A sintering furnace with dust cleaning and transporting function, characterized in that it comprises: a sintering chamber, wherein a plurality of first heating rollers and a plurality of second heating rollers are provided in the sintering chamber, and a carrier roller is provided between the first heating rollers and the second heating rollers; a middle housing provided on a lower side of the sintering chamber, wherein a first inclined plate and a second inclined plate are fixedly mounted in the middle housing, a fan is fixedly mounted on the middle housing and is used for blowing away dusts on the first inclined plate and the second inclined plate; a bottom housing fixed to the middle housing, wherein a sixth electric motor is fixedly mounted on the bottom housing, a spiral roller is fixedly mounted on a rotating shaft of the sixth electric motor, the spiral roller is located at the bottom ends of the first inclined plate and second inclined plate, an dust outlet is fixedly mounted on one end of the bottom housing, a closing plate is fixedly mounted on the dust outlet and is rotatably connected to the spiral roller, and an opening is provided between the dust outlet and the closing plate for dust falling; a plurality of first cleaning blocks and a plurality of second cleaning blocks provided in the housing and located at either side of the second inclined plate respectively, wherein a compression spring is provided in the bottom housing for pushing the first cleaning blocks and the second cleaning blocks in a direction of the sixth electric motor, a hole is provided in the first cleaning blocks, a short rod is fixedly mounted on the second cleaning blocks, a small spring is sleeved on the short rod, and when the hole of the first cleaning blocks is engaged with the short rod, the combination of the first cleaning block and the second cleaning block is adhered to a lower end of the second inclined plate and slides in the second inclined plate, a threaded hole is provided on the first cleaning block and the second cleaning block to be engaged with the spiral roller; and a first pushing assembly and a second pushing assembly provided on the bottom housing, wherein the first pushing assembly is designed to push the first cleaning block and the second cleaning block from either side of the second inclined plate to the middle of the second inclined plate, and the second pushing assembly is designed to push the first cleaning block and the second cleaning block into the spiral part of the spiral roller, and the spiral roller rotates to drive the first cleaning block and the second cleaning block to slide in the second inclined plate. a sintering chamber, wherein a plurality of first heating rollers and a plurality of second heating rollers are provided in the sintering chamber, and a carrier roller is provided between the first heating rollers and the second heating rollers; a middle housing provided on a lower side of the sintering chamber, wherein a first inclined plate and a second inclined plate are fixedly mounted in the middle housing, a fan is fixedly mounted on the middle housing and is used for blowing away dusts on the first inclined plate and the second inclined plate; a bottom housing fixed to the middle housing, wherein a sixth electric motor is fixedly mounted on the bottom housing, a spiral roller is fixedly mounted on a rotating shaft of the sixth electric motor, the spiral roller is located at the bottom ends of the first inclined plate and second inclined plate, an dust outlet is fixedly mounted on one end of the bottom housing, a closing plate is fixedly mounted on the dust outlet and is rotatably connected to the spiral roller, and an opening is provided between the dust outlet and the closing plate for dust falling; a plurality of first cleaning blocks and a plurality of second cleaning blocks provided in the housing and located at either side of the second inclined plate respectively, wherein a compression spring is provided in the bottom housing for pushing the first cleaning blocks and the second cleaning blocks in a direction of the sixth electric motor, a hole is provided in the first cleaning blocks, a short rod is fixedly mounted on the second cleaning blocks, a small spring is sleeved on the short rod, and when the hole of the first cleaning blocks is engaged with the short rod, the combination of the first cleaning block and the second cleaning block is adhered to a lower end of the second inclined plate and slides in the second inclined plate, a threaded hole is provided on the first cleaning block and the second cleaning block to be engaged with the spiral roller; and a first pushing assembly and a second pushing assembly provided on the bottom housing, wherein the first pushing assembly is designed to push the first cleaning block and the second cleaning block from either side of the second inclined plate to the middle of the second inclined plate, and the second pushing assembly is designed to push the first cleaning block and the second cleaning block into the spiral part of the spiral roller, and the spiral roller rotates to drive the first cleaning block and the second cleaning block to slide in the second inclined plate.