CN100999065A - Roll grinder digital control system having redundancy function - Google Patents
Roll grinder digital control system having redundancy function Download PDFInfo
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- CN100999065A CN100999065A CN 200610054568 CN200610054568A CN100999065A CN 100999065 A CN100999065 A CN 100999065A CN 200610054568 CN200610054568 CN 200610054568 CN 200610054568 A CN200610054568 A CN 200610054568A CN 100999065 A CN100999065 A CN 100999065A
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Abstract
The present invention relates to a roll grinding machine numerical control system with redundant function. Said system includes a numerical control computer system; a main operation station on which a main display is set; a PLC programmable logic controller, its 'PROFIBS' interface is connected with 'PROFIBS' interface of CNC computer; a DC digital speed-regulating device, it is connected with 'PROFIBS' interface of PLC programmable logic controller; an AC digital speed-regulating device, it is connected with said DC digital speed-regulating device; a repeater, it is connected with AC digital speed-regulating device; and an auxiliary drive system, it is connected with 'digital I/O interface' of PLC programmable logic controller. It is characterized by that on the mainboard of CNC computer a redundant hard disk is set, and on the main operation station a redundant display is set.
Description
Technical field
The present invention relates to machine tool numerical control system, be specifically related to have the roll grinder digital control system of redundancy feature.
Background technology
Roll grinder becomes the indispensable necessity equipment of each industrial circle already, is widely used in the grinding of the roll shape workpiece of industries such as metallurgy, chemical industry, papermaking.The generation of Digit Control Machine Tool and development, make the powerful guarantee of high-quality, high efficiency, high uniformity product especially, the patent of invention that is called " roll grinder digital control system and method " as the name of CN1067619C bulletin, this patent has adopted computer and Programmable Logic Controller, improves machining accuracy and operating efficiency.Digit Control Machine Tool is a kind of high accuracy, high efficiency automation equipment, if its loss of breaking down is just bigger, just seems particularly important so improve the reliability of Digit Control Machine Tool.But roll grinder of the prior art is because the technical conditions restriction of its digital control system, make it can not satisfy the needs of modern industry fully, the shortcoming of digital control system is in the prior art: the reliability of digital control system is relatively poor, directly causes the reliability of lathe relatively poor, fault rate is high.The reliability of digital control system depends on many aspects, as hydraulic servo element, electrical servo element, machine driving etc.In actual production process, it may be hard disk, display that the typical control assembly that causes controlling fault (workpiece that for example loss of data, lathe pause, just are being put on the lathe damages) damages, and very most fault is caused by these parts.
Summary of the invention
The purpose of this invention is to provide a kind of roll grinder digital control system with redundancy feature; this system easy damage is caused fault component configuration acknowledgment copy; when digital control system breaks down because of these easily worn parts, still can work on, thereby reduce downtime, improve grinding efficiency.
Roll grinder digital control system with redundancy feature of the present invention comprises: a digital control computer system, and this system is made up of CNC computer and the terminal unit that connects with it; In the CNC computer, be provided with ILC2000R numerical control software and multiple metering module; One master operating station which is provided with basic display unit, connects with the TS1 interface of the terminal unit of digital control computer system, connects with the VGA1 interface of CNC computer by this interface again; One PLC programmable logic controller (PLC), its " PROFIBS interface " connects with " the PROFIBS interface " of CNC computer; In the PLC programmable logic controller (PLC), be provided with communication module and servo-drive system and drive control program; One DC digital arrangements for speed regulation, with the PLC programmable controller " " PROFIBS interface " connects; One ac digital arrangements for speed regulation connect with the DC digital arrangements for speed regulation; One repeater connects with the ac digital arrangements for speed regulation; One accessory drive system connects with " the digital I/O interface " of PLC programmable controller;
It is characterized in that:
A, on the mainboard of CNC computer, be provided with redundant hard disk, Primary Hard Drive connected with RAID IDE hard-disk interface, redundant hard disk is connected with the RAIDIDE hard-disk interface by cable with master/slave connector by cable with master/slave connector; The CDROM CD-ROM drive connects with IDE-2 interface on the mainboard;
B, master operating station are provided with a redundant display, and redundant display connects with the TS2 interface of the terminal unit of digital control computer system, connect with VGA2 interface on the CNC computer motherboard by this interface again.
The digital control computer system is the maincenter of CNC roll grinder, and it instructs the repertoire that receives and decodes, computing, sends the control instruction of the movement instruction and the various lathe functions of various needs then in an orderly manner, finishes until motion and function.
The PLC programmable logic controller (PLC) is the logic control center of the every function of roll grinder.It will carry out the logic ordering from the various motions of CNC computer and function command, make they can be exactly, the safe operation of harmonious orderly ground; To send the CNC computer to from the various information and the duty of lathe simultaneously, and make CNC calculate function and send further control instruction timely and accurately, so realize control whole lathe.
For the continuity that guarantees grinding work and the safety of grinding program and data, this digital control computer hard disk has adopted RAID-1, claims the mirror image mode again, just the redundancy of data.How RAID-1 mode technology emphasis can be on the reliability and recoverability that guarantee system under the situation that does not influence performance to greatest extent if all being placed on.Under the RAID-1, the fault of any hard disk can not have influence on the normal operation of system, as long as can guarantee to have at least in any a pair of mirror drive a disk to use, RAID-1 even continual work can go wrong at the hard disk of half quantity the time.When a hard disk lost efficacy, this hard disk can be ignored by system, then used remaining mirror drive to read and write data.Two displays of native system equipment: i.e. basic display unit and redundant display, the supervision of roll grinder, the processing of measurement data and programming all can be carried out simultaneously.If a display breaks down, another display will work on, and not have losing or shutting down of data.
Native system also comprises a printer, connects with the Ethernet interface of CNC computer by network HUB; One GDS fault diagnosis system connects with the Ethernet interface of CNC computer.On fault diagnosis system, can system monitoring, work such as fault diagnosis, system maintenance prompting.
The grinding wheel spindle motor of roll grinder connects with the DC digital arrangements for speed regulation; The servomotor and the headstock spindle motor of each of roll grinder spool connect with the ac digital arrangements for speed regulation; The servomotor of each comprises: the motion of saddle (Z axle) is adjusted (U1 axle) servomotor with motion (X-axis) motor, axis of a curve (U axle) motor, rotating shaft (B axle) motor, gage beam motion (X1 axle) motor, the tailstock side centre frame of motor, mill frame.
The coolant lubricant emulsion control appliance of roll grinder as the sensor of limit switch, pressure switch, temperature switch, valve, connects with repeater.
The analog signal that the potentiometer of the emery wheel load cell of roll grinder and reaction grinding wheel diameter sends is by the Simulation with I/O module of lead input PLC programmable logic controller (PLC).
The Additional Services equipment of roll grinder as roughmeter, hardness tester, crack detection instrument, Service Phone, inserts serial line interface COM3, COM4, COM5, COM6, COM7, the COM8 of CNC computer again by the serial port connector of terminal unit.
Each axle sensor parts of roll grinder are by interface CNTA, the CNTB of the terminal unit of digital control computer system, CNTSTA1, CNTSTA2, the CNTSTA3 that CNTC inserts the corresponding multiple metering module of CNC computer respectively again.
Each stand-by motor of roll grinder then inserts the digital I/O module of PLC programmable logic controller (PLC) by accessory drive system as pump, adjusting device.
This roll grinder digital control system has friendly man-machine interface, does not need the operator to the grinding roll forming and cross range code and programme sentence by sentence, only need to the characteristic parameter of roll shape curve set and to technical process combination select and get final product.Have quantitative feeding of cycle and wheel grinding automatic compensation function, the function of online modification grinding process parameters and grinding process flow process, and grinding interrupt function flexibly.Have perfect system intelligent fault diagnosis function, can also have the ability of the real-time handling failure of classification simultaneously by the screen text prompting.After roll dressing is finished, can enter process of measurement automatically according to selecting.Except that roll forming is measured, go back the circularity and the diameter at breaker roll middle part and measure.
The present invention compared with prior art has the following advantages: owing to adopted hard disk, display redundancy, greatly reduce the fault time of digital control system, improve the operational reliability and the continuity of digital control system, ensured the high working (machining) efficiency and the high crudy of lathe.
Description of drawings
Fig. 1 is a roll grinder main body structure schematic diagram
Fig. 2 is this roll grinder digital control system configuration schematic diagram.
Fig. 3 is the connection diagram with the disc driver of redundant hard disk.
Fig. 4 is the composition schematic block diagram of digital control computer system.
Fig. 5 is the connection diagram between CNC computer and the terminal unit.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
Referring to Fig. 1 and Fig. 2, the mode that the PLC programmable logic controller (PLC) 17 of numerical control operating adopts SIEMENS S7-400 to combine with industrial control computer, " the PROFIBS interface " of PLC programmable logic controller (PLC) 17 connects with " the PROFIBS interface " of CNC computer 20; Digital control computer system 15 adds that by CNC computer 20 (industrial control computer) terminal unit 21 forms (CNC computer 20 configuration is as follows: the mainboard model is the Abit BE7-RAI of the support IDE-RAID function of Shengji); The ILC2000R numerical control software 22 and the multiple metering module 23 of the exploitation of ibso company are housed in 20 li in CNC computer; 17 li of PLC programmable logic controller (PLC)s communication module 24 and servo-drive system driving control program 25 are housed; DC digital arrangements for speed regulation 29 and PLC programmable logic controller (PLC) " " PROFIBS interface " connects; The grinding wheel spindle motor 11 of roll grinder connects with DC digital arrangements for speed regulation 29; Ac digital arrangements for speed regulation 30 connect with DC digital arrangements for speed regulation 29; Repeater 37 connects with ac digital arrangements for speed regulation 30; Accessory drive system 39 connects with " the digital I/O interface " of PLC programmable logic controller (PLC); Printer 33 connects with the Ethernet interface of CNC computer 20 by network HUB53; GDS fault diagnosis system 16 connects with the Ethernet interface 26 of CNC computer 20;
Referring to Fig. 3, redundant hard disk 47 is housed on the mainboard 43 of CNC computer 20, by cable 44 Primary Hard Drive 45 is connected with RAID IDE hard-disk interface 46, redundant hard disk 47 is connected with RAID IDE hard-disk interface 48 by cable 44 with master/slave connector with master/slave connector; CDROM CD-ROM drive 49 connects with IDE-2 interface 50 on the mainboard;
Referring to Fig. 4, basic display unit 51 is housed on master operating station 13, connect with the TS1 interface 55 of the terminal unit 21 of digital control computer system, connect with the VGA1 interface of CNC computer 20 by this interface again; A redundant display 52 also is housed on the master operating station 13, and redundant display connects with the TS2 interface 56 of the terminal unit 21 of digital control computer system 15, connects with VGA2 interface on CNC computer 20 mainboards by this interface again; PS interface 58 on the terminal unit 21 connects with power supply;
Referring to Fig. 1, Fig. 2 and Fig. 5, the grinding wheel spindle motor 11 of roll grinder connects with DC digital arrangements for speed regulation 29; The servomotor 31 and the headstock spindle motor 12 of each of roll grinder spool connect with ac digital arrangements for speed regulation 30; The servomotor of each comprises: the motion of saddle (Z axle) is adjusted (U1 axle) servomotor with motion (X-axis) motor, axis of a curve (U axle) motor, rotating shaft (B axle) motor, gage beam motion (X1 axle) motor, the tailstock side centre frame of motor, mill frame;
The coolant lubricant emulsion control appliance 36 of roll grinder as the sensor of limit switch, pressure switch, temperature switch, valve, connects with repeater 37;
The analog signal 42 that the potentiometer of the emery wheel load cell of roll grinder and reaction grinding wheel diameter sends is by the Simulation with I/O module 41 of lead input PLC programmable logic controller (PLC) 17;
The Additional Services equipment 34 of roll grinder, as roughmeter, hardness tester, crack detection instrument, Service Phone, insert serial line interface 35-COM3, COM4, COM5, COM6, COM7, the COM8 of CNC computer 20 again by the serial port connector 57 of terminal unit 21;
Each axle sensor parts 18 of roll grinder are by interface 54-CNTA, the CNTB of the terminal unit 21 of digital control computer system 15, CNTSTA1, CNTSTA2, the CNTSTA3 that CNTC inserts the corresponding multiple metering module 23 of CNC computer 20 respectively again;
Each stand-by motor 38 of roll grinder then passes through the digital I/O module 40 that accessory drive system 39 inserts PLC programmable logic controller (PLC)s 17 as pump, adjusting device.
Referring to Fig. 1, the body of the roll grinder that the present invention is suitable for is made up of saddle 1, mill frame 2, axis of a curve 3, rotating shaft 4, measurement axle 5, the headstock 6, tailstock 7, headstock side centre frame 8, tailstock side centre frame 9, is provided with grinding wheel spindle 10, grinding wheel spindle motor 11, headstock spindle motor 12 on body.Grinding wheel spindle 10 adopts the SIMOREG DC-MASTER6RA70 all-digital dc speed-regulating system 29 of SIEMENS and grinding wheel spindle motor 11 to drive.SIMOREG DC-MASTER is a full digital speed control device, and it is online that it receives three-phase alternating current, and can regulate the armature and the excitation of Direct Current Governor System.SIMOREG DC-MASTER uses open and PROFIBUS-DP field bus system standard, can be directly connected to CNC computer 20 and implement device to the device communication by the RS232 interface.Spindle drive systems is accepted the driving instruction from CNC computer 20, regulates the rotation of output drive signal driving main motor through speed and torque (power), accepts speed feedback simultaneously and implements speed closed loop control.It is also controlled in order to finish the various practical work state advertisement CNC computers 20 of main shaft by PLC programmable logic controller (PLC) 17 to every function of main shaft.
The motion (X-axis) of the motion of saddle (Z axle), mill frame, axis of a curve (U axle), rotating shaft (B axle), gage beam (X1 axle), tailstock side centre frame are adjusted SIMODRIVE611-U type AC servo 30 (feed servo system) and the AC servo motor 31 that (U1 axle) all adopts SIEMENS, and 6 of the headstocks (C axle) adopt headstock spindle motor 12 to drive.SIMODRIVE611U can receive analog signal or data signal is passed through Profibus bus 32, can carry out Position Control, speed control and torque control, cooperates the 1FT6 Series AC servo of SIEMENS, is one of desirable drive system solution.
The speed command that 30 acceptance of ac digital arrangements for speed regulation provide respectively each coordinates of motion axle from CNC computer 20, regulate output drive signal driving AC servo motor 31 and 12 rotations of headstock spindle motor through speed and electric current (torque), realize the motion of machine coordinates axle, accept feedback speed signal simultaneously and implement speed closed loop control.It is also communicated by letter with CNC computer 20 by programmable logic controller (PLC) (PLC) 17, circulates a notice of current duty and accepts the control of CNC computer 20.
Remote service links to each other by the usb 1 on the mainboard 43 of CNC computer 20 9 with Modem14, can carry out remote diagnosis and service by Modem14; Other additional network element all is the ETHERNET interface that inserts CNC computer 20 by network HUB53.
Claims (8)
1, have the roll grinder digital control system of redundancy feature, comprising:
One digital control computer system (15), this system is made up of CNC computer (20) and the terminal unit (21) that connects with it; Be provided with ILC2000R numerical control software (22) multiple metering module (23) in CNC computer (20) lining;
One master operating station (13) which is provided with basic display unit (51), connects with the TS1 interface (55) of the terminal unit (21) of digital control computer system, connects with the VGA1 interface of CNC computer (20) by this interface again;
One PLC programmable logic controller (PLC) (17), its " PROFIBS interface " connects with " the PROFIBS interface " of CNC computer (20); Be provided with communication module (24) and servo-drive system in PLC programmable logic controller (PLC) (17) lining and drive control program (25);
One DC digital arrangements for speed regulation (29), with the PLC programmable logic controller (PLC) " " PROFIBS interface " connects; The grinding wheel spindle motor (11) of roll grinder connects with DC digital arrangements for speed regulation (29);
One ac digital arrangements for speed regulation (30) connect with DC digital arrangements for speed regulation (29);
One repeater (37) connects with ac digital arrangements for speed regulation (30);
One accessory drive system (39) connects with " the digital I/O interface " of PLC programmable logic controller (PLC);
It is characterized in that:
A, on the mainboard (43) of CNC computer (20), be provided with redundant hard disk (47), by cable (44) Primary Hard Drive (45) is connected with RAID IDE hard-disk interface (46), redundant hard disk (47) is connected with RAID IDE hard-disk interface (48) by cable (44) with master/slave connector with master/slave connector; CDROM CD-ROM drive (49) connects with IDE-2 interface (50) on the mainboard;
B, master operating station (13) are provided with a redundant display (52), and redundant display connects with the TS2 interface (56) of the terminal unit (21) of digital control computer system (15), connect with VGA2 interface on CNC computer (20) mainboard by this interface again.
2, the roll grinder digital control system with redundancy feature according to claim 1 is characterized in that: also comprise a printer (33), connect with the Ethernet interface of CNC computer (20) by network HUB (53); One GDS fault diagnosis system (16) connects with the Ethernet interface (26) of CNC computer (20).
3, the roll grinder digital control system with redundancy feature according to claim 1 and 2 is characterized in that: the grinding wheel spindle motor (11) of roll grinder connects with DC digital arrangements for speed regulation (29); The servomotor (31) and the headstock spindle motor (12) of each of roll grinder spool connect with ac digital arrangements for speed regulation (30); The servomotor of each comprises: the motion of saddle (Z axle) is adjusted (U1 axle) servomotor with motion (X-axis) motor, axis of a curve (U axle) motor, rotating shaft (B axle) motor, gage beam motion (X1 axle) motor, the tailstock side centre frame of motor, mill frame.
4, the roll grinder digital control system with redundancy feature according to claim 1 and 2, it is characterized in that: the coolant lubricant emulsion control appliance (36) of roll grinder, as the sensor of limit switch, pressure switch, temperature switch, valve, connect with repeater (37).
5, the roll grinder digital control system with redundancy feature according to claim 1 and 2 is characterized in that: the analog signal (42) that the potentiometer of the emery wheel load cell of roll grinder and reaction grinding wheel diameter sends is by the Simulation with I/O module (41) of lead input PLC programmable logic controller (PLC) (17).
6, the roll grinder digital control system with redundancy feature according to claim 1 and 2, it is characterized in that: the Additional Services equipment (34) of roll grinder, as roughmeter, hardness tester, crack detection instrument, Service Phone, insert serial line interface (35) COM3, COM4, COM5, COM6, COM7, the COM8 of CNC computer (20) again by the serial port connector (57) of terminal unit (21).
7, the roll grinder digital control system with redundancy feature according to claim 1 and 2 is characterized in that: CNTSTA1, CNTSTA2, the CNTSTA3 of interface (54) CNTA of each axle sensor parts (18) of roll grinder by the terminal unit (21) of digital control computer system (15), corresponding multiple metering module (23) that CNTB, CNTC insert CNC computer (20) respectively again.
8, the roll grinder digital control system with redundancy feature according to claim 1 and 2, it is characterized in that: each stand-by motor (38) of roll grinder, then pass through the digital I/O module (40) that accessory drive system (39) inserts PLC Programmable Logic Controller (17) as pump, adjusting device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610054568 CN100999065A (en) | 2006-11-06 | 2006-11-06 | Roll grinder digital control system having redundancy function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610054568 CN100999065A (en) | 2006-11-06 | 2006-11-06 | Roll grinder digital control system having redundancy function |
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| CN100999065A true CN100999065A (en) | 2007-07-18 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101464679B (en) * | 2008-12-11 | 2010-12-08 | 天水星火机床有限责任公司 | Control method for common roll grinding machine |
| CN102114611A (en) * | 2010-12-21 | 2011-07-06 | 浙江工业大学 | Control system for double-side polisher based on half-fixing sharpener |
| CN102135765B (en) * | 2010-01-25 | 2013-01-02 | 咏升科技有限公司 | Numerical-control modularized expandable communication control unit of computer |
| CN103792883A (en) * | 2014-02-27 | 2014-05-14 | 北京理工大学 | Numerically-controlled machine tool control system with supportability redundant operation function |
| CN106141827A (en) * | 2016-08-30 | 2016-11-23 | 中冶南方工程技术有限公司 | Roll automatic grinding system |
| CN110366760A (en) * | 2016-12-30 | 2019-10-22 | 纽斯高动力有限责任公司 | Reactor protective system and method |
-
2006
- 2006-11-06 CN CN 200610054568 patent/CN100999065A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101464679B (en) * | 2008-12-11 | 2010-12-08 | 天水星火机床有限责任公司 | Control method for common roll grinding machine |
| CN102135765B (en) * | 2010-01-25 | 2013-01-02 | 咏升科技有限公司 | Numerical-control modularized expandable communication control unit of computer |
| CN102114611A (en) * | 2010-12-21 | 2011-07-06 | 浙江工业大学 | Control system for double-side polisher based on half-fixing sharpener |
| CN102114611B (en) * | 2010-12-21 | 2012-11-14 | 浙江工业大学 | Control system for double-side polisher based on half-fixing sharpener |
| CN103792883A (en) * | 2014-02-27 | 2014-05-14 | 北京理工大学 | Numerically-controlled machine tool control system with supportability redundant operation function |
| CN103792883B (en) * | 2014-02-27 | 2016-04-06 | 北京理工大学 | There is the Control System of NC Machine of protection redundant operation function |
| CN106141827A (en) * | 2016-08-30 | 2016-11-23 | 中冶南方工程技术有限公司 | Roll automatic grinding system |
| CN106141827B (en) * | 2016-08-30 | 2018-05-08 | 中冶南方工程技术有限公司 | Roll automatic grinding system |
| CN110366760A (en) * | 2016-12-30 | 2019-10-22 | 纽斯高动力有限责任公司 | Reactor protective system and method |
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