EP3507236A1 - Fasspumpe mit anpassbarem dichtring der folgeplatte - Google Patents
Fasspumpe mit anpassbarem dichtring der folgeplatteInfo
- Publication number
- EP3507236A1 EP3507236A1 EP17754694.2A EP17754694A EP3507236A1 EP 3507236 A1 EP3507236 A1 EP 3507236A1 EP 17754694 A EP17754694 A EP 17754694A EP 3507236 A1 EP3507236 A1 EP 3507236A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- follower plate
- wiper ring
- wall
- plant section
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 58
- 238000000034 method Methods 0.000 claims abstract description 27
- 230000000694 effects Effects 0.000 claims abstract description 20
- 239000011345 viscous material Substances 0.000 claims abstract description 14
- 230000033001 locomotion Effects 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims abstract description 7
- 239000002699 waste material Substances 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000013022 venting Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 230000000284 resting effect Effects 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000000565 sealant Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000012611 container material Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012812 sealant material Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/58—Arrangements of pumps
- B67D7/62—Arrangements of pumps power operated
- B67D7/64—Arrangements of pumps power operated of piston type
- B67D7/645—Barrel pumps
-
- 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
Definitions
- the invention relates to a method for conveying viscous material according to the preamble of claim 1.
- the wiper ring bears against the inner surface of the container wall and, on the one hand, seals off the interior of the drum from the environment. On the other hand, he wipes when lowering the follower plate on the inner surface of the drum wall adhering material.
- the barrel If the barrel is emptied, it must be replaced with a new, full barrel.
- the follower plate must be moved upwards out of the barrel.
- the interior of the drum In order to be able to move the follower plate upwards in the drum, the interior of the drum must be ventilated, as otherwise a pressure would be created in the drum which prevented it from moving out of the follower plate. This is achieved in previously known devices in that by a ventilation Opening in the follower plate Compressed air is introduced into the drum. Since the follower plate has a large area, an overpressure in the barrel causes a large force on the follower plate. To control the upward movement of the follower plate therefore requires some effort.
- a method of the type mentioned is known.
- a piston acting as a follower plate is introduced into the cylinder space of the barrel and heated, so that it melts in the barrel, to be conveyed material, so that it can be conveyed from the barrel.
- the piston is provided with sealing means, which bear sealingly against a drum wall.
- the sealing means can be expanded in particular by introducing compressed gas. It is provided that the sealing means are expanded to the desired size before the introduction of the piston in the barrel. The sealant remains at this size until it has to be adapted to a drum of a different size.
- DE 201 02 413 U1 can thus contribute nothing.
- the expanded sealant makes it difficult to insert the follower plate into a new, filled barrel.
- the invention is based on the idea to specifically vary the sealing effect of the wiper ring, on the one hand, when the barrel or the container is at least partially filled with viscous material to achieve a good sealing effect, and to prevent the ingress of air into the container and on the other hand to completely or partially cancel the sealing effect when the follower plate is removed from the empty container or to be inserted into a new, full container.
- a bearing portion of the wiper ring which projects radially outwards and is intended to bear against the inner surface of the container wall, can be acted upon by a variable contact pressure for pressing against the inner surface.
- Variable is the contact pressure in the sense that they can assume at least two different values, with one value is a sealing effect, with the other value no or only a small sealing effect is achieved.
- the contact pressure can be discrete or continuously variable. Due to the variation of the contact force according to the invention, with which the plant part is pressed against the inner surface of the container wall, not only the sealing effect of the wiper ring can be varied. Also occurring between the wiper ring and the container wall frictional force can be reduced to remove the follower plate from the container by reducing the contact pressure, whereby the removal of the follower plate from the container is further facilitated.
- the follower plate is first inserted into the container and then pressed the plant section to the inner surface.
- the plant section is first pressed against the inner surface when the follower plate rests on the surface of the material, so that it can be moved so smoothly within the container until the sealing effect is needed.
- the resting of the follower plate on the surface of the material can be advantageously detected by means of a sensor, so that by means of a control device on the basis of a signal of the sensor, the plant section is pressed against the inner surface. This allows automation of the insertion of the follower plate into the container, in which the sealing effect is automatically produced at the right time.
- the follower plate is moved by means of a spindle drive having a lifting device and that the sensor detects a change of the spindle of the spindle drive acting on torque. When the torque increases, the sensor sends a signal to the control device, the pressing of the plant section to the inner surface triggers.
- the follower plate is suspended on a lifting device and the sensor detects a separation of the follower plate from the lifting device. The sensor is then a simple switch, which then switches and forwards its switching signal to the control device when the lifting device continues to move downwards, due to the resting of the follower plate on the material but the latter or a linkage fixedly connected to it at a support point of the lifting device is mechanically separated. It is also possible to switch off the downward movement of the lifting device by triggering the switch.
- compressed air is expediently introduced into a region between the follower plate and the container bottom. This can be done before the sealing effect between the wiper ring and the container wall is released, so that the resulting pressure in the container already raises the follower plate a bit.
- the introduction of the compressed air into the container can also take place simultaneously with the cancellation of the sealing effect between the wiper ring and the container wall.
- a detection device may be present, which detects the type of container and adjusts the contact pressure of the plant section in dependence on the type of container. This takes into account the fact that different containers can be differently stable, so that a high contact pressure for various containers is harmless, but can deform other containers, which is not desirable. On the other hand, it is advantageous to set the contact pressure to achieve a good sealing effect as large as possible.
- the plant section can be withdrawn from the inside of the container wall by reducing the contact pressure.
- the contact pressure is then zero.
- the follower plate can then be removed from the container, the wiper ring ideally not touching the container wall.
- the variation of the contact pressure can be realized in different ways.
- the wiper ring is hollow and has an outer wall enclosing an at least partially encircling cavity.
- the outer wall is expedient in the area of the plant section thicker than in their other areas.
- a ventilation device for the wiper ring is advantageously provided, can be introduced with the air into the cavity or drained from it.
- the wiper ring expands and the contact force with which the abutment portion is pressed against the container wall is increased. If the outer wall in the area of the investment part is thicker, there is more material available there, so that the sealing effect is improved.
- the plant section is movable by acting on the cavity with two predetermined different pressures by means of the loading and venting between a sealing position and a release position. In the sealing position, it lies sealingly against the inner surface of the container wall, while in the release position, the sealing effect is canceled.
- the follower plate may have a wiper ring.
- at least one further wiper ring which is identical to the wiper ring and is arranged at a distance parallel to this.
- a transport device for transporting the container is provided.
- This transport device is used in particular when the lifting device is placed on a building wall, the follower plate is mounted by means of at least one vertically extending support rod to a horizontally extending cross member which mounted at or near a first end to a lifting device for raising and lowering the crossbeam is, while their second end is free and the traverse running in their from the lifting device to the free end
- the transport device Longitudinal extent extending away from the building wall. Then it is possible for the transport device to move the container parallel to the extension of the building. Dewand transported to the follower plate and the emptied container transported away from the follower plate.
- the transport device has a roller conveyor on which the container is set up.
- an automatic control which may be integrated into the already mentioned control device or realized by a separate control unit, after replacement of the emptied container by the filled container as long as material is conveyed via a waste line into a waste container until the measured speed of Delivery piston is in a predetermined tolerance range by a predetermined target speed.
- the subsidized material by measuring the Speed of the delivery piston during the delivery stroke to be checked for the presence of air bubbles.
- FIG. 1 shows a device for conveying viscous material with a follower plate prior to insertion into a container in a schematic sectional view.
- FIG. 2a, 2b the apparatus of Figure 1 with inserted into the container follower plate at the beginning and end of the conveying process.
- FIG. 3a, 3b the device of FIG. 1 with located in the container follower plate in two different positions after the end of the conveying process and
- the device 10 shown schematically in the drawing serves to convey viscous material such as adhesive, sealant or insulating material from a barrel-like container 12.
- the conveyor 10 is not shown in detail, but reduced to the essential components for understanding the invention.
- the container 12 has a substantially cylindrical shape with a container bottom 14 and a container wall 18 which extends upwardly from the container bottom 14 to a container top side 16 and extends all the way round.
- the container 12 is open to the container top side 16.
- the conveyor device 10 has a follower plate 20, which is inserted for conveying the material into the container 12 and rests there on the material surface.
- the follower plate 20 is arranged on a frame not shown in FIG. 1 and can be moved up and down by means of a lifting device 50.
- she has a center on a dome 22 which extends from a bottom lying on the material 24 upwards and opens into a material outlet 26. From the material outlet 26, the material is conveyed by means of a feed pump 40 via a material line to the place of use.
- the follower plate 20 has an encircling wiper ring 28 made of elastically extensible material, in the present case of rubber, which is formed tubular with an outer cavity 32 enclosing an annular cavity 30.
- the outer wall 32 is in its radially outward-facing and outwardly projecting Area thickened to form a plant section 34 which is intended for sealing engagement with an inner surface 36 of the container wall 18.
- the wiper ring 28 expands and the plant section 34 moves radially outward. If the follower plate 20 is inserted into the container 12, the plant section 34 is moved into a sealing position in which it, as shown in Fig. 2a, 2b is pressed by the force exerted by the compressed air in the cavity 30 force against the inner surface 36 and the container interior 38 located under the follower plate 20 seals against the environment.
- a container 12 filled with material is first provided.
- the follower plate 20 is inserted from above through the open container top 16 in the container interior 38, wherein the cavity 30 is vented, so that the diameter of the wiper ring 28 is smaller than the inner diameter of the container 12 (see Fig. 1).
- the follower plate 20 is moved down until its bottom 24 rests on a surface of the material contained in the container 12. This contact is detected by a sensor which sends a signal to a control device, which triggers the introduction of compressed air into the cavity 30.
- the wiper ring 28 increases its diameter, so that the plant section 34 is moved into the sealing position.
- the follower plate 20 is in the position shown in Fig. 2a, in which its underside 24 on the surface of the material rests in the filled container 12.
- the plant section 34 is in its sealing position, so that the wiper ring 28 seals the container interior 38 from the environment.
- the material level decreases and the follower plate 20 is moved down the material level by means of the lifting device in the container 12, whereby the abutment portion 34 slides over the inner surface 36 overcoming a friction force and wipes off adhering material thereon , If the container is completely emptied, then the follower plate 20 is located on the container bottom 14, as shown in Fig.
- a feed pump 40 fixedly connected to the follower plate 20, which serves to convey material from the container 12 via the material outlet 26 into a feed line 42 leading to a processing station.
- the feed pump 40 has a fixed mounted on the follower plate 20 conveyor cylinder 44 and a movable in the delivery cylinder 44, not shown in the drawing delivery piston whose linear motion in the delivery cylinder 44 sucks material through the material outlet 26 in the delivery cylinder 44 and the material the delivery cylinder 44 presses into the delivery line 42.
- a lifting device 50 is provided in the conveyor device 10 according to the invention, in which a horizontally extending cross member 52 in the form of a metal plate its first end 54 is mounted while its second end 56 is free. From the traverse 52 two support rods 58 extend vertically downwards, which carry the follower plate 20.
- the lifting device 50 has a not shown in detail, driven by an electric motor spindle drive for raising and lowering the traverse 52.
- the conveyor device 10 also has a transport device 80, which has a roller conveyor 82 with which the container 12 can be transported in a direction perpendicular to the longitudinal extension of the crossmember 52. In this way, emptied containers 12 can be transported away from the follower plate 20 and full containers 12 can be transported below the follower plate 20. It is also a housing 84 is provided which surrounds the container 12 and the follower plate 20 during insertion of the follower plate 20 in the container 12 and during the conveyance of the material around. The housing 84 has two superimposed, an interior each enclosing enclosing transparent sliding doors 86, 88 which surround the container 12, the follower plate 20 and the feed pump 40 in operation to minimize the risk of injury to operating personnel.
- the upper sliding door 86 is displaceable downwards, while the lower sliding door 88 is displaced upward to allow a container change.
- a control device is provided with the fully automatically a filled container 12 is positioned below the follower plate 20 by means of feed on the roller conveyor 82, with the follower plate 20 is automatically inserted into the container 12, with the follower plate 20 after emptying of the container 12th is automatically removed from this and with the emptied container 12 is automatically removed by means of the transport device 80.
- a sensor 98 detects the correct positioning of the container 12 under the follower plate 20.
- the conveyor device 10 also has a measuring device 90, with which the speed of the delivery piston during the delivery stroke can be measured.
- the measuring device 90 has a displacement measuring unit in the form of an absolute value transmitter 92, the housing of which is mounted on the lifting device 50.
- a fixedly connected to the delivery piston piston rod 94 is led up out of the delivery cylinder 44 and connected by connecting rods 96 rigidly connected to a movable element of the absolute encoder 92.
- the displacement measuring device 90 also has a control unit, not shown, which controls the promotion of the viscous material in dependence on the measured speed of the delivery piston.
- the control unit detects when the measured speed of the delivery piston is outside a tolerance range by a predetermined target speed, which indicates that the consistency of the subsidized material has changed so much that its suitability is in question.
- the control unit switches a valve 100, so that the conveyed material is not conveyed to the processing station, but in a branched off from the feed line 42 waste line 102, which leads to a waste container 104. If the control unit detects that the speed of the delivery piston is within the tolerance range again, it switches the valve 100 again and the viscous material is conveyed again via the delivery line 42 to the processing station.
- the measuring device 90 is intended to prevent material conveyed with air bubbles being conveyed. It can be used in particular when the follower plate 20 has been inserted into a full container 12, in order to convey material into the waste container 104 in an automatic process until it no longer has any air bubbles.
- FIG. 5 the illustration of the measuring device 90, the valve 100, the waste line 102 and the waste container 104 has been omitted for the sake of clarity.
- the invention relates to a device 10 for conveying viscous material from a barrel-like, a container-like material.
- a device 10 for conveying viscous material from a barrel-like, a container-like material.
- the wiper ring 28 has a radially outward conditioning section 34 for abutment with the follower plate 20 facing inner surface 36 of the container wall 18.
- the plant section 34 can be acted upon by a variable contact pressure for pressing against the inner surface 36 of the container wall 18.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reciprocating Pumps (AREA)
- Basic Packing Technique (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016010622.0A DE102016010622A1 (de) | 2016-09-05 | 2016-09-05 | Vorrichtung und Verfahren zum Fördern von viskosem Material |
DE102017100712.1A DE102017100712A1 (de) | 2017-01-16 | 2017-01-16 | Vorrichtung und Verfahren zum Fördern von viskosem Material |
PCT/EP2017/070672 WO2018041628A1 (de) | 2016-09-05 | 2017-08-15 | Fasspumpe mit anpassbarem dichtring der folgeplatte |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3507236A1 true EP3507236A1 (de) | 2019-07-10 |
EP3507236B1 EP3507236B1 (de) | 2020-10-14 |
Family
ID=59677226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17754694.2A Active EP3507236B1 (de) | 2016-09-05 | 2017-08-15 | Fasspumpe mit anpassbarem dichtring der folgeplatte |
Country Status (5)
Country | Link |
---|---|
US (1) | US11034575B2 (de) |
EP (1) | EP3507236B1 (de) |
KR (1) | KR102409581B1 (de) |
CN (1) | CN109641735B (de) |
WO (1) | WO2018041628A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017100712A1 (de) * | 2017-01-16 | 2018-07-19 | Atlas Copco Ias Gmbh | Vorrichtung und Verfahren zum Fördern von viskosem Material |
DE102016125207A1 (de) * | 2016-12-21 | 2018-06-21 | Atlas Copco Ias Gmbh | Vorrichtung zum Fördern von viskosem Material |
US10518988B1 (en) * | 2018-08-27 | 2019-12-31 | Integrated Dispense Solutions | Safety mechanism for use with a drum unloader |
CN116510972B (zh) * | 2023-04-26 | 2023-11-07 | 苏州伟志水处理设备有限公司 | 一种水处理分离膜加工设备 |
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DE102016125207A1 (de) | 2016-12-21 | 2018-06-21 | Atlas Copco Ias Gmbh | Vorrichtung zum Fördern von viskosem Material |
DE102017000047A1 (de) | 2017-01-05 | 2018-07-05 | Atlas Copco Ias Gmbh | Vorrichtung zum Fördern von viskosem Material |
JP6974763B2 (ja) | 2017-02-28 | 2021-12-01 | 株式会社スリーボンド | 粘性材料供給装置、粘性材料供給装置に用いられる被覆シート、粘性材料供給方法及び被覆シートの取り付け方法 |
DE102017105533A1 (de) | 2017-03-15 | 2018-09-20 | Udo Tartler | Vorrichtung zum Evakuieren eines Behälters mit pastöser Flüssigkeit |
JP7176853B2 (ja) | 2018-04-11 | 2022-11-22 | トヨタ自動車株式会社 | 流体圧送装置 |
US10486958B1 (en) | 2018-08-27 | 2019-11-26 | Integrated Dispense Solutions | Follower plate geometry |
-
2017
- 2017-08-15 WO PCT/EP2017/070672 patent/WO2018041628A1/de active Application Filing
- 2017-08-15 US US16/325,459 patent/US11034575B2/en active Active
- 2017-08-15 KR KR1020197006318A patent/KR102409581B1/ko active IP Right Grant
- 2017-08-15 EP EP17754694.2A patent/EP3507236B1/de active Active
- 2017-08-15 CN CN201780053973.3A patent/CN109641735B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
KR102409581B1 (ko) | 2022-06-15 |
US11034575B2 (en) | 2021-06-15 |
CN109641735B (zh) | 2021-04-30 |
KR20190042019A (ko) | 2019-04-23 |
CN109641735A (zh) | 2019-04-16 |
US20190210865A1 (en) | 2019-07-11 |
WO2018041628A1 (de) | 2018-03-08 |
EP3507236B1 (de) | 2020-10-14 |
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