Carrier, battery processing device and battery production line

The utility model is suitable for the technical field of batteries, and provides a carrier, a battery processing device and a battery production line. The carrier comprises a carrier body and an identification module, the carrier body is provided with a containing groove, and the containing groove is used for containing a to-be-machined product. The identification module is of an annular structure, is mounted on the carrier main body and is arranged around the axis of the accommodating groove; the carrier body is further provided with an avoiding hole, the avoiding hole penetrates through the groove bottom of the containing groove and the face, away from the containing groove, of the carrier body, and the avoiding hole is used for avoiding external machining equipment to achieve detection of the battery. A mounting groove is formed in the carrier main body, and the identification module is mounted in the mounting groove; the mounting groove is arranged around the receding hole, and the mounting groove is located in the end face, opposite to the opening of the containing groove, of the carrier body. According to the carrier, the battery processing device and the battery production line provided by the invention, a reading blind area is eliminated, and the production cost is reduced.