CN108581233B - Laser cutting device - Google Patents
Laser cutting device Download PDFInfo
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- CN108581233B CN108581233B CN201810714969.3A CN201810714969A CN108581233B CN 108581233 B CN108581233 B CN 108581233B CN 201810714969 A CN201810714969 A CN 201810714969A CN 108581233 B CN108581233 B CN 108581233B
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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
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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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides a laser cutting device, which is used for cutting a display panel and comprises: the cutting platform is used for bearing the display panel and is provided with a cutting channel corresponding to the cutting position of the display panel; the first vacuum adsorption component and the second vacuum adsorption component are respectively arranged at two sides of the cutting platform and used for sucking air to the cutting platform; the laser emitter is arranged on the same side of the second vacuum adsorption component and used for emitting laser to cut the display panel; the cutting platform comprises a cutting channel, a first vacuum adsorption component and a second vacuum adsorption component, wherein the cutting channel is arranged on the periphery of the cutting platform, air suction holes are formed in the periphery of the cutting platform at intervals, the air suction holes longitudinally penetrate through the cutting platform, air pressures of different positions on the surface of the cutting platform are different under the adsorption action of the first vacuum adsorption component and the second vacuum adsorption component, and formed air flows are used for adsorbing and discharging peculiar smell gases and particle impurities generated in the cutting process.
Description
Technical Field
The invention relates to the technical field of display panel manufacturing, in particular to a laser cutting device.
Background
With the progress of display technology, flexible OLED display panels gradually become mainstream, and the cutting requirements for OLED display panels are higher and higher, but in the laser cutting process of OLED products, organic matters generate peculiar smell similar to that after combustion due to laser firing in the laser cutting process due to the existence of organic light-emitting materials and film layers, so that the working environment is not good for the health of personnel; in addition, the small particle impurities generated by cutting also affect the quality of the OLED product, resulting in yield loss.
The display panel needs to be cut on a cutting platform by laser, and the current market includes a cutting platform without a cutting channel and a cutting platform with a cutting channel, but both have certain defects. The peculiar smell generated by the cutting platform without the cutting channel in the laser cutting process can not be cleaned, and small particle impurities generated by cutting can not be well removed; and as the laser cutting time and times increase, the surface of the platform is abraded, and the flatness and the precision are influenced. The existing mainstream laser cutting platform design is that the platform with the cutting channel is used, the surface of the platform and the surrounding of the platform can not be cleaned due to peculiar smell and small particle impurities generated by laser cutting in the laser cutting process, the small particle impurities affect the quality of the display panel and cause difficulty in subsequent processing, and the escaping cutting peculiar smell pollutes the working environment, affects the cleanliness and even threatens the health of working personnel.
Therefore, there is a need to provide a laser cutting apparatus to solve the problems of the prior art.
Disclosure of Invention
The invention provides a laser cutting device which can improve the cutting effect, remove peculiar smell generated in the laser cutting process and reduce the influence of particles generated by laser cutting, thereby improving the cutting quality.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
the invention provides a laser cutting device, which is used for cutting a display panel and comprises:
the cutting platform is used for bearing the display panel, and a cutting channel is arranged at the cutting position of the cutting platform corresponding to the display panel;
the first vacuum adsorption component is arranged on one side, back to the display panel, of the cutting platform;
the laser emitter is movably arranged on one side, facing the display panel, of the cutting platform and comprises a laser head used for emitting laser to cut the display panel;
the periphery of the cutting platform is provided with air suction holes at intervals around the cutting channel, the air suction holes longitudinally penetrate through the cutting platform, the first vacuum adsorption component is used for sucking air to the cutting platform, so that air pressures at different positions on the surface of the cutting platform are different, and formed air flow enables odor gas and particle impurities generated in the cutting process of the display panel to be adsorbed and discharged to a preset device through the air suction holes for treatment.
According to a preferred embodiment of the present invention, the laser cutting apparatus further comprises a second vacuum suction member disposed opposite to the first vacuum suction member and on the other side of the cutting table, the second vacuum suction member being located at a predetermined position of the laser head and configured to suck air toward the cutting table.
According to a preferred embodiment of the present invention, the suction holes have a predetermined distance from the cutting street, the second vacuum absorption member moves with the movement of the laser head, and the odor gas and the particulate impurities are exhausted through the suction holes by the gas flow between the second vacuum absorption member and the cutting platform.
According to a preferred embodiment of the present invention, the first vacuum adsorbing member and the second vacuum adsorbing member are independently controlled from each other, the first vacuum adsorbing member includes at least a first vacuum sub-adsorbing member corresponding to the suction hole, and the first vacuum sub-adsorbing members are independently controlled from each other.
According to a preferred embodiment of the present invention, the air pressure of the side of the suction hole close to the cutting street is greater than the air pressure of the side of the suction hole far from the cutting street by adjusting and controlling the air flow of the first vacuum sub-absorption member corresponding to the cutting position.
According to a preferred embodiment of the present invention, in the cutting position, the air pressure of the side of the air suction hole close to the cutting channel is greater than or equal to the air pressure of the side of the air suction hole far away from the cutting channel.
According to a preferred embodiment of the present invention, an edge region of the cutting platform is higher than a corresponding region where the display panel is correspondingly placed by a preset distance.
According to a preferred embodiment of the present invention, an axial direction of the air suction hole and a surface of the cutting platform form a preset angle, an air inlet of the air suction hole is close to the cutting channel, and an air outlet of the air suction hole is far away from the cutting channel.
According to a preferred embodiment of the present invention, the air suction holes are distributed corresponding to the edge of the display panel and are not covered by the display panel.
According to a preferred embodiment of the present invention, at least two display panels are placed on the cutting platform, and the cutting platform is provided with the air suction holes corresponding to corresponding positions between two adjacent display panels; the air suction holes are long holes or round holes arranged at intervals.
The invention has the beneficial effects that: according to the laser cutting device, the suction holes distributed at intervals are formed in the periphery of the cutting platform close to a cutting channel by utilizing the principle of peculiar smell generation in the laser cutting process and the vacuum adsorption principle, and through the mutual matching of the two vacuum adsorption components, the air pressure difference of different positions of the cutting platform is realized, so that peculiar smell gas and particle impurities enter the suction holes along with air flow and are discharged to a corresponding device for processing through a special pipeline; the influence of particle impurities generated by laser cutting is reduced, the cutting quality can be improved, the quality stability of the display panel is enhanced, and meanwhile, the yield and the environmental cleanliness are improved.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1A is a partial sectional view of a laser cutting apparatus according to a first embodiment of the present invention;
fig. 1B is a top view of a cutting platform according to a first embodiment of the present invention;
fig. 2 is a partial sectional view of a laser cutting apparatus according to a second embodiment of the present invention;
fig. 3 is a partial structural sectional view of a laser cutting apparatus according to a third embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Aiming at the technical problems that the peculiar smell gas and particle impurities generated in the laser cutting process cannot be cleaned in time, the personnel health is influenced and the quality of the display panel is influenced in the laser cutting device in the prior art, the embodiment can solve the defect.
Referring to fig. 1A to 1B, fig. 1A is a partial structural sectional view of a laser cutting device according to an embodiment of the present invention. The invention provides a laser cutting device, which is used for cutting a display panel and comprises: the cutting platform 101 is configured to carry a display panel 102, a plurality of small through holes (not shown) are uniformly distributed on a surface of the cutting platform 101, and the display panel 102 can be fixed to a preset position of the cutting platform 101 by being adsorbed through the small through holes; a cutting channel 103 is arranged at the cutting position of the cutting platform 101 corresponding to the display panel 102; as the laser cutting time and times increase, the surface of the cutting platform 101 is abraded, and the flatness and the precision are affected, so that the problem can be well solved by the design of the cutting channel 103, and the good precision and the good flatness are ensured; the peripheral edge of the cutting platform 101 is provided with air suction holes 104 at intervals around the cutting channel 103, and the air suction holes 104 longitudinally penetrate through the cutting platform 101.
The laser cutting device further comprises: a first vacuum absorption member (not shown) disposed on a side of the cutting platform 101 opposite to the display panel 102; a second vacuum suction member 105 disposed at the other side of the cutting stage 101 opposite to the first vacuum suction member; the laser emitter is movably arranged on one side, facing the display panel 102, of the cutting platform 101, and comprises a laser head 106 used for emitting laser to cut the display panel 102; preferably, the second vacuum absorption member 105 is located at a predetermined position of the laser head 106, and is movable with the movement of the laser head 106. The first vacuum absorption member and the second vacuum absorption member 105 are both used for absorbing air to the cutting platform 101, and the odor gas and particle impurities generated in the cutting process of the display panel 102 enter the air absorption hole 104 along with the airflow direction 107, and are exhausted to a preset device for processing by a special pipeline.
Fig. 1B shows a specific structure of the cutting platform 101 in the first embodiment. The middle area of the cutting platform 101 is used for placing the display panel, the cutting street 103 is arranged on the surface of the cutting platform 101 corresponding to the cutting position of the display panel, the arrangement of the cutting street 103 is consistent with that in the prior art, and details are not repeated here. The peripheral edge of the cutting platform 101 away from the preset position of the cutting channel 103 is provided with the air suction holes 104, and the air suction holes 104 are at a certain distance from the cutting channel 103 so as to avoid the influence of the sudden concentration of the air flow on the position of the display panel 102. The air suction holes 104 are arranged at intervals in segments, so that the peculiar smell gas generated during normal laser cutting of the display panel 102 can be ensured to be sucked into the air suction holes 104.
Preferably, the air suction holes 104 are distributed corresponding to the edges of the display panel and are not covered by the display panel. The air suction holes 104 are long holes, round holes, square holes, and the like, and are not limited specifically. Preferably, the air intake holes 104 are spaced elongated holes.
It is understood that, in other embodiments, the laser cutting apparatus may not include the second vacuum suction member 105, and the first vacuum suction member alone may also have the above-mentioned functions, but the present embodiment has better effect.
In another embodiment, at least two display panels are placed on the cutting platform 101, and the suction holes 104 are formed in the cutting platform 101 corresponding to the corresponding positions between two adjacent display panels. It will be appreciated that the suction holes 104 may also be staggered or otherwise configured to facilitate the distribution of exhaust gases.
In this embodiment, the first vacuum suction member and the second vacuum suction member 105 are independently controlled, the first vacuum suction member includes a plurality of first vacuum sub-suction members corresponding to the suction holes 104, and the first vacuum sub-suction members are independently controlled. Preferably, the suction range of the second vacuum suction member 105 covers the cutting street 103 and the suction hole 104 corresponding to the cutting site. Preferably, the area of the second vacuum suction member 105 corresponding to the side of the suction hole 104 facing outward (away from the display panel) is slightly larger than the area corresponding to the side facing inward (close to the display panel). The size of the air flow of the first vacuum sub-absorption member corresponding to the cutting position is adjusted, so that the local air flow at the cutting position is increased, air flows to the air suction hole 104 through the gap between the second vacuum absorption member 105 and the cutting platform 101, and because the air suction hole 104 is closer to the edge of the second vacuum absorption member 105 close to the side of the display panel 102, the air pressure at the side of the air suction hole 104 close to the cutting channel 103 is greater than the air pressure at the side of the air suction hole 104 away from the cutting channel 103. Therefore, the odor gas and the particle impurities are more favorably discharged. In addition, the second vacuum adsorption member 105 can prevent the odor gas from escaping to the space outside the cutting platform 101, thereby enhancing the safety of the environment and the personnel. Moreover, the vacuum pressure of the suction holes 104 is relatively high, so that the gas flow direction is shown as 107 in the figure, and further, the gas of the whole cutting platform 101 is ensured not to escape to the space outside the platform.
Fig. 2 is a partial sectional view of a laser cutting apparatus according to a second embodiment of the present invention. The present embodiment is different from the first embodiment in that: this laser cutting device's cutting platform includes: the display panel cutting device comprises a first platform 201 used for placing a display panel 102 to be cut, and a second platform 202 corresponding to the area outside the corresponding area of the display panel 102, wherein the second platform 202 is higher than the first platform 201 by a preset distance. The cutting channel 103 is disposed at a corresponding position of the first platform 201, and the suction holes 104 are disposed at intervals at an edge of the second platform 202 close to the first platform 201, that is, half of the diameter of the suction holes 104 is located on the second platform 202, and the other half of the diameter is located on the first platform 201; the connection portion between the first platform 201 and the second platform 202 between two adjacent suction holes 104 may be a vertical connection or a connection at a certain inclination angle, which is not limited herein.
After the first platform 201 places the display panel 102, since the distance between the display panel 102 and the second vacuum absorbing member 105 is larger than the distance between the second platform 202 and the second vacuum absorbing member 105, that is, the air flow between the first platform 201 and the second vacuum absorbing member 105 enters the air suction holes 104 through a wider channel, and the air flow between the second platform 202 and the second vacuum absorbing member 105 needs to enter the air suction holes 104 through a narrow channel, the air pressure on the side of the air suction holes 104 close to the cutting channel 103 is caused to be larger than the air pressure on the side of the air suction holes 104 far from the cutting channel 103 at the cutting point without changing the air flow of the vacuum absorbing members, so that the sucked air flow mainly comes from the direction of the cutting channel 103. Since the laser 106 generates particle impurities and odor gas at the position of the cutting channel 103 when cutting the display panel 102, the scheme can enable the particle impurities and odor gas generated at the position of the cutting channel 103 to be sucked out by the suction holes 104 along with the airflow direction 107 under the condition of not changing the airflow size of the suction member, thereby achieving the best effect. The first vacuum suction member is not limited in this embodiment, and may be provided conventionally.
Fig. 3 is a partial sectional view of a laser cutting apparatus according to a third embodiment of the present invention. The present embodiment is different from the first embodiment in that: the air suction holes 104 on the cutting platform 101 of the laser cutting device are inclined at a preset angle, namely, the axial direction of the air suction holes 104 and the surface of the cutting platform 101 form a preset angle, the air inlets of the air suction holes 104 are close to the cutting channels 103, and the air outlets of the air suction holes 104 are far away from the cutting channels 103. In this embodiment, the air suction hole 104 is shifted from the vertical direction, as shown in the figure, the air inlet of the air suction hole 104 faces the laser 106, and the air outlet is far away from the laser 106. This design changes the direction of the inspiratory air flow so that the air pressure at the side of the inspiratory hole 104 close to the cutting channel 103 is larger than the air pressure at the side of the inspiratory hole 104 far from the cutting channel 103 at the cutting site, thereby leading the inspiratory air flow to mainly come from the direction of the cutting channel 103. Air from between the display panel 102 and the second vacuum adsorption member 105 is sucked into the air suction holes 104 during operation, and particle impurities and odor gas generated at the position of the cutting channel 103 are sucked out of the air suction holes 104 along with the airflow direction 107 under the condition of not changing the airflow size of the air suction member, so that the best effect is achieved.
The invention can also lead the air pressure at different positions of the cutting platform to be different in other modes, so that the air flow mainly comes from the direction of the cutting channel, thereby sucking out particle impurities and peculiar smell gas more efficiently, and the invention belongs to the protection scope of the invention.
According to the laser cutting device, the suction holes distributed at intervals are formed in the periphery of the cutting platform close to a cutting channel by utilizing the principle of peculiar smell generation in the laser cutting process and the vacuum adsorption principle, and through the mutual matching of the two vacuum adsorption components, the air pressure difference of different positions of the cutting platform is realized, so that peculiar smell gas and particle impurities enter the suction holes along with air flow and are discharged to a corresponding device for processing through a special pipeline; the influence of particle impurities generated by laser cutting is reduced, the cutting quality can be improved, the quality stability of the display panel is enhanced, and meanwhile, the yield and the environmental cleanliness are improved.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (6)
1. A laser cutting apparatus for cutting a display panel, comprising:
the cutting platform is used for bearing the display panel, and a cutting channel is arranged at the cutting position of the cutting platform corresponding to the display panel;
the first vacuum adsorption component is arranged on one side, back to the display panel, of the cutting platform;
the second vacuum adsorption component is arranged opposite to the first vacuum adsorption component and is positioned at the other side of the cutting platform;
the laser emitter is movably arranged on one side, facing the display panel, of the cutting platform and comprises a laser head used for emitting laser to cut the display panel;
the second vacuum adsorption component moves along with the movement of the laser head and forms a channel for air flow to pass through with the cutting platform;
the peripheral edge of the cutting platform is provided with air suction holes at intervals around the cutting channel, the air suction holes longitudinally penetrate through the cutting platform, and the first vacuum adsorption component is used for sucking air to the cutting platform;
the edge area of the cutting platform is higher than the corresponding area where the display panel is correspondingly placed by a preset distance, or the second vacuum adsorption component corresponds to the area, far away from one side of the display panel, of the air suction hole is larger than the area, near one side of the display panel, of the air suction hole, so that the air pressure, near one side of the cutting channel, of the air suction hole is larger than the air pressure, far away from one side of the cutting channel, of the air suction hole, the formed air flow flows to the air suction hole through the channel, and the peculiar smell gas and particle impurities generated in the cutting process of the display panel are exhausted to a preset device through the air suction hole in an adsorption mode to be processed.
2. The laser cutting apparatus according to claim 1, wherein the second vacuum sucking means is located at a predetermined position of the laser head and sucks air toward the cutting stage.
3. The laser cutting apparatus according to claim 2, wherein the first vacuum suction member and the second vacuum suction member are independently controlled from each other, the first vacuum suction member includes at least a first vacuum sub-suction member corresponding to the suction hole, and the first vacuum sub-suction members are independently controlled from each other.
4. The laser cutting device according to claim 1, wherein an axial direction of the suction hole is at a predetermined angle with respect to the surface of the cutting platform, an air inlet of the suction hole is close to the cutting street, and an air outlet of the suction hole is far from the cutting street.
5. The laser cutting device according to claim 1, wherein the air suction holes are distributed corresponding to the edge of the display panel and are not covered by the display panel.
6. The laser cutting device according to claim 5, wherein at least two display panels are placed on the cutting platform, and the suction holes are formed in the cutting platform corresponding to the corresponding positions between two adjacent display panels; the air suction holes are long holes or round holes arranged at intervals.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810714969.3A CN108581233B (en) | 2018-07-03 | 2018-07-03 | Laser cutting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810714969.3A CN108581233B (en) | 2018-07-03 | 2018-07-03 | Laser cutting device |
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| CN108581233A CN108581233A (en) | 2018-09-28 |
| CN108581233B true CN108581233B (en) | 2020-09-08 |
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| CN201810714969.3A Active CN108581233B (en) | 2018-07-03 | 2018-07-03 | Laser cutting device |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102677888B1 (en) * | 2019-01-28 | 2024-06-26 | 삼성디스플레이 주식회사 | Suction deivice and panel processing apparatus including the same |
| CN109877903B (en) * | 2019-02-27 | 2021-07-23 | 武汉华星光电半导体显示技术有限公司 | Flexible panel auxiliary cutting device and cutting device |
| KR20200136530A (en) * | 2019-05-27 | 2020-12-08 | 삼성디스플레이 주식회사 | Display panel processing apparatus and processing method of display panel using the same |
| CN110262106B (en) * | 2019-06-24 | 2021-12-28 | 深圳市华星光电半导体显示技术有限公司 | Display panel and laser cutting method thereof |
| CN110153575B (en) * | 2019-07-03 | 2021-08-17 | 京东方科技集团股份有限公司 | Cutting platform and cutting equipment |
| CN111312786B (en) * | 2020-02-28 | 2022-11-15 | 云谷（固安）科技有限公司 | Flexible display panel and preparation method thereof |
| CN111952486B (en) * | 2020-09-01 | 2023-12-26 | 京东方科技集团股份有限公司 | Display module and preparation method thereof |
| CN113299864B (en) * | 2021-05-11 | 2022-11-08 | Tcl华星光电技术有限公司 | Preparation method of display panel, laser device and display panel |
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| JPS6049888A (en) * | 1983-08-30 | 1985-03-19 | Dainippon Printing Co Ltd | Laser cutting device |
| CN2611090Y (en) * | 2003-04-01 | 2004-04-14 | 星云电脑股份有限公司 | Double-loop dust-container |
| CN101642851A (en) * | 2008-08-06 | 2010-02-10 | 中国科学院沈阳自动化研究所 | Air suction and dust removal device of laser tailor-welding equipment |
| CN201490217U (en) * | 2009-06-19 | 2010-05-26 | 武汉三工光电设备制造有限公司 | Laser scribing machine with dust collecting system |
| CN202806122U (en) * | 2012-08-06 | 2013-03-20 | 安徽美佳印务有限公司 | Dust extraction device of laser engraving machine |
| CN104923924A (en) * | 2015-06-05 | 2015-09-23 | 江苏塞维斯数控科技有限公司 | Dedusting laser cutting machine |
| CN204913054U (en) * | 2015-08-31 | 2015-12-30 | 深圳中科光子科技有限公司 | Automatically cleaning adsorbs platform |
| CN105562945B (en) * | 2016-03-08 | 2018-03-09 | 青岛华仁技术孵化器有限公司 | A kind of laser cutting device of light guide plate |
| CN206356733U (en) * | 2016-11-23 | 2017-07-28 | 苏州瑞日纺织科技有限公司 | A kind of dust exhaust apparatus for carbon dioxide laser rig |
| CN206405619U (en) * | 2017-01-18 | 2017-08-15 | 郑州博奥激光科技有限责任公司 | A kind of dust arrester of laser cutting machine |
| CN207386835U (en) * | 2017-11-08 | 2018-05-22 | 东莞市广华精密机械电子有限公司 | A kind of laser cutting machine with Smoke Filter discharge |
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