Printing ink recycling machine for printed circuit board

The utility model discloses a printed circuit board printing ink recycling machine which comprises a workbench, stable supporting plates, a supporting back plate, a fixed supporting plate, a rotating motor, a printing ink cylinder fixing mechanism, an oil scraping back plate, an oil scraping mechanism, an oil storage cavity and an oil collecting hopper. The supporting back plate is fixedly arranged on one side of the stable supporting plate and arranged above one end of the workbench, the fixed supporting plate is rotationally arranged on the side, away from the stable supporting plate, of the supporting back plate, and the rotating motor is fixedly arranged in the center of the side, away from the fixed supporting plate, of the supporting back plate. The output end of the rotating motor penetrates through the supporting back plate and is connected with the fixed supporting plate. The utility model belongs to the technical field of printing ink recovery, and particularly provides a printing ink recovery machi