Forming die assembly, negative pressure forming device and negative pressure forming method

The invention relates to a forming die assembly, a negative pressure forming device and a negative pressure forming method. The forming die assembly includes a first die and a second die. The first die comprises a first forming piece, a first supporting piece and a first sealing piece, the second di...

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Bibliographische Detailangaben
Hauptverfasser:	SUN CHUXIANG, OU HAISHI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL PERFORMING OPERATIONS PRESSES PRESSES IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a forming die assembly, a negative pressure forming device and a negative pressure forming method. The forming die assembly includes a first die and a second die. The first die comprises a first forming piece, a first supporting piece and a first sealing piece, the second die comprises a second forming piece, a second supporting piece and a second sealing piece, the firstsupporting piece is arranged around the outer edge of the first forming piece, the first sealing piece is arranged around the outer edge of the first supporting piece, the second supporting piece is arranged around the outer edge of the second forming piece, and the second sealing piece is arranged around the outer edge of the second supporting piece. The first sealing piece and the second sealingpiece can be matched to form a sealing cavity, and the first forming piece and the second forming piece can be matched to form a forming cavity. The forming die assembly can effectively prevent external impurities from enteri