A jet electrodeposition nozzle and its method for manufacturing seamless metal pipe

Abstract

The invention discloses a jet electrodeposition spray head and a method for manufacturing a seamless metal pipe by the spray head. The jet electrodeposition spray head mainly comprises a spray head main body provided with a spray nozzle, conductive anodes, an electric insulation mold core, electrolyte, an electrodeposition power supply and a cathode substrate; the electric insulation mold core andthe spray nozzle are coaxially arranged on the spray head main body; and one end of the electric insulation mold core extends out of the spray nozzle. The extending end of the electric insulation mold core of the jet electrodeposition spray head is in close contact with the surface of the cathode substrate during working; the electrolyte is connected with the spray head main body and flows out ofa gap formed by the electric insulation mold core and the spray nozzle at a high speed to form a hollow liquid flow column which completely wraps the electric insulation mold core to the cathode substrate; then the electrodeposition power supply turns on the conductive anode and the cathode substrate to be electrified; under the combined action of a flow field and an electric field, specific metal ions in the hollow liquid flow column are subjected to reduction reaction and grow upwards layer by layer around the surface of the electric insulation mold core to form a hollow electrodeposition metal pipe; a numerical control motion platform controls the jet electrodeposition spray head and the cathode substrate to perform precise spatial motion according to a preset track; and the seamless electrodeposition metal pipe with an spatial structure is continuously electrodeposited in the steady hollow liquid flow column.

Description

technical field [0001] The invention belongs to the technical field of electrochemical processing, and in particular relates to a jet electrodeposition nozzle and a method for preparing seamless metal pipes based on it. Background technique [0002] Seamless fine metal tubes are the basic parts of the manufacturing industry and are widely used in modern consumer electronics, chips, biology, medical and other fields. At present, the conventional preparation processes for seamless metal pipes are drawing, rolling, etc., but most of these processes can only obtain straight pipes with equal diameter and wall thickness, and are restricted by molding dies and moving mechanisms, making it extremely difficult to produce ultra-small pipes. Seamless metal tubes of internal diameter or variable internal diameter or variable cross-sectional shape. And these unconventional seamless metal tubes are in urgent demand in the industry. [0003] Electrodeposition processing (electroforming p...

AI Technical Summary

Problems solved by technology

It obtains seamless metal microtubes by replicating the slender core material by electrodeposition, but this replicated electrodeposition process based on the bath plating mode has low preparation efficiency, many process steps, difficult demoulding, and poor adaptability, etc. Insufficient, especially extremely difficult to be competent for the preparation of seamless metal pipes such as ultra-small inner diameter or variable inner diameter or variable cross-sectional shape

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