Aluminum substrate edge cutting device

The utility model provides an aluminum substrate edge cutting device, relates to the technical field of workpiece machining devices, and aims to solve the problems that an existing aluminum substrate edge cutting device is not easy, convenient and rapid to operate and is inconvenient to adjust according to the size of an aluminum substrate, so that the overall machining efficiency is affected. Comprising a bearing sliding frame; a bearing branch groove is formed in the top of the bearing sliding frame, and meanwhile an assembling top frame is installed at the top of the bearing sliding frame. The bearing sliding frame is installed at the top of the bearing branch groove, meanwhile, a cutting displacement structure is installed on the inner side of the bearing sliding frame, and a cutting driving structure is installed on one side of the bearing sliding frame; a cutting motor drives a driving gear to rotate, then a transmission gear drives an assembling carrying shaft to rotate continuously, so that a cutting