Photovoltaic cell coating device

The invention belongs to the field of photovoltaic cell production, and particularly relates to a photovoltaic cell coating device which comprises a protection box, a transmission pipe is fixedly connected to the outer side of the protection box and communicates with the interior of the protection box, and a first vacuum pump communicating with the interior of the transmission pipe is installed at the top of the transmission pipe; a tray device used for transporting a base material plate is arranged in the conveying pipe, an electron beam generator is installed on the outer side of the protection box, the output end of the electron beam generator penetrates to the inner side of the protection box, a grabbing assembly is arranged at the top of the inner side of the protection box, and the grabbing assembly is used for grabbing the base material plate transported from the conveying pipe. The protection box is provided with a plurality of crucibles, the whole technological process is easy to operate and low in e