Patent ID: 7847217

Claim:
A hot-melting method, comprising: providing a hot-melting machine, the hot-melting machine comprising a rotatable worktable, a heater, at least one cooler, and a plurality of carriers located on the worktable and being uniformly spaced apart, wherein the at least one cooler comprises an actuator and a cooling device disposed at a bottom end of the actuator, the actuator is capable of driving the cooling device to move down and up, and the cooling device is capable of cooling workpieces and comprises a cooling mold and a fastening member, the fastening member connects the cooling mold to the actuator, the cooling mold comprises a protrusion, and the protrusion defines a gas output vent and a plurality of intersecting channels communicating with the at least one gas output vent; and cooling a first workpiece loaded on a first one of the carriers using the at least one cooler, and simultaneously heating a second workpiece loaded on a second one of the carriers using the heater.