EP0154812B1 - Stapelanschläge am Bogenanleger von Druckmaschinen - Google Patents

Stapelanschläge am Bogenanleger von Druckmaschinen Download PDF

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Publication number
EP0154812B1
EP0154812B1 EP85101389A EP85101389A EP0154812B1 EP 0154812 B1 EP0154812 B1 EP 0154812B1 EP 85101389 A EP85101389 A EP 85101389A EP 85101389 A EP85101389 A EP 85101389A EP 0154812 B1 EP0154812 B1 EP 0154812B1
Authority
EP
European Patent Office
Prior art keywords
stack
sheet
stop
stops
stack stop
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
Application number
EP85101389A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0154812A2 (de
EP0154812A3 (en
Inventor
Bernhard Maul
Günter Zobl
Hans-Jürgen Kusch
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Priority to AT85101389T priority Critical patent/ATE37849T1/de
Publication of EP0154812A2 publication Critical patent/EP0154812A2/de
Publication of EP0154812A3 publication Critical patent/EP0154812A3/de
Application granted granted Critical
Publication of EP0154812B1 publication Critical patent/EP0154812B1/de
Expired 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
    • B65H3/00—Separating articles from piles
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/0816—Suction grippers separating from the top of pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/34—Article-retaining devices controlling the release of the articles to the separators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/48—Air blast acting on edges of, or under, articles

Definitions

  • the invention relates to a stack stop on the sheet feeder of printing machines according to the preamble of claim 1.
  • a stack stop is provided on the front side of the paper stack facing the working machine, with which the uppermost layers of the sheet stack in particular are aligned.
  • the uppermost paper sheet is removed from the stacking system with a swiveling suction system and fed to a pair of transport rollers, which transport the sheet at a constant peripheral speed, which is greater than the peripheral speed of the printing cylinder, to the paper stop in the printing cylinder.
  • the paper stop can be provided in the gripper system of the printing cylinder. If the sheet lies against it with a slight bulge and is held securely by the grippers, the transport rollers stop the sheet from being transported. To do this, they are separated from each other, controlled by a cam.
  • the object of the invention is to be able to change the path between the stack stop of the paper stack and the stop in the impression cylinder gripper so that the transport path and thus the bag of the sheet can be optimally adjusted for each paper quality and thickness.
  • the position of the stacking stop being able to be changed by simply actuating the pivoting lever in such a way that the sheet is fed optimally against the sheet stops of the gripper and thus with minimal noise safe gripping of the sheet is guaranteed by the gripper.
  • Another advantage is that by swiveling the stack stop different paper thicknesses and slip effects in the means of transport can be compensated.
  • FIG. 1 a part of a known offset printing unit is shown with a printing cylinder 1 and a rubber cylinder 2, which cooperates with a plate cylinder, not shown, which in turn is assigned a ink dampening unit in a known manner.
  • the printing cylinder 1 is provided with grippers 3 for transporting the sheets, which have sheet stops 4.
  • the pair of transport rollers 5 transports the supplied sheets 6 up to said sheet stop 4 at a somewhat higher speed than the peripheral speed of the printing cylinder 1. After the sheet has bulged slightly and is securely held by the grippers 3, the pair of transport rollers 5 is lifted apart a control device, not shown.
  • the sheets of paper to be fed are removed from the sheet stack 8 with a swiveling suction system 7 and fed to the pair of transport rollers 5.
  • a stack stop 9 against which the sheets lie is sufficient to align them in the running direction.
  • the upper edge of the sheet stack 8 is always held at approximately the same height by the stack lifting device, not shown.
  • the stacking stops 9 are supported on both sides via pivot pins 10 in pivot bearings 11, which in turn are fastened to a frame cross member 12.
  • the frame cross member 12 is provided between the two side frames 13 and screwed to them.
  • a pivot lever 14 is fastened to the side of the sheet stack 8 the rear end of which extends and is guided via a brake bolt 15 in an elongated hole 16 of a circuit board 17 fastened to the side frame 13.
  • the stack stop 9 can thus be pivoted in the paper running direction towards the stack, so that the path between the paper leading edge in the system on the stack stop 9 and the sheet stop 4 in the printing cylinder 1 can be changed continuously, which leads to different paper bulges.
  • the inclined position of the stack stop 9 in the direction of the sheet stack 8 ensures that the paper sheets are always pressed against the stack stop when the table is climbed.
  • the stack stop 9 is designed as a hollow body and has blow openings 18 in the region of the top edge of the stack, which are connected via a feed line 19 to a compressed air supply, not shown.
  • the blowing openings 18 on the stack stop 9 serve to fan out the paper sheets in the contact position in order to facilitate the lifting of the top sheet in each case when it is fed into the machine.
  • Stops 20 are provided for laterally aligning the sheet stack.
  • FIG. 2 shows a plan view, in particular of the stack stop 9 with the pivot lever 14, the side stops 20 for the sheet stack 8 not being shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Pile Receivers (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Coating Apparatus (AREA)
EP85101389A 1984-03-01 1985-02-09 Stapelanschläge am Bogenanleger von Druckmaschinen Expired EP0154812B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85101389T ATE37849T1 (de) 1984-03-01 1985-02-09 Stapelanschlaege am bogenanleger von druckmaschinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8406329U 1984-03-01
DE19848406329U DE8406329U1 (de) 1984-03-01 1984-03-01 Stapelanschlaege am bogenanleger von druckmaschinen

Publications (3)

Publication Number Publication Date
EP0154812A2 EP0154812A2 (de) 1985-09-18
EP0154812A3 EP0154812A3 (en) 1987-05-06
EP0154812B1 true EP0154812B1 (de) 1988-10-12

Family

ID=6764226

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85101389A Expired EP0154812B1 (de) 1984-03-01 1985-02-09 Stapelanschläge am Bogenanleger von Druckmaschinen

Country Status (8)

Country Link
US (1) US4690394A (enrdf_load_stackoverflow)
EP (1) EP0154812B1 (enrdf_load_stackoverflow)
JP (1) JPS60157742U (enrdf_load_stackoverflow)
AT (1) ATE37849T1 (enrdf_load_stackoverflow)
AU (1) AU568182B2 (enrdf_load_stackoverflow)
CA (1) CA1265826A (enrdf_load_stackoverflow)
DE (2) DE8406329U1 (enrdf_load_stackoverflow)
ES (1) ES284163Y (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3706058A1 (de) * 1987-02-25 1988-09-08 Heidelberger Druckmasch Ag Anleger fuer eine druckmaschine
US5210616A (en) * 1989-06-30 1993-05-11 Canon Kabushiki Kaisha Sheet carrier apparatus and a picture image recording apparatus
US5246220A (en) * 1990-12-14 1993-09-21 Fuji Photo Film Co., Ltd. Sheet feeding device
US5178377A (en) * 1991-04-25 1993-01-12 Minnesota Mining And Manufacturing Company Adhesion breaker for sheet stacks
DE4314971A1 (de) * 1993-05-06 1994-11-10 Heidelberger Druckmasch Ag Bogenanleger einer Druckmaschine
AUPR292501A0 (en) * 2001-02-07 2001-03-01 Silverbrook Research Pty. Ltd. A method and apparatus (ART100)
AUPR315301A0 (en) * 2001-02-19 2001-03-15 Silverbrook Research Pty. Ltd. An Apparatus (ART102)
CN111606104B (zh) * 2020-05-20 2021-07-20 常州都铂高分子有限公司 一种压敏胶生产用收卷装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1898535A (en) * 1929-03-09 1933-02-21 Haupt Arno Method of and means for feeding paper sheets
DE634287C (de) * 1934-06-16 1936-08-22 Paul Stadie Vorrichtung zum Bilden einer fortschreitenden Bahn von sich schuppenartig ueberdeckenden Bogen
GB465866A (en) * 1935-11-30 1937-05-18 Georg Spiess Improvements in and relating to the separating of sheets from a pile and the feeding thereof to working machines
FR1246077A (fr) * 1959-01-27 1960-11-10 Miller Printing Machinery Co Margeur pour presses d'imprimerie
GB1206717A (en) * 1967-02-16 1970-09-30 Ricoh Kk Improvements in sheet feeding apparatus
DE2643388C3 (de) * 1976-09-27 1979-03-15 Hoechst Ag, 6000 Frankfurt Vorrichtung zum Vereinzeln von Blättern eines Stapels

Also Published As

Publication number Publication date
ES284163U (es) 1985-06-01
EP0154812A2 (de) 1985-09-18
JPH0245233Y2 (enrdf_load_stackoverflow) 1990-11-30
AU3796285A (en) 1985-09-05
AU568182B2 (en) 1987-12-17
DE8406329U1 (de) 1984-05-30
DE3565509D1 (en) 1988-11-17
JPS60157742U (ja) 1985-10-21
ES284163Y (es) 1986-01-16
CA1265826A (en) 1990-02-13
US4690394A (en) 1987-09-01
EP0154812A3 (en) 1987-05-06
ATE37849T1 (de) 1988-10-15

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