Vertical machining hydraulic multi-station clamp for corner connecting piece workpiece

A vertical machining hydraulic multi-station clamp for a corner connecting piece workpiece is good in clamping precision and stability, high in machining quality, high in production efficiency and suitable for mass production. The device comprises a bottom plate, a profiling positioning mechanism and a clamping mechanism are installed on the bottom plate, the profiling positioning mechanism comprises a base, a positioning block is installed on the base and provided with a profiling groove, the profiling groove is matched with the cylindrical part of the connecting piece, a profiling block is installed on the base on the side of the profiling groove, and the profiling block is matched with the cylindrical part of the connecting piece. Limiting blocks are arranged on the portions, on the two sides of the profiling block, of the bottom plate respectively, and the top of the profiling block and the cylindrical arc faces of the limiting blocks on the two sides jointly define a profiling positioning system for the