EP3260208A1 - Maschine und methode zum waschen mechanischer teile - Google Patents

Maschine und methode zum waschen mechanischer teile Download PDF

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Publication number
EP3260208A1
EP3260208A1 EP17177231.2A EP17177231A EP3260208A1 EP 3260208 A1 EP3260208 A1 EP 3260208A1 EP 17177231 A EP17177231 A EP 17177231A EP 3260208 A1 EP3260208 A1 EP 3260208A1
Authority
EP
European Patent Office
Prior art keywords
workpiece holder
robot
component
holder table
washing fluid
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.)
Withdrawn
Application number
EP17177231.2A
Other languages
English (en)
French (fr)
Inventor
Pietro BETTO
Massimo Betto
Stefano BETTO
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.)
Tmb SpA
Original Assignee
Tmb SpA
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 Tmb SpA filed Critical Tmb SpA
Publication of EP3260208A1 publication Critical patent/EP3260208A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B08B3/022—Cleaning travelling work
    • 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
    • B08B3/024—Cleaning by means of spray elements moving over the surface to be cleaned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • B08B5/023—Cleaning travelling work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
    • B08B2203/007—Heating the liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
    • B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
    • B08B2203/0264—Splash guards

Definitions

  • the present invention relates to a machine for washing mechanical components.
  • some prior art machines comprise dryers which introduce air, if necessary hot, in the washing booth to dry the component positioned on the workpiece holder table.
  • one aspect of this invention is to provide a machine for washing mechanical components comprising at least one industrial robot and at least one workpiece holder table on the surface of which to position the one or more components to be processed using the robot.
  • the machine comprises a control unit configured to move in a controlled manner the one or more axes for moving the robot, configured for dispensing on the surfaces of the component at least one washing fluid.
  • the workpiece holder table rotates around its vertical axis of rotation and is configured to continuously rotate at such a speed as to centrifuge the washing fluid away from the component positioned on the workpiece holder table.
  • the centrifugal action determined by the workpiece holder table results in a greater and accurate removal of the washing residue from the mechanical component and in a period of time less than that of the prior art. Further, following this centrifugal action, the mechanical component has in all its parts, even the inside one, a temperature approximately equal to the ambient temperature, allowing the continuation of the activities and/or tests on the component, thus reducing, or eliminating, the waiting times of the component compared with the prior art.
  • the numeral 1 denotes a machine for washing mechanical components.
  • the machine 1 comprises at least one workpiece holder table 2 on which to position one or more components 3 to be processed. More specifically, the components 3 are positioned on the surface 2a of the table 2.
  • the surface 2a of the table 2 defines a horizontal work table.
  • processing means the washing and drying of the component 3 positioned on the workpiece holder table 2.
  • the machine 1 comprises at least one industrial robot 4 configured to process at least one mechanical component 3.
  • the industrial robot 4 comprises at least two movement or operating axes A.
  • the industrial robot 4 is an anthropomorphic robot.
  • the robot could be of "SCARA" Cartesian type, fixed in place or mobile.
  • the robot 4 has five axes A of operating movement.
  • the robot 4 is movable by one or more axes A of movement relative to the workpiece holder table 2 to reach the surfaces 3a of the component 3 to be processed.
  • the machine 1 comprises a control unit 8 configured to move the one or more movement or operating axes A of the robot 4 in a controlled manner.
  • the robot 4 comprises at least one mouth 5 for dispensing the washing fluid and at least one mouth 6 for blowing pressurised air.
  • washing fluid means preferably a mixture of water and detergent.
  • the washing fluid is dispensed under pressure from the dispensing mouth 5 of the robot 4.
  • the dispensing pressure of the washing fluid is preferably between 20 bar and 200 bar.
  • the washing fluid is preferably dispensed at ambient temperature.
  • the air dispensed by the robot is at ambient temperature.
  • the air dispensed by the robot is at a pressure generally between 2 bar and 8 bar.
  • the robot 4 is configured to dispense the washing fluid and/or the pressurised air onto the surfaces 3a of the component 3.
  • the mouth 5 for dispensing the washing fluid and the mouth 6 for blowing air are positioned at the same head 7 of the robot 4.
  • blowing of pressurised air allows the removal from the surfaces 3a of the component 3 of any undesired reside, such as, for example, machining waste or residue of the fluid for washing the component.
  • the workpiece holder table 2 rotates about a relative vertical axis of rotation R.
  • the workpiece holder table 2 rotates about the vertical axis of rotation R for varying the relative orientation relative to the position of the robot 4, passing from one relative position to the other.
  • the control unit 8 of the machine 1 is configured to synchronise the movements of the one or more axes A for moving the robot 4 and the rotation around the axis R of the workpiece holder table 2 to pass from one relative position to the other during the processing operations of the component 3.
  • the control unit 8 of the machine 1 is configured for synchronising the movements axes A for movement of the robot 4 and the rotation about the axis R of the workpiece holder table 2 during the dispensing of the washing fluid from the dispensing mouth 5 and during the dispensing for the pressurised air from the blowing mouth 6.
  • the control unit 8 of the machine 1 is configured for synchronising the dispensing of the washing fluid from the dispensing mouth 5 of the robot 4 and the dispensing of the pressurised air from the blowing mouth 6.
  • the control unit 8 of the machine 1 is configured to synchronise rotation of the table 2, at the speed such as to centrifuge the washing fluid, with the movements of the axes A for moving the robot 4, during the dispensing of the pressurised air from the blowing mouth 6.
  • the component 3 positioned on the table 2 may have one or more surfaces 3a to be processed which are not accessible to the field of operation of the robot 4.
  • the synchronisation of the movement of the robot 4, in particular of the axes A for moving the robot 4, and the rotation about the axis R of the workpiece holder table 2 allows the component 3 to be positioned on the table 2 in such a way as to make accessible to the robot 4 all the surfaces 3a of the component, such as, for example, the surfaces 3a initially not accessible.
  • the axis of rotation R of the table 2 implements the possibility of moving the robot 4 with respect to its operating or movement axes A.
  • the synchronising of the rotation of the table 2 and the movement of the robot 4 reduces the operating spaces of the robot 4 around the component 3.
  • the workpiece holder table 2 rotates continuously about its own axis of rotation R for centrifuging the washing fluid away from the component 3 positioned on the surface 2a of the workpiece holder table 2.
  • control unit 8 is configured to stop the movement of the axes A for moving the robot 4 according to a non-operating configuration.
  • the table 2 rotates about its axis of rotation R at a speed at least equal to 750 revolutions per minute.
  • the components 3 must be securely positioned on the surface 2a of the workpiece holder table 2 to prevent possible movements of the component 3 towards the outside.
  • the machine 1 comprises means 9 of retaining the components 3 on the workpiece holder table 2 configured to keep the components 3 in the respective location during rotation of the workpiece holder table 2 about its own axis of rotation R, especially during the continuous rotation for centrifuging the washing fluid away from the component 3.
  • the retaining means 9 are positioned on the surface 2a of the workpiece holder table 2.
  • the components 3 are arranged on the surface 2a of the table 2 in the vicinity of the axis of rotation R, minimising in this way the imbalance of the table 2 and, with it, the harmful vibrations due to unbalanced masses, reducing the moment of inertia during the centrifuging action.
  • the retaining means 9 are positioned on the surface 2a of the workpiece holder table 2 in such a way as to at least partly surround the respective component 3 relative to its perimeter surface 3a.
  • the installation and retaining means 9 are configured to be connected to respective parts 3b of the component 3.
  • the installation means 9 are configured to be inserted at least partly into respective holes 3b of the component 3, in particular in through holes 3b.
  • the installation means 9 are preferably in the form of tubular elements 9.
  • the tubular elements 9 have a plastic material on the surface intended to come into contact with the component 3, such as, for example Teflon, nylon or PVC.
  • the installation and retaining means 9 are configured to be inserted at least partly inside respective holes 3b of the component 3 they are made of at least two elements, a tubular element 9a for insertion into the hole 3b and a clamping element 9b of the tubular element.
  • the clamping element 9b is preferably made of plastic material, such as, for example, Teflon, nylon or PVC.
  • each supporting means 10 for supporting respective parts of the component 3 positioned on the surface 2a of the workpiece holder table 2.
  • These supporting means 10 are preferably made of plastic material, such as, for example Teflon, nylon or PVC.
  • the machine 1 comprises a system 11 for heating the washing fluid used by the robot 4.
  • the heating system 11 is controlled by a respective control unit 12 through which it is possible to set the temperature of the washing fluid.
  • the temperature of the washing fluid varies in a range of from 20°C to 90°C, included.
  • the temperature of the washing fluid makes it possible to prevent that during the centrifugal action of the table 2 on the component 3, the action of heat removal referable to the movement of the air produces a lowering of the temperature of the component 3 in such a way that it is below the ambient temperature.
  • the machine 1 comprises two workpiece holder tables 2 and a single robot 4 configured to operate alternatively on the first and on the second workpiece holder table 2.
  • control unit 8 of the machine 1 is configured to activate the movement of the axes A of the robot 4 alternatively relative to the first or to the second workpiece holder table 2.
  • control unit 8 of the machine 1 is configured for synchronising the movement of the axes A for moving the robot 4 with the rotation about the axis R of the first or the second workpiece holder table 2.
  • the workpiece holder tables 2 are arranged side by side.
  • the machine 1 comprises a panel 13 interposed between the two workpiece holder tables 2.
  • the machine 1 comprises screening means 14 preferably integral with the movement of the robot 4 in such a way as to be facing the workpiece holder table 2 free from the action of the robot 4.
  • the screening means 14 are in the form of walls, preferably circular.
  • the screening means 14 have a window 14a for access of the robot 4 towards the component 3 to be processed located on the first or second workpiece holder table 2.
  • the robot 4 whilst the robot 4 is engaged in the processing of a component 3 positioned on one respective workpiece holder table 2, on the other workpiece holder table 2 it is possible, for example, to centrifuge the washing fluid away from the component 3 or perform the operations for loading and unloading the components 3, thereby reducing any down times.
  • the two workpiece holder tables 2 allow processing of respective components 3, such as, for example, semi-guards or semi-bases, which are intended to be assembled together.
  • This invention also relates to a method for washing mechanical components 3.
  • the method comprises the step of positioning one or more mechanical components 3 on the surface 2a of a workpiece holder table 2.
  • the one or more mechanical components 3 are located on the surfaces 2a of a workpiece holder table 2 near the axis of rotation R of the table 2.
  • the method comprises a step of keeping the one or more components 3 on the surface 2a of the workpiece holder table 2 in a respective location, relative to the axis of rotation R of the table 2, by the retaining means 9.
  • the method comprises dispensing a washing fluid onto the surface 3a of the component 3 positioned on the table 2 by using an industrial robot 4, preferably an anthropomorphic robot 4.
  • the method comprises blowing pressurised air onto the surface 3a of the component 3 positioned on the table 2 by using an industrial robot 4, preferably an anthropomorphic robot 4.
  • the movement of the robot 4 in particular the movement of one or more axes A of movement, and the rotation of the workpiece holder table 2 about its own axis of rotation R, are controlled in a synchronised fashion by a control unit 8.
  • the movements of the one or more movement axes A of the robot 4 are synchronised with the rotation around the axis R of the workpiece holder table 2, which is configured to pass from one relative position to the other, in particular with respect to the position of the robot 4.
  • the method according to this invention comprises a step of centrifuging the washing fluid away from the component 3 by continuously rotating the workpiece holder table 2 around its own vertical axis of rotation R, after the step of dispensing the washing fluid on the surfaces 3a of the component 3 using the robot 4.
  • the one or more axes A for moving the robot 4 are positioned according to a non-operating configuration of non-interference with the rotation of the workpiece holder table 2 around the axis of rotation R.
  • the step of blowing pressurised air on the surface 3a of the component 3 positioned on the table 2 may be performed simultaneously and/or after the step of centrifuging the washing fluid away from the component 3.
  • the movements of the movement axes A of the robot 4 are synchronised with the rotation around the axis R of the workpiece holder table 2, which is configured to pass from one relative position to the other.
  • the step of dispensing the washing fluid being synchronised with the step of blowing pressurised air on the surface 3a of the component 3 positioned on the workpiece holder table 2.
  • the method may comprise repeating the step of centrifuging the washing fluid away from the component 3 several times during the same processing cycle of the component 3.
  • the step of centrifuging the washing fluid away from the component 3 by rotating the workpiece holder table 2 continuously about its own axis R is synchronised with the step of dispensing pressurised air.
  • the method comprises alternating the step of dispensing the washing fluid with the step of blowing pressurised air and the step of centrifuging the washing fluid away from the component 3.
  • the method comprises optionally the heating of the washing fluid before it is dispensed from the robot 4 on the surfaces 3a of the component 3, in such a way that, at the end of processing, the component 3 has a temperature suitable for any seal tests, hot or cold assembly, specific testing, etc.

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  • Manipulator (AREA)
  • Cleaning By Liquid Or Steam (AREA)
EP17177231.2A 2016-06-21 2017-06-21 Maschine und methode zum waschen mechanischer teile Withdrawn EP3260208A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUA2016A004569A ITUA20164569A1 (it) 2016-06-21 2016-06-21 Macchina per il lavaggio di componenti meccanici.

Publications (1)

Publication Number Publication Date
EP3260208A1 true EP3260208A1 (de) 2017-12-27

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ID=57209751

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17177231.2A Withdrawn EP3260208A1 (de) 2016-06-21 2017-06-21 Maschine und methode zum waschen mechanischer teile

Country Status (2)

Country Link
EP (1) EP3260208A1 (de)
IT (1) ITUA20164569A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108034566A (zh) * 2018-01-04 2018-05-15 广州承葛复兴医药科技有限公司 离心洗涤设备及离心洗涤的方法
CN108772377A (zh) * 2018-05-29 2018-11-09 黄日新 一种电子产品回收用除尘设备
CN112238085A (zh) * 2020-09-29 2021-01-19 孙素晶 一种智能加工零件清洗装置及使用方法
CN113289975A (zh) * 2021-05-08 2021-08-24 上海中航包装材料有限公司 一种封口盖用的除尘装置
NL2030138A (nl) * 2021-01-20 2022-07-26 Laborex B V Inrichting voor het reinigen van objecten en werkwijze om een object te reinigen.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0114424A2 (de) * 1983-01-24 1984-08-01 COMAU S.p.A. Vorrichtung zum Waschen von Werkstücken
US20040216773A1 (en) * 2003-05-01 2004-11-04 Fine Machine Kataoka Co., Ltd. Work washing apparatus
DE102009051378A1 (de) * 2009-10-30 2011-05-05 Bayerische Motoren Werke Aktiengesellschaft Verfahren und Vorrichtung zur Reinigung eines Zylinderkopfes
DE102014003346A1 (de) * 2014-03-07 2015-09-10 Werner Meissner Reinigungsanlage zur Behandlung von Werkstücken

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6638366B2 (en) * 2001-05-15 2003-10-28 Northrop Grumman Corporation Automated spray cleaning apparatus for semiconductor wafers
JP4757837B2 (ja) * 2007-05-15 2011-08-24 株式会社ショウワ パレットの自動脱水装置及び自動洗浄脱水装置
WO2010062894A1 (en) * 2008-11-29 2010-06-03 Abb Inc. A compact and modular robotic wash system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0114424A2 (de) * 1983-01-24 1984-08-01 COMAU S.p.A. Vorrichtung zum Waschen von Werkstücken
US20040216773A1 (en) * 2003-05-01 2004-11-04 Fine Machine Kataoka Co., Ltd. Work washing apparatus
DE102009051378A1 (de) * 2009-10-30 2011-05-05 Bayerische Motoren Werke Aktiengesellschaft Verfahren und Vorrichtung zur Reinigung eines Zylinderkopfes
DE102014003346A1 (de) * 2014-03-07 2015-09-10 Werner Meissner Reinigungsanlage zur Behandlung von Werkstücken

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108034566A (zh) * 2018-01-04 2018-05-15 广州承葛复兴医药科技有限公司 离心洗涤设备及离心洗涤的方法
CN108034566B (zh) * 2018-01-04 2023-05-23 广州承葛复兴医药科技有限公司 离心洗涤设备及离心洗涤的方法
CN108772377A (zh) * 2018-05-29 2018-11-09 黄日新 一种电子产品回收用除尘设备
CN108772377B (zh) * 2018-05-29 2020-11-24 南京六创科技发展有限公司 一种电子产品回收用除尘设备
CN112238085A (zh) * 2020-09-29 2021-01-19 孙素晶 一种智能加工零件清洗装置及使用方法
NL2030138A (nl) * 2021-01-20 2022-07-26 Laborex B V Inrichting voor het reinigen van objecten en werkwijze om een object te reinigen.
BE1029033B1 (nl) * 2021-01-20 2022-08-23 Laborex Bv Inrichting voor het reinigen van objecten en werkwijze om een object te reinigen
CN113289975A (zh) * 2021-05-08 2021-08-24 上海中航包装材料有限公司 一种封口盖用的除尘装置

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