EP0697285B2 - Système de réglage de la température pour une machine à imprimer - Google Patents

Système de réglage de la température pour une machine à imprimer Download PDF

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Publication number
EP0697285B2
EP0697285B2 EP95112446A EP95112446A EP0697285B2 EP 0697285 B2 EP0697285 B2 EP 0697285B2 EP 95112446 A EP95112446 A EP 95112446A EP 95112446 A EP95112446 A EP 95112446A EP 0697285 B2 EP0697285 B2 EP 0697285B2
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EP
European Patent Office
Prior art keywords
printing press
temperature
heat exchanger
stabilizing system
printing
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
EP95112446A
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German (de)
English (en)
Other versions
EP0697285A2 (fr
EP0697285B1 (fr
EP0697285A3 (fr
Inventor
Klaus Strobl
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.)
Baldwin Grafotec GmbH
Original Assignee
Baldwin Germany GmbH
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Publication of EP0697285A2 publication Critical patent/EP0697285A2/fr
Publication of EP0697285A3 publication Critical patent/EP0697285A3/fr
Publication of EP0697285B1 publication Critical patent/EP0697285B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/22—Means for cooling or heating forme or impression cylinders

Definitions

  • the invention relates to a printing press tempering system according to the preamble of claim 1.
  • Such a printing press tempering system is known from EP 0 602 312 A1. It will be special for dampening water offset printing and the Dry offset printing used. It can be about Sheet-fed printing (printing on individual sheets of paper) or roll printing (printing on paper webs).
  • the sheetfed offset presses are essential smaller than the roll offset printing presses.
  • the printing presses stand in a pressroom and produce Heat, which they deliver to the pressroom.
  • the chiller works on the principle of alternate Compression and expansion of a refrigerant in a refrigerant circuit.
  • the refrigerant gives its Cold to the cold water or another coolant from.
  • the cold generator releases the cold water Heat in the surrounding environment.
  • the chiller is in the following cold generator called, housed in the press room, where also the printing press accommodated is, but far from the press, with it do not worry about the heat they give off heat each other.
  • Sheetfed offset printing often has many Sheetfed offset presses in a pressroom. In the role offset printing is often only one or only few printing presses in the pressroom and the cold generator is located outside the printing room.
  • the object of the invention is to be achieved an undesirable warming of the Sheet-fed offset printing machine by the heat emitted by the chiller, and an undesirable heating of the refrigerator by the heat emitted by the printing press reduce and the Temper michssystem simultaneously to train so that it is less in the pressroom Space needed and still fast and easily accessible is for maintenance or replacement a unit or to refill fountain solution or another liquid.
  • the invention provides in particular the following advantages: The chiller requires less cooling power, Space is freed up in the pressroom for other purposes, and that Temperature control system is easily accessible.
  • the DruckmaschinenTemper istssystem shown schematically in Figure 1 2 is used for temperature control of at least one printing press means of at least a printing unit 4 a after the offset printing process working sheet-fed printing press 6 for Printing on paper sheets.
  • the printing press means For example, air 8 may be that of a blower 10 driven through a first heat exchanger 12 and on the lateral surface of a cylinder to be cooled 13 of the printing machine 6 is blown.
  • a form cylinder or Plate cylinder a transfer cylinder such as a blanket cylinder, or an impression cylinder be.
  • the tempering 2 and the Printing machine 6 are in a pressroom 14, the Walls 15 and 16 has.
  • a cold generator 20 is arranged outside the pressure chamber 14 and cools Coolant of a guided through him coolant circuit 22.
  • the coolant circuit 22 extends through the one wall 15 in the pressroom 14 and has a guided through the pressroom 14 Flow branch 24 and one as well passed through the pressroom 14 return branch 26 on.
  • the flow directions in the temperature control system 2 are indicated by arrows.
  • the first Heat exchanger 12 is connected at one end to the flow branch 24 and with another end to the return branch 26 fluidly connected and is thereby flows through the cooling liquid.
  • the first Heat exchanger 12 and its associated fan 10th form one over the entire length of the to be cooled Cylinder 13 extending Blasluftkühlvoriques, as described, for example, in EP 0 602 312 A1 is known.
  • the printing unit 4 contains for example a Form cylinder or plate cylinder 28, a blanket cylinder 29 and an impression cylinder 30.
  • Ein schematically illustrated dampening unit 32 transmits Dampening water from a fountain sump 34 on the Make at the periphery of the plate cylinder 28, which may not accept printing ink.
  • a schematic illustrated inking unit 36 transfers ink from an unillustrated ink source on the Print-color-accepting areas on the circumference of the Plate cylinder 28.
  • FIG. 1 shows two device units 40 and 42, which immediately beside or under or in the printing press 6 can be placed within the Pressroom 14.
  • the first or the first unit 40 includes a second heat exchanger 44, a reservoir 46 for fountain solution 47, a pump 48 and a valve 50.
  • the second heat exchanger 44 includes a first heat exchanger strand 52, which over two pipe connections 54 and 55 of the one Device unit 40 in the flow branch 24 of the coolant circuit 22 used so interchangeable is that he of the coolant of the coolant circuit 22 is flowed through.
  • the second heat exchanger 44 also contains a second one Heat exchanger strand 58, which within the second Heat exchanger 44 with the first heat exchanger strand 52 is in heat exchange and over a Heat exchanger supply line 60, in which the first pump 48 is located, and via a heat exchanger return line 62 each with the reservoir 46 fluidly connected and with this together forms a first temperature-controlled circuit 64.
  • a supply line 66 which contains the valve 50, from which over a third pipe connection 67 of a device unit 40 leading with a in the fountain sump 34 Line section 68 is fluidly connected.
  • a drain line 70 of an overflow of the fountain bath 34 is via a fourth pipe connection 72nd the one unit unit 40 to a second return line 74 fluidly connected, which in the Reservoir 46 opens.
  • the flow cross section of the Valve 50 can be changed to more or less Dampening water in the second cycle 76 to circulate to let.
  • the reservoir 46 is designed such that he without disassembly of the first pump 48 and the second heat exchanger 44 from the one unit unit 40 taken out or can be used.
  • the other or second interchangeable device unit 42 is on, under or in the printing press 6 adjustable and formed substantially the same as the one or first device unit 40 and is therefore the same Reference numbers provided.
  • the second device unit 42 is not Fountain 47 but cooling water 87, which is passed through a color distributor roller 88, to cool her.
  • the first heat exchanger strand 52 the heat exchanger 44 in the second unit 42 is in the flow branch 24 of the coolant circuit 22 in series and downstream of the first heat exchanger string 52 of the heat exchanger 44 of the first Device unit 40 arranged such that it after the Heat exchanger 44 of the first unit unit 40 of the Coolant of the coolant circuit 22 is flowed through.
  • the cooling liquid of the Coolant circuit 22 already some heat taken up by fountain solution 47 of first unit 40, before the cooling water 87 of the second Unit 42 cools. This takes into account that the Farbverreiberwalze 88 must be warmer than that Plate cylinder 28.
  • a pump 90 Upstream of the heat exchanger 44 of the two Device units 40 and 42 is located in the flow branch 24 of the cooling liquid circuit 22 a pump 90, which the coolant through the coolant circuit 22 promotes.
  • the reservoir 46 of the two units 40 and 42 are each open at the top, so that in them Atmospheric pressure prevails.
  • the Reservoir 46 of the second device unit 42 as be formed closed container, in which the pressure generated by the pump 48 prevails. In this Trap is no supply line 66 and no valve 50 necessary, but the cooling water cycle is directly through passed the Farbverreiberwalze 88, as Fig.2 shows.
  • the two units 40 and 42 either both on the operating side 91 the printing press 6 under her stairs 92 or on the Drive side 93 of the printing press under the gallery 94 of the printing press 6 are provided, under which also one or more drive motors 96 for Drive of the plate cylinder 28, the blanket cylinder 29 and the impression cylinder 30 are located.
  • the two units of equipment 40 and 42 also to a single total unit 40/42 be summarized. Instead of two device units 40 and 42 then you have only a single device 40/42.
  • the Rooms under the stairs 92 and / or the gallery 94 of the Printing machine 6 can be clad by walls and with a door 98 or 99 as access to the units Be provided 40 and 42.
  • the device units 40 and 42 also elsewhere in or next to the press 6 are arranged. It is also possible the one device unit 40 on the one side of the machine 91 or 93 and the other device unit 42 on the other machine side 93 or 91 to arrange. Preferably However, both units are 40th and 42 arranged on the same machine side.
  • FIG. 4 shows a printing machine 6 with four printing units 4. At each printing unit 4 are the two Device units 40 and 42. To the Coolant circuit 22 of the refrigerator 20 are the device units 40 and 42 of all printing units connected in series or in parallel with regard to flow This other embodiment may have several Refrigeration generator 20 may be provided to each of the two device units 40 and 42 or more such Device units 40 and 42 to cool.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Control Of Temperature (AREA)

Claims (11)

  1. Système de maintien à température modérée pour machine à imprimer, servant à maintenir à température modérée au moins un milieu (8, 47, 87) pour machines à imprimer, utilisé sur au moins un élément imprimant (4) d'une presse offset à feuilles, qui est conçue pour imprimer des feuilles et installée dans une salle d'impression (14), système qui comprend au moins un générateur de froid (20) pour refroidir au moins un liquide de refroidissement (en 22) qui est en relation d'échange thermique, à travers au moins une surface d'échange thermique (12, 44), avec le milieu (14, 47, 87) à tempérer dans la salle d'impression (14),
    caractérisé en ce que le générateur de froid (20) est placé à l'extérieur de la salle d'impression (14) et que le liquide de refroidissement est amené à circuler, dans un circuit de liquide de refroidissement (22), à partir du générateur de froid (20) dans la salle d'impression (14), jusqu à la surface d'échange thermique (12, 44) du milieu (14, 47, 87) pour machines à imprimer, et de là, à l'extérieur de la salle d'impression (14), en retour jusqu'au générateur de froid (20).
  2. Système de maintien à température modérée pour machine à imprimer selon la revendication 1, caractérisé en ce que le liquide de refroidissement du circuit de liquide de refroidissement (22) est amené à traverser au moins un échangeur de chaleur (12, 44) dans la salle d'impression (14) et que le milieu pour machines à imprimer est un liquide (47, 87) ou de l'air (8) amené à traverser l'échangeur de chaleur (44) séparément du liquide de refroidissement et en relation d'échange thermique avec ce liquide dans l'échangeur de chaleur (44).
  3. Système de maintien à température modérée pour machine à imprimer selon une des revendications précédentes, caractérisé en ce que la machine à imprimer est une presse offset à eau de mouillage (6) et que l'un au moins (47) des milieux pour machines à imprimer est de l'eau de mouillage qui est appliquée sur un cylindre de forme ou cylindre porte-plaque (28) de la machine à imprimer afin d'y former des zones répulsives à l'égard de l'encre.
  4. Système de maintien à température modérée pour machine à imprimer selon une des revendications précédentes, caractérisé en ce que l'un au moins des milieux pour machines à imprimer est un liquide (87) de maintien à température modérée, qui est amené à un corps rotatif (88) à refroidir de la machine à imprimer (6).
  5. Système de maintien à température modérée selon une des revendications précédentes, caractérisé en ce que l'un au moins des milieux pour machines à imprimer est de l'air (8) soufflé au moyen d'un ventilateur (10) sur un corps rotatif (14) à tempérer de la machine à imprimer (6).
  6. Système de maintien à température modérée pour machine à imprimer selon une des revendications 2 à 4, caractérisé en ce que chaque milieu liquide (47, 87) pour machines à imprimer est amené à circuler dans un circuit tempéré (76) qui lui est propre, comportant au moins l'un des échangeurs de chaleur (44), un réservoir (46) pour le milieu liquide (47, 87) pour machines à imprimer et une pompe (48) pour faire circuler le milieu liquide (47, 87) dans le circuit tempéré (76) concerné, et que, de chaque circuit (76) tempéré, au moins l'échangeur de chaleur (44), le réservoir (46) et la pompe (48) sont placés directement sur ou contre, au-dessous ou à l'intérieur de la machine à imprimer (6).
  7. Système de maintien à température modérée pour machine à imprimer selon la revendication 6, caractérisé en ce que, de chaque circuit tempéré (76), au moins l'échangeur de chaleur (44), le réservoir (46) et la pompe (48) sont placés sous un passage (92, 94) de la machine à imprimer (6) pouvant être emprunté par des personnes.
  8. Système de maintien à température modérée pour machine à imprimer selon la revendication 6 ou 7, caractérisé en ce que l'un au moins des circuits tempérés (76) présente une unité d'appareil (40, 42) dans laquelle sont logés son échangeur de chaleur (44), son réservoir (46) et sa pompe (48), et que l'unité d'appareil (40, 42), est réalisée comme un appareil pouvant être adjoint, lequel peut être adjoint selon les désirs à la machine à imprimer (6).
  9. Système de maintien à température modérée pour machine à imprimer selon la revendication 6 ou 7, caractérisé en ce qu'au moins deux circuits tempérés (76) présentent collectivement une unité d'appareil (40, 42), dans laquelle sont logés au moins leurs échangeurs de chaleur (44), leurs réservoirs (46) et leurs pompes (48), et que l'unité d'appareil (40/42) est réalisée comme un appareil pouvant être adjoint, lequel peut être adjoint selon les désirs à la machine à imprimer (6).
  10. Système de maintien à température modérée pour machine à imprimer selon une des revendications 6 à 9, caractérisé en ce qu'au moins deux milieux liquides différents (47, 87) pour machines à imprimer sont prévus, dont l'un est de l'eau de mouillage (47) et l'autre est de l'eau de refroidissement (87), et que les échangeurs de chaleur (44) de ces deux milieux (47, 87) pour machines à imprimer sont branchés en série, pour l'écoulement, dans le circuit de liquide de refroidissement (22) du générateur de froid (20), l'échangeur de chaleur (44) pour l'eau de refroidissement (87) étant disposé en aval de l'échangeur de chaleur (44) pour l'eau de mouillage (47), de sorte qu'il est seulement parcouru après ce dernier par le liquide de refroidissement du circuit de liquide de refroidissement (22).
  11. Système de maintien à température modérée pour machine à imprimer selon une des revendications 8 à 10, caractérisé en ce que le réservoir (46) est une sous-unité de l'unité d'appareil (40, 42) et peut être retiré ou mis en place dans celle-ci sans que cela demande le démontage de l'échangeur de chaleur (44) ou de la pompe (48).
EP95112446A 1994-08-19 1995-08-08 Système de réglage de la température pour une machine à imprimer Expired - Lifetime EP0697285B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9413439U DE9413439U1 (de) 1994-08-19 1994-08-19 Druckmaschinen-Temperierungssystem
DE9413439U 1994-08-19

Publications (4)

Publication Number Publication Date
EP0697285A2 EP0697285A2 (fr) 1996-02-21
EP0697285A3 EP0697285A3 (fr) 1996-10-23
EP0697285B1 EP0697285B1 (fr) 1998-06-17
EP0697285B2 true EP0697285B2 (fr) 2005-02-09

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ID=6912629

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Application Number Title Priority Date Filing Date
EP95112446A Expired - Lifetime EP0697285B2 (fr) 1994-08-19 1995-08-08 Système de réglage de la température pour une machine à imprimer

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EP (1) EP0697285B2 (fr)
DE (2) DE9413439U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008009996A1 (de) 2008-02-19 2009-08-20 Baldwin Germany Gmbh Druckmaschinentemperiersystem
DE202008018546U1 (de) 2008-02-19 2015-08-03 Baldwin Germany Gmbh Druckmaschinentemperiersystem

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4426083A1 (de) * 1994-07-22 1996-01-25 Baldwin Gegenheimer Gmbh Druckmaschinen-Temperierungsvorrichtung
DE19516113A1 (de) * 1995-05-05 1996-11-07 Baldwin Gegenheimer Gmbh Druckmaschinen-Temperiervorrichtung
DE19710124B4 (de) * 1997-03-12 2006-03-16 Goss Contiweb B.V. Verfahren und Vorrichtung zur Temperierung von Kühlwalzen
DE29716582U1 (de) * 1997-09-15 1997-11-06 Technotrans GmbH, 48336 Sassenberg Temperierungsanordnung bei Druckmaschinen
DE19857108A1 (de) 1998-12-10 2000-06-15 Baldwin Grafotec Gmbh Temperiervorrichtung einer Druckmaschine
JP4995442B2 (ja) 2004-07-16 2012-08-08 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト 温度調節をする方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3726820A1 (de) † 1987-08-04 1989-03-02 Seiichi Kurosawa Thermoregler fuer einen druckformzylinder in einer offset-presse
EP0602312A1 (fr) † 1992-01-30 1994-06-22 Baldwin-Gegenheimer GmbH Système de refroidissement pour machines d'impression

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1953590C3 (de) * 1969-10-24 1983-02-10 Leo P.H. Dipl.Rer.Pol. 7000 Stuttgart Keller Verfahren zur Beeinflussung des Flachdruckvorganges und Flachdruckmaschine hierfür
CH655690B (fr) * 1982-05-19 1986-05-15
DE9017795U1 (de) * 1990-10-08 1992-03-12 MAN Roland Druckmaschinen AG, 6050 Offenbach Thermoregler für eine um einen Druckformzylinder gelegte Druckform für wasserlosen Offset-Druck

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3726820A1 (de) † 1987-08-04 1989-03-02 Seiichi Kurosawa Thermoregler fuer einen druckformzylinder in einer offset-presse
EP0602312A1 (fr) † 1992-01-30 1994-06-22 Baldwin-Gegenheimer GmbH Système de refroidissement pour machines d'impression

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008009996A1 (de) 2008-02-19 2009-08-20 Baldwin Germany Gmbh Druckmaschinentemperiersystem
DE202008018546U1 (de) 2008-02-19 2015-08-03 Baldwin Germany Gmbh Druckmaschinentemperiersystem

Also Published As

Publication number Publication date
EP0697285A2 (fr) 1996-02-21
DE59502566D1 (de) 1998-07-23
EP0697285B1 (fr) 1998-06-17
DE9413439U1 (de) 1994-11-17
EP0697285A3 (fr) 1996-10-23

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