DE1761899C2 - Bracket for the turning bars in printing machines - Google Patents

Description

continuous wedge 17. Above and below the cross member 8, each holder 7 has a plate 16, in which is a cross groove 21, the legs of which are at an angle of 45 ° to the cross member 8. In this groove fits a wedge 20 of a plate-shaped receptacle 18 which has screws 19 at the end of each Turning bar 6 is flanged. A clamping screw 9 can be clamped in the center of the cross groove 21, which is guided through the receptacle 18 with the turning bar end. Fig. 3 makes the repositioning or swiveling the turning bar by 90 °.

The turning bars 6 are individually displaceable laterally to the direction of web travel, as is the case with a format changeover from Z. B. six to five strands may be required. This is served by the shafts 10, which are coupled to one another via spur gears 11, 12 and can be driven together via the pair of bevel gears 13 are. If a certain turning bar is to be moved, the associated clutch 14 is engaged, and the threaded adjustment sleeve 15 rotates with the shaft 10 with and moves the relevant turning bar 6 via the bearing holder 7. The number of shafts 10 is determined according to the number of turning bars to be moved. Fig. 6 shows schematically a side view of the

ίο Turning bar structure in which there are printing units on both sides of the folder that feed a web from the right and left. The web is cut into individual strands between the knives 22 and the knife rollers 23. The different ways of strand guidance according to the respective
indicates.

Print image schemes are given here.

For this purpose 3 sheets of drawings

Claims (2)

1 2 which in their fixed angle of 90 ° to each other freely claims: are held cantilevered by a console located between the cylinders. Here there is no 1. Bracket for adapting to various easy repositioning of the turning bars, dene print programs switchable by 90 ° 5 According to one of the turning bars preferred by the invention on traverses in printing machines, design are cross inclined at 45 ° to the traverse characterized in that the turning grooves in rods above and / or below the traverse (6) are arranged and cantilevered only at one end on provided plates of the holder one on a traverse (8) via a guide, a wedge is used to accommodate the turning bar (17) slidable, for two only by 45 ° to the n> insertion in a groove of the cross groove, their joint traverse (8) Inclined cantilever positions included by a clamping screw in the direction of the intersection Holders (7) are held. point of the cross groove takes place. This embodiment 2. Holder according to claim 1, characterized in the invention has the advantage of being simple and cheap too due to the arrangement of 45 ° to the cross member (8) and a particularly compact design inclined cross grooves (21) in above and / or 15 offer. plates provided underneath the traverse (8). (16) the holder (7) and a wedge (20) a change of the holder is not even completely dissolved Recording (18) of the turning bar (6) to become one, but a loosening of the clamps is sufficient into the cross groove and screw it together so far that the wedge comes out of the cross groove can be lifted by a clamping screw (9) in the center 20, whereupon the recording with the center of the cross groove. Turning bar by 90 ° around the clamping screw ge is panning. In the new position, it is then locked into place in the other legs the cross groove and the attachment by the same 25 clamping screw. The arrangement of a plate with each Cross groove above and below the traverse to The invention relates to a holder for receiving turning bars which facilitates the fitting to different pressure precursors around 90 ° avoidance of collisions of turning bars Turning bars on traverses in pushing one another as well as from the strip of the web strands on one machine. Turning bars are used to redirect the 30 others. printed web of paper or other material A preferred embodiment of the invention 90 ° and are at an angle of 45 to the running ^Q shown in the drawing. It shows the direction of the path arranged: F i g. 1 is a plan view of the left half of a The previously known holder of the turning bars. takes place at both ends on a traverse each. 35 FIG. 2 shows a side view of FIG. 1 at AA, for the purpose of adapting to different printing programs F i g. 3 the holder of a turning bar in top they can be changed by 90 ° by looking at both Traverses two recordings for the respective holding F i g. 4 is an elevation of FIG. 3, are provided. The reversing Fig. 5 must have a cross-section of Fig. 4 at BB, bars for turning; the web on an opposite 40 Fig. 6 a paper flow diagram for two turning bars Side unscrewed and offset by 90 ° in rows in side view. the other two recordings screwed tight again between the side frames 1 of the printing machine will. When several web strands are fed in, the paper web 3, which in the example is the Pig. I. requires this double need for receiving points at 4 is cut into individual strands 5 of which an extensive structure that requires a lot of space 45 four of the eight strands are shown. For each and is expensive. The changeover in the track direction single strand 5 is provided a turning bar 6, which changing is time-consuming and cumbersome. This applies at an angle of 45 ° to the direction of travel of web 3 are also arranged for the introduction of the web strands when introducing or the individual strands 5. You turn set up production, e.g. B. for the inlet of the strands by 90 °. The then one on top of the other web strands in the folder of the rotary printing 5 ° the single strands 5 are over the folder machine. The often heavy turning bars feed guide rollers that are not shown. In the gedie hands-free manipulation in the close turn-around example shown will be four strands to the left and Bar chair for the staff difficult and laborious. four strands to the right. Should all strands In order to remedy these shortcomings, the invention has to be guided in one direction, the turning the The task is to improve the bracket in such a way that rods are placed parallel to one another, like that Sern that it is easy to rebuild and the railway is indicated by dashed lines at 6 '. Depending on the pressure strands can be easily introduced. image schema can be any other This is achieved according to the invention in that positions are desired, for. B. three strands after the turning bars only fly at one end on the left and four strands to the right at one bottom the web is distributed into seven individual strands on a traverse via a guide; here will slidable, for two only at 45 ° to the traverse, then a turning bar laterally shut down. In the leg Holders set up in the cantilevered positions are shown in FIG. 1 is the length of the individual turning hooks are. rods designed so that instead of eight there are also four strands It is known that a double-width can be turned for the purpose of drying or cooling: Paper web their guidance over on the same axis 65 For each turning bar 6 a holder 7 is in front of one another seated cylinder and see the transfer, which is on a traverse 8, the storage of which is not from which one is drawn to the cylinder sitting next to it, is slidably mounted under Sicheüber Turning bars arranged at an angle to one another, protection against twisting by one on the traverse 8