Multi-angle plate cutting device

The utility model relates to a multi-angle plate cutting device which comprises a rack, a workbench and a plurality of supports are arranged on the rack, air cylinders are arranged on the supports respectively, pressing blocks are arranged at the output ends of the air cylinders, a rotating disc is arranged on the workbench in a penetrating and rotating mode, cutting holes are formed in the rotating disc, and a fixing frame is arranged on the end face, away from the pressing blocks, of the rotating disc. A hydraulic cylinder is embedded in the fixing frame in the vertical direction, a motor is arranged at the output end of the hydraulic cylinder, a cutting knife matched with the cutting hole is arranged at the output end of the motor, a rotation stopping frame partially extending to the position above the workbench is arranged on the rotating disc, an abutting bolt is arranged on the rotation stopping frame, the end of the abutting bolt is rotationally connected with an abutting plate, and the abutting plate