Efficient and accurate metal abrasive material circle selecting machine

The utility model discloses an efficient and accurate metal abrasive material circle selecting machine, which relates to the technical field of circle selecting machines and comprises a machine shell, a feed hopper is arranged at the upper end of the machine shell, two longitudinal guide rail frames are arranged in the middle of the machine shell, a square frame capable of moving back and forth is arranged on the guide rail frames, and a circle selecting plate frame is arranged on the upper portion of the square frame. T-shaped supports are arranged on the side face of the circle selecting plate frame, I-shaped stand columns are arranged on the two sides of the circle selecting plate frame respectively, clamping grooves are formed in the side faces of the I-shaped stand columns, the T-shaped supports are arranged on the side face of the circle selecting plate frame, limiting parts of the T-shaped supports are located in the clamping grooves, transverse springs are connected to the T-shaped supports in a sleev