Pressing mechanism for cutting machine

The utility model relates to a pressing mechanism for a cutting machine, which is mainly applicable to a high-speed precise cutting machine for cutting flexible materials. The pressing mechanism comprises a cutter holder and a blade, and is characterized in that the pressing mechanism is further provided with a pressing pad, a spring and a sealing ring, the pressing pad is connected with the spring, a notch is arranged at the lower end of the pressing pad, the spring is fixed on the cutter holder, and the sealing ring is disposed in the pressing pad and contacts with the cutter holder. The pressing mechanism is compact and reasonable in structural design, small in volume, low in cost and convenient and reliable in use, cannot tilt or turn up on two sides of a cutting surface, and can effectively prevent dust particles from damaging a friction surface of the cutter holder.