CN106123783A - A kind of transparent object side face defects detecting system and method - Google Patents
A kind of transparent object side face defects detecting system and method Download PDFInfo
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- CN106123783A CN106123783A CN201610443950.0A CN201610443950A CN106123783A CN 106123783 A CN106123783 A CN 106123783A CN 201610443950 A CN201610443950 A CN 201610443950A CN 106123783 A CN106123783 A CN 106123783A
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- 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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/022—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of tv-camera scanning
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- 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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/028—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring lateral position of a boundary of the object
-
- 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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
-
- 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
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
-
- 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
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
Abstract
The invention discloses a kind of transparent object side face defects detecting system and method, described method includes: step 1: obtain transparent object side image；Use connecting gear that transparent object is sent to detecting position, the image side faces to transparent object of the top camera above detecting position, thus obtain transparent object side image；Step 2: for the transparent object side image obtained, measures transparent object geometrical characteristic, and described transparent object geometrical characteristic includes the length of transparent object, external diameter and wall thickness；Geometrical characteristic is compared to detect transparent object with the eigenvalue of standard the most qualified.The present invention can transmit transparent object rapidly and transparent object side image is carried out defect quickly detect, and meets the requirement of detection streamline.
Description
Technical field
The present invention relates to a kind of transparent object side face defects detecting system and method.
Background technology
Transparent object such as mineral water bottle, medicinal liquid bottle, car light glass bulb etc. are common detected object, and transparent object is often deposited
In open defects such as gas line, dirty speckle, end capacity checks.
Transparent object is carried out image detection, it is necessary to deliver to detect on station with ensureing transparent object energy pipeline system,
And in order to detect the omnidirectional images of transparent object outer wall, then need the device that transparent object can be driven to spin, therefore, having must
Design a kind of transparent object side face defects detecting system and method.
Summary of the invention
The technical problem to be solved is to provide a kind of transparent object side face defects detecting system and method, can be fast
Transmit transparent object fastly and transparent object side image is carried out defect quickly detect, meeting the requirement of detection streamline.
The technical solution of invention is as follows:
A kind of transparent object side face defects detection method, comprises the following steps:
Step 1: obtain transparent object side image；
Use connecting gear that transparent object is sent to detecting position, the side to transparent object of the top camera above detecting position
Surface imaging, thus obtain transparent object side image；
Step 2: for the transparent object side image obtained, measures transparent object geometrical characteristic, and described is transparent right
As geometrical characteristic includes the length of transparent object, external diameter and wall thickness；Geometrical characteristic is compared with the eigenvalue of standard with inspection
Survey transparent object the most qualified；
Measurement specifically comprises the following steps that
Step 21: selected processing region；
Step 22: search marginal point in selected processing region, until marginal point quantity reaches threshold value or region is swept
Retouch complete；
Step 23: multiple marginal points (edge point set) are fitted to edge line with least square method；
Step 24: calculate the edge line pixel distance to corresponding edge line, then pixel distance is converted to reality
Distance, thus obtain the length of transparent object, external diameter and wall thickness.
Described geometry transparent object geometrical characteristic also includes transparent object neck gradient, and transparent object neck gradient is fixed
Justice is the horizontal range between two end points of cervical region, and concrete step is as follows:
Step a: selected processing region chooses neck area under transparent object upper neck region and transparent object；
Step b: obtain the edge flex point of neck area under transparent object upper neck region and transparent object；
Upper neck region and lower neck area are respectively divided into many sub regions (typically arranging 10 sub regions):
(1) (characteristic point is transparent to search Edge Feature Points in each subregion in transparent object upper neck region
Target edges characteristic point), when transparent object sealed end is towards time right, to take the characteristic point transparent object upper neck region of train value maximum
Edge flex point；(edge flex point refers to two end points of transparent object cervical region, and the position as shown in white circle in Fig. 4 is edge and turns
Point, gradient is exactly the horizontal range of two flex points of transparent object cervical region, is directly subtracted each other by the ordinate value of two end points and obtains)
(2) under transparent object, Edge Feature Points in each subregion in neck area, is searched, when transparent object is close
Block towards time right, neck area edge flex point under the characteristic point transparent object maximum to take train value；
(3) pixel distance of neck area edge flex point is finally calculated under edge, upper neck region flex point and transparent object again
Be converted to actual range and i.e. obtain transparent object neck gradient.
Described connecting gear has spin drive mechanism, can make to be positioned at the transparent object spin being detected as, thus obtain
Must be for multiple side images of same transparent object.
A kind of transparent object side face defects detecting system, including processor, connecting gear be positioned at above connecting gear
Top camera；
Processor controls connecting gear for (1) and transmits transparent object to detecting position, (2) control top camera to transparent right
As taking pictures to obtain transparent object side image and (3) according to step 2 in aforesaid transparent object side face defects detection method
Transparent object side face defects is detected by described image processing method；
Described transporter is chain delivery mechanism, and chain delivery mechanism includes chain, chain driving wheel, wheel shaft and biography
Send roller；Chain driving wheel is arranged in frame by wheel shaft；
Chain is 2, is provided with multiple described transfer roller, the setting direction of transfer roller and chain between 2 chains
Moving direction is vertical, can accommodate a transparent object to be sent between 2 adjacent transfer rollers, and chain driving wheel is at least two
Group；Often group chain driving wheel is 2；
Article 2, chain is opened and is located on described chain driving wheel, 2 chains of chain drive wheel drive thus drive transfer roller to follow
Ring moves to transmit transparent object, sets and to refer to that tensioning is arranged.
Chain driving wheel is 4 groups, and 4 groups of chain driving wheel 2 chains of support and transfer roller form the transmission of the circulation that is square
Mechanism.
Being provided with 2 pieces of baffle plates being parallel to each other in frame, 2 pieces of baffle plates are vertical direction and arrange；The bearing of trend of baffle plate
Direction of transfer for transparent object；2 pieces of baffle plates are positioned at the top of chain delivery mechanism, 2 pieces of baffle plates formed one be easy to transparent right
As the passage forwarded, provide the spacing of length direction for transparent object so that transparent object is neatly advanced, just when transmitting
Concordance in follow-up image detection.
Chain delivery mechanism is additionally provided with many press strips；Press strip is arranged on the top of the chain at top, is used for retraining top
Chain transmit time keep straight in the horizontal direction.
Transparent object side face defects detecting system also includes the spin drive mechanism for driving transparent object to spin.
Spin drive mechanism includes being arranged on the roller on each transfer roller and the belt-type drive machine for driving rolls
Structure；
Described tape drive mechanism includes that bearing, motor, driving belt, driving pulley, driven pulley and roller drive
Belt；
Bearing is arranged in frame, or bearing is a part for frame；
Motor is arranged in bearing or frame；
Driving pulley and driven pulley are arranged in frame or bearing by rotating shaft and bearing；
Motor drives driving pulley to rotate by driving belt；Open on driving pulley and driven pulley and be provided with roller driving skin
Band；Roller drives belt and roller contact, and when motor rotates, roller drives belt to drive roller to rotate by frictional force and realizes thoroughly
The spin of bright object.
Transparent object can be automobile lamp glass bulb, it is also possible to be other parts, such as test tube, the storing blood of blood count
Body etc., it is also possible to be cylindrical or similar cylindrical article.
Beneficial effect:
The mode that the present invention uses sprocket wheel to combine is fed forward transparent object, in order to transparent object is not caused damage and
Realize comprehensive continuous detecting；The transporter of the present invention uses a main chain mechanism (i.e. chain delivery mechanism) and a pair
Combine belt mechanism (i.e. spin drive mechanism) mode, and three phase electric machine controls main chain structure and travels forward, secondary follower
Belt is used for controlling transparent object and is specifying detection station high speed rotation to obtain multiple images, thus ensures omnibearing detection.
Chain induction system uses two set chains to add a collection of transfer roller and roller composition, and transparent object lies low between two adjacent rollers
Groove inside, the gap between adjacent rollers can ensure that when taking pictures from top, and whole transparent object length direction all may be used
All to photograph the region of one fixed width, and roller can be freely rotatable, drives above it under the effect of drive mechanism
Transparent object uniform rotation one is enclosed, and the every rotating 360 degrees/N of transparent object takes pictures once, and N is the integer more than 2；Top camera is altogether
Obtain N and open transparent object side image, thus the image sequence that the face of cylinder that photographs whole transparent object is corresponding, it is achieved 360 °
Comprehensive detection, wherein the value of N depends on the lateral limit that single can shoot.Briquetting ensures that roller is in same height all the time
Degree, it is ensured that camera operating distance is stable.Baffle plate transmits upper guiding for transparent object, it is ensured that the working distance of side-view camera
From.
It addition, the present invention can also be quickly detected from transparent object geometrical characteristic (include length, external diameter, wall thickness and
Transparent object neck gradient), then compare with standard value, detection transparent object whether existing defects.
In sum, this transparent object side face defects detecting system and method can ensure that transparent object is sent to swimmingly
Image detection station, and the spin that can realize transparent object drives, and structure is ingenious and compact, moreover it is possible to based on image processing method
It is quickly carried out defects detection, the rigors on high speed detection line can be met.
Accompanying drawing explanation
The structural representation of Tu1Shi chain delivery mechanism；
Fig. 2 is the structural representation of spin drive mechanism；
Fig. 3 is transparent object scale diagrams；
Fig. 4 is transparent object side image artwork；
Fig. 5 is transparent object torticollis degree instrumentation plan；
Fig. 6 is the parameter schematic diagrams such as transparent object torticollis degree；
Fig. 7 is the geometric parameter schematic diagrams such as transparent object length；
Fig. 8 is that side face defects detects schematic diagram；
Fig. 9 is glass bulb length, external diameter, thickness parameter testing process；
Figure 10 is glass bulb cervical region gradient overhaul flow chart.
Label declaration: 61-chain driving wheel, 62-chain, 63-transfer roller, 64-roller, 65-transparent object, 66-press strip,
67-baffle plate；71-motor, 72-driving belt, 73-bearing, 74-driving pulley, 75-roller drives belt, 76-driven pulley.
Detailed description of the invention
Below with reference to the drawings and specific embodiments, the present invention is described in further details:
Embodiment 1: such as Fig. 1-10, a kind of transparent object (specially glass bulb) side face defects detection method, including following step
Rapid:
Step 1: obtain transparent object side image；
Use connecting gear that transparent object is sent to detecting position, the side to transparent object of the top camera above detecting position
Surface imaging, thus obtain transparent object side image；
Step 2: for the transparent object side image obtained, measures transparent object geometrical characteristic, and described is transparent right
As geometrical characteristic includes the length of transparent object, external diameter and wall thickness；Geometrical characteristic is compared with the eigenvalue of standard with inspection
Survey transparent object the most qualified；
Measurement specifically comprises the following steps that
Step 21: selected processing region；
Step 22: search marginal point in selected processing region, until marginal point quantity reaches threshold value or region is swept
Retouch complete；
Step 23: multiple marginal points (edge point set) are fitted to edge line with least square method；
Step 24: calculate the edge line pixel distance to corresponding edge line, then pixel distance is converted to reality
Distance, thus obtain the length of transparent object, external diameter and wall thickness.
Described geometry transparent object geometrical characteristic also includes transparent object neck gradient, and transparent object neck gradient is fixed
Justice is the horizontal range between two end points of cervical region, and concrete step is as follows:
Step a: selected processing region chooses neck area under transparent object upper neck region and transparent object；
Step b: obtain the edge flex point of neck area under transparent object upper neck region and transparent object；
Upper neck region and lower neck area are respectively divided into many sub regions (typically arranging 10 sub regions):
(1) (characteristic point is transparent to search Edge Feature Points in each subregion in transparent object upper neck region
Target edges characteristic point), when transparent object sealed end is towards time right, to take the characteristic point transparent object upper neck region of train value maximum
Edge flex point；(edge flex point refers to two end points of transparent object cervical region, and the position as shown in white circle in Fig. 4 is edge and turns
Point, gradient is exactly the horizontal range of two flex points of transparent object cervical region, is directly subtracted each other by the ordinate value of two end points and obtains)
(2) under transparent object, Edge Feature Points in each subregion in neck area, is searched, when transparent object is close
Block towards time right, neck area edge flex point under the characteristic point transparent object maximum to take train value；
(3) pixel distance of neck area edge flex point is finally calculated under edge, upper neck region flex point and transparent object again
Be converted to actual range and i.e. obtain transparent object neck gradient.
Described connecting gear has spin drive mechanism, can make to be positioned at the transparent object spin being detected as, thus obtain
Must be for multiple side images of same transparent object.
A kind of transparent object side face defects detecting system, including processor, connecting gear be positioned at above connecting gear
Top camera；
Processor controls connecting gear for (1) and transmits transparent object to detecting position, (2) control top camera to transparent right
As taking pictures to obtain transparent object side image and (3) according to step 2 in aforesaid transparent object side face defects detection method
Transparent object side face defects is detected by described image processing method；
Described transporter is chain delivery mechanism, and chain delivery mechanism includes chain 62, chain driving wheel 61, wheel shaft
With transfer roller 63；Chain driving wheel is arranged in frame by wheel shaft；
Chain is 2, is provided with multiple described transfer roller, the setting direction of transfer roller and chain between 2 chains
Moving direction is vertical, can accommodate a transparent object to be sent between 2 adjacent transfer rollers, and chain driving wheel is at least two
Group；Often group chain driving wheel is 2；
Article 2, chain is opened and is located on described chain driving wheel, 2 chains of chain drive wheel drive thus drive transfer roller to follow
Ring moves to transmit transparent object, sets and to refer to that tensioning is arranged.
Chain driving wheel is 4 groups, and 4 groups of chain driving wheel 2 chains of support and transfer roller form the transmission of the circulation that is square
Mechanism.
Being provided with 2 pieces of baffle plates being parallel to each other in frame, 2 pieces of baffle plates are vertical direction and arrange；The bearing of trend of baffle plate
Direction of transfer for transparent object；2 pieces of baffle plates are positioned at the top of chain delivery mechanism, 2 pieces of baffle plates formed one be easy to transparent right
As the passage forwarded, provide the spacing of length direction for transparent object so that transparent object is neatly advanced, just when transmitting
Concordance in follow-up image detection.
Chain delivery mechanism is additionally provided with many press strips；Press strip is arranged on the top of the chain at top, is used for retraining top
Chain transmit time keep straight in the horizontal direction.
Transparent object side face defects detecting system also includes the spin drive mechanism for driving transparent object to spin.
Spin drive mechanism includes the roller 64 that is arranged on each transfer roller and the belt-type drive for driving rolls
Mechanism；
Described tape drive mechanism includes bearing 73, motor 71, driving belt 72, driving pulley 74, driven pulley 76
Belt 75 is driven with roller；
Bearing is arranged in frame, or bearing is a part for frame；
Motor is arranged in bearing or frame；
Driving pulley and driven pulley are arranged in frame or bearing by rotating shaft and bearing；
Motor drives driving pulley to rotate by driving belt；Open on driving pulley and driven pulley and be provided with roller driving skin
Band；Roller drives belt and roller contact, and when motor rotates, roller drives belt to drive roller to rotate by frictional force and realizes thoroughly
The spin of bright object.
In some instantiation, the transparent object a length of 1218 recorded, transparent object external diameter is 410, transparent object
Wall thickness is 60, and all of measurement result is all referring to the number of pixels under image coordinate.First the upper and lower neck regions of transparent object, location
Territory, then becomes 10 sub regions by the region segmentation of cervical region in transparent object with lower cervical region, searches feature in every sub regions
Point, upper cervical region finds 5 feature point pairs, and remaining 5 are not found, and takes the train value maximum some edge flex point as upper cervical region,
In like manner, lower cervical region finds 7 feature point pairs altogether, takes the maximum point of train value equally as lower cervical region flex point, finally calculates two and turn
The vertical dimension i.e. transparent object neck gradient of point is 142, then compares with standard value and judge whether defect.
The measurement of transparent object (glass bulb) size:
Illustrate the realization that glass bulb various sizes are measured in detail below.
(1) glass bulb length, glass bulb external diameter, glass bulb thickness all use the side asking for individual features point to the distance of characteristic straight line
Method, first cuts off pretreatment to glass bulb body gradation of image, then measures glass bulb length, external diameter and wall thickness, the detailed process of measurement such as figure
9, specifically comprise the following steps that
Step1: choose pending region；
Step2: search marginal point in pending region, until marginal point quantity reaches threshold value or sector scanning is complete
Finish；
Step3: edge point set is fitted to edge line with least square method；
Step4: calculate the respective point distance to straight line, as following formula obtains the length of glass bulb, external diameter and wall thickness.
In some example, the glass bulb a length of 1218 calculated, glass bulb external diameter is 410, and glass bulb wall thickness is 60, all of survey
Amount result is all referring to the number of pixels under image coordinate.
(3) eccentricity is defined as the distance between outside black cylindrical and the white inner circle center of circle, the inside, glass bulb neck internal diameter
Size is the radius value of white inner circle, measurement procedure figure such as Figure 10.
The first cylindrical of black outside location, relocates the inner circle of the inside white, finally calculates the distance between two centers of circle,
Specifically comprise the following steps that
Step1: be first utilized in 9 regions, first half location of black cylindrical, search the feature point pairs in each region；
Step2: carry out justifying matching by find 9 feature point pairs, draws the exact position of black cylindrical, and asks for its circle
Heart coordinate and radius size；
Step3: in like manner, repeats Step1 and Step2, searches white inner circle, obtains central coordinate of circle and the radius of white inner circle
Size；
Step4: calculate the distance between black cylindrical and the white inner circle center of circle, is eccentricity and given standard
Value compares.
The measurement result of some example: the central coordinate of circle of black great circle is (256,372) and radius is 226, so glass
The size of shell neck internal diameter is 226, and the central coordinate of circle of white inner circle is (263,386) and radius is 38, between point-to-point
It is 17.5 that range formula can calculate eccentricity.
Claims (9)
1. a transparent object side face defects detection method, it is characterised in that comprise the following steps:
Step 1: obtain transparent object side image；
Using connecting gear that transparent object is sent to detecting position, the side of transparent object is become by the top camera above detecting position
Picture, thus obtain transparent object side image；
Step 2: for the transparent object side image obtained, measures transparent object geometrical characteristic, and described transparent object is several
What eigenvalue includes the length of transparent object, external diameter and wall thickness；Geometrical characteristic is compared with the eigenvalue of standard with detection thoroughly
Bright object is the most qualified；
Measurement specifically comprises the following steps that
Step 21: selected processing region；
Step 22: search marginal point in selected processing region, until marginal point quantity reaches threshold value or sector scanning is complete
Finish；
Step 23: multiple marginal points are fitted to edge line with least square method；
Step 24: calculate the edge line pixel distance to corresponding edge line, then pixel distance is converted to actual range,
Thus obtain the length of transparent object, external diameter and wall thickness.
Transparent object side face defects detection method the most according to claim 1, it is characterised in that described geometry is transparent right
The water that transparent object neck gradient, transparent object neck gradient are defined as between two end points of cervical region is also included as geometrical characteristic
Flat distance, concrete step is as follows:
Step a: selected processing region chooses neck area under transparent object upper neck region and transparent object；
Step b: obtain the edge flex point of neck area under transparent object upper neck region and transparent object；
Upper neck region and lower neck area are respectively divided into many sub regions:
(1) Edge Feature Points is searched in each subregion in transparent object upper neck region, when transparent object sealed end
Towards time right, to take edge, the characteristic point transparent object upper neck region flex point of train value maximum；
(2) under transparent object, Edge Feature Points in each subregion in neck area, is searched, when transparent object sealed end
Towards time right, neck area edge flex point under the characteristic point transparent object maximum to take train value；
(3) the pixel distance reconvert of neck area edge flex point under edge, upper neck region flex point and transparent object is finally calculated
Transparent object neck gradient is i.e. obtained for actual range.
Transparent object side face defects detection method the most according to claim 2, it is characterised in that described connecting gear tool
There is spin drive mechanism, can make to be positioned at the transparent object spin being detected as, thus obtain for multiple of same transparent object
Side image.
4. a transparent object side face defects detecting system, it is characterised in that include processor, connecting gear and be positioned at conveyer
Top camera above structure；
Processor controls connecting gear for (1) and transmits transparent object to detecting position, (2) control top camera to transparent object bat
According to obtain transparent object side image and (3) according to the transparent object side face defects inspection described in any one of claim 1-2
In survey method, transparent object side face defects is detected by the image processing method described in step 2；
Described transporter is chain delivery mechanism, and chain delivery mechanism includes chain (62), chain driving wheel (61), wheel shaft
With transfer roller (63)；Chain driving wheel is arranged in frame by wheel shaft；
Chain is 2, is provided with multiple described transfer roller, the setting direction of transfer roller and the movement of chain between 2 chains
Direction is vertical, can accommodate a transparent object to be sent between 2 adjacent transfer rollers, and chain driving wheel is at least two groups；
Often group chain driving wheel is 2；
Article 2, chain is opened and is located on described chain driving wheel, 2 chains of chain drive wheel drive thus drive transfer roller circulation move
Dynamic to transmit transparent object.
Transparent object side face defects detecting system the most according to claim 4, it is characterised in that chain driving wheel is 4 groups,
4 groups of chain driving wheel 2 chains of support and transfer roller form the connecting gear of the circulation that is square.
Transparent object side face defects detecting system the most according to claim 1, it is characterised in that be provided with 2 pieces in frame
The baffle plate being parallel to each other, 2 pieces of baffle plates are vertical direction and arrange；The bearing of trend of baffle plate is the direction of transfer of transparent object；2 pieces
Baffle plate is positioned at the top of chain delivery mechanism, and 2 pieces of baffle plates form one and are easy to the passage that transparent object forwards.
Transparent object side face defects detecting system the most according to claim 6, it is characterised in that in chain delivery mechanism also
It is provided with many press strips；Press strip is arranged on the top of the chain at top, for retraining the chain at top when transmitting in the horizontal direction
Upper holding is straight.
8. according to the transparent object side face defects detecting system described in any one of claim 4-7, it is characterised in that transparent object
Side face defects detecting system also includes the spin drive mechanism for driving transparent object to spin.
Transparent object side face defects detecting system the most according to claim 8, it is characterised in that spin drive mechanism includes
The roller (64) being arranged on each transfer roller and the tape drive mechanism being used for driving rolls；
Described tape drive mechanism includes bearing (73), motor (71), driving belt (72), driving pulley (74), driven belt
Wheel (76) and roller drive belt (75)；
Bearing is arranged in frame, or bearing is a part for frame；
Motor is arranged in bearing or frame；
Driving pulley and driven pulley are arranged in frame or bearing by rotating shaft and bearing；
Motor drives driving pulley to rotate by driving belt；Open on driving pulley and driven pulley and be provided with roller driving belt；
Roller driving belt and roller contact, when motor rotates, roller drives belt to drive roller rotation to realize transparent by frictional force
The spin of object.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109269787A (en) * | 2018-10-29 | 2019-01-25 | 上海宝钢包装钢带有限公司 | The online test method of Varying-thickness Automobile Plate |
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