Steel rolling material high-precision metering device

The utility model relates to the technical field of steel rolling metering, in particular to a high-precision metering device for steel rolling materials. According to the technical scheme, the device comprises a weighing sensor, a first limiting frame, a top plate, a control box and a printer, the first limiting frame is fixed to the middle of the upper end face of a bottom plate, springs are fixed to the positions, located at the four corners in the first limiting frame, of the upper end face of the bottom plate, and the weighing sensor is fixed to the middle of the upper end face of the bottom plate; four supporting strips are fixed to the upper end face of the top plate at equal intervals, a second limiting frame is fixed to the middle of the lower end face of the top plate, the top plate is connected to the outer side of a first limiting frame in a sleeving mode through the second limiting frame, a drawer is movably installed at the lower end of the front side of the printer, and a paper outlet groove is