Density detection equipment based on EPS pre-foaming machine and EPS pre-foaming machine

The embodiment of the utility model discloses density detection equipment based on an EPS pre-foaming machine and the EPS pre-foaming machine. The density detection equipment comprises a rack, a charging barrel, a negative pressure assembly, a feeding assembly, a quantifying assembly, a collecting hopper, a valve assembly and a control device, the negative pressure assembly and the feeding assembly are arranged on the upper portion of the charging barrel, the charging barrel is arranged on the rack, the bottom of the charging barrel is connected with the top of the collecting hopper through the quantifying assembly, and the valve assembly is arranged at the bottom of the charging barrel; the EPS pre-foaming machine comprises the density detection equipment provided by the utility model. The utility model provides the density detection equipment based on the EPS pre-expander and the EPS pre-expander, which are higher in density detection precision and higher in efficiency. 本实用新型实施例公开一种基于EPS预发机的密度检测设备及EPS预发机，包括