Pole piece exchange belt device

The utility model relates to the technical field of battery cell production equipment, and particularly discloses a pole piece exchange belt device. The utility model discloses a pole piece exchange belt device which comprises a fixing clamp used for clamping an old material belt. The exchange belt suction cup mechanism is arranged on the side, in the old material belt conveying direction, of the fixing clamp, the exchange belt suction cup assembly comprises a first suction cup and a second suction cup, and the first suction cup and the second suction cup are both in transmission connection with a clamping driving assembly so that the first suction cup and the second suction cup can be relatively close to or away from each other; the cutter assembly is arranged on the first suction cup and used for cutting off the old material belt; and the conveying clamp is arranged on one side of the exchange belt suction cup mechanism and used for clamping a new material belt, and the conveying clamp is in transmission co