Glue injection device for winding pipe

The utility model provides a glue injection device for a winding pipe. The glue injection device comprises a cylinder body, a frame body, a spiral transmission rod, a motor, a feed opening, a discharge opening, a melt glue heating mechanism and a glue injecting mechanism, wherein the glue injecting mechanism comprises a glue containing device and a pressure injecting gun; the pressure injecting gun comprises a glue injecting switch and a gun head; during a practical working process, a solid glue material is placed in a cylinder body from the feed opening; the motor drives the spiral transmission rod to rotate; the solid glue material is conveyed to the discharging end from the feed end; the melt glue heating mechanism heats the solid glue material to form a liquid glue material; the liquid glue material enters the glue containing device from the discharge opening; the glue injecting switch is operated; the pressure injecting gun injects the liquid glue material to a connecting clamping groove of the winding pipe to form an elastic glue body to allow a matched connecting clamping head to be clamped, bound and sealed. Compared with the prior art, the glue injection device can fulfill glue injection of the connecting clamping groove of the winding pipe efficiently in advance; the cumbersome procedure of connecting while glue spreading on-site is eliminated; the connecting efficiency is improved remarkably; the practicability is high.