| 摘要 |
Disclosed is a raw material supply device for a three-dimensional printer. According to one embodiment of the present invention, the raw material supply device for a three-dimensional printer comprises: a furnace having a receiving unit which contains a plastic waste material to be used as a material for prototype production of a three-dimensional printer; a heating unit containing a bottom heat wire unit which is disposed on the bottom of the furnace and a plurality of heat wires, in units of one or n, which are disposed in the longitudinal direction of the furnace; a cover unit which is disposed at the receiving unit of the furnace and due to its own weight, descends toward the plastic waste material in the downward direction of the receiving unit and has a supplemental heating unit which, together with the heating unit, applies heat toward the plastic waste material; and a withdrawing unit having a protruding part which is extended upward from the inside of the bottom surface of the furnace, and a pressing plate which is connected to the protruding part and disposed at a terminal unit extended outward from the furnace. |
