KR101664254B1

KR101664254B1 - hole cutter for mulching film

Info

Publication number: KR101664254B1
Application number: KR1020160067428A
Authority: KR
Inventors: 이정수
Original assignee: 이정수
Priority date: 2016-05-31
Filing date: 2016-05-31
Publication date: 2016-10-10

Abstract

The present invention relates to a hole puncher for a mulching film, having a simple and novel structure and capable of freely adjusting a distance between germination holes formed on a mulching film. According to the present invention, a mulching film (1) is closely arranged to a front perimeter part of a punching unit (40) by guide rollers (51, 52, 53, 54 and 55) such that first germination holes (3) are formed on the mulching film (1), and then the mulching film (1) is closely arranged to a rear perimeter part of the punching unit (40) such that second germination holes (4) are formed in a space from the first germination holes (3). That is, the germination holes (3, 4) are formed twice by the punching unit (40), so the distance between the germination holes (3, 4) may be reduced to half in comparison with an existing hole puncher which forms the germination holes (3, 4) only once.

Description

Hole cutter for mulching film

The present invention relates to a new structure of the oil air which is simple in structure and can freely adjust the gap of the germination holes formed in the mulching film.

Generally, a mulching film that covers a ridge of a field planted with a crop to increase the water holding capacity of the soil and inhibit sickness or weeds is formed in the form of a strip composed of various colors or materials. As shown in Fig. 1, And a plurality of sprouting holes 2 are formed at predetermined intervals in the forward and backward directions.

On the other hand, as shown in Figs. 2 and 3, the oil air used to form the germination holes 2 in the mulching film 1 is used as the mulching film 1 wound around the circumferential surface, A recoiler 20 for winding up the mulching film 1 unwound from the uncoiler 10 and a support 30 disposed at the middle of the path through which the mulching film 1 passes, A punching unit 40 provided on the support 30 to form glow holes 2 at predetermined intervals on the mulching film 1 and a punching unit 40 provided on the support 30, And a guide roller (50) for guiding the intermediate portion of the punching unit (40) to pass through the lower circumferential portion of the punching unit (40).

The punching unit 40 includes a rotary shaft 41 extending laterally to the support base 30, a pair of side plates 42 provided at both ends of the rotary shaft 41, A plurality of support plates 43 having a plurality of perforation cutters 43a formed on the mulching film 1 to form germination holes 2 when the support plate 42 is coupled to the side plate 42, And a position adjustment means 44 connected to the support plate 43 for adjusting the position of the support plate 43 such that the support plate 43 rotates radially outward from the central portion of the side plate 42.

To this end, the support plates 43 are spaced apart from each other on the adjacent surface of the side plate 42.

In the drawing, the support plate 43 is composed of six pieces and is spaced apart from each other by an interval of 60 degrees on an adjacent surface of the side plate 42.

The perforation cutters 43a are provided on the support plate 43 such that a plurality of the perforation cutters 43a are spaced apart from each other at a predetermined interval in the lateral direction.

The position adjusting means 44 is provided to extend in the radial direction on the adjacent surface of the side plate 42 to support both ends of each supporting plate 43 so that the six supporting plates 43 are simultaneously So as to be spaced apart in the radial direction of the side plate 42 by an interval.

Various kinds of position adjusting means 44 have been developed and used.

For example, the position adjusting means 44 may include six screw shafts extending radially to the side plate 42 and passing through both ends of the support plate 43, and a screw shaft connected to the screw shaft, And the six support plates 43 can be configured to be moved forward and backward by the same interval in the radial direction of the side plate 42. [

At this time, various structures other than the above-described structure can be used as the structure of the position adjusting means 44, and a detailed description thereof will be omitted.

The guide rollers 50 are disposed on the support rods 30 in front of and behind the punching unit 40 to support the lower surface of the mulching film 1 passing through the lower surface of the punching unit 40 , So that the mulching film (1) is strongly adhered to the lower surface of the punching unit (40).

The punching unit 40 is rotated so that the punching cutter 43a provided on the support plate 43 is rotated by the mulching film 1) at regular intervals.

At this time, if the support plate 43 is positioned toward the center of the side plate 42 by using the position adjusting means 44, the six support plates 43 are moved to the center of the side plate 42 by the same distance do.

When the support plate 43 is moved toward the center of the side plate 42, the distance between the support plates 43 is narrowed. Accordingly, the perforation cutter 43a provided on the side plate 42, The interval of the germicidal growth term formed by the germicidal composition is also narrowed.

The structure and action of such oil air are described in detail in numerous prior documents including the public utility model 20-1991-0000441 and the public utility model 20-1990-0010414, and a detailed description thereof will be omitted.

The position of the support plate 43 is adjusted in the radial direction of the side plate 42 by using the position adjusting means 44 so that the amount of the air in the gauntlet 2 formed by the perforation cutter 43a However, due to the structural limitations, it is difficult to form the gaps 2 closer to a certain level or less.

Of course, it is also possible to form the gaps 2 closer to each other. However, in this case, not only is there a limit to the wide adjustment of the gaps 2, The entire structure becomes very complicated.

Therefore, there is a need for a new method to solve such a problem.

It is an object of the present invention to provide a new structure of the present invention which is capable of freely adjusting the spacing of the sprouting holes 2 formed in the mulching film 1 with a simple structure.

In order to accomplish the above object, the present invention provides an uncoiler (10) in which a mulching film (1) wound on a circumferential surface is released and a mulching film (1) unwound from the uncoiler (20), a support base (30) arranged at a middle portion of a path through which the mulching film (1) passes, and a support base (30) provided on the support base (30) Guide rollers 51 and 51 for guiding the intermediate portion of the mulching film 1 to pass through the lower circumferential portion of the punching unit 40, The punching unit 40 includes a rotation shaft 41 extending laterally to the support 30 and a pivot shaft 41 extending from both ends of the rotation shaft 41 A plurality of perforation cutters 43a for forming germination holes 3 and 4 in the mulching film 1 on the outer side when both ends of the side plates 42 are coupled to the side plate 42, A plurality of support plates 43 provided on the side plate 42 and connected to the support plate 43 to adjust the position of the support plate 43 such that the support plate 43 is radially outwardly moved outward from the center of the side plate 42 The guide rollers 51, 52, 53, 54, 55) are arranged on the upper side of the punching unit 40 so as to be spaced apart from each other in the forward and backward directions, First upper and lower guide rollers 51 and 52, first and second lower guide rollers 53 and 54 provided below the punching unit 40 to be spaced apart from each other in the forward and backward directions, And an elevating guide roller 55 provided on the lower side of the guide rollers 53 and 54 in such a manner that the elevating guide roller 55 can be elevated and lowered. And the mulching film 1 unwound from the uncoiler 10 passes through the first upper guide roller 51, An upper circumferential portion of the punching unit 40, an upper circumferential portion of the first lower guide roller 53, a lower circumferential portion of the elevating guide roller 55, Is wound around the recoiler 20 after passing the upper circumferential portion of the guide roller 54, the rear circumferential portion of the punching unit 40 and the upper circumferential portion of the second upper guide roller 52 Is provided.

According to another aspect of the present invention, there is provided an apparatus for measuring the position of a support plate, comprising: a position measuring means (60) provided on the side plate (42) for measuring a position of the support plate (43) Further comprising a control unit (80) for controlling the operation of the elevation driving means (70) so as to follow the position of the side plate (42) when the position of the side plate (43) is adjusted to the inside and outside of the side plate (42).

According to still another aspect of the present invention, the apparatus further includes auxiliary lift driving means (90) connected to the second upper guide roller (52) to elevate the second upper guide roller (52) / RTI >

The molten film 1 is brought into close contact with the front periphery of the punching unit 40 by the guide rollers 51, 52, 53, 54, 55) The second sprouting holes 4 are formed between the first sprouting holes 3 so as to be in close contact with the rear periphery of the punching unit 40. [

That is, since the gut holes 3 and 4 are formed twice by the punching unit 40, the gap between the gut holes 3 and 4 is smaller than the gap between the gut holes 3 and 4, Can be formed to be as narrow as 1/2.

1 is a plan view showing a general mulching film,
2 is a side view showing a conventional oil air,
3 is a front view showing a conventional oil air,
4 is a side view showing the oil air according to the present invention,
FIG. 5 is an enlarged view showing a main portion of the oil air according to the present invention,
Fig. 6 is a front view showing the oil air according to the present invention, Fig.
FIG. 7 is a circuit diagram showing the oil air according to the present invention,
8 is a plan view showing a mulching unit having germination holes formed by oil air according to the present invention,
9 and 10 are reference views for explaining the operation of the oil air according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

4 to 10 show the oil air according to the present invention. The oil film 10 includes an uncoiler 10 on which a mulching film 1 wound on a circumferential surface is unwound, a mulching film 10 released from the uncoiler 10, (20) for winding up the mulching film (1), a support base (30) disposed at a middle portion of a path through which the mulching film (1) passes, A punching unit 40 for forming glow holes 3 and 4 at regular intervals and a punching unit 40 provided on the support base 30 for allowing a middle portion of the mulching film 1 to pass through a lower circumferential portion of the punching unit 40 The guide rollers 51, 52, 53, 54 and 55).

At this time, the punching unit 40 includes a rotation shaft 41 extending laterally to the support 30, a pair of side plates 42 provided at both ends of the rotation shaft 41, A plurality of support plates 43 having a plurality of perforation cutters 43a for forming glow holes 3 and 4 in the mulching film 1 when the side plates 42 are coupled to the side plates 42, And a position adjusting means 44 connected to the supporting plate 43 to adjust the position of the supporting plate 43 in the radial direction from the central portion of the side plate 42 to the outside.

According to the present invention, the guide rollers 51, 52, 53, 54, 55) are provided on the upper side of the punching unit 40 with first and second upper guide rollers 51 First and second lower guide rollers 53 and 54 provided below the punching unit 40 so as to be spaced apart from each other in the forward and backward directions and first and second lower guide rollers 53 and 54 And an elevating guide roller 55 provided on the lower side of the elevating guide roller 55 so as to be movable up and down.

At this time, the mulching film 1 unwound from the uncoiler 10 is guided by the upper circumferential portion of the first upper guide roller 51, the front circumferential portion of the punching unit 40, An upper circumferential portion of the upper guide roller 53, a lower circumferential portion of the elevating guide roller 55, an upper circumferential portion of the second lower guide roller 54, a rear circumferential portion of the punching unit 40, 2 upper guide rollers 52, and then wound on the recoil 20.

The auxiliary rollers 56 for supporting the upper surface of the mulching film 1 are provided in front of and behind the first and second upper guide rollers 51 and 52.

Therefore, the mulching film 1 is brought into close contact with the front edge of the punching unit 40 so that the plurality of first sprouting holes 3 are spaced apart from each other by the punching cutter 43a in the forward and backward directions, And a plurality of second sprouting holes (4) are formed in close contact with the rear periphery of the punching unit (40).

That is, as shown in FIG. 8, the mulching film 1 is guided by the guide rollers 51, 52, 53, 54, 55 to the front and rear circumferential portions of the punching unit 40 A first germination hole 3 which is guided so as to be closely contacted and which is spaced apart from the mulching film 1 in the forward and backward directions and a second germination hole 4 formed in the middle of the forward and backward positions of the first germination hole 3 .

At this time, the up-and-down direction position of the lifting guide roller 55 is adjusted to be formed at the center of the first sprouting hole 3 formed in the forward and backward direction of the first sprouting holes 3 so that the second sprouting holes 4 are spaced apart from each other in the forward and backward directions.

The side plate 42 is provided with a position measuring means 60 for measuring the position of the supporting plate 43. The elevating guide roller 55 is provided with elevating driving means for elevating the elevating guide roller 55 And a control unit 80 for controlling the operation of the elevation driving means 70 is connected to the position measuring means 60.

The position measuring means 60 is provided on the supporting plate 43 so as to be parallel to the position adjusting means 44 on the side plate 42 so that the user can use the position adjusting means 44 And adjusts the position of the side plate 42 and outputs the measured position value to the control unit 80 as shown by the dotted line and the solid line.

At this time, various devices for measuring the position of an object slid in a linear direction like the position measuring means 60 have been developed and widely used, and a detailed description thereof will be omitted.

6, the elevation driving means 70 includes a pair of elevation blocks 71 rotatably coupled to both ends of the elevation guide rollers 55, And a pair of driving motors 73 connected to the screw shaft 72. The driving motor 73 is driven by the driving motor 73 When the screw shaft 72 is rotated, the elevating block 71 and the elevating guide roller 55 are moved up and down by the screw action of the screw shaft 72.

At this time, the driving motor 73 uses a stepping motor capable of precisely controlling the rotation angle.

The control unit 80 receives the signal of the position measuring means 60 and controls the elevation driving means 70 to correspond to the position of the supporting plate 43 in the radial direction of the side plate 42 The vertical positions of the lifting guide rollers 55 are adjusted so that the second sprouting holes 4 are formed at positions in the front and rear direction center of the first sprouting holes 3 formed so as to be spaced apart from each other in the forward and backward directions.

9, when the position of the support plate 43 is adjusted to the center of the side plate 42 by using the position adjusting means 44, The gap between the gut holes 3 becomes narrow while the first gutting hole 3 is formed while the mulching film 1 passes through the front periphery of the punching unit 40 and then the first lower guide roller 53 The distance from the periphery of the elevating guide roller 55 and the second lower guide roller 54 to the rear periphery of the punching unit 40 is not changed.

Therefore, if the support plate 43 is positioned toward the center of the side plate 42, the second sprouting holes 4 can not be formed in the center of the front and rear positions of the first sprouting holes 3, Is formed at a position close to the first sprouting hole (3).

At this time, when the elevating guide roller 55 is lowered in accordance with the position of the support plate 43 being adjusted toward the center of the side plate 42 to narrow the gap of the first germination hole 3, After the first gut hole 3 is formed while passing through the front periphery of the punching unit 40, the circumferences of the first lower guide roller 53, the elevation guide roller 55 and the second lower guide roller 54 The position where the second germination hole 4 is formed is pushed rearward so that the second germination hole (the second germination hole) 4 are positioned so as to be formed in the center of the front-back direction position of the first sprouting hole 3. [

That is, when the support plate 43 is adjusted to the central portion of the side plate 42 to adjust the interval of the first sprouting holes 3, when the lift guide roller 55 is lifted up at a predetermined ratio, (4) is positioned at the center of the front-back direction position of the first sprouting hole (3).

Therefore, when the user adjusts the position of the support plate 43 by using the position adjusting means 44, the control unit 80 controls the operation of the elevation driving means 70 at a pre-inputted ratio, The guide rollers 55 can be raised and lowered so that the second spouting holes 4 can be precisely formed in the forward and rearward center portions of the first spouting holes 3 spaced in the front and rear direction.

The side plate 42 is provided with auxiliary lift driving means 90 which is connected to the second upper guide roller 52 to move the second upper guide roller 52 up and down.

As shown in FIGS. 5 and 6, the auxiliary lifting and driving means 90 is disposed on the adjacent surface of the side plate 42 so as to be inclined rearward downward and connected to both ends of the second upper guide roller 52 A rodless cylinder for raising and lowering the second upper guide roller 52 is used.

5 or 9, when the second upper guide roller 52 is raised by using the auxiliary lift driving means 90, the mulling of the second upper guide roller 52 via the second lower guide roller 54 The film 1 is brought into close contact with the rear periphery of the punching unit 40 to form the second germination hole 4 in the mulching film 1. [

10, when the second upper guide roller 52 is lowered by using the auxiliary lift driving means 90, the mulching film 1 (see FIG. 10) passing through the second lower guide roller 54, Is wound tightly on the recoiler 20 via the second upper guide roller 52 without coming into close contact with the rear periphery of the punching unit 40 so that the second germination hole (4) is not formed.

The thus formed oil air is brought into close contact with the front peripheral portion of the punching unit 40 by the guide rollers 51, 52, 53, 54, 55) so that the first spouting hole 3 The second spouting hole 4 is formed between the first spouting holes 3 so as to be in close contact with the rear periphery of the punching unit 40. [

That is, since the gut holes 3 and 4 are formed twice by the punching unit 40, the gap between the gut holes 3 and 4 is reduced to 1/2 There is an advantage that it can be formed narrowly.

A position measuring means 60 provided on the side plate 42 for measuring the position of the support plate 43 and a position measuring means 60 for measuring a position of the support plate 43 A control unit 80 is provided to control the operation of the elevation driving means 70 so as to follow the control of the side plate 42. When the user adjusts the position of the supporting plate 43, It is possible to form the second sprouting hole 4 at the center of the front-rear direction position of the first sprouting hole 3 formed so as to be spaced apart in the forward and backward direction by raising and lowering the elevating guide roller 55 via the first sprocket 1 There are advantages to be able to.

The second upper guide roller 52 is connected to the auxiliary lift driving means 90 for moving up and down the second upper guide roller 52. When the second upper guide roller 52 is lowered, Only the first sprouting holes 3 are formed in the first sprocket 1 so that the gaps between the sprouting holes 3 and 4 can be adjusted sufficiently wide.

10. Uncoiler 20. Recoiler
30. Support 40. Punching unit
50. Guide roller 60. Position measuring means
70. Lifting drive means 80. Control unit
90. Auxiliary lift mechanism

Claims

An uncoiler 10 on which the mulching film 1 wound on the circumferential surface is released,
A recoiler 20 for winding up the mulching film 1 unwound from the uncoiler 10,
A support base 30 disposed at an intermediate portion of a path through which the mulching film 1 passes,
A punching unit 40 provided on the support 30 to form glow holes 3 and 4 at a predetermined interval in the mulching film 1,
Guide rollers (51, 52, 53, 54, 55) provided on the support base (30) and guiding the middle portion of the mulching film (1) to pass through a lower circumferential portion of the punching unit (40)
The punching unit (40)
A rotation shaft 41 extending laterally to the support base 30,
A pair of side plates 42 provided at both ends of the rotary shaft 41,
A plurality of support plates 43 having a plurality of perforation cutters 43a for forming glow holes 3, 4 on the mulching film 1 when the both ends thereof are coupled to the side plate 42,
And a position adjusting means 44 provided on the side plate 42 and connected to the supporting plate 43 for adjusting the position of the supporting plate 43 in the radial direction from the central portion of the side plate 42 to the outside, In this case,
The guide rollers 51, 52, 53, 54, 55)
First and second upper guide rollers 51 and 52 provided on the upper side of the punching unit 40 so as to be spaced apart from each other in forward and backward directions,
First and second lower guide rollers 53 and 54 provided below the punching unit 40 and spaced apart from each other in the forward and backward directions,
And an elevating guide roller (55) provided on the lower side of the first and second lower guide rollers (53, 54)
The elevating guide roller 55 is connected to an elevating driving means 70 for elevating the elevating guide roller 55,
The mulching film 1 unwound from the uncoiler 10 is guided by the upper circumferential portion of the first upper guide roller 51 and the front circumferential portion of the punching unit 40 and the first lower guide roller 53 The lower circumferential portion of the elevating guide roller 55, the upper circumferential portion of the second lower guide roller 54, the rear circumferential portion of the punching unit 40, Is wound on the recoiler (20) after passing the upper circumferential portion of the guide roller (52).

The method according to claim 1,
Position measuring means (60) provided on the side plate (42) for measuring the position of the support plate (43)
A control unit 80 for controlling the operation of the elevation driving means 70 so as to follow the position of the supporting plate 43 when the operator receives the signal of the position measuring means 60 and adjusts the position of the supporting plate 43 to the inside and outside of the side plate 42 ). &Lt; / RTI >

The method according to claim 1,
Further comprising auxiliary lift driving means (90) connected to the second upper guide roller (52) for moving the second upper guide roller (52) up and down.