US 12,214,567 B2
Press machine having planetary gear system for multi-speed drive functionality
Jeffrey E. Debus, Ballwin, MO (US); Darrell B. Harrelson, St Peters, MO (US); and Kyle W. Harris, Alton, IL (US)
Assigned to PDInnovative LLC, Fenton, MO (US)
Filed by PDInnovative LLC, Fenton, MO (US)
Filed on May 23, 2022, as Appl. No. 17/664,606.
Claims priority of provisional application 63/263,603, filed on Nov. 5, 2021.
Claims priority of provisional application 63/260,978, filed on Sep. 8, 2021.
Prior Publication US 2023/0070093 A1, Mar. 9, 2023
Int. Cl. B30B 1/18 (2006.01); B21J 9/10 (2006.01); B30B 15/12 (2006.01); F16H 25/20 (2006.01)
CPC B30B 1/18 (2013.01) [B21J 9/10 (2013.01); B30B 1/183 (2013.01); B30B 15/12 (2013.01); F16H 25/205 (2013.01); F16H 2025/2081 (2013.01); F16H 2025/2087 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A press machine for forming a part, comprising:
a linear actuator having a male-female screw arrangement and an actuator rod that is threadably coupled to the male-female screw arrangement;
a press ram that is coupled to the actuator rod of the linear actuator, the press ram for receiving a tool for engaging and forming a part;
a planetary gear system including a ring gear, a sun gear, and a plurality of planet gears located between the sun gear and the ring gear, the planetary gear system having an output shaft that provides rotational movement to the male-female screw arrangement of the linear actuator;
a first motor coupled to the planetary gear system for producing a high-speed condition on the linear actuator for advancing the press ram toward the part, the first motor coupled to the sun gear to drive the sun gear; and
a second motor coupled to the planetary gear system for producing a high-force condition on the linear actuator for forming the part with the tool on the press ram, the second motor coupled to the ring gear to drive the ring gear.