SHEET PROCESSING MACHINE WITH GAS AND/OR VACUUM DISTRIBUTION DEVICE AND CONTROL METHOD OF GAS AND/OR VACUUM DISTRIBUTION DEVICE Russian patent published in 2020 - IPC F16K31/124 B65H3/08 

FIELD: oil, gas and coke-chemical industries.

SUBSTANCE: device (1) for distribution of gas and/or vacuum comprises controlled pilot valve (4; 40), fixed housing (5) containing main gas feed (7) intended for connection with gas or vacuum source, main gas outlet (8) intended for connection with cup suction cup and/or with nozzle, first and second control gas holes (10, 11). Control gas holes (10, 11) are connected to controlled pilot valve (4; 40). Housing (9) comprises first chamber (9a) communicating with main gas feed (7) and gas outlet (8). Second chamber (9b) is interconnected with the first and second holes (10, 11) of control gas. Movable piston (6) is installed axially movably in housing (9) under action of control gas or vacuum supplied to second chamber (9b) through holes (10, 11) of control gas, which are connected to controlled pilot valve (4; 40). Movable piston (6) is movable between closed position, in which movable piston (6) blocks gas path (16) between main gas feed (7) and gas outlet (8) in first chamber (9a), and open position, in which movable piston (6) releases gas path (16). First and second chambers (9a, 9b) are isolated from each other. Invention also relates to method of controlling device (1), allows machine to operate at high speed, longer service life of machine.

EFFECT: invention relates to a sheet processing machine comprising a device for distributing gas and/or vacuum.

18 cl, 10 dwg