Silica gel nipple injection molding equipment

The utility model provides silica gel nipple injection molding equipment. The silica gel nipple injection molding equipment comprises a bracket, a stirring tank arranged on the bracket, a constant-temperature box communicated with the stirring tank, an injection molding head communicated with the constant-temperature box, and a supporting device arranged below the injection molding head, an injection molding pipe is arranged on the injection molding head, a sealing assembly is arranged on the injection molding pipe, and the sealing assembly comprises a fixed ring arranged on the injection molding pipe, a movable ring arranged on the injection molding pipe in a sleeving mode and a limiting ring arranged below the movable ring. In the using process, the transverse plate and the vertical plate can be connected through the spring, so that the transverse plate is perpendicular to the vertical plate, and at the moment, the transverse plate blocks an injection molding pipe; when injection molding is needed, the mold