CN107498178B - A kind of outer path optics reflecting mirror maintenance device of laser welder and its maintaining method - Google Patents
A kind of outer path optics reflecting mirror maintenance device of laser welder and its maintaining method Download PDFInfo
- Publication number
- CN107498178B CN107498178B CN201610411302.7A CN201610411302A CN107498178B CN 107498178 B CN107498178 B CN 107498178B CN 201610411302 A CN201610411302 A CN 201610411302A CN 107498178 B CN107498178 B CN 107498178B
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- Prior art keywords
- laser
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- reflecting mirror
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- spray head
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Classifications
-
- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0643—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising mirrors
-
- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
-
- 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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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses path optics reflecting mirror maintenance device and its maintaining methods outside a kind of laser welder, including the laser resonator output unit being sequentially connected by outer optical path pipeline, outer optical path mirror frame and laser Machining head, the first reflecting mirror is equipped in outer optical path mirror frame, the second reflector element of optics is equipped in laser Machining head, it further include generating device of laser, laser intensity detection device and wiper mechanism, generating device of laser is set in laser resonator output unit, laser intensity detection device is set to the outside of laser Machining head, wiper mechanism includes hydro-peening spray head, pressure hydro-peening unit, it is blown spray head and gas piping.Adjustment difficulty is big optical mirror must be disassembled cleaning, and time dress by the present invention when solving path optics mirror maintenance outside laser welder after, leads to the problem of optical device is vulnerable to influence welded seam quality is undermined.
Description
Technical field
The present invention relates to the maintenance devices of laser welder, anti-more specifically to path optics outside a kind of laser welder
Penetrate mirror maintenance device and its maintaining method.
Background technique
Cold rolling C202 acid rolls laser welder, be mainly used for throat thickness 2mm-3mm, hardness HR30Te 42-65 heat
Strip is rolled, welding machine laser source ontology outgoing mirror output facula diameter is 22mm, and power is the laser beam of 8KW, passes through outer optical path
Multiple reflections and the final welding for focusing realization laser to steel plate；Existing welding machine laser beam outside optical system uses stainless steel pipeline
Substantially closed technology, the outside optical system are made of pipeline, reflecting mirror, focus lamp and laser Machining head, are gone out in laser Machining head
There is a compressed air gas curtain in optical port position, and outer optical path is made to form a basic enclosure space.The optical mirror of outer optical path needs
It wants regular dismounting to get off to be cleaned, restore to be calibrated one by one external optical path mirror position from top to bottom when installation；Often
Secondary cleaning calibration needs more than 8 hours or so and it is necessary to be that the superb maintenance personnel of professional skill can implement, implement
Time length, large labor intensity, adjustment difficulty are high, and attended operation flaw once in a while also results in optical device and is damaged or influences welding
Weldquality, to normal weld production bring very big influence.
Summary of the invention
For disadvantages mentioned above existing in the prior art, the object of the present invention is to provide path optics outside a kind of laser welder
Reflecting mirror maintenance device and its maintaining method, optical mirror must be dismantled by solving when the outer path optics mirror of laser welder is safeguarded
Get off to clean, and adjustment difficulty is big after time dress, leads to the problem of optical device is vulnerable to influence welded seam quality is undermined.
To achieve the above object, the present invention adopts the following technical scheme:
On the one hand, the outer path optics reflecting mirror maintenance device of a kind of laser welder, including pass through outer optical path pipeline successively phase
Laser resonator output unit, outer optical path mirror frame and laser Machining head even is equipped with the in outer optical path mirror frame
One reflecting mirror, it further includes generating device of laser, laser intensity detection device that laser Machining head is interior, which to be equipped with the second reflector element of optics,
And wiper mechanism, generating device of laser are set in laser resonator output unit, laser intensity detection device is set to laser processing
The outside of head, wiper mechanism include hydro-peening spray head, pressure hydro-peening unit, blowing spray head and gas piping, the spray head of hydro-peening spray head
End is set to the side inside outer optical path mirror frame, and the end of hydro-peening spray head is connected with pressure hydro-peening unit, and is set to outer light
The outside of road mirror frame, the nozzle end for being blown spray head are set to the other side inside outer optical path mirror frame, are blown spray head
End be connected with gas piping, and be set to outer optical path mirror frame outside.
Further include correcting mechanism, be set between outer optical path mirror frame and laser Machining head, correcting mechanism includes detection
Component and mirror mount adjust component, and detection part includes development lamp, showing board and image unit, and showing board is equipped with label,
The lamp that develops is set to above showing board, and image unit is set to above development lamp, and mirror mount adjustment component and optics second reflect list
Member is connected.
The image unit includes pinhole cameras and coupled computer.
The mirror mount adjustment component includes mirror surface adjustment bracket and the locking list to fixed mirror surface adjustment bracket
Member, mirror surface adjustment bracket are connected with the second reflector element of optics.
The generating device of laser uses ruby laser generating device.
On the other hand, the maintaining method of the outer path optics reflecting mirror of a kind of laser welder, comprising the following steps:
S1: first issuing ruby laser beam by ruby laser generating device, and ruby laser beam passes through the first reflecting mirror
And after second the second reflecting mirror in reflector element, then by laser Machining head after the focus lamp in the second reflector element focuses
Output end output；
S2: laser intensity detection unit is placed in the output end of laser Machining head, laser intensity detection unit detects to swash
When luminous intensity is lower than standard value, then external the first, second reflecting mirror of path optics is needed to be cleaned；
S3: first giving pressure with pressure hydro-peening unit, is cleaned by hydro-peening spray head to the first, second reflecting mirror；
S4: giving compressed gas with gas piping again, is dried up by mirror surface of the blowing spray head to the first, second reflecting mirror；
S5: ruby laser beam is issued with ruby laser generating device again, detects to swash by laser intensity detection unit
Luminous intensity needs the position of external the first, second reflecting mirror of path optics to be calibrated if also less than standard value；
S6: being 5%, turn-on time 20-25ms by laser intensity settings when calibration, development lamp is opened, showing board adjustment
To calibrating position, triggering and conducting laser, low level laser is got on showing board after the reflection of the first reflecting mirror shows that reality swashs
Light-beam position is sent to computer radial direction image after pinhole cameras shooting developed image and shows and deviation computing unit, calculates
Deviation；Then mirror mount position is adjusted according to deviation, unclamps locking unit, deviation is adjusted according to scale, is adjusted in place
Afterwards, then locking unit is locked again.
Standard value in the S2 is 75%.
Pressure hydro-peening unit in the S3 cleans mirror surface using the pressure of 0.2~0.25MPa, cleaning two
Secondary, cleaning one minute, interval carried out cleaning for second after five minutes for the first time, cleaned two minutes.
Gas piping in the S4 is blown mirror surface using the pressure of 0.1~0.15MPa, and the time is three points
Clock.
The present invention prejudges outer optical path states using ruby laser, uses built-in spray head to use pressure after judging state deterioration
The mode of power hydro-peening and compressed air drying, which mills to clean instead of disassembly, improves maintenance efficiency, built-in developing parts and pin hole camera shooting
The calibration and inspection adjusted of the online optical mirror position of Display Realization, overcoming laser, the maintenance of path optics mirror must incite somebody to action outside
Adjustment difficulty is big after optical mirror disassembles cleaning and returns dress, and optical device is caused to influence welded seam quality vulnerable to undermining
Problem improves the accuracy and efficiency of optical mirror calibration and adjustment and maintenance.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the schematic diagram of wiper mechanism of the present invention；
Fig. 3 is the detection part schematic diagram of correcting mechanism of the present invention；
Fig. 4 is the mirror mount adjustment block diagram of correcting mechanism of the present invention；
Fig. 5 is the exploded view at the position a in Fig. 4.
Specific embodiment
Technical solution of the present invention is further illustrated with reference to the accompanying drawings and examples.
Incorporated by reference to shown in Fig. 1 to Fig. 5, a kind of outer path optics reflecting mirror maintenance dress of laser welder provided by the present invention
It sets, laser resonator output unit 2, outer optical path mirror frame 3 and laser including being sequentially connected by outer optical path pipeline 1 add
Foreman 4, and the first reflecting mirror 301 is equipped in outer optical path mirror frame 3, is equipped with the second reflector element of optics in laser Machining head 4
401, it further include generating device of laser 5, laser intensity detection device 6 and wiper mechanism 7, it is humorous that generating device of laser 5 is set to laser
It shakes in chamber output unit 2, laser intensity detection device 6 is set to the outside of laser Machining head 4, and wiper mechanism 7 includes hydro-peening spray head
701, pressure hydro-peening unit 702, blowing spray head 703 and gas piping 704, hydro-peening spray head 701 use multi-angle showerhead, spray head
End is set to the side inside outer optical path mirror frame 3, and the end of hydro-peening spray head 701 is connected with pressure hydro-peening unit 702, and sets
In the outside of outer optical path mirror frame 3, for hydro-peening unit mainly using mixing cleaning solution, blowing spray head 703 is also using more
Angle spray head, nozzle end are set to inside outer optical path mirror frame 3 other side, are blown end and the flue of spray head 703
Road 704 is connected, and is set to the outside of outer optical path mirror frame 3, is additionally provided with one and unit 8 is recovered by filtration, for holding hydro-peening mistake
Cleaning solution.
In addition, further including correcting mechanism 9, it is set between outer optical path mirror frame 3 and laser Machining head 4, correcting mechanism 9
Component 902 is adjusted including detection part 901 and mirror mount, detection part 901 includes development lamp 9011, showing board 9012 and shadow
As unit, the side of showing board 9012 is connected with position adjustment bracket 9013, and showing board 9012 is equipped with label 9014, label 9014
The label of cross scale can be used, development lamp 9011 is set to 9012 top of showing board, and development lamp 9011 is purple using waterproof laser
Outer development lamp, image unit are set to 9011 top of development lamp, and mirror mount adjusts component 902 and the second reflector element of optics 401
It is connected.
Preferably, the image unit includes pinhole cameras 9015 and coupled computer 9016, pin hole is taken the photograph
Image is sent to computer 9016 as first 9015, passes through computer 9016 and shows image and carry out deviation calculating.
Preferably, the mirror mount adjustment component 902 includes that mirror surface adjusts bracket 9021 and to fixed mirror surface tune
The locking unit 9022 of whole bracket 9021, mirror surface adjust the second reflecting mirror in bracket 9021 and the second reflector element of optics 401
4011 are connected, and first unscrew locking unit 9022, then adjust bracket 9021 by mirror surface to rotate the second reflecting mirror 4011
The angle of mirror surface after the completion of adjustment, then tightens locking unit 9022.
Preferably, the generating device of laser 5 uses ruby laser generating device 501.
Using the maintaining method of path optics reflecting mirror outside a kind of laser welder of the invention, comprising the following steps:
S1: ruby laser beam is first issued by ruby laser generating device 601, ruby laser beam is by the first reflection
After the second reflecting mirror 4011 in mirror 401 and the second reflector element 401, then through the focus lamp 4012 in the second reflector element 401
It is exported after focusing by the output end 402 of laser Machining head 4；
S2: laser intensity detection unit 6 is placed in the output end 402 of laser Machining head 4, laser intensity detection unit 6 is examined
When measuring laser intensity lower than standard value, then external the first, second reflecting mirror of path optics 301,4011 is needed to be cleaned；
S3: first giving pressure with pressure hydro-peening unit 702, by the multi-angle of hydro-peening spray head 701 clean direction to first,
Second reflecting mirror 301,4011 is cleaned；
S4: giving compressed gas with gas piping 704 again, by be blown the multi-angle blowing direction of spray head 703 to first,
The mirror surface of second reflecting mirror 301,4011 is dried up；
S5: ruby laser beam is issued with ruby laser generating device 601 again, is detected by laser intensity detection unit 6
Laser intensity out needs the position of external the first, second reflecting mirror of path optics 301,4011 to carry out school if also less than standard value
It is quasi-；
S6: when calibration, it is 5%, turn-on time 20-25ms by laser intensity settings, opens development lamp 9011, development
Plate 9012 is adjusted to calibrating position, triggering and conducting laser, and low level laser gets to showing board after the reflection of the first reflecting mirror 301
It is shown on 9012 and is sent to the radial image of computer 9016 after practical laser beam position, pinhole cameras 9015 shoot developed image
Display and deviation computing unit, calculate deviation；Then mirror mount position is adjusted according to deviation, unclamps locking unit
9022, deviation is adjusted according to scale, mirror surface is calibrated repeatedly and adjusts bracket 9021, so as to adjust the position of the second reflecting mirror 4011,
Until being adjusted in place, then locking unit 9022 is locked again.
Preferably, the standard value in the S2 is 75%.
Preferably, the pressure hydro-peening unit 702 in the S3 carries out clearly mirror surface using the pressure of 0.2~0.25MPa
It washes, twice, cleaning one minute, interval carried out cleaning for second after five minutes for the first time for cleaning, cleaned two minutes, cleaning is used
Mixing cleaning solution be mainly acetone and detergent mixes in proportion made of liquid, wherein acetone soln is 70~75%, clearly
Clean dose is 30~25%, and temperature when mixed solution is 55~65 DEG C.
Preferably, the gas piping 704 in the S4 is blown mirror surface using the pressure of 0.1~0.15MPa, when
Between be three minutes.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above
Change, modification will all be fallen within the scope of claims of the present invention.
Claims (7)
1. a kind of outer path optics reflecting mirror maintenance device of laser welder, the laser including being sequentially connected by outer optical path pipeline are humorous
Shake chamber output unit, outer optical path mirror frame and laser Machining head, is equipped with the first reflecting mirror in outer optical path mirror frame, swashs
The second reflector element of optics is equipped in light processing head, which is characterized in that further include generating device of laser, laser intensity detection device
And wiper mechanism, generating device of laser are set in laser resonator output unit, laser intensity detection device is set to laser processing
The outside of head, wiper mechanism include hydro-peening spray head, pressure hydro-peening unit, blowing spray head and gas piping, the spray head of hydro-peening spray head
End is set to the side inside outer optical path mirror frame, and the end of hydro-peening spray head is connected with pressure hydro-peening unit, and is set to outer light
The outside of road mirror frame, the nozzle end for being blown spray head are set to the other side inside outer optical path mirror frame, are blown spray head
End be connected with gas piping, and be set to outer optical path mirror frame outside,
Further include correcting mechanism, is set between outer optical path mirror frame and laser Machining head, correcting mechanism includes detection part
Component is adjusted with mirror mount, detection part includes development lamp, showing board and image unit, and showing board is equipped with label, development
Lamp is set to above showing board, and image unit is set to above development lamp, and mirror mount adjusts component and optics the second reflector element phase
Even,
The image unit includes pinhole cameras and coupled computer.
2. the outer path optics reflecting mirror maintenance device of a kind of laser welder as described in claim 1, which is characterized in that described
Mirror mount adjustment component includes adjusting bracket and the locking unit to fixed mirror surface adjustment bracket, and mirror surface adjusts bracket and light
The second reflector element is learned to be connected.
3. the outer path optics reflecting mirror maintenance device of a kind of laser welder as described in claim 1, which is characterized in that described
Generating device of laser uses ruby laser generating device.
4. a kind of outer path optics of laser welder of the outer path optics reflecting mirror maintenance device of laser welder as described in claim 1
The maintaining method of reflecting mirror, which comprises the following steps:
S1: ruby laser beam is first issued by ruby laser generating device, ruby laser beam is by the first reflecting mirror and the
After the second reflecting mirror in two reflector elements, then by the output of laser Machining head after the focus lamp in the second reflector element focuses
End output；
S2: laser intensity detection unit is placed in the output end of laser Machining head, laser intensity detection unit detects that laser is strong
When degree is lower than standard value, then external the first, second reflecting mirror of path optics is needed to be cleaned；
S3: first giving pressure with pressure hydro-peening unit, is cleaned by hydro-peening spray head to the first, second reflecting mirror；
S4: giving compressed gas with gas piping again, is dried up by mirror surface of the blowing spray head to the first, second reflecting mirror；
S5: ruby laser beam is issued with ruby laser generating device again, detects that laser is strong by laser intensity detection unit
Degree, if also less than standard value, needs the position of external the first, second reflecting mirror of path optics to be calibrated；
S6: being 5%, turn-on time 20-25ms by laser intensity settings when calibration, development lamp is opened, and showing board is adjusted to school
Level is set, triggering and conducting laser, and low level laser is got on showing board after the reflection of the first reflecting mirror and shows practical laser beam
Position is sent to that computer radial direction image is shown and deviation computing unit, calculating deviate after pinhole cameras shooting developed image
Value；Then mirror mount position is adjusted according to deviation, unclamps locking unit, deviation is adjusted according to scale, after being adjusted in place, so
Locking unit is locked again afterwards.
5. a kind of maintaining method of the outer path optics reflecting mirror of laser welder as claimed in claim 4, which is characterized in that described
S2 in standard value be 75%.
6. a kind of maintaining method of the outer path optics reflecting mirror of laser welder as claimed in claim 4, which is characterized in that described
S3 in pressure hydro-peening unit mirror surface is cleaned using the pressure of 0.2 ~ 0.25MPa, cleaning twice, cleaning one for the first time
Minute, interval carried out cleaning for second after five minutes, cleaned two minutes.
7. a kind of maintaining method of the outer path optics reflecting mirror of laser welder as claimed in claim 4, which is characterized in that described
S4 in gas piping mirror surface is blown using the pressure of 0.1 ~ 0.15MPa, the time is three minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610411302.7A CN107498178B (en) | 2016-06-14 | 2016-06-14 | A kind of outer path optics reflecting mirror maintenance device of laser welder and its maintaining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610411302.7A CN107498178B (en) | 2016-06-14 | 2016-06-14 | A kind of outer path optics reflecting mirror maintenance device of laser welder and its maintaining method |
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| Publication Number | Publication Date |
|---|---|
| CN107498178A CN107498178A (en) | 2017-12-22 |
| CN107498178B true CN107498178B (en) | 2019-03-29 |
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| CN201610411302.7A Active CN107498178B (en) | 2016-06-14 | 2016-06-14 | A kind of outer path optics reflecting mirror maintenance device of laser welder and its maintaining method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111992874A (en) * | 2020-09-22 | 2020-11-27 | 山东钢铁集团日照有限公司 | Method for adjusting laser light path of laser welding machine |
| CN117817151B (en) * | 2024-03-05 | 2024-06-18 | 北京卓镭激光技术有限公司 | Laser processing system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1610598A (en) * | 2003-05-20 | 2005-04-27 | 三菱电机株式会社 | Laser processing device |
| CN101804521A (en) * | 2010-04-15 | 2010-08-18 | 中国电子科技集团公司第四十五研究所 | Galvanometer system correction device and correction method thereof |
| CN202021428U (en) * | 2010-03-05 | 2011-11-02 | 武汉大族金石凯激光***有限公司 | Laser beam welding head used for laser pie welding equipment |
| CN104511691A (en) * | 2013-09-29 | 2015-04-15 | 宝山钢铁股份有限公司 | Laser beam outer light path system for laser welding machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2670857B2 (en) * | 1989-06-29 | 1997-10-29 | ファナック株式会社 | Laser processing equipment |
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2016
- 2016-06-14 CN CN201610411302.7A patent/CN107498178B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1610598A (en) * | 2003-05-20 | 2005-04-27 | 三菱电机株式会社 | Laser processing device |
| CN202021428U (en) * | 2010-03-05 | 2011-11-02 | 武汉大族金石凯激光***有限公司 | Laser beam welding head used for laser pie welding equipment |
| CN101804521A (en) * | 2010-04-15 | 2010-08-18 | 中国电子科技集团公司第四十五研究所 | Galvanometer system correction device and correction method thereof |
| CN104511691A (en) * | 2013-09-29 | 2015-04-15 | 宝山钢铁股份有限公司 | Laser beam outer light path system for laser welding machine |
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