Proppant volume density measuring device

The utility model belongs to the technical field of fluid material density testing, and particularly relates to a proppant volume density measuring device which comprises a box body with an upward opening, and a sample weighing barrel with an upward opening is supported in the box body; a mounting frame body is arranged on the box body, a funnel positioned above the sample weighing barrel is placed on the mounting frame body, a discharge port of the funnel corresponds to an opening of the sample weighing barrel up and down, and a cut-off switch structure for controlling the opening degree of the discharge port of the funnel is arranged on the funnel; a supporting part for supporting the sample weighing barrel is arranged at the bottom of the box body, the sample weighing barrel is directly or indirectly supported on the supporting part, and a weighing sensor for supporting and weighing the sample weighing barrel is arranged on the supporting part. According to the utility model, the problem that the proppant