Secondary trimming mechanism and device

The utility model relates to the technical field of photovoltaic module processing, and particularly discloses a secondary trimming mechanism and device. The secondary trimming mechanism comprises a chassis, a tray is slidably connected to the chassis, and the tray is connected with a first driving part for driving the tray to move relative to the chassis; two groups of edge cutting assemblies are symmetrically arranged on the tray, each edge cutting assembly comprises an edge cutting knife, a second driving part and a third driving part, the third driving parts drive the edge cutting knives to move in the direction close to or away from the to-be-cut face of the photovoltaic module, and the second driving parts drive the edge cutting knives and the third driving parts to jointly move in the direction parallel to the to-be-cut face of the photovoltaic module; a buffering assembly is arranged between the trimming cutter and the driving end of the third driving piece. According to the secondary trimming mechani