JP2012095592A - Implement for removing foreign matter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an implement for removing foreign matter which is capable of effectively removing foreign matter adhering to tea leaves of tea plant ridge, especially, relatively large and heavy foreign matter such as fallen leaves adhering to the back side of the leaves.SOLUTION: The implement 1 for removing foreign matter includes: a blowing part 81 for blowing the air; two air guide parts 2 for guiding the air from the blowing part 81; a duct part 3 provided with suction ports 31 for connecting each air guide part 2 at the center of an upper surface 3a; a separator plate 4 for separating each suction port 31 in the duct part 3; and a slit-like air outlet 5 provided in front surface 3b of the duct part 3.

Description

  The present invention relates to a foreign matter removing apparatus capable of removing foreign matter such as water droplets, dew, dust, dead leaves, small animals, insects, and the like attached to tea leaves of a tea tree with wind.

  Conventionally, before picking tea leaves from tea plants, water droplets, dew, insects, etc. are wiped off using an insect trapping device or a dew remover.

For example, Patent Document 1 below discloses a blow-type insect trapping method characterized in that a pest parasitic on a tea tree is blown away only by a forced wind or a forced wind containing water.
In addition, after strong winds are blown by a typhoon, leaves such as cedar and camellia may fall on the tea plantation. These leaves are heavy and need to be blown off with strong winds. .
In view of this, Patent Document 2 below discloses a dewdrop attachment for a plucking machine having a blowout portion provided with a slit-like blowout port so that a strong wind can be blown onto a tea tree cocoon.

JP 2004-135600 A JP 2010-136661 A

  The dew detachment attachment described in Patent Document 2 can send out strong winds and is suitable for removing foreign matter. However, if this is used to remove relatively large foreign matter such as fallen leaves, foreign matter is accumulated in the front, and the accumulated foreign matter must be manually removed. There wasn't.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a foreign matter removing apparatus that can efficiently remove foreign matters adhering to tea leaves of tea tree buds, in particular, relatively large and heavy foreign matters such as fallen leaves and foreign matters adhering to the back of leaves.

  The foreign matter removing apparatus according to the present invention includes a blower unit that sends out wind, a wind guide unit that guides wind from the blower unit, a duct unit provided with an air inlet that connects the wind guide unit to the center of the upper surface, and a duct unit And a slit-like air outlet provided on the front surface.

  In this way, by connecting the wind guide part to the center of the upper surface of the duct part, the wind can be sent out to the outside of the tea tree buds, so that foreign substances adhering to the tea leaves and relatively large and heavy foreign substances can be efficiently removed. Can be dropped.

It is the perspective view which showed 1st embodiment of the foreign material removal apparatus of this invention. It is the perspective view which showed 2nd embodiment of the foreign material removal apparatus of this invention. It is the perspective view which showed 3rd embodiment of the foreign material removal apparatus of this invention. It is the perspective view which showed 4th embodiment of the foreign material removal apparatus of this invention. It is the perspective view which showed the use condition of the foreign material removal apparatus of 2nd embodiment. It is a front view of the foreign material removal apparatus of 2nd embodiment. It is a top view of the foreign material removal apparatus of a second embodiment. It is a center sectional view of a foreign substance removal device of a second embodiment. It is the perspective view which showed an example of the blowing part of the conventional dewdrop attachment for plucking machines. It is a figure for demonstrating the direction of the wind which blows off from the blowing part of FIG. 9, (A) is a top view, (B) shows a side view. It is a figure for demonstrating the direction of the wind which blows off from the foreign material removal apparatus of 2nd embodiment, (A) is a top view, (B) is a side view. In the foreign material removal apparatus of 2nd embodiment, it is the front view which showed the state which removes a foreign material. It is the figure which showed the wind speed measurement position of invention. It is the graph which showed the wind speed which flowed out from invention and the conventional product.

  Hereinafter, a foreign matter removing apparatus of the present invention will be described based on embodiments. However, the present invention is not limited to this embodiment.

  The foreign matter removing apparatus according to the present invention includes a blower unit that sends out wind, a wind guide unit that guides wind from the blower unit, a duct unit provided with an air inlet that connects the wind guide unit to the center of the upper surface, and a duct unit A slit-shaped air outlet provided on the front surface is provided.

  Although the number of the air guide portions may be one, it is also possible to provide two or more. In this case, it is preferable to provide a separator plate for partitioning the inside of the duct portion, thereby preventing turbulent flow. Furthermore, turbulent flow can be prevented more effectively if the separator plate is provided so as to separate the intake ports.

  For example, FIG. 1 shows a foreign matter removing apparatus 11 according to a first embodiment of the present invention, which includes a blower unit (not shown) for sending wind and one wind guide unit for guiding wind from the blower unit. 12, a duct portion 13 provided with an air inlet 131 for connecting the air guide portion 12 to the central portion of the upper surface 13 a, and a slit-like air outlet 15 provided on the front surface 13 b of the duct portion 13.

  FIG. 2 shows a foreign matter removing apparatus 1 according to a second embodiment of the present invention, which includes a blower unit (not shown) that sends out wind, and two air guide units 2 that guide the wind from the blower unit. A duct portion 3 provided with two side-by-side intake ports 31 connecting the air guide portions at the center of the upper surface 3a, a separator plate 4 provided between the two intake ports 31 and partitioning the inside of the duct portion 3, and a duct A slit-like outlet 5 provided on the front surface 3b of the part 3 is provided.

  FIG. 3 shows a foreign matter removing device 21 according to a third embodiment of the present invention, which includes a blower unit (not shown) for sending wind and two air guide units 22 for guiding wind from the blower unit. The duct portion 23 is provided with two side-by-side intake ports 231 connecting the air guide portions at the central portion of the upper surface 23a, and the slit-shaped air outlet 25 provided on the front surface 23b of the duct portion 23. is there. This foreign matter removing device 21 is formed in a shape that can be divided into right and left at the central portion, and can be used by combining the central portions, and the inner side surface 23e also serves as a separator plate.

  FIG. 4 shows a foreign matter removing device 31 according to a fourth embodiment of the present invention, which includes a blower unit (not shown) for sending wind and three or more wind guide units for guiding wind from the blower unit. 32, a duct portion 33 provided with side-by-side intake ports 331 connecting the air guide portions 32 at the center of the upper surface 33a, a separator plate 34 provided between the intake ports 331 and partitioning the inside of the duct portion 33, a duct A slit-shaped air outlet 35 provided on the front surface 33b of the portion 33 is provided.

  The foreign matter removing apparatus of each of the above embodiments can blow a strong wind on the surface of the tea plant and send the wind toward the outside of the tea plantation. Can be withdrawn.

  Hereinafter, the foreign matter removing apparatus 1 of the second embodiment will be described in more detail.

  As shown in FIG. 5, the foreign matter removing apparatus 1 according to the second embodiment of the present invention is attached to a gate-type traveling plucking machine 8 that travels between the furrows 61 of the tea tree cocoon 6, and FIGS. As shown in the figure, an air blowing section 81 that sends out wind, two air guiding sections 2 that guides the wind from the air blowing section 81, and left and right side intake ports 31 that connect the air guiding sections 2 to the center of the upper surface 3a are provided. And a separator plate 4 provided between each intake port 31 and partitioning the inside of the duct portion 3, and a slit-like outlet 5 provided on the front surface 3 b of the duct portion 3. Is.

  The air guide part 2 guides the wind sent from the air blowing part 81 provided with an engine or a fan to the duct part 3, and a pipe made of a metal such as stainless steel or aluminum, a synthetic resin, rubber or the like is used. it can. In the present embodiment, a stretchable material made of a synthetic resin and formed in a bellows shape is used.

The duct portion 3 has a hollow inside and discharges the wind blown from the air guide portion 2 from the blowout port 5.
In this embodiment, as shown in FIG. 2 or 6, the duct portion 3 is formed substantially symmetrically, tapering from the center portion toward the left and right ends, and having an arch shape so that the bottom surface 3c is along the surface of the tea tree pod. It is formed. As shown in FIG. 7, the upper surface 3a is provided with left and right intake ports 31 for connecting the air guide portions 2 at the center, and the front surface 3b is a nozzle protruding forward as shown in FIG. A portion 32 is provided, and a slit-like outlet 5 is provided at the tip thereof. As shown in FIG. 2 or 8, the inside is partitioned left and right by a separator plate 4 provided at the center so that the air blown from the left and right intake ports 31 is mixed and does not cause turbulent flow.
The side surface 3d of the duct portion 3 is formed outward as shown in FIG. The side surface 3d may be formed at a right angle with respect to the front surface 3b, but it is preferable that the side surface 3d be oriented in the same direction as a rectifying plate 51 to be described later, whereby the air blown out from the outlet 5 is likely to flow outward. .

In this embodiment, as shown in FIG. 6, the air outlet 5 is formed in an elongated arch shape, and the opening width can be 3 mm to 6 mm, preferably 4 mm to 5 mm.
As shown in FIG. 7, a rectifying plate 51 can be disposed at the outlet 5, and thereby the direction of the wind can be adjusted. The rectifying plate 51 is attached so as to be orthogonal to the bottom surface 3c, and is preferably arranged outward so as to face the outside of the tea tree cocoon in plan view. This angle may be 15 ° to 30 °, preferably about 20 °, and varies depending on the size and weight of the object. Further, the rectifying plate 51 is preferably formed longer than the nozzle portion 32, and is arranged so that the rectifying plate 51 protrudes inward of the duct portion 3.
In the present embodiment, the sixteen current plates 51 are arranged symmetrically at equal intervals in the left-right direction. However, the present invention is not limited to this, and a configuration in which the current plates 51 are not disposed may be employed.

The foreign matter removing apparatus 1 can be used as a dedicated machine such as a portable type, a backpack type, or a rail type, and as an attachment that can be attached to the front of a conventional rail type or traveling type plucking machine or management machine. It can also be used, and can be plucked while removing foreign matter. When attaching to a plucking machine, the wind guide part 2 can also be connected and used for the ventilation part previously mounted in the plucking machine.
A vertical movement unit is attached to the foreign substance removal apparatus 1 so that it can move up and down, and the vertical position of the air outlet 5 can be adjusted, or an angle adjustment member can be attached and rotated so that the direction of the air outlet 5 can be adjusted. You can also.

In the foreign matter removing apparatus 1, since the air guide part 2 is arranged in the center part of the duct part 3 and the inside of the duct part 3 is partitioned by the separator plate 4, the wind flowing out from the outlet 5 has directivity, The foreign matter 7 adhering to the tea leaves can be efficiently removed to the furrow 61.
More specifically, a conventional dew remover attachment for a plucking machine (invention described in Japanese Patent Application Laid-Open No. 2010-136661) having an outlet as shown in FIG. 9 is an outlet 9 provided with a slit-like outlet 91. However, the inlet 92 which can connect an air guide part to the both ends of the blowing part 9 is formed. As shown by the arrows in FIG. 10 (A), the wind blows out in parallel to the tea tree candy 6, and as shown by the arrows in FIG. Is difficult to reach far away, and foreign matter 7 is likely to be accumulated in the front, and the accumulated foreign matter 7 must be manually removed.
However, in the foreign matter removing apparatus 1, as shown by the arrow in FIG. 11 (A), the wind blows obliquely outward with respect to the tea tree candy 6, and as shown by the arrow in FIG. 11 (B), the turbulent flow Because it is difficult to occur, the wind blows straight without spreading up and down, and a strong wind reaches far away. The foreign matter 7 located in the center of the tea plantation 6 can be transferred to the furrow 61 as the foreign matter removing device 1 moves, and as shown in FIG. Can be removed well.

  The foreign matter removing apparatus 1 can wipe off foreign matter 7 adhering to the front and back of tea leaves such as water droplets and dew such as rain and morning mist, dust such as soil and volcanic ash, dead leaves of trees and flowers, and small animals such as insects. Among them, it is preferable to use it as a dew remover, and since it can blow a strong wind, it is possible to remove dew and to remove heavy leaves such as cedar and camellia that have fallen on the tea plantation 6 .

(performance test)
The following inventions and conventional products were produced and performance tests were conducted.

(Invention)
A foreign matter removing device having the same shape as that shown in FIGS. 2 and 6 to 8 was produced, and this was attached to a traveling type plucking machine to conduct a wind speed test. The opening width of this blower outlet was 4.5 mm. As shown in FIG. 13, the wind speed measurement is performed by setting an intermediate portion of the outlet as a reference point 1 (0 mm), and from there to a reference point 9 of 900 mm every 100 mm along the outlet, the 0 mm nearest to the outlet (line A). ), Measured at three locations, 100 mm forward (B row) from the outlet, and 200 mm forward (C row) from the outlet, and measured using an anemometer.
At this time, a gasoline engine and a turbo blower mounted on the traveling type plucking machine were used as the blowing section. The result is shown in FIG.

(Conventional product)
A dew remover attachment for a plucking machine (invention described in Japanese Patent Application Laid-Open No. 2010-136661) having a blowout portion having the same shape as that shown in FIG. 9 is manufactured and attached to the same traveling type plucking machine as described above, and a wind speed test is performed. It was. The blower outlet of the dew removal attachment for the plucking machine has the same shape and size as the above-mentioned test product. As with the above-described test products, the wind speed measurement is performed with the central portion of the outlet as the reference point 1 (0 mm), and from there, at the position of the reference point 9 of 900 mm every 100 mm along the outlet, 0 mm (line A) ), Measured at three locations, 100 mm forward (B row) from the outlet, and 200 mm forward (C row) from the outlet, and measured using an anemometer. The result is shown in FIG.

(Wind speed performance)
As shown in FIG. 14, the product (solid line) of the invention (solid line) is weaker in the A row than the conventional product (broken line), but is stronger in the B and C rows. It was confirmed that strong winds were blown evenly from the distance to the distance.
In addition, at the position of the reference point 9 of the invention product, the wind speed of the A row and the B row is close to 0 m / s, but the wind speed of the C row is about the same as the other reference points 1 to 8, and the invention product is outside. It was confirmed that the wind was blowing in an oblique direction.

(Discharge performance)
In the invention, the foreign matter on the tea tree shook outward and the foreign matter was wiped off between the cocoons, so that the foreign matter could be removed efficiently.
In the conventional product, the foreign matter on the tea plantation moves forward and accumulates and accumulates in front of the device, so the device must be stopped and the foreign matter must be manually removed.

1,11,21,31 Foreign substance removal device 2,12,22,32 Air guide part 3,13,23,33 Duct part 3a, 13a, 23a, 33a Upper surface 3b, 13b, 23b, 33b
3c bottom surface 3d side surface 3e inner side surface 31, 131, 231 and 331 intake port 32 nozzle part 4, 34 separator plate 5, 15, 25, 35 outlet 6 tea tree 61 intercostal space 7 foreign material 8 traveling type plucking machine 81 air blowing part

Claims (6)

  An air blowing section for sending wind, an air guiding section for guiding the air from the air blowing section, a duct section provided with an air inlet for connecting the air guiding section to the center of the upper surface, and a slit-shaped air blowing provided on the front surface of the duct section And a foreign matter removing apparatus.   2. The foreign matter removing apparatus according to claim 1, wherein one or a plurality of air guide portions are provided, the duct portion is provided with an air inlet for connecting the air guide portions at a central portion of the upper surface, and a separator plate for partitioning the inside is provided in the duct portion. .   The foreign matter removing device according to claim 2, wherein the foreign matter removing device is formed so as to be divided into right and left.   The foreign matter removing apparatus according to claim 1, wherein a plurality of air guide portions are provided, and a separator plate is provided between each air inlet.   The foreign matter removing apparatus according to any one of claims 1 to 4, wherein a rectifying plate is disposed outwardly at the air outlet.   The foreign matter removing apparatus according to claim 5, wherein the side surface of the duct portion is formed in the same direction as the current plate.

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