Monocrystalline silicon solar cell automatic series welding device

The invention discloses an automatic series welding device for monocrystalline silicon solar cells, and belongs to the technical field of welding equipment. The automatic welding device comprises an outer frame, a feeding mechanism, a welding mechanism and a transposition mechanism. The number of the feeding mechanisms is two, each feeding mechanism comprises a feeding assembly and a driving assembly, the driving assemblies are used for driving the feeding assemblies and the transposition mechanism, and the feeding assemblies are used for conveying battery pieces to the transposition mechanism; the welding mechanism is installed on the U-shaped frame, the welding mechanism comprises a welding head, and the welding head is installed on a moving assembly; the number of the transposition mechanisms is two, the two transposition mechanisms are symmetrically arranged on the outer frame, each transposition mechanism comprises four bearing plates which are arranged in a circumferential mode, and the bearing plates a