Disclosed is a magnesium alloy butted tube drawing mechanism, comprising a tube drawing mould, a tube drawing core rod and a hydraulic execution mechanism. The tube drawing mould is provided with a mould heating component, used for heating a magnesium alloy tube material entering the tube drawing mould. The magnesium alloy butted tube drawing mechanism may also comprise a tube heating component, used for preheating a magnesium alloy tube before entering the mould.
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