Defoaming device for graphene

The utility model belongs to the technical field of graphene preparation, and particularly relates to a graphene defoaming device which comprises a shell, a cover plate and a defoaming component, a groove is formed in the top of the shell; the cover plate is arranged in the groove in a covering manner; the bubble removing assembly is arranged in the shell; the bubble removing assembly comprises a base plate, a vacuum pump and a bubble pressing mechanism; the base plate is fixedly connected to the outer side wall of the shell; the input end of the vacuum pump is fixedly connected with an air inlet pipe, and the output end of the vacuum pump is fixedly connected with an air outlet pipe; the air inlet pipe is fixedly connected to the side wall of the shell and communicates with the interior of the shell. The air outlet pipe is communicated with the external environment; the bubble removing assembly is arranged in the shell; the interior of the shell is vacuumized by starting the vacuum pump, and bubbles are crus