JPH1014345A - Fertilizer distributor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fertilizer distributor equipped with a shutter of fluid bag type on the downstream side in the fertilizer feed direction of its fertilizer feed path to obviate such a trouble as insufficient operation of the shutter, prevent the fertilizer feed path from clogging with mud and secure improved operability. SOLUTION: This fertilizer distributor comprises a fertilizer feeder mechanism, a fertilizer feed path A for guiding and feeding the fertilizer supplied to the fertilizer feeder mechanism to a dressing furrow formed on the field soil surface, a shutter B of fluid bag type which is fitted on the downstream side in the fertilizer feed direction of the fertilizer feed path A to control the fertilizer feed path A to open or close in response of start and stop of feed of the fertilizer. In addition, it is preferable to locate the shutter B on a furrow dresser formed for this fertilizer distributor.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fertilizer supply path for feeding and guiding a fertilizer fed from a fertilizer feeding mechanism to a fertilizing groove formed on a mud surface of a field, opening and closing the fertilizer supply path on the lower side in the fertilizer supply direction. The present invention relates to a fertilizer device equipped with a shutter.

[0002]

2. Description of the Related Art Conventionally, a shutter for opening and closing a fertilizer supply path of a fertilizer applicator opens a fertilizer supply path by swinging around a horizontal axis as disclosed in, for example, Japanese Utility Model Application Laid-Open No. 2-17016. The swinging open / close type was configured to be switchable between an open position and a closed position for closing the fertilizer supply path.

[0003]

However, in the above-mentioned prior art, for example, when mud or fertilizer in the field adheres to the shutter or the surrounding area, the shutter is opened and closed by the adhering mud or fertilizer. The inconvenience that the operation cannot be performed tends to occur.

An object of the present invention is to provide a shutter structure capable of eliminating a malfunction of a shutter caused by a mud or a fertilizer in a field adhered to the shutter or its surroundings.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, the fertilizer fed from the fertilizer feeding mechanism is supplied and guided to a fertilizing groove formed on a mud surface of a field. On the lower side of the fertilizer supply path in the fertilizer supply direction, a fluid bag type shutter that opens and closes the fertilizer supply path by supplying and discharging fluid is provided.

According to the first aspect of the present invention, when fluid is supplied to the fluid bag serving as a shutter for opening and closing the fertilizer supply path, the fluid bag expands and closes the fertilizer supply path. In addition, when the fluid is discharged from the fluid bag, the fluid bag contracts to open the fertilizer supply path. In other words, if the shutter is configured to swing open and close, the opening and closing operation is hindered by mud and fertilizer attached to the shutter and its surroundings,
According to the first aspect of the present invention, the shutter (fluid bag) can be opened and closed by the expansion / contraction operation of the fluid bag by making the shutter a fluid bag type. Even if dust or the like has adhered, muddy soil, fertilizer, and the like adhering to the shutter can be blown off by the inflation and contraction operations of the fluid bag that is the opening and closing operation of the shutter. In short, the opening and closing operation of the shutter is not hindered by mud or fertilizer adhering to the shutter. In addition, the inflation and deflation of the fluid bag, which is the opening and closing operation of the shutter, is not affected by mud or fertilizer adhering to the area around the shutter, so that mud or fertilizer adheres to the area around the shutter. Even if it is, the opening / closing operation of the shutter is not hindered by mud, fertilizer, and the like adhering to the periphery of the shutter.

[0007] Therefore, by using a fluid bag type shutter, it is possible to provide a shutter structure that can eliminate malfunction of the shutter caused by the adhesion of mud or fertilizer in a field to the shutter or the surrounding area. .

According to the second aspect of the present invention,
In the invention according to claim 1, the shutter is provided in a groove-forming device for forming the fertilization groove.

According to the second aspect of the present invention, since the fluid bag type shutter is provided in the groove forming device which enters the mud surface of the field to form a fertilizing groove, the groove forming device is used at the start of the fertilizing operation. When the water enters the mud surface of the field, the fluid bag serving as a shutter for opening and closing the fertilizer supply path is inflated by the supply of the fluid to close the inside of the channel generator (the fertilizer supply path formed by the channel generator). By doing so, it is possible to prevent the mud in the field from entering into the trencher when the trencher enters the field muddy surface. In other words, it is possible to prevent the inconvenience that the fertilizer supply path is blocked by the mud that has entered into the channel generator when the channel generator enters the field mud surface.

Accordingly, a shutter structure that can eliminate the malfunction of the shutter caused by the mud or fertilizer in the field adhering to the shutter and the surrounding area, and can prevent the fertilizer supply path from being blocked by the mud. Now available.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows the entire side surface of a seedling planting apparatus 2 on which a fertilizer application apparatus 1 is mounted. The seedling planting device 2 includes a feed case 3 that is transmitted from a traveling machine body (not shown), a support frame 4 extending from the feed case 3 to the left and right, and a planting extending from the support frame 4 to the rear. A transmission case 5, a pair of left and right rotary-type planting mechanisms 6 pivotally supported at the rear part of the planting transmission case 5, a seedling rest 7 which reciprocally moves laterally with a constant stroke with respect to the planting mechanism 6, and
It is composed of a leveling float 8 which performs a leveling operation in advance on a seedling planting position by the planting mechanism 6, and a traveling machine body (not shown) is provided with a work height position where the leveling float 8 is in contact with a field mud surface and a field mud. It is designed to be connected and mounted so as to be able to ascend and descend over a non-working height position separated from the surface.

The fertilizer applicator 1 includes a hopper 9 for storing fertilizer, a fertilizer feeding mechanism 10 for feeding the fertilizer stored in the hopper 9 by a predetermined amount, and a state in which the fertilizer fed by the fertilizer feeding mechanism 10 is supplied to a field. A funnel 11 that can be switched to a discharging state, a falling hose 12 that guides the fertilizer from the funnel 11 down to the field, and a fertilizing groove that enters the mud surface of the field to form a fertilization groove and is guided by the falling hose 12. The fertilizer is provided with a fertilizer 13 for supplying fertilizer to the fertilizer groove. That is, funnel 1
1. The fertilizer supply path A for guiding the supply of the fertilizer delivered from the fertilizer delivery mechanism 10 to the fertilizing groove formed on the muddy surface of the field is formed by the downflow hose 12, and the channel generator 13. The rotation of the planting mechanism 6 is transmitted to the fertilizer delivery mechanism 10 by the transmission mechanism 15 erected between the planting mechanism 6 of the seedling planting apparatus 2 and the drive shaft 14 of the fertilizer delivery mechanism 10. It is designed to be driven.

As shown in FIGS. 2 and 3, the fertilizer feeding mechanism 10 includes a feeding case 16 interposed between the hopper 9 and the funnel 11, a drive shaft 14 through which the feeding case 16 passes, and an inside of the feeding case 16. , And is constituted by a feeding roll 17 and the like which are fitted around the drive shaft 14 so as to be integrally rotatable. The feeding roll 17 is composed of a combination of three types of disk-shaped members 17A, 17B and 17C, and as shown in FIGS. 3A, 3B and 3C, the disk-shaped members 17A and 17B. , 17C by changing the combination of the fertilizer feeding recesses 1 formed at a predetermined pitch in the circumferential direction of the feeding roll 17.
7a can be changed, so that the fertilizer feeding mechanism 1
It is possible to adjust the amount of fertilizer payout by 0. The feeding case 16 includes disc-shaped bodies 17A, 17B,
The drive shaft 1 includes a case portion 16A that accommodates the housing 17C, and a side plate 16B that opens and closes one side of the case portion 16A.
By removing the transmission gear 15A of the transmission mechanism 15 attached to the end of the drive shaft 14 from the drive shaft 14, the case 16A
The side plate 16B can be easily attached and detached to and from the disk-shaped members 17A, 1A housed in the case portion 16A.
It is possible to easily adjust the amount of fertilizer fed out by changing the combination of 7B and 17C.

By the way, as shown in FIG.
If the opening width of the communicating portion 18 that communicates with the feeding case 16 is formed to be the size of two discs 17A, 17B, and 17C, two kinds of discs 17A and 17B are formed.
By changing the combination of the fertilizers, the same amount of fertilizer can be adjusted as described above.

As shown in FIG. 5, the fertilizer feeding mechanism 10 is made of an elastic material such as rubber which is externally fitted to the feeding case 16, the driving shaft 14, and the driving shaft 14 so as to be integrally rotatable inside the feeding case 16. The feeding roller 19 and a roller 20 that deforms the feeding roller 19 at the lower part of the feeding case 16, and the concave portion 1 of the feeding roller 19 is provided at the upper part of the feeding case 16.
The fertilizer introduced into the feeder case 9a is forcibly discharged at the lower part of the feeder case 16 by the deformation of the feeder roll 19 by the action of the roller 20, so that the recess 19
It may be possible to prevent the clogging of the fertilizer in a.

As shown in FIG. 6 and FIG. 7, an air channel, which opens and closes the fertilizer supply path A by supplying and discharging air, which is an example of a fluid, is provided in a groove generator 13 on the lower side of the fertilizer supply path A in the fertilizer supply direction. A fluid-back type shutter B composed of a bag 21 is provided. The opening and closing of the fertilizer supply path A by the shutter B, that is, the supply and discharge of air to and from the air bag 21, is performed by switching the operating state of a planting clutch (not shown) provided on the traveling machine body.
The control device 24 controls the operation of the air supply / discharge device 25 based on detection information from the limit switch 23 that detects the ON operation of the air supply / discharge operation. That is, when the planting clutch is disengaged and the seedling planting operation of the seedling planting apparatus 2 is stopped, the control device 24 controls the air supply / discharge device so that a predetermined amount of air is supplied to the airbag 21 accordingly. 25 is controlled. Thereby, the air bag 21 is inflated to close the fertilizer supply path A. When the planting clutch is turned on and the seedling planting operation of the seedling planting apparatus 2 is started, the control device 24 operates the air supply / discharge device 25 so that the air in the airbag 21 is discharged. Control the operation. As a result, the airbag 21 contracts and the fertilizer supply path A
Is to be released.

As described above, since the opening and closing of the fertilizer supply path A can be performed by the inflation and contraction operations of the air bag 21, it is assumed that mud or fertilizer has adhered to the air bag 21 as the shutter B. Also, the muddy soil, fertilizer, and the like adhering to the shutter B can be blown off by the inflation / deflation operation of the air bag 21 as the opening / closing operation of the shutter B. In addition, the inflation / deflation operation of the airbag 21, which is the opening / closing operation of the shutter B,
Since the mud and fertilizer adhering to the surrounding area of the shutter B are not affected, even if mud or fertilizer is adhering to the shutter B and the surrounding area, the opening and closing operation of the shutter B can be performed by the shutter B or the fertilizer. It is not hindered by mud or fertilizer attached to the surrounding area. That is, from the above-described configuration, it is possible to eliminate the malfunction of the shutter caused by the mud or fertilizer from the field adhering to the shutter B and the surrounding area. Moreover, since the shutter B is provided in the groove generator 13 that rushes into the mud surface of the field to form a fertilizing groove, when the groove generator 13 rushes into the mud surface of the field at the start of the seedling planting operation, Since the fertilizer supply path A formed by the channel generator 13 is blocked by the expansion of the air bag 21, the mud of the field enters the channel generator 13 when the channel generator 13 enters the field mud surface. It is designed to prevent entry. That is, it is possible to prevent such a problem that the fertilizer supply path A is blocked by the mud that has entered the groove generator 13 when the groove generator 13 enters the mud surface of the field.

[Other Embodiments] Other embodiments of the present invention will be listed below. In the above embodiment, the shutter B is used as the groove maker 1
3, the shutter B may be provided in the downstream hose 12 on the lower side in the fertilizer supply direction. In the above embodiment, the supply and discharge of air to and from the air bag 21 (the fertilizer supply path A by the shutter B)
The opening and closing of the airbag 21 is performed in conjunction with the switching of the operation state of the planting clutch. Alternatively, air may be supplied to and discharged from the airbag 21 by manually operating a push button or the like. The fluid supplied to and discharged from the fluid bag type shutter B may be a gas other than air or a liquid such as water.

[Brief description of the drawings]

FIG. 1 is an overall side view of a seedling planting device equipped with a fertilizer application device.

FIG. 2 is a longitudinal sectional side view showing a configuration of a fertilizer feeding mechanism.

FIG. 3 is a longitudinal rear view showing a configuration of a fertilizer feeding mechanism.

FIG. 4 is a longitudinal rear view showing another configuration of the fertilizer feeding mechanism equipped with a feeding roll composed of two types of disc-shaped bodies.

FIG. 5 is a longitudinal rear view showing another configuration of the fertilizer feeding mechanism in which the feeding roll is deformable.

FIG. 6 is a longitudinal rear view of a groove generator showing a configuration of a shutter.

FIG. 7 is a block diagram illustrating a shutter operation control configuration;

[Explanation of symbols]

 10 Fertilizer feeding mechanism 13 Groove device A Fertilizer supply route B Shutter

Claims (2)

[Claims] 1. A fluid that opens and closes the fertilizer supply path by supplying and discharging fluid to a lower side in a fertilizer supply direction in a fertilizer supply path that supplies and guides the fertilizer fed from a fertilizer feeding mechanism to a fertilization groove formed on a mud surface in a field. Fertilizer application equipped with a bag-type shutter. 2. The fertilizer apparatus according to claim 1, wherein the shutter is provided in a groove generator that forms the fertilizer groove.