The utility model belongs to steel
grating processing technical field especially is a kind of steel
grating surface burr
grinding device, including back type platform, the top of back type platform is provided with movable mounting plate, the bottom of mounting plate is provided with
grinding knife group, the
grinding knife group can be replaced according to workpiece size size, the top of grinding knife group is equipped with limit stop;The utility model passes through the thread cooperation of screw rod and thread ring, can flexibly adjust the position of support plate, to change support position according to different size steel
grating, ensure that steel grating is stably supported on back type platform.On the other hand, grinding knife group can be replaced according to workpiece size size, cooperate driving portion to drive mounting plate to move, make grinding knife group can carry out accurate burr grinding operation to each position on the surface of different size steel grating.In addition, the clamping plate and support plate of locking part can adjust clamping range according to steel grating size, and the arc surface design of clamping plate bottom facilitates steel grating placement.