Thickness detection device for automobile brake pad

The utility model belongs to the brake pad detection technical field, and specifically discloses an automobile brake pad thickness detection device comprising a work bench, the top of the work bench is fixedly connected with a slide groove, the slide groove is internally connected with a slide block in a sliding manner, the top end of the slide block is fixedly connected with a placing plate, and the top of the placing plate is provided with a plurality of placing grooves; racks are fixedly connected to the left side and the right side of the placing plate, a driving mechanism is arranged on one side of each rack and comprises a driving motor, a rotating shaft is fixedly connected to the output end of each driving motor, a gear is fixedly connected to the top end of each rotating shaft, and one side of each gear is in meshed connection with the corresponding rack; a graduated scale is arranged on the side, away from the containing plate, of the gear. The bottom end of the graduated scale is fixedly connected