Multi-point supporting and clamping fixture for castings

The utility model discloses a multipoint supporting and clamping fixture for castings. BASE PLATE, a plurality of fixed supporting columns, a plurality of locking columns and a plurality of adjustingsupporting pieces are arranged on the base plate. The locking column comprises a column rod and a pressing plate, a supporting protruding block and a locking screw hole are formed in the end face of the column rod, a through hole is formed in the pressing plate, a locking screw penetrates through the through hole to be matched with the locking screw hole to lock the pressing plate, one end of thepressing plate is supported by the supporting protruding block, and the other end of the pressing plate can be pressed on a workpiece. According to the structure, multi-point movable supporting and clamping are adopted, supporting points selected by people are positions with small deformation, and the support can be finely adjusted by adjusting the lifting of the supporting piece, so that the structure adapts to workpieces