Tool and method for electrolytic machining of large-diameter holes arranged at intervals for flushing and pumping liquid
A large-diameter, flushing technology, which is applied in electrochemical processing equipment, manufacturing tools, metal processing equipment, etc., can solve the problems of large-diameter holes that are difficult to process, and achieve a reasonable distribution of flow channels and uniform and stable electrolyte Effect
Active Publication Date: 2019-11-12
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology
[0006] In order to solve the problem that the large-diameter holes on the curved surface are difficult to process, the present invention proposes a tool and method for electrolytically machining large-diameter holes arranged at intervals for flushing and pumping liquid, aiming at improving the processing efficiency and reducing the processing cost
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[0027] The present invention will be further described below in conjunction with accompanying drawing:
[0028] Such as figure 1 , 2 The shown device includes a flexible sealing sleeve, a tool cathode, a liquid inlet group pipe, a liquid outlet group pipe, an annular liquid inlet pipe, a liquid suction pipe, a suction pump, a pipe joint and a porous metal filter module. One end of the liquid inlet group pipe is inserted into the liquid outlet at the bottom end of the ring-shaped liquid inlet pipe, and the other end is inserted into the cathode liquid supply channel of the tool; one end of the liquid outlet group pipe is inserted into the cathode liquid discharge channel of the tool, and the other end is inserted into the liquid outlet at the bottom of the suction pipe; the flexible sealing sleeve On the outer cylindrical surface below the cathode of the tool; the porous metal filter module is placed above the liquid suction pipe to filter large particles that have not been el...
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The invention relates to a tool for electrolytic processing large diameter holes by interval arrangement of flushing and pumping liquid and a method, which belongs to the technical field of electrolytic processing. The device comprises a liquid supply system, a cathode component and a liquid discharge system. The interval type small spacing liquid supply and liquid discharge circulation system disclosed by the invention comprises a suction pump, a liquid suction pipe, a annular liquid inlet pipe, a liquid inlet group pipe, and a liquid outlet group pipe, which effectively solves the problem ofdifficulty in discharging liquid and product during processing of deep holes. The rapid liquid supply of the annular flow passage improves the uniformity of the liquid supply during processing. A cathode punching liquid and a liquid discharging hole are disposed in an annular groove, which can limit the electrolyte to the processing area, thereby improving the localization of the processing. A flexible sealing sleeve can seal the electrolyte in the processing area and improve the stability of the electrolyte in the processing area; in addition, the porous metal filter module in the liquid suction pipe can filter out large particles which are not removed by electrolytic processing. According to the tool for electrolytic processing large diameter holes by interval arrangement of flushing and pumping liquid and the method, the electrolytic processing the large diameter holes on the curved surface of the difficult-to-machine material can be realized.
Description
technical field [0001] The invention relates to a tool and method for electrolytically machining large-diameter holes arranged at intervals for flushing and pumping liquid, and belongs to the technical field of electrolytic machining. Background technique [0002] Electrolytic machining is a process in which the metal workpiece used as an anode is dissolved in the electrolyte to remove material and realize the machining of the workpiece. During the processing, the workpiece is connected to the positive pole of the power supply, and the tool is connected to the negative pole of the power supply. There is a machining gap between the two, which is used for electrolyte flow, electrochemical reaction and removal of electrolytic products. Under specific process conditions, with the feeding of the tool cathode and always maintaining a small machining gap, the anode surface of the workpiece can be dissolved at a high speed according to the shape of the tool cathode until it reaches ...
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IPC IPC(8): B23H3/00B23H9/14
CPCB23H3/00B23H9/14
Inventor 刘洋曲宁松仇志李寒松
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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