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EP2479011B1 - Unité d'adaptateur pour la réception d'outils d'estampillage - Google Patents

Unité d'adaptateur pour la réception d'outils d'estampillage Download PDF

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Publication number
EP2479011B1
EP2479011B1 EP11192031.0A EP11192031A EP2479011B1 EP 2479011 B1 EP2479011 B1 EP 2479011B1 EP 11192031 A EP11192031 A EP 11192031A EP 2479011 B1 EP2479011 B1 EP 2479011B1
Authority
EP
European Patent Office
Prior art keywords
adapter unit
punching
embossing
diecutting
tool
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.)
Not-in-force
Application number
EP11192031.0A
Other languages
German (de)
English (en)
Other versions
EP2479011A1 (fr
Inventor
David Ehrbar
Christian Görbing
Markus Möhringer
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 EP2479011A1 publication Critical patent/EP2479011A1/fr
Application granted granted Critical
Publication of EP2479011B1 publication Critical patent/EP2479011B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/44—Cutters therefor; Dies therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614—Means for mounting the cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D2007/2607—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member for mounting die cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0771—Other aspects of the embossing operations
    • B31F2201/0776—Exchanging embossing tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0782—Layout of the complete embossing machine, of the embossing line

Definitions

  • the invention relates to an adapter unit according to the preamble of claim 1 for receiving punching tools.
  • punching As punching the cutting is referred to with closed geometric blank forms that can be circular, oval or polygonal and imaginary shapes of all kinds. Also the practices practiced in print finishing, such as punching with punch, corner punching and register punching are counted to this area.
  • the punching takes place against a punching pad or against stamp, in some cases it is also shearing operations.
  • Packaging materials made of paper, cardboard, cardboard or corrugated board 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.
  • 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.
  • the DE 102 51 780 A1 describes a sheet punching and embossing machine with a punching device. It is provided a frame for receiving a fitted with punching and knurling knives supporting plate, wherein the support plate, also commonly referred to as a punching tool, can be clamped by means of hydraulically actuated clamping elements. Such a frame is also referred to as a quick-release frame or closing frame. A disadvantage of such a closure frame is that only tools of a certain format, namely the nominal size, can be held by the latter. However, since the production of punching and / or stamping tools is complex and expensive, it is of interest to be able to use tools whose size differs from the nominal format.
  • Newer sheet punching and / or embossing machines increasingly have a larger nominal size compared to older machines. For smaller or only occasionally repeating orders, it is not economical to have a reworked to the larger nominal size machining tool. One already existing tools should continue to be used on the new larger format machine.
  • the DE 195 16 074 B4 discloses an apparatus for punching with a frame for holding a tool composed of various stamped parts.
  • a sliding clamping bar and slidable telescopic rods are arranged in the frame.
  • the individual tools are connected via fixing elements.
  • a disadvantage of such a device is that results in an uneven punching pressure distribution over the entire crucible surface.
  • punching forces can be transmitted only in the area of the frame where individual tools are located.
  • the unequal punching pressure distribution results in a high load on the cutting edges as well as a reduced cutting quality.
  • the adapter unit according to the invention has a first recess for alternative recording of punching and / or stamping tools of different format in the tool holder of a punching and / or embossing station.
  • the stamping and / or embossing tool may comprise a plate element with active elements such as punching knives and / or knives and / or embossing dies.
  • the adapter unit has a plurality of telescopic clamping elements for holding the punching and / or embossing tool. Due to the telescoping of the clamping elements is ensured in an advantageous manner that the tool may have different dimensions.
  • the adapter unit has at least one further recess in which a plate can be received, which is equipped with force transmission elements.
  • the adapter unit corresponds in its external dimensions to the nominal format of the punching and / or embossing station. It is manufactured in particular from a plate-shaped element made of a stiff, kink-resistant and lightweight material, such as aluminum or fiber-reinforced plastic (eg GFK or CFK).
  • At least one plate equipped with punching force transmission elements is part of the adapter unit.
  • the plate can be designed for example as a wooden plate.
  • the force transmission elements are punching blades. Even if no machining of a sheet of paper, cardboard, plastic and the like to be processed in the punching and / or embossing station is desired at the positions of the punching force transmission elements, the use of punching knives represents a cost-effective variant. Thus, the plates equipped with punching knives to be commissioned by the stamping and stamping tool manufacturers. As an alternative to the punching blades, however, it is also possible, for example, to use plates or small hard rubber discs as punching force transmission elements.
  • a respective further recess has at least one locking element for holding the respective plate.
  • This may be, for example, a displaceable or rotatable clamping element, a screw connection, or a tensioning element acting with spring force.
  • a respective clamping element has a bolt for transmitting a clamping force.
  • This bolt which can also be referred to as a bump, is in particular made of a high-strength, kink-resistant material such as steel.
  • the clamping force of the closing frame is transmitted by the bolt to the punching and / or embossing tool located in the first recess. This will keep this safe.
  • a respective clamping element is variable in its length from a first length for clamping a punching and / or embossing tool first format to a second length for clamping a punching and / or embossing tool second format.
  • this graded length variability of the clamping element and a stepless change in length is possible, for example by providing a thread.
  • An advantage of the use of a stepped adjustability by means of the dog clutch is that for the change in length of the clamping element there is only a small amount of time.
  • this has a spring pin as a compression spring for holding a respective clamping element.
  • This spring pin prevents a clamping element from slipping out during removal, storage and installation of the adapter unit and is lost.
  • a respective clamping element may comprise a spring, which pulls a respective bolt into a recess in the adapter unit. If no clamping force is applied to a respective bolt from the outside, the spring force of the spring causes the clamping element to release the punching and / or stamping tool and this can be removed from the adapter unit.
  • the number of punching force transmission elements and optionally also their distribution is chosen such that a punching and / or embossing force is approximately evenly distributed over the surface of a crucible of the punching and / or -gargestation. So z. Eg the Line density of steel strips symmetrical evenly distributed over the maximum format, ie the nominal format of the punching and / or embossing station.
  • the at least one plate individually with
  • Stamping force transmission elements are equipped and this depending on the configuration of the punching and / or embossing tool used.
  • FIG. 1 is the basic structure of a sheet punching and embossing machine 100 for punching, breaking,directionalally and storing sheets of paper, cardboard and the like.
  • the punching and embossing machine 100 has a feeder 1, a punching station 2, a breaking station 3 and a boom 4, which are supported and enclosed by a common machine housing 5. From one side, the so-called operator side, the processing stations 2, 3, 4 are accessible; on the opposite side, the so-called drive side, is the drive train of the sheet punching and embossing machine 100.
  • the processing stations 2, 3, 4 and a sheet transport system 7 are driven by a main drive 17. The control of the machine and the various processing operations via a central machine control 15.
  • the sheets 6 are separated by a feeder 1 from a stack, aligned on the feed table 16, fed to the sheet transport system 7 and gripped by gripper bridges of a gripper carriage 8 grippers at its front edge and intermittently in the sheet transport direction B through the various stations 2, 3 and 4 the punching and embossing machine 100 pulled through.
  • the sheet transport system 7 has a plurality of gripper carriages 8, so that a plurality of sheets 6 can be processed simultaneously in the various stations 2, 3 and 4.
  • the gripper carriage 8 can be driven by a chain drive or in an alternative embodiment by an electromagnetic linear drive with traveling wave motors, such as in the DE 20 2007 012 349 U1 described.
  • the punching station 2 consists of a lower crucible, a so-called. Subtable 9, and an upper crucible, a so-called. Obertisch 10.
  • the upper table 10 is vertically reciprocally mounted and provided with an upper tool 30 with punching and Rillmessern.
  • the upper tool 30 is held by a quick-release frame, a so-called. Locking frame 31.
  • the lower table 9 is fixedly mounted in the machine frame and provided with a counter-plate 20 to the punching and Rillmessern. Alternatively, the upper table 10 fixed and the lower table 9 may be moved.
  • embossing tools in particular in the form of so-called embossing dies, are used instead of the punching and scoring tools.
  • hot foil can still be applied during the embossing process.
  • the gripper carriage 8 transports the sheet 6 from the punching and embossing station 2 in the subsequent breaking station 3, which is equipped with breakout tools 21, 23.
  • the breaking station 3 the waste pieces 11 which are not required are pushed out of the sheet 6 downward with the aid of the breaking-out tools 21, 23, whereby the waste pieces 11 fall into a carriage-like container 12 inserted below the station.
  • the boom 4 may also include a pallet 13, on which the individual sheets 6 are stacked in the form of a stack 14, so that after reaching a certain stack height, the pallet 13 can be moved away with the sheet stack 14 from the field of punching and embossing machine 100 , In order not to have to stop the machine 100 during the stack exchange, auxiliary stacking devices can be used.
  • the adapter unit 300 is received by a closing frame or quick release frame 31.
  • the outer dimensions of the adapter unit 300 correspond to the nominal size WF1 of the closing frame 31. That is, if no adapter unit 300 is received by the closing frame 31, an unillustrated upper tool 30 of the nominal size WF1 can be supported by the closing frame 31.
  • the adapter unit 300 is connected by screws to the base of the closing frame 31. Also, cylinders or similar elements may be provided (not shown), which clamp the adapter unit 300 in the context of the closing frame 31.
  • the U-shaped adapter unit 300 has a first recess 301, in which a tool 30 can be accommodated.
  • the adapter unit 300 has further recesses 302, in which plates 303 provided with punching force transmission elements 304 can be received.
  • the number of further recesses 302 depends on the area of the adapter unit 300 and its stability and is at the discretion of the person skilled in the art. In the Fig. 2 illustrated
  • Embodiment of the adapter unit 300 has seven such further recesses 302. In four of these recesses 302 plates 303 were used.
  • a respective plate 303 has a plurality of punching force transmission elements 304, which are formed in the illustrated embodiment by punching blades.
  • the plates 303 are held by locking elements 305.
  • the adapter unit 300 has a plurality of clamping elements 310, by means of which a clamping force applied by the closing frame 31 can be transmitted to a tool 30 located in the first recess 301. As indicated by dotted lines, a tool 30 of reduced format WF2 or even smaller format WF3 can be received in the first recess 301. A secure holding of a tool 30 of different format WF2, WF3 is ensured by a telescopic design of the clamping elements 310.
  • FIG. 3a Such a clamping element 310 is shown in more detail:
  • the bolt 317 of a clamping element 310 transmits a holding force F applied by the closing frame 31.
  • a respective bolt 317 consists of a manually rotatable adjusting bolt 317.1, which rests against the closing frame 31, and a clamping bolt 317.2 which engages on the Tool 30 is applied.
  • a groove 316 is introduced, in which engages a bolted to the adapter unit spring pin 306. This spring pin 306 prevents the clamping member 310 from slipping out of the adapter unit 300 while the adapter unit 300 is inserted into or taken out of the closing frame 31.
  • the clamping member 310 may further include a spring 311, as in Fig. 2 is shown, and which retracts a respective clamping bolt 317.2, while no holding force F is transmitted from the closing frame 31, in the adapter unit 300 and thus ensures that a tool 30 is released and can be removed.
  • the telescopic clamping element 310 must have a Experience length change 315.
  • the implementation of this change in length 315 is in the FIGS. 3b and 3c shown in more detail.
  • the clamping element 310 has for this purpose a dog clutch 312, the two coupling elements can be engaged with each other either in a first plane 314 or in a second plane 313.
  • the coupling elements of the dog clutch 312 engage each other in the first plane 314, and the clamping element 310 is adapted to clamp a reduced size tool WF2.
  • the clamping element 310 can safely clamp a tool 30 of still smaller format WF3, the clamping element 310 must be lengthened and undergo a change in length 315.
  • the adjusting bolt 317.1 is pulled out of the adapter unit 300 against the action of the spring pin 306, rotated by 90 ° and pushed back into the adapter unit 300 until the spring pin 306 engages in the groove 316.
  • the result of this change in length 315 of the clamping element 310 is in Fig. 3c shown.
  • the coupling elements of the dog clutch 312 are now engaged with each other in the second plane 313, whereby the clamping element 310 has been extended by the distance 315.
  • plates 303 can be used as described above in the recesses. It can either, as in Fig. 2 shown, only individual recesses 302 are provided with plates 303, or all recesses 302 are equipped with plates 303. In order to further optimize the distribution of the punching force over the surface WF1, the plates 303 can be individually equipped with punching force transmission elements 304 depending on the design of the tool 30. Alternatively, for the at least one further recess 302, a selection of plates 303 may be provided as shown in FIGS FIGS. 4a, b and c are shown by way of example. While the plate 303 in Fig. 4a has an average number of punching force transmission elements 304 has the plate according to Fig. 4b a much smaller number and the plate according to Fig. 4c a significantly higher number of punching force transmission elements.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Claims (10)

  1. Unité d'adaptateur (300) avec un premier évidement (301) pour un logement alternatif d'outils de découpe et/ou de gaufrage (30) de formats différents (WF2, WF3) dans un logement d'outils (31) d'un poste de découpe et/ou de gaufrage (2),
    comprenant une pluralité d'éléments de serrage téléscopiques (310) pour le maintien de l'outil de découpe et/ou de gaufrage (30), caractérisée en ce que,
    l'unité d'daptateur (300) présente au moins un évidement plus large (302) pour le logement d'une plaque (303) garnie d'éléments de transmission de force (304), et en ce qu'un autre évidement respectif (302) présente au moins un élément de blocage (305) pour le maintien de la plaque respective (303).
  2. Unité d'adpatateur selon la revendication 1,
    caractérisée en ce que
    celle-ci possède au moins une plaque (302) garnie d'éléments de transfert de force (304).
  3. Unité d'dadaptateur selon l'une des revendications précédentes, caractérisée en ce que pour les éléments de transfert de force (304), il s'agit de lames de découpe.
  4. Unité d'adaptateur selon l'une des revendications précédentes, caractérisée en ce que l'unité d'aptateur (300) est en forme de U.
  5. Unité d'adaptateur selon l'une des revendications précédentes, caractérisée en ce qu'un élément respectif de serrage (310) présente un boulon (317) pour le transfert d'une force de serrage (F).
  6. Unité d'adaptateur selon la revendication 5,
    caractérisée en ce qu'
    un élément respectif de serrage (310) est modifiable en longueur (315) entre une première longueur pour le serrage d'un outil de découpe et/ou de gaufrage (30) du premier format (WF2) et à une seconde longueur pour le serrage d'un outil de découpe et/ou de gaufrage (30) d'un second format (WF3).
  7. Unité d'adpatateur selon la revendication 1,
    caractérisée en ce qu'
    un élément respectif de serrage (310) présente un couplage de pince (312) avec deux plans (131, 314) pour la mise en oeuvre de la modification de la longueur (315).
  8. Unité d'adaptateur selon l'une des revendications 5 à 7, caractérisée en ce que l'unité d'adaptateur (300) présente pour le maintien d'un élément de serrage respectif (310) respectivement un axe de ressort (306) et/ou élément de serrage respectif (310) présente un ressort (311).
  9. Unité d'adaptateur selon l'une des revendications 2 à 8, caractérisée en ce que
    celle-ci possède un outil de découpe et/ou de gaufrage (30) et en ce que le nombre des éléments de transmission (304) dépend du nombre et de la répartition d'éléments actifs d'un outil de découpe et/ou de gaufrage (30) et est sélectionné de sorte qu'une force de découpe et /ou de gaufrage est répartie appproximativement de manière homogène sur la surface (WF1) d'un creuset (10) du poste de découpe et/ou de gaufrage (2)
  10. Unité d'adaptateur selon l'une des revendications précédentes, caractérisée en ce que pour le logement d'outil, il s'agit d'un cadre de fermeture (31) et en ce que l'outil de découpe et/ou de gaufrage (30) comprend un élément en plaque avec des lames de découpe et/ou des lames crantées et/ou des clichés de gaufrage.
EP11192031.0A 2011-01-19 2011-12-06 Unité d'adaptateur pour la réception d'outils d'estampillage Not-in-force EP2479011B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011008882A DE102011008882A1 (de) 2011-01-19 2011-01-19 Adaptereinheit zur Aufnahme von Stanzwerkzeugen

Publications (2)

Publication Number Publication Date
EP2479011A1 EP2479011A1 (fr) 2012-07-25
EP2479011B1 true EP2479011B1 (fr) 2013-08-28

Family

ID=45315565

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11192031.0A Not-in-force EP2479011B1 (fr) 2011-01-19 2011-12-06 Unité d'adaptateur pour la réception d'outils d'estampillage

Country Status (3)

Country Link
EP (1) EP2479011B1 (fr)
CN (1) CN102601825B (fr)
DE (1) DE102011008882A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105364994B (zh) * 2015-12-04 2017-07-18 江苏劲嘉新型包装材料有限公司 可调节式钢模切刀板
CN110466205B (zh) * 2019-09-12 2024-06-11 维达纸业（中国）有限公司 一种三路径压花设备及工艺

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3044083C2 (de) 1980-11-24 1990-05-10 Bobst S.A., Lausanne Stanzeinrichtungen für Stanzautomaten zum Stanzen von Bögen aus Papier, Pappe u. dgl.
CH652059A5 (fr) * 1983-04-22 1985-10-31 Bobst Sa Dispositif de centrage et de fixation d'un outil dans un support.
JPH01148295U (fr) * 1988-03-31 1989-10-13
DE19516074B4 (de) 1995-05-04 2005-12-22 Heidelberger Druckmaschinen Ag Vorrichtung zum Stanzen
DE19720753A1 (de) * 1997-05-07 1998-11-12 Schwerdtle & Schantz Gmbh Stanzwerkzeug
JPH1148295A (ja) * 1997-07-31 1999-02-23 Fuji Photo Film Co Ltd 磁気テープカセット用収納ケースおよび該収納ケースを成形する成形金型
DE10251780A1 (de) * 2002-11-05 2004-05-19 Heidelberger Druckmaschinen Ag Bogenstanz- und -prägemaschine
DE202007012349U1 (de) * 2006-07-26 2007-12-13 Heidelberger Druckmaschinen Ag Bogenstanz- und -prägemaschine mit Passerausrichtung

Also Published As

Publication number Publication date
EP2479011A1 (fr) 2012-07-25
CN102601825A (zh) 2012-07-25
DE102011008882A1 (de) 2012-07-19
CN102601825B (zh) 2015-10-14

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