Foaming plate edge grinding machine

The utility model discloses a foaming plate edge grinding machine which comprises a fixing base, a fixing frame is arranged at the top of the fixing base, a grinding assembly used for edge grinding is arranged at the bottom of the fixing frame, and an extruding assembly used for extruding a plate is arranged at the bottom of the fixing frame. The extrusion assembly comprises a fixed cylinder fixedly connected to the bottom end of the fixed base, and a movable cylinder is connected to the bottom end of the fixed cylinder in a penetrating mode. According to the foaming plate edge grinding machine, the fixed frame, the movable cylinder, the trapezoidal extrusion block and the spring are additionally arranged on the original basis, when the edge of a plate needs to be ground, the plate is firstly placed at the top of the fixed base and then pushed towards one side of the trapezoidal extrusion block, and when the plate is in contact with the bevel edge of the trapezoidal extrusion block, the plate is pushed to the