Movable front supporting material for bending machine

The utility model discloses a movable front retainer for a bending machine, which belongs to the technical field of workpiece processing and comprises a placing table, two placing grooves are arranged on the front side of the placing table, the front side of the inner wall of each placing groove is in lap joint with one end of the front side of a limit rod, and the outer surface of the limit rod is in lap joint with the inner wall of a limit hole. The limiting holes are formed in the front faces of the fixing rods, the outer surfaces of the fixing rods are in lap joint with the inner walls of the fixing holes, and the fixing holes are formed in the left side faces of the containing plates. According to the movable front supporting material for the bending machine, by arranging the containing table, the front supporting material and the sliding groove, a threaded rod is rotated to drive a threaded cap to move front and back, so that the front supporting material can drive a workpiece to move to make contact wi