| CPC B30B 9/28 (2013.01) [B30B 7/04 (2013.01); B30B 15/041 (2013.01); B30B 15/08 (2013.01); B30B 15/34 (2013.01); H01M 50/105 (2021.01); H01M 50/136 (2021.01); H01M 50/145 (2021.01)] | 22 Claims |
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1. A hot-press system for folding a surface of a pouch-type secondary battery, the hot-press system comprising:
a first folded surface pressing means configured to hold a main chamber and long-side terraces, which have folded surfaces, of a secondary battery, the first folded surface pressing means being configured to primarily press the folded surfaces while applying heat and pressure to the folded surfaces;
a second folded surface pressing means configured to hold the main chamber and the long-side terraces, which have the folded surfaces, of the secondary battery guided from the first folded surface pressing means, the second folded surface pressing means being configured to secondarily press the folded surfaces while applying heat and pressure to the folded surfaces; and
a main chamber alignment means configured to align the main chamber of the secondary battery having the folded surfaces and guide the secondary battery to the first folded surface pressing means,
wherein the main chamber alignment means comprises:
a pair of alignment bodies installed to face each other with the main chamber of the secondary battery, which is guided from a preceding process, interposed therebetween, the pair of alignment bodies being configured to align the main chamber while moving to the main chamber; and
a first air spray unit configured to spray air toward an upper surface of the main chamber to prevent the main chamber from being lifted up from the alignment bodies when the alignment bodies align the main chamber.
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