Glue injection device for metal door and window production

The invention discloses a glue injection device for metal door and window production, and relates to the field of metal door and window machining, the glue injection device comprises a workbench, a lifting groove is embedded in the top of the workbench, two moving grooves are symmetrically embedded in the top of the workbench with the center as the axis, and a limiting part is embedded in the top of the workbench; a lifting component is arranged at the bottom of the workbench, an engagement block is arranged at the execution end of the lifting component, a rotating component is arranged on the side wall of the engagement block, a rectangular block is arranged on the top of the engagement block, conveying belts are arranged at the two ends of the workbench, a machined part is arranged on the top of the workbench, and a glue injection device is arranged on the side wall of the workbench. The limiting device is far away from the glue injection device and arranged on the side wall of the protruding plate of the w