Automatic oiling and screwing all-in-one machine

The utility model provides an automatic oiling and screwing all-in-one machine, and relates to the technical field of pipelines, the automatic oiling and screwing all-in-one machine comprises a base, a fixing assembly is fixedly connected to the position, close to the right side, of the upper surface of the base, and a knob assembly is fixedly connected to the position, close to the left side, of the upper surface of the base; the fixing assembly comprises a pneumatic sliding table, a hydraulic sliding table is arranged on the upper surface of the pneumatic sliding table, first clamping blocks are symmetrically arranged on the front surface of the hydraulic sliding table, and sliding grooves are formed in the adjacent sides of the outer surfaces of the two first clamping blocks. The hydraulic sliding table, the first clamping block, the three-jaw chuck and the second clamping block are used in cooperation, pipelines and pipe fittings of different sizes can be clamped and fixed, then the pipelines are made to