CN105043262A - Threaded hole component measuring and sorting device based on embedded and machine vision - Google Patents
Threaded hole component measuring and sorting device based on embedded and machine vision Download PDFInfo
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- CN105043262A CN105043262A CN201510556842.XA CN201510556842A CN105043262A CN 105043262 A CN105043262 A CN 105043262A CN 201510556842 A CN201510556842 A CN 201510556842A CN 105043262 A CN105043262 A CN 105043262A
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Abstract
The invention belongs to the field of machine vision, and particularly relates to a threaded hole component measuring and sorting device based on embedded and machine vision. The composition of the threaded hole component measuring and sorting device comprises a production line, an embedded electrical control cabinet, a thread plug gauge, an expanding spindle, a data processing module and pneumatic manipulators. Measuring precision and efficiency can be enhanced, personnel labor intensity can be reduced, and accuracy of the measuring mode and digital recording of measuring information can be realized. The embedded electrical control cabinet is the power distribution control core of the device. There are multiple clamp fixing bases which are flexibly arranged on the production line. Clamps are fixedly arranged among the clamp fixing bases, and embedding members are arranged among the clamps. The data processing module is the core of data acquisition, processing and recording for the device. The expanding spindle is used for detecting verticality of components. The thread plug gauge is used for detecting depth of threads and measuring holes. The pneumatic manipulators are used for adding and sorting the components.
Description
Technical field
The invention belongs to field of machine vision, particularly relate to a kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment.
Background technology
Under existence conditions, inserts and positioning tool are completely by manually adopting the tradition two such as slide calliper rule, clearance gauge, bevel protractor to measure, each inserts needs multiple measuring process, several minutes are reached for screwed inserts detection is consuming time, not only labour intensity is large in the inspection of the inserts of batch production, the human cost detected is also higher, reviewer works long hours after fatigue and easily occurs flase drop, and average detected efficiency is on the low side, the detection less stable of people simultaneously, there is the problem varied with each individual in assay.
At present for the manual detection method of inserts and positioning tool, only judge its dimensional accuracy and form accuracy whether in margin tolerance, namely only there are qualified and defective two kinds of testing results, and do not realize realizing further sorting according to its accuracy class, be difficult to the foundation forming inserts and positioning tool aftertreatment.Meanwhile, inserts testing result form is comparatively single, is difficult to the occurrence providing detection, and provides according to the different structure form of inserts and detect form accordingly, and the validity of testing result lacks checks foundation.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment, improve measuring accuracy and efficiency, reduce personnel labor intensity, and realize the accuracy of metering system and the digital recording of metrical information.
The technical solution adopted in the present invention is: a kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment, its composition comprises: production line, embedded electrical control cabinet, plug thread gauge, expanding arbor, data processing module and Pneumatic manipulator, is characterized in that: embedded electrical control cabinet is the distribution control core of device.Fixture holder has multiple, is all movably arranged in production line.Fixture is fixedly installed on the centre of fixture holder.Inserts is arranged on the centre of fixture.Data processing module is the data sampling and processing of device and the core of record.Expanding arbor is for detecting the verticality of part.Plug thread gauge is for detecting the degree of depth of screw thread, measured hole.Pneumatic manipulator is used for adding, sorting part.
A kind of based on embedded with the threaded hole parts measurement of machine vision and the workflow of sorting equipment as follows:
Step 1 is placed part and is transmitted part in production line.
Step 2 data processing module gathers part image, and carries out image procossing, calculates the radius of accessory appearance size and blind hole, and judges that whether it is qualified.
Step 3 plug thread gauge detects the degree of depth in screw thread, hole, and whether the verticality that expanding arbor detects part is qualified.
Step 4 Pneumatic manipulator sorting pieces O.K. and defective carry out subregion placement.
Step 5 repeats step 1-4, until the sorting of all parts is complete.
Described a kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment, described plug thread gauge can detect the hole depth of part threaded hole, whether screw thread is qualified, and whether the verticality that described expanding arbor can detect part is qualified.
Described a kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment, described data processing module comprises CMOS camera and image processing module.
Described a kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment, described plug thread gauge and expanding arbor are in same position, switch by rotating.
Described a kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment, described CMOS camera is USB3.0 direct plugging-in.
Described a kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment, the LED light source that described image processing module adopts is backlight.
Described a kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment, described data processing module utilizes the radius of hough change detection line segment length and circular hole.
The present invention is a kind of based on embedded with the threaded hole parts measurement of machine vision and the beneficial effect of sorting equipment is:
1. invention increases production efficiency, reduce production cost, and application embedded technology, make system be convenient to carrying.
2. data processing module of the present invention by the size of surveyed part stored in database, can calculate qualification rate, facilitates the later stage to check and arrangement.
3. plug thread gauge of the present invention and expanding arbor not only can detect common parts profile, and can detect inserts, namely detect the hole depth of threaded hole, whether screw thread is qualified, whether verticality is qualified.
4. data processing module of the present invention passes through the radius of hough change detection line segment length and circular hole, and efficiency is high and accuracy good.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and specific implementation method, the present invention will be further described in detail.
Fig. 1 be the present invention a kind of based on embedded with the threaded hole parts measurement of machine vision and the structural representation of sorting equipment.
Fig. 2 be the present invention a kind of based on embedded with the threaded hole parts measurement of machine vision and the workflow diagram of sorting equipment.
In figure: production line 1; Embedded electrical control cabinet 2; Fixture holder 3; Fixture 4; Inserts 5; Data processing module 6; CMOS camera 6-1; Image processing module 6-2; Built-up mandrel 7; Plug thread gauge 8; Pneumatic manipulator 9; Off-sorting station 10.
Embodiment
Embodiment 1:
Below in conjunction with Fig. 1,2, the present embodiment is described, a kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment, its composition comprises: production line 1, embedded electrical control cabinet 2, fixture holder 3, fixture 4, inserts 5, data processing module 6, built-up mandrel 7, plug thread gauge 8, Pneumatic manipulator 9 and off-sorting station 10, is characterized in that: embedded electrical control cabinet 2 is the distribution control core of device.Fixture holder 3 has multiple, is all movably arranged in production line 1.Fixture 4 is fixedly installed on the centre of fixture holder 3.Inserts 5 is arranged on the centre of fixture 4.Data processing module 6 is the data sampling and processing of device and the core of record.Expanding arbor 7 is for detecting the verticality of part.Plug thread gauge 8 is for detecting the degree of depth of screw thread, measured hole.Pneumatic manipulator 9 is for adding, sorting part.
A kind of based on embedded with the threaded hole parts measurement of machine vision and the workflow of sorting equipment as follows:
Step 1 is placed part and is transmitted part in production line 1.
Step 2 data processing module 6 gathers part image, and carries out image procossing, calculates the radius of accessory appearance size and blind hole, and judges that whether it is qualified.
Step 3 plug thread gauge 8 detects the degree of depth in screw thread, hole, and whether the verticality that expanding arbor 7 detects part is qualified.
Step 4 Pneumatic manipulator 9 sort pieces O.K. and defective carry out subregion placement.
Step 5 repeats step 1-4, until the sorting of all parts is complete.
Embodiment 2:
A kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment described in embodiment 1, described plug thread gauge 8 can detect the hole depth of part threaded hole, whether screw thread is qualified, and whether the verticality that described expanding arbor 7 can detect part is qualified.
Embodiment 3:
A kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment described in embodiment 1, described data processing module 6 comprises CMOS camera 6-1 and image processing module 6-2.CMOS camera 6-1 completes the collection to part image, be transformed to gray level image, through medium filtering, noise spot in elimination image, through greyscale transformation, strengthen picture contrast, then through Threshold segmentation, by its binaryzation, the edge of part image is obtained by rim detection, by feature extraction, extract the straight line in image and circle, corresponding by physical size and Pixel Dimensions, carry out system calibrating, simultaneously for preventing pattern distortion, also to demarcate CMOS camera 6-1 in advance, determining the parameter of CMOS camera 6-1.
Embodiment 4:
A kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment described in embodiment 1, described plug thread gauge 8 and expanding arbor 7 are in same position, switch by rotating.
Embodiment 5:
A kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment described in embodiment 3, described CMOS camera 6-1 is USB3.0 direct plugging-in, greatly increases message transmission rate.
Embodiment 6:
A kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment described in embodiment 3, the LED light source that described image processing module 6-2 adopts is backlight, with the edge feature of outstanding measuring workpieces.
Embodiment 7:
A kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment described in embodiment 1, described data processing mould 6 pieces utilizes the radius of hough change detection line segment length and circular hole, and efficiency is higher and accuracy good.
Certain above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited only to above-mentioned citing, and the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also belong to protection scope of the present invention.
Claims (7)
1. one kind based on embedded threaded hole parts measurement with machine vision and sorting equipment, its composition comprises: production line (1), embedded electrical control cabinet (2), fixture holder (3), fixture (4), inserts (5), data processing module (6), built-up mandrel (7), plug thread gauge (8), Pneumatic manipulator (9) and off-sorting station (10), is characterized in that: the distribution control core that embedded electrical control cabinet (2) is device; Fixture holder (3) has multiple, is all movably arranged in production line (1); Fixture (4) is fixedly installed on the centre of fixture holder (3); Inserts (5) is arranged on the centre of fixture (4); Data processing module (6) is the data sampling and processing of device and the core of record; Expanding arbor (7) is for detecting the verticality of part; Plug thread gauge (8) is for detecting the degree of depth of screw thread, measured hole; Pneumatic manipulator (9) is for adding, sorting part;
A kind of based on embedded with the threaded hole parts measurement of machine vision and the workflow of sorting equipment as follows:
Step 1 is above placed part in production line (1) and is transmitted part.
Step 2 data processing module (6) gathers part image, and carries out image procossing, calculates the radius of accessory appearance size and blind hole, and judges that whether it is qualified.
Step 3 plug thread gauge (8) detects the degree of depth in screw thread, hole, and whether the verticality that expanding arbor (7) detects part is qualified.
Step 4 Pneumatic manipulator (9) sorting pieces O.K. and defective carry out subregion placement.
Step 5 repeats step 1-4, until the sorting of all parts is complete.
2. a kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment as claimed in claim 1, it is characterized in that: described plug thread gauge (8) can detect the hole depth of part threaded hole, whether screw thread is qualified, whether the verticality that described expanding arbor (7) can detect part is qualified.
3. a kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment as claimed in claim 1, it is characterized in that: described data processing module (6) comprises CMOS camera (6-1) and image processing module (6-2).
4. a kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment as claimed in claim 1, it is characterized in that: described plug thread gauge (8) and expanding arbor (7) are in same position, switching by rotating.
5. a kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment as claimed in claim 3, it is characterized in that: CMOS camera (6-1) used is USB3.0 direct plugging-in.
6. a kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment as claimed in claim 3, it is characterized in that: the LED light source that described image processing module (6-2) adopts is backlight.
7. a kind of based on embedded threaded hole parts measurement with machine vision and sorting equipment as claimed in claim 1, it is characterized in that: described data processing module (6) utilizes the radius of hough change detection line segment length and circular hole.
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| CN201510556842.XA CN105043262A (en) | 2015-09-02 | 2015-09-02 | Threaded hole component measuring and sorting device based on embedded and machine vision |
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| CN201510556842.XA CN105043262A (en) | 2015-09-02 | 2015-09-02 | Threaded hole component measuring and sorting device based on embedded and machine vision |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571490A (en) * | 2016-01-08 | 2016-05-11 | 深圳控石智能***有限公司 | Screw fixing detection facility and application method thereof |
| CN106313074A (en) * | 2016-10-21 | 2017-01-11 | 苏州绿的谐波传动科技有限公司 | Visual guidance robot automatic thread detection system |
| CN107167100A (en) * | 2017-05-15 | 2017-09-15 | 武汉捷众汽车零部件有限公司 | A kind of screwed hole two-dimensional position degree on-line automaticization measuring method |
| CN108362362A (en) * | 2018-01-31 | 2018-08-03 | 北京戴纳实验科技有限公司 | Part preliminary examination examining system |
| CN108534677A (en) * | 2018-04-24 | 2018-09-14 | 苏州紫冠自动化设备有限公司 | It is a kind of to realize the linear industrial machine robot mechanism for automating porous detection |
| CN108716890A (en) * | 2018-08-17 | 2018-10-30 | 苏州富鑫林光电科技有限公司 | A kind of high-precision size detecting method based on machine vision |
| CN109048921A (en) * | 2018-09-30 | 2018-12-21 | 南京泉峰汽车精密技术股份有限公司 | Mold insert grasping means based on robot vision identification |
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| CN105571490A (en) * | 2016-01-08 | 2016-05-11 | 深圳控石智能***有限公司 | Screw fixing detection facility and application method thereof |
| CN106313074A (en) * | 2016-10-21 | 2017-01-11 | 苏州绿的谐波传动科技有限公司 | Visual guidance robot automatic thread detection system |
| CN106313074B (en) * | 2016-10-21 | 2018-10-02 | 苏州绿的谐波传动科技有限公司 | A kind of vision guide robot automatic thread detecting system |
| CN107167100A (en) * | 2017-05-15 | 2017-09-15 | 武汉捷众汽车零部件有限公司 | A kind of screwed hole two-dimensional position degree on-line automaticization measuring method |
| CN108362362A (en) * | 2018-01-31 | 2018-08-03 | 北京戴纳实验科技有限公司 | Part preliminary examination examining system |
| CN108534677A (en) * | 2018-04-24 | 2018-09-14 | 苏州紫冠自动化设备有限公司 | It is a kind of to realize the linear industrial machine robot mechanism for automating porous detection |
| CN108534677B (en) * | 2018-04-24 | 2023-12-29 | 苏州紫冠自动化设备有限公司 | Linear industrial robot for realizing automatic multi-hole detection |
| CN108716890A (en) * | 2018-08-17 | 2018-10-30 | 苏州富鑫林光电科技有限公司 | A kind of high-precision size detecting method based on machine vision |
| CN109048921A (en) * | 2018-09-30 | 2018-12-21 | 南京泉峰汽车精密技术股份有限公司 | Mold insert grasping means based on robot vision identification |
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