EP1516679B1 - Auspressgerät mit Dosiervorrichtung - Google Patents

Auspressgerät mit Dosiervorrichtung Download PDF

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Publication number
EP1516679B1
EP1516679B1 EP04104482A EP04104482A EP1516679B1 EP 1516679 B1 EP1516679 B1 EP 1516679B1 EP 04104482 A EP04104482 A EP 04104482A EP 04104482 A EP04104482 A EP 04104482A EP 1516679 B1 EP1516679 B1 EP 1516679B1
Authority
EP
European Patent Office
Prior art keywords
extrusion
extrusion device
dosing device
sleeve
housing
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
EP04104482A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1516679A2 (de
EP1516679A3 (de
Inventor
Franz Heiberger
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 EP1516679A2 publication Critical patent/EP1516679A2/de
Publication of EP1516679A3 publication Critical patent/EP1516679A3/de
Application granted granted Critical
Publication of EP1516679B1 publication Critical patent/EP1516679B1/de
Active 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
    • B05C17/015—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 pneumatically or hydraulically actuated piston or the like
    • 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
    • B05C17/00553—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 means allowing the stock of material to consist of at least two different components

Definitions

  • the invention relates to a operated with a pressure medium Auspress réelle for discharging a mass from a storage and Ausbring electer, in particular a pneumatically operated Auspress réelle, with a housing, wherein in the housing a squeezing and dosing device for selecting a researchernemden by means of the squeezing, metered amount of mass is arranged.
  • the squeezing device has a pressure piston which can be actuated by means of the pressure medium via a pressure chamber and has at least one tappet element arranged on the latter in the squeezing direction, and the squeezing device is mounted so as to be movable in the longitudinal direction of the squeezing device.
  • the metering device comprises an adjusting means for adjusting the metered quantity, a driving part cooperating with the pressing device and a return device, wherein the driving part can be moved by means of the return device from an end position into an initial position. Furthermore, the metering device has a stationary in the longitudinal direction of the Auspresstechniks holding part and a movable in the longitudinal direction of the Auspresstechniks Mitlaufteil. At the pressure piston, a guide tube is arranged. The driver part is arranged for coupling the follower part of the metering device to the guide tube on the one hand at a free end of the follower part of the metering device and on the other hand fixable in the guide tube of the extrusion device.
  • Auspressieri the above type are the metered dispensing a mass, such as a cartridge or a tubular bag and z. B. operated with compressed air or with a hydraulic fluid.
  • the mass includes, for example, one or more components stored in one or more cartridges.
  • the dispensing device has a housing, a squeezing device and a metering device.
  • a receptacle for one or more cartridges is provided on the ejection device from which or which the mass can be dispensed, in particular extruded, by means of the ejection device.
  • a mixing element is provided, which mixes the applied components to a ready-to-use mass.
  • the squeezing part is mounted so as to be movable in the longitudinal direction on the housing and has a plurality of ram elements for squeezing out, for example, a cartridge filled with the mass.
  • the metering device has at least one displaceably mounted on the housing in the longitudinal direction of the Auspressteils stop, which is fixed by means of a clamping screw on the housing.
  • a disadvantage of the known solution is that the festschraubbare stop by the reset device at least partially moved, and thereby the selected dosage can be changed.
  • the adjustment of the dosage by the control part is unwieldy and insufficiently accurate.
  • a gas-actuated injection device which has an adjustable stop to vary the amplitude of movement of an element of the device and thus the amount of liquid ejected in each injection.
  • the object of the invention is to provide an economically producible operated with a pressure medium Auspress réelle that ensures a precise and handy setting of the dosing and also prevents unwanted change in the dosing, especially in the operation of the reset device.
  • the stationary in the longitudinal direction of the Auspressilless holding part of the metering device is attached in a preferred embodiment of the end cover such that the holding part is indeed rotatable about an axis by means of the actuating means, but does not change its position with respect to the longitudinal direction of the Auspresstechniks.
  • the movable in the longitudinal direction of the Auspresstechniks Mitlaufteil the metering device can be rotated on the one hand about the axis by means of the actuating means and is movable in the coupled state with the squeezing in the longitudinal direction of the Auspressilless.
  • the path is predetermined, which should cover the pressure piston and thus the at least one plunger element.
  • the at least one plunger element is provided in a preferred embodiment at its free end with a pressure plate which acts on the contents of the storage and Ausbring practicers.
  • the size of the path and the cross-sectional dimensions of the storage and Ausbring constituers determine the amount of mass applied.
  • the movable in the longitudinal direction of the Auspressilless Mitlaufteil the metering device is moved in the further pressure build-up with the pressure piston in the extrusion direction until the predetermined path is covered and the driver part has reached its end position in this Ausbringvorgang. Subsequently, the pressure chamber is relieved and the fixation between the driver and the guide tube dissolves.
  • the return device By means of the return device, the driver part and the follower part of the dosing device is moved from the end position of the driver part to the starting position of the driver part.
  • the pressure piston is not moved during the return of the metering device, so that this remains in the position for a further dispensing operation.
  • the dispenser represents the next dispensing operation to disposal.
  • An adjustment of the actuating means of the metering device is required only for a desired change in the amount of mass to be delivered.
  • the guide tube is a component of the at least one plunger element. This makes it possible to realize a compact design of the squeezing with a few items.
  • the driver part is radially expandable by means of the pressure medium.
  • the driver part is for example an elastic element, such as. B. a solid rubber ball, which expands radially under the load through the pressure medium and thus creates the fixation between the follower part of the metering device and the at least one plunger element. If the pressure generated by the pressure medium on the driver part relieved, the driver member retracts to its original radial extent and can be moved by the restoring device from the end position to the starting position.
  • the driver part has a sleeve body with at least one, radially extending opening and the sleeve body is surrounded on its outer periphery by an elastic, stretchable sleeve.
  • the driver part is formed for example as an inflatable bellows. Since the driver part is arranged in the at least one plunger element and the distance between the outer contour of the driving part and the inner contour of the plunger element to ensure the mobility of the driving part in the plunger element can be kept low, the shell must have only low loads due to the application of the pressure medium.
  • the shell is made for example of a rubber or plastic and is z. B. shrunk onto the sleeve body. The sleeve body is z.
  • the driver part is fixed in the, preferably a tubular cross-section having at least one plunger element. As soon as the pressure of the pressure medium subsides, the pressure medium located in the sheath flows back through the at least one opening in the sleeve body and the outside diameter of the driver part is reduced.
  • a connecting channel Through the connecting channel, the pressure medium can be supplied from the pressure chamber to the driver part for its fixation in the plunger element when the squeezing device is acted upon and returned to the pressure chamber whose discharge will be dissipated.
  • the sealing of the plunger against the housing suffices as a constructive measure to ensure the importance
  • the metering device comprises a first control cam, wherein the first control cam is adjustable by means of the adjusting means.
  • the first control curve has, for example, a pitch that corresponds to the maximum distance that is to be permitted by means of the metering device during the dispensing process.
  • the first control curve is continuous, which allows any adjustment of the metered amount over the specified range.
  • the first cam is not guided around the entire circumference. In this case, a stop can be provided which avoids over-rotation of the actuating means on the part of the user.
  • a marking is preferably attached, which facilitates the user setting the desired metered amount of mass to be delivered.
  • a manifold is advantageously connected to the discharge valve on the housing for its recovery.
  • a control valve in a connecting portion between the pressure chamber and the driver part, or between the pressure chamber and the connecting channel for controlling the driver part is arranged on the first part of the metering device.
  • the control valve allows to close the connecting portion, whereby the metering device is disabled and a free dispensing, or a continuous Ausbringvorgang is made possible with the inventive Auspress réelle.
  • a second control cam is optionally provided for controlling the control valve on the housing.
  • the second control cam is formed, for example, on a cover of the housing, on which the adjusting means of the metering device is arranged.
  • a measuring device is arranged on the housing or on the at least one plunger element for indicating the movement of the at least one plunger element in the longitudinal direction of the ejection device.
  • the measuring device comprises, for example, a marking and a pointing element which, in accordance with the displacement of the squeezing device with respect to the housing, indicates its position and indicates to the user the still available or already consumed quantity of mass to be dispensed with the squeezing device.
  • the marking is punched or printed on the outside of the housing, for example.
  • the pointing element is, for example, a rod which is connected to the at least one plunger element and is moved in accordance with the distance traveled by the plunger element.
  • inventive extrusion device 11 is pneumatically operated in this embodiment.
  • inventive extrusion device 11 is pneumatically operated in this embodiment.
  • the statements apply mutatis mutandis.
  • An actuator 5 for the Auspress réelle 11 is manual actuated and arranged in the supply line of compressed air to the extrusion device 11. By actuating the actuating element 5, the compressed air is supplied to the ejection device 11.
  • the dispensing device 11 has a housing 12, in which a squeezing device 13 and a metering device 14 are arranged for preselecting the dispensed by the squeezing device 13, metered amount of existing in the cartridge masses.
  • the squeezing device 13 comprises a pressure piston 15 on which in extrusion direction A a first ram element 16 for dispensing a first component from the cartridge and a second ram element 17 for dispensing a second component from the cartridge are arranged.
  • the first plunger element 16 is made of a pipe section, which serves as a guide tube for the extrusion device 13, and the second plunger element is made of a round profile, for example made of metal or plastic.
  • the pressure plate 18 At the free end of the first plunger element 16 is a pressure plate 18 and at the free end of the second plunger element 17, the pressure plate 19 is arranged.
  • the plunger elements 16 and 17 penetrate already in the starting position of the Auspress advocatess 11 the front cover 20 of the housing 12th
  • the metering device comprises a control means 26 designed as a rotary knob for adjusting the metered quantity to be applied by means of the ejection device 11 during a dispensing operation, a driver part cooperating with the first push element 16 and designed as an inflatable bellows, and a return device designed as a helical spring 28.
  • the metering device 14 further has a holding part 29 which is stationary in the longitudinal direction L of the ejecting device 11 and a follower part 30 which can be moved in the longitudinal direction L of the ejecting device 11.
  • the holding part 29 and the follower part 30 of the metering device are rotatable about the axis 42 by means of the actuating means 26.
  • the driver part 27 is arranged on the free, lying in the direction of extrusion A end of a pipe section 31, which together with the fixedly arranged on the pipe section 31 sleeve 32 forms the follower part 30 of the metering device 14.
  • a first control cam 35 is formed, whose operation and configuration will be described in detail below.
  • the end cover 33 is provided with a collar 34 projecting over the housing 12.
  • the end cover 33 has a receptacle 36 for the partial reception of the holding part 29 of the metering device 14.
  • a second control cam 37 is provided, which controls the control valve 38. If the holding part 29 of the metering device 14 is rotated by means of the adjusting means 26 such that the control valve 38 is pressed into the connecting portion 39 on the holding part 29 of the metering device 14, which in this embodiment, the orientation of the control valve 38 in the direction of the point 40 (see. Fig. 4 ), no compressed air can flow through the connection channel 41 created by the pipe section 31 to the driver part 27 and bring it into engagement with the first ram element 16.
  • the coil spring 28 is fixed on the one hand stationary in the region of the actuating means 26, or on the holding part 29 of the metering device 14 and on the other hand to the driving part 27, or in the region of the free end of the follower 30 of the metering device 14, whereby this stretched in Ausbringvorgang in length and so a, against the extrusion direction A acting spring force is generated.
  • a sleeve-shaped connecting member 75 is screwed, which connects the sleeve body 71 with the free end of the pipe section 31 and at the same time provides an attachment point 76 for serving as a return device of the driver 27 coil spring.
  • the connecting channel 41 forming pipe section 31 flows during the actuation of the actuating element 5 on the handle 2 through the pressure chamber 52 compressed air in the driver part 27.
  • the compressed air flows into the space between the sleeve body 71 and the shell 73, wherein this radially expands and the driver part 27 is fixed to the inner wall of the tubular plunger element 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Reciprocating Pumps (AREA)
  • Devices For Dispensing Beverages (AREA)
EP04104482A 2003-09-18 2004-09-16 Auspressgerät mit Dosiervorrichtung Active EP1516679B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10343575 2003-09-18
DE10343575A DE10343575B4 (de) 2003-09-18 2003-09-18 Auspressgerät mit Dosiervorrichtung

Publications (3)

Publication Number Publication Date
EP1516679A2 EP1516679A2 (de) 2005-03-23
EP1516679A3 EP1516679A3 (de) 2009-05-13
EP1516679B1 true EP1516679B1 (de) 2012-02-22

Family

ID=34177854

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04104482A Active EP1516679B1 (de) 2003-09-18 2004-09-16 Auspressgerät mit Dosiervorrichtung

Country Status (6)

Country Link
US (1) US7100804B2 (ja)
EP (1) EP1516679B1 (ja)
JP (1) JP4596870B2 (ja)
CN (1) CN1597456A (ja)
AT (1) ATE546232T1 (ja)
DE (1) DE10343575B4 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101646502B (zh) * 2007-03-08 2013-02-20 武藏工业株式会社 液滴排出装置及方法
EP2227150A1 (en) * 2008-01-11 2010-09-15 Medmix Systems AG Dispensing appliance for a multiple cartridge
DE102011003236A1 (de) * 2011-01-27 2015-03-26 Hilti Aktiengesellschaft Auspressgerät
DE102011081137B4 (de) 2011-08-17 2015-03-12 Henkel Ag & Co. Kgaa Ausgabesystem
EP3183066A1 (de) * 2014-08-19 2017-06-28 Medmix Systems AG Drehdispenser für mehrfachkartusche
US20180111154A1 (en) * 2015-04-20 2018-04-26 Illinois Tool Works Inc. Nozzle for a tool for injecting chemical anchor resin
EP3251755A1 (en) * 2016-05-31 2017-12-06 Sulzer Mixpac AG Two-component dispenser
DE102019101640A1 (de) * 2019-01-23 2020-07-23 3lmed GmbH Kartusche
CN111482335A (zh) * 2020-04-16 2020-08-04 东莞市乐博斯五金塑胶制品有限公司 一种塑胶枪
CN114689128B (zh) * 2022-05-31 2022-08-19 青岛道万科技有限公司 一种特种温度压力测量仪及其方法

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Publication number Priority date Publication date Assignee Title
DE851169C (de) * 1949-01-06 1952-10-02 B B Chemical Co Spritzpistole
FR1563664A (ja) * 1967-09-15 1969-04-18
US3504673A (en) * 1969-03-17 1970-04-07 Squibb & Sons Inc Injector device with dosage selector
FR2052106A6 (ja) * 1969-07-16 1971-04-09 Merieux Inst
DE2551991A1 (de) * 1974-11-19 1976-07-29 Wolfgang Dr Med Wagner Dosierende arzneispender fuer die perorale und injektionsbehandlung
GB2162902A (en) * 1984-07-21 1986-02-12 Nippon Tansan Gas Co Ltd Viscous agent injecting instrument
US4826050A (en) * 1984-11-28 1989-05-02 Murphy Allan P Spraying and dosing apparatus
EP0236129A3 (en) * 1986-03-03 1988-08-24 P.C. Cox (Newbury) Limited Pneumatic dispensers for viscous materials
US5184758A (en) * 1987-01-26 1993-02-09 Keller Wilhelm A Pressure medium-driven dispensing appliance for operating double cartridge cases
ES2020583B3 (es) * 1987-01-26 1991-08-16 Wilhelm A Keller Aparato de distribucion accionado por medio de presion al servicio de cartuchos dobles.
US5020693A (en) * 1989-06-30 1991-06-04 Illinois Tool Works Inc. Dosage control for adhesive dispenser
US5181636A (en) * 1990-12-14 1993-01-26 Milbar Corporation Incremental dispensing device
JPH0490704U (ja) * 1990-12-21 1992-08-07
DE69417076T2 (de) * 1993-01-15 1999-07-08 Wilhelm A Keller Austraggerät für mindestens zwei Komponenten
AU7324394A (en) * 1993-07-06 1995-02-06 Michael L. Earle Bone cement delivery gun
DE4440243A1 (de) * 1994-11-11 1996-05-15 Schwerdtel Ludwig Gmbh Dosier-Gerät für viskose Materialien
EP0787534B1 (en) * 1996-01-31 2000-03-08 Wilhelm A. Keller Dispensing appliance for at least two components
EP0787535B1 (en) * 1996-01-31 2002-05-02 Wilhelm A. Keller Dispensing appliance for at least two components
DE19709896C1 (de) * 1997-03-11 1998-12-24 Omrix Biopharm Sa Applikator zum Auftragen eines Ein- oder Mehrkomponenten-Fluids und Verfahren zum Aufsprühen eines derartigen Fluids
SE524677C2 (sv) * 2003-01-15 2004-09-14 Leif Einar Stern Anordning för utmatning av en pastaformig produkt,företrädesvis livsmedel, ur en behållare

Also Published As

Publication number Publication date
ATE546232T1 (de) 2012-03-15
US7100804B2 (en) 2006-09-05
DE10343575A1 (de) 2005-04-21
EP1516679A2 (de) 2005-03-23
DE10343575B4 (de) 2006-06-29
JP4596870B2 (ja) 2010-12-15
JP2005088002A (ja) 2005-04-07
CN1597456A (zh) 2005-03-23
US20050072811A1 (en) 2005-04-07
EP1516679A3 (de) 2009-05-13

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