Sand mixing device

The utility model relates to the technical field of sand mixing devices, and discloses a sand mixing device which comprises a sand mixing box, a stirring mechanism is arranged in the sand mixing box, an output device is arranged on the surface of the stirring mechanism, the output device is connected with the sand mixing box, a smashing structure is arranged in the sand mixing box, and a linkage component is arranged on the surface of the smashing structure. The stirring mechanism, the output device, the crushing structure, the linkage component and other parts are matched with one another, so that the output device can drive the stirring mechanism and the crushing structure to operate at the same time when working, and then the energy utilization rate of the motor is increased; the problems that an existing device needs to be driven by two sets of power sources, two sets of circuits need to be laid in the production process, the manufacturing time of the device can be prolonged, the overall manufacturing cos