Device for improving emulsion cleaning capacity of finishing machine

The utility model provides a device for improving emulsion cleaning capacity of a finishing machine. The device comprises a supply pump, a supporting roller injection beam and a working roller injection beam, an upper supporting roller and a lower supporting roller of the finishing machine are respectively provided with a supporting roller spraying beam for spraying emulsion, and an upper working roller and a lower working roller of the finishing machine are respectively provided with a working roller spraying beam for spraying emulsion; the supply pump is used for supplying emulsified liquid to the supporting roller spraying beam and the working roller spraying beam; the working roller spraying beam comprises a central spraying section and outer side spraying sections symmetrically arranged at the two ends of the central spraying section, each outer side spraying section comprises N spraying working sections arranged in sequence, and N is a natural number larger than or equal to 2; the supporting roller inje