JP2552482B2 - High-speed seedling box seeding equipment for seeding plant - Google Patents

Description

TECHNICAL FIELD The present invention relates to a seeding device for a high-speed seedling seeding plant.

(Prior Art) Japanese Patent Laid-Open Publication No. 60-196104 discloses a seed feeding unit at a lateral position slightly above the horizontal position on the rotation rising side of a horizontal shaft feeding roll having a large number of feeding recesses on the outer peripheral surface. And a second rotary leveling brush that rotates in the opposite direction on the contact surface is provided substantially directly above the horizontal-axis feeding roll, and the contact surface is the same between the seed supply section and the second rotary leveling brush. A seeding device for a seedling raising box seeding plant is provided, which is provided with a first rotating leveling brush that rotates in a direction, the seed is pushed by the first rotating leveling brush, and the leveling work is performed by the second rotating leveling brush. ing.

(Problems to be Solved by the Invention) The above-mentioned known one is provided with a second rotary leveling brush which rotates in a contact surface in an opposite direction at a position substantially directly above a horizontal-axis feeding roll. The first rotary leveling brush provided between the two rotary leveling brushes rotates in the same direction on the contact surface, which causes a problem in leveling work.

(Means for Solving the Problems) Therefore, according to the present invention, the seed supply unit 38 is provided at a lateral position slightly above the horizontal position on the rotation rising side of the horizontal shaft feeding roll 8 in which a large number of feeding recesses 9 are formed on the outer peripheral surface. And a second counter-rotating surface on the contact surface at a position substantially directly above the horizontal-axis feeding roll 8.
A rotating leveling brush 19 is provided, and the seed supplying section 38 and the second
A first rotary leveling brush 18 is provided between the rotary leveling brush 19 and the rotary leveling brush 19 so as to rotate in the opposite direction.
Is a rough seedling operation, and the second rotary leveling brush 19 is a seeding device for a high-speed seedling box seeding plant, which is capable of performing a precise leveling operation.

(Embodiment) Explaining one embodiment of the present invention with reference to the drawings, 1 is a seed padding hopper, and an inverted octagonal grain plate 2 or 3 is provided in the lower part of the seed padding hopper 1 to form a funnel 4. Reference numeral 5 is a supply port provided in the lower portion of the funnel 4, and 6 is a supply amount adjusting plate of a supply amount adjusting device 7 attached to the seed paddy hopper 1.

One of the grain plates 2 is made short and the other grain plate 3 is made long so that the lower end of the grain plate 3 is brought close to the outer peripheral surface of the horizontal axis feeding roll 8.

The horizontal axis feeding roll 8 is provided below the short grain plate 2. On the outer circumferential surface of the horizontal axis feeding roll 8, horizontal groove-shaped feeding concave portions 9 parallel to the generatrix direction are formed at the entire circumference at desired intervals. In this embodiment, approximately 90 feeding recesses 9 are formed. The feeding recessed portion 9 is formed to have a width such that the seed paddy 10 fits in one row in the lateral direction.

Then, the feeding recess 9 is rotated forward when viewed from the side.
11 has a corner portion cut out to form an inclined surface 12, and the reverse rotation side 13 is formed on a standing wall 15 having a corner portion 14. The inclined surface
12 is formed on an inclined surface that becomes lower from the rotation forward side 11 to the rotation reverse side 13. In this embodiment, it is inclined horizontally, but it may be inclined in an arc shape.

Then, the horizontal axis feeding roll 8 is formed into a large diameter roll of 220 mm or more, and the outer peripheral surface is formed into an arc surface as close as possible to a planar shape, so that the seed paddy 10 is surely placed in the feeding concave portion 9. Make sure they fit together.

Further, slits 16 are provided on the outer peripheral surface of the horizontal axis feeding roll 8 at desired intervals in the left-right direction over the entire circumference. Slit 16
Is formed to be the same as or slightly deeper than the feeding concave portion 9, and a knife 17 is fitted into each slit 16.

Then, a second rotary leveling brush 19 is provided at a position substantially above the horizontal axis feeding roll 8, and between the second rotary leveling brush 19 and the seed supply section 38 formed below the supply port 5. A first rotary leveling brush 18 is provided to level the excessive seed paddy 10 co-rotating with the horizontal axis feeding roll 8 in two stages.

That is, the first rotary leveling brush 18 and the second rotary leveling brush 19 both rotate in the opposite direction of the horizontal axis feeding roll 8 on the contact surface of the horizontal axis feeding roll 8 and co-rotate with the horizontal axis feeding roll 8. The excessive seed paddy 10 is swept back to the seed supply section 38 side to be leveled, and the second rotary leveling brush 19 also takes out the seeded paddy 20 with awn.

The first rotary leveling brush 18 is formed to have a smaller diameter than the second rotary leveling brush 19, has a gap 22 between the lower surface of the grain plate 2 and the rotary shaft 21 of the seedling device. It is attached by pivoting to the side plate 23.

The gap 22 is formed in communication with the seed supply unit 38,
Seed rice 10 swept away by the second rotary leveling brush 19
Is designed to jump over the first rotary leveling brush 18 and return to the seed supply section 38.

A central shaft 24 of the second rotary leveling brush 19 is pivotally mounted on an arm 35, and a base of the arm 35 is pivotally mounted on a lateral shaft 36 pivotally mounted on the side plate 23. A height adjusting device 25 for adjusting the height of the second rotary leveling brush 19 is provided at the tip of the arm 35.

Reference numeral 26 is a paddy box of the seed rice 20 with awns taken out from the rotation advancing side 11.

A seed paddy guide cover 27 is provided on the side surface of the horizontal axis feeding roll 8. The seed padding guide cover 27 is fitted with the feeding recessed portion 9 to the seed paddy 10
Is exerted so as not to damage it from the upper position to the lower position, and the sponge 28 provided inside is brought into contact with the outer peripheral surface of the horizontal shaft feeding roll 8.

29 is the horizontal axis feeding roll 8, the first rotary leveling brush 18,
A motor for driving the second rotary leveling brush 19, 30 is an adjusting knob for adjusting the rotation of the motor 29, and 31 is the grain plate 3
This is a scraper provided below the lower end of the seedling, and the leading end of the scraper is brought close to the outer peripheral surface of the horizontal axis feeding roll 8 to prevent the seed rice 10 from falling. 32 is a transfer roll for transferring the seedling raising box 33
The horizontal transfer table 37 has a partition plate provided on both the left and right sides of the horizontal axis feeding roll 8.

In addition, a paddy guide that moves up and down by a parallel link may be provided below the horizontal axis feeding roll 8. In this case,
Vertical strips can be sown in nursery boxes.

(Operation) Next, the operation will be described.

The seeds 10 are put into the seed paddy hopper 1, and the feed amount adjusting plates 6 at the lower ends of the grain plates 2 and the grain plates 3 are adjusted to desired positions,
When the horizontal axis feeding roll 8, the first rotary leveling brush 18, and the second rotary leveling brush 1 were rotated, respectively, and the seedling raising box 33 was transferred by the horizontal transfer stand 32, the funnel 4 flowed down on the grain plate 3. The seed paddy 10 fits into the feeding recessed portion 9.

In this case, the feeding recessed portion 9 is the rotation forward side when viewed from the side.
11, the corner is cut away to form an inclined surface 12, and the rotation reverse side 13 is formed on the standing wall 15 having the corner 14,
The seed rice 10 is fitted so as to smoothly slide into the feeding recess 9 by the inclined surface 12 of the feeding recess 9 that is raised by the rotation of the horizontal axis feeding roll 8, and the standing wall 15 is brought into contact with the seed pad 10 so that the seed pad 10 is fixed. To raise.

Then, a second rotary leveling brush 19 is provided above the horizontal axis feeding roll 8, and a first rotary leveling brush 19 is provided between the second rotary leveling brush 19 and the seed supply section 38 below the supply port 5. Flat brush
18, the first rotary leveling brush 18 and the second rotary leveling brush 19 both rotate in the opposite direction to the horizontal axis feeding roll 8 at the contact surface of the horizontal axis feeding roll 8, Most of the excess seed paddy 10 co-rotating with the feeding roll 8 is swept back by the first rotary leveling brush 18, and the excess seed paddle 10 which has passed through the lower portion of the first rotary leveling brush 18 and is not fitted in the recessed seed pad 9 is passed.
Is surely leveled and swept back by the second rotary leveling brush 19.

Then, the first rotary leveling brush 18 is attached with a gap 22 communicating with the seed supply section 38 between the first rotary leveling brush 18 and the lower surface of the shedding board 2, so that the second rotary leveling brush 18 is installed. Flat brush
Excess paddy 10 swept back by 19 passes through the gap 22 to the first
Since it jumps over the rotary leveling brush 18 and returns to the seed supply unit 38, the excess seed paddy 10 between the first rotary leveling brush 18 and the second rotary leveling brush 19 is reduced so as not to be stored more than necessary. The second rotation leveling brush 19 leveles the surface and surely fits it into the feeding recess 9.

The awned seed paddy 20 is hooked at the tip of the second rotary leveling brush 19 and ascended, and is taken out to the paddy box 26.

Then, the seed paddy 10 fitted in the feeding recess 9 passes under the second rotary leveling brush 19, is guided to the bottom without spilling by the sponge 28 of the seed padding guide cover 27, and falls downward at the lowest point. And seeded in the nursery box 33.

In the above case, since the horizontal axis feeding roll 8 is formed as a large-diameter roller of 220 mm or more, the outer peripheral surface of the horizontal axis feeding roll 8 is formed as an arc surface as close to a planar shape as possible. Therefore, even if the horizontal axis feeding roll 8 is rotated at a high speed, the seed rice 10 can be reliably fitted into the feeding recessed portion 9, and a large amount of seedling boxes 33 can be seeded per unit time without lowering the seeding accuracy. .

(Effect) According to the present invention, the seed feeding portion 38 is formed at a lateral position slightly above the lateral position on the rotation rising side of the horizontal shaft feeding roll 8 having the large number of feeding concave portions 9 formed on the outer peripheral surface thereof, and the horizontal shaft feeding A second rotary leveling brush 19 that rotates counterclockwise on the contact surface is provided substantially directly above the roll 8, and a first counterrotating brush 19 that rotates counterclockwise on the contact surface is provided between the seed supply unit 38 and the second rotary leveling brush 19. A high-speed seedling raising plant seeding plant is provided with a rotary leveling brush 18, the first rotary leveling brush 18 performs rough leveling work, and the second rotary leveling brush 19 performs precise leveling work. Since it is a device, the second rotary leveling brush 19 provided substantially directly above the horizontal axis feeding roll 8 is also the first rotary leveling brush provided between the seed supply unit 38 and the second rotary leveling brush 19. The brushes 18 also rotate in opposite directions on the contact surfaces, so that the leveling is performed in two steps, so that , The first rotating Hitoshitaira brush 18 forms a rough Hitoshitaira work, the second rotating Hitoshitaira brush 19 it is so arranged that a precise Hitoshitaira work, working exhibits the a smooth effect.

[Brief description of drawings]

FIG. 1 is an overall cross-sectional view of an essential part, FIG. 2 is a vertical sectional front view of a feeding roll, and FIG. 3 is an enlarged cross-sectional view of the same. Explanation of symbols 1 ... Seed paddy hopper, 2 ... Grain board, 3 ... Grain board, 4 ... Funnel, 5 ... Supply port, 6 ... Adjusting plate, 7 ...
Supply amount adjusting device, 8 ... Horizontal axis feeding roll, 9 ... Feeding concave portion, 10 ... Seed paddy, 11 ... Rotation forward side, 12 ... Inclined surface, 13
...... Rotation reverse side, 14 …… Corner, 15 …… Standing wall, 16 …… Slit, 17 …… Knife, 18 …… First rotation leveling brush, 19
…… Second rotating leveling brush, 20 …… Shad seed, 21 …… Rotary shaft, 22 …… Gap, 23 …… Side plate, 24 …… Center shaft, 25 …… Height adjusting device, 26 …… Rice Inbox, 27 …… Seed paddling cover, 28
...... Sponge, 29 …… Motor, 30 …… Adjustment knob, 31
...... Scraper, 32 …… Horizontal transfer stand, 33 …… Nursing box,
34 …… Transfer roll, 35 …… Arm, 36 …… Horizontal axis, 37 ……
Partition plate, 38 ... Seed supply section.

Claims (1)

(57) [Claims] 1. A seed feeding section 38 is formed at a lateral position slightly above the lateral position on the rising side of rotation of a horizontal shaft feeding roll 8 having a large number of feeding recesses 9 formed on the outer peripheral surface thereof. A second rotary leveling brush 19 which rotates counterclockwise on the contact surface is provided substantially directly above the first rotary leveling brush, and a first rotary leveling brush which rotates counterclockwise on the contact surface between the seed supply section 38 and the second rotary leveling brush 19. A seeding device for a high-speed nursery box seeding plant, in which a flat brush 18 is provided, the first rotary leveling brush 18 performs rough leveling work, and the second rotary leveling brush 19 performs precise leveling work.