CN201134035Y - Edge-shaver numerical control device - Google Patents
Edge-shaver numerical control device Download PDFInfo
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- CN201134035Y CN201134035Y CNU2007201319132U CN200720131913U CN201134035Y CN 201134035 Y CN201134035 Y CN 201134035Y CN U2007201319132 U CNU2007201319132 U CN U2007201319132U CN 200720131913 U CN200720131913 U CN 200720131913U CN 201134035 Y CN201134035 Y CN 201134035Y
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Abstract
The utility model discloses a numerical control device of an edge planer. The utility model relates to the edge planer, which is connected with each driving motor of the edge planer and consists of a PC, a data input device, a display, a motion control card and an I / O interface board, wherein, the PC is connected with the motion control card and the I / O interface board by a PCI bus; and a memory is arranged in the PC, wherein, the memory records the program of graphs formed according to input data, the program of running tracks formed according to data fed back by the motion control card, the program that realizes the PCI bus driving of the motion control card and the I / O interface board, the monitoring and diagnosing program of the I / O interface, and the program realizing the running speed control of a target point according to set data. The numerical control device of the utility model is also characterized by stability and reliability, good real time, high precision, simple and easy operation, convenient updating, high security and high performance price ratio.
Description
Technical field
The utility model relates to edge planer, relates in particular to the numerical control device of the edge planer of Digital Control.
Background technology
Existing numerical control edge planer control system mainly is divided into two big classes: first kind Machinery Control System, the electrical equipment control lathe moves back and forth, by hand or mechanical drive control cutter lifting advance and retreat.Second class is the electrical equipment control mode, and motor, demanding employing stepper motor are adopted in cutter work.
Through prior art is carried out retrieval analysis, the following problem of being not difficult to find to exist:
1) tooling system is huger, need expend a large amount of costs.Debugging is extremely inconvenient.
2) real-time responsiveness is poor, and speed and precision all do not reach desirable requirement.
3) function singlenessization is unfavorable for the function expansion.
4) maintenance and operation is all inconvenient, and system stability is poor.
The utility model content
The utility model provides a kind of automatic controlling level height at problems of the prior art, can realize multi-shaft interlocked, thereby can carry out the numerical control device of the edge planer of straight line, camber line edges of boards processing.
The technical solution of the utility model is: link to each other with each drive motor of edge planer, it is made up of PC, data input device, display, motion control card, I/O interface board, and PC is connected by pci bus with motion control card, I/O interface board; Establish in the PC record according to the input data form figure program, form the program of the program of running orbit, the monitoring that realizes program that the pci bus of motion control card and I/O interface board drives, I/O interface and diagnosis, realize the storer of the program of impact point travelling speed control according to setting data according to the motion control card feedback data; Described drive motor is a variable-frequency motor, finishing lathe moves back and forth, motion control card connection AC servo motor, finish cutter lifting advance and retreat, the I/O interface board is realized actions such as lathe moves back and forth, cutter work, cutter lifting by pci bus, also undertaking the task of reading in of switching signals such as lathe is spacing simultaneously.
Described motion control card is made up of interconnective DSP, FPGA, pci interface chip; Establish the memory block that records straight line and movement in a curve track patching plug program, multiaxis synchronous operation program, progress monitoring program in the DSP.
Described motion control card links to each other with variable-frequency motor, and main the driving adopted variable-frequency motor.
Described I/O interface board is realized a series of actions such as machine tool motion, cutter work, cutter lifting, is undertaking the task of reading in of switching signals such as lathe is spacing simultaneously.
Be provided with spacing, warning device on edge planer knife rest operating path, warning device connects PC, establishes on the storer in the PC and records the zone of handling and being transferred to the program of I/O interface board according to the warning device feedback data.
The utility model adopted embedded industrial control computer, motion control card, I/O interface board (Chinese term: the input and output control card), man-machine communication's equipment and numerical control administration module, servo-drive system, frequency conversion system; Make the operational objective point can realize linear running, also can realize arc-operation.On equipment, be provided with stop means, in knife rest and PC, be provided with data acquisition, disposal system simultaneously, make equipment possess warning function, improved the security of equipment.That the utility model also has is reliable and stable, real-time good, precision is high, operation is simple and easy, convenient upgrading, safe, characteristics that cost performance is high.
Description of drawings
Fig. 1 is a circuit connection diagram of the present utility model
Be the numerical control management system among the figure in the frame of broken lines;
Fig. 2 is the circuit connection diagram of motion control card in the utility model
Be motion control card in the frame of broken lines among the figure.
Embodiment
The utility model adopts embedded industrial control computer to be connected by pci bus with motion control card, constitutes the numerical control management system of whole digital control system.Constitute servo closed-loop system with the AC servo motor of system outside, undertaking the task of lathe of ordering, also play effects such as speed control, look-at-me processing simultaneously by the planing of designated movement track with frequency conversion system; Realize the output control task of a series of switching values, also undertaking the task of reading in of lathe limit switch signal simultaneously; The preferred embedded industrial control computer of PC, its man-machine communication's equipment comprises LCD/VGA (display interface), USB (flash disk interface), PS/2 (keyboard interface), floppy disk, these interfaces are integrated on the mainboard of embedded industrial computer, and this part is used to realize that the man-machine communication operates.On the storer of this external embedded industrial computer, record according to the input data form figure program, according to the motion control card feedback data form the program of running orbit, the monitoring that realizes program that the pci bus of motion control card and I/O interface board drives, I/O interface and diagnosis program, according to setting data realize the control of impact point travelling speed, be used to realize figure and file system management, the program of multiple-tasks such as information transmission, interface driving is used to realize the control to whole numerical control device.Embedded industrial computer is the core of whole numerical control management system, and it is being undertaken the total system managerial role.
The numerical control administration module is arranged in the numerical control management system, it carries out on the WINDOWS system platform, the task of specific implementation comprises: the multi-task scheduling strategy of numerical control management system, and the graph transformation of processed file is realized motion control card under the WINDOWS environment, the pci bus of I/O interface board drives, the monitoring of I/O interface and diagnosis, the tarnsition velocity control function of two line segment junctions, front and back, the graphic user interface of digital control system, file management system, tasks such as man-machine interaction mode.
Be provided with spacing, warning device on edge planer knife rest operating path, warning device connects PC, establishes on the storer in the PC and records the zone of handling and being transferred to the program of I/O interface board according to the warning device feedback data.
Kinetic control system comprises: DSP (digital signal microprocessor), FPGA (programmable logic device (PLD)) and pci interface, and concrete structure and function are as follows:
1) adopts PCI special purpose interface chip, link to each other with embedded industrial control computer by pci bus.During system works, pci interface only needs to accept control command by pci bus from embedded industrial control computer, sending these orders to DSP by FPGA then carries out, DSP feeds back to embedded industrial computer with a series of data messages in the planing process by pci interface by FPGA, realizes the data double-way transmission of embedded industrial control computer and motion control card.
2) adopt the DSP microprocessor as motion control unit, comprise the interpolation of straight line and circular arc line segment, multiaxis is synchronized with the movement, progress monitoring, possess the line segment processing capacity simultaneously, promptly the TRAJECTORY CONTROL strategy of good all line segments of DSP advance planning sends pulse signal control motor rotation then.
DSP is by driving interface drives AC servo motor, and frequency conversion system sends to pci interface by FPGA with data, by pci interface information is passed to embedded industrial control computer again.
DSP self finishes and the relevant control of moving, and takies the time of embedded industrial control computer hardly, and embedded industrial control computer can be handled other control and detection task like this.Simultaneously, DSP has the ability of programmable, can guarantee the opening and the real-time of motion control by downloading part process control sign indicating number in the inner execution of DSP.
3) adopt the intermediary of programmable logic device (PLD) (FPGA), realize the data double-way transmission between DSP and the pci interface as interface chip and DSP microprocessor, and the auxiliary motion control function of finishing DSP.
The sender always analyzes from data message, the whole system operation process can be divided into two parts.First is the forward transport process of data message, and the processed file code is converted in the internal memory that planing information leaves embedded industrial control computer in by man-machine communication part (keyboard and floppy drive) input, graphic interface function by the numerical control administration module.Subsequently, embedded industrial control computer sends these information respectively to motion control card and I/O interface board fast.Motion control card is with frequency conversion system, link to each other with the drive unit of AC servo motor, the instruction of sending according to embedded industrial control computer, pulse control signal is sent to motor driver, realize control and speed control (being that interpolation is moving calculates) the machine tool motion track.Simultaneously, embedded industrial control computer passes to the break-make that the I/O interface board is controlled outside relay with switching value information by pci bus.
Another part is the reverse transmission of data message.AC servo motor and drive unit thereof and frequency conversion system will be through the position signalling translatory movement control cards of burst process by signal transmssion line.After motion control card receives these position signallings, utilize them to continue to finish the interpolation task, simultaneously, these information are passed to embedded industrial computer by pci bus.Be installed in the numerical control administration module process data processing on the embedded industrial control computer, on display, show the position and the velocity information of current lathe in real time.
The utility model can realize under the WINDOWS environment that also pci bus drives, and the pci bus transmission speed is fast, and stability better.The DSP instruction execution speed is fast; its maximum frequency that sends can reach 250KHz, guarantees that the highest moving line speed of lathe can reach 15000mmpm, and control accuracy reaches 8000 (pulse)/mm; realize efficient, the high-precision motion control of carrying out, real-time and be convenient to the upgrading.FPGA not only can realize basic dual port RAM (data-carrier store) function, and is programmable, has increased the dirigibility of motion control card function control greatly.The numerical control administration module moves in the WINDOWS system, and its reliability, stable aspect are fit to abominable production environment very much, and powerful, easy and simple to handle, and friendly interface has satisfied the specific (special) requirements of planing technology well.
In a word, embedded industrial control computer, motion control card, I/O interface board, man-machine communication's equipment based on the PCI+DSP+FPGA technology, based on the optimal combination of the numerical control administration module of WINDOWS platform, make this control system good stability and be not subject to the industry spot interference source and disturb; Arithmetic capability is strong, and processing speed is fast; Have abundant interface and can carry out communication by serial ports and remote computer; And be easy to debugging, safeguard and upgrade.
The utility model is simple in structure, each ingredient is relatively independent, and it is ingredient that part hardware can directly be purchased the commercial goods, adds to develop ripe numerical control administration module, The whole control system is compared with existing control system, and not only performance improves but also assembling is simple.
As shown in Figure 1, the basic composition of the utility model preferred implementation comprises embedded industrial control computer, motion control card, I/O interface board, man-machine communication's equipment, numerical control administration module, frequency conversion system, 7 part compositions of servo driving.
1) embedded industrial control computer adopts an industrial special purpose computer, band PCI, LCD/VGA, USB, PS/2| floppy drive interface, also can adopt other model embedded industrial control computer with above interface, the existing at present embedded industrial computer that satisfies above-mentioned requirements is sold.
2) man-machine communication's equipment is made up of LCD/VGA display, industrial keyboard, USB flash disk, floppy disk etc., links to each other with embedded industrial control computer by interfaces such as LCD/VGA, USB, PS/2, floppy drives, realizes the man-machine communication.
3) the I/O interface board is realized machine tool motion by pci bus, cutter work, and the task that switching signals such as lathe is spacing are read in is also being undertaken simultaneously in a series of actions such as cutter lifting.
Man-machine communication's equipment, I/O interface board at home and abroad electronic product manufacturer all have purchase, and can directly adopt the commercial goods is ingredient.
The numerical control administration module is installed on the embedded Control computing machine, works on the WINDOWS platform.
As shown in Figure 2, motion control card of the present utility model adopts on the control panel of Open architecture, mainly contains DSP, FPGA, pci interface chip composition.DSP selection work frequency is up to the little reason chip of the high-speed floating point type of 100MHz, and FPGA adopts nearly 20,000 programmable logic device (PLD), and pci interface chip adopts the PCI9052 special chip.In addition, also comprise driver interface circuit and peripheral circuit, they are made of common electronic devices and components.
Motion control card reaches Electric Machine Control and the data message purpose of feedback in real time by the bi-directional of pci bus realization data.
Motion control card receives the order that embedded industrial control computer sends by pci interface, and the inner preprocessing tasks that realizes Electric Machine Control of DSP is calculated by interpolation is moving then, sends pulse signal control lathe by intended trajectory and speed operation.Simultaneously, DSP gives embedded industrial control computer by the real-time feedback data of pci interface.The driver interface circuit is used to amplify the pulse signal that DSP sends, and it directly is connected with motor driver, and peripheral circuit is the necessary components and parts of each chip operate as normal.
Claims (5)
1, the numerical control device of edge planer links to each other with each drive motor of edge planer, it is characterized in that it is made up of PC, data input device, display, motion control card, I/O interface board, and PC is connected by pci bus with motion control card, I/O interface board; Establish in the PC record according to the input data form figure program, form the program of the program of running orbit, the monitoring that realizes program that the pci bus of motion control card and I/O interface board drives, I/O interface and diagnosis, realize the storer of the program of impact point travelling speed control according to setting data according to the motion control card feedback data; Described drive motor is a variable-frequency motor, finishing lathe moves back and forth, motion control card connection AC servo motor, finish cutter lifting advance and retreat, the I/O interface board is realized actions such as lathe moves back and forth, cutter work, cutter lifting by pci bus, also undertaking the task of reading in of switching signals such as lathe is spacing simultaneously.
2, the numerical control device of edge planer according to claim 1 is characterized in that, described motion control card is made up of interconnective DSP, FPGA, pci interface chip; Establish the memory block that records straight line and movement in a curve track patching plug program, multiaxis synchronous operation program, progress monitoring program in the DSP.
3, the numerical control device of edge planer according to claim 1 is characterized in that, described motion control card links to each other with variable-frequency motor, and main the driving adopted variable-frequency motor.
4, the numerical control device of edge planer according to claim 1 is characterized in that, described I/O interface board is realized a series of actions such as machine tool motion, cutter work, cutter lifting, is undertaking the task of reading in of switching signals such as lathe is spacing simultaneously.
5, according to the numerical control device of claim 1,2,3 or 4 described edge planers, it is characterized in that, on edge planer knife rest operating path, be provided with spacing, warning device, warning device connects PC, establishes on the storer in the PC and records the zone of handling and being transferred to the program of I/O interface board according to the warning device feedback data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201319132U CN201134035Y (en) | 2007-12-25 | 2007-12-25 | Edge-shaver numerical control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201319132U CN201134035Y (en) | 2007-12-25 | 2007-12-25 | Edge-shaver numerical control device |
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| Publication Number | Publication Date |
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| CN201134035Y true CN201134035Y (en) | 2008-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007201319132U Expired - Fee Related CN201134035Y (en) | 2007-12-25 | 2007-12-25 | Edge-shaver numerical control device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103135495A (en) * | 2013-02-02 | 2013-06-05 | 湖州交达数控科技有限公司 | Control system for numerical control cutting machine |
| CN103692351A (en) * | 2013-11-26 | 2014-04-02 | 中山市锋凡机械设备有限公司 | Numerical control system of sanding equipment and part polishing method based on system |
| CN105929794A (en) * | 2016-04-13 | 2016-09-07 | 上海柏楚电子科技有限公司 | Plug-and-play industrial network expansion method |
-
2007
- 2007-12-25 CN CNU2007201319132U patent/CN201134035Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103135495A (en) * | 2013-02-02 | 2013-06-05 | 湖州交达数控科技有限公司 | Control system for numerical control cutting machine |
| CN103692351A (en) * | 2013-11-26 | 2014-04-02 | 中山市锋凡机械设备有限公司 | Numerical control system of sanding equipment and part polishing method based on system |
| CN105929794A (en) * | 2016-04-13 | 2016-09-07 | 上海柏楚电子科技有限公司 | Plug-and-play industrial network expansion method |
| CN105929794B (en) * | 2016-04-13 | 2018-08-21 | 上海柏楚电子科技有限公司 | A kind of industrial network extended method of plug and play |
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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: 20081015 Termination date: 20141225 |
|
| EXPY | Termination of patent right or utility model |