Polishing device for double-end wrench production

The invention discloses a polishing device for double-end wrench production, and belongs to the technical field of double-end wrench polishing equipment.The polishing device comprises a workbench, a fixing frame used for containing a double-end wrench is fixedly installed on one side of the upper end of the workbench, a limiting plate is inserted into one end of the fixing frame, and an L-shaped plate is fixedly installed on the other side of the upper end of the workbench; a square hole is formed in the middle of the upper end of the workbench, a concentric-square-shaped baffle is fixedly installed at the upper end of the square hole, cleaning and cooling assemblies are installed on the two sides of the concentric-square-shaped baffle, a liquid outlet hopper is fixedly installed at the lower end of the square hole, and a filtering assembly is installed in the liquid outlet hopper. Grinding scraps are doubly filtered through an annular filter screen, the surface of the grinding scraps can be cleaned through a