Rotary cutting die for cutting corrugated board having an insert for supporting a product ejector adjacent a cutting or scoring rule

摘要

A rotary cutting die for cutting corrugated board includes a die board having an opening therein. Extending through the opening is a cutting or scoring rule. Secured within the opening is one or more inserts that support one or more product ejectors for assisting in separating a die cut product from the cutting die.

主权项

1. A rotary cutting die adapted to be mounted on a rotary die cylinder for cutting and scoring corrugated board fed into a nip disposed between the cylinder and a rotating anvil to produce a die cut product, the rotary cutting die comprising:
a curved die board configured to be mounted to the die cylinder; an opening formed in the die board; one or more ribs anchored to the die board and extending across the opening in the die board; a scoring or cutting rule supported by the rib and extending across the opening for scoring or cutting corrugated board fed into the nip; one or more inserts secured to the die board and disposed in the opening, the insert including a bottom and a sidewall; and one or more product ejectors secured to the insert and projecting therefrom, and in a no-load condition projecting past the scoring or cutting rule supported on the rib for assisting in separating the die cut product from the cutting die.