CN117723489A - Detection frame and machine vision system - Google Patents
Detection frame and machine vision system Download PDFInfo
- Publication number
- CN117723489A CN117723489A CN202311778732.9A CN202311778732A CN117723489A CN 117723489 A CN117723489 A CN 117723489A CN 202311778732 A CN202311778732 A CN 202311778732A CN 117723489 A CN117723489 A CN 117723489A
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- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 238000012360 testing method Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000007405 data analysis Methods 0.000 abstract description 5
- 238000011156 evaluation Methods 0.000 abstract description 5
- 238000011900 installation process Methods 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 6
- 238000007517 polishing process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000004484 Briquette Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a detection frame and a machine vision system, wherein the detection frame comprises a bottom plate, a lifting guide rail arranged along a first direction is arranged on the bottom plate, and a light source plate for installing a light source is connected to the lifting guide rail in a sliding manner; the light source board is provided with a plurality of longitudinal and transverse adjusting groove groups in an array mode, and the longitudinal and transverse adjusting groove groups comprise longitudinal grooves used for providing a second direction adjusting range in a preset coordinate interval and transverse grooves used for providing a third direction adjusting range in respective coordinate intervals. The invention can improve the accuracy and repeatability of positioning in the light source installation process, and can provide more reliable basis for subsequent data analysis and result evaluation.
Description
Technical Field
The invention relates to the technical field of machine vision, in particular to a detection frame and a machine vision system.
Background
In machine vision inspection, the inspection rack plays a key role in the polishing process, and the position and parameters of the light source are controlled so that the light irradiates the target object at a specific angle and intensity. Currently, manual measurements are often used when commissioning and assembling the detection frame, for example manually measuring the distance and angle between the light source and the target object using a scale or callipers. This method has some errors and in large-scale or long-term testing, manual measurement can become cumbersome and time-consuming.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a detection frame and a machine vision system, which solve the problems that certain errors exist in the prior art when the current detection frame is debugged and assembled, and manual measurement becomes complicated and time-consuming in a large-scale test or a long-time test.
In order to achieve the above object, the present invention provides the following technical solutions:
the detection frame comprises a bottom plate, wherein a lifting guide rail arranged along a first direction is arranged on the bottom plate, and a light source plate for installing a light source is connected to the lifting guide rail in a sliding manner;
the light source board is provided with a plurality of longitudinal and transverse adjusting groove groups in an array mode, and the longitudinal and transverse adjusting groove groups comprise longitudinal grooves used for providing a second direction adjusting range in a preset coordinate interval and transverse grooves used for providing a third direction adjusting range in respective coordinate intervals.
Optionally, the longitudinal and transverse adjustment groove group includes a first positioning hole for positioning a central coordinate, and the first positioning hole is located at a center common to the second direction adjustment range and the third direction adjustment range;
the light source plate is provided with a plurality of first pressing blocks used for pressing the light source, and the first pressing blocks are movably arranged in the longitudinal grooves or the transverse grooves.
Optionally, a first sliding seat is arranged on the lifting guide rail, and a vertical scale plate arranged along a first direction is arranged on the lifting guide rail;
the first sliding seat is provided with a first adapter seat; be equipped with transverse guide on the light source board, be equipped with the second slide on the transverse guide, be equipped with the roating seat on the second slide, the roating seat connect in first roating seat for the light source board can for first roating seat is rotatory, just the rotation axis of light source board sets up along second direction or third direction.
Optionally, a corner bracket is arranged at the bottom of the light source plate, the corner bracket comprises mounting surfaces which are arranged along a second direction and a third direction respectively and are used for mounting the light source, and first arc-shaped grooves are respectively arranged on the two mounting surfaces;
an arc scale is arranged along the edge of the first arc groove.
Optionally, the detection frame further comprises a bottom plate, and the lifting guide rail is arranged on the bottom plate;
the base plate is provided with a first workpiece plate for fixing a workpiece, and the first workpiece plate is arranged on the base plate through a second adapter seat.
Optionally, a plurality of second locating holes are arranged on the bottom plate in an array mode, an adjusting groove is formed in the second adapter seat, the adjusting groove is a long groove extending along the first direction, and the second adapter seat is movably arranged on the bottom plate through fasteners penetrating through the adjusting groove and the second locating holes.
Optionally, a transverse scale plate arranged along the second direction is arranged on the bottom plate.
Optionally, a third adapter seat is arranged on the second adapter seat, and a second workpiece plate for fixing a workpiece is rotatably arranged on the third adapter seat;
the third adapter seat is provided with a second arc-shaped groove, and the second workpiece plate is provided with a limiting piece penetrating through the second arc-shaped groove.
Optionally, a second pressing block and a plurality of third positioning holes arranged in an array form are arranged on the first workpiece plate, and the second pressing block is fixed in the third positioning holes through a fastener;
the second workpiece plate is provided with a third pressing block and a plurality of fourth positioning holes arranged in an array mode, and the third pressing block is fixed in the fourth positioning holes through fasteners.
The invention also provides a machine vision system comprising a test rack as claimed in any one of the preceding claims.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a detection frame and a machine vision system, which can improve the positioning accuracy and repeatability in the light source installation process and provide more reliable basis for subsequent data analysis and result evaluation.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a detection rack according to the present invention;
FIG. 2 is a schematic structural diagram of a detection rack according to the present invention at another view angle;
fig. 3 is a schematic structural diagram of a detection frame according to the present invention under a further view angle.
In the above figures: 10. a bottom plate; 101. a transverse scale plate; 102. a second positioning hole; 11. a guide rail base; 12. lifting the guide rail; 121. a first slider; 1211. a handle; 122. a vertical scale plate; 20. a first adapter; 201. a rotating seat; 21. a light source board; 211. a second slider; 212. a transverse guide rail; 221. a longitudinal slot; 222. a transverse slot; 223. a first positioning hole; 23. a first briquette; 24. a corner bracket; 241. a first arc-shaped groove; 242. radian scale; 301. the second adapter seat; 3011. an adjustment tank; 302. the third adapter seat; 3021. a second arc-shaped groove; 311. a first workpiece plate; 3111. a third positioning hole; 312. a second work piece plate; 3121. a third briquetting; 3122. and a fourth positioning hole.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only some embodiments of the present invention, not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it will be understood that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.
Furthermore, the terms "long," "short," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, for convenience of description of the present invention, and are not intended to indicate or imply that the apparatus or elements referred to must have this particular orientation, operate in a particular orientation configuration, and thus should not be construed as limiting the invention.
The current detection frame generally lacks real-time positioning function, and the position of the continuous movement of the light source in the polishing process can not be accurately recorded. This results in the inability to determine accurate correlations between the polishing location and other influencing factors in subsequent data analysis and result evaluation, limiting optimization and improvement of the polishing process. The present invention is directed to a detection frame that solves the aforementioned problems of the prior art.
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
Referring to fig. 1 and 2 in combination, the inspection rack provided by the present invention is a device for installing a light source and adjusting the position of the light source to realize the function of a machine vision system.
Specifically, in the present invention, the inspection rack includes a base plate 10 and a lifting rail 12, the base plate 10 is provided with the lifting rail 12 along a first direction, and the light source plate 21 is slidably connected to the lifting rail 12 through a first slider 121.
Further, the lifting guide rail 12 is disposed on the bottom plate 10 through the guide rail base 11, a first adapter 20 is disposed on the lifting guide rail, the first adapter 20 is connected to the first slide 121, and the first slide 121 is provided with the first adapter 20.
Wherein, be equipped with transverse rail 212 on the light source board 21, be equipped with second slide 211 on the transverse rail 212, be equipped with roating seat 201 on the second slide 211, roating seat 201 connects in first roating seat 20 for light source board 21 can rotate, and the rotation axis of light source board 21 sets up along the second direction or the third direction.
Wherein, the second sliding seat 211 slides along the transverse guide rail 212 to adjust the position of the light source plate 21; meanwhile, the rotation axis of the light source plate 21 can be arranged along the second direction or the third direction, and the light source plate 21 is rotationally connected with the first adapter 20 to adjust the angle of the light source plate 21, so as to adjust the irradiation angle of the light source.
In order to facilitate the adjustment of the height of the light source plate 21, the first slider 121 is provided with a handle 1211 for gripping; in addition, a vertical scale 122 is provided on the lifting rail 12 along the first direction, and the height of the light source plate 21 is recorded by the vertical scale 122.
In this embodiment, a plurality of vertical and horizontal adjustment groove groups are disposed on the light source board 21 in an array, and the vertical and horizontal adjustment groove groups include a vertical groove 221 and a horizontal groove 222 for providing adjustment ranges of the second direction and the third direction in a predetermined coordinate range.
Wherein the predetermined coordinate range is determined based on the positioning holes on the light source plate 21. Specifically, the longitudinal and transverse adjustment groove group includes a first positioning hole 223, the first positioning hole 223 is used for positioning the center coordinates, and the first positioning hole 223 is located at the center of the second and third direction adjustment ranges.
Further, the light source plate 21 is further provided with a plurality of first pressing blocks 23 for pressing the light source, and the pressing blocks are movably arranged in different groups of longitudinal grooves 221 or transverse grooves 222 so as to realize pressing fixation of the light source.
Optionally, the bottom of the light source board 21 is provided with a corner bracket 24, where the corner bracket 24 includes a mounting surface for mounting the light source, and specifically includes two mounting surfaces disposed along a second direction and a third direction, where the two mounting surfaces are respectively provided with a first arc-shaped slot 241, and an arc scale 242 is disposed along an edge of the first arc-shaped slot 241.
When the light source is used, the light source is rotatably arranged on the mounting surface, and meanwhile, the limiting piece is arranged on the light source and is limited in the first arc-shaped groove 241, so that the limiting of the rotation angle of the light source is realized.
On the basis of the above structure, by combining the light source plate 21 and the corner bracket 24, the installation positions of different light sources can be provided, and the irradiation angles can be respectively adjusted, so that the angle adjustment flexibility of the light sources is improved.
In addition, the radian scale 242 is arranged to record the current optimum light source angle, so that a basis is provided for subsequent data analysis and result evaluation.
In addition, the inspection rack further includes a base plate 10 and a first work plate 311, and the lifting rail 12 is provided on the base plate 10. Wherein, the first workpiece plate 311 is mounted on the bottom plate 10 through the second adapter 301 for realizing the fixation of the workpiece.
Further, a plurality of second positioning holes 102 are further formed in the base plate 10 in an array manner, an adjusting groove 3011 is formed in the second adapter 301, the adjusting groove 3011 extends along the first direction, and the second adapter 301 is movably arranged on the base plate 10 through fasteners penetrating through the adjusting groove 3011 and the second positioning holes 102. In actual operation, the position of the first workpiece plate 311 on the bottom plate 10 is realized by adjusting the installation position of the second adapter 301 on the bottom plate 10, which is beneficial to realizing adjustment of the preset installation position of a large-scale workpiece.
In order to facilitate recording of the position data of the first workpiece plate 311 for subsequent tracking or for adjustment reference, the base plate 10 is further provided with a transverse scale plate 101 along the second direction.
Further, a third adapter base 302 is optionally provided on the second adapter base 301, and a second workpiece plate 312 for fixing a workpiece is rotatably mounted on the third adapter base 302. The third adapter 302 is further provided with a second arc-shaped groove 3021, and the second workpiece plate 312 is provided with a limiting member, and the limiting member is arranged in the second arc-shaped groove 3021 in a penetrating manner. When the rotation angle of the second workpiece plate 312 is adjusted, the stopper slides along the second arc groove 3021 to guide the rotation of the second workpiece plate 312 and to provide limitation of the rotation angle of the second workpiece plate 312.
In addition, the first work plate 311 is provided with a second press block and a plurality of third positioning holes 3111 arranged in an array, and the second press block is fixed in the third positioning holes 3111 by a fastener.
Further, the second workpiece plate 312 is provided with a third pressing block 3121 and a plurality of fourth positioning holes 3122 arranged in an array, and the third pressing block 3121 is fixed in the fourth positioning holes 3122 by a fastener.
It is to be understood that, when the workpiece is set on the first workpiece plate 311 or the second workpiece plate 312, the second pressing block and the third pressing block 3121 may be used to press the workpiece to the target position.
In the present embodiment, by providing the first work plate 311 and the second work plate 312, the densities of the third positioning hole 3111 and the fourth positioning hole 3122 can be adjusted during actual operation to accommodate different work fixation; in addition, when the first and second workpiece plates 311 and 312 are adjusted to a specific angle, the workpieces on the second and third workpiece plates 312 and 312 can be simultaneously imaged, respectively, thereby improving the detection efficiency.
In some embodiments, the first press block 23, the second press block and the third press block 3121 are profiling members of the shape of the target pressed object, or the first press block 23, the second press block and the third press block 3121 each include a press plate having an elongated groove, which is fastened to the light source plate 21, the first work plate 311 and the third work plate by screws, and the depth of screwing in is adjusted to be adapted to the thickness of the fixed object.
Based on the foregoing embodiments, embodiments of the present invention provide a machine vision system including the above-described inspection rack. The machine vision system can be used for various detection tasks, and accurate positioning and detection of the workpiece are realized by adjusting the position of the light source and fixing the workpiece.
The beneficial effects of the invention are as follows: the invention provides a detection frame capable of quantifying and recording position data, which can improve the accuracy and repeatability of a polishing process and provide more reliable basis for subsequent data analysis and result evaluation.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The detection frame is characterized by comprising a bottom plate (10), wherein a lifting guide rail (12) arranged along a first direction is arranged on the bottom plate (10), and a light source plate (21) for installing a light source is connected to the lifting guide rail (12) in a sliding manner;
the light source plate (21) is provided with a plurality of longitudinal and transverse adjustment groove groups in an array, the longitudinal and transverse adjustment groove groups comprising longitudinal grooves (221) for providing an adjustment range along a second direction in a predetermined coordinate section, and transverse grooves (222) for providing an adjustment range along a third direction in respective coordinate sections.
2. A test frame according to claim 1, characterized in that the longitudinal and transverse adjustment slot group comprises a first positioning hole (223) for positioning a central coordinate, the first positioning hole (223) being located at a common center of the second and third direction adjustment ranges;
the light source plate (21) is provided with a plurality of first pressing blocks (23) for pressing the light source, and the first pressing blocks (23) are movably arranged in the longitudinal grooves (221) or the transverse grooves (222).
3. A test rack according to claim 1, characterized in that the lifting rail (12) is provided with a first slide (121), and the lifting rail (12) is provided with a vertical scale plate (122) (122) arranged along a first direction;
a first adapter seat (20) is arranged on the first sliding seat (121); be equipped with transverse guide (212) on light source board (21), be equipped with second slide (211) on transverse guide (212), be equipped with roating seat (201) on second slide (211), roating seat (201) connect in first adapter (20) for light source board (21) can for first adapter (20) are rotatory, just the rotation axis of light source board (21) sets up along second direction or third direction.
4. A detection frame according to claim 3, characterized in that the bottom of the light source plate (21) is provided with a corner bracket (24), the corner bracket (24) comprises mounting surfaces arranged along a second direction and a third direction respectively for mounting the light source, and the two mounting surfaces are respectively provided with a first arc-shaped groove (241);
an arc scale (242) is arranged along the edge of the first arc groove (241).
5. A test rack according to claim 1, further comprising a base plate (10), said lifting rail (12) being provided on said base plate (10);
the base plate (10) is provided with a first workpiece plate (311) for fixing a workpiece, and the first workpiece plate (311) is arranged on the base plate (10) through a second adapter seat (301).
6. The detection frame according to claim 5, wherein a plurality of second positioning holes (102) are formed in the base plate (10) in an array manner, an adjusting groove (3011) is formed in the second adapter (301), the adjusting groove (3011) is an elongated groove extending along the first direction, and the second adapter (301) is movably arranged on the base plate (10) through fasteners penetrating through the adjusting groove (3011) and the second positioning holes (102).
7. A test rack according to claim 6, characterized in that the base plate (10) is provided with a transverse scale (101) arranged in the second direction.
8. A test rack according to claim 5, characterized in that the second adapter (301) is provided with a third adapter (302), and the third adapter (302) is rotatably provided with a second workpiece plate (312) for fixing a workpiece;
the third adapter seat (302) is provided with a second arc-shaped groove (3021), and the second workpiece plate (312) is provided with a limiting piece penetrating through the second arc-shaped groove (3021).
9. The detection frame according to claim 8, wherein the first workpiece plate (311) is provided with a second pressing block and a plurality of third positioning holes (3111) arranged in an array, and the second pressing block is fixed in the third positioning holes (3111) through a fastener;
the second workpiece plate (312) is provided with a third pressing block (3121) and a plurality of fourth positioning holes (3122) which are arranged in an array, and the third pressing block (3121) is fixed in the fourth positioning holes (3122) through a fastener.
10. A machine vision system comprising a test rack as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311778732.9A CN117723489A (en) | 2023-12-21 | 2023-12-21 | Detection frame and machine vision system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311778732.9A CN117723489A (en) | 2023-12-21 | 2023-12-21 | Detection frame and machine vision system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117723489A true CN117723489A (en) | 2024-03-19 |
Family
ID=90201390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311778732.9A Pending CN117723489A (en) | 2023-12-21 | 2023-12-21 | Detection frame and machine vision system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117723489A (en) |
-
2023
- 2023-12-21 CN CN202311778732.9A patent/CN117723489A/en active Pending
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