CN208713062U - A kind of dedicated high frequency pulse power supply of hard alloy wire electrode - Google Patents
A kind of dedicated high frequency pulse power supply of hard alloy wire electrode Download PDFInfo
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- CN208713062U CN208713062U CN201821338220.5U CN201821338220U CN208713062U CN 208713062 U CN208713062 U CN 208713062U CN 201821338220 U CN201821338220 U CN 201821338220U CN 208713062 U CN208713062 U CN 208713062U
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- resistance
- power supply
- switch
- adjustable
- high frequency
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The utility model discloses a kind of dedicated high frequency pulse power supplies of hard alloy wire electrode, including host computer, adjustable DC power supply, power board, discharge resistance, voltmeter, ammeter, the anode of the adjustable DC power supply is sequentially connected ammeter by conducting wire in order, discharge resistance and power board, and it is connect with tool-electrode, the cathode of the adjustable DC power supply is connect with workpiece to be processed, the voltmeter is connect with adjustable DC power sources in parallel, the serial ports of the host computer is connected by Serial Port Line and the control of adjustable DC power supply, the delivery outlet of the host computer is connected by IO line and power board control.The utility model structure is simple, easy to operate, is changed using existing high frequency pulse power supply, save the cost, adjustable DC power supply is controlled using the serial ports of host computer, and controls the IGBT switch of power board by the delivery outlet of host computer, to realize the electro-discharge machining of alloy electrode silk.
Description
Technical field
The utility model relates to a kind of dedicated high frequency pulse power supplies of hard alloy wire electrode, belong to electric spark machining field.
Background technique
Electrical discharge machining is tool-electrode and workpiece to be separately connected to the two poles of the earth of the pulse power, and immerse in working solution, benefit
With the metal extra come ablation of the galvano-cautery phenomenon between positive and negative electrode when pulse feature spark discharge, by the size of part, shape
And surface quality is worked into the special process method of pre-provisioning request.Electrical discharge machining generally uses tungsten wire, brass, red copper, hard
Alloy etc. carries out electro-discharge machining as discharge electrode.
The high frequency pulse power supply of electrical discharge machining is currently used for using RC combined discharge circuit.Discharge loop voltage is set
Range 130V-180V is counted, 65 Ω -90 Ω of resistance, electric current 2A, this power supply is suitble to carry out using tungsten wire, brass, red copper etc. fine
Electrical discharge machining.Due to containing carbon in hard alloy wire electrode ingredient, the resistance value for increasing electrode adds original high frequency again
The design of pulse power peak point current is smaller so leading to that processing efficiency is low, processing effect is poor.However hard alloy wire electrode has outside
Circle consistency is good, rigid electrode is good, will not bending the advantages that thus process 0.1mm and when following aperture have it is apparent excellent
Gesture.With the raising of engine emission requirements, the increase of the atomizer demand in 0.1mm and following aperture we for existing
High frequency pulse power supply improves.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of dedicated high frequency pulse power supply of hard alloy wire electrode,
Structure is simple, easy to operate, controls adjustable DC power supply using the serial ports (COM) of host computer, utilizes the delivery outlet of host computer
(IO) it is switched to control the IGBT of power board, to realize the electro-discharge machining of alloy electrode silk.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of dedicated high frequency pulse power supply of hard alloy wire electrode, including host computer, adjustable DC power supply, power board, put
The anode of resistance, voltmeter, ammeter, the adjustable DC power supply is sequentially connected ammeter, electric discharge by conducting wire in order
Resistance and power board, and connect with tool-electrode, the cathode of the adjustable DC power supply is connect with workpiece to be processed, the voltage
Table is connect with adjustable DC power sources in parallel, and the serial ports of the host computer is connected by Serial Port Line and the control of adjustable DC power supply, institute
The delivery outlet for stating host computer is connected by IO line and power board control.
Preferably, the discharge resistance includes resistance R1, resistance R2 and resistance R3, and resistance R1, resistance R2 and resistance R3
It is parallel with one another.
Preferably, the power board includes switch IGBT1, switch IGBT2, switch IGBT3, switch IGBT4 and switch
IGBT5, wherein the switch IGBT1, switch IGBT2, switch IGBT3 connect with resistance R1, resistance R2 and resistance R3 respectively,
And switch IGBT1, switch IGBT2, switch IGBT3 are parallel with one another, the switch IGBT4 and switch IGBT5 are parallel with one another, and with
Switch IGBT1, switch IGBT2, switch IGBT3 series connection.
Preferably, the resistance R1 is 15 Ω；The resistance R2 is 10 Ω；The resistance R3 is 5 Ω.
Preferably, the voltage range of the adjustable DC power supply is 40V-200V.
The utility model has the advantages that the utility model provides a kind of dedicated high frequency pulse power supply of hard alloy wire electrode, structure is simple, behaviour
Facilitate, be changed using existing high frequency pulse power supply, save the cost, controls straight-adjustable using the serial ports of host computer
Galvanic electricity source, and the IGBT switch of power board is controlled by the delivery outlet of host computer, to realize that the electric discharge of alloy electrode silk adds
Work.
Detailed description of the invention
Fig. 1 is the overall structure figure of the utility model.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below to the embodiment of the present application
In technical solution be clearly and completely described, it is clear that described embodiments are only a part of embodiments of the present application,
Instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, shall fall within the protection scope of the present application.
A kind of dedicated high frequency pulse power supply of hard alloy wire electrode, including host computer, adjustable DC power supply, power board, put
The anode of resistance, voltmeter, ammeter, the adjustable DC power supply is sequentially connected ammeter, electric discharge by conducting wire in order
Resistance and power board, and connect with tool-electrode, the cathode of the adjustable DC power supply is connect with workpiece to be processed, the voltage
Table is connect with adjustable DC power sources in parallel, and the serial ports (COM) of the host computer is connected by Serial Port Line and the control of adjustable DC power supply
It connects, the delivery outlet (IO) of the host computer is connected by IO line and power board control.
Preferably, the discharge resistance includes resistance R1, resistance R2 and resistance R3, and resistance R1, resistance R2 and resistance R3
It is parallel with one another.
Preferably, the power board includes switch IGBT1, switch IGBT2, switch IGBT3, switch IGBT4 and switch
IGBT5, wherein the switch IGBT1, switch IGBT2, switch IGBT3 connect with resistance R1, resistance R2 and resistance R3 respectively,
And switch IGBT1, switch IGBT2, switch IGBT3 are parallel with one another, the switch IGBT4 and switch IGBT5 are parallel with one another, and with
Switch IGBT1, switch IGBT2, switch IGBT3 series connection.
Preferably, the resistance R1 is 15 Ω；The resistance R2 is 10 Ω；The resistance R3 is 5 Ω.
Preferably, the voltage range of the adjustable DC power supply is 40V-200V.
In the utility model, adjustable DC power supply can export 40V-200V voltage；IGBT1, IGBT2 in power board,
IGBT3 is used to combine selection resistance gear, and 2.73 Ω of following 7 kinds of resistance, 3.33 Ω, 3.75 Ω, 5 Ω, 10 may be implemented altogether
Ω, 15 Ω transforming gears；IGBT4, IGBT5 are used to realize high-frequency impulse.Ammeter is used to observe discharge current；Voltmeter is used to
Observe discharge voltage.
Specific embodiment of the present utility model is as follows:
Host computer controls adjustable DC power supply by serial ports first and exports one relatively when being processed using alloy electric machine
Lower voltage (such as 40V) controls IGBT switch one biggish resistance (such as 15 Ω) of selection in power board by delivery outlet
Carry out searching workpiece surface.The big resistance of selection low pressure, which finds surface, can be effectively protected workpiece surface, guarantee micropore entrance
Precision.Host computer controls adjustable DC power supply by serial ports and exports a suitable voltage (such as after finding workpiece surface
150V), IGBT switch one suitable resistance (such as 5 Ω) of selection in power board is controlled by delivery outlet normally to be put
Electric machining.
The key of the utility model is in that adjustable DC supply voltage output area is continuously adjustable and discharge resistance is more
Shelves are adjustable.When voltage selection maximum resistance selection is minimum, peak point current can achieve 70A or so, and alloy electricity may be implemented completely
The electro-discharge machining of pole.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Two kinds of modifications of these embodiments will be readily apparent to those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (5)
1. a kind of dedicated high frequency pulse power supply of hard alloy wire electrode, it is characterised in that: including host computer, adjustable DC power supply,
The anode of power board, discharge resistance, voltmeter, ammeter, the adjustable DC power supply is sequentially connected electricity by conducting wire in order
Flow table, discharge resistance and power board, and connect with electrode, the cathode of the adjustable DC power supply is connect with workpiece to be processed, institute
It states voltmeter to connect with adjustable DC power sources in parallel, the serial ports of the host computer is connected by Serial Port Line and the control of adjustable DC power supply
It connects, the delivery outlet of the host computer is connected by IO line and power board control.
2. a kind of dedicated high frequency pulse power supply of hard alloy wire electrode according to claim 1, it is characterised in that: described to put
Resistance includes resistance R1, resistance R2 and resistance R3, and resistance R1, resistance R2 and resistance R3 are parallel with one another.
3. a kind of dedicated high frequency pulse power supply of hard alloy wire electrode according to claim 1, it is characterised in that: the function
Putting plate includes switch IGBT1, switch IGBT2, switch IGBT3, switch IGBT4 and switch IGBT5, wherein the switch
IGBT1, switch IGBT2, switch IGBT3 connect with resistance R1, resistance R2 and resistance R3 respectively, and switch IGBT1, switch
IGBT2, switch IGBT3 are parallel with one another, the switch IGBT4 and switch IGBT5 it is parallel with one another, and with switch IGBT1, switch
IGBT2, switch IGBT3 series connection.
4. a kind of dedicated high frequency pulse power supply of hard alloy wire electrode according to claim 2, it is characterised in that: the electricity
Resistance R1 is 15 Ω；The resistance R2 is 10 Ω；The resistance R3 is 5 Ω.
5. a kind of dedicated high frequency pulse power supply of hard alloy wire electrode according to claim 1 to 4, it is characterised in that:
The voltage range of the adjustable DC power supply is 40V-200V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821338220.5U CN208713062U (en) | 2018-08-20 | 2018-08-20 | A kind of dedicated high frequency pulse power supply of hard alloy wire electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821338220.5U CN208713062U (en) | 2018-08-20 | 2018-08-20 | A kind of dedicated high frequency pulse power supply of hard alloy wire electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208713062U true CN208713062U (en) | 2019-04-09 |
Family
ID=65978369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821338220.5U Expired - Fee Related CN208713062U (en) | 2018-08-20 | 2018-08-20 | A kind of dedicated high frequency pulse power supply of hard alloy wire electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208713062U (en) |
-
2018
- 2018-08-20 CN CN201821338220.5U patent/CN208713062U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |