Automatic needle grinding integrated mechanism for electric resistance welding

The utility model relates to an automatic needle grinding integrated mechanism for electric resistance welding. The needle grinding mechanism is arranged on the fixed seat, is used for grinding a welding needle and comprises a grinding belt and a conveying unit, the grinding belt can be in contact with the welding needle, and the conveying unit is used for driving the grinding belt to transmit; the supporting mechanism comprises a supporting assembly and an adjusting assembly which are connected through an elastic piece, the supporting assembly is arranged on the fixing base in a sliding mode and used for supporting the part, making contact with a welding pin, of the abrasive belt, and the adjusting assembly is used for adjusting the positions of the elastic piece and the supporting assembly on the fixing base. The welding needle can be ground through the needle grinding mechanism, repeated utilization of the welding needle is achieved, frequent replacement of the welding needle is reduced, the use frequency