EP0931010A2 - Pince de serrage pour convoyeur sans fin - Google Patents

Pince de serrage pour convoyeur sans fin

Info

Publication number
EP0931010A2
EP0931010A2 EP97910255A EP97910255A EP0931010A2 EP 0931010 A2 EP0931010 A2 EP 0931010A2 EP 97910255 A EP97910255 A EP 97910255A EP 97910255 A EP97910255 A EP 97910255A EP 0931010 A2 EP0931010 A2 EP 0931010A2
Authority
EP
European Patent Office
Prior art keywords
clamping
jaw
force
clamping jaw
lever
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.)
Granted
Application number
EP97910255A
Other languages
German (de)
English (en)
Other versions
EP0931010B1 (fr
Inventor
Holger Ratz
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 EP0931010A2 publication Critical patent/EP0931010A2/fr
Application granted granted Critical
Publication of EP0931010B1 publication Critical patent/EP0931010B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/04—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
    • B65H29/045—Details of grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/50—Machine elements
    • B65H2402/54—Springs, e.g. helical or leaf springs

Definitions

  • the invention relates to a clamp for an end los f örde re r according to the preamble of claims 1 and 4.
  • EP 03 86 442 A2 discloses a generic clamping pliers for end-to-end conveying, in which a first fixed jaw is arranged from an open position against the first jaw and is pivotally mounted second jaw.
  • the pivotable jaw is arranged on a first lever arm of a three-armed lever.
  • An actuating roller for actuating the clamping jaw in its open and closed position is mounted on a second lever arm.
  • a third lever arm is designed as part of a device for introducing a clamping force, this device overcoming a dead center when the clamping jaw is actuated.
  • the invention has for its object to provide a clamp for End los f örde re r.
  • Clamping jaw in the closed position acts on the jammed printed product.
  • the clamp is designed without a housing.
  • Each clamp has a base, which forms a stop for the products to be picked up. This stop ensures a gentle pick-up as well as an error-free delivery of the product to be transported.
  • a simple, component-conserving force curve design is achieved in that an additional in a lever carrying the jaw
  • Fig. 1 is a schematic representation of a
  • Figure 2 is a schematic representation of the side view of the clamp in the closed position.
  • Fig. 3 is a representation analogous to FIG. 2, but with a variant of the actuating lever.
  • a pair of pliers 1 for an end downstream of a rotary printing press, for example, for. B. chain conveyor consists essentially of a fixed to a chain link 2 of a traction means of the chain conveyor by means of a carrier 3 fixed first jaw 4 and a cooperating with the first jaw 4 second jaw 6.
  • the chain link 2 has at least on both ends a roller 5, which runs in a chain guide, not shown.
  • the carrier 3 of the first jaw 4 is z. B. L-shaped.
  • a short leg 7 of the carrier 3 runs at right angles to a longitudinal axis 9 of the chain link 2 and is connected to the chain link 2.
  • a long leg 8 of the carrier 3 is arranged parallel to the longitudinal axis 9 of the chain link 2.
  • An outer end 11 of the long leg 8 is V-shaped and connected to the first jaw 4.
  • a jaw base 10 formed in this way has a radius r10.
  • the radius r10 is larger than a radius of a front edge 12 of a good transported by means of the clamp 1, e.g. B. a printed product 13 (Fig. 2).
  • the carrier 3 has a bore 14 running at right angles to the longitudinal axis 9 of the chain link 2.
  • this bore 14 is a pivot axis 16 of a lever
  • the lever 17 has a first lever arm
  • the first lever arm 18 is provided at its extended, free end with a roller 19 for actuating the lever 17.
  • the second lever arm 22 has at its end a bearing pin 23, which serves as a force application point 24 for one end of a tension spring 26 designed as a force-feeding device.
  • the tension spring 26 has at its other end an abutment 27 which is operatively connected to a bearing pin 28 located at the end 11 of the long leg 8.
  • the carrier 3, which is L-shaped in cross section extends in a direction parallel to the pivot axis 16.
  • the carrier 3 has at least the width of a chain link 2.
  • the first jaw 4 located on the carrier 3 is wider, e.g. B. twice as wide as the inertia r 3.
  • the lever 17 can be arranged on the pivot axis 16 on both sides of the carrier 3 and connected by means of the second clamping jaw 6.
  • two tension springs 26 are also used and each of the two first lever arms 18 carries a roller 19.
  • the second clamping jaw 6 can be provided with a radius at its end acting against the inside of the first clamping jaw 4. This avoids undesired embossing on the printed product 13.
  • a distance a1 between the end of the jaw 6, i. H. the contact zone of the printed product 13, and the pivot axis 16 of the clamping jaw 6 is preferably somewhat larger than the shortest distance between the pivot axis 16 and the inside of the clamping jaw 4.
  • the clamping jaw 6 is placed against the printed product 13 in such a way that the printed product 13 is clamped between the two clamping jaws 4, 6.
  • Self-locking acts on the printed product 13 in the closed position.
  • This includes a straight line 33 defined by the end of the clamping jaw 6 (ie the contact zone formed by the printed product 13 and the clamping jaw 6) and the pivot axis 16 of the clamping jaw 6 and one in one Contact zone of the printed product 13 and the clamping jaw 4 created tangent 34 an opening angle alpha.
  • this opening angle alpha is referred to below as the opening angle enclosed by the two clamping jaws 4, 6.
  • This opening angle alpha which is necessary for self-locking pointing away from the clamping jaw base 10, depends on the coefficient of friction between the clamping jaws 4, 6 and the printed product 13 and is greater than 45 °, preferably greater than 60 °, and less than 90 °. Thus, a printed product 13 held between the end of the second jaw 6 and the inside of the first jaw 4 cannot be pulled out.
  • the function of the clamp 1 is as follows:
  • the clamping tongs 1 arranged on a chain link 2 of the chain conveyor are initially in an open position A (FIG. 1).
  • a loading station e.g. B. a paddle wheel of a folder
  • a printed product 13 is guided between the jaws 4, 6.
  • the bearing pin 23 describes a circular arc around the pivot axis 16 with the force application point 24.
  • the radius of the circular arc corresponds to the length of the lever arm 22.
  • the force application point 24 of the tension spring 26 passes from a stable position A below a dead center position B coming, a dead center position B. The tension spring is tensioned.
  • the dead center position B is represented by a straight line 29 which connects the force application point 24 of the tension spring 26, the pivot axis 16 of the lever 17 and the abutment 27 of the tension spring 26. After passing this dead center position B, the tension spring 26 contracts again. The free end of the second jaw 6 lies against the printed product 13 in the closed position C (FIG. 2).
  • the stable positions in the open and closed position A, C of the second clamping jaw 6 are achieved in that a distance between the force application point 24 and the abutment 27 of the tension spring 26 in the open and closed position A, C is smaller than the length of the dead point st rec ke , d. H. of this distance in dead center position B.
  • the clamping jaw 6 is thus held in the open and closed position and finally by the power supply rather 26, d. H. without permanent influences e.g. B. a curve control.
  • the thickness of the printed product 13 can lie between 0.1 mm and several millimeters.
  • a further roller 31 is assigned to the first lever arm 18 of a lever 32.
  • This roller 31 is arranged between the first roller 19 and the jaw 6.
  • the arrangement of a roller 31 which is additional to the roller 19 is advantageous in that the switching of the second clamping jaw 6 into the end position A, C can be carried out via different rollers 19, 31.
  • lever 17, 31 having two lever arms
  • only a single lever arm can also be provided.
  • the adjustable clamping jaw 6 is then attached to this single lever arm and the actuating forces for the movement of the clamping jaw 6 into its open and closed positions as well as the clamping forces are introduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Discharge By Other Means (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Chain Conveyers (AREA)
  • Specific Conveyance Elements (AREA)

Abstract

L'invention vise à mettre au point une pince de serrage (1) fiable pour un transporteur à chaîne. A cet effet, une mâchoire de serrage mobile (6) agissant à l'encontre d'une mâchoire de serrage fixe (4) fait partie intégrante d'un bras de levier (18) monté sur un support (3) d'un chaînon. Un levier d'actionnement (17) permet de faire pivoter la mâchoire mobile sous l'effet d'un ressort de traction (26) d'une position ouverte stable dans une position fermée stable en passant par l'intermédiaire d'une position de point mort. A cet égard, en position fermée de la pince de serrage, un effet autobloquant intervient au niveau du produit d'impression à transporter.
EP97910255A 1996-10-12 1997-10-04 Pince de serrage pour convoyeur sans fin Expired - Lifetime EP0931010B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19642117 1996-10-12
DE19642117A DE19642117A1 (de) 1996-10-12 1996-10-12 Klemmzange für Endlosförderer
PCT/DE1997/002280 WO1998016453A2 (fr) 1996-10-12 1997-10-04 Pince de serrage pour convoyeur sans fin

Publications (2)

Publication Number Publication Date
EP0931010A2 true EP0931010A2 (fr) 1999-07-28
EP0931010B1 EP0931010B1 (fr) 2001-06-13

Family

ID=7808559

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97910255A Expired - Lifetime EP0931010B1 (fr) 1996-10-12 1997-10-04 Pince de serrage pour convoyeur sans fin

Country Status (6)

Country Link
US (1) US6237751B1 (fr)
EP (1) EP0931010B1 (fr)
JP (1) JP2000503960A (fr)
DE (2) DE19642117A1 (fr)
ES (1) ES2158514T3 (fr)
WO (1) WO1998016453A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6227588B1 (en) * 1999-02-17 2001-05-08 Heidelberger Druckmaschinen Aktiengesellschaft Gripper assembly
TWI275484B (en) * 2004-10-15 2007-03-11 Bobst Sa Method and station for unblanked sheet delivery in a machine processing plate elements
EP2840049B1 (fr) * 2013-08-20 2017-05-10 Harro Höfliger Verpackungsmaschinen GmbH Dispositif de transport d'un prospectus
CN109279268A (zh) * 2018-12-05 2019-01-29 大连英蕴科技有限公司 一种船舶内垂直升降机及方法
CN110171193B (zh) * 2019-06-24 2020-12-01 浙江欧利特科技股份有限公司 一种定位微调装置

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB589389A (en) 1944-06-29 1947-06-19 Frank Romeo Belluche Sheet delivery mechanism for printing presses and kindred machines
US3055480A (en) * 1959-07-22 1962-09-25 Hyman Barry Conveyor system
JPS5018513B1 (fr) * 1970-12-10 1975-06-30
US3703954A (en) * 1971-03-16 1972-11-28 Artos Engineering Co Conveyor system for wire like articles
US3904027A (en) * 1974-01-02 1975-09-09 John R Gilles Document distribution system
US3960264A (en) * 1975-01-28 1976-06-01 Burroughs Corporation Item transport apparatus
US4108300A (en) * 1977-08-10 1978-08-22 Mitsubishi Jukogyo Kabushiki Kaisha Bag packing apparatus
US4167996A (en) * 1978-03-27 1979-09-18 General Motors Corporation Suspension type clamping transport hook
DE3107458A1 (de) * 1981-02-27 1982-09-16 Rahdener Maschinenfabrik August Kolbus Gmbh & Co Kg, 4993 Rahden Buchblockzange fuer transportsystem
US4536921A (en) * 1981-10-30 1985-08-27 Geroh Gmbh, Mechanische Systeme Cable clamp
DE3516853A1 (de) * 1984-04-11 1985-11-21 Dainippon Screen Manufacturing Co., Ltd., Kyoto Substrat-foerderapparat
US4550905A (en) * 1984-06-27 1985-11-05 The United States Of America As Represented By The Secretary Of Agriculture Hide transfer apparatus
CH667238A5 (de) * 1985-04-18 1988-09-30 Grapha Holding Ag Klebebindemaschine.
US4598492A (en) * 1985-09-30 1986-07-08 Thomas Gore Fish gaff
US4638906A (en) * 1985-11-19 1987-01-27 Harris Graphics Corporation Conveyor assembly
US4681213A (en) * 1985-10-23 1987-07-21 Harris Graphics Corporation Gripper assembly
US4746007A (en) * 1986-02-20 1988-05-24 Quipp Incorporated Single gripper conveyor system
US4721296A (en) * 1986-05-27 1988-01-26 Harris Graphics Corporation Sheet material handling apparatus
JPS63141743A (ja) * 1986-12-04 1988-06-14 Komori Printing Mach Co Ltd 枚葉印刷機の間紙挿入排紙装置
DE3861306D1 (de) * 1987-07-21 1991-01-31 Ferag Ag Transporteur fuer flaechige erzeugnisse, insbesondere druckprodukte.
SE463095B (sv) * 1988-01-28 1990-10-08 Wamac Ab Gripareanordning
US4915283A (en) * 1988-10-06 1990-04-10 Curwood, Inc. Clamping arrangement for gripping and carrying web material
CH677652A5 (fr) 1989-03-07 1991-06-14 Grapha Holding Ag
US4968081A (en) * 1989-03-13 1990-11-06 Hall Processing Systems Non-contact actuator
US5178262A (en) 1989-11-08 1993-01-12 Grapha-Holding Ag Sheet transporting tongs for use in chain conveyors and the like
DE4042375C2 (de) * 1990-05-09 1995-10-19 Kannegiesser H Gmbh Co Klemmhalter zum Fixieren eines zu einer Mangel oder dergleichen zu transportierenden Wäschestücks
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DE9107342U1 (fr) 1991-06-14 1991-10-24 Anderson, Bruce Keane, 7400 Tuebingen, De
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SE469890B (sv) * 1992-03-16 1993-10-04 Wamag Idab Ab Griparetransportör med permanent förspänd gripare
SE469889B (sv) * 1992-03-16 1993-10-04 Wamag Idab Ab Griparetransportör med permanent förspänd klämback
JP2727281B2 (ja) * 1992-09-28 1998-03-11 株式会社東京機械製作所 折機デリバリー装置
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See references of WO9816453A2 *

Also Published As

Publication number Publication date
ES2158514T3 (es) 2001-09-01
WO1998016453A2 (fr) 1998-04-23
WO1998016453A3 (fr) 1998-09-03
US6237751B1 (en) 2001-05-29
EP0931010B1 (fr) 2001-06-13
DE19642117A1 (de) 1998-04-16
DE59703822D1 (de) 2001-07-26
JP2000503960A (ja) 2000-04-04

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