Material supporting and clamping mechanism

The utility model relates to the technical field of clamping mechanisms, in particular to a material supporting and clamping mechanism. The mold comprises a mold base used for playing a foundation supporting role, an air cylinder used for providing a power source is arranged at one end of the upper portion of the mold base, the air cylinder is installed and fixed through a support arranged on the upper portion of the mold base, and a fixing base connected with the mold base and used for playing a positioning role is arranged on one side of the support. One end of the air cylinder is provided with a connector which is connected with the air cylinder and driven by the air cylinder to move, and one side of the fixing base is provided with a clamping assembly which is driven by the air cylinder and used for clamping a steel bar. Due to the fact that the clamping assembly used for clamping the steel bar is designed on the upper portion of the die base for machining the steel bar, effective clamping operation can b