Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41F—PRINTING MACHINES OR PRESSES
  • B41F7/00—Rotary lithographic machines
  • B41F7/02—Rotary lithographic machines for offset printing
  • B41F7/12—Rotary lithographic machines for offset printing using two cylinders one of which serves two functions, e.g. as a transfer and impression cylinder in perfecting machines
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41F—PRINTING MACHINES OR PRESSES
  • B41F13/00—Common details of rotary presses or machines
  • B41F13/0024—Frames
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
  • B41P2217/00—Printing machines of special types or for particular purposes
  • B41P2217/10—Printing machines of special types or for particular purposes characterised by their constructional features

Definitions

• the invention relates to printing towers with at least two superimposed printing units and a method for operating such a printing tower according to the preamble of claim 1, 37 and 68, respectively.
• WO 2004/080718 A1 discloses a printing tower with at least two printing units arranged one above the other, which has at least one lifting platform for bringing operating personnel into different heights corresponding to the different, vertically arranged printing units.
• DE 198 33 468 A1 discloses a printing tower with two divisible frame halves. In the extended state of the printing tower is arranged between the frame halves a liftable and lowerable platform. Details of the location of the platform, especially when closed, no information is given.
• a printing tower with a plurality of superimposed printing units is known, wherein the printing units are mounted in side frames, which are displaceable relative to each other in a horizontal direction.
• the US 2004/0182271 A1 describes a printing machine with a movable between the side frames lift.
• the invention is based on the object, printing towers with at least two printing units arranged one above the other and a method for operating such a printing tower to accomplish.
• a printing tower with at least two printing units arranged one above the other and with at least one lifting platform for preferably bringing operators to different heights corresponding to the different highly arranged printing units therefore has at least two side frames which can be displaced relative to one another in a horizontal direction, each of which has at least two printing units or parts arranged one above the other
• record cylinder and / or transfer cylinder and / or inking and / or dampening of at least two superposed printing units and of which at least one side frame between a functional position in which the side frames are merged, and an open position in which they are spaced from each other, movable is, wherein one of the lifts between the two located in its open position side racks is arranged.
• the achievable with the present invention consist in particular that a particularly good accessibility of the parts of the printing units in the interior of the printing tower is possible by the distance variable side frames, making maintenance and inspection work is simple and clear feasible, being characterized by in the open position between the side frames arranged lift the maintenance and inspection work inside the printing tower can be performed ergonomically favorable.
• the lift results in a simple construction of the printing tower and the lift, especially since the lift does not need to be moved except the lifting movement.
• the lift remains sunk between the side frames, in particular in a simple manner, the rest position of the lift under the movable side frames (in particular at least under the lower transfer cylinder, advantageously below the lower transfer cylinder and lower forme cylinder).
• a protective device preferably a railing part to improve the personal protection between, preferably two relatively movable side frames.
• Figure 1 is a schematic representation of a printing tower with relative to each other in a horizontal direction adjustable side frames in a functional position in a side view, with a located in its open position between the two side racks arranged lifting platform.
• Fig. 2 is a simplified view of the printing tower of FIG. 1 that
• FIG. 3 shows the printing tower from FIG. 2 with the lifting platform in its lower rest position
• Fig. 4 is a perspective view of the printing tower of Fig. 3;
• FIG. 5 shows the printing tower from FIG. 3 with the lifting platform in a raised working position
• FIG. Fig. 6 is a perspective view of the printing tower of Fig. 5;
• Figure 7 is a schematic representation of a designed as Scherenhubtisch between the two located in its open position side racks lift in a side view.
• FIG. 8 shows the lifting platform from FIG. 7 in a perspective exploded view
• Fig. 9 is a schematic representation of a lift designed as between the two located in its open position side racks lift in a side view.
• a printing tower 01 shown in FIG. 1 consists, in a side view, essentially of two side frames 1 1 which can be displaced in a horizontal direction relative to each other in a horizontal direction; 12, which each have four superimposed printing units 03; 04 or parts thereof, such as forme cylinder 02; 14, in particular plate cylinder 02; 14, transfer cylinder 05; 06, dampening and / or inking units 07; 08 record.
• a side frame 12 is between a functional position, in which the side frames 1 1; 12 are merged, and an open position in which they are spaced apart, movable. In the open position, a walk-in space is formed between the two side frames.
• the printing tower 01 On both outer sides of the printing tower 01 is preferably in each case a lift 09; 10 for the transfer of operating personnel in different heights corresponding to the different highly arranged printing units 03; 04 provided.
• Another lifting platform 13 is provided, which between the two located in its open position side frames 1 1; 12 is arranged. With the lifts 09; 10; 13 is an optimal operation in ergonomic attitude possible, for example, for plate presentation and for maintenance and cleaning.
• the printing tower 01 is designed as a 4 or 8 printing tower and works according to an offset method.
• the superimposed printing units 03; 04 of the printing tower 01 are formed as double printing units 46, wherein the printing tower 01 by the distance variable side frames 1 1; 12 at least substantially in the plane of contact of the abutting transfer cylinder 05; 06 of the double printing units 46 is divisible.
• the printing tower 01 which is preferably provided for the newspaper printing, has four printing plates of wide design and is preferably designed as a 4/2 printing unit.
• the printing tower 01 can also be formed wide six printing plates, wherein it is preferably formed as a 6/2 printing unit. It is also conceivable that the printing tower is designed as a 4/1 or as a 5/2 printing unit.
• each side frame 1 1; 12 are several, preferably 4 printing units 03; 04 arranged one above the other.
• Each printing unit 03; 04 preferably has at least one forme cylinder 02; 14, a transfer cylinder 05; 06 and an inking unit 07; 08 on.
• a dampening unit can be provided in each case.
• Two horizontally opposite printing units 03; 04 form a double printing unit 46 and simultaneously print a web on both sides.
• FIGS. 2 to 5 wherein the printing tower 01 is shown simplified with lift 13 to the effect that Klarb 07; 08 and / or dampeners and plate 02; 14 and transfer cylinder 05; 06 of the printing units 03; 04 as well as the lifts 09; 10 are not shown on the two outer side of the printing tower 01.
• Fig. 2 are the two distance variable side frames 1 1; 12 in their functional position, so that the transfer cylinder 05; 06 of the printing units 03; 04 (Fig. 1) in a plane of contact, in particular with the interposition of a Substrate web, abut each other and / or can rest.
• FIGS. 3 to 6 are the two distance-adjustable side frames 1 1; 12 in its open position, so that the lifting platform 13 between the no longer abutting each other in the open position, but apart driven transfer cylinders 05; 06 of the printing units 03; 04 can be lifted from its rest position (FIGS. 3 and 4) into at least one working position of defined height (FIGS. 5 and 6).
• the two side frames 1 1; 12 are arranged on a foundation 35.
• the side frame 1 1 relative to the foundation 35 is fixed, and the side frame 12 formed opposite the base 35 movable.
• the lift 13 is lowered into a lower rest position in which the open side frames 1 1; 12 can be brought into their closed functional position.
• the lifting platform 13 is arranged in its lower rest position outside the range of movement of the movable side frame 12.
• the lifting platform 13 is arranged in its rest position so outside the range of movement of the movable side frame 12, that it is arranged below the movable side frame 12.
• the lifting platform 13 in its rest position preferably between the two opposite side frame parts 33; 34 of the movable side frame 12 may be arranged (Fig. 4).
• the lift 13 is in the lower rest position preferably below a lowermost printing unit 03; 04 arranged, in particular below a transfer cylinder 05; 06 and / or a forme cylinder 02; 14 of a lowermost printing unit 03; 04. Seen in the horizontal direction, the lift 13 is arranged stationary.
• the lift 13 and the printing unit 04 and / or the transfer cylinder 06 and / or the forme cylinder 14 are viewed in plan view, arranged in relation to a horizontal direction overlapping.
• FIG. 2 in which the two distance-adjustable side frames 1 1; 12 of the printing tower 01 are in their functional position, and in FIGS. 3 to 6, in which the two distance-adjustable side frames 1 1; 12 of the printing tower 01 in their Opening position are beyond at least one, preferably the lifting platform 13 associated z. B. on at least one side frame 1 1; 12 arranged protective device 15, z. B. terrain part 15 shown as a protective measure to protect the operating personnel, especially against danger of falling in the raised working position of the lift 13. It is at least one railing part 15 on two adjacent side frames 1 1; 12 held. A relative movement of the two adjacent side frames 1 1; 12 moves the at least one railing part 15 in its rest position (FIG. 2) or its functional position (FIGS. 3 to 6). In this case, the at least one railing part 15 by a relative movement of the two adjacent side frames 1 1; 12 movable from an at least substantially folded rest position into a contrast extended functional position.
• At least one, the accessible space between the two located in the open position side frames 1 1; 12 limiting protective device 15, which is designed in particular as a railing part 15 is arranged in the printing tower.
• the protective device 15 is the intermediate space in the longitudinal direction of a transfer cylinder 05; 06 arranged limiting.
• at least one protective device 15 is arranged on both sides of the intermediate space.
• Each railing part 15 comprises two pivotally connected pivoting parts 16; 17, one of which is pivotally mounted on one of the two side frames 11 and another on the other of the two side frames 12 (FIGS. 3 to 6).
• the pivoting parts 16; 17 are as rods 16; 17 trained.
• the two by the respective frame-side pivot axis of the pivot parts 16; 17 and the common pivot axis of the pivoting parts 16; 17 extending straight lines between them include a downwardly opening angle, which is smaller than 180 ° both in the rest position, as well as in the functional position of the railing member 15.
• number of printing units 03 arranged one above the other; 04 and number of raised working positions defined height of the lift 13 are between the side frames 1 1; 12 at least two railing parts 15 are provided, which are arranged one above the other.
• the height positions of the railing parts 15 are preferably assigned to the respective working position defined height.
• the lifting platform 13 has exactly one working position of defined height and that this raised working position is assigned two railing parts 15 arranged one above the other.
• the lift 13 may have at least one emergency stop button, which interrupts a vertical movement of the lift 13 and holds the lift 13 in its current position, regardless of whether it is a work or rest position, or at any position in between.
• An emergency stop button may be arranged on one or on all terrain parts 15 and / or on the lifting platform 13 itself.
• a, for example, circumferential safety edge may be mounted as a baseboard on the lifting platform 13 which, for example, in the event of a foot transgression, the movement of the lift 13 similar or just as the emergency stop button interrupts.
• a safety plate can be arranged on the underside of the lifting platform 13, which can be a lowering of the lifting platform 13 and a contact with an object located under the lifting platform 13, such as an object that could damage or jam the lifting platform 13, or a person. which injured by a further lowering of the lift 13 could be, the movement of the lift 13 similar or just as the emergency stop button interrupts.
• the lift 13 is formed as a scissor lift 13 shown in FIGS. 7 and 8.
• the scissor lift table 13 preferably comprises two scissors 18 articulated to each other; 19 or pair of scissors 18; 19.
• the scissor lift 13 further includes a lower frame 20 to which an arm 21 of a pair of scissors 19 and a pair of scissors 19 is pivotally mounted.
• the other arm 22 of the scissors 19 and the pair of scissors 19 is slidably guided on the lower frame 20.
• the other arm 22 of the pair of scissors 19 and of the pairs of scissors 19 preferably carries rollers 23.
• the scissor-type lifting table 13 also comprises an upper frame 24 on which an arm 25 of a pair of scissors 18 and of a pair of scissors 18 is pivotally mounted.
• the other arm 26 of the pair of scissors 18 and of the pair of scissors 18 is displaceably guided on the upper frame 24.
• the other arm 26 of the pair of scissors 18 and of the pairs of scissors 18 preferably carries rollers 28.
• the upper frame 24 also carries a table top 27.
• a cylinder 29 is provided.
• the cylinder 29 is preferably designed as a lifting cylinder 29.
• the cylinder 29 is preferably between two articulated arms 22; 26 of the scissors 19 and 18 and pairs of scissors 19 and 18 existing scissor assembly 30 of the scissor lift 13 is arranged acting.
• the cylinder 29 between two articulated arms 22; 26 two different scissors 19; 18 or pairs of scissors 19; 18 of the scissor assembly 30 acting arranged.
• the cylinder 29 between two articulated arms 21; 22 and 25, respectively; 26 of a pair of scissors 19 and 18 and a pair of scissors 19 and 18 of the scissor assembly 30 is arranged acting.
• a single cylinder 29 is provided, which is centrally located between the Pair of scissors 18; 19 of the scissor assembly 30 is arranged.
• the cylinder 29 is pivotally mounted on at least one of its ends on a pivot lever 31.
• the cylinder 29 is preferably pivotally mounted with its one end to a lower scissors 19 wherein the piston 32 of the cylinder 29 is pivotally mounted at its opposite end to an upper scissors 18.
• the end of the piston 32 is preferably mounted on the pivot lever 31, which in turn is pivotally mounted on the upper scissors 18.
• the at least one cylinder 29 is preferably designed as a hydraulic cylinder 29.
• lifts 09; 10 may be designed as Scherenhubischen.
• Both arranged on the outer sides of the printing tower 01 lifts 09 and 10, as well as between the two located in its open position side frames 1 1; 12 of the printing tower 01 arranged lifting platform 13 may instead of a scissor lift, for example, as shown in Fig. 9, on a guide rail 39 or between a plurality of guide rails
• the elevator 36 has a platform 40, which is movably guided in the vertical direction by means of rollers 41 engaging in one or more vertical guide rails 39.
• rack drive a pinion 37 engages a drive motor in a rack 38 and generates upon actuation of the drive motor, a linear relative movement between the rack 38 and drive motor.
• Any other suitable linear drive such as a hydraulic cylinder, like a die platform
• a rack 38 can assume the function of a guide rail 39 or vice versa.
• the at least one guide rail 39 or the at least one rack 38 is preferably arranged on the stationary side frame 1 1.
• At the movable side frame 12 is preferably no guide rail 39 or a rack 38 is arranged.
• a railing 42 provided, for example, for use of the elevator 36 as one of the lifting platforms 09 or 10 arranged on the outer sides is provided as a protective measure against falling down.
• the elevator 36 may have at least one emergency stop button 45 which, upon actuation, interrupts vertical movement of the elevator 36 and maintains the elevator 36 in its current position, whether it be a working or rest position, or around any position in between.
• An emergency stop button 45 may be attached to the railing 42, or in an embodiment without railing 42, preferably for use with the elevator 36 as between the two side racks 1 1; 12 arranged lift 13, be arranged on one or on all terrain parts 15 and / or on the elevator 36 itself.
• a safety plate 44 may be arranged on the underside of the elevator 36, which may be a lowering of the elevator 36 and a contact with an object under the elevator 36, such as an object that could damage or jam the elevator 36, or a person that could be injured by further lowering the elevator 36, the movement of the elevator 36 similar or just as the emergency stop button 45 interrupts.

Priority Applications (1)

Applications Claiming Priority (3)

Related Child Applications (1)

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Family

ID=40383948

Family Applications (2)

Family Applications After (1)

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• 2007
  • 2007-10-31 DE DE102007000604.9A patent/DE102007000604B4/de active Active
• 2008
  • 2008-08-08 CN CN200880017673A patent/CN101678669A/zh active Pending
  • 2008-08-08 EP EP08787049A patent/EP2195163A2/de not_active Withdrawn
  • 2008-08-08 EP EP10157544A patent/EP2213453A3/de not_active Withdrawn
  • 2008-08-08 US US12/451,709 patent/US20100107910A1/en not_active Abandoned
  • 2008-08-08 WO PCT/EP2008/060456 patent/WO2009043628A2/de active Application Filing

Non-Patent Citations (1)

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