CN206193520U - Lathe vibration monitoring system based on labView and singlechip - Google Patents
Lathe vibration monitoring system based on labView and singlechip Download PDFInfo
- Publication number
- CN206193520U CN206193520U CN201621177455.1U CN201621177455U CN206193520U CN 206193520 U CN206193520 U CN 206193520U CN 201621177455 U CN201621177455 U CN 201621177455U CN 206193520 U CN206193520 U CN 206193520U
- Authority
- CN
- China
- Prior art keywords
- chip microcomputer
- lathe
- data
- host computer
- logic control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Automatic Control Of Machine Tools (AREA)
- Numerical Control (AREA)
Abstract
The utility model relates to a lathe vibration monitoring system based on labView and singlechip has data acquisition unit, PC host computer program element and singlechip logic control unit, wherein: PC host computer program element is spreaded into into to data acquisition unit harvester bed vibration data, PC host computer program element carries out analytical calculation, output control command to singlechip logic control unit to lathe vibration data, singlechip logic control unit sends the change of rotational speed of driving shaft multiplying power, feeds multiplying power change and scram signal processing to lathe PLC after carrying out logical processing to control command. The utility model discloses a PC and lathe communication use minimum system of singlechip and relay module, only need carry out simple line to modify minimum some PLC procedures, can realize to realize on various low side digit control machine tools lathe main shaft and the dynamic control that feeds, have that easy operation is clear, the commonality is strong and advantage such as low price.
Description
Technical field
The utility model is related to a kind of machine vibration monitoring technology, specifically a kind of to be based on LabView and single-chip microcomputer
Machine vibration monitoring system.
Background technology
Machine tooling vibration be influence workpiece surface quality a key factor, Digit Control Machine Tool in process, knife
Tool produces vibrational excitation to lathe with work piece interface with main axis, and because lathe assembling, workpiece are installed and process work
The factors such as skill cause that vibration prediction is difficult to, after procedure is worked out and is run, machined parameters in process
Just fixed, therefore lathe is to the emergency case in process, such as hitting situations such as knife, vibration aggravate cannot make reply.
A kind of machine vibration online monitoring system of Patent No. CN201420471749.X is by machine tool numerical control system
Control is monitored to main shaft, it is necessary to digital control system opens corresponding authority, and unitary function to it, is only capable of realizing warning function.
The vibrating sensing monitoring device and Patent No. of a kind of lathe of Patent No. CN201320505108.7
A kind of monitoring system of machine tool operation of CN201120096755.8 is only capable of gathering vibration signal, it is impossible to lathe is made automatically instead
Should.
Utility model content
For lathe in the prior art to answering equity not enough because the emergency case that vibration is produced cannot be made in process,
Problem to be solved in the utility model be to provide it is a kind of with vibration suppression function, realize the LabView and monolithic of circuit controls
The machine vibration monitoring system of machine.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of machine vibration monitoring system based on LabView Yu single-chip microcomputer of the utility model, with data acquisition unit,
PC host computer procedures unit and single-chip microcomputer logic control element, wherein：Data acquisition unit collection lathe vibration data is incoming
PC host computer procedure units；PC host computer procedures unit is analyzed calculating to machine vibration data, and output control is instructed to list
Piece machine logic control element；Single-chip microcomputer logic control element sends main shaft after logical process is carried out to control instruction to lathe PLC
Rotating speed multiplying power changes, feeding multiplying power changes and jerk process signal.
The data acquisition unit includes TEDS acceleration transducers and data collecting card, and wherein TEDS sensors are placed in
Machine tool chief axis vibrating data collection point, is connected by holding wire with data collecting card, and data collecting card passes through USB connecting lines and PC
Host computer procedure unit is connected.
The single-chip microcomputer logic control element include single-chip microcomputer and relay module, wherein single-chip microcomputer by holding wire with
PC host computer procedures unit is connected, and relay module input is connected by holding wire with single-chip microcomputer, and output end passes through holding wire
It is connected with lathe PLC.
The utility model has the advantages that and advantage：
1. the utility model machine vibration monitoring system uses NI-USB4431 data collecting cards and intelligence TEDS acceleration
Sensor, in that context it may be convenient to carry out Vibration Diagnosis data acquisition, analysis and report generation, can be expensive with fictitious hosts
Vibration analyzer, and possess small volume, it is easy to carry the advantages of, and line program adjustment can be entered according to companies needs, it is high
Effect is connected with CNAS examination criterias.
2. the PC that the utility model is used communicates using single-chip minimum system and relay module with lathe, it is only necessary to
Simple wires are carried out, and change small part PLC program, you can realized to machine tool chief axis and the dynamic control of feeding, it is not necessary to
The additional authorization of machine tool numerical control system, it might even be possible to realized on various low side Digit Control Machine Tools, with simple to operate clear, general
Property it is strong and cheap the advantages of, solve the short slab that the research of machine tool capability for a long time is only capable of testing not dynamic manipulation,
Conversion rate of the achievement in research to production can be improved.
3. the utility model is based on fuzzy mathematical model, can be with real-time monitoring machine tooling vibration data, according to self-defined
Fuzzy rule within the specific limits dynamic adjusting machine bed machined parameters, optimize machined parameters, reduce machine tooling vibration, so as to reaching
To the purpose for improving machined surface quality, while the system implementations are self-defined fuzzy rule, therefore it is natural there is provided certainly
Learning functionality extends, for follow-up Intelligent Machining research provides interface.
4. the utility model uses singlechip technology, and it is integrated very easily to expand to chip-scale, takes off monitoring system
From the limitation of computer, be easily integrated into machine tool numerical control system so that system provide hit knife defencive function can with compared with
Low price is in the almost all of high-end technology content realized on low side Digit Control Machine Tool, lift lathe, and vibration suppression work(
Middle and high end chip can be then used, after integrated chip program is updated to, is expanded on the lathe of middle and high end.
Brief description of the drawings
Fig. 1 is that the utility model is constituted and data flowing direction schematic diagram；
Fig. 2 is PC host computer procedure unit composition frame charts in the utility model；
Fig. 3 is data acquisition unit composition frame chart in the utility model；
Fig. 4 is single-chip microcomputer logic control element composition frame chart in the utility model；
Fig. 5 is machine tooling vibration signals collecting process and data flow schematic diagram in the utility model；
Fig. 6 be the utility model in machine tooling hit knife protection process and data flow schematic diagram；
Fig. 7 is lathe dynamic and intelligent process and data flow signal in the utility model.
Wherein, 1 is lathe, and 2 is TEDS acceleration transducers, and 3 is data collecting card, and 4 is single-chip microcomputer, and 5 is relay mould
Block.
Specific embodiment
The utility model is further elaborated with reference to Figure of description.
As shown in figure 1, a kind of machine vibration monitoring system based on LabView Yu single-chip microcomputer of the utility model, with number
According to collecting unit, PC host computer procedures unit and single-chip microcomputer logic control element, wherein：Data acquisition unit gathers lathe 1
The incoming PC host computer procedures unit of vibration data；PC host computer procedures unit is analyzed calculating to machine vibration data, defeated
Go out control instruction to single-chip microcomputer logic control element；Single-chip microcomputer logic control element is carried out after logical process to machine to control instruction
Bed PLC sends the variation of speed of mainshaft multiplying power, feeding multiplying power and changes and jerk process signal, and lathe PLC program writes the signal
Enter machine tool system operation specified memory.
As shown in Fig. 2 the PC host computer procedures unit includes TEDS sensors automatic detection module, signal display mould
Block, DBM, signal threshold value comparison module, signal law-analysing module, serial communication modular, system setup module and
Simulation testing module；Wherein, system setup module provides the upper program unit threshold value setting of PC, serial ports parameter setting, sensing
Device parameter setting and data base administration set function；Simulation testing module provides debugging PC host computer procedures unit control manually
Lathe start and stop function, the control of speed of mainshaft multiplying power, feeding multiplying power control function.
As shown in figure 3, the data acquisition unit includes TEDS acceleration transducers and data collecting card, wherein TEDS
Sensor is placed in machine tool chief axis vibrating data collection point, is connected with data collecting card by holding wire, and data collecting card passes through USB
Connecting line is connected with PC host computer procedure units.
As shown in figure 4, the single-chip microcomputer logic control element includes single-chip microcomputer and relay module, wherein single-chip microcomputer leads to
Cross holding wire to be connected with PC host computer procedure units, relay module input is connected by holding wire with single-chip microcomputer, output end
It is connected with lathe PLC by holding wire；Single-chip microcomputer logic control program is run in single-chip microcomputer.
The utility model is based on LabView and its control is realized by the following method with the machine vibration monitoring system of single-chip microcomputer
Process：
Data acquisition unit gathers the incoming PC host computer procedures unit of lathe vibration data；
PC host computer procedures unit receives the machine vibration data of data acquisition unit collection, and machine vibration data are carried out
Analytical calculation, output control is instructed to single-chip microcomputer logic control element；
Single-chip microcomputer logic control element sends the change of speed of mainshaft multiplying power after logical process is carried out to control instruction to lathe PLC
Dynamic, feeding multiplying power is changed and jerk process signal, and signal write-in machine tool system is run specified memory by lathe PLC program；
Machine tool system in process the real-time adjustment speed of mainshaft, feed speed change or make lathe carry out jerk move
Make (related to knife protection is hit).
As shown in figure 5, the utility model gathers lathe vibration data incoming data by TEDS acceleration transducers gathering
Card, data collecting card is converted to PC discernible signal, by the host computer procedure network analysis meter worked out based on LabView
Calculate, control instruction is sent using serial ports, logical process is carried out to control instruction and via relay module to lathe from single-chip microcomputer
PLC sends the variation of speed of mainshaft multiplying power, feeding multiplying power and changes and jerk process signal, and lathe PLC program writes the signal
Machine tool system runs specified memory, so that the real-time adjustment speed of mainshaft, feed speed change or make lathe in process
Carry out scram action.
PC host computer procedures unit receives the machine vibration data of data acquisition unit collection, and machine vibration data are carried out
Calculate, analysis includes：
Sense channel is set up, PC host computer procedures unit is by its internal TEDS sensor automatic detection module detection data
TEDS acceleration transducers in collecting unit, read TEDS acceleration transducer parameters, and shown by signal display module.
Data record is carried out by DBM, threshold value comparing, signal rule point are carried out by signal threshold value comparison module
Analysis module is analyzed, and acquired results are sent to single-chip microcomputer logic control element via serial communication modular.
It is in the present embodiment, the step of signal law-analysing module is analyzed：
Integrated based on a line process data, by the vibration performance data input database of process, by vibration spy
The amount of levying carries out corresponding relation analysis with machined surface quality, forms fuzzy control logic, by different machine tool types and technique, is formed
Fuzzy control standard, and set the threshold value of each link；
The experience of reality processing test and site operation personnel is relied on, according to machine tool type and manufacturing procedure feature to processing
The material of part sets corresponding criterion, and control criterion complies with the principle that iteration updates, it is ensured that the accuracy of control criterion；
The data that signal law-analysing module detection TEDS acceleration transducers are collected, when signal rule changes
Afterwards, signal law-analysing module determines the control method of lathe according to above-mentioned control criterion, and generates control according to preset rules
Instruction is sent to single-chip microcomputer.
The control instruction form that this implementation is used for：
| 0 | 1 | 2 | 3 |
| 0x7E | Command word | Data value | 0x7F |
Control instruction includes origin identification, command word, data value and the part of end of identification four, and wherein origin identification represents one
The beginning of individual new control instruction, it is stipulated that fixed value is 0x7E；Command word illustrates the purposes of control instruction, including adjustment main shaft turns
Speed, the three kinds of orders of adjustment feeding rotating speed and control jerk, correspond to 0x01,0x02 and 0x03 respectively；Data value is setting main shaft
The percentage of rotating speed or feeding rotating speed, scope is 0x00~0x78,0% to the 120% of correspondence procedure setting speed；Knot
Bundle flag represents that control instruction terminates, it is stipulated that fixed value is 0x7F.Such as adjustment speed of mainshaft is then sent out to the 80% of maximum (top) speed
It is the 7F of 0x7E 01 50 to send control instruction.
The data that signal law-analysing module detection TEDS acceleration transducers are collected, when signal rule changes
Afterwards, signal law-analysing module sends to single-chip microcomputer according to preset rules and instructs.
Single-chip microcomputer logic control element carries out logical process to control instruction：
Signal law-analysing module sends to single-chip microcomputer logic control element output control instruction by serial communication；It is single
The complete reception data of piece machine logic control element are simultaneously parsed according to preset rules to control instruction, analyze command word and
Data value.If command word is 0x03, that is, jerk order is controlled, then single-chip microcomputer is immediately by a relay module to numerical control system
System PLC sends jerk control signal, and PLC is immediately performed lathe jerk order after receiving emergent stop signal；If command word is
0x01 or 0x02, that is, adjust the speed of mainshaft or adjustment feed shaft rotating speed command, then data value is converted into digital control system first
The Gray code that rotating speed multiplying power is corresponding 8, then by the value of each output of Gray code a to relay module；Work as order
Word is 0x01, that is, when adjusting the speed of mainshaft, rotating speed multiplying power Gray code is sent to lathe PLC by the relay module of 8
In；When command word is 0x02, i.e., when adjustment feeds rotating speed, rotating speed multiplying power Gray code passes through another 8 relay module
It is sent in lathe PLC；Corresponding multiplying power Gray code is sent to lathe PLC the specified memory in digital control system, numerical control system again
System performs corresponding modification multiplying power instruction, so as to reach the purpose of control main shaft or feeding rotating speed.
The utility model can realize that knife protection and lathe dynamic intelligence are hit in the collection of machine tooling vibration signal, machine tooling
Can processing, wherein the data acquisition of data acquisition unit as shown in figure 5, using the unit for arriving include data acquisition unit,
TEDS sensors automatic detection module, signal display module and DBM in PC host computer procedure units, TEDS accelerate
Degree sensor 2 is placed in machine tool chief axis vibrating data collection point, and data collecting card 3 is connected to using data wire, and data collecting card 3 leads to
Cross USB data line connection PC host computer procedure system modules.
The parameter of PC host computer procedure unit automatic detection TEDS acceleration transducers 2, and by TEDS acceleration transducers 2
In the machine vibration acceleration information write into Databasce module for collecting.
Machine tooling hits knife protection as shown in fig. 6, including data acquisition unit, single-chip microcomputer logic control using the module for arriving
TEDS sensors automatic detection module, signal display module and signal threshold value in unit and PC host computer procedure system modules
Comparison module, TEDS acceleration transducers 2 are placed in machine tool chief axis vibrating data collection point, and data acquisition is connected to using data wire
Data collecting card 3 in unit, data collecting card 3 connects PC host computer procedure units, PC host computer procedure lists by USB data line
Unit is connected to the single-chip microcomputer 4 in single-chip microcomputer logic control element, single-chip microcomputer 4 and relay module via RS232 serial port data lines
Connection, relay module is connected with lathe PLC input points.
In PC host computer procedure units, acceleration rate threshold, TEDS acceleration transducers are set by system setup module
The data for collecting are by input signal threshold value comparison module after treatment, after more than given threshold, PC host computer procedure modules
Sent to single-chip microcomputer and instructed, sent to lathe PLC by relay module after single-chip microcomputer logic control element analysis instruction and shut down
Instruction.
Lathe dynamic and intelligent process as shown in fig. 7, using to module include：Data acquisition unit, single-chip microcomputer logic control
TEDS sensors automatic detection module, signal display module, signal rule point in unit processed and PC host computer procedure units
Analysis module 3, TEDS acceleration transducers 2 are placed in machine tool chief axis vibrating data collection point, data acquisition are connected to using data wire
Card 3, data collecting card connects PC host computer procedure units by USB data line, and PC host computer procedures unit is via RS232 serial ports
Data wire is connected in single-chip microcomputer 4, and single-chip microcomputer 4 is connected with relay module, and relay module is connected with lathe PLC input points.
The data that TEDS acceleration transducers 2 are collected input signal law-analysing module after processing, when signal rule
After rule changes, signal law-analysing module sends to single-chip microcomputer 4 according to preset rules and instructs, single-chip microcomputer logic control element
Speed of mainshaft multiplying power is sent after analysis instruction to lathe PLC by relay module to encode and feeding multiplying power coding, lathe PLC journeys
The encoded signal write-in internal memory that sequence will be received specifies address, changes machine spindle speed or feed speed.
The utility model is using NI-USB4431 data collecting cards and the TEDS acceleration transducers of intelligence, in that context it may be convenient to
Vibration Diagnosis data acquisition, analysis and report generation are carried out, with the expensive vibration analyzer of fictitious hosts, and can be had
Standby small volume, it is easy to carry the advantages of, and line program adjustment can be entered according to field demand, efficiently with CNAS examination criterias
Linking.
The utility model is based on fuzzy mathematical model, can be with real-time monitoring machine tooling vibration data, according to self-defined mould
The regular bed of the dynamic adjusting machine within the specific limits machined parameters of paste, optimize machined parameters, reduce machine tooling vibration, so as to reaching
The purpose of machined surface quality is improved, while the system implementations are self-defined fuzzy rule, therefore natural providing is learnt by oneself
Function Extension is practised, for follow-up Intelligent Machining research provides interface.
The utility model employs singlechip technology, and it is integrated very easily to expand to chip-scale, takes off monitoring system
From the limitation of computer, be easily integrated into machine tool numerical control system, hence in so that system provide hit knife defencive function can
With relatively low price in the almost all of high-end technology content realized on low side Digit Control Machine Tool, lift lathe, and vibrate suppression
Function processed can then use middle and high end chip, after integrated chip program is updated to, expand on the lathe of middle and high end.
Claims (3)
1. a kind of machine vibration monitoring system based on LabView Yu single-chip microcomputer, it is characterised in that：With data acquisition unit,
PC host computer procedures unit and single-chip microcomputer logic control element, wherein：Data acquisition unit collection lathe vibration data is incoming
PC host computer procedure units；PC host computer procedures unit is analyzed calculating to machine vibration data, and output control is instructed to list
Piece machine logic control element；Single-chip microcomputer logic control element sends main shaft after logical process is carried out to control instruction to lathe PLC
Rotating speed multiplying power changes, feeding multiplying power changes and jerk process signal.
2. the machine vibration monitoring system based on LabView Yu single-chip microcomputer as described in claim 1, it is characterised in that：It is described
Data acquisition unit includes TEDS acceleration transducers and data collecting card, and wherein TEDS sensors are placed in machine tool chief axis vibration
Data collection point, is connected by holding wire with data collecting card, and data collecting card is by USB connecting lines and PC host computer procedure lists
Unit is connected.
3. the machine vibration monitoring system based on LabView Yu single-chip microcomputer as described in claim 1, it is characterised in that：It is described
Single-chip microcomputer logic control element includes single-chip microcomputer and relay module, and wherein single-chip microcomputer is by holding wire and PC host computer procedures
Unit is connected, and relay module input is connected by holding wire with single-chip microcomputer, and output end passes through holding wire and lathe PLC phases
Even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621177455.1U CN206193520U (en) | 2016-11-03 | 2016-11-03 | Lathe vibration monitoring system based on labView and singlechip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621177455.1U CN206193520U (en) | 2016-11-03 | 2016-11-03 | Lathe vibration monitoring system based on labView and singlechip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206193520U true CN206193520U (en) | 2017-05-24 |
Family
ID=58732461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621177455.1U Active CN206193520U (en) | 2016-11-03 | 2016-11-03 | Lathe vibration monitoring system based on labView and singlechip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206193520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647624A (en) * | 2016-11-03 | 2017-05-10 | 沈阳机床股份有限公司 | Machine tool vibration monitoring system and method based on LabView and single chip microcomputer |
-
2016
- 2016-11-03 CN CN201621177455.1U patent/CN206193520U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647624A (en) * | 2016-11-03 | 2017-05-10 | 沈阳机床股份有限公司 | Machine tool vibration monitoring system and method based on LabView and single chip microcomputer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107584334B (en) | A kind of complex structural member numerical control machining cutter status real time monitor method based on deep learning | |
| CN207408818U (en) | A kind of numerically-controlled machine tool with failure predication and diagnostic function | |
| CN109507952B (en) | Method for monitoring abnormal state of numerical control machining of complex part based on cutting load | |
| CN110362037A (en) | A kind of integrated maintenance system platform for numerically-controlled machine tool | |
| CN109396953A (en) | Lathe work condition intelligent identification system based on signal fused | |
| CN109298680A (en) | A kind of data collection system of cutting tool for CNC machine detection | |
| CN106020158A (en) | Processing technology big-data support system for project-type products | |
| CN101493471B (en) | Water sample on-line monitoring and overproof sample holding apparatus and operation method thereof | |
| CN108873813A (en) | Tool wear degree detection method based on main shaft of numerical control machine tool servo motor current signal | |
| CN104503362B (en) | Batch workpiece digital control processing progress automatic acquiring method based on Multi-information acquisition | |
| CN106863008A (en) | A kind of tool monitoring method and system based on graphical analysis | |
| CN114326594A (en) | Machine tool performance evaluation system based on machine tool data and evaluation method thereof | |
| CN103786093B (en) | What a kind of grinding status monitored in real time graphically detects display packing | |
| CN206193520U (en) | Lathe vibration monitoring system based on labView and singlechip | |
| CN106647624A (en) | Machine tool vibration monitoring system and method based on LabView and single chip microcomputer | |
| CN111176215A (en) | System and method for identifying running state of numerical control machine tool | |
| CN115291565A (en) | Digital twin system of machine tool | |
| CN108398150A (en) | A kind of fermentation automatically records analysis system | |
| CN202546235U (en) | Automatic monitoring system of steam trap | |
| CN103398673B (en) | A kind of energy movable grinding disc dynamic shape acquisition system based on FPGA and method | |
| CN110744359A (en) | Numerical control lathe cutter wear monitoring system and method | |
| CN208262422U (en) | A kind of laser scanning break detection device based on Internet of Things | |
| CN205332998U (en) | A health monitoring system for building structure | |
| CN106774245A (en) | Nuclear power station security level I ＆C equipment passage stability automatization test system and method | |
| CN210878880U (en) | Numerical control lathe cutter wearing and tearing monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |