EP0438736B1 - Vorrichtung zum Schneiden von gestapeltem, blattförmigem Gut mit einem Frontaufstosser zum Ausrichten des Gutes an einer Vorschubeinheit - Google Patents

Vorrichtung zum Schneiden von gestapeltem, blattförmigem Gut mit einem Frontaufstosser zum Ausrichten des Gutes an einer Vorschubeinheit Download PDF

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Publication number
EP0438736B1
EP0438736B1 EP90124749A EP90124749A EP0438736B1 EP 0438736 B1 EP0438736 B1 EP 0438736B1 EP 90124749 A EP90124749 A EP 90124749A EP 90124749 A EP90124749 A EP 90124749A EP 0438736 B1 EP0438736 B1 EP 0438736B1
Authority
EP
European Patent Office
Prior art keywords
cut
cutting
cutting knife
front pusher
pusher
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.)
Expired - Lifetime
Application number
EP90124749A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0438736A1 (de
Inventor
Wolfgang Mohr
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
Individual
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 Individual filed Critical Individual
Publication of EP0438736A1 publication Critical patent/EP0438736A1/de
Application granted granted Critical
Publication of EP0438736B1 publication Critical patent/EP0438736B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B26D7/015—Means for holding or positioning work for sheet material or piles of sheets
    • 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
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
    • 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
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
    • B26D2007/322—Means for performing other operations combined with cutting for conveying or stacking cut product the cut products being sheets, e.g. sheets of paper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S83/00—Cutting
    • Y10S83/929—Particular nature of work or product
    • Y10S83/934—Book, being made, e.g. trimming a signature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2198—Tiltable or withdrawable support
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/444—Tool engages work during dwell of intermittent workfeed
    • Y10T83/461—With abutment to position work being fed with respect to cutter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/444—Tool engages work during dwell of intermittent workfeed
    • Y10T83/463—Work-feed element contacts and moves with work
    • Y10T83/4635—Comprises element entering aperture in, or engaging abutment surface on, work
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/444—Tool engages work during dwell of intermittent workfeed
    • Y10T83/4645—With means to clamp work during dwell
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/748—With work immobilizer
    • Y10T83/7593—Work-stop abutment
    • Y10T83/764—Retractable

Definitions

  • the invention relates to a device for cutting stacked, sheet-like material, with a table for receiving the material to be cut, a feed unit for the material to be cut, a cutting knife that can be moved perpendicular to the table plane, and a knife that is arranged adjacent to it and can be lowered onto the material to be cut Press bar, and a plate-shaped front pusher that can be brought into contact with the front surface of the material to be cut for aligning the material on the feed unit.
  • the stack to be cut relaxes below the press beam. Depending on the material properties of the material to be cut, this leads to a more or less pronounced movement, in particular the upper sheet layers of the stack of sheets to be cut away from the feed unit. Even when feeding the material to be cut at a feed rate that allows industrial production, it cannot be prevented, in particular with cutting material of low specific weight and / or smooth surface, that the upper sheet layers of the stack to be cut "run away" from the feed unit when it is stopped and so on got out of plant with this.
  • a device of the type mentioned is known from EP 0 056 874 A2.
  • the table is made up of two parts, a rear table is used to hold the goods to be cut and a front table is used to hold the cut goods.
  • the front table and the rear table can be moved to form a gap between them in order to be able to dispose of the waste material resulting from edge and intermediate cuts.
  • the front pusher designed as a ruler which is arranged in its rest position below the table, is pivoted into a vertical position, as a result of which the material to be cut, which extends to the front edge of the rear table, is pressed against the feed unit which extends across the width of the rear table.
  • the ruler can thus only be effective when the front and rear table have moved apart and then only in a plane running through the front edge of the rear table parallel to the cutting plane of the cutting knife.
  • the described solution can therefore not be used in principle for devices of the type mentioned, in which the table is formed in one piece.
  • EP 0 242 763 A2 discloses a device for cutting stacked, sheet-like material, in which a front table and a rear table can also be moved apart to form a gap between them, so that the waste material can be disposed of through them.
  • the device has - in a different function to the ruler described above - a ruler, which is arranged with the gap closed under the front table in the area of the separating surface of the front and rear table and is moved into a working position when the gap is opened, in which it is over the entire length of the dividing surface rests against the rear edge of the front table and is perpendicular to the table level.
  • the ruler serves the purpose of completely pushing the last cut, projecting beyond the rear edge of the front table on the front table, while at the same time during the subsequent intermediate cut prevents brittle material in particular from being thrown onto the front table.
  • Alignment is carried out by means of a front pusher which is pivotally mounted in the front table and which aligns the use on the ruler by means of a corresponding pivoting movement. Depending on the extent of the respective cut panel in the feed direction, it is necessary to position the front pusher differently.
  • the front pusher can be moved obliquely from above the table against the front surface of the material to be cut and is positioned in its lower end position with its abutting surface essentially in the cutting plane of the cutting knife.
  • the front pusher assumes an essentially unchangeable lower end position, namely one in which its abutting surface is positioned essentially in the cutting plane of the cutting knife.
  • the term "essential” is intended to describe that the front pusher with its upper region can also be inclined slightly in the direction of the material to be cut, so that in its lower end position it presses the upper sheet layers of the stack to be cut more strongly than the feed unit lower and thus takes into account the fact that the upper sheet layers "run away" more from the feed unit than the lower.
  • the front pusher should advantageously be mounted in an angle-adjustable manner.
  • the front pusher can be placed on the stack to be cut only in the upper region thereof, in particular on the upper half of the stack.
  • the invention is not limited to one one-piece design of the table is limited, it can also be used in the two-piece design of the table described above.
  • the length of the front pusher should expediently correspond almost to the length of the cutting knife in order to ensure that the goods to be cut are aligned over the entire width of a stack of goods to be cut which has a maximum dimension in terms of the device.
  • the front pusher is mounted in a portal frame of the device assigned to the cutting knife and the press beam on the side of the portal frame facing the material to be cut.
  • Bearing flanges are expediently connected to the portal frame at a distance from one another, each of which has a bearing bush for a guide rod which can be moved by means of power means, the guide rods receiving at their lower ends the front pusher positioned parallel to the cutting plane of the cutting knife.
  • Two guide rods are advantageously provided, the movement of which is coupled via a synchronous guide.
  • an actuating cylinder should be connected to each bearing flange, which engages with its piston rod on an attachment connected to the upper end of the associated guide rod, an adjustable stop protruding into the downward movement path of the attachment.
  • an adjustable stop protruding into the downward movement path of the attachment.
  • the front pusher which is expediently oriented parallel to the cutting plane in its entire adjustment range, can in principle be made from any materials. It is considered advantageous, however, if it is designed to be elastic in the area of its abutting surface. It can also be provided in the area of the butt surface with air nozzles, which are expediently activated until the front pusher abuts the stack to be cut and, due to the fact that they introduce air between at least the upper sheet layers of the stack of material to be cut, simplify the alignment process.
  • FIGS. 1 and 2 show, in a highly simplified manner, a face-cutting machine for cutting paper, cardboard or the like with the elements essential to the invention for aligning the material 1 to be cut on a feed unit 2.
  • the face-cutting machine has a table 3 in a known manner with a recessed therein , Cutting bar 4 extending over the entire width of the table 3.
  • the feed unit also extends over the entire width of the table 3 2 with the feed saddle 2a. This can be moved in the direction of arrow A, which results in the basic direction of movement of the material to be cut during the cutting process. Seen in the feed direction A, behind the cutting bar 4, the cut material 5 is shown in the form of three mutually displaced panels 5a, 5b and 5c.
  • a cutting knife 7 is arranged above the cutting bar 4.
  • the figure shows the raised position, from which it can be lowered in the direction of arrow B until it contacts the cutting bar 4.
  • a press bar 8 is provided adjacent to the cutting knife 7 and can likewise be lowered from the raised position shown in FIG. 1 onto the material 1 to be cut in the direction of arrow B.
  • Cutting knife 7 and press bar 8 are guided in a portal frame 9 of the face cutting machine which surrounds this at the top and on the side.
  • Reference number 10 shows the cutting plane of the cutting knife 7, which runs perpendicular to the table plane and through the cutting bar 4.
  • the item to be cut is advanced by means of the feed unit 2 until the item to be cut protrudes beyond the cutting plane 10 in the desired thickness. Then the press beam 8 is lowered onto the material to be cut, the individual sheet layers below the press beam 8 being pressed together. The cutting knife 7 is then lowered, during the cutting the panel 5a is separated from the remaining stack of goods 1 to be cut, the panel 5a being displaced in a parallelogram shape in the lower region in the form of a wedge 7a due to the design of the cutting blade.
  • a device 11 is now provided on the feed unit 2 for aligning the material 1 which is to be cut slightly after the lifting of the press beam 8 and has been displaced.
  • this has a movable front pusher 12 which is arranged below the cutting knife 7 and extends essentially over the entire length of the cutting knife 7.
  • This is designed as a vertically oriented plate which can be moved from obliquely above the table 3 with a horizontal movement component against the feed direction A of the good against the front surface of the good 1 to be cut.
  • the lower end position of the front pusher 12 is selected so that its abutting surface 14 coincides with the cutting plane 10 in the lower end position of the front pusher 12 and thus the front pusher 12, when lowered into its lower end position, the slightly displaced stack of cut material 1 on the feed saddle 2a of the feed unit 2 aligns. This is shown in the illustration in FIG. 2, from the illustrated position of the front pusher 12, it can be moved back to its upper end position in the direction of arrow C.
  • two bearing flanges 15 are connected to the horizontal section of the portal frame 9 at a distance from one another, each of which has a bearing bush 16 for a guide rod 17 which can be displaced in the longitudinal direction thereof, the lower ends of which only in the illustration of FIGS. 1 and 2, visible front pusher 12 positioned parallel to the cutting plane 10 of the cutting knife 7.
  • a pneumatically acting actuating cylinder 18 is also connected, which engages with its piston rod 18a on a plate-shaped extension 19 connected to the upper end of the associated guide rod 17.
  • a synchronous shaft 21 is rotatably supported in the two bearing flanges 15, the two ends of which are each provided with a gear wheel 22 which mesh with rack sections 23 of the guide rods 17.
  • the bearing flanges 15 and thus the front pusher 12 can be positioned vertically via vertical guides 24 connected to the portal frame 9.
  • the guide rods 17 for the front pusher 12 are inclined approximately at an angle of 40 ° to the vertical, which results in the feed direction of the front pusher 12. Due to this direction of movement obliquely from above, the front pusher can be inserted after the cut from above the cut material 5 into the V-shaped gap resulting between the last cut panel 5a and the stack of cut material 1 to be cut, without the cut panels having to be removed beforehand . As shown in FIGS. 1 and 2, it is entirely sufficient if the front pusher 12 is placed against the stack 1 only in the area of the upper half of the stack to be cut, since only in the area of the upper sheet layers do the displacements of the individual sheets 6 impair the cutting result respectively.
  • the invention is not limited to the extent that the front pusher 2 is inserted into the gap at the angle shown, nor to the fact that the table is formed in one piece.
  • the invention can also be applied to a two-part table which makes it possible to cut the material 5 by moving the table part assigned to it to move ahead of the good 1 to be cut and thus to enlarge the space between the cut good 5 and the good 1 to be cut.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
  • Details Of Cutting Devices (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP90124749A 1990-01-25 1990-12-19 Vorrichtung zum Schneiden von gestapeltem, blattförmigem Gut mit einem Frontaufstosser zum Ausrichten des Gutes an einer Vorschubeinheit Expired - Lifetime EP0438736B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4002102 1990-01-25
DE4002102A DE4002102A1 (de) 1990-01-25 1990-01-25 Vorrichtung zum schneiden von gestapeltem, blattfoermigem gut mit einem frontaufstosser zum ausrichten des gutes an einer vorschubeinheit

Publications (2)

Publication Number Publication Date
EP0438736A1 EP0438736A1 (de) 1991-07-31
EP0438736B1 true EP0438736B1 (de) 1995-02-22

Family

ID=6398733

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90124749A Expired - Lifetime EP0438736B1 (de) 1990-01-25 1990-12-19 Vorrichtung zum Schneiden von gestapeltem, blattförmigem Gut mit einem Frontaufstosser zum Ausrichten des Gutes an einer Vorschubeinheit

Country Status (5)

Country Link
US (1) US5214992A (enrdf_load_stackoverflow)
EP (1) EP0438736B1 (enrdf_load_stackoverflow)
JP (1) JPH0753358B2 (enrdf_load_stackoverflow)
DE (2) DE4002102A1 (enrdf_load_stackoverflow)
ES (1) ES2070260T3 (enrdf_load_stackoverflow)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU663115B2 (en) * 1991-10-03 1995-09-28 Amcor Limited Removal apparatus
DE4422193C1 (de) * 1994-06-24 1996-03-21 Mohr Adolf Maschf Schneidverfahren für gestapeltes, blättriges Gut
US6053084A (en) * 1998-11-13 2000-04-25 Lucent Technologies, Inc. System and method for cutting panels
JP2002003069A (ja) * 2000-06-26 2002-01-09 Konica Corp 用紙断裁装置及び画像形成装置
JP4152996B2 (ja) * 2006-05-10 2008-09-17 ホリゾン・インターナショナル株式会社 押圧装置
US8616106B2 (en) * 2007-02-27 2013-12-31 Canon Kabushiki Kaisha Sheet cutting apparatus and image forming apparatus
JP2012126495A (ja) * 2010-12-15 2012-07-05 Ricoh Co Ltd 用紙後処理装置、画像形成装置、画像形成システム
CN103465303A (zh) * 2012-11-16 2013-12-25 镁联科技（芜湖）有限公司 一种裁切机接料装置
CA2905790C (en) * 2013-03-15 2021-10-19 Altria Client Services Llc Method and machine for making uniform products
DE102014000524A1 (de) * 2013-12-02 2015-06-03 Proverum Ag Vorrichtung zum Schneiden von elastischen Belägen
CN107243936A (zh) * 2017-08-10 2017-10-13 洪灵坪 一种可调节式机电一体化切割刀
CN108673629B (zh) * 2018-05-23 2023-07-25 新疆北方建设集团有限公司 一种建筑保温板的切割加工装置及其加工方法
CN109500851B (zh) * 2018-12-13 2024-04-30 佛山科学技术学院 一种切纸机
CN113400361B (zh) * 2021-06-18 2024-03-26 安徽天元塑业有限公司 一种编织线分切用杂物自动收集装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE224803C (enrdf_load_stackoverflow) *
US3165956A (en) * 1962-05-02 1965-01-19 Miehle Goss Dexter Inc Paper pile aligner for automatic cutter
US3424044A (en) * 1966-03-10 1969-01-28 Miehle Goss Dexter Inc Continuous three-knife trimmer
DE7020975U (de) * 1970-05-30 1970-08-27 Wohlenberg Kg H Papierschneidemaschine mit anpressvorrichtung fuer das schneidgut.
IT1056312B (it) * 1975-12-23 1982-01-30 Benuzzi G Dispositivo per impostare automaticamente al taglio pacchidispositivo per impostare automaticamente al taglio pacchidi pannelli per derivare oannelli di ampiezza inferiure eda misure anche differenziate
DE3101911A1 (de) * 1981-01-22 1982-09-02 Karl Mohr "vorrichtung zum schneiden von papier, pappe oder dgl.."
DE3302946C2 (de) * 1982-02-05 1986-12-04 H. Wohlenberg KG GmbH & Co, 3000 Hannover Drei-Messer-Schneidemaschine
DE3613316C1 (de) * 1986-04-19 1988-02-18 Wolfgang Mohr Vorrichtung zum Schneiden von gestapeltem,blattfoermigem Gut
US4922773A (en) * 1988-01-05 1990-05-08 Itoh Iron Works Co., Ltd. Three-side cutting apparatus

Also Published As

Publication number Publication date
EP0438736A1 (de) 1991-07-31
DE59008527D1 (de) 1995-03-30
DE4002102A1 (de) 1991-08-08
ES2070260T3 (es) 1995-06-01
US5214992A (en) 1993-06-01
DE4002102C2 (enrdf_load_stackoverflow) 1991-11-14
JPH0753358B2 (ja) 1995-06-07
JPH0752090A (ja) 1995-02-28

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