CN207894381U - Worm shaft inspecting device of symmetry of key groove based on machine vision - Google Patents
Worm shaft inspecting device of symmetry of key groove based on machine vision Download PDFInfo
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- CN207894381U CN207894381U CN201820135666.1U CN201820135666U CN207894381U CN 207894381 U CN207894381 U CN 207894381U CN 201820135666 U CN201820135666 U CN 201820135666U CN 207894381 U CN207894381 U CN 207894381U
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- China
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- longitudinal rail
- light source
- slide way
- cross slide
- conveyer belt
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Abstract
The utility model discloses a kind of worm shaft inspecting device of symmetry of key groove based on machine vision.The utility model includes motor, conveyer belt, two-dimentional guide rail, the computer with capture card, workbench, connecting plate, camera fixed frame, CCD industrial cameras, light source fixing frame, shadow-free light source, photoelectric sensor, worm screw, gauge block, mechanical arm, sorting case, holder.A kind of worm shaft inspecting device of symmetry of key groove and method based on machine vision in the utility model can be simplified measurement process, be improved accuracy of measurement using the method for machine vision.
Description
Technical field
The utility model is related to a kind of axle keyway symmetry detection devices, more particularly, to a kind of snail based on machine vision
Bar axle keyway symmetry detects detection device.
Background technology
In various mechanical equipments, torque and action are transmitted as coupling mechanism commonly using flat key, torque need to pass through key
It is transmitted with the side of keyway.Contact that good, key stand under load is uniform, mechanism is reliable for operation and dimension in order to ensure key with key slot side
It is convenient to be replaced when repairing, and the correct keyway symmetry error that detects is of great significance.
Key uses relatively broad with the structure that keyway coordinates in Automatic manual transmission transmission, and the processing quality of keyway directly affects
The overproof of assembling quality, especially symmetry, the failure that cannot be assembled usually is caused.Axis, hole keyway machining accuracy are very heavy
It wants, especially the precision measure of axle keyway symmetry, width of keyway, will have a direct impact on the technical performance after key connecting assembly.
Currently, axle keyway symmetry measurement method mainly uses V shapes iron, tablet, dial gauge and gauge stand to measure, this side
Method is known as " signing method ".This method is inconvenient, measures cumbersome, poor reliability.Measurement of the workshop processing site to keyway
Generally use two methods of keyway feeler gauge or vernier caliper.Both measurement methods cannot all meet the higher splined precision of precision and measure
Requirement；The higher keyway of precision is processed, Site Detection means cannot be satisfied requirement.
Invention content
For the deficiency of background technology, the purpose of this utility model is to provide a kind of worm screw axle key based on machine vision
Slot device for detecting symmetry degree.
Technical solution adopted by the utility model to solve its technical problems is：
The utility model by motor, conveyer belt, connecting plate, lateral servo motor, cross slide way, with the calculating of capture card
Machine, workbench, fixed plate, servo longitudinal motor, longitudinal rail, longitudinal rail sliding block, camera fixed frame, CCD industrial cameras, light
Source fixed frame, shadow-free light source, cross slide way slide block, photoelectric sensor, gauge block, mechanical arm, sorting case and holder composition.
The worm screw to be measured uniform motion on the conveyer belt, the gauge block are put into the worm screw shaft key groove；
The motor is fixed below the conveyer belt；The conveyer belt is placed on the ground, and the workbench is placed on institute
The conveyer belt both sides stated；The computer with capture card is placed on the workbench, and the cross slide way passes through
The connecting plate is fixed on the right side of the computer with capture card, the longitudinal rail and the cross slide way slide block
（Connection, the longitudinal rail are fixed by the fixed plate；The lateral servo motor is connected to the transverse direction and leads
On the left of rail, the cross slide way slide block can move left and right；The servo longitudinal motor is connected to the longitudinal rail
Top；The longitudinal rail sliding block is connected on the longitudinal rail, and the longitudinal rail sliding block is in the longitudinal direction
Guide rail（10）On move up and down；The CCD industrial cameras are connected to a longitudinal rail by the camera fixed frame and slide
On block；The CCD industrial cameras are moved up and down with the longitudinal rail, and the CCD industrial cameras are with described
Cross slide way moves left and right；The shadow-free light source（It is connected to another longitudinal rail sliding block by the light source fixing frame
On；The shadow-free light source is moved up and down with the longitudinal rail, and the shadow-free light source is with the cross slide way
It moves left and right；The photoelectric sensor is placed on the portal trestle；The mechanical arm is placed on the conveying
On workbench with left side, the sorting case is placed on the left of the mechanical arm.
Compared with the background art, the utility model has the beneficial effects that：
1. a kind of worm shaft inspecting device of symmetry of key groove based on machine vision in the utility model solves tradition
The detection method measurement process using tablet, V types block, gauge block, dial gauge etc. is complicated, problem that accuracy is low, simplify and measure
Process improves accuracy.
2. axle keyway symmetry error is one of common detection project of axial workpiece, according to GB/T1958-2004
Definition of the national standard to keyway symmetry measures the symmetry of shaft key groove by V shapes iron, tablet, dial gauge, gauge block etc.
Afterwards, it need to be calculated by formula and acquire symmetry error value, the detection method of the utility model is that axle keyway symmetry is detected and evaluated
Provide a kind of new device and method.
3. realizing automatic detection and sorting, a large amount of manpowers are saved, measurement accuracy is improved.
Description of the drawings
Fig. 1 is the structural perspective of the utility model；
Fig. 2 is the work flow diagram of the utility model.
Specific implementation mode
The utility model is further described below in conjunction with attached drawing.
As shown in Figure 1, the utility model is adopted by motor 1, conveyer belt 2, connecting plate 3, servo motor 4, cross slide way 5, band
Computer 6, workbench 7, fixed plate 8, servo motor 9, longitudinal rail 10, longitudinal rail sliding block 11, the camera fixed frame of truck
12, CCD industrial cameras 13, longitudinal rail sliding block 14, light source fixing frame 15, shadow-free light source 16, cross slide way slide block 17, photoelectric transfer
Sensor 18, gauge block 20, mechanical arm 21, sorting case 22 and holder 23 form.
The worm screw 19 to be measured uniform motion on the conveyer belt 2, the gauge block 20 are connected to the worm screw 19
In shaft key groove；The motor 1 is fixed by screws in 2 lower section of the conveyer belt；The conveyer belt 2 is placed on the ground,
The workbench 7 is placed on 2 both sides of conveyer belt；The computer 6 with capture card is placed on the work
On platform 7, the cross slide way 5 is connected to 6 right side of computer with capture card by the connecting plate 3, described
Longitudinal rail 10 is connect with the cross slide way slide block 17, and the longitudinal rail 10 is fixed by the fixed plate 8；Institute
The servo motor 4 stated is connected to 5 left side of cross slide way, and the cross slide way slide block 17 can move left and right；It is described
Servo motor 9 be connected to 10 top of longitudinal rail；The longitudinal rail sliding block 11,14 is connected to the longitudinal direction
On guide rail 10, the longitudinal rail sliding block 11,14 moves up and down on the longitudinal rail 10；The CCD industry phases
Machine 13 is connected to by the camera fixed frame 12 on the longitudinal rail sliding block 11；The CCD industrial cameras 13 with
It the longitudinal rail 10 to move up and down, the CCD industrial cameras 13 are moved left and right with the cross slide way 5；Institute
The shadow-free light source 16 stated is connected to by the light source fixing frame 15 on the longitudinal rail sliding block 14；The shadow-free light
Source 16 is moved up and down with the longitudinal rail 10, and the shadow-free light source 16 is moved left and right with the cross slide way 5；
The photoelectric sensor 18 is placed on the holder 23；The mechanical arm 21 is placed on 2 left side of conveyer belt
Workbench on, the sorting case 22 is placed on 21 left side of mechanical arm.
As shown in Fig. 2, matched gauge block is put into worm screw shaft key groove, worm screw is conveying the workflow of the utility model
Uniform motion is taken, shadow-free light source and CCD industrial cameras, when worm screw passes through holder, photoelectric sensor are adjusted by two-dimentional guide rail
Signal is sent out, CCD industrial cameras acquire image at this time, and call the image processing program of MATLAB softwares in PC machine, then right
The image collected carries out image procossing and image measurement, finally carries out symmetry evaluation, and wherein image processing program is image
Segmentation is fitted the center of circle and radius, solves keyway depth h and symmetry distance d, finally according to national standard, carries out symmetry evaluation, sentences
It is disconnected whether qualified.According to national standard, judge whether hole keyway symmetry is qualified, if qualified, as conveyer belt continues to convey, if not conforming to
Lattice, mechanical arm gripping place it in sorting case.
Claims (1)
1. the worm shaft inspecting device of symmetry of key groove based on machine vision, by motor（1）, conveyer belt（2）, connecting plate（3）, it is horizontal
To servo motor（4）, cross slide way（5）, computer with capture card（6）, workbench（7）, fixed plate（8）, servo longitudinal electricity
Machine（9）, longitudinal rail（10）, longitudinal rail sliding block（11、14）, camera fixed frame（12）, CCD industrial cameras（13）, light source it is solid
Determine frame（15）, shadow-free light source（16）, cross slide way slide block（17）, photoelectric sensor（18）, gauge block（20）, mechanical arm（21）, point
Pick case（22）, portal trestle（23）Composition, it is characterised in that：
Worm screw to be measured（19）In the conveyer belt（2）Upper uniform motion, the gauge block（20）It is put into the worm screw
（19）In shaft key groove；The motor（1）It is fixed on the conveyer belt（2）Lower section；The conveyer belt（2）It is placed on ground
On, the workbench（7）It is placed on the conveyer belt（2）Both sides；The computer with capture card（6）It is placed on institute
The workbench stated（7）On, the cross slide way（5）Pass through the connecting plate（3）It is fixed on the meter with capture card
Calculation machine（6）Right side, the longitudinal rail（10）With the cross slide way slide block（17）Connection, the longitudinal rail（10）It is logical
Cross the fixed plate（8）It is fixed；The lateral servo motor（4）It is connected to the cross slide way（5）Left side, it is described
Cross slide way slide block（17）It can move left and right；The servo longitudinal motor（9）It is connected to the longitudinal rail（10）On
Side；The longitudinal rail sliding block（11、14）It is connected to the longitudinal rail（10）On, the longitudinal rail sliding block（11、
14）In the longitudinal rail（10）On move up and down；The CCD industrial cameras（13）Pass through the camera fixed frame
（12）It is connected to the longitudinal rail sliding block（11）On；The CCD industrial cameras（13）With the longitudinal rail
（10）It moves up and down, the CCD industrial cameras（13）With the cross slide way（5）It moves left and right；The shadow-free light
Source（16）Pass through the light source fixing frame（15）It is connected to the longitudinal rail sliding block（14）On；The shadow-free light source
（16）With the longitudinal rail（10）It moves up and down, the shadow-free light source（16）With the cross slide way（5）It is left
It moves right；The photoelectric sensor（18）It is placed on the portal trestle（23）On；The mechanical arm（21）It is placed on
The conveyer belt（2）On the workbench in left side, the sorting case（22）It is placed on the mechanical arm（21）Left side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820135666.1U CN207894381U (en) | 2018-01-26 | 2018-01-26 | Worm shaft inspecting device of symmetry of key groove based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820135666.1U CN207894381U (en) | 2018-01-26 | 2018-01-26 | Worm shaft inspecting device of symmetry of key groove based on machine vision |
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| Publication Number | Publication Date |
|---|---|
| CN207894381U true CN207894381U (en) | 2018-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820135666.1U Active CN207894381U (en) | 2018-01-26 | 2018-01-26 | Worm shaft inspecting device of symmetry of key groove based on machine vision |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737887A (en) * | 2018-12-17 | 2019-05-10 | 电子科技大学 | Intelligent measurement based on machine vision matches platform |
| CN110006369A (en) * | 2018-12-06 | 2019-07-12 | 浙江大学台州研究院 | Rotor concentricity automatic detection device |
| CN110425990A (en) * | 2019-08-14 | 2019-11-08 | 西北工业大学 | A kind of hole diameter detection apparatus based on monocular vision camera |
| CN111272770A (en) * | 2020-02-18 | 2020-06-12 | 长沙师范学院 | Product detection device based on machine vision |
| CN113237441A (en) * | 2021-05-13 | 2021-08-10 | 江苏理工学院 | Rotor tooth profile centering detection device and detection method |
-
2018
- 2018-01-26 CN CN201820135666.1U patent/CN207894381U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006369A (en) * | 2018-12-06 | 2019-07-12 | 浙江大学台州研究院 | Rotor concentricity automatic detection device |
| CN109737887A (en) * | 2018-12-17 | 2019-05-10 | 电子科技大学 | Intelligent measurement based on machine vision matches platform |
| CN110425990A (en) * | 2019-08-14 | 2019-11-08 | 西北工业大学 | A kind of hole diameter detection apparatus based on monocular vision camera |
| CN111272770A (en) * | 2020-02-18 | 2020-06-12 | 长沙师范学院 | Product detection device based on machine vision |
| CN113237441A (en) * | 2021-05-13 | 2021-08-10 | 江苏理工学院 | Rotor tooth profile centering detection device and detection method |
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