Movable butt joint device for pipelines

The utility model relates to the technical field of pipeline butt joint, in particular to a movable butt joint device for pipelines, which comprises a first pressing piece, a second pressing piece and a movable butt joint piece, the second pressing piece is arranged at one end of the first pipeline in a sleeving manner; under the state that the first pressing piece and the second pressing piece extrude each other, one end of the first pipeline is inserted into or sleeved with one end of the second pipeline; through mutual extrusion of the first pressing piece and the second pressing piece, on one hand, the stability of connection between the first pipeline and the second pipeline can be kept, and on the other hand, a certain sealing effect can be achieved; accordingly, in the whole disassembly and assembly process of the first pipeline and the second pipeline, the whole process is driven through an air cylinder, workers do not need to manually abut against the first pipeline and the second pipeline, the disas