JPS6338162B2 - - 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 and grow seeds on the bed soil, and then add bed soil from within the squares. The entire seedling is pulled out and used as a seedling with soil, which is then transplanted using a transplanter.

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

(Problem to be Solved by the Invention) When sowing seeds on the bed soil within the squares of the seedling box, sow 1 to 3 seeds at a time in the center of the squares,
I never sow roses. If you sow in bulk, you will have to do a lot of thinning to get one (or two) plants.

However, if the seeds are large like radish,
It is not that difficult to manufacture a device that can sow 1 to 3 seeds at a time, but since Chinese cabbage and other seeds are extremely fine particles, it is quite difficult.

The present invention is an ingenious and inventive seeding device that can achieve the above object.

(Means for Solving the Problem) Therefore, the present invention provides a seed box 5 whose upper surface is open at the center of a horizontally long horizontal table 3 on which a seedling box 2 can be placed, and A seed suction box 20 that moves horizontally and laterally is provided at the upper position, and the seed suction box 2
0 slides on the seed box 5 when moving horizontally and laterally, attracts the seeds in the seed box 5, and drops them on the seedling box 2, and the seed box 5 is connected to the vertical cylinder 6 and It is formed by a bottom member 7 that moves up and down inside the vertical tube 6, and an engaging member 50 is provided on the bottom member 7, and the seed suction box 20 is connected to the seed box 5 on the side of the seed suction box 20.
An engaging body 48 is provided which engages with the engaging member 50 and moves the engaging member 50 upward when the top thereof horizontally slides, so that when the seed suction box 20 slides on the seed box 5. This is a seeding box sowing device configured such that the bottom member 7 is moved upward to press the seeds onto the bottom surface of the seed suction box 20.

(Example) Among the accompanying drawings, in FIGS. 1 to 7, the bottom member 7 is manually moved upward, and this differs from the configuration described in the claims of the present invention. Since this is the technology that is the premise of the present invention, first of all, Figure 1~
FIG. 7 will be explained, and then FIGS. 8 to 10 will be explained.

1 is a frame, and the frame 1 is provided with a horizontal stand 3 on which a seedling raising box 2 is placed. 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 length that allows the seedling growing box 2 to be placed on both sides.

The horizontal table 3 is formed almost flat except for the central part, and is formed so that the seedling 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 approximately 5 cm square cells 4, 5 vertically and 10 horizontally (the number is arbitrary, but usually the vertical and horizontal dimensions are 1:
2).

A seed box 5 having a predetermined width L in the left-right direction is provided at the center of the horizontal stand 3 described above. The seed box 5 has a special shape and is formed of a bottom member 7 that moves up and down within a vertical tube 6 that has a rectangular shape with longer front and rear sides when viewed from above. The vertical tube 6 formed by sheet metal processing of a thin metal plate is provided so that its upper end 8 always projects 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 tube 6 is completely horizontally cut to form an opening 10, and rubber-like scrapers 11, such as car wipers, are provided at both upper ends 8 on the left and right sides.
are fitted and installed. The scraping pieces 11 function to scrape off seeds, but also store seeds between the scraping pieces 11. The upper edge 12 of the scraping piece 11 is formed to be gradually thinner, and the left and right scraping pieces 11 have exactly the same height XX, and are completely horizontally attached when viewed from the left and right sides.

The vertical tube 6 has the same dimensions from top to 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, manual handle 1
When the bottom member 7 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 cylinder 6 and the upper surface of the bottom member 7 is a seed box 5 in which seeds are stored.
It becomes. Hoppers 18 and 1 for collecting spilled seeds are provided on the left and right sides of the seed box 5, respectively.
8' is attached. Collection hopper 18,1
The upper edges 19, 19' of the vertical tube 6 are formed at approximately 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 and 18'.

A specially shaped seed suction box 20 is provided above one of the seedling growing boxes 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. Further, the bottom surface 21 is not allowed to be charged with static electricity, and is made of a high-quality stainless steel plate. The seed suction box 20 is moved laterally horizontally by a device to be described later. The seed suction box 20 is moved horizontally from a position directly above one of the seedling growing boxes 2, and the bottom surface 2
1 slides on the upper part of the wiper-shaped scraper 11 and further moves sideways until it reaches right above the other seedling raising box 2 and stops.

The position of the bottom surface 21 of the seed suction box 20 is so formed that it always comes into contact with the scraping piece 11 and moves horizontally.

The seed suction box 20 has an arm 22 for hanging it,
Rollers 23, 23' are attached to 22', and 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 front-rear 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-right direction. When the main switch provided at a desired position on the frame 1 is turned on, the motor 25 is energized and the seed suction box 20 moves laterally. Switches 30, 30' for turning off the power to the motor 25 are provided at the end position of the movement in the direction.

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 to make it easier to attach various devices to the contact plate 31. The left and right ends of the plate 31 are provided with seed suction boxes 2.
The leveling tools 33 and 3 protrude from the 0 in the left and right directions, respectively, and the protrusions 32' and 32'' are provided with leveling tools 33 and 3, respectively.
Install 3'. The leveling tools 33, 33' are also of a special construction, in which a coiled wire 35 is loosely fitted around the outer periphery of a metal round bar 34. Both the metal round rod 34 and the coiled wire 35 touch the surface of the seeds in the seed box 5 to level them, but at this time, the coiled wire 35
The rotation caused by the contact resistance also causes the seeds to move back and forth to some extent.

Both ends of the metal round rod 34 are bent at right angles to form a bent part 36, and the upper end of the bent part 36 is inserted into the protruding parts 32' and 32'' from below, and the upper end is fixed with a screw.Seed Suction Box The bottom surface 21 of the seedling box 20 has suction holes 37 at positions corresponding to the centers of the squares 4 of the seedling raising box 2 for adsorbing only 2 to 3 particles (sometimes only 1 particle) of ultrafine particles such as Chinese cabbage seeds. It is formed.

The suction hole 37 is formed so that the seeds can enter therein. Two suction ports 38, 38' and a plurality of inflow ports 39 are opened in the upper surface of the seed suction box 20. 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. . That is,
The dimensions of the seedling box are 1:2 horizontally, so when viewed from the front and back, it is the center of the left and right sides.
When viewed from the left and right, there are openings at the center of each of the front and rear halves, which are divided into two halves. The two suction ports 38, 38' are connected by one suction cylinder 40,
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 the respective actuators 46, 43' of the solenoids 43, 43'
46', connect the connecting rod 47, attach each valve 44 to the connecting rod 47, and connect the solenoids 43, 43'.
When energized, the plurality of inflow ports 39 are formed to open simultaneously.

The fact that the inflow ports 39 are simultaneously opened by the solenoids 43 and 43' is also a special feature, since this gives an impact to the seed suction box 20.

FIG. 8 to FIG. 10 show the seed suction box 20 shown in FIGS.
When the seeds are in the seed box 5, the bottom member 7 is automatically and resiliently moved upward, and this is the gist of the present invention.

Engaging bodies 48 projecting forward and backward are attached to both the front and rear of the seed suction box 20, respectively.
The left and right sides of the engaging body 48 protrude laterally beyond the seed suction box 20, and the tip portions 49, 49' are formed lower toward the outside. Each engaging body 48 is made of a band sheet and is formed by bending the same. When the seed suction box 20 moves, the engaging member 48 also moves together, and an engaging member 50 is provided on the movement trajectory,
The engaging member 50 is attached to the upper end of the vertically movable rod 51, and the vertically movable rod 51 is inserted into the shaft tube 52 so as to be vertically movable.
An upper receiving plate 53 is inserted into the intermediate position, and a lower receiving plate 54 is fixed to the lower end of the vertically movable rod 51. Upper and lower receiving plates 5
3 and 54 are separately formed with vertical through holes 57 and 58, the mold rod 55 is inserted into the through holes 57 and 58, and a spring 56 is attached. When the lower receiving plate 54 moves upward, the mold rod 55 becomes elastic. Then, the bottom member 7 is fixed to the mold rod 55.

(effect) Next, we will discuss the effect.

Put seeds such as Chinese cabbage, cabbage, or cauliflower into the seed box 5, place the seedling raising box 2 on the horizontal stand 3 on the side where the seed suction box 20 is not present, and turn on the switch to turn on the suction blower 41. It rotates and sucks air from each suction hole 37.

When the motor 25 is energized, the pinion gear 28 fixed to the shaft 27 rotates to move the seed suction box 20 to the right. Seed inhaler box 2
0 moves to the right, medium-height engaging bodies 48 are provided on the sides of the seed suction box 20, respectively.
Further, since engaging members 50 that engage with the engaging bodies 48 are provided on both the front and rear sides of the seed box 5, when the seed suction box 20 approaches the top surface of the seed box 5, the engaging members 50 engage with the engaging bodies. 48 and moves upward.

Therefore, the vertically movable rod 51 attached to the engaging member 50 moves upward a little along with the spring 56,
The mold rod 55 is moved upward by the spring 56 and the bottom member 7 is
20, move the seeds upward, and then place the seeds on the bottom surface 2 of the suction box 20
1 to make the seeds more effectively sucked into the suction hole 37.

Then, the seeds in the seed box 5 are leveled by the leveling tool 33' attached to the tip of the suction box 20, and when the bottom surface 21 of the seed suction box 20 comes into sliding contact with the top surface of the seeds, the seeds are formed on the bottom surface 21. The seeds are sucked into the suction hole 37, and when the seed suction box 20 moves to the right, it hits the switch 30', the seed suction box 20 stops at the top of the seedling box 2, and the solenoids 43 and 43' are energized to open the inlet 3.
9 is moved upward with an impact to cause the seeds adsorbed to the suction holes 37 to fall into the squares 4 of the seedling raising box 2.

(Effect) When transplanting the above-mentioned vegetables to a field, fill a seedling raising box with many 5 cm square squares with bed soil, sow the seeds on the bed soil and grow them, and then transplant the whole bed soil from within the squares. The seedlings are pulled out and used as seedlings with soil, which are then transplanted using a transplanter. When sowing seeds on the bed soil within the squares of the seedling raising box, sow 1 to 3 seeds at a time in the center of the square, and never sow them individually. If you sow in bulk, you will have to do a lot of thinning to get one (or two) plants. However, if the seeds are large like radish, it is not difficult to create a device that can sow 1 to 3 seeds at a time, but seeds such as Chinese cabbage are extremely fine particles, so it takes a considerable amount of effort to sow them. Difficulty involved.

However, in the present invention, a seed box 5 whose top surface is open is provided at the center of a horizontally long horizontal table 3 on which a seedling raising box 2 can be placed, and a seed box 5 with an open top surface is provided at a position above the horizontal table 3 for seeds that move horizontally. A suction box 20 is provided, and the seed suction box 20 is configured to slide on the seed box 5 when horizontally moving, attract seeds in the seed box 5, and drop them on the seedling box 2; The seed box 5 is formed by a vertical tube 6 and a bottom member 7 that moves up and down inside the vertical tube 6, the bottom member 7 is provided with an engaging member 50, and the seed suction box 20 is provided with an engaging member 50. An engaging body 48 is provided that engages with the engaging member 50 and moves the engaging member 50 upward when the seed suction box 20 horizontally slides on the seed box 5. When sliding, the bottom member 7 is moved upward to press the seeds onto the bottom surface of the seed suction box 20. This is the structure of the seedling box sowing device. When seeds such as cabbage, cauliflower, etc. are put in, and the seedling box 2 is placed on the horizontal stand 3 on the side where the seed suction box 20 is not present and the switch is turned on, the motor 25 is energized and the seed suction box 20 is turned on. sideways, and at that time, the seed suction box 2
0 engages with the engaging member 50 and moves it upward, causing the bottom member 7 to move upward, so that the seeds are strongly impacted on the bottom surface 21 of the suction box 20 and the suction hole 3
It has the effect of improving the quality of seeds compared to No. 7 and allowing accurate sowing even with small seeds.

[Brief explanation of drawings]

Figure 1 is an overall front view, Figure 2 is a vertical front view with the seedling box removed from Figure 1, Figure 3 is a left side view of Figure 1, Figure 4 is a left vertical side view of Figure 5, and Figure 5 is a left side view of Figure 1. The figure is a plan view, Fig. 6 is a front view of the leveling tool, Fig. 7 is a perspective view of the seed box, Fig. 8 is a side view of the present invention, Fig. 9 is a perspective view thereof, and Fig. 10 is a longitudinal section of the same. It is a front view. 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... Seed inhalation box, 21...
Bottom surface, 22, 22'... Arm, 23, 23'...
Roller, 24...Rail, 25...Motor,
26... Support member, 27... Shaft, 28... Pinion gear, 29... Horizontal rack gear, 30, 30'
...Switch, 31...Plate, 32...Screw, 3
2', 32''... protrusion, 33, 33'... leveling tool,
34...Metal round bar, 35...Coil wire, 36...
...Bending portion, 37... Suction hole, 38, 38'... Suction port, 39... Inflow port, 40... Suction cylinder, 41...
...Suction blower, 42... Bellows, 43, 43'...
...Solenoid, 44...Valve, 45, 45'...
... Protruding piece, 46, 46'... Actuator, 47... Connecting rod,
48...Engagement member, 49, 49'...Engagement member,
50... Roller, 51... Vertical moving rod, 52... Shaft cylinder, 53... Upper receiving plate, 54... Lower receiving plate, 55...
Mold rod, 56... Spring, 57... Through hole, 58...
Through hole.

Claims (1)

[Claims] 1. A seed box 5 with an open top surface is provided at the center of a horizontally long horizontal table 3 on which a seedling raising box 2 can be placed, and a seed suction box 20 that moves horizontally is provided above the horizontal table 3. , when the seed suction box 20 moves horizontally, it slides on the seed box 5 and closes the seed box 5.
The seed box 5 is configured to attract seeds inside and drop them on the seedling raising box 2, and the seed box 5 is formed by a vertical tube 6 and a bottom member 7 that moves up and down inside the vertical tube 6.
is provided with an engaging member 50 on the side of the seed suction box 20, which engages with the engaging member 50 when the seed suction box 20 horizontally slides on the seed box 5.
0 is provided, so that when the seed suction box 20 slides on the seed box 5, the bottom member 7 is moved upward to press the seeds to the bottom surface of the seed suction box 20. A seeding device for seedling boxes made as follows.