Piano type efficient self-cleaning screen

The utility model discloses a piano type efficient self-cleaning screen which comprises a rectangular screen frame formed by a left baffle, a right baffle and multiple beams fixed between the left baffle and the right baffle, wherein a feed plate is fixed between the upper surface of the first beam at the front part of the screen frame and the left baffle and right baffle; in two adjacent beams, multiple backward first insertion holes are formed in parallel at the bottom of the front beam, an insertion piece and a block piece are fixed at the rear part of the back beam, and the block piece is located below the insertion piece; the insertion pieces of each layer are provided with multiple upward second insertion holes corresponding to the first insertion holes; and L-shaped screen rods capable of jumping up and down are inserted between the first insertion holes and the second insertion holes. The piano type efficient self-cleaning screen disclosed by the utility model has the beneficial effects that: by adopt