The present invention belongs to the technical field of sand mixers, and specifically provides a resin sand mixer, including a base, a conveying
auger rotatably connected to the base, the conveying
auger is provided with a first feed port and a first
discharge port, a material guide box is rotatably connected at the first
discharge port, the material guide box is slidably connected to a sleeve box, the sleeve box is rotatably connected to a hinged shaft fixedly connected to one side of the material guide box through a hinge plate, the bottom of the sleeve box is connected to the sand mixer
auger, a liquid filling port is provided on the sand mixer auger, the sand mixer auger is provided with a second
discharge port, an inner gear ring is fixed at one end of the sand mixer auger feed port, a movable rotating plate is provided at the bottom of the sand mixer auger, the sand mixer auger is fixedly connected to a support plate hinged on the rotating plate, a driving motor is installed on the rotating plate, a driving gear meshing with the inner gear ring is fixed at the output end of the driving motor, the rotating plate is rotatably arranged, and the first electric turntable, the second electric turntable, and the driving motor are electrically connected to the control panel. The above can realize the adjustment of the horizontal position and height of the discharge port of the sand mixer.