Corrosion resistance detector for fire cover production

The invention discloses a corrosion resistance detector for fire cover production, and relates to the technical field of metal detection, a supporting assembly is arranged below a working box, a flushing assembly is arranged above the working box, air drying assemblies are arranged on the left side and the right side of the working box, and a transmission assembly is arranged at the bottom of the working box; a drainage assembly is arranged at the bottom of an inner cavity of the working box, the flushing assembly comprises a sliding block, a first push rod, a telescopic rod, an internal notch, a water tank and a spray head, when the fire cover is conveyed by the conveying belt, the first push rod is pushed by the height of the fire cover, and the first push rod exerts force on the telescopic rod so that the sliding block can move rightwards in the internal notch; when the fire cover completely passes through, the spring fixed with the sliding block can be stretched to the original shape, so that the flushing