JPH08154426A - Manual dot seeding machine - Google Patents

Abstract

PURPOSE: To provide a manual dot seeding machine capable of readily and surely seeding in a field of a small scale. CONSTITUTION: A hopper 12 and a seed supplying cylinder 14 are attached to the outside at the upper part side of a case 1 and the outside at the lower part side, respectively. The case is provided with an upper feed hole 8 communicating from a drum housing chamber 4 set in the interior of the case 1 with the hopper 12, a lower part feed hole 9 communicating from the drum housing chamber 4 with the seed supplying cylinder 14 and a shaft hole 6 at the center of a shaft in the drum housing 4. A manual handle 27 and a drum 34 to be inserted into the drum housing chamber 4 are fixed to a revolving shaft 19 to be inserted into the shaft hole 6. Recessed parts for housing gel-coated seeds G are set at plural positions on the outer peripheral face of the drum housing chamber 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a manual spotting machine for surely seeding gel-coated seeds on the surface of a field or ridges.

[0002]

2. Description of the Related Art A machine for sowing seeds on the surface of a field or a ridge is described in the 50th convention of the Japan Society of Agricultural Machinery.
There is a technology announced under the theme of "Research on a seeder for film multi-cultivation" (see the abstract of the lecture in April 1991). This film multi-cultivator sowing machine is equipped with a seed hopper, a seed discharging shutter section, a feeding section, a wheel driving section, a computer, etc. in a sowing machine main body equipped with wheels, and directly drives and drives the field surface and ridges, The seeds in the seed hopper,
The seeds are taken out on the seed-discharging shutter by a perforated plate rotated by a stepping motor, the seed detection sensor detects the seeds, and the multi-hole detection sensor detects the planting holes, and then the seeding shutter is opened to seed the seeds. It is supposed to do.

[0003]

However, with this seeding machine, the entire apparatus becomes large and suitable for a large-scale field, but not suitable for a small-scale place such as a vinyl greenhouse.
In addition, as a practical problem, since the number of seeds is small on the scale of a greenhouse, a device that can perform seeding easily and surely is desired. In consideration of such a problem, the present invention ensures that the gel-coated seeds are dropped one by one into the planting hole by rotating the drum connected to the manual handle in order to allow easy and reliable sowing.

[0004]

In order to achieve the above object, the present invention provides a case, a drum accommodating chamber having a circular inner peripheral surface formed inside the case, and a drum accommodating chamber of the drum accommodating chamber. An upper supply hole that opens to the outer surface of the case from above,
A lower supply hole opening from the lower side of the drum accommodating chamber to the outer surface of the case and a shaft hole located at the axis of the drum accommodating chamber are provided, and a gel-coated seed is accommodated inside the opening of the upper supply hole. Hopper is provided, the seed supply tubular body is attached to the opening of the lower supply hole, and a rotary shaft rotatably inserted into the shaft hole is provided with storage recesses capable of storing seeds at a plurality of positions on the outer peripheral surface. A drum to be inserted into the drum accommodating chamber is fixed, and a manual handle is fixed to one end of the rotary shaft to form a manual spotting machine.

It is desirable that the number of the accommodating recesses is two and that they are provided at positions facing each other on the outer peripheral surface of the drum. It is preferable that the upper supply hole has an inclined surface on which seeds can roll. Further, it is convenient for use to provide a stopper on the outer peripheral surface of the seed supply tubular body at a position corresponding to the seeding depth dimension from the lower end. It is desirable that a plurality of engagement holes be provided on the side surface of the drum, and that the case be provided with a plunger whose tip can be engaged with and disengaged from the engagement hole, and a click mechanism that urges the plunger in the engagement direction.

[0006]

The manual spotting machine constructed as described above has a simple structure and can be constructed in a light weight, so that it is convenient to carry and use. When a large number of gel-coated seeds are put into the hopper, only one gel-coated seed in the hopper passes through the upper supply hole and is dropped and inserted into the accommodation recess at the upper position of the drum. At this time, if an inclined surface is formed in the upper supply hole, the gel-coated seed moves along the inclined surface and is inserted into the upper supply hole, so that a bridge is unlikely to occur in the upper supply hole and clogging occurs. To be prevented.

Since the tip of the plunger is engaged with the engaging hole of the drum, the idle rotation of the drum is prevented. When the lower end of the seed supply tubular body is set up at a position such as a field surface or a ridge where seeds should be planted, the lower end of the seed supply tubular body is inserted into the soil surface to form a planting hole. When the stopper is brought into contact with the surface of the field or the surface of soil such as a ridge, the lower end of the seed supply tubular body has a predetermined sowing depth.

Next, when the manual handle is rotated by a predetermined angle with the other hand (when the number of the accommodating recesses is two, the rotation of the manual handle is about 180 degrees), the accommodating recess at the upper position of the drum is rotated. The seeds that have been inserted move to the lower position of the drum and fall into the plant holes formed on the soil surface via the cylindrical body for seed supply. As described above, each time the lower end of the seed supplying tubular body is brought into contact with the soil surface to form the planting hole, the manual handle is rotated by a predetermined angle to be seeded.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a sectional view of a manual point seeder cut along a plane including a rotary shaft, FIG. 2 is a sectional view taken along line XX of FIG. Is a side view of the manual spotting machine, FIG. 4 is a front view of the manual spotting machine, and FIG. 5 is an enlarged view of a main part of FIG. As shown in FIG. 1, the case 1 is composed of a case body 2 and a case cover 3. The case body 2 is provided with a drum accommodating chamber 4 having a circular inner peripheral surface and opening to the left. The case cover 3 that is in contact with the left surface of 2 is fastened to the case body 2 with the screw 5.

In the case 1, a shaft hole 6 penetrating the axial center position of the drum housing chamber 4 and an upper supply hole 8 opening from above the drum housing chamber 4 (upper end portion in this embodiment) to the outer surface of the case 1 are provided. And a lower supply hole 9 opening to the outer surface of the case 1 from below the drum housing chamber 4 (lower end portion in this embodiment),
A handle 7 is attached to the outer surface on the right side of the case 1. Between the large opening 10 formed at the upper end of the upper supply hole 8 and the lower end of the upper supply hole 8, an inclined surface 11 on which the spherical gel-coated seed G can be rolled toward the drum accommodating chamber 4 is provided. .

A hopper 12 mounted on the upper surface of the case 1.
Is provided with a flange 13 on the outer peripheral surface near the lower end, and after the portion below the flange 13 is inserted into the opening 11, the flange 13 is screwed to the upper surface of the case 1.
Seed supply cylindrical body 14 attached to the lower surface of the case 1
A flange 15 provided on the upper end is screwed to the lower surface of the case 1, and a stopper 16 is provided around the lower end of the seed supply tubular body 14 by the seeding depth dimension. The length of the seed supply tubular body 14 is such that the lower end of the seed supply tubular body 14 is substantially in contact with the soil when a standing worker grips the handle 7 in a comfortable posture.

The shaft hole 6 of the case body 2 has a collar 17 at the end.
The oil-impregnated bearing bush 17 having a is inserted into the collar 1
7a contacts the inner surface of the drum accommodating chamber 4. An oil-impregnated bearing bush 18 having a flange 18a at its end is inserted into the shaft hole 6 of the case cover 3, and the flange 18a abuts the inner surface of the drum accommodating chamber 4 (see FIG. 5). Bearing bush 17, 18
The rotary shaft 19 that is rotatably inserted into the inside has a screw hole 20 on the right end surface (see FIG. 5).

A shaft stopper member 21 attached to the right end surface of the rotary shaft 19 is a recess 22 formed on the right side in FIG.
Then, a bolt insertion hole 23 penetrating the bottom of the recess 22 is provided, and the bolt 24 inserted into the bolt insertion hole 23 is screwed into the screw hole 20 of the rotary shaft 19. An angular shaft 25 extends at the left end of the rotary shaft 19, and a male screw portion 26 is provided at the tip of the angular shaft 25 (see FIG. 5).

A square hole 29 provided in a boss portion 28 of a manual handle 27 is inserted through the square shaft 25, and the manual handle 27 is fixed to the rotary shaft 19 by a nut 30 screwed into the male screw portion 26. Reference numeral 31 shown in FIG. 5 is a packing inserted between the case cover 3 and the manual handle 26. Therefore, the rotation shaft 19 is restrained from moving in the axial direction by the shaft stopper member 21 and the boss portion 28 of the manual handle 27.

A key 33 is fitted in a key groove 32 formed in the rotary shaft 19, and a key groove 35 into which the key 33 is inserted is provided on the inner peripheral surface of a drum 34 mounted on the rotary shaft 19. A gap of about 3 mm is formed between the outer peripheral surface of the drum 34 and the inner wall surface of the drum housing chamber 4. The diameter of the gel-coated seed G is usually set to 7 to 11 mm, and its variation is ± 1 mm. Therefore, the gap between the outer peripheral surface of the drum 34 and the inner wall surface of the drum housing chamber 4 should be at least 2 mm. .

The drum 34 rotates integrally with the rotary shaft 19, and the collar 17a of the bush 17 and the collar 1 of the bush 18 are rotated.
Axial movement is restricted by 8a (see FIG. 5). Plural locations on the outer peripheral surface of the drum 34 (two locations in this embodiment)
An accommodation recess 36 is provided in which one gel-coated seed G is accommodated. The accommodating recesses 36 are located at positions facing each other on the outer peripheral surface of the drum 34, and the depth of the accommodating recesses 36 is the depth at which the gel-coated seed G accommodated therein is immersed in the outer peripheral surface of the drum 34.

The case body 2 is provided with a screw hole 37 penetrating from the outer surface to the drum accommodating chamber 4, and the screw hole 37 has a screw hole 37.
Male screw 39 provided on the outer peripheral surface of the plunger case 38
Screw together. The plunger case 38 has a front wall 4 at the tip (left end in FIG. 5) of a tubular portion 40 having a male screw 39.
1 is provided, and the hole 42 penetrates the central portion of the front wall 41. A thick rear wall 43 is provided at the rear end of the tubular portion 40, and a hexagonal hole 44 with a bottom into which a wrench for screwing the plunger case 38 into the screw hole 37 is inserted is provided on the rear end surface of the rear wall 43.
Are provided (see FIG. 5).

A plunger 45, which is movable in the axial direction, is inserted into the plunger case 38.
The engaging portion 46 provided at the tip of is inserted into the hole 42. The tip of the engaging portion 46 is formed in a spherical shape, and is urged in a direction to project to the drum accommodating chamber 4 by a spring 47 inserted between the plunger 45 and the rear wall 43.

On the side surface of the drum 34, an engaging hole 48 is provided at a position facing the engaging portion 46 of the plunger 45 and dividing the circumference into eight equal parts. Since the diameter of the engagement hole 48 is smaller than that of the engagement portion 46 of the plunger 45, the spherical tip end surface of the engagement portion 46 is shallowly engaged, so that the drum 3
4 is prevented from idling, and when the manual handle 27 is turned, a click mechanism is formed in which the engaging portion 46 is pushed out from the engaging hole 48.

Next, the operation of the manual spotting machine constructed as above will be described. This manual point seeder has a simple structure and can be configured to be lightweight, which is convenient for carrying and using. In the gel-coated seed G, only the surface layer of the spherically formed gel film is cured, and the seed and air bubbles are contained inside the gel film.

When a large number of gel-coated seeds G are put into the hopper 12, the gel-coated seeds G are dropped and supplied from the lower end of the hopper 12 to the upper supply hole 8. When the accommodation recess 36 of the drum 34 overlaps the upper supply hole 8, one gel-coated seed G is dropped and inserted into the accommodation recess 36. At this time, when the inclined surface 11 is formed in the upper supply hole 8, the gel-coated seed G moves along the inclined surface 11 and is inserted into the upper supply hole 8. It is less likely to occur and clogging is prevented.

Since the tip of the plunger is engaged with the engaging hole 48 of the drum 34, the drum 34 is lightly locked to the case body 2 to prevent idling. When the operator who holds the handle 7 of the case with one hand stands the lower end of the seed supply tubular body 14 on the surface of the field or the soil surface on which seeds such as ridges should be planted, the seed supply tubular body 14 The stopper 16 hits the soil surface, and by the lower end of the seed supplying tubular body 14,
A planting hole having a predetermined sowing depth is formed.

Next, when the manual handle 27 is rotated by approximately 180 degrees with the other hand, the accommodation recess 36 located at the upper position of the drum 34 becomes the lower position of the drum 34, and the gel coating inserted in the accommodation recess 36 is covered. Seed G is a cylinder 1 for seed supply
It falls via 4 into the vegetation formed on the soil surface. As described above, the lower end of the seed supply tubular body 14 is brought into contact with the soil surface, the manual handle 27 is rotated by 180 degrees, and the gel-coated seed G is sown.

When the manual handle 27 is not rotated, the engaging portion 46 of the plunger 45 is lightly engaged with the engaging hole 48, so that the drum 34 does not rotate even if it receives an external force due to its own weight or shaking. There is no need for sowing in places other than the planting holes. When rotating the manual handle 27, a slight resistance is generated when the engaging portion 46 of the plunger 45 is pushed out from the engaging hole 48, but when actually using a manual point seeder, this small resistance is preferable. It seems that the manual handle 27 can be easily operated.

[0025]

Since the present invention is constructed as described above, it has the following effects. (1) Since the manual spotting machine of the present invention has a simple structure and can be manufactured to be lightweight, it is convenient for transportation and use. (2) Seeding can be performed easily and reliably by a simple operation of rotating the manual handle by a predetermined angle. (3) When there are two housing recesses and they are provided at the positions facing each other on the outer peripheral surface of the drum, the manual handle can be rotated 180 degrees, which simplifies the operation of the manual handle. Become. (4) When the upper supply hole of the case is formed with an inclined surface, the spherical gel-coated seeds easily roll and the bridge is unlikely to occur in the upper supply hole. (5) When the stopper is provided at the lower end of the seed supply tubular body, it is easy to make the seeding depth almost constant. (6) When the click mechanism that lightly locks the drum by the hole provided in the drum and the plunger provided in the case is provided, it is possible to prevent the drum from idling.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a manual point seeder cut along a plane including a rotation axis.

FIG. 2 is a sectional view taken along line XX of FIG.

FIG. 3 is a side view of a manual point seeder.

FIG. 4 is a front view of a manual point seeder.

5 is an enlarged view of a main part of FIG.

[Explanation of symbols]

 1 Case 2 Case Body 3 Case Cover 4 Drum Storage Chamber 6 Shaft Hole 8 Upper Supply Hole 9 Lower Supply Hole 11 Sloping Surface 12 Hopper 14 Seed Supply Cylindrical Body 16 Stopper 18 Bearing Bushing 19 Rotating Shaft 21 Shaft Stopping Member 27 Manual Handle 34 Drum 36 Recessed Recess 38 Plunger Case 45 Plunger 46 Engagement Part 47 Spring 48 Engagement Hole

Claims (5)

[Claims] 1. A case, which has a circular inner peripheral surface and is formed inside the case, and an upper supply hole that opens from above the drum room to the outer surface of the case.
A lower supply hole opening from the lower side of the drum accommodating chamber to the outer surface of the case and a shaft hole located at the axis of the drum accommodating chamber are provided, and a gel-coated seed is accommodated inside the opening of the upper supply hole. Hopper is provided, the seed supply tubular body is attached to the opening of the lower supply hole, and a rotary shaft rotatably inserted into the shaft hole is provided with storage recesses capable of storing seeds at a plurality of positions on the outer peripheral surface. A manual point seeder having a drum fixed to the drum accommodating chamber and a manual handle fixed to one end of the rotary shaft. 2. The manual point sowing machine according to claim 1, wherein the number of the accommodating recesses is two, and the accommodating recesses are provided at positions facing each other on the outer peripheral surface of the drum. 3. The manual point seeder according to claim 1, wherein the upper supply hole has an inclined surface on which seeds can roll. 4. The manual point seeder according to claim 1, wherein a stopper is provided on the outer peripheral surface of the seed supply tubular body at a position corresponding to the seeding depth dimension from the lower end. . 5. A plurality of engagement holes are provided on a side surface of the drum, a plunger having a distal end engageable with the engagement hole, and a click mechanism for urging the plunger in an engaging direction are provided in the case. It is provided, Claims 1, 2, 3
Or the manual point seeder described in 4.