Side edge grinding device used after cutting of building template

The utility model relates to the field of building template production, in particular to a building template cut side edge polishing device which comprises a workbench, a movable notch is formed in the top of the workbench, a push plate assembly is installed in the movable notch, and a driving mechanism for driving the push plate assembly to move is installed at the bottom of the workbench. And polishing assemblies are installed on the two sides of the top of the workbench correspondingly, a telescopic mechanism is installed on the side, away from the push plate assembly, of one polishing assembly, each polishing assembly comprises a clamping plate, a receding notch is formed in one end of each clamping plate, a polishing roller piece is installed in each receding notch, and a driving device is installed on the top of each polishing roller piece. Under the cooperation of the push plate assembly and the driving mechanism, the building template is driven to move towards the polishing roller, and meanwhile, the