CN109290295B - Anti-oxidation laser cleaning device - Google Patents
Anti-oxidation laser cleaning device Download PDFInfo
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- CN109290295B CN109290295B CN201811464868.1A CN201811464868A CN109290295B CN 109290295 B CN109290295 B CN 109290295B CN 201811464868 A CN201811464868 A CN 201811464868A CN 109290295 B CN109290295 B CN 109290295B
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- pipeline
- laser
- laser cleaning
- box
- air suction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
- B08B7/0042—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by laser
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
Abstract
The invention discloses an anti-oxidation laser cleaning device which comprises a sealing box, wherein a laser introducing device is arranged on the sealing box, an air suction device and an air blowing device are oppositely arranged, the air suction device and the air blowing device are fixed at two ends of an object supporting table, the object supporting table is used for placing a workpiece, a laser beam is introduced and irradiated on the workpiece by the laser introducing device, the air blowing device is connected with an air tank arranged outside the sealing box through a first pipeline, the air tank is used for storing inert gas, the air suction device is connected with a cooling box arranged outside the sealing box through a second pipeline, and the cooling box is communicated with the first pipeline through a third pipeline. The laser cleaning device carries out laser cleaning on the workpiece in the seal box, and inert gas is introduced into the seal box in the cleaning process, so that the laser cleaning is carried out under the condition of approximate oxygen-free condition, and the surface oxidation of the workpiece caused by oxygen and high temperature in the laser cleaning process is prevented. And collect laser cleaning pollutant, prevent that the pollutant from influencing operating personnel health and polluted environment.
Description
Technical Field
The invention relates to the technical field of laser cleaning, in particular to an anti-oxidation laser cleaning device.
Background
The laser cleaning technology is a product of combining a laser material processing technology and a substrate cleaning technology, and is known as one of the most potential green cleaning technologies in the 21 st century, so that the laser cleaning is urgently needed in important fields of aerospace, high-speed rail, ocean, nuclear power and the like. In addition, the laser cleaning has the characteristic of non-contact workpieces, and the workpieces are prevented from being damaged; the robot can be operated to realize automation and intellectualization; high cleaning efficiency can be achieved, and time is saved; stable process, long service time of the machine and the like.
The surface of the material is irradiated by laser, so that the surface material is heated, expanded and peeled, and the lung health of operators is seriously influenced and the environment is polluted because the surface peeled pollution particles are small. Meanwhile, because the surface has large heat, an oxide film is formed on the surface of the alloy with high activity, so that the surface durability of the material is reduced, and adverse effects are caused.
Disclosure of Invention
The invention aims to provide an anti-oxidation laser cleaning device, which is used for solving the problems in the prior art and preventing the surface of a material cleaned by laser from being oxidized.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides an anti-oxidation laser cleaning device, which comprises a seal box, wherein a laser leading-in device is arranged on the seal box, an air blowing device, an air suction device and an object supporting table are arranged in the sealed box, the air suction device and the air blowing device are oppositely arranged, the object supporting table is arranged between the air suction device and the air blowing device, the air suction device and the air blowing device are fixed at two ends of the object supporting table, the object supporting table is used for placing workpieces, the laser introducing device introduces laser beams and irradiates the workpieces, the air blowing device is connected with an air tank arranged outside the sealing box through a first pipeline, the gas pitcher is used for storing inert gas, the getter device is connected with the cooling tank that sets up outside the seal box through the second pipeline, the cooling tank pass through the third pipeline with first pipeline intercommunication.
Preferably, the lower end of the object supporting table is connected with a connecting rod, and the connecting rod is connected with a three-axis object moving table arranged outside the sealing box.
Preferably, the joint of the seal box, the first pipeline, the second pipeline and the connecting rod is respectively provided with an air leakage prevention device.
Preferably, the air suction device is provided with an air suction port, the air blowing device is provided with an air blowing port, the air suction port and the air blowing port are both trumpet-shaped and telescopic, and the maximum diameters of the air suction port and the air blowing port are not smaller than the length of the object supporting table.
Preferably, the second pipeline is communicated with the lower end of the cooling box, and the third pipeline is communicated with a circulating fan at the upper end of the cooling box.
Preferably, a circulating water cooling device and a filtering device are arranged in the cooling box, the circulating water cooling device is arranged below the filtering device, an air outlet is further formed in the cooling box, and after the gas in the second pipeline is cooled by the circulating water cooling device and filtered by the filtering device, the gas is discharged through the air outlet or flows back to the first pipeline through the third pipeline.
Preferably, a circulating fan is arranged on the third pipeline.
Preferably, the gas tank is provided with a pressure gauge and a valve.
Preferably, the inert gas in the gas tank is argon.
Compared with the prior art, the invention has the following technical effects:
the invention carries out laser cleaning on the workpiece in the sealed box, and introduces inert gas into the sealed box in the cleaning process, so that the laser cleaning is carried out under the condition of approximate oxygen-free condition, the surface oxidation of the workpiece caused by oxygen and high temperature condition in the laser cleaning process is prevented, the quality assurance is provided for the cleaning of precise materials, and the whole cleaning process is in a closed space, thereby preventing pollutants from influencing the health of people and polluting the environment. In addition, through the arrangement of the first pipeline, the second pipeline and the third pipeline, the inert gas is recycled, and the cost is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of an oxidation-resistant laser cleaning apparatus according to the present invention;
wherein: 1-laser introduction device, 2-object holding table, 3-seal box, 4-gas tank, 5-gas suction device, 6-gas blowing device, 7-connecting rod, 8-circulating fan, 9-cooling box, 10-pressure gauge, 11-three-axis object moving table, 12-first pipeline, 13-second pipeline, 14-third pipeline and 15-air discharge port.
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 obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The invention aims to provide an anti-oxidation laser cleaning device, which is used for solving the problems in the prior art and preventing the surface of a material cleaned by laser from being oxidized.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1: this embodiment provides an anti-oxidation laser cleaning device, including seal box 3, be provided with laser instrument introducing device 1 on the seal box 3, be provided with gas blowing device 6 in the seal box 3, getter device 5 and support object platform 2, getter device 5 and gas blowing device 6 are the flexible pipe that is the loudspeaker form, getter device 5 is provided with the induction port, gas blowing device 6 is provided with the mouth of blowing, induction port and the mouth of blowing set up relatively, support object platform 2 sets up between induction port and the mouth of blowing, and support object platform 2's both ends are fixed with induction port and the mouth of blowing respectively, support object platform 2 lower extreme is connected with connecting rod 7, connecting rod 7 is connected with the triaxial that sets up outside seal box 3 and moves object platform 11, triaxial moves object platform 11 control and holds in the palm the motion of object platform 2. The blowing device 6 is connected with a gas tank 4 arranged outside the seal box 3 through a first pipeline 12, a pressure gauge 10 and a valve are arranged on the gas tank 4, the gas tank 4 is used for storing inert gas, and the inert gas is recommended to be argon gas or other protective inert gas which does not react with the material to be laser cleaned. The air suction device 5 is connected with a cooling box 9 arranged outside the seal box 3 through a second pipeline 13, a circulating water cooling device and a filtering device are arranged in the cooling box 9, the circulating water cooling device is arranged below the filtering device, an air outlet 15 is further formed in the cooling box 9, the second pipeline 13 is communicated with the lower end of the cooling box 9, an upper end circulating fan 8 of the cooling box 9 is communicated with a third pipeline 14, and the third pipeline 14 is communicated with the second pipeline 13. The joints of the seal box 3, the first pipeline 12, the second pipeline 13 and the connecting rod 7 are respectively provided with an air leakage prevention device, so that air leakage can be prevented in laser cleaning.
When the anti-oxidation laser cleaning device of the embodiment carries out laser cleaning, a workpiece is placed on the object supporting table 2, air in the seal box 3 is discharged from the air discharge port 15 through the circulating fan 8 and the air suction device 5, a state similar to vacuum or negative pressure is formed in the seal box 3, the air discharge port 15 is closed, a valve of the air tank 4 is opened, after the whole device is filled with argon, the supply amount of the argon is reduced, only the loss in the third pipeline 14 needs to be compensated, the laser introducing device 1 is opened, the laser introducing device 1 introduces laser beams emitted by a laser and irradiates the workpiece for laser cleaning, the object supporting table 2 drives the workpiece to move, the best cleaning effect is achieved, in the moving process of the object supporting table 2, the air blowing port and the air suction port stretch along with the movement of the object supporting table 2, and the maximum diameter of the air suction port and the air blowing port is not smaller than the length of the object supporting table 2, in order to guarantee that the work piece on the thing platform 2 is in the argon gas environment between gas blow mouth and the induction port all the time, the pollutant and the argon gas that wash down get into cooler bin 9 through second pipeline 13, get into filter equipment after circulating water cooling device cools off, filter equipment filters pollutant and argon gas, the pollutant adsorbs in filter equipment, through filterable argon gas under circulating fan 8's effect through third pipeline 14 flow back to in the first pipeline 12, carry out cyclic utilization, after the washing, continue to keep the circulation of argon gas, make the work piece reduce to the room temperature in seal box 3 after, close gas pitcher 4 and cooler bin 9 device, take out the work piece.
In the whole laser cleaning process, parameters of a laser are controlled through a computer, the three-axis object moving table 11 is controlled to move a workpiece, the computer controls the circulating fan 8 by detecting the flow rate of argon of the air suction device 5 and the air blowing device 6, and argon compensation is carried out through detecting the flow rate of the argon in the pipeline and controlling the valve of the air tank 4.
This embodiment carries out laser cleaning to the work piece in seal box 3 to let in argon gas in 3 seal boxes at the cleaning process, make laser cleaning go on under the condition of approximate oxygen-free, prevent that oxygen and high temperature condition from causing the surface oxidation of work piece in laser cleaning process, provide quality assurance for the washing of precision material. And the pollutant lets in and collects in the cooler bin 9, prevents that the pollutant from influencing the healthy and polluted environment of people to need not to carry out the later stage to the washing scene and clear up, reduced the washing expense. In addition, through the arrangement of the first pipeline 12, the second pipeline 13 and the third pipeline 14, the inert gas is recycled, and the cost is saved.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. An anti-oxidation laser cleaning device is characterized in that: the laser welding device comprises a sealing box, wherein a laser introducing device is arranged on the sealing box, a blowing device, an air suction device and a material supporting table are arranged in the sealing box, the air suction device and the blowing device are arranged oppositely, the material supporting table is arranged between the air suction device and the blowing device, the air suction device and the blowing device are fixed at two ends of the material supporting table, the material supporting table is used for placing a workpiece, the laser introducing device introduces laser beams and irradiates the workpiece, the blowing device is connected with an air tank arranged outside the sealing box through a first pipeline, the air tank is used for storing inert gas, the air suction device is connected with a cooling box arranged outside the sealing box through a second pipeline, and the cooling box is communicated with the first pipeline through a third pipeline;
the cooling box is internally provided with a circulating water cooling device and a filtering device, the circulating water cooling device is arranged below the filtering device, the cooling box is also provided with an air outlet, and after being cooled by the circulating water cooling device and filtered by the filtering device, the gas in the second pipeline is discharged through the air outlet or flows back to the first pipeline through the third pipeline.
2. The laser cleaning apparatus according to claim 1, characterized in that: the lower end of the object supporting table is connected with a connecting rod, and the connecting rod is connected with a three-axis object moving table arranged outside the sealing box.
3. The laser cleaning apparatus according to claim 2, characterized in that: and air leakage prevention devices are respectively arranged at the joints of the seal box, the first pipeline, the second pipeline and the connecting rod.
4. The laser cleaning apparatus according to claim 1, characterized in that: the air suction device is provided with an air suction port, the blowing device is provided with a blowing port, the air suction port and the blowing port are both trumpet-shaped and telescopic, and the maximum diameters of the air suction port and the blowing port are not smaller than the length of the object supporting table.
5. The laser cleaning apparatus according to claim 1, characterized in that: the second pipeline is communicated with the lower end of the cooling box, and the third pipeline is communicated with a circulating fan at the upper end of the cooling box.
6. The laser cleaning apparatus according to claim 1, characterized in that: and a circulating fan is arranged on the third pipeline.
7. The laser cleaning apparatus according to claim 1, characterized in that: and a pressure gauge and a valve are arranged on the gas tank.
8. The laser cleaning apparatus according to claim 1, characterized in that: the inert gas in the gas tank is argon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811464868.1A CN109290295B (en) | 2018-12-03 | 2018-12-03 | Anti-oxidation laser cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811464868.1A CN109290295B (en) | 2018-12-03 | 2018-12-03 | Anti-oxidation laser cleaning device |
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| CN109290295A CN109290295A (en) | 2019-02-01 |
| CN109290295B true CN109290295B (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811464868.1A Active CN109290295B (en) | 2018-12-03 | 2018-12-03 | Anti-oxidation laser cleaning device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821823B (en) * | 2019-04-08 | 2021-11-02 | 哈尔滨工业大学 | CO2 laser/nanosecond pulse laser composite cleaning method |
| CN111215396B (en) * | 2020-01-03 | 2021-09-10 | 中国航空制造技术研究院 | Laser cleaning assembly, cleaning method and application of ultrathin sheet |
| CN111495884A (en) * | 2020-05-13 | 2020-08-07 | 南昌航空大学 | Laser cleaning device and method for inert gas auxiliary cleaning |
| CN112058808B (en) * | 2020-08-31 | 2022-05-20 | 江苏大学 | Device for cleaning easily-oxidized parts by sealed laser |
| CN114904846B (en) * | 2022-05-10 | 2023-08-25 | 郑州机械研究所有限公司 | Welding wire/welding strip laser cleaning equipment and precious metal recovery module thereof |
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| CN103064259A (en) * | 2012-12-10 | 2013-04-24 | 华中科技大学 | Isolation method and isolation system of extreme ultraviolet laser plasma light source debris |
| CN104028894A (en) * | 2014-05-19 | 2014-09-10 | 南京南车浦镇城轨车辆有限责任公司 | Laser removing system for body varnish |
| CN105149778A (en) * | 2015-07-30 | 2015-12-16 | 江苏大学 | Device and method for eliminating aluminum-steel dissimilar metal laser welding cracks and gas holes |
| CN105215008A (en) * | 2015-09-28 | 2016-01-06 | 中国科学院半导体研究所 | Extract the gas nozzle structure of erase residual waste gas |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5199595B2 (en) * | 2007-03-27 | 2013-05-15 | 東京エレクトロン株式会社 | Plasma processing apparatus and cleaning method thereof |
| CN206661840U (en) * | 2017-03-16 | 2017-11-24 | 融之航信息科技（苏州）有限公司 | A kind of composite material surface coated laser cleaning device |
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- 2018-12-03 CN CN201811464868.1A patent/CN109290295B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064259A (en) * | 2012-12-10 | 2013-04-24 | 华中科技大学 | Isolation method and isolation system of extreme ultraviolet laser plasma light source debris |
| CN104028894A (en) * | 2014-05-19 | 2014-09-10 | 南京南车浦镇城轨车辆有限责任公司 | Laser removing system for body varnish |
| CN105149778A (en) * | 2015-07-30 | 2015-12-16 | 江苏大学 | Device and method for eliminating aluminum-steel dissimilar metal laser welding cracks and gas holes |
| CN105215008A (en) * | 2015-09-28 | 2016-01-06 | 中国科学院半导体研究所 | Extract the gas nozzle structure of erase residual waste gas |
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| CN109290295A (en) | 2019-02-01 |
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