CN102566504A - General diagnosing and repairing tool for numerical control machine - Google Patents
General diagnosing and repairing tool for numerical control machine Download PDFInfo
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- CN102566504A CN102566504A CN201210017375XA CN201210017375A CN102566504A CN 102566504 A CN102566504 A CN 102566504A CN 201210017375X A CN201210017375X A CN 201210017375XA CN 201210017375 A CN201210017375 A CN 201210017375A CN 102566504 A CN102566504 A CN 102566504A
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Abstract
The invention discloses a general diagnosing and repairing tool for a numerical control machine, which is characterized by mainly comprising an image sensor, an image acquisition information processing unit, two wireless receiving and transmitting modules and a light source, wherein the image sensor is connected with the image acquisition information processing unit through a first kind of bus, one wireless receiving and transmitting module is connected with the image acquisition information processing unit through an RS232 bus, the light source is connected with the image acquisition information processing unit through a cable, the other wireless receiving and transmitting module is connected with a digital control system through a second kind of bus; and the image sensor adopts a matrix CCD (Charge Coupled Device) camera or CMOS (Complementary Metal-Oxide-Semiconductor) camera, the image acquisition information processing unit comprises an embedded ARM or small PC, and an image acquisition software and an image processing software are configured in the image acquisition information processing unit.
Description
Technical field
The present invention relates to numerically-controlled machine, Image Information Processing and industrial control technology, be specially a kind of numerically-controlled machine universal diagnostic fix tool.
Background technology
Numerically-controlled machine is a kind of modern electromechanical equipment mechanical, electrical, liquid that integrates, and is the modern important equipment of making in the processing.The precision of general NC machine tooling can reach micron order.After numerically-controlled machine carries out a period of time process; Owing to reason such as wearing and tearing between cutter processing wearing and tearing, machine tool component, need artificial quantitative check cutter, perhaps detect the workpiece processing dimensional accuracy; Be used for confirming whether cutter or machine tooling parts wearing and tearing occur; Need regularly change cutter or need carry out the detection of machine tool accuracy, otherwise it is overproof workpiece processing to occur, cause accidents such as useless part or cracking of cutter.
Regularly change cutter and can prevent preferably that workpiece from scrapping.But the fault etc. that occurs between machine tool component then can't be repaired, and also is a kind of comparatively phenomenon of waste to the discarded of the cutter that do not wear and tear; Manual intervention tool wear situation and lathe abrasion condition are judged, often need to shut down, and the dismounting cutter perhaps carries out the dimensional measurement of workpiece, stops the running of lathe, with the machine tooling man-hour of labor, reduce the working (machining) efficiency of lathe.
Summary of the invention
To the deficiency of prior art, the technical matters that quasi-solution of the present invention is determined is, a kind of numerically-controlled machine universal diagnostic fix tool is provided, and problems such as tool wear can in time found and get rid of to this instrument, improves machining accuracy of NC machine tool and product quality.
The technical scheme that the present invention solve the technical problem is; Design a kind of numerically-controlled machine universal diagnostic fix tool; It is characterized in that this diagnosis fix tool mainly comprises imageing sensor, IMAQ information process unit, two radio receiving transmitting modules and light source; Imageing sensor is connected with the IMAQ information process unit through first kind bus; A radio receiving transmitting module is connected with the IMAQ information process unit through the RS232 bus, and light source is connected through cable and IMAQ information processing are single, and another radio receiving transmitting module is connected with digital control system through second type of bus; Imageing sensor adopts Array CCD Camera or cmos camera, and the IMAQ information process unit is made up of embedded-type ARM machine or small-sized PC, internal configurations image acquisition software and image processing software.
Compare with prior art; Numerically-controlled machine universal diagnostic fix tool of the present invention becomes one imageing sensor, image acquisition and processing unit and light source; Thereby had the advantages that independently carry out the image acquisition and processing analysis, and formed a complete and independent survey instrument, utilize a radio receiving transmitting module; Can compensation variable be sent in the digital control system, realize the workpiece diagnosis repair function in the machine tooling process; The present invention simultaneously diagnoses fix tool to be designed to the form of a cutter, can be fixed on the handle of a knife, and convenient mounting and clamping is called fast, and versatility is good.
Description of drawings
Fig. 1 forms synoptic diagram for the structure of a kind of embodiment of numerically-controlled machine universal diagnostic fix tool of the present invention;
Fig. 2 is the catenation principle figure of a kind of embodiment of numerically-controlled machine universal diagnostic fix tool of the present invention;
Fig. 3 is the software detection FB(flow block) of a kind of embodiment of numerically-controlled machine universal diagnostic fix tool of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof the present invention is described in further detail.Embodiment only is used to specify the present invention, does not limit the application's claim protection domain.
The numerically-controlled machine universal diagnostic fix tool of the present invention's design (is called for short the diagnosis fix tool; Referring to Fig. 1-3), it is characterized in that this diagnosis fix tool mainly comprises imageing sensor 1, IMAQ information process unit 2, radio receiving transmitting module 3 and another radio receiving transmitting module 5 and a light source 4; Imageing sensor 1 is connected with IMAQ information process unit 2 through first kind bus; A radio receiving transmitting module 3 is connected with IMAQ information process unit 2 through the RS232 bus; Light source 4 is connected with IMAQ information process unit 2 through cable, and another radio receiving transmitting module 5 is connected with digital control system through second type of bus; Imageing sensor 1 adopts Array CCD Camera or cmos camera; IMAQ information process unit 2 constitutes internal configurations image acquisition software and image processing software by embedded-type ARM machine or small-sized PC.
The light source 4 that the present invention diagnoses fix tool provides illumination for the Array CCD Camera shooting, and Array CCD Camera links to each other with IMAQ information process unit 2 through first kind bus, is used for taking the image of workpiece etc.; Image acquisition and processing unit 2 is used for the collection of view data, and according to the image type of taking, and fault is discerned and judged, selects the pictures different Processing Algorithm to diagnosing malfunction, and image is carried out analyzing and processing; Then result is delivered to a radio receiving transmitting module 3; Detect for wear-out failure, when needing to take woolly grain, will change camera lens, with the clear texture image that photographs.IMAQ information process unit 2 internal configurations image acquisition softwares and image processing software can receive external command, carry out the soft triggering of IMAQ, perhaps by hardware camera are carried out IMAQ and trigger firmly; The image that collects carries out image pre-service, feature extraction, processing such as pattern-recognition by image processing module.Result in time sends to another radio receiving transmitting module 5 that is connected with digital control system through a radio receiving transmitting module 3, and imports in the cutter benefit variable of digital control system through the fieldbus of communication module.A radio receiving transmitting module 3 is connected through the RS232 bus with IMAQ information process unit 2; Another radio receiving transmitting module 5 is connected with digital control system through second type of bus; Be used for the transmission or the exchange of information, another radio receiving transmitting module 5 that promptly is connected with digital control system receives the data that radio receiving transmitting module 3 sends that are connected with image acquisition and processing unit 2, and passes to digital control system; Perhaps opposite, the instruction of sending in the digital control system is sent to image acquisition and processing unit 2.Described first kind bus adopts concentric cable, USB, EPA, 1394 live wires or camlink bus according to the different images sensor interface.Said second type of bus adopts the communication form of fieldbus, profibus-dp, profinet or EPA according to the different NC system type; For the digital control system that third party's communication interface is not provided, adopt the communication mode of PLC I/O point analogue communication parallel bus.
The present invention diagnoses the further characteristic of fix tool to be, described imageing sensor 1, IMAQ information process unit 2, radio receiving transmitting module 3 and light source 4 are assembled into the cutter form of integrative-structure.The diagnosis fix tool of this cutter form can be fixed on the handle of a knife as universal cutter, can from tool magazine, call at any time on the work cutter spacing as required, perhaps is fixed on to call at any time on the cutter tower to be transformed on the work cutter spacing.
The present invention diagnoses fix tool can be used on the multiple numerical control machine tool, and embodiment is used for numerically controlled lathe (referring to Fig. 1), and other numerically-controlled machines also can similarly use.The numerically controlled lathe that present embodiment diagnosis fix tool is used is specially Siemens 840D digital control system lathe, and digital control system is a Siemens 840D digital control system in open type in other words.Said imageing sensor 1 adopts Array CCD Camera; Array CCD Camera is connected with the embedded-type ARM machine through the RS232 bus with a described radio receiving transmitting module 3 through usb bus; IMAQ information process unit 2 (embedded-type ARM machine) is by externally fed, and is perhaps battery-powered.Another radio receiving transmitting module 5 is connected with the PLC of digital control system through the profile-dp bus, realizes the data transfer between digital control system and the IMAQ information process unit 2, comprises the transmitting-receiving of steering order and the transmitting-receiving of result.
The present invention diagnoses the ultimate principle of fix tool to be; Be directed to the mismachining tolerance that causes because of reasons such as cutter, lathe wearing and tearing in the numerically-controlled machine processing; Gather the image of texture, processing work, machining benchmark and the numerically-controlled machine moving component etc. on processing work surface through imageing sensor 1; By the analysis software module in the IMAQ information process unit 2 image of gathering is carried out pattern-recognition, processing such as geometric element evaluation judge whether the degree of wear, the workpiece size of cutter exists deviation, machine tool motion component whether to have failure exception etc.; And fault passed to digital control system by grade point; By the digital control system experts database confirm processing the cutter compensation increment, carry out tool changing and stopping alarm etc., improve processing safety, machining precision, avoid processing the generation of useless part.Obviously, through adjustment imageing sensor 1 coverage and analysis software, instrument of the present invention can be used for detecting other failure messages of numerically-controlled machine.
After another radio receiving transmitting module 5 that is connected with the numerically-controlled machine interface receives signal; Forward the data to numerically-controlled machine interface PLC end; Adopt multiple communication form according to the different NC system type, comprise fieldbus, profibus-dp, profinet or EPA; For the digital control system that third party's communication interface is not provided; Adopt the communication mode of PLC I/O point analogue communication parallel bus; The result data of the IMAQ information process unit 2 that receives are sent among the PLC of CNC; The PLC part of CNC is write the trapezoid figure program of Data Receiving according to employed communication mode; Processing result image is received PLC and accomplishes the NC-PLC data communication function through the CNC internal bus, data are write in the NC variable, being embodied as to write in the access customer R variable of universality uses for numerical control program; Also can write cutter and mend system variables such as variable, use imageing sensor to realize that integrated cutter studies for a second time courses one has flunked multiple function thereby accomplish according to specific requirement.
The interface PLC that the present invention diagnoses the compensating signal of fix tool to pass through numerically-controlled machine holds and gets into digital control system, and modes such as the R variable of utilization modification digital control system inside or cutter benefit variable realize the machining deviation compensation of lathe.In use, need not revise the operating instruction of job sequence and numerically-controlled machine itself, only need add corresponding data input/output routine and can realize the deviation repair function original ladder diagram of the PLC (Programmable Logic Controller) of numerically-controlled machine.Therefore the present invention does not make a difference to original digital control system and job sequence, and only needing increases some minor attachments, has reduced the prosthetic device cost, has improved machining precision, and has very strong versatility.
When the present invention diagnosed fix tool to use, program software specifically comprised the following steps (referring to Fig. 3):
1. be installed in the diagnosis fix tool on the handle of a knife earlier, be positioned over then in tool magazine or the cutter tower;
2. stop the today's numerical control job sequence, call the tool changing instruction, instrument is transferred install to the work cutter spacing;
3. assign the numerical control program running status and detect instruction, steering order is sent to IMAQ information process unit 2 through a radio receiving transmitting module 3 and another radio receiving transmitting module 5;
4. after the diagnosis fix tool got into the working position, IMAQ information process unit 2 was opened image collecting function and image focusing program; Not focusing is then sent the instruction that drives digital control system work through radio receiving transmitting module 3;
5. after digital control system is received work order, drive the diagnosis fix tool and move to the workpiece top, and drive Array CCD Camera 1 and move closer to workpiece, accomplish until focusing; Otherwise get back to a step;
6. IMAQ information process unit 2 is gathered picture rich in detail; And carry out image processing and analyzing; Obtain the tool wear degree, convert the wearing and tearing equivalent value to, be sent in the cutter benefit variable of 840D digital control system through a radio receiving transmitting module 3 and another radio receiving transmitting module 5 again;
7. after accomplishing the tool wear trace routine, start the numerical control repair procedure, repair operation to detecting surface of the work, carry out tool changing, utilize the cutter benefit value of current modification, carry out zero feeding cut, perhaps next step processing is repaired task until accomplishing workpiece processing.
The present invention does not address part and is applicable to prior art.
Claims (4)
1. numerically-controlled machine universal diagnostic fix tool; It is characterized in that this diagnosis fix tool mainly comprises imageing sensor, IMAQ information process unit, two radio receiving transmitting modules and light source; Imageing sensor is connected with the IMAQ information process unit through first kind bus; A radio receiving transmitting module is connected with the IMAQ information process unit through the RS232 bus; Light source is connected through cable and IMAQ information processing are single, and another radio receiving transmitting module is connected with digital control system through second type of bus; Imageing sensor adopts Array CCD Camera or cmos camera, and the IMAQ information process unit is made up of embedded-type ARM machine or small-sized PC, internal configurations image acquisition software and image processing software.
2. numerically-controlled machine universal diagnostic fix tool according to claim 1 is characterized in that said first kind bus adopts concentric cable, USB, EPA, 1394 live wires or camlink bus according to the different images sensor interface.
3. numerically-controlled machine universal diagnostic fix tool according to claim 1 is characterized in that said second type of bus adopts the communication form of fieldbus, profibus-dp, profinet or EPA according to the different NC system type; For the digital control system that third party's communication interface is not provided, adopt the communication mode of PLC I/O point analogue communication parallel bus.
4. numerically-controlled machine universal diagnostic fix tool according to claim 1 is characterized in that described imageing sensor, IMAQ information process unit, radio receiving transmitting module and light source are assembled into the cutter form of integrative-structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210017375.XA CN102566504B (en) | 2012-01-19 | 2012-01-19 | General diagnosing and repairing tool for numerical control machine |
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| CN201210017375.XA CN102566504B (en) | 2012-01-19 | 2012-01-19 | General diagnosing and repairing tool for numerical control machine |
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| CN102566504A true CN102566504A (en) | 2012-07-11 |
| CN102566504B CN102566504B (en) | 2014-08-13 |
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Cited By (14)
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|---|---|---|---|---|
| CN103056727A (en) * | 2013-01-14 | 2013-04-24 | 南京格蕾飞信息技术有限公司 | Machine vision cutter of CNC (computerized numeral control) machine tool |
| CN103076763A (en) * | 2012-12-26 | 2013-05-01 | 山东拓维数控设备有限公司 | Real-time detection system for state of cutting tool of numerical control machine tool |
| CN104117876A (en) * | 2013-04-28 | 2014-10-29 | 郑州大学 | Method and device for checking whether cutting tool is broken or abraded or not |
| CN104175223A (en) * | 2013-05-23 | 2014-12-03 | 中村留精密工业株式会社 | Self-diagnosis method of machine tool and correction method of machine tool precision |
| CN104837591A (en) * | 2012-11-30 | 2015-08-12 | 小松Ntc株式会社 | Machine tool |
| CN107520818A (en) * | 2016-06-16 | 2017-12-29 | 罗伯特·博世有限公司 | For the method for the operator for aiding in hand tool |
| CN107877261A (en) * | 2017-12-14 | 2018-04-06 | 深圳市塔雷斯测量设备有限公司 | A kind of lathe optical positioning calibrator |
| CN107911802A (en) * | 2017-12-01 | 2018-04-13 | 中国电子科技集团公司第二十二研究所 | Wireless communication system and method applied to shield machine roller cutter status monitoring |
| CN108972376A (en) * | 2018-07-04 | 2018-12-11 | 郑州磨料磨具磨削研究所有限公司 | A kind of Internet of Things grinding wheel |
| CN109324058A (en) * | 2018-10-26 | 2019-02-12 | 天津工业大学 | A kind of detection device for tool wear |
| CN110280969A (en) * | 2019-07-18 | 2019-09-27 | 佛山科学技术学院 | A kind of internal grinder remanufactures restorative procedure |
| CN111036947A (en) * | 2019-12-06 | 2020-04-21 | 深圳先进技术研究院 | Tool rest assembly of machine tool equipment, tool assembly and machine tool equipment |
| CN111618656A (en) * | 2019-02-27 | 2020-09-04 | 发那科株式会社 | System for predicting occurrence of machining failure in machine tool |
| CN112846941A (en) * | 2019-11-28 | 2021-05-28 | 中国商用飞机有限责任公司 | Machine tool with notch appearance detection function and notch appearance detection method |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104837591A (en) * | 2012-11-30 | 2015-08-12 | 小松Ntc株式会社 | Machine tool |
| US9561570B2 (en) | 2012-11-30 | 2017-02-07 | Komatsu Ntc Ltd. | Machine tool |
| CN104837591B (en) * | 2012-11-30 | 2017-03-08 | 小松Ntc株式会社 | Lathe |
| CN103076763A (en) * | 2012-12-26 | 2013-05-01 | 山东拓维数控设备有限公司 | Real-time detection system for state of cutting tool of numerical control machine tool |
| CN103056727A (en) * | 2013-01-14 | 2013-04-24 | 南京格蕾飞信息技术有限公司 | Machine vision cutter of CNC (computerized numeral control) machine tool |
| CN104117876A (en) * | 2013-04-28 | 2014-10-29 | 郑州大学 | Method and device for checking whether cutting tool is broken or abraded or not |
| CN104117876B (en) * | 2013-04-28 | 2018-08-03 | 郑州大学 | A kind of method and its equipment for checking cutting tool and whether breaking or wearing out |
| CN104175223A (en) * | 2013-05-23 | 2014-12-03 | 中村留精密工业株式会社 | Self-diagnosis method of machine tool and correction method of machine tool precision |
| CN104175223B (en) * | 2013-05-23 | 2018-09-07 | 中村留精密工业株式会社 | The modification method of the self-diagnosing method of lathe and the machine tool accuracy of lathe |
| CN107520818A (en) * | 2016-06-16 | 2017-12-29 | 罗伯特·博世有限公司 | For the method for the operator for aiding in hand tool |
| CN107911802B (en) * | 2017-12-01 | 2020-10-27 | 中国电子科技集团公司第二十二研究所 | Wireless communication system and method applied to shield machine hob state monitoring |
| CN107911802A (en) * | 2017-12-01 | 2018-04-13 | 中国电子科技集团公司第二十二研究所 | Wireless communication system and method applied to shield machine roller cutter status monitoring |
| CN107877261A (en) * | 2017-12-14 | 2018-04-06 | 深圳市塔雷斯测量设备有限公司 | A kind of lathe optical positioning calibrator |
| CN108972376A (en) * | 2018-07-04 | 2018-12-11 | 郑州磨料磨具磨削研究所有限公司 | A kind of Internet of Things grinding wheel |
| CN109324058A (en) * | 2018-10-26 | 2019-02-12 | 天津工业大学 | A kind of detection device for tool wear |
| CN111618656A (en) * | 2019-02-27 | 2020-09-04 | 发那科株式会社 | System for predicting occurrence of machining failure in machine tool |
| CN110280969A (en) * | 2019-07-18 | 2019-09-27 | 佛山科学技术学院 | A kind of internal grinder remanufactures restorative procedure |
| CN112846941A (en) * | 2019-11-28 | 2021-05-28 | 中国商用飞机有限责任公司 | Machine tool with notch appearance detection function and notch appearance detection method |
| CN111036947A (en) * | 2019-12-06 | 2020-04-21 | 深圳先进技术研究院 | Tool rest assembly of machine tool equipment, tool assembly and machine tool equipment |
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