Cement paste mixer

The utility model discloses a cement paste mixer, solved the agitated kettle not the installation can cause the problem of stirring vane idle running, its technical scheme main points are, the bottom of fixing base is equipped with and is used for launching infrared emission module, the up end of base is equipped with corresponding to the position of fixed orifices and is used for the receiving module that receives the infrared ray and export infrared detection signal, the utility model discloses a cement paste mixer, fixed layer board can be used for installing the agitated kettle, and in the time of in the fixed orifices is pegged graft to the fixing base, receiving module is just in time relative with emission module to can receive by the infrared ray that emission module sent, explain that fixed layer board has been installed to the agitated kettle on, motor transmission can normal boot this moment, otherwise in the time of on fixed layer board is not installed to the agitated kettle, receiving module can