Mould pressing inductor preparation method of high-compactness core column and mould pressing mould

• Main Authors: SU LILIANG, SU LIFENG, LIU MINGSONG, SU XUEYUAN, LIU DI, LONG QINGSHOU, SONG SHUHUA
• Format: Patent
• Language: Chinese; English
• Published: 11.08.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; INDUCTANCES; MAGNETS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; TRANSFORMERS

The invention provides a method for preparing a mould pressing inductor of a high-compactness core column, which comprises the following steps of: preparing a mould pressing mould, and arranging a powder adding hole and a powder ejecting column in a cavity of a lower mould base; winding or sleeving the coil on the core column; the upper mold base drives the upper mold plate to descend, so that the coil enters the mold cavity; after the coil is separated, the upper template ascends to leave the lower die holder; inductance powder is distributed into the cavity; the upper mold base drives the upper mold plate to descend to press the powder in the mold cavity; meanwhile, the powder ejecting column ascends to eject powder in the powder increasing hole into the coil; and therefore, inductor pressing is completed. After the scheme is adopted, the cost of the coil can be saved, the size of the inductor can be smaller, and the compactness is higher. 本发明提供一种高致密性芯柱的模压电感制备方法，它包括有以下步骤：制备模压模具，在下模座的型腔内设置增粉孔和顶粉柱；将线圈绕卷或套装在芯柱