JP2001320925A - Application device for granule applicator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the device having such a scheme that, in a for ked application tube, the branching flow of the granules is regulated in each tubes. SOLUTION: This device has such a construction that the branching point of an application tube 4 composed of a feed tube 2 through which granules fed from a feeder 1 are allowed to flow down and branched tubes 3 through which granules thus allowed to flow down are further allowed to flow down to left and right application positions is equipped with a control valve 5 for regulating the granule flow branching ratio for the respective branched tubes 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an apparatus for applying a granular fertilizer. Examples of the granular applicator used in the present invention include a sowing machine that handles granular seeds, a fertilizer that handles granular fertilizer, and a chemical applicator that handles granular medicine.

[0002]

2. Description of the Related Art Japanese Patent Application Laid-Open No. 9-289811 discloses a technique in which a distribution valve for distributing and transferring granules to a bifurcated transfer pipe is known.

[0003]

In a granule applying machine, a branch valve is provided in a bifurcated branch pipe, and in many cases, an attempt to branch the granules equally into right and left is not performed accurately. Depending on the characteristics of the branch pipe portion, the installation form, and the condition of the hose and the like from the left and right branch pipes to the application section, the ratio of the branch amount of the granular material may change.

[0004]

According to the present invention, a feeding device 1 is provided.
A branch portion of an application pipe 4 having a delivery pipe portion 2 for flowing down the granules fed from the tube and a branch pipe portion 3 for branching and flowing down the granules flowing down the delivery pipe portion 2 to left and right application positions, The configuration of the application device of the granule application machine provided with the control valve 5 for adjusting the flow branch ratio to each branch pipe portion 3 is provided.

[0005]

In the application of the granules of the application device, the granules fed by the feeding device 1 flow down the feeding pipe portion 3 of the application pipe 4, and the flow rate adjusted by the control valve 5 at the branch portion. Branching is performed according to the branching ratio. The granules branched by the control valve 5 flow down the branch pipe portion 3 and are applied to the left and right application positions.

In order to equalize the amount of application at these left and right application positions, the operator operates the control valve 5 while observing the application status.
Adjustment is performed so that the flow-down amounts in the left and right branch pipe sections 3 are equal. When it is desired to change the ratio of the application rate to the left and right application positions, the control valve 5 is operated to operate the left and right branch pipe sections 3.
Is changed so as to meet the target.

As described above, the control valve 5 is provided at the branch portion of the application pipe 4 to adjust the branch ratio of the amount of the particles flowing down to the left and right branch pipe portions 3. In addition, the granular material application rate at each application position can be adjusted according to the branch characteristics, the working state of the application machine, and the like, and the operation can be performed accurately and easily.

When a large number of such application pipes 4 are arranged and used in a multi-row application form, the operation of the control valve 5 and the adjustment of the feed amount by the feed device 1 are used in combination with each branch pipe section. 3
Can be applied uniformly or at a predetermined application ratio.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention can be used for a sowing machine for sowing seeds as granules, a fertilizer for applying fertilizer, and a chemical applicator for applying chemicals. A case where the present invention is used for a sowing device of a direct sowing machine will be exemplified.

That is, a branch portion of an application pipe having a delivery pipe portion for flowing down seeds fed from a feeding device and a branch pipe portion for branching and flowing down seeds flowing down the delivery pipe portion to right and left sowing positions. It is used as a configuration of a sowing apparatus of a sowing machine provided with a control valve for adjusting a flow branching ratio to each branch pipe portion.

[0011]

First Embodiment A first embodiment will be described with reference to FIGS. The direct sowing machine has a front wheel 7 steered by a steering wheel 6 disposed at a front portion of a vehicle body 8, a rear wheel 10 disposed at a rear portion, and can be driven by an engine mounted below a cockpit 9 in a four-wheel drive mode. And A pair of upper and lower parallel lift links 11 is provided at the rear of the vehicle body 8 so as to be able to move up and down by a hydraulically expandable and contractible lift cylinder 12. ing.

The seeding device 14 includes a feeding device 1 mounted on an upper frame 15, a groove cutter 18 mounted on a lower frame 16, and a connection between the feeding device 1 and the groove cutter 18. It is composed of a tube 4 and the like. Reference numeral 19 denotes a fertilizer device mounted on the rear portion of the vehicle body 8, which fertilizes the soil leveled by the float 17 through a fertilizer tube 20. Reference numeral 21 denotes a strip marker, which is attached to the side of the seeding device 14.

A plurality of feeding devices 1 for feeding the seeds are arranged on the left and right. Feeding shaft 22 that is rotated and linked
The seeds (paddy seeds) stored in the upper seed hopper 24 are fed to the feeding chamber 25 by the rotation of the feeding rolls 23. Reference numeral 26 denotes a brush provided close to the peripheral surface of the feeding roll 23.

At one end of the feeding device 1, a blower 27 is provided.
Is provided, and a duct 28 for guiding the blast blown from the blower 27 is provided along the lower part of each delivery chamber 25. A hose 30 is connected to the tip of a nozzle 29 communicating with the duct 28, and the outlet 31 of the delivery chamber 25 is viewed over the nozzle 29. The discharged seeds flowing down from the container can be discharged and conveyed to the hose 30 side.

The bifurcated application pipe has a delivery pipe section 2 connected to the hose 30 and a flexible hose 3 connected to each branch pipe section 3.
2 is connected, and the lower end of the hose 32 is
Are communicated on the groove cutters 18 arranged on both right and left sides of the groove. When the seeds discharged from each nozzle 29 are guided by the delivery pipe section 2 of the application pipe 4 and reach the branch section, the seeds are branched right and left by the control valve 5 and diverted to each branch pipe section 3. The seeds flowing down the respective branch pipe sections 3 are sown via a hose 32 in a sowing groove formed by the grooving device 18.

The application pipe 4 is made of a metal or a hard synthetic resin, and is branched in an inverted Y shape. The application pipe 4 is arranged and attached along the lower frame 16. A control valve 5 is provided on a rotatable valve shaft 33 at a branch part of the branch pipe part 3 of the application pipe 4. The rotation can be adjusted over the left and right widths of the tube portion 2.

At one end of the valve shaft 33, an adjusting arm 34 having a wing bolt 35 at its tip is provided.
An arc-shaped long hole 37 for fitting and guiding the wing bolt 35 is formed in a bracket 36 integral with the wing bolt 35, and the control valve 5 can be adjusted by moving and adjusting the wing bolt 35 along the long hole 37. The adjustment position can be fixed by tightening the wing bolt 35 to the bracket 36. This bracket 3
6 may be provided with an adjustment scale along the elongated hole 37 to facilitate the adjustment operation.

In a normal sowing operation, each sowing strip is sowed in an equal amount, but at this time, each control valve 5 is positioned at a central portion and distributed to the right and left branch pipe portions 3 by a fifty-fifth. Amount. However, when the adjustment amount of the control valve 5 is different due to the inclined installation of the application pipe 4 or the state of discharge from the nozzle 29, the wing bolt 35 is operated to adjust the control valve 5 to the target branch ratio. Set along.

At this time, since the control valve 5 is provided for each of the application pipes 4, accurate adjustment can be performed by individual adjustment even in the case of multiple seeding.

[0020]

Second Embodiment A second embodiment will be described with reference to FIGS.
The points different from the above example will be described. An elastic branch body 39 is provided at a central branch section 38 of the branch pipe section 3. This elastic branch body 39
Is made of a sponge-like elastic body, the top is formed in a mountain-like shape along the shape of the branch body 38, and receives the granular material A flowing down from the feeding pipe part 2, and absorbs the impact to split the right and left branches. It can be diverted to the pipe section 3.

For this reason, even if the impact of the granular material A is received,
The granules themselves are not damaged and clogging of the granule branch flow can be prevented. FIG. 9 uses a coated rice seed for direct sowing as the granular material A. This rice seed is coated on its surface with a coating layer 40, but by the configuration of the elastic branch body 39 of the application pipe 4 as described above, The coating layer 40 is prevented from peeling off, and pulverized particles are less likely to adhere and deposit on the branch portion 38.

The seed B is located at the center of the coating layer 40, and the coating layer 40 forms a cultivation layer 41 made of fertilizer, soil, or the like on the outer periphery of the seed B. Is coated with 42 layers of paper strength resin such as recycled paper, and the outer periphery of the 42 layers of capsules is further coated with a drug layer 43 for preventing pests and insects.

In the seed having such a coating layer 40 formed thereon, the outer shape of the coating layer 40 can be made uniform regardless of the type, shape, size, etc. of the seed. For this reason, seeds of different shapes and sizes can be sowed using the same feeding device 1. In addition, since the coating layer 40 is formed with the paper-based capsule 42, it is difficult to be crushed.
3 is also sucked and held by the 42 layers of paper-like capsules and is hard to peel off, so that accurate and stable seeding can be performed. still,
The 42 layers of paper-based capsules corrode for a predetermined period after sowing, and thus do not adversely affect the growth of seedlings after germination. Further, since the paper capsule 42 is maintained for a predetermined period after sowing, it is possible to prevent the seeds from being adversely affected by pests in the field until germination immediately after sowing.

[Brief description of the drawings]

FIG. 1 is a rear view of a part of a sowing apparatus showing a first embodiment.

FIG. 2 is a side view thereof.

FIG. 3 is a rear view of the arrangement of the seeding device.

FIG. 4 is a side view thereof.

FIG. 5 is a side view of the feeding device.

FIG. 6 is a plan view of a seeding machine.

FIG. 7 is a side view thereof.

FIG. 8 is a rear view of a part of the seeding apparatus showing the second embodiment.

FIG. 9 is a sectional view of the coating seed part.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 feeding device 2 feeding pipe portion 3 branch pipe portion 4 application pipe 5 control valve

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2B052 BC05 BC08 BC14 EC09 2B054 AA05 BA01 BB01 CA04 DE02 DE07 2B060 AA01 BA04 BA09 BB09 2B121 CB09 CB24 CB31 CB45 CB53 EA26 FA11

Claims (1)

[Claims] 1. A delivery pipe section 2 for flowing down particles fed from a feeding device 1, and a branch pipe section 3 for branching and flowing down the particles flowing down the delivery pipe section 2 to left and right application positions. An application device for a granular applicator, comprising a control valve 5 for adjusting a flow branching ratio to each branch pipe portion 3 at a branch portion of the application pipe 4.