Band saw blade continuous tempering furnace

The utility model discloses a band saw blade continuous tempering furnace which comprises a furnace body, an electric heating wire is wound around the inner periphery of the furnace body, a furnace body inlet and a furnace body outlet are arranged at the two ends of the furnace body respectively, guide arms are arranged at the furnace body inlet and the furnace body outlet, sliding grooves are formed in the guide arms, sliding blocks are arranged in the sliding grooves in a sliding mode, and the sliding blocks are connected with the furnace body inlet and the furnace body outlet. A clamping part is arranged on the sliding block, a clamping groove connected with the clamping part in a clamped mode is formed in the sliding groove, and a rotary disc is connected to the top of the sliding block. According to the continuous tempering furnace for the band saw blades, the band saw blades can be continuously heated in the furnace body of the tempering furnace and cooled outside the furnace body by arranging the guide