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从理论上分析了多层热压机杠杆式同时闭合机构同时闭合的几何条件，证明了对置的杠杆式同时闭合机构能理想地同时闭合，即在闭合过程中和闭合后，各层热压板的间距始终保持相等；而偏置的杠杆式同时闭合机构为相对的同时闭合，即在闭合过程中，各层热压板的间距只是近似相等，只有在闭合后各层热压板的间距才相等。本文所讨论的同时闭合机构主要参数之间的关系，为杠杆式同时闭合机构的正确设计提供了理论依据。
The geometrical conditions of simultaneous closing of the lever type simultaneous closing mechanism of the multi-layer hot press are theoretically analyzed. It is proved that the opposite lever-type simultaneous closing mechanism can be closed at the same time ideally. That is, during the closing process and after the closing, The spacing between the plates is always the same; while the biased lever-type simultaneous closure mechanism is relatively closed at the same time, that is, during the closing process, the spacing between the layers of the hot plate is only approximately equal, only after the closure of the hot plate spacing Only equal. The relationship between the main parameters of the simultaneous closing mechanism discussed in this paper provides a theoretical basis for the correct design of the simultaneous lever closing mechanism.