Automobile hub steering knuckle automatic assembling machine and assembling method

The invention discloses an automobile hub steering knuckle automatic assembling machine. The automatic assembling machine comprises a steering knuckle feeding conveying line, the steering knuckle feeding conveying line is connected with a pressing device I through a steering knuckle feeding mechanical arm, the pressing device I is connected with a bearing stock bin with a conveying mechanism through a bearing feeding mechanical arm, a steering knuckle, a bearing and a clamp spring are pressed and detected in the pressing device I, the pressing device I is connected with a pressing device II through a conveying mechanical arm, the pressing device II is connected with a hub stock bin with a conveying and stopping mechanism through a hub feeding mechanical arm, the hub pressing, the steeringknuckle assembly hub end surface run-out detection and the steering knuckle assembly marking are completed in the pressing device II, and the pressing device II is connected with a finished product packaging device through a