EP3325174A1 - Vorrichtung zum fördern von viskosem material - Google Patents
Vorrichtung zum fördern von viskosem materialInfo
- Publication number
- EP3325174A1 EP3325174A1 EP16723985.4A EP16723985A EP3325174A1 EP 3325174 A1 EP3325174 A1 EP 3325174A1 EP 16723985 A EP16723985 A EP 16723985A EP 3325174 A1 EP3325174 A1 EP 3325174A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- pressure
- pressure chamber
- follower plate
- compressed air
- 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
Links
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
- 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
-
- 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
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/047—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump supply being effected by follower in container, e.g. membrane or floating piston, or by deformation of container
-
- 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
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
- B05B9/0409—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material the pumps being driven by a hydraulic or a pneumatic fluid
-
- 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
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1007—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material
- B05C11/1013—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material responsive to flow or pressure of liquid or other fluent material
-
- 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
- B05C11/11—Vats or other containers for liquids or other fluent materials
Definitions
- the invention relates to a device for conveying viscous material from a barrel-like, a container bottom and extending from the container bottom upwardly extending container shell container, with a follower plate for closing the container, which on the inside of the container interior facing the container surface adjacent to the container bottom and is movable away from the container bottom and having a material outlet opening and a ventilation opening, with a pump for conveying the viscous material through the material outlet opening and a ventilation device for introducing compressed air through the ventilation opening and with a
- Lowering device for lowering the follower plate in the container having at least one double-acting cylinder with two pressure-tightly separated by a piston pressure chambers and a support plate carrying support plate, wherein the piston by means of a first of the pressure chambers extending from the cylinder axially led out piston rod so with the carrying device is connected, that when lifting the follower plate in the direction away from the container bottom, the first pressure chamber is reduced.
- Such devices are used for example for applying adhesives or sealants in the production of motor vehicles.
- the viscous material is conveyed by the pump from the barrel-like container, wherein the follower plate is held by means of the lowering device always in contact with a surface of the material in the container.
- Container jacket is the follower plate sealed, so on the one hand no material can escape from the container and on the other hand, no air from the environment can penetrate into the container. If the container is emptied, it is exchanged for a new, full container. For this purpose, the follower plate must be moved out of the container upwards. In order to move the follower plate in the container upwards, the interior of the container must be vented, otherwise in the container creates a vacuum, which is a moving out of
- Pressure chamber overpressure and in the second pressure chamber creates a negative pressure.
- the entrusted with the container change operator must therefore provide by discharging pressure medium from the first pressure chamber or introducing pressure medium into the second pressure chamber for pressure equalization. This requires some
- Pressure medium in the first pressure chamber acts as a prestressed spring and pushes the follower plate again with great force in or on the container. This can damage the container or even injure the operator.
- a diverter valve which blocks a line leading from the first pressure chamber in a switching position and opens the line in another switching position for discharging pressure medium from the first pressure chamber.
- a control unit automatically switches the diverter valve before introducing compressed air through the vent or during initiation.
- the diverter valve is preferably a throttle valve or it is preceded by a throttle valve, so that the pressure medium from the first pressure chamber does not abruptly
- the switching of the diverter valve can be done automatically before the introduction of compressed air into the container, for example, when the device is changed over by the operator from the pumping operation to a container exchange operation. In this case, a corresponding signal is automatically transmitted to the control unit, which then switches the drain valve.
- the introduction of the compressed air into the container by switching a valve in a compressed air supply line and that the switching of the valve in the compressed air supply line generates a signal to the control unit and this switches on receiving the signal diverting valve.
- the line can lead from the first pressure chamber via the discharge valve to an open end to the environment.
- the line leads from the first pressure chamber from the diverter valve into the second pressure chamber, so that both pressure chambers are short-circuited when the diverter valve is in its second switching position.
- a derivation of pressure medium from the first pressure chamber then causes a supply of pressure medium in the second pressure chamber. There will then be no additional measures to be taken
- a check valve that releases a flow of the pressure medium in the second pressure chamber in a switching position and a flow of the
- Pressure medium from the second pressure chamber locks.
- the object of the invention is based on a
- Compressed air supply through the ventilation opening in dependence on the pressure in the first pressure chamber and / or in dependence on the pressure in the second pressure chamber
- Each of the pressure measuring elements may in particular be a pressure sensor for measuring the pressure in the relevant pressure chamber.
- control device the pressure in the first and / or in the second pressure chamber can be adjusted by discharging or introducing pressure medium.
- the control device advantageously has a control valve that, depending on the pressure in the first pressure chamber and / or the pressure in the second pressure chamber for diverting pressure medium from the first pressure chamber and / or for supplying
- Pressure medium is switchable in the second pressure chamber.
- the control device interrupts the introduction of compressed air when the pressure in the first pressure chamber rises above a first threshold and then releases the discharge of pressure medium from the first pressure chamber.
- the control device may interrupt the introduction of compressed air when the pressure in the second pressure chamber below a second
- control device can further release the introduction of pressure medium in the second pressure chamber.
- control device releases the introduction of compressed air into the container again, when the pressure in the first pressure chamber drops below a third threshold and then blocks the discharge of pressure medium from the first pressure chamber.
- control device can release the introduction of compressed air again when the Pressure in the second pressure chamber rises above a fourth threshold and the
- Control device can then block the introduction of pressure medium in the second pressure chamber.
- 1 to 3 each show a device for conveying viscous material in a schematic representation according to a first, a second and a third embodiment.
- each schematically a device 10, 1 10, 210 for conveying viscous material from a cylindrical container 12 is shown, which has a container bottom 14 and a container bottom 16 extending from the container bottom 14 upwardly.
- the conveying device 10, 1, 10, 210 (identical features are provided with the same reference numerals in all exemplary embodiments) has a follower plate 18, which bears sealed against an inner surface 20 of the container jacket 16 on a surface 22 of the viscous material 26 received in the container interior 24 rests.
- Follower plate 18 has a material outlet opening, not shown, to which a pump is connected, which promotes the viscous material, usually an adhesive or sealant, to an applicator.
- a pump which promotes the viscous material, usually an adhesive or sealant, to an applicator.
- the amount of viscous material in the container 12 decreases, so that the follower plate 18 is gradually moved down to be held in abutment with the surface 22 of the viscous material 26.
- a lowering device 30 which has a support means 32 rigidly connected to the follower plate 18.
- it has two identical double-acting cylinder 34, which are arranged on both sides of the follower plate 18, so that their central axes are in line with the central axis of the follower plate 18.
- the cylinders 34 each have a piston 36, which has a first, upper pressure chamber 38 and a second, lower pressure chamber 40 pressure-tight against each other demarcated.
- a piston rod 42 which is guided out axially sealed from the cylinder 34, wherein both piston rods 42 are rigidly connected to the support means 32 extends.
- Hydraulic fluid into the pressure chambers 38, 40 can be the piston 36 and with them the follower plate 18 move up and down, in particular to follow the decreasing material level in the container 12.
- the first pressure chambers 38 communicate with each other as well as the second pressure chambers 40.
- the first pressure surface 38 respectively facing first effective surface 44 of the piston 36 is smaller than the second pressure chamber 40 facing the second effective surface 46.
- the two pressure chambers 38, 40 results in a resultant force upward, the approximately, with a Tolerance of less than 10%, preferably less than 5%, the weight of the follower plate 18, the support means 32, the piston rods 42 and the piston 36 compensates.
- the follower plate 18 has a ventilation opening 48, via which air and in particular compressed air can be introduced into the container interior 24.
- a ventilation device 50 is provided which has a for
- Vent opening 48 extending compressed air line 52, which is connected to a
- Compressed air system 54 is connected and can be shut off by means of a compressed air valve 56. If the container 12 is emptied, the follower plate 18 must be removed from it for a container exchange. Since this rests close to the inner surface 20, air must be introduced into the container interior via the ventilation opening 48, since otherwise raising the follower plate by means of the lowering device 30 would lead to a lifting of the container 12.
- the introduction of compressed air into the container interior 24 is also used to lift the follower plate 18, since the container interior 24 facing surface is large compared to the effective surfaces 44, 46 of the piston 36 and thus already at low pressure, a large force can be achieved .
- a discharge valve 58 is provided in a line 60 leading to the first pressure chambers 38, which blocks the line 60 in a first switching position and in a second switching position to
- the switching of the diverter valve 58 in the second switching position can for example be done manually, with a control or regulating device blocking the venting of the container interior 24, as long as the diverter valve 58 is in its first switching position.
- the switching of the diverter valve 58 in the second switching position can also be done automatically by a control unit when the conveyor 10 of a delivery mode in which it is ready to promote material 26 from the container 12 in a
- Tank change mode is switched, in which the material delivery
- the line 60 in which the diverting valve 58 is arranged, extends between the two pressure chambers 38, 40.
- the diverting valve 58 is brought into its second switching position, as described in connection with the first exemplary embodiment, FIG. so that a bypass between the pressure chambers 38, 40 is made.
- a check valve 64 is disposed between the diverter valve 58 and each of the second pressure chambers 40.
- Pressure sensor 72 for measuring the pressure in the second pressure chambers 40 provided the measured values are transmitted to a control device not shown.
- To lift the follower plate 18 is by means of
- Ventilation device 50 compressed air introduced into the container 12. With the resulting movement of the follower plate 18 and the piston 36 upward, the pressure in the first pressure chamber 38 increases, while the pressure in the second pressure chamber 40 decreases. As soon as the pressure measured by the first pressure sensor 70 rises above a predetermined first threshold value or the pressure measured by the second pressure sensor 72 drops below a predetermined second threshold value, the control device suppresses the compressed air supply into the container interior 24 and switches a control valve 74 into its in FIG Switching position, derived in the pressure medium from the first pressure chamber 38 and pressure medium is introduced into the second pressure chamber 40.
- the control device switches the control valve 74 back into and out of pressure medium into and out of it the pressure chambers blocking position and releases the compressed air supply into the container interior 24 again. This process is repeated until the follower plate 18 is removed from the container 12.
- the reference numerals 70, 72 in Fig. 3 may alternatively designate pressure switches which, without requiring a separate control device, switch the control valve 74 as described when these threshold values are reached.
- the pressure switches 70, 72 thus combine the functions of a pressure measuring element and a control device with each other.
- the invention relates to a
- Apparatus 10, 1 10, 210 for conveying viscous material 26 from a barrel-like container 12 having a container bottom 14 and a container shell 16 extending upwardly from the container bottom 14, with a follower plate 18 for closing the container 12, which is attached to the
- a diverter valve 58 is provided which, in a first switching position, blocks a line 60 leading from the first pressure chamber 38 and opens the line 60 in a second switching position for diverting pressure medium from the first pressure chamber 38.
Landscapes
- Reciprocating Pumps (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015009130.1A DE102015009130A1 (de) | 2015-07-20 | 2015-07-20 | Vorrichtung zum Fördern von viskosem Material |
PCT/EP2016/060394 WO2017012729A1 (de) | 2015-07-20 | 2016-05-10 | Vorrichtung zum fördern von viskosem material |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3325174A1 true EP3325174A1 (de) | 2018-05-30 |
EP3325174B1 EP3325174B1 (de) | 2019-07-24 |
Family
ID=56026828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16723985.4A Active EP3325174B1 (de) | 2015-07-20 | 2016-05-10 | Vorrichtung zum fördern von viskosem material |
Country Status (6)
Country | Link |
---|---|
US (1) | US20180193871A1 (de) |
EP (1) | EP3325174B1 (de) |
KR (1) | KR102440654B1 (de) |
CN (1) | CN107921466B (de) |
DE (1) | DE102015009130A1 (de) |
WO (1) | WO2017012729A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112718382A (zh) * | 2020-12-08 | 2021-04-30 | 义乌觅昕电子商务有限公司 | 一种智能制造基于液压的鞋底自动定位均匀涂胶装置 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017215706B4 (de) * | 2017-09-06 | 2021-06-10 | TÜNKERS-NICKEL Dosiersysteme GmbH | Verfahren zum automatisierten Anheben einer Fass-Folgeplatte und Pumpeinrichtung |
DE102018104763A1 (de) | 2018-03-02 | 2019-09-05 | Atlas Copco Ias Gmbh | Verfahren zum Entfernen einer Folgeplatte aus einem Behälter |
DE202018104456U1 (de) * | 2018-08-02 | 2019-11-05 | Mwt Ag | Druckbehälter mit Spülvorrichtung |
US10518988B1 (en) * | 2018-08-27 | 2019-12-31 | Integrated Dispense Solutions | Safety mechanism for use with a drum unloader |
DE102019201623A1 (de) * | 2019-02-08 | 2020-08-13 | Henkel Ag & Co. Kgaa | Vorrichtung und Verfahren zum Fördern eines Fluids aus einem Behälter |
CN113120838B (zh) * | 2019-12-30 | 2023-01-06 | 中国石油天然气股份有限公司 | 液态介质传输装置 |
CN111992433B (zh) * | 2020-08-17 | 2022-03-04 | 重庆煜兆耀电子科技有限公司 | 一种可根据胶水粘稠度调整气压的led灯点胶装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60166065A (ja) * | 1984-02-08 | 1985-08-29 | Sharp Corp | 液体吐出装置 |
DE4422606C1 (de) * | 1994-06-28 | 1995-08-17 | Wolfgang Puffe | Verfahren und Vorrichtung zum Schmelzen und Fördern von in einem Faß enthaltenem thermoplastischem Material, insbesondere Heißklebemittel |
JP2001513421A (ja) | 1997-08-07 | 2001-09-04 | レンハルト マシネンンバウ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 二成分からなるシーリングコンパウンドを絶縁板ガラスのエッジ接合部に充填する機械 |
DE102004030654A1 (de) * | 2004-06-24 | 2006-01-19 | Sca Schucker Gmbh & Co. Kg | Vorrichtung zum Fördern von viskosem Material |
KR20080054728A (ko) * | 2006-12-13 | 2008-06-19 | 기아자동차주식회사 | 도장 시스템의 도료 공급장치 |
DE102013020932A1 (de) * | 2013-12-11 | 2014-07-24 | Daimler Ag | Fördereinrichtung zum Fördern eines Fluids |
DE102014011395A1 (de) * | 2014-07-17 | 2016-01-21 | Sca Schucker Gmbh & Co. Kg | Vorrichtung zum Fördern von viskosem Material |
CN204018124U (zh) * | 2014-07-31 | 2014-12-17 | 东莞市戍普电子科技有限公司 | 一种利用气压进行的微孔填充装置 |
-
2015
- 2015-07-20 DE DE102015009130.1A patent/DE102015009130A1/de not_active Withdrawn
-
2016
- 2016-05-10 CN CN201680042027.4A patent/CN107921466B/zh active Active
- 2016-05-10 KR KR1020187001155A patent/KR102440654B1/ko active IP Right Grant
- 2016-05-10 US US15/744,185 patent/US20180193871A1/en not_active Abandoned
- 2016-05-10 WO PCT/EP2016/060394 patent/WO2017012729A1/de active Application Filing
- 2016-05-10 EP EP16723985.4A patent/EP3325174B1/de active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112718382A (zh) * | 2020-12-08 | 2021-04-30 | 义乌觅昕电子商务有限公司 | 一种智能制造基于液压的鞋底自动定位均匀涂胶装置 |
Also Published As
Publication number | Publication date |
---|---|
US20180193871A1 (en) | 2018-07-12 |
EP3325174B1 (de) | 2019-07-24 |
DE102015009130A1 (de) | 2017-01-26 |
KR20180030527A (ko) | 2018-03-23 |
KR102440654B1 (ko) | 2022-09-05 |
CN107921466A (zh) | 2018-04-17 |
CN107921466B (zh) | 2020-04-28 |
WO2017012729A1 (de) | 2017-01-26 |
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