Vacuum feeding equipment for glass powder spraying machine

The utility model relates to the technical field of vacuum feeding equipment, and discloses vacuum feeding equipment for a glass powder spraying machine, which comprises negative pressure air suction equipment and a collecting hopper, two connecting pipes are fixedly mounted on the negative pressure air suction equipment, the front connecting pipe corresponds to the collecting hopper in position up and down, the connecting pipes are L-shaped blocks, and the connecting pipes are connected with the collecting hopper. A feeding pipe and an air suction pipe are installed in the two connecting pipes respectively, the air suction pipe is communicated with negative pressure air suction equipment, the outlet end of the feeding pipe corresponds to the collecting hopper, a tank body is installed on the right sides of the two connecting pipes, the feeding pipe and the air suction pipe are both communicated with the interior of the tank body, and fan blades capable of rotating are arranged in the tank body. The negative