CN112683497A - Galvanometer detection and debugging tool - Google Patents
Galvanometer detection and debugging tool Download PDFInfo
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- CN112683497A CN112683497A CN202011559684.0A CN202011559684A CN112683497A CN 112683497 A CN112683497 A CN 112683497A CN 202011559684 A CN202011559684 A CN 202011559684A CN 112683497 A CN112683497 A CN 112683497A
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- sliding table
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Abstract
A galvanometer detection and debugging tool comprises a bottom frame, a laser galvanometer and a reference plate, wherein the bottom frame is provided with a galvanometer XY sliding table and a reference plate sliding table, the galvanometer XY sliding table is installed at the left end above the bottom frame, the laser galvanometer is detachably installed on the galvanometer XY sliding table, the relative position of the laser galvanometer can be adjusted by adjusting the galvanometer XY sliding table, the reference plate sliding table is installed at the right end above the bottom frame, the reference plate is installed on the reference plate sliding table, the laser galvanometer and the reference plate are oppositely arranged, one side of the reference plate facing the laser galvanometer is also provided with a cross line, and at least one of the galvanometer XY sliding table and the reference plate sliding table is movably installed on the bottom frame; the tool precision grade can be adjusted, and compared with the traditional technical scheme, the galvanometer debugging precision and consistency are better; the tool is stable in structure, convenient to move and capable of being conveniently debugged and produced at any position.
Description
Technical Field
The invention relates to the technical field of laser galvanometer equipment, in particular to a galvanometer detection and debugging tool.
Background
The general principle of the laser galvanometer is that a beam of laser irradiates an X lens of an X galvanometer motor from a laser light source and is reflected to a Y lens of a Y galvanometer motor, and the Y lens of the Y motor reflects the laser out. The XY oscillating mirror motor swings to enable the XY mirror to swing and change, namely the angle of the XY mirror for emitting laser is adjusted, and therefore the position of the finally reflected laser is changed in an emitting mode. By this principle, the galvanometer can sweep different light path tracks within a certain range.
The detection and debugging mode of the existing common laser galvanometer product is that the performance of the galvanometer is detected by marking a central cross line and an outer square frame corresponding to the breadth through the galvanometer, and the galvanometer is debugged according to the marking effect of the galvanometer so as to achieve the satisfactory effect. The existing detection and debugging technology for the laser galvanometer product has the following defects:
when the common laser galvanometer is detected and debugged, the error is large, the small error cannot be detected, and the high-precision laser galvanometer is difficult to debug; the consistency of the galvanometers debugged by the common laser galvanometer detection and debugging method is poor, and different galvanometers are installed on a laser marking machine and marking machine parameters need to be debugged again.
Disclosure of Invention
In order to solve the problems, the invention provides a galvanometer detection and debugging tool which can adjust debugging precision, is convenient to detect small errors at high precision and has better consistency. The technical scheme is as follows:
a galvanometer detection and debugging tool comprises a bottom frame, a laser galvanometer and a reference plate, wherein the bottom frame is provided with a galvanometer XY sliding table and a reference plate sliding table, the galvanometer XY sliding table is arranged at the left end above the bottom frame, the laser galvanometer is detachably arranged on the galvanometer XY sliding table, the relative position of the laser galvanometer can be adjusted by adjusting the galvanometer XY sliding table, the reference plate sliding table is arranged at the right end above the bottom frame, the reference plate is arranged on the reference plate sliding table, the laser galvanometer and the reference plate are oppositely arranged, one side of the reference plate facing the laser galvanometer is also provided with a cross line, namely a crossed horizontal line and a vertical line, at least one of the galvanometer XY sliding table and the reference plate sliding table is movably arranged on the bottom frame and can slide along the left and right directions of the bottom frame, and an incident light source matched with the laser galvanometer is detachably arranged on the galvanometer XY sliding table, and a horizontal light source is detachably arranged on the laser galvanometer.
In the present invention, the horizontal line is an intersection of a horizontal plane and a plane of the reference plate, and the vertical line is an intersection of a vertical plane and a plane of the reference plate.
Further, in the present invention, the reference plate may be a flat plate or a curved plate, the reference plate may be vertically disposed or may be obliquely disposed, when the reference plate is the flat plate, the horizontal line and the vertical line are both straight lines, and when the reference plate is the curved plate, the horizontal line and the vertical line are both straight lines, and may also be curved lines or straight lines on the curved surface thereof.
Further, the galvanometer XY sliding table is fixedly installed on the bottom frame, and the reference plate sliding table is movably installed on the bottom frame.
Further, be provided with the slide rail on the bottom frame, be provided with the pulley corresponding with the slide rail on the benchmark board slip table, this pulley cooperatees with the slide rail and realizes that benchmark board slip table slides along the bottom frame.
In a preferred embodiment of the present invention, the bottom frame includes a bracket provided at a left end thereof, and the galvanometer XY stage is fixedly mounted on the bracket.
Alternatively, the galvanometer XY sliding table is movably mounted on the bottom frame, and the reference plate sliding table is fixedly mounted on the bottom frame.
Alternatively, the galvanometer XY sliding table and the reference plate sliding table are movably mounted on the bottom frame.
Among the above-mentioned technical scheme, because at least one in mirror XY slip table and the benchmark board slip table of shaking is movable mounting in bottom frame, thereby it can slide along bottom frame and adjust the relative distance of mirror XY slip table and benchmark board slip table of shaking promptly, through adjusting distance, can realize adjusting different debugging precision. In the present invention, the mode may be a mode in which the laser galvanometer is fixed and the reference plate moves, or a mode in which the reference plate is fixed and the laser galvanometer moves.
Preferably, the galvanometer XY sliding table and the reference plate sliding table are respectively arranged in the middle positions of two ends of the bottom frame.
In a preferred embodiment of the present invention, the reference plate is a flat plate, and the reference plate is perpendicular to the horizontal plane, and the slidable direction of the galvanometer XY slide table or the reference plate slide table movably mounted on the bottom frame is perpendicular to the plane of the reference plate.
Preferably, the intersection position of the horizontal line and the vertical line is located on the vertical axis of the reference plate.
Preferably, the reference plate is further provided with a square frame line, and each edge of the square frame line is parallel to or perpendicularly intersected with the horizontal line.
Furthermore, the light rays emitted by the incident light source and the horizontal light source are visible light. The light emitted from the incident light source and the horizontal light source may be light of any wavelength in visible light, and specifically, blue light, green light or red light may be used.
In a preferred embodiment of the invention, red light is selected for both the incident light source and the horizontal light source.
Furthermore, the lower end of the bottom frame is fixedly connected with a foot cup.
Alternatively, the lower end of the bottom frame is provided with a caster.
Further, the device also comprises a visual camera, wherein the visual camera is used for capturing and tracking the position of a light spot scanned by the laser galvanometer;
alternatively, a four-quadrant light spot detector or a PSD sensor is mounted on the reference plate for capturing the position of the light spot scanned by the tracking laser galvanometer.
The steps of detecting and debugging the galvanometer detecting and debugging tool are as follows:
1. debugging the levelness of the XY sliding table of the calibration galvanometer, and calibrating the verticality of the reference plate relative to the horizontal plane;
2. installing a laser galvanometer and an incident light source on an XY sliding table of the galvanometer, and installing a horizontal light source on a light outlet of a shell of the laser galvanometer;
3. opening a horizontal light source switch, adjusting the XY sliding table of the vibrating mirror, enabling the light of the horizontal light source to be aligned to the center of the scale of the reference plate, namely the intersection point of the horizontal line and the vertical line, and locking the XY sliding table of the vibrating mirror after the adjustment is finished;
4. removing the horizontal light source, and electrifying the laser galvanometer and the incident light source, wherein the laser galvanometer is in an electrified self-locking state;
5. debugging the laser galvanometer to enable incident light source light reflected by the laser galvanometer to coincide with the center of the scale of the reference plate, wherein at the moment, the XY sliding table of the galvanometer is in a locked state, the laser galvanometer and the XY sliding table of the galvanometer keep fixed relative positions, and in the process of debugging the laser galvanometer, a galvanometer motor in the laser galvanometer works and the galvanometer inside the laser galvanometer swings for reflecting light;
6. testing deviation parameters of light spots of light emitted by the laser galvanometer on the reference plate, cross lines and square frame lines, and recording performance parameters of the galvanometer;
7. and replacing the laser galvanometer and repeating the debugging and testing process.
In the steps, the distance between the reference plate and the laser galvanometer can be adjusted by adjusting the positions of the movably-mounted reference plate sliding table or the XY sliding table of the galvanometer, and the longer the distance is, the higher the debugging difficulty is, the higher the debugging precision is and the better the galvanometer consistency is.
Compared with the prior art, the invention has the advantages that:
the galvanometer detection and debugging tool is simple in structure and convenient to debug; the tool precision grade can be adjusted, and compared with the traditional technical scheme, the galvanometer debugging precision and consistency are better; the tool is stable in structure, convenient to move and capable of being conveniently debugged and produced at any position.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic diagram of a reference plate structure according to an embodiment of the present invention, and a cross line and a square frame are disposed on the reference plate.
The reference numbers in the figures illustrate:
1. a bottom frame; 2. a laser galvanometer; 3. a galvanometer XY sliding table; 4. a reference plate sliding table; 5. a support; 6. a reference plate; 7. an incident light source; 8. a horizontal light source.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements.
Please refer to fig. 1, a galvanometer detecting and debugging tool comprises a bottom frame 1, a laser galvanometer 2 and a reference plate 6, wherein the bottom frame 1 is provided with a galvanometer XY sliding table 3 and a reference plate sliding table 4, the left end above the bottom frame 1 comprises a support 5, the galvanometer XY sliding table 3 is fixedly arranged on the support 5, the galvanometer XY sliding table 3 is provided with the laser galvanometer 2, and the relative position of the laser galvanometer 2 can be adjusted by adjusting the galvanometer XY sliding table 3.
The reference plate sliding table 4 is movably arranged at the right end above the bottom frame 1, and the galvanometer XY sliding table 3 and the reference plate sliding table 4 are respectively arranged at the middle positions of two ends of the bottom frame 1.
Specifically, a slide rail is arranged on the bottom frame 1, a pulley corresponding to the slide rail is arranged on the reference plate sliding table 4, and the pulley is matched with the slide rail to realize that the reference plate sliding table 4 slides along the bottom frame 1. Thereby it can slide along the bottom frame and adjust the relative distance of galvanometer XY slip table 3 and benchmark board slip table 4, through adjusting distance, can realize adjusting different debugging precision.
The reference plate 6 is installed on the reference plate sliding table 4, the reference plate 6 is a flat plate, the reference plate 6 is vertical to the horizontal plane, the vertical state of the reference plate 6 needs to be detected and calibrated, and the slidable direction of the vibrating mirror XY sliding table 3 or the reference plate sliding table 4 movably installed on the bottom frame 1 is vertical to the plane where the reference plate 6 is located.
As shown in fig. 2, the side of the reference plate 6 facing the laser galvanometer 2 is further provided with crosshairs, i.e. a horizontal line and a vertical line which vertically intersect with each other, wherein the intersection position of the horizontal line and the vertical line is located on the vertical axis of the reference plate 6. The reference plate 6 is also provided with a square frame line, and each edge of the square frame line is parallel or vertically intersected with the horizontal line.
In this embodiment, in order to facilitate the operation, the mirror XY stage 3 is an electric stage.
In this embodiment, the incidence light source 7 matched with the laser galvanometer 2 is detachably installed on the galvanometer XY sliding table 3, and the horizontal light source 8 is also detachably installed on the laser galvanometer 2.
In this embodiment, the light emitted by the incident light source 7 and the light emitted by the horizontal light source 8 are both visible red light, wherein the incident light source 7 is a vertical red light source, and the horizontal light source 8 is a horizontal red light source.
In this embodiment, casters are provided at the lower end of the bottom frame 1 to facilitate movement.
The steps of detecting and debugging the galvanometer detecting and debugging tool are as follows:
1. debugging the levelness of the XY sliding table 3 of the calibration galvanometer, and calibrating the verticality of the reference plate 6 relative to the horizontal plane;
2. installing a laser galvanometer 2 and a vertical red light source on a galvanometer XY sliding table 3, and installing a horizontal red light source on a shell of the laser galvanometer 2, wherein the installation position of the horizontal red light source is at the position of a light outlet of the laser galvanometer 2;
3. opening a horizontal red light source switch, adjusting the XY sliding table 3 of the vibrating mirror, aligning the light of the horizontal red light source to the center of the scale of the reference plate 6, namely the intersection point of the horizontal line and the vertical line, and locking the XY sliding table 3 of the vibrating mirror after the adjustment is finished;
4. the horizontal red light source is removed, the laser galvanometer 2 and the vertical red light source are electrified, and the laser galvanometer 2 is in an electrified self-locking state at the moment;
5. debugging the laser galvanometer 2 to ensure that the vertical red light source light reflected by the laser galvanometer 2 coincides with the scale center of the reference plate, wherein at the moment, the XY sliding table 3 of the galvanometer is in a locked state, the laser galvanometer 2 and the XY sliding table 3 of the galvanometer keep fixed relative positions, and in the process of debugging the laser galvanometer 2, a galvanometer motor in the laser galvanometer 2 works and the galvanometer inside the laser galvanometer 2 is used for reflecting light to swing;
6. testing deviation parameters of a light spot of light emitted by the laser galvanometer 2 on the reference plate, a cross wire and a square frame wire, and recording performance parameters of the galvanometer;
7. and replacing the laser galvanometer 2 and repeating the debugging and testing process.
In the above steps, the distance between the reference plate 6 and the laser galvanometer 2 can be adjusted by adjusting the position of the movably mounted reference plate sliding table 4 or the galvanometer XY sliding table 3, the distance between the reference plate sliding table 4 and the laser galvanometer 2 corresponds to different precision grades, the longer the distance is, the higher the precision is, the higher the debugging difficulty is, the higher the debugging precision is, and the better the consistency of the laser galvanometer 2 is.
Specifically, the method comprises the following steps:
debugging: a horizontal light source 8 is arranged at the center of a light outlet of the laser galvanometer 2, the XY sliding table 3 of the galvanometer is adjusted to ensure that red light projected by the horizontal light source 8 emitted from the center of the light outlet of the galvanometer on the reference plate 6 coincides with the center of the reference plate 6, and the XY sliding table 3 of the galvanometer is locked to fix the position of the galvanometer (the center of the light outlet of the laser galvanometer 2 coincides with the center of the reference plate 6); and removing the horizontal red light, enabling the red light emitted by the vertical red light source to vertically face upwards, enabling the light beam to coincide with the light inlet of the laser galvanometer 2, and reflecting the light beam by the lens of the XY motor to be emitted from the light outlet of the laser galvanometer 2. And electrifying the XY motor to enable the motor to be self-locked, adjusting the angle of the reflector of the vibrating mirror XY motor, and enabling the projection light point of the light beam reflected by the vertical red light through the vibrating mirror on the reference plate to coincide with the central scale mark of the reference plate 6 (the vertical incident light beam at the center of the light inlet is reflected by the self-locking vibrating mirror and is vertically emitted from the center of the light outlet).
The testing process comprises the following steps: the laser galvanometer 2 after debugging controls the motor to move through software, and a cross line and a square frame are swept on the reference plate 6. If the red light cross line track swept by the laser galvanometer 2 is superposed with the cross line on the reference plate 6, the laser galvanometer 2 is free of abnormality. And adjusting the software parameter setting to enable the laser galvanometer 2 to sweep the square red light track to be overlapped with the square frame line on the reference plate 6, and observing whether the square red light track is horizontal and vertical or not, wherein the right angle at the turning part has no deformation phenomenon. The straighter the red light track is, the closer the turning angle is to 90 degrees vertical, and the better the performance of the laser galvanometer 2 is. The light spot track projected on the reference plate by the light beam reflected by the laser galvanometer 2 is captured by a high-precision height capture visual camera, and the deviation between the light spot motion track and the scale mark on the reference plate is compared through operation and analysis by visual software.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. A galvanometer detection and debugging tool comprises a bottom frame (1), a laser galvanometer (2) and a reference plate (6), and is characterized in that the bottom frame (1) is provided with a galvanometer XY sliding table (3) and a reference plate sliding table (4), wherein the galvanometer XY sliding table (3) is arranged at the left end above the bottom frame (1), the laser galvanometer XY sliding table (3) is detachably provided with the laser galvanometer (2), the relative position of the laser galvanometer (2) can be adjusted by adjusting the galvanometer XY sliding table (3), the reference plate sliding table (4) is arranged at the right end above the bottom frame (1), the reference plate sliding table (4) is provided with the reference plate (6), the laser galvanometer (2) and the reference plate (6) are arranged oppositely, one side of the galvanometer (2) facing the laser is also provided with a cross line, namely, a crossed horizontal line and a vertical line, the horizontal line is a cross line of a horizontal plane and a plane where the reference plate (6) is located, the vertical line is a cross line of a vertical plane and a plane where the reference plate (6) and the reference plate (6) are located, at least one of the vibrating mirror XY sliding table (3) and the reference plate sliding table (4) is movably mounted on the bottom frame (1) and can slide along the left and right directions of the bottom frame (1), an incident light source (7) matched with the laser vibrating mirror (2) is detachably mounted on the vibrating mirror XY sliding table (3), and a horizontal light source (8) is also detachably mounted on the laser vibrating mirror (2).
2. The galvanometer detection and debugging tool of claim 1, characterized in that: the galvanometer XY sliding table (3) is fixedly arranged on the bottom frame (1), and the reference plate sliding table (4) is movably arranged on the bottom frame (1).
3. The galvanometer detection and debugging tool of claim 2, characterized in that: the sliding rail is arranged on the bottom frame (1), a pulley corresponding to the sliding rail is arranged on the reference plate sliding table (4), and the pulley is matched with the sliding rail to realize that the reference plate sliding table (4) slides along the bottom frame (1).
4. The galvanometer detection and debugging tool of claim 2, characterized in that: the bottom frame (1) comprises a support (5) arranged at the left end of the bottom frame, and the galvanometer XY sliding table (3) is fixedly arranged on the support (5).
5. The galvanometer detection and debugging tool of claim 1, characterized in that: the vibrating mirror XY sliding table (3) is movably mounted on the bottom frame (1), and the reference plate sliding table (4) is fixedly mounted on the bottom frame (1).
6. The galvanometer detection and debugging tool of claim 1, characterized in that: and the galvanometer XY sliding table (3) and the reference plate sliding table (4) are movably arranged on the bottom frame (1).
7. The galvanometer detection and debugging tool of claim 1, characterized in that: the vibrating mirror XY sliding table (3) and the reference plate sliding table (4) are respectively arranged in the middle positions of two ends of the bottom frame (1).
8. The galvanometer detecting and debugging tool according to any one of claims 1-7, characterized in that: the reference plate (6) is a plane plate, the reference plate (6) is vertical to the horizontal plane, the slidable direction of the vibrating mirror XY sliding table (3) or the reference plate sliding table (4) movably mounted on the bottom frame (1) is vertical to the plane where the reference plate (6) is located, and the intersection position of the horizontal line and the vertical line is located on the vertical axis of the reference plate (6).
9. The galvanometer detection and debugging tool of claim 8, characterized in that: the reference plate (6) is also provided with a square frame line, and each edge of the square frame line is parallel to or vertically intersected with the horizontal line.
10. The debugging method of the galvanometer detection debugging tool in the application claim 9 is characterized by comprising the following steps:
1. debugging the levelness of the calibration galvanometer XY sliding table (3) and calibrating the verticality of the reference plate (6) relative to the horizontal plane;
2. the laser galvanometer (2) and the incident light source (7) are arranged on the XY sliding table (3) of the galvanometer, and the horizontal light source (8) is arranged on a light outlet of a shell of the laser galvanometer (2);
3. turning on a switch of a horizontal light source (8), adjusting the XY sliding table (3) of the vibrating mirror, enabling light rays of the horizontal light source (8) to be aligned to the center of the scale of the reference plate, namely the intersection point of a horizontal line and a vertical line, and locking the XY sliding table (3) of the vibrating mirror after adjustment is finished;
4. the horizontal light source (8) is removed, the laser galvanometer (2) and the incident light source (7) are electrified, and the laser galvanometer (2) is in an electrified self-locking state at the moment;
5. debugging the laser galvanometer (2) to ensure that the light of an incident light source (7) reflected by the laser galvanometer (2) is superposed with the center of the scale of the reference plate;
6. testing deviation parameters of light spots of light emitted by the laser galvanometer (2) on the reference plate, cross lines and square frame lines, and recording performance parameters of the galvanometer;
7. and (3) replacing the laser galvanometer (2) and repeating the debugging and testing process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011559684.0A CN112683497A (en) | 2020-12-25 | 2020-12-25 | Galvanometer detection and debugging tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011559684.0A CN112683497A (en) | 2020-12-25 | 2020-12-25 | Galvanometer detection and debugging tool |
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| CN112683497A true CN112683497A (en) | 2021-04-20 |
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| CN202011559684.0A Pending CN112683497A (en) | 2020-12-25 | 2020-12-25 | Galvanometer detection and debugging tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023272746A1 (en) * | 2021-07-02 | 2023-01-05 | 华为技术有限公司 | Light source apparatus, projection apparatus, light scanning device, and assembly method therefor |
| CN117346699A (en) * | 2023-12-06 | 2024-01-05 | 深圳市智鼎自动化技术有限公司 | Laser galvanometer testing device and laser galvanometer debugging system |
-
2020
- 2020-12-25 CN CN202011559684.0A patent/CN112683497A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023272746A1 (en) * | 2021-07-02 | 2023-01-05 | 华为技术有限公司 | Light source apparatus, projection apparatus, light scanning device, and assembly method therefor |
| CN117346699A (en) * | 2023-12-06 | 2024-01-05 | 深圳市智鼎自动化技术有限公司 | Laser galvanometer testing device and laser galvanometer debugging system |
| CN117346699B (en) * | 2023-12-06 | 2024-02-02 | 深圳市智鼎自动化技术有限公司 | Laser galvanometer testing device and laser galvanometer debugging system |
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