CN2243361Y - Electric controller for high speed wire cutter - Google Patents
Electric controller for high speed wire cutter Download PDFInfo
- Publication number
- CN2243361Y CN2243361Y CN 95239253 CN95239253U CN2243361Y CN 2243361 Y CN2243361 Y CN 2243361Y CN 95239253 CN95239253 CN 95239253 CN 95239253 U CN95239253 U CN 95239253U CN 2243361 Y CN2243361 Y CN 2243361Y
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- CN
- China
- Prior art keywords
- circuit
- optocoupler
- control
- gal
- machine tool
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The utility model relates to an electric controller for high speed wire cutters. The self-press-button station or the computer of the cutter is used to control a high frequency power supply, a wire conveying motor, a liquid cooling pump, etc. The utility model is characterized in that the interface of the press-button station or the computer of the cutter is connected with an optocoupler; the output control signal of the optocoupler is connected with the logic control circuit of an integrated circuit; the output also passes through the optocoupler and a drive circuit and is connected with a thyristor controller; the thyristor controller controls the work and the brake of the wire conveying motor as well as the open and the close of the liquid cooling pump; the other output control signal of the optocoupler is directly connected with the on-and-off switch of the high frequency power supply.
Description
The utility model relates to the wire cutting machine tool electric apparatus control apparatus.
The high speed travelling wire wire cutting machine tool is a kind of wire cutting machine tool of China's original creation.This lathe the line is busy at home more than 95% of the total owning amount of cutting off machine accounts for more than 99% of output in domestic, and a large amount of outlets is arranged.This lathe is not produced abroad, only produces the low-speed wire cutting wire cutting machine tool abroad.
Because the difference of processing mechanism, the high speed travelling wire wire cutting machine tool is all different fully at aspects such as arithmetical organ, working solution feed mechanisms with the low-speed wire cutting wire cutting machine tool, so its Machine Tool Electric Appliance control system is also different fully.
The Machine Tool Electric Appliance of existing homemade high speed travelling wire wire cutting machine tool, its logical action all are to finish by A.C. contactor and relay, because the every 10-20 of fortune silk system requirements second oppositely once, the frequent movement of relay and A.C. contactor makes their life-spans not long.
Since the various logic action request more complicated of lathe, so the quantity of the relay of Machine Tool Electric Appliance needs and A.C. contactor is also many, cost is than higher, and according to the degree of perfection difference of various protections actions, cost is greatly about about 800-1500 unit.
In addition, the existing machine tool electrical apparatus control system can only can not be connected with computer by the control of lathe push-button station.Wire cutting machine tool is a kind of Digit Control Machine Tool, and its Machine Tool Electric Appliance can not be its a big shortcoming by computer control.
Because all Machine Tool Electric Appliances all are forceful electric power (～380V and 220V) control, comprise that push-button station, limit switch etc. locate all to be with forceful electric power, very dangerous.
The utility model purpose is the controller of making of the logical action of IC logic control Machine Tool Electric Appliance, and makes the lathe push-button station or directly control lathe by computer interface, adopts the control executive component of controllable silicon as Machine Tool Electric Appliance.
Technical solution of the present utility model is: connect optocoupler from lathe push-button station or computer interface, optocoupler output control signal connects the IC logic control circuit, its output connects controllable silicon controller through optocoupler and through drive circuit again, the break-make of work, braking and the condenser pump of controllable silicon controller control fortune silk motor, the control signal of another road optocoupler output directly connects the break-make of high frequency electric source.The IC logic control circuit can multi-disc collection sheet circuit be barricaded as the logic of control Machine Tool Electric Appliance, but with programmable gate display circuit GAL for well.Its course of work such as following:
The switch motion of Machine Tool Electric Appliance is sent from lathe push-button station or computer, send into GAL by photo-coupler, GAL provides corresponding output switching signal according to logic, and output signal is by optocoupler and drive circuit, open or close bidirectional triode thyristor, finish switch motion Machine Tool Electric Appliance.
Fortune silk motor is in operation and runs into the commutation travel switch, and this signal is sent into GAL by photo-coupler, and GAL closes high frequency electric source earlier makes fortune silk motor stop earlier again, the back oppositely starts, there is suitable time-delay the centre, makes commutation steadily soft, opens high frequency electric source again after the fortune silk oppositely starts.Any position (being included in the commutation process) that fortune silk motor is in operation runs into the lathe push-button station or computer sends stop sign, GAL closes high frequency electric source earlier and condenser pump makes fortune silk motor stop earlier again, back plugging, also there is suitable time-delay the centre, fortune silk motor can reliably be come to a complete stop in the 0.5-1 left and right sides second time, can not continue the inertia operation, can guarantee that wire electrode can be owing to overshoot is broken.
The optocoupler effect is that the logic circuit with wire cutting machine tool separates with executive component, and the former uses light current (5V/12V direct current), and (～380V/～220V), make lathe push-button station, travel switch etc. locate to be light current has improved security to the latter with forceful electric power.12 optocouplers are partly isolated full-scale input, output signal and logic circuit, guarantee that logical action is interference-free.Finish the logical action of whole Machine Tool Electric Appliances with a slice FPGA gate array circuit (GAL), substituted a large amount of relays, greatly reduce cost, improved integrated level, improved the reliability of circuit.
The interface of custom-designed and computer communication, making computer directly control Machine Tool Electric Appliance, to move its control action and lathe push-button station separate, do not disturb mutually.
The executive component of this patent adopts bidirectional triode thyristor element drives motor, owing to there is not the easily switch contact of consumption, has therefore improved the life-span greatly, has reduced fault rate.
The utility model is described in further detail below in conjunction with accompanying drawing with by embodiment:
Fig. 1 is a structured flowchart, and Figure 23 is a kind of embodiment circuit diagram corresponding to block diagram.
Computer interface is by connector J
1Connect bus and receive optocoupler S
1, S
2The lathe push-button station is by plug-in unit J
2With J
1Parallel connection forms lathe push-button station and computer like this and all can independently control this device.J
2Middle JL-HW and JRHW are the commutation travel switch.The control signal of optocoupler output is through the IC logic controller, carry out logic control by programmable gate array circuit GAL among the embodiment, also can obtain common control line machine cutting off machine logic with multichip integrated circuit, comprise fortune silk motor, oil pump, high frequency electric source break-make sequential, also one tunnel sending and receiving light, two newspaper pipe demonstrations (also being connected in the lathe push-button station) behind optocoupler of the output of GAL, another road connects control assembly, and wherein one road signal is by J
5The higher-order of oscillation input of control molybdenum filament high frequency electric source, the signal that connects control assembly also comprise by drive circuit N31-34 and meet controllable silicon controller CT
1-CT
8, CT wherein
1-CT
5Output meet J
4The rotating of control fortune silk motor, wherein CT
5Mutually constant, CT
1-CT
4Commutation during rotating, socket J
3Connect the 380V alternating current, CT6-CT8 is by the break-make of socket J5 control Oil pump electrical machinery.AC power is received rectification, filtering and mu balanced circuit by socket J2 after transformer T1, T2 step-down, to offer bus and weak current part with working dc power.Oscillating circuit U
1Constitute by time base circuit, be used to provide the GAL clock signal.By charging delay circuit R23, C25, amplifying circuit P21, the relay J C1 of P22 and drive have constituted the initialize routine circuit of GAL and the corresponding holding circuit that powers up, and are powering up moment, and triode P21 ends, relay J C
1Do not work high potential to 3 pin of GAL, and each control assembly of GAL initialization does not all power up, and formally carries out computing able to programme thereafter again.Guarantee like this when powering on, to automatically reset, guarantee that whole Machine Tool Electric Appliances are in closed condition, each fortune silk motor that starts, logic guarantees that it starts in the same direction, but can make its reverse startup by the depression stroke switch, has made things convenient for the wrapping wire operation.In all the other detail view 2.3 detailed demarcation is arranged all.
The motion mechanism of the transport line motor of Fig. 1 block diagram illustrations high-speed line cutting off machine was changed by GAL by lathe push-button station and travel switch logic control originally and finished.And computer can be controlled forceful electric power by optocoupler, lathe push-button station and GAL control independent mutually (without the lathe push-button station also fully can).The control of transport line motor promptly by the rotating of driven by motor cutting molybdenum filament, is added in high frequency voltage between fortune silk and the workpiece during molybdenum filament running, as for the shape of work cutting, is controlled by computer or other programmable device.
Fig. 2,3 corresponding as follows with Fig. 1 block diagram: S1, S2 is the optocoupler of input signal, and S4 is the optocoupler of output signal, and programmable gate array circuit GAL is G1 among Fig. 2, J1 connects computer interface, a J2 push-button station of meeting sb. at the airport, J4, J5 connects controllable silicon controller, the break-make of J5 control high frequency electric source, all the other all have demonstration in the drawings.
The utility model has following advantage:
1. cost is low, the about 800-1500 of existing machine tool electrical equipment production cost unit, and this installation cost is 300-400 unit only.
2. function is strong: have various logic functions, defencive function that existing various Machine Tool Electric Appliance system is had.
3. can connect with computer, make computer directly control whole actions of Machine Tool Electric Appliance, and the control action of the control action of computer and lathe push-button station be separate.
4. light current control forceful electric power has improved personal safe protection's performance.
With contactless controllable silicon as executive component, improved the life-span of system greatly, reduced fault rate, reduced maintenance cost.
6. adopt the programmable gate array element, improved integrated level, improved the reliability of circuit.
7. adopt full light-coupled isolation, improved the antijamming capability of system.
8. volume is little, and is in light weight, and existing machine tool electrical equipment volume is about 400 * 400 * 200mm
3+ 250 * 160 * 100mm
3, the volume of this device only is 200 * 200 * 50mm
3, be to have the Machine Tool Electric Appliance volume now
Weight
Claims (4)
1. high speed travelling wire wire cutting machine tool electric apparatus control apparatus, utilize the push-button station control high frequency electric source of lathe self, electrical equipment such as fortune silk motor condenser pump, it is characterized in that: connect optocoupler from lathe push-button station or computer, optocoupler output control signal connects the IC logic control circuit, its output connects controllable silicon controller through optocoupler and through drive circuit again, the break-make of work, braking and the condenser pump of controllable silicon controller control fortune silk motor, the control signal of another road optocoupler output directly connects the break-make of high frequency electric source.
2. by the described control device of claim 1, it is characterized in that the IC logic control circuit adopts programmable gate array circuit (GAL).
3. by claim 1,2 described control device, it is characterized in that the clock signal of GAL is provided by the oscillating circuit that time base circuit constitutes.
4. by claim 1,2 described control device, its feature is by charging delay circuit (R23, C25), amplifying circuit, and (P21, P22) and the relay that drives also connect the reset terminal of GAL, constitute the GAL reset circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95239253 CN2243361Y (en) | 1995-02-25 | 1995-02-25 | Electric controller for high speed wire cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95239253 CN2243361Y (en) | 1995-02-25 | 1995-02-25 | Electric controller for high speed wire cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2243361Y true CN2243361Y (en) | 1996-12-25 |
Family
ID=33881073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95239253 Expired - Fee Related CN2243361Y (en) | 1995-02-25 | 1995-02-25 | Electric controller for high speed wire cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2243361Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012003788A1 (en) * | 2010-07-08 | 2012-01-12 | 漳州灿坤实业有限公司 | Water pump control circuit and water pump control method |
| CN109702279A (en) * | 2019-03-01 | 2019-05-03 | 南京工程学院 | A kind of pulse power of small-sized electric discharge machining apparatus |
-
1995
- 1995-02-25 CN CN 95239253 patent/CN2243361Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012003788A1 (en) * | 2010-07-08 | 2012-01-12 | 漳州灿坤实业有限公司 | Water pump control circuit and water pump control method |
| CN109702279A (en) * | 2019-03-01 | 2019-05-03 | 南京工程学院 | A kind of pulse power of small-sized electric discharge machining apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |