Trough-form fine blanking device
OwnerCheng-Ping Wanginventor
Life of this patent
Estimating the term…
Abstract
A fine blanking device characterized by a trough structure is provided. Preferably, the fine blanking device comprises a punch, a mother die module having a first die cavity allowing the punch to enter therein, and a blank-holder module having a second die cavity allowing the punch to enter therein; wherein one or more trough structures are formed on/individually formed on the mother die module or/and the blank-holder module, wherein the trough structure is formed, surrounding the first die cavity, on the mother die module at a sheet stock contacting side thereof; or/and the trough structure is formed, surrounding the second die cavity, on the blank-holder module at a sheet stock contacting side thereof.
Claims18
A fine blanking device for blanking a sheet stock, comprising a punch, a mother die module having a first die cavity, and a blank-holder module having a second die cavity, both the first and second die cavities allowing the punch to enter therein, the fine blanking device being characterized in that a trough structure is formed on the mother die module and/or the blank-holder module, wherein the trough structure is formed, surrounding the first die cavity, on the mother die module at a sheet stock contacting side thereof;
- and/or the trough structure is formed, surrounding the second die cavity, on the blank-holder module at a sheet stock contacting side thereof.
A fine blanking device for blanking a sheet stock, comprising:
- a punch;
- a mother die module having a first die cavity allowing the punch to enter therein;
- and
- a blank-holder module having a second die cavity allowing the punch to enter therein;
- wherein one or more trough structures are formed on/individually formed on the mother die module or/and the blank-holder module, wherein the trough structure is formed, surrounding the first die cavity, on the mother die module at a sheet stock contacting side thereof;
- or/and the trough structure is formed, surrounding the second die cavity, on the blank-holder module at a sheet stock contacting side thereof.
Dependencies are inferred from the claim text.