Ink injection machine capable of recycling waste ink

• Main Authors: YU TIANFENG, YIN KUIZHI
• Format: Patent
• Language: Chinese; English
• Published: 02.11.2021
• Subjects: CORRECTION OF TYPOGRAPHICAL ERRORS; i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; LINING MACHINES; PERFORMING OPERATIONS; PRINTING; SELECTIVE PRINTING MECHANISMS; STAMPS; TRANSPORTING; TYPEWRITERS

The utility model discloses an ink injection machine capable of recovering waste ink, which comprises a first valve group, a second valve group, a metering cylinder, a waste ink recovery cylinder, a negative pressure ink suction device and a controller, the waste ink recovery cylinder comprises a waste ink recovery cylinder body, a first negative pressure input end and a waste ink input end, and the waste ink input end and the first negative pressure input end are both arranged at the upper end of the waste ink recovery cylinder body. The metering cylinder comprises a metering cylinder body, an ink input end, an ink output end and a second negative pressure input end, the ink input end and the second negative pressure input end are both arranged at the upper end of the metering cylinder body, the ink output end is arranged at the lower end of the metering cylinder body, and the first negative pressure input end and the second negative pressure input end are both connected with the output end of the negative p