Open point-gate hot runner mould

The utility model relates to the technical field of the mechanic equipment, in particular to an opening pinpoint gate hot runner mould, which comprises a flow distribution plate, a hot nozzle and a hot nozzle heating device, wherein the hot nozzle is comparatively fixed with the flow distribution plate, while the runner in the flow distribution plate is communicated with the runner inside the hot nozzle, and the hot nozzle heating device is fixed outside the hot nozzle. The hot nozzle comprises a hot nozzle body, a nozzle tip and a gate lining. The nozzle tip is arranged at the terminal end of the runner inside the hot nozzle body, while the gate lining is sheathed at the nozzle tip, and the lining stands out of the hot nozzle body. The utility model has stable structure and rational design, which not only can reduce the heat loss, but also is beneficial to the better molding of the product.