Electricity deposition of metal prestripping device

The utility model discloses an electricity deposition of metal prestripping device, including frame, both sides knife subassembly, middle broach subassembly and hoisting device to one side, the frame includes base, stand, L type support, crossbeam and goes up the frame, both sides knife subassembly is including distributing two sets of knife subassemblies in the left and right sides of negative pole face, and the every set of knife subassembly includes prestripping knife, first forerunner's swing arm, first back actuating arm, a guider, lazytongs, hydro -cylinder and force down the hydro -cylinder opens and shuts, middle broach subassembly to one side include actuating arm behind oblique broach, second forerunner swing arm, the second a guider, lazytongs, hydro -cylinder and force down the hydro -cylinder opens and shuts, hoisting device includes lift cylinder, the 2nd guider, negative plate couple and the electrically conductive first adjusting block of negative plate. Small, it can the reinforce to shell zinc, the prestripping success rate is high and be convenient for follow -uply shell the zinc operation and go on, the suitability is strong, efficient.