Filling machine with filling protection device

The utility model discloses a filling machine with a filling protection device, which belongs to the technical field of filling machines and is characterized by comprising a frame, a filling gun and afilling head which are communicated with each other, and the side wall of the filling gun is connected with an oil suction pipe; the filling gun is slidably connected with the rack, a dust cover is fixedly connected to the rack, and the side, facing the filling head, of the filling gun is inserted into the dust cover; mounting plates are symmetrically connected to the side wall of one side of thedustproof cover, a rotating shaft is rotatably connected to the mounting plates, a pressing plate is connected to the side wall of the rotating shaft, and the pressing plate is connected with a rotating turning cover abutting against the bottom of the filling head; the rotating shaft is fixedly sleeved with a torsional spring, the torsional spring is provided with a first abutting part and a second abutting part which are