High-strength bolt production line for large machinery

The utility model discloses a high-strength bolt production line for large machinery, which comprises a feeding machine, a cutting machine, a burr removing machine, a slicing machine, an annular hot melting device, a stamping die, a smelting furnace, a cooling machine, a thread rolling machine, a product collecting device, a first conveying device and an intelligent controller, a steel bar of the feeding machine sequentially passes through the cutting machine, the burr removing machine, the slicing machine, the annular hot melting device, the stamping die, the smelting furnace, the cooling machine, the thread rolling machine and the product collecting device, a first conveying device is arranged between the cutting machine and the stamping die, and the cutting machine, the burr removing machine, the slicing machine, the annular hot melting device and the stamping die are all matched with the first conveying device. The cutting machine, the burr removing machine, the slicing machine, the annular hot melting de