Waste rejecting device, filling and plugging machine and capping machine

The utility model discloses a waste rejecting device which comprises a bottle body conveying mechanism and a bottle body detecting mechanism, a waste rejecting through hole corresponding to the position of the bottle body detecting mechanism is formed in the bottle body conveying mechanism, a lifting bottle support matched with the size of the waste rejecting through hole is arranged below the waste rejecting through hole, and the lifting bottle support is connected with a lifting driving mechanism. The utility model further discloses a filling and plugging machine which comprises the waste rejecting device. The utility model further discloses a capping machine which comprises the waste removing device. The waste rejecting device, the filling and plugging machine and the capping machine have the advantages of being convenient to operate, small in occupied space, capable of preventing bottle breakage, convenient for subsequent personnel to collect bottle bodies and the like. 本实用新型公开了一种剔废装置，包括瓶体输送机构和瓶体检测机构，瓶体输送