Plastics 3D printing apparatus

The utility model discloses a plastics 3D printing apparatus, including control system, plastics feeding mechanism, connection the hot nozzle of plastics feeding mechanism and being located the receipt basement of hot nozzle below, the plastics feeding mechanism by control system control to hot nozzle supply plastics, plastics are heated during through hot nozzle to be arrived to molten condition blowout and deposit on receiving the basement, still include additive feeding mechanism and connection the micropore shower nozzle of additive feeding mechanism, the additive feeding mechanism by control system control to the supply of micropore shower nozzle can be corroded or dissolve the additive of plastics, the additive passes through the micropore shower nozzle sprays receive in the basement on the sedimentary plastics, and act on sedimentary plastics and form the micropore on its surface. Use the utility model discloses an equipment carries out plastics 3D to be printed, can show cohesion between the layer of improving 3D printing unit spare.