US 11,967,456 B1
Device and method for preparing thermosetting bonded magnet
Shunquan Liu, Beijing (CN); Jinbo Yang, Beijing (CN); Jingzhi Han, Beijing (CN); and Qing Xu, Beijing (CN)
Assigned to Peking University, Beijing (CN)
Filed by Peking University, Beijing (CN)
Filed on Aug. 14, 2023, as Appl. No. 18/449,665.
Claims priority of application No. 202211214670.4 (CN), filed on Sep. 30, 2022.
Int. Cl. H01F 41/02 (2006.01)
CPC H01F 41/0266 (2013.01) 7 Claims
OG exemplary drawing
 
1. A device for preparing a thermosetting bonded magnet, comprising a feeding tank (1) and a composite-function mold (2); wherein a feeding end of the feeding tank (1) is connected to the composite-function mold (2); and
wherein the composite-function mold (2) comprises a housing (3), the housing (3) is disposed at an upper end and a lower end of the composite-function mold (2), and the housing (3) comprises a polytetrafluoroethylene upper cover (4) and a polytetrafluoroethylene lower cover (5); the polytetrafluoroethylene upper cover (4) and the polytetrafluoroethylene lower cover (5) are respectively disposed at the upper end and the lower end of composite-function mold (2); a notched internal wall of the polytetrafluoroethylene upper cover (4) and a notched internal wall of the polytetrafluoroethylene lower cover (5) are respectively connected to magnetic iron cores (6), the polytetrafluoroethylene upper cover (4) and the polytetrafluoroethylene lower cover (5) together define a cavity (7) therebetween; a rubber ring (8) is disposed between a surface of a corresponding one of the magnetic iron cores (6) and the notched internal wall of the polytetrafluoroethylene upper cover (4); a kneading assembly is disposed in the composite-function mold (2); and a permanent magnet orientation pole head frame mechanism is disposed on a surface of the composite-function mold (2).