US 12,454,028 B2
Wide laser beam high-throughput additive-manufacturing and cladding device and working method thereof
Hongzhi Cui, Shandong (CN)
Assigned to OCEAN UNIVERSITY OF CHINA, Qingdao (CN)
Filed by OCEAN UNIVERSITY OF CHINA, Shandong (CN)
Filed on Apr. 4, 2025, as Appl. No. 19/170,736.
Application 19/170,736 is a continuation of application No. 18/968,518, filed on Dec. 4, 2024, abandoned.
Claims priority of application No. 202410113446.9 (CN), filed on Jan. 26, 2024.
Prior Publication US 2025/0289079 A1, Sep. 18, 2025
Int. Cl. B23K 26/342 (2014.01); B22F 10/28 (2021.01); B22F 12/41 (2021.01); B23K 26/03 (2006.01); B23K 26/067 (2006.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01)
CPC B23K 26/342 (2015.10) [B22F 10/28 (2021.01); B22F 12/41 (2021.01); B23K 26/032 (2013.01); B23K 26/0676 (2013.01); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12)] 8 Claims
OG exemplary drawing
 
1. A wide laser beam high-throughput additive-manufacturing and cladding device, comprising a wide laser beam cladding head, a high-throughput powder-feeding system, and a mechanical motion system, wherein the wide laser beam cladding head is fixed on the mechanical motion system through a flange-arranging plate; the high-throughput powder-feeding system is configured to adjust a mass of a powder to be fed, and comprises a powder-feeding tank A and a powder-feeding tank B;
the wide laser beam cladding head comprises a laser shaping structure and a gas-powder mixing path structure for synchronous powder feeding; the laser shaping structure comprises a collimating lens, a diffractive optical element (DOE), a concentrating lens, and a protective lens; the gas-powder mixing path structure for the synchronous powder feeding comprises an optical fiber interface, a water-cooling interface, a central shielding gas, a focus-adjusting sleeve, and a nozzle; the powder-feeding tank A and the powder-feeding tank B are connected to a powder-feeding interface of the nozzle through a powder-feeding pipe; a cooling water pipe of an external cooling-water machine is connected with a plurality of water-cooling interfaces to form a cooling water circulation; an external shielding gas is connected to a shielding-gas interface of the wide laser beam cladding head to provide the central shielding gas; and an external optical fiber is connected to the optical fiber interface to input a laser, the laser passes through the collimating lens, the DOE, the concentrating lens, and the protective lens successively, and a wide laser beam is output at an outlet of the nozzle.