Multi-layer tab cutting device

The utility model belongs to the technical field of batteries, and discloses a multilayer tab cutting device which comprises a rack, a first positioning mechanism, a second positioning mechanism and a cutting mechanism. The first positioning mechanism comprises a supporting platform, a first baffle, a second baffle and a pressing plate, the first baffle and the second baffle are arranged on the two sides of the supporting platform in the first direction (the width direction of the aligned battery cell), and the second baffle can be close to or away from the supporting platform. The pressing plate can be close to or away from the end face of the supporting platform in the second direction (the thickness direction of the straightened battery cell). And the second positioning mechanism comprises two positioning trays, and the positioning trays can move along a third direction (the length direction of the straightened battery cell). The cutting mechanism is used for cutting the tab, and the first positioning mech