PCB (Printed Circuit Board) surface mounting jig

The utility model discloses a PCB (Printed Circuit Board) patch jig, which comprises a base and a fixing mechanism, a telescopic mechanism is arranged on one side of the base, and a fixing mechanism is arranged on one side of the telescopic mechanism; the fixing mechanism comprises a mounting base, a clamping groove is formed in one side of the mounting base, notches are symmetrically formed in the middle of the mounting base, a sliding rod is arranged in the middles of the notches in a penetrating mode, a reset spring is arranged on one side of the sliding rod in a sleeved mode, and the reset spring elastically drives a spring plate arranged on one side of the sliding rod to reciprocate along the axis of the sliding rod. The PCB is fixed through the fixing mechanism connected with the telescopic mechanism arranged on one side of the base, and the PCB is stressed and fixed through the spring plate arranged in the mounting seat under the action that the sliding rod is driven by the elastic force of the reset s