Magnetic fixing device

The utility model discloses a magnetic fixing device which comprises a workbench, a plurality of electromagnetic chucks are arranged on the workbench, and the electromagnetic chucks are embedded in the workbench. Wherein a plurality of positioning devices are arranged on the workbench, each positioning device comprises a positioning block and a positioning rod, a groove shaped like a Chinese character'fei 'is formed in each positioning block, and a positioning rod is arranged in each groove; the device is attracted to the bottom of a workpiece through the electromagnetic chuck, operation is easy, magnetic attraction is achieved only by electrifying, and stability is high; the positioning device is arranged on the surface of the workbench and used for clamping a workpiece from the two sidesto achieve the positioning effect, a groove shaped like a Chinese character'fei 'is formed in the positioning block and fixed through the two positioning rods, the fixing block can be effectively prevented from moving, and p