CN203636141U - Electric discharge machining device for outer surface with complicated shape - Google Patents
Electric discharge machining device for outer surface with complicated shape Download PDFInfo
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- CN203636141U CN203636141U CN201320841464.6U CN201320841464U CN203636141U CN 203636141 U CN203636141 U CN 203636141U CN 201320841464 U CN201320841464 U CN 201320841464U CN 203636141 U CN203636141 U CN 203636141U
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Abstract
The utility model discloses an electric discharge machining device for an outer surface with a complicated shape, which comprises a processing power supply, a work piece clamp for work piece clamping as well as outer electrodes which are fixed around the outer surface of a work piece to be processed, wherein the inner wall has certain clearance with the outer edges of the work piece; a feeding system, wherein a motor is disposed on one end and an magnetic clamp which can move back and forth along a straight line within a preset journey scope as driven by the motor is disposed on the side wall; an annular magnetic pole set, which is firmly disposed on the magnetic pole clamp and encloses the outer wall of the outer edge electrodes at a certain interval; a control system which is connected to the motor and the processing power supply by a circuit; and two electrodes of the processing power supply are respectively connected to the work piece and the outer edge electrodes and electric conduction magnetic powder is disposed between the outer edge electrodes and the outer surface of the work piece to be processed. The electric discharge machining device in the utility model can be used for coarsening, modification and strengthening and so forth of the outer surfaces with the complicated shapes, can also be used for coating of the outer surfaces with the complicated shapes, and has high efficiency and low cost.
Description
Technical field
The utility model belongs to electric machining field, particularly a kind of to complex-shaped outer surface discharge processing device.
Background technology
Along with the development of economic technology, the various devices with complicated shape outer surface are widely used in producing and living, research shows, the outer surface of such devices is carried out to secondary operations processing, such as manufacture various micro-structurals on the outer surface of device, outer surface to device is strengthened, or form coating etc. on the outer surface of device, can effectively improve the function of such devices, there is great realistic meaning, for example, if can produce small structure at the fin outer surface that is applied to each industrial circle, just can effectively increase heat transfer surface area, thereby effectively improve the efficiency of conducting heat, but because this type of surperficial shape is very complicated, adopt existing cutting, grinding, laser, the processing methods such as water jet and means are difficult to effectively effective secondary operations be carried out in this type of surface, therefore need to explore the requirement that new technology meets the secondary operations of this type of difficult processing outer surface.
Spark erosion machining is widely used at industrial circle, can be used for part moulding, surface modification, strengthening and in piece surface manufacturing function coating etc.
If but adopt traditional shaped electrode discharge-treating method to process complex-shaped outer surface, requirement must first produce the shaped electrode of rigidity, because shaped electrode all has suitable difficulty aspect making, installation, also there is the loss of tool-electrode in edm process in addition, therefore adopts the outer surface of shaped electrode electric spark method machining shape complexity not only time-consuming but also with high costs.
If adopt the outer surface of the method machining shape complexity of Wire EDM, although the problem that can avoid expending a large amount of costs and carry out the making of shaped electrode, also can ignore the loss of tool-electrode to the impact of process, but the method process velocity is extremely low, be difficult to meet the needs of actual production.
Utility model content
For above-mentioned technical problem, the utility model is intended to solve the problems of the technologies described above at least to a certain extent.
The purpose of this utility model is to provide a kind of simple in structure, the outer surface to complex-shaped that efficiency is high, cost the is low device of processing that discharge.
The utility model adopts following technical scheme:
To the discharge device of processing of complex-shaped outer surface, comprise processing power source, work piece holder for clamping workpiece, also comprise:
Outer rim electrode, is fixed on the outer surface surrounding to be processed of workpiece by electrode holder, workpiece is surrounded to described outer rim electrode inner wall and workpiece outer rim certain gap that is separated by;
Feed system, one end of described feed system is provided with motor, sidewall be provided with under the driving of motor can be in predetermined stroke range along the magnetic pole fixture of straight reciprocating motion;
Annular magnetic pole group, is fixedly installed on described magnetic pole fixture, and is separated by certain interval and surrounds the outer wall of outer rim electrode, and can under the drive of magnetic pole fixture, do straight reciprocating motion along the axis of outer rim electrode;
Control system, is connected with motor and processing power source by circuit;
Two electrodes of described processing power source are connected with workpiece and outer rim electrode respectively, the conductive magnetic powder that to be provided with by iron powder or nickel powder between described outer rim electrode and the outer surface to be processed of workpiece be material.
Further, the bottom of described workpiece is also provided with the insulation barrier for isolating workpiece and outer rim electrode.
Further, between described work piece holder and the contact-making surface of workpiece, between outer rim electrode and the contact-making surface of electrode holder, be insulation.
Further, also comprise that described magnetic supply system is connected by circuit with control system to the magnetic supply system of supplementing conductive magnetic powder between outer rim electrode and the outer surface of workpiece.
Further, also comprise anti-powder cover, be arranged at the porch of the centre bore of described workpiece upper end.
Compared with prior art, the beneficial effects of the utility model are: conductive magnetic powder can automatically adapt to and be attached on complex-shaped outer surface of workpiece, without controlling especially, be attached at the magnetic of surface of the work can be under the drive of magnetic pole group relatively surface of the work move, and in the process of motion to the surface of the work processing of discharging.
Conductive magnetic powder and magnetic pole all obtain conveniently, cheap.
The utility model is without the fabrication and installation of carrying out complicated electrode, means are simple and easy to do, and can have larger working (finishing) area, thereby can obtain the process velocity being exceedingly fast, to improving the working (machining) efficiency of the part with complicated shape outer surface, promote the commercial Application of such part to there is positive meaning.
The art of this patent means are simple and easy to do, have positive technique effect.
Brief description of the drawings
Fig. 1 is the structural scheme of mechanism of the utility model embodiment 1.
Fig. 2 is A-A place cross-sectional schematic in Fig. 1.
Fig. 3 is the local enlarged diagram in I place in Fig. 2.
In figure: 1-workpiece; 2-outer rim electrode; 3-conductive magnetic powder; 4-processing power source; 5-insulation barrier; 6-magnetic pole group; 7-magnetic pole fixture; 8-magnetic supply system; 9-work piece holder; 10-electrode holder; 11-control system; 12-feed system; 13-motor; 14-workbench; The anti-powder cover of 15-.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, utility model object of the present utility model is described in further detail, embodiment can not repeat one by one at this, but therefore embodiment of the present utility model is not defined in following examples.
Embodiment:
As shown in Figures 1 and 3, a kind of the discharge device of processing of complex-shaped outer surface is comprised to processing power source 4, work piece holder 9 for clamping workpiece 1, also comprises:
Annular magnetic pole group 6, is fixedly installed on described magnetic pole fixture 7, and is separated by certain interval and surrounds the outer wall of outer rim electrode 2, and can under the drive of magnetic pole fixture 7, do straight reciprocating motion along the axis of outer rim electrode 2;
Two electrodes of described processing power source 4 are connected with workpiece 1 and outer rim electrode 2 respectively, the conductive magnetic powder 3 that to be provided with by iron powder or nickel powder between described outer rim electrode 2 and the outer surface to be processed of workpiece 1 be material.
Further, the bottom of described workpiece 1 is also provided with the insulation barrier 5 for isolating workpiece 1 and outer rim electrode 2.
Further, between described work piece holder 9 and the contact-making surface of workpiece 1, between outer rim electrode 2 and the contact-making surface of electrode holder 10, be insulation.
Further, also comprise that described magnetic supply system 8 is connected by circuit with control system 11 to the magnetic supply system 8 of supplementing conductive magnetic powder 3 between outer rim electrode 2 and the outer surface of workpiece 1.
Further, also comprise anti-powder cover 15, be arranged at the porch of the centre bore of described workpiece 1 upper end.
Discharge operating process and the operation principle of device of processing of the outer surface to complex-shaped that the present embodiment provides is as follows:
(1) by work piece holder 9, workpiece 1 is fixed on workbench 14, by electrode holder 10, outer rim electrode 2 is fixed on coaxially to the outer surface surrounding to be processed of workpiece 1;
(2) between outer rim electrode 2 and workpiece 1 outer surface to be processed, supply appropriate conductive magnetic powder 3 by magnetic supply system 8, conductive magnetic powder 3 and workpiece 1 outer surface to be processed are effectively fitted.
(3) in process, workpiece 1 connects the positive pole of processing power source 4, and outer rim electrode 2 connects the negative pole (or according to the needs of reality processing, workpiece 1 also can connect the negative pole of processing power source 4, and outer rim electrode 2 connects the positive pole of processing power source 4) of processing power source 4;
(4) in process, magnetic pole group 6 is fixed on magnetic pole fixture 7, feed system 12 drives magnetic pole fixture 7 to drive magnetic pole group 6 to carry out rectilinear motion, conductive magnetic powder 3 slides under the drive of magnetic pole group 6 on the outer surface to be processed of workpiece 1, and form spark discharge effect in the outer surface of laminating with it, thereby realize to workpiece 1 outer surface discharge process object, in processing, can pass through controlled discharge parameter, as electric discharge machining voltage, electric discharge processing electric current, pulse width, pulse spacing etc. are controlled processing stage.
In the electric discharge machining process of conductive magnetic powder 3, the discharge loss of conductive magnetic powder 3, can supplement conductive magnetic powder 3 by magnetic supply system 8, and the amount of the supplementary conductive magnetic powder 3 of magnetic supply system 8 can be controlled by control system 11 according to actual processing situation.
In process, conductive magnetic powder 3 can adapt to the outer surface of workpiece of various complicated shapes automatically, in the relative motion process on conductive magnetic powder 3 and workpiece 1 surface, to the processing of discharging of the outer surface of workpiece 1.
Conductive magnetic powder can discharge in the gas such as air, argon gas, also can in the liquid such as deionized water, emulsion, discharge, this device can be used for alligatoring, modification, strengthening of various complex-shaped outer surfaces etc., also can be used for various complex-shaped outer surfaces to apply.
In process, although the magnetic between outer rim electrode 2 and workpiece 1 can constantly be discharged effect and remove, but conductive magnetic powder 3 can constantly supplement by magnetic supply system 8, conductive magnetic powder can be kept and the fit-state of surface of the work effectively, thereby ensure that processing can continue to carry out.
The anti-powder cover 15 that is arranged on the porch of the centre bore of workpiece 1 upper end in process can effectively prevent that conductive magnetic powder 3 from entering the endoporus of workpiece.
Work in-process is to adapt to different processing request, the movement velocity of magnetic pole group 6 can by control system 11 to motor 13 be used for regulate.In addition, can monitor the processing signal of telecommunication by data collecting card, to realize the control to process.
Above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.All any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in the protection domain of the utility model claim.
Claims (5)
1. to the discharge device of processing of complex-shaped outer surface, comprise processing power source (4), work piece holder (9) for clamping workpiece (1), it is characterized in that, also comprise:
Outer rim electrode (2), be fixed on the outer surface surrounding to be processed of workpiece (1) by electrode holder (10), workpiece (1) is surrounded to described outer rim electrode (2) inwall and workpiece (1) outer rim certain gap that is separated by;
Feed system (12), one end of described feed system (12) is provided with motor (13), sidewall be provided with under the driving of motor (13) can be in predetermined stroke range along the magnetic pole fixture (7) of straight reciprocating motion;
Annular magnetic pole group (6), be fixedly installed on described magnetic pole fixture (7), and be separated by certain interval and surround the outer wall of outer rim electrode (2), and can under the drive of magnetic pole fixture (7), do straight reciprocating motion along the axis of outer rim electrode (2);
Control system (11), is connected with motor (13) and processing power source (4) by circuit;
Two electrodes of described processing power source (4) are connected with workpiece (1) and outer rim electrode (2) respectively, the conductive magnetic powder (3) that to be provided with by iron powder or nickel powder between described outer rim electrode (2) and the outer surface to be processed of workpiece (1) be material.
2. according to claim 1 to the discharge device of processing of complex-shaped outer surface, it is characterized in that: the bottom of described workpiece (1) is also provided with the insulation barrier (5) for isolating workpiece (1) and outer rim electrode (2).
3. according to claim 1 to the discharge device of processing of complex-shaped outer surface, it is characterized in that: between described work piece holder (9) and the contact-making surface of workpiece (1), be insulation between outer rim electrode (2) and the contact-making surface of electrode holder (10).
According to claim 1 to complex-shaped outer surface discharge processing device, it is characterized in that: also comprise that described magnetic supply system (8) is connected by circuit with control system (11) to the magnetic supply system (8) of supplementing conductive magnetic powder (3) between outer rim electrode (2) and the outer surface of workpiece (1).
According to claim 1 to complex-shaped outer surface discharge processing device, it is characterized in that: also comprise dust cover (15), be arranged at the porch of the centre bore of described workpiece (1) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320841464.6U CN203636141U (en) | 2013-12-19 | 2013-12-19 | Electric discharge machining device for outer surface with complicated shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320841464.6U CN203636141U (en) | 2013-12-19 | 2013-12-19 | Electric discharge machining device for outer surface with complicated shape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203636141U true CN203636141U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320841464.6U Withdrawn - After Issue CN203636141U (en) | 2013-12-19 | 2013-12-19 | Electric discharge machining device for outer surface with complicated shape |
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| Country | Link |
|---|---|
| CN (1) | CN203636141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692034A (en) * | 2013-12-19 | 2014-04-02 | 华南理工大学 | Device for conducting electrical discharge machining on outer surface with complex shape |
-
2013
- 2013-12-19 CN CN201320841464.6U patent/CN203636141U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692034A (en) * | 2013-12-19 | 2014-04-02 | 华南理工大学 | Device for conducting electrical discharge machining on outer surface with complex shape |
| CN103692034B (en) * | 2013-12-19 | 2016-01-06 | 华南理工大学 | A kind of device complex-shaped outer surface being carried out to electric discharge processing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140611 Effective date of abandoning: 20160106 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |