Centrifugal pump inlet filter screen

The utility model relates to the technical field of centrifugal pumps, in particular to a centrifugal pump inlet filter screen which comprises a steel pressing table, an inner frustum is fixedly arranged in the top end of a cylinder, polyethylene fiber filter screens are fixedly arranged in the left end and the right end of the inner frustum, and a motor is fixedly arranged in a motor box. A threaded rod is fixedly arranged at the tail end of a main shaft of the motor, the bottom end of the threaded rod and the interior of the bottom end of the water supply cylinder are rotationally arranged, sliding grooves are formed in the inner sides of the left end and the right end of the water supply cylinder, and positioning rods are fixedly arranged between the top end and the inner side of the bottom end of the water supply cylinder; hard acrylic pressing plates are arranged on the outer sides of the threaded rods and the outer sides of the positioning rods in a sliding manner; through the cylinder, the water supply