Title:
APPARATUS FOR MANUFACTURING LAMINATED CORE OF MOTOR
Document Type and Number:
WIPO Patent Application WO/2024/063282
Kind Code:
A1
Abstract:
An apparatus for manufacturing a laminated core of a motor according to the present invention comprises a lower mold 1 installed with a plurality of piercing dies 11, and a blanking mold 12 installed on one side of the piercing dies 11; and an upper mold 2 comprising a plurality of piercing punches 21 installed on an upper part of the piercing die 11, and a blanking punch 22 installed on an upper part of the blanking die 12, wherein a laminating unit 3 comprising a heating unit 31, and a squeeze ring 32 which is positioned inside the heating unit 31 and has a laminar member 201 molded in the blanking die 12 laminated on the inner circumferential surface, is installed on a lower part of the blanking die 12, and the heating unit 31 is installed outside the squeeze ring 32, and a plurality of laminar members 201 are laminated through a plurality of heating windows 32A formed on the squeeze ring 32 to locally heat the laminated core 200.
Inventors:
HEO GYE YONG (KR)
Application Number:
PCT/KR2023/010078
Publication Date:
March 28, 2024
Filing Date:
July 14, 2023
Export Citation:
Assignee:
HEO GYE YONG (KR)
International Classes:
H02K15/02; B21D28/14; B21D28/24; B32B7/12; B32B37/12; H01F41/02
Foreign References:
| KR20190051812A | 2019-05-15 | |||
| JP2003077852A | 2003-03-14 | |||
| KR20180077925A | 2018-07-09 | |||
| KR20180023758A | 2018-03-07 | |||
| KR20190051165A | 2019-05-15 |
Attorney, Agent or Firm:
LEE, Sung Rok (KR)
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