KR101755413B1 - Boring Device of Mulching Film - Google Patents

Abstract

According to an embodiment of the present invention, the oil air includes a rotary drum coupled to a rotary shaft linked with a motor and formed on the left / right; A rotating bar coupled with the left / right rotating drum, and a perforated blade coupled to the rotating bar.
As a result, it is possible to form the gap of the glow hole differently by adjusting the screw, and it is easy to cope with the consuming and defects of the component by making it possible to assemble and disassemble. Also, It is possible to provide the oil air which can easily change the perforated blade according to the size to be pierced.

Description

Boring Device of Mulching Film < RTI ID = 0.0 >

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an air stream forming a germination hole in a mulching film, and more particularly, to a rotary drum having a screw formed therein interlocked with a bevel gear, The present invention relates to oil air which can be adjusted so as to form gaps between germination holes of air mulching films differently.

Generally, when cultivating crops in farms, the cultivated soil is mulched with a covering material to maintain the moisture of the cultivated soil where crops are planted, to prevent soil loss due to rainwater during rainfall, and to avoid weeds .

In this way, the mulching cultivation method in which crops are cultivated under the condition that the cultivated soil is covered with the covering material prevents the water evaporation of the cultivated soil so as to maintain moisture in the soil and suppresses the occurrence of weeds It is relatively widely used.

Mulching refers to covering the surface of the soil when cultivating crops. Mulching Film for cultivation of crops refers to a thin film made of mulching, vinyl or the like. It is used to prevent soil moisture, control temperature, weed growth It is used for the purpose of suppressing soil, preventing infectious germs, preventing soil pollution, etc., and it also has an effect of preventing the soil from being washed out due to rain.

Generally, when crops are grown, mulching film for crop cultivation is put on the rye so that the growth of weeds is suppressed and moisture and nutrients of the soil are not evaporated. The surface of the mulching film for crop cultivation is cut and the seedlings of the crops are transplanted .

The above-mentioned transplanting operation of the crops is carried out by covering the soil for cultivation of the crops, that is, the mulching film for cultivation of crops, and then spreading the mulching film on the surface of the mulching film for crop cultivation at regular intervals. Then, seeds of the crops are first sown , And seedlings are planted in the perforations so that the crop can grow to an appropriate size.

Accordingly, formation of the pore interval of the mulching film which allows the crop to grow well is considered to be important.

The present invention has been proposed in order to achieve the purpose of forming the above-mentioned hole interval. The present invention provides a rotary drum having a screw interlocked with a bevel gear, and a rotary bar having a perforated blade fixed to the screw, And to provide an air stream that can be adjusted to differentiate the gap hole spacing of the air mulching film.

According to an aspect of the present invention, there is provided a rotary drum, comprising: a rotary drum coupled to a rotary shaft operatively associated with a motor and formed in a left / right direction; A rotating bar coupled with the left / right rotating drum, and a perforated blade coupled to the rotating bar.

The rotary drum further includes: a drum housing defining a cylindrical groove therein; A plurality of insertion openings formed along the circumferential surface of the drum housing and protruding into the cylindrical groove of the drum housing; A first bevel gear inserted so as to face a cylindrical groove inner projecting portion of the plurality of insertion ports; A bearing provided inside the insertion port and operating together with the first bevel gear; A bushing-type coupling body coupled to the inside of the first bevel gear to form a length in an outer direction of the drum housing; And a second bevel gear engaged with the plurality of first bevel gears and engaged with the rotating shaft, wherein the second bevel gear is engaged with the second bevel gear, By driving the gears, the first bevel gear and the plurality of screws rotate in succession so that the rotating bar flows along the threads of the screw and can rotate.

Further, by rotating the screw, the spacing of the rotary bar from the rotary drum can be adjusted to form gaps with different gaps.

The drum housing further includes a cover seat portion having a larger diameter than the cylindrical groove of the drum housing. The drum cover is coupled with the drum cover portion having the same diameter as the cover seat portion. The drum cover is coupled with the second bevel gear The second bevel gear is prevented from departing from the first bevel gear, and the rotary drum can rotate.

The rotary bar may include a cut-out portion formed to be inwardly engaged with the punching blade and forming a predetermined height and width.

The perforated blades may be installed at regular intervals.

According to one embodiment of the present invention, there is an advantage that the gap of the germination holes can be formed differently by adjusting the screw.

Also, it is possible to assemble and disassemble, and it is easy to cope with consuming parts and defects of parts.

In addition, the number of holes formed in the rotary drum may be varied to form the hole interval of the mulching paper.

Also, it is possible to attach and detach the perforated blade, and to easily change the perforated blade according to the size to be pierced.

1 is a perspective view of oil air according to an embodiment of the present invention.
Fig. 2 is a side view of the oil air in Fig. 1; Fig.
FIG. 3 is an exploded perspective view explaining an exploded perspective view of a rotary drum according to an embodiment of the present invention.
FIG. 4 is an exploded perspective view of the forward coupling of the rotary drum of FIG. 3; FIG.
5 is a perspective view of a rotary drum of oil air according to an embodiment of the present invention.
FIG. 6 is a view showing a coupling relationship of a rotary drum to which a rotary drum and a perforated blade are coupled according to an embodiment of the present invention.

Hereinafter, the description of the present invention with reference to the drawings is not limited to a specific embodiment, and various transformations can be applied and various embodiments can be made. It is to be understood that the following description covers all changes, equivalents, and alternatives falling within the spirit and scope of the present invention.

In the following description, the terms first, second, and the like are used to describe various components and are not limited to their own meaning, and are used only for the purpose of distinguishing one component from another component.

Like reference numerals used throughout the specification denote like elements.

As used herein, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. It is also to be understood that the terms " comprising, "" comprising, "or" having ", and the like are intended to designate the presence of stated features, integers, And should not be construed to preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 6 attached hereto.

FIG. 1 is a perspective view of oil air according to an embodiment of the present invention, FIG. 2 is a side view of the oil air in FIG. 1, and FIG. 3 is a side view of the rotary drum of oil air according to an embodiment of the present invention. FIG. 4 is an exploded perspective view of the rotating drum of FIG. 3 in an exploded perspective view, FIG. 5 is a perspective view of an entire rotary drum of the oil drum according to an embodiment of the present invention, and FIG. 6 is a view showing a coupling relation of a rotary bar combining a rotary drum and a perforated blade according to an embodiment of the present invention.

Referring to FIGS. 1 and 2, oil air 1 according to an embodiment of the present invention is used to form germination holes in a mulching paper, and includes a rotary drum 10, a rotary bar 40, a perforated blade 50, . ≪ / RTI >

In detail, the rotary drum 10 can engage with a rotary shaft 5 that is interlocked with a motor. Also, they are formed to the left / right sides so that the two pairs can be operated together.

To this end, the rotary drum 10 includes a drum housing 11, an insertion port 13, a first bevel gear 21, a bearing 22, a bushing type coupling member 23, a screw 24, 31).

Here, the drum housing 11 may be provided in a cylindrical shape so as to have the same diameter. This is because the plurality of rotary bars 40 coupled with the perforated blades 50 are fixed so as to be spaced apart from the drum housing 11 so as to form glow holes at equal intervals as long as the external conditions such as the rotational speed do not change .

Details of the rotary bar 40 and the perforated blade 50 will be described later.

Referring to FIG. 3, a cylindrical groove 12 may be formed in the drum housing 11. The cylindrical groove 12 may be a space in which parts constituting the rotary drum are fastened and operated.

At this time, it is preferable that the cylindrical grooves 12 are formed to have a diameter so that the parts do not collide with each other.

The insertion port 13 may be formed to protrude from the outer circumferential surface of the drum housing 11 to the cylindrical groove 12. In addition, a plurality of insertion openings 13 may be formed at regular intervals along the circumferential surface of the drum housing 11. [

Here, the interval at which the perforated holes form the germination holes can be adjusted according to the number of the insertion ports 13. That is, under the condition that the diameter of the drum housing 11 is the same, the gaps are formed to be wider as the insertion port 13 is formed less, and the gap of the germination holes may be narrower as more insertion ports 13 are formed.

The gaps between the germination holes can also be adjusted by the diameter of the drum housing 11. [ That is, as the diameter of the drum housing 11 is wider, the gaps between the germination holes are formed to be wider under the condition of the same number of the insertion ports 13. On the contrary, as the diameter of the drum housing 11 is narrower, .

The first bevel gear 21 may be inserted into each of the insertion ports 13.

At this time, the first bevel gear 21 may be inserted so as to face a portion protruding to the inside of the cylindrical groove of each insertion port.

The first bevel gear 21 may be formed to be the same as the number of the insertion holes 13 and the first bevel gear 21 may be formed to face the cylindrical groove 12 of the drum housing 11. [ have.

Also, the first bevel gear 21 may include a bearing 22 together. The first bevel gear 21 and the second bevel gear 21 can be rotated together with the first bevel gear 21 and the second bevel gear 21, .

The first bevel gear 21 can engage with the bushing type coupling member 23 inwardly. At this time, the bushing type coupling member 23 forms a length in the outer direction of the drum housing 11 and is fixed to the first bevel gear 21 by a key, so that the first bevel gear 21 can do.

The bushing type coupling member 23 has a hollow portion and a screw thread is formed on the inner circumferential surface thereof so that the screw 24 can be fastened.

The screw 24 protrudes outside the drum housing 11 to fasten the rotary bar 40. At this time, the rotary bar 40 may flow a predetermined distance along the thread of the screw 24. [

That is, when the first bevel gear 21 rotates, the bushing type coupling body 23 coupled to the first bevel gear 21 by a key, the screw 24 coupled to the bushing type coupling body 23, And the rotary bar 40 fastened to the screw 24 can flow along the screw thread of the screw 24 in the longitudinal direction of the screw 24. [

The coupling structure is a core feature of the oil air 1 according to an embodiment of the present invention. The gap of the glow holes is formed by adjusting the separation distance of the rotary bar 40 by adjusting the screw 24 There is an advantage to be able to do.

That is, the germination hole interval of the mulching paper should be formed differently according to the crop to be cultivated. According to the embodiment of the present invention, the oil air 1 can be easily rotated by rotating the screw 24 before the rotation, And can be spaced apart from or close to the rotary drum 10.

As a result, the gaps between the germination holes can be finely adjusted, and the effect can be easily set by anyone.

4, a second bevel gear 31 may be formed on the first bevel gear 21 disposed opposite to the insertion port 13 so as to engage with the first bevel gear 21, have. Further, the second bevel gear 31 can engage with the rotary shaft 5 that is interlocked with the motor.

That is, when the motor is operated, the second bevel gear 31 coupled to the rotary shaft 5 rotates, and a plurality of the first bevel gears 21 coupled together can rotate together.

At this time, the drum housing 11 fastens the drum lid 22 to prevent the second bevel gear 31 from being separated from the drum lid 33, and the drum lid 33 can be engaged with the second bevel gear 31 at the same time. To this end, the drum housing 11 may include a cover seat 32 with a larger diameter than the cylindrical groove 12 inside the top. The drum cover 33 has the same diameter as that of the lid seating portion 32 and is fastened so as to face the lid seating portion 32 so that the rotary drum 10 can rotate when the rotary shaft 5 rotates .

Referring to FIG. 5, which is a perspective view of the rotary drum, a plurality of holes may be formed in the drum lid 33 and the drum housing 11 of the rotary drum 10, and three out of six Are for fastening the drum housing 11 and the drum lid 33, and three are for passing the electric wire. Also, the six holes formed inside are for fastening of other accessories.

However, the present invention is not limited thereto, and the holes may be formed in a number larger than the number shown in the drawing, or may be formed in a small number, and it is a matter of course that the holes may be used only for fastening or mixed.

At this time, it is preferable that the electric wire hole is formed so as to pass through the rotary drum 10.

6, the rotary bar 40 fastened to the screw 24 is provided with a cut-out portion 41 forming a predetermined height and width inward to engage the perforated blade 50 forming the perforation .

At this time, the perforated blade 50 is coupled to be seated on the cut-out portion 41, and the form of the coupling is not limited and may be an electromagnet, a bolt, or a joining bracket, Method can be formed.

Here, the perforated blades 50 may be provided to form a uniform gap in the longitudinal direction.

In addition, the second bevel gear 31 may include bearings (not shown) to smoothly rotate.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, You will understand. The embodiments described above are therefore to be considered in all respects as illustrative and not restrictive.

1: Oil air
5:
10: rotary drum
11: drum housing
12: Cylindrical groove
13:
21: 1st bevel gear
22: Bearings
23: bushing type coupling body
24: Screw
31: 2nd bevel gear
32:
33: drum cover
40: Rotary bar
41: incision
50: Perforated blade

Claims (6)

In the oil air which forms germination holes in the mulching film,
A rotary drum coupled to a rotary shaft associated with the motor and formed on the left / right;
A rotating bar to be coupled with the left / right rotating drum,
And a piercing blade coupled to the rotating bar,
The rotary drum includes:
A drum housing defining a cylindrical groove therein;
A plurality of insertion openings formed along the circumferential surface of the drum housing and protruding into the cylindrical groove of the drum housing;
A first bevel gear inserted so as to face a cylindrical groove inner projecting portion of the plurality of insertion ports;
A bearing provided inside the insertion port and operating together with the first bevel gear;
A bushing-type coupling body coupled to the inside of the first bevel gear to form a length in an outer direction of the drum housing;
A screw which is fastened to the bushing type fastening body and fastens the rotary bar outside the drum housing,
And a second bevel gear engaged with the plurality of first bevel gears and engaged with the rotation shaft,
And the plurality of first bevel gears and the plurality of screws are rotated in succession by the driving of the second bevel gear coupled to the rotating shaft, so that the rotating bar flows along the threads of the screw and rotates.
delete The method according to claim 1,
Wherein a distance between the rotary bar and the rotary bar is adjusted by rotating the screw so that the interval between the sprouting holes can be differently formed.
The method according to claim 1,
The drum-
And a lid seat portion having a diameter larger than that of the cylindrical groove of the drum housing, wherein the lid seating portion is coupled with the drum lid having the same diameter as the lid seating portion, And the rotary drum is rotatable.
The method according to claim 1,
The rotation bar
And a cut-out portion formed inside and formed with a predetermined height and width so that the punching blade is engaged.
The method according to claim 1,
The piercing blade
And is installed at regular intervals.

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