Combined grinding medium suction device

The utility model provides a combined type grinding medium suction device. The combined type grinding medium suction device mainly comprises a storage bin, a guide rail system and a magnetic suction device, the storage bin is of a box body structure with an opening in the upper portion, the guide rail system is installed above the storage bin, and the magnetic attraction device is installed on the guide rail system. The magnetic attraction device is of a cuboid or cube structure formed by combining a plurality of magnetic attraction units and has the advantages of being high in material taking continuity, large in material taking amount, capable of discharging one by one, high in automation level and the like, the covering area is very small and light in weight when balls are taken and discharged, the speed of moving the taken balls along the vertical guide rail is high, the service life is long, and particularly, the magnetic attraction device is suitable for large-scale popularization and application. The s