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Objective: In view of the problems of large size and low heating uniformity of the existing cooking machine, a miniaturized drum-type automatic cooking machine with electromagnetic heating was designed to reduce the equipment volume and improve the cooking effect. Methods: The modular design method oriented to function and structure was adopted to design each module mechanism of the frying machine. Then, based on Biot-Savart law, the relationship between the magnetic field generated by the coil in space and the current and distance is obtained, and the distribution curves of magnetic field intensity and temperature on the surface of the cooker under three coil arrangements are obtained by Ansys-Maxwell joint simulation. Secondly, the modal analysis of the sliding rail mechanism is carried out by Ansys software, and the frequency band of improper deformation of the mechanism is obtained. Finally, a prototype was developed and compared with three cooking methods to verify the cooking effect of the proto type. Results: Compared with the existing cooking machine, the heating uniformity was greatly improved, and the structural design and actual cooking effect met the use requirements. Conclusion: The research and design of automatic cooking machine has high feasibility and practicability.

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