Trunk type new energy automobile battery replacing device

The invention discloses a trunk type new energy automobile battery replacing device which comprises a left-right displacement mechanism, a rotary mechanism, a cantilever mechanism and a front-back displacement mechanism. The cantilever mechanism can be subjected to lifting adjustment. The front-back displacement mechanism comprises a second linear sliding rail and a plurality of second sliding blocks. The second sliding blocks are fixed to the bottom face of a cross arm, the second linear sliding rail is connected with a sliding plate, and one side of the sliding plate is connected with a gearrack. A second motor is further included, the second motor is fixed to the side face of the other end of the cross arm, a gear is arranged on the second motor, and the gear is engaged with the gear rack. A battery grabbing mechanism is further included, and comprises a conveying belt frame, two power belt wheels and a first conveying belt, a plurality of electromagnetic suction heads are arrangedon the first conveying be