High-precision gear grinding device

The utility model discloses a high-precision gear grinding device which is characterized in that a collecting module is mounted on one side of a placing module; the collecting module comprises a frame body fixed on one side of the placing module, a partition plate fixed on the inner wall of the frame body, a metal filter screen obliquely arranged, a collecting frame movably arranged in an inner cavity of the frame body and extending out of the frame body, and a bracket fixed on the top end of the frame body, wherein one end of the metal filter screen is fixed on the top end of the partition plate, and the other end of the metal filter screen is fixed on the inner wall of the frame body; the grinding wheel is rotationally installed on the support, the supporting rod is fixed to the support, the spraying head is installed on the supporting rod, the pump machine is fixed to the outer side face of the frame body, the frame body is used for installing other assemblies and storing cooling liquid at the same time, a