EP1882565A2 - Procédé de döcoupe et presse de découpage et de rainurage - Google Patents

Procédé de döcoupe et presse de découpage et de rainurage Download PDF

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Publication number
EP1882565A2
EP1882565A2 EP07111102A EP07111102A EP1882565A2 EP 1882565 A2 EP1882565 A2 EP 1882565A2 EP 07111102 A EP07111102 A EP 07111102A EP 07111102 A EP07111102 A EP 07111102A EP 1882565 A2 EP1882565 A2 EP 1882565A2
Authority
EP
European Patent Office
Prior art keywords
punching
embossing machine
crucible
machine according
sheet punching
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Withdrawn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
EP07111102A
Other languages
German (de)
English (en)
Other versions
EP1882565A3 (fr
Inventor
Herbert Birzele
Günther DENUEL
David Ehrbar
Hendrik Frank
Reinhard Lappok
Michael Pasuch
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
Priority claimed from DE102007014315A external-priority patent/DE102007014315A1/de
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP1882565A2 publication Critical patent/EP1882565A2/fr
Publication of EP1882565A3 publication Critical patent/EP1882565A3/fr
Withdrawn legal-status Critical Current

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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
    • B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
    • 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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • 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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/02—Means for moving the cutting member into its operative position for cutting
    • 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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • 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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/086—Electric, magnetic, piezoelectric, electro-magnetic means
    • 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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/16—Cam means
    • 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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/18—Toggle-link means
    • 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
    • B26D7/20—Cutting beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/10—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism
    • B30B1/14—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism operated by cams, eccentrics, or cranks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/40—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by wedge means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/42—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by magnetic means, e.g. electromagnetic
    • 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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/14—Crank and pin means
    • 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
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0625—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by endless conveyors, e.g. belts
    • B26D7/0633—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by endless conveyors, e.g. belts by grippers

Definitions

  • the invention relates to a punching method according to the preamble of claim 1 and a sheet punching and embossing machine according to the preamble of claim 2.
  • punching the cutting is referred to with closed geometric blank forms that can be circular, oval or polygonal and imaginary shapes of all kinds.
  • 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 (vg. Postpress, training manual for bookbinders, Bundesvious Druck e. V. 1996, p. 351 ff .).
  • 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.
  • a punching station has two crucibles, also referred to as upper table and lower table.
  • One of the two tables is moved, the other fixed.
  • One table carries the punching tool with the punching knives, the other table the counter plate.
  • the moving table is movable back and forth perpendicular to the counterplate plane via a drive device. In the drive devices to distinguish between toggle drive and eccentric drive. If the upper table is the moving crucible, this is connected via a yoke to the machine frame.
  • the DE 30 44 083 C3 describes inter alia a punching machine with a driven by an eccentric gear top table. In order to obtain high quality products, the punching pressure in the sheet punching and embossing machine must be adjustable according to the sheet being processed.
  • a problem with the sheet punching machines known from the prior art is that when applying the punching force in the drive systems such as e.g. Knee lever systems or eccentric shaft systems high friction forces occur. These power losses must be compensated for by a higher performance of the drive systems. Further, the punching force is only partially adjustable due to the coupling of the drive system of the crucible with the drive of the sheet transport system.
  • the object of the present invention is to describe a method and a sheet punching and embossing machine which overcomes the disadvantages of the prior art, wherein the drive system of the crucibles of the sheet punching and embossing machine have lower losses and the punching force should be easily adjustable.
  • the inventive method for punching and / or pressing sheets of paper, cardboard and the like in a stamping or pressing station is done in two steps: In a first step, the crucibles are delivered to each other. In this case, the upper to the fixed lower, the lower to the fixed upper or both crucibles are delivered against each other.
  • the delivery is done by means of a first actuator unit.
  • a punching or pressing force is applied. This is done by a second actuator unit.
  • the delivery of the crucible means that the crucibles are from a first position in which they are spaced apart so that the gripper bars are aligned with the bow can move between the crucibles, are moved to a second position in which the crucibles are only minimally spaced from each other.
  • a sheet punching and embossing machine has a punching station with an upper and a lower crucible, also referred to as upper table and lower table.
  • the sheet punching and embossing machine can also have several corresponding punching stations.
  • Upper and / or lower crucible are connected to a first actuator unit and a second actuator unit.
  • the first actuator unit causes the delivery of the two crucibles and the second actuator unit serves to apply a punching or pressing force.
  • the sheet punching and embossing machine has at least two independent actuator units and a lower movable and an upper fixed crucible.
  • the movable lower crucible is deliverable to the upper crucible and above the upper crucible can be applied by means of a second actuator unit, a punching force.
  • the sheet punching and embossing machine has at least two independent actuator units, an upper movable crucible and a lower fixed crucible.
  • the upper crucible can be delivered to the lower crucible by means of a first actuator unit, and a punching force can be applied via the lower crucible by means of a second actuator unit.
  • the upper crucible can be delivered to the lower crucible by means of a first actuator unit and a punching force can be applied by means of a second actuator unit via the upper crucible.
  • a punching force can be applied by means of a second actuator unit via the upper crucible.
  • the first actuator unit can be designed in different variants.
  • the first actuator unit has driven, in particular motor-driven, eccentric shafts.
  • the eccentric shafts may be driven uniformly or non-uniformly.
  • the first actuator unit has a toggle lever system or a crankshaft drive.
  • the first actuator unit has a direct drive with servomotor.
  • the first actuator unit has a wedge gear with cam drive.
  • the first actuator unit has a pivoting lever mechanism with curve drive or crank drive.
  • the second actuator unit is integrated in a crucible.
  • the actuator unit can be integrated in the fixed crucible, in a second particularly advantageous embodiment variant in the moving crucible.
  • the second actuator unit can generate the punching force according to various physical principles.
  • the punching force is generated hydraulically.
  • the second actuator unit has for this purpose at least one hydraulic chamber and a hydraulic unit for supplying the hydraulic chamber.
  • the punching force is generated pneumatically.
  • the second actuator unit has at least one air chamber and a compressor for generating compressed air.
  • the punching force is generated mechanically by the second actuator unit.
  • the second actuator unit has, for example, an electric motor, which acts via an intermediate gear on the crucible, with which the punching force is applied.
  • the second actuator unit has a multiplicity of actuators distributed in matrix fashion over the punching area. These may be formed, for example, as a hydraulic cylinder, air cushion, piezo elements or magnetostrictive.
  • the actuators are individually controllable and allow a local variation of the punching force over the punching surface.
  • This preferred embodiment of the sheet punching and embossing machine also makes it possible to compensate for unevenness of the crucible and to adapt the punching force to the stamped image.
  • the sheet punching and embossing machine has separate drives of the sheet transport system and the individual processing stations.
  • the drive of the sheet transport system can be designed in particular as a linear drive.
  • FIG. 1 the basic structure of a sheet punching and embossing machine 100 for punching, breaking and depositing sheets of paper, cardboard and the like is shown.
  • 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.
  • the sheets 6 are separated by a feeder 1 from a stack, fed to the sheet transport system 7 and gripped by gripper carriage 8 grippers at its front edge and intermittently pulled in the sheet transport direction F through the various stations 2, 3 and 4 of the punching and embossing machine 100.
  • the punching station 2 consists of a lower table 9 and an upper table 10.
  • the upper table 10 is fixedly mounted in the machine frame and provided with a counter plate to the punching knife.
  • the lower table 9 is supported vertically movable back and forth.
  • the lower table 9 is delivered with a first actuator unit 22, designed here as an eccentric shaft gear, against the upper table 10 and by means of a second actuator unit 21, a punching force is applied.
  • 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.
  • the breaking station 3 the unwanted pieces of waste are pushed out of the sheet 6 downwards with the aid of the stripping tools, whereby the waste pieces 11 fall into a container-like carriage 12 inserted below the station.
  • the boom 4 may also include a pallet 13 on which the individual sheets in Shape of a stack 14 are stacked, so that after reaching a certain stack height, the pallets can be moved away with the stacked sheets 14 from the area of the punching and embossing machine 100.
  • FIG. 2a shows a detailed view of a punching station 2 of the sheet punching and embossing machine 100.
  • the upper table 10 and the lower table 9 are spaced apart by the distance a.
  • the lower table 9 is the fixed crucible
  • the upper table 10 is the crucible which can be delivered by means of a first actuator unit 22, here designed as a toggle mechanism, which executes the feed movement S.
  • the lower table 9 is fixedly connected to the machine housing 5 of the sheet punching and embossing machine 100.
  • the second actuator unit 20 Between the lower table 9 and the machine housing 5 is the second actuator unit 20.
  • This has an actuator 21 (not shown), or as shown here, several actuator elements 21.
  • the second actuator unit causes the punching stroke.
  • FIG. 2 b shows an exemplary embodiment in which the actuators 21 are distributed in a matrix-like manner over the base area of the punching crucible 9.
  • the actuators 21 can be individually controlled in the embodiment of FIG. 2a. The control is done via a controller 15th Also, the first actuator unit 22 and thus the feed movement S, ie the delivery of the upper table 10 to the lower table 9, is controlled by the controller 15.
  • the punching blades are connected to the upper table 10 by means of a tool frame. With the lower table 9 a counter-punching plate is connected.
  • the punching tool can be designed in a manner known to those skilled in the art. Also gripper carriage 8 and 6 sheets are not shown for clarity. Their position, however, results from FIG. 1.
  • actuators 21 are controlled by the controller 15, they act with a pressure force on the undertable 9 and the overlying counter-punching plate.
  • the undertable 9 and the counter-punching plate thereby experience a minimal movement and thus bring the punching pressure on the sheet 6 to be punched.
  • the actuators 21 can be embodied in various design variants. Three examples are shown in Figures 3a, 3b and 3c.
  • Fig. 3a shows a piezoelectric element 30, to which a voltage is applied, which causes a deformation of the piezoelectric crystals. The control of the piezoelectric element is done by the control of the voltage source.
  • the piezoelectric element 30 is designed so that the crystals expand mainly in the expansion direction b. The expansion of the piezocrystals in the direction perpendicular to the expansion direction b, however, is prevented by the composition and structural design of the piezoelectric element 30.
  • FIG. 3b shows a hydraulic chamber 31. This is connected via hose lines to a hydraulic unit 33. Between hydraulic unit 33 and hydraulic chamber 31 is a valve 32. This is controlled by the controller 15.
  • the hydraulic chamber 31 is structurally constructed so that an increase in the pressure in the hydraulic chamber 31 causes expansion of the actuator 21 in the expansion direction b.
  • an electromechanical adjusting device 36 is shown. This has a first wedge 36.1 and a second wedge 36.2. These slide on each other on their slanted surfaces.
  • the first and lower wedge 36.1 can be moved via a gear 35 by an electric motor 34 in the adjustment direction c.
  • the second and upper wedge 36.2 slides on the lower wedge 36.1 and is thus displaced in the adjustment direction d.
  • the control of the actuator 21 with electromechanical adjustment device 36 is done by the control of the electric motor 34th

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Making Paper Articles (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
EP07111102A 2006-07-26 2007-06-27 Procédé de döcoupe et presse de découpage et de rainurage Withdrawn EP1882565A3 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006034509 2006-07-26
DE102006034511 2006-07-26
DE102007014315A DE102007014315A1 (de) 2006-07-26 2007-03-26 Verfahren zum Stanzen und Bogenstanz- und -prägemaschine

Publications (2)

Publication Number Publication Date
EP1882565A2 true EP1882565A2 (fr) 2008-01-30
EP1882565A3 EP1882565A3 (fr) 2009-07-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07111102A Withdrawn EP1882565A3 (fr) 2006-07-26 2007-06-27 Procédé de döcoupe et presse de découpage et de rainurage

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EP (1) EP1882565A3 (fr)
DE (1) DE202007012350U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2754541B1 (fr) * 2013-01-10 2018-05-30 Masterwork Group Co., Ltd. Procédé de réglage de la force de compression d'une machine a poiçonner et estamper

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103182799A (zh) * 2013-04-08 2013-07-03 昆山市大昌机械制造有限公司 一种纸张压纹机
CN109227722B (zh) * 2018-10-24 2024-03-15 温州阿德沃自动化设备有限公司 一种冲切剪断一体装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB974660A (en) * 1961-02-15 1964-11-11 Samuel M Langston Co Machines for performing operations on sheet materials
US3724308A (en) * 1970-09-28 1973-04-03 Sauter Packaging Co Punch and die cutout station
GB2044659A (en) * 1979-03-27 1980-10-22 Sitpa Spa Cutting press for sheet materials
DE3044083A1 (de) * 1980-11-24 1982-09-09 Wupa-Maschinenfabrik GmbH, 4057 Brüggen Stanzeinrichtung
DE4039047A1 (de) * 1990-12-07 1992-06-11 Franz Knur Abdruckpresse
US5615592A (en) * 1995-02-01 1997-04-01 Tippmann; Dennis J. Leather cutting apparatus
DE20019775U1 (de) * 2000-05-17 2001-03-01 Leiner Gmbh Stanzvorrichtung
GB2405118A (en) * 2003-08-18 2005-02-23 Vai Ind Shear with actuating mechanism under tension

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB974660A (en) * 1961-02-15 1964-11-11 Samuel M Langston Co Machines for performing operations on sheet materials
US3724308A (en) * 1970-09-28 1973-04-03 Sauter Packaging Co Punch and die cutout station
GB2044659A (en) * 1979-03-27 1980-10-22 Sitpa Spa Cutting press for sheet materials
DE3044083A1 (de) * 1980-11-24 1982-09-09 Wupa-Maschinenfabrik GmbH, 4057 Brüggen Stanzeinrichtung
DE4039047A1 (de) * 1990-12-07 1992-06-11 Franz Knur Abdruckpresse
US5615592A (en) * 1995-02-01 1997-04-01 Tippmann; Dennis J. Leather cutting apparatus
DE20019775U1 (de) * 2000-05-17 2001-03-01 Leiner Gmbh Stanzvorrichtung
EP1155790A2 (fr) * 2000-05-17 2001-11-21 Leiner Gmbh Presse de découpage
GB2405118A (en) * 2003-08-18 2005-02-23 Vai Ind Shear with actuating mechanism under tension

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2754541B1 (fr) * 2013-01-10 2018-05-30 Masterwork Group Co., Ltd. Procédé de réglage de la force de compression d'une machine a poiçonner et estamper

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Publication number Publication date
DE202007012350U1 (de) 2007-12-13
EP1882565A3 (fr) 2009-07-01

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