WO2014187522A1 - Capteur de niveau sur un récipient de colle et unité d'étiquetage - Google Patents

Capteur de niveau sur un récipient de colle et unité d'étiquetage Download PDF

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Publication number
WO2014187522A1
WO2014187522A1 PCT/EP2014/001047 EP2014001047W WO2014187522A1 WO 2014187522 A1 WO2014187522 A1 WO 2014187522A1 EP 2014001047 W EP2014001047 W EP 2014001047W WO 2014187522 A1 WO2014187522 A1 WO 2014187522A1
Authority
WO
WIPO (PCT)
Prior art keywords
level sensor
glue
carrier
level
sensor
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.)
Ceased
Application number
PCT/EP2014/001047
Other languages
German (de)
English (en)
Inventor
Klaus Krämer
Lutz BECKERT
Winfried Schlüter
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.)
KHS GmbH
Original Assignee
KHS 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
Application filed by KHS GmbH filed Critical KHS GmbH
Publication of WO2014187522A1 publication Critical patent/WO2014187522A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • B65C9/40—Controls; Safety devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
    • G01F23/246—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices
    • G01F23/247—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices for discrete levels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
    • G01F23/246—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices
    • G01F23/247—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices for discrete levels
    • G01F23/248—Constructional details; Mounting of probes
    • 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

Definitions

  • the invention relates to a level sensor according to the preamble
  • Labeling known with which the glued on its back with Etikettenleim labels are applied to the respective container.
  • the label glue heated to a temperature for example, in the range between 130 ° C. and 150 ° C. is provided in an adhesive tank or glue container, the level of which must be monitored with the label glue during the labeling operation in order to be able to replace consumed label glue in good time. To monitor the level are already in glue containers of labeling
  • Sensor element with which a single level is monitored (DE 36 20 998 A1). Also known is a device or circuit arrangement for monitoring the level in a container at least partially filled with liquid (DE 31 34 912 A1), in which in turn a single level with a than
  • Sensor element serving temperature-dependent resistance is detected, which is arranged electrically in series with a further temperature-dependent resistor, the one the respective current temperature of the liquid
  • the document DE 92 08 951 U1 discloses a device for applying adhesive with a heatable storage slot for the adhesive. In this case, several probes are introduced into the storage slot, which control the level of the adhesive within the storage pit via a temperature difference measurement.
  • Document GB 2 128 340 A discloses a control device for hot
  • the device has a chamber in which the liquid is received.
  • Two sensor elements protrude into this chamber and are arranged at different height levels in order to determine the fill level in the chamber on the basis of the measured values determined by these sensor elements.
  • document DE 602 14 800 T2 discloses an adhesive device for bookbinding.
  • a housing On a heating unit having a heating roller, a housing is provided, which is equipped at different height levels with temperature sensors.
  • document DE 10 2004 026 396 A1 discloses a device for measuring the fill level and / or the temperature in a container.
  • document GB 2 097 932 A discloses a thermoelectric
  • Liquid level measuring device The liquid is measured by a plurality of measuring resistors arranged one above the other, which are connected to a measuring circuit.
  • the object of the invention is to show a level sensor, especially for use in labeling units for labeling containers under
  • a labeling unit is the subject of
  • the invention is based on the surprising finding that the temperature (for example about 130 ° C.-150 ° C.) of the label glue in the glue container is independent of the degree of soiling of the glue container and / or other associated glue
  • Components is significantly greater than the temperature (for example, about 70 ° C) which adjusts above the label size in the glue container.
  • Label glue level in the glue container regardless of the prevailing environmental influences (for example, temperature) and also independent of the respective level of the glue container.
  • the Etikettenleimador has dropped below the level of the upper of these two sensor elements. Whenever no difference is detected between the measuring signals of two sensor elements arranged at different height levels, the label gluing mirror is at or above the level of the upper of these two sensor elements or is below the level of the lowermost sensor element dropped, the measurement signals supplied by the sensor elements then allow a distinction between these n states.
  • Container are in the context of the invention in particular cans, bottles, tubes, Pourches, each made of metal, glass and / or plastic, but also other packaging, especially those which are suitable for filling powdery, granular, liquid or viscous products.
  • FIG. 1 shows, in a schematic representation and in plan view, a labeling unit of a machine for equipping or labeling containers;
  • FIG. 2 is a schematic partial representation of a level sensor for
  • Fig. 3 in positions a) - c) in a schematic representation of the glue container at different levels and the case supplied by the level sensor measuring signals; 4 and 5 each show in a simplified block diagram the level sensor together with a measuring and evaluation electronics in two different embodiments of the level sensor.
  • 1 is a labeling unit of a labeling machine otherwise not shown circumferential type for labeling bottles or similar containers 2 with labels 3 using a heated, for example heated to a temperature in the range between 130 ° C and 150 ° C label glue.
  • the labeling unit 1 comprises in the manner known to those skilled in the art u.a. a circumferentially driven about a vertical axis pallet carrier 4 with a plurality of pallets 5, the circulation of the pallet carrier 4 at a
  • Glueing device 6 provided with a glue application from the label size and then record on a label magazine 7 each ready there first label so that it rests with its back on the glued surface of the pallet 5.
  • the label glued on its rear side is then transferred via a transfer cylinder 8 to the container 2 moved past the labeling unit 1.
  • the gluing device 6 comprises in the manner also known to the person skilled in the art, inter alia. a glue roller 9 circulating about a vertical axis and cooperating with the pallets 5, a glue application element 10 generating a glue application on the glue roller 9, which is supplied with the heated label glue from the glue container 12 via the glue pump 11, to the
  • a fill level sensor 14 is provided in the glue container 12, which is designed as an electrical fill level sensor.
  • the fill level sensor 14 designed as a probe or bar and arranged with its longitudinal axis L in the vertical direction or substantially in the vertical direction consists of a rod-shaped carrier 15, on the inner side 15
  • Sensor elements i. in the illustrated embodiment, three sensor elements 16.1 - 16.3 are provided, the electrical characteristics of which changes as a function of the temperature and thus to generate one each
  • temperature-dependent measurement signal U1 - U3 e.g. are suitable in the form of a measuring voltage.
  • the sensor elements are temperature dependent resistors, e.g. those of platinum or a platinum alloy, e.g. under PT100 are known.
  • the sensor elements 16.1 - 16.3 are connected via measuring lines 17 with a measuring and evaluation electronics 18.
  • the carrier 15 is designed with regard to material selection and / or design so that it has only a reduced thermal conductivity in the direction of the longitudinal axis L of the level sensor 14, while the thermal conductivity between the
  • Longitudinal axis L is much larger, in particular also many times greater than the thermal conductivity in the direction of the longitudinal axis L between two in the direction of this longitudinal axis successive sensor elements 16.1 - 16.3.
  • the support 15 for this purpose consists of a metal with reduced thermal conductivity, for example made of stainless steel and is thin-walled.
  • the sensor elements 16.1-16.3 and the measuring lines 17 are provided with a suitable potting compound 18, e.g. Poured plastic compound, so in the
  • Level has corresponding distance from the bottom of the glue container 12, the temperature of the labeled in Figures 2 and 3 with label glue over the carrier outside 5.1 on those sensor elements 16.1 - 16.3, which are below the level N of Etikettenleimadors.
  • the temperature in the Glue container 12 above the mirror of the label glue is significantly lower than the temperature of the label glue is, with the below the level N of
  • Etikettenleimspiegels arranged sensor elements 16.1 - 16.3 generates a higher measurement signal than those located above the level
  • the level of the glue container 12 can be determined.
  • the sensor elements 16.1-16.3 are temperature-dependent resistors which are subjected to a current of a constant current source, different values result depending on the fill level for the measurement signals U1-U3 or measurement voltages generated at the sensor elements 16.1-16.3, as also in FIG in the positions a) - c) is indicated for different levels. With these measuring signals U1 - U3, different filling levels can be determined unambiguously. According to FIG. 4, the individual measuring signals U1-U3 are each transmitted separately to the measuring and evaluation electronics 19, which then transmit the
  • actual level of the measurement signals U1 - U3 determined, for example, from the difference of the measurement signals U1 - U3 between two successive in the direction of the longitudinal axis L sensor elements 16.1 - 16.3, wherein in the presence of such a difference, the filling level in the glue container 12 the lower of the two
  • FIG. 5 shows an embodiment in which the sensor elements 16.1 - 16.3 are connected in series and thereby a common, dependent on the level
  • this measurement signal is stored there with values corresponding to the actual fill levels
  • the temperature of the label glue in the glue container 12 is subject to certain fluctuations, it may be appropriate to compensate for these temperature fluctuations and to increase the accuracy of the fill level sensor 14, especially in this embodiment
  • the sensor element 16K is located in the region of the bottom of the glue container 12, ie in a region, which is constantly filled with Etikettenleim at least in normal trouble-free operation, and thereby provides a current temperature of the label glue corresponding measurement signal U K.
  • the various carriers 15 with their
  • thermally separated e.g. via the potting compound 18 covering the sensor elements 16.1-16.3 and the measuring lines.
  • the filling level sensor 14 according to the invention can also be used within other labeling units and / or labeling machines than those described in detail in the exemplary embodiments.
  • Embodiments have a vacuum drum and / or a cutting unit and which are provided for the processing of labels of endless strip material.
  • Level sensor provided in labeling units with a spray and / or Spritzbeleimung. It was assumed above that the fill level sensor 14 or 14a serves to determine the fill level of the glue container 12. Of course, a corresponding fill level sensor can also be provided for determining the fill level in another container serving as a storage container for the heated label size, for example in the container 12a.
  • the sensor element which is closest to the container bottom.

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Labeling Devices (AREA)

Abstract

L'invention concerne un capteur de niveau permettant de déterminer le niveau d'une colle pour étiquettes chauffée, sur un récipient de colle d'un dispositif de collage d'une unité d'étiquetage.
PCT/EP2014/001047 2013-05-21 2014-04-17 Capteur de niveau sur un récipient de colle et unité d'étiquetage Ceased WO2014187522A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310105172 DE102013105172A1 (de) 2013-05-21 2013-05-21 Füllstandssensor an einem Leimbehälter sowie Etikettieraggregat
DE102013105172.3 2013-05-21

Publications (1)

Publication Number Publication Date
WO2014187522A1 true WO2014187522A1 (fr) 2014-11-27

Family

ID=50630747

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/001047 Ceased WO2014187522A1 (fr) 2013-05-21 2014-04-17 Capteur de niveau sur un récipient de colle et unité d'étiquetage

Country Status (2)

Country Link
DE (1) DE102013105172A1 (fr)
WO (1) WO2014187522A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111453119A (zh) * 2020-04-23 2020-07-28 四川中烟工业有限责任公司 一种用于卷烟包装机商标纸注胶防差错的方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022123055A1 (de) * 2022-09-09 2024-03-14 Krones Aktiengesellschaft Verfahren zur Produktionsüberwachung einer Etikettiermaschine und Etikettiermaschine zur Etikettierung von Behältern

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0108435A1 (fr) * 1982-10-06 1984-05-16 Kliklok Corporation Commande du niveau pour des liquides chauds
DE4434646A1 (de) * 1994-09-28 1996-04-04 Kromberg & Schubert Vorrichtung zum Messen des Flüssigkeitsstandes in einem Behälter
DE102006025220A1 (de) * 2006-05-29 2007-12-06 Areva Np Gmbh Vorrichtung zur Füllstandsmessung
EP2216610A1 (fr) * 2009-02-06 2010-08-11 Cotherm Capteur thermosensible pour ballon de stockage d'eau chaude

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3115776A1 (de) * 1981-04-18 1983-01-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Thermoelektrische fuellstandsmesseinrichtung
DE3134912C2 (de) 1981-09-03 1984-05-10 TRW Messmer GmbH & Co KG, 7760 Radolfzell Schaltungsanordnung zur kontinuierlichen Messung desFüllstandes in einem mit Flüssigkeit zumindest teilweise gefüllten Behälter
DE3300008C2 (de) * 1982-05-05 1984-10-04 Jagenberg AG, 4000 Düsseldorf Leimwalze für eine Etikettierstation
DD239569A1 (de) 1985-07-19 1986-10-01 Polygraph Leipzig Einrichtung zur fuellstandsregelung von heissleimwerken
DE9208951U1 (de) * 1992-07-03 1992-11-19 Friz Maschinenbau GmbH, 7102 Weinsberg Vorrichtung zum Auftragen von Klebstoff
US6615658B2 (en) * 1999-08-03 2003-09-09 Charles Darwin Snelling Method and apparatus for detecting the internal liquid level in a vessel
US20030010284A1 (en) * 2001-07-11 2003-01-16 Dynic Corporation Glueing device in bookbinding
DE102004026396B4 (de) * 2004-05-29 2007-10-31 Itw Automotive Products Gmbh & Co. Kg Vorrichtung zur Messung der Füllstandshöhe und/oder der Temperatur in einem Behälter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0108435A1 (fr) * 1982-10-06 1984-05-16 Kliklok Corporation Commande du niveau pour des liquides chauds
DE4434646A1 (de) * 1994-09-28 1996-04-04 Kromberg & Schubert Vorrichtung zum Messen des Flüssigkeitsstandes in einem Behälter
DE102006025220A1 (de) * 2006-05-29 2007-12-06 Areva Np Gmbh Vorrichtung zur Füllstandsmessung
EP2216610A1 (fr) * 2009-02-06 2010-08-11 Cotherm Capteur thermosensible pour ballon de stockage d'eau chaude

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111453119A (zh) * 2020-04-23 2020-07-28 四川中烟工业有限责任公司 一种用于卷烟包装机商标纸注胶防差错的方法

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