Tri-folding die of pressure tank opening

The utility model discloses a tri-folding die of a pressure tank opening, comprising a lower die support, a lower template, a tank body inner lining die, a guiding hole, an upper template, a straight edge pressing die and a guiding boss. A disc-shaped lower template is disposed at an upper plane of...

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Bibliographische Detailangaben
1. Verfasser: JIN YONGYI
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The utility model discloses a tri-folding die of a pressure tank opening, comprising a lower die support, a lower template, a tank body inner lining die, a guiding hole, an upper template, a straight edge pressing die and a guiding boss. A disc-shaped lower template is disposed at an upper plane of the lower die support. The upper plane of the lower template is provided with the cylindrical tank body inner lining die. The upper plane of the tank body is provided with the guiding hole. The size of the guiding hole is equal to that of the interior diameter of the pressure tank opening. The upper template is provided with the cylindrical straight edge pressing die. The lower plane of the straight edge pressing die is provided with the guiding boss which cooperates with the guiding hole. The central axis of the tank body inner lining die and the central axis of the straight edge pressing die superpose. The tri-folding die of a pressure tank opening is advantageous in that blank materials can be rapidly molded by