Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
  • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
  • B01F33/80—Mixing plants; Combinations of mixers
  • B01F33/84—Mixing plants with mixing receptacles receiving material dispensed from several component receptacles, e.g. paint tins
• • 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
  • B01F35/715—Feeding the components in several steps, e.g. successive steps
• • 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
  • B01F35/7174—Feed mechanisms characterised by the means for feeding the components to the mixer using pistons, plungers or syringes
• • 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
  • B01F35/881—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise by weighing, e.g. with automatic discharge
• • 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
  • B01F35/8822—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 using measuring chambers of the piston or plunger type
• • 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 present invention relates to a dosing module of pasty products, of the type comprising a deposit of pasty product, provided with pushing means of the pasty product and opening and closing means, adapted to open and close an outlet opening of the cited deposit.
• the present invention also relates to a pasty product mixing system that is constituted from the above modules, and to a method for using the abovementioned dosing module and mixing system.
• the present invention finds particular application, although not exclusive, in the dosing and mixing of dyes for the production of paints.
• the mixture of primary dyes for the preparation of paints is mainly done manually, providing in a container the previously calculated doses of each dye.
• automatic or semi-automatic dosing systems in which, from an upper tank, the dye is poured onto a lower container provided with a load cell which, once it captures a predetermined weight of the dye, orders the closure of a valve of the upper tank to stop the spillage. This operation is repeated for each of the primary dyes to form the mixture with the desired proportions of each of them.
• the present invention is intended to provide a dosing system for pasty ducts that give simultaneous solution to each and every one of these problems and problems.
• a first aspect of the invention is a new dosing module of pasty products, of the aforementioned type, which in essence is characterized in that the reservoir is a hollow prism and the thrust means are constituted by a vertical action piston that it runs with adjustment inside the tank, coaxially therewith, the opening and closing means being constituted by a lower metering valve, whose valve body comprises an interior space of vertical axis that communicates with the tank, the sealing element of the valve a closing head, movable between a maximum opening position and a closing position, in which the major base of the plug is essentially flush with the outlet of the valve, closing the reservoir.
• Said sealing element may be integral with an actuator rod that runs inside said cylindrical interior space of the valve body and which is in turn actuated by a tap, against the action of a spring.
• said closure head is frustoconical and the reservoir is cylindrical.
• the module comprises means of purging the air that is occluded inside the reservoir below the plunger.
• each module comprises air injection means inside the tank, adapted to be able to separate the piston from the bottom of the tank or from the mass of pasty product therein.
• the dosing module of the invention can comprise opening means of a container containing the pasty product located inside the tank.
• said opening means are constituted by a blade, whose cutting edge is located on the edge of a cylinder that at least partially surrounds the outlet opening of said tank.
• a second aspect of the invention is a pasture mixing system, comprising at least one module as described above.
• the system can comprise at least two of the previous modules, consecutively arranged adjacent to a horizontal first plane with their corresponding dosing valves essentially aligned, and a reciprocating vessel movable on guide means, the vessel being adapted to stop under each module and receive a dose of the pasty product contained in the module for the realization of the mixture of pasty products.
• the mixing system comprises means for controlling the movement of the receiving vessel and the corresponding pasty product dosage of each dosing module to be poured into the vessel, depending on predetermined mixing parameters
• said control means they comprise a microprocessor, computer and / or programmable automaton, provided with suitable software for this purpose, and conventional means of user interface, and which act on motor and timer means of the vessel and on the metering valves of each of the dosing modules.
• a method for dosing pasty products is disclosed, to be applied in conjunction with a dosing module or with a mixing system defined above, which comprises the step of arranging a pasty product in a container containing walls.
• Fig. 1 is a sectional view of a valve of the dosing module of the present invention
• Fig. 2 is an elevational and partial sectional view of a preferred embodiment of the dosing module of the present invention
• Fig. 3 is a schematic front elevational view of a pasty product mixer system, constituted from seven modules such as those in Fig. 2
• Fig. 4 is a schematic side elevation view of the dosing system of Fig.
• Fig. 5 is a view analogous to that of Fig. 2, of another embodiment of the module of the invention, with a pasty product container inserted in the tank, in the rest position; and Fig. 6 is a view similar to that of Fig. 5, but in the operative position of the plunger.
• the dosing module 1 of pasty products in question comprises a cylindrical tank 2 of pasty products, for example dyes or paints, and a piston 4, essentially discoidal, for pushing the pasty product 34 located in the tank 2.
• O-rings 19 guarantee the adjustment of the piston 4 inside the tank.
• the piston 4 is actuated vertically along an axis 8, in a manner known per se, by an actuator rod 24, integral therewith and with hydraulic or pneumatic actuation.
• the tank 2 is supported on a lower base 27, connected to an upper support base 28 and guided by the actuator 24 through columns 23.
• the reservoir 2 is open at its lower central part in a mouth 3, crossed by a wall tube 29, at the lower end of which is a manual cutting key 25, followed by a metering valve 5, disposed inside a terminal piece 30
• the valve 5 has a valve body 6 with an interior space 7, whose axis 8 'is in this case illustrated coinciding with the vertical axis 8 of the reservoir 2. This interior space 7 is open to the passage 29 and, through it, inside the tank 2.
• the valve 5 has a sealing element 12 formed by a closure head 9, which is preferably truncated or trumpet-shaped, although it can also be spherical.
• the head 9 is continuously movable between a maximum opening position and a closing position (shown in Fig. 1), in which the major base 11 of the plug 12 is essentially flush with the outlet port 31 of the valve 5, closing the reservoir 2.
• the sealing element 12 is integral with an actuator rod 13, which runs inside said cylindrical interior space 7 of the valve body 6 and which is in turn actuated by a tap 14, against the action of a spring 10.
• the rod 13, and consequently the opening and closing of the valve 5 can be operated mechanically or manually, in this case for example by means of the manual key 25 itself.
• the dosing module 1 of pasty products is provided with means for purging the air that is occluded inside the tank 2 below the piston 4.
• purging means comprise a hydraulic tube 20, connected to a fitting 17 that passes through the piston 4 and is provided with a handwrench 21.
• the tube 20 is connected, upstream of the handwheel 21, with a source of relative vacuum with respect to the internal pressure of the tank 2.
• the module 1 is also provided with air injection means inside the tank 2, adapted to be able to separate the piston 4 from the bottom of the tank or the mass of pasty product in the same.
• These injection means are also provided with an air injector 22 connected to another through-fitting 18 that passes through the piston 4, which allows air to be introduced into the interior of the tank 2 when it is desired to separate the piston 4 that would eventually have been engaged. in the tank 2.
• Figs. 3 and 4 shows a mixer system 100 of pasty products consisting of several, in this case seven, modules 1 described above.
• the modules 1 are arranged consecutively adjacent to a horizontal first plane with their corresponding dosing valves 5 essentially aligned, fixed to a vertical element 32 of a support structure 26.
• the support structure 26 comprises a horizontal table 33, on which guides 16 are arranged for a receiving vessel 15 of the pasty products 34 contained in the modules 1.
• the vessel 15 is provided in its lower part with a load cell 35 (Fig. 4) and has the possibility of stopping under each module 1 and receiving a dose of the pasty product contained in module 1 for the realization of the mixture of pasty products desired.
• the system 100 comprises means for controlling the movement of the receiving vessel 15 and the corresponding pasty product dosage of each dosing module 1 that must be poured into the vessel 15, depending on predetermined mixing parameters
• control means may comprise a microprocessor, computer and / or programmable automaton, and suitable software for this purpose, and conventional means of user interface, which, being widely known in themselves, are not represented or described with more detail.
• control means act on motor and timer means of the vessel and on the metering valves 5 of each of the metering modules 1.
• the operating mode of the dosing and mixing system 100 of pasty products is as follows. With the tanks 2 of the modules 1 totally or partially filled with pasty product, the receiving vessel 15 moves on the guides 16 and stops successively below each of the modules 1 whose product will participate in the desired mixture . This movement of the vessel 15 can be carried out manually or motorized, in this case with stepper motors whose displacement and stop is programmed. Each time it stops under a module 1, the corresponding valve 5 is opened by means of, for example, the manual key 25, whereby the pouring of the dye from the tank 2 in question begins, until the load cell 35 detects that the programmed quantity or an amount sufficiently close to the programmed quantity has been poured, at which time the valve 5 is closed and the discharge of the pasty product is stopped.
• the aforementioned software can take into account the weight of the dye column that remains between the outlet 31 of the valve 5 and the vessel 15, to close it at the right time in order to add the weight of this column to the one detected by the load cell 35 and that the dye dose be the programmed one, within a certain tolerance.
• This operation is repeated iteratively for each of the modules 1 containing dye that participates in the mixture.
• module 1 of the present invention can be seen.
• This module 1 is particularly designed for the implementation of the process of the invention.
• module 1 comprises opening means of a container container 36, of deformable walls, in which the pasty product 34 to be dosed is previously contained, constituted by a blade 37, whose cutting edge 38 is located on the edge of a cylinder that surrounds at least partially the outlet opening 3 of said reservoir 2.
• the blade 37 may take a half-round, or half-bevel shape, for example, and have its upper edge or edge 38 not perpendicular to the axis 8.
• the container 36 which can be a bag, for example of plastic material, with or without seams, or a cardboard container, contains a measured dose of the pasty product to be dosed and is inserted into the tank 2 of module 1 ( Fig. 1).
• the container 36 could also be a cardboard or paper container whose measurements allowed a fit in the prismatic inner walls of the reservoir 2.
• valve design of the valve, and in particular the shape of the sealing element 12, allows the dye dosing with this system not to produce drops around the mouth 31. This in turn allows to significantly decrease the Waste of raw material, and consequently the environmental problems associated with its management as waste, with respect to the prior art.
• the process according to the invention is environmentally efficient, by minimizing waste production. It should be understood that the device of the present invention is applicable to all types of pasty products of similar rheology to that of paints and dyes, these applications being also within the scope of the inventive concept.

Priority Applications (8)

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Citations (4)

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• 2002
  • 2002-07-26 ES ES200201764A patent/ES2211297B1/es not_active Withdrawn - After Issue
• 2003
  • 2003-07-25 AU AU2003254506A patent/AU2003254506A1/en not_active Abandoned
  • 2003-07-25 WO PCT/ES2003/000388 patent/WO2004012853A1/es active IP Right Grant
  • 2003-07-25 EP EP03766418A patent/EP1535659B1/en not_active Expired - Lifetime
  • 2003-07-25 DE DE60311109T patent/DE60311109D1/de not_active Expired - Lifetime
  • 2003-07-25 CN CNA038231832A patent/CN1684756A/zh active Pending
  • 2003-07-25 BR BR0312971-3A patent/BR0312971A/pt not_active Application Discontinuation
  • 2003-07-25 MX MXPA05000937A patent/MXPA05000937A/es not_active Application Discontinuation
  • 2003-07-25 US US10/522,255 patent/US20050189037A1/en not_active Abandoned
  • 2003-07-25 JP JP2004525438A patent/JP2005534034A/ja not_active Withdrawn
  • 2003-07-25 CA CA002493229A patent/CA2493229A1/en not_active Abandoned

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