Overflow extrusion type tin furnace

An overflow extrusion type tin furnace, used for soldering tin on a wire. The overflow extrusion type tin furnace comprises a base, a tin furnace body, a transition bin, a tin adhering bin, an extrusion mechanism and a piston mechanism. The tin furnace is used for melting soldering tin. The transition bin comprises a transition bin body and a flow channel. The transition bin body is communicated with the tin furnace through the flow channel. The tin adhering bin comprises a fixed edge, a tin adhering bin body, an insertion hole, a channel, a drainage hole and a wire passing groove. The tin adhering bin body is inserted into the transition bin body, and the tin adhering bin body and the transition bin body are arranged in a spaced mode. The insertion hole is located between the tin adhering bin body and the transition bin body. The flow channel and the channel are positioned on the same horizontal plane. According to the overflow extrusion type tin furnace, tin slag does not need to be eliminated any more, the