EP2628577A1 - Dispositif de remplacement de l'outil supérieur d'une estampilleuse - Google Patents

Dispositif de remplacement de l'outil supérieur d'une estampilleuse Download PDF

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Publication number
EP2628577A1
EP2628577A1 EP13153729.2A EP13153729A EP2628577A1 EP 2628577 A1 EP2628577 A1 EP 2628577A1 EP 13153729 A EP13153729 A EP 13153729A EP 2628577 A1 EP2628577 A1 EP 2628577A1
Authority
EP
European Patent Office
Prior art keywords
changing
brake
upper tool
locking unit
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.)
Granted
Application number
EP13153729.2A
Other languages
German (de)
English (en)
Other versions
EP2628577B1 (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 Group 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 EP2628577A1 publication Critical patent/EP2628577A1/fr
Application granted granted Critical
Publication of EP2628577B1 publication Critical patent/EP2628577B1/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
    • 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
    • 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
    • B26D7/27—Means for performing other operations combined with 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
    • 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

Definitions

  • the invention relates to a device for changing the upper tool of a punching and / or stamping station according to the preamble of claim 1.
  • 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 or 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 well-known flatbed sheet punching machine which from the DE 37 12 510 A1 is known, is additionally equipped with a handling device to facilitate an operator tool change at the individual processing stations of the punching machine.
  • the handling device is designed here as a semi-automatic lifting device, which is arranged on the operating platform of the machine and movable along it. The operator has the option of positioning the handling device at each of the processing stations and then extending a lifting fork to grip and position a tool.
  • the handling device is associated with a tool magazine, from which the tools removed or in which the tools no longer required can be stored. The tool magazine can be moved together with the handling device and in particular can be moved out of the operating range of the machine when it is not needed.
  • the DE 694 02 653 T2 describes a method for replacing punching tools in a crucible punch by means of a sliding carriage and the structure of this car.
  • the chassis of the car is located below a pedestal on the operator side of the crucible punch; Above the pedestal is a device for receiving a punching tool to be changed.
  • the receptacle is rotatable so that a punching tool can be provided in a horizontal position for tool change.
  • the mobility of the carriage ensures that the carriage can be moved from an outermost position on the edge of the pedestal to a transfer position directly in front of the punching station of the crucible punch.
  • friction brakes are used, which permanently act on the rotatable tool holder.
  • the machine operator must therefore work against the force of the friction brake during handling.
  • the locking of the tool holder in one of the two horizontal layers by means of locking bolts or similar. Means. These must be manually removed by the machine operator before twisting the tool holder.
  • Object of the present invention is therefore to provide a device for changing the upper tool of a punching and / or stamping station, which allows easier handling with greater security for the machine operator.
  • the inventive device for changing the upper tool of a punching and / or stamping station of a flat bed sheet punching and / or embossing machine is for the change process of the upper tool immediately adjacent to a punching and / or embossing station of the flat-sheet Bogenstanz- and / or Positionable embossing machine.
  • the device has a rotatable tool holder for receiving and providing the upper tool in a substantially horizontal deployment plane.
  • the upper tool can be a punching tool, scoring tool, stamping tool or combined tool with several punching, creasing and stamping functions. Two tools can be accommodated in the tool holder at the same time, one of the two tools being brought into the horizontal provisioning plane by the rotation of the tool holder.
  • the device for changing the upper tool has a braking and locking unit, a transmission system and an actuating button.
  • the braking and locking unit is advantageously designed such that it prevents or at least restricts the rotational mobility of the tool holder.
  • the transmission system is disposed between the operating knob and the braking and locking unit and serves to transmit a force from the operating knob on the brake and locking unit.
  • the actuating button is spaced from the brake and locking arranged in an ergonomic position. The actuation of the actuating button by the machine operator lifts the effect of the braking and locking unit.
  • the actuating button can be positioned in particular easily accessible to the tool holder and in particular in a rotary handle be integrated to rotate the tool holder.
  • the braking and locking unit acts on the tool holder by braking or arresting it completely when predetermined locking positions are reached. This significantly reduces the risk of injury to the machine operator while changing the upper tool.
  • the transmission system has an actuator, wherein the actuator cancels the action of the braking and locking unit.
  • This actuator can be controlled in particular by the operating knob.
  • the brake and locking unit may have a brake disc and at least one brake pad, wherein the at least one brake pad acts on the brake disc.
  • the brake disc can be connected to the tool holder and be rotatable together with the tool holder. The brake pad then causes a deceleration of the brake disc and thus the tool holder during its rotational movement.
  • the brake disc has at least two latching notches, which may be introduced, for example, on the circumference of the brake disc, and in which the at least one brake pad can engage. These latching notches cause the brake disk to lock.
  • the brake disc is connected to the tool holder and is rotatable together with this, the locking of the brake disc simultaneously causes a locking of the tool holder.
  • the brake disc is a circular disc, then two engagement notches can be arranged diametrically opposite one another on the circumference of the circular disc. After a rotational movement of the tool holder and thus the brake disc by 180 °, the brake pad engages in the latching notch and can thus position and lock the tool holder so that the tool is provided in the deployment plane.
  • the brake and locking unit has a spring, wherein the spring presses the at least one brake pad against the brake disc.
  • the actuator can act on the at least one brake pad and lift it off the brake disc. By actuating the actuating button of the actuator is driven, the actuator lifts the brake pad of the brake disc and the effect of the brake and locking unit is thereby canceled.
  • the effect of the brake and locking unit remains only as long as canceled, as the operator presses the operating button.
  • the operating knob is simultaneously designed as a rotary handle, so that the machine operator by gripping the rotary handle causes both the rotational movement of the tool holder and the actuation button is actuated, thus canceling the action of the brake and locking.
  • the braking and locking unit acts immediately and an uncontrolled and dangerous for the machine operator further movement of the tool holder is prevented.
  • the transmission system for transmitting the force from the actuating button to the brake and locking unit is designed mechanically.
  • the transmission system is designed so that there is no direct mechanical connection between the actuating button and the brake and locking unit.
  • the actuator is advantageously designed as a controllable electric motor.
  • the transmission system has a fluid system.
  • the fluid system can be designed as a hydraulic system.
  • the design is preferred as a pneumatic system, wherein the actuator is then designed in particular as a pneumatic cylinder.
  • this has two braking and locking units, wherein a respective braking and locking unit is arranged at a respective end of the axis of rotation of the tool holder.
  • FIG. 1 the basic structure of a sheet punching and embossing machine 100 for punching, breaking, depaneling and storing 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. From one side, the so-called operator side, the processing stations 2, 3, 4 are accessible via a walk-on platform 5.1; on the opposite side, the so-called drive side, there is the drive train of the sheet punching and embossing 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 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.
  • 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 movable back and forth h and provided with a tool 30 with punching and Rillmessern.
  • the upper table 10 is driven by a drive 2.1.
  • a device not shown here, for changing the upper tool 40. However, this can be as in Fig. 2 be shown represented.
  • the lower table 9 is fixedly mounted in the machine frame 5 and provided with a counter-plate 20 to the punching and Rillmessern.
  • 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.
  • the break-out station 3 the unwanted pieces of waste are pushed out of the sheet 6 downwards by means of the break-off tools, 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 ,
  • FIG. 2 shows by way of example a device 40 for changing the upper tool: the device 40 stands on the machine foundation 200 and has arms 47, which by a mounted in front of a sheet punching machine 100 podium 5.1, as a gallery designated, protrude through. At the upper ends of the arms 47, the device 40 has two tool holders 45.
  • a respective tool holder 45 is formed by rails 45.1, in which a in Fig. 3 not shown upper tool can be inserted.
  • a respective rail 45.1 far on a plurality of rollers 45.2, on which an unillustrated upper tool can be moved with low friction.
  • the upper tool holder 45 is located in a supply plane r, from which an upper tool (not shown) can be transferred to a punching and / or stamping station 2 of a punching machine 100.
  • an upper tool (not shown) can be transferred to a punching and / or stamping station 2 of a punching machine 100.
  • the unit of the two tool holders 45 is rotated by 180 °, as indicated by the double arrow d.
  • a securing element designed here as a locking pin 45.3, is provided in each tool holder 45. This is manually operated.
  • the tool holder 45 can be variable in its height level h ', for example, moved by the motor 42.1, which as height compensation drive
  • Fig. 3 shows the device for changing the upper tool 40, a so-called frame holder changer in a detailed view.
  • a rotary handle 401 is mounted with actuator button 406.
  • a braking and locking unit 408 is arranged between the pivot arms 47 and the tool holder 45.
  • the brake and locking unit 408 has a brake and indexing disk 405, on which a brake pad 403 acts.
  • the brake pad 403 is connected to a locking lever 402, which is acted upon by a spring 409, so that the brake pad 403 acts on the brake and indexing disk 405.
  • the action of the spring 409 can be canceled by an actuator, here designed as a pneumatic cylinder 404.
  • a pneumatic system 410 is provided with a connecting line from the actuating button 406 to the pneumatic cylinder 404.
  • the pneumatic cylinder 404 is thus actuated, which deflects the lever 402 against the action of the spring 409, so that the brake pad 403 can no longer act on the brake disk 405.
  • Switching disc 405 has, as shown, two latching notches 407, which are arranged diametrically opposite to the circumference of the brake and shift plate 105. In this latching notches 407, the brake pad 403 can engage and thus prevent rotation of the brake and switching disc 405.
  • the two latching notches 407 thus represent switching positions of the brake and indexing disk 405, in which a rotation of the tool holder 45 is not possible.
  • the brake and indexing disc is currently in the locked state. In order to rotate the tool holder 45 and to be able to perform a change of the upper tools 10.1, the locking of the brake and indexing disk 405 by disengagement of the brake pad 403 must be repealed by pressing the operating knob 406.
  • the latching positions defined by the latching notches 407 are selected such that in each case one of the two guide rails 45.1 and thus one of the two upper tools 10.1, which are received in the guide rails 45.1, are in the supply level r and thus a tool 30 of the device 40 for Changing the upper tool in the punching and / or stamping station 2 of the punching machine 100 can be transferred.

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  • 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)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP13153729.2A 2012-02-14 2013-02-01 Dispositif de remplacement de l'outil supérieur d'une estampilleuse Active EP2628577B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012002899A DE102012002899A1 (de) 2012-02-14 2012-02-14 Vorrichtung zum Wechseln des Oberwerkzeugs einer Stanzmaschine

Publications (2)

Publication Number Publication Date
EP2628577A1 true EP2628577A1 (fr) 2013-08-21
EP2628577B1 EP2628577B1 (fr) 2020-10-21

Family

ID=47681739

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13153729.2A Active EP2628577B1 (fr) 2012-02-14 2013-02-01 Dispositif de remplacement de l'outil supérieur d'une estampilleuse

Country Status (3)

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EP (1) EP2628577B1 (fr)
CN (1) CN103252810B (fr)
DE (1) DE102012002899A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012019185B4 (de) 2012-09-28 2015-02-12 Audi Ag Verfahren und System zum Ermitteln einer Mobilfunknetzqualität und Laden von Mobilfunkdaten
CN111922214B (zh) * 2020-07-09 2022-03-11 常州睿纯佳金属制品有限公司 一种用于光伏组件框架的一体式冲压设备

Citations (9)

* 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
DE3712510A1 (de) 1986-04-14 1987-10-15 Bobst Sa Handhabungseinrichtung zum wechseln der werkzeuge einer stanzpresse
DE3590391C2 (fr) * 1984-08-21 1991-04-18 Bobst S.A., Lausanne, Ch
DE69402653T2 (de) 1993-09-22 1997-10-02 Bobst Sa Verfahren zum Austauschen von Stanzwerkzeugen in einer Plattenpresse sowie Vorrichtung zur Durchführung des Verfahrens
DE69506031T2 (de) 1994-05-20 1999-05-20 Bobst Sa Wechselvorrichtung für die Werkzeuge einer Schneidvorrichtung
EP1614908A2 (fr) * 2004-07-05 2006-01-11 Camozzi S.p.A. Vérin avec course réglable
DE102005057914A1 (de) * 2005-12-02 2007-01-11 Alfmeier Präzision AG Baugruppen und Systemlösungen Pneumatischer oder hydraulischer Aktuator
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
EP2412497A1 (fr) * 2010-07-29 2012-02-01 Heidelberger Druckmaschinen AG Dispositif et procédé destinés à changer l'outil supérieur d'un poste de coupe par estampage pour une machine à estamper des cintres

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2324755B (en) * 1997-05-01 2001-02-14 Tradewise Engineering Ltd Device for converting punch changing in punching machines from manual to quick and automatic
CN2570019Y (zh) * 2002-08-30 2003-09-03 天津市天锻压力机有限公司 用于小型液压机上的快速换模装置
DE202004018151U1 (de) * 2004-11-23 2005-01-20 Karl Marbach Gmbh & Co. Kg Verarbeitungsanlage zum Stanzen von Zuschnitten aus einem Bogen
DE102010024274A1 (de) * 2010-06-18 2011-12-22 Heidelberger Druckmaschinen Ag Stanz- und/oder Prägestation einer Bogenstanzmaschine

Patent Citations (9)

* 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
DE3590391C2 (fr) * 1984-08-21 1991-04-18 Bobst S.A., Lausanne, Ch
DE3712510A1 (de) 1986-04-14 1987-10-15 Bobst Sa Handhabungseinrichtung zum wechseln der werkzeuge einer stanzpresse
DE69402653T2 (de) 1993-09-22 1997-10-02 Bobst Sa Verfahren zum Austauschen von Stanzwerkzeugen in einer Plattenpresse sowie Vorrichtung zur Durchführung des Verfahrens
DE69506031T2 (de) 1994-05-20 1999-05-20 Bobst Sa Wechselvorrichtung für die Werkzeuge einer Schneidvorrichtung
EP1614908A2 (fr) * 2004-07-05 2006-01-11 Camozzi S.p.A. Vérin avec course réglable
DE102005057914A1 (de) * 2005-12-02 2007-01-11 Alfmeier Präzision AG Baugruppen und Systemlösungen Pneumatischer oder hydraulischer Aktuator
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
EP2412497A1 (fr) * 2010-07-29 2012-02-01 Heidelberger Druckmaschinen AG Dispositif et procédé destinés à changer l'outil supérieur d'un poste de coupe par estampage pour une machine à estamper des cintres

Also Published As

Publication number Publication date
CN103252810B (zh) 2016-04-06
CN103252810A (zh) 2013-08-21
EP2628577B1 (fr) 2020-10-21
DE102012002899A1 (de) 2013-08-14

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