Brush head used for vacuum brush-coating machine and vacuum brush-coating machine employing the same

The utility model relates to a brush head used for a vacuum brush-coating machine, which comprises a brush head body, a plurality of brush teeth arranged in the positions close to the top of the brush head body, an accommodating groove and an elongated groove formed on both sides of the brush head body respectively, an anode plate detachably arranged inside the accommodating groove and matched with the accommodating groove, sub-teeth formed on the anode plate in the positions corresponding to each brush tooth and matched with the brush teeth, a cover plate arranged inside the elongated groove, a flow guide groove formed at the bottom of the brush head body, a plurality of brush tooth holes formed by oblique perforation along the flow guide groove toward the accommodating groove in the positions corresponding to each brush tooth and used for allowing a coating liquid inside the flow guide groove to flow toward each brush tooth for brush coating, a sealing plate arranged on the flow guide groove and used for se