Mandrel conveying device for a tube rolling mill
AssigneeDanieli & C. Officine Meccaniche SpA
InventorsEttore Cernuschi, Claudio Maria Scalmana
Life of this patent
Estimating the term…
Abstract
A rolling plant (R) for rolling tubes having a multi-stand rolling mill (5) with two or more rolls, in order to implement a controlled speed mandrel rolling process, comprises a hooking and releasing device (61) which is arranged in the inlet area of the rolling mill (5) to cooperate with the rear tang of the mandrel (31) and a hooking and releasing device (71) which is arranged in the outlet area of the rolling mill (5) to cooperate with the front tang of the mandrel (31) in coordinated manner with the first hooking and releasing device (61).
Claims13
A mandrel conveying device for a multi-stand tube rolling mill with mandrel, defining a rolling axis, the conveying device comprising a rack device and a hooking and releasing device, for hooking and for releasing a tang of the mandrel, wherein the rack device comprises two racks side-by-side parallel to the rolling axis, each of said two racks has two respective gear teeth, the hooking and releasing device being arranged at one end of the two racks.
Dependencies are inferred from the claim text.