Material bar surface coating device for recycling tungsten-cobalt hard alloy

The utility model relates to the technical field of charge bar surface coating, in particular to a charge bar surface coating device for recycling tungsten-cobalt hard alloy, which comprises a coating device body, and a charge bar rotation limiting mechanism and a charge bar cleaning, coating and drying integrated mechanism which are positioned in the coating device body, the material bar rotation limiting mechanism comprises a material bar containing ring, a worm wheel is installed on one side of the material bar containing ring, a worm is meshed with the bottom of the worm wheel, a worm motor is installed on one side of the worm, a first two-way lead screw is arranged in the material bar containing ring in a penetrating mode, and a limiting rotary knob is installed at one end of the first two-way lead screw. Through the arrangement of the charge bar rotation limiting mechanism, the problems that some existing coating devices cannot rotate charge bars in the process of coating the charge bars, the phenomenon