Sheet manufacturing apparatus and fiber separating section

Sheet manufacturing apparatus and fiber separating section

  • CN 104,562,818 B
  • Filed: 09/24/2014
  • Issued: 06/19/2020
  • Est. Priority Date: 10/09/2013
  • Status: Active Grant
First Claim
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1. A sheet manufacturing apparatus including a fiber splitting unit that rotates a rotating unit having a rotor provided with a plurality of protrusions on an outer periphery thereof to generate an air current and performs a dry fiber splitting process on an object to be split, wherein the sheet manufacturing apparatus deposits and heats at least a part of the object to be split obtained by the dry fiber splitting process to manufacture a sheet,the rotor is composed of a segment portion in which a rotary blade having a base portion and a plurality of projections is laminated in a plurality of layers, wherein the base portion is located on the side close to a rotation center axis, and the plurality of projections are provided so as to project from the base portion in a direction away from the rotation center axis,the rotating portion has a structure in which a plurality of segment portions are laminated with a separator interposed therebetween,the rotating portion further has conveying blades mounted on a side portion of the rotor,the conveying blade is mounted on a side portion of the rotor on the inflow side of the object to be defibered and has a blade portion rising in the direction of extension of the rotation center axis of the rotor,the conveying blade is attached to the base, fixed together with the plurality of rotary blades, and configured to tap the defibered material entering from the inflow portion side, crush the defibered material, and feed the defibered material in the direction of the rotor.

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