Clamping tool for circuit board cutting

The utility model discloses a clamping tool for cutting a circuit board, which comprises a bottom frame formed by connecting four support rods end to end to form a square shape; side baffles are fixed to the two sides of the upper face of the bottom frame, installation platforms are fixed to the opposite side faces of the side baffles, conveyors are installed on the installation platforms, and the upper surfaces of the conveyors are lower than the side baffles. A lower pressing plate is installed above the conveyor, when the lower pressing plate does not press downwards, a gap is formed between the lower pressing plate and the conveyor, an installation frame is fixed to the side face, away from each other, of the lower pressing plate, a driving air cylinder is installed in the center of the lower face of the installation frame, a fixing base is fixed between the driving air cylinder and a bottom frame, and a waste chip collecting frame is placed below the bottom frame. And the scrap collecting frame can move