Building steel bar polishing device

The utility model discloses a building reinforcing steel bar polishing device, which relates to the technical field of building reinforcing steel bar processing and comprises a polishing table, supporting legs are fixed on two sides of the bottom of the polishing table, connecting supports are fixed at two ends of one side of one supporting leg, and a fixing plate is fixed at one ends of the two connecting supports far away from the supporting legs. A grinding mechanism is arranged on the fixing plate, a containing groove is formed in the upper portion of the grinding table, L-shaped rods are rotationally arranged at the ends, close to the grinding mechanism, of the outer walls of the two opposite sides of the grinding table correspondingly, pin shafts are fixed to the upper ends of the sides, close to each other, of the two L-shaped rods correspondingly, and a pressing roller is fixed between the two pin shafts. A trapezoidal block is fixed to the lower ends of the sides, close to each other, of the two L-sh