Removable drum apparatus for vacuum coating

• Main Authors: LUO RONGPING, ZHANG CHAOYI, DU JIAN, LIU YONGJUN, DONG QI, LI CHANGBIN
• Format: Patent
• Language: Chinese; English
• Published: 09.11.2018
• Subjects: CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; METALLURGY; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION

The invention relates to a removable drum apparatus for vacuum coating. The removable drum apparatus comprises a vacuum shell, a rotary transmission mechanism, a rotary magnetofluid sealing element, acylindrical rotating frame and a workpiece drum, wherein the rotary magnetofluid sealing element comprises a fixed sealing seat, a transmission rotating shaft and a rotating shaft gear; the cylindrical rotating frame comprises a rear flange plate, a front flange ring and water-cooled rib plates; one end of the transmission rotating shaft is in assembly connection with the cylindrical rotating frame, and the other end of the transmission rotating shaft is connected with the rotary transmission mechanism, and a rotary water joint is arranged at the other end of the transmission rotating shaft;a central water return pipe penetrates through the interior of the rotary water joint; and one end of the central water return pipe stretches into the rotary water joint, and the other end of the central water return pipe is c