Oven and battery assembly line production device

An oven for drying an electrode plate, the oven comprising a first oven unit, a second oven unit, a third oven unit, and a fourth oven unit that are sequentially connected in series in a conveying direction of the electrode plate, wherein:

• each of the first oven unit, the second oven unit, the third oven unit, and the fourth oven unit is internally provided with at least one oven body arranged in series in the conveying direction, each of the at least one oven body having a drying channel that extends in the conveying direction;
• each of the first oven unit, the second oven unit, the third oven unit, and the fourth oven unit further comprises two opposite air nozzle groups that are located in the drying channel and respectively disposed at a first side and a second side of the drying channel in the conveying direction, each of the two air nozzle groups comprising a plurality of air nozzles arranged at intervals in the conveying direction;
• each of the first oven unit and the third oven unit further comprises at least one infrared heater group located in a corresponding drying channel, the at least one infrared heater group being disposed on at least one of the first side and the second side of the drying channel, and each of the at least one infrared heater group comprising a plurality of infrared heaters arranged at intervals in the conveying direction;
• and
• the plurality of infrared heaters in each infrared heater group and the plurality of air nozzles located at one side of the drying channel are alternatively arranged in the conveying direction.