EP0384161B1 - Dispositif de fixation d'une forme d'usinage sur un cylindre porte-outil dans une machine rotative - Google Patents

Dispositif de fixation d'une forme d'usinage sur un cylindre porte-outil dans une machine rotative Download PDF

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Publication number
EP0384161B1
EP0384161B1 EP90101671A EP90101671A EP0384161B1 EP 0384161 B1 EP0384161 B1 EP 0384161B1 EP 90101671 A EP90101671 A EP 90101671A EP 90101671 A EP90101671 A EP 90101671A EP 0384161 B1 EP0384161 B1 EP 0384161B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
oblique
fact
circular
grooves
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
EP90101671A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0384161A1 (fr
Inventor
Bernard Capdeboscq
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.)
Martin SA
Original Assignee
Martin SA
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 Martin SA filed Critical Martin SA
Publication of EP0384161A1 publication Critical patent/EP0384161A1/fr
Application granted granted Critical
Publication of EP0384161B1 publication Critical patent/EP0384161B1/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
    • 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
    • B26D7/2614—Means for mounting the cutting member
    • 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
    • B26D2007/2607—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member for mounting die cutters
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7018—Interfitted members including separably interposed key
    • Y10T403/7021—Axially extending
    • Y10T403/7024—Longitudinally stepped or tapered
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7062—Clamped members
    • Y10T403/7064—Clamped members by wedge or cam
    • Y10T403/7066—Clamped members by wedge or cam having actuator
    • Y10T403/7067—Threaded actuator
    • Y10T403/7069—Axially oriented
    • 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
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • 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
    • Y10T83/929—Tool or tool with support
    • Y10T83/9372—Rotatable type
    • Y10T83/9377—Mounting of tool about rod-type shaft
    • 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
    • Y10T83/929—Tool or tool with support
    • Y10T83/9457—Joint or connection
    • Y10T83/9464—For rotary tool
    • Y10T83/9466—Flexible sleevelike tool

Definitions

  • the present invention relates to a device for fixing a form of machining to a tool cylinder in a rotary machine such as can be encountered in a machine for converting cardboard boxes.
  • a tool cylinder has a grid of orifices threaded to directly screw a form against this cylinder.
  • the centrifugal forces appearing at the level of the form are substantial and they tend to tear this form out of the cylinder. It is therefore imperative, according to this technique, to screw this shape at very numerous points causing too long periods of immobilization of the machine during the exchange of such shapes.
  • each screw must be individually tightened, it is not excluded that one or more may be forgotten, which requires a long and tedious check at the end of the maneuver to avoid any accident.
  • the object of the present invention is a device for fixing a form of machining to its tool-carrying cylinder allowing convenient and rapid assembly while ensuring real efficiency as regards the firm and systematic maintenance of this form.
  • Such a device must also ensure a maximum bearing surface between the form and the cylinder.
  • a fixing device in which the machining form is provided on its internal face with a series of parallel arches of which all the faces on the same side have oblique parts oriented towards the outside and in which the tool cylinder has on its external face a first series of transverse circular grooves inside which the arches come to sit in correspondence of the machining shape, and a second series of longitudinal grooves, deeper than the first, in each of which is housed, held in the radial direction but movable in sliding, a rod-lock.
  • These lock rods have at each circular groove a transverse notch which is at least as deep as the thickness of the arches.
  • rods are actuated by sliding by mechanical and / or pneumatic and / or electrotechnical means so that all the walls on the same side of the transverse notches engage the arches to lock them in their corresponding circular groove.
  • the form of machining are two semi-cylindrical shells, and the lock rods as well as their respective grooves have, seen in cross section, an inverted tee shape.
  • the transverse circular grooves have a rectangular section and all the walls on the same side of the transverse notches of the bolt rods vis-à-vis which are positioned the oblique parts of the arches seated in the circular grooves are themselves oblique inwardly oriented.
  • the transverse notches of the locking rods are parallelepiped. All the faces on the same side of the arches are then oblique facing outwards and all the walls on the same side of the transverse circular grooves lying opposite the oblique faces of the arches are themselves oblique and oriented. towards the inside.
  • the mechanical means slidingly actuating each rod-lock in its longitudinal groove is a screw held fixed longitudinally but movable in rotation by the wall side of the cylinder at the end of the longitudinal groove.
  • the head of this screw appears outside the cylinder, and the threaded part is engaged in a longitudinal threaded orifice drilled at the corresponding end of the lock rod.
  • a machining form 100 is generally presented as a portion of a wooden cylinder in which cutting tools 120 are attached.
  • the radius of curvature of this shape 100 is substantially equal to the outside radius of the tool cylinder 200 against which it is intended to be fixed.
  • it has frequently been found to be more useful to use only two identical shapes each covering one half of a cylinder. This particular shape which is therefore semi-cylindrical, is referred to in the following description as a "shell" 100.
  • This shape or shell 100 is moreover provided on its internal face, therefore oriented towards its axis of rotation, with a series of metal arches 150 of rectangular section which each belong to a plane orthogonal to the axis of rotation.
  • Each roll bar 150 is permanently fixed to the machining form 100 by screws 125, it being understood that any other solid connection means, by key for example, is also suitable.
  • all the lateral faces on the same side of the arches 150, on the left side in FIG. 1, have oblique parts 155 and oriented towards the outside.
  • these arches 150 have a rectangular cross section but the parts 155 have a trapezoidal cross section whose inner face is wider than the outer face in contact with the shape 100 and one of the side faces of which is generally perpendicular to the form 100 while the other is oblique, presenting with the internal face of this same form 100 an angle between 30 and 60 degrees.
  • the tool cylinder 200 has a series of circular transverse grooves 210 which, in this case, have a also rectangular cross section of width and depth at least equal to the width and height of the corresponding arches 150 coming from sit there when installing the form.
  • This cylinder 200 also has a series of longitudinal grooves 260 hollowed out at regular intervals along the circumference of this cylinder. These longitudinal grooves 260 are deeper than the circular grooves 210 so that there can be accommodated in each of them a lock rod 270 held in the radial direction but movable in longitudinal sliding. To this end and as illustrated in FIG. 1, the rods 270 as well as the longitudinal grooves 260 have, seen in cross section, an inverted T shape. The T-shape of the groove can be obtained either by direct cutting using a special tool, or by cutting a first wider rectangular groove and by relating to the upper edges by screwing or welding two lips on either side. .
  • Each lock rod has at the intersection with each groove 210 a notch 275 of depth equal to these same grooves.
  • the shapes or shells 100 being provided to be installed on the cylinder 200 so that each oblique part 155 sits in the notches 275, the wall 276 of the notch 275 being found opposite the oblique part 155 of the roll bar 150 is itself oblique but oriented downwards.
  • This wall 276 presents with the horizontal bottom of the notch 275 an angle between 30 and 60 degrees, preferably identical to that existing between the oblique part 155 of the arch 150 with the internal face of the machining shape 100.
  • the transverse notch 275 has a trapezoidal section, the internal face of which is wider than the external face, which itself is at least as wide as the groove 210, therefore that the internal face of the arch. 150.
  • a notch 101 is provided on the lateral edge of the form 100 into which a lug 201 also penetrates on the lateral edge of the cylinder.
  • the lug can inversely belong to the shape and the notch is then cut in the edge of the cylinder.
  • the length of the latch rod 270 is such that it can slide in the longitudinal groove 260.
  • the position of this latch rod 270 in this groove 260 is imposed by mechanical means which, in the embodiment of Figure 1 is a control screw 300.
  • This control screw 300 is held fixed longitudinally but movable in rotation by the side face of the tool cylinder 200.
  • the threaded portion 320 is engaged in a threaded hole 330 drilled with corresponding end of the locking rod 270.
  • the screw head 310 emerges from the lateral face of the cylinder 200, therefore accessible to an operator.
  • each screw head 310 is first turned in such a direction, normally anti-clockwise, that the corresponding bolt rod 270 is moved towards the left lateral face of the cylinder. This rotation is carried out until the end of this bolt rod 270 abuts at the end of the longitudinal groove 260 close to the screw head 310.
  • each notch 275 In this position, the oblique wall 276 of each notch 275 is entirely out of the corresponding transverse circular grooves 210 and the opposite wall of the notch is flush with the right edge of the groove.
  • Figure 2 is illustrated a variant of the fixing device in which identical references are used to designate similar parts.
  • the form of machining or shell 100 is strictly identical to that described above.
  • all of the faces facing right 156 of the arches 150 are oblique.
  • the tool cylinder 200 has a series of transverse circular grooves 211 and a series of longitudinal grooves 260 in which rods 270 slide under the action of control screws 300.
  • this are the walls themselves 212 of the circular grooves 211 situated opposite the oblique faces 155 of the arches 150 which are oblique oriented downwards.
  • the width of the grooves 211 at the level of the surface of the cylinder 200 must at least be equal to that of the internal face of the arch 150.
  • the notches 280 cut in the bolt rod 270 at the intersection of each groove 211 preferably has a rectangular shape, that is to say that the two right and left walls are vertical.
  • this variant has the advantage of achieving effective securing of this shape against the cylinder over the entire length of the hoops concerned.
  • the face opposite to the face comprising oblique parts 155 of the arch 150 can itself also be oblique oriented towards the outside by a possibly lesser angle, or between 70 and 80 degree.
  • the initially vertical straight wall of each groove 210 is then also oblique and oriented inward at the same angle of between 70 and 80 degrees. Due to such an angle value, the lateral displacement of the form 100 on the cylinder 200 is small but the engagement of these sides in the corresponding walls of the grooves 210 is sufficient to take over part of the holding forces.
  • These means comprise in common, for each lock rod 270, a spring 400 acting between a nut 207 screwed into the right lateral face 205 of the tool-carrying cylinder 200 and a stopper 410 bearing on a lower tongue 271 of the lock rod 270.
  • the nut 207 is there only to facilitate assembly and replacement, when necessary, of the spring 400, and it in fact constitutes an extension of the right side wall 205 of the cylinder.
  • This spring 400 is held longitudinally by an internal rod 405. As shown in FIGS. 3 and 4, the oblique parts 155 of the arches 150 also being oriented towards the right side of the cylinder 200, the spring 400 tends to hold the rod 270 and the oblique faces 276 engaged in the arches 150.
  • the mechanical and pneumatic means further comprise a jack 460 mounted on a part station near the cylinder 200.
  • This actuator actuates a support plate 450 having the shape of a half-crown parallel to the lateral face of the cylinder and located near the upper edge of this same face.
  • each latch rod 270 has an extension 278, in the example of FIG. 3 in the form of a rod, sliding freely passing through the side wall of the cylinder.
  • the mechanical and pneumatic means comprise, located on the left side of the cylinder, two semi-annular jacks 430a and 430b enclosed in a carcass 435 secured to the cylinder 200 which it extends.
  • Each cylinder acts between the wall of the carcass 435 and a half-crown 440a and 440b respectively.
  • Each half-crown presses simultaneously on all the tabs 279 extending, at their left end, the rods-locks 270 relating to one of the two shells.
  • the lower right half of FIG. 4 illustrates the situation of the rectangular portion of the arch 150 in the circular groove 210.
  • the machining form 100 can also be made of metal.
  • the hoops 150 can be an integral part of the machining form or be added by welding.
  • the oblique faces of the arches 150 or of the wall 276 of the notch 275 or of the side wall 212 of the groove 211 may not be linear but concave or convex according to the respective technical advantages.

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)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Crushing And Grinding (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Details Of Cutting Devices (AREA)
  • Forging (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Actuator (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Turning (AREA)
EP90101671A 1989-02-24 1990-01-27 Dispositif de fixation d'une forme d'usinage sur un cylindre porte-outil dans une machine rotative Expired - Lifetime EP0384161B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8902729 1989-02-24
FR8902729A FR2643585A1 (fr) 1989-02-24 1989-02-24 Dispositif de fixation d'une forme d'usinage sur un cylindre porte-outil dans une machine rotative

Publications (2)

Publication Number Publication Date
EP0384161A1 EP0384161A1 (fr) 1990-08-29
EP0384161B1 true EP0384161B1 (fr) 1993-02-24

Family

ID=9379287

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90101671A Expired - Lifetime EP0384161B1 (fr) 1989-02-24 1990-01-27 Dispositif de fixation d'une forme d'usinage sur un cylindre porte-outil dans une machine rotative

Country Status (10)

Country Link
US (1) US5003854A (es)
EP (1) EP0384161B1 (es)
JP (1) JPH0611478B2 (es)
AT (1) ATE85932T1 (es)
BR (1) BR9000812A (es)
CA (1) CA2010761C (es)
DE (1) DE69000940T2 (es)
DK (1) DK0384161T3 (es)
ES (1) ES2039099T3 (es)
FR (1) FR2643585A1 (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5379671A (en) * 1993-02-16 1995-01-10 Xynatech, Inc. Magnetic saddle for non-magnetic die-cutting cylinders
US6532854B2 (en) 1994-01-21 2003-03-18 Best Cutting Die Company Cutting die clamping mechanism
US5697277A (en) * 1994-05-17 1997-12-16 Best Cutting Die Company Multi use rotary die plate system
ES2120320B1 (es) * 1995-02-22 1999-05-01 Com Ind Maq Carton Ondulado Sistema para la sujecion de troqueles rotativos en maquinas troqueladoras de material laminar.
US5638733A (en) 1995-09-01 1997-06-17 Texo S.R.L. Rotary die cutter unit with rapid die connection
US5875699A (en) * 1997-01-16 1999-03-02 Dynamic Dies, Inc. Cutting die mounting system
US6076444A (en) * 1997-08-01 2000-06-20 Best Cutting Die Company Panel cutting apparatus with selectable matrices for vacuum and air
FI104510B (fi) * 1998-05-25 2000-02-15 Tamfelt Oyj Abp Sovitelma puristusvaipan kiinnittämiseksi puristintelan päätyyn
ES2155334B1 (es) * 1998-06-01 2002-02-01 Com Ind Maquinaria Carton Ondu Sistema para la sujecion de troqueles rotativos en maquinas troqueladoras de material laminar.
US6681666B2 (en) * 2000-12-28 2004-01-27 Alan R. Pfaff, Jr. Method and apparatus for scrap removal from rotary dies
US6925923B2 (en) * 2001-10-05 2005-08-09 Hycorr Machine Corporation Rotary cutting die mounting system
US20050274247A1 (en) * 2004-06-14 2005-12-15 Sean Talkington Stripper apparatus and methods for rotary dies
US20070107578A1 (en) * 2005-11-15 2007-05-17 Koelsch Kevin W Adjustable cutting die mounting assembly
JP5372650B2 (ja) * 2009-08-06 2013-12-18 三菱重工印刷紙工機械株式会社 ロータリダイカッタの刃物取付台据付装置
DE102021100690B4 (de) 2021-01-14 2023-04-20 Cito-System Gmbh Rotationsmaschine mit einem Rotationszylinder
EP4265383A1 (en) 2022-04-22 2023-10-25 Macarbox, S.L.U. Clamping device and assembly for clamping a die board onto a die holding cylinder of a rotary die cutter

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE432026C (de) * 1926-07-21 Roessler & Ponndorf Walze zum Schneiden und Rillen von Zuschnitten aus Karton usw., z. B. fuer Faltschachteln
US1985628A (en) * 1931-07-09 1934-12-25 Hoe & Co R Plate holding means for printing presses
US2187293A (en) * 1936-06-04 1940-01-16 Wood Newspaper Mach Corp Registering and clamping mechanism
US3119312A (en) * 1960-07-29 1964-01-28 Design & Manufacture Inc Rotary die cutting apparatus and method
US3274873A (en) * 1964-06-01 1966-09-27 Sauer Mach Co L E Rotary anvil construction
US3400648A (en) * 1965-08-03 1968-09-10 Izmailov Kirill Fedorovich Cylinder adapted for holding master copies in machines and devices employed for reproducing images by means of scanning techniques
US3822953A (en) * 1972-11-07 1974-07-09 Westinghouse Electric Corp Disc retainer device
US3991964A (en) * 1974-12-10 1976-11-16 Evan John And Sons (Kenfig Hill) Limited Self-locking device for telescopic props
FR2384593A1 (fr) * 1977-03-21 1978-10-20 Sandvik Ab Dispositif pour le montage des bagues de roulement sur un arbre

Also Published As

Publication number Publication date
DE69000940D1 (de) 1993-04-01
FR2643585A1 (fr) 1990-08-31
ES2039099T3 (es) 1993-08-16
DE69000940T2 (de) 1993-06-09
JPH02243295A (ja) 1990-09-27
EP0384161A1 (fr) 1990-08-29
CA2010761A1 (en) 1990-08-24
CA2010761C (en) 1993-08-31
BR9000812A (pt) 1991-02-05
US5003854A (en) 1991-04-02
JPH0611478B2 (ja) 1994-02-16
ATE85932T1 (de) 1993-03-15
DK0384161T3 (da) 1993-06-14

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