Vacuum chuck protective cover

The utility model discloses a protective cover for a vacuum chuck, which comprises a back plate provided with a first mounting surface for mounting accessories and a second mounting surface for fixing the back plate; the support is mounted on the first mounting surface of the back plate, and the support is used for hanging a vacuum suction pen; the protective cover is movably buckled on the back plate, the protective cover is provided with a semi-closed cavity with one open face, and when the protective cover is buckled on the back plate through the open face of the protective cover, the support is contained in the cavity of the protective cover. And the working end of the vacuum suction pen hung on the support is completely accommodated in the protective cover. According to the utility model, the vacuum chuck temporarily hung on the support is covered by the protective cover, so that the vacuum chuck can be well protected to reduce pollution of microparticles in the air and accidental damage, and the use per