The utility model discloses a bituminous mixture blendes device for experiments, set up the electronic scale in the recess through setting up the recess in weighing device upper end and weighing, be equipped with electric contact base on the electronic scale in a recess of weighing, after letting be equipped with the bottom and weigh and place in a recess of weighing at the bottom of the agitator in the electrical contact groove of the electric contact base cooperation electrical contact in the recess, can carry out the material heating when weighing, shorten the time of experiment, through motor rotation installation motor on the mix device, then pass through liquid bar connection with supporting seat and motor, vibration or flagging problem in the time of can effectively preventing the horizontal mix of motor, this device simple structure, convenient to use and degree of automation are higher, simultaneously, the operation is stable, safety, can blend out the misce bene, the higher mixture of quality, guarantee the accuracy of experimental result, simultaneously also fine solution bituminous mixture add the complicated problem of pitch when blending.