Machining device for water-cooling pin of die-casting die

The utility model discloses a machining device for a water-cooling pin of a die-casting die, which belongs to the technical field of water-cooling pin machining devices and comprises a workbench, motors are connected to two ends of the lower portion of the workbench, a second gear is connected to the output end of one motor, a rotating shaft is arranged on the side wall of the workbench and located below the motors, and a first gear is connected to the rotating shaft. A first gear is connected to the position, corresponding to the second gear, of the outer side wall of the rotating shaft in a sleeving mode, a screw is arranged above the workbench, a transmission assembly is arranged between the other motor and the screw, a sliding block is connected to the outer side wall of the screw in a sleeving mode, and a pushing motor is connected to the side wall of the sliding block. The material pushing device is provided with the mounting frame, the mounting groove, the magnetic piece, the protective cover, the limi