CN105424721A - Metal strain gauge defect automatic detection system - Google Patents

Metal strain gauge defect automatic detection system Download PDF

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Publication number
CN105424721A
CN105424721A CN201510919296.1A CN201510919296A CN105424721A CN 105424721 A CN105424721 A CN 105424721A CN 201510919296 A CN201510919296 A CN 201510919296A CN 105424721 A CN105424721 A CN 105424721A
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strainometer
detection
waste
station
mark
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CN105424721B (en
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姚举禄
戴振东
吉爱红
黄肖飞
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NANJING BIO-INSIRED INTELLIGENT TECHNOLOGY Co Ltd
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NANJING BIO-INSIRED INTELLIGENT TECHNOLOGY Co Ltd
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Abstract

The invention discloses a metal strain gauge defect automatic detection system and belongs to strain gauge detection devices. The system comprises a feeding leveling mechanism, a visual detection mechanism, a laser coding mechanism, a waste product labeling mechanism and a mechanical hand assembly. The feeding leveling mechanism, the visual detection mechanism, the laser coding mechanism and the waste product labeling mechanism are installed on a feeding station, a visual detection station, a coding station and a waste product labeling station below the mechanical hand assembly respectively. The visual detection mechanism, the laser coding mechanism and the waste product labeling mechanism are connected to a control system. Operations such as feeding, visual detection, laser coding and waste product labeling are performed on strain gauges sequentially through multiple stations in the system. The visual detection mechanism detects strain gauges on the stations through a uniform image recognition standard, the waste product labeling mechanism performs spraying and labeling on the strain gauges which are detected to be unqualified, missing detection is effectively avoided, the strain gauge detection efficiency is further improved, and the manual labor intensity is reduced.

Description

A kind of metal strain meter defect automatic checkout system
Technical field
The present invention relates to a kind of strain gauge detection device, in particular, the present invention relates generally to a kind of metal strain meter defect automatic checkout system.
Background technology
Strain ga(u)ge (Resistancestraingage) be a kind of can by the strain on engineering component, namely change in size is converted into the transducer (also known as resistance strain gage) of resistance variations, referred to as strainometer.Generally be made up of sensitive grid, lead-in wire, cementing agent, substrate and cap rock.Sandwich structure is counted in finished product strain, is made up of base material, metal forming, clad material; Strainometer product specification, shape differ, and grizzly bar is arranged with level, vertical, 45 degree of oblique lines and circles etc., and have dividing of single shaft, twin shaft and three axles, strainometer inner structure size is very little, and general grizzly bar is wide 25 ~ 40 μm, grid spacing 40 ~ 60 μm.Most strainometer product size is less, and general length and width are all less than 10mm, and part specialities grizzly bar is longer, can reach 10mm.
Automatic optics inspection (AutomaticOpticalInspection--AOI).Be a kind of novel test technology of just rising in recent years, development rapidly, takes the lead in being applied in the detection of integrated circuit.Many producers release the different AOI testing apparatus of performance for different purposes at present.Use, the purposes that AOI has following two classes main: final quality and process tracking (Processtracking).
AOI machine visual detection device, because reliability is high, precision is high, efficiency is high and easy-operating feature, obtains in industries such as PCB (printed circuit board: PrintedCircuitBoard), SMT (surface mounting technology: SurfaceMountedTechnology) and develops fast.The minimum resolution that equipment can detect is generally at 0.1mm, and the precious UltraDiscovery series of products of Australia of Israel belonging to world lead level can reach 7 μm.
At present, traditional strainometer quality detection work is entirely by manually completing, and full wafer strainometer is through 20 times of amplifications, and with backlight illumination, artificial visually examine checks, judges strainometer defect.There is following problem in this method of operating: one is due to manual operation, and criterion can not be unified, and easily undetected; Two is that cost of labor rises year by year, and make cost of products increase, efficiency is lower, can not adapt to the lifting of output; Three is that workman easily produces occupational illness, as lumbar vertebrae, cervical vertebra, eyes etc.Thus be necessary to carry out studying and improving for strain gauge detection system.
Summary of the invention
An object of the present invention is for above-mentioned deficiency, a kind of metal strain meter defect automatic checkout system is provided, check that the criterion that strainometer quality occurs can not be unified to expect to solve artificial visually examine in prior art, easily undetected, and hand labor intensity is large, the low inferior technical matters of detection efficiency.
For solving above-mentioned technical matters, the present invention by the following technical solutions:
A kind of metal strain meter defect automatic checkout system provided by the present invention, described system comprises material loading flattening mechanism, vision-based detection mechanism, Laser Jet mechanism, waste product mark mechanism and mechanical arm assembly, described material loading flattening mechanism, vision-based detection mechanism, Laser Jet mechanism and waste product mark mechanism and are arranged on feeding station below mechanical arm assembly respectively, vision-based detection station, stamp station and waste product mark on station; Described vision-based detection mechanism, Laser Jet mechanism and waste product mark the equal access control system of mechanism; Described material loading flattening mechanism comprises station platform, and clamping mold plate placed by described station platform, and the top of described clamping mold plate is provided with clamping bench, and the top of described clamping bench is also provided with electrostatic generator, and the vicinity of described electrostatic generator is also provided with wiper; Described vision-based detection mechanism comprises image collecting device and the first two-dimentional servo platform, described image collecting device is arranged on the top of the first two-dimentional servo platform, described image collecting device also access testing system, for carrying out defect recognition by detection system to the strainometer in the present image of image acquisition device, and record identifies underproof strainometer coordinate information, transfers to control system; Described Laser Jet mechanism comprises Laser Jet head and the second two-dimentional servo platform, described second two-dimentional servo platform is provided with clamping bench stationary installation, for fixing strainometer by the clamping bench stationary installation on the second two-dimentional servo platform, on strainometer, spraying unique sequence number by Laser Jet head and identifying; Described waste product mark mechanism comprises annotation equipment and the 3rd two-dimensional stage, described 3rd two-dimensional stage is also provided with clamping bench stationary installation, for fixing strainometer by the clamping bench stationary installation in the 3rd two-dimensional stage, described annotation equipment is arranged on mark jacking gear; From control system, obtain the underproof strainometer coordinate information of identification for being marked mechanism by waste product, by annotation equipment, waste product mark is carried out to the strainometer of correspondence.
As preferably, further technical scheme is: also comprise cutting agency in described system, and described cutting agency is corresponding with the discharge station below mechanical arm assembly; At least X eliminator is comprised, for being eliminated the electrostatic of the strainometer that clamping bench top is installed by X eliminator in described cutting agency.
Further technical scheme is: described mechanical arm assembly also access control system, for installing the clamping bench of strainometer successively via each station by Manipulator Transportation; And by control system, coordination and control is unified to each manipulator behavior in mechanical arm assembly.
Further technical scheme is: the cross star corresponding with strainometer corner cross is carved with in the corner of the clamping mold plate in described material loading flattening mechanism, for being passed from described cross star by the alignment light bottom clamping mold plate, and align with the contraposition cross star of strainometer corner on clamping bench, play strainometer positioning action; The direction in length and breadth of described station platform and the clamping mold plate respectively X of servo platform two-dimentional with first, Y-direction parallels.
Further technical scheme is: described vision-based detection mechanism is also provided with transmitted light source, and described detection system is in the controls integrated, for the image acquisition of the motion and image collecting device that are controlled the first two-dimentional servo platform by control system, and then obtain image and carry out defect recognition.
Further technical scheme is: described control system comprises industrial computer, two Programmable Logic Controllers access described industrial computer respectively, and one of them Programmable Logic Controller described is for controlling the two-dimensional movement position of the first two-dimentional servo platform, the second two-dimentional servo platform and the 3rd two-dimentional servo platform; Another Programmable Logic Controller described is for controlling the action of mechanical arm assembly and Laser Jet mechanism; Described vision-based detection mechanism and waste product mark mechanism and access industrial computer respectively, for being gathered the image of strainometer on vision-based detection station by vision-based detection mechanism, the detection system transferring to industrial computer inside carries out defect dipoles, the strainometer coordinate being yes by waste product mark mechanism from the inside acquisition defect dipoles result of industrial computer again, carries out waste product mark.
Further technical scheme is: the annotation equipment in described waste product mark mechanism is point gum machine, marks for applying Instant cement by point gum machine on waste product strainometer soldering tin terminal.
Compared with prior art, one of beneficial effect of the present invention is: carry out the operations such as material loading, vision-based detection, Laser Jet and waste product mark by station multiple in system successively to strainometer, on each station, the opportunity of mechanism's execution corresponding actions unifies coordination and control by control system, vision-based detection mechanism is detected the strainometer on station by unified image recognition standard, effectively avoid occurring that undetected situation occurs, also improve the efficiency of strain gauge detection; And manually without the need to participating in the operation that visual identity and waste product mark in system cloud gray model, reduce hand labor intensity; A kind of metal strain meter defect automatic checkout system framework provided by the present invention is simple simultaneously, and can carry out automatic waste product detection to the strainometer of all kinds of specification by program adjustment, range of application is wide.
Accompanying drawing explanation
Fig. 1 is the system architecture schematic diagram for illustration of one embodiment of the invention;
Fig. 2 is the Control system architecture block diagram for illustration of one embodiment of the invention;
In figure, 1 be material loading flattening mechanism, 2 for vision-based detection mechanism, 21 for transmitted light source, 3 for Laser Jet mechanism, 4 for waste product mark mechanism, 5 for mechanical arm assembly, I for feeding station, II for vision-based detection station, III for stamp station, IV for waste product mark station, V be discharge station.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated.
Shown in figure 1, one embodiment of the present of invention are a kind of metal strain meter defect automatic checkout systems, this system comprises material loading flattening mechanism 1, vision-based detection mechanism 2, Laser Jet mechanism 3, waste product mark mechanism 4 and mechanical arm assembly 5, and aforesaid material loading flattening mechanism 1, vision-based detection mechanism 2, Laser Jet mechanism 3 and waste product marks feeding station I, vision-based detection station II, stamp station III and the waste product that mechanism 4 is arranged on below mechanical arm assembly 5 respectively and mark on station IV; And foregoing visual testing agency 2, Laser Jet mechanism 3 need be marked mechanism 4 all access control systems with waste product;
More specifically, material loading flattening mechanism 1 comprises station platform, and clamping mold plate placed by described station platform, and the top of described clamping mold plate is provided with clamping bench, the top of described clamping bench is also provided with electrostatic generator, and the vicinity of described electrostatic generator is also provided with the wiper matched with it;
Preferably, the cross star corresponding with strainometer corner cross is carved with in the corner of the clamping mold plate in material loading flattening mechanism 1, for being passed from described cross star by the alignment light bottom clamping mold plate, and aliging with the contraposition cross star of strainometer corner on clamping bench, playing strainometer positioning action; The direction in length and breadth of described station platform and the clamping mold plate respectively X of servo platform two-dimentional with first, Y-direction parallels;
As mentioned here above, it is clamping bench above clamping mold plate, clamping bench is optical glass material, strainometer to be checked is placed on clamping bench, utilize the cross light of clamping mold plate corner and the cross alignment mark of strainometer corner, ensure that the X of direction in length and breadth with servo platform of strain, Y-direction are parallel.
Utilize plasma physical vapor deposition method at optical glass material plated surface one deck DLC diamond-film-like, strengthen its wear Characteristics, extend its serviceable life; Electrostatic generator excites electrostatic to strainometer, and make strainometer be adsorbed on clamping bench, wiper brushes another side from strainometer, makes that strainometer is smooth to be stably adsorbed onto on clamping bench; After clamping completes, clamping bench is moved to vision-based detection station II by mechanical arm, enters subsequent processing.
On the other hand, going out as shown in Figure 1, in order to improve the work efficiency of this equipment, design can adopt two or four feeding station.
Above-mentioned vision-based detection mechanism 2 comprises image collecting device (such as camera or camera) and the first two-dimentional servo platform, described image collecting device is arranged on the top of the first two-dimentional servo platform, described image collecting device also access testing system, for carrying out defect recognition by detection system to the strainometer in the present image of image acquisition device, and record identifies underproof strainometer coordinate information, transfers to control system;
For improving the sharpness of pictures taken, reduce the error of defect recognition, preferably in above-mentioned vision-based detection mechanism 2, set up light source, also can be in the controls integrated by detection system, for the image acquisition of the motion and image collecting device that are controlled the first two-dimentional servo platform by control system, and then obtain image and carry out defect dipoles.
In view of the singularity of strain gauge materials to be checked, select transmitted light source, light source is selected and be should be noted following 2 points: one is cause damage for preventing to strainometer, adopts the cold light source of colour temperature 5500K; Two is that light-source brightness and mistake colour filter are adjustable, so that clear shooting strainometer metallic foil pattern, and it is variegated to eliminate background.
Flexible strainometer substrate size 120 × 120mm, accuracy of detection requires to reach 1 μm, this requires that pixel count reaches 120000 × 120000, namely 14,400,000,000, there is no the camera of this pixel at present, so cannot take pictures to full wafer strainometer substrate is disposable, the mode of successively taking pictures to strainometer monomer can only be adopted to complete and to take pictures and defect analysis.
The present invention is directed to strainometer sample common on the market, this strainometer monolithic surveyed area is of a size of 7.5mm × 8mm, and according to the requirement of 1 μm of resolution, camera resolution need meet:
Pixels across: X=W/1=7500/1=7500 (pix)
Longitudinal pixel: Y=L/1=8000/1=8000 (pix)
This is also beyond the degree that camera hardware can reach.In order to solve hardware constraints, in this embodiment of the present invention, 16K linear array scanning camera is selected to reach project demands.This camera pixel number: 16384Pix, pixel size: 3.5 μm, line frequency: 72KHz.
This camera photosensitive region size: S=pixel size × resolution=3.5 μm × 16384=57.344mm, according to the sweep length of 8mm, can select the enlargement ratio of 57.344 ÷ 8 ≈ 7 times.If select the enlargement ratio of 3.5 times, imaging region is 8 × 3.5=28mm, is positioned at the centre position of CCD.
Software process calculates with the sub-pix multiplying power of 3 times:
Imaging precision=3.5 μm/(3.5 × 3)=0.33 μm
According to the enlargement ratio of 3.5 times, total 7.5mm × 3.5 ÷ 3.5 μm=7500 pixels on monolithic strainometer length direction, monolithic strainometer scanning required time:
T=7500 ÷ 72kHz ≈ 0.1 second
Above-mentioned mentioned first two-dimentional servo platform, drives strainometer to be checked to move along X, Y-direction with zigzag.Servo platform once moves and can take all foil gauges in this direction, only needs back and forth movement just can detect (120 × 120mm on one piece of substrate several times 2) all foil gauges.
Servo platform is made up of servomotor, driver, motion controller and high precision ball screw mandrel, and precision reaches 1 μm.For coordinating the speed of taking pictures of camera, Platform movement speed matches with the camera speed of taking pictures.
And on the Software for Design of detection system, standard sample of photo typing, the typing of defect specification, the typing of waste product criterion are provided, detect the functions such as picture shows in real time, testing result record and output, defect statistics, system management.
Adopt XCaliper visual development system, utilize differential technique method, vectorization method two kinds of algorithms carry out graphical analysis, search the various defects that picture comprises, judge that whether product is qualified according to certified products criterion.
After vision-based detection completes, by mechanical arm, clamping bench is moved to Laser Jet station.
Above-mentioned Laser Jet mechanism 3 comprises Laser Jet head and the second two-dimentional servo platform, described second two-dimentional servo platform is provided with clamping bench stationary installation, for fixing strainometer by the clamping bench stationary installation on the second two-dimentional servo platform, on strainometer, spraying unique sequence number by Laser Jet head and identifying;
Above-mentioned waste product mark mechanism 4 comprises annotation equipment and the 3rd two-dimensional stage, described 3rd two-dimensional stage is provided with clamping bench stationary installation, for fixing strainometer by the clamping bench stationary installation on the 3rd two-dimentional servo platform, annotation equipment is arranged on mark jacking gear; From control system, obtain the underproof strainometer coordinate information of identification for being marked mechanism 4 by waste product, by annotation equipment, waste product mark is carried out to the strainometer of correspondence, after having marked, by mechanical arm, clamping bench is moved to discharge station.
Preferably, the annotation equipment in above-mentioned waste product mark mechanism 4 is point gum machine, marks for applying Instant cement by point gum machine on waste product strainometer soldering tin terminal.
As mentioned here above, each mechanism in above-described embodiment is controlled by control system, the system architecture that adopts of inventor as shown in Figure 2 in the present embodiment, this control system comprises industrial computer, described industrial computer accesses two Programmable Logic Controllers respectively, one of them Programmable Logic Controller accesses the first two-dimentional servo platform, the second two-dimentional servo platform and the 3rd two-dimentional servo platform respectively, for controlling the two-dimensional movement position of the first two-dimentional servo platform, the second two-dimentional servo platform and the 3rd two-dimentional servo platform; Another Programmable Logic Controller described accesses mechanical arm assembly and Laser Jet mechanism 3 respectively, for controlling the action of mechanical arm assembly 5 and Laser Jet mechanism 3;
And, vision-based detection mechanism 2 and the waste product mentioned in above-described embodiment mark mechanism 4 and access industrial computer respectively, for being gathered the image of strainometer on vision-based detection station II by vision-based detection mechanism 2, the detection system transferring to industrial computer inside carries out defect dipoles, the strainometer coordinate being yes by waste product mark mechanism 4 from the inside acquisition defect dipoles result of industrial computer again, carries out waste product mark.
Simultaneously for convenience of blanking, also can set up cutting agency in systems in which, cutting agency is corresponding with the discharge station below mechanical arm assembly 5; At least X eliminator is comprised, for being eliminated the electrostatic of the strainometer that clamping bench top is installed by X eliminator in described cutting agency.
As mentioned here above, each mechanism in system is controlled by control system, cooperation control is carried out by control system is unified for making the mechanism in system, therefore can by above-mentioned mechanical arm assembly 5 also access control system, for installing the clamping bench of strainometer successively via each station by Manipulator Transportation; And by control system, coordination and control is unified to each manipulator behavior in mechanical arm assembly 5;
The major function of the metal strain meter defect automatic checkout system in the above embodiment of the present invention is as follows:
1, equipment can adapt to the Quality inspection of all size model strainometer product;
2, detection speed is fast, selects camera shooting speed to reach 72kHz, monolithic strainometer scanning required time t ≈ 0.1 second; Justifying strainometer shooting time is less than 20 seconds;
3, discriminatory analysis is accurate, selects camera resolution to be 16k, double line scanning, precision 0.2-0.3 μm;
4, adopt electrostatic absorption principle, make strainometer and the comprehensive uniform contact of clamping bench platform, ensure that flatness and the flatness of strainometer, in the field depth that high pixel camera is very little, ensure image definition;
5, adopt scrambler servo platform move distance and frequency dependence of taking pictures joins, avoid because mechanical motion is not steadily mated and the impact that causes with scanning, make testing result more reliable;
6, Laser Jet system makes system establish trackability, avoids batch mixing mistake material, for later system and the integrated of other operation provide convenient.
Based on the metal strain meter defect automatic checkout system in above-described embodiment, inventors performed concrete test, in test, same strainometer is repeatedly taken, and analyze the photo of each shooting, the result drawn is identical, and the defect software that in 20 times of amplification situations, naked eyes can be seen all can find out.
During case is implemented, by carrying out Accurate Calibration to servo platform, set up the corresponding relation of pixel and size, thus strictly can judge the size of defect, in conjunction with certified products criterion, system can judge that whether strainometer is qualified fast.
In addition, it should be noted that, the material loading flattening mechanism 1 mentioned in this equipment, vision-based detection mechanism 2, Laser Jet mechanism 3, waste product mark mechanism 4, mechanical arm assembly 5, all can adopt in prior art the parts with said function, object of the present invention does not lie in the mechanism of above-mentioned parts itself yet, therefore the structure of aforementioned mechanism and the principle of functional realiey are no longer described in detail, those skilled in the art under the instruction of inventive concept and overall technical architecture, suitably with reference to existing techniques in realizing.
Than that described above, also it should be noted that spoken of in this manual " embodiment ", " another embodiment ", " embodiment " etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any embodiment, what advocate is also fall within the scope of the invention to realize this feature, structure or feature in conjunction with other embodiments.
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of, accompanying drawing open in the application and claim, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.

Claims (7)

1. a metal strain meter defect automatic checkout system, it is characterized in that: described system comprises material loading flattening mechanism (1), vision-based detection mechanism (2), Laser Jet mechanism (3), waste product mark mechanism (4) and mechanical arm assembly (5), described material loading flattening mechanism (1), vision-based detection mechanism (2), Laser Jet mechanism (3) and waste product mark the feeding station (I) that mechanism (4) is arranged on mechanical arm assembly (5) below respectively, vision-based detection station (II), stamp station (III) and waste product mark on station (IV), described vision-based detection mechanism (2), Laser Jet mechanism (3) mark mechanism (4) all access control systems with waste product,
Described material loading flattening mechanism (1) comprises station platform, clamping mold plate placed by described station platform, the top of described clamping mold plate is provided with clamping bench, and the top of described clamping bench is also provided with electrostatic generator, and the vicinity of described electrostatic generator is also provided with wiper;
Described vision-based detection mechanism (2) comprises image collecting device and the first two-dimentional servo platform, described image collecting device is arranged on the top of the first two-dimentional servo platform, described image collecting device also access testing system, for carrying out defect recognition by detection system to the strainometer in the present image of image acquisition device, and record identifies underproof strainometer coordinate information, transfers to control system;
Described Laser Jet mechanism (3) comprises Laser Jet head and the second two-dimentional servo platform, described second two-dimentional servo platform is provided with clamping bench stationary installation, for fixing strainometer by the clamping bench stationary installation on the second two-dimentional servo platform, on strainometer, spraying unique sequence number by Laser Jet head and identifying;
Described waste product mark mechanism (4) comprises annotation equipment and the 3rd two-dimensional stage, described 3rd two-dimensional stage is also provided with clamping bench stationary installation, for fixing strainometer by the clamping bench stationary installation in the 3rd two-dimensional stage, described annotation equipment is arranged on mark jacking gear; From control system, obtain the underproof strainometer coordinate information of identification for being marked mechanism (4) by waste product, by annotation equipment, waste product mark is carried out to the strainometer of correspondence.
2. metal strain meter defect automatic checkout system according to claim 1, is characterized in that: also comprise cutting agency in described system, and described cutting agency is corresponding with the discharge station (V) of mechanical arm assembly (5) below; At least X eliminator is comprised, for being eliminated the electrostatic of the strainometer that clamping bench top is installed by X eliminator in described cutting agency.
3. metal strain meter defect automatic checkout system according to claim 1, is characterized in that: described mechanical arm assembly (5) also access control system, for installing the clamping bench of strainometer successively via each station by Manipulator Transportation; And by control system, coordination and control is unified to each manipulator behavior in mechanical arm assembly (5).
4. the metal strain meter defect automatic checkout system according to claims 1 to 3 any one, it is characterized in that: the cross star corresponding with strainometer corner cross is carved with in the corner of the clamping mold plate in described material loading flattening mechanism (1), for being passed from described cross star by the alignment light bottom clamping mold plate, and align with the contraposition cross star of strainometer corner on clamping bench, play strainometer positioning action; The direction in length and breadth of described station platform and the clamping mold plate respectively X of servo platform two-dimentional with first, Y-direction parallels.
5. the metal strain meter defect automatic checkout system according to claims 1 to 3 any one, it is characterized in that: described vision-based detection mechanism (2) is also provided with transmitted light source (21), and described detection system is in the controls integrated, for the image acquisition of the motion and image collecting device that are controlled the first two-dimentional servo platform by control system, and then obtain image and carry out defect recognition.
6. the metal strain meter defect automatic checkout system according to claims 1 to 3 any one, it is characterized in that: described control system comprises industrial computer, described industrial computer accesses two Programmable Logic Controllers respectively, one of them Programmable Logic Controller described accesses the first two-dimentional servo platform, the second two-dimentional servo platform and the 3rd two-dimentional servo platform respectively, for controlling the two-dimensional movement position of the first two-dimentional servo platform, the second two-dimentional servo platform and the 3rd two-dimentional servo platform; Another Programmable Logic Controller described accesses mechanical arm assembly (5) and Laser Jet mechanism (3) respectively, for controlling the action of mechanical arm assembly (5) and Laser Jet mechanism (3);
Described vision-based detection mechanism (2) and waste product mark mechanism (4) and access industrial computer respectively, for being gathered the image of the upper strainometer of vision-based detection station (II) by vision-based detection mechanism (2), the detection system transferring to industrial computer inside carries out defect dipoles, mark mechanism (4) by waste product again and to obtain the strainometer coordinate that defect dipoles result is yes from the inside of industrial computer, carry out waste product mark.
7. the metal strain meter defect automatic checkout system according to claims 1 to 3 any one, it is characterized in that: the annotation equipment in described waste product mark mechanism (4) is point gum machine, marks for applying Instant cement by point gum machine on waste product strainometer soldering tin terminal.
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CN106370660A (en) * 2016-08-18 2017-02-01 中航电测仪器股份有限公司 Strainometer AOI defect identification detection device
CN106370660B (en) * 2016-08-18 2018-12-07 中航电测仪器股份有限公司 A kind of strain gauge AOI defect recognition detection device
CN107679873A (en) * 2017-09-28 2018-02-09 中山市鸿菊自动化设备制造有限公司 A kind of stamp information tracing management method for mounting product online based on SMT
CN109507217A (en) * 2018-11-22 2019-03-22 南京林业大学 A method of internal strain is distributed after detection wood-based plate water suction
CN110516375A (en) * 2019-08-29 2019-11-29 浪潮商用机器有限公司 A kind of detection method, device, electronic equipment and the storage medium of exception board

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