Fish-scaling mechanism

The invention discloses a fish-scaling mechanism. The mechanism includes a pair of fish-scaling assembly units are symmetrically arranged. Each of the fish-scaling assembly units is arranged with a transmission shaft, two combing plates, two fixing plates and a plurality of descaling knives. Each of the combing plates is arranged with a vertical bar and a plurality of horizontal bars. The vertical bars are vertically arranged with one end of each of the horizontal bars and a through hole is arranged with another end of each of the horizontal bars. The two combing plates are separately arranged at opposite sides of the transmission shaft. The plurality of descaling knives are arranged in the middle of the adjacent horizontal bars of each of the combing plate. The end of each of the descaling knives is arranged with a fixing hole and a reset block with a connecting hole. A tension spring is arranged between the oppositely positioned descaling knives and combing plate. Both ends of the tension spring are separat