CN208408795U - A kind of electrolysis electric spark synchronizes compound wire electric discharge machine - Google Patents

A kind of electrolysis electric spark synchronizes compound wire electric discharge machine Download PDF

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Publication number
CN208408795U
CN208408795U CN201820774334.8U CN201820774334U CN208408795U CN 208408795 U CN208408795 U CN 208408795U CN 201820774334 U CN201820774334 U CN 201820774334U CN 208408795 U CN208408795 U CN 208408795U
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China
Prior art keywords
electrode
wire
electrolysis
hydrojet
directive wheel
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Withdrawn - After Issue
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CN201820774334.8U
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Chinese (zh)
Inventor
余浩
刘桂贤
张永俊
罗红平
李威
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Guangdong University of Technology
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Guangdong University of Technology
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Abstract

A kind of electrolysis electric spark synchronizes compound wire electric discharge machine, including electrolyte supply module, electrolytic cell, high-voltage pulse power source, wire feeder, live spindle and chuck;Wire feeder includes the levelling bench and wire electrode being arranged in electrolytic cell, levelling bench is equipped with a pair of of directive wheel, rotary damper and motor, rotary damper and motor are fixed on levelling bench to ground relatively, wire electrode one ends wound is in rotary damper shaft, the wire electrode other end is fixed on machine shaft after bypassing a pair of of directive wheel, and live spindle is located between a pair of of directive wheel above gap;The levelling bench is equipped with hydrojet electrode, and hydrojet electrode is equipped with the inlet and mouth spray being connected, and electrolyte supply module is connect by conduit with hydrojet electrode inlet;The cathode of high-voltage pulse power source is electrically connected with wire electrode, anode is electrically connected with hydrojet electrode.The utility model not only improves electrolysis Wire EDM efficiency, but also solves the problems, such as export license during electrolysis Wire EDM.

Description

A kind of electrolysis electric spark synchronizes compound wire electric discharge machine
Technical field
The utility model relates to wire cutting technology fields, and in particular to a kind of electrolysis electric spark synchronizes compound linear cutter Device.
Background technique
Being electrolysed electrical discharge machining is a kind of special processing technology, it is to utilize high voltage pulse power supply and low voltage and direct current Source, Compound Machining, high voltage pulse generate spark discharge, removal Electrolyzed Processing difficulty processing after being conducive to breakdown pole clearance working solution Part enables Electrolyzed Processing to continue.Compared with electrochemical machining method, part difficult-to-machine material is when conventional electrolysis is processed It will appear oxidation film, prevent the further progress of reaction.Compared with electrical discharge machining, done manual work using the good electrolyte of conductivity Make liquid, and the flowing velocity of electrolyte is higher between workpiece and tool, processing product and heat can be taken away in time, it is another Aspect gives full play to electrolysis removal effect when high-voltage pulse rests, and Electrolyzed Processing is processed in a manner of ion remaval, is had Advantage not available for electrical discharge machining, such as there is no heat affected area.
According to existing research achievement it is found that in the disruptive discharge being electrolysed in electrical discharge machining engineering and general dielectric Disruptive discharge it is different, belong to the disruptive discharge in the complex media of gas-liquid two-phase composition.Gas phase in complex media is mainly Since electrochemical reaction generates.So this disruptive discharge process can be described as: generating gas by electrolysis first, then Complete gas film is generated in electrode surface, further gas film is breakdown, is that interpolar electric field is distorted, causes liquid phase substance Gasify and puncture, ultimately forms the breakdown channel of two interpolars, discharge.
Art technology researcher has electrolysis spark erosion technique and has carried out considerable research, and has gushed out very More research achievements, such as application No. is 201410373682.0 patents to provide a kind of more potential electrolysis processing methods, The high potential that insoluble impressed current anode is wrapped up outside cathode side walls insulating layer carrys out constrained electric field, to reduce dispersion corrosion and control side wall Taper.This patent is provided with three current potentials, and external electrode has high potential, and interior electrode has low potential, and the current potential of workpiece is between interior Between electrode and external electrode;Workpiece, external electrode, interior electrode are conducted by electrolyte.But due to being that electrolysis electric machining can not add Work is similar to the difficult-to-machine materials such as tungsten, silicon, silicon carbide, and relatively low relative to electrolysis electrical discharge machining efficiency.
Application No. is 201710103774.0 patents to provide a kind of electrolysis electrical spark working of plane foil electrode Work method is face processing relative to traditional electrolysis electrical discharge machining, improves efficiency.But because its power supply mode is pulse electricity Source, electrode in process can be lossy, will affect machining accuracy.
Application No. is 201710680993.5 patents to provide a kind of rotary ultrasonic electrode micro-electrochemical machining spark cutting Device and method reduces Faradaic current, forms more uniform air film using ultrasonic vibration secondary process and rotation electrode, Conducive to electric discharge.But its power supply mode limits its processing efficiency, and uses columnar electrode, in process can be lossy, meeting Influence machining accuracy.
In conclusion the electrolysis Wire-cut Electrical Discharge Machining technology of the prior art, there is that processing efficiency is low and is processing In the process export license and the disadvantages of influence machining accuracy.
Utility model content
The utility model aim is the shortcomings that overcoming the prior art and insufficient, provides a kind of electrolysis electric spark and synchronizes and answers Wire electric discharge machine is closed, while can be improved electrolysis Wire-cut Electrical Discharge Machining efficiency, solves electrolysis Wire EDM In process the problem of export license.
To achieve the above object, the technical solution adopted in the utility model is as follows:
A kind of electrolysis electric spark synchronizes compound wire electric discharge machine, including electrolyte supply module, electrolytic cell, high-tension pulse Rush power supply, wire feeder, live spindle and the chuck for being fixed on live spindle lower end;Wire feeder includes being arranged in the electrolysis Levelling bench and wire electrode in slot, levelling bench are equipped with a pair of of directive wheel, rotary damper and motor, rotary damper and Motor is opposite to be fixed on levelling bench to ground, and wire electrode one ends wound is in the shaft of rotary damper, the wire electrode other end Around being fixed on machine shaft after a pair of of directive wheel, the pair of directive wheel is opposite to be arranged to ground in levelling bench, rotation master The top in axle position gap between a pair of of directive wheel;The levelling bench is equipped with hydrojet electrode, and hydrojet electrode, which is equipped with, to be connected Inlet and mouth spray, electrolyte supply module connect with hydrojet electrode inlet by conduit and provides electrolyte, hydrojet Mouth is used for workpiece jet electrolytic liquid;The cathode of high-voltage pulse power source is electrically connected with wire electrode, anode is electrically connected with hydrojet electrode So that electrolyte has positive electricity.
From the foregoing, it will be observed that the utility model processing unit (plant) can be used for cutting workpiece or the slot by linear cutter workpiece Mouthful, the specific working principle is as follows: by piece-holder on the chuck of live spindle lower end, and the positive opposite electricity in workpiece position to be processed Polar filament, and workpiece is connect with the low-voltage dc power supply lower than high-voltage pulse power source cathode voltage, this is for Electrolyzed Processing power supply; Then starting motor makes wire electrode carry out cutting processing to workpiece, while electrolyte supply module is to workpiece jet electrolytic liquid, work Part first generates cell reaction in initial manufacture, and as the progress of cell reaction constantly generates bubble, bubble coalescence is formed The air film of stable and uniform forms discharge channel, simultaneously because hydrojet electrode accesses high voltage, relative to hydrojet electrode, wire electrode It is low pressure with workpiece, therefore forms potential difference, and then form spark discharge, reach the ablation of material and purpose of dishing out, accelerates to add Work process, to complete electrolysis electric spark combination synchronous processing process.
In conclusion the utility model wire feeder uses the form of slow wire feeding, and constantly introducing new wire electrode The integrality that ensure that wire electrode, avoids the mismachining tolerance occurred by electronic wire loss, has both improved electrolysis wire electric discharge and has cut Processing efficiency is cut, and solves the problems, such as export license during electrolysis Wire-cut Electrical Discharge Machining;The utility model is using orientation The mode of jet electrolytic liquid can limit the effect of electric field, so that locality is more preferable, processing quality is more preferable.
As a kind of improvement of the utility model, between the directive wheel and rotary damper and/or directive wheel and motor Between be respectively equipped with conductive column, the wire electrode bypasses conductive column, and cathode and the conductive column of high-voltage pulse power source are electrically connected so that It is negatively charged to obtain wire electrode.
The cotton for being tensioned wire electrode is equipped with as a kind of improvement of the utility model, between the directive wheel and conductive column Felt column, the wire electrode bypass blanket column.
Compared with prior art, the utility model has the advantage that
The utility model wire feeder uses the form of slow wire feeding, ensure that electrode and constantly introducing new wire electrode The integrality of silk, avoids the mismachining tolerance occurred by electronic wire loss, has both improved electrolysis Wire-cut Electrical Discharge Machining efficiency, Solve the problems, such as again electrolysis Wire-cut Electrical Discharge Machining during export license;The utility model is using vectored injection electrolyte Mode can limit the effect of electric field, so that locality is more preferable, processing quality is more preferable.
Detailed description of the invention
Fig. 1 is the front view that the utility model is electrolysed that electric spark synchronizes compound wire electric discharge machine;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the schematic diagram that the utility model is electrolysed that electric spark synchronizes compound wire electric discharge machine hydrojet electrode.
Specific embodiment
To keep the purposes, technical schemes and advantages of the utility model implementation clearer, below in conjunction with the utility model Attached drawing in embodiment is further described explanation to the technical solution of the utility model, it is clear that described embodiment is only It is a part of the embodiment of the utility model, instead of all the embodiments.Based on the embodiments of the present invention, this field Those of ordinary skill's every other embodiment obtained without creative efforts, belongs to the utility model The range of protection.
Embodiment
Please refer to Fig. 1 to Fig. 3, a kind of electrolysis electric spark synchronizes compound wire electric discharge machine, including electrolyte supplies mould Block 1, electrolytic cell 2, high-voltage pulse power source 3, wire feeder, live spindle 4 and the chuck 5 for being fixed on 4 lower end of live spindle;
Wire feeder includes the levelling bench 6 and wire electrode 7 being arranged in the electrolytic cell 2, and levelling bench 6 is equipped with one To directive wheel 8, rotary damper 9 and motor 10, rotary damper 9 and motor 10 are fixed on levelling bench 6 to ground relatively, electricity For 7 one ends wound of polar filament in the shaft of rotary damper 9,7 other end of wire electrode is fixed on motor 10 after bypassing a pair of of directive wheel 8 In shaft, the pair of directive wheel 8 is opposite to be arranged to ground in levelling bench 6, and live spindle 4 is located at empty between a pair of of directive wheel 8 The top of gap;
The levelling bench 6 is equipped with hydrojet electrode 11, and hydrojet electrode 11 is equipped with the inlet 12 and mouth spray being connected 13, electrolyte supply module 1 is connect with 11 inlet 12 of hydrojet electrode by conduit 14 and provides electrolyte, and mouth spray 13 is used for To 17 jet electrolytic liquid of workpiece;The cathode of high-voltage pulse power source 3 is electrically connected with wire electrode 7, anode is electrically connected with hydrojet electrode 11 So that electrolyte has positive electricity.
Fig. 1 and Fig. 2 are please referred to, from the foregoing, it will be observed that the utility model processing unit (plant) can be used for cutting workpiece or pass through line The notch of cutting processing workpiece, the specific working principle is as follows: workpiece 17 being clamped on the chuck 5 of 4 lower end of live spindle, and work The just opposite wire electrode 7 in the position to be processed of part 17, and by workpiece 17 and the low-voltage DC lower than high-voltage pulse power source cathode voltage Source connection, this is for Electrolyzed Processing power supply;Then starting motor 10 makes wire electrode 7 carry out cutting processing, while electricity to workpiece 17 Liquid supply module 1 is solved to 17 jet electrolytic liquid of workpiece, workpiece first generates cell reaction in initial manufacture, with cell reaction Constant generation bubble is carried out, bubble coalescence forms the air film of stable and uniform, discharge channel formed, simultaneously because hydrojet is electric High voltage is accessed in pole, and relative to hydrojet electrode, wire electrode and workpiece are low pressure, therefore forms potential difference, and then forms spark and put Electricity reaches the ablation of material and purpose of dishing out, accelerates machine process, to complete electrolysis electric spark combination synchronous processing process.
In conclusion the utility model wire feeder uses the form of slow wire feeding, and constantly introducing new wire electrode The integrality that ensure that wire electrode, avoids the mismachining tolerance occurred by electronic wire loss, has both improved electrolysis wire electric discharge and has cut Processing efficiency is cut, and solves the problems, such as export license during electrolysis Wire-cut Electrical Discharge Machining;The utility model is using orientation The mode of jet electrolytic liquid can limit the effect of electric field, so that locality is more preferable, processing quality is more preferable.
In the present embodiment, it is respectively equipped between the directive wheel 6 and rotary damper 9, between directive wheel 6 and motor 10 Conductive column 15, the wire electrode 7 bypass conductive column 15, and cathode and the conductive column 15 of high-voltage pulse power source 3 are electrically connected so that electric Polar filament 7 is negatively charged.On the one hand conductive column can be tensioned wire electrode, while guaranteeing wire electrode tension and wire electrode and conductive column Reliable contacts, in addition the contact area of wire electrode and conductive column is big, and wire electrode is avoided the conductive feelings loosened occur in motion process Condition.
On the basis of the above, the utility model remakes a kind of improvement, is equipped with and is used between the directive wheel 8 and conductive column 15 It is tensioned the blanket column 16 of wire electrode, the wire electrode 7 bypasses blanket column 16.On the one hand blanket column can be tensioned wire electrode, simultaneously The case where can arbitrarily sliding up and down to avoid wire electrode, has ensured linear cutter quality.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.

Claims (3)

1. a kind of electrolysis electric spark synchronizes compound wire electric discharge machine, it is characterised in that: including electrolyte supply module, electrolysis Slot, high-voltage pulse power source, wire feeder, live spindle and the chuck for being fixed on live spindle lower end;Wire feeder includes setting Levelling bench and wire electrode in the electrolytic cell, levelling bench are equipped with a pair of of directive wheel, rotary damper and motor, rotation Turn damper and motor is fixed on levelling bench to ground relatively, wire electrode one ends wound is in the shaft of rotary damper, electricity The polar filament other end is fixed on machine shaft after bypassing a pair of of directive wheel, and the pair of directive wheel is opposite flat in level to ground setting Platform, live spindle are located at the top in gap between a pair of of directive wheel;The levelling bench is equipped with hydrojet electrode, and hydrojet electrode is set There are the inlet and mouth spray being connected, electrolyte supply module is connect with hydrojet electrode inlet by conduit and provides electrolysis Liquid, mouth spray are used for workpiece jet electrolytic liquid;The cathode of high-voltage pulse power source is electrically connected with wire electrode, anode and hydrojet electrode Electrical connection is so that electrolyte has positive electricity.
2. electrolysis electric spark according to claim 1 synchronizes compound wire electric discharge machine, it is characterised in that: the guiding Conductive column is respectively equipped between wheel and rotary damper and/or between directive wheel and motor, the wire electrode bypasses conductive column, high Press cathode and the conductive column of the pulse power be electrically connected so that wire electrode is negatively charged.
3. electrolysis electric spark according to claim 2 synchronizes compound wire electric discharge machine, it is characterised in that: the guiding The blanket column for being tensioned wire electrode is equipped between wheel and conductive column, the wire electrode bypasses blanket column.
CN201820774334.8U 2018-05-23 2018-05-23 A kind of electrolysis electric spark synchronizes compound wire electric discharge machine Withdrawn - After Issue CN208408795U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820774334.8U CN208408795U (en) 2018-05-23 2018-05-23 A kind of electrolysis electric spark synchronizes compound wire electric discharge machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820774334.8U CN208408795U (en) 2018-05-23 2018-05-23 A kind of electrolysis electric spark synchronizes compound wire electric discharge machine

Publications (1)

Publication Number Publication Date
CN208408795U true CN208408795U (en) 2019-01-22

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108723529A (en) * 2018-05-23 2018-11-02 广东工业大学 A kind of electrolysis electric spark synchronizes compound wire electric discharge machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108723529A (en) * 2018-05-23 2018-11-02 广东工业大学 A kind of electrolysis electric spark synchronizes compound wire electric discharge machine

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