Power-up mechanism

The utility model discloses a power-up mechanism which comprises a base and a sliding table air cylinder, the sliding table air cylinder is installed on the rear side of the base, a clamping jaw air cylinder is installed above the movable end of the sliding table air cylinder, and the clamping jaw air cylinder is driven by the sliding table air cylinder to do linear motion in the direction perpendicular to an FA chip product. A clamping jaw of the clamping jaw air cylinder is fixedly provided with a power-on piece, and the clamping jaw air cylinder drives the power-on piece to press down and contact with the PCB to complete a power-on test or lift up the power-on piece to finish the power-on test; the base is further provided with a positioning table, the positioning table is arranged on one side close to the clamping jaw air cylinder, the positioning table is provided with a plurality of positioning grooves, the positioning grooves are used for positioning the placement positions of the PCBs, and after the p