CN117381212A - Laser processing device for emitting light of double lasers - Google Patents
Laser processing device for emitting light of double lasers Download PDFInfo
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- CN117381212A CN117381212A CN202311573397.9A CN202311573397A CN117381212A CN 117381212 A CN117381212 A CN 117381212A CN 202311573397 A CN202311573397 A CN 202311573397A CN 117381212 A CN117381212 A CN 117381212A
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- 238000012545 processing Methods 0.000 title claims abstract description 111
- 238000009434 installation Methods 0.000 claims abstract description 18
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- 230000003287 optical effect Effects 0.000 abstract description 9
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- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
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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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- 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
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Abstract
The invention discloses a laser processing device for emitting light of double lasers, which belongs to the technical field of laser processing equipment and comprises a base, wherein the base is provided with a first laser, a second laser, a beam combining component, an optical path component and a scanning head, and is provided with a first processing plane and a second processing plane; two ends of the first laser correspondingly abut against the two processing planes; the polarization directions of the laser emitted by the second laser and the first laser are orthogonally arranged; the rotated second laser is connected with a steering support and correspondingly abutted on the two processing planes through the steering support; the beam combination assembly is used for guiding the emergent laser to the beam combination lens, and the beam combination lens combines the laser emitted by the two lasers. The configuration steering support is connected with the second laser, so that the installation and the matching with the base are completed, the assembly precision of the laser can be effectively ensured, the conversion of the polarization state of the emergent laser is realized through rotating the laser, and the cost is saved.
Description
Technical Field
The invention belongs to the technical field of laser processing equipment, and particularly relates to a laser processing device for emitting light from a double laser.
Background
Laser processing refers to the process of completing the processing process by utilizing the thermal effect generated by the projection of laser beams onto the surface of a material, and comprises the processing application scenes of laser welding, engraving, cutting, marking, drilling and the like. Wherein CO 2 The laser has higher power which can reach tens of watts or hundreds of watts, and is suitable for cutting large-area and thick materialsTherefore, they are widely used. With the continuous development of laser processing technology, the high-power laser processing technology has wider application prospect. However, it is difficult to ensure stable output of high-power laser light by a single laser. In order to solve the problems, people combine a plurality of laser beams by a beam combination technology based on the output of a plurality of lasers, thereby obtaining stable high-energy laser and overcoming the difficulty of calibrating a single laser to higher power.
Among the prior art, chinese patent with publication No. CN206135187U also provides a polarized high-power laser, which comprises a base, be provided with first radiator and second radiator on the base, be provided with first laser chip on the first radiator, be provided with the second laser chip on the second radiator, first laser chip the place ahead is provided with the half wave plate, the half wave plate place ahead is provided with the polarization beam splitter, the polarization beam splitter is located the place ahead of second laser chip. The polarized high-power laser adopts a beam combination technology based on double lasers, and a half wave plate is placed in front of one of the lasers, so that the polarized state of light is changed and then is incident to a polarized beam splitter, and the beam combination process is completed. However, the processing cost of the half-wave plate is high, and because a large amount of heat is generated in the laser generating process, the service performance of the half-wave plate can be affected by the thermal effect of laser, so that the laser power and the beam quality can be greatly reduced, and the power of output laser is lost.
To ensure high power output of the combined laser, we have found that one of the lasers can be rotated 90 degrees directly, so that the polarization state of the laser light is changed directly. However, this puts higher demands on the installation accuracy of the two lasers, and the installation accuracy of the lasers will seriously affect the beam combining effect, and the power and beam quality of the output laser. Due to CO 2 The laser has larger volume, is different from lasers such as semiconductors, is easy to adjust and control the light path, and is necessary to be based on two-way CO in order to realize stable output of high-energy laser 2 The laser beam combination of the laser improves the existing laser processing device.
Thus, aiming at the problems existing in the prior artThere is a need to provide a process suitable for dual CO 2 A laser processing device for emitting light from a laser.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a laser processing device for emitting light of a double laser, which aims to solve the technical problems that the accuracy of the installation structure of the existing double laser is not enough, the high power output of the combined laser is difficult to ensure, and the like.
The technical scheme of the invention is realized as follows: the laser processing device comprises a base, wherein the base is provided with a first laser, a second laser, a beam combining component, a light path component and a scanning head, the base is provided with a mounting part, and the upper end surface of the mounting part is provided with a first processing plane and a second processing plane; the first processing plane and the second processing plane are separately arranged and have the same height;
the first laser and the second laser are arranged side by side and emit laser towards the same side; two ends of the first laser correspondingly abut against the two processing planes; the second laser rotates 90 degrees around the axial direction of the second laser, so that the polarization direction of the laser emitted by the second laser and the polarization direction of the laser emitted by the first laser are orthogonally arranged; the rotated second laser is connected with a steering support and correspondingly abutted on the two processing planes through the steering support; the abutting part of the first laser and the processing plane, the connecting part of the second laser and the steering support and the abutting part of the steering support and the processing plane are also respectively provided with a plurality of adjusting modules, and each adjusting module is used for leveling the corresponding laser or the steering support;
the beam combining component comprises a beam combining lens and a plurality of reflecting mirrors, wherein the reflecting mirrors are arranged in the laser emitting directions of the two lasers and are used for guiding emitted laser to the beam combining lens, and the laser emitted by the two lasers is combined by the beam combining lens and is transmitted to the light path component; the light path component comprises a plurality of concave lenses and/or convex lenses and is used for adjusting the beam focal length of incident laser; the processing laser is respectively emitted from the first laser and the second laser, and after being combined by the beam combining component, the processing laser is incident to the scanning head through the light path component, and the scanning head comprises a plurality of reflecting lenses for changing the direction of the processing laser so that the processing laser is emitted towards the working platform.
The invention provides a base for mounting and fixing a double laser, a first processing plane and a second processing plane are arranged on the base, the processing adopts one-time clamping and positioning, and the base is formed by drilling, milling and cutting, so that the cutting quantity is small, and the process precision is high; in addition, the configuration turns to the support and connects the second laser, accomplishes the installation cooperation with the base, turns to the support and adopts the fastener equipment to be connected, need not welded fastening, and the deflection is little, can effectively ensure the assembly precision of laser, realizes the conversion of outgoing laser polarization state through rotatory laser, can replace expensive devices such as current half wave plate, practices thrift the cost.
As a further improvement of the scheme, the joint of the first laser and the processing plane, the joint of the second laser and the steering support and the joint of the steering support and the processing plane are fixedly connected with each other by fasteners;
the adjusting module is arranged close to the fastening piece and comprises a jackscrew, jackscrew holes matched with the jackscrews are formed in the first laser, the second laser and the steering support, and the jackscrew is connected with the jackscrew holes in a matched mode; when the jackscrew is rotated along the precession direction of the jackscrew, the jackscrew correspondingly abuts against a processing plane or a steering support; the installation position of the double lasers is easy to adjust, the two lasers are leveled by configuring the jackscrew, so that the outgoing laser is emitted along a set light path, the subsequent beam combination operation of the two paths of outgoing lasers by the beam combination component is facilitated, and the high power output of the beam combination laser is effectively ensured.
As a further improvement of the scheme, each processing plane is also provided with a jackscrew pad, and the jackscrew pad and jackscrews pressed on the processing plane are mutually matched; the setting of jackscrew pad can effectively avoid the damage of jackscrew to processing plane, ensures the machining precision of two processing planes.
As a further improvement of the above scheme, the steering support comprises two support legs which are fixedly connected with each other through a connecting plate; the stand bar comprises a vertical plate connected with the second laser and a supporting plate abutted against the two processing planes, and the vertical plate and the plane where the supporting plate is positioned are arranged in a mutually perpendicular manner; through setting up the support that turns to, can realize the conversion of outgoing laser polarization state, simple structure, it is with low costs.
As a further improvement of the scheme, a first reinforcing rib block is arranged at the joint of the vertical plate and the supporting plate, and a second reinforcing rib block is connected with the end face of at least one side of the vertical plate and the supporting plate; the arrangement of each reinforcing rib block can effectively improve the structural strength of the steering support and avoid deflection of emergent laser of the laser; meanwhile, the steering support is assembled and connected by adopting the fastener, welding fixation is not needed, the deformation is small, and the assembly precision of the laser can be effectively ensured.
As a further improvement of the scheme, a plurality of waist-shaped holes are arranged on the supporting plates of the two supporting legs, and the fasteners penetrate through the waist-shaped holes to fix the steering support on the two processing planes; the arrangement of the kidney-shaped holes provides allowance for the installation of the steering support and the machining plane, and improves the installation efficiency.
A fixed block is further arranged on one side of the supporting plate, a tensioning screw and a top cone are arranged on the fixed block, a screw hole is formed in the supporting plate, and the tensioning screw is matched with the screw hole; the tip cone is in threaded connection with the fixed block and can be screwed in or out along the axis of the tip cone, and the tip cone is propped against or separated from the side end surface of the supporting plate; the axial direction of the tip cone is consistent with the extending direction of the kidney-shaped hole; the tensioning screw and the tip cone are arranged on the fixed block, so that pretightening force is provided for the installation of the steering support, and dislocation of the steering support is avoided.
As a further improvement of the scheme, the two ends of the bottom of each laser are respectively provided with a support plate, the first laser is in butt joint with two processing planes through the support plates, and the second laser is connected and fixed with the steering support through the support plates.
As a further improvement of the scheme, two ends of the steering support are respectively provided with a positioning end face, the two positioning end faces correspond to the support plates at two ends of the second laser, and when the second laser is connected with the steering support, the support plates of the second laser are abutted against the corresponding positioning end faces; the setting of location terminal surface provides the benchmark for the connection of second laser instrument and turning to the support, ensures the installation accuracy, is favorable to follow-up laser beam combination operation.
As a further improvement of the above, the beam combining assembly includes a first mirror, a second mirror, and a third mirror; the first laser emits a first laser beam, the second laser emits a second laser beam, the first laser beam is reflected to the beam combining mirror through the first reflecting mirror and the second reflecting mirror in sequence, and the second laser beam is reflected to the beam combining mirror through the third reflecting mirror;
the beam combining mirror transmits the first laser beam and reflects the second laser beam, so that the first laser beam passes through the beam combining mirror and forms combined laser output together with the reflected light of the second laser beam.
As the further improvement of above scheme, the light path subassembly includes slide, support, first lens and second lens, be equipped with the guide rail that extends along the laser light path on the slide, the support setting is on the guide rail and can follow the guide rail and slide, and the second lens is fixed on the support, still includes the swing motor who is connected with the support, and swing motor control support is slided back and forth along the guide rail direction, still includes the drive unit who is connected with the slide transmission, drive unit orders about the slide is along the direction that the laser light path extends back and forth for the corresponding marking scope of interval adaptation between first lens and the second lens.
The invention has the beneficial effects that:
(1) The invention provides a base for mounting and fixing a double laser, a first processing plane and a second processing plane are arranged on the base, the processing adopts one-time clamping and positioning, and the base is formed by drilling, milling and cutting, so that the cutting quantity is small, and the process precision is high;
(2) The steering support is configured to be connected with the second laser to complete the installation and the matching with the base, the steering support is assembled and connected by adopting a fastener, welding and fixing are not needed, the deformation is small, the assembly precision of the laser can be effectively ensured, the conversion of the polarization state of the emergent laser is realized by rotating the laser, the existing expensive devices such as a half-wave plate can be replaced, and the cost is saved;
(3) The installation position of the double lasers is easy to adjust, the two lasers are leveled by configuring the jackscrew, so that the outgoing laser is emitted along a set light path, the subsequent beam combination operation of the two paths of outgoing lasers by the beam combination component is facilitated, and the high power output of the beam combination laser is effectively ensured.
Drawings
FIG. 1 is a schematic diagram of the operation of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a schematic view of the mounting of the first laser, the second laser and the base of the present invention;
FIG. 4 is an exploded view of the first laser, the second laser and the base of the present invention;
FIG. 5 is a top view of the first laser, the second laser and the base of the present invention;
FIG. 6 is a schematic diagram of a combination of a first laser and a second laser according to the present invention;
FIG. 7 is a schematic view of the mounting of a first laser of the present invention to a processing plane;
FIG. 8 is a schematic view of the steering support of the present invention;
FIG. 9 is a schematic diagram illustrating operation of the beam combining assembly of the present invention;
FIG. 10 is a schematic diagram illustrating operation of the light path assembly of the present invention.
Reference numerals:
1. a base; a1, a first laser; a2, a second laser;
j1, a first laser beam; j2, a second laser beam; h3, beam combination laser; g1, a working platform;
11. a mounting part; 111. a first machining plane; 112. a second machining plane; 113. rib plates;
12. a steering support; 121. a support leg; 1211. a vertical plate; 1212. a support plate; 122. a connecting plate; 123. a first stiffener block; 124. a second reinforcing rib block; 125. a fixed block; 126. waist-shaped holes; 127. tightening the screw; 128. a tip cone; 129. positioning the end face;
13. an adjustment module; 131. a jackscrew; 132. a top thread hole; 133. a jackscrew pad;
14. a support plate;
15. a fastener;
2. a beam combining assembly; 21. a beam combining lens; 22. a first mirror; 23. a second mirror; 24. a third mirror; 25. adjusting the support;
3. an optical path component; 31. a slide; 32. a support; 33. a first lens; 34. a second lens; 35. a guide rail; 36. a swing motor;
4. a scanning head.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-10, a laser processing device for emitting light from a dual laser includes a base 1, where the base 1 is provided with a first laser A1, a second laser A2, a beam combining component 2, an optical path component 3 and a scanning head 4;
the base 1 is provided with a mounting part 11, and the upper end surface of the mounting part 11 is provided with a first processing plane 111 and a second processing plane 112; the first processing plane 111 and the second processing plane 112 are arranged separately and have the same height; a plurality of rib plates 113 are connected between the two processing planes, and the upper edge of each rib plate 113 is lower than the processing plane; the rib plates 113 can effectively improve the structural strength of the base and avoid deformation; in addition, the upper edge of each rib plate 113 is configured to be lower than the processing plane, and only the mounting and abutting positions of the two lasers are processed, so that the processing cost can be effectively reduced, and the processing precision is ensured.
The first laser A1 and the second laser A2 are arranged side by side and emit laser towards the same side; two ends of the first laser A1 are correspondingly abutted on two processing planes; the second laser A2 rotates 90 degrees around the axial direction of the second laser A2, so that the polarization direction of the laser emitted by the second laser A2 and the polarization direction of the laser emitted by the first laser A1 are orthogonally arranged; the rotated second laser A2 is connected with a steering support 12 and correspondingly abutted on two processing planes through the steering support 12;
in this embodiment, the two ends of the bottom of each laser are further provided with a support plate 14, the first laser A1 is abutted and fixed with two processing planes through the support plate 14, and the second laser A2 is connected and fixed with the steering support 12 through the support plate 14.
In this embodiment, two ends of the steering support 12 are respectively provided with a positioning end face 129, the two positioning end faces 129 correspond to the support plates 14 at two ends of the second laser A2, and when the second laser A2 is connected with the steering support 12, the support plates 14 of the second laser A2 are abutted against the corresponding positioning end faces 129; the positioning end face 129 provides a reference for the connection of the second laser A2 and the steering support 12, ensures the installation precision and is beneficial to the subsequent laser beam combination operation.
In this embodiment, the steering support 12 includes two legs 121, and the two legs 121 are fixedly connected to each other by a connecting plate 122; the stand bar 121 comprises a vertical plate 1211 connected with the second laser A2 and a support plate 1212 abutted against the two processing planes, and the vertical plate 1211 and the plane of the support plate 1212 are mutually perpendicular; by arranging the steering support 12, the polarization state of the emergent laser can be converted, and the structure is simple and the cost is low.
In this embodiment, a first reinforcing rib block 123 is disposed at the connection position between the vertical plate 1211 and the support plate 1212, and a second reinforcing rib block 124 is connected to at least one side end surface of the vertical plate 1211 and the support plate 1212; the arrangement of the reinforcing rib blocks can effectively improve the structural strength of the steering support 12 and avoid deflection of the emergent laser of the laser; meanwhile, the steering support 12 is assembled and connected by adopting the fastener 15, welding fixation is not needed, the deformation is small, and the assembly precision of the laser can be effectively ensured.
In this embodiment, the support plate 1212 of the two legs 121 is provided with a plurality of kidney-shaped holes 126, and the fastening member 15 passes through the kidney-shaped holes 126 to fix the steering support 12 on the two processing planes; the provision of kidney-shaped aperture 126 provides a margin for installation of steering support 12 with the machining plane, improving installation efficiency.
A fixed block 125 is further arranged on one side of the support plate 1212, a tensioning screw 127 and a top cone 128 are arranged on the fixed block 125, a screw hole is formed in the support plate 1212, and the tensioning screw 127 is matched with the screw hole; the tip cone 128 is in threaded connection with the fixed block 125, and can be screwed in or out along the axis thereof, and is propped against or separated from the side end face of the support plate 1212; wherein, the axial direction of the tip cone 128 is consistent with the extending direction of the kidney-shaped hole 126; the fixed block 125 is provided with a tightening screw 127 and a tip cone 128, so as to provide pretightening force for the installation of the steering support 12 and avoid dislocation.
A plurality of adjusting modules 13 are respectively arranged at the joint of the first laser A1 and the processing plane, the joint of the second laser A2 and the steering support 12 and the joint of the steering support 12 and the processing plane, and each adjusting module 13 is used for leveling the corresponding laser or the steering support 12; in this embodiment, the abutting part of the first laser A1 and the processing plane, the connecting part of the second laser A2 and the steering support 12, and the abutting part of the steering support 12 and the processing plane are fixedly connected with each other by the fasteners 15;
the adjusting module 13 is arranged near the fastener 15, the adjusting module 13 comprises a jackscrew 131, jackscrew holes 132 matched with the jackscrew 131 are formed in the first laser A1, the second laser A2 and the steering support 12, and the jackscrew 131 and the jackscrew holes 132 are mutually matched and connected; when the jackscrew 131 is screwed along the screwing direction of the jackscrew 131, the jackscrew 131 correspondingly abuts against the processing plane or the steering support 12; the mounting positions of the double lasers are easy to adjust, the two lasers are leveled by configuring the jackscrew 131, so that the outgoing laser is emitted along a set light path, the subsequent beam combination operation of the two paths of outgoing laser by the beam combination component 2 is facilitated, and the high power output of the beam combination laser H3 is effectively ensured.
In this embodiment, each processing plane is further provided with a jackscrew pad 133, and the jackscrew pad 133 and the jackscrew 131 pressed against the processing plane are mutually adapted; the setting of jackscrew pad 133 can effectively avoid the damage of jackscrew 131 to the processing plane, ensures the machining precision of two processing planes.
In this embodiment, after the first laser A1 and the second laser A2 are leveled, the optical axis of the laser emitted by the first laser A1 and the optical axis of the laser emitted by the second laser A2 are parallel to each other and have the same height; the optical axes of the laser emitted by the two lasers are arranged in parallel and are consistent in height, convenience is provided for the beam combination operation of the follow-up laser, and high power output of the combined laser H3 is ensured.
The beam combining component 2 comprises a beam combining lens 21 and a plurality of reflecting mirrors, wherein the reflecting mirrors are arranged in the laser emitting directions of the two lasers and are used for guiding emitted laser to the beam combining lens 21, and the laser emitted by the two lasers is combined by the beam combining lens 21 and is transmitted to the light path component 3;
specifically, in the present embodiment, the beam combining assembly 2 includes a first mirror 22, a second mirror 23, and a third mirror 24; the first laser A1 emits a first laser beam J1, the second laser A2 emits a second laser beam J2, the first laser beam J1 is reflected to the beam combining mirror 21 through a first reflecting mirror 22 and a second reflecting mirror 23 in sequence, and the second laser beam J2 is reflected to the beam combining mirror 21 through a third reflecting mirror 24;
the beam combining mirror 21 transmits the first laser beam J1 and reflects the second laser beam J2, so that the first laser beam J1 passes through the beam combining mirror 21 and forms a combined laser beam H3 together with the reflected light of the second laser beam J2 to be output; each mirror is further provided with an adjusting support 25, and the adjusting support 25 is used for adjusting the angle of each mirror so as to adjust the outgoing angle or the incident angle of the laser on the mirror.
The beam combining lens 21 comprises a lens seat, and a brewster sheet and a diamond layer which are sequentially arranged on the lens seat, wherein the diamond layer covers one side surface of the brewster sheet; in this embodiment, the brewster sheet is made of zinc selenide; it should be noted that, setting up diamond layer and mirror seat laminating and being connected is favorable to expanding the heat transfer area to realize the quick transmission of heat energy. The lenses in the prior art are generally made of zinc selenide or other traditional manufacturing materials, but as the heat conduction performance of diamond is better than that of zinc selenide, the optical transmittance of diamond is high, the brewster angle of a diamond sheet is close to that of a zinc selenide sheet, the brewster angle of the diamond sheet is 67.2 degrees, and the brewster angle of the zinc selenide sheet is 67.4 degrees, the diamond layer is preferably bonded with the brewster sheet.
The light path component 3 comprises a plurality of concave lenses and/or convex lenses for adjusting the beam focal length of the incident laser; the processing laser is emitted from the first laser A1 and the second laser A2 respectively, and after being combined by the beam combining component 2, the processing laser is incident to the scanning head 4 by the light path component 3, and the scanning head 4 comprises a plurality of reflecting lenses for changing the direction of the processing laser so as to enable the processing laser to be emitted towards the working platform G1.
In this embodiment, the optical path assembly 3 includes a slide 31, a support 32, a first lens 33, and a second lens 34, where the slide 31 is provided with a guide rail 35 extending along the laser path, the support 32 is disposed on the guide rail 35 and can slide along the guide rail 35, the second lens 34 is fixed on the support 32, and further includes a swing motor 36 connected with the support 32, where the swing motor 36 controls the support 32 to slide back and forth along the guide rail 35, and further includes a driving unit in transmission connection with the slide 31, where the driving unit drives the slide 31 to move back and forth along the direction in which the laser path extends, so that the distance between the first lens 33 and the second lens 34 is adapted to the corresponding marking range; the driving unit can be a motor or a push rod.
Through the scheme of the invention, in specific application: the base 1 is formed by one-step machining by arranging the first machining plane 111 and the second machining plane 112, so that the machining precision is high, and the production is easy; two ends of the first laser A1 are correspondingly abutted on two processing planes; the second laser A2 rotates 90 degrees around the axial direction of the second laser A2, so that the polarization direction of the laser emitted by the second laser A2 and the polarization direction of the laser emitted by the first laser A1 are orthogonally arranged; the rotated second laser A2 is connected with a steering support 12, and correspondingly abuts against the two processing planes through the steering support 12, so that the conversion of the polarization state of the emergent laser is realized, expensive devices such as the existing half wave plate can be replaced, and the cost is effectively saved.
The abutting part of the first laser A1 and the processing plane, the connecting part of the second laser A2 and the steering support 12 and the abutting part of the steering support 12 and the processing plane are respectively provided with a plurality of jackscrews 131 for leveling the corresponding lasers or the steering support 12.
Specifically, the leveling operation of the jack screw 131 is as follows: (1) The first laser A1 is erected on two processing planes, the second laser A2 is erected on the two processing planes after being fixed with the steering support 12, and is fixedly connected through fasteners 15 such as screws or bolts, and the mounting positions of the two lasers are primarily aligned; (2) The elevation and levelness of the two lasers are adjusted by screwing in or out the jackscrew 131, so that the outgoing laser is emitted along a given light path. In this embodiment, the two lasers are leveled by configuring the jackscrew 131, so that subsequent beam compounding operation is facilitated, and high power output of the combined laser H3 is effectively ensured.
The shape, structure and specification of the first laser A1 and the second laser A2 are completely consistent, in this embodiment, the first laser A1 emits a first laser beam J1, and the first laser beam J1 is horizontally polarized light; after rotating 90 degrees, the second laser A2 emits a second laser beam J2, and the second laser beam J2 is vertically polarized light;
the first laser beam J1 is reflected by the first mirror 22 and the second mirror 23 and then enters the beam combining mirror 21; the second laser beam J2 is reflected by a third reflection and then enters the beam combining mirror 21, the beam combining mirror 21 transmits the first laser beam J1, and the second laser beam J2 is reflected, so that the first laser beam J1 transmits the beam combining mirror 21 and forms a combined laser beam H3 together with the reflected light of the second laser beam J2 to be output; the combined laser beam H3 is incident on the scanning head 4 from the optical path unit 3, and is emitted toward the work table G1. The beam combination assembly 2 performs beam combination operation of two paths of emitted laser beams, so that high power output of the combined laser H3 is effectively ensured.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (10)
1. The utility model provides a laser beam processingequipment of double laser ware light-emitting, includes a base, base installs first laser instrument, second laser instrument, beam combination subassembly, light path subassembly and scanning head, its characterized in that:
the base is provided with an installation part, and the upper end surface of the installation part is provided with a first processing plane and a second processing plane; the first processing plane and the second processing plane are separately arranged and have the same height;
the first laser and the second laser are arranged side by side and emit laser towards the same side; two ends of the first laser correspondingly abut against the two processing planes; the second laser rotates 90 degrees around the axial direction of the second laser, so that the polarization direction of the laser emitted by the second laser and the polarization direction of the laser emitted by the first laser are orthogonally arranged; the rotated second laser is connected with a steering support and correspondingly abutted on the two processing planes through the steering support; the abutting part of the first laser and the processing plane, the connecting part of the second laser and the steering support and the abutting part of the steering support and the processing plane are also respectively provided with a plurality of adjusting modules, and each adjusting module is used for leveling the corresponding laser or the steering support;
the beam combining component comprises a beam combining lens and a plurality of reflecting mirrors, wherein the reflecting mirrors are arranged in the laser emitting directions of the two lasers and are used for guiding emitted laser to the beam combining lens, and the laser emitted by the two lasers is combined by the beam combining lens and is transmitted to the light path component; the light path component comprises a plurality of concave lenses and/or convex lenses and is used for adjusting the beam focal length of incident laser; the processing laser is respectively emitted from the first laser and the second laser, and after being combined by the beam combining component, the processing laser is incident to the scanning head through the light path component, and the scanning head comprises a plurality of reflecting lenses for changing the direction of the processing laser so that the processing laser is emitted towards the working platform.
2. The laser processing device for emitting light from the double lasers according to claim 1, wherein the abutting part of the first laser and the processing plane, the connecting part of the second laser and the steering support and the abutting part of the steering support and the processing plane are fixedly connected with each other by fasteners;
the adjusting module is arranged close to the fastening piece and comprises a jackscrew, jackscrew holes matched with the jackscrews are formed in the first laser, the second laser and the steering support, and the jackscrew is connected with the jackscrew holes in a matched mode; when the jackscrew is rotated along the precession direction of the jackscrew, the jackscrew correspondingly abuts against the processing plane or the steering support.
3. The laser processing device for emitting light of double lasers according to claim 2, wherein a jackscrew pad is further arranged on each processing plane, and the jackscrew pad and jackscrews pressed against the processing planes are mutually matched.
4. The laser processing device for emitting light of a twin laser as defined in claim 1, wherein the steering support comprises two legs fixedly connected to each other by a connecting plate; the stand bar comprises a vertical plate connected with the second laser and a supporting plate abutted against the two processing planes, and the vertical plate and the plane where the supporting plate is arranged are mutually perpendicular.
5. The laser processing device for emitting light of dual lasers as claimed in claim 4, wherein the connection part of the vertical plate and the supporting plate is provided with a first reinforcing rib block, and at least one side end surface of the vertical plate and the supporting plate is connected with a second reinforcing rib block.
6. The laser processing device for emitting light of double lasers as claimed in claim 5, wherein the supporting plates of the two legs are provided with a plurality of waist-shaped holes, and the fasteners pass through the waist-shaped holes to fix the steering support on the two processing planes;
a fixed block is further arranged on one side of the supporting plate, a tensioning screw and a top cone are arranged on the fixed block, a screw hole is formed in the supporting plate, and the tensioning screw is matched with the screw hole; the tip cone is in threaded connection with the fixed block and can be screwed in or out along the axis of the tip cone, and the tip cone is propped against or separated from the side end surface of the supporting plate; the axial direction of the tip cone is consistent with the extending direction of the kidney-shaped hole.
7. The laser processing device for emitting light of double lasers according to claim 1, wherein two ends of the bottom of each laser are respectively provided with a support plate, the first laser is in butt joint with two processing planes through the support plates, and the second laser is connected and fixed with the steering support through the support plates.
8. The laser processing device for emitting light from two lasers as claimed in claim 7, wherein two ends of the steering support are respectively provided with a positioning end surface, the two positioning end surfaces correspond to the support plates at two ends of the second laser, and when the second laser is connected with the steering support, the support plates of the second laser are abutted against the corresponding positioning end surfaces.
9. The dual laser light emitting laser machining apparatus of claim 1 wherein the beam combining assembly comprises a first mirror, a second mirror and a third mirror; the first laser emits a first laser beam, the second laser emits a second laser beam, the first laser beam is reflected to the beam combining mirror through the first reflecting mirror and the second reflecting mirror in sequence, and the second laser beam is reflected to the beam combining mirror through the third reflecting mirror;
the beam combining mirror transmits the first laser beam and reflects the second laser beam, so that the first laser beam passes through the beam combining mirror and forms combined laser output together with the reflected light of the second laser beam.
10. The laser processing device for emitting light from the dual laser as set forth in claim 1, wherein the light path assembly comprises a slide, a support, a first lens and a second lens, the slide is provided with a guide rail extending along the laser light path, the support is arranged on the guide rail and can slide along the guide rail, the second lens is fixed on the support, the device further comprises a swing motor connected with the support, the swing motor controls the support to slide back and forth along the guide rail direction, the device further comprises a driving unit connected with the slide in a transmission manner, and the driving unit drives the slide to move back and forth along the direction along which the laser light path extends, so that the distance between the first lens and the second lens is adapted to the corresponding marking range.
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Citations (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0342836A2 (en) * | 1988-05-16 | 1989-11-23 | Lumonics Ltd. | Beam combining unit |
| JP2004006592A (en) * | 2002-04-26 | 2004-01-08 | Fuji Xerox Co Ltd | Semiconductor laser device and mounting structure thereof, and mounting structure of light source unit |
| EP1925435A1 (en) * | 2006-11-22 | 2008-05-28 | EOS GmbH Electro Optical Systems | Apparatus for layerwise manufacturing of three dimensional objects |
| CN101364700A (en) * | 2008-09-27 | 2009-02-11 | 哈尔滨工业大学（威海） | Four-path incoherent co-beam MOPA high-capacity laser system |
| CN101369716A (en) * | 2008-09-25 | 2009-02-18 | 中国科学院长春光学精密机械与物理研究所 | High power light beam coupling semiconductor laser |
| CN101859030A (en) * | 2010-05-20 | 2010-10-13 | 浙江大学 | Device and method for coaxially adjusting double beams in real time |
| CN102289078A (en) * | 2011-06-22 | 2011-12-21 | 深圳市大族激光科技股份有限公司 | Laser combining system and laser combining method |
| CN102566075A (en) * | 2011-11-22 | 2012-07-11 | 北京凯普林光电科技有限公司 | Polarization rotating device as well as polarization beam combining method and system of laser |
| CN102736250A (en) * | 2011-03-31 | 2012-10-17 | 深圳市大族激光科技股份有限公司 | Apparatus and method for adjusting laser beams of CO2 laser device |
| CN203012249U (en) * | 2012-12-04 | 2013-06-19 | 广东汉唐量子光电科技有限公司 | Pulse laser polarization beam-combination device |
| CN103909346A (en) * | 2013-12-26 | 2014-07-09 | 广东大族粤铭激光科技股份有限公司 | Large format laser marking device |
| CN103984112A (en) * | 2014-04-23 | 2014-08-13 | 深圳市大族激光科技股份有限公司 | Reflecting type optical isolator and laser machining equipment with the same |
| CN104503099A (en) * | 2015-01-09 | 2015-04-08 | 中国人民解放军国防科学技术大学 | Light polarization compensation device based on beam shaping technology and space beam combination system |
| EP2913137A1 (en) * | 2014-02-26 | 2015-09-02 | Bystronic Laser AG | Laser machining device and method |
| CN105904085A (en) * | 2016-07-07 | 2016-08-31 | 中国科学院半导体研究所 | Semiconductor laser processing system |
| CN106684685A (en) * | 2017-02-26 | 2017-05-17 | 中国科学院上海光学精密机械研究所 | Apparatus for improving nonlinear polarized light pump laser efficiency |
| CN106825915A (en) * | 2017-03-28 | 2017-06-13 | 北京印刷学院 | The pulse laser induced system and method that transfer prepares pattern metal thin layer forward |
| WO2017185789A1 (en) * | 2016-04-25 | 2017-11-02 | 武汉光迅科技股份有限公司 | Single light-port multi-channel parallel light emission assembly |
| CN208459714U (en) * | 2018-07-16 | 2019-02-01 | 深圳市立德通讯器材有限公司 | A kind of polaroid is with respect to LCD position detecting mechanism |
| CN209182212U (en) * | 2018-12-07 | 2019-07-30 | 维林光电(苏州)有限公司 | A kind of flow cytometer laser boundling platform and flow cytometer |
| WO2020067308A1 (en) * | 2018-09-28 | 2020-04-02 | ダイセルポリマー株式会社 | Nitride-based nonmagnetic ceramic molding and method for producing same |
| CN111098026A (en) * | 2019-12-19 | 2020-05-05 | 中国科学院西安光学精密机械研究所 | Light beam deflection self-compensation system and method of laser double-pendulum-axis machining head |
| CN111884029A (en) * | 2020-08-03 | 2020-11-03 | 深圳市星汉激光科技有限公司 | Polarization beam combiner and laser |
| CN112636158A (en) * | 2021-03-05 | 2021-04-09 | 深圳市星汉激光科技股份有限公司 | Semiconductor laser with double-layer optical path |
| CN213692642U (en) * | 2020-05-28 | 2021-07-13 | 青岛镭创光电技术有限公司 | Double-light-path beam-combining laser |
| CN113146072A (en) * | 2021-06-01 | 2021-07-23 | 苏州德龙激光股份有限公司 | Laser processing device and method for coating brittle material |
| CN113310670A (en) * | 2021-06-03 | 2021-08-27 | 中国科学院空天信息创新研究院 | Laser polarization beam combination measuring device |
| WO2021189664A1 (en) * | 2020-03-23 | 2021-09-30 | 南京萃智激光应用技术研究院有限公司 | Ultraviolet picosecond laser processing apparatus |
| CN215316376U (en) * | 2021-08-06 | 2021-12-28 | 深圳市镭硕光电科技有限公司 | Laser engraving module based on polarization light combination |
| CN216119577U (en) * | 2021-07-20 | 2022-03-22 | 中国科学院西安光学精密机械研究所 | Optical-mechanical device of two-dimensional magneto-optical trap |
| JP2022120329A (en) * | 2021-02-05 | 2022-08-18 | 古河電気工業株式会社 | Optical device, light source device, and optical fiber laser |
| CN115832848A (en) * | 2022-12-02 | 2023-03-21 | 武汉光至科技有限公司 | Frequency-locked deep ultraviolet ultrafast laser |
| CN116169563A (en) * | 2023-03-13 | 2023-05-26 | 广东异彩光电科技有限公司 | Laser device combining polarization beam combination and bidirectional shaping |
-
2023
- 2023-11-23 CN CN202311573397.9A patent/CN117381212B/en active Active
Patent Citations (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0342836A2 (en) * | 1988-05-16 | 1989-11-23 | Lumonics Ltd. | Beam combining unit |
| JP2004006592A (en) * | 2002-04-26 | 2004-01-08 | Fuji Xerox Co Ltd | Semiconductor laser device and mounting structure thereof, and mounting structure of light source unit |
| EP1925435A1 (en) * | 2006-11-22 | 2008-05-28 | EOS GmbH Electro Optical Systems | Apparatus for layerwise manufacturing of three dimensional objects |
| CN101369716A (en) * | 2008-09-25 | 2009-02-18 | 中国科学院长春光学精密机械与物理研究所 | High power light beam coupling semiconductor laser |
| CN101364700A (en) * | 2008-09-27 | 2009-02-11 | 哈尔滨工业大学（威海） | Four-path incoherent co-beam MOPA high-capacity laser system |
| CN101859030A (en) * | 2010-05-20 | 2010-10-13 | 浙江大学 | Device and method for coaxially adjusting double beams in real time |
| CN102736250A (en) * | 2011-03-31 | 2012-10-17 | 深圳市大族激光科技股份有限公司 | Apparatus and method for adjusting laser beams of CO2 laser device |
| CN102289078A (en) * | 2011-06-22 | 2011-12-21 | 深圳市大族激光科技股份有限公司 | Laser combining system and laser combining method |
| CN102566075A (en) * | 2011-11-22 | 2012-07-11 | 北京凯普林光电科技有限公司 | Polarization rotating device as well as polarization beam combining method and system of laser |
| CN203012249U (en) * | 2012-12-04 | 2013-06-19 | 广东汉唐量子光电科技有限公司 | Pulse laser polarization beam-combination device |
| CN103909346A (en) * | 2013-12-26 | 2014-07-09 | 广东大族粤铭激光科技股份有限公司 | Large format laser marking device |
| EP2913137A1 (en) * | 2014-02-26 | 2015-09-02 | Bystronic Laser AG | Laser machining device and method |
| CN103984112A (en) * | 2014-04-23 | 2014-08-13 | 深圳市大族激光科技股份有限公司 | Reflecting type optical isolator and laser machining equipment with the same |
| CN104503099A (en) * | 2015-01-09 | 2015-04-08 | 中国人民解放军国防科学技术大学 | Light polarization compensation device based on beam shaping technology and space beam combination system |
| WO2017185789A1 (en) * | 2016-04-25 | 2017-11-02 | 武汉光迅科技股份有限公司 | Single light-port multi-channel parallel light emission assembly |
| CN105904085A (en) * | 2016-07-07 | 2016-08-31 | 中国科学院半导体研究所 | Semiconductor laser processing system |
| CN106684685A (en) * | 2017-02-26 | 2017-05-17 | 中国科学院上海光学精密机械研究所 | Apparatus for improving nonlinear polarized light pump laser efficiency |
| CN106825915A (en) * | 2017-03-28 | 2017-06-13 | 北京印刷学院 | The pulse laser induced system and method that transfer prepares pattern metal thin layer forward |
| CN208459714U (en) * | 2018-07-16 | 2019-02-01 | 深圳市立德通讯器材有限公司 | A kind of polaroid is with respect to LCD position detecting mechanism |
| WO2020067308A1 (en) * | 2018-09-28 | 2020-04-02 | ダイセルポリマー株式会社 | Nitride-based nonmagnetic ceramic molding and method for producing same |
| CN209182212U (en) * | 2018-12-07 | 2019-07-30 | 维林光电(苏州)有限公司 | A kind of flow cytometer laser boundling platform and flow cytometer |
| CN111098026A (en) * | 2019-12-19 | 2020-05-05 | 中国科学院西安光学精密机械研究所 | Light beam deflection self-compensation system and method of laser double-pendulum-axis machining head |
| WO2021189664A1 (en) * | 2020-03-23 | 2021-09-30 | 南京萃智激光应用技术研究院有限公司 | Ultraviolet picosecond laser processing apparatus |
| CN213692642U (en) * | 2020-05-28 | 2021-07-13 | 青岛镭创光电技术有限公司 | Double-light-path beam-combining laser |
| CN111884029A (en) * | 2020-08-03 | 2020-11-03 | 深圳市星汉激光科技有限公司 | Polarization beam combiner and laser |
| JP2022120329A (en) * | 2021-02-05 | 2022-08-18 | 古河電気工業株式会社 | Optical device, light source device, and optical fiber laser |
| CN112636158A (en) * | 2021-03-05 | 2021-04-09 | 深圳市星汉激光科技股份有限公司 | Semiconductor laser with double-layer optical path |
| CN113146072A (en) * | 2021-06-01 | 2021-07-23 | 苏州德龙激光股份有限公司 | Laser processing device and method for coating brittle material |
| CN113310670A (en) * | 2021-06-03 | 2021-08-27 | 中国科学院空天信息创新研究院 | Laser polarization beam combination measuring device |
| CN216119577U (en) * | 2021-07-20 | 2022-03-22 | 中国科学院西安光学精密机械研究所 | Optical-mechanical device of two-dimensional magneto-optical trap |
| CN215316376U (en) * | 2021-08-06 | 2021-12-28 | 深圳市镭硕光电科技有限公司 | Laser engraving module based on polarization light combination |
| CN115832848A (en) * | 2022-12-02 | 2023-03-21 | 武汉光至科技有限公司 | Frequency-locked deep ultraviolet ultrafast laser |
| CN116169563A (en) * | 2023-03-13 | 2023-05-26 | 广东异彩光电科技有限公司 | Laser device combining polarization beam combination and bidirectional shaping |
Non-Patent Citations (1)
| Title |
|---|
| 李斌;高俊;赵俊;余安澜;王新兵;左都罗;: "宽调谐范围光栅外腔窄线宽405nm蓝紫光半导体激光器研究", 中国激光, no. 12, 10 December 2015 (2015-12-10) * |
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