Vacuum feeding machine

The utility model provides a vacuum feeding machine which comprises a machine box. The vacuum pump is mounted on the case, the vacuum pump is provided with an air suction port and an air exhaust port, a silencer is arranged at the air exhaust port of the vacuum pump, the air suction port is communicated with a filter cartridge, and the filter cartridge is provided with an air inlet; the mixing machine is used for mixing materials, a feeding tee joint is arranged at an opening of the mixing machine, and the feeding tee joint is communicated with the air inlet; the material box is used for containing materials, the feeding tee joint is connected with a material suction nozzle, and the material suction nozzle can be inserted into the material box. The vacuum pump is arranged in the case, and the silencer is arranged at the exhaust port of the vacuum pump, so that the noise of vacuum feeding in the working process of the mixer is reduced. 本实用新型提供一种真空上料机，包括机箱；真空泵，安装于所述机箱，所述真空泵具有吸气口和排气口，所述真空泵的排气口处设置有消音器，所述吸气口连通过滤筒，