Tread rubber splitting machine

The utility model relates to a tread splitting machine which comprises a knife belt and a discharging belt which are sequentially arranged from the feeding direction to the discharging direction, a sponge roller is arranged at the input end of the discharging belt, and sizing materials enter the discharging belt after passing through the sponge roller; a water squeezing mechanism is arranged on one side of the sponge rollers and comprises a telescopic mechanism and a squeezing roller, the telescopic mechanism drives the squeezing roller to be switched between a first position and a second position, and the squeezing roller squeezes the adjacent sponge rollers at the first position and is separated from the adjacent sponge rollers at the second position. According to the structure, the sponge roller is arranged to absorb redundant water seal on a sizing material, and the water squeezing mechanism is arranged to discharge water absorbed by the sponge roller, so that the sponge roller can continuously absorb wat