Tool changing process for scrap cutter on rolling-cutting type double-side shear

The invention relates to a pair of rolling-cutting type double-side shears, in particular to a cutter changing process for an upper scrap cutter of the rolling-cutting type double-side shears, which comprises a cutter taking tool used in the cutter changing process, and the cutter taking tool comprises a wood plate used for bearing the upper scrap cutter and baffles arranged on two sides of the middle part of the wood plate in the axial direction. According to the cutter changing process, the upper edge breaking cutter and the cutter box are taken out together under the cooperation of the cutter taking tool, the cutter box is lifted through the cutter taking tool, the baffle is aligned with the cutter box sliding groove, the cutter box is installed, and therefore the situation that an operator manually lifts the cutter box to install the cutter box is avoided; an oil pipe of the main cutter locking hydraulic cylinder is connected to the upper scrap cutter locking hydraulic cylinder in a rotating mode, the oil