The utility model provides a vacuum loading machine, which mainly comprises a sealed container, a sucking pipe, a vacuum pipe, a compressed air pipe, a position sensor and a vibrator. The sealed container is composed of an upper portion and a lower portion, the upper portion is a blanking cabin, the lower portion is a blanking hopper, the vacuum pipe is connected to the top of the blanking cabin, a feeding inlet arranged on the lateral wall of the blanking cabin is connected with the sucking pipe, the compressed air pipe and the vacuum pipe are communicated with the sealed container via pipelines, the position sensor is arranged on a pipeline branch and positioned at the upper edge position of the inside of the blanking hopper, and the vibrator is arranged on the lateral wall of the blanking hopper. The vacuum loading machine omits complicated steps in manual loading, has no material leakage during loading process, is energy-conservative and environmental-protective, is convenient in processing and assembly, wide in application range, strong in universality, and is suitable for the needs of industrial production in scale.