CN103464845B - A kind of large-size multi-axis-linkage electrolytic machine tool - Google Patents

A kind of large-size multi-axis-linkage electrolytic machine tool Download PDF

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CN103464845B
CN103464845B CN201310374088.9A CN201310374088A CN103464845B CN 103464845 B CN103464845 B CN 103464845B CN 201310374088 A CN201310374088 A CN 201310374088A CN 103464845 B CN103464845 B CN 103464845B
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electrolyte
machine tool
axis
parameter
rotating disk
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CN103464845A (en
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赵建社
李龙
王福元
刘玉杰
刘青海
杨育平
徐家文
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Nanjing University of Aeronautics and Astronautics
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Nanjing University of Aeronautics and Astronautics
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Abstract

The invention discloses a kind of large-size multi-axis-linkage electrolytic machine tool, including machine body, the Electrolyzed Processing pulse power, electrolyte circulated filter system, integrated control system;Integrated control system can realize the integrating control of machine tool motion parameter, electrolyte parameter and pulse power parameters;Electrolyte circulated filter system adopts double loop parallel filtering electrolyte, and the electrolyte cleannes of input machining area are high, and have electrolyte parameter (temperature, concentration, pH value) automatic regulation function;Wherein, machine body includes lathe bed, horizontal table, rotating disk, main shaft, work box, machine tool outer casing, and lathe can realize five-axle linkage;Rotating disk is arranged below numerical control turntable, and work box is arranged with carriage, and when mounting and adjusting large-size workpiece and negative electrode, work box can be moved above machine tool outer casing by carriage;Horizontal table and rotating disk are arranged below preventer, can effectively be isolated with numerical control turntable and drive mechanism by electrolyte.

Description

A kind of large-size multi-axis-linkage electrolytic machine tool
Technical field
The present invention relates to a kind of large-size multi-axis-linkage electrolytic machine tool, belong to electrolytic machine tool field.
Background technology
Electrolyzed Processing is the processing method that a kind of principle utilizing Anodic to dissolve removes material, belongs to special process field.Electrolyzed Processing has the advantages such as working (machining) efficiency height, surface quality loss good, electrodeless, the range of work be wide, along with going deep into of electrochemical Machining Technology research, Electrolyzed Processing precision and stability is improved significantly, application is also more and more extensive, the processing of the integrated member being particularly suited in aerospace industry difficult-to-machine material and thin-wall construction.
Electrolyzed Processing equipment is mainly formed by machine body, electrolyte system, power-supply system and control system in combination, Electrolyzed Processing equipment domestic at present is relatively low in the integrating control degree of these systems, the motion control portion to machine body that control system refers to substantially, and power-supply system, electrolyte system and kinetic control system are substantially separate, this allows for electrochemical machining process needs several Collaborations to operate, and substantially increases the difficulty of operation.In addition; owing to each system is separate; suitable shutdown sequence can not be set; once occur abnormal in processing; equipment is difficult to stop in the way of a kind of optimum; the situation making tool cathode and workpiece hard contact and spark discharge occurs frequently, to cause the damage of negative electrode and workpiece, cause unnecessary economic loss.For above-mentioned present situation, inventors herein propose a kind of numerical control Electrolyzed Processing integrated control system as shown in Chinese Patent Application No. 201210573615.4 and control method thereof.
In electrochemical machining process, for different types of material, electric current and electrolyte parameter often demand required for Electrolyzed Processing are different, the emphasis of Machine Tool design domestic at present is all be in that to improve in the rigidity of machine tool mechanical structure division, for the research work of the power parameter and electrolyte parameter aspect that affect Electrolyzed Processing precision, less input, the difficulty of parameter tuning of the parameter especially electrolyte of equipment ubiquity Electrolyzed Processing, efficiency is low, therefore flexibility degree is relatively low, it is difficult to meet the process requirements of different materials, the utilization rate thus causing lathe is not high, when especially carrying out engineer testing, the time causing experiment early stage is long, inefficiency.For above-mentioned present situation, inventors herein propose a kind of Electrolyzed Processing electrolyte circulated filter system as shown in Chinese Patent Application No. 201210393387.2 and control method thereof.
Work box is by the place of Electrolyzed Processing, except location, installs work piece holder, negative electrode to guarantee that it is accurately except relative position, to be also incorporated into processing interstitial area by electric current, electrolyte with certain requirement.Must reliably sealing between work box standing part and each movable part, due to the particular/special requirement of seal aspect, the working place of current existing lathe work box is general excessively narrow and small, and the mounting and adjusting of work piece holder, tool cathode is caused certain inconvenience by this.Further, since the corrosivity of electrolyte, the numerical control turntable of electrolysis machine tool, drive mechanism etc. must effectively be isolated between non-stainless steel part and electrolyte.
Summary of the invention
The present invention is directed to current electrolysis process equipment flexibility degree low, machined parameters adjusts difficulty, and the shortcoming that integration degree is relatively low, utilize the numerical control Electrolyzed Processing integrated control system and control method thereof and Electrolyzed Processing electrolyte circulated filter system and control method thereof that have pointed out, a kind of Electrolyzed Processing parameter furnishing is proposed convenient, the large-size multi-axis-linkage electrolytic machine tool that integration degree is high, easy to operate.
The present invention adopts the following technical scheme that a kind of large-size multi-axis-linkage electrolytic machine tool, including machine body, the Electrolyzed Processing pulse power, electrolyte circulated filter system and integrated control system, it is characterized in that: described machine body includes lathe bed, horizontal table, rotating disk, main shaft, work box and machine tool outer casing, wherein horizontal table is arranged on above lathe bed, and realize X to motion by X to drive mechanism, rotating disk is arranged in horizontal table, and rotating disk realizes ct to rotation by ct below to slew gear;Main shaft is arranged on horizontal table side, and main shaft realizes cx to rotation, Y-direction and Z-direction motion by drive mechanism, and the motion in above five directions realizes five-axle linkage under integrated control system control;Described work box is arranged with carriage, and when mounting and adjusting large-size workpiece and negative electrode, described work box can be moved above machine tool outer casing by carriage;Described horizontal table and rotating disk are further arranged below the preventer isolated to drive mechanism by electrolyte with numerical control turntable and X.
Described X is directly driven ball screw assembly, to realize by servomotor by shaft coupling to motion, described ct includes ct servomotor and numerical control turntable to slew gear, rotating disk is connected by short axle with numerical control turntable, and ct is driven the worm-and-wheel gear in numerical control turntable to realize to gyration by ct servomotor;The cx that the motion of described main shaft includes arranging on rear side of main shaft is to slew gear, Y-direction drive mechanism and Z-direction drive mechanism, wherein, cx is realized to gyration by cx servomotor, and Y-direction motion and Z-direction motion directly drive ball screw assembly, to realize by servomotor by shaft coupling.
The carriage arranged under described work box includes slide block, line slide rail, support bar, work box gripper shoe it is provided with between described work box and slide block, described work box, slide block and work box gripper shoe are fixed by screws in together, being provided with line slide rail mounting seat between described line slide rail and support bar, described line slide rail, support bar and line slide rail mounting seat are fixed together also by screw.
The described preventer being arranged under horizontal table and rotating disk includes being arranged at the operation-table protective cover below horizontal table, is arranged at the operation panel protective cover below rotating disk, is arranged at X-axis slide carriage protective cover (5-4) above X-axis slide carriage, from operation-table protective cover behind the gap of electrolyte inflow rotating disk and horizontal table, between X-axis slide carriage protective cover and operation panel protective cover, enter lathe bed guard shield, finally flow into electrolyte circulated filter system.
Described integrated control system includes host computer, Feed Motion Control system, electrolyte parameter control system, pulse power source control system and data acquisition and procession system, described host computer is as control unit, set the kinematic parameter in Electrolyzed Processing, electrolyte parameter and power parameter, each parameter is accurately controlled by the data fed back by data collecting card in processing, show machined parameters signal in real time simultaneously, when the course of processing occurs abnormal, control each system out of service and report to the police.
nullThe electrolyte of electrochemical machining system output is transferred back to electrochemical machining system after being filtered again,The electrolyte of described electrochemical machining system output is divided into two loops,Wherein the first loop includes the filter of main pump and two-stage series connection,It regulates the flow of input machining area electrolyte according to the parameter that integrated control system sets、Pressure purifying electrolysis liquid,Second servo loop includes filter press、Flow transmitter,In order to electrolysate in electrolytic bath and impurity are pressed dry and discharge,Electrolytic bath is additionally provided with electrolyte parameter and controls system,Described electrolyte parameter controls system and includes the heat exchanger immersed in electrolyte、Temperature sensor、Concentration sensor、PH sensor and the pH value being connected with electrolytic bath with pipeline by electromagnetic valve adjust liquid bath、Concentration adjusts liquid bath,Described temperature sensor、Concentration sensor and PH sensor output signal pass to integrated control system by data collecting card,Integrated control system controls heat exchanger according to the signal gathered、PH value adjusts liquid bath and concentration to adjust liquid bath to regulate the parameter of electrolyte.
The described Electrolyzed Processing pulse power is high frequency pulse power supply, and described integrated control system arranges the frequency of the Electrolyzed Processing pulse power, pulsewidth and dutycycle.
Described large-size multi-axis-linkage electrolytic machine tool is additionally provided with low-voltage short-circuiting tool setting device, described low-voltage short-circuiting tool setting device includes low-voltage dc power supply, the both positive and negative polarity of described low-voltage dc power supply is connected with workpiece and negative electrode respectively through wire, is additionally provided with relay switch and current sensor between positive pole and the workpiece of described low-voltage dc power supply.
There is advantages that
(1), adopt can back-pushed work box for lathe of the present invention so that lathe has very big working place, facilitates installation and the adjustment of workpiece and negative electrode, is particularly suited for processing some large-scale parts;
(2), the horizontal table of lathe of the present invention and NC rotary table are connected with preventer; effectively electrolyte can be isolated to feed mechanism with numerical control turntable and X; thus avoiding electrolyte that to feed mechanism, numerical control turntable and X are caused corrosion, well protect numerical control turntable and X to drive mechanism;
(3), ct and the cx axle of lathe all adopts servomotor to realize rotating in the present invention, has positioning precision and the high advantage of resolution, and the integrated member that processing has free form surface can guarantee that significantly high precision;
(4), in the present invention, machine tool motion system, power-supply system, electrolyte filtering blood circulation achieve integrating control, three all can pass through industrial computer and realize controlling, which reduce operator's quantity, and pass through Collaborative Control, the exception protection in the course of processing can be realized, thus reducing economic loss;
(5), electrolyte circulated filter system of the present invention adopts double loop parallel filtering electrolyte, the electrolyte cleannes of input machining area are high, and there is electrolyte parameter (temperature, concentration, pH value) automatic regulation function, in device, the circulating filtration process of electrolyte is divided into coarse filtration and essence to filter two parts, effectively raising the efficiency of electrolyte filtering, what reduce electrolyte makes consumption.
Accompanying drawing explanation
Fig. 1 is large-size multi-axis-linkage electrolytic machine tool three dimensional structure schematic diagram of the present invention.
Fig. 2 is the machine body three dimensional structure schematic diagram of large-size multi-axis-linkage electrolytic machine tool of the present invention.
Fig. 3 is large-size multi-axis-linkage electrolytic machine tool motion tomograph of the present invention.
Fig. 4 is work box carriage partial 3 d sketch.
Fig. 5 is numerical control of machine tools rotary table and X to drive mechanism preventer schematic diagram.
Fig. 6 is numerical control of machine tools rotary table and X to drive mechanism preventer partial enlarged drawing.
Fig. 7 is large-size multi-axis-linkage electrolytic machine tool integrated control system sketch of the present invention.
Fig. 8 is electrolyte circulated filter system sketch.
Fig. 9 is large-size multi-axis-linkage electrolytic machine tool short circuit setting system sketch of the present invention.
nullWherein: 1-1-machine body、The 1-2-Electrolyzed Processing pulse power、1-3-electrolyte circulated filter system、1-4-integrated control system、2-1-lathe bed、2-2-horizontal table、2-3-rotating disk、2-4-main shaft、2-5-work box、2-6-machine tool outer casing、3-1-X direction guiding rail、3-2-ct servomotor、3-3-X is to ball screw assembly,、3-4-X axle slide carriage、3-5-X is to feed screw nut seat、3-6-numerical control turntable、3-7-X is to servomotor、3-8-cx servomotor、3-9-Y axle slide carriage、3-10-Y is to servomotor、3-11-Y direction guiding rail、3-12-crossbeam、3-13-Z is to servomotor、3-14-Z is to ball screw assembly,、3-15-balance weight、3-16-Z is to feed screw nut seat、3-17-Z direction guiding rail、3-18-Y is to feed screw nut seat、3-19-Y is to ball screw assembly,、3-20-column、4-1-work box gripper shoe、4-2-slide block、4-3-line slide rail、4-4 line slide rail mounting seat、4-5-support bar、5-1-operation panel protective cover、5-2-cushion block、5-3-operation-table protective cover、5-4-X axle slide carriage protective cover、5-5-lathe bed guard shield.
Detailed description of the invention
Refer to shown in Fig. 1, large-size multi-axis-linkage electrolytic machine tool of the present invention includes machine body 1-1, Electrolyzed Processing pulse power 1-2, electrolyte circulated filter system 1-3, integrated control system 1-4.
Refer to described in Fig. 2 and Fig. 3, machine body 1-1 includes lathe bed 2-1, horizontal table 2-2, rotating disk 2-3, main shaft 2-4, work box 2-5 and machine tool outer casing 2-6, rotating disk 2-3 and horizontal table 2-2 is marble material, rotating disk 2-3 is connected by short axle with numerical control turntable 3-6, above-mentioned numerical control turntable 3-6 global machine tool accessories company can buy from Yantai, lathe can realize five-axle linkage, and respectively the X of horizontal table 2-2 moves to rotation, Y-direction motion and Z-direction to the ct of motion, rotating disk 2-3 to the cx of rotation and main shaft 2-4.Work box 2-5 is arranged with carriage, and when installing workpiece and negative electrode, work box 2-5 can slide into above machine tool outer casing 2-6 along the line slide rail being fixed on lathe bed 2-1, is particularly suitable for installation and the adjustment of large-scale part.Described horizontal table 2-2 and rotating disk 2-3 is arranged below preventer, can effectively be isolated to drive mechanism with numerical control turntable 3-6 and X by electrolyte.Integrated control system 1-4 can realize the integrating control of machine tool motion parameter, electrolyte parameter and pulse power parameters.Electrolyte circulated filter system 1-3 adopts double loop parallel filtering electrolyte, and the electrolyte cleannes of input machining area are high, and have electrolyte parameter (temperature, concentration, pH value) automatic regulation function.
nullFig. 3 discloses large-size multi-axis-linkage electrolytic machine tool motion tomograph of the present invention,It illustrates the motion of this lathe,Horizontal table 2-2 and rotating disk 2-3 forms of motion are as follows: arrange X under horizontal table 2-2 to drive mechanism,It is secondary to ball-screw-transmission that described X has X to drive mechanism,X is connected to servomotor 3-7 with X by shaft coupling to the X in ball-screw-transmission pair to one end of ball screw assembly, 3-3,The other end is by the bearings being fixed on lathe bed,Described horizontal table 2-2 is arranged below numerical control turntable 3-6,Described numerical control turntable 3-6 is fixed with X-axis slide carriage 3-4 by screw,Described X-axis slide carriage 3-4 and X is connected by screw to the X in drive mechanism to feed screw nut seat 3-5 and can move by the X direction guiding rail 3-1 along lathe bed 2-1.Arranging ct under rotating disk 2-3 to slew gear, ct is driven the worm-and-wheel gear in numerical control turntable 3-6 to realize to gyration by ct servomotor 3-2.
In the present invention, main shaft 2-4 forms of motion is as follows: being provided with cx on rear side of main shaft 2-4 to slew gear, Y-direction drive mechanism and Z-direction drive mechanism, wherein the cx of main shaft is realized to gyration by the cx servomotor 3-8 being arranged in Y-axis slide carriage 3-9;It is secondary that described Y-direction drive mechanism has Y-direction ball-screw-transmission, one end of Y-direction ball screw assembly, 3-19 in described Y-direction ball-screw-transmission pair is connected with Y-direction servomotor 3-10 by shaft coupling, the other end is by the bearings being fixed on crossbeam 3-12, and described Y-axis slide carriage 3-9 and the Y-direction feed screw nut seat 3-18 in Y-direction drive mechanism is fixing by screw and can move along the Y-direction guide rail 3-11 being fixed on crossbeam 3-12;It is secondary that described Z-direction drive mechanism has Z-direction ball-screw-transmission, in described Z-direction ball-screw-transmission pair, one end of Z-direction ball screw assembly, 3-14 is connected with Z-direction servomotor 3-13 by shaft coupling, the other end is by the bearings being fixed on column 3-20, described crossbeam 3-12 and the Z-direction feed screw nut seat 3-16 in Z-direction transmission is fixing by screw and can move along the Z-direction guide rail 3-17 being fixed on column 3-20, balance weight 3-15, the described balance weight 3-15 drive mechanism for balancing main shaft 2-4 is set on rear side of described column 3-20.
Refer to Fig. 1 to Fig. 3 and in conjunction with shown in Fig. 4, for convenience of the mounting and adjusting of negative electrode and workpiece particularly large-size workpiece, as Fig. 2, the work box 2-5 of design can do moving of front and back along the line slide rail 4-3 being fixed on bed piece 2-1.When workpiece and negative electrode mounting and adjusting, being pushed into above machine tool outer casing 2-6 by work box 2-5, it is possible to make whole workbench exposed, operator can be at lathe front portion or left-right parts.Such as Fig. 4, described work box carriage includes slide block 4-2, line slide rail 4-3, support bar 4-5, wherein it is provided with work box gripper shoe 4-1 between work box 2-5 and slide block 4-2, three is fixed by screws in together, arranging line slide rail mounting seat 4-4 between line slide rail 4-3 and support bar 4-5, three is fixed together also by screw.
nullRefer to shown in Fig. 5 to Fig. 6,Certain interval is there is between horizontal table 2-2 and rotating disk 2-3,Owing to electrolyte has corrosivity,Carrying out electrolyte during Electrolyzed Processing can from the gap infiltration X between horizontal table 2-2 and rotating disk 2-3 to drive mechanism and numerical control turntable 3-6,Therefore described horizontal table 2-3 is arranged below operation-table protective cover 5-3,Rotating disk 2-3 is arranged below operation panel protective cover 5-1,X-axis slide carriage 3-4 is provided above X-axis slide carriage protective cover 5-4,Can from operation-table protective cover 5-3 behind the gap of electrolyte inflow rotating disk 2-3 and horizontal table 2-2、Lathe bed guard shield 5-5(is entered as shown by the arrows in Figure 6) between X-axis slide carriage protective cover 5-4 and operation panel protective cover 5-1,Finally flow into electrolyte circulated filter system 1-3,Electrolyte can be prevented effectively from by said apparatus and numerical control turntable 3-6 and X is caused corrosion to drive mechanism.
Refer to shown in Fig. 7, briefly introduce large-size multi-axis-linkage electrolytic machine tool integrated control system of the present invention, concrete control mode and method are referred to patent: a kind of numerical control Electrolyzed Processing integrated control system and control method (application number: 201210573615.4) thereof, and described integrated control system 1-4 includes host computer, Feed Motion Control system, electrolyte parameter control system, pulse power source control system and data acquisition and procession system.Wherein, host computer is as control unit, set the kinematic parameter in Electrolyzed Processing, electrolyte parameter and power parameter, each parameter is accurately controlled by the data fed back by data collecting card in processing, show machined parameters signal in real time simultaneously, when the course of processing occurs abnormal, control each system out of service and report to the police.The integrated control system 1-4 process characteristic according to Electrolyzed Processing, sets the priority of power-supply system, electrolyte circulated filter system and the work of machine tool motion system.Start to add man-hour, by electrolyte system, power-supply system, the work of machine tool motion system order;Process finishing or midway occur that when processing is abnormal, shutdown sequence is undertaken by machine tool motion system, power-supply system, electrolyte system order, it is possible to avoid the economic loss that the instrument caused by operational error and negative electrode rigid contact and short circuit ablation produce.
nullRefer to shown in Fig. 8,Briefly introduce this lathe electrolyte circulated filter system,Concrete device and control method are referred to patent: a kind of Electrolyzed Processing electrolyte circulated filter system and control method (application number: 201210393387.2) thereof,The electrolyte of electrochemical machining system output is transferred back to electrochemical machining system after being filtered again,The electrolyte of described electrochemical machining system output is divided into two loops,Wherein the first loop includes the filter of main pump and two-stage series connection,It regulates the flow of input machining area electrolyte according to the integrated control system 1-4 parameter set、Pressure purifying electrolysis liquid,Second servo loop includes filter press、Flow transmitter,In order to electrolysate in electrolytic bath and impurity are pressed dry and discharge,Electrolytic bath is additionally provided with electrolyte parameter and controls system,Described electrolyte parameter controls system and includes the heat exchanger immersed in electrolyte、Temperature sensor、Concentration sensor、PH sensor and the pH value being connected with electrolytic bath with pipeline by electromagnetic valve adjust liquid bath、Concentration adjusts liquid bath,Described temperature sensor、Concentration sensor and PH sensor output signal pass to integrated control system 1-4 by data collecting card,Integrated control system 1-4 controls heat exchanger according to the signal gathered、PH value adjusts liquid bath and concentration to adjust liquid bath to regulate the parameter of electrolyte.
Described Electrolyzed Processing power supply is high frequency pulse power supply, and integrated control system 1-4 can arrange the frequency of Electrolyzed Processing pulse power 1-2, pulsewidth and dutycycle.
Refer to shown in Fig. 9, illustrate electrolysis machine tool short circuit and cutter realizes process, cutter power supply, data collecting card, I/O interface card, current sensor and relay switch (dynamic circuit breaker) are made up of by short circuit setting system computer, low-voltage direct.To in cutter process, the motion of tool cathode opposite piece is controlled by computer, and utilize the current value of the real-time monitoring current sensor measurement of data collecting card, when tool cathode and workpiece contact with each other, the current sensor numerical value of data collecting card collection can be undergone mutation, this computer-chronograph sends signal, make motor system stop motion, computer also records the position data of now electrode, and disconnect relay, cutting off the electricity supply loop, computer controls negative electrode again and workpiece is separated from each other, and return back to cutter initial position.In order to ensure the precision to cutter, available computer carries out the method repeatedly cutter averaged, and during to cutter, should first ensure that the cleaning of negative electrode and surface of the work.
The above is only the preferred embodiment of the present invention, it is noted that for those skilled in the art, can also make some improvement under the premise without departing from the principles of the invention, and these improvement also should be regarded as protection scope of the present invention.

Claims (7)

1. a large-size multi-axis-linkage electrolytic machine tool, including machine body (1-1), the Electrolyzed Processing pulse power (1-2), electrolyte circulated filter system (1-3) and integrated control system (1-4), it is characterized in that: described machine body (1-1) includes lathe bed (2-1), horizontal table (2-2), rotating disk (2-3), main shaft (2-4), work box (2-5) and machine tool outer casing (2-6), wherein horizontal table (2-2) is arranged on lathe bed (2-1) top, and realize X to motion by X to drive mechanism, rotating disk (2-3) is arranged in horizontal table (2-2), rotating disk (2-3) realizes ct to rotation by ct below to slew gear;Main shaft (2-4) is arranged on horizontal table (2-2) side, main shaft (2-4) realizes cx to rotation, Y-direction and Z-direction motion by drive mechanism, and the motion in above five directions realizes five-axle linkage under integrated control system (1-4) controls;Described work box (2-5) is arranged with carriage, and when mounting and adjusting large-size workpiece and negative electrode, described work box (2-5) can be moved to machine tool outer casing (2-6) top by carriage;Described carriage includes slide block (4-2), line slide rail (4-3), support bar (4-5), work box gripper shoe (4-1) it is provided with between described work box (2-5) and slide block (4-2), described work box (2-5), slide block (4-2) and work box gripper shoe (4-1) are fixed by screws in together, line slide rail mounting seat (4-4) it is provided with between described line slide rail (4-3) and support bar (4-5), described line slide rail (4-3), support bar (4-5) and line slide rail mounting seat (4-4) are fixed together also by screw;Described horizontal table (2-2) and rotating disk (2-3) are further arranged below the preventer isolated to drive mechanism by electrolyte with numerical control turntable (3-6) and X.
2. a kind of large-size multi-axis-linkage electrolytic machine tool as claimed in claim 1, it is characterized in that: described X is directly driven ball screw assembly, to realize by servomotor by shaft coupling to motion, described ct includes ct servomotor (3-2) and numerical control turntable (3-6) to slew gear, rotating disk (2-3) is connected by short axle with numerical control turntable (3-6), and ct is driven the worm-and-wheel gear in numerical control turntable (3-6) to realize to gyration by ct servomotor (3-2);The cx that the motion of described main shaft (2-4) includes arranging at main shaft (2-4) rear side is to slew gear, Y-direction drive mechanism and Z-direction drive mechanism, wherein, cx is realized to gyration by cx servomotor (3-8), and Y-direction motion and Z-direction motion directly drive ball screw assembly, to realize by servomotor by shaft coupling.
3. a kind of large-size multi-axis-linkage electrolytic machine tool as claimed in claim 1 or 2, it is characterized in that: described in be arranged under horizontal table (2-2) and rotating disk (2-3) preventer include being arranged at the operation-table protective cover (5-3) of horizontal table (2-2) lower section, it is arranged at the operation panel protective cover (5-1) of rotating disk (2-3) lower section, it is arranged at X-axis slide carriage protective cover (5-4) of X-axis slide carriage (3-4) top, from operation-table protective cover (5-3) behind the gap of electrolyte inflow rotating disk (2-3) and horizontal table (2-2), lathe bed guard shield (5-5) is entered between X-axis slide carriage protective cover (5-4) and operation panel protective cover (5-1), finally flow into electrolyte circulated filter system (1-3).
4. a kind of large-size multi-axis-linkage electrolytic machine tool as claimed in claim 1 or 2, it is characterized in that: described integrated control system (1-4) includes host computer, Feed Motion Control system, electrolyte parameter controls system, pulse power source control system and data acquisition and procession system, described host computer is as control unit, set the kinematic parameter in Electrolyzed Processing, electrolyte parameter and power parameter, each parameter is accurately controlled by the data fed back by data collecting card in processing, show machined parameters signal in real time simultaneously, when the course of processing occurs abnormal, control each system out of service and report to the police.
null5. a kind of large-size multi-axis-linkage electrolytic machine tool as claimed in claim 1 or 2,It is characterized in that: the electrolyte of electrochemical machining system output is transferred back to electrochemical machining system after being filtered again,The electrolyte of described electrochemical machining system output is divided into two loops,Wherein the first loop includes the filter of main pump and two-stage series connection,It regulates the flow of input machining area electrolyte according to the parameter that integrated control system (1-4) sets、Pressure purifying electrolysis liquid,Second servo loop includes filter press、Flow transmitter,In order to electrolysate in electrolytic bath and impurity are pressed dry and discharge,Electrolytic bath is additionally provided with electrolyte parameter and controls system,Described electrolyte parameter controls system and includes the heat exchanger immersed in electrolyte、Temperature sensor、Concentration sensor、PH sensor and the pH value being connected with electrolytic bath with pipeline by electromagnetic valve adjust liquid bath、Concentration adjusts liquid bath,Described temperature sensor、Concentration sensor and PH sensor output signal pass to integrated control system (1-4) by data collecting card,Integrated control system (1-4) controls heat exchanger according to the signal gathered、PH value adjusts liquid bath and concentration to adjust liquid bath to regulate the parameter of electrolyte.
6. a kind of large-size multi-axis-linkage electrolytic machine tool as claimed in claim 1 or 2, it is characterized in that: the described Electrolyzed Processing pulse power (1-2) is high frequency pulse power supply, and described integrated control system (1-4) arranges the frequency of the Electrolyzed Processing pulse power (1-2), pulsewidth and dutycycle.
7. a kind of large-size multi-axis-linkage electrolytic machine tool as claimed in claim 1 or 2, it is characterized in that: described large-size multi-axis-linkage electrolytic machine tool is additionally provided with low-voltage short-circuiting tool setting device, described low-voltage short-circuiting tool setting device includes low-voltage dc power supply, the both positive and negative polarity of described low-voltage dc power supply is connected with workpiece and negative electrode respectively through wire, is additionally provided with relay switch and current sensor between positive pole and the workpiece of described low-voltage dc power supply.
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