Food heavy metal detection device

The utility model relates to the technical field of food detection, in particular to a food heavy metal detection device which comprises an extrusion tank, a stirring mechanism is arranged at the bottom of the extrusion tank, a discharging mechanism is connected to the bottom side of the right end of the extrusion tank, a fixing ring is fixedly connected to the interior of the extrusion tank, and a filter hopper is placed on the upper side of the fixing ring. The upper side of the interior of the extrusion tank is slidably provided with an extrusion seat, the top end of the extrusion seat is fixedly connected with a pressing rod, the top end of the extrusion tank is in threaded connection with a tank cover, the pressing rod is in sliding fit with the tank cover, the bottom side of the front end of the extrusion tank is provided with a first transparent baffle, and the bottom side of the left end of the extrusion tank is connected with a liquid storage barrel. A second transparent baffle is mounted on the liqu