CN221361662U - Automatic focusing surrounding type laser cleaning device - Google Patents
Automatic focusing surrounding type laser cleaning device Download PDFInfo
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- CN221361662U CN221361662U CN202323202871.5U CN202323202871U CN221361662U CN 221361662 U CN221361662 U CN 221361662U CN 202323202871 U CN202323202871 U CN 202323202871U CN 221361662 U CN221361662 U CN 221361662U
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- 238000004140 cleaning Methods 0.000 title claims abstract description 41
- 230000001681 protective effect Effects 0.000 claims description 12
- 239000002184 metal Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of laser cleaning, and particularly discloses an automatic focusing surrounding type laser cleaning device. The laser cleaning device comprises a variable curvature mirror focusing assembly corresponding to a laser beam outlet, and is characterized in that: the light outlet of the variable curvature mirror focusing assembly is connected with the two-dimensional vibrating mirror through the reflecting mirror A, the light outlet of the two-dimensional vibrating mirror is sequentially connected with the driving assembly and the rotary lens assembly, the driving assembly comprises a driving shaft connected with the rotary lens assembly, the light inlet of the rotary lens assembly, the axial through hole of the driving shaft and the center of the two-dimensional vibrating mirror are positioned on the same straight line, and the light outlet of the rotary lens assembly is arranged at an included angle with the driving shaft. The utility model has the automatic focusing function, allows trial adjustment of the focal length to adapt to different working distances and surface shapes, can keep the best focusing state of the laser beam without manual intervention, and improves the cleaning efficiency and consistency.
Description
Technical Field
The utility model relates to the technical field of laser cleaning, in particular to an automatic focusing surrounding type laser cleaning device.
Background
With the increasing popularization of laser cleaning technology, the cleaning requirements of various special equipment appear in China, and the inner wall cleaning of a metal workpiece is one of the special equipment, and the laser cleaning equipment is required to penetrate into the metal workpiece to perform laser cleaning on the inner wall of the metal workpiece with the whole complex structure.
The laser processing method is characterized in that the processing distance is required to be adjusted during laser processing, so that the focus of the laser beam is positioned on the surface of a processed workpiece, the existing laser cleaning equipment is generally used for cleaning a plane or a curved surface, and if the existing laser cleaning equipment is used for cleaning the inner wall of a metal workpiece with a complex structure, the laser cleaning equipment is required to be continuously moved or laser cleaning parameters are required to be adjusted, the operation is complex, and the cleaning efficiency is low.
Disclosure of Invention
The utility model provides an automatic focusing encircling type laser cleaning device, which can automatically adjust the focus of a laser beam to be positioned on the surface of a processed workpiece when a laser cleaning head automatically rotates to clean the inside of a metal workpiece with a complex structure, and does not need to manually move laser cleaning equipment or adjust laser cleaning parameters.
The utility model is realized by the following technical scheme:
An automatic focusing, encircling laser cleaning device, comprising a variable curvature mirror focusing assembly corresponding to a laser beam outlet, characterized in that: the light outlet of the variable curvature mirror focusing assembly is connected with the two-dimensional vibrating mirror through the reflecting mirror A, the light outlet of the two-dimensional vibrating mirror is sequentially connected with the driving assembly and the rotary lens assembly, the driving assembly comprises a driving shaft connected with the rotary lens assembly, the light inlet of the rotary lens assembly, the axial through hole of the driving shaft and the center of the two-dimensional vibrating mirror are positioned on the same straight line, and the light outlet of the rotary lens assembly and the driving shaft are arranged in an included angle; and a laser ranging sensor is arranged on the side wall of the light outlet of the rotary lens assembly, and the laser ranging sensor and the variable curvature mirror focusing assembly are respectively connected with a control system.
According to the utility model, through the arrangement of the rotary lens assembly, the variable curvature mirror focusing assembly, the two-dimensional vibrating mirror and the driving assembly, the distance measurement of the laser ranging sensor in the rotary cleaning process is realized, and the variable curvature mirror is controlled to adjust the focal length, so that the workpiece is automatically adjusted to clean under different distances, the focusing distance is not required to be adjusted by an operator at any time, and the efficiency and the cleaning effect are greatly improved.
The more preferable technical scheme of the utility model is as follows:
the variable curvature mirror focusing assembly comprises a variable curvature mirror fixed on a mirror frame, and the variable curvature mirror is installed and erected.
The driving assembly comprises a hollow torque motor, a motor protection shell is wrapped outside the hollow torque motor, an axial through hole is formed in a driving shaft of the hollow torque motor, and the motor protection shell, the motor main body and the axial through hole of the driving shaft are arranged, so that barrier-free transmission of laser is realized, and stable power is provided for laser cleaning.
The rotary lens assembly comprises a reflector B arranged in the reflector cavity, a clamping block for fixing a driving shaft is arranged at the light inlet of the rotary lens assembly, the light inlet of the rotary lens assembly is arranged on the incident light line of the reflector B, the light outlet of the rotary lens assembly is arranged on the protective cover of the reflector cavity, and the light outlet is positioned on the reflecting light line of the reflector B; the mirror cavity is used as a shell structure of the rotary lens assembly, and the inside of the mirror cavity is fixed by devices such as cavity walls, clamping blocks and the like, so that the conduction of a laser path is facilitated.
The further preferable technical scheme is that a reflector B of the rotary lens assembly is fixed on a protective shell, a focusing field lens and a protective lens are sequentially installed on a reflecting light line of the reflector B, the focusing field lens is erected in a lens cavity through a clamping block, the protective lens is fixed on a protective cover of the lens cavity, and the protective cover is an outlet of the reflecting light line and is convenient to erect and install.
The two-dimensional vibrating mirror comprises an X-axis vibrating mirror and a Y-axis vibrating mirror, wherein reflection light lines of the X-axis vibrating mirror and the Y-axis vibrating mirror are overlapped, one side of the X-axis vibrating mirror is connected with an X-axis vibrating mirror motor, and one side of the Y-axis vibrating mirror is connected with a Y-axis vibrating mirror motor.
The utility model has the automatic focusing function, allows trial adjustment of the focal length to adapt to different working distances and surface shapes, can keep the best focusing state of the laser beam without manual intervention, and improves the cleaning efficiency and consistency; meanwhile, the rotatable design of the device ensures that laser beams can irradiate the surface of the workpiece along different directions or angles, is suitable for work with different shapes and angles, and improves the cleaning flexibility and coverage range.
The high precision and stability of the head design of the device of the utility model ensures that accurate laser focusing is exhibited on a variety of surfaces, thereby ensuring cleaning quality and consistency and reducing human error.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a schematic structural diagram of a rotary lens assembly according to the present utility model.
In the figure, 1 laser beam, 2 variable curvature mirrors, 3 mirror frames, 4 mirror A, 5X axis vibrating mirror motor, 6X axis vibrating mirror, 7Y axis vibrating mirror motor, 8Y vibrating mirror, 9 hollow moment motor, 10 motor protection shell, 11 driving shaft, 12 mirror B,13 focusing scene, 14 protection mirror, 15 laser ranging sensor, 16 mirror cavity, 17 protection shell and 18 clamping block.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
In the present utility model, the terms "coupled," "secured," and the like are to be construed broadly, as well as to include, for example, fixed, removable, or integral therewith, unless otherwise expressly specified and limited thereto; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
As shown in fig. 1-2, the embodiment includes a variable curvature mirror focusing assembly corresponding to an outlet of a laser beam 1, a light outlet of the variable curvature mirror focusing assembly is connected with a two-dimensional vibrating mirror through a reflecting mirror A4, a light outlet of the two-dimensional vibrating mirror is sequentially connected with a driving assembly and a rotary lens assembly, the driving assembly includes a driving shaft 11 connected with the rotary lens assembly, a light inlet of the rotary lens assembly, an axial through hole of the driving shaft 11 and the center of the two-dimensional vibrating mirror are positioned on the same straight line, and the light outlet of the rotary lens assembly and the driving shaft 11 form a certain included angle; and a laser ranging sensor 15 is arranged on the side wall of the light outlet of the rotary lens assembly, and the laser ranging sensor 15 and the variable curvature mirror focusing assembly are respectively connected with a control system.
The variable curvature mirror focusing assembly comprises a variable curvature mirror 2 secured to a frame 3. The driving assembly comprises a hollow torque motor 9, a motor protection shell 10 is wrapped outside the hollow torque motor 9, and an axial through hole is formed in a driving shaft 11 of the hollow torque motor 10; the rotary lens assembly comprises a reflector B12 arranged in the reflector cavity 16, a clamping block 18 for fixing the driving shaft 11 is arranged at the light inlet of the rotary lens assembly, the light inlet of the rotary lens assembly is arranged on the incident light path of the reflector B12, the light outlet of the rotary lens assembly is arranged on the protective cover of the reflector cavity 16, and the light outlet is positioned on the reflecting light path of the reflector B12; the reflector B12 of the rotary lens assembly is fixed on the protective shell 17, the focusing field lens 13 and the protective lens 14 are sequentially arranged on the reflecting light path of the reflector B12, the focusing field lens 13 is erected in the lens cavity 16 through the clamping block 18, and the protective lens 14 is fixed on the protective cover. The two-dimensional vibrating mirror comprises an X-axis vibrating mirror 6 and a Y-axis vibrating mirror 8, wherein reflection light lines of the X-axis vibrating mirror 6 and the Y-axis vibrating mirror 8 are overlapped, one side of the X-axis vibrating mirror 6 is connected with an X-axis vibrating mirror motor 5, and one side of the Y-axis vibrating mirror 8 is connected with a Y-axis vibrating mirror motor 7.
The working principle of the utility model is as follows: the laser beam 1, the center of the variable curvature mirror 2 and the center of the reflecting mirror A4 are on the same straight line, the laser beam 1 is transmitted to the variable curvature mirror 2 for focusing, the laser beam is reflected to the two-dimensional vibrating mirror through the reflecting mirror A4, the X vibrating mirror 6 and the Y vibrating mirror 8 in the two-dimensional vibrating mirror swing to adjust the deflection of the laser beam 1, the adjusted laser beam 1 passes through the hollow torque motor 9 and the driving shaft 11 to be transmitted to the reflecting mirror B12 in the mirror cavity 16, and the laser beam 1 is reflected to the focusing field mirror 13 and reaches the cleaning surface through the protecting mirror 14.
The hollow torque motor 9 rotates to drive the driving shaft 11 to control the rotating lens assembly to axially rotate, a distance signal between the laser ranging sensor 15 on the rotating lens assembly and the cleaning piece is transmitted to the control system in real time, and the control system sends an instruction to adjust the voltage of the variable curvature mirror 2 according to information fed back by the laser ranging sensor 15, and the curvature of the variable curvature mirror 3 is changed along with the change of the voltage so as to adjust the laser focal length.
When the inner wall of a complex metal workpiece is cleaned, the hollow torque motor 9 controls the rotary lens assembly to circumferentially rotate, so that the laser beam 1 is dispersed on the circumference of the inner wall of the workpiece, along with the change of the cleaning distance, a distance signal measured by the laser ranging sensor 15 is transmitted to the control system in real time, and the control system sends an instruction to adjust the curvature of the variable curvature mirror 2 to realize the rotary cleaning automatic focusing process.
The embodiments described above are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Claims (6)
1. An automatic focusing, encircling laser cleaning device, comprising a variable curvature mirror focusing assembly corresponding to the outlet of a laser beam (1), characterized in that: the light outlet of the variable curvature mirror focusing assembly is connected with the two-dimensional vibrating mirror through the reflecting mirror A (4), the light outlet of the two-dimensional vibrating mirror is sequentially connected with the driving assembly and the rotary lens assembly, the driving assembly comprises a driving shaft (11) connected with the rotary lens assembly, the light inlet of the rotary lens assembly, an axial through hole of the driving shaft (11) and the center of the two-dimensional vibrating mirror are positioned on the same straight line, and the light outlet of the rotary lens assembly and the driving shaft (11) are arranged in an included angle; and a laser ranging sensor (15) is arranged on the side wall of the light outlet of the rotary lens assembly, and the laser ranging sensor (15) and the variable curvature mirror focusing assembly are respectively connected with a control system.
2. The auto-focusing, wraparound laser cleaning device of claim 1, wherein: the variable curvature mirror focusing assembly comprises a variable curvature mirror (2) fixed on a mirror holder (3).
3. The auto-focusing, wraparound laser cleaning device of claim 1, wherein: the driving assembly comprises a hollow torque motor (9), a motor protection shell (10) is wrapped outside the hollow torque motor (9), and an axial through hole is formed in a driving shaft (11) of the hollow torque motor (9).
4. The auto-focusing, wraparound laser cleaning device of claim 1, wherein: the rotary lens assembly comprises a reflector B (12) arranged in a reflector cavity (16), a clamping block (18) used for fixing a driving shaft (11) is arranged at a light inlet of the rotary lens assembly, a light inlet of the rotary lens assembly is arranged on an incident light ray path of the reflector B (12), a light outlet of the rotary lens assembly is arranged on a protective cover of the reflector cavity (16), and the light outlet is positioned on a reflecting light ray path of the reflector B (12).
5. The auto-focusing, wraparound laser cleaning device of claim 1, wherein: the two-dimensional vibrating mirror comprises an X-axis vibrating mirror (6) and a Y-axis vibrating mirror (8) which are overlapped in reflection light line, one side of the X-axis vibrating mirror (6) is connected with an X-axis vibrating mirror motor (5), and one side of the Y-axis vibrating mirror (8) is connected with a Y-axis vibrating mirror motor (7).
6. The auto-focusing, wraparound laser cleaning device of claim 4, wherein: the reflection mirror B (12) of the rotary lens assembly is fixed on the protection shell (17), the focusing field lens (13) and the protection mirror (14) are sequentially arranged on the reflection light path of the reflection mirror B (12), the focusing field lens (13) is erected in the lens cavity (16) through the clamping block (18), and the protection mirror (14) is fixed on the protection cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323202871.5U CN221361662U (en) | 2023-11-27 | 2023-11-27 | Automatic focusing surrounding type laser cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323202871.5U CN221361662U (en) | 2023-11-27 | 2023-11-27 | Automatic focusing surrounding type laser cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221361662U true CN221361662U (en) | 2024-07-19 |
Family
ID=91874699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323202871.5U Active CN221361662U (en) | 2023-11-27 | 2023-11-27 | Automatic focusing surrounding type laser cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221361662U (en) |
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2023
- 2023-11-27 CN CN202323202871.5U patent/CN221361662U/en active Active
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