JP2002369605A - Seeding machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seeding machine with which seeds can be smoothly taken out from a seed storage part. SOLUTION: This seeding machine 1 is equipped with a feed roll 20 which has at least one feeding hole 30 to hold one seed and is attached to the seeding machine so as to move the feeding hole 30 between the inside and the outside of a seed storage case 16 to store a large number of seeds. The seeding machine 1 is characterized in that the seeding machine is equipped with a guide part 21 for arranging seeds in a row along a transfer route of the feeding hole 30 and with recessed parts 33 for shaking seeds inside the seed storage case 16 at the opposite side of the feeding hole 30 of the guide part 21 in the feeding roll 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sowing machine for sowing seeds in a field.

[0002]

2. Description of the Related Art FIG. 6 is a sectional side view of a main part of a conventional seeding machine.
(A). The seeding machine 50 includes a seed storage case 52 that stores a large number of seeds 51, and a feeding roll 53 that is rotatably provided at a lower opening of the seed storage case 52. The feeding roll 53 is provided with feeding holes 54 for receiving one seed 51 at predetermined intervals in a circumferential direction.
By rotating the feeding roll 53, the seeds 51 in the seed storage case 52 are pumped one by one into the feeding hole 54, and the seeds 51 are sequentially taken out of the seed storage case 52.

[0003]

However, each feeding hole 5
4 is formed in a size that can accommodate the seeds 51 one by one, so that, for example, as shown in FIG.
When the seeds 51 in the inside are aligned side by side on the moving path of the payout hole 54, even if the payout roll 53 is rotated to move the payout hole 54 as shown by a broken arrow in FIG.
There is a problem that 1 cannot enter the feeding hole 54.

[0004] It is an object of the present invention to solve the above-mentioned problems and to provide a seeding machine capable of smoothly removing seeds from a seed storage unit.

[0005]

In order to achieve the above object, a seeding machine according to the present invention has at least one feeding hole into which one seed is inserted, and is provided with a seed storage portion for storing a large number of seeds. In a seeding machine having a feeding member attached so as to be able to move the feeding hole between the outside and the outside, a guide portion for aligning seeds in a line along a moving path of the feeding hole is provided. It is characterized by that.

[0006] The seeding machine of the present invention has at least one feeding hole for one or more seeds, and the feeding hole is formed between the inside and the outside of a seed storage part for storing a large number of seeds. In a sowing machine provided with a dispensing member attached so as to be movable, the dispensing member is provided with a concave portion or a convex portion for swinging the seed inside the seed storage portion.

Further, the seeding machine of the present invention has at least one feeding hole for receiving one seed, and moves the feeding hole between the inside and the outside of a seed storage portion for storing a large number of seeds. A seeding device provided with a feeding member attached so as to be able to perform, and a guide portion for aligning seeds in a line along a moving path of the feeding hole, and a counter feeding of the guide portion in the feeding member. It is characterized in that a concave portion or a convex portion for swinging the seed inside the seed storage portion is provided on the hole side.

[0008] In the above-mentioned seeding machine, the above-mentioned feeding member comprises:
A feed roll having the feed hole formed on the peripheral surface thereof, and a feed roll rotatably mounted so that the feed hole can be moved between the inside and the outside of the seed storage unit; Has a guide member formed on both sides of the moving path of the payout hole so as to extend in the circumferential direction of the payout roll, and the concave portion or the convex portion is provided on a periphery of the payout roll on the side opposite to the payout hole of the guide member. The aspect formed on the surface can be exemplified.

In the above, the seeds are aligned in a line along the movement path of the payout hole by the guide portion, so that the seeds are located almost directly above the payout hole to be moved. Seeds enter the hole smoothly.

[0010] The seeds in the seed storage portion are swung by the concave portions or the convex portions to promote the flow of the seeds so that the seeds can smoothly enter the feed holes.

[0011]

1 to 5 show a seeding machine 1 according to an embodiment of the present invention. This seeder 1
It is for tractor attachment towed and driven by a tractor (not shown), and has an airframe 2, front wheels 3 and rear wheels 4 rotatably supported before and after the airframe 2, and a sowing groove in a field. A grooving / covering mechanism 5 for laying the soil that has been flipped up at that time in a sowing groove behind, a fertilizing device 6 for applying fertilizer to the sowing groove, a sowing device 7 for sowing seeds 9 in the sowing groove, A dispensing device 8 for applying pesticides to the seeding groove and a power transmission mechanism 11 for transmitting power input from the tractor via the input shaft 10 to each mechanism and device. The fuselage 2 includes a lift arm 12 and a mast 13 extending forward, and the lift arm 12 and the mast 13
Is mounted on the tractor and is towed.

The seeding apparatus 7 includes a seed hopper 15 supported by the body 2, a seed storage case 16 connected to a lower part of the seed hopper 15 as a seed storage unit, and a lower opening of the seed storage case 16. And a feeding unit 17 for feeding the seeds 9 from the seed storage case 16 and a seed dropping cylinder 18 for guiding the fed seeds 9 to fall on the seeding groove.

The feeding portion 17 includes a feeding roll 20 as a feeding member rotatably supported by a lower opening of the seed storage case 16 via a rotary shaft 27, and a guide portion 21 attached to the seed storage case 16. And The leading end of the cutting brush 22 is attached to the feeding opening of the lower opening portion of the seed storage case 16 so as to rub against the outer periphery of the feeding roll 20. A cover 23 made of a transparent resin for confirming the movement of the seed 9 that has passed through is provided. Also,
The opening on the opposite side of the opening is closed by a seed discharge shutter 24 that is openably and closably mounted. When the opening is opened by sliding the seed discharge shutter 24 in the lateral direction, the seeds 9 in the seed storage case 16 are discharged through the cylindrical portion 25 and the hose 26.

The positions A, A in the width direction of the peripheral surface of the feeding roll 20
In B, a plurality of (eight in this example) payout holes 30 are formed at predetermined intervals in the circumferential direction (in this example, at every 45 ° central angle), and at each of the positions A and B.
Are formed in a ring shape. Each feeding hole 30 is formed in such a size that one seed 9 enters and two or more seeds 9 do not enter. When the feeding roll 20 is rotated, the seed storage case 1
The feeding hole 30 can be moved between the inside and the outside of 6. The seed pop-out groove 31 is formed deeper than the feed-out hole 30, and a seed pop-out plate 32 attached to the tip of the seed discharge shutter 24 is disposed in the groove. The seed splashing plate 32 is configured to forcibly bounce out the seeds 9 that do not fall naturally from the inside of the delivery hole 30 even when the delivery hole 30 faces downward.

A recess 33 for swinging the seed 9 inside the seed storage case 16 is provided at both ends in the width direction of the circumferential surface of the feeding roll 20. This recess 3
A plurality 3 (six in this example) are formed at predetermined intervals in the circumferential direction (in this example, at every 60 ° central angle). Each recess 3
Reference numeral 3 is formed so that the front side in the rotation direction of the feeding roll 20 becomes deeper stepwise, and gradually becomes shallower toward the rear side in the rotation direction. Thus, when the feeding roll 20 is rotated, the seeds 9 enter the recesses 33 from the front side formed in a step shape, and the seeds 9 move suddenly. Thereby, the seed 9 in the seed storage case 16 can be swung, and the flow of the seed 9 can be promoted. Although not particularly limited, when the opening of the concave portion 33 is formed to be larger than the diameter of the seed 9 as in this example, the depth of the concave portion 33 is set to a depth that does not allow the entire seed 9 to enter (preferably, a depth approximately equal to the radius of the seed 9). Sa)
Is preferable. This is the seed 9 through the recess 33
In order not to pass under the square brush 22.

The guide portion 21 has a tip portion 35 formed so as to extend along the circumferential direction of the peripheral surface of the feeding roll 20, and a support portion 36 for supporting the tip portion 35 on the seed storage case 16. In addition to the formed guide portion main body 37, a guide plate 39 mounted on both sides of the distal end portion 35 via a pair of upper and lower spacers 38 is provided. The guide plate 39 is formed in a shape substantially equal to the cross-sectional shape of the distal end portion 35. The tip 35 is
As shown in FIG. 2, a side surface 35a is formed at a position substantially in contact with the periphery of the payout hole 30 so as not to block the payout hole 30 in plan view. The distance between the side surface 35a and the side surface 39a on the tip end side of the guide plate 39 is the same as that of the feeding hole 30.
It is set to be substantially equal to the diameter of the opening. As described above, the guide portion 21 is provided with the distal end portion 35 as a guide member.
Further, guides are formed on both sides of the moving path of the feeding hole 30 by the guide plate 39, and the seeds 9 are aligned in a line along the moving path of the feeding hole 30.

Next, the operation of the seeding apparatus 7 will be described. When the seeding machine 1 in which the seeds 9 are put in the seed storage case 16 is installed in a field, and is attached to a tractor and pulled, the feeding roll 20 is turned in the direction of the arrow shown by a solid line in FIGS. To rotate. With this rotation, the seeds 9 in the seed storage case 16 are sequentially pumped up to the payout holes 30 as shown in FIG. Further, by the rotation, the seed 9 in the seed storage case 16 is rocked by the concave portion 33 formed in the feeding roll 20 as shown in FIG. Thereby, the flow of the seed 9 is promoted, and the seed 9 is smoothly fed into the guide formed by the distal end portion 35 of the guide portion 21 and the guide plate 39, and the seed 9 is smoothly fed into the feeding hole 30.

Now, the seed 9 pumped into the feeding hole 30 will be described.
Is guided through the cover 23 after passing under the cutting brush 22, then falls from the feeding hole 30, passes through the seed falling cylinder 18, falls into the seeding groove, and is covered by the groove cutting / covering mechanism 5. Is done. Then, along with the sowing, the fertilizer is applied to the sowing groove by the fertilizer 6 as appropriate, or the pesticide is applied as appropriate by the dispenser 8.

Although the above embodiment has been described with respect to the seeding machine 1 for tractor attachment, the present invention can be implemented in various sowing machines such as a sowing machine for pulling a tailor and a hand-operated sowing machine. Not done.

The seeding machine 1 of the present invention configured as described above.
According to this, since the guide portion 21 for aligning the seeds 9 in a line along the moving path of the feeding hole 30 is provided,
The seed 9 can be positioned substantially directly above the dispensing hole 30 to be moved. For this reason, the seeds 9
Can be smoothly taken out, so that the seeds 9 can be smoothly removed from the seed storage case 16 as a seed storage unit.

Further, since the feeding roll 20 as the feeding member is provided with the concave portion 33 for swinging the seed 9 inside the seed storage case 16, the flow of the seed 9 in the seed storage case 16 can be promoted. it can. Therefore, the seeds 9 can be smoothly taken out of the seed storage case 16 because the seeds 9 can be smoothly put into the feeding holes 30.

It should be noted that the present invention is not limited to the above-described embodiment, and can be embodied by appropriately changing the scope of the invention as follows, for example, as follows. (1) A convex portion is provided on the peripheral surface of the feeding roll 20 instead of the concave portion 33 or together with the concave portion 33. (2) The concave portion 33 is omitted from the peripheral surface of the feeding roll 20. (3) The guide section 21 is omitted.

[0023]

According to the seeding machine of the present invention, there is an excellent effect that the seeds can be smoothly removed from the seed storage section.

[Brief description of the drawings]

FIG. 1 is a side view of a seeder according to an embodiment of the present invention.

FIG. 2 is a plan view showing a feeding section of the seeder.

FIG. 3 is a sectional view taken along line III-III of FIG. 2;

FIG. 4 is a sectional view taken along line IV-IV of FIG. 2;

FIG. 5 is a perspective view showing a main part of the feeding section.

FIG. 6 is a view showing a feeding part of a conventional seeder;
(A) is a side cross section, (b) is a plan view.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 seeding machine 7 seeding device 9 seed 16 seed storage case 17 feeding section 20 feeding roll 21 guide section 30 feeding hole 33 concave section 35 tip section as guide member 39 guide plate as guide member

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Toru Tsubomoto 447 Shimoichi, Sanyo-cho, Akaiwa-gun, Okayama Prefecture Minoru Sangyo Co., Ltd. F-term (reference) 2B054 AA05 BA01 BB01 CA04 DC06 DD07 DD22

Claims (4)

[Claims] At least one feeding hole for receiving one seed is attached, and the feeding hole is mounted so that the feeding hole can be moved between the inside and the outside of a seed storage portion for storing a large number of seeds. A sowing machine provided with a feeding member, further comprising: a guide portion for aligning seeds in a line along a moving path of the feeding hole. 2. The method according to claim 1, wherein the dispensing hole has at least one dispensing hole into which one or more seeds enter, and the dispensing hole can be moved between an inner side and an outer side of a seed storage portion for storing a large number of seeds. A sowing machine provided with an attached feeding member, wherein the feeding member includes a concave portion or a convex portion for swinging a seed inside the seed storage unit. 3. It has at least one feeding hole for receiving one seed, and is mounted so that the feeding hole can be moved between the inside and the outside of a seed storage portion for storing a large number of seeds. A sowing machine provided with a feeding member, comprising: a guide portion for aligning seeds in a line along a movement path of the feeding hole; and a seed storage portion on a side of the feeding member opposite to the feeding portion of the guide portion. A seeding machine comprising a concave portion or a convex portion for swinging an inner seed. 4. The dispensing member is rotatably mounted such that the dispensing hole is formed in a peripheral surface thereof and the dispensing hole can be moved between the inside and the outside of the seed storage unit. The guide portion includes a guide member formed on both sides of a movement path of the feed hole so as to extend in a circumferential direction of the feed roll, wherein the concave portion or the convex portion is provided in the feed roll. The seeder according to claim 3, wherein the seeder is formed on a peripheral surface of the guide member on the side opposite to the feeding hole.