CN109187554A - A kind of image multi-diameter shaft casting skin detection device - Google Patents
A kind of image multi-diameter shaft casting skin detection device Download PDFInfo
- Publication number
- CN109187554A CN109187554A CN201811087450.3A CN201811087450A CN109187554A CN 109187554 A CN109187554 A CN 109187554A CN 201811087450 A CN201811087450 A CN 201811087450A CN 109187554 A CN109187554 A CN 109187554A
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- positioning
- casting skin
- positioning pin
- diameter shaft
- plate
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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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/28—Measuring arrangements characterised by the use of optical techniques for measuring areas
-
- 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
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/952—Inspecting the exterior surface of cylindrical bodies or wires
-
- 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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8854—Grading and classifying of flaws
- G01N2021/8874—Taking dimensions of defect into account
-
- 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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Signal Processing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
A kind of image multi-diameter shaft casting skin detection device, including detection platform, the detection platform is equipped with testing agency, the testing agency includes locating platform, positioning device, bottom surface rotary components, imaging sensor and host computer handle display device, the positioning device includes upper positioning pin and lower positioning pin, position clamping cylinder, circumferentially positioned sensor and the positioning plate for being used to support cylinder, the positioning plate is arranged on the locating platform, the upper positioning pin and lower positioning pin are corresponding up and down, the side of the positioning plate is set, the upper end of the positioning plate is arranged in the positioning clamping cylinder, so that the telescopic end of the positioning clamping cylinder is connected with the top of the upper positioning pin, the bottom of the lower positioning pin is arranged in the bottom surface rotary components.Its is simple and reasonable, and by the continuous casting skin pixel number of collected up and down direction, the equivalent angle value that every pixel represents length and circumferentially continuous step-by-step counting obtains, multiplication can calculate casting skin size.
Description
Technical field
The present invention relates to work pieces process manufacturing field more particularly to a kind of image multi-diameter shaft casting skin detection devices.
Background technique
In processing manufacturing industry, processing for workpiece, the process either processed, still quality after processing is completed and
Performance requires to undergo a large amount of detection work.The casting casting skin detection arrived undressed for first piece at present, is mainly adopted
The original method visually rejected with worker, but can not achieve the automation of workpieces processing detection process in the production line, therefore, on
The problem of stating should be paid attention to and be solved the problems, such as in the detection course of work.
Summary of the invention
Point in view of the above problems provides a kind of figure it is an object of the invention to overcome deficiency in the prior art
As multi-diameter shaft casting skin detection device.
What the purpose of the present invention was realized by following technical solution: a kind of image multi-diameter shaft casting skin detection device,
Including detection platform, the detection platform is equipped with testing agency, and the testing agency includes locating platform, positioning device, bottom
Face rotary components, imaging sensor and host computer handle display device, the positioning device include upper positioning pin and lower positioning pin,
Clamping cylinder, circumferentially positioned sensor and the positioning plate for being used to support cylinder are positioned, the positioning plate setting is flat in the positioning
On platform, the upper positioning pin and lower positioning pin are corresponding up and down, the side of the positioning plate are arranged in, the positioning clamping cylinder is set
It sets in the upper end of the positioning plate, so that the telescopic end of the positioning clamping cylinder is connected with the top of the upper positioning pin, institute
State the bottom that the lower positioning pin is arranged in bottom surface rotary components.
A further improvement of the present invention is that: the bottom surface rotary components include the rotating seat for being used to support positioning, motor
And motor support frame, in the lower positioning pin bottom, the motor is arranged by motor support frame in institute for the rotating seat setting
It states below detection platform, rotating seat described in the motor axis connection of the motor, which is servo step motor, and the circumferential direction is fixed
The fixation circumferential position that the rotating seat is corresponded in detection platform is arranged in level sensor, and the edge of the rotating seat, which is equipped with, to be used for
Determine the magnet of positioning zero point.
A further improvement of the present invention is that: the detection platform is equipped with support base, the support base and described lower fixed
Position pin left and right is oppositely arranged and the two is in together on same central axes line, and described image sensor is arranged on the support base.
A further improvement of the present invention is that: the upper positioning pin is in back taper, and top is equipped with connecting plate, the positioning
The telescopic end of clamping cylinder is fixedly connected with the connecting plate, and the lower positioning pin is tapered, and outer surface is elastic layer, is played
Shockproof cushioning effect.
A further improvement of the present invention is that: connected between the positioning plate and the positioning clamping cylinder by attachment base
It connects, the attachment base is in inverted L shape, and vertical plane connects the positioning clamping cylinder, and horizontal plane connects the positioning plate, is hung down
Face the slideway for being equipped with and sliding up and down for the positioning clamping cylinder directly.
A further improvement of the present invention is that: the support base is L-shaped, including perpendicular transverse plate and vertical plate, institute
It states transverse plate to be arranged in the detection platform, described image sensor is arranged in the vertical plate.L-type is used, so that branch
It is stronger in detection platform to support seat, can be fixed in detection platform by modes such as bolt or screw or welding.
A further improvement of the present invention is that: host computer processing display device includes host computer and connection,
Data are reached the host computer by connecting the connection by described image sensor, and described image sensor is linear array
Image ccd sensor.
A further improvement of the present invention is that: the locating platform is concave inward structure, the positioning in the detection platform
It is set as cavity between platform and the support base, prevents block vision, imaging sensor is facilitated to receive information.
The present invention provides a kind of image multi-diameter shaft casting skin detection device, and ladder workpiece to be measured is needed to detect work radially
Part going up or down stairway side casting skin does not remove situation, drives lower positioning pin by positioning support rotating seat first and is arranged in lower positioning
Ladder workpiece to be detected on pin circumferentially rotates, one pulse equivalency angle (each pulse angle numerical value) of every rotation, gathering line
Each pixel color difference in battle array, the big as casting skin pixel with common process image surface vegetarian refreshments color difference, continuous rotation and record casting skin
Pixel situation, so that it may realize 360 degree of side casting skin detections, circumferential zero point is positioned by circumferentially positioned sensor.It will survey
Numerical quantity feeds back to host computer and carries out casting skin circumferential angle, height and areal calculation, obtains casting skin size, then differentiate
The defect provides judgement information whether in the range of tolerance allows.Specifically include the following three steps:
1. ladder inner hole of workpiece to be measured is placed on lower positioning pin first, the servo motor starting in the rotary components of bottom surface, rotation
Swivel base and the rotation of lower positioning pin drive ladder workpiece to be measured to be rotated, and rotate the circumferential zero point indicated to circumferentially positioned sensor
After stop, for casting skin detection be ready；
2. starting to send each measurement value of the detection workpiece in rotation, and communication is passed through by Linear Array CCD Image Sensor
Line is sent to host computer and is stored and shown, until encountering circumferential zero point sensor again after being rotated by 360 °, completes one
The acquisition of a multi-diameter shaft side data and upload；
3. after being measured, taking the workpiece detected, the metrical information of host computer processing storage, on collecting away
The continuous casting skin pixel number in lower direction, every pixel represent length and circumferentially continuous pulse equivalency angle value, calculate casting skin face
Product size provides the judgement whether the casting skin defect meets processing request according to workpiece tolerance settings value, and all detections start
It requires to demarcate sensor.
Beneficial effects of the present invention: the present invention is using linear array images ccd sensor as detection instrument, in order to realize casting skin
Quantification Precision measurement, drive ladder workpiece to be detected to circumferentially rotate using bottom surface servo rotary components, realize side casting skin
360 degree of detections, circumferential zero point are positioned by circumferentially positioned sensor, and measurement numeric feedback is carried out circumferential angle to host computer
With height calculate, obtain casting skin size, for differentiate the defect whether tolerance allow in the range of, provide differentiation according to
According to.Its is simple and reasonable, carries out quantitative detection automatically by rotary scanning, later by the continuous casting skin of collected up and down direction
The equivalent angle value that pixel number, every pixel represent length and circumferentially continuous step-by-step counting obtains, multiplication can calculate casting skin
Size.It is not only time saving and energy saving using image detection workpiece casting skin, but also energetic casting skin size, raising workpiece sensing matter
Amount has far reaching significance to the development for promoting in-process measurement integrated technique.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the connection schematic diagram that clamping cylinder and attachment base are positioned in the present invention；
Fig. 3 is the operation schematic diagram that host computer handles display device in the present invention；
Wherein: 1- detection platform, 2- locating platform, 3- imaging sensor, the upper positioning pin of 4-, positioning pin under 5-, 6- positioning clamp
Cylinder, the circumferentially positioned sensor of 7-, 8- positioning plate, 9- connecting plate, 10- rotating seat, 11- motor, 111- motor support frame, 12-
Transverse plate, 13- vertical plate, 14- attachment base, 15- sliding slot, 16- sliding block, 17- host computer, 18- connection, 19- cavity,
20- ladder workpiece to be measured, 21- magnet.
Specific embodiment
Below in conjunction with attached drawing by embodiment come the present invention is described in detail.
Such as Fig. 1, the present embodiment provides a kind of image multi-diameter shaft casting skin detection device, including detection platform 1, the detection is flat
Platform is equipped with testing agency, and the testing agency includes locating platform 2, positioning device, bottom surface rotary components, imaging sensor 3
Display device is handled with host computer, the positioning device includes upper positioning pin 4 and lower positioning pin 5, positions clamping cylinder 6, circumferential
Alignment sensor 7 and the positioning plate 8 for being used to support cylinder, the positioning plate 8 is arranged on the locating platform 2, described fixed
Position pin 4 and about 5 lower positioning pin are corresponding, and the side of the positioning plate 8 is arranged in, and the positioning clamping cylinder 6 is arranged described
The upper end of positioning plate 8, the upper positioning pin 4 are in back taper, and top is equipped with connecting plate 9, and the positioning clamping cylinder 6 is placed in institute
The surface of positioning pin 4 is stated, telescopic end is fixedly connected with the connecting plate 9, and the lower positioning pin 5 is tapered, appearance
Face is elastic layer.
The bottom surface rotary components include the rotating seat 10, motor 11 and motor support frame 12 for being used to support positioning, described
Rotating seat 10 is arranged in lower 5 bottom of positioning pin, can also be connected between the two by screw nut etc. by being welded and fixed
Part is attached, and is not construed as limiting, and the motor 11 is arranged below the detection platform by motor support frame 111, the electricity
Rotating seat 10 described in the motor axis connection of machine 11, the motor are servo step motor.The circumferentially positioned sensor 7 is fixedly installed
In the circumferential position of the corresponding rotating seat 10 of the detection platform 1.The edge of the rotating seat is equipped with for determining positioned zero
The magnet 21 of point, the magnet 21 are used as an object of reference, find positioning zero point convenient for the circumferentially positioned sensor 7,
The detection platform 1 is equipped with support base, and the support base is L-shaped, including perpendicular transverse plate 12 and vertical plate 13,
The transverse plate 12 is arranged in the detection platform 1, and described image sensor 3 is arranged in the vertical plate 13.Using L
Type, so that support base is stronger in detection platform, the support base can be solid by modes such as bolt or screw or welding
It is scheduled in detection platform, is not limited.The vertical plate 13 and the lower positioning pin 5 or so are oppositely arranged and the same axis of the two
On line line, described image sensor 3 is arranged in the vertical plate 13.
It is connected between the positioning plate 8 and the positioning clamping cylinder 6 by attachment base 14, the attachment base 14 is in inverted L
Type, vertical plane connect the positioning clamping cylinder 6, and horizontal plane connects the positioning plate 8, and vertical plane is equipped with described in confession
The back side of the sliding slot 15 that positioning clamping cylinder slides up and down, the positioning clamping cylinder 6 is equipped with and the sliding slot 15 is compatible
Sliding block 16, as shown in Figure 2.
Such as Fig. 3, the host computer processing display device includes host computer 17 and connection 18, described image sensor
Data are reached the host computer 17 by connection 18 by 3, and described image sensor 3 is linear array images ccd sensor.
The locating platform 2 is concave inward structure, in the detection platform 1 between the locating platform 2 and the support base
It is set as cavity 19, prevents block vision, imaging sensor is facilitated to receive information.
The present invention provides a kind of image multi-diameter shaft casting skin detection device, and ladder workpiece 20 to be measured is needed to detect radially
Workpiece going up or down stairway side casting skin does not remove situation, drives lower positioning pin 5 and setting to exist by positioning support rotating seat 10 first
Ladder workpiece 20 to be detected on lower positioning pin 5 circumferentially rotates, one pulse equivalency angle (each pulse angle degree of every rotation
Value), acquire each pixel color difference in linear array, with common process image surface vegetarian refreshments color difference it is big be casting skin pixel, continuous rotation and
Record the pixel situation of casting skin, so that it may realize 360 degree of side casting skin detections, 10 edge of rotating seat is equipped with for detecting
The magnet 21 of zero point, circumferential zero point are positioned by circumferentially positioned sensor 7, that is, detect the position of magnet.Numerical value will be measured
It feeds back to host computer 17 and carries out casting skin circumferential angle, height and areal calculation, obtain casting skin size, then differentiate that this is lacked
It falls into whether in the range of tolerance allows, provides judgement information.Specifically include the following three steps:
1. the ladder workpiece 20 to be measured is the cylindrical body that upper and lower ends all have inner hole, the inner hole and 4 He of upper positioning pin
The shape of the lower positioning pin 5 is adapted, and the lower end inner hole of ladder workpiece 20 to be measured is placed on lower positioning pin 5 first, fixed
Position clamping cylinder 6 is mobile, upper positioning pin 4 is put into the upper end inner hole of ladder workpiece 20 to be measured, so that ladder workpiece 20 to be measured
It is fixedly clamped, and guarantees at ladder workpiece 20 and Linear Array CCD Image Sensor 3 to be measured between lower positioning pin 5 and upper positioning pin 4
Servo motor 11 in same horizontal line, bottom surface rotary components starts, and rotating seat 10 and the rotation of lower positioning pin 5 drive rank to be measured
Ladder work's part 20 rotates, and stops after rotating the circumferential zero point indicated to circumferentially positioned sensor 7, carries out standard for casting skin detection
It is standby；
4. motor 11 is again started up, each pixel for driving ladder workpiece 20 to be measured to start to send the detection workpiece in rotation is surveyed
Each data are sent to host computer 17 by connection 18 and are stored and shown by magnitude, Linear Array CCD Image Sensor 3,
Again it until encountering circumferential zero point sensor 7 after being rotated by 360 °, completes a multi-diameter shaft side data acquisition and uploads；
5. after being measured, upper positioning pin 4 is removed in the positioning work of clamping cylinder 6, the workpiece detected, upper calculating are taken away
The metrical information of the processing storage of machine 17, by collecting the continuous casting skin pixel number of up and down direction, every pixel represents length, and
Circumferentially continuous pulse equivalency angle value, calculates casting skin size, and according to workpiece tolerance settings value, providing the casting skin defect is
The no judgement for meeting processing request, all detections start to require to demarcate sensor.
The present embodiment the utility model has the advantages that the present embodiment using linear array images ccd sensor as detection instrument, in order to realize
The quantification Precision measurement of casting skin drives ladder workpiece 20 to be detected to circumferentially rotate, realizes side using bottom surface servo rotary components
360 degree of face casting skin detections, circumferential zero point positions by circumferentially positioned sensor 7, will measurement numeric feedback to host computer 17 into
Row circumferential angle and height calculate, and obtain casting skin size, to differentiate that the defect whether in the range of tolerance allows, provides
Distinguishing rule.Its is simple and reasonable, carries out quantitative detection automatically by rotary scanning, later by collected up and down direction
Continuous casting skin pixel number, the equivalent angle value that every pixel represents length and circumferentially continuous step-by-step counting obtains, multiplication can be counted
Calculate casting skin size.
The above-mentioned implementation enumerated is only to illustration of the present invention, is not restriction made for the present invention.The present invention is also
It can be implemented using other way, herein not redundant one by one.All technical solutions formed using equivalent replacement or transformation,
Belong to the present invention claims protection scope.
Claims (8)
1. a kind of image multi-diameter shaft casting skin detection device, it is characterised in that: including detection platform, the detection platform is equipped with inspection
Mechanism is surveyed, the testing agency includes locating platform, positioning device, bottom surface rotary components, imaging sensor and host computer processing
Display device, the positioning device include upper positioning pin and lower positioning pin, positioning clamping cylinder, circumferentially positioned sensor and are used for
The positioning plate of cylinder is supported, the positioning plate is arranged on the locating platform, right above and below the upper positioning pin and lower positioning pin
It answers, the side of the positioning plate is set, and the upper end of the positioning plate is arranged in the positioning clamping cylinder, so that the positioning
The telescopic end of clamping cylinder is connected with the top of the upper positioning pin, and the lower positioning pin is arranged in the bottom surface rotary components
Bottom.
2. a kind of image multi-diameter shaft casting skin detection device according to claim 1, it is characterised in that: the bottom surface rotation group
Part includes the rotating seat, motor and motor support frame for being used to support positioning, and the rotating seat is arranged in the lower positioning pin bottom,
The motor is arranged below the detection platform by motor support frame, rotating seat described in the motor axis connection of the motor,
The fixation circumferential position that the rotating seat is corresponded in detection platform is arranged in the circumferentially positioned sensor.
3. a kind of image multi-diameter shaft casting skin detection device according to claim 1, it is characterised in that: in the detection platform
Equipped with support base, the support base and the lower positioning pin or so are oppositely arranged and the two is in together on same central axes line, institute
Imaging sensor is stated to be arranged on the support base.
4. a kind of image multi-diameter shaft casting skin detection device according to claim 1, it is characterised in that: the upper positioning pin is in
Back taper, top are equipped with connecting plate, and the telescopic end of the positioning clamping cylinder is fixedly connected with the connecting plate, described lower fixed
Position pin is tapered, and outer surface is elastic layer.
5. a kind of image multi-diameter shaft casting skin detection device according to claim 1, it is characterised in that: the positioning plate and institute
It states and is connected between positioning clamping cylinder by attachment base, the attachment base is in inverted L shape, and vertical plane connects the positioning and clamps gas
Cylinder, horizontal plane connect the positioning plate, and vertical plane is equipped with the slideway slided up and down for the positioning clamping cylinder.
6. a kind of image multi-diameter shaft casting skin detection device according to claim 3, it is characterised in that: the support base is in L
Type, including perpendicular transverse plate and vertical plate, the transverse plate is arranged in the detection platform, and described image sensor is set
It sets in the vertical plate.
7. a kind of image multi-diameter shaft casting skin detection device according to claim 1, it is characterised in that: the host computer processing
Display device includes host computer and connection, and described image sensor is reached data by the connection connection described
Host computer.
8. a kind of image multi-diameter shaft casting skin detection device according to claim 1, it is characterised in that: the locating platform is
Concave inward structure is set as cavity between the locating platform and the support base in the detection platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811087450.3A CN109187554A (en) | 2018-09-18 | 2018-09-18 | A kind of image multi-diameter shaft casting skin detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811087450.3A CN109187554A (en) | 2018-09-18 | 2018-09-18 | A kind of image multi-diameter shaft casting skin detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109187554A true CN109187554A (en) | 2019-01-11 |
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ID=64911915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811087450.3A Pending CN109187554A (en) | 2018-09-18 | 2018-09-18 | A kind of image multi-diameter shaft casting skin detection device |
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2018
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| CN101526484A (en) * | 2009-04-13 | 2009-09-09 | 江南大学 | Bearing defect detecting technique based on embedded-type machine vision |
| CN103543161A (en) * | 2013-10-16 | 2014-01-29 | 湖南镭目科技有限公司 | On-line detection method of continuous casting billet surface quality |
| CN104111042A (en) * | 2014-08-12 | 2014-10-22 | 太仓斯普宁精密机械有限公司 | Device for detecting coaxiality of shaft parts by use of laser |
| CN107735674A (en) * | 2015-06-25 | 2018-02-23 | 杰富意钢铁株式会社 | Surface defect detection device, surface defect detection method, and steel product manufacturing method |
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Application publication date: 20190111 |