Electric calibrating machine for aluminum electrolysis cell switch compression joint device

The invention relates to the technical field of equipment for aluminum electrolysis production, and specifically relates to an electric calibrating machine for an aluminum electrolysis cell switch compression joint device. The machine comprises a rack supporting seat and a rack platform, wherein a track is arranged at one end of the upper part of the rack platform, and a positioning baffle plate is arranged at the other end of the upper part of the rack platform; a limiting plate is arranged on the track; a calibrating pressing block is arranged at one end, close to the positioning baffle plate, of the limiting plate; a returning limiting block and a compressing limiting block are arranged on the limiting plate; transmission racks which are engaged with chain wheels are arranged at two sides of the limiting plate; a motor is connected to the lower parts of the chain wheels and is connected to a power control device; a returning limiting switch and a compressing limiting switch are correspondingly mounted at t