Title:
APPARATUS FOR MANUFACTURING LAMINATED CORE CAPABLE OF ADJUSTING HEIGHT OF BACK PRESSURE UNIT AUTOMATICALLY
Document Type and Number:
WIPO Patent Application WO/2022/260226
Kind Code:
A1
Abstract:
The apparatus for manufacturing a laminated core according to the present invention is characterized by comprising a lower die 10 comprising a plurality of piercing dies 11 and a laminating unit 13; and an upper die 20 comprising piercing punches 21 arranged above the piercing dies 11 and a blanking punch 22 arranged above the laminating unit 13, the laminating unit 13 comprising a blanking die 131 and a squeeze ring 132 installed at a lower part of the blanking die 131, the apparatus further comprising a back pressure unit 14 installed at a lower part of the squeeze ring 132, wherein the back pressure unit 14 comprises a back pressure plate 141; a back pressure cylinder 142 for operating a cylinder rod 143 which moves the back pressure plate 141 up and down; and a scale bar head 145 installed at a lower part of the cylinder rod 143.
Inventors:
KIM SEUNG SOO (KR)
Application Number:
PCT/KR2021/017633
Publication Date:
December 15, 2022
Filing Date:
November 26, 2021
Export Citation:
Assignee:
BMC CO LTD (KR)
International Classes:
H02K15/02; H01F3/02; H01F41/02
Foreign References:
| KR20190051812A | 2019-05-15 | |||
| KR101446946B1 | 2014-10-06 | |||
| KR102208153B1 | 2021-01-27 | |||
| KR20120045735A | 2012-05-09 | |||
| KR20180023471A | 2018-03-07 |
Attorney, Agent or Firm:
LEE, Sung Rok (KR)
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