CN103611994B - Complex-curved list without recast layer/group hole Multi-station electrical spark-electrolytic machine tool - Google Patents
Complex-curved list without recast layer/group hole Multi-station electrical spark-electrolytic machine tool Download PDFInfo
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Abstract
The invention discloses a kind of complex-curved list without recast layer/group hole multistation electric spark and electrolysis composite processing machine tool, including machine body, cathod system, working solution circulating system, power-supply system and control system, its control circuit of power-supply system controls the switching of different wave power supply according to different process requirements, power supply signal is applied to tool-electrode and workpiece power-supply system through output circuit, use single loop or multiloop power supply mode, tool-electrode is carried out independently-powered；Working solution cyclic switching device rushes the specific demand that liquid freely switches inside and outside pipe electrode needed for can realizing electric spark and electrolysis Compound Machining, also can realize high-low pressure and rush liquid and intermittence rushes liquid；Cathod system accommodates system can realize single hole, the processing of group hole Multi-station synchronous by the single or multiple tool-electrode of clamping.This lathe can realize electric spark and electrolysis and be combined drilling processing, and the hole wall after its processing is without the defect such as recast layer, micro-crack, and lathe mechanism is simple, working (machining) efficiency is high, have wide range of applications.
Description
Technical field
The present invention relates to a kind of complex-curved list without recast layer/group hole Multi-station electrical spark-electrolytic machine tool, belong to
In special process apparatus field.
Background technology
In the industrial circles such as Aero-Space, electric appliance and electronic, instrument and meter, industry light industry textile industry, occur increasingly
The parts of the most small list/group's pore structure, and the quantity of part mesopore is increasing, diameter is more and more less, essence
Degree and surface quality requirements are more and more higher, but the material category of industrial part is various, and structure is complicated, processing
Difficulty is big.Especially at Aero-Space and military industry field, due to the special environment condition of equipment work, often want
Ask its material to have higher hardness and intensity, there is good heat resistance and corrosion resistance, therefore its parts lead to
Frequently with the difficult-to-machine material such as high temperature alloy, titanium alloy, therefore propose higher for micro hole machining technique
Requirement, traditional mechanical process technique cannot meet demand.In recent years, micro hole Special Working Technology
It is widely used, as spark machined, Laser Processing, Ultrasonic machining, electron beam process, electrolysis add
Work etc., and all achieve and develop faster, become the Main Means of difficult-to-machine material micro hole machining.
Electric spark the most directly contacts with in electrochemical machining process, will not produce macroscopic view active force, available general
Logical tool-electrode difficult processing rapidoprint.Electric spark-electrolysis complex machining process is electric spark and electrolysis to be added
Work combines targetedly, the advantage that effectively make use of both so that it is jointly act on same workpiece
Surface, thus obtain the processing workpiece that machining accuracy is high, surface quality is good efficiently.List/group's hole electric spark-
The processing in the hole that electrolysis Compound Machining is mainly used on difficult-to-machine material, such as hollow cooling turbine bucket and guiding
Large quantity micropore structure on device blade, after processing, microcellular structure will not produce residual stress, and hole wall table is without casting again
Layer and micro-crack, can meet the high performance requirements of aviation parts.
On December 24th, 2003, Chinese utility model patent CN2593944Y discloses a kind of band and reversely rushes liquid
The high speed microhole EDM machine of device, it is anti-that this lathe sets one on original high-speed electric spark small hole processor
To rushing liquid device, eliminate the ill effect brought because of leakage, improve the crudy of hole exits and add work efficiency
Rate, but this lathe can only carry out the little hole machined of high-speed electric spark, it is impossible to for electric spark-electrolysis Compound Machining,
More cannot be used for group hole machined.
On August 15th, 2007, the Chinese patent application of Application No. 200710064289.3 discloses one
The electric spark/electrochemical machining method of bent hole and device thereof, this device is processed for existing Bend Hole Machining method
Low precision, the problem of processing three dimensions bent hole difficulty, use workpiece and workbench to rotate and the sensing of electrode
Constant scheme, makes the control of electrode direction in Bend Hole Machining be simplified, it is possible to be easily achieved three-dimensional curved
Arc hole, the scope of expanded hole processing and the precision of raising Bend Hole Machining, but this device is for micro hole list
/ group hole machined DeGrain, working (machining) efficiency is relatively low, and processing technology is complicated, cost is high.
On February 16th, 2011, the Chinese patent application of Application No. 201010289524.9 discloses one
Electrolysis electric spark machine combined micro-machining device and processing method thereof, this device utilizes machined electrode and non-conductive
Workpiece to be processed can the feature of physical contact, introduce machining so that it is become a kind of new electrolysis electric spark and cut
Cut combined micro-machining device, compensate for original electrolysis electric spark machine tool in working (machining) efficiency, machining accuracy etc.
The shortcoming of aspect so that it is have material removing rate height, machining accuracy is high, surface quality is good, low cost and other advantages,
But this device is mainly for process for un-metal material, and process has directly contact, there is macroscopic view active force,
It is unsuitable for the micro hole machining of the difficult processing metals such as high temperature alloy.
On May 1st, 2013, the Chinese patent of Application No. 201210596365.6 discloses a kind of nut rolling
Road electric machining process and lathe, this lathe uses the Special Working Technologies such as electrolysis, electric spark or compound electric processing,
Mainly for nut, especially in large pitch nut, raceway is processed, and this machine tool structure is simple and practical, motion
Steadily, low cost, but the application of this lathe has certain limitation, is processed mainly for nut rolling way,
It is difficult to expand to the processing in small list/group hole.
Summary of the invention
A kind of complex-curved list without recast layer/group hole Multi-station electrical spark-electrolytic machining set of offer is provided
Bed, cannot carry out small to difficult processing metal solving electric spark-electrolytic machine tool of the prior art
The technical problem that list/group hole processes without recast layer.
In order to solve above-mentioned technical problem, complex-curved list without recast layer/group hole Multi-station electrical that the present invention provides
Spark-electrolytic machine tool, including machine body, cathod system, working solution circulating system, power-supply system and
Control system, it is characterised in that: described power-supply system includes control circuit and output circuit, described control circuit
Control the switching of different wave power supply according to different process requirements, power supply signal is applied to work through described output circuit
Tool electrode and workpiece；Described power-supply system uses single loop or multiloop power supply mode, carries out tool-electrode solely
Vertical power supply.
The beneficial effects of the present invention is: the control circuit in (1) machine tool electric of the present invention origin system, can basis
Different processing modes, carry out any switching laws of different electrical power waveform, meet the power demands of all kinds of operation；(2)
Lathe of the present invention uses the mode that multiloop is powered, and many electrodes during group's hole machined is carried out a point loop and individually controls
System, can improve working (machining) efficiency greatly to having when large number of orifices form workpiece is processed, avoid because putting simultaneously
The single hole processing that electricity is concentrated and produced is excessive, processing non-uniform phenomenon, and the effective stability ensureing processing carries
High group hole machined precision and surface quality；(3) lathe of the present invention realizes the high speed in list/group hole, efficient numerically controlled adds
Work, and mechanism is simple, low cost of manufacture, have wide range of applications.
In order to meet the power requirement of different wave in process, the power supply wave shape of described power-supply system output is
Impulse waveform, DC waveform and hybrid waveform or be high-low pressure composite power source waveform, and can be according to Compound Machining need
The regulation of parameter to be carried out.
In the present invention, described cathod system includes electrode clamping device, tool-electrode, guider, described work
One end of tool electrode is clamped by electrode clamping device, and the other end passes guider.
For improving further the working (machining) efficiency of lathe, described cathod system includes by multiple electrode clamping devices, many
The multistation clamping guidance system of root tool-electrode, branch chamber, multistation clamping bearing composition.
In order to when improving micro hole machining, small-gap suture rushes liquid difficult problem, improve working solution stream in small-gap suture
Speed, accelerates product and flows out from processing gap, and described tool-electrode outer wall uses fluting or helicitic texture.
In order to clamp the tool-electrode of varying number, with satisfied list/group's hole machined needs, described electrode clamping dress
Put and can clamp single or multiple tool-electrode, it is also possible to for combination clamping device；In order to realize complicated abnormal shape
The processing in hole, what described combination clamping device can clamp many tool-electrodes composition has difform electrode
Unit.
For adapting to different spaces structure and complex-curved processing, it is to avoid produce machining interference, described guider
For stubby shape or elongated shape, its cross section is circular, square and other shapes.
In the present invention, described working solution circulating system is: in clean liquid bath, working solution is controlled by solenoid directional control valve,
Flow into machining area from tool-electrode is internal respectively, rush liquid in forming tool-electrode, from guiding device along instrument electricity
Pole outer wall flows into machining area, it is achieved rush liquid outside tool-electrode；After processing produced waste liquid through discharging tube from work
Make concentrated flow to turbid liquid bath, then be discharged to after filtering in clean liquid bath, thus realize the purification of waste liquid and working solution again
Circulation.The mode of liquid is rushed, it is achieved that rush liquid at same station inside and outside pipe electrode simultaneously, meet respectively inside and outside employing
Spark machined and the Electrolyzed Processing requirement to working solution, it is achieved that the electric spark-electrolysis of same station is compound to be added
Work, improves working (machining) efficiency, it is ensured that crudy.The recycling of working solution can be realized simultaneously, reduce
Processing cost, decreases environmental pollution.
For realizing the processing of X, Y, Z, W, S, B, C seven-axis linkage numerical control, in described machine body, X is to flat
Platform, Y-direction platform, workbench are sequentially arranged on lathe base, workbench shifting in X-axis, Y direction
Dynamic；Workbench and X are provided with revolving dial between platform, control workbench rotation on C direction of principal axis；Machine
Bed main shaft moves up and down along Z-direction, and rotating disk is installed on machine tool chief axis, the rotation on B direction of principal axis；Electricity
Pole feed arrangement is arranged on micromotion platform, it is achieved the Fine Feed on W direction of principal axis, and electrode feed arrangement self can
Processing feeding in the rotation of implementation tool electrode and S direction of principal axis.
For realize X, Y, Z, W, S, A, B, C eight axle linkage and small workpiece digital control processing, described lathe this
In body, X is sequentially arranged on lathe base to platform, Y-direction platform, and workbench is arranged on X on platform, work
Station can be along X-axis, the movement of Y direction；A axle rotary main shaft is installed on the table, A axle revolving dial
Being arranged on A axle rotary main shaft, C axle rotary main shaft is installed on A axle revolving dial, C axle revolving dial is installed
On C axle rotary main shaft, it is achieved workbench movement along A axle, C direction of principal axis；Machine tool chief axis is along Z axis side
To up and down motion, rotating disk is installed on machine tool chief axis, the rotation on B direction of principal axis；Electrode feed arrangement is installed
On micromotion platform, it is achieved the Fine Feed on W direction of principal axis, electrode feed arrangement self can implementation tool electrode
Processing feeding in rotation and S direction of principal axis.
Accompanying drawing explanation
Fig. 1 is the complex-curved list without recast layer of the present invention/group hole Multi-station electrical spark-electrolytic machine tool principle
Figure.
Fig. 2 is power-supply system schematic diagram.
Fig. 3 is that multistation clamps guidance system schematic diagram
Fig. 4 is guider schematic diagram.
Fig. 5 is working solution circulating system schematic diagram.
Fig. 6 is to rush liquid device schematic diagram.
Fig. 7 is seven axes numerical control machine tool front views.
Fig. 8 is seven axes numerical control machine tool left views.
Fig. 9 is eight axes numerical control machine tool front views.
Figure 10 is eight axes numerical control machine tool left views.
Label title in figure: 1-bed piece, 2-workbench, 3-fixture, 4-workpiece, 5-work nest, 6-
Control system, 7-power-supply system, 8-machine tool chief axis, 9-Pressure gauge, 10-regulator, 11-regulator,
12-Pressure gauge, 13-check valve, 14-electrode clamping device, 15-rushes liquid device bearing, and 16-rushes liquid device,
17-tool-electrode, 18-check valve, 19-stop valve, 20-check-valves, 21-plunger type metering pump, 22-essence mistake
Filter, 23-check-valves, 24-solenoid directional control valve, 25-check valve, 26-overflow valve, the clean liquid bath of 27-, 28-
Rush liquid pump, 29-filter, 30-filter, the turbid liquid bath of 31-, 32-lathe base, 33-reservoir, 34-X
To platform, 35-discharging tube, 36-rotating disk, 37-vertical feed platform, 38-micromotion platform, 39-feed pipe,
40-electrode feed arrangement, 41-revolving dial, 42-display system, 43-operating platform, 44-switch board, 45-
Electric wire, 46-C type column, 47-Y is to platform, 48-A axle rotary main shaft, 49-A axle revolving dial, 50-C
Axle revolving dial, 51-C axle rotary main shaft, 52-voltage check device, 53-coil, 54-current-limiting resistance, 55-
Transistor unit, 56-sealing gasket, 57-guider, 58-flow guide sleeve, 59-flow-guiding channel, 60-rushes liquid-tight
Seal apparatus, 61-branch chamber, 62-multistation clamping bearing, 63-power amplifier, 64-diode, 65-electricity
Magnetic switch.
Detailed description of the invention
Explanation is described in detail below in conjunction with the accompanying drawings to as invention.
As Figure 1 and Figure 4, the complex-curved list without recast layer of the present invention/group hole Multi-station electrical spark-electrolysis adds
Work lathe includes by bed piece 1, workbench 2, fixture 3, workpiece 4, work nest 5, machine tool chief axis 8,
Electrode clamping device 14, rushes liquid device bearing 15, and tool-electrode 17 forms machine body.By tool-electrode
17, electrode clamping device 14, guider 57 form cathode assembly；By rushing liquid device 16, Pressure gauge 9,
12, regulator 10,11, check valve 13,18,25, stop valve 19, plunger type metering pump 21, essence mistake
Filter 22, check-valves 20,23, solenoid directional control valve 24, overflow valve 26, rush liquid pump 28, filter 29,
30, clean liquid bath 27, turbid liquid bath 31 and pipeline composition working solution circulating system, the working solution of supply processing
And discharge processing product；Whole lathe is controlled in real time and electric energy control system 6 and electricity needed for work is provided
Origin system 7.
Above-mentioned cathod system is arranged on main shaft 8 swivel head of machine body, and motor drives the moon by moving component
Electrode systems carries out swivel feeding, and feeding information is fed back to control system 6 by reponse system, controls difference processing rank
The switching of intersegmental power supply, power-supply system 7, according to different processing technology needs, exports the power supply ripple of corresponding electrical quantity
Shape, utilizes working solution circulating system be operated the switching control of liquid and the waste liquid of processing generation is carried out multistage mistake
Filter, and regulate the control temperature of working solution, ion concentration, electrical conductivity etc., it is achieved working solution recycles, work
Make liquid by rushing liquid device 16, carry out that tool-electrode 17 is inside and outside rushes liquid, it is achieved electric spark-electrolysis is compound to be added
Work.
Above-mentioned cathod system can be designed with multistation clamping guidance system, can realize synchronization for multiple workpiece and add
Work.Above-mentioned tool-electrode 17 can be common tube electrode, screwed pipe electrode, slotted-tube electrode or by wherein appointing
What several electrode of anticipating formed has difform compound electrode unit.Above-mentioned electrode clamping device 14 can clamp
Single or multiple electrode tips are used for single hole or group's hole machined, it is possible to for combination clamping device, be used for combining
The clamping of electrode unit.This lathe can realize the list/high speed in group hole, HECNCM, improves and adds work efficiency
Rate, it is ensured that crudy, and mechanism is simple, low cost, have wide range of applications.
In Fig. 2 power-supply system schematic diagram, power-supply system mainly includes control circuit and output circuit composition, its
Middle control circuit mainly includes power supply 7, voltage check device 52, coil 53, power amplifier 63, two pole
Pipe 64, electromagnetic switch 65 form, and power supply 7 can be made up of with the pulse power dc source, it is possible to by two kinds or
The electric power generating composition of multiple different wave, different electrical power 7 switches under the control of control circuit, voltage detecting
Device 52 is to be made up of voltage detecting integrated circuit to detect power supply 7 whether action, and electromagnetic switch 65 is permissible
Control the position of switch thus control any switching laws between different electrical power according to processing situation, meet various processing need
Want.Output circuit is made up of current-limiting resistance 54, transistor unit 55, the power supply signal of control circuit output,
Through current-limiting resistance 54 and transistor unit 55, it is applied to tool-electrode 17 and workpiece 4.
Control circuit in above-mentioned power-supply system 7 can control different electrical power waveform according to the difference of processing mode
Real-time switching, export different power supply wave shapes, can be impulse waveform, DC waveform and hybrid waveform, also
Can be high-low pressure composite power source waveform, and can need to carry out the regulation of parameter according to Compound Machining, with satisfied difference
Process requirements.Power-supply system 7 can be powered to use single loop or multiloop mode, uses multiloop mode
Power supply, to when needed for group's hole electric spark-electrolysis Compound Machining, many electrodes carry out independently-powered respectively, adds in raising
While work efficiency rate, it is achieved simple group hole electric spark-electrolysis Compound Machining, because of electric discharge when also can avoid group hole machined
The individual orifices aperture concentrated and produce is excessive, the crudy in processing non-uniform phenomenon raising group hole.Therefore,
This device is utilized to be processed having large number of orifices form workpiece, especially for aero-engine gaseous film control
Hole carries out group hole machined, can improve working (machining) efficiency greatly, the effective stability ensureing processing, improves processing
Precision and surface quality.
In Fig. 3 multistation clamping guidance system schematic diagram, electrode clamping device 14 clamping device electrode 17 is deep
Enter in branch chamber 61, rush liquid device 16 and be arranged on the multistation clamping of electric spark-electrolysis composite processing machine tool
On seat 62, tool-electrode 17 other end enters machining area through rushing liquid device 16, formed single electric spark-
Electrolysis complex machining device, multiple identical devices by certain spatial homing distribution formed Multi-station electrical spark-
Electrolysis Machining System, utilizes this system by multiple tool-electrodes, multiple workpiece can be carried out Multi-station synchronous
Processing, improves working (machining) efficiency greatly.
Fig. 4 is guider schematic diagram and cross-sectional view thereof.Guider 57 can be stubby shape, it is possible to for
Elongated shape, its cross section can be cylindrical, it is possible to for square, to adapt to different spaces structure and complex-curved
Processing, it is to avoid produce machining interference.
In working solution circulating system schematic diagram shown in Fig. 5, rush liquid pump 28 through filter 29 from clean liquid bath 27
Draw working solution, provide required working solution for whole machining area.Working solution from rush liquid pump 28 discharge after warp
Cross check valve 25 and enter in solenoid directional control valve 24, when solenoid directional control valve 24 is in the cut out of middle position, working solution
In overflow valve 26 is back to clean liquid bath 27；When solenoid directional control valve 24 is in right position, working solution is through pressure regulation
Device 10, from the internal machining area that flows into of tool-electrode 17, rushes liquid in formation tool-electrode 17, is mainly used in
Spark machined；When solenoid directional control valve 24 is in left position, working solution branches to two after regulator 11
Pipeline, adds along the inflow of tool-electrode 17 outer wall from symmetrical flow-guiding channel 59 through check valve 13 and 18 the most respectively
Territory, work area, it is achieved rush liquid outside tool-electrode 17, is mainly used in being electrolysed the wall surface of the hole after spark machined
Ablation.After processing produced waste liquid from work nest 5 through stop valve 19 flow to turbid liquid bath 31, turbid liquid bath
In 31, the waste liquid of centralized recovery filters through coarse filtration and essence respectively under the effect of plunger type metering pump 21 and gets rid of extremely
In clean liquid bath 27, thus realize the purification of waste liquid and the recycling of working solution, working solution regulator 10,
Under 11 effects, the high-low pressure that can realize working solution alternately rushes liquid.Additionally, use solenoid directional control valve 24, it is achieved
Working solution intermittence rushes liquid, and rushes liquid pump 28 and use pulse pump, it is achieved the pulsed of working solution rushes liquid.In
The outer working solution circulating system rushing liquid, it is achieved that simultaneously rush liquid at same station inside and outside tool-electrode 17, respectively
Meet the requirement to working solution of spark machined and Electrolyzed Processing, it is achieved that the electric spark-electrolysis of same station is multiple
Close processing, improve working (machining) efficiency, it is ensured that crudy.Additionally, use this circulated filter system, will add
Waste liquid filtration, purification after work, it is achieved that recycling of working solution, reduces cost, reduces pollution.This
Outward, work tank uses anti-corrosion material can realize the circulating filtration with corrosivity working solution.
Fig. 6 show and rushes liquid device schematic diagram, rushes liquid device 16 and is fixed on and rushes on liquid device bearing 15, leads
Stream set 58 is connected with guider 57 by screw thread, and guiding device comprises two or more symmetrical inclination water conservancy diversion and leads to
Road 59, guiding device exports equipped with rushing sealing device 60, it is ensured that rush the sealing of liquid, tool-electrode 17
Sequentially pass through clamping guiding device 57, guiding device, sealing device entrance machining area.Rush liquid device to reduce
The turbulent phenomenon of machining area working solution, can realize the big flow of small-gap suture and rush liquid, it is ensured that working solution flow field is stable
Property, improve drilling effect.
Carry out rushing liquid inside and outside tool-electrode 17 by rushing liquid device 16, meet electric spark and Electrolyzed Processing pair
The use requirement of working solution, outer liquid part of rushing uses mode double, that multidirectional symmetry rushes liquid, by working solution from water conservancy diversion
The multiple symmetrical flow-guiding channel 59 of device pours simultaneously, compared to asymmetric liquid-charging type, rushes liquid stability and obtains
Arrive the biggest raising.Above-mentioned flow-guiding channel 59 can be level, it is also possible to be diagonally downward, tilts
Angle be can optimum choice.
Seven axes numerical control machine tool front view shown in Fig. 7, lathe base 32 supports the main part of whole lathe,
X is sequentially arranged on lathe base 32 to platform 34, Y-direction platform 47, workbench 2, it is achieved workbench 2
Movement in X-axis, Y direction, workbench 2 and X is also equipped with revolving dial 41 between platform 34,
Controlling the workbench 2 rotation on C direction of principal axis, workbench 2 side is provided with discharging tube 35 by after processing
Waste liquid drains in reservoir 33, and the liquid in reservoir 33 is through purifying through feed pipe 39 through instrument electricity simultaneously
Pole 17 and rush liquid device 16 and flow into machining area, provides required working solution for Compound Machining.Rush liquid device 16
It is connected with machine tool chief axis 8 through rushing liquid device bearing 15, main shaft in the vertical direction can be followed and move freely, with
Time under the effect of rotating disk 36, tool-electrode can rotate along B direction of principal axis so that it is coordinates with revolving dial 41,
Can processing space inclined hole at any angle.Additionally, power supply and control system are in switch board 44, processing ginseng
Number and work step arrangement can be input in control system by operating platform 43, control whole process, processing
In all information and processing result shown by display system 42.Therefore, this lathe can realize X, Y,
Z, W, S, B, C multiaxis NC maching, can be processed the different angles inclined hole of complex space curved surfaces structure,
Positional accuracy and processing stability be can effectively ensure, machining accuracy and surface quality improved.
Fig. 8 seven axes numerical control machine tool left view further illustrates the motion on lathe vertical direction, lathe
Main shaft 8 can realize lathe and move up and down along Z-direction, and rotating disk 36 is installed on machine tool chief axis 8, can realize
The rotation of 0-180 ° along B direction of principal axis.Electrode feed arrangement 40 is arranged on micromotion platform 38, can realize W
Fine Feed on direction, thus finely tune workpiece with rush liquid device 16 spacing.Additionally, electrode feed arrangement
40 self can processing feeding on the rotation of implementation tool electrode and S direction.
Eight axes numerical control machine tool front view shown in Fig. 9, is different from seven Shaft and NC Machining Test extra beds, and this lathe eliminates
2 times C axle rotation systems of workbench, and use and A axle rotary main shaft 48, the revolution of A axle are installed on workbench 2
Platform 49 is arranged on A axle rotary main shaft 48, C axle rotary main shaft 51 is arranged on A axle revolving dial 49,
C axle revolving dial 50 is installed on C axle rotary main shaft 51, makes the workpiece 4 can be on A axle, C direction of principal axis
Rotate, thus realize the eight axle motions of lathe X, Y, Z, W, S, B, C, A, but owing to the revolution of A axle is flat
Platform 49, C axle revolving dial 50 size are less, are typically only applicable to small workpiece processing.
Figure 10 eight axes numerical control machine tool left view, main presentation A axle rotary main shaft 48, A axle revolving dial
49, C axle revolving dial 50, C axle rotary main shaft 51 are installed on workbench 2, and workpiece 4 is placed on C
On axle revolving dial 50, its rotation along A axle, C direction of principal axis can be realized.
The above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, can also make some improvement under the premise without departing from the principles of the invention, these improve also should
It is considered as protection scope of the present invention.
Claims (8)
1. complex-curved list without recast layer/group hole Multi-station electrical spark-electrolytic machine tool, including machine body, cathod system, working solution circulating system, power-supply system (7) and control system (6), it is characterized in that: described power-supply system (7) includes control circuit and output circuit, described control circuit controls the switching of different wave power supply according to different process requirements, and power supply signal is applied to tool-electrode (17) and workpiece (4) through described output circuit；Described power-supply system uses single loop or multiloop power supply mode, carries out independently-powered to tool-electrode (17)；
In described machine body, X is sequentially arranged on lathe base (32) to platform (34), Y-direction platform (47), workbench (2), and workbench (2) can move along X-axis, Y direction；Workbench (2) and X are provided with revolving dial (41) between platform (34), control the workbench (2) rotation on C direction of principal axis；Machine tool chief axis (8) moves up and down along Z-direction, and rotating disk (36) is installed on machine tool chief axis (8), can rotate along B direction of principal axis；Electrode feed arrangement (40) is arranged on micromotion platform (38), realizing the Fine Feed on W direction of principal axis, electrode feed arrangement (40) self can processing feeding on the rotation of implementation tool electrode (17) and S direction of principal axis；
Or X is sequentially arranged on lathe base (32) to platform (34), Y-direction platform (47) in described machine body, workbench (2) is arranged on X on platform (34), and workbench (2) can move along X-axis, Y direction；A axle rotary main shaft (48) is arranged on workbench (2), A axle revolving dial (49) is arranged on A axle rotary main shaft (48), C axle rotary main shaft (51) installation A axle revolving dial (49) is upper, C axle revolving dial (50) is arranged on C axle rotary main shaft (51), it is achieved the workbench (2) movement along A axle, C direction of principal axis；Machine tool chief axis (8) moves up and down along Z-direction, and rotating disk (36) is installed on machine tool chief axis (8), can rotate along B direction of principal axis；Electrode feed arrangement (40) is arranged on micromotion platform (38), realizing the Fine Feed on W direction of principal axis, electrode feed arrangement (40) self can processing feeding on the rotation of implementation tool electrode (17) and S direction of principal axis.
Complex-curved list without recast layer the most according to claim 1/group hole Multi-station electrical spark-electrolytic machine tool, it is characterized in that: the power supply wave shape that described power-supply system (7) exports is impulse waveform, DC waveform and hybrid waveform or is high-low pressure composite power source waveform, and can need to carry out the regulation of parameter according to Compound Machining.
Complex-curved list without recast layer the most according to claim 1/group hole Multi-station electrical spark-electrolytic machine tool, it is characterized in that: described cathod system includes electrode clamping device (14), tool-electrode (17), guider (57), one end of described tool-electrode (17) is clamped by electrode clamping device (14), and the other end passes guider (57).
Complex-curved list without recast layer the most according to claim 1/group hole Multi-station electrical spark-electrolytic machine tool, it is characterised in that: described cathod system includes the multistation clamping guidance system being made up of multiple electrode clamping devices (14), many tool-electrodes (17), branch chamber (61), multistation clamping bearing (62).
5. according to the complex-curved list without recast layer described in any one of claim 1,2,3,4/group hole Multi-station electrical spark-electrolytic machine tool, it is characterised in that: described tool-electrode (17) outer wall uses fluting or helicitic texture.
6. according to the complex-curved list without recast layer described in claim 3 or 4/group hole Multi-station electrical spark-electrolytic machine tool, it is characterized in that: described electrode clamping device (14) can clamp single or multiple tool-electrode (17), it is also possible to for combination clamping device；What described combination clamping device clamped that many tool-electrodes (17) form has difform electrode unit.
Complex-curved list without recast layer the most according to claim 3/group hole Multi-station electrical spark-electrolytic machine tool, it is characterised in that: described guider (57) is stubby shape or elongated shape, and its cross section is circular, square and other shapes.
Complex-curved list without recast layer the most according to claim 1/group hole Multi-station electrical spark-electrolytic machine tool, it is characterized in that described working solution circulating system is: in clean liquid bath (27), working solution is controlled by solenoid directional control valve (24), respectively from tool-electrode (17) internal inflow machining area, rush liquid in forming tool-electrode (17) and flow into machining area from guiding device along tool-electrode (17) outer wall, it is achieved outside tool-electrode, rushing liquid；After processing, produced waste liquid flow to turbid liquid bath (31) through discharging tube (35) from work nest (25), then is discharged to after filtering in clean liquid bath (27), thus realizes the purification of waste liquid and the recycling of working solution.
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