Grinding device for gear processing

The invention discloses a grinding device for gear processing. The grinding device comprises a machine body and a workbench, wherein the workbench is arranged on the top of the machine body, a rectangular tray and a grinding table are arranged on the top of the workbench, the grinding table is located on the inner side of the rectangular tray, a grinding wheel is arranged on the top of the workbench, the grinding wheel is located just above the grinding table, a plurality of control hand wheels are arranged on the front surface of the machine body, holding rods are arranged on the outer sidesof the control hand wheels, rod holes which are matched with the holding rods are formed in the control hand wheels, and end blocks are respectively arranged on both ends of the holding rods. The rodholes, the end blocks, a limiting chuck, an annular gap, a spring groove, a pull rod and a pull block are formed and arranged, so that the holding rods can directly retract to the inner sides of the control hand wheels when no