Low-melting-point metal melt extrusion device

The utility model discloses a low-melting-point metal melt extrusion device. The extrusion device comprises an extrusion device body, a gripper mechanism and a heating block, wherein a spray head is arranged on the extrusion device body; spray head shell support, circuit adapter, adapter fixing plate, a material conveying mechanism and a nozzle heating mechanism, first heating block, a feeding pipe and a spiral heating pipe, a third heating block and a nozzle, the material conveying mechanism is composed of a feeding gear. Stepping motor conveyor belt, multifunctional clamping hand structure,the power input end of the stepping motor conveying belt is connected with the power output end of the circuit converter. The power output end of the stepping motor is connected with the first end ofthe feeding gear; according to the 3D printer nozzle, the unique design of the feeding mechanism and the internal structure of the nozzle is adopted, the phenomena that a traditional nozzle is prone to wire breakage and nozzle