WO2012014023A1 - Appareil pour le dosage et la distribution de produits de peinture - Google Patents

Appareil pour le dosage et la distribution de produits de peinture Download PDF

Info

Publication number
WO2012014023A1
WO2012014023A1 PCT/IB2011/001063 IB2011001063W WO2012014023A1 WO 2012014023 A1 WO2012014023 A1 WO 2012014023A1 IB 2011001063 W IB2011001063 W IB 2011001063W WO 2012014023 A1 WO2012014023 A1 WO 2012014023A1
Authority
WO
WIPO (PCT)
Prior art keywords
delivery
basket
software
metering
painting
Prior art date
Application number
PCT/IB2011/001063
Other languages
English (en)
Inventor
Carlo Desinano
Original Assignee
Tecmec S.R.L.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tecmec S.R.L. filed Critical Tecmec S.R.L.
Priority to EP11728663.3A priority Critical patent/EP2598233B1/fr
Publication of WO2012014023A1 publication Critical patent/WO2012014023A1/fr

Links

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
    • B01F33/841—Mixing plants with mixing receptacles receiving material dispensed from several component receptacles, e.g. paint tins with component receptacles fixed in a circular configuration on a horizontal table, e.g. the table being able to be indexed about a vertical axis
    • 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
    • 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 an apparatus for metering and delivering painting products.
  • the subject matter of the present invention is an automatic metering apparatus delivering fluid products, in a sequential manner and by gravimetric control.
  • This operation is based on an interaction between data detected in a continuous manner by an electronic balance and the opening and closing of a sliding device.
  • the apparatus according to the present invention is adapted to deliver a lot of different painting products, either of an aqueous or other solvent type, and highly concentrated dyes or pigments, both in the automotive finishing field, and in decorating paintings application.
  • the paint material market is a quickly changing one, and this is due to the use of minimally noxious substances, in particular water based paints, and owing to a technology reducing as far as possible the paint amount to be used, by means of very concentrated painting products.
  • an excessive handling of the fluid within storing and transport places may negatively affect the molecular binding stability, thereby undesirably altering the characteristics of the prepared paint materials.
  • the aim of the present invention is to provide such an apparatus adapted to overcome the above mentioned prior art drawbacks.
  • a main object of the invention is to provide such an apparatus assuring a very accurate metering, even for very small amounts of the metered painting product.
  • Another object of the present invention is to provide such an apparatus in which the painting products are not compelled to be driven through long conveying path lengths.
  • Another object of the present invention is to provide such an apparatus in which the painting products, are not subjected to excessive handling operations, in order not to alter their molecular binding consistency.
  • Yet another object of the present invention is to provide such an apparatus which, owing to its specifically designed constructional features, is very reliable and safe in operation.
  • an apparatus for metering and delivering painting products characterized in that said apparatus comprises at least a delivery head comprising a plurality of basket assemblies, each holding a painting product and comprising a sliding metering valve, said basket assemblies being supported by a rotary supporting disc so as to be brought to an aligned relationship, one at a time, to a delivery point thereat a delivery unit designed for allowing the basket assembly contents to be delivered in a metered manner to a collecting vessel is provided, said collecting vessel being arranged on a balance coupled to a computer, controlling said delivery unit and basket assembly at said delivery point.
  • Figure 1 is a front elevation view of the paint products metering and delivering apparatus according to the present invention
  • Figure 2 is a top plan view of the inventive apparatus
  • Figure 3 is a perspective view of a side of the inventive apparatus showing a delivery head thereof;
  • Figure 4 is a perspective view of a delivery valve
  • Figure 5 is a further perspective view, on an enlarged scale with respect to figure 4 showing a body of the delivery valve
  • Figure 6 is . a longitudinally cross-sectioned elevation view of a basket assembly
  • Figure 7 is a top plan view of the above basket assembly
  • Figure 8 is an elevation view of a basket assembly engaged in a delivery central point
  • FIGS 9-14 schematically show a basket assembly engaged at said delivery point during a sequence of painting product delivery operations.
  • the painting product metering and delivering apparatus which has been generally indicated by the reference number 1, comprises two painting product delivery heads, respectively indicated by the reference numbers 101 and 102, which are arranged in a body 110 within spaces or chambers which are closed at a top thereof by a respective gate element 9, driven by a driving knob 10.
  • a personal computer (PC) 2 including a keyboard 3 for controlling the apparatus is arranged on said body 110 .
  • three delivery points are defined: a central delivery point 4 and two side delivery points respectively indicated by the reference numbers 4a and 4b.
  • Said delivery points 4, 4a and 4b are arranged at a central bench 5 supporting a motor driven carriage 6.
  • a balance 8 On said motor driven carriage 6 is arranged a balance 8 in turn supporting a vessel 7 formed by a tin for collecting the delivered paint.
  • each said delivery head 101 and 102 comprises a turning or rotary disc 11 thereon are radially arranged basket assemblies 13, each of which comprises a respective metering valve 15.
  • the rotary disc 11 is rotatively driven by a rotary motor 12.
  • the rotary movement may be a bidirectional rotary movement, both in the clockwise and anticlockwise direction.
  • the rotary movement of the disc 11 is controlled by a controlling software through a locating sensor 16.
  • Said locating sensor 16 transmits to the software the positional information of each said basket assembly 13 with respect to a delivery central point 21.
  • Said delivery central point 21 is provided in each said delivery head 101 and 102 and controls the painting product amount to be delivered for each said basket assembly.
  • Said delivery central point 21 is controlled by software through a plurality of sensors.
  • Each delivery head further comprises a circular rack 14 engaging a pinion 41 provided in each said basket assembly.
  • the apparatus further comprises a direct delivery device, including a metering valve 15 coupling, without any long fluid conveying path arrangements, the storing place or zone 21, that is the basket assembly, to the delivery place or zone.
  • the delivery occurs by a free fall phenomenon, due to the fluid gravity, through the operation, that is opening and closure, of the device.
  • Said metering valve 15 comprises a metering valve shaped body 34 thereon a slide member 33 is slidably driven.
  • the metering valve 15 is tightly coupled by a coupling template 30 formed in said body 34 and to which a sealing gasket is applied, said sealing gasket being in the form of a sealing paste having specifically designed physical and chemical characteristics .
  • Said template comprises two barriers defining a channel providing a third barrier between the metering valve body 34 and the flat surface of said slide 33.
  • Said gasket also allowing a lubricating operation to be performed between said slide 33 and body 34, as the painting product is delivered or stored for a long time.
  • Said slide 33 is rigid with a drawing element 35 and movable against a pair of pulling springs 38 fixed to said body 34.
  • a reed spring 32 is moreover threaded to said slide 33 by a self threading screw 31.
  • Said delivery valve 15 is rigid with the basket assembly 13 which comprises a basket element 36 closed by a closing cover 39 supporting a shaft 37 extending within said basket 36.
  • Said shaft 37 comprises one or more fans 43 and is driven by said pinion 41, which in turn is driven by the circular rack 14.
  • the delivery valve 15 of each said basket assembly 13 is susceptible to interact with the delivery central point 21 of each said delivery head 101, 102.
  • Said delivery central point 21 comprises a large solenoid element 51 fixed to a bracket 55 and controls the movement of a fork 52 supporting a small solenoid element 54.
  • the small solenoid element 54 controls in turn a latching pin 53, and is associated with a sensor 56.
  • Said delivery central point or unit 21 further comprises a bottom microswitch 57 and a top microswitch 58.
  • the basket assembly is made of plastics and metal material components.
  • the delivery operating sequence After a preliminary presetting of the apparatus, including the filling-in of the basket by the respective painting or die materials and the connection of the apparatus to the PC, the delivery operating sequence . will be as follows.
  • an empty tin 7 is arranged on the balance 8 under the metering central point 4.
  • the software will rotatively drive the disc 11 so as to bring, one after the other, to the metering points 4a and 4b the basket assemblies 13 related to the required formula.
  • the large solenoid element 51 of the delivery central point or unit 21 is electrically actuated by performing an upward directed linear movement of the fork element 52.
  • the motor driven carriage or slide 6 will drive or displace the tin 7 to the metering points 4a and 4b.
  • the related basket assembly 13 Upon detecting by the software the position required by the formula, the related basket assembly 13 will be located at the head delivery central point or unit 21.
  • each basket assembly 13 is controlled by the locating sensor 16 which will also manage a "zero" point and the rotary direction of the rotary disc 11.
  • the "zero" point of the rotary disc 11 has been defined as a half of the angular distance between the two first basket assemblies 1 and 2, and represents a standby function or operation of the subject apparatus.
  • Said half angular distance has been selected at said delivery central point or unit 21.
  • each basket assembly 13 is partially stirred .
  • Said shaft is rotatively driven by the respective driving pinion 41 meshing with the circular rack 14.
  • the painting product delivery sequence is schematically shown in figures 9-14.
  • Figure 9 the basket assembly 13 is arranged at the delivery unit or central point 21, i.e. it is aligned therewith.
  • Figure 10 the large solenoid element 51 is downward driven.
  • Figure 11 the small solenoid element 54 is upward moved thereby engaging or latching the drawing or drawer element 35.
  • Figure 12 the large solenoid element 51 is upward driven; in this operating step, , the fluid is metered by the opening movement of the slide 33 and body 34 of the valve 15.
  • FIG 13 the large solenoid element 51 is downward moved; this operating step is repeated for the necessary movements up to achieve the required amount in the related basket.
  • the opening and closing movements of the valve 15 are variable and modulated by the control software.
  • Such a modulation is carried out by using a specifically designed algorithm, which processes in a continuous manner the stabilized weight data transmitted by a serial communication by the balance 8 and transforming these data into opening signals of the drawer 35 of the valve 15 by a continuous type of self- calibrating process, thereby providing an optimum precision up to 0.01 grams.
  • the software will determine an optimized metering sequence, to meter at first all the dye materials from the head 101 and then those from the head 102.
  • Figure 14 the small solenoid element 54 is downward driven, thereby unlatching the drawer 35; the peg 53 being removed thereby freeing the drawer 35 and thereby the delivery assembly is arranged at a stand-by position.
  • the rotary disc 11 will be ready for a subsequent locating of the basket assemblies.
  • the software will displace or drive the motor driven carriage 6 to the related delivery point .
  • the motor driven carriage 6 will drive the tin 7 to the central region of the bench 5 and the software will visually confirm, through the PC screen 2, the end of the delivery procedure.
  • the apparatus is controlled through the personal computer 2 by a control software comprising two components: a driver software, on a host computer, and a firmware on the processor on board of the electronics.
  • the communication is of an opened and bidirectional serial type between the software and balance 8.
  • the driver will control all the aspect of the delivery and servicing logic and will use the balance 8 coupled to the computer host 2 for reading out the delivered amount weight.
  • the firmware will manage the electronics with respect to the sensor read-out and the actuator device driving .
  • the driver will receive from a software database, usually supplied by the painting product maker, the formulas disclosing the composition of the dye or color to be made.
  • the driver and firmware by communicating through a proprietary protocol, will manage each formula delivery operation.
  • each formula after having been transmitted from the software database to the driver, will require a vessel 7 to be located on the balance 8, under the metering point 4a, 4b.
  • the software will cause the rotary disc 11 to rotate as to sequentially bring the basket assemblies 13 of the components to the delivery zone.
  • the locating sequence is so commanded as to reduce the handling time.
  • the dirty part of the valve is subjected to a washing operation by a Venturi washing system using air and water or other suitable liquid material, as suggested by the painting product maker.
  • the residues of the above washing operation are conveyed and channeled to a suitable disposal vessel.
  • the invention has provided a painting product metering and delivering apparatus including an automatic metering assembly delivering fluid products in a sequential manner and by a gravimetric control. This action is based on an interaction between the data detected in a continuous mode of operation between an electronic balance and opening and closing movement of a sliding device.
  • the apparatus provides a direct delivery from the storing vessel to the finished product vessel, thereby reducing to a minimum the distance between the storing region and the delivery region.
  • the direct delivery aided by a specifically designed software, will assure a very accurate metering of minimum amount necessary for achieving a target chromatic accuracy of the required end dye or painting product.
  • the apparatus comprises a plurality of plastic material baskets for pouring thereinto the painting materials to be sequentially metered, to provide the final coloring products as provided by the formulas processed by the painting material maker.
  • the apparatus comprises either one or preferably two delivery heads, to mate with a comparatively high number of system dye materials, up to 60 of said dye materials.
  • a main feature of the inventive metering system is that the latter comprises a continuous algorithm for controlling the dialogue between the balance electronics and the software which, depending on these data, will modulate the opening and closing of the sliding metering valve arranged on the base of bottom of each basket.
  • the delivery point comprises a controlling system including two software driver controlled solenoid elements which have respectively a task of latching the valve sliding drawer and opening and closing it depending on the amount to be metered.
  • This operation may be repeated several times for each metering operation, depending on the data coming from the balance: as the precision level setting is increased, the number of possible solutions to achieve an accuracy of 1/100 g will be correspondingly increased .
  • the used materials, as well as the contingent size can be any, depending on requirements.

Abstract

L'invention concerne un appareil pour le dosage et la distribution de produits de peinture, caractérisé en ce que ledit appareil comprend au moins une tête de distribution comprenant une pluralité de groupes de paniers, chacun contenant un produit de peinture et comprenant une valve doseuse coulissante, lesdits groupes de paniers étant supportés par un disque de support rotatif de manière à être alignés, un à la fois, sur un point de distribution auquel une unité de distribution conçue pour permettre aux contenus du groupe de paniers d'être distribués en étant dosés dans un récipient de récupération est placée. Le récipient de récupération est agencé sur une balance couplée à un ordinateur, commandant ladite unité de distribution et le groupe de paniers audit point de distribution.
PCT/IB2011/001063 2010-07-30 2011-05-13 Appareil pour le dosage et la distribution de produits de peinture WO2012014023A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11728663.3A EP2598233B1 (fr) 2010-07-30 2011-05-13 Appareil pour le dosage et la distribution de produits de peinture

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI2010A001446 2010-07-30
ITMI2010A001446A IT1401496B1 (it) 2010-07-30 2010-07-30 Apparecchiatura per dosare ed erogare prodotti vernicianti.

Publications (1)

Publication Number Publication Date
WO2012014023A1 true WO2012014023A1 (fr) 2012-02-02

Family

ID=43739944

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2011/001063 WO2012014023A1 (fr) 2010-07-30 2011-05-13 Appareil pour le dosage et la distribution de produits de peinture

Country Status (3)

Country Link
EP (1) EP2598233B1 (fr)
IT (1) IT1401496B1 (fr)
WO (1) WO2012014023A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113546555A (zh) * 2021-08-11 2021-10-26 南京奥哲自控工程有限公司 一种全自动连续配料装置计量监测及控制方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105882140B (zh) * 2016-06-06 2018-08-07 桑春龙 油墨颜色自动调配设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519371A (en) * 1944-05-18 1950-08-22 Arco Company Paint weighing machine
GB2151362A (en) * 1983-12-15 1985-07-17 Ault & Wiborg Group Plc A dispensing head
US4585148A (en) * 1983-02-05 1986-04-29 Nippon Paint Co., Ltd. Process and apparatus for metering liquid colorant
EP0391286A1 (fr) * 1989-04-03 1990-10-10 BASF Corporation Unité de distribution automatique pour de l'encre en pâte ou similaire

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519371A (en) * 1944-05-18 1950-08-22 Arco Company Paint weighing machine
US4585148A (en) * 1983-02-05 1986-04-29 Nippon Paint Co., Ltd. Process and apparatus for metering liquid colorant
GB2151362A (en) * 1983-12-15 1985-07-17 Ault & Wiborg Group Plc A dispensing head
EP0391286A1 (fr) * 1989-04-03 1990-10-10 BASF Corporation Unité de distribution automatique pour de l'encre en pâte ou similaire

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113546555A (zh) * 2021-08-11 2021-10-26 南京奥哲自控工程有限公司 一种全自动连续配料装置计量监测及控制方法

Also Published As

Publication number Publication date
EP2598233A1 (fr) 2013-06-05
IT1401496B1 (it) 2013-07-26
ITMI20101446A1 (it) 2012-01-31
EP2598233B1 (fr) 2014-07-09

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