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Pub. No.:    WO/2018/195779    International Application No.:    PCT/CN2017/081875
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Wed Apr 26 01:59:59 CEST 2017
IPC: B01F 7/16
Applicants: XU, Ying
Inventors: XU, Ying
A precutting stirrer. The precutting stirrer comprises a stirring tank body (13), a stirring assembly, a supporting assembly, a cutting and pressing assembly, and a power assembly. The stirring assembly is located in the stirring tank body (13). The power assembly is located on the supporting assembly and is connected to the stirring assembly by means of a stirring transmission shaft. A power system of the cutting and pressing assembly is located on the supporting assembly, and a pressing plate (8) to which the cutting and pressing assembly belongs is located in the stirring tank body (13). The stirring assembly comprises a stirring blade kit (1) and a transmission shaft (2). The stirring blade kit (1) is connected to the transmission shaft (2) by means of self-tightening bolts, and the stirring blade kit (1) is set as a three-blade propeller, or a four-blade propeller or a double-herringbone -teeth propeller. In the technical solution, a raw material is precut before the raw material is stirred, so that the raw material is cut into small pieces; accordingly, the damage to a stirring blade is decreased, the service life of the stirring blade is prolonged, production costs are reduced, and dangerous hidden production risks are eliminated.