Electrode device for electric discharge machining and electric discharge machining device

Abstract

The present application relates to an electrode device for electric discharge machining and an electric discharge machining device. The electrode device for electric discharge machining comprises a planar substrate, a first electrode plate attached to one of two opposite sides of the planar substrate, the first plate shape having at least one edge, a first electrode provided on a radially outer side of the at least one edge facing the first electrode plate, the first electrode having a first electrode shape matching a shape of a first machining feature of a workpiece to be electric discharge machined, and a second electrode plate attached to the other of the two opposite sides of the planar substrate, the second plate shape having at least one edge, a second electrode provided on a radially outer side of the at least one edge facing the second electrode plate, the second electrode having a second electrode shape matching a shape of a second machining feature of the workpiece. The technical solution improves the electrode structure and allows simultaneous machining of multiple workpieces.

Description

Technical Field

[0001] This application relates to the field of electrical discharge machining. Specifically, this application relates to electrode devices and electrical discharge machining apparatus for electrical discharge machining. Background Technology

[0002] Electrical discharge machining (EDM) utilizes pulsed discharges between electrodes immersed in a working fluid and the workpiece to remove material from the workpiece surface through an electrochemical reaction. EDM is suitable for machining workpieces with high hardness and high conductivity.

[0003] EDM (Engineering, Manufacturing, and Distribution) processing is typically single-piece processing, meaning that only one workpiece is processed at a time, and the process is completed in units of time. While this processing method can meet the needs of small-batch processing, it can lead to insufficient production line capacity when faced with large-volume orders, making it impossible to meet order delivery time or affecting the production resources and delivery needs of other products.

[0004] Currently, EDM processing technology still uses existing single-piece processing solutions, and only optimizes the processing program parameters. Summary of the Invention

[0005] New technologies and processes are needed to optimize machining solutions to meet higher production demands. An improved EDM machining tool with an improved electrode chuck structure and a multi-part machining solution are proposed.

[0006] This application provides an electrode device and an electrical discharge machining apparatus for electrical discharge machining, so as to at least solve the problem that multiple workpieces cannot be processed simultaneously in the prior art.

[0007] According to one aspect of the embodiments of this application, an electrode device for electrical discharge machining is provided, comprising: a planar substrate having two opposing sides; a first electrode plate having a first flat plate shape, the first electrode plate being attached to one of the two opposing sides of the planar substrate, the first flat plate shape having at least one edge, a first electrode being provided on the radially outer side of the at least one edge toward the first electrode plate, the first electrode having a first electrode shape matching the shape of a first machining feature of a workpiece to be electrically discharged; and a second electrode plate having a second flat plate shape, the second electrode plate being attached to the other of the two opposing sides of the planar substrate, the second flat plate shape having at least one edge, a second electrode being provided on the radially outer side of the at least one edge toward the second electrode plate, the second electrode having a second electrode shape matching the shape of a second machining feature of the workpiece to be electrically discharged.

[0008] In this way, separately set electrodes for processing different features are integrated on the left and right sides of the same electrode plate, making the electrodes more secure and saving electrode material. At the same time, the electrode can be used to process multiple features simultaneously, improving processing efficiency.

[0009] According to an exemplary embodiment of this application, the first electrode and the second electrode face the same direction.

[0010] In this way, different features of the workpiece can be processed by translating the electrode device.

[0011] According to an exemplary embodiment of this application, the first plate shape and the second plate shape are quadrilaterals. The first plate shape has a first electrode on each of the four sides facing the radial outer side of the first electrode plate, and the second plate shape has a second electrode on each of the four sides facing the radial outer side of the second electrode plate.

[0012] In this way, each side of the electrode assembly provides a backup electrode. When the electrode on one side is worn out and can no longer be used for processing, the electrode assembly can be rotated to face the electrode on the other side toward the workpiece, allowing processing of the workpiece to continue.

[0013] According to an exemplary embodiment of this application, an electrode device fixing member is provided at the center of the axial outer side of the first electrode plate or the second electrode plate. The electrode device fixing member is used to fix the electrode device on the electrode fixing arm of the machine tool carrying the electrode device for electrical discharge machining.

[0014] In this way, the electrode device can be mounted on the machine tool and moved to the position of the feature to be processed on the workpiece as the machine tool moves.

[0015] According to an exemplary embodiment of this application, the electrode device further includes: a tool setting reference member for tool setting operation of the electrode device in electrical discharge machining. The tool setting reference member is a platform that protrudes axially outward from the first electrode plate or the second electrode plate. The platform has a quadrilateral shape corresponding to the shape of the first plate and the shape of the second plate. The quadrilateral of the platform has the same center as the quadrilateral of the first plate shape and the shape of the second plate.

[0016] This method facilitates the positioning of the electrode device to the zero position in space at the start of the processing operation, thereby improving the accuracy of the processing.

[0017] According to an exemplary embodiment of this application, the planar substrate, the first electrode plate, and the second electrode plate are integrally formed of a conductive material.

[0018] In this way, the electrode device can conduct electricity, thereby enabling electrical discharge machining by generating an electric spark.

[0019] According to another aspect of the embodiments of this application, an electrical discharge machining (EDM) apparatus is also provided, comprising: a main body having an elongated shape, a machine tool fixing member being provided in the middle of the elongated shape of the main body, the machine tool fixing member fixing the main body to a moving part of a machine tool, the moving part moving to a position according to a machining program setting; an electrode fixing arm, including at least a reference electrode fixing arm, disposed at one end of the elongated shape of the main body, extending in a direction perpendicular to the elongated shape, the reference electrode fixing arm including a reference arm main body connecting end connected to the main body and a reference arm electrode fixing end for fixing an electrode, the reference arm electrode fixing end being provided with an electrode device assembly, the electrode device assembly assembling an electrode device for EDM; and an electrode device for EDM, comprising: a planar substrate, the planar substrate having two Opposite sides; a first electrode plate having a first flat plate shape, the first electrode plate being attached to one of the two opposite sides of a planar substrate, the first flat plate shape having at least one edge, a first electrode being provided on the radially outer side of the at least one edge toward the first electrode plate, the first electrode having a first electrode shape, the first electrode shape matching the shape of a first processing feature of a workpiece to be processed by electrical discharge machining; and a second electrode plate having a second flat plate shape, the second electrode plate being attached to the other of the two opposite sides of a planar substrate, the second flat plate shape having at least one edge, a second electrode being provided on the radially outer side of the at least one edge toward the second electrode plate, the second electrode having a second electrode shape, the second electrode shape matching the shape of a second processing feature of a workpiece to be processed by electrical discharge machining.

[0020] In this way, separately set electrodes for processing different features are integrated on the left and right sides of the same electrode plate, making the electrodes more secure and saving electrode material. At the same time, the electrode can be used to process multiple features simultaneously, improving processing efficiency.

[0021] According to an exemplary embodiment of this application, the first electrode and the second electrode face the same direction.

[0022] In this way, different features of the workpiece can be processed by translating the electrode device.

[0023] According to an exemplary embodiment of this application, the first plate shape and the second plate shape are quadrilaterals. The first plate shape has a first electrode on each of the four sides facing the radial outer side of the first electrode plate, and the second plate shape has a second electrode on each of the four sides facing the radial outer side of the second electrode plate.

[0024] In this way, each side of the electrode assembly provides a backup electrode. When the electrode on one side is worn out and can no longer be used for processing, the electrode assembly can be rotated to face the electrode on the other side toward the workpiece, allowing processing of the workpiece to continue.

[0025] According to an exemplary embodiment of this application, an electrode device fixing member is provided at the center of the axial outer side of the first electrode plate or the second electrode plate, and the electrode device fixing member is used to fix the electrode device on the electrode fixing arm.

[0026] In this way, the electrode device can be mounted on the machine tool and moved to the position of the feature to be processed on the workpiece as the machine tool moves.

[0027] According to an exemplary embodiment of this application, the electrode device further includes: a tool setting reference member for tool setting operation of the electrode device in electrical discharge machining. The tool setting reference member is a platform that protrudes axially outward from the first electrode plate or the second electrode plate. The platform has a quadrilateral shape corresponding to the shape of the first plate and the shape of the second plate. The quadrilateral of the platform has the same center as the quadrilateral of the first plate shape and the shape of the second plate.

[0028] This method facilitates the positioning of the electrode device to the zero position in space at the start of the processing operation, thereby improving the accuracy of the processing.

[0029] According to an exemplary embodiment of this application, the electrode fixing arm further includes: at least one additional electrode fixing arm, which is disposed on the body at predetermined intervals along the elongated shape of the body from the reference electrode fixing arm toward the other end of the body. Each additional electrode fixing arm includes an additional arm body connecting end connected to the body and an additional arm electrode fixing end for fixing the electrode. The additional arm electrode fixing end is provided with an additional electrode device assembly, and the additional electrode device assembly assembles an additional electrode device.

[0030] In this way, the electrical discharge machining (EDM) device can carry multiple electrode devices to process multiple workpieces simultaneously, thereby improving processing efficiency.

[0031] According to an exemplary embodiment of this application, a reference arm adjustment mechanism is provided at the reference arm main body connection end of the reference electrode fixing arm. The reference arm adjustment mechanism is used to adjust the position of the reference electrode fixing arm along the length and width directions of the elongated shape of the main body.

[0032] In this way, fine-tuning of the reference electrode fixing arm is allowed, making it easy to move the electrode device carried by the reference electrode fixing arm to the desired position.

[0033] According to an exemplary embodiment of this application, the additional electrode fixing arm is provided with an additional arm adjustment mechanism at the additional arm main body connection end. The additional arm adjustment mechanism is used to adjust the position of the additional electrode fixing arm along the length and width directions of the elongated shape of the main body.

[0034] In this way, fine-tuning of the additional electrode fixing arm is allowed, making it easy to move the electrode device carried by the additional electrode fixing arm to the desired position.

[0035] According to an exemplary embodiment of this application, the electrical discharge machining apparatus further includes: one or more workpiece fixing platforms disposed below the main body and facing the reference electrode fixing arm and the additional electrode fixing arm, wherein the workpiece fixing platform includes: a workpiece fixing member for fixing the workpiece to be machined by the electrode device on the workpiece fixing platform, and a tool setting standard block disposed at a predetermined position on one side of the workpiece fixing member, the tool setting standard block cooperating with the tool setting reference member of the electrode device to define the spatial position zero point of the electrode device during the tool setting operation.

[0036] In this way, the workpiece to be processed is fixed at the position corresponding to each electrode device. By adjusting the electrode device carried by the reference electrode fixing arm to the zero point of the spatial position during the tool setting operation, and adjusting the electrode device carried by the additional electrode fixing arm to the position corresponding to the feature to be processed of the corresponding workpiece, the features to be processed of multiple workpieces can be accurately processed at the same time. Moreover, after moving the moving arm of the machine tool, other features to be processed of multiple workpieces can be accurately processed at the same time.

[0037] According to an exemplary embodiment of this application, the planar substrate, the first electrode plate, and the second electrode plate are integrally formed of conductive material, and the electrode fixing arm is formed of conductive material.

[0038] In this way, the electrode device can conduct electricity, thereby enabling electrical discharge machining by generating an electric spark.

[0039] In this embodiment, multiple electrodes for processing different features of the workpiece are combined into a single integrated electrode, and the structure of the electrode device and processing apparatus adapted to this integrated electrode is redesigned. Based on the improved structure, an improved processing technology is used, thereby optimizing machine time, structure, and processing technology, and improving processing efficiency. Attached Figure Description

[0040] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0041] Figure 1 This is a schematic diagram of an electrode device according to an embodiment of this application;

[0042] Figure 2 This is a schematic diagram of the side of an electrode device according to an exemplary embodiment of this application;

[0043] Figure 3 This is a schematic diagram of a tool setting reference member of an electrode device according to an exemplary embodiment of this application;

[0044] Figure 4 This is a schematic diagram of an electrical discharge machining apparatus according to an embodiment of this application;

[0045] Figure 5 This is a schematic diagram showing the positions of the electrode device according to an exemplary embodiment of this application when processing different features of a workpiece;

[0046] Figure 6 This is a schematic diagram of an electrical discharge machining apparatus according to an exemplary embodiment of this application;

[0047] Figure 7 This is a schematic diagram of another electrical discharge machining apparatus according to an exemplary embodiment of this application.

[0048] Explanation of reference numerals in the attached figures:

[0049] 10. Electrical discharge machining apparatus;

[0050] 100, Electrode device;

[0051] 110, planar substrate;

[0052] 111, First electrode;

[0053] 130, First electrode plate;

[0054] 150, second electrode plate;

[0055] 151, Second electrode;

[0056] 170, Electrode device fixing component;

[0057] 190, tool setting reference component;

[0058] 200, main body;

[0059] 210, Machine tool fasteners;

[0060] 230, Electrode fixing arm;

[0061] 231, Reference electrode fixing arm;

[0062] 231', Additional electrode retaining arm;

[0063] 233, Reference arm main body connection end;

[0064] 233', Extra arm main body connection end;

[0065] 235, Reference arm electrode fixed end;

[0066] 235', Additional arm electrode fixing end;

[0067] 237, Electrode assembly;

[0068] 250, a platform for fixing machined parts;

[0069] 253, tool setting standard block;

[0070] 300, workpiece;

[0071] 330, the first characteristic;

[0072] 350, second characteristic. Detailed Implementation

[0073] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0074] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or device that comprises a series of steps, modules, or units is not necessarily limited to those explicitly listed, but may include other steps, modules, or units not explicitly listed or inherent to such processes, methods, products, or devices.

[0075] According to an embodiment of this application, an electrode device for electrical discharge machining is provided. Figure 1 This is a schematic diagram of an electrode device according to an embodiment of this application. Figure 1 The electrode device 100 for electrical discharge machining shown includes: a planar substrate 110, a first electrode plate 130, and a second electrode plate 150. The planar substrate 110 is sandwiched between the first electrode plate 130 and the second electrode plate 150.

[0076] The planar substrate 110 has two opposite sides.

[0077] The first electrode plate 130 has a first flat plate shape. The first electrode plate 130 is attached to one of the two opposite sides of the planar substrate 110. The first flat plate shape has at least one edge, and a first electrode 111 is provided on the radially outer side of the at least one edge toward the first electrode plate. The first electrode 111 has a first electrode shape, which matches the shape of a first processing feature of the workpiece to be processed by electrical discharge machining.

[0078] The second electrode plate 150 has a second flat plate shape. The second electrode plate 150 is attached to the other side of two opposing sides of the planar substrate 110. The second flat plate shape has at least one edge, and a second electrode 151 is provided on the radially outer side of the at least one edge toward the second electrode plate. The second electrode 151 has a second electrode shape, which matches the shape of a second processing feature of the workpiece to be processed by electrical discharge machining.

[0079] In this way, separately configured electrodes for processing different features are integrated onto the left and right sides of the same electrode plate. This results in more stable electrode fixation and saves electrode material. Furthermore, this electrode device can be used to process multiple features simultaneously, improving processing efficiency. By moving the electrode device to different positions, electrodes on different electrode plates can be used to process different features of the workpiece.

[0080] It should be understood that the two electrode plates and corresponding electrodes are shown only as exemplary embodiments. More electrode plates can also be provided, stacked and bonded to both sides of the planar substrate. For example, two or more electrode plates can be stacked and bonded to one side of the planar substrate, each electrode plate extending radially outwards a different distance relative to the planar substrate. When processing different features of the workpiece, the electrodes on the corresponding electrode plates are moved to the corresponding positions of the different features of the workpiece, thus enabling the processing of multiple workpiece features.

[0081] According to an exemplary embodiment of this application, the first electrode 111 and the second electrode 151 face the same direction. In this way, different features of the workpiece can be processed by translating the electrode device.

[0082] According to an exemplary embodiment of this application, the first plate shape and the second plate shape are quadrilaterals. A first electrode is provided on each of the four sides of the first plate shape radially outward toward the first electrode plate 130, and a second electrode is provided on each of the four sides of the second plate shape radially outward toward the second electrode plate 150. For example... Figure 1 As shown, the four sides of the first electrode plate 130 and the second electrode plate 150 have the same shape.

[0083] In this way, each side of the electrode assembly provides a backup electrode. When the electrode on one side is worn out and can no longer be used for processing, the electrode assembly can be rotated to face the electrode on the other side toward the workpiece, allowing processing of the workpiece to continue.

[0084] Figure 2 This is a schematic diagram of the side of an electrode device according to an exemplary embodiment of this application. (See attached diagram.) Figure 2 As shown in the exemplary embodiment of this application, an electrode device fixing member 170 is provided at the center of the axial outer side of the first electrode plate 130 or the second electrode plate 150. The electrode device fixing member 170 is used to fix the electrode device 100 on the electrode fixing arm of the machine tool that carries the electrode device 100 for electrical discharge machining. The electrode device fixing member 170 can be a standard structural component. For example, the electrode device fixing member 170 is provided with a through hole or a threaded hole for fixing the electrode device 100 to the electrode fixing arm of the machine tool with screws, so that the electrode device 100 moves with the machine tool to the position corresponding to different features to be processed on the workpiece.

[0085] Figure 3 This is a schematic diagram of a tool setting reference member of an electrode device according to an exemplary embodiment of this application. Figure 3 As shown in the exemplary embodiment of this application, the electrode device 100 further includes a tool setting reference 190 for tool setting operations of the electrode device 100 during electrical discharge machining. The tool setting reference 190 is a platform protruding axially outward from the first electrode plate 130 or the second electrode plate 150. The platform has a quadrilateral shape corresponding to the shape of the first plate and the second plate, and the quadrilateral of the platform has the same center as the quadrilateral of the first plate and the second plate. The quadrilateral platform structure of the tool setting reference 190 allows it to be easily engaged with a tool setting standard (e.g., a mating protrusion located in a fixed position near the workpiece). Even if the electrode device 100 is rotated axially to face the electrodes on different sides of the electrode plates of the electrode device 100 toward the workpiece, the electrode device 100 can be moved back to the spatial zero position by the tool setting reference 190. In this way, the electrode device is easily positioned to the spatial zero position at the start of the machining operation, improving the accuracy of the machining process.

[0086] According to an exemplary embodiment of this application, the planar substrate 110, the first electrode plate 130, and the second electrode plate 150 are integrally formed of a conductive material. In this way, the electrode device is able to conduct electricity, thereby enabling electrical discharge machining by generating an electric spark.

[0087] According to another aspect of the embodiments of this application, an electrical discharge machining apparatus is also provided. Figure 4 This is a schematic diagram of an electrical discharge machining apparatus according to an embodiment of this application. Figure 4As shown, the electrical discharge machining apparatus 10 includes: a main body 200, an electrode fixing arm 230 (including at least a reference electrode fixing arm 231), and an electrode device 100 for electrical discharge machining.

[0088] The main body 200 has an elongated shape, and a machine tool fixing component 210 is provided in the middle of the elongated shape of the main body 200. The machine tool fixing component 210 fixes the main body 200 to the moving part of the machine tool, and the moving part moves to the position according to the setting of the machining program. In actual operation, the main body 200 has a cuboid structure with its length direction horizontal, and the machine tool fixing component 210 is installed in the middle of its vertically upward surface. The machine tool fixing component 210 can be welded to the main body 200 or integrally formed with the main body 200. The upper part of the machine tool fixing component 210 is provided with a through hole or a threaded hole for fastening to the machine tool with screws, so that it moves with the movement of the machine tool or the moving arm of the machine tool to move the electrode to the desired position.

[0089] The electrode fixing arm 230 includes at least a reference electrode fixing arm 231, which is disposed at one end of the elongated shape of the main body 200 and extends in a direction perpendicular to the elongated shape. The reference electrode fixing arm 231 includes a reference arm main body connecting end 233 connected to the main body 200 and a reference arm electrode fixing end 235 for fixing the electrode. The reference arm electrode fixing end 235 is provided with an electrode device assembly 237, which assembles the electrode device 100 for electrical discharge machining. In actual operation, the reference electrode fixing arm 231 is the first electrode fixing arm 230 disposed at one end of the main body 200. The reference electrode fixing arm 231 extends vertically downward from the main body 200 or extends downward at a predetermined angle. When the machine tool or the machine tool's moving arm moves, the electrode fixing arm 230 moves to a corresponding position.

[0090] Electrode assembly 100 for electrical discharge machining (EDM) is shown above. Figures 1 to 3The described electrode device 100 includes: a planar substrate 110 having two opposing sides; a first electrode plate 130 having a first flat plate shape, the first electrode plate 130 being attached to one of the two opposing sides of the planar substrate 110; the first flat plate shape having at least one edge; a first electrode 111 being provided radially outward from the at least one edge towards the first electrode plate; the first electrode 111 having a first electrode shape matching the shape of a first machining feature of a workpiece to be processed by electrical discharge machining; and a second electrode plate 150 having a second flat plate shape, the second electrode plate 150 being attached to the other of the two opposing sides of the planar substrate 110; the second flat plate shape having at least one edge; a second electrode 151 being provided radially outward from the at least one edge towards the second electrode plate; the second electrode 151 having a second electrode shape matching the shape of a second machining feature of the workpiece to be processed by electrical discharge machining. When the machine tool or its moving arm moves, the electrode device 100 is moved to a corresponding position.

[0091] According to an exemplary embodiment of this application, the first electrode 111 and the second electrode 151 face the same direction. The first plate shape and the second plate shape are quadrilaterals. The first plate shape has a first electrode on each of its four sides facing the radial outer side of the first electrode plate 130, and the second plate shape has a second electrode on each of its four sides facing the radial outer side of the second electrode plate 150. An electrode device fixing member 170 is provided at the center of the axial outer side of either the first electrode plate 130 or the second electrode plate 150. The electrode device fixing member 170 is used to fix the electrode device 100 to the electrode device mounting part 237 of the electrode fixing arm 230. The electrode device also includes a tool setting reference member 190 for tool setting operations of the electrode device 100 during electrical discharge machining. The tool setting reference member 190 is a platform protruding axially outward from either the first electrode plate 130 or the second electrode plate 150. The platform has a quadrilateral shape corresponding to the first and second plate shapes, and the quadrilaterals of the platform have the same center as the quadrilaterals of the first and second plate shapes.

[0092] In the process of machining multiple features of a single workpiece, let's take two features as an example. See [link / reference] Figure 5 , Figure 5 This is a schematic diagram showing the positions of the electrode device according to an exemplary embodiment of this application when processing different features of a workpiece. Figure 5 The workpiece 300 shown is a turbine blade. Two features need to be machined on each side of the turbine blade: the first feature 330 is an axial positioning groove, and the second feature 350 is an air seal groove. It should be understood that... Figure 5 The workpiece and features to be processed shown are merely examples, and the technical solution of this application can be used for any workpiece with multiple features to be processed, and is not limited thereto.

[0093] During the machining process, the tool setting reference 190 is first moved to a position that mates with a fixed tool setting standard block near the workpiece 300 by moving the machine tool or the moving arm of the machine tool, and this position is set as the spatial zero position. The machine tool or the moving arm of the machine tool is then controlled to move the electrode device 100 to the position of the second feature 350 of the workpiece 300, and the second feature 350 is machined by electrical discharge through the second electrode on the second electrode plate 150. After machining the second feature 350, the machine tool or the moving arm of the machine tool is controlled to move the electrode device 100 to the position of the first feature 350 of the workpiece 300, and the first feature 330 is machined by electrical discharge through the first electrode on the first electrode plate 130.

[0094] Figure 6 This is a schematic diagram of an electrical discharge machining apparatus according to an exemplary embodiment of this application. Figure 6 As shown, the electrode fixing arm 230 also includes at least one additional electrode fixing arm 231', which is arranged on the body 200 at predetermined intervals along the elongated shape of the body 200 from the reference electrode fixing arm 231 toward the other end of the body 200. Each additional electrode fixing arm 231' includes an additional arm body connecting end 233' connected to the body 200 and an additional arm electrode fixing end 235' for fixing the electrode. The additional arm electrode fixing end 235' is provided with an additional electrode device assembly 237, which assembles an additional electrode device 100.

[0095] Specifically, the configuration of the additional electrode fixing arm 231' is similar to that of the reference electrode fixing arm 231, and they are arranged side by side below the main body 200. A predetermined distance separates the additional electrode fixing arm 231' from the reference electrode fixing arm 231, such that when the electrode device 100 carried by the reference electrode fixing arm 231 processes a feature of a workpiece, the electrode device 100 carried by the additional electrode fixing arm 231' is positioned to process a corresponding feature of another adjacent workpiece.

[0096] According to an exemplary embodiment of this application, the reference arm main body connection end 233 of the reference electrode fixing arm 231 is provided with a reference arm adjustment mechanism, which is used to adjust the position of the reference electrode fixing arm 231 along the length and width directions of the elongated shape of the main body 200.

[0097] According to an exemplary embodiment of this application, the additional electrode fixing arm 231' has an additional arm main body connection end 233' provided with an additional arm adjustment mechanism, which is used to adjust the position of the additional electrode fixing arm 231' along the length and width directions of the elongated shape of the main body 200.

[0098] For example, during tool setting, the tool setting reference 190 can be moved to a position near a fixed tool setting standard block near the workpiece 300 by moving the machine tool or the moving arm of the machine tool. Then, by adjusting the reference arm adjustment mechanism, the tool setting reference 190 of the electrode device 100 carried by the reference electrode fixing arm 231 can be moved to a position where it closely engages with the fixed tool setting standard block near the workpiece 300. By adjusting the additional arm adjustment mechanism, the electrode device 100 carried by the additional electrode fixing arm 231' can be moved to the desired accurate position. In an exemplary embodiment, a corresponding tool setting standard block can also be provided for the electrode device 100 carried by the additional electrode fixing arm 231'. In an exemplary embodiment, the reference arm adjustment mechanism and the additional arm adjustment mechanism allow horizontal position adjustments to be performed on the reference electrode fixing arm 231 and the additional electrode fixing arm 231', respectively. For example, the reference arm adjustment mechanism and the additional arm adjustment mechanism have orthogonal slide rail structures and threaded fastening structures in the horizontal direction, or horizontal displacement can be achieved through a gear structure.

[0099] like Figure 6 As shown in the exemplary embodiment of this application, the electrical discharge machining apparatus 10 further includes one or more workpiece fixing platforms 250, disposed below the main body 200 facing the reference electrode fixing arm 231 and the additional electrode fixing arm 231'. The workpiece fixing platform 250 includes a workpiece fixing member 251 for fixing the workpiece to be processed by the electrode device 100 onto the workpiece fixing platform 250. The workpiece fixing platform 250 also includes a tool setting standard block 253, disposed at a predetermined position on one side of the workpiece fixing member 251. The tool setting standard block 253 cooperates with the tool setting reference member 190 of the electrode device 100 to define the spatial zero point of the electrode device 100 during tool setting operations. In this way, the workpiece to be processed is fixed at the position corresponding to each electrode device. By adjusting the electrode device carried by the reference electrode fixing arm to the zero point of the spatial position during the tool setting operation, and adjusting the electrode device carried by the additional electrode fixing arm to the position corresponding to the feature to be processed of the corresponding workpiece, the features to be processed of multiple workpieces can be accurately processed at the same time. Moreover, after moving the moving arm of the machine tool, other features to be processed of multiple workpieces can be accurately processed at the same time.

[0100] According to an exemplary embodiment of this application, the planar substrate 110, the first electrode plate 130, and the second electrode plate 150 are integrally formed of a conductive material, and the electrode fixing arm 230 is also formed of a conductive material. In this way, the electrode device is conductive, thereby enabling electrical discharge machining by generating an electric spark.

[0101] Figure 7This is a schematic diagram of another electrical discharge machining (EDM) apparatus according to an exemplary embodiment of this application. As mentioned above, the EDM apparatus according to an exemplary embodiment of this application is capable of simultaneously machining multiple features of multiple workpieces. Figure 7 An exemplary embodiment of an electrical discharge machining (EDM) apparatus 10 for simultaneously processing four workpieces is shown. It includes four electrode fixing arms 230: one reference electrode fixing arm 231 and three additional electrode fixing arms 231' arranged at predetermined intervals, carrying a total of four electrode devices 100. It simultaneously processes features of four workpieces on four workpiece fixing platforms 250. When the first feature of the four workpieces is completed, the main body 200 is moved by the machine tool or its movable arm 200, moving the four electrode devices 100 to the positions of the second features of the four workpieces, thereby simultaneously processing the second features of the four workpieces. It is understood that two, three, four, or more electrode fixing arms 230 can be provided on the main body, with the number of electrode fixing arms 230 being N, where N is a positive integer, thereby carrying N electrode devices and simultaneously processing the workpieces on the corresponding N workpiece fixing platforms 250.

[0102] In the above embodiments of this application, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0103] In the several embodiments provided in this application, it should be understood that the disclosed technical content can be implemented in other ways. The device embodiments described above are merely illustrative; for example, the division of units or modules is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units, modules, or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the displayed or discussed mutual coupling, direct coupling, or communication connection may be through some interfaces; the indirect coupling or communication connection of modules or units may be electrical or other forms.

[0104] The units or modules described as separate components may or may not be physically separate. The components shown as units or modules may or may not be physical units or modules; that is, they may be located in one place or distributed across multiple network units or modules. Some or all of the units or modules can be selected to achieve the purpose of this embodiment according to actual needs.

[0105] Furthermore, the functional units or modules in the various embodiments of this application can be integrated into one processing unit or module, or each unit or module can exist physically separately, or two or more units or modules can be integrated into one unit or module. The integrated units or modules described above can be implemented in hardware or in the form of software functional units or modules.

[0106] If the integrated unit is implemented as a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as a USB flash drive, read-only memory (ROM), random access memory (RAM), portable hard drive, magnetic disk, or optical disk.

[0107] The above description is only a preferred embodiment of this application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this application, and these improvements and modifications should also be considered within the scope of protection of this application.

Claims

1. An electrode device (100) for electrical discharge machining, characterized in that, include: A planar substrate (110) having two opposing sides; The first electrode plate (130) has a first flat plate shape. The first electrode plate (130) is attached to one of the two opposite sides of the planar substrate (110). The first flat plate shape has at least one edge. A first electrode (111) is provided on the radially outer side of the at least one edge toward the first electrode plate. The first electrode (111) has a first electrode shape. The first electrode shape matches the shape of a first processing feature of the workpiece to be processed by electrical discharge machining. as well as The second electrode plate (150) has a second flat plate shape and is attached to one of the two opposing sides of the planar substrate (110). The second flat plate shape has at least one edge, and a second electrode (151) is provided on the radially outer side of the at least one edge facing the second electrode plate. The second electrode (151) has a second electrode shape that matches the shape of a second machining feature of the workpiece to be processed by electrical discharge machining. The first electrode (111) and the second electrode (151) face the same direction, and wherein, The first plate shape and the second plate shape are quadrilaterals. The first plate shape has a first electrode on each of the four sides facing the first electrode plate (130) radially outward, and the second plate shape has a second electrode on each of the four sides facing the second electrode plate (150) radially outward.

2. The electrode device (100) according to claim 1, characterized in that: An electrode device fixing member (170) is provided at the center of the outer side of the first electrode plate (130) or the second electrode plate (150). The electrode device fixing member (170) is used to fix the electrode device (100) on the electrode fixing arm of the machine tool carrying the electrode device (100) for electrical discharge machining.

3. The electrode device (100) according to claim 1, characterized in that, Also includes: A tool setting reference (190) is used for tool setting operation of the electrode device (100) in electrical discharge machining. The tool setting reference (190) is a platform that protrudes axially outward from the first electrode plate (130) or the second electrode plate (150). The platform has a quadrilateral shape corresponding to the shape of the first plate and the shape of the second plate, and the quadrilateral of the platform has the same center as the quadrilateral of the first plate shape and the second plate shape.

4. The electrode device (100) according to claim 1, characterized in that: The planar substrate (110), the first electrode plate (130), and the second electrode plate (150) are integrally formed of conductive material.

5. An electrical discharge machining apparatus (10), characterized in that, include: The main body (200) has an elongated shape, and a machine tool fixing member (210) is provided in the middle of the elongated shape of the main body (200). The machine tool fixing member (210) fixes the main body (200) to the moving part of the machine tool, and the moving part moves to a position according to the setting of the machining program. An electrode fixing arm (230) includes at least a reference electrode fixing arm (231), which is disposed at one end of the elongated shape of the main body (200) and extends in a direction perpendicular to the elongated shape. The reference electrode fixing arm (231) includes a reference arm main body connecting end (233) connected to the main body (200) and a reference arm electrode fixing end (235) for fixing the electrode. The reference arm electrode fixing end (235) is provided with an electrode device assembly (237), which is assembled with an electrode device (100) for electrical discharge machining. as well as Electrode assembly (100) for electrical discharge machining includes: A planar substrate (110) having two opposing sides; A first electrode plate (130) has a first flat plate shape. The first electrode plate (130) is attached to one of two opposing sides of the planar substrate (110). The first flat plate shape has at least one edge, and a first electrode (111) is provided on the radially outer side of the at least one edge toward the first electrode plate. The first electrode (111) has a first electrode shape that matches the shape of a first machining feature of the workpiece to be processed by electrical discharge machining. The second electrode plate (150) has a second flat plate shape and is attached to one of the two opposing sides of the planar substrate (110). The second flat plate shape has at least one edge, and a second electrode (151) is provided on the radially outer side of the at least one edge facing the second electrode plate. The second electrode (151) has a second electrode shape that matches the shape of a second machining feature of the workpiece to be processed by electrical discharge machining. The first electrode (111) and the second electrode (151) face the same direction, and wherein, The first plate shape and the second plate shape are quadrilaterals. The first plate shape has a first electrode on each of the four sides facing the first electrode plate (130) radially outward, and the second plate shape has a second electrode on each of the four sides facing the second electrode plate (150) radially outward.

6. The electrical discharge machining apparatus (10) according to claim 5, characterized in that: An electrode device fixing member (170) is provided at the center of the outer side of the first electrode plate (130) or the second electrode plate (150). The electrode device fixing member (170) is used to fix the electrode device (100) on the electrode device assembly (237) of the electrode fixing arm (230).

7. The electrical discharge machining apparatus (10) according to claim 6, characterized in that, The electrode device further includes: A tool setting reference (190) is used for tool setting operation of the electrode device (100) in electrical discharge machining. The tool setting reference (190) is a platform that protrudes axially outward from the first electrode plate (130) or the second electrode plate (150). The platform has a quadrilateral shape corresponding to the shape of the first plate and the shape of the second plate, and the quadrilateral of the platform has the same center as the quadrilateral of the first plate shape and the second plate shape.

8. The electrical discharge machining apparatus (10) according to claim 7, characterized in that, The electrode fixing arm (230) also includes: At least one additional electrode fixing arm (231') is provided on the body (200) at predetermined intervals along the elongated shape of the body (200) from the reference electrode fixing arm (231) toward the other end of the elongated shape of the body (200). Each additional electrode fixing arm (231') includes an additional arm body connecting end (233') connected to the body (200) and an additional arm electrode fixing end (235') for fixing the electrode. The additional arm electrode fixing end (235') is provided with an additional electrode device assembly (237), and the additional electrode device assembly (237) assembles the additional electrode device (100).

9. The electrical discharge machining apparatus (10) according to claim 8, characterized in that: The reference arm fixing arm (231) is provided with a reference arm adjustment mechanism at the reference arm main body connection end (233). The reference arm adjustment mechanism is used to adjust the position of the reference electrode fixing arm (231) along the length and width directions of the long strip shape of the main body (200).

10. The electrical discharge machining apparatus (10) according to claim 9, characterized in that: The additional electrode fixing arm (231') is provided with an additional arm adjustment mechanism at the additional arm body connection end (233'), which is used to adjust the position of the additional electrode fixing arm (231') along the length and width directions of the elongated shape of the body (200).

11. The electrical discharge machining apparatus (10) according to claim 10, characterized in that, Also includes: One or more workpiece fixing platforms (250) are disposed below the main body (200) facing the reference electrode fixing arm (231) and the additional electrode fixing arm (231'), wherein the workpiece fixing platform (250) comprises: A workpiece holder (251) is used to fix the workpiece to be processed by the electrode device (100) on the workpiece fixing platform (250); and A tool setting standard block (253) is set at a predetermined position on one side of the workpiece fixing member (251). The tool setting standard block (253) cooperates with the tool setting reference member (190) of the electrode device (100) to define the spatial position zero point of the electrode device (100) during the tool setting operation.

12. The electrical discharge machining apparatus (10) according to claim 6, characterized in that: The planar substrate (110), the first electrode plate (130), and the second electrode plate (150) are integrally formed of a conductive material, and, The electrode fixing arm (230) is formed of a conductive material.

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