JPH07135805A - Sowing apparatus - Google Patents

Abstract

PURPOSE:To provide the subject apparatus capable of easily checking and exchanging seed derivatives and maintaining a roller by specifically constructing the apparatus and subjecting seed derivatives in a seed feeding device to be removable and a horizontal shaft feed roller to be widely exposed. CONSTITUTION:At first, a seed feeding device 2 is constructed in a way that seeds fed from a seed feed hopper 4 are fitted on a seed fitting concave of a feed roller 9 having a horizontal shaft, and after passing through a rotation equalizing brush 14 by rotating together with the roller 9, the seeds are led to a seed falling area by a seed leading unit 17. Further, A fitting gutter 25 formed on one of a seed guiding unit 17 or a side board 22 of the apparatus 2 is fitted to a fitting projection 24 formed on the other side and, at the same time, they are fixed with bolts 28 to removably attach the seed guiding unit 17 to the apparatus 2. By this way the seed guiding unit can easily be removed by removing the bolts in the case of a maintenance and further the seed guiding unit is made to be simply attachable.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seeding device.

[0002]

2. Description of the Related Art In the publicly known Japanese Patent Laid-Open No. 3-80006, there is provided a horizontal axis feeding roll having a seed fitting recess formed on the outer peripheral surface above a transfer table for transferring a seedling raising box. , A seed supply hopper provided above the payout roll, a rotary leveling brush provided above the payout roll, and a seed fitting recess provided at a rotation lower side side position of the payout roll. A configuration is provided in which a seed feeding device having a seed derivative that guides the seeds that have passed under the rotary leveling brush together to the seed dropping portion under the feeding roll is provided.

[0003]

In the above-mentioned known example, since the seed derivative is directly attached to the side plate serving as the frame of the seed feeding device and the attachment / detachment is not taken into consideration, there is a problem that maintenance of the feeding roll is not easy. .

[0004]

It is an object of the present invention to facilitate maintenance.

[0005]

According to the present invention, therefore, the horizontal axis feeding roll 9 is provided with a seed fitting recess 12 for fitting seeds on the outer peripheral surface, above the transfer table 1 for transferring the seedling raising box.
A seed supply hopper 4 provided above the feeding roll 9, a rotary leveling brush 14 provided above the feeding roll 9, and a rotation lower side side position of the feeding roll 9. The seed that has fitted into the seed fitting recess 12 and has passed below the rotary leveling brush 14 is the feeding roll 9
Seed derivative 17 guided to the seed drop part 36 below
In the one in which the seed feeding device 2 having the above is provided, the engaging groove 25 is formed in either one of the seed derivative 17 and the side plate 22 side of the seed feeding device 2, and the engaging groove is formed in the other one. 25 is formed, and the engaging projection 24 is engaged with the engaging groove 25 to form the engaging projection 24.
8, a seeding device 17 in which the seed derivative 17 is detachably fixed, and a supporting plate member 26 in which one of the engaging protrusion 24 and the engaging groove 25 is attached to the side plate 22.
And the other one is formed on the attachment plate portion 21 of the seed derivative 17, and the support plate member 26 and the attachment plate portion 21 are provided with attachment holes 29 and 33, respectively, and a seedling raising. A horizontal axis feeding roll 9 having a seed fitting recessed portion 12 for fitting seeds on the outer peripheral surface, and a seed supply hopper 4 provided at a position above the feeding roll 9 above the transfer table 1 for transferring the box. The rotation leveling brush 14 provided at a position above the delivery roll 9 and the rotation leveling brush 14 fitted at the rotation lower side side position of the delivery roll 9 and fitted in the seed fitting recess 12 A seed feeding device 2 having a seed derivative 17 that guides the seeds that have passed therebelow to the seed dropping part 36 below the feeding roll 9, wherein a fixed wall is provided on the side on which the seed derivative 17 is provided. Putting on and taking off without providing Attaching the cover 31 of the standing and removing the cover 31, in which the rotary Hitoshitaira brush 14 and the seed derivatives 17 is configured to seeding device such that the exposed state.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings.
Is a horizontal transfer table, which is provided with a transfer roller that is long in the transfer direction and moves the nursery boxes at predetermined intervals.
A seed feeding device 2 is provided above the horizontal transfer table 1. As shown in FIG. 2, the seed feeding device 2 is provided with a seed supply hopper 4 on the upper front side thereof, and the lower part of the seed supply hopper 4 is formed into inverted grain plates 5 and 6 which are The supply port 7 is formed by 5 and 6. The tip of the grain board 6 is extended from the supply port 7, and the sliding contact body 8 is attached to the lower surface of the tip. The tip of the sliding contact body 8 is brought into contact with the upper outer peripheral surface of the rotation raising side 10 of the horizontal axis feeding roll 9 for horizontal axis rotation, and the seeds are retained between the sliding contact body 8 and the outer peripheral surface of the horizontal axis feeding roll 9. The seed supply part 11 is formed.

The horizontal axis feeding roll 9 is formed to have a larger diameter (for example, a diameter of 200 mm to 300 mm) than a normal feeding roll, and its outer peripheral surface has a lateral groove-shaped seed fitting parallel to the generatrix direction of the roll 9. The mating recesses 12 are formed on the entire circumference at a predetermined interval (FIG. 3). The seed fitting recess 12 is formed to have a vertical width in which the seeds fit laterally in one row, and is formed to a depth in which a single seed fits. Further, a plurality of slits 13 intersecting the generatrix direction are formed on the outer peripheral surface of the horizontal axis feeding roll 9 at predetermined intervals in the axial direction. Returning to FIG. 2, a first rotary leveling brush 14 is provided above the horizontal axis feeding roll 9,
Between the first rotary leveling brush 14 and the seed supply unit 11, the second
A rotary leveling brush 15 is provided, and the first rotary leveling brush 14 and the second rotary leveling brush 15 sweep back excess seeds that do not fit in the seed fitting recess 12 to the seed supply unit 11 side. . The second rotary leveling brush 15 has a small diameter,
A gap is formed between the second rotary leveling brush 15 and the lower surface of the grain plate 6, and the seed is returned to the seed supply unit 11 even if the gap passes through the gap. In addition, the first rotary leveling brush 14 is also expected to have an action of removing seed rice with awns.

A seed derivative 17 is provided on the side surface of the rotation lowering side 16 of the horizontal axis feeding roll 9 to guide the seed fitted in the seed fitting recess 12 to a position below the horizontal axis feeding roll 9. In the seed derivative 17, an elastic member 19 such as a sponge is fixed to the inner surface of an arc-shaped metal plate 18, a thin synthetic resin sealing member 20 is adhered to the surface of the elastic member 19, and the sealing member 20 is fed out along the horizontal axis. It is brought into sliding contact with the outer peripheral surface of the roll 9. A pair of mounting plate portions 21 protruding rearward is formed on the rear side portion of the metal plate 18, and the mounting plate portions 21 are detachably attached to the side plates 22 of the seed feeding device 2.

Since the seed derivative 17 surrounds the side portion of the horizontal axis feeding roll 9 from the lower side of the first rotary leveling brush 14 to the seed drop section 23 below the horizontal axis feeding roll 9, When the derivative 17 is removed, maintenance of the horizontal axis feeding roll 9 is facilitated, and the seal member 20 and the elastic member 19 of the seed derivative 17 are consumable items, and maintenance for inspection and replacement thereof is facilitated. Therefore, an engaging projection 24 is formed on the mounting plate portion 21, and an engaging groove 25 with which the engaging projection 24 is engaged is formed on the side plate 22 side so that it can be easily attached and detached. Reference numeral 26 is a support plate member in which the engaging groove 25 is formed, and a mounting through hole 27 for mounting to the side plate 22 is formed at an upper and lower position, and a seed derivative 17 is provided at an intermediate portion.
A mounting hole 29 for a bolt 28 for fixing the mounting hole 29 is formed, and a collar 30 is mounted on the outer surface of the mounting through hole 27 and the mounting hole 29 so that a predetermined gap can be formed between the mounting plate 29 and the side plate 22. Further, the mounting hole 38 formed in the side plate 22 is a long hole so that the support plate member 26 can be attached to the horizontal axis feeding roll 9 while being moved far away. 33 is a seed derivative 17
A mounting hole for the bolt 28 formed in the mounting plate portion 21 of
39 is a bolt.

On the rear side of the seed derivative 17, a space 36 is provided without providing a fixing wall, and a cover 31 for closing the space 36 is detachably provided. The cover 31 is formed of a transparent member so that the inside can be inspected. Reference numeral 32 is an engagement rod for engaging the cover 31. In the figure, 35 is a scraping knife fitted in each slit 13,
The seeds that do not fall from the seed fitting recess 12 even when they reach the seed drop portion 23 are forcibly dropped. The base of the scraping knife 35 is on the rotation rising side 10 of the horizontal axis feeding roll 9.
However, the tip of the scraping knife 35 is brought as close as possible to the lower end of the seed derivative 17 so that the seed falls at the seed dropping part 23. Reference numeral 37 is a receiving box for seed rice with awns. In the case of sowing and row sowing on a pot sheet, a drop guide guide may be provided below the seed drop section 23 of the horizontal axis feeding roll 9 in which a plurality of divided drop openings are arranged side by side in the left-right direction.

[0011]

[Operation] Next, the operation will be described. When the seeds are put into the seed supply hopper 4, the seeds in the seed supply hopper 4 are fed into the supply port 7
Then, it flows down on the grain board 5 and reaches the seed supply unit 11. Since the seed fitting recesses 12 are formed at predetermined intervals in the generatrix direction of the outer peripheral surface of the horizontal axis feeding roll 9, the seed feeding unit 1
The seed No. 1 fits in the various child fitting recesses 12 and co-rotates with the horizontal shaft feeding roll 9, and the extra seeds that do not fit in the seed fitting recess 12 also co-rotate, but above the horizontal shaft feeding roll 9. The second rotary leveling brush 15 and the first rotary leveling brush 14 provided are swept back.

Then, the seed fitted in the seed fitting recess 12 passes under the first rotary leveling brush 14, and the passed seed is guided by the seed derivative 17 brought into contact with the horizontal axis feeding roll 9. The seeds that fall from the seed drop section 23 and are sown in a seedling raising box and do not fall from the seed fitting recess 12 even when reaching the seed drop section 23 are forcibly forced by the scraping knife 35 fitted in the slits 13. Drop and sow. Further, the seed rice with awns adheres to the first rotary leveling brush 14 and co-rotates, and is received by 37 and removed.

In this case, when the work is carried out for a long time, dust adheres to the seed fitting concave portion 12 of the horizontal axis feeding roll 9 or the seal member 20 is worn to increase the contact resistance, and the elastic member 1
9 loses elasticity and generates a gap between the outer peripheral surface of the horizontal axis feeding roll 9, but an engagement groove 25 is formed in either one of the seed derivative 17 and the seed feeding device 2, and the other is engaged with the other. Since the protrusion 24 is formed and the seed derivative 17 is fixed to the side plate 22 of the seed feeding device 2 by the bolt 28, the seed derivative 17 can be easily removed by removing the bolt 28.

That is, since the seed derivative 17 surrounds the side portion of the horizontal axis feeding roll 9 from the lower part of the first rotary leveling brush 14 to the seed dropping part 23 below the horizontal axis feeding roll 9, the seed derivative 17 is surrounded. When 17 is removed, the horizontal axis feeding roll 9 is largely exposed, so that the horizontal axis feeding roll 9 can be easily maintained, and the inspection and replacement of the seed derivative 17 can be easily performed.

The mounting structure of the seed derivative 17 is as follows.
The mounting plate portion 2 protruding rearward on the rear side portion of the metal plate 18.
1, the engaging projection 24 is formed on the mounting plate portion 21, while the engaging groove 25 is formed on the supporting plate member 26 mounted on the side plate 22, and the engaging projection 25 is formed on the engaging groove 25 of the supporting plate member 26. 24 is engaged and the seed derivative 17 is fixed to the support plate member 26, the support plate member 26 is preliminarily moved toward and away from the horizontal axis feeding roll 9 and attached by the bolt 39, and the engagement protrusion 24 moves up and down. Since the seed derivative 17 is positioned with respect to the support plate member 26 by engaging with the two engaging grooves 25, once the support plate member 26 is attached, the support plate member 2
No matter how many times the seed derivative 17 is removed from 6, it can be correctly attached.

Further, the seed guide 17 can be temporarily fixed to the side plate 22 by engaging the engaging projection 24 with the engaging groove 25, and in this state, the mounting hole 33 of the mounting plate portion 21 of the seed guide 17 is provided.
And the mounting hole 29 of the support plate member 26 are aligned with each other, and the bolt 28 is inserted into the mounting hole 29, the mounting work is completed, which facilitates the mounting work.

However, since a fixed wall for closing the horizontal axis feeding roll 9 is not provided, when the cover 31 is removed,
The seed derivative 17 can be removed, and the seed derivative 17 can be removed.
And maintenance of the horizontal axis feeding roll 9 can be performed. When the cover 31 is removed, the first rotary leveling brush 14 and the receiving box 37 are exposed. Therefore, the receiving box 37 is removed to remove seed rice with awns, and the first rotary leveling brush 1
4. Perform maintenance of 4.

[0018]

[Advantageous Effects] The present invention provides a horizontal axis feeding roll 9 having a seed fitting concave portion 12 for fitting seeds on the outer peripheral surface at a position above a transfer table 1 for transferring a nursery box, and a position above the feeding roll 9. The seed supply hopper 4 provided in the above, the rotation leveling brush 14 provided above the feeding roll 9, and the feeding roll 9
The seed fitting recess 12 is provided at the rotation descent side side position.
The seed feeding device 2 having a seed derivative 17 that guides the seeds that have been fitted under and passed under the rotary leveling brush 14 to the seed dropping part 36 under the feeding roll 9. An engaging groove 25 is formed on one of the seed derivative 17 and the side plate 22 side of the seed feeding device 2, and an engaging protrusion 24 that engages with the engaging groove 25 is formed on the other side. The engagement protrusion 24 is provided in the engagement groove 25.
Since the seeding device 17 is detachably fixed by the bolts 28 by engaging with, the horizontal axis feeding roll 9 can be largely exposed when the seed derivative 17 is removed. Maintenance of the seed derivative 17 is facilitated, and maintenance of inspection and replacement of the seed derivative 17 is facilitated. Further, in the present invention, in the device, one of the engaging projection 24 and the engaging groove 25 is formed on a support plate member 26 attached to the side plate 22, and the other is formed of the seed derivative 17. Since the seeding device is formed in the mounting plate portion 21 and mounting holes 29 and 33 are formed in the supporting plate member 26 and the mounting plate portion 21, respectively, the supporting plate member 26 is used as the horizontal axis feeding roll 9. When the support plate member 26 is once attached to the support plate member 26, the seed derivative 17 can be accurately attached no matter how many times the seed derivative 17 is removed from the support plate member 26, so that normal sowing work is not adversely affected. The mounting structure of the seed derivative 17 can be simplified, and implementation is easy. Further, the present invention provides a horizontal axis feeding roll 9 having a seed fitting concave portion 12 for fitting seeds on the outer peripheral surface at a position above the transfer table 1 for transferring the nursery box, and a position above the feeding roll 9. Provided seed supply hopper 4
And a rotation leveling brush 14 provided above the delivery roll 9 and a rotation leveling brush 14 which is provided at a rotation lower side side position of the delivery roll 9 and which is fitted into the seed fitting recess 12. A seed delivery device 2 having a seed derivative 17 for guiding the seeds that have passed below the seed roll to the seed drop portion 36 below the delivery roll 9, wherein a fixed wall is provided on the side where the seed derivative 17 is provided. Without the provision of the cover 31, the detachable cover 31 is attached, and when the cover 31 is removed, the seeding device is configured so that the rotary leveling brush 14 and the seed derivative 17 are exposed.
Remove 1 to remove seed derivative 17, seed derivative 1
7, maintenance work of the horizontal axis feeding roll 9 and maintenance work of the rotary leveling brush 14 can be simplified.

[Brief description of drawings]

FIG. 1 is a perspective view.

FIG. 2 is a side view.

FIG. 3 is a cross-sectional view of a state where a seed derivative is in contact with a horizontal axis feeding roll.

FIG. 4 is a vertical sectional side view of a seed derivative.

FIG. 5 is a side view of the support plate member.

FIG. 6 is a sectional view of the same.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Horizontal transfer stand, 2 ... Seed feeding device, 4 ... Seed supply hopper, 5, 6 ... Grain board, 7 ... Supply port, 8 ... Sliding contact body, 9 ...
Horizontal axis feeding roll, 10 ... Rotation rising side, 11 ... Seed supply section, 12 ... Seed fitting concave section, 13 ... Slit, 14 ... First
Rotation leveling brush, 15 ... 2nd rotation leveling brush, 17 ... Seed derivative, 18 ... Metal plate, 19 ... Elastic member, 20 ... Sealing member, 21 ... Mounting plate part, 22 ... Side plate, 23 ... Seed dropping part, 24 ... Engaging projections, 25 ... Engaging grooves, 26 ... Support plate members, 27 ... Mounting holes, 28 ... Bolts, 29 ... Mounting holes,
30 ... Collar, 31 ... Cover, 32 ... Engaging rod, 33 ... Mounting hole, 35 ... Scraping knife, 36 ... Space part, 37 ... Receiving box.

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[Procedure amendment]

[Submission date] January 13, 1994

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Correction target item name] All drawings

[Correction method] Change

[Correction content]

[Figure 6]

[Figure 1]

[Fig. 2]

[Figure 3]

[Figure 4]

[Figure 5]

Claims (3)

[Claims] 1. A horizontal axis feeding roll 9 having a seed fitting concave portion 12 for fitting seeds on the outer peripheral surface, and a position provided above the feeding roll 9 above a transfer table 1 for transferring a seedling raising box. The seed supply hopper 4, the rotating leveling brush 14 provided above the feeding roll 9, and the rotation lowering side portion of the feeding roll 9 fitted to the seed fitting recess 12 and fitted to the seed fitting recess 12. A seed feeding device 2 having a seed derivative 17 that guides seeds that have passed below the rotary leveling brush 14 to the seed drop section 36 below the feeding roll 9, wherein the seed derivative 17 and the seed are provided. An engaging groove 25 is formed on one of the side plates 22 of the feeding device 2, and an engaging protrusion 24 that engages with the engaging groove 25 is formed on the other side of the engaging device 25. The engagement protrusion 24 is engaged with the bolt 28. A seeding device in which the seed derivative 17 is detachably fixed by means of. 2. The method according to claim 1, wherein one of the engagement protrusion 24 and the engagement groove 25 is formed on a support plate member 26 attached to the side plate 22, and the other one is formed of the seed derivative 17. It is formed in the mounting plate portion 21, and the mounting hole 2 is formed in each of the support plate member 26 and the mounting plate portion 21.
Seeding device formed 9,33. 3. A horizontal axis feeding roll 9 having a seed fitting concave portion 12 for fitting seeds on the outer peripheral surface at a position above a transfer table 1 for transferring a seedling raising box, and a position above the feeding roll 9. The seed supply hopper 4, the rotating leveling brush 14 provided above the feeding roll 9, and the rotation lowering side portion of the feeding roll 9 fitted to the seed fitting recess 12 and fitted to the seed fitting recess 12. A seed feeding device 2 having a seed derivative 17 that guides the seeds that have passed below the rotary leveling brush 14 to the seed drop section 36 below the feeding roll 9 is provided with the seed derivative 17. A seeding device configured such that the detachable cover 31 is attached without providing a fixed wall on the side, and the rotary leveling brush 14 and the seed derivative 17 are exposed when the cover 31 is removed.