CN213224728U - Annular light spot manufacturing device and laser processing device - Google Patents
Annular light spot manufacturing device and laser processing device Download PDFInfo
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- CN213224728U CN213224728U CN202022215257.2U CN202022215257U CN213224728U CN 213224728 U CN213224728 U CN 213224728U CN 202022215257 U CN202022215257 U CN 202022215257U CN 213224728 U CN213224728 U CN 213224728U
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
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- 238000005520 cutting process Methods 0.000 abstract description 22
- 238000003466 welding Methods 0.000 abstract description 19
- 238000005553 drilling Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract description 2
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Abstract
The application discloses annular facula manufacturing installation and laser beam machining device. The annular light spot manufacturing device comprises a light splitting module, an annular light path module, a central light path module, a light path adjusting module and a focusing mirror. The collimated light beam is emitted to the light splitting module, and the light splitting module splits the collimated light beam into a first light beam and a second light beam. The annular light path module includes an axicon assembly that converts the first light beam into an annular light beam. The central light path module comprises a beam shrinking module, and the beam shrinking module adjusts the size of the second light beam to form a central light beam. The light path adjusting module comprises a beam combining module, and the annular light beam and the central light beam are adjusted through the light path and are combined through the beam combining module to form a third light beam of which the central light beam is positioned at the center of the annular light beam. The third light beam is focused by the focusing lens to form an annular light spot. The application provides a technical scheme can realize that annular facula size is accurate adjustable, and processingquality is stable, mainly is applied to aspects such as cutting, drilling, welding.
Description
Technical Field
The application relates to the technical field of laser processing, in particular to an annular light spot manufacturing device and a laser processing device.
Background
Laser cutting, in which a workpiece is irradiated with a focused high-power-density laser beam, the irradiated material is rapidly melted, vaporized, ablated or reaches a burning point, and the melted material is blown off by means of a high-speed airflow coaxial with the beam, thereby cutting the workpiece.
At present, the laser processing quality of the laser in the market is unstable in the laser processing process.
SUMMERY OF THE UTILITY MODEL
The application provides an annular facula manufacturing installation and laser beam machining device, it can realize that annular facula size is accurate adjustable, and processingquality is stable, mainly is applied to aspects such as cutting, drilling, welding.
In a first aspect, an embodiment of the present invention provides an annular light spot manufacturing apparatus, including:
a beam splitting module to split the collimated beam into a first beam and a second beam;
an annular light path module comprising a cone lens assembly to convert the first light beam into an annular light beam;
the central light path module comprises a beam shrinking module for adjusting the size of the second light beam to form a central light beam;
the light path adjusting module comprises a beam combining module for combining the annular light beam and the central light beam into a third light beam, and the central light beam is positioned at the center of the annular light beam; and
and the focusing mirror is used for focusing the third light beam to form an annular light spot.
In the implementation process, the collimated light beam passes through the light splitting module and is split into a first light beam and a second light beam; the first light beam is converted into an annular light beam through the annular light path module, and the second light beam is adjusted in size after passing through the central light path module to form a central light beam; the annular light beam and the central light beam are adjusted by the light path adjusting module and combined to form a third light beam taking the central light beam as the center and the annular light beam as the outer ring; the third light beam is focused by the focusing lens to form an annular light spot with stable processing quality, so that the high-quality processing of the workpiece is facilitated; in the cutting application, the cutting quality of the workpiece can be ensured, so that the cutting section of the workpiece is finer and smoother, and the roughness is lower; meanwhile, in welding application, the laser absorption rate is facilitated, a heat preservation effect is realized on a molten pool, and the welding stability and quality of workpieces are ensured; meanwhile, in the drilling application, the quality of drilling on the workpiece can be ensured.
In an alternative embodiment, the axicon assembly comprises a first axicon and a second axicon, the conical surface of the first axicon and the conical surface of the second axicon being oppositely disposed.
In the implementation process, the first light beam enters the first cone lens from the plane of the first cone lens to form a Bessel light beam; the Bessel light beam irradiates to the conical surface of the second cone lens, and is emitted from the plane of the second cone lens after the action of the second cone lens so as to form a collimated annular light beam, ensure the normal formation of an annular light spot and be beneficial to improving the service efficiency of the first light beam.
In an alternative embodiment, the annular optical path module further includes a first power adjustment module disposed between the cone lens assembly and the light splitting module to adjust the power of the first light beam.
In the process of the realization, the first power adjusting module can adjust the power of the first light beam, thereby adjusting the power of the annular light beam, being beneficial to controlling the penetration depth, the cutting speed, the welding precision and the welding speed of the annular light spot to the workpiece, and ensuring the processing quality of the annular light spot to the workpiece.
In an alternative embodiment, the central light path module further comprises a second power adjustment module to adjust the power of the second light beam.
In the process of the realization, the second power adjusting module can adjust the power of the second light beam, thereby adjusting the power of the central light beam, being beneficial to controlling the penetration depth, the cutting speed, the welding precision and the welding speed of the annular light spot to the workpiece, and ensuring the processing quality of the annular light spot to the workpiece.
In an alternative embodiment, the beam combining module includes a transmissive region in the center and a reflective region surrounding the transmissive region.
In the implementation process, the central light beam is transmitted from the transmission area to the direction of the focusing mirror, and the annular light beam is reflected from the reflection area to the direction of the focusing mirror, so that a third light beam is formed. The beam combining module has simple structure and good beam combining effect; meanwhile, the central light beam and the annular light beam can be combined into one light beam only through the beam combining module, so that the size and the weight of the annular light spot manufacturing device can be effectively reduced.
In an alternative embodiment, the optical path adjusting module comprises a mirror group;
the central light path module is positioned above the beam combination module, and the central light beam penetrates through a transmission area of the beam combination module;
the reflector set is arranged at the side of the beam combination module so that the annular light beam is emitted to the reflection area of the beam combination module from the side of the beam combination module.
In the implementation process, the central light path module and the light path adjusting module are distributed around the beam combining module, so that the structural layout of the annular light spot manufacturing device is simplified, and the space utilization rate is effectively improved.
In an alternative embodiment, the set of mirrors comprises a first mirror and a second mirror;
the annular light path module is arranged on the side of the beam combination module, and the converted annular light beam is emitted along the direction vertical to the central light beam;
the first reflector and the second reflector are obliquely arranged to reflect the annular light beam in the opposite direction towards the beam combining module.
In the process of realizing, the emission directions of the annular light beam and the central light beam are mutually perpendicular, the layout of the light splitting module, the central light path module and the annular light path module is facilitated, the three are compact, the space is not wasted, and meanwhile, the emission track of the annular light beam is short under the action of the reflector group, so that the energy of the annular light beam is avoided being wasted in the emission process.
In an optional embodiment, the optical path adjusting module further includes a divergence angle adjusting module, which is disposed between the beam combining module and the annular optical path module.
In the process of realizing, the size of the annular light beam can be adjusted through the divergence angle adjusting module, so that the size of the annular light spot can be adjusted to adapt to different processing requirements, different processing types are met, and the processing quality of different workpieces is guaranteed.
In an alternative embodiment, the annular light spot manufacturing apparatus further includes a collimator lens disposed upstream of the light splitting module to provide a collimated light beam to the light splitting module.
In the implementation process, when the beam source provides the divergent beam, the divergent beam is converted into the collimated beam through the collimating mirror, so that the normal generation of the annular light spot is ensured.
In a second aspect, an embodiment of the present invention provides a laser processing apparatus, including:
a light beam source; and
the annular light spot manufacturing apparatus according to any one of the foregoing embodiments;
the beam source provides a beam which is converted by the annular light spot manufacturing device to form the annular light spot.
In the implementation process, the laser processing device can generate an annular light spot with stable processing quality; when the laser processing device processes the workpiece, the high-quality processing of the workpiece is facilitated; in the cutting application, the cutting quality of the workpiece can be ensured, so that the cutting section of the workpiece is finer and smoother, and the roughness is lower; meanwhile, in welding application, the laser absorption rate is facilitated, a heat preservation effect is realized on a molten pool, and the welding stability and quality of workpieces are ensured; meanwhile, in the drilling application, the quality of drilling on the workpiece can be ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic diagram of an apparatus for manufacturing an annular light spot according to the present embodiment;
FIG. 2 is a schematic view of an annular light spot in the present embodiment;
FIG. 3 is a schematic diagram of a beam combining module according to the present embodiment;
fig. 4 is a schematic diagram of another annular light spot manufacturing apparatus according to the present embodiment.
Icon: 10-annular light spot manufacturing means; 11-a light splitting module; 12-an annular light path module; 13-a central light path module; 14-an optical path adjusting module; 15-a focusing mirror; 16-an axicon assembly; 17-a beam shrinking module; 18-a beam combining module; 19-a first light beam; 20-a second light beam; 21-a third light beam; 22-annular light spot; 23-a first axicon; 24-a second cone lens; 25-a first power adjustment module; 26-a second power adjustment module; 27-a transmissive region; 28-a reflective area; 29-a set of mirrors; 30-a first mirror; 31-a second mirror; 32-a divergence angle adjustment module; 33-a collimating mirror; 34-light beam source.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, refer to the orientation or positional relationship as shown in the drawings, or as conventionally placed in use of the product of the application, or as conventionally understood by those skilled in the art, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.
In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The technical solution in the present application will be described below with reference to the accompanying drawings.
The embodiment provides an annular light spot manufacturing installation 10, and it can realize that annular light spot size is accurate adjustable, and processingquality is stable, mainly is applied to aspects such as cutting, drilling, welding.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic diagram of an annular light spot manufacturing apparatus 10 in the present embodiment, and fig. 2 is a schematic diagram of an annular light spot 22 in the present embodiment.
The annular light spot manufacturing apparatus 10 includes a light splitting module 11, an annular light path module 12, a central light path module 13, a light path adjusting module 14, and a focusing mirror 15.
The collimated beam is directed to the beam splitting module 11, and the beam splitting module 11 splits the collimated beam into a first beam 19 and a second beam 20. The first beam 19 is directed to the annular optical path module 12 and the second beam 20 is directed to the central optical path module 13.
The annular light path module 12 includes an axicon assembly 16, the axicon assembly 16 converting the first light beam 19 into an annular light beam. The central light path module 13 includes a beam reduction module 17, and the beam reduction module 17 adjusts the size of the second light beam 20 to form a central light beam. The optical path adjusting module 14 includes a beam combining module 18, and the ring-shaped light beam and the central light beam are adjusted by the optical path and combined by the beam combining module 18 to form a third light beam 21 with the central light beam located at the center of the ring-shaped light beam. The third beam 21 is focused by the focusing mirror 15 to form an annular spot 22.
In the implementation process, the beam source 34 provides the collimated beam to the annular light spot manufacturing apparatus 10, and the collimated beam passes through the light splitting module 11 and is split into the first beam 19 and the second beam 20; the first light beam 19 is converted into an annular light beam through the annular light path module 12, and the second light beam 20 is adjusted in size after passing through the central light path module 13 to form a central light beam; the annular light beam and the central light beam are adjusted by the light path adjusting module 14, and combined to form a third light beam 21 which takes the central light beam as the center and the annular light beam as the outer ring; the third light beam 21 is focused by the focusing lens 15 to form an annular light spot 22 with stable processing quality, so that the high-quality processing of the workpiece is facilitated, and the cutting quality of the workpiece is ensured; in the cutting application, the cutting quality of the workpiece can be ensured, so that the cutting section of the workpiece is finer and smoother, and the roughness is lower; meanwhile, in welding application, the laser absorption rate is facilitated, a heat preservation effect is realized on a molten pool, and the welding stability and quality of workpieces are ensured; meanwhile, in the drilling application, the quality of drilling on the workpiece can be ensured.
It should be noted that, part of the collimated light beam passes through the splitting module 11 to generate the second light beam 20, and the rest of the collimated light beam is reflected by the splitting module 11 to generate the first light beam 19, in this disclosure, the splitting module 11 can adjust the power ratio of the transmitted and reflected light beams to adapt to different workpieces or different processing technologies, so as to provide good processing quality for different workpieces or different processing technologies.
In the present disclosure, the axicon assembly 16 includes a first axicon 23 and a second axicon 24, with the tapered surface of the first axicon 23 and the tapered surface of the second axicon 24 being oppositely disposed.
In the implementation process, the first light beam 19 enters the first axicon 23 from the plane of the first axicon 23 to form a bessel light beam; the Bessel light beam emits to the conical surface of the second cone lens 24, and emits from the plane of the second cone lens 24 after the action of the second cone lens 24 to form a collimated annular light beam, so that the normal formation of the annular light spot 22 is ensured, and the use efficiency of the first light beam 19 is improved.
It should be noted that, in other embodiments, the structural composition of the axicon assembly 16 is not limited, for example, the axicon assembly 16 may also be an axicon, and an axicon may also convert the first light beam 19 into a ring-shaped light beam.
In the present disclosure, the annular optical path module 12 further includes a first power adjustment module 25 disposed between the cone lens assembly 16 and the light splitting module 11 to adjust the power of the first light beam 19.
In the implementation process, the first power adjusting module 25 can adjust the power of the first light beam 19, so that the power of the annular light beam is adjusted, the penetration depth, the cutting speed, the welding precision and the welding speed of the annular light spot 22 to the workpiece are controlled, and the processing quality of the annular light spot 22 to the workpiece is guaranteed.
In the present disclosure, the central light path module 13 further includes a second power adjustment module 26 to adjust the power of the second light beam 20.
In the implementation process, the second power adjustment module 26 can adjust the power of the second light beam 20, so as to adjust the power of the central light beam, and control the penetration depth, cutting speed, welding precision and welding speed of the annular light spot 22 on the workpiece is facilitated, thereby ensuring the processing quality of the annular light spot 22 on the workpiece.
Since the annular spot manufacturing apparatus 10 can adjust the annular region of the annular spot 22, i.e., the region where the annular beam is focused, and the central region of the annular spot 22, i.e., the region where the central beam is focused, it is possible to accurately control the power of the annular spot 22, and to ensure accurate control of the processing quality.
Referring to fig. 3, fig. 3 is a schematic diagram of the beam combining module 18 in the present embodiment.
In the present disclosure, the beam combining module 18 includes a transmissive region 27 at the center and a reflective region 28 surrounding the transmissive region 27.
In the above implementation, the central light beam is transmitted by the transmission area 27 toward the focusing mirror 15, and the ring-shaped light beam is reflected by the reflection area 28 toward the focusing mirror 15, thereby forming the third light beam 21. The beam combining module 18 has a simple structure and a good beam combining effect; meanwhile, since the central beam and the annular beam can be combined into one beam only by the beam combining module 18, the volume and weight of the annular spot manufacturing apparatus 10 can be effectively reduced.
In the present disclosure, the optical path adjusting module 14 includes a mirror group 29. The central optical path module 13 is located above the beam combining module 18, and the central light beam penetrates through the transmission area 27 of the beam combining module 18. The reflector set 29 is disposed at a side of the beam combining module 18, so that the ring-shaped light beam is emitted from the side of the beam combining module 18 to the reflective region 28 of the beam combining module 18.
In the implementation process, the central light path module 13 and the light path adjusting module 14 are arranged around the beam combining module 18, so that the structural layout of the annular light spot manufacturing device 10 is simplified, and the space utilization rate is effectively improved.
In the present disclosure, the mirror group 29 includes a first mirror 30 and a second mirror 31. The annular light path module 12 is disposed at a side of the beam combining module 18, and the annular light beam converted by the annular light path module 12 is emitted in a direction perpendicular to the central light beam. The first mirror 30 and the second mirror 31 are disposed obliquely to reverse the emitting direction of the annular light beam so that the annular light beam is reflected toward the beam combining module 18.
In the implementation process, the emission directions of the annular light beam and the central light beam are perpendicular to each other, so that the layout of the light splitting module 11, the central light path module 13 and the annular light path module 12 is facilitated, the three are compact, no space is wasted, and meanwhile, the emission track of the annular light beam is short under the action of the reflector group 29, and the energy of the annular light beam is prevented from being wasted in the emission process.
In the present disclosure, the optical path adjusting module 14 further includes a divergence angle adjusting module 32, which is disposed between the beam combining module 18 and the annular optical path module 12.
In the implementation process, the size of the annular light beam can be adjusted through the divergence angle adjusting module 32, so that the size of the annular light spot 22 is adjusted to adapt to different processing requirements, different processing types are met, and the processing quality of different workpieces is guaranteed.
Referring to fig. 4, fig. 4 is a schematic diagram of another annular light spot manufacturing apparatus 10 according to the present embodiment.
The structure of the annular light spot manufacturing apparatus 10 is substantially the same as that of the annular light spot manufacturing apparatus 10 described above, except that the annular light spot manufacturing apparatus 10 shown in fig. 4 further includes a collimator lens 33 provided upstream of the light splitting module 11 to provide a collimated light beam to the light splitting module 11.
In the implementation process, when the beam source 34 provides a divergent beam, the divergent beam is converted into a collimated beam by the collimator lens 33, so that the effective utilization of the beam energy is ensured, and the normal generation of the annular light spot 22 is ensured.
It should be noted that the present disclosure also provides a laser processing apparatus, which includes the beam source 34 and the annular spot manufacturing apparatus 10 provided above. The beam source 34 provides a beam that is converted by the annular spot manufacturing apparatus 10 to form the annular spot 22.
In the implementation process, the laser processing device can generate the annular light spot 22 with stable processing quality; when the laser processing device is used for processing a workpiece, the high-quality processing of the workpiece is facilitated, and the cutting quality of the workpiece is ensured; in the cutting application, the cutting quality of the workpiece can be ensured, so that the cutting section of the workpiece is finer and smoother, and the roughness is lower; meanwhile, in welding application, the laser absorption rate is facilitated, a heat preservation effect is realized on a molten pool, and the welding stability and quality of workpieces are ensured; meanwhile, in the drilling application, the quality of drilling on the workpiece can be ensured.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. An annular light spot manufacturing apparatus, comprising:
a beam splitting module to split the collimated beam into a first beam and a second beam;
an annular light path module comprising a cone lens assembly to convert the first light beam into an annular light beam;
the central light path module comprises a beam shrinking module for adjusting the size of the second light beam to form a central light beam;
the light path adjusting module comprises a beam combining module for combining the annular light beam and the central light beam into a third light beam, and the central light beam is positioned at the center of the annular light beam; and
and the focusing mirror is used for focusing the third light beam to form an annular light spot.
2. The annular light spot manufacturing apparatus according to claim 1,
the cone lens component comprises a first cone lens and a second cone lens, and the conical surface of the first cone lens and the conical surface of the second cone lens are oppositely arranged.
3. The annular light spot manufacturing apparatus according to claim 1,
the annular light path module further comprises a first power adjusting module which is arranged between the cone lens assembly and the light splitting module so as to adjust the power of the first light beam.
4. The annular light spot manufacturing apparatus according to claim 3,
the central light path module further comprises a second power adjustment module to adjust the power of the second light beam.
5. The annular light spot manufacturing apparatus according to claim 1,
the beam combining module comprises a transmission area in the center and a reflection area surrounding the transmission area.
6. The annular light spot manufacturing apparatus according to claim 5,
the light path adjusting module comprises a reflector group;
the central light path module is positioned above the beam combination module, and the central light beam penetrates through a transmission area of the beam combination module;
the reflector group is arranged on the side of the beam combination module, so that the annular light beam is emitted to the reflection area of the beam combination module from the side of the beam combination module.
7. The annular light spot manufacturing apparatus according to claim 6,
the reflector group comprises a first reflector and a second reflector;
the annular light path module is arranged on the side of the beam combination module, and the converted annular light beam is emitted along the direction vertical to the central light beam;
the first reflector and the second reflector are obliquely arranged so as to reflect the emission direction of the annular light beam to the beam combining module in the opposite direction.
8. The annular light spot manufacturing apparatus according to claim 1,
the light path adjusting module further comprises a divergence angle adjusting module which is arranged between the beam combining module and the annular light path module.
9. The annular light spot manufacturing apparatus according to claim 1,
the annular light spot manufacturing device further comprises a collimating mirror which is arranged at the upstream of the light splitting module and used for providing collimated light beams for the light splitting module.
10. A laser processing apparatus, comprising:
a light beam source; and
the annular spot making apparatus according to any one of claims 1 to 9;
the beam source provides a beam which is converted by the annular light spot manufacturing device to form an annular light spot.
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| CN202022215257.2U CN213224728U (en) | 2020-09-29 | 2020-09-29 | Annular light spot manufacturing device and laser processing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121938A (en) * | 2022-08-10 | 2022-09-30 | 南京辉锐光电科技有限公司 | Laser head monitoring module, multiband laser light path system and laser processing equipment |
| CN117293627A (en) * | 2023-11-27 | 2023-12-26 | 四川中久大光科技有限公司 | Miniaturized device for integrated dynamic monitoring of direction and power and application method thereof |
-
2020
- 2020-09-29 CN CN202022215257.2U patent/CN213224728U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121938A (en) * | 2022-08-10 | 2022-09-30 | 南京辉锐光电科技有限公司 | Laser head monitoring module, multiband laser light path system and laser processing equipment |
| CN115121938B (en) * | 2022-08-10 | 2023-09-26 | 南京辉锐光电科技有限公司 | Laser head monitoring module, multiband laser optical path system and laser processing equipment |
| CN117293627A (en) * | 2023-11-27 | 2023-12-26 | 四川中久大光科技有限公司 | Miniaturized device for integrated dynamic monitoring of direction and power and application method thereof |
| CN117293627B (en) * | 2023-11-27 | 2024-02-20 | 四川中久大光科技有限公司 | Miniaturized device for integrated dynamic monitoring of direction and power and application method thereof |
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