Fluid distributor apparatus and punching method
AssigneeEuromac S.p.A.
InventorGiorgio Ostini
Life of this patent
Estimating the term…
Abstract
A fluid distributor apparatus includes a body having distribution ports; a spool adapted for controlling the distribution ports and mounted slidingly in a first sliding seat obtained in the body and communicating with the distribution ports; a copying-member mounted slidingly and sealed in a second seat obtained in the spool; and a supply system for a controlled supply of the fluid to the second seat, so that the copying-member slides in a controlled way. The supply system includes also a chamber containing the fluid and communicating with said the seat, and a pushing device of the fluid mounted slidingly and sealed in the chamber.
Claims15
A fluid distributor apparatus comprising:
- a body having distribution ports;
- a spool adapted for controlling said distribution ports and mounted sliding in a first sliding seat obtained in said body, said first sliding seat communicating with said distribution ports;
- a copying-member mounted sliding and sealed in a second seat obtained in said spool;
- supply means for a controlled supply of said fluid to said second seat such to provide a controlled sliding of said copying-member, said supply means comprising:
- chamber means containing said fluid and communicating with said second seat;
- and
- pushing means of said fluid mounted sliding and sealed in said chamber means,
- wherein said pushing means are driven with reciprocating driving means,
- wherein said driving means comprise cam means adapted to be engaged with said pushing means, and rotary driving means of said cam means,
- wherein said cam means define a pushing profile, adapted for contact with said pushing means,
- wherein said pushing means comprise a pushing piston, and
- wherein a rolling element is placed between said pushing piston and said pushing profile, said rolling element being free to rotate around a rotation pin supported at one end of said pushing piston facing said cam means.
A fluid distributor apparatus comprising:
- a body having distribution ports;
- a spool adapted for controlling said distribution ports and mounted sliding in a first sliding seat obtained in said body, said first sliding seat communicating with said distribution ports;
- a copying-member mounted sliding and sealed in a second seat obtained in said spool;
- supply means for a controlled supply of said fluid to said second seat such to provide a controlled sliding of said copying-member, said supply means comprising:
- chamber means containing said fluid and communicating with said second seat;
- and
- pushing means of said fluid mounted sliding and sealed in said chamber means,
- wherein said first sliding seat is connected with pumping means adapted for pumping said fluid toward a user device,
- wherein said user device comprises a punching cylinder of a punching machine,
- wherein said punching cylinder comprises a piston sliding within a liner and a stem having an outer end opposite said piston, said outer end extending from said piston to the outside of said liner, said outer end being equipped with one or more of detecting or storing means for detecting movements of said piston in a moving direction or for storing pre-selected stroke values of said piston, and
- wherein a second connection valve is placed between said pumping means and said punching cylinder, said second connection valve connecting or disconnecting a first semi-chamber of said liner containing said stem with drain/recovery means of said fluid.
Dependencies are inferred from the claim text.