CN206281460U - A kind of ray machine of non-standard endoporus mixes many spot projection self-calibration inside diameter measurement systems - Google Patents
A kind of ray machine of non-standard endoporus mixes many spot projection self-calibration inside diameter measurement systems Download PDFInfo
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- CN206281460U CN206281460U CN201621153350.2U CN201621153350U CN206281460U CN 206281460 U CN206281460 U CN 206281460U CN 201621153350 U CN201621153350 U CN 201621153350U CN 206281460 U CN206281460 U CN 206281460U
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- diameter measurement
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- inside diameter
- spot projection
- endoporus
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Abstract
The utility model is related to a kind of ray machine of non-standard endoporus to mix many spot projection self-calibration inside diameter measurement systems, include feed mechanism, gripping conveyor structure, pore diameter measurement mechanism and product sorting mechanism, each mechanism is linked in sequence, wherein, described pore diameter measurement mechanism is respectively by multiple spot projection column module, light source module, image capture module, inside diameter measurement module is constituted, by multiple spot projection column module, correct non-standard aperture, the multiple spot contacted with endoporus is projected to two dimensional surface, by image capture module, gather the subaperture image of mapping, to image preprocessing, and by inside diameter measurement module calculated hole diameters, reach non-contact type on-line measurement commutator bore purpose.The utility model has the advantages that fast high precision, measuring speed, self-calibration, can realize on-line checking.
Description
Technical field
The utility model is related to measure the technical field in non-standard endoporus aperture, more particularly to a kind of non-standard endoporus
Ray machine mixes many spot projection self-calibration inside diameter measurement systems.
Background technology
With the fast development of Chinese manufacturing, the demand of various products is growing, the parts of various different sizes
Demand also constantly expand, while also being stepped up to its quality requirement.
At present, there is endoporus Pore Diameter Detection demand in many products, and endoporus detection is still detected using artificial using instrument
Mode, but, there is the endoporus of many products inclination, horn mouth (one end open is big, and one end open is small), opening ellipse is presented
Generally adhere to some fine particles etc. non-standard shapes, and endoporus inwall, the presence of these factors all exists to high accuracy aperture
Line detection is challenged.Additionally, cause the production cost to increase using excessive manual detection, and manual detection exist it is poorly efficient
The problems such as rate, false drop rate higher and loss, these problem long-standing problems many manufacturing industries.
Although some manufacturers are also adopted by various internal measuring instruments, these instruments are all only used for laboratory,
Production line measurement is not used to, and there is many deficiencies, endoporus is such as measured using mechanical plug gauge, measurement error is big, and precision is low,
Measuring speed is slow；Pneumatic gauging mode, relatively costly, detection speed is slow, is not suitable with production line needs；Electric transducer measurement side
Formula, because the inner hole wall having is nonmetallic materials, it is impossible to measure；Optical measurement configuration, due to product endoporus presence ellipse, inclines
Tiltedly, inwall has the factors such as disturbance caused, causes certainty of measurement low, it is impossible to meet production requirement.
It is not enough for above-mentioned metering system, it is desirable to which that a kind of energy of in the market appearance is online, cost is relatively low, accuracy of detection is high, inspection
The system that degree of testing the speed is fast, reliably carry out non-standard endoporus detection, preferably solves the detection problem of non-standard endoporus.
The content of the invention
The utility model aims to overcome that prior art is not enough, there is provided a kind of energy is online, cost is relatively low, accuracy of detection
High, detection speed is fast, reliably carry out the ray machine of non-standard endoporus mixes many spot projection self-calibration inside diameter measurement systems.
To achieve the above object, technical scheme provided by the utility model is：It includes feed mechanism, crawl conveying
Mechanism, pore diameter measurement mechanism and product sorting mechanism, each mechanism are sequentially connected, wherein, described pore diameter measurement mechanism difference
It is made up of multiple spot projection column module, light source module, image capture module, inside diameter measurement module.
The multiple spot projection column module, control multiple spot projection column is opened, and product to be checked is propped up, and adjust automatically product to be checked
Product attitude.
The light source module, coordinates multiple spot projection column module, projection endoporus multiple spot to two dimensional surface.
Described image acquisition module, endoporus multiple spot projected image is gathered using camera, and carries out image preprocessing, including figure
Image brightness is adjusted, and image segmentation and filters noise, then extracts the profile of multiple spot projection column.
The inside diameter measurement module, using self-calibration inside diameter measurement algorithm, calculated hole diameters value.
Described multiple spot projection column module is made up of multiple projection columns, and angle is identical two-by-two between the plurality of projection column, throws
Shadow post is with the horizontal 90 °.
The shape all same of the multiple projection column, is shaped as cylindrical, spherical, triangle etc..
The inside diameter measurement module uses self-calibration orifice size calculation method, and it is using circle Freeman chains code symmetry difference
Four orientation corresponding points are calculated, quick calculating projection column circumference and Camera Self-Calibration ratio value while operand is reduced, then
Endoporus aperture value is calculated with reference to multiple spot projection column.
Camera in described image acquisition module is face battle array industrial camera.
Compared with prior art, this programme comprehensively uses optical, mechanical and electronic integration and machine vision technique, develops in non-standard
Hole ray machine mixing on-line measurement system, the system uses multiple spot projection column mechanical structure, and faying face battle array industrial camera is realized nonstandard
Quasi- endoporus IMAQ, with image processing techniques, so that product endoporus aperture is calculated, even if product endoporus to be checked is present inclining
Tiltedly, the problems such as bellmouth orifice, ellipse and inwall attachment non-metallic particle thing, system can also be measured to the aperture, finally be tied
Close electromechanical equipment to be sorted, instead of existing manual detection pattern；This programme has that certainty of measurement is high, detection speed fast, automatic
Change degree is high, and production cost is relatively low, detect it is reliable and stable the advantages of.
Brief description of the drawings
Fig. 1 is system construction drawing in the utility model embodiment；
Fig. 2 is self-calibration inside diameter measurement algorithm flow chart in the utility model embodiment；
In figure：1- feed mechanisms, 2- gripping conveyor structures, 3- pore diameter measurement mechanisms, 4- product sortings mechanism, 5- multiple spots are thrown
Shadow post module, 6- light source modules, 7- image capture modules, 8- inside diameter measurement modules.
Specific embodiment
With reference to specific embodiment, the utility model is described in further detail：
Referring to shown in attached Fig. 1 and 2, the ray machine of a kind of non-standard endoporus described in the present embodiment mixes many spot projection self-calibrations
Inside diameter measurement system, it includes feed mechanism 1, gripping conveyor structure 2, pore diameter measurement mechanism 3 and product sorting mechanism 4,
Each mechanism is linked in sequence, wherein, pore diameter measurement mechanism 3 is respectively by multiple spot projection column module 5, light source module 6, image capture module
7th, inside diameter measurement module 8 is constituted；Described multiple spot projection column module 5 is made up of the projection column that three shapes are cylinder, and
And three angle is 120 ° two-by-two between spot projection post, projection column is with the horizontal 90 °；During work, the auto-sequencing of feed mechanism 1
And product to be checked to gripping conveyor structure 2 is conveyed, then product to be checked is captured one by one by gripping conveyor structure 2 and is transported to aperture
Measuring mechanism 3, the product to be measured for reaching pore diameter measurement mechanism 3 first carries out the spot projection of endoporus three in multiple spot projection column module 5,
Three spot projection post motion control mechanisms, three spot projection posts of control are opened, and product to be checked is propped up, and adjust automatically product attitude,
3 points of endoporus is projected simultaneously to two dimensional surface, and then, the face battle array industrial camera in image capture module 7 gathers three spot projection post figures
Picture, brightness regulation is carried out by obtaining image, and image segmentation filters noise, calculates interesting image regions, finally extracts and throws
Shadow post profile, obtains profile and is transferred to inside diameter measurement module 8, then respectively to the profile using symmetrical based on Freeman chain codes
Four orientation Fast Circle detection computational methods, realize that self-calibration ratio value is calculated, and combine three spot projection post meters using mathematical statistics
Calculation obtains endoporus aperture value, further according to Pore Diameter Detection standard, contrasts effective aperture measured value, output category result, finally, product
Mechanism for sorting 4 is separately processed qualified products and substandard product according to testing result.
System described in the present embodiment uses three spot projection post mechanical structures, and faying face battle array industrial camera is realized non-standard
Endoporus IMAQ, with image processing techniques, so that product endoporus aperture to be checked is calculated, even if product endoporus to be checked is present inclining
Tiltedly, the problems such as bellmouth orifice, ellipse and inwall attachment non-metallic particle thing, system can also be measured to the aperture, finally be tied
Close electromechanical equipment to be sorted, instead of existing manual detection pattern；With certainty of measurement is high, detection speed fast, automaticity
Height, production cost is relatively low, detect it is reliable and stable the advantages of.
Three spot projection post mechanical structures are used in the present embodiment, the projection column mechanical structure more than or equal to 2 points is applicable
In the utility model.
The examples of implementation of the above are only the preferred embodiment of the utility model, not limit of the present utility model with this
Practical range, therefore the change that all shapes according to the utility model, principle are made, all should cover in protection domain of the present utility model
It is interior.
Claims (5)
1. a kind of ray machine of non-standard endoporus mixes many spot projection self-calibration inside diameter measurement systems, it is characterised in that：It is included
Feed mechanism, gripping conveyor structure, pore diameter measurement mechanism and product sorting mechanism, each mechanism are linked in sequence, wherein, it is described
Pore diameter measurement mechanism is made up of multiple spot projection column module, light source module, image capture module, inside diameter measurement module respectively；
The multiple spot projection column module, control multiple spot projection column is opened, and product to be checked is propped up, and adjust automatically product appearance to be checked
State；
The light source module, coordinates multiple spot projection column module, projection endoporus multiple spot to two dimensional surface；
Described image acquisition module, endoporus multiple spot projected image is gathered using camera, and carries out image preprocessing, including image is bright
Degree regulation, image segmentation and filters noise, then extracts the profile of multiple spot projection column；
The inside diameter measurement module, using self-calibration inside diameter measurement algorithm, calculated hole diameters value.
2. a kind of ray machine of non-standard endoporus according to claim 1 mixes many spot projection self-calibration inside diameter measurement systems,
It is characterized in that：Described multiple spot projection column module is made up of multiple projection columns, and angle is identical two-by-two between the plurality of projection column,
Projection column is with the horizontal 90 °.
3. a kind of ray machine of non-standard endoporus according to claim 2 mixes many spot projection self-calibration inside diameter measurement systems,
It is characterized in that：The shape all same of the multiple projection column, is shaped as cylindrical, spherical, triangle.
4. a kind of ray machine of non-standard endoporus according to claim 1 mixes many spot projection self-calibration inside diameter measurement systems,
It is characterized in that：The inside diameter measurement module uses self-calibration orifice size calculation method, and it is using round Freeman chain code symmetries
Four orientation corresponding points are calculated respectively, and projection column circumference and Camera Self-Calibration ratio value are quickly calculated simultaneously operand is reduced,
Endoporus aperture value is calculated in conjunction with multiple spot projection column.
5. a kind of ray machine of non-standard endoporus according to claim 1 mixes many spot projection self-calibration inside diameter measurement systems,
It is characterized in that：Camera in described image acquisition module is face battle array industrial camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621153350.2U CN206281460U (en) | 2016-10-31 | 2016-10-31 | A kind of ray machine of non-standard endoporus mixes many spot projection self-calibration inside diameter measurement systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621153350.2U CN206281460U (en) | 2016-10-31 | 2016-10-31 | A kind of ray machine of non-standard endoporus mixes many spot projection self-calibration inside diameter measurement systems |
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| CN206281460U true CN206281460U (en) | 2017-06-27 |
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| CN201621153350.2U Expired - Fee Related CN206281460U (en) | 2016-10-31 | 2016-10-31 | A kind of ray machine of non-standard endoporus mixes many spot projection self-calibration inside diameter measurement systems |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441132A (en) * | 2016-10-31 | 2017-02-22 | 广东工业大学 | Optical and mechanical mixed multipoint projection self-calibration aperture measuring system and method for nonstandard inner hole |
| CN107944342A (en) * | 2017-10-27 | 2018-04-20 | 天津美腾科技有限公司 | A kind of scrapper conveyor abnormal state detection system based on machine vision |
| CN110542364A (en) * | 2018-12-15 | 2019-12-06 | 嘉思特华剑医疗器材(天津)有限公司 | Method for measuring wire diameter and aperture of 3D titanium alloy bone trabecula test piece |
-
2016
- 2016-10-31 CN CN201621153350.2U patent/CN206281460U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441132A (en) * | 2016-10-31 | 2017-02-22 | 广东工业大学 | Optical and mechanical mixed multipoint projection self-calibration aperture measuring system and method for nonstandard inner hole |
| CN107944342A (en) * | 2017-10-27 | 2018-04-20 | 天津美腾科技有限公司 | A kind of scrapper conveyor abnormal state detection system based on machine vision |
| CN110542364A (en) * | 2018-12-15 | 2019-12-06 | 嘉思特华剑医疗器材(天津)有限公司 | Method for measuring wire diameter and aperture of 3D titanium alloy bone trabecula test piece |
| CN110542364B (en) * | 2018-12-15 | 2021-07-27 | 嘉思特华剑医疗器材(天津)有限公司 | Method for measuring wire diameter and pore diameter of 3D-printed titanium alloy bone trabecula test piece |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191119 Address after: 510000 Panyu District, Guangzhou, Guangzhou University,, West Ring Road, No. 100 Patentee after: Guangdong University of Technology Address before: 510062 Dongfeng East Road, Guangzhou, Guangdong, No. 729 Co-patentee before: Guangzhou Kai Xing Xing Intelligent Technology Co., Ltd. Patentee before: Guangdong University of Technology |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 Termination date: 20201031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |