EP0955156B1 - Vorrichtung zum Einschneiden und Rillen von Bögen aus Karton - Google Patents

Vorrichtung zum Einschneiden und Rillen von Bögen aus Karton Download PDF

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Publication number
EP0955156B1
EP0955156B1 EP99107258A EP99107258A EP0955156B1 EP 0955156 B1 EP0955156 B1 EP 0955156B1 EP 99107258 A EP99107258 A EP 99107258A EP 99107258 A EP99107258 A EP 99107258A EP 0955156 B1 EP0955156 B1 EP 0955156B1
Authority
EP
European Patent Office
Prior art keywords
slotting
heads
cardboard sheet
driving
creasing
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
EP99107258A
Other languages
English (en)
French (fr)
Other versions
EP0955156A1 (de
Inventor
Rinaldo Benzoni
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.)
Engico SRL
Original Assignee
Engico SRL
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
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Application filed by Engico SRL filed Critical Engico SRL
Publication of EP0955156A1 publication Critical patent/EP0955156A1/de
Application granted granted Critical
Publication of EP0955156B1 publication Critical patent/EP0955156B1/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
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628—Means for adjusting the position of the cutting member
    • B26D7/2642—Means for adjusting the position of the cutting member for slotting cutters
    • 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
    • B31B50/16—Cutting webs
    • 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
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/14—Forming notches in marginal portion of work by cutting
    • 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
    • B31B50/20—Cutting sheets or blanks
    • 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
    • B31B50/20—Cutting sheets or blanks
    • B31B50/22—Notching; Trimming edges of flaps
    • 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
    • B31B50/254—Surface scoring using tools mounted on belts or chains

Definitions

  • the present invention relates to a device for slotting and creasing sheet cardboard material.
  • Prior cardboard processing machines which are specifically designed for processing sheets of cardboard, provide the cardboard sheets with suitable cross slots and creasing, for allowing the cardboard sheet to be easily folded in order to form a cardboard box or other like packaging article.
  • a first type of said prior cardboard material slotting and creasing machines comprises a supporting shaft supporting a plurality of slitting heads, including a plurality of slitting blades which are caused to quickly turn by their turning supporting shaft.
  • the slotting heads are coupled to suitable counter-slotting elements, so that the slotting blades can cut through the cardboard sheet fed thereunder, to provide the mentioned throughgoing slots.
  • a second type of prior machines comprises a first supporting shaft supporting a plurality of creasing heads and, downstream of said first shaft, a second supporting shaft supporting a corresponding plurality of slitting heads aligned with the creasing heads.
  • the above mentioned machines can also operate with cardboard sheets having a pitch greater than the diameter of the slitting head.
  • a further drawback of this second type of cardboard sheet processing machine is that the stopping and driving again of the shaft supporting the slotting heads would require a very great amount of power, because of the comparatively large mass of the mentioned shafts to be turned, which power consumption would negatively affect the cost of the finished cardboard article.
  • the aim of the present invention is to provide such a cardboard sheet material slotting and creasing device having a very high yield, while requiring a comparatively low operation cost.
  • a main object of the present invention is to provide such a cardboard sheet material slotting and creasing device which can be used for a very broad range of cross and longitudinal sizes of the cardboard sheets to be processed, without the need of performing very complex and long adjustments.
  • said slitting heads have a diameter corresponding to a sub-multiple of the cardboard sheet feeding pitch.
  • first and second shafts are driven by the main driving assembly of the slitting machine through a toothed pulley thereon a toothed belt is engaged.
  • the fist and second shafts, supporting said slitting heads are driven by brushless motors and comprise broached shafts.
  • the adjusting carriage is driven by a gear-motor unit allowing said carriage to slide in a direction substantially perpendicular to the cardboard sheet feeding direction in order to locate said slotting heads at a desired slotting point, depending on the size of the cardboard sheet being processed.
  • the invention provides the following advantages with respect to the prior art.
  • slotting heads can be driven independently from the driving heads and that said slotting heads are supported by the mentioned adjusting carriage and not by the turning shaft thereof.
  • slotting heads can be driven by a power much less than that which would be necessary in prior machines, in which the slotting heads are mounted on shafts which also operate for supporting said heads.
  • a further advantage of the present invention is that the diameter of the slotting heads corresponds to a half of the feeding pitch of the cardboard sheet; thus, the brushless motors can be operated with the same operation speed as the machine, as the length of the cardboard sheet being processed is not larger than the extension of the slotting heads, thereby providing a high operation performance for given lengths of the cardboard sheets to be processed.
  • Figure 1 shows the slotting and creasing device according to the invention.
  • the device comprises a supporting carriage 18, sliding on rails 25, supporting a plurality of slotting and creasing assemblies, of which the slotting and creasing assembly shown in Figure 1 comprises a first assembly or set of slotting heads 7 and 9 and a second assembly or set of slotting heads 7' and 9', and comprising moreover toothed pulleys 2 and 3.
  • the slotting heads 7, 9 and 7', 9' are respectively mounted on a first and second broached shafts 6 and 6', which are arranged at a position substantially parallel and so that the slotting heads 7, 9 and 7' and 9' will operate on a same plane; moreover, between the heads 7, 9 and 7', 9' counter-creasing wheels 32 are provided.
  • Each said slotting head is provided with slotting blades 8 which, as rotatively driven by the rotary broached shafts 6, 6', will operate on the cardboard sheet 14 in order to provide suitable slots therethrough.
  • the slotting and creasing assembly comprises moreover toothed pulleys 2 and 3, which are mounted on a broached shaft 1, which is driven by the main driving assembly of the machine.
  • Said elements included in said slotting and creasing assembly of Figure 1 are coupled by a belt transmission, including a toothed belt 4 associated with suitable belt tension elements 27.
  • the belt 4 in cooperation with a first counter-slotting head 12, 13 assembly and a second counter-slotting head 12', 13' assembly, as well as with creasing heads 31, will define a space therethrough the cardboard sheet 14 being processed is entrained.
  • the slotting heads 7, 9 and 7', 9' have an extension corresponding to a sub-multiple of the feeding pitch of the cardboard sheet 14.
  • said counter-slotting heads 12, 13 and 12', 13' are mounted on expanding shafts 11 whereas the creasing heads 31 are mounted on an expanding shaft 30.
  • Each said counter-slotting head is provided with counter-blades 16, 17 cooperating with the slitting blades 8 in order to provide the cardboard sheet 14 with a plurality of throughgoing slots.
  • the assembly of said counter-slotting and creasing elements can slide on axes 29, to which said assembly is coupled by coupling elements 28, through a carriage 33 which is driven jointly with the mentioned carriage 18.
  • the carriage 18 is driven by a geared motor unit 23 allowing said carriage to slide on shafts 20 in turn coupled, by coupling elements 22, to the support 26 supporting the rails 25.
  • Figure 2 is a cross-sectioned view, taken substantially along the broken section line A-A, showing the slotting and creasing device according to the present invention.
  • the slotting heads 7, which are mounted on said broached shaft 6, can be disconnected from the driving heads 5, thereby allowing said slotting heads to be driven independently from the driving heads 5, in order to provide through the cardboard sheet 14 the mentioned throughgoing slots, by the slotting blades 8, at any desired time.
  • the slotting and creasing device according to the invention will operate as follows.
  • the broached shaft 1 is driven by the main driving unit of the machine, and in turn said shaft will rotatively drive the toothed pulleys 2, 3 which will in turn rotatively drive the toothed pulleys 5 through the toothed belt 4.
  • the broached shaft 6 is driven by a geared motor unit including brushless motors, provided for causing the heads 7 to perform a revolution for each passage of the cardboard sheet, while stopping waiting for a following cardboard sheet.
  • the slotting blades 8, mounted on the slotting heads 7 and 9, will successively cut through the cardboard sheet 14 to provide the mentioned slots therethrough.
  • slotting heads 7, 9 are supported by their supporting carriage 18, and not by the driving shaft therefor, as it occurs in prior machines, said slotting heads can be stopped and turned again in a very easy manner and with a very reduced power consumption.
  • the expanding shafts 11 and 30 will be rotatively driven by the main driving unit of the machine, thereby driving in turn the counter-slotting heads 12, 13 and 12', 13' as well as the creasing heads 31.
  • the carriage 18 can be cross driven along the machine in order to locate the heads at a desired slotting point, depending on the size of the cardboard sheet being processed, in which the slotting blades 8 will be engaged between the counter-blades 16 and 17.
  • the expanding shafts 11 and 30 will release the counter-slotting heads 12 and 13 as well as the creasing heads 31.
  • the carriage 18, during its movement, will entrain the counter-slotting heads 12, 13 and 12', 13' and the counter-slotting heads 12, 13 and 12', 13' associated with the carriage 33 sliding on the axes 29, thereby entraining the creasing head 31.
  • the supporting carriage 18 will be driven along the rails 25 by the geared motor unit 23.
  • the slotting heads can be designed, depending on several possible constructional variations of the inventive device, with a diameter corresponding to a sub-multiple of the cardboard sheet feeding pitch, and a diameter corresponding to a half of the cardboard sheet feeding pitch, or also with a diameter corresponding to the feeding pitch of the cardboard sheet.
  • the transmission system for transmitting the driving motion from the pulleys 2 and 3 to the driving heads can comprise, in addition to the toothed belt 4, other mechanical equivalent means, for example a trapezoidal belt, a driving chain or a gear system.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)

Claims (7)

  1. Vorrichtung zum Einschneiden und Rillen eines Kartonbogens (14), die eine Mehrzahl von Kartonbogeneinschneide- und -antriebsbaugruppen umfasst, wobei jede der Einschneide- und Antriebsbaugruppen eine erste und eine zweite Mehrzahl von Einschneideköpfen (7, 9;7', 9') und Antriebsköpfen (5) umfasst und die Antriebsköpfe (5) zum Zuführen des einzuschneidenden Kartonbogens (14) konstruiert sind,
    dadurch gekennzeichnet, dass
    die erste und zweite Mehrzahl von Einschneideköpfen und Antriebsköpfen abnehmbar verbunden und unabhängig antreibbar sind, wobei die Einschneideköpfe (7,9 und 7',9') jeweils auf einer ersten und einer zweiten parallelen Welle (6,6') angebracht sind und die Kartonbogeneinschneide- und -antriebsbaugruppen zur Einstellung des Zwischenraumes zwischen parallelen Einschneideköpfen von demselben Trägerschlitten (18) getragen werden, und dass die Wellen (6,6') geräumt sind.
  2. Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet, dass
    die erste und zweite Mehrzahl von Einschneideköpfen (7,9;7',9') einen Durchmesser aufweisen, der einem ganzzahligen Teiler der Zufuhrteilung des Kartonbogens (14) entspricht.
  3. Vorrichtung nach Anspruch 1,
    dadurch gekennzeichnet, dass
    die ersten und zweiten geräumten Wellen (6,6') von einer Hauptantriebseinheit der Einschneidemaschine durch gezahnte Laufrollen (2,3) angetrieben werden, auf denen ein Zahnriemen (4) mitgeführt wird.
  4. Vorrichtung nach einem oder mehreren der vorangegangenen Ansprüche,
    dadurch gekennzeichnet, dass
    für jede Einschneide- und Antriebsbaugruppe eine Mehrzahl von zwischen den Einschneideköpfen angeordneten Gegenrillrädern (12,13;12',13') vorgesehen sind.
  5. Vorrichtung nach einem oder mehreren der vorangegangenen Ansprüche,
    dadurch gekennzeichnet, dass
    die die Einschneideköpfe tragenden ersten und zweiten geräumten Wellen (6,6') mit bürstenlosen Motoren angetrieben werden.
  6. Vorrichtung nach einem oder mehreren der vorangegangenen Ansprüche,
    dadurch gekennzeichnet, dass
    der Trägerschlitten (18) durch eine Getriebemotoreinheit (23) angetrieben wird, der den Trägerschlitten zum Gleiten in einer im wesentlichen senkrecht zu der Zufuhrrichtung des Kartonbogens (14) verlaufenden Richtung veranlasst, um die Einschneideköpfe in Abhängigkeit von der Größe des in Verarbeitung befindlichen Kartonbogens (14) an einem voreingestellten Einschneidepunkt zu positionieren.
  7. Vorrichtung nach einem oder mehreren der vorangegangenen Ansprüche,
    dadurch gekennzeichnet, dass
    eine Mehrzahl von auf einem Trägerschlitten (33), der gemeinsam mit dem zuerst erwähnten Trägerschlitten (18) antreibbar ist, angeordneten Gegeneinschneideköpfen und Rillköpfen (12,13;12',13') mit den Baugruppen zum Einschneiden und Antreiben von Kartonbogen verbunden sind.
EP99107258A 1998-05-08 1999-04-14 Vorrichtung zum Einschneiden und Rillen von Bögen aus Karton Expired - Lifetime EP0955156B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI981008 1998-05-08
IT98MI001008A IT1299213B1 (it) 1998-05-08 1998-05-08 Dispositivo di fenditura e cordonatura per cartone in fogli

Publications (2)

Publication Number Publication Date
EP0955156A1 EP0955156A1 (de) 1999-11-10
EP0955156B1 true EP0955156B1 (de) 2003-03-12

Family

ID=11379986

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99107258A Expired - Lifetime EP0955156B1 (de) 1998-05-08 1999-04-14 Vorrichtung zum Einschneiden und Rillen von Bögen aus Karton

Country Status (4)

Country Link
EP (1) EP0955156B1 (de)
DE (1) DE69905790T2 (de)
ES (1) ES2192354T3 (de)
IT (1) IT1299213B1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1316185B1 (it) * 2000-01-24 2003-04-03 Engico Srl Macchina automatica per la fenditura e la cordonatura di cartone infogli e simili
ITMI20020273A1 (it) * 2002-02-12 2003-08-12 Engico Srl Dispositivo fustellatore atto ad eseguire fenditure perpendicolare alla direzione di avanzamento di fogli di cartone utilizzati per la fabbr
DE102007048657A1 (de) * 2007-10-10 2009-04-16 Heidelberger Druckmaschinen Ag Rotationsprägeeinrichtung
IT1403906B1 (it) * 2011-01-26 2013-11-08 Gima Spa Apparato e metodo per realizzare sbozzati
CN111823641B (zh) * 2020-08-15 2024-04-05 山东通瑞智能装备有限公司 一种全自动化纸箱裁切机

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1513324A (en) * 1976-01-15 1978-06-07 Simon Container Mach Ltd Production of carton blanks
US4781668A (en) * 1986-10-30 1988-11-01 Don Mowry Flexo, Inc. Cutting device for a corrugated box machine
FR2643586B1 (fr) * 1989-02-24 1991-05-03 Martin Sa Dispositif de decalage de la position laterale d'un outil dans la station d'encochage au sein d'une machine usinant des elements en plaque
CH682549A5 (fr) * 1990-02-21 1993-10-15 Peters W Maschf Machine à refouler et couper en long une bande de matière qui défile.
IT1278645B1 (it) * 1995-04-14 1997-11-27 Fosber Spa Impianto di cordonatura e taglio di materiale laminare, come cartone o simile
GB9513771D0 (en) * 1995-07-06 1995-09-06 Scm Container Mach Ltd Rotary slotting device

Also Published As

Publication number Publication date
DE69905790T2 (de) 2004-03-25
EP0955156A1 (de) 1999-11-10
ITMI981008A1 (it) 1999-11-08
DE69905790D1 (de) 2003-04-17
IT1299213B1 (it) 2000-02-29
ES2192354T3 (es) 2003-10-01

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