Novel mechanical grid for sewage impurity removal

The utility model discloses a novel mechanical grid for sewage impurity removal, which comprises a main frame and a rotary filter screen arranged on the main frame, a plurality of expansion guide components are arranged on two sides of the main frame, each expansion guide component comprises a first guide plate, a second guide plate and a connecting mechanism, the first guide plate is hinged with the second guide plate, and the connecting mechanism is connected with the first guide plate. The connecting mechanism is fixedly arranged on the first guide plate and comprises a pressing handle, a fixing seat, a pressing plate piece and a transmission piece, a connecting arm, a pressing plate shaft and a rubber sleeve are arranged at the pressing plate piece, the connecting arm is fixedly connected with the pressing plate shaft, and the rubber sleeve is rotationally arranged at the pressing plate shaft. The mechanical grid is novel in design, the floating object intercepting range is expanded by adopting the expand