Test tube cover opening and closing processing device

The utility model relates to a cover opening and closing processing device for test tubes. The cover opening and closing processing device comprises a base assembly, a conveying assembly, a clamping assembly and a cover opening and closing assembly connected to the base assembly. The conveying assembly is provided with a sliding base capable of sliding relative to the base assembly and used for loading test tubes. The sliding seat is provided with a working station and a cover operation station relative to the base assembly. And the height of the cover operation station is lower than that of the operation station. In the cap screwing process, the clamping assembly is used for clamping the test tubes in the cap operation station. The cover opening and closing assembly is provided with a clamping base used for clamping the end cover, and the clamping base is arranged in a lifting mode relative to the base assembly. In the cap screwing process, the clamping base is used for driving the end cap to rotate relative