Cutting piece stacking device

The utility model relates to the technical field of cutting disc production equipment, in particular to a cutting disc stacking device which comprises a base and a support, a bearing barrel is arranged at the upper end of the support and provided with a big-end-up circular-truncated-cone-shaped guide cavity, and a bearing plate is assembled on the base below the guide cavity in a guiding and sliding mode. The base is further provided with a limiting block used for limiting the initial sliding position of the bearing plate, the bearing plate is provided with a guide column extending upwards into the guide cavity along the axis of the guide cavity when the bearing plate is at the initial sliding position, and the bearing barrel is provided with a passing gap used for allowing the guide column to pass through when sliding along with the bearing plate. And the corresponding cutting sheets are guided by the guide cavity to fall until the central hole of the cutting sheets penetrates throughthe guide column, so tha