Press-fitting retaining device for spring

The utility model belongs to the technical field of press-fitting retaining devices, particularly relates to a press-fitting retaining device for a spring, and aims to solve the problem that the existing press-fitting retaining device cannot automatically drive the spring to be compressed, and adopts the technical scheme that the press-fitting retaining device comprises a bracket, two shaft rods are fixedly mounted on the bracket, and clamping plates are rotationally mounted on the two shaft rods; the two clamping plates are both provided with torque springs, the support is provided with a rotary clamping mechanism, the rotary clamping mechanism comprises a rotating disc, a rotating rod is fixedly installed on the rotating disc, a fixing rod is fixedly installed on the rotating disc, a screw is fixedly installed on the fixing rod and is in threaded connection with the support, a pressing sleeve is fixedly installed on the fixing rod, and the pressing sleeve is in threaded connection with the rotating disc. Th