EP2123412A1 - Machine de coupe destinée à la coupe de articles empilés, en forme de feuilles, et procédé - Google Patents

Machine de coupe destinée à la coupe de articles empilés, en forme de feuilles, et procédé Download PDF

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Publication number
EP2123412A1
EP2123412A1 EP08009354A EP08009354A EP2123412A1 EP 2123412 A1 EP2123412 A1 EP 2123412A1 EP 08009354 A EP08009354 A EP 08009354A EP 08009354 A EP08009354 A EP 08009354A EP 2123412 A1 EP2123412 A1 EP 2123412A1
Authority
EP
European Patent Office
Prior art keywords
pressing
cutting
cut
cutting machine
feed device
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
EP08009354A
Other languages
German (de)
English (en)
Other versions
EP2123412B1 (fr
Inventor
Gerhard Becker
Gerhard Thoma
Michael Weiss
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.)
Adolf Mohr Maschinenfabrik GmbH and Co KG
Original Assignee
Adolf Mohr Maschinenfabrik GmbH and Co KG
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 Adolf Mohr Maschinenfabrik GmbH and Co KG filed Critical Adolf Mohr Maschinenfabrik GmbH and Co KG
Priority to EP20080009354 priority Critical patent/EP2123412B1/fr
Publication of EP2123412A1 publication Critical patent/EP2123412A1/fr
Application granted granted Critical
Publication of EP2123412B1 publication Critical patent/EP2123412B1/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
    • 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
    • B26D7/01—Means for holding or positioning work
    • B26D7/02—Means for holding or positioning work with clamping means
    • B26D7/025—Means for holding or positioning work with clamping means acting upon planar surfaces
    • 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
    • B26D7/01—Means for holding or positioning work
    • B26D7/015—Means for holding or positioning work for sheet material or piles of sheets
    • B26D7/016—Back gauges

Definitions

  • the invention relates to a cutting machine for cutting stacked, sheet-like Good, with a table with a table surface for receiving the material to be cut, a perpendicular to the table surface movable Cutting knife for cutting the Guts, a feed device for moving the material to be cut on the table in the direction of the cutting plane defined by the cutting blade, and a movable perpendicular to the table surface pressing device for clamping the material to be cut adjacent to the cutting plane between the pressing device and the table, said the pressing device extends substantially across the width of the table.
  • the invention further relates to a method for operating such a cutting machine.
  • a cutting machine of the type mentioned is for example from the EP 56 874 A2 known.
  • the cutting blade is moved in a pulling section through the material to be cut, thus with a substantially vertical component, which is superimposed by a horizontal component of movement.
  • said pressing device is designed as a pressing bar.
  • This pressing beam extends essentially over the width of the table and only over a relatively small extent from the cutting plane in the direction of the feed saddle, based on the longitudinal extent of the table. As a result, the material to be cut is pressed only in this area.
  • the object of the present invention is to provide a cutting machine and a method for cutting stacked, sheet-like material, which allows edge-precise cutting of stacked material.
  • the pressing device has a planar pressing element for clamping the material to be cut, wherein the pressing element, based on the most distant to the cutting plane position of the feed device extends at least to the feed device.
  • the pressing force of the flat pressing element distributed over the entire below the pressing element arranged stacking surface, so that the stack can not deform. It is thus ensured that the individual sheets, in particular the top sheets of the stack, can not be detached from the feed device. Both before pressing the stack and during the Section, further after pressing the stack, the stack is cuboid. In this way, it is ensured that sheet layers printed with labels can be cut cleanly, thus avoiding being cut into the labels. This applies in particular if the material of the plastic films that is quite problematic for processing is present.
  • the pressing element is designed as a plate, whereby this plate rests over the entire plate surface on the upper arc of the stack.
  • the plate is designed as a perforated plate.
  • the various holes provided in the plate ensure that the plate can be lifted off the stack without leaves adhering to the plate.
  • the holes in the plate ensure that the top sheet of the stack is vented relative to the plate.
  • the pressing element In principle, it would be sufficient to move the pressing element exclusively perpendicular to the table surface, so as to achieve the clamping of the stack between the pressing element and the table surface. However, it is considered advantageous if the pressing element is movable vertically and parallel to the table surface. This makes it possible, in particular, to operate the cutting machine on the one hand with the pressing device according to the invention with the flat pressing element, on the other hand in a conventional manner by means of a pressing bar, which is arranged exclusively adjacent to the cutting blade.
  • the operation exclusively by means of the press beam is indicated when the material to be cut is unproblematic, for example, cardboard must be cut and consequently no shifting of the sheet layers is to be feared.
  • the pressing device in a Machine-mounted frame mounted device for the process, in particular guided method of the pressing element perpendicular and / or parallel to the table surface.
  • the machine-fixed frame is designed as a portal frame, which extends above the table and in which the cutting blade is mounted. This portal frame also serves to support the table and the feed device mounted in the table.
  • the pressing element can be arranged below the press beam.
  • pressure can additionally be introduced into the pressing element via the pressing beam, whereby the stack to be cut is subjected to a higher pressure below the pressing beam than in that region of the pressing element which is not arranged below the pressing beam.
  • the pressing beam is subjected to reduced pressure, and thus not to the high pressure which is required when the stack is clamped exclusively by means of the pressing beam.
  • the travel path of the pressing element in the direction of the cutting plane is preferably limited by a stop.
  • the pressing beam forms the stop for the pressing element.
  • the pressing element extends laterally so far that a secure clamping of the stack is ensured.
  • the pressing element extends laterally to the side boundaries of the table.
  • the pressing element can clamp stacks with the largest machine format over the entire surface.
  • the pressing element extends beyond the contact surface of the feed device.
  • the feed device is designed in particular as a feed saddle, which may well be designed as a tilt saddle.
  • the feed device is variable in height relative to the distance from the table surface. Regardless of the feed position of the feed device so that the pressing element can be used unchanged. When lowering of the pressing element on the material to be cut is due to the height variability of the feed device adapted to the stack height, so that the pressing element can clamp the stack in the feed device. It is considered particularly advantageous if the feed device is formed by two components, wherein spring elements are provided between the two components, for reducing the height of the feed device when a force acts on the upper component.
  • this upper component can give way due to the spring action and is thus on lowering of the pressing member in the direction of the other component of Feed device moves. If the pressing element is raised again after the cut, the spring elements push the upper part back up.
  • this method when lowering the pressing device onto the material to be cut or after lowering the pressing device onto the material to be cut, a pressing beam arranged adjacent to the cutting plane is lowered onto the pressing device.
  • This press beam thus contributes to increasing the pressing force of the pressing device adjacent to the cutting plane. Due to the fact that the pressing pressure of the pressing bar only becomes effective when the pressing device has already been lowered onto the material to be cut, due to the fixing of the upper sheet layers by the pressing device, the sheet layers can not be displaced under the effect of the increased pressing pressure by means of the pressing bar.
  • the pressing beam is preferably acted upon with high pressure or low pressure, wherein the pressing beam is acted upon lowering to the pressing device with low pressure and the pressing beam in non-activated, arranged outside the pressing portion of the press bar position of the pressing device for the purpose of pressing the material to be cut exclusively adjacent the cutting plane is subjected to high pressure.
  • FIG. 1 for the side view of a conventional cutting machine 1, whose table 2, the horizontal table surface 3 is divided into a table area 4 for receiving the material to be cut and a table area 5 for receiving the cut material, wherein the subdivision in the region of a perpendicular to the table surface. 3 arranged cutting plane 6 takes place.
  • a knife carrier 7 is mounted, which receives the actual cutting blade 8.
  • the knife carrier 7 and thus the cutting blade 8 can move in the swinging section, thus with a vertical and horizontal component of movement.
  • the cutting blade 8 strikes a cutting bar 9 embedded in the table 2 in the area of the table surface 3.
  • a pressing beam 10 Adjacent to the cutting plane 6, a pressing beam 10, which is shown cut in the illustration, is mounted in the portal frame. This pressing beam extends substantially over the entire width (perpendicular to the plane of the plane FIG. 1 ) of the table 2 and is perpendicular to the table surface 3 movable.
  • the vertical movement component of the cutting blade 8 and the vertical movement of the press beam 10 is illustrated by the double arrow 11.
  • a feed device which is designed as a feed saddle 12, is mounted in the table 2, specifically in the table area 4, a feed device, which is designed as a feed saddle 12, is mounted.
  • the feed saddle 12 is movable in the direction of the double arrow 13 parallel to the table surface 3 back and forth. In this way, a stack 14 to be cut material can be moved by means of the feed saddle 12 in the direction of the cutting plane 6.
  • the stack 14 consists of a plurality of stacked sheets, such as sheets of plastic film with an insert height of the stack of 13 cm at about 2000 sheets.
  • the respective sheet is printed identically, for example, a plurality of labels are printed on the respective sheet.
  • the goal is to separate the stacked sheets exactly perpendicular to the page, so that the individual labels can be cut exactly. This is done in the cutting machine by cross-cutting the stack 14. Previously, this stack may already have been cut in the longitudinal direction, so that after the cross cutting a plurality of sub-stacks are present.
  • the feed saddle 12 is mounted in arranged in the table 2 longitudinal guides.
  • FIG. 1 The existing in this cutting machine 1 problem, especially when cutting stacks, which are formed from plastic film sheets is in FIG. 1 illustrated:
  • the stack 14 has been advanced by means of the feed saddle 12 in the desired position in which the cut is to take place.
  • the press beam 10 Prior to cutting, the press beam 10 is lowered onto the stack 14 at high pressure to fix the stack 14 and clamps it between the press beam 10 and the table 2.
  • the stack 14 is compressed in its region 15 below the press beam. This compression causes due to the transition from the compacted region 15 to the non-compressing region 16 of the stack 14 of the stack is pulled away in the region of its upper layers of sheets from the feed saddle 12. This is illustrated by the gap 17 between the upper portion of the stack 14 and the feed saddle 12.
  • the cutting machine has a modified feed device 12 and an additional existing pressing device 18. Parts of the cutting machine 1, which with those of the cutting machine 1 according to FIG. 1 are given the same reference numerals for the sake of simplicity.
  • the gantry frame 19 is additionally illustrated in the region of its support 20 extending transversely to the cutting machine 2, parallel to the table surface 3.
  • Base support 21 of the pressing device 18 attached on the support 20, on the side of the support 20 facing away from the knife support 7, a parallel to the table surface 3 is arranged Base support 21 of the pressing device 18 attached.
  • four pneumatic actuators 22 which serve the vertical adjustment, perpendicular to the table surface 3, of carriages 23 which are mounted in guides 24.
  • the carriages 23 are connected by means of synchronizing guides 25.
  • bearing plate 26 With the carriage 23 a perpendicular to the table surface 23 oriented bearing plate 26 is connected, which receives five struts 27 in the region of its lower end, which are arranged parallel to the table surface 3. in the Area of each strut 27 stiffens a plate 28 this with respect to the bearing plate 26th
  • the pressing device 18 has a pressing element which is designed as a perforated plate 29. For a portion of the perforated plate 29, the holes 30 are illustrated. The lower surface of the perforated plate 29 is arranged parallel to the table surface 3. The perforated plate 29 is provided on its upper side with receptacles 45 which engage in guide rails 46 connected to two struts 27. In the bearing plate 26 and in the perforated plate 29 two parallel pneumatic actuators 31 are mounted. In the sense of the double arrow 32, the perforated plate 29 can thus be moved parallel to the table surface 3 and perpendicular to the cutting plane 6 by means of the actuators 21. By means of the pneumatic actuators 22, the perforated plate 29 can be moved in parallel according to the double arrow 33 due to the synchronizing guides 35, thus move parallel to the table surface 3.
  • the feed saddle 12 is by means of an unillustrated actuator, in particular a spindle drive, in the direction of the double arrow 13 is movable. Shown is the feed saddle 12 in its substantially retracted position. How additionally the representation of the FIGS. 3 and 4 it can be seen, the feed saddle in height, based on the distance of the table surface 3 is variable in height, as illustrated by the double arrow 35.
  • the feed saddle 12 is formed by two components 36 and 37, between which spring elements 38 are provided. If a force is exerted on the upper edge 39 of the upper component 36, this component 36 is depressed, as shown in the illustration of FIG. 6 it can be seen that illustrates the lowering of the perforated plate 29 on the component 36 of the feed saddle 12.
  • the cutting plane 6 facing surface of the two components 36 and 37, the Stapelanlege constitutional the feed saddle 12 is.
  • the reference numeral 40 shows two push-buttons 40 arranged in the front region of the machine for triggering the cut and a thumbwheel 41.
  • FIG. 4 illustrates that, starting from the situation after FIG. 2 , First, the perforated plate 29 of the pressing device 18 is moved by means of the two actuators 21 in the direction of the cutting plane 6, under the pressing beam 10. Two attached to the perforated plate 26 stops 42, which are preferably adjustable, limit the advancing movement of the perforated plate 29. Die Perforated plate 29 is advanced so far that it is located at a small distance from the cutting plane 6 in the table area 4.
  • the adjustable stops 44 record. These stops 44 rest on the side facing away from the table surface of the press beam 10 at this.
  • the pressing device 18 takes over the stops 44, the pressing beam 10 down with, which is arranged in the region of its lower contour with little play to the perforated plate 29.
  • the perforated plate 29 is by applying the Actuators 22 lowered so far until they, as the representation of FIG. 6 can be seen, all over the stack 14, which is associated with the table area 4, rests. When lowering the perforated plate 29 this contacts the edge 39 of the feed saddle 12 and thus presses the component 36 of the feed saddle against the force of the spring elements 38 down.
  • the perforated plate 29 is rectangular. It extends over the entire table width and, based on the maximum distance to the cutting plane position of the feed saddle 12, beyond the contact surface of the feed saddle 12 on the stack 14 addition. For cutting the stack, this cutting process depends on the state FIG. 6 connects, the perforated plate 29 is pressed onto the top of the stack 14, by acting on the actuators 22, and it is also the pressing beam 10 is acted upon by relatively low pressure. He contacted so that the perforated plate 29 on its side facing away from the table surface 3.
  • the press beam 10 is only subjected to high pressure when it is not necessary to use the pressing device 18, this thus in position according to FIG. 2 is located and the press bar 10 can be lowered freely. Such occurs when staple material is to be cut, which does not have the problematic properties of shifting the sheet layers, as it FIG. 1 is clarified.
  • FIG. 7 illustrates the state according to FIG. 6 in detail for the area of the cutting plane.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP20080009354 2008-05-21 2008-05-21 Machine de coupe destinée à la coupe de articles empilés, en forme de feuilles, et procédé Not-in-force EP2123412B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20080009354 EP2123412B1 (fr) 2008-05-21 2008-05-21 Machine de coupe destinée à la coupe de articles empilés, en forme de feuilles, et procédé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20080009354 EP2123412B1 (fr) 2008-05-21 2008-05-21 Machine de coupe destinée à la coupe de articles empilés, en forme de feuilles, et procédé

Publications (2)

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EP2123412A1 true EP2123412A1 (fr) 2009-11-25
EP2123412B1 EP2123412B1 (fr) 2011-07-13

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EP20080009354 Not-in-force EP2123412B1 (fr) 2008-05-21 2008-05-21 Machine de coupe destinée à la coupe de articles empilés, en forme de feuilles, et procédé

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105108808A (zh) * 2015-07-17 2015-12-02 卓达新材料科技集团有限公司 一种用于复合板材裁切的拉缝装置及板材切割机
EP3000568A1 (fr) * 2014-09-26 2016-03-30 FarHeap Solutions Inc. Machine a découper
US20180294505A1 (en) * 2017-04-06 2018-10-11 Sk Innovation Co., Ltd. Multi-cell tab cutting apparatus and method therefor
CN112123401A (zh) * 2020-09-14 2020-12-25 江苏信息职业技术学院 标签裁切机

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0056874A2 (fr) 1981-01-22 1982-08-04 Rolf Mohr Machine pour couper le papier etc.
EP0438737A2 (fr) * 1990-01-25 1991-07-31 Wolfgang Mohr Dispositif pour couper des pièces en forme de feuilles empilées avec une butée latérale et un poussoir déplaçable contre ladite butée pour aligner les pièces à couper

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0056874A2 (fr) 1981-01-22 1982-08-04 Rolf Mohr Machine pour couper le papier etc.
EP0438737A2 (fr) * 1990-01-25 1991-07-31 Wolfgang Mohr Dispositif pour couper des pièces en forme de feuilles empilées avec une butée latérale et un poussoir déplaçable contre ladite butée pour aligner les pièces à couper

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3000568A1 (fr) * 2014-09-26 2016-03-30 FarHeap Solutions Inc. Machine a découper
JP2016104505A (ja) * 2014-09-26 2016-06-09 ファーヒープ・ソリューションズ・インコーポレイテッドＦａｒｈｅａｐ Ｓｏｌｕｔｉｏｎｓ Ｉｎｃ． 裁断機
US10280564B2 (en) 2014-09-26 2019-05-07 Opensoft, Inc. Cutting machine
CN105108808A (zh) * 2015-07-17 2015-12-02 卓达新材料科技集团有限公司 一种用于复合板材裁切的拉缝装置及板材切割机
US20180294505A1 (en) * 2017-04-06 2018-10-11 Sk Innovation Co., Ltd. Multi-cell tab cutting apparatus and method therefor
US10971750B2 (en) * 2017-04-06 2021-04-06 Sk Innovation Co., Ltd. Multi-cell tab cutting apparatus and method therefor
CN112123401A (zh) * 2020-09-14 2020-12-25 江苏信息职业技术学院 标签裁切机
CN112123401B (zh) * 2020-09-14 2024-05-24 江苏信息职业技术学院 标签裁切机

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