EP1787813A2 - Dispositif de répartition de bloc d'impression dans une presse rotative - Google Patents

Dispositif de répartition de bloc d'impression dans une presse rotative Download PDF

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Publication number
EP1787813A2
EP1787813A2 EP06405483A EP06405483A EP1787813A2 EP 1787813 A2 EP1787813 A2 EP 1787813A2 EP 06405483 A EP06405483 A EP 06405483A EP 06405483 A EP06405483 A EP 06405483A EP 1787813 A2 EP1787813 A2 EP 1787813A2
Authority
EP
European Patent Office
Prior art keywords
printing
printing form
memory
identification device
storage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06405483A
Other languages
German (de)
English (en)
Other versions
EP1787813A3 (fr
Inventor
Wolfgang Dennstedt
Thomas Zehnder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wifag Maschinenfabrik AG
Original Assignee
Wifag Maschinenfabrik AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wifag Maschinenfabrik AG filed Critical Wifag Maschinenfabrik AG
Publication of EP1787813A2 publication Critical patent/EP1787813A2/fr
Publication of EP1787813A3 publication Critical patent/EP1787813A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1206—Feeding to or removing from the forme cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/50—Devices for storing printing plates

Definitions

  • the invention relates to a printing form allocation device of a rotary printing machine or web-fed rotary printing press, which makes it possible to determine immediately after inserting a printing form on a storage location, whether the printing form is on the right, its associated memory space.
  • the DE 103 14 340 B3 An apparatus for storing an elevator to be exchanged in a cylinder of a printing press is known.
  • the elevator for example a printing form
  • the elevator is stored in a shaft.
  • This shaft which is nothing more than a storage space of a printing block store, has at least one code reader arranged in the shaft, which identifies the elevator stored in the shaft on the basis of a feature attached thereto.
  • the read in information is compared with an occupancy plan, in case of discrepancies, a warning message is generated on the cylinder before the elevator is mounted.
  • the device of DE 103 14 340 B3 consequently has at least one code reader per storage space / slot.
  • the invention relates to a printing form allocation device for one or more forme cylinder of a rotary printing press with a printing form memory Memory spaces for printing plates to be applied to the forme cylinder.
  • Each of the memory locations has its own detector which is suitable for detecting the presence of a printing form in the printing form memory and outputting a corresponding detection signal when it is occupied.
  • the printing form allocation device has an identification device arranged outside the printing form memory, for example a bar code reader, a reading device for electronically encrypted data or a chip reading device for receiving, processing and storing information stored on the printing form, which are suitable for unambiguously assigning the respective printing form identify.
  • the form is printed by the machine operator, or by e.g. a printing form manipulator automatically stored in a memory location.
  • the detector of the now occupied memory sends the detection signal to the identification device.
  • the identification device can unambiguously determine whether the read-in printing form has been stored at the correct storage location.
  • the identification device stores an occupancy plan of the forme cylinder, or the identification device communicates with a device on which the occupancy plan is stored. This allocation plan reflects the desired occupancy of the forme cylinder and serves as the identification device for identifying deviations between the desired storage space and the actual storage space of each individual printing form.
  • the detection signals are sent to the identification means via lines or by radio or other suitable means of transmission, e.g. Glass fiber, fed.
  • the identification device comprises one or more sensors mounted in the vicinity of the printing form memory on the machine frame, or another suitable location, which only reads / read and passes on the information present on the printing form. Furthermore, the identification device comprises a connection between the sensor (s) and a central machine controller or components of the central machine control, which receive data via a line or by radio contact or in any other practicable manner the sensor can forward to the machine control. Finally, the identification device includes storage and processing elements, such as microprocessors, which are part of the machine control, in which both the occupancy of a next production is stored, and which are able to compare the predetermined memory usage with the data transmitted by the sensor and based on this Compare to decide to which memory the printing form, the data has just been submitted, is assigned.
  • storage and processing elements such as microprocessors, which are part of the machine control, in which both the occupancy of a next production is stored, and which are able to compare the predetermined memory usage with the data transmitted by the sensor and based on this Compare to decide to which memory the printing form, the data
  • the data processing device / s of the identification device / s instead of the central machine control of a printing unit or printing tower control is / are /, and the storage of the occupancy plan and the processing of the data is performed there in the form described above.
  • the data processing device is located outside the printing machine in, for example, a central computer for monitoring a plurality of printing presses.
  • the senor and the data processing device may form a structural unit, so that the information from the printing form and the detection signal from the detector of the memory location can be recorded independently of the central machine control, printing tower or printing unit control. and both information can be compared with the occupancy plan stored in the identification device.
  • An identification device or a sensor of an identification device can each be associated with a forme cylinder, a printing group with a plurality of forme cylinders, for example an H-bridge or a printing tower. It is preferred if an identification device is used in each case for two pressure points arranged one behind the other in relation to the machine direction.
  • the printing areas may be satellite printing units for one-sided printing of a printing material web with, for example, four forme cylinders, rubber-rubber printing units with, for example, 8 forme cylinders for double-sided printing of a printing material web, or any other arrangement.
  • the identification device is mounted on at least one of the working levels between two printing towers on the frame of the printing press, so that with an identification device all Form cylinder of the two printing towers can be operated. It is particularly preferred in this case if at least one, preferably each of the working levels from which the forme cylinders of the printing units can be reached, at least two sensors of identification devices in the immediate vicinity of the printing form memories are present, so that the operator when inserting the printing forms in the / the printing plate memory does not have to turn around and has only short paths and the spatial distance from the identification device to the / the forming cylinders is low.
  • a single identification device is provided for an entire rotary printing press.
  • each identification device When using multiple identification devices, e.g. one per pressure bridge, each identification device operates independently of all others. This means that the operating personnel can simultaneously read in printing forms at two or more identification devices and place them in the memory locations. At the same time, the incorrect assignment at one entry point does not stop the insertion at another location.
  • each one e.g. Printing unit are assigned, and a common data processing device is preferably only the sensor locked, in the effective range of a misregistration is detected, while on all other sensors reading of printing form data is still possible.
  • the identification device Only after the identification device has determined by a comparison of the data of the printing form and the detection signal of the memory space, the correct storage of the printing form, it is ready to receive the data of another printing form. That is, an identification device can at any time only monitor the correct or incorrect placement of a single printing form. Only when the correct placement of the printing form is confirmed, the identification device is able to record data of another form.
  • the sensible signal may be a visible or audible signal, or a visual and audible signal. Any other type of signal suitable for attracting the attention of the operator can also be used.
  • a visible signal e.g. Light emitting diodes, which are deflected on the operator facing side of each storage space. These light-emitting diodes show the operator the changing places required for the next production, i. the memory locations to be occupied by new printing forms, e.g. by a red light on. That only the contents of the memory locations that show a red light must be changed in advance of the next production. This change may mean changing the printing plate, reloading a previously empty storage space, or simply removing a printing form from a print storage location that is not needed for the upcoming production.
  • a visible signal e.g. Light emitting diodes, which are deflected on the operator facing side of each storage space. These light-emitting diodes show the operator the changing places required for the next production, i. the memory locations to be occupied by new printing forms, e.g. by a red light on. That only the contents of the memory locations that show a red light must be changed in advance of the next production.
  • a green light confirms the correspondence of the memory space occupancy with the occupancy schedule stored in the identification device and when occupying a storage space with a new printing form, i. Occupation of a previously empty space or in the context of a change, the filing of the printing form at its assigned storage space.
  • the LEDs are switched by signals of the identification device.
  • the locking device may be an integral part of the machine control, which in turn receives information from the identification device, but it may also be a simple control knob, the operator must operate deliberately when the last printing form is confirmed on their assigned storage space.
  • each printing form In order to receive the information of the printing forms, each printing form must be guided past the identification device before being placed in its storage space. This can be done manually by the operator, semi-automatically or automatically. In order to make the deposition of the printing plates in their storage locations as economical as possible, it makes sense if the identification device is as close as possible to the printing form memory. It is also conceivable that the identification means is a mobile device, e.g. held by the operator in the hand and guided to receive the information of the printing plates to these, for example, a portable bar code reader. For this case, an input option is provided on the identification device, by means of which the number or other characteristic of the currently to be loaded printing unit / printing tower can be entered. Alternatively, an encoded identification of the individual pressure accumulators is conceivable, which is recorded before the beginning of the occupancy by means of the identification device and the e.g. Activated in the identification device stored target occupancy of the read accumulator.
  • the detectors can be optical, mechatronic, or electrical detectors, but it can also be a Hall sensor for measuring a magnetic field, or a device that responds to the weight of the inserted printing form. It is preferred if the detectors are designed so that they can only distinguish between the states "memory space” and “memory occupied” and only the information "memory occupied” is reported by means of the detection signal to the identification device.
  • Non-contact optical detection is, for example, a light barrier, which detects the insertion of the printing form in the memory and generates and sends the corresponding detection signal.
  • mechantronische detectors can serve as levers, which are tilted when inserting a printing form in a storage space, thereby closing an electrical contact, which in turn generates the detection signal.
  • the detectors are two spaced, energized contacts which are closed by the insertion of the printing form.
  • the printing plate may consist entirely of conductive material, just as well in or on its cylinder-facing underside may have a thin strip of conductive material, which connects the contacts together and so closes the circuit. It is particularly preferred if only one of the two contacts of the memory space is energized, while the other contact serves as a neutral.
  • the inserted printing form generates a short circuit in this case and the short-circuit current generates the detection signal. If several memory locations for printing plates are present in a printing form memory, then it is particularly preferred if the neutral lines of all memory locations of the printing plate memory are connected to one another and form a single neutral conductor.
  • the detection signal may in this case be e.g. are formed by one green and one red LED per memory location, which are activated by the short-circuit current.
  • the red LED z lights up. B. on when the identification device determines that the wrong memory space has been occupied by a printing plate, the green LED shows z. Example, that the memory space is equipped with the correct printing form and the next printing form can be read at the identification device.
  • the correct placement of the special printing form in the printing form memory produces two, but preferably only one detection signal.
  • This / s detection signal / e are supplied to the identification device in the same manner as in the single memory space occupancy.
  • the identification device decides, on the basis of the data acquired from the panorama print form, for example, and the detection signals generated and supplied to the memory locations, whether the panorama printing form is located at its assigned position. Blocking of the further printing plate feed in case of incorrect allocation or confirmation of the correct filing and continuation of the printing plate feeding takes place as described above.
  • the printing presses in which the described printing form allocation device is used may be rotary printing presses, preferably with offset printing methods, or web-fed rotary printing presses.
  • the forme cylinders, to which the pressure accumulators are assigned can be single, double or multiple assignable in the circumferential direction, take one, two, four six or any other number of printing plates in the longitudinal direction.
  • the printing plates are carriers of information which are recorded, processed and stored via an identification device and which uniquely determine a printing form.
  • the printing form can be stored in a memory location.
  • a detection signal is generated by a detector present on the storage space and fed to the identification device. The latter can recognize, based on the stored data of the printing form, whether the desired storage space and the actual storage space of the printing form are identical. If this is the case, the identification device can record the data of the next printing form. If the preset memory space and the actual memory location do not match, a sensible signal is generated for the user. He then has to correct the error before he can continue the memory allocation process.
  • the release of the identification device for further reading in of printing form data can be carried out by the operator of the machine control panel after the incorrectly stored printing form has been removed from the printing space again, or automatically as soon as the incorrect allocation has been corrected. It may be necessary after the removal of the printing form to read the data from the wrong storage space removed printing form before inserting in their assigned storage space again in the identification device.
  • the invention also relates to a printing form memory as such.
  • the memory may in particular be provided with a register device, by means of which the printing plates with respect to the side register of the forme cylinder can be conveyed in register from the memory.
  • register strips form the register device.
  • the printing plates preferably have register recesses in the region of their bends into which the register strips engage when conveying the printing plates.
  • the register-accurate guide on the side edge requires a register-accurate blank of the respective printing form, while the printing plates are usually already provided at home in the roll rotation with at least one register recess in the Abbug, which is advantageously used for the register-containing leadership in the printing form memory according to the invention.
  • the register device preferably comprises per storage space for the new printing plates at least one guide tongue which projects beyond the front end of the support in the feed direction on the forme cylinder and is elastically bendable or pivotable.
  • the printing plates can be performed at their front ends directly to the forme cylinder register.
  • a guide tongue which is elastically bendable in itself is preferred over a guide tongue that is rigid in itself and can be pivoted against an otherwise generated spring force.
  • the guide tongues in the feed direction extend the mentioned register strips, i. H.
  • the register strips are so to speak elastically bendable or pivotable at their front free ends.
  • the new printing plates are only imaged on the form cylinder, can be dispensed with a register-containing leadership in the printing form memory.
  • the pads may further each be provided with a latching device which holds the respective printing forme in a latching relationship with respect to the feeding direction in the storage position and preferably further in a disengaged position in which the relevant printing forme is pressed into a clamping channel of the forme cylinder.
  • the latching device may in particular be formed on a register strip in order to form the latching connection with one of the two bends of the respective printing forme, preferably the rearward turn. In principle, it is also advantageous if the latching device creates only one of these two latching connections with the respective printing forme.
  • the one or two detachable latching connection (s) can or can basically also be replaced by a simple positive connection.
  • the conveyor is preferably designed so that it conveys the respective printing forme in the feed direction into a position, preferably a detent position, in which a front Abbug the printing forme is inserted into the clamping channel of the forme cylinder.
  • the conveying device comprises at least one, preferably exactly one conveying member, which acts as a pushing member in preferred embodiments.
  • the conveyor member pushes the relevant printing form in the feed direction, preferably by pushing the printing form in the feed direction.
  • a pure pressure contact is preferred for transmitting a force acting only in the feed direction.
  • the conveyor must therefore not take the relevant printing plate so first, as would be necessary when using, for example, suckers, but just as little as other types of conveyor links for use as a conveyor member or conveyor links should not be excluded from the outset.
  • the memory in preferred developments also includes a further, third edition for at least one used printing plate.
  • a forme cylinder with at least twice the circumference of the memory also includes at least a fourth edition for a over the circumference of the forme cylinder following the third printing form fourth printing form.
  • the memory preferably has as many supports for new printing forms as one above the other, as can be arranged one behind the other on the forme cylinder in the circumferential direction.
  • each of the supports is composed of individual supports corresponding to the number of juxtaposed printing plates.
  • the memory for the new printing plates and the memory for the used ones preferably form an integrated, unit-mounted memory. However, they can also be physically separate from each other, for example to be able to move one or the other to a working position if the space available in the printing unit requires it.
  • the conveyor has at least one, preferably only one conveying member, which pulls preferably as a tension member acting used printing form or several used printing plates to their storage position (s).
  • a tension member conveying member with the relevant printing form is only in a pure pressure contact, preferably against the Abbug the printing plate.
  • the conveyor member presses against the inside of the Abbugugs the feed direction, thus pulling the printing plate in the memory.
  • the rotational movement of the forme cylinder is utilized to promote the printing form in the memory, and the conveying member pulls the printing form only the last piece to the storage position.
  • the conveying member for the new printing plates and the conveying member for the used printing plate (s) are advantageously the same.
  • the conveyor member is reciprocable both in and against the feed direction and transversely to the feed direction.
  • the transverse mobility serves to select the storage position from which the conveyor member conveys the new printing plates in the feed direction and the used printing plates of the feed direction counter to the storage position.
  • the new printing plates together a first conveyor member and the used printing plates together also assign a further, second conveyor member.
  • each layer of printing forms can each have its own conveying member.
  • each separate conveying elements can be provided side by side for the printing forms arranged side by side.
  • a common conveyor member which extends over the entire, assignable with printing plates axial width of the forme cylinder. In particularly preferred embodiments, as already mentioned, this is the only delivery member of the store.
  • the conveying member or the conveying members can advantageously be moved against the feeding direction into a position, in which it is or is located behind the pads and the printing forms received in the memory so that it or is freely movable back and forth from structural parts of the memory. From this rear end position it is or they are movable in the feed direction and thus in overlap with the pads.
  • the conveyor member or possibly a plurality of conveyor members is or are preferably linearly movable in the feed direction and against the feed direction, advantageously by means of a spindle drive.
  • linear movements are more precise executable, especially when the respective linear movement is effected by means of spindle drive.
  • the supports comprise rollers on which or over which the printing plates are conveyed, the rollers without drive just rotatably mounted.
  • the conveyor is preferably described in such an embodiment.
  • the rollers can also be rotationally driven in order to convey even the respective printing forme.
  • a roller conveyor which itself forms the conveyor, it may be sufficient if only one of the rollers or only one of the roller pairs, which should be arranged on a front end of the cylinder facing the forme cylinder, is rotationally driven.
  • a belt conveyor forms the support along which the printing plates are conveyed on a conveyor belt in a resting position.
  • a memory cartridge which can be assembled and disassembled as a unit forms the reservoir for the new printing plates.
  • the same storage cartridge also takes up the used printing forms.
  • such a storage cassette only forms the storage for the new printing forms, while the storage for the used printing forms is a further storage cassette or accommodates the used printing forms in a built-in memory permanently mounted on the printing unit.
  • a bipartition has the advantage that the storage cassette for the new printing forms is easier than a storage cassette for all printing forms of the forme cylinder and therefore can be transported more easily by operating personnel or a robot.
  • the sequence of memory locations is basically arbitrary.
  • the memory has two upper memory locations for the used printing plates and two lower memory locations for the new printing plates relative to a horizontal alignment in the printing unit.
  • the memory locations for two new printing forms are arranged between the memory locations for two used printing forms.
  • the storage locations for new printing forms can be designed in the same way as the storage spaces for used printing forms, but they preferably differ.
  • the entire memory or at least a part of the memory can be moved in an advantageous development within the printing from a near the forme cylinder working position in a forme cylinder farther maintenance position in order to clear the pressure in the generally confined space for maintenance and repair work.
  • a special feature of a development of the printing form memory is the protection of the printing plates, especially the new printing forms, against movements as they pass through Vibrations can be caused. Vibrations can arise due to the machine operation in the printing unit or during transport of the memory, for example a memory cassette designed as a quick-mounting unit, and in particular cause the printing plates to move out of the defined memory positions.
  • the memory advantageously has a holding device.
  • the holding device is formed as a clamping device which holds the printing plates with a clamping force, on the one hand sufficiently large to prevent unwanted movements due to vibration, but on the other hand, the conveying activity of the conveyor at least not hindered to a practically relevant extent.
  • the pads form such a holding device, preferably clamping device.
  • the pads can be wavy shaped in the feed direction in the form of a transverse to each held printing form wave.
  • Each of the requirements for the new printing plates possibly also the requirements for the used printing plates, comprises in such an embodiment, two mutually facing contact surfaces which contact the held printing form on the two flat sides, wherein the contact between the printing plate and a wave crest of the respective contact surface consists.
  • the two contact surfaces are parallel to one another, but this is not absolutely necessary.
  • the amplitude or possibly different amplitudes of the shaft is chosen so that the held pressure form is slightly bent in order to generate just the clamping force required for holding.
  • the contact surfaces can also describe only a single arc, so that the respective printing forme is only correspondingly easily bent over its length measured in the circumferential direction of the forme cylinder.
  • the pads can also be bent or provided with a recess or otherwise formed only in a shorter length range, in order to bend the respectively held printing form a little and thereby hold with a slight clamping force.
  • the memory may be provided per support with at least one spring means which presses the respectively held pressure form due to their elastic force against the support and thereby generates the clamping force, or the spring means already forms the support.
  • the used printing plates While for the editions of the new Printing forms is a clamping device with arcuate or wavy course of the pads is preferred or a printing forms slightly bending alternative solution, it is preferred for the used printing plates, if the respective support is formed directly by a spring element or preferably a plurality of spring elements. Preferably, the used printing plates or possibly even a single used printing plate with its side facing away from the image side on such a support.
  • the printing form memory is preferably installed so that the printing plates are conveyed at least substantially horizontally in the memory and from the memory.
  • the printing plate storage is inclined or even perpendicular to the promotion to the forme cylinder. In this case, it may be necessary to rotate individual of the forme cylinder in the opposite direction to the printing direction when applying the printing plates.
  • the supports in particular the supports for the new printing forms, preferably contact the printing forms only at their side edges outside the type area.
  • the printing form memory has side guides which guide the printing plates in addition to the respective register device or optionally alone as a register device acting on the side edges, these side guides can advantageously form the supports.
  • Side guides which fulfill the functions of lateral guidance and the function of the respective support in combination, are particularly preferred for the new printing plates.
  • the printing form memory works in the printing unit preferably together with a pressure forming machine comprising lifting members and pressing members, which are arranged side by side in the axial direction of the forme cylinder.
  • a pressure forming machine comprising lifting members and pressing members, which are arranged side by side in the axial direction of the forme cylinder.
  • the lifting members may be in particular suckers.
  • the pressing members may in particular be rollers for rolling over the printing plates.
  • the conveyor promotes the new printing forms of the pads on the forme cylinder, where they are pressed by means of the pressing members in the clamping channels. Subsequently, will the form cylinder rotated so that the already mounted in the terminal channel printing forms are pulled out of the memory due to the rotational movement.
  • the lifting elements are used.
  • Printing form memory, automatic plate changing machine and forme cylinder preferably form a fully automatic printing plate changing system.
  • an axially continuous or axially adjacent several hold-down is or are provided to hold down the ends of the printing plates in the printing form change.
  • the at least one hold-down holds the ends of the used printing plates so that they are pushed onto their intended supports of the memory when the form cylinder rotates.
  • the at least one hold-down device is used for pressing in the front ends of the new printing plates.
  • the pressing members could form the at least one hold-down device.
  • it is provided in addition to the lifting members and the push members and arranged in the feed direction between the memory and the lifting members and push members.
  • the printing form memory can be used in particular in combination with a pressure plate changing machine used as the DE 10 2004 023 434 and the PCT / EP2005 / 004937 describe which are referred to with respect to the automatic plate changing machine.
  • the printing plate changing machine described there primarily as a semiautomatic machine advantageously forms a fully automatic printing plate changing system in cooperation with the printing plate store and the forme cylinder.
  • Figure 1 shows a web-fed rotary press with two printing towers A, each with three H-bridges, which are arranged one above the other, four printing towers B, each with two 10-cylinder printing units.
  • an identification device 101 or a sensor of the identification device 101 is attached to the machine frame on each work plane I, II, III.
  • the operator of the printing form memory 102 (not shown) of the two adjacent printing units can be occupied.
  • the correct storage of the printing plates 1 at the respective storage locations 102a can then be monitored with the respective identification device 101.
  • the respective identification device 101 can retrieve the occupancy plan of the assigned printing form memory 102 stored in an internal or external data memory belonging to the machine control, for example, and align this nominal occupancy plan with the respective actual occupancy state on a respective printing form memory location 102a.
  • the identification device 101 When all printing forms 1 are confirmed to be at their correct storage location 102a, the identification device 101 generates an acknowledgment signal and sends this eg to the machine control. If several identification devices 101 are present on one machine, then each one of the identification devices 101 must have sent the confirmation signal to the machine control before the printing plates 1 are released for an automatic printing plate change.
  • Figure 2 shows the bottom view of a printing form 1, which is located at a memory location. From memory only a register strip 15 is shown, on which the printing form 1 rests and ensures the register-accurate position of the printing plate 1. On the forme cylinder 6 facing the end of the memory space 102a, the register 15 has a lengthening guide tongue 16 on it.
  • FIG. 3 shows a printing form 1 consisting of conductive material on a storage space 102a. Both ends of the printing plate 1 come to lie on each one acted upon by current contact 106, 107. As a result, the printing form 1 closes the circuit and generates a detection signal which indicates the presence of a printing form 1 on the storage location 102a of the identification device 101. At the same time, a sensible signal, e.g. a light emitting diode, signal that the memory space is occupied. The activation of the sensible signal causes the identification device 101.
  • a sensible signal e.g. a light emitting diode
  • the illumination of the diode is advantageously caused in such a way that a green light is lit when the printing form lies on its associated storage space 102a and a red light when the Printing form 1 was stored on a wrong storage space 102a, or as long as no printing form 1 is inserted into the storage space 102a.
  • the identification device 101 can not record data from another printing form 1. Only after the removal of the printing form 1 from the wrong storage space 102a and the insertion into the correct storage space 102a confirmed by the detectors 104 present there, the identification device 101 is ready to receive further printing plate data.
  • only the trailing end of the printing plate 1 associated contact point 106 is energized, while the leading end is connected to a neutral conductor 107.
  • the printing form 1 thus generates a short circuit when inserted into the storage space 102a.
  • the resulting short-circuit current now generates the detection signal.
  • a neutral conductor 107 is provided in the case of printing plate stores 10 having a plurality of storage locations 102a. In this case, all neutral conductors 107 are connected to each other and form a ground cable, which are in contact with all printing plates 1 of a printing form memory 10.
  • the identification device 101 When using panoramic printing forms, the identification device 101 is able to take the information on the printing form 1 that for correct storage of the panoramic printing plate on the associated memory locations 102a two detection signals are necessary to confirm the correct storage safely. The identification device 101 can also process this information and confirm the correct storage of the panorama printing form or display the wrong storage by a sensible signal. It is preferred, even if the detection of a panoramic printing form, the information of a detector sufficient, which is e.g. is achieved in that only one of the two required memory locations 102a assigned in the occupancy plan for the upcoming production of panoramic printing form, the other is either either already occupied correctly or stored as basically free in the occupancy plan.
  • FIG. 4 shows one of the memories.
  • the memory 10 consists of a storage cassette 10a with superimposed shafts.
  • the number of superimposed shafts corresponds to twice the number of over the circumference of the forme cylinder 6 successively arranged printing forms.
  • Each of the shafts holds adjacent to each other as many printing plates as are arranged axially next to one another on the forme cylinder 6.
  • the forme cylinders 6 each have twice the circumference and are four sides wide. In the circumferential direction thus a maximum of two printing plates are arranged one behind the other. In the axial direction, in particular, four single-width printing plates or two printing plates in the so-called panorama format can be arranged side by side.
  • the form cylinder 6 may also have more than twice the circumference in modifications.
  • the forme cylinder can be either narrower, in the extreme only one side wide, or wider, for example six pages wide.
  • the memory 10 or the memory cartridge 10 is correspondingly narrower or wider, so that each of its shafts can take next to each other as many printing forms as on the Form cylinder 6 are arranged side by side or can be arranged.
  • the width of the memory 10 corresponds in this regard to the width of the forme cylinder 6.
  • the memory 10 further comprises two conveyor attachments 20, which are detachably mounted on the two lateral edges of the storage cassette 10a.
  • the conveyor attachments 20 store the components of a conveyor.
  • the conveyor By means of the conveyor, in the case of a printing plate change, new printing plates can be conveyed in a feed direction F onto the associated forme cylinder 6. Furthermore, the conveyor is used to promote used printing plates in the opposite direction -F in the memory 10th
  • the conveying device comprises a conveying member 21 in the form of a rod-shaped traverse which extends over the entire width of the storage cassette 10a and is fixed immovably at its two ends to an output member 22 with respect to the feed direction F.
  • the output members 22 are the running members of a linear drive for the feed direction F and the opposite direction -F.
  • the output members 22 and thus together the conveyor member 21 are in the feed direction F and in the opposite direction -F linear reciprocally movable.
  • the linear drive comprises two drive members which are arranged on the two side edges outside the storage cassette 10a and, as already mentioned, are supported by the two conveyor attachments 20.
  • the output members 22 are the nuts of two spindle drives, each beyond the nut as a drive member extending in the feed direction F spindle 23 and at least one linear guide 24 include.
  • the spindles 23 are rotationally driven by motors 25. Due to their straight guide, the drive members 22 move in the case of the rotary drive of the spindles 23 according to the direction of rotation of the spindles 23 back and forth. As a result of this movement parallel to the shafts of the storage cassette 10a, the printing forms are conveyed into or out of the storage 10.
  • the conveying member 21 presses against the rearward bending away from the forme cylinder 6 of the printing forms received in the respective shaft. It is a loose pressure contact, so that the conveyor member 21 is released from the respective printing plates simply by a movement in the direction -F.
  • the conveying member 21 moves under the partially inserted into the associated shaft printing plates and against the inside of the front in the direction -F-off, so that the conveyor member 21 as it moves in the direction -F the used printing plates against the inner sides of the bends loosely pushing deeper into the memory 10 moves.
  • the motors 25 are supported on the respective conveyor attachment 20. Their motor shafts are parallel to the feed direction F.
  • the conveyor further has a further linear drive, by means of which the conveyor member 21 transversely, in the embodiment perpendicular, to the feed direction F is movable back and forth to promote in each of the superposed shafts of the storage cassette 10a there recorded or male form of printing.
  • the second linear drive consists of the conveyor member 21 directly as a driven or running member and the two output members 22 of the former linear drive, which each form the drive member as a guide member in further linear drive.
  • the further linear drive is formed as a spindle drive. Accordingly, the two end portions of the conveyor member 21 are each formed as a nut.
  • the output members 22 each comprise a spindle 27.
  • the spindles 27 are perpendicular to the spindles 23.
  • a further motor 26 is supported on each of the drive members 22.
  • the conveying member 21 is moved along the spindles 27 perpendicular to the feed direction F according to the direction of rotation, in order to approach the selected shaft.
  • the conveying member 21 carries out this selection movement in a rear end position shown in FIG. 3, in which it is free of the storage cassette 10a.
  • the axis of transverse mobility of the conveyor member 21 is denoted by V / -V.
  • the two motors 26 for the transverse mobility and the two motors 25 for the longitudinal mobility are electronically synchronized within the motor pairs 25 and 26.
  • the motor shafts of the motors 26 are parallel to the direction V of the transverse mobility of the conveyor member 21.
  • the two conveyor add-on parts 20 are identical apart from differences resulting from their axis symmetry, including the movably mounted components of the conveyor device.
  • the delivery attachment parts 20 serve not only for the storage of the components of the conveying device, but also for the assembly and guidance of the store 10 on the side walls of the printing unit.
  • FIG. 5 shows the storage cassette 10a in a longitudinal section.
  • the storage cassette 10a has a total of four superposed shafts.
  • the two lower shafts each take a layer of new printing plates 1 and 2, with which the associated forme cylinder 6 is to be equipped for the next production.
  • the used printing plates of the previous production can be taken up.
  • the used printing plates are conveyed into the two upper shafts and the new printing forms 1 and 2 from the two lower shafts.
  • the new first printing plates 1 to be arranged side by side on the forme cylinder are received lying on first supports 11.
  • the next, on the forme cylinder 6 next to each other to be mounted new second printing plates 2 are recorded lying on second supports 12 lying.
  • the two shafts above for the used printing plates are empty.
  • the new printing plates 1 and 2 each occupy a predetermined storage position.
  • the printing plates 1 and 2 are connected in their storage position per form-fitting releasably connected to the storage cartridge 10a.
  • they are connected to the storage cassette 10a by means of a releasable latching connection.
  • the connection is such that the storage position is defined with respect to the feeding direction F, but the connection can be easily released by the conveying member 21 pressing in the feeding direction F against the printing plates 1 and 2.
  • the pads 11 and 12 are shaped so that they hold the printing plates 1 and 2 by clamping in a well-dosed frictional connection.
  • the pads 11 and 12 are each formed as a pair of facing each other via the held printing form 1 or 2 bearing surfaces.
  • the two contact surfaces of each support 11 and 12 extend in the feed direction F wavy parallel to each other, so that in longitudinal section a wave-shaped slot is formed, in which the respective printing forme 1 or 2 is bordered along one of its two side edges with a slight frictional connection and corresponding to the undulating course of the respective Edition 11 or 12 is slightly bent in the feed direction F.
  • register strips 15 are arranged, on which the printing plates 1 and 2 are conveyed in register in the feed direction F with respect to the page register to the forme cylinder 6.
  • the register strips 15 also each form the positive connection for the specification of the storage position.
  • they form at their rear ends in each case a form-locking element 18, for example a latching element.
  • the front and rear bends of the printing plates 1 and 2 are each provided with at least one recess, in each of which one of the register strips 15 fits precisely and in this way the relevant printing form 1 or 2 in register with their movement in the feed direction. In the region of the recesses of the bends remains in each case a short Abbugstummel, with which the printing plates 1 and 2 form the positive connection with the memory cartridge 10a, in the embodiment with the form-locking elements 18 form.
  • the shafts for the new printing plates 1 and 2 each have a height measured perpendicular to the feed direction F, which corresponds at least substantially to the height of the arranged in each slot register strip or register strips 15 plus the amplitude of the pads 11 and 12. This height is less than twice the length of the bends of the printing plates 1 and 2, in the embodiment corresponds to the height of the shafts about one and a half times the Abbugmother.
  • the register bars 15 extend in the feeding direction F to the front end of the storage cassette 10a, where the printing plates 1 and 2 extend out of the storage cassette 10a. They are each extended in the feed direction F by a bending-elastic guide tongue.
  • the guide tongues for the first printing plates 1 are 16 and the guide tongues for the second printing plates 2 are designated 17.
  • the guide tongues 16 and 17 are at an acute angle in the direction of their front, free ends toward each other, wherein the lower guide tongues 16 are inclined upward and the upper guide tongues 17 downward.
  • the guide tongues 16 and 17 are as wide as the register strips 15, but much thinner and therefore flexible.
  • the guide tongues 16 and 17 project in the radial direction of the forme cylinder 6 until shortly over the clamping channel of the forme cylinder 6 and seen in the circumferential direction up to or preferably even a short distance into the overlap with the clamping channel.
  • pads 13 and 14 are formed in the shafts for the used printing plates.
  • the pads 13 and 14 are spring means, in the embodiment each have a pair of spring elements 13 and 14, which are arranged at the front and at the rear end of the storage cartridge 10a respectively in the side edge region of the male form of printing.
  • the spring elements 13 and 14 are formed as free-swinging leaf springs, which spring under the weight of the incoming printing form.
  • the forme cylinder 6 facing front spring elements 13 and 14 extend to below the Abbugen the male forms or are optionally also located away from the side edges, so that the used printing plates slide with their turns on the front spring elements 13 or 14 and the front spring elements 13 and 14 prevent in this way that the used printing plates can move back to the forme cylinder 6 when removing from the forme cylinder 6.
  • the shafts for the used printing plates are as flat as the shafts for the new printing forms 1 and 2.
  • FIG. 6 shows the storage cassette 10a in a perspective view of its front end. Visible are, inter alia, the front ends of the register strips 15 and the extending guide tongues 16 and 17. As can also be seen, the Pads 11 and 12, of which only the pads 12 can be seen, part of side edge guides 19.
  • the side edge guides 19 each have the shape of a horizontal U on.
  • the two parallel legs of the U form the contact surfaces of the supports 11 and 12 in the form of the arcuate, ie in the embodiment wavy clamping channel.
  • the connecting leg of the U serves in addition to the register strips 15 and guide tongues 16 and 17 as a lateral guide for the printing plates 1 and 2.
  • the side guides 19 divide the slots for the printing plates 1 and 2 respectively into two compartments.
  • each of the compartments either a double-width printing form or two single-width printing forms 1 or 2 can be recorded.
  • the double-width printing plate is guided on both sides of the side edge guides 19 and is on both sides of the contact surfaces of the pads 11 and 12 formed there.
  • the two single-width printing plates 1 or 2 are guided laterally only on one edge and also contact only at this edge one of the supports 11 and 12.
  • Per compartment also spaced apart from each other three register strips 15 and corresponding guide tongues 16 or 17 are provided. If the respective compartment only accommodates two single-width printing forms 1 or 2, the middle of the register strips 15 serves only as a support in addition to the supports 11 or 12 on the other side edge of the respective printing form 1 or 2. This support 15 assumes no clamping function.
  • the bends of the printing plates 1 and 2 are accordingly excluded at their side edges, so that single width printing forms 1 and 2 can slide along the one side edge along one of the supports 11 and 12 and at its other side edge along the register strip 15.
  • a second printing form 2 simple width is shown with a recess in turn.
  • Double-width printing plates are each provided with three recesses at their bends, but are held in register only by the central register strips 15; single-width printing plates depending on one of the other two register strips 15th
  • FIG. 7 shows the storage cassette 10a in a perspective view of its rear end.
  • two new printing plates 1 and 2 simple width are added to each other on the right edge in the figure.
  • the other memory locations are empty.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
EP06405483A 2005-11-18 2006-11-16 Dispositif de répartition de bloc d'impression dans une presse rotative Withdrawn EP1787813A3 (fr)

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Application Number Priority Date Filing Date Title
DE102005055116A DE102005055116A1 (de) 2005-11-18 2005-11-18 Druckformzuordnungseinrichtung in einer Rotationsdruckmaschine

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EP1787813A3 EP1787813A3 (fr) 2010-07-07

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DE102010042114A1 (de) 2010-10-07 2012-04-12 Koenig & Bauer Aktiengesellschaft Druckformwechselsystem einer Druckeinheit sowie Logistiksystem einer Druckerei umfassend ein Druckformwechselsystem
DE102010042094A1 (de) 2010-10-07 2012-04-12 Koenig & Bauer Aktiengesellschaft Trägerelement zur manuellen und/oder automatischen Beförderung mehrerer Druckformen, Transportsystem in einer Druckerei mit einem Trägerelement sowie Verwendung eines Trägerelementes in einem Transportsystem einer Druckerei
DE102010042117A1 (de) 2010-10-07 2012-04-12 Koenig & Bauer Aktiengesellschaft Druckformwechselsystem einer Druckeinheit sowie Verfahren zum Aufbringen einer oder mehrerer Druckformen auf einem Formzylinder der Druckeinheit
WO2012045494A1 (fr) 2010-10-07 2012-04-12 Koenig & Bauer Aktiengesellschaft Système de transport et système de changement de clichés dans une unité d'impression, ainsi que système logistique dans une imprimerie
WO2012045493A1 (fr) 2010-10-07 2012-04-12 Koenig & Bauer Aktiengesellschaft Support de clichés pour plusieurs clichés, dispositif de stockage, procédé permettant de fournir plusieurs clichés à introduire dans une unité d'impression et système de transport dans une imprimerie
WO2012045495A1 (fr) 2010-10-07 2012-04-12 Koenig & Bauer Aktiengesellschaft Système de changement de clichés d'une unité d'impression, système logistique dans une imprimerie et procédé permettant d'appliquer un ou plusieurs clichés sur un cylindre porte-clichés d'une unité d'impression
DE102010042111A1 (de) 2010-10-07 2012-04-12 Koenig & Bauer Aktiengesellschaft Druckformwechselsystem einer Druckeinheit sowie Logistiksytem einer Druckerei umfassend ein Druckformwechselsystem
DE102010042091A1 (de) 2010-10-07 2012-04-12 Koenig & Bauer Aktiengesellschaft Speichereinrichtung sowie Verfahren zur Bereitstellung mehrerer neu in einer Druckeinheit auf mindestens einen Formzylinder aufzubringender Druckformen
DE102010042100A1 (de) 2010-10-07 2012-04-12 Koenig & Bauer Aktiengesellschaft Transportsystem in einer Druckeinheit für den Transport mindestens einer neu auf einem Formzylinder der Druckeinheit aufzubringenden Druckform sowie Druckeinheit mit einem Transportsystem
DE102012202533B3 (de) * 2012-02-20 2013-06-20 Koenig & Bauer Aktiengesellschaft Verfahren, Vorrichtung und System zur Bereitstellung eines Satzes von in einer Druckmaschine neu aufzulegender Druckformen
EP2620281A2 (fr) * 2012-01-27 2013-07-31 Goss International Corporation Dispositif de chargement des plaques d'impression sur un cylindre porte-plaque d'une presse rotative offset

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DE102007020718A1 (de) * 2007-05-03 2008-11-06 Manroland Ag Verfahren zur Handhabung von Druckplatten
CN102179992A (zh) * 2011-03-03 2011-09-14 高斯图文印刷系统（中国）有限公司 一种柔版印刷机的印版和印版的安装方法
DE102018216421A1 (de) * 2018-09-26 2020-03-26 Heidelberger Druckmaschinen Ag Verbesserte Druckplattenlogistik

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DE102004023434A1 (de) 2004-05-10 2005-12-08 Maschinenfabrik Wifag Rotationsdruckmaschine mit Saugvorrichtung, Saugvorrichtung und Verfahren zum Wechseln einer Druckform

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DE102010042100A1 (de) 2010-10-07 2012-04-12 Koenig & Bauer Aktiengesellschaft Transportsystem in einer Druckeinheit für den Transport mindestens einer neu auf einem Formzylinder der Druckeinheit aufzubringenden Druckform sowie Druckeinheit mit einem Transportsystem
DE102010042111A1 (de) 2010-10-07 2012-04-12 Koenig & Bauer Aktiengesellschaft Druckformwechselsystem einer Druckeinheit sowie Logistiksytem einer Druckerei umfassend ein Druckformwechselsystem
DE102010042117A1 (de) 2010-10-07 2012-04-12 Koenig & Bauer Aktiengesellschaft Druckformwechselsystem einer Druckeinheit sowie Verfahren zum Aufbringen einer oder mehrerer Druckformen auf einem Formzylinder der Druckeinheit
WO2012045494A1 (fr) 2010-10-07 2012-04-12 Koenig & Bauer Aktiengesellschaft Système de transport et système de changement de clichés dans une unité d'impression, ainsi que système logistique dans une imprimerie
DE102010042114A1 (de) 2010-10-07 2012-04-12 Koenig & Bauer Aktiengesellschaft Druckformwechselsystem einer Druckeinheit sowie Logistiksystem einer Druckerei umfassend ein Druckformwechselsystem
WO2012045495A1 (fr) 2010-10-07 2012-04-12 Koenig & Bauer Aktiengesellschaft Système de changement de clichés d'une unité d'impression, système logistique dans une imprimerie et procédé permettant d'appliquer un ou plusieurs clichés sur un cylindre porte-clichés d'une unité d'impression
DE102010042094A1 (de) 2010-10-07 2012-04-12 Koenig & Bauer Aktiengesellschaft Trägerelement zur manuellen und/oder automatischen Beförderung mehrerer Druckformen, Transportsystem in einer Druckerei mit einem Trägerelement sowie Verwendung eines Trägerelementes in einem Transportsystem einer Druckerei
DE102010042091A1 (de) 2010-10-07 2012-04-12 Koenig & Bauer Aktiengesellschaft Speichereinrichtung sowie Verfahren zur Bereitstellung mehrerer neu in einer Druckeinheit auf mindestens einen Formzylinder aufzubringender Druckformen
WO2012045493A1 (fr) 2010-10-07 2012-04-12 Koenig & Bauer Aktiengesellschaft Support de clichés pour plusieurs clichés, dispositif de stockage, procédé permettant de fournir plusieurs clichés à introduire dans une unité d'impression et système de transport dans une imprimerie
DE102010042117B4 (de) * 2010-10-07 2015-05-28 Koenig & Bauer Aktiengesellschaft Druckformwechselsystem einer Druckeinheit sowie Verfahren zum Aufbringen einer oder mehrerer Druckformen auf einem Formzylinder der Druckeinheit
DE102010042111B4 (de) * 2010-10-07 2015-03-26 Koenig & Bauer Aktiengesellschaft Druckformwechselsystem einer Druckeinheit sowie Logistiksytem einer Druckerei umfassend ein Druckformwechselsystem
DE102010042114B4 (de) * 2010-10-07 2014-11-20 Koenig & Bauer Aktiengesellschaft Druckformwechselsystem einer Druckeinheit sowie Logistiksystem einer Druckerei umfassend ein Druckformwechselsystem
EP2620281A3 (fr) * 2012-01-27 2013-08-14 Goss International Corporation Dispositif de chargement des plaques d'impression sur un cylindre porte-plaque d'une presse rotative offset
FR2986180A1 (fr) * 2012-01-27 2013-08-02 Goss Internat France Dispositif de chargement des plaques d'impression sur un cylindre porte-plaque d'une presse rotative offset
EP2620281A2 (fr) * 2012-01-27 2013-07-31 Goss International Corporation Dispositif de chargement des plaques d'impression sur un cylindre porte-plaque d'une presse rotative offset
DE102012202533B3 (de) * 2012-02-20 2013-06-20 Koenig & Bauer Aktiengesellschaft Verfahren, Vorrichtung und System zur Bereitstellung eines Satzes von in einer Druckmaschine neu aufzulegender Druckformen

Also Published As

Publication number Publication date
EP1787813A3 (fr) 2010-07-07
DE102005055116A1 (de) 2007-05-24
US20070206208A1 (en) 2007-09-06

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