EP0870960A2 - Dispositif d'accouplement pour une vanne de régulation dans une installation de dosage pour plusieurs composants - Google Patents

Dispositif d'accouplement pour une vanne de régulation dans une installation de dosage pour plusieurs composants Download PDF

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Publication number
EP0870960A2
EP0870960A2 EP98106003A EP98106003A EP0870960A2 EP 0870960 A2 EP0870960 A2 EP 0870960A2 EP 98106003 A EP98106003 A EP 98106003A EP 98106003 A EP98106003 A EP 98106003A EP 0870960 A2 EP0870960 A2 EP 0870960A2
Authority
EP
European Patent Office
Prior art keywords
coupling
valve
control valve
coupling device
metering
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
Application number
EP98106003A
Other languages
German (de)
English (en)
Other versions
EP0870960A3 (fr
EP0870960B1 (fr
EP0870960B3 (fr
Inventor
Werner Fricke
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.)
Fricke Abfuelltechnik & Co GmbH
Original Assignee
Fricke Abfuelltechnik & Co GmbH
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
Priority claimed from DE19714328A external-priority patent/DE19714328C1/de
Application filed by Fricke Abfuelltechnik & Co GmbH filed Critical Fricke Abfuelltechnik & Co GmbH
Publication of EP0870960A2 publication Critical patent/EP0870960A2/fr
Publication of EP0870960A3 publication Critical patent/EP0870960A3/fr
Publication of EP0870960B1 publication Critical patent/EP0870960B1/fr
Application granted granted Critical
Publication of EP0870960B3 publication Critical patent/EP0870960B3/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/71805—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/80—Forming a predetermined ratio of the substances to be mixed
    • B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
    • B01F35/882—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise using measuring chambers, e.g. volumetric pumps, for feeding the substances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/30—Mixing paints or paint ingredients, e.g. pigments, dyes, colours, lacquers or enamel

Definitions

  • the invention relates to a coupling device for a control valve in a multi-component dosing system a variety of metering valves.
  • liquid mixtures such as perfumes, Aromas, colors or the like, consisting of a variety different components
  • Dosing systems up to 500 individual dosing valves.
  • the Arrangement of the metering valves in the metering system is circular, linear or also freely selectable, however by the Dimension of the containers to be filled limited.
  • the control valves of the metering valves are either directly on the individual dosing valves or in a separate one Control cabinet housed.
  • the direct attachment of the Control valves on associated metering valves is due to Space problems are often not possible.
  • the placement of the Control valves in a control cabinet is particularly useful for Plants required that meet the special requirements of the Subject to explosion protection.
  • the control valves are in an explosion-protected area of the control cabinet arranged and each with a separate electrical Wiring and complex hoses with the respective metering valve connected. Multiple hoses become too summarized in a bundle, whereby the clarity in the dosing system is adversely affected.
  • DE 37 09 554 A1 describes a device for continuous dosing and mixing of liquid mixtures known in various mixing containers, in which a separate dosing device for each liquid component with a dosing cylinder and two assigned to the Dosing cylinder switching control cylinders is provided.
  • a separate dosing device for each liquid component with a dosing cylinder and two assigned to the Dosing cylinder switching control cylinders is provided.
  • Such a metering device is due to its large size Space requirement only for use in dosing systems for manufacturing of liquid mixtures from a few components.
  • the coupling device for the Control valve is only a single switching element for everyone Dosing valves required because during the mixing process Liquid mixture using the vehicle's coupling device the coupling piece belonging to the control valve one after the other moves the position of the coupling counterpart, which the Assigned metering valve specified by the recipe program and there in the coupling position the control valve with the corresponding metering valve is connected so that Control valve the metering valve from the closed position to the Delivery position switches.
  • the coupling piece from the actuator across the lane with the respective Coupling counterpart brought into cover.
  • All metering valves are in the uncoupling position closed and in the various coupling positions of the Control valve is connected to each predetermined metering valve to be switched in the delivery position.
  • the easily detachable connection between the control valve and the specified metering valve based on the invention Coupling device allows the number of control means in the dosing system to significantly reduce what is happening advantageous in less installation effort and affects lower costs.
  • the guide for the vehicle of the coupling device is expediently a preferably horizontal rail that runs along the roadway has holes arranged in series.
  • the coupling device are the coupling counterparts directly on the on the Dosing valves arranged on the coupling side of the rail fixed and with the end bodies of the metering valves coupled.
  • the control valve preferably one Solenoid valve, which is the one to be opened Dosing valve from the closed position to the delivery position switches.
  • a solenoid valve as a control valve use its movable anchor as a coupling counterpart firmly connected to the closing body of the metering valve and whose coil is arranged on the coupling piece.
  • the dosing valve is switched off by means of a solenoid valve the initial closed position in the delivery position switched by turning on the coil current, whereby the anchor is pulled towards the coil and at the same time the Closing body releases the discharge opening of the metering valve.
  • the armature is replaced by a Return spring in the closed position of the metering valve brought back and held there so that the final body closes the dispensing opening.
  • the anchor is advantageously on the coupling side as one Plate trained. To the metering valve from the It is to switch the closed position to the delivery position sufficient if the two coupling parts predominate The parts are congruent. This will Inaccuracies when positioning the vehicle when Coupling counterpart of the specified metering valve balanced.
  • the coupling counterpart coupling side as one with a cavity in the coil in the Coupling cooperating pin formed so that in the coupling position of the coupling device armature and coil form a positive hole-pin connection.
  • the compressed air lines of saved the rail to the metering valves It will only be a product line to each storage container is required because that Control valve and the metering valve both the same valve body to have. As a result, the installation effort is considerable lowered.
  • the reduction in the number of lines laid contributes significantly to the clarity in the dosing system because the existing lines correspond to the corresponding ones Dosing valves can be assigned directly.
  • the coupling piece has several arranged side by side and / or one behind the other Through lines, each with a connection on the input side for a pressure line to a control valve.
  • the Coupling position overlaps the coupling piece several or holes arranged in several rows in the rail, so that the Through lines in the coupling piece attach themselves to the holes Connect the coupling counterparts and one each continuous connecting line from the control valves to the Dosing valves are created.
  • the doses different Liquid components are made without the Vehicle must be moved. This will make the Cycle times between the individual doses reduced.
  • the manufacture of the coupling device is simple and the assembly of the Make coupling device easily and safely. Farther becomes a simple, reliable control of the individual Dosing valves reached through the one control valve.
  • the main advantage of the invention is that all Dosing valves only by a control valve, preferably a Solenoid valve. Only if in the same Position of the coupling device on the guide several Dosing valves are controlled, the coupling piece assigned several control valves.
  • a multi-component dosing system (10) as schematically in 10 and 11 are shown from many different Individual components of existing liquid mixtures produced, for this are in the longitudinal direction (L) on a frame (50) the dosing valves (DV) with their component supply line (8) to a reservoir (VB) from the liquid component set in series.
  • the frame (50) has a horizontal, guide (5) extending in the longitudinal direction (L), preferably a rail, for a vehicle (4) of a coupling device (1) (see FIGS. 1a, 4a, 6a and 9) of the control valve (SV).
  • the rail (5) are perpendicular to the road Through holes (11, 12) as holes (11, 12) in preferably two parallel rows evenly to each other spaced, each through hole (11, 12, 17) on the the vehicle (4) facing the coupling device (1) Coupling side (KS) opposite long side (Connection side) (AS) of the rail (5) a connection (6) for a liquid or pressure line (8, 18) of the associated Dosing valve (DV).
  • KS Coupling side
  • AS Connection side
  • the coupling device On the coupling side of the rail (5) is for each dosing valve (DV) with a coupling piece (3) the coupling device (1) cooperating Coupling counterpart (2) provided.
  • the coupling device (1) (according to Fig. 1a, 4a, 6a and 9) consists of a vehicle (4) mounted on the rail (5) with a lifting cylinder (14) as an actuator for the coupling piece (3), which when coupling from the lifting cylinder (14) in the direction of the road to the coupling counterpart (2) of the metering valve (DV x ) to be switched.
  • the vehicle (5) of the coupling device (1) is a foreign or self-propelled carriage (4).
  • This sledge (4) has an almost C-shaped cross section with inner walls on the Do not use a groove running in the axial direction Groove for the rail (5).
  • On the rail (5) mounted slide (4) results between the Coupling side of the rail (5) and the inner cover wall of the Leave a space from the C-profile in which the Coupling piece (3) on the one in a hole in the web Piston rod (15) of the lifting cylinder (14).
  • the lifting cylinder (14) is preferably operated pneumatically, for which purpose the lifting cylinder (14) is connected to a compressed air network of the metering system (10) via a compressed air line (16).
  • the lifting cylinder (14) is pressurized, whereby the piston rod (15) is extended against the spring force of a return spring (RF) arranged in the piston chamber of the lifting cylinder (14) in the working position in order to move the coupling piece (3). bring it into contact with the coupling counterpart (2).
  • RF return spring
  • the coupling piece (3) and coupling counterpart (2) connect the control valve (SV) to the respective metering valve (DV X ) in order to switch it from the closed position (S0) to the delivery position (S1).
  • the return spring of the lifting cylinder (14) causes it to be held in its end position in which the coupling piece (3) is spaced from the coupling counterpart (2).
  • the coupling device (1) can be moved along the rail (5) to another location in order to be able to dose another liquid component with the aid of a further metering valve (DV x ).
  • the various liquid components are each connected via the connected dosing valve (DV) dispensed in a controlled manner into a mixing container (MB) positioned below the metering valves (DV) on a weighing vehicle (20).
  • a mixing container MB
  • the slide (5) is rigidly connected to the weighing vehicle (20).
  • each of the two vehicles (4, 20) can also have its own drive.
  • the weighing vehicle (20) with the mixing container (MB) is always positioned at the location of the frame (50) at which the dispensing opening of the metering valve (DV x ) is located, which is then switched on .
  • the various metering valves (DV) are arranged as space-saving units in the longitudinal direction (L) of the frame (50), it being expedient to determine the distance between the individual metering valves (DV ) to be kept low in order to meter several liquid components in succession in the same position of the weighing vehicle (20) with mixing container (MB) without moving the weighing vehicle (20).
  • the coupling devices (1) for the control valve (SV) shown in FIGS. 1 to 6 have as the coupling piece (3) a coil (S) which is fixed to the coupling-side end of the piston rod (15) of the lifting cylinder (14).
  • the metering valves (DV) are arranged in a single row on a longitudinal side (coupling side) (KS) of the rail (5) facing the carriage (4), the coupling counterparts (2) each having an armature (A) interacting with the coil (S), which are connected to the closing body (AK) of the metering valve (DV) associated with the coupling counterpart (2).
  • the coupling device (1) from the armature (A) and the coil (S) provides a control valve (SV) as a switching element for the metering valve (DV x ) to be opened in a multi-component metering system (10) in the form of a Solenoid valves (MV), both valves (SV, DV X ) have a common, liquid-flowed valve body (VK).
  • the functions of the control valve (SV) and a metering valve (DV x ) are combined in the solenoid valve (MV).
  • the rail (5) has in pairs for each metering valve (DV), side by side through holes (11, 12) each with a connection (6, 7) for liquid lines (8, 9), namely for an input-side component feed line (8) from Reservoir (VB) to the valve body (VK) and for one component derivatives (9) on the outlet side from the valve body (VK) in the mixing container (MB).
  • the metering valves (DV) are designed as plate valves, the closing body (AK) formed by a valve plate being arranged on the rail side on the armature (A) movably guided in the valve body (VK).
  • a return spring presses the closing body (AK) against the opening of the component discharge line (9) and blocks it against the liquid flow.
  • the two component lines (8, 9) are continuously connected to each other via the valve body (VK).
  • Fig. 4a and 4b show the selected metering valve (DV x ) in the closed position (S0), all other metering valves (DV) in the metering system (10) are also closed because the coupling device (1st ) is in the uncoupling position (P0) and the control valve (SV) for the metering valves (DV) is broken down into its individual components (S, A).
  • the armature (A) of the coupling counterpart (2) is spaced from the coil (S) of the coupling piece (3).
  • the delivery process can be initiated by coupling the coupling device (1) and switching the metering valve (DV x ) or the carriage (4) with the coupling piece (3) is positioned at the next metering valve (DV) to be switched.
  • FIG. 3 and 5 show the coupling device (1) in the coupling position (P1) and the metering valve (DV x ) selected according to the recipe program in the delivery position (S1).
  • the lifting cylinder (14) is extended in the working position so that the coupling piece (3) with the coil (S) and the coupling counterpart (3) cooperate with the internal armature (A).
  • the control valve (SV) assembled in the form of an electrically operated solenoid valve (MV), so that the associated metering valve (DV X ) for metering and mixing the selected component can be activated to supply the liquid via the component supply line (8) after passing the valve body (VK) via the component discharge line (9) to a mixing container (MB), such as a container, positioned below the metering valve (DV x ).
  • MV electrically operated solenoid valve
  • the control valve (SV) is switched directly by an electrical control signal.
  • the movable armature (A) is pulled in the direction of the coil (S), as a result of which the closing body (AK) is lifted from its valve seat (VS) in the valve body (VK).
  • the dosing valve (DV X ) is in the delivery position (S1).
  • FIG. 1a, 1b, 2 and 3 show a first embodiment of the Coupling device (1) whose coupling piece (3) and Coupling counterpart (2) on the coupling side a flat surface have in the coupling position (P1) against each other or lie on one another.
  • coupling counterpart (2) belongs in each case a multi-part, anti-magnetic housing, which consists of a Sealed cover (21) and one in the valve body (VK), used lower part (22) with an inner axial Guide for the anchor (A) is assembled.
  • the anchor (A) of the coupling counterpart (2) is on its coupling side Plate-shaped end.
  • the stroke of the armature (A) is up the coupling side through the cover (21) and on the other Side through the valve seat (VS) for the closing body (AK) limited.
  • the anchor is in the interior of the valve body (VK) (A) through a bellows (13) or a membrane against that sealed liquid medium.
  • the coupling piece (3) is designed as a pot.
  • the coupling piece (3) In the coupling position (P1), the coupling piece (3) is placed on the coupling counterpart (2) in the form of a docking pin with the rod-shaped, movable armature (A).
  • the control valve (SV) assembled in the form of an electrically operated solenoid valve (MV) and can be directly switched by an electrical control signal in order to bring the selected metering valve (DV x ) into the delivery position (S1).
  • the coil current is switched on, the movable armature (A) is drawn into the coil (S) and the closing body (AK) is lifted off the valve seat (VS) (cf. FIG. 5).
  • FIG. 6a to 9 show a third embodiment of the Coupling device (1) for multi-component dosing systems (10) on the frame (50) in the longitudinal direction (L) the vertical Dosing valves (DV) are set in two parallel rows. There is also a horizontal on the side of the frame (50) Rail (5) with two parallel rows, evenly spaced holes (Through holes) (17) attached. The coupling counterparts (2) correspond to a defined section on the road the rail (5) arranged. On the connection side (AS) of the Rail (5) begins at each through hole (17) Compressed air discharge (18) to the associated metering valve (DV) in the form of a pneumatically operated dosing cylinder (DZ).
  • DZ pneumatically operated dosing cylinder
  • the coupling piece (3) is designed such that in Coupling position (P1) their through line (s) (27) with the Cover the through hole (s) (17) in the rail (5) a continuous pressure line (18, 19) from the control valve (SV) to the dosing cylinder (DZ) is generated.
  • a continuous pressure line (18, 19) from the control valve (SV) to the dosing cylinder (DZ) is generated.
  • To seal against the Environment is at the coupling piece (3) around the opening of the Through line (s) (27) one sealing ring (D) each fixed.
  • Fig. 7 shows the coupling device (1) with a Coupling piece (3) for a control valve (SV) in the Decoupling position (P0), in the carriage (22) to one location of the rail (21) specified by the recipe program moved to dispense the desired liquid component can be. All dosing cylinders (DV) are in Closed position (S0). A return spring (RF) in the Dosing cylinder (DZ) keeps the piston rod in the zero position, which is why the bottom discharge nozzle from the end body (AK) is closed.
  • SV control valve
  • P0 Decoupling position
  • All dosing cylinders (DV) are in Closed position (S0).
  • a return spring (RF) in the Dosing cylinder (DZ) keeps the piston rod in the zero position, which is why the bottom discharge nozzle from the end body (AK) is closed.
  • the coupling piece (3) In the coupling position (P1), the coupling piece (3) is pressed non-positively against the rail (5) by the lifting cylinder (14), so that the through line (27) of the coupling piece (3) is congruent over the through hole (17) in the rail ( 5) lies and the compressed air supply line (19) from the control valve (SV) to the coupling piece (3) and the compressed air discharge line (18) from the coupling counterpart (2) to the metering valve (DV X ) a continuous connecting line as the compressed air line (18, 19) from the Form the control valve (SV) to the metering valve (DV 1 ).
  • the control valve (SV) is actuated by an impulse, whereby the dosing cylinder (DZ X ) connected to the control valve (SV) is brought from the closed position (S0) to the delivery position (S1).
  • the dosing cylinder (DZ x ) is controlled by a pressure pulse triggered by the control valve (SV), so that its piston rod is retracted from the zero position against the spring force of the return spring. Then the liquid component is dosed into the mixing container (MB) via the dispensing nozzle until the specified amount has been reached according to the recipe program.
  • the coupling device (1) acc. Fig. 9 has a coupling piece (3) with four through lines (27), which enables the sequential activation of four different metering cylinders (DZ) with the help of different control valves (SV) at one location of the coupling device (1) on the rail (5).
  • the coupling piece (3) In the coupling position (S1), the coupling piece (3) is pressed onto the rail (5) so that the four through lines (27) are congruent with the four through bores (17). Then a compressed air line (18, 19) is assembled between the control valves (SV) and the metering cylinders (DZ).
  • One of the control valves (SV) as a pressure or vacuum solenoid valve (MV) is switched according to the recipe program, whereby the associated metering cylinder (DZ X ) is activated.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Multiple-Way Valves (AREA)
  • Accessories For Mixers (AREA)
EP98106003A 1997-04-08 1998-04-02 Installation de dosage pour plusieurs composants avec dispositif d'accouplement Expired - Lifetime EP0870960B3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19714328 1997-04-08
DE19714328A DE19714328C1 (de) 1997-04-08 1997-04-08 Andockvorrichtung für ein Produktstrom-Steuerungsventil
DE29802741U 1998-02-18
DE29802741U DE29802741U1 (de) 1997-04-08 1998-02-18 Kupplungsvorrichtung für Dosierventile

Publications (4)

Publication Number Publication Date
EP0870960A2 true EP0870960A2 (fr) 1998-10-14
EP0870960A3 EP0870960A3 (fr) 2000-09-27
EP0870960B1 EP0870960B1 (fr) 2003-01-15
EP0870960B3 EP0870960B3 (fr) 2010-02-10

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ID=26035554

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Application Number Title Priority Date Filing Date
EP98106003A Expired - Lifetime EP0870960B3 (fr) 1997-04-08 1998-04-02 Installation de dosage pour plusieurs composants avec dispositif d'accouplement

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EP (1) EP0870960B3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003047737A1 (fr) * 2001-12-03 2003-06-12 Bayer Materialscience Ag Procede et dispositif de dosage continu d'au moins deux composantes liquides d'un melange
CN110748657A (zh) * 2019-11-22 2020-02-04 宝应仁恒实业有限公司 一种电磁驱动开关阀

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3709554A1 (de) 1986-04-10 1987-10-15 Otting Int Inc Verfahren und vorrichtung zum dosieren und mischen von fluessigfarbstoffen
DE9209384U1 (de) 1992-07-14 1992-09-24 DEUTSCHE TECALEMIT 2000 GMBH, 33659 Bielefeld Abgabeeinrichtung für Flüssigkeiten, insbesondere Mineralölprodukte

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0099252A2 (fr) * 1982-07-09 1984-01-25 INTERNATIONAL PAINT public limited company Appareil pour préparer des mélanges de fluides
IT1210567B (it) * 1987-04-22 1989-09-14 Color Service Srl Impianto di pesatura automatica per coloranti in polvere.
US5039061A (en) * 1990-01-26 1991-08-13 John H. Carter Co., Inc. Magnetically actuated linear valve operator and method
BR9404699A (pt) * 1993-03-23 1999-06-15 Fluid Management Lp Aparelho para distribuir uma quantidade alvo de um material a um receptáculo
IT1267194B1 (it) * 1994-12-07 1997-01-28 Dromont S R L Dispositivo miscelatore di fluidi, in particolare vernici o inchiostri industriali

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3709554A1 (de) 1986-04-10 1987-10-15 Otting Int Inc Verfahren und vorrichtung zum dosieren und mischen von fluessigfarbstoffen
DE9209384U1 (de) 1992-07-14 1992-09-24 DEUTSCHE TECALEMIT 2000 GMBH, 33659 Bielefeld Abgabeeinrichtung für Flüssigkeiten, insbesondere Mineralölprodukte

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003047737A1 (fr) * 2001-12-03 2003-06-12 Bayer Materialscience Ag Procede et dispositif de dosage continu d'au moins deux composantes liquides d'un melange
US6921000B2 (en) 2001-12-03 2005-07-26 Bayer Aktiengesellschaft Process and apparatus for dispensing fluids
CN110748657A (zh) * 2019-11-22 2020-02-04 宝应仁恒实业有限公司 一种电磁驱动开关阀

Also Published As

Publication number Publication date
EP0870960A3 (fr) 2000-09-27
EP0870960B1 (fr) 2003-01-15
EP0870960B3 (fr) 2010-02-10

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