CN206677339U - A kind of spark machining electric discharge staircase waveform power circuit - Google Patents
A kind of spark machining electric discharge staircase waveform power circuit Download PDFInfo
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- CN206677339U CN206677339U CN201720469460.8U CN201720469460U CN206677339U CN 206677339 U CN206677339 U CN 206677339U CN 201720469460 U CN201720469460 U CN 201720469460U CN 206677339 U CN206677339 U CN 206677339U
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Abstract
The utility model discloses a kind of spark to machine electric discharge staircase waveform power circuit, including CPU and logic unit, host computer, each axle driver element, I O board and manual operator, and the output end of the input and host computer of the CPU and logic unit is electrically connected with；The output end of each axle driver element, I O board and the equal input of manual operator with CPU and logic unit electrically connects；The output end of the CPU and logic unit is provided with HP breakdown high voltage unit, IP machining voltages unit and FP negative voltage units.This spark machining electric discharge staircase waveform power circuit punctures high voltage unit by the HP of setting and improves discharging efficiency, shortens process time；The IP machining voltages unit of setting can be accurately processed to workpiece, and can effectively reduce export license, extend electrode life；FP negative voltages unit can effectively improve finish, reduce arcing, it is short-circuit situations such as occur；Entirety is to the high in machining efficiency of workpiece, and quality is good, and the service life length of spark machine.
Description
Technical field
Spark machine Workpiece machining apparatus technical field is the utility model is related to, especially a kind of spark machining electric discharge ladder
Ripple power circuit.
Background technology
Electric machining is one kind in the special process, and die industry is essential, is made by high temperature caused by electric discharge
Workpiece material is evaporated or melted to reach the purpose of removal workpiece material, but traditional electric machining voltage is difficult to control, and is reduced
The efficiency of processing, therefore a kind of spark machining electric discharge staircase waveform power circuit is needed, to improve processing efficiency and quality.
Utility model content
The purpose of this utility model is to provide a kind of spark machining electric discharge staircase waveform power circuit have processing efficiency
Height, quality is good, the service life length of spark machine, to solve to propose that processing efficiency is low in above-mentioned background technology, workpiece processing quality
Difference, the problem of spark machine service life is short.
To achieve the above object, the utility model provides following technical scheme：A kind of spark machining electric discharge staircase waveform electricity
Source circuit, including CPU and logic unit, host computer, each axle driver element, I O board and manual operator, the CPU and logic unit
The output end of input and host computer is electrically connected with；Each axle driver element, I O board and the equal input of manual operator are and CPU
And the output end electrical connection of logic unit；The output end of the CPU and logic unit is provided with HP breakdown high voltage unit, IP processing
Voltage cell and FP negative voltage units, the input of HP breakdown high voltage unit, IP machining voltages unit and FP negative voltage units
End is electrically connected with the output end of CPU and logic unit；HP breakdown high voltage unit, IP machining voltages unit and the FP negative senses
The output end of voltage cell is provided with workpiece, workpiece and HP breakdown high voltage unit, IP machining voltages unit and FP negative voltage lists
Member is all connected with.
As further program of the utility model：Multichannel IP circuits, IP electricity are provided with the IP machining voltages unit
Be provided with amplifier A1 in road, amplifier A1 one end connection power interface, amplifier A1 output end connection resistance R153 and
Resistance R157 one end, resistance R153 other end connecting luminous diode D1 simultaneously concatenate with light emitting diode D1；The resistance
R157 other end series resistor R161 one end, resistance R161 other end connection FET Q1, FET Q1 grid
Pole connection resistance R165 is parallel on FET Q1 source electrode.
As further program of the utility model：The both ends of the resistance R161 also and meet diode D2.
As further program of the utility model：The drain electrode connection resistance R169 and electric capacity C50 of the FET Q1
And be parallel on FET Q1 source electrode, the connection end of resistance R169 and FET Q1 drain electrodes is simultaneously connected to diode D3；Institute
Diode D3 and electric capacity C50 input series diode D4, electric capacity C50 output end is stated with FET Q1 source electrode to connect
Connect.
Compared with prior art, the utility model beneficial effect：
This spark machining electric discharge staircase waveform power circuit punctures high voltage unit by the HP of setting can quickly realize effectively
Breakdown, reduce and wait breakdown time, so as to improve discharging efficiency, shorten process time；IP machining voltages unit is exported by rule,
Controllable waveform, is accurately processed to workpiece, when effectively breakdown situation occur in IP machining voltages, starts defeated with staircase waveform
Go out, ladder initial energy, ladder end point energy and ladder step-length time can set, and add available for main energy is provided after breakdown to discharge
Work workpiece, staircase waveform can effectively reduce export license, extend electrode life；FP negative voltages unit can effectively improve finish,
Reduce arcing, it is short-circuit situations such as occur；Entirety is to the high in machining efficiency of workpiece, and quality is good, and the service life length of spark machine.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is IP circuit diagrams of the present utility model.
In figure：1-CPU and logic unit；2- host computers；Each axle driver elements of 3-；4-IO plates；5- manual operators；6-HP punctures
High voltage unit 6；7-IP machining voltage units；8-FP negative voltage units；9- workpiece.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1-2, in the utility model embodiment, a kind of spark machining electric discharge staircase waveform power circuit, including
The input of CPU and logic unit 1, host computer 2, each axle driver element 3, I O board 4 and manual operator 5, CPU and logic unit 1 with
The output end of host computer 2 is electrically connected with, input and the interaction data of host computer 2 of CPU and logic unit 1；Each axle driver element
3rd, the output end of I O board 4 and the equal input of manual operator 5 with CPU and logic unit 1 electrically connects, CPU and logic unit 1 it is defeated
Go out the interaction datas such as end and each axle driver element 3, I O board 4 and manual operator 5；The output end of CPU and logic unit 1 is provided with HP and hit
Wear high voltage unit 6, IP machining voltages unit 7 and FP negative voltages unit 8, HP breakdown high voltage unit 6, IP machining voltages unit 7
It is electrically connected with the input of FP negative voltages unit 8 with the output end of CPU and logic unit 1, HP breakdown high voltage units 6 exist
Being exported in the whole pressing period (ON cycles), energy (size of current) can be set, and quick realize effectively punctures after starting for processing,
Reduce and wait breakdown time, so as to improve discharging efficiency, shorten process time；(the ON within the pressing period of IP machining voltages unit 7
Cycle), if there is not effective breakdown situation, do not export, breakdown is exported by rule, can control waveform；FP negative voltages
Unit 8 is exported in pressing period (ON cycles) and being not pressurized between the cycle (OFF period) by rule, can control waveform, can be effective
Improve finish, reduce arcing, it is short-circuit situations such as occur；HP breakdown high voltage unit 6, IP machining voltages unit 7 and FP negative senses electricity
The output end of pressure unit 8 is provided with workpiece 9, workpiece 9 and HP breakdown high voltage unit 6, IP machining voltages unit 7 and FP negative voltages
Unit 8 is all connected with, and when effectively breakdown situation occur in IP machining voltages, starts to export with staircase waveform, ladder initial energy, rank
Terraced end point energy and ladder the step-length time can set, and carry out electro-discharge machining workpiece 9 available for main energy is provided after breakdown, staircase waveform can have
Effect reduces export license, extends electrode life；Multichannel IP circuits are provided with IP machining voltages unit 7, are provided with IP circuits
Amplifier A1, amplifier A1 one end connection power interface, amplifier A1 output end connection resistance R153's and resistance R157
One end, resistance R153 other end connecting luminous diode D1 simultaneously concatenate with light emitting diode D1；The resistance R157's is another
Hold series resistor R161 one end, resistance the R161 other end connection FET Q1, FET Q1 grid connection resistance
R165 is parallel on FET Q1 source electrode, and resistance R161 both ends also and meet diode D2；FET Q1 drain electrode connects
Connecting resistance R169 and electric capacity C50 is simultaneously parallel on FET Q1 source electrode, the connection of resistance R169 and FET Q1 drain electrodes
Hold and be connected to diode D3；The diode D3 and electric capacity C50 input series diode D4, electric capacity C50 output end with
FET Q1 source electrode connection；IP circuits in this IP machining voltages unit 7 apply one processing between gap by power port
Group by high-low pressure pulse combined into processing pulse, temporally division is generally divided into pulsewidth (ON) and arteries and veins stops (OFF) two stages,
Wherein, the stage for applying high pressure during processing is named the ON stages, and the stage for applying low pressure or shut-off is named the OFF stages；In the On stages, when
When the electric-field intensity of gap is sufficiently large, the insulation characterisitic of the dielectric fluid between gap is destroyed, then is discharged, high temperature caused by electric discharge
High pressure makes the material of workpiece 9 evaporate or melt to remove the material on workpiece 9, such repeated work, is finally reached workpiece 9 and processes
Purpose；Entirety is to the high in machining efficiency of workpiece 9, and quality is good, and the service life length of spark machine.
In summary：This spark machining electric discharge staircase waveform power circuit punctures high voltage unit 6 by the HP of setting can be fast
Speed realizes effectively breakdown, reduces and waits breakdown time, so as to improve discharging efficiency, shortens process time；IP machining voltages unit 7
Exported by rule, can control waveform, workpiece 9 is accurately processed, IP machining voltages occur effectively breakdown situation when, start with
Staircase waveform exports, and ladder initial energy, ladder end point energy and ladder step-length time can set, available for providing main energy after breakdown
Amount carrys out electro-discharge machining workpiece 9, and staircase waveform can effectively reduce export license, extend electrode life；FP negative voltages unit 8 can be effective
Improve finish, reduce arcing, it is short-circuit situations such as occur；Integrally to the high in machining efficiency of workpiece 9, quality is good, and spark machine
Service life is grown.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (4)
1. a kind of spark machining electric discharge staircase waveform power circuit, including CPU and logic unit (1), host computer (2), each axle drive
Moving cell (3), I O board (4) and manual operator (5), it is characterised in that：The CPU and logic unit (1) input and host computer
(2) output end is electrically connected with；Each axle driver element (3), I O board (4) and the equal input of manual operator (5) with CPU and
The output end electrical connection of logic unit (1)；The output end of the CPU and logic unit (1) is provided with HP breakdown high voltage units
(6), IP machining voltages unit (7) and FP negative voltages unit (8), HP breakdown high voltage units (6), IP machining voltages unit (7)
It is electrically connected with the input of FP negative voltages unit (8) with the output end of CPU and logic unit (1)；The HP breakdown is high
Pressure unit (6), the output end of IP machining voltages unit (7) and FP negative voltages unit (8) are provided with workpiece (9), workpiece (9) and
HP breakdown high voltage units (6), IP machining voltages unit (7) and FP negative voltages unit (8) are all connected with.
A kind of 2. spark machining electric discharge staircase waveform power circuit according to claim 1, it is characterised in that：The IP adds
Multichannel IP circuits are provided with work voltage cell (7), amplifier A1, amplifier A1 one end connection power supply are provided with IP circuits
Interface, amplifier A1 output end connection resistance R153 and resistance R157 one end, resistance R153 other end connection luminous two
Pole pipe D1, and concatenated with light emitting diode D1；The other end series resistor R161 of resistance R157 one end, resistance R161's
The other end connects FET Q1, and FET Q1 grid connection resistance R165 is parallel on FET Q1 source electrode.
A kind of 3. spark machining electric discharge staircase waveform power circuit according to claim 2, it is characterised in that：The resistance
R161 both ends also and meet diode D2.
A kind of 4. spark machining electric discharge staircase waveform power circuit according to claim 2, it is characterised in that：The field effect
Should pipe Q1 drain electrode connection resistance R169 and electric capacity C50 be parallel on FET Q1 source electrode, resistance R169 and FET
The connection end of Q1 drain electrodes is simultaneously connected to diode D3；The diode D3 and electric capacity C50 input series diode D4, electric capacity
C50 output end is connected with FET Q1 source electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469460.8U CN206677339U (en) | 2017-04-28 | 2017-04-28 | A kind of spark machining electric discharge staircase waveform power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469460.8U CN206677339U (en) | 2017-04-28 | 2017-04-28 | A kind of spark machining electric discharge staircase waveform power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206677339U true CN206677339U (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720469460.8U Expired - Fee Related CN206677339U (en) | 2017-04-28 | 2017-04-28 | A kind of spark machining electric discharge staircase waveform power circuit |
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| CN (1) | CN206677339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107598312A (en) * | 2017-04-28 | 2018-01-19 | 上海汉霸机电有限公司 | A kind of spark machining electric discharge staircase waveform power circuit |
-
2017
- 2017-04-28 CN CN201720469460.8U patent/CN206677339U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107598312A (en) * | 2017-04-28 | 2018-01-19 | 上海汉霸机电有限公司 | A kind of spark machining electric discharge staircase waveform power circuit |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171128 Termination date: 20210428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |