CN106647628A - Real time collection method for G code execution state data during numerical control processing procedures - Google Patents
Real time collection method for G code execution state data during numerical control processing procedures Download PDFInfo
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- CN106647628A CN106647628A CN201611217043.0A CN201611217043A CN106647628A CN 106647628 A CN106647628 A CN 106647628A CN 201611217043 A CN201611217043 A CN 201611217043A CN 106647628 A CN106647628 A CN 106647628A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
- G05B19/4063—Monitoring general control system
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
- G05B19/4068—Verifying part programme on screen, by drawing or other means
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/34—Director, elements to supervisory
- G05B2219/34493—Supervision, display diagnostic, use or select between different stored screen
Abstract
The invention belongs to the technical field of data collection of numerical control machine tools and specifically relates to a real time collection method for G code execution state data during numerical control processing procedures. According to the method, Bluetooth module hardware is plugged onto a numerical control machine tool operation panel via an interface, connection between a data collection terminal and a numerical control system is built via a Bluetooth module, data interaction between the data collection terminal and the numerical control system is conducted via a data exchange protocol, and service is provided for the data collection terminal by the numerical control system via a numerical control system Bluetooth data service module program. Via the method, internal and external sensor information of a numerical control machine tool can be collected; G code information of machine tool processing procedures can be collected, machine tool faults can be diagnosed and analyzed based on combination of the G code information and sensor data, no extra hardware upgrading is needed by the method, equipment transformation costs can be greatly lowered, and the method is suitable for large scale popularization and usage.
Description
Technical field
The invention belongs to Digit Control Machine Tool data acquisition technology field, more particularly, to G generations in a kind of NC Machining Process
Code perform status data real-time collecting method, its can gather Digit Control Machine Tool inside, external sensor information while,
The course of processing G code information of lathe is gathered simultaneously.
Background technology
At present, Digit Control Machine Tool machining state can pass through internal motor current sensor, outside vibrating sensor etc.
It is monitored；But many Digit Control Machine Tools can not pair plus man-hour G code information and record, cause machine failure to be examined
Machine tooling status information disappearance corresponding to the change of the sensor signals such as electric current, vibration during disconnected analysis.
Due to there is drawbacks described above and deficiency, this area is needed badly to make and is further improved, and designs a kind of numerical control
System course of processing collecting method so as to while inside, the external sensor information of Digit Control Machine Tool is gathered, can be by
The course of processing G code of lathe also serve as all the way sensor information synchronizing collection such that it is able to by the information and other
Sensor information carries out together comprehensive analysis, is diagnosed when lathe breaks down and is analyzed.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides G code in a kind of NC Machining Process
The real-time collecting method of status data is performed, the method is inserted on NC machine tool operation panel using bluetooth module by interface,
Set up by bluetooth between data collection station and digital control system and connected, data collection station is by data exchange agreement and numerical control system
System carries out the interaction of data, and digital control system with digital control system blue-teeth data service module program by providing data collection station
Service.The method can be while inside, the external sensor information of Digit Control Machine Tool be gathered, while gathering the processed of lathe
Journey G code information, these data can be used in monitoring the running status of lathe, and compensate for using sensor acquisition lathe thing
Disappearance during reason signal to machine tooling status information, can cooperate with sensing data carries out machine failure diagnosis and divides
Analysis.
For achieving the above object, according to one aspect of the present invention, there is provided G code is performed in a kind of NC Machining Process
The real-time collecting method of status data, it is characterised in that it adopts Blue-tooth communication method by running on the number in digital control system
Control system blue-teeth data service module realizes the data interaction between data collection station and digital control system, wherein the digital control system
Interacting for data is carried out by data exchange agreement between data collection station, the data exchange agreement includes request bag, answers
Answering bag, packet, state keeps bag, configuration bag and basis bag, the real-time collecting method to specifically include following steps：
S1. digital control system is started, data collection station is set up and the bluetooth connection between digital control system；
S2. set up after bluetooth connection, data collection station is sent to digital control system by bluetooth and sets up data acquisition connection
Request bag, and wait the response of digital control system, digital control system blue-teeth data service module is received after the request bag, sends correspondence
Response bag, show to agree to or disagree and set up data acquisition connection；
S3. digital control system blue-teeth data service module sends response bag and agrees to set up after data acquisition connection, digital control system
Data acquisition connection is set up with data collection station, and the mutual transmission state of durations keeps bag, shows that oneself is online；
S4. before data acquisition starts, data collection station first send configuration bag on demand, the service of digital control system blue-teeth data
Module is received after the bag, and acquisition scheme is configured by configuration bag data content, after the completion of operation, digital control system blue-teeth data
Service module to data collection station sends corresponding response bag, shows configuration successful or failure；
S5. after configuration successful, data collection station sends and starts to gather corresponding request bag, digital control system blue-teeth data clothes
Business module is received after the bag, is sent agreement collection or is refused collection response bag, shows that collection is asked successfully or failed, and collection please
Hope for success after work(, digital control system blue-teeth data service module starts by sampling plan, carry out data collection task, and by basis bag
Constantly send to data collection station；
S6. after the completion of data acquisition, data collection station sends collection and stops request, and the reception for stopping data collection,
Digital control system blue-teeth data service module receives collection to be stopped after request, data collection task being stopped immediately, so as to realize base
The Real-time Collection of status data is performed in the NC Machining Process G code of bluetooth.
It is further preferred that being provided with interface in the digital control system, bluetooth module is entered by the interface and digital control system
Row connection.
Preferably, the digital control system blue-teeth data service module of the digital control system is in the way of digital control system of upgrading, quilt
In being added to the digital control system of Digit Control Machine Tool.
Preferably, the system operation ring that the initialization of the digital control system blue-teeth data service module starts in digital control system
Carry out immediately after the completion of the initial phase of border, to ensure its initialization procedure used in the resource that arrives all through initialization.
Preferably, in the digital control system running, the main task of the digital control system blue-teeth data service module
Repetition of the program code by digital control system in the non-core thread intermittent of low priority is called, with ensure its code operation not
Any impact is produced on digital control system in digital control processing on the real-time control of lathe.
Preferably, all resources exited when digital control system is exited of the digital control system blue-teeth data service module are released
Put and all service stoppings before carry out, with ensure the digital control system resource for having discharged or stopped digital control system service no longer by
It is used.
Preferably, the data exchange agreement between the digital control system and data collection station defines digital control system and data
The data packet format requirement of data exchange is carried out between acquisition terminal by bluetooth module, wherein,
The bag data of request bag is request code；
The bag data of response bag by response request code and conditional code, conditional code be used for show request operate successfully or
Failure；
The bag data of packet be information type code, value of information byte number, value of information type codes and the value of information, packet
Bag data has multiple " information type code-value of information byte number-value of information type codes-value of information " units, for digital control system (2)
Exchange with the information between data collection station (3)；
State keeps bag without bag data, for mutually notifying in wire between digital control system (2) and data collection station (3)
State, if the side state for not receiving the opposing party interior for a period of time keeps bag, stops all and its data transfer；
The bag data of configuration bag is followed successively by Configuration Type code and Configuration Values, there is multiple " Configuration Type code-Configuration Values " units,
For configuring to data acquisition plan；
The bag data of basis bag is gathered data.
In general, by contemplated above the technical scheme of the present invention compared with prior art, with advantages below with
Beneficial effect：
(1) bluetooth module hardware of the invention is inserted on NC machine tool operation panel by interface, data collection station with
Set up by bluetooth between digital control system and connected, data collection station carries out the friendship of data by data exchange agreement and digital control system
Mutually, digital control system to data collection station with digital control system blue-teeth data service module program by providing service.By numerical control
Data exchange agreement between system and data collection station can carry out flexible configuration to acquisition scheme, be actually needed with meeting.
The digital control system of this method only needs to arrange a bluetooth module interface, and bluetooth module is added by way of digital control system of upgrading
In entering existing digital control system, it is not necessary to extra HardwareUpgring.
(2) in the collecting method of the present invention, lathe external equipment can be in real time obtained in lathe by bluetooth
Portion's data, these data can be used in monitoring the running status of lathe, and compensate for believing using sensor acquisition lathe physics
Number when disappearance to machine tooling status information, can cooperate with sensing data carries out machine failure diagnosis and analysis.
(3) the NC Machining Process G code of blue tooth interface of the invention performs status data real-time collecting method, Neng Goujian
Single G code easily from lathe outside collection NC Machining Process performs real-time status data, and the method need not be done
Extra HardwareUpgring, greatlys save the cost of scrap build, and suitable large-scale promotion is used.
Description of the drawings
Fig. 1 is the hardware facility schematic diagram of the present invention；
Fig. 2 is the communication scheme of the present invention；
Fig. 3 is total operational flow diagram of the digital control system blue-teeth data service module in digital control system in embodiment；
Fig. 4 is digital control system blue-teeth data service module mission flow diagram in embodiment；
Fig. 5 is the form of the data exchange agreement datagram between digital control system and bluetooth module.Wherein A is all types number
According to the packet basic structure all having of bag；B represents the packet structure of request bag；C is the bag data structure of response bag；D
For the bag data form of packet；E represents that state keeps the bag data structure of bag；F is the bag data structure of configuration bag；G is base
The bag data structure of plinth bag.
Fig. 6 is a kind of interaction flow of gathered data process between digital control system and data collection station in embodiment.
In all of the figs, identical reference be used for represent identical element or structure, wherein：
Wherein 1- bluetooth modules, 2- digital control systems, 21- digital control system blue-teeth data service modules, 22- interfaces, 3- data
Terminal acquisition system.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.As long as additionally, technical characteristic involved in invention described below each embodiment
Not constituting conflict each other just can be mutually combined.
G code performs the real-time collecting method of status data in a kind of NC Machining Process, it is characterised in that it adopts indigo plant
Tooth communication mode realizes data collection station 3 by the digital control system blue-teeth data service module 21 run in digital control system 2
With the data interaction between digital control system 2, wherein between the digital control system 2 and data collection station 3 by data exchange agreement come
The interaction of data is carried out, the data exchange agreement includes that request bag, response bag, packet, state keep bag, configuration bag and basis
Bag, the real-time collecting method specifically includes following steps：
S1. digital control system 2 is started, data collection station 3 is set up and the bluetooth connection between digital control system 2；
S2. set up after bluetooth connection, data collection station 3 is sent to digital control system 2 by bluetooth and sets up data acquisition company
The request bag for connecing, and the response of digital control system 2 is waited, digital control system blue-teeth data service module 21 is received after the request bag, is sent out
Corresponding response bag is sent, shows to agree to or disagree to set up data acquisition connection；
S3. digital control system blue-teeth data service module 21 sends response bag and agrees to set up after data acquisition connection, numerical control system
System 2 and data collection station 3 set up data acquisition connection, and the mutual transmission state of durations keeps bag, shows oneself
Online；
S4. before data acquisition starts, the first send configuration bag on demand of data collection station 3, digital control system blue-teeth data clothes
Business module 21 is received after the bag, and acquisition scheme is configured by configuration bag data content, after the completion of operation, digital control system bluetooth
Data service module 21 to data collection station 3 sends corresponding response bag, shows configuration successful or failure；
S5. after configuration successful, data collection station 3 sends and starts to gather corresponding request bag, digital control system blue-teeth data
Service module 21 is received after the bag, is sent agreement collection or is refused collection response bag, shows that collection is asked successfully or failed, and is adopted
After collection request success, digital control system blue-teeth data service module 21 starts by sampling plan, carries out data collection task, and passes through
Basis bag is constantly sent to data collection station 3；
S6. after the completion of data acquisition, data collection station 3 sends collection and stops request, and the reception for stopping data collection,
Digital control system blue-teeth data service module 21 receives collection to be stopped after request, data collection task being stopped immediately, so as to realize
NC Machining Process G code based on bluetooth performs the Real-time Collection of status data.
In a preferred embodiment of the invention, interface 22 is provided with the digital control system 2, bluetooth module 1 passes through
The interface 22 is attached with digital control system 2.
In a preferred embodiment of the invention, the digital control system blue-teeth data service module 21 of the digital control system with
The mode of upgrading digital control system 2, in being added to the digital control system 2 of Digit Control Machine Tool.
In a preferred embodiment of the invention, the initialization of the digital control system blue-teeth data service module 21 is being counted
Control system 2 start system running environment initial phase after the completion of carry out immediately, to ensure its initialization procedure used in arrive
Resource all through initialization.
In a preferred embodiment of the invention, in the running of the digital control system 2, the digital control system bluetooth
Repetition of the main task program code of data service module 21 by digital control system 2 in the non-core thread intermittent of low priority is adjusted
With to ensure that the operation of its code does not produce any impact to digital control system in digital control processing 2 to the real-time control of lathe.
In a preferred embodiment of the invention, the digital control system blue-teeth data service module 21 is exited in numerical control
Carry out before the release of all resources and all service stoppings when system 2 is exited, to ensure the digital control system resource that discharged or
The digital control system service of stopping being no longer used by.
In a preferred embodiment of the invention, the data exchange association between the digital control system 2 and data collection station 3
View to be defined and carry out the data packet format requirement of data exchange by bluetooth module 1 between digital control system 2 and data collection station 3,
Wherein,
The bag data of request bag is request code；
The bag data of response bag by response request code and conditional code, conditional code be used for show request operate successfully or
Failure；
The bag data of packet be information type code, value of information byte number, value of information type codes and the value of information, packet
Bag data has multiple " information type code-value of information byte number-value of information type codes-value of information " units, for digital control system 2 with
Information between data collection station 3 is exchanged；
State keeps bag without bag data, for mutually notifying presence between digital control system 2 and data collection station 3, if
The one side state for not receiving the opposing party interior for a period of time keeps bag, then stop all and its data transfer；
The bag data of configuration bag is followed successively by Configuration Type code and Configuration Values, there is multiple " Configuration Type code-Configuration Values " units,
For configuring to data acquisition plan；
The bag data of basis bag is gathered data.
Preferably to explain the present invention, a specific embodiment given below：
Embodiment
In the hardware facility of embodiment shown in Fig. 1, USB bluetooth modules 1 are inserted into the USB 2 in CNC Panel
On.In the operational process of digital control system blue-teeth data service module 21 of embodiment shown in Fig. 2, digital control system initialization is completed
Carry out the initialization of digital control system blue-teeth data service module 21 immediately afterwards, subsequent start-up digital control system free time active thread, and
Waiting for CPU performs digital control system other tasks.After CPU has performed other tasks of digital control system, idle active thread can be processed
In digital control system blue-teeth data service module 21 main task.This process moves in circles to be carried out.
In the main task implementation procedure of digital control system blue-teeth data service module 21, the access of bluetooth hardware is first determined whether
State, does not carry out any operation if not accessing, if accessing, first attempts to the input data bag of reading terminals.If not reading
To packet, then terminal current access state is first judged, any operation is not done if terminal is not accessed.If accessing, judge
Timeout mode is accessed, if having timed out, bluetooth software module is reset to original state, the access of waiting facilities.If having not timed out
Time-out count is from increasing.In read data packet, if having read the packet of the transmission of data collection station, packet class is judged
Type simultaneously makes corresponding process, subsequently resets time-out count.If equipment is accessed, connection has not timed out and data acquisition is opened
Begin, then send freshly harvested data to data terminal.
Main task final step checks the need for closing the function of digital control system blue-teeth data service module 21, to close
Close, then digital control system blue-teeth data service module 21 does not continue to repeat.Before digital control system will be closed, number is stopped first
The operation of control system blue-teeth data service module 21, subsequently, the resource of release digital control system blue-teeth data service module 21, then subsequently
Release digital control system other resources, and it is out of service.Gather with data collection station in the digital control system of embodiment shown in Fig. 3
In the interaction flow of data procedures, first access request is sent from data collection station to digital control system, receive agreement and access and ring
Ying Hou, data collection station sends as needed the request for obtaining lathe information data, such as numerical control system version information, lathe shape
State information, lathe parameter information, G code data etc..Digital control system is received after the request, and to data collection station correlation is sent
Information data.Subsequently, data collection station sends corresponding acquisition scheme configuring request according to collection needs.Digital control system is received
To after the request, according to acquisition scheme configuration parameter, acquisition scheme is configured, and after configuration take-effective, sent out to data collection station
Send configuration successful message.
Data collection station is received after configuration successful message, you can to start collection request, request numerical control system by transmission
System blue-teeth data service module 21 starts data collection task.Digital control system blue-teeth data service module 21 is received to start to sample and asked
After asking, if being currently able to carry out data acquisition, can send and start collection request success message to data collection station, and start
Gathered data, what collected data meeting one was wrapped is sent to data collection station.When data collection station will stop collection
During work, send to digital control system stop collection request first, digital control system is received after the request, and current data are stopped immediately
Collecting work, and stopped message to data collection station transmission collection.
The present invention proposes while collection inside, external sensor information, the course of processing G code of lathe is also served as
All the way sensor information is synchronizing collection, and the form using the USB interface+bluetooth module on Digit Control Machine Tool panel should
Information transmission out carries out comprehensive analysis together with other sensors information.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, not to
The present invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc. are limited, all should be included
Within protection scope of the present invention.
Claims (7)
1. G code performs the real-time collecting method of status data in a kind of NC Machining Process, it is characterised in that it adopts bluetooth
Communication mode realizes data collection station by digital control system blue-teeth data service module (21) run in digital control system (2)
(3) data interaction and between digital control system (2), wherein being handed over by data between the digital control system (2) and data collection station (3)
Change agreement to carry out the interaction of data, the data exchange agreement includes that request bag, response bag, packet, state keep bag, configuration
Bag and basis bag, the real-time collecting method specifically includes following steps：
S1. digital control system (2) is started, data collection station (3) is set up and the bluetooth connection between digital control system (2)；
S2. set up after bluetooth connection, data collection station (3) is sent to digital control system (2) by bluetooth and sets up data acquisition company
The request bag for connecing, and the response of digital control system (2) is waited, digital control system blue-teeth data service module (21) receives the request bag
Afterwards, corresponding response bag is sent, shows to agree to or disagree to set up data acquisition connection；
S3. digital control system blue-teeth data service module (21) sends response bag and agrees to set up after data acquisition connection, digital control system
(2) data acquisition is set up with data collection station (3) to connect, and the mutual transmission state of durations keeps bag, shows certainly
Oneself is online；
S4. before data acquisition starts, data collection station (3) first send configuration bag on demand, the service of digital control system blue-teeth data
Module (21) is received after the bag, and acquisition scheme is configured by configuration bag data content, after the completion of operation, digital control system bluetooth
Data service module (21) to data collection station (3) sends corresponding response bag, shows configuration successful or failure；
S5. after configuration successful, data collection station (3) sends and starts to gather corresponding request bag, digital control system blue-teeth data clothes
Business module (21) is received after the bag, is sent agreement collection or is refused collection response bag, shows that collection is asked successfully or failed, and is adopted
After collection request success, digital control system blue-teeth data service module (21) starts by sampling plan, carries out data collection task, and leads to
Cross basis bag constantly to send to data collection station (3)；
S6. after the completion of data acquisition, data collection station (3) sends collection and stops request, and the reception for stopping data collection, number
Control system blue-teeth data service module (21) receives collection and stops after request, data collection task being stopped immediately, so as to realize
NC Machining Process G code based on bluetooth performs the Real-time Collection of status data.
2. data real-time collection method as claimed in claim 1, it is characterised in that be provided with the digital control system (2) and connect
Mouth (22), bluetooth module (1) is attached by the interface (22) and digital control system (2).
3. data real-time collection method as claimed in claim 1 or 2, it is characterised in that the digital control system of the digital control system
Blue-teeth data service module (21) in the way of digital control system of upgrading (2), in being added to the digital control system of Digit Control Machine Tool (2).
4. data real-time collection method as claimed in claim 3, it is characterised in that the digital control system blue-teeth data services mould
The initialization of block (21) is carried out immediately after the completion of the system running environment initial phase that digital control system (2) starts, to ensure
The resource arrived used in its initialization procedure is all through initialization.
5. data real-time collection method as claimed in claim 4, it is characterised in that in the digital control system (2) running
In, the main task program code of the digital control system blue-teeth data service module (21) is non-in low priority by digital control system (2)
The repetition of kernel thread intermittent is called, to ensure the operation of its code not to digital control system in digital control processing (2) to lathe
Real-time control produce any impact.
6. data real-time collection method as claimed in claim 5, it is characterised in that the digital control system blue-teeth data services mould
Carry out before all resources release exited when digital control system (2) is exited of block (21) and all service stoppings, to ensure to release
The digital control system resource put or the digital control system service for having stopped being no longer used by.
7. data real-time collection method as claimed in claim 6, it is characterised in that the digital control system (2) and data acquisition
Data exchange agreement between terminal (3) defined and entered by bluetooth module (1) between digital control system (2) and data collection station (3)
The data packet format requirement of row data exchange, wherein,
The bag data of request bag is request code；
The bag data of response bag by response request code and conditional code, conditional code be used for show request operate successfully or mistake
Lose；
The bag data of packet be information type code, value of information byte number, value of information type codes and the value of information, the bag number of packet
According to there is multiple " information type code-value of information byte number-value of information type codes-value of information " units, for digital control system (2) and number
Exchange according to the information between acquisition terminal (3)；
State keeps bag without bag data, for mutually notifying presence between digital control system (2) and data collection station (3), if
The one side state for not receiving the opposing party interior for a period of time keeps bag, then stop all and its data transfer；
The bag data of configuration bag is followed successively by Configuration Type code and Configuration Values, there is multiple " Configuration Type code-Configuration Values " units, is used for
Data acquisition plan is configured；
The bag data of basis bag is gathered data.
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| CN109542048A (en) * | 2017-09-22 | 2019-03-29 | 科德数控股份有限公司 | A kind of display methods of digital control system mode G code |
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