Preparation process of real stone paint coating

The invention relates to the field of real stone paint coating preparation, in particular to a real stone paint coating preparation technology. The invention aims to provide the preparation process of the real stone paint coating, which can prevent the condition that when the real stone paint coating is produced in batches, some barrel covers are incomplete in sealing property after continuous capping of the barreled paint barrels. According to the technical scheme, the process comprises the following steps that S1, paint buckets which are sealed and capped in batches flow out and then are placed in the middle of a preparation device; s2, the top barrel cover of the sealing paint barrel is pressed and sealed for the second time in the circumferential direction through the preparation device; s3, a covering film is attached to the surface of the barrel body of the paint barrel sealed and covered in the S2 through a preparation device; and S4, winding the covering film unfolded in the S3 to the surface of the p