Manufacturing Apparatus for Battery Case Capable of Mounting Electrode Assembly of High Capacity Therein
The present invention provides an apparatus for manufacturing a battery case for a secondary battery, which comprises: a fixing jig having an opening formed in a shape corresponding to the receiving portion on the plane and configured to closely fix the upper surface and the lower surface of a sheet...
Gespeichert in:
Hauptverfasser: | , , , , , |
---|---|
Format: | Patent |
Sprache: | eng ; kor |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | The present invention provides an apparatus for manufacturing a battery case for a secondary battery, which comprises: a fixing jig having an opening formed in a shape corresponding to the receiving portion on the plane and configured to closely fix the upper surface and the lower surface of a sheet along an outer periphery of the sheet; and a punch for pressing the sheet downward through the opening to form the receiving portion in a state in which the sheet is fixed by the fixing jig, wherein the punch has an elongation expanding part having a relatively low surface friction coefficient on at least one surface in close contact with the sheet to prevent cracks from being generated due to frictional force with respect to the sheet upon downward pressurization.
본 발명은 평면상으로 수납부에 대응하는 형상의 개구가 형성되어 있고, 시트의 외주변을 따라 시트의 상면과 하면을 밀착 고정하도록 구성되어 있는 고정 지그; 및 상기 고정 지그로 시트가 고정되어 있는 상태에서, 상기 개구를 통해 시트를 하향 가압하여 수납부를 형성하는 펀치;를 포함하고 있고, 상기 펀치는, 하향 가압시 시트에 대한 마찰력으로 인한 크랙(crack)의 발생을 방지하도록, 표면마찰계수가 상대적으로 낮은 연신 확장부가 시트와 밀착되는 적어도 일면 상에 형성되어 있는 이차전지용 전지케이스의 제조 장치를 제공한다. |
---|