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WO2003009965A2 - Appareil de polissage de coutellerie - Google Patents

Appareil de polissage de coutellerie Download PDF

Info

Publication number
WO2003009965A2
WO2003009965A2 PCT/IL2002/000611 IL0200611W WO03009965A2 WO 2003009965 A2 WO2003009965 A2 WO 2003009965A2 IL 0200611 W IL0200611 W IL 0200611W WO 03009965 A2 WO03009965 A2 WO 03009965A2
Authority
WO
WIPO (PCT)
Prior art keywords
utensils
polishing
brushes
cutlery
drive wheels
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.)
Ceased
Application number
PCT/IL2002/000611
Other languages
English (en)
Other versions
WO2003009965A3 (fr
Inventor
Rami Engel
Yariv Dan
David Geles
Nitai Goldman
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.)
MAOF INNOVATION AND TECHNOLOGICAL DEVELOPMENT Ltd
Original Assignee
MAOF INNOVATION AND TECHNOLOGICAL DEVELOPMENT Ltd
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 MAOF INNOVATION AND TECHNOLOGICAL DEVELOPMENT Ltd filed Critical MAOF INNOVATION AND TECHNOLOGICAL DEVELOPMENT Ltd
Priority to AU2002313582A priority Critical patent/AU2002313582A1/en
Publication of WO2003009965A2 publication Critical patent/WO2003009965A2/fr
Anticipated expiration legal-status Critical
Publication of WO2003009965A3 publication Critical patent/WO2003009965A3/fr
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • B24B29/005—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents using brushes
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/001—Cylindrical or annular brush bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/001—Single-purpose machines or devices for particular grinding operations not covered by any other main group for table cutlery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
    • B24B29/10—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for table cutlery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/02—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
    • B24D13/10—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising assemblies of brushes

Definitions

  • the present invention relates to an apparatus and method for polishing kitchen utensils. More specifically, the present invention relates to an automatic moving- track apparatus for polishing cutlery and other kitchenware.
  • the present invention is primarily directed to an apparatus for automatically polishing kitchen utensils comprising:
  • each of said one or more conveyor tracks comprises a plurality of rotatable drive wheels for moving said utensils along said tracks together with means for causing said drive wheels to rotate, and a plurality of rotatable brushes together with means for rotating said brushes, such that the rotating brushes dry and polish said utensils; and ii) means for spraying polishing medium onto said utensils.
  • kitchen utensils refers to all of the various types of tools, vessels and implements commonly used in preparing, serving and consuming food and beverages, including, but not limited to plates, bowls, dishes, saucers, cups, mugs and glasses made of porcelain, earthenware, other ceramic materials, glass, wood, metals, metal alloys and plastic materials.
  • pans, pots and other utensils intended for cooking and heating food that are generally constructed of various metals and metal alloys or toughened glass.
  • this term is used, within the context of the present invention to refer to cutlery such as knives, forks, spoons, teaspoons, serving spoons, spatulas and the like, which are generally constructed of metals and metal alloys, and various types of wood.
  • the present invention is directed to a method for automatically polishing kitchen utensils comprising conveying said utensils from an entry port to a collection point, spraying a polishing medium onto said utensils and drying and polishing said utensils by means of contacting the utensils with rotating brushes whilst said utensils are being conveyed from said entry port to said collection point.
  • the utensils to be polished are items of cutlery.
  • Fig. 1 presents a general three-dimensional view of one embodiment of the apparatus of the invention.
  • Fig. 2 illustrates the form of the rotatable brushes in one embodiment of the apparatus of the present invention.
  • Fig. 3 illustrates the form of the drive wheels in one embodiment of the apparatus of the present invention.
  • Fig. 4 is a three-dimensional representation of one embodiment of the collection bin of the apparatus of the present invention.
  • the main components of the utensil-polishing apparatus of the present invention are the conveyor track system comprising both rotatable brushes and drive wheels, together with means for causing rotation thereof, and means for spraying polishing medium onto said utensils.
  • the apparatus comprises four parallel but distinct conveying tracks.
  • the utensils (which in the case of this embodiment are items of cutlery) are introduced into conveying tracks by means of the four identical entry ports 12 situated in the front wall of the apparatus.
  • the ports 12 are located at a height of about one meter above the ground, in order to permit convenient loading of the items of cutlery by an operator in a standing position.
  • the spray device nozzles 14 Located immediately above said ports are the spray device nozzles 14, one nozzle for each of said ports.
  • the nozzles 14 are situated toward the end of the entry ports 12, such that the polishing medium emitted through said nozzles makes contact with the items of cutlery immediately before they enter the conveyor track system.
  • Any suitable polishing medium may be used in conjunction with the apparatus of the present invention, including those that are based on detergents and soaps, and those that are supplemented with wax-type polishing compounds.
  • the spray device nozzles 14 are situated approximately 50 mm upstream of the center point of the first rotatable brush. (The terms “upstream” and “downstream” are used herein to indicate directions towards the entry port and collection point, respectively.)
  • the nozzles may be directed at any desired angle with respect to the horizontal conveyor track plane.
  • any suitable spray system may be used in the construction of the apparatus of the present invention.
  • One example of such a system is the model known as "Flat-Spray” that is produced by the Spray-System company. This spray system is able to supply a polishing medium spray at a rate of 0.15 liters per minute, corresponding to a fluid pressure of between 0.3 and 1.0 bar.
  • a one-way solenoid valve and manual reducing valve before the spray nozzles 14, in order to more precisely regulate the working pressure and aerosol flow rates.
  • said nozzles are supplied with polishing medium from a polishing medium tank by means of a pumping device. Any suitable pump capable of transferring the liquid polishing medium at flow rates sufficient to deliver a spray at the spray nozzles 14 having the fluid pressure and flow rate parameters mentioned hereinabove, may be used.
  • the pumping device is a double diaphragmatic pump. Many different pumps of this type are well known to the skilled man of the art.
  • Duplex diaphragm pump model Flojet 235F-2100 producing a fluid output of 5 liters per minute at a pressure of 4 bars.
  • the fluid connections between the various components of the spray system may be achieved with several different types of tubing, one preferred example of which being stainless-steel tubing having an external diameter of 12 mm.
  • the conveyor track system is constructed in the form of a cassette (indicated generally in Fig. 1 by the numeral 16), comprising two identical layers - positioned one above the other - each of which layers consists of a series of drive wheels and rotatable brushes that structurally and functionally interact with each other.
  • each layer of the conveyor cassette comprises an alternating arrangement of five drive wheels 18 and four rotatable brushes 20.
  • the drive wheels are constructed of stainless steel and have a diameter of 90 mm, whilst the rotatable brushes are constructed with a diameter of 108 mm.
  • each of the five drive wheels and four brushes is divided into four separate regions, each of said separate regions corresponding to one track and one entry port 12, a clear separation intervening therebetween.
  • Fig. 2 shows the structure of one of the four rotatable brushes 20 mounted on its axle 30 in more detail.
  • a drive wheel 18 of the type used in this multiple-track embodiment is shown in Fig. 3.
  • each inter-track separation zone 32 has a width of about 20 mm.
  • the distance between the upper and lower layers of cassette 16 is fixed such that items of cutlery are able to freely pass between the drive wheels 18 whilst being subjected to the optimal amount of pressure by the resilient surface of the rotatable brushes 20.
  • the brushes may be made of any suitable material that permits them to function as efficient means for polishing the items of cutlery.
  • the body of each brush is constructed of Ocalon, said body bearing along its surface Nylon 6:6 fibres each of which has a diameter in the range of 0.3 to 0.35 mm. For more delicate polishing tasks, finer nylon fibres having a diameter of 0.25 mm may be employed.
  • Each of the five drive wheels and four rotatable brushes is mounted on an axle 30 constructed of any suitably strong metal or non-metallic material.
  • Each of the axles of the upper and lower cassette halves is supported in the upper and lower axle bases, 24 and 26, respectively, by means of stainless-steel bearings, 28.
  • both the drive wheels and the rotatable brushes are equipped with means for causing their rotation
  • a single motor unit is used to rotate both the drive wheels and the brushes.
  • separate motor units are used to turn the drive wheels and brushes, thus allowing for independent control of the rotational speed of each of these elements.
  • a motor such as an MVF49 motor with a gear having a gear ratio of 1 :70 and rotational speed of 1400 rpm may be used to turn the drive wheels.
  • a suitable motor unit for driving the brushes in this embodiment is the motor of type LA 100 having a maximum working speed of up to 900 rpm.
  • the transmission system for the drive wheels in this embodiment is provided by a timing chain 34 connecting the motor main gear wheel 36 with the main toothed drive wheel 38.
  • a timing chain 34 connecting the motor main gear wheel 36 with the main toothed drive wheel 38.
  • a similar combination of timing chain and toothed wheel is used.
  • a number of different electrical control systems may be used for operating the apparatus of the present invention. These may range from systems having simple on- off switches for operating the motor(s) and spray system to fully-automated microprocessor-operated control systems providing for optimal rotational speeds of both the drive wheels and brushes, and optimal flow rate of the polishing medium aerosol at the spray nozzle outlet. Such control systems are well known in the art, and may be easily designed without the need for any undue experimentation by an artisan skilled in the fields of mechanical or electrical engineering.
  • the method and device of the present invention requires human intervention only to switch on the apparatus, to load the cutlery thereon, and to retrieve the dry, polished cutlery therefrom.
  • the actual processes of polishing and drying are performed entirely automatically, thereby contributing to a significant reduction in the man- hours required to achieve the desired result.
  • the apparatus of the invention comprises several, parallel conveyor tracks.
  • a single operator is required for loading the utensils to be polished via the entry ports onto the various conveyor tracks.
  • the decision as to which track is to be used for a given piece of cutlery is made by the operator, either according to the type of utensil (e.g. whether it is a fork, spoon or knife) or according to the relative loading of each of the tracks.
  • the items of cutlery receive a pre-determined amount of the polishing medium.
  • the first drive wheel then propels the cutlery along the track corresponding to the entry port used to load said cutlery, in the space between the upper and lower halves of the conveyor track cassette.
  • the items of cutlery are alternately in contact with the upper and lower drive wheels, and the upper and lower brushes.
  • the combination of the presence of the polishing medium and the pressure exerted by the soft fibers mounted on the surface of the rotating brushes imparts a durable shine onto the surface of the cutlery.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

L'invention concerne un appareil de polissage automatique d'ustensiles de cuisine comprenant: i) une ou plusieurs pistes de convoyage destinées à transporter les ustensiles d'un ou plusieurs orifices d'entrée, à travers lesquels les ustensiles sont chargés sur les pistes, à un point de collecte, à partir duquel les ustensiles sont récupérés dans un état sec, poli, chaque piste de convoyage comprenant plusieurs roues d'entraînement permettant de déplacer les ustensiles le long des pistes en coopération avec des moyens de mise en rotation de ces roues, et plusieurs brosses rotatives en coopération avec des moyens de mise en rotation de ces brosses, de telle façon que les brosses rotatives sèchent et polissent les ustensiles, et ii) des moyens de pulvérisation de milieu de polissage sur les ustensiles.
PCT/IL2002/000611 2001-07-23 2002-07-23 Appareil de polissage de coutellerie Ceased WO2003009965A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002313582A AU2002313582A1 (en) 2001-07-23 2002-07-23 Cutlery polishing apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL14449501A IL144495A0 (en) 2001-07-23 2001-07-23 Cutlery polishing apparatus
IL144495 2001-07-23

Publications (2)

Publication Number Publication Date
WO2003009965A2 true WO2003009965A2 (fr) 2003-02-06
WO2003009965A3 WO2003009965A3 (fr) 2004-03-18

Family

ID=11075632

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2002/000611 Ceased WO2003009965A2 (fr) 2001-07-23 2002-07-23 Appareil de polissage de coutellerie

Country Status (3)

Country Link
AU (1) AU2002313582A1 (fr)
IL (1) IL144495A0 (fr)
WO (1) WO2003009965A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018129579A1 (fr) * 2017-01-10 2018-07-19 MT Innovations Pty Ltd Dispositif de séchage et de lustrage d'articles tels que des verres et des couverts
CN112548836A (zh) * 2020-12-02 2021-03-26 广东利鸿基不锈钢实业有限公司 不锈钢餐具自动抛光机
US11089940B2 (en) 2017-01-10 2021-08-17 MT Innovations Pty Ltd Device for drying and polishing items such as glasses and cutlery

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US428321A (en) * 1890-05-20 Cutlery polisher and sharpener
US964192A (en) * 1909-09-16 1910-07-12 William C Vanneman Tin-plate polishing and cleaning machine.
FR696553A (fr) * 1929-06-04 1931-01-05 Appareil pour le nettoyage des couverts

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018129579A1 (fr) * 2017-01-10 2018-07-19 MT Innovations Pty Ltd Dispositif de séchage et de lustrage d'articles tels que des verres et des couverts
US11089940B2 (en) 2017-01-10 2021-08-17 MT Innovations Pty Ltd Device for drying and polishing items such as glasses and cutlery
US11503979B2 (en) 2017-01-10 2022-11-22 MT Innovations Pty Ltd Device for drying and polishing items such as glasses and cutlery
AU2017393107B2 (en) * 2017-01-10 2023-12-21 S.C.P MT Innovation Device for drying and polishing items such as glasses and cutlery
CN112548836A (zh) * 2020-12-02 2021-03-26 广东利鸿基不锈钢实业有限公司 不锈钢餐具自动抛光机

Also Published As

Publication number Publication date
IL144495A0 (en) 2002-05-23
AU2002313582A1 (en) 2003-02-17
WO2003009965A3 (fr) 2004-03-18

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