Leftover material removing device

The utility model discloses a leftover material removing device which comprises a working table, supporting legs are fixed to the four end corners of the lower end of the working table, and clamping combination devices are arranged on the two sides of the upper end of the working table. The clamping combination device comprises fixing rods, the lower ends of the fixing rods are fixed to the workbench, cavities are formed in the opposite sides of the two fixing rods, and clamping equipment is fixed to the side, away from the fixing rods, of the rotating equipment; lifting equipment is further arranged in the cavity and used for adjusting the height of the rotating equipment. According to the leftover material removing device, through the structural design of the clamping combination device, when a door plate needing to be cut is clamped on the clamping device, the height of the rotating device can be adjusted through the lifting device, the clamping device can rotate through the rotating device, and therefore