Clamp for metal sheet feeding

The utility model provides a metal sheet feeding clamp which comprises a structural frame, fixing blocks are arranged in the middle of the structural frame at equal intervals, a metal plate is slidably mounted in the middles of the fixing blocks, two sets of fastening bolts are arranged in the middles of the fixing blocks, a limiting groove is formed in the middle of each fixing block and is a protruding trapezoidal block groove, and a protruding trapezoidal block is arranged at the bottom of each metal plate. A plurality of air cylinders are arranged in the structural frame, each air cylinder corresponds to the corresponding fixing block in position, limiting rods are slidably mounted at the upper ends of the air cylinders, grooves are formed in the metal plates, and through holes in the metal plates correspond to the limiting rods in position. Preliminary sliding installation is carried out through sliding of the metal plate in the middle of the fixing block, the position above the metal plate is limited th