Mechanism for automatically assembling PCB (Printed Circuit Board) of flat transformer

The utility model belongs to the technical field of panel transformer assembling equipment, and particularly relates to a mechanism for automatically assembling a PCB (printed circuit board) of a panel transformer, which comprises a tray conveying belt for conveying trays, a jig conveying belt for conveying jigs, a PCB positioning component and a PCB grabbing component, a full tray position, a working position and an empty tray position are sequentially arranged in the conveying direction of the tray conveying belt. The PCB positioning assembly is located between the tray conveying belt and the jig conveying belt and used for positioning PCBs in the trays from the working positions. The PCB grabbing assembly is located between the charging tray conveying belt and the jig conveying belt, and the PCB grabbing assembly can achieve three-axis movement in space and is used for grabbing a PCB; wherein the PCB grabbing assembly moves among the charging tray conveying belt, the PCB positioning assembly and the jig co