KR20030075731A - Perforated hoses, and apparatus for producing said perforated hoses - Google Patents

Abstract

PURPOSE: A PE knitted fabric perforated hose, and production apparatus for the PE knitted fabric perforated hose is provided to induce a laser beam in length and width directions of the hose, and to focus the laser beam on a surface of the hose, to form various patterns of holes on the surface, thereby preventing a perforated state of the hose. CONSTITUTION: A printing unit(40) prints labels on a surface of a fabric(1) released from the fabric roll(10). A perforation unit(50) forms through holes by a laser beam on the fabric(1) passing through the printing unit(40). A cylinder forming unit(60) makes the fabric(1) passing through the perforation unit(50) in cylinder-shaped hose. A product roll(19) winds the complete hose. There are many sub rollers(71-78).

Description

Perforated hoses and apparatus for producing said perforated hoses

The present invention relates to a punching hose made of PE knitted material having a plurality of through holes drilled on its surface, and an apparatus for manufacturing the punching hose.

Perforated hose of so-called PE knitted fabric, so-called hemp fountain hose, is manufactured by coating both sides of the woven fabric, cutting it to a predetermined width, perforating and forming a cylindrical shape, and then applying and compressing the adhesive material in the longitudinal direction. The use of these boring hoses is rapidly increasing as the area of cultivation facilities is increased to reduce labor.

Conventionally, in order to drill through-holes on the surface of the above-mentioned drilling hose, as a mechanical method, a roller in which a drilling needle is embedded is pressed onto the surface of the hose. However, through-holes drilled by this mechanical method produce minute tears around the perforated through-holes due to the impact of physical forces generated from mechanical processing, which can withstand this pressure when high pressure is applied to the hose. There is a problem in that the periphery of the through-hole is ruptured and the function as a punching hose is lost.

In the case of PE knitted fabric, since the fabric is made of a material which is woven vertically and horizontally by thin bands and blades and is usually called a hemp, the perforated hole is formed when a through hole is formed by a mechanical method. Many fine cracks are generated and easily ruptured during use, particularly when the through-holes are punctured at the point between the strings or the strings.

Korean Patent Application No. 1991-20177 discloses a drilling method using a laser beam to solve the above problems. According to the patent, the laser beam is passed through the connecting lens using one reflector, and the laser beam passing through the connecting lens is irradiated onto the reflecting mirror of the polygon using another reflecting mirror. It is focused on the hose to be processed to form a hole.

However, the patent has a problem that the through holes drilled in the hose surface are processed only in a line along the longitudinal direction of the hose. That is, since the pattern of the through hole drilled in the punching hose should be changed according to the type of crop or the installation position in a facility such as a house, in order to form the through hole of various patterns, the width direction as well as the length direction of the hose is Perforation should be done.

In addition, since the punching device for drilling the through-hole in the hose is disposed separately from the hose manufacturing apparatus, there was a problem that the drilling work and the hose manufacturing work must be made separately in order to manufacture the drilling hose. Therefore, there is a problem in that the process of manufacturing the boring hose is complicated, time-consuming and low productivity.

The present invention has been invented to solve the problems as described above, the first object of the present invention is to guide the laser beam irradiated from the laser oscillation device in the longitudinal and width directions of the hose to focus on the hose surface Another object of the present invention is to provide a punching hose manufacturing apparatus capable of preventing a defect in a punching state even when a through hole is drilled on a fabric surface of a PE knitted fabric material by a laser drilling apparatus capable of forming through holes of various patterns on a surface thereof.

In addition, a second object of the present invention is to guide the laser beam irradiated from the laser oscillation device in the longitudinal and width directions of the hose to focus on the hose surface to form a through hole of various patterns on the hose surface Another object of the present invention is to provide a punching hose manufacturing method capable of preventing a defect in the punching state even when the through hole is punched on the fabric surface of the PE knitted fabric material by the punching device.

In addition, the third object of the present invention is to guide the laser beam irradiated from the laser oscillation device in the longitudinal direction and the width direction of the hose fabric to focus on the hose fabric surface to form through holes of various patterns on the hose fabric surface. To provide a PE knitted perforated hose.

1 is a schematic overall configuration diagram of a PE knitted punching hose manufacturing apparatus according to a preferred embodiment of the present invention,

Figure 2 is a schematic configuration of the main part of the drilling unit;

Figure 3 is a view showing a pattern of the through-hole perforated by the vinyl punching hose manufacturing apparatus according to a preferred embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

1: PE Knitting Fabric 10: Fabric Roll

19: finished product roll 40: printing unit

41: engraved roller 42: pressure roller

50: drilling unit 52: laser beam oscillator

54: x-axis reflection mirror 56: y-axis reflection mirror

60: cylinder forming unit 65: adhesive coating device

67 sensor 68 compression roller

According to one aspect of the present invention for achieving this object,

Fabric rolls; A printing unit for printing a label on the surface of the fabric released from the fabric roll; A perforation unit for forming a through hole in the fabric passing through the printing unit by a laser beam; A cylindrical forming unit for making the fabric passing through the drilling unit into a cylindrical hose; A finished roll for winding the finished finished hose; It comprises a plurality of auxiliary rollers, wherein the drilling unit, the front and rear guide rollers to guide the transfer of the fabric to facilitate the drilling operation, the laser beam oscillator for producing a laser beam, and rotates in the longitudinal direction of the fabric An x-axis reflecting mirror which is installed to reflect the laser beam from the oscillator, and is connected to the rotational axis of the x-axis reflecting mirror to drive the x-axis reflecting mirror at a speed synchronized with the moving speed of the fabric It is connected to the motor, the y-axis reflection mirror for irradiating the laser beam reflected from the x-axis reflection mirror to the surface of the far-end rotatable in the width direction of the fabric and the rotation axis of the y-axis reflection mirror, There is provided a drilling hose manufacturing apparatus comprising a step motor for rotating the y-axis reflection mirror by one step according to the pattern.

Here, the printing unit, the intaglio roller and pressure roller for printing a label on the surface of the fabric, a paint receiving member for receiving the paint to wet the paint, such as paint on the surface of the intaglio roller, It consists of a scraper for scraping off the paint on the portion other than the intaglio portion, the drilling unit is located between the laser beam oscillator and the x-axis reflection mirror to be drilled by adjusting the diameter of the laser beam emitted from the oscillator A telescope for controlling the size of the through hole, and a telecentric scan lens positioned between the y-axis reflecting mirror and the far end and for injecting a laser beam irradiated from the y-axis reflecting mirror perpendicularly to the far-end surface. The cylindrical forming unit rolls both edges of the flat fabric in cooperation with each other to form a hose shape. Cylindrical forming rollers and horizontal guide rollers to guide up, a plurality of conical rollers, an adhesive applying device for applying an adhesive to the overlapping portions of the hose-shaped fabric, and the right and left biasing of the hose-shaped fabric It is preferable that it consists of a sensor to detect and a pair of compression rollers which form a hose shape by crimping | bonding and bonding after an adhesive agent is apply | coated.

In addition, according to another aspect of the invention, the step of printing a label by the printing unit on the surface of the fabric released from the fabric roll; Directing a laser beam irradiated from the laser beam oscillator to the far-end fabric through the printing unit in the longitudinal and width directions of the far-end and focusing it on the far-end surface to drill a through hole of a predetermined pattern on the far-end surface; A method of manufacturing a punched hose is provided, comprising the step of winding the fabric passed through the punching unit into a cylindrical hose by a cylindrical forming unit, and winding the finished roll.

Further, according to another aspect of the present invention, by directing the laser beam irradiated from the laser oscillation device in the longitudinal direction and the width direction of the hose fabric of the PE knitted fabric material to focus on the hose fabric surface of the predetermined pattern on the hose fabric surface PE knitted boring hose is provided, characterized in that the through hole is formed.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the punching hose manufacturing apparatus according to the present invention.

As shown in Figure 1, the punching hose manufacturing apparatus according to a preferred embodiment of the present invention, for printing a label on the surface of the fabric roll 10, the fabric 1 released from the fabric roll 10 The laser beam irradiated from the printing unit 40 and the laser beam oscillator 52 are guided in the longitudinal direction and the width direction of the original fabric 1, and then a predetermined surface is formed on the surface of the original fabric 1 passing through the printing unit 40. A punching unit 50 for forming the through hole 1a in a pattern of a shape, a cylindrical forming unit 60 for turning the fabric 1 passed through the punching unit 50 into a cylindrical hose 2, A finished roll 19 is wound around the finished hose, and a plurality of auxiliary rollers 71 to 78 are included.

The printing unit 40, as shown in Figure 1, the intaglio roller 41 and the pressure roller 42 for printing a label on the surface of the fabric 1, the paint on the surface of the intaglio roller 41 It consists of a paint receiving member (43) for holding the paint to wet the paint, such as, and a scratcher (45) for scraping off the paint on portions other than the intaglio portion of the intaglio roller (41).

1 and 2, the drilling unit 50, the front and rear guide rollers 51 for guiding the transfer of the fabric 1 to facilitate the drilling operation, and the laser beam oscillator to produce a laser beam 52, a telescope 53 for adjusting the diameter of the laser beam emitted from the laser beam oscillator 52, and rotatably installed in the longitudinal direction of the distal end 1 to pass through the telescope 53. An x-axis reflecting mirror 54 for reflecting a laser beam and a rotational axis of the x-axis reflecting mirror 54 are installed to connect the x-axis reflecting mirror 54 at a speed synchronized with the moving speed of the far end 1. The drive motor 55 for rotating and the y-axis reflecting mirror for rotatable in the width direction of the original fabric 1 for irradiating the surface of the original fabric 1 with the laser beam reflected from the x-axis reflective mirror 54 And a rotation axis of the y-axis reflection mirror 56, the y-axis half in accordance with a predetermined pattern. A step motor 57 for rotating the mirror 56 step by step and a laser beam irradiated from the y-axis reflecting mirror 56 positioned between the y-axis reflecting mirror 56 and the far end 1 are disposed at the far end ( 1) a telecentric scan lens 58 for incidence perpendicular to the surface.

The telescope 53 controls the diameter of the laser beam, that is, the focal size, and controls the diameter of the laser beam according to the size of the through hole 1a to be drilled in the far end 1.

The x-axis reflecting mirror 54 is rotated along the xy plane with its rotational axis located at the z-axis on the drawing, and the y-axis reflecting mirror 56 has its yz plane with its rotational axis located at the x-axis on the drawing. Will be rotated along. Accordingly, the laser beam emitted is reflected and refracted through the x-axis reflecting mirror 54 and the y-axis reflecting mirror 56 to be irradiated to the fabric 1 so that the through hole 1a is formed in a predetermined pattern on the surface of the fabric 1. It is formed.

That is, when the fabric 1 is moved for continuous through hole 1a processing, the x-axis reflecting mirror 54 synchronized with the rotating shaft rotates about the rotational axis, thereby continuously changing the reflection angle of the laser beam. By tracking the distal end 1 moving through the fixed y-axis reflection mirror 56 it is possible to continuously irradiate the laser beam in one place. In addition, the y-axis reflecting mirror 56 varies the reflection angle by one step per cycle of the x-axis reflecting mirror 54 so that the position of the through hole 1a is formed in the radial direction with respect to the far end 1. Will change. Accordingly, the through hole 1a may be formed in a spiral pattern instead of the longitudinal direction with respect to the fabric 1.

Here, the cycle of the x-axis reflecting mirror 54 is preferably matched to the pulse width of the laser beam.

As described above, according to the drilling unit 50, the through-hole 1a is processed in the fabric 1 according to the number of rotation steps of the y-axis reflection mirror 56 and the rotation angle and the moving speed of the fabric 1 during one rotation. It is possible to change the pattern of, as an example, when the number of staff is four times and given a predetermined angle of rotation, as shown in Figure 2 through-hole pattern consisting of a group of four through-holes (1a) formed in different positions as shown in FIG. You can get it.

The telecentric scanning lens 58 is installed between the y-axis reflecting mirror 56 and the far end 1 so that the telecentric scan lens 58 is finally disposed according to the operation of the x-axis reflecting mirror 54 and the y-axis reflecting mirror 56. It adjusts when a change occurs in the incident angle of the laser beam incident on 1). The telecentric scan lens 58 has the incidence angle of the laser beam that changes according to the position of the through hole 1a to be processed on the surface of the fabric 1 regardless of the position where the through hole 1a is to be formed. It is always to be irradiated perpendicularly to the surface to thereby obtain a constant focus size on the fabric (1) surface at all times. That is, regardless of the position of the through-hole 1a to be processed, it is possible to always process the through-hole 1a of a constant size.

Herein, the control of the driving motor 55 and the step motor 57 for driving the laser pulse, the moving speed, and the driving of the x- and y-axis reflecting mirrors 54 and 56 is a pattern of a through hole to be formed. Since the integrated control is to be performed according to the present invention, the control system and the operation system can be constructed to facilitate the drilling operation by graphically displaying the through-hole pattern to be formed by creating a PC-based control system and a user menu on a window screen.

The cylindrical forming unit 60, as shown in Figure 1, the cylindrical forming roller 61 and the horizontal guide roller 62 for guiding to roll up both edges of the flat fabric in cooperation with each other to form a hose shape And a plurality of conical rollers 63, an adhesive applying device 65 for applying the adhesive to the overlapping portions of the hose-shaped fabric, and the adhesive so as to form a hose by pressing and adhering the adhesive. It consists of a pair of pressing rollers 68.

The tip of the adhesive applying device 65 is inserted between the overlapping portions of the hose-shaped fabric to apply the adhesive. The cylindrical forming unit 60 further includes a sensor 67 for detecting left and right deflection of the fabric forming the hose.

The sensor 67 is an optical sensor, and detects the left and right deflection of the fabric by measuring the degree of cover by the fabric by shining light on one side edge of the fabric to be transported.

When the deviation of the fabric is detected by the sensor 67, a signal is transmitted to the adhesive applying device 65 so that the front end 66 of the adhesive applying device is moved left and right to apply the adhesive at the correct position.

Hereinafter, a method of manufacturing a puncture hose according to a preferred embodiment of the present invention.

As shown in FIG. 1, the fabric 1 released from the fabric roll 10 is printed with a trademark or the like on its surface while passing through the printing unit 40. The paint, such as paint contained in the paint receiving member 43, is buried on the surface of the rotating roller 41 and then transferred to the hose. In this process, the paint applied to portions other than the intaglio portion of the intaglio roller 41 is removed by the scratcher 45, whereby a trademark or the like having a predetermined shape is printed.

As shown in FIG. 2, in which the fabric is conveyed from the left side to the right side of the drawing, through holes are formed in the fabric by a laser beam while passing through the drilling unit 50 in a predetermined pattern.

The laser beam irradiated from the laser oscillator 52 has an optimal diameter while passing through the telescope 53. The laser beam passing through the telescope 53 is reflected by the x- and y-axis reflection mirrors 54 and 56 and is focused on the surface of the hose fabric 1 while passing through the telecentric scan lens 58 which is a focusing lens. .

The x-axis reflection mirror 54 has a function of inducing a laser beam along the moving direction of the far end 1 by the operation of the drive motor 55, the rotational speed of the x-axis reflection mirror 54 is the far end ( 1) The shape of the laser beam irradiated to the surface is adjusted to be completely synchronized with the moving speed of the fabric 1 so that the shape of the laser beam is circular rather than elliptical.

In addition, the y-axis reflection mirror 56 is moved by one step according to the operation of the step motor 57 so that the laser beam is irradiated to the designated position by the number of through holes 1a to be machined in the width direction during one period of the pattern. Repeat the stop.

When one pulse is irradiated from the laser beam oscillator 52 while the y-axis reflecting mirror 56 is stopped as described above, the driving signal of the x-axis reflecting mirror 54 is operated at the same time as the laser pulse ON signal and the driving motor is operated. 55 is operated, and the x-axis reflecting mirror 54 is rotated to irradiate the laser beam while moving the laser beam in the moving direction of the far end 1 during the laser pulse time. Accordingly, one through hole 1a is drilled in the surface of the fabric 1.

When the laser beam irradiation is completed, the driving motor 55 reversely rotates to return the x-axis reflection mirror 54 to its original position, and the y-axis reflection mirror 56 rotates one step according to the operation of the step motor 57. It moves to the position of the through hole 1a to be processed next.

When the next through-hole 1a is prepared, one pulse is irradiated from the laser beam oscillator 52 as described above, and another through-hole 1a becomes another according to the traced perforation of the x-axis reflecting mirror 54. Perforated at the location.

This process is repeated continuously during the pattern of one cycle, and after the pattern of one cycle is completed, the y-axis reflecting mirror 56 returns to its original position according to the operation of the step motor 57 to prepare for the next drilling operation. Done.

The through-hole-formed fabric continues to form a hose while passing through the cylindrical forming unit 60, as shown in FIG. 7, in which the fabric is conveyed from the left side to the right side of the figure. The cylindrical roller 61 and the horizontal guide roller 62 of the cylindrical forming unit 60 roll up both edges of the original fabric and both sides of the original fabric rolled up by a plurality of conical rollers 33 installed downstream. Fold the edges so that both edges overlap each other.

The adhesive is applied to the folded and overlapped portions of the fabric by the adhesive applying device 65 from which the adhesive flows from the tip. Although it is preferable to use a PE adhesive agent as said adhesive agent, it is not limited only to it.

Here, when the front end of the adhesive applying device 65 is inserted between the overlapping portions of the hose-like fabric to apply the adhesive, the hose is biased from side to side and applied to portions other than the overlapped portion of the hose to In order to prevent the manufacturing state from being deteriorated, the cylindrical forming unit 60 further includes a sensor 67 for detecting left and right deflection of the fabric forming the hose.

As described above, the sensor 67 is an optical sensor, and detects the left and right deflection of the fabric by measuring the degree of cover by the fabric by shining light on one side edge of the fabric to be transported. When the deviation of the fabric is detected by the sensor 67, a signal is transmitted to the adhesive applying device 65 so that the front end 66 of the adhesive applying device is moved left and right to apply the adhesive at the correct position.

The fabric coated with the adhesive on the folded portion is pressed while passing through a pair of pressing rollers 68 to have a hose shape. The punching hose completed through the pressing roller 68 is wound around the finished roll 19 and stored and transported.

According to the manufacturing apparatus and the manufacturing method as described above, the laser beam irradiated from the laser oscillation apparatus is guided in the longitudinal direction and the width direction of the hose fabric to focus on the hose fabric surface to form through holes of various patterns on the hose fabric surface. The formed PE knitted perforated hose may be provided.

As described above, according to the present invention, by laser beam irradiated from the laser oscillation device in the longitudinal direction and the width direction of the hose to focus on the hose surface by laser drilling to form a through hole of various patterns on the hose surface The present invention provides a punching hose manufacturing apparatus and a manufacturing method which can prevent a defect in a hose punching state such as minute cracking around the through hole even when the through hole is drilled in a long piece of PE knitted fabric material during the manufacturing process. do.

In addition, according to the present invention, there is provided a PE knitted perforated hose in which the laser beam irradiated from the laser oscillation device is guided in the longitudinal direction and the width direction of the hose to focus on the hose surface to form through holes of various patterns on the hose surface. do.

Thus, two-axis reflective mirrors and telecentric scan lenses can be used to process a variety of perforation patterns, making them more useful in small batch production.

Claims (4)

A roll of cloth 10; A printing unit 40 for printing a label on the surface of the fabric 1 released from the fabric roll 10; A punching unit 50 for forming a through hole in the fabric 1 passing through the printing unit 40 by a laser beam; A cylindrical forming unit (60) for making the fabric (1) passed through the drilling unit (50) into a cylindrical hose (2); A finished roll 19 which winds up the finished finished hose; A plurality of auxiliary rollers 71 to 78; It is made, including Here, the punching unit 50, Front and rear guide rollers 51 for guiding the conveyance of the fabric 1 to facilitate the drilling operation, the laser beam oscillator 52 for producing the laser beam, and rotatably installed in the longitudinal direction of the fabric 1 An x-axis reflecting mirror 54 for reflecting the laser beam from the oscillator 52 and a rotational axis of the x-axis reflecting mirror 54 are installed to move the x-axis reflecting mirror 54 to the far end 1. The driving motor 55 for rotating at a speed synchronized with the speed and the laser beam reflected from the x-axis reflecting mirror 54 to be rotatable in the width direction of the original fabric 1 are irradiated to the surface of the original fabric 1. A step motor 57 connected to the y-axis reflecting mirror 56 and the rotational axis of the y-axis reflecting mirror 56 to rotate the y-axis reflecting mirror 56 by one step according to a predetermined pattern. Drilling hose manufacturing apparatus comprising a. The method of claim 1, The printing unit 40, the intaglio roller 41 and the pressure roller 42 for printing a label on the surface of the fabric 1, and the paint to wet the paint, such as paint on the surface of the intaglio roller 41 It is made of a paint receiving member 43 and a scratcher 45 for scraping off the paint on the portion other than the intaglio portion of the engraved roller 41, The punching unit 50 is positioned between the laser beam oscillator 52 and the x-axis reflecting mirror 54 to adjust the diameter of the laser beam emitted from the oscillator 52 to adjust the diameter of the through hole 1a. A telescope 53 for controlling the size and a laser beam irradiated from the y-axis reflecting mirror 56 positioned between the y-axis reflecting mirror 56 and the far end 1 and perpendicular to the surface of the far end 1. It further comprises a telecentric scanning lens 58 for incident The cylindrical forming unit 60, the cylindrical forming roller 61 and the horizontal guide roller 62 for guiding to roll up both edges of the flat fabric in cooperation with each other to form a hose shape, and a plurality of conical rollers 63 ), An adhesive applying device 65 for applying the adhesive to the overlapping portions of the hose-shaped fabric, a sensor 67 for detecting left and right deflection of the hose-shaped fabric, and after the adhesive is applied, Drilling hose manufacturing apparatus, characterized in that consisting of a pair of compression rollers (68) to form a hose by adhering. Printing a label by the printing unit 40 on the surface of the fabric 1 released from the fabric roll 10; On the fabric surface by directing the laser beam irradiated from the laser beam oscillator 52 to the fabric 1 passed through the printing unit 40 in the longitudinal direction and the width direction of the fabric 1 and focusing on the fabric surface. Drilling a through hole of a predetermined pattern; A method of manufacturing a punched hose comprising the step of winding the fabric (1) passed through the punching unit (50) into a cylindrical hose (2) by means of a cylindrical forming unit (60) and wrapping the finished roll (19). . PE knitting, characterized in that the laser beam irradiated from the laser oscillation device is guided in the longitudinal direction and the width direction of the hose fabric of PE knitted fabric material to focus on the hose fabric surface to form through holes of a predetermined pattern on the hose fabric surface. Perforated hose.