EP2487014A1 - Procédé et dispositif destinés à l'estampillage ou à la perforation de bandes de matériaux se déplaçant - Google Patents

Procédé et dispositif destinés à l'estampillage ou à la perforation de bandes de matériaux se déplaçant Download PDF

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Publication number
EP2487014A1
EP2487014A1 EP20110001072 EP11001072A EP2487014A1 EP 2487014 A1 EP2487014 A1 EP 2487014A1 EP 20110001072 EP20110001072 EP 20110001072 EP 11001072 A EP11001072 A EP 11001072A EP 2487014 A1 EP2487014 A1 EP 2487014A1
Authority
EP
European Patent Office
Prior art keywords
punching
punching tool
tool
material web
driven
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.)
Withdrawn
Application number
EP20110001072
Other languages
German (de)
English (en)
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 EP20110001072 priority Critical patent/EP2487014A1/fr
Priority to US13/369,611 priority patent/US20130036884A1/en
Publication of EP2487014A1 publication Critical patent/EP2487014A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/384—Cutting-out; Stamping-out using rotating drums
    • 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
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
    • 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
    • B26D7/2628—Means for adjusting the position of 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
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/06—Perforating by punching, e.g. with relatively-reciprocating punch and bed with punching tools moving with the work
    • B26F1/08—Perforating by punching, e.g. with relatively-reciprocating punch and bed with punching tools moving with the work wherein the tools are carried by, and in operation move relative to, a rotative drum or similar support
    • 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
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/06—Perforating by punching, e.g. with relatively-reciprocating punch and bed with punching tools moving with the work
    • B26F1/10—Roller type punches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • 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
    • Y10T83/04—Processes
    • Y10T83/0515—During movement of work past flying cutter
    • 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
    • Y10T83/4653—With means to initiate intermittent tool action
    • 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
    • Y10T83/4705—Plural separately mounted flying 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
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4737—With tool speed regulator

Definitions

  • the present invention relates to a method and an apparatus for punching or perforating moving material webs.
  • a punching unit which has a plurality of punches mounted on an axis, the distance of which is adjustable to each other and which are intended to work together with a counter-pressure cylinder.
  • Each punching tool has a cylindrical disc on the circumference of which a metal strip provided with stamped profiles is releasably held.
  • FIGS. 1 to 4 Based on FIGS. 1 to 4 the construction of two different embodiments of punching units, 1 and 1 'will be described.
  • the two embodiments differ only in that the punching unit 1 (FIG. Fig. 1 ) a punching tool 2 and the punching unit 1 'two punching tools 2, 2', which are of the same construction has.
  • 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 is displaceable with this in the direction of the axis of rotation 3a of the drive shaft 3 along this in various working positions.
  • Each punching tool 2, 2 ' is mounted in such a way, for example using a radial coupling, that the distance between the punching tool 2, 2' and the counter-pressure cylinder 5 can be set individually ( FIGS. 2 and 3 ).
  • the counter-pressure cylinder 5 has a smooth surface, which is preferably hardened.
  • the rotation axis 3a of the drive shaft 3 and the rotation axis 5a of the impression cylinder 5 are parallel to each other.
  • 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.
  • a guide 6 sliding guide
  • These Guide 6 extends parallel to the axis of rotation 5a of the impression cylinder 5.
  • a correspondingly shaped guide 8 cooperates, which is formed on the tool holder 4 (see in particular Fig. 3 ).
  • a locking device 9 (only schematically illustrated) Fig. 3 )
  • the punching tool 2 or 2 ' has a cylindrical base body 10, on the circumference of a punching tape 11 is releasably held.
  • the punching tape 11 is a metal strip which is held by magnetic force on the base body 10.
  • the punching tape 11 is provided with a number of punching dies 12 which are distributed over the length of the punching tape 11. The distances between the punching dies 12 may be the same or different.
  • the dies 12 may have the same shape or different shapes (contours).
  • Positioning pins 13 are provided on the circumference of the main body 10 and, when the stamped strip 11 is mounted, engage in positioning holes 14 on the stamped strip 11.
  • the punching tape 11 is positioned correctly. It is understood that the punching tapes 11 can also be attached to other suitably exchangeable on the base body 10. In this context, for example, the already mentioned DE 103 14 959 A1 and DE 298 05 004 U1 directed. It is also conceivable to arrange a plurality of punched strips 11 on the circumference of the main body 10.
  • each punching unit 1, 1 ' more than two punching tools 2 can be provided on the drive shaft 3.
  • FIGS. 5 to 8 Embodiments of punching devices 15 and 16 are described, which have two punching units 1a, 1b and three punching units 1a, 1b, 1c, which are seen in the direction of movement A of a material web 17 to be processed, arranged one behind the other.
  • the punching units 1a, 1b, 1c correspond structurally in the FIGS. 2 and 3 shown punching unit 1 'and each have two punches 4.
  • FIGS. 5 to 8 the same reference numerals as in the FIGS. 1 to 4 ,
  • each of the punching tools 2 of a punching unit 1a relative to the punching tools 2 ', 2''of the other punching unit 1b and 1c in the direction of the axis of rotation 3a of the drive 3 are moved, that is, in a direction that is transverse, in particular perpendicular, to the direction of movement A of the web 17 extends.
  • the punching tools 2 'of the punching unit 1b are offset from the punching tools 2 "of the punching unit 1c. This means that the punching tools 2 of the punching units 1a, 1b, 1c process different regions of the material web 17.
  • the punching tools 2 of the punching unit 1a serve to punch holes 18, 18 'in the section 17a of the material web 17, which serve, for example, as a deposit hole, while holes 18, 18' into the material web section 17b with the tools 2 'of the second punching unit 1b be punched.
  • the Fig. 5 shows, in both material web sections 17a, 17b different punches are made.
  • the regions a and c are provided with holes 18, 18 ', while the region b has no punching.
  • the perforations 18, 18 ' are mounted in the regions e and f, while the region d has no punching.
  • the tools 2 of the punching tool 1a process the material web portion 17a, the punching tools 2 'of the punching tool 1b, the material web portion 17b and the punching tools 2 "of the punching tool 1c the material web portion 17c.
  • FIG. 6 shows adjacent areas a, d, g and b, e, h and c, f, e of the web portions 17a, 17b, 17c processed differently.
  • the embodiments according to the FIGS. 7 and 8 also differ only by a different number of punching units 1a, 1b and 1a, 1b, 1c from each other.
  • one of the punching tools 2 of the punching unit 1a is aligned with a punching tool 2 'of the other punching unit 1b.
  • Each pair of aligned punching tools 2, 2 ' applies perforations 18, 18' in one of the two material web sections 17a, 17b.
  • one of the two holes 18 or 18 ' which are mounted in a material web region a, c, d or f, from the punching tool 2 of the punching unit 1a and the other of the two holes 18, 18' from the punching tool 2 'of the other punching unit 1b punched.
  • FIG. 8 serve the aligned punching tools 2, 2 '' of the punching units 1a, 1c for punching holes 18 in the web portion 17a, while the successive punching tools 2, 2 'of the punching units 1a, 1b for punching holes 18' in the web portion 17b are used.
  • the punching tools 2 ', 2 "of the punching units 1b, 1c aligned with each other the perforations 18" are punched out in the material web section 17c.
  • the individual regions a, d, g or b, e, h or c, f, i of the material web sections 17a, 17b, 17c can be processed differently from one another.
  • the punching tools 2, 2 ', 2 can also be aligned with each other in a different arrangement than shown.
  • FIGS. 5 to 8 show embodiments of the punching tools 2, 2 ', 2''punching 11 used with differently shaped punching dies 12, so can be on the web portions 17a, 17b, 17c punching produce with different contours.
  • the material web 17 is moved in a manner not shown, but known per se with a constant or a changing speed v forward.
  • the impression cylinder 5 of each punching unit 1 is driven at a peripheral speed which corresponds to the moving speed v of the material web 17.
  • the drive shaft 3 is driven independently of the impression cylinder 5.
  • the provided with punched holes 18 material web 17 is then further processed and thereby cut or folded in a conventional manner in the longitudinal and / or transverse direction.
  • Fig. 9 is in one of the representation of Fig. 4 corresponding representation of a punching tool 2 with unwound punching tape 11 shown.
  • the uniform distance in the present case between the punching dies 12 of the punching plate 12 is designated by x.
  • a material web 17 is shown in the holes 18, 18 '18''are to be punched, the mutual distances y or y' from the distances x between the punching dies 12 deviates.
  • Fig. 10 In the side view of Fig. 10 in which the punching tool 2 is shown only very schematically as well as the material web 17 with the holes 18, 18 ', 18' attached or to be attached, the distances x or y between the punching dies 12 and between the holes 18, 18 ', 18''registered.
  • Fig. 10 is the direction of rotation (desired direction of rotation) of the punching tool 2 with B and the working diameter, which is determined by the cutting of the punching dies 12, denoted by d.
  • a working circumference U of the punching tool 2 is determined.
  • s is an angle that defines a synchronous area.
  • Each punching tool 12 is associated with such a synchronous area s.
  • the angle denoted by r is called dynamic range. Such a dynamic range is located between each die 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 respectively driven in the synchronous area s with a peripheral speed at the working circumference U, which is the same as the moving speed v of the material web 17. In this Synchronous area s then takes place the punching of the holes 18, 18 'and 18''. In the dynamic ranges r, the peripheral 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 punched hole 18 'or 18''adjusted accordingly. This should now be based on the Fig. 11 be explained.
  • FIGS. 11a to 11d diagrams are shown for various punching operations, in each of which the angular velocity ⁇ of the punching tool 2 is recorded as a function of the time t.
  • the speed gradients are in two synchronous areas s, in each of which a punching takes place, and shown in an intermediate dynamic range r.
  • the punching tool 2 is shown schematically in its various respective rotational positions. With ⁇ 1 that angular velocity of the punching tool 2 is designated, which corresponds to a peripheral speed of the punching tool 2, which coincides with the movement speed v of the material web 17. This means that in the synchronous areas s, the punching tools 12 run synchronously with the material web 17.
  • the situation is different in the dynamic range r, in which the angular velocity ⁇ of the punching tool 2 can be selected independently of the movement speed v of the material web 17, adapted to the ratio of Distances y, y 'between the perforations 18, 18', 18 "to the distance x between the punching dies 12.
  • Fig. 11a is the time course of the angular velocity ⁇ of the punching tool 2 shown for the situation in which the distance y, y 'between two perforations 18, 18', 18 '' is smaller than the distance x between the cutting dies 12.
  • the Angular velocity ⁇ in the dynamic range r be increased briefly, that is, the punching tool 2 must be accelerated and then retarded to the angular velocity ⁇ 1.
  • the punching tool 2 is still driven in the dynamic range r at the angular velocity ⁇ 1, as shown in the diagram 11b , In this case, that must be Punching tool 2 neither accelerated for a short time nor delayed for a short time.
  • Fig. 11c is the time course of the angular velocity ⁇ of the punching tool 2 shown for the situation in which the distance y, y 'between two perforations 18, 18', 18 '' is greater than the distance x between the dies 12.
  • the Angular velocity ⁇ be reduced briefly in the dynamic range r, that is, the punching tool 2 must be delayed and then accelerated again to the angular velocity ⁇ 1.
  • the punching tool 2 is briefly stopped after a punching within the following dynamic range r and accelerated again to the angular velocity ⁇ 1 before reaching the following synchronous range s, as shown in the diagram Fig. 11d is shown.
  • the direction of rotation of the punching tool 2 is swept, i. the punching tool 2 is briefly rotated in the reverse direction.
  • the distance y between two punches 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 obtain spacings y between the punches 18, 18 ', 18 "that do not correspond to the distances x between the punching dies 12 of the punched strip 11. Simply by changing the peripheral speed of the Punching tool 2 in the dynamic range r different punching images can be generated without mechanical changes are necessary.
  • the angular velocity ⁇ of the punching tool 2 as based on the Fig. 11 can be changed so that the punches 18 is mounted in the web 17 at the desired locations, the drive for the punch 2 must be controlled accordingly.
  • a block diagram of a corresponding control device is shown.
  • a punching unit 1 is shown, of which only the essential components in connection with the control are provided with the corresponding reference numerals.
  • Fig. 12 is the machine control 19 and the drive control for driving the drive shaft 3 of the punching tool 2 denoted by 20.
  • the machine control 19 is connected to a sensor 21, in the present case a contrast sensor, which scans marks applied to the material web 17 and supplies corresponding scanning signals to the machine control 19.
  • the machine control 19 is further provided with a control valve 22 of a Abtransport adopted for carrying away the punched parts (punched), based on the Fig. 13 will be explained in more detail, and connected to the drive control 20.
  • the machine control system 19 the information regarding the position of the punchings 18 to be applied in the material web 17 and the movement speed v of the material web 17 is stored. From these quantities, the angular velocity ⁇ 1 is derived.
  • the machine controller 19 On the basis of the scanning signals obtained by the sensor 21 and the data stored in the machine control 19, the machine controller 19 now determines with which angular velocity ⁇ 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 right time.
  • FIGS. 13 and 14 are in the Fig. 3 corresponding sectional views of two different embodiments of Abtransport raiseden for the punched parts, that is, the punched, shown.
  • the diecuts are released and transported away by means of a timed compressed air blast from the web 17.
  • the liberated punched pieces can be sucked off or fed to a collection container arranged below the material web.
  • the Abtransport featured 23 used to dissolve the punched out is shown only very schematically and has already in connection with the Fig. 12 mentioned control valve 22.
  • the inlet of the control valve 22 is connected to a compressed air connection 26, which is connected to a compressed air source, not shown.
  • the control valve 22 is connected to a blowing nozzle 25.
  • This special embodiment of the punching unit 1, as defined in claim 15, has the advantage that the drive shaft 3 has no leadership tasks to meet 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 that occur when the drive speed of the punching tools 2 changes in the dynamic range r (FIG. Fig. 10 ) must be accelerated or retarded, as small as possible.
  • a punching unit 1, 1 'or a plurality of punching units 1a, 1b, 1c arranged one behind the other are used, of which each punching unit has 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 makes it possible to convert the punching units 1 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 punched pictures, are different.
  • the punching tapes 11 which is very easily possible, both the punching images and the shape (contour) of the parts to be punched out can be changed.
  • the punching tool 2 or the punching tools 2, 2 ' are mounted in such a way that they can be moved in the direction of the impression cylinder 5 for a short time.
  • This makes it possible to drive the punching tools 2, 2 'also in the synchronous area s with a circumferential 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 counter-pressure cylinder 5 and the material web 17 makes it possible to deactivate certain punching forms 12 when rotating the punching tool 2, 2', i. not to bring into contact with the material web 17 and thus to skip a punched 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)
EP20110001072 2011-02-10 2011-02-10 Procédé et dispositif destinés à l'estampillage ou à la perforation de bandes de matériaux se déplaçant Withdrawn EP2487014A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20110001072 EP2487014A1 (fr) 2011-02-10 2011-02-10 Procédé et dispositif destinés à l'estampillage ou à la perforation de bandes de matériaux se déplaçant
US13/369,611 US20130036884A1 (en) 2011-02-10 2012-02-09 Method and apparatus for punching or perforating moving material webs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20110001072 EP2487014A1 (fr) 2011-02-10 2011-02-10 Procédé et dispositif destinés à l'estampillage ou à la perforation de bandes de matériaux se déplaçant

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Publication Number Publication Date
EP2487014A1 true EP2487014A1 (fr) 2012-08-15

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EP20110001072 Withdrawn EP2487014A1 (fr) 2011-02-10 2011-02-10 Procédé et dispositif destinés à l'estampillage ou à la perforation de bandes de matériaux se déplaçant

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US (1) US20130036884A1 (fr)
EP (1) EP2487014A1 (fr)

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WO2015028778A1 (fr) * 2013-08-28 2015-03-05 Gkn Evo Edrive Systems Limited Appareil de poinçonnage à pas variable
WO2018177572A1 (fr) * 2017-03-28 2018-10-04 Krones Ag Mécanisme perforateur et procédé de perforation d'un boyau plié à plat

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WO2014201070A1 (fr) 2013-06-12 2014-12-18 The Procter & Gamble Company Procédé de perforation d'une ligne de faiblesse non linéaire
MX2015017172A (es) 2013-06-12 2016-03-16 Procter & Gamble Una linea de rasgadura no lineal formada por un aparato perforador.
ES2542216B1 (es) 2014-02-03 2016-05-10 Volpak, S.A.U. Un aparato y un método para practicar perforaciones en un material en movimiento en forma de banda
WO2016148900A1 (fr) 2015-03-17 2016-09-22 The Procter & Gamble Company Appareil permettant de perforer une ligne de moindre résistance non linéaire
WO2016148899A1 (fr) 2015-03-17 2016-09-22 The Procter & Gamble Company Appareil de perforation d'un matériau en bande
WO2016148894A1 (fr) 2015-03-17 2016-09-22 The Procter & Gamble Company Procédé de perforation d'une ligne de faiblesse non linéaire
EP3426447B1 (fr) * 2016-03-11 2020-05-06 Panotec SRL Machine et procédé pour travailler un matériau approprié pour la fabrication de récipients
US11806890B2 (en) 2017-09-11 2023-11-07 The Procter & Gamble Company Perforating apparatus and method for manufacturing a shaped line of weakness
CA3072603A1 (fr) 2017-09-11 2019-03-14 The Procter & Gamble Company Produit de papier hygienique a ligne de faiblesse faconnee
US11806889B2 (en) * 2017-09-11 2023-11-07 The Procter & Gamble Company Perforating apparatus and method for manufacturing a shaped line of weakness
CN109591090A (zh) * 2019-01-25 2019-04-09 重庆中航科技有限公司 一种聚苯板无尘切割机
EP3741526A1 (fr) * 2019-05-21 2020-11-25 The Procter & Gamble Company Procédé pour découper une bande soluble dans l'eau
JP7443105B2 (ja) * 2020-03-11 2024-03-05 キヤノン株式会社 シート処理装置及び画像形成システム

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