Gap coating module

The utility model discloses a clearance coating module which comprises a rack, and an impressing roller mechanism, a gravure roller mechanism and a coating box mechanism are arranged on the rack. The machine frame comprises a bottom frame, two symmetrical wall plates are fixedly arranged on the two sides of the bottom frame, and transverse supports distributed longitudinally are arranged between the two wall plates. An impressing roller mechanism is arranged between the two wallboards, the impressing roller mechanism comprises an impressing rubber roller arranged between the two wallboards, an impressing servo motor fixed on the wallboards is arranged at one end of the impressing rubber roller, and a transmission shaft of the impressing servo motor is fixedly connected with one end of the impressing rubber roller through an impressing coupler; the gravure roller mechanism comprises a gravure roller erected between the two wallboards, a gravure servo motor is arranged at one end of the gravure roller, a scrape