Novel chuck protection device

The utility model relates to a novel chuck protection device mainly comprising a chuck, a chuck mounting support, an upper protection device and a lower protection device, wherein the chuck is arranged on the chuck mounting support; the chuck mounting support is provided with the upper protection device and the lower protection device; the upper protection device mainly comprises an upper swing bearing, an upper swing bearing mounting base and a fixed seat, wherein the upper swing bearing is connected with the upper swing bearing mounting base through a pin shaft, and the upper swing bearing mounting base is connected with the chuck mounting support through the fixed seat; the lower protection device mainly comprises a lower swing bearing and a lower swing bearing mounting base, wherein the lower swing bearing is connected with the lower swing bearing mounting base through a pin shaft, and the lower swing bearing mounting base is fixed on the chuck mounting support. The novel chuck protection device has the a