CN108890125B - Laser head dust collector, laser instrument - Google Patents
Laser head dust collector, laser instrument Download PDFInfo
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- CN108890125B CN108890125B CN201810606223.0A CN201810606223A CN108890125B CN 108890125 B CN108890125 B CN 108890125B CN 201810606223 A CN201810606223 A CN 201810606223A CN 108890125 B CN108890125 B CN 108890125B
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- negative pressure
- compressed air
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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
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/142—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
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Abstract
The invention discloses a laser head dust removal device, which comprises: a laser beam outlet cavity, one side of which is provided with a laser beam emitting opening; a negative pressure cavity arranged outside the laser beam outlet cavity, wherein the negative pressure cavity is provided with a negative pressure cavity communication port communicated with the laser beam emitting port, and a first partition wall is arranged between the laser beam outlet cavity and the negative pressure cavity; the compressed air inlet channel is arranged on the outer side of the negative pressure cavity and communicated with the negative pressure cavity communication port, and a second partition wall is arranged between the compressed air inlet channel and the negative pressure cavity; wherein: the first partition wall is provided with a first end, and the first end is a curved surface; the second partition wall is provided with a second end which is a curved surface. The invention also discloses a laser. The laser head dust removal device and the laser can effectively remove dust generated in the laser process and dust attached to the surface of glass, and improve the dust removal operation efficiency.
Description
Technical Field
The invention relates to the field of display panels, in particular to a laser head dust removal device and a laser.
Background
In the prior art, in the laser engraving process of glass with the thickness of 0.4-1.1 mm and the G8.5 generation, dust removal in the industry is realized by sleeving a dust collection head at the outlet position of laser to remove dust, and the following technical problems, such as: the dust-removing device can only remove dust raised in the laser operation process, but the dust attached to the surface of the glass cannot be removed, and the existing laser head dust-removing device cannot effectively remove the raised dust and the dust attached to the surface.
Disclosure of Invention
The invention aims to solve the technical problem of providing a laser head dust removal device, which can effectively remove dust generated in the laser process and dust attached to the surface of glass and improve the dust collection operation efficiency.
In order to solve the technical problem, the invention provides a laser head dust removing device, which comprises: a laser beam outlet cavity, one side of which is provided with a laser beam emitting opening; a negative pressure cavity arranged outside the laser beam outlet cavity, wherein the negative pressure cavity is provided with a negative pressure cavity communication port communicated with the laser beam emitting port, and a first partition wall is arranged between the laser beam outlet cavity and the negative pressure cavity; the compressed air inlet channel is arranged on the outer side of the negative pressure cavity and communicated with the negative pressure cavity communication port, and a second partition wall is arranged between the compressed air inlet channel and the negative pressure cavity; wherein: the first baffle wall is provided with a first end head which is smoothly transited from a laser beam emitting port to the negative pressure cavity, and the first end head is a curved surface; the second partition wall is provided with a second end head which is smoothly transited from the negative pressure cavity to the compressed air inlet channel, and the second end head is a curved surface.
The compressed air inlet channel is filled with compressed air and discharged from the negative pressure cavity, a gas flow field which flows to the negative pressure cavity from the laser beam emitting port is generated at the first end, and a gas flow field which flows to the negative pressure cavity from the compressed air inlet channel is generated at the second end and is used for sucking away dust generated by the laser beam.
Wherein, still include: a negative pressure head in communication with the negative pressure cavity, wherein: the negative pressure cavity is in a ring cavity structure.
Wherein, the cavity of the negative pressure cavity is gradually narrowed from one end of the negative pressure cavity communicating opening to the other end opposite to the negative pressure cavity communicating opening.
Wherein, still include: a plurality of compressed air inlets in communication with the compressed air intake passage, wherein: the compressed air inlet channel is annular.
Wherein, a plurality of compressed air inlets equidistance is evenly arranged.
Wherein, still include: a plurality of compressed air inlets in communication with the compressed air intake passage, wherein: the compressed air inlet channel is annular.
The hollow cavities of the compressed air inlet and the negative pressure head are respectively cylindrical, and the central axis of the compressed air inlet is parallel to the central axis of the negative pressure head.
Wherein the laser beam emitting opening is funnel-shaped.
In order to solve the technical problem, the invention also discloses a laser with the laser head dust removal device.
The laser head dust removal device and the laser provided by the invention have the following beneficial effects: compressed air is introduced into the compressed air inlet channel and is discharged from the negative pressure cavity, a gas flow field which flows from the laser beam emitting port to the negative pressure cavity communicating port is generated at the first end, a gas flow field which flows from the compressed air inlet channel to the negative pressure cavity communicating port is generated at the second end, dust generated by the laser beam is sucked away, dust generated in the laser process and dust attached to the surface of glass are effectively removed, and the dust collection operation efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic top view of the laser head dust removing apparatus of the present invention.
FIG. 2 is a schematic diagram of a side view of the laser head dust removing apparatus of the present invention.
Fig. 3 is a schematic sectional view in the direction of a-a of fig. 1 of the laser head dust removing apparatus according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Fig. 1 to 3 show a first embodiment of the laser head dust removing device according to the present invention.
Laser head dust collector in this embodiment includes: the laser beam exit cavity 1, one side of the laser beam exit cavity 1 has a laser beam emitting port 11, and the other opposite side is a laser beam emitting port 11 a; a negative pressure cavity 2 arranged outside the laser beam outlet cavity 1, wherein the negative pressure cavity 2 is provided with a negative pressure cavity communicating port 21 communicated with the laser beam emitting port 11, and a first partition wall 3 is arranged between the laser beam outlet cavity 1 and the negative pressure cavity 2; the compressed air inlet channel 4 is arranged at the outer side of the negative pressure cavity 2, the compressed air inlet channel 4 is communicated with the negative pressure cavity communication port 21, and a second partition wall 5 is arranged between the compressed air inlet channel 4 and the negative pressure cavity 2; wherein: the first barrier wall 3 is provided with a first end 39 which is smoothly transited from the laser beam emission port 11 to the negative pressure cavity communication port 21, and the first end 39 is a curved surface; the second partition wall 5 has a second end 59 that smoothly transitions from the negative pressure chamber communication port 21 to the compressed air intake passage 4, and the second end 59 is a curved surface.
Laser beam outlet chamber 1 is equipped with for both ends to be used for supplying laser beam X to launch and the cavity of emergent opening, and wherein, laser beam emission mouth 11 is the infundibulate roughly, so can form curved inside wall in laser beam emission mouth 11 near position, also be convenient for simultaneously form the outside form of the first end 39 that accords with the needs, do benefit to and form gaseous strong flow field.
The negative pressure cavity 2 is arranged at the outer side of the laser beam outlet cavity 1, the two cavities share a first partition wall 3, the negative pressure cavity 2 is a hollow annular cavity, and the bottom of the first partition wall 3 is communicated with the laser beam outlet cavity 1. The negative pressure cavity 2 is provided with a negative pressure cavity communicating opening 21 at the bottom of the first partition wall 3, and the negative pressure cavity communicating opening 21 is communicated with the laser beam emitting opening 11.
Preferably, the cavity of the negative pressure cavity 2 is tapered from one end of the negative pressure cavity communication port 21 to the other end thereof. In this way, when negative pressure is generated in the negative pressure chamber 2, it is easier to form the negative pressure chamber communication port 21 having a larger diameter at the position of, for example: the surfaces of the first and second headers 39 and 59 form a strong gas flow field.
The first blocking wall 3 has a first end 39 at a position close to the laser beam emission port 11, and the first end 39 is annular and has a curved surface structure smoothly transitioning from the laser beam emission port 11 to the negative pressure chamber communication port 21. The first end 39 functions to: when negative pressure is generated in the negative pressure cavity 2, the surface of the first end 39 in the curved surface structure can form a gas channel along the surface of the arc trend, and gas flow generated according to the wall attachment effect principle can form a gas strong flow field along the surface of the arc trend to suck away dust generated in the laser process. The coanda effect in this embodiment refers to: the air flow ejected by the air source drives the flow field near the working surface to move towards the air exhaust pipeline along the design surface, and the smoke dust is prevented from diffusing and being exhausted.
The compressed air inlet channel 4 is arranged at the outer side of the negative pressure cavity 2, the second partition wall 5 is shared between the compressed air inlet channel 4 and the negative pressure cavity 2, the compressed air inlet channel 4 is an annular hollow channel, and the bottom of the compressed air inlet channel 4 is communicated with the negative pressure cavity communication port 21.
The second partition wall 5 has a second end 59 at a position close to the negative pressure chamber communication port 21, and the second end 59 is annular and has a curved surface structure smoothly transitioning from the compressed air intake passage 4 to the negative pressure chamber communication port 21. The second end 59 functions to: when negative pressure is generated in the negative pressure cavity 2, the surface of the second end 59 in the curved surface structure can form a gas channel along the surface of the arc trend, and gas flow generated according to the wall attachment effect principle can form a gas strong flow field along the surface of the arc trend to suck away dust generated in the laser process.
Further, the method also comprises the following steps: the negative pressure head 22 is communicated with the negative pressure cavity 2, and the negative pressure head 22 has the following functions: as the gas flow discharge port for generating negative pressure in the negative pressure chamber 2 to flow gas, the hollow cavity of the negative pressure head 22 is cylindrical, and two are provided with the central axis on the same straight line in this embodiment.
Further, the method also comprises the following steps: a plurality of compressed air inlets 41 communicating with the compressed air intake passage 4, the compressed air inlets 41 functioning to: the hollow cavities of the compressed air inlet 41, which are the intake air flow ports through which compressed air enters the compressed air intake passage 4 and the negative pressure chamber 2, are cylindrical, and are four in the present embodiment, with the central axes thereof on the same plane.
Preferably, the plurality of compressed air inlets 41 are uniformly arranged at equal intervals, and function as: the air flow of the compressed air entering the compressed air inlet passage 4 and the negative pressure cavity 2 is kept uniform and stable.
Preferably, the central axis of the compressed air inlet 41 and the central axis of the suction head 22 are parallel, and the functions are as follows: it is easier to create a coanda effect for the gas flow at the location of the first 39 and second 59 end heads.
When the laser head dust removing device in this embodiment is implemented, multiple compressed air streams enter the compressed air inlet channel 4 through the compressed air inlets 41, respectively, wherein: the direction of arrow Y shown in figure 3 is the direction of the air flow of the inner chamber of the laser head dust removing device, the negative pressure generated by the negative pressure cavity 2 is discharged by the negative pressure head 22, and in the process, the air flow of the communicated compressed air inlet channel 4, the negative pressure cavity 2 and the laser beam outlet cavity 1 is promoted to flow. The first end 39 is in a ring shape and is a curved surface structure which is smoothly transited from the laser beam emission port 11 to the negative pressure cavity communication port 21, and the second end 59 is in a ring shape and is a curved surface structure which is smoothly transited from the compressed air inlet passage 4 to the negative pressure cavity communication port 21; in the process that gas flow enters the negative pressure cavity 2 from the compressed air inlet channel 4 and enters the negative pressure cavity 2 from the laser beam outlet cavity 1, according to the wall attachment effect principle, a gas strong flow field which flows from the laser beam emitting port 11 to the negative pressure cavity communication port 21 is generated at the first end 39, and a gas strong flow field which flows from the compressed air inlet channel 4 to the negative pressure cavity communication port 21 is generated at the second end 59, so that a strong air flow running track is formed. Therefore, dust generated in the operation process of the laser head can be easily sucked away.
The invention also discloses a laser, which comprises a laser head, wherein the laser head adopts the laser head dust removal device of the embodiment, and the embodiment of the laser is the same as that of the laser head dust removal device, so that the description is omitted.
The laser head dust removal device and the laser provided by the invention have the following beneficial effects: compressed air is introduced into the compressed air inlet channel and is discharged from the negative pressure cavity, a gas flow field which flows from the laser beam emitting port to the negative pressure cavity communicating port is generated at the first end, a gas flow field which flows from the compressed air inlet channel to the negative pressure cavity communicating port is generated at the second end, dust generated by the laser beam is sucked away, dust generated in the laser process and dust attached to the surface of glass are effectively removed, and the dust collection operation efficiency is improved.
Claims (10)
1. A laser head dust collector, its characterized in that includes:
a laser beam exit cavity having a laser beam emitting opening at one side thereof;
the negative pressure cavity is arranged on the outer side of the laser beam outlet cavity, the negative pressure cavity is provided with a negative pressure cavity communication port communicated with the laser beam emitting port, and a first partition wall is arranged between the laser beam outlet cavity and the negative pressure cavity;
the compressed air inlet channel is arranged on the outer side of the negative pressure cavity and communicated with the negative pressure cavity communication port, and a second partition wall is arranged between the compressed air inlet channel and the negative pressure cavity; wherein:
the first baffle wall is provided with a first end head which smoothly transits from the laser beam emission port to the negative pressure cavity, and the first end head is a curved surface; the second baffle wall is provided with a second end head which smoothly transits from the negative pressure cavity to the compressed air inlet channel, and the second end head is a curved surface.
2. The laser head dedusting device as claimed in claim 1, wherein the compressed air inlet channel is filled with compressed air and exhausted from the negative pressure cavity, the first end generates a gas flow field flowing from the laser beam emitting port to the negative pressure cavity, and the second end generates a gas flow field flowing from the compressed air inlet channel to the negative pressure cavity for sucking away dust generated by the laser beam.
3. The laser head dust removal device of claim 1, further comprising: a negative pressure head in communication with the negative pressure cavity, wherein: the negative pressure cavity is of a ring cavity structure.
4. The laser head dust removal device of claim 3, wherein the cavity of the negative pressure chamber tapers from one end of the negative pressure chamber communication port to the opposite end thereof.
5. The laser head dust removal device of claim 1, further comprising: a plurality of compressed air inlets in communication with the compressed air intake passage, wherein: the compressed air inlet channel is annular.
6. The laser head dust removal device of claim 5, wherein the plurality of compressed air inlets are equally spaced.
7. The laser head dust removal device of claim 3 or 4, further comprising: a plurality of compressed air inlets in communication with the compressed air intake passage, wherein: the compressed air inlet channel is annular.
8. The laser head dedusting apparatus of claim 7 wherein the compressed air inlet and the hollow cavity of the negative pressure head are each cylindrical, and the central axis of the compressed air inlet and the central axis of the negative pressure head are parallel.
9. The laser head dust removal device of claim 1, wherein the laser beam emitting port is funnel-shaped.
10. A laser comprising the laser head dust removal apparatus of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810606223.0A CN108890125B (en) | 2018-06-13 | 2018-06-13 | Laser head dust collector, laser instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810606223.0A CN108890125B (en) | 2018-06-13 | 2018-06-13 | Laser head dust collector, laser instrument |
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| Publication Number | Publication Date |
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| CN108890125A CN108890125A (en) | 2018-11-27 |
| CN108890125B true CN108890125B (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810606223.0A Active CN108890125B (en) | 2018-06-13 | 2018-06-13 | Laser head dust collector, laser instrument |
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| CN (1) | CN108890125B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111283331A (en) * | 2020-02-28 | 2020-06-16 | 深圳市华星光电半导体显示技术有限公司 | Laser etching device |
| CN111390401A (en) * | 2020-03-26 | 2020-07-10 | 大族激光科技产业集团股份有限公司 | Dust removal device and dust removal equipment |
| CN111992951B (en) * | 2020-07-30 | 2023-05-09 | 宁夏飞鹭实业有限责任公司 | Stirrup ring rolling support device in full-automatic reinforcement cage welding machine |
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| CN201357283Y (en) * | 2009-03-08 | 2009-12-09 | 青岛科瑞特激光设备有限公司 | Intermediate dust removing structure of laser cutting machine |
| CN103358021A (en) * | 2013-06-28 | 2013-10-23 | 深圳市吉阳自动化科技有限公司 | Laser cutting machine |
| CN204818431U (en) * | 2015-06-15 | 2015-12-02 | 北京万恒镭特机电设备有限公司 | Laser welding device who contains dust removal structure |
| CN204867811U (en) * | 2015-09-08 | 2015-12-16 | 青海时代新能源科技有限公司 | Laser welding equipment |
| CN207013391U (en) * | 2017-07-14 | 2018-02-16 | 武汉金顿激光科技有限公司 | A kind of safety device and laser cleaning equipment |
| CN108098155A (en) * | 2016-11-17 | 2018-06-01 | 宁德新能源科技有限公司 | Dust-extraction unit |
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2018
- 2018-06-13 CN CN201810606223.0A patent/CN108890125B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201357283Y (en) * | 2009-03-08 | 2009-12-09 | 青岛科瑞特激光设备有限公司 | Intermediate dust removing structure of laser cutting machine |
| CN103358021A (en) * | 2013-06-28 | 2013-10-23 | 深圳市吉阳自动化科技有限公司 | Laser cutting machine |
| CN103358021B (en) * | 2013-06-28 | 2015-06-03 | 深圳市吉阳自动化科技有限公司 | Laser cutting machine |
| CN204818431U (en) * | 2015-06-15 | 2015-12-02 | 北京万恒镭特机电设备有限公司 | Laser welding device who contains dust removal structure |
| CN204867811U (en) * | 2015-09-08 | 2015-12-16 | 青海时代新能源科技有限公司 | Laser welding equipment |
| CN108098155A (en) * | 2016-11-17 | 2018-06-01 | 宁德新能源科技有限公司 | Dust-extraction unit |
| CN207013391U (en) * | 2017-07-14 | 2018-02-16 | 武汉金顿激光科技有限公司 | A kind of safety device and laser cleaning equipment |
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| CN108890125A (en) | 2018-11-27 |
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