Crimping pliers with tool bit convenient to disassemble and assemble

The utility model relates to the technical field of crimping pliers, and discloses a crimping plier convenient for dismounting and mounting a tool bit, which comprises a long handle, a movable handle and a transmission mechanism arranged between the long handle and the movable handle, and the front ends of the long handle and the movable handle are respectively provided with a first mounting cavity and a second mounting cavity. A first tong head and a second tong head are installed in the first installation cavity and the second installation cavity respectively, and positioning mechanisms are arranged between the first tong head and the first installation cavity and between the second tong head and the second installation cavity respectively. By arranging the limiting device, the limiting device is opened through the driving rod, so that the corresponding first tong head or the second tong head is separated from the fixed state, and the effect that a user can conveniently detach the tong head is achieved. 本实用