Steel bar fixed-length automatic cutting device

The utility model discloses a fixed-length automatic cutting device for reinforcing steel bars, which is characterized in that a feeding module and a fixing frame are arranged on a bottom plate, and a feeding wheel is arranged on the feeding module to realize guide conveying of the reinforcing steel bars; a fixed cutter is arranged on the rear side of the feeding module; a sliding block is vertically arranged on the top of the bottom die fixing frame, a movable cutter is arranged on the sliding block, and an elastic reset device is arranged on the sliding block to achieve automatic reset after the cutting action. A movable cushion block is arranged at the top of the sliding block, and the movable cushion block is intermittently overlapped with the sliding block to realize force application transmission of an external punch; a swing part is hinged and fixed in an adjusting groove in the fixing frame, one end of the swing part is in extrusion fit with the tail end of the reinforcing steel bar, the other end of