1. Machine for molding a food product, comprising: a molding plate containing at least one molding cavity in it, along a predetermined path, in a repeating cycle, between the inlet position and the outlet position; a food product pump for feeding the moldable food product; receiving channel, connecting said food product pump to said molding cavity when said molding plate is in said inlet position; a receiving plate located in said receiving channel e adjacent to said mold plate; air extraction plate; said vent plate includes a receiving groove, the receiving projection, or a plurality of receiving holes, distributed in a predetermined manner over the entire area; the aforementioned receiving groove of the holes, or the receiving protrusion, form trajectories through said air exhaust plate, wherein said receiving groove, the receiving protrusion or holes create a Venturi effect. 2. The food product molding machine according to claim 1, wherein said receiving groove, receiving protrusion or holes comprise a hemisphere or curvilinear structure that has a diameter that is not greater than the critical section flow for the liquefied gas or solid used and not less than the diameter of the connected cylindrical part in the vent plate. 3. The food product molding machine according to claim 1, wherein said receiving groove, receiving protrusion or holes are spaced in the direction of movement, and said receiving groove, receiving protrusion or holes have a diameter such that the ratio of the diameter of the spherical part�1. Машина для формования пищевого продукта, содержащая:формовочную пластину, содержащую по меньшей мере одну формовочную полость в ней, вдоль заданной траектории, в повторяющемся цикле, между положением впуска и положением выпуска;насос для пищевого продукта для подачи формуемого пищевого продукта;приемныйканал, соединяющий упомянутый насос для пищевого продукта с упомянутой формовочной полостью, когда упомянутая формовочная пластина находится в упомянутом