CN219977328U - Image measuring instrument with side light source - Google Patents
Image measuring instrument with side light source Download PDFInfo
- Publication number
- CN219977328U CN219977328U CN202320602979.4U CN202320602979U CN219977328U CN 219977328 U CN219977328 U CN 219977328U CN 202320602979 U CN202320602979 U CN 202320602979U CN 219977328 U CN219977328 U CN 219977328U
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- light source
- side light
- measuring instrument
- test bench
- image measuring
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- 238000001514 detection method Methods 0.000 claims abstract description 22
- 230000001502 supplementing effect Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000005086 pumping Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Abstract
The utility model relates to the technical field of measuring instruments, in particular to an image measuring instrument with a side light source. The image measuring instrument with the side light source comprises a base, a test bench, a Z-direction driving assembly, a CCD detection assembly and a light supplementing assembly; the test bench is arranged on the base; the base is provided with a support column, the Z-direction driving assembly is arranged on the support column, and the output end of the Z-direction driving assembly is provided with a movable plate; the CCD detection assembly is arranged above the test table and is arranged on the movable plate; the light supplementing assembly comprises an upper light source and at least one side light source, wherein the upper light source is arranged on the CCD detection assembly, and the at least one side light source is arranged on the test bench. The utility model solves the problems that the prior image measuring instrument is only provided with an upper light source, and for hardware or other connecting pieces with complex structures, the local part of the workpiece is not clear and the measuring precision is affected easily due to the fact that the light source arranged above the workpiece is used for polishing.
Description
Technical Field
The utility model relates to the technical field of measuring instruments, in particular to an image measuring instrument with a side light source.
Background
The image measuring instrument is also called precision image type surveying instrument, which overcomes the defects of the traditional projector and is a novel high-precision and high-tech measuring instrument integrating light, mechanical, electrical and computer image technologies. The optical microscope performs high-magnification optical amplification imaging on the object to be detected, and the amplified object image is sent into the computer through the CCD camera system, so that the outline, the surface shape, the size, the angle and the position of various complex workpieces can be efficiently detected, and especially the microscopic detection and the quality control of precise parts can be realized. Among them, the light source illumination system is one of the most critical parts in the image measurement system, and its main objective is to project light onto the measured object in a suitable manner, so as to highlight the contrast of the measured feature.
Referring to the utility model patent with publication number of CN209131582U, a more conventional image measuring instrument is disclosed, and an illumination system of the image measuring instrument comprises a light source arranged at the lower end of a focusing lens, and the light source is adopted to polish a workpiece, so that the surface brightness of the workpiece is improved, and the detection precision of a CCD (charge coupled device) camera system is improved. For simple structure's membrane class or plate body, adopt above-mentioned image measuring apparatu can realize polishing comprehensively, reach high accuracy measurement, but to the comparatively complicated hardware of structure or other connecting pieces, only polish the local unclear that causes the work piece easily through the light source of locating the work piece top, influence measurement accuracy.
Therefore, there is a need to provide a solution to the above-mentioned problems.
Disclosure of Invention
The utility model provides an image measuring instrument with a side light source, which aims to solve the problems that the existing image measuring instrument is only provided with an upper light source, and for hardware or other connecting pieces with complex structures, local unclear parts of a workpiece are easily caused by polishing through the light source arranged above the workpiece, and the measuring precision is influenced.
In order to achieve the above purpose, the utility model provides an image measuring instrument with a side light source, which comprises a base, a test bench, a Z-direction driving component, a CCD detection component and a light supplementing component; wherein:
the test bench is arranged on the base; the base is provided with a support column, the Z-direction driving assembly is arranged on the support column, and the output end of the Z-direction driving assembly is provided with a movable plate; the CCD detection assembly is arranged above the test table and is arranged on the movable plate; the light supplementing assembly comprises an upper light source and at least one side light source, wherein the upper light source is arranged on the CCD detection assembly, and the at least one side light source is arranged on the test bench.
More specifically, the middle part of the test bench is provided with an air suction hole, the bottom of the test bench is provided with an air suction pipe, one end of the air suction pipe is communicated with the air suction hole, and the other end of the air suction pipe is communicated with an external air suction device.
More specifically, the side light sources are four, and the four side light sources are distributed on the outer side of the air suction hole in a circumferential array.
More specifically, the CCD detection assembly comprises a CCD camera and a focusing lens, wherein the focusing lens is arranged on the movable plate, and the CCD camera is arranged at the top of the focusing lens.
More specifically, the Z-direction driving assembly comprises a mounting seat, a motor, a screw rod and a transmission block; the mounting seat is mounted on the support column; the screw rod is rotationally connected to the mounting seat; the transmission block is in threaded connection with the screw rod; the movable plate is in sliding connection with the mounting seat and is fixedly connected with the transmission block; the motor is arranged on the mounting seat and used for driving the screw rod to rotate.
More specifically, one end of the test bench is hinged with the base; the base is provided with a telescopic driver, the output end of the telescopic driver is movably connected with a connecting rod, and the other end of the connecting rod is movably connected with the test bench.
More specifically, a transverse moving plate is arranged below the test bench, an X-direction driving assembly is arranged on the transverse moving plate, and the output end of the X-direction driving assembly is fixedly connected with the base; and two ends of the transverse moving plate are respectively connected with the base and the connecting rod.
More specifically, a lifting plate is arranged below the transverse moving plate, a Y-direction driving assembly is arranged on the lifting plate, and the output end of the Y-direction driving assembly is fixedly connected with the transverse moving plate; and two ends of the lifting plate are respectively connected with the base and the connecting rod.
The utility model relates to an image measuring instrument with a side light source, which has the technical effects that:
1. compared with the existing image measuring instrument, the utility model is additionally provided with the side light source, realizes the comprehensive light supplementing of the workpiece by matching the side light source with the upper light source, ensures that each part of the surface of the workpiece is imaged clearly, and improves the measuring precision of the CCD detection assembly.
2. After the workpiece is placed on the test bench, the air between the workpiece and the test bench is continuously pumped out along the air pumping hole by starting the air pumping device, even if a negative pressure state is formed between the workpiece and the test bench, the workpiece can be stably placed on the test bench, and therefore stable measurement work is ensured.
Drawings
FIG. 1 is a schematic diagram of an image measuring apparatus with a side light source according to the present utility model;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is an enlarged schematic view of FIG. 1 at B;
FIG. 4 is an enlarged schematic view of FIG. 1 at C;
FIG. 5 is a schematic diagram showing the connection between a base and a test bench in an image measuring apparatus with a side light according to the present utility model;
fig. 6 is a prior art workpiece.
The marks in the figure:
1. a base; 2. a test bench; 3. a Z-direction drive assembly; 4. a CCD detection assembly; 5. a light supplementing component; 6. a support post; 7. a moving plate;
11. a telescopic drive; 12. a transverse moving plate; 13. an X-direction driving assembly; 14. a lifting plate; 15. a Y-direction drive assembly; 16. a connecting rod;
21. an air suction hole;
31. a mounting base; 32. a motor; 33. a screw rod;
41. a CCD camera; 42. a focusing lens;
51. a top light source; 52. a side light source;
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the embodiments of the present utility model, it should be understood that the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements 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 order to more clearly illustrate the technical scheme of the utility model, a preferred embodiment is provided below, and referring to fig. 1 to 5 specifically, an image measuring instrument with a side light source includes a base 1, a test bench 2, a Z-direction driving component 3, a CCD detecting component 4 and a light supplementing component 5; wherein:
the test bench 2 is arranged on the base 1; the base 1 is provided with a support column 6, the Z-direction driving assembly 3 is arranged on the support column 6, and the output end of the Z-direction driving assembly 3 is provided with a movable plate 7; the CCD detection component 4 is arranged above the test bench 2 and is arranged on the movable plate 7; the light supplementing assembly 5 comprises an upper light source 51 and at least one side light source 52, wherein the upper light source 51 is arranged on the CCD detection assembly 4, and the at least one side light source 52 is arranged on the test bench 2.
Compared with the existing image measuring instrument, the image measuring instrument with the side light source is additionally provided with the side light source 52, and the side light source 52 is matched with the upper light source 51 to realize the comprehensive light supplementing of the workpiece, so that all parts on the surface of the workpiece are imaged clearly, and the measuring precision of the CCD detection assembly 4 is improved.
Preferably, the side light source 52 includes a plurality of LED lamp groups (not shown) arranged longitudinally, and each LED lamp group includes a plurality of LED lamp beads arranged transversely. Each LED lamp group can independently work, and the staff can start different LED lamp groups according to different workpieces to this is to the light filling of work piece pertinence, so, can effectively reduce the energy consumption when guaranteeing to improve measurement accuracy.
In this embodiment, the middle part of the test bench 2 is provided with an air suction hole 21, the bottom of the test bench 2 is provided with an air suction pipe, one end of the air suction pipe is communicated with the air suction hole 21, and the other end of the air suction pipe is communicated with an external air suction device. Specifically, after the workpiece is placed on the test bench 2, the air extractor is started, so that air between the workpiece and the test bench 2 is continuously extracted outwards along the air extractor hole 21, even if a negative pressure state is formed between the workpiece and the test bench 2, the workpiece can be stably placed on the test bench 2, and stable measurement work is ensured.
In the present embodiment, four side light sources 52 are provided, and the four side light sources 52 are distributed in a circumferential array on the outer side of the air extraction hole 21. By adopting the design, the omnidirectional light supplementing of the workpiece can be realized, and even if the workpiece is placed at will, the side light source 52 can fully supplement light to the local complex structure existing in the workpiece, so that when the workpiece is placed by a worker, the placing orientation of the workpiece is not required to be paid attention to, and the detection efficiency is improved.
In the present embodiment, the CCD detection assembly 4 includes a CCD camera 41 and a focus lens 42, the focus lens 42 is mounted on the moving plate 7, and the CCD camera 41 is mounted on top of the focus lens 42. Specifically, focusing is performed through the focus lens 42, and the imaging sharpness of the CCD camera 41 is ensured, thereby improving the measurement accuracy.
In this embodiment, the Z-direction driving assembly 3 includes a mount 31, a motor 32, a screw 33, and a transmission block; the mounting seat 31 is mounted on the support column 6; the screw rod 33 is rotatably connected to the mounting seat 31; the transmission block is in threaded connection with the screw rod 33; the moving plate 7 is in sliding connection with the mounting seat 31 and is fixedly connected with the transmission block; the motor 32 is mounted on the mounting seat 31 and is used for driving the screw 33 to rotate. Specifically, after the workpiece to be tested is placed on the test bench 2, the motor 32 is started to drive the screw rod 33 to rotate, and under the action of the threads, the transmission block drives the moving plate 7 to ascend or descend, so that the CCD camera 41 is focused accurately, and the detection precision is improved.
In the embodiment, one end of the test board 2 is hinged with the base 1; the base 1 is provided with a telescopic driver 11, the output end of the telescopic driver 11 is movably connected with a connecting rod 16, and the other end of the connecting rod 16 is movably connected with the test bench 2. It should be noted that, referring to fig. 6, the structure of the workpiece is diversified, and the workpiece is a conventional workpiece, which includes an inclined plane that needs to be photographed and measured, and in the prior art, the inclined plane of the workpiece is usually positioned by the aid of the positioning fixture, so that the CCD camera 41 can complete photographing and measurement of the inclined plane of the workpiece, and different workpieces need to be assisted by different positioning fixtures, so as to increase the measurement cost. In order to solve the problem, the utility model adds the telescopic driver 11, when the output end of the telescopic driver 11 extends outwards, the connecting rod 16 pushes the test bench 2 to rotate, so that the inclined surface to be tested of the workpiece faces upwards, and the workpiece can be stably placed on the test bench 2 under the action of the exhaust pipe, thus, the CCD camera 41 can carry out shooting measurement. By adopting the design, the auxiliary of a positioning jig is not needed, the measurement convenience is improved, and the detection cost is reduced. Preferably, the telescopic driver 11 is an electric push rod.
As a preferable scheme, a transverse moving plate 12 is arranged below the test bench 2, an X-direction driving component 13 is arranged on the transverse moving plate 12, and the output end of the X-direction driving component 13 is fixedly connected with the base 1; both ends of the traversing plate 12 are respectively connected with the base 1 and the connecting rod 16.
As a preferable scheme, a lifting plate 14 is arranged below the transverse moving plate 12, a Y-direction driving component 15 is arranged on the lifting plate 14, and the output end of the Y-direction driving component 15 is fixedly connected with the transverse moving plate 12; both ends of the lifting plate 14 are connected to the base 1 and the link 16, respectively. It should be noted that, through the cooperation of the X-direction driving assembly 13 and the Y-direction driving assembly 15, the position of the workpiece can be conveniently and accurately adjusted, and further the CCD camera 41 can accurately measure the data of different parts of the workpiece.
The image measuring instrument with the side light source solves the problems that the existing image measuring instrument is only provided with the upper light source, and for hardware or other connecting pieces with complex structures, local part of a workpiece is not clear and measuring precision is affected easily due to the fact that the workpiece is polished only by the light source arranged above the workpiece.
The above-mentioned embodiments of the present utility model are not limited to the above-mentioned embodiments, but can be modified, equivalent, and improved within the spirit and principle of the present utility model, and the present utility model is also included in the scope of the present utility model.
Claims (8)
1. An image measuring instrument with a side light source, which is characterized in that: the device comprises a base, a test bench, a Z-direction driving assembly, a CCD detection assembly and a light supplementing assembly; wherein:
the test bench is arranged on the base; the base is provided with a support column, the Z-direction driving assembly is arranged on the support column, and the output end of the Z-direction driving assembly is provided with a movable plate; the CCD detection assembly is arranged above the test table and is arranged on the movable plate; the light supplementing assembly comprises an upper light source and at least one side light source, wherein the upper light source is arranged on the CCD detection assembly, and the at least one side light source is arranged on the test bench.
2. The image measuring instrument with side light as defined in claim 1, wherein: the middle part of the test bench is provided with an air suction hole, the bottom of the test bench is provided with an air suction pipe, one end of the air suction pipe is communicated with the air suction hole, and the other end of the air suction pipe is communicated with an external air suction device.
3. An image measuring instrument with side light as defined in claim 2, wherein: four side light sources are arranged and distributed on the outer side of the air pumping hole in a circumferential array.
4. The image measuring instrument with side light as defined in claim 1, wherein: the CCD detection assembly comprises a CCD camera and a focusing lens, the focusing lens is mounted on the movable plate, and the CCD camera is mounted on the top of the focusing lens.
5. The image measuring instrument with side light as defined in claim 1, wherein: the Z-direction driving assembly comprises a mounting seat, a motor, a screw rod and a transmission block; the mounting seat is mounted on the support column; the screw rod is rotationally connected to the mounting seat; the transmission block is in threaded connection with the screw rod; the movable plate is in sliding connection with the mounting seat and is fixedly connected with the transmission block; the motor is arranged on the mounting seat and used for driving the screw rod to rotate.
6. The image measuring instrument with side light as defined in claim 1, wherein: one end of the test bench is hinged with the base; the base is provided with a telescopic driver, the output end of the telescopic driver is movably connected with a connecting rod, and the other end of the connecting rod is movably connected with the test bench.
7. The image measuring instrument with side light as defined in claim 6, wherein: a transverse moving plate is arranged below the test bench, an X-direction driving assembly is arranged on the transverse moving plate, and the output end of the X-direction driving assembly is fixedly connected with the base; and two ends of the transverse moving plate are respectively connected with the base and the connecting rod.
8. The image measuring instrument with side light as defined in claim 7, wherein: a lifting plate is arranged below the transverse moving plate, a Y-direction driving assembly is arranged on the lifting plate, and the output end of the Y-direction driving assembly is fixedly connected with the transverse moving plate; and two ends of the lifting plate are respectively connected with the base and the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320602979.4U CN219977328U (en) | 2023-03-23 | 2023-03-23 | Image measuring instrument with side light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320602979.4U CN219977328U (en) | 2023-03-23 | 2023-03-23 | Image measuring instrument with side light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219977328U true CN219977328U (en) | 2023-11-07 |
Family
ID=88577379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320602979.4U Active CN219977328U (en) | 2023-03-23 | 2023-03-23 | Image measuring instrument with side light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219977328U (en) |
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2023
- 2023-03-23 CN CN202320602979.4U patent/CN219977328U/en active Active
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