Patent ID: 8445811

Claim:
A device for laser weld joining of sheet metal strips running in a steelworks of continuous processing, comprising: a main frame; a clamping unit carried by said main frame for clamping sheet metal strips, said clamping unit including first and second clamps each configured to clamp a respective sheet metal strip; a shearing unit for shearing heads and tails of sheet metal strips to be joined, said shearing unit including: an upper blade holder, first and second upper blades fastened on said upper blade holder in spaced relation with one another; first and second lower blades moving relative to said upper blades and adapted to shear a sheet metal strip; at least one joint structure of said first blades, said joint structure being in fixed relation to said frame; a laser welding unit including a generator for a laser beam for welding the sheet metal strips to be joined and including a welding head slidably mounted for moving in a space located between said upper blade holder and said lower blades.