The utility model discloses a straight-barrel-type automatic oil squeezing production system which is provided with seven stations including the left unloading station, the left pre-pressing lifting station, the left loading station, the main squeezing station, the right loading station, the right pre-pressing lifting station and the right unloading station. Material transferring is controlled by a PLC, two squeezing barrels on a guide rail conduct squeezing operation in a cooperation mode, the oil squeezing working period is shortened, the squeezing energy consumption is saved, and the production efficiency and the device using rate are greatly improved.