Edge material collecting mechanism

The utility model discloses a rim charge collecting mechanism, and relates to the technical field of lithium battery diaphragm production. The device comprises a guide assembly, a material receiving driving assembly, a winding shaft and two side vertical plates which are oppositely arranged; the guide assembly comprises a translation sliding block, a guide roller and a spiral guide shaft, the translation sliding block is arranged between the two side vertical plates in a sliding mode, and the guide roller is installed on the translation sliding block; the spiral guide shaft is rotationally mounted between the two side vertical plates, two spiral guide grooves which are staggered with each other are formed in the spiral guide shaft, and a follow-up shaft which extends into the spiral guidegrooves is arranged on the translation sliding block; the winding shaft is rotationally arranged behind the guide roller, and the winding driving assembly is arranged on the vertical plates on the twosides and used for drivin