CN213338234U - Displacement calibration system - Google Patents
Displacement calibration system Download PDFInfo
- Publication number
- CN213338234U CN213338234U CN202022447999.8U CN202022447999U CN213338234U CN 213338234 U CN213338234 U CN 213338234U CN 202022447999 U CN202022447999 U CN 202022447999U CN 213338234 U CN213338234 U CN 213338234U
- Authority
- CN
- China
- Prior art keywords
- displacement
- platform
- dimensional
- calibration
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model discloses a displacement calibration system, which comprises a Z-direction one-dimensional lifting platform, a Z-direction displacement meter, an X-Y-direction two-dimensional displacement platform, an X-direction displacement meter and a Y-direction displacement meter; the lens is arranged on a moving part of the Z-direction one-dimensional lifting platform; the calibration plate is arranged on the moving part of the X-Y direction two-dimensional displacement platform; the Z-direction one-dimensional lifting platform, the Z-direction displacement meter, the X-Y-direction two-dimensional displacement platform, the X-direction displacement meter and the Y-direction displacement meter are all horizontally arranged, and the lens is aligned with the calibration plate; the function of shooting the calibration plate by the lens at different distances and different angles can be realized by operating the X-Y direction two-dimensional displacement platform and the angle adjusting support, and the influence of human factors can be avoided; the X-direction displacement meter, the Y-direction displacement meter and the Z-direction displacement meter can be used for acquiring specific distance and angle values of the lens and the calibration plate, the distance and the angle which are the same as those of a calibration environment can be configured in a use environment, and the precision can be higher during image processing calculation.
Description
Technical Field
The utility model belongs to the technical field of mark, concretely relates to displacement calibration system.
Background
In a machine vision system, the calibration of a lens is required to obtain internal and external parameters of the lens in order to correct an image shot by the lens, and generally, a calibration plate is placed or attached to a product to be measured, then the calibration plate at different angles and different distances is shot by the lens manually, and then the image is analyzed and calculated. At present, the method has certain randomness, does not accurately control the angle and the distance, is greatly influenced by human operation factors, and the specific use environment of the lens after calibration cannot be consistent with the calibration environment, so that the deviation of the calculation result is brought.
Therefore, it is necessary to develop a displacement calibration system to solve the above problems.
Disclosure of Invention
For solving the problem that proposes among the above-mentioned background art, the utility model provides a displacement calibration system.
In order to achieve the above object, the utility model provides a following technical scheme:
a displacement calibration system, comprising:
a Z-direction one-dimensional lifting platform; the lens is arranged on a moving part of the Z-direction one-dimensional lifting platform;
a Z displacement meter for measuring Z displacement of the lens;
an X-Y direction two-dimensional displacement platform; the calibration plate is arranged on the moving part of the X-Y direction two-dimensional displacement platform;
an X-displacement meter for measuring the X-displacement of the calibration plate;
a Y-displacement meter for calibrating Y-displacement measurement of the plate;
wherein, Z is to one-dimensional lift platform, Z to displacement meter, X-Y is to two-dimensional displacement platform, X to displacement meter, Y to displacement meter all horizontal setting, and the camera lens is aimed at the calibration plate setting.
Specifically, the displacement calibration system further comprises angle adjusting equipment, and the angle adjusting equipment is installed on a moving part of the X-Y direction two-dimensional displacement platform and used for adjusting the angle of the calibration plate.
Specifically, the angle adjusting device comprises an angle adjusting support, the lower end of the angle adjusting support is rotatably arranged on a moving part of the X-Y direction two-dimensional displacement platform, and the calibration plate is arranged at the upper end of the angle adjusting support.
Specifically, an angle pointer is connected to the side wall of the angle adjusting support, an angle scale is arranged on a moving portion of the X-Y direction two-dimensional displacement platform, and the angle pointer and the angle scale are matched to indicate the rotation angle of the calibration plate.
Specifically, a dry plate frame is installed at the upper end of the angle adjusting support, the calibration plate is placed in the dry plate frame, a clamping screw is installed on the dry plate frame, and the clamping screw is used for clamping the calibration plate between the dry plate frame and the clamping screw after being screwed tightly.
Specifically, the displacement calibration system further comprises a platform fixing plate, the platform fixing plate is horizontally arranged, a plurality of screw holes are formed in the platform fixing plate, and the fixing portion of the Z-direction one-dimensional lifting platform and the fixing portion of the X-Y-direction two-dimensional displacement platform are mounted on the platform fixing plate through a plurality of mounting screws.
The displacement calibration system further comprises a Z-direction displacement mounting bracket, an X-direction displacement mounting bracket and a Y-direction displacement mounting bracket, wherein the Z-direction displacement meter is mounted on the Z-direction displacement mounting bracket, the Z-direction displacement mounting bracket is fixed on the platform fixing plate through a plurality of mounting screws, and the acting end of the Z-direction displacement meter is aligned with the upper end of the moving part of the Z-direction one-dimensional lifting platform; the X-direction displacement meter is arranged on the X-direction displacement mounting bracket, the X-direction displacement mounting bracket is fixed on the platform fixing plate through a plurality of mounting screws, and the action end of the X-direction displacement meter is aligned with one end part of the X-direction moving part of the X-Y-direction two-dimensional displacement platform; the Y-direction displacement meter is arranged on the Y-direction displacement mounting bracket, the Y-direction displacement mounting bracket is fixed on the platform fixing plate through a plurality of mounting screws, and the action end of the Y-direction displacement meter is aligned with one end part of the Y-direction moving part of the X-Y-direction two-dimensional displacement platform.
Specifically, the displacement calibration system further comprises a lens holder, the lens is held and mounted in the lens holder, and the lens holder is mounted on a moving part of the Z-direction one-dimensional lifting platform.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the function of shooting the calibration plate under different distances and different angles by the lens can be realized by operating the X-Y direction two-dimensional displacement platform and the angle adjusting support, and the calibration plate can not be influenced by human factors;
2. the X-direction displacement meter, the Y-direction displacement meter and the Z-direction displacement meter can be used for acquiring specific distance and angle values of the lens and the calibration plate, the distance and the angle which are the same as those of a calibration environment can be configured in a use environment, and the precision can be higher during image processing calculation.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the angle adjusting mount of the present invention.
Fig. 3 is a lens holder of another structure of the present invention.
In the figure: 1. the device comprises a platform fixing plate, 2, mounting screws, 3, a Z-direction displacement mounting support, 4, a Z-direction one-dimensional lifting platform, 5, a Z-direction displacement meter, 6, a lens, 7, a lens holder, 8, an X-direction displacement meter, 9, an X-direction displacement mounting support, 10, a calibration plate, 11, a dry plate frame, 12, a clamping screw, 13, an X-Y-direction two-dimensional displacement platform, 14, a Y-direction displacement mounting support, 15, a Y-direction displacement meter, 16, an angle adjusting support, 17, an angle pointer, 18 and angle scales.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a following technical scheme:
as shown in fig. 1, a displacement calibration system includes:
a Z-direction one-dimensional lifting platform 4; the lens 6 is arranged on the moving part of the Z-direction one-dimensional lifting platform 4;
a Z-displacement meter 5 for measuring Z-displacement of the lens 6;
an X-Y direction two-dimensional displacement platform 13; the calibration plate 10 is arranged on a moving part of the X-Y direction two-dimensional displacement platform 13;
an X-displacement meter 8 for X-displacement measurement of the calibration plate 10;
a Y-displacement meter 15 for Y-displacement measurement of the calibration plate 10;
wherein, Z is to one-dimensional lift platform 4, Z to displacement meter 5, X-Y to two-dimentional displacement platform 13, X to displacement meter 8, Y to displacement meter 15 all horizontal settings, and camera lens 6 aims at calibration plate 10 and sets up.
In the embodiment, the lens 6 moves up and down on the Z-direction one-dimensional lifting platform 4 and is opposite to the X-Y-direction two-dimensional displacement platform 13; the calibration plate 10 moves on the X-Y direction two-dimensional displacement platform 13 in the front, back, left and right directions and under different angles, so that the function of shooting the calibration plate 10 by the lens 6 under different distances and different angles is met;
in the present embodiment, the X-Y two-dimensional displacement stage is a prior art and will not be described herein.
As shown in fig. 1, the displacement calibration system further includes an angle adjusting device installed on the moving portion of the X-Y two-dimensional displacement table 13 and used for angle adjustment of the calibration plate 10.
As shown in fig. 1, the angle adjusting apparatus includes an angle adjusting support 16, a lower end of the angle adjusting support 16 is rotatably installed on a moving portion of the X-Y direction two-dimensional displacement table 13, and a calibration plate 10 is installed on an upper end of the angle adjusting support 16.
As shown in fig. 2, an angle pointer 17 is connected to a side wall of the angle adjusting support 16, an angle scale 18 is provided on a moving portion of the X-Y direction two-dimensional displacement platform 13, and the angle pointer 17 and the angle scale 18 cooperate to indicate a rotation angle of the calibration plate 10.
As shown in fig. 1, a dry plate frame 11 is mounted at the upper end of the angle adjusting support 16, the calibration plate 10 is placed in the dry plate frame 11, a clamping screw 12 is mounted on the dry plate frame 11, and the clamping screw 12 is tightened to clamp the calibration plate 10 between the dry plate frame 11 and the clamping screw 12.
As shown in fig. 1, the displacement calibration system further includes a platform fixing plate 1, the platform fixing plate 1 is horizontally disposed, the platform fixing plate 1 is provided with a plurality of screw holes, and the fixing portion of the Z-direction one-dimensional lifting platform 4 and the fixing portion of the X-Y-direction two-dimensional displacement platform 13 are mounted on the platform fixing plate 1 through a plurality of mounting screws 2.
In this embodiment, the platform fixing plate 1 needs to be leveled by a level meter or a level device, so as to ensure that all devices on the platform fixing plate 1 are at the same level;
as shown in fig. 1, the displacement calibration system further includes a Z-direction displacement mounting bracket 3, an X-direction displacement mounting bracket 9, and a Y-direction displacement mounting bracket 14, wherein the Z-direction displacement meter 5 is mounted on the Z-direction displacement mounting bracket 3, the Z-direction displacement mounting bracket 3 is fixed on the platform fixing plate 1 by a plurality of mounting screws 2, and an acting end of the Z-direction displacement meter 5 is aligned with an upper end of a moving part of the Z-direction one-dimensional lifting platform 4; the X-direction displacement meter 8 is arranged on an X-direction displacement mounting bracket 9, the X-direction displacement mounting bracket 9 is fixed on the platform fixing plate 1 through a plurality of mounting screws 2, and the action end of the X-direction displacement meter 8 is aligned with one end part of an X-direction moving part of the X-Y-direction two-dimensional displacement platform 13; the Y-direction displacement meter 15 is arranged on the Y-direction displacement mounting bracket 14, the Y-direction displacement mounting bracket 14 is fixed on the platform fixing plate 1 through a plurality of mounting screws 2, and the action end of the Y-direction displacement meter 15 is aligned with one end part of the Y-direction moving part of the X-Y-direction two-dimensional displacement platform 13.
As shown in fig. 1, the displacement calibration system further includes a lens holder 7, the lens 6 is held and mounted in the lens holder 7, and the lens holder 7 is mounted on the moving part of the Z-direction one-dimensional elevating platform 4. The lens holder in the form consists of an upper clamping block and a lower clamping block, a gap is arranged between the two clamping blocks, the size of the gap is determined according to the diameter of the lens, the upper clamping block and the lower clamping block are screwed up relatively by screws, and then the lens is stably held by the two clamping blocks, so that the lens holder is suitable for the lens with smaller diameter, longer length and smooth outside.
As shown in fig. 3, another lens holder is shown, which has a threaded hole at the end corresponding to the diameter of the lens, and the lens passes through the threaded hole and is backed up by a nut, so as to be suitable for a lens with a larger diameter, a smaller length and a thread on the outside.
Based on the above, the calibration system can be designed into different forms of lens holders 7, can be used for calibrating various types of lenses 6, and has strong universality and high practicability;
the calibration system can also be used for connecting and fixing various types of optical appliances, such as a spectrometer, a detector and the like, and can meet various scientific research requirements by combining with the corresponding lens 6.
In some embodiments, a 2mm × 2mm calibration plate 10 is held on the dry plate holder 11, the lens holder 7 holds an endoscope lens 6 with a diameter of 2mm, the calibration plate 10 is adjusted to three distances of 65mm, 10mm and 20mm from the endoscope lens by the X-Y two-dimensional displacement platform 13 according to the actual working environment, the calibration plate 10 is adjusted to three angles of 30 degrees, 45 degrees and 60 degrees from the endoscope lens 6 by the angle adjusting support 16 at each distance, the endoscope lens 6 is raised to three heights of 10mm, 20mm and 30mm by the Z-direction one-dimensional lifting platform 4, the heights and distances can be verified by the displacement meter, and then one plate is shot for calibration in each working condition. During actual work, the configuration consistent with the calibration environment is adopted, so that the interference of artificial factors can be effectively avoided, and the calculation precision is improved.
Claims (8)
1. A displacement calibration system, comprising:
a Z-direction one-dimensional lifting platform; the lens is arranged on a moving part of the Z-direction one-dimensional lifting platform;
a Z displacement meter for measuring Z displacement of the lens;
an X-Y direction two-dimensional displacement platform; the calibration plate is arranged on the moving part of the X-Y direction two-dimensional displacement platform;
an X-displacement meter for measuring the X-displacement of the calibration plate;
a Y-displacement meter for calibrating Y-displacement measurement of the plate;
wherein, Z is to one-dimensional lift platform, Z to displacement meter, X-Y is to two-dimensional displacement platform, X to displacement meter, Y to displacement meter all horizontal setting, and the camera lens is aimed at the calibration plate setting.
2. The displacement calibration system according to claim 1, further comprising an angle adjustment device mounted on the movable portion of the X-Y two-dimensional displacement platform for angular adjustment of the calibration plate.
3. The displacement calibration system according to claim 2, wherein the angle adjustment device comprises an angle adjustment support, the lower end of the angle adjustment support is rotatably mounted on the moving part of the X-Y two-dimensional displacement platform, and the calibration plate is mounted on the upper end of the angle adjustment support.
4. The displacement calibration system according to claim 3, wherein the angle pointer is connected to a side wall of the angle adjustment support, an angle scale is arranged on the moving part of the X-Y direction two-dimensional displacement platform, and the angle pointer and the angle scale are matched to indicate a rotation angle of the calibration plate.
5. A displacement calibration system according to claim 3, wherein a dry plate frame is installed at the upper end of the angle adjustment support, the calibration plate is placed in the dry plate frame, and a clamping screw is installed on the dry plate frame and is used for clamping the calibration plate between the dry plate frame and the clamping screw after being tightened.
6. The displacement calibration system as claimed in claim 1, wherein the displacement calibration system further comprises a platform fixing plate, the platform fixing plate is horizontally disposed, the platform fixing plate is provided with a plurality of screw holes, and the fixing portion of the Z-direction one-dimensional lifting platform and the fixing portion of the X-Y-direction two-dimensional displacement platform are mounted on the platform fixing plate through a plurality of mounting screws.
7. The displacement calibration system according to claim 6, further comprising a Z-direction displacement mounting bracket, an X-direction displacement mounting bracket and a Y-direction displacement mounting bracket, wherein the Z-direction displacement meter is mounted on the Z-direction displacement mounting bracket, the Z-direction displacement mounting bracket is fixed on the platform fixing plate through a plurality of mounting screws, and the action end of the Z-direction displacement meter is aligned with the upper end of the moving part of the Z-direction one-dimensional lifting platform; the X-direction displacement meter is arranged on the X-direction displacement mounting bracket, the X-direction displacement mounting bracket is fixed on the platform fixing plate through a plurality of mounting screws, and the action end of the X-direction displacement meter is aligned with one end part of the X-direction moving part of the X-Y-direction two-dimensional displacement platform; the Y-direction displacement meter is arranged on the Y-direction displacement mounting bracket, the Y-direction displacement mounting bracket is fixed on the platform fixing plate through a plurality of mounting screws, and the action end of the Y-direction displacement meter is aligned with one end part of the Y-direction moving part of the X-Y-direction two-dimensional displacement platform.
8. The system of claim 6, further comprising a lens holder, wherein the lens is held and mounted in the lens holder, and the lens holder is mounted on the moving part of the Z-direction one-dimensional elevating platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022447999.8U CN213338234U (en) | 2020-10-29 | 2020-10-29 | Displacement calibration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022447999.8U CN213338234U (en) | 2020-10-29 | 2020-10-29 | Displacement calibration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213338234U true CN213338234U (en) | 2021-06-01 |
Family
ID=76075167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022447999.8U Active CN213338234U (en) | 2020-10-29 | 2020-10-29 | Displacement calibration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213338234U (en) |
-
2020
- 2020-10-29 CN CN202022447999.8U patent/CN213338234U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211727892U (en) | Pipe identification device for laser pipe cutting equipment | |
| CN207268614U (en) | Pin flatness calibrating installation | |
| CN105352449A (en) | Measurement system of shape and overall size of part on the basis of machine vision and measurement testing method of shape and overall size of part on the basis of machine vision | |
| CN103322917A (en) | High-speed intelligent detector for thickness, specification and squareness of substrate | |
| CN112198671A (en) | Displacement calibration system | |
| CN109940360A (en) | Lens clamp device and its clamping method | |
| CN108759676A (en) | Based on tessellated transmission case end face large scale geometric tolerance detection device and method | |
| CN213338234U (en) | Displacement calibration system | |
| CN208671913U (en) | One kind being based on tessellated transmission case end face large scale geometric tolerance detection device | |
| CN207540491U (en) | The optical texture that a kind of large scale product quickly detects | |
| CN205156875U (en) | Camera angle adjusting device of three -dimensional appearance measuring apparatu of industry type | |
| CN209459613U (en) | A kind of optical mirror slip detection device | |
| CN108709509B (en) | Contour camera, matched oversized-diameter revolving body workpiece non-contact caliper and non-contact revolving body measuring method | |
| CN207650113U (en) | Steel Ball Surface Defect Detecting Instrument | |
| CN105865361A (en) | Laser interferometer used for material surface inner deformation and strain field measurement, and application method | |
| CN202974187U (en) | Self-operated measuring apparatus for cutter | |
| CN212674065U (en) | Integrated form visual detection device with adjustable height | |
| CN207487595U (en) | A kind of Y-axis calibrating installation of optic axis class somascope | |
| CN208521028U (en) | Polarization-preserving fiber axis fixing machine | |
| CN208171174U (en) | A kind of online image measurer | |
| CN205156874U (en) | Many breadths 3D scanning survey appearance | |
| CN215179594U (en) | Optical glass uniformity testing device | |
| CN201392186Y (en) | Swing angle precision detection device based on optical lever | |
| CN216745976U (en) | Glass tube end face angle tester | |
| CN220961268U (en) | Visual inspection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |