EP0437233A2 - Dispositif pour enduire de colle des matériaux plats - Google Patents

Dispositif pour enduire de colle des matériaux plats Download PDF

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Publication number
EP0437233A2
EP0437233A2 EP91100170A EP91100170A EP0437233A2 EP 0437233 A2 EP0437233 A2 EP 0437233A2 EP 91100170 A EP91100170 A EP 91100170A EP 91100170 A EP91100170 A EP 91100170A EP 0437233 A2 EP0437233 A2 EP 0437233A2
Authority
EP
European Patent Office
Prior art keywords
sheet
application roller
roller
adhesive
feed
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.)
Withdrawn
Application number
EP91100170A
Other languages
German (de)
English (en)
Other versions
EP0437233A3 (en
Inventor
Wolfgang Voges
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.)
CLAUS KOENIG KG
Original Assignee
CLAUS KOENIG 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 CLAUS KOENIG KG filed Critical CLAUS KOENIG KG
Publication of EP0437233A2 publication Critical patent/EP0437233A2/fr
Publication of EP0437233A3 publication Critical patent/EP0437233A3/de
Withdrawn legal-status Critical Current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
    • B05C1/02—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 separate articles
    • B05C1/025—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 separate articles to flat rectangular articles, e.g. flat sheets
    • 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

Definitions

  • the invention relates to an adhesive coating device for coating sheet material in the form of sheets or sheets according to the preamble of claim 1.
  • Such a device is known from DE-PS 19 60 842.
  • an adhesive trough with an application roller which picks up liquid adhesive from the adhesive trough.
  • Applicator roller and glue tray are housed in a housing which has an opening on the top for feeding the sheets to be coated.
  • the sheets introduced into the device in this way are guided essentially vertically to the side of the application roller and coated by the latter.
  • the coated sheets are then stripped again in an approximately vertical direction by scrapers and deflected approximately in a horizontal direction via a curved guide plate, the coated sheets sliding with their uncoated side over the guide plate.
  • the coated sheets are then caught by the operator, each sheet being carried by hand from below, that is to say on its uncoated side.
  • the known device requires the special attention of the operator, who has to catch a fed sheet by hand after it has passed, in order to avoid that the sheet falls down and thereby comes into contact with other objects with its coated side.
  • the use of the guide plate can lead to complications insofar as adhesive that passes over a coated sheet can contaminate the guide plate, which thereby loses its guiding function due to the adhesive effect.
  • the device must therefore be constantly monitored to ensure that no adhesive adheres to the guide plate, otherwise it would tend to become blocked.
  • the invention has for its object to provide an adhesive application device that facilitates operation with extensive automation of its functional sequence and in which the risk of contamination is largely eliminated.
  • each coated sheet is deflected without touching mechanical means, whereby the orientation of the air flow on the uncoated side of the respective sheet essentially assumes the horizontal position with its coated side upwards, in which it then passes through the Air flow is placed on a storage table arranged below the application roller.
  • the sheet can then remain in place until the operator takes the sheet out, and the depositing of the sheet on the deposit table can serve to dry the applied adhesive if necessary.
  • the feed is expediently designed from two feed rollers biased against one another, the outlet of which is directed towards the upper region of the application roller in such a way that the end face of a sheet with its side to be coated strikes the surface of the application roller at an angle of less than 90 °.
  • the feed of a sheet to be coated is given a defined feed rate given by the feed rollers and a favorable orientation relative to the application roller, which ensures a uniform coating.
  • the feed roller arranged on the side of the storage table is assigned a deflection roller which deflects the respective sheet with the feed roller in such a way that the feed of Sheets and their removal from the table on the same side of the adhesive coating device. Leaves are fed in and removed from one side.
  • the peripheral speed of the application roller is expediently chosen to be lower than the feed speed of the feed rollers, as a result of which, due to the resulting relative speed between a sheet fed and the surface of the application roller, the adhesive coating becomes more uniform.
  • a stage running transversely to the air flow is expediently arranged in the air flow direction behind the blower and before the front face of a sheet is immersed in the air flow Sheet at the tray table following the step. This vortex of air presses the respective sheet against the storage table so that it lies smoothly on the storage table and cannot be lifted off the air flow again.
  • the blower is expediently provided with a heater, in particular when using an adhesive to be dried after coating.
  • the air flow heated by this heater then ensures rapid drying of the adhesive applied to a deposited sheet.
  • the adhesive coating device according to the invention described above is particularly suitable for processing water-soluble adhesive, compared to adhesive dissolved in volatile solvents, much more Time to dry. This drying can take place here under the effect of the air flow on the deposit table, where the air flow constantly sweeps over a deposited, coated sheet and this can remain there until its adhesive has dried or until the sheet in question is needed for further processing.
  • the figure shows the adhesive coating device in section. It consists of the housing 1 that is composed of the vertical walls 2 and 3, the horizontal cover plate 4 connecting them and the bottom 5 together.
  • the partition 6 is also provided in the housing 1.
  • the feet 7 and 8 are screwed onto the base 5.
  • the adhesive trough 9 is fixed, which contains the adhesive 10 in liquid form.
  • the application roller 11 is mounted between the side walls mentioned, which is driven in a known and interesting manner by a motor in this context. As can be seen, the application roller 11 extends into the adhesive 10 and takes adhesive 10 with it on its surface as it rotates. This is a known function of conventional adhesive application devices.
  • the doctor blade 12, which is designed as a round rod, is arranged and mounted in the strut 13, which likewise extends from the above-mentioned side walls into the device and is attached to the side walls.
  • the doctor blade 12 maintains a certain distance from the surface of the application roller 11, which determines the height of the adhesive carried along by the application roller 11 on its surface. If necessary, the doctor blade 12 can be arranged to be adjustable. This is also a known measure.
  • the two feed rollers 14 and 15 are arranged, which are driven at the same speed (see direction of the arrows), by means of a gear coupled to the drive for the application roller 11, that here for reasons of simplification of the illustration not is drawn. It is about also a measure that is customary for adhesive application devices.
  • a sheet to be coated here the partially inserted sheet 16
  • the sheet 16 is fed onto the application roller 11 in such a way that it strikes laterally offset to the left with respect to the center 17 of the application roller 11 on its surface.
  • the transfer of the adhesive transported by the application roller 11 to the relevant side of the sheet 16 then takes place in this area.
  • the application roller 11 rotates at a slightly higher surface speed than the feed speed of the sheet 16, which is determined by the rotation of the two feed rollers 14 and 15.
  • the application roller 11 slides with its surface past the sheet 16, which results in a spreading action of the application roller 11 with respect to the sheet 16.
  • the result is an equalization of the adhesive application on the relevant side of the sheet 16. This also makes it possible to compensate for any unevenness in a sheet being fed.
  • the wipers 18 rest against the application roller 11, of which several are provided over the length of the application roller 11, for example one wiper each to about 2 cm.
  • the wipers 18 consist of spring wire and resiliently rest against the surface of the application roller 11 under slight pressure. They cause the end face of the sheet 16 to be lifted when it is transported through the device. It is a known arrangement and function of such wipers 18.
  • the wipers 18 guide the sheet 16 obliquely, but essentially due to gravity in the vertical direction from the applicator roller 11 web. Sheet 16 then hangs due to gravity in the position shown in the figure without it being able to touch any components of the device after leaving the wipers 18.
  • the wipers 18 are individually screwed onto the bracket 19 in the adhesive trough 9.
  • the blower 20 is attached, that air is sucked in from the side and pushes through the outlet 21.
  • the fan 20 is fastened on the support piece 22 arranged above the base 5.
  • the electrically operated heater 23 is accommodated, which can optionally be screwed in to give the air stream 24 emerging from the outlet 21 a certain temperature.
  • the face 16 of the sheet 16 has reached the air flow 24, which deflects the sheet 16 and finally brings it into the position 26 shown in broken lines.
  • the air flow 24 is directed to the uncoated side of the sheet 16 that this uncoated side is deposited on the storage table 27 with this deflection.
  • the coated side 28 of the sheet 16 does not come into contact with any component of the device, the side 28, after the sheet 16 has been deposited on the deposit table 27, is overflowed by the air stream 24 as the layer 26, the air being on the free one Adhesive side layer 26 is subjected to a drying process.
  • the air flow 24 is passed through the step 29, which closes the support piece 22 in the direction of the storage table 27.
  • This stage 29 causes in the air flow 24 a vortex directed towards the storage table 27, which ensures that the layer 26 bears against the storage table 27 without fluttering.
  • the storage table 27 is designed to be extendable and is mounted on the rollers 30 opposite the floor 5 for this purpose. This serves to accommodate sheets of 16 different lengths.
  • the deflection of the air flow 24 also intensifies the drying of the adhesive applied to the layer 26, since the air flow 24 is held in the region of the layer 26 by the curvature 31.
  • the curvature 31 can also be used to serve as a stop for a sheet 16 to be placed on the storage table 27.
  • the layer 26 can finally be removed from the side of the arch 31 from the housing 1 as a sheet coated with adhesive.
  • the deflection roller 32 is provided, which here lies under the action of gravity on the feed roller 15, which is arranged on the side of the deposit table 27.
  • the deflection roller 32 is therefore entrained by the sheet 16 when it is fed and, together with the feed roller 15, causes the sheet 16 fed via the feed table 33 to be deflected.
  • the sheet 16 can thus be easily inserted horizontally via the feed table 33 into the housing 1, specifically as can be seen, from the same side of the housing 1 as when removing a finished coated layer 26, the sheet 16 being passed through the deflecting roller 32 into the gap between the two feed rollers 14 and 15, from where it then in the manner described above Applicator roller 11 is supplied.
  • the adhesive coating device thus enables simple loading and operation, since the operator only has to work on one side of the device.

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  • Coating Apparatus (AREA)
EP19910100170 1990-01-08 1991-01-07 Device for glueing together flat materials Withdrawn EP0437233A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4000350 1990-01-08
DE19904000350 DE4000350A1 (de) 1990-01-08 1990-01-08 Klebstoffbeschichtungsgeraet zur beschichtung von flaechigem material

Publications (2)

Publication Number Publication Date
EP0437233A2 true EP0437233A2 (fr) 1991-07-17
EP0437233A3 EP0437233A3 (en) 1991-12-04

Family

ID=6397739

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910100170 Withdrawn EP0437233A3 (en) 1990-01-08 1991-01-07 Device for glueing together flat materials

Country Status (2)

Country Link
EP (1) EP0437233A3 (fr)
DE (1) DE4000350A1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1248455B (de) * 1963-08-24 1967-08-24 Vits G M B H Maschf Querschneider
CH648772A5 (de) * 1980-12-11 1985-04-15 Steinemann Ulrich Ag Maschine zum einseitigen beschichten duenner bogen, insbesondere papierbogen.

Also Published As

Publication number Publication date
DE4000350A1 (de) 1991-07-11
EP0437233A3 (en) 1991-12-04

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