CN107262919A - A kind of Atomatic focusing method of laser process equipment - Google Patents
A kind of Atomatic focusing method of laser process equipment Download PDFInfo
- Publication number
- CN107262919A CN107262919A CN201710550472.8A CN201710550472A CN107262919A CN 107262919 A CN107262919 A CN 107262919A CN 201710550472 A CN201710550472 A CN 201710550472A CN 107262919 A CN107262919 A CN 107262919A
- Authority
- CN
- China
- Prior art keywords
- feux rouges
- laser
- rouges indicator
- rotating shaft
- auxiliary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/046—Automatically focusing the laser beam
-
- 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
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/046—Automatically focusing the laser beam
- B23K26/048—Automatically focusing the laser beam by controlling the distance between laser head and workpiece
-
- 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
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
Abstract
The invention provides a kind of Atomatic focusing method of laser process equipment, comprise the following steps：S01, be built-in with focusing lens and export feux rouges indicator laser external fixing device for installing, clamping device is hinged with by rotating shaft in fixing device, auxiliary feux rouges indicator is fixed with clamping device, the output shaft of the output shaft and auxiliary feux rouges indicator that export feux rouges indicator is generally aligned in the same plane interior and rotating shaft and the plane are perpendicular；S02, spark size of the observation laser action on workpiece operation face are to adjust laser to the distance of workpiece to realize thick focusing；S03, regulation auxiliary feux rouges indicator angle；S04, unlatching auxiliary feux rouges indicator and output feux rouges indicator make it light simultaneously, then produce two feux rouges hot spots in workpiece operation face, the distance between laser and workpiece are finely adjusted up to two hot spots are overlapped in workpiece weld, so as to complete exact focus.This invention removes human error, simple to operate, debugging efficiency is high, and with low cost.
Description
Technical field
The present invention relates to field of laser processing, more particularly to a kind of Atomatic focusing method for laser process equipment.
Background technology
Laser processing technology is the characteristic using laser beam and matter interaction, to material (including metal with nonmetallic)
Cut, welded, is surface-treated, being punched and micro Process etc. a process technology.Laser Processing is used as advanced manufacturing technology
The national economy important department such as automobile, electronics, electrical equipment, aviation, metallurgy, machine-building is widely used to, to improving product matter
Amount, labor productivity, automation, pollution-free, reduction material consumption etc. play more and more important effect.Utilize laser robot
When being processed, needed again after laser or focusing lens, and replacing need to be changed according to processing purposes or workpiece material
Focusing.Focusing mode in existing laser processing application using manual teaching range estimation plus physical detection methods, especially in face of
It is not only extremely inefficient and error is larger using the manual focus mode of point-to-point during the workpiece of complex appearance, and processing of robots
Generally require multiple spot teaching focusing during workpiece, such as curved surface or Curve Machining then focus difficulty and error it is bigger, efficiency is lower, tune
Examination efficiency is difficult to keep up with production requirement.Publication No. discloses a kind of Laser Processing for CN105562924A patent application document and set
Standby auxilary focusing method, wherein completing the centering to laser beam using centralizer, is indicated using focus positioner and focus
Device determines the focus of laser beam, although it can realize more accurate focusing, but the device structure utilized is complex, peace
Dress operation is also relatively complicated, and debugging efficiency is limited and cost is higher, is unfavorable for popularization and application.
The content of the invention
For the deficiency in the presence of prior art, the invention provides a kind of auto-focusing side of laser process equipment
Method, can effectively eliminate the error produced by artificial teaching, at the same it is with low cost, simple to operate, and greatly improve debugging efficiency.
To achieve the above object, present invention employs following technical scheme：
A kind of Atomatic focusing method of laser process equipment, it comprises the following steps：
S01, it is being built-in with focusing lens and is exporting the laser external fixing device for installing of feux rouges indicator, wherein fixed
It is hinged with device by rotating shaft on clamping device, clamping device and is fixed with auxiliary feux rouges indicator, output feux rouges indicator
The central shaft of output shaft and focusing lens coincides, and exports the output shaft of feux rouges indicator and the output shaft of auxiliary feux rouges indicator
In being generally aligned in the same plane and rotating shaft and the plane are perpendicular, then measure rotating shaft to export feux rouges indicator output shaft distance, turn
Projection of the axle on output feux rouges indicator output shaft to focusing lens photocentre distance and auxiliary feux rouges indicator to rotating shaft
Distance；
S02, laser is fixed on mechanical arm, places workpiece in laser outbound course, be then turned on laser
Make its light extraction, spark size of the observation laser action on workpiece operation face is thick to realize to the distance of workpiece to adjust laser
Focusing；
S03, the multiple according to focusing lens and the rotating shaft measured extremely export distance, the rotating shaft of feux rouges indicator output shaft
Output feux rouges indicator output shaft on projection to focusing lens photocentre distance and auxiliary feux rouges indicator to rotating shaft away from
From the angle of regulation auxiliary feux rouges indicator；
S04, unlatching auxiliary feux rouges indicator and output feux rouges indicator make it light simultaneously, then are produced in workpiece operation face
Two feux rouges hot spots, are then finely adjusted by movable mechanical arm to the distance between laser and workpiece, until two light
Spot is overlapped in workpiece weld, then the coincidence point is the focus of outgoing laser beam, so as to complete exact focus.
The present invention principle be：The focus of laser focusing lens is located on the output shaft of output feux rouges indicator, simultaneously
The output shaft of auxiliary feux rouges indicator and output feux rouges indicator then adjusts the angle of auxiliary feux rouges indicator in being generally aligned in the same plane
Spend to proper angle so that the feux rouges that auxiliary feux rouges indicator is sent respectively with output feux rouges indicator is coincided with a bit, and this is heavy
Chalaza is the focus of outgoing laser beam, so as to realize auto-focusing.
Compared to prior art, the present invention has the advantages that：The error produced by artificial teaching is effectively eliminated,
Improve product quality；Debugging operations of focusing are simple, debugging efficiency can be greatly improved, so as to improve processing efficiency；While equipment
It is with low cost, be conducive to popularization and application.
Brief description of the drawings
Installations and principle schematic of the Fig. 1 for the present invention.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further illustrated to the technical scheme in the present invention.
As shown in figure 1, the present invention proposes a kind of Atomatic focusing method of laser process equipment, it comprises the following steps：
S01, fix bar 20 is installed being built-in with outside the laser 10 of focusing lens 11 and output feux rouges indicator 12, its
Mounting rod 40 is hinged with by rotating shaft 30 in middle fix bar 20, mounting rod 40 is provided with perpendicular to mounting rod 40 away from the one end of rotating shaft 30
Auxiliary feux rouges indicator 50, the output shaft of output feux rouges indicator 12 are fixed with the mounting hole 400 and mounting hole 400 of central shaft
Coincided with the central shaft of focusing lens 11, the output shaft of output feux rouges indicator 12 and the output shaft of auxiliary feux rouges indicator 50
In being generally aligned in the same plane and rotating shaft 30 and the plane are perpendicular, the photocentres of focusing lens 11 be located at the place of rotating shaft 30 and with output
In the perpendicular plane of the output shaft axle of feux rouges indicator 12, then rotating shaft 30 is measured to the distance of the output output shaft of feux rouges indicator 12
And feux rouges indicator 50 is aided in the distance of rotating shaft 30；
S02, laser 10 is fixed on mechanical arm, places workpiece 60 in the outbound course of laser 10, be then turned on
Laser 10 makes its light extraction, observes spark size of the laser action in the scope of operation of workpiece 60 to adjust laser 10 to workpiece 60
Distance to realize thick focusing；
S03, the multiple according to focusing lens 11 and the rotating shaft 30 that measures to the output output shaft of feux rouges indicator 12 away from
Indicated from, rotating shaft 30 with a distance from projection to the photocentre of focusing lens 11 on the output output shaft of feux rouges indicator 12 with auxiliary feux rouges
Device 50 aids in the angle of feux rouges indicator 50 to the distance regulation of rotating shaft 30；
S04, unlatching auxiliary feux rouges indicator 50 and output feux rouges indicator 12 make it light simultaneously, then in the operation of workpiece 60
Face produces two feux rouges hot spots, and then the distance between laser 10 and workpiece 60 are finely adjusted by movable mechanical arm,
Until two hot spots are overlapped in the weld of workpiece 60, then the coincidence point is the focus of outgoing laser beam, so as to complete accurate right
It is burnt.
Compared with traditional artificial teaching focusing technology, it is fast automatic right that the present invention is realized using external auxiliary focusing system
Jiao, drastically increases production efficiency and eliminates the error produced by artificial teaching, greatly improve debugging efficiency, it is ensured that
Product quality.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to skill of the invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (3)
1. a kind of Atomatic focusing method of laser process equipment, it is characterised in that comprise the following steps：
S01, it is being built-in with focusing lens and is exporting the laser external fixing device for installing of feux rouges indicator, wherein fixing device
Upper be hinged with by rotating shaft on clamping device, clamping device is fixed with auxiliary feux rouges indicator, exports the output of feux rouges indicator
The central shaft of axle and focusing lens coincides, and the output shaft of the output shaft and auxiliary feux rouges indicator that export feux rouges indicator is located at
In same plane and rotating shaft and the plane are perpendicular, then measure rotating shaft to the distance of output feux rouges indicator output shaft, rotating shaft and exist
Export feux rouges indicator output shaft on projection to focusing lens photocentre distance and auxiliary feux rouges indicator to rotating shaft away from
From；
S02, laser is fixed on mechanical arm, places workpiece in laser outbound course, being then turned on laser makes it
Light extraction, spark size of the observation laser action on workpiece operation face is thick right to realize to the distance of workpiece to adjust laser
It is burnt；
S03, the multiple according to focusing lens and the rotating shaft measured extremely export the distance of feux rouges indicator output shaft, rotating shaft defeated
The projection gone out on feux rouges indicator output shaft to the distance and auxiliary feux rouges indicator of focusing lens photocentre to the distance of rotating shaft is adjusted
The angle of section auxiliary feux rouges indicator；
S04, unlatching auxiliary feux rouges indicator and output feux rouges indicator make it light simultaneously, then produce two in workpiece operation face
Feux rouges hot spot, is then finely adjusted by movable mechanical arm to the distance between laser and workpiece, until two hot spots exist
Workpiece weld is overlapped, then the coincidence point is the focus of outgoing laser beam, so as to complete exact focus.
2. a kind of Atomatic focusing method of laser process equipment as claimed in claim 1, it is characterised in that：The step S01
In, during fixing device for installing, it is ensured that the photocentre of focusing lens be located at rotating shaft where and with output feux rouges indicator output shaft axle
In perpendicular plane.
3. a kind of Atomatic focusing method of laser process equipment as claimed in claim 1, it is characterised in that：The step S01
In, the fixing device is fix bar, and the clamping device is mounting rod and the mounting rod is provided with vertical away from rotating shaft one end
In the mounting hole of mounting rod central shaft, the auxiliary feux rouges indicator is fixed in mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710550472.8A CN107262919A (en) | 2017-07-07 | 2017-07-07 | A kind of Atomatic focusing method of laser process equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710550472.8A CN107262919A (en) | 2017-07-07 | 2017-07-07 | A kind of Atomatic focusing method of laser process equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107262919A true CN107262919A (en) | 2017-10-20 |
Family
ID=60072473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710550472.8A Pending CN107262919A (en) | 2017-07-07 | 2017-07-07 | A kind of Atomatic focusing method of laser process equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107262919A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454343A (en) * | 2018-11-19 | 2019-03-12 | 江苏金海创科技有限公司 | Convertible red light preview device |
| CN109652620A (en) * | 2019-02-22 | 2019-04-19 | 湖北汽车工业学院 | Laser tool central point caliberating device, laser quenching equipment and laser-quenching method |
| CN109954968A (en) * | 2017-12-25 | 2019-07-02 | 大族激光科技产业集团股份有限公司 | A kind of laser spot positioning device and method |
| CN110120577A (en) * | 2019-05-21 | 2019-08-13 | 中国联合网络通信集团有限公司 | The mounting device and installation method of antenna |
| CN110950551A (en) * | 2019-11-26 | 2020-04-03 | 杭州上池科技有限公司 | Method for welding endoscope protective lens by ultrashort pulse laser |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101176952A (en) * | 2007-12-04 | 2008-05-14 | 深圳市星辰激光技术有限公司 | Auxiliary focusing mechanism of laser marking machine and use method thereof |
| CN201455548U (en) * | 2009-07-20 | 2010-05-12 | 北京工业大学 | Laser three-dimensional positioning device for laser processing system |
| CN203843368U (en) * | 2014-03-31 | 2014-09-24 | 南京先进激光技术研究院 | Defocusing distance positioning device |
| CN105562924A (en) * | 2016-02-02 | 2016-05-11 | 重庆凯沃德光电自动化设备有限公司 | Auxiliary focusing method for laser machining equipment |
| CN205720869U (en) * | 2016-05-05 | 2016-11-23 | 上海眸特实业有限公司 | The laser scanning galvanometer that focal length location is visual |
-
2017
- 2017-07-07 CN CN201710550472.8A patent/CN107262919A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101176952A (en) * | 2007-12-04 | 2008-05-14 | 深圳市星辰激光技术有限公司 | Auxiliary focusing mechanism of laser marking machine and use method thereof |
| CN201455548U (en) * | 2009-07-20 | 2010-05-12 | 北京工业大学 | Laser three-dimensional positioning device for laser processing system |
| CN203843368U (en) * | 2014-03-31 | 2014-09-24 | 南京先进激光技术研究院 | Defocusing distance positioning device |
| CN105562924A (en) * | 2016-02-02 | 2016-05-11 | 重庆凯沃德光电自动化设备有限公司 | Auxiliary focusing method for laser machining equipment |
| CN205720869U (en) * | 2016-05-05 | 2016-11-23 | 上海眸特实业有限公司 | The laser scanning galvanometer that focal length location is visual |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109954968A (en) * | 2017-12-25 | 2019-07-02 | 大族激光科技产业集团股份有限公司 | A kind of laser spot positioning device and method |
| CN109454343A (en) * | 2018-11-19 | 2019-03-12 | 江苏金海创科技有限公司 | Convertible red light preview device |
| CN109652620A (en) * | 2019-02-22 | 2019-04-19 | 湖北汽车工业学院 | Laser tool central point caliberating device, laser quenching equipment and laser-quenching method |
| CN110120577A (en) * | 2019-05-21 | 2019-08-13 | 中国联合网络通信集团有限公司 | The mounting device and installation method of antenna |
| CN110950551A (en) * | 2019-11-26 | 2020-04-03 | 杭州上池科技有限公司 | Method for welding endoscope protective lens by ultrashort pulse laser |
| CN110950551B (en) * | 2019-11-26 | 2022-06-07 | 杭州上池科技有限公司 | Method for welding endoscope protective lens by ultrashort pulse laser |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20171020 |