CN202985345U - Operation and craft state monitoring and diagnostic device of numeral control external cylindrical grinding machine - Google Patents
Operation and craft state monitoring and diagnostic device of numeral control external cylindrical grinding machine Download PDFInfo
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- CN202985345U CN202985345U CN 201220605764 CN201220605764U CN202985345U CN 202985345 U CN202985345 U CN 202985345U CN 201220605764 CN201220605764 CN 201220605764 CN 201220605764 U CN201220605764 U CN 201220605764U CN 202985345 U CN202985345 U CN 202985345U
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Abstract
The utility model discloses an operation and craft state monitoring and diagnostic device of a numeral control external cylindrical grinding machine. The operation and craft state monitoring and diagnostic device comprises a grinding machine operation and craft state monitoring device and a grinding machine operation and craft state diagnostic device. The grinding machine operation and craft state monitoring device comprises a sensor for monitoring, a data collecting platform and a computer. The sensor for monitoring is connected with the data collecting platform, the data collecting platform is connected with the computer, and the grinding machine operation and craft state monitoring device is connected with the grinding machine operation and craft state diagnostic device. The function of the grinding machine operation and craft state diagnostic device is achieved on the basis of the computer. Rapid responding capacity of a grinding machine manufacturing enterprise to faults of a user is improved according to measurement, analysis and diagnosis of key signals in the process of grinding machine machining. An intelligent diagnostic module is integrated with a numeral control part of an existing precise machine tool, and thus on-line diagnosis of faults of the machine tool is achieved.
Description
Technical field
The utility model relates to the monitor and diagnosis technical field, particularly a kind of numerical control external cylindrical grinding machine operation and monitoring technique condition and diagnostic device.
Background technology
Its core technology of Digit Control Machine Tool intelligence equipment is online measuring technique and intelligent monitoring diagnostic techniques, has the monitoring of process and the ability that state of the art is judged.Japanese MAZAK company had put on display first of world intelligent machine tool in the IMTS exhibition in 2006, but, intelligent machine tool state of development outside Current Domestic, reach ripe " adapt to and control " machine tool horizontal, distance is also very long, also need to carry out many deep research work, particularly aspect the automatic collection of machine tooling technological parameter, storage, regulation and control, all also need further investigation.At present, China lathe manufacturer only monitors for the particular state of indivedual special purpose machine tools, there is no the ripe reliability assessment for lathe operation and state of the art, Intelligent fault prediction and diagnostic system.
The CN202147217U patent has proposed a kind of monitoring system that detects machining states of grinding machine, and system mainly is made of digital control system, sonar sensor, acoustic emission detection system and PLC system; The CN102566501A patent of invention has proposed a kind of Digit Control Machine Tool real-time dynamic monitoring and method for diagnosing faults, can realize the online dynamic-configuration function of lathe; The CN102495592A patent of invention has proposed a kind of numerical control machine tool monitoring system, can realize the real-time read-write of the various parameters of numerical control internal system is controlled.But, above patent is just carried out monitor and diagnosis to the running status of Digit Control Machine Tool, the state of the art of Digit Control Machine Tool do not detected and diagnose, and the lathe state of the art having important impact to the processing characteristics of lathe, is the important indicator of estimating lathe operation stability and reliability.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model is to provide a kind of numerical control external cylindrical grinding machine operation and monitoring technique condition and diagnostic device, can realize real-time measurement and diagnosis to four kinds of main running statuses of numerically control grinder, and in conjunction with the monitor and diagnosis to three kinds of main technique states of numerically control grinder, realization detects and assessment the numerically control grinder overall performance, effectively improves machining accuracy and the reliability of lathe.
In order to achieve the above object, the technical scheme taked of the utility model is:
A kind of numerical control external cylindrical grinding machine operation and monitoring technique condition and diagnostic device, comprise grinding machine operation and monitoring technique condition device 1 and grinding machine operation and state of the art diagnostic device 2, grinding machine operation and monitoring technique condition device 1 comprise monitoring sensor 3, data acquisition platform 4 and computer 5, monitoring is connected with the input of data acquisition platform 4 with the signal output of sensor 3, the output of data acquisition platform 4 is connected with computer 5, and computer 5 is connected with the Data Input Interface of grinding machine operation and state of the art diagnostic device 2;
Described grinding machine operation and process diagnosis device 2 are set up diagnostic model 5-3 in computer 5, wherein, diagnostic model 5-3 comprises grinding machine condition diagnosing model 5-3a, are used for diagnosing frequency and the amplitude of guideway of grinding machine running precision and lathe bed vibration; Emery wheel condition diagnosing model 5-3b is used for diagnosing the running status of emery wheel in process, and running status comprises that abrasion of grinding wheel, emery wheel breakage and emery wheel stop up; The operate miss diagnostic model 5-3c of state of the art diagnostic model is used for diagnosing the clamping deviation of workpiece; The product quality diagnostic model 5-3d of state of the art diagnostic model is used for diagnosing surface roughness and the burn degree of processing rear product.
Described monitoring comprises running state monitoring sensor and monitoring technique condition sensor with sensor 3, and wherein, running state monitoring comprises power sensor 3-1 with sensor, is used for measuring the power of grinding machine spindle; Displacement transducer 3-2 is used for measuring displacement and the lathe bed vibratory output of guideway of grinding machine; Pressure sensor 3-3, the size of two top pressures when being used for measuring clamping workpiece also is used for simultaneously measuring pressure and the pasta position of lubricating oil in lubricating system; Monitoring technique condition comprises circularity sensor 3-4 with sensor, is used for measuring the circularities of grinding machine processing work; Imageing sensor 3-5 is used for measuring surface roughness and the burn degree of grinding machine processing work.
Described monitoring gathers operation and the state of the art signal of lathe with sensor 3 and complete the fusion of data on data acquisition platform 4, and this fusion signal is input to and completes the work that data are processed 5-1 and testing result demonstration 5-2 in computer 5 afterwards.
The measurement of described grinding machine operation and monitoring technique condition device 1 settling signal also outputs to grinding machine operation and state of the art diagnostic device 2, afterwards, the lathe real-time status signal of on-line measurement compares with the diagnostic model 5-3 that has set up, complete knowledge base and build 5-4, comparative result is completed diagnosis and the demonstration of the operation of grinding machine complete machine and state of the art by diagnostic result demonstration 5-6 module after condition diagnosing 5-5 module analysis, processing.
The utility model is according to measurement and analysis to key signal in the grinding machine process, and diagnose, improved lathe manufacturing enterprise to the capability of fast response of user malfunction, this intelligent diagnostics module is mutually integrated with the digital control system part of existing precision machine tool, realized the diagnosis of the online fault of lathe.The utility model can further improve operational efficiency, the precision of lathe, and reliability, can be achieved as follows effect:
(1) avoid due to the caused production mistake of operate miss;
(2) shorten the empty mill of emery wheel stroke;
(3) improve emery wheel optimization and process optimization efficient;
(4) reduce and final products dimension overproof overproof by machine tool accuracy and the percent defective that causes.
Description of drawings
Accompanying drawing is structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to accompanying drawing, a kind of numerical control external cylindrical grinding machine operation and monitoring technique condition and diagnostic device, comprise grinding machine operation and monitoring technique condition device 1 and grinding machine operation and state of the art diagnostic device 2, grinding machine operation and monitoring technique condition device 1 comprise monitoring sensor 3, data acquisition platform 4 and computer 5, monitoring is connected with the input of data acquisition platform 4 with the signal output of sensor 3, the output of data acquisition platform 4 is connected with computer 5, and computer 5 is connected with the Data Input Interface of grinding machine operation and state of the art diagnostic device 2;
Described grinding machine operation and process diagnosis device 2 are set up diagnostic model 5-3 in computer 5, wherein, diagnostic model 5-3 comprises grinding machine condition diagnosing model 5-3a, are used for diagnosing frequency and the amplitude of guideway of grinding machine running precision and lathe bed vibration; Emery wheel condition diagnosing model 5-3b is used for diagnosing the running status of emery wheel in process, and running status comprises that abrasion of grinding wheel, emery wheel breakage and emery wheel stop up; The operate miss diagnostic model 5-3c of state of the art diagnostic model is used for diagnosing the clamping deviation of workpiece; The product quality diagnostic model 5-3d of state of the art diagnostic model is used for diagnosing surface roughness and the burn degree of processing rear product.
Described monitoring comprises running state monitoring sensor and monitoring technique condition sensor with sensor 3, and wherein, running state monitoring comprises power sensor 3-1 with sensor, is used for measuring the power of grinding machine spindle; Displacement transducer 3-2 is used for measuring displacement and the lathe bed vibratory output of guideway of grinding machine; Pressure sensor 3-3, the size of two top pressures when being used for measuring clamping workpiece also is used for simultaneously measuring pressure and the pasta position of lubricating oil in lubricating system; Monitoring technique condition comprises circularity sensor 3-4 with sensor, is used for measuring the circularities of grinding machine processing work; Imageing sensor 3-5 is used for measuring surface roughness and the burn degree of grinding machine processing work.
Described monitoring gathers operation and the state of the art signal of lathe with sensor 3 and complete the fusion of data on data acquisition platform 4, this fusion signal is input in computer 5 afterwards, and computer 5 is completed the work that data are processed 5-1 and testing result demonstration 5-2.
The measurement of described grinding machine operation and monitoring technique condition device 1 settling signal also outputs to grinding machine operation and state of the art diagnostic device 2, afterwards, the lathe real-time status signal of on-line measurement compares with the diagnostic model 5-3 that has set up, complete knowledge base and build 5-4, comparative result is completed diagnosis and the demonstration of the operation of grinding machine complete machine and state of the art by diagnostic result demonstration 5-6 module after condition diagnosing 5-5 module analysis, processing.
Operation principle of the present utility model is: numerically control grinder is in running, grinding machine operation and the monitoring technique condition device 1 monitoring sensor 3 by being arranged on the lathe bed diverse location, carry out the measurement of lathe operation and state of the art, the utility model sensor used has five kinds, and each sensor all can be measured a kind of and more than one conditions of machine tool signal, power sensor 3-1 is used for measuring the power of grinding machine spindle; Displacement transducer 3-2 is used for measuring displacement and the lathe bed vibratory output of guideway of grinding machine; Pressure sensor 3-3, the size of two top pressures when being used for measuring clamping workpiece also is used for simultaneously measuring pressure and the pasta position of lubricating oil in lubricating system; Circularity sensor 3-4 is used for measuring the circularities of grinding machine processing work; Imageing sensor 3-5 is used for measuring surface roughness and the burn degree of grinding machine processing work, and institute's survey state carries out data fusion in data acquisition platform 4, outputs to after fusion to carry out the demonstration 5-2 that data are processed 5-1 and testing result in computer 5.Grinding machine operation and state of the art diagnostic device 2 with the measurement result of grinding machine operation and monitoring technique condition device 1 as input, and take computer 5 as the basis, according to the larger major failure of lathe runnability impact is designed and develop diagnostic model 5-3, wherein, grinding machine condition diagnosing model 5-3a is used for diagnosing frequency and the amplitude of the vibration of guideway of grinding machine running precision and lathe bed; Emery wheel condition diagnosing model 5-3b is used for diagnosing the running status of emery wheel in process, comprises that abrasion of grinding wheel, emery wheel breakage and emery wheel stop up; Operate miss diagnostic model 5-3c is used for diagnosing the clamping deviation of workpiece; Product quality diagnostic model 5-3d, be used for diagnosing surface roughness and the burn degree of the rear product of processing, measuring-signal compares with the diagnostic model 5-3 that has set up, complete knowledge base and build 5-4, comparative result is completed diagnosis and the demonstration of the operation of grinding machine complete machine and state of the art by diagnostic result demonstration 5-6 module after condition diagnosing 5-5 module analysis, processing.
Claims (4)
1. a numerical control external cylindrical grinding machine operation and monitoring technique condition and diagnostic device, it is characterized in that: comprise grinding machine operation and monitoring technique condition device (1) and grinding machine operation and state of the art diagnostic device (2), grinding machine operation and monitoring technique condition device (1) comprise monitoring sensor (3), data acquisition platform (4) and computer (5), monitoring is connected with the input of data acquisition platform (4) with the signal output of sensor (3), the output of data acquisition platform (4) is connected with computer (5), computer (5) is connected with the Data Input Interface of grinding machine operation and state of the art diagnostic device (2),
Described grinding machine operation and process diagnosis device (2) are set up diagnostic model (5-3) in computer (5), wherein, diagnostic model (5-3) comprises grinding machine condition diagnosing model (5-3a), is used for diagnosing frequency and the amplitude of guideway of grinding machine running precision and lathe bed vibration; Emery wheel condition diagnosing model (5-3b) is used for diagnosing the running status of emery wheel in process, and running status comprises that abrasion of grinding wheel, emery wheel breakage and emery wheel stop up; The operate miss diagnostic model (5-3c) of state of the art diagnostic model is used for diagnosing the clamping deviation of workpiece; The product quality diagnostic model (5-3d) of state of the art diagnostic model is used for diagnosing surface roughness and the burn degree of processing rear product.
2. a kind of numerical control external cylindrical grinding machine operation according to claim 1 and monitoring technique condition and diagnostic device, it is characterized in that: described monitoring comprises running state monitoring sensor and monitoring technique condition sensor with sensor (3), wherein, running state monitoring comprises power sensor (3-1) with sensor, is used for measuring the power of grinding machine spindle; Displacement transducer (3-2) is used for measuring displacement and the lathe bed vibratory output of guideway of grinding machine; Pressure sensor (3-3), the size of two top pressures when being used for measuring clamping workpiece also is used for simultaneously measuring pressure and the pasta position of lubricating oil in lubricating system; Monitoring technique condition comprises circularity sensor (3-4) with sensor, is used for measuring the circularities of grinding machine processing work; Imageing sensor (3-5) is used for measuring surface roughness and the burn degree of grinding machine processing work.
3. a kind of numerical control external cylindrical grinding machine operation according to claim 1 and 2 and monitoring technique condition and diagnostic device, it is characterized in that: described monitoring gathers operation and the state of the art signal of lathe with sensor (3) and complete the fusion of data on data acquisition platform (4), and this fusion signal is input to and completes the work that data are processed (5-1) and testing result demonstration (5-2) in computer (5) afterwards.
4. a kind of numerical control external cylindrical grinding machine operation according to claim 1 and monitoring technique condition and diagnostic device, it is characterized in that: the measurement of described grinding machine operation and monitoring technique condition device (1) settling signal also outputs to grinding machine operation and state of the art diagnostic device (2), afterwards, the lathe real-time status signal of on-line measurement compares with the diagnostic model (5-3) of having set up, complete knowledge base and build (5-4), comparative result is through condition diagnosing (5-5) module analysis, after processing, completed diagnosis and the demonstration of the operation of grinding machine complete machine and state of the art by diagnostic result demonstration (5-6) module.
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| CN 201220605764 CN202985345U (en) | 2012-11-16 | 2012-11-16 | Operation and craft state monitoring and diagnostic device of numeral control external cylindrical grinding machine |
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| CN 201220605764 CN202985345U (en) | 2012-11-16 | 2012-11-16 | Operation and craft state monitoring and diagnostic device of numeral control external cylindrical grinding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975119A (en) * | 2012-11-16 | 2013-03-20 | 清华大学 | Monitoring and diagnosing system of operation and process state of numerically controlled cylindrical grinding machine |
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- 2012-11-16 CN CN 201220605764 patent/CN202985345U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975119A (en) * | 2012-11-16 | 2013-03-20 | 清华大学 | Monitoring and diagnosing system of operation and process state of numerically controlled cylindrical grinding machine |
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Granted publication date: 20130612 |