KR101677154B1 - A laser cutting apparatus for forming stepped portion - Google Patents
A laser cutting apparatus for forming stepped portion Download PDFInfo
- Publication number
- KR101677154B1 KR101677154B1 KR1020150056678A KR20150056678A KR101677154B1 KR 101677154 B1 KR101677154 B1 KR 101677154B1 KR 1020150056678 A KR1020150056678 A KR 1020150056678A KR 20150056678 A KR20150056678 A KR 20150056678A KR 101677154 B1 KR101677154 B1 KR 101677154B1
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- laser
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- cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/0006—Working by laser beam, e.g. welding, cutting or boring taking account of the properties of the material involved
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/40—Removing material taking account of the properties of the material involved
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- B23K2203/16—
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- Optics & Photonics (AREA)
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- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention relates to a laser cutting apparatus for a stepwise machining for dividing and forming a sheet product by laser cutting a sheet fabric formed by adhering a release film sheet to an adhesive applied to at least one surface of a metal sheet, A first laser head for emitting a first laser having a first wavelength capable of being cut and a second laser head for emitting a second laser beam having a second wavelength capable of selectively cutting the metal sheet and a beam spot having a diameter smaller than a diameter of the beam spot of the first laser, A first laser unit including a second laser head for emitting a laser beam and a first head driver for reciprocating the first laser head and the second laser head along the width direction of the sheet fabric; And a third laser head for emitting the first laser, a fourth laser head for emitting the second laser, and a fourth laser head for reciprocatingly transporting the third laser head and the fourth laser head along the longitudinal direction of the sheet fabric perpendicular to the width direction And a second laser unit having a second head driver. In the present invention, when forming a sheet-like product by laser cutting the sheet fabric, a step having a shape in which the cut surface of the metal sheet is protruded compared to the cut surface of the release film sheet and the adhesive can be formed along the periphery of the sheet- Therefore, when the display panel is manufactured by attaching the panel sheet to the adhesive material after removing the release film sheet, the adhesive material pushed and spread on the panel sheet is prevented from leaking to contaminate the display panel with the adhesive material, The quality of the panel can be improved.
Description
BACKGROUND OF THE
In order to cut the object to be cut, various kinds of cutting devices such as a wood cutting device using a cutter and a laser cutting device using a laser are used. Of these cutting devices, laser cutting devices are increasingly used due to their excellent physical properties.
1 is a view showing an aspect in which a conventional laser cutting apparatus irradiates a laser beam onto a sheet.
In the field of display panels, products manufactured by attaching a panel sheet (P) to a metal sheet (M) are used. In order to attach the panel sheet P to the metal sheet M in this manner, the adhesive sheet A is applied to one surface of the metal sheet M. When such an adhesive sheet A is exposed to the outside, Dirt and other contaminants may adhere to the adhesive material (A). Therefore, as shown in Fig. 1, a sheet fabric S having a release film R adhered to the adhesive material A is manufactured and used so as to isolate the adhesive material A from contaminants. In order to cut such a sheet fabric S to form a sheet-like product having a size corresponding to the panel sheet P, a laser LV is applied to the sheet fabric S as shown in Fig. 1, Laser cutting apparatuses for cutting a laser beam S are developed and used.
FIG. 2A is a sectional view of a sheet-like product formed by the conventional laser cutting apparatus shown in FIG. 1, FIG. 2B is a sectional view of a sheet- Sectional view of a sheet fabric showing a state in which a panel sheet is attached to an adhesive material.
As shown in FIG. 2A, when a sheet material S is cut using a conventional laser cutting apparatus, a sheet-like product S1 having a cut surface in a plane is formed. 2B and 2C, after the release film R of the sheet-like product S1 is detached from the adhesive material A, the panel sheet P is attached to the adhesive material A, Can be manufactured.
In the conventional laser cutting apparatus, since the cut surface of the adhesive material A and the cut surface of the metal sheet M are on the same plane, when the panel sheet P is adhered to the adhesive material, A part of the adhesive material A pressed by the pressure may leak to the outside. Therefore, in the conventional laser cutting apparatus, when the metal sheet M is attached to the panel sheet P, there is a problem that the display panel is contaminated by the adhesive material A leaked to the outside and the quality of the display panel is lowered .
SUMMARY OF THE INVENTION The present invention has been made to solve the problems of the prior art described above, and it is an object of the present invention to provide a laser cutting method for a stepped cutting, which improves the structure so that the adhesive does not leak to the outside when the metal sheet is attached to the panel sheet, The purpose of the device is to provide.
A step cutting laser cutting apparatus according to a preferred embodiment of the present invention is a step cutting laser cutting apparatus for laser cutting a sheet fabric formed by adhering a release film sheet to an adhesive applied to at least one surface of a metal sheet, A first laser head for emitting a first laser having a first wavelength capable of selectively cutting the release film sheet and an adhesive material and a second laser head for emitting a second laser beam having a second wavelength and a beam spot of the first laser, A first laser head for emitting a second laser having a relatively small diameter beam spot and a first head driver for reciprocating the first laser head and the second laser head along the width direction of the sheet end, A laser unit; And a third laser head for emitting the first laser, a fourth laser head for emitting the second laser, and a fourth laser head for reciprocatingly transporting the third laser head and the fourth laser head along the longitudinal direction of the sheet fabric perpendicular to the width direction And a second laser unit having a second head driver.
Preferably, the first wavelength is in the range of 9.3 탆 to 10.6 탆.
Preferably, the first laser is a carbon dioxide gas (CO 2 ) laser.
Preferably, the second wavelength is 1.06 탆 to 1.07 탆.
Preferably, the second laser is an IR laser.
Preferably, the apparatus further comprises a far-end feed unit for feeding the sheet fabric to a first cut position corresponding to the first laser unit, wherein the first laser unit cuts the sheet fabric fed to the first cut position along the width direction by laser cutting , And an intermediate product having a predetermined length is divided and formed from the sheet fabric.
Preferably, the apparatus further comprises a product transferring unit for transferring the intermediate product from the first cutting position to the second cutting position corresponding to the second laser unit, wherein the second laser unit is configured to transfer the intermediate product, conveyed to the second cutting position, And a sheet-like product having a predetermined width and a predetermined length is divided and formed from the intermediate product.
Preferably, the apparatus further comprises a product inventory in which the sheet-like product is loaded, and the product-transporting unit is characterized in that the sheet-like product is transferred from the second cutting position to the product stock.
Preferably, the product transferring unit comprises a product transferring rail extending from the first cutting position to the product stock via the second cutting position; And a product transferring jig capable of gripping and transporting the intermediate product and the sheet-like product and being moved along the product transferring rail.
Preferably, the product transferring jig includes: a first product transferring jig which grips the intermediate product at the first cutting position and transfers the intermediate product to the second cutting position; And a second product transferring jig which grips the sheet-like product at the second cutting position and transfers the product to the product stock.
Preferably, the product transporting jig is characterized by having at least one vacuum adsorption port capable of vacuum adsorption of the intermediate product and the sheet-like product.
Preferably, the first head driver has a first slider reciprocally moved along the width direction, and the first laser head and the second laser head are coupled to the first slider and are reciprocally transported together along the width direction .
Preferably, the first laser head and the second laser head are provided so as to face the release film sheet, respectively.
Preferably, the first laser unit feeds the first slider from one side of the first head driver toward the other side, and at the same time activates the first laser head to cut the release film sheet and the adhesive, And the metal sheet is cut by moving the second laser head while feeding it from the other side of the head driver toward one side.
Preferably, the second head driver has a second slider reciprocating along the longitudinal direction, and the third laser head and the fourth laser head are coupled to the second slider and are reciprocally transported together along the longitudinal direction .
Preferably, the third laser head and the fourth laser head are provided so as to face the release film sheet, respectively.
Preferably, the second laser unit transports the second slider from one side of the second head driver to the other side, and at the same time activates the third laser head to cut the release film sheet and the adhesive, And the fourth laser head is driven to cut the metal sheet while the second laser beam is transmitted from the other side of the head driver toward one side.
Preferably, the second head driver further includes a third slider provided on the second slider and reciprocally moved along the width direction, wherein the third laser head and the fourth laser head are coupled to the third slider, And is transported back and forth together.
The laser cutting apparatus for stepwise machining according to the present invention has the following effects.
First, when a sheet-like product is formed by laser cutting a formed sheet fabric adhered to at least one surface of a metal sheet with a release film sheet, the cut surface of the metal sheet protrudes from the release film sheet and the cut surface of the adhesive material Can be formed along the periphery of the sheet-like product. Then, when the display panel is manufactured by attaching the panel sheet to the adhesive material after removing the release film sheet, the adhesive material pushed and spread on the panel sheet is leaked to prevent the display panel from being contaminated by the adhesive material, Can be improved.
Second, the intermediate product is cut in the width direction of the sheet fabric, and the intermediate product is cut in the longitudinal direction to form the sheet-like product. Therefore, compared to the conventional laser cutting apparatus which requires the laser cutting operation in the width direction and the laser cutting operation in the longitudinal direction at different times, the time required for the laser cutting operation is shortened, and the productivity of the sheet- Can be improved.
Thirdly, since the sheet-like product is formed only on the left and right sides of the sheet-like product at the time of forming the sheet-like product, the remaining scraps are generated. Therefore, It is possible to reduce the amount of scrap generated at the time of forming the sheet-like product and improve the economical efficiency of the sheet-like product manufacturing process.
BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing a state in which a conventional laser cutting apparatus irradiates a laser beam onto a sheet. Fig.
FIG. 2A is a cross-sectional view of a sheet-like product showing a cut surface of a sheet-like product formed by the laser cutting apparatus of FIG. 1; FIG.
Fig. 2B is a sectional view of the sheet-like product showing the state in which the release film of Fig. 2A is removed. Fig.
Fig. 2C is a sectional view of a sheet fabric showing a state in which a panel sheet is attached to the adhesive material of Fig. 2B. Fig.
3 is a cross-sectional view of a sheet fabric for cutting processing using a laser cutting apparatus for stepping according to a preferred embodiment of the present invention.
4 is a plan view of a laser cutting apparatus for stepping according to a preferred embodiment of the present invention.
Fig. 5 is a side view of a step cutting laser cutting apparatus showing a state in which a sheet fabric and an intermediate product are respectively fed to cutting positions; Fig.
6 is a plan view of the step cutting laser cutting apparatus shown in Fig.
7A is a side sectional view of the first main plate of the first seating plate shown in FIG.
7B is a plan view of the top plate shown in Fig. 7A. Fig.
7C is a plan view of the lower plate shown in Fig. 7A. Fig.
8A is a side cross-sectional view of the first sub-plate of the first seating plate shown in Fig.
8B is a plan view of the top plate shown in FIG. 8A; FIG.
FIG. 8C is a plan view of the lower plate shown in FIG. 8A. FIG.
9A is a side view of the first head driver.
9B is another side view of the first head driver.
10 is a view showing an aspect in which a first head driver is moved by a first meandering correction unit;
11 is a view showing an aspect in which the meandering of the sheet fabric is corrected by the first meandering correction unit;
FIG. 12A is a side cross-sectional view of a second main plate of the second seating plate shown in FIG. 4; FIG.
12B is a plan view of the top plate shown in Fig.
FIG. 12C is a plan view of the lower plate shown in FIG. 11A. FIG.
FIG. 13A is a side sectional view of a second auxiliary plate included in the second seating plate shown in FIG. 4; FIG.
13B is a front sectional view of the second sub-plate shown in Fig. 13A. Fig.
13C is a plan view of the top plate shown in FIG. 13A. FIG.
Fig. 13D is a plan view of the lower plate shown in Fig. 13A. Fig.
14 is a view showing an aspect in which the second main plate is moved by the second meandering correction unit;
15 is a diagram showing an aspect in which a skew of an intermediate product is corrected by a second meandering correction unit;
16 and 17 are a plan view and a side view, respectively, of a step cutting laser cutting apparatus in which the release film sheet and the adhesive are cut by the first laser.
18A and 18B are cross-sectional views of a sheet fabric showing the manner in which the release film sheet and the adhesive material are cut by the first laser.
19 and 20 are a plan view and a side view, respectively, of a step cutting laser cutting apparatus showing a state in which a metal sheet is cut by a second laser.
21A and 21B are sectional views of sheet fabrics showing the manner in which a metal sheet is cut by a second laser.
22 and 23 are views showing an aspect in which the intermediate product and the sheet-like product are conveyed by the product conveying unit.
24A and 24B are cross-sectional views of a sheet-like product showing an aspect of attaching a panel sheet to a sheet-like product;
In the drawings, the size of each element or a specific part constituting the element is exaggerated, omitted or schematically shown for convenience and clarity of description. Therefore, the size of each component does not entirely reflect the actual size. In the following description, it is to be understood that the detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.
3 is a cross-sectional view of a sheet fabric for cutting processing using a laser cutting apparatus for stepping according to a preferred embodiment of the present invention.
The step cutting laser cutting apparatus according to the preferred embodiment of the present invention (hereinafter referred to as a "laser cutting apparatus for step cutting") laser cuts the sheet fabric F to form a sheet-like product F2 having a predetermined size . The sheet fabric F is formed by attaching a release film sheet R to an adhesive material A applied to at least one surface of a metal sheet M as shown in Fig. 3
The materials of the sheets M and R constituting the sheet fabric F and the adhesive material A are not particularly limited. For example, the metal sheet M may be formed of any one of metals having a thermal expansion coefficient of 3.0 * 10 -6 m / ° C or less, or at least two of these metals may be alloyed. For example, the release film sheet R may be formed of a synthetic resin material such as polyethylene terephthalate (PET), polyethylene (PE), or the like. For example, the adhesive material A may be formed of an epoxy-based material or a silicon-based material.
4 is a plan view of the step cutting laser cutting apparatus.
Referring to FIG. 4, the step cutting laser cutting apparatus includes a raw material feeding unit 10 for feeding sheet raw material F to a first cutting position C1; A first support plate (20) for supporting a sheet fabric (F) fed to a first cutting position (C1); The sheet material F fed to the first cutting position C1 is laser cut along the width direction of the sheet material F to form a first laser unit 30); A first meandering detecting unit (40) for detecting a meander of the sheet fabric (F) fed to the first cutting position (C1); A first meandering correction unit (50) for correcting the meander of the seat fabric (F) detected by the first meandering detection unit (40); A product feed which transports the intermediate product F1 from the first cutting position C1 to the second cutting position C2 and also transports the sheet-like product F2 from the second cutting position C2 to the product stock 110 A unit 60; The intermediate product F1 conveyed to the second cut position C2 is laser cut along the longitudinal direction of the intermediate product F1 to form the second laser unit F2 which divides the sheet product F2 from the intermediate product F1 80); A second meandering detection unit (90) for detecting a meander of the intermediate product (F1) fed to the second cutting position (C2); A second meandering correction unit (100) for correcting meandering of the intermediate product (F1) detected by the second meandering detection unit (90); And a product stock 110 on which a sheet-like product F2 conveyed by the product conveying unit 60 is loaded.
The longitudinal direction of the sheet fabric F and the longitudinal direction of the intermediate product F1 and the longitudinal direction of the sheet product F2 indicate the same direction and the width direction of the sheet fabric F and the width direction of the intermediate product F F1 and the width direction of the sheet-like product F2 indicate the same direction. 4, the longitudinal direction of the sheet material F, the longitudinal direction of the intermediate product F1, and the longitudinal direction of the sheet-like product F2 are collectively referred to as " longitudinal direction " , And the longitudinal direction of the sheet material F, the longitudinal direction of the intermediate product F1, and the longitudinal direction of the sheet-like product F2 will be collectively referred to as a " width direction ".
Also, in this specification, the leading end indicates the end toward the
Fig. 5 is a side view of the step cutting machining apparatus shown in a state in which the sheet fabric and the intermediate product are fed to a predetermined cutting position, and Fig. 6 is a plan view of the step cutting machining apparatus shown in Fig.
First, the far-
On the other hand, the far-
Next, the
The first
More specifically, the first
7A is a side sectional view of the first main plate of the first seating plate shown in FIG. 4, FIG. 7B is a plan view of the top plate shown in FIG. 7A, FIG. 7C is a plan view of the bottom plate of FIG. to be.
The structure of the first
The
As the
For example, when the far-
For example, when the
7B and 7C, the
8A is a side sectional view of the first auxiliary plate of the first seating plate shown in FIG. 4, FIG. 8B is a plan view of the upper plate shown in FIG. 8A, FIG. 8C is a plan view of the lower plate shown in FIG. to be.
The structure of the first
The
The
Next, the
Generally, the wavelength of a laser varies depending on the material that can be cut. The wavelength of the laser depends on the laser source. Therefore, the first laser LV1 for cutting the release film sheet R having the synthetic resin material and the adhesive material A, the second laser LV2 for laser cutting the metal sheet M having the metal material, ) Preferably have different wavelengths and laser sources.
For example, a carbon dioxide gas (CO 2 ) laser having a wavelength of 9.3 to 10.6 탆 capable of selectively cutting the release film sheet R and the adhesive material A can be used as the first laser LV1. For example, an IR laser having a wavelength of 1.06 mu m to 1.07 mu m and a pulse width of nanoseconds capable of selectively cutting the metal sheet M can be used as the second laser LV2. However, the present invention is not limited thereto, and lasers having various laser sources may be used as the first laser LV1 and the second laser LV2, respectively.
The
The
The
The
The
The following describes a method of laser cutting the sheet fabric F fed to the first cut position C1 using the
First, as shown in Figs. 16 and 17, the
Next, as shown in Figs. 19 and 20, the
As described above, the
On the other hand, as described above, since the beam spot of the second laser LV2 has a diameter d2 which is smaller than the diameter d1 of the beam spot of the first laser LV1, The interval between the cut surfaces M1 is narrower than the interval between the cut surfaces d1 of the release film sheet R and the interval between the cut surfaces A1 of the adhesive material A. [ 21B, the metal sheet M is provided on both ends of the intermediate product F1 in the outer direction of the intermediate product F1 as compared with the release film sheet R and the adhesive material A, A step T having a shape protruding by a length 13 proportional to the difference between the diameter d1 of the beam spot of the first laser LV1 and the diameter d2 of the beam spot of the second laser LV2 is formed do.
Next, the first
The structure of the first
Each
As the
FIG. 9A is a side view of the first head driver, FIG. 9B is another side view of the first head driver, FIG. 10 is a view showing an aspect in which the first head driver is moved by the first meandering correction unit, Fig. 8 is a view showing an aspect in which the meandering of the sheet fabric is corrected by the first meandering correction unit; Fig.
The first
9A and 9B, the first
The first
The second
The
When the conveying
As described above, since the first
The
The structure of the
10, when the
Hereinafter, a method of correcting the meander of the sheet fabric F using the first
First, the first
Next, in the case where the skew of the sheet fabric F is detected by the first
When the
Next, the
The
The
The structure of the
22 and 23, the first
Next, the
The second
The second
12A is a side sectional view of the second main plate of the second seating plate shown in Fig. 4, Fig. 12B is a plan view of the top plate shown in Fig. 12A, Fig. 12C is a plan view of the bottom plate shown in Fig. to be.
The structure of the second
The
Thus, the intermediate product F1 can be lifted or fixed by using the first
13A is a side cross-sectional view of the second auxiliary plate of the second seating plate shown in FIG. 4, FIG. 13B is a front sectional view of the second auxiliary plate shown in FIG. 13A, Fig. 13D is a plan view of the lower plate shown in Fig. 13A. Fig.
The structure of the second
13B and 13C, the
The second
20, when the intermediate product F1 is laser-cut along the longitudinal direction by the
Next, the
The
As shown in Fig. 4, when one of the
The
The
The
The
The
Hereinafter, a method of dividing and forming the sheet-like product F2 from the intermediate product F1 by laser cutting the intermediate product F1 fed to the second cut position C2 using the
First, as shown in Fig. 5, the
Next, as shown in Figs. 16 and 17, the
Next, as shown in Figs. 19 and 20, the
As described above, the first laser LV1 and the second laser LV2 have mutually different cutting speeds. Thus, the
Next, the second
The structure of the second
Each of the
Fig. 14 is a view showing a state in which the second main plate is moved by the second meandering correction unit, and Fig. 15 is a diagram showing an aspect in which the meandering of the intermediate product is corrected by the second meandering correction unit.
The second
5, the second
Hereinafter, a method of correcting the meandering of the intermediate product F1 using the second
First, the second
Next, when the meandering of the intermediate product F1 is detected by the second
When the
Next, the
Hereinafter, a method of forming the sheet-like product F2 by using the step cutting laser cutting apparatus will be described with reference to the drawings.
First, as shown in Figs. 16 and 17, the release film sheet R and the adhesive material A of the sheet fabric F supplied to the first cut position C1 are discharged from the
Next, as shown in Figs. 19 and 20, the metal sheet M of the sheet fabric F supplied onto the first cut is cut by the second laser LV2 emitted from the
Thereafter, as shown in Figs. 22 and 23, the intermediate product F1 is transferred from the first cutting position C1 to the second cutting position C2 by using the first
The laser cutting apparatus for a stepping machining is characterized in that the cut surface M1 of the metal sheet M is formed by a step of shifting outward by a predetermined distance 13 from the cut surface d1 of the release film sheet R and the adhesive material A Can be formed on the peripheral edge of the stepped product (F2). After the sheet-like product F2 is formed, the release film sheet R is removed so that the adhesive material A is exposed to the outside, as shown in Fig. 24A. Next, as shown in Fig. The display panel can be manufactured by attaching the panel sheet P to the adhesive material A exposed by the adhesive agent. 24B, since the stepped portion T is formed in the sheet-like product F2, that is, the adhesive material A is positioned inside the end face of the panel sheet P and the metal sheet M The adhesive material A does not leak to the outside even if the adhesive material A is pressed by the pressure applied from the panel sheet P when the panel sheet P is attached to the adhesive material A. Therefore, the step cutting apparatus can prevent the display panel from being contaminated by the adhesive material A, thereby improving the quality of the display panel.
The step cutting laser cutting apparatus cuts the sheet end F in the width direction by using the
When the intermediate product F1 is divided and formed from the sheet end F, the laser cutting apparatus for a stepping machining is not limited to the sheet-like product F2 only when the scrap S does not occur and the sheet- Scrap S is generated on the left and right sides of the product F2. Therefore, compared with the conventional laser cutting apparatus in which scrap having a ring shape is generated so as to surround both the front and rear sides of the sheet-like product, the laser cutting apparatus for stepping machining can reduce the scrap generated during the formation of the sheet- S) can be reduced and the economical efficiency can be improved.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not to be limited to the details thereof and that various changes and modifications will be apparent to those skilled in the art. And various modifications and variations are possible within the scope of the appended claims.
10: fabric feed unit 20: first support plate
30: first laser unit 40: first meandering detection unit
50: first meandering correction unit 60: product conveying unit
70: second support plate 80: second laser unit
90: second meander detection unit 100: 2 meandering correction unit
110: Product Inventory
C1: first cutting position C2: second cutting position
LV1: first laser LV2: second laser
E1, E1 ': first cutting path E2: second cutting path
Claims (18)
A first laser head for emitting a first laser beam having a first wavelength capable of selectively cutting the release film sheet and the adhesive material; and a second laser beam source for emitting a second wavelength capable of selectively cutting the metal sheet and a diameter of a beam spot of the first laser beam A second laser head for emitting a second laser beam having a beam spot having a relatively smaller diameter, and a first head driver for reciprocally feeding the first laser head and the second laser head along the width direction of the sheet fabric A first laser unit; And
A third laser head that emits the first laser, a fourth laser head that emits the second laser, and a third laser head that emits the third laser head and the fourth laser head in the longitudinal direction of the sheet fabric perpendicular to the width direction And a second laser unit for reciprocating the laser beam,
Wherein when the first laser and the second laser are irradiated, a stepped portion having a shape in which the metal sheet protrudes in the outer direction of the product relative to the release film sheet and the adhesive material is formed,
Wherein when the release film sheet is removed and a panel sheet is attached to an externally exposed adhesive material, the adhesive material is positioned inside the end face of the panel sheet and the metal sheet.
Wherein the first wavelength is from 9.3 탆 to 10.6 탆.
Wherein the first laser is a carbon dioxide gas (CO 2 ) laser.
And the second wavelength is 1.06 탆 to 1.07 탆.
And the second laser is an IR laser.
Further comprising a far-end feeding unit for feeding the sheet end to a first cutting position corresponding to the first laser unit,
Wherein the first laser unit cuts the sheet material fed to the first cutting position along the width direction to divide and form an intermediate product having a predetermined length from the sheet material end, Device.
Further comprising a product transfer unit for transferring the intermediate product from the first cutting position to a second cutting position corresponding to the second laser unit,
Characterized in that the second laser unit cuts the intermediate product conveyed to the second cut position along the longitudinal direction to divide and form the sheet-like product having a predetermined width and length from the intermediate product Laser cutting device for stepped machining.
Further comprising a product inventory in which the sheet-like product is loaded,
Wherein the product transfer unit transfers the sheet-like product from the second cutting position to the product stock.
The product transport unit includes:
A product transfer rail extending from the first cutting location to the product inventory via the second cutting location;
And a product transferring jig capable of holding and transporting the intermediate product and the sheet-like product, the product transferring jig being moved along the product transferring rail.
The product transferring jig includes:
A first product transferring jig holding the intermediate product at the first cutting position and transferring the intermediate product to the second cutting position; And
And a second product transferring jig holding the sheet-like product at the second cutting position and transferring the sheet-like product to the product stock.
The product transferring jig includes:
Characterized in that the intermediate product and at least one vacuum adsorbing member capable of vacuum adsorbing the sheet-like product are provided.
Wherein the first head driver has a first slider reciprocating along the width direction,
Wherein the first laser head and the second laser head are coupled to the first slider and are reciprocated together along the width direction.
Wherein the first laser head and the second laser head are provided so as to face the release film sheet, respectively.
The first laser unit feeds the first slider toward the other side of the first head driver and simultaneously operates the first laser head to cut the release film sheet and the adhesive, Wherein the slider is moved from the other side of the first head driver toward one side and the second laser head is operated to cut the metal sheet.
The second head driver has a second slider reciprocating along the longitudinal direction,
Wherein the third laser head and the fourth laser head are coupled to the second slider and are reciprocated together along the longitudinal direction.
Wherein the third laser head and the fourth laser head are provided so as to face the release film sheet, respectively.
Wherein the second laser unit feeds the second slider from one side of the second head driver toward the other side and at the same time activates the third laser head to cut the release film sheet and the adhesive material, Wherein the slider is moved from one side to the other side of the second head driver and the fourth laser head is operated to cut the metal sheet.
Wherein the second head driver further includes a third slider provided on the second slider and reciprocating along the width direction,
Wherein the third laser head and the fourth laser head are coupled to the third slider and are reciprocated together along the width direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150056678A KR101677154B1 (en) | 2015-04-22 | 2015-04-22 | A laser cutting apparatus for forming stepped portion |
Applications Claiming Priority (1)
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| KR102362288B1 (en) * | 2019-05-17 | 2022-02-14 | (주)엔피에스 | System and method for cutting film |
| CN111940921B (en) * | 2019-05-17 | 2023-04-14 | Nps株式会社 | Film cutting system and method |
| KR102439259B1 (en) * | 2020-12-18 | 2022-09-01 | 삼성디스플레이 주식회사 | A method of laser cutting display members and an apparatus for laser cutting display members |
| KR102587353B1 (en) * | 2021-11-17 | 2023-10-12 | (주)세경하이테크 | Punching method for pressure sensitive adhesive film |
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| JP2007038274A (en) * | 2005-08-04 | 2007-02-15 | Kawamura Seiki Kk | Method for cutting prepreg |
| WO2012056715A1 (en) * | 2010-10-29 | 2012-05-03 | 株式会社アルバック | Thin-film solar cell module manufacturing device and manufacturing method |
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| KR101346647B1 (en) * | 2010-06-14 | 2014-01-10 | (주)엔에스 | Laser cutting apparatus of polarizer film cutting system |
| GB2492972B (en) * | 2011-07-15 | 2013-09-11 | M Solv Ltd | Method and apparatus for dividing a thin film device into separate cells |
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| JP2007038274A (en) * | 2005-08-04 | 2007-02-15 | Kawamura Seiki Kk | Method for cutting prepreg |
| WO2012056715A1 (en) * | 2010-10-29 | 2012-05-03 | 株式会社アルバック | Thin-film solar cell module manufacturing device and manufacturing method |
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