US 12,434,292 B2
Press forming apparatus
Sang Wook Park, Hwaseong-si (KR); and Yong Shin Choi, Anyang-si (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 Oct. 6, 2022, as Appl. No. 17/961,344.
Claims priority of application No. 10-2022-0057397 (KR), filed on May 10, 2022.
Prior Publication US 2023/0364668 A1, Nov. 16, 2023
Int. Cl. B21J 13/02 (2006.01)
CPC B21J 13/025 (2013.01) 17 Claims
OG exemplary drawing
 
1. A press forming apparatus comprising:
a lower die assembly having a lower die;
an upper die assembly having an upper die configured to be movable in a first direction relative to the lower die;
a cam slider configured to be movable in a second direction relative to the lower die; and
a conversion mechanism configured to convert a movement of the upper die assembly in the first direction into a movement of the cam slider in the second direction,
wherein the conversion mechanism is configured to provide an external force for moving the cam slider toward the lower die when the upper die assembly and the lower die assembly are closed.