Feeding device of tempering furnace

The utility model relates to the field of tempering furnaces, in particular to a feeding device of a tempering furnace, which comprises a feeding cart, the feeding cart is arranged at the front end of a feeding port of a tempering furnace body, the feeding cart comprises a workbench, a plurality of first rollers are uniformly and rotatably arranged in a groove at the front end of the workbench, and a push rod is fixedly connected to the tail end of the workbench body. The foremost end of the workbench is rotatably connected with a second roller, the upper surface of the workbench is provided with a slidable pushing device, the middle of the surface of the bottom end of the workbench is connected with a driving mechanism, and the second roller capable of rolling is arranged on the feeding cart, so that materials placed on the feeding cart are pushed forwards through the pushing device; an auxiliary supporting rod and a rolling wheel are arranged in a sliding groove to be matched with rolling of a second rollin