EP0676303B1 - Vorrichtung zum Abpressen von Buchblocks - Google Patents

Vorrichtung zum Abpressen von Buchblocks Download PDF

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Publication number
EP0676303B1
EP0676303B1 EP95101536A EP95101536A EP0676303B1 EP 0676303 B1 EP0676303 B1 EP 0676303B1 EP 95101536 A EP95101536 A EP 95101536A EP 95101536 A EP95101536 A EP 95101536A EP 0676303 B1 EP0676303 B1 EP 0676303B1
Authority
EP
European Patent Office
Prior art keywords
pressing beam
book block
pressing
load
movement
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
EP95101536A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0676303A1 (de
Inventor
Kurt Begemann
Horst Rathert
Manfred Albrecht
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.)
Kolbus GmbH and Co KG
Original Assignee
Kolbus GmbH and Co KG
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 Kolbus GmbH and Co KG filed Critical Kolbus GmbH and Co KG
Publication of EP0676303A1 publication Critical patent/EP0676303A1/de
Application granted granted Critical
Publication of EP0676303B1 publication Critical patent/EP0676303B1/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
    • B42C—BOOKBINDING
    • B42C5/00—Preparing the edges or backs of leaves or signatures for binding
    • B42C5/02—Preparing the edges or backs of leaves or signatures for binding by rounding or backing

Definitions

  • the invention relates to a device for the mechanical pressing of clamped, rounded book blocks by means of a concave active surface having a press beam which acts on the back of the book block with a pressing force, a bearing with a supporting part accommodating the press beam being used, which alternately via drive means on an arch path one and the other side of the book block spine is pivotable for folding the printed sheets in the side areas of the book block spine.
  • the pressing operation gives the rounded book block the desired back shape which corresponds to the type of cover, which is determined by a fold provided in the area of the book block near the back, which can be designed either as a deep or as an oblique fold.
  • book rounding and pressing machines are used in industrial book production, in which the pressing process following the book spine rounding process is carried out by a shaped piece which moves back and forth over the entire width of the back, whereby the folded printed sheets are applied by the pressure and friction
  • the middle of the spine of the book block must be folded over on both sides, at an angle that increases towards the outside. This gives the book block its mushroom-like back shape as well as its back stabilization.
  • a book rounding and pressing machine with a piece which acts on the back of the book block and moves back and forth is shown and described, for example, in DE-OS 15 36 507.
  • the traditional round shape of the spine has a multitude of radii.
  • this desired back shape shaped pieces adapted to the respective back radius must be used during the pressing process.
  • An adaptation of the fittings to the respective back radius can only be made possible to a limited extent due to the large number of different radii with regard to storage and in particular the high changeover times. If there is a greater deviation between the shaped piece with its concave active surface and the back radius, there is a low bending stiffness in the case of printed sheets and in the case of book blocks which are not glued behind, i.e. H.
  • the object of the invention is to provide a device of the generic type for machine pressing of rounded book blocks, with which a quality improvement can be achieved.
  • the pressing device is formed by two arms of a bearing 3 which are arranged at a distance from one another and on which, as can be seen from FIGS. 1 and 2, freely rotatable rollers 4a are mounted which have a path of movement 4 for the arms of the bearing 3 connecting bridge 5 result.
  • the bridge 5 has arch paths 5a corresponding to the movement path 4 and carries a so-called press beam 6 with a concave active surface 6a which is approximately matched to the back shape of a book block.
  • the bridge 5 with the press beam 6 is alternately pivoted from the main drive via an articulated drive rod 7 on the movement path 4 from the center of the book block back to one and the other side of the book block back.
  • the pivot point of the press beam 6 is in its point of contact with the back of the book block.
  • the press bar 6 acts for upsetting the printed sheets in the area of the middle of the book block via drive means, not shown, under a defined pressing force on the rounded book block back 1, which is held by jaws 8 in its area near the back.
  • a tangential sliding movement superimposed on the pivoting movement on the printed sheets is generated by the bearing executing a defined laterally controlling movement.
  • a coupling rod 9 acts on the bearing 3, which moves the bearing 3 alternately according to the direction of the arrow to the right and left sides by the dimension x or x 'by a rotatingly driven control cam 10 via a pivotably mounted drive arm 11 with control roller 12.
  • the sliding path x or x takes into account the lengthening of the spine of the book block during the pressing process.
  • the protrusion of the press bar 6 with respect to the book block 1 remains constant, there is no relative movement between the book block 1 and the press bar 6.
  • the sliding movement superimposed on the pivoting movement can be changed by changing the position of the articulation point of the coupling rod 9 in the drive arm 11 by means of adjusting elements in the form of an elongated hole 13, a sliding block 14 and a clamping screw 15 according to the desired book block back shape depending on the book block thickness, the shape of the press beam effective surface 6a and the position of the press beam pivot.
  • the return stroke of the press beam 6 takes place on the same movement path, but advantageously the press beam 6 executes a slight vertical movement for the return stroke movement, which goes back to zero up to the middle position.
  • the pivot point "M" of the press beam is adjusted somewhat above the spine of the book block.
  • the size of the sliding stroke "Z” can be determined by the lever 16, the lever arm length of which can be changed by moving the articulation point via adjusting means 16a, 17a.
  • the return stroke of the press beam 6 again takes place along the same movement path, advantageously after a slight vertical movement has been carried out.
  • the bearing point 18 can also make a release movement on the return stroke up to the middle position.
  • the bearing 3 with the bridge 5 carrying the press beam 6 is alternately guided in an arcuate manner by the bearing 3 carrying rollers 21 lying on an arcuate track, which do not have one in track segments 22 shown support frame are guided.
  • a radial adjustment of the track segments 22 and rollers 21 is required.
  • the press bar 6 is moved freely tangentially via the drive rod 7 and a press force is generated on the back of the book block via drive means (not shown).
  • the radius of the web segments 22 and the radius of the press beam effective surface 6a are located on the same center point below the pivot point of the press beam 6, which is approximately on the point of contact between the book block spine and the press beam.
  • a third embodiment variant shows a construction shown in FIGS. 9 and 10, in which the bearing 3 with the bridge 5 and the press beam 6 can be moved in height between fixed lateral guides 27 and the press beam 6 via a drive force (not shown) under a defined pressing force on the rounded book block 1 , which is held by jaws 8 in the back area is, acts.
  • the fulcrum of the press beam 6 is located at a defined distance below its point of contact with the back of the book block 1, since there is no lateral evasion of the bearing.
  • the press beam 6 is mounted concentrically and freely tangentially on rollers 30 in an intermediate carrier 28 of the supporting part 5 and is brought into contact with side stops 32 of the intermediate carrier 28 during the pivoting movement.
  • Compression springs 31 are provided for centering the pressure beam 6 in the intermediate carrier 28, by means of which the pressure beam 6 is supported laterally on the intermediate carrier 28.
  • the pressure beam 6 moves tangentially, with the stop screws 32 in the intermediate carrier 28 limiting the displacement and thus initiating the sliding movement for folding the printed sheets in the side areas of the book block spine.
  • the size of the displacement stroke can be adjusted by changing the distance between the pivot point of the press beam 6 and the back of the book block and via the stop screws 32.
  • the pressing unit is supported laterally against the action of plate spring assemblies 35 during the pressing process, as a result of which a pressing force for folding over the printing sheet of the book block 1 is applied in the side areas of the spine.
  • the fulcrum of the press beam 6 is at its point of contact with the spine of the book block.
  • the press beam 6 it is proposed to cancel the effect of the plate spring assembly 35 during the return stroke of the press beam 6 to the center of the book block, in order to prevent entrainment of the outer printed sheets folded over to the sides.
  • the movement of the press beam 6 can also be controlled in such a way that it is released during its return stroke from the back of the book block by an upward movement.
  • tappets 36 controlled via cam disks 37 are provided which act alternately on the bearing 3 and transfer the plate spring assemblies 35 from a support position for applying a pressing force into a relief position.
  • the plate spring assembly 35 is supported on the one hand on a stop collar 38 of the plunger 36 and on the other hand on a sliding sleeve 39 guided on the plunger 36 with a control roller 40 which is operatively connected to the rotatingly driven cam disk 37.
  • Ram 36 and sliding sleeve 39 are slidably guided in bearings 41 and 42.
  • the press beam 6 is in a lowered position to the side of a rounded book block 1 held between the clamping jaws 8 before the start of the press beam movement.
  • the tappets 36 on both sides are held in contact with the bearing 3.
  • FIG. 12 shows the press beam 6 after a sideways movement and thus after the pressing process has been carried out, the bearing 3 being supported laterally against the action of the plate spring assembly 35 by means of the tappet control and thus by means of the spring element a pressing force for folding the printing sheets of the book block 1 in the side areas of the back is applied.
  • working cylinders 43 are used instead of the tappet control and plate spring assemblies, by means of which the bearing 3 can be controlled alternately from a support position to a relief position.
  • the active surface can also be convex or straight.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP95101536A 1994-03-18 1995-02-06 Vorrichtung zum Abpressen von Buchblocks Expired - Lifetime EP0676303B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4409319A DE4409319A1 (de) 1994-03-18 1994-03-18 Vorrichtung zum Abpressen von Buchblocks
DE4409319 1994-03-18

Publications (2)

Publication Number Publication Date
EP0676303A1 EP0676303A1 (de) 1995-10-11
EP0676303B1 true EP0676303B1 (de) 1997-04-02

Family

ID=6513190

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95101536A Expired - Lifetime EP0676303B1 (de) 1994-03-18 1995-02-06 Vorrichtung zum Abpressen von Buchblocks

Country Status (3)

Country Link
US (1) US5556244A (vi)
EP (1) EP0676303B1 (vi)
DE (2) DE4409319A1 (vi)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19903162A1 (de) * 1999-01-27 2000-08-03 Kolbus Gmbh & Co Kg Abpreßmaschine zum Abpressen von Buchblocks
DE102006023285A1 (de) * 2006-05-18 2007-11-22 Kolbus Gmbh & Co. Kg Vorrichtung zum Abpressen von Buchblocks
EP2465695A1 (de) 2010-12-15 2012-06-20 Müller Martini Holding AG Verfahren und Vorrichtung zum Abpressen eines Buchblocks
DE102012006653A1 (de) 2011-04-27 2012-10-31 Müller Martini Holding AG Verfahren und Vorrichtung zum Abpressen eines Buchblocks

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19859331A1 (de) * 1998-12-22 2000-07-06 Kolbus Gmbh & Co Kg Vorrichtung zum Abpressen von Buchblocks
DE19907682A1 (de) * 1999-02-23 2000-08-24 Horst Rathert Verfahren und Vorrichtung zum Runden und Abpressen von Buchrücken insbesondere für Kleinauflagen
ES2170669B1 (es) * 2000-06-15 2003-12-16 Venegas Salvador Romero Procedimiento para la encuadernacion de las hojas de un album o libro.
DE10205677A1 (de) * 2002-02-12 2003-08-14 Kolbus Gmbh & Co Kg Vorrichtung zum kontinuierlichen Abpressen von Buchblockrücken
DE10260476A1 (de) * 2002-12-21 2004-07-01 Kolbus Gmbh & Co. Kg Vorrichtung zum Abpressen von Buchblocks
BE1026865B1 (nl) * 2018-12-12 2020-07-16 Peleman Industries Nv Plooitoestel om twee evenwijdige vouwen aan te brengen in een blad papier of dergelijke
CN114801541A (zh) * 2022-05-06 2022-07-29 东莞市浩信精密机械有限公司 一种对书芯脊部进行整圆加工的弧形倒圆机构

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3199129A (en) * 1964-05-11 1965-08-10 Tw & Cb Sheridan Co Machine and method for backing books
US3413669A (en) * 1967-02-01 1968-12-03 Smyth Mfg Co Mechanism for conveying unbound books intermittently through a rounding and backing machine
SU827324A1 (ru) * 1979-05-10 1981-05-07 Омский политехнический институт Устройство дл кашировани корешковКНижНыХ блОКОВ
DE8128207U1 (de) * 1981-09-26 1982-02-11 Rahdener Maschinenfabrik August Kolbus Gmbh & Co Kg, 4993 Rahden Buchblockrunde- und abpressmaschine
DE3614168C2 (de) * 1986-04-26 1994-06-30 Kolbus Gmbh & Co Kg Einrichtung zur Höheneinstellung des Formklotzes in einer Buchblockrunde- und Abpreßmaschine
DE4005949A1 (de) * 1990-02-26 1991-08-29 Kolbus Gmbh & Co Kg Verfahren zum maschinellen abpressen von buchblocks und vorrichtung zur durchfuehrung des verfahrens

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19903162A1 (de) * 1999-01-27 2000-08-03 Kolbus Gmbh & Co Kg Abpreßmaschine zum Abpressen von Buchblocks
DE19903162B4 (de) * 1999-01-27 2008-04-17 Kolbus Gmbh & Co. Kg Abpreßmaschine zum Abpressen von Buchblocks
DE102006023285A1 (de) * 2006-05-18 2007-11-22 Kolbus Gmbh & Co. Kg Vorrichtung zum Abpressen von Buchblocks
EP1872963A2 (de) 2006-05-18 2008-01-02 Kolbus GmbH & Co. KG Vorrichtung zum Abpressen von Buchblocks
DE102006023285B4 (de) * 2006-05-18 2015-02-12 Kolbus Gmbh & Co. Kg Vorrichtung zum Abpressen von Buchblocks
EP2465695A1 (de) 2010-12-15 2012-06-20 Müller Martini Holding AG Verfahren und Vorrichtung zum Abpressen eines Buchblocks
DE102012006653A1 (de) 2011-04-27 2012-10-31 Müller Martini Holding AG Verfahren und Vorrichtung zum Abpressen eines Buchblocks

Also Published As

Publication number Publication date
EP0676303A1 (de) 1995-10-11
US5556244A (en) 1996-09-17
DE59500160D1 (de) 1997-05-07
DE4409319A1 (de) 1995-09-21

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