Electric spindle of floating thrust bearing sealing mechanism

• Main Authors: LIN JIYE, YAN RUILONG, OU TINGYING, ZHANG LONG, YAN RUIGUANG
• Format: Patent
• Language: Chinese; English
• Published: 21.07.2023
• Subjects: BORING; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT; DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; TRANSPORTING; TURNING

The utility model provides an electric spindle of a floating thrust bearing sealing mechanism, which relates to the technical field of spindles and comprises a cooling fan, a rear bearing cover, a floating device, a thrust bearing A, a rotating shaft core, an automatic centering retainer and a high-speed bearing. The rear bearing cover is installed at the bottom end, close to the cooling fan, of the surface of the rotating shaft core, the automatic centering retainer is installed at the bottom end, close to the rear bearing cover, of the surface of the rotating shaft core, and the floating device is installed in the middle of the surface of the automatic centering retainer. According to the electric spindle, the rear bearing cover, the floating device, the automatic centering retainer and the high-speed bearing are arranged, so that the high-speed bearing and the rear bearing cover are sealed, dust and water mist are prevented from entering the electric spindle, and the phenomenon that normal use of the elect