EP1577239B1 - Margeur pour un dispositif de poinçonnage ou estampage - Google Patents

Margeur pour un dispositif de poinçonnage ou estampage Download PDF

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Publication number
EP1577239B1
EP1577239B1 EP05101440A EP05101440A EP1577239B1 EP 1577239 B1 EP1577239 B1 EP 1577239B1 EP 05101440 A EP05101440 A EP 05101440A EP 05101440 A EP05101440 A EP 05101440A EP 1577239 B1 EP1577239 B1 EP 1577239B1
Authority
EP
European Patent Office
Prior art keywords
diecutting
stamping device
fact
sheets
stack
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.)
Expired - Lifetime
Application number
EP05101440A
Other languages
German (de)
English (en)
Other versions
EP1577239A2 (fr
EP1577239A3 (fr
Inventor
Wolfgang Bittner
Gerhard Klaassen
Peter Köpke
Andre Pütz
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP1577239A2 publication Critical patent/EP1577239A2/fr
Publication of EP1577239A3 publication Critical patent/EP1577239A3/fr
Application granted granted Critical
Publication of EP1577239B1 publication Critical patent/EP1577239B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/0816—Suction grippers separating from the top of pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H11/00—Feed tables
    • B65H11/002—Feed tables incorporating transport belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/44—Simultaneously, alternately, or selectively separating articles from two or more piles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/40—Increasing or maximizing
    • B65H2601/42—Increasing or maximizing entities relating to the handling machine
    • B65H2601/421—Capacity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/40—Increasing or maximizing
    • B65H2601/42—Increasing or maximizing entities relating to the handling machine
    • B65H2601/422—Versatility

Definitions

  • the invention relates to an investor for a punching or embossing device, as well as a punching or embossing device with such an investor, and a method for punching or embossing of sheets with a stamping or embossing device.
  • punching As punching the cutting is referred to as closed, geometric blank forms that can be circular, oval or polygonal as well as fantasy shapes of all kinds. Even the practices practiced in print finishing such as punching with punch, repel corners and register punching are counted to this area.
  • the punching is carried out against a punching pad or against stamp partly it is also shearing operations (cf print finishing, training manual for bookbinders, Bundesvious Druck e.V. 1996, page 351 ff.).
  • Packaging material made of paper, cardboard, cardboard or corrugated cardboard are mainly punched in sheet format. When punching but also creasing lines or blind embossing can be introduced into the benefit. This complex process makes it indispensable to punch the sheets individually, as the end products are usually sophisticated packaging. For optimum results, stamping tools with the lowest tolerances and extremely precise and reliable punching machines are required.
  • stamping machines are often so-called flat bed punches in which the printed sheets stacked on a pallet are fed to the punching machine.
  • the sheets are precisely aligned at three points with side and front marks, taken over by a gripper carriage with a gripper bar and positioned exactly between the die and the punching plate.
  • the complete sheet is punched in a stroke in the next station (breaking station), the waste is mechanically removed by stripping tools.
  • Such a flat bed punch is for example from the DE 30 44 083 A1 known.
  • the two tables are equipped with cutting and scoring tools or corresponding counter tools with which punched out of the cyclically guided between the table surface sheets the benefits and at the same time pressed the necessary for clean folding grooves. In the subsequent breakout the waste is removed by machine tools. Depending on the equipment of the machine finally the punched benefits can be separated in a designatedWhentrenn arthritis.
  • punching and embossing machines process large format products, for example in a format up to 105 x 74 or 100 x 140. To a lesser extent, even small sheet sizes (for example in the format 50 x 70) are processed. Smaller punching or embossing machines are sometimes developed and used for these smaller sheet sizes, or alternatively, when investing in a small format machine that processes small formats on large machines. The latter may be more economical than the purchase of a small format machine, but the economy is still relatively low when a large-format machine is used only for punching or embossing small-sized sheet.
  • the US 3,391,924 A1 describes a device in which two separate sheets are fed from two adjacent sheet stacks of a printing press.
  • the sheet feeder has suction means to lift and sing single sheets from a respective stack of sheets. Two sheets are simultaneously deducted from the two sheet stacks.
  • the disadvantage of this is that when a sheet stack has to be refilled, the machine must be stopped. This has a negative effect on the production performance of a stamping or embossing device. It is therefore the object of the present invention to make the stamping or embossing of small-sized sheets with a large-sized punching or embossing device more economical, and to increase the performance of a large-sized punching or embossing device for small sheet sizes.
  • the feeder according to the invention is thus distinguished by the fact that several stacks are provided next to one another in the transport direction, of which the feeder withdraws sheets by means of suitable means and supplies them to a punching or embossing device.
  • the term investor is quite generally for those device that feeds the punching or embossing device sheet.
  • This inventive investor could also consist of two or more conventional, smaller sized Einzelbogenanlegern parallel to each other operate.
  • these plurality of single-sheet investors only form a feeder according to the invention, so that such embodiments are likewise encompassed by the invention.
  • the feeder can thereby simultaneously withdraw sheets from several stacks and feed them to the punching and embossing apparatus, although sequential peeling of the sheets from different stacks may also be advantageous, particularly with regard to refilling the stacks from which the feeder withdraws the sheets .
  • a doubling of the throughput of the punching or embossing device so that high speeds per sheet can be achieved in this way, for example 14 000 sheets per hour.
  • the performance of the punching device increases accordingly. In this way, therefore, the sheet throughput can be increased by the punching or embossing device at the same number of strokes of the punching or embossing device by a multiple.
  • the means for applying at least one separating sucker per stack is operable independently of the separating suckers of the other stack.
  • the punching or embossing device is in the punching or embossing device is a large-sized punching or embossing device and the sheet to small format sheet, in particular a punching and embossing device for a 105 x 74 format and the Sheet by sheet of 50 x 70 format.
  • the means for applying sheets are designed such that even sheets from a single stack can be applied.
  • the punching or embossing device with the same feeder can also process those products which were originally intended for processing with the punching or embossing device of the corresponding format.
  • the means for applying at least one independent suction head per stack, for sucking the uppermost sheet of the stack is further developed.
  • the means for applying at least one stack each have a control roller and / or a sheet flap.
  • the means for applying at least each stack on a side mark, for lateral alignment of the respective sheet also have an independent drive.
  • the page marks can be operated in such a way that the respective sheets of all the stacks are aligned laterally at the same time.
  • the means for applying at least one stack each have a front mark for aligning the front side of the sheet.
  • the front marks for aligning the front of the sheet per stack to an independent drive.
  • the front marks can be operated in such a way that the respective sheets of all the stacks are aligned simultaneously.
  • the invention also relates to a punching or embossing device having a feeder according to the invention with one, several or all previous features.
  • the punching or embossing device gripper on a gripper bar, for transporting the sheet through the punching or embossing device, said gripper and gripper bar are designed such that the grippers are variably attached to the gripper bar.
  • the rapier can be adapted by means of variably attachable gripper on the plurality of sheets that are applied by juxtaposed stacks. It can also be advantageously achieved in this way that the grippers can assume an ideal positioning with respect to the edges of the sheet. This can prevent the corners of the sheets from bending when punched.
  • each stack in the feeder are assigned a set of Feinjustagestoffn.
  • FIG. 1 shows a schematic representation of a known punching or embossing device 1.
  • FIG. 1 shows a schematic representation of a known punching or embossing device 1.
  • drive and guide means cams and control means to illustrate the effects of the device is not shown or only described in general terms.
  • FIG. 1 the basic structure of a sheet punching and embossing machine 1 for punching, breaking and depositing sheets of paper, cardboard and the like is shown.
  • the punching and embossing machine 1 consists of a punching device 2, a breakout device 3 and a depositing device 4, which are supported and enclosed by a common machine housing 5.
  • the sheet 6 are gripped by mounted on revolving chains 7 rapiers 8 at its front edge and intermittently pulled through the various stations 2, 3 and 4 of the punching and embossing machine 1.
  • the punching station 2 includes a device consisting of a lower table 9 and an upper table 10.
  • the lower table 9 is fixedly mounted in the machine frame and provided with a counter plate to the punching knife.
  • the upper table 10 is mounted vertically movable and driven by a drive for the device.
  • the gripper bar 8 transports the sheet 6 from the punching and embossing station 2 in the subsequent breaking station 3, which may be equipped with breakout tools.
  • the breaking station 3 are pushed out of the sheet with the help of the break-off tools the unnecessary pieces of waste from the sheet, whereby these waste pieces 11 fall into a container-like carriage 12 inserted below the station.
  • the depositing station 4 can also contain a pallet 13, on which the individual sheets are stacked in the form of a stack 14, so that after reaching a certain stack height, the pallets with the stacked sheets 14 can be moved away from the area of the punching and embossing machine 1.
  • the chains 7 carry a plurality of gripper bars 8, for example, there are eight, so that multiple sheets 6 can be processed simultaneously in the various stations 2, 3 and 4.
  • FIG. 1 and in FIG. 2 is the transport movement of the sheet 6, 6a, 6b represented by the punching and embossing device 1 by the arrow with the reference TB.
  • a first stack 16a and next to a second stack 16b are shown in the feeder 30.
  • the two stacks 16a, 16b are shown symmetrically to the center line M of feeder 30 and punching or embossing device 1.
  • feeder 30 a device which supplies the punching or embossing device 1 sheet 6, 6a, 6b.
  • This inventive feeder could also consist of two or more conventional, smaller sized Einzelbogenanlegern operated in parallel.
  • Suction heads 42a, 42b are arranged at the upper end of the stack 16a, 16b. These suction heads 42a, 42b are connected to a suction device 40, 40a, 40b. It may be in one embodiment, as in FIG. 3 shown to act as a common suction device 40 or, as in the embodiment in FIG. 4 shown to each have a suction device 40a, 40b, which is associated with the corresponding stack. In the embodiment in FIG. 3 For example, the suction heads 42a, 42b may be connected to the suction device 40 such that the suction heads 42a, 42b are supplied with suction air independently of each other.
  • the suction device 40, 40a, 40b generates at the suction heads 42a, 42b a suitable cycled negative pressure, so that the suction heads 42a, 42b can grip the uppermost sheets 6a, 6b of the stacks 16a, 16b and feed them to a transport device 20a, 20b.
  • each stack 16a, 16b are each associated with 2 suction heads 42a, 42b.
  • clock rollers 32 are arranged above the stacks 16a, 16b. These clock rollers 32 generate a scale flow of the sheets 6, 6a, 6b in the direction of the transport movement TB to the punching or embossing device 1.
  • the scale flow of the sheets 6, 6a, 6b is moved forward by pairs of conveyor belts 20.
  • the pairs of conveyor belts are advantageously driven separately in batches.
  • the conveyor belts 20, which are assigned to the respective stacks 16a, 16b synchronize with each other by mechanical or electronic means.
  • side marks 21a, 21b and not shown known to those skilled in front brands for lateral alignment and orientation of the front of the sheet 6a, 6b.
  • the side marks 21a, 21b and front marks, respectively are associated with the respective stacks 16a, 16b so as to independently align the respective sheets 6a, 6b.
  • the alignment takes place simultaneously for all the sheets which are to be punched together in the following.
  • the sheets 6a, 6b After the sheets 6a, 6b have been aligned, they are gripped by grippers 18a, 18b attached to a rapier bar 8.
  • the grippers 18a, 18b are slidably mounted on the gripper bar 8, so that the position of the grippers 18a, 18b relative to the sheets 6a, 6b can be adjusted, so that a suitable adaptation to the format and number of simultaneously processed sheet 6a, 6b is possible.
  • the punching or embossing device 1 comprises a stacking device, not shown, which generates the required number of stacks 16a, 16b on a pallet, which can then find application in the feeder 30.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Claims (14)

  1. Dispositif de perforation ou de découpe (1) de grand format destiné au traitement de feuilles (6, 6a, 6b) de petit format, le dispositif de perforation ou de découpe (1) comportant un margeur (30) avec des moyens (20a, 20b, 21a, 21b, 30, 32, 40, 40a, 40b, 42a, 42b) destinés à saisir des feuilles (6, 6a, 6b) dans une pluralité de piles (16a, 16b), les piles (16a, 16b) étant disposées parallèlement entre elles, les unes à côté des autres et parallèlement à la direction de transport (TB), caractérisé en ce que les moyens (20a, 20b, 21a, 21b, 30, 32, 40, 40a, 40b, 42a, 42b) destinés à saisir comportent au moins un dispositif d'aspiration (40, 40a, 40b) par pile (16a, 16b) et en ce que ledit au moins un dispositif d'aspiration (40, 40b) d'une pile (16a) peut être utilisé indépendamment dudit au moins un dispositif d'aspiration (40, 40b) de l'autre pile (16b).
  2. Dispositif de perforation ou de découpe (1) selon la revendication 1, caractérisé en ce que les moyens (20a, 20b, 21a, 21b, 30, 32, 40, 40a, 40b, 42a, 42b) destinés à saisir sont configurés de telle sorte qu'ils peuvent également saisir des feuilles (6, 6a, 6b) d'une seule pile (16a, 16b).
  3. Dispositif de perforation ou de découpe (1) selon l'une quelconque des revendications 1 à 2, caractérisé en ce que les moyens (20a, 20b, 21a, 21b, 30, 32, 40, 40a, 40b, 42a, 42b) destinés à saisir comportent pour chaque pile (16a, 16b) au moins une tête d'aspiration (42a, 42b) indépendante, destinée à aspirer la feuille (6a, 6b) supérieure de la pile (16a, 16b).
  4. Dispositif de perforation ou de découpe (1) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les moyens (20a, 20b, 21a, 21b, 30, 32, 40, 40a, 40b, 42a, 42b) destinés à saisir comportent pour chaque pile (16a, 16b) au moins un élément de transport (20a, 20b), en particulier au moins une bande transporteuse (20a, 20b).
  5. Dispositif de perforation ou de découpe (1) selon la revendication 4, caractérisé en ce que l'élément de transport (20a, 20b) de chaque pile (16a, 16b) comporte un système d'entraînement indépendant.
  6. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les moyens (20a, 20b, 21a, 21b, 30, 32, 40, 40a, 40b, 42a, 42b) destinés à saisir comportent au moins un rouleau d'alimentation intermittente (32) par pile (16a, 16b).
  7. Dispositif de perforation ou de découpe (1) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les moyens (20a, 20b, 21a, 21b, 30, 32, 40, 40a, 40b, 42a, 42b) destinés à saisir comportent au moins un abattant de feuilles par pile (16a, 16b).
  8. Dispositif de perforation ou de découpe (1) selon l'une quelconque des revendications 1 à 7, caractérisé en ce que les moyens (20a, 20b, 21a, 21b, 30, 32, 40, 40a, 40b, 42a, 42b) destinés à saisir comportent pour chaque pile (16a, 16b) au moins un repère latéral (21a, 21b) pour l'alignement latéral de chaque feuille (6, 6a, 6b).
  9. Dispositif de perforation ou de découpe (1) selon la revendication 8, caractérisé en ce que les repères latéraux (21a, 21b) destinés à l'alignement latéral comportent un système d'entraînement indépendant pour chaque pile (16a, 16b).
  10. Dispositif de perforation ou de découpe (1) selon l'une quelconque des revendications 8 à 9, caractérisé en ce que les repères latéraux (21a, 21b) de toutes les piles (16a, 16b) alignent simultanément les feuilles (6, 6a, 6b) respectives.
  11. Dispositif de perforation ou de découpe (1) selon l'une quelconque des revendications 8 à 10, caractérisé en ce que les moyens (20a, 20b, 21a, 21b, 30, 32, 40, 40a, 40b, 42a, 42b) destinés à saisir comportent pour chaque pile (16a, 16b) au moins un repère frontal destiné à aligner le côté frontal des feuilles (6, 6a, 6b).
  12. Dispositif de perforation ou de découpe (1) selon la revendication 1, caractérisé en ce que le dispositif de perforation ou de découpe (1) comporte des organes de préhension (18a, 18b) sur une tige de préhension (8), destinés à transporter les feuilles (6, 6a, 6b) à travers le dispositif de perforation ou de découpe (1), les organes de préhension (18a, 18b) et la tige de préhension (8) étant configurés de telle sorte que les organes de préhension (18a, 18b) peuvent être montés de manière variable sur la tige de préhension (8).
  13. Dispositif de perforation ou de découpe (1) selon la revendication 12, caractérisé en ce que le dispositif de perforation ou de découpe (1) comporte des moyens d'ajustage précis, un jeu de moyens d'ajustage précis étant associé à chaque pile (16a, 16b).
  14. Dispositif de perforation ou de découpe (1) selon l'une quelconque des revendications 12 à 13, caractérisé en ce que le dispositif de perforation ou de découpe (1) comporte un dispositif d'empilage préliminaire, qui est configuré de telle sorte qu'il est apte à constituer plusieurs piles (16a, 16b) alignées sur une palette.
EP05101440A 2004-03-16 2005-02-25 Margeur pour un dispositif de poinçonnage ou estampage Expired - Lifetime EP1577239B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004012694 2004-03-16
DE102004012694A DE102004012694A1 (de) 2004-03-16 2004-03-16 Anleger für eine Stanz- oder Prägevorrichtung

Publications (3)

Publication Number Publication Date
EP1577239A2 EP1577239A2 (fr) 2005-09-21
EP1577239A3 EP1577239A3 (fr) 2006-05-31
EP1577239B1 true EP1577239B1 (fr) 2008-07-23

Family

ID=34833128

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05101440A Expired - Lifetime EP1577239B1 (fr) 2004-03-16 2005-02-25 Margeur pour un dispositif de poinçonnage ou estampage

Country Status (6)

Country Link
US (1) US7516952B2 (fr)
EP (1) EP1577239B1 (fr)
JP (1) JP2005263494A (fr)
CN (1) CN100513278C (fr)
AT (1) ATE402109T1 (fr)
DE (2) DE102004012694A1 (fr)

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CN104495432B (zh) * 2014-12-16 2018-01-09 陈小东 自动压痕系统和自动压痕方法
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ES3036086T3 (en) * 2019-12-18 2025-09-12 Heidelberger Druckmasch Ag Method for operating a flat bed press for cutting out

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Publication number Publication date
US20050206066A1 (en) 2005-09-22
DE502005004767D1 (de) 2008-09-04
JP2005263494A (ja) 2005-09-29
CN1669895A (zh) 2005-09-21
DE102004012694A1 (de) 2005-10-06
EP1577239A2 (fr) 2005-09-21
US7516952B2 (en) 2009-04-14
ATE402109T1 (de) 2008-08-15
EP1577239A3 (fr) 2006-05-31
CN100513278C (zh) 2009-07-15

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