摘要:
To eliminate a separate cleaning roller to clean a forme cylinder and in application roller in a printing machine system, and utilize existing rollers of the damping system to apply cleaning fluid, a support lever (8, 26) axially journals and retains a damping liquid application roller (1) and a damping liquid transport roller (2); a pivot lever (11) is pivotably coupled to the supply lever (8, 26), and a guide arrangement is provided, for example formed by a link system (14, 15, 16) or a cam track and cam control element (27, 28) to control movement of the support lever under control of an operating element, such as a solenoid or a piston-cylinder arrangement (13). Movement of the support lever is controlled by the guide means between a first position a first position, in which the damping liquid application roller is engaged on the forme cylinder (4) and the damping liquid transport roller (2) is in surface engagement with the damping liquid application roller and the liquid supply roller and a second position, in which the damping liquid application roller is in liquid transfer contact with the cleaning fluid supply means (18) and the transport roller (2) is in engagement with the ink application roller (5).
摘要:
Ink is removed from the screen utilized in a silk screen printing process by positioning a cleaning head having first and second orifices over the screen. A vacuum is drawn at one of the orifices of the cleaning head and causes the cleaning solvent to be withdrawn from the other orifice across the cleaning head in contact with the screen, thus causing ink particles to be removed from the screen and transported in the solvent to a depository.
摘要:
The present invention discloses apparatus for cleaning a variety of objects, such as printing plates or dies, having thereon foreign deposits, with a cleaning fluid. The equipment includes a chamber within which the member to be cleaned is supported and sequentially sprayed with cleaning fluid under controlled pressure and any remaining foreign deposits removed by a rinsing fluid. The fluids are supplied by nozzles either mounted in fixed spaced relation to the supported member or manually controlled by a spray gun for directing the fluid. Apparatus for continually supplying the cleaning and rinsing fluids through the nozzles is provided with a complete system which automatically controls the relationship of the temperature, pressure, supply, recirculating and other automatically inter-related operations of the system. The cleaning fluid may also be energized with sonic energy waves to further enhance its cleaning effectiveness.