EP0760349B1 - Vorrichtung zum Entfernen von auf Punkturnadeln befindlichen Beschnittstreifen - Google Patents

Vorrichtung zum Entfernen von auf Punkturnadeln befindlichen Beschnittstreifen Download PDF

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Publication number
EP0760349B1
EP0760349B1 EP19960113357 EP96113357A EP0760349B1 EP 0760349 B1 EP0760349 B1 EP 0760349B1 EP 19960113357 EP19960113357 EP 19960113357 EP 96113357 A EP96113357 A EP 96113357A EP 0760349 B1 EP0760349 B1 EP 0760349B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
point
fingers
stripping
distance
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
EP19960113357
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0760349A3 (de
EP0760349A2 (de
Inventor
Manfred Kepert
Simon Kostiza
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer 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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP0760349A2 publication Critical patent/EP0760349A2/de
Publication of EP0760349A3 publication Critical patent/EP0760349A3/de
Application granted granted Critical
Publication of EP0760349B1 publication Critical patent/EP0760349B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/28—Folding in combination with cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • B65H35/08—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with revolving, e.g. cylinder, cutters or perforators
    • 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
    • Y10T83/0448—With subsequent handling [i.e., of product]
    • 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
    • Y10T83/0448—With subsequent handling [i.e., of product]
    • Y10T83/0467—By separating products from each other

Definitions

  • the invention relates to a device for removal of those located on pin needles of a cylinder Trim strips according to the generic term of Claims 1 or 2.
  • DE 28 34 696 C2 shows a combined cutting and Folding device.
  • a folding knife is needling Puncture needle trimming on a trimming strip.
  • the Trim strips are each made from a single one cut off printed paper web and such needled onto a rigid stripping device passed by. This is the trim strip captured laterally, pressed against the puncture and finally removed from it.
  • DE 29 31 968 B1 discloses a rotating Brush for stripping on pin needles to remove needled cut strips.
  • the bristles of the rotating brushes capture the trim strips on the long side and press it against the Puncture needles so that they are subject to bending are going to eventually get them from the pin needles to strip off.
  • US 38 93 359 A describes a device for Remove trim strips. Are on Scraper pins located arranged.
  • the generic DE 30 30 705 A1 is one of a jaw cylinder with circumferential ones Knives and a knife carrier cylinder Smooth cutting device known, the knife interact like a silhouette and from one Signature one running transversely to the direction of transport Cut off trimming or waste strips. This Trim strip is from on the knife carrier cylinder pin needles located and one in Suction device downstream of the peripheral area fed.
  • the invention has for its object a Device for the safe removal of trim strips of pressure carriers from a high speed rotating cylinder, especially a knife cylinder a scissor-cutting device.
  • a predetermined location e.g. B. one Suction device are promoted without the To leave puncture needles prematurely.
  • On Remove the trim strips from the specially trained puncture needles is done quickly movable ejector or compressed air at the intended location, so that the trim strips are removed in the correct position he follows; e.g. B. Feeding to
  • a device for removing puncture needles 24 a cylinder 2 of needled trim strip 84; 86 of a print medium, e.g. B. Paper consists of one rotating scraper 1, which with the upstream cylinder 2 interacts.
  • a Cutting knife bar 21 of the cylinder 2 can with Counter-cutting blades 44; 46 one Counter knife cylinder 3 cooperate (Fig. 1).
  • the rotating scraper device 1 consists of a cylindrical rotating scraper finger carrier 4, e.g. B. a shaft 4, which on its circumference in axially parallel direction a plurality in each case clear distance b spaced apart Wiper finger 6 has.
  • the wiper fingers 6 have an approximately L-shape and are with their foot 7 or the short leg by means of screws 8 on a flat surface of the shaft 4 secured against rotation. A free end 9 of a long Leg 5 of the wiper finger 6 protrudes radially Outside.
  • the wiper fingers 6 are the same length and can be made of metal or plastic.
  • each wiper finger 6 can be V-shaped or be fork-shaped (Fig. 6) to a To grasp puncture needle 24.
  • the Scraper finger is made in two parts. This Distance is slightly larger than the largest diameter of the Puncture needle 24.
  • the width of the scraper fingers this variant can be smaller, e.g. B. half the width of the wiper fingers 6 after the first embodiment.
  • the fork-like trained ends 9 of the wiper fingers 6 have during the removal of the trim strips 84; 86 one lateral distance to the puncture needle 24. This lateral distance from "just the puncture needle 24th not grazing or not touching ", e.g. 0.1 mm, to range to a distance of several millimeters.
  • the fork-like ends 9 reach at least up to half of the Diameter of the puncture needle 24. However, you can Longer, d. H. about the diameter of the puncture needle 24 addition, be carried out to "tear through” the Trim strips 84; To prevent 86.
  • the cylinder 2 is z. B. massive and has one or more, e.g. B. three at a first Embodiment on his with a radius r3 around his Longitudinal axis of rotation 36 formed circumference 14 regularly distributed rows 16; 17; 18 with several each side-by-side drive-through depressions 15 for the wiper fingers 6.
  • the drive-through recesses 15 correspond with the stripper fingers 6 in position and Number. They "comb" temporarily and without contact them.
  • Each drive-through recess is from a central angle ALPHA, e.g. B. included of 65 °.
  • the cross section each drive-through recess 15 can have any shape, e.g. B. lens or rectangular shape.
  • the drive-through well 15 or the drive-through area must, however, each one to the respective circular path 12 of the stripper finger 6 adapted Depth t, width d and length l so that the Scraper fingers 6 can drive them through.
  • the cylinder 2 carries - seen in the clockwise direction - on Early 19 z. B. the series 16 of drive-through wells 15 a crossing the drive-through recesses 15 Cutting knife bar 21 with a cutting edge 22. Die Cutting edge 22 protrudes a few millimeters, d. H. One to two millimeters over the circumference 14 of the cylinder 2 out.
  • a pin needle bar 23 with a series of pin needles arranged side by side 24 arranged so that there is as little as possible Distance to the cutting edge 22 results and they to each other run in parallel.
  • the pin needle bar 23 is in advantageously with the cutting knife bar 22 combined. That is, both strips 21; 23 are in one piece trained (Fig. 8).
  • Both strips 21; 23 are on cylinder 2 so attached that the extensions of their vertical axes 26; 27 the circumference 14 of the cylinder 2 as a parallel Cut secants (Fig. 2).
  • the puncture needle bar 23 is comb-shaped and has a clear distance d over its entire length spaced tines 28. They are used for Overlay of trim strips 84; 86. Gaps 29 between the tines 28 each hold one Puncture needle 24 and for contactless driving through each a scraper finger 6. Each puncture needle 24 has below its tip 31 one or more conical "barbs" 32. The puncture needles 24 are by means of a thread on their foot 33 in a Threaded hole screwed into the base 34 of the gap 29. The tip 31 of each puncture needle 24 projects around one Amount f, e.g. B. two to four millimeters over the circumference 14 of the cylinder 2.
  • Amount f e.g. B. two to four millimeters over the circumference 14 of the cylinder 2.
  • Each puncture needle 24 is a scraper finger 6 assigned. With each revolution of the cylinder 2 to its Longitudinal axis of rotation 36 describe the tips 31 of the Puncture needles 24 each have a circular path 37 with a Radius r2 (Fig. 8), so that a total of a lateral surface 45 arises.
  • a connecting line 64 through the origins 11; 36 of the Circles 12; 37 with the radii r1; r2 has one Distance c of the origins 11; 36 on.
  • the location of the circles 12; 37 to each other is determined as follows: r2 + r1> c>
  • An arrangement of the circles 12; 37 according to this relationship shows that the two circles 12; 37 have the intersections A and B.
  • Intersection A is the point at which the two circles 12; 37 at Cut convergence.
  • Intersection B is the point in which the two circles 12; 37 at Cut apart.
  • FIGS. 3 and 4 are instead of the first variant of the Cutting knife cylinder 2 provided rows 16; 17; 18th of drive-through wells 15 with several rings 40 intermediate ring grooves 41 of a depth t arranged.
  • the rings 40 and the ring grooves 41 run coaxial to the longitudinal axis of rotation 36 of the Cutting knife cylinder 2 with an outer radius r3 or a radius r.
  • the rings 40 have a width b1 and are arranged at a clear distance d from each other.
  • a cutting knife and already described above Pinpoint needle bar 21; 23 is in the same version and Function and position attached to the cutting knife cylinder 2.
  • a third embodiment variant (Fig. 5) of the Cutting knife cylinder 2 protrudes the cutting knife and Pinpoint needle bar 21; 23 by the amount "t" over the Cylinder jacket 43 with the radius r out.
  • the Cutting knife and puncture needle bar 21; 23 is the same designed as in the second embodiment. All other functions are as described above.
  • the counter-cutting knife cylinder 3 carries on its circumference counter-cutting blades 44; 46 which in counter-cutter knife holders 47; 48 are held. In cooperation with the Counter-cutting knife 44; 46 each with the cutting edge 22 of the cutting knife bar 21 is a so-called "Paper cut” generated.
  • the counter-cutting knife cylinder 3 is designed as a combined cylinder. Except the Counter-cutting blades 44; 46 are also known cam levers 52; 53 intended.
  • the number of jaws 52; 53 and counter-cutting knife 44; 46 are the same; e.g. B. five each.
  • the control device 54 consists of side by side with a clear distance g arranged guide rods 56.
  • the clear distance g between the guide rods 56 is dimensioned so that the wiper fingers 6 between them without contact drive through.
  • the guide rods 56 are 57 with their first straight end attached to a bracket 58 fixed to the side frame.
  • the Bracket 58 is, for. B. from each other screwable clamping pieces 59; 61, each spaced apart on a side frame fixed Traverse 62 can be clamped.
  • Each upper clamp 59 carries z. B. a first straight end 57 of a guide rod 57.
  • the straight end 57 subsequently merges into one approximately semicircular convex curvature 63.
  • the guide rods 56 drive around so curved at a distance r4 minus the thickness of the guide rods 56, the shaft 4.
  • the convex curvature 63 of the guide rods 56 goes in a concave curvature 66 over. Drive around so curved Guide rods 56 below the cutting knife cylinder 2 in one short distance and end shortly before Counter-cutting knife cylinder 3.
  • the convex curvature 63 has an outer radius r4, which is its Circle center 67 at a distance e to Longitudinal axis of rotation 11 on an extension of Has connecting line 64.
  • the axially aligned Projections of circular path 12 and concave curvature 66 intersect at a lower intersection 68.
  • the ends 9 of the wiper fingers 6 move from Intersection 68 in the gaps 55 between the guide rods 56 and leave it again at intersection 71.
  • the ends 9 thereby cover a cross-sectional area each between guide rod 56 and circular path 12, which the Has the shape of a crescent moon broken off at the bottom.
  • the stripping device 1 and the Cutting knife cylinders 2 are surrounded by a housing 72 enclosed, which consists of an upper housing part 73 and a lower housing part 74 with the associated Side parts exist (Fig. 1 and 2).
  • the upper Housing part 73 begins with a left straight part 76, which is above the convex curvature 63 of the guide rods 56 runs at a distance x.
  • the straight part 76 closes a right semicircular one not perforated part 77, which above and in runs a small distance from the circumference 14 of the cylinder 2 and in the immediate vicinity of the Counter-cutting knife cylinder 3 ends.
  • the lower unperforated housing part 74 extends from a straight left end 78 over a convex, at least semicircular curvature 79 to a right one End 81.
  • the right end 81 is near the Cylinder 2 releasably attached to the guide rods 56.
  • the upper housing part 73 is rare with its two connected to the lower housing part 74.
  • the lower Housing part 74 is 78 at its straight left end together with the first ends 57 of the guide rods 56 on the Bracket 58 attached.
  • the left straight part 76 as well the left end 78 form together with the side parts a shaft 80.
  • the shaft 80 is for suction the trim strip 84; 86 to one Disposal facility at the outlet of a Suction fan not shown connected.
  • the device according to the invention works as follows: The Counter cutting cylinder 3 transported z. B. in Counterclockwise rotation in its jaws 52; 53 folded signatures 82; 84, the two of them superimposed ends 88 - the z. B. Have puncture needles - be cut off should (Fig. 1). That about the counter cutting knife 46 protruding ones with the puncture needle punctures End 88 of the signature 83 is in cooperation with the Cutting knife bar 21 cut off and practical at the same time as trim strips 84 on the Puncture needles 24 of the production speed rotating cylinder 2 needled.
  • Each fork-like end 9 of the stripper fingers 6 engages the pin 24 assigned to it without contact.
  • the closest approximation is the Scraper ends 9 reached the puncture needles 24.
  • the Wiper finger ends 9 push the trimming strip 84 subsequently from the puncture needles 24 in the direction their tip 31 down (see dashed line in Figs. 2 and 7). With further movement leave the Scraper finger ends 9 at intersection B the segment 92.
  • the trim strip 86 during the Overtaking pushed down by the needle 24.
  • the trim strip 84 is by the Wiper finger ends 9 along the guide device 54 transported towards waste disposal facility 80.
  • the trim strip 84 is also by means of Suction air sucked in.
  • the stripping device a can have different peripheral speed.
  • the Circumferential speed of the stripping device 1 can e.g. B. 2.5 times the peripheral speed of the Cylinder 2 amount.
  • the Shaft 4 one at 180 ° to the first wiper finger 6 offset additional wiper fingers arranged his. There must always be a synchronization between the Ends 9 of the scraper fingers 6 and the puncture needles 24 at the time of pushing down the Trim strips 84; 86 be given.
  • Both the cylinder 2 and the scraper can from known gears from Counter-cutting knife cylinder 3 are driven.
  • the Scraper device 1 and the cylinder 2; 3 are rotatably mounted in side frames, not shown.
  • the stripping device 1 can also in each case the vicinity of the needle 24, z. B. at foot 33 the same, clocked in the longitudinal direction thereof Blow air nozzles can be arranged. So that can Trim strips 84; 86 from the pin needles 24 be pushed down.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP19960113357 1995-08-31 1996-08-21 Vorrichtung zum Entfernen von auf Punkturnadeln befindlichen Beschnittstreifen Expired - Lifetime EP0760349B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19532027 1995-08-31
DE1995132027 DE19532027A1 (de) 1995-08-31 1995-08-31 Verfahren und Vorrichtung zum Entfernen von auf Punkturnadeln befindlichen Beschnittstreifen

Publications (3)

Publication Number Publication Date
EP0760349A2 EP0760349A2 (de) 1997-03-05
EP0760349A3 EP0760349A3 (de) 1997-11-19
EP0760349B1 true EP0760349B1 (de) 2001-12-12

Family

ID=7770834

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19960113357 Expired - Lifetime EP0760349B1 (de) 1995-08-31 1996-08-21 Vorrichtung zum Entfernen von auf Punkturnadeln befindlichen Beschnittstreifen

Country Status (4)

Country Link
US (1) US5816125A (ja)
EP (1) EP0760349B1 (ja)
JP (1) JP2798658B2 (ja)
DE (2) DE19532027A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10260554A1 (de) * 2002-12-21 2004-07-01 A. Monforts Textilmaschinen Gmbh & Co.Kg Kantenschneider
CN118514386B (zh) * 2024-07-19 2024-09-27 晋江市现代彩色印刷有限公司 纸箱生产的环保型印刷机

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE931968C (de) 1953-10-02 1955-08-22 Brown Ag Schutzeinrichtung fuer periodisch bewegte Kontakteinrichtungen gegen Stoerungen durch UEber- oder Rueckstrom mit Hilfe eines Kurzschliessers
US3893359A (en) * 1974-05-22 1975-07-08 Clyde G Gregoire Scrap stripper for printer
US4113243A (en) * 1977-08-08 1978-09-12 Gregg Engineering Corp. Combination web tucker and knife with web grippers and anvil
DE2834396A1 (de) * 1978-08-05 1980-02-14 Demag Ag Mannesmann Schmiedekran-wendevorrichtung fuer schwere schmiedestuecke
DE2931968B1 (de) * 1979-08-07 1981-07-16 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Falzapparat an Rollen-Rotationsdruckmaschinen
US4305716A (en) * 1980-02-26 1981-12-15 Cincinnati Rotary Press Company Rotary die cutting machine having integral scrap stripper
DE3030705A1 (de) * 1980-08-14 1982-02-18 Albert-Frankenthal Ag, 6710 Frankenthal Vorrichtung zur herstellung von zumindest einmal quergefalzten, parallel zum querfalz beschnittenen produkten
JPS62179262U (ja) * 1986-05-06 1987-11-13
DE4023257C2 (de) * 1990-07-21 1993-12-02 Heidelberger Druckmasch Ag Querschneider für mit Druckbildern versehene Materialbahnen
DE4229699C2 (de) * 1992-09-05 1995-09-21 Heidelberger Druckmasch Ag Vorrichtung zur kontrollierten Beseitigung von Abfall-Stücken von Bedruckstoffen
JP3182529B2 (ja) * 1992-09-14 2001-07-03 株式会社鷺宮製作所 吐出過熱度制御装置

Also Published As

Publication number Publication date
US5816125A (en) 1998-10-06
EP0760349A3 (de) 1997-11-19
JPH09132353A (ja) 1997-05-20
JP2798658B2 (ja) 1998-09-17
DE59608416D1 (de) 2002-01-24
DE19532027A1 (de) 1997-03-06
EP0760349A2 (de) 1997-03-05

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