CN107192718A - A kind of apparatus and method of cylinder and cone surface Scanning Detction - Google Patents
A kind of apparatus and method of cylinder and cone surface Scanning Detction Download PDFInfo
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- CN107192718A CN107192718A CN201710336221.XA CN201710336221A CN107192718A CN 107192718 A CN107192718 A CN 107192718A CN 201710336221 A CN201710336221 A CN 201710336221A CN 107192718 A CN107192718 A CN 107192718A
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- camera
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- light supply
- supply apparatus
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
Abstract
The present invention relates to the apparatus and method of a kind of cylinder and cone surface Scanning Detction.The present invention includes spiral lever apparatus, camera apparatus, light supply apparatus, fibre optical sensor and base.Described spiral lever apparatus, camera apparatus, light supply apparatus, fibre optical sensor are arranged on base.Spiral lever apparatus is located at the middle part of base, and camera apparatus is located at the side of spiral lever apparatus, and light supply apparatus, fibre optical sensor are located at the opposite side of spiral lever apparatus.Camera apparatus, light supply apparatus, fibre optical sensor are staggered along spiral lever apparatus.The present invention uses cleverly mechanical structure and Mechanical ＆ Electrical Transmission, so that whole mechanism becomes highly versatile, the detection of cylinder and circular conical surface can be applicable simultaneously by related adjusting means, it is with low cost, detected simultaneously using the method for machine vision, secondary injury will not be produced to object to be detected, compared to artificial detection, there is a high efficiency, the advantage such as less harmful.
Description
Technical field
The invention belongs to cylinder and cone surface detection technique field, it is related to a kind of cylinder and cone surface Scanning Detction
Apparatus and method.
Background technology
With the development of design and manufacturing technology, machine components penetrate into the every aspect of people's production and living with equipment, directly
Connect and affect national economy, national defense safety, as the indispensable part of contemporary society.Wherein, Small Cylindrical body has been justified
The machine components such as cone are because its intrinsic characteristic is extensively using communications and transportation, lathe, precision instrument and equipment etc., and what is had plays support
Mechanical body rotates, the coefficient of friction in reduction motion process, and ensures the effect of its rotating accuracy, such as bearing；Playing for having is fixed
Position and the effect being connected, such as straight pin；Although China manufacturing technology obtains tremendous development and progress, detection technique is but not
There is to obtain due raising, so as to cause production efficiency low, cost is improved, bring greatly unfavorable to enterprise.
For now, detection of many medium-sized and small enterprises to column-shape showering and conical surface body part is detected using artificial, at this
Plant in intense light irradiation, the environment of strong and stimulating has this serious infringement to the body of workpeople, dizziness occurs, and poisoning, eyesight is rapid
The situations such as reduction, while for enterprise, the method efficiency manually detected is very low, with the raising of human cost, to enterprise
Industry is also a kind of greatly burden.
The use of cylinder and the method and apparatus of conical surface surface scan detection, by feat of low cost, high efficiency, harmless etc.
Good characteristic, will substantially reduce enterprise's production cost, improves the work situation of workman, raises labour productivity, with certain
Social benefit, economic implications and wide application prospect.
The content of the invention
It is an object of the invention to provide the apparatus and method of a kind of cylinder and cone surface Scanning Detction.
The present invention includes spiral lever apparatus, camera apparatus, light supply apparatus, fibre optical sensor and base.Described screw rod
Device, camera apparatus, light supply apparatus, fibre optical sensor are arranged on base.Spiral lever apparatus is located at the middle part of base, camera
Device is located at the side of spiral lever apparatus, and light supply apparatus, fibre optical sensor are located at the opposite side of spiral lever apparatus.Camera apparatus,
Light supply apparatus, fibre optical sensor are staggered along spiral lever apparatus.
Spiral lever apparatus includes driving motor, gear pair and a pair of screw rods.A pair of screw rods are set in parallel on base；
Gear pair is made up of a driving gear with two driven gears.Driving motor is arranged on the middle part of the lateral edges of base one, transmission
The output shaft of motor is connected with driving gear, drives driving gear to rotate.Two driven gears are arranged on the both sides of driving gear,
Engaged respectively at the both sides of driving gear.One end of a pair of screw rods is connected with two driven gears respectively, a pair of screw rods
The other end is arranged on the offside that base sets driving motor side by bearing.Driving motor drives driving gear to rotate, driving tooth
Wheel, which is rotated, drives two driven gears to rotate in same direction, and two driven gears drive a pair of connected therewith screw rods to do in the same direction
Rotary motion.
Described camera apparatus includes camera apparatus base, camera adjustable support, camera mounting platform and line-scan digital camera.Phase
Machine device pedestal is vertically set on the centre position for being located at screw rod device side on base, and camera adjustable support is revolved by finely tuning
Button is connected with camera apparatus base.Ball screw is provided with camera adjustable support, camera mounting platform is vertical along ball screw
It is mobile.Camera mounting platform is vertically arranged with camera adjustable support, and one end of camera mounting platform is fixedly connected with ball screw,
The other end is located at the top of two screw rod middle gaps.Line-scan digital camera, linear array phase are installed on the other end of camera mounting platform
Machine is vertically set on the other end of camera mounting platform, and camera lens align with two screw rod middle gaps.Camera mounting platform
Install and be provided with arc adjustment hole at line-scan digital camera.Polarizer is provided with the camera lens of line-scan digital camera.
Described light supply apparatus includes light supply apparatus base, support bar, fine adjustment stage and light source；Light supply apparatus base is set
In the opposite side of spiral lever apparatus, support bar is vertically set on light supply apparatus base, and one end is connected with light supply apparatus base, separately
One end inwall is provided with fine adjustment stage, and light source is arranged in fine adjustment stage, can rotated along mount point.Light source is arranged on camera mirror
The side of head, light source uses industrial camera light source.
Described fibre optical sensor is arranged on the opposite side and light supply apparatus base parallel position of spiral lever apparatus.Optical fiber is passed
Sensor includes power port and FPDP, and power port is connected with electrical source of power, and FPDP is connected with microcontroller, uses
In the position of detection measured workpiece.
2mm-3mm gap is left between two described screw rods.
Preferably, described line-scan digital camera is connected through a screw thread with camera mounting platform.The phase of described line-scan digital camera
Machine camera lens is connected through a screw thread with polarizer.
A kind of cylinder and the method for cone face surface scan detection, it is characterised in that：
Described motor output shaft is connected with driving gear, is engaged with two driven gears being connected with two screw rods, works as motor
During operating, two screw rods are driven to do the motion of equidirectional.Measured workpiece is placed between the helix of double-helical screw mechanism projection,
In the operating of motor, itself rotated while driving measured workpiece to move along a straight line.
When measured workpiece is moved under fibre optical sensor, Fiber-optic Sensors with Data port level changes and by microcontroller
Detected, microcontroller sends testee by serial ports to host computer will enter the instruction in shooting area.Work as testee
Line-scan digital camera shooting area is reached, host computer carries out IMAQ by CamareLink card controls camera.
The mode of IMAQ：Motor rotates some step angles and once gathered, the data that line-scan digital camera is once gathered
For the image of the line of a line, i.e., one；When testee spin collection of circling is finished, host computer carries out image synthesis, and pairing
Into image analyzed and processed.
The present invention uses cleverly mechanical structure and Mechanical ＆ Electrical Transmission so that whole mechanism becomes highly versatile, can pass through phase
The adjusting means of pass is applicable the detection of cylinder and circular conical surface simultaneously, with low cost, while being examined using the method for machine vision
Survey, secondary injury will not be produced to object to be detected, compared to artificial detection, there is a high efficiency, the advantage such as less harmful.In addition, should
The method for designing application image processing, compared to traditional detection method, such as Magnetic testing, EDDY CURRENT etc. can not only be detected whether
Existing defects, at the same can analyzing defect type, position and the extent of damage can be used for enterprise for the low object of degree of injury
Process again, reduce entreprise cost, while the work situation of workman can be improved, raise labour productivity, with certain society
Benefit, economic implications and wide application prospect.Detectable Small Cylindrical face and circular conical surface surface defect, with low cost,
High efficiency, it is harmless to wait good characteristic.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the structural representation of spiral lever apparatus in Fig. 1；
Fig. 3 is the structural representation of camera apparatus in Fig. 1；
Fig. 4 is the structural representation of light supply apparatus in Fig. 1.
Embodiment
As shown in Figure 1, a kind of device of cylinder and cone surface Scanning Detction include spiral lever apparatus 1, camera apparatus 2,
Light supply apparatus 3, fibre optical sensor 16 and base 4.Spiral lever apparatus 1, camera apparatus 2, light supply apparatus 3, fibre optical sensor 16 are equal
It is arranged on base 4.Spiral lever apparatus 1 is located at the middle part of base 4, and camera apparatus 2 is located at the side of spiral lever apparatus 1, light source
Device 3, fibre optical sensor 16 are located at the opposite side of spiral lever apparatus 1.Camera apparatus 2, light supply apparatus 3, the edge of fibre optical sensor 16
Spiral lever apparatus 1 is staggered.
As shown in Fig. 2 spiral lever apparatus 1 includes driving motor 5, gear pair 6 and a pair of screw rods 7.A pair of screw rods are put down
Row is arranged on base 4, and 2mm-3mm gap is left between two screw rods；Gear pair 6 by a driving gear 6-1 and two from
Moving gear 6-2 is constituted.Driving motor 5 is arranged on the middle part of the lateral edges of base 4 one, the output shaft and driving gear of driving motor 5
6-1 connections, drive driving gear to rotate.Two driven gears are arranged on driving gear 6-1 both sides, respectively at driving gear 6-
1 both sides engagement.One end of a pair of screw rods 7 is connected with two driven gears respectively, and the other end of a pair of screw rods 7 passes through axle
Hold and be arranged on the offside that base 4 sets the side of driving motor 5.
Driving motor 5 drives driving gear 6-1 to rotate, and driving gear 6-1, which is rotated, drives two driven gear 6-2 to do in the same direction
Rotate, two driven gear 6-2 drive a pair of screw rods 7 connected therewith to do rotary motion in the same direction；So that being placed in it
Cylinder or cone measured workpiece between spiral salient along screw rod move while spinning campaign.
As shown in figure 3, camera apparatus 2 includes camera apparatus base 8, camera adjustable support 9, camera mounting platform 10 and line
Array camera 11.Camera apparatus base 8 is vertically set on the centre position for being located at the side of screw rod device 1 on base 9, camera adjustments
Support 9 is connected by vernier knob 9-1 with camera apparatus base 8.The lateral inclination angle of camera is adjusted vernier knob 9-1,
Coordinate light supply apparatus 3, light is more preferably more uniformly captured by a camera.Ball screw 9-2 is provided with camera adjustable support 9,
Camera mounting platform 10 is vertically moved along ball screw 9-2.Camera mounting platform 10 is vertically arranged with camera adjustable support 9, phase
One end of machine mounting platform 10 is fixedly connected with ball screw 9-2, and the other end is located at the top of two screw rod middle gaps.Camera
Line-scan digital camera 11 is installed, line-scan digital camera 11 is vertically set on the another of camera mounting platform 10 on the other end of mounting platform 10
End, camera lens 11-1 aligns with two screw rod middle gaps.Camera mounting platform 10 is installed and is provided with arc at line-scan digital camera 11
Adjustment hole 11-2, line-scan digital camera 11 is connected through a screw thread with camera mounting platform 10.Pass through the adjustable nodel lines of arc adjustment hole 11-2
The relative luffing angle of camera mounting platform 10 of array camera 11.It has been connected through a screw thread at the camera lens 11-1 of line-scan digital camera 11
Polarizer 11-2, reduces ambient light according to the influence to detection, it is ensured that the good photoenvironment of camera, while also serving as improving detection
The precondition of precision.
As shown in figure 4, light supply apparatus 3 includes light supply apparatus base 12, support bar 13, fine adjustment stage 14 and light source 15；Light
Source device base 12 is arranged on the opposite side of spiral lever apparatus 1, and support bar 13 is vertically set on light supply apparatus base 12, one end
It is connected with light supply apparatus base 12, other end inwall is provided with fine adjustment stage 14, light source 15 is arranged in fine adjustment stage 14, can
Rotated along mount point.Light source 15 is arranged on camera lens 11-1 side, plays polishing.Light source 15 uses industrial camera light
Source, its light typed it out is straight line.
Before Scanning Detction measured workpiece, by vernier knob and arc adjustment hole camera lens are surveyed with being needed by side workpiece
The axle alignment in face, and adjusts light source so that the line light that light source is got aligns coincidence with that need to be surveyed the axle in face by side workpiece.
Fibre optical sensor 16 is arranged on the opposite side and the parallel position of light supply apparatus base 12 of spiral lever apparatus 1.Optical fiber is passed
Sensor 16 includes power port and FPDP, and power port is connected with electrical source of power, and FPDP is connected with microcontroller,
Position for detecting measured workpiece, when measured workpiece reaches 16 detection range of fibre optical sensor, FPDP level occurs
Reversion, is detected by the interrupt mechanism of microcontroller and is gathered being sent the instruction of image to host computer.
Based on said structure, the method for obtaining a kind of following cylinder and the detection of cone face surface scan：
Be connected gear on motor output shaft, is engaged with two gears being connected with two screw rods, when motor is operated, and drives two
Screw rod does the motion of equidirectional.Measured workpiece is placed between the helix of double-helical screw mechanism projection, in the operating of motor,
Itself rotated while driving measured workpiece to move along a straight line.
When measured workpiece is moved under fibre optical sensor, Fiber-optic Sensors with Data port level changes and by microcontroller
Detected, microcontroller sends testee by serial ports to host computer will enter the instruction in shooting area.Work as testee
Line-scan digital camera shooting area is reached, host computer carries out IMAQ by CamareLink card controls camera.
The mode of IMAQ：Motor rotates some step angles and carries out once gathering the (data that line-scan digital camera is once gathered
For the image of the line of a line, i.e., one), when testee spin collection of circling is finished, host computer carries out image synthesis, and pairing
Into image analyzed and processed.
Claims (5)
1. the device of a kind of cylinder and cone surface Scanning Detction, including spiral lever apparatus, camera apparatus, light supply apparatus, optical fiber
Sensor and base；It is characterized in that：Described spiral lever apparatus, camera apparatus, light supply apparatus, fibre optical sensor are arranged at
On base；Spiral lever apparatus is located at the middle part of base, and camera apparatus is located at the side of spiral lever apparatus, and light supply apparatus, optical fiber are passed
Sensor is located at the opposite side of spiral lever apparatus；Camera apparatus, light supply apparatus, fibre optical sensor are staggered along spiral lever apparatus；
Spiral lever apparatus includes driving motor, gear pair and a pair of screw rods；A pair of screw rods are set in parallel on base；Gear
Pair is made up of a driving gear with two driven gears；Driving motor is arranged on the middle part of the lateral edges of base one, driving motor
Output shaft be connected with driving gear, drive driving gear rotate；Two driven gears are arranged on the both sides of driving gear, respectively
Engaged in the both sides of driving gear；One end of a pair of screw rods is connected with two driven gears respectively, a pair of screw rods it is another
Hold and the offside that base sets driving motor side is arranged on by bearing；Driving motor drives driving gear to rotate, driving tooth rotation
Dynamic to drive two driven gears to rotate in same direction, two driven gears drive a pair of connected therewith screw rods to do rotation in the same direction
Motion；
Described camera apparatus includes camera apparatus base, camera adjustable support, camera mounting platform and line-scan digital camera；Camera is filled
Bottom set seat be vertically set on base be located at screw rod device side centre position, camera adjustable support by vernier knob with
Camera apparatus base is connected；Ball screw is provided with camera adjustable support, camera mounting platform is vertically moved along ball screw；
Camera mounting platform is vertically arranged with camera adjustable support, and one end of camera mounting platform is fixedly connected with ball screw, another
End is positioned at the top of two screw rod middle gaps；Line-scan digital camera is installed, line-scan digital camera hangs down on the other end of camera mounting platform
The straight other end for being arranged on camera mounting platform, camera lens align with two screw rod middle gaps；Camera mounting platform is installed
Arc adjustment hole is provided with line-scan digital camera；Polarizer is provided with the camera lens of line-scan digital camera；
Described light supply apparatus includes light supply apparatus base, support bar, fine adjustment stage and light source；Light supply apparatus base is arranged on spiral shell
The opposite side of swing arm device, support bar is vertically set on light supply apparatus base, and one end is connected with light supply apparatus base, the other end
Inwall is provided with fine adjustment stage, and light source is arranged in fine adjustment stage, can rotated along mount point；Light source is arranged on camera lens
Side, light source uses industrial camera light source；
Described fibre optical sensor is arranged on the opposite side and light supply apparatus base parallel position of spiral lever apparatus；Fibre optical sensor
Comprising power port and FPDP, power port is connected with electrical source of power, and FPDP is connected with microcontroller, for examining
Survey the position of measured workpiece.
2. a kind of cylinder and the method for cone face surface scan detection, it is characterised in that：
Described motor output shaft is connected with driving gear, is engaged with two driven gears being connected with two screw rods, when motor operating
When, drive two screw rods to do the motion of equidirectional；Measured workpiece is placed between the helix of double-helical screw mechanism projection, in electricity
During the operating of machine, itself rotated while driving measured workpiece to move along a straight line；
When measured workpiece is moved under fibre optical sensor, Fiber-optic Sensors with Data port level changes and examined by microcontroller
Measure, microcontroller sends testee by serial ports to host computer will enter the instruction in shooting area；When testee is reached
Line-scan digital camera shooting area, host computer carries out IMAQ by CamareLink card controls camera；
The mode of IMAQ：Motor rotates some step angles and once gathered, and the data that line-scan digital camera is once gathered are one
OK, i.e., the image of one line；When testee spin collection of circling is finished, host computer carries out image synthesis, and to synthesis
Image is analyzed and processed.
3. a kind of device of cylinder and cone surface Scanning Detction as claimed in claim 1, it is characterised in that：Two described spiral shells
2mm-3mm gap is left between swing arm.
4. a kind of device of cylinder and cone surface Scanning Detction as claimed in claim 1, it is characterised in that：Described linear array
Camera is connected through a screw thread with camera mounting platform.
5. a kind of device of cylinder and cone surface Scanning Detction as claimed in claim 1, it is characterised in that：Described linear array
The camera lens of camera are connected through a screw thread with polarizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710336221.XA CN107192718A (en) | 2017-05-13 | 2017-05-13 | A kind of apparatus and method of cylinder and cone surface Scanning Detction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710336221.XA CN107192718A (en) | 2017-05-13 | 2017-05-13 | A kind of apparatus and method of cylinder and cone surface Scanning Detction |
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| Publication Number | Publication Date |
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| CN107192718A true CN107192718A (en) | 2017-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710336221.XA Pending CN107192718A (en) | 2017-05-13 | 2017-05-13 | A kind of apparatus and method of cylinder and cone surface Scanning Detction |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655967A (en) * | 2017-10-27 | 2018-02-02 | 无锡万奈特测量设备有限公司 | A kind of electromagnetic eddy carrying out flaw detection device for bent axle |
| CN109307678A (en) * | 2018-10-30 | 2019-02-05 | 华南理工大学 | A kind of taper spinning part ridging defect on-line measuring device and method |
| CN109765231A (en) * | 2019-01-23 | 2019-05-17 | 苏州智能制造研究院有限公司 | A kind of appearance detection system based on machine vision |
| CN110116096A (en) * | 2019-06-11 | 2019-08-13 | 彭倜 | Pearl sorting system and method |
| CN111398172A (en) * | 2020-03-31 | 2020-07-10 | 深圳康佳电子科技有限公司 | 3D visual detection equipment and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107655967A (en) * | 2017-10-27 | 2018-02-02 | 无锡万奈特测量设备有限公司 | A kind of electromagnetic eddy carrying out flaw detection device for bent axle |
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| CN111398172A (en) * | 2020-03-31 | 2020-07-10 | 深圳康佳电子科技有限公司 | 3D visual detection equipment and method |
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