Specially-shaped blind hole rotating cathode electrolytic machining device

Abstract

The invention discloses a specially-shaped blind hole rotating cathode electrolytic machining device. The specially-shaped blind hole rotating cathode electrolytic machining device comprises a tool cathode device, an electrolytic work fixture device, a workpiece and a machine tool system. The tool cathode device is controlled by a machine tool spindle to rotate, is provided with a rotatable rotarybody, and is used for stirring electrolyte. Electrolytic machining on a specially-shaped blind hole is completed through movement of the workpiece on the electrolytic work fixture device. The rotarytool cathode device comprises the rotary body, a cathode working head, a ceramic bearing and a carbon ring. The ceramic bearing is arranged outside the rotary body in a sleeving manner. The carbon ring is arranged between the rotary body and the ceramic bearing. According to the specially-shaped blind hole rotating cathode electrolytic machining device, a cathode is controlled by the machine toolspindle to rotate to stir the electrolyte so as to enable a fluid field to be uniform; a series of machining is achieved through movement of the workpiece on a tool, so that electrolytic machining onthe specially-shaped blind hole is completed; the device is simple in structure, uniform in fluid field, high in machining efficiency and capable of achieving blind hole machining, and has wide practical value.

Description

Technical field [0001] The invention relates to an electrochemical machining device, in particular to a hexagonal blind hole rotating cathode electrochemical machining device with anode protection, belonging to the field of electrochemical machining. Background technique [0002] Electrochemical machining is a special machining method that uses the principle of electrochemical anodic dissolution of metal in the electrolyte to form workpieces. Compared with other machining methods, electrochemical machining has no tool cathode loss, no cutting force, and processing is not affected by the cutting performance of materials With many advantages such as good processing accuracy and high forming efficiency, it is especially suitable for the processing of special-shaped holes, deep holes and small holes of difficult-to-process materials, providing a low-cost, high-quality processing method for special-shaped holes. [0003] However, there are problems of uneven flow field and bosses at the...

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Problems solved by technology

[0003] However, in the process of electrolytic machining of special-shaped holes, there are problems of uneven flow field and bosses at the bottom of blind holes.

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