CN203636142U - Electric discharge machining device for silk-type metal material - Google Patents

Abstract

The utility model discloses a device for performing electrical discharge processing on filamentous metal materials, which comprises a processing power supply and a clamp electrode for clamping the filamentous metal material, and the two electrodes of the processing power supply are respectively connected with the clamp electrode and the plate electrode , conductive electromagnetic powder is arranged between the fixture electrode and the plate electrode, and also includes: a plate electrode arranged directly above the fixture electrode; a movable magnetic pole arranged directly above the plate electrode, and the magnetic pole can realize X Driven by a motion system that moves horizontally in two directions, Y and Y; a control system, the control system is connected with the processing power supply and the motion system through a circuit. The technical means of the utility model is simple and easy, and can be used to roughen, modify, strengthen or coat a large number of filamentous metal materials at one time. The utility model has high efficiency, low cost and positive technical effects.

Description

A device for electric discharge machining of filamentous metal materials

technical field

The utility model belongs to the field of electric processing, in particular to a device for performing electric discharge processing on filamentous metal materials.

Background technique

With the development of economy and technology, various filamentous metal materials have been widely used in production and life. Studies have shown that secondary processing of filamentous metal materials, such as coarsening Strengthening the filamentous metal material, or forming a coating on the surface of the filamentary metal material, can effectively improve the function of this type of material, which has great practical significance. However, the existing cutting, grinding, laser, water jet and other processing It is difficult to effectively perform secondary processing on filamentous metal materials by methods and means, so it is necessary to explore new technologies to meet the secondary processing requirements of such difficult-to-process filamentous metal materials.

EDM has been widely used in the industrial field, and can be used for forming parts, surface modification, strengthening, and manufacturing functional coatings on the surface of parts.

However, if the traditional forming electrode discharge machining method is used to process filamentous metal materials, it is required to manufacture rigid forming electrodes first. Forming electrodes are quite difficult to manufacture and install. In addition, different from ordinary parts, Filamentous metal materials have great flexibility, so it is difficult to fully and effectively process a large number of filamentous metal materials in one process by using rigid electrode EDM. Therefore, the forming electrode EDM method is used to process filamentous Metal materials are not only time-consuming and expensive, it is difficult to meet the needs of actual production.

Utility model content

In order to overcome the shortcomings and deficiencies of the prior art, the utility model provides a device for electric discharge machining of filamentous metal materials with simple structure, flexible application form and extremely low cost. the

The utility model is realized through the following technical solutions:

A device for performing electrical discharge machining on filamentous metal materials, including a processing power supply, a fixture electrode for clamping filamentous metal materials, and further comprising:

A plate electrode arranged directly above the fixture electrode, a conductive electromagnetic powder made of iron powder or nickel powder is arranged between the fixture electrode and the plate electrode, and the two electrodes of the processing power supply are respectively connected to the fixture electrode and the plate electrode connect;

The movable magnetic pole arranged directly above the plate electrode is driven by a motion system capable of horizontal movement in X and Y directions;

A control system, the control system is connected with the processing power supply and the motion system through a circuit.

Further, the motion system includes an X-axis motion system connected to the first motor, and a Y-axis motion system connected to the second motor.

Further, it also includes a magnetic powder supply system for supplementing conductive magnetic powder between the fixture electrode and the plate electrode, and the magnetic powder supply system is connected to the control system through a circuit.

The device provided by the utility model for electric discharge machining of filamentary metal materials comprises the following steps during operation:

(1) Clamp and fix the filamentary metal material on the fixture electrode in layers

(2) The conductive magnetic powder is filled between the fixture electrode and the plate electrode, and the conductive magnetic powder will automatically wrap around each layer of the wire-like metal material to be processed, and fully contact the surface of the wire-like metal material to be processed.

(3) The fixture electrode and the plate electrode are respectively connected to the two poles of the processing power supply. Under the action of the moving magnetic pole, the conductive magnetic powder moves relative to the surface of the wire-like metal material to be processed, and performs discharge processing on the wire-like metal material during the movement. Although the magnetic powder will be continuously consumed, it can be continuously replenished through the magnetic powder supply system, so that the processing can continue.

The device can be used to roughen, modify and strengthen a large number of filamentous metal materials at one time, and can also be used to simultaneously coat a large number of filamentary metal materials in one process.

During the processing, the processing degree and the specific processing area can be controlled by controlling the discharge parameters and motion parameters through the control system.

Compared with the prior art, the beneficial effects of the utility model are:

The conductive magnetic powder can be automatically coated on a certain amount of filamentous metal materials to be processed without special control. Carry out motion, and perform electric discharge machining on the filamentous metal material during the motion.

Both the conductive magnetic powder and the magnetic pole are easy to obtain and the price is low.

The utility model does not need to make and install complex electrodes, and the means are simple and easy, and can process a large number of filamentous metal materials at the same time in one process, so that an extremely fast processing speed can be obtained, which is beneficial to the improvement of filamentous metal materials. It is of positive significance to promote the industrial application of this type of material with high processing efficiency.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of an embodiment of the utility model.

Fig. 2 is a schematic cross-sectional view at A-A in Fig. 1 .

Fig. 3 is an enlarged schematic diagram of I in Fig. 1 .

In the figure: 1-filament metal material; 2-plate electrode; 3-conductive magnetic powder; 4-processing power supply; 5-fixture electrode; 6-magnetic pole; 7-X-axis motion system; 8-magnetic powder supply system; A motor; 10-control system; 11-Y-axis motion system; 12-second motor.

Detailed ways

As shown in Figures 1, 2, and 3, a device for performing electrical discharge machining on filamentous metal materials includes a processing power source 4, a fixture electrode 5 for clamping filamentous metal materials 1, and also includes:

The flat plate electrode 2 that is arranged on described fixture electrode 5 just above, is provided with the conductive magnetic powder 3 that is material with iron powder or nickel powder between described fixture electrode 5 and flat plate electrode 2, and described fixture electrode 5 is connected processing power source 4 Positive pole, the plate electrode 2 is connected to the negative pole of the processing power supply 4 (or according to the needs of actual processing, the fixture electrode 5 can also be connected to the negative pole of the processing power supply 4, and the plate electrode 2 is connected to the positive pole of the processing power supply 4);

A movable magnetic pole 6 arranged directly above the plate electrode 2, the magnetic pole 6 is driven by a motion system capable of horizontal movement in two directions of X and Y;

A control system 10, the control system 10 is connected with the processing power supply 4 and the motion system through a circuit.

The motion system includes an X-axis motion system 7 connected to the first motor 9 and a Y-axis motion system 11 connected to the second motor 12. During processing, the Y-axis motion system 11 and the X-axis motion system 7 drive the magnetic poles 6 moves, and the conductive magnetic powder 3 slides on the surface of the filamentous metal material 1 driven by the magnetic pole 6, and performs electric discharge machining on the filamentous metal material 1 covered by the magnetic powder during the movement.

It also includes a magnetic powder supply system 8 for supplementing conductive magnetic powder 3 between the clamp electrode 5 and the plate electrode 2. The magnetic powder supply system 8 is connected with the control system 10 through a circuit. During the electric discharge machining process of the magnetic powder, the conductive The discharge loss of the magnetic powder 3 can be supplemented by the magnetic powder supply system 8 .

The electric discharge machining device for filamentous metal materials provided by the utility model comprises the following steps during operation:

(1) The filamentous metal material 1 is clamped and fixed in layers in the cavity of the fixture electrode 5 .

(2) Fill the conductive magnetic powder 3 between the fixture electrode 5 and the plate electrode 2, the conductive magnetic powder 3 will automatically wrap around each layer of the filamentous metal material 1 to be processed, and fully mix with the filamentary metal material to be processed. Surface contact of material 1.

(3) The fixture electrode 5 and the plate electrode 2 are respectively connected to the positive and negative poles of the processing power supply 4. Under the action of the moving magnetic pole 6, the conductive magnetic powder 3 moves relative to the surface of the filamentous metal material 1 to be processed, and during the movement process In the discharge machining of the filamentary metal material 1, although the conductive magnetic powder 3 will be continuously consumed, it can be continuously replenished through the magnetic powder supply system 8, so that the processing process can continue.

Conductive electromagnetic powder can be discharged in air, argon and other gases, and can also be discharged in liquids such as deionized water and emulsion. This device can be used to roughen, modify and strengthen a large number of filamentous metal materials at one time. , can also be used to coat a large number of filamentous metal materials simultaneously in one process.

During the processing, the discharge parameters and motion parameters can be controlled by the control system 10 to control the processing degree and the specific processing area.

In order to meet different processing requirements during processing, the moving speed of the magnetic pole 6 can be adjusted through the control system 10 . In addition, the processing electric signal can be monitored through the data acquisition card to realize the control of the processing process.

Just can realize this patent preferably as mentioned above. ``

The above-mentioned embodiments of the present utility model are only examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the utility model shall be included in the protection scope of the claims of the utility model.

Claims (3)

1. to the discharge device of processing of thread metal material, comprise processing power source (4), jigs electrode (5) for the thread metal material of clamping (1), it is characterized in that, also comprise:

Be arranged on the plate electrode (2) directly over described jigs electrode (5), between described jigs electrode (5) and plate electrode (2), be provided with the conductive magnetic powder (3) taking iron powder or nickel powder as material, two electrodes of described processing power source (4) are connected with jigs electrode (5) and plate electrode (2) respectively;

Be arranged on directly over plate electrode (2), magnetic pole (6) movably, described magnetic pole (6) is driven by realizing the kinematic system that X, Y both direction move horizontally;

Control system (10), described control system (10) is connected with processing power source (4) and kinematic system by circuit.

According to claim 1 to thread metal material discharge processing device, it is characterized in that: described kinematic system comprises the X-axis kinematic system (7) being connected with the first motor (9), the Y-axis kinematic system (11) being connected with the second motor (12).

According to claim 1 to thread metal material discharge processing device, it is characterized in that: also comprise that described magnetic supply system (8) is connected by circuit with control system (10) for the magnetic supply system (8) to supplementing conductive magnetic powder (3) between described jigs electrode (5) and plate electrode (2).

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