CN112846506A - High-speed galvanometer laser welding machine and welding method thereof - Google Patents
High-speed galvanometer laser welding machine and welding method thereof Download PDFInfo
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- CN112846506A CN112846506A CN202110024401.0A CN202110024401A CN112846506A CN 112846506 A CN112846506 A CN 112846506A CN 202110024401 A CN202110024401 A CN 202110024401A CN 112846506 A CN112846506 A CN 112846506A
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- laser
- galvanometer
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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
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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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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Abstract
The invention provides a high-speed galvanometer laser welding machine and a welding method thereof, wherein the welding machine comprises a cabinet and a welding device arranged on the cabinet, wherein a welding table is arranged on the cabinet; the welding device comprises a motion module mechanism and a laser galvanometer mechanism, wherein the motion module mechanism comprises a three-axis motion module which drives the laser galvanometer mechanism to move in three axis directions; the laser galvanometer mechanism comprises an L-shaped straight shank laser galvanometer and a galvanometer, the L-shaped straight shank laser galvanometer comprises a camera, a laser generator and a laser reflector, one end of the laser reflector is provided with a reflector, and the camera is arranged above the reflector; the mirror that shakes is equipped with the laser outlet, it is equipped with first lens and the second lens that shakes to shake to correspond in the mirror to shake the laser outlet, first lens that shakes is connected with first mirror motor that shakes, the second lens that shakes is connected with the second mirror motor that shakes. The invention enlarges the scanning laser welding range of the galvanometer.
Description
Technical Field
The invention belongs to the technical field of welding machines, and particularly relates to a high-speed galvanometer laser welding machine and a welding method thereof.
Background
The existing laser welding is mostly carried out by positioning through a tool and moving a laser device according to the length required to be welded by a mechanical device. In most laser welding applications, the average weld time is small relative to the overall loading and deployment time, accounting for only about 20% to 50% of a cycle. The laser welding of the scanning type of the galvanometer is to switch laser beams between welding spots fast in a scanning lens through the galvanometer lens, the distance between the welding spots is larger, the welding spots on a workpiece are more, the advantage is more obvious, but the welding spot range exceeds the galvanometer range, the laser welding can not be carried out, and the welding processing range is limited.
Disclosure of Invention
The invention aims to provide a high-speed galvanometer laser welding machine and a welding method thereof, and the laser welding machine and the welding method can be used for enlarging the scanning laser welding range of the galvanometer.
The invention provides the following technical scheme:
a high-speed galvanometer laser welding machine comprises a cabinet and a welding device arranged on the cabinet, wherein a welding table is arranged on the cabinet; the welding device comprises a movement module mechanism and a laser galvanometer mechanism, wherein the movement module mechanism comprises a three-axis movement module, the laser galvanometer mechanism is arranged on the three-axis movement module, and the three-axis movement module drives the laser galvanometer mechanism to move in the three-axis direction; the laser galvanometer mechanism comprises an L-shaped straight-handle laser galvanometer and a galvanometer, the L-shaped straight-handle laser galvanometer comprises a camera, a laser generator and a laser reflector, the laser generator is arranged on the laser reflector, a reflector is arranged at one end of the laser reflector, the camera is arranged above the reflector, the laser generator and the camera are uniformly arranged in a way that the laser generator is mutually vertical, the reflector is arranged at an angle of 45 degrees with the camera and the laser reflector respectively, and the other end of the laser reflector is connected with the galvanometer; the mirror that shakes is equipped with the laser outlet, the laser outlet corresponds the welding bench, correspond in the mirror that shakes laser outlet is equipped with the first lens and the second lens that shakes, the first lens that shakes is connected with the first mirror motor that shakes, the second lens that shakes is connected with the second mirror motor that shakes, the first mirror motor that shakes with the second shakes mirror motor mutually perpendicular setting.
Preferably, the triaxial motion module includes X axle motion module, Y axle motion module and Z axle motion module, X axle motion module is established on the rack, Y axle motion module activity is established on the X axle motion module, Z axle motion module activity is established on the Y axle motion module, X axle motion module Y axle motion module with the equal mutually perpendicular of Z axle motion module sets up, the activity of laser mirror mechanism that shakes is established on the Z axle motion module.
Preferably, the motion module mechanism further comprises an aluminum profile support, the aluminum profile support is movably arranged on the Z-axis motion module, a lens connecting plate is arranged on the aluminum profile support, and one end of the laser reflector and the vibrating mirror are arranged on the lens connecting plate.
Preferably, a control display is further arranged on the machine cabinet.
Preferably, the cabinet is also connected with a water cooler.
Preferably, a support leg is arranged below the cabinet.
A welding method of a high-speed galvanometer laser welding machine comprises the following steps:
after a workpiece needing to be welded is placed in a welding table, a welding machine sends a control signal to a laser transmitter to start laser emission, and simultaneously controls a first galvanometer motor and a second galvanometer motor to move, so that a laser welding spot moves in a galvanometer range through a first galvanometer piece and a second galvanometer piece, the workpiece is irradiated with the laser after the laser emission to be processed, and meanwhile, the laser signal is recorded in a camera through a reflector;
when the range of the welding spot exceeds the range of the galvanometer, the three-axis motion module is adjusted to enable the new welding spot to fall within the range of the galvanometer again.
The invention has the beneficial effects that: the invention combines the moving module with the high-speed galvanometer welding head, and enlarges the processing range, thereby improving the processing adaptability and the working efficiency; the camera and the L-shaped straight shank laser oscillating lens are coaxial, so that synchronous feedback of welding signals is realized, and the welding accuracy is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a laser galvanometer mechanism of the present invention;
labeled as: 1. a cabinet; 11. a support leg; 12. a welding table; an X-axis motion module; 3, a Y-axis motion module; 4, a Z-axis motion module; 5. an aluminum section bracket; 51. a lens connecting plate; 6. a laser galvanometer mechanism; 61. a camera; 62. a mirror; 63. a laser generator; 64. a laser mirror; 65. a galvanometer; 651. a first vibrating lens; 652. a first galvanometer motor; 653. a second vibrating lens; 654. a second galvanometer motor; 66. welding a laser beam; 7. controlling the display; 8. a water cooling machine.
Detailed Description
As shown in fig. 1 and 2, a high-speed galvanometer laser welding machine comprises a cabinet 1 and a welding device arranged on the cabinet 1, wherein a support leg 11 is arranged below the cabinet 1. The cabinet 1 is provided with a welding table 12, and the cabinet 1 is also provided with a control display 7 for controlling and displaying related signals. The machine cabinet 1 is also connected with a water cooler 8 for cooling in the laser welding process; the welding device comprises a movement module mechanism and a laser galvanometer mechanism 6, the movement module mechanism comprises a three-axis movement module, the laser galvanometer mechanism 6 is arranged on the three-axis movement module, and the three-axis movement module drives the laser galvanometer mechanism 6 to move in the three-axis direction; the laser galvanometer mechanism 6 comprises an L-shaped straight shank laser galvanometer and a galvanometer 65, the L-shaped straight shank laser galvanometer comprises a camera 61, a laser generator 63 and a laser reflector 64, the laser generator 63 is arranged on the laser reflector 64, one end of the laser reflector 64 is provided with a reflector 62, the camera 61 is arranged above the reflector 62, the laser generator 63 and the camera 61 are uniformly arranged in a way that the laser generator 63 is mutually vertical, the reflector 62 is arranged at an angle of 45 degrees with the camera 61 and the laser reflector 64 respectively, and the other end of the laser reflector 64 is connected with the galvanometer 65; the galvanometer 65 is provided with a laser outlet, the laser outlet corresponds to the welding table 12, a first galvanometer piece 651 and a second galvanometer piece 653 are arranged in the galvanometer 65 corresponding to the laser outlet, the first galvanometer piece 651 is connected with a first galvanometer motor 652, the second galvanometer piece 653 is connected with a second galvanometer motor 654, and the first galvanometer motor 652 and the second galvanometer motor 654 are perpendicular to each other.
Concretely, the triaxial motion module includes X axle motion module 2, Y axle motion module 3 and Z axle motion module 4, X axle motion module 2 is established on rack 1, Y axle motion module 3 activity is established on X axle motion module 2, Z axle motion module 4 activity is established on Y axle motion module 3, X axle motion module 2, Y axle motion module 3 and Z axle motion module 4 all mutually perpendicular set up, the activity of laser mirror mechanism 6 is established on Z axle motion module 4. The motion module mechanism further comprises an aluminum profile support 5, the aluminum profile support 5 is movably arranged on the Z-axis motion module 4, a lens connecting plate 51 is arranged on the aluminum profile support 5, and one end of a laser mirror 64 and a vibrating mirror 65 are arranged on the lens connecting plate 51. When the range of the welding spot exceeds the range of the galvanometer 65, the relevant axial motion module is adjusted to ensure that the new welding spot is within the range of the galvanometer 65 again.
As shown in fig. 1 and fig. 2, in the use process of a high-speed galvanometer laser welding machine, after a workpiece to be welded is placed on a welding table 12, a control signal is sent to a laser emitter 63 to turn on laser, and a first galvanometer motor 652 and a second galvanometer motor 654 are controlled to move to drive a first galvanometer plate 651 and a second galvanometer plate 653 to rotate correspondingly, so that a welding spot moves within the range of a galvanometer 65, and the laser is irradiated on the workpiece for processing after being emitted; when the range of the welding spot exceeds the range of the galvanometer 65, the motion module is adjusted to ensure that the new welding spot is within the range of the galvanometer 65 again. Wherein, the laser welding signal passes through speculum 62 and gathers welding signal in real time to camera 61, and the control of welding of being convenient for next step uses, improves the welding precision.
A welding method of a high-speed galvanometer laser welding machine comprises the following steps:
after a workpiece needing to be welded is placed in the welding table 12, the welding machine sends a control signal to the laser transmitter 63 to start laser emission, and simultaneously controls the first galvanometer motor 652 and the second galvanometer motor 654 to move, so that a laser welding spot moves within the range of the galvanometer 65 through the first galvanometer piece 651 and the second galvanometer piece 653, the workpiece is irradiated with the laser after laser emission to be processed, and meanwhile, the laser signal is recorded in the camera 61 through the reflector 62;
when the range of the welding point exceeds the range of the galvanometer 65, the three-axis motion module is adjusted to enable the new welding point to fall within the range of the galvanometer 65 again.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A high-speed galvanometer laser welding machine is characterized by comprising a cabinet and a welding device arranged on the cabinet, wherein a welding table is arranged on the cabinet; the welding device comprises a movement module mechanism and a laser galvanometer mechanism, wherein the movement module mechanism comprises a three-axis movement module, the laser galvanometer mechanism is arranged on the three-axis movement module, and the three-axis movement module drives the laser galvanometer mechanism to move in the three-axis direction; the laser galvanometer mechanism comprises an L-shaped straight-handle laser galvanometer and a galvanometer, the L-shaped straight-handle laser galvanometer comprises a camera, a laser generator and a laser reflector, the laser generator is arranged on the laser reflector, a reflector is arranged at one end of the laser reflector, the camera is arranged above the reflector, the laser generator and the camera are uniformly arranged in a way that the laser generator is mutually vertical, the reflector is arranged at an angle of 45 degrees with the camera and the laser reflector respectively, and the other end of the laser reflector is connected with the galvanometer; the mirror that shakes is equipped with the laser outlet, the laser outlet corresponds the welding bench, correspond in the mirror that shakes laser outlet is equipped with the first lens and the second lens that shakes, the first lens that shakes is connected with the first mirror motor that shakes, the second lens that shakes is connected with the second mirror motor that shakes, the first mirror motor that shakes with the second shakes mirror motor mutually perpendicular setting.
2. The high-speed galvanometer laser welding machine according to claim 1, wherein the three-axis movement module comprises an X-axis movement module, a Y-axis movement module and a Z-axis movement module, the X-axis movement module is arranged on the machine cabinet, the Y-axis movement module is movably arranged on the X-axis movement module, the Z-axis movement module is movably arranged on the Y-axis movement module, the X-axis movement module, the Y-axis movement module and the Z-axis movement module are all arranged perpendicular to each other, and the laser galvanometer mechanism is movably arranged on the Z-axis movement module.
3. The high-speed galvanometer laser welding machine of claim 2, wherein the motion module mechanism further comprises an aluminum profile support, the aluminum profile support is movably arranged on the Z-axis motion module, a lens connecting plate is arranged on the aluminum profile support, and one end of the laser mirror and the galvanometer are both arranged on the lens connecting plate.
4. The high-speed galvanometer laser welding machine of claim 1, wherein a control display is further arranged on the machine cabinet.
5. The high-speed galvanometer laser welding machine of claim 1, wherein the cabinet is further connected with a water chiller.
6. The high-speed galvanometer laser welding machine of claim 1, wherein a support leg is arranged below the cabinet.
7. The welding method of the high-speed galvanometer laser welding machine of claim 1, characterized by comprising the following steps:
after a workpiece needing to be welded is placed in a welding table, a welding machine sends a control signal to a laser transmitter to start laser emission, and simultaneously controls a first galvanometer motor and a second galvanometer motor to move, so that a laser welding spot moves in a galvanometer range through a first galvanometer piece and a second galvanometer piece, the workpiece is irradiated with the laser after the laser emission to be processed, and meanwhile, the laser signal is recorded in a camera through a reflector;
when the range of the welding spot exceeds the range of the galvanometer, the three-axis motion module is adjusted to enable the new welding spot to fall within the range of the galvanometer again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110024401.0A CN112846506A (en) | 2021-01-08 | 2021-01-08 | High-speed galvanometer laser welding machine and welding method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110024401.0A CN112846506A (en) | 2021-01-08 | 2021-01-08 | High-speed galvanometer laser welding machine and welding method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112846506A true CN112846506A (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110024401.0A Pending CN112846506A (en) | 2021-01-08 | 2021-01-08 | High-speed galvanometer laser welding machine and welding method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770525A (en) * | 2021-09-15 | 2021-12-10 | 武汉锐科光纤激光技术股份有限公司 | High-speed welding device and method for sealing welding of battery top cover |
-
2021
- 2021-01-08 CN CN202110024401.0A patent/CN112846506A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770525A (en) * | 2021-09-15 | 2021-12-10 | 武汉锐科光纤激光技术股份有限公司 | High-speed welding device and method for sealing welding of battery top cover |
| CN113770525B (en) * | 2021-09-15 | 2024-04-05 | 武汉锐科光纤激光技术股份有限公司 | High-speed welding device and method for battery top cover seal welding |
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