The utility model discloses a kind of composite knitted fabric's spray device, belong to composite knitted fabric spray technology field, the composite knitted fabric's spray device, including mobile frame and controller fixedly installed on mobile frame, mobile frame is fixedly installed with storage bucket, hose is connected through in storage bucket top, and spray head is installed in hose port;Mobile frame is fixedly connected with support frame, support frame is fixedly embedded with
fixed frame, steering shaft is rotatably connected in
fixed frame, and mounting seat for installing limiting spray head is arranged in steering shaft, and autonomous drive mechanism for driving mounting seat reciprocating rotation to expand spray range is arranged on support frame;When spray
processing, spray head is combined with mounting seat, reciprocating rotation of spray head is controlled by transmission, and spray operation is completed mechanically and uniformly, and it is high in accuracy to operate labor-saving.