Notching apparatus and method of electrode substrate
AssigneeLG Energy Solution, Ltd.
InventorChang Bum Ahn
Life of this patent
Estimating the term…
Abstract
A notching apparatus and method for an electrode substrate can improve the conventional problem of contamination of an electrode current collector by forming a punching oil supply hole in a punch and applying the punching oil to a wall surface of the punch through the punching oil supply hole, and can also discharge foreign objects generated when punching an electrode through the hole formed in the punch. The notching apparatus for the electrode substrate includes a die member on which the electrode substrate is disposed; and a punch member provided to be spaced above the die member and provided with a punch that moves up and down toward the die member. A wall surface of the punch is provided with one or more punching oil supply holes for applying the punching oil to an outer surface of the punch.
Claims10
A notching apparatus for an electrode substrate, comprising:
- a die member on which the electrode substrate is configured to be disposed;
- and
- a punch member spaced apart from the die member along a vertical dimension, the punch member including a punch configured to move along the vertical dimension with respect to the die member,
- wherein a first wall surface of the punch is provided with a first punching oil supply hole configured to apply a punching oil to a first outer surface of the punch or a first inner surface of the punch,
- wherein the first wall surface of the punch is further provided with a first air blow and foreign object suction hole,
- wherein each of the first punching oil supply hole and the first air blow and foreign object suction hole extend from the first inner surface of the punch to the first outer surface of the punch, and
- wherein the first punching oil supply hole and the first air blow and foreign object suction hole are configured to be disposed opposite to a first inner surface of the die member when the punch is received therein.
A notching method for an electrode substrate, comprising:
- (a) supplying a punching oil through a first punching oil supply hole provided on a first wall surface of a punch of a punch member, and applying the punching oil to a first outer surface of a punch;
- and
- (b) moving the punch member in a vertical dimension towards a die member surface on which the electrode substrate is disposed, and notching the electrode substrate with the punch having the punching oil applied to the first outer surface,
- wherein at a same time as the notching, the first wall surface of the punch is further provided with a first air blow and foreign object suction hole to blow air, so as to form an air layer between the die member and the punch member.
Dependencies are inferred from the claim text.