CN104308719A - Control system of grinding miller - Google Patents

Control system of grinding miller Download PDF

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Publication number
CN104308719A
CN104308719A CN201410516887.XA CN201410516887A CN104308719A CN 104308719 A CN104308719 A CN 104308719A CN 201410516887 A CN201410516887 A CN 201410516887A CN 104308719 A CN104308719 A CN 104308719A
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CN
China
Prior art keywords
module
processing unit
control system
central processing
output
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.)
Withdrawn
Application number
CN201410516887.XA
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Chinese (zh)
Inventor
陈凌
王琰
任琪
程晓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KPS Wuxi Machinery Technology Co Ltd
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KPS Wuxi Machinery Technology Co Ltd
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Publication date
Application filed by KPS Wuxi Machinery Technology Co Ltd filed Critical KPS Wuxi Machinery Technology Co Ltd
Priority to CN201410516887.XA priority Critical patent/CN104308719A/en
Publication of CN104308719A publication Critical patent/CN104308719A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00Lapping machines or devices; Accessories
    • B24B37/005Control means for lapping machines or devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Abstract

The invention discloses a control system of a grinding miller. The control system of the grinding miller comprises an actuating mechanism, a central processing unit, an acquisition module, an AD/DA (analog-digital/digital-analog) module, an amplification module, a storage module, a display module, a CPLD (complex programmable logic device) module, an isolation module and an AB phase pulse selection module, wherein the CPLD module is used for performing digital information interaction with the central processing unit, and meanwhile, AB phase pulse selection information and multiple actuating mechanism control signals are output; the running status information of the actuating mechanism and digital signals output by the CPLD module are received by the central processing unit, and after the digital signals are processed, the corresponding actuating mechanism control signals are output, and meanwhile, the status information of the actuating mechanism is fed back to the display module for display. By adopting the CPLD module as a digital processing module, the control system has the characteristic of high integrity; the overall performance of a controller of the grinding miller can be improved; the reliability is enhanced; meanwhile, the area of a PCB (printed circuit board) can be reduced to bring the advantage that the cost is reduced.

Description

A kind of control system of grinder
Technical field
The invention belongs to electronic apparatus application field, be specifically related to a kind of control system of grinder.
Background technology
Grinder adopts continuous speed regulation system to control, and can adjust the grinding rate being applicable to the various parts of grinding easily.Adopt electricity-gas proportioning valve closed loop feedback Stress control, independently can regulate and control pressure apparatus.Upper dish arranges to delay and falls function, effectively prevents the fragmentation of crisp fritter workpiece.By a time relay and a grinding counter, can accurately arrange and control milling time and the grinding number of turns by processing request.Adjustable pressure pattern during work, will autostop alarm when reaching time or the Lap Time of grinding setting, and realize semi-automation operation.
Grinder main frame adopts buncher to drive, and configures high-power deceleration system, and soft start, soft stop are stopped, smooth running.By upper and lower abrasive disk, sun gear, erratic star wheel add form four direction man-hour, grinding campaign that speed is coordinated mutually, reach the Efficient Operation of upper and lower surface simultaneous grinding.Lower abrasive disk liftable, facilitates work-handling.Pneumatic sun gear deviator, accurately controls workpiece two sides grinding precision and speed.Be furnished with at random and revise wheel, for revising the Parallel errors of upper and lower abrasive disk.
The control more complicated of grinder, the digital quantity of input and output is many, therefore, its logic controlled just must be clear, therefore just higher to the requirement of the central processing unit of controller, if hardware configuration does not reach requirement, many unpredictable problems can be there is in running, impact is produced, and at present, in order to reach high hardware configuration, device fabrication producer has to select high-end control chip, but, the cost of this high-end control chip is high, and function is many, for grinder, many functions with less than, waste resource.
Therefore, research and develop and a kind ofly can meet equipment to run the control system that economizes on resources again of needs be current grinder industry problem demanding prompt solution.
Summary of the invention
Technical problem to be solved by this invention is: the control system providing a kind of grinder, and solve grinder control system cost performance in prior art low, digital quantity does not allow manageable problem more.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
A kind of control system of grinder, comprise executing agency, central processing unit, acquisition module, AD/DA module, amplification module, memory module, display module, the input of described acquisition module is connected with executing agency, output is connected with central processing unit, the input of described AD/DA module is connected with central processing unit, output is connected with the input of amplification module, described memory module comprises program storage, data storage, wherein program storage is used for the system runs program of storage backup, the data message that data storage runs for storing executing agency, described display module is for showing the operating instruction information of executing agency, status information, also comprise CPLD module, isolation module, AB phase pulse choice module, wherein, the input of CPLD is connected with central processing unit, output respectively with isolation module, AB phase pulse choice module, data storage connects, CPLD and central processing unit carry out the mutual of digital information, export the control signal of a road AB phase pulse choice information and multichannel executing agency simultaneously, the running state information of described acquisition module Real-time Collection executing agency, and be sent to central processing unit, central processing unit receives the data signal of executing agency's running state information and CPLD output, carry out processing the corresponding actuating mechanism controls signal of rear output, the status information feedback of executing agency is shown to display module simultaneously.
Described acquisition module comprises velocity sensor, pressure sensor, pulling force sensor, temperature sensor, described velocity sensor is for detecting each motor speed of service of grinder, described pressure sensor is for detecting the pressure of top lap to workpiece of grinder, described pulling force sensor is for detecting the pulling force of cylinder to upper grinding plate in grinding machine of grinder, and described temperature sensor is for detecting the temperature of each motor and electric control system.
Described isolation module is divided into input signal isolated part and output signal isolated part, and wherein input signal isolated part adopts light-coupled isolation, and output signal isolated part adopts optical relay isolation.
Described CPLD module comprises 32 digital input ports and 32 digital output ports, and wherein, each digital input port all connects an optocoupler and isolates, and each output port all connects an optical relay and isolates.
Described program storage adopts ferroelectric memory, and described data storage adopts RAM memory.
Described program storage adopts ferroelectric FM25256, and described data storage adopts RAM62256.
Described central processing unit is MSC1210Y5, and the D/A converter in described AD/DA module adopts DAC8532.
Compared with prior art, the present invention has following beneficial effect:
1, adopt CPLD as digital signal processing module, because CPLD is the logic element that a kind of conformability is higher, there is the feature of high conformability, therefore the overall performance of grinder controller can be improved, increase reliability, PCB surface amasss the advantage that can reduce and bring cost to decline simultaneously.
2, increase AB phase pulse choice module, make this control system selectively operating state, for different control objectives, do not need to reprogram, can directly select, add the utilization rate of system, improve convenience.
3, adopt different isolation original papers to isolate data signal, avoid outside clutter to enter internal system, and the operation of the inner noise jamming executing agency produced.
4, ferroelectric memory has large erasable number of times, and power down does not lose program, ensure that the reliability of system cloud gray model, improves the stability of system.
Accompanying drawing explanation
Fig. 1 is system block diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, structure of the present invention and the course of work are described further.
As shown in Figure 1, a kind of control system of grinder, comprise executing agency, central processing unit, acquisition module, AD/DA module, amplification module, memory module, display module, the input of described acquisition module is connected with executing agency, output is connected with central processing unit, the input of described AD/DA module is connected with central processing unit, output is connected with the input of amplification module, described memory module comprises program storage, data storage, wherein program storage is used for the system runs program of storage backup, the data message that data storage runs for storing executing agency, described display module is for showing the operating instruction information of executing agency, status information, also comprise CPLD module, isolation module, AB phase pulse choice module, wherein, the input of CPLD is connected with central processing unit, output respectively with isolation module, AB phase pulse choice module, data storage connects, CPLD and central processing unit carry out the mutual of digital information, export the control signal of a road AB phase pulse choice information and multichannel executing agency simultaneously, the running state information of described acquisition module Real-time Collection executing agency, and be sent to central processing unit, central processing unit receives the data signal of executing agency's running state information and CPLD output, carry out processing the corresponding actuating mechanism controls signal of rear output, the status information feedback of executing agency is shown to display module simultaneously.
Adopt CPLD as digital signal processing module, because CPLD is the logic element that a kind of conformability is higher, there is the feature of high conformability, therefore the overall performance of grinder controller can be improved, increase reliability, PCB surface amasss the advantage that can reduce and bring cost to decline simultaneously.
Increase AB phase pulse choice module, make this control system selectively operating state, for different control objectives, do not need to reprogram, can directly select, add the utilization rate of system, improve convenience.
Described acquisition module comprises velocity sensor, pressure sensor, pulling force sensor, temperature sensor, described velocity sensor is for detecting each motor speed of service of grinder, described pressure sensor is for detecting the pressure of top lap to workpiece of grinder, described pulling force sensor is for detecting the pulling force of cylinder to upper grinding plate in grinding machine of grinder, and described temperature sensor is for detecting the temperature of each motor and electric control system.
Described isolation module is divided into input signal isolated part and output signal isolated part, and wherein input signal isolated part adopts light-coupled isolation, and output signal isolated part adopts optical relay isolation.
Adopt different isolation original papers to isolate data signal, avoid outside clutter to enter internal system, and the operation of the inner noise jamming executing agency produced.
Described CPLD module comprises 32 digital input ports and 32 digital output ports, and wherein, each digital input port all connects an optocoupler and isolates, and each output port all connects an optical relay and isolates.
Be take light as the device that medium carrys out transmission of electric signals, usually photophore (infrared light-emitting diode LED) and light-receiving device (photosensitive semiconductor pipe) be encapsulated in same shell.[1] when input power up signal, photophore emits beam, and light-receiving device just produces photoelectric current after accepting light, flows out from output, thus achieves " electricity-light-electricity " conversion.Be that medium is coupled to the photoelectrical coupler of output input end signal with light, due to it have that volume is little, the life-span is long, contactless, antijamming capability is strong, and export insulation between input, the advantages such as one-way transmission signal, digital circuit obtain and applies widely.
Optical relay is with or without mechanical contact, and the long-life, low action current, high-isolating, switches at a high speed, low current leakage, alternating current-direct current dual-purpose. be widely used in measuring instrument, communication apparatus, office automation.Volume is less, is applicable to surface mounted, highly reliable, the communication relay demand that interference free performance is excellent.
Described program storage adopts ferroelectric memory, and described data storage adopts RAM memory.
Ferroelectric memory has large erasable number of times, and power down does not lose program, ensure that the reliability of system cloud gray model, improves the stability of system.Ferroelectric memory is a kind of non-volatile memory of special process, adopt plumbous zirconium titanium (PZT) material of Prof. Du Yucang to form memory crystalline solid, just can reach with changing the voltage of floating grid memory unit the action that electric charge adds or wipe, thus determine memory cell be " 1 " or the state of " 0 ".But floating gate technology need use charge pump to produce high voltage, force electric current to be reached the function of erasing by gate oxide, therefore need the erasable delay of 5-10ms.High write power and long-term write operation can destroy floating grid memory unit, thus cause limited erasable storage number of times (such as: flash memory about 100,000 times, EEPROM then about 100 ten thousand times).
Described program storage adopts ferroelectric FM25256, and described data storage adopts RAM62256.
Described central processing unit is MSC1210Y5, and the D/A converter in described AD/DA module adopts DAC8532.

Claims (7)

1. the control system of a grinder, comprise executing agency, central processing unit, acquisition module, AD/DA module, amplification module, memory module, display module, the input of described acquisition module is connected with executing agency, output is connected with central processing unit, the input of described AD/DA module is connected with central processing unit, output is connected with the input of amplification module, described memory module comprises program storage, data storage, wherein program storage is used for the system runs program of storage backup, the data message that data storage runs for storing executing agency, described display module is for showing the operating instruction information of executing agency, status information, it is characterized in that: also comprise CPLD module, isolation module, AB phase pulse choice module, wherein, the input of CPLD is connected with central processing unit, output respectively with isolation module, AB phase pulse choice module, data storage connects, CPLD and central processing unit carry out the mutual of digital information, export the control signal of a road AB phase pulse choice information and multichannel executing agency simultaneously, the running state information of described acquisition module Real-time Collection executing agency, and be sent to central processing unit, central processing unit receives the data signal of executing agency's running state information and CPLD output, carry out processing the corresponding actuating mechanism controls signal of rear output, the status information feedback of executing agency is shown to display module simultaneously.
2. the control system of grinder according to claim 1, it is characterized in that: described acquisition module comprises velocity sensor, pressure sensor, pulling force sensor, temperature sensor, described velocity sensor is for detecting each motor speed of service of grinder, described pressure sensor is for detecting the pressure of top lap to workpiece of grinder, described pulling force sensor is for detecting the pulling force of cylinder to upper grinding plate in grinding machine of grinder, and described temperature sensor is for detecting the temperature of each motor and electric control system.
3. the control system of grinder according to claim 1, it is characterized in that: described isolation module is divided into input signal isolated part and output signal isolated part, wherein input signal isolated part adopts light-coupled isolation, and output signal isolated part adopts optical relay isolation.
4. the control system of grinder according to claim 3, it is characterized in that: described CPLD module comprises 32 digital input ports and 32 digital output ports, wherein, each digital input port all connects an optocoupler and isolates, and each output port all connects an optical relay and isolates.
5. the control system of grinder according to claim 1, is characterized in that: described program storage adopts ferroelectric memory, and described data storage adopts RAM memory.
6. the control system of grinder according to claim 5, is characterized in that: described program storage adopts ferroelectric FM25256, and described data storage adopts RAM62256.
7. the control system of grinder according to claim 1, is characterized in that: described central processing unit is MSC1210Y5, and the D/A converter in described AD/DA module adopts DAC8532.
CN201410516887.XA 2014-09-30 2014-09-30 Control system of grinding miller Withdrawn CN104308719A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104858770A (en) * 2015-05-15 2015-08-26 苏州德锐朗智能科技有限公司 Controller of plane lapping machine
CN107877355A (en) * 2017-12-19 2018-04-06 浙江大学台州研究院 A kind of highly reliable grinder closes down control device and its method
CN108126824A (en) * 2018-01-26 2018-06-08 中国科学院合肥物质科学研究院 A kind of soil automatic grinding apparatus control system and method
WO2019000159A1 (en) * 2017-06-26 2019-01-03 周继霞 Polisher, and polisher system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6080042A (en) * 1997-10-31 2000-06-27 Virginia Semiconductor, Inc. Flatness and throughput of single side polishing of wafers
DE10060697B4 (en) * 2000-12-07 2005-10-06 Siltronic Ag Double-sided polishing method with reduced scratch rate and apparatus for carrying out the method
CN101049677A (en) * 2007-05-09 2007-10-10 浙江工业大学 Control system of accurate doublefaced polisher
CN101596693A (en) * 2009-07-10 2009-12-09 兰州瑞德实业集团有限公司 Numerically-controlled precise grinding polisher
CN102490110A (en) * 2011-12-02 2012-06-13 浙江理工大学 Control device for crystal grinding machine
CN103252706A (en) * 2013-01-15 2013-08-21 上海大学 Control system and method for high-precision needle valve orifice grinding

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6080042A (en) * 1997-10-31 2000-06-27 Virginia Semiconductor, Inc. Flatness and throughput of single side polishing of wafers
DE10060697B4 (en) * 2000-12-07 2005-10-06 Siltronic Ag Double-sided polishing method with reduced scratch rate and apparatus for carrying out the method
CN101049677A (en) * 2007-05-09 2007-10-10 浙江工业大学 Control system of accurate doublefaced polisher
CN101596693A (en) * 2009-07-10 2009-12-09 兰州瑞德实业集团有限公司 Numerically-controlled precise grinding polisher
CN102490110A (en) * 2011-12-02 2012-06-13 浙江理工大学 Control device for crystal grinding machine
CN103252706A (en) * 2013-01-15 2013-08-21 上海大学 Control system and method for high-precision needle valve orifice grinding

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104858770A (en) * 2015-05-15 2015-08-26 苏州德锐朗智能科技有限公司 Controller of plane lapping machine
WO2019000159A1 (en) * 2017-06-26 2019-01-03 周继霞 Polisher, and polisher system
CN107877355A (en) * 2017-12-19 2018-04-06 浙江大学台州研究院 A kind of highly reliable grinder closes down control device and its method
CN107877355B (en) * 2017-12-19 2023-08-11 浙江大学台州研究院 High-reliability grinding machine shutdown control device and method thereof
CN108126824A (en) * 2018-01-26 2018-06-08 中国科学院合肥物质科学研究院 A kind of soil automatic grinding apparatus control system and method

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Application publication date: 20150128