Three-layer metal clad plate short process roll forming device and method

The invention discloses a three-layer metal clad plate short process roll forming device and method. The device comprises a rack, two rollers, a crystallizer, two tundishes and a preheating device, wherein the two rollers are horizontally mounted on the rack in parallel; the crystallizer is mounted on the two rollers; the two tundishes are mounted on the top of the crystallizer; the preheating device is mounted on the middle position of the crystallizer and between the two tundishes; a rectangular channel through which a core layer metal plate passes is formed in the center of the crystallizer and the center of the preheating device. According to the invention, structures that two crystallizing cavities are formed between the crystallizer and the two rollers and the rectangular channel through which the core layer metal plate passes is formed in the center of the crystallizer are adopted, so that after two kinds of cladding layer molten metal are continuously cooled and stirred to form a semi-solid state sizing agent in the two crystallizing cavities, the sizing agent and the core layer metal plate are directly compounded and rolled into a three-layer metal clad plate. Therefore, the three-layer metal clad plate produced by using the device and the method has the advantages that the production process flow is short, the quality is excellent and the like.