CN204565359U - A kind of spherical cathode numerical control electrolytic machine tool - Google Patents

A kind of spherical cathode numerical control electrolytic machine tool Download PDF

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Publication number
CN204565359U
CN204565359U CN201520193406.6U CN201520193406U CN204565359U CN 204565359 U CN204565359 U CN 204565359U CN 201520193406 U CN201520193406 U CN 201520193406U CN 204565359 U CN204565359 U CN 204565359U
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travel
spherical cathode
machine tool
numerical control
spherical
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李方义
李法双
贾秀杰
王黎明
金湖
王一凡
李硕
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Shandong University
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Shandong University
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Abstract

The utility model relates to a kind of spherical cathode numerical control electrolytic machine tool.This lathe comprises lathe bed, and this lathe bed has straight line circle rail, and described lathe bed is provided with workbench, and workbench is provided with insulation board, insulation board with process that case is airtight is connected; Described straight line circle rail is provided with three axle travel mechanisms, and the Z-direction travel mechanism in the middle of three axle travel mechanisms is fixedly connected with to rotating mechanism with C, and C has clamped spherical cathode by fixture on rotating mechanism; Described spherical cathode is the round club shaped structure with bulb, and the bulb end of spherical cathode has multiple aperture, and spherical cathode inside is provided with the through hole be connected with described aperture; The side of described lathe bed is respectively equipped with electrolyte stocking mechanism and pumping mechanism, and the cell liquor pump in electrolyte storage device is delivered to the through hole of spherical cathode by pumping mechanism, then flows out from aperture; In the process that electrolyte flows out, spherical cathode completes the processing to workpiece in three axle travel mechanisms and C under the drive of rotating mechanism.

Description

A kind of spherical cathode numerical control electrolytic machine tool
Technical field
The utility model relates to Electrolyzed Processing field, specifically, relates to a kind of spherical cathode numerical control electrolytic machine tool.
Background technology
Electrochemical Machining Technology is that part shapes by the principle utilizing metal that anodic solution occurs in the electrolytic solution, the part made because tool cathode is lossless, without macroscopical cutting force, the various hard-cutting material of suitable processing and surface quality is good, obtains a large amount of application in manufacturing industry.Traditional Electrolyzed Processing adopts shaping negative electrode copy type to process mostly when processing cavity, profile, just can processed complex die cavity, profile with the simple feed motion in a direction.
But the design and manufacture of shaping negative electrode is difficult, and the manufacturing cycle is long, meanwhile, because cathode shape is complicated, working (finishing) area is large, influence factor is many, and the accuracy of repetition that copy type is processed, repeatable accuracy are all not too high.Especially to the irregular cavity processing in some mould complex profiles or thin-walled one-piece machine member, owing to being subject to the restriction of tool cathode rigidity and processing feeding mode, copy type Electrolyzed Processing has been difficult to processing.
Therefore, how designing a kind of lathe of brand new, realize the Electrolyzed Processing of the irregular cavity in complex profile or thin-walled one-piece machine member, is that those skilled in the art need solution badly.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provides a kind of spherical cathode numerical control electrolytic machine tool.Lathe provided by the utility model, realizes three-axis moving by control system control cathode, and can carry out the rotation of certain angle, thus completes the processing of highly difficult workpiece.
In order to reach above-mentioned purpose, the utility model adopts following technical scheme:
A kind of spherical cathode numerical control electrolytic machine tool, comprises lathe bed, and this lathe bed has straight line circle rail,
Described lathe bed is provided with workbench, and workbench is provided with insulation board, and case is airtight is connected for insulation board and processing;
Described straight line circle rail is provided with three axle travel mechanisms, and the Z-direction travel mechanism in the middle of three axle travel mechanisms is fixedly connected with to rotating mechanism with C, and C has clamped spherical cathode by fixture on rotating mechanism;
Described spherical cathode is the round club shaped structure with bulb, and the bulb end of spherical cathode has multiple aperture, and spherical cathode inside is provided with the through hole be connected with described aperture;
The side of described lathe bed is respectively equipped with electrolyte stocking mechanism and pumping mechanism, and the cell liquor pump in electrolyte storage device is delivered to the through hole of spherical cathode by pumping mechanism, then flows out from aperture; In the process that electrolyte flows out, spherical cathode completes the processing to workpiece in three axle travel mechanisms and C under the drive of rotating mechanism.
Preferably, described three axle travel mechanisms comprise X to travel mechanism, Y-direction travel mechanism and Z-direction travel mechanism; Y-direction travel mechanism is arranged on the straight line circle rail of lathe bed, and the top of Y-direction travel mechanism is provided with X to travel mechanism; X is provided with Z-direction travel mechanism to the front of travel mechanism, Z-direction travel mechanism is provided with C to rotating mechanism, and C drives fixture to rotate to rotating mechanism.
Preferably, described fixture comprises the seat of honour and lower seat, and the seat of honour is fixedly connected with lower seat; The described seat of honour has groove, and the centre of groove is the inner chamber for clamping spherical cathode, and the two sides of groove is provided with holes for clamping, and securing member reduces the clamping of sectional area realization to spherical cathode of inner chamber by the fastening seat of honour.
Preferably, described pumping mechanism comprises high-pressure pump frame, and high-pressure pump frame is provided with high-pressure pump, and electrolyte is pumped to the through hole of spherical cathode by high-pressure pump successively through overflow valve, pressure regulator valve, Pressure gauge and flowmeter.
Preferably, described electrolyte storing mechanism comprises Rose Box, and described Rose Box inside is filtered net and is divided into left box body and right case, and left box body is communicated with processing case, used electrolyte is back to left box body from processing case, again enters high-pressure pump after filtration after net filtration.
Preferably, described processing case is formed from a resin, and processing case is adhered on insulation board, is provided with the T-shaped base for holding workpiece in processing case.
Preferably, described X is all connected with control system with high-pressure pump to travel mechanism, Y-direction travel mechanism, Z-direction travel mechanism, C to rotating mechanism.Controlled the movement locus of bulb negative electrode by control system, the mode of processing with similar milling tool carries out Electrolyzed Processing to complex profile, avoids the design and fabrication of complicated negative electrode during copy type Electrolyzed Processing, improves the flexibility of Electrolyzed Processing.The area of bulb catholyte processing Direct Electrolysis processing is less in addition, can reduce the appearance of dispersion corrosion, improve machining accuracy.
Preferably, described X is provided with stop in travel mechanism, Y-direction travel mechanism and Z-direction travel mechanism.
Preferably, described X is ball-screw-transmission auxiliary structure to travel mechanism, Y-direction travel mechanism and Z-direction travel mechanism, and arbitrary ball-screw-transmission is secondary all by corresponding driven by servomotor.
Preferably, described high-pressure pump is non-self-priming centrifugal multistage pump multiple centrifugal pump, and pump case is 304 stainless steels.
The beneficial effects of the utility model are:
(1) adopt spherical cathode to control its movement locus by computer to realize along X, Y, the motion of Z axis and the rotation of C axle, die cavity is realized in the mode of electrolysis " cutting ", the processing of profile, this technological synthesis technical characterstic of digital control processing and Electrolyzed Processing, overcome again respective deficiency, can the motion of control cathode opposite piece be carried out by program and process complex profile, avoid the design and manufaction of complicated Shaped Cathode, production cycle is short, be suitable for the range of work wide, processing flexibility is large, can be used for small lot, multi items, in the production that single-piece is manufactured experimently even.
(2) the utility model can realize roughing to same workpiece, fine finishining and skin processing by regulating different technological parameter, eliminates workpiece and repeats to install the alignment error brought, improve the precision of processing.
(3) the utility model realizes the processing of workpiece by the mode of electrochemical dissolution, therefore the workpiece after processing does not have residual stress, hardened layer and metamorphic layer compared with the workpiece after machining, and the surface after processing does not have mechanical mark, and roughness is very low.Be conducive to realizing workpiece to be better on active service performance.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the structural representation of fixture in the utility model;
Fig. 3 is the structural representation of spherical cathode in the utility model;
Wherein: 1, lathe bed, 2, workbench, 3 straight lines circle rails, 4, insulation board, 5, processing case, 6, Y-direction travel mechanism, 7, X is to travel mechanism, and 8, control system, 9, Z-direction travel mechanism, 10, C is to servomotor, 11, C to rotating mechanism, 12, fixture, 13, spherical cathode, 14, processing power source, 15, feed tube, 16, Pressure gauge, 17, flowmeter, 18, high-pressure pump frame, 19, pressure regulator valve, 20, overflow valve, 21, high-pressure pump, 22, pipette, 23, Rose Box, 24, the seat of honour, 25, lower seat, 26, groove.
Detailed description of the invention
Below in conjunction with accompanying drawing, this programme is described in detail.
Embodiment 1: as Figure 1-3: a kind of spherical cathode numerical control electrolytic machine tool, comprises lathe bed 1, this lathe bed 1 has straight line circle rail 3,
Described lathe bed is provided with workbench 2, workbench 2 is provided with insulation board 4, and case 5 is airtight is connected for insulation board 4 and processing, realizes the insulation of workbench 2 and workpiece in processing case 5;
Described straight line circle rail 3 is provided with three axle travel mechanisms, Z-direction travel mechanism 9 in the middle of three axle travel mechanisms is fixedly connected with to rotating mechanism 11 with C, C has C to servomotor 10 and worm gearing to rotating mechanism 11, C drives fixture to rotate to servomotor 10 by worm and gear, realizes spherical cathode 13 and rotates.
Described spherical cathode 13 is the round club shaped structure with bulb, and the bulb end of spherical cathode 13 has multiple aperture, and spherical cathode 13 inside is provided with the through hole be connected with described aperture.The negative electrode of round bar part tap processing power source 14, workpiece connects anode, and electrolyte stream acts on workpiece through aperture.
The side of described lathe bed 1 is respectively equipped with electrolyte stocking mechanism and pumping mechanism, and the cell liquor pump in electrolyte storage device is delivered to the through hole of spherical cathode 13 by pumping mechanism, then flows out from aperture; In the process that electrolyte flows out, spherical cathode completes the processing to workpiece in three axle travel mechanisms and C under the drive of rotating mechanism 11.
Described three axle travel mechanisms comprise X to travel mechanism 7, Y-direction travel mechanism 6 and Z-direction travel mechanism 9; Y-direction travel mechanism 6 is arranged on the straight line circle rail 3 of lathe bed 1, it is secondary that Y-direction travel mechanism 6 has Y-direction ball-screw-transmission, ball-screw-transmission pair is connected with Y-direction stepper motor, to be moved and travel mechanism is provided with the collision that stroke that stop limits Y-direction prevents workpiece and lathe along the guide rail of Y-direction by control system 8 control realization spherical cathode 13.
The top of described Y-direction travel mechanism 6 is provided with X to travel mechanism 7; It is secondary to ball-screw-transmission that X has X to travel mechanism 7, ball-screw-transmission pair is connected to stepper motor with X, by control system 8 control realization spherical cathode 13 along X to guide rail move and travel mechanism be provided with stop limit X to stroke prevent the collision of workpiece and lathe.
Described X is provided with Z-direction travel mechanism 9 to the front of travel mechanism 7, Z-direction travel mechanism 9 has Z-direction ball-screw-transmission secondary, ball-screw-transmission pair is connected with Z-direction stepper motor, to be moved and travel mechanism is provided with the collision that stroke that stop limits Z-direction prevents workpiece and lathe along the guide rail of Z-direction by control system 8 control realization spherical cathode 13.
Described fixture 12 comprises the seat of honour 24 and lower seat 25, and the seat of honour 24 is fixedly connected with lower seat 25; The described seat of honour 24 has groove 26, and the centre of groove 26 is the inner chamber for clamping spherical cathode 13, and the two sides of groove 26 is provided with holes for clamping, and securing member reduces the clamping of sectional area realization to spherical cathode of inner chamber by the fastening seat of honour.
Described pumping mechanism comprises high-pressure pump frame 18, high-pressure pump frame 18 is provided with high-pressure pump 21, and electrolyte is pumped to the through hole of spherical cathode 13 by high-pressure pump 21 successively through overflow valve 20, pressure regulator valve 19, Pressure gauge 16 and flowmeter 17.
Described electrolyte storing mechanism comprises Rose Box 23, described Rose Box 23 inside is filtered net and is divided into left box body and right case, left box body is communicated with processing case 5, used electrolyte is back to left box body from processing case 5, again enter high-pressure pump 21 after net filtration after filtration, realize the filtration of electrolyte and Rose Box 23 left part space can realize greatly contamination precipitation effect in waste liquid.
High-pressure pump pipette 22 place is provided with the further filtration of double-filtration net realization to electrolyte, electrolyte stream on the right side of Rose Box 23 flows into processing case 5 through overflow valve 20, pressure regulator valve 19, Pressure gauge 16, flowmeter 17 and spherical cathode 13, finally flow back on the left of electrolyte tank, in filter box, screen pack realizes recycling on the right side of entering.High-pressure pump 21 adopts 304 stainless steels to make and realizes corrosion resistance, and overflow valve 20 realizes high pressure kicks protection high-pressure pump and normally works.
Described processing case 5 is formed from a resin, and processing case 5 is adhered on insulation board 4, is provided with the T-shaped base for holding workpiece in processing case 5.Processing case 5 afterbody leaves through hole, and the liquid after Electrolyzed Processing flows back to electrolyte filtering case 23 through this hole.T-shaped floor installation, processing case 5 inside and doing insulation processing, adopts T-shaped bolt increased pressure board mode to fix work piece, realizes the normal work of the insulating effect protection lathe to machine body.
Described X is all connected with control system 8 with high-pressure pump 21 to travel mechanism 7, Y-direction travel mechanism 6, Z-direction travel mechanism 9, C to rotating mechanism 11, the Electrolyzed Processing of movement locus realization to workpiece of spherical cathode is controlled by control system 8.Control system 8 can realize accurate control that is manual to each axle and programming.
Described processing power source 14 is high frequency pulse power supply, adopts air blast cooling.Can realize the defencive functions such as overvoltage, under-voltage, overheated, overcurrent, IGBT protection, protection module is not damaged, power safety is run and greatly increases the service life.
Described corrosion-resistant high-pressure pump 21 is non-self-priming centrifugal multistage pump multiple centrifugal pump.Select 304 stainless steels to make and realize corrosion-resisting function, motor shaft is directly connected with pump shaft by shaft coupling, impeller vane adopts corrosion resistant plate punch welding, on pump intake-outlet same straight line at the bottom of pump, electrolyte is pumped into pressure duct and flows through the adjustment that pressure regulator valve realizes electrolyte pressure by high-pressure pump, and pipe-line system self seal is better.
Spherical cathode numerical control electrolytic machine tool provided by the utility model, by the movement locus of computer control cathode, based on Anodic solution principle, realizes the processing of die cavity, profile in the mode of electrolysis " cutting ".This technological synthesis technical characterstic of digital control processing and Electrolyzed Processing, overcome again respective deficiency, can the motion of control cathode opposite piece be carried out by program and process complex profile, avoid the design and manufaction of complicated Shaped Cathode, production cycle is short, be suitable for the range of work wide, processing flexibility is large, can be used in the production of small lot, the trial-production of multi items, even single-piece.Moreover, in numerical control generate electrochemical machining process, greatly reduce compared with region negative electrode participating in process processes with traditional copy type, thus the impact of gas and the heat produced in electrolyte is significantly declined, thus can improve machining accuracy and surface quality.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of embodiment, General Principle as defined herein can when not departing from spirit or scope of the present utility model, realize in other embodiments, the part be not described in detail, for prior art, do not repeat at this.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and feature.

Claims (10)

1. a spherical cathode numerical control electrolytic machine tool, comprises lathe bed, and this lathe bed has straight line circle rail, it is characterized in that,
Described lathe bed is provided with workbench, and workbench is provided with insulation board, and case is airtight is connected for insulation board and processing;
Described straight line circle rail is provided with three axle travel mechanisms, and the Z-direction travel mechanism in the middle of three axle travel mechanisms is fixedly connected with to rotating mechanism with C, and C has clamped spherical cathode by fixture on rotating mechanism;
Described spherical cathode is the round club shaped structure with bulb, and the bulb end of spherical cathode has multiple aperture, and spherical cathode inside is provided with the through hole be connected with described aperture;
The side of described lathe bed is respectively equipped with electrolyte stocking mechanism and pumping mechanism, and the cell liquor pump in electrolyte storage device is delivered to the through hole of spherical cathode by pumping mechanism, then flows out from aperture; In the process that electrolyte flows out, spherical cathode completes the processing to workpiece in three axle travel mechanisms and C under the drive of rotating mechanism.
2. spherical cathode numerical control electrolytic machine tool according to claim 1, is characterized in that, described three axle travel mechanisms comprise X to travel mechanism, Y-direction travel mechanism and Z-direction travel mechanism; Y-direction travel mechanism is arranged on the straight line circle rail of lathe bed, and the top of Y-direction travel mechanism is provided with X to travel mechanism; X is provided with Z-direction travel mechanism to the front of travel mechanism, Z-direction travel mechanism is provided with C to rotating mechanism, and C drives fixture to rotate to rotating mechanism.
3. spherical cathode numerical control electrolytic machine tool according to claim 1 and 2, is characterized in that, described fixture comprises the seat of honour and lower seat, and the seat of honour is fixedly connected with lower seat; The described seat of honour has groove, and the centre of groove is the inner chamber for clamping spherical cathode, and the two sides of groove is provided with holes for clamping, and securing member reduces the clamping of sectional area realization to spherical cathode of inner chamber by the fastening seat of honour.
4. spherical cathode numerical control electrolytic machine tool according to claim 1 and 2, it is characterized in that, described pumping mechanism comprises high-pressure pump frame, high-pressure pump frame is provided with high-pressure pump, and electrolyte is pumped to the through hole of spherical cathode by high-pressure pump successively through overflow valve, pressure regulator valve, Pressure gauge and flowmeter.
5. spherical cathode numerical control electrolytic machine tool according to claim 4, it is characterized in that, described electrolyte storing mechanism comprises Rose Box, described Rose Box inside is filtered net and is divided into left box body and right case, left box body is communicated with processing case, used electrolyte is back to left box body from processing case, again enters high-pressure pump after filtration after net filtration.
6. spherical cathode numerical control electrolytic machine tool according to claim 1 and 2, is characterized in that, described processing case is formed from a resin, and processing case is adhered on insulation board, is provided with the T-shaped base for holding workpiece in processing case.
7. spherical cathode numerical control electrolytic machine tool according to claim 2, is characterized in that, described X is all connected with control system with high-pressure pump to travel mechanism, Y-direction travel mechanism, Z-direction travel mechanism, C to rotating mechanism.
8. spherical cathode numerical control electrolytic machine tool according to claim 7, is characterized in that, described X is provided with stop in travel mechanism, Y-direction travel mechanism and Z-direction travel mechanism.
9. spherical cathode numerical control electrolytic machine tool according to claim 8, it is characterized in that, described X is ball-screw-transmission auxiliary structure to travel mechanism, Y-direction travel mechanism and Z-direction travel mechanism, and arbitrary ball-screw-transmission is secondary all by corresponding driven by servomotor.
10. spherical cathode numerical control electrolytic machine tool according to claim 4, is characterized in that, described high-pressure pump is non-self-priming centrifugal multistage pump multiple centrifugal pump, and pump case is 304 stainless steels.
CN201520193406.6U 2015-04-01 2015-04-01 A kind of spherical cathode numerical control electrolytic machine tool Active CN204565359U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104741712A (en) * 2015-04-01 2015-07-01 山东大学 Spherical cathode numerical control electrochemical machining machine tool
CN105345186A (en) * 2015-12-02 2016-02-24 莱芜钢铁集团有限公司 Device and method for removing broken screw tap
CN106239341A (en) * 2016-08-30 2016-12-21 杭州向冉科技有限公司 Five-axle linkage electrolytically and mechanically combined curved surface polishing machine
CN110883393A (en) * 2019-12-06 2020-03-17 常州工学院 Cathode for large-cutting-depth numerical control electrolytic machining

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104741712A (en) * 2015-04-01 2015-07-01 山东大学 Spherical cathode numerical control electrochemical machining machine tool
CN105345186A (en) * 2015-12-02 2016-02-24 莱芜钢铁集团有限公司 Device and method for removing broken screw tap
CN106239341A (en) * 2016-08-30 2016-12-21 杭州向冉科技有限公司 Five-axle linkage electrolytically and mechanically combined curved surface polishing machine
CN110883393A (en) * 2019-12-06 2020-03-17 常州工学院 Cathode for large-cutting-depth numerical control electrolytic machining

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