| 摘要 |
PURPOSE: A pipe expansion device is provided to smoothly and automatically implement all processes including the feed of pipes and to enable precise processing of a pipe by fixing the pipe in an accurate position. CONSTITUTION: A pipe expansion device comprises a feed pipe(10) which is vertically installed on a bed(3) of a processing device to stack a plurality of pipes(2) and has a top inlet and a bottom outlet, a guide support plate(20), a holder block(30), a processing tool(40) which is installed on the upper side of a pipe located in a processing position by the holder block and widens the inner diameter of the pipe by moving up and down, and a discharge line(50) which guides the pipe expanded by the processing tool to the outside of the guide support plate.
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