EP2487015B1 - Dispositif d'estampillage de bandes de matériaux se déplaçant - Google Patents

Dispositif d'estampillage de bandes de matériaux se déplaçant Download PDF

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Publication number
EP2487015B1
EP2487015B1 EP11001073.3A EP11001073A EP2487015B1 EP 2487015 B1 EP2487015 B1 EP 2487015B1 EP 11001073 A EP11001073 A EP 11001073A EP 2487015 B1 EP2487015 B1 EP 2487015B1
Authority
EP
European Patent Office
Prior art keywords
punching
material web
tool
tools
unit
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.)
Active
Application number
EP11001073.3A
Other languages
German (de)
English (en)
Other versions
EP2487015A1 (fr
Inventor
Thomas Schürch
André Meznaric
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.)
Hunkeler AG
Original Assignee
Hunkeler AG
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 Hunkeler AG filed Critical Hunkeler AG
Priority to EP11001073.3A priority Critical patent/EP2487015B1/fr
Priority to US13/337,720 priority patent/US8910551B2/en
Publication of EP2487015A1 publication Critical patent/EP2487015A1/fr
Priority to US14/539,380 priority patent/US20150068379A1/en
Application granted granted Critical
Publication of EP2487015B1 publication Critical patent/EP2487015B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/12—Punching using rotatable carriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/36—Perforating, i.e. punching holes using rotatable work or tool holders
    • 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
    • B26D11/00—Combinations of several similar cutting apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • B26D7/1854—Means for removing cut-out material or waste by non mechanical means by air under pressure
    • 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
    • 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
    • B26F1/384—Cutting-out; Stamping-out using rotating drums
    • 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
    • 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
    • B26F1/18—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
    • B26F1/20—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material with tools carried by a rotating drum or similar support
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2066—By fluid current
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2066—By fluid current
    • Y10T83/207—By suction means
    • 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
    • Y10T83/483—With cooperating rotary cutter or backup
    • Y10T83/4838—With anvil backup

Definitions

  • the present invention relates to an apparatus for punching or perforating moving webs of material.
  • a punching unit which has a plurality of punching tools mounted on an axis, the distance between which is adjustable and which are intended to work together with an impression cylinder.
  • Each punching tool has a cylindrical disc, on the circumference of which a metal strip provided with punched profiles is detachably held.
  • a punching tool which also has a cylindrical disk, on the circumference of which a punched sheet metal provided with a punched profile is detachably held.
  • This punching tool is provided with a device for sucking in and later releasing the punched-out parts (diecuts).
  • the US 2007/0000367 A1 discloses a rotary cutting tool with a rotatable punch cylinder having an axis of rotation, a pair of side members and a cylindrical surface, with a punch plate disposed around the cylindrical surface of the punch cylinder and rigidly attached to the punch cylinder in a first position, and with an adjustable slide assembly which operatively connects the die plate to the tool cylinder in a second position and which is displaceable relative to the die cylinder between a retracted and an extended position.
  • the adjustable The sliding arrangement is displaceable either along a first direction about the axis of rotation of the punching cylinder or along a second direction parallel to the axis of rotation of the punching cylinder.
  • rotatable punching cylinders for cutting out blanks from thin metal sheets or material webs are known.
  • the punching cylinders have cooperating cutting knives, some of which are carried by means of punching segments which are mounted on the punching cylinders in axially and / or circumferentially set positions.
  • the DE 103 14 959 A1 describes a cutting tool which comprises a disc mounted on a rotatable axis, which is arranged adjacent to an impression cylinder, wherein the material web can be passed between the disc and the impression cylinder. Magnets are arranged on the circumference of the disk, by means of which a metal strip provided with cutting and standing profiles is held. The disks can be adjustably mounted on the axle. As a result, different geometries can be cut or punched with the cutting tool by exchanging the metal strips and, furthermore, the metal strip can easily be exchanged as a wear part.
  • the present invention is based on the object of creating a device for punching moving material webs which allows the arrangement and / or the shape (contour) of the parts to be punched (diecuts) to be changed in a simple and time-saving manner.
  • the punching tools 2 or 2, 2 ' are connected in a rotationally fixed manner to a drive shaft 3, which in the present exemplary embodiments is a spline shaft.
  • the Drive shaft 3 is rotatably mounted about its axis of rotation 3a and connected to a drive device, not shown.
  • Each punching tool 2 or 2 ' is rotatably mounted in a tool holder 4 and can be displaced with this in the direction of the axis of rotation 3a of the drive shaft 3 along this into different working positions.
  • Each punch 2, 2 ' is mounted in such a way, e.g.
  • the impression cylinder 5 has a smooth surface which is preferably hardened.
  • the axis of rotation 3a of the drive shaft 3 and the axis of rotation 5a of the impression cylinder 5 run parallel to one another.
  • the punching tools 2, 2 ' are guided by means of a guide 6 (sliding guide) which is formed on the underside of a guide bar 7 and which extends over the entire working width of the punching unit 1.
  • This guide 6 runs parallel to the axis of rotation 5a of the impression cylinder 5.
  • a correspondingly designed guide 8, which is designed on the tool holder 4, interacts with the guide 6 (see in particular Fig. 3 ).
  • a locking device 9 (only shown schematically) Fig. 3 ) the punching tool 2, 2 'can be locked in any working position. It is also possible for the Figure 2 shown punching unit 1 ' to adjust the mutual distance between the punching tools 2, 2 ', that is to say to change.
  • the punching tool 2 or 2 ' has a cylindrical base body 10, on the circumference of which a punching strip 11 is detachably held.
  • the punched strip 11 is preferably a metal strip that is held on the base body 10 by means of magnetic force.
  • the punched strip 11 is provided with a number of punching dies 12 which are arranged distributed over the length of the punched strip 11. The distances between the cutting dies 12 can be the same or different.
  • the cutting dies 12 can have the same shape or different shapes (contours).
  • positioning pins 13 are provided which, when the punched strip 11 is installed, engage in positioning holes 14 on the punched strip 11.
  • the punching tape 11 is correctly positioned.
  • the punched strips 11 can also be attached to the base body 10 in an exchangeable manner in another suitable manner.
  • More than two punching tools 2 can also be provided on the drive shaft 3 for each punching unit 1, 1 ′.
  • punching devices 15 and 16 which have two punching units 1a, 1b or three punching units 1a, 1b, 1c, which, viewed in the direction of movement A of a material web 17 to be processed, one behind the other are arranged.
  • the structure of the punching units 1a, 1b, 1c corresponds to that in FIG Figures 2 and 3 punching unit 1 'shown and each have two punching tools 4.
  • Corresponding parts are therefore in the Figures 5 to 8 the same reference numerals are used as in Figures 1 to 4 .
  • the ones in the Figures 5 and 6 differ from one another only in a different number of punching units 1a, 1b and 1a, 1b, 1c.
  • the punching tools 2 of one punching unit 1a are displaced in relation to the punching tools 2 ', 2 "of the other punching unit 1b or 1c in the direction of the axis of rotation 3a of the drive shafts 3, i.e. in a direction that is transverse, in particular at right angles, to The direction of movement A of the material web 17.
  • the punching tools 2 'of the punching unit 1b are also offset with respect to the punching tools 2 "of the punching unit 1c. This means that the punching tools 2 of the punching units 1 a, 1 b, 1 c process different areas of the material web 17.
  • the punching tools 2 of the punching unit 1a are used to punch holes 18, 18 'in the section 17a of the material web 17, which for example serve as storage holes, while the tools 2' of the second punching unit 1b punch holes 18, 18 'in the material web section 17b be punched.
  • different punchings can be made in the two material web sections 17a, 17b.
  • the areas a and c are provided with holes 18, 18 ', while the area b is not punched having.
  • the perforations 18, 18 ' are made in the areas e and f, while the area d has no punching.
  • the tools 2 of the punching tool 1a process the material web section 17a, the punching tools 2 'of the punching tool 1b, the material web section 17b and the punching tools 2 ′′ of the punching tool 1c the material web section 17c.
  • FIG. 6 shows, adjacent areas a, d, g or b, e, h or c, f, e of the material web sections 17a, 17b, 17c are processed differently.
  • the embodiments according to Figures 7 and 8 also differ from one another only in a different number of punching units 1a, 1b and 1a, 1b, 1c.
  • a punching tool 2, 2 ', 2 "of a punching unit 1a, 1b, 1c, viewed in the direction of movement A of the material web 17, is aligned with a punching tool 2, 2' or 2" of another punching unit 1a, 1b or 1c.
  • FIG. 7 The embodiment shown is in each case one of the punching tools 2 of the punching unit 1a aligned with a punching tool 2 'of the other punching unit 1b.
  • Each pair of punching tools 2, 2 'aligned with one another makes perforations 18, 18' in one of the two material web sections 17a, 17b.
  • one of the two holes 18 or 18 ', which are in a material web area a, c, d or f are attached, punched by the punching tool 2 of the punching unit 1a and the other of the two holes 18, 18 'of the punching tool 2' of the other punching unit 1b.
  • the material web 17 is moved forward in a manner not shown in detail, but known per se, at a constant or a changing speed v.
  • the impression cylinder 5 of each punching unit 1 is driven at a peripheral speed which corresponds to the movement speed v of the material web 17.
  • the drive shaft 3 is driven independently of the impression cylinder 5. This means that the drive shaft 3 can be driven at a rotational speed which differs from the peripheral speed of the impression cylinder 5 and thus from the movement speed v of the material web 17. This enables the punchings to be made in the material web 17 to be adapted during operation, as will be done below with reference to FIG Figures 9 to 11 will be explained later.
  • the material web 17 provided with punchings 18 is then processed further and in doing so on per se known way cut or folded in the longitudinal and / or transverse direction.
  • FIG. 9 is in one of the representation of the Fig. 4 A corresponding illustration shows a punching tool 2 with an unwound punching strip 11.
  • a material web 17 is also shown in which holes 18, 18 ', 18 "are to be punched out, the mutual spacings y and y' of which deviate from the spacings x between the punching dies 12.
  • the punching tool 2 In order to punch the holes 18, 18 '18 "with unequal mutual distances y, y', the punching tool 2 is driven in the synchronous area s with a peripheral speed on the working circumference U which is the same as the movement speed v of the material web 17. In this synchronous area The holes 18, 18 'and 18 "are then punched. In the dynamic ranges r, the circumferential speed of the punching tool 2 can be varied and the distance y, y 'between the just punched hole 18 or 18' and the next hole 18 'or 18 "to be punched can be adjusted accordingly Fig. 11 explained.
  • the situation is different in the dynamic range r, in which the angular speed ⁇ of the punching tool 2 can be selected independently of the movement speed v of the material web 17, specifically adapted to the ratio of the distances y, y 'between the perforations 18, 18 ', 18 "at the distance x between the cutting dies 12.
  • the diagram of the Figure 11a shows the time course of the angular speed ⁇ of the punching tool 2 for the situation in which the distance y, y 'between two perforations 18, 18', 18 "is smaller than the distance x between the punching dies 12.
  • the angular speed ⁇ can be increased briefly in the dynamic range r, that is to say the punching tool 2 must be accelerated and then decelerated again to the angular velocity ⁇ 1.
  • the punching tool 2 continues to be driven in the dynamic range r at the angular speed ⁇ 1, as shown in diagram 11b. In this case, the punching tool 2 does not have to be accelerated or decelerated for a short time.
  • the direction of rotation of the punching tool 2 is reversed in the dynamic range r, i.e. the punching tool 2 is briefly rotated in the reverse direction.
  • the distance y between two punchings 18, 18 ', 18 " can be influenced by a controlled acceleration or deceleration of the punching tool 2 in the dynamic range r. In this way, it is possible to determine distances y between the punchings 18, 18', 18" which do not correspond to the distances x between the punching dies 12 of the punching strip 11. Simply by changing the circumferential speed of the punching tool 2 in the dynamic range r, different punching images can be generated without mechanical adjustments being necessary.
  • Fig. 12 is a block diagram of a corresponding one Control device shown.
  • Fig. 12 is in one of the Fig. 3
  • a punching unit 1 is shown in a corresponding illustration, of which only the components essential in connection with the control are provided with the corresponding reference numerals.
  • the machine control is denoted by 19 and the drive control for driving the drive shaft 3 of the punching tool 2 is denoted by 20.
  • the machine control 19 is connected to a sensor 21, in the present case a contrast sensor, which scans markings applied to the material web 17 and supplies corresponding scanning signals to the machine control 19.
  • the machine control 19 is also connected to a control valve 22 of a removal device for removing the punched-out parts (diecuts) and to the drive control 20.
  • the information relating to the position of the punchings 18 to be made in the material web 17 and the movement speed v of the material web 17 is stored in the machine control 19.
  • the angular velocity ⁇ 1 is derived from these quantities.
  • the machine control 19 On the basis of the scanning signals received from the sensor 21 and the data stored in or determined in the machine control 19, the machine control 19 now determines the angular speed ⁇ at which the punching tool 2 must be driven in the dynamic range r so that the punching (s) take place in the correct position. In addition, the machine control 19 controls the control valve 22 of the removal device at the correct point in time.
  • This punching unit 1 also has a guide 6 which extends in the direction of the axis of rotation 3a of the drive shaft 3 and is separate from this drive shaft 3, along which the punching tool 2 is guided during adjustment and which extends parallel to the longitudinal axis 5a of the impression cylinder 5.
  • This special configuration of the punching unit 1, as defined in claim 15, has the advantage that the drive shaft 3 does not have to perform any guiding tasks and only has to be designed to transmit the drive power. This makes it possible to use lighter drive shafts 3 and thus the masses which, when the drive speed of the punching tools 2 change in the dynamic range r ( Fig. 10 ) have to be accelerated or decelerated to keep them as small as possible.
  • a punching unit 1, 1 'or several punching units 1a, 1b, 1c arranged one behind the other are used, each punching unit having one or more punching tools 2, which are adjustable along their drive shaft 3 and can be locked in their respective working positions.
  • This arrangement allows the punching units 1 to be rearranged in a simple manner and with relatively little expenditure of time in such a way that the arrangements of the parts to be punched out, that is to say the punching patterns, are different.
  • By exchanging the punching strips 11, which can be done very easily is, both the punching patterns and the shape (contour) of the parts to be punched can be changed.
  • the punching tool 2 or the punching tools 2, 2 ′ are mounted in such a way that they can be moved briefly in the direction away from the impression cylinder 5. This makes it possible to drive the punching tools 2, 2 ′ also in the synchronous range s at a peripheral speed which differs from the peripheral speed of the impression cylinder 5 or from the movement speed v of the material web 17.
  • a brief lifting of a punching tool 2, 2 'from the impression cylinder 5 and the material web 17 makes it possible to deactivate certain punching dies 12 when the punching tool 2, 2' is rotated, i.e. not to bring them into contact with the material web 17 and thus to skip a punching 18 .

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  • 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)

Claims (13)

  1. Dispositif permettant de poinçonner des bandes de matériau en mouvement, ayant les caractéristiques suivantes :
    au moins deux unités de poinçonnage (1a, 1b),
    chaque unité de poinçonnage (1a, 1b) présente au moins un outil de poinçonnage (2) qui coopère avec un cylindre à contre-pression (5) monté rotatif et pouvant être entraîné, qui est disposé sur un arbre d'entraînement (3), monté rotatif et pouvant être entraîné, et est réglable au niveau de sa position en direction de l'axe longitudinal (3a) dudit arbre, et qui peut être bloqué dans différentes positions de travail,
    chaque outil de poinçonnage (2) présente un corps de base cylindrique (10) sur la circonférence duquel une bande à poinçonner (11) est fixée de manière remplaçable et est munie d'au moins une forme de poinçonnage (12),
    caractérisé en ce que les au moins deux unités de poinçonnage (1a, 1b) sont disposées successivement dans le sens de déplacement (A) de la bande de matériau (17), et en ce que chaque unité de poinçonnage (1a, 1b) présente un guidage (6) s'étendant en direction de l'axe de rotation (3a) de l'arbre d'entraînement (3), en étant séparé de celui-ci, guidage le long duquel les outils de poinçonnage (2) sont guidés lors du réglage et qui s'étend en parallèle à l'axe longitudinal (5a) du cylindre à contre-pression (5).
  2. Dispositif selon la revendication 1, caractérisé en ce que chaque unité de poinçonnage (1a, 1b) présente deux outils de poinçonnage (2), ou plus, disposés sur l'arbre d'entraînement (3) et dont la distance mutuelle est réglable.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que pour un outil de poinçonnage (2) par unité de poinçonnage (1a, 1b), l'outil de poinçonnage (2) de ladite une unité de poinçonnage (1a) est décalé par rapport à l'outil de poinçonnage (2') de l'autre unité de poinçonnage (1b), vu dans une direction s'étendant transversalement au sens de déplacement (A) de la bande de matériau (17), ou en ce que pour deux outils de poinçonnage (2), ou plus, par unité de poinçonnage (1a, 1b), au moins l'un des outils de poinçonnage (2) de ladite une unité de poinçonnage (1a) est décalé par rapport à l'un des outils de poinçonnage (2') de l'autre unité de poinçonnage (1b), vu dans une direction s'étendant transversalement au sens de déplacement (A) de la bande de matériau (17).
  4. Dispositif selon la revendication 1 ou 2, caractérisé en ce que pour un outil de poinçonnage (2), par unité de poinçonnage (1a, 1b), l'outil de poinçonnage (2) de ladite une unité de poinçonnage (la), vu dans le sens de déplacement (A) de la bande de matériau (17), est aligné sur l'outil de poinçonnage (2') de l'autre unité de poinçonnage (1b), ou en ce que pour deux outils de poinçonnage (2), ou plus, par unité de poinçonnage (1a, 1b), au moins l'un des outils de poinçonnage (2) de ladite une unité de poinçonnage (la), vu dans le sens de déplacement (A) de la bande de matériau (17), est aligné sur l'un des outils de poinçonnage (2') de l'autre unité de poinçonnage (1b).
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'outil de poinçonnage (2) ou du moins une partie des outils de poinçonnage (2) de ladite une unité de poinçonnage (1a) sert à traiter une portion (17a) de la bande de matériau (17) s'étendant dans le sens de déplacement (A) de la bande de matériau (17), et l'outil de poinçonnage (2') ou du moins une partie des outils de poinçonnage (2') de l'autre unité de poinçonnage (1b) sert à traiter une deuxième portion différente (17b) de la bande de matériau (17) s'étendant également dans le sens de déplacement (A) de la bande de matériau (17).
  6. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'outil de poinçonnage (2) ou du moins une partie des outils de poinçonnage (2) de ladite une unité de poinçonnage (1a) et l'outil de poinçonnage (2') ou du moins une partie des outils de poinçonnage (2') de l'autre unité de poinçonnage (1b) servent à traiter la même portion (17a ou 17b) de la bande de matériau (17) s'étendant dans le sens de déplacement (A) de la bande de matériau (17).
  7. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les unités de poinçonnage (1a, 1b) s'étendent substantiellement sur toute la largeur de la bande de matériau (17).
  8. Dispositif selon l'une quelconque des revendications 1 à 7, caractérisé en ce que les cylindres à contre-pression (5) présentent une surface lisse qui est de préférence trempée.
  9. Dispositif selon l'une quelconque des revendications 1 à 8, caractérisé en ce que les cylindres à contre-pression (5) peuvent être entraînés à une vitesse périphérique qui correspond à la vitesse de déplacement (v) de la bande de matériau (17).
  10. Dispositif selon l'une quelconque des revendications 1 à 9, caractérisé en ce que chaque outil de poinçonnage (2, 2') est monté, par exemple en utilisant un accouplement radial, de telle sorte que la distance entre l'outil de poinçonnage (2, 2') et le cylindre à contre-pression (5) est réglable.
  11. Dispositif selon l'une quelconque des revendications 1 à 10, caractérisé en ce que chaque outil de poinçonnage (2) est muni d'un dispositif (27) fonctionnant en dépression pour maintenir temporairement et restituer ultérieurement les pièces découpées dans la bande de matériau (17).
  12. Dispositif selon l'une quelconque des revendications 1 à 10, caractérisé en ce qu'un dispositif d'évacuation (23) pour évacuer les pièces découpées dans la bande de matériau (17) est associé à chaque outil de poinçonnage (2) et permet au moyen d'un jet (26) d'un médium gazeux, de préférence de l'air, de détacher de la bande de matériau (17) les pièces découpées et de les évacuer.
  13. Dispositif selon la revendication 1, caractérisé en ce que le guidage (6) est réalisé sur la face inférieure d'une barre de guidage stationnaire (7) et s'étend sur toute la largeur de travail de l'unité de poinçonnage (1) .
EP11001073.3A 2011-02-10 2011-02-10 Dispositif d'estampillage de bandes de matériaux se déplaçant Active EP2487015B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP11001073.3A EP2487015B1 (fr) 2011-02-10 2011-02-10 Dispositif d'estampillage de bandes de matériaux se déplaçant
US13/337,720 US8910551B2 (en) 2011-02-10 2011-12-27 Apparatus for punching moving material webs
US14/539,380 US20150068379A1 (en) 2011-02-10 2014-11-12 Apparatus for punching moving material webs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11001073.3A EP2487015B1 (fr) 2011-02-10 2011-02-10 Dispositif d'estampillage de bandes de matériaux se déplaçant

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EP2487015A1 EP2487015A1 (fr) 2012-08-15
EP2487015B1 true EP2487015B1 (fr) 2021-04-28

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US20150165636A1 (en) * 2013-05-19 2015-06-18 Ernest Aubrey Woodroof Silicone membrane slitting machine and method
US20170259449A1 (en) * 2014-10-27 2017-09-14 E. Aubrey Woodroof Silicone Membrane Slitting Machine and Method
CN104760088B (zh) * 2015-04-02 2017-04-12 福建工程学院 一种激光熔覆直接成型的旋转模切模辊
ES2607637B1 (es) * 2015-10-02 2018-01-15 Girnet Internacional, S.L. Un procedimiento para obtener una o varias tiras de un material en banda y un troquel de corte para la puesta en práctica del procedimiento
DE102016011960B4 (de) 2016-10-07 2019-12-12 Lohmann Gmbh & Co. Kg Zentralzylinder
DE102018106416A1 (de) * 2018-03-20 2019-09-26 Michael Ludwig Stanze zur Stanzung von Löchern in die Innenschale sowie die Außenschale eines Fensterprofils
CN115041575B (zh) * 2022-08-16 2022-11-01 四川旭茂微科技有限公司 一种跳片成型装置
CN115382970B (zh) * 2022-10-26 2023-03-24 常州康鼎医疗器械有限公司 一种器械盒用数控冲床及方法
DE102022211947A1 (de) 2022-11-10 2024-05-16 Mahle International Gmbh Modulare Stanzeinrichtung

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Also Published As

Publication number Publication date
US20150068379A1 (en) 2015-03-12
US8910551B2 (en) 2014-12-16
US20120204692A1 (en) 2012-08-16
EP2487015A1 (fr) 2012-08-15

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