Automatic plastic spraying device of high-voltage copper bar and plastic spraying method thereof

The invention relates to the field of plastic spraying, and discloses an automatic plastic spraying device of a high-voltage copper bar and a plastic spraying method thereof. The automatic plastic spraying device of a high-voltage copper bar and a plastic spraying method thereof comprises a workbench, wherein a supporting frame is fixed on the workbench, and a supporting plate is installed at oneend in the supporting frame; the plastic spraying device further comprises a plastic spraying tool, a guide rail is fixed on the supporting plate, and a first mechanical arm is arranged on the guide rail in a sliding mode; a vibration device is installed on the workbench, a material box is arranged on the vibration device, the material box is installed on the support frame through lifting devices,the plastic spraying tool extends into the material box, the two ends of the upper end of the supporting frame are provided with hot air guns and cold air guns correspondingly, the hot air guns directly face the part, on the