Preparing device and process of glaze for head of suspended porcelain insulator

The invention discloses a preparing device and process of glaze for the head of a suspended porcelain insulator. The preparing device comprises a rotary station platform, a head periphery surface glaze dipping device, a head inner hole glaze injecting device and a control cabinet, wherein an inverted petuntse blank is placed on the rotary station platform. The rotary station platform, the head periphery surface glaze dipping device and the head inner hole glaze injecting device are electrically connected with the control cabinet. The head periphery surface glaze dipping device comprises a glaze dipping vat, a vat lifting device and a glaze adding pot, the vat lifting device is arranged at the bottom of the glaze dipping vat, the glaze dipping vat is communicated with the glaze adding pot through a first glaze slip conveying pipe, a first solenoid valve is arranged on the first glaze slip conveying pipe, and a liquid level sensor is further arranged on the inner wall of the glaze dipping vat. According to the