Printing machine by intaglio engraving
View Patent ↗The invention relates to a printing machine by intaglio engraving comprising a rack ( 01; 11; 14 ) with a stationary part ( 01 ) and a moving part ( 11; 14 ). A plate cylinder ( 07 ) is rotationally mounted inside the stationary part, and an Orlof-type cylinder ( 12 ) is mounted inside the moving part. The moving part is mounted on a rail ( 04 ) in a suspended manner.
1. An intaglio printing machine comprising a rack in which there are rotatably mounted an Orlof-type cylinder, a plate cylinder and at least one gravure cylinder, the rack comprising a stationary part, which bears the plate cylinder, and a first suspended moving part that can be moved with respect to said stationary part, and which bears the Orlof cylinder and at least one gravure cylinder, and a second suspended moving part that can be moved with respect to the stationary part and said first suspended moving part, which bears an inking unit for each gravure cylinder borne by said first suspended moving part, the first suspended moving part and the second suspended moving part being suspended from a rail located above said first and second suspended moving parts.
2. The intaglio printing machine as claimed in claim 1 , wherein during operation of the intaglio printing machine said parts of the rack are arrested.
3. The intaglio printing machine as claimed in claim 1 , wherein the stationary part and an upright support the rail and wherein in a maintenance position the second moving part is arranged at a slight distance from the upright.
4. The intaglio printing machine as claimed in claim 1 , wherein at least one dedicated actuator is assigned to each moving part.
5. The intaglio printing machine as claimed in claim 1 , wherein the first part moves and the second part is stationary.
6. The intalgio printing machine as claimed in claim 4 , wherein the dedicated actuator is an electric motor.
7. The intalgio printing machine as claimed in claim 4 , wherein the dedicated actuator is a pressure-activated working cylinder.
8. The intaglio printing machine as claimed in claim 4 , wherein two actuators that are synchronized with one another are provided to move said first and second moving parts.
9. The intaglio printing machine as claimed in claim 1 , wherein said Orlof cylinder, said first moving part and said rail are arranged in such a manner that a rotation axis of said Orlof cylinder is located vertically below said rail when said first moving part is in operating contact with the stationary part.