Three-side cutting mechanism

The utility model relates to a three-side cutting mechanism. A lifting mechanism is installed on a transverse cutter air cylinder installation plate, a fixed guide rod is installed at the lower end of the transverse cutter air cylinder installation plate, and a longitudinal cutter group installation plate is installed on the transverse cutter air cylinder installation plate. A transverse cutting pressing component is arranged on the back face of the transverse cutter air cylinder installation plate. A box pressing mechanism is arranged at the front end of the transverse cutting pressing component, a lower sealing lifting mechanism is arranged at the lower end of the box pressing mechanism and on a module lower support of the lower sealing lifting mechanism, and a lower sealing block is arranged on a lower pushing block support seat. Silicon rubber on two sides is arranged below a left cutter mechanism and a right cutter mechanism, and cutting single-side silicon rubber is arranged above the lower sealing bloc