The present invention relates to a foamed foam forming die, particularly, a steam hole in which a steam cap is inserted into only one of the upper molding die and the lower molding die is formed, And a plurality of plates are assembled together so that a gap can be formed between the steam pipes and the steam pipes. Thus, the time, effort and cost required for inserting the steam caps are saved, And moreover the engaging portions of the plates are coupled through the concave and convex shapes corresponding to each other and the slit holes capable of increasing the flow of steam and air between the engaging portions of the plates are spaced apart, The present invention relates to a foamed foam forming mold capable of more stably bonding and improving molding efficiency It is. The forming means of the foamed foam forming mold according to the present invention is a foamed foam forming mold comprising: an upper plate coupled to an upper main frame and having an opening formed in a plate surface; a lower plate coupled to the lower main frame, And a lower mold for forming a molding space in a state that the upper molding die is inserted into the opening of the lower plate, wherein the upper molding die is provided at an opening of the upper plate, Wherein the steam holes are formed in only one of the upper molding die and the lower molding die and the steam cap is inserted into the molding die. The molding die, in which the steam holes are not formed, A first side plate constituting a pair of side faces and a second side plate constituting a pair of the other side faces facing each other It is assembled in is characterized in that formation.
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