Coating device of anti-corrosion screw

The utility model discloses a coating device for an anti-corrosion screw rod. The coating device comprises a rack, a stroke sliding block, a material pushing bracket, a rotating motor, a screw rod fixer, a sand blasting cleaning device, an arc-shaped sand blasting groove, a sand blasting head, an auxiliary supporting thread groove, a coating spraying channel and a coating spraying head. According to the coating equipment, the surface of the screw can be pretreated, adhered dirt can be removed, the surface of the screw can be stably coated with a coating, meanwhile, the coating of the screw can be uniformly sprayed, and the corrosion resistance of the coating of the screw can be long and stable. 本实用新型公开了一种防腐蚀螺杆的涂层装置，包括机架、行程滑块、推料支架、旋转电机、螺杆固定器、喷砂清理装置、弧形喷砂凹槽、喷砂头、辅助支撑螺纹槽、涂层喷涂通道和涂料喷头。本实用新型能够使涂层设备对螺杆进行表面预处理，清除粘附的脏污，保证涂层稳定涂覆在螺杆表面，同时还能够对螺杆涂层进行均匀喷涂，保证螺杆涂层的防腐蚀性能长久稳定。