Glue spraying mechanical arm convenient to clean

The invention relates to the technical field of glue spraying equipment, and discloses a glue spraying mechanical arm convenient to clean, the glue spraying mechanical arm comprises a mechanical arm body and a mounting box, a mounting plate is fixedly mounted at the bottom of the mechanical arm body, clamping grooves are formed in the two sides of the mounting plate, and a mounting hole and two sliding grooves are formed in the inner wall of the top of the mounting box; the two mounting plates are movably inserted into the corresponding inserting holes correspondingly, sliding plates are slidably mounted in the sliding grooves, clamping plates are fixedly mounted at the bottoms of the sliding plates, the two clamping plates are movably clamped into the corresponding clamping grooves correspondingly, vertical plates are fixedly mounted at the bottoms of the clamping plates, and connecting plates are rotationally connected to the front sides of the vertical plates. And the inner walls of the front side and the