CN219736282U - Binocular structured light measuring device - Google Patents
Binocular structured light measuring device Download PDFInfo
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- CN219736282U CN219736282U CN202320652642.4U CN202320652642U CN219736282U CN 219736282 U CN219736282 U CN 219736282U CN 202320652642 U CN202320652642 U CN 202320652642U CN 219736282 U CN219736282 U CN 219736282U
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- structured light
- light measuring
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- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 238000003384 imaging method Methods 0.000 claims abstract description 24
- 239000013307 optical fiber Substances 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 abstract description 13
- 230000033001 locomotion Effects 0.000 abstract description 11
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004891 communication Methods 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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Abstract
The utility model discloses a binocular structured light measuring device, which comprises a workbench, an optical fiber sensor sensing mechanism, a driving mechanism, a sliding guide rail mechanism and a projection imaging mechanism, wherein the optical fiber sensor sensing mechanism is arranged on the workbench; the workbench is used for supporting the measuring device and is magnetically connected with the sliding guide rail mechanism; the optical fiber sensor sensing mechanism is used for sensing the existence state of the detected object, is convenient for automatic detection, improves the measurement efficiency and is intelligent to operate; the driving mechanism is used for driving the projection imaging mechanism to stably perform horizontal rotation on the sliding guide rail mechanism, the rotation angle is adjustable, and the driving mechanism is used for driving the screw rod to perform lifting motion in the vertical direction, so that the sliding guide rail mechanism and the projection imaging mechanism perform vertical motion; the sliding guide rail mechanism is matched with the gear transmission module to enable the projection imaging mechanism to do fixed-angle horizontal rotation movement; the projection imaging mechanism is used for projecting structured light and shooting the object to be measured. Based on the binocular structured light measuring device, the angle dynamic measurement of the measured object can be realized, the automatic searching of characteristic points and the automatic splicing measurement of point clouds are realized, and the measuring efficiency and the measuring precision are improved.
Description
Technical Field
The utility model relates to the technical field of measurement, in particular to a binocular structured light measuring device.
Background
The machine vision is widely applied to the fields of semiconductors, new energy sources, automobiles and the like, and is an effective means for realizing non-contact measurement of the surface characteristics of complex objects. In recent years, machine vision has been further developed on the basis of traditional optics, for example, by combining structured light and machine vision, not only is the capability of measuring independent vision provided, but also better physical characterization capability and measurement accuracy can be obtained. Therefore, the method becomes one of key means for high-precision nondestructive measurement of complex ultra-precise workpieces.
The binocular structured light is added with structured light projection based on the traditional binocular principle, so that the surface of an object has specific textures, and the binocular structured light has the characteristic of high precision. The binocular structured light technology can measure the three-dimensional size of the object surface and is used for obtaining a high-precision three-dimensional point cloud model of the object. The existing structured light measurement system can only realize the measurement of the appearance of an object by means of single-point online measurement and multi-position point cloud offline splicing.
In the use, in order to obtain the complete three-dimensional point cloud model of object, shoot the object usually from different angles, because manual shooting can make the central point change, and shoot pivoted angle at every turn unknown, need look for the characteristic point of object and splice to the point cloud, especially to the ball object that every face characteristic is almost the same, look for the characteristic point comparatively loaded down with trivial details, the precision also is difficult to obtain the guarantee, the device that an angle dynamic is measurable is needed urgently, realizes the automatic measuring effect of searching and the automatic concatenation of point cloud of characteristic point.
Disclosure of Invention
The utility model aims at: in order to solve the problems existing in the prior art, the utility model provides a binocular structured light measuring device;
in order to achieve the above purpose, the present utility model provides the following technical solutions: a binocular structured light measuring device comprises a workbench, an optical fiber sensor sensing mechanism, a driving mechanism, a sliding guide rail mechanism and a projection imaging mechanism;
the workbench comprises a supporting bottom plate and a vertical bracket, and the vertical bracket is rigidly connected with one side of the edge of the supporting bottom plate;
the optical fiber sensor sensing mechanism comprises two optical fiber sensors and is used for sensing whether an object to be measured exists or not, and the optical fiber sensors are oppositely arranged at two sides of the central line of the supporting bottom plate and are rigidly connected with the supporting bottom plate;
the vertical support is magnetically connected with the sliding guide rail mechanism;
the driving mechanism comprises a gear transmission module and a second motor lifting module;
the gear transmission module comprises a first motor and a driving wheel, the first motor is rigidly connected with one side of the guide rail mounting plate, and the driving wheel is vertically arranged under the first motor;
the driving wheel and a fixed gear in the sliding guide rail mechanism form meshed transmission;
the second motor lifting module comprises two second motors and two lead screws, the two second motors are relatively fixed at the middle of the edge of the supporting bottom plate, and the lead screws are respectively arranged on the two second motors;
the screw rod is connected with a fixed gear in the sliding guide rail mechanism;
the sliding guide rail mechanism comprises a fixed gear, a sliding guide rail supporting piece and an electromagnet, wherein the fixed gear is rigidly connected to the right lower part of the sliding guide rail supporting piece, and the electromagnet is rigidly connected to one side below the fixed gear;
a round hole is formed in the bottom of the fixed gear and is matched with a screw rod in the driving mechanism;
the projection imaging mechanism comprises a projector, two high-precision industrial cameras, three groove plates, balancing weights and a guide rail mounting plate, wherein the guide rail mounting plate is in gear driving sliding connection with the sliding guide rail mechanism through four rollers, the three groove plates are in screw threaded connection with the guide rail mounting plate through plum blossom handle screws, the high-precision industrial cameras and the projector are fixed on the corresponding groove plates through the plum blossom handle screws in threaded connection, the balancing weights are in rigid connection with the guide rail mounting plate, and the gravity centers of the projection imaging mechanism are balanced;
the three groove plates are positioned on the same straight line, so that the optical centers of the two cameras are ensured to be on the same straight line;
the high-precision industrial camera is fixed on the groove plates at two sides, and the projector is fixed on the middle groove plate;
the screw ends of the quincuncial screw handles of the fixed camera and the projector are provided with washers, and the pressure during clamping is buffered;
preferably, the roller is in threaded connection with the guide rail mounting plate.
Compared with the prior art, the utility model has the beneficial effects that: the workbench is used for supporting the measuring device and is magnetically connected with the sliding guide rail mechanism; the optical fiber sensor sensing mechanism is used for sensing the existence state of the detected object, is convenient for automatic detection, improves the measurement efficiency and is intelligent to operate; the driving mechanism is used for driving the projection imaging mechanism to stably perform horizontal rotation on the sliding guide rail mechanism, and the rotation angle is adjustable; on the other hand, the sliding guide rail mechanism is used for driving the screw rod to do lifting motion in the vertical direction, so that the sliding guide rail mechanism and the projection imaging mechanism do vertical motion; the sliding guide rail mechanism is matched with the gear transmission module to enable the projection imaging mechanism to do fixed-angle horizontal rotation movement; the projection imaging mechanism is used for projecting structured light and shooting the object to be measured. Based on the binocular structured light measuring device, the angle dynamic measurement of the measured object can be realized, the automatic searching of the characteristic points and the automatic splicing measurement of the point cloud are realized, and the measuring efficiency and the measuring precision are improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure at A of the present utility model;
FIG. 3 is a schematic diagram of a projection imaging mechanism of the present utility model;
FIG. 4 is a schematic bottom view of the sliding guide mechanism of the present utility model;
in the figure: 1. a support base plate; 2. a vertical support; 3. an optical fiber sensor; 4. a second motor; 5. a screw rod; 6. an electromagnet; 7. a fixed gear; 8. a sliding rail support; 9. quincuncial handle screws; 10. a groove plate; 11. a gasket; 12. a high precision industrial camera; 13. a projector; 14. a guide rail mounting plate; 15. balancing weight; 16. a first motor; 17. a driving wheel; 18. and a roller.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model;
referring to fig. 1-4, the present utility model provides a technical solution: a binocular structured light measuring device comprises a workbench, an optical fiber sensor sensing mechanism, a driving mechanism, a sliding guide rail mechanism and a projection imaging mechanism;
the workbench is provided with a supporting bottom plate 1 for supporting the device, and a vertical support 2 is rigidly arranged on one side of the edge of the supporting bottom plate.
The optical fiber sensor sensing mechanism comprises two optical fiber sensors 3 which are oppositely arranged at two sides of the central line of the supporting bottom plate 1 and are rigidly connected with the supporting bottom plate 1, so that the object state can be conveniently detected;
the driving mechanism comprises a gear transmission module and a second motor lifting module; the gear transmission module comprises a first motor 16 and a driving wheel 17, the first motor 16 is rigidly connected to the guide rail mounting plate 14, the driving wheel 17 is vertically arranged under the first motor 16, and the guide rail mounting plate 14 in the projection imaging mechanism can be driven to do horizontal rotation movement on the sliding guide rail mechanism; the second motor lifting module comprises two second motors 4 and two lead screws 5, the two second motors 4 are relatively fixed at the middle of the edge of the supporting bottom plate 1, the lead screws 5 are respectively arranged on the two second motors 4, and the lead screws 5 are connected with fixed gears 7 in the sliding guide rail mechanism and can drive the lead screws 5 to do lifting motion in the vertical direction, so that the sliding guide rail mechanism and the projection imaging mechanism do vertical motion;
the sliding guide rail mechanism comprises a fixed gear 7, a sliding guide rail support piece 8 and an electromagnet 6, wherein the fixed gear 7 is rigidly connected under the sliding guide rail support piece 8, a round hole matched with a screw rod 5 in the driving mechanism is formed in the bottom of the fixed gear 7, and the electromagnet 6 is rigidly connected to one side under the fixed gear 7;
the projection imaging mechanism comprises a projector 13, two high-precision industrial cameras 12, three groove plates 10, a balancing weight 15 and a guide rail mounting plate 14; the guide rail mounting plate 14 is in gear driving sliding connection with the sliding guide rail mechanism through four rollers 18, the three groove plates 10 are in threaded connection with the guide rail mounting plate through plum handle screws 9, the high-precision industrial camera 12 and the projector 13 are fixed on the corresponding groove plates 10 through threaded connection through plum handle screws 9, and the balancing weight 15 is rigidly connected with the guide rail mounting plate 14; wherein, three recess boards 10 are located on same straight line, ensure that the light center of two high accuracy industry cameras 12 is on same straight line, fix the quincuncial screw handle screw 9 end of high accuracy industry camera 12 and projecting apparatus 13 and be equipped with packing ring 11, the pressure when buffering the clamp tightly, balancing weight 15 balance projection imaging mechanism's focus, make gyro wheel 18 can steadily be at sliding guide mechanism horizontal rotation, the adaptability is stronger.
Specifically, when the utility model is used, a pair of optical fiber sensors 3 are placed on the workbench, so that the existence state of an object to be detected can be sensed; in the use process, the second motor 4 controls the screw rod 5 to do lifting motion in the vertical direction through positive and negative rotation, so as to drive the fixed gear 7 to do vertical motion, and the electromagnet 6 is electrified to magnetically attract the vertical bracket 2, so that the sliding guide rail mechanism and the projection imaging mechanism move or are fixed in the vertical direction, and the operation is convenient; the guide rail mounting plate 14 is arranged on one side of the sliding guide rail support 8, the first motor 16 drives the driving wheel 17 to rotate positively and negatively, and the balancing weight 15 balances the gravity center of the projection imaging mechanism, so that the roller 18 can rotate horizontally on the sliding guide rail support 8 stably, the angle is free, and the rotation is convenient; three groove plates 10 on the projection imaging mechanism are arranged on a guide rail mounting plate 14, a high-precision industrial camera 12 and a projector 13 are fixed by a plum blossom handle screw 9 and a gasket 11 on the upper side of the guide rail mounting plate 14, and the groove plates 10 are fixed by the plum blossom handle screw 9 on the lower side of the guide rail mounting plate 14, so that the high-precision industrial camera 12 and the projector 13 can adjust angles and relative distances, and the adaptability is stronger.
In the description of the present utility model, it should be understood that the terms "bottom," "one end," "top," "another end," "upper," "one side," "top," "inner," "front," "edge," "middle," "two ends," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "magnetically attracted," "engaged," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; 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 meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A binocular structured light measuring apparatus, characterized in that: the optical fiber sensor comprises a workbench, an optical fiber sensor sensing mechanism, a driving mechanism, a sliding guide rail mechanism and a projection imaging mechanism; the optical fiber sensor sensing mechanism and the sliding guide rail mechanism are both arranged on the upper side of the workbench, the projection imaging mechanism is arranged on the sliding guide rail mechanism, and the driving mechanism is arranged on the workbench and the sliding guide rail mechanism.
2. A binocular structured light measuring apparatus according to claim 1, wherein: the workbench comprises a supporting bottom plate (1) for supporting the measuring device and a vertical bracket (2) which is rigidly connected with one side of the edge of the supporting bottom plate (1) and is magnetically connected with the sliding guide rail mechanism.
3. A binocular structured light measuring apparatus according to claim 1, wherein: the optical fiber sensor sensing mechanism comprises two optical fiber sensors (3) which are oppositely arranged at two sides of the central line of the supporting bottom plate (1) and are rigidly connected with the supporting bottom plate (1).
4. A binocular structured light measuring apparatus according to claim 1, wherein: the driving mechanism comprises a gear transmission module and a second motor lifting module.
5. A binocular structured light measuring apparatus according to claim 4, wherein: the gear transmission module comprises a first motor (16) and a driving wheel (17), wherein the first motor (16) is rigidly connected with one side of the guide rail mounting plate (14), and the driving wheel (17) is vertically arranged under the first motor (16) and is in meshed transmission with a fixed gear (7) in the sliding guide rail mechanism.
6. A binocular structured light measuring apparatus according to claim 4, wherein: the second motor lifting module comprises two second motors (4) and two lead screws (5), the two second motors (4) are relatively fixed at the middle of the edge of the supporting bottom plate (1), and the lead screws (5) are respectively arranged on the two second motors (4) and are connected with fixed gears (7) in the sliding guide rail mechanism.
7. A binocular structured light measuring apparatus according to claim 1, wherein: the sliding guide mechanism comprises a fixed gear (7), a sliding guide support (8) and an electromagnet (6), wherein the fixed gear (7) is rigidly connected under the sliding guide support (8), the electromagnet (6) is rigidly connected to one side below the fixed gear (7), a round hole is formed in the bottom of the fixed gear (7), and the round hole is matched with a screw rod (5) in the driving mechanism.
8. A binocular structured light measuring apparatus according to claim 1, wherein: the projection imaging mechanism comprises a projector (13), two high-precision industrial cameras (12), three groove plates (10), balancing weights (15) and a guide rail mounting plate (14), wherein the guide rail mounting plate (14) is in gear driving sliding connection with the sliding guide rail mechanism through four rollers (18), the three groove plates (10) are in threaded connection with the guide rail mounting plate (14) through plum blossom handle screws (9), the high-precision industrial cameras (12) and the projector (13) are fixed on the corresponding groove plates (10) through the plum blossom handle screws (9) through threaded connection, the balancing weights (15) are in rigid connection with the guide rail mounting plate (14), the three groove plates (10) are located on the same straight line, the high-precision industrial cameras (12) are fixed on the groove plates (10) on two sides, the projector (13) is fixed on the middle groove plates (10), gaskets (11) are arranged at the tail ends of the plum blossom handle screws (9) for fixing the cameras (12) and the projector (13), and the rollers (18) are in threaded connection with the guide rail mounting plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320652642.4U CN219736282U (en) | 2023-03-29 | 2023-03-29 | Binocular structured light measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320652642.4U CN219736282U (en) | 2023-03-29 | 2023-03-29 | Binocular structured light measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219736282U true CN219736282U (en) | 2023-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320652642.4U Active CN219736282U (en) | 2023-03-29 | 2023-03-29 | Binocular structured light measuring device |
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| Country | Link |
|---|---|
| CN (1) | CN219736282U (en) |
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- 2023-03-29 CN CN202320652642.4U patent/CN219736282U/en active Active
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