DE1047793B - Schoen and verso sheet-fed rotary printing machine - Google Patents

Description

GERMAN

The present invention relates to a fine and reverse printing sheet-fed rotary printing machine which the central planes of the two inking units are arranged approximately at right angles to each other as well as inking units, Printing units, chain boom and delivery table are stored in a common frame.

For straight and perfecting rotary printing machines that work off the roll it is known to arrange the central planes of the two inking units approximately at right angles to one another. It was but less attention is paid to the fact that the work is essential due to good accessibility to the printing and inking units facilitated and the quality can be improved. When it comes to sheet-fed rotary printing presses to these demands an increased importance, so that here as large a part of the scope of Printing and plate cylinders should be freely accessible for changing the printing formes and preparing the pressure cylinder and changes in the elevator can be made quickly. In addition, however, the ao Dimensions, despite the use of vibratory feeders and cantilever chains, remain small. this could not be implemented in the known designs so far because the two printing units were not appropriately arranged to each other, so that either the accessibility to the inking units or printing units are obstructed or the machine has become undesirably long.

These disadvantages can be found in a perfecting sheet-fed rotary printing press, in which the central planes of the two inking units are arranged approximately at right angles to each other, as well as inking units, Printing units, chain boom and delivery table are stored in a common frame, according to the invention be avoided in that the central planes arranged between the inking units Printing units are arranged in the form of an upright V, with their intersection with the axis of the plate cylinder of the straight printing unit coincides, and the axes of the impression cylinder around are offset in height by half the cylinder diameter. The reverse printing inking unit is expediently in this case with its center plane arranged approximately horizontally in the direction of the boom and the chain boom provided with the delivery table immediately below the same.

An exemplary embodiment of the invention is shown schematically in the drawing.

The perfecting sheet-fed rotary printing machine according to the invention consists of a feeder 1, in which the feed pile 2 is housed in a known manner. The sheet to be printed is from the feed pile over a feed table 3 and a vibrating system not shown Nice and. Widerdruek sheet-fed rotary printing machine

Applicant:

Machinenf abrik

Augsburg-Nuremberg A. G.,

Augsburg 2, Stadtbachstr. 7th

Paul Dietrich, Augsburg,
has been named as the inventor

Printing unit of the actual printing machine 4 is conveyed. According to the invention are perfecting and reverse printing arranged in planes at right angles to one another in the frame of the printing machine 4. That Straight printing unit, which consists of the inking unit 5, the plate cylinder 6 and the impression cylinder 7, extends primarily in a vertical plane, while the immediately adjacent Reverse printing unit, consisting of inking unit 8, plate cylinder 9 and impression cylinder 10, arranged horizontally is. The sheet 11 takes the path indicated by dash-dotted lines through the two printing units and is driven by the chain boom 12 located directly below the perfecting inking unit removed after printing on both sides and transported to the delivery table 13. The arrangement shown enables the use of a simple chain boom with only two gripper bars. aside from that the large pile can be conveniently accommodated directly on the machine. The drive of the printing machine takes place by a motor 14, while the brake suction air for the boom by a compressor 15 is generated with its own electric motor. Without compromising the accessibility to the plate cylinders, a wiper mechanism 16 is provided below the printing cylinder 10, with which from the straight printing to the Ink residues applied to the printing cylinder 10 are removed. To lay out the arches, the mentioned chain boom in a known manner, a suction roll 17 is used, which is connected to the compressor 15 is connected, while the blowing and suction air for the investor is generated by its own compressor 18 will.

Claims (2)

Patent claims: 1. Perfecting sheet-fed rotary printing machine, at which the median planes of the two 309 727.4 ι U4 / Inking units arranged approximately at right angles to each other as well as inking units, printing units, The chain boom and the table are stored in a common frame, characterized in that that the central planes of the printing units arranged between the inking units (9, 10 and 6, 7) are arranged in the form of an upright V, the line of intersection with the axis of the Plate cylinder (6) of the straight printing unit coincides and the axes of the impression cylinder (7,10) are offset in height by half the cylinder diameter. 2. Perfecting and reverse printing sheet-fed rotary printing machine according to claim 1, characterized in that the reverse printing inking unit (8) is arranged with its central plane approximately horizontally in the direction of the boom and the chain boom (12) with the delivery table (13) directly maintenance) of the same is provided. S.Schön-undWiderdruck sheet-fed rotary printing machine according to Claim 1, characterized in that that below the printing cylinder (10) of the perfecting unit (9,10) a wiper mechanism (16) is arranged in the frame (4). Considered publications:
ίο German patent specifications No. 598 854, 400 768,
250, 335 110, 305 791; French Patent No. 368 202;
Literature: "Typesetting, printing, binding and related things" by Otto Krüger, 5th edition, Brockhaus-Verlag, Wiesbaden, 1948, fig. 13, p. 21; German patent application Sch 6916 XII / 15 d (known on August 20, 1953). 1 sheet of drawings