Linear through type two-side grinding-machine

The utility model discloses a grinding machine which is suitable for machining soft magnetic ferrite parts. The utility model comprises a first conveying mechanism, a second conveying mechanism, a grinding device and a conveying device for a grinding zone, wherein, the grinding device comprises a permanent magnetic chuck component for a reverse shaft and a reverse shaft component; the permanent magnetic chuck component for a reverse shaft is composed of a lifting mechanism and a permanent magnetic chuck, and the reverse shaft component is composed of a motor, a main shaft, an abrasive disk, a casing, etc. The end of the first conveying mechanism is abutted to the permanent magnetic chuck component for a reverse shaft; the conveying device for a grinding zone and the reverse shaft component are arranged below the permanent magnetic chuck component for a reverse shaft; the output position of the conveying device for a grinding zone is provided with the second conveying mechanism. The utility model can be matched with a straight line passing through type grinding machine to machine bottom faces and facades of work pieces in one process so as to improve the production efficiency.