2 and the roller conveyor 3 is driven, the plug tray 5 is transported and the pots in the first row are seeding devices. The sensor 25 of No. 6 is contacted, the motor 25 is driven, and the seeds are paid out from the perforated plate 28 and sown in the pots of the first row. The motor 25 is stopped between the pots of the sensor 24, and when the sensor 24 comes into contact with the next pot, the pots in that row are seeded. In this way, the seeds are sown one after another. If a variable motor is used so that the drive motor 4 and the motor 25 can be adjusted in speed according to the pitch of the plug tray 5, the seeding work can be continuously and smoothly performed.

When the seeding work is completed in this way, the plug tray 5 reaches the floor soil supplying device 7, and a certain amount of soil is dropped from the feeding belt 15 in the same manner as described above, and the soil is loosened by the diffusion brush 16. However, the soil is covered, and when it reaches the irrigation system 9, it is sprinkled with water and the sowing / soil covering process is completed. The feeding belt 15 is driven only by the sprocket 21 provided at the end of the shaft 3a of the roller conveyor 3 when the belt driving shaft 14 is driven through the chain 22 and the electromagnetic clutch, and the plug tray 5 is located below the soil supplying device 7. The electromagnetic clutch is turned on, the belt drive shaft 14 is driven, the feeding belt 15 is rotated, and the soil is dropped.

The structure of the seeding part of the present invention will be specifically described with reference to FIGS. 3, 4, and 5. As shown in FIG. 3, the seeding device 6 is provided with a hopper 27 on the upper part of the machine frame 26, and a plate plate 28 is arranged on the lower end of the hopper 27. The plate plate 28 is arranged in the width direction of the plug tray 5. The number of seeding holes 28a, 28a, ..., which correspond to the number of the concave portions, are opened in the width direction, and the perforated plate 28 is slidable by being sandwiched between a pressing body 29 provided on the lower surface and rollers 30, 30. I am trying.

That is, the engaging portion 28b is provided at the lower right upper end of the plate 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. On the other hand, the connecting link 33 is pivotally connected to the arm 32 fixed to the pivot shaft 31, and the other end of the connecting link 33 is connected to the arm 34 fixed to the drive shaft of the motor 25, so that the motor 25 Drive the plate so that it can be slid up and down slantingly, and the plate plate 28 reciprocates once per rotation of the drive shaft. A bar 35 for pushing out the seeds is arranged above the seeding plate 28 at the position where the seed plate 28 is at the highest position, and a guide hose 36 for guiding the seeds to the plug tray 5 is arranged below the pan 35. Is provided. Reference numeral 37 is a box for collecting seeds leaked from the hopper 27, and 38 is a brush for removing excess seeds that have not entered the seeding holes 28a.

A diaphragm 39 is provided on the lower surface of the plate plate 28 in addition to the pressing body 29 and the guide hose 36, and a plate spring 40 is fixed to the machine frame 26 in a state of being in contact with the diaphragm 39. The leaf spring 40 and the vibrating plate 39 are brought into contact with each other to vibrate in association with the sliding movement of the perforated plate 28 so that the perforated plate 28 also vibrates to improve the seeding accuracy. Of. 4 and 5, similarly to FIG. 3, by fixing the AC shaker 41 and the eccentric weight-equipped motor 42 to the dish plate 28, the dish plate 28 is vibrated to improve the seeding accuracy. It is configured as follows.

Reference numeral 43 denotes a sensor for detecting seeds in the hopper 27, which is configured to stop the motor 25 and the drive motor 4 of the carrier 2 and ring the buzzer 4 when the seeds run out. Reference numeral 23 is an ON / OFF switch of the seeding device 6, 24 is a sensor for detecting the pot 5a of the plug tray 5, and when the sensor 24 is turned on, the motor 25 is driven to rotate once. Reference numeral 45 denotes these control circuits. The mechanism for adjusting the pressing force of the compression roller and the cylindrical brush will be described with reference to FIG. The drive shaft 46a of the friction rotator 46 of the leveling device 8 is supported at both ends by bearings 48 provided on the outside of the machine frame 47, and the bearings 48 rotate the drive shaft 46a by means of bearings 49. This is possible, and the other end of the adjusting screw 50 is continuously provided. The adjusting screw 50 is screwed to a support frame 51 fixed to both outer sides of the machine frame 47, and can be moved left and right by an adjusting nut 52, whereby a compression roller that idles with the drive shaft 46a. The distance of 18 is adjusted to adjust the pressing force of the friction rotating body 46 formed by the cylindrical brush, which abuts on the pressure reducing roller 18. The drive shaft 46a of the friction rotator 46 formed by the cylindrical brush is driven by the roller conveyor 3 with a chain interposed on a sprocket 53 provided at one end of the drive shaft 46a. Further, a moving hole 54 is formed on the machine frame 47 so that the drive shaft 46a 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 compression roller 18 only idles, so that the plug tray 5 rises in front of the compression roller 18. As a result, the seeding holes became irregular and the seeding work was hindered. The present invention is configured as shown in FIG. 8 in order to solve this problem.

That is, the squeezing roller 18 is provided with a friction rotating body 46 constituted by a cylindrical brush which is driven by a sprocket fixed to the shaft of the roller conveyor 3 via a chain 55. By bringing them into contact with each other and giving a frictional force, a force for driving the compression roller 18 in the same direction as the traveling direction of the plug tray 5 is generated, preventing the plug tray 5 from rising, and regularly charging the plug tray 5. The pot 5a is pierced in the pot, and the friction rotor 46 constituted by the cylindrical brush abutted on the pot 5a removes the soil adhering to the roller while giving a driving force, and the second leveling brush 19 levels the water for irrigation. It is transported to the device 9.

[0019]

[Effect of the invention]

 Since the present invention is configured as described above, it has the following effects. Firstly, a driving force is applied by the friction rotating body 46 constituted by the cylindrical brush that comes into contact with the pressure reducing roller of the leveling device so that the advancing direction of the plug tray and the driving direction of the pressure reducing roller are the same. The rise is eliminated and the product is smoothly transported on the roller conveyor. Secondly, the soil adhered to the compression roller 18 can be removed by the rubbing rotary member 46 constituted by a cylindrical brush or the like.

[Brief description of drawings]

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

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

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

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

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

FIG. 6 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 compression roller and plug tray.

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

[Explanation of symbols]

 6 Seeding device 8 Leveling device 18 Squeezing roller 19 Second leveling brush 28 Plate 39 Vibration plate 40 Leaf spring 41 Vibrator 42 Eccentric weighted motor 50 Adjusting screw 51 Supporting frame 52 Adjusting nut 53 Sprocket 54 Moving hole

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Setsuo Takeno 1-32, Chayamachi, Kita-ku, Osaka, Osaka Prefecture Yanmar Agricultural Machinery Co., Ltd. (72) Toshikatsu Takahashi 1-32, Chaya-machi, Kita-ku, Osaka, Osaka No. Yanmar Agricultural Machinery Co., Ltd.

Claims (1)

[Utility model registration claims] 1. A bed soil supply device 7 is used to put bed soil into a pot 5a provided on a plug tray 5, and then the pot 5a.
Suppressor roller 18 that constitutes the leveling device 8 for the soil in a.
In the configuration of pressing by the protrusion of, the compression roller 18 is supported in a freely rotatable manner, and the friction rotating body 46 whose pressing force is adjustable is pressed to the outer periphery of the compression roller 18,
A seeding device characterized in that a frictional force is applied to drive the pressure suppressing roller 18 in the same direction as the traveling direction of the plug tray 5 by drivingly rotating the friction rotator 46.