Injection mold waste collecting device for printer

The utility model discloses an injection mold waste collecting device for a printer, and belongs to the technical field of molds. The device comprises a bottom plate, supporting rods are connected tothe upper surface of the bottom plate, a smashing mechanism is arranged at the upper ends of the supporting rods and comprises a smashing box, a motor, a transmission belt, a rotating shaft and smashing cutters, and the upper ends of the supporting rods are connected with the smashing box; a pipeline, a shaftless auger and a fan are arranged; air in the pipeline can be sucked away by the fan; negative pressure is generated in the pipeline; absorbing external waste, waste materials sucked into the pipeline can reach the crushing box under the transportation of the shaftless packing auger; through arrangement of a motor, a crushing cutter and a screening plate, the motor can drive the crushing cutter connected to a rotating shaft to rotate through a transmission belt to crush materials, andthe screening plate enable