EP0493229B1 - Abfalltrennvorrichtung für Kartonbögen und ähnliche Materialien - Google Patents

Abfalltrennvorrichtung für Kartonbögen und ähnliche Materialien Download PDF

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Publication number
EP0493229B1
EP0493229B1 EP91403499A EP91403499A EP0493229B1 EP 0493229 B1 EP0493229 B1 EP 0493229B1 EP 91403499 A EP91403499 A EP 91403499A EP 91403499 A EP91403499 A EP 91403499A EP 0493229 B1 EP0493229 B1 EP 0493229B1
Authority
EP
European Patent Office
Prior art keywords
anterior
arms
scraper
edge
cutting
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
EP91403499A
Other languages
English (en)
French (fr)
Other versions
EP0493229A1 (de
Inventor
Serge Chiloff
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.)
A T N
ATN
Original Assignee
A T N
ATN
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 A T N, ATN filed Critical A T N
Publication of EP0493229A1 publication Critical patent/EP0493229A1/de
Application granted granted Critical
Publication of EP0493229B1 publication Critical patent/EP0493229B1/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
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1836—Means for removing cut-out material or waste by pulling out
    • 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
    • Y10T83/2096—Means to move product out of contact with tool
    • Y10T83/21—Out of contact with a rotary tool
    • Y10T83/2118—Stationary mover
    • 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
    • Y10T83/2096—Means to move product out of contact with tool
    • Y10T83/217—Stationary stripper
    • 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
    • Y10T83/2183—Product mover including gripper means

Definitions

  • the present invention relates to a shelling device associated with an apparatus for rotary cutting of a sheet of material such as cardboard or similar material.
  • Rotary cutting devices are commonly used in industry to cut, from a sheet of material such as cardboard, individual blanks intended to subsequently constitute, for example, packages. Following the cutting of these individual blanks, cardboard waste or scraps remain which correspond to all the areas of the web which are not used to constitute the individual blanks.
  • This cardboard waste must therefore be removed from the surface of the cutting cylinder, after each cutting operation, and for this purpose pins are provided carried by the surface of this cylinder at the places where the waste is formed, after cutting.
  • Each piece of cardboard constituting a waste is thus pierced by a spike and it is driven, while being held by this spike, in the direction of a shelling device which is intended to rid each spike of the piece of cardboard that it entails. .
  • Shelling devices known to date generally comprise a single piece member in the form of a "comb" having teeth directed towards the surface of the cutting cylinder and inclined at an appropriate angle relative to this surface.
  • This single-piece shelling comb is arranged so that the different pins carried by the cutting cylinder pass through the intervals between the teeth of the comb so that the cardboard waste carried by the outer extreme parts of the pins are gradually detached from them by sliding on the neighboring teeth of the shelling comb.
  • a shelling device of this type has the drawback, however, that it often occurs. a jamming of the pieces of cardboard in the bottom of the intervals between the teeth of the shelling comb, these pieces of cardboard being able to accumulate and possibly cause a rupture of the pins when the obstacle that they manage to constitute is quite significant.
  • Such a device is for example known from GB-A-750 700 and from GB-A-750 751, and the first of these documents was used to state the preamble of the main claim annexed.
  • the present invention essentially aims to remedy the above drawback of the prior art by providing a peeling device of particularly simple design and ensuring in an efficient manner and without risk of jamming the peeling operation.
  • this shelling device associated with a rotary cutting device for a sheet of material, such as cardboard or similar material this shelling device constituting a sort of comb comprising a common base, parallel to the axis of the cylinder. cutting, by forming a support for a series of parallel arms or teeth extending in the direction of the cutting cylinder and ending in the immediate vicinity of the peripheral surface of this cylinder, these arms delimiting between them intervals in which can pass pins integral with the peripheral surface of the cutting cylinder and transporting pieces of material constituting cutting waste to be detached from the pins by the arms of the dehulling device is characterized in that the common base of the dehulling device in the form of a comb includes a shaft on which the arms of the pairs of parallel arms are independently locked, by means of screws, in variable positions according to the longitudinal position of the pins on the cutting cylinder and in that the arms of each pair are symmetrical with respect to a vertical and transverse plane passing between the arms and have bevelled front faces to delimit a tapered end
  • Figure 1 is a vertical sectional view of a shelling device according to the invention associated with a cutting cylinder of a rotary cutting device.
  • Figure 2 is a partial plan view, on a larger scale, of the shelling device.
  • Figure 3 is a front view of two adjacent doctor blades of the shelling device.
  • the comb-shaped shelling device according to the invention which is indicated as a whole by the reference 1 in FIG. 1, is associated with a cutting cylinder 2 of a rotary cutting device.
  • This cutting cylinder 2 carries, on its peripheral surface, cutting nets which ensure the cutting of a sheet of material, such as a sheet of cardboard according to a predetermined path, to form individual blanks of cardboard from this sheet .
  • the areas of the web that remain after cutting the blanks individual and which thus constitute cutting waste, must be eliminated and for this purpose the cutting cylinder 2 carries, at the places where this waste is formed, pins 3 embedded in the lateral surface of the cylinder 2 and having a pointed external end 3a as it appears in FIG. 3. Following a cutting operation, the pins 3 are pressed, by their pointed ends 3a, into pieces of cardboard 4 constituting cutting waste.
  • the shelling device 1 is intended to rid all the pins 3 of the pieces of cardboard 4 constituting cutting waste.
  • the shelling device 1 which is arranged above the cutting cylinder 2 but which could be placed in another suitable place, comprises a longitudinal shaft 5, that is to say which is parallel to the 'axis of the cutting cylinder 2.
  • this shaft 5 On this shaft 5 are fixed arms 6, 7 substantially radial, mutually parallel and distant from each other, these arms 6, 7 constituting in a way the teeth of the peeling "comb" 1
  • These arms 6, 7 are arranged in pairs of arms, symmetrical to one another with respect to the same vertical and transverse plane P, these arms extending towards the cutting cylinder 2 and ending in the immediate vicinity of this one.
  • two of these arms are represented, namely a left arm 6 and a right arm 7, symmetrical with respect to the vertical and transverse plane P.
  • Each of the arms 6 and 7 comprises a base 8 constituted by a tight and locked support block on the shaft 5, by means of a screw 9, and a front part forming a doctor blade 11 which extends the base 8 and which is fixed to this base by means of screws 12.
  • Each doctor blade 11 has a flat upper face 11a which is inclined with respect to the horizontal and which ends in a horizontal edge 11b, parallel to the axis of the cutting cylinder 2, located in the immediate vicinity of the lateral surface of this cylinder.
  • the edge 11b is part of an acute angle dihedral formed by the upper face 11a and a lower and anterior face 11c which is inclined so that the end part of each doctor blade 11 is tapered.
  • each doctor blade 11 is delimited by an external vertical face 11e which is rectilinear.
  • the internal face of each doctor blade that is to say the one facing the vertical plane of symmetry P and the other doctor blade, is stepped and it comprises, in its front part, a flat front internal face 11f which is inclined both downwards and backwards.
  • This inclined anterior face 11f is delimited at its upper part by an anterior and upper edge 11g contained in the plane of the upper face 11a, parallel to the vertical plane of symmetry P and connecting perpendicularly to the edge 11b, and by a another upper edge 11h also contained in the plane of the upper face 11a, following the anterior edge 11g and inclined from front to back and towards the outside of the doctor blade 11, to reach a vertical and transverse internal face 11i of the doctor blade 11.
  • the internal inclined front face 11f of the doctor blade 11 also connects to the inclined front face 11c along an edge 11j which, seen in plan as it appears in FIG. 2, is inclined from front to back , outwards, with respect to the vertical plane of symmetry P.
  • the interval between the two doctor blades 11 first defines, in its front part, a relatively narrow entry slit, of width a , delimited by the two anterior edges 11g parallel to the plane P, then an intermediate part flared towards the rear and which is defined by the two edges 11h and finally a very wide interval b between the two internal vertical faces 11i.
  • the space below the entry slit, between the two front edges 11g, and the flared part, located between the two inclined edges 11h, is also flared both backwards and downwards, this space being delimited by the two inclined internal anterior faces 11f.
  • each pair of left 6 and right 7 arms is blocked on the shaft 5, by means screws 9, so that the entry slot which is delimited between the two front edges 11g, is located substantially opposite the pins 3 and that they can engage in this entry slot.
  • the vertical plane of symmetry P of the two arms 6, 7 practically coincides with the vertical and transverse plane in which the pins 3 move.
  • each piece of cardboard 4 carried by a pin 3 tends to be gradually detached from this pin as it slides on the upper faces 11a of the two doctor blades 11. It then arrives in the flared zone delimited by the two edges 11h where it is then completely detached from the pin 3: it can then fall into an underlying recovery device, not shown. Due to the provision of the flared space from front to back and from top to bottom, in the front part of the doctor blades 11, the risk of jamming is completely eliminated since the detached pieces of cardboard 4 can fall freely in the meantime between the two doctor blades 11.

Landscapes

  • 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)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Details Of Cutting Devices (AREA)
  • Paper (AREA)

Claims (4)

  1. Abfalltrennvorrichtung (1), für eine Rotationsschneidevorrichtung (2) für bogen- oder bahnförmiges Material, wie Karton oder dergleichen, welche Abfalltrennvorrichtung (1) eine Art Kamm bildet, welcher einen, parallel zur Achse des Schneidezylinders (2) angeordneten, gemeinsamen Sockel (5) aufweist, der eine Halterung für eine Reihe paralleler Arm- oder Zahnpaare (6, 7) bildet, die sich in Richtung auf den Schneidezylinder (2) erstrecken und in unmittelbarer Nähe der Manteloberfläche dieses Zylinders enden, und wobei diese Arme zwischen sich Zwischenräume abgrenzen, durch welche mit der Manteloberfläche des Schneidezylinders (2) verbundene Spitzen (3) hindurchtreten können, und Materialstücke (4) wegschaffen, die die Schneidereste bilden, die durch die Arme der Abfalltrennvorrichtung von den Spitzen (3) getrennt werden sollen,
    dadurch gekennzeichnet,
       daß der gemeinsame Sockel der als Kamm geformten Abfalltrennvorrichtung (1) eine Welle (5) aufweist, auf welcher die Arme der parallelen Armpaare (6, 7) in veränderbaren, von der Längskoordinate der Spitzen (3) abhängigen Positionen auf dem Schneidezylinder (2) unabhängig mittels Schrauben (9) verklemmt sind, und
       daß die Arme (6, 7) jedes Paares symmetrisch hinsichtlich einer senkrechten, zwischen den Armen hindurchgehenden Schnittebene (P) sind und vordere, zur Bildung eines scharfen, äußeren Endes (Schneide 11b) abgeschrägte Flächen (11c) aufweisen, wobei die Innenflächen (11f, 11i) der abgeschrägten, vorderen Flächen (11c), nämlich die Innenflächen (11f, 11i), welche gegeneinander gewandt sind, derart angepaßt sind, daß sie zwischen sich einen Spalt bilden, dessen Breite von vorne nach hinten, nämlich von dem vorderen äußersten Ende (11b) der Arme (6, 7) zu der den gemeinsamen Ansatz bildenden Welle (5), allmählich zunimmt.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß jeder der Arme (6, 7) einen durch einen auf der Welle (5) mittels einer Schraube (9) fest angezogenen und verklemmten Trageblock gebildeten Ansatz (8) und ein Vorderteil umfaßt, welches einen Schaber (11) bildet, der den Ansatz (8) verlängert und auf diesem Ansatz durch Schrauben (12) befestigt ist.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß jeder Schaber (11) eine ebene, obere Fläche (11a) aufweist, welche bezüglich der Horizontalen geneigt ist, in einer horizontalen Schneide (11b) endet und parallel zur Achse des Schneidezylinders (2) und in unmittelbarer Nähe der Manteloberfläche dieses Zylinders angeordnet ist, wobei diese Schneide (11b) Teil einer spitzwinkligen Winkelform ist, die durch die obere Fläche (11a) und eine zur scharfkantigen Ausführung des äußersten Teils jedes Schabers (11) abgeschrägte, untere und vordere Fläche (11c) gebildet ist, und wobei die innere Oberfläche jedes Schabers, nämlich diejenige, welche gegen die senkrechte Symmetrieebene (P) und den anderen Schaber gewandt ist, stufenförmig ist und in ihrem vorderen Bereich eine ebene, vordere Innenfläche (11f) aufweist, die sowohl nach unten als auch nach hinten geneigt ist, wobei diese geneigte, vordere Innenfläche (11f) in ihrem oberen Bereich durch eine in der Ebene der oberen Fläche (11a) liegende, parallel zur senkrechten Symmetrieebene (P) angeordnete, vordere und obere Schneide (11g), die senkrecht mit der Schneide (11b) verbunden ist, und durch eine weitere, ebenfalls in der Ebene der oberen Fläche (11a) liegende, obere Schneide (11h) begrenzt ist, welche im Anschluß an die vordere Schneide (11g) angeordnet ist und von vorne nach hinten und gegen die Außenseite des Schabers (11) geneigt ist, um auch eine senkrechte und transversale Innenfläche (11i) des Schabers (11) zu treffen.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die geneigte, vordere Innenfläche (11f) des Schabers (11) mit der geneigten, vorderen Fläche (11c) längs einer Schneide (11j) verbunden ist, die, in Aufsicht, von vorne nach hinten, gegen die Außenseite bezüglich der senkrechten Symmetrieebene (P) geneigt ist.
EP91403499A 1990-12-26 1991-12-20 Abfalltrennvorrichtung für Kartonbögen und ähnliche Materialien Expired - Lifetime EP0493229B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9016263A FR2671026B1 (fr) 1990-12-26 1990-12-26 Dispositif de decorticage d'une nappe de carton ou materiau similaire.
FR9016263 1990-12-26

Publications (2)

Publication Number Publication Date
EP0493229A1 EP0493229A1 (de) 1992-07-01
EP0493229B1 true EP0493229B1 (de) 1995-05-17

Family

ID=9403660

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91403499A Expired - Lifetime EP0493229B1 (de) 1990-12-26 1991-12-20 Abfalltrennvorrichtung für Kartonbögen und ähnliche Materialien

Country Status (7)

Country Link
US (1) US5303623A (de)
EP (1) EP0493229B1 (de)
JP (1) JPH04294999A (de)
DE (1) DE69109840T2 (de)
ES (1) ES2073713T3 (de)
FR (1) FR2671026B1 (de)
HK (1) HK143895A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2072199B1 (es) * 1993-06-21 1998-07-01 Salpe S A Dispositivo perfeccionado para la extraccion de recortes en maquinas cortadoras de bandas de papel o carton.
US6012366A (en) * 1996-11-13 2000-01-11 Itox Supply Co., Ltd. Slitting mechanism of a card cutting machine
FR2774628B1 (fr) * 1998-02-10 2000-04-07 Komori Chambon Dispositif de decorticage de flans de carton decoupes
CH693169A5 (fr) * 1999-06-01 2003-03-27 Bobst Sa Dispositif pour régler la position entre un éjecteur de déchets et un cylindre de découpage.
DE10158502B4 (de) * 2001-11-28 2016-02-18 Roll Up GmbH Vorrichtung zur Herstellung einer Mikroperforation in Rollladen-Stabstegen
US6949059B2 (en) * 2002-09-18 2005-09-27 Winkler + Dunnebier, Ag Two cylinder one piece pin stripping device
US6866152B2 (en) * 2002-11-26 2005-03-15 Grumbach Gmbh & Co. Kg System and method to separate cardboard components from bulk waste paper
US9027737B2 (en) 2011-03-04 2015-05-12 Geo. M. Martin Company Scrubber layboy
US10967534B2 (en) 2012-06-04 2021-04-06 Geo. M. Martin Company Scrap scraper
ES2630370T3 (es) * 2013-03-08 2017-08-21 Bobst Mex Sa Dispositivo de recorte y de eyección de los residuos, unidad, y máquina así equipada

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE624875C (de) * 1936-01-30 Buckau R Wolf Akt Ges Maschf Abstreicherkaemme fuer Scheibenwalzenroste
US534884A (en) * 1895-02-26 Paper-perforating machine
US909853A (en) * 1908-06-08 1909-01-12 George William Cook Machine for trimming and cutting lengths of cloth or other material.
US1096733A (en) * 1913-09-23 1914-05-12 Edgar H May Carpet-cutting machine.
US2341956A (en) * 1943-07-22 1944-02-15 Edwin G Staude Patch applying mechanism
CH302925A (fr) * 1952-11-20 1954-11-15 Bobst Fils Sa J Procédé pour débarrasser de leurs déchets des feuilles de papier découpées, et installation pour la mise en oeuvre dudit procédé.
CH302926A (fr) * 1952-11-20 1954-11-15 Bobst Fils Sa J Appareil servant à débarrasser de leurs déchets des feuilles de papier découpées, présentant des organes éjecteurs en forme d'aiguilles.
GB750701A (en) * 1952-11-20 1956-06-20 Bobst Fils Sa J Improvements in or relating to waste paper, paper board and the like ejector apparatus
US4638934A (en) * 1984-10-02 1987-01-27 Jerry Fram Slitting and dicing machine for fiberglass mat and mats of other brittle abrasive fibers

Also Published As

Publication number Publication date
DE69109840T2 (de) 1995-12-21
FR2671026A1 (fr) 1992-07-03
US5303623A (en) 1994-04-19
ES2073713T3 (es) 1995-08-16
FR2671026B1 (fr) 1995-08-04
DE69109840D1 (de) 1995-06-22
HK143895A (en) 1995-09-15
JPH04294999A (ja) 1992-10-19
EP0493229A1 (de) 1992-07-01

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