Production line guardrail for mechanical manufacturing and processing factory

The utility model relates to the technical field of mechanical manufacturing, in particular to a production line guardrail for a mechanical manufacturing and processing factory, which comprises a frame, a protective net is fixedly mounted in the frame, a first support is arranged on the left side of the frame, and a second support is arranged on the right side of the frame. The first support, the second support, the frame, the side plates, the clamping seats, the springs and the T-shaped grooves are used in cooperation, the clamping seats on one side of the first support are pulled out of the containing grooves, the springs between the containing grooves and the clamping seats are stretched at the same time, then the side plates on one side of the frame are clamped in the T-shaped grooves in the clamping seats at the positions, then the clamping seats are loosened, and the clamping seats are pulled out. At the moment, the stretched spring can drive the clamping base to reset and be stored in the storage groov