EP2050510B1 - Dispositif de distribution - Google Patents

Dispositif de distribution Download PDF

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Publication number
EP2050510B1
EP2050510B1 EP08105506A EP08105506A EP2050510B1 EP 2050510 B1 EP2050510 B1 EP 2050510B1 EP 08105506 A EP08105506 A EP 08105506A EP 08105506 A EP08105506 A EP 08105506A EP 2050510 B1 EP2050510 B1 EP 2050510B1
Authority
EP
European Patent Office
Prior art keywords
drive unit
gears
piston rod
drive
profiled teeth
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.)
Not-in-force
Application number
EP08105506A
Other languages
German (de)
English (en)
Other versions
EP2050510A1 (fr
Inventor
Christian Hefele
Rainer Strobel-Schmidt
Ingo Löschky
Franz Heiberger
Peter Ostermeier
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.)
Hilti AG
Original Assignee
Hilti 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 Hilti AG filed Critical Hilti AG
Publication of EP2050510A1 publication Critical patent/EP2050510A1/fr
Application granted granted Critical
Publication of EP2050510B1 publication Critical patent/EP2050510B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/01—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with manually mechanically or electrically actuated piston or the like
    • B05C17/0103—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with manually mechanically or electrically actuated piston or the like with electrically actuated piston or the like

Definitions

  • the invention relates to a squeezing device for mass-containing container with at least one piston rod, which has a tooth profile along its longitudinal extent, and with a drive unit for the at least one piston rod with a drive and with one, driven by the drive, with the tooth profiling of the at least one piston rod meshing gear, wherein the at least one gear from a first coupled to the tooth profiling of the at least one piston rod position in a decoupled from the tooth profiling of the at least one piston rod position is displaceable.
  • Such a squeezing device is also referred to as Zahnstangendispenser and serves to dispense in containers, such. B. in foil pouches or cartridges, packed masses at an application site.
  • These squeezing devices are for dispensing different types of masses, such as. As mortar or sealants suitable.
  • the at least one piston rod is advanced over a predetermined amount, wherein a pressure plate arranged on the piston rod acts on the container and a corresponding amount of the mass present therein is discharged through an outlet opening in the head part.
  • the piston rod To replace a squeezed out container, the piston rod must be retracted so that the container inserted into the squeezing device can be removed from it and replaced by another container.
  • the US 5,807,334 relates to a device for dispensing liquids for the medical field.
  • This device has a feed rack with which different gears of a transmission are engaged to achieve different feed rates.
  • the EP 1 609 535 A2 shows an arrangement in a squeezing device, wherein a gear of a plurality of gears comprising drive train for decoupling the Powertrain is displaceable.
  • a gear of a plurality of gears comprising drive train for decoupling the Powertrain is displaceable.
  • the meshing with the tooth profiling of the piston rod gear remains in the decoupled state of the drive train continues to engage with the tooth profiling.
  • Another Auspressvoriques is from the US 5,503,307 known.
  • From the DE 22 27 930 A1 is a squeezing with a piston rod having a tooth profile along its longitudinal extent, and with a drive unit for the at least one piston rod with a motor and gear drive and with a, driven by the drive, with the tooth profiling of the at least one piston rod meshing gear known ,
  • the motor By means of Polumscados the motor, the advanced piston rod is moved back to its original position in which the inserted container can be removed and a new container in the squeezing device can be inserted.
  • a disadvantage of the known solution is that the return of the piston rod to its initial position is time-consuming.
  • a disadvantage of the known solution is that the decoupling of the piston rod from the gear may be difficult and subject to high wear.
  • the object of the invention is to provide a generic Auspressvorraum, which allows a low-wear and easy decoupling of the gear from the piston rod.
  • the invention is characterized in that the squeezing device comprises two piston rods which each have a tooth profile along their longitudinal extension, wherein the tooth profiling of the two piston rods face each other, that the drive unit comprises two meshing gears driven by the drive, and that the drive unit with the two gears around a rotation axis extending parallel to the axis of rotation of one of the gears from a decoupled position, in which both gears are decoupled from the two tooth profiles, in a coupled position in which the two gears mesh with a tooth profiling.
  • the drive unit has an axis of rotation extending parallel to the axis of rotation of the gears about which the drive unit with the two gears is rotatable.
  • the axis of rotation is advantageously aligned perpendicular to the extrusion direction of the extrusion device.
  • an actuating element for displacing the drive unit provided, which allows a simple displacement of the gears by the user.
  • a drive unit rotatably displaceable according to the invention on a housing of the drive unit is a running along the axis of rotation of the drive unit than Handle trained projection provided, the z. B. is manually operated, so that the user continue holding the squeezing with the actuating element actuating the hand and position the now freely movable two piston rods with the other hand.
  • the drive unit is displaceable against a spring force of a spring element and is forced after the displacement of the spring element back into a position in which the gears mesh with the tooth profiles of the piston rods.
  • the spring element is designed, for example, as a torsion spring.
  • a locking lever for holding the drive unit is provided in the position decoupled from the piston rods.
  • the drive unit With the locking lever, the drive unit is mechanically fixed in the decoupled position, so that the user need not hold the drive unit either directly or indirectly in the decoupled position for handling the entire squeezing device.
  • the locking lever is provided for example on the outer housing of the squeezing and engages in a locked position in a correspondingly formed receptacle on the drive unit or on a housing part.
  • the in the FIGS. 1 to 3 illustrated squeezing device 11 is used to squeeze a mass from a container 12, which is arranged interchangeable in a receiving space 13 of the squeezing device 11.
  • the squeezing device 11 has two piston rods 16, each of which has a tooth profile 17 along its longitudinal extent, the tooth profiles 17 of the two piston rods 16 facing one another.
  • the extrusion device 11 has a drive unit 21 for the piston rods 16, which comprises an electric motor as the drive 22, a transmission gear 23 and two toothed wheels 24 driven by the drive 22 and intermeshing with the tooth profiles 17 of the piston rods 16.
  • the drive unit 21 has an axis of rotation 26 running parallel to the axis of rotation 25 of the gear 24, about which the drive unit 21 with the gearwheels 24 is rotatable in the direction of the arrow 31.
  • the drive unit 21 is arranged in a housing 27, on which an actuating element 28 extending along the axis of rotation 26 of the drive unit 21 designed as a handle projection for rotatable displacement of the drive unit 21 against the spring force of a spring element 29 is provided.
  • the spring element 29 is a torsion spring.
  • the spring force of the spring element 29 forces the drive unit 21 back into a position in which the gears 24 mesh again with the tooth profiles 17 on the piston rods 16.
  • the drive unit 21 is rotated about its axis of rotation 26 opposite to the direction of the arrow 31 until the gears 24 mesh again with the tooth profiles 17 on the piston rods 16.
  • a Auspressvorraum 31 is shown in sections, in which the drive unit 41 with the gears 44 for decoupling the gears 44 of the tooth profiles 17 of the piston rods 16 along the rotation axis 45 of the gear 44 axially displaceable in the direction of the arrow 51.
  • an actuating element 48 for axially displacing the drive unit 21 is provided on the housing 47 of the drive unit 41.
  • a coil spring is provided as a spring element 49, against the spring force, the drive unit 41 is axially displaceable.
  • the locking lever 50 which penetrates in the locked state into the gap between the drive unit 41 and the housing part 40, the drive unit 41 in the decoupled from the piston rod 16 position can be solved lockable.
  • the gears 44 are again brought into meshing engagement with the tooth profiles 17 of the piston rods.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Coating Apparatus (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Reciprocating Pumps (AREA)
  • Tubes (AREA)

Claims (4)

  1. Dispositif d'éjection pour un emballage contenant une masse (12), comportant au moins une tige de piston (16) qui a un profil denté (17) le long de son étendue longitudinale, et
    une unité d'entraînement (21) pour la au moins une tige de piston (16), comportant un mécanisme d'entraînement (22) et au moins une roue dentée (24) venant en prise avec le profil denté (17) de la au moins une tige de piston (16) et entraînée par le mécanisme d'entraînement (22),
    dans lequel la au moins une roue dentée (24) peut être déplacée à partir d'une première position dans laquelle elle engrène avec le profil denté (17) de la au moins une tige de piston (16), jusqu'à une position dans laquelle elle est désengrenée du profil denté (17) de la au moins une tige de piston (16),
    caractérisé
    en ce que le dispositif d'éjection (11) comporte deux tiges de piston (16) qui présentent chacune un profil denté (17) le long de leur étendue longitudinale, dans lequel les profils dentés (17) des deux tiges de piston (16) sont dirigés l'un vers l'autre,
    en ce que l'unité d'entraînement (21) inclut deux roues dentées (24) en prise l'une avec l'autre et entraînées par le mécanisme d'entraînement (22),
    en ce que l'unité d'entraînement (21) comportant les deux roues dentées (24) peut tourner autour d'un axe de rotation (26) s'étendant parallèlement à l'axe de rotation (25) de l'une des roues dentées (24) à partir d'une position désengrenée, dans laquelle les deux roues dentées (24) sont désengrenées des deux profils dentés (17), jusqu'à une position d'engrènement, dans laquelle les deux roues dentées (24) sont respectivement en prise avec un profil denté (17).
  2. Dispositif d'éjection selon la revendication 1, caractérisé en ce qu'un élément d'actionnement (28) est prévu pour déplacer l'unité d'entraînement (21).
  3. Dispositif d'éjection selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que l'unité d'entraînement (21) peut être déplacée à l'encontre d'une force élastique d'un élément de ressort (30).
  4. Dispositif d'éjection selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'un levier de blocage (30) est prévu pour arrêter l'unité d'entraînement (21) dans la position désengrenée des tiges de piston (16), avec possibilité de libération.
EP08105506A 2007-10-15 2008-10-07 Dispositif de distribution Not-in-force EP2050510B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007000502A DE102007000502A1 (de) 2007-10-15 2007-10-15 Auspressvorrichtung

Publications (2)

Publication Number Publication Date
EP2050510A1 EP2050510A1 (fr) 2009-04-22
EP2050510B1 true EP2050510B1 (fr) 2011-11-23

Family

ID=40262717

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08105506A Not-in-force EP2050510B1 (fr) 2007-10-15 2008-10-07 Dispositif de distribution

Country Status (8)

Country Link
US (1) US8141745B2 (fr)
EP (1) EP2050510B1 (fr)
JP (1) JP2009096556A (fr)
CN (1) CN101412458B (fr)
AT (1) ATE534471T1 (fr)
AU (1) AU2008203835B8 (fr)
CA (1) CA2638859A1 (fr)
DE (1) DE102007000502A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0915002D0 (en) 2009-08-28 2009-09-30 3M Innovative Properties Co Device for dispensing a dental material
DE102009041825A1 (de) * 2009-09-18 2011-03-24 Hilti Aktiengesellschaft Auspressvorrichtung
CN104722459B (zh) * 2015-03-31 2017-03-08 许江永 玻璃胶枪
CN110201852A (zh) * 2019-06-23 2019-09-06 扬州昌祥新材料有限公司 一种5g基站用铝单板安装用注胶枪
CN113911539B (zh) * 2020-07-10 2022-10-18 宁化县旺达生态农业有限公司 一种软膏包装管的单手挤压装置

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3635378A (en) * 1969-11-24 1972-01-18 Damon Dehart Applicating devices
DE2227930C2 (de) 1972-06-08 1974-04-18 Rudolf 7057 Winnenden Blieberger Spritzgerät, insbesondere für Kitt
CH562942A5 (fr) * 1972-06-08 1975-06-13 Blieberger Rudolf
SE444638B (sv) * 1980-08-28 1986-04-28 Electrolux Ab Anordning for automatisk doserad utmatning av rengoringsmedel i pastaform i en tvett- eller diskmaskin
JPS59112867A (ja) * 1982-12-20 1984-06-29 Japan Storage Battery Co Ltd コ−ドレス電動コ−キングガン
DE3535229A1 (de) 1985-10-02 1987-04-02 Graco Inc Vorrichtung zum verpressen von massen, insbesondere dichtungsmassen
US4793521A (en) * 1988-01-13 1988-12-27 Andy Steiner Device for dispensing fluent materials from cartridges
GB8812039D0 (en) * 1988-05-20 1988-06-22 Riley M F Cordless cartridge gun
JPH0647328A (ja) * 1992-07-28 1994-02-22 Matsushita Electric Works Ltd 粘性液剤押し出し機
US5358145A (en) * 1993-04-19 1994-10-25 Bio Techniques Laboratories, Inc. Dispenser for delivering microingredients from cartridges
US5503307A (en) * 1995-03-08 1996-04-02 Wilson; Steven J. Quick release automatic electric caulking gun
US5807334A (en) * 1995-10-20 1998-09-15 Hodosh; Milton Fluid dispensing apparatus
DE29605341U1 (de) * 1996-03-22 1996-05-30 Weidig, Wilfried W., 34317 Habichtswald Elektrobetriebene Universal-Kartuschenpresse
US6101968A (en) * 1997-08-11 2000-08-15 Innovative Injectors, Inc. Power-assist cake decorator
DE29804402U1 (de) * 1998-03-12 1998-05-14 Eilers, Ludger, 49716 Meppen Kartuschenentleerungsgerät, welches maschinell angetrieben wird
DE29907201U1 (de) * 1999-04-23 1999-08-12 Kress-Elektrik GmbH & Co Elektromotorenfabrik, 72406 Bisingen Vorrichtung zum Auspressen und dosierten Abgeben von fließfähigen Massen
US6540113B2 (en) * 2001-02-01 2003-04-01 Dispensing Technologies International Corporation Fluid dispenser particularly adapted for hand-held operation
US6889872B2 (en) * 2002-06-28 2005-05-10 Meritool, L.L.C. Electric two-part material dispenser
KR100699521B1 (ko) * 2004-03-09 2007-03-23 정충현 페이스트물질 토출장치
ITBZ20040030A1 (it) * 2004-06-25 2004-09-25 Wuerth Srl Pistola d'estrusione azionata da avvitatrice elettrica
US20070251957A1 (en) * 2006-05-01 2007-11-01 Yu-Cheng Chen Food extrusion piston assembly

Also Published As

Publication number Publication date
EP2050510A1 (fr) 2009-04-22
AU2008203835B8 (en) 2011-03-17
US20090095772A1 (en) 2009-04-16
AU2008203835B2 (en) 2010-09-16
CA2638859A1 (fr) 2009-04-15
CN101412458A (zh) 2009-04-22
DE102007000502A1 (de) 2009-04-16
ATE534471T1 (de) 2011-12-15
CN101412458B (zh) 2012-05-02
US8141745B2 (en) 2012-03-27
AU2008203835A1 (en) 2009-04-30
JP2009096556A (ja) 2009-05-07

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