EP1216157B1 - Stanzvorrichtung für blattstapel - Google Patents

Stanzvorrichtung für blattstapel Download PDF

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Publication number
EP1216157B1
EP1216157B1 EP00956309A EP00956309A EP1216157B1 EP 1216157 B1 EP1216157 B1 EP 1216157B1 EP 00956309 A EP00956309 A EP 00956309A EP 00956309 A EP00956309 A EP 00956309A EP 1216157 B1 EP1216157 B1 EP 1216157B1
Authority
EP
European Patent Office
Prior art keywords
punch
blade shaft
punching
blades
blade
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
EP00956309A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1216157A1 (de
Inventor
Horst Hild
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.)
Esselte NV
Original Assignee
Esselte NV
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 Esselte NV filed Critical Esselte NV
Publication of EP1216157A1 publication Critical patent/EP1216157A1/de
Application granted granted Critical
Publication of EP1216157B1 publication Critical patent/EP1216157B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42B—PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES OR SIGNATURES OR PERMANENTLY ATTACHING OBJECTS THERETO
    • B42B5/00—Permanently attaching together sheets, quires or signatures otherwise than by stitching
    • B42B5/08—Permanently attaching together sheets, quires or signatures otherwise than by stitching by finger, claw or ring-like elements passing through the sheets, quires or signatures
    • B42B5/10—Permanently attaching together sheets, quires or signatures otherwise than by stitching by finger, claw or ring-like elements passing through the sheets, quires or signatures the elements being of castellated or comb-like form
    • B42B5/103—Devices for assembling the elements with the stack of sheets
    • 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
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/10—Hand or foot actuated means
    • 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
    • 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
    • B26F1/04—Perforating by punching, e.g. with relatively-reciprocating punch and bed with selectively-operable punches
    • 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 invention relates to a device for punching sheet stacks, in particular for a combined punching and binding machine, with one side insertion slot limited by a punch die for those with a row sheets of the sheet stack to be provided from punch holes near the edge and with a number of at defined intervals along the slot arranged from each other, via an actuator across the slot and the punching die which can be moved through the punching die.
  • EP-A-864440 discloses a device according to the preamble of claim 1.
  • the object of the invention is a punching device to improve the type specified in that a relatively little construction and assembly work is required and that at Friction and deformation losses occurring during operation are reduced.
  • the solution according to the invention is based on the idea that the Punching knife with one over the actuator around a central axis rotatable cutter shaft detachably coupled and curved coaxially to the central axis are radial in their parts pointing in the circumferential direction Have a distance from the knife shaft.
  • a preferred embodiment of the invention provides that on the knife shaft a radially protruding, elongated receiving rib for at least one of the punch body is arranged and that the punch body in the area of its base web at least two spaced apart Breakthroughs for receiving radially protruding from the knife shaft Has retaining pin.
  • the Receiving rib advantageously a radially pointing in the circumferential direction on the knife shaft protruding stop step against which the punch body in the assembled state with the back edge of its base web.
  • At least one Part of the punching knives on their front faces on oblique cutting edges In order to reduce the punching forces to be overcome, at least one Part of the punching knives on their front faces on oblique cutting edges. It has proven to be advantageous if at least two of the cutting edges have different oblique angles when viewed in the punching direction, at least two of the cutting edges viewed in the punching direction can be inclined on opposite sides. in principle it is also possible to have at least one of the cutting edges transverse to the cutting direction align.
  • At least some of the punching knives can be on their end also have concave curved, crescent-shaped cutting edges.
  • the invention is at least a part of the punching knife individually on a knife holder arranged, the knife holder with the over the actuator Knife shaft rotatable about the central axis can be coupled.
  • the punching knife pointing in the circumferential direction of the knife shaft is coaxial curved to the central axis and has a radial distance from the knife shaft on.
  • a preferred embodiment of the invention provides that at least one of the knife holders axially immovable and in the circumferential direction optionally slidable or lockable via a coupling mechanism is arranged on the knife shaft. With these measures it is achieved that individual punching knives of the knife arrangement are optionally switched off can be. With this, given a sheet format, edge punchings can be made be avoided.
  • the clutch mechanism expediently has a camshaft with one each the cam curve assigned to the individual knife holders and one each Radially adjustable locking member on the associated cam curve.
  • the camshaft can engage in a central bore in the knife shaft, so that the camshaft and the knife shaft against each other about the central axis are rotatable.
  • the locking member advantageously engages through one radial breakthrough in the knife shaft, being in the locked position under the action of the cam curve in one to the radially inside lying knife shaft open radial bore of the knife holder engages and in the switch-off position from the radial bore in the direction Knife shaft is pushed out.
  • the blocking member is conveniently under the action of a force pointing in the direction of the camshaft Knife holder supported spring.
  • the knife shaft is advantageously rotationally fixed with an actuating lever connected. But it can also be driven by a motor.
  • the curved punching knives are practical with their convex outer surface guided in a concave curved slide guide fixed to the housing.
  • to Reduction of the frictional forces can be achieved by ribs on the convex outer surface and / or a linear system in the concave sliding guide be achieved.
  • the Stamping die formed as a metal plate, which around a in the entry area Punch openings running centrally along the bend edge is bent while widening the punch openings. It is also advantageous if the insertion gap is on the side opposite the punch die has a scraper with openings for the punch knives to pass through, it is sufficient for guiding the punching knife when in the rest position only the longest punch knife in the associated shaft Wiper breakthrough engages.
  • the punching and binding machine shown in the drawing is for punching and binding sheets of different thicknesses and with different Sheet formats determined.
  • the punching and binding machine includes one Punching mechanism 10 with an insertion gap 12 for those with a row of sheets 14 to be provided near the edge of the binding, a binding mechanism 16 for binding the sheet stack in the area of the binding holes by means of a not shown, elastically spreadable spine relative to the machine housing 18 between a working position and a leaf magazine 20 with measuring chamber 22, which can be pivoted to a rest position, and a measuring arrangement engaging in the measuring chamber of the sheet magazine 20 24 for the thickness measurement of the one located in the measuring chamber, not illustrated stack of sheets.
  • the operating lever 30 detachable knife shaft over a partial length radially projecting receiving ribs 42 extending on the knife shaft, which form a stop step 40 for punch body 44.
  • the punch body 44 have several protruding circumferentially over the receiving ribs 42 and punch knives 46 spaced axially apart on, which carry a cutting edge 48 on their front side.
  • the punch body 44 with the punching knives 46 are coaxial to the axis 50 in the assembled state the knife shaft 28 curved.
  • the individual punch blades 46 of the punch body 44 are in the circumferential direction to different degrees over the base web 45 over so that they are in different angular positions during the punching process of the operating lever 30 take effect. This will overcome those Punching forces reduced.
  • the punch body 46 shown in FIGS. 6a to c has a total of seven Punching knives 46 projecting to different degrees over the base web 45 the middle punch knife is longer than the other punch knives, while the two outer die cutters are shorter than the middle one, but longer than the other die cutters. With these precautions is achieved that the moment forces acting on the punch body 44 during the punching process, which could tilt the punch body 44 with respect to the knife shaft, be reduced.
  • the cutting knives have oblique cutting edges 48 on their end faces on, with partly different oblique angles, which in different Can point directions. Instead of the diagonal cutting edges In the guillotine style, concave, crescent-shaped punching edges can also be used be provided.
  • the punch body 44 are not shown on the holes 52 in FIG Pin the receiving ribs 42 against displacement in the circumferential direction and fixed in the axial direction.
  • On the knife shaft 28 are in the shown Embodiment also three in different axial positions Knife holder 54 located, which protrude in the circumferential direction have curved punch knives 56 and via a camshaft 58 can optionally be coupled with the knife shaft 28 in a form-fitting manner.
  • the insertion gap 12 on the cutting edges 48 is the cutting knife 46 and 56 opposite side delimited by a punch die 60, the passage openings 62 arranged at equal intervals from one another for the punching knives 46, 56 and that on their insertion slot 12 opposite side open into a receptacle 64 for punching waste.
  • the stamping die 60 is designed as a metal plate which extends over the fastening holes 61 is screwed to a housing-fixed part.
  • the punch die is one in the entry area of the through openings 62 in the middle, running along the through openings Bending edge 63 folded to widen the punch openings.
  • the insertion gap is on the flank opposite the punching die 60 12 by a scraper 65 with openings for the passage of the Stamping knife 46, 56 limited. Exactly around the flying knife to align, at least one of the punching knives 46, 56 engages in the rest position the knife shaft 28 into the associated wiper opening.
  • the punching bodies 44 are concave curved, housing-fixed sliding guide 69 out.
  • the sliding guide can be provided with circumferential ribs to the frictional forces to reduce.
  • the actuating lever 30 is pointing upwards Starting position pivoted into the end position shown in Fig. 1.
  • the punching knives 46, 56 arrive with their cutting edges 48 one after the other through the stripper 65 into the insertion gap 12 and the Passage opening 62 of the punch die 60 and in this way generate the Binding holes near the edge in the sheets 14 in the insertion gap.
  • the switch blades 54 are made in accordance with the predetermined Format switched on or off. It becomes a symmetrical one Hole arrangement achieved along the edge of the hole and at the same time avoided, that side edges are punched out.
  • a camshaft 58 is connected to the rotary knob 76 in a rotationally and displaceably fixed manner.
  • the camshaft 58 engages in one side of the rotary knob 76 open central bore 90 of the cutter shaft 28 and points to the axial Positions of the rotatable on the knife shaft 28 about the axis 50 Knife holder 54 each have a cam curve 92.
  • the camshafts 58 a via the cam curves 92 locking pin arranged in a radial opening 94 of the knife shaft 28 96 positioned radially.
  • the locking pin 96 is under the influence of an Knife holder 54 is supported by spring 98, which presses it against cam cam 92 suppressed.
  • the locking pin engages 96 into a blind hole 100 open to the knife shaft 28 or is made of this coughed up.
  • the engaged position of the locking pin there is a positive connection of the knife holder 54 in question with the knife shaft 28, while in the disengaged position there is no positive connection and the knife holder 54 in a circumferential groove 102 of the knife shaft 28 coaxially is rotatable to axis 50 (switch-off position).
  • the bottom 104 of the measuring chamber 22 a plurality of steps 118 leading to the rear contact surface 106 descend.
  • this step arrangement it is possible to make a thick one Subdivide the stack of sheets so that the partial stacks are slightly above their upper Step edge can be recorded individually.
  • Levels 118 are chosen so that the individual partial stacks fit into the insertion gap 12. Thereby is punching and binding thick sheet stacks that are not punched at once can be relieved.
  • the invention relates to a device for punching sheet stacks, especially for a combined Punching and binding machine.
  • the punching device has one side by a die 60 limited insertion slot 12 for those with a Row of punch holes to be provided near the edge 14 and one Number of along the insertion gap at defined distances from each other arranged, via an actuating lever 20 across the insertion gap 12 and the punch die 60 movable punch knives 46, 56 on.
  • a particularly simple and low-friction construction is according to the Invention achieved in that a plurality of punch knives 46 via a base web 45 integrally connected to form a punch 44 are that at least one of the punch body 44 with one above the Actuating lever 30 knife shaft 28 rotatable about a central axis 30 is detachably coupled and curved coaxially to the central axis, and that the Punching body at least on its punching knives pointing in the circumferential direction 46 has a radial distance from the cutter shaft 28.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP00956309A 1999-09-30 2000-07-27 Stanzvorrichtung für blattstapel Expired - Lifetime EP1216157B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19947256A DE19947256A1 (de) 1999-09-30 1999-09-30 Stanzvorrichtung für Blattstapel
DE19947256 1999-09-30
PCT/EP2000/007219 WO2001023191A1 (de) 1999-09-30 2000-07-27 Stanzvorrichtung für blattstapel

Publications (2)

Publication Number Publication Date
EP1216157A1 EP1216157A1 (de) 2002-06-26
EP1216157B1 true EP1216157B1 (de) 2003-05-28

Family

ID=7924116

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00956309A Expired - Lifetime EP1216157B1 (de) 1999-09-30 2000-07-27 Stanzvorrichtung für blattstapel

Country Status (7)

Country Link
EP (1) EP1216157B1 (zh)
CN (1) CN1358141A (zh)
AT (1) ATE241478T1 (zh)
AU (1) AU6829900A (zh)
DE (2) DE19947256A1 (zh)
HK (1) HK1043567A1 (zh)
WO (1) WO2001023191A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8434987B2 (en) 2009-12-23 2013-05-07 ACCO Brands Corporation Binding machine
CN105171834B (zh) * 2013-03-25 2016-11-30 兰如林 适用在布料、皮料以及革料上的打孔机
CN105459200A (zh) * 2015-11-16 2016-04-06 上海应用技术学院 折纸和打孔一体化装置
CN114932597B (zh) * 2022-06-15 2023-08-25 中鼎星模具(苏州)有限公司 一种数控激光刀模冲片机装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2293129B (en) * 1992-05-27 1996-06-12 Acco Rexel Group Services Plc Punching devices
EP0864440A1 (de) * 1997-03-13 1998-09-16 Ibico Ag Stanzeinheit
DE19856702A1 (de) * 1998-12-09 2000-06-21 Esselte Nv Stanzvorrichtung

Also Published As

Publication number Publication date
HK1043567A1 (zh) 2002-09-20
ATE241478T1 (de) 2003-06-15
AU6829900A (en) 2001-04-30
DE19947256A1 (de) 2001-04-05
CN1358141A (zh) 2002-07-10
WO2001023191A1 (de) 2001-04-05
EP1216157A1 (de) 2002-06-26
DE50002388D1 (de) 2003-07-03

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