CN104008201A - Numerical control machine tool production information obtaining method - Google Patents
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 46
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- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
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Abstract
The invention discloses a numerical control machine tool production information obtaining method, and belongs to the field of manufacturing industry informatization. The method includes the steps that a log reading module is written and installed in a machine tool main control computer; a numerical control system executes numerical control codes and automatically generates a log file; the log reading module is started to analyze the log file and stores obtained structural data in a production information database; in a report server, a report module is set according to the style required by a user, and a data source is built for all report forms with data tables of the production information database; the user has access to the report server through a client, and various information statistical report forms defined in the report module are obtained. By means of the method, related data of production management can be automatically obtained and management report forms can be automatically generated on the basis of an existing machine tool log system.
Description
Technical field
The invention belongs to manufacturing informatization field, more particularly, relate to a kind of numerically-controlled machine production information and obtain and statistical method.
Background technology
Numerically-controlled machine can be carried out job sequence by circulation and realize production efficiently, in modern manufacturing industry, is used widely.Numerically-controlled machine can combine many kinds part and write job sequence, realizes program loop execution and once can complete a plurality of parts processing simultaneously, as utilize cutting machine tool of numerical can cut out in batches specification part how wide in variety after clamped one time steel plate.This is that management work has brought complicacy in raising efficiency, concerning production management, need to add up beginning and end time that raw materials consumption, finished product kind and quantity, quantity scrapped and teams and groups produce; Concerning equipment control, need to add up total run time, the fault-time of equipment, the execution time of critical process or number of times etc.At present, above-mentioned information is lacked to effective method for automatically counting, be difficult to obtain the complete information of the lathe course of work, and this category information has very important reference significance for how to enhance productivity.
CNC (computer numerical control) system runs in the master control computer of lathe, by carrying out numerical control program, controls lathe operation.CNC system can generate journal file in operational process, this document by time sequential recording machine state information, program process information and other operation informations.At present, only malfunction elimination afterwards or the operating analysis to equipment for technician of journal file, is not yet applied to the informationalized statistics of production management.
The patent application document of publication number 103064905A, discloses a kind of blog management method of digital control system.The method comprises daily record generative process and daily record use procedure, daily record generative process comprises: the information of digital control system is divided into six large class journal files, when digital control system is started shooting, journal file is carried out to capacity management, by record log store in the journal file of corresponding classification; Daily record use procedure comprises: journal file is shown to user with the form of list, journal file is exported as to text, continued operation process in the daily record of part intercept operation, according to this continued operation process generation script file, and utilize script file to carry out playback to continued operation process, extract respectively all information in fault log, processing daily record, file modification daily record and Operation Log, and the journaling corresponding according to this Information generation.This invention has solved in existing system owing to not having daily record to record the shortage of data of the numerically-controlled machine information system management bringing and the problem that there is no the statistical study of numerically-controlled machine behaviour in service.Because lathe daily record is towards machine operation process, do not solve the information-based statistical study relevant issues of production management, specifically, utilize the current techniques can not automatic acquisition finished product specification and the information reports such as utilization factor of the execution duration of quantity, raw material types and quantity, quantity scrapped, critical process or number of times, equipment.
Summary of the invention
1. technical matters
Existing numerically-controlled machine generally has log system function, but the journal file that log system generates is only incomplete for lathe operational process and information, cannot complete or directly count the data sheet of manufacturing-oriented management, the present invention is directed to the problems referred to above a kind of numerically-controlled machine production information acquisition methods is provided, it can realize the automatic generation of automatic acquisition and the managerial report of production management related data based on existing lathe log system, can in real time, simply obtain the information in process of manufacture of numerically-controlled machine and product.
2. technical scheme
Object of the present invention is achieved through the following technical solutions.
A numerically-controlled machine production information acquisition methods, this system comprises lathe master control computer, database server, report server and client; In described lathe master control computer, be provided with log read module; Described database server is provided with production information database; In described report server, be provided with Reports module;
This information getting method, the steps include:
(1) lathe master control computer is connected to LAN (Local Area Network), and has disposed database server and report server on the net; Write numerical control of machine tools machining code, operating numerical control machine tool system reads in described numerical control machining code to be produced, and numerically-controlled machine tool system generates journal file automatically;
(2) in lathe master control computer, according to lathe log file formats, write log read module, the internal procedure of log read module is as follows:
A. obtain journal file list;
B. read in one by one the journal file in list;
The character string information of c. lining by line scan in journal file;
D. log lines is carried out to time series analysis and structuring processing storage configuration data, set up numerical control program execution information table and part machining information table and store; Described structural data comprises lathe operation information and writes numerical control code product, the material information of time institute's remarks;
E. read successively residue journal file and extract data;
F. by the journal file rename of having read and move to backup file folder;
(3) described log read module is saved in data in described production information database automatically, production information database is created by the data base management system (DBMS) being arranged in database server, the data that this database reads for storing daily record read module, while is as the data source of Reports module, wherein, field in tables of data comprises " lathe coding ", " program name ", " material number ", " part thickness ", " plate size ", " program operation start time ", " program end of run time ", " program repeats number of times ", " part name ", " part starts clipping time ", " pts wt ", " laser beam perforation number of times ", " Cutting Length ", " sky is walked length ", " clipping time ", " working time ", " stop time " and " downtime ",
(4), in report server, according to the report style of the data in production information database and user's requirement, Reports module is set;
Reports module is responsible for the request that the described client of response sends, and generates the required statistical report form of user, defines according to demand statement form in Reports module, adds up corresponding data from the table of production information database; Tabular views can distinguish per diem, the classification design of the time cycle of month, year or material, program, part, and the data source of all forms is all set up from the tables of data of above-mentioned production information database;
(5) user, by client-access report server, obtains the much information statistical report form defining in Reports module.
Further, in described step (1), when writing numerical control of machine tools code, the specification information of the specification of product, model and material is write in numerical control code with annotation form.
3. beneficial effect
Compared with prior art, its beneficial effect is in the present invention:
(1) raw data of production report, by information-based means automatic acquisition from lathe PLC log system, has been removed manual record and input from;
(2) the present invention by adding the relevant annotation information of object of processing with this code in numerical control code, as type of raw materials, size, the information such as finished product title, specification, weight, because these annotation information can output to along with the execution of numerical control code in journal file, make log read module of the present invention can obtain complete production management information, not only comprise lathe operational process information, the business information such as product specification that the mode of the annotation that also comprises programming is added;
(3) information that lathe production information form of the present invention is added up is automatically comprehensive, can take lathe, teams and groups, time interval etc. as the statistical condition generation production information form that user was concerned about, can realize the robotization of lathe production information statistics;
(4) acquisition of information in the present invention is all network with issue, makes managed lathe object not be subject to region site limitation, can realize the information system management of cross-region;
(5) extensibility of the present invention is high, cost is low, uses the numerically-controlled machine quantity of the present invention's management unrestricted, when increasing lathe, only need be in corresponding lathe computing machine installation log reading system interconnection network.
Accompanying drawing explanation
Fig. 1 is the Machining information extraction grid topological diagram of separate unit lathe;
Fig. 2 is the functional framework figure that numerically-controlled machine production information is obtained system;
Fig. 3 is the workflow diagram of log read system;
Fig. 4 is for being used the resulting lathe production information of the present invention form schematic diagram.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the technical scheme of invention is elaborated.
Embodiment 1
In conjunction with Fig. 2, the production information of managing a cutting machine tool of numerical of take is example, and this lathe uses famous Germany to produce Global Control digital control system:
First be ready to log read module, this module is used C# language exploitation, and processing object is the journal file that the operation of Global Control digital control system generates, and this daily record is text formatting, and daily record fragment example is as follows:
Because log recording is very long, at this, intercept at random one section with example.Can find out, journal file is with text behavior record cell, every row is comprised of three parts, Qi Shou first is timestamp, as " 2011-04-22_19-14-12 ", represent 19: 14: 12 on the 22nd April in 2011, second portion is status code, as " 1213 ", " 1211 ", " 138 ", " 302 " etc., third part is status information, as " X=0.0Y=0.0 ", " S:0 ", " Part-Cut-Length/1383/525-FBM29-1 ", " M:Mild Steel T:6.0X:1282.0Y:859.0P:'/Part Programs/k1/test program_GC/01852580.txt' ", " Part-Cut-Length/2620/525-FBM29-2 ", between this three part, by a plurality of space characters, separated, wherein status code represents the state of machine, as " 1240 " represent CNC system loading numerical control program, follow-up status information represents loaded program file path, " 137 " represent to start cutting, " 138 " represent that cutting finishes, status code often will match with follow-up status information and could represent concrete meaning, as representing, " 312S:2 " bring into operation under the automatic running status of lathe, " 312S:1 " represents under the automatic running status of lathe out of service, sometimes also need the match concrete state of incompatible judgement lathe of status code with front and back log lines, as there is " 132 " status code in the subsequent rows of " 180 " status code row, represent lathe shutdown.Status code implication is herein that to take German Global Control digital control system be example, and the daily record implication of other manufacturer's digital control systems is please referred to related data or guessed solution according to knowhow.
The programming of log read module is according to above-mentioned daily record rule implication, extracts structurized machine tooling procedural information, for use in the statistics of Reports module.As Fig. 3, the workflow of design log read module is: 1, first obtain journal file list; 2, read in the journal file in list; The character string information of 3, lining by line scan in journal file; 4, identify and filter log information, because being accompanied by machine work, log information produces in real time, machine is in malfunction, stopped status, dry run state sometimes, the a large amount of log lines records that now produce are the unconcerned invalid informations of user, can be filtered, implication to the explanation of effective information contrast leading portion example code is carried out structuring processing, is converted into structural data and is saved in database; 5, read successively residue journal file information extraction; 6, by the journal file rename of having read and move to backup file folder.
After log read module compiles is good, be installed in the master control computer of cutting machine tool of numerical, log read system can be set to timing operation, guarantees that the log information of CNC system can be read in time.Structural data after extraction divides two data table stores, following (the table 1 of data list structure, table 2), table 1 is used jobId field to carry out associated with table 2, wherein, table 1 is carried out the information of certain numerical control program for storing lathe, the lathe coding that this program used as carried out, the material specification that this program machining needs, the specification of product that this program is produced, the execution number of times of this program, operation starting time, finish working time etc., table 2 is for storing the part process information corresponding with the capable information of table 1, as clipping time, Cutting Length, perforation number, working time, the information such as fault-time.
Table 1 numerical control program is carried out information table
Table 2 part machining information table
Dispose database server, SQL server2005 Database Systems are installed in database server, create production information database, the data that this database reads for storing daily record read module, simultaneously as the data source of Reports module, therefore, as long as this database table structure design meets data definition and the visiting demand of log read module and Reports module, in general, in tables of data, to comprise " lathe coding ", " program name ", " material number ", " part thickness ", " plate size ", " program operation start time ", " program end of run time ", " program repeats number of times ", " part name ", " part starts clipping time ", " pts wt ", " laser beam perforation number of times ", " Cutting Length ", " sky is walked length ", " clipping time ", " working time ", " stop time ", fields such as " downtimes ", as table 1, shown in table 2, the structured message extracting for storing daily record read module, forms the database module in the present invention.
Deployment Report server by the requirement definition statement form of workshop management, is added up corresponding data in Reports module from the table of database server.Reports module in report server adopts the RDLC report tool design of Microsoft company to realize, also can design with crystal report (Crystal Report), the classification designs such as tabular views can distinguish per diem, month, year equal time cycle or material, program, part, the data source of all forms is all set up from the tables of data of upper production information database.Database Systems and Web Reports module also can be arranged in same station server.
Log read module reading information being saved in the production information database of database server from CNC daily record, production information database provides data source for Reports module.Reports module is responsible for responding the request that user sends by Web browser, generates the required statistical report form of user, and typical form as shown in Figure 4.
Log read module is arranged in lathe main control computer and access to LAN, at the good database server of network deploy and report server.When numerically-controlled machine is produced, machine operation personnel are according to product requirement numerical programming code, it should be noted that, because numerical control program is only controlled for the machining process of product, therefore, journal file only can comprise machine tool system state and technological process information under normal conditions, and have management value in producing for some but control irrelevant information with lathe operation, just can not directly obtain, but this category information can be programmed in numerical control program the form with annotation when programming, as name of product, coding, weight, dimensions, the material of blank and dimensions etc., lathe is when carrying out numerical control code like this, just above-mentioned annotation information can be written in journal file, thereby greatly enriched the information of journal file, log read module realizes the relevant information of institute's converted products is read according to these annotation information.The annotation is here exactly common program code annotating, and general comment is that the annotation is here for interpolation information is in journal file in order to help to understand code implication.
When user checks form, use PC or notebook computer to access report server in wired or wireless mode, network topology as shown in Figure 1.Reports module retrieve relevant data turning back in user computer from database server.
Embodiment 2
Many number of units controlled machine is carried out to production information management.While using the present invention to manage many number of units controlled machine, method is identical with embodiment 1 with step, only need be by the master control computer of all numerically-controlled machines installation log reading system access workshop LAN (Local Area Network) respectively, management shared database server and the Reports module of all lathes, in database table, by numerically-controlled machine numbering, distinguish different lathes, log read module, when uploading separately lathe data, is uploaded lathe numbering simultaneously.So just, can in Reports module, realize and press lathe numbering statistics production information.
Claims (2)
1. a numerically-controlled machine production information acquisition methods, this system comprises lathe master control computer, database server, report server and client; In described lathe master control computer, be provided with log read module; Described database server is provided with production information database; In described report server, be provided with Reports module;
This information getting method, the steps include:
(1) lathe master control computer is connected to LAN (Local Area Network), and has disposed database server and report server on the net; Write numerical control of machine tools machining code, operating numerical control machine tool system reads in described numerical control machining code to be produced, and numerically-controlled machine tool system generates journal file automatically;
(2) in lathe master control computer, according to lathe log file formats, write log read module, the internal procedure of log read module is as follows:
A. obtain journal file list;
B. read in one by one the journal file in list;
The character string information of c. lining by line scan in journal file;
D. log lines is carried out to time series analysis and structuring processing storage configuration data, set up numerical control program execution information table and part machining information table and store; Described structural data comprises lathe operation information and writes numerical control code product, the material information of time institute's remarks;
E. read successively residue journal file and extract data;
F. by the journal file rename of having read and move to backup file folder;
(3) described log read module is saved in data in described production information database automatically, production information database is created by the data base management system (DBMS) being arranged in database server, the data that this database reads for storing daily record read module, while is as the data source of Reports module, wherein, field in tables of data comprises " lathe coding ", " program name ", " material number ", " part thickness ", " plate size ", " program operation start time ", " program end of run time ", " program repeats number of times ", " part name ", " part starts clipping time ", " pts wt ", " laser beam perforation number of times ", " Cutting Length ", " sky is walked length ", " clipping time ", " working time ", " stop time " and " downtime ",
(4), in report server, according to the report style of the data in production information database and user's requirement, Reports module is set;
Reports module is responsible for the request that the described client of response sends, and generates the required statistical report form of user, defines according to demand statement form in Reports module, adds up corresponding data from the table of production information database; Tabular views can distinguish per diem, the classification design of the time cycle of month, year or material, program, part, and the data source of all forms is all set up from the tables of data of above-mentioned production information database;
(5) user, by client-access report server, obtains the much information statistical report form defining in Reports module.
2. a kind of numerically-controlled machine production information acquisition methods according to claim 1, it is characterized in that, in described step (1), when writing numerical control of machine tools code, the specification information of the specification of product, model and material is write in numerical control code with annotation form.
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Cited By (19)
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| CN104503362A (en) * | 2014-12-30 | 2015-04-08 | 重庆大学 | Multi-information fusion based automatic collection method for batched numerical control workpiece machining progress |
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