Novel clamping device

The utility model discloses a novel clamping device, which relates to the technical field of machining and comprises a hollow base, a hollow sliding seat is slidably connected to the inner side of the hollow base, hollow sliding barrels are fixed on two sides of the inner side of the hollow base, and a sliding rod is slidably connected to the inner side of each hollow sliding barrel. A driving assembly is further arranged between the hollow base and the hollow sliding seat, a vertical plate is fixed to the upper end of the hollow base, a vertical frame is fixed to the upper end of the hollow sliding seat, a clamping jaw assembly is arranged at the end, close to the vertical frame, of the vertical plate, and a clamping plate assembly is arranged at the end, close to the vertical plate, of the vertical frame. According to the novel clamping device, through the overall structural matching design, workpieces of different models and sizes can be clamped and fixed, then the clamping device does not need to be repla