Plug-in type cap screwing machine

The invention relates to the field of cap screwing machines, and discloses an insertion type cap screwing machine. According to the bottle cap screwing device, a cap screwing air cylinder mounting rod is connected to the joint of a bottle clamping assembly and a cap screwing adjusting assembly, a cap screwing air cylinder fixing plate is connected to the bottom end of the cap screwing air cylinder mounting rod, an air cylinder connecting and fixing plate is arranged below the cap screwing air cylinder fixing plate, and a cap block is connected to the bottom end of the air cylinder connecting and fixing plate; a top cover air cylinder is arranged in the middle of the cover beating air cylinder fixing plate, the bottom end of the top cover air cylinder is connected with a silica gel cover beating head, when a bottle body is clamped by the bottle clamping assembly, the middle top cover air cylinder operates, then one of the two pump cover jacking components is selected according to the shape of a cover, and if t