PCB printing loading jig without auxiliary tool

The utility model relates to a printed circuit board (PCB) printing loading jig without an auxiliary tool, which comprises a carrier body and a buckling mechanism, and the carrier body is provided with a PCB accommodating groove; a positioning column is arranged in the PCB accommodating groove, and a buckle limiting groove is formed in the PCB accommodating groove; the buckle mechanism is arranged in the buckle limiting groove; the positioning columns are matched with positioning holes of the PCB; the buckle mechanism is in buckle connection with a buckle hole of the PCB; the buckling mechanism comprises a movable clamping piece and a buckling spring; a vertical limiting groove is formed in the side wall of the buckle limiting groove; the movable clamping piece is clamped in the vertical limiting groove in a sliding manner; the movable clamping piece comprises a vertical limiting boss, a PCB clamping boss and a spring limiting boss; the PCB clamping boss and the spring limiting boss are arranged at the two en