EP1153716B9 - Cutting bed for a cutting press - Google Patents

Cutting bed for a cutting press Download PDF

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Publication number
EP1153716B9
EP1153716B9 EP01110726A EP01110726A EP1153716B9 EP 1153716 B9 EP1153716 B9 EP 1153716B9 EP 01110726 A EP01110726 A EP 01110726A EP 01110726 A EP01110726 A EP 01110726A EP 1153716 B9 EP1153716 B9 EP 1153716B9
Authority
EP
European Patent Office
Prior art keywords
support plate
stirrup
moving
fixed
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
EP01110726A
Other languages
German (de)
French (fr)
Other versions
EP1153716A3 (en
EP1153716B1 (en
EP1153716A2 (en
Inventor
Jean-François Pollien
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.)
Bobst Mex SA
Original Assignee
Bobst 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 Bobst SA filed Critical Bobst SA
Publication of EP1153716A2 publication Critical patent/EP1153716A2/en
Publication of EP1153716A3 publication Critical patent/EP1153716A3/en
Publication of EP1153716B1 publication Critical patent/EP1153716B1/en
Application granted granted Critical
Publication of EP1153716B9 publication Critical patent/EP1153716B9/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • 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
    • B26D7/20—Cutting beds
    • 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
    • B26F1/44—Cutters therefor; Dies therefor
    • 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
    • B26F1/44—Cutters therefor; Dies therefor
    • B26F2001/4463—Methods and devices for rule setting, fixation, preparing cutting dies
    • 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
    • Y10T83/9295—Work supported tool [e.g., clicker die]
    • Y10T83/9302—With tool positioning abutment
    • 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
    • Y10T83/9473—For rectilinearly reciprocating 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
    • Y10T83/9457—Joint or connection
    • Y10T83/9473—For rectilinearly reciprocating tool
    • Y10T83/9483—Adjustable
    • 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
    • Y10T83/9473—For rectilinearly reciprocating tool
    • Y10T83/9483—Adjustable
    • Y10T83/9486—Rectilinearly

Definitions

  • the present invention relates to a cutting plate for a cutting station of a multi-station paper or cardboard sheet forming press, comprising a support plate on which can be placed a sheet to be cut, said support plate having means for fixing of the sheet to be cut, said fixing means comprising on at least one side of said support plate at least one movable yoke, and, on the opposite side to the first side at least a first fixed yoke, arranged in such a way that portions the edge of the sheet to be cut can be slid into said first fixed bracket.
  • a plate of this type is described, for example, in EP-A-0 764 501.
  • the cutting plate can be used as a support for counterbalancing upscope cooperating with pressure-bearing threads mounted on the support form.
  • the cutting sheet is to be considered in this case as an additional forming tool, the positioning of the counterparts facing the pressure nets must be extremely accurate and this operation must be optimized, as the setting of other tools.
  • the support plates of the current presses are often provided with a device for micrometric adjustment of the longitudinal position of the plate relative to the bed base.
  • the cutting plate is screwed onto the support plate by four screws at the four corners.
  • the screw holes have a clearance or an oblong configuration and allow an adjustment of the position of the sheet to be cut on the support plate of the order of 1 mm, which allows to adjust exactly, in the longitudinal and transverse direction, the position of the grooves of the upsetting counterparts in front of the throttle nets.
  • the object of the present invention is to allow fixing and micrometric adjustment of the position of the sheet to be cut much faster than the operation described above.
  • the present invention relates to a cutting plate as defined by claim 1.
  • the cutting plate When the movable stirrup is placed in the rest position, the cutting plate can be moved by sliding on the support plate.
  • the cutting sheet can thus be moved at least 1 mm in any direction, while remaining engaged in the first and second fixed brackets, which is sufficient to achieve the fine adjustment of its position.
  • the clamping and release operations of the cutting plate by the moving stirrup are much faster than the tightening and loosening of four screws. It is not necessary to pull the support plate of the cutting station completely out and back several times.
  • the fixed stirrups may be rules with a prominent upper lip, under which slides the cutting sheet.
  • the support plate comprises two stirrups movable on the lateral side located on the driver's side, that is to say on the side usually accessible by the operators.
  • the lateral side opposite to the driver comprises two or more first fixed stirrups.
  • the rear side of the support plate may comprise two or more second fixed stirrups in the form of rules.
  • the front side of the support plate may carry one or more stops (s).
  • the movable stirrup (s) can (are) mounted on a manually operated movable pusher which, by counteracting the force of a return spring, can be lifted and rotated. stirrup movable a fraction of a turn, to move from the rest position to the clamping position. This operation can be done through a knurled knob. The clamping of the cutting plate can be effected by an additional rotation of the knurled knob. Thus, the use of hand tools such as screwdrivers or keys becomes useless.
  • the support plate may comprise, on its underside, a set of grooves and through holes, this assembly being connected to an air suction device. The sheet to be cut is thus pressed and held against the support plate by partial vacuum effect.
  • the movable stirrups are retracted in recesses of the support plate when turned in the rest position. This allows the sheet to be cut into place and even removed by sliding on the support plate.
  • the micrometric adjustment system of the support plate may comprise on each of the two lateral edges of the plate micrometric adjustment means of its longitudinal position. These means may comprise a knurled chicken mounted in a block secured to the respective lateral edge, acting on a fixed stop of the machine by means of a movable finger in the longitudinal direction whose longitudinal displacement adjusts the longitudinal position of the support plate .
  • the lateral edge of the support plate located on the driver's side can carry a second knurled chicken acting on a fixed stop of the plate, via a finger that moves transversely, adjusting the transverse position of the support plate, and starting from the sheet to be cut, without loosening it.
  • Figure 1 shows a support plate 1, which has a thickness of 4 to 5 mm, on which is placed a cutting sheet 7 of small thickness.
  • the support plate is provided with micrometric adjustment devices of its position in a horizontal plane.
  • Block 2 located opposite the driver, comprises a knurled chicken 4 acting on a finger (not visible in Figure 1), movable along a longitudinal axis. The finger abuts against a fixed lug of the plate and thus defines the longitudinal position of the edge opposite the conductor of the support plate.
  • the cutting sheet 7 is a thin sheet of stainless steel, rectangular, with a thickness of 1 mm. It comprises two rectangular notches 8 and 9 accommodating the projecting portions micrometric adjustment blocks 2 and 3. A certain clearance is provided between the notches and the edges of the blocks.
  • the support plate comprises on the lateral side opposite the conductor two first fixed stirrups 10 and 11: the fixed stirrups 10 and 11 each have an upper lip directed towards the inside of the support plate, which forms with it a groove of an equal or very thick slightly greater than that of the sheet to be cut, so that the corresponding edge thereof can be housed there.
  • the edge of the support plate, rear side, that is to say platinum inlet, comprises three second fixed stirrups 12, 13 and 14 similar.
  • the front edge of the support plate carries a plurality of rectangular notches 29 in which engage the clamps of a sheet transport bar (not shown).
  • stirrups 10, 11, 12, 13 and 14 are spring blades 30 (see FIG. 3), positioned by pins 31, for the purpose of pushing the cutting sheet transversely in the direction "opposite side conductor - side conductor "and longitudinally in the direction” cardboard passage ".
  • the cutting sheet is therefore positioned automatically and correctly in the stirrups and on the support plate.
  • the second fixed stirrups 12, 13 and 14 could be advantageously replaced by a single second fixed stirrup (not shown) extending over the entire width of the support plate 1.
  • the support plate On its edge on the driver's side, the support plate has on its upper surface two rectangular recesses oriented in the longitudinal direction, each recess is extended vertically by a through opening in which a movable stirrup 15, 16 engages.
  • the movable stirrups 15 and 16 are seen from above a rectangular general shape, corresponding to an obvious, and extend from below by a hollow cylindrical portion 28 corresponding to an opening, visible in Figure 2.
  • These movable stirrups 15 and 16 are each mounted on a mobile pusher device and can thus rotate each about a vertical axis and undergo a limited vertical translation along the same axis.
  • Figure 2 shows the stirrup 15 in the clamping position.
  • stirrup 15 traps the edge of the cutting plate 7, while the other end of the stirrup, a little thicker, rests on the support plate 1.
  • the stirrup 15 can be raised by pressing a button 19 vertically, counteracting the force of a spring 20.
  • a spherical surface of a bearing piece 21 of the spring 20 comes into contact with a cone 22 mounted on the underside of the support plate 1.
  • the rotation of the knob 19 causes the stirrup 15 to rotate, the inner surface of an inner bore 23 of the cylindrical portion 28 of the stirrup 15 rubbing against an O-ring 24, made of synthetic material, mounted in a groove of the axis of the button 19.
  • the sheet When placing the cutting sheet on the support plate, the sheet is first slid on the plate, the rectangular notch 9 being abutted against the projecting portion of the micrometric adjustment block 3. During this operation, the stirrups 15 and 16 are retracted into the corresponding recess in the support plate. By pushing the movable pushers stirrups 15 and 16, they are then raised and turned a quarter of a turn, to grasp the plate and then tighten after releasing the vertical thrust on the button 19 and rotation of the knurled portion 17 The operator can then perform the micrometric adjustment of the position of the support plate by acting on the three knurled chickens 4, 5, 6 described above.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Details Of Cutting Devices (AREA)
  • Making Paper Articles (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Dicing (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Abstract

The cutting plate for a forming press has a support plate (1) on which is positioned a cutting sheet (7). The support plate has adjusters for the level of the sheet and peripheral retainers for the sheet. The support plate has, on at least one of its sides, a movable stirrup (15,16). The stirrup has one position in which it prevents movement of the sheet on the support plate and a second release position.

Description

La présente Invention concerne une platine de découpe pour station de découpe d'une presse de façonnage de feuilles de papier ou de carton à stations multiples, comprenant une plaque support sur laquelle peut être placée une tôle à découper, ladite plaque support présentant des moyens de fixation de la tôle à découper, lesdits moyens de fixation comportant sur un premier des côtés de ladite plaque support au moins un étrier mobile, et, sur le côté opposé au premier côté au moins un premier étrier fixe, agencé de telle sorte que des portions du bord de la tôle à découper puissent être glissées dans ledit premier étrier fixe. Une platine de ce type est décrite par exemple dans le document EP-A-0 764 501.The present invention relates to a cutting plate for a cutting station of a multi-station paper or cardboard sheet forming press, comprising a support plate on which can be placed a sheet to be cut, said support plate having means for fixing of the sheet to be cut, said fixing means comprising on at least one side of said support plate at least one movable yoke, and, on the opposite side to the first side at least a first fixed yoke, arranged in such a way that portions the edge of the sheet to be cut can be slid into said first fixed bracket. A plate of this type is described, for example, in EP-A-0 764 501.

Les presses de façonnage de feuilles de papier, de carton compact ou de carton ondulé utilisent pour chaque tirage un ensemble d'outils de façonnage spécifique d'un travail donné. Un tel ensemble d'outils comprend typiquement :

  • une feuille de mise,
  • une forme support,
  • une forme supérieure d'éjection,
  • une planche inférieure d'éjection,
  • un outil supérieur de séparation des poses,
  • un outil inférieur de séparation des poses,
  • éventuellement un séparateur de déchet frontal.
The presses for forming sheets of paper, compact cardboard or corrugated cardboard use for each print a set of tools for specific shaping of a given work. Such a set of tools typically includes:
  • a betting sheet,
  • a support form,
  • a superior form of ejection,
  • a lower ejection board,
  • a superior poses separation tool,
  • a lower tool for separating poses,
  • possibly a front waste separator.

L'ensemble de ces outils doit être disposé de manière extrêmement précise dans les différentes stations de la presse au début de chaque travail. En particulier dans le cas de tirages courts, la productivité de l'unité dépend dans une large mesure de la rapidité de la mise en place et du réglage de ces outils.All of these tools must be laid out extremely precisely in the various press stations at the beginning of each job. In particular in the case of short runs, the productivity of the unit depends to a large extent on the speed of setting up and setting these tools.

Dans une platine de découpe du type défini d'entrée, la tôle à découper peut être employée comme support de contreparties de refoulage coopérant avec des filets refouleurs montés sur la forme support. La tôle à découper est à considérer dans ce cas comme un outil de façonnage supplémentaire, le positionnement des contreparties face aux filets refouleurs doit être extrêmement précis et cette opération doit être optimisée, tout comme le réglage des autres outils.In a cutting plate of the defined type of input, the cutting plate can be used as a support for counterbalancing upscope cooperating with pressure-bearing threads mounted on the support form. The cutting sheet is to be considered in this case as an additional forming tool, the positioning of the counterparts facing the pressure nets must be extremely accurate and this operation must be optimized, as the setting of other tools.

Les plaques support des presses actuelles sont souvent munies d'un dispositif de réglage micrométrique de la position longitudinale de la plaque par rapport au sommier. La tôle à découper est vissée sur la plaque support par quatre vis situées aux quatre angles. Les trous de vis présentent un jeu ou une configuration oblongue et permettent un ajustement de la position de la tôle à découper sur la plaque support de l'ordre de 1 mm, ce qui permet d'ajuster exactement, dans le sens longitudinal et transversal, la position des rainures des contreparties de refoulage en face des filets refouleurs.The support plates of the current presses are often provided with a device for micrometric adjustment of the longitudinal position of the plate relative to the bed base. The cutting plate is screwed onto the support plate by four screws at the four corners. The screw holes have a clearance or an oblong configuration and allow an adjustment of the position of the sheet to be cut on the support plate of the order of 1 mm, which allows to adjust exactly, in the longitudinal and transverse direction, the position of the grooves of the upsetting counterparts in front of the throttle nets.

Les termes "longitudinal" et "transversal" en ce qui concerne un déplacement, "frontal", "arrière" et "latéral" en ce qui concerne un côté de la plaque support ou de la tôle à découper, sont employés ici en se référant à la direction d'avancement des feuilles dans la machine.The terms "longitudinal" and "transverse" with respect to a "front", "rear" and "lateral" displacement with respect to one side of the support plate or the sheet to be cut, are used herein with reference to to the direction of advancement of the sheets in the machine.

Toutefois, cet ajustage est long à effectuer, car lors de chaque déplacement d'ajustage de la tôle à découper, il est nécessaire de faire sortir entièrement la plaque support de la station de découpe, de desserrer les quatre vis à l'aide d'un tournevis, de faire glisser légèrement la tôle à découper, puis de resserrer les quatre vis et de faire rentrer la plaque support dans la station pour pouvoir effectuer un essai de positionnement. Il est généralement nécessaire d'entreprendre ces opérations plusieurs fois.However, this adjustment is long to perform, because during each adjustment movement of the sheet to be cut, it is necessary to completely remove the support plate from the cutting station, to loosen the four screws with the help of a screwdriver, slide the cutting plate slightly, then tighten the four screws and insert the support plate into the station to perform a positioning test. It is usually necessary to undertake these operations several times.

Le but de la présente invention est de permettre une fixation et un réglage micrométrique de position de la tôle à découper beaucoup plus rapide que l'opération décrite ci-dessus.The object of the present invention is to allow fixing and micrometric adjustment of the position of the sheet to be cut much faster than the operation described above.

A cet effet, la présente invention a pour objet une platine de découpe telle que définie par la revendication 1.For this purpose, the present invention relates to a cutting plate as defined by claim 1.

Lorsque l'étrier mobile est placé en position de repos, la tôle à découper peut être déplacée par glissement sur la plaque support. La tôle à découper peut ainsi être déplacée d'au moins 1 mm dans n'importe quel sens, tout en restant engagée dans les premier et second étriers fixes, ce qui suffit pour réaliser l'ajustement fin de sa position. Les opérations de serrage et de libération de la tôle à découper par l'étrier mobile sont beaucoup plus rapides que le serrage et le desserrage de quatre vis. Il n'est pas nécessaire de faire sortir et rentrer plusieurs fois totalement la plaque support de la station de découpe.When the movable stirrup is placed in the rest position, the cutting plate can be moved by sliding on the support plate. The cutting sheet can thus be moved at least 1 mm in any direction, while remaining engaged in the first and second fixed brackets, which is sufficient to achieve the fine adjustment of its position. The clamping and release operations of the cutting plate by the moving stirrup are much faster than the tightening and loosening of four screws. It is not necessary to pull the support plate of the cutting station completely out and back several times.

Les étriers fixes peuvent être des règles présentant une lèvre supérieure proéminente, sous laquelle se glisse la tôle à découper.The fixed stirrups may be rules with a prominent upper lip, under which slides the cutting sheet.

De préférence, la plaque support comprend deux étriers mobiles sur le côté latéral situé du côté du conducteur, c'est-à-dire du côté usuellement accessible par les opérateurs. Le côté latéral opposé au conducteur comprend deux ou plusieurs premiers étriers fixes. De même, le côté arrière de la plaque support peut comporter deux ou plusieurs seconds étriers fixes sous forme de règles. Le côté frontal de la plaque support peut porter une ou plusieurs butée(s).Preferably, the support plate comprises two stirrups movable on the lateral side located on the driver's side, that is to say on the side usually accessible by the operators. The lateral side opposite to the driver comprises two or more first fixed stirrups. Likewise, the rear side of the support plate may comprise two or more second fixed stirrups in the form of rules. The front side of the support plate may carry one or more stops (s).

Le (ou les) étrier(s) mobile(s) peut (peuvent) être monté(s) sur un poussoir mobile, actionnable manuellement, permettant, en contrecarrant la force d'un ressort de rappel, en soulevant et en faisant tourner l'étrier mobile d'une fraction de tour, de passer de la position de repos à la position de serrage. Cette opération peut se faire grâce à un bouton moleté. Le serrage de la tôle à découper peut s'effectuer par une rotation supplémentaire du bouton moleté. Ainsi, l'utilisation d'outils à main tels que tournevis ou clefs devient inutile.The movable stirrup (s) can (are) mounted on a manually operated movable pusher which, by counteracting the force of a return spring, can be lifted and rotated. stirrup movable a fraction of a turn, to move from the rest position to the clamping position. This operation can be done through a knurled knob. The clamping of the cutting plate can be effected by an additional rotation of the knurled knob. Thus, the use of hand tools such as screwdrivers or keys becomes useless.

De plus, la plaque support peut comporter, sur sa face inférieure un ensemble de rainures et de trous traversants, cet ensemble étant relié à un dispositif d'aspiration d'air. La tôle à découper est ainsi plaquée et maintenue contre la plaque support par effet de vide partiel.In addition, the support plate may comprise, on its underside, a set of grooves and through holes, this assembly being connected to an air suction device. The sheet to be cut is thus pressed and held against the support plate by partial vacuum effect.

De préférence, les étriers mobiles sont escamotés dans des évidements de la plaque support lorsqu'ils sont tournés en position de repos. Ceci permet de mettre la tôle à découper en place et de même de l'enlever en la faisant glisser sur la plaque support.Preferably, the movable stirrups are retracted in recesses of the support plate when turned in the rest position. This allows the sheet to be cut into place and even removed by sliding on the support plate.

Le système de réglage micrométrique de la plaque support peut comprendre sur chacun des deux bords latéraux de la plaque des moyens de réglage micrométrique de sa position longitudinale. Ces moyens peuvent comprendre un poulet moleté monté dans un bloc solidaire du bord latéral respectif, agissant sur une butée fixe de la machine par l'intermédiaire d'un doigt mobile dans le sens longitudinal dont le déplacement longitudinal règle la position longitudinale de la plaque support. Selon un mode d'exécution préféré, le bord latéral de la plaque support situé du côté du conducteur peut porter un deuxième poulet moleté agissant sur une butée fixe de la platine, par l'intermédiaire d'un doigt qui se déplace transversalement, ajustant la position transversale de la plaque support, et, partant de la tôle à découper, sans desserrer celle-ci.The micrometric adjustment system of the support plate may comprise on each of the two lateral edges of the plate micrometric adjustment means of its longitudinal position. These means may comprise a knurled chicken mounted in a block secured to the respective lateral edge, acting on a fixed stop of the machine by means of a movable finger in the longitudinal direction whose longitudinal displacement adjusts the longitudinal position of the support plate . According to a preferred embodiment, the lateral edge of the support plate located on the driver's side can carry a second knurled chicken acting on a fixed stop of the plate, via a finger that moves transversely, adjusting the transverse position of the support plate, and starting from the sheet to be cut, without loosening it.

D'autres propriétés et avantages du dispositif selon l'invention apparaîtront pour l'homme du métier de la description ci-dessous d'un mode d'exécution préféré, en relation avec le dessin, dans lequel

  • la figure 1 montre en perspective cavalière une plaque support et une tôle à découper,
  • la figure 2 est une vue de détail, montrant un étrier mobile en coupe verticale et
  • la figure 3 est une vue, en perspective, d'un étrier fixe avec lame ressort.
Other properties and advantages of the device according to the invention will become apparent to those skilled in the art from the description below of a preferred embodiment, in connection with the drawing, in which
  • FIG. 1 shows in a perspective view a support plate and a sheet to be cut,
  • FIG. 2 is a detailed view, showing a movable stirrup in vertical section and
  • Figure 3 is a perspective view of a fixed bracket with spring blade.

La figure 1 montre une plaque support 1, qui présente une épaisseur de 4 à 5 mm, sur laquelle est posée une tôle à découper 7 de faible épaisseur. La plaque support est munie de dispositifs de réglage micrométrique de sa position dans un plan horizontal. Au milieu des deux bords latéraux de la plaque support sont fixés deux blocs de réglage micrométriques 2 et 3, faisant légèrement saillie par rapport à la surface supérieure de la plaque support. Le bloc 2, situé côté opposé au conducteur, comprend un poulet moleté 4 agissant sur un doigt (non-visible sur la figure 1), mobile selon un axe longitudinal. Le doigt vient en butée contre un ergot fixe de la platine et définit ainsi la position longitudinale du bord opposé au conducteur de la plaque support. Le bloc de réglage micrométrique 3, situé côté conducteur, comporte également un poulet moleté 5 agissant sur un doigt à déplacement longitudinal (non-visible sur la figure) venant en butée contre un ergot fixe de la platine pour définir la position longitudinale du bord côté conducteur de la plaque support. Le bloc de réglage micrométrique 3, côté conducteur, comporte un deuxième poulet moleté 6 agissant sur un doigt à déplacement transversal situé sous la plaque (non visible sur la figure 1), venant en butée contre un troisième ergot de la platine, déterminant la position transversale de la plaque 1 en machine.Figure 1 shows a support plate 1, which has a thickness of 4 to 5 mm, on which is placed a cutting sheet 7 of small thickness. The support plate is provided with micrometric adjustment devices of its position in a horizontal plane. In the middle of the two lateral edges of the support plate are fixed two micrometric adjustment blocks 2 and 3, projecting slightly with respect to the upper surface of the support plate. Block 2, located opposite the driver, comprises a knurled chicken 4 acting on a finger (not visible in Figure 1), movable along a longitudinal axis. The finger abuts against a fixed lug of the plate and thus defines the longitudinal position of the edge opposite the conductor of the support plate. The micrometric adjustment block 3, located on the driver's side, also comprises a knurled chicken 5 acting on a longitudinally movable finger (not visible in the figure) abutting against a fixed pin of the plate to define the longitudinal position of the side edge. conductor of the support plate. The micrometric adjustment block 3, on the driver's side, comprises a second knurled chicken 6 acting on a transverse displacement finger located under the plate (not visible in FIG. 1), abutting against a third pin of the plate, determining the position crosswise of the plate 1 in the machine.

La tôle à découper 7 est une tôle mince en acier inoxydable, rectangulaire, d'une épaisseur de 1 mm. Elle comporte deux encoches rectangulaires 8 et 9 accueillant les parties en saillie des blocs de réglage micrométrique 2 et 3. Un certain jeu est prévu entre les encoches et les bords des blocs.The cutting sheet 7 is a thin sheet of stainless steel, rectangular, with a thickness of 1 mm. It comprises two rectangular notches 8 and 9 accommodating the projecting portions micrometric adjustment blocks 2 and 3. A certain clearance is provided between the notches and the edges of the blocks.

La plaque support comprend sur le côté latéral opposé au conducteur deux premiers étriers fixes 10 et 11 : les étriers fixes 10 et 11 présentent chacun une lèvre supérieure dirigée vers l'intérieur de la plaque support, qui forme avec celle-ci une gorge d'une épaisseur égale ou très légèrement supérieure à celle de la tôle à découper, de sorte que le bord correspondant de celle-ci peut venir s'y loger. Le bord de la plaque support, côté arrière, c'est-à-dire entrée platine, comporte trois seconds étriers fixes 12, 13 et 14 similaires. Le bord avant de la plaque support porte plusieurs encoches rectangulaires 29 dans lesquelles viennent s'engager les pinces d'une barre de transport des feuilles (non représentée).The support plate comprises on the lateral side opposite the conductor two first fixed stirrups 10 and 11: the fixed stirrups 10 and 11 each have an upper lip directed towards the inside of the support plate, which forms with it a groove of an equal or very thick slightly greater than that of the sheet to be cut, so that the corresponding edge thereof can be housed there. The edge of the support plate, rear side, that is to say platinum inlet, comprises three second fixed stirrups 12, 13 and 14 similar. The front edge of the support plate carries a plurality of rectangular notches 29 in which engage the clamps of a sheet transport bar (not shown).

Dans les étriers 10, 11, 12, 13 et 14, se trouvent des lames ressort 30 (voir figure 3), positionnées par des goupilles 31, ayant pour but de pousser transversalement la tôle à découper dans le sens "côté opposé conducteur - côté conducteur" et longitudinalement dans le sens "passage carton". La tôle à découper est donc positionnée automatiquement et correctement dans les étriers et sur la plaque support.In the stirrups 10, 11, 12, 13 and 14 are spring blades 30 (see FIG. 3), positioned by pins 31, for the purpose of pushing the cutting sheet transversely in the direction "opposite side conductor - side conductor "and longitudinally in the direction" cardboard passage ". The cutting sheet is therefore positioned automatically and correctly in the stirrups and on the support plate.

Dans une autre forme d'exécution, les seconds étriers fixes 12, 13 et 14 pourraient être avantageusement remplacés par un seul second étrier fixe (non représenté) s'étendant sur toute la largeur de la plaque support 1.In another embodiment, the second fixed stirrups 12, 13 and 14 could be advantageously replaced by a single second fixed stirrup (not shown) extending over the entire width of the support plate 1.

Sur son bord situé côté conducteur, la plaque support comporte à sa surface supérieure deux évidements rectangulaires orientés dans le sens longitudinal, chaque évidement est prolongé verticalement par une ouverture traversante, dans laquelle s'engage un étrier mobile 15, 16. Les étriers mobiles 15 et 16 présentent vus de dessus une forme générale rectangulaire, correspondant à un évidemment, et se prolongent par en dessous par une partie cylindrique creuse 28 correspondant à une ouverture, visible sur la figure 2. Ces étriers mobiles 15 et 16 sont montés chacun sur un dispositif poussoir mobile et peuvent ainsi tourner chacun autour d'un axe vertical et subir une translation verticale limitée le long du même axe. La figure 2 montre l'étrier 15 en position de serrage. L'une des extrémités 18 de l'étrier 15 emprisonne le bord de la tôle à découper 7, tandis que l'autre extrémité de l'étrier, un peu plus épaisse, repose sur la plaque support 1. L'étrier 15 peut être soulevé en appuyant verticalement sur un bouton 19, en contrecarrant la force d'un ressort 20. Une surface sphérique d'une pièce d'appui 21 du ressort 20 vient au contact d'un cône 22 monté sur la face inférieure de la plaque support 1. Dans la position comprimée du ressort 20, la rotation du bouton 19 entraîne la rotation de l'étrier 15, la surface intérieure d'un alésage intérieur 23 de la partie cylindrique 28 de l'étrier 15 frottant contre un joint torique 24, en matière synthétique, monté dans une gorge de l'axe du bouton 19.On its edge on the driver's side, the support plate has on its upper surface two rectangular recesses oriented in the longitudinal direction, each recess is extended vertically by a through opening in which a movable stirrup 15, 16 engages. The movable stirrups 15 and 16 are seen from above a rectangular general shape, corresponding to an obvious, and extend from below by a hollow cylindrical portion 28 corresponding to an opening, visible in Figure 2. These movable stirrups 15 and 16 are each mounted on a mobile pusher device and can thus rotate each about a vertical axis and undergo a limited vertical translation along the same axis. Figure 2 shows the stirrup 15 in the clamping position. One end 18 of the stirrup 15 traps the edge of the cutting plate 7, while the other end of the stirrup, a little thicker, rests on the support plate 1. The stirrup 15 can be raised by pressing a button 19 vertically, counteracting the force of a spring 20. A spherical surface of a bearing piece 21 of the spring 20 comes into contact with a cone 22 mounted on the underside of the support plate 1. In the compressed position of the spring 20, the rotation of the knob 19 causes the stirrup 15 to rotate, the inner surface of an inner bore 23 of the cylindrical portion 28 of the stirrup 15 rubbing against an O-ring 24, made of synthetic material, mounted in a groove of the axis of the button 19.

Dans la position montrée sur la figure 2, la rotation de la partie moletée 17, solidaire de la tête du bouton 19 grâce à deux chevilles traversant deux alésages 25 provoque le desserrage de la tôle à découper par l'étrier 15, grâce à la partie filetée 26 unissant le bouton 19 à l'étrier 15. Une bague 27 limite le desserrage des pièces.In the position shown in Figure 2, the rotation of the knurled portion 17 secured to the button head 19 by two pins through two bores 25 causes the loosening of the sheet to be cut by the stirrup 15, thanks to the part threaded 26 uniting the button 19 to the stirrup 15. A ring 27 limits the loosening of parts.

Lors de la mise en place de la tôle à découper sur la plaque support, la tôle est d'abord glissée sur la plaque, l'encoche rectangulaire 9 étant placée en butée contre la partie saillante du bloc d'ajustage micrométrique 3. Pendant cette opération, les étriers 15 et 16 sont escamotés dans l'évidement correspondant dans la plaque support. Par poussée des poussoirs mobiles des étriers 15 et 16, ceux-ci sont ensuite soulevés et tournés d'un quart de tour, pour saisir la tôle puis la serrer après relâchement de la poussée verticale sur le bouton 19 et rotation de la partie moletée 17. L'opérateur peut ensuite effectuer l'ajustage micrométrique de la position de la plaque support en agissant sur les trois poulets moletés 4, 5, 6 décrits plus haut.When placing the cutting sheet on the support plate, the sheet is first slid on the plate, the rectangular notch 9 being abutted against the projecting portion of the micrometric adjustment block 3. During this operation, the stirrups 15 and 16 are retracted into the corresponding recess in the support plate. By pushing the movable pushers stirrups 15 and 16, they are then raised and turned a quarter of a turn, to grasp the plate and then tighten after releasing the vertical thrust on the button 19 and rotation of the knurled portion 17 The operator can then perform the micrometric adjustment of the position of the support plate by acting on the three knurled chickens 4, 5, 6 described above.

Claims (10)

  1. A blanking platen for a blanking station of a multiple station press for shaping sheets of paper or cardboard, comprising a support plate (1) on which a cutting plate (7) can be placed, the said support plate comprising fixing means of the cutting plate (7), said fixing means comprising on a first side of the said support plate (1) at least one moving stirrup (15, 16), and, on the side opposite the first side, at least one first fixed stirrup (10, 11), disposed so that edge portions of the cutting plate (7) can be slid into said first fixed stirrup (10, 11), characterized in that said moving stirrup is adapted to take up a clamping position where it prevents the cutting plate (7) from sliding on the support plate (1) and an inoperative position where it enables the cutting plate (7) to slide on the support plate (1), the said fixing means further comprise on an adjacent side to the said first side, at least one second fixed stirrup (12, 13, 14), disposed so that edge portions of the cutting plate (7) can be slid into the said fixed stirrup (12, 13, 14) and engaged under the said moving stirrup (15, 16) in a clamping position, the said support plate (1) further comprise means for adjusting its position in a horizontal plane, the said support plate (1) being received by a lower beam of the press.
  2. A blanking platen according to claim 1, characterized in that the support plate (1) comprises two moving stirrups (15, 16) disposed on the lateral side near the operator.
  3. A blanking platen according to claim 2, characterized in that the support plate (1) comprises a number of first fixed stirrups (10, 11) on the lateral side remote from the operator, and a number of second fixed stirrups (12, 13, 14) on the rear side, the said first and second fixed stirrups being in the form of rules.
  4. A blanking platen according to any of the preceding claims, characterized in that each moving stirrup (15, 16) is mounted on a moving push rod which can be manually actuated to counteract a return force, enabling the moving stirrup or stirrups to rotate from the said inoperative position to the said clamping position.
  5. A blanking platen according to claim 4, characterized in that the moving push rod device comprises a knurled button (17, 19) which when rotated clamps the cutting plate (7) between the said moving stirrup (15, 16) and the support plate (1).
  6. A blanking platen according to any of the preceding claims, characterized in that under each moving stirrup (15, 16) the support plate (1) has a recess for receiving the said moving stirrup when in inoperative position.
  7. A blanking platen according to any of the preceding claims, characterized in that on each of its sides, the support plate (1) has means (2, 3), more particularly adjustment blocks bearing knurled knobs (4, 5), for micrometric adjustment of the longitudinal position of the said edge of the support plate.
  8. A blanking platen according to claim 7, characterized in that at least one (3) of the means for micrometric adjustment of the longitudinal position comprises a means for micrometric adjustment of the transverse position of the support plate (1) relative to the platen.
  9. A blanking platen according to claim 8, characterized in that the said means for micrometric adjustment of the transverse position is a knurled knob (6).
  10. A blanking platen according to claim 3, characterized in that the said first and second fixed stirrups (10, 11, 12, 13, 14) are equipped with spring strips (30) for automatically and accurately positioning the cutting plate (7).
EP01110726A 2000-05-08 2001-05-03 Cutting bed for a cutting press Expired - Lifetime EP1153716B9 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH8942000 2000-05-08
CH00894/00A CH693944A5 (en) 2000-05-08 2000-05-08 cutting deck of a forming press.

Publications (4)

Publication Number Publication Date
EP1153716A2 EP1153716A2 (en) 2001-11-14
EP1153716A3 EP1153716A3 (en) 2003-10-22
EP1153716B1 EP1153716B1 (en) 2006-07-05
EP1153716B9 true EP1153716B9 (en) 2007-01-17

Family

ID=4546055

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Application Number Title Priority Date Filing Date
EP01110726A Expired - Lifetime EP1153716B9 (en) 2000-05-08 2001-05-03 Cutting bed for a cutting press

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US (1) US6807889B2 (en)
EP (1) EP1153716B9 (en)
JP (2) JP2001353697A (en)
KR (1) KR100440990B1 (en)
CN (1) CN1209230C (en)
AT (1) ATE332216T1 (en)
AU (1) AU776973B2 (en)
BR (1) BR0101791B1 (en)
CA (1) CA2345185C (en)
CH (1) CH693944A5 (en)
DE (1) DE60121250D1 (en)
TW (1) TW518276B (en)

Cited By (2)

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EP2087972A1 (en) 2008-02-08 2009-08-12 Heidelberger Druckmaschinen AG Device for punching
DE102010024274A1 (en) 2010-06-18 2011-12-22 Heidelberger Druckmaschinen Ag Punching and / or embossing station of a sheet punching machine

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CN102189567B (en) * 2011-04-22 2012-09-26 丁全 Full-automatic multifunctional double-inlet-and-outlet flat pressing machine
CN103350435B (en) * 2013-07-31 2015-01-07 苍南鼎顺包装设备制造有限公司 Positioning device for automatic flat pressing machine
CN106272676B (en) * 2015-06-11 2018-04-20 北京卫星环境工程研究所 Punching production method after satellite protective cover elder generation coating based on automation cutting
CN106859417A (en) * 2017-03-13 2017-06-20 陈静 A kind of Novel chopping block
CN111958105A (en) * 2020-08-19 2020-11-20 谢国强 Shoe-pad cutting equipment is used in shoes processing
WO2024094448A1 (en) * 2022-10-31 2024-05-10 Bobst Mex Sa Mounting device for mounting a supporting board in a flatbed die cutting machine, supporting board and a flatbed die cutting machine

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Publication number Priority date Publication date Assignee Title
EP2087972A1 (en) 2008-02-08 2009-08-12 Heidelberger Druckmaschinen AG Device for punching
DE102008008112A1 (en) 2008-02-08 2009-08-13 Heidelberger Druckmaschinen Ag Device for punching
DE102010024274A1 (en) 2010-06-18 2011-12-22 Heidelberger Druckmaschinen Ag Punching and / or embossing station of a sheet punching machine

Also Published As

Publication number Publication date
AU776973B2 (en) 2004-09-30
AU4375901A (en) 2001-11-15
US6807889B2 (en) 2004-10-26
US20020007715A1 (en) 2002-01-24
KR100440990B1 (en) 2004-07-21
CA2345185C (en) 2004-11-09
CA2345185A1 (en) 2001-11-08
TW518276B (en) 2003-01-21
BR0101791B1 (en) 2010-06-15
CN1209230C (en) 2005-07-06
CH693944A5 (en) 2004-05-14
BR0101791A (en) 2001-12-18
EP1153716A3 (en) 2003-10-22
EP1153716B1 (en) 2006-07-05
CN1322611A (en) 2001-11-21
DE60121250D1 (en) 2006-08-17
JP3103123U (en) 2004-07-29
KR20010102944A (en) 2001-11-17
EP1153716A2 (en) 2001-11-14
JP2001353697A (en) 2001-12-25
ATE332216T1 (en) 2006-07-15

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