KR101318379B1 - Boring Device of Mulching Film - Google Patents

Abstract

The present invention relates to a mulching film punching machine, comprising: a rotating plate which is integrally rotated with a rotating shaft of a motor, and a punching knife which is configured at an upper portion of the rotating plate and is spaced apart from a center of the motor rotating shaft at a predetermined interval. A perforation forming portion which protrudes higher and has a central head composed of a steeple with a central portion; Supporting the perforated forming part, the support bracket is composed of a support frame and rotates around the support frame, the support bracket is formed integrally with the rotating bracket, the side is coupled to the support bracket and the upper surface is coupled to the perforation forming unit A bracket consisting of a connection bracket; A slide frame supporting the bracket, and a support bar inserted into the slide bar to expand and contract the slide bar to the outside, and a support frame configured between the feed rollers producing the mulching film; It is possible to reduce the manpower at the farming site by not drilling at the farming site, and to vary the location, diameter, and spacing of the through-hole according to the width of the mulching film. It works.

Description

Boring Device of Mulching Film

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mulching film perforator, and more particularly, to a mulching film perforator for drilling through-holes for transplanting seedlings of a crop in a mulching film used for growing a crop.

In general, mulching refers to covering the surface of arable soil when growing crops, and mulching film refers to a thin film made of a material such as vinyl. It is used for the purpose of inhibiting weed growth, preventing soil infectious germs, and preventing soil contamination, and also prevents the cultivation of arable soil due to rain.

Generally, when cultivating crops, a mulching film is placed on the ridges to suppress weed growth and the moisture and nutrients of the soil do not evaporate, and the seedlings of the crops are transplanted to the cut portions by cutting the surface of the mulching film.

Referring to the transplant operation of such crops in more detail,

Cover the soil for crop cultivation with a covering, or mulching film, and then perforate the surface of the mulching film at equal intervals, and then sowing the seeds of the crop on the mother house such as a vinyl house, so that the crops can grow to an appropriate size. Grow the seedlings grown in the perforation.

In the method of perforating the mulching film, the ropes of a predetermined length are knotted at equal intervals so that the knots are arranged at equal intervals along the rope length, and then the ropes are pulled and fixed along the longitudinal direction of the soil to be mulched.

When the mulching film corresponding to the knots of the rope is drilled and the covering drilling operation is completed, the seedlings are drilled and transplanted to the exposed soil, and the gap between the drilling area and the drilling position indicates the growth of the crop. Consider and adjust appropriately

Looking at the mulching film perforator described in the prior art Utility Model Publication No. 20-0427406 for punching the mulch film,

A perforated member formed downwardly open at the lower side and having an open groove formed downwardly inclined when viewed from the side; A connecting member fixed to the connecting rod in a longitudinal direction above the perforating member, and a handle member coupled to an end of the connecting rod; Inside the open groove of the perforated member to discharge the foreign matter introduced, and is provided to be movable inside the open groove and the discharge plate having an air discharge hole on the surface, one side is fixed to the discharge plate and the other side through the inside of the connecting rod A discharge member which is inserted to be movable up and down and has an end portion protruding outward from a long hole formed on an outer surface of the connecting rod; It is fixed to the connecting rod and a plurality of fixing members for moving the movable rod of the discharge member; is composed of.

The prior art as described above has a problem in that the efficiency of work in the field is reduced by covering the mulching film at the site of the vinyl house and the like and then punching the mulching film at equal intervals.

In addition, the prior art has a problem that a user using a mulching film must own a perforator of the prior art separately.

In addition, the prior art is a perforation by the knot of the rope, but in fact the perforation of the human by the knot, there is a problem that the spacing and the straight line of the through-holes are not kept constant.

In addition, the prior art has a problem that the growth conditions of the crops are not uniform due to the non-uniformity of the through holes, such as nutrients supplied to the crops.

The present invention has been made to solve the above problems of the prior art, comprising a support frame between the conveying roller to produce a mulching film, constituting a bracket supported by the support frame to be supported on the bracket and the puncture knife is configured By forming the forming part, the position of the through hole is varied according to the width of the mulching film by the movement of the punch forming part, the diameter of the through hole is changed by the gap of the punching knife, and the distance between the punch forming part and the support frame is adjusted. As the spacing of the through holes is changed, the punching knife is rotated during the production of the mulching film, so that the through holes of the mulching film are drilled to reduce the manpower of field work such as a plastic house. The present invention provides a mulching film perforator capable of producing a mulching film composed of balls.

In the mulch film perforator according to the present invention, the mulching film perforator, a perforated forming unit consisting of a rotating plate which is integrally rotated with the rotating shaft of the motor, and a punching knife which is configured on the upper portion of the rotating plate and spaced apart from the center of the motor rotating shaft at a predetermined interval; A bracket for supporting the perforation forming unit; To support the bracket, it is composed of a support frame configured between the conveying roller to produce a mulching film.

In addition, the present invention is that the punch forming portion and the bracket is composed of a plurality of the plurality of punch forming portion and the bracket is configured to be opposed to each other on the basis of the support frame.

In addition, the present invention is the perforated forming portion is configured at the end of the motor shaft, protruding higher than the perforating knife, the central portion is further composed of a spire with a central portion.

In addition, the present invention is the bracket is configured in the support frame to rotate the rotation bracket around the support frame, the support bracket consisting of a rotating bracket and integrally, the side is coupled to the support bracket and the upper surface is coupled to the perforated forming portion It is composed of connecting brackets.

In addition, the present invention is composed of a support bar, the support frame is a slide bar for supporting the bracket, the slide bar is inserted into the slide bar is stretched to the outside.

In addition, the present invention is composed of a plurality of insertion grooves the rotary plate is spaced at a predetermined interval on the top and inserts a punch knife.

In addition, the present invention is a coupling groove is formed in the connecting bracket in the longitudinal direction of the support frame in the vertical direction through, and the support bracket and the connection bracket is coupled by a bolt penetrating the coupling groove.

In addition, the present invention is the perforated portion is configured between the rotating plate and the connecting bracket, is fixed to the connecting bracket, a flange protruding upward on the edge of the original plate, the rotating plate cover is further configured therein.

The mulching film perforator according to the present invention is composed of a mulching film perforator between the transfer roller to produce a mulching film, the through-hole for transplanting the seedlings of the crop is drilled at the time of production of the mulching film is not a farming site This has the effect of reducing manpower at

In addition, the present invention has the effect of varying the position of the through-hole according to the width of the mulching film by the movement of the punch forming portion formed by the drilling knife by the expansion and contraction of the slide bar.

In addition, the present invention has the effect that can vary the diameter of the through-hole by the change of the spacing of the drilling knife.

In addition, the present invention has the effect of changing the interval of the through-hole by adjusting the distance between the hole forming portion and the support frame.

In addition, the present invention has the effect of producing a mulching film that is composed of through holes having different diameters, intervals and positions of the through holes of the mulching film to produce a suitable mulching film according to the characteristics of the cultivated crop.

1: Production conceptual diagram of a general mulching film.
Figure 2 is a state of using a mulching film cutting fold when producing mulching film.
3 is a perspective view of a perforator of the present invention.
4 is a perspective view of the perforated portion of the present invention.
5 is a schematic cross-sectional view of the present invention.
6 is a perspective view of the present invention mounted on the mulching film production process.
7: Mulching film back state produced by the present invention.
8 is a front view of the mulching film produced by the present invention.
9 is an unfolded state diagram of the mulching film produced by the present invention.
10: Unfolded state of the two-color mulching film produced by the present invention.

Hereinafter, embodiments of the present invention will be described in detail.

The production conceptual diagram of the general mulching film of FIG. 1, the state of use of the mulching film cutting and welding machine when producing the mulching film of FIG. 2, the perspective view of the punching machine of the present invention of FIG. 3, the perspective view of the punching forming part of the present invention of FIG. Fig. 6 is a schematic cross-sectional view of the invention, a perspective view in which the present invention of FIG. 6 is mounted on a mulching film production process, a mulching film state diagram produced according to the present invention of FIG. 7, a frontal state diagram of a mulching film produced according to the present invention of FIG. 8, FIG. The state figure which unfolded the mulching film produced by this invention of 9, and the state figure which unfolded the two-color mulching film produced by this invention of FIG. 10 are demonstrated.

The film to which the mulching film punching machine 50 of the present invention is applied is applied to the production of all synthetic resin mulching films such as the monochromatic mulching film 20 and the two-color mulching film 20 ', and as an example, the agricultural two-color mulching film 20 ') Briefly explain the production process.

Mulching film forming nozzle for extruding the melted resin melted and extruded in the first extruder 1 and the second extruder (not shown in parallel with the first extruder) and the first and second extruders each having a hopper and a heater ( A plurality of rollers to completely fold the two-color cylindrical tube narrowed with the guide plate 4 for narrowing the upper part of the cylindrical two-color cylindrical tube raised in 2), so as to make a two-ply two-color mulching film 20 '; It consists of the winding machine 7 which winds the completed two-color mulching film 20 'on a roller.

The first synthetic resin chip into the hopper of the first extruder 1 and the second synthetic resin chip having a different color from the first synthetic resin into the hopper of the second extruder are respectively used as heaters of the first and second extruders, respectively. When melted at 180 ~ 220 ℃ and extruded to each extrusion screw, the melted synthetic resin is extruded through the mulching film forming nozzle (2) while being extruded upward into a small diameter cylindrical tube.

When the small diameter cylindrical tube extruded upwardly through the mulching film forming nozzle 2 is raised and air is supplied into the small diameter cylindrical tube through the blower, the cylindrical tube 3 having a predetermined diameter is expanded by the air pressure blown. It is formed continuously.

The cylindrical tube (3) is guided in a state in which the front and rear surfaces are adjacent to each other by the inclined guide plate (4) having a constant inclination angle so that the upper part is squeezed, and the internal air is completely removed by the narrowing roller (5). Then, it becomes a half-width two-ply two-color mulching film 20 ', which is conveyed through various auxiliary rollers 6, and wound on the winder 7.

For example, when the black is put into the hopper of the first extruder 1 and the green is put into the second extruder, the two-color mulching film 20 ', which is partially black and partially green, is molded.

The first and second melted resins are high density polyethylene (HDPE), low-density polyethylene (LDPE), nylon (Nylon), polyvinylidene chloride (PVDC: Polyvinylidene chloride) and ethylene vinyl alcohol copolymers. (EVOH: ethylene vinylalcohol copolymer).

In the present invention, the back surface of the mulching film is cut in the longitudinal direction by the mulching film cutting and welding machine 30 formed in the production process of the monochromatic film and the bicolor mulching film formed of the front film 21 and the back film, and the cut part The left and right folded back portions 25 are inserted into the cutouts of the mulching films 20 and 20 ', and are inserted between the front film 21 and the back film of the mulching films 20 and 20'. Or the back side is inserted into the cut part in the cut-off mulching film, and during the production of the mulching film (20, 20 ') to rotate and rotate together during the movement of the mulching film (20, 20') Perforations 24).

The mulching film cutting and folding machine 30 is composed of a cutting knife 32 protruding on the front upper portion of the flat contact plate 31 wider than the lower portion and a pair of left and right on the rear of the back contact plate 31. And the upper width is larger than the width of the backing plate 31 so as to protrude to the outside of the backing plate 31 and the lower part is vertically formed by the backing machine 34, which is moved in the horizontal direction by the guide of the guide rod 38. do.

The mulching film cutting and folding machine 30 is spaced apart from the backing plate 31, each of which is integrally formed with the backing portion 25, is configured of the '' 'shape, one side of the front surface of the backing plate 31. Side of the back of the back contact plate 31, the middle surface of the back contact control part 33 of the shape that surrounds one side of the back contact plate 31 is configured to adjust the left and right opening width of the back contact control part 33 is the width of the back contact width Adjusted.

In the production of the mulching films 20 and 20 ', the cutting knife 32 of the mulching film cutting and folding machine 30 cuts the back film of the two-ply mulching film in the longitudinal direction, and the folding machine 34 cuts. Some of the end faces are folded.

When the mulching film 20, 20 'is cut in the longitudinal direction by the mulching film cutting fold 30, the cut portion is biased to any one edge of the longitudinal direction of the mulching film (20, 20') The rear portion is composed of a long rear portion 22 and a short rear portion 23 and cut.

The mulching film puncher 50 of the present invention comprises a punch forming part 60, a bracket 70, a support frame 80 and the punch forming part 60 is a motor 61, a rotating plate 62, a punch knife ( 63), the center head 64, the rotary plate cover 65, the insertion groove 66, etc., the detailed configuration, the bracket 70 is the rotary bracket 71, the support bracket 72, the connection bracket (73) And, it is composed of a detailed configuration such as the coupling groove 74, the support frame 80 is composed of a detailed configuration, such as the slide bar 81, the support bar 82.

The perforation forming unit 60 of the present invention comprises a rotating plate 62 which is integrally rotated with the rotating shaft of the motor 61, and is formed on the rotating plate 62 and spaced apart from the center of the rotating shaft of the motor 61 by a predetermined interval. It consists of the knife 63.

The rotating plate 62 is a disc having a slight thickness, the center of which is integrally formed with the rotating shaft of the motor 61 and integrally rotated by the rotation of the rotating shaft of the motor 61, and the upper surface forms a constant width and height. And a protrusion that protrudes crosswise, that is, a '+' shape, and the center of the protrusion is configured to coincide with the center of rotation of the motor 61, that is, the disc.

The drilling knife 63 is formed on the upper surface of the rotating plate 62, that is, the upper surface of the protrusion, and is formed to protrude on the upper surface of the protrusion spaced apart from the center of the rotation axis of the motor 61, that is, the rotating plate 62 at regular intervals.

The punching knife 63 may be respectively configured on the upper surface of the protrusion, or may be configured on one protrusion or two opposing protrusions, respectively.

That is, when the punching knife 63 is formed in each of the two protrusions, the spacing of the punching knife 63 is 180 ° so that the drilling speed is reduced to 1/2 than that of the punching knife 63 in the one protrusion. When the punching knife 63 is formed in each of the '+' type protrusions, the interval of the punching knife 63 is 90 °, and the punching speed is 1/4 than that of the punching knife 63 in one protrusion. Will be reduced.

When the production speed of the mulching film (20, 20 ') is relatively faster than the speed of forming the through hole 24, or if the interval of the through hole 24 is small, it is necessary to drill in a short time, so a plurality of punch knives It is configured to (63) to reduce the puncture time.

The plurality of punch knives 63 are all composed of the same distance from the center of the rotation axis so that all the punch knives 63 are rotated even if all the punch knives 63 rotate about the rotation axis is a concentric circle The mulching films 20 and 20 'are cut to have the same diameter so as to be one through hole 24 formed by all the punch knives 63.

The bracket 70 supports the perforation forming unit 60, and the support frame 80 supports the bracket 70 and is configured between the transfer rollers for producing the mulching films 20 and 20 '. 20, 20 'in the production of the drilling knife 63 is rotated by the rotation of the rotating shaft of the motor 61, the through-hole 24 of the mulching film (20, 20') is drilled.

The bracket 70 of the punch forming portion 60 is coupled to the support frame 80 by a bearing so that the bracket 70 revolves around the support frame 80 to form the punch forming portion 60. Revolve around the support frame (80).

The drilling knife 63 revolves around the rotating shaft by the rotation of the rotating shaft of the motor 61, so that the drilling knife 63 revolves and rotates based on the support frame 80.

The rotation of the punch knife 63 is made by the rotation axis of the motor 61, the revolution of the punch knife 63 is punched with the mulching film (20, 20 ') during the production of the mulching film (20, 20') The mulching films 20 and 20 'advance in the state where the forming portions 60 are in close contact with each other so that the mulching films 20 and 20' pull the perforation forming part 60 to advance the mulching films 20 and 20 '. Pulling in the direction is to act to the perforation forming unit 60 is revolving.

Therefore, one through hole 24 is formed by one revolution of the punch forming part 60 and one rotation of the punch knife 63.

When the plurality of perforation forming units 60 are configured, a plurality of through holes 24 may be formed during one rotation of the entire mulching film perforator 50.

That is, the punch forming portion 60 and the bracket 70 is composed of a plurality, respectively, a plurality of punch forming portion 60 and the bracket 70 are configured to face each other based on the support frame 80, the punch forming portion When the 60 revolves about the support frame 80 once, the plurality of through holes 24 are drilled in the mulching films 20 and 20 '.

When the perforation forming unit 60 is composed of two, each of the perforation forming unit 60 is configured to face 180 degrees so that the perforation forming unit 60 rotates to the center of the support frame 80. The punch knife 63 formed in the punch forming part 60 is also rotated so that each punch forming part 60 forms through holes 24 in the mulching films 20 and 20 ', respectively.

The production speed of the mulching film (20, 20 '), the spacing of the drilling tool, that is, the production conditions of the mulching film (20, 20') and the mulching film (20, 20 ') is composed of one punch forming portion 60 and If the same and the two forming holes 60 are formed, the interval of the through holes 24 is 1/2 of the interval of the through holes 24 formed by the configuration of one drilling forming part 60.

When the perforation forming unit 60 is composed of three, each perforation forming unit 60 is configured to be 120 °, and when the perforation forming unit 60 is constituted by four, each of the perforating forming units 60 is formed. Is configured to face 90 °.

Therefore, the production speed of the mulching film (20, 20 '), the spacing of the drilling tool, that is, the production conditions of the mulching film (20, 20') is a mulching film (20, 20 ') consisting of one punch forming portion 60 In the same manner as in FIGS. 3 and 3, the spacing of the through holes 24 becomes 1/3 of the spacing of the through holes 24 formed by the configuration of one punch forming part 60. When the four perforation forming parts 60 are configured, the spacing of the through holes 24 becomes one quarter of the spacing of the through holes 24 formed by the configuration of one perforation forming part 60, and the mulching film ( 20, 20 ') of the space spacing can be adjusted.

In other words, it is possible to adjust the spacing of the through-holes 24, so it is easy to adapt the spacing of the through-holes 24 according to the characteristics of the cultivated crops to close or plant the planting distance.

The perforation forming unit 60 is further composed of a central nib 64, the central nib 64 is configured at the end of the rotation axis of the motor 61, protrudes higher than the drilling knife 63, the central portion is a steeple It is composed.

The central tip 64 is conical and the tip of the cone is composed of a needle-like spire so that when the punching knife 63 punches the mulching films 20 and 20 ', the central tip 64 is punching knife 63. It passes through the center of the through hole 24 of the mulching film (20, 20 ') before.

More specifically, the spire of the central portion penetrates through the center of the through hole 24 of the mulching film 20, 20 ′ prior to the drilling knife 63 and is rotated by the drilling knife 63. Since the mulching films 20 and 20 'also advance in the longitudinal direction at the same time, the mulching films 20 and 20' do not slide in the longitudinal direction, that is, the mulching films 20 and 20 ' It is fixed so as not to slide so that the perforation forming part 60 and the mulching films 20 and 20 'may be integrated.

As the center tip 64 fixes the mulching films 20 and 20 ', the mulching films 20 and 20' are not slid, so that the through-hole 24 is not formed in an elliptical shape and is cut in a circular shape.

The bracket 70 is composed of a rotation bracket 71, the support bracket 72 and the connection bracket 73, the rotation bracket 71 is composed of a support frame 80 to the center of the support frame 80 Rotating, the support bracket 72 is integrally formed with the rotary bracket 71 to rotate integrally with the rotary bracket 71, the connection bracket 73 is coupled to the support bracket 72 and the upper surface is perforated It is coupled to the portion 60 and rotates integrally with the support bracket 72.

The rotating bracket 71 and the support bracket 72 are integrally formed, the support bracket 72 and the connection bracket 73 are coupled, and the connection bracket 73 is coupled to the perforation forming unit 60 to rotate the bracket ( 71) and the support bracket 72 and the connection bracket 73 is revolved around the support frame 80, i.e., the bracket 70 is rotated around the support frame 80 so that the perforation forming unit 60 is perforated. The forming unit 60 rotates or revolves around the support frame 80.

In order to reduce vibrations due to revolutions when the punching forming part 60 is idle, the punching forming part 60 may be configured in plural numbers, but may be configured in an even number, that is, 4 or 6 pieces.

Even when the plurality of punching forming parts 60 are configured, the punching knife 63 may be configured in one punching forming part 60 or two punching forming parts 60 as necessary.

The more the quantity of the punching forming part 60 is configured, the more vibration reduction effect can be seen. However, since the production cost and the configuration become more complicated, it is preferable to configure the 4 punching forming parts 60.

A coupling groove 74 is further formed in the connection bracket 73. The coupling groove 74 is formed as a long groove penetrating up and down in the frame direction, and a bolt and a through hole are formed at the upper center of the support bracket 72. do.

The through hole is formed through the upper center of the support bracket 72, the bolt is inserted through the bolt is penetrated through the through hole and positioned in the coupling groove 74 through the coupling groove 74 through the connection bracket (73) Combined with.

The support bracket 72 and the connection bracket 73 are coupled by tightening the bolt penetrating the coupling groove 74, and the hole is formed by tightening the bolt according to the position of the long groove of the coupling groove 74. 60, the support frame 80 and the distance is adjusted.

That is, the bolt is located in the coupling groove 74, the coupling groove 74 is slid up and down at the outer diameter of the bolt so that the support bracket 72 is fixed to the support frame 80, the support bracket 73 is a support bracket The perforation forming part 60 is moved away from or close to the support frame 80 by being relatively raised or lowered relative to the 72.

Therefore, the circumferential rotation by one revolution of the punch forming portion 60 is lengthened or shortened by the distance from the support frame 80 to the punch forming portion 60, or the shortening of the punch forming portion 60. The spacing of the through holes 24 through which the knife 63 penetrates also becomes long or shortened, so that the spacing between the mulching films 20 and 20 'through holes 24 is changed.

In this case, the punch forming portion 60 is configured in plural and the punching knife 63 is used for one punch forming portion 60 or the punching knife 63 is used for each of the plurality of punch forming portions 60. Even if it is configured so that the interval between each punch forming portion 60 and the support frame 80 are all the same.

When the gap between the hole-forming portion 60 and the support frame 80 is the same, all the gaps of the through-holes 24 should be the same, and if any one gap of the hole-forming portion 60 is different, different holes The through hole 24 drilled by the forming unit 60 has a smaller or larger distance from the through hole 24 drilled by the other hole forming unit 60.

That is, since the interval between the perforation forming unit 60 and the support frame 80 is a radius to form a circumference

The spacing of the through holes 24 is changed by the radii of the different spacing of the perforation forming part 60.

Rotating plate cover 65 is further configured in the perforation forming unit 60, the rotating plate cover 65 is composed of a bottom surface of the disk and the edge of the disk is composed of a flange protruding upward.

That is, the rotating plate cover 65 is configured in the shape of '┗━━┛' between the rotating plate 62 and the connecting bracket 73, is fixed to the connecting bracket 73, formed of a disc and a flange The rotating plate 62 is located inside.

Since the flange is configured at the edge of the disc, the flange is formed in a ring shape, the rotating plate 62 is configured inside the flange, and the punching knife 63 configured in the rotating plate 62 is also configured inside the flange.

When the punching knife 63 forms the mulching films 20 and 20 'through holes 24, the flange is in close contact with the edges of the mulching films 20 and 20' having a larger area than the through holes 24. The punching knife 63 drills the through-hole 24 of the mulching film 20, 20 'more smoothly so that the part of the mulching film 20, 20' to be drilled in close contact with the (20, 20 ') becomes flat. To do it.

The support frame 80 is composed of a slide bar 81 and a support bar 82, the slide bar 81 is composed of a long columnar support for the bracket 70, the support bar 82 is The slide bar 81 is inserted into the hollow long cylindrical, rectangular cylindrical or polygonal cylindrical shape.

The support bar 82 is configured such that the slide bar 81 is stretched to the outside, that is, the slide bar 81 is interleaved and slidable therein so that the slide bar 81 is stretched to the outside of the support bar 82. The exposed length of the slide bar 81 is configured to be adjusted.

The slide bar 81 is formed in a circumferential shape having a circular cross section, and the outer circumferential surface of the slide bar 81 and the rotation bracket 71 are bearing-fastened by bearings, so that the rotation bracket 71 moves the slide bar 81. By revolving around the center of the perforation forming unit 60 is the slide bar (81).

That is, the inner diameter of the bearing is coupled to the outer diameter of the slide bar 81 so that the inner ring of the bearing rotates, and the outer diameter of the bearing is integrally formed with the rotary bracket 71 so that the rotary bracket 71 is the slide bar 81. Orbit around).

The slide bar 81 slides inside the support bar 82 to expand and contract the outside of the support bar 82, that is, the slide bar 81 is exposed to the outside of the support bar 82. The hole forming portion 60 extrapolated and revolved by 81 is moved by the exposed length of the support bar 82.

The position of the through hole 24 according to the width of the mulching films 20 and 20 ′ is changed as much as the length of the perforation forming unit 60 is moved to vary the position of the through hole 24.

Since the position of the through hole 24 can be changed, the distance to the left edge or the right edge of the mulching films 20 and 20 'can be adjusted with the center of the through hole 24 according to the characteristics of the cultivated crop. Position adjustment of the through hole 24 is easy.

The rotating plate 62 is composed of an insertion groove 66, the insertion groove 66 is a drill knife 63 is inserted, spaced at a predetermined interval on the upper portion of the rotating plate 62, that is, at a predetermined interval on the upper portion of the protrusions It consists of a number of spaced apart.

The insertion groove 66 is formed at regular intervals on the upper part of the protrusion from the rotation axis of the motor 61, that is, the central nib 64, and is formed through the gap of the punching knife 63 inserted into the insertion groove 66. The diameter of 24 is changed.

The drilling knife 63 is formed in the insertion groove 66 away from the center nib 64 and the insertion hole 66 proximate the through-hole 24 formed by the drilling knife 63 and the center nib 64. The through knife 24 is formed in the) and the through hole 24 formed by the adjacent punch knife 63 is different in diameter.

That is, since the through hole 24 is formed by the rotation of the punch knife 63, the distance between the center tip 64 and the punch knife 63 becomes the diameter of the through hole 24 so that the punch knife 63 is in close proximity. The through hole 24 formed by the diameter is configured to be relatively smaller than the diameter of the through hole 24 formed by the distant blade.

The diameter of the through hole 24 can be changed by the distance of the punch knife 63, and according to the characteristics of the cultivated crop, it is easy to adapt to the size of the through hole 24.

The through holes 24 of the mulching films 20 and 20 'to be drilled by the punch knife 63 of the punch forming portion 60 are drilled in one row, but the punch knife 63 is supported on the support bar 82. When the perforated forming unit 60 is configured, and the perforating forming unit 60 is configured with another punching knife 63 spaced apart by a predetermined distance from the perforated forming unit 60, that is, the support bar 82 is spaced apart. When the two forming holes 60 are formed to drill the through holes 24 of the mulching films 20 and 20 ', the through holes 24 are drilled in two rows.

In addition, by adjusting the spacing of the perforation forming unit 60 formed in the support bar 82, it is possible to adjust the spacing of the rows of the through-holes 24, ie in a row of zigzag of the blades of the two perforations forming section When the blade is formed in the punch forming portion, the blade is not formed in the two rows of punch forming portions adjacent to the blade, and when the mulching film is produced, the mulching film is perforated through the two rows of supporting jags.

Therefore, the perforation forming unit 60 can be formed in two rows and three rows at the same time as necessary to drill two rows and three rows of through-holes 24 at the same time, as well as the interval between the rows and columns of the through-holes 24 at equal intervals or It can also be adjusted randomly at inequality intervals.

The present invention as described above is not a perforation in the agricultural field, manpower is reduced in the agricultural field, the position and diameter and spacing of the through-hole 24 according to the width of the mulching film (20, 20 ') is varied According to the characteristics of the cultivated crops, mulching films 20, 20 'with suitable through holes 24 are produced.

Although the present invention has been described as described above, the present invention is not limited to the embodiments and drawings disclosed in the specification of the present invention, and various changes may be made by those skilled in the art within the scope of the technical idea of the present invention. Such modifications should be included in the rights of the present invention as they may be made.

20, 20 ': mulching film 21: front film
22: long back portion 23: short back portion
24: through hole 25: contact part
30: mulching film cutting and folding machine 31: backing board
32: cutting knife 33: stomach adjustment unit
34: backfold 38: guide rod
50: mulching film punching machine 60: punching forming portion
61: motor 62: rotating plate
63: punching knife 64: center tip
65: rotating plate cover 66: insertion groove
70: bracket 71: rotating bracket
72: support bracket 73: connection bracket
74: coupling groove 80: support frame
81: slide bar 82: support bar

Claims (8)

In the mulching film perforator,
A perforation forming unit configured to rotate integrally with the rotating shaft of the motor and have a '+' shaped protrusion formed on the upper surface thereof, and a punching knife formed on the protrusion of the rotating plate and spaced apart from the center of the rotating shaft by a predetermined distance;
The support bracket is rotated around the support frame as a central axis, the support bracket is formed integrally with the rotation bracket, and a long coupling groove is formed in the vertical direction of the support frame in the direction of the support frame. A bracket configured to be coupled and having an upper surface coupled to the perforation forming part to support the perforation forming part;
A slide frame inserted into the rotating bracket to support the rotating bracket, and a support frame inserted between the slide bar is inserted into the slide bar and the slide bar is stretched outward to produce a mulching film;
By tightening the bolt according to the position of the coupling groove is adjusted the distance between the support frame and the support frame, the distance of the through-hole is changed, the bracket is rotated around the support frame during the production of the mulching film to rotate the hole forming unit, motor The punching knife is rotated by the rotation of the rotating shaft to punch the through hole of the mulching film, and the punching forming part is moved by the external expansion and contraction of the support bar so that the position of the through hole according to the width of the mulching film is changed. Film perforator. The method of claim 1,
The perforation forming part and the bracket are each configured in plural, and the perforation forming part and the bracket are configured to face each other based on the support frame;
And a plurality of through holes formed in the mulching film when the punch forming unit revolves about the supporting frame once. 3. The method according to claim 1 or 2,
The perforation forming portion is configured at the end of the motor shaft, and is configured to protrude in a conical shape higher than the perforating knife, and the center tip of the conical end portion is further configured with a spire like needle;
The mulching film puncher, characterized in that when the punching knife punches the mulching film, the center tip penetrates the center of the through hole before the punching knife to fix the mulching film so as not to slide. delete delete 3. The method according to claim 1 or 2,
The protrusions of the rotating plate are spaced apart at regular intervals on the upper portion and comprises a plurality of insertion grooves for inserting a punch knife;
Mulching film perforator, characterized in that the diameter of the through-hole is changed by the interval of the punching knife inserted into the insertion groove. delete 3. The method according to claim 1 or 2,
The perforation forming part is configured between the rotating plate and the connecting bracket, and is fixed to the connecting bracket, the flange protruding upward at the edge of the original plate, the rotating plate cover is further configured therein;
The mulching film puncher, characterized in that the flange is in close contact with the mulching film when the punching knife forms the mulching film through-holes to be flattened.

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