Suction fan for high-performance paper receiving machine

• Main Authors: LU MIAOJUN, ZHAO GUANGHUI, XU MINGSHOU, CHE YUFENG, TONG WEIJIE, ZHAO SHIHONG
• Format: Patent
• Language: Chinese; English
• Published: 11.06.2024
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model relates to a suction ventilator for a high-performance paper receiving machine, which comprises a centrifugal volute of the suction ventilator, an air inlet cylinder communicated with an air inlet hole is fixedly connected on the side wall of the centrifugal volute, an air inlet connecting pipe is inserted in the air inlet cylinder, one end of the air inlet connecting pipe extends out of the air inlet cylinder to form a conical transition pipe, and the other end of the air inlet connecting pipe is provided with a suction port. A straight insertion pipe is formed at the tail end of the transition pipe, and a check ring is formed at the tail end of the insertion pipe in a folded mode; a rubber sealing sleeve and an annular blocking cover are sleeved on the inserting pipe in an inserting mode, and the two ends of the rubber sealing sleeve abut against the blocking ring and the blocking cover respectively. A plurality of guide grooves are formed in the outer wall of the air inlet barrel, lugs ar