Stirring device and household dough mixer

A stirring device, comprising:

• a rotating plate;
• an annular sliding plate;
• a stirring rod;
• a rotating disk;
• a main motor;
• a deceleration device;
• and
• a transmission assembly;
• wherein the rotating plate is provided with a groove;
• and opposite inner sides of the groove are both provided with a sliding slot;
• the annular sliding plate is provided with an opening;
• the annular sliding plate is arranged inside the groove;
• and the annular sliding plate is configured to slide along the sliding slot;
• the stirring rod is arranged on the annular sliding plate;
• the rotating disk is connected to the annular sliding plate;
• an output shaft of the main motor is connected to the rotating disk to drive the rotating disk to rotate;
• the output shaft of the main motor is connected to the rotating plate through the deceleration device to drive the rotating plate to rotate;
• and a rotation angular velocity of the rotating plate is different from a rotation angular velocity of the rotating disk;
• and
• the transmission assembly is arranged between the sliding slot and the rotating disk;
• and the rotating disk is configured to rotate to drive the annular sliding plate through the transmission assembly to reciprocate along the sliding slot.