JPH027602B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a device for sowing seeds of ultrafine particles, such as seeds of Chinese cabbage, cabbage, or cauliflower.

(Prior art) When transplanting the above-mentioned vegetables to a field, fill a seedling raising box with many 5 cm square squares with bed soil, sow seeds on the bed soil and grow them, and then seedlings with the bed soil from the squares. The seeds are extracted and used as seedlings with soil, which are then transplanted using a transplanter.

The present invention relates to a seeding device for obtaining the above-mentioned seedlings with soil.

When sowing seeds on the bed soil within the squares of the seedling box, be sure to sow 1 to 3 seeds in the center, and never
I don't sow roses. If you sow in bulk, you will have to do a lot of thinning work in order to end up with a single plant (or two plants).

However, in the conventionally known Japanese Patent Application Laid-Open No. 50-75809, a suction cylinder is protruded downward from the bottom of the seed suction box, and the seeds are absorbed by the protruding suction cylinder and brought to the top of the square of the seedling box. A structure is described in which the seedlings can be moved and sown on the bed soil within the cell.

Also, in the conventionally known Japanese Patent Publication No. 48-39524,
A rubber sponge is attached to the bottom of the seed suction box, and the suction hole is formed by making a hole in the rubber sponge, and is sized so that about half of the seeds fit therein, and the seed suction box is attached to the ceiling of the suction hole. A seeding device for a seedling-growing box is described in which a communication hole is formed with a smaller diameter than the suction hole that communicates with the inside of the box.

(Problem to be solved by the invention) When the seeds are large like radish, it is not difficult to make a device that can sow 1 to 3 seeds at a time, but when it comes to seeds like Chinese cabbage, Since it is a fine particle, it is quite difficult.

However, in the device described in the above-mentioned Japanese Patent Application Laid-Open No. 50-75809, a protruding suction cylinder is protruded from the bottom of the seed suction box, and the seeds are sucked by the protruding suction cylinder and moved to the top of the square of the seedling raising box. Since the seeds are sown using the same method, the protruding suction tube interferes with scraping off excess seeds. Therefore, it is not possible to accurately sow one to three seeds at a time.

Furthermore, in another well-known Japanese Patent Publication No. 48-39524, the bottom surface of the seed suction box is formed of a rubber sponge, and the suction holes are formed by providing holes in the rubber sponge. The suction hole is sized to fit the upper half of a single seed, but the lower half of the seed is not fitted and is exposed, which not only makes it impossible to scrape off excessively adsorbed seeds, but also It is also impossible to scrape off adhering adsorbed seeds. In other words, the seeds are dry and extremely light, so they can easily stick anywhere, even on the palm of your hand. The easiest way to remove this is to scrape it off, but since the lower half of the seed is exposed, it is impossible to scrape it off.

(Means for Solving the Problem) Therefore, the present invention provides a seed box 5 having 10 horizontal openings facing upward, and an upper end 8 on the left and right sides of the seed box 5.
A seed suction box 20 having a suction hole 37 formed in the bottom surface 21 for sliding the scraping piece 11 and adsorbing the seeds in the seed box 5; and the seed suction box 20. 20 has a seedling raising box 2 for dropping the adsorbed seeds,
The bottom surface 21 of the seed suction box 20 is formed of a stainless steel flat plate, and the suction hole 37 is formed by providing a hole in the stainless steel flat plate, and is sized to fit one to three seeds completely, A seed suction box 2 is installed on the ceiling of the suction hole 37.
A communication hole 5 having a smaller diameter than the suction hole 37 that communicates with the inside of the
This is a seeding device for a seedling box in which a seedling box is formed.

(Example) First, to explain the structure of FIGS. 1 to 7, a frame 1 includes a horizontal table 3 on which a seedling box 2 is placed
is provided. The height of the horizontal table 3 is the same as that of a general desk, and is set to such a level that a worker can easily hold and place the seedling box 2 thereon. The horizontal table 3 is formed to have a horizontal length that allows the seedling growing box 2 to be placed on both sides by removing the central portion. The horizontal table 3 is formed almost flat except for the central part, and is formed so that the seedling growing box 2 can be easily slid and fed from the front and rear directions. The seedling raising box 2 is made of synthetic resin, and has square cells 4 of about 5 cm in size, 6 vertically and 12 horizontally (the number is arbitrary, but the ratio of vertical and horizontal is usually 1:2). Set in proportion.

A predetermined width L is provided at the center portion of the horizontal table 3 described above.
A seed box 5 having a seed box 5 is provided. The seed box 5 has a special shape and is formed of a vertical cylinder 6 that is rectangular when viewed from above, and a bottom member 7 that moves up and down within the vertical cylinder 6. A vertical tube 6 formed by sheet metal processing of a thin metal plate is provided so that its upper end 8 protrudes upward by α from the upper edge 9 of the seedling growing box 2 placed on the horizontal table 3. The upper end 8 of the vertical cylinder 6 is cut completely horizontally to form an opening 10, and a rubber scraper 11 like a car wiper is fitted into the upper end 8 on the left and right sides. It is being The scraping piece 11 functions to scrape off seeds. The upper edge 12 of the scraping piece 11 is formed to become gradually thinner,
The left and right scrapers 11 have exactly the same height X--X, and are installed completely horizontally when viewed from the side.
The vertical tube 6 is formed to have the same inner diameter (inner diameter) from beginning to end from the top to the bottom, and a square-shaped bottom member 7 is tightly fitted inside.

The upper end of a vertical piece 13 is fixed to the lower surface of the center of the bottom member 7, and a vertical rack gear 14 is attached to the vertical piece 13. Rack gear 14
A pinion gear 15 is meshed with the pinion gear 15, a shaft 16 of the pinion gear 15 protrudes forward, and a manual handle 17 is fixed thereto.

Therefore, when the manual handle 17 is manually rotated, the bottom member 7 moves up and down. A recess with an upward opening formed by the inner surface of the vertical tube 6 and the upper surface of the bottom member 7 becomes the seed box 5 in which the seeds are placed.
Hoppers 18 and 18' for collecting spilled seeds are attached to the left and right sides of the seed box 5, respectively.
Upper edge 19, 19' of collection hopper 18, 18'
is formed at the same height as the upper end 8 of the vertical tube 6. As described above, the seedling growing boxes 2 are placed symmetrically at the outer positions of the recovery hoppers 18, 18'.

FIG. 1 shows a state in which the seedling growing boxes 2, 2 are placed, and FIG. 2 shows a state in which the seedling growing boxes 2, 2 are removed. A specially shaped seed suction box 20 is provided above the seedling growing boxes 2, 2 placed on the left and right sides. The size of the seed suction box 20 is about the same as the seedling raising box 2. The seed suction box 20 is a square box, and in particular, its bottom surface 21 is completely horizontal. In addition, the bottom surface 21 is not charged with static electricity.
Made of high quality stainless steel plate. The seed suction box 20 moves horizontally, its bottom surface 21 rubs against the upper part of the wiper-like scraper 11, moves further laterally, and stops when it reaches directly above the seedling growing box 2 on the other side. .

Arms 22, 22' for suspending the seed suction box 20
rollers 23, 23' are attached to the
The rollers 23, 23' roll on rails 24 provided horizontally on the frame 1 in the left-right direction. The seed suction box 20 is moved by a motor 25 attached directly or indirectly to the seed suction box 20.

The motor 25 is attached to a support member 26 attached to the top surface of the seed suction box 20.
The shaft 27 is fixed so as to be the axis in the longitudinal direction, and a pinion gear 28 is fixed to the shaft 27, and the pinion gear 28 is meshed with a horizontal rack gear 29 in the left and right direction attached to the frame 1. frame 1
When the main switch installed at the desired position is turned on, the motor 25 is energized and the seed suction box 20 is turned on.
switches 30, 30' are provided on the frame 1 at the end of the horizontal movement of the seed suction box 20 in order to automatically stop it at a predetermined position.

A contact plate 31 having a larger area than the seed suction box 20 is brought into contact with the upper surface of the seed suction box 20, and the contact plate 31 and the seed suction box 20 are fixed with screws 32. Toban 3
1 is separately abutted to secure the seed suction box 20. The reason for this is that manufacturing becomes easier if various devices are attached to the contact plate 31 and the seed suction box 20 is attached to it. It's for a reason.

The left and right ends of the plate 31 project laterally beyond the seed suction box 20, respectively, and leveling tools 33, 33' are attached to the projecting portions 32', 32'', respectively. Leveling tools 33, 33 ' also has a special structure, with a coiled wire 35 around the outer periphery of the metal round bar 34.
It is loosely fitted. Both the metal round rod 34 and the coiled wire 35 touch the upper surface of the seeds in the seed box 5 to level them, but at this time, the seeds are also moved in the front and back direction to some extent due to the rotation due to the contact resistance of the coiled wire 35. .

Both ends of the metal round bar 34 are bent at right angles to form a bent portion 36, and the upper end of the bent portion 36 is inserted into the protruding portions 32, 32' from below and fixed with screws. The bottom surface 21 of the seed suction box 20 has a suction device that absorbs only 2 to 3 (sometimes only 1 grain) ultrafine particles such as Chinese cabbage seeds in positions corresponding to the center of each cell 4 of the seedling raising box 2. A hole 37 is formed.

The bottom surface 21 of the seed suction box 20 has a flat shape, and the suction hole 37 is formed by providing a hole in the bottom surface 21.

FIGS. 8 to 10 are enlarged views of the suction hole 37, and FIG.
The ceiling 48 of 7' is formed into a tapered surface and forms a communication hole 50 that communicates with the inside 49 of the seed suction box 20. The communication hole 50 has a smaller diameter than the suction holes 37, 37'.

FIG. 9 shows a suction hole 37'' into which two seeds fit, and the seeds are aligned vertically and engaged.

FIG. 10 shows a suction hole 37 into which two seeds are fitted side by side.

There are two suction ports 3 on the top surface of the seed suction box 20.
8, 38' and a plurality of inlets 39 are opened. The locations of the two suction ports 38 and 38' are specially designed so that the seeds can be uniformly sucked in from the numerous suction holes 37 formed in the bottom surface 21 of the seed suction box 20 with the same suction force. . In other words, the dimensions of the seedling nursery box are in the ratio of 1:2 horizontally, so when viewed from the front and back direction, it is the center of the left and right sides, but when viewed from the left and right, it is the center of each of the front and rear half halves. They are each open to the public. Two suction ports 38,3
8' are connected by one suction tube 40 as shown in FIG. 4, and a bellows 42 connected to a suction blower 41 is connected to the center of the suction tube 40.

A large number of inflow ports 39 formed in the seed suction box 20...
are lined up in a straight line in the front-rear direction, and valves 44 that are moved up and down by two solenoids 43 and 43' at the front and rear are respectively attached to their upper surfaces. The solenoids 43, 43' are fixed to protrusions 45, 45' that protrude upward from the contact plate 31, respectively, and actuators 46, 4 of the solenoids 43, 43'
A connecting rod 47 is placed across the connecting rod 6', each valve 44 is attached to the connecting rod 47, and when the solenoids 43 and 43' are energized, a plurality of inlets 39 are opened at the same time.

11 and 12 show an application example of a manual seeding device, in which the upper end of a flat plate 52 is attached to a horizontal shaft 51 and a rising edge 53 is suspended, and the flat plate 52 has approximately the same area as the seedling box 2. A rising edge 53 is provided that stands upright from each edge. Then it will look like a square candy box. Inside the box-like area, square 4 of seedling raising box 2 is placed.
An uneven portion 55 formed with a number of pyramidal portions 54 corresponding to
are removably fitted, and an outlet 57 is bored in the top 56 of each pyramidal part 54. Then, the top portion 56 is formed so that it is always located inside the outer edge 58 (the rising edge 53 protrudes outward),
A manually held seed suction box 20' is fitted as shown in FIG. 59 is a handle portion.

(effect) Next, we will discuss the effect.

Fill the seed box 5 with seeds such as Chinese cabbage, cabbage, and cauliflower, and turn the manual handle 17.
Slightly rotate the bottom member 7 to move the bottom member 7 upward so that some of the seeds will spill over the wiper-like scrapers 11, 11 and into the collection hoppers 18, 18', and in this state, turn the switch. When turned on,
When the motor 25 is energized, the pinion gear 2 fixed to the shaft 27 rotates, causing the seed suction box 20 to move to the right in FIG. 2.

When the seed suction box 20 moves to the right, the top surface of the seeds in the seed box 5 is leveled by the leveling tool 33' attached to its tip, and when the bottom surface 21 of the seed suction box 20 comes into sliding contact with the top surface of the seeds, the bottom surface Seeds are adsorbed through the suction hole 37 formed in the seed suction box 21.
The bottom surface 21 of the 0 is formed of a stainless steel flat plate, and the suction hole 37 is formed by making a hole in the stainless steel flat plate, and has a size that allows one to three seeds to fit completely into the suction hole 37. Since a communication hole 50 having a smaller diameter than the suction hole 37 that communicates with the inside of the seed suction box 20 is formed in the ceiling of the suction hole 37, one to three seeds are placed in each suction hole 37.
Once the desired number of seeds in the grain range are completely fitted, the remaining attached or adsorbed seeds are scraped off by a wiper.

Then, when moving further to the right, it hits the switch 30, and the seed suction box 20 stops at the top of the seedling raising box 2.
The solenoids 43 and 43' are energized to move the inlet port 39 upwards, causing the seeds adsorbed in the suction hole 37 to fall into the squares 4 of the seedling box 2.

Next, referring to FIGS. 11 and 12, the many pyramidal sections 54 are initially removed, filled with seeds, and the flat plate 52 is made horizontal as shown by the phantom lines in FIG. 11. Uneven part 55 from below
Fit and secure. Then, hang it down as shown by the solid line in FIG. 11, hold the handle part 59 with your hand, fit the seed suction box 20' inside the rising edge 53, and turn on the switch provided at the desired position. When this is done, the suction device is activated and the seeds fit into each suction hole 37.

Therefore, when the seeds are taken out and placed on the upper edge of the seedling box 2 as shown in FIG. 12 and the suction is released, the seeds can be scraped into the squares 4.

(Effects) The present invention comprises a seed box 5 having 10 horizontal openings facing upward, a wiper-like scraper 11 attached to the left and right upper ends 8 of the seed box 5, and a wiper-like scraper 11.
The seed suction box 2 has a suction hole 37 formed in the bottom surface 21 for sucking the seeds inside the seed box 5 by sliding the seed suction box 2.
0 and a seedling raising box 2 into which the seeds adsorbed by the seed suction box 20 are dropped, the bottom surface 21 of the seed suction box 20 is formed of a stainless steel flat plate, and the suction hole 37 is formed on the stainless steel flat plate. A communication hole 50 is formed by providing a hole and is sized to completely fit one to three seeds, and has a smaller diameter than the suction hole 37 in the ceiling of the suction hole 37 and communicates with the inside of the seed suction box 20. Since the seeding box seedling box seeding device is formed of
Since it is not charged with static electricity, it is unlikely that seeds will stick to areas other than the suction holes. Further, the suction hole 37 is formed by providing a hole in the stainless steel flat plate, and has a size that allows one to three seeds to fit completely into the suction hole 37.
A suction hole 3 communicating with the inside of the seed suction box 20 is provided in the ceiling of the seed suction box 20.
Since the communication hole 50 is formed with a diameter smaller than that of 7,
A desired number of seeds ranging from 1 to 3 seeds can be completely fitted into each suction hole 37, and remaining attached or adsorbed seeds can be easily scraped off with a wiper, allowing for accurate sowing. It has the effect that it can do.

[Brief explanation of drawings]

Figure 1 is an overall front view, Figure 2 is a vertical sectional front view of the main part from Figure 1 with the seedling box removed, Figure 3 is a left side view of Figure 1, Figure 4 is a left vertical side view of the same, Figure 5 is a plan view, Figure 6 is a front view of the leveling tool, Figure 7 is a perspective view of the seed box, Figures 8 to 10 are examples of each suction hole, and Figure 11 is manual sowing. Longitudinal cross-sectional view of the device, 1st
Figure 2 is a diagram showing the state of sowing seeds using a manual seeding device. Explanation of symbols, 1... Frame, 2... Seedling box,
3...Horizontal stand, 4...Match, 5...Seed box, 6...
... Vertical cylinder, 7 ... Bottom member, 8 ... Upper end, 9 ... Upper edge, 10 ... Opening, 11 ... Scraping piece, 12 ... Upper edge, 13 ... Vertical piece, 14 ... Rack gear, 15
... Pinion gear, 16 ... Shaft, 17 ... Manual handle, 18, 18' ... Collection hopper, 19,
19'... Upper edge, 20, 20'... Seed suction box, 2
1... Bottom, 22, 22'... Arm, 23, 2
3'...Roller, 24...Rail, 25...Motor, 26...Support member, 27...Shaft, 28...
...Pinion gear, 29...Horizontal rack gear, 3
0,30'...Switch, 31...Touching plate, 32...
...screw, 32', 32''...protrusion, 33, 33'
... Leveling tool, 34 ... Metal round bar, 35 ... Coiled wire, 36 ... Bent part, 37, 37', 37'', 3
7... Suction hole, 38, 38'... Suction port, 39
... Inflow port, 40 ... Suction cylinder, 41 ... Suction blower, 42 ... Bellows, 43, 43' ... Solenoid, 44 ... Valve, 45, 45' ... Projection, 4
6, 46'... Actuator, 47... Connecting rod, 48...
Ceiling, 49...Interior, 50...Communication hole, 51...
Horizontal axis, 52... flat plate, 53... rising edge, 54...
... Pyramid part, 55 ... Uneven part, 56 ... Top part, 57
...Output port, 58...Outer edge, 59...Handle portion.

Claims (1)

[Claims] 1 Seed box 5 with 10 horizontal openings facing upwards
A wiper-like scraping piece 11 is attached to the upper end 8 of the left and right sides of the seed box 5, and a suction hole 37 is formed on the bottom surface 21 to slide the scraping piece 11 and adsorb the seeds inside the seed box 5. The seed suction box 20 has a formed seed suction box 20 and a seedling raising box 2 into which the seeds adsorbed by the seed suction box 20 are dropped. A hole is formed by providing a hole in the stainless steel flat plate, and the size is such that about 1 to 3 seeds can fit completely, and the ceiling of the suction hole 37 has a hole that is larger than the suction hole 37 communicating with the inside of the seed suction box 20. A seeding device for a seedling box in which a small-diameter communication hole 50 is formed.