Full-automatic assembling production line for speed reducer

The full-automatic speed reducer assembling production line comprises a conveyor, one end of the conveyor is the starting end, the other end of the conveyor is the tail end, a visual positioning tray feeding station is arranged at the starting end of the conveyor, and the visual positioning tray feeding station comprises a shell transferring mechanical arm; a discharging mechanism is arranged at the tail end of the conveyor; a bearing heating machine, a second pressing machine, a clamp spring feeding machine, a first oil seal feeding machine, an oiling machine, a sealing washer feeding machine, a third pressing machine, an automatic screw driving machine and a second oil seal feeding machine are sequentially arranged in the conveying direction of the conveyor. A first pressing machine is arranged beside the starting end of the conveyor, and a first bearing feeding assembly is arranged beside the first pressing machine. A multi-gear feeding assembly is arranged beside the second pressing machine. A fourth pres