CN104985270A - Intelligent integration control cabinet for electric spark linear cutting machine tool - Google Patents
Intelligent integration control cabinet for electric spark linear cutting machine tool Download PDFInfo
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- CN104985270A CN104985270A CN201510444259.XA CN201510444259A CN104985270A CN 104985270 A CN104985270 A CN 104985270A CN 201510444259 A CN201510444259 A CN 201510444259A CN 104985270 A CN104985270 A CN 104985270A
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- control module
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- cutting machine
- electric spark
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/14—Electric circuits specially adapted therefor, e.g. power supply
- B23H7/20—Electric circuits specially adapted therefor, e.g. power supply for programme-control, e.g. adaptive
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- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention provides an intelligent integration control cabinet for an electric spark linear cutting machine tool. The intelligent integration control cabinet comprises a master control module, a man-machine interaction module, a driving mechanism and a discharging waveform sampling detecting module; the man-machine interaction module, the driving mechanism and the discharging waveform sampling detecting module are electrically connected with the master control module; the driving mechanism and the discharging waveform sampling detecting module are further connected with an executing mechanism on the machine tool electrically; the master control module comprises a central control unit, a high-frequency impulse control module, a first storage unit used for storing machining steps and auxiliary parameters and a second storage unit used for storing an expert database; the high-frequency impulse control module, the first storage unit and the second storage unit are electrically connected with the central control unit; and the high-frequency impulse control module is further connected with the executing mechanism on the machine tool electrically. Through the integrated design, an original driving mechanism controller which is independently designed and used and a high-frequency impulse power source controller are fused into a complete system, energy output (a high-frequency impulse power cabinet of original machine tool equipment) and motion execution (a machine tool motor controller) of the equipment are managed through one chip processor, and sufficient coordinated operation of the energy output and the motion execution is achieved.
Description
Technical field
The present invention relates to field of intelligent control, particularly relate to a kind of intelligent integral switch board for electric spark linear cutting machine.
Background technology
WEDM (Wire Electrical Discharge Machining is called for short WEDM), belong to electric machining category, when studying switch contact by the phenomenon of spark discharge corrosion and damage and reason by former Soviet Union La Zhalianke Mr. and Mrs, find that the TRANSIENT HIGH TEMPERATURE of electric spark can make the metal molten of local, oxidation and being corroded, thus started and invented electric discharge machining method.Wire cutting machine is also invented in the former Soviet Union in nineteen sixty, China be first for industrial country.
Wire electric spark line cutter is the electric spark linear cutting machine kind of China's original creation, with import like product---compared with slow wire feeding electric spark linear cutting machine, wire electric spark line cutter is cheap because of its equipment itself and use cost, is widely used.Electric spark linear cutting machine has two large core electron equipment---controller and high frequency pulse power supplies, and controller is used for controlling the action of lathe driving mechanism and executing agency, and high frequency pulse power supply provides Energy transmission for Wire-cut Electrical Discharge Machining.Existing most of design is all by both separately independent design, can not form a complete system, which results in both can not fully coordinated operation to reach optimal process effect.And existing design does not arrange expert system, machine operation personnel need rule of thumb to set high-frequency impulse parameter and controller machined parameters, therefore the use threshold that result in lathe is very high, needs veteran operating personnel just can reach good processing effect.The simultaneously existing design method that generally adopts voltage-frequency change when gathering work pieces process status information, namely gathers the discharge voltage of machining state and selects corresponding process velocity realization to the control of lathe driving mechanism and executing agency with this.This scheme is single owing to gathering machining state parameter, and operating personnel can not fully understand work pieces process state, can not make corresponding adjustment in time, are therefore easy to cause and process unsuccessfully, cause processing speed to reduce, and cost raises.
Summary of the invention
The technical problem to be solved in the present invention is, provide a kind of without the need to rich experience deposit, common operating personnel just can implement well processed and the intelligent integral switch board for electric spark linear cutting machine that can effectively cut down finished cost.
For achieving the above object, the present invention adopts following technical scheme: a kind of intelligent integral switch board for electric spark linear cutting machine, comprise main control module, human-computer interaction module, driving mechanism and discharge waveform sample detecting module, human-computer interaction module, driving mechanism and discharge waveform sample detecting module are electrically connected with main control module, driving mechanism and discharge waveform sample detecting module are also electrically connected with the executing agency on lathe, main control module comprises central controller, high-frequency impulse control module, for storing the first memory cell of procedure of processing and auxiliary parameter and the second memory cell for storing expert database, high-frequency impulse control module, first memory cell and the second memory cell are electrically connected with central controller, high-frequency impulse control module is also electrically connected with the executing agency on lathe.
The invention has the beneficial effects as follows:
1. the integrated design of Intelligent control cabinet is fused into a complete system the driving mechanisms control device of original independent design and use and high-frequency electrical pulses source controller, use Energy transmission (i.e. the high frequency pulse power supply cabinet of original machine tool) and the action executing (i.e. machine motor controller) of same core assembly sheet processor management equipment, make both fully coordinated operations.
2. expert database memory cell is set, by the processing experience of senior engineer, the relevant parameters of namely corresponding with various processing tasks high-frequency impulse, as (i.e. dutycycle), Current Voltage between pulsewidth, arteries and veins, and corresponding machining state etc. is compiled data mode and is stored in the second memory cell of main control unit, form expert database, coordinate optimal tracking control parameter, make the output of machining energy and the action of executing agency reach perfect matching coordinative.
3. the setting of expert database memory cell, make the operating personnel of machine tool without the need to being familiar with and understanding spark machined principle, the parameter configuration of high frequency pulse power supply and use, and the tracking of controller regulates, and just can complete Wire-cut Electrical Discharge Machining, thus reduce cost of labor.
As preferably, central controller and high-frequency impulse control module integratedization of main control module design.The multiplex pulse ripple that high-frequency impulse required in Wire-cut Electrical Discharge Machining process is produced by high-frequency impulse control module combines on request, additional multichannel electronic controllable high-power high speed switch tube and high performance switch power supply, can realize processing impulse wave required arbitrarily.And high-frequency impulse control module is directly controlled by the machining state parameter information of central controller according to discharge waveform sample detecting module feedback, realizes real intellectuality.
As preferably, central controller adopts the microcontroller chip being integrated with PWM controller.
As preferably, discharge waveform sample detecting module comprises waveform sampling circuit and the adjustable plurality of voltages comparator bank of reference voltage.Waveform sampling circuit gathers the discharge waveform of lathe machining state, then the adjustable plurality of voltages comparator bank of reference voltage is passed through, obtain the parameters such as pulsewidth, dutycycle, open-circuit voltage, discharge voltage, short-circuit voltage, parameters obtained sends to central controller, adjusts the Energy transmission of high frequency pulse power supply and the speed of service of driving mechanism by central controller according to these state parameters.
As preferably, human-computer interaction module comprises the Keysheet module for directly being inputted by instruction code, for the data message in other peripheral storage devices being uploaded to the Multifunctional input/output interface of main control unit, and for showing the display apparatus module of various data message and machining state.Operator can directly from keyboard manual input 3B machining code, also Multifunctional input/output interface can be passed through, imported into the 3B form machining code of having programmed in advance by host computer, or the figure code of required processing is sent in main control module instruction area by the direct various modes such as the machining code of assigned address of reading in from USB flash disk.
As preferably, driving mechanism adopts without hindrance constant current drive pattern, utilization rate of electrical can be made to be enhanced about more than once, greatly reduce the power consumption of whole equipment, thus using electricity wisely cost.
As preferably, between main control module and executing agency, be also provided with high-power switch tube and Switching Power Supply.
As preferably, between driving mechanism and executing agency, be provided with Switching Power Supply.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is main control module structural representation of the present invention;
Fig. 3 is human-computer interaction module structural representation of the present invention;
Fig. 4 is discharge waveform sample detecting modular structure schematic diagram of the present invention;
Fig. 5 is sample waveform schematic diagram of the present invention;
Shown in figure: 1, main control module; 2, human-computer interaction module; 3, driving mechanism; 4, discharge waveform sample detecting module; 5, executing agency; 11, central controller; 12, the first memory cell; 13, the second memory cell; 14, high-frequency impulse control module; 21, display module; 22, Keysheet module; 23, Multifunctional input/output interface; 24, the peripheral hardware such as host computer or USB flash disk; 41, discharge waveform sample circuit; 42, the plurality of voltages comparator bank that reference voltage is adjustable.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the present invention are described:
The invention provides a kind of intelligent integral switch board for electric spark linear cutting machine, as Fig. 1, shown in Fig. 2, comprise main control module 1, human-computer interaction module 2, driving mechanism 3 and discharge waveform sample detecting module 4, human-computer interaction module 2, driving mechanism 3 and discharge waveform sample detecting module 4 are electrically connected with main control module 1, driving mechanism 3 and discharge waveform sample detecting module 4 are also electrically connected with the executing agency 5 on lathe, main control module 1 comprises central controller 11, high-frequency impulse control module 14, first memory cell 12 and the second memory cell 13, high-frequency impulse control module 14, first memory cell 12 and the second memory cell 13 are electrically connected with central controller 11 respectively, high-frequency impulse control module 14 is also electrically connected with the executing agency 5 of lathe.Central controller 11 also controls the action of driving mechanism 3 respectively and receives the information of discharge waveform sample detecting module 4 transmission.
The integrated design of Intelligent control cabinet is fused into a complete system the lathe driving mechanisms control device of original independent design and use and high-frequency electrical pulses source controller, use Energy transmission (i.e. the high frequency pulse power supply cabinet of original machine tool) and the action executing (i.e. machine motor controller) of same core assembly sheet processor management equipment, make both fully coordinated operations.Second memory cell 13 is set, by the processing experience of senior engineer, the relevant parameters of namely corresponding with various processing tasks high-frequency impulse, as (i.e. dutycycle), Current Voltage between pulsewidth, arteries and veins, and corresponding machining state etc. is compiled data mode and is stored in the second memory cell of main control unit, form expert database, coordinate optimal tracking control parameter, make the output of machining energy and the action of executing agency reach perfect matching coordinative.The operating personnel of machine tool are without the need to being familiar with and understanding spark machined principle, the parameter configuration of high frequency pulse power supply and use, and the tracking of controller regulates, also without the need to senior processing experience, just Wire-cut Electrical Discharge Machining can be completed, greatly reduce the use threshold of equipment, thus reduce cost of labor.
Human-computer interaction module comprises the Keysheet module 22 for directly being inputted by instruction code, for the data message in other peripheral storage devices being uploaded to the Multifunctional input/output interface 23 of main control unit, and for showing the display apparatus module 21 of various data message and machining state, as shown in Figure 3.Operator can directly by Keysheet module 22 manual input 3B machining code, also Multifunctional input/output interface 23 can be passed through, imported into the 3B form machining code of having programmed in advance by host computer, or the figure code of required processing is sent in the first memory cell 12 of main control module 1 by the direct various modes such as the machining code of assigned address of reading in from USB flash disk.
Central controller 11 and high-frequency impulse control module 14 Integration Design of main control module 1.The multiplex pulse ripple that high-frequency impulse required in Wire-cut Electrical Discharge Machining process is produced by high-frequency impulse control module 14 combines on request, additional multichannel electronic controllable high-power high speed switch tube and high performance switch power supply, can realize processing impulse wave required arbitrarily.And the machining state parameter information that high-frequency impulse control module 14 is fed back according to discharge waveform sample detecting module 4 by central controller 11 directly controls, and realizes real intellectuality.
Discharge waveform sample detecting module 4 comprises waveform sampling circuit 41 and the adjustable plurality of voltages comparator bank 42 of reference voltage, as shown in Figure 4.Waveform sampling circuit 41 gathers the discharge waveform of lathe machining state, then the adjustable plurality of voltages comparator bank 42 of reference voltage is passed through, obtain the parameters such as pulsewidth, dutycycle, open-circuit voltage, discharge voltage, short-circuit voltage, parameters obtained sends to central controller 11, adjusts the Energy transmission of high frequency pulse power supply and the speed of service of driving mechanism by central controller 11 according to these state parameters.
Shown in Fig. 5 is the discharge waveform that sample detecting module 4 detects, wherein td is open-circuit condition holding time, and te is normal operating conditions holding time, and ts is short-circuit condition holding time, and ue is normal operating conditions discharge voltage, and us is short-circuit condition discharge voltage.
Driving mechanism 3 adopts without hindrance constant current stepper motor, utilization rate of electrical can be made to be enhanced about more than once, greatly reduce the power consumption of whole equipment, thus using electricity wisely cost.High-power switch tube and Switching Power Supply is also provided with between main control module 1 and executing agency 5.
Before lathe work, operator is by Keysheet module manual input 3B machining code, also Multifunctional input/output interface can be passed through, imported into the 3B form machining code of having programmed in advance by host computer, or the figure code of required processing is sent in the first memory cell 12 of main control module by the direct various modes such as the machining code of assigned address of reading in from USB flash disk.
Start to add and selected to be kept at the machining code in the first memory cell 12 by operator man-hour, input workpiece material to be processed simultaneously, the machined parameters that thickness and required working (machining) efficiency etc. are necessary, then central controller 11 is chosen according to the machined parameters of input and is stored in high-frequency impulse parameter corresponding with it in the expert database of the second memory cell 13, control high-frequency impulse control module 14 and export required optimum pulse ripple, by high-power switch tube gauge tap power supply, required processing electric current voltage pulse ripple is loaded into the two ends of workpiece and molybdenum filament, workpiece is made to be discharged vaporization cutting.
Discharge pulse waveform between workpiece and molybdenum filament is sampled by waveform sampling circuit 41, filtering, shaping, discharge waveform parameter is gathered again via the plurality of voltages comparator bank 42 that reference voltage is adjustable, as pulsewidth, dutycycle, open-circuit voltage, discharge voltage, short-circuit voltage etc., after central controller 11 receives the discharge waveform parameter of collection, the data corresponding with expert database are compared, select best stepper motor (or servomotor) execution speed curve, drive workpiece according to the speed of specifying and path motion by without hindrance constant current driving stepper motor platen.Thus reach best processing fineness, working (machining) efficiency and processed filament consumption etc.
The part do not set forth in description is prior art or common practise.The present embodiment only for illustration of this invention, and is not used in and limits the scope of the invention, and the amendment such as the equivalent replacement that those skilled in the art make for the present invention is all thought to fall in this invention claims institute protection domain.
Claims (8)
1. the intelligent integral switch board for electric spark linear cutting machine, comprise main control module (1), human-computer interaction module (2), driving mechanism (3) and discharge waveform sample detecting module (4), described human-computer interaction module (2), driving mechanism (3) and discharge waveform sample detecting module (4) are electrically connected with main control module (1), described driving mechanism (3) and discharge waveform sample detecting module (4) are also electrically connected with the executing agency (5) on lathe, it is characterized in that: described main control module (1) comprises central controller (11), high-frequency impulse control module (14), for storing first memory cell (12) of procedure of processing and auxiliary parameter and the second memory cell (13) for storing expert database, described high-frequency impulse control module (14), first memory cell (12) and the second memory cell (13) are electrically connected with central controller (11) respectively, described high-frequency impulse control module (14) is also electrically connected with the executing agency (5) on lathe.
2. a kind of intelligent integral switch board for electric spark linear cutting machine according to claim 1, is characterized in that: central controller (11) and high-frequency impulse control module (14) Integration Design of described main control module (1).
3. a kind of intelligent integral switch board for electric spark linear cutting machine according to claim 2, is characterized in that: described central controller (11) adopts the microcontroller chip being integrated with PWM controller.
4. a kind of intelligent integral switch board for electric spark linear cutting machine according to claim 1, is characterized in that: described discharge waveform sample detecting module (4) comprises waveform sampling circuit (41) and the adjustable plurality of voltages comparator bank (42) of reference voltage.
5. a kind of intelligent integral switch board for electric spark linear cutting machine according to claim 1, it is characterized in that: described human-computer interaction module (2) comprises the Keysheet module (22) for directly being inputted by instruction code, for the data message in other peripheral storage devices being uploaded to the Multifunctional input/output interface (23) of main control module, and the display apparatus module (21) for showing various data message and machining state.
6. a kind of intelligent integral switch board for electric spark linear cutting machine according to claim 1, is characterized in that: described driving mechanism (3) adopts without hindrance constant current drive pattern.
7. a kind of intelligent integral switch board for electric spark linear cutting machine according to claim 1 or 3, is characterized in that: be also provided with high-power switch tube and Switching Power Supply between described main control module (1) and executing agency (5).
8. a kind of intelligent integral switch board for electric spark linear cutting machine according to claim 1 or 6, is characterized in that: be also provided with Switching Power Supply between described driving mechanism (3) and executing agency (5).
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| CN201510444259.XA CN104985270B (en) | 2015-07-27 | 2015-07-27 | A kind of intelligent integral switch board for electric spark linear cutting machine |
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| CN201510444259.XA CN104985270B (en) | 2015-07-27 | 2015-07-27 | A kind of intelligent integral switch board for electric spark linear cutting machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106238840A (en) * | 2016-08-31 | 2016-12-21 | 泰州龙芯微电子技术有限公司 | Line cutting power supply control method and system thereof |
| CN107617799A (en) * | 2016-07-15 | 2018-01-23 | 宁波市江北数控设备厂 | A kind of wire cutting machine tool control system |
| CN108941812A (en) * | 2018-09-12 | 2018-12-07 | 南京航空航天大学无锡研究院 | Device is arranged in a kind of parameter of to-and-fro thread feed electric spark wire-electrode cutting machine automatically |
| CN116859717A (en) * | 2023-04-17 | 2023-10-10 | 浙江万能弹簧机械有限公司 | Intelligent self-adaptive sampling control system and method thereof |
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| CN116859717B (en) * | 2023-04-17 | 2024-03-08 | 浙江万能弹簧机械有限公司 | Intelligent self-adaptive sampling control system and method thereof |
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