US 12,409,485 B2
Manufacturing device of roof panel for vehicles
JeongHee Cho, Ulsan (KR)
Assigned to HYUNDAI MOTOR COMPANY, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed by HYUNDAI MOTOR COMPANY, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on May 8, 2023, as Appl. No. 18/144,389.
Claims priority of application No. 10-2022-0090016 (KR), filed on Jul. 21, 2022.
Prior Publication US 2024/0024941 A1, Jan. 25, 2024
Int. Cl. B21D 28/10 (2006.01); B21D 22/20 (2006.01); B21D 53/88 (2006.01)
CPC B21D 22/20 (2013.01) [B21D 28/10 (2013.01); B21D 53/88 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A manufacturing apparatus of a roof panel for a vehicle, the manufacturing apparatus comprising:
a first mold in which a blank holder and a lower drawing steel are provided in a first lower die, and an upper drawing steel corresponding to the lower drawing steel is provided in a first upper die, to draw a blank in a predetermined shape;
a second mold including first trimming units provided in a second lower die and a second upper die to trim an edge portion of a first processed plate processed by the first mold, second trimming units provided on the second lower die and the second upper die to trim a sunroof hole in a front portion of the first processed plate, first restriking units provided on the second lower die and the second upper die to form first undercut faces on first and second edge portions of the sunroof hole in a left and right direction, and first cam forming units provided on the second lower die and the second upper die to form a hinge mounting portion on a rear portion of the first processed plate; and
a third mold including flange forming units provided in a third lower die and a third upper die to form a down flange on an edge portion of the sunroof hole of a second processed plate processed by the second mold, and second restriking units provided in the third lower die and the third upper die to form a water receiving portion connected to the hinge mounting portion on a rear portion of the second processed plate.