Slag receiving device of selective wave soldering machine and wave soldering machine

The invention relates to a selective crest welder slag receiving device and a crest welder, and relates to the field of welding tools. The discharging device comprises a plurality of discharging discs, every two adjacent discharging discs are connected through a separable connecting base, and each discharging disc is provided with a handle and a rolling wheel. The plurality of material placing trays comprise a tool tray for placing equipment maintenance tools, a first material receiving tray for receiving waste falling from spraying scaling powder, and a container tray for placing accessories in a tin pot; the bottom of the tool shelf is connected with a plurality of tool partition plates extending to the side wall of the tool shelf and tool hooks installed on the side wall of the tool shelf. A chamfer is arranged between the side wall of the first material receiving disc and the bottom of the first material receiving disc; a shock pad and an anti-skid pad are sequentially laid on the container disc from bott