CN106647628B - G code executes the real-time collecting method of status data in a kind of NC Machining Process - Google Patents
G code executes the real-time collecting method of status data in a kind of NC Machining Process Download PDFInfo
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- CN106647628B CN106647628B CN201611217043.0A CN201611217043A CN106647628B CN 106647628 B CN106647628 B CN 106647628B CN 201611217043 A CN201611217043 A CN 201611217043A CN 106647628 B CN106647628 B CN 106647628B
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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
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- 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 numerically-controlled machine tool data acquisition technology fields, the real-time collecting method of status data is executed more particularly to G code in a kind of NC Machining Process, bluetooth module hardware is inserted on NC machine tool operation panel by this method by interface, make to establish connection by bluetooth module between data collection station and digital control system, data collection station carries out the interaction of data by data exchange agreement and digital control system, and digital control system is by providing service to data collection station with digital control system blue-teeth data service module program.This method can be while inside, the external sensor information for acquiring numerically-controlled machine tool, the process G code information of lathe is acquired simultaneously, it can cooperate with sensing data and carry out machine failure diagnosis and analysis, and this method does not need to do additional HardwareUpgring, the cost of scrap build is greatly saved, large-scale promotion is suitble to use.
Description
Technical field
The invention belongs to numerically-controlled machine tool data acquisition technology fields, more particularly, to G generation in a kind of NC Machining Process
Code execute status data real-time collecting method, can acquire numerically-controlled machine tool inside, external sensor information while,
The process G code information of lathe is acquired simultaneously.
Background technique
Currently, numerically-controlled machine tool machining state can pass through internal motor current sensor, external vibrating sensor etc.
It is monitored；But many numerically-controlled machine tools cannot be acquired and record to G code information when processing, and machine failure is caused to be examined
The machine tooling status information corresponding to the variation of the sensor signals such as electric current, vibration lacks when disconnected analysis.
Since there are drawbacks described above and deficiency, this field needs to make and further improve, a kind of numerical control is designed
System process collecting method makes it while inside, the external sensor information for acquiring numerically-controlled machine tool, can incite somebody to action
The process G code of lathe also synchronizes acquisition as sensor information all the way, so as to by the information and other
Sensor information carries out comprehensive analysis together, is diagnosed and is analyzed when lathe breaks down.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides G codes in a kind of NC Machining Process
The real-time collecting method of status data is executed, this method is inserted on NC machine tool operation panel using bluetooth module by interface,
Connection is established by bluetooth between data collection station and digital control system, data collection station passes through data exchange agreement and numerical control system
System carries out the interaction of data, and digital control system is by providing data collection station with digital control system blue-teeth data service module program
Service.This method can be while inside, the external sensor information for acquiring numerically-controlled machine tool, while acquiring the processed of lathe
Journey G code information, these data can be used in monitoring the operating status of lathe, and compensate for and acquire lathe object using sensor
To the missing of machine tooling status information when reason signal, it can cooperate with sensing data and carry out machine failure diagnosis and divide
Analysis.
To achieve the above object, according to one aspect of the present invention, G code in a kind of NC Machining Process is provided to execute
The real-time collecting method of status data, which is characterized in that it uses 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
The interaction of data is carried out by data exchange agreement between data collection station, which includes request packet, answers
Answer packet, packet, state keep packet, configuration packet and basis packet, the real-time collecting method specifically includes the following steps:
S1. start digital control system, data collection station establishes the bluetooth connection between digital control system；
S2. after establishing bluetooth connection, data collection station establishes data acquisition connection to digital control system transmission by bluetooth
Request packet, and wait the response of digital control system, after digital control system blue-teeth data service module receives the request packet, send and correspond to
Response bag, show to agree to or disagree to establish data acquisition connection；
S3. digital control system blue-teeth data service module sends response bag and agrees to after establishing data acquisition connection, digital control system
Data acquisition connection is established with data collection station, and the mutual transmission state of durations keeps packet, shows that oneself is online；
S4. before data acquisition starts, data collection station first sends configuration packet, digital control system blue-teeth data service as needed
After module receives the packet, acquisition scheme is configured by configuration bag data content, after the completion of operation, digital control system blue-teeth data
Service module sends corresponding response bag to data collection station, shows configuration successful or failure；
S5. after configuration successful, data collection station transmission starts to acquire corresponding request packet, digital control system blue-teeth data clothes
It after business module receives the packet, sends and agrees to acquisition or refusal acquisition response bag, show that acquisition is requested successfully or failure, acquisition are asked
Hope for success after function, digital control system blue-teeth data service module starts to carry out data collection task, and pass through basis packet by sampling plan
Constantly it is sent to data collection station；
S6. after the completion of data acquisition, data collection station sends acquisition and stops request, and the reception to stop data collection,
Digital control system blue-teeth data service module, which receives acquisition, to be stopped after requesting, and stops data collection task immediately, to realize base
The real-time acquisition of status data is executed in the NC Machining Process G code of bluetooth.
It is further preferred that be provided with interface in the digital control system, bluetooth module by the interface and digital control system into
Row connection.
Preferably, the digital control system blue-teeth data service module of the digital control system is in a manner of upgrading digital control system, quilt
It is added in the digital control system of numerically-controlled machine tool.
Preferably, the initialization of the digital control system blue-teeth data service module runs ring in the system that digital control system starts
Carried out after the completion of the initial phase of border immediately, with guarantee in its initialization procedure using to resource all have been subjected to initialization.
Preferably, in the digital control system operational process, 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, to guarantee the operation of its code not
Any influence is generated to real-time control of the digital control system in numerical control processing to lathe.
Preferably, all resources of the digital control system blue-teeth data service module exited when digital control system exits are released
Put and all service stoppings before carry out, with guarantee the digital control system resource that has discharged or the service of stopped digital control system 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 packet is request code；
The bag data of response bag by response request code and status code, status code 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, is used for digital control system (2)
With the information exchange between data collection station (3)；
State keeps packet without bag data, for mutually notice between digital control system (2) and data collection station (3) in threadiness
State stops all data with it and transmits if a side does not receive another party state in for a period of time keeps packet；
The bag data of configuration packet is followed successively by Configuration Type code and Configuration Values, there is multiple " Configuration Type code-Configuration Values " units,
For being configured to data acquisition plan；
The bag data of basis packet is data collected.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, have the following advantages that and
The utility model has the advantages that
(1) bluetooth module hardware of the invention is inserted on NC machine tool operation panel by interface, data collection station with
Connection is established by bluetooth between digital control system, data collection station carries out the friendship of data by data exchange agreement and digital control system
Mutually, digital control system is by providing service to data collection station with digital control system blue-teeth data service module program.Pass through numerical control
Data exchange agreement between system and data collection station can carry out flexible configuration to acquisition scheme, to meet actual needs.
The digital control system of this method only needs to be arranged a bluetooth module interface, and bluetooth module is added by way of upgrading digital control system
Into in existing digital control system, additional HardwareUpgring is not needed.
(2) in collecting method of the invention, lathe external equipment can be obtained in lathe in real time by bluetooth
Portion's data, these data can be used in monitoring the operating status of lathe, and compensate for using sensor acquisition lathe physics letter
Number when to the missing of machine tooling status information, can cooperate with sensing data and carry out machine failure diagnosis and analysis.
(3) the NC Machining Process G code of blue tooth interface of the invention executes status data real-time collecting method, Neng Goujian
Single G code easily outside lathe in acquisition NC Machining Process executes real-time status data, and this method does not need to do
The cost of scrap build is greatly saved in additional HardwareUpgring, and large-scale promotion is suitble to use.
Detailed description of the invention
Fig. 1 is hardware facility schematic diagram of the invention；
Fig. 2 is communication scheme of the 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；
The format of data exchange agreement datagram of the Fig. 5 between digital control system and bluetooth module.Wherein A is all types number
According to the data packet basic structure of packet all having；The packet structure of B expression request packet；C is the bag data structure of response bag；D
For the bag data format of packet；E indicates that state keeps the bag data structure of packet；F is the bag data structure of configuration packet；G is base
The bag data structure of plinth packet.
Fig. 6 is the interaction flow for acquiring data procedures in a kind of embodiment between digital control system and data collection station.
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which:
Wherein 1- bluetooth module, 2- digital control system, 21- digital control system blue-teeth data service module, 22- interface, 3- data
Terminal acquisition system.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
G code executes the real-time collecting method of status data in a kind of NC Machining Process, which is characterized in that it uses 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, which includes request packet, response bag, packet, state holding packet, configuration packet and basis
Packet, the real-time collecting method specifically includes the following steps:
S1. start digital control system 2, data collection station 3 establishes the bluetooth connection between digital control system 2；
S2. after establishing bluetooth connection, data collection station 3 is established data acquisition to the transmission of digital control system 2 by bluetooth and is connected
The request packet connect, and the response of digital control system 2 is waited, after digital control system blue-teeth data service module 21 receives the request packet, hair
Corresponding response bag is sent, shows to agree to or disagree establish data acquisition connection；
S3. digital control system blue-teeth data service module 21 sends response bag and agrees to after establishing data acquisition connection, numerical control system
System 2 and data collection station 3 establish data acquisition connection, and the mutual transmission state of durations keeps packet, shows oneself
Online；
S4. before data acquisition starts, data collection station 3 first sends configuration packet, digital control system blue-teeth data clothes as needed
After business module 21 receives the packet, acquisition scheme is configured by configuration bag data content, after the completion of operation, digital control system bluetooth
Data service module 21 sends corresponding response bag to data collection station 3, shows configuration successful or failure；
S5. after configuration successful, the transmission of data collection station 3 starts to acquire corresponding request packet, digital control system blue-teeth data
After service module 21 receives the packet, agreement acquisition or refusal acquisition response bag are sent, shows that acquisition requests successfully or fails, adopts
After collection is requested successfully, digital control system blue-teeth data service module 21 starts to carry out data collection task, and pass through by sampling plan
Basis packet is constantly sent to data collection station 3；
S6. after the completion of data acquisition, data collection station 3 sends acquisition and stops request, and the reception to stop data collection,
Digital control system blue-teeth data service module 21, which receives acquisition, to be stopped after requesting, and stops data collection task immediately, to realize
NC Machining Process G code based on bluetooth executes the real-time acquisition of status data.
In a preferred embodiment of the invention, it is provided with interface 22 in 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 for upgrading digital control system 2, is added in the digital control system 2 of numerically-controlled machine tool.
In a preferred embodiment of the invention, the initialization of the digital control system blue-teeth data service module 21 is in number
It is carried out immediately after the completion of the system running environment initial phase that control system 2 starts, to guarantee that use is arrived in its initialization procedure
Resource all have been subjected to initialization.
In a preferred embodiment of the invention, in 2 operational process of digital control system, the digital control system bluetooth
The main task program code of data service module 21 by digital control system 2 the non-core thread intermittent of low priority repetition tune
With to guarantee that the operation of its code does not generate any influence to real-time control of the digital control system 2 in numerical control processing to lathe.
In a preferred embodiment of the invention, the digital control system blue-teeth data service module 21 is exited in numerical control
It is carried out before the release of all resources and all service stoppings when system 2 exits, to guarantee the digital control system resource that has 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 defines the data packet format requirement for carrying out data exchange between digital control system 2 and data collection station 3 by bluetooth module 1,
Wherein,
The bag data of request packet is request code；
The bag data of response bag by response request code and status code, status code 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 exchange between data collection station 3；
State keeps packet without bag data, for mutually notifying presence between digital control system 2 and data collection station 3, if
One side does not receive another party state in for a period of time keeps packet, then stops all data with it and transmit；
The bag data of configuration packet is followed successively by Configuration Type code and Configuration Values, there is multiple " Configuration Type code-Configuration Values " units,
For being configured to data acquisition plan；
The bag data of basis packet is data collected.
Preferably to explain the present invention, a specific embodiment given below:
Embodiment
In the hardware facility of embodiment shown in Fig. 1, USB bluetooth module 1 is inserted into the USB jack 2 in CNC Panel
On.In 21 operational process of digital control system blue-teeth data service module of embodiment shown in Fig. 2, digital control system initialization is completed
The initialization of progress 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 executes other tasks of digital control system.After CPU has executed other tasks of digital control system, idle active thread can be handled
In digital control system blue-teeth data service module 21 main task.This process moves in circles progress.
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 is done nothing if not accessing, if having accessed, first attempts to the input data packet of reading terminals.If not reading
To data packet, then terminal current access state is first judged, do not do any operation if terminal does not access.If having accessed, judge
It accesses timeout mode and resets bluetooth software module to original state, the access of waiting facilities if having timed out.If having not timed out
Time-out count increases certainly.In read data packet, if having read the data packet of the transmission of data collection station, data packet class is judged
Type simultaneously makes corresponding processing, then resets time-out count.If equipment has accessed, connection is had not timed out and data acquisition has been opened
Begin, then sends freshly harvested data to data terminal.
Main task final step checks the need for closing 21 function of digital control system blue-teeth data service module, to close
It closes, then digital control system blue-teeth data service module 21 does not continue to repeat.Before digital control system will close, stop number first
The operation of control system blue-teeth data service module 21 then discharges 21 resource of digital control system blue-teeth data service module, then then
Other resources of digital control system are discharged, and out of service.The digital control system and data collection station of embodiment shown in Fig. 3 acquire
In the interaction flow of data procedures, access request is sent from data collection station to digital control system first, agreement access is received and rings
Ying Hou, data collection station sends the request for obtaining lathe information data as needed, such as numerical control system version information, lathe shape
State information, lathe parameter information, G code data etc..After digital control system receives the request, sent to data collection station relevant
Information data.Then, data collection station sends corresponding acquisition scheme configuring request according to acquisition 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, is sent out to data collection station
Send configuration successful message.
After data collection station receives configuration successful message, it can start acquisition request by sending, request numerical control system
Blue-teeth data service module 21 of uniting starts data collection task.Digital control system blue-teeth data service module 21 is received to start to sample and be asked
After asking, if being currently able to carry out data acquisition, it can send and start acquisition request success message to data collection station, and start
Data are acquired, what collected data meeting one was wrapped is sent to data collection station.When data collection station will stop acquiring
When work, is sent to digital control system stop acquisition request first, after digital control system receives the request, stop current data immediately
Collecting work, and send acquisition to data collection station and stopped message.
The present invention proposes inside acquisition, while external sensor information, by the process G code also conduct of lathe
Sensor information acquires all the way to synchronize, and should using USB interface+bluetooth module form on numerically-controlled machine tool panel
Information is passed 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 merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (7)
1. G code executes the real-time collecting method of status data in a kind of NC Machining Process, which is characterized in that it uses bluetooth
Communication mode realizes data collection station by the digital control system blue-teeth data service module (21) run on digital control system (2)
(3) data interaction between digital control system (2), wherein being handed between the digital control system (2) and data collection station (3) by data
Agreement is changed to carry out the interaction of data, which includes request packet, response bag, packet, state holding packet, configuration
Packet and basis packet, the real-time collecting method specifically includes the following steps:
S1. start digital control system (2), data collection station (3) establishes the bluetooth connection between digital control system (2)；
S2. after establishing bluetooth connection, data collection station (3) is sent to digital control system (2) by bluetooth and establishes data acquisition company
The request packet connect, and the response of digital control system (2) is waited, digital control system blue-teeth data service module (21) receives the request packet
Afterwards, corresponding response bag is sent, shows to agree to or disagree establish data acquisition connection；
S3. digital control system blue-teeth data service module (21) sends response bag and agrees to after establishing data acquisition connection, digital control system
(2) and data collection station (3) establishes data acquisition connection, and the mutual transmission state of durations keeps packet, shows certainly
Oneself is online；
S4. before data acquisition starts, data collection station (3) first sends configuration packet, digital control system blue-teeth data service as needed
After module (21) receives the configuration packet, acquisition scheme is configured by configuration bag data content, after the completion of operation, digital control system
Blue-teeth data service module (21) sends corresponding response bag to data collection station (3), shows configuration successful or failure；
S5. after configuration successful, data collection station (3) transmission starts to acquire corresponding request packet, digital control system blue-teeth data clothes
After business module (21) receives the request packet, sends and agree to acquisition or refusal acquisition response bag, show that acquisition is requested successfully or lost
It loses, after acquisition is requested successfully, digital control system blue-teeth data service module (21) starts to be carried out data by sampling plan and acquired work
Make, and data collection station (3) are constantly sent to by basis packet；
S6. after the completion of data acquisition, data collection station (3) sends acquisition and stops request, and the reception to stop data collection, number
Control system blue-teeth data service module (21), which receives acquisition, to be stopped after requesting, and stops data collection task immediately, to realize
NC Machining Process G code based on bluetooth executes the real-time acquisition of status data.
2. G code executes the real-time collecting method of status data in a kind of NC Machining Process as described in claim 1, special
Sign is, is provided with interface (22) on the digital control system (2), and bluetooth module (1) passes through the interface (22) and digital control system (2)
It is attached.
3. G code executes the real-time collecting method of status data in a kind of NC Machining Process as claimed in claim 1 or 2,
It is characterized in that, the digital control system blue-teeth data service module (21) of the digital control system to be in a manner of upgrading digital control system, quilt
It is added in the digital control system (2) of numerically-controlled machine tool.
4. G code executes the real-time collecting method of status data in a kind of NC Machining Process as claimed in claim 3, special
Sign is that the initialization of the digital control system blue-teeth data service module (21) runs ring in the system that digital control system (2) starts
Carried out after the completion of the initial phase of border immediately, with guarantee in its initialization procedure using to resource all have been subjected to initialization.
5. G code executes the real-time collecting method of status data in a kind of NC Machining Process as claimed in claim 4, special
Sign is, in the digital control system (2) operational process, the main task journey of the digital control system blue-teeth data service module (21)
Repetition of the sequence code by digital control system (2) in the non-core thread intermittent of low priority is called, to guarantee the operation of its code
Any influence is not generated to real-time control of the digital control system in numerical control processing (2) to lathe.
6. G code executes the real-time collecting method of status data in a kind of NC Machining Process as claimed in claim 5, special
Sign is that all resources of the digital control system blue-teeth data service module (21) exited when digital control system (2) exits are released
Put and all service stoppings before carry out, with guarantee the digital control system resource that has discharged or the service of stopped digital control system no longer by
It is used.
7. G code executes the real-time collecting method of status data in a kind of NC Machining Process as claimed in claim 6, special
Sign is that the data exchange agreement between the digital control system (2) and data collection station (3) defines digital control system (2) and number
According to the data packet format requirement for carrying out data exchange between acquisition terminal (3) by bluetooth module (1), wherein
The bag data of request packet is request code；
The bag data of response bag by response request code and status code, status code for show request operate successfully or mistake
It loses；
The bag data of packet is information type code, value of information byte number, value of information type codes and the value of information, the packet 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
According to the information exchange between acquisition terminal (3)；
State keeps packet without bag data, for mutually notifying presence between digital control system (2) and data collection station (3), if
One side does not receive another party state in for a period of time keeps packet, then stops all data with it and transmit；
The bag data of configuration packet is followed successively by Configuration Type code and Configuration Values, has multiple " Configuration Type code-Configuration Values " units, is used for
Data acquisition plan is configured；
The bag data of basis packet is data collected.
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