Slitting and screening machine for processing prefabricated vegetable raw materials

The invention discloses a cutting and screening machine for processing prefabricated vegetable raw materials, the cutting and screening machine comprises a cutting machine, a screening unit and a vibration machine, the cutting machine comprises a cutting cylinder, the top end of the cutting cylinder is detachably connected with a cover plate, and a feeding hole is formed in the top surface of the cover plate; a feeding assembly is arranged under the feeding port in a right-facing mode, the feeding assembly is rotationally connected with the slitting cylinder, two slitting units used for adjusting the size of cut vegetables are arranged under the feeding assembly in a right-facing mode, a fixing plate is fixedly connected between the two slitting units, and the cutting directions of the two slitting units are perpendicular to each other; the bottom face, located below the fixing plate, of the slitting unit is fixedly connected with a stirring assembly used for cutting off vegetable strips. The bottom surface o