Printing work box and 3D printing equipment

The invention relates to a printing work box which comprises a work box body, a printing bottom plate, a blocking assembly and a driving mechanism, the printing bottom plate is movably arranged in the work box body, the blocking assembly is movably arranged at the bottom of the printing bottom plate, and the blocking assembly is in driving connection with the driving mechanism; the printing bottom plate is provided with a plurality of sand leakage holes distributed at intervals, the plugging assembly comprises a plurality of plugs distributed at intervals, and the driving mechanism drives the plugging assembly to move so that the plugs can plug the sand leakage holes or be away from the sand leakage holes. The invention further relates to 3D printing equipment. According to the scheme, the problems that an existing sand mold formed through printing is complex in sand cleaning procedure, high in cost and the like can be solved. 本申请涉及一种打印工作箱，包括工作箱本体、打印底板、封堵组件和驱动机构，所述打印底板可移动地设置于所述工作箱本体内，所述封堵组件可移动地设置于所述打印底板的底部，且所