Abrasive particle jet electrochemical small hole machining device for promoting horizontal vibration of workpiece through megasonic

Abstract

The utility model discloses an abrasive particle jet electrochemical small hole machining device for promoting horizontal vibration of a workpiece through megasonic. The abrasive particle jet electrochemical small hole machining device is mainly composed of a movable platform, a connecting plate, a machining head clamp, an electrochemical machining head, an anode workpiece, an anode supporting device, an electrolyte tank, a liquid supply system and a megasonic auxiliary system. The connecting plate is positioned below the movable platform and is in threaded connection with the movable platform; the processing head clamp is positioned below the connecting plate and is in threaded connection with the connecting plate; the electrochemical machining head is positioned below the machining head clamp and is in threaded connection with the machining head clamp; the electrolyte tank is located below the machining head, and the anode supporting device is bonded to the center of the electrolyte tank. An anode workpiece is clamped and fixed above the anode supporting device; the liquid supply system is positioned on the left of the anode support device; the megasonic auxiliary system is located on the right side of the anode supporting device. The utility model has the advantages that the processing quality and the processing efficiency can be effectively improved, and the operation is simple.

Description

Technical Field

[0001] The utility model relates to the technical field of electrochemical machining, and more specifically to an abrasive jet electrochemical small hole machining device which utilizes megasound to promote horizontal vibration of a workpiece. Background Art

[0002] Electrochemical jet small-hole machining (EDM) is a composite process based on electrochemical anodic dissolution combined with a high-pressure electrolyte jet. Compared to traditional machining techniques, it offers advantages such as no heat-affected zone, no mechanical stress, broad material applicability, and excellent surface quality. It is widely used in industries such as aerospace, medical devices, and automotive. However, EDM suffers from slow machining speeds and poor quality, as some machining debris accumulates in the small hole, triggering secondary discharges and reducing machining accuracy. Therefore, a simple-to-operate, highly efficient EDM device is urgently needed. Summary of the Invention

[0003] In response to the problems existing in the prior art, the purpose of the present utility model is to provide an abrasive jet electrochemical small hole processing device that uses megasound to promote horizontal vibration of the workpiece. It can effectively remove by-products, reduce stray corrosion, and improve the processing quality of parts by transmitting vibration levels of different frequencies to the workpiece.

[0004] In order to solve the above problems, the present invention adopts the following technical solutions.

[0005] An abrasive jet electrochemical small hole machining device that utilizes megasonics to promote horizontal vibration of a workpiece is characterized by being primarily composed of a mobile platform, a connecting plate, a machining head fixture, an electrochemical machining head, an anode workpiece, an anode support device, an electrolyte tank, a liquid supply system, and a megasonics auxiliary system. The connecting plate is located below the mobile platform and is threadedly connected to the mobile platform; the machining head fixture is located below the connecting plate and is threadedly connected to the connecting plate; the electrochemical machining head is located below the machining head fixture and is threadedly connected to the machining head fixture; and a spring clamp is bolted to the surface of the anode support platform to secure the anode workpiece to the platform.

[0006] As a preferred embodiment of the abrasive jet electrochemical small hole processing device of the utility model that uses megasound to promote horizontal vibration of the workpiece, the movable platform is an X, Y, and Z three-coordinate movable platform, the connecting plate is connected by two threads under the movable platform, the processing head fixture is connected to the connecting plate by threads, the connecting plate has an internal thread, and the processing head fixture has an external thread.

[0007] As a preferred embodiment of the abrasive jet electrochemical small hole processing device of the utility model that uses megasound to promote horizontal vibration of the workpiece, the electrochemical processing head and the processing head fixture are connected by threads, the processing head has external threads, and the processing head fixture has internal threads; the processing head is composed of an insulating chamber, a cathode, a guide tube and a nozzle; the upper end of the cathode passes through the insulating chamber and is connected to the negative pole of the power supply; the lower end of the nozzle is higher than the anode workpiece.

[0008] As a preferred embodiment of the abrasive jet electrochemical small hole machining device of the utility model that uses megasound to promote horizontal vibration of the workpiece, the electrolyte tank is located below the machining head, and contains electrolyte containing abrasive particles. There is an electromagnetic stirrer on the left side of the tank, and an anode support device is bonded to the middle of the tank. The anode support device consists of an anode support platform and a spring clamping device; the anode workpiece is located above the anode support platform and is fixed by the spring clamping device in the middle of the upper surface of the anode support platform; the conductive spring clamping device is connected to the power supply anode; the liquid supply system is located on the left side of the electrolyte tank, and the liquid supply system consists of a liquid supply pipe, a pressure pump, and a flow rate control valve; the electrolyte in the electrolyte tank enters the liquid supply pipe under the action of the pressure pump, and enters the guide pipe of the electrochemical machining head through the flow rate control valve.

[0009] As a preferred embodiment of the abrasive jet electrochemical small hole machining device of the utility model that uses megasound to promote horizontal vibration of the workpiece, the megasound auxiliary system is located on the right side of the anode support device; the megasound auxiliary system is composed of a variable amplitude rod, a transducer and a megasound generator; the megasound generator is located above the base; through the source excitation effect of the megasound generator, the conversion effect of the transducer and the amplified vibration effect of the variable amplitude rod, the high-frequency vibration is finally transmitted to the anode support platform; the high-frequency vibration is transmitted to the anode workpiece through the anode support platform, causing the anode workpiece to vibrate slightly in the horizontal direction.

[0010] The beneficial effects of the present invention are as follows: the present invention provides an abrasive jet electrochemical small hole machining device that utilizes megasonics to promote horizontal vibration of a workpiece, and can improve surface machining quality and thus machining accuracy by adding a megasonics auxiliary system to the right side of the anode support device. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural diagram of the present utility model.

[0012] Figure 2 It is a structural schematic diagram of the electromagnetic stirring device of the present utility model.

[0013] Figure 3 This is a structural schematic diagram of the spring clamping device of the present utility model.

[0014] Figure 4 This is a partial enlarged view of the spring clamping device of the present utility model.

[0015] Figure 5 This is a schematic structural diagram of the electrochemical machining head device of the present invention.

[0016] Description of the numbers in the figure

[0017] 1-mobile platform, 2-connecting plate, 3-machining head fixture, 4-flow rate control valve, 5-liquid supply pipe, 6-pressure pump, 7-electromagnetic stirrer, 8-waterproof cover, 9-electrolyte tank, 10-electrolyte, 11-base, 12-electrochemical machining head, 13-anode workpiece, 14-spring clamping device, 15-anode support platform, 16-amplifier, 17-transducer, 18-megasonic generator, 19-external thread, 20-insulating chamber, 21-flow guide tube, 22-cathode, 23-nozzle, 24-fastening bolts. Implementation Method

[0018] In order to enable those skilled in the art to better understand the technical solutions provided by the present invention, the technical solutions in the embodiments of the present invention will be further described below in conjunction with the accompanying drawings of the present invention.

[0019] An abrasive jet electrochemical small hole machining device that uses megasound to promote horizontal vibration of a workpiece includes a mobile platform 1, a connecting plate 2, a machining head fixture 3, a flow rate control valve 4, a liquid supply pipe 5, a pressure pump 6, an electromagnetic stirrer 7, a waterproof cover 8, an electrolyte tank 9, an electrolyte 10, a base 11, an electrochemical machining head 12, an anode workpiece 13, a spring clamping device 14, an anode support platform 15, a horn 16, a transducer 17, a megasound generator 18, an external thread 19, an insulating chamber 20, a flow guide tube 21, a cathode 22, a nozzle 23, and a fastening bolt 24. The connecting plate 2 is located below the mobile platform 1 and is connected to the mobile platform 1 by a thread. The machining head fixture 3 is located below the connecting plate 2. , and is connected to the connecting plate 2 by threads; the processing head fixture 3 is connected to the electrochemical processing head 12 by threads; the electrolyte tank 9 is located below the electrochemical processing head 12, which contains an electrolyte 10 containing abrasive particles, and an anode support platform 15 is placed in the center of the tank; the spring clamping device 14 (which can be used as an anode power connection device) fixes the anode workpiece 13 directly above the anode support platform 15; the spring clamping device 14 is located on both sides of the anode support platform 15 and is connected to the anode of the power supply; the upper end of the liquid supply pipe 5 is connected to the guide pipe 21, and the lower end is connected to the electrolyte tank 9; the amplitude rod 16 is close to the right surface of the anode support platform 15, and the left end of the transducer 17 is connected to the amplitude rod 16 and the right end is connected to the megasonic generator 18.

[0020] Specifically, the mobile platform 1 is an X, Y, and Z three-coordinate mobile platform, the connecting plate 2 is connected by two threads under the mobile platform 1, the processing head fixture 3 is connected to the connecting plate 2 by threads, the connecting plate 2 has an internal thread, and the processing head fixture 3 has an external thread.

[0021] Specifically, the electrochemical machining head 12 is connected to the machining head fixture 3 through threads, the electrochemical machining head 12 has an external thread 19, and the machining head fixture 3 has an internal thread; the electrochemical machining head 12 is composed of an external thread 19, an insulating chamber 20, a flow guide tube 21, a cathode 22 and a nozzle 23; the upper end of the cathode 22 passes through the insulating chamber 20 and is connected to the negative pole of the power supply; the lower end of the nozzle 23 is higher than the anode workpiece 13.

[0022] Specifically, the electrolyte tank 9 is located below the electrochemical machining head 12, and contains an electrolyte 10 containing abrasive particles. An anode support platform 15 is placed in the center of the tank. A spring clamping device 14 (which can serve as an anode power connection device) fixes the anode workpiece 13 directly above the anode support platform 15. The spring clamping devices 14 are located on both sides of the anode support platform 15 and are connected to the anode of the power supply. The upper end of the liquid supply pipe 5 is connected to the guide pipe 21, and the lower end is connected to the electrolyte tank 9.

[0023] Specifically, the horn 16 is in close contact with the right side surface of the anode support platform 15 , and the left end of the transducer 17 is connected to the horn 16 , and the right end is connected to the megasonic generator 18 .

[0024] Working principle: Before the operation, the anode workpiece 13 needs to be placed directly above the anode support platform 15 and fixed with a spring clamping device 14; the frequency of the anode workpiece 13 vibrating in the horizontal direction is adjusted by the megasonic generator 18; the upper end of the cathode 22 is connected to the negative pole of the power supply through the insulating chamber 20, and the spring clamping device 14 is connected to the anode of the power supply; the electrochemical machining head 12 is driven to move in a plane by the mobile platform 1 and the connecting plate 2, and the electrolyte 10 is ejected from the nozzle 23 through the liquid supply pipe 5, and an electrochemical reaction occurs between the electrochemical machining head 12, the anode workpiece 13 and the electrolyte 10 containing abrasive particles, thereby machining a small hole shape on the anode workpiece 13. The above operations are all performed in the electrolytic cell 9.

[0025] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and improved ideas of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An abrasive jet electrochemical small hole machining device that utilizes megasonics to promote horizontal vibration of a workpiece, characterized by: The device mainly consists of a mobile platform, a connecting plate, a processing head fixture, an electrochemical processing head, an anode workpiece, an anode support device, an electrolyte tank, a liquid supply system, and a megasonic auxiliary system; the connecting plate is located below the mobile platform and is connected to the mobile platform by a thread; the processing head fixture is located below the connecting plate and is connected to the connecting plate by a thread; the electrochemical processing head is located below the processing head fixture and is connected to the processing head fixture by a thread; The spring clamping device is fixed to the surface of the anode support platform by bolt connection, ensuring that the anode workpiece can be fixed on the anode support platform.

2. The abrasive jet electrochemical small hole machining device using megasonics to promote horizontal vibration of the workpiece according to claim 1 is characterized by: The mobile platform is an X, Y, and Z three-coordinate mobile platform. The connecting plate is connected by two threads below the mobile platform. The processing head fixture is connected to the connecting plate through threads. The connecting plate has internal threads and the processing head fixture has external threads.

3. The abrasive jet electrochemical small hole machining device using megasonics to promote horizontal vibration of the workpiece according to claim 1 is characterized by: The electrochemical machining head and the machining head fixture are connected by threads, the machining head has external threads, and the machining head fixture has internal threads; the electrochemical machining head consists of an insulating chamber, a negative electrode, a flow guide tube and a nozzle; the upper end of the cathode passes through the insulating chamber and is connected to the negative electrode of the power supply; the lower end of the nozzle is higher than the anode workpiece.

4. The abrasive jet electrochemical small hole machining device using megasonics to promote horizontal vibration of a workpiece according to claim 1, characterized in that: The electrolyte tank is located below the machining head and contains an electrolyte containing abrasive particles. An electromagnetic stirrer is located on the left side of the tank, and an anode support device is bonded to the center of the tank. The anode support device consists of an anode support platform and a spring clamping device. The anode workpiece is located above the anode support device and is fixed to the center of the upper surface of the anode support platform by the spring clamping device. The conductive spring clamping device is connected to the power supply anode. The liquid supply system is located on the left side of the electrolyte tank and consists of a liquid supply pipe, a pressure pump, and a flow rate control valve. The electrolyte in the electrolyte tank enters the liquid supply pipe under the action of the pressure pump and enters the guide pipe of the electrochemical machining head through the flow rate control valve.

5. The abrasive jet electrochemical small hole machining device using megasonics to promote horizontal vibration of a workpiece according to claim 1, characterized in that: The megaacoustic auxiliary system is located on the right side of the anode support device. The megaacoustic auxiliary system consists of a horn, a transducer, and a megaacoustic generator. The megaacoustic generator is located above the base. Through the source excitation of the megaacoustic generator, the conversion function of the transducer, and the amplified vibration function of the horn, high-frequency vibration is ultimately transmitted to the anode support device. The high-frequency vibration is transmitted to the anode workpiece through the anode support device, causing the anode workpiece to vibrate slightly in the horizontal direction.

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