The invention discloses an aluminum ingot stacking machine, and belongs to the technical field of aluminum ingot production. The aluminum ingot stacking machine comprises a platform, a guide rail, a reversing part and a driving part, wherein the platform slides on the guide rail, the sliding platform is used for carrying out automatic stacking of the aluminum ingots from a conveying belt, the platform comprises a driving rod, guide bosses and a main friction wheel, the guide rail comprises a supporting frame, a guide groove and a reversing groove, the driving rod is located below the center ofthe platform, the driving rod is downwards connected with the main friction wheel, the number of the guide bosses is two, the two guide bosses are correspondingly positioned at opposite corners of the platform and are symmetrically arranged in a centrosymmetric manner with the driving rod, the supporting frame is fixed on a support of the ingot stacking machine, the guide groove and the reversinggroove are formed in the supporting frame, the guide groove is a straight groove, the reversing groove is provided with four sections, the four sections are arc-shaped grooves, the four-section reversing grooves are correspondingly located on the two sides of the guide groove in two pairs, the reversing part comprises a left friction wheel and a right friction wheel, when the main friction wheelmoves to the end, the main friction wheel makes contact with one friction wheel of the reversing part, the friction wheel drives the main friction wheel to rotate, and the main friction wheel drives the platform to rotate.