Protective plate machining and positioning tool

The utility model provides a protective plate machining and positioning tool which comprises a bearing table, a butt joint plate and a clamping assembly, and the bearing table is used for bearing a protective plate; the butt joint plate is vertically arranged on the bearing table; the clamping assembly is arranged opposite to the butt-joint plate and provided with a clamping part capable of moving in a reciprocating mode along a first preset path, the clamping part is used for being matched with the butt-joint plate to clamp a plurality of protection plates stacked along the first preset path, and the first preset path is perpendicular to the plate face of the butt-joint plate. According to the protective plate machining and positioning tool, clamping of a plurality of protective plates is achieved through the butt joint plate and the adjustable clamping part, adjustment of the clamping part can be suitable for the protective plates of different numbers, the protective plates can be machined through one-time