Unreeling adjusting device of small-breadth battery diaphragm dividing and cutting machine and dividing and cutting machine

The invention aims to disclose a small-breadth battery diaphragm splitting machine unwinding adjusting device and a splitting machine. The small-breadth battery diaphragm splitting machine unwinding adjusting device comprises a first transverse adjusting assembly and a second transverse adjusting assembly. The first transverse adjusting assembly comprises a first supporting platform, a first linear guide rail assembly, a first unwinding assembly, a second linear guide rail assembly and a second unwinding assembly, a battery diaphragm coiled material is clamped between the first unwinding assembly and the second unwinding assembly, the first unwinding assembly transversely moves along the first linear guide rail assembly, and the second unwinding assembly transversely moves along the second linear guide rail assembly. The second unwinding assembly transversely moves along the second linear guide rail assembly; the first transverse adjusting assembly comprises a first supporting platform and a first linear guid