CN216966623U - Laser assembly and laser processing equipment - Google Patents
Laser assembly and laser processing equipment Download PDFInfo
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- CN216966623U CN216966623U CN202122746980.8U CN202122746980U CN216966623U CN 216966623 U CN216966623 U CN 216966623U CN 202122746980 U CN202122746980 U CN 202122746980U CN 216966623 U CN216966623 U CN 216966623U
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Abstract
The utility model discloses a laser assembly and laser processing equipment, wherein the laser assembly comprises a fixing plate, a laser, a movement module and a lifting mechanism, the laser is used for emitting laser, and the laser is arranged on the fixing plate; the moving module is connected with the fixed plate and comprises a field lens, and the field lens is arranged on a light path of the laser; the lifting mechanism is arranged on one surface of the motion module, which is far away from the field lens; the lifting mechanism drives the motion module to move up and down to drive the field lens to move up and down, so that the focal position of the laser passing through the field lens can be adjusted. According to the technical scheme, the lifting mechanism drives the motion module to drive the field lens to move up and down, so that the automatic adjustment of the focus position is realized, the traditional manual adjustment of the focus position is changed, the focus position is quickly adjusted to a proper position, and the production efficiency of products is accelerated.
Description
Technical Field
The utility model relates to the technical field of laser processing, in particular to a laser assembly and laser processing equipment.
Background
Laser processing equipment is capable of performing laser processing on various substances with a laser beam. In a laser processing apparatus, a laser beam emitted from a laser irradiates a focusing field lens as a parallel beam, and the focusing field lens focuses the parallel beam to a focusing point to realize a processing function. Because the focal length of the focusing field lens is not changed, the position of the focal point relative to the object needs to be adjusted according to the area of the object, the thickness and hardness of the material of the object, the laser etching degree and other factors in the laser processing process. The position of the focus needs to be accurately controlled if the machining precision is high, the cut section is smooth and has no burrs, and the like. At present, most of laser processing equipment depends on manual adjustment of the position of a focus, the degree of automation is low, the speed of manual adjustment of the position of the focus is low, and the production efficiency of products is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a laser assembly and laser processing equipment, and aims to solve the problem of low focal point adjusting speed of the laser processing equipment.
In order to achieve the above purpose, the laser assembly provided by the present invention comprises a fixing plate, a laser, a motion module and a lifting mechanism, wherein the laser is used for emitting laser, and the laser is arranged on the fixing plate; the moving module is connected with the fixed plate and comprises a field lens, and the field lens is arranged on a light path of the laser; the lifting mechanism is arranged on one surface of the motion module, which is far away from the field lens; the lifting mechanism drives the motion module to move up and down to drive the field lens to move up and down, so that the focal position of the laser passing through the field lens can be adjusted.
In one embodiment, the moving module includes a movable plate, the field lens is disposed on the movable plate, and the movable plate is slidably mounted on the lifting mechanism up and down to drive the field lens to move up and down, so that a focal position of the laser passing through the field lens is adjustable.
In an embodiment, the motion module includes a movable column and a movable reflector, the movable reflector is fixedly mounted on the movable plate, the movable reflector is located between the laser and the optical path of the field lens, and two ends of the movable column are respectively telescopically connected to the fixed plate and the movable reflector.
In an embodiment, elevating system includes lifter plate, linear slide rail and reinforcing platform, linear slide rail locates reinforcing platform's the place ahead, movable opening has been seted up to linear slide rail's both sides, the lifter plate runs through movable opening just the both sides board of lifter plate is exposed, the both sides board installation of lifter plate the fly leaf, the lifter plate can the activity opening slides from top to bottom, in order to drive the fly leaf reciprocates.
In an embodiment, a galvanometer is disposed on the movable plate and located between the movable reflector and the field lens.
In an embodiment, a plurality of fixed mirrors are disposed on the fixed plate, and the plurality of fixed mirrors are located between the optical paths of the laser and the movable mirror.
In an embodiment, a beam expander is disposed on the fixing plate, and the beam expander is located between two adjacent fixing reflectors.
In an embodiment, a beam combiner is disposed on the movable plate, and the beam combiner is located between the movable reflector and the galvanometer.
In one embodiment, the range of motion of the lifting plate is 0 to 100 mm.
The utility model also provides laser processing equipment which comprises a laser assembly, wherein the laser assembly comprises a fixed plate, a laser, a movement module and a lifting mechanism, the laser is used for emitting laser, and the laser is arranged on the fixed plate; the moving module is connected with the fixed plate and comprises a field lens, and the field lens is arranged on a light path of the laser; the lifting mechanism is arranged on one surface of the motion module, which is far away from the field lens; the lifting mechanism drives the motion module to move up and down to drive the field lens to move up and down, so that the focal position of the laser passing through the field lens can be adjusted.
According to the technical scheme, the lifting mechanism drives the motion module to drive the field lens to move up and down, so that the automatic adjustment of the focus position is realized, the traditional manual adjustment of the focus position is changed, the focus position is quickly adjusted to a proper position, and the production efficiency of products is accelerated.
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 diagram of a portion of a laser assembly according to an embodiment of the present invention;
FIG. 2 is another schematic diagram of a laser assembly according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a laser machining apparatus of the present invention;
FIG. 4 is a schematic structural diagram of a movable plate and a lifting mechanism of an embodiment of a laser module according to the present invention;
FIG. 5 is a schematic diagram of a lifting mechanism of an embodiment of a laser assembly of the present invention;
fig. 6 is a side view of fig. 4.
The reference numbers illustrate:
| reference numerals | Name(s) | Reference numerals | Name (R) |
| 100 | |
240 | |
| 110 | |
250 | Beam combiner |
| 120 | Fixed |
260 | |
| 130 | |
300 | |
| 200 | |
310 | Linear sliding |
| 210 | |
320 | Reinforcing table |
| 220 | |
312 | |
| 230 | |
311 | Movable opening |
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, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
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 of the feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. 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.
In the laser processing, a high-power laser beam is focused by a focusing lens to form a fine focus, and then the high energy of the focus is utilized to melt and vaporize the object to be processed, so that the processing is realized. The positioning of the laser focus is a very critical step, and the good quality of the cutting of the object to be processed can be ensured only if the focus is aligned. At present, the focus position is mostly manually adjusted, the accuracy of manual adjustment is low, the speed is low, and the efficiency of laser processing is greatly influenced.
Referring to fig. 1 to 6, the present invention provides a laser 110 assembly, which includes a fixing plate 100, a laser 110, a moving module 200 and a lifting mechanism 300, wherein the laser 110 is used for emitting laser, and the laser 110 is disposed on the fixing plate 100; the moving module 200 is connected to the fixing plate 100, the moving module 200 includes a field lens 220, and the field lens 220 is disposed on the light path of the laser; the lifting mechanism 300 is arranged on one surface of the motion module 200 far away from the field lens 220; the lifting mechanism 300 drives the motion module 200 to move up and down to drive the field lens 220 to move up and down, so that the focal position of the laser formed by the field lens 220 can be adjusted.
Specifically, the laser 110 may emit various types of laser light, and the laser light may be green laser light, CO2 laser light, ultraviolet laser light, or the like. An object to be processed is arranged below the field lens 220, and laser emitted by the laser 110 irradiates the field lens 220 through a plurality of lenses and is integrated and focused to a focus point to realize a processing function. When the position of the focus needs to be adjusted, the lifting mechanism 300 drives the motion module 200 to drive the field lens 220 to move up and down, the focal length of the field lens 220 is unchanged, and the focus moves along with the movement of the motion module 200 to adjust the position of the focus. The automatic focus position adjusting device is simple and reliable in structure, convenient to operate, capable of automatically adjusting the focus position only by a machine in the device, high in speed and high in precision. Especially for processing workpieces with different materials and thicknesses, the machine can automatically and quickly adjust the focus to the most appropriate position, thereby saving a large amount of unnecessary operations. The laser assembly has the function of automatically adjusting the focus position, can obviously improve the processing efficiency of laser processing equipment, has lower cost and higher cost performance compared with manual focus adjustment and time, and greatly shortens the processing time due to the automatic focusing function.
Referring to fig. 2 to 4, in the present embodiment, the motion module 200 includes a movable plate 210, the field lens 220 is disposed on the movable plate 210, and the movable plate 210 is slidably mounted on the lifting mechanism 300 up and down to drive the field lens 220 to move up and down, so that a focal position formed by the laser passing through the field lens 220 is adjustable. It is understood that the shape of the movable plate 210 may be square, circular, oval, regular, and other irregular shapes are possible. The movable plate 210 and the field lens 220 should be fixed, so that the movable plate can drive the field lens 220 to move when moving. The lifting mechanism 300 drives the movable plate 210 to drive the field lens 220 to move up and down, so as to adjust the position of the focus. The movable plate 210 may be provided with not only the field lens 220 but also various optical devices to increase the laser processing speed and ensure the practicability of the overall structure of the present invention.
With reference to fig. 2 to fig. 4, in the present embodiment, the moving module 200 includes a movable post 260 and a movable mirror 240, the movable mirror 240 is fixedly mounted on the movable plate 210, the movable mirror 240 is located between the optical paths of the laser 110 and the field lens 220, and two ends of the movable post 260 are respectively telescopically connected to the fixed plate 100 and the movable mirror 240. It can be understood that when the lifting mechanism 300 drives the movable plate 210 to move upward, the movable mirror 240 can be driven to move upward, the fixed plate 100 is not moved, and the movable column 260 retracts into the hole of the fixed plate 100; when the lifting mechanism 300 drives the movable plate 210 to move downward, the movable mirror 240 is driven to move downward, the fixed plate 100 is not moved, and the movable posts 260 are retracted into the holes of the housing of the movable mirror 240. The laser light is reflected by the movable mirror 240 in the movable post 260 into the field lens 220, and focused to form a focal point.
Referring to fig. 4 to 6, in the present embodiment, the lifting mechanism 300 includes a lifting plate 312, a linear slide rail 310 and a reinforcing table 320, the linear slide rail 310 is disposed in front of the reinforcing table 320, two sides of the linear slide rail 310 are provided with movable openings, the lifting plate 312 penetrates through the movable openings, two side plates of the lifting plate 312 are exposed, the movable plate 210 is mounted on the two side plates of the lifting plate 312, and the lifting plate 312 can slide up and down in the movable openings to drive the movable plate 210 to move up and down. It is understood that the size of the movable opening may be set according to the size of the focus adjustment distance, and the height of the movable opening in the vertical direction may be 50mm, 60mm, 70mm, 80mm, 90mm, 100mm, etc., which may represent the movable range of the focus. The lifter plate 312 may be a recessed plate, a straight plate, or a circular plate. The middle plate of the lifting plate 312 is arranged in the movable opening, the two side plates can be extended out for fixedly mounting the movable plate 210, when the lifting plate 312 moves up and down, the movable plate 210 is driven to move up and down, and then the field lens 220 is driven to move up and down, so that the focus position can be adjusted. The structure is simple, the driving mode is simple and reliable, and the speed of adjusting the position of the focus is high.
Referring to fig. 2 to 3, in the present embodiment, a galvanometer 230 is disposed on the movable plate 210, and the galvanometer 230 is located between the movable mirror 240 and the field lens 220. The laser beam is refracted by the movable mirror 240 and passes through the galvanometer 230, and forms a focal point on the incident field lens 220 to perform laser processing.
Referring to fig. 2, in the present embodiment, a plurality of fixed mirrors 120 are disposed on the fixed plate 100, and the plurality of fixed mirrors 120 are located between the optical paths of the laser 110 and the movable mirror 240. It is understood that the fixed mirror 120 is not movable, and the number of the fixed mirror 120 may be 2, 3, 4, 5, etc., and is not limited herein. The laser emitted by the laser 110 is reflected by the plurality of fixed reflectors 120, the laser is incident on the movable reflector 240 below the fixed plate 100, and the field lens 220 is focused on the object to be processed to form a focus in the vibrating mirror 230 and the field lens 220, so that the object to be processed is processed by means of high energy at the focus position.
In order to improve the focusing effect, as shown in fig. 2, in this embodiment, a beam expander 130 is disposed on the fixing plate 100, and the beam expander 130 is located between two adjacent fixing reflectors 120. The addition of the beam expander 130 can result in a smaller focused light spot, so that the energy is uniformly dispersed, the energy density reaching the galvanometer 230 and the movable mirror 240 is reduced, and the galvanometer 230, the fixed mirror 120 and the movable mirror 240 are more durable.
Referring to fig. 2 to fig. 3, in the present embodiment, a beam combiner 250 is disposed on the movable plate 210, and the beam combiner 250 is located between the movable reflector 240 and the polarizer 230. It can be understood that the beam combining mirror 250 can combine a plurality of laser beams into visible light for human eyes, and when the focal position is adjusted, the position of the visible light can be rapidly observed, so that whether the focal position is at a proper position of an object to be processed is judged, and the product processing efficiency is further improved.
Referring to fig. 4 to 6, in the embodiment, the movable range of the lifting plate 312 is 0 to 100 mm. The movable range of the lifting plate 312 may be 20mm, 40mm, 60mm, 80mm, 100mm, etc., which are all possible and may be determined according to the range of the required adjustment focus. It can be understood that the movable range of the lifting plate 312 is determined, and the size of the movable opening, the movable range of the movable plate 210, and thus the movable range of the focus are determined. For example: the moving range of the lifting plate 312 is 100mm, i.e. the field lens 220 can move up and down + -50 mm along with the lifting plate 312, i.e. the focus can move up and down + -50 mm.
Referring to fig. 3, the present invention further provides a laser processing apparatus, which includes a laser device assembly, and the specific structure of the laser device assembly refers to the above embodiments, and since the laser processing apparatus adopts all technical solutions of all the above embodiments, at least all beneficial effects brought by the technical solutions of the above embodiments are achieved, and are not repeated herein.
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 technical solutions of the present invention that are made by using the contents of the specification and the drawings or directly/indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (10)
1. A laser assembly, comprising
A fixing plate;
the laser is used for emitting laser and arranged on the fixing plate;
the moving module is connected with the fixed plate and comprises a field lens, and the field lens is arranged on a light path of the laser;
the lifting mechanism is arranged on one surface of the motion module, which is far away from the field lens;
the lifting mechanism drives the motion module to move up and down to drive the field lens to move up and down, so that the focal position of the laser passing through the field lens can be adjusted.
2. The laser assembly of claim 1, wherein the motion module comprises a movable plate, the field lens is disposed on the movable plate, and the movable plate is slidably mounted on the lifting mechanism up and down to drive the field lens to move up and down, so that a focal position formed by the laser passing through the field lens is adjustable.
3. The laser assembly of claim 2, wherein the motion module comprises a movable post and a movable mirror, the movable mirror is fixedly mounted on the movable plate, the movable mirror is located between the laser and the optical path of the field lens, and two ends of the movable post are respectively telescopically connected to the fixed plate and the movable mirror.
4. The laser assembly of claim 3, wherein the lifting mechanism comprises a lifting plate, a linear slide rail and a reinforcing platform, the linear slide rail is disposed in front of the reinforcing platform, two sides of the linear slide rail are provided with movable openings, the lifting plate penetrates through the movable openings and two side plates of the lifting plate are exposed, the movable plate is mounted on the two side plates of the lifting plate, and the lifting plate can slide up and down on the movable openings to drive the movable plate to move up and down.
5. The laser assembly of claim 3, wherein the movable plate has a galvanometer disposed between the movable mirror and the field lens.
6. The laser assembly of claim 3 wherein the fixed plate has a plurality of fixed mirrors disposed thereon, the plurality of fixed mirrors being positioned in the optical path between the laser and the movable mirror.
7. The laser assembly of claim 6, wherein a beam expander is disposed on the fixed plate, and the beam expander is located between two adjacent fixed mirrors.
8. The laser assembly of claim 5, wherein a beam combiner is disposed on the movable plate and between the movable mirror and the galvanometer.
9. The laser assembly of claim 4, wherein the lift plate has a range of motion of 0 to 100 mm.
10. A laser machining apparatus comprising a laser assembly as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122746980.8U CN216966623U (en) | 2021-11-10 | 2021-11-10 | Laser assembly and laser processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122746980.8U CN216966623U (en) | 2021-11-10 | 2021-11-10 | Laser assembly and laser processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216966623U true CN216966623U (en) | 2022-07-15 |
Family
ID=82344583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122746980.8U Active CN216966623U (en) | 2021-11-10 | 2021-11-10 | Laser assembly and laser processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216966623U (en) |
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2021
- 2021-11-10 CN CN202122746980.8U patent/CN216966623U/en active Active
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