Permanent magnet magneto-rheological polishing device

The utility model provides a magneto-rheological polishing device for a permanent magnet. The magneto-rheological polishing device comprises a base, the fixing assembly is arranged on the base and used for fixing a workpiece to be machined; the polishing assembly is arranged on the base and used for polishing the workpiece fixed to the fixing assembly, and the polishing assembly comprises a polishing head used for polishing the workpiece to be machined; and the liquid spraying assembly is arranged on the base and used for spraying magnetorheological fluid to the grinding head in the polishing process. The polishing device is based on magnetorheological fluid, and automatic machining of workpieces can be achieved. 本实用新型提供了一种永磁体磁流变抛光装置，包括基座；固定组件，设置在基座上，用于对待加工的工件进行固定；抛光组件，设置在基座上，用于对固定组件上固定的工件进行抛光，包括用于对待加工的工件进行打磨的打磨头；喷液组件，设置在基座上，用于在抛光过程中向所述打磨头喷洒磁流变液。该抛光装置基于磁流变液，能够实现对工件的自动加工。