Automatic feeding and discharging and transmission device for inverted numerically controlled lathe

The utility model discloses an automatic feeding and discharging and transmission device for inverted numerically controlled lathes, which comprises a feeding and discharging platform, transmission guide rails and a workpiece overturning mechanism, wherein the feeding and discharging platform is arranged on one side of a lathe body of each lathe. Besides, a transmission hole is mounted at the back of the lathe body, and the transmission guide rails are arranged on the feeding and discharging platform from the transmission hole. Simultaneously, successive inverted numerically controlled lathes are connected with each other through the transmission guide rails, and the workpiece overturning mechanism is installed on the transmission guide rails between the lathes. Further, the feeding and discharging platform comprises a transmission platform, a discharging platform and an automatic aligning mechanism, wherein the transmission platform which is a fixed structure is driven by a chain and connected with the trans