Bathtub forming machine

The utility model discloses a bathtub forming machine which comprises a frame body, a plurality of clamps, a forming die and a heating mechanism, and a machining area is arranged in the middle of the frame body. The multiple clamps are arranged around the machining area, each clamp comprises a driving device and an edge clamping component, the driving devices are connected with the edge clamping components and can drive the edge clamping components to move to be close to or away from the machining area, and the edge clamping components extend from one side of the machining area to the other side of the machining area; the forming die and the heating mechanism are both arranged on the frame body and can move to be close to or away from the machining area. When the edge clamping component clamps the edge of the plate, the whole edge of the plate can be clamped and fixed, so that the edge of the plate can effectively bear clamping force from the edge clamping component in a more balanced mode, and then the defec