Large roller prime pulp applying machine for large slate plate conveying line

The utility model provides a large roller prime pulp applying machine for a large slate conveying line. The large roller prime pulp applying machine comprises a rack, a glaze receiving hopper, a prime pulp roller, a roller rod transmission assembly and a transmission motor, according to the large roller prime pulp feeding machine for the large slate and rock plate conveying line, the prime pulp roller is rotationally arranged in the middle of the top end of the rack, the roller rod transmission assemblies are arranged on the two sides of the prime pulp roller in the rock plate transmission direction, and when rock plates are conveyed through the roller rod transmission assemblies and the prime pulp roller in a transmission mode, the prime pulp roller is driven by the roller rod transmission assemblies; the surface of the bottom slurry roller in a rotating state is in contact with the bottom slurry in the glaze receiving hopper, so that the surface of the bottom slurry roller is uniformly and fully stained wit