Glue injection mechanism of vertical injection molding machine

The utility model discloses a glue injection mechanism of a vertical injection molding machine. The glue injection mechanism comprises an upper template, a glue injection device and a feeding device, wherein the glue injection device and the feeding device are positioned above the upper template; a mounting frame is arranged above the upper mold plate, and the glue injection device and the feeding device are arranged on the mounting frame; the feeding device comprises a feeding cavity, a feeding pipe communicated with the feeding cavity, a glue injection head of which the upper end is inserted into the feeding cavity, a feeding motor and a screw rod; the screw rod is mounted at the power output end of the feeding motor and is inserted into the insertion hole of the glue injection head; and the glue injection device comprises a glue injection lead screw motor driving device, and the glue injection lead screw motor driving device is used for driving the screw to ascend and descend. By the adoption of the techni