EP0736331A2 - Dispositif de réglage de la pression exercée sur le rouleau enducteur d'une machine d'enduction - Google Patents

Dispositif de réglage de la pression exercée sur le rouleau enducteur d'une machine d'enduction Download PDF

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Publication number
EP0736331A2
EP0736331A2 EP96105165A EP96105165A EP0736331A2 EP 0736331 A2 EP0736331 A2 EP 0736331A2 EP 96105165 A EP96105165 A EP 96105165A EP 96105165 A EP96105165 A EP 96105165A EP 0736331 A2 EP0736331 A2 EP 0736331A2
Authority
EP
European Patent Office
Prior art keywords
cylinder
coating
painting
roller
adjusting device
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
EP96105165A
Other languages
German (de)
English (en)
Other versions
EP0736331B1 (fr
EP0736331A3 (fr
Inventor
Udo Dipl.-Ing. Mailänder
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.)
LTG Lufttechnische GmbH
Original Assignee
LTG Lufttechnische GmbH
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
Priority claimed from DE19515824A external-priority patent/DE19515824C1/de
Application filed by LTG Lufttechnische GmbH filed Critical LTG Lufttechnische GmbH
Publication of EP0736331A2 publication Critical patent/EP0736331A2/fr
Publication of EP0736331A3 publication Critical patent/EP0736331A3/fr
Application granted granted Critical
Publication of EP0736331B1 publication Critical patent/EP0736331B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
    • B05C1/0834—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets the coating roller co-operating with other rollers, e.g. dosing, transfer rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
    • B05C1/083—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets being passed between the coating roller and one or more backing rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface

Definitions

  • the invention relates to an adjusting device for pressing pressures exerted on the painting cylinder of a painting machine, in which the workpieces are moved between a painting cylinder with a jacket made of rubber or another elastic material and a hard impression cylinder, a first adjusting device for the pressing between the painting cylinder and the Counter-pressure cylinder is provided and a second adjusting device for pressing between the coating cylinder and a coating feed roller of a coating unit is provided.
  • Such machines are used, for example, in the manufacture of beverage cans, glass lids or crown caps, where the printing is preceded by an internal coating and an external coating and a protective coating follows.
  • There are special requirements for the paint provided so that it does not burst during later punching and deep drawing.
  • previous painting machines poured paint over the workpieces
  • modern painting machines aim to use paint as economically as possible.
  • painting cylinders with precisely positioned cutouts are often used for recess painting.
  • painting cylinders for full painting have the advantage that they can be reground many times and used for a correspondingly longer time.
  • the change in the peripheral speed of the coating cylinder caused by the reduction in diameter must then be compensated for.
  • a setting device of the type mentioned is already known from the market through its own manufacture.
  • the painting cylinder for full painting is driven by a compressed air-operated slip clutch, which enables sensitive regulation of the peripheral speed during the run.
  • This regulation requires operator participation.
  • An electrical control device is installed for the recess painting, which monitors the rigidly coupled cylinder setting. Including uncoupling for setup purposes, a total of three operating states can be set with a switch lever.
  • the setting of the coating cylinder and the coating feed roller, the switching on and off of all the rollers, their parallel position and the metering of the coating application are summarized centrally on the operating side of the machine, spindles provided with a handwheel being used.
  • the coating cylinder and the coating feed roller can be fixed to the machine frame without play. However, this does not preclude locally uneven contact pressures, including possible operating errors, across the surface line of the painting cylinder with the high level of safety that has now been desired.
  • the invention is based on the object of reliably avoiding irregularities in the pressing pressures exerted on the coating cylinder by simple means in a diameter range of the coating cylinder in the case of an adjusting device of the type mentioned at the outset in order to achieve an extremely thin and thus particularly economical coating application, which in addition to changing swelling allows frequent regrinding of the coating cylinder in the jacket of the coating cylinder.
  • the two end bearings of the painting cylinder or the impression cylinder are each arranged in a pivotally mounted on the machine frame side part, for pivoting each side part, a motor spindle articulated with one end to the machine frame and with its other end to the side part , the two end bearing supports of the paint feed roller can be pivoted by means of a motor spindle articulated on the machine frame or lower side part and on the other end on the bearing support, and the axial pressures applied to the four motor spindles can be detected by a pressure sensor and can be set to a preselectable constant value by a pressure regulator connected to the pressure sensor.
  • the manual operation on the coating machine for setting the two pressings is therefore reduced to the paired preselection of a setpoint.
  • the actual setting is then carried out fully automatically and at a higher speed. Any trend towards a deviating actual value is counteracted immediately during operation.
  • the motor spindles of each pair of motor spindles provided on the two machine sides are independent of one another, this ensures that the contact pressure is the same on both sides.
  • the motor spindles allow a very sensitive pressure setting and preclude ringing compared to a hydraulic or pneumatic drive. In addition to a gain in quality and safety, there is a reduction in operating effort and a space saving due to the elimination of spindles provided with a handwheel.
  • the pivoting position of the coating cylinder or the impression cylinder or the coating feed roller for detecting the stochastic actual diameter of the coating cylinder and thus for adjusting a circumferential speed of the coating cylinder conforming to the impression cylinder can be utilized, whereby the pair of motor spindles in question can have an additional function receives.
  • the pair of sub-side parts 10 differ primarily in their shape and in the location of their pivot bearing 12 located on the machine frame 11. Between the motor spindle 13 engaging the sub-side part 10 and the pivot bearing 12, with its end bearing, either the counter-pressure cylinder 14 or the painting cylinder 15 arranged.
  • the pivot bearing 16 of each of the two end bearing supports 17 of the paint supply roller 18 is located either on the stationary machine frame 11 or on the lower part part 10 which in turn can be pivoted and the hard counter-pressure cylinder 14 and the two motor spindles 21 are also a special component of the adjusting device 22 for the pressing between the coating cylinder 15 and the coating feed roller 18 of the coating unit 23.
  • the entire coating unit 23 is attached to the two pivotable bearing supports 17 of the coating feed roller 18, which, in addition to the coating unit 23, also simplifies the setting device for the pressing pressures exerted on the coating cylinder 15 of the coating machine and simplifies maintenance of the coating machine.
  • a Particularly compact and reliable design of the coating unit 23 results from the fact that the coating supply roller 18 and a further coating roller 24 pressed against it are used in the coating unit 23 to limit a coating reservoir 25. They are preferably driven in the opposite direction of rotation and in the region of the reservoir 25 in the downward direction.
  • a paint scraper 26 directed with its squeegee blade against the paint supply roller 18 and a paint scraper 27 directed with its squeegee blade against the paint roller 24 are immersed in the horizontal orientation.
  • a common holding device is provided in such a way that they can be pivoted away from the lacquer feed roller 18 and the lacquer roller 24 by means of a swivel arm 28 and can be swiveled back and down, and the swivel arms 28 on one to the lacquer supply roller 18 and the further coating roller 24 axially parallel shaft 30 are mounted for longitudinal displacement.
  • the two pivotable bearing supports 17 of the paint supply roller 18 and the two motor spindles 21 articulated on the machine frame 11 or side part 10 and on the other side on the bearing support 17 are except for the pressure between the painting cylinder 15 and the paint feed roller 18 are set up to expose the painting cylinder 15.
  • the motor spindles 21 have an increased adjustment stroke
  • the bearing supports 17 have a more elongated shape
  • the pivot bearings 16 have a greater distance from the common contact zone of the coating cylinder 15 and the coating feed roller 18.
  • the axial pressures applied to the two motor spindles 13 can be detected by a pressure sensor 31 each and can be adjusted to a preselectable constant value by a pressure regulator 32 connected to the pressure sensor 31.
  • a pressure sensor 31 each and can be adjusted to a preselectable constant value by a pressure regulator 32 connected to the pressure sensor 31.
  • the actual setting of the pressure between the painting cylinder 15 and the impression cylinder 14 takes place fully automatically and takes into account changing swelling in the jacket 20 of the painting cylinder 15 and regrinding of the painting cylinder 15.
  • the same applies to the setting of the pressure between the coating cylinder 15 and the coating feed roller 18, after the axial pressures present on the other two motor spindles 21 can be detected by a pressure sensor 33 and can be adjusted to a preselectable constant value by a pressure regulator 34 connected to the pressure sensor 33 .
  • the two motor spindles 13 or the two motor spindles 21 have an additional function. Even with a particularly large diameter range of the coating cylinder 15, which, in addition to changing swelling in the casing 20, permits frequent regrinding, the speed adjustment is thus extremely precise and requires little effort.
  • the displacement sensor 35 contains an electrical control resistor of a potentiometer 39 coupled in its rotational movement to the pivoting movement of the side part 10. This results in an additional function for the motor spindle 13 in question and also for the side part 10 it detects and becomes the additional constructional effort for the provision of the speed control was kept extremely small. Characterized in that the pressure sensor 31 assigned to the sub-side part 10 is limited to the central region of the workpieces to the pressure regulator 32, the accuracy of the speed adjustment is further increased.
  • the painting machine described With its input-side transport belts 37 and its output-side delivery belts 38, the painting machine described is adapted to the special area of application of one-sided painting of sheet-like sheet metal. However, within the scope of the invention, it can be used quite generally for painting panel-to-sheet workpieces, in particular also those made of cardboard or paper. The improvements in the recess painting are of greater importance, for example, if precise free spaces for adhesive are provided on folding box blanks in the painting.

Landscapes

  • Coating Apparatus (AREA)
EP96105165A 1995-04-07 1996-03-30 Dispositif de réglage de la pression exercée sur le rouleau enducteur d'une machine d'enduction Expired - Lifetime EP0736331B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19513132 1995-04-07
DE19513132 1995-04-07
DE19515824 1995-04-29
DE19515824A DE19515824C1 (de) 1995-04-07 1995-04-29 Einstelleinrichtung für auf den Lackierzylinder einer Lackiermaschine ausgeübte Preßdrücke

Publications (3)

Publication Number Publication Date
EP0736331A2 true EP0736331A2 (fr) 1996-10-09
EP0736331A3 EP0736331A3 (fr) 1997-07-09
EP0736331B1 EP0736331B1 (fr) 2002-10-16

Family

ID=26014219

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96105165A Expired - Lifetime EP0736331B1 (fr) 1995-04-07 1996-03-30 Dispositif de réglage de la pression exercée sur le rouleau enducteur d'une machine d'enduction

Country Status (4)

Country Link
US (1) US5667591A (fr)
EP (1) EP0736331B1 (fr)
JP (1) JPH08323257A (fr)
ES (1) ES2182925T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103056063A (zh) * 2012-03-31 2013-04-24 上海梅山钢铁股份有限公司 一种辊涂机

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* Cited by examiner, † Cited by third party
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AU768908B2 (en) * 2000-03-06 2004-01-08 Unilever Plc Echinacea extract as anti-irritant and anti-aging booster in cosmetic compositions
AT500487B1 (de) * 2004-07-01 2006-01-15 Voest Alpine Ind Anlagen Bandbeschichtungseinrichtung
CN106362907A (zh) * 2015-11-29 2017-02-01 杭州跟策科技有限公司 压力锅盖基板涂装机
CN106334648A (zh) * 2015-11-29 2017-01-18 杭州跟策科技有限公司 木板漆层形成机
CN110538760B (zh) * 2019-08-30 2020-05-22 德州联合拓普复合材料科技有限公司 一种碳纤维预浸布生产设备及生产工艺

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3322097A (en) * 1965-12-08 1967-05-30 Livernois Engineering Co Roller coating apparatus
EP0182326A2 (fr) * 1984-11-23 1986-05-28 Albert-Frankenthal AG Dispositif d'encrage
JPS61283373A (ja) * 1985-06-06 1986-12-13 Rozai Kogyo Kaisha Ltd ロ−ル式古装機の塗膜厚制御装置
CH672082A5 (fr) * 1988-07-16 1989-10-31 Guenther Alich
JPH0466155A (ja) * 1990-07-04 1992-03-02 Sumitomo Metal Ind Ltd ロールコーティング装置
EP0480897A1 (fr) * 1990-10-12 1992-04-15 Valmet Corporation Dispositif pour le dosage d'un agent à appliquer à une base en mouvement
DE4327421A1 (de) * 1993-08-14 1995-02-16 Georgios Lukidis Vorrichtung zum Einfärben von strukturierten, flächigen Teilen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4704296A (en) * 1984-09-28 1987-11-03 Magna-Graphics Corporation Web coating method and apparatus
US4610216A (en) * 1985-04-02 1986-09-09 Gustav Paulsen Paper coloring apparatus
EP0264460B1 (fr) * 1986-10-14 1993-04-14 Komori Corporation Dispositif de vernissage pour feuilles imprimées
DE3926088C1 (de) * 1989-08-07 1990-10-31 Heidelberger Druckmasch Ag Rotationsdruckmaschine mit Einrichtung zur Zu- und Abstellung des Lackier-/Gummituchzylinders zum Druckzylinder und/oder Dosier-/Plattenzylinder
US5272975A (en) * 1990-04-25 1993-12-28 Man Roland Druckmaschinen Ag Throw-on/throw-off device for a blanket cylinder with a printing speed dependent control system for a sheet-fed offset press

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3322097A (en) * 1965-12-08 1967-05-30 Livernois Engineering Co Roller coating apparatus
EP0182326A2 (fr) * 1984-11-23 1986-05-28 Albert-Frankenthal AG Dispositif d'encrage
JPS61283373A (ja) * 1985-06-06 1986-12-13 Rozai Kogyo Kaisha Ltd ロ−ル式古装機の塗膜厚制御装置
CH672082A5 (fr) * 1988-07-16 1989-10-31 Guenther Alich
JPH0466155A (ja) * 1990-07-04 1992-03-02 Sumitomo Metal Ind Ltd ロールコーティング装置
EP0480897A1 (fr) * 1990-10-12 1992-04-15 Valmet Corporation Dispositif pour le dosage d'un agent à appliquer à une base en mouvement
DE4327421A1 (de) * 1993-08-14 1995-02-16 Georgios Lukidis Vorrichtung zum Einfärben von strukturierten, flächigen Teilen

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 011, no. 150 (C-422), 15.Mai 1987 & JP 61 283373 A (ROZAI KOGYO KK), 13.Dezember 1986, *
PATENT ABSTRACTS OF JAPAN vol. 016, no. 269 (C-0952), 17.Juni 1992 & JP 04 066155 A (SUMITOMO METAL IND LTD), 2.März 1992, *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103056063A (zh) * 2012-03-31 2013-04-24 上海梅山钢铁股份有限公司 一种辊涂机

Also Published As

Publication number Publication date
US5667591A (en) 1997-09-16
JPH08323257A (ja) 1996-12-10
ES2182925T3 (es) 2003-03-16
EP0736331B1 (fr) 2002-10-16
EP0736331A3 (fr) 1997-07-09

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