EP3456644A1 - Unité d'encollage à chaud avec système d'aspiration pour une machine d'étiquetage - Google Patents

Unité d'encollage à chaud avec système d'aspiration pour une machine d'étiquetage Download PDF

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Publication number
EP3456644A1
EP3456644A1 EP18183139.7A EP18183139A EP3456644A1 EP 3456644 A1 EP3456644 A1 EP 3456644A1 EP 18183139 A EP18183139 A EP 18183139A EP 3456644 A1 EP3456644 A1 EP 3456644A1
Authority
EP
European Patent Office
Prior art keywords
housing
glue
filter cartridge
hot glue
suction
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
EP18183139.7A
Other languages
German (de)
English (en)
Other versions
EP3456644B1 (fr
Inventor
Benjamin Aumer
Elmar Reese
Gabriel Seibold
Konrad Senn
Soeren Meissner
Christian Holzer
Bernd Schroll
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.)
Krones AG
Original Assignee
Krones 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 Krones AG filed Critical Krones AG
Publication of EP3456644A1 publication Critical patent/EP3456644A1/fr
Application granted granted Critical
Publication of EP3456644B1 publication Critical patent/EP3456644B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/20—Gluing the labels or articles
    • B65C9/22—Gluing the labels or articles by wetting, e.g. by applying liquid glue or a liquid to a dry glue coating
    • B65C9/2247—Gluing the labels or articles by wetting, e.g. by applying liquid glue or a liquid to a dry glue coating using liquid rollers or bands
    • 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
    • B05C1/0817—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 characterised by means for removing partially liquid or other fluent material from the roller, e.g. scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/20—Gluing the labels or articles
    • B65C9/22—Gluing the labels or articles by wetting, e.g. by applying liquid glue or a liquid to a dry glue coating
    • B65C9/2247—Gluing the labels or articles by wetting, e.g. by applying liquid glue or a liquid to a dry glue coating using liquid rollers or bands
    • B65C9/2256—Applying the liquid on the label
    • 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
    • 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
    • B05C1/12—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 fed round the roller
    • 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
    • B05C11/04—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 with blades
    • B05C11/048—Scrapers, i.e. metering blades having their edge oriented in the upstream direction in order to provide a reverse angle of attack
    • 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
    • B05C15/00—Enclosures for apparatus; Booths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C2009/0071—Details of glueing devices
    • B65C2009/0075—Constructional details of glueing rollers

Definitions

  • the present invention relates to a hot glue unit for a labeling machine according to the preamble of claim 1 and to a labeling machine for labeling containers according to the preamble of claim 12.
  • Hot melt plants in connection with labeling machines in the beverage processing industry are known from the prior art.
  • FIG. 1 shows the DE 20 2016 104 049 U1 a hot glue unit, which is associated with a trigger for sucking glue vapors from a glue roller.
  • the technical problem to be solved is thus to provide a hotmelt unit which enables a suction of the vapors produced during heating of the hotmelt reliably and with reduced energy requirement.
  • the hot glue unit according to the invention for a labeling machine in the beverage processing industry comprises at least one glue roller and a glue container and a housing in which the glue roller is arranged and is characterized in that the hot glue unit Includes filter unit connected to the housing with an exhaust, which can suck gases from the interior of the housing and the filter unit can supply before the gases can leave the hot glue unit.
  • the construction of the housing with the filter unit and the suction is to be understood that the air from the interior of the housing first, at least with activated suction the filter unit must pass before it can escape at all into the environment outside the housing.
  • the filter unit further comprises a filter cartridge and a collecting container, wherein the filter cartridge and the collecting container are connected to each other so that a condensate forming in the filter cartridge can drain into the collecting container.
  • the filter cartridge and the collecting container are connected to each other so that a condensate forming in the filter cartridge can drain into the collecting container.
  • the housing comprises a fresh air opening, which is arranged on a first side surface of the housing and wherein the suction device comprises a suction opening through which gases can be sucked out of the interior of the housing, wherein the suction opening at a second side surface of the housing is arranged.
  • the resulting draft from the fresh air opening to the suction detected as possible all the gases within the housing, so that an effective suction can take place.
  • the second side surface and the first side surface are opposite one another or at least separated from one another by two further side surfaces.
  • the effect of the previous embodiment can be increased even more.
  • the filter cartridge and / or the collecting container are formed quickly changeable.
  • the hot glue unit it will inevitably lead to contamination of the filter cartridge and the continuous filling of the collecting container, which makes a change required. Downtimes can be minimized by the quickly exchangeable design of these components.
  • the filter cartridge and / or the collecting container with the filter unit or more generally the hotmelt unit are connected such that no tools for releasing the connections are needed. These include, for example, click or plug connections.
  • the entire filter unit can be quickly exchanged and, in particular, disassembled from the hotmelt unit.
  • any connections of the filter unit with the housing can be designed to be detachable without tools.
  • At least the connection of a media channel leading through the filter unit to the housing or to a media channel leading out of the housing takes place automatically or automatically.
  • self-centering elements can be advantageously used so that the media channels to be connected can be connected as simply and reliably as possible.
  • the filter cartridge comprises a flow channel for the sucked from the interior of the housing gas, which is longer than the maximum extent of the filter cartridge in at least one direction.
  • the flow channel is longer than this 10 cm. Ensuring the longest possible flow channel ensures that parts of the gas mixture that pass through it condense and are reliably collected in the collecting container and can not escape into the environment.
  • the flow channel is helically wound and / or the filter unit comprises a cooling system for cooling the flow channel. Both variants ensure the most complete possible condensation in the housing forming gases.
  • the suction device comprises at least one fan arranged upstream or downstream of the filter cartridge. This fan can provide the necessary draft to ensure that the gases produced in the housing are extracted.
  • two fans are provided, one upstream and one downstream of the filter cartridge. Possibly occurring turbulences within the filter cartridge, which could prevent further flow of the gases can be compensated by the downstream fan, whereas the fan upstream of the filter cartridge can cause a reliable suction of the gases from the housing.
  • an outlet opening is arranged downstream of the filter cartridge, through which air filtered out from the filter cartridge can escape.
  • the hot glue unit comprises a glue scraper for scraping glue from the glue roller, the glue scraper being arranged inside the housing.
  • the labeling machine according to the invention for labeling containers such as bottles in the beverage processing industry is characterized in that the labeling machine for gluing the labels with hot glue comprises a hot glue unit according to one of the above embodiments.
  • hot glue is heated in a hot glue unit for a labeling and thereby emerging gases are sucked out of a housing in which a glue roller and a glue container are arranged, sucked through a suction of a filter unit and fed to the filter unit, before the gases leave the hotmelt plant.
  • a filter cartridge and a collecting container of the filter unit are connected to each other so that the forming in the filter cartridge condensate drains into the receptacle.
  • the air is sucked out of the housing from a suction opening in a second side face and fresh air enters the housing through a fresh air opening in a first side face.
  • a mist eliminator is arranged, which is connected to the collecting container.
  • condensate droplets can be separated from the gas mixture before they reach the filter cartridge, whereby clogging of the filter cartridge and thus necessary stopping the labeling can be avoided longer.
  • the gases from the housing pass through the filter cartridge along a flow channel which is helically wound, for example, or wherein Cooling system is provided which cools the flow channel, at least during the passage of gases.
  • a method of providing heated glue to a labeller by means of a hot glue unit comprising heating the glue in a glue box and transporting the heated glue to a glue roller within a housing, wherein a filter unit is provided, which extracts and filters gases from the interior of the housing by means of a suction, before these gases leave the hotmelt unit, the hotmelt unit being one according to the above embodiments.
  • a glue scraper abrades the heated glue from the glue roller and transfers the heated glue to a label, which is subsequently applied to a container to be labeled, and / or the heated glue to a container to be labeled.
  • the container to be labeled is not closed when it is labeled.
  • the filter unit may comprise a filter cartridge and a collecting container, with condensate forming in the filter cartridge discharging into the collecting container via a connection between the filter cartridge and the collecting container.
  • the gases are evacuated from the interior of the housing through an exhaust port of the exhaust disposed on a second side surface different from a first side surface in which a fresh air port is disposed through which air flows into the housing. This ensures as complete as possible a circulation of the gases within the housing, so that only small, preferably no dead zones form, from which the gases can not be sucked off.
  • the gas extracted from the interior of the housing passes through a flow channel within the filter cartridge, which is optionally cooled.
  • the most complete possible condensation of evaporated constituents of the hot glue and the associated return to a possible collecting container of the filter unit can thus be ensured.
  • the gases sucked out of the interior of the housing first pass through a droplet separator, in which condensate droplets condensed in the gases are deposited and supplied to the collecting container, and then the filter cartridge is passed.
  • the method may comprise feeding containers from a blow molding machine to a labeling machine and providing them with a hot glue-applied label or hot glue, the hot glue being provided according to the method of the invention, and then a filler and / or Wearer be supplied.
  • a container treatment plant for treating containers such as bottles in the beverage processing industry, wherein the container treatment plant in the transport direction of the container comprises a blow molding machine, a labeling machine and a filler, wherein the labeling machine is the labeling machine of the preceding embodiment.
  • Fig. 1 shows a schematic view of a hot glue unit 100 according to an embodiment of the invention.
  • the hot glue unit is provided with a housing 101.
  • a glue roller is arranged. These are not shown here, but are in Fig. 2 explained in more detail.
  • the glue roller may also be associated with a glue scraper in the housing to remove the glue from the glue roller.
  • the housing is substantially closed, except for a possible supply of fresh air.
  • a filter unit 110 is connected to the housing according to the invention.
  • This filter unit comprises an exhaust 102, with the air via a suitable suction opening (not shown here) can be sucked directly from the housing.
  • the suction 102 is connected for this purpose directly to the interior of the housing, for example via the already mentioned suction opening.
  • the housing and the suction are designed so that except for the suction 102 no gases can leave the housing.
  • the housing together with the suction can thus be considered as a substantially closed system.
  • the filter unit further comprises a filter cartridge 103 and a collecting container 104.
  • the filter cartridge is arranged with respect to a predefined by the suction flow direction of the gases from the housing downstream of the suction in such a way that extracted by means of the suction 102 from the interior of the housing gases the filter cartridge 103 are supplied.
  • the gases can then, for example, pass through a flow channel and then leave the hotmelt unit 100 via an outlet opening 105.
  • a collecting container 104 is connected. This is connected to the filter cartridge so that condensate from the flow channel of the filter cartridge or generally from a region in which gases condense in the filter cartridge is fed into the collecting container.
  • a collecting container 104 is connected to the filter cartridge so that condensate from the flow channel of the filter cartridge or generally from a region in which gases condense in the filter cartridge is fed into the collecting container.
  • small pores or other openings may be provided at suitable locations in the filter cartridge, can pass through the liquid in the collecting container 104.
  • the suction of the suction and the performance of the filter cartridge and the capacity of the collecting container 104 can be selected depending on the other system parameters, in particular depending on the total amount of heated glue (for example, a certain amount of glue per hour).
  • the suction can be designed to allow an air flow with a throughput of 10 liters / minute or 5 liters / minute but also more or less.
  • the filter cartridge must then allow a corresponding throughput and the collecting container may for example have a volume of up to 500 ml. The larger the volume of the collection container, the less often it must be emptied. Even the filter cartridge must be changed only rarely with suitable dimensioning.
  • the filter cartridge and / or the collecting container are rapidly connected to the filter unit 110, so that they with only a small temporal and little mechanical effort removed from the filter unit and can be replaced by new filter cartridges or drip tray.
  • the state of the filter unit can be monitored.
  • suitable sensors such as pressure sensors, may be connected to the filter unit which measure the differential pressure before and after the filter unit.
  • the measurement results can be displayed, for example, on a control unit (in particular display of the control unit) or otherwise processed by means of a computer or similar device for data processing.
  • Other methods for measuring certain characteristics such as inductive, optical or capacitive methods are possible here.
  • the measured values obtained are used to determine whether the filter or the filter cartridge is already clogged or blocked by condensate of the glue. If this is detected, the operator may be prompted to change or clean the filter cartridge.
  • a future state of the filter or the filter cartridge is predicted on the basis of the measured values and / or a suitable flow and condensation model for the filter cartridge for a future time and, for example, an automatic order of a new filter cartridge by the labeling or a its associated control unit, such as a computer via the Internet or another data connection.
  • maintenance intervals may be determined based on the predicted future state and communicated to an operator.
  • At least the collecting container has a discharge opening, via which condensate can be drained off at specific time intervals.
  • a control unit for example a computer
  • the collecting container must be emptied or replaced.
  • a level sensor may be provided in the collecting container. This can be formed as mechanically as possible in the form of a float.
  • Fig. 2 shows a section through the hot glue mill according to the Fig. 1 ,
  • the hot glue unit inside the housing 101 comprises a glue roller 222 from which glue can exit and can be deposited via the glue scraper 221.
  • the glue roller can be rotated.
  • the fresh air opening 223 is shown in the housing 101. This is located on a side 230 of the housing 101, for example on one side of the glue roller 222. On the side surface 231, the suction opening 224 is shown in this illustration, with the aid of which the suction can suck gases from the housing. As can be seen, fresh air openings 223 and exit openings 224 are provided on different side surfaces of the housing. The resulting flow path of the gases thus captures as far as possible all areas within the housing. Particularly advantageous may be an arrangement of the suction opening 224 on the side facing away from the glue roller side surface of the housing to the side surface in which the fresh air opening 223 is provided, be. It can also be provided several suction to "dead zones" from which gases can be sucked only a little effective, to avoid.
  • the suction can in the region of the suction opening 224 but also downstream of the suction opening 224, but at least upstream of the filter cartridge comprise a fan whose direction of rotation is aligned so that it sucks gases from the housing 101 through the suction and the filter cartridge 103 feeds.
  • the suction opening or a channel adjoining it can in this case be connected to a flow channel of the filter cartridge, so that the gases passing through the suction opening reach the filter cartridge.
  • Fig. 3 is schematically shown a section through the hot gluing unit. This section is perpendicular to the in Fig. 2 Section shown and passes through the collecting container or the filter cartridge 103 therethrough. To recognize here is the connection 353 of the suction with the filter cartridge 103 at the bottom or at least the outlet opening at the upper end of the filter cartridge opposite part to recognize. Below the filter cartridge 103, the collecting container 104 is arranged. This can be stored for example on the holder 352 shown.
  • the holder 352 can advantageously be designed as a weighing counter or comprise such that the filling level of the collecting container can be determined on the basis of a comparison of the empty weight of the collecting container with a measured weight of the collecting container. If this difference reaches a predetermined value, for example 200 g, the operator may be asked to change the collecting container.
  • the filter cartridge shown here may have a helical flow channel in the interior, which has to pass the suctioned gas from the interior of the housing 101 gas before it reaches the outlet opening 105. While passing the Flow channel 354, the gas cools and can condense, so that condensates effectively remain in the filter cartridge and can be guided into the collecting container 104.
  • a cooling system 355 is shown schematically in the region of the filter cartridge.
  • This cooling system may not only be formed as part of the filter unit 103, but may also be fully or partially integrated into the filter cartridge 103.
  • the cooling system in one embodiment, is configured to cool at least the flow channel 354, which promotes the formation of condensate.
  • This condensate usually consists of the outgassing of the hot glue, which inevitably arise during the heating of the hot glue.
  • the collecting container itself may additionally be equipped with a heating element (for example an infrared radiator or heating coil) or it may be associated with a heating element. With this heating element, the condensate located in the collecting container can be kept in the liquid state, which allows a discharge of the condensate and thus a reuse of the collecting container.
  • the cooling system and the optionally provided heating element may be connected to each other via a common heat exchanger system for the purpose of energy saving, so that the waste heat of the heating element can be used to operate the cooling system.
  • both the cooling system and the heating element can be controlled via a suitable control unit, for example the central control unit of a labeling machine in which the hot glue unit is located, so that their respective power (ie cooling power and heating power) is controlled as a function of the other system parameters.
  • a suitable control unit for example the central control unit of a labeling machine in which the hot glue unit is located, so that their respective power (ie cooling power and heating power) is controlled as a function of the other system parameters.
  • a suitable control unit for example the central control unit of a labeling machine in which the hot glue unit is located, so that their respective power (ie cooling power and heating power) is controlled as a function of the other system parameters.
  • the gas flow through the filter cartridge is comparatively low, only a small cooling capacity can be effected. If the gas flow increases, the cooling capacity can be increased appropriately.
  • the heating element can be controlled so that depending on the level of the collecting container whose heating power is increased. This ensures that the condensate in the collecting tank remains as liquid
  • a further fan 351 indicated in the Fig. 3 is also downstream of the filter cartridge but before the outlet opening 105. This can suck in the air or the gas mixture from the filter cartridge and expel through the exit port 105 so that inadvertent turbulence within the filter cartridge does not adversely affect gas flow.
  • a cooling system not shown here can be provided, which additionally cools the housing 101 and the flow channel 354 from the outlet opening 105 to the filter cartridge 103. If a droplet separator is arranged upstream of the filter cartridge, a better separation of forming condensate can already be ensured in the droplet separator by means of this additional cooling, whereby blockage of the filter cartridge can be avoided.
  • the cooling of the housing 101 and / or the flow channel 354 can be generally ensured by a double-walled construction, wherein in a space in the double-walled housing, for example via an external air supply and / or by means of an (external) air conditioner cold air can be passed, the Housing wall and (indirectly) the interior of the housing and thus cools the resulting gas when heating the glue.
  • the cold air for example, from the exhaust air of a blow molding machine, which is interconnected with the labeling machine to a container treatment plant (blocked), are obtained.
  • liquid cooling for example, using cooling water for control cabinets or similar. is conceivable here. Likewise adiabatic cooling come into consideration.
  • filter media for the filter cartridge different substances come into consideration. So cardboard filters, paper filters or filter wadding, but also glass fiber fleece, ceramic filters, sintered metal, steel wool, chemical filter materials in general, depth filter, electrostatic precipitator, water filter or mist eliminator can be used.
  • carbon filters may furthermore preferably be used.
  • the filter in particular the filter cartridge can also be connected to a cleaning system (backwash example) to prevent clogging of the filter cartridge as long as possible.
  • the backwashing can, for example, at certain time intervals or depending on the condition of the filter (closer to its determination was explained above) the filter medium or the entire filter cartridge with a suitable rinsing medium, preferably a medium in which dissolve all residues of the glue, rinse, with which residues can be removed.
  • a suitable rinsing medium preferably a medium in which dissolve all residues of the glue, rinse, with which residues can be removed.
  • the flushing medium with the possibly dissolved glue residue can be supplied to the collecting container 104. This is particularly advantageous since the remaining glue residues in the collecting container can thus be prevented from curing.
  • the filter cartridge and the collecting container are not directly connected to each other and the filter cartridge does not connect directly to the housing.
  • Fig. 4 a possible embodiment.
  • a tube 470 leads out of the housing 101.
  • the tube 470 has a U-shape with the receptacle 104 connected to the lowest point of the U-shape. This favors the draining of the condensate.
  • the tube may for example consist of a plastic or a metal and may preferably be produced by means of a 3D printing process.
  • the inner surface of the tube comprises baffles, baffles or ribs, so that the condensation of the gases is promoted by an increased surface.
  • the inner surface of the tube may be provided with a lipophobic coating.
  • the drainage of the condensate on the surface of the tube can be favored.
  • the tube may have ribs on the outer surface and / or be double-walled.
  • the cooling of the interior favors and thus condensation of the gases can be better achieved.
  • the tube can also have a further, not shown here, bypass line, which is connected to the glue container 480 and at least into a region opens into the tube, which is arranged upstream of the collecting container 104.
  • bypass line which is connected to the glue container 480 and at least into a region opens into the tube, which is arranged upstream of the collecting container 104.
  • a droplet separator (not shown here) may be provided upstream of the filter cartridge. This may for example be arranged in the "descending" branch 471 of the U-shaped tube 470 and have a connection to the collecting container 104, so that condensate collected in the droplet separator can be conducted into the collecting container.
  • the pipe and all other components of in Figure 4 described embodiment may also include all means for cooling, as already described.
  • the tube may be double-walled and within this double wall, a cooling medium may circulate to promote condensation of the gases.
  • the housing 101 is not completely “opaque". Although in principle a robust design of the housing, for example made of steel is preferred. However, to monitor the processes within the housing (in particular interaction between glue roller and glue scraper and transfer of the glue to the labels by means of the glue scraper) can be provided that the housing is at least partially transparent, in particular comprises a viewing window.
  • the viewing window can be designed to open, but this opening is preferably not possible during operation to prevent the escape of potentially hazardous gases. Therefore, the viewing window can be connected to a suitable detector, for example in the form of a magnetic switch or ultrasonic sensor, which registers the opening or attempt to open the viewing window and causes the labeling machine and the hot glue unit to be switched off.
  • the hotmelt unit according to the invention together with its filter unit is designed so that the air discharged from the filter unit into the environment at the end (ie after cleaning in the filter cartridge) has breathing air quality, preferably even clean room quality.
  • the embodiments described here can be used all in both separately executed labeling machines and also in "blocked" labeling machines.
  • the latter are operated in the context of container treatment plants together with an upstream (arranged upstream in the transport direction of the container) blow molding machine or other device for producing containers and a downstream (arranged downstream in the transport direction of the container) filler and / or capper operated.

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  • Labeling Devices (AREA)
  • Coating Apparatus (AREA)
EP18183139.7A 2017-09-07 2018-07-12 Unité d'encollage à chaud avec système d'aspiration pour une machine d'étiquetage Active EP3456644B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202017105400.4U DE202017105400U1 (de) 2017-09-07 2017-09-07 Heißleimwerk für eine Etikettiermaschine mit Absaugung

Publications (2)

Publication Number Publication Date
EP3456644A1 true EP3456644A1 (fr) 2019-03-20
EP3456644B1 EP3456644B1 (fr) 2022-11-23

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EP18183139.7A Active EP3456644B1 (fr) 2017-09-07 2018-07-12 Unité d'encollage à chaud avec système d'aspiration pour une machine d'étiquetage

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US (1) US11318492B2 (fr)
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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019203581A1 (de) * 2019-03-15 2020-09-17 Krones Ag Heißleimwerk für eine Etikettiermaschine mit Absaugung
DE102021110400A1 (de) 2021-04-23 2022-10-27 Krones Aktiengesellschaft Leimdampfabsaugvorrichtung für eine Etikettiermaschine, Heißleimwerk mit der Leimdampfabsaugvorrichtung und Heißleimverfahren
IT202100023630A1 (it) * 2021-09-14 2023-03-14 Pe Labellers Spa Macchina etichettatrice.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8902427U1 (de) * 1989-03-01 1989-04-20 Krones Ag Hermann Kronseder Maschinenfabrik, 8402 Neutraubling Beleimungsvorrichtung für Lösungsmittel
DE202016104049U1 (de) * 2016-07-25 2016-08-09 Krones Ag Abzug zum Absaugen von Leimdämpfen aus einer Leimwalze

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3897296A (en) * 1973-07-12 1975-07-29 Amchem Prod Thermal welding of plastic
US5350482A (en) * 1992-06-30 1994-09-27 Cms Gilbreth Packaging Systems Apparatus and method for applying labels onto small cylindrical articles
US5275678A (en) * 1992-07-13 1994-01-04 West Michael J Method of utilizing surface tension of water to transfer labels onto containers in automatic high-speed labeling machines
WO1999055517A1 (fr) * 1998-04-29 1999-11-04 Sancoa International Company, L.P. Etiquettes transparentes ou opaques
US8066047B2 (en) * 2006-09-06 2011-11-29 Brady Worldwide, Inc. Device for attaching a label to a substrate
DE102006051360A1 (de) * 2006-10-27 2008-05-21 Khs Ag Beleimungsvorrichtung
DE102011002590A1 (de) * 2011-01-12 2012-07-12 Krones Aktiengesellschaft Leimwerk mit abnehmbaren Leimtank und ankoppelbarer Reinigungseinheit
US20140120254A1 (en) * 2012-10-25 2014-05-01 Graco Minnesota Inc. Feed cap
US8746438B1 (en) * 2013-02-19 2014-06-10 Nulabel Technologies, Inc. Labeling apparatus using vacuum based label transport
US9470368B2 (en) * 2013-09-20 2016-10-18 Nordson Corporation Adhesive buffer unit and associated fill systems and methods for storing and moving adhesive particulate
GB2529453B (en) * 2014-08-20 2019-04-17 Datalase Ltd Label imaging and cutting
DE102015224997A1 (de) * 2015-12-11 2017-06-14 Henkel Ag & Co. Kgaa Verfahren zur Konfektionierung und Auftragung von Klebstoffen
DE202016105381U1 (de) * 2016-09-27 2018-01-02 Nordson Corporation Schmelzgerät zum Bereitstellen flüssigen Klebstoffs sowie Befüllvorrichtung
CN107116798A (zh) * 2017-07-11 2017-09-01 合肥众磊信息科技有限公司 一种焊接机
DE102017219496A1 (de) * 2017-11-02 2019-05-02 Krones Ag Leimversorgung für Etikettieraggregat mit Leimdrucker

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8902427U1 (de) * 1989-03-01 1989-04-20 Krones Ag Hermann Kronseder Maschinenfabrik, 8402 Neutraubling Beleimungsvorrichtung für Lösungsmittel
DE202016104049U1 (de) * 2016-07-25 2016-08-09 Krones Ag Abzug zum Absaugen von Leimdämpfen aus einer Leimwalze

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US11318492B2 (en) 2022-05-03
CN209241527U (zh) 2019-08-13
DE202017105400U1 (de) 2018-12-10
EP3456644B1 (fr) 2022-11-23

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