CN215846328U - Laser welding device with beam splitting function - Google Patents
Laser welding device with beam splitting function Download PDFInfo
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- CN215846328U CN215846328U CN202121519340.7U CN202121519340U CN215846328U CN 215846328 U CN215846328 U CN 215846328U CN 202121519340 U CN202121519340 U CN 202121519340U CN 215846328 U CN215846328 U CN 215846328U
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Abstract
The utility model discloses a laser welding device with a light splitting function, wherein the laser welding device with the light splitting function comprises: the laser welding device comprises a laser emitting device, a light splitting vibrating mirror, a coupling unit and a welding module. A laser emitting device for generating and emitting a master beam; the beam splitting galvanometer comprises an optical reflecting mirror and a beam splitting motor; the optical reflector is connected with the light splitting motor; the beam splitting motor controls the bias of the optical reflector to enable the parent light beam to pass through the optical reflector to form a plurality of sub light beams; the coupling units are connected with the beam splitting galvanometers and are provided with a plurality of sub-beams, and the number of the sub-beams corresponds to that of the coupling units one to one; the welding module is provided with a plurality of welding galvanometer scanning heads, one welding galvanometer scanning head is connected with one coupling unit through optical fibers, and the welding galvanometer scanning heads correspond to the coupling units one by one. The technical scheme of the utility model effectively improves the processing efficiency of the laser welding device.
Description
Technical Field
The utility model relates to the technical field of laser welding, in particular to a laser welding device with a light splitting function.
Background
Traditional laser welding equipment designs for the laser scanning head of configuration simplex position on the workstation, if need carry out the welding of tow sides to the work piece, then need weld the positive position of accomplishing the work piece earlier, place the work piece in the reverse side position and weld, just because traditional laser welding equipment can only once process to a face of work piece, so can produce more manufacturing procedure, lead to the process time increase of every work piece, finally lead to machining efficiency low.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a laser welding device with a light splitting function, and aims to improve the processing efficiency of the laser welding device.
In order to achieve the above object, the present invention provides a laser welding apparatus with a spectroscopic function, comprising: the laser welding device comprises a laser emitting device, a light splitting vibrating mirror, a coupling unit and a welding module. A laser emitting device for generating and emitting a master beam; the beam splitting galvanometer comprises an optical reflecting mirror and a beam splitting motor; the optical reflector is connected with the light splitting motor; the beam splitting motor controls the optical reflecting mirror to be biased, so that the main beam passes through the optical reflecting mirror to form a plurality of sub beams; the coupling units are connected with the beam splitting galvanometers and provided with a plurality of sub beams, and the number of the sub beams corresponds to that of the coupling units one by one; and the welding module is provided with a plurality of welding galvanometer scanning heads, one welding scanning head is connected with one coupling unit through an optical fiber, and the welding scanning heads correspond to the coupling units one to one.
Optionally, the laser welding device with a light splitting function further includes a reflection adjustment mirror, and the reflection adjustment mirror is disposed between the laser emitting device and the light splitting galvanometer.
Optionally, the laser emitting device includes a laser control module and an industrial personal computer; the laser control module is electrically connected with the industrial personal computer and emits the mother light beam to the light splitting galvanometer.
Optionally, the laser emitting device further includes a laser fiber exit end fixing structure, and the laser fiber exit end fixing structure is connected to the laser control module through an optical fiber.
Optionally, the laser welding device with the light splitting function is provided with a welding light splitting host and a welding workbench connected with the welding light splitting host; the beam splitting galvanometer and the coupling unit are arranged on the welding beam splitting host; the welding device is arranged on the welding workbench.
Optionally, the welding module of the welding device is provided with two welding galvanometer scanning heads, lenses of the two welding galvanometer scanning heads are arranged oppositely, and the welding galvanometer scanning heads are respectively connected with the coupling unit through optical fibers; the welding workbench is also provided with a welding jig arranged between the scanning heads of the welding galvanometer, and a workpiece to be welded is arranged on the welding jig.
Optionally, the welding device welding module is movably connected with the welding workbench.
Optionally, the welding light splitting host comprises a light splitting side sealing plate and a light splitting cover plate, and the light splitting side sealing plate and the light splitting cover plate are enclosed to form a light splitting area; the light splitting galvanometer and the coupling unit are installed in the light splitting area.
Optionally, an optical cable fixing head is disposed on the light splitting side sealing plate, and the optical cable is fixed between the coupling unit and the optical cable fixing head.
The technical scheme of the utility model is provided with a laser emitting device, a beam splitting galvanometer, a coupling unit and a welding module. The master beam generated by the laser emitting device is emitted to the beam splitting galvanometer, and the beam splitting galvanometer performs beam splitting processing on the master beam to form a plurality of sub beams. The beam splitting galvanometer comprises an optical reflector and a beam splitting motor, and the optical reflector is rotationally connected with the beam splitting motor. The beam splitting motor controls the bias angle and deflection speed of the optical reflector to make the optical reflector reflect the main beam in different directions to form multiple sub-beams, so as to achieve the purpose of beam splitting. The plurality of coupling units couple the plurality of sub-beams into the optical fiber to be transmitted to the plurality of welding modules. In the position of the welding module, the laser welding device can realize simultaneous processing of a plurality of welding modules on a workpiece, thereby improving the processing efficiency of the laser welding device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a laser welding apparatus with a light splitting function according to an embodiment of the present invention;
FIG. 2 is a top view of an embodiment of a laser welding apparatus (a spectroscopic top cover) having a spectroscopic function according to the present invention;
FIG. 3 is a schematic structural diagram of a beam splitter galvanometer of the laser welding device with beam splitting function according to the present invention;
fig. 4 is a flowchart of a laser path of the laser welding apparatus with a light splitting function according to the present invention;
fig. 5 is a schematic structural diagram of a scanning head of a galvanometer mirror for welding of the laser welding device with a light splitting function according to the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a laser welding device with a light splitting function, which comprises a laser emitting device 11, a light splitting galvanometer 12, a coupling unit 13 and a welding module 3; the laser emitting device 11 generates and emits a parent beam 181; the beam splitter 12 includes an optical mirror 122 and a beam splitter motor 121, the optical mirror 122 is connected to the beam splitter motor 121, and the beam splitter motor 121 controls the optical mirror 122 to bias, so that the main beam 181 passes through the optical mirror 122 to form a plurality of sub beams 182. The coupling unit 13 is connected to the beam splitting galvanometer 12, the coupling unit 13 has a plurality of coupling units, and the sub-beams 182 correspond to the coupling units 13 in number one to one; the welding module 3 is provided with a plurality of welding galvanometer scanning heads 142, one welding galvanometer scanning head 142 is connected with one coupling unit 13 through an optical fiber, and the welding galvanometer scanning heads 142 are in one-to-one correspondence with the coupling units 13.
In addition, the spectroscopic galvanometer 12 further includes a galvanometer driving circuit board 126, and the galvanometer driving circuit board 126 provides a power supply and a driving signal for the spectroscopic motor 121, specifically, the driving signal mainly represents a deflection angle. It is to be understood that in the present invention, the bias frequency of the driving motor is related to the frequency of the laser light generated by the laser emitting device 11. In one embodiment, the laser emission frequency is X hz, the bias frequency of the driving motor is Y hz, the number of the split sub-beams 182 is X, and X is N × Y.
In the laser welding apparatus of the present application, it is to be mentioned that the beam splitting galvanometer 12 has a high angular deflection speed, and a precise angular offset precision. Under the premise of accurate angular offset precision, the higher deflection speed of the beam splitter galvanometer 12 enables the parent light beam to accurately and quickly approximate to form a plurality of sub light beams 182 which emit to different directions. Although the sub-beams 182 are not formed simultaneously, since the beam splitter 12 performs the beam splitting function by high-speed offset, the laser welding apparatus of the present invention can perform the simultaneous welding function as the multi-beam laser welding apparatus.
The technical scheme of the utility model is provided with a laser emitting device 11, a beam splitting galvanometer 12, a coupling unit 13 and a welding module 3. The parent beam 181 generated by the laser emitting device 11 is emitted to the beam splitter 12, and the beam splitter 12 splits the parent beam 181 to form a plurality of sub-beams 182. The beam splitting galvanometer 12 comprises an optical reflecting mirror 122 and a beam splitting motor 121, and the optical reflecting mirror 122 is rotatably connected with the beam splitting motor 121. The beam splitting motor 121 controls the offset angle and the deflection speed of the optical reflector 122, so that the optical reflector 122 can reflect the parent light beams 181 in different directions to form a plurality of child light beams 182, thereby achieving the purpose of splitting light. The plurality of coupling units 13 couple the plurality of sub-beams 182 into the optical fibers for transmission to the plurality of welding modules 3. At the position of the welding module 3, the laser welding device can realize the simultaneous processing of a plurality of welding modules 3 to the workpiece, thereby improving the processing efficiency of the laser welding device.
In an embodiment, referring to fig. 2, the laser welding apparatus with a beam splitting function further includes a reflection adjustment mirror 15, and the reflection adjustment mirror 15 is disposed between the laser emitting device 11 and the beam splitting polarizer 12. That is, a reflection adjustment mirror 15 having a function of changing the path of the laser light is provided between the laser emitting device 11 and the beam splitting mirror 12. It can be understood that, the laser beam is emitted to the beam splitting galvanometer 12 from other angles, as long as a reasonable number of reflection adjusting mirrors 15 are used, and the reflection adjusting mirrors 15 can accurately reflect the incident laser beam into the beam splitting galvanometer 12 for beam splitting by matching with the appropriate incident and reflection angles of the reflection adjusting mirrors 15. However, the design is not limited thereto, in the embodiment, the mirror of the reflection adjustment mirror 15 is a plane mirror; in other embodiments, the mirror of the reflection adjustment mirror 15 may also be a concave mirror, a convex mirror, or other mirrors that can implement a reflection function, and the mirrors with the above functions all belong to the protection scope of the present design.
In one embodiment, the laser emitting device 11 includes a laser control module 111 and an industrial personal computer 112; the laser control module 111 is electrically connected with the industrial personal computer 112, and the laser control module 111 emits the mother light beam 181 to the beam splitting galvanometer 12. Specifically, the laser control module 111 is used for generating laser light, and the laser control module 111 can also adjust parameters such as power and frequency of the laser light. The industrial personal computer 112 controls the laser control module 111 through a digitalized operation means. Further, be provided with display 2 and keyboard in this embodiment, display 2 and keyboard are connected with industrial computer 112 electricity respectively, and display 2 is used for looking over the work information of whole device, and the keyboard can input instruction and information to through instruction and information control industrial computer 112, and then control laser instrument control module 111. The device and the connection relation can realize the generation of the intelligent control laser. In addition, the industrial personal computer 112 is in signal connection with both the beam splitter 12 and the welding module 14, and control software is arranged in the industrial personal computer 112, and the control software can control the beam splitting operation of the beam splitter 12 and the welding operation of the welding module 14 through signals.
In an embodiment, the laser emitting device 11 further includes a laser fiber exit end fixing structure 113, and the laser fiber exit end fixing structure 113 is connected to the laser control module 111 through an optical fiber. Specifically, the laser fiber exit end fixing structure 113 is disposed in the light splitting device 1, the laser fiber exit end fixing structure 113 communicates the inside of the light splitting device 1 with the outside, the laser generated by the laser control module 111 is transmitted through an optical fiber, and the generated laser enters from the entrance of the laser fiber exit end fixing structure 113, passes through the laser fiber exit end fixing structure 113, finally exits from the laser exit, and is emitted to the beam splitter 12. That is, the laser fiber exit end fixing structure 113 provides a fixing means for the optical fiber, and stably emits the laser light generated by the laser control module 111 into the light splitting device 1.
In one embodiment, the laser welding device with the light splitting function comprises a welding light splitting host 4 and a welding workbench 5 connected with the welding light splitting host 4; the beam splitting galvanometer 12 and the coupling unit 13 are arranged on the welding beam splitting host 4; the welding device is arranged on the welding workbench 5. That is, the laser welding apparatus with a spectroscopic function includes two parts, one of which is a welding spectroscopic main machine 4 and the other of which is a welding stage 5. The main function of the welding splitting main machine 4 is mainly to split the main beam 181, and the main function of the welding workbench 5 is to split the main beam 181 to form the sub-beam 182 which is applied to the welding, so as to satisfy the welding function of the laser welding device. In this embodiment, partitioning the device according to the function is beneficial to independently protecting the devices under different working conditions, specifically, the device with the light splitting function is installed on the welding light splitting host 4, and the device with the welding function is installed on the welding workbench 5, if the welding workbench is in the welding working state, the sparks or smoke generated by welding will not affect the components in the welding light splitting host. In a word, the light splitting area and the welding area are respectively and independently set to the welding light splitting host 4 and the welding workbench 5, so that modules with different functions can work independently without mutual interference, and the stability and the safety of the laser welding device are improved.
Referring to fig. 4, in an embodiment, the welding module 3 has two welding galvanometer scanning heads, lenses of the two welding galvanometer scanning heads are disposed opposite to each other, and the welding galvanometer scanning heads are respectively connected to the coupling unit 13 through optical fibers; the welding workbench 5 is also provided with a welding jig arranged between the scanning heads of the welding galvanometer, and a workpiece to be welded is arranged on the welding jig. It can be understood that the welding module 3 has two welding galvanometer scanning heads, that is, in this embodiment, the two welding galvanometer scanning heads emit two beams of laser light for welding in common, that is, the welding workbench 5 has two stations in this embodiment, and at most, two surfaces can be processed simultaneously. The welding galvanometer scanning head is respectively connected with the coupling unit 13 through optical fibers, laser used for welding is led out from the coupling unit 13, and then the sub-beams 182 coupled by the coupling unit 13 are transmitted into the welding galvanometer scanning head through the optical fibers and are used for welding. Furthermore, the lens of the welding galvanometer scanning head is arranged oppositely, and the two opposite surfaces of one workpiece can be simultaneously processed by the workbench through the oppositely arranged mirror of the welding galvanometer scanning head. In addition, the welding worktable 5 is also provided with a welding jig arranged between the scanning heads of the welding galvanometer, and a workpiece to be welded is arranged on the welding jig. That is, the welding worktable 5 provides a welding jig, and the workpiece to be welded can be fixedly installed on the welding jig and also can be movably arranged on the welding jig. In conclusion, the design of the two welding galvanometer scanning heads in the embodiment meets the requirement of double-station processing of the welding workbench 5, and the double-station simultaneous processing effectively improves the processing efficiency of the laser welding device; the workpiece to be welded is arranged between the two welding galvanometer scanning heads, so that two stations can simultaneously process one workpiece, and the efficiency of laser processing the workpiece by the device is further improved. However, the design is not limited thereto, and in other embodiments, the welding module 3 with two stations can also perform laser processing on two workpieces simultaneously.
In one embodiment, the welding module 3 is movably connected to the welding table 5. That is, the distance and angle of the welding module 3 with respect to the workpiece to be welded can be adjusted. If the distance between the welding module 3 and the workpiece is too short or too far, optimal laser focusing cannot be achieved, and the energy of the laser cannot be used to the maximum extent, so that energy waste is caused. In addition, if the angle of the welding module 3 can be adjusted, the device in this embodiment can switch the angle to process the next workpiece surface after finishing the processing of one workpiece surface. In a word, the welding module 3 with adjustable distance can realize the focusing of the scanning head of the welding galvanometer, and the energy of the laser is utilized to the maximum extent; but angle regulation's welding module 3, the biggest idle welding machine station that utilizes improves the machining efficiency of work piece. In particular, the articulation may be a sliding connection or a rolling connection.
Referring to fig. 1 and 2, in an embodiment, the welding spectrometer 4 includes a spectrometer side cover plate 171 and a spectrometer cover plate 172, and the spectrometer side cover plate 171 and the spectrometer cover plate 172 enclose a spectrometer area. Specifically, the light splitting process is performed in the light splitting region, and there is laser light that overflows by an incorrect reflection angle in the light splitting process. In order to prevent the overflowing laser from hurting the operator, a side sealing plate is arranged on the periphery of the light splitting area, and a cover plate is arranged on the top of the light splitting area. And a light splitting housing 125 is arranged on the top of the light splitting motor 121, and the light splitting housing 125 is used for protecting the light splitting motor 121 and has functions of dust prevention, impact resistance and the like. The beam splitter 12 and the coupling unit 13 are mounted in the light splitting region, that is, the side cover plate and the cover plate are provided to protect components and devices in the light splitting region.
In one embodiment, referring to fig. 2, the light splitting side sealing plate 171 is provided with a cable fixing head 173, and the optical cable is fixed between the coupling unit 13 and the cable fixing head 173. The optical cable fixing head 173 can fix the optical fiber led out from the coupling unit 13 on the light splitting side plate, that is, the optical fiber is fixed on the light splitting side plate, so that the optical fiber is not easy to shift, and the stability of the optical fiber output laser is further improved. The optical fiber is fixed to the light splitting side plate, extends to the welding module 3, and is connected to the welding module 3 from the optical fiber interface 141. Providing the necessary energy source for the welding function of the welding module 3.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A laser welding apparatus having a spectroscopic function, comprising:
a laser emitting device for generating and emitting a master beam;
the beam splitting galvanometer comprises an optical reflecting mirror and a beam splitting motor; the optical reflector is connected with the light splitting motor; the beam splitting motor controls the optical reflecting mirror to be biased, so that the main beam passes through the optical reflecting mirror to form a plurality of sub beams;
the coupling units are connected with the beam splitting galvanometers and provided with a plurality of sub beams, and the number of the sub beams corresponds to that of the coupling units one by one; and
the welding module is provided with a plurality of welding galvanometer scanning heads, one of the welding galvanometer scanning heads is connected with one of the coupling units through optical fibers, and the welding galvanometer scanning heads correspond to the coupling units one to one.
2. The laser welding apparatus with a spectroscopic function according to claim 1, wherein the laser welding apparatus with a spectroscopic function further comprises a reflection adjustment mirror provided between the laser emitting device and the spectroscopic galvanometer.
3. The laser welding apparatus with a light splitting function according to claim 1, wherein the laser emitting apparatus includes a laser control module and an industrial personal computer;
the laser control module is electrically connected with the industrial personal computer and emits the mother light beam to the light splitting galvanometer.
4. The laser welding apparatus with a light splitting function according to claim 3, wherein the laser emitting apparatus further includes a laser fiber exit end fixing structure, and the laser fiber exit end fixing structure is connected to the laser control module through an optical fiber.
5. The laser welding apparatus with a spectroscopic function according to claim 1, wherein the laser welding apparatus with a spectroscopic function has a welding spectroscopic main machine and a welding table connected to the welding spectroscopic main machine;
the beam splitting galvanometer and the coupling unit are arranged on the welding beam splitting host; the welding device is arranged on the welding workbench.
6. The laser welding device with the light splitting function according to claim 5, wherein the welding module has two scanning heads of the welding galvanometer, and lenses of the two scanning heads of the welding galvanometer are arranged oppositely;
the welding workbench is also provided with a welding jig arranged between the scanning heads of the welding galvanometer, and a workpiece to be welded is arranged on the welding jig.
7. The laser welding device with a light splitting function as claimed in claim 5, wherein the welding module is movably connected with the welding table.
8. The laser welding device with a light splitting function according to claim 5, wherein the welding light splitting host comprises a light splitting side sealing plate and a light splitting cover plate, and the light splitting side sealing plate and the light splitting cover plate enclose a light splitting area;
the light splitting galvanometer and the coupling unit are installed in the light splitting area.
9. The laser welding apparatus with a light splitting function according to claim 8, wherein a cable fixing head is provided on the light splitting side sealing plate, and a cable is fixed between the coupling unit and the cable fixing head.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121519340.7U CN215846328U (en) | 2021-07-05 | 2021-07-05 | Laser welding device with beam splitting function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121519340.7U CN215846328U (en) | 2021-07-05 | 2021-07-05 | Laser welding device with beam splitting function |
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| CN215846328U true CN215846328U (en) | 2022-02-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114633019A (en) * | 2022-05-20 | 2022-06-17 | 武汉逸飞激光股份有限公司 | Laser cooperative welding equipment and welding method |
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2021
- 2021-07-05 CN CN202121519340.7U patent/CN215846328U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114633019A (en) * | 2022-05-20 | 2022-06-17 | 武汉逸飞激光股份有限公司 | Laser cooperative welding equipment and welding method |
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