KR102161721B1 - Laser cutting system - Google Patents

Abstract

The present invention relates to a laser cutting system for dividing and forming a product having a predetermined horizontal width and vertical length by laser cutting a workpiece, comprising: a reciprocating transfer device for reciprocating the workpiece along a predetermined transport path; A first laser cutting device for forming a horizontal cutting pattern having a shape corresponding to the horizontal side by laser cutting the workpiece having reached a predetermined first cutting area along a cutting path corresponding to a predetermined horizontal side of the product; And laser cutting the workpiece that has reached the second predetermined transfer area along a cutting path corresponding to a predetermined vertical side of the product, and has a shape corresponding to the vertical side and forms a closed loop with the horizontal cutting pattern. It includes a second laser cutting device for forming a vertical cutting pattern to form.

Description

Laser cutting system {LASER CUTTING SYSTEM}

The present invention relates to a laser cutting system.

1A and 1B are diagrams for explaining a method of manufacturing a plurality of products from raw materials using a conventional laser cutting system.

1A and 1B, a conventional laser cutting system 200 includes a plurality of laser heads 210 each emitting a laser beam LV, and a head driver that transports the laser heads 210, respectively. Includes (not shown), etc. In such a conventional laser cutting system 200, the laser beams LV respectively emitted from the laser heads 210 are irradiated to the raw material F along a path corresponding to a predetermined outline of the product P. It is driven. Through this, the conventional laser cutting system 200 can simultaneously divide and form a plurality of products P from the raw material F by using the laser beams LV respectively emitted from the laser heads 210. have.

However, in the conventional laser cutting system 200, due to the quality control of the cut surface of the product P and other process problems, the laser beams LV are individually applied to the raw material F along an independent path of closure. It is driven to be irradiated. Then, as shown in FIG. 1B, between the products P divided from the raw material F, scrap S, which is the remaining residue after forming the products P, inevitably occurs. Therefore, the conventional laser cutting system 100 has a problem that the manufacturing cost of the product P is increased due to the scrap S, and the productivity is reduced due to a complicated transport path of the laser heads 110. .

The present invention is to solve the problems of the prior art described above, and an object thereof is to provide a laser cutting system having an improved structure so as to minimize the amount of scrap generated.

Further, an object of the present invention is to provide a laser cutting system having an improved structure so as to simplify the transport path of the workpiece and the laser head.

In the laser cutting system according to a preferred embodiment of the present invention for solving the above-described problems, in the laser cutting system for dividing and forming a product having a predetermined horizontal width and length by laser cutting a workpiece, the workpiece is A reciprocating transfer device for reciprocating transfer along a predetermined transfer path; A first laser cutting device for forming a horizontal cutting pattern having a shape corresponding to the horizontal side by laser cutting the workpiece having reached a predetermined first cutting area along a cutting path corresponding to a predetermined horizontal side of the product; And laser cutting the workpiece that has reached the second predetermined transfer area along a cutting path corresponding to a predetermined vertical side of the product, and has a shape corresponding to the vertical side and forms a closed loop with the horizontal cutting pattern. It includes a second laser cutting device for forming a vertical cutting pattern to form.

Preferably, the first laser cutting device laser cuts the workpiece along a cutting path corresponding to a predetermined first horizontal side of the product, thereby forming a first horizontal cutting pattern having a shape corresponding to the first horizontal side. A first laser head to form; And a second horizontal cutting pattern having a shape corresponding to the second horizontal side by laser cutting the workpiece along a cutting path corresponding to a predetermined second horizontal side of the product, from the first horizontal cutting pattern to the vertical length. And a second laser head formed to be spaced apart by

Preferably, the second laser cutting device forms the vertical cut pattern to interconnect the first horizontal cut pattern and the second horizontal cut pattern, thereby dividing the product from the workpiece.

Preferably, the first laser head continuously forms the first horizontal cutting pattern by a predetermined number along the width direction of the workpiece, and the second laser head comprises the second horizontal cutting pattern in advance. It is formed continuously along the width direction by a predetermined number.

Preferably, at least one of the first laser head and the second laser head has a laser scanner capable of changing an optical path of a laser beam in the width direction and the length direction of the workpiece.

Preferably, the second laser cutting device forms the vertical cutting patterns to interconnect one end of any one of the first horizontal cutting patterns and one end of any one of the second horizontal cutting patterns, And a plurality of laser heads for dividing and forming the predetermined number of products from the workpiece.

Preferably, each of the laser heads is installed to irradiate a laser beam to the workpiece passing through the second cutting area in the longitudinal direction of the workpiece by the reciprocating transfer device.

Preferably, the reciprocating transfer device includes a first reciprocating transfer member for reciprocating the work piece along the longitudinal direction and a second reciprocating transfer member for reciprocating the work piece along the width direction.

Preferably, the laser heads are installed so that the vertical cutting patterns can be formed at an interval of an integer multiple of the horizontal width.

Preferably, the laser heads are installed so as to be able to form the vertical cutting patterns at an interval of twice the horizontal width, and the second reciprocating transfer member includes the workpiece being processed by the first reciprocating transfer member. When the vertical cutting patterns are primarily formed by the laser heads in the process of being transferred from the first predetermined origin to the first return point, the workpiece is transferred along the width direction by the horizontal width, and the second 1, the reciprocating transfer member, when the workpiece is transferred along the width direction by the horizontal width by the second reciprocating transfer member, the reciprocating transfer member is located at a position spaced apart by the horizontal width compared to the vertical cutting patterns formed primarily The workpiece is transferred from the first return point toward the first origin so that vertical cutting patterns can be secondarily formed.

Preferably, the reciprocating transfer device, when the first horizontal cutting patterns and the second horizontal cutting patterns are formed in a specific region of the workpiece reaching the first cutting region, another specific region of the workpiece The workpiece is transferred in the longitudinal direction of the workpiece by a predetermined pitch interval so as to reach the first cutting region, and the first laser head and the second laser head are configured to reach the first cutting region. The first horizontal cutting patterns and the second raw cutting patterns are formed in other specific areas of the workpiece.

Preferably, the laser heads, when the specific area and the other specific area reach the second cutting area, respectively, form the vertical cutting patterns separately, and the product from the specific area and the other specific area To form them individually.

Preferably, the pitch interval is determined so that the products divided from the specific region and the products divided from the other specific region are spaced apart from each other by a predetermined margin.

Preferably, a raw material cutting device for dividing and forming the workpiece by cutting the raw material selectively marked on the defective area with the defective mark; And an inspection device for checking whether the defective mark is present on the product divided from the workpiece.

Preferably, a defective product loading box in which the defective product having the defective mark is loaded; And a normal product loading box in which the normal product without the defective mark is loaded.

Preferably, the inspection device comprises: a light-emitting member emitting light for product inspection toward the product; And a camera for photographing the product irradiated with the product inspection light.

The present invention relates to a laser cutting system, wherein a plurality of horizontal cutting patterns having a shape corresponding to a horizontal side of a product are continuously formed on a workpiece, and then a plurality of vertical cutting patterns having a shape corresponding to the vertical side of a product are formed. By forming on the workpiece to form a closed loop with the horizontal cutting patterns, a plurality of products can be divided and formed collectively from the workpiece. According to the present invention, it is possible to improve economic efficiency by minimizing the amount of scrap generated, and to improve durability and productivity by simplifying the transport path of the workpiece and the laser head.

1A and 1B are diagrams for explaining a method of manufacturing a plurality of products from raw materials using a conventional laser cutting system.
2 is a front view showing a schematic configuration of a laser cutting system according to a preferred embodiment of the present invention.
3 is a plan view showing a schematic configuration of the laser cutting system shown in FIG. 2.
4 is a plan view of the product.
5 is a view for explaining a method of forming horizontal cutting patterns on a workpiece.
6 to 9 are views for explaining a method of forming vertical cutting patterns on a workpiece.
10 and 11 are diagrams for explaining a method of inspecting products divided from a workpiece.
12 is a diagram for explaining a method of selecting normal products and defective products.
13 is a front view showing a schematic configuration of a laser cutting system according to another embodiment of the present invention.

Hereinafter, some embodiments of the present invention will be described in detail through exemplary drawings. In adding reference numerals to elements of each drawing, it should be noted that the same elements are assigned the same numerals as possible even if they are indicated on different drawings. In addition, in describing an embodiment of the present invention, if it is determined that a detailed description of a related known configuration or function obstructs an understanding of the embodiment of the present invention, a detailed description thereof will be omitted.

In describing the constituent elements of the embodiments of the present invention, terms such as first, second, A, B, (a), (b), etc. may be used. These terms are only used to distinguish the component from other components, and the nature, order, or order of the component is not limited by the term. In addition, unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and should not be interpreted as an ideal or excessively formal meaning unless explicitly defined in this application. Does not.

FIG. 2 is a front view showing a schematic configuration of a laser cutting system according to a preferred embodiment of the present invention, and FIG. 3 is a plan view showing a schematic configuration of the laser cutting system shown in FIG. 2.

2 and 3, the laser cutting system 1 according to a preferred embodiment of the present invention is a product having a predetermined horizontal width (W) and a vertical length (L) by laser cutting a workpiece (F1). A laser cutting system 1 for dividing and forming (P), comprising: a raw material supply device 10 for supplying raw materials F; A raw material cutting device 20 which cuts the raw material F supplied by the raw material supply device 10 to divide and form the workpiece F1 from the raw material F; A reciprocating transfer device 30 for reciprocating the workpiece F1 along a predetermined transfer path; The workpiece F1 that has reached the first cutting area A1 is laser cut along a cutting path corresponding to the predetermined horizontal side S1 of the product P, and the horizontal cutting pattern C1 corresponding to the horizontal side S1 ) Forming a first laser cutting device 40; And laser cutting the workpiece F1 that has reached the second cutting area A2 along a cutting path corresponding to the predetermined vertical side S2 of the product P, thereby forming a shape corresponding to the vertical side S2. It may include a second laser cutting device 50 and the like to form a vertical cutting pattern (C2) forming a closed loop together with the horizontal cutting pattern (C1).

In this specification, the longitudinal direction is an expression collectively referring to the longitudinal direction of the raw material (F) and the length of the workpiece (F1), and the width direction refers to the width direction of the raw material (F) and the width direction of the workpiece (F1). It is a collective expression.

First, the raw material supply device 10 is provided so as to be able to supply the raw material F for manufacturing the products P to the raw material cutting device 20. The kind of the raw material F is not particularly limited. For example, the raw material F may be a release cutting film for application to a display device of a mobile terminal.

The structure of the raw material supply device 10 is not particularly limited. For example, as shown in FIG. 2, the raw material supply device 10 unwinds and supplies the raw material F previously wound in a roll state, and the supply roll 12 supplied from the supply roll 12 A lip roll 14 or the like for transferring the raw material F to the raw material supply device 10 by a predetermined reference length may be provided. The reference length is not particularly limited, and may be determined according to the size of the product P, the number of products P to be divided and formed from the workpiece F1, and the like.

Next, the raw material cutting device 20 is provided so as to be capable of laser cutting the raw material F delivered by the lip roll 14 by the reference length.

The structure of the raw material cutting device 20 is not particularly limited. For example, as shown in FIG. 3, the raw material cutting device 20 is a laser oscillator (not shown) that oscillates a laser beam. A laser head 22 for irradiating the raw material F with a laser beam oscillated from the laser oscillator, and a head driver (not shown) for reciprocating the laser head 22 along the width direction may be provided.

According to such a raw material cutting device 20, the raw material F supplied from the lip roll 14 is laser-cut in the width direction using the laser head 22, and the workpiece F1 having a reference length is converted into the raw material F. It can be formed by division.

On the other hand, the workpiece (F1) that is divided and formed by the raw material cutting device 20 in this way can be cut and processed by the first laser cutting device 40 and the second laser cutting device 50, a reciprocating transfer device to be described later. It should be communicated to (30). To this end, as shown in FIG. 2, the laser cutting system 1 further includes a delivery device 100 for transferring the workpiece F1 formed by the raw material cutting device 20 to the reciprocating transfer device 30. Can include.

The structure of the delivery device 100 is not particularly limited. For example, as shown in FIG. 2, the delivery device 100 is configured by a gripping member 101 capable of gripping and releasing the gripping member F1, and the gripping member 101 and the gripping member 101. A reciprocating transfer member 103 capable of reciprocating transfer of the gripped workpiece F1 along a section between the raw material cutting device 20 and the reciprocating transfer device 30 may be provided.

The structure of the gripping member 101 is not particularly limited. For example, as shown in FIG. 2, the gripping member 101 may have at least one vacuum suction pad 105 capable of vacuum suction and release of the workpiece F1.

The reciprocating transfer member 103 includes a rail 107 disposed to extend long along a section between the raw material cutting device 20 and the reciprocating transfer device 30, and the gripping member 101 and the workpiece F1 by rail ( It may have a transfer motor 109 and the like capable of reciprocating transfer along 107). In particular, the rail 107 may be installed such that one end extends to the raw material cutting device 20 and the other end extends to the reciprocating transfer device 30.

The structure of the rail 107 and the transfer motor 109 is not particularly limited. For example, the rail 107 and the transfer motor 109 may be formed of a linear rail and a linear motor, respectively. Then, the transfer motor 109 may reciprocate along the rail 107 by a magnetic force acting between the rail 107 and the transfer motor 109.

As shown in FIG. 2, the delivery device 100 grips and transfers the workpiece F1 divided from the raw material F by the raw material cutting device 20, and then releases the grip, which will be described later. It can be seated on the base plate 32 of the reciprocating conveyance device 30 arrange|positioned at the origin I1.

4 is a plan view of the product.

The shape of the product P formed by division from the work F1 using the laser cutting system 1 is not particularly limited. For example, as shown in Fig. 4, the product P has two horizontal sides S1 having a predetermined horizontal width W and two vertical sides S2 having a predetermined vertical length L. It may have a rectangular shape having. In addition, the horizontal side (S1) and the vertical side (S2), respectively, depending on the usage of the product (P), at least one minute may be provided to be angled or curved. For example, as shown in Figure 4, the horizontal side (S1), the first side (S3) provided at one end of the product (P) to include a curved section, and the product to include an angled section and a curved section. It may have a second horizontal side (S4), etc. provided at the other end of (P).

5 is a diagram illustrating a method of forming horizontal cutting patterns on a workpiece, and FIGS. 6 to 9 are diagrams illustrating a method of forming vertical cutting patterns on a workpiece.

Next, as shown in Figure 2, the reciprocating transfer device 30, the base plate 32 on which the work F1 is seated, and the work piece seated on the base plate 32 and the base plate 32 A first reciprocating member 34 for reciprocating (F1) along the longitudinal direction, and a second for reciprocating the base plate 32 and the workpiece (F1) seated on the base plate 32 along the width direction. A reciprocating transfer member 36 or the like may be provided.

The base plate 32 has a flat plate shape corresponding to the shape of the workpiece F1 so that the workpiece F1 can be seated. The base plate 32 is preferably coupled to the second reciprocating member 36, but is not limited thereto.

The first reciprocating transfer member 34 may be installed to extend long along the length direction. The first reciprocating member 34 is a second reciprocating member 36, a base plate 32, and a work piece F1 in a section between a predetermined first origin I1 and a first return point R1. Can be reciprocated along the longitudinal direction.

The second reciprocating member 36 may be coupled to the first reciprocating member 34 so as to extend long along the width direction. This second reciprocating transfer member 36 can reciprocate the base plate 32 and the work piece F1 along the width direction in a section between the predetermined second origin I2 and the second return point R2. have.

Next, the first laser cutting device 40 laser cuts the workpiece F1 that has reached the predetermined first cutting area A1 along a cutting path corresponding to the horizontal side S1 of the product P. , The horizontal cutting pattern C1 having a shape corresponding to the horizontal side S1 of the product P is provided to be shapeable on the workpiece F1. The first cutting area A1 is an area where laser cutting can be performed using the first laser head 42 and the second laser head 44 to be described later, and the first origin I1 and the first return point R1 It is decided to be located between.

The structure of the first laser cutting device 40 is not particularly limited. For example, as shown in FIG. 3, the first laser cutting device 40 transfers the workpiece F1 reaching the first cutting area A1 with the first horizontal side S3 of the product P. A first laser head 42 for laser cutting along a corresponding cutting path to form a first horizontal cutting pattern C3 having a shape corresponding to the first horizontal side S3 of the product P on the workpiece F1 ) And the workpiece (F1) that has reached the first cutting area (A1) along the cutting path corresponding to the second side (S4) of the product (P), and the second side ( A second laser head 44 configured to form a second horizontal cutting pattern C4 corresponding to S4) apart from the first horizontal cutting pattern C3 by a vertical length L of the product P may be provided. . Further, the first laser cutting device 40 includes a first laser oscillator (not shown) for oscillating a laser beam for supply to the first laser head 42 and a laser for supplying to the second laser head 44 A second laser oscillator (not shown) that oscillates a beam, a first head driver (not shown) that reciprocates the first laser head 42 in the width direction, and the second laser head 44 reciprocates in the width direction A second head driver (not shown) to be transferred may be further provided.

As described above, the first side S3 and the second side S4 of the product P may have an angled section and a curved section, respectively. However, in order to form the product P so that the first and second streets S3 and S4 have an angled section and a curved section, the laser beam emitted from the first laser head 42 and the second laser head The first laser head 42 and the second laser head 44 are provided so that the optical path of the laser beam emitted from 44 can be adjusted according to the shape of the first and second horizontal sides S3 and S4. It is desirable. To this end, the first laser head 42 and the second laser head 44 may each be configured as a laser scanner capable of changing the optical path of the laser beam in the longitudinal direction and the width direction.

In the following, with reference to FIGS. 5 and 6, the first horizontal cutting pattern C3 and the second horizontal cutting pattern C4 are formed so that a plurality of products P can be dividedly formed from the workpiece F1. How to form it will be described.

First, as shown in Figure 5, the first reciprocating transfer member 34, the workpiece (F1) along the length direction so that a certain region of the workpiece (F1) reaches the first cutting region (A1). Transfer.

Next, as shown in FIG. 5, the first laser head 42 laser cuts a certain area of the workpiece F1 while moving in the width direction by the first head driver, and the first horizontal cutting pattern (C3) may be formed continuously along the width direction by a predetermined number. At the same time, the second laser head 44 laser cuts a certain area of the workpiece F1 while moving in the width direction by the second head driver, thereby cutting the second horizontal cutting pattern C4 by a predetermined number. It can be formed continuously along the width direction. That is, the first laser head 42 and the second laser head 44 extend a predetermined number of products P in a specific area of the workpiece F1 reaching the first cutting area A1. A predetermined number of first horizontal cutting patterns C3 and second horizontal cutting patterns C4 are continuously formed along the width direction so that they can be continuously divided and formed along a direction.

Thereafter, the first reciprocating member 34 moves the workpiece F1 in the length direction by a predetermined pitch interval T so that another specific region of the workpiece F1 reaches the first cutting region A1. Transport along. The pitch interval T is not particularly limited. For example, as shown in FIG. 6, the pitch interval T may have a length longer than the vertical length L of the product P by a predetermined clearance interval I. This is, taking into account that the horizontal sides S1 have an angled section and a curved section, the horizontal cutting patterns C1 formed in different specific areas so that the horizontal cutting patterns C1 formed in different specific areas do not overlap each other. It is to put a predetermined margin (I) between the.

Next, the first laser head 42 and the second laser head 44 include a predetermined number of first horizontal cutting patterns in another specific area of the workpiece F1 that has reached the first cutting area A1. (C3) and the second horizontal cutting patterns C4 may be continuously formed along the width direction. Then, as shown in FIG. 6, a predetermined distance between the horizontal cutting patterns C1 formed in a specific region of the workpiece F1 and the horizontal cutting patterns C1 formed in another specific region of the workpiece F1 The scrap (S) area of the can be formed.

As above, when the workpiece F1 is transferred using the first reciprocating transfer member 34 and the horizontal cutting patterns C1 are repeatedly formed using the laser heads 42 and 44, the horizontal cutting pattern The fields C1 may be formed to form a plurality of rows.

Next, the second laser cutting device 50 laser cuts the workpiece F1 that has reached the second predetermined cutting area A2 along a path corresponding to the vertical side S2 of the product P. , A vertical cutting pattern C2 having a shape corresponding to the vertical side S2 of the product P is provided to be shapeable on the workpiece F1. The second cutting area A2 is an area capable of performing laser cutting using the laser heads 53 to be described later, and is determined to be located between the first cutting area A1 and the first turning point R1.

The structure of the second laser cutting device 50 is not particularly limited. For example, as shown in FIG. 5, the second laser cutting device 50 is a workpiece F1 passing through the second cutting area A2 in the longitudinal direction by the first reciprocating device 30 By laser cutting along the longitudinal side S2 of the product P and the corresponding cutting path, and forming a vertical cut pattern C2 having a shape corresponding to the longitudinal side S2 of the product P to the workpiece F1 ) May be provided with a plurality of laser heads 53 respectively formed. In addition, the second laser cutting device 50 splits a laser oscillator (not shown) that oscillates a laser beam for supplying the laser heads 53 and a laser beam oscillated from the laser oscillator to separate the laser heads 53 ) May be further provided with at least one optical member (not shown).

As shown in FIG. 6, the laser heads 53 are first horizontal cutting patterns by vertical cutting patterns C2 formed on the workpiece F1 in the process of passing through the second cutting area A2. It is installed at a predetermined position so that (C3) and the second horizontal cutting patterns (C4) are interconnected. More specifically, the laser heads 53 are so that both ends of the first horizontal cutting patterns C3 and both ends of the second horizontal cutting patterns C4 are interconnected by the vertical cutting patterns C2. Can be installed.

To this end, the laser heads 53 may be installed at an installation interval equal to an integer multiple of the horizontal width W of the product P. The installation interval of the laser heads 53 is not particularly limited. For example, the laser heads 53 may be installed at an installation interval equal to twice the horizontal width W of the product P.

Hereinafter, a method of forming the vertical cutting pattern C2 will be described with reference to FIGS. 6 to 9 so that a plurality of products P can be dividedly formed from the workpiece F1.

First, the first reciprocating transfer member 34 first passes the workpiece F1 through the second cutting region A2 in the longitudinal direction so that the horizontal cutting patterns C1 individually formed in different specific regions may pass through the second cutting region A2 It feeds from the origin (I1) to the first return point (R1). At the same time, the laser heads 53 laser cut the workpiece F1 passing through the second cutting area A2 in the longitudinal direction to obtain the same number of vertical cutting patterns C2 as the number of laser heads installed. By primarily forming in each specific region, the first horizontal cutting patterns C3 and the second horizontal cutting patterns C4 formed in the same specific region can be interconnected using the vertical cutting patterns C2. . Then, as shown in FIG. 6, only one end of both ends of each first horizontal cutting pattern C3 and one end of both ends of each second horizontal cutting pattern C4 are primarily formed. By being interconnected by the vertical cutting pattern C2, the intermediates B having an unfinished shape are divided and formed from the work F1.

Thereafter, as shown in FIG. 7, the second reciprocating transfer member 36 refers to the workpiece F1 reaching the first return point R1 with the intermediate objects B formed at the second origin I2. ) To the second return point R2, and moves the workpiece F1 in the width direction by the width W of the product P.

Next, as shown in FIG. 8, the first reciprocating member 34 moves the workpiece F1 in the width direction by the width W of the product P in the second cutting area ( In order to re-pass A2) in the longitudinal direction, the workpiece F1 is transferred from the first return point R1 toward the first origin I1. At the same time, the second cutting area A2 is formed so that the first horizontal cutting patterns C3 and the second horizontal cutting patterns C4 formed in the same specific area are interconnected by the vertical cutting patterns C2. The re-passing workpiece F1 is laser-cut again along the length direction to form the vertical cutting patterns C2 in each specific area secondary. However, the workpiece F1 is in a state that has been moved in the width direction by the horizontal width W of the product P compared to the case where the vertical cutting patterns C2 are primarily formed. The field C2 includes the remaining one end of the first horizontal cutting patterns C3 and the other one end of the second horizontal cutting patterns C4 that are not interconnected by the vertical cutting patterns C2 formed primarily. Interconnected Then, the first horizontal cutting pattern C3, the second horizontal cutting pattern C4, the firstly formed vertical cutting pattern C2, and the secondly formed vertical cutting pattern C2 form a closed loop, thereby forming a plurality of The products P may be formed to form a plurality of rows in the workpiece F1. At the same time, on the outer periphery of the products P, scraps S corresponding to the residues of the remaining workpieces F1 after forming the products P are formed.

Thereafter, as shown in FIG. 9, the second reciprocating member 36 moves the workpiece F1 in a state in which the products P are divided and the second origin I2 at the second return point R2. To the second origin (I2).

Next, as shown in FIG. 9, the first reciprocating member 34 moves the workpiece F1 disposed again at the second origin I2 to the first return point R1 at the first origin I1. It is transferred toward and placed at the first return point R1. In this case, the laser heads 53 are stopped so as not to irradiate the laser beam to the workpiece F1 passing through the second cutting area A2.

10 and 11 are views for explaining a method of inspecting products divided from a workpiece, and FIG. 12 is a diagram for explaining a method of selecting normal products and defective products.

Referring to FIGS. 1 and 2, the laser cutting system 1 includes an inspection device 60 for inspecting whether or not the products P divided from the workpiece F1 are defective, and a defect among products P A defective product loading box 70 in which the product P2 is loaded, a normal product transfer device 80 for transferring a normal product P1 among products P along a predetermined transfer path, and a normal product transfer device 80 It may further include a normal product loading box 90 and the like in which the normal product P1 transferred by) is loaded.

In general, when manufacturing a raw material (F) such as a release cutting film, a defect mark (M) is displayed in the defective area of the raw material (F). Accordingly, some of the products P manufactured using the raw material F may have a defective mark M displayed when the raw material F is manufactured. As described above, the defective product (P2) with the defective mark (M) is of poor quality, so the defective product (P2) with the defective mark (M) and the normal product (P1) without the defective mark (M) are individually It is preferable to recover it.

To this end, the laser cutting system 1, in order to individually collect the defective product P2 and the normal product P1, the inspection device 60, the defective product loading box 70, the normal product transfer device 80, and It further includes a normal product loading box 90 and the like. In addition, the laser cutting device system 1 recovers the products P divided from the workpiece F1 from the base plate 32 of the reciprocating transfer device 30, and loads the inspection device 60 and defective products. (70) It may further include a recovery device 110 for sequentially transferring to the normal product transfer device 80, etc. For convenience of description, hereinafter, the recovery device 110 will be first described, and then the remaining components will be described.

First, the structure of the recovery device 110 is not particularly limited. For example, the collection device 110 includes a gripping member 111 capable of individually gripping and releasing the products P, and a product individually gripped by the gripping member 111 and the gripping member 111 A reciprocating transfer member 113 and the like capable of reciprocating transfer along the section between the reciprocating transfer device 30 and the transfer device 80 of the normal product P may be provided.

The structure of the gripping member 111 is not particularly limited. For example, as shown in FIG. 2, the gripping member 111 may include a plurality of vacuum suction pads 115 capable of vacuum adsorption and release of any one of the products P, respectively.

The reciprocating transfer member 113 includes a rail 117 disposed to extend long along a section between the reciprocating transfer device 30 and the normal product transfer device 80, and the gripping member 111 and the products P. It may have a transfer motor 119 and the like capable of reciprocating transfer along the 117. In particular, the rail 117 may be installed such that one end extends to a region corresponding to the first return point R1 of the base plate 32 and the other end extends to a region corresponding to the normal product transfer device 80. have.

The structure of the rail 117 and the transfer motor 119 is not particularly limited. For example, the rail 117 and the transfer motor 119 may be formed of a linear rail and a linear motor, respectively. Then, the transfer motor 119 may reciprocate along the rail 117 by a magnetic force acting between the rail 117 and the transfer motor 119.

As shown in FIG. 2, such a recovery device 110 individually grips and transports the products P disposed at the first return point R1 while seated on the base plate 32, and the inspection device (60), it can be selectively delivered to the defective product loading box 70 and the normal product transfer device 80.

Meanwhile, the products P are recovered from the base plate 32 by the recovery device 110 and the remaining scrap S may be collected from the base plate 32 by a separate scrap recovery device (not shown). .

Next, the inspection device 60 is defective among the buffer plate 61 on which the products P recovered from the base plate 32 are temporarily seated and the products P seated on the buffer plate 61 An inspection plate 62 on which products P for performing an inspection are mounted, a light emitting member 63 emitting light for product inspection toward the products P seated on the inspection plate 62, and a product A camera 64 photographing a product P irradiated with inspection light, and a defective product P2 having a defect mark M among the products P by analyzing image information received from the camera 64 It may have a controller (not shown) or the like that specifies

As shown in FIG. 2, the buffer plate 61 is installed on the transfer path of the recovery device 110, and the products P recovered from the base plate 32 by the recovery device 110 are seated. It has a flat plate shape corresponding to the products P so that it can be made. The recovery device 110 preferentially seats the products P recovered from the base plate 32 on the buffer plate 61.

As shown in FIG. 2, the inspection plate 62 is installed on the transfer path of the recovery device 110, and some of the products P seated on the buffer plate 61 are It has a flat plate shape corresponding to the products P so that it can be seated. 10 and 11, the recovery device 110 selectively grips and transports products P located in a row for performing defect inspection among products P seated on the buffer plate 61 Thus, it can be mounted on the test plate 62. In addition, the recovery device 110 may recover the products P that have been inspected for defects from the inspection plate 62 and place them back on the buffer plate 61.

As shown in FIG. 2, the light emitting member 63 is directed toward the product P seated on the inspection plate 62 so that the defective mark M present on the products P can be clearly identified. It is installed to emit light for product inspection. For example, the light emitting member 63 may be installed at a predetermined interval on the upper surface of the inspection plate 62 so as to irradiate light for product inspection toward the products P seated on the inspection plate 62. You can have LEDs.

As shown in FIG. 2, the camera 64 is installed so as to photograph the products P seated on the inspection plate 62. The camera 64 may photograph the products P irradiated with light for product inspection and transmit image information to the controller. The controller analyzes the image information input as described above, and among the products P seated on the inspection plate 62, a normal product P1 without a defective mark M and a defect with a defective mark M. Each product P2 can be specified.

Next, the defective product loading bin 70 is installed on the transfer path of the collecting device 110 and has a tray shape provided to allow the defective products P2 to be loaded. As shown in FIG. 12, the recovery device 110 recovers the products P seated on the buffer plate 61 in a state of completing the defect inspection, and then, among the recovered products P, by a controller The specified defective products P2 may be selectively loaded in the defective product loading box 70.

Next, the normal product transfer device 80 is installed on the transfer path of the recovery device 110, and provides the normal products P1 delivered from the recovery device 110 to be transferred along a predetermined transfer direction. do. For example, as shown in FIG. 12, the normal product transfer device 80 is configured as a conveyor belt capable of transferring the normal products P1 received from the collection device 110 toward the normal product loading box 90 Can be. The collection device 110 may transfer the remaining normal products P1 after being loaded in the defective product loading box 70 among the products P recovered from the buffer plate 61 to the normal product transfer device 80.

Next, the normal product loading box 90 may be installed at the outlet side of the normal product conveying device 80 so that the normal products P1 separated from the normal product conveying device 80 are sequentially loaded.

The laser cutting system 1 continuously forms a plurality of horizontal cutting patterns C1 having a shape corresponding to the horizontal side S1 of the product P on the workpiece F1, and then A plurality of vertical cutting patterns C2 having a shape corresponding to the side S2 are formed on the workpiece F1 to form a closed loop with the horizontal cutting patterns C1, and a plurality of products from the workpiece F1 The fields P can be divided and formed collectively. This laser cutting system (1) minimizes the amount of scrap generated and improves economy compared to a conventional laser cutting system in which a plurality of products are individually formed by irradiating laser beams individually along closed paths independent of each other on raw materials. And, it is possible to improve durability and productivity by simplifying the transfer path of the workpiece and the laser head.

13 is a front view showing a schematic configuration of a laser cutting system according to another preferred embodiment of the present invention.

The laser cutting system 2 according to another preferred embodiment of the present invention differs from the above-described laser cutting system 1 in that the structure of the inspection device 60 has been changed.

As shown in Fig. 13, the inspection device 60, compared to the above-described laser cutting system 1, the buffer plate 61 and the inspection plate 62 are omitted, so as to surround the outer periphery of the camera 64. Further provided with the installed lamp shade (65). In addition, the position of the camera 64 has been changed so that the products P located on the transport path of the first reciprocating member 34 can be photographed, and the light emitting member 66 is seated on the base plate 32. It is installed on the inner side of the lamp shade 65 so as to be able to irradiate the product inspection light toward the products P.

According to the laser cutting system 2 in which the structure of the inspection device 60 is changed as described above, it is possible to directly perform a defect inspection on the products P seated on the base plate 32 of the reciprocating transfer device 30, The total volume of the laser cutting system 2 can be reduced by the installation space of the buffer plate 61 and the inspection plate 62.

The above description is merely illustrative of the technical idea of the present invention, and those of ordinary skill in the art to which the present invention pertains will be able to make various modifications and variations without departing from the essential characteristics of the present invention.

Accordingly, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but to explain the technical idea, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be interpreted as being included in the scope of the present invention.

1: laser cutting system
10: raw material supply device
20: raw material cutting device
30: reciprocating transfer device
40: first laser cutting device
50: second laser cutting device
60: inspection device
70: Defective product loading box
80: normal product conveying device
90: normal product loading box
100: delivery device
110: recovery device
F: raw materials
F1: Workpiece
P: Product
B: intermediate
P1: defective product
P2: normal product
S: scrap

Claims (16)

In a laser cutting system for dividing and forming a product having a predetermined horizontal width and vertical length by laser cutting a workpiece,
Reciprocating comprising a first reciprocating transfer member for reciprocating the work piece in a longitudinal direction or in a direction opposite to the longitudinal direction, and a second reciprocating transfer member reciprocating the work piece in a width direction or an opposite direction to the width direction Conveying device;
A first laser cutting device for forming a horizontal cutting pattern having a shape corresponding to the horizontal side by laser cutting the workpiece having reached a predetermined first cutting area along a cutting path corresponding to a predetermined horizontal side of the product; And
Laser cutting the workpiece that has reached the second predetermined cutting area along a cutting path corresponding to a predetermined vertical side of the product, has a shape corresponding to the vertical side, and forms a closed loop with the horizontal cutting pattern. Including a second laser cutting device for forming a vertical cutting pattern,
The first laser cutting device,
By laser cutting the workpiece along a cutting path corresponding to a predetermined first horizontal side of the product, a first horizontal cutting pattern having a shape corresponding to the first horizontal side is continuously cut along the width direction by a predetermined number. A first laser head to form; And
By laser cutting the workpiece along a cutting path corresponding to the second horizontal side of the product, a second horizontal cutting pattern having a shape corresponding to the second horizontal side is continuously cut along the width direction by the predetermined number. And a second laser head formed to be spaced apart from the first horizontal cutting patterns by the vertical length,
The second laser cutting device,
A plurality of laser heads are provided so as to irradiate a laser beam to the workpiece passing through the second cutting area, and are disposed along the width direction at an interval equal to twice the horizontal width,
In a state in which the first horizontal cutting patterns and the second horizontal cutting patterns are formed on the workpiece, the first reciprocating transfer member transports the workpiece in the longitudinal direction to pass through the second cutting area, and the Each of the laser heads of the second laser cutting device irradiates a laser beam to the workpiece passing through the second cutting area in the longitudinal direction to laser cut the workpiece along a path corresponding to the vertical side, 1 First vertical cutting patterns connecting one end of any one of the horizontal cutting patterns and one end of one of the second horizontal cutting patterns, respectively, are placed on the workpiece with an interval equal to twice the horizontal width. By forming, a plurality of intermediates are divided and formed from the workpiece,
In a state in which the intermediates are divided into the work piece, the second reciprocating member transfers the work piece in the width direction by the horizontal width, and the first reciprocating transfer member moves in the width direction by the horizontal width. The transferred workpiece is transferred in a direction opposite to the longitudinal direction so as to pass through the second cutting area again, and the laser heads of the second laser cutting device respectively move the second cutting area in a direction opposite to the longitudinal direction. By irradiating a laser beam to the re-passing workpiece to laser cut the workpiece along a path corresponding to the vertical side, the other end of any one of the first horizontal cutting patterns and one of the second horizontal cutting patterns Characterized in that by forming second vertical cutting patterns connecting each other end of any one on the workpiece with an interval equal to twice the horizontal width, thereby dividing a pair of products from each of the intermediates Laser cutting system. delete delete delete The method of claim 1,
At least one of the first laser head and the second laser head has a laser scanner capable of changing an optical path of a laser beam in each of the width direction and the length direction. delete delete delete delete delete The method of claim 1,
In the reciprocating transfer device, when the first horizontal cutting patterns and the second horizontal cutting patterns are formed in a specific area of the workpiece reaching the first cutting area, the other specific area of the processed object is 1 Transfer the workpiece in the longitudinal direction by a predetermined pitch interval to reach a cutting area,
The first laser head and the second laser head form the first horizontal cutting patterns and the second horizontal cutting patterns in another specific region of the workpiece reaching the first cutting region. Laser cutting system. The method of claim 11,
The laser heads, when the specific area and the other specific area each reach the second cutting area, individually form the vertical cutting patterns to individually separate the products from the specific area and the other specific area. Laser cutting system, characterized in that to form a division. The method of claim 11,
The pitch interval is determined so that the products divided from the specific region and the products divided from the other specific region are spaced apart from each other in the longitudinal direction by a predetermined clearance interval. The method of claim 1,
A raw material cutting device for dividing and forming the workpiece by cutting the raw material in which the defective mark is selectively marked on the defective area; And
And an inspection device for checking whether the defective mark is present on each of the products divided from the workpiece. The method of claim 14,
A defective product loading bin in which the defective product having the defective mark is loaded; And
The laser cutting system, characterized in that it further comprises a normal product loading box in which the normal product without the defective mark is loaded. The method of claim 14,
The inspection device,
A light-emitting member emitting light for product inspection toward the product; And
A laser cutting system comprising a camera for photographing the product irradiated with the product inspection light.

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