Automatic doubling thread cutting device

The utility model relates to the technical field of textile equipment, in particular to an automatic doubling thread cutting device which comprises a base, a take-up roller and a thread cutting mechanism are fixedly arranged on the base, the thread cutting mechanism comprises a guide unit and a thread cutting unit, the thread cutting unit is fixedly arranged on the guide unit, the guide unit comprises a sliding block, and the sliding block is arranged on the guide unit. A sliding block is arranged on the base, the sliding block is slidably connected with the base, a guide roller assembly is fixedly arranged on the sliding block, the guide roller assembly comprises two guide rollers which are oppositely arranged, the two guide rollers are located on the same straight line perpendicular to the take-up roller, and a wire cutting unit is fixedly arranged between the two guide rollers; the wire cutting unit comprises a wire cutting assembly, a wire pressing plate and a wire pressing assembly, the wire pressing pla