Exhaust rod of horizontal molding mould of green sand

The utility model discloses an exhaust rod of a horizontal molding mould of green sand, which comprises an exhaust rod body, the outer side of the exhaust rod body is of a conical structure, the exhaust rod body is of a hollow structure and comprises three sections of mounting cavities which extend from bottom to top and have diameters sequentially reduced, a step surface is formed between every two sections of mounting cavities, and an inverted T-shaped exhaust needle is arranged in the upper mounting cavity. The horizontal section of the exhaust needle is positioned in the middle mounting cavity and is limited by a step surface between the upper mounting cavity and the middle mounting cavity; an internal thread is arranged in the lower mounting cavity, an external thread rod is connected to the internal thread, and the lower mounting cavity is detachably connected to the modeling flat plate or the model through the other end of the external thread rod; in the using state, the upper end of the compression sp