Notching apparatus and method for secondary battery
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United States of America Patent
Stats
-
Nov 23, 2021
Grant Date -
Mar 25, 2021
app pub date -
Apr 1, 2019
filing date -
May 31, 2018
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Discussed is a notching apparatus for a secondary battery that includes: a lower mechanism comprising a die and a die holder to which the die is fixed, the die engaging an electrode provided with a coating portion and a non-coating portion; a stripper including a first stripper pressing the coating portion and a pair of second strippers pressing and fixing the non-coating portion; an upper mechanism including a punch provided between the pair of second strippers and provided with a cutting blade cutting the non-coating portion disposed between the pair of second strippers and a punch holder allowing the punch to move in a direction of the lower mechanism; and a pressing member pressing the non-coating portion disposed between the pair of second strippers to increase in tension force when the non-coating portion is cut by the punch.
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