Quick-opening blind plate tool

The utility model belongs to the technical field of pipeline non-excavation repair, and particularly relates to a quick-opening blind plate tool. A quick-opening blind plate tool comprises a clamping sleeve flange, the clamping sleeve flange comprises two clamping sleeves which are oppositely arranged and detachably clamped on the outer circumference of a pipeline and a flange plate fixedly connected to the end face of one side of each clamping sleeve, flange plate through holes are formed in the flange plates, the inner diameter of the flange plate through holes is not smaller than the outer diameter of the pipeline, and the flange plate through holes and the pipeline are coaxially arranged; the sealing plate is detachably and fixedly connected to the two flange plates and is provided with a sealing plate vent hole and a sealing plate rope threading hole which are communicated with the flange plate through hole; the fixing plate is detachably and fixedly connected to the two flange plates and provided with a