EP2554345A1 - Station de découpage et/ou de cannelage dotée d'un cadre de fermeture actionné par air comprimé - Google Patents

Station de découpage et/ou de cannelage dotée d'un cadre de fermeture actionné par air comprimé Download PDF

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Publication number
EP2554345A1
EP2554345A1 EP12175038A EP12175038A EP2554345A1 EP 2554345 A1 EP2554345 A1 EP 2554345A1 EP 12175038 A EP12175038 A EP 12175038A EP 12175038 A EP12175038 A EP 12175038A EP 2554345 A1 EP2554345 A1 EP 2554345A1
Authority
EP
European Patent Office
Prior art keywords
punching
compressed air
sheet
embossing
closing frame
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.)
Granted
Application number
EP12175038A
Other languages
German (de)
English (en)
Other versions
EP2554345B1 (fr
Inventor
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.)
Masterwork Machinery Co Ltd
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 EP2554345A1 publication Critical patent/EP2554345A1/fr
Application granted granted Critical
Publication of EP2554345B1 publication Critical patent/EP2554345B1/fr
Active 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
    • B26F1/40—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
    • 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
    • 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
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
    • 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
    • B26F2001/4409—Cutters therefor; Dies therefor having die balancing or compensating means
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B50/142—Cutting, e.g. perforating, punching, slitting or trimming using presses or dies
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/25—Surface scoring
    • B31B50/252—Surface scoring using presses or dies
    • 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
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/88—Printing; Embossing
    • 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
    • B31F2201/0702—Embossing by tools working discontinuously

Definitions

  • the invention relates to a sheet punching and / or embossing station according to the preamble of claim 1 and a system comprising a flat bed sheet punching machine and a compressed air gun according to claim 9.
  • 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.
  • Plastic, film, paper, cardboard, cardboard or corrugated board packaging materials are mainly stamped 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 and the US 7,658,378 B2 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 device for a sheet punching and embossing machine is known.
  • the support plate is clamped by means of adjusting and retaining screws and roughly aligned.
  • the fine adjustment then takes place via the adjustment of stops in the mounting frame of the support plate.
  • an operator must manually tighten the adjustment and holding screws and also manually adjust the mounting frame until the support plate is clamped exactly aligned in the device.
  • the disadvantage of this is the time-consuming locking by means of screwing.
  • the US 7,329,220 B2 shows a sheet punching and embossing machine with a device for punching benefits from sheets, with a frame for receiving a equipped with punching and grooved blades support plate which is clamped in the frame by means of hydraulically operated clamping elements, wherein the hydraulic pressure for clamping in the hydraulic system is constructed by a piston which is supported by a mechanical spring.
  • a disadvantage of the use of hydraulics is that a complex sealing of the hydraulic lines is required. This is particularly difficult because of the lifting movement of the tool. If leakage occurs and the sheet punching and embossing machine produces products for the food industry, the products can not be used even with only minor contamination.
  • Object of the present invention is to provide a Bogenstanz- and / or -gargestation which allows a simple construction and ease of use secure clamping a punching and / or embossing tool and thereby avoids the disadvantages of the known from the prior art clamping devices.
  • the sheet punching and / or -gargestation invention for a flat-bed sheet punching machine with an upper crucible and a lower crucible, wherein one of the two crucibles is moved , Has a closing frame, which is connected to the upper crucible, and holds a punching and / or embossing tool.
  • a respective sheet is moved through in a sheet transport direction between the crucibles.
  • the closing frame has a spring clamping device, for example with spiral compression springs, for permanent clamping of the punching and / or embossing tool and furthermore a pneumatic device for canceling the clamping of the punching and / or embossing tool.
  • the pneumatic device has one of outside the sheet punching and / or embossing station accessible compressed air supply inlet for temporary supply of compressed air. This has the advantage that only a force must be applied from the outside when the clamping of the tool is to be canceled. Another advantage is that the use of compressed air, in contrast to a hydraulic fluid is not critical with respect to the processing of food packaging.
  • the sheet punching and / or -gargestation invention has no permanent compressed air supply, but on the compressed air supply input only a short time compressed air is supplied, which then acts in the pneumatic device.
  • a short time compressed air is supplied, which then acts in the pneumatic device.
  • a respective spring clamping device each with at least pneumatic, e.g. a pneumatic cylinder or a piston-free pneumatic drive such as a pneumatic rail - hereinafter referred to briefly as a pneumatic cylinder - in an operative connection, wherein a respective pneumatic cylinder is part of the pneumatic device.
  • the respective at least one pneumatic cylinder can thus counteract the spring force of the spring clamping device, so that the clamping of the tool can be canceled.
  • the closing frame has at least one first spring clamping device for clamping the punching and / or embossing tool in the sheet transport direction and at least one second spring clamping device for clamping the punching and / or embossing tool perpendicular to the sheet transport direction.
  • the at least first and at least second spring clamping device is assigned in each case one connected to the compressed air supply inlet air duct.
  • a respective air channel connects the compressed air supply input to the pneumatic cylinders associated with a respective first and second spring clamping device. Since each spring clamp is connected to the compressed air supply input, in Advantageously, by applying compressed air, the clamping of the tool quickly solved and the handling when changing tools are kept simple.
  • each air duct has a check valve. As a result, the pressure in the air ducts and the pneumatic cylinders is maintained.
  • each air duct has a controllable throttle valve connected to the environment for reducing the pressure in the respective air duct.
  • the closing frame of the sheet punching and / or embossing station has mechanical adjusting elements, in particular adjusting screws for additional adjustment of the punching and / or embossing tool in the closing frame.
  • the closing frame of the sheet punching and / or embossing station has a centering element for centering the punching and / or embossing tool in the sense of aligning the tool perpendicular to the sheet transport direction.
  • the invention also relates to a system comprising a flatbed sheet punching machine with a sheet punching and / or embossing station as described above and further a compressed air reservoir and / or a compressed air generator and a hand-operated pneumatic gun connected to the compressed air reservoir or the compressed air generator.
  • a compressed air can be introduced into the pneumatic device of the closing frame.
  • FIG. 1 the basic structure of a sheet punching and embossing machine 100 for punching, breaking,directionalally storing sheets of paper, cardboard, plastic 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 with storage and depaneling station, which are supported and enclosed by a common machine housing 5 and driven by a main drive 17. 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, there is the drive train of the sheet punching and embossing machine 100.
  • a machine control 15 controls the processes within the punching machine 100.
  • the sheets 6 are separated by a feeder 1 from a stack, fed to the sheet transport system 7 and gripped by gripper bars 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 of the punching and embossing machine 100th pulled.
  • 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 sheet punching and / or embossing station 2 consists of a lower crucible, a so-called. Under table 9, and an upper crucible, a so-called. Obertisch 10.
  • the upper table 10 is mounted vertically reciprocable and with an upper tool 30 with punching - and Rillmessern provided.
  • the upper tool has a in the Fig. 2a and 2b closer frame 31 shown with a punching plate 32.
  • the lower table 9 is fixedly mounted in the machine frame and provided with a counter-plate 20 to the punching and scoring knives. 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.
  • 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 sheet 6 enters the boom 4, where the sheet 6 is either simply stored, or at the same time there is a separation of the individual benefits of each sheet 6.
  • the boom 4 has a
  • the boom 4 may also include a pallet 13, on the the individual sheets 6 or benefits 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 area of the punching and embossing machine 100.
  • auxiliary stacking devices can be used.
  • FIG. 2a a punching tool 30 is shown with a compressed air supply input 40.
  • a compressed air gun 80 In the compressed air supply input 40, a compressed air gun 80, more precisely the tip of the compressed air gun 80, engage and thus a compressed air are introduced into the punching tool 30.
  • the compressed air gun 80 is connected via air lines 81 to a compressed air reservoir 82.
  • the compressed air reservoir 82 may be connected to a compressed air generator 83.
  • the compressed air gun 80 could be directly connected to a compressed air generator 83.
  • FIG. 2b shows a punching tool 30 with its various components: a punching plate 32 with punching blades is held in a closing frame 31.
  • the clamping of the punching plate 32 takes place by spring clamping devices 33.
  • two spring clamping devices 33 are provided, which clamp the punching plate 32 in the sheet transport direction B, as well as two spring clamping devices 33 are provided which clamp the punching plate 32 transversely to the sheet transport direction B.
  • the spring clamping devices 33 have in the illustrated embodiment, two compression coil springs 33.1, which press a clamping plate 36 against the punching plate 32.
  • a respective spring clamping device 33 has pneumatic cylinder 33.2, which counteract in their active position of the spring clamping force, ie cancel the clamping action of the spring clamping device 33.
  • the pneumatic cylinders 33.2 are connected to compressed air channels 39.1 and 39.2. There is a first channel 39.1, which supplies the located in the sheet transport direction B pneumatic cylinder 33.2 with compressed air. Next there is a second channel 39.2, which supplies the two transverse to the sheet transport direction B pneumatic cylinder 33.2 with compressed air. Both channels 39.1 and 39.2 terminate at the compressed air supply input 40 and can be acted upon by compressed air. Between the compressed air supply inlet 40 and a first pneumatic cylinder 33.2 is in a respective channel 39.1 or 39.2 a check valve 34.1 and 34.2 is provided, which holds the introduced into the channel system 39.1, 39.2 compressed air in the channel system and thus maintains the pressure acting on the pneumatic cylinder 33.2 pressure.
  • a centering element 37 is attached to the closing frame 31.
  • the machine operator inserts the tip of the compressed air gun 80 into the compressed air supply inlet 40 and, by actuating the compressed air gun 80, introduces compressed air into the channels 39.1, 39.2.
  • This introduced compressed air causes the pneumatic cylinder 33.2 to be activated, counteract the spring force of the springs 33.1 and move the clamping plates 36 away from the punching plate 32 onto the closing frame 31.
  • the clamping of the punching plate 32 is released and the punching plate 32 can be removed by the machine operator and replaced by another punching plate 32.
  • valves 35.1, 35.2 are provided in the channels 39.1, 39.2 in order to discharge the compressed air.
  • the valves 35.1 and 35.2 can be controlled individually, so that first the first valve 35.1 can be controlled and the pressure in the first channel 39.1 can be reduced.
  • the associated pneumatic cylinder 33.1 lose their effect and the punching plate 32 is clamped in the sheet transport direction B due to the spring clamping force of the spring clamping device 33.
  • the second valve 35.2 is controlled and the compressed air in the second channel 39.2 degraded, so that in this case the associated pneumatic cylinder 33.2 lose their effectiveness and the punching plate 32 is also clamped transversely to the sheet transport direction B due to the spring clamping force of the spring clamps 33.
  • adjusting screws 38 are provided in the closing frame 31, which can exert an additional force on the punching plate 32. In the in FIG. 2b shown situation, the adjusting screws 38 are not used.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Making Paper Articles (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Details Of Cutting Devices (AREA)
EP12175038.4A 2011-08-01 2012-07-05 Station de découpage et/ou de cannelage dotée d'un cadre de fermeture actionné par air comprimé Active EP2554345B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011109085A DE102011109085A1 (de) 2011-08-01 2011-08-01 Bogenstanz- und/oder - prägestation mit druckluftbetätigtem Schließrahmen

Publications (2)

Publication Number Publication Date
EP2554345A1 true EP2554345A1 (fr) 2013-02-06
EP2554345B1 EP2554345B1 (fr) 2016-01-20

Family

ID=46456442

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12175038.4A Active EP2554345B1 (fr) 2011-08-01 2012-07-05 Station de découpage et/ou de cannelage dotée d'un cadre de fermeture actionné par air comprimé

Country Status (5)

Country Link
EP (1) EP2554345B1 (fr)
CN (1) CN102909749B (fr)
DE (1) DE102011109085A1 (fr)
ES (1) ES2562710T3 (fr)
TW (1) TWI579128B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3401067A1 (fr) * 2017-05-11 2018-11-14 Digital Packaging Service GmbH Châssis de fermeture et contre-châssis de poinçonnage pour un dispositif de poinçonnage

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104552454A (zh) * 2013-10-10 2015-04-29 宁夏琪凯节能设备有限公司 一种节能型模切机
CN103538109A (zh) * 2013-11-05 2014-01-29 宁夏新航能源环境科技有限公司 一种节能型模切机

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3044083A1 (de) 1980-11-24 1982-09-09 Wupa-Maschinenfabrik GmbH, 4057 Brüggen Stanzeinrichtung
DE19516073A1 (de) 1995-05-04 1996-11-07 Wupa Maschinen & Service Gmbh Vorrichtung zum Stanzen von Nutzen aus Bögen
US20040144228A1 (en) * 2000-05-17 2004-07-29 Helmut Gross Device for die cutting a stack consisting of sheet-type materials
EP1506849A1 (fr) * 2003-08-11 2005-02-16 Carl Manufacturing Co., Ltd. Perforateur
DE202007012349U1 (de) 2006-07-26 2007-12-13 Heidelberger Druckmaschinen Ag Bogenstanz- und -prägemaschine mit Passerausrichtung
US7329220B2 (en) 2002-11-05 2008-02-12 Heidelberger Druckmaschinen Ag Sheet punching and embossing machine
US7658378B2 (en) 2007-01-15 2010-02-09 Heidelberger Druckmaschinen Ag Apparatus and method for aligning sheet stacks and sheet processing machine having the apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1134880B (de) * 1961-05-24 1962-08-16 Floseal Corp Werkzeug zum Stanzen und Rillen von Zuschnitten fuer Faltschachteln
CH652059A5 (fr) * 1983-04-22 1985-10-31 Bobst Sa Dispositif de centrage et de fixation d'un outil dans un support.
US4963126A (en) * 1989-05-05 1990-10-16 Adolph Coors Company Method and apparatus for forming carton blanks
DE9016176U1 (de) * 1990-11-28 1991-02-28 Drössert Maschinenbau GmbH, 4030 Ratingen Schließrahmen für einen Stanztiegel
JP2919158B2 (ja) * 1992-02-10 1999-07-12 キヤノン株式会社 基板保持装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3044083A1 (de) 1980-11-24 1982-09-09 Wupa-Maschinenfabrik GmbH, 4057 Brüggen Stanzeinrichtung
DE19516073A1 (de) 1995-05-04 1996-11-07 Wupa Maschinen & Service Gmbh Vorrichtung zum Stanzen von Nutzen aus Bögen
US20040144228A1 (en) * 2000-05-17 2004-07-29 Helmut Gross Device for die cutting a stack consisting of sheet-type materials
US7329220B2 (en) 2002-11-05 2008-02-12 Heidelberger Druckmaschinen Ag Sheet punching and embossing machine
EP1506849A1 (fr) * 2003-08-11 2005-02-16 Carl Manufacturing Co., Ltd. Perforateur
DE202007012349U1 (de) 2006-07-26 2007-12-13 Heidelberger Druckmaschinen Ag Bogenstanz- und -prägemaschine mit Passerausrichtung
US7658378B2 (en) 2007-01-15 2010-02-09 Heidelberger Druckmaschinen Ag Apparatus and method for aligning sheet stacks and sheet processing machine having the apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3401067A1 (fr) * 2017-05-11 2018-11-14 Digital Packaging Service GmbH Châssis de fermeture et contre-châssis de poinçonnage pour un dispositif de poinçonnage

Also Published As

Publication number Publication date
TWI579128B (zh) 2017-04-21
CN102909749A (zh) 2013-02-06
DE102011109085A1 (de) 2013-02-07
ES2562710T3 (es) 2016-03-07
TW201307021A (zh) 2013-02-16
CN102909749B (zh) 2016-08-03
EP2554345B1 (fr) 2016-01-20

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