Car door skin paint spraying training frame

The invention relates to a car door skin paint spraying training frame. When paint spraying training is carried out, the distance between the spray gun and the door skin is 25-30 cm, the spray gun moves at the speed of 30 cm/s, students need to be reminded and corrected repeatedly by teachers when paint spraying training is carried out, and the burden of the teachers is increased. According to the car door skin paint spraying training frame, supporting legs (1) are connected with a connecting rod (8) and a main vertical arm (4), the main vertical arm (4) is connected with a transverse arm (7), the transverse arm (7) is connected with an auxiliary vertical arm (2), seven positioning lines (5) are fixed to the auxiliary vertical arm (2), a timer (3) is installed at the top end of the auxiliary vertical arm (2), a check block (6) is installed on the transverse arm (7), and a midpoint indicating mark (9) is marked on the connecting rod (8). The invention is applied to the technical field of car door skin paint sp