CN201815924U - System for acquiring dynamic positioning accuracy data of digit control machine tool - Google Patents
System for acquiring dynamic positioning accuracy data of digit control machine tool Download PDFInfo
- Publication number
- CN201815924U CN201815924U CN2010205511689U CN201020551168U CN201815924U CN 201815924 U CN201815924 U CN 201815924U CN 2010205511689 U CN2010205511689 U CN 2010205511689U CN 201020551168 U CN201020551168 U CN 201020551168U CN 201815924 U CN201815924 U CN 201815924U
- Authority
- CN
- China
- Prior art keywords
- axis
- signal
- circuit
- machine tool
- chip
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Numerical Control (AREA)
Abstract
The utility model relates to a system for acquiring dynamic positioning accuracy data of a digit control machine tool. The system comprises a data acquiring device and a personal computer (PC) machine, wherein the data acquiring device comprises an X-axle grating ruler pulse signal-acquiring circuit/processing circuit, a Y-axle grating ruler pulse signal-acquiring circuit/processing circuit, a data acquisition initial position enable circuit and a digital signal processor (DSP) control circuit. When the z-axle of the machine tool is downwards drilled, an X-axle servo motor and a Y-axle servo motor are stopped, the positions of a X-axle grating ruler and a Y-axle grating ruler are acquired by the time that the z-axle of the machine tool is downwards drilled, and the drilling positioning accuracy of the machine tool in the process of practical processing is obtained by computing/comparing the acquired positions with a pre-stored standard numerical value. Compared with the conventional laser detector which only can detect the static accuracy, the system can timely detect the practical positions of the X axle and the Y axle of the machine tool by the feed back of the grating ruler when the digit control machine tool runs at a high speed, thereby being capable of objectively and fast reflecting the mechanical installation accuracy of the machine tool as well as the adjusting condition and the accuracy of the parameters of the machine tool.
Description
Technical field
The utility model relates to a kind of checkout equipment, specifically is meant a kind of Digit Control Machine Tool dynamic locating accuracy data collecting system.
Background technology
The accuracy detection of Digit Control Machine Tool mainly detects according to laser detecting apparatus at present.This detection mode has following shortcoming: (1) laser detecting apparatus needs the special messenger to operate, and volume is big, is difficult for calibration, and its calibration error can directly influence accuracy of detection.(2) price of laser detecting apparatus is very expensive, and annex is a lot, when precision problem appears in lathe, at first will get rid of the precision problem of laser detecting apparatus own, expends a large amount of manpower and materials.(3) laser detecting apparatus can only carry out the static accuracy detection, and its testing result can only reflect the mechanical precision of lathe itself, can not reflect the machining accuracy of lathe.In fact, have only dynamic accuracy can reflect the adjustment situation of machine tool mechanical installation accuracy and lathe parameter, also can objectively respond out the machining accuracy of lathe reality.Therefore the technology that adopts laser detecting apparatus that Digit Control Machine Tool is detected is difficult to popularize in an all-round way.
In addition, the conventional dynamic accuracy checking method, the mode that adopts the workpiece to machine tooling to detect, and then according to the precision of the precision evaluation lathe of this workpiece.This method inevitably is subjected to the influence of cutter and workpiece to be machined material, and interference detection results can not reflect the actual machining accuracy of lathe itself; And waste time and energy.
Therefore, be necessary to develop a kind of new Digit Control Machine Tool data collecting system that can realize Dynamic Data Acquiring.
The utility model content
Technical problem to be solved in the utility model provides a kind of Digit Control Machine Tool data collecting system that can realize Dynamic Data Acquiring.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is:
A kind of Digit Control Machine Tool dynamic locating accuracy data collecting system, comprise the PC that is connected in the data acquisition unit between lathe grating chi holding wire and the lathe and is connected with the data acquisition unit signal, described data acquisition unit comprises: the Acquisition Circuit of X-axis grating chi pulse towards the Acquisition Circuit of signal, Y-axis grating chi pulse towards signal; The X-axis signal processing circuit, the Y-axis signal processing circuit that are connected respectively with above-mentioned two circuit; Be connected the DSP control circuit that the lathe working condition is directly monitored with X-axis signal processing circuit, Y-axis signal processing circuit, described DSP supervisory circuit is connected with the PC signal by Ethernet; Data acquisition original position enable circuits is connected with the DSP control circuit, gathers lathe Z axle and begins the signal that bores down and handle the back letter to input to the DSP control circuit.
Concrete, described DSP control circuit realizes that by the network communication circuit signal is connected with PC.
Described X, Y-axis grating chi pulse export to the DSP control circuit by data/address bus towards sending to after the Acquisition Circuit of signal is gathered X, Y-axis grating chi signal respectively after signal processing circuit is handled again; Send the analytical calculation that computer carries out data to by the DSP control circuit again, finally obtain the positioning accuracy of lathe, and storage.
Depend on said system, the using method of Digit Control Machine Tool dynamic accuracy detection system described in the utility model is:
(1) is connected with PC with the corresponding connection of described data acquisition unit, and by network with lathe;
(2) open lathe, computer and described data acquisition unit, when machine tool chief axis is holed, adopt described data acquisition unit to gather the position signalling of lathe X-axis and Y-axis grating chi in real time downwards;
(3) described signal is given PC by network delivery, by X, the physical location of Y-axis and the error of assigned position in PC calculating and the demonstration main shaft going down process;
(4) calculate the actual machining accuracy of determining lathe by PC according to the closeness of boring.
When described main shaft was holed downwards, the position signalling number of times that described data acquisition unit is gathered lathe X-axis and Y-axis grating chi was 8-10 time.
The utility model compared with prior art, the utlity model has following advantage and beneficial effect: described Digit Control Machine Tool data collecting system and detection method can the precision to lathe detect in the lathe operate as normal, whole testing process has been eliminated the error that human factor may cause fully, for the actual machining accuracy of lathe provides a data foundation more reliably, conveniently in lathe debugging, check, improve machine tool accuracy.Simultaneously, described data acquisition unit volume is little, and outside line is simple, and is easy to operate, is difficult for makeing mistakes.
Description of drawings
Accompanying drawing 1 is the theory diagram of Digit Control Machine Tool dynamic locating accuracy data collecting system;
Accompanying drawing 2 is described data collecting system X-axis grating chi signal acquisition circuit principle schematic;
Accompanying drawing 3 is described data collecting system X-axis signal processing circuit principle schematic;
Accompanying drawing 4 is described data collecting system Y-axis grating chi signal acquisition circuit principle schematic;
Accompanying drawing 5 is described data collecting system Y-axis signal processing circuit principle schematic;
Accompanying drawing 6 is described data collecting system DSP control circuit principle schematic;
Accompanying drawing 7 is that described data collecting system is gathered original position enable circuits principle schematic;
Accompanying drawing 8 is that described data collecting system power supply and data acquisition enable input interface;
Accompanying drawing 9 is described data collecting system ethernet interface circuit theory schematic diagrames;
Accompanying drawing 10 is described data collecting system ethernet communication circuit theory schematic diagrames.
The specific embodiment
Below in conjunction with drawings and the specific embodiments the technical solution of the utility model is described in further detail.
With reference to Fig. 1, Digit Control Machine Tool dynamic locating accuracy data collecting system described in the utility model comprises a data acquisition unit and a PC; Described data acquisition unit is connected in and is used to gather lathe X, Y-axis grating chi signal between lathe grating chi holding wire and the lathe, and PC is used for the integrated treatment and the analysis of signal data, finally obtains the dynamic locating accuracy data of lathe to be measured.
Described data acquisition unit comprises: the Acquisition Circuit of X-axis grating chi pulse towards the Acquisition Circuit of signal, Y-axis grating chi pulse towards signal; The X-axis signal processing circuit, the Y-axis signal processing circuit that are connected respectively with above-mentioned two circuit; Be connected with X-axis signal processing circuit, Y-axis signal processing circuit the lathe working condition is carried out directly actuated DSP control circuit, described DSP control circuit is connected by ethernet signal with PC.
During concrete enforcement, see Fig. 2～7, described X-axis grating chi pulse towards the Acquisition Circuit of signal with X-axis grating chi A mutually and B mutually just negative signal behind the A of chip U4, B passage, be divided into two paths of signals through bus driver chip U5 more respectively, one the tunnel exports to the X-axis signal processing circuit through 5,7 pin of U5, another road returns to the servo controlling card of lathe through U3A, the output of B passage; X-axis grating chi C phase signals enters through chip U4C passage, again by the output of chip U3C passage, returns to the servo controlling card of lathe.Described X-axis signal processing circuit comprises Intelligent treatment chip U11, and it receives X-axis grating chi pulse and exports to the DSP control circuit towards the signal and the processing back of signal acquisition circuit by data/address bus.
Described Y-axis grating chi pulse towards the Acquisition Circuit of signal with Y-axis grating chi A mutually and the B phase signals respectively behind chip U2A, B passage, be divided into two paths of signals through bus driver chip U10 again, one road signal is through U1A, the output of B passage, and the Y-axis signal processing circuit is exported on another road; Y-axis grating chi C phase signals enters through chip U2C passage, is exported by chip U1C passage again.Described Y-axis signal processing circuit comprises Intelligent treatment chip U12, and it receives Y-axis grating chi pulse and also exports to the DSP control circuit towards the signal and the processing back of signal acquisition circuit by data/address bus.
Described DSP control circuit adopts dsp chip U8, and it gives intelligent chip U11, the U12 of X, Y-axis signal processing circuit by 2,3 pin output chip selection signal; Read/preserve the X-axis of U11, U12 output and the position signalling of Y-axis by data/address bus.
Described data acquisition original position enable circuits comprises light lotus root U9, diode D6, capacitor C 34, C35, resistance R 55, R56, R57, R58; Described data acquisition original position enable signal all is connected with Zener diode D6 voltage stabilizing end, resistance R 58 1 ends, capacitor C 35 1 ends; The anode of Zener diode D6 connects with 1 pin of light lotus root U9 by resistance R 57; The 4th pin of light lotus root U9 is connected light lotus root U9 the 2nd, 3 pin ground connection by resistance R 55 with dsp chip.
As Fig. 9,10, described ethernet circuit comprises chip U13, U14, U15, resistance R 51, R52, R53, light emitting diode RX, TX, LEN, diode D8, capacitor C 36, C37 etc.Chip U15, diode D8, capacitor C 36, C37 form the power circuit of Ethernet; Ethernet signal connects with chip U14 through transformer; Chip U14 connects with DSP by 27,28,29,30, and resistance R 51, R52, R53 are composed in series the status display circuit of Ethernet respectively with light emitting diode RX, TX, LEN.
As described in being respectively as Fig. 7,8 data collecting system gather original position enable circuits principle schematic and as described in data collecting system power supply and data acquisition enable input interface.In Fig. 7, EN-IN holds dsp chip 12 pin that connect data acquisition unit by interface shown in Figure 8, L-EN termination lathe master control system.The 24V power supply is introduced by being each module for power supply in the described data acquisition unit after the described data acquisition unit internal electric source module converts by lathe.
For easy to use, described data acquisition unit adopts the 24V power supply work identical with lathe, installs in the described PC.
When described data acquisition unit uses:
1. at first the grating chi holding wire of lathe is pulled down, X-axis grating chi holding wire is inserted data acquisition unit X-axis light input port, Y-axis grating chi holding wire is inserted data acquisition unit Y-axis light input port, again dynamic accuracy harvester X-axis delivery outlet line is connected to lathe grating chi X-axis input interface, dynamic accuracy harvester Y-axis delivery outlet line is connected to lathe grating chi Y-axis input interface;
2. described data acquisition unit power supply and data acquisition are enabled 24V and the TBK interface (be used for the breaking detection and enable, can be used for data acquisition unit work simultaneously and enable) that input interface is connected to lathe;
3. the ethernet interface of data acquisition unit is connected to the Ethernet interface of another computer with straight through cable;
4. open lathe operation drilling program, and start another computer run Dynamic Data Acquiring program, and in computer programming system, insert and lathe Dynamic Data Acquiring device corresponding IP address, to realize the transmission of data;
5. reset lathe to zero-bit; In the computer data acquiring program, select the beginning monitoring function, it is connected with the dynamic accuracy checkout gear; Click the collection position zero clearing again, make the zero clearing of Dynamic Data Acquiring program point; This moment, mobile lathe was to any one point, clicked＜read current XY position in the Dynamic Data Acquiring program〉then can in the PC window, demonstrate the XY shaft position coordinate of current lathe.
6. from the lathe drilling program, transfer a boring file, and file is moved to suitable position.This document is admitted on the above-mentioned PC click＜importing drl file from dynamic data acquisition program 〉, open file.In the Dynamic Data Acquiring program, insert again with lathe on identical zero point coordinate and zero migration coordinate.
7. lathe is moved on first record of file.Inserting opening entry in the Dynamic Data Acquiring program number is 1, clicks and determines, clicks to begin sampling again, and Dynamic Data Acquiring program and dynamic accuracy checkout gear are started working.
8. on lathe, carry out all drilled hole, also can show the real-time moving coordinate of lathe at this moment in the Dynamic Data Acquiring program of PC.
Can show the packet of each coordinate in the PC window, each packet can show 10 groups of coordinates (number of coordinates can be revised), is respectively that the Z axle begins to bore down 10 position coordinateses that (position pulls out of hole) collects in deepest point (the bore eventually) process.The maximum difference of these 10 position datas and theoretical position (X-axis coordinate, Y-axis coordinate) is the error (X-axis error, Y-axis error) of X-axis and Y-axis.With these data again with the boring file that imports in corresponding coordinate (theoretical X-axis, theoretical Y-axis) compare the error (X-axis error 2, Y-axis error 2) that can draw physical location and file.These data all can be presented in the window at program center.Program can step-up error scope (upper specification limit, specification lower limit), will show on the record coordinate of corresponding hole that when a certain group of data overrun different colours warn.In sampling process or sampling can click＜the CPK value after finishing calculate current drilled in porose CPK value (closeness in hole), and can generate chart, conveniently check.Can also insert the information relevant in the program,, can save as text, consult and reference after being provided with testing result as lathe numbering, main shaft numbering etc. with lathe.
Not specifically described module is mature modules of the prior art in the system described in the utility model, therefore its specific implementation is not given unnecessary details.
The foregoing description only is the utility model preferred implementation; but embodiment of the present utility model is not limited thereto; anyly do not deviating from the change done under spiritual essence of the present utility model and the principle, modification, substituting, combination, simplifying; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (6)
1. Digit Control Machine Tool dynamic locating accuracy data collecting system comprises data acquisition unit that is connected between lathe grating chi holding wire and the lathe and the PC that is connected with the data acquisition unit signal, and it is characterized in that: described data acquisition unit comprises:
The Acquisition Circuit of X-axis grating chi pulse towards the Acquisition Circuit of signal, Y-axis grating chi pulse towards signal;
The X-axis signal processing circuit, the Y-axis signal processing circuit that are connected respectively with above-mentioned two circuit;
Be connected with X-axis signal processing circuit, Y-axis signal processing circuit the lathe working condition is carried out directly actuated DSP control circuit, described DSP control circuit is connected with the PC signal;
Data acquisition original position enable circuits is connected with the DSP control circuit, gathers to input to the DSP control circuit after lathe Z axle begins to bore signal and processing down.
2. Digit Control Machine Tool dynamic locating accuracy data collecting system according to claim 1 is characterized in that: described DSP control circuit realizes that by the network communication circuit signal is connected with PC.
3. Digit Control Machine Tool dynamic locating accuracy data collecting system according to claim 2, it is characterized in that: described X-axis grating chi pulse towards the Acquisition Circuit of signal with X-axis grating chi A mutually and B mutually just negative signal behind the A of chip U4, B passage, be divided into two paths of signals through bus driver chip U5 more respectively, one the tunnel exports to the X-axis signal processing circuit through U5 5,7 pin, is used for reading the physical location of lathe X-axis; Another road returns to the servo controlling card of lathe through U3 A, the output of B passage; X-axis grating chi C phase signals enters through chip U4C passage, again by the output of chip U3C passage, returns to the servo controlling card of lathe;
Described Y-axis grating chi pulse towards the Acquisition Circuit of signal with Y-axis grating chi A mutually and the B phase signals respectively behind chip U2 A, B passage, be divided into two paths of signals through bus driver chip U10 again, one road signal returns to the servo controlling card of lathe through U1 A, the output of B passage; The Y-axis signal processing circuit is exported on another road; Y-axis grating chi C phase signals enters through chip U2C passage, again by the output of chip U1C passage, returns to the servo controlling card of lathe.
4. Digit Control Machine Tool dynamic locating accuracy data collecting system according to claim 3, it is characterized in that: described X-axis signal processing circuit comprises Intelligent treatment chip U11, and it receives X-axis grating chi pulse and export to the DSP control circuit by data/address bus after the Acquisition Circuit signal of signal is handled;
Described Y-axis signal processing circuit comprises Intelligent treatment chip U12, and it receives Y-axis grating chi pulse and export to the DSP control circuit by data/address bus after the signal acquisition circuit signal is handled.
5. Digit Control Machine Tool dynamic locating accuracy data collecting system according to claim 4, it is characterized in that: described DSP control circuit comprises DSPIC33F chip U8, and it gives intelligent chip U11, the U12 of X, Y-axis signal processing circuit by 2,3 pin output chip selection signal; Read/preserve the X-axis of U11, U12 output and the position signalling of Y-axis by data/address bus.
6. Digit Control Machine Tool dynamic locating accuracy data collecting system according to claim 5 is characterized in that: described data acquisition original position enable circuits comprises light lotus root U9, diode D6, capacitor C 34, C35, resistance R 55, R56, R57, R58; Described data acquisition original position enable signal all is connected with Zener diode D6 voltage stabilizing end, resistance R 58 1 ends, capacitor C 35 1 ends; The anode of Zener diode D6 connects with first pin of light lotus root U9 by resistance R 57; The 4th pin of light lotus root U9 is connected second and third pin ground connection of light lotus root U9 by resistance R 55 with dsp chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205511689U CN201815924U (en) | 2010-09-29 | 2010-09-29 | System for acquiring dynamic positioning accuracy data of digit control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205511689U CN201815924U (en) | 2010-09-29 | 2010-09-29 | System for acquiring dynamic positioning accuracy data of digit control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201815924U true CN201815924U (en) | 2011-05-04 |
Family
ID=43913892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205511689U Expired - Fee Related CN201815924U (en) | 2010-09-29 | 2010-09-29 | System for acquiring dynamic positioning accuracy data of digit control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201815924U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009369A (en) * | 2010-09-29 | 2011-04-13 | 惠州市大亚湾天马电子机械有限公司 | Dynamic positioning accuracy data acquisition system of numerical control machine tool |
| CN103727909A (en) * | 2014-01-27 | 2014-04-16 | 苏州全代数控科技有限公司 | Precision measuring instrument of machine tool |
| CN109690427A (en) * | 2017-05-23 | 2019-04-26 | 深圳配天智能技术研究院有限公司 | A kind of method and device monitoring NC Machining Process |
-
2010
- 2010-09-29 CN CN2010205511689U patent/CN201815924U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009369A (en) * | 2010-09-29 | 2011-04-13 | 惠州市大亚湾天马电子机械有限公司 | Dynamic positioning accuracy data acquisition system of numerical control machine tool |
| CN102009369B (en) * | 2010-09-29 | 2013-04-17 | 惠州市大亚湾天马电子机械有限公司 | Dynamic positioning accuracy data acquisition system of numerical control machine tool |
| CN103727909A (en) * | 2014-01-27 | 2014-04-16 | 苏州全代数控科技有限公司 | Precision measuring instrument of machine tool |
| CN109690427A (en) * | 2017-05-23 | 2019-04-26 | 深圳配天智能技术研究院有限公司 | A kind of method and device monitoring NC Machining Process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102009369B (en) | Dynamic positioning accuracy data acquisition system of numerical control machine tool | |
| CN103939081B (en) | Well logging engineering parameter data Fast Acquisition System and processing method thereof | |
| CN108196514A (en) | A kind of numerically-controlled machine tool operating status long-distance monitoring method | |
| CN201815924U (en) | System for acquiring dynamic positioning accuracy data of digit control machine tool | |
| CN101733678B (en) | Graphical cutter position tracking and controlling system and method | |
| CN203732710U (en) | Intelligent calibration system for power quality monitoring equipment | |
| CN104002195A (en) | Tool life prediction system based on energy | |
| CN107193259A (en) | A kind of Digit Control Machine Tool main transmission energy consumption and temporal information acquisition methods based on real time electrical quantity | |
| CN104999342A (en) | Automatic measuring system and method for thermal error of numerical control machine tool in real cutting state | |
| CN108406443A (en) | CNC machine handle of a knife cutting force intelligent monitor system based on deep learning cloud platform | |
| CN111300148A (en) | Method for monitoring tool wear through current signals | |
| CN109015571A (en) | A kind of Intelligent toolbox | |
| CN205384740U (en) | Terminal Test system device is gathered to digital intelligent electric flux | |
| CN106289458B (en) | A kind of level meter automatic calibration device | |
| CN205904781U (en) | Digit control machine tool cutter measurement system | |
| CN209148845U (en) | A kind of driving control system for electric machine efficiency Detecting data frame based on power control | |
| CN105204483A (en) | Numerical control machining cutter management information collection device | |
| CN103822579B (en) | Control system for laser dimension measuring apparatus | |
| CN202074955U (en) | Device capable of automatically measuring quantity and length of cloth | |
| CN113050541A (en) | Numerical control machine tool energy consumption and processing state on-line monitoring system | |
| CN205139693U (en) | Digital control processing cutter management information collection system | |
| CN201607961U (en) | Portable computer-aided testing device for verifying selector for nuclear power station | |
| CN202735778U (en) | Numerical control machine tool cutting performance and cutting power testing device | |
| CN204405465U (en) | A kind of wear-resistance detector control system | |
| CN212374571U (en) | Structure capable of automatically recording data of cloth paving machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20140929 |
|
| EXPY | Termination of patent right or utility model |