EP0799651A1 - Einrichtung zum Reinigen verschiedener Gegenstände - Google Patents

Einrichtung zum Reinigen verschiedener Gegenstände Download PDF

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Publication number
EP0799651A1
EP0799651A1 EP97400721A EP97400721A EP0799651A1 EP 0799651 A1 EP0799651 A1 EP 0799651A1 EP 97400721 A EP97400721 A EP 97400721A EP 97400721 A EP97400721 A EP 97400721A EP 0799651 A1 EP0799651 A1 EP 0799651A1
Authority
EP
European Patent Office
Prior art keywords
cleaning
installation
cleaning fluid
data
rinsing
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
EP97400721A
Other languages
English (en)
French (fr)
Other versions
EP0799651B1 (de
Inventor
Daniel Fillon
Thierry Garcia
Thierry Ripoche
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.)
Fillon-Pichon
Original Assignee
Fillon-Pichon
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Filing date
Publication date
Application filed by Fillon-Pichon filed Critical Fillon-Pichon
Publication of EP0799651A1 publication Critical patent/EP0799651A1/de
Application granted granted Critical
Publication of EP0799651B1 publication Critical patent/EP0799651B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
    • B44D3/006—Devices for cleaning paint-applying hand tools after use
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/006—Cabinets or cupboards specially adapted for cleaning articles by hand
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays

Definitions

  • the present invention relates to an installation for cleaning various objects, such as paint spray guns, using a cleaning fluid, such as a solvent, to be reprocessed.
  • a cleaning fluid such as a solvent
  • It relates more particularly to cleaning installations for spray guns actuated by hand and used for painting vehicles in repair shops.
  • This installation is of the type comprising at least one cleaning enclosure, closed by means of a shutter member, and inside which the objects to be cleaned are arranged, at least one barrel of cleaning fluid acting as storage tank. of cleaning fluid, this barrel being connected, in a disconnectable manner, to said cleaning enclosure and optionally to a reserve of cleaning fluid known as rinsing reserve to ensure at least the supply of cleaning fluid to said enclosure and possibly of the reserve rinsing and / or recovery of the used cleaning fluid from the enclosure.
  • a first object of the present invention is to guarantee good use of the solvent by allowing the user to better manage the consumption of these solvents while offering a cleaning efficiency identical to, or even better than, that of the machines used until now.
  • Another object of the present invention is to ensure traceability of solvent drums and to allow complete control of the life cycle of a solvent by solvent manufacturers.
  • the invention for this purpose, relates to an installation for cleaning various objects, such as paint guns, by means of a cleaning fluid, such as a solvent, to be the subject of a reprocessing, installation of the type comprising at least one cleaning enclosure, closed by means of a shutter member, and inside which the objects to be cleaned are arranged, at least one barrel of cleaning fluid acting as storage tank cleaning fluid, this barrel being connected, in a disconnectable manner, to said cleaning enclosure and optionally to a cleaning fluid reserve called rinsing reserve, to ensure at least, the supply of cleaning fluid to said enclosure and possibly of the rinsing reserve, and / or the recovery of the used cleaning fluid from the cleaning enclosure, characterized in that the installation is equipped with a control and command unit which controls the operation t of said installation from at least one so-called operating authorization master signal, the emission of which is subject to a new installation of cleaning fluid, and which controls the stopping of said installation from at minus a so-called master prohibition of operation signal, the emission of which is subject to the measurement and / or
  • the master signal for operating authorization is produced by at least one sensor, such as a sensor for detecting the presence of the barrel of cleaning fluid, a level measurement sensor. of cleaning fluid in the reserve, a sensor for measuring the level of cleaning fluid in the barrel of cleaning fluid.
  • the values of the characteristic data of the contamination of the cleaning fluid are expressed in a unit or in a combination of units such as a fluid level, a number of cycles, an operating time, each value of the data that can be measured and / or calculated in real time and continuously by appropriate means of said installation and compared with a predetermined value.
  • the cleaning installation comprises, as an example of an embodiment, a frame 1 in the form of a column delimiting an enclosure 2 inside which a barrel 3 for storing cleaning fluid can be installed.
  • This frame 1 also incorporates all of the elements necessary for the operation of the installation. These elements will be described below.
  • This frame 1 is closed in its upper part by a tank constituting the enclosure 4 for cleaning the installation.
  • This enclosure 4 is itself closed by means of a shutter member 5 of the cover type consisting of one or more elements.
  • the shutter member 5 consists of two closing elements pivoting around the side edges of the tank. These closing elements, in the closed position of the enclosure 4, are joined together and cooperate with a stationary support 6 provided with a through orifice allowing the connection of a conduit 7 for exhausting harmful solvent vapors with the inside the cleaning enclosure 4.
  • This cleaning enclosure 4 has, in its bottom side opening an opening allowing the emptying of its contents into the barrel 3 for storing fluid connected to said enclosure by suitable connecting means.
  • the frame 1 has, on its front face, a door 8 allowing the introduction of the barrel 3 of cleaning fluid inside the enclosure 2 delimited by the frame 1 of the installation.
  • Rolling elements 9 can be provided in the bottom face of said frame 1 for facilitate the introduction and handling of the barrel 3 during its introduction or its extraction from said frame 1.
  • One of the sides (left side of frame 1 in FIG. 2) of said frame also has a housing 10 inside which is arranged a device 15 for reading / writing a data medium 16 which will be described below.
  • This housing 10 is in this case equipped with a folding flap 19 allowing access to said read / write device 15 from the outside of the frame 1.
  • the cavity thus delimited by said housing 10 also serves to receive a support. 16 coupled to one of the elements of the barrel 3 for storing cleaning fluid.
  • this box 10 is omitted.
  • the read / write device 15, disposed in the housing 10, is connected by appropriate wiring to a control and command unit (not shown) of said installation.
  • This control and command unit arranged inside the enclosure 2, includes for example a microcontroller integrating a computer programming logic and the associated electronic intelligence.
  • This logic allows, moreover, a very great flexibility of operation and a total flexibility in the definition of the cleaning parameters, in particular in the sequencing or the combination of washing and rinsing times as of any other option linked to the new conditions of uses to which the machine could evolve (filling another reserve, drying, etc.) and within the limits fixed by the control and command unit, in particular by the predefined number of inputs / outputs.
  • the control and command unit is itself equipped with appropriate wiring to connect it in particular to mechanical, electronic, hydraulic, pneumatic interfaces which will be described below.
  • the frame 1 optionally includes, inside its enclosure 2, a second tank constituting a reserve 11 of cleaning fluid called the rinsing reserve.
  • the control and command unit is connected at the output to mechanical, electronic, hydraulic or pneumatic interfaces and to possibly at least one actuator, these interfaces and possibly the actuator or actuators ensuring the supply of cleaning fluid to one or more several circuits used during an operating cycle of the installation, each operating cycle generally comprising at least one washing operation and one rinsing operation.
  • the actuator can be omitted in the case of a system for supplying cleaning fluid to the cleaning enclosure 4 of the Venturi type. Consequently, although in the example described below, an installation equipped with an actuator, such as a pump, is described, the explanations would apply in the same way to a Venturi system.
  • the pumps arranged inside the enclosure 2 delimited by the frame 1, can be of variable number.
  • the installation comprises three pumps P1, P2, P3.
  • the installation comprises at least one washing circuit 12 in closed loop established between the barrel 3 for storing cleaning fluid and the cleaning enclosure 4, a second washing circuit 13, called the rinsing circuit, established between a reserve 11 of rinsing fluid and the cleaning enclosure 4, the supply of cleaning fluid to the reserve 11 of rinsing being carried out manually or by means of a so-called filling circuit 14, this circuit 14 connecting the barrel 3 for cleaning fluid storage and said reserve 11.
  • the pump P1 of the rinsing circuit 13 is supplied with air through the solenoid valve EV1 playing the role of interface and controlled in operation by the control and command unit.
  • the pump P2 of the washing circuit 12 is supplied with air through the solenoid valve EV2 while the pump P3 of the filling circuit 14 is supplied with air through the solenoid valve EV3.
  • the actuators namely solenoid valves or relays depending on the type of pump used
  • the wear rate of these actuators is limited because they are not subjected to the influence of corrosive liquids such as solvents.
  • the most frequently used pumps are diaphragm pumps. If one is in an explosive environment, pneumatic diaphragm pumps will be preferred, the actuators then being constituted by solenoid valves allowing or not a supply of compressed air. The compressed air supply takes place at a pressure of the order of 7 bars.
  • the diaphragm pumps used are coupled to electric motors and are actuated by means of the control of solid state relays which constitute interfaces. An exclusively electrical energy is then used eliminating any need for a source of compressed air.
  • the operation of the installation, and in particular the supply of cleaning fluid to these circuits, is controlled from the control and command unit disposed inside the enclosure 2 of the frame 1 of the installation.
  • This unit controls the operation of said installation from at least one so-called operating authorization master signal, the emission of which is subject to a new installation of the cleaning fluid.
  • This master operating authorization signal is produced by at least one sensor such as a sensor for detecting the presence of the barrel of cleaning fluid, a sensor for measuring the level of cleaning fluid in the reserve 11, a sensor for measurement of the level of cleaning fluid in the barrel 3 of cleaning fluid.
  • a pressure sensor capable of detecting the presence of the barrel 3 for storing cleaning liquid in the enclosure 2 of the frame 1 is used.
  • This control and command unit also controls the stopping of said installation on the basis of at least one so-called master prohibition of operation signal, the emission of which is subject to the measurement and calculation of the value of a characteristic datum. of the contamination of the cleaning fluid and to a predetermined value of this same data.
  • the values of the characteristic data of the contamination of the cleaning fluid are expressed in a unit or a combination of units such as a level of fluid, a number of cycles, an operating time. Each value of the data can be measured and / or calculated in real time and continuously by appropriate means of said installation and compared with a predetermined value.
  • the characteristic data of the soiling of the cleaning fluid will be expressed in number of operating cycles of the installation also called cleaning cycles.
  • This data will be measured by means of a counter incrementing after each cleaning cycle so that when it reaches a predetermined value of cycles, it stops the installation. It is also possible, in simpler versions of the installation, for the data to be measured by a sensor such as, for example, a sensor for measuring the level of cleaning fluid in the rinsing reserve 11 which, when it detects a value of level of predetermined cleaning fluid in the reserve 11, emits a signal which causes the shutdown of said installation. Once this stop signal has been issued, it will be necessary to re-install cleaning fluid.
  • This new implementation will result in the simplest case by replacing the barrel 3 for storing the cleaning fluid so as to fill the rinse reserve 11 with a new cleaning fluid and to carry out the washing operations. and rinse with a clean cleaning fluid.
  • the operation of the installation can be controlled within the time range between the emission of said master authorization signals of operation and operation ban on receipt of at least one data extracted by the read / write device 15 from a data carrier 16, such as an electronic label or a smart card, coupled to the barrel 3 of storage of cleaning fluid.
  • This characteristic data of the stain of the cleaning fluid is updated after each triggering of the installation operating cycle to prevent, beyond a predetermined number of operating cycles, the installation being restarted.
  • This resumption of operation can only be carried out after new installation of cleaning fluid and replacement of the data medium whose credit is exhausted by a new data medium.
  • FIG. 3 Such an embodiment of the invention is described in FIG. 3.
  • the support for data 16, integrated or mechanically coupled to one of the constituent elements (plug 17 or body) of the barrel 3 for storing the cleaning fluid and optionally removably mounted on the latter is an electronic label or a passive smart card with evolving memory.
  • This data carrier 16 is a chip integrated in the cap 17 of the barrel 3 for storing the cleaning fluid. After opening of the barrel 3 for storing the cleaning fluid, this plug 17 is placed in contact with the read / write device 15 to allow the reading of the data from said data medium 16.
  • Lines 1, 2 and 7 are data written on the chip by the manufacturer and lines 3, 4, 5, 6, 8 and 9 are data written on the chip by the machine.
  • Line 7 is reprogrammable data.
  • Line 3 is data resident in the machine for its identification.
  • Line 9 consists of coded data to control and report either actions that do not comply with normal use of the machine, such as opening the shutter member 5 during an operating cycle, removing the storage barrel 3 during a cycle either to report faults.
  • the solvent manufacturer must have a computer system for reading and writing electronic chips to load the data from preset files and to collect the stored information in order to analyze it. This information must allow the solvent manufacturer to rapidly and reliably reprocess said solvent, at a lower cost.
  • the data extracted from a data medium 16 by the read / write device 15 integrated into the control and command unit, is coupled with a data item identifying the medium of data 16, i.e. from the smart card, to prevent the substitution of a data medium 16 by another data medium until the predetermined number of washing cycles is reached. Therefore, when the user has installed a barrel 3 for storing cleaning liquid in the installation, if he subsequently decides to replace this barrel 3 with another barrel, he can only do so. from the moment when the credit of the data carrier 16 has been completely exhausted. As has been specified above in the content of the chip, sensors may be provided to specify to the solvent manufacturer the incidents encountered during a certain number of operating cycles.
  • sensor signals such as a keg presence sensor for cleaning the cleaning fluid, a sensor for the presence of the data carrier, a sensor for opening the shutter member 5 during an operating cycle, connected to the control and command unit are received by said unit and then transmitted and stored in said data medium 16 via the read / write device 15 so as to identify any incident during the period of use corresponding to the predetermined number of operating cycles.
  • the solvent manufacturer may notice whether the user has attempted, during a predetermined number of operating cycles, to replace the data medium 16 by another data medium.
  • the read / write device 15 of the installation is placed inside the enclosure 2 delimited by the frame 1 so as to prevent, during the operation of the installation, any loss or degradation of the cap of the barrel 3 when the chip 16 is integrated in the cap 17 of the barrel 3 for storing the cleaning fluid.
  • the control and command unit controls the washing, rinsing and possibly the volume of the reserve 11 of rinsing which are preprogrammed in said control and command unit and / or supplied by the data medium 16.
  • the control and command unit controls the washing, rinsing and possibly the volume of the reserve 11 of rinsing which are preprogrammed in said control and command unit and / or supplied by the data medium 16.
  • d '' adapts the washing and rinsing times.
  • the rinsing time increases in correspondence with the number of operating cycles executed as from the emission of the master signal for operating authorization of the machine. In this way, because the cleaning fluid is particularly soiled after a certain number of operating cycles, the same washing efficiency is maintained by increasing the rinsing time with a clean fluid.
  • the cleaning enclosure is in turn equipped with cleaning and / or rinsing nozzles 18 disposed at the outlet of the cleaning and / or rinsing circuits. If these circuits are common at the outlet, the cleaning and rinsing nozzles are identical.
  • These nozzles 18 may include a spraying part and a circulation part.
  • Certain nozzles are pivotally mounted on a support so as to be able to occupy a first substantially vertical position in the absence of objects 20 to be cleaned inside said cleaning enclosure 4 and an inclined position when the objects to be cleaned, such as spray guns 20, are introduced onto said nozzle by their barrel. This inclined position of the nozzles, as shown in FIG. 4, is obtained by means of an inclined plane for supporting the guns.
  • the nozzles are returned to their vertical position by an elastic return means.
  • the nozzles are arranged in a manner known per se inside of the cleaning chamber so that they guarantee a supply of cleaning fluid to the circulation point to ensure cleaning of the interior of the gun and to the spray point to allow the spraying of cleaning fluid to the accessories , such as bowls, lid, gun exterior and strainer.
  • a barrel 3 for storing cleaning fluid is placed inside the enclosure 2 of the frame 1.
  • This action is detected by a barrel presence sensor C1.
  • This sensor C1 generates the emission of a master signal authorizing the operation of the installation.
  • This signal triggers in particular the filling of the rinsing reserve 11 by actuation of the pump P3 linked to the opening of the solenoid valve EV3 during the preliminary phase, called initialization, to the cleaning cycles and whose confirmation is subject to reaching a sufficient level in the reserve.
  • This action is detected by a reserve level sensor C2.
  • This sensor generates the emission of a second signal.
  • the plug 17 of the barrel 3 incorporating a chip 16 is placed in contact with the read / write device 15 of the installation.
  • This positioning of the chip 16 causes the emission, by a chip positioning sensor C3, of a third so-called slave signal in the direction of the control and command unit which then begins the reading and writing of the support of data 16.
  • the operation of the installation can be controlled, within the time range between the emission of said master signals of authorization of operation and prohibition of operation, by signals control or stopping said slaves, said signals being produced by sensors, such as a sensor C4 detecting the opening of the shutter member of the cleaning chamber.
  • slave control signal means a signal whose emission will have no effect on the installation until it is emitted in the meantime [master signal for operating authorization - master signal for prohibition Operating].
  • the pump P2 is actuated for a predetermined washing time and then the pump P1 is actuated for a predetermined rinsing time. All the cleaning fluid introduced into the cleaning enclosure 4 is recovered in the barrel 3. It should be noted that an additional solenoid valve, connected to the nozzle circuit, could be used for drying said objects by supplying said nozzles of the cleaning chamber 4 only with compressed air.
  • a data item corresponding to the new value of executable operating cycles (for example N-1) is written in the data medium 16 by the recording device. read / write 15. Then the same operations as those described above are repeated until the exhaustion of the credit of the data medium corresponding for example to a predetermined value of said data. When this predetermined value is reached, a master signal prohibiting operation is emitted. The user must then replace the barrel 3 for cleaning fluid storage and replace the data medium by the data medium equipping the new barrel 3. As the user is forced to open a new barrel to access a new data carrier, it is in its interest to use the content of this new keg.
  • executable operating cycles for example N-1

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  • Cleaning By Liquid Or Steam (AREA)
EP19970400721 1996-04-01 1997-03-28 Einrichtung zum Reinigen verschiedener Gegenstände Expired - Lifetime EP0799651B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9604059 1996-04-01
FR9604059A FR2746679B1 (fr) 1996-04-01 1996-04-01 Installation de nettoyage d'objets divers

Publications (2)

Publication Number Publication Date
EP0799651A1 true EP0799651A1 (de) 1997-10-08
EP0799651B1 EP0799651B1 (de) 2001-01-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970400721 Expired - Lifetime EP0799651B1 (de) 1996-04-01 1997-03-28 Einrichtung zum Reinigen verschiedener Gegenstände

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EP (1) EP0799651B1 (de)
DE (1) DE69703858T2 (de)
FR (1) FR2746679B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1574262A1 (de) * 2004-03-09 2005-09-14 Robert Hugh Petty Reinigungsgerät
US20120211028A1 (en) * 2005-04-22 2012-08-23 Duke Manufacturing Co. Commercial kitchenware washers and related methods

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2453404A1 (fr) * 1979-04-02 1980-10-31 Axenta Ind Ab Indicateur de purete du liquide d'une machine a laver des pieces metalliques ou autres
GB2195737A (en) * 1986-09-09 1988-04-13 Leif Einar Stern Solvent container for cleaning spray guns
EP0443421A1 (de) * 1990-02-19 1991-08-28 Drester Ab Vorrichtung zum Reinigen handbetriebener Spritzpistolen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2453404A1 (fr) * 1979-04-02 1980-10-31 Axenta Ind Ab Indicateur de purete du liquide d'une machine a laver des pieces metalliques ou autres
GB2195737A (en) * 1986-09-09 1988-04-13 Leif Einar Stern Solvent container for cleaning spray guns
EP0443421A1 (de) * 1990-02-19 1991-08-28 Drester Ab Vorrichtung zum Reinigen handbetriebener Spritzpistolen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1574262A1 (de) * 2004-03-09 2005-09-14 Robert Hugh Petty Reinigungsgerät
GB2411824B (en) * 2004-03-09 2007-08-01 Robert Hugh Petty Cleaning apparatus
US20120211028A1 (en) * 2005-04-22 2012-08-23 Duke Manufacturing Co. Commercial kitchenware washers and related methods
US9265400B2 (en) * 2005-04-22 2016-02-23 Duke Manufacturing Co. Commercial kitchenware washers and related methods

Also Published As

Publication number Publication date
DE69703858T2 (de) 2001-08-16
FR2746679A1 (fr) 1997-10-03
EP0799651B1 (de) 2001-01-10
FR2746679B1 (fr) 1998-05-15
DE69703858D1 (de) 2001-02-15

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