CN204788270U - Fine module gear precision measurement device - Google Patents
Fine module gear precision measurement device Download PDFInfo
- Publication number
- CN204788270U CN204788270U CN201520497482.6U CN201520497482U CN204788270U CN 204788270 U CN204788270 U CN 204788270U CN 201520497482 U CN201520497482 U CN 201520497482U CN 204788270 U CN204788270 U CN 204788270U
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- base
- camera
- prism
- pedestal
- module gear
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Abstract
The utility model discloses a fine module gear precision measurement device. The utility model discloses be provided with the support on the base, be equipped with the prism base on the base of support middle position, be provided with pentagonal prism on the prism base, pentagonal prism see through fretwork department of dimensional movement platform central authorities, just right a clamp plate for fixing the fine module gear. The industry camera passes through camera frame activity and sets up on the camera mount, the camera mount by the support arm supports, and the industry camera is equipped with the telecentric mirror head, and this telecentric mirror head is located dimensional movement platform top. Be provided with fluorescent lamp holder base in that base one side is fixed, LED collimator passes through the fluorescent lamp holder to be fixed on fluorescent lamp holder base, and the direction photograph that the perpendicular to base was pressed through pentagonal prism refraction back to light that LED collimator sent is to the dimensional movement platform. The utility model discloses the application machine vision detect, and measuring time is short, has also avoided personal error simultaneously, has guaranteed repeatability and stable.
Description
Technical field
The utility model relates to gear measurement technical field, is specifically related to a kind of measurement mechanism of low module involute cylindrical gear geometric sense parameter.
Background technology
Fine module gear is often referred to the gear that modulus is less than 1mm, is usually used in the gearing in precision instrumentation.And Machine Vision Detection, utilize machine vision to replace human eye to measure and to judge exactly, and image is used as detection and transmits the means of measured target information and the detection method of carrier.By machine vision applications in the detection of the accuracy of gear, can personal error be avoided, ensure measuring repeatability, solve many difficult problems that traditional measurement exists.
The equipment that current utilization machine vision carries out gear testing uses Polaroid mostly.When detecting high precision fine module gear, the requirement of Measurement Resolution is higher, and the visual field of machine vision can be restricted Polaroidly to complete adopts figure.Along with the develop rapidly of sophisticated manufacturing, also more and more higher to the requirement of fine module gear precision, study and be significant based on the gear detector of the contactless machine vision of image and gear geometry parameter assessment method.
Summary of the invention
In order to detect high-precision fine module gear, solve the problem of camera fields of view restriction, the utility model provides a kind of fine module gear precision measurement apparatus.
Technical solution adopted in the utility model is:
The utility model comprises manual displacement platform, camera fixed mount, camera support, industrial camera, telecentric lens, sway brace, pressing plate, two-dimension moving platform, pentagonal prism, prism base, support, light pipe clamper base, light pipe clamper, LED parallel light tube and pedestal.
Pedestal is provided with support, the pedestal of support middle position is equipped with prism base, prism base is provided with pentagonal prism, described pentagonal prism is through two-dimension moving platform central authorities hollow part, just to the described pressing plate for fixing fine module gear, in described two-dimension moving platform central authorities, hollow part is also being equipped with optical glass.
Described industrial camera is movably arranged on camera fixed mount by camera support, camera fixed mount is supported by described sway brace, described industrial camera is equipped with telecentric lens, this telecentric lens is positioned at above two-dimension moving platform, and described manual displacement platform is for regulating the object distance between industrial camera and fine module gear.
Be fixedly installed light pipe clamper base in described pedestal side, LED parallel light tube is fixed on light pipe clamper base by light pipe clamper, and the light that LED parallel light tube sends shines to two-dimension moving platform by the direction perpendicular to pedestal after pentagonal prism refraction.
Furtherly, described pedestal is made up of grouan material, plays function of shock insulation.
Furtherly, described two-dimension moving platform is equipped with grating scale in each direction of motion.
The beneficial effects of the utility model are embodied in:
1, use machine vision to detect, Measuring Time is short, it also avoid personal error simultaneously, ensure that repeatability and stability.
The mode of 2, being undertaken lining by line scan by two-dimentional precision movement platform completes image acquisition, solves industrial camera limits visual field problem because improving resolution.
Accompanying drawing explanation
Fig. 1 is utility model structural representation.
In figure: 1. manual displacement platform, 2. camera fixed mount, 3. camera support, 4. industrial camera, 5. telecentric lens, 6. sway brace, 7. pressing plate, 8. two-dimension moving platform, 9. pentagonal prism, 10. prism base, 11. supports, 12. light pipe clamper bases, 13. light pipe clampers, 14.LED parallel light tube, 15. pedestals.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Design of the present utility model is: comprise fixing machine vision, a light-source system, build a two-dimentional precision movement platform.Gear under test is fixed on platform, moving, realizing the image-pickup method of lining by line scan by controlling two-dimension moving platform.
As shown in Figure 1, the present embodiment comprises manual displacement platform 1, camera fixed mount 2, camera support 3, industrial camera 4, telecentric lens 5, sway brace 6, pressing plate 7, two-dimension moving platform 8, pentagonal prism 9, prism base 10, support 11, light pipe clamper base 12, light pipe clamper 13, LED parallel light tube 14 and pedestal 15.
Pedestal is provided with support, the pedestal of support middle position is equipped with prism base, prism base is provided with pentagonal prism, described pentagonal prism is through two-dimension moving platform central authorities hollow part, just to the described pressing plate for fixing fine module gear, in described two-dimension moving platform central authorities, hollow part is also being equipped with optical glass.
Described industrial camera is movably arranged on camera fixed mount by camera support, camera fixed mount is supported by described sway brace, described industrial camera is equipped with telecentric lens, this telecentric lens is positioned at above two-dimension moving platform, and described manual displacement platform is for regulating the object distance between industrial camera and fine module gear.
Be fixedly installed light pipe clamper base in described pedestal side, LED parallel light tube is fixed on light pipe clamper base by light pipe clamper, and the light that LED parallel light tube sends shines to two-dimension moving platform by the direction perpendicular to pedestal after pentagonal prism refraction.
Industrial camera can take the gear graph picture be placed on two-dimension moving platform.Manually displacement platform can regulate the object distance between camera and gear, and the telecentric lens that camera configures in certain object distance range, can be amplified the image that multiplying power is identical.The light source of system is LED parallel light tube, light source is by can shining to two-dimension moving platform by the direction perpendicular to pedestal after the refraction of pentagonal prism, the central authorities of motion platform adopt engraved structure, and optical glass is housed, thus complete fixing machine vision, a light-source system.Light pipe clamper and prism base can fixed light source and pentagonal prisms, also can adjust to the projecting direction of light path simultaneously.Support is fixed on pedestal, and pedestal uses grouan material to make, and can play function of shock insulation.
When actual measurement, industrial camera is connected to host computer, the image of the control collected by camera gear of host computer, and host computer also can be connected with the driving governor of two-dimension moving platform simultaneously, drives platform to line by line scan.Host computer, after receiving the image information of camera, obtains the coordinate information of gear profile by image processing software and completes the splicing of image.Host computer just can carry out accuracy assessment to the individual circular pitch error of fine module gear, tooth pitch cumulative departure, total cumulative pitch error afterwards.
Above-mentioned embodiment is used for explaining and the utility model is described; instead of the utility model is limited; in the protection domain of spirit of the present utility model and claim, any amendment make the utility model and change, all drop into protection domain of the present utility model.
Claims (3)
1. fine module gear precision measurement apparatus, comprise manual displacement platform, camera fixed mount, camera support, industrial camera, telecentric lens, sway brace, pressing plate, two-dimension moving platform, pentagonal prism, prism base, support, light pipe clamper base, light pipe clamper, LED parallel light tube and pedestal, it is characterized in that:
Pedestal is provided with support, the pedestal of support middle position is equipped with prism base, prism base is provided with pentagonal prism, described pentagonal prism is through two-dimension moving platform central authorities hollow part, just to the described pressing plate for fixing fine module gear, in described two-dimension moving platform central authorities, hollow part is also being equipped with optical glass;
Described industrial camera is movably arranged on camera fixed mount by camera support, camera fixed mount is supported by described sway brace, described industrial camera is equipped with telecentric lens, this telecentric lens is positioned at above two-dimension moving platform, and described manual displacement platform is for regulating the object distance between industrial camera and fine module gear;
Be fixedly installed light pipe clamper base in described pedestal side, LED parallel light tube is fixed on light pipe clamper base by light pipe clamper, and the light that LED parallel light tube sends shines to two-dimension moving platform by the direction perpendicular to pedestal after pentagonal prism refraction.
2. fine module gear precision measurement apparatus according to claim 1, is characterized in that: described
Pedestal is made up of grouan material, plays function of shock insulation.
3. fine module gear precision measurement apparatus according to claim 1, is characterized in that: described two-dimension moving platform is equipped with grating scale in each direction of motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520497482.6U CN204788270U (en) | 2015-07-12 | 2015-07-12 | Fine module gear precision measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520497482.6U CN204788270U (en) | 2015-07-12 | 2015-07-12 | Fine module gear precision measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204788270U true CN204788270U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520497482.6U Expired - Fee Related CN204788270U (en) | 2015-07-12 | 2015-07-12 | Fine module gear precision measurement device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204788270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122430A (en) * | 2016-08-11 | 2016-11-16 | 中国计量大学 | A kind of fine module gear rim detection accuracy computation method of feature based image |
-
2015
- 2015-07-12 CN CN201520497482.6U patent/CN204788270U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122430A (en) * | 2016-08-11 | 2016-11-16 | 中国计量大学 | A kind of fine module gear rim detection accuracy computation method of feature based image |
| CN106122430B (en) * | 2016-08-11 | 2018-08-07 | 中国计量大学 | A kind of fine module gear edge detection accuracy computation method of feature based image |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20190712 |
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| CF01 | Termination of patent right due to non-payment of annual fee |