CN108981586A - Chain marker slip method for detecting position and the full-scale detection device of chain and method - Google Patents

Chain marker slip method for detecting position and the full-scale detection device of chain and method Download PDF

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Publication number
CN108981586A
CN108981586A CN201810588451.XA CN201810588451A CN108981586A CN 108981586 A CN108981586 A CN 108981586A CN 201810588451 A CN201810588451 A CN 201810588451A CN 108981586 A CN108981586 A CN 108981586A
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CN
China
Prior art keywords
chain
plc
equipment
detection
image detection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810588451.XA
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Chinese (zh)
Inventor
沈华
刘荣利
邢建恒
卢旭东
王洪军
汪恭兵
杨雷
武道
冯海波
孟凡飞
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Hangzhou Donghua Chain Group Co Ltd
Original Assignee
Hangzhou Donghua Chain Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Donghua Chain Group Co Ltd filed Critical Hangzhou Donghua Chain Group Co Ltd
Priority to CN201810588451.XA priority Critical patent/CN108981586A/en
Publication of CN108981586A publication Critical patent/CN108981586A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/04Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
    • G01B11/046Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring width
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G05B19/054Input/output

Abstract

The invention discloses chain marker slip method for detecting position and the full-scale detection device of chain and methods, it further include color mark sensor, photoelectric sensor, drive sprocket, back light, CCD industrial camera, tri-colour LED, equipment body and the electric cabinet with PLC including PC computer;Full-scale image detection equipment utilizes CCD camera to the chain of the present invention online, cooperate Image detection software and PLC program, real-time full-scale detection can be all carried out to each section of chain after assembly, such as inside and outside thickness of link plates, pin shaft outer diameter and height, roller outer diameter, chain external link outer width and internal segment inner width, detection accuracy height.When the chain dimension of detection is overproof; the alarm of equipment hard stop; detection device also has the function to the detection of coloured label piece simultaneously; after the error of coloured label piece rigging position; equipment also can automatic alarm shut down; these exception informations can feed back to assembler, timely adjustment assembly machine, thus part and temporal waste when reducing assembly as far as possible.

Description

Chain marker slip method for detecting position and the full-scale detection device of chain and method
Technical field
The present invention relates to chain detection technique field, especially chain marker slip method for detecting position and chain are full-scale Detection device and method.
Background technique
With client and user's requirement more harsh for chain quality, so needing us for entire chain system Make process carry out one it is stringenter check on, and be detected as mechanical detection after the assembly of existing chain, can only carry out simple Short Item detection, detection accuracy is lower while also can not carry out control to the chain dimension that assembly machine assembles.Therefore it will lead to when dress When there is abnormal or damage with machine vulnerable part, if assembler has found not in time, the defective in quality chain of high-volume can be produced, Chain is caused to be scrapped.
Summary of the invention
In view of the deficienciess of the prior art, the present invention provides a kind of chain marker slip method for detecting position and chain is complete Size detection device and method have structure simple, and real-time full-scale detection can be all carried out to each section of chain after assembly, Detection device also has the function to the detection of coloured label piece simultaneously.
In order to achieve the above object, the present invention is achieved through the following technical solutions: a kind of chain full-scale image online Detection device, including PC computer further include color mark sensor, photoelectric sensor, drive sprocket, back light, CCD industry phase Machine, tri-colour LED, equipment body and the electric cabinet with PLC;The equipment body is equipped with transport platform, transport platform bottom It is provided with servo motor, servo motor connects drive sprocket, is separately installed with color mark sensor and light around drive sprocket side Electric transducer, the transport platform two sides are equipped at least a pair of guide pad with tensioning function, the back light and CCD industry Camera correspond to each other, chain be located at centre, the color mark sensor, photoelectric sensor, CCD industrial camera, servo motor and Tri-colour LED is electrically connected with electric cabinet respectively.
The present invention is further arranged to: servo motor is connected with retarder, and control is more accurate, accurately.
The present invention is further arranged to: CCD industrial camera front end is connected with industrial lens, realizes optical beam transformation (modulation).
The present invention is further arranged to: the PLC communication inside PC computer and electric cabinet is serial communication, PC computer and CCD Industrial camera communication is that TCP is communicated.
Full-scale image detection method, first chain are set in transport platform online for a kind of chain, then one end and actively Sprocket wheel connection, drive sprocket) it drives in chain rotation process, when drive sprocket tooth top is close to photoelectric sensor, photoelectric sensor A trigger signal can be issued and give PLC input terminal, this signal is carried out internal filtering processing by PLC, and then PLC exports an arteries and veins It rushes trigger signal and gives CCD industrial camera, the pulse-triggered duration is 10ms, and then the Image detection software on PC computer passes through TCP communicates the trigger signal for having got CCD industrial camera, so that moment acquires a detection picture, Image detection software pair This detection picture is analyzed and processed, and by software, treated measures size and judged with setting value, if in range Interior, equipment continues to run, and does not trigger abnormal alarm signal, tri-colour LED display green, otherwise software is alarmed, logical by serial ports Messenger's PLC delivery outlet disconnects, to control servo motor stopping, while tri-colour LED is displayed in red and alarms with buzzing, leads to Know that operative employee is handled.
The present invention is further arranged to: it includes that basis is set first that Image detection software, which carries out processing method to detection picture, The standby speed of service requires (detection 500 section of speed/min or more), and Image detection software inhouse must carry out multiple threads, therefore need Have 4 thread process, respectively 1, user's exchange threads, 2, image acquisition thread, 3, image procossing thread, 4, abnormality processing Thread.Secondly higher detection accuracy (detection accuracy 0.01mm), software need certain optimization processing in order to obtain: 1, due to chain Piece surface has oil film, if directly processing measures size precision and not can guarantee, therefore need to carry out piece surface threshold value, The processing such as KernelSize, the influence to degrease;2, since chain might have certain rolling dynamic deviation, lead to nothing Method extracts corresponding boundary line, so that corresponding numerical value can be unable to measure out, so it is inclined to eliminate shaking using ROI matching Difference guarantees to measure size.
A kind of chain marker slip position images detection method, first the Image detection software on PC computer pass through serial communication Coloured label piece position is written in PLC program, when drive sprocket drives in chain rotation process, drive sprocket tooth top is close When photoelectric sensor, photoelectric sensor can issue a trigger signal to PLC, count inside PLC to current PRF, when When PLC internal count value and the marker slip position consistency of Image detection software write-in PLC, judge whether color mark sensor has signal PLC is fed back, if there is signal is fed back, i.e. marker slip position is correct, and equipment operates normally, and otherwise marker slip is abnormal, and equipment is stopped Machine alarm.
The present invention has the beneficial effect that
Full-scale image detection equipment utilizes CCD industrial camera to the chain of the present invention online, cooperates Image detection software And PLC program, real-time full-scale detection can be all carried out to each section of chain after assembly, outside inside and outside thickness of link plates, pin shaft Diameter and height, roller outer diameter, chain external link outer width and internal segment inner width, detection accuracy are high.When the chain dimension of detection is overproof, equipment Hard stop alarm, while detection device also has the function to coloured label piece (such as carrier bar turns blue) detection, when there is colour code After remembering the error of piece rigging position, equipment also can automatic alarm shut down, these exception informations can feed back to assembler, in time adjustment dress With machine or corresponding tooling, thus part and temporal waste when reducing assembly as far as possible.
Detailed description of the invention
Fig. 1 is image detection equipment operation schematic diagram in the present invention;
Fig. 2 is image detection equipment structure chart in the present invention;
Fig. 3 is Image detection sizing specification in the present invention.
Appended drawing reference: 1, color mark sensor;2, photoelectric sensor;3, drive sprocket;4, guide pad;5, back light;6, Industrial lens;7, CCD industrial camera;8, PC computer;9, tri-colour LED;10, equipment body;11, retarder;12, electric cabinet; 13, transport platform.
Specific embodiment
In conjunction with attached drawing, present pre-ferred embodiments are described in further details.
A kind of chain full-scale image detection equipment, including PC computer 8 online as described in Fig. 1-2 further includes colour code sensing Device 1, photoelectric sensor 2, drive sprocket 3, back light 5, CCD industrial camera 7, tri-colour LED 9, equipment body 10 and band There is the electric cabinet 12 of PLC;The equipment body 10 is equipped with transport platform 13, and tri-colour LED 9 and PC computer 8 are also installed on equipment 10 upside of main body facilitates observation, and 13 bottom of transport platform is provided with servo motor, and servo motor connects drive sprocket 3, servo motor It is connected with retarder 11, control is more accurate, accurately, is separately installed with color mark sensor 1 and photoelectricity around 3 side of drive sprocket Sensor 2,13 two sides of transport platform are equipped at least a pair of guide pad 4 with tensioning function, are positioned and led to chain To;The back light 5 and CCD industrial camera 7 correspond to each other, and chain is located at centre, the color mark sensor 1, photoelectric sensing Device 2, CCD industrial camera 7, servo motor and tri-colour LED 9 are electrically connected with electric cabinet 12 respectively.7 front end of CCD industrial camera Industrial lens 6 are connected with, are realized optical beam transformation (modulation).PLC communication inside PC computer 8 and electric cabinet 12 is serial communication, PC computer 8 and the communication of CCD industrial camera 7 are that TCP is communicated.
Full-scale image detection method, first chain are set in transport platform 13 online for a kind of chain, then one end and master Movable sprocket 3 connects, drive sprocket 3) it drives in chain rotation process, when 3 tooth top of drive sprocket is close to photoelectric sensor 2, photoelectricity Sensor 2 can issue a trigger signal and give PLC input terminal, this signal is carried out internal filtering processing by PLC, and then PLC is defeated For a pulse triggering signal to CCD industrial camera 7, the pulse-triggered duration is 10ms out, then the image inspection on PC computer 8 The trigger signal that software has got CCD industrial camera by TCP communication is surveyed, so that moment acquires a detection picture, image Inspection software is analyzed and processed this detection picture, and by software, treated measures size and judged with setting value, If equipment continues to run in range, abnormal alarm signal is not triggered, and tri-colour LED 9 shows green, otherwise software report It is alert, disconnect PLC delivery outlet by serial communication, to control servo motor stopping, while tri-colour LED 9 is displayed in red simultaneously Band buzzing is alarmed, and operative employee is notified to handle.
Wherein the detection of chain sees for oneself attached drawing 3, and predominantly detect these following sizes: L1- pin shaft outer diameter, L2- pin shaft are long Degree, L3- exterior chain plate thickness, L4- internal segment inner width, L5- roller outer diameter, L6- inner plate thickness, L7- acromere outer width.
It includes requiring (detection according to the equipment speed of service first that Image detection software, which carries out processing method to detection picture, 500 section of speed/min or more), Image detection software inhouse must carry out multiple threads, therefore need to have 4 thread process, point Not Wei 1, user's exchange threads, 2, image obtain thread, 3, image procossing thread, 4, abnormality processing thread.Secondly in order to obtain Higher detection accuracy (detection accuracy 0.01mm), software need certain optimization processing: 1, since there is oil film on chain part surface, If directly processing, which measures size precision, not can guarantee, therefore need to carry out piece surface the processing such as threshold value, Kernel Size, The influence to degrease;2, since chain might have certain rolling dynamic deviation, lead to not extract corresponding side Boundary line, so can eliminate rolling dynamic deviation using ROI matching, guarantees to measure size so that corresponding numerical value can be unable to measure out.
A kind of chain marker slip position images detection method, first the Image detection software on PC computer 8 are logical by serial ports News are written to coloured label piece position in PLC program, in the drive chain rotation process of drive sprocket 3,3 tooth top of drive sprocket When close to photoelectric sensor 2, photoelectric sensor 2 can issue a trigger signal to PLC, count inside PLC to current PRF Whether number judges color mark sensor 1 when PLC internal count value and the marker slip position consistency of Image detection software write-in PLC There is signal feedback to PLC, if there is signal is fed back, i.e. marker slip position is correct, and equipment operates normally, and otherwise marker slip is abnormal, Equipment downtime alarm.
Full-scale image detection equipment utilizes CCD industrial camera to the chain of the present invention online, cooperates Image detection software And PLC program, real-time full-scale detection can be all carried out to each section of chain after assembly, outside inside and outside thickness of link plates, pin shaft Diameter and height, roller outer diameter, chain external link outer width and internal segment inner width, detection accuracy are high.When the chain dimension of detection is overproof, equipment Hard stop alarm, while detection device also has the function to coloured label piece (such as carrier bar turns blue) detection, when there is colour code After remembering the error of piece rigging position, equipment also can automatic alarm shut down, these exception informations can feed back to assembler, in time adjustment dress With machine or corresponding tooling, thus part and temporal waste when reducing assembly as far as possible.
Above-described embodiment is only used for illustrating inventive concept of the invention, rather than the restriction to rights protection of the present invention, It is all to be made a non-material change to the present invention using this design, protection scope of the present invention should all be fallen into.

Claims (7)

1. a kind of chain full-scale image detection equipment, including PC computer (8) online, it is characterized in that: further including color mark sensor (1), photoelectric sensor (2), drive sprocket (3), back light (5), CCD industrial camera (7), tri-colour LED (9), equipment master Body (10) and electric cabinet (12) with PLC;The equipment body (10) is equipped with transport platform (13), transport platform (13) bottom It is provided with servo motor, servo motor connects drive sprocket (3), is separately installed with colour code sensing around drive sprocket (3) side Device (1) and photoelectric sensor (2), transport platform (13) two sides are equipped at least a pair of guide pad (4) with tensioning function, institute It states back light (5) and CCD industrial camera (7) corresponds to each other, chain is located at centre, the color mark sensor (1), photoelectric sensing Device (2), CCD industrial camera (7), servo motor and tri-colour LED (9) are electrically connected with electric cabinet (12) respectively.
2. a kind of chain according to claim 1 full-scale image detection equipment online, it is characterized in that: servo motor connects There are retarder (11).
3. a kind of chain according to claim 1 or 2 full-scale image detection equipment online, it is characterized in that: CCD industry phase Machine (7) front end is connected with industrial lens (6).
4. a kind of chain according to claim 3 full-scale image detection equipment online, it is characterized in that: PC computer (8) and The internal PLC communication of electric cabinet (12) is serial communication, and PC computer (8) and CCD industrial camera (7) communication are that TCP is communicated.
5. full-scale image detection method, first chain are set on transport platform (13) a kind of chain online, then one end and master Movable sprocket (3) connection, drive sprocket (3) drive in chain rotation process, and drive sprocket (3) tooth top is close to photoelectric sensor (2) When, photoelectric sensor (2) can issue a trigger signal and give PLC input terminal, this signal is carried out internal filtering processing by PLC, Then PLC exports a pulse triggering signal and gives CCD industrial camera (7), and the pulse-triggered duration is 10ms, then PC computer (8) the Image detection software on has got the trigger signal of camera by TCP communication, so that moment acquires a detection picture Face, Image detection software to this detection picture be analyzed and processed, by software treated measure size with setting value into Row judgement does not trigger abnormal alarm signal if equipment continues to run in range, and tri-colour LED (9) display green is no Then software is alarmed, and disconnects PLC delivery outlet by serial communication, to control servo motor stopping, while tri-colour LED (9) It is displayed in red and alarms with buzzing, operative employee is notified to handle.
6. a kind of chain according to claim 5 full-scale image detection method online, it is characterized in that: Image detection software Carrying out processing method to detection picture includes, and requires (detection 500 section of speed/min or more), shadow according to the equipment speed of service first As multiple threads must be carried out inside inspection software, therefore 4 thread process are needed to have, respectively 1, user's exchange threads, 2, Image obtains thread, 3, image procossing thread, 4, abnormality processing thread.
7. a kind of chain marker slip position images detection method, first the Image detection software on PC computer (8) are logical by serial ports News are written to coloured label piece position in PLC program, in drive sprocket (3) drive chain rotation process, drive sprocket (3) When tooth top is close to photoelectric sensor (2), photoelectric sensor (2) can issue a trigger signal to PLC, to current arteries and veins inside PLC Capable counting is rushed in, when PLC internal count value and the marker slip position consistency of Image detection software write-in PLC, judges that colour code passes Whether sensor (1) has signal feedback to PLC, and if there is signal is fed back, i.e. marker slip position is correct, and equipment operates normally, otherwise Marker slip is abnormal, equipment downtime alarm.
CN201810588451.XA 2018-06-08 2018-06-08 Chain marker slip method for detecting position and the full-scale detection device of chain and method Pending CN108981586A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810588451.XA CN108981586A (en) 2018-06-08 2018-06-08 Chain marker slip method for detecting position and the full-scale detection device of chain and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810588451.XA CN108981586A (en) 2018-06-08 2018-06-08 Chain marker slip method for detecting position and the full-scale detection device of chain and method

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CN108981586A true CN108981586A (en) 2018-12-11

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101516746A (en) * 2006-08-24 2009-08-26 弗诺斯特链运有限公司 Chain wear monitoring device
CN102455248A (en) * 2011-06-28 2012-05-16 太仓椿盟链传动有限公司 Chain automatic detection system
CN102680471A (en) * 2012-04-27 2012-09-19 深圳市中钞科信金融科技有限公司 Machine visual detection device based on transmission chain and method
CN102706281A (en) * 2011-06-28 2012-10-03 太仓椿盟链传动有限公司 Chain height detection device
CN103454285A (en) * 2013-08-28 2013-12-18 南京师范大学 Transmission chain quality detection system based on machine vision
CN105675621A (en) * 2015-11-26 2016-06-15 浙江科技学院 Chain detection system
CN107345855A (en) * 2017-06-28 2017-11-14 杭州盾牌链条有限公司 A kind of chain Short Item detection means
CN206876597U (en) * 2017-07-08 2018-01-12 杭州自强链传动有限公司 A kind of leaf chain chain Short Item and LOGO mistakes detection video identification device
CN107848599A (en) * 2015-07-06 2018-03-27 科尼全球公司 For checking the arrangements and methods of chain situation

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101516746A (en) * 2006-08-24 2009-08-26 弗诺斯特链运有限公司 Chain wear monitoring device
CN102455248A (en) * 2011-06-28 2012-05-16 太仓椿盟链传动有限公司 Chain automatic detection system
CN102706281A (en) * 2011-06-28 2012-10-03 太仓椿盟链传动有限公司 Chain height detection device
CN102680471A (en) * 2012-04-27 2012-09-19 深圳市中钞科信金融科技有限公司 Machine visual detection device based on transmission chain and method
CN103454285A (en) * 2013-08-28 2013-12-18 南京师范大学 Transmission chain quality detection system based on machine vision
CN107848599A (en) * 2015-07-06 2018-03-27 科尼全球公司 For checking the arrangements and methods of chain situation
CN105675621A (en) * 2015-11-26 2016-06-15 浙江科技学院 Chain detection system
CN107345855A (en) * 2017-06-28 2017-11-14 杭州盾牌链条有限公司 A kind of chain Short Item detection means
CN206876597U (en) * 2017-07-08 2018-01-12 杭州自强链传动有限公司 A kind of leaf chain chain Short Item and LOGO mistakes detection video identification device

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Inventor after: Shen Hua

Inventor after: Meng Fanfei

Inventor after: Tang Meibo

Inventor after: Liu Rongli

Inventor after: Xing Jianheng

Inventor after: Lu Xudong

Inventor after: Wang Hongjun

Inventor after: Wang Gongbing

Inventor after: Yang Lei

Inventor after: Wu Dao

Inventor after: Feng Haibo

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Inventor before: Meng Fanfei

Inventor before: Liu Rongli

Inventor before: Xing Jianheng

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Application publication date: 20181211