EP3475000B1 - Vorrichtung zum auftragen eines viskosen materials - Google Patents

Vorrichtung zum auftragen eines viskosen materials Download PDF

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Publication number
EP3475000B1
EP3475000B1 EP17723365.7A EP17723365A EP3475000B1 EP 3475000 B1 EP3475000 B1 EP 3475000B1 EP 17723365 A EP17723365 A EP 17723365A EP 3475000 B1 EP3475000 B1 EP 3475000B1
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EP
European Patent Office
Prior art keywords
tube section
tube
application
joint
actuating elements
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.)
Active
Application number
EP17723365.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3475000A1 (de
Inventor
Bernhard Sauer
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.)
Atlas Copco IAS GmbH
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Atlas Copco IAS GmbH
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Publication date
Application filed by Atlas Copco IAS GmbH filed Critical Atlas Copco IAS GmbH
Publication of EP3475000A1 publication Critical patent/EP3475000A1/de
Application granted granted Critical
Publication of EP3475000B1 publication Critical patent/EP3475000B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/025—Rotational joints
    • B05B3/026—Rotational joints the fluid passing axially from one joint element to another
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/028—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements the rotation being orbital
    • 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
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0208—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
    • B05C5/0212—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles
    • B05C5/0216—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles by relative movement of article and outlet according to a predetermined path
    • 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
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0225—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work characterised by flow controlling means, e.g. valves, located proximate the outlet

Definitions

  • the invention relates to a device for applying a viscous material according to the preamble of claim 1.
  • Devices for applying a viscous material are for example from the EP 0 852 160 B1 known and are widely used when applying viscous materials to workpieces, for example when applying adhesive to body parts.
  • An application tube, from the material outlet opening of which the viscous material is applied to the workpiece, is mounted near its end in an eccentric, which is set in rotation about its longitudinal central axis during the application process and forces the eccentrically mounted application tube at its tip with the material outlet opening to undergo a circular movement .
  • This circular movement which occurs at several thousand revolutions per minute, causes centrifugal forces to act on the viscous material, which lead to a spiral movement of the material jet.
  • the application tube must on the one hand be elastically flexible over at least a large part of its length, on the other hand it must have a sufficiently large length so that a sufficient deflection of its tip can be achieved. The longer the application tube is, the more material remains in it after the material application has ended, and the larger the application device builds.
  • a device of the type mentioned is from the DE 20 2007 016 237 U1 known. It has an application pipe with two pipe sections which are connected to one another in an articulated manner, wherein the second pipe section having the material outlet opening can be angled relative to the first pipe section. The bending takes place through a force exerted by the workpiece on the second pipe section. The second pipe section must touch the workpiece, and the workpiece must have a corresponding contour, since no deflection can take place without external forces.
  • the invention is based on the idea that a deflection of the material outlet opening at the free end of the second tube section can be achieved by means of the joint without having to bend the application tube.
  • the second pipe section can be made quite short without having to forego a sufficiently large deflection of its free end with respect to a longitudinal central axis of the application pipe.
  • the first pipe section can also be made relatively short, only enough length having to be provided in order to be able to reliably feed the material.
  • the overall shorter design of the application tube on the one hand means that the entire device can be made smaller, on the other hand, less material remains in the shorter application tube after application of the material than in a longer application tube.
  • the device according to the invention also has the advantage over the prior art that, with the appropriate design and control of the drive device, the eccentricity of the material outlet opening can be changed continuously and quickly.
  • the application is not necessarily circular, but can take other forms by appropriately controlling the drive device.
  • the drive device can be switched off so that the material can be applied in a thin straight line, and the second pipe section can be arranged transversely to the first pipe section and held in this position so that an application of the material in a direction transverse to the longitudinal central axis of the first Pipe section takes place.
  • a ball joint is particularly suitable as a joint. But it is also possible to connect the joint as a cardan or universal joint or as a joint with a pipe section connecting the first pipe section to the second pipe section to form elastic connecting element.
  • a silent block comes into question, in which the pipe sections each carry a bushing at the ends facing one another, the bushings being inserted into one another and an elastic intermediate layer being arranged between them.
  • the drive device has at least one radially projecting arm which is fixedly connected to the second pipe section and at least two actuating elements which can be moved by means of an actuator in each case to act on the at least one arm at different points of action.
  • the cantilever can be a plate which projects around the second pipe section from the latter.
  • the drive device has a number corresponding to the number of actuating elements of cantilevers which protrude radially from one another in the form of cantilever arms, so that less material is required and less mass has to be moved.
  • the drive device has only two actuating elements, only a reciprocating movement of the material application opening is possible. It is therefore preferred that the drive device has at least three actuating elements, ideally an even larger number, in order to enable the material outlet opening to move as precisely as possible, also approximately in a circular path. It is preferred that both the actuating elements and the loading points are each arranged at constant angular distances from one another with respect to a longitudinal center axis of the application tube, so that there is a high degree of symmetry.
  • the actuating elements are expediently movable back and forth plungers loosely resting on the at least one arm at the points of application. A complex attachment of the actuating elements to the at least one arm can thus be dispensed with. A return stroke of the at least one boom is then carried out by acting on another point of application by means of another ram. However, it is also possible that everyone Plunger is assigned a return spring to act on the at least one arm with a restoring force directed towards the plunger, which then executes or supports the return stroke.
  • actuators A variety of common components can be used as actuators.
  • the actuators it is possible to design the actuators as pneumatic cylinders or piezo elements.
  • the actuators are voice coils that enable particularly fast control.
  • the device according to the invention expediently has a needle valve for closing the application tube, the valve seat of which is arranged in the first tube section.
  • the valve seat can be arranged near the joint, so that after the application process has ended and the needle valve has closed, very little residual material remains on the side of the needle valve facing the outlet opening, which can drip out of the material outlet opening.
  • the needle of the needle valve has an extension which extends into the second tube section and acts as a displacement body and further reduces the amount of residual material remaining in the second tube section after the application process.
  • the material application device 10 shown in the drawing is used to apply viscous material such as adhesive or sealant to a workpiece, such as a body part of a motor vehicle. It has a housing 12, in which an application tube 14 is received, which extends in a longitudinal direction 16.
  • the application tube 14 has a first tube section 18 which is fixed to the housing and has a material inlet opening 20, and a second tube section 24 which is articulated by means of a ball joint 22 to the first tube section 18 and which has a material outlet opening 28 at its free end 26 facing away from the first tube section 18 .
  • Between the material inlet opening 20 and the material outlet opening 28 there extends an application channel 30 for the viscous material which is delimited by the application tube 14 and into which this is introduced via a material feed connection 32 in the housing 12 through the material inlet opening 20.
  • a drive device 36 which has four cross-shaped shapes at equal angular intervals mutually arranged, connected to the second pipe section 24 and radially projecting boom in the form of boom arms 38.
  • Each of the cantilever arms 38 is acted upon by a plunger 42 lying loosely there at a loading point 40 arranged at a distance from the second pipe section 24. All loading points 40 are arranged at the same distance from the second pipe section 24.
  • the drive device 36 has four voice coils 44 arranged in the housing 12, only indicated in the drawing, each of which is intended to act on one of the plungers 42 in order to achieve a back and forth movement.
  • voice coils 44 With a corresponding control of the voice coils 44, in which the plungers 42 are successively moved downwards in order to act on the cantilever arms 38 on the acted upon points 40, an approximate circular movement of the free end 26 and thus the material outlet opening 28 can be achieved.
  • the plungers 42 opposite Return springs can be arranged lying in the housing 12, which act against the extension arms 38 from below.
  • a needle valve 46 is provided, the needle 48 of which is seated on a valve seat 50 in the first tube section 18 in a closed position.
  • the valve seat 50 is arranged just above the ball joint 22.
  • a typical value for the distance of the valve seat 50 from the ball joint 22 is one to two cm, while a typical value for the length of the second pipe section 24 is three to five cm.
  • the needle 48 also has an extension 52 with a smaller diameter which extends through the ball joint into the second pipe section 24 and which, even when the second pipe section 24 is deflected by pivoting relative to the first pipe section 18 about the ball joint 22, is at a sufficient distance from the second pipe section 24 is arranged.
  • the extension 52 serves as a displacement body in order to minimize the amount of residual material remaining after the closing of the needle valve 46 in the region of the application tube 14 lying between the valve seat 50 and the material outlet opening 28.
  • the first pipe section 18 and the second pipe section 24 can each be formed in one piece or, as shown in the exemplary embodiment, can be composed of several components.
  • the first tube section 18, as shown in the drawing can have a bushing which is arranged at a distance from the ball joint 22 and in which the material inlet opening 20 is arranged.
  • the invention relates to a device 10 for applying a viscous material with an application tube 14 delimiting an application channel 30 extending from a material inlet opening 20 to a material outlet opening 28 in a longitudinal direction 16 and with a material feed connection 32 which at least partially accommodates the application tube 14 for the viscous material housing 12, wherein the application tube 14 has a first tube section 18 which is arranged fixed to the housing and has the material inlet opening 20 and a second tube section 24 which adjoins the first tube section 18 and has the material outlet opening 28 at a free end 26.
  • a joint 22 connecting the first pipe section 18 and the second pipe section 24 and a drive device 36 for deflecting the free end 26 of the second pipe section 24 are provided in a transverse direction 34 running transversely to the longitudinal direction 16.

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  • Coating Apparatus (AREA)
EP17723365.7A 2016-06-23 2017-05-12 Vorrichtung zum auftragen eines viskosen materials Active EP3475000B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016007638.0A DE102016007638A1 (de) 2016-06-23 2016-06-23 Vorrichtung zum Auftragen eines viskosen Materials
PCT/EP2017/061440 WO2017220251A1 (de) 2016-06-23 2017-05-12 Vorrichtung zum auftragen eines viskosen materials

Publications (2)

Publication Number Publication Date
EP3475000A1 EP3475000A1 (de) 2019-05-01
EP3475000B1 true EP3475000B1 (de) 2020-04-08

Family

ID=58707547

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17723365.7A Active EP3475000B1 (de) 2016-06-23 2017-05-12 Vorrichtung zum auftragen eines viskosen materials

Country Status (6)

Country Link
US (1) US10695777B2 (zh)
EP (1) EP3475000B1 (zh)
KR (1) KR102328821B1 (zh)
CN (1) CN109414719B (zh)
DE (1) DE102016007638A1 (zh)
WO (1) WO2017220251A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023179983A1 (de) * 2022-03-25 2023-09-28 Atlas Copco Ias Gmbh Vorrichtung zum auftragen eines viskosen materials

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113993633B (zh) * 2019-05-10 2023-11-14 Atn霍尔泽尔有限公司 用于连续地按顺序施加两种或更多种粘性的材料的方法以及施加器
DE102019134450A1 (de) * 2019-12-16 2021-06-17 Atlas Copco Ias Gmbh Vorrichtung zum Auftragen von viskosem Material

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US3094254A (en) * 1960-02-29 1963-06-18 Grace W R & Co Nutating nozzle
US5326037A (en) * 1993-06-10 1994-07-05 Hour Tyh Yuan Automatic washing and sterilizing device for a stable
US6021793A (en) * 1996-08-01 2000-02-08 Moulder; Jeffrey Ernest Tank car cleaning and rinsing apparatus and method
ES2201250T3 (es) 1996-12-02 2004-03-16 Graco Inc. Aparato que dispensa un patron controlable.
US6758418B2 (en) * 2001-08-07 2004-07-06 Nordson Corporation Swirl gun
DE10216631B4 (de) * 2002-04-15 2004-02-26 Jochen Eckardt Vorrichtung und Verfahren zum selektiven Auftragen von Öl auf Platinen
DE102004062063A1 (de) * 2004-12-23 2006-07-13 Liman Gmbh & Co. Kg Vorrichtung zur Ausgabe viskoser Materialien
JP4275126B2 (ja) * 2005-10-27 2009-06-10 三菱重工業株式会社 高温流体噴射弁及びこれを備えた高温水噴射内燃機関
DE202007016237U1 (de) * 2007-11-20 2008-02-14 Liman Gmbh & Co. Kg Vorrichtung zur Abgabe viskoser Materialien
CN201205530Y (zh) * 2008-05-13 2009-03-11 游甦明 径向摇摆喷头
US8136705B2 (en) * 2009-04-09 2012-03-20 Illinois Tool Works Inc. Magnetic drive for dispensing apparatus
DE102013101941A1 (de) * 2013-02-27 2014-08-28 Sar Elektronic Gmbh Kopfteil für einen Auftragskopf einer Auftragsvorrichtung eines Roboters zum Auftragen von flüssigem oder pastösem Material und Auftragsvorrichtung mit Kopfteil
US9533449B2 (en) * 2014-06-19 2017-01-03 Autodesk, Inc. Material deposition systems with four or more axes
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DE102014014592A1 (de) * 2014-10-07 2016-04-07 Sca Schucker Gmbh & Co. Kg Vorrichtung zum Auftragen eines viskosen Materials
DE102014015057B4 (de) * 2014-10-15 2019-08-01 Atlas Copco Ias Gmbh Vorrichtung zum Auftragen eines viskosen Materials
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CN105499000A (zh) * 2015-10-21 2016-04-20 北京工业大学 一种脉动往复式自控程草坪喷头

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023179983A1 (de) * 2022-03-25 2023-09-28 Atlas Copco Ias Gmbh Vorrichtung zum auftragen eines viskosen materials

Also Published As

Publication number Publication date
EP3475000A1 (de) 2019-05-01
CN109414719A (zh) 2019-03-01
KR102328821B1 (ko) 2021-11-18
KR20190021239A (ko) 2019-03-05
US10695777B2 (en) 2020-06-30
WO2017220251A1 (de) 2017-12-28
DE102016007638A1 (de) 2017-12-28
US20190270099A1 (en) 2019-09-05
CN109414719B (zh) 2021-01-08

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