EP1492651B1 - Dispositif de coupe servant a decouper une feuille et comprenant un cadre et un rouleau presseur - Google Patents

Dispositif de coupe servant a decouper une feuille et comprenant un cadre et un rouleau presseur Download PDF

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Publication number
EP1492651B1
EP1492651B1 EP03719261A EP03719261A EP1492651B1 EP 1492651 B1 EP1492651 B1 EP 1492651B1 EP 03719261 A EP03719261 A EP 03719261A EP 03719261 A EP03719261 A EP 03719261A EP 1492651 B1 EP1492651 B1 EP 1492651B1
Authority
EP
European Patent Office
Prior art keywords
frame
carriage
pressure roller
cutting device
coupled
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
EP03719261A
Other languages
German (de)
English (en)
Other versions
EP1492651A1 (fr
Inventor
Cornelis Hermanus Ponsteen
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.)
Individual
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Individual
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Publication date
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Publication of EP1492651A1 publication Critical patent/EP1492651A1/fr
Application granted granted Critical
Publication of EP1492651B1 publication Critical patent/EP1492651B1/fr
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
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
    • B26F1/42—Cutting-out; Stamping-out using a press, e.g. of the ram type having a pressure roller

Definitions

  • the invention relates to a cutting device for cutting from a width of a foldable sheet material with a determined breadth sheets having respective beginning and end profiles extending over the breadth according to the preamble of claim 1, such a device is disclosed by DE-A-1947796.
  • Such a cutting device is intended particularly for cutting from a width of endless cardboard sheets which are provided in the longitudinal direction of the width with crease lines in longitudinal direction, and which are provided on their end surfaces with crease lines in transverse direction for folding over end parts therealong which are bounded on their ends by respective beginning and end profiles.
  • US-A-3823636 discloses a cutting device for cutting flat materials, such as plastic sheets, leather, textiles, and even flat pieces of meat to be cut into goulash cubes.
  • This device comprises a.o. a roller press having a base, a center post, material supporting means and roller means arranged in such a manner that the roller means or the material supporting means or both may be journaled about the center post whereby a relative movement between the material supporting means and the roller means is accomplished either by hand operation or by driving means, which movement follows a circular path about said center axis.
  • This device is not suited for cutting sheets from a width of endless sheet material, e.g. cardboard.
  • the sheets are cut from the width of sheet material by guiding this width over the frame, carrying the stamp with the knives onto the width and displacing the carriage with pressure roller along the underside of the width, wherein the pressure roller presses against the knives and the desired profile is thus formed on the end surfaces of the sheet for cutting.
  • the stamp and the pressure roller are both coupled to the frame, the forces exerted by the stamp and the pressure roller are absorbed within the construction of the cutting device, inside the part of this construction in which the stamp and the pressure roller are arranged. Because the carriage is coupled rigidly to the frame on only one side in axial direction, i.e. it is fixed, the occurrence of frictions in the suspension of the carriage, and thereby the occurrence of wear of the pressure roller and the knives and the ensuing reduced quality of the cut edges of the sheets for cutting, are prevented.
  • the carriage is provided with cylindrical wheels co-acting with the flat underside of the first rail.
  • the cutting device according to the invention is provided with a pneumatic drive for the carriage.
  • the cutting device is provided with a drive spindle for the carriage, wherein the carriage is preferably coupled to a spindle nut which is displaceable along the drive spindle and which is received for movement over a predetermined distance in directions transversely of the drive spindle in a housing coupled fixedly to the carriage.
  • the cutting device is provided with a belt of a flexible material tensioned horizontally by the carriage on either side of the pressure roller and round two reversing rollers extending parallel to the pressure roller for the purpose of providing a guide surface for a width of sheet material for guiding over the frame.
  • the pressure roller is at least provided with a surface layer of a plastic material on a basis of polychloroprene.
  • a pressure roller with at least one surface covering of polychloroprene a strong and very wear-resistant plastic material known under the trade name of neoprene, can particularly withstand the repetitive load by the knives at the same position each time, without local crumbling of the material and ensuing formation of peripheral tracks in the pressure roller.
  • the central surface of the stamp is preferably covered with a relatively poorly compressible material and the peripheral surfaces are covered with a relatively readily compressible material.
  • the central surface is for instance covered with a rubber with a determined first Shore value for the hardness
  • the peripheral surfaces are covered with a rubber with a second Shore value for the hardness which is lower than the first Shore value.
  • the device is provided in yet another embodiment with a flat plate between the knives and the displaceable pressure roller for the purpose of providing an indirect contact between the knives and the pressure roller.
  • Fig. 1 shows a part of a cutting device 1 in a schematically represented cutting and folding line 2 for endless cardboard. Shown are a horizontal frame 3 over which the cardboard for cutting is guided, and an auxiliary frame 4 which is coupled fixedly to this frame and in which a stamp 5 is mounted. Stamp 5 is pivotable relative to auxiliary frame 4 and is shown in folded-open position. Stamp 5 is provided with knives (not shown), wherein the central surface 6 of stamp 5 bounded by these knives corresponds to waste pieces to be cut from the width of cardboard, and the peripheral surfaces 7, 7' adjacent to central surface 6 correspond to respectively an end part and a beginning part of successive sheets. The central surface 6 is covered with a layer of a hard rubber, the peripheral surfaces 7, 7' are covered with a soft rubber type.
  • the central surface 6 corresponds to waste pieces to be cut out
  • the peripheral surfaces 7 on the left in the drawing correspond to the end parts of a first packaging for cutting
  • the peripheral surfaces 7' on the right in the drawing correspond to the end parts of a second packaging for cutting.
  • Stamp 5 can be folded down and connected fixedly to auxiliary frame 4 on fixing supports 9, in which situation the knives of stamp 5 extend downward to a position just above the surface of a width of cardboard to be cut.
  • auxiliary frame 4 Further coupled to auxiliary frame 4 is a frame 10 with four rotatable discs 11 for arranging crease lines in longitudinal direction in the width of cardboard.
  • suitable pressing elements are arranged at the locations suitable for the purpose in stamp 5. These pressing elements are metal strips similar to the knives, albeit without sharp cutting edge.
  • Fig. 2 shows a carriage 13 in which a pressure roller 14 is suspended.
  • the carriage 13 is coupled to frame 3, wherein carriage 13 is fixed on its left-hand side in axial direction of pressure roller 14 (shown in fig. 3) and is guided on the right-hand side 15 on cylindrical wheels 16 over a rail (shown in fig. 3) with a rectangular cross-section such that carriage 13 is movable on its right-hand side 15 in axial direction of pressure roller 14.
  • Carriage 13 is displaceable in transverse direction 12 of the cardboard width in a manner such that the pressure roller 14 is displaceable in transverse direction 12 of the cardboard width under frame 3 and in contact with the knives of stamp 5 (in folded-down position).
  • Fig. 3 is a front view in operative situation of the carriage 13 shown in fig. 2.
  • Carriage 13 is suspended on its right-hand side 15 with cylindrical wheels 16 from a rail 17 of rectangular cross-section which is mounted on an element 18 coupled to frame 3 of the cutting device, is suspended on its left 24 upper side with wheels 19 provided with a V-shaped groove 23 which co-act with a rail 21 which has a wedge-shaped cross-section on its upper side, wherein cylindrical wheels 20 co-act with the flat underside of rail 21 which is mounted on an element 22 coupled to frame 3 of the cutting device.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Sawing (AREA)

Claims (10)

  1. Dispositif de coupe (1) pour découper, dans une largeur de matière en feuille pliable ayant une largeur déterminée, des feuilles présentant un profil initial et un profil final respectifs s'étendant sur la largeur, comprenant
    - un cadre (3) qui est horizontal en situation de travail pour guider une largeur d'une matière en feuille pliable au-dessus de celui-ci dans une direction de transport déterminée,
    - un tampon (5) qui peut être placé au-dessus de ce cadre (3) et couplé à ce cadre (3) et qui est pourvu successivement, dans la direction de transport (8), de couteaux correspondant au profil initial et au profil final, dans lequel la surface centrale (6) du tampon délimitée par ces couteaux correspond à des pièces perdues à découper dans la largeur, et les surfaces périphériques (7, 7') adjacentes à la surface centrale (6) correspondent respectivement à une partie initiale et à une partie finale de feuilles successives, et
    - un rouleau presseur (14) suspendu en dessous de et à ce cadre (3) dans un chariot (13) et déplaçable en contact avec ces couteaux, chariot (13) qui est rigidement couplé au cadre (3) dans la direction axiale du rouleau presseur (14) sur un premier côté (24), où il est guidé sur un premier rail (21) avec une section transversale en forme de coin, et est couplé de façon mobile au cadre (3) sur un deuxième côté opposé (15) dans la direction axiale du rouleau presseur (14), dans lequel
    - un cadre auxiliaire (4) est couplé de façon fixe au cadre horizontal (3), cadre auxiliaire (4) dans lequel le tampon (5) est monté de façon pivotante, tampon (5) qui peut être connecté de façon fixe au cadre auxiliaire (4) dans une situation dans laquelle les couteaux du tampon (5) s'étendent vers le bas jusqu'à une position située juste au-dessus de la surface d'une largeur d'une matière en bande à couper, et caractérisé en ce que
    - le chariot (13) est suspendu sur son premier côté (24) par des roues (19) pourvues d'une gorge en V (23) qui coopèrent avec le premier rail (21) qui est couplé au cadre horizontal (3) et qui présente une section transversale en forme de coin sur son côté supérieur, et le chariot (13) est suspendu sur son second côté (15) par des roues cylindriques (16) à un second rail (17) de section transversale rectangulaire, qui est couplé au cadre horizontal (3).
  2. Dispositif de coupe (1) selon la revendication 1, caractérisé en ce que le chariot (13) est pourvu de roues cylindriques (20) coopérant avec le côté inférieur plat du premier rail (21).
  3. Dispositif de coupe (1) selon les revendications 1-2, caractérisé en ce qu'il est pourvu d'un entraînement pneumatique pour le chariot (13).
  4. Dispositif de coupe (1) selon les revendications 1-2, caractérisé en ce qu'il est pourvu d'une broche d'entraînement pour le chariot (13).
  5. Dispositif de coupe (1) selon la revendication 4, caractérisé en ce que le chariot (13) est couplé à un écrou de broche qui est déplaçable le long de la broche d'entraînement et qui est monté de façon à se déplacer sur une distance prédéterminée dans des directions transversales à la broche d'entraînement dans un boîtier couplé de façon fixe au chariot.
  6. Dispositif de coupe (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'il est pourvu d'une courroie en une matière flexible tendue horizontalement par le chariot (13) sur les deux côtés du rouleau presseur et autour de deux rouleaux de renvoi s'étendant parallèlement au rouleau presseur dans le but de procurer une surface de guidage pour une largeur de matière en bande à guider au-dessus du cadre.
  7. Dispositif de coupe (1) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le rouleau presseur (14) est au moins pourvu d'une couche de surface en une matière plastique à base de polychloroprène.
  8. Dispositif de coupe (1) selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la surface centrale (6) du tampon (5) est recouverte d'une matière relativement peu compressible et les surfaces périphériques (7, 7') sont recouvertes d'une matière relativement facilement compressible.
  9. Dispositif de coupe (1) selon la revendication 8, caractérisé en ce que la surface centrale (6) est recouverte d'un caoutchouc avec une première valeur prédéterminée de dureté Shore, et les surfaces périphériques (7, 7') sont recouvertes d'un caoutchouc avec une deuxième valeur de dureté Shore, qui est inférieure à la première valeur de dureté Shore.
  10. Dispositif de coupe (1) selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'il est pourvu d'une plaque plate entre les couteaux et le rouleau presseur déplaçable (14) afin de procurer un contact indirect entre les couteaux et le rouleau presseur (14).
EP03719261A 2002-03-20 2003-03-19 Dispositif de coupe servant a decouper une feuille et comprenant un cadre et un rouleau presseur Expired - Lifetime EP1492651B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1020212A NL1020212C2 (nl) 2002-03-20 2002-03-20 Snij-inrichting voor het snijden van een plaat uit een baan van een vouwbaar plaatmateriaal.
NL1020212 2002-03-20
PCT/NL2003/000202 WO2003078116A1 (fr) 2002-03-20 2003-03-19 Dispositif de coupe servant a decouper une feuille et comprenant un cadre et un rouleau presseur

Publications (2)

Publication Number Publication Date
EP1492651A1 EP1492651A1 (fr) 2005-01-05
EP1492651B1 true EP1492651B1 (fr) 2007-03-07

Family

ID=28036325

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03719261A Expired - Lifetime EP1492651B1 (fr) 2002-03-20 2003-03-19 Dispositif de coupe servant a decouper une feuille et comprenant un cadre et un rouleau presseur

Country Status (6)

Country Link
EP (1) EP1492651B1 (fr)
AT (1) ATE355944T1 (fr)
AU (1) AU2003235369A1 (fr)
DE (1) DE60312310T2 (fr)
NL (1) NL1020212C2 (fr)
WO (1) WO2003078116A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2757728A (en) * 1954-09-23 1956-08-07 Romm Cutting by moving roller horizontally over die which is free for vertical movement
US3000430A (en) * 1957-02-05 1961-09-19 Johnson & Johnson Method and machine for cutting adhesive bandages from a web
DE1947796A1 (de) * 1969-09-20 1971-04-08 Roeder & Spengler Ohg Stanzmaschine
NL7205617A (fr) * 1971-05-19 1972-11-21
GB1584827A (en) * 1978-05-31 1981-02-18 Baxter W H Footwear manufacture and repair
JP2552994B2 (ja) * 1992-10-29 1996-11-13 アイセル株式会社 打抜き方法及び打抜き装置

Also Published As

Publication number Publication date
WO2003078116A1 (fr) 2003-09-25
AU2003235369A1 (en) 2003-09-29
ATE355944T1 (de) 2007-03-15
NL1020212C2 (nl) 2003-09-23
DE60312310D1 (de) 2007-04-19
DE60312310T2 (de) 2007-12-20
EP1492651A1 (fr) 2005-01-05

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