CN218211871U - Mirror motor reflection lens vertical angle detection device shakes - Google Patents
Mirror motor reflection lens vertical angle detection device shakes Download PDFInfo
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- CN218211871U CN218211871U CN202221624241.XU CN202221624241U CN218211871U CN 218211871 U CN218211871 U CN 218211871U CN 202221624241 U CN202221624241 U CN 202221624241U CN 218211871 U CN218211871 U CN 218211871U
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Abstract
The utility model discloses a mirror motor reflection lens vertical angle detection device shakes relates to the scanning mirror field that shakes, the on-line screen storage device comprises a base, be provided with coaxial calibration fixed plate on the base, be provided with first through-hole on the coaxial calibration fixed plate, one side of coaxial calibration fixed plate is provided with the laser autocollimator subassembly, one side that laser autocollimator subassembly was kept away from to coaxial calibration fixed plate is provided with the motor fixing base, laser beam in the laser autocollimator subassembly passes coaxial calibration fixed plate and motor fixing base, mirror motor reflection lens vertical angle detection device shakes still includes the sight subassembly. The detection device is simple in structure, simple to assemble, low in cost, simple and visual in use and operation process, convenient and fast in tool checking, capable of rapidly detecting optical characteristic quality of the vibrating mirror motor, capable of rapidly and quantitatively detecting the eccentric angle of the reflecting lens of the vibrating mirror motor, and capable of rapidly detecting the angle control error of the vibrating mirror motor.
Description
Technical Field
The utility model relates to a scanning mirror field that shakes, in particular to mirror motor reflection lens vertical angle detection device shakes.
Background
Along with the development of science and technology and social progress, the application field of the scanning galvanometer is expanded widely, the scanning galvanometer in the market at present is mainly applied to the fields of marking, rapid prototyping (additive manufacturing), 3D projection and the like, so that how to improve higher positioning accuracy and processing speed is a challenging task for a scanning galvanometer manufacturer, and the quality of a core part galvanometer motor in a scanning galvanometer product is a key factor for determining the positioning accuracy and the processing speed;
one of the key factors of the performance difference between the domestic scanning galvanometer and the imported foreign brand scanning galvanometer lies in the manufacturing standard of the vertical angle of the reflecting mirror of the galvanometer motor.
The traditional optical and structural measuring instrument has the disadvantages of high cost, large equipment volume, complex operation and complex verification process.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide a can short-term test shake mirror motor optical property quality, quick quantification shake mirror motor mirror piece eccentric angle, short-term test shake mirror motor angle control error shake mirror motor mirror piece vertical angle detection device.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a mirror motor reflection lens vertical angle detection device shakes, the on-line screen storage device comprises a base, be provided with coaxial calibration fixed plate on the base, be provided with first through-hole on the coaxial calibration fixed plate, one side of coaxial calibration fixed plate is provided with laser autocollimator subassembly, one side that laser autocollimator subassembly was kept away from to coaxial calibration fixed plate is provided with the motor fixing base, laser beam in the laser autocollimator subassembly passes coaxial calibration fixed plate and motor fixing base, mirror motor reflection lens vertical angle detection device shakes still includes the sight subassembly.
Further, the method comprises the following steps: the laser autocollimator subassembly includes the autocollimator frame, be provided with the laser instrument in the autocollimator frame, one side that the laser instrument is close to coaxial calibration fixed plate is provided with the half mirror that reflects, the half mirror that reflects slope sets up, the top of half mirror that reflects is provided with the focusing mirror, the top that lies in the focusing mirror on the autocollimator frame is provided with the second through-hole, be provided with the accurate starboard of standard scale in the second through-hole, pass focusing mirror and the accurate starboard of standard scale through the half mirror that reflects laser beam that reflects, one side that the autocollimator frame is close to coaxial calibration fixed plate is provided with the third through-hole.
Further, the method comprises the following steps: the semi-reflecting and semi-transparent mirror is arranged at an angle of 45 degrees with laser emitted by the laser, and the semi-reflecting and semi-transparent mirror is obliquely arranged in a direction away from the coaxial calibration fixing plate.
Further, the method comprises the following steps: and a fourth through hole and a fifth through hole are formed in the motor fixing seat.
Further, the method comprises the following steps: the sight assembly comprises a first sight arranged in the third through hole, a second sight arranged in the fourth through hole and a third sight arranged in the fifth through hole, and the first sight, the second sight and the third sight are coaxial.
Further, the method comprises the following steps: and the standard scale star alignment plate is provided with a star alignment plate X shaft and a star alignment plate Y shaft.
Further, the method comprises the following steps: the motor fixing seat is provided with a motor fixing hole for placing a motor, and one side of the motor fixing hole is provided with a pressing sheet plate for fixing the motor.
The beneficial effects of the utility model are that, this application simple structure, the assembly is simple, and is with low costs, uses operation process simply directly perceived, and the instrument check-up is convenient, can short-term test shake mirror motor optical characteristic quality, can short-term test shake mirror motor reflection lens eccentric angle, can short-term test shake mirror motor angle control error.
Drawings
Fig. 1 is a schematic view of an overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of a standard scale quasar disc;
in the figure: 1. a base; 2. a coaxial calibration fixing plate; 3. a motor fixing seat; 4. a laser autocollimator module; 5. a pressure plate; 6. a laser; 7. a laser beam; 8. a half-reflecting and half-transmitting mirror; 9. a galvanometer motor; 10. a first sight bead; 11. a second sight bead; 12. a third sight bead; 13. a galvanometer motor mirror; 14. a focusing mirror; 15. a standard scale starboard; 16. a quasi-stardisc X-axis; 17. a quasi-star disk Y axis; 18. an autocollimator frame.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically 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 invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the present embodiment provides a device for detecting a vertical angle of a mirror reflector of a galvanometer motor, where the device for detecting a vertical angle of a mirror reflector of a galvanometer motor includes a base 1, a coaxial calibration fixing plate 2 is disposed on the base 1, and a first through hole is disposed on the coaxial calibration fixing plate 2 for a laser beam 7 to pass through. A laser autocollimator assembly is arranged on one side of the coaxial calibration fixing plate 2 and used for detecting the position difference between the reflected laser beam 7 and the original laser beam 7, and the vertical eccentric angle C of the galvanometer motor reflector 13 can be calculated by measuring the position error distance L between the focused spot of the laser beam 7 and the central point of the laser autocollimator assembly, and how the vertical eccentric angle C is calculated is shown in the following. By measuring the vertical distance h between the focal spot center of the laser beam 7 and the Y axis of the laser autocollimator assembly, the actual deflection angle t of the galvanometer motor 9 can be calculated, and how to calculate the actual deflection angle of the galvanometer motor is shown in the following. One side that laser autocollimator subassembly was kept away from to coaxial calibration fixed plate 2 is provided with motor fixing base 3, motor fixing base 3 is used for the fixed mirror motor that shakes, laser beam 7 in the laser autocollimator subassembly passes coaxial calibration fixed plate 2 and motor fixing base 3, mirror motor speculum vertical angle detection device shakes still includes the sight subassembly, the sight subassembly is used for adjusting laser beam 7 into the horizontality before detecting mirror motor 9 shakes for laser beam 7 is perpendicular with mirror motor speculum 13 that shakes. The sight assembly is removed after the laser beam 7 is adjusted to a level condition.
On the basis, the laser autocollimator subassembly includes autocollimator frame 18, be provided with laser instrument 6 in the autocollimator frame 18, laser instrument 6 is used for sending laser beam 7, one side that laser instrument 6 is close to coaxial calibration fixed plate 2 is provided with the half reflection and half transparent mirror 8, the slope of half reflection and half transparent mirror 8 sets up, half reflection and half transparent mirror 8 can make laser beam 7 pass through also can refract laser beam 7, the top of half reflection and half transparent mirror 8 is provided with focusing mirror 14, uses focusing mirror 14 to be convenient for observe laser beam 7 focus facula. A second through hole is formed in the autocollimator frame 18 above the focusing mirror 14, and a standard scale starboard 15 is arranged in the second through hole.
The laser 6 emits a laser beam 7, the laser beam 7 passes through the semi-reflecting and semi-transparent mirror 8, the first sight 10 and the second sight 11 and is emitted to the vibrating mirror motor reflector 13, the laser beam 7 is reflected at the vibrating mirror motor reflector 13 and passes through the second sight 11 and the first sight 10, then is reflected by the semi-reflecting and semi-transparent mirror 8, and after being reflected, the laser beam passes through the focusing mirror 14 and forms a focusing spot on the standard scale star plate 15. By measuring the position error distance L between the focused light spot of the laser beam 7 and the central point of the standard scale starboard 15, the vertical eccentric angle C of the galvanometer motor reflector 13 can be calculated. When the galvanometer motor 9 is driven to rotate by a certain angle r, the actual deflection angle t = arctan (h/b) of the galvanometer motor 9 can be calculated by measuring the vertical distance h between the central point of the focused light spot of the laser beam 7 and the Y axis 17 of the starboard, and the control error of the galvanometer motor 9 can be obtained by comparing the numerical difference of r and t. A third through hole is arranged at one side of the autocollimator frame 18 close to the coaxial calibration fixing plate 2.
On the basis, the half reflection and half transmission mirror 8 is 45 degrees angle settings with the laser that the laser instrument 6 sent, half reflection and half transmission mirror 8 sets up to keeping away from the slope of the direction of coaxial calibration fixed plate 2 for horizontal laser beam 7 refracts the back and through focusing mirror 14, can become the focus facula on standard scale accurate star 15.
On the basis, a fourth through hole and a fifth through hole are formed in the motor fixing seat, the fourth through hole is used for placing the second sight bead 11, and the fifth through hole is used for placing the third sight bead 12.
On the basis, the sight assembly comprises a first sight 10 arranged in a third through hole, a second sight 11 arranged in a fourth through hole and a third sight 12 arranged in a fifth through hole, wherein the first sight 10, the second sight 11 and the third sight 12 are coaxial, and the centers of the through holes are kept coaxial and on the same horizontal plane by adjusting the position of the motor fixing seat 3 before the galvanometer motor 9 is detected. After the adjustment is completed, the first sight bead 10, the second sight bead 11 and the third sight bead 12 are removed.
On the basis, the standard scale starboard 15 is provided with a starboard X shaft 16 and a starboard Y shaft 17, and the vertical eccentric angle C of the galvanometer motor reflector 13 can be calculated by measuring the position error distance L between the focused laser beam 7 and the central point of the standard scale starboard 15 on the starboard X shaft 16. When the galvanometer motor 9 is driven to rotate by a certain angle r, the actual deflection angle t = arctan (h/b) of the galvanometer motor 9 can be calculated by measuring the vertical distance h between the center point of the focused light spot of the laser beam 7 and the Y axis 17 of the quasi-star disk, and the control error of the galvanometer motor 9 can be obtained by comparing the numerical difference between r and t.
On the basis, a motor fixing hole for placing a motor is formed in the motor fixing seat 3, a pressing plate 5 for fixing the motor is arranged on one side of the motor fixing hole, and the pressing plate 5 is used for pressing the mirror vibrating motor 9, so that the mirror vibrating motor 9 is located at a specified position and at a specified angle, and detection is more accurate.
The working principle is as follows:
the coaxial calibration fixing plate 2 is positioned above the base 1 and fixed on the right side of the center, the motor fixing seat 3 is positioned above the base 1 and fixed on the left side, the motor fixing seat 3 is adjusted to enable the second sight bead 11, the third sight bead 12 and the first sight bead 10 to keep the centers of the via holes coaxial and on the same horizontal plane, the laser autocollimator assembly 4 is positioned above the base 1 and fixed on the right side, the low-power laser 6 is positioned on the rightmost side inside the laser autocollimator assembly 4, the semi-reflecting and semi-transmitting mirror 8 is positioned inside the laser autocollimator assembly 4 and on the left side of the low-power laser 6, the laser beam 7 emitted by the low-power laser 6 passes through the center of the semi-reflecting and semi-transmitting mirror 8, the upper end of the mirror surface of the semi-reflecting and semi-transmitting mirror 8 inclines towards the right side to form an included angle of 45 degrees with the laser beam 7, and the laser beam 7 passes through the first sight bead 10 and the second sight bead 11 and keeps the centers coaxial, the vibrating mirror motor 9 to be detected is placed in an assembly hole above the motor fixing seat 3 and is fixed by the aid of the pressing plate 5, the vibrating mirror motor reflector 13 is located below the vibrating mirror motor 9 to be detected in the vertical direction to the center, the standard scale star plate 15 is located at the top of the day side of the laser autocollimator assembly 4, the focusing mirror 14 is located inside the laser autocollimator assembly 4 and is located between the semi-reflecting semi-transparent mirror 8 and the standard scale star plate 15, the focusing mirror 14 and the standard scale star plate 15 are coaxial with the central point of the semi-reflecting semi-transparent mirror 8 in the vertical direction, the focusing mirror 14 and the standard scale star plate 15 are vertically and downwards observed from the upper side of the laser autocollimator assembly 4, the star plate X-axis 16 is perpendicular to the laser beam 7 emitted by the low-power laser 6, the star plate Y-axis 17 is vertically crossed and symmetrical with the center of the quasi-star plate X-axis 16, the quasi-star plate Y-axis 17 and the quasi-star plate X-axis 16 are subdivided by the minimum scale a, and the minimum scale a is referred to be 1mm distance. The distance b between the reflecting surface of the reflector 13 of the galvanometer motor and the central point of the semi-reflecting and semi-permeable mirror 8 is kept fixed, the distance b refers to 600mm, the rotation angle of the galvanometer motor 9 to be detected is adjusted, the laser beam 7 is reflected by the reflector 13 of the galvanometer motor and refracted by the semi-reflecting and semi-permeable mirror 8, a light spot focused and projected on a standard scale starboard 15 through the focusing mirror 14 is superposed with an X-axis 16 of the starboard, the vertical eccentric angle C = arctan (L/b) of the reflector 13 can be calculated by measuring the position error distance L between the focused light spot of the laser beam 7 and the central point of the standard scale starboard 15, the eccentric angle C is 0 when L is 0, namely the reflector 13 is standard vertical, when the galvanometer motor 9 is driven to rotate by a certain angle r in a same way, the actual eccentric angle t = arctan (h/b) of the galvanometer motor 9 can be calculated by measuring the vertical distance h between the central point of the focused light spot of the laser beam 7 and the X-axis 16 of the starboard, and the numerical difference between the r and the t can be obtained by comparing the numerical difference between the r and the t.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the above embodiments is to let the person skilled in the art understand the contents of the present invention and implement the present invention, which can not limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (7)
1. The utility model provides a mirror motor mirror piece vertical angle detection device shakes, includes base (1), its characterized in that: be provided with coaxial calibration fixed plate (2) on base (1), be provided with first through-hole on coaxial calibration fixed plate (2), one side of coaxial calibration fixed plate (2) is provided with the laser autocollimator subassembly, one side that the laser autocollimator subassembly was kept away from in coaxial calibration fixed plate (2) is provided with motor fixing base (3), laser beam (7) in the laser autocollimator subassembly pass coaxial calibration fixed plate (2) and motor fixing base (3), mirror motor reflection lens vertical angle detection device shakes still includes the sight subassembly.
2. The device for detecting the vertical angle of the mirror plate of the galvanometer motor according to claim 1, characterized in that: the laser autocollimator subassembly includes autocollimator frame (18), be provided with laser instrument (6) in autocollimator frame (18), one side that laser instrument (6) are close to coaxial calibration fixed plate (2) is provided with half reflection translucent mirror (8), half reflection translucent mirror (8) slope sets up, the top of half reflection translucent mirror (8) is provided with focusing mirror (14), the top that lies in focusing mirror (14) on autocollimator frame (18) is provided with the second through-hole, be provided with standard scale quasar (15) in the second through-hole, laser beam (7) through half reflection translucent mirror (8) reflection pass focusing mirror (14) and standard scale quasar (15), one side that autocollimator frame (18) are close to coaxial calibration fixed plate (2) is provided with the third through-hole.
3. The apparatus for detecting the vertical angle of the mirror plate of the galvanometer motor of claim 2, wherein: the semi-reflecting and semi-transparent mirror (8) is arranged at an angle of 45 degrees with laser emitted by the laser (6), and the semi-reflecting and semi-transparent mirror (8) is obliquely arranged in the direction away from the coaxial calibration fixing plate (2).
4. The device for detecting the vertical angle of the mirror plate of the galvanometer motor according to claim 2, characterized in that: and a fourth through hole and a fifth through hole are formed in the motor fixing seat.
5. The device for detecting the vertical angle of the mirror plate of the galvanometer motor according to claim 3, characterized in that: the sight assembly comprises a first sight (10) arranged in a third through hole, a second sight (11) arranged in a fourth through hole and a third sight (12) arranged in a fifth through hole, and the first sight (10), the second sight (11) and the third sight (12) are coaxial.
6. The apparatus for detecting the vertical angle of the mirror plate of the galvanometer motor of claim 2, wherein: and a quasi star disk X shaft (16) and a quasi star disk Y shaft (17) are arranged on the standard scale quasi star disk (15).
7. The device for detecting the vertical angle of the mirror plate of the galvanometer motor according to claim 1, characterized in that: the motor fixing seat (3) is provided with a motor fixing hole for placing a motor, and one side of the motor fixing hole is provided with a pressing plate (5) for fixing the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221624241.XU CN218211871U (en) | 2022-06-27 | 2022-06-27 | Mirror motor reflection lens vertical angle detection device shakes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221624241.XU CN218211871U (en) | 2022-06-27 | 2022-06-27 | Mirror motor reflection lens vertical angle detection device shakes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218211871U true CN218211871U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221624241.XU Active CN218211871U (en) | 2022-06-27 | 2022-06-27 | Mirror motor reflection lens vertical angle detection device shakes |
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| Country | Link |
|---|---|
| CN (1) | CN218211871U (en) |
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- 2022-06-27 CN CN202221624241.XU patent/CN218211871U/en active Active
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