Patent attributes
A three-dimensional printing head includes a housing (100), a fusing module (200) arranged in the housing (100), and a heat dissipation module (300). The fusing module (200) is disposed in the housing (100) and includes a feeding tube (210) with both ends open. A feeding inlet (211) for receiving a filament material (20) is at one end of the feeding tube (210), a supplying nozzle (220) is at the other end of the feeding tube (210), and multiple fins (212) are formed outside of the feeding tube (210). A heater (230) is disposed at the supplying nozzle (220) to heat the same for melting the filament material (20). The heat dissipation module (300) includes a fan (310) arranged in the housing (100), and the fan (310) has an inlet side (311) and an outlet side (312) opposite thereto. The outlet side (312) is arranged toward the fusing module (200).
