Automatic adjusting mechanism for detecting circular packaging bottle

The utility model discloses an automatic adjusting mechanism for detecting a circular packaging bottle, which comprises a support plate and a protective cover, the protective cover is arranged outside the support plate, sliding rails are fixedly arranged on the front side of the support plate, a movable plate is arranged between the two sliding rails in a sliding manner, and the movable plate is arranged on the front side of the support plate. A mounting frame is arranged on the movable plate, a camera used for machine vision detection is arranged at one end of the mounting frame, a combined light source is arranged under the camera, a connecting plate is arranged at the bottom of the supporting plate, and the combined light source is fixedly connected with the connecting plate; the camera height adjusting mechanism achieves up-down accurate adjustment of the use height of the camera, parameters of height adjustment of each product are preset, automatic setting and changing are facilitated during production,