Semi-hot runner injection mold of sealing ring

The utility model discloses a semi-hot runner injection mold of a sealing ring, which comprises a mold main body and a glue feeding system, the glue feeding system comprises a hot runner main sprue, one end of the hot runner main sprue is provided with a feed port, the inside of the hot runner main sprue is provided with a main runner, the main runner is communicated with a glue feeding channel of the mold main body, and the glue feeding channel is communicated with the mold main body. A cold runner sub-runner is further arranged between the main runner and the glue inlet channel, and the tail end of the cold runner sub-runner is connected with a cold material well. According to the utility model, the cold runner sub-runner with the cold slug well is additionally arranged between the hot runner and the glue inlet line of the product, so that the cold slug can be kept in the cold runner and is prevented from entering the product cavity. 本实用新型公开了一种密封圈的半热流道注塑模具，包括模具主体以及进胶系统，所述进胶系统包括热流道主唧咀，所述热流道主唧咀的一端设置有进料口，其内部还开