8-shaped optical cable longitudinal forming die

The invention relates to an 8-shaped optical cable longitudinal forming die and aims to simplify the optical cable production technology and reduce production cost of an optical cable. The 8-shaped optical cable longitudinal forming die comprises an extruding machine head, the middle portion of the extruding machine head is provided with a step hole, the step hole comprises a left step hole portion and a right step hole portion, the extruding machine head is internally provided with an inner die, the right end face of the inner die is provided with two die holes which are parallel axially, the left end of the inner die is detachably arranged in the left step hole portion, the right step hole portion is internally provided with an outer die in matching with the inner die, the side face of the extruding machine head is provided with a glue injection channel, the glue injection channel is communicated with a gap between the outer die and the inner die, the left side face of the extruding machine head is provided