Full-automatic load control device of grinder

The utility model discloses a full-automatic load control device of a grinder. The device comprises a grinder, wherein a feed port of the grinder is connected with a feeder, the feeder is connected with a frequency converter which is used for controlling the rotation speed of the feeder, the frequency converter is connected with a self-load control instrument which is used for receiving a working current signal of the grinder and feeding the signal back to the frequency converter so as to regulate the rotation speed of the feeder, and the aim of the full-automatic control is achieved. The device disclosed by the utility model has the advantages that the grinder can be always in an optimal working state, the working efficiency of the grinder is improved, the energy consumption is reduced, and the working intensity of operators is lightened.