EP0086419A2 - Poinçonneuse rotative pour poinçonner des bandes en mouvement - Google Patents

Poinçonneuse rotative pour poinçonner des bandes en mouvement Download PDF

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Publication number
EP0086419A2
EP0086419A2 EP83101101A EP83101101A EP0086419A2 EP 0086419 A2 EP0086419 A2 EP 0086419A2 EP 83101101 A EP83101101 A EP 83101101A EP 83101101 A EP83101101 A EP 83101101A EP 0086419 A2 EP0086419 A2 EP 0086419A2
Authority
EP
European Patent Office
Prior art keywords
punching
base body
carrier
clamping element
holder
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Withdrawn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
EP83101101A
Other languages
German (de)
English (en)
Other versions
EP0086419A3 (fr
Inventor
Willi Felix
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.)
JOS HUNKELER AG FABRIK fur GRAPHISCHE MASCHINEN
Original Assignee
JOS HUNKELER AG FABRIK fur GRAPHISCHE MASCHINEN
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 JOS HUNKELER AG FABRIK fur GRAPHISCHE MASCHINEN filed Critical JOS HUNKELER AG FABRIK fur GRAPHISCHE MASCHINEN
Publication of EP0086419A2 publication Critical patent/EP0086419A2/fr
Publication of EP0086419A3 publication Critical patent/EP0086419A3/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Withdrawn legal-status Critical Current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
    • B26F1/02—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
    • 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
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/14—Punching tools; Punching dies

Definitions

  • the present invention relates to a rotary punching tool for making perforations on running material webs, in particular paper webs, according to the preamble of claim 1.
  • the material web is passed between the holder and the counter-holder.
  • the meshing engagement of the punching pins protruding from the holder into the sleeves on the counterholder punches out the individual holes.
  • the punching pins are each inserted individually into a segment-shaped holding element which is screwed to a base body. Each punch pin is detachably held in its holding element by means of a screw.
  • the punch pins are made of a relatively soft material, while the sleeves are hardened. The punch pins wear out faster than the sleeves and must therefore be replaced from time to time.
  • the present invention is based on the object of designing a punching tool of the type mentioned at the outset in such a way that all or at least some of the punching pins can be replaced quickly and easily without the correct functioning of the punching tool being impaired thereby.
  • the holder can easily be constructed, for example according to claim 6, that only a few steps are required to remove the carrier from the holder, for example loosening a small number of screws. Because the carrier runs inside the holder and not on the outside, it is possible to hold the punch pins well, which is a prerequisite for a correct engagement of the punch pins in the sleeves of the counter holder and thus for achieving a clean perforation.
  • FIG. 1 shows schematically a punching tool 1 for making a perforation, for example a transport perforation, on a paper web 2.
  • This punch 1 has a hollow cylindrical holder 3, which is seated on a rotating shaft 4, and a likewise hollow cylindrical counter holder 5, which is driven synchronously rotating.
  • the holder 3 is provided with at least one row of punch pins 6 (patrices) which extend in the circumferential direction and are arranged at regular intervals and run in the radial direction. These punching pins 6 project with their heads 6a over the lateral surface 3a of the holder 3.
  • sleeves 7 are used in the counter-holder, which generally consist of hardened material, while the punch pins 6 are made of a softer material. As it passes through the material web 2, the section that comes under a punch pin 6 is pressed into a sleeve 7 and punched through the head 6a of the punch pin 6 at the upper edge of the sleeve 7 forming a die. The punching waste falls through the sleeve 7 into the interior of the counter holder 5.
  • the punch pins 6 are fastened to a band-shaped carrier 8 at their rear end 6b opposite the head 6a.
  • This carrier 8 consists of a bendable material, e.g. made of brass, spring steel or plastic.
  • the punch pins 6 are preferably attached to the carrier 8 by means of rivets 9. However, it is also possible to firmly connect the punch pins 6 to the carrier 8 in another way, for example by spot welding.
  • the carrier 8 is arranged coaxially to the holder 3 and runs at a distance from the lateral surface 3a of the holder 3 and essentially parallel to this lateral surface 3a, as can be seen from FIG.
  • the ring-shaped carrier 8 consists of two halves which are not connected to one another.
  • the construction of the holder 3 and the fastening of the punch pins 6 and the carrier 8 in this holder 3 can be seen from FIG.
  • the holder 3 consists of a hollow cylindrical base body 10, which is offset on its end face 10a along its circumference.
  • the two halves of the carrier 8 also adjoin each other in this parting plane E.
  • Each half 11a, 11b of the clamping element 11 is detachably fastened to the base body 10 by means of three screws 12 and 13, respectively, which run parallel to the longitudinal axis 3b of the holder 3.
  • the carrier 8 with the punching pins 6 is arranged and held between the base body 10 and the clamping element 11. Each punch pin 6 engages in a correspondingly designed recess 14 or 15 in the base body 10 or in the clamping element 11.
  • the carrier 8 rests on a support ring 16 which is coaxial with the base body 10 and is penetrated by the screws 12 and 13 and held in position by these screws.
  • This support ring 16 forms with a projecting part 17 or 18 of the base body 10 and the clamping element 11 a groove-like space 19 or 20.
  • the carrier 8 engages laterally in these two spaces 19, 20. The carrier 8 is thus held in the region of its two side edges between the support ring 16 and the projecting parts 17 and 18.
  • the clamping element 11 On the side facing the punch pins 6, the clamping element 11 is provided with a groove 21 into which a ring 22 made of an elastically compressible material, e.g. a rubber ring is inserted. In the relaxed state, this ring 22 projects somewhat above the clamping element 11 and exerts a compressive force on the punching pins 6 when the clamping element 11 is screwed tight.
  • the punch pins 6 can be provided with a groove 23 which extends along their circumference and into which the ring 22 can engage. The design and arrangement of this groove 23 and the ring 22 is selected so that the ring 22 exerts a force on the punch pins 6 with a component which is directed radially inwards and which causes the carrier 8 to be pressed against the support ring 16.
  • the halves 11a and 11b of the clamping element 11 are removed after loosening the screws 12 and 13, respectively.
  • the now exposed carrier 8 with the punch pins 6 can now be removed without difficulty and replaced by a new carrier 8.
  • the subdivision of both the carrier 8 as well of the clamping element 11 in two parts has the advantage that the punch pins 6 can be exchanged without the holder 3 having to be removed from the shaft 4.
  • punch pins 6 can thus be carried out quickly and easily in a few simple steps. If instead of screws 12, 13 e.g. Quick-release fasteners used, the loosening and attaching the clamping element 11 can be simplified even further. The punch pins 6 are held correctly in their correct position during the punching process, which enables clean punching.
  • FIGS. 4 and 5 another embodiment of the holder 3 is shown, which essentially differs from the holder 3 shown in FIG. 2 only by a different design of the clamping element 11. Corresponding parts are therefore designated in FIGS. 4 and 5 with the same reference numerals as in FIGS. 1-3.
  • the clamping element 11 has pointed projections 24 on its surface facing the punching pins 6, which extend along circular lines coaxial with the longitudinal axis 3b of the holder 3. These projections 24 are hardened and dig into the shank of the punch pins 6, which are made of somewhat softer material and are thereby held in place.
  • a locking ring 25 is inserted, which takes the place of the ring 22 elastically compressible material occurs, which is provided in the embodiment of FIG. 2.
  • the locking ring 25 engages in the circumferential groove 23 of the punch pins 6 and is intended to prevent the punch pins 6 from being loosened in addition to the projections 24.
  • grooves 26 (FIG. 4) which run parallel to the longitudinal axis 3b of the holder 3 and which serve to receive the rivets 9 with which the punching pins 6 are fastened to the carrier 8.
  • Both the carrier 8 and the clamping element 11 can consist of more than two parts. In addition, it is also possible to manufacture the carrier 8 and the clamping element 11 in one piece. However, such a design has the disadvantage that the holder 3 must be removed from the shaft 4 in order to replace the punching pins 6.
  • the carrier 8 Although it is generally necessary for the carrier 8 to be held securely in place, to clamp it on both side edges as shown, it is also conceivable for the carrier 8 to be gripped only on one side, i.e. to be held only either between the support ring 16 and the projecting part 17 of the base body 10 or between this support ring 16 and the projecting part 18 of the clamping element 11.
  • the support ring 16 can be omitted, which then makes it necessary to provide an annular groove 19 or 20 in the base body 10 or in the clamping element 11, which, however, can cause manufacturing difficulties due to the small width of this groove.
  • a plurality of rows of punch pins 6 which are parallel to one another can also be provided.
  • the punch pins of adjacent rows can be fastened on the same support 8 or on different supports arranged next to one another.
  • the punching tools described are suitable, among other things, for attaching the edge-side transport perforation to continuous paper webs, as are e.g. for form sets or in data processing systems.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP83101101A 1982-02-11 1983-02-05 Poinçonneuse rotative pour poinçonner des bandes en mouvement Withdrawn EP0086419A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH839/82 1982-02-11
CH83982 1982-02-11

Publications (2)

Publication Number Publication Date
EP0086419A2 true EP0086419A2 (fr) 1983-08-24
EP0086419A3 EP0086419A3 (fr) 1986-02-19

Family

ID=4196398

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83101101A Withdrawn EP0086419A3 (fr) 1982-02-11 1983-02-05 Poinçonneuse rotative pour poinçonner des bandes en mouvement

Country Status (2)

Country Link
EP (1) EP0086419A3 (fr)
JP (1) JPS58146971A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2578185A1 (fr) * 1985-03-01 1986-09-05 Cavanna Serge Porte-outil rotatif reglable
GB2293128A (en) * 1992-05-27 1996-03-20 Acco Rexel Group Services Plc Punching device
GB2301058A (en) * 1995-05-22 1996-11-27 Upton Mechanical Design Limite Punch roller
EP0820843A1 (fr) * 1996-07-23 1998-01-28 Western Printing Machinery Company Outil de perforation pour machine de coupe rotative

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB665178A (en) * 1949-05-19 1952-01-16 Timsons Ltd Improvements in and relating to paper and like punches
US3106859A (en) * 1962-08-22 1963-10-15 Hamilton Tool Co Apparatus for rotarily punching webs of paper
NL6712016A (fr) * 1967-09-01 1969-03-04
FR2081199A1 (en) * 1970-03-17 1971-12-03 Feune De Colombi Jean Covering material - from natural or artificial leather or plastic particularly as chair covering
US3828632A (en) * 1972-10-24 1974-08-13 Tools And Prod Inc Rotary punch
WO1982000432A1 (fr) * 1980-08-05 1982-02-18 Loerch E Poinconneuse rotative pour le percage de bandes de materiau

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2578185A1 (fr) * 1985-03-01 1986-09-05 Cavanna Serge Porte-outil rotatif reglable
GB2293128A (en) * 1992-05-27 1996-03-20 Acco Rexel Group Services Plc Punching device
GB2293128B (en) * 1992-05-27 1996-06-12 Acco Rexel Group Services Plc Punching devices
GB2301058A (en) * 1995-05-22 1996-11-27 Upton Mechanical Design Limite Punch roller
GB2301058B (en) * 1995-05-22 1999-01-06 Upton Mechanical Design Limite Hole punching
EP0820843A1 (fr) * 1996-07-23 1998-01-28 Western Printing Machinery Company Outil de perforation pour machine de coupe rotative
US5868057A (en) * 1996-07-23 1999-02-09 Western Printing Machinery Company Perforation rule for rotary cutting system

Also Published As

Publication number Publication date
JPS58146971A (ja) 1983-09-01
EP0086419A3 (fr) 1986-02-19

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Effective date: 19861020

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Inventor name: FELIX, WILLI