PCBA auxiliary welding jig

The utility model discloses a PCBA auxiliary welding jig, and relates to the PCBA welding technology field, the PCBA auxiliary welding jig comprises a base plate, a fixing groove, a fixing rod and a supporting rod, the upper end surface of the base plate is provided with the fixing groove, the inner bottom end of the base plate is movably provided with the supporting rod, the upper end of one side of the base plate is provided with a fixing mechanism, and the fixing mechanism is provided with a clamping mechanism. The fixing mechanism comprises a first sliding groove, a fixing rod, a mounting groove, a motor, a threaded rod, a linear sliding rail, a second sliding block and a threaded block, a supporting mechanism is arranged at the bottom end in the bottom plate and comprises a second sliding groove, a supporting rod, a sliding rod and a first sliding block, and an infrared sensor and a pressure sensor are arranged in the fixing rod. According to the PCBA fixing device, the fixing mechanism and the supportin