US 12,434,402 B2
Press punching device
Man Hyun Kim, Incheon (KR)
Filed by Man Hyun Kim, Incheon (KR)
Filed on Apr. 11, 2023, as Appl. No. 18/133,307.
Prior Publication US 2024/0342943 A1, Oct. 17, 2024
Int. Cl. B26F 1/42 (2006.01); C14B 5/00 (2006.01); D06N 3/00 (2006.01); B26D 7/00 (2006.01)
CPC B26F 1/42 (2013.01) [B26D 2007/0018 (2013.01); C14B 5/00 (2013.01); C14B 2700/116 (2013.01); D06N 3/0054 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A press punching device, comprising:
a punching jig configured such that a plurality of punching needles are placed in respective first through holes formed in the punching jig, whereby the plurality of punching needles are coupled to the punching jig;
a reinforcing plate formed at a bottom end of the punching jig and configured to support the punching jig;
a base plate formed below the reinforcing plate and configured to be movable in a lateral straight line; and
one or more rollers configured to press a base material when the base material is seated on the punching jig,
wherein the reinforcing plate comprises:
a main frame configured to support circumferential edges of the punching jig at the bottom end of the punching jig; and
a plurality of reinforcing frames formed inside the main frame,
wherein each of the plurality of reinforcing frames has a thinner vertical thickness than the main frame, so that the plurality of reinforcing frames are spaced apart from a bottom surface of the punching jig by a predetermined distance.