EP1163960A1 - Waschvorrichtung für kleine Teile - Google Patents

Waschvorrichtung für kleine Teile Download PDF

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Publication number
EP1163960A1
EP1163960A1 EP00201930A EP00201930A EP1163960A1 EP 1163960 A1 EP1163960 A1 EP 1163960A1 EP 00201930 A EP00201930 A EP 00201930A EP 00201930 A EP00201930 A EP 00201930A EP 1163960 A1 EP1163960 A1 EP 1163960A1
Authority
EP
European Patent Office
Prior art keywords
parts
plate
tray
washing
liquid
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
EP00201930A
Other languages
English (en)
French (fr)
Other versions
EP1163960B1 (de
Inventor
Dominique Schild Menzel
Cédric Menzel
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to EP20000201930 priority Critical patent/EP1163960B1/de
Publication of EP1163960A1 publication Critical patent/EP1163960A1/de
Application granted granted Critical
Publication of EP1163960B1 publication Critical patent/EP1163960B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
    • B08B11/02—Devices for holding articles during cleaning
    • 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
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
    • G04D3/08—Machines or apparatus for cleaning
    • G04D3/083—Machines or apparatus for cleaning whereby the components to be cleaned are placed in a container
    • G04D3/086—Machines or apparatus for cleaning whereby the components to be cleaned are placed in a container whereby the container rotates in a cleaning fluid

Definitions

  • the invention relates to a device for washing small parts, in particular timepieces, these parts having essentially two faces substantially parallel located at a relatively short distance from each other, this distance defining the side of the part, said device being intended to be inserted in a container filled with washing or rinsing liquid and it includes at least a tray immersed in this liquid to support the parts to be washed, this tray being driven at least in a rotational movement around an axis passing through it.
  • a trellis forms a barrier for a flow of liquid, which tends to limit the passage of washing liquid between the outside and inside of the basket once the latter submerged.
  • a structure in plastic formed by several radial plastic walls defining housings individual for these plates or bridges which are held by these radial walls in a non-fixed, substantially vertical and radial position.
  • the walls have only a few circular holes of relatively small diameter.
  • washing liquid or rinsing tends to stagnate in the housings and the radial walls limit strongly the flow of liquid which can arrive on the large faces of the parts when the basket is rotated.
  • the pieces are not or are few subjected to a flow of liquid during the rotational movement, which has for consequence of at least partially neutralizing the effect of the basket rotation.
  • the Applicant has observed that a flow of liquid generated by a movement of rotation of a support for parts to be washed greatly increases the effect of washing if the flow of liquid reaches the parts directly.
  • FIG. 1 is a partial cut of said device.
  • the device consists of a plurality of trays 100, 101 stacked on top of each other in an openwork cage by which the plates can be rotated.
  • the trays bathe in a washing liquid and each support a certain amount of parts including two parts 103 and 106 are shown in the figure.
  • Exhibit 103 rests horizontally in a housing consisting of a sort of funnel 104 followed by a hole 105, made in the tray 100.
  • a second plate 101 has been provided located above the plate 100, this second plate being arranged to maintain in places the pieces 103 arranged on the first plate, said second plate bringing to turn other parts 106 held in place by a third plate (not shown), etc.
  • Figure 1 also shows that parts 103 and 106 are placed one on the other as well as the holes 105 and 107 whose diameters are sufficiently large to allow washing liquid to flow vertically.
  • the washing process and the device according to the invention are distinguished other methods and devices known in that the parts are arranged on a tray so that their large faces stand perpendicular to said platform being oriented radially with respect to the axis passing through it and around from which this plate is capable of rotating, without said parts being held in this position by vertical walls extending from the tray over most of the distance from this plateau to a neighboring plateau or a top cover.
  • the present invention gives very good results, in particular for balance springs mounted in their entirety, that is to say with the two plates and the ellipse.
  • FIG 2 is a schematic perspective view of the device according the invention, intended for washing parts 1 of small volume, in particular parts of watchmaking.
  • These parts 1 are essentially characterized by two faces 2 and 3 substantially parallel located at a relatively small distance (a) from each other as best shown in Figure 6, the distance (a) defining what will be called below the flank 4 of part 1.
  • this part can be a pendulum, with or without its hairspring, a cog composed of a wheel with its pinion, a reference, a plate provided with stones, a bridge with its stone, whether it be a balance bridge or an anchor bridge or any other part having a main plane extended relative to the thickness separating the two faces forming this main plane.
  • Figure 2 shows again a device comprising a container 5 filled with washing liquid 6 and at least one tray 7 immersed in this liquid to support the parts to be washed 1.
  • the plate 7 is driven at least in a rotational movement, materialized by arrow A, by means motor not shown.
  • the device of FIG. 2 comprises a plurality of trays, i.e. the trays 7, 9, 10 and 11.
  • the trays are separated by a distance (b) greater than a space for which the washing liquid 6 can stagnate there by capillarity. So unlike what has been explained about the apparatus of the prior art ( Figure 1), there is no risk here of seeing liquid droplets remaining on the device after spinning. Of more, the washing or rinsing liquid can circulate freely on the trays to reach the pieces.
  • Figure 2 also shows that the upper plate 11 is capped by a cover 12 separated from the plate 11 by the same distance (b).
  • the distance (b) is defined here by a minimum below which it must not be lowered. In reality this distance (b) is generally greater than this minimum since in in most cases most of the parts are located between two shelves.
  • FIG. 2 also shows that, in the device taken as an example, the plates are kept at a distance from each other only by a limited number of spacers arranged so as to leave essentially free the space separating two plates neighbors in the region where the parts to be washed are arranged. Only the spacers 13, 14 and 15 separating the last plate 11 from the cover 12 have been referenced here. These spacers also serve as relative positioning means for two trays neighbors.
  • FIG. 2 finally shows that the shaft 8 is a rod passing through the cover 12 and trays.
  • This rod has at its first end a conical head 16 which comes to rest on the cover 12 and at its second end (this is not shown, but easily understandable), a thread screwed into a thread practiced in the lower plate 7.
  • an assembly by means of the shaft 8 is not essential and that the trays can be placed in a cage openwork which is coupled to the motor means of the washing device.
  • this basket does not have a trellis arranged at the periphery.
  • FIG. 2 shows that the balance spring 1 is arranged in a housing 17 made in the plate 7.
  • This housing comprises means to immobilize the part 1 not only to hold it in the required position but still to keep it in this position when the tray is driven in rotation. It will indeed be understood that, due to this rotation, the part must resist the flow of liquid which is exerted on its perpendicular faces to this flow. It will be noted here that to ensure good washing efficiency, we arrange the housing so that at least part (s) of room 1 requiring a particularly effective washing emerges (s) from the tray on which it rests.
  • FIG. 5 is a perspective view of part of the plate 7 shown in FIG. 2.
  • the housing 17 consists of a circular hole 18 passing through the plate 7 and in a channel 19 diametrically crossing the hole 18 according to a radial direction relative to the axis of rotation of the device. Channel 19 is therefore oriented towards the shaft 8 passing through the plate 7 through a hole 30.
  • FIG. 5 shows that the housing 17 has two edges 20 and 21 formed at the places where the bottom 22 of the channel 19 opens into hole 18. As can be seen in FIG.
  • each part rests by its side 4 on the edges 20 and 21 which have just been defined.
  • This provision therefore makes it possible to satisfy the conditions required by the invention, namely that the pieces are erected at least substantially perpendicular to the while being oriented radially towards the shaft passing through it.
  • This provision also makes it possible to limit as much as possible the contact surfaces between the part and the tray. Here this contact surface is reduced to the two edges 20 and 21 in contact with side 4 of part 1.
  • Figure 6 is a top view of a room 1 introduced into its housing formed by the hole 18 and the channel 19, we see that gave the channel 19 a width (e) slightly greater than the width (a) of the sidewall 4 of part 1. This procedure allows the washing liquid to reach also the parts of the room that would otherwise be closed by the walls of the laughs and therefore not affected by the cleaning flow and allow an installation easy to wash rooms.
  • the parts to be washed are held vertically between two shelves. Of course, it's about keeping them there when the trays are moving and therefore preventing them from coming out of their respective accommodation.
  • the part 1 enters the hole 18 beyond the bottom (22) of the channel 19, the depth (P) of this channel and the distance (D) of penetration beyond the bottom of this channel being substantially greater than the distance (d) which separates the top of the piece 1 from the tray 9 located above. Thanks to that layout, the part will never manage to come out of its housing, nor to roll along of the channel, nor to turn in the hole 18.
  • Figures 3 and 4 show in plan two identical plates equipping the washing device, the plate 9 of FIG. 3 being above the plate 7 of FIG. 4.
  • the plates of FIGS. 3 and 4 are connected by four spacers 31 to 34.
  • These figures highlight the circular arrangement of the housings 17. We see that these dwellings and therefore the parts which find place there are arranged circularly on each plate in at least one circle (C) having the axis of rotation for center. In the example chosen, the pieces are arranged in five circles concentric which allow to place 68 pieces per tray. If the device has four trays as shown in Figure 2, we can wash 272 pieces in same time, while 5 trays can support 340 pieces.
  • the plates 7 and 9 have the same number of holes 18 also arranged.
  • the holes located on the same radius are crossed radially by a single channel 19. Only two channels 19 have been shown in Figures 3 and 4 so as not to weigh down the drawing.
  • the tray 9 is located above the tray 7.
  • the plate 9 is angularly offset - in this case by an angle of 11.25 ° - by relative to the plate 7 so that the right projection of the top of the pieces supported by this plate 7 falls on zones free of holes in the plate 9. In the present example, this condition is met because the angular offset between two adjacent holes on the same circle is at least 22.5 °, twice the angular offset between two neighboring shelves.
  • the apparatus for the invention makes it possible to wash, rinse, spin and then dry small parts with great care and this for a large number of parts simultaneously.
  • This is primarily due to the vertical arrangement of the parts on the shelves and their radial orientation, as well as the fact that the essential parts to be washed emerge from the tray on which they rest. So the flow of washing liquid will reach transversely the large faces of these parts when the plates are driven in rotation. The same will apply to the rinse aid.
  • no droplet of liquid will remain, the trays being distant from each other so as not to retain this liquid by capillarity.
  • the holes provided in the plates at the locations of the parts allow a flow of liquid through these holes, especially during movement along the direction of the axis of rotation.
  • balance springs see figures 2, 6 and 7
  • plates and bridges can also be washed in the same appliance.
  • Figure 2 does not show it, advantageously we will drill the cover 12 of holes distributed similarly to those of the trays 7 to 11 in omitting the gutters. It will be understood that these holes, angularly offset by relative to the holes of the plate 11 to ensure the maintenance in position of the parts which it supports, will allow a better circulation of the washing or rinsing liquid in particular in a direction parallel to the axis of rotation.
  • the dwellings and their distribution can be different in other embodiments.
  • the housings are made by simple milling radials of width somewhat greater than the distance separating the two faces external parallels of the parts intended to be introduced into these milling.
  • the channels are kept but the holes have a non-circular profile, for example rectangular with a width greater than or equal to that of the channels.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Cleaning By Liquid Or Steam (AREA)
EP20000201930 2000-05-31 2000-05-31 Waschvorrichtung für kleine Teile Expired - Lifetime EP1163960B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20000201930 EP1163960B1 (de) 2000-05-31 2000-05-31 Waschvorrichtung für kleine Teile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20000201930 EP1163960B1 (de) 2000-05-31 2000-05-31 Waschvorrichtung für kleine Teile

Publications (2)

Publication Number Publication Date
EP1163960A1 true EP1163960A1 (de) 2001-12-19
EP1163960B1 EP1163960B1 (de) 2002-12-11

Family

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Family Applications (1)

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EP20000201930 Expired - Lifetime EP1163960B1 (de) 2000-05-31 2000-05-31 Waschvorrichtung für kleine Teile

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3428742A1 (de) * 2017-07-11 2019-01-16 Montres Breguet S.A. Waschmaschine und -korb für uhrwerkskomponenten oder uhren- und schmuckgegenstände

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH720235A2 (fr) * 2022-11-16 2024-05-31 La Pierrette S A Usinage et lavage d'un composant tel qu'une pierre d'horlogerie et ses moyens de mise en œuvre

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH315939A (fr) * 1954-01-29 1956-09-15 Widmer Steiner Jean Corbeille pour machine à laver les balanciers de mouvements d'horlogerie
CH513457A (fr) * 1967-02-27 1971-06-15 Pons Amedee Machine à nettoyer et à essorer des mouvements d'horlogerie assemblés
DD120952A1 (de) * 1975-07-02 1976-07-05
DE2611330A1 (de) * 1976-03-17 1977-09-29 Siemens Ag Vorrichtung zur halterung von kreisfoermigen substratscheiben

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH315939A (fr) * 1954-01-29 1956-09-15 Widmer Steiner Jean Corbeille pour machine à laver les balanciers de mouvements d'horlogerie
CH513457A (fr) * 1967-02-27 1971-06-15 Pons Amedee Machine à nettoyer et à essorer des mouvements d'horlogerie assemblés
DD120952A1 (de) * 1975-07-02 1976-07-05
DE2611330A1 (de) * 1976-03-17 1977-09-29 Siemens Ag Vorrichtung zur halterung von kreisfoermigen substratscheiben

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3428742A1 (de) * 2017-07-11 2019-01-16 Montres Breguet S.A. Waschmaschine und -korb für uhrwerkskomponenten oder uhren- und schmuckgegenstände

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Publication number Publication date
EP1163960B1 (de) 2002-12-11

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