Vacuum suction device

The utility model relates to a vacuum material suction device which comprises a material suction assembly. The material sucking assembly comprises a material sucking disc, a driving motor and a connecting pipe; one end of the connecting pipe penetrates through the driving motor and then communicates with the interior of the suction disc, and the other end of the connecting pipe is used for being connected with a vacuum pump. The suction disc comprises a base disc and a cover disc; a through hole is formed in the middle of the base disc and communicates with the connecting pipe. A pit is formed in the face, back on to the driving motor, of the base disc and communicates with the through hole. A plurality of clamping positions are uniformly arranged on the periphery of the base disc at intervals, and the clamping positions are used for accommodating capacitors; air holes are formed in the middle, corresponding to the clamping positions, of the base disc, communicate with the pits and are used for sucking capaci