CN111299835A - Laser flight welding online repair welding device and method - Google Patents
Laser flight welding online repair welding device and method Download PDFInfo
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- CN111299835A CN111299835A CN202010148904.4A CN202010148904A CN111299835A CN 111299835 A CN111299835 A CN 111299835A CN 202010148904 A CN202010148904 A CN 202010148904A CN 111299835 A CN111299835 A CN 111299835A
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- 238000003466 welding Methods 0.000 title claims abstract description 162
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims description 6
- 238000011156 evaluation Methods 0.000 claims description 5
- 230000000007 visual effect Effects 0.000 claims description 2
- 238000013441 quality evaluation Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000011324 bead Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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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
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
- B23K26/28—Seam welding of curved planar seams
-
- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
- B23K31/125—Weld quality monitoring
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- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
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- Laser Beam Processing (AREA)
Abstract
The invention discloses laser flight welding online repair welding equipment and method. The laser flight welding online repair welding equipment comprises laser flight welding execution equipment and welding seam quality scanning equipment, wherein the laser flight welding execution equipment and the welding seam quality scanning equipment are connected together through a communication cable; the laser flight welding execution equipment comprises a robot, a robot controller, a flight welding controller in communication connection with the robot controller, and a flight welding galvanometer in communication connection with the flight welding controller. The invention can realize that after welding is finished, the welding seam quality is detected and evaluated by utilizing the welding seam quality scanning equipment, the welding seam quality evaluation result is transmitted to the welding execution equipment by the welding seam quality scanning equipment, and the welding seam with unqualified welding seam quality is subjected to on-line repair welding operation.
Description
Technical Field
The invention relates to the technical field of laser flight welding, in particular to laser flight welding online repair welding equipment and method.
Background
Laser flight welding is a remote laser processing method implemented using laser scanning technology. The laser beam is emitted to the lens to be focused through the moving lens, and the energy is concentrated on the workpiece to be processed through the focusing lens, so that the welding of the workpiece is realized. Because the laser beam realizes the positioning of the processing focus by utilizing the deflection reflection of the moving lens, the processing method can realize high processing speed. In order to monitor the processing quality of laser flight welding, a quality monitoring system is generally added to detect the quality of a welding seam, and after the detection is finished, a workpiece with poor welding quality needs to be subjected to repair welding manually. Under the current technical conditions, an online repair welding method and equipment for laser flight welding do not exist.
Therefore, what method is adopted to realize the on-line repair welding of the laser flight welding, maintain the established production sequence and improve the production efficiency becomes the problem to be solved in the field.
Disclosure of Invention
The invention aims to provide laser flight welding online repair welding equipment and method aiming at the technical defects in the prior art, so that online repair welding is carried out on the premise of not disturbing the original production sequence, and the production efficiency is improved.
The technical scheme adopted for realizing the purpose of the invention is as follows:
the laser flight welding online repair welding equipment comprises laser flight welding execution equipment and welding seam quality scanning equipment, wherein the laser flight welding execution equipment and the welding seam quality scanning equipment are connected together through a communication cable; the laser flight welding execution equipment comprises a robot, a robot controller, a flight welding controller in communication connection with the robot controller, and a flight welding galvanometer in communication connection with the flight welding controller.
The welding seam quality scanning device comprises one of a visual scanning detection device, an ultrasonic scanning device and a laser scanning detection device.
The welding seam quality scanning equipment comprises a welding seam scanning controller and a welding seam scanning camera in communication connection with the welding seam scanning controller; and the welding seam scanning control is in communication connection with the robot controller.
Wherein, the welding seam scanning camera is arranged on the flying welding galvanometer.
The invention also aims to provide an online repair welding method for laser flight welding, wherein after welding is finished, a robot detects and evaluates the quality of a welding seam by using a welding seam quality scanning device, the welding seam quality scanning device transmits the evaluation result of the welding seam quality to a laser flight welding execution device, and the laser flight welding execution device carries out online repair welding operation on the welding seam with unqualified welding seam quality.
The invention can detect and evaluate the quality of the welding seam by using the welding seam quality scanning equipment after the welding is finished, and the welding seam quality scanning equipment transmits the evaluation result of the welding seam quality to the welding execution equipment to carry out on-line repair welding operation on the welding seam with unqualified welding seam quality; and a set production sequence is maintained by an online repair welding mode, and the production efficiency is improved.
Drawings
Fig. 1 is an application schematic diagram of an on-line repair welding device for laser flight welding according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a welding sample according to an embodiment of the present invention.
Description of reference numerals:
10: robot controller, 11: robot communication cable, 12: robot, 20: flight welding controller, 21: flight welding communication cable, 22: flight welding galvanometer, 23: laser machining beam, 30: weld scan controller, 31: weld joint scanning equipment communication cable, 32: weld scanning camera, 33: weld scan field, 40: welding test stand, 41: welding sample, 50: upper plate member, 60: lower plate, 71: weld A, 81: weld B, 91: weld C, 101: weld bead, 72: a spare bead, 82: b spare bead, 92: c spare bead, 102: d, standby welding seams.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-2, the laser flight welding online repair welding device of the invention comprises:
the robot controller 10, the robot communication cable 11, the robot 12, the flight welding controller 20, the flight welding communication cable 21 and the flight welding galvanometer 22, which together form the flight welding execution device.
The seam scanning controller 30, the seam scanning device communication cable 31 and the seam scanning camera 32 constitute a seam quality scanning device.
The robot controller 10 and the flight welding controller 20 are connected by a communication cable 1020 for exchanging signals. The robot controller 10 and the weld scanning controller 30 are connected by a communication cable 1030 for transmitting weld detection result information.
The robot 12 used may be an articulated robot, a truss robot, a rectangular coordinate type robot, or the like, and is not particularly limited.
The flight welding galvanometer 22 used may be a movable galvanometer device, or a non-movable galvanometer device.
The welding sample 41 is fixedly placed on the welding test stand 40.
Fig. 2 is a schematic diagram of a welding sample according to an embodiment of the present invention.
The upper-layer plate 50 and the lower-layer plate 60 are stacked together, the weld joints A71, the weld joints B81, the weld joints C91 and the weld joints D101 are weld joints to be welded in the specification of a process file, the spare weld joints A72, the spare weld joints B82, the spare weld joints C92 and the spare weld joints D102 are respectively the spare weld joints of the weld joints A71, the weld joints B81, the weld joints C91 and the weld joints D101 in sequence, and when any one of the weld joints is in poor welding, the corresponding spare weld joint is started to be welded.
The invention also aims to provide an online repair welding method for laser flight welding, wherein after welding is finished, a robot detects and evaluates the quality of a welding seam by using a welding seam quality scanning device, the welding seam quality scanning device transmits the evaluation result of the welding seam quality to a laser flight welding execution device, and the laser flight welding execution device carries out online repair welding operation on the welding seam with unqualified welding seam quality.
In the present invention, the laser flight welding online repair welding process can be roughly described as follows (taking a weld scanning camera as an example for illustration):
according to the specification of a process file, the robot controller 10 controls the robot 12 to move through the robot communication cable 11, drives the flying welding galvanometer 22 to move the laser processing beam 23 to the surface of the welding sample 41, and sequentially welds the weld joint A71, the weld joint B81, the weld joint C91 and the weld joint D101. After welding, the robot controller 10 controls the robot 12 to move through the robot communication cable 11, drives the weld scanning camera 32 to sequentially and respectively scan the welded a weld 71, B weld 81, C weld 91 and D weld 101, transmits scanning information to the weld scanning controller 30 through the weld scanning device communication cable 31, the weld scanning controller 3 judges a welding result, and transmits the judgment result to the robot controller 10 through the communication cable 1030, and the robot controller 10 controls the robot 12 to move according to the received judgment result, and drives the flight welding galvanometer 22 to perform repair welding operation of a spare weld corresponding to an unqualified weld.
The invention can detect and evaluate the quality of the welding seam by using the welding seam quality scanning equipment after the welding is finished, and the welding seam quality scanning equipment transmits the evaluation result of the welding seam quality to the welding execution equipment to carry out on-line repair welding operation on the welding seam with unqualified welding seam quality; and a set production sequence is maintained by an online repair welding mode, and the production efficiency is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The laser flight welding online repair welding equipment is characterized by comprising laser flight welding execution equipment and welding seam quality scanning equipment, wherein the laser flight welding execution equipment and the welding seam quality scanning equipment are connected together through a communication cable; the laser flight welding execution equipment comprises a robot, a robot controller, a flight welding controller in communication connection with the robot controller, and a flight welding galvanometer in communication connection with the flight welding controller.
2. The laser flight welding online repair welding device according to claim 1, characterized in that the weld quality scanning device comprises one of a visual scanning detection device, an ultrasonic scanning device and a laser scanning detection device.
3. The laser flight welding online repair welding device according to claim 2, wherein the weld quality scanning device comprises a weld scanning controller, and a weld scanning camera in communication connection with the weld scanning controller; and the welding seam scanning control is in communication connection with the robot controller.
4. The laser flight welding online repair welding device according to claim 3, wherein the weld scanning camera is mounted on a flight welding galvanometer.
5. A laser flight welding online repair welding method is characterized in that a robot detects and evaluates the quality of a welding seam by using a welding seam quality scanning device after welding is finished, the welding seam quality scanning device transmits the evaluation result of the quality of the welding seam to a laser flight welding execution device, and the laser flight welding execution device carries out online repair welding operation on the welding seam with unqualified welding seam quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010148904.4A CN111299835A (en) | 2020-03-05 | 2020-03-05 | Laser flight welding online repair welding device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010148904.4A CN111299835A (en) | 2020-03-05 | 2020-03-05 | Laser flight welding online repair welding device and method |
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| CN111299835A true CN111299835A (en) | 2020-06-19 |
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| CN202010148904.4A Pending CN111299835A (en) | 2020-03-05 | 2020-03-05 | Laser flight welding online repair welding device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113953661A (en) * | 2021-09-18 | 2022-01-21 | 四川国芯通智能科技有限公司 | Laser repair welding machine and repair welding method thereof |
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| JP2003220480A (en) * | 2002-01-25 | 2003-08-05 | Ishikawajima Harima Heavy Ind Co Ltd | LASER WELDING MACHINE AND LASER WELDING METHOD |
| CN101376194A (en) * | 2008-08-19 | 2009-03-04 | 东莞华中科技大学制造工程研究院 | A Laser Welding On-line Measurement and Compensation Device |
| CN101497149A (en) * | 2009-03-02 | 2009-08-05 | 张立国 | Laser flying focus scanning system |
| CN203509364U (en) * | 2013-10-06 | 2014-04-02 | 新疆雪峰科技(集团)股份有限公司 | Laser welding correcting device for electronic detonator pin wires |
| CN104588838A (en) * | 2015-02-07 | 2015-05-06 | 芜湖安普机器人产业技术研究院有限公司 | Automatic tracking control and online correction system with welding gun and control method thereof |
| CN105436725A (en) * | 2015-12-03 | 2016-03-30 | 成都环龙智能系统设备有限公司 | Intelligent repair system of connecting rod mold visual detection machine |
| CN106238946A (en) * | 2016-08-31 | 2016-12-21 | 武汉法利莱切焊系统工程有限公司 | Wire filling laser welding quality on-line checking and dimension feedback system and method |
| CN110524581A (en) * | 2019-09-16 | 2019-12-03 | 西安中科光电精密工程有限公司 | A kind of flexible welding robot system and its welding method |
-
2020
- 2020-03-05 CN CN202010148904.4A patent/CN111299835A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003220480A (en) * | 2002-01-25 | 2003-08-05 | Ishikawajima Harima Heavy Ind Co Ltd | LASER WELDING MACHINE AND LASER WELDING METHOD |
| CN101376194A (en) * | 2008-08-19 | 2009-03-04 | 东莞华中科技大学制造工程研究院 | A Laser Welding On-line Measurement and Compensation Device |
| CN101497149A (en) * | 2009-03-02 | 2009-08-05 | 张立国 | Laser flying focus scanning system |
| CN203509364U (en) * | 2013-10-06 | 2014-04-02 | 新疆雪峰科技(集团)股份有限公司 | Laser welding correcting device for electronic detonator pin wires |
| CN104588838A (en) * | 2015-02-07 | 2015-05-06 | 芜湖安普机器人产业技术研究院有限公司 | Automatic tracking control and online correction system with welding gun and control method thereof |
| CN105436725A (en) * | 2015-12-03 | 2016-03-30 | 成都环龙智能系统设备有限公司 | Intelligent repair system of connecting rod mold visual detection machine |
| CN106238946A (en) * | 2016-08-31 | 2016-12-21 | 武汉法利莱切焊系统工程有限公司 | Wire filling laser welding quality on-line checking and dimension feedback system and method |
| CN110524581A (en) * | 2019-09-16 | 2019-12-03 | 西安中科光电精密工程有限公司 | A kind of flexible welding robot system and its welding method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113953661A (en) * | 2021-09-18 | 2022-01-21 | 四川国芯通智能科技有限公司 | Laser repair welding machine and repair welding method thereof |
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Application publication date: 20200619 |
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| RJ01 | Rejection of invention patent application after publication |