Processing device for producing novel tobacco shreds according to set length

The invention provides a processing device for producing novel tobacco shreds according to a set length. The processing device comprises a feeding device, a screening device, a tobacco cutter and a rack, wherein the feeding device is located at the head of the screening device, the shredding machine is located at the tail of the screening device, the screening device is located on the lower portion of the feeding device, and the feeding device, the screening device and the shredding machine are fixed to the rack; a plurality of tooth-shaped rollers of the tobacco cutter are fixed to a rack in a coupling mode, and axial projections of the tooth-shaped rollers are of a quadrilateral structure contracting in the horizontal radial direction. A gap is formed between the upper row chain and the lower row chain of the tobacco cutter; the inner side of a shredding knife of the shredding machine is close to the tail part of the upper row chain, and the cutting edge of the shredding knife is downwards and fixedly arran