Polishing line roller bed

A grinding line roller bed relates to the field of material conveying and comprises a bottom plate. A plurality of roller bed legs; a roller bed side plate; a roller bed end plate; wherein the checkered plate supporting seats are fixed on the bottom plate; the pattern cover plate is fixed on the plurality of pattern plate supporting seats; a first switch assembly, a first rigid roller set, a firstrubber covered roller set, a motor driving assembly, a second rigid roller set, a second rubber covered roller set, a third rigid roller set and a second switch assembly are sequentially arranged along the bottom plate from front to back. The first rigid roller group is connected with the first encapsulation roller group through a first synchronous belt; the first rubber coating roller group is connected with the motor driving assembly through a second synchronous belt; the motor driving assembly is connected with the second rigid roller group through a third synchronous belt; the second rigid roller group is connect