CN208408801U - A kind of new and effective wire cutter pulse electric source - Google Patents
A kind of new and effective wire cutter pulse electric source Download PDFInfo
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- CN208408801U CN208408801U CN201820645257.6U CN201820645257U CN208408801U CN 208408801 U CN208408801 U CN 208408801U CN 201820645257 U CN201820645257 U CN 201820645257U CN 208408801 U CN208408801 U CN 208408801U
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Abstract
The utility model discloses a kind of new and effective wire cutter pulse electric sources, belong to linear cutter technical field, can not as needed the duty ratio of impulse waveform be adjusted by solving existing power supply, so that the pulse power of NC wirecut EDM machine can not export the impulse waveform of different-effect, and then the loss of NC wirecut EDM machine is high, output power is low and the slow problem of operating rate, its key points of the technical solution are that, including hvdc circuit, low pressure discharge DC circuit, negative pressure DC circuit and processing module and protective module, the utility model discloses a kind of new and effective wire cutter pulse electric source, pass through the setting of hvdc circuit and low pressure discharge DC circuit, its export pulse signal it is of different sizes, make processing module when being cut, it is more smooth, cutting efficiency is improved simultaneously , and the setting of negative pressure DC circuit, make processing module after each use, helps to restore state rapidly, it is more efficient.
Description
Technical field
The utility model relates to linear cutter technical field, in particular to a kind of new and effective wire cutting machine pulse electricity
Source.
Background technique
The wire cutting of most of producer's productions at present is carried out using fixed conductive block mode, CNC WEDM
The pulse power of lathe is usually also known as high frequency electric source, and effect is that common alternating current is converted into, high-frequency unidirectional high frequency
The pulse power；The pulse power is the important component of numerically controlled wire cutting machine, is the pass for influencing wire cutting technology index
One of key factor, the quality surface roughness of wire cutting machine tool processing and the speed of processing depend primarily on wire cutting pulse electricity
The performance in source, the pulse power of NC wirecut EDM machine is high-frequency discharge power supply at present, in terms of discharge voltage only
One discharge voltage, control waveform is also relatively simple, only between PC control pulsewidth, arteries and veins, the electricity that is only used when repairing knife
It presses different, the duty ratio of impulse waveform can not be adjusted as needed, so that the arteries and veins of NC wirecut EDM machine
The impulse waveform of different-effect can not be exported by rushing power supply, and then the loss of NC wirecut EDM machine is high, output power is low
It is slow with operating rate, and machined surface roughness is had adverse effect on.
Utility model content
The purpose of the utility model is to provide a kind of new and effective wire cutter pulse electric sources, by the way that different pulses is arranged
Signal, it is more smooth when being cut, while improving cutting efficiency, and after each use, it all can be into
Row restores state again, improves service life.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of new and effective wire cutter pulse electric source, including hvdc circuit, low pressure discharge DC circuit, negative pressure are straight
Current circuit and processing module and protective module；
The hvdc circuit includes several first amplifying units, first amplifying unit include field-effect tube QH1,
Resistance RH1, diode DH1, diode DH1 '；
The low pressure discharge DC circuit includes several second amplifying units, and second amplifying unit includes field-effect tube
Q1, resistance R1, diode D1, diode D1 '；
The negative pressure DC circuit includes several third amplifying units, the third amplifying unit include field-effect tube QF1,
Resistance RF1, diode DF1, diode DF1 '；
Processing module includes wire electrode E, resistance RE, diode DE；
Protective module includes diode DD, inductance L.
Using the above scheme, pass through the setting of hvdc circuit and low pressure discharge DC circuit, the pulse letter of output
Number it is of different sizes, make processing module when being cut, it is more smooth, while improving cutting efficiency, and negative pressure is straight
The setting of current circuit, makes processing module after each use, can all be restored state again, improve service life.
Preferably, the power supply includes power supply body, it is fixedly installed in the power supply body for the power supply
Ontology carries out the power source of cooling fan and driving fan rotation, is provided with temperature sensor in the power supply body, institute
Stating temperature sensor includes for detecting power supply body temperature change with the temperature detecting unit of output temperature detection signal, coupling
The comparing unit of temperature detection signal is received in temperature detecting unit, the comparing unit has an a reference value, the benchmark
Value corresponds to the normal temperature of power supply body, and the value of temperature detection signal is compared rear defeated by the comparing unit with a reference value
Corresponding comparison signal out is coupled on the comparing unit for receiving comparison signal and exporting the control list of control signal
Member is coupled with the execution unit that fan opening and closing is controlled in response to control signal in described control unit；
When temperature detecting unit detect power supply body temperature be above standard temperature when, described control unit control fan
Starting.
Using the above scheme, the temperature change that power supply body can be effectively monitored by temperature detecting unit, when power supply sheet
The temperature of body be above standard temperature when, control unit control fan unlatching radiates, to extend the service life of power supply body.
Preferably, the output end of the comparing unit has been also coupled to for improving benchmark threshold voltage with the temperature that debases the standard
Feedback section.
Using the above scheme, feedback section provides positive feedback signal for comparing unit, makes comparing unit in output high level
After comparison signal, its benchmark threshold voltage can be improved by positive feedback, thus reduce normal temperature corresponding to a reference value, i.e., it is extensive
Rewarming degree avoids the value of temperature detection signal from fluctuating near normal temperature value, and causes the working condition of execution unit continuous
It jumps, and then extends the service life of execution unit.
Preferably, the comparing unit is also coupled to the adjustment portion for adjusting a reference value.
Using the above scheme, a reference value of the adjustable comparing unit of adjustment portion, so that corresponding normal temperature value is adjusted,
To adapt to different operating conditions, the scope of application is increased.
Preferably, being provided with mounting blocks in the power supply body, offers on the mounting blocks and hold for temperature sensor
The cavity set, the opening of the cavity are covered with cover board, the induction for temperature sensor are offered in the plate face of the cover board
The perforation that head is worn, the temperature sensor and perforation are interference fitted；The two sides of the cover board are outward extended with supporting plate, described
Supporting plate is mutually fixed by the upper surface of screw and mounting blocks.
Using the above scheme, cavity provides accommodating space for temperature sensor, and the inductive head of temperature sensor is arranged in
In perforation, temperature sensor can be made to link together with cover board, and temperature sensor can be made to leave with the folding of cover board
Or be put into cavity, it repairs and replaces convenient for temperature sensor, increase operation ease, while improving operation effect
Rate；Supporting plate can be fixed on to the upper surface of station by screw, so that cover board can firmly be covered on the opening position of cavity
It sets.
Preferably, the opening edge of the cavity is along the ladder annular groove offered for the accommodating of the edge of cover board and supporting plate.
Using the above scheme, the setting of ladder annular groove, enables the upper of plate face on cover board far from cavity and station
End face keeps concordant, without protruding, reduces the occupancy in space.
Preferably, the bottom surface of the ladder annular groove is equipped with sealing ring along its length.
Using the above scheme, sealing ring can increase the leakproofness between cover board and ladder annular groove, avoid extraneous aqueous vapor
It enters in cavity, so as to make to keep drying in cavity.
Preferably, the bottom of the cavity, which is provided with, is connected to the lid conjunction face of cover board with the bullet far from cavity that drives cover board
Property part.
Using the above scheme, elastic component can drive cover board to bounce automatically after cover board unlocks, and will cover convenient for people
Plate takes out out of cavity, more humanized.
In conclusion the utility model has the following beneficial effects:
1, by the setting of hvdc circuit and low pressure discharge DC circuit, the size of the pulse signal of output is not
Together, make processing module when being cut, it is more smooth, while improving cutting efficiency, and negative pressure DC circuit is set
It sets, makes processing module after each use, can all be restored state again, improve service life；
2, the temperature change that power supply body can be effectively monitored by temperature detecting unit, when the temperature of power supply body is more than
When normal temperature, control unit control fan unlatching is radiated, to extend the service life of power supply body.
Detailed description of the invention
Fig. 1 is the operating circuit schematic diagram of power supply in the present embodiment；
Fig. 2 is the pulse schematic diagram of power input in the present embodiment；
Fig. 3 is the perspective view of the explosion of power supply in the present embodiment；
Fig. 4 is the enlarged diagram in Fig. 3 at A；
Fig. 5 is the operating circuit schematic diagram of temperature sensor in the present embodiment.
In figure: 1, hvdc circuit；11, the first amplifying unit；2, low pressure discharge DC circuit；21, the second amplification is single
Member；3, negative pressure DC circuit；31, third amplifying unit；4, processing module；5, protective module；6, power supply body；61, fan；
63, temperature sensor；631, temperature detecting unit；632, comparing unit；633, control unit；634, execution unit；635, anti-
Feedback portion；636, adjustment portion；64, mounting blocks；65, cavity；66, cover board；661, it perforates；662, supporting plate；67, ladder annular groove；671,
Sealing ring；68, elastic component；69, inserting column.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of new and effective wire cutter pulse electric source disclosed in the present embodiment, as shown in Figure 1, including hvdc circuit
1, low pressure discharge DC circuit 2, negative pressure DC circuit 3 and processing module 4 and protective module 5；
Hvdc circuit 1 includes several first amplifying units 11, and the component in every group of first amplifying unit 11 is equal
It is identical, therefore only wherein one group of first amplifying unit 11 is introduced:
First amplifying unit 11 includes field-effect tube QH1, resistance RH1, diode DH1, diode DH1 '；Field-effect tube
QH1 be N-channel metal-oxide-semiconductor transistor and model IRFP250, diode DH1, diode DH1 ' model be
HER608。
The grid of field-effect tube QH1 is attached with signal CPH, the source electrode of field-effect tube QH1 and the sun of diode DH1 '
Pole connection, the cathode of diode DH1 ' are connect with power supply-VF, the drain electrode of field-effect tube QH1 and one end, the diode of resistance RH1
The anode of DH1 connects, and the other end of resistance RH1 is connect with the cathode of diode DH1, power supply+VH.
Low pressure discharge DC circuit 2 includes several second amplifying units 21, and first device in every group of second amplifying unit 21
Part is all the same, therefore only wherein one group of second amplifying unit 21 is introduced:
Second amplifying unit 21 includes field-effect tube Q1, resistance R1, diode D1, diode D1 '；Field-effect tube Q1 is N
Channel depletion type isolated gate FET and model IRFP250, diode D1, diode D1 ' model be HER608.
The grid of field-effect tube Q1 is attached with signal CPL, and the source electrode of field-effect tube Q1 and the anode of diode D1 ' connect
It connects, the cathode of diode D1 ' is connect with power supply-VF, drain electrode and one end of resistance R1, the anode of diode D1 of field-effect tube Q1
Connection, the other end of resistance R1 are connect with the cathode of diode D1, power supply+VL.
Negative pressure DC circuit 3 includes several third amplifying units 31, and the component in every group of third amplifying unit 31 is equal
It is identical, therefore only wherein one group of third amplifying unit 31 is introduced, two groups of third amplifying units 31 are used in the present embodiment
Carry out using.
Third amplifying unit 31 includes field-effect tube QF1, resistance RF1, diode DF1, diode DF1 '；Field-effect tube
QF1 be N-channel metal-oxide-semiconductor transistor and model IRFP250, diode DF1, diode DF1 ' model be
HER608。
The grid of field-effect tube QF1 is attached with signal CPF, the source electrode of field-effect tube QF1 and the sun of diode DF1 '
Pole connection, the cathode of diode DF1 ' are connect with power supply-VH, the drain electrode of field-effect tube QF1 and one end, the diode of resistance RF1
The anode of DF1 connects, and the other end of resistance RF1 is connect with the cathode of diode DF1, power supply+VF.
Processing module 4 includes wire electrode E, resistance RE, diode DE；The model HER608 of diode DE.
Power supply-VF is connect with one end of one end of wire electrode E+, resistance RE, the other end of resistance RE and the yin of diode DE
Pole connection, the anode of diode DE are connect with the other end of wire electrode E-, signal-VH.
Protective module 5 includes diode DD, inductance L；The model RURG5060 of diode DD.
The anode of diode DD is connect with one end of power supply-VL, inductance L, the cathode of diode DD and the other end of inductance L
Connection.
As shown in Fig. 2, signal CPL, signal CPH, signal CFP are successively inputted.Power supply+VH and power supply-VH is high pressure
DC power supply, power supply+VL and power supply-VL are low pressure discharge DC power supply, and power supply+VF and power supply-VF, which are negative, presses DC power supply.
When signal CPH input, processing module 4 is to establish the discharge channel of electric spark；When CPH signal stops input and believes
When number CPL input, processing module 4 is to provide the energy of the electric spark for cutting；When signal CPL stops input and signal CFP
When input, processing module 4 is to restore the state of discharge electrode.
In conjunction with shown in Fig. 3 and Fig. 4, power supply includes power supply body 6, is fixedly installed in power supply body 6 for power supply sheet
Body 6 carries out the power source that cooling fan 61 and driving fan 61 rotate, and is provided with temperature sensor 63 in power supply body 6.
In conjunction with shown in Fig. 4 and Fig. 5, temperature sensor 63 includes for detecting 6 temperature change of power supply body with output temperature
It detects the temperature detecting unit 631 of signal, be coupled to temperature detecting unit 631 to receive the comparing unit of temperature detection signal
632, comparing unit 632 has an a reference value, and a reference value corresponds to the normal temperature of power supply body 6, and comparing unit 632 is by temperature
The value of detection signal exports corresponding comparison signal after being compared with a reference value, is coupled on comparing unit 632 for receiving
Comparison signal simultaneously exports the control unit 633 for controlling signal, is coupled in control unit 633 in response to control signal to control wind
The execution unit 634 of 61 opening and closing of fan；
When temperature detecting unit 631 detect power supply body 6 temperature be above standard temperature when, control unit 633 control
Fan 61 starts.
Temperature detecting unit 631 includes thermistor Rt, resistance RA1 and resistance RA2；One end of thermistor Rt is coupled to
Voltage vcc, the other end are coupled to one end of resistance RA1, the other end ground connection of resistance RA1；One end of resistance RA2 is coupled to temperature-sensitive
The tie point of resistance Rt and resistance RA1, other end output temperature detect signal to comparing unit 632；The output end of resistance RA1 is also
It is grounded by capacitor C1.Wherein thermistor Rt preferably uses negative tempperature coefficient thermistor, i.e., resistance value with temperature raising
And reduce, conversely, increasing with the reduction of temperature.
Thermistor Rt and resistance RA1 constitute bleeder circuit, when in the temperature in voltage monitoring instrument calibrating power supply body 6
When rising, the resistance value of thermistor Rt reduces, and the tie point voltage between resistance RA2 decreases；On the contrary, working as power supply sheet
It is in body 6 when the temperature drops, the resistance value of thermistor Rt increases, the tie point voltage between resistance RA1 rises with it.Its
Middle capacitor C1 plays voltage regulation filtering, and resistance RA2 plays metering function.
Comparing unit 632 is comparator U, and the inverting input terminal of comparator U is coupled to the connection of resistance RA2 and capacitor C1
Point, output end export corresponding comparison signal.
It is coupled on comparing unit 632 for receiving comparison signal and exporting the control unit 633 of control signal, control is single
Member 633 includes that relay KA, the triode Q1 of NPN type and fly-wheel diode DA 1, one end of the coil of relay KA are coupled to electricity
Vcc is pressed, the other end is coupled to the collector of triode Q1, and the base stage of triode Q1 is coupled to the output end of comparator U to receive
Corresponding comparison signal, emitter ground connection；The coil inverse parallel of fly-wheel diode DA 1 and relay KA.
The execution unit 634 in response to controlling signal is coupled in control unit 633, execution unit 634 includes fan 61,
One end of the normally opened contact KA-1 of relay KA is coupled to voltage vcc, and the other end is coupled to one end of fan 61, fan 61 it is another
One end ground connection.When temperature detecting unit 631 detect the temperature in power supply body 6 be above standard temperature when, control unit 633 control
Execution unit 634 processed starts fan 61 and runs.
The output end of comparing unit 632 is also coupled to for improving benchmark threshold voltage with the feedback section for the temperature that debases the standard
635.Feedback section 635 includes variable resistance RP1 and diode DA2, and the anode of diode DA2 is coupled to the output end of comparator U,
Cathode is coupled to the end a of variable resistance RP1, and the end b of variable resistance RP1 is coupled to the non-inverting input terminal of comparator U.
Positive feedback loop is formd by diode DA2 and variable resistance RP1, when comparator U exports high level, is passed through
Output signal is added to the non-inverting input terminal of comparator U by positive feedback loop, increases the voltage of non-inverting input terminal；Wherein two pole
Pipe DA2 plays one-way conduction, prevents voltage vcc from flowing backward the output end to comparator U by positive feedback loop；It can by adjusting
The resistance value of power transformation resistance RP1 can change the size of current for being flowed into comparator U non-inverting input terminal, to adjust positive and negative feedthrough voltage
Value.
Comparing unit 632 is also coupled to the adjustment portion 636 for adjusting a reference value.Adjustment portion 636 includes variable resistance
RP2, variable resistance RP3 and capacitor C2, the end c of variable resistance RP2 are coupled to voltage vcc, and the end d is coupled to the e of variable resistance RP3
End；The end f of variable resistance RP3 is grounded, and variable resistance RP2 is coupled to the same mutually defeated of comparator U with the tie point of variable resistance RP3
Enter end.
Variable resistance RP2 and variable resistance RP3 together constitute bleeder circuit, by adjusting variable resistance RP2 and can be changed
The resistance value of resistance RP3 can adjust tie point voltage between the two, which makees as the benchmark threshold voltage of comparing unit 632
For the non-inverting input terminal of comparator U, correspond to the normal temperature in voltage monitoring instrument calibrating power supply body 6, and voltage value
Higher, corresponding normal temperature value is lower.
The both ends of capacitor C2 are respectively coupled to the both ends of variable resistance RP3, and capacitor C2 plays pressure stabilization function, so that variable resistance
For RP3 when being adjusted, the voltage change at both ends can be more smooth.
It is provided with mounting blocks 64 in power supply body 6, the cavity 65 accommodated for temperature sensor 63 is offered on mounting blocks 64,
The preferably square setting of cavity 65, depth are equal to or more than the length of temperature sensor 63.The opening lid of cavity 65 closes
There is cover board 66, the shape of the cover board 66 is adapted to the opening shape of cavity 65, and size is slightly larger than the opening size of cavity 65,
It allows it to seal the opening of cavity 65 completely.
The perforation 661 worn for the inductive head of temperature sensor 63 is offered in the plate face of cover board 66, the perforation 661 is preferred
It is set to the plate face center of cover board 66,661 interference fit of inductive head and perforation of temperature sensor 63, making between the two can be tight
Close fit.
The two sides of cover board 66 are outward extended with supporting plate 662, and two supporting plates 662 are symmetrical set.Supporting plate 662 passes through screw
It is mutually fixed with the upper surface of mounting blocks 64, which preferably uses countersunk head formula screw, and so that it will not protrude from the plate of supporting plate 662
Face.Further, the opening edge edge of cavity 65 offers the ladder annular groove 67 for the accommodating of the edge of cover board 66 and supporting plate 662,
I.e. the ladder annular groove 67 is arranged along the opening edge edge of cavity 65, while shape is adapted to the outer edge and supporting plate 662 of cover board 66
Shape.The bottom surface of ladder annular groove 67 is equipped with sealing ring 671 along its length.The depth of ladder annular groove 67 should be equal to simultaneously
Or the thickness being added slightly larger than sealing ring 671 with cover board 66.
The bottom of cavity 65 is provided with the lid conjunction face for being connected to cover board 66 to drive cover board 66 far from the elastic component of cavity 65
68, which is preferably pressure spring, and the bottom of cavity 65 is fixed in one end of pressure spring, and the lid that the other end presses on cover board 66 closes
On face；The quantity of pressure spring is preferably two, is symmetrically arranged in the two sides of the bottom of cavity 65, so that acting on cover board 66
Elastic anchorage force can be balanced more；Further, the position that the bottom of cavity 65 corresponds to pressure spring has upwardly extended slotting
Column 69, inserting column 69 are plugged in corresponding pressure spring, and are interference fitted with pressure spring, so that pressure spring can not be detached from the bottom surface of cavity 65.
The length of inserting column 69 is preferably the half of pressure spring under natural conditions simultaneously, so that pressure spring is not susceptible to bend in contraction process.
When installing jointing temp sensor 63, the inductive head of temperature sensor 63 is first inserted into perforation 661 from the bottom up
It is interior, and make the plate face flush of inductive head Yu cover board 66.It is covered on the opening of cavity 65 then as cover board 66, temperature is passed
Sensor 63 is put into cavity 65, and makes 66 inlay card of cover board in ladder annular groove 67, and the inductive head of temperature sensor 63 is answered at this time
It is arranged upward；In the process, under the extruding of cover board 66 elastic shrinkage occurs for elastic component 68, finally by screw by cover board 66
The supporting plate 662 of two sides is fixed on the bottom surface of ladder annular groove 67, so that cover board 66 completes installation, take off it can not from mounting blocks 64
From.
When dismantling temperature sensor 63, first screw is backed out from supporting plate 662, to release the locking of cover board 66, at this time
Cover board 66 can be bounced under the reset response of elastic component 68, to facilitate people to take cover board 66.In the mistake for taking out cover board 66
Cheng Zhong, temperature sensor 63 are removed from cavity 65 therewith.
When the temperature of power supply body 6 is normal, the resistance value of thermistor Rt is higher, makes the electricity of comparator U inverting input terminal
Pressure is greater than the voltage of its non-inverting input terminal, and at this moment comparator U exports the base stage of low level comparison signal to triode Q1, makes three
Pole pipe Q1 cut-off, with the current supply circuit of block system relay KA, makes relay KA-1 be in power failure state, corresponding normally opened contact
KA-1 is disconnected, and cuts off the current supply circuit of fan 61 respectively, fan 61 does not rotate at this time.
When the temperature of power supply body 6 increases, the resistance value for being set to the thermistor Rt inside power supply body 6 subtracts therewith
It is small, reduce the voltage of the inverting input terminal acted on comparator U；When temperature is above standard temperature, the reverse phase of comparator U
Input terminal voltage is just decreased to less than the voltage of its non-inverting input terminal, makes the comparison signal of comparator U output high level to three
Triode Q1 is connected in the base stage of pole pipe Q1, and the coil of relay KA obtains electric actuation, and corresponding normally opened contact KA-1 is closed,
It is radiated so that the power supply of fan 61 is connected.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of new and effective wire cutter pulse electric source, it is characterized in that: including hvdc circuit (1), low pressure discharge direct current
Circuit (2), negative pressure DC circuit (3) and processing module (4) and protective module (5)；
The hvdc circuit (1) includes several first amplifying units (11), and first amplifying unit (11) includes field effect
It should pipe QH1, resistance RH1, diode DH1, diode DH1 '；
The low pressure discharge DC circuit (2) includes several second amplifying units (21), and second amplifying unit (21) includes
Field-effect tube Q1, resistance R1, diode D1, diode D1 '；
The negative pressure DC circuit (3) includes several third amplifying units (31), and the third amplifying unit (31) includes field effect
It should pipe QF1, resistance RF1, diode DF1, diode DF1 '；
Processing module (4) includes wire electrode E, resistance RE, diode DE；
Protective module (5) includes diode DD, inductance L.
2. a kind of new and effective wire cutter pulse electric source according to claim 1, it is characterized in that: the power supply includes electricity
Source ontology (6) is fixedly installed on the power supply body (6) for carrying out cooling fan (61) to the power supply body (6)
And the power source of driving fan (61) rotation, the power supply body (6) is interior to be provided with temperature sensor (63), and the temperature passes
Sensor (63) include for detect power supply body (6) temperature change with output temperature detection signal temperature detecting unit (631),
Temperature detecting unit (631) is coupled to receive the comparing unit (632) of temperature detection signal, comparing unit (632) tool
There is an a reference value, a reference value corresponds to the normal temperature of power supply body (6), and the comparing unit (632) is by temperature detection
The value of signal exports corresponding comparison signal after being compared with a reference value, be coupled on the comparing unit (632) for connecing
It receives comparison signal and exports the control unit (633) of control signal, be coupled in described control unit (633) and believe in response to control
Number with control fan (61) opening and closing execution unit (634)；
When temperature detecting unit (631) detect power supply body (6) temperature be above standard temperature when, described control unit
(633) control fan (61) starting.
3. a kind of new and effective wire cutter pulse electric source according to claim 2, it is characterized in that: the comparing unit
(632) output end is also coupled to the feedback section (635) for improving benchmark threshold voltage with the temperature that debases the standard.
4. a kind of new and effective wire cutter pulse electric source according to claim 3, it is characterized in that: the comparing unit
(632) it is also coupled to the adjustment portion (636) for adjusting a reference value.
5. a kind of new and effective wire cutter pulse electric source according to claim 2, it is characterized in that: the power supply body
(6) it is provided with mounting blocks (64) in, the cavity (65) for temperature sensor (63) accommodating, institute is offered on the mounting blocks (64)
The opening for stating cavity (65) is covered with cover board (66), is offered in the plate face of the cover board (66) for temperature sensor (63)
The perforation (661) that inductive head is worn, the temperature sensor (63) and perforation (661) interference fit；The two of the cover board (66)
Side is outward extended with supporting plate (662), and the supporting plate (662) is mutually fixed by the upper surface of screw and mounting blocks (64).
6. a kind of new and effective wire cutter pulse electric source according to claim 5, it is characterized in that: the cavity (65)
Opening edge is along the ladder annular groove (67) offered for the accommodating of the edge of cover board (66) and supporting plate (662).
7. a kind of new and effective wire cutter pulse electric source according to claim 6, it is characterized in that: the ladder annular groove
(67) bottom surface is equipped with sealing ring (671) along its length.
8. a kind of new and effective wire cutter pulse electric source according to claim 5, it is characterized in that: the cavity (65)
Bottom be provided be connected to cover board (66) lid close face with drive cover board (66) far from cavity (65) elastic component (68).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820645257.6U CN208408801U (en) | 2018-04-28 | 2018-04-28 | A kind of new and effective wire cutter pulse electric source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820645257.6U CN208408801U (en) | 2018-04-28 | 2018-04-28 | A kind of new and effective wire cutter pulse electric source |
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| Publication Number | Publication Date |
|---|---|
| CN208408801U true CN208408801U (en) | 2019-01-22 |
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ID=65116595
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| CN201820645257.6U Active CN208408801U (en) | 2018-04-28 | 2018-04-28 | A kind of new and effective wire cutter pulse electric source |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570830A (en) * | 2020-11-29 | 2021-03-30 | 南京理工大学 | Pulse power supply energy transmission loop in reciprocating wire-moving electrospark wire-electrode cutting machining |
| CN113927111A (en) * | 2021-10-16 | 2022-01-14 | 金美威(浙江)智能科技有限公司 | Slow-walking wire cutting pulse discharge circuit principle control system and method |
-
2018
- 2018-04-28 CN CN201820645257.6U patent/CN208408801U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570830A (en) * | 2020-11-29 | 2021-03-30 | 南京理工大学 | Pulse power supply energy transmission loop in reciprocating wire-moving electrospark wire-electrode cutting machining |
| CN113927111A (en) * | 2021-10-16 | 2022-01-14 | 金美威(浙江)智能科技有限公司 | Slow-walking wire cutting pulse discharge circuit principle control system and method |
| CN113927111B (en) * | 2021-10-16 | 2024-05-28 | 金美威(浙江)智能科技有限公司 | Control system and method for pulse discharge loop of slow wire cutting |
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